SF lose Lco CPU in cccc in modern defense

[Nay Lin Tun]

In this opening, book move exit 7. h4.


Small sample size but it looks surprising that SF really struggle with blocked centre.
[pgn][Event "Waiting For Wednesday (10|5)"]
[Site "?"]
[Date "2019.11.24"]
[Round "1"]
[White "Lc0 CPU"]
[Black "Stockfish"]
[Result "1-0"]
[ECO "B06"]
[GameDuration "00:42:18"]
[GameEndTime "2019-11-24T17:13:21.560 PST"]
[GameStartTime "2019-11-24T16:31:03.144 PST"]
[Opening "Robatsch (Modern) defense"]
[PlyCount "335"]
[TimeControl "600+5"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. f3 Nd7 7. h4 h5 8. Nh3 Ngf6
9. Ng5 Bb7 10. O-O-O e5 11. d5 Bc8 12. Be2 Nb6 13. a3 Bd7 14. b3 O-O 15. g4 Qe8
16. Qd3 Rc8 17. Kb1 Rb8 18. Qd2 a5 19. Na2 a4 20. b4 Nc4 21. Bxc4 bxc4 22. Rdg1
Qe7 23. gxh5 Nxh5 24. Nc3 Qf6 25. Rh2 c5 26. dxc6 Bxc6 27. Qe1 Qe7 28. Rd2 Rfc8
29. Nh3 Rb7 30. Rd1 Qe6 31. Ng5 Qe7 32. Nh3 Rd7 33. Qf1 Qd8 34. Qg2 Qe8 35. Rd2
Rcc7 36. Rgd1 Qe7 37. Qg1 Rc8 38. Kc1 Bf8 39. Rg2 Qe6 40. Ng5 Qe7 41. Kb1 Bg7
42. Nh3 Qe6 43. Ng5 Qe7 44. Qf1 Nf6 45. Rgd2 Bb7 46. Kb2 Ba8 47. Kc1 Bb7 48. Kb1
Bc6 49. Kb2 Ba8 50. Kb1 Bb7 51. Qe2 Bc6 52. Kc1 Bf8 53. Kb1 Bg7 54. Kb2 Bb7 55.
Qf2 Rcd8 56. Bb6 Rb8 57. Qg1 Bf8 58. Ba7 Ra8 59. Be3 Bg7 60. Qf1 Rc8 61. Qe2 Ba6
62. Bb6 Nh5 63. Be3 Nf6 64. Qf2 Rb8 65. Nxa4 Bf8 66. c3 Qe8 67. Nb6 Rdb7 68.
Rxd6 Bxd6 69. Rxd6 Nh5 70. a4 Rxb6 71. Bxb6 Qxa4 72. Qc2 Qxc2+ 73. Kxc2 Bb5 74.
Be3 Ng7 75. f4 Ne8 76. Rd2 exf4 77. Bxf4 Rc8 78. e5 Bc6 79. Rd4 Ng7 80. Kb2 Ba4
81. Rd5 Ne6 82. Nxe6 fxe6 83. Rd6 Kf7 84. Kc1 Rb8 85. Ra6 Bd7 86. Be3 Rb7 87.
Kd2 Bb5 88. Ra5 Bc6 89. Rc5 Bd5 90. Rc8 Rd7 91. Ke1 Rb7 92. Kf2 Ke7 93. Kg3 Kd7
94. Rg8 Be4 95. Kf4 Bf5 96. Ra8 Kc6 97. Ra6+ Kb5 98. Ra5+ Kc6 99. Rc5+ Kd7 100.
Rxc4 Ke8 101. Rc6 Kd7 102. Rd6+ Kc8 103. Kg5 Rh7 104. Rd4 Rf7 105. Rf4 Rd7 106.
c4 Rd3 107. Bc5 Kd7 108. Kf6 Kc6 109. Bd6 Rd2 110. b5+ Kb6 111. Bb4 Rb2 112. Be7
Rd2 113. Kf7 Rd7 114. Ke8 Rd1 115. Bd6 Ra1 116. Rd4 Bh3 117. Be7 Bf1 118. Kf7
Ra2 119. Kxg6 Rg2+ 120. Kf7 Re2 121. Kxe6 Ra2 122. Bd8+ Kc5 123. Rf4 Be2 124.
Be7+ Kb6 125. Kf6 Ra1 126. e6 Rg1 127. Bd8+ Kc5 128. e7 Rg8 129. Bc7 Rh8 130.
Kg7 Re8 131. Kf7 Bh5+ 132. Ke6 Be2 133. Bd6+ Kb6 134. Kd7 Rg8 135. e8=Q Rxe8
136. Kxe8 Bd1 137. h5 Bxh5+ 138. Rf7 Bg6 139. c5+ Kxb5 140. Ke7 Kc6 141. Rf6 Bc2
142. Be5+ Kxc5 143. Rf4 Bb3 144. Bb8 Bc4 145. Ba7+ Kb4 146. Kd6 Kc3 147. Rf3+
Kd2 148. Kc5 Be2 149. Ra3 Bg4 150. Kd4 Ke2 151. Bc5 Bh5 152. Re3+ Kf1 153. Ke4
Bd1 154. Kf4 Kf2 155. Bb6 Be2 156. Rg3+ Ke1 157. Ke3 Kd1 158. Rg1+ Kc2 159. Kxe2
Kc3 160. Rg4 Kb2 161. Rg3 Ka1 162. Kd2 Kb2 163. Bd4+ Ka2 164. Bb2 Kxb2 165. Rf3
Kb1 166. Kc3 Ka1 167. Kb3 Kb1 168. Rf1# 1-0[/pgn]

[Nay Lin Tun]

Reverse game.
[pgn][Event "Waiting For Wednesday (10|5)"]
[Site "?"]
[Date "2019.11.24"]
[Round "1"]
[White "Stockfish"]
[Black "Lc0 CPU"]
[Result "1-0"]
[ECO "B06"]
[GameDuration "00:21:59"]
[GameEndTime "2019-11-24T16:30:26.272 PST"]
[GameStartTime "2019-11-24T16:08:27.197 PST"]
[Opening "Robatsch (Modern) defense"]
[PlyCount "99"]
[TimeControl "600+5"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. Qd2 b5 6. f3 Nd7 7. h4 Ngf6 8. g4 h6
9. O-O-O Nb6 10. b3 h5 11. gxh5 Nxh5 12. Nce2 a5 13. Nh3 a4 14. Nhf4 b4 15. Kb1
c6 16. Qxb4 Bd7 17. Qe1 Qb8 18. Nxh5 Rxh5 19. b4 a3 20. Nf4 Rh8 21. c3 c5 22.
Rc1 Qb7 23. h5 cxb4 24. cxb4 g5 25. Nd3 Rb8 26. Bxg5 Bxd4 27. Be3 Bf6 28. Bd2
Na4 29. Qe3 Be6 30. Be2 Bd7 31. h6 Bb5 32. Rh5 e6 33. Qf4 Be7 34. Ne5 dxe5 35.
Qxe5 Bxe2 36. Qxh8+ Bf8 37. h7 Qb6 38. Rd5 exd5 39. Qe5+ Kd7 40. h8=Q Bd3+ 41.
Ka1 Bc4 42. exd5 Re8 43. Qh3+ Kd8 44. Bg5+ f6 45. Bxf6+ Qxf6 46. Qxf6+ Be7 47.
Qc6 Bf6+ 48. Qxf6+ Re7 49. Qhh8+ Kd7 50. Qc6# 1-0[/pgn]