[Event "FIDE World Youth: Under-14 Open"] [Site "Brazil"] [Round "9.4"] [White "Jiang, Haochen"] [Black "Vemparala, Nikash"] [Result "0-1"] [WhiteElo "2360"] [WhiteFideId "8631930"] [BlackElo "2024"] [BlackTitle "CM"] [BlackFideId "30960967"] [Annotator "https://lichess.org/@/LinuxBrickie"] [Variant "Standard"] [ECO "C54"] [Opening "Italian Game: Classical Variation, Giuoco Pianissimo"] [StudyName "2024 FIDE World Youth Championships"] [ChapterName "Jiang, Haochen - Vemparala, Nikash"] [UTCDate "2024.11.08"] [UTCTime "18:34:32"] [Source "https://lichess.org/study/5wenBA8d/4M9H5WrJ"] [Orientation "white"] 1. e4 { [%eval 0.18] [%clk 1:30:10] } 1... e5 { [%eval 0.21] [%clk 1:30:51] } 2. Nf3 { [%eval 0.13] [%clk 1:30:28] } 2... Nc6 { [%eval 0.17] [%clk 1:31:15] } 3. Bc4 { [%eval 0.08] [%clk 1:30:26] } 3... Bc5 { [%eval 0.2] [%clk 1:31:28] } 4. c3 { [%eval 0.07] [%clk 1:30:34] } 4... Nf6 { [%eval 0.21] [%clk 1:31:52] } 5. d3 { [%eval 0.15] [%clk 1:30:59] } 5... O-O { [%eval 0.16] [%clk 1:29:49] } 6. O-O { [%eval 0.12] [%clk 1:29:58] } 6... d6 { [%eval 0.17] [%clk 1:27:21] } 7. Bg5 { [%eval 0.0] [%clk 1:29:42] } 7... Be6 { [%eval 0.25] [%clk 1:23:37] } 8. Nbd2 { [%eval 0.29] [%clk 1:29:28] } 8... a6 { [%eval 0.27] [%clk 1:22:37] } 9. Re1 { [%eval 0.29] [%clk 1:19:44] } 9... Ba7 { [%eval 0.24] [%clk 1:18:27] } 10. Bb3 { [%eval 0.21] [%clk 0:55:58] } 10... h6 { [%eval 0.23] [%clk 1:09:31] } 11. Bh4 { [%eval 0.16] [%clk 0:55:58] } 11... Qe7 { [%eval 0.37] [%clk 1:07:05] } 12. Bc2 { [%eval 0.13] [%clk 0:53:22] } 12... g5 { [%eval 0.13] [%clk 0:58:14] } 13. Bg3 { [%eval 0.2] [%clk 0:40:44] } 13... g4 { [%eval 0.61] [%clk 0:55:02] } 14. Nh4 { [%eval 0.68] [%clk 0:36:48] } 14... Nh5 { [%eval 0.64] [%clk 0:54:37] } 15. Nf1 { [%eval 0.05] [%clk 0:29:54] } 15... Qg5 { [%eval 0.0] [%clk 0:49:26] } 16. Ne3 { [%eval 0.03] [%clk 0:29:10] } 16... Ne7 { [%eval 0.28] [%clk 0:32:23] } 17. Bb3 { [%eval -0.25] [%clk 0:22:20] } 17... Nxg3 { [%eval 0.0] [%clk 0:29:17] } 18. hxg3 { [%eval 0.0] [%clk 0:22:03] } 18... h5 { [%eval 0.0] [%clk 0:29:09] } 19. Qc1 { [%eval -0.05] [%clk 0:19:48] } 19... Bxe3 { [%eval -0.13] [%clk 0:23:16] } 20. Qxe3 { [%eval -0.4] [%clk 0:14:17] } 20... Qxe3 { [%eval -0.45] [%clk 0:23:08] } 21. Rxe3 { [%eval -0.46] [%clk 0:13:51] } 21... Bxb3 { [%eval -0.17] [%clk 0:23:02] } 22. axb3 { [%eval -0.11] [%clk 0:14:19] } 22... f5 { [%eval 0.0] [%clk 0:22:45] } 23. exf5 { [%eval 0.0] [%clk 0:10:39] } 23... Nxf5 { [%eval -0.07] [%clk 0:23:05] } 24. Re2 { [%eval -0.09] [%clk 0:11:02] } 24... Kg7 { [%eval 0.0] [%clk 0:21:34] } 25. b4 { [%eval 0.0] [%clk 0:08:50] } 25... Rae8 { [%eval -0.03] [%clk 0:19:51] } 26. Rae1 { [%eval -0.05] [%clk 0:05:39] } 26... Nxh4 { [%eval 0.0] [%clk 0:15:18] } 27. gxh4 { [%eval 0.0] [%clk 0:06:08] } 27... Kf7 { [%eval -0.02] [%clk 0:15:15] } 28. Kh2 { [%eval 0.0] [%clk 0:05:48] } 28... Re6 { [%eval 0.0] [%clk 0:13:42] } 29. Kg3 { [%eval 0.0] [%clk 0:04:45] } 29... Rfe8 { [%eval 0.0] [%clk 0:13:57] } 30. Re3 { [%eval 0.0] [%clk 0:01:24] } 30... c6 { [%eval 0.0] [%clk 0:13:09] } 31. R1e2 { [%eval 0.0] [%clk 0:00:35] } 31... Kg6 { [%eval 0.0] [%clk 0:11:16] } 32. Re1 { [%eval 0.0] [%clk 0:00:34] } 32... Kf5 { [%eval 0.0] [%clk 0:10:47] } 33. Rf1 { [%eval 0.0] [%clk 0:00:35] } 33... e4 { [%eval 0.0] [%clk 0:08:00] } 34. d4 { [%eval -0.14] [%clk 0:00:38] } 34... d5 { [%eval -0.15] [%clk 0:08:11] } 35. Rfe1 { [%eval -0.16] [%clk 0:00:34] } 35... Rg6 { [%eval -0.11] [%clk 0:08:01] } 36. Ra1 { [%eval -0.12] [%clk 0:00:41] } 36... Rf6 { [%eval -0.17] [%clk 0:07:27] } 37. Ra5 { [%eval -0.18] } { We pick up right before the time control in an imbalanced, complex rook endgame that has something for everybody! } { [%clk 0:00:37] } 37... Ke6!? { [%eval 0.5] [%clk 0:05:48] } (37... Ra8! { The only path to an advantage, and a really subtle one. Black wants to repel White's rook with ... b7-b6 now that the a6-pawn is supported. } 38. c4 b6! { The point, repelling White's rook. } 39. Ra1 dxc4 40. Rc3? (40. f3 { White is fighting to equalize here, but this is best. } 40... gxf3 41. gxf3 exf3 42. Kxf3 Re6 $10) 40... b5 $17 { Black's king has safely remained on the strong f5-square defending the e4-pawn without being restricted by the pin along the fifth rank now that the rook has been kicked off the a5-square. }) 38. c4! { [%eval 0.56] } { White has softened up Black's defenses and should soon enjoy the more active rooks with threats along the a-file. } { [%cal Rd5c4,Ge3e4,Yb4b5,Ya5a7,Be3c3] [%clk 0:00:47] } 38... Rc8 { [%eval 0.72] [%clk 0:03:44] } 39. Rc3 { [%eval 0.73] } { White's e3-rook comes to life! } { [%clk 0:00:55] } 39... Rff8 { [%eval 0.83] [%clk 0:02:06] } 40. Rc5 { [%eval 0.83] [%clk 0:30:34] } 40... Rcd8 { [%eval 0.94] [%clk 0:31:26] } 41. b5 { [%eval 0.61] [%clk 0:12:01] } 41... cxb5 { [%eval 0.54] [%clk 0:24:34] } 42. cxb5 { [%eval 0.65] [%clk 0:11:43] } 42... Rf7?! { [%eval 2.19] [%clk 0:15:56] } (42... a5 { Black's best was to keep the queenside files more closed. In the game, White's rooks infiltrate and can chase down Black's pawns from behind. } 43. Rc7 Rd7 44. R3c5 Rfd8 45. Rxd7 Rxd7 46. Rc8 Rh7! { With only one set of rooks remaining, Black can afford this. Even if White chases down the a-pawn, it comes at the cost of White's rook's prime placement. } 47. Ra8 Kd6 48. Rxa5 Rh8! $10 { The b5-pawn will fall as soon as White does anything with the rook, and the scope of "anything" that White's rook can do has been drastically restricted without the Ra5-a8 resource. } { [%cal Bd6c7,Bc7b6] }) 43. bxa6 { [%eval 2.38] [%clk 0:02:32] } 43... bxa6 { [%eval 2.1] [%clk 0:16:11] } 44. Rb3 { [%eval 1.11] [%clk 0:02:49] } 44... Rd6? { [%eval 2.39] [%clk 0:15:18] } (44... Rfd7 { was stronger than abandoning the back rank. }) 45. Rb8 { [%eval 2.13] } { White's rooks will get behind Black's pawns, but the game remains massively complex. } { [%clk 0:02:44] } 45... Kf6 { [%eval 2.18] [%clk 0:12:30] } 46. Rh8 { [%eval 2.18] [%clk 0:01:47] } 46... Kg6 { [%eval 2.04] [%clk 0:12:42] } 47. Rg8+ { [%eval 1.05] [%clk 0:01:50] } 47... Rg7 { [%eval 1.36] [%clk 0:11:16] } 48. Rxg7+ { [%eval 1.65] [%clk 0:00:59] } 48... Kxg7 { [%eval 1.43] [%clk 0:11:44] } 49. Kf4 { [%eval 1.25] [%clk 0:01:08] } 49... Rf6+ { [%eval 1.77] [%clk 0:11:03] } 50. Ke3 { [%eval 1.74] [%clk 0:01:31] } 50... Rd6 { [%eval 2.08] [%clk 0:10:55] } 51. g3 { [%eval 2.1] [%clk 0:01:38] } 51... Kg6 { [%eval 2.14] [%clk 0:10:48] } 52. b4 { [%eval 2.2] [%clk 0:01:13] } 52... Kf5 { [%eval 1.99] [%clk 0:09:49] } 53. Ra5 { [%eval 1.41] [%clk 0:00:32] } 53... Ke6 { [%eval 2.1] [%clk 0:07:40] } 54. Kf4 { [%eval 2.33] [%clk 0:00:45] } 54... Rb6 { [%eval 2.15] [%clk 0:07:09] } 55. Kg5 { [%eval 2.01] [%clk 0:00:32] } 55... Rxb4 { [%eval 2.19] [%clk 0:07:22] } 56. Rxa6+ { [%eval 2.03] [%clk 0:00:57] } 56... Ke7 { [%eval 1.81] [%clk 0:07:48] } 57. Rf6? { [%eval 0.0] } { The wrong way! White seeks out the appearance of activity, in contrast with Ra6-a2, but, as we will see, the rook is more passive here than on the second rank (where it can move laterally to attack the d-pawn). } { [%clk 0:00:32] } (57. Kxh5 Rxd4 58. Ra2 { Passive defense suffices here, because The king will support the kingside pawns. } 58... Rd3 59. Kxg4 Rf3 60. h5 d4 61. Re2 $18 { A key detail: the passive defense isn't so passive after all, as the rook is well-placed to attack Black's pawns as soon as the d-pawn attempts an advance. }) 57... Rxd4 { [%eval 0.0] [%clk 0:07:39] } 58. Rf4 { [%eval 0.0] [%clk 0:00:38] } 58... Rd2?? { [%eval 3.61] } { Black likely only calculated 59. Kxh5 Re2 60. Rxg4 and 60. Kxg4, but White has a secret third alternative that wins now. } { [%clk 0:07:45] } 59. Kxh5 { [%eval 3.4] [%clk 0:00:47] } 59... Re2 { [%eval 3.19] [%clk 0:08:12] } 60. Rxg4?? { [%eval -4.56] } { A massive miscalculation, passing up both the lone winning move and many moves that left Black fighting to prove the draw. Now, Black is actually winning! } { [%clk 0:00:33] } (60. Kg5! { White's h-pawn queens second, yet Black has only one spite check after promotion, whereas White is primed for a king hunt beginning with Qh8-f8+. } 60... Rc2 (60... d4 61. h5! d3 62. h6! d2 63. h7 d1=Q 64. h8=Q Qd5+ { A cruel detail is Black's only check kept the queen on the d-file. This matters because it makes it harder for Black to stay out of their queenside corner because of potential skewers on the king and queen. } 65. Kh4 { [%cal Bh8f8,Bf4f7] } 65... Rd2 66. Qf8+ Kd7 67. Rf7+ Kc6 68. Qc8+ Kb5 { [%cal Rc6d6,Rf7d7,Rd7d5] } 69. Rb7+ $18) (60... e3 61. fxe3 Rxe3 62. Kxg4! { This is the distinction between 60. Kg5! and 60. Kg6. By defending the g-pawn, Black's rook cannot reach the h-file behind White's pawn fast enough. } 62... Re1 63. h5 Rh1 64. Kg5 { [%cal Rd5d4] } 64... Kd6 65. h6 Kc5 66. Rh4 $18) 61. h5 Rc8 62. h6 Rg8+ 63. Kf5 Rh8 64. Ke5 e3 65. fxe3 Rxh6) (60. Kxg4 { Capturing is only good for a draw: } 60... d4 61. h5 d3 62. h6 d2 63. h7 d1=Q 64. h8=Q Rxf2+! { A very convenient double check! } 65. Kf5 Rxf4+ 66. gxf4 Qd5+ $10) (60. Kg6 { This looks promising, but } 60... e3! { holds the draw: } (60... d4?? 61. h5 d3 { is no different than the 60. Kg5 line. }) 61. fxe3 Rxe3 62. h5 Rxg3! 63. h6 Rh3 64. Rd4 Ke6 $10) 60... Rxf2 { [%eval -4.39] [%clk 0:07:06] } (60... d4 { This was also winning. }) 61. Rg7+ { [%eval -5.01] [%clk 0:00:38] } 61... Ke6 { [%eval -5.06] [%clk 0:07:21] } 62. Rg8 { [%eval -5.28] [%clk 0:00:35] } 62... d4 { [%eval -5.0] } { The problem becomes more clear: White's king is in the way of the more advanced pawn, and it cannot step off the h-file without interfering with the g-pawn's ability to protect the h-pawn in the future. In contrast, Black's pawns are in perfect harmony and about to receive back-up support from their king. } { [%clk 0:07:20] } 63. Re8+ { [%eval -5.35] [%clk 0:00:42] } 63... Kd5 { [%eval -5.26] [%clk 0:07:46] } 64. g4 { [%eval -5.61] [%clk 0:00:32] } 64... e3 { [%eval -5.5] [%clk 0:07:42] } 65. g5 { [%eval -5.86] [%clk 0:00:53] } 65... e2 { [%eval -5.8] [%clk 0:07:51] } 66. g6 { [%eval -9.33] [%clk 0:00:44] } 66... Rf5+ { [%eval -9.91] } { White's rook is cut off! } { [%clk 0:08:07] } 67. Kg4 { [%eval -8.41] [%clk 0:00:32] } 67... Re5 { [%eval -8.9] [%clk 0:08:33] } 68. Rd8+ { [%eval -13.15] [%clk 0:00:34] } 68... Kc6 { [%eval -8.69] [%clk 0:06:01] } 69. g7 { [%eval -11.78] [%clk 0:00:37] } 69... e1=Q { [%eval -11.09] } { Now it is Black who has the mating net after mutual promotion. } { [%clk 0:06:24] } 70. Rc8+ { [%eval -9.3] [%clk 0:00:32] } (70. g8=Q Qg1+ 71. Kf3 Rf5+ 72. Ke4 Qb1+! 73. Kxd4 Qd1+ 74. Kc3 Rf3+ $19) 70... Kd7 { [%eval #-27] [%clk 0:06:30] } 71. Rd8+ { [%eval -15.09] } { White sacrifices the rook to promote with check, since the alternative is getting mated. } { [%clk 0:00:32] } 71... Kxd8 { [%eval -26.31] [%clk 0:06:25] } 72. g8=Q+ { [%eval -69.53] [%clk 0:00:58] } 72... Kd7 { [%eval -13.06] } { White can keep checking for the moment, but there is no perpetual. } { [%clk 0:06:47] } 73. Qf7+ { [%eval -11.02] [%clk 0:01:01] } 73... Kd6 { [%eval -9.61] [%clk 0:07:11] } 74. Qf8+ { [%eval -10.71] [%clk 0:00:32] } 74... Kd5 { [%eval -9.44] [%clk 0:07:15] } 75. Qf7+ { [%eval -7.79] [%clk 0:00:33] } 75... Kc5 { [%eval -5.39] [%clk 0:07:37] } 76. Qc7+ { [%eval #-16] [%clk 0:00:33] } 76... Kb4 { [%eval #-15] [%clk 0:07:58] } 77. Qb6+ { [%eval #-14] [%clk 0:00:32] } 77... Kc3 { [%eval #-15] [%clk 0:08:18] } 78. Qc7+ { [%eval #-15] [%clk 0:00:31] } 78... Kd2 { [%eval #-14] [%clk 0:08:35] } 79. Qa7 { [%eval #-5] [%clk 0:00:39] } 79... Qg1+ { [%eval #-6] [%clk 0:08:15] } 80. Kf4 { [%eval #-6] [%clk 0:01:01] } 80... Qh2+ { [%eval #-6] [%clk 0:08:31] } 81. Kf3 { [%eval #-3] [%clk 0:00:34] } 81... Qh3+ { [%eval #-2] [%clk 0:08:49] } 82. Kf4 { [%eval #-2] [%clk 0:00:56] } 82... Qf5+ { [%eval #-3] } { With mate three moves away, White resigned. } { [%clk 0:09:12] } 0-1