1. Nf3 f6 2. e4 e6 3. Nc3 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 d6 13. h3 g5 14. f6 b6 15. g4 Ba6 16. h4 O-O-O
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 +966cpbacked ·13
This position: analysed (640.0M nodes across 2 passes) — Moves here: 31 searched
workers serve visitor requests first
2kr1b1r/p7/bpnppP2/1B4p1/3PP1PP/2P5/PP6/R3K2R w KQ - 0 1
visits 2 · nodes 640.0M · 133.2s
raw engine output (last analysis)
info depth 35 seldepth 65 multipv 1 score cp 672 nodes 512001297 nps 4496129 hashfull 956 tbhits 45268 time 113876 pv h4g5 c8b8 h1h7 h8h7 e1e2 c6b4 a1h1 d6d5 h1h7 f8g7 h7h4 g7h6 f6f7 d8f8 h4h2 b4d3 g4g5 d3f4 e2f1 h6g7 g5g6 f4h3 e4e5 f8h8 f7f8q g7f8 g6g7 h8g8 b5a6 h3f2 f1g2 b8b7 c3c4 a7a6 g2g3 d5c4 g3h4 b7a7 h2g2 f2d3 d4d5 d3b4 g2e2 g8c8 g7g8r c8c4 e2e4
info depth 35 seldepth 64 multipv 2 score cp 643 nodes 512001297 nps 4496129 hashfull 956 tbhits 45268 time 113876 pv h4h5 c8b8 a1c1 b8a8 f6f7 e6e5 c1d1 c6b4 e1g1 b4d3 f1f6 d3f2 d1d2 f2h3 g1h2 h3g1 d2d1 a8b8 h5h6 f8h6 f6h6 d8f8 c3c4 a6c8 b5d7 b8a8 h6h7 a7a5 c4c5 b6b5 b2b4 g1f3 h2g2 a5b4 d1c1
· earlier wider pass ·
info depth 22 seldepth 55 multipv 1 score cp 707 nodes 128003777 nps 6629572 hashfull 739 tbhits 2026 time 19308 pv a1c1 c6e5 d4e5 d6d5 c1d1 d5d4 f6f7 a6b5 b2b4 a7a5 c3c4 a5b4 e1d2 d4d3 d1b1 b6b5 a2a3 c8d7 h4h5 b5b4 c4c5 b4b3 a3a4 d7c8 a4a5 c8b7 c5c6 b7c7 h5h6 f8b4 d2d1 b4c5 a5a6 c5a7 f7f8q h8f8
info depth 22 seldepth 44 multipv 2 score cp 696 nodes 128003777 nps 6629572 hashfull 739 tbhits 2026 time 19308 pv h4h5 c8b8 a1c1 f8h6 f6f7 h8f8 b2b3 b8a8 e1g1 c6b4 c3c4 b4d3 b5d7 d3f4 a2a4 f4e2 g1g2 a6b7 a4a5 e2c1 a5b6 a7a5 e4e5 d8b8 d4d5
info depth 22 seldepth 53 multipv 3 score cp 563 nodes 128003777 nps 6629572 hashfull 739 tbhits 2026 time 19308 pv a1d1 c8b8 b5a6 h8h7 b2b4 a7a5 h4h5 a5b4 f6f7 d8c8 d1c1 h7h6 e1g1 h6h8 f1f3 h8h6 c3c4 c6b4 g1h2 b4d3 c1b1 h6h8 f3f6
info depth 22 seldepth 44 multipv 4 score cp 547 nodes 128003777 nps 6629572 hashfull 739 tbhits 2026 time 19308 pv f6f7 c8b8 b5a6 a7a5 h4h5 c6e7 c3c4 e7c6 a2a3 e6e5 c4c5 d6d5 c5b6 d5e4 e1g1 h8h6 f1c1 h6f6 c1c8 b8a7 c8a8 a7b7 a8b8 b7a7 a1c1 e5d4
info depth 22 seldepth 54 multipv 5 score cp 512 nodes 128003777 nps 6629572 hashfull 739 tbhits 2026 time 19308 pv b5a6 c6e5 d4e5 d6d5 a1d1 d5d4 f6f7 c8b8 h4h5 b6b5 h5h6 d4d3 d1d2 d8c8 e1d1 a7a5 d2f2 a5a4 h1e1 e6e5
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| h4h5 | unsolved | 966backed ·12 | 23 / 1 | 1 | |
| a1d1 | unsolved | 904backed ·7 | 46 / 45 | 1 | |
| a1c1 | unsolved | 784backed ·5 | 25 / 1 | 1 | |
| f6f7 | unsolved | 660backed ·1 | 37 / 1 | 1 | |
| h4g5 | unsolved | 573backed ·7 | 39 / 1 | 1 | |
| a2a3 | unsolved | 556backed ·2 | 37 / 1 | 1 | |
| h1h2 | unsolved | 543backed ·2 | 31 / 1 | 1 | |
| b5a6 | unsolved | 533 | 41 / 1 | 1 | |
| e1f2 | unsolved | 502 | 37 / 1 | 1 | |
| a2a4 | unsolved | 493 | 67 / 1 | 1 | |
| b2b3 | unsolved | 487 | 40 / 1 | 1 | |
| a1b1 | unsolved | 487 | 40 / 1 | 1 | |
| c3c4 | unsolved | 484 | 40 / 1 | 1 | |
| e1c1 | unsolved | 406 | 37 / 1 | 1 | |
| d4d5 | unsolved | 336 | 37 / 1 | 1 | |
| e1e2 | unsolved | 322 | 40 / 1 | 1 | |
| e1d2 | unsolved | 308 | 40 / 1 | 1 | |
| h1g1 | unsolved | 256 | 44 / 1 | 1 | |
| e1f1 | unsolved | 200 | 44 / 1 | 1 | |
| e1d1 | unsolved | 150 | 44 / 1 | 1 | |
| e4e5 | unsolved | 74 | 44 / 1 | 1 | |
| b2b4 | unsolved | 0 | 44 / 1 | 1 | |
| b5c6 | unsolved | 0 | 59 / 1 | 1 | |
| h1f1 | unsolved | 0 | 52 / 1 | 1 | |
| b5a4 | unsolved | -7 | 65 / 1 | 1 | |
| b5d3 | unsolved | -364backed ·1 | 59 / 1 | 1 | |
| b5c4 | unsolved | -364 | 66 / 1 | 1 | |
| h1h3 | BLACK_WIN MINIMAX | -≤M18 | ∞ / 0 | 1 | |
| e1g1 | BLACK_WIN MINIMAX | -≤M16 | ∞ / 0 | 1 | |
| b5f1 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 | |
| b5e2 | BLACK_WIN MINIMAX | -≤M1 | ∞ / 0 | 1 |