1. Nf3 f6 2. e4 e6 3. Na3 c6 4. Nb5 cxb5 5. d4 Nc6 6. Bb5 h5 7. c3 Nh6 8. Ne5 fxe5 9. Bg5 Qf6 10. f4 Ng4 11. f5 Qxg5 12. Qxh5 g5 13. h3 Bg7 14. fxe6 g4 15. Rf1 Bf6 16. O-O-O gxh3 17. e5 Bg5 18. Kb1 Bf4 19. g3 Rh2 20. Rf2 d5 21. exd6 Kf7
Center Attack
Reference: 1. e4 e6 2. Nf3 f6
Suggest a name for this position
Propose this line as an exploration campaign
Keyboard move list
UNSOLVED · White to move · best line +1178cpbacked ·5
This position: analysed (640.0M nodes across 2 passes) — Moves here: 34 searched
workers serve visitor requests first
r1b5/pp3k2/8/1B6/3P1b2/2P3P1/PP3R1r/1K1R4 w - - 0 1
visits 2 · nodes 640.0M · 40.2s
raw engine output (last analysis)
info depth 21 seldepth 60 multipv 1 score cp 1024 nodes 512004713 nps 15884488 hashfull 179 tbhits 356487 time 32233 pv b5e8 f7f6 g3f4 f6g5 f2g2 g5h4 d4d5 c8e6 a2a3 a7a5 d5d6 h2g2 d1g1 b7b6 b2b3 h4h3 b1a1 h3h2 g1g2 h2h3 c3c4 a8b8 g2g3 h3h2 g3g1 h2h3 g1g2 e6d7
info depth 20 seldepth 61 multipv 2 score cp 761 nodes 512004713 nps 15884488 hashfull 179 tbhits 356487 time 32233 pv g3f4 c8f5 b1a1 a8h8 d4d5 h2h1 f2h2 h8h3 h2h3 h1h2 d1d2 h2h1 b5f1 f5d3 d2h2 h1g1 h2h6 d3c4 a2a4 c4d5 h6f6 f7e8 f6a6
· earlier wider pass ·
info depth 16 seldepth 51 multipv 1 score cp 902 nodes 128001130 nps 16000141 hashfull 54 tbhits 75921 time 8000 pv b5e8 f7f6 g3f4 f6g5 b1c1 c8e6 f2g2 g5f4 d1e1 h2g2 e1e3 a7a5 e3f3 f4g4 e8h5 g4h4 f3h3 h4g5 h3g3 g5h4 g3g4 h4h3 g4g7 b7b5 h5g6 a8f8 g7f7 f8d8 f7f3 h3h4
info depth 15 seldepth 61 multipv 2 score cp 764 nodes 128001130 nps 16000141 hashfull 54 tbhits 75921 time 8000 pv d4d5 f7g7 g3f4 c8g4 d1h1 a8h8 d5d6 a7a5 b5d3 a5a4 d3e4 g4f5 d6d7 f5d7 h1h2 h8d8 e4d3 d8e8 f2f7 g7h6 f7e7 e8f8 c3c4 f8f2 d3e2 h6g5 e7g7
info depth 15 seldepth 50 multipv 3 score cp 760 nodes 128001130 nps 16000141 hashfull 54 tbhits 75921 time 8000 pv g3f4 c8f5 b1a1 a8h8 d4d5 h2h1 f2h2 h8h3 h2h3 h1h2 d1d2 h2h1 b5f1 f5d3 d2h2 d3e4
info depth 15 seldepth 57 multipv 4 score cp 743 nodes 128001130 nps 16000141 hashfull 54 tbhits 75921 time 8000 pv b1a1 f7g7 g3f4 c8g4 d1c1 a8d8 d4d5 g4e6 f2h2 e6d5 c1d1 d8h8 d1h1 h8d8 b5d3 d8g8
info depth 15 seldepth 64 multipv 5 score cp 715 nodes 128001130 nps 16000141 hashfull 54 tbhits 75921 time 8000 pv b2b3 f7g7 g3f4 c8f5 b1a1 a8h8 f2h2 h8h2 d1d2 h2h1 b5f1 f5e6 d4d5 e6d5 d2h2 h1g1 h2h7 g7f6 b3b4 g1g8
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| b5e8 | unsolved | 1178backed ·4 | 6 / 41 | 2 | |
| d4d5 | unsolved | 1042backed ·2 | 27 / 1 | 2 | |
| g3f4 | unsolved | 890backed ·2 | 8 / 1 | 1 | |
| a2a3 | unsolved | 866backed ·4 | 26 / 1 | 1 | |
| b2b3 | unsolved | 841backed ·2 | 27 / 1 | 1 | |
| b5d7 | unsolved | 832backed ·8 | 24 / 1 | 1 | |
| a2a4 | unsolved | 762 | 33 / 1 | 1 | |
| b1a1 | unsolved | 744backed ·2 | 26 / 1 | 1 | |
| b2b4 | unsolved | 741 | 37 / 1 | 1 | |
| d1h1 | unsolved | 679 | 37 / 1 | 1 | |
| b5d3 | unsolved | 391 | 38 / 1 | 1 | |
| b5a4 | unsolved | 294 | 46 / 1 | 1 | |
| b5c4 | unsolved | 266 | 22 / 1 | 1 | |
| c3c4 | unsolved | 242 | 43 / 1 | 1 | |
| g3g4 | unsolved | 122 | 49 / 1 | 1 | |
| b1c2 | unsolved | 30 | 45 / 1 | 1 | |
| f2h2 | unsolved | 8 | 39 / 1 | 1 | |
| b5f1 | unsolved | 0 | 63 / 1 | 1 | |
| b5e2 | unsolved | 0 | 63 / 1 | 1 | |
| b5a6 | unsolved | 0 | 52 / 1 | 1 | |
| b5c6 | unsolved | 0 | 45 / 1 | 1 | |
| d1e1 | unsolved | 0 | 45 / 1 | 1 | |
| d1f1 | unsolved | 0 | 60 / 1 | 1 | |
| d1g1 | unsolved | 0 | 61 / 1 | 1 | |
| d1d2 | unsolved | 0 | 45 / 1 | 1 | |
| d1d3 | unsolved | 0 | 61 / 1 | 1 | |
| f2g2 | unsolved | 0 | 61 / 1 | 1 | |
| f2e2 | BLACK_WIN MINIMAX | -≤M8 | ∞ / 0 | 1 | |
| f2d2 | BLACK_WIN MINIMAX | -≤M5 | ∞ / 0 | 1 | |
| d1c1 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 | |
| f2f1 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 | |
| f2c2 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 | |
| f2f3 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 | |
| f2f4 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 |