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 d6 13. h3 g5 14. f6 b6 15. g4 Ba6 16. h4 O-O-O 17. h5 Kb8 18. Bxa6 Rc8 19. Rd1 Ka8 20. Rc1 a5 21. 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 · Black to move · best line -845cpbacked ·3
This position: analysed (640.0M nodes across 2 passes) — Moves here: 16 searched
workers serve visitor requests first
k1r2b1r/8/1pnppP2/p5pP/3PP1P1/2P5/PP6/2R2RK1 b - - 0 1
visits 2 · nodes 640.0M · 135.4s
raw engine output (last analysis)
info depth 31 seldepth 59 multipv 1 score cp -797 nodes 512000118 nps 4579034 hashfull 458 tbhits 33463 time 111814 pv a5a4 b2b4 c8d8 c3c4 c6e5 d4e5 d6d5 c4c5 d5d4 c5c6 d8c8 c6c7 f8h6 f6f7 h8f8 b4b5 d4d3 c1d1 d3d2 g1h1 a8a7 f1f3 f8h8 e4e5 h8f8 h1g1 a7a8 g1f1 a8a7 f1e2 a7a8 f3c3 a8a7 c3c4 h6g7 e2d3 f8h8 d3c2 g7f8 h5h6
info depth 31 seldepth 59 multipv 2 score cp -891 nodes 512000118 nps 4579034 hashfull 458 tbhits 33463 time 111814 pv a8b7 d4d5 c6d8 c3c4 e6e5 c4c5 b6b5 f6f7 h8h6 g1h1 b5b4 c5c6 b7c7 a2a4 h6h8 f1f3 h8h6 h1g1 c8b8 c1d1 b8c8 d1f1 c8b8 b2b3 b8c8 f1d1 c8b8 g1f1 b8c8
· earlier wider pass ·
info depth 23 seldepth 54 multipv 1 score cp -698 nodes 128001378 nps 5419424 hashfull 100 tbhits 2615 time 23619 pv a5a4 b2b4 a4b3 f6f7 a8a7 g1h1 a7a8 f1f3 b6b5 c3c4 b5b4 c4c5 c6a7 c5c6 a7b5 c6c7 b5c3 f3f6 c3e2 h5h6 e2g3 h1g2 h8h7 f6f4
info depth 23 seldepth 46 multipv 2 score cp -760 nodes 128001378 nps 5419424 hashfull 100 tbhits 2615 time 23619 pv a8a7 d4d5 c6d8 c3c4 b6b5 e4e5 d6e5 d5d6 b5b4 c1d1 c8c5 f1e1 e6e5 d6d7 e5e4 g1f2 c5c6 d1d6 e4e3 f2e2 h8h6 e1f1 b4b3 d6c6 f8c5 a2b3 a5a4 f1d1 a7a8 d1d5 h6h8
info depth 23 seldepth 46 multipv 3 score cp -762 nodes 128001378 nps 5419424 hashfull 100 tbhits 2615 time 23619 pv b6b5 c3c4 b5b4 c4c5 c6a7 c5c6 a5a4 c6c7 a4a3 b2b3 a7b5 f6f7 b5c3 f1f6 c3e2 g1f2 a8a7 h5h6 h8h7 f2g2 e2g3 f6f2 g3h1 g2h2 h1g3 f2f1 a7a6 f1f6 g3f1 h2g2
info depth 23 seldepth 46 multipv 4 score cp -786 nodes 128001378 nps 5419424 hashfull 100 tbhits 2615 time 23619 pv c6d8 f6f7 c8c4 b2b3 c4c8 c3c4 b6b5 c4b5 d8c6 b3b4 a5b4 f1f3 a8a7 f3b3 c6b4 b3c3 b4c6 c3a3 c6a5 c1c7 c8c7 a3c3 a5c6 d4d5 h8h6 a2a4 a7a6 a4a5 c6d8 c3c1 e6d5
info depth 23 seldepth 41 multipv 5 score cp -819 nodes 128001378 nps 5419424 hashfull 100 tbhits 2615 time 23619 pv a8b7 d4d5 c6d8 c3c4 b6b5 e4e5 b7a7 c4c5 d6e5 f1d1 e6e5 c5c6 e5e4 c6c7 d8f7 d5d6 e4e3 d6d7 e3e2 d1e1 f8d6 g1g2 d6e5 d7c8n h8c8 c1c3 e5g3 e1e2 g3e5 c3e3 f7h6 e3e1 h6f7 h5h6 b5b4
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| b6b5 | unsolved | -845backed ·2 | 1 / 52 | 2 | |
| c6b8 | unsolved | -845backed ·2 | 1 / 31 | 1 | |
| a8b8 | unsolved | -868backed ·1 | 1 / 58 | 1 | |
| c6a7 | unsolved | -921 | 1 / 89 | 1 | |
| a5a4 | unsolved | -937backed ·4 | 1 / 37 | 1 | |
| a8b7 | unsolved | -1008backed ·2 | 1 / 53 | 2 | |
| f8h6 | unsolved | -1015backed ·8 | 1 / 37 | 1 | |
| c6d8 | unsolved | -1019backed ·9 | 1 / 45 | 2 | |
| c8e8 | unsolved | -1027 | 1 / 83 | 1 | |
| c8c7 | unsolved | -1031 | 1 / 75 | 2 | |
| a8a7 | unsolved | -1038backed ·3 | 1 / 53 | 2 | |
| h8h7 | unsolved | -1062backed ·2 | 1 / 76 | 1 | |
| c8b8 | unsolved | -1078backed ·2 | 1 / 60 | 1 | |
| h8h6 | unsolved | -1104backed ·3 | 1 / 37 | 2 | |
| c8d8 | unsolved | -1118backed ·4 | 1 / 45 | 2 | |
| e6e5 | unsolved | -1123backed ·2 | 1 / 59 | 1 | |
| d6d5 | unexplored | not analysed | 0 | ||
| c6b4 | unexplored | not analysed | 0 | ||
| c6d4 | unexplored | not analysed | 0 | ||
| c6e5 | unexplored | not analysed | 0 | ||
| c6e7 | unexplored | not analysed | 0 | ||
| f8e7 | unexplored | not analysed | 0 | ||
| f8g7 | unexplored | not analysed | 0 | ||
| h8h5 | unexplored | not analysed | 0 | ||
| h8g8 | unexplored | not analysed | 0 |