Isaac Ballen vs Zhang, Edward
Torneo por Equipos COLEGIO SAN BARTOLOME · Round 4 · 2026.05.26 · 0-1 · B01 Scandinavian Defense: Modern Variation
Moves
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PGN
[Event "Torneo por Equipos COLEGIO SAN BARTOLOME"]
[Site "Lichess"]
[Date "2026.05.26"]
[Round "4"]
[White "Isaac Ballen"]
[Black "Zhang, Edward"]
[Result "0-1"]
[PlyCount "156"]
[BlackElo "1820"]
[BlackFideId "2084988"]
[ECO "B01"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2026-06-04"]
1. e4 { [%clk 0:10:09] } 1... d5 { [%clk 0:10:09] } 2. exd5 { [%clk 0:10:12] }
2... Nf6 { [%clk 0:10:13] } 3. Nc3 { [%clk 0:10:15] } 3... Nxd5
{ [%clk 0:10:17] } 4. Nxd5 { [%clk 0:10:19] } 4... Qxd5 { [%clk 0:10:20] } 5.
Nf3 { [%clk 0:10:16] } 5... Nc6 { [%clk 0:10:23] } 6. d3 $6
{ Inaccuracy. d4 was best.[%clk 0:10:22] } 6... Bg4 { [%clk 0:10:26] } 7. Be2
{ [%clk 0:10:25] } 7... Qd7 $6 { Inaccuracy. O-O-O was best.[%clk 0:10:27] } 8.
h3 { [%clk 0:10:25] } 8... Bf5 { [%clk 0:10:16] } 9. Bf4 $6
{ Inaccuracy. Nh4 was best.[%clk 0:10:20] } 9... O-O-O { [%clk 0:10:16] } 10.
O-O { [%clk 0:10:22] } 10... h6 $6 { Inaccuracy. f6 was best.[%clk 0:09:56] }
11. Ne5 $6 { Inaccuracy. b4 was best.[%clk 0:09:47] } 11... Nxe5
{ [%clk 0:09:50] } 12. Bxe5 { [%clk 0:09:49] } 12... f6 { [%clk 0:09:49] } 13.
Bg3 { [%clk 0:09:50] } 13... e5 { [%clk 0:09:45] } 14. Bf3 { [%clk 0:09:50] }
14... g5 { [%clk 0:09:05] } 15. Be2 { [%clk 0:09:13] } 15... Kb8
{ [%clk 0:08:17] } 16. f3 $6 { Inaccuracy. Bh5 was best.[%clk 0:09:08] } 16...
Bc5+ { [%clk 0:08:09] } 17. Bf2 { [%clk 0:09:08] } 17... Bxf2+
{ [%clk 0:07:48] } 18. Rxf2 { [%clk 0:09:11] } 18... Bg6 { [%clk 0:07:28] } 19.
Kf1 $6 { Inaccuracy. Qd2 was best.[%clk 0:09:02] } 19... Rhe8
{ [%clk 0:06:50] } 20. Ke1 $6 { Inaccuracy. Kg1 was best.[%clk 0:08:58] } 20...
f5 { [%clk 0:06:30] } 21. Qd2 $6 { Inaccuracy. Kf1 was best.[%clk 0:08:48] }
21... e4 { [%clk 0:06:24] } 22. Qd1 $6
{ Inaccuracy. Qb4 was best.[%clk 0:08:36] } 22... exf3 { [%clk 0:06:01] } 23.
Rxf3 { [%clk 0:08:30] } 23... Bh5 { [%clk 0:05:45] } 24. Rf2 { [%clk 0:08:31] }
24... Qe6 $2 { Mistake. Qd6 was best.[%clk 0:05:25] } 25. c4 $2
{ Mistake. Kf1 was best.[%clk 0:07:54] } 25... Bxe2 $2
{ Mistake. Qd6 was best.[%clk 0:05:28] } 26. Rxe2 { [%clk 0:07:57] } 26... Qc6
$6 { Inaccuracy. Qb6 was best.[%clk 0:05:11] } 27. g3 $4
{ Blunder. Rxe8 was best.[%clk 0:07:41] } 27... Qh1+ { [%clk 0:05:00] } 28. Kd2
{ [%clk 0:07:43] } 28... Rxe2+ { [%clk 0:04:47] } 29. Kxe2 $2
{ Checkmate is now unavoidable. Qxe2 was best.[%clk 0:07:38] } 29... Qxh3 $4
{ Lost forced checkmate sequence. Qg2+ was best.[%clk 0:04:21] } 30. Qg1
{ [%clk 0:07:33] } 30... Qg4+ { [%clk 0:04:21] } 31. Kd2 { [%clk 0:07:34] }
31... f4 { [%clk 0:04:04] } 32. gxf4 { [%clk 0:07:32] } 32... Qxf4+
{ [%clk 0:04:15] } 33. Qe3 { [%clk 0:07:29] } 33... Qxe3+ $2
{ Mistake. Qxc4 was best.[%clk 0:03:36] } 34. Kxe3 { [%clk 0:07:31] } 34... Rd6
{ [%clk 0:03:21] } 35. Rf1 { [%clk 0:07:31] } 35... b6 $6
{ Inaccuracy. Re6+ was best.[%clk 0:03:19] } 36. Rh1 $6
{ Inaccuracy. Rf8+ was best.[%clk 0:07:25] } 36... a5 { [%clk 0:03:15] } 37.
Kf3 $2 { Mistake. d4 was best.[%clk 0:07:27] } 37... Rxd3+ { [%clk 0:03:17] }
38. Kg4 { [%clk 0:07:31] } 38... Rd4+ { [%clk 0:03:11] } 39. Kf5
{ [%clk 0:07:26] } 39... Rxc4 { [%clk 0:02:48] } 40. Rxh6 { [%clk 0:07:29] }
40... Rc2 { [%clk 0:02:45] } 41. Kxg5 { [%clk 0:07:29] } 41... Rxb2
{ [%clk 0:02:48] } 42. a4 { [%clk 0:07:30] } 42... Ra2 { [%clk 0:02:34] } 43.
Rh4 { [%clk 0:07:34] } 43... Kb7 { [%clk 0:02:30] } 44. Kf5 { [%clk 0:07:36] }
44... Rb2 { [%clk 0:02:04] } 45. Ke5 { [%clk 0:07:33] } 45... b5
{ [%clk 0:01:53] } 46. axb5 { [%clk 0:07:30] } 46... Rxb5+ { [%clk 0:01:57] }
47. Kf6 { [%clk 0:07:21] } 47... Rb6+ { [%clk 0:01:57] } 48. Kf5
{ [%clk 0:07:22] } 48... Ra6 { [%clk 0:01:51] } 49. Ra4 { [%clk 0:07:24] }
49... c5 { [%clk 0:01:38] } 50. Ke4 { [%clk 0:07:26] } 50... Kc6 $4
{ Blunder. Rd6 was best.[%clk 0:01:41] } 51. Kd3 { [%clk 0:07:30] } 51... Kb5
{ [%clk 0:01:38] } 52. Ra1 $4 { Blunder. Rg4 was best.[%clk 0:07:28] } 52...
a4 { [%clk 0:01:36] } 53. Kc3 { [%clk 0:07:29] } 53... a3 { [%clk 0:01:35] }
54. Rb1+ $6 { Inaccuracy. Ra2 was best.[%clk 0:07:30] } 54... Kc6
{ [%clk 0:01:36] } 55. Ra1 { [%clk 0:07:32] } 55... a2 { [%clk 0:01:36] } 56.
Kb2 { [%clk 0:07:34] } 56... Kd5 $4 { Blunder. Kb5 was best.[%clk 0:01:35] }
57. Rxa2 $4 { Blunder. Rd1+ was best.[%clk 0:07:29] } 57... Rxa2+
{ [%clk 0:01:39] } 58. Kxa2 { [%clk 0:07:32] } 58... Kc4 { [%clk 0:01:41] } 59.
Kb2 { [%clk 0:07:35] } 59... Kd3 { [%clk 0:01:45] } 60. Kc1 $6
{ Checkmate is now unavoidable. Kb1 was best.[%clk 0:07:38] } 60... Kc3 $6
{ Lost forced checkmate sequence. c4 was best.[%clk 0:01:30] } 61. Kd1 $6
{ Checkmate is now unavoidable. Kb1 was best.[%clk 0:07:40] } 61... Kb2 $6
{ Lost forced checkmate sequence. Kd3 was best.[%clk 0:01:28] } 62. Kd2 $6
{ Checkmate is now unavoidable. Ke2 was best.[%clk 0:07:43] } 62... c4
{ [%clk 0:01:32] } 63. Kd1 { [%clk 0:07:46] } 63... c3 { [%clk 0:01:35] } 64.
Ke2 { [%clk 0:07:47] } 64... c2 { [%clk 0:01:38] } 65. Kd3 { [%clk 0:07:51] }
65... c1=Q { [%clk 0:01:40] } 66. Kd4 { [%clk 0:07:52] } 66... Qc3+
{ [%clk 0:01:33] } 67. Kd5 { [%clk 0:07:55] } 67... Kb3 { [%clk 0:01:35] } 68.
Ke4 { [%clk 0:07:59] } 68... Kc4 { [%clk 0:01:37] } 69. Kf5 { [%clk 0:08:00] }
69... Qd4 { [%clk 0:01:41] } 70. Ke6 { [%clk 0:08:03] } 70... Qd5+
{ [%clk 0:01:43] } 71. Kf6 { [%clk 0:08:07] } 71... Kd4 { [%clk 0:01:46] } 72.
Ke7 { [%clk 0:08:10] } 72... Ke5 { [%clk 0:01:49] } 73. Kf8 { [%clk 0:08:09] }
73... Qe6 { [%clk 0:01:53] } 74. Kg7 { [%clk 0:08:11] } 74... Qf6+
{ [%clk 0:01:56] } 75. Kh7 { [%clk 0:08:13] } 75... Ke6 { [%clk 0:01:53] } 76.
Kg8 { [%clk 0:08:17] } 76... Qe7 { [%clk 0:01:53] } 77. Kh8 { [%clk 0:08:18] }
77... Kf6 { [%clk 0:01:57] } 78. Kg8 { [%clk 0:08:19] } 78... Qg7#
{ [%clk 0:02:01] } 0-1