[Event "XXXI Panamerican Youth Chess Festival 2021 - U10 Open"] [Site "Florianópolis, State of Santa Catarina, Brazil"] [Date "2021.09.04"] [Round "5.2"] [White "Santiago Perez, Luis Yamil"] [Black "Vilca Contreras, Dante Ivan"] [Result "1-0"] [WhiteElo "?"] [BlackElo "1212"] [Variant "Standard"] [TimeControl "-"] [ECO "C44"] [Opening "Ponziani Opening: Jaenisch Counterattack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 { C44 Ponziani Opening: Jaenisch Counterattack } 4. Bd3? { (0.00 → -1.33) Mistake. d4 was best. } (4. d4 Nxe4 5. Bd3 d5 6. Nxe5 Nxe5 7. dxe5 Bc5 8. O-O Qh4) 4... d5 5. Qe2 dxe4 6. Bxe4 Nxe4 7. Qxe4 f5 8. Qe3?! { (-0.98 → -2.13) Inaccuracy. Qe2 was best. } (8. Qe2 e4 9. d3 Qxd3 10. Qxd3 exd3 11. O-O Bd6 12. Re1+ Kd7) 8... e4?! { (-2.13 → -1.32) Inaccuracy. Bd6 was best. } (8... Bd6 9. O-O) 9. d4? { (-1.32 → -2.62) Mistake. d3 was best. } (9. d3 Qd5 10. Nbd2 Qxd3 11. Qxd3 exd3 12. O-O Be6 13. Re1 Kd7 14. Nb3 Bd6 15. Bf4 Bxb3) 9... Be7 10. Nfd2 Bg5? { (-2.96 → -1.21) Mistake. b6 was best. } (10... b6 11. O-O Ba6 12. Re1 O-O 13. Qh3 Qd5 14. Qh5 Qd7 15. Qh3 Rad8 16. Nf1 Na5 17. Nbd2) 11. f4?! { (-1.21 → -1.89) Inaccuracy. Qe2 was best. } (11. Qe2) 11... Bh4+ 12. g3 Be7 13. b4 Bxb4?? { (-2.12 → 0.17) Blunder. Bf6 was best. } (13... Bf6 14. Bb2) 14. Bb2?? { (0.17 → -3.09) Blunder. cxb4 was best. } (14. cxb4 Nxb4 15. O-O Nc2 16. Qc3 Qxd4+ 17. Qxd4 Nxd4 18. Na3 Be6 19. Bb2 O-O-O 20. Bxd4 Rxd4) 14... Be7 15. O-O O-O?! { (-4.02 → -3.07) Inaccuracy. b6 was best. } (15... b6) 16. Na3 g5? { (-3.22 → -1.51) Mistake. a5 was best. } (16... a5 17. Qe2) 17. Kh1?! { (-1.51 → -2.17) Inaccuracy. Nc2 was best. } (17. Nc2 b5) 17... g4? { (-2.17 → -0.88) Mistake. b5 was best. } (17... b5) 18. Rad1?! { (-0.88 → -1.68) Inaccuracy. Qe2 was best. } (18. Qe2 Be6 19. Nc2 Bf6 20. Nc4 b5 21. N4e3 Ne7 22. a4 bxa4 23. Rxa4 a5 24. Rfa1 c5) 18... Bf6?! { (-1.68 → -1.00) Inaccuracy. b6 was best. } (18... b6) 19. Nb3?! { (-1.00 → -1.69) Inaccuracy. Qe2 was best. } (19. Qe2 Ne7 20. Ndc4 Be6 21. Ne3 Nd5 22. Nxd5 Bxd5 23. c4 Bc6 24. d5 Ba4 25. Rd2 b6) 19... Ne7 20. c4 c6 21. Bc3 Qc7?! { (-2.16 → -1.03) Inaccuracy. b6 was best. } (21... b6 22. Na1) 22. Rf2?! { (-1.03 → -1.93) Inaccuracy. d5 was best. } (22. d5 cxd5 23. Bxf6 Rxf6 24. cxd5 Bd7 25. Rc1 Qd8 26. Rfd1 Rd6 27. Nc5 Rxd5 28. Qb3 Be8) 22... a5?? { (-1.93 → 0.00) Blunder. b6 was best. } (22... b6 23. d5) 23. Rc2?? { (0.00 → -2.96) Blunder. d5 was best. } (23. d5 cxd5 24. Bxf6 Rxf6 25. Qd4 Qb6 26. Nc5 Rc6 27. cxd5 Qxc5 28. dxc6 Qxa3 29. Qd8+ Kg7) 23... a4 24. Nc1?! { (-3.21 → -4.38) Inaccuracy. Nd2 was best. } (24. Nd2 Qd6 25. Ndb1 b5 26. Qe1 Bb7 27. Bb4 Qe6 28. Nc3 bxc4 29. Rb2 Rfb8 30. Bc5 Ba6) 24... Qd6 25. Bb2 Be6?? { (-4.02 → -1.69) Blunder. b5 was best. } (25... b5) 26. Ne2 Rab8 27. Nc3 Qb4 28. Rb1?! { (-1.31 → -2.13) Inaccuracy. d5 was best. } (28. d5 Rbd8) 28... Rfd8?? { (-2.13 → 1.42) Blunder. Qa5 was best. } (28... Qa5 29. d5) 29. Ne2?? { (1.42 → -2.53) Blunder. d5 was best. } (29. d5) 29... Qd6 30. Rd2 Bg7? { (-2.63 → -1.31) Mistake. Bf7 was best. } (30... Bf7) 31. Rbd1? { (-1.31 → -2.69) Mistake. d5 was best. } (31. d5 Bxb2 32. Rbxb2 Bf7 33. Kg1 cxd5 34. c5 Qc6 35. Rb6 d4 36. Rxd4 Rxd4 37. Qxd4 Qd5) 31... b5?! { (-2.69 → -1.59) Inaccuracy. Qb4 was best. } (31... Qb4 32. Rb1 Qb6 33. Bc3 Qa7 34. Bb4 Bf8 35. Bc5 b6 36. Bb4 Qb7 37. Bc3 Bf7 38. Rdb2) 32. cxb5?? { (-1.59 → -8.15) Blunder. d5 was best. } (32. d5 Bxb2) 32... cxb5 33. Ba1 b4 34. Nb1 Nd5 35. Qg1 Rdc8 36. h4 h5 37. a3 Qc6 38. axb4 Rxb4 39. Rc1 Qb7 40. Rdd1 Rbc4 41. Nbc3 Nxc3 42. Bxc3 e3+ 43. Kh2 Qf3 44. Rc2 Rxc3 45. Nxc3 Bb3?! { (-7.89 → -5.33) Inaccuracy. Bd5 was best. } (45... Bd5) 46. Rf1 Qxf1?? { (-7.91 → 0.00) Blunder. Qe4 was best. } (46... Qe4 47. Rcc1) 47. Qxf1 Bxc2 48. Ne2?? { (0.00 → -8.42) Blunder. Nd5 was best. } (48. Nd5 Kh8 49. Qa6 Rb8 50. Nxe3 Be4 51. Qxa4 Rb1 52. Qe8+ Kh7 53. Qxh5+ Bh6 54. Qf7+ Kh8) 48... Bd3?? { (-8.42 → -2.90) Blunder. Be4 was best. } (48... Be4 49. Qg1 Rc2 50. Qxe3 a3 51. Qb3+ Kh8 52. Qxa3 Rxe2+ 53. Kg1 Re1+ 54. Kf2 Rd1 55. Ke2) 49. Qd1 Bxe2?? { (-2.76 → 0.00) Blunder. Be4 was best. } (49... Be4) 50. Qxe2 Re8 51. d5 a3 52. d6 Kh8 53. d7 Rg8?? { (0.00 → 3.88) Blunder. Rd8 was best. } (53... Rd8 54. Qa6 a2 55. Qxa2 Rxd7 56. Qe6 Rd2+ 57. Kg1 Rd1+ 58. Kg2 Bd4 59. Qh6+ Kg8 60. Qxh5) 54. Qc2?? { (3.88 → 0.00) Blunder. Qd3 was best. } (54. Qd3 a2 55. Qxf5 Rd8 56. Qxh5+ Kg8 57. Qd5+ Kf8 58. Qc5+ Kf7 59. Qc4+ Ke7 60. Qxa2 Bd4) 54... Rf8?? { (0.00 → 4.36) Blunder. Bf6 was best. } (54... Bf6 55. Kg2 Kg7 56. Qa4 Rd8 57. Qxa3 Rxd7 58. Qxe3 Re7 59. Qb3 Re4 60. Kf1 Kg6 61. Qg8+) 55. Kg2 Kg8?! { (4.23 → 6.61) Inaccuracy. Kh7 was best. } (55... Kh7 56. Kf1) 56. Kf1? { (6.61 → 4.03) Mistake. Qb3+ was best. } (56. Qb3+ Kh8 57. Qxa3 e2 58. Kf2 Rd8 59. Qe7 Bd4+ 60. Kxe2 Bb6 61. Qf7 Rg8 62. Qe6 Rd8) 56... Kf7? { (4.03 → 6.46) Mistake. Bf6 was best. } (56... Bf6 57. Qb3+ Rf7 58. Qb8+ Kh7 59. d8=Q Bxd8 60. Qxd8 a2 61. Qa5 Rd7 62. Ke2 Rd2+ 63. Kxe3) 57. Qxf5+?! { (6.46 → 4.92) Inaccuracy. Qc7 was best. } (57. Qc7) 57... Ke7 58. Qc5+ Kxd7 59. Qxa3 e2+ 60. Kxe2 Re8+ 61. Kd2 Ke6 62. Qa6+ Kf7 63. Qb7+ Kf8 64. Qd7 Bf6 65. Qf5 Kg7 66. Qxh5 Rd8+ 67. Ke2 Rb8 68. Qxg4+ Kf7 69. Qd7+ Kg6?? { (5.46 → Mate in 16) Checkmate is now unavoidable. Be7 was best. } (69... Be7 70. Qf5+) 70. Kf3? { (Mate in 16 → 7.85) Lost forced checkmate sequence. h5+ was best. } (70. h5+ Kxh5 71. Qf7+ Kg4 72. Qxf6 Kxg3 73. Qg5+ Kh2 74. Qg7 Ra8 75. Qh6+ Kg3 76. Qg5+ Kh2) 70... Rb3+ 71. Kg4 Rc3? { (8.68 → Mate in 5) Checkmate is now unavoidable. Rb6 was best. } (71... Rb6 72. Qc7) 72. h5+ Kh6 73. Qf7 Bg7 74. Qg6# { White wins by checkmate. } 1-0