2.g5 is a blunder.fastgm wrote: ↑Wed Feb 05, 2020 6:34 pm Here is a game, Stockfish 11 vs Stockfish 11, default settings, every move till depth 50, 1.g4 d5
[pgn][Event "Match - 1.g4 d5 - Stockfish 11 depth 50"]
[Site "FastGM"]
[Date "2020.01.22"]
[Round ""]
[White "Stockfish 11"]
[Black "Stockfish 11"]
[Result "0-1"]
[ECO "A00"]
[Opening "Grob's attack"]
[PlyCount "174"]
[TimeControl "inf"]
1. g4 {book} d5 {book} 2. g5 {-0.93/50 26812s} e5 {+1.68/50 23962s}
3. Bg2 {-1.00/50 12146s} Nc6 {+1.72/50 6973s} 4. d4 {-1.01/50 6076s}
exd4 {+1.60/50 2872s} 5. Nf3 {-1.09/50 7516s} Bc5 {+1.48/50 6526s}
6. Nbd2 {-0.93/50 6235s} Bb6 {+1.53/50 8610s} 7. Nb3 {-1.13/50 8374s}
Nge7 {+1.71/50 5848s} 8. a4 {-1.16/50 5853s} Na5 {+1.43/50 4947s}
9. Nfxd4 {-1.18/50 6581s} c5 {+1.34/50 5300s} 10. Nf3 {-1.20/50 6389s}
Nxb3 {+1.56/50 9386s} 11. cxb3 {-1.39/50 6856s} O-O {+1.68/50 9839s}
12. h4 {-1.46/50 6754s} Nc6 {+1.71/50 9540s} 13. h5 {-1.58/50 5159s}
Bg4 {+1.94/50 2612s} 14. Rh4 {-1.26/50 5800s} Qd7 {+1.85/50 4209s}
15. Nh2 {-1.37/50 7797s} Be6 {+2.12/50 5459s} 16. Bf4 {-1.60/50 11925s}
Rae8 {+2.01/50 10981s} 17. Kf1 {-1.61/50 4894s} Bd8 {+1.94/50 5155s}
18. Nf3 {-1.75/50 2569s} Bf5 {+2.28/50 16987s} 19. Kg1 {-1.79/50 8266s}
f6 {+2.08/50 4760s} 20. g6 {-1.96/50 5603s} hxg6 {+2.47/50 3769s}
21. hxg6 {-1.96/50 2189s} Bxg6 {+2.46/50 3628s} 22. Ne1 {-2.06/50 1266s}
Be4 {+2.84/50 2861s} 23. Bd6 {-1.92/50 665s} f5 {+3.04/50 2598s}
24. Bxf8 {-2.93/50 2629s} Bxh4 {+3.40/50 3118s} 25. Bxc5 {-3.21/50 2185s}
d4 {+3.40/50 2095s} 26. a5 {-3.23/50 1572s} Re6 {+3.79/50 2342s}
27. b4 {-3.43/50 595s} Rg6 {+3.96/50 1778s} 28. f3 {-3.08/50 2018s}
Bxe1 {+4.02/50 2011s} 29. fxe4 {-3.55/50 856s} fxe4 {+4.40/50 710s}
30. Qxe1 {-3.83/50 529s} Qg4 {+4.67/50 555s} 31. Qf1 {-3.89/50 277s}
Rf6 {+4.78/50 423s} 32. Qc1 {-4.35/50 1117s} Qg3 {+4.82/50 879s}
33. Ra3 {-3.88/50 1005s} e3 {+4.90/50 675s} 34. Rxe3 {-4.44/50 384s}
dxe3 {+4.84/50 382s} 35. Qxe3 {-4.62/50 292s} Qe1+ {+5.14/50 2626s}
36. Kh2 {-4.62/50 245s} Rh6+ {+5.57/50 3483s} 37. Bh3 {-4.62/50 371s}
Qh4 {+5.58/50 2195s} 38. Qb3+ {-4.73/50 572s} Kh8 {+5.58/50 266s}
39. Qf3 {-4.73/50 37s} Nd4 {+5.69/50 543s} 40. Bxd4 {-4.73/50 78s}
Qxd4 {+5.70/50 603s} 41. Qf8+ {-4.73/50 127s} Kh7 {+5.82/50 478s}
42. Qf5+ {-5.38/50 1909s} g6 {+5.99/50 1457s} 43. Qf7+ {-6.07/50 3975s}
Qg7 {+6.46/50 2030s} 44. Qf4 {-6.30/50 1708s} Qe7 {+6.58/50 365s}
45. Kg3 {-7.08/50 4676s} Rh5 {+6.58/50 85s} 46. Bg4 {-7.41/50 5499s}
Rb5 {+6.58/50 94s} 47. Qd2 {-7.61/50 3531s} Rxb4 {+7.36/50 2288s}
48. Bf3 {-7.70/50 3718s} Rb5 {+7.36/50 94s} 49. Kf2 {-8.51/50 14269s}
Qc5+ {+8.39/50 4964s} 50. Kf1 {-8.51/50 272s} Rxa5 {+9.64/50 13489s}
51. Qd7+ {-8.74/50 6257s} Kh6 {+10.79/50 17088s} 52. Qh3+ {-10.49/50 37164s}
Kg5 {+11.83/50 19151s} 53. Kg2 {-10.62/50 12291s} Qd4 {+15.51/50 70063s}
54. b3 {-18.75/50 279436s} Re5 {+19.25/50 53109s} 55. Qh7 {-19.81/50 84162s}
b5 {+50.69/50 84708s} 56. Qh1 {-47.55/50 94552s} a5 {+50.69/50 1999s}
57. Kg3 {-58.46/50 10153s} Re3 {+50.69/50 350s} 58. Kg2 {-58.78/50 775s}
a4 {+52.60/50 834s} 59. bxa4 {-147.92/50 4199s} bxa4 {+59.50/50 1035s}
60. Qb1 {-147.92/50 2966s} Re5 {+147.92/50 2239s} 61. Qc1+ {-M62/50 497s}
Kf6 {+M61/50 2010s} 62. Kf1 {-M58/50 308s} Kg7 {+M59/50 137s}
63. Qc7+ {-M54/50 130s} Kh6 {+M55/50 113s} 64. Qb8 {-M52/50 231s}
Qa1+ {+M53/50 176s} 65. Kf2 {-M50/50 20s} Rf5 {+M51/50 74s}
66. Qh2+ {-M48/50 34s} Kg7 {+M49/50 52s} 67. Qc7+ {-M46/50 79s}
Rf7 {+M47/50 50s} 68. Qc4 {-M44/50 59s} a3 {+M45/50 87s} 69. Kg2 {-M42/50 60s}
Qe5 {+M43/50 27s} 70. Qa2 {-M40/50 45s} Qg5+ {+M41/50 4.7s}
71. Kf2 {-M36/50 41s} Qc5+ {+M39/50 14s} 72. Kg2 {-M36/50 24s}
Rf5 {+M37/50 7.8s} 73. Qa1+ {-M34/50 9.5s} Kh7 {+M35/50 2.7s}
74. Qh1+ {-M32/50 5.6s} Kg8 {+M27/50 23s} 75. Kh3 {-M30/50 6.6s}
Qe3 {+M25/50 2.4s} 76. Qd1 {-M24/50 7.8s} Rh5+ {+M23/50 0.77s}
77. Kg2 {-M22/50 0.36s} Rg5+ {+M21/50 0.42s} 78. Kh3 {-M20/50 2.0s}
Qf4 {+M19/50 1.7s} 79. Qd8+ {-M18/50 0.22s} Kg7 {+M17/50 0.20s}
80. Qe7+ {-M16/50 0.22s} Kh6 {+M15/50 0.18s} 81. Qxg5+ {-M14/50 0.14s}
Qxg5 {+M13/50 0.26s} 82. Bd5 {-M12/50 0.24s} Qxd5 {+M11/50 0.26s}
83. e4 {-M10/50 0.41s} Qxe4 {+M9/50 0.48s} 84. Kg3 {-M8/50 0.12s}
a2 {+M7/50 0.12s} 85. Kf2 {-M6/50 0.010s} a1=Q {+M5/50 0.009s}
86. Kg3 {-M4/50 0.003s} Qg1+ {+M3/50 0.003s} 87. Kh3 {-M2/50 0.001s}
Qgg2# {+M1/50 0.003s, Black mates} 0-1[/pgn]
It's the third best move.
2. Bg2 is at least 0.15 better.