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Alonso Vargas, David vs Sierra Vallina, Lionel

2026.10.15 · game 1
White to move
PGN
[Event "fidesub17"]
[Site "https://lichess.org/broadcast/fide-world-u7-u17-championships-2026-o17/round-3/f17LmpLo/PZrLX4Hs"]
[Date "2026.10.15"]
[Round "3.8"]
[White "Alonso Vargas, David"]
[Black "Sierra Vallina, Lionel"]
[Result "0-1"]
[WhiteElo "2178"]
[WhiteTitle "CM"]
[WhiteFideId "24565806"]
[BlackElo "2381"]
[BlackTitle "FM"]
[BlackFideId "54559774"]
[TimeControl "45+30"]
[Variant "Standard"]
[ECO "E32"]
[Opening "Nimzo-Indian Defense: Classical Variation"]
[UTCDate "2026.10.15"]
[UTCTime "07:25:19"]
[BroadcastName "FIDE World U7-U17 Championships 2026 | O17"]
[BroadcastURL "https://lichess.org/broadcast/fide-world-u7-u17-championships-2026-o17/round-3/f17LmpLo"]
[GameURL "https://lichess.org/broadcast/fide-world-u7-u17-championships-2026-o17/round-3/f17LmpLo/PZrLX4Hs"]

1. d4 { [%eval 0.15] [%clk 0:45:56] } 1... Nf6 { [%eval 0.15] [%clk 0:45:52] } 2. c4 { [%eval 0.16] [%clk 0:46:16] } 2... e6 { [%eval 0.14] [%clk 0:46:15] } 3. Nc3 { [%eval 0.09] [%clk 0:46:39] } 3... Bb4 { [%eval 0.15] [%clk 0:46:40] } 4. Qc2 { [%eval 0.08] [%clk 0:47:04] } 4... O-O { [%eval 0.09] } 5. e4 { [%eval 0.0] [%clk 0:47:22] } 5... d6 { [%eval 0.21] [%clk 0:46:52] } 6. a3 { [%eval 0.2] [%clk 0:47:10] } 6... Bxc3+ { [%eval 0.15] [%clk 0:47:17] } 7. bxc3 { [%eval 0.14] [%clk 0:47:39] } 7... e5 { [%eval 0.34] [%clk 0:47:40] } 8. Bd3 { [%eval 0.61] [%clk 0:47:16] } 8... c5 { [%eval 0.56] [%clk 0:47:56] } 9. d5 { [%eval 0.52] [%clk 0:42:06] } 9... Nh5 { [%eval 0.61] [%clk 0:47:56] } 10. Ne2 { [%eval 0.68] [%clk 0:41:48] } 10... Qf6 { [%eval 0.44] [%clk 0:48:03] } 11. h4 { [%eval 0.6] [%clk 0:30:23] } 11... Qg6?! { [%eval 1.67] } { Inaccuracy. Nf4 was best. } { [%clk 0:36:05] } 12. g3?? { [%eval -1.74] } { Blunder. Rg1 was best. } { [%clk 0:28:31] } 12... Bg4 { [%eval -1.94] [%clk 0:35:54] } 13. Be3 { [%eval -2.08] [%clk 0:25:10] } 13... Bf3?! { [%eval -1.2] } { Inaccuracy. Nd7 was best. } { [%clk 0:30:56] } 14. Rh2 { [%eval -1.27] [%clk 0:23:05] } 14... Nf6?! { [%eval -0.59] } { Inaccuracy. b5 was best. } { [%clk 0:23:33] } 15. h5 { [%eval -0.6] [%clk 0:19:17] } 15... Bxh5 { [%eval -0.8] [%clk 0:23:31] } 16. Rh4 { [%eval -0.56] [%clk 0:16:18] } 16... Bf3? { [%eval 0.63] } { Mistake. Nbd7 was best. } { [%clk 0:15:03] } 17. Ng1 { [%eval 0.62] [%clk 0:15:32] } 17... Bg4?? { [%eval 2.52] } { Blunder. Bh5 was best. } { [%clk 0:15:27] } 18. f3 { [%eval 2.37] [%clk 0:15:22] } 18... Bc8 { [%eval 2.33] [%clk 0:14:13] } 19. Ne2 { [%eval 2.22] [%clk 0:12:56] } 19... Re8?! { [%eval 3.38] } { Inaccuracy. b5 was best. } { [%clk 0:12:52] } 20. O-O-O { [%eval 2.87] [%clk 0:07:28] } 20... h6 { [%eval 3.41] [%clk 0:10:56] } 21. Rdh1 { [%eval 3.35] [%clk 0:07:25] } 21... Kf8 { [%eval 3.07] [%clk 0:10:56] } 22. Bd2?? { [%eval 0.49] } { Blunder. g4 was best. } { [%clk 0:06:14] } 22... Ke7 { [%eval 0.59] [%clk 0:10:46] } 23. f4?! { [%eval -0.12] } { Inaccuracy. g4 was best. } { [%clk 0:06:21] } 23... Kd8?! { [%eval 0.66] } { Inaccuracy. Bg4 was best. } { [%clk 0:10:26] } 24. f5 { [%eval 0.57] [%clk 0:03:24] } 24... Qh7 { [%eval 0.57] [%clk 0:10:55] } 25. g4 { [%eval 0.51] [%clk 0:03:46] } 25... Qg8 { [%eval 0.65] [%clk 0:10:43] } 26. g5 { [%eval 0.81] [%clk 0:03:06] } 26... hxg5 { [%eval 0.87] [%clk 0:11:08] } 27. Bxg5 { [%eval 0.86] [%clk 0:03:35] } 27... Nd7 { [%eval 0.71] [%clk 0:11:30] } 28. Ng3 { [%eval 0.72] [%clk 0:03:45] } 28... Kc7 { [%eval 0.81] [%clk 0:11:44] } 29. Qg2 { [%eval 0.81] [%clk 0:02:38] } 29... b6?! { [%eval 1.38] } { Inaccuracy. g6 was best. } { [%clk 0:09:58] } 30. Nh5? { [%eval 0.16] } { Mistake. Bxf6 was best. } { [%clk 0:02:44] } 30... Nxh5 { [%eval 0.22] [%clk 0:08:56] } 31. Rxh5 { [%eval 0.31] [%clk 0:03:12] } 31... Ba6? { [%eval 1.46] } { Mistake. g6 was best. } { [%clk 0:08:43] } 32. Rh7 { [%eval 1.43] [%clk 0:02:47] } 32... f6 { [%eval 0.99] [%clk 0:07:39] } 33. Be3?! { [%eval 0.25] } { Inaccuracy. Bxf6 was best. } { [%clk 0:00:32] } 33... Re7 { [%eval 0.76] [%clk 0:08:09] } 34. Qh3?! { [%eval 0.0] } { Inaccuracy. R7h3 was best. } { [%clk 0:00:54] } 34... Nf8 { [%eval 0.0] [%clk 0:05:37] } 35. Rh8 { [%eval 0.0] [%clk 0:01:19] } 35... Qf7 { [%eval 0.0] [%clk 0:06:05] } 36. Qh5 { [%eval 0.0] [%clk 0:00:55] } 36... Rb8 { [%eval 0.0] [%clk 0:05:49] } 37. Qxf7 { [%eval 0.0] [%clk 0:00:49] } 37... Rxf7 { [%eval 0.0] [%clk 0:06:18] } 38. Rg8 { [%eval 0.0] [%clk 0:01:07] } 38... Nd7 { [%eval 0.0] [%clk 0:05:34] } 39. Rxb8 { [%eval 0.0] [%clk 0:00:57] } 39... Kxb8 { [%eval 0.0] [%clk 0:05:48] } 40. Rh7 { [%eval 0.0] [%clk 0:01:03] } 40... Nf8 { [%eval 0.0] [%clk 0:04:45] } 41. Rh8 { [%eval 0.0] [%clk 0:01:32] } 41... Kc7 { [%eval 0.0] [%clk 0:05:04] } 42. Rg8 { [%eval 0.0] [%clk 0:01:47] } 42... Bc8 { [%eval 0.0] [%clk 0:03:23] } 43. Be2 { [%eval 0.0] [%clk 0:02:08] } 43... Nd7 { [%eval 0.0] [%clk 0:03:43] } 44. Kb2 { [%eval 0.0] [%clk 0:01:20] } 44... Rf8 { [%eval 0.0] [%clk 0:02:30] } 45. Rxg7 { [%eval 0.0] [%clk 0:01:08] } 45... Rh8 { [%eval 0.0] [%clk 0:03:00] } 46. Rg2 { [%eval 0.0] [%clk 0:01:12] } 46... Rh4 { [%eval 0.0] [%clk 0:03:18] } 47. Bd3 { [%eval 0.0] [%clk 0:00:52] } 47... Rh3 { [%eval 0.0] [%clk 0:03:44] } 48. Re2 { [%eval -0.09] [%clk 0:01:18] } 48... Nb8 { [%eval -0.18] [%clk 0:03:13] } 49. Kb3 { [%eval -0.01] [%clk 0:00:44] } 49... Bd7 { [%eval -0.29] [%clk 0:03:39] } 50. a4?! { [%eval -1.09] } { Inaccuracy. Kc2 was best. } { [%clk 0:01:03] } 50... Be8 { [%eval -0.9] [%clk 0:03:21] } 51. Re1 { [%eval -1.04] [%clk 0:01:19] } 51... Bh5 { [%eval -0.79] [%clk 0:03:28] } 52. Bc2 { [%eval -1.02] [%clk 0:00:40] } 52... Nd7 { [%eval -0.98] [%clk 0:03:29] } 53. Bc1 { [%eval -0.98] [%clk 0:00:59] } 53... Rh4 { [%eval -0.95] [%clk 0:03:18] } 54. Re3 { [%eval -1.23] [%clk 0:00:52] } 54... Kd8 { [%eval -1.08] [%clk 0:03:32] } 55. Rg3 { [%eval -0.79] [%clk 0:01:05] } 55... Ke7?! { [%eval -0.18] } { Inaccuracy. Be2 was best. } { [%clk 0:03:07] } 56. Rg7+ { [%eval -0.11] [%clk 0:01:28] } 56... Bf7 { [%eval -0.22] [%clk 0:03:35] } 57. Rg3 { [%eval -0.27] [%clk 0:01:35] } 57... a5 { [%eval -0.11] [%clk 0:03:15] } 58. Re3? { [%eval -1.28] } { Mistake. Rg7 was best. } { [%clk 0:01:27] } 58... Bh5 { [%eval -1.13] [%clk 0:02:34] } 59. Rg3 { [%eval -1.46] [%clk 0:01:53] } 59... Kf7 { [%eval -1.26] [%clk 0:02:47] } 60. Bh6 { [%eval -1.36] [%clk 0:01:52] } 60... Bg4 { [%eval -1.39] [%clk 0:03:16] } 61. Bd2 { [%eval -1.64] [%clk 0:01:44] } 61... Be2 { [%eval -1.78] [%clk 0:02:55] } 62. Re3?! { [%eval -3.06] } { Inaccuracy. Bc1 was best. } { [%clk 0:01:15] } 62... Rh2 { [%eval -3.02] [%clk 0:03:16] } 63. Be1 { [%eval -2.7] [%clk 0:01:07] } 63... Nf8 { [%eval -2.27] [%clk 0:03:10] } 64. Bg3?? { [%eval -4.89] } { Blunder. Bd2 was best. } { [%clk 0:00:51] } 64... Rg2 { [%eval -4.83] [%clk 0:02:49] } 65. Bh4 { [%eval -4.48] [%clk 0:00:36] } 65... Nh7 { [%eval -4.39] [%clk 0:03:15] } 66. Bb1?! { [%eval -6.06] } { Inaccuracy. Be1 was best. } { [%clk 0:00:42] } 66... Bd1+ { [%eval -5.66] [%clk 0:03:29] } 67. Ka3 { [%eval -4.84] [%clk 0:01:07] } 67... Rg4 { [%eval -4.67] [%clk 0:03:30] } 68. Rh3 { [%eval -4.54] [%clk 0:01:14] } 68... Kg7 { [%eval -4.82] [%clk 0:03:54] } 69. Bd3 { [%eval -4.74] [%clk 0:00:32] } 69... Rg1 { [%eval -4.49] [%clk 0:03:19] } 70. Rh2 { [%eval -4.63] [%clk 0:00:41] } 70... Ng5 { [%eval -3.93] [%clk 0:02:16] } 71. Rb2?! { [%eval -5.73] } { Inaccuracy. Bxg5 was best. } { [%clk 0:00:32] } 71... Nf3 { [%eval -5.53] [%clk 0:02:02] } 72. Bf2 { [%eval -5.42] [%clk 0:00:39] } 72... Rg2 { [%eval -5.38] [%clk 0:02:32] } 73. Be2?! { [%eval -7.39] } { Inaccuracy. Bf1 was best. } { [%clk 0:00:36] } 73... Rxf2 { [%eval -7.95] [%clk 0:00:59] } 74. Bxd1 { [%eval -7.35] [%clk 0:01:05] } 74... Rxb2 { [%eval -7.67] [%clk 0:01:22] } 75. Kxb2 { [%eval -7.12] [%clk 0:01:34] } 75... Nd2 { [%eval -7.11] [%clk 0:01:32] } 76. Bc2 { [%eval -7.76] [%clk 0:00:33] } 76... Kh6 { [%eval -7.25] [%clk 0:02:01] } 77. Bd3 { [%eval -10.82] [%clk 0:00:54] } 77... Kg5 { [%eval -10.26] [%clk 0:02:25] } 78. Kc2 { [%eval -9.45] [%clk 0:01:12] } 78... Nf3 { [%eval -11.51] [%clk 0:02:52] } 79. Bf1 { [%eval -11.44] [%clk 0:01:01] } 79... Kf4 { [%eval -11.42] [%clk 0:03:14] } 80. Kd3 { [%eval -11.11] [%clk 0:01:25] } 80... Ng5 { [%eval -11.15] [%clk 0:02:56] } 81. Bg2 { [%eval -22.93] [%clk 0:01:48] } 81... Kg3 { [%eval -15.31] [%clk 0:03:24] } 82. Bf1 { [%eval -14.46] [%clk 0:02:11] } 82... Kf3 { [%eval -12.79] [%clk 0:03:49] } 83. Be2+ { [%eval -10.7] [%clk 0:01:09] } 83... Kf4 { [%eval #-28] [%clk 0:04:14] } 84. Bh5 { [%eval #-22] [%clk 0:01:22] } 84... Nxe4 { [%eval #-22] [%clk 0:04:41] } 85. Bg6 { [%eval -23.6] [%clk 0:01:47] } 85... Ng3 { [%eval -14.78] [%clk 0:05:07] } 0-1
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