[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.1"]
[White "Pressler, Tobias"]
[Black "Broz, Petr"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "2096"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,168,-14,0,3,4,4,7,8,4,-1,6,-21,-16,-16,-10,-22,35,40,245,239,243,262,250,245,239,246,218,184,208,113,103,120,105,107,214,191,407,410,468,455,743,739,705,53,39,45,55,37,52,51,43,33,58,8,102,69,110,64,51,14,8,-8,17,25,20,0,0,0,0,0,0,0,0,0,0,-24,127,-67,-67,-66,-64,-364,-157,-541,-473,-450,-71,-71,-71,-71,-71,-214,-93,-95,-71,-71,-66,-66,-63,-70,-70,-70,-68,-71,-66,-72,-72,-72,-64,-64,-64,-64,-64,-64,-58,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,-72,0,-72,-72,-72,-72,-72,-72,-72,-72,-72,0,-72,-72,-72,-70,-72,-72,-72,-68,-72,-71,-29997,-29998,-29998,-29999]} 1. f4 {[%emt 0:00:13]} g6 {[%emt 0:01:10]} 2. Nf3 {[%emt 0:00:58]} Bg7 {[%emt 0:00:59]} 3. g3 {[%emt 0:01:00]} b6 {[%emt 0:01:50]} 4. Bg2 {[%emt 0:01:18]} Bb7 {[%emt 0:00:19]} 5. O-O {[%emt 0:00:34]} e6 {[%emt 0:01:23]} 6. d3 {[%emt 0:01:24] A02: Bird's Opening.} Ne7 {[%emt 0:02:42]} 7. e4 {[%emt 0:02:02]} O-O {[%emt 0:01:37]} 8. c3 {[%emt 0:01:17] The position is equal.} c5 {[%emt 0:02:06]} 9. Nbd2 {[%emt 0:01:39]} d6 {[%emt 0:02:42] [#]} 10. Qe1 $146 {[%emt 0:06:04]} ({Predecessor:} 10. Qe2 Nd7 11. Nh4 Qc7 12. Ndf3 Rae8 13. Bd2 f5 14. Ng5 Nc8 15. Rae1 Re7 16. exf5 exf5 {½-½ Gavrikov,V (2555)-Murey,J (2500) Zuerich op-A 16th 1992}) 10... Qc7 {[%emt 0:05:52]} 11. Nc4 {[%emt 0:07:35]} b5 {[%emt 0:09:38]} 12. Ne3 {[%emt 0:00:17]} Re8 {[%emt 0:03:46]} (12... a5 $11) 13. g4 $14 {[%emt 0:01:49]} f5 $2 {[%emt 0:01:34]} (13... Nd7 $14) 14. Ng5 $18 {[%emt 0:00:24]} Qc8 {[%emt 0:07:54]} 15. Qh4 {[%emt 0:03:29]} h6 {[%emt 0:00:19] [#]} 16. Nxe6 {[%emt 0:00:30][%mdl 576] Remove Defender} Qxe6 {[%emt 0:07:17]} 17. exf5 {[%emt 0:00:07]} Qd7 {[%emt 0:00:09]} 18. f6 {[%emt 0:06:27]} Bxg2 {[%emt 0:00:52]} 19. Nxg2 {[%emt 0:00:41]} (19. Kxg2 $18 Qc6+ 20. Kg1 Bxf6 21. Qxf6) 19... Bxf6 $16 {[%emt 0:00:35][%mdl 64] Deflection} 20. Qxf6 {[%emt 0:00:07]} Qxg4 {[%emt 0:00:23]} 21. Qxd6 {[%emt 0:01:48] f5 is the strong threat.} Nbc6 {[%emt 0:01:47]} (21... Nd7 $16) 22. f5 $18 {[%emt 0:00:41]} (22. Qxc5 $6 Qf5 23. Qxf5 Nxf5) 22... gxf5 $2 {[%emt 0:07:00]} (22... Nd8) 23. Qe6+ {[%emt 0:00:07]} (23. Qxh6 Ne5 24. Be3 Nf7 $18) (23. Bxh6 Kf7 $18) (23. Qxc5 Rad8 24. Qxb5 (24. Bxh6 Rxd3 25. Rae1 Rd5 $16) 24... Nd5 $16) 23... Kg7 {[%emt 0:01:50]} 24. Qxh6+ {[%emt 0:00:44]} (24. Bxh6+ Kh7 $18) 24... Kf7 {[%emt 0:00:14]} (24... Kg8 $142 25. Bg5 Nd8) 25. Bg5 {[%emt 0:00:16]} Rg8 {[%emt 0:01:34] Repels Rae1} 26. h4 $2 {[%emt 0:00:12]} (26. Qf6+ $18 Ke8 27. Rae1 Qxg5 28. Qxc6+ Kf7 29. Rxe7+ {[%mdl 64] Clearance} (29. Qxb5 $2 Qxg2#) 29... Kxe7 30. Re1+ (30. Qxc5+ Kf6 $14) 30... Kf8 31. Qxa8+ Kg7 32. Qd5) 26... Rg6 $14 {[%emt 0:00:49] [#]} 27. Rf4 $1 {[%emt 0:02:20]} Rxh6 {[%emt 0:01:44]} 28. Rxg4 {[%emt 0:00:04]} fxg4 {[%emt 0:00:06]} 29. Bxh6 {[%emt 0:00:05] And now Rf1+ would win.} Ne5 $1 {[%emt 0:00:30][%cal Oe7f5]} 30. Ne3 {[%emt 0:02:11] Dodges Nf5} Nxd3 {[%emt 0:06:48]} 31. Nxg4 {[%emt 0:00:54]} (31. Bg5 $14) 31... Rg8 {[%emt 0:00:07]} (31... Nf5 $11 {keeps the balance.}) 32. Bg5 $16 {[%emt 0:00:03]} Ke6 {[%emt 0:01:50]} 33. Rd1 {[%emt 0:01:13]} ({White should try} 33. a4 $16) 33... c4 $14 {[%emt 0:00:41]} 34. Rf1 {[%emt 0:00:22]} Nd5 {[%emt 0:03:00] Against Rf6+} 35. b3 {[%emt 0:02:37]} N5f4 {[%emt 0:03:39]} 36. Kh2 {[%emt 0:01:24] Inhibits Nh3.} Nd5 {[%emt 0:02:03]} 37. Kh3 {[%emt 0:01:08]} Nxc3 {[%emt 0:01:16]} 38. Rf6+ {[%emt 0:00:04]} Kd5 {[%emt 0:00:16]} 39. Ra6 {[%emt 0:00:29]} Ne4 {[%emt 0:00:29]} 40. bxc4+ {[%emt 0:02:55]} bxc4 {[%emt 0:00:23]} 41. Be3 {[%emt 0:02:42]} (41. Rxa7 {simplifies} Nxg5+ 42. hxg5 Rxg5 43. Ra5+) 41... c3 {[%emt 0:01:15][%cal Od3f2] aiming for ...Ndf2+!} 42. Ra5+ {[%emt 0:00:21]} Ndc5 $2 {[%emt 0:04:22] [#]} (42... Kc6 $11 43. Ra4 Re8) 43. Nf6+ $2 {[%emt 0:01:58]} Nxf6 $15 {[%emt 0:00:14]} 44. Rxc5+ {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRN} Ke4 {[%emt 0:00:07]} 45. Bf2 {[%emt 0:00:57][%mdl 8192]} (45. Rxc3 $15 Nd5 46. Ra3 Nxe3 47. Rxa7) 45... Nd5 {[%emt 0:00:20]} (45... Kd3 $19 {and Black stays clearly on top. Threatens to win with ...Ne4.} 46. Rc6 Nh5) 46. Be1 $2 {[%emt 0:00:05]} (46. Kh2 $17) 46... Nf4+ $19 {[%emt 0:00:52]} 47. Kh2 {[%emt 0:00:20]} Nd3 $2 {[%emt 0:00:11]} (47... Rg2+ $19 48. Kh1 c2) 48. Rc4+ $17 {[%emt 0:00:05]} Kd5 {[%emt 0:00:13] Black has more active pieces.} 49. Rxc3 {[%emt 0:00:43]} Nxe1 {[%emt 0:00:04] KRN-KR} 50. Rc7 {[%emt 0:00:12] [#]} (50. Re3 $17 {was necessary.}) 50... a6 {[%emt 0:00:08]} (50... a5 $1 $19 {is more deadly. ...Nf3+ would be deadly.} 51. Re7 Nf3+ 52. Kh3 Ne5) 51. Kh3 {[%emt 0:00:08]} Nd3 {[%emt 0:00:31] Strongly threatening ...Nf4+.} 52. h5 {[%emt 0:00:19]} Nf4+ {[%emt 0:08:54]} 53. Kh4 {[%emt 0:00:16]} Rg2 {[%emt 0:00:07][%cal Of4h5]} 54. a3 {[%emt 0:00:42]} Ne6 {[%emt 0:02:58]} 55. Ra7 {[%emt 0:00:18]} Ke4 {[%emt 0:01:09]} 56. Rxa6 {[%emt 0:00:38]} Kf5 {[%emt 0:02:43]} (56... Kf4 $5 57. Kh3 $8 Re2 58. Ra4+ Kf3 $15) 57. Ra5+ {[%emt 0:00:17]} Kf4 {[%emt 0:00:08][%cal Rg2h2]} 58. Kh3 {[%emt 0:00:26] Repels Rh2+} Rg1 {[%emt 0:01:29]} (58... Rc2 $5 59. Ra4+ $8 Kf3 $15) 59. Kh2 {[%emt 0:00:10]} Rg8 {[%emt 0:00:12]} 60. Ra6 {[%emt 0:00:10]} Nd4 {[%emt 0:01:01]} 61. Rf6+ {[%emt 0:00:23]} Nf5 {[%emt 0:00:37]} 62. Rg6 {[%emt 0:00:28]} Rh8 {[%emt 0:00:07]} 63. h6 {[%emt 0:00:19]} Nxh6 {[%emt 0:00:08]} ({Of course not} 63... Rxh6+ 64. Rxh6 Nxh6 65. Kh3 $11) 64. Kg2 {[%emt 0:00:05]} Ng4 {[%emt 0:00:21]} 65. Kf1 {[%emt 0:00:30]} Rh2 {[%emt 0:00:58]} 66. Ke1 {[%emt 0:00:24]} Ne5 {[%emt 0:00:15]} 67. Rb6 {[%emt 0:00:14]} Ke3 {[%emt 0:00:55][%cal Rh2h1]} 68. Rb3+ {[%emt 0:00:06]} Nd3+ {[%emt 0:00:19]} 69. Kf1 {[%emt 0:00:04]} Rd2 {[%emt 0:00:17]} 70. Rb6 {[%emt 0:00:25]} Rc2 {[%emt 0:01:04]} 71. a4 {[%emt 0:00:54]} Nf4 {[%emt 0:00:06][%cal Rc2c1]} 72. Rb3+ {[%emt 0:00:05]} Nd3 {[%emt 0:00:02]} ({Better is} 72... Ke4 $17) 73. a5 {[%emt 0:00:09]} (73. Rb6 $1 $11) 73... Ra2 {[%emt 0:00:08]} 74. Rb5 {[%emt 0:00:05]} Kf3 {[%emt 0:00:10]} 75. Kg1 {[%emt 0:00:16]} Rg2+ {[%emt 0:01:05]} 76. Kf1 {[%emt 0:00:07]} Rf2+ {[%emt 0:00:11]} 77. Kg1 {[%emt 0:00:04] Black must now prevent Rf5+.} Rg2+ 78. Kf1 {[%emt 0:00:08]} Rc2 {[%emt 0:00:14][%cal Rc2c1]} 79. Kg1 {[%emt 0:00:32]} Rc6 {[%emt 0:01:06]} 80. Rb6 {[%emt 0:00:06]} Rc1+ {[%emt 0:00:17]} 81. Kh2 {[%emt 0:00:04]} Rc5 {[%emt 0:00:03]} 82. a6 {[%emt 0:00:18]} Nf4 {[%emt 0:00:07] ( -> ...Rh5+)} 83. a7 $2 {[%emt 0:00:20][%mdl 8192]} (83. Rb3+ $17 Kf2 84. Rb2+ Ne2 85. Kh3) 83... Rh5+ {[%emt 0:00:05]} 84. Kg1 {[%emt 0:00:04]} Ne2+ {[%emt 0:00:02] What a fight! Excellently played by Broz!   Weighted Error Value: White=0.41/Black=0.46} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.2"]
[White "Sadil, Antonin"]
[Black "Juracak, David"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "1683"]
[BlackElo "1820"]
[Annotator "NA RC COMBH"]
[PlyCount "108"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:09]} e5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 3. Nxe5 {[%emt 0:00:21]} d6 {[%emt 0:00:05]} 4. Nf3 {[%emt 0:00:14]} Nxe4 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:16]} Nxc3 {[%emt 0:00:07]} 6. dxc3 {[%emt 0:00:10]} Be7 {[%emt 0:00:14]} 7. Be3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:25]} 8. Qd2 {[%emt 0:00:15]} Be6 {[%emt 0:00:17]} 9. O-O-O {[%emt 0:00:39]} Qd7 {[%emt 0:00:17]} 10. Kb1 {[%emt 0:00:51]} a6 {[%emt 0:00:49]} 11. Ng5 {[%emt 0:00:28]} Bxg5 {[%emt 0:00:15]} 12. Bxg5 {[%emt 0:00:14]} f6 {[%emt 0:00:01]} 13. Bf4 {[%emt 0:02:15]} O-O-O {[%emt 0:00:14]} 14. Bd3 {[%emt 0:01:32]} Ne5 {[%emt 0:03:36]} 15. Rhe1 {[%emt 0:02:21]} Nxd3 {[%emt 0:00:59]} 16. Qxd3 {[%emt 0:01:04]} Bxa2+ {[%emt 0:00:23]} 17. Kxa2 {[%emt 0:02:45]} Qa4+ {[%emt 0:00:13]} 18. Kb1 {[%emt 0:00:08]} Qxf4 {[%emt 0:00:05]} 19. Re7 {[%emt 0:02:48]} Rd7 {[%emt 0:01:14]} 20. Qe2 {[%emt 0:03:14]} Rxe7 {[%emt 0:04:10]} 21. Qxe7 {[%emt 0:00:11]} Qg4 {[%emt 0:00:05]} 22. Rd3 {[%emt 0:03:39]} Qd7 {[%emt 0:02:37]} 23. Re3 {[%emt 0:05:09]} c6 {[%emt 0:03:00]} 24. c4 {[%emt 0:05:17]} Rd8 {[%emt 0:00:40]} 25. Qe4 {[%emt 0:01:55]} h6 {[%emt 0:00:37]} 26. Qg6 {[%emt 0:03:49]} Rf8 {[%emt 0:03:03]} 27. Qg3 {[%emt 0:02:20]} f5 {[%emt 0:02:11]} 28. f4 {[%emt 0:08:02]} Rf7 {[%emt 0:04:31]} 29. Qe1 {[%emt 0:02:59]} Kd8 {[%emt 0:01:30]} 30. Rd3 {[%emt 0:10:50]} Re7 {[%emt 0:02:48]} 31. Qd2 {[%emt 0:00:10]} Kc7 {[%emt 0:00:40]} 32. Qa5+ {[%emt 0:01:38]} Kc8 {[%emt 0:00:19]} 33. Qd2 {[%emt 0:01:12]} Re6 {[%emt 0:00:33]} 34. c5 {[%emt 0:01:02]} d5 {[%emt 0:00:10]} 35. c4 {[%emt 0:00:55]} Qe7 {[%emt 0:01:49]} 36. cxd5 {[%emt 0:00:30]} cxd5 {[%emt 0:01:25]} 37. Rxd5 Re1+ {[%emt 0:07:07]} 38. Ka2 {[%emt 0:02:15]} Qe6 {[%emt 0:00:16]} 39. Ka3 {[%emt 0:02:58]} Ra1+ {[%emt 0:00:42]} 40. Kb4 {[%emt 0:04:01]} Kc7 {[%emt 0:05:40]} 41. Re5 {[%emt 0:01:53]} Qc6 {[%emt 0:02:44]} 42. Qd6+ {[%emt 0:00:51]} Qxd6 {[%emt 0:00:06]} 43. cxd6+ {[%emt 0:00:10]} Kxd6 {[%emt 0:00:03]} 44. Rxf5 {[%emt 0:00:14]} Rg1 {[%emt 0:00:29]} 45. g3 {[%emt 0:01:13]} Rg2 {[%emt 0:01:01]} 46. Ka3 {[%emt 0:01:26]} Rxh2 {[%emt 0:00:22]} 47. Rf7 {[%emt 0:00:13]} g5 {[%emt 0:00:09]} 48. fxg5 {[%emt 0:00:41]} hxg5 {[%emt 0:00:23]} 49. Rg7 {[%emt 0:00:29]} Rg2 {[%emt 0:00:33]} 50. Rxg5 {[%emt 0:00:10]} Ke6 {[%emt 0:01:42]} 51. Rg7 {[%emt 0:00:19]} Kd5 {[%emt 0:00:38]} 52. b3 {[%emt 0:01:15]} Kc5 {[%emt 0:01:03]} 53. Rxb7 {[%emt 0:00:38]} Rxg3 {[%emt 0:00:23]} 54. Rf7 {[%emt 0:01:15]} Rg4 {[%emt 0:00:13]} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.3"]
[White "Mrkvan, Frantisek"]
[Black "Hlavac, Rudolf"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1727"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,105,0,43,0,58,18,40,30,40,41,25,39,55,33,50,0,62,35,30,24,75,31,38,41,56,38,41,33,46,33,50,45,47,10,20,14,35,-31,16,-103,0,0,55,-52,14,-57,43,47,756,787,1059,0,65,-67,8,-82,-91,-91,-90,-108,-91,-234,-241,-244,-24,-166,-178,-554,-530,-492,-351,-559,-576,-693,-473,-461,-428,-680,-662,-1100,-703,-29983,-29983,-29983,-5369,-29993,-29994,-29994,-29995,-29995,-29987,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:37]} 2. Nc3 {[%emt 0:00:44]} Nc6 {[%emt 0:00:15]} 3. Bb5 {[%emt 0:00:37]} Na5 {[%emt 0:01:16]} 4. Be2 {[%emt 0:11:04]} Nc6 {[%emt 0:05:46]} 5. Bb5 {[%emt 0:01:08]} Na5 {[%emt 0:01:58]} 6. Be2 {[%emt 0:00:40] B23: Closed Sicilian: Lines without g3.} a6 {[%emt 0:00:08]} (6... Nc6 $11) 7. f4 {[%emt 0:03:17]} b5 {[%emt 0:00:38]} 8. Nf3 {[%emt 0:05:19] White is slightly better.} Bb7 {[%emt 0:00:39]} 9. d3 {[%emt 0:00:13]} e6 {[%emt 0:03:23]} 10. O-O Be7 {[%emt 0:03:00] [#]} 11. Qe1 $146 {[%emt 0:06:42]} ({Predecessor:} 11. Be3 Nf6 12. Qe1 O-O 13. Ng5 d5 14. e5 Nd7 15. Nd1 d4 16. Bd2 Nc6 17. Qg3 Bxg5 18. fxg5 Ncxe5 19. Nf2 {0-1 Mannikko,K-Varonen,M (2025) FIN WS/35 email 2013}) 11... Nc6 {[%emt 0:01:54]} 12. Kh1 {[%emt 0:05:59]} (12. Qg3 $14) 12... Nd4 {[%emt 0:05:05]} (12... d5 $11) 13. Nxd4 {[%emt 0:13:40]} cxd4 {[%emt 0:00:22]} 14. Nb1 {[%emt 0:00:03]} Qc7 {[%emt 0:03:33]} (14... Rc8 $11 {remains equal.}) 15. c3 {[%emt 0:01:04]} dxc3 {[%emt 0:00:37]} 16. Nxc3 {[%emt 0:00:22][%cal Bb1c3,Bc3d1,Bd1e3][%mdl 32]} b4 {[%emt 0:06:47]} 17. Nd1 {[%emt 0:03:47]} Nf6 {[%emt 0:07:11]} 18. b3 {[%emt 0:03:40]} O-O {[%emt 0:02:13]} 19. Bb2 {[%emt 0:00:19]} Rac8 {[%emt 0:02:36]} 20. Ne3 {[%emt 0:04:51]} a5 {[%emt 0:04:18]} 21. h3 {[%emt 0:04:24]} d6 {[%emt 0:04:52]} 22. Bf3 {[%emt 0:01:46]} Qb6 {[%emt 0:05:16]} 23. g4 {[%emt 0:05:08]} (23. f5 $14) 23... Rfd8 {[%emt 0:04:49]} (23... Nd7 $15) 24. Qd2 {[%emt 0:03:14]} (24. g5 $11 {keeps the balance.} Nd7 25. d4) 24... Ne8 {[%emt 0:04:51]} (24... d5 $17 {[%cal Rd5e4]} 25. exd5 Nxd5) 25. g5 $11 {[%emt 0:04:53]} Nc7 {[%emt 0:04:07]} ({Better is} 25... d5 $11 26. exd5 exd5) 26. h4 {[%emt 0:01:08]} (26. Qf2 $14) 26... Nb5 {[%emt 0:00:20]} ({Black should play} 26... d5 $15 27. e5 Nb5) 27. Rac1 {[%emt 0:02:33]} (27. f5 $11) 27... Qa6 {[%emt 0:07:27]} (27... Rxc1 $15 28. Rxc1 d5 29. exd5 Nc3) 28. f5 $14 {[%emt 0:02:12]} exf5 $2 {[%emt 0:01:38][%mdl 8192]} (28... Rxc1 $14 29. Rxc1 Nc3) 29. Nxf5 $18 {[%emt 0:00:12]} Bf8 {[%emt 0:00:08]} 30. Qe3 $2 {[%emt 0:02:23]} ({White should try} 30. Nh6+ $18 gxh6 31. gxh6) 30... d5 {[%emt 0:01:17]} (30... Nc3 $11) 31. e5 {[%emt 0:09:34]} (31. Rxc8 $14 Bxc8 32. Qf4) 31... Qe6 {[%emt 0:03:34]} (31... d4 $15 32. Qf4 Bxf3+ 33. Rxf3 (33. Qxf3 Rxc1 34. Bxc1 Qe6 $17) 33... Rxc1+ 34. Bxc1 Qe6) 32. Bg2 {[%emt 0:01:34] [#]} (32. Qf4 $11) 32... d4 $1 $17 {[%emt 0:01:57][%cal Bd5d4,Bd4c3][%mdl 32]} 33. Qf4 {[%emt 0:01:13]} Bxg2+ {[%emt 0:01:24]} 34. Kxg2 {[%emt 0:00:05]} Nc3 $36 {[%emt 0:01:13][%mdl 2048] White must now prevent ...Ne2. Black is on the roll.} 35. Bxc3 {[%emt 0:01:09]} (35. Rf2 $17) 35... dxc3 $19 {[%emt 0:01:51]} ({Inferior is} 35... bxc3 36. Kh2 $17) 36. d4 {[%emt 0:00:39]} Rc6 $2 {[%emt 0:02:31]} (36... a4 $19 37. h5 axb3 38. axb3 Qxb3) 37. Kh2 {[%emt 0:01:07] [#]} (37. Qe4 $11 {and White is okay.}) 37... a4 $1 {[%emt 0:00:29]} 38. bxa4 {[%emt 0:01:29]} (38. Ne3) 38... Qxa2+ {[%emt 0:00:15]} 39. Kg1 {[%emt 0:00:19]} Qd5 {[%emt 0:00:50]} (39... Qxa4 $2 {loses.} 40. e6 Rxe6 41. Nh6+ gxh6 42. Qxf7+ Kh8 43. Qxe6 $17) 40. Rce1 {[%emt 0:01:16]} (40. Ne3 {was the only chance.} Qe6 41. Qe4) 40... g6 {[%emt 0:03:27]} 41. Nd6 {[%emt 0:00:29]} Rcxd6 {[%emt 0:00:25]} 42. exd6 {[%emt 0:00:10]} Bxd6 {[%emt 0:00:36]} (42... Rxd6 $2 {too greedy.} 43. Rc1 $19) 43. Qf6 {[%emt 0:00:26]} (43. Qf3 $142 Qxd4+ 44. Kg2) 43... Bf8 {[%emt 0:00:35][%cal Bd6f8,Bf8g7,Bg7d4][%mdl 32] Hoping for ...c2.} 44. Rd1 {[%emt 0:00:45]} Bg7 {[%emt 0:00:40]} 45. Qa6 {[%emt 0:00:32]} Bxd4+ {[%emt 0:00:45]} 46. Kh2 {[%emt 0:00:08]} Qe5+ {[%emt 0:01:01] White is weak on the dark squares} (46... c2 $142 47. Rde1 Be5+ 48. Kg1 Qd4+ 49. Rf2 Bg3 {[%mdl 64] Pin} 50. Qf6 Bxf2+ 51. Qxf2 Qxf2+ 52. Kxf2 b3 53. Re4 c1=Q 54. h5 b2 55. hxg6 hxg6 56. Re1 Rd3 57. Ke2 Re3+ 58. Kf2 Qxe1+ 59. Kg2 Rg3+ 60. Kh2 Qg1#) 47. Kh1 {[%emt 0:00:24]} Qe4+ {[%emt 0:00:16] Black mates.} 48. Kh2 {[%emt 0:00:12]} Qxh4+ {[%emt 0:00:02]} 49. Kg2 {[%emt 0:00:22]} Qxg5+ {[%emt 0:00:16]} 50. Kh2 {[%emt 0:00:25]} Be5+ {[%emt 0:00:27]} 51. Kh1 {[%emt 0:00:06]} Qh4+ {[%emt 0:00:22]} 52. Kg2 {[%emt 0:00:18]} Qg3+ {[%emt 0:00:17]} 53. Kh1 {[%emt 0:00:02] Never resign too early! A fantastic game!   Weighted Error Value: White=1.09/Black=0.63} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.4"]
[White "Zednicek, Filip"]
[Black "Pavlis, Matej"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1885"]
[BlackElo "1868"]
[Annotator "NA RC COMBH"]
[PlyCount "25"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:08]} 2. c3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:08]} 3. e5 {[%emt 0:00:05]} Nd5 {[%emt 0:00:06]} 4. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:44]} 5. cxd4 {[%emt 0:00:12]} d6 {[%emt 0:00:37]} 6. Nf3 {[%emt 0:01:28]} Nc6 {[%emt 0:00:53]} 7. Be2 {[%emt 0:01:22]} g6 {[%emt 0:02:50]} 8. Nc3 {[%emt 0:03:35]} Nxc3 {[%emt 0:06:30]} 9. bxc3 {[%emt 0:00:25]} Bg7 {[%emt 0:00:32]} 10. exd6 {[%emt 0:01:00]} Qxd6 {[%emt 0:00:06]} 11. Qb3 {[%emt 0:01:05]} O-O {[%emt 0:02:51]} 12. Ba3 {[%emt 0:00:23]} Qc7 {[%emt 0:01:42]} 13. Rb1 {[%emt 0:01:27]} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.1"]
[White "Broz, Petr"]
[Black "Pycha, Patrik"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1993"]
[BlackElo "2029"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 19,43,65,73,54,49,54,81,41,114,85,79,70,76,68,80,72,72,20,20,19,19,0,0,0,0,0]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:43]} d6 {[%emt 0:00:06]} 3. c4 {[%emt 0:00:21]} Nc6 {[%emt 0:01:28]} 4. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:01:07]} 5. Nxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:03:51]} 6. Nc3 {[%emt 0:00:20]} e6 {[%emt 0:05:08]} 7. Be3 {[%emt 0:01:16]} Be7 {[%emt 0:06:51]} 8. Be2 {[%emt 0:00:25]} O-O {[%emt 0:01:33]} 9. O-O {[%emt 0:01:04]} a6 {[%emt 0:05:34]} 10. Rc1 {[%emt 0:01:28]} Qc7 {[%emt 0:02:26] [#]} 11. Nd5 $1 {[%emt 0:00:58] White is more active. B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines .} exd5 {[%emt 0:03:42]} 12. cxd5 {[%emt 0:00:03]} Nxe4 {[%emt 0:04:00][%cal Oe7f6]} 13. dxc6 {[%emt 0:00:14] [#] White is better.} d5 $146 {[%emt 0:08:36] Repels Bc4} (13... Bf6 $14) ({Predecessor:} 13... b5 14. Bf3 Nc5 15. Qc2 Bf6 16. Rfd1 Be5 17. h3 g6 18. Qd2 Ne6 19. Ne2 Re8 {1-0 Anata,C (2202)-Khan,N (1916) Dhaka Walton op 2021 (2)}) 14. cxb7 {[%emt 0:01:13]} (14. Qb3 {feels hotter.} bxc6 15. Nxc6 Be6 16. Qb6) 14... Qxb7 {[%emt 0:00:08] [#]} 15. Nc6 $1 {[%emt 0:01:24]} Be6 {[%emt 0:01:28]} 16. Nxe7+ {[%emt 0:00:06]} Qxe7 {[%emt 0:00:07]} 17. Qa4 {[%emt 0:11:10]} a5 {[%emt 0:03:01]} 18. Bf3 {[%emt 0:02:00] This pair of bishops is nice.} ({Better is} 18. f3 $16 Bd7 19. Qd4) 18... Qb4 $11 {[%emt 0:00:52] The position is equal.} 19. Qxb4 {[%emt 0:01:48]} axb4 {[%emt 0:00:07] [#]} 20. a3 $1 {[%emt 0:00:06]} bxa3 {[%emt 0:03:01]} 21. bxa3 {[%emt 0:00:03]} Ra4 {[%emt 0:03:27]} ({Don't play} 21... Rxa3 22. Bxe4 dxe4 23. Bc5 $16) 22. Bxe4 {[%emt 0:01:23] Weighted Error Value: White=0.16 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.2"]
[White "Pavlis, Matej"]
[Black "Matejovsky, Ondrej"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1868"]
[BlackElo "1931"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,73,44,58,41,81,46,49,58,63,0,0,0,0,0,0,0,1,0,27,13,35,31,32,18,27,30,22,32,57,72,71,80,87,82,170,137,191,207,443,445,538,525,1239,1231,1213,1189,1340,1300,1662,1365,29979,29980,29987,29987,29990,29991,29991,29992]} 1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:14]} 2. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:20]} 3. c4 {[%emt 0:00:12]} e6 {[%emt 0:00:42]} 4. g3 {[%emt 0:00:47]} Bb4+ {[%emt 0:02:46]} 5. Bd2 {[%emt 0:00:38]} Bxd2+ {[%emt 0:02:27]} 6. Nbxd2 {[%emt 0:00:27]} O-O {[%emt 0:02:02]} 7. Bg2 {[%emt 0:02:13]} c6 {[%emt 0:16:09]} 8. O-O {[%emt 0:03:15]} Nbd7 {[%emt 0:02:59]} 9. Qc2 {[%emt 0:04:35]} Re8 {[%emt 0:05:03]} 10. Rfd1 {[%emt 0:03:04] E11: Bogo-Indian.} Qe7 {[%emt 0:05:59] [#]} 11. e3 $146 {[%emt 0:03:33]} ({Predecessor:} 11. Rac1 Nf8 12. Ne5 N6d7 13. Nd3 Ng6 14. e3 Nf6 15. b4 Bd7 16. Nc5 Rab8 17. a4 Red8 {0-1 Zong,D (2129)-Arencibia Monduy,A (2148) PNWCC Online blitz JP 17th 2020 (8)}) 11... e5 {[%emt 0:09:49]} 12. cxd5 {[%emt 0:05:58] White is slightly better.} Nxd5 {[%emt 0:01:19]} 13. Nc4 {[%emt 0:01:53]} ({White should try} 13. e4 $14 N5b6 14. Nb3) 13... e4 $11 {[%emt 0:06:25]} 14. Nfe5 {[%emt 0:02:56]} f6 {[%emt 0:04:17]} 15. Nxd7 {[%emt 0:01:17]} Bxd7 {[%emt 0:00:14]} 16. a3 {[%emt 0:00:56]} Rad8 {[%emt 0:07:22]} 17. Nd2 {[%emt 0:03:10][%cal Rc2e4,Bc4d2,Bd2b3,Bb3c5][%mdl 32]} Bf5 {[%emt 0:01:11]} 18. b4 {[%emt 0:04:00]} Rd7 {[%emt 0:04:49]} 19. Rdc1 {[%emt 0:02:24]} Qe6 {[%emt 0:03:44]} 20. Nb3 {[%emt 0:01:34] [#] And now Nc5 would win.} Rde7 {[%emt 0:00:29]} 21. Nc5 {[%emt 0:00:15]} Qf7 {[%emt 0:00:58]} 22. Rab1 {[%emt 0:02:33]} a6 {[%emt 0:00:51]} 23. a4 {[%emt 0:02:35][%cal Ba3a4,Ba4b5,Bb5b6][%mdl 32]} h5 {[%emt 0:04:13][%cal Oh5h4]} 24. b5 {[%emt 0:00:46]} cxb5 {[%emt 0:02:23]} 25. axb5 {[%emt 0:00:17]} a5 {[%emt 0:00:50]} (25... Rc8 $16 {might work better.}) 26. b6 $18 {[%emt 0:01:53]} Nb4 {[%emt 0:01:56]} (26... h4 $16 {was necessary.} 27. Rb5 Nb4) 27. Qa4 {[%emt 0:01:14]} Nc6 $2 {[%emt 0:03:08]} (27... Na2) 28. Bf1 {[%emt 0:02:14] aiming for Bc4.} ({Don't play} 28. Nxb7 Rxb7 29. Qxc6 Kh7 $18) 28... Qg6 {[%emt 0:01:59] [#]} 29. Nxb7 {[%emt 0:03:07][%mdl 512]} Nxd4 {[%emt 0:01:40]} (29... Rxb7 30. Qxc6) 30. Qxd4 {[%emt 0:00:03]} Rxb7 {[%emt 0:00:24]} 31. Qd5+ {[%emt 0:00:04]} Rf7 {[%emt 0:00:44]} 32. b7 {[%emt 0:00:15]} Rb8 {[%emt 0:01:13]} 33. Bc4 {[%emt 0:00:48]} h4 {[%emt 0:02:10]} 34. Qd6 {[%emt 0:00:37] White mates.} hxg3 {[%emt 0:01:50]} 35. Bxf7+ {[%emt 0:00:22]} Qxf7 {[%emt 0:00:18]} 36. Qxb8+ {[%emt 0:00:08]} Kh7 {[%emt 0:00:13]} 37. Qxg3 {[%emt 0:00:17] Weighted Error Value: White=0.06 (flawless) /Black=0.54} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.3"]
[White "Hlavac, Rudolf"]
[Black "Zednicek, Filip"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "1985"]
[BlackElo "1885"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 29,66,29,24,24,30,29,33,29,33,10,23,2,11,0,30,8,49,0,0,0,0,-5,-12,-94,-62,-66,-60,-60,-64,-62,-60,-48,-4,-231,-221,-1454,-1457,-29994,-29995]} 1. e4 {[%emt 0:08:24]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:04]} 3. Bb5 {[%emt 0:00:23]} f5 {[%emt 0:00:08]} 4. Nc3 {[%emt 0:00:21]} fxe4 {[%emt 0:00:18]} 5. Nxe4 {[%emt 0:00:26]} d5 {[%emt 0:00:05]} 6. Nxe5 {[%emt 0:00:14]} dxe4 {[%emt 0:00:20]} 7. Nxc6 {[%emt 0:01:23]} Qg5 {[%emt 0:00:07]} 8. Qe2 {[%emt 0:00:25]} Nf6 {[%emt 0:00:21]} 9. f4 {[%emt 0:09:26]} Qxf4 {[%emt 0:00:39]} 10. Ne5+ {[%emt 0:00:21]} c6 {[%emt 0:00:10]} 11. d4 {[%emt 0:00:12]} Qh4+ {[%emt 0:00:05]} 12. g3 {[%emt 0:00:16]} Qh3 {[%emt 0:00:02]} 13. Bc4 {[%emt 0:00:11]} Be6 {[%emt 0:00:02]} 14. Bg5 {[%emt 0:02:58]} O-O-O {[%emt 0:00:10]} 15. O-O-O {[%emt 0:02:19]} Bd6 {[%emt 0:00:24]} 16. Nf7 {[%emt 0:07:19] has lost popularity (16.Bxe6+). C63: Ruy Lopez: Schliemann/Jaenisch Defence.} Bxf7 {[%emt 0:19:30]} 17. Bxf7 {[%emt 0:01:26]} Rhf8 {[%emt 0:02:03]} 18. Bc4 {[%emt 0:01:36] White is slightly better.} Qf5 {[%emt 0:01:13]} 19. Bxf6 {[%emt 0:01:39]} Rxf6 {[%emt 0:00:58] [#]} 20. Rde1 $146 {[%emt 0:09:51]} ({Predecessor:} 20. Rhf1 Qg5+ 21. Kb1 Re8 22. c3 Kb8 23. Bb3 e3 24. Rxf6 gxf6 25. Rf1 f5 26. Bc2 {½-½ Vitkevicius,J (2311)-Van Vugt,W (2233) CL/0406/C1-3 email 2004}) 20... Re8 {[%emt 0:04:15]} 21. Qe3 {[%emt 0:02:15]} Qf2 {[%emt 0:07:26]} 22. c3 (22. Bd3 $5) 22... b5 {[%emt 0:08:55]} 23. Bb3 {[%emt 0:12:25]} (23. Bd3 $14 {might be stronger.}) 23... Rf3 $11 {[%emt 0:01:16]} 24. Qxf2 {[%emt 0:03:09]} Rxf2 {[%emt 0:01:11]} 25. Re3 {[%emt 0:01:22]} b4 $36 {[%emt 0:04:01][%mdl 2048] Black is pushing.} 26. c4 {[%emt 0:04:10]} (26. Bc4 $11) 26... c5 {[%emt 0:00:21] Black is much more active.} 27. Rhe1 {[%emt 0:04:09]} cxd4 {[%emt 0:01:11]} 28. Rxe4 {[%emt 0:00:16]} Rxe4 {[%emt 0:00:05]} 29. Rxe4 {[%emt 0:00:03]} Rxh2 $15 {[%emt 0:00:05] KRB-KRB} 30. g4 {[%emt 0:03:03]} d3 {[%emt 0:00:52] [#] White must now prevent ...g5.} 31. Bd1 $2 {[%emt 0:01:20]} (31. c5 $1 $11 {and White is okay.} Re2 32. Rxb4) 31... g5 {[%emt 0:04:31] aiming for ...Bf4+.} 32. c5 $2 {[%emt 0:06:02]} (32. Rd4 Bf4+ 33. Kb1) 32... Bf4+ $19 {[%emt 0:00:43]} (32... Bxc5 $2 33. Rc4 $18) 33. Kb1 {[%emt 0:00:16]} Rh1 {[%emt 0:00:28] Weighted Error Value: White=0.89/Black=0.10 (very precise)} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.4"]
[White "Juracak, David"]
[Black "Mrkvan, Frantisek"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1820"]
[BlackElo "1727"]
[Annotator "NA RC COMBH"]
[PlyCount "152"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} d5 {[%emt 0:00:38]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:09]} 3. Nf3 {[%emt 0:00:25]} Nf6 {[%emt 0:00:29]} 4. Nc3 {[%emt 0:00:58]} c5 {[%emt 0:00:42]} 5. Bg5 {[%emt 0:00:38]} Be7 {[%emt 0:05:43]} 6. cxd5 {[%emt 0:01:55]} exd5 {[%emt 0:03:20]} 7. dxc5 {[%emt 0:00:12]} Be6 {[%emt 0:01:03]} 8. e3 {[%emt 0:01:15]} O-O {[%emt 0:03:11]} 9. Bd3 {[%emt 0:00:50]} Bxc5 {[%emt 0:01:04]} 10. O-O {[%emt 0:02:11]} Nc6 {[%emt 0:04:24]} 11. Rc1 {[%emt 0:00:30]} Bd6 {[%emt 0:01:42]} 12. Nb5 {[%emt 0:01:34]} Bb8 {[%emt 0:02:40]} 13. Qa4 {[%emt 0:14:17]} h6 {[%emt 0:14:06]} 14. Bh4 {[%emt 0:00:50]} a6 {[%emt 0:03:19]} 15. Nbd4 {[%emt 0:00:11]} Nxd4 {[%emt 0:00:11]} 16. Qxd4 {[%emt 0:00:05]} Ba7 {[%emt 0:02:02]} 17. Bxf6 {[%emt 0:02:49]} Qxf6 {[%emt 0:00:07]} 18. Qxf6 {[%emt 0:00:04]} gxf6 {[%emt 0:00:04]} 19. Rc7 {[%emt 0:00:20]} b5 {[%emt 0:03:19]} 20. Nh4 {[%emt 0:01:11]} Rfc8 {[%emt 0:04:41]} 21. Rfc1 {[%emt 0:00:17]} Bb6 {[%emt 0:00:27]} 22. Rxc8+ {[%emt 0:00:27]} Rxc8 {[%emt 0:00:08]} 23. Rxc8+ {[%emt 0:00:07]} Bxc8 {[%emt 0:00:03]} 24. Bf5 {[%emt 0:00:12]} Be6 {[%emt 0:00:32]} 25. Ng6 {[%emt 0:03:45]} Kg7 {[%emt 0:04:56]} 26. Ne7 {[%emt 0:03:14]} Bc5 {[%emt 0:01:37]} 27. Bxe6 {[%emt 0:00:09]} fxe6 {[%emt 0:00:05]} 28. Nc6 {[%emt 0:00:10]} Kf7 {[%emt 0:03:31]} 29. Kf1 {[%emt 0:01:14]} Bd6 {[%emt 0:03:04]} 30. h3 {[%emt 0:00:37]} Ke8 {[%emt 0:01:30]} 31. Ke2 {[%emt 0:00:27]} Kd7 {[%emt 0:04:30]} 32. Nd4 {[%emt 0:00:06]} f5 {[%emt 0:00:41]} 33. b3 {[%emt 0:00:31]} Be7 {[%emt 0:01:36]} 34. f4 {[%emt 0:01:34]} h5 {[%emt 0:02:15]} 35. Kd3 {[%emt 0:00:58]} Kd6 {[%emt 0:01:44]} 36. a4 {[%emt 0:04:36]} b4 {[%emt 0:05:09]} 37. Ne2 {[%emt 0:00:11]} Bh4 {[%emt 0:01:01]} 38. Ng1 {[%emt 0:01:07]} Bf6 {[%emt 0:00:46]} 39. Nf3 {[%emt 0:00:38]} Bg7 {[%emt 0:00:56]} 40. Ng5 {[%emt 0:04:56]} Bf6 {[%emt 0:01:06]} 41. Nf7+ {[%emt 0:02:01]} Ke7 {[%emt 0:00:33]} 42. Ne5 {[%emt 0:00:46]} Kd6 {[%emt 0:00:33]} 43. Ng6 {[%emt 0:00:30]} Bg7 {[%emt 0:00:53]} 44. Ke2 {[%emt 0:01:30]} Bf6 {[%emt 0:00:32]} 45. Kf2 {[%emt 0:00:42]} d4 {[%emt 0:04:32]} 46. Ke2 {[%emt 0:00:28]} dxe3 {[%emt 0:00:14]} 47. Kxe3 {[%emt 0:00:04]} Kd5 {[%emt 0:00:17]} 48. Nf8 {[%emt 0:00:22]} e5 {[%emt 0:04:28]} 49. fxe5 {[%emt 0:01:32]} Bxe5 {[%emt 0:00:24]} 50. Ng6 {[%emt 0:00:21]} Bd6 {[%emt 0:00:41]} 51. Nf4+ {[%emt 0:00:26]} Bxf4+ 52. Kxf4 {[%emt 0:00:03]} Kd4 {[%emt 0:00:20]} 53. Kxf5 {[%emt 0:00:10]} Kc3 {[%emt 0:00:04]} 54. g4 {[%emt 0:00:32]} hxg4 {[%emt 0:00:22]} 55. hxg4 {[%emt 0:00:10]} Kxb3 {[%emt 0:00:03]} 56. g5 {[%emt 0:00:19]} Kc3 {[%emt 0:00:07]} 57. g6 {[%emt 0:00:10]} b3 {[%emt 0:01:40]} 58. g7 {[%emt 0:00:03]} b2 {[%emt 0:00:02]} 59. g8=Q {[%emt 0:00:14]} b1=Q+ {[%emt 0:00:05]} 60. Ke5 {[%emt 0:00:14]} Qe1+ {[%emt 0:00:21]} 61. Kf4 {[%emt 0:00:16]} Qf2+ {[%emt 0:00:23]} 62. Ke5 {[%emt 0:00:22]} Qd4+ {[%emt 0:00:45]} 63. Kf5 {[%emt 0:00:07]} Qxa4 {[%emt 0:00:21]} 64. Qg3+ {[%emt 0:00:50]} Kb2 {[%emt 0:01:10]} 65. Qe5+ {[%emt 0:00:08]} Ka2 {[%emt 0:00:57]} 66. Qe6+ {[%emt 0:00:26]} Ka3 {[%emt 0:00:29]} 67. Qd6+ {[%emt 0:00:18]} Kb3 {[%emt 0:00:49]} 68. Qd3+ {[%emt 0:01:21]} Kb2 {[%emt 0:00:23]} 69. Kf6 {[%emt 0:02:11]} Qc6+ {[%emt 0:01:43]} 70. Ke7 {[%emt 0:00:39]} Qc5+ {[%emt 0:03:30]} 71. Kd8 {[%emt 0:01:29]} Qf8+ {[%emt 0:02:46]} 72. Kd7 {[%emt 0:00:51]} Qg7+ {[%emt 0:01:47]} 73. Kd8 {[%emt 0:00:21]} Qg5+ {[%emt 0:00:47]} 74. Kc8 {[%emt 0:01:01]} Qb5 {[%emt 0:00:27]} 75. Qd2+ {[%emt 0:00:42]} Ka3 {[%emt 0:00:40]} 76. Qc3+ {[%emt 0:01:00]} Ka2 {[%emt 0:01:42]} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.5"]
[White "Pressler, Tobias"]
[Black "Sadil, Antonin"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2096"]
[BlackElo "1683"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,79,4,32,8,36,20,8,-16,0,-41,0,-132,0,-60,14,20,5,10,12,-15,16,13,14,-14,0,-18,-6,-26,302,291,433,433,432,423,512,500,550,539,543,539,620,618,748,739,774,768,758,757,1424,1405,1375,1182,1182,987,1174,1164,1093,750,1043,896,839,793,1191,1183,1309,1508,2197,1951,2578,2056,29983,29984]} 1. f4 {[%emt 0:00:22]} c6 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:11]} d5 {[%emt 0:00:12]} 3. g3 {[%emt 0:01:00]} Nf6 {[%emt 0:00:53]} 4. Bg2 {[%emt 0:00:09]} e6 {[%emt 0:00:33]} 5. O-O {[%emt 0:00:34] [#]} c5 $146 {[%emt 0:00:50]} ({Predecessor:} 5... Be7 6. d3 O-O 7. Qe1 Re8 8. e4 dxe4 9. dxe4 Bc5+ 10. Kh1 Qb6 11. h3 Nbd7 12. e5 {0-1 Christensen,T (2154)-Belova,O (2056) Titled Tuesday intern op 18th May blitz 2021 (8)}) 6. d3 {[%emt 0:00:30][%cal Oe2e4] A03: Bird's Opening with 1...d5.} Nc6 {[%emt 0:00:53]} 7. b3 {[%emt 0:00:52]} Be7 {[%emt 0:01:12]} 8. Bb2 {[%emt 0:00:29][%cal Oe2e4] The position is equal.} O-O {[%emt 0:00:35]} 9. Qe1 {[%emt 0:00:52]} b6 {[%emt 0:03:50]} 10. Ne5 {[%emt 0:00:30]} (10. e3 $11 {keeps the balance.}) 10... Bb7 {[%emt 0:01:23]} (10... Nxe5 $17 11. fxe5 Ng4) 11. Nd2 {[%emt 0:00:06]} ({White should play} 11. Nxc6 $11 Bxc6 12. a4) 11... Nd7 {[%emt 0:02:52]} ({Black should try} 11... Nxe5 $1 $15 12. Bxe5 Ng4) 12. Nxc6 $11 {[%emt 0:04:30]} Bxc6 {[%emt 0:00:15]} 13. e4 {[%emt 0:00:04]} Re8 {[%emt 0:04:09]} 14. f5 {[%emt 0:04:27] aiming for fxe6.} d4 {[%emt 0:06:29]} (14... Bf6 $5 {[%cal Rf6b2]} 15. fxe6 Rxe6 $11) 15. fxe6 {[%emt 0:06:37]} fxe6 {[%emt 0:00:14]} 16. h4 {[%emt 0:00:54]} Qc7 {[%emt 0:01:38]} 17. Bh3 {[%emt 0:00:12]} ({Much worse is} 17. Qf2 Rf8 18. Bf3 Rf6 $17) 17... Kh8 {[%emt 0:05:45]} 18. Bxe6 {[%emt 0:05:55] [#]} Bxh4 $2 {[%emt 0:00:30][%mdl 8192] A mistake that costs the game.} 19. Bxd7 $18 {[%emt 0:00:05]} Bxg3 {[%emt 0:00:30]} (19... Bxd7 $142 20. gxh4 Re6) 20. Bxe8 {[%emt 0:00:06]} Rxe8 {[%emt 0:01:38]} 21. Qe2 {[%emt 0:00:31]} Qe7 {[%emt 0:04:31]} 22. Qg4 {[%emt 0:00:29]} Bc7 {[%emt 0:01:39]} 23. Rf3 {[%emt 0:01:03]} Bd7 {[%emt 0:00:45]} 24. Qg2 {[%emt 0:00:06]} h6 {[%emt 0:01:26]} 25. Raf1 {[%emt 0:00:09] Rf7 would be deadly.} Kg8 {[%emt 0:02:19] Prevents Rf7.} 26. c3 {[%emt 0:00:16]} Be5 {[%emt 0:01:28]} 27. cxd4 {[%emt 0:00:18]} cxd4 {[%emt 0:00:10]} 28. Nc4 {[%emt 0:00:07]} Qc5 {[%emt 0:01:28]} 29. Qg6 {[%emt 0:01:12] Ba3 is the strong threat.} Re6 {[%emt 0:07:46] [#]} 30. Rf8+ $1 {[%emt 0:01:39]} Qxf8 {[%emt 0:00:08]} 31. Rxf8+ {[%emt 0:00:04]} Kxf8 {[%emt 0:00:08]} 32. Qf5+ {[%emt 0:00:05]} Bf6 {[%emt 0:02:11]} 33. e5 {[%emt 0:00:13]} Kg8 {[%emt 0:03:03]} 34. Bxd4 {[%emt 0:00:11]} Bg5 {[%emt 0:02:37]} 35. Be3 {[%emt 0:01:04]} Re7 {[%emt 0:01:47]} 36. Qe4 {[%emt 0:00:47]} Bxe3+ {[%emt 0:01:23]} 37. Nxe3 {[%emt 0:00:07]} a5 {[%emt 0:01:10]} 38. d4 {[%emt 0:00:08]} a4 {[%emt 0:01:11]} 39. bxa4 {[%emt 0:00:06]} Bxa4 {[%emt 0:00:06]} 40. Qa8+ {[%emt 0:00:04] Weighted Error Value: White=0.24 (precise) /Black=0.68} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.1"]
[White "Sadil, Antonin"]
[Black "Broz, Petr"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "1683"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,96,25,22,21,16,46,40,44,37,41,33,45,18,21,21,23,0,14,18,16,-10,-28,-14,0,0,12,0,67,62,57,45,136,0,0,0,3,0,0,8,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 {[%emt 0:00:27]} Nf6 {[%emt 0:01:21]} 2. g3 {[%emt 0:00:29]} g6 {[%emt 0:02:18]} 3. Bg2 {[%emt 0:01:12]} Bg7 {[%emt 0:01:06]} 4. Nf3 {[%emt 0:00:26]} O-O {[%emt 0:00:46]} 5. Nc3 {[%emt 0:02:05]} d6 {[%emt 0:01:04]} 6. O-O {[%emt 0:00:20]} c5 {[%emt 0:01:44]} 7. d3 {[%emt 0:02:16]} Nc6 {[%emt 0:03:40]} 8. a3 {[%emt 0:03:56]} a5 {[%emt 0:00:19]} 9. Rb1 {[%emt 0:03:07]} Bg4 {[%emt 0:02:12] A38: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6.} 10. h3 {[%emt 0:04:15]} Bxf3 {[%emt 0:00:23]} 11. Bxf3 {[%emt 0:00:16]} Qd7 {[%emt 0:00:15] White is slightly better.} 12. Bg2 {[%emt 0:03:27]} Rab8 {[%emt 0:01:57] [#]} 13. Nb5 $146 {[%emt 0:04:18]} ({Predecessor:} 13. Bd2 Ne8 14. Qa4 Nc7 15. Nd5 b5 16. cxb5 Nxb5 17. Nc3 Nba7 18. Rfc1 Rfd8 19. e3 {1-0 Antic,D (2388)-Sherman,R (2126) EU-ch 23rd Vrnjacka Banja 2023 (6)}) 13... Ne8 {[%emt 0:03:28]} 14. b3 {[%emt 0:03:11]} Nc7 {[%emt 0:02:29]} 15. Nxc7 {[%emt 0:00:23]} Qxc7 {[%emt 0:00:04]} 16. Bb2 {[%emt 0:00:22]} b5 {[%emt 0:01:04]} 17. Bxg7 {[%emt 0:01:47]} Kxg7 {[%emt 0:00:04]} 18. Bxc6 {[%emt 0:05:23]} Qxc6 {[%emt 0:00:05]} 19. Qd2 {[%emt 0:00:54]} bxc4 {[%emt 0:02:14]} 20. bxc4 {[%emt 0:00:17]} a4 {[%emt 0:02:27]} 21. Rb2 {[%emt 0:01:57]} d5 {[%emt 0:13:45]} (21... Rb7 $11) 22. Rfb1 $14 {[%emt 0:01:28][%cal Bf1b1,Bb1b6,Bb6a6][%mdl 32]} Rxb2 {[%emt 0:00:14]} 23. Qxb2+ {[%emt 0:00:14][%mdl 4096] Endgame KQR-KQR} f6 {[%emt 0:01:05] [#]} ({Black should try} 23... Kg8 $1 $14) 24. Qb6 {[%emt 0:02:00]} ({White should play} 24. Qb7 $1 $16 {[%cal Rb7c6]} Qxb7 25. Rxb7) 24... Qxb6 $11 {[%emt 0:00:42] The position is equal.} 25. Rxb6 {[%emt 0:00:12]} dxc4 {[%emt 0:00:02]} 26. dxc4 {[%emt 0:00:30] KR-KR} Rd8 {[%emt 0:00:03]} 27. Ra6 {[%emt 0:01:09]} Rd2 {[%emt 0:01:09]} 28. e3 {[%emt 0:00:31]} Rc2 {[%emt 0:00:14]} 29. Rxa4 {[%emt 0:00:20]} Kf7 {[%emt 0:00:13]} 30. Kg2 {[%emt 0:01:56]} h5 {[%emt 0:01:23]} 31. Kf3 {[%emt 0:00:25]} Ke6 {[%emt 0:01:54]} 32. g4 {[%emt 0:04:07]} h4 {[%emt 0:03:44]} 33. Ra6+ {[%emt 0:06:07]} Ke5 {[%emt 0:01:13]} 34. Ra7 {[%emt 0:01:06]} e6 {[%emt 0:00:14]} 35. a4 {[%emt 0:03:19]} Rxc4 {[%emt 0:00:55]} 36. a5 {[%emt 0:00:18]} Ra4 {[%emt 0:00:08]} 37. Ra8 {[%emt 0:00:17]} f5 {[%emt 0:16:04]} 38. gxf5 {[%emt 0:00:27]} exf5 {[%emt 0:01:32]} 39. a6 {[%emt 0:00:13] [#] aiming for a7.} Kf6 {[%emt 0:00:05]} 40. a7 {[%emt 0:00:34] Hoping for Rf8+.} Kg7 {[%emt 0:00:33] Prevents Rf8.} 41. Rc8 {[%emt 0:00:22]} Rxa7 {[%emt 0:00:04]} 42. Rxc5 {[%emt 0:00:13]} Ra4 {[%emt 0:00:12]} 43. Rc1 {[%emt 0:04:14]} Kh6 {[%emt 0:00:48]} 44. Re1 {[%emt 0:02:09]} Re4 {[%emt 0:03:29]} 45. Rg1 {[%emt 0:00:47]} Kh5 {[%emt 0:00:25]} 46. Rd1 {[%emt 0:01:45]} Ra4 {[%emt 0:00:07]} 47. Kg2 {[%emt 0:02:26]} Rb4 {[%emt 0:01:44]} 48. Rc1 {[%emt 0:00:53]} Ra4 {[%emt 0:01:13] Weighted Error Value: White=0.13 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.2"]
[White "Mrkvan, Frantisek"]
[Black "Pressler, Tobias"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1727"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,65,50,47,52,50,27,30,22,27,25,28,26,29,25,24,18,40,36,56,36,52,33,41,25,71,44,66,39,77,78,91,62,62,65,56,-6,-3,-10,-8,-4,8,0,0,-7,0,0,15,11,13,7,20,8,29,17,38,49,52,43]} 1. e4 {[%emt 0:00:05]} d5 {[%emt 0:00:33]} 2. exd5 {[%emt 0:00:18]} Qxd5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:09]} Qd6 {[%emt 0:00:03]} 4. Nf3 {[%emt 0:02:08]} Nf6 {[%emt 0:00:20]} 5. d4 {[%emt 0:00:15]} c6 {[%emt 0:00:04]} 6. Be3 {[%emt 0:01:05] B01: Scandinavian Defence.} Bg4 {[%emt 0:00:10] The main line 6...Bg4 scores better than 6...Bf5.} 7. Be2 {[%emt 0:00:23]} e6 {[%emt 0:00:47]} 8. Qd2 {[%emt 0:01:11] White has an edge.} Qc7 {[%emt 0:00:05]} 9. h3 {[%emt 0:00:40]} Bxf3 {[%emt 0:01:08]} 10. Bxf3 {[%emt 0:02:28]} Nbd7 {[%emt 0:00:08]} 11. O-O-O {[%emt 0:01:59] [#]} Nb6 $146 {[%emt 0:00:40]} ({Predecessor:} 11... Bb4 12. a3 Bd6 13. Qe2 O-O 14. g4 b5 15. g5 Nd5 16. Nxd5 cxd5 17. h4 a5 {0-1 Utsab,C (1978)-Ram,S (2255) Bhopal op 2017 (3)}) 12. Qe2 {[%emt 0:00:34]} O-O-O {[%emt 0:01:08]} 13. Kb1 {[%emt 0:04:15]} h6 {[%emt 0:06:49]} 14. h4 {[%emt 0:02:49]} Be7 {[%emt 0:04:53]} 15. g3 {[%emt 0:03:28]} Nbd5 {[%emt 0:05:52]} 16. Nxd5 {[%emt 0:11:15]} cxd5 {[%emt 0:00:06]} (16... exd5 $11 {might be stronger.} 17. g4 Bd6) 17. Rc1 {[%emt 0:00:30]} Qc4 {[%emt 0:01:41]} 18. Qd2 {[%emt 0:09:16]} (18. Qxc4+ {simplifies} dxc4 19. c3 Nd5 20. Bd2) 18... Bb4 {[%emt 0:07:03]} 19. c3 {[%emt 0:00:13]} Ba5 {[%emt 0:00:27]} 20. Be2 {[%emt 0:01:08]} Qc6 {[%emt 0:01:04]} 21. Qd3 {[%emt 0:00:22]} Kb8 {[%emt 0:00:35]} 22. c4 {[%emt 0:00:26]} (22. Rc2 $14) 22... dxc4 $11 {[%emt 0:01:11]} 23. Qxc4 {[%emt 0:00:21]} Qxc4 {[%emt 0:00:40]} 24. Rxc4 {[%emt 0:00:10]} Rc8 {[%emt 0:00:15]} 25. Rhc1 {[%emt 0:02:39] [#] aiming for Bf4+.} Nd5 {[%emt 0:00:30][%cal Bf6d5,Bd5b6,Bb6d7,Bd7e5][%mdl 32]} 26. g4 {[%emt 0:05:46]} Bc7 {[%emt 0:04:45]} 27. Bf3 {[%emt 0:07:53]} Nb6 {[%emt 0:00:05]} 28. R4c3 {[%emt 0:00:25]} Bd6 {[%emt 0:00:51]} 29. h5 {[%emt 0:02:20]} Rxc3 {[%emt 0:03:21]} 30. Rxc3 {[%emt 0:00:15]} Nd7 {[%emt 0:06:00]} 31. Kc2 {[%emt 0:03:19]} e5 {[%emt 0:04:47]} 32. dxe5 {[%emt 0:02:38]} Nxe5 {[%emt 0:00:12]} 33. Bf4 {[%emt 0:01:21] Weighted Error Value: White=0.13 (very precise) /Black=0.10 (very precise)} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.3"]
[White "Zednicek, Filip"]
[Black "Juracak, David"]
[Result "0-1"]
[ECO "C29"]
[WhiteElo "1885"]
[BlackElo "1820"]
[Annotator "NA RC COMBH"]
[PlyCount "108"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:04]} 2. Nc3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 3. f4 {[%emt 0:00:04]} d5 {[%emt 0:00:10]} 4. fxe5 {[%emt 0:00:05]} Nxe4 {[%emt 0:00:15]} 5. Nf3 {[%emt 0:00:07]} Be7 {[%emt 0:00:20]} 6. d4 {[%emt 0:02:34]} O-O {[%emt 0:01:21]} 7. Bd3 {[%emt 0:00:12]} Nxc3 {[%emt 0:00:28]} 8. bxc3 {[%emt 0:00:03]} c5 {[%emt 0:00:08]} 9. O-O {[%emt 0:00:25]} c4 {[%emt 0:00:13]} 10. Be2 {[%emt 0:00:08]} b5 {[%emt 0:00:49]} 11. Qe1 Nc6 {[%emt 0:11:07]} 12. Qg3 {[%emt 0:01:38]} Bf5 {[%emt 0:06:25]} 13. Rf2 {[%emt 0:04:19]} b4 {[%emt 0:10:09]} 14. Ne1 {[%emt 0:03:08]} Bh4 {[%emt 0:01:23]} 15. Qf3 {[%emt 0:00:05]} Bxf2+ {[%emt 0:02:39]} 16. Qxf2 {[%emt 0:00:18]} Bg6 {[%emt 0:00:50]} 17. cxb4 {[%emt 0:03:07]} Nxb4 {[%emt 0:00:27]} 18. Ba3 {[%emt 0:00:29]} Qa5 {[%emt 0:00:18]} 19. Qe3 {[%emt 0:00:45]} Rfb8 {[%emt 0:01:39]} 20. Bf3 {[%emt 0:03:25]} Rd8 {[%emt 0:12:21]} 21. Qc3 {[%emt 0:03:03]} Nc6 {[%emt 0:03:50]} 22. Qxa5 {[%emt 0:00:10]} Nxa5 {[%emt 0:00:07]} 23. Bd6 {[%emt 0:00:07]} Nc6 {[%emt 0:09:51]} 24. Bxd5 {[%emt 0:01:10]} Nxd4 {[%emt 0:00:08]} 25. Bxa8 {[%emt 0:00:12]} Rxa8 {[%emt 0:00:05]} 26. Rb1 {[%emt 0:04:50]} Nxc2 {[%emt 0:02:38]} 27. Nxc2 {[%emt 0:00:07]} Bxc2 {[%emt 0:00:05]} 28. Rb8+ {[%emt 0:00:47]} Rxb8 {[%emt 0:00:04]} 29. Bxb8 {[%emt 0:00:05]} a6 {[%emt 0:00:15]} 30. Kf2 {[%emt 0:00:50]} Bb3 {[%emt 0:01:28]} 31. a3 {[%emt 0:06:41]} c3 {[%emt 0:02:26]} 32. Ke3 {[%emt 0:00:57]} Bc4 {[%emt 0:00:30]} 33. Bd6 {[%emt 0:00:44]} c2 {[%emt 0:00:18]} 34. Kd2 {[%emt 0:00:02]} Bd3 {[%emt 0:00:13]} 35. Bb4 {[%emt 0:00:48]} Be4 {[%emt 0:00:39]} 36. a4 {[%emt 0:01:07]} g5 {[%emt 0:00:44]} 37. a5 {[%emt 0:01:13]} Kg7 {[%emt 0:00:07]} 38. Be7 {[%emt 0:01:10]} Kg6 {[%emt 0:00:13]} 39. h4 {[%emt 0:00:33]} gxh4 {[%emt 0:00:41]} 40. Bxh4 {[%emt 0:00:40]} Kf5 {[%emt 0:00:07]} 41. Bg3 {[%emt 0:00:09]} Ke6 {[%emt 0:00:34]} 42. Bf4 {[%emt 0:01:21]} Kd5 {[%emt 0:00:08]} 43. Kc1 {[%emt 0:05:40]} Kd4 {[%emt 0:01:53]} 44. Kd2 {[%emt 0:00:22]} h5 {[%emt 0:00:25]} 45. Bg3 {[%emt 0:03:11]} Kc4 {[%emt 0:00:09]} 46. Bf2 {[%emt 0:04:49]} Kb3 {[%emt 0:00:06]} 47. Kc1 {[%emt 0:01:46]} Bxg2 {[%emt 0:00:06]} 48. Bg3 {[%emt 0:00:41]} Be4 {[%emt 0:00:07]} 49. Be1 {[%emt 0:00:42]} Kc4 {[%emt 0:00:33]} 50. Bh4 {[%emt 0:06:51]} Kd4 {[%emt 0:00:15]} 51. Bf6 {[%emt 0:00:04]} Ke3 {[%emt 0:00:10]} 52. Bg5+ {[%emt 0:00:02]} Kf3 {[%emt 0:00:23]} 53. Kd2 {[%emt 0:00:17]} Kg4 {[%emt 0:00:12]} 54. Be3 {[%emt 0:00:03]} h4 {[%emt 0:00:40]} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.4"]
[White "Matejovsky, Ondrej"]
[Black "Hlavac, Rudolf"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1931"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,78,65,76,61,61,42,54,19,19,20,27,24,31,24,42,43,50,0,22,11,7,0,6,1,33,28,37,0,0,-9,12,11,34,0,7,0,0,0,0,0,37,48,32,0,0,2,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,20,0,7,0,7,0,0,0,0]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:10:26]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:18]} 3. Bb5 {[%emt 0:00:10]} Na5 {[%emt 0:00:11]} 4. O-O {[%emt 0:00:54]} a6 {[%emt 0:00:09]} 5. Be2 {[%emt 0:00:25]} e6 {[%emt 0:05:21]} 6. d4 {[%emt 0:04:24] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} cxd4 {[%emt 0:01:00]} 7. Nxd4 {[%emt 0:01:08]} Qc7 {[%emt 0:00:33]} 8. b3 {[%emt 0:08:38] White is slightly better.} b5 {[%emt 0:02:22]} 9. Bb2 {[%emt 0:07:40]} Nf6 {[%emt 0:01:42] [#]} 10. Bd3 $146 {[%emt 0:11:10]} ({Predecessor:} 10. Bf3 Bb7 11. Re1 Be7 12. e5 Nd5 13. Nf5 exf5 14. Bxd5 Bxd5 15. Qxd5 O-O 16. Qd3 {1-0 Gonzales,S (2305)-Acosta,A (2325) COL-ch Columbia 1988 (13)}) 10... Bb7 {[%emt 0:00:53]} 11. Qe2 {[%emt 0:03:26]} Nc6 {[%emt 0:10:42]} 12. Nxc6 {[%emt 0:01:49]} Qxc6 {[%emt 0:06:33]} 13. f3 {[%emt 0:01:56]} (13. Nd2 $14) 13... Be7 {[%emt 0:04:17]} 14. Nd2 {[%emt 0:03:19][%cal Bb1d2,Bd2c4,Bc4e3,Be3c4][%mdl 32]} O-O {[%emt 0:01:00]} 15. a4 {[%emt 0:02:31]} b4 {[%emt 0:09:10]} 16. Kh1 {[%emt 0:05:39]} d6 {[%emt 0:05:38]} 17. Nc4 {[%emt 0:01:27]} Qc5 {[%emt 0:01:11] Inhibits Na5.} 18. Qe3 {[%emt 0:18:42]} (18. f4 $14 {might be stronger.}) 18... Qxe3 $11 {[%emt 0:04:45]} 19. Nxe3 {[%emt 0:00:03]} Nd7 {[%emt 0:02:02]} 20. Rad1 {[%emt 0:03:25]} Rfd8 {[%emt 0:07:10]} 21. Nc4 {[%emt 0:04:34]} a5 {[%emt 0:01:03]} 22. Bd4 {[%emt 0:06:01]} d5 {[%emt 0:01:46]} 23. exd5 {[%emt 0:00:57]} Bxd5 {[%emt 0:00:56]} 24. Ne3 {[%emt 0:02:35]} Bc5 {[%emt 0:02:28]} 25. Nxd5 {[%emt 0:04:58]} exd5 {[%emt 0:02:42] Black is weak on the light squares} 26. Bb5 {[%emt 0:01:00][%cal Od4g7]} Bxd4 {[%emt 0:00:35] The position is equal.} 27. Rxd4 {[%emt 0:01:08]} Nf6 {[%emt 0:00:57]} 28. Re1 {[%emt 0:00:54]} Rac8 {[%emt 0:02:00]} 29. Re2 {[%emt 0:00:56]} g6 {[%emt 0:00:52]} 30. Kg1 {[%emt 0:00:14]} Rc5 {[%emt 0:02:23]} 31. Kf2 {[%emt 0:00:59]} Rdc8 {[%emt 0:00:19]} 32. Rdd2 {[%emt 0:01:02]} Kf8 {[%emt 0:00:24]} 33. Ke1 {[%emt 0:00:43]} Nh5 {[%emt 0:02:18]} 34. g3 {[%emt 0:01:36]} Nf6 {[%emt 0:01:15]} 35. Kd1 {[%emt 0:00:29]} h6 {[%emt 0:01:56]} 36. Rd4 {[%emt 0:00:47]} Rc3 {[%emt 0:00:51]} 37. Rd3 {[%emt 0:00:12]} R3c5 {[%emt 0:00:24]} 38. Rd4 {[%emt 0:00:12]} Rc3 {[%emt 0:00:42]} 39. Rd3 {[%emt 0:00:12]} R3c5 {[%emt 0:00:04] Weighted Error Value: White=0.08 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.5"]
[White "Pycha, Patrik"]
[Black "Pavlis, Matej"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2029"]
[BlackElo "1868"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,145,11,23,14,7,4,17,20,68,54,70,56,185,93,93,96,102,88,85,88,84,62,75,56,57,58,92,100,118,112,129,114,171,106,107,44,43,39,34,0,2,0,31,0,34,0,0,0,16,23,127,8,0,0,125,125,156,145,147,145,144,0,145,145,145,145,145,143,143,143,142,0,145,136,137,84,138,127,127,127,127,127,133,122,133,117,153,153,153,149,153,153,149,143,285,284,339,327,334,325,458,511,672,667,664,665,687,664,650,648,627,619,967,966,811,764,991,962,840,821,4732,2618,1900,1739,29978,29980,29984,29985,29985,29986,29984,29983,29980,29981,29985,29983,29984,29985]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:10]} 2. Nf3 {[%emt 0:00:06]} d6 {[%emt 0:00:12]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:08]} a6 {[%emt 0:00:03]} 6. h4 {[%emt 0:02:39] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 {[%emt 0:03:09]} 7. Nb3 {[%emt 0:00:15]} Be6 {[%emt 0:00:49]} 8. f4 {[%emt 0:00:12][%cal Bf2f4,Bf4f5][%mdl 32] The position is equal.} Nbd7 {[%emt 0:04:10]} (8... exf4 $11 {should be considered.} 9. Bxf4 Nc6) 9. f5 $14 {[%emt 0:04:19]} Bxb3 {[%emt 0:00:10]} 10. axb3 {[%emt 0:00:12]} Nc5 {[%emt 0:00:23] [#]} (10... h5 $14) 11. Bg5 {[%emt 0:00:45]} (11. g4 $1 $18) 11... Be7 $16 {[%emt 0:00:26]} 12. Bxf6 {[%emt 0:00:31]} Bxf6 {[%emt 0:00:06] [#]} 13. Qg4 $146 {[%emt 0:02:38]} ({Predecessor:} 13. g3 Be7 14. Bc4 O-O 15. Qh5 Nd7 16. O-O-O Qa5 17. Nd5 Rae8 18. Kb1 b5 19. Bd3 {1-0 Karut,K (1835)-Skytte,R (1429) Krakow op-B 2022 (5)}) 13... h5 {[%emt 0:07:17]} 14. Qh3 {[%emt 0:00:55]} Rc8 {[%emt 0:00:45][%cal Od6d5]} 15. Bc4 {[%emt 0:03:05]} b5 {[%emt 0:02:25]} 16. Bd5 {[%emt 0:01:04]} b4 {[%emt 0:02:22]} 17. Nd1 {[%emt 0:01:47][%cal Bc3d1,Bd1e3,Be3c4][%mdl 32]} Be7 {[%emt 0:14:06]} 18. Ne3 {[%emt 0:03:14]} Rc7 {[%emt 0:05:48]} 19. Nc4 {[%emt 0:03:18]} Ra7 {[%emt 0:04:07] Black is weak on the light squares} 20. Qg3 {[%emt 0:00:59]} a5 {[%emt 0:08:04]} (20... Kf8 $16 {keeps fighting.} 21. Na5 Qb6) 21. Qf2 {[%emt 0:04:33]} (21. Qxg7 $18 Bf6 22. Qg3 (22. Bc6+ Ke7 $18)) 21... Qc7 {[%emt 0:01:46] Repels Bc6+} 22. Qd2 {[%emt 0:03:15]} (22. O-O $16) 22... Nd7 $1 $14 {[%emt 0:02:20]} 23. g3 {[%emt 0:03:48]} Nf6 {[%emt 0:01:03]} 24. Ne3 {[%emt 0:02:10]} Qc5 {[%emt 0:04:40]} 25. Ke2 {[%emt 0:05:31]} O-O {[%emt 0:02:24]} 26. Rhd1 {[%emt 0:00:49]} Rc8 {[%emt 0:00:29]} 27. Kf3 {[%emt 0:01:37]} Bd8 $1 {[%emt 0:04:42]} 28. Nc4 {[%emt 0:04:52][%cal Oc4d6]} Kf8 {[%emt 0:09:12]} 29. Qe3 {[%emt 0:02:52] Active counter play!} Ke7 {[%emt 0:03:03]} (29... Qc7 $11) 30. Qg5 {[%emt 0:04:54]} ({White should try} 30. Bxf7 $1 $16 {Black should prevent Be6.} Qxe3+ 31. Kxe3) 30... Kf8 $11 {[%emt 0:05:03] Hoping for ...Nxd5.} 31. Qe3 {[%emt 0:02:11]} Ke7 {[%emt 0:00:19] [#]} 32. Bxf7 $1 {[%emt 0:05:26][%mdl 576] Decoy} Ra6 {[%emt 0:11:47]} (32... Qxe3+ 33. Kxe3) 33. Bd5 $36 {[%emt 0:11:20][%mdl 2048] Black must now prevent Qg5. White is in control. Chess con chili.} Qxe3+ {[%emt 0:01:32]} 34. Kxe3 {[%emt 0:00:49]} Rc5 {[%emt 0:00:58]} 35. Bb7 {[%emt 0:04:19]} (35. Kf3 $16) 35... Ng4+ {[%emt 0:00:08]} (35... Ra7 $11 {keeps the balance.}) 36. Kf3 $16 {[%emt 0:01:00]} Ra7 {[%emt 0:00:11] [#]} 37. Bd5 {[%emt 0:01:49]} (37. Nxd6 Rxc2 38. Nc8+ Kf7 39. Bd5+ (39. Nxa7 $2 Rf2#) 39... Kf8 $19) 37... Bc7 {[%emt 0:00:50]} 38. Rd2 {[%emt 0:00:55]} Nf6 {[%emt 0:00:24]} 39. Ne3 {[%emt 0:02:02]} Bb6 {[%emt 0:00:41]} 40. Nc4 {[%emt 0:01:52]} Bc7 {[%emt 0:00:09]} 41. Ra4 {[%emt 0:00:32]} Rb5 {[%emt 0:01:45]} 42. Kg2 {[%emt 0:03:50]} (42. Rd3 $142) 42... Ng4 {[%emt 0:01:15]} (42... Nxd5 $142 43. exd5 (43. Rxd5 Rxd5 44. exd5 Kf6 $11) 43... Kf6) 43. Re2 {[%emt 0:01:07]} Nf6 {[%emt 0:00:08]} 44. Ne3 {[%emt 0:01:02]} Bb6 {[%emt 0:00:39]} 45. Bc4 {[%emt 0:00:23]} Rc5 {[%emt 0:00:27]} 46. Kf3 {[%emt 0:01:03]} Rc8 {[%emt 0:00:44]} 47. Be6 {[%emt 0:02:06]} Rc6 {[%emt 0:00:47]} 48. Nc4 {[%emt 0:00:36]} Bd8 {[%emt 0:01:21]} 49. Rd2 {[%emt 0:00:52]} Bc7 {[%emt 0:00:40]} 50. Rd1 {[%emt 0:00:41]} Rc5 {[%emt 0:00:29]} 51. Rda1 {[%emt 0:00:20]} Ra6 {[%emt 0:00:43]} (51... Rb7 $16 52. Ne3 (52. Nxa5 Rxc2 53. Ke3 Bxa5 $11) 52... Rb8) 52. Rxb4 $18 {[%emt 0:02:04] Strongly threatening Rb7.} d5 {[%emt 0:00:10]} 53. Bxd5 {[%emt 0:00:43]} Nxd5 {[%emt 0:00:09]} 54. exd5 {[%emt 0:00:14]} Rf6 {[%emt 0:00:09]} (54... Rxd5 $142 55. Ne3 (55. Rb7 Kd7 $18) 55... Rd4 56. Rxd4 exd4 57. Nd5+ Kd8 58. Nxc7 Kxc7) 55. Rb7 {[%emt 0:00:58][%csl LRa5,LRe5]} Kd8 {[%emt 0:00:37] [#]} 56. d6 {[%emt 0:01:09]} Bxd6 {[%emt 0:00:39]} 57. Rd1 {[%emt 0:00:18]} Kc8 {[%emt 0:00:17]} 58. Nxd6+ {[%emt 0:01:08]} Rxd6 {[%emt 0:00:03]} 59. Rxd6 {[%emt 0:00:08]} Kxb7 {[%emt 0:00:02][%mdl 4096] Endgame KR-KR} 60. c4 {[%emt 0:00:45]} a4 {[%emt 0:01:00]} 61. bxa4 {[%emt 0:01:04]} Rxc4 {[%emt 0:00:05]} 62. Re6 {[%emt 0:00:45]} Rxa4 {[%emt 0:00:38]} 63. Rxe5 {[%emt 0:00:10]} Rb4 {[%emt 0:00:18]} 64. Re7+ {[%emt 0:00:12]} Kc8 {[%emt 0:00:09]} 65. Rxg7 {[%emt 0:00:07]} Rb3+ {[%emt 0:00:08]} 66. Kf4 {[%emt 0:00:06] White threatens f6 and mate.} Rb4+ {[%emt 0:00:03]} 67. Kg5 {[%emt 0:00:09] White mates.} Rg4+ {[%emt 0:00:01]} 68. Kh6 {[%emt 0:00:16]} Rb4 {[%emt 0:00:14]} 69. Kxh5 {[%emt 0:00:07]} Rxb2 {[%emt 0:00:03]} 70. Re7 {[%emt 0:00:08]} Kd8 {[%emt 0:00:04]} 71. Re4 {[%emt 0:00:11]} Rg2 {[%emt 0:00:35]} 72. g4 {[%emt 0:00:06][%cal Bg3g4,Bg4g5][%mdl 32]} Kd7 {[%emt 0:00:08]} 73. g5 {[%emt 0:00:09] Weighted Error Value: White=0.20 (precise) /Black=0.29 (precise)} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.1"]
[White "Broz, Petr"]
[Black "Pavlis, Matej"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1993"]
[BlackElo "1868"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,85,9,8,8,12,10,51,51,36,54,47,38,113,117,109,120,108,7,0,0,0,-38,-22,-88,144,150,471,-104,0,0,376,362,424,445,407,79,86,-32,-30,-42,-32,-200,-204,-280,-281,-283,-268,-258,-261,-402,-350,-339,-369,-342,-350,-331,-331,-424,-415,-378,-345,-336,-454,-332,0,0,414,392,29985,29986,29979,29970,29993,543,29992,29991,29991,29992]} 1. e4 {[%emt 0:00:11]} c5 {[%emt 0:00:28]} 2. Nf3 {[%emt 0:00:19]} d6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:18]} 4. e5 {[%emt 0:00:19]} dxe5 {[%emt 0:05:45]} 5. Nxe5 {[%emt 0:00:23]} a6 {[%emt 0:00:22]} (5... e6 {is interesting.} 6. Bb5+ Bd7 7. Qf3 Qc7) 6. g3 {[%emt 0:04:52] B50: Sicilian: 2...d6, Miscellaneous.} Qc7 {[%emt 0:00:34]} 7. d4 {[%emt 0:10:09]} cxd4 {[%emt 0:00:35]} (7... e6 $5 {[%cal Rc5d4]}) 8. Qxd4 {[%emt 0:00:18] White is slightly better.} Nc6 {[%emt 0:01:03]} 9. Nxc6 {[%emt 0:00:08]} Qxc6 {[%emt 0:00:01]} 10. Rg1 {[%emt 0:00:11]} Bf5 {[%emt 0:05:34]} ({Black should play} 10... Bg4 $14) 11. Bg2 $16 {[%emt 0:00:45]} Qe6+ {[%emt 0:00:32]} 12. Be3 $1 {[%emt 0:01:36]} Rd8 {[%emt 0:05:20] [#]} (12... Bxc2 $2 13. Bxb7 Rd8 14. Qa7 $18 (14. Qc5 Nd7 $16)) 13. Qa4+ $146 {[%emt 0:00:42][%mdl 128] White attacks.} (13. Qb6 $6 Qxb6 14. Bxb6 Rd7 $11) (13. Qa7 $1 $16) ({Predecessor:} 13. Qb6 Qxb6 14. Bxb6 Rd7 15. Rd1 Bxc2 16. Rc1 Bf5 17. Na4 Rd6 18. Bxb7 e5 19. Bc5 {0-1 Lomasov,S (2528)-Tomczak,J (2605) Molodezhka-POL online blitz 2020}) 13... b5 $11 {[%emt 0:00:10]} 14. Nxb5 {[%emt 0:00:36]} axb5 {[%emt 0:00:34]} 15. Qxb5+ {[%emt 0:00:05]} Nd7 $1 {[%emt 0:00:32]} 16. O-O-O {[%emt 0:00:10]} (16. Rd1 $1 $11 {keeps the balance.}) 16... Rc8 $2 {[%emt 0:04:38]} (16... Rb8 $1 $17 {[%cal Rb8b5]} 17. Qa4 Rc8) 17. c3 $16 {[%emt 0:03:51][%cal Og3g4] aiming for g4!} Qe5 $2 {[%emt 0:03:55]} (17... Qf6 $16) 18. Qb3 $2 {[%emt 0:14:35] Active counter play!} (18. Rd5 $18 Qb8 19. Rxf5) 18... Be6 {[%emt 0:03:03]} (18... Qc7 $1 $17 19. Qa4 Qc4 20. Qxc4 Rxc4) 19. Bd5 $11 {[%emt 0:02:33] Hoping for Bf4.} Bxd5 $4 {[%emt 0:00:34][%mdl 8192]} (19... g5 $11 {and Black is okay.}) 20. Rxd5 $18 {[%emt 0:00:10]} Qe6 {[%emt 0:13:30]} 21. Rgd1 {[%emt 0:00:18]} Nb8 {[%emt 0:01:12]} 22. Qb5+ $2 {[%emt 0:04:04]} (22. Bb6 $18 {White threatens Rd8+ and mate.} Nc6 23. Qc4) 22... Nc6 $16 {[%emt 0:00:36]} 23. Bb6 {[%emt 0:00:17]} ({White should try} 23. Rd7 $1 $16 {And now Qb7 would win.} f6 24. Bf4) 23... f6 $15 {[%emt 0:00:43]} 24. f4 {[%emt 0:03:58] f5 would be deadly.} g6 {[%emt 0:00:45]} 25. g4 $2 {[%emt 0:00:05]} Kf7 $19 {[%emt 0:00:50]} (25... Qxg4 26. Rd8+ Kf7 27. Qc4+ Kg7 28. Rxc8 Qxc8 29. a4 $17) 26. f5 {[%emt 0:00:21]} Bh6+ {[%emt 0:00:10]} 27. Kb1 {[%emt 0:00:24]} Qe4+ {[%emt 0:00:06]} 28. Ka1 {[%emt 0:00:03]} Ne5 {[%emt 0:03:05]} 29. Bd4 {[%emt 0:03:13]} (29. R5d4 $142 Qc6 30. Qb3+ Kg7 31. Rb4) 29... Rb8 {[%emt 0:03:14]} ({Weaker is} 29... gxf5 30. Bxe5 Qc4 31. Bd4 $11) 30. Rxe5 {[%emt 0:00:31]} fxe5 {[%emt 0:01:24][%cal Bf6e5,Be5d4][%mdl 32]} 31. fxg6+ {[%emt 0:00:04]} Kxg6 {[%emt 0:03:22]} 32. Qa6+ {[%emt 0:01:15] [#]} Kf7 $1 {[%emt 0:03:34]} 33. Qxh6 {[%emt 0:04:27] Black must now prevent Rf1+.} exd4 {[%emt 0:01:10]} 34. Qh5+ {[%emt 0:02:14]} Kg7 {[%emt 0:03:01]} ({Don't go for} 34... Qg6 $2 35. Rf1+ Kg8 36. Qd5+ e6 37. Qxd4 $19) 35. Qg5+ {[%emt 0:03:46] [#]} Kf8 $1 {[%emt 0:00:39]} 36. Qh6+ {[%emt 0:00:07]} Ke8 $2 {[%emt 0:00:11]} (36... Kg8 $19 37. Qg5+ Kf7 38. Qh5+ Ke6 39. Qh6+ Qg6) 37. Qh5+ $11 {[%emt 0:00:05]} Qg6 $2 {[%emt 0:00:08][%mdl 8192]} (37... Kf8 $1 $11 {and Black has nothing to worry.} 38. Rf1+ Kg7 39. Qf7+ Kh6 40. Qh5+ Kg7 41. Qf7+ Kh6 42. Qh5+ Kg7) 38. Qe5 $18 {[%emt 0:00:08]} (38. cxd4 $2 {perishes.} Qxh5 39. gxh5 Rg8 $19) 38... Qc2 $2 {[%emt 0:27:15]} (38... Qb6 $18 39. Qxh8+ Kd7 40. Qxd4+ Qxd4 41. Rxd4+ Kc6) 39. Qxb8+ {[%emt 0:00:16]} Kd7 {[%emt 0:00:07]} 40. Qa7+ {[%emt 0:01:22]} (40. Qxh8 $2 Qxd1#) 40... Ke6 {[%emt 0:00:23]} 41. Qxd4 {[%emt 0:01:22]} (41. Re1+ $142 Qe4 42. Rxe4+ Kd5 43. Qb7+ Kd6 44. Rxe7 Kc5 45. Qc7+ Kb5 46. Re5+ Ka6 47. Ra5#) 41... Rb8 {[%emt 0:00:06][%csl Gb8][%cal Rc2b2]} 42. Re1+ {[%emt 0:00:20]} Kf7 {[%emt 0:01:15]} 43. Qf4+ {[%emt 0:00:05] An interesting game.   Weighted Error Value: White=0.61/Black=0.88} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.2"]
[White "Hlavac, Rudolf"]
[Black "Pycha, Patrik"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "1985"]
[BlackElo "2029"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 29,86,0,0,0,0,-33,0,-13,-14,0,-6,-4,-21,-33,-41,-143,-136,-138,-132,-147,-131,-123,-39,-30,-27,-41,-38,-22,-16,-38,-50,-65,62,-200,-83,-72,-85,-79,-39,-45,-34,-32,0,-1042,-1140,-1117,-1044,-1058,-1047,-1023,-1010,-29980,-29981,-29981,-29982,-29964,-1829,-29990,-29991]} 1. e4 {[%emt 0:06:20]} e6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:16]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:20]} Nf6 {[%emt 0:00:07]} 4. e5 {[%emt 0:00:19]} Nfd7 {[%emt 0:00:05]} 5. c3 {[%emt 0:00:16]} c5 {[%emt 0:00:04]} 6. Bd3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:05]} 7. Ne2 {[%emt 0:00:23]} cxd4 {[%emt 0:00:04]} 8. cxd4 {[%emt 0:00:17]} f6 {[%emt 0:00:05]} 9. exf6 {[%emt 0:00:11]} Nxf6 {[%emt 0:00:06]} 10. O-O {[%emt 0:00:13]} Bd6 {[%emt 0:00:02]} 11. Nf3 {[%emt 0:00:21]} Qc7 {[%emt 0:00:04]} 12. Nc3 {[%emt 0:00:14]} a6 {[%emt 0:00:04]} 13. Bg5 {[%emt 0:00:12]} O-O {[%emt 0:00:06]} 14. Bh4 {[%emt 0:00:11]} Nh5 {[%emt 0:00:03]} 15. Rc1 {[%emt 0:02:11]} g6 {[%emt 0:00:11]} 16. Re1 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} Qg7 {[%emt 0:01:17]} 17. Be2 {[%emt 0:03:10]} Bf4 {[%emt 0:01:53]} 18. Rb1 {[%emt 0:00:12] [#] The position is equal.} h6 $146 {[%emt 0:02:27]} ({Predecessor:} 18... Bd6 19. a3 Rf4 20. Bg3 Nxg3 21. hxg3 Rf6 22. Rc1 Bd7 23. Na4 Raf8 24. Nc5 Bxc5 25. Rxc5 g5 26. g4 Rf4 27. Qb3 Nxd4 28. Qxb7 Nxf3+ 29. Bxf3 Bc8 30. Qxg7+ {½-½ Hlavac,R (2003)-Pycha,P (1994) Czech Fed-ch opA 2013 (8)}) 19. Bg3 {[%emt 0:06:43]} Nxg3 {[%emt 0:00:42]} 20. hxg3 {[%emt 0:00:37]} Bd6 {[%emt 0:00:30][%cal Bf4d6,Bd6c5,Bc5a7][%mdl 32]} 21. a3 {[%emt 0:06:39]} g5 {[%emt 0:02:20]} 22. Bf1 {[%emt 0:12:19]} (22. Na4 $15) 22... g4 $17 {[%emt 0:06:49]} 23. Ne5 {[%emt 0:00:35]} Nxe5 {[%emt 0:02:38]} 24. dxe5 {[%emt 0:00:17]} Bc5 {[%emt 0:01:01]} ({But not} 24... Bxe5 $6 25. Nxd5 Kh8 26. Nf4 (26. Nb6 $2 Bd4 $19) 26... Bxf4 27. gxf4 $14) 25. Re2 {[%emt 0:01:19][%cal Oc3d5]} Kh8 {[%emt 0:05:49] Black is more active.} (25... Ba7 $17 {Hoping for ...Bd7.} 26. Rc1 Bd7 27. Nxd5 exd5 28. Qxd5+ Kh8 29. Qxb7 Bb5 30. Qxg7+ Kxg7) 26. b4 $15 {[%emt 0:05:26]} Ba7 {[%emt 0:00:22]} 27. Na4 $1 {[%emt 0:03:31]} Bd7 {[%emt 0:05:41] [#] Threatens to win with ...Bxa4.} 28. Nc5 {[%emt 0:00:42]} Rac8 {[%emt 0:01:36]} 29. Qd4 {[%emt 0:03:38]} h5 {[%emt 0:03:21]} 30. Rc1 {[%emt 0:04:18]} b6 {[%emt 0:04:54]} ({Better is} 30... Bb5 $15 31. Rec2 Bxf1 32. Rxf1 Rc7) 31. Nb3 $2 {[%emt 0:01:23][%mdl 8192] [#]} (31. Nxd7 $1 $14 {was forced to keep a grip.} Qxd7 32. Rxc8 Rxc8 33. b5) 31... Rxc1 {[%emt 0:01:12]} (31... Ba4 $1 $19 {[%cal Ra4b3] is more deadly.} 32. Rxc8 Rxc8) 32. Nxc1 $17 {[%emt 0:00:05]} Bb5 {[%emt 0:00:24]} 33. Rc2 {[%emt 0:02:53] Black must now prevent Bxb5.} Bxf1 {[%emt 0:03:52]} (33... Bc4 $5 {[%cal Rb6b5]} 34. b5 (34. Bxc4 $2 b5 $19 {[%mdl 64] Discovered Attack}) 34... axb5 $15) 34. Kxf1 {[%emt 0:07:44][%cal Ob4b5]} b5 $36 {[%emt 0:00:20][%mdl 2048] Black has good play.} 35. Qc3 {[%emt 0:00:50]} h4 {[%emt 0:05:07]} 36. Nb3 $2 {[%emt 0:03:55][%mdl 8192]} (36. gxh4 $11 g3 37. f3) 36... Qh7 $19 {[%emt 0:09:48] ...h3 is the strong threat.} 37. gxh4 {[%emt 0:05:54]} g3 {[%emt 0:00:51][%cal Ra7f2]} 38. f3 {[%emt 0:05:06]} Qxh4 {[%emt 0:02:16] ( -> ...Qh1+)} 39. Ke2 Qh1 {[%emt 0:02:51]} 40. Nc5 {[%emt 0:02:56]} Qxg2+ {[%emt 0:00:59]} 41. Kd1 {[%emt 0:01:53]} Qf1+ {[%emt 0:00:47]} 42. Qe1 {[%emt 0:01:56]} g2 {[%emt 0:02:18]} (42... Rxf3 $142 43. a4 g2 44. Rxg2 Qxg2 45. Nb3 Rf1 46. Qxf1 Qxf1+ 47. Kd2 Qf2+ 48. Kd3 Be3 49. a5 Bf4 50. Kc3 Qe2 51. Nd2 Qxd2+ 52. Kb3 Bxe5 53. Ka3 Qb2#) 43. Re2 {[%emt 0:03:49]} g1=Q {Weighted Error Value: White=0.74/Black=0.28 (precise)} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.3"]
[White "Juracak, David"]
[Black "Matejovsky, Ondrej"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "1820"]
[BlackElo "1931"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 18,40,30,11,10,7,14,0,0,-4,0,0,0,-36,-13,-62,-45,-63,-97,-162,-165,-465,-463,-446,-462]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:19]} 2. c4 {[%emt 0:00:09]} e6 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:15]} 4. Nc3 {[%emt 0:00:08]} Be7 {[%emt 0:00:20]} 5. Bg5 {[%emt 0:00:42]} h6 {[%emt 0:00:46]} 6. Bh4 {[%emt 0:00:16]} O-O {[%emt 0:00:56]} 7. e3 {[%emt 0:00:21]} Nbd7 {[%emt 0:02:52]} 8. Rc1 {[%emt 0:03:10]} c6 {[%emt 0:08:33]} 9. Bd3 {[%emt 0:01:33]} b6 {[%emt 0:02:58]} 10. O-O {[%emt 0:00:27]} Bb7 {[%emt 0:00:35] D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3).} 11. Re1 {[%emt 0:08:14]} c5 {[%emt 0:04:31]} 12. cxd5 {[%emt 0:07:26] [#]} Nxd5 $146 {[%emt 0:03:39] The position is equal.} ({Predecessor:} 12... exd5 13. dxc5 Nxc5 14. Bxf6 Bxf6 15. Qc2 Re8 16. Nd4 g6 17. b4 Ne6 18. a4 Nxd4 19. exd4 Rxe1+ 20. Rxe1 Bxd4 {0-1 Mikulas,R (1763)-Gergely,A (1752) HUN-chT U18 Miskolc 2008 (5.13)}) 13. Bxe7 {[%emt 0:01:14]} Qxe7 {[%emt 0:00:26]} 14. Nxd5 {[%emt 0:06:38]} Bxd5 {[%emt 0:01:47]} 15. b3 {[%emt 0:00:45]} cxd4 {[%emt 0:05:07]} 16. e4 {[%emt 0:07:06]} (16. Nxd4 $11 {feels stronger.} Rac8 17. f3) 16... Bb7 $15 {[%emt 0:05:35]} 17. Nxd4 {[%emt 0:09:44]} Nc5 {[%emt 0:04:04] Strongly threatening ...Rad8.} 18. Rc3 {[%emt 0:03:45]} (18. Qd2 $17) 18... Rfd8 $19 {[%emt 0:02:25]} 19. Bb1 $2 {[%emt 0:04:36]} (19. Bc2) 19... Qd7 {[%emt 0:05:49]} 20. b4 {[%emt 0:00:58] [#]} Na4 $1 {[%emt 0:10:39] Weighted Error Value: White=0.49/Black=0.04 (flawless)} ({And not} 20... Qxd4 21. Qxd4 Rxd4 22. bxc5 $17) 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.4"]
[White "Pressler, Tobias"]
[Black "Zednicek, Filip"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2096"]
[BlackElo "1885"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,82,0,-4,0,-15,0,-36,-34,-41,-42,-59,-48,-85,-79,-238,-115,-270,-266,-267,-262,-266,-268,-262,-263,-326,-312,-346,-343,-397,-379,-384,-384,-437,-443,-422,-419,-508,-503,-493,-495,-497,-433,-405,0,-496,-506,-670,-563,-669,-655,-643,-416,-414,-409,-484,-470,-497,-475,-525,-519,-492,-477,-605,-460,-578,-554,-1541,-1455,-29994,-1105]} 1. d4 {[%emt 0:00:46]} d5 {[%emt 0:00:09]} 2. e3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:05]} 3. Bd3 {[%emt 0:00:06]} e6 {[%emt 0:00:09]} 4. f4 {[%emt 0:00:46]} Be7 {[%emt 0:00:31]} 5. Nf3 {[%emt 0:00:29]} b6 {[%emt 0:00:16]} 6. O-O {[%emt 0:00:40][%cal Bh1f1,Bf1f3,Bf3h3,Bh3h6][%mdl 32]} O-O {[%emt 0:00:16]} 7. Nbd2 {[%emt 0:00:40]} Bb7 {[%emt 0:00:16]} 8. Ne5 {[%emt 0:00:51]} c5 {[%emt 0:02:28] D05: Colle System with ...e6.} 9. c3 {[%emt 0:00:06]} Nbd7 {[%emt 0:01:04]} 10. Rf3 {[%emt 0:04:19]} Ne4 {[%emt 0:01:13] Black is slightly better.} 11. Rh3 {[%emt 0:03:12]} g6 {[%emt 0:09:43]} 12. Qf3 {[%emt 0:20:05][%cal Rd2e4]} f5 {[%emt 0:08:19] [#]} (12... Nxe5 {simplifies} 13. dxe5 Qd7 14. Qe2 Rfd8) 13. Rh6 $146 ({Predecessor:} 13. g4 Nxe5 14. dxe5 Qd7 15. Qe2 Rad8 16. Bb5 Bc6 17. Bxc6 Qxc6 18. g5 Qa4 19. Nb3 {½-½ Garcia Ortega,N (1446)-Avila Fraire,A (1976) Villahermosa Mexican op (Women) 2021 (4)}) 13... Nxe5 {[%emt 0:01:01]} 14. fxe5 {[%emt 0:11:31]} (14. dxe5 $17 Qd7 15. Qe2) 14... cxd4 {[%emt 0:06:56]} (14... Kg7 $19 {and Black stays clearly on top.} 15. Rh3 Ng5) 15. cxd4 $2 {[%emt 0:03:12]} (15. exd4 $17 {was forced.} Bg5 16. Nb3) 15... Kg7 $19 {[%emt 0:02:31]} 16. Rh3 {[%emt 0:07:55]} Ng5 {[%emt 0:01:24][%csl LRf3,LRh3][%mdl 64] [#] Deflection, Double Attack} 17. Qe2 {[%emt 0:00:12]} Nxh3+ {[%emt 0:00:22]} 18. gxh3 {[%emt 0:00:04]} a5 {[%emt 0:10:02]} 19. Nf1 {[%emt 0:01:29]} Qc8 {[%emt 0:01:47]} 20. Bd2 {[%emt 0:02:20]} Ba6 {[%emt 0:02:29]} 21. Rc1 {[%emt 0:01:33]} Bxd3 {[%emt 0:00:09]} 22. Qxd3 {[%emt 0:00:05]} Qd7 {[%emt 0:00:56]} 23. Qb3 {[%emt 0:00:15]} b5 {[%emt 0:01:05][%cal Bb6b5,Bb5b4][%mdl 32]} 24. Ng3 {[%emt 0:00:22]} Rfc8 {[%emt 0:00:37]} 25. Rf1 {[%emt 0:01:44]} b4 {[%emt 0:07:00]} 26. Ne2 {[%emt 0:00:34]} Rc4 27. Nf4 {[%emt 0:05:56]} Bg5 {[%emt 0:10:09]} 28. Nd3 {[%emt 0:00:04]} Be7 {[%emt 0:06:31]} 29. Nf4 {[%emt 0:00:46]} Rac8 {[%emt 0:00:32]} 30. Rf2 {[%emt 0:01:18]} Bh4 {[%emt 0:01:30]} 31. Re2 {[%emt 0:00:54]} Kf7 {[%emt 0:04:55]} 32. Nd3 {[%emt 0:00:19]} Be7 {[%emt 0:00:55]} 33. Ne1 {[%emt 0:01:30]} R4c7 {[%emt 0:04:04]} 34. Qd3 {[%emt 0:02:43]} Qc6 {[%emt 0:02:49]} 35. b3 {[%emt 0:00:57]} Qb6 {[%emt 0:01:18]} 36. Kg2 {[%emt 0:02:48]} Rc6 {[%emt 0:00:11]} 37. Qb1 {[%emt 0:01:42]} Qb5 {[%emt 0:00:36]} 38. Qd1 {[%emt 0:00:13]} R6c7 {[%emt 0:01:34]} 39. Kg1 {[%emt 0:00:44]} Ra8 {[%emt 0:00:23]} 40. Bc1 {[%emt 0:01:41] [#]} Rxc1 $1 {[%emt 0:00:25][%mdl 576] Deflection} 41. Kf1 (41. Qd2 a4) 41... Rcc8 {Black took control after the opening.   Weighted Error Value: White=0.71/Black=0.40} (41... Rxd1 $142 42. Kf2 Bh4+ {[%mdl 64] Skewer, Deflection} 43. Kf3 Rd2 44. Nd3 Qxd3 45. Rxd2 Qf1+ 46. Rf2 Qxf2#) 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.5"]
[White "Sadil, Antonin"]
[Black "Mrkvan, Frantisek"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1683"]
[BlackElo "1727"]
[Annotator "NA RC COMBH"]
[PlyCount "76"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:35]} c6 {[%emt 0:00:38]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:05]} 3. exd5 {[%emt 0:00:06]} cxd5 {[%emt 0:00:05]} 4. Bd3 {[%emt 0:00:08]} Nc6 {[%emt 0:01:04]} 5. c3 {[%emt 0:00:12]} Nf6 {[%emt 0:01:03]} 6. h3 {[%emt 0:00:22]} e6 {[%emt 0:00:56]} 7. Nf3 {[%emt 0:00:32]} Bd6 {[%emt 0:00:23]} 8. O-O {[%emt 0:01:36]} O-O {[%emt 0:00:17]} 9. Re1 {[%emt 0:01:28]} h6 {[%emt 0:01:23]} 10. Nbd2 {[%emt 0:00:42]} Qc7 {[%emt 0:02:54]} 11. Qe2 {[%emt 0:02:28]} Nd7 {[%emt 0:06:27]} 12. Nf1 {[%emt 0:09:51]} Re8 {[%emt 0:01:19]} 13. Nh4 {[%emt 0:03:18]} Nf6 {[%emt 0:01:41]} 14. Bb5 {[%emt 0:06:23]} a6 {[%emt 0:02:06]} 15. Bxc6 {[%emt 0:00:13]} bxc6 {[%emt 0:00:30]} 16. Nf3 {[%emt 0:02:12]} a5 {[%emt 0:04:43]} 17. Ne5 {[%emt 0:01:50]} Ba6 {[%emt 0:03:52]} 18. Qf3 {[%emt 0:00:21]} Bxe5 {[%emt 0:14:41]} 19. dxe5 {[%emt 0:01:22]} Nd7 {[%emt 0:00:24]} 20. Qg3 {[%emt 0:01:17]} Kh7 {[%emt 0:00:15]} 21. b3 {[%emt 0:10:40]} Nc5 {[%emt 0:07:01]} 22. Ba3 {[%emt 0:01:52]} Ne4 {[%emt 0:10:51]} 23. Qe3 {[%emt 0:01:46]} Bxf1 {[%emt 0:00:28]} 24. Bd6 {[%emt 0:06:30]} Nxd6 {[%emt 0:00:15]} 25. exd6 {[%emt 0:00:10]} Qxd6 {[%emt 0:00:04]} 26. Kxf1 {[%emt 0:00:24]} e5 {[%emt 0:02:40]} 27. Rad1 {[%emt 0:00:28]} Qe6 {[%emt 0:00:54]} 28. Qc5 {[%emt 0:01:48]} f5 {[%emt 0:01:58]} 29. Rd4 {[%emt 0:01:23]} exd4 {[%emt 0:11:37]} 30. Rxe6 {[%emt 0:00:36]} Rxe6 {[%emt 0:00:05]} 31. cxd4 {[%emt 0:00:49]} g5 {[%emt 0:01:39]} 32. g3 {[%emt 0:00:53]} a4 {[%emt 0:04:01]} 33. bxa4 {[%emt 0:00:31]} Rxa4 {[%emt 0:01:07]} 34. Qc2 {[%emt 0:00:40]} Rxd4 {[%emt 0:00:21]} 35. Qxf5+ {[%emt 0:00:10]} Rg6 {[%emt 0:00:07]} 36. Qd7+ {[%emt 0:01:47]} Kg8 {[%emt 0:00:42]} 37. Qe8+ {[%emt 0:01:03]} Kh7 {[%emt 0:00:30]} 38. Qd7+ {[%emt 0:01:03]} Kg8 {[%emt 0:00:12]} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.1"]
[White "Mrkvan, Frantisek"]
[Black "Broz, Petr"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1727"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,41,16,16,22,17,15,10,47,22,44,24,360,356,328,325,425,428,421,429,455,424,633,625,616,604,643,620]} 1. e4 {[%emt 0:00:04][%cal Be2e4,Be4e5][%mdl 32]} e6 {[%emt 0:00:16]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:12]} 3. Nc3 {[%emt 0:00:34]} Nf6 {[%emt 0:00:24]} 4. e5 {[%emt 0:00:23]} Nfd7 {[%emt 0:00:14]} 5. f4 {[%emt 0:00:37]} c5 {[%emt 0:01:38]} 6. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:14]} 7. Be3 {[%emt 0:00:15]} Be7 {[%emt 0:00:10]} 8. Qd2 {[%emt 0:00:16]} O-O {[%emt 0:00:17]} 9. dxc5 {[%emt 0:00:28]} Nxc5 {[%emt 0:00:09] C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} 10. O-O-O {[%emt 0:00:35]} a6 {[%emt 0:00:30]} 11. Kb1 {[%emt 0:01:38]} b5 {[%emt 0:01:44] The position is equal.} 12. Bxc5 {[%emt 0:03:16] 12.Qf2 is vanishing.} Bxc5 {[%emt 0:00:23]} 13. Bd3 {[%emt 0:00:16][%cal Od3h7] [#] aiming for Bxh7+!} Qb6 $146 {[%emt 0:04:24][%mdl 8192] [#]} (13... Qc7 $11 {and Black has nothing to worry.}) ({Predecessor:} 13... f5 14. exf6 Qxf6 15. g3 Bb4 16. Ng5 g6 17. Rhe1 d4 18. Nce4 Qg7 19. Qe2 Bxe1 20. Rxe1 {1-0 Preotu,R (2487)-Nyzhnyk,I (2665) US Collegiate Blitz 2020 (7)}) 14. Bxh7+ $1 $18 {[%emt 0:06:00][%mdl 576] Decoy} Kh8 {[%emt 0:05:25]} (14... Kxh7 $2 15. Ng5+ Kg8 16. Qd3 $18) 15. Bd3 {[%emt 0:06:27]} Be3 {[%emt 0:00:29]} 16. Qe1 {[%emt 0:00:10] White is clearly winning.} Bf2 {[%emt 0:03:55] Inhibits Qh4+.} 17. Qe2 {[%emt 0:00:34]} Qe3 {[%emt 0:00:25] [#]} 18. Qf1 {[%emt 0:06:25]} Nd4 {[%emt 0:00:10]} (18... b4 $142) 19. Nxd4 Qxd4 {[%emt 0:00:05]} 20. Qe2 {[%emt 0:01:17] Intending Qh5+ and mate.} f5 {[%emt 0:01:17]} 21. Rhf1 {[%emt 0:06:31] White took control after the opening.   Weighted Error Value: White=0.00 (flawless) /Black=0.88} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.2"]
[White "Zednicek, Filip"]
[Black "Sadil, Antonin"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1885"]
[BlackElo "1683"]
[Annotator "NA RC COMBH"]
[PlyCount "58"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:01]} c6 {[%emt 0:00:14]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:05]} 3. exd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:05]} 4. c4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:04]} g6 {[%emt 0:00:08]} 6. Bg5 {[%emt 0:00:09]} Bg7 {[%emt 0:00:14]} 7. Nf3 {[%emt 0:05:09]} dxc4 {[%emt 0:02:04]} 8. Bxc4 {[%emt 0:00:09]} O-O {[%emt 0:01:00]} 9. O-O {[%emt 0:00:14]} Bg4 {[%emt 0:02:40]} 10. d5 {[%emt 0:00:50]} Nbd7 {[%emt 0:01:03]} 11. h3 {[%emt 0:00:28]} Bxf3 {[%emt 0:02:07]} 12. Qxf3 {[%emt 0:00:25]} Ne5 {[%emt 0:00:33]} 13. Qe2 {[%emt 0:00:13]} Nxc4 {[%emt 0:00:30]} 14. Qxc4 {[%emt 0:00:02]} Rc8 {[%emt 0:01:40]} 15. Qb3 {[%emt 0:00:42]} Qd7 {[%emt 0:02:38]} 16. Rfe1 {[%emt 0:00:38]} Rfd8 {[%emt 0:04:41]} 17. Rad1 {[%emt 0:01:12]} b6 {[%emt 0:01:36]} 18. Re2 {[%emt 0:04:51]} Qf5 {[%emt 0:02:12]} 19. Bc1 {[%emt 0:03:33]} Rd7 {[%emt 0:04:07]} 20. Rde1 {[%emt 0:02:49]} Nxd5 {[%emt 0:01:33]} 21. g4 {[%emt 0:02:06]} Nxc3 {[%emt 0:00:20]} 22. gxf5 {[%emt 0:00:15]} Nxe2+ {[%emt 0:00:21]} 23. Rxe2 {[%emt 0:00:02]} Rxc1+ {[%emt 0:00:18]} 24. Kg2 {[%emt 0:00:17]} Bf6 {[%emt 0:07:19]} 25. fxg6 {[%emt 0:00:42]} hxg6 {[%emt 0:00:13]} 26. Qa4 {[%emt 0:01:09]} Rcc7 {[%emt 0:04:21]} 27. Qf4 {[%emt 0:11:03]} Kg7 {[%emt 0:02:57]} 28. b3 {[%emt 0:00:36]} Rc5 {[%emt 0:01:27]} 29. Rd2 {[%emt 0:05:16]} Bg5 {[%emt 0:01:30]} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.3"]
[White "Matejovsky, Ondrej"]
[Black "Pressler, Tobias"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1931"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,135,0,0,7,12,18,0,0,0,39,12,29,15,3,0,1,-17,-6,-40,-14,-16,-8,-34,-25,-34,-4,-12,-8,-16,-9,-22,0,0,8,0,225,227,217,221,295,295,300,196,319,315,370,380,372,316,308,202,280,294,287,275,283,191,201,207,264,225,220,158,185,186,295,287,295,304,323,310,306,267,398,397,425,347,343,343,704,669,1677,295,313,280,662,459,445,425,558,522,525,534,574,497,761,280,389,0,778,508,774,255,1741,1734,1295,1156,1825,1825,1737,1389,1056,1042,29984,29985,29985,29986,29991,29992,29994,29995,29995,29996,29996,29997,29997,29997]} 1. e4 {[%emt 0:00:04]} e6 {[%emt 0:00:36]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:35]} 3. exd5 {[%emt 0:00:19]} exd5 {[%emt 0:00:13]} 4. Bd3 {[%emt 0:00:08]} c5 {[%emt 0:00:43]} 5. c3 {[%emt 0:00:50]} cxd4 {[%emt 0:00:48]} 6. cxd4 {[%emt 0:00:16]} Bd6 {[%emt 0:01:46] C01: French: Exchange Variation.} 7. Nc3 {[%emt 0:01:42]} Be6 {[%emt 0:01:54]} 8. Nf3 {[%emt 0:02:21]} Ne7 {[%emt 0:01:30] The position is equal.} 9. O-O {[%emt 0:04:24] [#]} h6 $146 {[%emt 0:00:08] Prevents Ng5.} ({Predecessor:} 9... O-O 10. Bxh7+ Kxh7 11. Ng5+ Kg6 12. h4 Rh8 13. f4 Nf5 14. g4 Ng3 15. f5+ Bxf5 16. gxf5+ {1-0 Calcina,J-Bowen,P Checkmate Covid Rematch blitz 2021}) 10. Nb5 {[%emt 0:03:55]} O-O {[%emt 0:01:11]} 11. Nxd6 {[%emt 0:00:43]} (11. Ne5 {feels hotter.} f6 12. Ng6 Nxg6 13. Bxg6 Nc6 14. Re1) 11... Qxd6 {[%emt 0:00:04]} 12. h3 {[%emt 0:04:30]} Nbc6 {[%emt 0:00:21]} 13. Be3 {[%emt 0:01:47]} Bf5 {[%emt 0:02:25]} 14. a3 {[%emt 0:03:32]} Rac8 {[%emt 0:03:25]} 15. Bxf5 {[%emt 0:21:36]} Nxf5 {[%emt 0:00:13]} 16. Qd2 {[%emt 0:00:29]} (16. Qd3 {looks sharper.} Qg6 17. Rad1 Rfe8 18. Ne5) 16... Qf6 {[%emt 0:05:36]} 17. Qd3 {[%emt 0:05:43]} b6 {[%emt 0:16:34]} 18. Rac1 {[%emt 0:03:15]} Rfe8 {[%emt 0:03:05]} 19. Rfe1 {[%emt 0:06:13]} Nd6 {[%emt 0:05:16]} 20. Nd2 {[%emt 0:02:09]} Re7 {[%emt 0:15:36]} 21. Rc2 {[%emt 0:05:51]} Nf5 {[%emt 0:14:51][%cal Rf5d4]} 22. Nf3 {[%emt 0:00:57]} Rce8 $2 {[%emt 0:00:57] [#] Black is on the road to losing.} (22... Ree8 $11 {and Black stays safe.}) 23. Rxc6 $1 $18 {[%emt 0:01:26][%mdl 576] Deflection} Qxc6 {[%emt 0:00:14]} 24. Qxf5 {[%emt 0:00:07]} Qc4 {[%emt 0:00:56]} 25. Rc1 {[%emt 0:04:45]} Qb3 {[%emt 0:00:39]} 26. Qc2 {[%emt 0:02:26]} Qb5 {[%emt 0:00:17]} (26... Rxe3 $2 27. fxe3 Qxe3+ 28. Kh1 $18) (26... Qxc2 $142 27. Rxc2 Kh7) 27. b4 {[%emt 0:01:00]} f6 {[%emt 0:00:40]} 28. Nh4 {[%emt 0:05:33]} Re4 {[%emt 0:01:56]} 29. Ng6 {[%emt 0:02:56] Strongly threatening Qc7.} Qd7 {[%emt 0:02:30]} 30. Qc6 {[%emt 0:02:09]} Qf7 {[%emt 0:01:19]} 31. Nf4 {[%emt 0:01:06][%cal Bg6f4,Bf4d3,Bd3b4,Bb4c6][%mdl 32]} Rd8 {[%emt 0:00:08]} 32. Qc7 {[%emt 0:00:54]} Qe8 {[%emt 0:00:54]} 33. Rc3 {[%emt 0:01:47]} (33. Qxa7 Rxe3 34. Rc7 Re1+ 35. Kh2 Ra8 36. Qxb6 (36. Rxg7+ Kf8 $16) 36... Re7 $16) 33... Re7 {[%emt 0:01:02]} 34. Qc6 {[%emt 0:00:22]} Qf7 {[%emt 0:00:11]} 35. Qb5 {[%emt 0:01:57]} g5 {[%emt 0:01:20]} 36. Nd3 {[%emt 0:01:56]} Kg7 {[%emt 0:00:24]} 37. Qa4 {[%emt 0:01:26]} Qh5 {[%emt 0:03:46]} (37... Rc7 $142 38. Rxc7 Qxc7) 38. Qc2 {[%emt 0:01:35]} Qf7 {[%emt 0:00:44]} 39. b5 {[%emt 0:00:31]} Rd6 {[%emt 0:01:05]} 40. Nb4 {[%emt 0:00:28]} Rdd7 {[%emt 0:01:08]} 41. Qf5 {[%emt 0:00:38]} Re8 {[%emt 0:01:30]} (41... Qg6 {keeps fighting.} 42. Qf3 Qb1+ 43. Kh2 Qe4) 42. Rc6 {[%emt 0:01:09]} Ree7 {[%emt 0:00:56]} 43. Rc8 {[%emt 0:01:13]} Rd6 {[%emt 0:00:27]} 44. Nc6 {[%emt 0:00:37]} Red7 {[%emt 0:00:20]} (44... Re8 45. Rxe8 Qxe8 46. Nxa7 Qd7 47. Qxd7+ Rxd7) 45. Bd2 {[%emt 0:00:53]} Rc7 {[%emt 0:02:24]} 46. Rxc7 {[%emt 0:00:51]} (46. Ne5 Rdd7 47. Nxf7 Rxf7 48. Rd8) 46... Qxc7 {[%emt 0:00:06]} 47. Bb4 {[%emt 0:01:26]} Rd7 $2 {[%emt 0:00:04]} (47... Qd7 48. Qc2 Re6) 48. h4 {[%emt 0:01:23] Threatens to win with h5.} a5 {[%emt 0:00:05]} 49. Bd2 {[%emt 0:00:58]} Qd6 {[%emt 0:00:30]} 50. h5 {[%emt 0:00:25]} Kh8 {[%emt 0:00:06]} 51. f4 {[%emt 0:01:05][%cal Rf4g5] Hoping for fxg5.} Rc7 {[%emt 0:01:43]} 52. fxg5 {[%emt 0:00:31]} hxg5 {[%emt 0:00:15]} (52... fxg5 $142 53. Qe5+ Qxe5 54. dxe5 d4) 53. Qg6 $2 {[%emt 0:00:56]} (53. h6 Rd7 54. a4) 53... Qf8 {[%emt 0:00:52]} 54. Qf5 $2 {[%emt 0:00:44]} (54. a4) 54... Qd6 $1 {[%emt 0:00:14]} 55. Be1 {[%emt 0:00:56]} Rf7 {[%emt 0:00:54]} (55... Rg7 $142 56. a4 Rg8) 56. a4 $2 {[%emt 0:00:24]} (56. Ne5 Rc7 57. Bg3) 56... Rd7 {[%emt 0:01:36] [#]} (56... Qd7 57. Qg6 Qe6) 57. Bg3 $1 {[%emt 0:00:35][%mdl 576] Deflection} Qxg3 {[%emt 0:00:06]} 58. Qxd7 {[%emt 0:00:11]} Qe1+ {[%emt 0:00:07]} 59. Kh2 {[%emt 0:00:04][%cal Oc6e7]} Qh4+ {[%emt 0:00:12]} 60. Qh3 {[%emt 0:00:10]} Qf4+ {[%emt 0:00:39]} 61. Qg3 {[%emt 0:00:13] Qxf4 would kill now.} Qd2 {[%emt 0:00:14]} 62. Qb8+ {[%emt 0:00:44] ?ev?.} Kg7 {[%emt 0:00:16]} 63. Ne7 {[%emt 0:00:37]} ({Weaker is} 63. Qxb6 Qf4+ 64. g3 Qf2+ 65. Kh1 (65. Kh3 Qf1+ 66. Kh2 Qf2+ 67. Kh3 Qf1+ 68. Kh2 Qf2+ $11) 65... Qf1+ 66. Kh2 Qf2+ 67. Kh3 Qf1+ 68. Kh2 Qf2+ $11) 63... Kf7 {[%emt 0:00:27]} 64. Ng6 {[%emt 0:01:02]} Qxd4 {[%emt 0:00:40]} 65. Qf8+ {[%emt 0:00:29]} Ke6 {[%emt 0:00:04]} 66. Qc8+ {[%emt 0:00:33]} Kf7 {[%emt 0:00:15]} 67. Qd7+ {[%emt 0:00:14]} Kg8 {[%emt 0:00:08]} 68. h6 {[%emt 0:00:24][%csl Gd7][%cal Bh5h6,Bh6h7][%mdl 32]} f5 {[%emt 0:00:06]} 69. h7# {[%emt 0:00:14] An exciting game.   Weighted Error Value: White=0.66/Black=0.54} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.4"]
[White "Pycha, Patrik"]
[Black "Juracak, David"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2029"]
[BlackElo "1820"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,98,-32,-26,-38,-38,-9,-25,-28,-21,-35,0,-97,-80,-129,-116,-120,-125,-143,-153,-237,-211,-212,-212,-286,-277,-257,-251,-255,-250,-247,-200,-199,-199,-261,-205,-202,-175,-173,-170,-166,-166,-189,-175,-175,-168,-186,-188,-185,-173,-177,-167,-169,-167,-181,-152,-177,-175,-192,-192,-193,-48,-56,-29,-29,-23,-145,-137,-139,-141,-192,-192,-193,-192,-204,-194,-194,-192,-193,-191,-193,0,-193,-192,-203,-190,-192,-185,-185,-185,-187,-122]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:05]} 3. Nxe5 {[%emt 0:00:05]} d6 {[%emt 0:00:06]} 4. Nxf7 {[%emt 0:00:46]} Kxf7 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:07]} c5 {[%emt 0:00:26]} 6. Bc4+ {[%emt 0:00:31] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Be6 {[%emt 0:00:12]} 7. Bxe6+ {[%emt 0:00:05]} Kxe6 {[%emt 0:00:04]} 8. d4 $1 {[%emt 0:00:55] Black has an edge.} (8. Qf3 Nc6 9. b3 (9. Qf5+ $2 Kf7 $19) 9... Be7 $17) 8... Kf7 {[%emt 0:00:08]} 9. dxc5 {[%emt 0:00:09]} Nc6 {[%emt 0:00:05]} 10. cxd6 {[%emt 0:03:35] [#]} (10. Qe2 $11) 10... Qxd6 $146 {[%emt 0:01:34]} ({Predecessor:} 10... Bxd6 11. O-O Re8 12. Bg5 h6 13. Bxf6 Qxf6 14. f4 Rad8 15. Qe2 Bb4 16. e5 Bxc3 17. bxc3 {0-1 Hrabusa,M (2250)-Maros,M (2307) SVK-chT 0809 2008 (11)}) 11. Qe2 {[%emt 0:00:50]} (11. Qxd6 $142 Bxd6 12. Bg5) 11... Rd8 {[%emt 0:03:13]} 12. O-O {[%emt 0:00:21]} Nd4 {[%emt 0:01:39]} 13. Qc4+ {[%emt 0:02:12]} Qe6 $1 {[%emt 0:00:14]} 14. Nd5 {[%emt 0:07:17]} (14. Qxe6+ $17 Kxe6 15. Bg5) 14... Nxe4 {[%emt 0:02:54]} 15. Qxd4 {[%emt 0:01:57] c4 would be deadly.} Qxd5 {[%emt 0:00:23]} 16. Qe3 {[%emt 0:02:43]} Bc5 {[%emt 0:01:26]} 17. Qf4+ {[%emt 0:00:27]} Nf6 {[%emt 0:00:24]} (17... Kg8 18. Be3 $19) 18. Be3 {[%emt 0:09:10]} Bxe3 {[%emt 0:12:11]} 19. Qxe3 {[%emt 0:00:09]} Rhe8 {[%emt 0:00:22][%cal Bh8e8,Be8e2,Be2a2][%mdl 32]} 20. Qxa7 {[%emt 0:00:51] White is weak on the light squares} Re2 {[%emt 0:00:46]} 21. c4 {[%emt 0:00:45]} (21. Qa4 {was necessary.}) 21... Qc6 {[%emt 0:09:41][%cal Od8d2]} (21... Qxc4 $2 22. Qxb7+ Rd7 23. b3 $17) 22. b4 {[%emt 0:01:57]} Qxc4 {[%emt 0:02:24]} 23. Qxb7+ {[%emt 0:01:16]} Rd7 {[%emt 0:02:30]} 24. Qf3 {[%emt 0:02:52]} Rxa2 {[%emt 0:00:07]} 25. Rab1 {[%emt 0:02:26]} Ra4 {[%emt 0:04:16]} 26. b5 {[%emt 0:00:46]} Rb4 {[%emt 0:00:31]} 27. Rxb4 {[%emt 0:03:31]} Qxb4 {[%emt 0:00:06]} 28. Qc6 {[%emt 0:01:16]} Qd6 {[%emt 0:00:13]} 29. Qc2 Rb7 {[%emt 0:01:14]} 30. Rb1 {[%emt 0:09:12]} Qd5 {[%emt 0:02:17]} 31. b6 {[%emt 0:06:45]} Qe6 {[%emt 0:02:28]} 32. h3 {[%emt 0:01:17]} h6 {[%emt 0:01:49]} ({Much less strong is} 32... Rxb6 33. Qc7+ Nd7 34. Rxb6 Qxb6 35. Qxd7+ Kf6 36. g4 $16) 33. Rb5 {[%emt 0:18:09]} Nd7 {[%emt 0:13:49]} ({But not} 33... Rxb6 34. Qc7+ Nd7 35. Rxb6 Qxb6 36. Qxd7+ Kf6 37. Qg4 $16) 34. Rf5+ {[%emt 0:03:42]} Ke7 {[%emt 0:00:18]} ({Black should play} 34... Kg8 $1 $19 35. Qc8+ Kh7 36. Qxb7 Qxf5) 35. Rf3 $1 $15 {[%emt 0:00:56]} Qe1+ {[%emt 0:03:39]} (35... Nxb6 $2 36. Re3 $18) (35... Kd8 $5 36. Qc3 Rxb6 37. Qxg7 Rb1+ 38. Kh2 Qd6+ 39. Qg3 Qxg3+ 40. Rxg3 Rb6 $17) 36. Kh2 {[%emt 0:00:14]} Qe5+ {[%emt 0:00:04]} (36... Nxb6 $2 37. Qc5+ Kd8 38. Rf8+ $18) 37. Kg1 {[%emt 0:01:19] [#]} (37. g3 $11 Kd8 38. Rf7) 37... Qa1+ $1 $17 {[%emt 0:00:59]} (37... Nxb6 $2 38. Re3 $18) 38. Kh2 {[%emt 0:00:15]} Rxb6 {[%emt 0:00:11]} (38... Nxb6 39. Qc5+ Kd7 40. Rf7+ Ke6 41. Rxb7 $18) 39. g3 {[%emt 0:05:19]} ({Don't go for} 39. Qc4 $2 Qe5+ 40. g3 Rf6 41. Rxf6 Nxf6) (39. Qh7 $17 {was worth a try.}) 39... Rf6 $19 {[%emt 0:07:28]} 40. Re3+ {[%emt 0:00:27]} Re6 {[%emt 0:00:16] aiming for ...Rxe3.} 41. Rd3 Re1 {[%emt 0:01:07] And now ...Rh1+ would win.} 42. Qc6 {[%emt 0:07:40] Prevents Rh1+} Qa7 {[%emt 0:01:52]} 43. Qd6+ {[%emt 0:01:48]} Ke8 {[%emt 0:01:55][%cal Ra7f2]} 44. Qg6+ {[%emt 0:01:00]} Kd8 $2 {[%emt 0:00:48]} ({Black should try} 44... Kf8 $19 {[%cal Ra7f2]} 45. Qd6+ Kg8) 45. Qf5 {[%emt 0:02:27] [#]} (45. Qf7 $11 {and White is okay.}) 45... Ke7 $1 {[%emt 0:02:54] Strongly threatening ...Ne5. Black is clearly better.} 46. Qf4 {[%emt 0:01:03] Qb4+ is the strong threat.} Re6 {[%emt 0:00:22]} 47. Rd2 {[%emt 0:01:08]} Rf6 {[%emt 0:00:52]} 48. Qe4+ {[%emt 0:00:24]} Kf8 {[%emt 0:00:31]} 49. f4 {[%emt 0:00:20]} Ra6 {[%emt 0:03:15] Weighted Error Value: White=0.23 (precise) /Black=0.17 (very precise)} (49... Rf7 $19 50. Qd4 Qc7 51. Qd6+ Qxd6 52. Rxd6 Nf6 53. Rd8+ Ke7) 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.5"]
[White "Pavlis, Matej"]
[Black "Hlavac, Rudolf"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "1868"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,55,-5,0,40,36,45,22,27,15,35,61,70,34,52,47,77,79,102,64,152,131,139,137,133,116,256,245,275,275,355,355,510,506,504,500,667,643,1062,1077,1459,1417]} 1. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:12:38]} 2. c4 {[%emt 0:00:18]} g6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:29]} d5 {[%emt 0:00:25]} 4. cxd5 {[%emt 0:00:56]} Nxd5 {[%emt 0:00:18]} 5. e4 {[%emt 0:00:06]} Nxc3 {[%emt 0:00:08]} 6. bxc3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:09]} 7. Bb5+ {[%emt 0:00:23]} c6 {[%emt 0:00:14]} 8. Ba4 {[%emt 0:00:16]} O-O {[%emt 0:00:17]} 9. Ne2 {[%emt 0:00:33]} Qc7 {[%emt 0:07:00] D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 10. O-O {[%emt 0:01:35] [#]} b6 $146 {[%emt 0:04:28]} ({Predecessor:} 10... Rd8 11. Bg5 b6 12. Rc1 c5 13. d5 Bf6 14. Be3 Bd7 15. f4 b5 16. Bc2 Bg4 17. h3 Bxe2 18. Qxe2 Bxc3 19. Qxb5 {1-0 Strutinskaya,G (2218)-Titorenko,N (2089) RUS-chT Seniors final 2019 (3.5)}) 11. Be3 {[%emt 0:03:18]} Nd7 {[%emt 0:07:35] The position is equal.} 12. Rc1 {[%emt 0:03:24]} c5 {[%emt 0:01:41]} 13. Nf4 {[%emt 0:04:30]} Bb7 {[%emt 0:03:34]} 14. f3 {[%emt 0:02:16]} (14. e5 $5 {[%cal Re5e6]}) 14... c4 {[%emt 0:06:39]} 15. e5 {[%emt 0:01:49]} e6 {[%emt 0:02:40]} 16. h4 {[%emt 0:02:33]} Rfd8 {[%emt 0:00:50][%cal Od7e5]} 17. Qe1 {[%emt 0:01:44]} a6 {[%emt 0:01:10]} (17... Nxe5 $14 18. dxe5 Qxe5) 18. Qg3 {[%emt 0:01:20] White is more active.} b5 {[%emt 0:00:37]} 19. Bc2 {[%emt 0:00:11]} Nf8 {[%emt 0:03:59] [#]} 20. h5 $1 {[%emt 0:01:54]} Bd5 {[%emt 0:00:44] This move loses the game for Black.} (20... Rdb8 $16 {was called for.}) 21. hxg6 {[%emt 0:01:30]} fxg6 {[%emt 0:02:28]} 22. Nxd5 {[%emt 0:00:58]} exd5 {[%emt 0:04:26]} 23. f4 {[%emt 0:01:26]} Bh6 (23... Rab8 $142 24. f5 gxf5 25. Rxf5 b4 26. cxb4 Rxb4) 24. f5 $18 {[%emt 0:01:13] White is clearly winning.} Bxe3+ {[%emt 0:04:25]} 25. Qxe3 {[%emt 0:00:01]} gxf5 {[%emt 0:00:48]} 26. Rxf5 {[%emt 0:00:07] [#] Black must now prevent Rcf1.} Rd7 {[%emt 0:02:01]} 27. Rcf1 {[%emt 0:03:11] And now Qh6 would win.} Rg7 {[%emt 0:01:34]} 28. Qf3 {[%emt 0:01:40][%csl LRd5,LRf8] Weighted Error Value: White=0.07 (flawless) /Black=0.55} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.1"]
[White "Broz, Petr"]
[Black "Hlavac, Rudolf"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1993"]
[BlackElo "1985"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 14,145,31,29,45,10,8,18,33,39,41,39,39,34,36,39,37,37,37,25,29,21,27,24,33,0,21,16,39,39,33,35,42,20,62,69,101,99,156,44,41,44,106,0,0,0,0,0,0,0,0,-32,-8,-25,0,0,0,0,0,0,0,0,0,0,0,-31,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,0]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:04:29]} 2. Nf3 {[%emt 0:06:22][%cal Bg1f3,Bf3d2,Bd2f1][%mdl 32]} Nc6 {[%emt 0:00:10]} 3. Nc3 {[%emt 0:00:04]} e5 {[%emt 0:00:37]} 4. Bc4 {[%emt 0:00:06]} Be7 {[%emt 0:00:17]} 5. d3 {[%emt 0:00:13]} d6 {[%emt 0:00:31]} 6. Nd2 {[%emt 0:00:06]} Nf6 {[%emt 0:03:22]} 7. Nf1 {[%emt 0:01:53]} O-O {[%emt 0:02:34]} 8. Ne3 {[%emt 0:00:30]} Na5 {[%emt 0:01:01] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 9. Bd5 {[%emt 0:02:21]} Nxd5 {[%emt 0:01:43]} 10. Ncxd5 {[%emt 0:00:08] [#]} f5 $146 {[%emt 0:03:05]} ({Predecessor:} 10... Be6 11. O-O Bg5 12. Nc3 Nc6 13. Ned5 Bxc1 14. Rxc1 Nd4 15. f4 exf4 16. Nxf4 Qg5 {1-0 Papadiamandis,E (2216)-Ochedzan,T (2098) EU-ch U14 Bratislava 2019 (7)}) 11. Nxf5 {[%emt 0:02:00]} Bxf5 {[%emt 0:00:18]} 12. exf5 {[%emt 0:00:03]} Rxf5 {[%emt 0:00:20]} 13. Qg4 {[%emt 0:00:11]} Rf7 {[%emt 0:00:32]} 14. O-O {[%emt 0:03:27]} Qc8 {[%emt 0:03:42]} 15. Qe4 {[%emt 0:03:47]} Nc6 {[%emt 0:05:13]} 16. Bd2 {[%emt 0:04:33]} Qd7 {[%emt 0:04:31]} 17. Rae1 {[%emt 0:01:46]} Raf8 {[%emt 0:01:44]} 18. a3 {[%emt 0:12:26]} Bd8 {[%emt 0:03:00]} (18... Nd4 {is more complex.} 19. c4 Nb3 20. Be3 Bd8) 19. f4 {[%emt 0:11:09]} g6 {[%emt 0:10:56]} 20. fxe5 {[%emt 0:02:45]} Rxf1+ {[%emt 0:01:59]} 21. Rxf1 {[%emt 0:00:05]} Rxf1+ {[%emt 0:00:19]} 22. Kxf1 {[%emt 0:00:05] Black must now prevent e6.} Nxe5 {[%emt 0:01:04]} 23. Bc3 {[%emt 0:02:52]} Ng4 {[%emt 0:07:31]} 24. Kg1 {[%emt 0:09:52]} Kf7 {[%emt 0:05:22] [#]} 25. h3 $1 {[%emt 0:03:06] White has more active pieces.} Nf6 {[%emt 0:03:02]} (25... Ne5 $142) 26. Qf3 {[%emt 0:00:07]} (26. Nxf6 $16 Bxf6 27. Qf3) 26... Qf5 $14 {[%emt 0:00:52]} 27. Nf4 {[%emt 0:04:10]} Be7 {[%emt 0:11:18] [#]} (27... Qc8 $14) 28. Bxf6 {[%emt 0:08:12]} ({White must play} 28. g4 $1 $16 {[%cal Rg4f5]} Qg5 29. Kf2 (29. Qe3 Ke8 $11)) 28... Qxf6 $16 {[%emt 0:01:38][%mdl 4096] Endgame KQB-KQN} 29. Qd5+ {[%emt 0:00:40]} Ke8 {[%emt 0:01:18]} 30. Qg8+ {[%emt 0:07:39]} Kd7 {[%emt 0:00:28]} 31. Qc4 {[%emt 0:00:11]} Qe5 {[%emt 0:06:26]} 32. Qa4+ {[%emt 0:03:54]} Kd8 {[%emt 0:00:21]} 33. Kf1 {[%emt 0:03:43]} g5 {[%emt 0:03:44]} 34. Ne2 {[%emt 0:00:29]} Qxb2 {[%emt 0:00:35]} 35. Qxa7 {[%emt 0:00:43]} Kc7 {[%emt 0:05:00]} 36. Qa5+ {[%emt 0:00:58]} Kb8 {[%emt 0:04:52]} 37. Qc3 {[%emt 0:00:17]} Bf6 {[%emt 0:00:46]} 38. Qxb2 {[%emt 0:00:50]} Bxb2 $11 {[%emt 0:00:02] KB-KN} 39. c4 {[%emt 0:00:18]} Ka7 {[%emt 0:00:04][%cal Oa7a6]} (39... Kc7 $5 {[%cal Rb2a3]}) 40. Ng3 {[%emt 0:00:34] The position is equal.} Be5 {[%emt 0:01:19]} 41. Ne4 {[%emt 0:00:07]} h6 42. Nd2 {[%emt 0:00:10]} Ka6 {[%emt 0:00:31]} 43. Nb3 {[%emt 0:00:10]} b5 {[%emt 0:00:10]} 44. Ke2 {[%emt 0:01:56]} Bb2 {[%emt 0:00:15]} 45. Nd2 {[%emt 0:00:22]} Bxa3 {[%emt 0:00:21]} 46. cxb5+ {[%emt 0:00:03]} Kxb5 {[%emt 0:01:05] Strongly threatening ...d5.} 47. Nc4 {[%emt 0:00:04]} Bc1 {[%emt 0:00:37] ...Bf4 would be deadly.} 48. Nxd6+ {[%emt 0:00:09]} Kc6 {[%emt 0:00:27]} 49. Nf7 {[%emt 0:00:13]} h5 {[%emt 0:00:04]} 50. Ne5+ {[%emt 0:05:41]} Kd5 {[%emt 0:00:15]} 51. Nd7 {[%emt 0:00:15]} Bb2 {[%emt 0:00:50] Prevents Nf6+.} 52. Nb6+ {[%emt 0:00:58]} Kd4 {[%emt 0:00:38]} 53. Nc4 {[%emt 0:00:23]} Bc1 {[%emt 0:00:11]} 54. Nd2 $1 {[%emt 0:02:44]} Ke5 {[%emt 0:01:03]} 55. Nb3 {[%emt 0:00:22]} Ba3 {[%emt 0:00:12]} 56. Ke3 {[%emt 0:00:32]} Bb2 {[%emt 0:00:24]} 57. Na5 {[%emt 0:00:20] And now Nc4+ would win.} Bd4+ {[%emt 0:00:30]} 58. Kf3 {[%emt 0:00:16]} Bg1 {[%emt 0:00:28]} 59. Nb3 {[%emt 0:00:31]} Kf5 {[%emt 0:00:20]} 60. g4+ {[%emt 0:00:15]} hxg4+ {[%emt 0:00:28]} 61. hxg4+ {[%emt 0:00:21]} Ke5 {[%emt 0:00:26]} 62. Kg2 {[%emt 0:00:56]} Bd4 {[%emt 0:01:28] Hoping for ...Kf4.} 63. Kf3 {[%emt 0:00:03]} Kd5 {[%emt 0:00:23]} 64. Ke2 {[%emt 0:01:19]} Bg1 {[%emt 0:01:30]} (64... Ke5 $5 {[%cal Re5f4]} 65. Kf3 Bg1 $11) 65. Kf3 {[%emt 0:00:20]} Ke5 {[%emt 0:00:24]} 66. Kg2 {[%emt 0:00:06]} Be3 {[%emt 0:00:31] Threatens to win with ...Kf4.} (66... Bd4 $5 {[%cal Re5f4]} 67. Kf3 Kd5 $11) 67. Kf3 {[%emt 0:00:03]} Bd4 {[%emt 0:00:17]} 68. Nd2 {[%emt 0:00:11]} Bg1 {[%emt 0:02:09]} 69. Ne4 {[%emt 0:00:14]} Kd4 {[%emt 0:00:13]} 70. Ke2 {[%emt 0:01:40]} c4 {[%emt 0:00:11]} 71. Nxg5 {[%emt 0:00:05] White wants to mate with Nf3+.} cxd3+ {[%emt 0:00:10]} 72. Kd1 {[%emt 0:00:06]} Be3 {[%emt 0:01:00]} 73. Nf3+ {[%emt 0:00:11] Weighted Error Value: White=0.10 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.2"]
[White "Juracak, David"]
[Black "Pavlis, Matej"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1820"]
[BlackElo "1868"]
[Annotator "NA RC COMBH"]
[PlyCount "94"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:18]} 2. Nf3 {[%emt 0:00:08]} c5 {[%emt 0:00:05]} 3. e3 {[%emt 0:03:57]} g6 {[%emt 0:01:02]} 4. c4 {[%emt 0:00:53]} Bg7 {[%emt 0:00:40]} 5. Nc3 {[%emt 0:00:06]} cxd4 {[%emt 0:00:33]} 6. exd4 {[%emt 0:00:14]} d5 {[%emt 0:00:05]} 7. Bg5 {[%emt 0:02:26]} dxc4 {[%emt 0:03:26]} 8. Bxc4 {[%emt 0:00:54]} O-O {[%emt 0:00:08]} 9. h3 {[%emt 0:01:50] was the old line (9.0-0).} Qb6 {[%emt 0:02:09] [#]} 10. Qe2 $146 {[%emt 0:01:22]} ({Predecessor:} 10. Qd2 e6 11. O-O Nc6 12. Rad1 Na5 13. Be2 Nd5 14. Na4 Qb4 15. Qxb4 Nxb4 16. Be7 Nxa2 17. Bxf8 Bxf8 {1-0 Oliveros,C (2021)-Machado,F (1792) Cali Region-ch 2017 (6)}) 10... Nc6 {[%emt 0:02:17]} 11. Rd1 {[%emt 0:00:31]} Rd8 {[%emt 0:06:17]} (11... Na5 $1 $11) 12. O-O $1 {[%emt 0:00:52]} Na5 {[%emt 0:05:18]} 13. Rfe1 {[%emt 0:04:50]} Nxc4 {[%emt 0:01:16]} 14. Qxc4 {[%emt 0:00:12]} Be6 {[%emt 0:00:17]} 15. Qe2 h6 {[%emt 0:03:01]} 16. Be3 {[%emt 0:12:48]} Nd5 {[%emt 0:00:53]} 17. Na4 {[%emt 0:02:45]} Qc6 {[%emt 0:03:40]} 18. Nc5 {[%emt 0:00:50]} Nxe3 {[%emt 0:00:07]} 19. Nxe6 {[%emt 0:02:38]} (19. fxe3 $11 Rac8 20. b3) 19... Nxd1 {[%emt 0:00:29]} ({Don't play} 19... Qxe6 20. Qxe3 Qxa2 21. Qxe7 $11) 20. Nxd8 {[%emt 0:00:12]} Rxd8 {[%emt 0:00:04]} 21. Rxd1 {[%emt 0:01:19]} e6 {[%emt 0:00:05]} 22. Rd2 {[%emt 0:05:39]} Qd5 {[%emt 0:06:24]} 23. a3 {[%emt 0:01:03]} b5 {[%emt 0:01:17]} 24. Qe3 {[%emt 0:08:13]} Rc8 {[%emt 0:09:31]} 25. Ne5 {[%emt 0:03:12]} Rc7 {[%emt 0:02:30]} (25... a5 $15) 26. Qf4 {[%emt 0:01:58]} g5 {[%emt 0:00:13]} 27. Qe3 {[%emt 0:01:16]} f6 {[%emt 0:02:27]} 28. Nd3 {[%emt 0:02:12]} Rc4 {[%emt 0:12:54]} 29. Nc5 {[%emt 0:02:36]} Kf7 {[%emt 0:00:18]} ({Don't take} 29... Rc1+ 30. Kh2 $14) 30. Re2 {[%emt 0:02:12]} e5 {[%emt 0:02:15]} 31. Nb3 {[%emt 0:00:20]} Kg8 {[%emt 0:05:18]} 32. dxe5 {[%emt 0:00:27]} fxe5 {[%emt 0:13:35]} 33. Rd2 {[%emt 0:00:12]} Qa8 {[%emt 0:00:08]} 34. Nc5 {[%emt 0:04:34]} (34. Rd7 $16) 34... Qc6 {[%emt 0:00:37]} 35. Rd8+ {[%emt 0:07:08]} Kh7 {[%emt 0:00:37]} 36. Nd7 {[%emt 0:00:58]} e4 {[%emt 0:01:28]} 37. Qxa7 {[%emt 0:01:11]} Rc1+ {[%emt 0:02:20]} 38. Kh2 {[%emt 0:00:04]} Kg6 {[%emt 0:00:32]} 39. Nb6 {[%emt 0:10:29]} Be5+ {[%emt 0:01:31]} 40. g3 {[%emt 0:01:54]} Bc7 {[%emt 0:00:12]} 41. Nd7 {[%emt 0:05:36]} e3 {[%emt 0:00:45]} 42. Rg8+ {[%emt 0:00:39]} Kh7 {[%emt 0:01:30]} 43. Rh8+ {[%emt 0:01:05]} Kxh8 {[%emt 0:01:04]} 44. Qd4+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:15]} 45. Qd5+ {[%emt 0:01:01]} Qxd5 {[%emt 0:00:09]} 46. Nf6+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:04]} 47. Nxd5 {[%emt 0:00:04]} e2 {[%emt 0:00:03]} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.3"]
[White "Pressler, Tobias"]
[Black "Pycha, Patrik"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2096"]
[BlackElo "2029"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,60,24,14,29,-28,-32,-23,-25,-43,-45,-47,-35,-66,-54,-61,-22,-104,-87,-108,-101,-170,-166,-188,-183,-182,-131,-130,-130,-123,-137,-135,-135,-226,-226,-226,-224,-235,-231,-229,-229,-354,-341,-340,-336,-636,-395]} 1. d4 {[%emt 0:00:33]} Nf6 {[%emt 0:03:56]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:19]} d5 {[%emt 0:00:05]} 4. cxd5 {[%emt 0:00:32]} exd5 {[%emt 0:00:05]} 5. Bg5 {[%emt 0:00:34]} Be7 {[%emt 0:00:05]} 6. e3 {[%emt 0:00:25]} c6 {[%emt 0:00:08]} 7. Nf3 {[%emt 0:00:34]} Nbd7 {[%emt 0:00:06][%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 8. Bd3 {[%emt 0:01:19]} h6 {[%emt 0:00:14] 8...Ne4 is the modern continuation.} 9. Bf4 {[%emt 0:00:17]} Nh5 {[%emt 0:00:53] D35: Queen's Gambit Declined: Exchange Variation.} 10. Bg3 {[%emt 0:02:58]} (10. Be5 $142) 10... Nxg3 $11 {[%emt 0:00:09]} 11. hxg3 {[%emt 0:00:08]} Nf6 {[%emt 0:01:00] Black has an edge.} 12. Ne5 {[%emt 0:00:51]} Bd6 {[%emt 0:01:09]} 13. f4 {[%emt 0:05:21] [#]} Qe7 $146 {[%emt 0:01:30]} ({Predecessor:} 13... Qb6 14. Qd2 Ng4 15. Rc1 a5 16. a3 Bxe5 17. fxe5 Be6 18. Na4 Qd8 19. Qe2 Qg5 {0-1 Kouatly,B-Fries Nielsen,N Berlin U20 7576 1976 (6)}) 14. Qd2 {[%emt 0:07:28]} Bd7 {[%emt 0:01:59]} 15. a3 {[%emt 0:03:49]} Ng4 {[%emt 0:03:31][%cal Rd6e5]} 16. Qe2 {[%emt 0:06:18]} (16. O-O-O $11 {keeps the balance.}) 16... Bxe5 $17 {[%emt 0:06:04]} 17. fxe5 {[%emt 0:03:07]} O-O {[%emt 0:14:11]} 18. Rf1 {[%emt 0:04:40] [#]} (18. e4 $17 f6 19. e6 Qxe6 20. exd5) 18... Qg5 $1 $19 {[%emt 0:02:14]} 19. Rf4 {[%emt 0:21:55]} f6 {[%emt 0:02:57]} 20. exf6 {[%emt 0:00:05]} Rxf6 {[%emt 0:00:29]} ({Worse is} 20... Nxf6 21. Kd2 $17) ({Black should play} 20... Rae8 $19 21. e4 Nxf6) 21. O-O-O $17 {[%emt 0:01:45]} Re8 {[%emt 0:00:50][%mdl 64] Deflection} 22. e4 {[%emt 0:01:26]} Rxf4 {[%emt 0:03:45]} 23. gxf4 {[%emt 0:00:07]} Qxf4+ {[%emt 0:00:06]} 24. Kb1 {[%emt 0:00:04] [#]} (24. Qd2 $17 {keeps fighting.} Qxd2+ 25. Rxd2) 24... dxe4 $1 $19 {[%emt 0:05:03]} 25. Nxe4 {[%emt 0:01:30]} Ne3 {[%emt 0:08:52]} 26. g3 {[%emt 0:06:03] [#]} Bg4 $1 {[%emt 0:00:34]} 27. Qd2 {[%emt 0:00:15] White is weak on the light squares} Qf3 {[%emt 0:01:25]} 28. Nd6 {[%emt 0:02:07]} (28. Re1 $142 Rxe4 29. Bxe4 Qxe4+ 30. Kc1) 28... Nxd1 {[%emt 0:17:01]} ({And not} 28... Qxd1+ 29. Qxd1 Nxd1 30. Nxe8 $19) (28... Qxg3 $2 {perishes.} 29. Re1 Qxd6 30. Rxe3 Rxe3 31. Qxe3 $19) 29. Nxe8 {[%emt 0:00:21]} Qxg3 {[%emt 0:02:10]} 30. Be2 $2 {[%emt 0:11:00]} (30. Bc4+ Kf8 31. Nf6 gxf6 32. Qxh6+ Ke7 33. Qh7+ Kd8 34. Qxb7) 30... Qe3 {[%emt 0:02:03] Weighted Error Value: White=0.49/Black=0.07 (flawless)} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.4"]
[White "Sadil, Antonin"]
[Black "Matejovsky, Ondrej"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "1683"]
[BlackElo "1931"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 17,46,31,32,26,36,14,6,25,39,8,10,9,11,16,54,0,12,0,42,-16,10,-38,-20,-70,-56,-54,0,-83,0,-60,0]} 1. e4 {[%emt 0:00:41]} e5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:18]} Nf6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:16]} Nxe4 {[%emt 0:00:22]} 4. Bd3 {[%emt 0:00:13]} d5 {[%emt 0:00:33]} 5. Nxe5 {[%emt 0:00:38]} Bd6 {[%emt 0:03:23]} 6. O-O {[%emt 0:00:14]} O-O {[%emt 0:00:57]} 7. c4 {[%emt 0:00:22]} c6 {[%emt 0:01:26]} 8. Nc3 {[%emt 0:00:20]} Nxc3 {[%emt 0:05:17]} 9. bxc3 {[%emt 0:00:10]} Nd7 {[%emt 0:04:26]} 10. f4 {[%emt 0:01:15] 10.Nxd7 might become the main line. C43: Petroff Defence: 3 d4.} ({Reject} 10. Qh5 g6 11. Qe2 Re8 $17) (10. Nxd7 {looks sharper.} Bxd7 11. cxd5 cxd5 12. Qh5) 10... Nf6 11. Qf3 {[%emt 0:01:26]} dxc4 {[%emt 0:13:57]} 12. Bxc4 {[%emt 0:02:18] The position is equal.} Bf5 {[%emt 0:05:45] [#]} 13. g4 $146 {[%emt 0:02:02]} ({Predecessor:} 13. Bd2 Be4 14. Qh3 Bd5 15. Bd3 Be4 16. Rae1 Bxd3 17. Qxd3 c5 18. d5 Bxe5 19. Rxe5 {1-0 Ajay,K (2214)-Foo,J (1731) World ol U16 2019 (5.11)}) 13... Be4 {[%emt 0:03:48]} 14. Qe3 {[%emt 0:01:01] [#] g5 would be deadly.} Bd5 {[%emt 0:16:57] And now ...Bxe5 would win.} 15. Bd3 {[%emt 0:00:31]} Qc8 {[%emt 0:04:48]} 16. h3 {[%emt 0:05:48]} (16. g5 $14 Nh5 17. c4 Bxe5 {[%mdl 64] Remove Defender} 18. fxe5 (18. cxd5 Qg4+ 19. Kh1 Bxd4 $11) 18... Qg4+ 19. Kf2) 16... b5 {[%emt 0:03:16]} 17. Re1 {[%emt 0:08:07]} Nd7 {[%emt 0:08:14]} 18. Qg3 {[%emt 0:02:30]} (18. Bf5 $14 Bxe5 19. fxe5) 18... Re8 {[%emt 0:04:33]} 19. Qh4 {[%emt 0:01:46]} (19. g5 $11) 19... Nf8 $15 {[%emt 0:00:47] Hoping for ...f6.} 20. Bf5 {[%emt 0:02:42]} (20. g5 $11) 20... Be6 {[%emt 0:01:38]} 21. Be4 {[%emt 0:01:44]} Bd5 {[%emt 0:00:27] ...Bxe4 is the strong threat.} 22. Bf5 {[%emt 0:00:50]} Be6 {[%emt 0:00:13]} 23. Be4 {[%emt 0:01:26]} Bd5 {Weighted Error Value: White=0.21 (precise) /Black=0.25 (precise)} ({Black should try} 23... f6 $1 $15 24. Nxc6 Bf7) 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.5"]
[White "Mrkvan, Frantisek"]
[Black "Zednicek, Filip"]
[Result "1/2-1/2"]
[ECO "C57"]
[WhiteElo "1727"]
[BlackElo "1885"]
[Annotator "NA RC COMBH"]
[PlyCount "49"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:04]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:23]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:25]} 4. Ng5 {[%emt 0:00:41]} d5 {[%emt 0:01:59]} 5. exd5 {[%emt 0:00:09]} Nd4 {[%emt 0:00:37]} 6. c3 {[%emt 0:03:54]} b5 {[%emt 0:00:11]} 7. Bf1 {[%emt 0:00:09]} Nxd5 {[%emt 0:01:45]} 8. cxd4 {[%emt 0:00:12]} Qxg5 {[%emt 0:00:17]} 9. Bxb5+ {[%emt 0:00:15]} Kd8 {[%emt 0:03:17]} 10. O-O {[%emt 0:00:19]} Bg4 {[%emt 0:18:29]} 11. d3 {[%emt 0:19:44]} Qg6 {[%emt 0:04:12]} (11... Nf4 $14 12. f3 (12. Bxf4 Qxf4 13. Qc2 Rb8 $14) 12... Bd7 13. Bxf4 Qxf4 14. Bxd7 Qxd4+ 15. Kh1 Qxd7) 12. f3 {[%emt 0:00:30]} Bh3 {[%emt 0:02:46]} 13. Qc2 {[%emt 0:00:12]} exd4 {[%emt 0:04:37] [#]} 14. Kh1 {[%emt 0:03:45]} (14. Qf2 $1 $16 {[%cal Rf2h4]} Be7 15. Kh1) 14... Nb4 {[%emt 0:13:03]} 15. Qf2 {[%emt 0:01:17]} Qxg2+ {[%emt 0:00:22]} 16. Qxg2 {[%emt 0:00:08]} Bxg2+ {[%emt 0:00:09]} 17. Kxg2 {[%emt 0:00:03]} Nc2 {[%emt 0:00:10]} 18. Rf2 {[%emt 0:00:39]} Nxa1 {[%emt 0:00:02]} 19. b3 {[%emt 0:00:13]} Rb8 {[%emt 0:03:52]} 20. Bc4 {[%emt 0:01:03]} Bb4 {[%emt 0:06:12]} 21. Bb2 {[%emt 0:03:57]} Re8 {[%emt 0:00:19]} 22. Bxa1 {[%emt 0:00:13]} Re1 {[%emt 0:00:29]} 23. Rf1 {[%emt 0:01:01]} Re2+ {[%emt 0:00:09]} 24. Rf2 $11 {[%emt 0:19:24]} Re1 {[%emt 0:00:06]} 25. Rf1 $1 {[%emt 0:00:04]} 1/2-1/2

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.1"]
[White "Zednicek, Filip"]
[Black "Broz, Petr"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1885"]
[BlackElo "1993"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,98,26,0,7,0,42,47,38,33,59,62,142,130,166,54,46,38,39,48,41,39,47,15,12,-75,-20,-18,-15,-79,-70,-99,-95,-90,-82,-88,-84,-111,-108,-113,-82,-112,-100,-112,-117,-114,-115,-258,-100,-100,-100,-111,-104,-149,-64,-71,-64,-83,-47,-183,-174,-242,-229,-228,-237,-240,-225,-202,-93,-99,-9,-16,-10,-79,-41,-33,0,-186,-163,-370,-360,-372,-367,-366,-381,-334,-300,-12839,-12839]} 1. e4 {[%emt 0:00:06]} d5 {[%emt 0:00:05]} 2. exd5 {[%emt 0:00:07]} c6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:22]} cxd5 {[%emt 0:02:04]} 4. c4 {[%emt 0:00:21]} Nf6 {[%emt 0:01:01]} 5. Nc3 {[%emt 0:00:04]} e6 {[%emt 0:01:29]} 6. Nf3 {[%emt 0:01:18]} Nc6 {[%emt 0:00:20]} 7. Be2 {[%emt 0:10:18]} Bb4 {[%emt 0:03:58] B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 8. O-O {[%emt 0:00:20]} Bxc3 {[%emt 0:00:05]} 9. bxc3 {[%emt 0:00:05]} O-O {[%emt 0:00:09] White is slightly better.} 10. Bg5 {[%emt 0:04:49]} h6 {[%emt 0:02:27]} 11. Bh4 {[%emt 0:02:49] [#]} Bd7 $146 {[%emt 0:05:21]} (11... b6 $14) ({Predecessor:} 11... Re8 12. Re1 a6 13. Bd3 dxc4 14. Bxc4 b5 15. Bb3 Na5 16. Ne5 Bb7 17. f3 g5 {1-0 Mordido,J (1708)-Santiaguel,J Asia-ch Universities 2018 (2)}) 12. Rb1 {[%emt 0:02:06]} b6 {[%emt 0:00:09]} 13. cxd5 {[%emt 0:05:32]} (13. Qc1 $1 $18) 13... exd5 $14 {[%emt 0:01:42]} 14. Ne5 {[%emt 0:00:33]} g5 {[%emt 0:00:17]} 15. Nxd7 {[%emt 0:06:43]} Qxd7 {[%emt 0:02:25]} 16. Bg3 {[%emt 0:00:26]} Ne4 {[%emt 0:00:08]} 17. Qd3 {[%emt 0:02:59]} Na5 {[%emt 0:03:03]} 18. f4 {[%emt 0:06:30]} (18. f3 $11 Nxg3 19. hxg3) 18... f5 {[%emt 0:05:10]} ({Better is} 18... Nc4 $1 $17 19. Be1 Rac8) 19. fxg5 $11 {[%emt 0:02:41]} hxg5 {[%emt 0:00:06]} 20. Be1 {[%emt 0:02:53]} (20. Bf3 $11 {keeps the balance.}) 20... Nc4 $17 {[%emt 0:02:40] Excellent horsemanship.} 21. Bd1 {[%emt 0:18:30]} Rac8 {[%emt 0:05:10]} 22. Bb3 {[%emt 0:07:53]} Kg7 {[%emt 0:01:17]} 23. Bxc4 {[%emt 0:05:11]} Rxc4 {[%emt 0:00:11]} 24. Qh3 {[%emt 0:04:12]} Kg6 {[%emt 0:01:59]} 25. Qd3 {[%emt 0:04:17]} Rfc8 {[%emt 0:04:36]} 26. Rb3 {[%emt 0:04:37]} Qe6 {[%emt 0:02:19]} 27. Bd2 {[%emt 0:01:40]} R8c7 {[%emt 0:05:24]} 28. g3 {[%emt 0:02:15]} Qc8 {[%emt 0:00:20]} 29. Rc1 {[%emt 0:01:58]} (29. Rb2 $17) 29... Qa6 $2 {[%emt 0:02:51]} (29... f4 $1 $19 {[%cal Rf4g3] has better winning chances. ...fxg3 is the strong threat.} 30. gxf4 Rh7) 30. Rc2 {[%emt 0:01:14] White is weak on the light squares} Qa4 {[%emt 0:01:28]} (30... Rg7 {simplifies} 31. Be1 Qc8 32. Rbb2 g4) 31. h4 {[%emt 0:01:09]} Qe8 {[%emt 0:03:37]} 32. hxg5 {[%emt 0:00:26] [#]} (32. Bxg5 $2 Nxg5 33. hxg5 Qe4 34. Qxe4 dxe4 $19) 32... Rh7 {[%emt 0:00:14] Black is much more active.} ({Black should try} 32... Nxd2 $1 $17 33. Rxd2 (33. Qxd2 $2 {loses.} Qe4 $19) 33... Qe4) 33. Bf4 $15 {[%emt 0:00:54]} Nxg5 {[%emt 0:00:29]} (33... Qe7 $5 {[%cal Re4c5]} 34. Rb1 Rh3 $17) 34. Be5 {[%emt 0:00:28]} Ne4 {[%emt 0:01:15]} 35. Rg2 {[%emt 0:00:46]} (35. Rb4 $15) 35... Qe7 $19 {[%emt 0:01:50]} 36. Qf3 {[%emt 0:00:47]} (36. Qe2 {was worth a try.}) 36... Qg5 {[%emt 0:00:15] ( -> ...Qc1+)} 37. Bf4 {[%emt 0:00:34] Repels Qc1+} Qg4 {[%emt 0:00:07]} 38. Qxg4+ {[%emt 0:00:37]} fxg4 {[%emt 0:00:05]} 39. Rc2 {[%emt 0:00:29]} Rh8 {[%emt 0:00:34]} (39... Rc8 $19 {and Black stays clearly on top. aiming for ...Rch8.} 40. Rg2 Kf5) 40. Ra3 $17 {[%emt 0:00:17] [#]} a5 {[%emt 0:00:58]} ({Black should play} 40... Ra8 $1 $17) 41. Rb3 $11 {[%emt 0:00:04]} Rc6 $36 {[%emt 0:01:34][%mdl 2048] White is under pressure.} 42. Rcb2 {[%emt 0:00:46]} (42. c4 $11 {remains equal.}) 42... Rhc8 {[%emt 0:01:36]} (42... Nxc3 $5 {[%cal Rb6b5]} 43. Rxb6 Rxb6 44. Rxb6+ Kf5 $17) 43. Rxb6 {[%emt 0:00:10]} Nxc3 {[%emt 0:00:06][%cal Oc3e2] Hoping for ...Ne2+!} 44. Rxc6+ $2 {[%emt 0:00:25]} (44. Rb7 $11 {and White is okay.}) 44... Rxc6 $15 {[%emt 0:00:08] KRB-KRN} 45. Rc2 $2 {[%emt 0:00:01]} (45. Bd2) 45... Kf5 $19 {[%emt 0:00:45]} 46. Rb2 {[%emt 0:02:07]} Ke4 {[%emt 0:00:16]} 47. Be5 {[%emt 0:00:01]} Rc4 {[%emt 0:00:54]} 48. a3 {[%emt 0:00:58]} Kd3 {[%emt 0:01:01]} 49. Bc7 $2 {[%emt 0:00:36]} (49. Rb3) 49... Rxc7 {[%emt 0:00:18] What a fight! Excellently played by Broz!   Weighted Error Value: White=0.46/Black=0.23 (precise)} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.2"]
[White "Matejovsky, Ondrej"]
[Black "Mrkvan, Frantisek"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1931"]
[BlackElo "1727"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 12,93,17,15,54,53,47,42,39,44,46,16,21,10,46,10,14,-5,22,17,60,0,111,48,193,189,298,287,275,124,119,91,481,495,412,293,289,283,277,272,272,270,273,249,246,242,314,263,297,296,303,301,350,331,448,458,470,465,469,468,493,471,537,504,603,606,626,631,612,524,537,443,536,0,520,513,823,831,824,769,771,756,680,658]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:17]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:21]} 3. Bb5 {[%emt 0:00:21]} e6 {[%emt 0:00:34]} 4. O-O {[%emt 0:00:55]} Nge7 {[%emt 0:03:14]} 5. c3 {[%emt 0:05:33]} a6 {[%emt 0:00:23]} 6. Ba4 {[%emt 0:01:39]} b5 {[%emt 0:00:19]} 7. Bc2 {[%emt 0:00:03]} Ng6 {[%emt 0:00:10] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 8. d4 {[%emt 0:02:13]} cxd4 {[%emt 0:01:04]} 9. cxd4 {[%emt 0:02:29]} Nb4 {[%emt 0:02:08] White is slightly better.} 10. Bb3 {[%emt 0:01:50] [#]} Nc6 $146 {[%emt 0:07:21]} ({Predecessor:} 10... d5 11. e5 Nc6 12. Nc3 Be7 13. g3 O-O 14. h4 Re8 15. h5 Nf8 16. Bf4 Bd7 {1-0 Eswaran,A (2244)-Xie,B (2049) PNWCC Online Masters rapid 2020 (9.25)}) 11. Be3 {[%emt 0:07:16]} Na5 {[%emt 0:07:53]} 12. Nbd2 {[%emt 0:08:24]} Nxb3 13. Qxb3 {[%emt 0:03:18]} Be7 {[%emt 0:10:25]} 14. a4 {[%emt 0:12:30]} Rb8 {[%emt 0:05:39]} 15. d5 {[%emt 0:06:10]} Bd6 {[%emt 0:11:02]} 16. a5 {[%emt 0:10:00]} (16. Qc3 $14) 16... Bc7 {[%emt 0:03:04]} (16... Bb7 $11 {keeps the balance.}) 17. Qc3 {[%emt 0:03:05]} (17. Qb4 $16 {d6 is the strong threat.} d6 18. Nd4) 17... f6 {[%emt 0:04:36]} ({Black should try} 17... O-O $14) 18. Rfc1 {[%emt 0:07:15]} Bd6 {[%emt 0:01:07]} (18... Bf4 {keeps fighting.} 19. Bb6 Qe7) 19. Bb6 $18 {[%emt 0:06:16]} Qe7 {[%emt 0:02:29] [#]} 20. Bc7 {[%emt 0:02:40]} (20. e5 $1 $18 {[%cal Re5d6]} Bxe5 21. Nxe5 fxe5 22. Qc7) 20... Ra8 $16 {[%emt 0:04:38]} 21. dxe6 {[%emt 0:01:23] Hoping for Bxd6. White is more active.} Qxe6 {[%emt 0:00:45][%mdl 8192]} (21... Bxc7 $16 {is more resistant.} 22. Qxc7 O-O) 22. Nd4 $18 {[%emt 0:01:29]} Be5 {[%emt 0:00:32]} 23. Nxe6 {[%emt 0:01:43] Excellent horsemanship.} Bxc3 {[%emt 0:00:09]} 24. Nxg7+ {[%emt 0:00:23]} ({Not} 24. bxc3 dxe6 25. c4 Bd7 $14) 24... Kf7 {[%emt 0:00:09]} 25. Rxc3 {[%emt 0:00:28]} Kxg7 {[%emt 0:00:06] Black is weak on the dark squares} 26. Nb3 {[%emt 0:01:15]} Bb7 {[%emt 0:01:07]} 27. Nc5 {[%emt 0:04:20]} Bc6 {[%emt 0:00:43]} 28. Rd1 {[%emt 0:00:49]} Ra7 {[%emt 0:00:21]} 29. Bg3 {[%emt 0:01:03]} h5 {[%emt 0:01:05]} 30. h4 {[%emt 0:00:41]} Re8 {[%emt 0:00:26]} 31. f3 {[%emt 0:00:28]} Re7 {[%emt 0:01:03]} 32. Rcd3 {[%emt 0:00:43]} Nf8 {[%emt 0:00:54]} 33. Bd6 {[%emt 0:00:27]} Rf7 {[%emt 0:00:10]} 34. Bxf8+ {[%emt 0:00:54]} Kxf8 {[%emt 0:00:08]} 35. b4 {[%emt 0:00:34]} Re7 {[%emt 0:01:20]} 36. Rd6 {[%emt 0:00:36]} Kf7 {[%emt 0:00:22]} 37. Kf2 {[%emt 0:00:55]} Kg7 {[%emt 0:00:32]} 38. Nb3 {[%emt 0:00:35]} Rc7 {[%emt 0:00:58]} 39. Nd4 {[%emt 0:00:31]} Kf7 {[%emt 0:00:13]} 40. Nf5 {[%emt 0:01:39]} Re8 {[%emt 0:01:30]} 41. Ne3 {[%emt 0:01:15]} Re7 {[%emt 0:00:26]} 42. Nf5 {[%emt 0:02:20]} Re8 $1 {[%emt 0:00:25]} 43. Ke3 {[%emt 0:00:25] White is clearly winning.} Ra7 {[%emt 0:01:05] [#]} (43... Re6 $142 44. Kf4 Kg6) 44. Rxc6 $1 {[%emt 0:00:43][%mdl 576] Clearance} dxc6 {[%emt 0:00:09]} 45. Nd6+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:11]} 46. Nxe8 {[%emt 0:00:03]} Kxe8 {[%emt 0:00:09]} 47. Rd6 {[%emt 0:00:10][%csl LRc6,LRf6] Weighted Error Value: White=0.33/Black=0.49} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.3"]
[White "Pycha, Patrik"]
[Black "Sadil, Antonin"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2029"]
[BlackElo "1683"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 11,67,6,13,1,18,17,23,16,41,47,148,88,90,38,42,44,76,23,56,65,66,41,43,50,149,36,93,95,79,85,243,187,381,358,372,320,290,218,236,162,258,212,173,96,421,320,321,321,840,846,1131,1131,1072,1053,1061,1035,7224,6335]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:30]} 2. d4 {[%emt 0:00:05]} d5 {[%emt 0:00:22]} 3. e5 {[%emt 0:00:05]} Bf5 {[%emt 0:00:09]} 4. h4 {[%emt 0:00:06]} h5 {[%emt 0:01:08]} 5. Bd3 {[%emt 0:00:05]} Bxd3 {[%emt 0:00:19]} 6. Qxd3 {[%emt 0:00:07]} e6 {[%emt 0:00:17]} 7. Bg5 {[%emt 0:00:06] B12: Caro-Kann: Advance Variation.} Be7 {[%emt 0:02:12]} 8. Nf3 {[%emt 0:00:06]} Nd7 {[%emt 0:04:13]} 9. Nbd2 {[%emt 0:00:14] White has an edge.} Bxg5 {[%emt 0:01:13]} 10. hxg5 {[%emt 0:00:28] [#]} Qb6 $146 {[%emt 0:01:15] [#]} (10... Ne7 $14) ({Predecessor:} 10... Ne7 11. O-O-O Qa5 12. Kb1 O-O-O 13. Rh2 g6 14. Rdh1 Rhf8 15. Ne1 Qb6 16. c3 Kb8 {0-1 Langford,J (1846)-Winsley,N (1809) NZL-ch rapid op 130th 2023 (4)}) 11. g4 {[%emt 0:00:22]} (11. g6 $142 $1 {[%cal Rg6f7] And now gxf7+ would win.} f6 12. O-O-O) 11... Ne7 $16 {[%emt 0:03:54]} 12. gxh5 {[%emt 0:02:02]} (12. Rxh5 $16 Rxh5 13. gxh5) 12... Qxb2 $14 {[%emt 0:01:50]} 13. Rb1 {[%emt 0:00:48]} Qxa2 {[%emt 0:01:13] [#]} 14. Rxb7 {[%emt 0:02:16]} (14. Ke2 $1 $16 {Strongly threatening Ra1.} Qa4 15. Ra1 (15. Rxb7 c5 $11)) 14... Rb8 {[%emt 0:01:20]} 15. Rxb8+ {[%emt 0:00:28]} Nxb8 {[%emt 0:00:10]} 16. Ke2 {[%emt 0:00:36]} Nd7 {[%emt 0:04:00][%cal Oe7g6]} 17. Nb3 {[%emt 0:01:02] Black must now prevent Ra1.} Qa4 {[%emt 0:02:06]} (17... Qb2 $14) 18. h6 {[%emt 0:08:12]} ({Only move:} 18. Ra1 $16 Qc4 19. Qxc4 (19. Rxa7 Qxd3+ 20. cxd3 Nc8 $18) 19... dxc4 20. Nbd2) 18... Qb5 {[%emt 0:03:22]} (18... Ng6 $14 19. Kd2 (19. hxg7 Rxh1 20. g8=Q+ Ndf8 $11) 19... O-O) 19. Ra1 $16 {[%emt 0:10:42] White is more active.} (19. hxg7 $2 {perishes.} Rxh1 20. Qxb5 cxb5 $19) ({Reject} 19. h7 $6 Qxd3+ 20. Kxd3 Nf8 $11) 19... Qxd3+ {[%emt 0:01:48]} 20. Kxd3 {[%emt 0:00:08]} Nf5 {[%emt 0:01:05]} (20... gxh6 $16 {keeps fighting.} 21. Rxa7 Nb6) 21. Rxa7 $18 {[%emt 0:00:28]} Rh7 $2 {[%emt 0:04:28] [#]} (21... Nf8 22. Ra8+ Ke7 23. Ra7+ Ke8) 22. g6 $1 {[%emt 0:03:13][%mdl 512]} fxg6 {[%emt 0:01:03]} 23. Ng5 {[%emt 0:00:17]} Rxh6 {[%emt 0:01:10]} 24. Nxe6 {[%emt 0:00:08]} Rh3+ {[%emt 0:01:14]} 25. Kd2 {[%emt 0:01:48]} Rf3 {[%emt 0:02:43]} (25... Nb6 $142 26. Nxg7+ Nxg7) 26. Nc7+ {[%emt 0:09:20]} Ke7 {[%emt 0:02:25]} 27. Ke2 {[%emt 0:06:50]} (27. c3 $18 Rxf2+ 28. Ke1) 27... Rf4 $2 {[%emt 0:07:20][%mdl 8192]} (27... Rc3 $16 {is more resistant.}) 28. e6 {[%emt 0:06:34]} Re4+ {[%emt 0:01:31]} 29. Kd3 {[%emt 0:00:19]} Nf6 {[%emt 0:03:19]} (29... Rxe6 30. Nxe6 Kxe6) 30. Nxd5+ {[%emt 0:01:09] White is clearly winning.} Kf8 {[%emt 0:02:49]} 31. Nxf6 {[%emt 0:00:47][%csl Ge6][%cal Ra7f7]} Rxe6 {[%emt 0:00:54]} 32. Nd7+ {[%emt 0:00:19]} Kg8 {[%emt 0:00:58]} 33. Ra8+ {[%emt 0:00:28]} Kh7 {[%emt 0:00:13]} 34. Nf8+ {[%emt 0:00:05] Weighted Error Value: White=0.40/Black=0.71} 1-0

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.4"]
[White "Pavlis, Matej"]
[Black "Pressler, Tobias"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1868"]
[BlackElo "2096"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 16,86,-46,-61,-46,-58,-51,-75,-56,-79,-47,-45,-36,-57,0,-4,-8,-45,-23,-31,0,0,0,-4,0,0,-7,0,-15,-42,-22,-137,-127,-136,-133,-124,-102,-105,-35,-40,0,0,-14,-97,0,-168,0,-384,-377,-382,-191,-634,-233,-625,-625,-611,-611,-604,-586,-657,-627,-819,-633,-5377,-2950,-12834,-12835,-12835,-12835,-12830,-5727,-29995,-1356]} 1. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:04]} 2. b3 {[%emt 0:00:05]} Nf6 {[%emt 0:02:24]} 3. Bb2 {[%emt 0:00:08]} c5 {[%emt 0:00:45]} 4. g3 {[%emt 0:00:48]} Nc6 {[%emt 0:00:10]} 5. Bg2 {[%emt 0:00:06]} g6 {[%emt 0:01:07]} 6. O-O {[%emt 0:00:30]} Bg7 {[%emt 0:00:03]} 7. c4 {[%emt 0:00:57]} O-O {[%emt 0:00:49]} 8. d3 {[%emt 0:00:39]} d4 {[%emt 0:09:28]} 9. Nbd2 {[%emt 0:06:28]} Bf5 {[%emt 0:02:52] A05: Réti Opening: 1 Nf3 Nf6.} 10. Ng5 {[%emt 0:02:16]} Qd7 {[%emt 0:01:57]} 11. Nge4 {[%emt 0:00:26]} b6 {[%emt 0:00:14] Black is better.} 12. Re1 {[%emt 0:01:35] [#]} Rae8 $146 {[%emt 0:02:05]} ({Predecessor:} 12... Rac8 13. a3 h6 14. Nxf6+ Bxf6 15. Nf3 Bh3 16. Bh1 Bg7 17. Qd2 a5 18. e4 Bg4 {0-1 Toderita,D (1700)-Rendi,E (2129) ROM-ch sf U18 Girls 2002}) 13. Nxf6+ {[%emt 0:09:08]} exf6 {[%emt 0:04:18]} 14. Nf3 {[%emt 0:04:10]} Ne5 {[%emt 0:01:26]} ({Black should try} 14... a5 $15) 15. b4 $11 {[%emt 0:02:28]} Bh3 {[%emt 0:01:20]} (15... cxb4 16. Nxd4 Bh3 17. Bd5 $14) 16. Nxe5 {[%emt 0:03:37]} Rxe5 {[%emt 0:00:21]} 17. Bf3 {[%emt 0:01:21]} Rfe8 {[%emt 0:04:58]} (17... cxb4 {looks sharper.} 18. a3 b3 19. a4 Rfe8) 18. bxc5 {[%emt 0:00:37]} bxc5 {[%emt 0:00:10]} 19. Rb1 {[%emt 0:03:38]} Bh6 {[%emt 0:06:39]} 20. Bc1 {[%emt 0:10:51]} Bxc1 {[%emt 0:00:55]} 21. Qxc1 {[%emt 0:00:09]} Kg7 {[%emt 0:10:58]} 22. Qa3 {[%emt 0:07:07]} h5 {[%emt 0:06:57]} 23. Qa6 {[%emt 0:04:01]} (23. Be4 $11) 23... Qf5 $17 {[%emt 0:23:40][%cal Of5f3]} 24. Be4 {[%emt 0:03:27]} Rxe4 {[%emt 0:00:59]} 25. dxe4 {[%emt 0:00:15]} Rxe4 {[%emt 0:00:03]} 26. Qb7 {[%emt 0:06:08]} (26. Qxa7 Rxe2) 26... h4 {[%emt 0:04:57]} (26... Re5 $1 $17 {[%cal Oh5h4]} 27. Rb2 (27. Qxa7 Rxe2) 27... Qe6) 27. Rb3 $1 $15 {[%emt 0:08:47]} (27. Qxa7 Rxe2) 27... g5 {[%emt 0:03:55][%mdl 1024] Black has compensation.} (27... Qe6 $5 {[%cal Re4e2]} 28. Rb2 d3 $15) 28. Qd5 {[%emt 0:01:11]} (28. Qxa7 Qe6 29. Qb6 (29. Qxc5 Rxe2) 29... Qxc4 $17) 28... Re5 {[%emt 0:00:49]} 29. Qf3 {[%emt 0:00:44]} (29. Qd8 $1 $11 {remains equal.}) 29... Qe6 $40 {[%emt 0:00:43][%mdl 128] Black mounts an attack. Black is more active.} (29... Qxf3 $17 30. Rxf3 Bg4) 30. Rb2 $2 {[%emt 0:13:27]} (30. Rb8 $11 Bf5 31. Qa8 (31. Qh5 $2 Bh7 $19)) 30... Bg4 $2 {[%emt 0:05:01]} ({Black should play} 30... Bf5 $19 {...Be4 is the strong threat.} 31. Rf1 Be4) 31. Qd3 {[%emt 0:00:14][%mdl 8192]} (31. Qa8 $1 $11 {and White has nothing to worry.}) 31... Bf5 $19 {[%emt 0:01:24]} 32. Qb3 {[%emt 0:00:13] [#]} d3 $1 {[%emt 0:00:07][%mdl 512]} 33. e3 $2 {[%emt 0:00:31]} (33. Qd1) (33. Qc3 dxe2) 33... h3 $2 {[%emt 0:01:01]} (33... hxg3 34. a4 (34. hxg3 $2 {loses.} Be4 $19) 34... gxh2+ 35. Kxh2 Re4) 34. Rd2 $2 {[%emt 0:03:38]} (34. a3) 34... Qc6 {[%emt 0:00:09][%csl Gh3][%cal Rc6g2] White is weak on the light squares} 35. f4 {[%emt 0:02:01] [#]} gxf4 {[%emt 0:00:25]} 36. gxf4 {[%emt 0:00:05]} Re6 {[%emt 0:01:16][%cal Be5e6,Be6e8,Be8g8,Bg8g2][%mdl 32]} 37. Qd1 {[%emt 0:00:36]} Kh6 {[%emt 0:01:21] Inhibits Qh5+.} 38. Rf2 {[%emt 0:00:33]} Re8 {[%emt 0:00:42]} 39. Qf3 {[%emt 0:03:00]} Rg8+ {[%emt 0:00:06]} 40. Kf1 {[%emt 0:00:07]} Qxf3 {[%emt 0:00:11][%mdl 64] Deflection} 41. Rxf3 {[%emt 0:00:06]} d2 {[%emt 0:00:02]} 42. Ke2 {[%emt 0:04:48]} Rg2+ {[%emt 0:00:18]} 43. Kd1 {[%emt 0:00:13]} Bc2+ {[%emt 0:00:05][%mdl 64] Promotion.   Weighted Error Value: White=1.10/Black=0.40} 0-1

[Event "Czech Youth Championship Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.5"]
[White "Hlavac, Rudolf"]
[Black "Juracak, David"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1985"]
[BlackElo "1820"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 15,62,20,48,37,59,18,12,9,14,8,14,13,16,8,14,10,270,273,270,248,260,0,0,0,239,254,238,243,380,138,583,576,588,560,572,582,576,537,581,590,572,582,619,622,622,561,539,-337,-275]} 1. e4 {[%emt 0:15:50]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:16]} Nf6 {[%emt 0:00:05]} 3. Nxe5 {[%emt 0:00:17]} d6 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:10]} Nxe4 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:05]} 6. Bd3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:15]} 7. O-O {[%emt 0:00:29]} Be7 {[%emt 0:00:05]} 8. Re1 {[%emt 0:00:51]} Nf6 {[%emt 0:02:08]} 9. h3 {[%emt 0:01:53] C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} O-O {[%emt 0:00:10]} 10. Bf4 {[%emt 0:01:34]} Nb4 {[%emt 0:03:16]} 11. Bf1 {[%emt 0:00:41] The position is equal.} Bf5 {[%emt 0:00:21]} 12. Na3 {[%emt 0:00:37]} c5 {[%emt 0:07:27] [#]} 13. dxc5 $146 {[%emt 0:02:08]} ({Predecessor:} 13. c3 Nc6 14. Qb3 Na5 15. Qa4 Ne4 16. Nb5 Nc6 17. dxc5 Bxc5 18. Be3 Qf6 19. Nbd4 {½-½ Ricardi,P (2545)-Sulypa,O (2415) Ubeda op 4th 1999 (5)}) 13... Bxc5 {[%emt 0:00:11]} 14. c3 {[%emt 0:00:22]} Nc6 {[%emt 0:00:36][%cal Oc5f2]} 15. Nb5 $36 {[%emt 0:04:32][%mdl 2048] White is more active.} Qb6 $2 {[%emt 0:01:40][%mdl 8192] [#]} (15... Rc8 $11) 16. Bc7 $1 $18 {[%emt 0:03:38]} Bxf2+ {[%emt 0:02:42]} 17. Kh1 {[%emt 0:00:26]} Qc5 {[%emt 0:01:47]} 18. Bd6 {[%emt 0:04:13]} Qb6 {[%emt 0:00:30]} 19. Bc7 $1 {[%emt 0:02:30]} Qc5 {[%emt 0:01:18]} 20. b4 {[%emt 0:18:31]} Nxb4 {[%emt 0:00:11]} 21. cxb4 {[%emt 0:00:19]} (21. Bd6 $6 Qb6 $16) 21... Qxb4 {[%emt 0:02:02]} (21... Qc6 {was worth a try.} 22. Rc1 Qd7) 22. Re5 $2 {[%emt 0:01:35] [#]} (22. a3 $18 Qb2 23. Be5) 22... Bd7 $2 {[%emt 0:01:48][%mdl 8192]} (22... Be4 $16) 23. a3 {[%emt 0:03:08]} ({Not} 23. Bd6 Qa5 $18) 23... Qf4 {[%emt 0:07:25]} 24. Re2 {[%emt 0:04:23][%csl LRf2,LRf4]} Qh6 {[%emt 0:00:05]} 25. Rxf2 {[%emt 0:00:28]} Ne4 {[%emt 0:00:36]} 26. Rb2 {[%emt 0:01:25]} Rac8 {[%emt 0:01:15]} 27. Bh2 {[%emt 0:03:04]} Bxb5 {[%emt 0:04:36]} 28. Bxb5 {[%emt 0:00:47]} Rc5 {[%emt 0:00:19]} 29. Bd3 {[%emt 0:02:00]} Rfc8 {[%emt 0:00:41]} 30. Bf1 {[%emt 0:06:59]} (30. Rxb7 $2 {loses.} Nf2+ 31. Kg1 Nxd1 32. Rxd1 Rc1 33. Rxc1 Qxc1+ 34. Bf1 Qxa3 $19) 30... b6 {[%emt 0:04:26]} 31. Rbb1 $4 {[%mdl 8192]} (31. Ba6 $18 {avoids the disaster.} Qc1 32. Re2 (32. Bxc8 Qxb2 33. Be5 Nf2+ 34. Kh2 Nxd1 $16) 32... Qxd1+ 33. Rxd1) 31... Nf2+ {Weighted Error Value: White=0.53/Black=0.58} 0-1

