2023 Ontario Open Chess Championship May 20, 21, 22

[Halldor P. Palsson]

[ePGN "0.1;DGT LiveChess/2.2.5"]
[Event "2023 Ontario Open"]
[Site "RA Centre, Canada"]
[Date "????.??.??"]
[Round "5.1"]
[White "Perez Rodriguez, Luis Manuel"]
[Black "Sambuev, Bator"]
[Result "1-0"]
[TimeControl "90+30"]
[WhiteTitle "GM"]
[BlackTitle "GM"]
[WhiteElo "2411"]
[BlackElo "2503"]

1. e4 {[%clk 01:29:14]} {[%emt 00:01:45]} e5 {[%clk 01:29:10]} {[%emt
00:01:50]} 2. Nf3 {[%clk 01:28:54]} {[%emt 00:00:50]} Nc6 {[%clk 01:29:33]}
{[%emt 00:00:07]} 3. Bb5 {[%clk 01:28:46]} {[%emt 00:00:39]} a6 {[%clk
01:29:58]} {[%emt 00:00:05]} 4. Ba4 {[%clk 01:29:11]} {[%emt 00:00:04]} d6
{[%clk 01:30:23]} {[%emt 00:00:04]} 5. O-O {[%clk 01:26:58]} {[%emt 00:02:43]}
Bd7 {[%clk 01:30:42]} {[%emt 00:00:12]} 6. d4 {[%clk 01:22:53]} {[%emt
00:04:35]} Nxd4 {[%clk 01:28:41]} {[%emt 00:02:31]} 7. Bxd7+ {[%clk 01:20:55]}
{[%emt 00:02:28]} Qxd7 {[%clk 01:29:03]} {[%emt 00:00:07]} 8. Nxd4 {[%clk
01:21:12]} {[%emt 00:00:13]} exd4 {[%clk 01:29:28]} {[%emt 00:00:05]} 9. Qxd4
{[%clk 01:19:39]} {[%emt 00:02:03]} Nf6 {[%clk 01:29:48]} {[%emt 00:00:10]} 10.
b3 {[%clk 01:13:28]} {[%emt 00:06:42]} Be7 {[%clk 01:30:01]} {[%emt 00:00:16]}
11. Bb2 {[%clk 01:13:52]} {[%emt 00:00:07]} O-O {[%clk 01:30:13]} {[%emt
00:00:18]} 12. Nc3 {[%clk 01:12:55]} {[%emt 00:01:27]} c6 {[%clk 01:29:51]}
{[%emt 00:00:47]} 13. Rad1 {[%clk 01:10:13]} {[%emt 00:03:16]} Rad8 {[%clk
01:26:34]} {[%emt 00:03:47]} 14. Rfe1 {[%clk 01:04:00]} {[%emt 00:06:44]} Rfe8
{[%clk 01:26:20]} {[%emt 00:00:43]} 15. h3 {[%clk 00:50:32]} {[%emt 00:13:59]}
Bf8 {[%clk 01:20:35]} {[%emt 00:06:14]} 16. Re3 {[%clk 00:47:17]} {[%emt
00:03:46]} Re6 {[%clk 01:17:47]} {[%emt 00:03:17]} 17. Ne2 {[%clk 00:41:38]}
{[%emt 00:42:47]} Qe8 {[%clk 01:07:26]} 18. Ng3 {[%clk 00:35:27]} d5 {[%clk
01:06:23]} 19. e5 {[%clk 00:30:32]} Nd7 {[%clk 01:05:11]} 20. Qf4 {[%clk
00:28:34]} Bc5 {[%clk 00:58:37]} 21. Re2 {[%clk 00:24:41]} {[%emt 00:03:30]} f6
{[%clk 00:55:27]} {[%emt 00:03:40]} 22. exf6 {[%clk 00:22:47]} {[%emt
00:12:19]} Rxe2 {[%clk 00:55:25]} 23. f7+ {[%clk 00:21:36]} Qxf7 {[%clk
00:55:45]} 24. Qxf7+ {[%clk 00:21:59]} Kxf7 {[%clk 00:56:11]} 25. Nxe2 {[%clk
00:22:25]} Nf6 {[%clk 00:50:33]} 26. Nf4 {[%clk 00:21:23]} {[%emt 00:00:23]}
Ne4 {[%clk 00:49:27]} {[%emt 00:01:35]} 27. Nd3 {[%clk 00:21:42]} {[%emt
00:00:12]} Bb6 {[%clk 00:49:18]} {[%emt 00:00:33]} 28. g4 {[%clk 00:21:56]}
{[%emt 00:00:21]} Re8 {[%clk 00:42:41]} {[%emt 00:08:49]} 29. Kg2 {[%clk
00:21:51]} d4 {[%clk 00:41:48]} {[%emt 00:00:16]} 30. Re1 {[%clk 00:19:24]}
{[%emt 00:02:56]} Re6 {[%clk 00:31:55]} {[%emt 00:10:23]} 31. f3 {[%clk
00:17:13]} {[%emt 00:02:42]} Nf6 {[%clk 00:28:52]} {[%emt 00:03:32]} 32. Ne5+
{[%clk 00:15:25]} {[%emt 00:02:18]} Ke8 {[%clk 00:27:20]} {[%emt 00:02:01]} 33.
f4 {[%clk 00:15:33]} {[%emt 00:00:23]} Nd5 {[%clk 00:26:40]} {[%emt 00:01:10]}
34. Kf3 {[%clk 00:06:27]} {[%emt 00:09:37]} c5 {[%clk 00:17:30]} {[%emt
00:09:40]} 35. f5 {[%clk 00:03:18]} {[%emt 00:03:39]} Re7 {[%clk 00:17:49]}
{[%emt 00:00:11]} 36. Nd3 {[%clk 00:03:31]} {[%emt 00:00:17]} Rxe1 {[%clk
00:15:39]} {[%emt 00:05:34]} 37. Nxe1 {[%clk 00:04:00]} Kd7 {[%clk 00:15:47]}
38. Ke4 {[%clk 00:03:54]} Kd6 {[%clk 00:15:28]} 39. Nd3 {[%clk 00:02:44]}
{[%emt 00:00:34]} Bd8 {[%clk 00:14:48]} {[%emt 00:01:10]} 40. Nxc5 {[%clk
00:02:18]} {[%emt 00:00:57]} Kxc5 {[%clk 00:14:45]} {[%emt 00:00:33]} 41. Bxd4+
{[%clk 00:02:45]} {[%emt 00:00:02]} Kd6 {[%clk 00:13:49]} {[%emt 00:01:25]} 42.
Be5+ {[%clk 00:03:14]} {[%emt 00:00:02]} Kc6 {[%clk 00:13:21]} {[%emt
00:00:56]} 43. Bxg7 {[%clk 00:03:42]} {[%emt 00:00:04]} Ba5 {[%clk 00:05:56]}
{[%emt 00:07:55]} 44. a3 {[%clk 00:03:31]} {[%emt 00:00:41]} Bd2 {[%clk
00:05:34]} {[%emt 00:00:51]} 45. c4 {[%clk 00:03:10]} {[%emt 00:00:53]} Nb6
{[%clk 00:05:17]} {[%emt 00:00:45]} 46. h4 {[%clk 00:03:02]} {[%emt 00:00:40]}
Nc8 {[%clk 00:04:27]} {[%emt 00:01:20]} 47. Be5 {[%clk 00:01:48]} {[%emt
00:01:44]} Be1 {[%clk 00:04:32]} {[%emt 00:00:25]} 48. h5 {[%clk 00:01:41]}
{[%emt 00:00:38]} Nd6+ {[%clk 00:02:53]} {[%emt 00:02:09]} 49. Bxd6 {[%clk
00:01:33]} {[%emt 00:00:38]} Kxd6 {[%clk 00:03:17]} {[%emt 00:00:06]} 50. g5
{[%clk 00:01:16]} {[%emt 00:00:47]} Bd2 {[%clk 00:02:44]} {[%emt 00:01:03]} 51.
g6 {[%clk 00:00:46]} {[%emt 00:01:00]} hxg6 {[%clk 00:02:17]} {[%emt 00:00:56]}
52. fxg6 {[%clk 00:00:50]} {[%emt 00:00:26]} Ke6 {[%clk 00:02:40]} {[%emt
00:00:07]} 53. b4 {[%clk 00:00:49]} {[%emt 00:00:32]} Bc1 {[%clk 00:02:53]}
{[%emt 00:00:16]} 54. a4 {[%clk 00:01:03]} {[%emt 00:00:16]} Bd2 {[%clk
00:02:48]} {[%emt 00:00:35]} 55. b5 {[%clk 00:00:59]} {[%emt 00:00:35]} axb5
{[%clk 00:03:12]} {[%emt 00:00:06]} 56. axb5 {[%clk 00:01:09]} {[%emt
00:00:19]} Bb4 {[%clk 00:03:00]} {[%emt 00:00:42]} 57. h6 {[%clk 00:01:20]}
{[%emt 00:00:20]} Kf6 {[%clk 00:03:25]} {[%emt 00:00:04]} 58. h7 {[%clk
00:01:13]} {[%emt 00:00:38]} Kg7 {[%clk 00:03:52]} {[%emt 00:00:02]} 59. Kd5
{[%clk 00:01:38]} {[%emt 00:00:06]} b6 {[%clk 00:04:11]} {[%emt 00:00:11]} 60.
Ke6 {[%clk 00:01:34]} {[%emt 00:00:35]} Bc5 {[%clk 00:01:17]} {[%emt 00:03:23]}
61. h8=Q+ {[%clk 00:01:49]} {[%emt 00:00:15]} *



[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Dukic Zachary"]
[Black "Fritzsche Helmut (GER)"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2401"]
[BlackElo "2022"]
[Annotator ""]
[Source ""]
[Remark ""]

1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4 Nxe4 5.Qe2 Qe7 6.Ne3 c6 7.b3
Nf6 8.Bb2 g6 9.Bxf6 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Vera Reynaldo (CUB)"]
[Black "Zhu Matthew"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2443"]
[BlackElo "2029"]
[Annotator ""]
[Source ""]
[Remark ""]

1.c4 g6 2.Nc3 c5 3.Nf3 Bg7 4.d4 cxd4 5.Nxd4 Nc6 6.Nc2 Bxc3+ 7.bxc3
Qa5 8.e4 Nf6 9.f3 d6 10.Rb1 a6 11.Nb4 Ne5 12.Be2 Be6 13.Nd5 Rc8
14.Nxf6+ exf6 15.Qxd6 Nxc4 16.Bxc4 Qxc3+ 17.Bd2 Qxc4 18.Rxb7
Qc5 19.Re7+ 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Xu, Daniel"]
[Black "Reprintsev Alexander (UKR)"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2339"]
[BlackElo "2353"]
[Annotator ""]
[Source ""]
[Remark ""]

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 c6 6.Bc4 Bg4 7.Be3
Nbd7 8.h3 Bh5 9.Be2 e6 10.Qd2 Qc7 11.Bf4 Bd6 12.Bxd6 Qxd6 13.O-O
O-O 14.Qe3 Nd5 15.Nxd5 cxd5 16.Bd3 Bg6 17.Bxg6 hxg6 18.c3 b5
19.Ne5 Nb6 20.Nd3 Na4 21.g3 $10 a5 22.a3 Rfc8 23.Kg2 Qb6 24.Rab1
Qb8 25.h4 Nb6 26.h5 gxh5 27.Qg5 Nd7 28.Qxh5 Nf6 29.Qh4 Kf8 30.Ne5
Rc7 31.Qh8+ Ng8 32.Rh1 Qe8 33.Rbe1 $10 f6 34.Nd3 g5 35.Nc5 e5
36.dxe5 Rxc5 37.Rh7 Qg6 38.e6 Rac8 39.e7+ Ke8 40.Rg7 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Gao Raymond (CAN)"]
[Black "Gao, Lucy"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2111"]
[BlackElo "0"]
[Annotator ""]
[Source ""]
[Remark ""]

1.c4 e5 2.a3 Nf6 3.d3 d5 4.cxd5 Nxd5 5.Nf3 Nc6 6.e4 Nf6 7.Qc2
h6 8.Be2 a5 9.Be3 Be6 10.Nc3 Ng4 11.Bd2 Bc5 12.O-O O-O 13.Na4
Bd6 14.Nc5 Bc8 15.b4 axb4 16.axb4 Rxa1 17.Rxa1 b6 18.Na6 Qd7
19.b5 Nd8 20.h3 Nf6 21.d4 exd4 22.e5 Re8 23.Nb8 Qe7 24.exd6 Qxe2
25.d7 Bxd7 26.Nxd7 Ne4 27.Rf1 Qxb5 28.Qxc7 Ne6 29.Qb7 Nd6 30.Qa7
Nc8 31.Qb7 Nd6 1/2-1/2

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Yang, Ryan"]
[Black "Azar Sebastien"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "0"]
[BlackElo "2077"]
[Annotator ""]
[Source ""]
[Remark ""]

1.e4 c5 2.Nc3 Nc6 3.Bb5 Nd4 4.Bc4 e6 5.Nf3 a6 6.a4 Qc7 7.d3 Ne7
8.Nxd4 cxd4 9.Ne2 Nc6 10.O-O g6 11.f4 Bg7 12.Qe1 Na5 13.b3 Rb8
14.e5 b5 15.axb5 Nxc4 16.bxc4 axb5 17.Ba3 Bf8 18.Bxf8 Kxf8 19.Qb4+
Kg7 20.c5 Bb7 21.Nxd4 Rhc8 22.c6 dxc6 23.Qc5 Qd7 24.c3 b4 25.cxb4
Rd8 26.Nf3 Qxd3 27.Rad1 Qxd1 28.Rxd1 Rxd1+ 29.Kf2 Rd7 30.Ng5
Ra8 31.Kg3 Ra2 32.h3 h6 33.Ne4 Rd3+ 34.Kh2 Ba8 35.Nf6 1/2-1/2

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.21"]
[Round "5"]
[White "Han Johnathan (CAN)"]
[Black "Jaferian Koosha (IRI)"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2274"]
[BlackElo "2163"]
[Annotator ""]
[Source ""]
[Remark ""]

1.e4 c6 2.d4 d5 3.Nd2 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3
e6 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 Nf6 11.Bd2 c5 12.O-O-O Nc6 13.Bc3
Qd5 14.dxc5 Qxd3 15.Rxd3 Bxc5 16.Kb1 Rc8 17.a3 Ke7 18.Nd4 Nxd4
19.Bxd4 Bxd4 20.Rxd4 Rhd8 21.Rhd1 Rxd4 22.Rxd4 Rc5 23.b4 Rg5
24.Rc4 Kd6 25.Kb2 Rd5 26.Kb3 Nxh5 27.Ne4+ Ke7 28.Rc8 b6 29.Ra8
Rd7 30.Nc3 Nf4 31.Nb5 Nxg2 32.Nxa7 Kd6 33.c4 h5 34.a4 h4 35.a5
bxa5 36.c5+ Kd5 37.c6 Rc7 38.Rd8+ Ke4 39.b5 Rxa7 40.b6 Ra6 41.b7
Rb6+ 42.Ka4 h3 43.b8Q Rxb8 44.Rxb8 g5 45.c7 h2 46.Rb1 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.22"]
[Round "5"]
[White "Gordon David (CAN)"]
[Black "Ramesh, Sanjay"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2237"]
[BlackElo "0"]
[Annotator ""]
[Source ""]
[Remark ""]

1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc3 a6 5.a4 e6 6.Bg5 Nbd7 7.e3 Bd6
8.c5 Bc7 9.b4 e5 10.Be2 h6 11.Bh4 e4 12.Nd2 g5 13.Bg3 Nf8 14.Bxc7
Qxc7 15.O-O g4 16.f3 gxf3 17.gxf3 Rg8+ 18.Kh1 exf3 19.Bxf3 Be6
20.e4 Qf4 21.exd5 cxd5 22.b5 Qxd4 23.Nde4 Qe5 24.Nxf6+ Qxf6 25.Nxd5
Qd8 26.c6 bxc6 27.Nf6+ Qxf6 28.Bxc6+ Ke7 29.Rxf6 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.22"]
[Round "5"]
[White "Umayan, Vincent"]
[Black "Zhong Ryan Yunhui"]
[Result "1-0"]
[ECO "?"]
[WhiteElo "2100"]
[BlackElo "1955"]
[Annotator ""]
[Source ""]
[Remark ""]

1.d4 d5 2.c4 dxc4 3.e3 Nf6 4.Bxc4 e6 5.Nf3 a6 6.a3 b5 7.Ba2 Bb7
8.Nc3 Nbd7 9.b4 Ne4 10.Nxe4 Bxe4 11.O-O Nb6 12.Ne5 Bd6 13.Qg4
Bg6 14.f4 Bxe5 15.dxe5 O-O 16.Bb2 Qe7 17.Bd4 Rfd8 18.Rac1 Rd7
19.Qf3 Rb8 20.Bxb6 cxb6 21.e4 Rd2 22.Bb1 Qh4 23.Qe3 Rbd8 24.h3
h6 25.Rf2 R2d4 26.Rcf1 Bh7 27.f5 Qh5 28.fxe6 fxe6 29.Qxd4 Re8
30.Qd6 Bg6 31.Rf8+ Rxf8 32.Rxf8+ Kh7 33.Qxe6 Qd1+ 34.Kh2 h5 35.Qc8
Kh6 36.Rh8+ Kg5 1-0

[Event "Ontario Open"]
[Site "Ottawa (Canada)"]
[Date "2023.05.22"]
[Round "5"]
[White "Plotkin Victor (CAN)"]
[Black "Mao, Fengxi"]
[Result "1-0"]
[ECO "?"]
[WhiteElo "2267"]
[BlackElo "0"]
[Annotator ""]
[Source ""]
[Remark ""]

1.e4 Na6 2.d4 c6 3.Nf3 Nc7 4.c4 d5 5.exd5 cxd5 6.Nc3 Nf6 7.Ne5
g6 8.cxd5 Bg7 9.Bc4 O-O 10.Qf3 e6 11.O-O Nfxd5 12.Rd1 Bd7 13.Bb3
Be8 14.Bd2 f6 15.Nd3 Bc6 16.Qh3 Re8 17.Rac1 Qe7 18.Re1 Qf7 19.Nxd5
Bxd5 20.Bf4 Nb5 21.Ba4 Bc6 22.Nb4 Nxd4 23.Nxc6 Nxc6 24.Be3 f5
25.b4 Rec8 26.Qh4 a5 27.b5 Nb4 28.Bb3 Nd5 29.Bd2 b6 30.Rc6 Rxc6
31.bxc6 Rc8 32.Qc4 Nc7 33.Rxe6 Kf8 34.Re8+ Qxe8 35.Qg8+ Ke7 36.Qxg7+
Kd6 37.Qf6+ Ne6 38.Bf4+ Kxc6 39.Bxe6 Kb5 40.Qe5+ Ka6 41.Bxc8+
Qxc8 42.h4 Qc4 43.a3 Qd3 44.Qe3 Qd1+ 45.Kh2 Qa4 46.g3 Qc2 47.Qd4
Kb5 48.Be3 Qc6 49.a4+ Ka6 50.Qd8 h6 51.Bxh6 Qxa4 52.Qa8+ Kb5
53.Qe8+ Kb4 54.Qxg6 Qb5 55.Be3 1-0