[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.1"]
[White "Kuybokarov, Temur"]
[Black "Lane, Gary W"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2558"]
[BlackElo "2343"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,55,33,20,79,6,20,-13,41,40,124,119,118,117,119,133,138,137,133,125,136,146,289,290,291,265,266,272,261,229,300,323,320,327,420,410]} 1. e4 {[%emt 0:02:22]} e5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:15][%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 {[%emt 0:00:07]} 4. Ba4 {[%emt 0:00:17]} Nf6 {[%emt 0:00:06]} 5. O-O {[%emt 0:00:14]} b5 {[%emt 0:00:19]} 6. Bb3 {[%emt 0:00:10]} Bb7 {[%emt 0:00:04]} 7. Re1 {[%emt 0:02:28]} Bc5 {[%emt 0:01:22]} 8. c3 {[%emt 0:00:17]} d6 {[%emt 0:00:23]} 9. d4 {[%emt 0:00:13]} Bb6 {[%emt 0:00:05]} 10. a4 {[%emt 0:00:21]} O-O {[%emt 0:01:59]} 11. Bg5 {[%emt 0:00:51]} h6 {[%emt 0:01:11]} 12. Bh4 {[%emt 0:00:17]} Re8 {[%emt 0:02:42] C78: Ruy Lopez: Archangelsk and Möller Defences.} (12... exd4 $11 13. cxd4 g5) 13. Qd3 $5 {[%emt 0:16:10][%mdl 4] An interesting side line.} (13. axb5 $16 axb5 14. Rxa8 Bxa8 15. d5) 13... Na5 {[%emt 0:16:40] [#]} 14. Ba2 $146 {[%emt 0:08:54]} ({Predecessor:} 14. Bc2 c5 15. d5 c4 16. Qe2 Bc8 17. Nbd2 Bd7 {½-½ Shchekachev,A (2465)-Rausis,I (2460) Moscow4 1992}) 14... c5 {[%emt 0:02:02]} (14... exd4 $11 15. cxd4 Rxe4) 15. axb5 $14 {[%emt 0:05:45] dxc5 would be deadly.} axb5 {[%emt 0:00:31]} ({Black should try} 15... exd4 $14 16. Nbd2 axb5 17. Bxf6 Qxf6 18. Qxb5 dxc3 19. bxc3 Qd8) 16. Bxf6 $16 {[%emt 0:01:08]} Qxf6 {[%emt 0:06:07]} 17. Qxb5 {[%emt 0:00:57]} Qd8 {[%emt 0:04:48]} 18. dxc5 {[%emt 0:02:18]} dxc5 {[%emt 0:06:29]} 19. Na3 {[%emt 0:00:21]} Qc7 {[%emt 0:02:03]} 20. Rad1 {[%emt 0:02:21] Strongly threatening Rd7. White is much more active.} Ba6 {[%emt 0:06:24] [#]} 21. Bxf7+ $1 {[%emt 0:10:25][%mdl 64] Double Attack} Kf8 {[%emt 0:12:53]} (21... Kxf7 $16 {was worth a try.} 22. Rd7+ Kf6 23. Rxc7 Bxb5 24. Nxb5 Rad8) 22. Qd7 $18 {[%emt 0:01:29]} Re7 {[%emt 0:00:31]} 23. Qxc7 {[%emt 0:00:14]} ({Don't do} 23. Qd5 Bb7 $18) 23... Bxc7 {[%emt 0:00:04]} 24. Bd5 {[%emt 0:00:13]} Rb8 {[%emt 0:00:04]} 25. Nh4 {[%emt 0:00:33]} Ke8 {[%emt 0:00:36]} 26. Nf5 {[%emt 0:01:19]} Rd7 {[%emt 0:00:04]} 27. Be6 {[%emt 0:00:33]} Rxd1 {[%emt 0:02:01]} 28. Rxd1 {[%emt 0:00:05] Weighted Error Value: White=0.10 (very precise) /Black=0.43} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.2"]
[White "Liu, Yi"]
[Black "Zhao, Zong-Yuan"]
[Result "0-1"]
[WhiteElo "2303"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "16"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,16,0,12,10,10,9,14,-412,-408]} 1. d4 {[%emt 0:00:33]} Nf6 {[%emt 0:08:22]} 2. Nf3 {[%emt 0:00:45]} d5 {[%emt 0:00:35]} 3. Bf4 {[%emt 0:02:02]} c5 {[%emt 0:01:20]} 4. e3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:25]} 5. Nbd2 {[%emt 0:00:09]} Bg4 {[%emt 0:01:32]} 6. h3 {[%emt 0:00:07] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bxf3 {[%emt 0:03:43]} 7. Nxf3 {[%emt 0:00:08]} e6 {[%emt 0:00:27]} 8. Bb5 $2 {[%emt 0:01:15][%mdl 8192] [#]} (8. Be2 $11) 8... Qa5+ $146 {[%emt 0:00:21] Black took control after the opening.   Weighted Error Value: White=2.45/Black=0.05 (flawless)} ({Predecessor:} 8... Nd7 9. c4 dxc4 10. O-O cxd4 11. Nxd4 e5 12. Nxc6 bxc6 13. Bxc6 exf4 14. exf4 Rc8 {1-0 Sipila,V (2434)-Ibadov,D (2308) Titled Tuesday intern op 15th Nov Early blitz 2022 (4)}) 0-1

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.3"]
[White "Sardana, Rishi"]
[Black "Gong, Patrick"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2459"]
[BlackElo "2292"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 13,96,25,32,27,35,18,12,20,12,16,18,18,30,23,37,34,27,22,22,23,20,16,33,18,50,27,50,54,35,38,62,35,45,6,31,0,0,0,0,0,0,0,0,0,0,0,17,13,17,0,0,0,35,41,76,75,120,116,101,102,110,39,51,0,0,0,0,0,0,0,0,0,0,-29,0,-179,-176,-171,-159,-158,-166,-202,-215,-749,-736]} 1. e4 {[%emt 0:00:13]} d6 {[%emt 0:06:25]} 2. d4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:01:00]} g6 {[%emt 0:00:48]} 4. Nf3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:11]} 5. Be2 {[%emt 0:01:03]} O-O {[%emt 0:00:35]} 6. O-O {[%emt 0:00:06]} a6 {[%emt 0:00:32]} 7. a4 {[%emt 0:00:16]} Nc6 {[%emt 0:00:15]} 8. Be3 {[%emt 0:01:32] B08: Pirc Defence: Classical System.} e5 {[%emt 0:02:42]} 9. dxe5 {[%emt 0:10:20]} (9. d5 $5 {[%cal Rd5c6]} Ne7 10. Nd2 $11) 9... dxe5 {[%emt 0:01:33]} 10. Qxd8 {[%emt 0:05:16] The position is equal.} Rxd8 {[%emt 0:02:29]} 11. Bc4 {[%emt 0:00:09]} h6 {[%emt 0:01:52]} 12. h3 {[%emt 0:01:16]} Re8 {[%emt 0:10:37]} 13. Rfd1 {[%emt 0:04:05] [#]} Be6 $146 {[%emt 0:04:55]} ({Predecessor:} 13... Nb4 14. Bb3 Bf8 15. Nxe5 Rxe5 16. Bd4 Bd6 17. f4 Rxe4 18. Nxe4 Nxe4 19. Re1 c5 20. Rxe4 cxd4 {0-1 Gardner,L (1533)-Bulmaga,I (2424) Sitges Sunway 7th 2020 (2)}) 14. Bxe6 {[%emt 0:00:50]} Rxe6 {[%emt 0:00:20]} 15. Nd5 {[%emt 0:00:41]} Rc8 {[%emt 0:02:42]} 16. Nxf6+ {[%emt 0:05:53]} Rxf6 {[%emt 0:00:40]} 17. c3 {[%emt 0:05:17]} Rd6 {[%emt 0:04:38]} 18. g4 {[%emt 0:24:15]} Nd8 {[%emt 0:08:36]} 19. Kf1 {[%emt 0:01:46][%cal Bg1f1,Bf1e2,Be2d3][%mdl 32]} Ne6 {[%emt 0:00:23]} 20. Rxd6 {[%emt 0:04:07]} cxd6 {[%emt 0:01:14]} 21. Ke2 {[%emt 0:00:46]} Kf8 {[%emt 0:01:06]} 22. Kd3 {[%emt 0:00:22]} Ke7 {[%emt 0:00:58]} 23. b4 {[%emt 0:04:56][%cal Bb2b4,Bb4b5][%mdl 32]} Bf6 {[%emt 0:12:32]} 24. b5 {[%emt 0:10:47]} d5 {[%emt 0:06:22]} 25. exd5 {[%emt 0:03:57]} (25. Bxh6 $2 Nc5+ 26. Ke2 Nxe4 27. bxa6 Nxc3+ 28. Kf1 bxa6 $19) 25... e4+ {[%emt 0:00:34][%mdl 64] Decoy} 26. Kxe4 {[%emt 0:00:22]} Rc4+ $1 {[%emt 0:00:39]} 27. Nd4 {[%emt 0:09:20]} Nc5+ {[%emt 0:02:10]} 28. Kf3 {[%emt 0:00:03]} Rxc3 {[%emt 0:00:47]} 29. Kg2 {[%emt 0:00:31]} Rc4 {[%emt 0:01:10]} 30. bxa6 {[%emt 0:00:19][%mdl 64] Deflection} bxa6 {[%emt 0:00:46]} (30... Bxd4 $2 31. a7 Bxa1 32. a8=Q $18 (32. a8=B $2 {too greedy.} Bd4 $19)) 31. Nc6+ {[%emt 0:00:53]} Kd6 {[%emt 0:01:28]} 32. Rd1 {[%emt 0:00:05]} Nxa4 {[%emt 0:01:09]} 33. Bxh6 {[%emt 0:00:20]} Nc3 {[%emt 0:01:46]} 34. Bf8+ {[%emt 0:00:07]} Kc7 {[%emt 0:01:04]} 35. Rc1 {[%emt 0:01:17]} Kb6 {[%emt 0:03:53]} 36. Rc2 {[%emt 0:02:45]} a5 {[%emt 0:03:29]} 37. Kf3 {[%emt 0:02:02]} (37. g5 $16 Bh8 38. Be7) 37... a4 $14 {[%emt 0:01:10]} 38. Ba3 {[%emt 0:00:37]} (38. h4 $1 $14) 38... Nb1 $11 {[%emt 0:00:58][%mdl 64] Discovered Attack} 39. Rxc4 {[%emt 0:00:52]} Nd2+ {[%emt 0:00:06]} 40. Ke2 {[%emt 0:00:05]} Nxc4 {[%emt 0:00:08][%mdl 4096] Endgame KBN-KBN} 41. Bf8 {[%emt 0:00:05]} a3 {[%emt 0:00:47] Threatens to win with ...a2.} 42. Nb4 {[%emt 0:00:35]} Kb5 {[%emt 0:01:39]} 43. Kd3 {[%emt 0:01:13]} Nb6 {[%emt 0:01:46]} 44. Kc2 $2 {[%emt 0:00:40] [#]} (44. Na2 $1 $11) 44... Nxd5 $1 {[%emt 0:00:33][%mdl 576] Deflection, Promotion} 45. Na2 {[%emt 0:00:41]} (45. Nxd5 $2 {perishes.} a2 46. Nxf6 (46. Nc7+ $2 Kc4 $19) 46... a1=Q $19) 45... Ka4 {[%emt 0:00:16]} 46. Bd6 {[%emt 0:00:15] [#]} g5 $1 {[%emt 0:01:22]} 47. f3 {[%emt 0:01:06]} Bb2 {[%emt 0:01:18]} 48. Bc5 $2 {[%emt 0:00:31]} (48. Bb8) 48... Kb5 {[%emt 0:00:42] Weighted Error Value: White=0.32/Black=0.09 (flawless)} 0-1

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.4"]
[White "Fu, Yihe"]
[Black "Kethro, Michael"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2149"]
[BlackElo "2149"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,65,14,14,22,29,34,11,8,8,23,25,13,0,19,0,0,0,0,0,22,0,0,9,33,39,43,10,63,41,65,58,77,68,83,21,29,0,81,90,297,121,225,215,303,313,346,275,328,272,1812,1795,29993,29994]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:01:02]} 2. Nf3 {[%emt 0:00:07]} e6 {[%emt 0:01:02]} 3. d4 {[%emt 0:00:09]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:07]} Nc6 {[%emt 0:00:33]} 5. Nc3 {[%emt 0:00:10]} Qc7 {[%emt 0:00:21]} 6. Be3 {[%emt 0:00:15]} a6 {[%emt 0:00:33]} 7. Qd2 {[%emt 0:00:21]} Nf6 {[%emt 0:01:03]} 8. f3 {[%emt 0:03:02]} Be7 {[%emt 0:05:05] B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 9. O-O-O {[%emt 0:00:55]} b5 {[%emt 0:01:05]} 10. Nxc6 {[%emt 0:00:09]} dxc6 {[%emt 0:00:55] The position is equal.} 11. g4 {[%emt 0:04:58][%cal Bg2g4,Bg4g5][%mdl 32]} e5 {[%emt 0:01:31]} 12. h4 {[%emt 0:02:16]} Be6 {[%emt 0:02:45]} 13. Qf2 {[%emt 0:02:03]} O-O {[%emt 0:02:22]} 14. g5 {[%emt 0:00:37]} Nh5 {[%emt 0:06:55]} 15. Bh3 {[%emt 0:00:19]} Bxh3 {[%emt 0:01:43]} 16. Rxh3 {[%emt 0:00:15]} Qc8 {[%emt 0:04:28]} 17. Rhh1 {[%emt 0:01:05]} Qe6 {[%emt 0:00:34]} 18. Kb1 {[%emt 0:02:25] [#]} g6 $146 {[%emt 0:04:13]} ({Predecessor:} 18... a5 19. Bc5 a4 20. Rd2 Rfd8 21. Rhd1 Rxd2 22. Rxd2 f6 23. gxf6 Qxf6 24. Bxe7 Qxe7 25. Qb6 Rc8 {1-0 Coll Sola,J (1959)-Sancho Castiello,F (1724) ESP-ch Seniors 65 2021 (3)}) 19. Ne2 {[%emt 0:01:45]} Rad8 {[%emt 0:07:07]} 20. Ng3 {[%emt 0:05:34]} Nf4 {[%emt 0:16:26]} (20... Rxd1+ $11 21. Rxd1 Nxg3 22. Qxg3 Rd8) 21. Bxf4 $14 {[%emt 0:02:06]} exf4 {[%emt 0:03:12]} 22. Ne2 {[%emt 0:00:07]} Rxd1+ {[%emt 0:06:53]} 23. Rxd1 {[%emt 0:00:12]} f6 {[%emt 0:01:00]} 24. Qa7 {[%emt 0:19:44]} (24. Nxf4 $6 Qf7 $11) ({White should play} 24. Qb6 $16) 24... fxg5 $11 {[%emt 0:14:03]} 25. Rd7 {[%emt 0:00:16]} (25. Qxa6 Qc4 26. Nc1 (26. Nd4 $2 Rd8 $19) 26... g4 $17) 25... Bf6 {[%emt 0:04:08]} (25... Qc4 $2 26. Rxe7 Rf7 27. b3 (27. hxg5 Rxe7 28. Qxe7 Qxe2 $11) 27... Rxe7 28. Qb8+ Kg7 29. bxc4 $18) (25... Rf7 $11) 26. hxg5 $16 {[%emt 0:00:30] White is more active.} (26. Rxh7 $2 {is the wrong capture.} Qe5 27. Nc3 Bg7 28. Rxg7+ Qxg7 29. Qxg7+ Kxg7 30. hxg5 Rh8 $19) 26... Be5 {[%emt 0:00:55] [#]} (26... Rd8 $16 {was called for.} 27. Rb7 (27. Rxh7 Rd1+ 28. Nc1 Bd4 $11) 27... Bxg5) 27. Rd3 {[%emt 0:12:05]} (27. Rxh7 $18 {is more deadly. Hoping for Re7.} Rf7 28. Rxf7 Qxf7 29. Qa8+ Kh7 30. Qxc6) 27... Bh8 {[%emt 0:07:37]} (27... h5 $16) 28. Qxa6 $18 {[%emt 0:02:14]} Qe5 {[%emt 0:01:12]} (28... h5 $142 29. gxh6 g5) 29. c3 {[%emt 0:00:07]} (29. Qxc6 $2 Qxb2#) 29... Qc5 {[%emt 0:01:04]} 30. Qb7 {[%emt 0:01:32]} Be5 {[%emt 0:03:36]} 31. Qd7 {[%emt 0:01:34] [#] Strongly threatening Qe6+.} Rb8 $2 {[%emt 0:01:23]} (31... Bg7 32. Nd4 Bxd4) 32. Qe6+ {[%emt 0:00:18]} Kf8 {[%emt 0:01:04]} 33. Rd7 {[%emt 0:00:42] Weighted Error Value: White=0.24 (precise) /Black=0.55} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.5"]
[White "Solomon, Stephen J"]
[Black "Koh, Cedric"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2279"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,74,-1,6,-7,0,-29,-8,-56,-67,-160,-145,-148,-140,-153,-81,-78,-34,-47,-30,-50,30,-27,-30,-75,0,-25,23,-16,57,41,60,62,53,48,37,9,112,144,151,57,55,47,51,77,79,11,170,150,245,214,384,381,401,379,354,350,514,526,412]} 1. e4 {[%emt 0:00:08]} e5 {[%emt 0:00:44]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:08]} 3. Bb5 {[%emt 0:00:08]} Nf6 {[%emt 0:00:07]} 4. O-O {[%emt 0:00:34]} Nxe4 {[%emt 0:00:07]} 5. d4 {[%emt 0:00:05]} Nd6 {[%emt 0:00:08]} 6. Bg5 {[%emt 0:00:39]} Be7 {[%emt 0:01:06]} 7. Bxe7 {[%emt 0:00:09]} Qxe7 {[%emt 0:00:39]} 8. Bxc6 {[%emt 0:00:05]} dxc6 {[%emt 0:00:22]} 9. dxe5 {[%emt 0:00:04]} Nf5 {[%emt 0:00:24]} 10. Qd2 {[%emt 0:03:18] C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} Bd7 {[%emt 0:01:03]} 11. Nc3 {[%emt 0:00:09]} O-O-O {[%emt 0:00:16]} 12. Qf4 {[%emt 0:00:25]} (12. Ne4 $11 {is more appropriate.}) 12... h6 $15 {[%emt 0:00:45] [#]} 13. h4 $146 {[%emt 0:00:08] [#]} (13. Rfd1 $15) ({Predecessor:} 13. Rad1 g5 14. Qe4 c5 15. Rfe1 Qe6 16. Na4 Qc6 17. Nc3 Qxe4 18. Nxe4 Bc6 19. Rxd8+ Rxd8 {0-1 Grasis,J (2106)-Antal,J (2252) LAT-SVK email 2011 [15]}) 13... g5 $1 $17 {[%emt 0:03:25][%mdl 512]} 14. Qa4 {[%emt 0:08:09]} Kb8 {[%emt 0:00:37][%cal Rf5h4]} 15. Rad1 {[%emt 0:02:24]} gxh4 {[%emt 0:02:56]} (15... c5 $142 16. Qe4 Nxh4 17. Nxh4 gxh4) 16. Qf4 {[%emt 0:08:20]} Rdg8 {[%emt 0:09:05]} (16... Bc8 {simplifies} 17. Rxd8 Rxd8 18. Re1 Be6) 17. Ne4 {[%emt 0:01:01]} Bc8 {[%emt 0:01:01]} 18. Nf6 {[%emt 0:01:07]} Rg6 {[%emt 0:01:05]} (18... Rd8 $15) 19. Kh2 {[%emt 0:10:09]} (19. Nxh4 Nxh4 20. Qxh4 Qxe5 21. Nd7+ Bxd7 22. Rxd7 Rc8 $15) (19. Rd2 $142) 19... h5 $11 {[%emt 0:03:12]} 20. Rd3 {[%emt 0:06:43]} Ka8 {[%emt 0:18:52]} (20... Nh6 $17 21. Qxh4 (21. Nxh5 $2 {loses.} Ng4+ {[%mdl 64] Discovered Attack} 22. Kh1 Rxh5 $19) 21... Ng4+ 22. Nxg4 Qxh4+ 23. Nxh4 hxg4) 21. Rfd1 {[%emt 0:02:35]} (21. Ng5 $5) 21... a6 {[%emt 0:09:29] Black is weak on the dark squares} (21... Nh6 $142) 22. Qd2 {[%emt 0:04:14] Rd8 is the strong threat. Active counter play!} (22. Nxh4 $2 {perishes.} Nxh4 23. g3 Nf5 $19) (22. Ng5 $5 {[%cal Rd3d7]} Nh6 23. f3 $11 (23. Qxh4 $2 Qxe5+ 24. Kh1 Qxf6 $19)) 22... Be6 {[%emt 0:06:59]} ({Black should play} 22... h3 $11 23. gxh3 (23. g3 Ka7 $11) 23... Qe6) 23. Rd8+ $14 {[%emt 0:04:44]} Rxd8 {[%emt 0:00:17]} 24. Qxd8+ {[%emt 0:00:07]} Qxd8 {[%emt 0:00:06]} 25. Rxd8+ {[%emt 0:00:07]} Ka7 {[%emt 0:00:04]} 26. a3 {[%emt 0:00:34]} h3 {[%emt 0:03:31]} 27. gxh3 $16 {[%emt 0:03:13]} Bc4 {[%emt 0:07:35]} 28. Nxh5 {[%emt 0:10:39] A dynamic duo of knights.} (28. b3 $16 Be2 29. Ne1) 28... Be2 $14 {[%emt 0:04:53]} 29. Nf4 $1 {[%emt 0:00:16][%csl LRe2,LRg6]} Bxf3 {[%emt 0:00:06]} 30. Nxg6 {[%emt 0:00:07]} fxg6 {[%emt 0:00:05] [#]} 31. Rf8 {[%emt 0:01:21]} ({White should try} 31. e6 $1 $16) 31... Bd5 $2 {[%emt 0:01:50] Loses the game.} (31... Kb6 $11 {and Black is okay.}) 32. Rf6 $18 {[%emt 0:00:17][%mdl 1024] White has strong compensation.} Ne7 {[%emt 0:00:58]} (32... Kb6 $16) 33. Kg3 {[%emt 0:05:32]} b5 $2 {[%emt 0:00:50]} (33... Kb6 {keeps fighting.} 34. Kf4 Kc5) 34. Kf4 {[%emt 0:00:37]} Kb7 {[%emt 0:00:19]} 35. e6 {[%emt 0:01:24]} c5 {[%emt 0:01:11]} 36. Ke5 {[%emt 0:00:14] Hoping for Rf7.} Kc6 {[%emt 0:00:10]} (36... Ba2 {might work better.} 37. Rf8 Nc8) 37. h4 {[%emt 0:01:19]} b4 {[%emt 0:02:53] Weighted Error Value: White=0.22 (precise) /Black=0.50} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.6"]
[White "Nemeth, John"]
[Black "Papantoniou, John"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "2157"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,54,25,30,23,58,-5,13,-4,4,0,27,9,6,8,11,2,0,-29,-33,-41,-29,-22,-27,-91,-93,-91,-87,-121,-111,-150,-96,-191,-165,-243,-215,-212,-202,-703,-703]} 1. Nf3 {[%emt 0:00:13]} d5 {[%emt 0:00:10]} 2. g3 {[%emt 0:00:20]} c5 {[%emt 0:00:06]} 3. c4 {[%emt 0:00:17]} e6 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:14]} Nc6 {[%emt 0:01:38]} 5. O-O {[%emt 0:01:20]} Nf6 {[%emt 0:00:16]} 6. cxd5 {[%emt 0:00:45]} exd5 {[%emt 0:00:06]} 7. d4 {[%emt 0:00:07]} Be7 {[%emt 0:00:30]} 8. Nc3 {[%emt 0:02:23]} O-O {[%emt 0:00:17]} 9. Bf4 {[%emt 0:10:30] Recently 9.dxc5 got a lot of attention.} c4 {[%emt 0:09:28]} 10. Ne5 {[%emt 0:04:58] D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} Be6 {[%emt 0:01:07]} 11. Qd2 {[%emt 0:10:35]} (11. Nxc4 $14 dxc4 12. d5) 11... Qb6 $11 {[%emt 0:12:06]} 12. Rad1 {[%emt 0:04:59] The position is equal.} Rfd8 {[%emt 0:02:50] [#]} 13. Be3 $146 {[%emt 0:06:11]} ({Predecessor:} 13. h3 Rac8 14. Be3 Bb4 15. Qc2 Qa5 16. f4 Bxc3 17. bxc3 Ne4 18. f5 Bd7 19. Bxe4 Nxe5 20. dxe5 {1-0 Ploehn,H (2148)-Stauch,E (2089) Regionalliga NW 1112 2011 (3.1)}) 13... Ne8 {[%emt 0:43:35]} 14. Qc2 {[%emt 0:13:34][%cal Oe5c4]} (14. Nxc4 $5 dxc4 15. d5 $14 {[%mdl 64] Discovered Attack}) 14... Qa6 {[%emt 0:07:25]} 15. f4 {[%emt 0:11:57]} (15. Rfe1 {seems wilder.} Rac8 16. a3 Nc7 17. Bf4) 15... f5 $1 {[%emt 0:04:36] [#]} 16. g4 $1 {[%emt 0:06:00]} g6 {[%emt 0:00:04]} 17. g5 {[%emt 0:01:19]} b5 {[%emt 0:01:54]} 18. a3 {[%emt 0:01:57]} Rab8 {[%emt 0:06:12]} 19. h4 {[%emt 0:03:46]} Qb6 {[%emt 0:04:47]} 20. Nxc6 {[%emt 0:03:34]} (20. Bf2 $11 {keeps the balance.}) 20... Qxc6 $17 {[%emt 0:00:00]} 21. h5 {[%emt 0:00:20]} Nd6 {[%emt 0:00:12]} 22. Bf3 {[%emt 0:02:42]} a5 {[%emt 0:00:29][%cal Ba7a5,Ba5b4,Bb4b3][%mdl 32]} 23. Kg2 {[%emt 0:00:45]} Bf8 {[%emt 0:00:55]} (23... b4 $142 24. axb4 axb4) 24. Bc1 {[%emt 0:01:31]} (24. Ra1 $17) 24... b4 $19 {[%emt 0:00:58]} 25. axb4 {[%emt 0:01:10]} (25. Nb1 {might work better.}) 25... axb4 {[%emt 0:00:00]} 26. Nb1 {[%emt 0:00:21]} Ne4 {[%emt 0:01:01] [#] And now ...b3 would win.} 27. Rh1 $2 {[%emt 0:01:38]} (27. Be3) 27... b3 {[%emt 0:00:25] Weighted Error Value: White=0.56/Black=0.08 (flawless)} 0-1

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.7"]
[White "Morris, James"]
[Black "Stead, Kerry"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2456"]
[BlackElo "1952"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,39,56,44,53,26,36,22,39,38,35,36,49,32,34,28,54,32,75,29,50,48,110,93,201,191,370,364,1174,1155,1505,1257]} 1. e4 {[%emt 0:06:25]} c6 {[%emt 0:00:32]} 2. Nc3 {[%emt 0:00:10]} d5 {[%emt 0:00:14]} 3. Nf3 {[%emt 0:00:05]} Bg4 {[%emt 0:00:35]} 4. h3 {[%emt 0:03:12]} Bxf3 {[%emt 0:00:11]} 5. Qxf3 {[%emt 0:00:07]} dxe4 {[%emt 0:00:08]} 6. Nxe4 {[%emt 0:00:16]} Nd7 {[%emt 0:00:12] 6...Nd7 is better than 6...e6. B11: Caro-Kann: Two Knights Variation.} 7. g3 {[%emt 0:05:35]} Ngf6 {[%emt 0:00:17]} 8. Bg2 {[%emt 0:00:20]} e6 {[%emt 0:01:05] The position is equal.} 9. O-O {[%emt 0:00:19]} Nxe4 {[%emt 0:00:21]} 10. Qxe4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:12]} 11. Qe2 {[%emt 0:00:05][%cal Ob2b4]} Bd6 {[%emt 0:00:26]} 12. d4 {[%emt 0:00:06]} Qc7 {[%emt 0:01:45] [#]} 13. b3 $146 {[%emt 0:03:46]} ({Predecessor:} 13. c3 O-O 14. Bg5 Nd7 15. a4 Rfe8 16. a5 e5 17. d5 e4 18. dxc6 Qxc6 {0-1 Bosnjak,P (2255)-Hasangatin,R (2502) Titled Tuesday intern op 17th April blitz 2017 (9)}) 13... O-O-O {[%emt 0:01:11]} 14. Bb2 {[%emt 0:00:33]} (14. c4 $16) 14... Rhe8 {[%emt 0:00:17]} 15. c4 {[%emt 0:00:33]} c5 {[%emt 0:01:14]} (15... h5 $1 $14) 16. b4 {[%emt 0:15:48]} cxb4 {[%emt 0:03:22]} (16... cxd4 $16 17. c5 Be7) 17. a3 {[%emt 0:00:19]} bxa3 $2 {[%emt 0:01:16]} (17... b3 {was worth a try.} 18. Qf3 e5) 18. Bxa3 $18 {[%emt 0:05:57] This pair of bishops is nice.} b6 $2 {[%emt 0:24:31] [#]} (18... Bxa3 19. Rxa3 b6) 19. c5 $1 {[%emt 0:00:45][%mdl 512]} bxc5 {[%emt 0:01:32]} (19... Nd5 20. cxd6) 20. dxc5 {[%emt 0:02:09] Weighted Error Value: White=0.14 (very precise) /Black=0.43} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.7"]
[White "Archer, Ollie"]
[Black "Rujevic, Mirko"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1960"]
[BlackElo "2141"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,100,48,45,40,18,37,42,43,37,54,19,18,23,20,0,10,13,59,60,58,58,78,16,178,188,180,186,178,158,171,145,163,-184,320,304,287,318,311,-22,-25,-12,-8,-8,0,-6,-11,-15,0,-24,-22,-24,-22,-145,-8,0,0,-9,0,-80,-80,-144,-17,-17,-17,-17,0,0,0,0,0,0,0,0,0,0,0,-8,8,8,8]} 1. d4 {[%emt 1:07:23]} Nf6 {[%emt 0:00:26]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:10]} 3. Nf3 {[%emt 0:00:07]} d5 {[%emt 0:00:36]} 4. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:01:18]} 5. cxd5 {[%emt 0:01:38]} exd5 {[%emt 0:04:49]} 6. Bg5 {[%emt 0:00:13]} c6 {[%emt 0:05:14]} 7. Qc2 {[%emt 0:02:09]} Nbd7 {[%emt 0:05:15]} 8. e3 {[%emt 0:00:42]} O-O {[%emt 0:00:51]} 9. Bd3 {[%emt 0:00:16]} h6 {[%emt 0:00:18]} 10. Bh4 {[%emt 0:00:08]} Re8 {[%emt 0:02:02]} 11. O-O {[%emt 0:00:36]} Bd6 {[%emt 0:02:19]} 12. Rab1 {[%emt 0:01:51]} a5 {[%emt 0:01:18] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. a3 {[%emt 0:02:04]} g5 {[%emt 0:07:23] [#]} 14. Bg3 $146 {[%emt 0:00:26]} ({Predecessor:} 14. Nxg5 hxg5 15. Bxg5 Bxh2+ 16. Kh1 Kg7 17. g3 Rh8 18. Kg2 Nf8 19. Bf5 Rh5 20. f4 {½-½ Wagener,C (1952)-Batagel,L (1850) Luxembourg-chT 9900 1999 (2)}) 14... Bxg3 {[%emt 0:00:08] White is slightly better.} 15. hxg3 {[%emt 0:00:09]} Ng4 {[%emt 0:04:44]} 16. Nh2 {[%emt 0:08:58]} Nxh2 {[%emt 0:06:25]} 17. Kxh2 {[%emt 0:00:07]} Nf6 {[%emt 0:00:13]} 18. Rh1 {[%emt 0:00:17]} Ng4+ {[%emt 0:05:06]} 19. Kg1 {[%emt 0:00:09]} Qf6 {[%emt 0:00:09]} (19... Kg7 $11) 20. Re1 $14 {[%emt 0:03:28]} Kg7 {[%emt 0:01:53]} 21. Qd2 {[%emt 0:02:27]} Qd6 {[%emt 0:02:32]} 22. Bc2 {[%emt 0:06:14]} (22. f3 $16) 22... f5 {[%emt 0:03:51]} (22... b6 $11 {and Black stays safe.}) 23. f3 $18 {[%emt 0:08:45]} Nf6 {[%emt 0:01:52] [#]} 24. g4 {[%emt 0:00:21][%mdl 512]} b5 {[%emt 0:04:37][%cal Bb7b5,Bb5b4][%mdl 32]} 25. gxf5 {[%emt 0:01:33]} b4 {[%emt 0:00:11]} 26. Na4 {[%emt 0:10:07] Nc5 is the strong threat.} bxa3 {[%emt 0:02:27]} 27. e4 $4 {[%emt 0:00:38][%mdl 8192]} (27. bxa3 $18 {and all is fine. aiming for Nc5.} Qxa3 28. g4) 27... Qb4 {[%emt 0:07:26][%mdl 8192] Dodges Nc5} (27... dxe4 $1 $19 28. Bxe4 (28. fxe4 $2 {loses.} Bxf5 29. e5 Rxe5 $19) 28... Bxf5 29. Bxf5 Rxe1+ 30. Qxe1 Re8) 28. Qxb4 {[%emt 0:00:50]} axb4 {[%emt 0:00:02]} 29. e5 {[%emt 0:00:10]} Ng8 {[%emt 0:00:34][%cal Oc8f5] And now ...Bxf5! would win.} 30. bxa3 $2 {[%emt 0:00:21] [#]} ({Better is} 30. g4 $18) 30... Bxf5 $1 $11 {[%emt 0:00:35][%mdl 64] Deflection} 31. Bxf5 {[%emt 0:00:17]} Rxa4 {[%emt 0:00:07]} 32. axb4 {[%emt 0:04:42]} Ne7 {[%emt 0:05:23]} 33. Be6 {[%emt 0:02:06]} (33. Bd7 $5 {[%cal Rd7e8]} Rd8 34. Be6 $11) 33... Rxb4 {[%emt 0:00:16]} 34. Rd1 {[%emt 0:00:13]} Ra8 {[%emt 0:05:14]} 35. f4 {[%emt 0:01:49][%mdl 64] Deflection} gxf4 {[%emt 0:00:13] Hoping for ...Raa4.} 36. Rh4 {[%emt 0:00:09] Threatens to win with Rg4+.} Ng6 {[%emt 0:00:39]} 37. Rg4 {[%emt 0:00:07] [#]} (37. Rh5 $11) 37... h5 {[%emt 0:00:14]} ({Black should try} 37... Rf8 $1 $17 {Black wants to play ...h5.} 38. Rd2 h5) 38. Rg5 {[%emt 0:00:16] Bf5 would be deadly.} Kh6 {[%emt 0:00:21]} 39. Rf5 {[%emt 0:00:06]} Rf8 {[%emt 0:00:25]} 40. Rxf8 {[%emt 0:00:50]} (40. Bf7 $11 Rb2 41. Kh1 (41. Bxg6 Rg8 $11)) 40... Nxf8 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRN} 41. Bf7 {[%emt 0:00:15] [#]} (41. Rc1 $142) 41... Rb7 {[%emt 0:01:54]} (41... Ng6 $1 $17 {With the idea ...Ne7.} 42. Be8 Ne7) 42. Be8 {[%emt 0:00:37] The position is equal.} Rc7 {[%emt 0:00:46] Strongly threatening ...Ne6.} 43. Rc1 {[%emt 0:00:26]} Ne6 {[%emt 0:00:46]} 44. Rxc6 {[%emt 0:00:19]} Rxc6 {[%emt 0:00:09]} 45. Bxc6 {[%emt 0:00:06]} Nxd4 {[%emt 0:00:08]} 46. Bxd5 {[%emt 0:00:06] KB-KN} Kg5 {[%emt 0:00:17]} 47. Be4 {[%emt 0:00:24]} h4 {[%emt 0:00:46]} 48. Kf2 {[%emt 0:00:13]} Kg4 {[%emt 0:01:53]} 49. Bd3 {[%emt 0:00:42]} Nc6 {[%emt 0:00:45]} 50. e6 {[%emt 0:00:03]} Ne7 {[%emt 0:00:08] Weighted Error Value: White=0.50/Black=0.42} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.8"]
[White "Bjelobrk, Igor"]
[Black "Anderson, Brendan"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2405"]
[BlackElo "1926"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,80,37,30,37,27,40,0,23,33,40,7,4,8,43,23,31,25,36,30,28,25,31,0,60,48,55,50,42,53,54,48,66,48,72,80,79,70,81,80,117,124,104,104,248,254,379,362,383,327,372,329,500,500,664,664,634,352,611,595,714,540,535,527,589,568,887,850,29994,29995,29998,29999,29999]} 1. Nf3 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 2. g3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:17]} 3. Bg2 {[%emt 0:00:06]} g6 {[%emt 0:00:17]} 4. c4 {[%emt 0:00:26]} dxc4 {[%emt 0:01:24]} 5. Qa4+ {[%emt 0:00:16]} c6 {[%emt 0:00:30]} 6. Qxc4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:52] A09: Réti Opening: 1 Nf3 d5 2 c4.} 7. O-O {[%emt 0:00:26]} O-O {[%emt 0:02:08]} 8. d3 {[%emt 0:00:15]} Nbd7 {[%emt 0:02:00] The position is equal.} 9. Qc2 {[%emt 0:00:24] [#]} a5 $146 {[%emt 0:00:30]} ({Predecessor:} 9... Nb6 10. Nc3 Re8 11. b3 e5 12. Bb2 Bg4 13. h3 Bd7 14. Rfd1 Rc8 15. Nd2 Be6 {½-½ Malakhov,V (2706)-Fedoseev,V (2674) Vladimir Petrov Memorial blitz op 2015 (10)}) 10. Bd2 {[%emt 0:08:21]} Nd5 {[%emt 0:04:34]} 11. Nc3 {[%emt 0:02:48][%cal Bb1c3,Bc3a4,Ba4c3][%mdl 32]} N7f6 {[%emt 0:02:22]} 12. a3 {[%emt 0:03:22]} Bg4 {[%emt 0:07:29]} 13. Ne5 {[%emt 0:03:35]} Be6 {[%emt 0:00:46]} 14. Na4 {[%emt 0:01:07]} Nd7 {[%emt 0:05:55]} 15. Nf3 {[%emt 0:01:04]} b5 {[%emt 0:06:53]} 16. Nc3 {[%emt 0:00:25]} N7f6 {[%emt 0:05:25]} (16... a4 $11) 17. Ng5 {[%emt 0:10:50]} Bg4 {[%emt 0:01:28]} 18. h3 {[%emt 0:03:54]} Bd7 {[%emt 0:00:18]} 19. Nce4 {[%emt 0:04:13]} h6 {[%emt 0:07:05]} 20. Nxf6+ {[%emt 0:00:26]} Nxf6 {[%emt 0:00:14]} 21. Nf3 {[%emt 0:00:06] White is more active.} Nd5 {[%emt 0:05:55]} 22. e4 {[%emt 0:03:04]} Nb6 {[%emt 0:03:37]} 23. Bc3 {[%emt 0:16:35]} Bxc3 {[%emt 0:02:04]} 24. Qxc3 {[%emt 0:00:05]} Qc8 {[%emt 0:00:11]} 25. h4 {[%emt 0:03:32]} c5 {[%emt 0:00:55]} 26. Rfc1 {[%emt 0:03:45][%cal Oc3d2]} c4 {[%emt 0:02:21] [#] Black cannot hold the game after this.} (26... Qc7 $16) 27. dxc4 $1 $18 {[%emt 0:00:22]} Nxc4 {[%emt 0:01:47]} (27... Qc5 {keeps fighting.} 28. cxb5 Qxc3 29. bxc3 Rfc8) 28. b3 {[%emt 0:00:24]} Nd6 {[%emt 0:00:17]} 29. Qe3 {[%emt 0:00:20]} Qa6 {[%emt 0:03:32]} 30. Ne5 {[%emt 0:07:08] Inhibits h5.} ({Don't play} 30. Qxh6 Nxe4 31. Re1 Qf6 $18) 30... Be6 {[%emt 0:00:33]} (30... Ra7 {is a better defense.} 31. Qxh6 Ne8) 31. Qxh6 {[%emt 0:01:34]} Bxb3 {[%emt 0:01:02] [#]} 32. Nxg6 $1 {[%emt 0:03:44][%mdl 576] Demolition} fxg6 {[%emt 0:00:34]} 33. Qxg6+ {[%emt 0:00:07]} Kh8 {[%emt 0:00:06]} 34. Rc5 {[%emt 0:01:08][%cal Rc5h5]} Nf5 {[%emt 0:00:53]} 35. exf5 {[%emt 0:00:37] Threatening mate with f6.} Qxg6 {[%emt 0:03:55]} 36. fxg6 {[%emt 0:00:06]} Rab8 {[%emt 0:00:06]} 37. Re1 {[%emt 0:01:13]} Kg7 {[%emt 0:00:58]} 38. Rxe7+ {[%emt 0:00:46]} Kxg6 {[%emt 0:00:11]} 39. Rc6+ {[%emt 0:00:50] White mates.} Kh5 {[%emt 0:00:55]} 40. Re5+ {[%emt 0:00:28]} Kg4 {[%emt 0:00:19]} 41. Rg5# {[%emt 0:00:11] Weighted Error Value: White=0.16 (very precise) /Black=0.57} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.8"]
[White "Tang, Hao"]
[Black "Jager, Jesse"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1913"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,69,0,-5,0,-14,-3,-16,0,0,0,-4,0,-9,0,-9,0,-9,0,0,0,0,17,-11,0,-16,-9,-9,0,-16,-16,-25,-3,-62,-63,-70,-38,-41,-41,-44,66,54,97,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:01:39]} 2. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:24]} 3. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:09]} 4. Nc3 {[%emt 0:00:05]} e6 {[%emt 0:00:07]} 5. cxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:09]} 6. Bg5 {[%emt 0:00:07]} Be7 {[%emt 0:00:50]} 7. e3 {[%emt 0:00:09]} Bf5 {[%emt 0:00:12]} 8. Bd3 {[%emt 0:00:37]} Bxd3 {[%emt 0:00:10]} 9. Qxd3 {[%emt 0:00:05]} Nbd7 {[%emt 0:00:26]} 10. O-O {[%emt 0:00:19]} O-O {[%emt 0:00:10]} 11. Rfc1 {[%emt 0:00:15]} Re8 {[%emt 0:01:30] D35: Queen's Gambit Declined: Exchange Variation.} 12. a3 {[%emt 0:00:45]} a5 {[%emt 0:00:41]} 13. Na4 {[%emt 0:03:05]} Ne4 {[%emt 0:01:06]} 14. Bxe7 {[%emt 0:00:45]} Qxe7 {[%emt 0:00:07]} 15. Nd2 {[%emt 0:00:50] [#]} Ndf6 $146 {[%emt 0:04:52][%cal Bd7f6,Bf6h5,Bh5g7,Bg7f5][%mdl 32]} ({Predecessor:} 15... Nd6 16. Nc5 a4 17. b3 Nxc5 18. dxc5 Nb5 19. b4 Qf6 20. Nf3 Re4 21. Ra2 Rae8 {0-1 Garcia Galeote,L (2082)-Korneev,O (2587) La Roda op 36th 2009 (1)}) 16. Nc5 {[%emt 0:02:07]} Nd6 {[%emt 0:09:46]} 17. Rab1 {[%emt 0:01:25]} g6 {[%emt 0:03:36]} 18. h3 {[%emt 0:01:49]} Nh5 {[%emt 0:00:45]} 19. Qb3 {[%emt 0:07:11]} Ng7 {[%emt 0:04:28]} 20. Qd1 {[%emt 0:01:38]} Ngf5 {[%emt 0:01:45]} 21. Qf3 {[%emt 0:01:46]} h5 {[%emt 0:01:36]} 22. Nd3 {[%emt 0:01:00]} Ne4 {[%emt 0:01:23]} 23. Qe2 {[%emt 0:02:21]} Ned6 {[%emt 0:01:39]} 24. Nf3 {[%emt 0:01:09]} Kg7 {[%emt 0:01:15]} 25. Nde5 {[%emt 0:00:40]} Rh8 {[%emt 0:03:15]} 26. b4 {[%emt 0:08:20]} (26. Re1 $11) 26... axb4 $15 {[%emt 0:02:23]} 27. axb4 {[%emt 0:02:58]} f6 {[%emt 0:00:41]} (27... Nb5 $5 {[%cal Rf7f6]}) 28. Nd3 {[%emt 0:00:09]} g5 {[%emt 0:00:38]} 29. Qc2 $1 {[%emt 0:01:09]} Kf7 {[%emt 0:02:31] [#]} ({Better is} 29... Ra3 $15) 30. b5 $1 $14 {[%emt 0:00:54]} g4 {[%emt 0:01:50] [#]} ({Less strong is} 30... Nxb5 31. Nde5+ fxe5 32. Qxf5+ Kg7 33. Nxg5 $16 (33. Nxe5 Rh6 $16)) (30... cxb5 31. Qb3) 31. Nfe1 {[%emt 0:06:15]} ({White should play} 31. bxc6 $1 $16 {[%cal Ob1b7] Rxb7! is the strong threat.} bxc6 32. Nd2) 31... Nxb5 $11 {[%emt 0:18:37] Strongly threatening ...Na3. The position is equal.} 32. Ne5+ {[%emt 0:07:50][%mdl 64] Discovered Attack} fxe5 {[%emt 0:00:32]} 33. Qxf5+ {[%emt 0:00:00]} Qf6 {[%emt 0:02:36]} 34. Qd7+ {[%emt 0:02:25]} Qe7 $1 {[%emt 0:00:16]} 35. Qf5+ {[%emt 0:00:09] Weighted Error Value: White=0.14 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.9"]
[White "Stojic, Svetozar"]
[Black "Winkelman, Albert"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1974"]
[BlackElo "2272"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,104,-3,-9,-12,-10,-21,-21,-24,-14,-11,-19,-25,-12,-45,-35,-54,65,-19,38,20,18,21,9,0,152,161,144,156,134,142,207,22,116,56,216,201,198,52,66,62,57,61,57,70,70,70,169,-258,-89,-98,-93,-74,-73,-71,-72,-63,-86,-93,-79,-231,-244,-273,-261,-241,-252,-248,-250,-250,-241,-269,-269,-293,-287,-270,-106,-379,-436,-443,-426,-418,-423,-408,-416,-417,-269,-353,-269,-2828,-1755,-5417,-5417,-5417,-5409,-5404,-5404,-12841,-6739]} 1. Nf3 {[%emt 0:02:10]} Nf6 {[%emt 0:00:15]} 2. g3 {[%emt 0:00:31]} b5 {[%emt 0:00:09]} 3. a4 {[%emt 0:04:42]} b4 {[%emt 0:00:10]} 4. Bg2 {[%emt 0:03:01]} Bb7 {[%emt 0:00:12]} 5. d4 {[%emt 0:07:00] [#]} c5 $1 {[%emt 0:01:57]} 6. c4 {[%emt 0:01:28] A05: Réti Opening: 1 Nf3 Nf6.} (6. c3 cxd4) 6... cxd4 {[%emt 0:01:54]} 7. O-O {[%emt 0:00:38] [#]} Qc7 $146 {[%emt 0:06:12]} ({Predecessor:} 7... g6 8. Nbd2 Bg7 9. Nb3 O-O 10. Nfxd4 Bxg2 11. Kxg2 Qc7 12. c5 Na6 13. f3 Nxc5 {0-1 Kozlov,O (2296)-Fedorchuk,S (2671) Corsica Masters op 14th 2010 (1)}) 8. Qxd4 {[%emt 0:05:07] The position is equal.} Nc6 {[%emt 0:00:11]} 9. Qh4 {[%emt 0:00:53]} Na5 {[%emt 0:03:09]} 10. Nbd2 {[%emt 0:01:44]} b3 {[%emt 0:00:22]} 11. Nd4 {[%emt 0:07:13]} Bxg2 {[%emt 0:00:15]} 12. Kxg2 {[%emt 0:00:06]} Rb8 {[%emt 0:00:24]} (12... e5 $15 13. Nf5 h6) 13. Nb5 {[%emt 0:09:09]} ({Better is} 13. N2f3 $1 $14) 13... Qc6+ {[%emt 0:04:16]} (13... Qb7+ $11 14. Nf3 a6) 14. Nf3 $1 $14 {[%emt 0:02:44]} a6 {[%emt 0:01:05][%cal Oa5c4]} 15. Bf4 {[%emt 0:06:25]} d6 {[%emt 0:00:36][%cal Oa5c4]} 16. Rfc1 {[%emt 0:03:58][%cal Oc4c5] aiming for c5!} axb5 $2 {[%emt 0:04:44]} (16... Qd7 $11) 17. axb5 $16 {[%emt 0:02:53]} Qb6 {[%emt 0:01:30]} 18. Be3 $36 {[%emt 0:08:25][%mdl 3072] White has strong compensation. White has strong initiative.} Qd8 {[%emt 0:00:22]} 19. Ba7 {[%emt 0:00:19]} Rb7 {[%emt 0:00:59]} (19... g5 $16 20. Qxg5 Ra8) 20. b6 $2 {[%emt 0:00:47]} (20. c5 $1 $18) 20... Nc6 {[%emt 0:00:11]} (20... g5 $1 $11 21. Qxg5 Nc6) 21. c5 $1 {[%emt 0:00:25] Threatens to win with cxd6.} d5 {[%emt 0:02:48]} ({Black should play} 21... Qd7 $14) 22. Qa4 {[%emt 0:02:06][%csl LRb3,LRc6]} Qd7 {[%emt 0:00:20] [#]} 23. Ne5 $1 {[%emt 0:04:37][%mdl 512]} Nxe5 $14 {[%emt 0:00:14]} 24. c6 {[%emt 0:00:25]} Nxc6 {[%emt 0:00:19]} 25. Rxc6 {[%emt 0:00:36][%cal Rc6c8]} e5 $1 {[%emt 0:01:44]} (25... Kd8 $2 26. Rac1 e5 27. Rc8+ Ke7 28. R1c7 Rxc7 29. Rxc7 $18) 26. Rc8+ {[%emt 0:05:40]} Ke7 {[%emt 0:00:07][%cal Be8e7,Be7d6,Bd6d7,Bd7e6][%mdl 32]} 27. Qb4+ {[%emt 0:03:16]} Qd6 {[%emt 0:02:24]} (27... Ke6 $1 $14 28. Rxf8 Rxf8 29. Qxf8 Ne8) 28. Qxd6+ $2 {[%emt 0:01:08]} (28. Qxb3 $18 {Rac1 would be deadly.} g6 29. Rac1) 28... Kxd6 $17 {[%emt 0:00:24]} 29. Rac1 {[%emt 0:00:06] [#] And now R8c7 would win.} Kd7 {[%emt 0:04:18]} 30. R1c7+ {[%emt 0:04:12]} Rxc7 {[%emt 0:00:08]} 31. Rxc7+ {[%emt 0:00:11]} Ke6 {[%emt 0:00:13]} 32. Rc8 {[%emt 0:00:14]} Rg8 {[%emt 0:00:05]} 33. b7 {[%emt 0:04:28]} Bd6 {[%emt 0:00:14]} 34. g4 $2 {[%emt 0:01:47] [#]} Kd7 $1 $19 {[%emt 0:00:49]} 35. Rxg8 {[%emt 0:01:27]} Nxg8 {[%emt 0:00:08]} 36. b8=Q {[%emt 0:00:21]} Bxb8 {[%emt 0:00:08]} 37. Bxb8 {[%emt 0:00:03][%mdl 4096] Endgame KB-KN} Ke6 {[%emt 0:00:10]} 38. f4 {[%emt 0:02:36]} f6 {[%emt 0:00:49]} 39. Kf3 {[%emt 0:01:03]} Ne7 {[%emt 0:00:14]} 40. Ke3 {[%emt 0:00:25]} Nc6 {[%emt 0:01:45]} 41. Bc7 {[%emt 0:00:35]} e4 $2 {[%emt 0:10:22]} (41... exf4+ $19 {and Black stays clearly on top.} 42. Kxf4 g5+ 43. Kg3 d4) 42. Kd2 $2 {[%emt 0:00:45][%mdl 8192]} (42. f5+ $17 Kd7 43. Bf4) 42... d4 {[%emt 0:00:20]} 43. e3 {[%emt 0:00:37]} dxe3+ {[%emt 0:00:34]} 44. Kxe3 {[%emt 0:00:06]} Kd5 {[%emt 0:00:07] Strongly threatening ...g6.} 45. Kd2 {[%emt 0:00:41]} Nd4 {[%emt 0:02:05]} 46. h3 {[%emt 0:01:01]} g6 {[%emt 0:01:51] ...Ne6 is the strong threat.} 47. Bb6 {[%emt 0:01:03]} Nb5 {[%emt 0:00:11]} 48. Ke3 $2 {[%emt 0:00:20] [#]} (48. Ba5) 48... Na3 $1 {[%emt 0:02:02][%mdl 576] Promotion. Black is clearly winning.} 49. Bd8 {[%emt 0:00:09]} (49. Ke2 Nc4) 49... Nc4+ {[%emt 0:00:08]} 50. Ke2 {[%emt 0:00:26]} Nxb2 {[%emt 0:00:06] ( -> ...Nc4)} 51. Bxf6 {[%emt 0:00:14]} Nc4 {[%emt 0:00:09]} 52. Kd1 {[%emt 0:00:40]} e3 {[%emt 0:01:12] Quite a comeback for Black. Artfully played by Winkelman.   Weighted Error Value: White=0.74/Black=0.35} 0-1

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.9"]
[White "Wang, Ruicheng"]
[Black "Litchfield, Frederick"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1891"]
[BlackElo "2119"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,120,13,10,29,15,14,24,33,25,40,25,31,29,61,58,98,104,100,19,84,39,45,40,38,23,45,47,58,56,58,10,94,106,110,5,144,138,137,118,113,114,106,123,108,104,104,104,112,102,176,171,166,50,44,30,30,30,30,30,30,30,30,39,85,16,16,16,16,16,16,16,16,16,154,154,154,154,146,146,325,325,2837,575,2837,2323,29960,6154,4610,0,0,0,0,0,0,0,0,0,0,0,29985,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:49]} 2. Nc3 {[%emt 0:00:07]} Nc6 {[%emt 0:02:19]} 3. Bb5 {[%emt 0:00:06]} Nd4 {[%emt 0:00:40]} 4. Nf3 {[%emt 0:00:05]} Nxb5 {[%emt 0:08:25]} 5. Nxb5 {[%emt 0:00:08]} d6 {[%emt 0:01:15]} 6. d4 {[%emt 0:00:05]} a6 {[%emt 0:02:19] B23: Closed Sicilian: Lines without g3.} 7. Nc3 {[%emt 0:00:05]} cxd4 {[%emt 0:01:17]} 8. Qxd4 {[%emt 0:00:04]} e5 {[%emt 0:02:24] White has an edge.} 9. Qb4 {[%emt 0:00:04]} Ne7 {[%emt 0:02:21]} ({Resist} 9... d5 10. Qb3 $16) 10. O-O {[%emt 0:00:05]} Nc6 {[%emt 0:01:08]} 11. Qb3 {[%emt 0:00:04] [#]} Be7 $146 {[%emt 0:01:34] Repels Ng5} ({Predecessor:} 11... Na5 12. Qd5 Be6 13. Qd2 Be7 14. b3 b5 15. Nd5 Bxd5 16. Qxd5 O-O 17. Bd2 Qb6 {1-0 Liang,J (2342)-Tsyganov,I (2221) Charlotte Spring Classic 2021 (5)}) 12. Nd5 {[%emt 0:08:32]} O-O {[%emt 0:02:22]} 13. Be3 $1 {[%emt 0:03:29]} b5 {[%emt 0:02:48]} 14. h3 {[%emt 0:15:54] White is much more active. The black rooks are badly placed.} ({White should try} 14. a4 $16 b4 15. c3 (15. Nxb4 Nxb4 16. Qxb4 Qc7 $11)) 14... Kh8 {[%emt 0:08:21]} (14... Na5 $11 15. Qd3 Nc4) 15. Rad1 {[%emt 0:06:49]} Be6 {[%emt 0:01:37]} 16. Qa3 {[%emt 0:06:41]} Bxd5 {[%emt 0:08:12]} 17. Rxd5 {[%emt 0:00:19]} f5 {[%emt 0:01:41]} 18. exf5 {[%emt 0:05:45]} Rxf5 {[%emt 0:00:17]} 19. Rfd1 {[%emt 0:00:44]} Qg8 {[%emt 0:08:16]} 20. Qd3 {[%emt 0:20:59]} (20. Qb3 $14 {is superior.}) 20... Raf8 {[%emt 0:01:05]} (20... Rxf3 $1 $11 {remains equal.} 21. gxf3 Nb4) 21. Qe4 $16 {[%emt 0:00:26]} Qe6 {[%emt 0:05:31] [#]} 22. Bg5 {[%emt 0:09:11]} Rd8 {[%emt 0:16:47]} (22... Bxg5 $2 23. Rxd6 Qe8 24. Rxc6 $16) (22... Rxg5 $2 23. Nxg5 Bxg5 24. Rxd6 $18) (22... Rxf3 $11 23. Bxe7 R3f4 24. Rxd6 Qxe7 25. Qxc6 Rxf2) 23. Bxe7 {[%emt 0:06:06]} Nxe7 {[%emt 0:01:16]} 24. Nd4 {[%emt 0:00:18][%mdl 64] Pin, Double Attack} Qxd5 {[%emt 0:00:46]} 25. Qxd5 {[%emt 0:00:06]} Nxd5 {[%emt 0:00:22]} 26. Nxf5 {[%emt 0:00:04]} g6 {[%emt 0:08:17]} 27. Rxd5 {[%emt 0:00:14]} gxf5 {[%emt 0:00:09][%mdl 4096] Endgame [#] KR-KR} 28. f4 $1 {[%emt 0:00:53][%mdl 512]} exf4 {[%emt 0:00:31][%cal Of4f3]} 29. Rxf5 {[%emt 0:00:06]} Rc8 {[%emt 0:04:18]} (29... Re8 $16) 30. c3 $18 {[%emt 0:00:51]} ({And not} 30. Rxf4 Rxc2 31. Rf2 Rc1+ 32. Kh2 Kg7 $11) 30... Rc4 {[%emt 0:00:49]} 31. Rf6 {[%emt 0:02:46]} (31. a3 $1 $18) 31... b4 $1 $14 {[%emt 0:00:48]} 32. cxb4 {[%emt 0:01:29]} Rxb4 {[%emt 0:00:09]} 33. Rxd6 {[%emt 0:00:18]} Rxb2 {[%emt 0:00:17]} 34. Rxa6 {[%emt 0:00:08] aiming for Ra7.} Kg7 {[%emt 0:00:31]} 35. a4 {[%emt 0:02:45]} Ra2 {[%emt 0:00:05]} 36. a5 {[%emt 0:00:06]} Kf7 {[%emt 0:04:21]} 37. Ra8 {[%emt 0:00:12]} (37. Kf1 $16) 37... Kg6 $11 {[%emt 0:00:37]} 38. a6 {[%emt 0:00:39]} Kh5 {[%emt 0:00:25]} 39. a7 {[%emt 0:00:33]} Kh4 {[%emt 0:00:31]} 40. Kf1 {[%emt 0:01:22]} (40. Kh2 {simplifies} Ra3 41. Rf8 Rxa7 42. Rxf4+ Kg5 43. Rg4+) 40... Kh5 {[%emt 0:00:47]} 41. Ke1 {[%emt 0:01:14]} (41. Rf8 {simplifies} Rxa7 42. Rxf4 Ra3 43. Rf5+) 41... Kh4 {[%emt 0:00:36]} (41... Ra4 $11 {keeps the balance.}) 42. Kd1 $1 $16 {[%emt 0:01:37]} Kh5 {[%emt 0:02:39][%cal Oh5h6] [#]} 43. Kc1 $1 {[%emt 0:00:32]} Kh4 {[%emt 0:00:04]} 44. Kb1 {[%emt 0:01:00]} Ra6 {[%emt 0:01:36]} (44... Ra4 $16 {was called for.} 45. Kb2 Ra5) 45. Kb2 $18 {[%emt 0:00:15]} f3 $2 {[%emt 0:00:40]} (45... Kh5 46. Kb3 Kh4) 46. gxf3 {[%emt 0:00:42]} Kxh3 {[%emt 0:00:10]} 47. f4 {[%emt 0:05:07]} h5 {[%emt 0:00:29]} 48. f5 {[%emt 0:00:18][%cal Of5f6]} h4 {[%emt 0:00:22] [#]} 49. f6 $2 {[%emt 0:00:19]} Rxf6 $11 {[%emt 0:00:05]} 50. Rb8 {[%emt 0:00:24]} Ra6 {[%emt 0:00:25]} 51. a8=Q {[%emt 0:00:06]} Rxa8 {[%emt 0:00:07]} 52. Rxa8 {[%emt 0:00:03] KR-KP} Kg2 {[%emt 0:00:15]} 53. Rg8+ {[%emt 0:03:08]} Kf3 {[%emt 0:00:09]} 54. Rh8 {[%emt 0:00:39]} Kf4 $2 {[%emt 0:00:10][%mdl 8192]} (54... Kg3 $11) 55. Rg8 $2 {[%emt 0:00:01]} (55. Rxh4+ {mates} Kg5 56. Re4 Kf5 57. Re1 Kg4 58. Rf1 Kh4 59. Rg1 Kh3 60. Kc3) 55... Kf3 {[%emt 0:00:11] The position is equal.} 56. Rh8 {[%emt 0:00:02]} Kg3 57. Kc2 {White threatens Kd1 and mate.} h3 58. Kd2 {[%emt 0:00:05] White wants to mate with Ke2.} h2 {[%emt 0:00:02]} 59. Ke2 {Kf1 would kill now.} Kg2 60. Rg8+ Kh1 {[%emt 0:00:30] Weighted Error Value: White=0.31/Black=0.44} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.10"]
[White "Croad, Nicolas"]
[Black "Lee, Lachlan"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2218"]
[BlackElo "1910"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,64,17,8,22,-19,0,0,0,-19,-30,-33,-20,-40,11,11,11,15,8,15,72,70,85,77,82,80,80,80,77,67,73,8,8,8,8,8,8,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:45]} d5 {[%emt 0:00:10]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:06]} 4. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:00:09]} 5. Bg5 {[%emt 0:00:09]} c6 {[%emt 0:00:07]} 6. e3 {[%emt 0:00:08]} Be7 {[%emt 0:00:07]} 7. Bd3 {[%emt 0:00:08]} O-O {[%emt 0:00:27]} 8. Qc2 {[%emt 0:00:12]} Nbd7 {[%emt 0:00:07]} 9. Nge2 {[%emt 0:00:22]} Re8 {[%emt 0:00:33]} 10. O-O {[%emt 0:00:28]} Nf8 {[%emt 0:01:56]} 11. Rab1 {[%emt 0:02:07]} a5 {[%emt 0:01:53]} 12. a3 {[%emt 0:00:26]} g6 {[%emt 0:00:41] D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. b4 {[%emt 0:02:25]} axb4 {[%emt 0:01:05]} (13... Ne6 $5 {[%cal Re6g5]} 14. Bh4 b5 $11) 14. axb4 {[%emt 0:00:05]} b5 {[%emt 0:01:42]} 15. Bxf6 {[%emt 0:09:34]} Bxf6 {[%emt 0:00:12] [#]} 16. e4 $146 {[%emt 0:00:11]} ({Predecessor:} 16. Nc1 Nd7 17. Nb3 Nb6 18. Na5 Bd7 19. Ne2 Nc4 20. Bxc4 bxc4 21. Qc3 Qe7 22. Ng3 {0-1 Da Paz,L (2033)-Hrabinska,M (2235) Titled Tuesday intern op 23rd Feb blitz 2021 (6)}) 16... dxe4 {[%emt 0:06:26]} 17. Nxe4 {[%emt 0:00:17]} Bxd4 {[%emt 0:06:49]} (17... Bd7 $15) 18. Nxd4 $11 {[%emt 0:02:05]} (18. Qxc6 Bd7 19. Qd5 Bg7 $15) 18... Qxd4 {[%emt 0:00:23]} 19. Qxc6 {[%emt 0:01:13]} Be6 $1 {[%emt 0:23:47]} 20. Rfd1 {[%emt 0:01:11]} (20. Bxb5 $2 Rec8 21. Rfd1 Qe5 $19) (20. Qxb5 Reb8 21. Qg5 Qxd3 $17) 20... Rec8 {[%emt 0:00:52]} (20... Rac8 $11 21. Qa6 (21. Qxb5 Bg4 $11) (21. Bxb5 Qe5 $15) 21... Red8) 21. Qd6 $1 $16 {[%emt 0:01:08]} ({Don't go for} 21. Bxb5 $2 Qe5 22. Qd6 (22. Qb7 $2 Rab8 $19 {[%mdl 64] Skewer, Deflection}) 22... Qxe4 $19) 21... Rd8 {[%emt 0:01:23] [#]} 22. Qxd4 {[%emt 0:04:45]} Rxd4 {[%emt 0:00:09]} 23. Bxb5 {[%emt 0:00:26]} Rxd1+ {[%emt 0:07:16]} (23... Rxe4 $2 24. Bc6 $18) 24. Rxd1 {[%emt 0:00:06]} Bb3 {[%emt 0:00:38]} 25. Re1 {[%emt 0:03:37] White is more active.} Rb8 {[%emt 0:01:16] [#]} 26. Nc3 {[%emt 0:10:56]} (26. Re3 $1 $16) 26... Ne6 $11 {[%emt 0:00:55] The position is equal.} 27. f3 {[%emt 0:09:29]} Kg7 {[%emt 0:10:01]} 28. Rb1 {[%emt 0:06:20]} Nd4 {[%emt 0:01:29]} 29. Bd3 {[%emt 0:01:06]} Rxb4 {[%emt 0:03:34]} 30. Ne2 {[%emt 0:00:25] aiming for Nxd4.} Nc6 {[%emt 0:00:42]} 31. Be4 {[%emt 0:04:57]} Be6 {[%emt 0:00:41]} 32. Rxb4 {[%emt 0:00:19]} Nxb4 {[%emt 0:00:08] Weighted Error Value: White=0.10 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.10"]
[White "Zhang, Kendrick Botong"]
[Black "Urban, Sylvester"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1889"]
[BlackElo "2117"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,64,16,14,14,16,16,24,16,22,25,8,24,0,0,0,0,-8,5,0,0,0,5,0,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:38]} c5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:15]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:09]} 6. f3 {[%emt 0:00:41]} e5 {[%emt 0:00:40]} 7. Nb3 {[%emt 0:00:08]} Be6 {[%emt 0:00:18]} 8. Be3 {[%emt 0:00:21]} d5 {[%emt 0:00:58] B56: Classical Sicilian: Unusual Lines.} 9. exd5 {[%emt 0:13:34]} Nxd5 {[%emt 0:00:10]} 10. Nxd5 {[%emt 0:00:10]} Qxd5 {[%emt 0:00:04] White has an edge.} 11. Qxd5 {[%emt 0:03:12]} Bxd5 {[%emt 0:00:03]} 12. O-O-O {[%emt 0:01:49]} O-O-O $1 {[%emt 0:00:02]} 13. c4 {[%emt 0:05:51]} Be6 {[%emt 0:00:06] The position is equal.} 14. Rxd8+ {[%emt 0:00:24]} Kxd8 {[%emt 0:00:15]} 15. Nc5 {[%emt 0:07:32]} Bc8 {[%emt 0:00:22]} 16. Be2 {[%emt 0:09:03]} Kc7 {[%emt 0:03:32]} 17. Rd1 {[%emt 0:09:05]} Be7 {[%emt 0:09:04]} 18. Ne4 {[%emt 0:07:11]} Rd8 {[%emt 0:03:05]} 19. Nc3 {[%emt 0:04:08]} Rxd1+ {[%emt 0:00:53] [#]} 20. Bxd1 $146 {[%emt 0:01:04]} ({Predecessor:} 20. Kxd1 Bf8 21. a3 Be6 22. Kd2 b6 23. f4 {½-½ Csolto,T (2198)-Vyparina,M (2198) SVK-chT2C 10/11 2010 (3.6)}) 20... Be6 {[%emt 0:22:21]} 21. b3 {[%emt 0:03:47]} a6 {[%emt 0:06:20]} 22. Bc2 {[%emt 0:03:05]} g6 {[%emt 0:02:01]} 23. Be4 {[%emt 0:02:15]} Ba3+ {[%emt 0:05:02]} 24. Kd1 {[%emt 0:05:36]} f5 {[%emt 0:03:46]} 25. Bd5 {[%emt 0:00:59]} Bxd5 {[%emt 0:01:06]} 26. Nxd5+ $11 {[%emt 0:00:11][%mdl 4096] Endgame KBN-KBN} Kd6 {[%emt 0:00:25]} 27. Kd2 {[%emt 0:00:49]} Nb4 {[%emt 0:09:19]} 28. Nxb4 {[%emt 0:00:38]} Bxb4+ {[%emt 0:00:03]} 29. Kd3 {[%emt 0:00:13]} h5 {[%emt 0:03:31]} 30. Bc1 {[%emt 0:01:58]} Ke6 {[%emt 0:02:52]} 31. Bb2 {[%emt 0:01:45]} g5 {[%emt 0:00:55]} 32. h3 {[%emt 0:00:25]} Bc5 {[%emt 0:02:17] Not much happened in this game.   Weighted Error Value: White=0.03 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.11"]
[White "Cannon, David"]
[Black "Park-Tamati, Philli"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2112"]
[BlackElo "1868"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,87,46,33,11,27,26,31,21,25,31,31,21,43,43,39,39,41,40,62,75,75,63,72,58,59,38,44,58,44,0,116,59,118,66,159,147,157,158,159,147,128,120,236,243,287,128,543,459,1416,1410,1260,856,890,883,867,867,867,839,860,841,826,777,29982,29983,29983,29984,29982,29984,29989,29985,29992,29986]} 1. d4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:14]} 3. g3 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:04]} 4. Bd2 {[%emt 0:00:00]} a5 {[%emt 0:00:06]} 5. Bg2 {[%emt 0:00:16]} d6 {[%emt 0:00:34]} 6. Nf3 {[%emt 0:03:06]} Nbd7 {[%emt 0:00:09]} 7. O-O {[%emt 0:01:01]} e5 {[%emt 0:00:10]} 8. Nc3 {[%emt 0:06:00]} exd4 {[%emt 0:02:13]} 9. Nxd4 {[%emt 0:00:21]} O-O {[%emt 0:00:18]} 10. Nd5 {[%emt 0:02:52] E11: Bogo-Indian.} Bxd2 {[%emt 0:01:42]} (10... Bc5 $5 11. Nb3 Nxd5 12. Nxc5 (12. Bxd5 Bb6 $11) 12... Nxc5 13. cxd5 f5 $11) 11. Qxd2 {[%emt 0:00:12]} Nc5 {[%emt 0:11:21] [#]} 12. Rfd1 $146 {[%emt 0:04:43] White is slightly better.} ({Predecessor:} 12. Qg5 Nxd5 13. Qxd8 Rxd8 14. cxd5 Bd7 15. b3 b5 16. Rfc1 b4 17. a4 bxa3 18. Rxa3 {½-½ Tan,Z (2466)-Navara,D (2710) Reykjavik op 2013 (5)}) 12... Re8 {[%emt 0:03:25]} 13. Qc2 {[%emt 0:03:38]} Bd7 {[%emt 0:07:44]} 14. b3 {[%emt 0:01:09]} Re5 {[%emt 0:04:36]} 15. a3 {[%emt 0:05:17]} h6 {[%emt 0:01:36]} 16. Nc3 {[%emt 0:05:34]} Qe8 {[%emt 0:10:04]} 17. Re1 {[%emt 0:08:21]} Nce4 {[%emt 0:04:46]} 18. f4 {[%emt 0:07:13]} Re7 {[%emt 0:02:32] [#]} 19. Bxe4 {[%emt 0:04:47][%mdl 64] Deflection} Nxe4 {[%emt 0:10:43]} 20. Nd5 $36 {[%emt 0:00:16][%csl LRc7,LRe7][%cal Od5c7][%mdl 2048] Black is under pressure.} c5 {[%emt 0:01:14]} 21. Nf3 {[%emt 0:07:21] Excellent horsemanship.} Bc6 $1 {[%emt 0:00:46] Threatens to win with ...Bxd5.} 22. Nxe7+ {[%emt 0:00:24]} Qxe7 {[%emt 0:00:08]} 23. b4 {[%emt 0:03:59]} b6 {[%emt 0:02:08]} (23... axb4 $11 24. axb4 Rxa1 25. Rxa1 cxb4) 24. Qb3 {[%emt 0:06:30]} (24. bxc5 $16 Nxc5 25. Qc3) 24... g5 {[%emt 0:06:40]} ({Black should try} 24... Re8 $14) 25. Qe3 {[%emt 0:06:44]} ({Better is} 25. fxg5 $16 hxg5 26. Rab1) 25... Qf6 {[%emt 0:04:49]} (25... gxf4 $1 $14 26. Qxf4 axb4) 26. bxc5 {[%emt 0:01:58]} bxc5 {[%emt 0:00:20] [#]} 27. fxg5 $1 {[%emt 0:07:42]} hxg5 {[%emt 0:00:15] ...g4 is the strong threat.} 28. Rf1 {[%emt 0:02:27]} Re8 {[%emt 0:01:05][%cal Oe4g3]} 29. Nh4 {[%emt 0:01:48]} Qh6 {[%emt 0:18:48]} (29... Qc3 $16 30. Qxc3 Nxc3) 30. Nf5 $18 {[%emt 0:01:52]} Qh5 {[%emt 0:00:24]} 31. Qf3 {[%emt 0:03:37]} (31. Rab1 $18) 31... Qh8 $2 {[%emt 0:02:49][%mdl 8192] A mistake that costs the game.} (31... g4 $16 32. Qxg4+ {[%mdl 64] Decoy} Qxg4 33. Nh6+ {[%mdl 64] Discovered Attack, Double Attack} Kg7 34. Nxg4 Nd2) 32. Rad1 {[%emt 0:01:41][%cal Of5d4] Hoping for Nd4!} Ba8 {[%emt 0:01:12] [#]} (32... Qh3 $142 33. g4 (33. Nxd6 Nxd6 34. Qxc6 Rxe2 $16) (33. Ne3 Nxg3 34. Qxg3 Qxg3+ {[%mdl 64] Remove Defender} 35. hxg3 Rxe3 $18) 33... Qxf3 34. exf3 Nc3 35. Rxd6 Ba4) 33. Nh6+ $1 {[%emt 0:01:13][%mdl 576] Discovered Attack, Double Attack} Kg7 {[%emt 0:01:08]} 34. Qxf7+ {[%emt 0:01:06]} Kxh6 {[%emt 0:00:01] [#]} 35. Rxd6+ $3 {[%emt 0:00:11][%mdl 576] Decoy} Nxd6 {[%emt 0:00:16]} 36. Rf6+ {[%emt 0:00:06]} Qxf6 {[%emt 0:00:07]} 37. Qxf6+ {[%emt 0:00:05]} Kh5 {[%emt 0:00:25]} 38. Qxd6 {[%emt 0:00:17] aiming for g4+.} Rxe2 {[%emt 0:00:16]} 39. Qxc5 {[%emt 0:01:18] KQ-KRB} Bg2 {[%emt 0:01:27]} 40. h4 {[%emt 0:00:29][%csl Gh4][%cal Rc5g5,Bh2h4,Bh4h5][%mdl 32] White mates.} Kg4 {[%emt 0:00:13]} 41. Qxg5+ {[%emt 0:01:26]} Kh3 {[%emt 0:00:01]} 42. h5 {[%emt 0:01:10][%csl Gg3][%cal Rg5h4]} Re4 {[%emt 0:03:19]} 43. Qf5+ {[%emt 0:00:09]} Rg4 {[%emt 0:00:23] [#]} 44. Qxg4+ $3 {[%emt 0:00:18][%mdl 512] A superb game by Cannon.   Weighted Error Value: White=0.22 (precise) /Black=0.66} 1-0

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.11"]
[White "Dai, Cheng"]
[Black "Jordan, William"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "1972"]
[BlackElo "2181"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 22,86,0,0,8,2,0,0,0,0,0,0,8,0,0,0,23,6,7,6,43,32,88,8,38,42,41,6,6,6,85,12,103,21,19,5,5,0,0,0,0,-47,-17,-40,-40,-48,-40,-40,-40,-104,-104,-104,-104,-104,-104,-258,-236,-280,-278,-268,-247,-243,-175,-184,-78,-322,-317]} 1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:07]} 2. c4 {[%emt 0:00:09]} g6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:06]} Bg7 {[%emt 0:00:15]} 4. g3 {[%emt 0:00:07]} O-O {[%emt 0:00:36]} 5. Bg2 {[%emt 0:00:14]} c6 {[%emt 0:07:19]} 6. Nc3 {[%emt 0:01:51]} d5 {[%emt 0:00:38]} 7. cxd5 {[%emt 0:01:36]} cxd5 {[%emt 0:00:16]} 8. O-O {[%emt 0:01:17]} Ne4 {[%emt 0:00:43]} 9. Qb3 {[%emt 0:01:48]} Nxc3 {[%emt 0:00:31]} 10. bxc3 {[%emt 0:00:29]} Nc6 {[%emt 0:00:29]} 11. Nd2 {[%emt 0:02:37]} e6 {[%emt 0:04:13]} 12. e4 $1 {[%emt 0:04:49] 12.e4 scores better than 12.Ba3.} Na5 {[%emt 0:02:49] D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} 13. Qc2 {[%emt 0:01:19]} Qc7 {[%emt 0:05:52]} 14. Qd3 {[%emt 0:07:29]} Rd8 {[%emt 0:07:39] [#] The position is equal.} 15. e5 $146 {[%emt 0:03:12]} ({Predecessor:} 15. Re1 h6 16. e5 Bd7 17. Ba3 Rac8 18. Bb4 Nc4 19. Nf1 Bb5 20. a4 Ba6 21. Qb1 {0-1 Bolado Saez,S (2366)-Fernandez Barrera,V (2204) Albacete op 15th 2007 (8)}) 15... Bd7 {[%emt 0:00:31]} 16. Ba3 {[%emt 0:03:58]} Ba4 {[%emt 0:03:37]} 17. Rfc1 {[%emt 0:03:39]} Rac8 {[%emt 0:01:30]} 18. Rab1 {[%emt 0:06:15]} h5 {[%emt 0:05:15]} 19. Bd6 {[%emt 0:13:43]} Qd7 {[%emt 0:00:41]} 20. Bf1 {[%emt 0:08:26]} a6 {[%emt 0:03:40]} 21. Qe3 {[%emt 0:05:23]} Kh7 {[%emt 0:03:39]} ({Better is} 21... Bb5 $14) 22. Nb3 {[%emt 0:03:54]} (22. c4 $16) 22... Nxb3 {[%emt 0:14:28]} (22... Nc4 $2 23. Bxc4 Rxc4 24. Nc5 Rxc5 25. Bxc5 $18) 23. axb3 {[%emt 0:00:06]} Bc6 {[%emt 0:00:07] Black is weak on the dark squares} 24. Ra1 {[%emt 0:04:44]} Bh6 {[%emt 0:00:55]} 25. f4 {[%emt 0:00:20]} Rg8 {[%emt 0:00:15]} (25... Bf8 $11) 26. Bd3 {[%emt 0:01:11]} ({White should try} 26. c4 $16) 26... Qd8 {[%emt 0:05:14]} (26... Bf8 $11 {keeps the balance.}) 27. h4 {[%emt 0:03:00] White is more active.} (27. c4 $1 $16) 27... Bf8 $11 {[%emt 0:06:58]} 28. Bxf8 {[%emt 0:00:23]} Rxf8 {[%emt 0:00:10]} 29. b4 {[%emt 0:01:40]} Kg7 {[%emt 0:01:37]} 30. Rc2 {[%emt 0:02:12]} Qd7 {[%emt 0:01:53]} 31. Rf1 {[%emt 0:06:22]} (31. Rca2 $11) 31... Rh8 {[%emt 0:08:16]} (31... Ba4 $5 {[%cal Ra4c2]} 32. Rcc1 Rc6 $15) 32. Rcf2 {[%emt 0:05:55][%cal Of4f5] aiming for f5!} Bb5 {[%emt 0:00:37]} 33. Bxb5 {[%emt 0:02:43]} axb5 {[%emt 0:06:57][%cal Ba6b5,Bb5a4,Ba4a3][%mdl 32]} 34. Ra1 {[%emt 0:01:09]} Ra8 {[%emt 0:00:15]} 35. Rfa2 {[%emt 0:00:32] [#]} (35. Rxa8 $15 Rxa8 36. Qc1) 35... Ra4 $1 $17 {[%emt 0:00:12]} 36. Qd3 {[%emt 0:02:34]} Rha8 {[%emt 0:00:36]} 37. Rxa4 {[%emt 0:00:10]} bxa4 {[%emt 0:00:35][%mdl 4096] Endgame KQR-KQR} 38. b5 $2 {[%emt 0:00:50]} (38. Ra3 $17) 38... a3 $19 {[%emt 0:00:46]} 39. Qb1 {[%emt 0:00:59]} Qc7 {[%emt 0:01:37]} 40. Qb3 {[%emt 0:01:31]} Qa5 {[%emt 0:00:07]} 41. Ra2 {[%emt 0:00:18]} Kf8 {[%emt 0:02:01]} 42. Kf2 {[%emt 0:00:06] [#]} Ke8 {[%emt 0:01:01]} (42... Qa4 $1 $19 {[%cal Ra4b3] has better winning chances.} 43. Qxa4 Rxa4) 43. Ke3 $2 {[%emt 0:00:16]} (43. c4 $17 {was the only chance.}) 43... Kd7 {[%emt 0:00:30][%mdl 32768] Weighted Error Value: White=0.37/Black=0.23 (precise) . An unexpected result.} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.25"]
[Round "5.12"]
[White "McGowan, Cameron"]
[Black "Zafirakos, Jesse"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2175"]
[BlackElo "1902"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,110,20,17,24,24,12,5,28,10,22,22,22,14,22,0,35,20,33,19,25,22,35,39,35,34,43,45,53,41,49,53,67,66,63,71,96,69,58,68,84,81,94,36,39,53,89,86,103,95,136,75,89,70,86,51,84,57,89,85,183,103,106,103,105,103,130,130,130,114,130,130,130,130,130,130,130,130,130,0,130,130,130,130,130,130,227,0,130,130,247,130,222,0,228,130,147,130,130,0,135]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:19]} 3. Bc4 {[%emt 0:00:04]} Bc5 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:06]} Nf6 {[%emt 0:00:02]} 5. d3 {[%emt 0:00:03]} O-O {[%emt 0:00:34]} 6. c3 {[%emt 0:00:14]} d6 {[%emt 0:00:16]} 7. Re1 {[%emt 0:00:38]} (7. b4 $5 Bb6 $8 8. Nbd2 $11) 7... a6 {[%emt 0:00:47] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. a4 {[%emt 0:00:04]} h6 {[%emt 0:00:42]} 9. Nbd2 {[%emt 0:02:09]} Ba7 {[%emt 0:01:29]} 10. h3 {[%emt 0:04:03]} Be6 {[%emt 0:01:06]} 11. Bxe6 {[%emt 0:00:20]} fxe6 {[%emt 0:00:02]} 12. b4 {[%emt 0:00:08]} Nh5 {[%emt 0:02:14]} 13. Nc4 {[%emt 0:04:51]} Ne7 {[%emt 0:12:25]} (13... Bxf2+ $5 14. Kxf2 Qh4+ 15. Kf1 Rxf3+ 16. gxf3 (16. Qxf3 Rf8 $15) 16... Qxh3+ 17. Kg1 Qg3+ 18. Kh1 Qh3+ 19. Kg1 Qg3+ 20. Kh1 Qh3+ 21. Kg1 $11) 14. Ra2 {[%emt 0:10:46][%cal Of3g5] [#]} Nf4 $146 {[%emt 0:01:32]} ({Predecessor:} 14... Qe8 15. Be3 Bxe3 16. fxe3 Nf6 17. a5 Nc6 18. Rf1 d5 19. Ncd2 Qd7 20. Qb1 b6 21. axb6 cxb6 22. Qb3 dxe4 23. dxe4 Rfe8 24. Qc4 b5 25. Qe2 Qb7 26. Rfa1 {½-½ Kotzev,M (2372)-Jotov,H (2258) BUL-chT21 email 2019 [3]}) 15. Kh2 {[%emt 0:09:27]} Qe8 {[%emt 0:05:53]} 16. g3 {[%emt 0:07:20]} Nfg6 {[%emt 0:02:39]} 17. Be3 {[%emt 0:01:59]} (17. Kg2 {feels hotter.} b5 18. Ncd2 Bb6 19. a5) 17... Bxe3 {[%emt 0:01:12]} 18. Rxe3 {[%emt 0:03:49]} Qd7 {[%emt 0:05:20]} 19. Kg2 {[%emt 0:04:56]} Rae8 {[%emt 0:02:13]} 20. Qb3 {[%emt 0:03:33]} Kh7 {[%emt 0:02:00]} 21. b5 {[%emt 0:01:50]} axb5 {[%emt 0:01:59]} 22. axb5 {[%emt 0:03:00]} b6 {[%emt 0:01:55]} 23. Ra7 {[%emt 0:01:26] Hoping for Nxb6.} Rb8 {[%emt 0:02:04]} 24. Qa4 {[%emt 0:09:40]} Nc8 {[%emt 0:02:00]} 25. Ra6 {[%emt 0:01:00]} Qf7 {[%emt 0:01:20]} 26. Qc2 {[%emt 0:02:12]} Qd7 {[%emt 0:01:54]} 27. Na3 {[%emt 0:02:10]} (27. Qb1 $16) 27... Nce7 {[%emt 0:03:31]} 28. d4 {[%emt 0:07:49]} exd4 {[%emt 0:01:29]} 29. cxd4 {[%emt 0:00:03]} Rb7 {[%emt 0:03:04] Wards off Ra7} 30. Rc3 {[%emt 0:00:42]} e5 {[%emt 0:01:51]} 31. d5 {[%emt 0:00:49]} (31. dxe5 $142 dxe5 32. Rd3) 31... Ng8 {[%emt 0:03:06]} 32. Ra4 {[%emt 0:01:24]} Nf6 {[%emt 0:00:49]} 33. Ne1 {[%emt 0:00:06]} Kh8 {[%emt 0:02:13]} 34. Nd3 {[%emt 0:01:18]} Rc8 {[%emt 0:00:53]} 35. Nb4 {[%emt 0:00:35]} Ne8 {[%emt 0:00:22]} (35... Nf8 $16 {is a better defense.}) 36. Na6 {[%emt 0:00:36] Black is weak on the light squares} (36. Nc4 $18) 36... Kh7 {[%emt 0:04:12]} 37. Rac4 {[%emt 0:00:57]} Ra8 {[%emt 0:00:32]} 38. Qc1 {[%emt 0:03:12]} ({Much weaker is} 38. Nxc7 $6 Rxa3 39. Rxa3 Nxc7 $11) 38... Qf7 {[%emt 0:01:14]} 39. Nc2 {[%emt 0:01:18][%cal Ba3c2,Bc2e3,Be3f5][%mdl 32]} ({Much worse is} 39. Nxc7 $6 Rxa3 40. Rxa3 Nxc7 $11) 39... Qd7 {[%emt 0:00:58]} 40. Qb1 {[%emt 0:00:07]} Kh8 {[%emt 0:01:38]} 41. Ne3 {[%emt 0:00:09]} Kh7 {[%emt 0:00:14]} 42. Kh2 {[%emt 0:01:40]} Raa7 {[%emt 0:01:00]} 43. Nf5 {[%emt 0:00:54]} Nf6 {[%emt 0:01:08]} 44. Rc1 {[%emt 0:02:59]} Ne8 {[%emt 0:01:15]} 45. R1c3 {[%emt 0:00:32]} (45. Kg2 $16) 45... Ra8 {[%emt 0:00:37]} (45... Nf6 $11) 46. Rc6 {[%emt 0:00:38]} Raa7 {[%emt 0:01:34]} 47. Qc2 {[%emt 0:01:01]} Qf7 {[%emt 0:03:04]} 48. Qc1 {[%emt 0:02:22] White is much more active.} Nf6 {[%emt 0:04:44]} (48... Qd7 $16 49. Qd1 Qd8) 49. Qc2 {[%emt 0:01:28]} (49. Nxc7 $2 {is the wrong capture.} Nxe4 50. Rf3 Rxc7 $19) (49. Rxc7 $18 Rxc7 50. Rxc7 Rxc7 51. Qxc7 Qxc7 52. Nxc7) 49... Ne8 $1 $16 {[%emt 0:01:31]} 50. Kg2 {[%emt 0:00:01]} Kh8 {[%emt 0:01:15] [#]} (50... Qd7 $16 {was worth a try.} 51. h4 Kh8) 51. Qc1 {[%emt 0:02:33]} ({Only move:} 51. Nxc7 $1 $18 Rxc7 52. Nxd6 Nxd6 53. Rxc7 Rxc7 54. Rxc7) 51... Nf6 {[%emt 0:02:06]} (51... Qd7 $16 52. f3 Kh7) 52. Qc2 {[%emt 0:01:57]} Ne8 {[%emt 0:01:57] [#]} 53. Rf3 {[%emt 0:01:03]} (53. Nxc7 $1 $18 Rxc7 54. Nxd6 Nxd6 55. Rxc7 Rxc7 56. Rxc7) 53... Nf6 {[%emt 0:00:59]} 54. Qc4 {[%emt 0:01:22]} Kh7 {[%emt 0:00:50]} 55. Qc2 {[%emt 0:01:00]} Kh8 $1 {[%emt 0:00:15] Weighted Error Value: White=0.29 (precise) /Black=0.21 (precise)} 1/2-1/2

[Event "Oceania Zonal Open 2023"]
[Site "Melbourne"]
[Date "2023.01.26"]
[Round "5.12"]
[White "Brown, Joshua"]
[Black "Clarke, Matthew"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1865"]
[BlackElo "2104"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2023.01.09"]
[EventType "swiss"]
[EventCountry "AUS"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 20,81,20,8,18,21,14,0,18,-21,-24,-46,-47,-50,-52,-55,-45,-62,-18,-41,-16,-65,-56,-72,-52,-69,-67,-105,0,-66,-73,-245,-231,-182,-68,-93,-101,-169,-182,-177,-140,-210,-210,-201,-197,-251,-237,-244,-247,-375,-353,-489,-478,-446,-237,-370,-200,-917,-903,-1086,-1103,-1158,-1088,-29999]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:11]} cxd4 {[%emt 0:00:10]} 4. Nxd4 {[%emt 0:00:15]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:14]} a6 {[%emt 0:00:08]} 6. Be3 {[%emt 0:00:20]} e5 {[%emt 0:00:18]} 7. Nb3 {[%emt 0:00:09]} Be6 {[%emt 0:00:12]} 8. f3 {[%emt 0:00:23]} h5 {[%emt 0:00:33]} 9. Qd2 {[%emt 0:00:27]} Nbd7 {[%emt 0:00:24][%cal Bb8d7,Bd7b6,Bb6d5,Bd5e3][%mdl 32]} 10. O-O-O {[%emt 0:00:43]} Be7 {[%emt 0:01:14]} 11. Kb1 {[%emt 0:01:35]} b5 {[%emt 0:02:30] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 12. Nd5 {[%emt 0:00:59]} Bxd5 {[%emt 0:02:39]} 13. exd5 {[%emt 0:00:08]} Nb6 {[%emt 0:00:21] The position is equal.} 14. Na5 {[%emt 0:07:52]} (14. Bxb6 $5 Qxb6 15. Bd3 $11) 14... Nbxd5 {[%emt 0:04:56]} 15. Nc6 {[%emt 0:00:51]} Qc7 {[%emt 0:02:16]} 16. Nxe7 $1 {[%emt 0:01:02]} Nxe3 {[%emt 0:01:05]} (16... Kxe7 17. Bg5 Nb6 18. Bd3 $11) 17. Qxe3 {[%emt 0:11:47] [#]} Kxe7 $146 {[%emt 0:02:35]} ({Predecessor:} 17... Qxe7 18. Bd3 O-O 19. Qg5 g6 20. f4 Rae8 21. h3 Nd7 22. Qh6 Qf6 23. f5 e4 {1-0 Elmi,S (2110)-Falkevall,A (2256) Nordic-ch U17 2022 (3)}) 18. Bd3 {[%emt 0:06:24]} Rhe8 {[%emt 0:04:44]} 19. Qg5 {[%emt 0:03:20]} Kf8 {[%emt 0:02:34]} (19... Qc5 {with more complications.} 20. Be4 Rad8 21. h3 Rh8) 20. h3 {[%emt 0:16:50]} (20. Bf5 $11) 20... d5 $15 {[%emt 0:04:25]} 21. Bf5 {[%emt 0:06:31]} Qd6 {[%emt 0:10:15]} 22. g4 {[%emt 0:02:44]} g6 $36 {[%emt 0:02:01][%mdl 2048] Black has some pressure.} 23. Bd3 {[%emt 0:06:17] [#]} Rac8 {[%emt 0:05:31]} (23... Kg7 $1 $17 24. c3 Rac8) 24. Rhg1 {[%emt 0:04:13]} (24. Qh6+ $1 $11 Ke7 25. Qg5) 24... hxg4 {[%emt 0:02:27]} 25. fxg4 {[%emt 0:12:53]} (25. Qh6+ $17 {is a better defense.} Ke7 26. hxg4) 25... e4 $19 {[%emt 0:03:07]} 26. Be2 {[%emt 0:00:34]} Qe5 {[%emt 0:04:41]} ({And not} 26... Qc6 27. c3 $17) ({Better is} 26... e3 $19 {Strongly threatening ...Kg7.} 27. h4 Kg7) 27. Qe3 {[%emt 0:01:29]} Red8 {[%emt 0:06:36][%cal Be8d8,Bd8d6,Bd6c6][%mdl 32] Hoping for ...d4.} 28. Rd4 {[%emt 0:03:05]} (28. Rgf1 $17) 28... Ne8 {[%emt 0:05:57][%cal Bf6e8,Be8c7,Bc7e6,Be6f4][%mdl 32]} ({Worse is} 28... Qc7 29. c3 $15) 29. h4 {[%emt 0:03:28]} Nc7 {[%emt 0:05:06]} 30. h5 {[%emt 0:00:45]} (30. Rf1 $17) 30... Ne6 {[%emt 0:00:41]} 31. Rdd1 {[%emt 0:02:20]} g5 {[%emt 0:02:18]} 32. Qa3+ {[%emt 0:02:30]} (32. Rge1 {was worth a try.}) 32... Rd6 {[%emt 0:04:04]} 33. Rge1 {[%emt 0:01:34]} Kg8 {[%emt 0:02:33]} 34. Rf1 {[%emt 0:02:55]} (34. c3 {might work better.}) 34... Nf4 {[%emt 0:00:54]} 35. Rfe1 {[%emt 0:00:43]} Rdc6 {[%emt 0:04:20]} 36. c3 {[%emt 0:00:31]} Qc7 {[%emt 0:03:54]} (36... e3 $142 37. Qb3 d4) 37. Qb4 {[%emt 0:00:47]} (37. Qb3 $142) 37... Qa7 {[%emt 0:00:52]} (37... Nxe2 $142 38. Rxe2 Rc4) 38. Rd4 {[%emt 0:01:24] Prevents Rc4} (38. Qd4 Qe7 39. Rd2) 38... Nxe2 {[%emt 0:03:15]} 39. Rxe2 {[%emt 0:00:10]} a5 {[%emt 0:00:30]} ({Don't blunder} 39... Rc4 $2 40. Rxc4 dxc4 41. Qd6 Qg1+ 42. Kc2 Qxg4 43. Qd2 $19) 40. Qxb5 {[%emt 0:01:16] [#]} Qxd4 $3 {[%emt 0:00:16][%mdl 576] Back Rank} 41. cxd4 {[%emt 0:00:31]} (41. Re1 Rb6) 41... Rc1# {[%emt 0:00:08] Artfully played by Clarke.   Weighted Error Value: White=0.79/Black=0.24 (precise)} 0-1

