1. Nf3 f6 2. e4 e6 3. Na3 c6 4. Nb5 cxb5 5. d4 Nc6 6. Bb5 a6 7. O-O axb5 8. h3 h5 9. Qd3 b5 10. Qc3 Qc7 11. Ne5 Ba6 12. Qa5 fxe5 13. Bf4 e5 14. Bg5 Bb4 15. Qb6 Nf6 16. f4 exd4 17. a4
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 · Black to move · best line -1137cpbacked ·18
This position: analysed (768.0M nodes across 3 passes) — Moves here: 49 searched
workers serve visitor requests first
r3k2r/2qp2p1/bQ3n2/1p4Bp/Pb2PP2/7P/1PP3P1/R4RK1 b kq - 0 1
visits 3 · nodes 768.0M · 91.7s
raw engine output (last analysis)
info depth 24 seldepth 60 multipv 1 score cp -862 nodes 512000470 nps 6639096 hashfull 933 tbhits 167079 time 77119 pv e8g8 b6d6 g8h7 g5f6 f8f6 d6d5 b5a4 f1d1 a6f1 g2g4 c7b6 d5c5 h5g4 f4f5 f6d6 c5b6 f1d3 c2c4 a8d8 a1a8 d6b6 a8d8 h7h6 b2b4 d7d5 g1f2 d3f1 d1a1 b6b8
info depth 24 seldepth 55 multipv 2 score cp -928 nodes 512000470 nps 6639010 hashfull 933 tbhits 167079 time 77120 pv b4e1 b6d6 c7d6 a4b5 e8g8 f4f5 f8c8 a1a7 g7g6 g1h1 c8c5 g5c1 g6g5 g2g3 g5g4 h3h4 a8a7 c2c4 c5a5 b2b4 a5a8 e4e5 a8a2 c1b2 f6e4 f5f6 e1c3 f6f7 g8f8 f1e1 c3e1
· earlier wider pass ·
info depth 17 seldepth 36 multipv 1 score cp -718 nodes 128002147 nps 14801358 hashfull 432 tbhits 26716 time 8648 pv b4e1 b6d6 c7d6 a4b5 e8g8 f4f5 a8a4 g2g3 f8a8 g1h1 f6g4 g5d2 g4e3 f5f6 g7f6 f1f8 g8h7 f8f7 h7g8 d2b4 e1c3 f7g7 g8h8 g7g8 h8h7 g8h8 h7g7 b4f8 g7f7 b2c3
info depth 17 seldepth 42 multipv 2 score cp -776 nodes 128002147 nps 14801358 hashfull 432 tbhits 26716 time 8648 pv a6c8 b6d6 b4d6 a4b5 d7d5 a1a7 a8a7 f4f5 c8b7 g2g3 e8g8 e4e5 f8c8 c2c4 f6g4 f5f6 g7f6 f1f8 g8h7
info depth 16 seldepth 89 multipv 3 score cp -779 nodes 128002147 nps 14801358 hashfull 432 tbhits 26716 time 8648 pv b4d2 b6d6 c7d6 a4b5 e8g8 f4f5 f8c8 a1a7 c8c4 e4e5 d2e3 g1h1 f6e4 g2g3 e3c1
info depth 16 seldepth 56 multipv 4 score cp -873 nodes 128002147 nps 14801358 hashfull 432 tbhits 26716 time 8648 pv e8g8 b6d6 g8h8 g5f6 b5a4 f1d1 c7c5 d6d4 c5e5 d4e5 d7d6 e4e5 f8c8 e5e6 c8c4 e6e7 a8e8 a1a4 c4c2 g1f2 a6b7
info depth 16 seldepth 36 multipv 5 score cp -934 nodes 128002147 nps 14801358 hashfull 432 tbhits 26716 time 8648 pv b4c5 g1h1 c5e3 g5f6 c7b6 a4b5 e8g8 a1a7 g7g5 f4f5 f8f6 e4e5 f6a6 g2g3 a6a4 f5f6 a4d4
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| b4e1 | unsolved | -1103backed ·18 | 10 / 63 | 1 | |
| b4d2 | unsolved | -1144backed ·8 | 4 / 61 | 2 | |
| e8g8 | unsolved | -1147backed ·9 | 7 / 67 | 1 | |
| a6c8 | unsolved | -1151backed ·8 | 4 / 125 | 2 | |
| b4c5 | unsolved | -1154backed ·3 | 1 / 10 | 1 | |
| b4d6 | unsolved | -1283 | 1 / 108 | 1 | |
| b4a3 | unsolved | -1317backed ·2 | 1 / 89 | 1 | |
| b4c3 | unsolved | -1317backed ·2 | 1 / 71 | 1 | |
| h5h4 | unsolved | -1341 | 1 / 93 | 1 | |
| b4a5 | unsolved | -1495 | 1 / 108 | 1 | |
| g7g6 | unsolved | -1505 | 1 / 94 | 1 | |
| a8a7 | unsolved | -1594 | 1 / 102 | 1 | |
| h8h7 | unsolved | -1607 | 1 / 118 | 1 | |
| a8b8 | unsolved | -1621 | 1 / 118 | 1 | |
| h8h6 | unsolved | -1634 | 1 / 118 | 1 | |
| a8c8 | unsolved | -1659 | 1 / 118 | 1 | |
| d7d6 | unsolved | -1718 | 1 / 92 | 1 | |
| f6h7 | unsolved | -1723 | 1 / 122 | 1 | |
| c7b6 | unsolved | -1727backed ·2 | 1 / 88 | 1 | |
| c7c4 | unsolved | -1727backed ·2 | 1 / 69 | 1 | |
| c7c5 | unsolved | -1727backed ·2 | 1 / 26 | 1 | |
| a6b7 | unsolved | -1765backed ·2 | 1 / 102 | 1 | |
| c7a7 | unsolved | -1765backed ·2 | 1 / 93 | 1 | |
| b4f8 | unsolved | -1806 | 1 / 111 | 1 | |
| h8f8 | unsolved | -1973 | 1 / 118 | 1 | |
| e8f8 | unsolved | -2080 | 1 / 102 | 1 | |
| h8g8 | unsolved | -2163 | 1 / 118 | 1 | |
| b5a4 | unsolved | -2461 | 1 / 97 | 1 | |
| b4e7 | unsolved | -3031 | 1 / 119 | 1 | |
| a8d8 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7b7 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7b8 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7c2 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7c3 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7c6 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7c8 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7d6 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7e5 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7f4 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| d7d5 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| f6d5 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| f6e4 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| f6g4 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| f6g8 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| c7d8 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 | |
| e8c8 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 | |
| e8d8 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 | |
| e8e7 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 | |
| e8f7 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 |