AtomicDB

Sign in Register
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. h3 Bg7 14. fxe6 g4 15. Rf1 Bf6 16. O-O-O gxh3 17. e5 Rh1 18. exf6 d6 19. Rxh1 Kf7 20. Rf1
Atomic opening

Center Attack

Reference: 1. e4 e6 2. Nf3 f6

Suggest a name for this position
Public, no account. An approver reviews it before it shows up.
Propose this line as an exploration campaign
Public, no account. A campaign collects votes on the overview page; the site owner decides which one the solver runs.
UNSOLVED · Black to move · best line -173cp

This position: analysed (128.0M nodes across 1 pass) — Moves here: 4 searched · 3 from lines only

workers serve visitor requests first

r1b5/pp3k2/2np4/1B6/3P4/2P5/PP4P1/2K2R2 b - - 0 1

visits 1 · nodes 128.0M · 10.1s

raw engine output (last analysis)
info depth 23 seldepth 50 multipv 1 score cp -173 nodes 128003940 nps 12638619 hashfull 64 tbhits 102017 time 10128 pv c8f5 f1f4 b7b6 f4h4 a8e8 b5e2 e8h8 e2f3 c6b4 f3d5 f7e7 d5e4 f5g4 c3c4 b4c2 e4f3 g4f5 f3b7 f5g4 c4c5 d6c5 d4d5 e7d8 b7c8 g4f3 h4h7 h8h7 c8f5 c2d4 b2b4 f3d1 d5d6 d4e2 c1d2 e2c1
info depth 23 seldepth 2 multipv 2 score cp -794 upperbound nodes 128003940 nps 12637371 hashfull 64 tbhits 102017 time 10129 pv f7g6
info depth 22 seldepth 73 multipv 3 score cp -15112 nodes 128003940 nps 12637371 hashfull 64 tbhits 102017 time 10129 pv f7g7 f1f7 g7g6 f7b7 g6f6 g2g4 f6g5 b5e2 d6d5 b2b4 g5f4 g4g5 f4e4 g5g6 e4e3 g6g7 a7a6 e2d3 a6a5 b4b5 e3f3 d3e2 f3e3 g7g8q a5a4 g8g1 e3d2 g1g5 d2c2 g5g3 c2d2 b5b6 d2c2 g3g1 c2b1 b6b7 b1c2 b7b8q c2d1 a2a3
info depth 22 seldepth 93 multipv 4 score cp -15114 nodes 128003940 nps 12637371 hashfull 64 tbhits 102017 time 10129 pv f7g8 f1f8 g8g7 f8f7 g7g6 f7b7 g6f6 g2g4 f6g5 b5d3 g5f4 g4g5 d6d5 d3e2 f4g3 g5g6 g3f2 g6g7 f2e1 g7g8q e1d1 g8g1 d1c2 g1d1 c2d2 e2b5 d2c2 b5d3 a7a5 d3e2 a5a4 b2b4 c2d2 b4b5 d2c2 b5b6 c2b2
info depth 22 seldepth 85 multipv 5 score cp -15114 nodes 128003940 nps 12637371 hashfull 64 tbhits 102017 time 10129 pv f7e7 f1f7 e7e8 f7b7 e8f7 g2g4 d6d5 g4g5 f7g6 b5e2 a7a6 b2b4 g6f5 g5g6 f5f4 g6g7 f4e3 g7g8q a6a5 g8g5 e3d2 b4b5 a5a4 b5b6 d2d1 g5g1 d1d2 b6b7 d2d1 g1g8

Moves

movestateevalpn / dnvisits
c8f5unexplored-1730
f7g6unsolved-1160backed ·21 / 881
f7e7unexplored-32330
f7g8unexplored-95000
f7g7WHITE_WIN MINIMAX-≤M210 / ∞1
f7e8WHITE_WIN MATE_PV-≤M170
f7e6WHITE_WIN MATE_PV-≤M20