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. Rf1 e5 14. dxe5 d6 15. O-O-O d5 16. e5 g4 17. Rxd5 Kf7 18. Bc4 Kg7 19. f6 Kh7 20. e6 Bh6 21. Kb1 Bd2 22. f7 Bxe6 23. Bb5 Rhf8 24. Rf5 Kg7 25. Bd7 Bg5 26. c4 a6
Center Attack
Reference: 1. e4 e6 2. Nf3 f6
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Propose this line as an exploration campaign
Keyboard move list
UNSOLVED · White to move · best line +1220cpbacked ·6
This position: analysed (640.0M nodes across 2 passes) — Moves here: 27 searched
workers serve visitor requests first
r4r2/1p1B1Pk1/p7/5Rb1/2P3p1/8/PP4PP/1K6 w - - 0 1
visits 2 · nodes 640.0M · 127.8s
raw engine output (last analysis)
info depth 27 seldepth 72 multipv 1 score cp 1223 nodes 512005884 nps 4809418 hashfull 374 tbhits 461556 time 106459 pv d7c8 b7b6 b2b4 a6a5 b4b5 a8a7 f5f6 a7a8 a2a4 g7h8 f6f5 h8h7 c4c5 b6c5 b5b6 a8b8 g2g3 h7g7 f5d5 g5h6 d5e5 g7g6 e5h5 g6f6 h5f5 f6e7 f5d5 h6g5 b6b7 g5h6 c8d7 e7f6 d5e5 h6d2 d7c8
info depth 27 seldepth 64 multipv 2 score cp 1117 nodes 512005884 nps 4809418 hashfull 374 tbhits 461556 time 106459 pv b2b4 a8d8 a2a4 g7h8 c4c5 h8g7 g2g3 g7h8 f5e5 g5e3 e5h5 h8g7 b1c2 e3f2 h5h6 f2e3 h2h3 g4h3 g3g4 e3g5 c2b1 g5f4 h6h8 g7f6 g4g5 f6e5 g5g6 e5d4 g6g7 f4h6 h8f8 h6g7 f7f8q d4c3 f8g8 c3d3 g8h8 d3c2 b1c1 c2d2 c1c2 d2c3 h8g7
· earlier wider pass ·
info depth 26 seldepth 55 multipv 1 score cp 1061 nodes 128000754 nps 5992544 hashfull 99 tbhits 119992 time 21360 pv d7c8 b7b6 b2b4 a6a5 b4b5 g5e3 a2a4 e3f4 f5h5 g7f6 g2g3 a8b8 h5g5 f4d2 g5e5 f6g6 e5f5 g6g7 f5h5 g7f6 h5g5 d2e3 g5e5 e3f2 e5f5 f6e7 f5f6 f2e3 h2h4 g4h3 g3g4 e3h6 f6e6 e7d8
info depth 25 seldepth 60 multipv 2 score cp 998 nodes 128000754 nps 5992544 hashfull 99 tbhits 119992 time 21360 pv b2b4 b7b5 c4c5 a8a7 c5c6 a7c7 d7c8 g7h8 f5e5 g5h6 e5h5 c7e7 c8e6 e7c7 a2a4 a6a5 g2g3 f8f7 h5f5 h6f4 f5f7 f4e5 f7h7 h8g8 h7g7 g8h8 g7e7 h8g8 e7e8
info depth 25 seldepth 63 multipv 3 score cp 814 nodes 128000754 nps 5992544 hashfull 99 tbhits 119992 time 21360 pv f5d5 a6a5 d7c8 b7b6 b2b3 g7h8 b1c2 g5e3 c2d1 e3h6 d1e2 f8d8 c8d7 d8f8 d5h5 b6b5 c4c5 b5b4 c5c6 a5a4 c6c7 a4b3 h5a5 f8d8 f7f8b h6f8 a5h5 h8g7 h5g5 g7f6 g5f5 f6g6 f5f6 g6g7 f6g6 g7h7 g6g7 h7h6 g7h7 h6g6 d7f5 g6f6 h7h6 f6e5 h6e6 e5d4 c7c8q
info depth 25 seldepth 77 multipv 4 score cp 809 nodes 128000754 nps 5992544 hashfull 99 tbhits 119992 time 21360 pv b2b3 a6a5 d7c8 b7b6 f5d5 g7h8 b1c2 g5e3 d5h5 e3h6 c2d3 a8b8 d3e2 b8a8 g2g3 a8b8 c8d7 b8b7 h5b5 b7b8 h2h3 b8d8 b5h5 b6b5
info depth 25 seldepth 83 multipv 5 score cp 809 nodes 128000754 nps 5992544 hashfull 99 tbhits 119992 time 21360 pv b1c2 a6a5 d7c8 b7b6 b2b3 g7h8 f5d5 g5e3 d5h5 e3h6 c2d3 a8b8 d3e2 b8a8 g2g3 a8b8 c8d7 b8b7 h5b5 b7b8 h2h3 h8g7 b5h5 b6b5
Moves
| move | state | eval | pn / dn | visits | |
|---|---|---|---|---|---|
| d7c8 | unsolved | 1220backed ·5 | 59 / 2 | 1 | |
| a2a4 | unsolved | 1080backed ·1 | 30 / 1 | 1 | |
| b2b3 | unsolved | 1035backed ·4 | 29 / 1 | 2 | |
| b1a1 | unsolved | 1034 | 33 / 1 | 1 | |
| a2a3 | unsolved | 1030 | 33 / 1 | 1 | |
| b2b4 | unsolved | 1016backed ·2 | 30 / 1 | 1 | |
| g2g3 | unsolved | 998 | 32 / 1 | 1 | |
| f5d5 | unsolved | 988 | 34 / 1 | 1 | |
| h2h3 | unsolved | 809 | 34 / 1 | 1 | |
| f5f2 | unsolved | 777 | 35 / 1 | 1 | |
| c4c5 | unsolved | 747 | 35 / 1 | 1 | |
| d7e8 | unsolved | 743 | 35 / 1 | 1 | |
| b1c2 | unsolved | 736 | 37 / 1 | 1 | |
| d7e6 | unsolved | 727 | 35 / 1 | 1 | |
| f5f6 | unsolved | 715 | 30 / 1 | 1 | |
| f5f1 | unsolved | 704 | 35 / 1 | 1 | |
| h2h4 | unsolved | 699 | 36 / 1 | 1 | |
| f5c5 | unsolved | 560 | 38 / 1 | 1 | |
| f5a5 | unsolved | 218 | 44 / 1 | 1 | |
| f5e5 | unsolved | 107 | 42 / 1 | 1 | |
| d7a4 | unsolved | 0 | 47 / 1 | 1 | |
| d7b5 | unsolved | 0 | 79 / 1 | 1 | |
| d7c6 | unsolved | 0 | 46 / 1 | 1 | |
| f5g5 | unsolved | 0 | 55 / 1 | 1 | |
| f5f3 | unsolved | 0 | 52 / 1 | 1 | |
| f5f4 | unsolved | 0 | 42 / 1 | 1 | |
| f5b5 | unsolved | -262 | 56 / 1 | 1 |