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Stockfish 9+wasm
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C40 Gunderam Defense
1e4e52Nf3Qe73d3Nc64Nc3Nf65Bg5h66Bh4a57a3Ra68b4b69Qb1d610Qb2g511Bg3h512Nxg5Rh713Nxh7Nxh714Bh4Qxh415g3Qf616O-O-OBh6+17Kb1Be618f4Qg719Re1f620Re3Qg821Be2Ba2+22Qxa2Qf823Bxh5+Ke724Nd5+Kd825Qc4b526Qc3Ra827Qxc6Rc828Qb7Qe729Nxe7Kd730Qxc8+Kxe731Qxc7+Kf832Qxh7Bg733Qg6Kg834Qf7+Kh735Qg6+Kh836d4a437Rc3Kg838Rc8#
1-0
Checkmate, White is victorious
FEN
PGN
[Event "Koltanowski Arena"] [Site "http://chess-academy.net/dOArMJ0Q"] [Date "2025.03.06"] [Round "-"] [White "denysan"] [Black "Voitovici"] [Result "1-0"] [UTCDate "2025.03.06"] [UTCTime "17:00:07"] [WhiteElo "1392"] [BlackElo "1439"] [WhiteRatingDiff "+35"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C40"] [Opening "Gunderam Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Qe7 { C40 Gunderam Defense } 3. d3 Nc6 4. Nc3 Nf6 5. Bg5 h6 6. Bh4 a5 7. a3 Ra6 8. b4 b6 9. Qb1 d6 10. Qb2 g5 11. Bg3 h5 12. Nxg5 Rh7 13. Nxh7 Nxh7 14. Bh4 Qxh4 15. g3 Qf6 16. O-O-O Bh6+ 17. Kb1 Be6 18. f4 Qg7 19. Re1 f6 20. Re3 Qg8 21. Be2 Ba2+ 22. Qxa2 Qf8 23. Bxh5+ Ke7 24. Nd5+ Kd8 25. Qc4 b5 26. Qc3 Ra8 27. Qxc6 Rc8 28. Qb7 Qe7 29. Nxe7 Kd7 30. Qxc8+ Kxe7 31. Qxc7+ Kf8 32. Qxh7 Bg7 33. Qg6 Kg8 34. Qf7+ Kh7 35. Qg6+ Kh8 36. d4 a4 37. Rc3 Kg8 38. Rc8# { White wins by checkmate. } 1-0
                  01Voitovici1
                  10denysan1
Computer analysis Move times Crosstable FEN & PGN