TCEC CUP3

Stockfish Dev and LCZero competed in the finals.

LCZero won 5.5 to 4.5 and defended the cup (Leela won 2 games and lost 1 game). Congratulations!  

In game 3 (Caro-Kann) Leela demonstrated the mastery of positional play.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.05.10"]
[Round "1.3"]
[White "LCZero v0.21.1-nT40.T6.532"]
[Black "Stockfish 19042711"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "3587"]
[BlackElo "3589"]
[PlyCount "152"]
[EventDate "2019.??.??"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Ne7 7. Nbd2 h6 8. Nb3
g5 9. a4 Rc8 10. c3 Bg7 11. h4 g4 12. Ne1 h5 13. Bg5 c5 14. Nxc5 Nxc5 15. dxc5
Bxe5 16. Bb5+ Kf8 17. Bd3 Qc7 18. Bxf5 Nxf5 19. Nd3 Kg7 20. Qd2 Kg8 21. a5 Bg7
22. Bf4 Qc6 23. g3 a6 24. Rfe1 Re8 25. Ra3 d4 26. Be5 f6 27. Bxd4 e5 28. Nb4
Qd7 29. Qe2 Bf8 30. Qe4 Rh7 31. Nd5 Rf7 32. Be3 Nxe3 33. Qg6+ Kh8 34. Nxe3 Bxc5
35. Raa1 f5 36. Rad1 Qe6 37. Qxh5+ Kg8 38. Nd5 Ba7 39. c4 Bb8 40. Qg5+ Kh7 41.
b4 Ref8 42. c5 Rg7 43. Qe3 e4 44. Rd4 Be5 45. Nf4 Qc6 46. Rd2 Qh6 47. Ne2 Rgf7
48. Red1 Re7 49. Rd7 Qf6 50. Nf4 Rxd7 51. Rxd7+ Rf7 52. Rd5 Bc7 53. Qd2 Qe7 54.
Ng2 Qe6 55. Qd4 Re7 56. Ne3 Be5 57. Qc4 Kg7 58. b5 axb5 59. Qxb5 Kg6 60. Qb6
Qxb6 61. cxb6 Kf6 62. Rd8 Ke6 63. Rf8 Bc3 64. Rxf5 Re8 65. Rc5 Bd4 66. Rc4 Rd8
67. Kf1 Ke5 68. Rc7 Rf8 69. Ke2 Rb8 70. h5 Ke6 71. h6 Ra8 72. Rxb7 Rxa5 73. Rb8
Kd7 74. b7 Ra2+ 75. Kf1 Ra1+ 76. Kg2 Rb1 1-0[/pgn]

In game 9 (Trompovsky attack), it all seemed like a draw. Stockfish analyzed his position in 75 forward moves and did not see any danger. His loss was surprising.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.05.10"]
[Round "1.9"]
[White "LCZero v0.21.1-nT40.T6.532"]
[Black "Stockfish 19042711"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "3587"]
[BlackElo "3589"]
[PlyCount "333"]
[EventDate "2019.??.??"]

1. d4 Nf6 2. Bg5 c5 3. Nc3 cxd4 4. Qxd4 Nc6 5. Qh4 d6 6. O-O-O Qa5 7. e4 Be6 8.
Nf3 h6 9. Bb5 a6 10. Bxc6+ bxc6 11. Bd2 Rb8 12. e5 dxe5 13. Rhe1 Nd7 14. Na4 g5
15. Bxa5 gxh4 16. Nxe5 Nxe5 17. Rxe5 Rg8 18. g3 h5 19. Bc7 Bh6+ 20. Kb1 Rc8 21.
Bb6 Bg4 22. Rde1 e6 23. Be3 Bxe3 24. R5xe3 Rg5 25. f3 hxg3 26. fxg4 Rxg4 27. b3
gxh2 28. Rh3 Rg2 29. Nc5 Rd8 30. Rc1 Rdd2 31. Kb2 e5 32. Nxa6 f5 33. Nc5 f4 34.
Ne4 Rde2 35. Nc3 Ref2 36. Rxh5 Kf7 37. Rh3 Ke6 38. a4 f3 39. Rh6+ Kf7 40. Rh7+
Kg8 41. Rh3 Rxc2+ 42. Rxc2 Rxc2+ 43. Kxc2 f2 44. Rxh2 f1=Q 45. Re2 Qf4 46. Re4
Qf2+ 47. Re2 Qd4 48. Re4 Qc5 49. b4 Qf2+ 50. Kb3 Kf8 51. Rxe5 Qf7+ 52. Kc2 Qc4
53. Re4 Qf1 54. Kb3 Qf3 55. a5 Qf2 56. Rc4 Qf7 57. Ne2 Qf3+ 58. Nc3 Qf7 59. a6
Qd7 60. Kb2 Kg7 61. Rc5 Kg8 62. Rc4 Kg7 63. Ka3 Kf8 64. Kb3 Kf7 65. Rc5 Qe6+
66. Ka3 Qd7 67. Rc4 Ke7 68. Kb2 Kf6 69. Ne4+ Ke5 70. Nc3 Kf6 71. Kb3 Kf7 72.
Rc5 Kf6 73. Ka3 Kg6 74. Kb3 Qf7+ 75. Kb2 Qd7 76. Kc2 Kg7 77. Kb2 Kf6 78. Ka3
Ke6 79. Kb3 Kd6 80. Rc4 Ke7 81. Kc2 Kf6 82. Ne4+ Ke5 83. Nc5 Qh7+ 84. Kb2 Qg7
85. Rc2 Kd6+ 86. Ka3 Qa1+ 87. Ra2 Qh8 88. a7 Kc7 89. Kb3 Qg8+ 90. Kb2 Qh8+ 91.
Kb1 Qh1+ 92. Kc2 Qg2+ 93. Kb1 Qf1+ 94. Kb2 Qg2+ 95. Ka3 Qg3+ 96. Kb2 Qf2+ 97.
Kb1 Qe1+ 98. Kc2 Qe2+ 99. Kb1 Qd1+ 100. Kb2 Qe2+ 101. Ka1 Qd1+ 102. Kb2 Qe2+
103. Kb3 Qf3+ 104. Kc2 Qf2+ 105. Kb3 Qg3+ 106. Kc2 Qg2+ 107. Kb3 Qf3+ 108. Ka4
Qd1+ 109. Ka3 Qf3+ 110. Ka4 Qd5 111. Rf2 Qd1+ 112. Ka3 Qa1+ 113. Ra2 Qh8 114.
Re2 Kb6 115. Re7 Qa1+ 116. Kb3 Qb1+ 117. Ka3 Qa1+ 118. Kb3 Qb1+ 119. Kc3 Qc1+
120. Kd4 Qa1+ 121. Ke4 Qb1+ 122. Ke5 Qe1+ 123. Kf5 Qxe7 124. a8=Q Qf7+ 125. Kg5
Qe7+ 126. Kg6 Qd6+ 127. Kf5 Qd5+ 128. Kg6 Qd6+ 129. Kh7 Qc7+ 130. Kh8 Qh2+ 131.
Kg8 Qg1+ 132. Kf7 Qf2+ 133. Kg6 Qg2+ 134. Kf7 Qd5+ 135. Ne6 Qf5+ 136. Ke7 Qh7+
137. Ke8 Qh8+ 138. Nf8 Qh5+ 139. Kd7 Qf5+ 140. Ne6 Qh7+ 141. Kd6 Qh2+ 142. Kd7
Qh7+ 143. Kd6 Qd3+ 144. Ke7 Qh7+ 145. Kf6 Qh6+ 146. Ke5 Qe3+ 147. Kf5 Qd3+ 148.
Kg5 Qg3+ 149. Kf5 Qh3+ 150. Ke5 Qe3+ 151. Kf5 Qh3+ 152. Kf6 Qh6+ 153. Kf7 Qh5+
154. Kg8 Qg6+ 155. Ng7 Qg4 156. Qa5+ Kb7 157. Kf8 Qg6 158. Qe5 Qh6 159. Ke8
Qh8+ 160. Kf7 Qh4 161. Qd6 Qf2+ 162. Ke8 Qf3 163. Ne6 Qh5+ 164. Kd7 Qh7+ 165.
Qe7 Qh3 166. Kd6+ Kb6 167. Qc7+ 1-0

[/pgn]

A few impressive games of the winner on the way to the cup.

Round of 32
LCZero - Marvin 5 - 0

Marvin was too weak to fight back successfully.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.04.29"]
[Round "1"]
[White "Marvin 3.4.0-a1"]
[Black "LCZero v0.21.1-nT40.T6.532"]
[Result "0-1"]
[ECO "C24"]
[WhiteElo "3040"]
[BlackElo "3587"]
[PlyCount "87"]
[EventDate "2019.??.??"]

1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 5. Bb3 a5 6. a4 Bb4+ 7. c3 Bd6 8. exd5
cxd5 9. Bg5 Be6 10. Na3 Nc6 11. Nb5 Bb8 12. O-O h6 13. Bh4 Ra6 14. Re1 O-O 15.
h3 Qc8 16. Nh2 Nh7 17. Bg3 f5 18. f3 Kh8 19. Nf1 f4 20. Bh4 Bxh3 21. Bxd5 g5
22. Bf2 Ne7 23. Bxb7 Qxb7 24. gxh3 Rg6 25. Nd2 Nf5 26. Ne4 h5 27. Bc5 Rfg8 28.
Kf2 Ng3 29. b4 g4 30. hxg4 hxg4 31. Rg1 Rh6 32. Nxg3 Rh2+ 33. Ke1 fxg3 34. Rxg3
Ng5 35. Bg1 Rh3 36. Rxh3+ gxh3 37. Kf2 Ne6 38. Qf1 Rg2+ 39. Ke1 Qg7 40. Bf2 h2
41. Kd2 Qg3 42. Ke3 Qg5+ 43. Ke2 Nf4+ 44. Kd2 0-1[/pgn]

OctoFinal
LCZero - Booot 4.5 - 0.5

Booot fought better. He was lucky enough to draw once.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.05.04"]
[Round "1.4"]
[White "Booot 6.3.1"]
[Black "LCZero v0.21.1-nT40.T6.532"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "3378"]
[BlackElo "3587"]
[PlyCount "99"]
[EventDate "2019.??.??"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2
Nc6 9. O-O-O d5 10. Qe1 e5 11. Nxc6 bxc6 12. exd5 Nxd5 13. Bc4 Be6 14. Kb1 Re8
15. Ne4 f5 16. Ng5 Bc8 17. h4 h6 18. Ne4 Be6 19. Bb3 Qc7 20. Nc5 Bf7 21. g4
fxg4 22. fxg4 e4 23. Rf1 a5 24. Qf2 Re7 25. c3 Rf8 26. Qg1 Rfe8 27. Rde1 Kh8
28. Bxd5 Bxd5 29. g5 h5 30. Rf6 Kh7 31. b3 Qe5 32. Bd4 Qb8 33. Qe3 a4 34. Nxa4
Bxb3 35. axb3 Qxb3+ 36. Nb2 Ra8 37. c4 Qa2+ 38. Kc1 Rb8 39. Bc3 Rb3 40. Kc2
Reb7 41. Qc1 Rxc3+ 42. Kxc3 Qb3+ 43. Kd4 Qg3 44. Rd1 e3 45. Kd3 e2+ 46. Kxe2
Bxf6 47. gxf6 Rxb2+ 48. Qxb2 Qg2+ 49. Ke3 Qxb2 50. f7 0-1[/pgn]

QuarterFinal
LCZero - Fire 5 - 3

Fire was a worthy opponent.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.05.07"]
[Round "1.8"]
[White "Fire 021819"]
[Black "LCZero v0.21.1-nT40.T6.532"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "3458"]
[BlackElo "3587"]
[PlyCount "265"]
[EventDate "2019.??.??"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. O-O d6 5. d4 Be7 6. c4 O-O 7. Nc3 Ne4 8. Nxe4
fxe4 9. Nd2 d5 10. f3 Nc6 11. fxe4 Rxf1+ 12. Kxf1 dxc4 13. Nf3 b5 14. Kg1 e5
15. d5 Bc5+ 16. Kh1 Qd6 17. b3 c3 18. Qc2 Nd4 19. Nxd4 Bxd4 20. e3 Bc5 21. Qxc3
b4 22. Qc2 a5 23. Bb2 Qe7 24. Rf1 Bd6 25. h3 a4 26. Kh2 Bd7 27. Rf2 h6 28. Bc1
Kh7 29. Qd1 Qe8 30. Qe1 c6 31. Bd2 c5 32. Qb1 Qh5 33. Qc2 Bg4 34. Bc1 Bd7 35.
Bb2 a3 36. Ba1 Rg8 37. Bf1 Rf8 38. Rxf8 Bxf8 39. Qe2 Qxe2+ 40. Bxe2 Bd6 41. g4
h5 42. gxh5 Kh6 43. h4 Be8 44. Kg3 Bb8 45. Bd3 Bxh5 46. Kg2 Bd1 47. Kh3 Kg6 48.
Kg3 Kh5 49. Bb1 Be2 50. Kf2 Bb5 51. Kg3 Bf1 52. Bc2 Be2 53. Kf2 Bb5 54. Kg3 Bc7
55. Bd1+ Kg6 56. Bc2 Kh5 57. Bd1+ Kh6 58. Bc2 Kg6 59. Kg2 Kh5 60. Kg3 Bf1 61.
Kf2 Ba6 62. Kg3 Be2 63. Kf2 Bb5 64. Kg3 Bb8 65. Bd1+ Kg6 66. Bc2 Kh5 67. Bb1
Ba6 68. Bc2 Bd6 69. Bb1 Bc7 70. Bc2 Bb8 71. Bd1+ Kg6 72. Bc2 Bc7 73. Kf3 Bf1
74. Kg4 c4 75. bxc4 Bxc4 76. Bb1 Bb8 77. Kf3 Kh5 78. Kg3 Bc7 79. Kh3 Bf1+ 80.
Kg3 Bd6 81. Kf2 Bc4 82. Kg3 Bb8 83. Kh3 Bc7 84. Kg3 Bd6 85. Kh3 Ba6 86. Kg3 Bf1
87. Kf2 Bb5 88. Kg3 Bc7 89. Bc2 Be2 90. Kh3 Kh6 91. Bb1 Bc4 92. Kg2 Kg6 93. Kf2
Kf6 94. Kf3 Bb6 95. Kf2 Bc7 96. Kg3 Ke7 97. Kg4 Kf6 98. Kg3 Kg6 99. Kg4 Bd6
100. Kh3 Kh5 101. Kg3 Bc7 102. Kh3 Kh6 103. Kg2 Kh7 104. Kg3 Kg8 105. Kg4 g6
106. Kg5 Kf7 107. Kg4 Kf6 108. Kf3 Ke7 109. Kg3 Kd6 110. Kf2 Bd8 111. Kg3 Be7
112. Kh3 Bb5 113. Kg3 Bf6 114. Bc2 Be2 115. Bb1 Kc5 116. Kf2 Bd1 117. Kg2 Kc4
118. Kf1 Bh5 119. Bc2 Bg4 120. Kf2 Bxh4+ 121. Kf1 Bf6 122. Kf2 Kc5 123. Kg3 Be2
124. Kf2 Bc4 125. Bb1 Kd6 126. Kg3 Bg5 127. Kf3 Bh4 128. Kg4 Be1 129. Bb2 axb2
130. Kg5 Bf1 131. Bc2 Bd2 132. Bb1 Bc1 133. Kg4 0-1
[/pgn]

SemiFinal
LCZero - Houdini 4.5 - 2.5

It was a rematch, but Houdini lost again.

[pgn][Site "http://tcec.chessdom.com"]
[Date "2019.05.08"]
[Round "1.1"]
[White "LCZero v0.21.1-nT40.T6.532"]
[Black "Houdini 6.03"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "3587"]
[BlackElo "3545"]
[PlyCount "132"]
[EventDate "2019.??.??"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. f3
Bb7 9. Be3 Be7 10. Rc1 Nc6 11. Be2 O-O 12. b4 Ne5 13. Na4 d6 14. O-O Rab8 15.
Qe1 Ba8 16. Qf2 Qd7 17. b5 Qa7 18. Nxb6 Qxb6 19. Nxe6 Qa5 20. Nxf8 Bxf8 21. Qe1
Qc7 22. bxa6 Nfd7 23. c5 Nxc5 24. Rb1 Rd8 25. Qb4 Qe7 26. Rfd1 Rc8 27. Kh1 Bc6
28. Bf4 Ra8 29. Qb6 Na4 30. Qa5 Nc5 31. Rdc1 Ng6 32. Be3 Ne5 33. a4 Rc8 34. Rb5
Ba8 35. Qd2 h5 36. h3 Qc7 37. Rbb1 Qe7 38. Rb6 Qc7 39. a5 Ned7 40. Rcb1 Rd8 41.
Bg1 Rc8 42. Bc4 Nf6 43. Ba2 d5 44. Bh2 Qd7 45. exd5 Bxd5 46. a7 Bxa2 47. Qxd7
Ncxd7 48. Rb8 Nxb8 49. axb8=Q Rxb8 50. Rxb8 Bc4 51. Bd6 Nd7 52. Rd8 Bb5 53. a6
Bxa6 54. Rxd7 Bxd6 55. Rxd6 Bc4 56. Rd4 Be6 57. Kg1 Kh7 58. Kf2 Kh6 59. h4 Kh7
60. Kg3 Kg6 61. Kf4 f6 62. Ra4 Bd7 63. Ra5 Be6 64. Rc5 Kh6 65. Ke4 Ba2 66. Kd4
Kg6 1-0[/pgn]