[Event "CXOIAGR 11ª Etapa 08-07-2023"] [Site "https://lichess.org/wX6xSVYo"] [Date "2023.07.08"] [White "NathanChess20"] [Black "RomarioM1"] [Result "0-1"] [UTCDate "2023.07.08"] [UTCTime "17:09:09"] [WhiteElo "1122"] [BlackElo "1972"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "180+2"] [ECO "B00"] [Opening "Hippopotamus Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 Nh6 { B00 Hippopotamus Defense } 2. Nc3 f5 3. d3 g6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 e5 7. O-O f4 8. a3 d6 9. Nd5 Bg4 10. b4 Nc6 11. h3 Bxf3 12. Qxf3 Nd4 13. Qd1 f3 14. Bh1 Ne2+ 15. Kh2 c6 16. Bxf3 Nd4 17. Ne3 Nxf3+ 18. Kg2 Nd4 19. Rb1 Nf7 20. Bb2 Ng5 21. Qg4 Nge6 22. Bxd4 Nxd4 23. f4 exf4 24. Rxf4 Rxf4 25. Qxf4 Qf6 26. Rf1 Qxf4 27. Rxf4 Rf8 28. Rxf8+ Kxf8 29. c3 Nb5 30. c4 Nxa3 31. Kf3 Ke7 32. Kf4 Ke6 33. g4 Nb1 34. h4 Nc3 35. c5 d5 36. exd5+ Nxd5+ 37. Ke4 Nxe3 38. Kxe3 Kd5 39. Kd2 b6 40. Kc2 bxc5 41. bxc5 Kxc5 42. Kd2 Kb4 43. Kc2 a5 44. d4 a4 45. Kb2 Bxd4+ 46. Ka2 c5 47. Kb1 c4 48. Kc2 a3 49. Kb1 c3 50. Ka2 c2 51. h5 c1=Q 52. hxg6 Qb2# { Black wins by checkmate. } 0-1