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Stockfish 9+wasm
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B00 Lemming Defense
1e4Na62Bb5Nb43Qg4c64Ba4b55Bb3Nh66Qh5g67Qd1Qb68Bc4bxc49d3cxd310cxd3Nxd3+11Qxd3f512Qc3fxe413Qxh8Nf714Qxh7Ne515Qxg6+Nxg616Be3Ne517Bxb6axb618f4Nc419Nc3Bh620Nxe4Bxf421Ng5Bxg522Nf3Be323Nh4Nxb224Rb1Nd3+25Kf1Ba626Ng6Nc5+27Ke1Nd3+28Ke2Nf2+29Kxe3Nxh130Rxh1Kf731Ne5+Ke632Nxc6Bb733Nb4Bxg234Rg1Bh335Ke4b536Rg6+Kf737Ra6Rxa638Nxa6Bf139Nb8d5+40Kxd5Bd341h4Bh742h5Kg743a3Kh644a4bxa445Ke5a346Kd4a247Kc3a1=Q+48Kb3Qe549Kc4Qxb850Kd5Qd8+51Ke5Qe852Kf4Qxh553Kg3e554Kf2e455Ke3Qh456Kd4Qf457Kc4e3+58Kc3e259Kb2e1=Q60Ka3Qff261Ka4Qe4+62Kb3Qff3+63Kb2Qee2+64Kc1Qff1#
0-1
Checkmate, Black is victorious
FEN
PGN
[Event "Michell Arena"] [Site "http://chess-academy.net/IgOtjWPp"] [Date "2025.03.11"] [Round "-"] [White "Alex_Serbinov"] [Black "Marcu10052016"] [Result "0-1"] [UTCDate "2025.03.11"] [UTCTime "17:19:34"] [WhiteElo "1099"] [BlackElo "1298"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B00"] [Opening "Lemming Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Na6 { B00 Lemming Defense } 2. Bb5 Nb4 3. Qg4 c6 4. Ba4 b5 5. Bb3 Nh6 6. Qh5 g6 7. Qd1 Qb6 8. Bc4 bxc4 9. d3 cxd3 10. cxd3 Nxd3+ 11. Qxd3 f5 12. Qc3 fxe4 13. Qxh8 Nf7 14. Qxh7 Ne5 15. Qxg6+ Nxg6 16. Be3 Ne5 17. Bxb6 axb6 18. f4 Nc4 19. Nc3 Bh6 20. Nxe4 Bxf4 21. Ng5 Bxg5 22. Nf3 Be3 23. Nh4 Nxb2 24. Rb1 Nd3+ 25. Kf1 Ba6 26. Ng6 Nc5+ 27. Ke1 Nd3+ 28. Ke2 Nf2+ 29. Kxe3 Nxh1 30. Rxh1 Kf7 31. Ne5+ Ke6 32. Nxc6 Bb7 33. Nb4 Bxg2 34. Rg1 Bh3 35. Ke4 b5 36. Rg6+ Kf7 37. Ra6 Rxa6 38. Nxa6 Bf1 39. Nb8 d5+ 40. Kxd5 Bd3 41. h4 Bh7 42. h5 Kg7 43. a3 Kh6 44. a4 bxa4 45. Ke5 a3 46. Kd4 a2 47. Kc3 a1=Q+ 48. Kb3 Qe5 49. Kc4 Qxb8 50. Kd5 Qd8+ 51. Ke5 Qe8 52. Kf4 Qxh5 53. Kg3 e5 54. Kf2 e4 55. Ke3 Qh4 56. Kd4 Qf4 57. Kc4 e3+ 58. Kc3 e2 59. Kb2 e1=Q 60. Ka3 Qff2 61. Ka4 Qe4+ 62. Kb3 Qff3+ 63. Kb2 Qee2+ 64. Kc1 Qff1# { Black wins by checkmate. } 0-1
                   0Alex_Serbinov0
                   1Marcu100520161
Computer analysis Move times Crosstable FEN & PGN