Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO C88
W=26.7 plies; 4,134kN/s; Perfect2015s.ctg
B=24.9 plies; 8,274kN/s; 4,844,344 TBAs; Perfect2015s.ctg
Move 28 marks a sudden drop in Nirvanachess 2.1c's eval from -0.92 to -2.18...a good example of how Komodo finds play "where there is nothing to play".
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.25"]
[Round "2.2"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Komodo 9 64-bit"]
[Result "0-1"]
[ECO "C88"]
[Annotator "0.00;0.14"]
[PlyCount "78"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz W=26.7 plies; 4,134kN/s;
Perfect2015s.ctg B=24.9 plies; 8,274kN/s; 4,844,344 TBAs; Perfect2015s.ctg} 1.
e4 {B 0} e5 {B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0} Nf6
{B 0} 5. O-O {B 0} Be7 {B 0} 6. Re1 {B 0} b5 {B 0} 7. Bb3 {B 0} O-O {B 0} 8. h3
{B 0} Bb7 {B 0} 9. Nc3 {0.00/26 45} d6 {0.14/25 54 (Be7-d6)} 10. Nd5 {0.00/26
30 (d2-d3)} Na5 {0.14/28 33} 11. Nxe7+ {0.00/26 54} Qxe7 {0.13/27 10} 12. d3 {
-0.10/28 40} Nxb3 {0.13/27 14} 13. axb3 {-0.08/29 34} Nd7 {0.12/23 10} 14. b4 {
-0.08/26 63 (Nf3-d2)} f5 {0.02/21 16} 15. c3 {-0.11/26 50 (Qd1-e2)} fxe4 {-0.
07/22 24} 16. Qb3+ {-0.06/25 37 (d3xe4)} d5 {-0.23/24 47 (Kg8-h8)} 17. dxe4 {
-0.27/27 52 (Re1xe4)} Rxf3 {-0.51/22 9 (Qe7-e6)} 18. gxf3 {-0.14/25 21} Qh4 {
-0.18/24 34 (Qe7-e6)} 19. Kg2 {-0.20/25 19} Nb6 {-0.25/26 35} 20. exd5 {0.00/
26 27} Qh5 {-0.26/26 49} 21. Qd1 {-0.25/26 21} Bxd5 {-0.28/24 15} 22. c4 {-0.
42/27 42} Be6 {-0.22/26 27} 23. cxb5 {-0.43/26 17 (h3-h4)} Bxh3+ {-1.67/22 13}
24. Kg3 {-0.88/27 38} Bd7 {-1.99/24 22} 25. Rh1 {-0.92/29 22 (Kg3-g2)} Qg6+ {
-1.96/24 13} 26. Kh2 {-0.92/31 21} Rf8 {-2.18/26 19} 27. Rxa6 {-0.92/31 20
(Qd1-f1)} Be6 {-2.71/25 24 (Qg6-h5+)} 28. Qf1 {-2.30/25 26} Rf6 {-2.90/26 27}
29. Qg2 {-2.71/26 14} Qf7 {-3.34/26 30} 30. Bg5 {-2.84/27 18 (Qg2-g5)} Rg6 {-3.
39/25 18} 31. Re1 {-3.51/27 25} h6 {-3.87/27 55} 32. Rxe5 {-3.47/27 12} hxg5 {
-4.19/25 24} 33. Kg1 {-3.73/27 23} Qf6 {-4.26/26 18} 34. Qg3 {-3.83/27 12} g4 {
-4.48/25 14 (Rg6-h6)} 35. f4 {-4.15/23 9} Rh6 {-4.64/25 14} 36. Ra1 {-4.48/24
24} Bd5 {-5.17/27 46} 37. Rxd5 {-4.73/26 17} Nxd5 {-6.70/27 160} 38. Ra6 {-4.
88/27 22 (Ra1-a8+)} Nb6 {-7.23/24 14} 39. Ra1 {-4.88/29 27} Qe6 {-7.78/23 15
(Nb6-d5)} 0-1

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO D47
W=27.0 plies; 4,599kN/s; Perfect2015s.ctg  
B=21.7 plies; 9,374kN/s; Perfect2015s.ctg
Gull 2.8 beta plays a seemingly quiet Qd3 at move 43 after which locks in the rook. So quiet yet crushing.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.25"]
[Round "1.5"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Gull 2.8 beta x64 BMI2"]
[Result "0-1"]
[ECO "D47"]
[Annotator "0.21;0.20"]
[PlyCount "106"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=27.0 plies; 4,599kN/s;
Perfect2015s.ctg  B=21.7 plies; 9,374kN/s; Perfect2015s.ctg} 1. d4 {B 0} Nf6 {
B 0} 2. c4 {B 0} e6 {B 0} 3. Nf3 {B 0} c6 {B 0} 4. Nc3 {B 0} d5 {B 0} 5. e3 {
B 0} Nbd7 {B 0} 6. Bd3 {B 0} dxc4 {B 0} 7. Bxc4 {B 0} b5 {B 0} 8. Bd3 {B 0} Bb7
{B 0} 9. O-O {0.21/24 75} Bd6 {0.20/18 13} 10. Ng5 {0.21/24 72 (Bc1-d2)} O-O {
0.13/19 49} 11. Bd2 {0.15/25 83 (Nc3-e4)} Be7 {0.00/21 51 (a7-a5)} 12. Qc2 {0.
07/23 28} g6 {-0.04/21 55 (h7-h6)} 13. a3 {0.08/24 42 (Ng5-f3)} a5 {-0.10/20
65 (a7-a6)} 14. Nf3 {0.07/21 84 (Rf1-d1)} Rc8 {-0.07/22 60} 15. Be2 {0.28/23 62
} b4 {-0.07/20 0 (Qd8-b6)} 16. axb4 {0.10/26 25} axb4 {-0.07/20 0} 17. Na4 {0.
12/27 18} c5 {-0.14/21 12} 18. dxc5 {0.00/28 23} Be4 {0.00/21 45 (Nf6-d5)} 19.
Qc4 {0.00/26 28} Nxc5 {0.00/22 23} 20. Bxb4 {0.14/27 15} Bd5 {0.00/23 35
(Nc5xa4)} 21. Qf4 {0.00/27 19} Nh5 {0.00/22 0} 22. Qg4 {0.14/27 18} Nf6 {0.00/
24 29} 23. Qh3 {0.00/28 19 (Qg4-f4)} Nxa4 {-0.17/21 14} 24. Rxa4 {0.12/27 22}
Rc2 {-0.17/22 46} 25. Bc3 {0.00/26 14} Rxe2 {-0.10/22 48 (Qd8-d7)} 26. Nd4 {-0.
15/25 12} Rxf2 {-0.10/21 0} 27. Rxf2 {0.00/26 14} Ne4 {-0.18/22 41} 28. Rf1 {
-0.14/26 18} Qb6 {-0.18/20 0} 29. Qh6 {-0.19/28 20 (Nd4-e2)} f6 {-0.19/20 32
(Ne4xc3)} 30. Qh3 {-0.17/25 19} f5 {-0.27/21 50} 31. Ne2 {-0.23/26 20} Qb5 {-0.
18/21 39 (Rf8-c8)} 32. Ra7 {-0.27/23 11} Rf7 {-0.03/22 59} 33. Nd4 {-0.24/24 9
(Ne2-f4)} Qc5 {-0.34/20 18 (Qb5-d3)} 34. Raa1 {-0.10/24 19} Bg5 {-0.38/22 38}
35. Ra5 {-0.09/26 13} Qc4 {-0.46/21 54} 36. Re1 {-0.54/26 23} Bf6 {-0.46/21 21}
37. Rb5 {-0.62/26 21 (Qh3-h6)} Rf8 {-0.58/19 21 (Ne4xc3)} 38. Ra5 {-0.64/25 30}
h5 {-0.53/21 43 (f5-f4)} 39. Rea1 {-0.77/25 28} Rc8 {-0.85/23 98 (h5-h4)} 40.
R5a4 {-0.70/26 23 (Ra5-a3)} Qd3 {-1.33/18 7} 41. R4a3 {-1.69/27 53} Nxc3 {-1.
61/19 9} 42. Rxc3 {-1.68/29 59} Rxc3 {-1.93/22 22} 43. bxc3 {-1.73/31 39} h4 {
-1.85/22 9} 44. Rf1 {-1.73/32 31} Bg5 {-1.85/22 2 (Qd3xc3)} 45. Re1 {-2.45/29
35} Qxc3 {-1.85/22 11} 46. Kf1 {-2.56/31 44} Bc4+ {-1.93/22 4 (Bg5-f6)} 47. Ne2
{-2.96/28 32} Qd3 {-1.85/20 0} 48. Kf2 {-3.21/30 39} e5 {-2.49/24 23} 49. e4 {
-3.91/31 57} Bd2 {-2.73/25 23} 50. Qxd3 {-4.45/32 38} Bxe1+ {-2.81/29 21} 51.
Kxe1 {-4.76/33 35} Bxd3 {-2.73/27 0} 52. Nc3 {-4.92/34 45} Bxe4 {-2.89/29 12}
53. Kf2 {-5.07/34 38 (Nc3xe4)} Ba8 {-3.13/23 11 (Kg8-f7)} 0-1

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO E97
W=24.1 plies; 5,412kN/s; Perfect2015s.ctg
B=25.8 plies; 4,184kN/s; Perfect2015s.ctg
After move 27. Re7, Nirvanachess 2.1c gains a rook advantage in a RRQ endgame.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.26"]
[Round "2.11"]
[White "Sting SF 5 64bit"]
[Black "Nirvanachess 2.1c (popcount)"]
[Result "0-1"]
[ECO "E97"]
[Annotator "1.05;0.57"]
[PlyCount "76"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz W=24.1 plies; 5,412kN/s;
Perfect2015s.ctg B=25.8 plies; 4,184kN/s; Perfect2015s.ctg} 1. c4 {B 0} Nf6 {
B 0} 2. d4 {B 0} g6 {B 0} 3. Nc3 {B 0} Bg7 {B 0} 4. e4 {B 0} d6 {B 0} 5. Nf3 {
B 0} O-O {B 0} 6. Be2 {B 0} e5 {B 0} 7. O-O {B 0} Nc6 {B 0} 8. d5 {B 0} Ne7 {
B 0} 9. Re1 {1.05/21 30} Nh5 {0.57/23 73 (c7-c5)} 10. Bd2 {0.92/23 47} Nf4 {0.
60/24 35 (Bc8-d7)} 11. Bxf4 {0.96/23 26} exf4 {0.74/26 69} 12. Qd2 {1.01/23 34}
Bh6 {0.81/24 39} 13. Rad1 {1.01/23 42 (h2-h3)} g5 {0.30/24 43 (Bc8-g4)} 14. e5
{0.80/24 24 (Nf3-d4)} g4 {0.15/24 25} 15. exd6 {0.68/26 34} cxd6 {0.14/27 29
(Qd8xd6)} 16. Nd4 {0.96/24 32} Ng6 {0.07/28 55} 17. Bd3 {0.84/25 27} Qh4 {0.07/
28 51} 18. f3 {0.60/24 86 (Qd2-c2)} g3 {0.15/27 43 (Ng6-e5)} 19. h3 {0.76/25 44
} Bg7 {0.00/27 43} 20. Bxg6 {0.68/26 78} hxg6 {0.15/28 41} 21. Ndb5 {0.68/25
51 (Nc3-e4)} Rd8 {0.00/28 48} 22. Ne4 {0.80/25 69} Bf8 {0.00/29 20 (Bg7-e5)}
23. Qc3 {0.68/22 26 (Qd2-d4)} Bg7 {0.00/28 12} 24. Qb4 {0.76/25 27 (Qc3-d2)}
Bxh3 {0.00/26 22 (Bg7-f8)} 25. gxh3 {0.00/24 29} f5 {0.00/27 18} 26. Nbxd6 {0.
00/25 34} Qxh3 {0.00/25 18 (f5xe4)} 27. Re2 {-0.84/25 49} fxe4 {-1.02/26 24}
28. Nxe4 {-1.25/25 49} Rf8 {-0.84/27 17} 29. Qxb7 {-1.17/26 22 (Qb4-d6)} Rab8 {
-1.69/25 14} 30. Qe7 {-1.17/26 34 (Qb7-c6)} Rbe8 {-2.43/24 12} 31. d6 {-1.01/
26 14} Qh6 {-2.48/26 20 (Qh3-h8)} 32. Qb7 {-2.50/22 17} Re5 {-2.78/26 13} 33.
d7 {-2.66/23 16} Rh5 {-3.73/26 21} 34. Nxg3 {-3.23/25 27 (Qb7-d5+)} fxg3 {-3.
71/24 8} 35. f4 {-3.35/25 19} Bf6 {-3.71/25 9} 36. Re8 {-4.29/24 41} Bd8 {-3.
79/26 15} 37. Rxd8 {-5.13/21 11 (Rd1-d4)} Rxd8 {-5.24/23 9} 38. Qf3 {-7.91/21
12} Rc5 {-5.67/24 15 (Kg8-g7)} 0-1

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO A29
W=26.3 plies; 4,636kN/s; Perfect2015s.ctg
B=20.4 plies; 8,832kN/s; Perfect2015s.ctg
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.27"]
[Round "5.5"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Gull 2.8 beta x64 BMI2"]
[Result "1-0"]
[ECO "A29"]
[Annotator "0.22;0.08"]
[PlyCount "101"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz W=26.3 plies; 4,636kN/s;
Perfect2015s.ctg B=20.4 plies; 8,832kN/s; Perfect2015s.ctg} 1. c4 {B 0} e5 {
B 0} 2. Nc3 {B 0} Nf6 {B 0} 3. Nf3 {B 0} Nc6 {B 0} 4. g3 {B 0} Bb4 {B 0} 5. Bg2
{B 0} O-O {B 0} 6. Nd5 {B 0} Bc5 {B 0} 7. O-O {B 0} d6 {B 0} 8. d3 {B 0} h6 {
0.08/21 38} 9. e3 {0.22/23 74 (a2-a3)} Bf5 {0.15/21 36 (a7-a5)} 10. d4 {0.28/
25 51 (a2-a3)} Bb6 {0.23/20 28} 11. b3 {0.40/25 44} e4 {0.20/21 57 (Rf8-e8)}
12. Nxf6+ {0.44/25 33 (Nf3-d2)} Qxf6 {0.29/20 26} 13. Nd2 {0.34/26 25} Rae8 {
0.33/21 46 (Qf6-g6)} 14. Bb2 {0.46/27 39} Qe7 {0.33/22 45 (Qf6-g6)} 15. a3 {0.
48/24 24 (Qd1-c2)} Nb8 {0.25/21 41} 16. b4 {0.47/25 21} c6 {0.25/21 16} 17. Qa4
{0.42/24 51 (c4-c5)} a6 {0.19/20 14} 18. Qb3 {0.31/23 29 (d4-d5)} Nd7 {0.14/20
31} 19. a4 {0.49/24 49} Bc7 {0.16/21 75 (Bb6-d8)} 20. a5 {0.43/22 21} Rb8 {0.
16/21 95 (Bf5-g6)} 21. b5 {0.69/23 32 (d4-d5)} Rfe8 {0.16/20 32 (a6xb5)} 22. b6
{0.66/26 29} Bd8 {0.34/21 29} 23. f3 {0.66/28 26} exf3 {0.34/20 0} 24. Rxf3 {
0.66/29 15} Qg5 {0.43/22 156 (Bf5-g6)} 25. Rf4 {0.59/23 15} Qg6 {0.56/20 44}
26. e4 {0.66/24 16} Be6 {0.48/21 22} 27. d5 {0.70/26 19} cxd5 {0.48/19 0} 28.
cxd5 {0.71/26 28} Bg4 {0.48/19 1} 29. Raf1 {0.80/26 23} Rc8 {0.44/20 32
(Bd8-e7)} 30. Qd3 {0.74/25 16 (e4-e5)} f6 {0.38/20 43} 31. Nc4 {0.89/27 18} Ne5
{0.56/20 11 (Nd7-c5)} 32. Bxe5 {0.80/24 18} dxe5 {0.56/20 2} 33. R4f2 {1.07/25
16} Be7 {0.56/19 0 (Rc8-c5)} 34. d6 {0.98/26 16} Be6 {0.78/21 22 (Be7-f8)} 35.
d7 {1.36/26 11} Bxd7 {0.78/20 0} 36. Qd5+ {1.50/26 10} Kh8 {1.12/21 32} 37.
Qxd7 {1.33/28 17} Rxc4 {1.12/21 1} 38. Bh3 {1.50/28 18} Rc3 {1.28/22 52
(Rc4-c5)} 39. Kh1 {2.10/26 33} Qf7 {1.43/19 49} 40. Qxb7 {2.31/27 23} Qh5 {1.
43/18 0} 41. Bf5 {2.60/29 35 (Qb7-d7)} Bc5 {1.85/20 26 (Rc3xg3)} 42. Rg2 {2.88/
30 49} Bd4 {2.11/22 107} 43. Qxa6 {3.00/32 54} Qf7 {2.11/21 0} 44. Rb2 {3.18/
32 66 (Qa6-b5)} Rc5 {1.82/19 29 (Re8-b8)} 45. Rbb1 {4.05/28 31 (Rb2-d2)} Qa2 {
3.19/21 97} 46. Rbc1 {4.32/29 29} Rxc1 {3.19/20 0 (Qa2xa5)} 47. Rxc1 {4.22/28
28} Qa3 {3.26/21 19 (Re8-g8)} 48. Qf1 {4.99/28 27} Qb4 {3.26/21 2 (Bd4-f2)} 49.
Qc4 {9.78/28 31 (Qf1-e1)} Qa3 {6.49/20 89} 50. Kg2 {11.47/27 25} Rd8 {6.49/18 0
} 51. Qc7 {12.29/29 27 (Kg2-h3)} 1-0

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO B90
W=29.2 plies; 6,638kN/s; Perfect2015s.ctg  
B=27.5 plies; 5,829kN/s; Perfect2015s.ctg
With Hannibal 1.5 a rook advantage, Nirvanachess 2.1c exchanges Queens for an astounding drop in eval from =0.00 to -2.54 with King Bishop.
Interestingly enough, the end position is actually a draw despite both engines favoring Black pieces heavily.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.28"]
[Round "8.9"]
[White "Hannibal 1.5 x64"]
[Black "Nirvanachess 2.1c (popcount)"]
[Result "0-1"]
[ECO "B90"]
[Annotator "0.21;0.06"]
[PlyCount "130"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=29.2 plies; 6,638kN/s;
Perfect2015s.ctg  B=27.5 plies; 5,829kN/s; Perfect2015s.ctg} 1. Nf3 {B 0} c5 {
B 0} 2. e4 {B 0} d6 {B 0} 3. d4 {B 0} cxd4 {B 0} 4. Nxd4 {B 0} Nf6 {B 0} 5. Nc3
{B 0} a6 {B 0} 6. Be3 {B 0} e5 {B 0} 7. Nb3 {B 0} Be6 {B 0} 8. f3 {B 0} Be7 {
B 0} 9. Qd2 {0.21/26 37} Nbd7 {0.06/26 53 (0-0)} 10. g4 {0.25/27 34} O-O {0.01/
26 47 (b7-b5)} 11. O-O-O {0.20/27 37} b5 {0.00/28 68 (Qd8-c7)} 12. g5 {0.38/27
32} Nh5 {0.00/25 49 (b5-b4)} 13. Nd5 {0.42/26 42} Bxd5 {-0.08/28 31} 14. exd5 {
0.42/25 0} f5 {0.00/28 34 (Qd8-c7)} 15. Rg1 {0.63/27 28 (g5xf6)} f4 {0.00/25
29 (Qd8-c7)} 16. Bf2 {0.52/25 28} Bxg5 {0.00/29 36} 17. Bh3 {0.53/26 36} Be7 {
0.00/28 35} 18. Na5 {0.44/26 35} Kh8 {0.00/29 20} 19. Nc6 {0.57/25 26} Qe8 {0.
00/29 45} 20. Kb1 {0.41/25 24} Nhf6 {0.00/29 18} 21. Be6 {0.48/25 27} Bd8 {0.
00/28 34} 22. Qb4 {0.12/25 179} Bc7 {0.00/30 28} 23. Rg5 {0.17/25 52 (h2-h4)}
Nb8 {0.00/28 32} 24. Na7 {0.23/26 27} g6 {0.00/28 16 (Qe8-d8)} 25. c4 {0.63/24
47 (h2-h4)} Nbd7 {0.06/26 14} 26. Nc6 {0.58/26 26} Nb8 {0.06/28 13 (b5xc4)} 27.
cxb5 {0.50/25 22 (Nc6-a7)} axb5 {0.00/24 13} 28. Qxb5 {0.50/24 0 (Nc6-a7)} Nxc6
{0.00/26 14} 29. Qxc6 {0.50/23 0} Qe7 {0.00/27 13 (Qe8xc6)} 30. Rg2 {0.50/24
39 (Rd1-c1)} Rfb8 {-0.21/27 31} 31. Bh4 {0.45/23 30 (Rd1-d3)} Kg7 {-0.22/23 12
(Bc7-d8)} 32. Qc2 {0.00/23 62 (Rd1-d3)} Bb6 {-0.63/23 18} 33. Qf5 {0.00/26 26
(b2-b3)} Be3 {-0.56/24 15} 34. Rd3 {0.00/24 26 (Be6-d7)} Rf8 {-0.86/23 10} 35.
a3 {-0.20/23 18} Qb7 {-0.71/23 13} 36. Bxf6+ {-0.20/22 0} Rxf6 {-0.38/25 28}
37. Qe4 {-0.36/29 31} Kh6 {-0.28/24 37 (Rf6-f8)} 38. Ka2 {-0.06/27 27 (Rg2-c2)}
Ra5 {-0.36/24 27 (Ra8-b8)} 39. h4 {0.00/27 27 (Rd3-b3)} Rc5 {-0.44/24 28
(Be3-d4)} 40. h5 {0.00/25 38 (Rd3-b3)} g5 {-0.11/28 24} 41. Rb3 {0.00/31 25
(b2-b4)} Qc7 {-0.40/27 35} 42. Qd3 {0.00/31 25 (Qe4-a4)} Bd4 {-0.08/29 113
(Rf6-f8)} 43. Rb4 {0.00/33 37} Qe7 {0.00/30 39 (Rc5-c1)} 44. Rb8 {0.06/28 27
(Qd3-b3)} Rxe6 {0.00/28 38 (Rf6-f8)} 45. dxe6 {0.00/28 33} Qxe6+ {-0.74/30 52}
46. Kb1 {0.00/32 24} Be3 {-0.80/32 28} 47. Rc2 {0.00/33 26} e4 {-0.57/33 67
(Qe6-d5)} 48. fxe4 {0.00/30 25} g4 {-0.84/32 65} 49. Rd8 {0.00/31 23} Rxc2 {-0.
71/29 26} 50. Kxc2 {0.00/30 0} Kg5 {-0.75/31 26 (Be3-c5)} 51. Rxd6 {0.00/30 225
} Qc8+ {-1.03/30 56} 52. Kb3 {0.00/29 22} Qg8+ {0.00/25 24} 53. Qd5+ {0.00/33
16} Qxd5+ {-2.54/26 23} 54. Rxd5+ {0.00/32 0} Kf6 {-3.26/28 19} 55. Kc2 {0.00/
38 16} g3 {-3.72/29 19} 56. Rf5+ {0.00/40 17} Ke6 {-3.79/31 35} 57. Rg5 {0.00/
42 19} Bf2 {-3.87/32 44} 58. Kd3 {0.00/42 23} f3 {-3.85/29 23} 59. Rxg3 {0.00/
44 20} Bxg3 {-3.85/29 27} 60. Ke3 {0.00/45 19} f2 {-3.93/29 23} 61. Ke2 {0.00/
45 19} Ke5 {-3.93/28 13} 62. b4 {0.00/43 24} Kxe4 {-4.14/24 14} 63. a4 {0.00/
45 24 (b4-b5)} Bd6 {-4.33/26 16 (Ke4-d5)} 64. h6 {-7.63/23 122 (Ke2xf2)} Bxb4 {
-4.61/26 17} 65. Kxf2 {-6.91/16 30} Kf4 {-4.76/29 31 (Bb4-c3)} 0-1

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO C89
W=27.1 plies; 5,796kN/s; Perfect2015s.ctg  
B=28.3 plies; 4,126kN/s; Perfect2015s.ctg
Sting SF 5 stumbles upon a rock solid position at move 39 resembling a pyramid. Unfortunately, Nirvanachess 2.1c could not find a solution.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.29"]
[Round "10.11"]
[White "Sting SF 5 64bit"]
[Black "Nirvanachess 2.1c (popcount)"]
[Result "1/2-1/2"]
[ECO "C89"]
[Annotator "0.48;0.37"]
[PlyCount "174"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=27.1 plies; 5,796kN/s;
Perfect2015s.ctg  B=28.3 plies; 4,126kN/s; Perfect2015s.ctg} 1. e4 {B 0} e5 {
B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0} Nf6 {B 0} 5. O-O
{B 0} b5 {B 0} 6. Bb3 {B 0} Be7 {B 0} 7. Re1 {B 0} O-O {B 0} 8. c3 {B 0} d5 {
B 0} 9. exd5 {0.48/25 41} Nxd5 {0.37/27 34} 10. Nxe5 {0.72/26 54} Nxe5 {0.48/
28 64} 11. Rxe5 {0.64/28 28} c6 {0.43/29 70} 12. Re1 {0.64/28 58} Bd6 {0.47/29
70} 13. d4 {0.72/28 59} Qh4 {0.47/29 36} 14. g3 {0.64/27 40} Qh3 {0.50/31 40}
15. Bxd5 {0.76/28 36} cxd5 {0.40/30 55} 16. Qf3 {0.64/28 26} Rb8 {0.48/29 52}
17. Nd2 {0.68/28 27} Rd8 {0.47/26 21 (b5-b4)} 18. Nb3 {0.68/29 39} Bf5 {0.44/
29 39} 19. Qxd5 {0.72/28 27 (Qf3-g2)} Bxg3 {0.53/26 16} 20. Qg2 {0.76/29 26}
Bd6 {0.57/28 43} 21. Qxh3 {0.68/29 34} Bxh3 {0.39/26 25} 22. Bg5 {0.64/29 29}
Rdc8 {0.45/28 20 (f7-f6)} 23. Bh4 {0.76/26 27} Rb6 {0.45/28 35} 24. Bg3 {0.76/
26 60} Bf8 {0.37/28 33} 25. Nd2 {0.68/26 53} Be6 {0.43/27 26} 26. a3 {0.76/26
49} a5 {0.40/26 11} 27. Ne4 {0.60/26 75 (Re1-e2)} Bb3 {0.38/25 16} 28. f3 {0.
68/26 24 (Ne4-d2)} f5 {0.33/24 11 (Bb3-d5)} 29. Nd2 {0.80/24 34} Bf7 {0.33/24
12 (Bb3-e6)} 30. Kf2 {0.92/25 19 (Ra1-c1)} Rbc6 {0.31/24 21 (g7-g6)} 31. Be5 {
0.96/24 26 (Ra1-c1)} b4 {0.38/23 10 (g7-g6)} 32. axb4 {0.76/25 15} axb4 {0.19/
25 12} 33. c4 {0.48/25 15 (Nd2-b1)} Bxc4 {0.12/23 8} 34. Nxc4 {0.64/26 33} Rxc4
{0.13/26 20} 35. Re2 {0.52/25 16} Rc2 {0.17/27 14 (g7-g5)} 36. Ra2 {0.64/25 16}
Rc1 {0.09/26 22 (b4-b3)} 37. Ra7 {0.84/23 16} Rd1 {0.00/25 18 (Rc8-e8)} 38. Ke3
{0.68/25 41 (Ra7-b7)} g6 {0.00/25 10} 39. f4 {0.68/26 12 (Ra7-d7)} Rf1 {0.00/
26 16} 40. Rb7 {0.68/26 20} Rcc1 {0.00/28 26} 41. Rd7 {0.56/27 36} Rcd1 {0.00/
31 40} 42. Rc7 {0.44/30 42 (Rd7-b7)} Bh6 {0.00/31 43 (Rf1-h1)} 43. Rc8+ {0.44/
30 48} Kf7 {0.00/34 46} 44. Rc6 {0.44/32 41 (Rc8-c7+)} Kg8 {0.00/30 30 (Bh6-f8)
} 45. Rb6 {0.44/31 33 (Rc6-c8+)} Bf8 {0.00/32 43} 46. Rb8 {0.44/32 93 (Rb6-b7)}
Kf7 {0.00/31 30} 47. Rb7+ {0.44/32 41} Kg8 {0.00/34 30} 48. Rd2 {0.44/29 27
(Rb7-c7)} Rde1+ {0.00/31 28} 49. Kd3 {0.16/33 105 (Rd2-e2)} Rc1 {0.00/31 35}
50. Rg2 {0.08/28 22 (d4-d5)} Rf3+ {0.00/28 36 (Rf1-d1+)} 51. Kd2 {0.44/30 25}
Rff1 {0.00/30 28} 52. Rb8 {0.36/31 87 (Kd2-e3)} Rfd1+ {0.00/28 30 (Kg8-f7)} 53.
Ke3 {0.44/29 62} Kf7 {0.00/30 28} 54. Rb6 {0.44/31 21 (Rb8-b7+)} Rf1 {0.00/28
26 (Rd1-e1+)} 55. Rb7+ {0.44/29 64} Kg8 {0.00/30 24} 56. Ra7 {0.44/28 19
(Rb7-b8)} Rcd1 {0.00/29 23 (Rf1-e1+)} 57. Ra8 {0.36/29 52 (Ra7-c7)} Kf7 {0.00/
29 23} 58. Rc2 {0.44/26 11 (Ra8-a7+)} Rfe1+ {0.00/27 25} 59. Re2 {0.28/28 11
(Ke3-f3)} Rf1 {0.00/29 29 (Re1xe2+)} 60. Ra7+ {0.44/29 13 (Re2-c2)} Kg8 {0.00/
31 19} 61. Rd7 {0.32/28 31 (Ra7-c7)} Rh1 {0.00/30 24 (Bf8-h6)} 62. Rc7 {0.32/
25 10 (Rd7-a7)} Rhg1 {0.00/28 17 (Rh1-f1)} 63. Rc8 {0.40/27 9 (Rc7-a7)} Kf7 {
0.00/30 24} 64. Rc6 {0.24/26 16 (Rc8-c7+)} Rgf1 {0.00/28 18 (Bf8-e7)} 65. Rc7+
{0.32/25 13} Kg8 {0.00/31 19} 66. Ra7 {0.28/27 9 (Rc7-c8)} Rh1 {0.00/29 14} 67.
Ra5 {0.32/27 9 (Ra7-a6)} Rhf1 {0.00/29 19 (Kg8-f7)} 68. Rb5 {0.24/27 12
(Ra5-a7)} Be7 {0.00/28 17 (Kg8-f7)} 69. Rd2 {0.24/26 12 (Rb5-b7)} Rde1+ {0.00/
28 14 (Rd1-c1)} 70. Kd3 {0.24/26 23 (Rd2-e2)} Rc1 {0.00/29 17} 71. Rg2 {0.24/
27 9 (Rb5-b7)} Rfd1+ {0.00/26 13 (Rf1-f3+)} 72. Ke3 {0.24/27 14} Re1+ {0.00/28
24 (Rd1-f1)} 73. Re2 {0.08/27 19 (Ke3-d3)} Red1 {0.00/27 13 (Re1-f1)} 74. Rb7 {
0.16/23 4} Bf8 {0.00/28 13 (Kg8-f8)} 75. Rd7 {1.09/21 4} Rc4 {0.00/29 24
(Rd1-f1)} 76. h4 {1.13/21 4 (Rd7-d8)} Rh1 {0.00/26 12 (b4-b3)} 77. Kd3 {0.64/
22 7 (Rd7-d8)} Rcc1 {0.00/27 14} 78. d5 {0.64/22 4 (Rd7-d8)} Rh3+ {0.00/26 19
(Bf8-c5)} 79. Kd2 {0.56/23 10 (Re2-e3)} Rc8 {0.00/29 29} 80. h5 {0.44/24 6
(d5-d6)} b3 {0.00/28 31 (Rh3xh5)} 81. Re3 {0.68/27 32 (Be5-c3)} Rxh5 {0.07/28
37 (Rh3xe3)} 82. d6 {0.04/25 32} Rc2+ {0.00/30 41} 83. Kd3 {0.12/30 33} Rh1 {
0.00/33 56} 84. Kd4 {0.12/31 41} Rxb2 {0.00/33 54} 85. Kc4 {0.08/28 33 (Re3-d3)
} Rd2 {0.00/30 39} 86. Kxb3 {0.00/27 43} Rb1+ {0.00/30 40} 87. Kc4 {0.00/30 72}
Rc1+ {0.00/31 42} 1/2-1/2

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO B48
W=27.2 plies; 5,693kN/s; Perfect2015s.ctg  
B=22.6 plies; 11,300kN/s; Perfect2015s.ctg
As a first and strongest win for Nirvanachess 2.1c, the famous Critter 1.6a is out-calculated in the endgame with a Queen vs. RooK Knight. Nirvanachess 2.1c never lets go of the tempo and mercilessly continues an onslaught against the giant finally bringing him to his knees.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.30"]
[Round "12.4"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Critter 1.6a 64-bit"]
[Result "1-0"]
[ECO "B48"]
[Annotator "0.32;0.02"]
[PlyCount "127"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=27.2 plies; 5,693kN/s;
Perfect2015s.ctg  B=22.6 plies; 11,300kN/s; Perfect2015s.ctg} 1. e4 {B 0} c5 {
B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. d4 {B 0} cxd4 {B 0} 4. Nxd4 {B 0} e6 {B 0} 5.
Nc3 {B 0} Qc7 {B 0} 6. Be3 {B 0} a6 {B 0} 7. Qd2 {B 0} Nf6 {B 0} 8. O-O-O {B 0}
Bb4 {B 0} 9. f3 {0.32/25 36} Ne5 {0.02/23 53} 10. Nb3 {0.19/26 75 (Be3-f4)} b5
{0.00/22 26 (d7-d5)} 11. Qd4 {0.24/25 49 (Be3-d4)} Nc6 {0.00/23 27} 12. Qd2 {
0.24/27 66} Ne5 {0.00/22 27 (0-0)} 13. Qe1 {0.16/27 61 (Be3-d4)} Be7 {-0.12/21
26} 14. f4 {0.15/24 57} Nc4 {-0.13/23 26 (Ne5-g6)} 15. e5 {0.27/26 22} Ng4 {0.
14/23 115} 16. Bd4 {0.27/28 30} O-O {0.17/21 32} 17. Bxc4 {0.30/28 32 (h2-h3)}
bxc4 {0.05/23 37} 18. Nd2 {0.29/29 24} Nh6 {0.09/23 24 (Bc8-b7)} 19. Qe2 {0.31/
29 24} Bb7 {0.09/22 28} 20. Nxc4 {0.16/29 43} Bc6 {0.21/23 48} 21. Ne3 {0.57/
23 16} Rfb8 {0.21/22 65 (Qc7-b7)} 22. Rhg1 {0.47/22 19} Qb7 {0.22/21 22} 23.
Nb1 {0.43/25 37} a5 {0.21/21 28 (Rb8-d8)} 24. Nd2 {0.67/23 16} Rc8 {0.25/21 40
(d7-d6)} 25. g4 {0.75/22 20 (Kc1-b1)} Rab8 {0.29/20 22} 26. Qf2 {0.91/22 19
(Kc1-b1)} a4 {0.37/19 28 (Qb7-b4)} 27. f5 {1.08/23 21} Bg5 {0.40/18 35 (Bc6-d5)
} 28. f6 {1.27/21 13 (Kc1-b1)} Be4 {0.08/18 21} 29. c4 {0.66/24 22} Qb5 {0.00/
19 32} 30. b3 {1.22/24 19 (Qf2-e2)} axb3 {0.00/18 23} 31. axb3 {0.96/24 11} d5
{0.00/18 0} 32. exd6 {0.66/24 9 (Nd2xe4)} e5 {0.00/17 31} 33. h4 {1.23/25 26
(Bd4-a7)} exd4 {0.00/19 73} 34. hxg5 {0.71/24 10} Qb4 {0.00/20 38 (Qb5-a5)} 35.
Nxe4 {1.40/24 16} Qxb3 {0.00/18 0 (d4xe3)} 36. Kd2 {1.49/23 15} Re8 {0.00/19 24
} 37. Nc2 {1.27/24 17} Rxe4 {0.00/17 0} 38. Rg3 {0.98/24 19 (Rd1-b1)} Qxc4 {0.
00/20 51} 39. gxh6 {0.54/24 39} Rbe8 {0.00/21 38} 40. Rd3 {0.00/29 26 (Rd1-e1)}
Qc5 {0.00/21 38} 41. Rxd4 {0.00/31 49} Qg5+ {0.00/21 37} 42. Kc3 {0.67/32 48}
Qc5+ {0.00/21 22} 43. Kb2 {0.76/33 34 (Kc3-d2)} Re2 {0.00/20 11} 44. Qxe2 {0.
56/33 80} Rxe2 {0.00/24 9} 45. R1d2 {1.01/33 39} Rxd2 {0.00/27 23} 46. Rxd2 {
0.00/32 65} Qb5+ {0.08/29 33} 47. Kc3 {0.00/32 56 (Kb2-c1)} Qc6+ {0.08/30 78}
48. Kb3 {1.88/32 51} Qf3+ {0.00/29 20} 49. Kb2 {2.16/33 43} Qb7+ {0.00/30 38}
50. Ka2 {1.65/34 56 (Kb2-c1)} Qa8+ {0.00/29 157} 51. Na3 {3.03/29 26 (Ka2-b2)}
Qa5 {0.23/28 36} 52. Rd3 {3.34/30 24} Qa6 {0.31/27 19} 53. Rd4 {3.84/30 48} Qa7
{0.71/26 46} 54. Rc4 {4.50/30 30} Qa8 {1.10/24 58} 55. fxg7 {4.88/29 16} Qd5 {
1.19/24 41 (Qa8-g2+)} 56. g5 {6.80/29 42} f6 {1.26/24 24} 57. Kb2 {7.44/29 35}
Qe6 {1.96/24 107} 58. Rd4 {6.31/28 24 (Rc4-c7)} Qe5 {4.01/21 53} 59. Nc2 {7.99/
28 35} Qb5+ {4.51/22 14} 60. Nb4 {8.51/29 14} Qe5 {4.78/21 9} 61. Kc3 {8.78/29
31} Qc5+ {4.77/22 16} 62. Rc4 {9.16/28 16} Qe3+ {5.36/23 13} 63. Kc2 {10.26/29
28 (Kc3-b2)} Qe2+ {5.46/23 16} 64. Kb3 {12.38/25 16} 1-0

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO E16
W=26.2 plies; 4,493kN/s; Perfect2015s.ctg
B=23.1 plies; 9,208kN/s; Perfect2015s.ctg
Nirvanachess 2.1c decides to ambush Elektro 1.2 with a bold Kingside pawn storm neglecting his own king's castle and demolishing Elektro's last defense.
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.05.31"]
[Round "12.12"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Elektro 1.2"]
[Result "1-0"]
[ECO "E16"]
[Annotator "0.10;-0.09"]
[PlyCount "109"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=26.2 plies; 4,493kN/s;
Perfect2015s.ctg  B=23.1 plies; 9,208kN/s; Perfect2015s.ctg} 1. d4 {B 0} Nf6 {
B 0} 2. c4 {B 0} e6 {B 0} 3. Nf3 {B 0} b6 {B 0} 4. g3 {B 0} Bb7 {B 0} 5. Bg2 {
B 0} Bb4+ {B 0} 6. Bd2 {B 0} a5 {B 0} 7. Nc3 {B 0} O-O {B 0} 8. O-O {B 0} d6 {
B 0} 9. Qc2 {0.10/25 50} Bxc3 {-0.09/22 21 (Nb8-d7)} 10. Bxc3 {0.12/25 37} Be4
{-0.02/23 129 (Nb8-d7)} 11. Qd2 {0.18/25 42} h6 {-0.07/22 8 (d6-d5)} 12. b3 {
0.15/25 67 (Ra1-c1)} Nc6 {-0.09/22 27 (Nb8-d7)} 13. Rac1 {0.26/24 44} Ne7 {-0.
05/22 16 (Rf8-e8)} 14. Rfe1 {0.26/23 89 (Bc3-a1)} Re8 {-0.13/19 37 (Qd8-e8)}
15. Qb2 {0.33/23 40 (d4-d5)} a4 {-0.06/21 24 (c7-c6)} 16. Bf1 {0.33/23 20
(b3-b4)} Bh7 {0.00/21 33 (Be4xf3)} 17. d5 {0.81/24 43 (b3-b4)} a3 {0.01/23 22
(e6-e5)} 18. Qa1 {0.76/25 18} e5 {0.01/21 7} 19. Nd2 {0.59/24 28} Bf5 {0.15/21
78 (b6-b5)} 20. e4 {0.91/24 21} Bh7 {0.27/22 36 (Bf5-d7)} 21. f3 {1.02/23 52
(Qa1-b1)} c5 {0.21/21 37 (c7-c6)} 22. Bh3 {1.10/24 33 (Qa1-b1)} Kh8 {0.37/21
55 (Re8-f8)} 23. f4 {1.52/26 28 (Qa1-b1)} Ng6 {0.30/24 8} 24. f5 {1.54/27 33}
Nf8 {0.24/26 21 (Ng6-e7)} 25. Nb1 {1.52/26 31 (Qa1-b1)} N8d7 {0.26/25 36
(Qd8-b8)} 26. Bd2 {1.61/27 15} Nb8 {0.28/27 40} 27. Bf1 {1.61/28 15 (Nb1-c3)}
Qd7 {0.26/25 29 (Kh8-g8)} 28. Nc3 {1.69/26 27} Na6 {0.31/25 41} 29. Be2 {1.63/
26 10 (Nc3-b5)} Kg8 {0.26/22 34 (Na6-b4)} 30. Rf1 {1.63/27 10 (Qa1-b1)} Nb4 {
0.31/23 87} 31. Qb1 {1.67/28 17} Re7 {0.41/22 30 (Qd7-e7)} 32. g4 {2.06/24 12
(Nc3-b5)} Rd8 {0.79/20 35 (Nf6-e8)} 33. h4 {3.09/22 12 (Nc3-b5)} Ne8 {1.31/20
36 (h6-h5)} 34. g5 {3.39/21 9} Kh8 {1.40/20 22 (Ne8-c7)} 35. gxh6 {3.34/23 12}
gxh6 {1.55/21 19} 36. Kh1 {3.42/22 11} Nf6 {1.59/22 31 (h6-h5)} 37. Bxh6 {3.94/
24 14} Ng8 {1.84/22 23 (Rd8-g8)} 38. Bd2 {4.03/25 28} Ree8 {1.89/23 18 (f7-f6)}
39. Rf2 {4.49/25 26 (Rf1-g1)} Nf6 {2.00/22 14 (f7-f6)} 40. Rg1 {5.11/26 35
(Rf2-g2)} Rg8 {2.13/22 22} 41. Bg5 {5.40/28 38 (Rf2-g2)} Qe7 {2.81/23 39} 42.
Rfg2 {5.57/29 39 (Nc3-b5)} Na6 {3.00/23 72 (Rg8-g7)} 43. Qc1 {5.57/30 40
(Nc3-b5)} Ra8 {2.86/24 49 (Na6-c7)} 44. h5 {6.17/31 52 (Qc1xa3)} Nb8 {4.87/24
46} 45. Qe1 {6.17/32 35 (Bg5-h4)} Rxg5 {4.19/25 50} 46. Rxg5 {6.43/32 60} Na6 {
4.16/27 32 (Nb8-d7)} 47. Qg3 {6.43/31 39 (Rg5-g7)} Rf8 {4.17/26 19} 48. h6 {6.
71/30 66 (Qg3-h4)} Nc7 {4.19/28 40} 49. Bf3 {6.83/29 26 (Rg5-g7)} Qd8 {4.20/25
17} 50. Rg2 {7.07/30 56 (Rg5-g7)} Qe7 {4.34/26 38 (Qd8-d7)} 51. Nb1 {6.84/29
56 (Rg5-g7)} Qd8 {4.54/26 72 (Nc7-e8)} 52. Nxa3 {7.11/29 20 (Rg5-g7)} Nfe8 {4.
71/25 40 (Nc7-e8)} 53. Qh4 {8.23/29 38} Qf6 {5.27/25 28 (Ne8-f6)} 54. Nc2 {10.
87/25 23 (Kh1-h2)} Rg8 {7.00/23 25 (Bh7-g6)} 55. Ne3 {12.86/27 35 (Kh1-h2)} 1-0

[/pgn]

Nirvanachess 2.1c 64-bit 4CPU Gauntlet Highlights
[Hide]4th Generation Intel Core i7-4940MX processor (Overclocked to 3.99GHz)
Deep Fritz 12 GUI
1024 mb hash each where possible
3-4-5-6 piece tablebases on Samsung EVO 840 SSD
32 GB RAM (31.9 GB usable)
Ponder off
Perfect_2015s.ctg book (8 moves deep)
40 moves in 60 minutes repeated (60m/40+60m/40+60m/40)
20 cycles 260 rounds
All engines 64-bit where available[/Hide]
ECO C96
W=27.4 plies; 4,699kN/s; Perfect2015s.ctg  
B=22.8 plies; 10,998kN/s; Perfect2015s.ctg
[pgn][Event "Nirvanachess 2.1c 64-bit 4CPU Gauntlet"]
[Site "Philadelphia"]
[Date "2015.06.02"]
[Round "18.4"]
[White "Nirvanachess 2.1c (popcount)"]
[Black "Critter 1.6a 64-bit"]
[Result "1-0"]
[ECO "C96"]
[Annotator "0.05;0.08"]
[PlyCount "153"]
[EventDate "2015.05.25"]
[EventType "simul"]
[Source "Russell"]
[TimeControl "40/1080:40/1080:40/1080"]

{Intel(R) Core(TM) i7-4940MX CPU @ 3.10GHz 3999 MHz  W=27.4 plies; 4,699kN/s;
Perfect2015s.ctg  B=22.8 plies; 10,998kN/s; Perfect2015s.ctg} 1. e4 {B 0} e5 {
B 0} 2. Nf3 {B 0} Nc6 {B 0} 3. Bb5 {B 0} a6 {B 0} 4. Ba4 {B 0} Nf6 {B 0} 5. O-O
{B 0} b5 {B 0} 6. Bb3 {B 0} Be7 {B 0} 7. Re1 {B 0} O-O {B 0} 8. c3 {B 0} d6 {
B 0} 9. h3 {0.05/23 33} Na5 {0.08/23 203 (Bc8-b7)} 10. Bc2 {0.14/26 38} c5 {0.
12/22 34} 11. d4 {0.14/27 72} cxd4 {0.21/21 52 (Nf6-d7)} 12. cxd4 {0.19/24 25}
Qc7 {0.19/21 21} 13. Nc3 {0.29/25 36 (Bc2-d3)} Bb7 {0.18/21 56} 14. d5 {0.43/
25 27} Rac8 {0.21/22 48 (Rf8-c8)} 15. Bb1 {0.38/23 29 (Bc2-d3)} Nc4 {0.16/22
31 (Rf8-e8)} 16. a4 {0.36/27 25 (Nc3-e2)} b4 {0.14/22 19} 17. Ne2 {0.45/29 57}
Nd7 {0.17/23 21} 18. Ng3 {0.34/26 34 (b2-b3)} g6 {0.13/22 21} 19. Bd3 {0.41/27
31} Na5 {0.13/20 20 (Rf8-d8)} 20. b3 {0.52/25 46 (Bc1-d2)} Nc5 {0.13/21 22} 21.
Bc2 {0.51/25 19} Qb6 {0.17/22 32 (Rf8-e8)} 22. Bh6 {0.54/26 25 (Bc1-e3)} Rfd8 {
0.16/21 23 (Rf8-e8)} 23. Nh2 {0.57/24 22 (Bh6-e3)} Bf8 {0.27/20 47 (Rc8-c7)}
24. Ng4 {1.10/23 19 (Bh6-g5)} Bxh6 {0.38/20 23 (Bf8-g7)} 25. Nxh6+ {1.02/22 15}
Kg7 {0.38/19 0} 26. Ngf5+ {1.01/24 16} Kf8 {0.50/20 40} 27. Rb1 {0.93/25 26
(Re1-e3)} Nd7 {0.37/21 20 (Rd8-d7)} 28. Qf3 {1.33/23 17} Nf6 {0.68/20 29
(f7-f6)} 29. Ne3 {1.78/25 14} Kg7 {0.68/18 0} 30. Nxf7 {1.62/27 21} Kxf7 {0.61/
22 22} 31. Ng4 {0.87/23 13} Rf8 {0.61/21 0} 32. Qxf6+ {0.54/26 19} Ke8 {0.68/
23 43} 33. Qh4 {0.52/27 16} Qd8 {0.69/23 24 (Rc8xc2)} 34. Qxd8+ {1.07/23 12}
Kxd8 {0.73/26 29} 35. Re2 {1.09/27 18} Rf7 {0.73/25 25 (Rc8-c7)} 36. Ne3 {1.09/
27 21 (f2-f3)} Rfc7 {0.75/24 45} 37. f3 {1.03/26 12 (Kg1-f1)} Ke7 {0.76/24 40}
38. h4 {1.16/27 16 (Kg1-f2)} Rc3 {0.80/24 28} 39. Rb2 {1.16/28 27 (Kg1-f2)} Ba8
{0.76/24 47} 40. Nd1 {1.24/27 55 (Kg1-f2)} R3c7 {0.76/24 15} 41. Rd2 {1.27/28
35 (Kg1-f2)} Rc3 {0.78/23 21} 42. Kf2 {1.16/30 52 (Kg1-h2)} Nb7 {0.85/24 42
(Ba8-b7)} 43. Ra2 {1.32/27 36} R3c5 {1.10/24 104 (Rc3-c7)} 44. Bd3 {1.17/27 35}
a5 {1.37/26 148} 45. Ne3 {1.50/30 102} Rc1 {1.37/25 62} 46. Ba6 {1.59/32 38
(Ra2-c2)} R8c3 {1.22/25 20 (Rc8-c7)} 47. Bxb7 {1.92/32 72} Bxb7 {1.22/24 0} 48.
Rac2 {1.98/29 26} Rb1 {1.47/24 27 (Rc1xc2)} 49. Nc4 {2.01/30 44} Ba6 {1.43/25
16} 50. Nxa5 {2.17/31 62} Bd3 {1.64/23 25} 51. Rb2 {2.25/31 57} Rf1+ {1.65/23
22} 52. Kg3 {2.06/29 53} Bxe4 {1.73/25 47} 53. Nc6+ {2.03/26 37} Kd7 {1.73/25
33} 54. Nxb4 {1.89/30 43} Kc7 {1.77/24 114 (Rf1-b1)} 55. a5 {2.19/26 28} Rb1 {
1.74/22 12} 56. a6 {2.37/28 15} Rxb2 {2.07/23 27} 57. Rxb2 {2.37/31 22} Bf5 {
2.04/24 18} 58. Nc6 {2.37/30 17} Be4 {2.28/24 19} 59. Nb4 {2.37/31 18 (a6-a7)}
Bf5 {2.16/23 18} 60. Ra2 {2.65/28 34 (Nb4-c6)} Kb8 {2.16/21 0} 61. Nc6+ {2.62/
28 26} Ka8 {2.25/24 11} 62. b4 {2.81/30 32 (Nc6-a5)} Bd3 {1.95/24 76} 63. Kg4 {
2.96/28 30 (Ra2-a1)} h6 {2.27/20 10} 64. h5 {3.11/29 28} Bf5+ {2.89/21 55} 65.
Kh4 {3.33/27 26} g5+ {2.73/20 10} 66. Kg3 {3.50/27 19} Bd3 {2.91/22 8 (Rc3-b3)}
67. Rb2 {3.50/27 16} Bxa6 {3.09/20 8 (Bd3-b5)} 68. b5 {4.64/29 13} Bc8 {3.09/
19 0} 69. b6 {4.86/31 16 (Rb2-a2+)} Ra3 {3.47/22 16} 70. Nd8 {5.57/30 19
(Nc6-e7)} Bb7 {3.28/22 8} 71. Rc2 {5.82/30 8} Kb8 {3.33/22 9} 72. Nxb7 {5.92/
30 12 (Nd8-c6+)} Kxb7 {4.41/21 12} 73. Rc6 {6.08/30 13} e4 {4.51/22 15} 74.
Rxd6 {6.23/30 7} e3 {4.50/22 15} 75. Rxh6 {6.68/29 15} Ra4 {5.05/22 10} 76. Re6
{7.43/28 16} Rh4 {5.35/22 14} 77. h6 {8.22/27 16} 1-0

[/pgn]

Bug in Nirvanachess 2.2

the match was about to win .. more then senselessly Nirvanachess 2.2 .. starts deliver Spare no sense .... I hope the author can fix it ... seems to be a very strong engine hug


[pgn][Event "Lento 120m"]
[Site "MARCOS-PC"]
[Date "2015.10.16"]
[Round "1"]
[White "Rybka 3 x64 mp"]
[Black "Nirvanachess 2.2"]
[Result "1-0"]
[ECO "B95"]
[Annotator "0.33;0.19"]
[PlyCount "141"]
[TimeControl "7200"]

1. e4 {B 0} c5 {B 0} 2. Nf3 {B 0} d6 {B 0} 3. d4 {B 0} Nf6 {B 0} 4. Nc3 {B 0}
cxd4 {B 0} 5. Nxd4 {B 0} a6 {B 0} 6. Bg5 {B 0} Nbd7 {B 0} 7. Be2 {B 0} e6 {B 0}
8. O-O {B 0} h6 {B 0 Ambos última jugada del libro} 9. Be3 {0.33/19 249} Qc7 {
0.19/27 162} 10. Qe1 {0.30/18 112 (a4)} Be7 {0.15/26 101 (b5)} 11. a3 {0.16/17
123 (a4)} b5 {-0.03/28 115 (0-0)} 12. f4 {0.12/18 107} Bb7 {-0.05/28 138} 13.
Qg3 {0.04/17 162} Nxe4 {0.00/28 159} 14. Nxe4 {0.12/18 66} Bxe4 {0.00/30 160}
15. Qxg7 {0.11/18 67} Bf6 {0.00/31 158} 16. Qg3 {0.12/18 136} Nc5 {0.00/30 200
(Db7)} 17. Bf3 {0.22/17 115} d5 {0.00/30 179 (Db7)} 18. Bxe4 {0.23/18 146 (Ah5)
} Nxe4 {-0.06/27 163} 19. Qh3 {0.26/19 195} h5 {0.00/27 105 (Dc4)} 20. c3 {0.
25/18 61} Ke7 {0.00/26 136 (Dc4)} 21. Rfe1 {0.34/16 184} h4 {0.00/27 102 (Tac8)
} 22. Rad1 {0.29/18 131 (Cf3)} Bxd4 {-0.15/26 73} 23. Bxd4 {0.27/19 112} f6 {
-0.32/29 90} 24. Be3 {0.25/18 97} Rad8 {-0.33/29 109 (Dc4)} 25. Rd3 {0.25/18
110 (Td4)} Qc6 {-0.29/27 92 (Dc4)} 26. Rd4 {0.25/17 260} f5 {-0.33/27 121 (Rf7)
} 27. Rdd1 {0.16/19 146} Rdg8 {-0.30/28 61} 28. Qf3 {0.01/19 241 (Ad4)} Rh6 {
-0.36/27 93 (Th7)} 29. Rd4 {0.00/18 174 (Af2)} Rg4 {-0.64/28 78 (Thg6)} 30. Kh1
{0.00/18 60 (Te2)} Kf7 {-0.76/27 146 (Tg8)} 31. Rd3 {-0.08/18 116} Qc7 {-0.72/
29 210 (Thg6)} 32. Kg1 {-0.18/16 70} Qc4 {-0.71/29 69} 33. Rd4 {-0.72/17 118}
Qc8 {-0.71/29 103} 34. Kh1 {-0.92/17 100 (Td3)} Qh8 {-1.35/27 71} 35. Qd1 {-0.
83/17 34} Qg8 {-1.25/29 53} 36. Rxe4 {-0.93/17 31} dxe4 {-1.36/30 51} 37. Re2 {
-0.77/19 64} Kg6 {-#1/100 21 (Dc8)} 38. Rd2 {-0.68/19 52} Rh5 {-91.43/27 127
(Th8)} 39. Rd8 {0.30/18 64 (h3)} Qf7 {0.00/30 71} 40. Qd6 {0.18/20 134} Rh7 {
0.00/30 48} 41. Qxa6 {0.18/19 0} Rg7 {0.00/33 68 (Rh6)} 42. Qxb5 {0.18/18 45}
Kh7 {0.00/34 77} 43. Rd2 {0.12/19 28} Qg6 {0.00/33 81 (Dh5)} 44. Qf1 {0.12/19
73} Qe8 {0.00/33 60} 45. Bd4 {0.12/19 83 (b3)} Rg8 {0.00/30 47} 46. Qa6 {0.12/
19 61} Qg6 {0.00/31 48} 47. Qe2 {0.12/19 48} Qe8 {0.00/31 42} 48. Qf1 {0.11/19
31 (Da6)} Qa4 {0.00/29 40} 49. Be3 {0.11/19 74 (Rg1)} Kg6 {0.00/30 50 (T8g7)}
50. Kg1 {0.10/18 71 (De1)} Kf6 {0.00/29 48} 51. Qe1 {0.00/18 53 (Rh1)} R8g6 {
0.00/28 37 (Re7)} 52. Kh1 {0.10/17 39 (Df1)} Rg8 {0.00/29 50} 53. Qb1 {0.10/18
41 (h3)} Qb3 {0.00/29 42} 54. Qf1 {0.09/17 22} Qa4 {0.00/30 42 (Rg6)} 55. Qe1 {
0.09/18 46 (Db1)} R8g6 {0.00/29 40 (Rg6)} 56. Re2 {0.10/16 44 (h3)} Qb3 {0.00/
29 39 (Rf7)} 57. h3 {0.14/18 50 (Td2)} Rg3 {0.00/30 38} 58. Bf2 {0.05/18 53}
Rd3 {0.00/31 48} 59. Bxh4+ {0.07/18 32} Kf7 {0.00/32 42} 60. Qf1 {0.00/18 42
(Rh2)} Rd1 {0.00/27 90 (Dd5)} 61. Be1 {0.07/19 30} Qb5 {#1/45 80 (Td3)} 62. Qf2
{0.13/18 362 (Rxg6)} Rxe1+ {#2/33 98 (Rg8)} 63. Rxe1 {2.79/16 26 (Dxe1)} Qf1+ {
#3/20 122 (Dd5)} 64. Rxf1 {24.14/12 56} Rxg2 {#3/18 83 (Tf6)} 65. Qxg2 {#7/9 3}
e5 {#3/15 68 (Rf8)} 66. fxe5 {#6/7 0 (Rf8)} f4 {#4/22 68 (Re7)} 67. Rxf4+ {#7/
3 0} Ke6 {#4/22 64 (Re7)} 68. Rf6+ {#4/3 0} Kd5 {#1/18 62} 69. Qg8+ {#3/3 0
(Xf2)} Kc5 {#3/16 60} 70. a4 {#2/3 0 (Tf5)} e3 {#1/23 37} 71. b4# {#1/3 0} 1-0[/pgn]

Nirvanachess 2.3 has been released....

http://nirvanachess.blogspot.com/2016/07/nirvanachess-23-release.html