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Sepliarsky, Mario vs Mendoza Osorio, Ernesto

2026.06.05 · game 1
White to move
PGN
[Event "Round 5: Sepliarsky, Mario - Mendoza Osorio, Ernesto"]
[Site "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-5/wsnPQGRQ/oHnxoTRf"]
[Date "2026.06.05"]
[Round "5.47"]
[White "Sepliarsky, Mario"]
[Black "Mendoza Osorio, Ernesto"]
[Result "0-1"]
[WhiteElo "2034"]
[WhiteTeam "ARG"]
[WhiteFideId "20003234"]
[BlackElo "1853"]
[BlackTeam "MEX"]
[BlackFideId "29644950"]
[Variant "Standard"]
[ECO "A36"]
[Opening "English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3"]
[UTCDate "2026.06.05"]
[UTCTime "15:15:35"]
[BroadcastName "XIX American Continental Chess Championship 2026 | Standard"]
[BroadcastURL "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-5/wsnPQGRQ"]
[GameURL "https://lichess.org/broadcast/xix-american-continental-chess-championship-2026--standard/round-5/wsnPQGRQ/oHnxoTRf"]

1. c4 { [%eval 0.11] } 1... c5 { [%eval 0.19] } 2. Nc3 { [%eval 0.12] } 2... Nc6 { [%eval 0.23] } 3. g3 { [%eval 0.12] } 3... g6 { [%eval 0.21] } 4. Bg2 { [%eval 0.1] } 4... Bg7 { [%eval 0.14] } 5. e3 { [%eval 0.05] } 5... e5 { [%eval 0.28] } 6. d3 { [%eval 0.21] } 6... Nge7 { [%eval 0.26] } 7. Nge2 { [%eval 0.17] } 7... O-O { [%eval 0.24] } 8. a3 { [%eval 0.21] } 8... Rb8 { [%eval 0.26] } 9. Rb1 { [%eval 0.11] } 9... a5 { [%eval 0.24] } 10. O-O { [%eval 0.32] } 10... d6 { [%eval 0.31] } 11. Bd2 { [%eval 0.15] } 11... Be6 { [%eval 0.21] } 12. Nd5 { [%eval 0.0] } 12... b5 { [%eval 0.03] } 13. b3?! { [%eval -0.53] } { Inaccuracy. cxb5 was best. } 13... b4 { [%eval -0.47] } 14. a4 { [%eval -0.48] } 14... Qd7 { [%eval -0.49] } 15. e4 { [%eval -0.63] } 15... f5 { [%eval -0.58] } 16. f4 { [%eval -0.64] } 16... fxe4 { [%eval -0.69] } 17. dxe4 { [%eval -0.69] } 17... Bg4 { [%eval -0.52] } 18. Ne3 { [%eval -0.53] } 18... Bxe2 { [%eval -0.6] } 19. Qxe2 { [%eval -0.51] } 19... Nd4 { [%eval -0.52] } 20. Qd3 { [%eval -0.43] } 20... exf4 { [%eval -0.48] } 21. gxf4 { [%eval -0.39] } 21... Rf7 { [%eval -0.43] } 22. Nc2 { [%eval -0.43] } 22... Nec6 { [%eval -0.19] } 23. Nxd4 { [%eval -0.42] } 23... Nxd4 { [%eval -0.47] } 24. Rbe1 { [%eval -0.66] } 24... Kh8 { [%eval -0.67] } 25. Bh3 { [%eval -0.72] } 25... Qe7 { [%eval -0.74] } 26. f5?! { [%eval -1.88] } { Inaccuracy. Kh1 was best. } 26... Rbf8?! { [%eval -0.8] } { Inaccuracy. Be5 was best. } 27. Bg2? { [%eval -2.18] } { Mistake. Kh1 was best. } 27... Qh4 { [%eval -1.98] } 28. Bf4 { [%eval -2.2] } 28... Be5 { [%eval -2.37] } 29. Bg3 { [%eval -2.27] } 29... Qg5 { [%eval -2.04] } 30. Re3 { [%eval -2.51] } 30... gxf5 { [%eval -2.49] } 31. Bxe5+?! { [%eval -3.63] } { Inaccuracy. exf5 was best. } 31... dxe5 { [%eval -3.48] } 32. exf5 { [%eval -3.32] } 32... Rxf5 { [%eval -3.25] } 33. Rxf5 { [%eval -3.21] } 33... Rxf5 { [%eval -3.28] } 34. h3?! { [%eval -4.43] } { Inaccuracy. Qe4 was best. } 34... Qf4 { [%eval -4.24] } 35. Re4?! { [%eval -5.4] } { Inaccuracy. Qe4 was best. } 35... Qf2+ { [%eval -5.12] } 36. Kh1 { [%eval -5.0] } 36... Rg5 { [%eval -4.86] } 37. Rg4?! { [%eval -6.47] } { Inaccuracy. Qf1 was best. } 37... Rxg4 { [%eval -6.06] } 38. hxg4 { [%eval -6.18] } 38... Qh4+ { [%eval -6.89] } 39. Kg1 { [%eval -6.88] } 39... Qxg4 { [%eval -6.71] } 40. Qe3 { [%eval -6.17] } 40... Qf4 { [%eval -6.11] } 41. Qh3?? { [%eval #-20] } { Checkmate is now unavoidable. Qd3 was best. } 41... Ne2+ { [%eval #-19] } 42. Kh1 { [%eval #-19] } 42... Qc1+ { [%eval #-18] } 43. Bf1 { [%eval #-18] } 0-1
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