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 Qa7 18. Qxa6 Bd2 19. axb5 O-O 20. f5
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 -1174cpbacked ·3
This position: analysed (640.0M nodes across 2 passes) — Moves here: 36 searched
workers serve visitor requests first
r4rk1/3p2p1/5n2/5PBp/4P3/7P/1PPb2P1/R4RK1 b - - 0 1
visits 2 · nodes 640.0M · 109.1s
raw engine output (last analysis)
info depth 22 seldepth 57 multipv 1 score cp -1117 nodes 512001121 nps 5549907 hashfull 935 tbhits 177382 time 92254 pv g7g6 a1a7 a8b8 a7b7 b8c8 e4e5 c8c5 e5e6 f8b8 g2g3 h5h4 b2b4 c5c4 g5f6 h4g3 e6e7 g6f5 e7e8r b8e8 b7b8 g8h7 f1f7 h7g6 f7g7 g6f5
info depth 22 seldepth 57 multipv 2 score cp -1127 nodes 512001121 nps 5549907 hashfull 935 tbhits 177382 time 92254 pv a8a2 a1a2 f8b8 b2b4 g7g6 f1a1 f6e8 f5f6 e8f6 a1a8 d7d6 b4b5 d2a5 a8b8 a5b6 g1h1 g6g5 c2c4 b6c7 b5b6 c7b6
· earlier wider pass ·
info depth 18 seldepth 30 multipv 1 score cp -886 nodes 128005317 nps 7602620 hashfull 599 tbhits 58080 time 16837 pv g7g6 a1a7 a8b8 b2b4 h5h4 g1h1 b8b6 b4b5 f8c8 e4e5 g6f5 a7a8 d2b4 f1f8 g8h7 f8h8 h7g7 h8h7 g7g8 h7d7 g8g7
info depth 18 seldepth 26 multipv 2 score cp -930 nodes 128005317 nps 7602168 hashfull 599 tbhits 58080 time 16838 pv d2e3 g1h1 a8a2 a1a2 e3d4 g5e3 f8a8 e4e5 f6e8 g2g3 a8a4 e3d2 d4c3 b2b4 g8h8 d2c1 c3b2 c1e3
info depth 18 seldepth 40 multipv 3 score cp -943 nodes 128005317 nps 7602168 hashfull 599 tbhits 58080 time 16838 pv f8c8 e4e5 c8c4 a1a7 f6d5 e5e6 d2g5 g2g3 d5f6 f1f4 c4c5 c2c4 c5a5 f4f1 g7g5 f1a1 a5e5 a1e1 e5a5 e6e7 f6e8 f5f6
info depth 18 seldepth 42 multipv 4 score cp -948 nodes 128005317 nps 7602168 hashfull 599 tbhits 58080 time 16838 pv a8b8 a1a8 f8e8 b2b4 h5h4 e4e5 f6e4 b4b5 b8b6 a8a7 d2c3 g2g3 h4g3 e5e6 c3d4 g5e3 e4g3 f1a1 g3e2 g1h1
info depth 18 seldepth 35 multipv 5 score cp -957 nodes 128005317 nps 7602168 hashfull 599 tbhits 58080 time 16838 pv d2a5 e4e5 h5h4 g2g4 h4g3 e5e6 g7g6 g5e3 g6g5 b2b4 a5b6 a1a8 d7d5 e6e7 f8c8 f1a1 f6e8 f5f6 c8c3 f6f7 g8h7 g1h1 b6e3 f7f8q
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| f8c8 | unsolved | -1174backed ·2 | 1 / 65 | 2 | |
| g8h8 | unsolved | -1174backed ·4 | 1 / 80 | 1 | |
| h5h4 | unsolved | -1177backed ·2 | 1 / 34 | 1 | |
| d2b4 | unsolved | -1181backed ·4 | 1 / 65 | 1 | |
| a8a2 | unsolved | -1183backed ·5 | 1 / 88 | 1 | |
| a8a4 | unsolved | -1183backed ·5 | 1 / 76 | 1 | |
| a8a5 | unsolved | -1183backed ·5 | 1 / 77 | 1 | |
| a8a6 | unsolved | -1183backed ·5 | 1 / 93 | 1 | |
| a8c8 | unsolved | -1193backed ·2 | 1 / 65 | 1 | |
| f8e8 | unsolved | -1193backed ·2 | 1 / 80 | 1 | |
| d2e1 | unsolved | -1197backed ·3 | 1 / 33 | 2 | |
| a8b8 | unsolved | -1198backed ·4 | 1 / 72 | 1 | |
| a8d8 | unsolved | -1205 | 1 / 110 | 1 | |
| f8d8 | unsolved | -1212 | 1 / 110 | 1 | |
| d2a5 | unsolved | -1216backed ·2 | 1 / 93 | 1 | |
| d2c1 | unsolved | -1249backed ·2 | 1 / 93 | 1 | |
| d2e3 | unsolved | -1249backed ·2 | 2 / 18 | 1 | |
| d2f4 | unsolved | -1249backed ·2 | 1 / 107 | 1 | |
| a8a7 | unsolved | -1250backed ·2 | 1 / 79 | 1 | |
| a8e8 | unsolved | -1250 | 1 / 110 | 1 | |
| a8a1 | unsolved | -1301 | 1 / 100 | 1 | |
| d7d6 | unsolved | -1349 | 1 / 95 | 1 | |
| d7d5 | unsolved | -1351 | 1 / 111 | 1 | |
| g7g6 | unsolved | -1362backed ·3 | 1 / 36 | 2 | |
| d2c3 | unsolved | -1364 | 1 / 110 | 1 | |
| a8a3 | unsolved | -1545 | 1 / 106 | 1 | |
| f6g4 | unsolved | -1574 | 1 / 111 | 1 | |
| f6h7 | unsolved | -1673 | 1 / 113 | 1 | |
| f8b8 | unsolved | -1931 | 1 / 102 | 1 | |
| f8f7 | unsolved | -1951 | 1 / 110 | 1 | |
| f6d5 | unsolved | -2917 | 1 / 114 | 1 | |
| f6e8 | unsolved | -9500 | 1 / 161 | 1 | |
| f6e4 | WHITE_WIN MINIMAX | -≤M29 | 0 / ∞ | 1 | |
| d2g5 | WHITE_WIN MINIMAX | -≤M19 | 0 / ∞ | 1 | |
| g8h7 | WHITE_WIN MINIMAX | -≤M2 | 0 / ∞ | 1 | |
| g8f7 | WHITE_WIN MINIMAX | -≤M1 | 0 / ∞ | 1 |