1. d4 Na6 2. Nf3 f6 3. Nc3 d5 4. Nb5 Bg4 5. e4 e6 6. exd5 Nh6 7. Nxc7 Nf5 8. Bb5 Kd8 9. Qd2 Ne3 10. Ng5 Bb4 11. c3 Nc2 12. Qxc2
Big White Center Variation
Reference: 1. d4 Na6 2. Nf3 f6
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Keyboard move list
UNSOLVED · Black to move · best line -799cpbacked ·55
This position: analysed (2.51B nodes across 2 passes) — Moves here: 31 searched
workers serve visitor requests first
r2k3r/pp4pp/n3pp2/1B4N1/1b1P2b1/2P5/PP3PPP/R3K2R b KQ - 0 1
visits 2 · nodes 2.51B · 605.9s
raw engine output (last analysis)
info depth 39 seldepth 79 multipv 1 score cp -489 nodes 2000000411 nps 3315892 hashfull 997 tbhits 95421 time 603156 pv g4e2 g5f7 d8e7 f7d8 e6e5 h2h4 g7g5 h4g5 h7h5 b5e8 b4a5 b2b4 a6c5 d4c5 a8c8 c3c4 h5h4 c4c5 b7b6 c5c6 b6b5 b4a5 b5b4 d8e6 h8g8 e6f8 c8c7 f8g6 g8g6 h1h3 e5e4 h3d3 b4b3 a2b3 e2d3 a1a5 f6f5 a5e5 e7d6 e1d1 h4h3 g2h3 a7a5 e5e7 c7c8 c6c7 d6c5 e7e5 c5c4 e5c5 c4d3 c5c2 d3d2 d1c1 d2d1 e8a4 f5f4 c2e2 d1d2 c1b1 d2c1
info depth 39 seldepth 34 multipv 2 score cp -612 upperbound nodes 2000000411 nps 3315886 hashfull 997 tbhits 95421 time 603157 pv h8f8 f2f3
· earlier wider pass ·
info depth 16 seldepth 62 multipv 1 score cp -374 nodes 512076021 nps 183935352 hashfull 897 tbhits 0 time 2784 pv g4e2 g5f7 d8e7 f7d8 e6e5 h2h4 g7g5 h4g5 h7h5 b5e8 b4a5 b2b4 a6c5 d4c5 a8c8 c3c4 h5h4 c4c5 b7b6 c5c6 f6f5 f2f4 h8g8 e8g6 b6b5 b4a5 b5b4 g2g4 h4h3 h1h2 a7a5 g4g5 e2d3 a1d1 a5a4 g6f7 b4b3 a2b3 a4a3 f7g8 c8b8 c6c7 b8b1 d1b1 a3a2 c7c8q a2a1q c8c1 a1a5 c1c3
info depth 16 seldepth 51 multipv 2 score cp -550 nodes 512076021 nps 183869307 hashfull 897 tbhits 0 time 2785 pv d8c7 g5f7 g4e2 f7d6 c7d8 d6b7 b4d6 g2g3 h7h5 h2h4 f6f5 e1d2 f5f4 a1e1 f4g3 f2f4 g7g5 b5d7
info depth 16 seldepth 34 multipv 3 score cp -587 nodes 512076021 nps 183869307 hashfull 897 tbhits 0 time 2785 pv h8f8 f2f3 b4a3 a1d1 f6g5 e1g1 a3d6 g2g3 a6b4 g1h1 b4c2 b5c6 b7b6 c6a8 c2e1 f3f4 e1d3 f4f5 d6b8 d1d3 e6e5 d4e5 f8f6
info depth 16 seldepth 39 multipv 4 score cp -638 nodes 512076021 nps 183869307 hashfull 897 tbhits 0 time 2785 pv e6e5 f2f3 e5e4 g5f7 d8e7 f3g4 h7h5 g2g3 e4e3 e1e2 h5h4 g3g4 e7f8 h1f1 g7g6 b5d7 b7b6 f7g5 h8h7 d7e8 h7d7 e8d7 b4d6 b2b4 a6c7
info depth 16 seldepth 35 multipv 5 score cp -664 nodes 512076021 nps 183869307 hashfull 897 tbhits 0 time 2785 pv d8c8 b5d7 c8c7 g5f7 g4e2 f7d6 c7d8 d6b7 b4d6 g2g3 h7h5 h2h4 f6f5 b2b4 f5f4 e1d2 f4g3 d7e6 h8e8 a1e1 a7a5 d2c1 a5b4 h1g1 g7g5 h4g5 h5h4
Moves
| move | state | eval | pn / dn | depth | |
|---|---|---|---|---|---|
| g4e2 | unsolved | -799backed ·54 | 56 / 74 | 2B | |
| d8c7 | unsolved | -799backed ·58 | 53 / 88 | 2B | |
| h8f8 | unsolved | -800backed ·12 | 9 / 99 | 512M | |
| e6e5 | unsolved | -821backed ·12 | 1 / 70 | 128M | |
| b4f8 | unsolved | -851backed ·5 | 1 / 77 | 512M | |
| b7b6 | unsolved | -853backed ·10 | 1 / 119 | 512M | |
| f6g5 | unsolved | -873backed ·2 | 1 / 59 | 512M | |
| g4h5 | unsolved | -875backed ·7 | 1 / 55 | 512M | |
| b4e7 | unsolved | -896 | 1 / 77 | 512M | |
| d8c8 | unsolved | -903 | 1 / 76 | 128M | |
| h7h5 | unsolved | -925backed ·3 | 1 / 76 | 512M | |
| g4d1 | unsolved | -974 | 1 / 76 | 512M | |
| a8b8 | unsolved | -1025 | 1 / 84 | 512M | |
| b4c5 | unsolved | -1026 | 1 / 94 | 512M | |
| a6c7 | unsolved | -1028 | 1 / 84 | 512M | |
| h8g8 | unsolved | -1036 | 1 / 92 | 512M | |
| f6f5 | unsolved | -1056 | 1 / 84 | 512M | |
| h7h6 | unsolved | -1071 | 1 / 76 | 512M | |
| g7g6 | unsolved | -1089 | 1 / 84 | 512M | |
| a6b8 | unsolved | -1097 | 1 / 100 | 512M | |
| b4a3 | unsolved | -1100 | 1 / 76 | 512M | |
| g4f5 | unsolved | -1115 | 1 / 88 | 512M | |
| a8c8 | unsolved | -1184 | 1 / 84 | 512M | |
| b4a5 | unsolved | -1257 | 1 / 108 | 512M | |
| g4f3 | unsolved | -1270 | 1 / 76 | 512M | |
| g4h3 | unsolved | -1304 | 1 / 79 | 512M | |
| a6c5 | unsolved | -1480 | 1 / 85 | 512M | |
| b4c3 | WHITE_WIN MINIMAX | -≤M9 | 0 / ∞ | 512M | |
| b4d6 | WHITE_WIN MINIMAX | -≤M5 | 0 / ∞ | 512M | |
| d8e7 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 512M | |
| h8e8 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 512M |