Marciano, Orry M vs Lee, Daniel
2026 Pan-American Intercollegiate Championship · Round 5 · 2026.01.02 · 0-1 · D10 Slav Defense
Moves
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
57.
58.
59.
60.
61.
62.
63.
64.
65.
66.
67.
PGN
[Event "2026 Pan-American Intercollegiate Championship"]
[Site "Lichess"]
[Date "2026.01.02"]
[Round "5"]
[White "Marciano, Orry M"]
[Black "Lee, Daniel"]
[Result "0-1"]
[PlyCount "134"]
[WhiteElo "1969"]
[WhiteFideId "30982642"]
[BlackElo "1909"]
[BlackFideId "30945585"]
[ECO "D10"]
[Source "LichessBroadcast"]
[SourceQuality "2"]
[ImportDate "2026-02-03"]
1. d4 { [%clk 1:30:48] } 1... d5 { [%clk 1:30:53] } 2. c4 { [%clk 1:30:48] }
2... c6 { [%clk 1:31:19] } 3. Nc3 { [%clk 1:31:10] } 3... Nf6
{ [%clk 1:31:43] } 4. e3 { [%clk 1:31:30] } 4... Bf5 { [%clk 1:31:59] } 5. cxd5
{ [%clk 1:31:42] } 5... cxd5 { [%clk 1:32:25] } 6. Qb3 { [%clk 1:32:05] } 6...
Bc8 { [%clk 1:32:20] } 7. Nf3 { [%clk 1:32:17] } 7... e6 { [%clk 1:32:45] } 8.
Bd3 { [%clk 1:32:44] } 8... Nc6 { [%clk 1:33:09] } 9. O-O { [%clk 1:33:07] }
9... Be7 { [%clk 1:33:32] } 10. Bd2 { [%clk 1:33:30] } 10... O-O
{ [%clk 1:33:38] } 11. Rfc1 { [%clk 1:33:56] } 11... Na5 { [%clk 1:26:54] } 12.
Qd1 { [%clk 1:25:33] } 12... a6 { [%clk 1:23:13] } 13. Ne5 { [%clk 1:17:33] }
13... Nd7 { [%clk 1:15:53] } 14. Qc2 { [%clk 1:11:44] } 14... f5 $6
{ Inaccuracy. Nxe5 was best.[%clk 1:12:26] } 15. Ne2 { [%clk 0:56:18] } 15...
Nxe5 { [%clk 1:09:45] } 16. dxe5 { [%clk 0:56:43] } 16... Nc6
{ [%clk 1:08:57] } 17. Bc3 { [%clk 0:50:54] } 17... Bd7 { [%clk 0:59:07] } 18.
Qb3 { [%clk 0:50:28] } 18... Qb8 { [%clk 0:43:55] } 19. f4 { [%clk 0:49:07] }
19... Bc5 { [%clk 0:24:20] } 20. Bd4 { [%clk 0:25:37] } 20... Nxd4
{ [%clk 0:24:34] } 21. Nxd4 { [%clk 0:21:28] } 21... Qa7 { [%clk 0:22:19] } 22.
Qc3 { [%clk 0:20:24] } 22... Rac8 { [%clk 0:21:14] } 23. b4 { [%clk 0:20:40] }
23... Bxd4 { [%clk 0:18:35] } 24. Qxd4 { [%clk 0:20:52] } 24... Qxd4
{ [%clk 0:18:00] } 25. exd4 { [%clk 0:21:17] } 25... Bb5 { [%clk 0:14:21] } 26.
Bxb5 { [%clk 0:18:35] } 26... axb5 { [%clk 0:14:46] } 27. Rc5
{ [%clk 0:18:08] } 27... Rxc5 { [%clk 0:15:01] } 28. bxc5 { [%clk 0:18:26] }
28... Ra8 { [%clk 0:15:27] } 29. Rb1 { [%clk 0:18:45] } 29... Ra5
{ [%clk 0:15:26] } 30. Rb2 { [%clk 0:19:04] } 30... Kf8 { [%clk 0:14:43] } 31.
Rc2 { [%clk 0:11:34] } 31... Ra6 { [%clk 0:10:18] } 32. Rb2 { [%clk 0:10:49] }
32... Ra5 { [%clk 0:10:35] } 33. Rc2 { [%clk 0:10:58] } 33... Ra4
{ [%clk 0:08:00] } 34. Rb2 { [%clk 0:09:06] } 34... b4 { [%clk 0:07:30] } 35.
Rc2 { [%clk 0:06:09] } 35... Ra6 { [%clk 0:06:44] } 36. Rb2 { [%clk 0:06:30] }
36... Ra4 { [%clk 0:07:09] } 37. Rc2 { [%clk 0:06:55] } 37... Ke7
{ [%clk 0:06:03] } 38. c6 { [%clk 0:07:15] } 38... bxc6 { [%clk 0:06:11] } 39.
Rc4 $4 { Checkmate is now unavoidable. Rxc6 was best.[%clk 0:07:40] } 39... c5
$4 { Lost forced checkmate sequence. dxc4 was best.[%clk 0:06:11] } 40. Rxc5
{ [%clk 0:07:40] } 40... Rxa2 { [%clk 0:06:31] } 41. Rc6 $4
{ Blunder. Rb5 was best.[%clk 0:07:47] } 41... Rb2 $4
{ Blunder. b3 was best.[%clk 0:03:15] } 42. Rb6 { [%clk 0:07:47] } 42... Kf8
{ [%clk 0:03:38] } 43. Rb8+ { [%clk 0:08:07] } 43... Kf7 { [%clk 0:04:03] }
44. Rb7+ { [%clk 0:08:19] } 44... Kg6 { [%clk 0:02:10] } 45. Rb6 $2
{ Mistake. h3 was best.[%clk 0:08:23] } 45... Kh5 { [%clk 0:00:50] } 46. Rxe6
{ [%clk 0:07:37] } 46... Kg4 $2 { Mistake. b3 was best.[%clk 0:01:05] } 47. Rb6
$4 { Blunder. Rd6 was best.[%clk 0:07:57] } 47... Kxf4 { [%clk 0:01:26] } 48.
e6 { [%clk 0:07:56] } 48... Re2 { [%clk 0:00:32] } 49. Rxb4 { [%clk 0:07:41] }
49... Rxe6 { [%clk 0:00:55] } 50. Rb7 { [%clk 0:06:55] } 50... Ke3 $4
{ Blunder. g5 was best.[%clk 0:00:33] } 51. Rxg7 { [%clk 0:07:03] } 51... h6
{ [%clk 0:00:36] } 52. Rf7 $4 { Blunder. h4 was best.[%clk 0:06:40] } 52... f4
$4 { Blunder. Kxd4 was best.[%clk 0:00:34] } 53. Kf1 $4
{ Blunder. h4 was best.[%clk 0:06:56] } 53... Kxd4 { [%clk 0:00:41] } 54.
Rxf4+ { [%clk 0:07:21] } 54... Kc3 { [%clk 0:01:00] } 55. Rf3+
{ [%clk 0:04:12] } 55... Kc2 { [%clk 0:01:04] } 56. Rf2+ { [%clk 0:04:30] }
56... Kc3 $4 { Blunder. Kd3 was best.[%clk 0:01:25] } 57. Rf3+ $4
{ Blunder. Re2 was best.[%clk 0:04:54] } 57... Kc4 { [%clk 0:01:48] } 58. Rf8
$6 { Inaccuracy. Rf2 was best.[%clk 0:02:28] } 58... d4 { [%clk 0:02:11] } 59.
Rc8+ { [%clk 0:01:59] } 59... Kb3 { [%clk 0:02:26] } 60. Rd8 { [%clk 0:01:55] }
60... Kc3 { [%clk 0:02:50] } 61. g4 { [%clk 0:01:26] } 61... d3
{ [%clk 0:02:57] } 62. Rc8+ { [%clk 0:01:14] } 62... Kb2 { [%clk 0:03:16] } 63.
Rb8+ { [%clk 0:01:40] } 63... Kc2 { [%clk 0:03:38] } 64. Rc8+
{ [%clk 0:01:10] } 64... Kd1 { [%clk 0:04:00] } 65. Rd8 { [%clk 0:00:58] }
65... d2 { [%clk 0:03:59] } 66. h3 $6
{ Inaccuracy. Kf2 was best.[%clk 0:00:34] } 66... Rf6+ { [%clk 0:04:09] } 67.
Kg2 { [%clk 0:00:57] } 67... Rc6 { [%clk 0:02:49] } 0-1