Colville, Julian vs Chavez Dominguez, Lenin Odin
North American Junior Chess Championship U20 2025 OPEN · Round 2 · 2025.12.01 · 1-0 · B35 Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation
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PGN
[Event "North American Junior Chess Championship U20 2025 OPEN"]
[Site "Lichess"]
[Date "2025.12.01"]
[Round "2"]
[White "Colville, Julian"]
[Black "Chavez Dominguez, Lenin Odin"]
[Result "1-0"]
[PlyCount "113"]
[WhiteElo "2301"]
[WhiteFideId "30963273"]
[WhiteTitle "IM"]
[BlackElo "2050"]
[BlackFideId "5156793"]
[ECO "B35"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2026-02-03"]
1. e4 { [%clk 1:30:21] } 1... c5 { [%clk 1:30:50] } 2. Nc3 { [%clk 1:30:48] }
2... Nc6 { [%clk 1:31:11] } 3. Nge2 { [%clk 1:31:16] } 3... g6
{ [%clk 1:31:32] } 4. d4 { [%clk 1:31:44] } 4... cxd4 { [%clk 1:31:55] } 5.
Nxd4 { [%clk 1:32:12] } 5... Bg7 { [%clk 1:32:13] } 6. Be3 { [%clk 1:32:40] }
6... Nf6 { [%clk 1:32:35] } 7. Bc4 { [%clk 1:33:07] } 7... O-O
{ [%clk 1:32:53] } 8. Bb3 { [%clk 1:33:36] } 8... a5 { [%clk 1:32:27] } 9. O-O
{ [%clk 1:34:00] } 9... a4 { [%clk 1:31:55] } 10. Nxa4 { [%clk 1:34:25] } 10...
Nxe4 { [%clk 1:32:20] } 11. Nb5 { [%clk 1:34:52] } 11... Ra6 { [%clk 1:32:46] }
12. Qe2 { [%clk 1:35:18] } 12... d6 { [%clk 1:29:14] } 13. Rad1
{ [%clk 1:35:21] } 13... Bd7 $6 { Inaccuracy. Na5 was best.[%clk 1:28:03] } 14.
c4 { [%clk 1:34:23] } 14... Na5 { [%clk 1:20:52] } 15. Bb6 $2
{ Mistake. Bc2 was best.[%clk 1:32:51] } 15... Rxb6 { [%clk 1:21:18] } 16. Nxb6
{ [%clk 1:33:14] } 16... Qxb6 { [%clk 1:21:43] } 17. Qxe4 { [%clk 1:33:37] }
17... Nxb3 { [%clk 1:22:05] } 18. axb3 { [%clk 1:34:01] } 18... Bxb5
{ [%clk 1:21:01] } 19. cxb5 { [%clk 1:34:23] } 19... Qxb5 $2
{ Mistake. Be5 was best.[%clk 1:14:38] } 20. Qa4 $4
{ Blunder. Qxe7 was best.[%clk 1:33:24] } 20... Qb6 { [%clk 0:36:04] } 21. Rd2
{ [%clk 1:33:03] } 21... Rc8 { [%clk 0:25:44] } 22. Qd7 { [%clk 1:30:29] }
22... Rc7 { [%clk 0:23:55] } 23. Qe8+ { [%clk 1:30:49] } 23... Bf8
{ [%clk 0:24:08] } 24. Ra1 { [%clk 1:28:48] } 24... e6 { [%clk 0:09:12] } 25.
h4 { [%clk 1:26:45] } 25... Qb4 $2 { Mistake. Qc6 was best.[%clk 0:06:36] }
26. Rd3 { [%clk 1:23:38] } 26... Qxh4 { [%clk 0:06:24] } 27. Rc3
{ [%clk 1:23:28] } 27... Rxc3 { [%clk 0:02:13] } 28. bxc3 { [%clk 1:23:52] }
28... Qg5 $4 { Blunder. Qh5 was best.[%clk 0:01:51] } 29. g3
{ [%clk 1:22:03] } 29... Qd5 $6 { Inaccuracy. Qd2 was best.[%clk 0:00:43] }
30. c4 { [%clk 1:21:26] } 30... Qc5 $6
{ Inaccuracy. Qd4 was best.[%clk 0:00:52] } 31. Ra8 { [%clk 1:21:21] } 31...
d5 { [%clk 0:01:11] } 32. Rc8 { [%clk 1:21:36] } 32... Qa3 { [%clk 0:01:27] }
33. c5 { [%clk 1:21:58] } 33... Qa1+ { [%clk 0:01:03] } 34. Kg2
{ [%clk 1:22:22] } 34... Qg7 { [%clk 0:01:26] } 35. Rc7 { [%clk 1:22:21] }
35... Qf6 { [%clk 0:00:59] } 36. Rxb7 { [%clk 1:22:32] } 36... Qf5 $6
{ Inaccuracy. Kg7 was best.[%clk 0:01:23] } 37. Rb8 { [%clk 1:22:57] } 37...
Qe4+ $6 { Checkmate is now unavoidable. Kg7 was best.[%clk 0:01:21] } 38. Kh2
{ [%clk 1:23:23] } 38... Kg7 { [%clk 0:01:33] } 39. Qxf8+ { [%clk 1:23:47] }
39... Kf6 { [%clk 0:01:59] } 40. Rb7 { [%clk 1:24:07] } 40... Kg5
{ [%clk 0:02:03] } 41. Qxf7 { [%clk 1:24:27] } 41... d4 $6
{ Checkmate is now unavoidable. h6 was best.[%clk 0:02:12] } 42. Qf4+
{ [%clk 1:24:53] } 42... Qxf4 { [%clk 0:02:30] } 43. gxf4+ { [%clk 1:25:16] }
43... Kxf4 { [%clk 0:02:56] } 44. c6 { [%clk 1:25:38] } 44... d3
{ [%clk 0:03:18] } 45. c7 $6
{ Lost forced checkmate sequence. Rd7 was best.[%clk 1:25:43] } 45... d2
{ [%clk 0:03:43] } 46. Rb4+ { [%clk 1:26:11] } 46... Ke5 { [%clk 0:04:02] }
47. Rd4 { [%clk 1:26:35] } 47... Kxd4 { [%clk 0:04:18] } 48. c8=Q
{ [%clk 1:26:55] } 48... Ke4 $2
{ Checkmate is now unavoidable. g5 was best.[%clk 0:04:36] } 49. Qxe6+
{ [%clk 1:27:20] } 49... Kf4 { [%clk 0:04:18] } 50. Qe3+ { [%clk 1:27:41] }
50... Kg4 { [%clk 0:04:38] } 51. Qxd2 { [%clk 1:28:06] } 51... Kh5
{ [%clk 0:04:47] } 52. Qf4 { [%clk 1:28:21] } 52... g5 { [%clk 0:05:08] } 53.
Qf5 { [%clk 1:28:43] } 53... Kh6 { [%clk 0:05:27] } 54. Qf6+ { [%clk 1:29:01] }
54... Kh5 { [%clk 0:05:49] } 55. b4 { [%clk 1:29:19] } 55... Kg4
{ [%clk 0:05:43] } 56. f3+ { [%clk 1:29:34] } 56... Kh5 { [%clk 0:06:03] } 57.
Kg3 { [%clk 1:29:59] } 1-0