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Stockfish 9+wasm
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B00 Hippopotamus Defense #2
1e4Nh62Nc3Nc63d3e54Bxh6gxh65Nh3Bc56Nd5Bb4+7Nxb4Nxb48Qd2Nc69Qxh6Qe710Qg7Rf811O-O-Oa512Ng5d613Nxh7Bg414Nxf8O-O-O15Ng6Qe816Nh4Qe617f3Bh518g4Bg619Nxg6fxg620Rg1Rd721g5Rxg722Rg3Qxa223Bh3+Kb824Kd2Qxb225Ke1Nd426Rg2Nxc2+27Kf1Qc328Rc1Qb229Rgxc2Qd430Rb1Qxd3+31Kg2Qxc2+32Kg3Qxb133Kh4Rh7+34Kg4Qg1+35Bg2Qxh236f4Qxg2#
0-1
Checkmate, Black is victorious
FEN
PGN
[Event "Black12 Arena"] [Site "http://chess-academy.net/0bcBH19F"] [Date "2025.02.06"] [Round "-"] [White "mitevartur"] [Black "Voitovici"] [Result "0-1"] [UTCDate "2025.02.06"] [UTCTime "17:38:10"] [WhiteElo "1662"] [BlackElo "1366"] [WhiteRatingDiff "-27"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Hippopotamus Defense #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nh6 { B00 Hippopotamus Defense #2 } 2. Nc3 Nc6 3. d3 e5 4. Bxh6 gxh6 5. Nh3 Bc5 6. Nd5 Bb4+ 7. Nxb4 Nxb4 8. Qd2 Nc6 9. Qxh6 Qe7 10. Qg7 Rf8 11. O-O-O a5 12. Ng5 d6 13. Nxh7 Bg4 14. Nxf8 O-O-O 15. Ng6 Qe8 16. Nh4 Qe6 17. f3 Bh5 18. g4 Bg6 19. Nxg6 fxg6 20. Rg1 Rd7 21. g5 Rxg7 22. Rg3 Qxa2 23. Bh3+ Kb8 24. Kd2 Qxb2 25. Ke1 Nd4 26. Rg2 Nxc2+ 27. Kf1 Qc3 28. Rc1 Qb2 29. Rgxc2 Qd4 30. Rb1 Qxd3+ 31. Kg2 Qxc2+ 32. Kg3 Qxb1 33. Kh4 Rh7+ 34. Kg4 Qg1+ 35. Bg2 Qxh2 36. f4 Qxg2# { Black wins by checkmate. } 0-1
                0001Voitovici1
                1110mitevartur3
Computer analysis Move times Crosstable FEN & PGN