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Stockfish 9+wasm
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C40 Gunderam Defense
1e4e52Nf3Qe73Nc3Nf64d4Nc65d5Nd46Nxd4exd47Ne2Qb4+8c3dxc39bxc3Qxe410f3Qh4+11g3Qh612Bxh6gxh613Nf4c614dxc6dxc615c4Bb4+16Ke2Be617a3O-O18Ke3Bxc419Rc1Rfe8+20Kd4b521axb4Rac822Kc5Re5+23Nd5Rxd5+24Qxd5Nxd525Bxc4Nxb426Bxb5cxb5+27Kxb4a5+28Kxa5Ra8+29Kxb5h530Rc7f631Kc6f532f4Ra6+33Kb7Ra434Rc8+Kg735Rd1h636Rd6Ra137Rc7+Kh838Rd8#
1-0
Checkmate, White is victorious
FEN
PGN
[Event "Casual Correspondence game"] [Site "http://chess-academy.net/ld1jpGgf"] [Date "2025.02.07"] [Round "-"] [White "Mark0101"] [Black "Grigore"] [Result "1-0"] [UTCDate "2025.02.07"] [UTCTime "14:31:24"] [WhiteElo "1500"] [BlackElo "1500"] [Variant "Standard"] [TimeControl "-"] [ECO "C40"] [Opening "Gunderam Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Qe7 { C40 Gunderam Defense } 3. Nc3 Nf6 4. d4 Nc6 5. d5 Nd4 6. Nxd4 exd4 7. Ne2 Qb4+ 8. c3 dxc3 9. bxc3 Qxe4 10. f3 Qh4+ 11. g3 Qh6 12. Bxh6 gxh6 13. Nf4 c6 14. dxc6 dxc6 15. c4 Bb4+ 16. Ke2 Be6 17. a3 O-O 18. Ke3 Bxc4 19. Rc1 Rfe8+ 20. Kd4 b5 21. axb4 Rac8 22. Kc5 Re5+ 23. Nd5 Rxd5+ 24. Qxd5 Nxd5 25. Bxc4 Nxb4 26. Bxb5 cxb5+ 27. Kxb4 a5+ 28. Kxa5 Ra8+ 29. Kxb5 h5 30. Rc7 f6 31. Kc6 f5 32. f4 Ra6+ 33. Kb7 Ra4 34. Rc8+ Kg7 35. Rd1 h6 36. Rd6 Ra1 37. Rc7+ Kh8 38. Rd8# { White wins by checkmate. } 1-0
               11000Mark01012
               00111Grigore3
Computer analysis Move times Crosstable FEN & PGN