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descriptionFull Analysis & Blundercheck in Fritz 15 EmptyFull Analysis & Blundercheck in Fritz 15

more_horiz
Here is few example games generated.
[pgn][Event "Chess Olympiad"]
[Site "Istanbul TUR"]
[Date "2012.09.06"]
[Round "9.1"]
[White "Hikaru Nakamura"]
[Black "Vladimir Kramnik"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2778"]
[BlackElo "2797"]
[Annotator "Stockfish 020316 64 BMI2 (60m)"]
[PlyCount "159"]
[EventDate "2012.08.28"]

{D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5)} 1. Nf3
Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 d5 6. cxd5 cxd5 7. Nc3 Ne4 8. Qb3 Nxc3
9. bxc3 O-O 10. Nd2 e6 11. e4 Nc6 12. O-O Na5 13. Qd1 Qc7 14. Qf3 b6 15. Ba3
Rd8 {last book move} 16. e5 {White gains space} Ba6 17. Rfe1 Rac8 18. Bb4 Bh6 {
Black threatens to win material: Bh6xd2} 19. Qd1 Nc6 20. Ba3 Na5 21. Bb4 Nc6
22. Ba3 Na5 {Twofold repetition} (22... Qd7 23. h4 $11) 23. Nb1 (23. Bb4 Qd7
$11) 23... b5 (23... Qd7 24. Bb4 $11) 24. h4 (24. Bb4 Nc4 $11) 24... Nc6 (24...
Nc4 25. Bc5 $11) 25. Bc5 Qb8 (25... Bg7 26. Bd6 Rxd6 27. exd6 Qxd6 28. Bf1 $11)
26. Qe2 $14 Na5 27. Nd2 Rxc5 28. dxc5 {White wins the exchange} Qc8 {Black
threatens to win material: Qc8xc5} (28... Qc7 29. Nb3 $14) 29. Nf3 (29. Nb3 Nc4
$16) 29... Qxc5 $14 30. Nh2 (30. a4 Nc4 $11) 30... Bg7 (30... Qxc3 31. Ng4 Bd2
32. Red1 $11) 31. h5 (31. Qd2 $142 $14) 31... g5 $4 {throwing away the
advantage} (31... Qxc3 $142 {would bring relief} 32. Rac1 Qd4 $11) 32. h6 $1
$18 {and the rest is history} Bxh6 33. Qh5 Bg7 34. Qxg5 Nc6 {Black prepares d4}
35. Ng4 Qe7 36. Qxe7 Nxe7 37. a4 d4 (37... bxa4 38. Rxa4 Bb5 39. Rxa7 $18) 38.
axb5 (38. Nf6+ $5 {keeps an even firmer grip} Bxf6 39. exf6 Nf5 40. cxd4 Nxd4
41. axb5 Bxb5 42. Rxa7 Bc6 43. Bxc6 Nxc6 $18) 38... Bxb5 39. Rxa7 d3 40. Rxe7
d2 41. Rd1 Be2 42. Ne3 Bxe5 43. c4 h5 44. Ra7 h4 45. Ra2 (45. gxh4 $142 $5 Rd4
46. c5 $18) 45... Bxd1 $16 46. Nxd1 hxg3 47. fxg3 Bxg3 48. c5 f5 49. Ra7 e5 $2
(49... Kf8 $142 $5 $14 {is the best option Black has}) 50. c6 $18 e4 51. Bh3 (
51. Bf1 Rc8 52. Bc4+ Kh8 53. Bb5 $18) 51... Rc8 (51... Rb8 $5 52. Kf1 Rb1 $16)
52. Ra6 (52. Bxf5 $6 Rxc6 53. Bxe4 Rc5 $14) 52... Rf8 $2 (52... Re8 $5 53. Kf1
Bd6 $18) 53. Ra5 $18 f4 $4 {the final mistake, not that it matters anymore} (
53... Bc7 54. Rxf5 Rb8 $18) 54. Kf1 (54. Rg5+ $142 {and the result of the game
is clear: White will win} Kh7 55. Rxg3 $18) 54... e3 55. Ke2 Rf6 (55... f3+ {
cannot undo what has already been done} 56. Kxe3 Re8+ 57. Kxf3 $18) 56. Ra8+
Kg7 (56... Rf8 57. Ra7 f3+ 58. Kxe3 f2 $18) 57. Ra7+ Rf7 58. Rb7 Kf6 59. Kf3
Re7 60. Rxe7 Kxe7 61. c7 e2 62. c8=N+ Kf6 63. Kxe2 Ke5 64. Nb6 Kd4 65. Bg2 Be1
66. Nd5 Ke5 67. Nb4 Bh4 68. Nd3+ Kf5 69. Kxd2 Kg4 70. Ke2 Bf6 71. N1f2+ Kg3 72.
Bf3 Bd8 73. Ne4+ Kh4 74. Ne5 (74. Kf1 Kh3 75. Ndf2+ Kh4 76. Kg2 Bf6 77. Nd3 Bd4
78. Nb4 Ba1 79. Nc6 Bf6 80. Kh2 Bd4 81. Ne7 Bg1+ 82. Kg2 Bf2 83. Nf5#) 74...
Bc7 75. Ng6+ Kh3 76. Ne7 Bd8 77. Nf5 Bb6 (77... Kh2 {does not win a prize} 78.
Kf1 Bh4 79. Nh6 Bg5 80. Ng4+ Kh3 81. Nd6 Kg3 82. Ne5 Kh2 83. Nf5 Bf6 84. Ng4+
Kh3 85. Nf2+ Kh2 86. Bg2 f3 87. Ng4#) 78. Kf1 (78. Nf6 Kh2 79. Kf1 Bd4 80. Ng4+
Kh3 81. Ngh6 Ba1 82. Bg2+ Kh2 83. Ng4#) 78... Kh2 79. Bg4 (79. Nf6 Bd4 80. Ng4+
Kh3 81. Ngh6 Ba1 82. Bg2+ Kh2 83. Ng4#) 79... f3 80. Nh4 1-0

[/pgn]

[pgn][Event "Tata Steel"]
[Site "Wijk aan Zee NED"]
[Date "2011.01.30"]
[Round "13"]
[White "Ian Nepomniachtchi"]
[Black "Viswanathan Anand"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2720"]
[BlackElo "2804"]
[Annotator "Stockfish 020316 64 BMI2 (45m)"]
[PlyCount "76"]
[EventDate "2011.01.15"]

{B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} {
Engine/Game Correlation: White =  55%, Black =  92%.} 1. e4 c5 2. Nf3 d6 3. d4
cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 O-O 9. O-O Qc7 10. Nd5
Nxd5 11. Bxd5 Nd7 {0.16/0} 12. c4 {0.13/0} (12. c4 Nf6 13. Rc1 {0.16/28 Komodo
9.3/Clare}) (12. Rc1 Nf6 13. c4 {0.16/26 Komodo 9.1/Gilbrin}) (12. c4 Nf6 13.
Rc1 {0.20/25 Komodo 9.02/Pacificrabbit}) 12... Nf6 {0.00/0} (12... Nf6 {
0.13/26 Komodo 9.02/Clare}) (12... Nf6 13. Rc1 Bg4 {0.16/25 Houdini 4 x64/Clare
}) (12... Nf6 13. Rc1 {0.20/29 Stockfish 060815/Pacificrabbit}) 13. Qb3 {
-0.04/0 last book move} (13. Qb3 Bg4 14. Rfc1 {0.00/24 Deep Fritz 14 x64/
steffan}) (13. Rc1 Bg4 {0.12/29 Stockfish 6/Tennistoody}) (13. Rc1 Bg4 14. h3 {
0.13/25 Houdini 4 x64}) 13... Nxd5 {0.07/0} (13... Bg4 14. Rfc1 Bxf3 {-0.04/25
Deep Fritz 14 x64/steffan}) (13... Nxd5 14. cxd5 b5 {0.06/31 Stockfish 121015/
Thewi}) (13... Bg4 14. Rac1 Bxf3 {0.07/26 Stockfish 6}) 14. cxd5 {0.09/0} (14.
cxd5 b5 15. Rac1 {0.07/23 Komodo 6/Pacificrabbit}) (14. cxd5 b5 15. Rfc1 {
0.13/19 Deep Rybka 4 w32/Clare}) (14. cxd5 Bg4 15. Rfc1 {0.31/24 Houdini 3 x64}
) 14... b5 {0.12/0} (14... b5 15. Rac1 Qb8 {0.09/25 Komodo 9.02/Clare}) (14...
b5 15. Rac1 Qd8 {0.01/31}) (14... b5 15. Rac1 Qb8 {0.11/18 Deep Rybka 4 x64/
jernjoffen}) 15. Rfc1 {0.00/0} (15. Rfc1 Qb8 16. a4 {0.12/25 Komodo 9.02/Clare}
) (15. Rfc1 Qb8 16. Rc6 {0.09/19 Deep Rybka 4 x64/Clare}) (15. Rfc1 Qb8 16. Rc2
{0.00/32 Stockfish 180314  SE/bking_US}) 15... Qb8 {0.00/0} (15... Qd8 16. Rc3
Bd7 {0.00/21 Deep Fritz 14 x64}) (15... Qb8 16. Nd2 f5 {0.36/19 Houdini 3 x64})
(15... Qb8 16. Rc6 Bd8 {0.08/25 Komodo 7/Pacificrabbit}) 16. Qc3 {0.00/0} (16.
a4 Bd7 {0.00/31}) (16. Rc2 Bd7 17. Rac1 {0.06/30 Stockfish 6}) (16. Rc3 Bg4 17.
Bd2 {0.36/14 Fritz 11  SE}) 16... f5 {0.00/0 The thematic attack} (16... Bd7
17. Qc7 Qe8 {0.00/29 Komodo 9.2/TwoKnights}) (16... f5 17. Qb3 Bd8 {0.00/33
Stockfish 231014  SE/Thewi}) (16... f5 17. exf5 Bxf5 {0.00/24 Komodo 7/
Pacificrabbit}) 17. Qc7 {0.00/0 White threatens to win material: Qc7xe7} (17.
Qb3 Bd8 18. Bg5 {0.00/35 Stockfish 6}) (17. Qb3 Rf7 18. exf5 {-0.03/30
Stockfish 5  SE/Kaos_00}) (17. Qc7 Rf7 18. exf5 {0.00/36 Stockfish 261114/
bking_US}) 17... Rf7 {0.00/0 Black has a cramped position} (17... Rf7 18. exf5
Bxf5 {0.00/29 Komodo 9.02}) (17... Re8 18. Nd2 fxe4 {0.00/23 Komodo 7/
Pacificrabbit}) (17... Rf7 18. exf5 Bxf5 {-0.03/19 Stockfish 6}) 18. Nd2 {
-0.32/0} (18. exf5 Bb7 19. Qd7 {0.00/31 Stockfish 6/Tennistoody}) (18. exf5
Bxf5 19. Nd2 {0.00/20 Rybka 3/Pacificrabbit}) (18. exf5 Qxc7 19. Rxc7 {-0.01/
21 Houdini 4 x64}) 18... Qxc7 {-0.34/0} (18... Qxc7 19. Rxc7 Bd8 {-0.32/36
Stockfish 6/ErnstH}) (18... Qxc7 19. Rxc7 Bd8 {-0.32/24 Deep Rybka 4 x64/Clare}
) (18... Qxc7 19. Rxc7 Bd8 {-0.50/24 Deep Fritz 14 x64}) 19. Rxc7 {-0.30/0
Black has a cramped position. Black's piece can't move: c8} (19. Rxc7 Bd8 20.
Rxf7 {-0.34/38}) (19. Rxc7 Bd8 20. Rc6 {-0.39/32 Stockfish 5  SE}) (19. Rxc7
Bd8 20. Rc6 {-0.41/18 Stockfish 6}) 19... Bd8 {-0.25/0} (19... Bd8 20. Rxf7
Kxf7 {-0.30/26 Komodo 8/rich1chess}) (19... Bd8 20. Rxf7 Kxf7 {-0.22/28 Komodo
7/Pacificrabbit}) (19... Bd8 20. Rxf7 Kxf7 {-0.26/27 Deep Fritz 13/
Pacificrabbit}) 20. Rc6 {-0.31/0} (20. Rxf7 Kxf7 21. f3 {-0.25/35 Stockfish 6/
Tennistoody}) (20. Rxf7 Kxf7 21. f3 {-0.12/22}) (20. Rxf7 Kxf7 21. f3 {-0.28/
28 Houdini 4 x64}) (20. Rxf7 Kxf7 21. g3 fxe4 22. Nxe4 Be7 $11) 20... Bd7 $15 {
-0.55/0} (20... Bd7 21. Rxd6 Bc7 {-0.31/25 Komodo 8/rich1chess}) (20... Bd7 21.
Rxd6 Bc7 {-0.38/25 Houdini 4 x64}) (20... Bd7 21. Rxd6 Bc7 {-0.53/20 Stockfish
6}) 21. Rxd6 {-0.50/0} (21. Rxd6 Bc7 22. Bc5 {-0.55/24 Deep Fritz 14 x64}) (21.
Rxd6 Bc7 22. Rxd7 {-0.79/28 Deep Fritz 13}) (21. Rxd6 Bc7 22. Bc5 {-0.35/19})
21... Bc7 {-0.38/0} (21... Bc7 22. Bc5 Bxd6 {-0.50/24 Deep Fritz 14 x64}) (
21... Bc7 22. Rxd7 Rxd7 {-0.69/23 Fritz 11  SE}) (21... Bc7 22. Bc5 Bxd6 {
-0.27/25 Komodo 7/Pacificrabbit}) 22. Rxd7 {-0.84/0} (22. Bc5 Bxd6 23. Bxd6 {
-0.38/25 Komodo 8/rookalinc}) (22. Bc5 Bxd6 23. Bxd6 {-0.57/26 Fritz 13}) (22.
Bc5 Bxd6 23. Bxd6 {-0.39/24 Houdini 4 x64}) (22. Bc5 $5 $15) 22... Rxd7 $17 {
-0.79/0} (22... Rxd7 23. a4 Rb8 {-0.84/27 Komodo 9.02}) (22... Rxd7 23. f3 f4 {
-0.82/36}) (22... Rxd7 23. f3 f4 {-0.80/33 Stockfish 6}) 23. f3 {-0.78/0} (23.
f3 f4 24. Bf2 {-0.79/37 Stockfish 301114/bking_US}) (23. f3 Rc8 24. Rc1 {
-0.67/20 Stockfish 6}) (23. a4 bxa4 24. f3 {-0.68/24 Komodo 7/Pacificrabbit})
23... f4 {-0.78/0} (23... f4 24. Bf2 Bd6 {-0.78/34 Stockfish 6/jernjoffen}) (
23... f4 24. Bc5 Rc8 {-0.77/25 Komodo 7/Pacificrabbit}) (23... f4 24. Bc5 Rc8 {
-0.79/27 Deep Fritz 13/Pacificrabbit}) 24. Bc5 {-0.74/0} (24. Bf2 Bd6 25. Nb3 {
-0.78/24 Komodo 8}) (24. Bf2 Bd6 25. Rc1 {-0.76/36}) (24. Bc5 Rc8 25. Nb3 {
-0.74/25 Komodo 7/Pacificrabbit}) 24... Bd6 {-0.46/0} (24... Rc8 25. Nb3 Bd8 {
-0.74/25 Deep Fritz 14 x64/Koppie-Koppie}) (24... Rc8 25. b4 a5 {-0.66/26
Houdini 3 x64}) (24... Rc8 25. Nb3 Bb8 {-0.64/23 Deep Fritz 14}) (24... Rc8 $5
25. Nb3 Bd8 $17) 25. Bxd6 $15 {-0.60/0} (25. Bxd6 Rxd6 26. Nb3 {-0.46/23 Deep
Rybka 4 x64/Clare}) (25. Bxd6 Rxd6 26. Nb3 {-0.38/27 Komodo 6/Clare}) (25. Bxd6
Rxd6 26. Nb3 {-0.37/26 Komodo 7/Pacificrabbit}) 25... Rxd6 {-0.55/0} (25...
Rxd6 26. Nb3 Rc8 {-0.60/22 Deep Rybka 4 x64/Clare}) (25... Rxd6 26. Nb3 Rc8 {
-0.34/25 Komodo 7/Pacificrabbit}) (25... Rxd6 26. Nb3 Rc8 {-0.34/29 Deep Fritz
13/Pacificrabbit}) 26. Nb3 {-0.42/0} (26. Nb3 Rc8 27. Na5 {-0.55/29 Komodo 9.01
}) (26. Nb3 Rc8 27. Rf1 {-0.28/34}) (26. Nb3 Rc8 27. Na5 {-0.47/19 Fritz 11  SE
}) 26... Rc8 {-0.30/0} (26... Rc8 27. Na5 Rc2 {-0.42/24 Houdini 3 x64}) (26...
Rc8 27. Na5 Rc2 {-0.46/25 Deep Fritz 14}) (26... Rc8 27. Rf1 Kf7 {-0.35/35
Stockfish 5/Hypekiller5000}) 27. Rf1 {-0.73/0} (27. Na5 Kf8 28. Nc6 {-0.30/26
Komodo 8/rich1chess}) (27. Na5 Rc2 28. Nc6 {-0.33/24 Komodo 7/Pacificrabbit}) (
27. Na5 Rc2 28. Nc6 {-0.27/26 Houdini 4 x64}) 27... Kf7 {-0.65/0} (27... Rc2
28. Rf2 Rxf2 {-0.73/28 Deep Fritz 13}) (27... Kf7 28. Na5 g5 {-0.41/33
Stockfish 6/jernjoffen}) (27... Kf8 28. Nc1 Kf7 {-0.68/24 Komodo 8}) 28. Na5 {
-0.74/0} (28. Na5 Rc2 29. Nc6 {-0.65/28 Komodo 8/TwoKnights}) (28. Na5 Rc2 29.
Nc6 {-0.60/24 Deep Fritz 14 x64}) (28. Na5 Rc2 29. Rf2 {-0.58/29 Komodo 7/
Pacificrabbit}) 28... Rc2 {-0.32/0 Black threatens to win material: Rc2xb2} (
28... Rc2 29. Nc6 Rxb2 {-0.74/20 Fritz 11  SE}) (28... Rc2 29. Nc6 Rxb2 {
-0.69/26 Houdini 4 x64/derkranvonhuenge}) (28... Rc2 29. Rf2 Rxf2 {-0.59/28
Komodo 7/Pacificrabbit}) 29. Rf2 {-0.36/0} (29. Rf2 Rc1+ 30. Rf1 {-0.32/32
Stockfish 5}) (29. Rf2 Rc1+ 30. Rf1 {-0.75/30 Deep Fritz 13/Pacificrabbit}) (
29. Rf2 Rxf2 30. Kxf2 {-0.54/25 Houdini 3 x64}) 29... Rc1+ {-0.33/0} (29...
Rc1+ 30. Rf1 Rxf1+ {-0.36/29}) (29... Rxf2 30. Kxf2 g5 {-0.59/28 Komodo 7/
Pacificrabbit}) (29... Rc1+ 30. Rf1 Rxf1+ {-0.27/25 Houdini 3 w32}) 30. Rf1 {
-0.96/0} (30. Rf1 Rc2 31. Rf2 {-0.33/36 Stockfish 5  SE}) (30. Rf1 Rxf1+ {
-0.64/29 Komodo 8/derkranvonhuenge}) (30. Rf1 Rxf1+ 31. Kxf1 {-0.62/30 Komodo
7/Pacificrabbit}) 30... Rxf1+ {-0.62/0} (30... Rxf1+ 31. Kxf1 Kf6 {-0.96/26
Deep Rybka 4 x64/Clare}) (30... Rxf1+ 31. Kxf1 Kf6 {-0.55/30 Houdini 4 x64}) (
30... Rxf1+ 31. Kxf1 Kf6 {-0.60/28 Komodo 7/Pacificrabbit}) 31. Kxf1 {-0.53/0}
(31. Kxf1 Kf6 32. Nc6 {-0.62/29 Komodo 8}) (31. Kxf1 g5 32. Nc6 {-0.36/39
Stockfish 5  SE/Clare}) (31. Kxf1 g5 32. Nc6 {-0.60/29 Komodo 7/Pacificrabbit})
31... g5 {-0.54/0} (31... Rh6 32. Nc6 Kf6 {-0.53/28 Komodo 8}) (31... Rh6 32.
Nc6 {-0.57/26 Komodo 8}) (31... g5 32. Nc6 Kf6 {-0.29/21 Stockfish 6}) 32. Nc6
{-0.88/0 White threatens to win material: Nc6xe5. An ideal square for the
white knight.} (32. Nc6 Kf6 33. g4 {-0.54/32 Komodo 9.02/ErnstH}) (32. Nc6 Kf6
33. g3 {-0.55/28 Komodo 8/derkranvonhuenge}) (32. Nc6 Kf6 33. g4 {-0.59/28
Komodo 7/Pacificrabbit}) 32... Kf6 {-0.68/0} (32... Kf6 33. Ke2 Rd7 {-0.88/26
Fritz 13}) (32... Kf6 33. g4 fxg3 {-0.47/29 Komodo 7/Pacificrabbit}) (32... Kf6
33. g4 Rd7 {-0.35/28 Houdini 1.5 x64}) 33. b4 {-0.75/0} (33. b4 h5 34. h3 {
-0.68/29 Komodo 8}) (33. g4 Rd7 34. a3 {-0.93/27 Deep Rybka 4 x64/Clare}) (33.
g4 Rd7 34. Kg2 {-0.47/26 Komodo 7/Pacificrabbit}) 33... Rd7 {-0.86/0} (33...
Rd7 34. h3 h5 {-0.75/31 Komodo 8/TwoKnights}) (33... Rd7 34. h3 {-0.38/43
Stockfish 6}) (33... Rd7 34. Ke2 h5 {-0.80/29 Komodo 7/Pacificrabbit}) 34. h3 {
-0.96/0} (34. Ke2 Rg7 35. Kf2 {-0.86/28 Deep Fritz 13/jernjoffen}) (34. Kf2 h5
35. h3 {-0.77/29 Komodo 7/Pacificrabbit}) (34. Kf2 Rc7 35. g3 {-0.55/26 Komodo
6/Freeze1}) 34... h5 {-0.53/0} (34... Rg7 35. a3 Rd7 {-0.96/28 Fritz 13}) (
34... h5 35. Kf2 Rg7 {-0.58/24 Deep Fritz 14/derkranvonhuenge}) (34... h5 {
-0.66/30 Komodo 7/Pacificrabbit}) 35. Kf2 {-1.04/0} (35. Kf2 Rg7 36. g3 {
-0.53/24 Deep Fritz 14}) (35. Ke2 Rg7 36. Kf2 {-0.85/27 Komodo 7/Pacificrabbit}
) (35. Ke2 Rg7 36. Kf2 {-0.93/28 Deep Fritz 13}) 35... Rg7 {-0.52/0} (35... Rg7
36. g3 Rd7 {-1.04/28 Fritz 13}) (35... Rg7 36. g4 fxg3+ {-0.27/45}) (35... Rc7
36. Ke2 Rg7 {-1.10/29 Deep Fritz 13/Pacificrabbit}) 36. Kf1 {-1.25/0} (36. g4
fxg3+ 37. Kxg3 {-0.52/42 Stockfish 6}) (36. g3 Rc7 37. Kg2 {-0.56/29 Komodo 7/
Pacificrabbit}) (36. g3 g4 {-0.60/23 Deep Fritz 14}) (36. g4 fxg3+ 37. Kxg3 Rg8
$15) 36... g4 $17 {-0.82/0} (36... g4 37. h4 gxf3 {-1.25/31 Komodo 6/Clare}) (
36... g4 37. h4 gxf3 {-0.91/49 Stockfish 5}) (36... g4 37. h4 gxf3 {-1.10/29
Deep Fritz 13/Pacificrabbit}) 37. hxg4 $6 {-1.95/0} (37. h4 gxf3 38. gxf3 {
-0.82/25 Deep Fritz 14 x64/cxi}) (37. h4 Rg8 38. Kf2 {-0.89/31 Houdini 4 x64})
(37. h4 Rg6 38. Kf2 {-1.29/29}) (37. h4 Rh7 $17) 37... hxg4 $19 {-2.10/0} (
37... hxg4 38. a3 g3 {-1.95/24 Deep Fritz 14 x64}) (37... hxg4 38. Kf2 g3+ {
-1.78/55}) (37... hxg4 {-2.25/31 New Engine}) 38. Kf2 (38. Nb8 g3 39. Nc6 {
-2.10/39 Komodo 9.1/Freeze1}) (38. fxg4 Rxg4 {-2.05/28 Komodo 6/Clare}) (38.
Kf2 g3+ 39. Kg1 {-1.47/51 Stockfish 6}) 38... g3+ (38... g3+ 39. Kg1 Rh7 40.
Nb8 {-1.39/54 Stockfish 6/Tennistoody}) (38... g3+ 39. Kg1 Rb7 40. Nd8 {
-1.46/61 Stockfish 5  SE/Kaos_00}) (38... g3+ 39. Kg1 Rh7 40. a3 {-2.21/30
Fritz 13}) 1/2-1/2

[/pgn]

Blundercheck biggrin
[pgn][Event "Vienna"]
[Site "Vienna"]
[Date "1859.??.??"]
[Round "?"]
[White "Lenhof"]
[Black "Wilhelm Steinitz"]
[Result "0-1"]
[ECO "C23"]
[Annotator "Stockfish 020316 64 BMI2 (12m)"]
[PlyCount "90"]
[EventDate "1859.??.??"]

{C40: Latvian and Elephant Gambits} 1. e4 e5 2. Bc4 {0.10/31 last book move
last book move} f5 {0.70/30} (2... Nf6 $5 {0.12/29} 3. Nf3 {-0.42/31} ({
Stockfish 020316 64 BMI2:} 3. d3 {0.12/29}) 3... Nxe4 {-0.38/29} 4. Nxe5 {
-0.43/31} d5 $15 {-0.39/31}) ({Stockfish 020316 64 BMI2:} 2... Nf6 3. d3 c6 4.
Nf3 d5 5. Bb3 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Bg4 8. exd5 cxd5 9. O-O Nc6 10. Qe1
Qe7 11. Ba4 Nd7 12. c4 dxc4 13. d4 Bxf3 14. Nxf3 O-O 15. Bxc6 bxc6 16. Nxe5
Nxe5 17. dxe5 Rfe8 18. f4 f6 19. Rc1 fxe5 20. Rxc4 exf4 21. Qxe7 Rxe7 22. Rfxf4
Rd8 23. Rxc6 Re2 {0.10/31}) 3. d3 $14 {0.67/30} Nf6 {0.77/28} 4. Nf3 {0.68/30}
d5 {0.94/30} (4... Nc6 {0.77/30} 5. O-O {0.69/31} Bc5 {0.80/28} 6. Nc3 {0.65/29
} fxe4 {0.80/30} ({Stockfish 020316 64 BMI2:} 6... f4 7. d4 Bxd4 8. Nxd4 Nxd4
9. Bxf4 d6 10. Bg5 c6 11. f4 h5 12. f5 Bd7 13. Bd3 Qa5 14. Ne2 Nxe2+ 15. Qxe2
O-O-O 16. Rab1 h4 17. b4 Qc7 18. h3 Kb8 19. c4 d5 20. exd5 cxd5 21. cxd5 Be8
22. Rfe1 Rxd5 23. Bc4 {0.65/29}) 7. dxe4 $14 {0.75/29}) ({Stockfish 020316 64
BMI2:} 4... Nc6 5. O-O Bc5 6. Nc3 fxe4 7. dxe4 d6 8. Bg5 Bg4 9. h3 Bxf3 10.
Qxf3 Nd4 11. Qd3 c6 12. a3 b5 13. Ba2 a5 14. a4 b4 15. Ne2 Nxe2+ 16. Qxe2 Qe7
17. Bb3 h6 18. Bd2 Bd4 19. Rfb1 Rb8 20. c3 Bc5 21. Qf3 Qd7 22. Re1 bxc3 23.
Qxc3 {0.68/30}) 5. exd5 $16 {0.89/30} Bd6 {0.99/31} 6. O-O {0.96/29} O-O {
0.95/26} 7. Nc3 {0.85/30} a6 {1.00/29} 8. a4 {0.87/29} h6 {0.91/29} 9. d4 {
0.76/29} e4 {1.00/36} ({Stockfish 020316 64 BMI2:} 9... Nbd7 10. Nxe5 Nxe5 11.
dxe5 Bxe5 12. Qd3 f4 13. f3 Nh5 14. Ne2 Bf5 15. Qb3 Qd6 16. Bd2 Rab8 17. Rfc1
b5 18. axb5 axb5 19. Bd3 Bxd3 20. cxd3 Rfd8 21. Bc3 Bxc3 22. Qxc3 Qxd5 23. d4
Qc4 24. Qd2 Qf7 25. Rc6 Re8 26. Nc3 {0.76/29}) 10. Ne5 {0.92/32} Nbd7 {1.02/32}
11. Nxd7 {0.00/34} (11. f4 $5 $16 {0.79/29 11...Bxd7  0.00}) ({Stockfish
020316 64 BMI2:} 11. f4 exf3 12. Nxf3 Ne4 13. Bb3 b6 14. Be3 Ndf6 15. Ne5 Nxc3
16. bxc3 a5 17. Qd3 Ba6 18. c4 Nxd5 19. Rxf5 Rxf5 20. Qxf5 Bxe5 21. Qxe5 Nxe3
22. Qxe3 Kh8 23. Re1 Qd6 24. c5 bxc5 25. dxc5 Qd7 26. Qe4 Rf8 27. Bd5 Qf5 28.
Qxf5 Rxf5 29. Re8+ Kh7 30. Bg8+ Kg6 31. Re6+ Rf6 {1.02/32}) 11... Bxd7 {0.00/34
} 12. f3 {0.00/32 Secures g4} Qe8 {0.11/32} ({Stockfish 020316 64 BMI2:} 12...
exf3 13. Qxf3 Ng4 14. g3 g5 15. h3 Nf6 16. Bd3 Qe7 17. Bxf5 Ne4 18. Qxe4 Bxf5
19. Rxf5 Rxf5 20. Qxf5 Qe1+ 21. Qf1 Qxg3+ 22. Qg2 Qe1+ 23. Qf1 Qg3+ {0.00/32})
13. fxe4 {0.15/36} fxe4 {0.17/35 Black has a new passed pawn: e4.} 14. Bf4 {
0.13/36} Qg6 {0.22/32} 15. Bxd6 {0.12/36} cxd6 {0.15/33} 16. Qe2 {0.10/34} (16.
Qd2 {0.08/37} Ng4 {0.09/34} 17. Qe2 {0.18/34} Rac8 $11 {0.23/30}) ({Stockfish
020316 64 BMI2:} 16. Qd2 Ng4 17. Qe2 Rac8 18. b3 e3 19. Bd3 Bf5 20. Rxf5 Rxf5
21. h3 Rxc3 22. hxg4 Rf2 23. Qxe3 Rf6 24. Re1 Qxg4 25. Bh7+ Kxh7 26. Qxc3 Qf5
27. Qd2 Qxd5 28. Qd3+ Rg6 29. g3 Qh5 30. Re8 Qh3 31. Rh8+ Kxh8 32. Qxg6 d5 33.
Kf2 Qc8 34. Ke2 b5 35. axb5 axb5 36. Qd3 Qe6+ 37. Qe3 {0.15/33}) 16... Rae8 {
0.50/36} (16... Bg4 {0.18/32 17.Qe3  0.50} 17. Qe1 $11 {0.17/31}) ({Stockfish
020316 64 BMI2:} 16... Rac8 17. b3 Bg4 18. Qd2 Rce8 19. Rae1 Bf3 20. Qf2 Nh5
21. Kh1 e3 22. Qg1 Be4 23. Rxf8+ Kxf8 24. Qf1+ Kg8 25. Nxe4 Qxe4 26. Qf3 Qxf3
27. gxf3 Nf4 28. Kg1 Kf8 29. Bd3 Nxd3 30. cxd3 Rc8 31. Rxe3 Rc3 32. Re6 Rxb3
33. Rxd6 Rxd3 34. Rd8+ Ke7 35. Rb8 Rb3 36. Kf2 b5 37. axb5 Rxb5 38. Rg8 Kf6 39.
Ra8 a5 40. Ra6+ Ke7 41. Ke3 Rxd5 42. Kd3 Rh5 43. Kc4 Rxh2 44. Rxa5 {0.10/34})
17. Rf4 {-0.12/34 e4 draws heavy fire} (17. Qe3 {0.53/32 17...Bg4  -0.12} Ng4 {
0.80/34} ({Stockfish 020316 64 BMI2:} 17... b5 18. axb5 Rc8 19. Bb3 axb5 20.
Ne2 Nh5 21. Rxf8+ Rxf8 22. Rf1 Rxf1+ 23. Kxf1 Qf6+ 24. Kg1 Qh4 25. Nc3 Nf6 26.
Qd2 Bf5 27. Nd1 Bg6 28. Qf2 Qg5 29. Qe3 Qg4 30. Nc3 Be8 31. Qd2 Bh5 32. Qe1 Be8
33. Nd1 Qf4 34. Qe3 Qg4 35. c3 Bf7 36. Qf2 Qh5 37. Ne3 Ng4 38. Nxg4 Qxg4 39.
Qe3 Qf5 40. Qe2 {0.53/32}) 18. Qg3 {0.68/33} h5 $14 {0.59/30}) ({Stockfish
020316 64 BMI2:} 17. Qe3 b5 18. axb5 Rc8 19. Bb3 axb5 20. Ne2 Nh5 21. Rxf8+
Rxf8 22. Rf1 Rxf1+ 23. Kxf1 Qf6+ 24. Kg1 Qh4 25. Nc3 Nf6 26. Qd2 Bf5 27. Nd1
Bg6 28. Ne3 Ng4 29. h3 Nxe3 30. Qxe3 Qf6 31. c4 bxc4 32. Bxc4 Qf5 33. b4 Bf7
34. g4 Qc8 35. Qe2 Qe8 36. b5 e3 37. Qc2 Kf8 38. b6 e2 39. Qxe2 Qxe2 40. Bxe2
Bxd5 41. Kh2 {0.50/36}) 17... Re7 {0.43/30} (17... h5 {0.00/34 18.Qe3  0.43}
18. Qe3 {0.00/37} Ng4 {0.00/39} 19. Rxf8+ {0.00/39} Rxf8 {0.00/37} 20. Qxe4 $11
{0.00/35}) ({Stockfish 020316 64 BMI2:} 17... Bg4 18. Qe1 e3 19. Be2 Bf5 20.
Rf3 Bxc2 21. Qc1 Bb3 22. Rxe3 Nxd5 23. Rxe8 Qxe8 24. Bf3 Nb4 25. Qd2 Qg6 26.
Be4 Qf7 27. Bf3 a5 28. Nb5 Qd7 29. Qc3 Bxa4 30. Nxd6 Bc6 31. Nc4 Bxf3 32. Ne5
Qd5 33. Nxf3 Nc6 34. Rc1 Rd8 35. Qc4 Qxc4 36. Rxc4 Kf7 37. Kf2 Ke6 38. Ke3 Kd6
{-0.12/34}) 18. Re1 {0.25/30} (18. Qe3 {0.59/32 18...Rc8  0.25} Rff7 {0.68/33}
19. Be2 {0.62/30} Bg4 $14 {1.02/32} ({Stockfish 020316 64 BMI2:} 19... Qg5 20.
Raf1 Bc8 21. h4 Qg6 22. Re1 Bd7 23. Rff1 Rf8 24. a5 Ref7 25. Qf4 Nh5 26. Qxe4
Rxf1+ 27. Rxf1 Rxf1+ 28. Bxf1 Bf5 29. Qe3 Bxc2 30. Qe6+ Kf8 31. Qxg6 Bxg6 32.
Kf2 Nf6 33. g3 Bf7 34. Bc4 Ke7 35. Ke3 g5 36. b4 Ng4+ 37. Kf3 Nf6 38. hxg5 {
0.62/30})) ({Stockfish 020316 64 BMI2:} 18. Qe3 Qg5 19. Be2 Kh7 20. Raf1 Rfe8
21. Re1 Bh3 22. Qf2 Bd7 23. a5 Bh3 24. Bf1 Bd7 25. Bc4 Bh3 26. Be2 Bd7 27. Ra1
Bh3 28. Ra3 h5 29. Ra1 Kg8 30. Rf1 Qg6 31. Rxf6 gxf6 32. Qg3 Qxg3 33. hxg3 Bg4
34. Rxf6 e3 35. Rg6+ Kf7 36. Rxd6 {0.43/30}) 18... Rfe8 {0.74/32} (18... Rff7
$142 $11 {0.40/31 19.Qe3  0.74}) ({Stockfish 020316 64 BMI2:} 18... Rc8 19. Qf1
Ree8 20. Be2 Re7 21. a5 Rce8 22. Rc1 h5 23. h4 Rf8 24. Qf2 e3 25. Qf3 Bg4 26.
Qg3 Bf5 27. Qxg6 Bxg6 28. Rff1 Rfe8 29. Kh1 Kh7 30. Rf3 Be4 31. Rg3 Rf8 32. Rg5
Ree8 33. Kg1 Bg6 34. Rg3 {0.25/30}) 19. Qf2 $4 {-1.48/33 letting the wind out
of his own sails} (19. Qe3 $142 $16 {0.62/31 19...Nh5  -1.48}) ({Stockfish
020316 64 BMI2:} 19. Qe3 b5 20. axb5 Rc8 21. Bb3 axb5 22. h3 Qg5 23. Ne2 Kh7
24. h4 Qg6 25. c3 Ra8 26. Rff1 Qg4 27. Qf4 Ra6 28. Ng3 e3 29. Qxg4 Bxg4 30.
Bc2+ Kg8 31. Bf5 Re8 32. Bxg4 Nxg4 33. Rf3 Ra2 34. Nf5 Rxb2 35. Nxd6 Rd8 36.
Nf5 {0.74/32}) 19... Nh5 $17 {-1.37/33} 20. Rh4 {-1.44/38} Rf7 {0.00/35 Black
threatens to win material: Rf7xf2} (20... Rf8 $5 {-1.44/39 21.Qd2  0.00
deserves consideration} 21. Qd2 {-1.52/40} b5 {-1.55/39} 22. axb5 {-1.57/38}
axb5 {-1.54/38} 23. Nxb5 {-1.54/38} e3 {-1.43/42} 24. Rxe3 {-1.43/40} Qg5 {
-1.44/41} 25. Rxh5 {-1.39/39} Qxe3+ {-1.51/39} 26. Qxe3 {-1.44/41} Rxe3 $17 {
-1.44/35}) ({Stockfish 020316 64 BMI2:} 20... Rf8 21. Qd2 b5 22. axb5 axb5 23.
Nxb5 e3 24. Rxe3 Qg5 25. Rxh5 Qxe3+ 26. Qxe3 Rxe3 27. h3 Rf6 28. Nc7 Bf5 29.
Rxf5 Rxf5 30. Bd3 Rf7 31. Nb5 Rf6 32. Nc7 Kf7 33. b4 g5 34. Kh2 Rf4 35. Ne6 Rf2
36. b5 Rxd3 37. cxd3 Rb2 38. h4 Rxb5 39. hxg5 Rxd5 40. Nf4 Rxg5 41. Kh3 Kf6 42.
g3 Kf5 43. Nd5 Ke6 44. Nf4+ Kd7 45. Kg2 Ra5 46. Kf3 Kc6 47. Kf2 Rf5 48. Kf3 Rf8
49. Ke3 Re8+ 50. Kf3 {-1.44/38}) 21. Qd2 $11 {0.00/32} Nf6 {0.00/37} 22. h3 {
-1.77/37 Prevents intrusion on g4} (22. Rf4 {0.00/37 22...Qg3  -1.77} e3 {
0.00/38} 23. Rxe3 {0.00/39} Rxe3 {0.00/38} 24. Qxe3 {0.00/37} Qxc2 $11 {0.00/35
}) ({Stockfish 020316 64 BMI2:} 22. Rf4 e3 23. Rxe3 Rxe3 24. Qxe3 Qxc2 25. h3
Qxb2 26. Rf1 Qb6 27. Bd3 Qc7 28. Bg6 Rf8 29. Rf3 Qd8 30. Qd3 Qa5 31. Qe3 Qd8 {
0.00/37}) 22... Qg5 {-0.19/35 Black prepares the advance e3. Black threatens
to win material: Qg5xd2. Black forks: d2+h4} (22... Qg3 $142 {-1.71/37 23.Qf4
-0.19} 23. Rhxe4 {-1.74/39} Nxe4 {-1.68/34} 24. Rxe4 {-1.70/35} Ref8 $17 {
-1.58/33}) ({Stockfish 020316 64 BMI2:} 22... Qg3 23. Rexe4 Nxe4 24. Rxe4 Ref8
25. Re3 Rf2 26. Rxg3 Rxd2 27. Ne4 Rxc2 28. b3 Bxa4 29. Nxd6 b5 30. Bd3 Rc1+ 31.
Kh2 Bxb3 32. Nf5 Rxf5 33. Bxf5 Bxd5 34. Ra3 Rc6 35. g4 Kf7 36. Kg3 g6 37. Bb1
Rf6 38. h4 b4 39. Ra5 Rf3+ 40. Kh2 Bc4 41. Rc5 Bb5 42. Rc7+ Kf6 43. Rb7 Re3 44.
Rb6+ Re6 45. g5+ hxg5 46. hxg5+ Ke7 47. Rb8 Kd6 48. Kg3 b3 49. Kf4 Re8 50. Rxe8
Bxe8 51. Ke3 a5 52. Kd2 {-1.77/37}) 23. Qf4 $11 {-0.31/33 White threatens to
win material: Qf4xd6} Nh7 {1.53/33} (23... b5 $142 {-0.20/33 24.Qxg5  1.53 is
the best option Black has} 24. axb5 {-0.27/31} Rc8 $11 {-0.14/32}) ({Stockfish
020316 64 BMI2:} 23... b5 24. axb5 Rc8 25. Bb3 axb5 26. Ne2 Re8 27. c3 Bf5 28.
Bc2 Bg6 29. Ra1 Rff8 30. Ng3 Qxd5 31. Qe3 Rf7 32. Rf4 Qc4 33. Qe1 b4 34. Ra4
Rb8 35. Nf1 Qc6 36. Bb3 d5 37. cxb4 Qd6 38. Qd2 Re8 39. Qe3 Rd8 40. b5 Qb6 41.
Qe2 Ra7 42. Rxa7 Qxa7 43. Qd2 Qb6 {-0.31/33}) 24. Qxg5 $16 {1.48/32} Nxg5 {
1.53/31} (24... hxg5 $2 {2.66/33 25.a5  1.53} 25. Rhxe4 {2.51/32} Rc8 {2.76/31}
26. Bd3 $18 {2.54/31}) 25. Rf1 {1.32/34} (25. a5 {1.44/35} Rc8 {1.53/32} 26.
Bb3 {1.58/33} Re8 $16 {1.63/29}) 25... Rfe7 {1.47/31} (25... Bf5 {1.29/35} 26.
Rhf4 {1.25/33} Rc7 {1.33/32} 27. Be2 $16 {1.26/32}) 26. Rhf4 {1.12/32} ({
Stockfish 020316 64 BMI2:} 26. Be2 Rc8 27. a5 e3 28. Bd3 Rb8 29. Re1 b6 30.
axb6 Rxb6 31. b3 Rb8 32. Rf4 Bxh3 33. Bxa6 Bd7 34. Bd3 Be8 35. Nd1 Bf7 36. Nxe3
Bxd5 37. Rff1 Rbe8 38. Bb5 Rb8 39. c4 Bb7 40. Nf5 Re4 41. Nxd6 Rxd4 42. Nxb7
Rxb7 {1.47/31}) 26... e3 {1.12/32} 27. Re1 {1.15/36} Bxh3 {1.13/36} 28. Bd3 {
1.09/34} Bd7 {1.11/30} 29. b3 {0.67/35} ({Stockfish 020316 64 BMI2:} 29. a5 Rb8
30. Nd1 b6 31. axb6 e2 32. Nc3 Rxb6 33. b3 Be8 34. Rxe2 Rxe2 35. Nxe2 Bf7 36.
Nc3 Rb8 37. Kf2 Re8 38. Rh4 Rc8 39. Ne4 Nxe4+ 40. Bxe4 Re8 41. Kf3 Rb8 42. Ke2
a5 43. Kd3 Be8 44. Rh1 a4 45. bxa4 Ra8 46. c4 Rxa4 47. c5 {1.11/30}) 29... Nh7
$2 {2.50/35} (29... h5 $14 {0.94/33 30.Ne4  2.50}) ({Stockfish 020316 64 BMI2:
} 29... Rc8 30. Ne4 Nxe4 31. Rxe3 Rce8 32. Rfxe4 Rxe4 33. Rxe4 Rxe4 34. Bxe4 a5
35. Bg6 Kf8 36. c3 Ke7 37. Kf2 Bg4 38. Bc2 h5 39. Ke3 g5 40. b4 b6 41. b5 h4
42. c4 Kd7 43. Kd2 Kc7 44. Bd3 Bd7 45. Ke2 Bg4+ 46. Ke1 Bd7 47. Bg6 Bg4 48. Kd2
Bd7 49. Ke3 {0.67/35}) 30. Nd1 $4 {0.00/37 forfeits the advantage} (30. Ne4
$142 {2.47/34 30...Nf6  0.00 White would have gained the upper hand} g5 {
2.52/32} 31. Nf6+ {2.46/32} Kf7 {2.68/32} 32. Nxe8+ {2.52/33} gxf4 {2.71/29}
33. Nxd6+ {2.51/31} Kf6 {2.73/33} 34. Rf1 $18 {2.60/31}) ({Stockfish 020316 64
BMI2:} 30. Ne4 g5 31. Nf6+ Kh8 32. Rf3 g4 33. Rff1 e2 34. Rf4 Nxf6 35. Rxf6 g3
36. Rxd6 h5 37. Rh6+ Kg8 38. Rxh5 Re3 39. Rh4 R8e7 40. d6 Re8 41. a5 Bb5 42.
Rg4+ Kf8 43. Bxb5 axb5 44. Rf4+ Kg7 45. Rf3 Rxf3 46. gxf3 Kf6 47. c4 bxc4 48.
bxc4 Re3 49. Kg2 Ke6 50. c5 Kd7 51. Kxg3 Kc6 52. Kf2 {2.50/35}) 30... Nf6 $11 {
0.00/34} 31. c4 {0.00/39} Ng4 {1.71/35} (31... e2 {0.00/38 32.Bg6  1.71} 32.
Nb2 $11 {0.00/35}) ({Stockfish 020316 64 BMI2:} 31... e2 32. Nb2 b5 33. cxb5
axb5 34. axb5 Rb8 35. Rxe2 Rxe2 36. Bxe2 Bxb5 37. Bg4 Nxg4 38. Rxg4 Rc8 39. Rg6
Rc3 40. Nc4 Bxc4 41. bxc4 Rxc4 42. Rxd6 Rxd4 43. Kf2 Rd2+ 44. Kf3 Kf7 45. Rd7+
Kf6 46. g4 Rd4 47. d6 g6 48. Rh7 Rxd6 49. Rxh6 {0.00/39}) 32. Rf3 {0.00/46} (
32. Bg6 $142 {1.62/33 32...Nf2  0.00} Rb8 {1.77/38} 33. Nc3 $16 {1.77/35}) ({
Stockfish 020316 64 BMI2:} 32. Bg6 {1.71/35}) 32... Nf2 $11 {0.00/45 Black
threatens to win material: Nf2xd3} 33. Bg6 {0.00/46} (33. Nxf2 {-6.50/29 33...
Nxd1  0.00} exf2+ {-6.34/29 Passed pawn}) 33... Nxd1 {0.00/45 Decoy: d1} 34.
Bxe8 {0.00/46} (34. Rxd1 {0.00/44} Bg4 {0.00/42 Decoy}) 34... Rxe8 {0.00/44}
35. Rxd1 {0.00/42 White wins the exchange} Bg4 {0.00/37 Black threatens to win
material: Bg4xf3} 36. Re1 {0.00/44} Bxf3 {0.00/41} 37. gxf3 {0.00/38 A rook
endgame occured} Kf7 {0.00/35} 38. c5 {0.00/45} dxc5 {0.00/45} 39. dxc5 {
0.00/41 White has a new passed pawn: d5} Re5 {0.00/54} 40. c6 {0.00/51} bxc6 {
0.00/51} 41. dxc6 {0.00/42} Ke6 {0.00/44} 42. Kf1 {0.00/41} e2+ {0.00/49} 43.
Rxe2 $4 {-123.41/60 a weak move, ruining a winning position.} (43. Kf2 $142 $11
{0.00/46 43...Rxe2  -123.41 would be a reprieve}) ({Stockfish 020316 64 BMI2:}
43. Kf2 Kd6 44. b4 Kxc6 45. Rxe2 Rxe2+ 46. Kxe2 Kd5 47. Kd3 h5 48. Ke3 Kd6 49.
b5 axb5 50. axb5 {0.00/49}) 43... Rxe2 $19 {-123.41/59} 44. Kxe2 {-123.41/56}
a5 {-123.42/57} 45. f4 {-123.43/56} g6 {-123.43/57} 0-1

[/pgn]

descriptionFull Analysis & Blundercheck in Fritz 15 EmptyFull Analysis / 60 Minutes / Opening reference

more_horiz
"Chucky" Sacrifice the Exchange after 15...0-0-0
[pgn][Event "Irkutsk 42/545"]
[Site "Irkutsk 42/545"]
[Date "1986.??.??"]
[Round "?"]
[White "Alexey Vyzmanavin"]
[Black "Vassily Ivanchuk"]
[Result "1/2-1/2"]
[ECO "D44"]
[Annotator "Stockfish 020316 64 BMI2 (60m)"]
[PlyCount "62"]
[EventDate "1986.??.??"]

{D44: Semi-Slav: Botvinnik System} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5.
Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Be7 11. exf6 Bxf6 {
The isolani on d4 becomes a target} 12. Be3 Bb7 13. Ne4 (13. Qf3 Be7 14. g3 Na6
15. Bg2 Rb8 16. O-O c5 17. Qg4 Bxg2 18. Kxg2 b4 19. Ne2 Qd5+ 20. Kg1 Bf6 21.
Rfd1 Qh5 22. Qxh5 Rxh5 23. Rac1 {1/2-1/2 (23) Schmidt,W (2470)-Hracek,Z (2405)
Poznan 1987}) 13... Na6 $146 (13... Be7 14. Nc5 (14. Qg4 Bb4+ 15. Nc3 Qf6 16.
Rd1 Nd7 17. Be2 Qh4 18. Qg7 Bf8 19. Qg3 Qxg3 20. fxg3 Be7 21. Bf3 O-O-O 22. O-O
Nb6 23. Ne4 Nd5 24. Bd2 b4 25. Ng5 Rdf8 26. Bxd5 cxd5 27. Rxf7 Rxf7 28. Nxf7
Rf8 {Sans Font,M (1575)-Fernandez Peitx,A (1783) Sabadell 2011 1-0 (39)}) 14...
Qb6 15. Qf3 Na6 16. Nxb7 Bb4+ 17. Kd1 Qxb7 18. a3 Be7 19. Be2 Nc7 20. Ke1 Nd5
21. Kf1 O-O-O 22. Bd2 f5 23. g3 Qb6 24. Be3 c5 25. Rd1 Kb8 26. Kg2 Nxe3+ 27.
fxe3 cxd4 28. Qf4+ {Sica,M (1978)-Lopez Rebert,P (1947) Villa Martelli 2014 1/
2-1/2 (41)}) 14. Nxf6+ Qxf6 {White has the pair of bishops} 15. Qd2 O-O-O 16.
Bg5 {White threatens to win material: Bg5xf6} Qf5 17. Bxd8 Rxd8 {White wins
the exchange} (17... Rxd8 18. Be2 c5 {0.10/20 Houdini 3 x64}) 18. Qc3 $4 {
White lets it slip away} (18. h4 $142 $11 {and White can hope to live}) 18...
c5 $17 {Black prepares the advance b4} (18... c5 19. dxc5 Nxc5 {-1.34/28
Stockfish 5 64 SSE4.2}) 19. dxc5 (19. dxc5 Nxc5 20. f3 {-0.35/21 Deep Fritz 14
x64}) 19... Nxc5 (19... Nxc5 {-0.72/25 Komodo 9.1 64-bit}) 20. f3 $2 (20. f3
Na4 21. Qe3 {-0.47/22 Deep Fritz 14 x64}) (20. Qg3 $142 $5 Rd2 21. Qe3 $17)
20... b4 $19 (20... b4 21. Qe3 Nd3+ {0.35/15 Deep Rybka 4 x64}) 21. Qe3 (21.
Qe3 Nd3+ 22. Bxd3 {-1.85/29 Komodo 9.3 64-bit}) 21... Nd3+ 22. Bxd3 Rxd3 (22...
Rxd3 23. Qf2 Qe5+ {-1.46/21 Houdini 3 Pro x64}) 23. Qh6 (23. Qf2 Qe5+ {-0.52/
20 Houdini 3 x64}) (23. Qf2 Qe5+ 24. Kf1 c3 $19) 23... Qe5+ (23... Qc5 {
-1.47/21 Houdini 3 x64}) 24. Kf2 Qxb2+ (24... Qxb2+ {0.99/17 Houdini 3 x64})
25. Kg3 (25. Kg3 Rd8 26. Qg5 {-0.49/19 Fritz 13}) 25... Rd8 (25... Rd8 26. Qg5
f6 {-0.97/15 Deep Rybka 4 x64}) 26. Qg5 (26. Qg5 f6 27. Rhb1 {-2.08/26
Stockfish 7 64 POPCNT}) 26... f6 (26... f6 27. Rhb1 {-1.16/21 Deep Fritz 14 x64
}) 27. Rab1 (27. Rab1 Qd4 28. Qg7 {-0.52/22 Deep Fritz 13}) 27... Qd4 (27...
Qd4 28. Qg7 {-1.69/26 Stockfish 7 64 POPCNT}) (27... fxg5 $6 {is much worse}
28. Rxb2 a5 29. Rf2 $11) 28. Qg7 Qe5+ (28... Qe5+ 29. Kh3 {-2.25/24 Stockfish
7 64}) 29. Kh3 (29. Kh3 a5 {-1.45/19 Deep Fritz 14 x64}) 29... Qh5+ $4 {
letting the wind out of his own sails} (29... a5 $142 $19 {Black missed this
excellent chance}) 30. Kg3 $15 (30. Kg3 Qe5+ {-2.28/26 Stockfish 7 64}) 30...
Qe5+ {Twofold repetition} (30... Qe5+ {-1.53/20 Deep Fritz 14 x64}) 31. Kh3
Qh5+ 1/2-1/2

[/pgn]

[pgn][Event "Abbazia"]
[Site "Abbazia CRO"]
[Date "1912.01.30"]
[Round "12"]
[White "Richard Reti"]
[Black "Oldrich Duras"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "45"]
[EventDate "1912.01.15"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. c4 c6 6. d4 cxd5 {-0.15/26 last
book move last book move} 7. Bxf4 {-0.14/25} ({Komodo 9.3 64-bit:} 7. c5 Bg4 8.
Bxf4 Nc6 9. Nc3 Be7 10. Bb5 O-O 11. O-O Ne4 12. Qa4 Bxf3 13. gxf3 Bg5 14. fxe4
Bxf4 15. exd5 Qh4 16. Rxf4 Qxf4 17. dxc6 Qg4+ 18. Kf1 Qf3+ 19. Kg1 Qg4+ {
0.00/23}) ({Stockfish 020316 64 BMI2:} 7. Bxf4 Bb4+ 8. Nc3 Nc6 9. Be2 O-O 10.
O-O dxc4 11. Bxc4 Bg4 12. a3 Ba5 13. Kh1 Bb6 14. h3 Bxf3 15. Qxf3 Qxd4 16. Ba2
Ne5 17. Qxb7 Nd3 18. Bg3 Nxb2 19. Bxf7+ Kh8 20. Nb5 Qd3 21. Rxf6 Qxg3 22. Qf3
Qxf3 23. Rxf3 Rad8 24. Raf1 Nd3 25. Bd5 Nf2+ 26. Kh2 Rxf3 27. Bxf3 g6 {-0.15/26
}) 7... Bb4+ {-0.15/28} ({Komodo 9.3 64-bit:} 7... Bd6 8. Bxd6 Qxd6 9. c5 Qe6+
10. Be2 O-O 11. Nc3 Nc6 12. O-O Qe3+ 13. Kh1 Bg4 14. Re1 Rae8 15. Bb5 Bxf3 16.
Rxe3 Bxd1 17. Rxe8 Rxe8 18. Rxd1 a6 19. Ba4 Ng4 20. Kg1 Ne3 21. Re1 Re6 22.
Bxc6 bxc6 23. h3 {-0.11/25}) ({Stockfish 020316 64 BMI2:} 7... Bb4+ 8. Nc3 Nc6
9. Bd3 dxc4 10. Bxc4 O-O 11. O-O Bg4 12. a3 Ba5 13. Kh1 Bb6 14. h3 Bxf3 15.
Qxf3 Qxd4 16. Ba2 Ne5 17. Qxb7 Nd3 18. Bg3 Nxb2 19. Bxf7+ Kh8 20. Nb5 Qd3 21.
Rxf6 Qxg3 22. Qf3 Qxf3 23. Rxf3 Rad8 24. Raf1 Nd3 25. Bd5 Rxf3 26. Rxf3 Ne5 27.
Rf5 {-0.14/25}) 8. Nc3 {-0.18/25} ({Komodo 9.3 64-bit:} 8. Nc3 Nc6 9. Bd3 dxc4
10. Bxc4 Qe7+ 11. Be5 O-O 12. O-O Bg4 13. Bxf6 Qxf6 14. Nd5 Qd6 15. Qd3 Bxf3
16. Rxf3 b5 17. Bb3 Nxd4 18. Rh3 h6 19. Nxb4 Qxb4 20. Rxh6 gxh6 21. Qg6+ Kh8
22. Qxh6+ Kg8 23. Qg6+ Kh8 24. Qh5+ Kg7 25. Qg5+ Kh7 26. Qh5+ Kg7 {0.00/27}) ({
Stockfish 020316 64 BMI2:} 8. Nc3 O-O 9. Be2 dxc4 10. O-O Nc6 11. Bxc4 Bg4 12.
a3 Ba5 13. Kh1 Bb6 14. h3 Bxf3 15. Qxf3 Qxd4 16. Ba2 Ne5 17. Qxb7 Nd3 18. Bg3
Nxb2 19. Bxf7+ Kh8 20. Nb5 Qd3 21. Rxf6 Qxg3 {-0.15/28}) 8... O-O {-0.10/28} ({
Komodo 9.3 64-bit:} 8... Nc6 9. Bd3 dxc4 10. Bxc4 Qe7+ 11. Be5 O-O 12. O-O Bg4
13. Bxf6 Qxf6 14. Nd5 Qd6 15. Qd3 Bxf3 16. Rxf3 b5 17. Bb3 Nxd4 18. Rh3 h6 19.
Nxb4 Qxb4 20. Rxh6 gxh6 21. Qg6+ Kh8 22. Qxh6+ Kg8 23. Qg6+ Kh8 24. Qh5+ Kg8
25. Qg5+ Kh7 26. Qh5+ Kg7 27. Qg5+ Kh7 {0.00/25}) ({Stockfish 020316 64 BMI2:}
8... O-O 9. Be2 Nc6 10. O-O dxc4 11. Bxc4 Bg4 12. a3 Ba5 13. Kh1 Bb6 14. h3
Bxf3 15. Qxf3 Qxd4 16. Bb5 Qc5 17. b4 Qh5 18. Ne4 Qxb5 19. Nxf6+ Kh8 20. Ne4
Nd4 21. Nd6 Qc6 22. Qxc6 bxc6 23. Rae1 {-0.18/25}) 9. Bd3 {-0.13/23} ({Komodo
9.3 64-bit:} 9. Be2 Nc6 10. O-O dxc4 11. Bxc4 Bg4 12. a3 Bd6 13. Bg5 h6 14. Bh4
Be7 15. Bf2 Rc8 16. Qd3 Bxf3 17. gxf3 Qc7 18. Kh1 Nxd4 19. Bxf7+ Rxf7 20. Bxd4
Qd8 21. Ne2 Bc5 22. Rac1 Bxd4 23. Rxc8 Qxc8 24. Nxd4 Nd5 25. Rg1 Kh8 {0.05/23})
({Stockfish 020316 64 BMI2:} 9. Be2 dxc4 10. O-O Bg4 11. Bxc4 Nc6 12. a3 Ba5
13. Kh1 Bb6 14. h3 Bxf3 15. Qxf3 Qxd4 16. Ba2 Rad8 17. Rae1 Qd3 18. Qxd3 Rxd3
19. Na4 Ba5 20. Nc5 Bxe1 21. Nxd3 Ba5 22. Nc5 b5 23. Nb7 Bb6 24. Nd6 Nd4 25.
Be5 {-0.10/28}) 9... Re8+ {-0.12/29} ({Komodo 9.3 64-bit:} 9... Re8+ 10. Be5
Be6 11. c5 Nbd7 12. O-O Bxc3 13. bxc3 Nxe5 14. Nxe5 Ne4 15. Qc2 b6 16. Bb5 Rf8
17. c4 bxc5 18. Nc6 Qc7 19. dxc5 f5 20. cxd5 Bxd5 21. Nb4 Be6 22. Bc6 Rac8 23.
Bxe4 fxe4 24. Rxf8+ Rxf8 25. Re1 Qf7 26. h3 e3 27. Nd3 a6 {-0.06/26}) ({
Stockfish 020316 64 BMI2:} 9... dxc4 10. Bxc4 Re8+ 11. Be5 Nc6 12. O-O Nxe5 13.
dxe5 Qxd1 14. Nxd1 Ng4 15. h3 Nxe5 16. Nxe5 Rxe5 17. Bxf7+ Kh8 18. Nc3 b6 19.
Bd5 Rb8 20. Rad1 a5 21. Bb3 Bb7 22. Rf7 Bc6 23. Rc7 Rc5 24. Rd3 Be4 25. Rdd7
Rxc7 26. Rxc7 {-0.13/23}) 10. Be5 {-0.08/28} ({Komodo 9.3 64-bit:} 10. Be5 Be6
11. c5 Nbd7 12. O-O Nxe5 13. Nxe5 Bxc3 14. bxc3 Ne4 15. c4 f6 16. cxd5 fxe5 17.
Bxe4 Bxd5 18. Re1 Bxe4 19. Rxe4 exd4 20. Rxe8+ Qxe8 21. Qxd4 Rd8 22. Qc4+ Qf7
23. Qb3 h6 24. Qxf7+ Kxf7 25. Rf1+ Ke6 26. Re1+ Kf6 27. Rf1+ Ke7 28. Rb1 Rd7
29. Kf2 {-0.12/25}) ({Stockfish 020316 64 BMI2:} 10. Be5 Nc6 11. O-O Nxe5 12.
dxe5 dxc4 13. Bxc4 Qxd1 14. Nxd1 Ng4 15. h3 Nxe5 16. Nxe5 Rxe5 17. Bxf7+ Kh8
18. Nc3 b6 19. Bc4 Be6 20. Bxe6 Rxe6 21. Rae1 Rxe1 22. Rxe1 Rc8 23. Rd1 Bxc3
24. bxc3 Kg8 25. Rd7 a5 26. Rb7 Rxc3 27. Rxb6 {-0.12/29}) 10... Be6 {0.00/28} (
{Komodo 9.3 64-bit:} 10... Be6 11. c5 Bxc3+ 12. bxc3 Nbd7 13. O-O Nxe5 14. Nxe5
Ne4 15. c4 f6 16. cxd5 fxe5 17. Bxe4 Bxd5 18. Re1 Bxe4 19. Rxe4 exd4 20. Qxd4
Qxd4+ 21. Rxd4 Rad8 22. Rxd8 Rxd8 23. Rb1 Rd7 24. Kf2 Kf7 25. Rb4 Kf6 26. Ke3
Rc7 27. Kd3 Kf5 {-0.15/26}) ({Stockfish 020316 64 BMI2:} 10... Nc6 11. O-O Nxe5
12. dxe5 dxc4 13. Bxc4 Qxd1 14. Nxd1 Ng4 15. h3 Nxe5 16. Nxe5 Rxe5 17. Bxf7+
Kh8 18. Nc3 Bf5 19. Rad1 Bc2 20. Rd2 Ba4 21. a3 Bxc3 22. bxc3 Bc6 23. Rfd1 g6
24. Bd5 Bxd5 25. Rxd5 Rxd5 26. Rxd5 Rc8 {-0.08/28}) 11. c5 {-0.10/27} ({
Komodo 9.3 64-bit:} 11. c5 Nc6 12. O-O Nxe5 13. Nxe5 Bxc3 14. bxc3 Ne4 15. c4
f6 16. cxd5 fxe5 17. Bxe4 Bxd5 18. Re1 Bxe4 19. Rxe4 exd4 20. Rxe8+ Qxe8 21.
Qxd4 Rd8 22. Qc3 Rc8 23. Qb3+ Qf7 24. Rc1 h6 25. Rb1 Qxb3 26. Rxb3 Rc7 27. g3
Rd7 28. a4 {-0.07/26}) ({Stockfish 020316 64 BMI2:} 11. c5 Nc6 12. O-O Nxe5 13.
Nxe5 Bxc3 14. bxc3 Ne4 15. c4 f6 16. cxd5 fxe5 17. Bxe4 Bxd5 18. Re1 Bxe4 19.
Rxe4 exd4 20. Qb3+ Kh8 21. Qxb7 d3 22. Qc6 Rf8 23. Qd6 Rc8 24. Qxd8 Rfxd8 25.
Rc4 Rc6 26. Rd1 Rd5 27. Kf2 Kg8 28. Ke3 d2 29. Rd4 Rcxc5 {0.00/28}) 11... Ng4 {
0.56/29} ({Komodo 9.3 64-bit:} 11... Nbd7 12. O-O Bxc3 13. bxc3 Nxe5 14. Nxe5
Ne4 15. c4 f6 16. cxd5 fxe5 17. Bxe4 Bxd5 18. Re1 Kh8 19. Kh1 exd4 20. Qxd4
Bxe4 21. Rxe4 Qxd4 22. Rxd4 Re7 23. Rad1 Kg8 24. h3 Rc8 25. Rd7 Rxd7 26. Rxd7
Rxc5 27. Rxb7 Ra5 28. Rb2 {-0.07/24}) ({Stockfish 020316 64 BMI2:} 11... Nbd7
12. O-O Nxe5 13. Nxe5 Bxc3 14. bxc3 Ne4 15. c4 f6 16. cxd5 fxe5 17. Bxe4 Bxd5
18. Re1 Bxe4 19. Rxe4 exd4 20. Qxd4 Qxd4+ 21. Rxd4 Re7 22. Rd5 Rc8 23. Rad1 h6
24. Rd8+ Rxd8 25. Rxd8+ Kf7 26. Ra8 a6 27. c6 bxc6 28. Rxa6 c5 29. Kf2 c4 30.
Rc6 Ra7 31. Rxc4 Rxa2+ 32. Kf3 {-0.10/27}) 12. O-O {0.57/27} ({Komodo 9.3
64-bit:} 12. O-O Bxc3 13. bxc3 b6 14. cxb6 axb6 15. Bf4 h6 16. Nd2 Nf6 17. Qf3
Nbd7 18. h3 Ra3 19. Bd6 Rxc3 20. Bh7+ Kxh7 21. Qxc3 Ne4 22. Qc2 Qa8 23. Rac1 f5
24. Bc7 g5 25. a4 f4 26. Nf3 Rc8 27. h4 Kg7 28. hxg5 {0.47/26}) ({Stockfish
020316 64 BMI2:} 12. O-O Nxe5 13. Nxe5 Qg5 14. Nb5 Re7 15. Nf3 Qh6 16. a3 Ba5
17. b4 a6 18. Nd6 Bc7 19. Nxb7 Bg4 20. Nd6 Nc6 21. Nf5 Bxf5 22. Bxf5 Rb8 23.
Bd3 a5 24. b5 Nxd4 25. Bxh7+ Qxh7 26. Qxd4 Rxb5 27. Rfe1 Rxe1+ 28. Rxe1 Qf5 29.
Re7 Rb1+ 30. Ne1 Rc1 31. Re8+ Kh7 {0.56/29}) 12... Bxc3 {0.67/30} ({Komodo 9.3
64-bit:} 12... Bxc3 13. bxc3 b6 14. cxb6 axb6 15. Bf4 h6 16. Nd2 Nf6 17. Qf3
Nbd7 18. h3 Ra3 19. Bd6 Rxc3 20. Bh7+ Kxh7 21. Qxc3 Ne4 22. Qc2 Qa8 23. Rac1 f5
24. Bc7 g5 25. a4 f4 26. Nf3 Rc8 27. h4 Kg7 28. hxg5 hxg5 29. Qc6 Qxc6 {0.47/25
}) ({Stockfish 020316 64 BMI2:} 12... Bxc3 13. bxc3 b6 14. cxb6 axb6 15. Bf4
Nd7 16. Ng5 Ngf6 17. Nxe6 Rxe6 18. Qb3 Ra7 19. c4 Qa8 20. a3 Re8 21. Bd6 Ne4
22. Bb4 Ndf6 23. Rae1 Rd7 24. a4 Rc8 25. Rf5 Nd6 26. Rxf6 gxf6 27. c5 bxc5 28.
dxc5 {0.57/27}) 13. bxc3 {0.53/27} ({Komodo 9.3 64-bit:} 13. bxc3 b6 14. cxb6
axb6 15. Bf4 h6 16. Nd2 Nf6 17. Qf3 Nbd7 18. a4 g5 19. Bd6 Bg4 20. Qf2 Re6 21.
Bb4 Qc7 22. Bb5 Bh5 23. Rae1 Ng4 24. Qg3 Qxg3 25. hxg3 Ndf6 26. Rxe6 fxe6 27.
Bc6 Ra6 {0.50/23}) ({Stockfish 020316 64 BMI2:} 13. bxc3 {0.67/30}) 13... Ne3 {
1.33/30} ({Komodo 9.3 64-bit:} 13... b6 14. cxb6 axb6 {0.46/23}) ({Stockfish
020316 64 BMI2:} 13... b6 14. cxb6 axb6 15. Bf4 Qc8 16. Ng5 Nf6 17. Rf3 Bg4 18.
Qc2 Ne4 19. Re3 Nxg5 20. Rxe8+ Qxe8 21. Bxg5 h6 22. Bh4 Nd7 23. Re1 Be6 24. a4
Qc8 25. Rf1 Nf8 26. Qb3 Qd7 27. Bb5 Qb7 28. h3 Bd7 {0.53/27}) 14. Bxh7+ {
1.27/31} ({Komodo 9.3 64-bit:} 14. Bxh7+ Kxh7 15. Qd3+ {1.16/26}) ({Stockfish
020316 64 BMI2:} 14. Bxh7+ Kxh7 15. Qd3+ Kg8 16. Qxe3 f6 17. Bd6 Bf5 18. Ne5
Bh7 19. Qf2 Qc8 20. h3 Nd7 21. Ng4 b6 22. Qg3 Kh8 23. Qh4 bxc5 24. dxc5 Qb7 25.
Rab1 Qa6 26. Rb2 Qc6 27. Rxf6 Nxf6 28. Nxf6 gxf6 29. Qxf6+ Kg8 30. Qg5+ Kh8 31.
Rb4 Be4 32. Qf6+ Kg8 33. Rxe4 dxe4 {1.33/30}) 14... Kh8 {4.10/28} ({Komodo 9.3
64-bit:} 14... Kxh7 15. Qd3+ Kg8 {1.06/24}) ({Stockfish 020316 64 BMI2:} 14...
Kxh7 15. Qd3+ Kg8 16. Qxe3 f6 17. Bd6 Bf5 18. Ne5 Bh7 19. Qf2 Qc8 20. h3 Nc6
21. Ng4 b6 22. Qf3 Qe6 23. Rae1 Qf7 24. Rxe8+ Rxe8 25. Ne5 Nxe5 26. dxe5 bxc5
27. exf6 gxf6 28. Bxc5 Be4 29. Qxf6 Qxf6 30. Rxf6 Rb8 31. Rf2 Rb1+ 32. Kh2 Rc1
33. Bd4 Rc2 34. Rxc2 Bxc2 35. Bxa7 {1.27/31}) 15. Qd2 {4.04/29} ({Komodo 9.3
64-bit:} 15. Qd2 Ng4 16. Ng5 Nc6 17. Bd6 Nh6 18. Bc2 f6 19. Nxe6 Rxe6 20. Qd3
f5 21. Rxf5 Nxf5 22. Qxf5 Rh6 23. Bf4 Qf6 24. Bxh6 Qxf5 25. Bxf5 gxh6 26. Be6
Re8 27. Bxd5 Kg7 28. Rf1 Re7 29. Bf3 Na5 30. Kf2 Kf6 31. Re1 Rxe1 32. Kxe1 Nc6
33. Bxc6 {4.08/27}) ({Stockfish 020316 64 BMI2:} 15. Qd2 Kxh7 16. Qxe3 f6 17.
Qd3+ Kg8 18. Ng5 fxg5 19. Qg6 Re7 20. Bxg7 Rxg7 21. Qxe6+ Kh8 22. Rf6 Nd7 23.
Rh6+ Rh7 24. Rxh7+ Kxh7 25. Rf1 Nf8 26. Qf7+ Kh8 27. Re1 Nh7 28. Re7 Qg8 29.
Qf5 Rf8 30. Rxh7+ Qxh7 31. Qxf8+ Qg8 32. Qf5 Qe8 33. Kf2 Qe7 34. Qxd5 Kg7 35.
Kf3 Qf8+ 36. Ke3 Qe7+ 37. Qe5+ Qxe5+ 38. dxe5 Kf7 39. Ke4 Ke6 40. h3 a5 41. a4
Ke7 42. Kf5 {4.10/28}) 15... Nxf1 {11.59/30} ({Komodo 9.3 64-bit:} 15... Ng4
16. Ng5 Nd7 {3.75/26}) ({Stockfish 020316 64 BMI2:} 15... Kxh7 16. Qxe3 {
4.04/29}) 16. Qh6 {11.36/31} ({Komodo 9.3 64-bit:} 16. Qh6 f6 17. Qh5 Bg4 18.
Qh4 fxe5 19. Ng5 Qxg5 20. Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Rf8 24.
Rxf8+ Rxf8 25. Qxb7 Nd8 26. Qxd5+ Nf7 27. c6 exd4 28. cxd4 Re8 29. c7 Re1+ 30.
Kf2 Re8 31. Qd7 Rf8 32. Kg1 g6 33. c8=Q Rxc8 34. Qxc8+ Kg7 35. Qa6 g5 36. Qxa7
Kf6 37. d5 Kg7 38. Qe7 Kg6 39. Qc7 g4 40. Qd7 Nh6 41. Qa7 {12.73/33}) ({
Stockfish 020316 64 BMI2:} 16. Qh6 f6 17. Qh5 Bg4 18. Qh4 fxe5 19. Ng5 Qxg5 20.
Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Rf8 24. Rxf8+ Rxf8 25. Qxb7 Nd8 26.
Qxd5+ Nf7 27. dxe5 Rd8 28. Qc4 Re8 29. c6 Rxe5 30. c7 Re8 31. c8=Q Rxc8 32.
Qxc8+ Kh7 33. Qd7 Nh6 34. Qxa7 Kg6 35. a4 Nf7 36. a5 Kf6 37. Qb6+ Ke5 {11.59/30
}) 16... f6 {11.12/28} ({Komodo 9.3 64-bit:} 16... f6 17. Qh5 Bg4 18. Qh4 fxe5
19. Ng5 Qxg5 20. Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Rf8 24. Rxf8+ Rxf8
25. Qxb7 Nd8 26. Qxd5+ Nf7 27. c6 exd4 28. cxd4 Re8 29. c7 Re1+ 30. Kf2 Rc1 31.
Qa8+ Kh7 32. c8=Q Rxc8 33. Qxc8 g5 34. Kg1 g4 35. Qxg4 Nh6 36. Qc8 Nf7 37. d5
a5 38. Qg4 Nh6 39. Qd7+ Kg6 40. Qe6+ Kg7 {12.70/31}) ({Stockfish 020316 64
BMI2:} 16... f6 17. Qh5 Bg4 18. Qh4 fxe5 19. Ng5 Qxg5 20. Qxg5 Nd7 21. Bg6 Ne3
22. Qh4+ Kg8 23. Qh7+ Kf8 24. Qh8+ Ke7 25. Qxg7+ Kd8 26. Bxe8 Kxe8 27. Qh8+ Nf8
28. Qxe5+ Be6 29. Qxe3 Rc8 30. Rb1 b6 31. cxb6 axb6 32. Rxb6 Kf7 33. a4 Re8 34.
Qf4+ Kg6 35. Qe5 Kf7 36. Qh5+ Ke7 37. Qg5+ Kf7 38. a5 Nd7 39. Qh5+ Kf8 40. Qh8+
Kf7 41. Qh7+ Kf8 42. Rb7 Re7 43. Qh6+ Kf7 44. Qh5+ Kf8 45. a6 Rg7 {11.36/31})
17. Qh5 {10.72/29} ({Komodo 9.3 64-bit:} 17. Qh5 Bg4 18. Qh4 fxe5 19. Ng5 Qxg5
20. Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Rf8 24. Rxf8+ Rxf8 25. Qxb7 Nd8
26. Qxd5+ Nf7 27. c6 exd4 28. cxd4 Re8 29. c7 Re1+ 30. Kf2 Re8 31. Qd7 Rf8 32.
Kg1 Kh7 33. Qh3+ Nh6 34. Qe6 Nf7 35. c8=Q Rxc8 36. Qxc8 g6 37. Qa6 Kg7 38. Qxa7
Kf6 39. Qc7 {11.99/30}) ({Stockfish 020316 64 BMI2:} 17. Qh5 Bg4 18. Qh4 fxe5
19. Ng5 Qxg5 20. Qxg5 Nd2 21. Bg6 Be6 22. Bxe8 Nc6 23. Bxc6 bxc6 24. Qxd2 Rf8
25. Qg5 Rf5 26. Qg6 Rf6 27. Qh5+ Rh6 28. Qe8+ Bg8 29. Rf1 Re6 30. Qh5+ Rh6 31.
Qxe5 Re6 32. Qh5+ Rh6 33. Qe8 Re6 34. Qc8 Kh7 35. Rf8 Re1+ 36. Kf2 {11.12/28})
17... Bg4 {9.40/25} ({Komodo 9.3 64-bit:} 17... Bg4 18. Qh4 fxe5 19. Ng5 Qxg5
20. Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Rf8 24. Rxf8+ Rxf8 25. Qxb7 Na5
26. Qxd5+ Kh7 27. Qxe5 a6 28. c6 Nxc6 29. Qe4+ Kg8 30. Qxc6 Rb8 31. Qxa6 Rb1+
32. Kf2 Rc1 33. Qc8+ Kh7 34. a4 Ra1 35. Qc6 Rh1 36. Qe4+ Kg8 37. Qe8+ Kh7 38.
Qh5+ Kg8 39. c4 Rc1 40. Qd5+ Kh7 41. a5 {11.85/28}) ({Stockfish 020316 64 BMI2:
} 17... Bg4 18. Qh4 {10.72/29}) 18. Qxg4 {3.17/33} ({Komodo 9.3 64-bit:} 18.
Qh4 fxe5 19. Ng5 Qxg5 20. Qxg5 Kxh7 21. Rxf1 Kg8 22. Qxg4 Nc6 23. Qd7 Re7 24.
Qxd5+ Kh8 25. Rf3 g5 26. Rh3+ Kg7 27. Qe4 Rh8 28. Rxh8 Kxh8 29. d5 Kg7 30. dxc6
bxc6 31. Qf5 a5 32. Qxg5+ Kf7 33. Kf2 Re6 34. Qh5+ Kg7 35. Ke3 a4 36. g4 e4 37.
Qg5+ Kf7 38. Qf5+ Rf6 39. Qh7+ {9.49/25}) ({Stockfish 020316 64 BMI2:} 18. Qh4
fxe5 19. Ng5 Qxg5 20. Qxg5 Ne3 21. Bg6 Kg8 22. Bxe8 Nd7 23. Bxd7 Bxd7 24. Qxe3
e4 25. Rf1 Bb5 26. Qg5 Bc4 27. Qf5 Bxf1 28. Qxd5+ Kf8 29. Kxf1 Re8 30. Qxb7 g5
31. Ke2 Re7 32. Qc8+ Re8 33. Qd7 {9.40/25}) 18... Kxh7 {3.90/33} ({Komodo 9.3
64-bit:} 18... Kxh7 {3.87/33} 19. Rxf1 {3.76/33} Qd7 {3.83/29} 20. Qh5+ {3.68/1
} Kg8 {3.68/32} 21. Nh4 {3.60/32} Qe6 {3.48/29} 22. h3 {3.08/31} Nd7 {2.79/29}
23. Ng6 {2.68/30} b6 {5.82/31 5.82  23...Rac8 24.Qh8+ Kf7 25.Qh7 Rc6 26.Nf4
Qe7 27.Nxd5 Qf8 28.Bd6 Rxd6 29.Qh5+ g6 30.Qh7+ Qg7 31.Qxg7+ Kxg7 32.cxd6 Kf7
33.Rb1 b6 34.Nc7 Re2 35.Kf1 Re4 36.Kf2 f5 37.Kf3 Kf6 38.g4 Kf7 39.Rb5 Kf6 40.
Nd5+ Ke6 41.Nf4+ Kxd6 42.Nxg6 Re6 43.gxf5 Re1 44.c4 Rd1 45.Ke3 Nf6 46.Re5  2.68
} 24. Qh8+ {2.76/1 2.76  24.g4  5.82} Kf7 {2.76/31} 25. Qh7 {2.72/31} bxc5 {
2.74/33} 26. Nf4 {2.67/35} Qa6 {2.58/33} 27. Nh5 {2.51/33} Rg8 {2.51/34} 28.
Bxf6 {2.68/32} Qxf1+ {2.71/30} 29. Kxf1 {2.59/31} Nxf6 {2.68/29} 30. Nxf6 {
2.65/31} Kxf6 {2.60/29} 31. dxc5 {2.52/30} Rac8 {2.53/28} 32. Kg1 {2.04/29}
Rgd8 {2.37/28} 33. Qh4+ {2.19/29} Kf7 {1.73/29} 34. Qd4 {1.89/27} a5 {2.89/28
2.89  34...Kg8 35.Kf2 Rc7 36.Ke3 Re7+ 37.Kd2 Re6 38.a3 a6 39.Kd1 Rc6 40.c4
Rdc8 41.cxd5 Rxc5 42.d6 Rf5 43.Ke2 Rf7 44.Qd5 Kf8 45.Qa5 Re8+ 46.Kd3 Rd7 47.
Qf5+ Rf7 48.Qd5 Rf1 49.Qc5 Rd8 50.d7+ Kf7 51.Qh5+ Kf6 52.Qh4+ g5 53.Qd4+ Ke6
54.Qg4+ Kf6  1.89} 35. Kh2 {2.72/32} Kg8 {2.47/28} 36. h4 {1.69/34 1.69  36.g4
Kh7 37.h4 Re8 38.g5 Rc6 39.Qd1 g6 40.Qxd5 Rce6 41.h5 R8e7 42.c6 Re5 43.Qc4 Re4
44.Qd3 Re2+ 45.Kh1 Re1+ 46.Kg2 R1e6 47.hxg6+ Kg7 48.Kf3 Rxc6 49.Kg4 Rxg6 50.
Qd4+ Kh7 51.Qd5 Rc7 52.Qxa5 Rgc6 53.Kh5 Rxc3 54.Qf5+ Kg8 55.Qe6+ Kg7 56.a4
R3c5 57.Qg6+ Kh8 58.Qd6 Rc8 59.Qd4+ Kg8 60.Qf6 R5c6 61.Qd4  2.47} Kh7 {2.28/26
2.28  36...Rf8 37.g4 Rf6 38.g5 Rfc6 39.Qe5 g6 40.Qxd5+ Kg7 41.Qe5+ Kh7 42.Qe7+
Kg8 43.Kg3 R8c7 44.Qe4 Kg7 45.h5 gxh5 46.Kh4 Rxc5 47.Kxh5 R7c6 48.Qe7+ Kg8 49.
a4 Rc7 50.Qd8+ Kf7 51.Qh8 R7c6 52.Qh7+ Ke8 53.Qe4+ Kf8 54.Qf4+ Kg7 55.Qd4+ Kf8
56.Qd7 Rc7 57.Qd6+ Ke8 58.Qg6+ Kf8 59.Qd3 Kg7 60.Qe4 Rxc3 61.Qe5+ Kf8 62.Qf5+
Rf7 63.Qxa5 Rh7+ 64.Kg4 Rc4+ 65.Kg3 Rd7  1.69} 37. a3 {1.31/32 1.31  37.g4 a4
2.28} Kg8 {2.63/28 2.63  37...Re8 38.Qxd5 Rf8 39.Qh5+ Kg8 40.c6 Rf6 41.c7 Rxc7
42.Qxa5 Rc8 43.a4 Kh8 44.c4 Rh6 45.g3 Rhc6 46.Qh5+ Kg8 47.Qd5+ Kh8 48.h5 Rc5
49.Qf7 R5c7 50.Qf5 Rc5 51.Qf3 Rxc4 52.h6 R4c5 53.hxg7+ Kxg7 54.Qd3 Rh8+ 55.Kg2
Rhh5 56.g4 Rhd5 57.Qe4 Kf7 58.Kg3 Re5  1.31} 38. a4 {1.69/31 1.69  38.g4 Kh7
39.a4 Re8 40.Qd3+ Re4 41.Qxd5 Rce8 42.h5 Re3 43.Qg5 R8e6 44.Qf5+ Kh8 45.Qd5
R6e5 46.Qd6 Re6 47.Qf4 Kh7 48.Kg2 Re1 49.Qc4 R6e4 50.Qd3 R1e3 51.Qd7 Re2+ 52.
Kg3 R4e3+ 53.Kf4 Rxc3 54.Qf5+ Kh8 55.Kg5 Rce3 56.Qd7 Re7 57.Qd8+ Re8 58.Qxa5
R2e5+ 59.Kf4 Re4+ 60.Kg3 Rc4  2.63} Kf8 {3.92/27 3.92  38...Rf8 39.g4 Rf6 40.
g5 Rfc6 41.Qe5 g6 42.Qxd5+ Kf8 43.Kg3 R8c7 44.Qe5 Kg8 45.Qe8+ Kg7 46.h5 gxh5
47.Qe5+ Kg6 48.Kh4 Rxc5 49.Qf6+ Kh7 50.Kxh5 Kg8 51.Qe6+ Kf8 52.Qd6+ Ke8 53.
Qg6+ Kf8 54.Qd3 Kg7 55.Qe4 R7c6 56.Qd4+ Kf8 57.Qd7 Rc7 58.Qd8+ Kf7 59.Qd4 Rxc3
60.Qd5+ Kf8 61.Qxa5  1.69} 39. Kg3 {1.65/31 1.65  39.h5 Kg8 40.g4 Kh7 41.Kg3
Re8 42.Qxd5 Kh8 43.h6 gxh6 44.Qd4+ Kh7 45.Qd7+ Kg6 46.c6 Kf6 47.Qd6+ Kf7 48.
Qxh6 Rh8 49.Qf4+ Ke6 50.Qf5+ Kd6 51.Qd7+ Kc5 52.c7 Rhg8 53.Kf4 Kb6 54.Qd6+ Kb7
55.g5 Rgf8+ 56.Kg4 Rfe8 57.g6 Rxc7 58.Qd5+ Kc8 59.Qxa5 Re1 60.Qa6+ Kd7 61.Qb5+
Kc8 62.Kf5 Rd1 63.Qe8+ Rd8 64.Qe6+ Kb8 65.Qe5 Kc8 66.g7  3.92} Kg8 {1.95/29}
40. c4 {0.53/40 0.53  40.Kh3 Kh8 41.h5 Kh7 42.Kh4 Re8 43.Qxd5 Rc7 44.c6 Kh8 45.
g4 Rec8 46.Qxa5 Rxc6 47.Qe5 Rc5 48.Qe4 Rc4 49.Qe7 R4c5 50.Qe6 R5c6 51.Qf7 R6c7
52.Qg6 Rc6 53.Qg5 Rc5 54.Qe7 Rxc3 55.h6 gxh6 56.Qf6+ Kh7 57.Qf5+ Kg8 58.Qg6+
Kf8 59.Qxh6+ Ke7 60.a5 R3c6 61.Qg7+ Kd8  1.95} dxc4 {0.53/36} 41. Qxc4+ {
0.53/36} Kh7 {0.67/27 0.67  41...Kh8 42.h5 Rd6 43.Kh4 Rdc6 44.g4 Rxc5 45.Qa6
R8c6 46.Qa7 Kh7 47.Qd7 Kh8 48.Qd8+ Kh7 49.Qd4 Kg8 50.Qd3 Kh8 51.Qd2 Kg8 52.Qd4
Kh7 53.Qe3 Kg8 54.Qb3+ Rc4 55.Qb5 R4c5 56.Qb8+ Rc8 57.Qa7 Kh7 58.Qb6 R8c6 59.
Qb3 Kh8 60.Qb8+ Rc8 61.Qb6 R8c7 62.Qe6  0.53} 42. c6 {0.43/31 0.43  42.h5 Rc7
43.Qc2+ Kh8 44.h6 gxh6 45.Qc3+ Kh7 46.Qxa5 Rdc8 47.Qb5 Rxc5 48.Qd7+ Kh8 49.Kh4
R8c7 50.Qd6 R5c6 51.Qd8+ Kg7 52.a5 Kh7 53.Qa8 Rc8 54.Qa7+ R8c7 55.Qf2 Rg6 56.
g4 Kg8 57.Qd4 Rcc6 58.Kg3 Rgf6 59.Qd5+ Kg7 60.Kh4 Rg6 61.Qe5+ Kf7 62.Kg3 Rgf6
0.67}) ({Stockfish 020316 64 BMI2:} 18... Kxh7 19. Rxf1 Qd7 20. Ng5+ Kg8 21.
Qh5 fxg5 22. Bxg7 Kxg7 23. Qxg5+ Kh8 24. Rf4 Qh7 25. Rh4 Qxh4 26. Qxh4+ Kg8 27.
Qg5+ Kf8 28. Qf5+ Kg7 29. Qg4+ Kf8 30. c4 Nc6 31. cxd5 Nd8 32. d6 a5 33. Qf5+
Nf7 34. Kf2 Kg7 35. Qg4+ Kf6 36. h4 Rh8 37. h5 Rag8 38. Qf4+ Kg7 39. g4 Rd8 40.
Kg3 Rh6 {20.98/28} 41. Qe4 {9.23/28 9.23  41.g5  20.98} Nxd6 {123.39/38 123.39
41...Kg8 42.d7  9.23} 42. Qe5+ {123.39/35} Kf8 {123.39/41} 43. cxd6 {123.39/37}
Rhxd6 {123.45/41} 44. h6 {123.45/37} Rxd4 {#7/77 #7  44...Rxh6 45.Qf4+ Ke7 46.
Qxh6 a4 47.Qg7+ Kd6 48.Qxb7 Re8 49.Qb4+ Kc7 50.Qc5+ Kd8 51.Qd6+ Kc8 52.Qc6+
Kd8 53.Qxe8+ Kxe8  123.45} 45. Qg7+ {#6/1} Ke8 {#6/107} 46. Qxb7 {123.39/27
123.39  46.h7 Rxg4+ 47.Kxg4 Rd4+ 48.Qxd4 Ke7 49.h8Q b6 50.Qhg7+ Ke6 51.Qde5#
#6}) 19. Rxf1 {3.43/33} ({Komodo 9.3 64-bit:} 19. Rxf1 {3.18/34} Qd7 {3.12/33}
20. Qh5+ {3.03/4} Kg8 {3.13/33} 21. Nh4 {3.01/34} Qe6 {2.98/31} 22. h3 {2.84/35
} Nd7 {2.78/31} 23. Ng6 {2.60/29} b6 {6.43/28 6.43  23...Rac8 24.Qh8+ Kf7 25.
Qh7 Rc6 26.Nf4 Qe7 27.Nxd5 Qf8 28.Bd6 Rxd6 29.Qh5+ g6 30.Qh7+ Qg7 31.Qxg7+
Kxg7 32.cxd6 f5 33.Nc7 Re4 34.Rb1 b6 35.Kf2 Kf7 36.Kf3 Nf6 37.Rb5 Nd7 38.g4
Kf6 39.Nd5+ Ke6 40.Nf4+ Kxd6 41.Nxg6 Re6 42.gxf5 Re1 43.c4 Rf1+ 44.Kg3 Rd1 45.
Ne5 Kc7 46.Nxd7 Rd3+ 47.Kf2 Kxd7 48.Rb3 Rd2+ 49.Ke3 Rxa2  2.60} 24. Qh8+ {
2.71/4 2.71  24.g4 bxc5 25.g5 Nxe5 26.Qh8+ Kf7 27.Nxe5+ Qxe5 28.Qh5+ Kg8 29.
dxe5 Rxe5 30.Rxf6 Rf8 31.Rxf8+ Kxf8 32.Qg6 Kg8 33.Kf2 d4 34.cxd4 cxd4 35.Qd6
Rf5+ 36.Ke2 d3+ 37.Kd2 Rf2+ 38.Kxd3 Kh7 39.Qe6 Rf8 40.Ke3 a5 41.Ke4 Rf1 42.Kd4
6.43} Kf7 {2.72/35} 25. Qh7 {2.78/34} bxc5 {2.76/34} 26. Nf4 {2.72/32} Qa6 {
2.79/29} 27. Nh5 {2.72/35} Rg8 {2.72/33} 28. Bxf6 {2.75/33} Qxf1+ {2.71/26} 29.
Kxf1 {2.71/33} Nxf6 {2.65/31} 30. Nxf6 {2.59/31} Kxf6 {2.51/30} 31. dxc5 {
2.42/30} Rac8 {2.44/25} 32. Kg1 {2.10/28} Rgd8 {2.34/28} 33. Qh4+ {2.32/31} Kf7
{2.29/27} 34. Qf4+ {0.74/29 0.74  34.Qd4 Kf8 35.a4 Re8 36.Qxd5 Red8 37.Qg5 Rd7
38.Qf5+ Ke7 39.Qg4 Kd8 40.Qh4+ Re7 41.Qg5 Rc6 42.g4 Rce6 43.Qd5+ Kc7 44.h4 Rc6
45.h5 Rd7 46.Qe5+ Kb7 47.g5 Rdc7 48.Qe4 Kb8 49.Qf4 Rxc5 50.h6 gxh6 51.gxh6 Rc4
52.Qg5  2.29} Ke8 {2.05/26 2.05  34...Kg8 35.Qd4 Rf8 36.Qxd5+ Kh8 37.Qh5+ Kg8
38.Qe5 Rf6 39.Qe7 a5 40.Qa7 Rfc6 41.Qxa5 Rxc5 42.Qb6 Rxc3 43.a4 R3c6 44.Qb5
R6c7 45.Qa5 Kh8 46.Qh5+ Kg8 47.Qf5 Rc5 48.Qe4 Kh8 49.Qh4+ Kg8 50.Qb4 R5c7 51.
Qe4 Kh8 52.Qg4 Kg8 53.a5 Ra8 54.Qe6+ Kh8  0.74} 35. Qe3+ {1.18/34 1.18  35.Qf5
a6 36.Qe5+ Kf8 37.Qd4 Kg8 38.Kf2 Rc7 39.c4 Rf8+ 40.Ke3 dxc4 41.Qxc4+ Kh8 42.
Qh4+ Kg8 43.Qd4 Re8+ 44.Kd3 Rec8 45.Qd5+ Kf8 46.Kd4 Rc6 47.Kc4 Rf6 48.g4 Rf4+
49.Kc3 Rf6 50.Kd4 Rfc6 51.Qf5+ Ke7 52.Qg5+ Kf8 53.Qf4+ Rf6  2.05} Kf8 {1.06/31}
36. Qd4 {1.04/31} Kg8 {2.05/25 2.05  36...Re8 37.Qxd5 Red8 38.Qg5 Kg8 39.Qe7
Re8 40.Qd7 Red8 41.Qxa7 Rd5 42.a4 Rdxc5 43.a5 Rxc3 44.Qb7 Rc1+ 45.Kh2 R1c7 46.
Qb6 Rc6 47.Qb5 R6c7 48.Qf5 Rf8 49.Qe6+ Kh8 50.Qa6 Rfc8 51.Qb6 Rc6 52.Qb5 R6c7
53.Qa6 Rc3 54.Kg1 R3c7 55.Qb6 Rc3 56.a6 Ra3 57.Qb5 Rc1+ 58.Kh2 Rca1 59.Qh5+
Kg8 60.Qe8+ Kh7  1.04} 37. a4 {1.14/29 1.14  37.g4 Kh7 38.Kg2 Rf8 39.Qd3+ Kh8
40.Qxd5 Rf6 41.g5 Rfc6 42.Qe4 g6 43.Kf2 R8c7 44.Ke3 Kh7 45.Qh4+ Kg7 46.Kd3
Rxc5 47.Qh6+ Kf7 48.Qh7+ Kf8 49.Qh8+ Ke7 50.Qf6+ Kd7 51.Qxg6 Rxc3+ 52.Kd2 R3c6
53.Qf7+ Kd6  2.05} a5 {2.54/26 2.54  37...Rf8 38.Qxd5+ Kh8 39.Qh5+ Kg8 40.h4
Rf6 41.Qd5+ Kh7 42.Qe4+ Kh8 43.Qb7 Rxc5 44.Qxa7 Rxc3 45.Qa8+ Kh7 46.Qe4+ Kh8
47.Qe8+ Kh7 48.Qh5+ Kg8 49.Qd5+ Kh8 50.Qd8+ Kh7 51.Qe8 Rcc6 52.Qh5+ Kg8 53.Qb5
Rc8 54.h5 Kh8 55.Qb7 Rc1+ 56.Kh2 Rc5 57.g4 Ra5 58.Qc8+ Kh7 59.Qd7  1.14} 38.
Kh2 {1.62/28 1.62  38.Kf2 Rc7 39.c4 Rdc8 40.cxd5 Rxc5 41.d6 Rf5+ 42.Ke3 Re8+
43.Kd3 Rd8 44.Qc4+ Kf8 45.Qe6 Rf7 46.Kd4 Re8 47.Qd5 Rd8 48.Qe5 Kg8 49.Qe6 Kf8
50.Kd5 Re8 51.Qg4 Rd8 52.Kc5 Rfd7 53.Qf5+ Rf7 54.Qe5 Rc8+ 55.Kd4 Rd8 56.Kd5
Re8 57.Qh5 Rd7  2.54} Kf7 {3.64/34 3.64  38...Kh8 39.g4 Re8 40.c4 dxc4 41.g5
c3 42.Qh4+ Kg8 43.Qc4+ Kh7 44.Qxc3 g6 45.Qxa5 Re2+ 46.Kh1 Rce8 47.Qb4 Rc2 48.
Kg1 Re7 49.a5 Rc1+ 50.Kf2 Rc7 51.Qh4+ Kg8 52.Qa4 R1xc5 53.h4 Rc2+ 54.Ke3 R2c6
55.Qb5 Rc5 56.Qb4 Rc4 57.Qb6 Kh7 58.h5 gxh5 59.Qh6+ Kg8 60.Qg6+ Kf8 61.Qf6+
Ke8 62.g6 Rg4  1.62} 39. h4 {2.77/30} Kf8 {4.33/31 4.33  39...Kg6 40.g4 Kh7 41.
Kg3 Re8 42.Qd3+ Kh8 43.Qf5 Re3+ 44.Kf4 Re4+ 45.Kf3 Rd8 46.h5 Rde8 47.Qxd5 R4e6
48.Kg3 Re5 49.Qd7 R5e7 50.Qd6 Re6 51.Qc7 R6e7 52.Qxa5 Rc8 53.Qb4 Rec7 54.a5
Rxc5 55.h6 gxh6 56.a6 Rxc3+ 57.Kh4 R3c7 58.Qb2+ Kg8 59.Qe5 Rf7 60.a7 Ra8 61.
Qb8+ Rf8 62.Qb6 Kf7  2.77} 40. Kg3 {1.70/32 1.70  40.h5 Kg8 41.g4 Re8 42.g5
Kh7 43.g6+ Kh6 44.Kg3 Kxh5 45.c4 dxc4 46.Qg4+ Kh6 47.Kh4 Rxc5 48.Qf4+ Kxg6 49.
Qd6+ Kf5 50.Qxc5+ Re5 51.Qc8+ Kg6 52.Qxc4 Rh5+ 53.Kg4 Rg5+ 54.Kf4 Rf5+ 55.Ke4
Rh5 56.Qe6+ Kh7 57.Qf7 Kh6 58.Qe8 Rc5 59.Qf8 Rh5 60.Qh8+ Kg6 61.Qe8+ Kh6 62.
Kf3 Rf5+ 63.Kg4 Rg5+ 64.Kh4 Rf5 65.Qd8 Kh7 66.Qc7  4.33} Kg8 {1.93/28} 41. c4 {
0.51/36 0.51  41.Kh3 Kh8 42.h5 Kh7 43.Kh4 Re8 44.Qxd5 Rc7 45.c6 Kh8 46.Qxa5
Rxc6 47.g4 Rec8 48.Qg5 Rc5 49.Qe7 R5c7 50.Qe4 Rc4 51.Qe6 R4c6 52.Qd7 R6c7 53.
Qd4 Rc4 54.Qe5 R4c5 55.Qe1 Rxc3 56.h6 R3c6 57.hxg7+ Kxg7 58.Qe7+ Kg6 59.a5  1.
93} dxc4 {0.51/29}) ({Stockfish 020316 64 BMI2:} 19. Rxf1 {3.76/36} Qd7 {
4.17/30} 20. Qh5+ {4.13/1} Kg8 {4.13/32} 21. Ng5 {4.12/37} fxg5 {4.06/30} 22.
Bxg7 {4.05/35} Kxg7 {4.03/36} 23. Qxg5+ {3.96/35} Kh8 {3.96/33} 24. Rf4 {
3.79/35} Qh7 {3.89/34} 25. Rh4 {3.77/31} Qxh4 {3.83/32} 26. Qxh4+ {3.83/31} Kg7
{3.76/29} 27. Qg4+ {3.69/31} Kf8 {3.48/28} 28. c4 {3.27/28} Nc6 {4.16/26 4.16
28...Na6 29.Qf5+ Kg7 30.Qd7+ Kf6 31.Qxb7 Nxc5 32.dxc5 dxc4 33.Qb2+ Re5 34.Qd4
c3 35.Qf4+ Ke6 36.Qc4+ Kd7 37.Qd3+ Ke6 38.Qxc3 Rf8 39.Qb3+ Kf6 40.Qf3+ Rf5 41.
Qe4 Rc8 42.Qd4+ Re5 43.Qh4+ Kf7 44.Qf4+ Ke6 45.Qg4+ Rf5 46.Qg6+ Rf6 47.Qe4+
Kd7 48.h4 Rfc6 49.h5 Rxc5 50.h6 Rc1+ 51.Kh2 R1c6 52.Qd4+ Ke6 53.h7  3.27} 29.
cxd5 {4.08/28} Nd8 {3.98/26} 30. d6 {3.85/29} Nf7 {4.98/28 4.98  30...a5 31.
Qf5+  3.85} 31. Kf2 {4.65/28} Rad8 {5.02/26} 32. h4 {4.86/25} Nxd6 {5.27/30}
33. cxd6 {5.25/30} Rxd6 {5.27/29} 34. Qf3+ {5.03/29} Kg7 {5.18/28} 35. Qxb7+ {
5.15/29} Kg8 {5.07/26} 36. Qb3+ {4.58/28} Kg7 {5.20/24} 37. Qg3+ {5.10/27} Rg6
{5.09/27} 38. Qc7+ {4.91/29} Kg8 {4.85/24} 39. Qc4+ {4.71/24} Kh8 {4.84/27} 40.
Qd5 {4.59/26} Rge6 {7.75/25 7.75  40...a5 41.Qxa5 Rf8+ 42.Kg1 Rf7 43.a4 Rfg7
44.Qa8+ Kh7 45.a5 Rg4 46.a6 Rxd4 47.Qf3 Rdd7 48.Qf5+ Kg8 49.g4 Rd6 50.Qf4 Rdd7
51.Qb8+ Kh7 52.Qb1+ Kg8 53.g5 Ra7 54.Qf5 Rgf7 55.Qg6+ Kf8 56.Qd6+ Rfe7 57.Kg2
Rad7 58.Qf6+ Kg8 59.Kg3 Rd3+ 60.Kg4 Rdd7 61.Qg6+ Kf8  4.59} 41. Kf3 {6.26/28}
Rf8+ {6.59/28} 42. Kg4 {5.73/25} Rff6 {8.29/27 8.29  42...Rg8+ 43.Kh3 Re3+ 44.
Kh2 Rg7 45.g4 a6 46.Qf5 Re2+ 47.Kg3 Re3+ 48.Kf4 Re1 49.Qc8+ Rg8 50.Qxa6 Rg7 51.
Qc8+ Kh7 52.Qc2+ Kh8 53.g5 Rf7+ 54.Kg4 Rfe7 55.d5 R1e4+ 56.Kf5 Rd4 57.Qc8+ Kg7
58.Qc3 Rf7+ 59.Ke6 Rff4 60.h5 Kg8 61.h6 Rfe4+ 62.Kf5 Rf4+ 63.Kg6  5.73} 43. g3
{6.43/28 6.43  43.h5 Rd6 44.Qe5 Rde6 45.Qc7 Rb6 46.Kh4 Kg8 47.g4 Rbd6 48.Qb8+
Kf7 49.Qxa7+ Kf8 50.Kg5 Rf7 51.Qb8+ Ke7 52.Qc7+ Rd7 53.Qe5+ Kd8 54.Kg6 Rf8 55.
h6 Rg8+ 56.Kh5 Rf8 57.Qa5+ Ke8 58.g5 Rdf7 59.Qd5 Rf2 60.Qe6+ Kd8 61.Qd6+ Kc8
62.h7 R2f5  8.29} Kg7 {7.07/30} 44. h5 {6.05/29} Re2 {9.00/27 9.00  44...Rd6
45.Qe5  6.05}) 19... Nd7 {#7/76 #7  19...Qd7 20.Ng5+ Kg8 21.Qh5 fxg5 22.Bxg7
Kxg7 23.Qxg5+ Kh8 24.Rf4 Qh7 25.Rh4 Qxh4 26.Qxh4+ Kg8 27.Qg4+ Kf8 28.c4 Na6 29.
Qf5+ Kg7 30.Qd7+ Kf6 31.Qxb7 Nxc5 32.dxc5 dxc4 33.Qb2+ Re5 34.Qd4 c3 35.Qh4+
Kf7 36.Qf4+ Ke6 37.Qc4+ Kd7 38.Qd3+ Ke6 39.Qxc3 Re8 40.Qd4 Re7 41.h4 Rd5 42.
Qc4 Ke5 43.h5 Rd1+ 44.Kf2 Rd4 45.Qg8 Rdd7 46.c6 Rf7+ 47.Ke3 Rc7 48.Qd8 Rg7 49.
Qd4+ Ke6 50.Qe4+ Kd6  3.43} ({Komodo 9.3 64-bit:} 19... Qd7 {3.22/29 3.22  20.
Qh5+ Kg8 21.Ng5 Nf8 22.Qf7+ Kh8 23.Rf4 Ng6 24.Qxg6 Kg8 25.Qf7+ Kh8 26.Rh4#  #7}
20. Qh5+ {2.63/3} Kg8 {2.91/30}) ({Stockfish 020316 64 BMI2:} 19... Qd7 {
3.36/31 3.36  20.Qh5+ Kg8 21.Ng5 Nf8 22.Qf7+ Kh8 23.Rf4 Ng6 24.Qxg6 Kg8 25.
Qf7+ Kh8 26.Rh4#  #7} 20. Qh5+ {3.22/1}) 20. Qh5+ {#6/1} ({Komodo 9.3 64-bit:}
20. Qh5+ {#6/1} Kg8 {#6/127} 21. Ng5 {#5/127} Nf8 {#5/127} 22. Qf7+ {#4/1} Kh8
{#4/127} 23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+
{#1/1} Kh8 {#1/127} 26. Rh4# {#7/22}) ({Stockfish 020316 64 BMI2:} 20. Qh5+ {
#6/1} Kg8 {#6/127} 21. Ng5 {#5/127} Nf8 {#5/127} 22. Qf7+ {#4/1} Kh8 {#4/127}
23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1}
Kh8 {#1/127} 26. Rh4# {#7/71}) 20... Kg8 {#6/113} ({Komodo 9.3 64-bit:} 20...
Kg8 {#6/125} 21. Ng5 {#5/127}) ({Stockfish 020316 64 BMI2:} 20... Kg8 {#6/127})
21. Ng5 {#5/119} ({Komodo 9.3 64-bit:} 21. Ng5 {#5/127} Nf8 {#5/121} 22. Qf7+ {
#4/1} Kh8 {#4/127} 23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127}
25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {#6/24}) ({Stockfish 020316 64 BMI2:} 21.
Ng5 {#5/127} Nf8 {#5/127} 22. Qf7+ {#4/1} Kh8 {#4/127} 23. Rf4 {#3/127} Ng6 {
#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {
#6/109}) 21... Nf8 {#5/123} ({Komodo 9.3 64-bit:} 21... Nf8 {#5/127} 22. Qf7+ {
#4/1} Kh8 {#4/127} 23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127}
25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {#5/29}) ({Stockfish 020316 64 BMI2:}
21... Nf8 {#5/127} 22. Qf7+ {#4/1} Kh8 {#4/127} 23. Rf4 {#3/127} Ng6 {#3/127}
24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {#5/108})
22. Qf7+ {#4/1} ({Komodo 9.3 64-bit:} 22. Qf7+ {#4/1} Kh8 {#4/127} 23. Rf4 {
#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1} Kh8 {#1/127
} 26. Rh4# {#5/27}) ({Stockfish 020316 64 BMI2:} 22. Qf7+ {#4/1} Kh8 {#4/127}
23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1}
Kh8 {#1/127} 26. Rh4# {#5/95}) 22... Kh8 {#4/118} ({Komodo 9.3 64-bit:} 22...
Kh8 {#4/126} 23. Rf4 {#3/127}) ({Stockfish 020316 64 BMI2:} 22... Kh8 {#4/127})
23. Rf4 {#3/127} ({Komodo 9.3 64-bit:} 23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {
#2/127} Kg8 {#2/127} 25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {#4/60}) ({
Stockfish 020316 64 BMI2:} 23. Rf4 {#3/127} Ng6 {#3/127} 24. Qxg6 {#2/127} Kg8
{#2/127} 25. Qf7+ {#1/1} Kh8 {#1/127} 26. Rh4# {#4/127}) 1-0

[/pgn]
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