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Medrano Cardenas, Miguel Angel vs Sierra Daza, Edinson

2026.10.18 · game 1
White to move
PGN
[Event "Round 4: Medrano Cardenas, Miguel Angel - Sierra Daza, Edinson"]
[Site "https://lichess.org/broadcast/irt-centro-comercial-av-chile-2026-10mo/round-4/rHZdr7Z0/9TcZOY9A"]
[Date "2026.10.18"]
[Round "4.27"]
[White "Medrano Cardenas, Miguel Angel"]
[Black "Sierra Daza, Edinson"]
[Result "0-1"]
[WhiteElo "1469"]
[WhiteFideId "144465416"]
[BlackElo "1783"]
[BlackFideId "144458754"]
[TimeControl "15+10"]
[Variant "Standard"]
[ECO "B30"]
[Opening "Sicilian Defense: Old Sicilian"]
[UTCDate "2026.10.18"]
[UTCTime "17:11:18"]
[BroadcastName "IRT Centro Comercial AV. Chile 2026 | 10mo"]
[BroadcastURL "https://lichess.org/broadcast/irt-centro-comercial-av-chile-2026-10mo/round-4/rHZdr7Z0"]
[GameURL "https://lichess.org/broadcast/irt-centro-comercial-av-chile-2026-10mo/round-4/rHZdr7Z0/9TcZOY9A"]

1. e4 { [%eval 0.18] [%clk 0:15:10] } 1... c5 { [%eval 0.32] [%clk 0:15:10] } 2. Nf3 { [%eval 0.2] [%clk 0:15:10] } 2... Nc6 { [%eval 0.3] [%clk 0:15:10] } 3. c4 { [%eval 0.0] [%clk 0:15:10] } 3... g6 { [%eval 0.49] [%clk 0:15:10] } 4. Nc3?! { [%eval -0.27] } { Inaccuracy. d4 was best. } { [%clk 0:15:10] } 4... Bg7 { [%eval -0.16] [%clk 0:15:10] } 5. d3 { [%eval -0.25] [%clk 0:15:01] } 5... e6 { [%eval 0.0] [%clk 0:15:02] } 6. Bd2 { [%eval -0.26] [%clk 0:15:01] } 6... d6 { [%eval -0.33] [%clk 0:15:02] } 7. Be2 { [%eval -0.4] [%clk 0:15:01] } 7... a6 { [%eval -0.24] [%clk 0:15:02] } 8. a4 { [%eval -0.55] [%clk 0:14:57] } 8... h6 { [%eval -0.47] [%clk 0:15:02] } 9. O-O { [%eval -0.43] [%clk 0:14:57] } 9... Nge7 { [%eval -0.47] [%clk 0:15:02] } 10. Qc1 { [%eval -0.72] [%clk 0:14:54] } 10... g5 { [%eval -0.4] [%clk 0:15:02] } 11. g3 { [%eval -0.7] [%clk 0:14:19] } 11... Ng6 { [%eval -0.48] [%clk 0:15:02] } 12. Ne1 { [%eval -0.42] [%clk 0:14:19] } 12... Nd4 { [%eval -0.41] [%clk 0:15:02] } 13. Ng2?? { [%eval -3.02] } { Blunder. Ra3 was best. } { [%clk 0:14:04] } 13... Nb3 { [%eval -2.94] [%clk 0:15:02] } 14. Qc2 { [%eval -3.3] [%clk 0:13:58] } 14... Nxa1 { [%eval -3.11] [%clk 0:15:02] } 15. Rxa1 { [%eval -3.2] [%clk 0:13:58] } 15... h5 { [%eval -2.95] [%clk 0:15:02] } 16. Qc1 { [%eval -3.08] [%clk 0:13:58] } 16... Bf6 { [%eval -2.51] [%clk 0:15:02] } 17. Qd1?! { [%eval -3.78] } { Inaccuracy. h3 was best. } { [%clk 0:13:58] } 17... h4 { [%eval -3.99] [%clk 0:15:02] } 18. g4 { [%eval -3.91] [%clk 0:13:54] } 18... h3 { [%eval -4.03] [%clk 0:15:02] } 19. Ne1 { [%eval -3.82] [%clk 0:13:54] } 19... Nf4 { [%eval -3.96] [%clk 0:14:26] } 20. Bxf4 { [%eval -4.78] [%clk 0:13:45] } 20... gxf4 { [%eval -4.47] [%clk 0:14:26] } 21. f3?! { [%eval -6.35] } { Inaccuracy. Qd2 was best. } { [%clk 0:13:45] } 21... Bd4+ { [%eval -6.23] [%clk 0:14:26] } 22. Kh1 { [%eval -6.31] [%clk 0:13:45] } 22... Qh4 { [%eval -6.3] [%clk 0:14:21] } 23. Nc2 { [%eval -5.56] [%clk 0:13:05] } 23... Qf2 { [%eval -5.66] [%clk 0:14:20] } 24. Rb1?? { [%eval #-1] } { Checkmate is now unavoidable. Qf1 was best. } { [%clk 0:12:18] } 24... Bxc3? { [%eval -8.12] } { Lost forced checkmate sequence. Qg2# was best. } { [%clk 0:12:41] } 25. Qf1 { [%eval -8.06] [%clk 0:11:48] } 25... Qxf1+ { [%eval -7.89] [%clk 0:12:41] } 26. Bxf1 { [%eval -7.9] [%clk 0:11:48] } 26... Bd4 { [%eval -7.42] [%clk 0:12:28] } 27. Nxd4 { [%eval -7.81] [%clk 0:11:48] } 27... cxd4 { [%eval -7.64] [%clk 0:12:28] } 28. b4 { [%eval -7.93] [%clk 0:11:48] } 28... b5 { [%eval -7.75] [%clk 0:12:28] } 29. a5 { [%eval -7.87] [%clk 0:11:48] } 29... Bd7 { [%eval -8.03] [%clk 0:12:28] } 30. Rc1 { [%eval -8.27] [%clk 0:11:36] } 30... Rb8 { [%eval -8.02] [%clk 0:12:28] } 31. c5 { [%eval -9.04] [%clk 0:11:36] } 31... dxc5 { [%eval -8.69] [%clk 0:12:28] } 32. Rxc5 { [%eval -8.44] [%clk 0:11:36] } 32... Rc8 { [%eval -8.28] [%clk 0:12:28] } 33. Rh5? { [%eval #-17] } { Checkmate is now unavoidable. Rg5 was best. } { [%clk 0:11:14] } 33... Rxh5 { [%eval #-16] [%clk 0:12:28] } 34. gxh5 { [%eval #-16] [%clk 0:11:14] } 34... Rc1 { [%eval #-16] [%clk 0:12:28] } 35. Kg1 { [%eval #-16] [%clk 0:11:14] } 35... e5 { [%eval #-15] [%clk 0:12:28] } 36. h6 { [%eval #-15] [%clk 0:11:01] } 36... Kf8 { [%eval #-14] [%clk 0:12:28] } 37. h7 { [%eval #-14] [%clk 0:10:55] } 37... Kg7 { [%eval #-13] [%clk 0:12:28] } 38. h8=B+ { [%eval #-13] [%clk 0:10:55] } 38... Kxh8 { [%eval #-12] [%clk 0:12:28] } 39. Kf2 { [%eval #-12] [%clk 0:10:55] } 39... Rc2+ { [%eval #-12] [%clk 0:12:28] } 40. Kg1 { [%eval #-10] [%clk 0:10:55] } 40... Rb2 { [%eval #-9] [%clk 0:12:28] } 41. Kh1 { [%eval #-9] [%clk 0:10:55] } 41... Rxb4 { [%eval #-8] [%clk 0:12:28] } 42. Bxh3 { [%eval #-3] [%clk 0:10:55] } 42... Bxh3 { [%eval #-2] [%clk 0:12:28] } 43. Kg1 { [%eval #-2] [%clk 0:10:55] } 43... Rb2 { [%eval #-1] [%clk 0:12:28] } 44. Kh1 { [%eval #-1] [%clk 0:10:55] } 44... Bg2+ { [%eval #-2] [%clk 0:12:28] } 45. Kg1 { [%eval #-2] [%clk 0:10:55] } 45... Bxf3 { [%eval #-5] [%clk 0:12:28] } 46. Kf1 { [%eval #-5] [%clk 0:10:55] } 46... Rc2 { [%eval #-4] [%clk 0:12:28] } 47. Kg1 { [%eval #-4] [%clk 0:10:43] } 47... Ra2 { [%eval #-5] [%clk 0:12:26] } 48. Kf1 { [%eval #-4] [%clk 0:10:43] } 48... Kg7 { [%eval #-6] [%clk 0:12:26] } 49. Kg1 { [%eval #-6] [%clk 0:10:43] } 49... Kf6 { [%eval #-5] [%clk 0:12:26] } 50. Kf1 { [%eval #-4] [%clk 0:10:43] } 50... Be2+ { [%eval #-5] [%clk 0:12:26] } 51. Kg2 { [%eval #-5] [%clk 0:10:43] } 51... Bxd3+ { [%eval #-5] [%clk 0:12:26] } 52. Kf3 { [%eval #-2] [%clk 0:10:43] } 52... Rxa5 { [%eval #-6] [%clk 0:12:26] } 53. Kg4 { [%eval #-5] [%clk 0:10:43] } 53... Bxe4 { [%eval #-4] [%clk 0:12:26] } 54. h4 { [%eval #-4] [%clk 0:10:43] } 54... Ke6 { [%eval #-6] [%clk 0:12:26] } 55. Kg5 { [%eval #-6] [%clk 0:10:43] } 55... Kd5 { [%eval #-8] [%clk 0:12:26] } 56. h5 { [%eval #-7] [%clk 0:10:43] } 56... Ra1 { [%eval #-7] [%clk 0:12:26] } 57. Kg4 { [%eval #-4] [%clk 0:10:33] } 57... Rh1 { [%eval #-6] [%clk 0:12:26] } 58. Kg5 { [%eval #-6] [%clk 0:10:33] } 58... Rxh5+ { [%eval #-7] [%clk 0:12:26] } 59. Kxh5 { [%eval #-7] [%clk 0:10:33] } 59... Kc4 { [%eval #-8] [%clk 0:12:26] } 60. Kg5 { [%eval #-8] [%clk 0:10:33] } 60... Kc3 { [%eval #-9] [%clk 0:12:26] } 61. Kf6 { [%eval #-9] [%clk 0:10:31] } 61... a5 { [%eval #-9] [%clk 0:12:26] } 62. Kxe5 { [%eval #-9] [%clk 0:10:31] } 62... Bb1 { [%eval #-9] [%clk 0:12:26] } 63. Kxf4 { [%eval #-9] [%clk 0:10:31] } 63... Kb2 { [%eval #-10] [%clk 0:12:26] } 64. Kf3 { [%eval #-10] [%clk 0:10:31] } 64... a4 { [%eval #-9] [%clk 0:12:30] } 65. Kf4 { [%eval #-9] [%clk 0:10:31] } 65... f5 { [%eval #-9] [%clk 0:12:26] } 66. Ke5 { [%eval #-9] [%clk 0:10:31] } 66... f4 { [%eval #-9] [%clk 0:12:26] } 67. Kxf4 { [%eval #-9] [%clk 0:10:31] } 67... a3 { [%eval #-8] [%clk 0:12:26] } 68. Ke5 { [%eval #-8] [%clk 0:10:31] } 68... a2 { [%eval #-8] [%clk 0:12:26] } 69. Kxd4 { [%eval #-8] [%clk 0:10:31] } 69... a1=B?! { [%eval -91.65] } { Lost forced checkmate sequence. a1=Q was best. } { [%clk 0:12:26] } 70. Kc5 { [%eval -91.65] [%clk 0:10:31] } 70... b4 { [%eval -91.64] [%clk 0:12:26] } 71. Kxb4 { [%eval -91.65] [%clk 0:10:31] } 71... Kc1 { [%eval -91.65] [%clk 0:12:26] } 72. Kc4?! { [%eval #-17] } { Checkmate is now unavoidable. Kb5 was best. } { [%clk 0:10:31] } 72... Kd2 { [%eval #-16] [%clk 0:12:26] } 73. Kb4 { [%eval #-16] [%clk 0:10:31] } 73... Ba2 { [%eval #-17] [%clk 0:12:26] } 74. Ka3 { [%eval #-14] [%clk 0:10:31] } 74... Bf7 { [%eval #-14] [%clk 0:12:26] } 75. Kb4 { [%eval #-14] [%clk 0:10:31] } 75... Bf6 { [%eval #-13] [%clk 0:12:26] } 76. Ka5 { [%eval #-13] [%clk 0:10:24] } 76... Be7 { [%eval #-12] [%clk 0:12:16] } 77. Kb5 { [%eval #-12] [%clk 0:10:24] } 77... Kd3 { [%eval #-11] [%clk 0:12:16] } 78. Kc6 { [%eval #-11] [%clk 0:10:24] } 78... Kd4 { [%eval #-11] [%clk 0:12:15] } 79. Kd7 { [%eval #-11] [%clk 0:10:24] } 79... Bb4 { [%eval #-11] [%clk 0:12:15] } 80. Kc6 { [%eval #-11] [%clk 0:10:24] } 80... Be8+ { [%eval #-10] [%clk 0:12:15] } 81. Kb6 { [%eval #-9] [%clk 0:10:24] } 81... Kd5 { [%eval #-9] [%clk 0:12:15] } 82. Ka6 { [%eval #-6] [%clk 0:10:24] } 82... Be7 { [%eval #-9] [%clk 0:12:15] } 83. Ka5 { [%eval #-8] [%clk 0:10:24] } 83... Kc4 { [%eval #-9] [%clk 0:12:15] } 84. Ka6 { [%eval #-8] [%clk 0:10:24] } 84... Bd8 { [%eval #-8] [%clk 0:12:15] } 85. Kb7 { [%eval #-8] [%clk 0:10:24] } 85... Bd7 { [%eval #-7] [%clk 0:12:08] } 86. Kb8 { [%eval #-7] [%clk 0:10:24] } 86... Kb5 { [%eval #-6] [%clk 0:12:08] } 87. Kb7 { [%eval #-6] [%clk 0:10:24] } 87... Kc5 { [%eval #-7] [%clk 0:11:14] } 88. Kb8 { [%eval #-4] [%clk 0:10:12] } 88... Kc6 { [%eval #-6] [%clk 0:11:14] } 89. Ka7 { [%eval #-6] [%clk 0:10:12] } 89... Ba5 { [%eval #-6] [%clk 0:11:08] } 90. Ka6 { [%eval #-6] [%clk 0:10:11] } 90... Bb4 { [%eval #-5] [%clk 0:11:08] } 91. Ka7 { [%eval #-5] [%clk 0:10:11] } 91... Kc7 { [%eval #-4] [%clk 0:11:08] } 92. Ka6 { [%eval #-4] [%clk 0:10:11] } 92... Bc6 { [%eval #-4] [%clk 0:11:08] } 93. Ka7 { [%eval #-4] [%clk 0:10:10] } 93... Bb5 { [%eval #-3] [%clk 0:11:08] } 94. Ka8 { [%eval #-3] [%clk 0:10:10] } 94... Bd6 { [%eval #-2] [%clk 0:11:08] } 95. Ka7 { [%eval #-2] [%clk 0:10:10] } 95... Bc5+ { [%eval #-1] [%clk 0:11:08] } 96. Ka8 { [%eval #-1] [%clk 0:10:10] } 96... Bc6# { [%eval #0] [%clk 0:11:08] } 0-1
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