[Event "Nacional Perú Sub 12 Abs 2021"] [Site "https://lichess.org/XGuoaecO"] [Date "2021.07.03"] [White "Stalin_Edison_Flores"] [Black "juan0118"] [Result "0-1"] [UTCDate "2021.07.03"] [UTCTime "23:30:00"] [WhiteElo "1899"] [BlackElo "2173"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "900+10"] [ECO "C50"] [Opening "Italian Game: Giuoco Pianissimo, Italian Four Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. Bc4 Bc5 5. d3 { C50 Italian Game: Giuoco Pianissimo, Italian Four Knights Variation } h6 6. O-O d6 7. Be3 Bb6?! { (-0.25 → 0.36) Inaccuracy. Bxe3 was best. } (7... Bxe3 8. fxe3 Na5 9. b3 O-O 10. a4 c6 11. d4 Nxc4 12. bxc4) 8. a4 a6?! { (0.25 → 0.81) Inaccuracy. O-O was best. } (8... O-O 9. Nd5 Nxd5 10. Bxd5 Bxe3 11. fxe3 a5 12. d4 Qe7 13. h3 Be6 14. Qe2 Rae8 15. Rae1) 9. Bxb6 cxb6 10. h3 O-O 11. Re1 Be6 12. Qd2 Qd7 13. Qe3 Qc7 14. Rad1 Nb4 15. Qd2 Rad8 16. Bxe6 fxe6 17. d4 Nh5 18. Ne2 Nc6 19. c3 Nf4?! { (0.60 → 1.54) Inaccuracy. Na5 was best. } (19... Na5 20. Qd3 Nc4 21. Rb1 Na5 22. b3 Rf7 23. Rbd1 Nxb3 24. Qb1 Na5 25. dxe5 Nc4 26. exd6) 20. Nxf4 Rxf4 { Black offers draw } 21. d5 exd5 22. exd5 Na5 23. Nd4 Nc4 24. Qc1 Qc5 25. b4 Qc8 26. Ne6 Rdf8 27. Nxf8 Qxf8 28. f3 Qf5 29. Re2 Qg6?! { (2.94 → 3.74) Inaccuracy. b5 was best. } (29... b5 30. axb5 axb5 31. Rde1 Qd3 32. Qc2 Qxc2 33. Rxc2 Rf7 34. Ra1 Rc7 35. Ra8+ Kf7 36. Rd8) 30. Kh2 b5 31. axb5 axb5 32. Qa1 Rf8 33. Qa7 Qf7 34. Kg1 Qg6 35. Qf2 h5 36. Kh2 Qh6 37. g3? { (2.82 → 1.27) Mistake. Ra1 was best. } (37. Ra1 Qf4+) 37... g5?! { (1.27 → 2.40) Inaccuracy. Qg6 was best. } (37... Qg6 38. Kh1) 38. Rd3?? { (2.40 → 0.38) Blunder. Re4 was best. } (38. Re4 Qf6 39. Rf1 Qf7 40. Qc2 Qxd5 41. Rxc4 bxc4 42. Qg6+ Kh8 43. Qxh5+ Kg7 44. Qxg5+ Kf7) 38... g4 39. Qg2?! { (0.58 → -0.40) Inaccuracy. Qf1 was best. } (39. Qf1 Kg7) 39... Qg6 40. Red2?? { (-0.35 → -7.99) Blunder. Ree3 was best. } { White offers draw } (40. Ree3) 40... Nxd2 41. Rxd2 gxf3 42. Qf2 e4 43. Rd4 e3 44. Qxe3 f2 45. Rf4 f1=Q 46. Rxf1 Rxf1 47. Kg2 Rf7 48. Qe8+ Kg7 49. Qe6? { (-9.27 → Mate in 4) Checkmate is now unavoidable. Qe3 was best. } (49. Qe3 Qc2+) 49... Qc2+ 50. Kg1 Qf2+ 51. Kh1 Qf1+ 52. Kh2 Rf2# { Black wins by checkmate. } 0-1