[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.1"]
[White "Lang, Simon"]
[Black "Prazak, Daniel"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1974"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 18,64,16,18,27,-14,0,0,0,0,0,0,21,24,27,22,26,26,26,26,26,26,26,28,32,15,31,0,8,4,12,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:21]} e5 {[%emt 0:00:54]} 2. Nf3 {[%emt 0:00:59]} Nc6 {[%emt 0:00:08]} 3. Bb5 {[%emt 0:01:12]} Nf6 {[%emt 0:00:24]} 4. O-O {[%emt 0:00:55][%cal Bh1f1,Bf1e1,Be1e5][%mdl 32]} Nxe4 {[%emt 0:00:56]} 5. Re1 {[%emt 0:00:36]} Nd6 {[%emt 0:00:43]} 6. Nxe5 {[%emt 0:01:21]} Be7 {[%emt 0:00:09]} 7. Bf1 {[%emt 0:01:30]} Nxe5 {[%emt 0:00:26]} 8. Rxe5 {[%emt 0:00:18]} O-O {[%emt 0:00:18]} 9. d4 {[%emt 0:02:38][%cal Bd2d4,Bd4d5][%mdl 32]} Bf6 {[%emt 0:00:20]} 10. Re1 {[%emt 0:01:25]} Re8 {[%emt 0:02:23] C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 11. d5 {[%emt 0:07:55]} Rxe1 {[%emt 0:04:23]} 12. Qxe1 {[%emt 0:00:13]} b6 {[%emt 0:00:54]} 13. Nc3 {[%emt 0:14:26]} Bb7 {[%emt 0:03:48][%cal Bc8b7,Bb7d5,Bd5e6][%mdl 32]} 14. Bf4 {[%emt 0:03:02]} Bxc3 {[%emt 0:07:31]} 15. Qxc3 {[%emt 0:00:53]} Bxd5 {[%emt 0:01:58]} 16. Rd1 {[%emt 0:06:08] [#]} Be6 $146 {[%emt 0:13:50]} ({Predecessor:} 16... Bc6 17. Bxd6 cxd6 18. Rxd6 Qe7 19. Rd3 Re8 20. Re3 Qf8 21. h3 g6 22. Bc4 Rxe3 23. Qxe3 {½-½ Munguntuul,B (2426)-Shen,Y (2459) CHN-chT China 2015 (20.6)}) 17. Bxd6 {[%emt 0:03:13]} cxd6 {[%emt 0:00:06]} 18. Rxd6 {[%emt 0:00:54]} Rc8 {[%emt 0:01:36]} 19. Qd2 {[%emt 0:01:55]} Qf6 {[%emt 0:07:48]} 20. c3 {[%emt 0:06:43]} Qe5 {[%emt 0:04:35]} 21. a4 {[%emt 0:08:28]} g6 {[%emt 0:03:30]} 22. Qd4 {[%emt 0:05:00]} Qe1 {[%emt 0:01:03] The position is equal.} 23. Qd1 {[%emt 0:00:56]} Qe5 {[%emt 0:00:56]} (23... Qxd1 {simplifies} 24. Rxd1 Kf8 25. f3 Rc5) 24. Qd4 {[%emt 0:00:33]} Qe1 {[%emt 0:00:36] [#] Strongly threatening ...Bc4.} 25. Qd1 {[%emt 0:05:11]} Qe5 {[%emt 0:01:04]} (25... Qxd1 {simplifies} 26. Rxd1 Kf8 27. Rd4 Ke7) 26. g3 {[%emt 0:03:38]} Rc5 {[%emt 0:05:27]} 27. Qd4 {[%emt 0:04:08]} Qe1 {[%emt 0:01:43] White must now prevent ...Bc4.} 28. Qd1 $1 {[%emt 0:00:39]} Qe5 {[%emt 0:00:21]} 29. Qd4 {[%emt 0:00:42]} Qe1 {[%emt 0:00:07] [#] ...Re5 would be deadly.} 30. Qd1 $1 {[%emt 0:00:11]} Qe5 {[%emt 0:00:07]} 31. Qd4 {[%emt 0:04:33]} Qe1 {[%emt 0:00:10] Hoping for ...Re5.} 32. Qd1 $1 {[%emt 0:00:25]} Qe5 {[%emt 0:00:09] An even fight not without its subleties.   Weighted Error Value: White=0.05 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.2"]
[White "Tillmann, Stanislav"]
[Black "Fizer, Marek"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1907"]
[BlackElo "1929"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 19,142,17,5,2,-1,0,0,-2,0,0,0,0,0,0,0,-27,0,-53,-49,-42,-33,-82,-27,-102,0,0,0,-6,0,0,22,-22,-20,-23,0,-7,0,-50,-22,-17,0,0,53,48,51,46,53,44,59,-114,274,-63,-71,-93,-105,-127,-75,-85,-42,-42,-42,-77,-45,-86,-52,-62,-65,-173,-173,-223,-223,-795,-345,-316,-314,-327,-182,-290,-283,-283,-260,-411,-404,-404,-404,-452,-404,-404,-397,-396,-370,-377,-329,-814,-725,-1124,-1124,-29969,-29970,-29970,-29971,-29972,-29973,-29972,-29970,-29969,-29968,-29967,-29963,-29960,-29961,-29959,-29963,-29962,-29965,-29974,-29975,-29975,-29976,-29977,-29977,-29977,-29978,-29979,-29980]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:21]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:39]} 6. Be2 {[%emt 0:00:32]} e5 {[%emt 0:00:34]} 7. Nf3 {[%emt 0:00:26]} Be7 {[%emt 0:00:33]} 8. Bg5 {[%emt 0:01:13]} Be6 {[%emt 0:01:25]} 9. O-O {[%emt 0:01:15]} O-O {[%emt 0:01:24]} 10. Bxf6 {[%emt 0:03:06]} Bxf6 {[%emt 0:01:21]} 11. Nd5 {[%emt 0:00:13] B92: Sicilian Najdorf: 6 Be2.} Nd7 {[%emt 0:01:48]} 12. Bc4 {[%emt 0:06:08]} Qc8 {[%emt 0:03:44]} 13. Bb3 {[%emt 0:12:03] [#] The position is equal.} Qc6 $146 {[%emt 0:02:42]} ({Predecessor:} 13... Bd8 14. Qe2 Nc5 15. Rfd1 Kh8 16. Nd2 b5 17. a4 bxa4 18. Ba2 Rb8 19. Nc4 Qc6 {1-0 Cassi,E (1965)-Saravanan,D (1736) Wch U20 Girls 38th 2022 (10)}) 14. Qe2 {[%emt 0:03:27]} Bd8 {[%emt 0:05:56]} 15. Rad1 {[%emt 0:10:08]} Nc5 {[%emt 0:04:28]} 16. Rfe1 {[%emt 0:08:47]} b5 {[%emt 0:16:44][%cal Bb7b5,Bb5b4][%mdl 32]} 17. Qd2 {[%emt 0:09:01]} a5 {[%emt 0:11:44]} 18. Nc3 {[%emt 0:03:12]} ({Better is} 18. a3 $11) 18... b4 $15 {[%emt 0:05:11] Hoping for ...Nxb3.} 19. Nd5 {[%emt 0:00:06]} Rb8 {[%emt 0:01:38]} 20. Bc4 {[%emt 0:03:10]} (20. Qe2 $15) 20... Bg4 {[%emt 0:04:32]} (20... f5 21. exf5 Rxf5 22. Ne3 $16) ({Black should try} 20... Na4 $1 $17 {[%cal Ra4b2] Strongly threatening ...Nxb2!} 21. Bb3 (21. b3 Nb2 $17) 21... Nxb2) 21. Qe3 {[%emt 0:03:02]} (21. b3 $11 {keeps the balance.}) 21... Ne6 {[%emt 0:02:01]} (21... Na4 $1 $17 {[%cal Ra4b2] ...Nxb2! would be deadly.} 22. Bb3 (22. b3 Nb2 $17) 22... Nxb2) 22. b3 $11 {[%emt 0:06:09]} Kh8 {[%emt 0:09:03]} 23. h3 {[%emt 0:01:29]} Bh5 {[%emt 0:05:01]} 24. c3 {[%emt 0:01:59]} Bb6 {[%emt 0:05:05]} 25. Qd3 {[%emt 0:09:41]} Bc5 {[%emt 0:02:18]} 26. Rc1 {[%emt 0:01:59]} Qb7 {[%emt 0:03:24]} 27. Nh4 {[%emt 0:04:26]} Qa7 {[%emt 0:01:27]} 28. Qg3 {[%emt 0:00:26]} (28. Rf1 $11) 28... bxc3 {[%emt 0:02:01]} (28... g6 {with more complications.} 29. Nf6 Nf4 30. cxb4 axb4 31. Rc2 Qe7) 29. Nf5 {[%emt 0:01:12]} Bg6 {[%emt 0:03:23]} 30. Rxc3 {[%emt 0:04:56]} (30. Qxc3 $2 Bxf2+ 31. Kh1 Bxe1 32. Qxe1 a4 $19) 30... Bb4 {[%emt 0:01:49]} (30... Nd4 $11) 31. Nxb4 $14 {[%emt 0:00:12]} axb4 {[%emt 0:00:08]} 32. Rd3 {[%emt 0:00:39]} Bxf5 {[%emt 0:00:49][%mdl 64] Remove Defender} 33. exf5 {[%emt 0:00:03]} Nd4 {[%emt 0:01:08]} 34. Qg5 {[%emt 0:01:00]} (34. f6 $1 $14 {was the only good move.} g6 35. Qe3) 34... Qd7 $2 {[%emt 0:01:50][%mdl 8192] [#]} (34... Qxa2 35. f6 Rg8 36. Bxf7 gxf6 37. Qxf6+ Rg7 38. Rg3 $18) (34... f6 $17 35. Qd2 Qc5) 35. Rxd4 $2 {[%emt 0:03:48]} f6 $1 $36 {[%emt 0:01:20][%mdl 2048] Black has strong initiative.} 36. Qh5 {[%emt 0:00:37][%cal Oh5h7] White threatens Qxh7+! and mate.} exd4 {[%emt 0:00:17]} 37. Re4 {[%emt 0:00:25][%cal Oh5h7] [#] Qxh7+! would kill now.} h6 {[%emt 0:00:38]} ({Black should play} 37... d5 $1 {[%cal Rd5e4]} 38. Rxd4 Qe7) 38. Rxd4 $17 {[%emt 0:01:20]} Rfe8 {[%emt 0:00:56]} 39. Be6 {[%emt 0:00:10]} Qc6 {[%emt 0:01:22][%cal Od6d5]} 40. h4 {[%emt 0:03:16]} Qc1+ {[%emt 0:00:27]} 41. Kh2 {[%emt 0:01:07][%cal Od4b4]} Qc5 {[%emt 0:03:27]} 42. Qd1 {[%emt 0:04:53]} Ra8 {[%emt 0:02:41]} 43. Qd2 {[%emt 0:02:12] Black continues to play with concentration.} (43. Rd2 $15) 43... Rxa2 $1 $19 {[%emt 0:01:05][%mdl 64] Deflection} 44. Qxb4 {[%emt 0:02:31] [#]} (44. Qf4 {is a better defense.}) 44... Qe5+ $1 {[%emt 0:01:39]} ({And not} 44... Rxf2 45. Qxc5 dxc5 46. Rc4 $17) 45. f4 $2 {[%emt 0:00:59]} (45. Kh3) 45... Qe2 {[%emt 0:00:26]} (45... Qe3 $142 {( -> ...Qf2)} 46. Bd5 Re2) 46. Qb7 {[%emt 0:02:03]} Qf2 {[%emt 0:00:42]} 47. Rd3 {[%emt 0:00:44]} Ra1 {[%emt 0:10:21]} (47... Qxf4+ $2 {perishes.} 48. Rg3 Qxh4+ 49. Rh3) (47... Qxh4+ $142 48. Rh3 Qxf4+ 49. Rg3 Qh4+ 50. Rh3 Qf2) 48. Rg3 {[%emt 0:05:40] [#]} (48. Qd7 {keeps fighting.} Rea8 49. Qxd6 Qxh4+ 50. Rh3) 48... Rh1+ $3 {[%emt 0:00:20][%mdl 576] Skewer, Deflection} 49. Kxh1 {[%emt 0:00:02][%csl Gg3][%cal Rb7g7]} Qxg3 {[%emt 0:00:08][%mdl 4096] Endgame KQR-KQB} 50. b4 {[%emt 0:01:23]} (50. Qc6 $142 Rd8 51. Qf3 Qxh4+ 52. Kg1) 50... Qxh4+ {[%emt 0:00:39]} (50... Qxf4 $2 {too greedy.} 51. h5 $19) 51. Kg1 {[%emt 0:00:03]} d5 {[%emt 0:08:55]} 52. b5 {[%emt 0:01:27]} Qxf4 {[%emt 0:00:49]} 53. Qxd5 {[%emt 0:02:51]} Qe3+ {[%emt 0:00:52]} 54. Kh2 {[%emt 0:01:11]} Qe5+ {[%emt 0:00:32]} 55. Qxe5 {[%emt 0:00:50]} fxe5 {[%emt 0:00:04] KR-KB} 56. g4 $2 {[%emt 0:02:08] [#]} (56. Bd7 Rd8 57. Bc6) 56... g6 $1 {[%emt 0:01:52]} 57. Bf7 {[%emt 0:06:11]} (57. Kg3 Rb8) 57... Rb8 {[%emt 0:00:14]} 58. fxg6 {[%emt 0:00:12]} Rxb5 {[%emt 0:00:24] Black mates.} 59. Kg3 {[%emt 0:00:24]} Kg7 {[%emt 0:00:17]} 60. Kf3 {[%emt 0:00:05]} Rb4 {[%emt 0:00:06]} 61. Kg3 {[%emt 0:00:20]} Kf6 {[%emt 0:00:35]} 62. Kf3 {[%emt 0:00:12]} Rf4+ {[%emt 0:00:37]} 63. Kg3 {[%emt 0:00:08]} Ra4 {[%emt 0:00:53]} 64. Kf3 {[%emt 0:00:30]} Ra3+ {[%emt 0:00:11]} 65. Kf2 {[%emt 0:00:09]} e4 {[%emt 0:00:31]} 66. Kg2 {[%emt 0:00:13]} Ra4 {[%emt 0:03:49]} 67. Kg3 {[%emt 0:01:03]} e3 {[%emt 0:00:43]} 68. Kf3 {[%emt 0:00:10] [#]} Rxg4 $3 {[%emt 0:00:23][%mdl 576] Deflection, Promotion} 69. Kxe3 {[%emt 0:00:03]} h5 {[%emt 0:00:26][%cal Bh6h5,Bh5h4][%mdl 32]} 70. Kf3 {[%emt 0:00:08]} Rg5 {[%emt 0:00:39]} 71. Kf2 {[%emt 0:00:42]} h4 {[%emt 0:00:09] A superb game by Fizer.   Weighted Error Value: White=0.68/Black=0.37} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.3"]
[White "Seidl, Jan"]
[Black "Paseka, Matyas"]
[Result "0-1"]
[ECO "E63"]
[WhiteElo "2025"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 24,94,5,4,47,43,120,120,127,131,129,120,139,125,125,138,140,148,142,139,172,158,166,147,146,146,144,151,147,146,166,147,193,196,239,239,235,201,277,161,142,53,166,166,172,161,172,160,173,161,158,150,180,180,206,206,316,316,312,282,337,330,372,329,331,320,345,-704,-687,-660,-652,-661,-631]} 1. d4 {[%emt 0:00:25]} Nf6 {[%emt 0:00:09]} 2. c4 {[%emt 0:00:05]} g6 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:12]} O-O {[%emt 0:00:10]} 5. Bg2 {[%emt 0:00:02]} d6 {[%emt 0:00:10]} 6. O-O {[%emt 0:00:08]} a6 {[%emt 0:00:08]} 7. Nc3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:07]} 8. h3 {[%emt 0:00:11]} Bd7 {[%emt 0:00:20]} 9. e4 e5 {[%emt 0:00:16]} 10. Be3 {[%emt 0:05:36]} exd4 {[%emt 0:02:31]} 11. Nxd4 {[%emt 0:00:14]} Re8 {[%emt 0:00:41]} 12. Re1 {[%emt 0:01:17]} Qc8 {[%emt 0:05:17]} 13. Kh2 {[%emt 0:00:10]} Re5 {[%emt 0:01:48] E63: King's Indian: Fianchetto: Panno Variation with 7...a6.} 14. g4 {[%emt 0:29:40] [#]} Bxg4 $146 {[%emt 0:12:55]} ({Predecessor:} 14... Nxg4+ 15. hxg4 Bxg4 16. f3 Rh5+ 17. Kg1 Bh3 18. Nxc6 bxc6 19. Qd2 Rb8 20. Rac1 Be5 21. b3 {1-0 Yevseev,D (2520)-Erdogdu,M (2489) Lvov Vasylyshyn Memorial 2009 (2)}) 15. hxg4 $16 {[%emt 0:00:40]} Nxg4+ {[%emt 0:00:08] White is better.} 16. Kg1 {[%emt 0:00:12]} Nxe3 {[%emt 0:00:25]} 17. Rxe3 {[%emt 0:05:50]} Rc5 {[%emt 0:07:46]} 18. Nxc6 {[%emt 0:05:39]} bxc6 {[%emt 0:00:09]} 19. Qd3 {[%emt 0:03:34]} Rb8 {[%emt 0:01:16]} 20. b3 {[%emt 0:00:37]} Rh5 {[%emt 0:00:54]} 21. Rf1 {[%emt 0:05:01]} c5 {[%emt 0:16:10]} 22. Ne2 {[%emt 0:01:07]} Qg4 {[%emt 0:02:58]} 23. Rg3 {[%emt 0:03:53]} Qh4 {[%emt 0:00:52][%csl Gh5][%cal Rh4h2]} 24. Rh3 {[%emt 0:00:14] Prevents Qh2+.} Qg4 {[%emt 0:00:20] And now ...Rxh3 would win.} 25. Qf3 {[%emt 0:04:02]} Qxf3 {[%emt 0:01:26]} 26. Rxf3 {[%emt 0:00:12]} Re8 {[%emt 0:02:06]} 27. Rd3 {[%emt 0:01:00]} Rhe5 {[%emt 0:04:27]} (27... Rh4 $16 28. Re1 h5) 28. Nf4 $18 {[%emt 0:02:29]} f5 {[%emt 0:04:04]} 29. exf5 $1 {[%emt 0:01:02]} Rxf5 {[%emt 0:00:10]} 30. Nd5 {[%emt 0:00:40]} Bd4 {[%emt 0:01:51]} 31. Rd2 {[%emt 0:05:00]} (31. Nxc7 $142 Re2 32. Bf3 (32. Nxa6 Bxf2+ 33. Kh2 Rxa2 $16) 32... Rg5+ 33. Kh1 Rxa2 34. Ne6) 31... Rf7 {[%emt 0:02:22] [#]} 32. Ne3 {[%emt 0:03:40]} Kg7 {[%emt 0:06:40]} ({Black should try} 32... Bxe3 $14 33. fxe3 Rxf1+ 34. Kxf1 Rxe3) 33. Nc2 {[%emt 0:00:42]} Be5 {[%emt 0:00:09]} 34. Bd5 {[%emt 0:00:37]} Rf4 {[%emt 0:00:22]} 35. f3 {[%emt 0:00:50]} Ref8 {[%emt 0:01:26]} 36. Rb1 {[%emt 0:00:37]} a5 {[%emt 0:02:01]} 37. Rg2 {[%emt 0:00:40]} R8f5 {[%emt 0:00:58]} 38. Kf2 {[%emt 0:00:48]} Rf8 {[%emt 0:04:00]} 39. Ke2 {[%emt 0:00:56]} h6 {[%emt 0:02:32]} (39... Rb8 $142 40. Be4 Rh4) 40. Be4 {[%emt 0:01:38]} g5 {[%emt 0:00:07]} 41. Ne3 {[%emt 0:30:51]} Bd4 {[%emt 0:33:45]} 42. Rh1 {[%emt 0:02:26]} Re8 {[%emt 0:06:20]} 43. Kd2 {[%emt 0:02:35]} Bxe3+ {[%emt 0:01:37]} 44. Kxe3 {[%emt 0:00:15]} Re5 {[%emt 0:01:57]} 45. Rg4 $4 {[%emt 0:03:13][%mdl 8192] [#]} (45. Rgh2 $18) 45... Rexe4+ $1 $19 {[%emt 0:00:18][%mdl 576] Deflection. Black is clearly winning.} 46. fxe4 {[%emt 0:00:21]} (46. Kf2 Rxg4) 46... Rxg4 {[%emt 0:00:18]} 47. Rb1 {[%emt 0:00:13]} Kf6 {Weighted Error Value: White=0.33/Black=0.25 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.4"]
[White "Simunek, Jakub Simon"]
[Black "Dolensky, Filip"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1970"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,85,14,13,-4,0,6,25,0,0,-21,-22,-31,-25,-65,-30,-32,0,0,0,0,6,6,0,-27,0,0,0,0,0,0,0,0,0,-2,57,0,46,52,34,22,56,51,66,66,62,62,48,15,70,62,52,48,38,17,17,17,173,164,145,8,23,0,8,0,2,2,2,0,2,2,2,2,2,2]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:02:02]} 2. Nf3 {[%emt 0:00:18]} e6 {[%emt 0:00:16]} 3. c3 {[%emt 0:00:06]} d5 {[%emt 0:00:44]} 4. exd5 {[%emt 0:00:08]} Qxd5 {[%emt 0:00:15]} 5. d4 {[%emt 0:01:44]} Nf6 {[%emt 0:00:48]} 6. Na3 {[%emt 0:05:09][%cal Bb1a3,Ba3c4,Bc4e5][%mdl 32]} a6 {[%emt 0:01:48]} 7. Nc4 {[%emt 0:11:25]} Nbd7 {[%emt 0:02:23]} 8. Bd3 {[%emt 0:05:59] B22: Sicilian: 2 c3.} Be7 {[%emt 0:02:22]} 9. O-O {[%emt 0:01:45]} O-O {[%emt 0:07:40] [#]} 10. Bg5 $146 {[%emt 0:09:15] White has an edge.} ({Predecessor:} 10. Re1 b5 11. Ne3 Qd6 12. Qe2 Re8 13. a4 c4 14. Bc2 Bb7 15. a5 Nd5 16. Nxd5 Qxd5 {½-½ Solomonova,L (2168)-Fatalibekova,E (2140) St Petersburg-ch Seniors (Women) 2022 (8)}) 10... b5 {[%emt 0:09:39]} 11. Nce5 {[%emt 0:05:00]} cxd4 {[%emt 0:06:16]} 12. cxd4 {[%emt 0:01:33]} Bb7 {[%emt 0:02:36]} 13. Rc1 {[%emt 0:16:08]} Rad8 {[%emt 0:16:22]} 14. Bb1 {[%emt 0:19:15]} Nxe5 {[%emt 0:18:43]} (14... Rc8 {is more complex.} 15. Qe2 Rxc1 16. Rxc1 h6) 15. dxe5 {[%emt 0:00:29]} Qxd1 {[%emt 0:01:05]} 16. Rfxd1 {[%emt 0:00:08]} Nd5 {[%emt 0:02:35][%cal Bf6d5,Bd5e7,Be7c8][%mdl 32] Black is weak on the dark squares} 17. Bxe7 {[%emt 0:07:25]} Nxe7 {[%emt 0:00:08]} 18. Rd6 {[%emt 0:00:20]} Nc8 {[%emt 0:05:41]} (18... Rc8 $5 {[%cal Rc8c1]} 19. Rcd1 Bxf3 20. gxf3 a5 $11) 19. Rxd8 {[%emt 0:00:57]} Rxd8 {[%emt 0:00:02]} 20. Ng5 {[%emt 0:00:18]} h6 {[%emt 0:03:29]} 21. Be4 {[%emt 0:00:48]} Bxe4 {[%emt 0:00:49]} 22. Nxe4 $11 {[%emt 0:00:05][%mdl 4096] Endgame KRN-KRN} Ne7 {[%emt 0:00:52]} 23. g3 $1 {[%emt 0:00:23]} Rc8 {[%emt 0:01:47]} (23... Rd5 $11) 24. Rc5 {[%emt 0:03:11]} (24. Rxc8+ $14 Nxc8 25. Nc5) 24... Rxc5 {[%emt 0:00:41]} (24... Rd8 $11 {was preferrable.}) 25. Nxc5 {[%emt 0:00:16] KN-KN} a5 {[%emt 0:00:39]} 26. f4 {[%emt 0:02:07]} Nc6 {[%emt 0:00:15]} 27. Kf2 {[%emt 0:00:57]} Kf8 {[%emt 0:00:38]} 28. Ke3 {[%emt 0:00:51]} Ke7 {[%emt 0:00:14]} 29. Ke4 {[%emt 0:02:12]} f6 {[%emt 0:01:19]} 30. Nb7 {[%emt 0:04:10]} a4 {[%emt 0:04:41]} (30... fxe5 $11 31. fxe5 g6) 31. a3 {[%emt 0:01:31]} (31. Nd6 $5 {[%cal Rd6b5]}) 31... Kd7 {[%emt 0:02:36]} 32. Nd6 {[%emt 0:00:13]} b4 {[%emt 0:00:56]} 33. Nb5 {[%emt 0:01:18]} bxa3 {[%emt 0:00:44]} 34. bxa3 {[%emt 0:00:08] And now exf6 would win.} Na5 $2 {[%emt 0:00:47]} (34... fxe5 $11 35. fxe5 Na5) 35. exf6 $18 {[%emt 0:01:32]} gxf6 {[%emt 0:00:10] [#]} 36. Nc3 {[%emt 0:00:12]} (36. Kd3 $1 $16) 36... Nc4 $11 {[%emt 0:00:13]} 37. Nxa4 {[%emt 0:00:04]} Nxa3 {[%emt 0:00:18] The position is equal.} 38. f5 {[%emt 0:00:18]} e5 {[%emt 0:01:01]} 39. Nc3 {[%emt 0:00:34] Strongly threatening Nd5.} Ke7 {[%emt 0:00:16]} 40. Kd3 {[%emt 0:00:27]} Kf7 {[%emt 0:01:34]} 41. g4 {[%emt 0:30:33]} Kg7 {[%emt 0:31:15]} 42. h4 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 43. Ke4 {Weighted Error Value: White=0.17 (very precise) /Black=0.20 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.5"]
[White "Hladky, Tadeas"]
[Black "Mametev, Artem"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "1973"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,88,0,0,0,0,0,0,0,2,1,0,0,-12,0,-15,-16,-39,-35,-50,-50,-52,-39,-43,-24,-15,-13,-77,-65,-60,-59,-64,-51,-95,-102,-131,-93,-123,-127,-143,-147,-142,-114,-107,-107,-127,-106,-134,-136,-131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29979,-29980]} 1. e4 {[%emt 0:00:02] ChessBase II} e6 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:03]} 3. Nd2 {[%emt 0:00:06]} a6 {[%emt 0:00:03]} 4. Ngf3 {[%emt 0:00:25]} Nf6 {[%emt 0:00:14]} 5. Bd3 {[%emt 0:00:19]} c5 {[%emt 0:00:14]} 6. dxc5 {[%emt 0:00:06]} dxe4 {[%emt 0:00:14]} 7. Nxe4 {[%emt 0:00:09]} Nxe4 {[%emt 0:00:11] C03: French Tarrasch: Unusual Black 3rd moves.} 8. Bxe4 {[%emt 0:00:05] Qxd8+ would be deadly.} Qxd1+ {[%emt 0:00:07]} 9. Kxd1 {[%emt 0:00:03]} Bxc5 {[%emt 0:00:06] The position is equal.} 10. Ke2 {[%emt 0:00:28]} Nd7 {[%emt 0:02:42]} (10... f5 $5 11. Bd3 $8 Nc6 $11) 11. c3 {[%emt 0:00:18]} Nf6 {[%emt 0:00:20]} 12. Bd3 {[%emt 0:01:26] [#]} b6 $146 {[%emt 0:02:41]} ({Predecessor:} 12... Bd6 13. c4 Bd7 14. b3 e5 15. Ng5 Bc6 16. f3 h6 17. Ne4 Nxe4 18. Bxe4 Bxe4 19. fxe4 {1-0 Schroll,G (2449)-Svane,R (2216) EU-ch 12th Aix les Bains 2011 (8)}) 13. Be3 {[%emt 0:08:16]} Bxe3 {[%emt 0:01:04]} 14. fxe3 {[%emt 0:00:10]} Bb7 {[%emt 0:01:10]} 15. Rhd1 {[%emt 0:02:32]} Ke7 {[%emt 0:29:43]} 16. Rac1 {[%emt 0:03:34]} Rad8 {[%emt 0:06:02]} 17. b4 {[%emt 0:07:33] [#]} g5 $1 {[%emt 0:10:34][%cal Bg7g5,Bg5g4][%mdl 32]} 18. c4 {[%emt 0:04:37]} g4 {[%emt 0:02:59]} 19. Ne1 {[%emt 0:09:51]} (19. Ne5 $1 $11 {remains equal.}) 19... Ne4 {[%emt 0:05:16]} (19... Rc8 {simplifies} 20. Kf1 Rhd8 21. Be2 Rxd1 22. Bxd1 a5) 20. c5 {[%emt 0:10:39]} bxc5 {[%emt 0:05:52]} 21. bxc5 {[%emt 0:01:42] Threatens to win with c6.} Bc6 {[%emt 0:00:46]} 22. Rc4 {[%emt 0:12:38]} f5 $36 {[%emt 0:06:47][%mdl 2048] ...Bb5 is the strong threat. Black is really pushing. Black is much more active.} 23. Rb1 {[%emt 0:00:26]} Rc8 {[%emt 0:09:58]} 24. Rcc1 {[%emt 0:02:42]} Bd5 {[%emt 0:02:18]} 25. Bxa6 {[%emt 0:03:15]} Rxc5 {[%emt 0:00:25]} 26. Nd3 {[%emt 0:06:40]} Rxc1 {[%emt 0:01:00]} 27. Rxc1 {[%emt 0:00:06]} Bxa2 {[%emt 0:01:22]} 28. Nb4 {[%emt 0:09:24]} Bb3 {[%emt 0:01:48]} 29. Rc7+ {[%emt 0:00:09]} Kf6 {[%emt 0:00:59]} 30. Bd3 {[%emt 0:00:13]} Bd5 {[%emt 0:02:03]} (30... Nd6 $17 31. h4 h5) 31. Nxd5+ $11 {[%emt 0:00:56]} exd5 {[%emt 0:00:01]} 32. Bxe4 {[%emt 0:00:22]} dxe4 {[%emt 0:00:02][%mdl 4096] Endgame KR-KR} 33. Kf2 $1 {[%emt 0:01:03]} h5 {[%emt 0:01:59] aiming for ...Kg5.} 34. Kg3 $1 {[%emt 0:00:35]} Ra8 {[%emt 0:01:13]} 35. Kf4 {[%emt 0:07:30]} Ra2 {[%emt 0:00:11]} 36. Rc6+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:32]} 37. Rh6 {[%emt 0:01:22]} Rxg2 {[%emt 0:02:01]} 38. Rxh5 {[%emt 0:00:02]} Rf2+ {[%emt 0:00:48]} 39. Ke5 {[%emt 0:00:23]} f4 {[%emt 0:00:59]} 40. exf4 {[%emt 0:03:58]} e3 {[%emt 0:00:09]} 41. Kd4 {[%emt 0:30:02]} e2 {[%emt 0:30:42]} 42. Re5+ {[%emt 0:00:04]} Kf6 {[%emt 0:01:25]} 43. Kd3 {[%emt 0:00:13]} Rxh2 {[%emt 0:00:17] ( -> ...g3)} 44. Kd2 $2 {[%emt 0:01:41][%mdl 8192] [#]} (44. Rxe2 $11 Rh3+ 45. Ke4) 44... g3 {[%emt 0:01:10] Weighted Error Value: White=0.24 (precise) /Black=0.08 (flawless)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.6"]
[White "Kubin, Tomas Daniel"]
[Black "Werner, Hong Quan Dan"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1936"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,104,32,29,34,36,41,35,35,41,53,39,57,0,43,-49,-47,-99,-109,-106,-100,-142,-142,-153,-40,-40,-33,-55,-4,-4,-4,-16,-16,-7,-25,-43,-46,-60,-50,-58,-50,-47,-53,-154,-164,-196,-181,-184,-165,-226,-224,-223,-207,-202,-139,-154,-93,-113,0,0,0,0,0,0,0,0,0,-6,0,-18,-11,-129,-104,-94,0,-152,-127,-125,-112,-143,-33,-1733,-1668,-29985,-29983,-29988,-29989,-29991,-29988,-29987,-29988,-29990,-29991]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:18]} 2. Nf3 {[%emt 0:00:22][%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c4,Bc4e3][%mdl 32]} Nc6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:12]} cxd4 {[%emt 0:00:13]} 4. Nxd4 {[%emt 0:00:12]} e5 {[%emt 0:00:15]} 5. Nb5 {[%emt 0:00:39]} d6 {[%emt 0:00:17]} 6. N1c3 {[%emt 0:00:47]} a6 {[%emt 0:00:23]} 7. Na3 {[%emt 0:00:16]} Be7 {[%emt 0:00:14] 7...Be6 is the modern continuation.} 8. Nc4 {[%emt 0:08:14]} b5 {[%emt 0:02:53] B32: Sicilian: Löwenthal and Kalashnikov Variations.} 9. Ne3 {[%emt 0:01:00]} (9. Qd5 Qc7 10. Ne3 b4 $15) 9... Nf6 {[%emt 0:01:31]} 10. Bd3 {[%emt 0:03:34]} O-O {[%emt 0:03:49] White is slightly better.} 11. O-O {[%emt 0:03:31]} Bb7 {[%emt 0:04:12]} 12. Ncd5 {[%emt 0:03:52]} Nxd5 {[%emt 0:00:40] [#]} 13. exd5 $146 {[%emt 0:03:00]} (13. Nxd5 $14 Bg5 14. Bxg5 Qxg5 15. a4) ({Predecessor:} 13. Nxd5 Bg5 14. c3 Bxc1 15. Rxc1 Ne7 16. c4 Nxd5 17. cxd5 Qb6 18. Be2 Kh8 19. Qd3 {0-1 Balzar,A (2322)-Gohil,H (2314) BL2-Sued 1314 2013 (9.6)}) 13... Nb8 {[%emt 0:00:54][%cal Bc6b8,Bb8d7,Bd7e5][%mdl 32]} (13... Nb4 $5 {[%cal Rb4d3]}) 14. Be4 {[%emt 0:09:42]} (14. Qh5 g6 15. Qe2 f5 $15) (14. a4 $14) 14... g6 $15 {[%emt 0:03:00]} 15. f4 {[%emt 0:06:46]} (15. a4 $15) 15... exf4 $17 {[%emt 0:08:34]} 16. Rxf4 {[%emt 0:01:15][%cal Oe3f5]} Bg5 {[%emt 0:00:22]} 17. Rf1 {[%emt 0:05:09][%cal Oe3f5]} Nd7 {[%emt 0:17:38]} 18. Kh1 {[%emt 0:17:43]} Bxe3 {[%emt 0:07:17]} ({Better is} 18... Re8 $17 19. Qf3 Qe7) 19. Bxe3 $15 {[%emt 0:00:13]} Qe7 {[%emt 0:00:25]} 20. Qd4 {[%emt 0:09:22]} f5 {[%emt 0:02:39]} (20... Rfe8 $15 21. Bh6 Qe5) 21. Bf3 $11 {[%emt 0:03:11]} Rac8 {[%emt 0:01:38][%cal Od7e5]} 22. Rae1 {[%emt 0:02:42]} Ne5 $36 {[%emt 0:00:46][%mdl 2048] Black has the initiative.} 23. Bf4 {[%emt 0:02:57][%cal Rf4e5]} Rfe8 {[%emt 0:00:37]} 24. Qd2 {[%emt 0:01:32]} Qf7 {[%emt 0:03:51]} 25. Bxe5 {[%emt 0:02:36]} dxe5 {[%emt 0:01:59]} 26. d6 {[%emt 0:01:14]} Rcd8 {[%emt 0:00:26]} 27. Bxb7 {[%emt 0:00:56]} Qxb7 {[%emt 0:00:09]} 28. Rf3 {[%emt 0:01:28]} (28. Qc3 $15) 28... e4 $1 $17 {[%emt 0:01:06]} 29. Rc3 {[%emt 0:00:53]} Qd7 $1 {[%emt 0:08:48]} 30. Qd5+ {[%emt 0:01:56]} Qe6 {[%emt 0:00:11]} 31. Qb7 {[%emt 0:01:12]} (31. Rd3 {was called for.}) 31... Rxd6 $19 {[%emt 0:09:38]} 32. Rc7 {[%emt 0:00:29]} Qf6 {[%emt 0:00:12] Prevents Rg7+} (32... Qxa2 33. Rxh7) 33. Rxh7 {[%emt 0:00:48][%cal Bc7h7,Bh7h3,Bh3d3,Bd3d4][%mdl 32]} e3 {[%emt 0:00:35] Threatens to win with ...e2.} 34. Rh3 {[%emt 0:02:32]} Qe7 {[%emt 0:02:19] Repels Qh7+} (34... Qg7 $142 35. Qxg7+ Kxg7) 35. Qf3 {[%emt 0:01:12]} e2 {[%emt 0:01:28]} (35... Qc7 $17 {aiming for ...Rd2.} 36. Qf1 Rde6) 36. Qb3+ $11 {[%emt 0:01:31]} Kg7 {[%emt 0:04:04]} 37. Qc3+ $1 {[%emt 0:03:04]} Rf6 {[%emt 0:03:07]} 38. Qd2 {[%emt 0:01:12]} f4 {[%emt 0:00:55]} 39. Rd3 {[%emt 0:00:39] Wards off Rd8. Rd7 would be deadly.} Qe4 {[%emt 0:03:50] And now ...f3 would win.} 40. Rd4 {[%emt 0:01:14]} Qe3 {[%emt 0:03:58] ( -> ...Qf2)} 41. Rd7+ {[%emt 0:06:26]} Kh6 {[%emt 0:00:22]} 42. Qd4 {[%emt 0:01:27]} (42. Rd3 $1 $11 {was the only way to keep the balance.} Qe5 43. Kg1) 42... Ree6 {[%emt 0:01:09]} (42... Qxd4 43. Rxd4 f3 44. gxf3 $15) 43. Rd8 {[%emt 0:05:42] [#]} Re8 {[%emt 0:13:29] Inhibits Rh8+.} 44. Rd7 $1 $17 {[%emt 0:04:56] [#]} (44. Qxf6 Qf2) 44... Re5 $1 {[%emt 0:02:58][%cal Oe5h5] White must now prevent ...Rh5!} (44... Qxd4 45. Rxd4 f3 46. gxf3 $15) 45. Rd8 {[%emt 0:01:39]} Kg5 {[%emt 0:00:49]} 46. h3 {[%emt 0:03:12] [#]} Kh4 {[%emt 0:06:28]} (46... Qxd4 47. Rxd4 Kh4 48. Rd3 $15) (46... Rff5 $1 $17 {...Qg3 is the strong threat.} 47. b3 Qg3) 47. Qd7 $4 {[%emt 0:06:20][%mdl 8192] Now White is beyond hope.} (47. Qxe3 $15 Rxe3 48. Kh2) 47... Kg3 $19 {[%emt 0:01:55][%cal Bh4g3,Bg3f2,Bf2e1,Be1d1,Bd1c1][%mdl 32] Active counter play!} ({Not} 47... Qg3 48. Rxe2 (48. Rh8+ Rh5 $11) 48... Rxe2 49. Rh8+ Kg5 50. Qd5+ (50. h4+ Qxh4+ 51. Rxh4 Kxh4 $17) 50... Rf5 51. Qd8+ Rf6 52. Qd5+ Rf5 53. Qd8+ Rf6 54. Qd5+ $11) 48. Qg4+ {[%emt 0:02:00]} Kf2 {[%emt 0:00:06] Black mates.} 49. Rd3 {[%emt 0:03:18]} Kxe1 {[%emt 0:00:28]} 50. Rxe3 {[%emt 0:00:23]} fxe3 {[%emt 0:00:25]} 51. Qh4+ {[%emt 0:00:29]} Kd1 {[%emt 0:00:20]} 52. Qd4+ {[%emt 0:00:32]} Kc1 {[%emt 0:00:13] A cool game by Werner.   Weighted Error Value: White=0.38/Black=0.18 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.7"]
[White "Hozda, Max"]
[Black "Janous, Marek"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "2067"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,56,19,52,56,50,52,53,35,49,31,48,0,8,3,9,0,21,8,23,8,20,-2,0,0,0,-49,-49,-60,-72,-99,-63,-73,-74,-350,-348,-389,-388,-1081,-1097,-1031,-957,-1177,-1178,-1168,-668,-1137,-1135,-1033,-1002]} 1. d4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:19]} 2. c4 {[%emt 0:00:06][%cal Bc2c4,Bc4b5,Bb5a6][%mdl 32]} c5 {[%emt 0:00:27]} 3. d5 {[%emt 0:00:07]} b5 {[%emt 0:00:05]} 4. cxb5 {[%emt 0:00:05]} a6 {[%emt 0:00:06]} 5. bxa6 {[%emt 0:00:34]} g6 {[%emt 0:00:12][%cal Of8g7]} 6. Nc3 {[%emt 0:00:06] A58: Benko/Volga Gambit: Lines with 5 bxa6.} Bg7 {[%emt 0:00:05][%cal Oe8g8]} 7. e4 {[%emt 0:00:28] Black must now prevent e5.} O-O {[%emt 0:00:07][%cal Oe7e6]} 8. Nf3 {[%emt 0:01:23] White is slightly better.} Qa5 {[%emt 0:00:05]} 9. Bd2 {[%emt 0:00:23]} Bxa6 {[%emt 0:00:08]} 10. Bxa6 {[%emt 0:08:09]} Qxa6 {[%emt 0:00:28]} 11. Qe2 {[%emt 0:00:30]} e6 {[%emt 0:00:07]} 12. dxe6 {[%emt 0:07:35]} fxe6 {[%emt 0:00:33][%cal Bf7e6,Be6d5,Bd5d4,Bd4d3][%mdl 32]} 13. Qxa6 {[%emt 0:00:18]} Nxa6 {[%emt 0:00:02][%cal Bb8a6,Ba6b4,Bb4d5,Bd5c3][%mdl 32]} 14. O-O {[%emt 0:16:56]} Nb4 {[%emt 0:01:51]} 15. Ne1 {[%emt 0:01:59]} (15. b3 $5 {[%cal Ra2a4]}) 15... d5 {[%emt 0:00:36]} 16. exd5 {[%emt 0:00:54]} exd5 {[%emt 0:00:03]} 17. a3 {[%emt 0:01:58] [#]} (17. a4 $11 {might be stronger.}) 17... d4 $146 {[%emt 0:22:06][%mdl 1024] Black has compensation.} ({Predecessor:} 17... Nc6 18. Bg5 Ne4 19. Nxe4 dxe4 20. Rc1 Rf5 21. Be3 Nd4 22. Kh1 Nb3 23. Rc4 Bxb2 24. Rxe4 Rxa3 {½-½ Tuomainen,F (2087)-Marek,M (2389) EU-ch U18 26th 2016 (1)}) 18. Ne2 {[%emt 0:01:53]} Nbd5 $1 {[%emt 0:00:31]} 19. Ng3 {[%emt 0:05:49]} c4 {[%emt 0:04:01] Black is more active.} 20. Nc2 {[%emt 0:06:48]} d3 {[%emt 0:01:08][%cal Of6h5] [#] And now ...Nh5! would win.} 21. Nd4 $2 {[%emt 0:03:24][%mdl 8192] This costs White the game.} (21. Nb4 $17) 21... Rfb8 $19 {[%emt 0:01:27]} 22. Rab1 {[%emt 0:05:48]} Ng4 {[%emt 0:04:01]} 23. Bc3 {[%emt 0:01:26]} (23. Nc6 Rxb2 24. Rbd1) 23... Nxc3 {[%emt 0:00:20] Black is clearly winning.} 24. bxc3 {[%emt 0:00:08]} Bxd4 {[%emt 0:00:04]} 25. cxd4 {[%emt 0:00:46]} Rxb1 {[%emt 0:00:05]} 26. Rxb1 {[%emt 0:00:12]} Nf6 {[%emt 0:01:30][%cal Oc4c3] [#] ...c3! would be deadly.} 27. Nf1 {[%emt 0:05:13]} c3 {[%emt 0:02:01][%cal Oc3c2] Strongly threatening ...c2!} 28. f3 {[%emt 0:00:33]} Re8 {[%emt 0:01:24] Weighted Error Value: White=0.87/Black=0.28 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.8"]
[White "Vilimek, Vit"]
[Black "Svoboda, Daniel"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2018"]
[BlackElo "1748"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,101,-11,12,10,17,22,39,30,49,37,54,47,62,64,58,49,110,105,187,185,181,184,129,0,-1,-111,-104,-82,-101,-90,-94,-97,-85,-223,-118,-127,-99,-99,-103,-103,-95,-103,-103,-103,-100,-129,-77,-83,-8,-13,-20,-87,-79,-112,-112,-120,-117,-120,-101,-122,-129,-133,10,-196,-190,-173,-54,-222,-204,-317,-80,-102,-93,-170,-83,-620,0,0,0,0,0,-34,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:01]} c5 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:12]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:09]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:02]} a6 {[%emt 0:00:07]} 6. Rg1 {[%emt 0:00:06]} e5 {[%emt 0:03:45]} 7. Nb3 {[%emt 0:00:02]} Be6 {[%emt 0:02:35]} 8. g4 {[%emt 0:00:10] B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} h6 {[%emt 0:01:32]} 9. h4 {[%emt 0:00:07]} Nfd7 {[%emt 0:16:32]} 10. g5 {[%emt 0:04:40] White is slightly better.} hxg5 {[%emt 0:04:37]} 11. hxg5 {[%emt 0:00:11]} g6 {[%emt 0:03:08] [#]} 12. Qf3 $146 {[%emt 0:00:45]} ({Predecessor:} 12. Be3 Nc6 13. Qd2 Na5 14. O-O-O Nxb3+ 15. axb3 Qa5 16. Kb1 Rc8 17. f4 Be7 18. Bg2 exf4 19. Bxf4 {½-½ Rothuis,V (2346)-Firouzja,A (2728) Katara Bullet Final blitz 2020 (2.1)}) 12... Be7 {[%emt 0:04:17]} 13. Bd2 {[%emt 0:03:20]} Nc6 {[%emt 0:08:34]} 14. O-O-O {[%emt 0:00:39]} (14. Nd5 a5 15. c3 a4 $11) 14... b5 {[%emt 0:12:09]} (14... a5 $14) 15. Nd5 $16 {[%emt 0:05:13]} Nb6 {[%emt 0:07:59]} (15... Bf8 $16 {keeps fighting.}) 16. Rh1 $18 {[%emt 0:17:50]} Rxh1 {[%emt 0:08:17]} 17. Qxh1 {[%emt 0:00:04]} Nc4 {[%emt 0:03:26]} (17... Rc8 $18) 18. Nxe7 {[%emt 0:18:30]} (18. f4 $16) 18... Kxe7 $11 {[%emt 0:04:47][%cal Be8e7,Be7d7,Bd7c8,Bc8b7][%mdl 32]} 19. Be3 {[%emt 0:07:55]} (19. Bc3 $11) 19... Nxe3 $17 {[%emt 0:07:45]} 20. fxe3 {[%emt 0:00:05]} Nb4 21. Qf3 {[%emt 0:14:36]} Qc7 $1 {[%emt 0:04:11][%csl Gb4][%cal Rc7c2]} 22. Qf6+ {[%emt 0:01:09]} Kd7 $1 {[%emt 0:01:58][%csl Gb4][%cal Rc7c2]} 23. Na1 {[%emt 0:03:21]} (23. Rd2 $17 {only move.} Nxa2+ 24. Kb1) 23... Nxa2+ {[%emt 0:02:00]} (23... Bxa2 24. Bh3+ Kc6 25. c3 $18) (23... Rc8 $19 24. Rd2 Nxa2+ 25. Kb1 Kc6) 24. Kb1 {[%emt 0:00:06][%cal Of1h3]} Kc8 {[%emt 0:03:03] And now ...Kb7 would win.} 25. Bh3 {[%emt 0:03:35][%mdl 64] Decoy} Bxh3 {[%emt 0:00:42]} 26. Qh8+ {[%emt 0:06:26]} Kb7 {[%emt 0:00:23]} 27. Qxh3 {[%emt 0:00:02]} Nb4 {[%emt 0:00:19]} 28. c3 {[%emt 0:00:18]} Nc6 {[%emt 0:00:35]} 29. Qf1 {[%emt 0:00:31]} Na5 {[%emt 0:00:26]} (29... Nd8 $142 $1 30. Nc2 Ne6) 30. Nc2 {[%emt 0:00:46]} Nc4 {[%emt 0:00:51]} (30... Ka7 $17) 31. Qd3 $11 {[%emt 0:02:06]} Rd8 {[%emt 0:00:31]} 32. Qd5+ {[%emt 0:00:28]} (32. b3 $11 {keeps the balance.} Nb6 33. Rf1) 32... Ka7 $17 {[%emt 0:00:07]} 33. Rf1 {[%emt 0:10:29]} Rd7 $1 {[%emt 0:00:45]} 34. b3 {[%emt 0:00:50]} Nb6 {[%emt 0:00:42][%csl LRc3,LRd5]} 35. Qd3 {[%emt 0:00:01]} d5 36. Nb4 {[%emt 0:01:20][%cal Rb4d5]} dxe4 {[%emt 0:01:08]} 37. Qxe4 {[%emt 0:00:31]} Rd6 {[%emt 0:00:30] Prevents Nc6+} (37... Qxc3 $17 38. Nc6+ Ka8 39. Na5+ Nd5) 38. Rf6 $2 {[%emt 0:00:48] [#]} (38. Qxe5 $11 {and White stays safe.} Rd7 39. Rf6) 38... Rxf6 $1 $19 {[%emt 0:00:18]} 39. gxf6 {[%emt 0:00:01][%mdl 4096] Endgame KQN-KQN} a5 {[%emt 0:00:14]} ({Don't take} 39... Qxc3 40. Nc6+ Kb7 41. Na5+ (41. Qxe5 $2 {too greedy.} Qxb3+ 42. Kc1 Qa3+ 43. Kc2 Qa2+ 44. Kd1 Kxc6 $19) 41... Kc7 42. Qb7+ Kd6 43. Qxb6+ Kd5 44. Qb7+ (44. Qxa6 Qe1+ 45. Kc2 Qe2+ 46. Kc1 Qe1+ 47. Kc2 Qe2+ 48. Kc1 Qe1+ 49. Kc2 $11) 44... Ke6 45. Qxa6+ Kf5 46. Qxb5 $16) ({Black should play} 39... Nd7 $19 40. Nc6+ Kb6) 40. Nc6+ $2 {[%emt 0:01:44]} (40. Qxe5 $1 $15 Qxe5 41. Nc6+ Kb7 42. Nxe5) 40... Ka6 {[%emt 0:00:10] White must now prevent ...g5.} 41. Kb2 {[%emt 0:05:26] [#]} (41. Kc2 $142 Nd7 42. b4) 41... Qd6 $2 {[%emt 0:03:49]} (41... Qb7 $1 $19 {Hoping for ...g5.} 42. Kc1 g5) 42. Nxe5 {[%emt 0:09:07]} Qxf6 {[%emt 0:12:02]} 43. Nd3 {[%emt 0:07:55]} (43. Nc6 $17) 43... Qd6 {[%emt 0:03:08]} (43... b4 $19 44. Qd4 Qxd4 45. cxd4 g5) 44. b4 $2 {[%emt 0:04:50][%mdl 8192]} (44. Kc2 $17) 44... Qh2+ $2 {[%emt 0:05:27]} ({Black should try} 44... f5 $19 45. Qd4 Nc4+ 46. Kc1 Qxd4 47. cxd4 Nxe3 48. bxa5 Kxa5) 45. Kc1 {[%emt 0:00:34] Intending Nc5+ and mate.} Qg1+ {[%emt 0:00:58]} 46. Kc2 {[%emt 0:00:10]} Qh2+ {[%emt 0:00:21]} 47. Kd1 {[%emt 0:01:43] White threatens Nc5+ and mate.} Qg1+ {[%emt 0:02:12]} (47... Qd6 $5 {[%cal Rf7f5]} 48. Kc2 f5 $17) 48. Ke2 {[%emt 0:00:07] Nc5+ would kill now. The position is equal.} (48. Kc2 $5 Qh2+ $8 49. Kb1 Qg1+ 50. Kc2 $11) 48... Qh2+ {[%emt 0:00:44]} 49. Kf1 {[%emt 0:00:15] Threatening mate with Nc5+.} Qh3+ {[%emt 0:01:07]} 50. Kg1 {[%emt 0:00:09] White wants to mate with Nc5+.} Qg3+ {[%emt 0:00:53]} 51. Kf1 {[%emt 0:00:12] Both players deserved the win here.   Weighted Error Value: White=0.48/Black=0.48} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.9"]
[White "Zezula, Jakub"]
[Black "Pelc, Adam"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1963"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,48,0,0,-39,0,-22,0,-24,12,0,0,0,2,0,51,-211,-216,-216,-193,-204,-212,-186,-66,-225,-233,-213,-187,-503,-439,-421,-408,-913,-915,-1508,-1509,-2086,-2050,-29991,-292,-29992,-1100]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:23]} 2. d4 {[%emt 0:00:17]} d5 {[%emt 0:00:09]} 3. f3 {[%emt 0:01:25]} e6 {[%emt 0:02:02]} 4. Nc3 {[%emt 0:01:47]} Bb4 {[%emt 0:04:00]} 5. e5 {[%emt 0:04:54]} c5 {[%emt 0:02:05]} 6. f4 {[%emt 0:04:45] B12: Caro-Kann: Advance Variation.} (6. a3 $5 {[%cal Ra3b4]} Bxc3+ 7. bxc3 $11) 6... Ne7 {[%emt 0:01:59][%cal Bg8e7,Be7f5,Bf5e3,Be3c4,Bc4b2][%mdl 32]} 7. Nf3 {[%emt 0:06:59]} (7. a3 $5 {[%cal Ra3b4]} Ba5 8. Bd2 $11) 7... Nf5 {[%emt 0:01:35]} 8. Bd2 {[%emt 0:04:16] The position is equal.} Nc6 {[%emt 0:12:41]} 9. Ne2 {[%emt 0:04:48]} Ne3 {[%emt 0:01:46]} 10. Qc1 {[%emt 0:01:49]} Bxd2+ {[%emt 0:03:40]} 11. Qxd2 {[%emt 0:00:33]} Nb4 {[%emt 0:00:23] [#]} 12. c3 $146 {[%emt 0:03:20][%mdl 8192] [#]} ({Wrong is} 12. Rc1 $2 Nc4 13. Qd1 Nxb2 $17) (12. dxc5 $14 {stays ahead.} Qa5 13. Kf2 Nxf1 14. Qc3 (14. Kxf1 Qxc5 15. c3 Nc6 $14)) ({Predecessor:} 12. Rc1 Nc4 13. Qd1 Nxb2 14. Qd2 Nc4 15. Qd1 Nxa2 16. Rb1 Qa5+ 17. Kf2 Nb4 18. g4 Nc6 19. Bh3 cxd4 20. Nexd4 {0-1 Menzi,N (1902)-Isgandarova,K (2203) EU-ch (Women) 13th 2012 (7)}) 12... Nc4 $1 $19 {[%emt 0:02:01][%mdl 64] Deflection} 13. Qd1 {[%emt 0:00:32]} Nxb2 {[%emt 0:00:19]} 14. Qb1 {[%emt 0:01:05][%cal Oc3b4]} N4d3+ {[%emt 0:06:05]} 15. Kd2 {[%emt 0:00:10] [#]} Qb6 {[%emt 0:00:47]} ({Black should try} 15... b6 $1 $19 {Strongly threatening ...Ba6.} 16. Ne1 Nf2 17. Qxb2 Nxh1 18. dxc5 O-O) 16. Ke3 $2 {[%emt 0:07:19]} (16. Nc1 $15 Nxf4 17. dxc5 Nc4+ 18. Bxc4 Qxb1 19. Rxb1 dxc4 20. Rb4) 16... Bd7 {[%emt 0:03:39]} 17. Ng3 {[%emt 0:05:08]} Bb5 $36 {[%emt 0:01:58][%mdl 2048] ...Rc8 is the strong threat. Keeping White busy.} 18. Nd2 $2 {[%emt 0:09:42]} (18. a4 Ba6 19. Bxd3 Bxd3 20. Qc1 cxd4+ 21. Nxd4) 18... cxd4+ {[%emt 0:01:00]} 19. cxd4 {[%emt 0:00:13]} Rc8 {[%emt 0:00:20]} 20. Ne2 {[%emt 0:03:11] Inhibits Rc3.} (20. a4 $142 Ba6 21. Ra3) 20... Ba4 {[%emt 0:02:52]} 21. Nb3 {[%emt 0:01:14]} Bxb3 {[%emt 0:01:31]} 22. axb3 {[%emt 0:00:02]} Qxb3 {[%emt 0:00:02]} 23. Qa2 {[%emt 0:02:41]} Nc4+ {[%emt 0:00:14]} (23... Nxe5+ $2 24. Qxb3 Nbc4+ 25. Kf2 Ng4+ 26. Kg3 $18) 24. Kf3 {[%emt 0:00:15]} Ndxe5+ {[%emt 0:00:07][%mdl 64] Discovered Attack (Double check). Excellently played by Pelc!   Weighted Error Value: White=2.01/Black=0.17 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.10"]
[White "Tesar, Jakub"]
[Black "Slaby, Matej"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1960"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 22,129,14,4,53,25,36,19,23,-5,9,27,32,12,12,10,14,17,19,19,7,-54,-45,-135,-119,-217,-219,-201,-181,-188,-121,-127,-127,-127,-128,-125,-120,-120,-121,-137,-128,-150,-145,-139,-120,-137,-104,-147,-112,-117,-109,-122,-111,-137,-119,-157,-119,-120,-120,-158,-118,-150,-111,-162,-165,-166,-164,-220,-216,-418,-411,-1111,-1093,-885,-786,-856,-792,-1614,-1472,-5116,-2879,-4544,-4831,-12764,-11904,-10776,-10101,-29963,-3507,-29957,-29957,-29974,-29975,-29971,-6037,-29979,-29980,-29986,-29984,-29988,-29989,-29989,-29990,-29991,-29989,-29992,-29993,-29993,-29994,-29995]} 1. e4 {[%emt 0:00:04]} c6 {[%emt 0:00:11]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:10]} 3. Nd2 {[%emt 0:00:04][%cal Bb1d2,Bd2e4,Be4g5][%mdl 32]} dxe4 {[%emt 0:00:18]} 4. Nxe4 {[%emt 0:00:09]} Nd7 {[%emt 0:00:12]} 5. Ng5 {[%emt 0:00:14]} Ngf6 {[%emt 0:00:40]} 6. Bd3 {[%emt 0:00:21]} e6 {[%emt 0:01:00]} 7. N1f3 {[%emt 0:00:14]} Bd6 {[%emt 0:00:21]} 8. Qe2 {[%emt 0:00:19]} h6 {[%emt 0:01:19]} 9. Ne4 {[%emt 0:00:17]} Nxe4 {[%emt 0:01:09]} 10. Qxe4 {[%emt 0:00:09]} Qc7 {[%emt 0:01:00]} 11. Qg4 {[%emt 0:01:53]} Kf8 {[%emt 0:00:24]} 12. O-O {[%emt 0:00:17]} e5 {[%emt 0:02:32] B17: Caro-Kann: Modern Line (4...Nd7).} (12... b6 $11 {might be stronger.}) 13. Qh4 {[%emt 0:15:45]} (13. Re1 $5) 13... c5 {[%emt 0:20:51]} 14. dxc5 {[%emt 0:17:13]} Nxc5 {[%emt 0:00:30] [#] The position is equal.} 15. Be2 $146 {[%emt 0:11:04]} ({Predecessor:} 15. b4 Nxd3 16. cxd3 Bf5 17. Bb2 f6 18. Rac1 Qf7 19. Qg3 Qxa2 20. Nh4 {1-0 Boguslawski,O-Shkuran,D (2247) UKR-ch U18 Dnipropetrovsk 2002 (5)}) 15... Bd7 {[%emt 0:13:38]} 16. Be3 {[%emt 0:07:03]} Ne6 {[%emt 0:06:02]} 17. Rfd1 {[%emt 0:01:14]} Nf4 {[%emt 0:02:17]} 18. Bxf4 {[%emt 0:04:13]} exf4 {[%emt 0:00:08]} 19. Rd4 {[%emt 0:03:54]} g5 {[%emt 0:15:16]} 20. Qh5 {[%emt 0:00:32] [#] Rad1 would be deadly.} ({Much weaker is} 20. Nxg5 Be7 21. Rxd7 (21. Qxf4 $2 {too greedy.} Qxf4 $19) (21. Rad1 $2 Bxg5 22. Qh5 Bc6 $19) 21... Qxd7 $17) 20... Be7 {[%emt 0:00:43]} 21. Bc4 {[%emt 0:17:16]} ({Only move:} 21. Rad1 $1 $11 Bf5 22. c3) 21... Be8 $1 $15 {[%emt 0:01:30] Hoping for ...f5.} 22. Qg4 {[%emt 0:03:41]} (22. Nd2 $1 $15) 22... Bf6 $36 {[%emt 0:01:21][%mdl 2048] Black is on the roll.} 23. Re4 {[%emt 0:00:39]} (23. Bb3 $17 {was necessary.}) 23... Bd7 $19 {[%emt 0:00:51]} 24. Qh5 {[%emt 0:03:28][%csl Gc4][%cal Rh5f7]} Bf5 {[%emt 0:00:15] A strong pair of Bishops.} (24... Bxb2 $2 25. Qxf7#) 25. Rxf4 {[%emt 0:00:31]} Bg6 {[%emt 0:00:58]} (25... gxf4 $19 26. Qxf5 Bxb2) 26. Qxg6 $17 {[%emt 0:00:07]} fxg6 {[%emt 0:00:07]} 27. Rxf6+ {[%emt 0:00:04]} Kg7 {[%emt 0:00:15][%cal Bf8g7,Bg7f7,Bf7e6][%mdl 32]} 28. Rf7+ {[%emt 0:00:09]} Qxf7 $1 {[%emt 0:00:08]} 29. Bxf7 {[%emt 0:00:06]} Kxf7 {[%emt 0:00:03][%mdl 4096] Endgame KRR-KRN} 30. Kf1 {[%emt 0:00:34]} Rhe8 {[%emt 0:00:20]} 31. Nd4 {[%emt 0:00:52]} Rad8 {[%emt 0:00:22]} 32. c3 {[%emt 0:00:06]} a6 {[%emt 0:01:38]} 33. a4 {[%emt 0:01:10]} Rc8 {[%emt 0:01:17]} 34. Nc2 {[%emt 0:04:12]} Ke6 {[%emt 0:03:43] Black is more active.} 35. Ne3 {[%emt 0:00:51]} Red8 {[%emt 0:00:22]} 36. Re1 {[%emt 0:01:16]} Kf7 {[%emt 0:01:02]} 37. Re2 {[%emt 0:02:49]} h5 {[%emt 0:00:28]} 38. Ke1 {[%emt 0:01:20]} b5 {[%emt 0:02:12]} 39. axb5 {[%emt 0:00:21]} axb5 {[%emt 0:00:01]} 40. Rc2 {[%emt 0:00:59]} Ke6 {[%emt 0:01:16]} 41. Ke2 {[%emt 0:31:44]} Rc6 {[%emt 0:30:47]} 42. Rc1 {[%emt 0:03:24]} (42. f3 $17 {was worth a try.}) 42... Rcd6 {[%emt 0:02:19] ...Rd2+ is the strong threat.} 43. Rc2 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 44. f3 {[%emt 0:00:00]} (44. c4 $142) 44... gxf3+ $19 {[%emt 0:00:00]} 45. Kxf3 $2 {[%emt 0:00:00] [#]} (45. gxf3 {was the only defense.} Kf6 46. Nf1) 45... Rd2 $1 {[%emt 0:00:00] Strongly threatening ...Ke5.} 46. b4 {[%emt 0:00:00]} (46. Rc1 $142) 46... Rxc2 {[%emt 0:00:00]} 47. Nxc2 {[%emt 0:00:00] KR-KN} Rd3+ {[%emt 0:00:00]} 48. Ke4 {[%emt 0:00:00]} Rxc3 {[%emt 0:00:00]} 49. Nd4+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 50. Nxb5 {[%emt 0:00:00]} Rc4+ {[%emt 0:00:00]} 51. Nd4 {[%emt 0:00:00]} Rxb4 {[%emt 0:00:00] aiming for ...Rb2.} 52. Ke3 {[%emt 0:00:00]} Rb2 {[%emt 0:00:00]} 53. Kf3 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 54. Kg3 {[%emt 0:00:50]} Rb4 {[%emt 0:00:00]} (54... h4+ $142 55. Kh3 Rb4 56. Nc6 Rc4 57. Na7 Rc3+ 58. Kg4 Rc2 59. g3 Rxh2 60. gxh4 gxh4 61. Nc8 Ke6 62. Na7 h3 63. Nc6 Kf6 64. Nd4 Rd2 65. Nf3 h2 66. Nxh2 Rxh2 67. Kf3 Ke5 68. Kg3 Re2 69. Kf3 Re4 70. Kg3 Rf4 71. Kg2 Kf5 72. Kh3 Rf3+ 73. Kg2 Kf4 74. Kh2 Rf2+ 75. Kh1 Kg4 76. Kg1 Kg3 77. Kh1 Rf1#) 55. Ne2 {[%emt 0:00:20]} Ke5 {[%emt 0:00:00]} 56. Kf3 {[%emt 0:00:35]} Rb3+ {[%emt 0:00:00]} 57. Kf2 {[%emt 0:00:08]} Ra3 {[%emt 0:00:00]} (57... h4 $142 58. Nc1 Rb1 59. Nd3+ Kd4 60. Ke2 g4 61. h3 Rb3 62. Ne1 Rb2+ 63. Kd1 Ke3 64. Kc1 Re2 65. Nc2+ Rxc2+ 66. Kxc2 g3 67. Kd1 Kf2 68. Kd2 Kxg2 69. Ke3 Kxh3 70. Kf3 g2 71. Kf2 Kh2 72. Kf3 g1=Q 73. Ke4 h3 74. Kf4 Qc5 75. Kg4 Kg2 76. Kf4 h2 77. Ke4 h1=Q 78. Kd3 Qd1+ 79. Ke4 Qf3#) 58. h3 {[%emt 0:01:12]} h4 {[%emt 0:00:00] Black mates.} 59. g3 {[%emt 0:00:33]} Ke4 {[%emt 0:00:00]} 60. gxh4 {[%emt 0:01:04]} gxh4 {[%emt 0:00:00]} ({Inferior is} 60... Rxh3 61. Ng3+ Kf4 62. Ne2+ Kg4 63. hxg5 $15) 61. Nc1 {[%emt 0:03:38]} Rxh3 {[%emt 0:00:00]} 62. Kg2 {[%emt 0:00:23]} Ra3 {[%emt 0:00:00]} 63. Kf2 {[%emt 0:00:26]} h3 {[%emt 0:00:00]} 64. Ne2 {[%emt 0:00:32]} Ra2 {[%emt 0:00:00]} 65. Kf1 {[%emt 0:00:10] Weighted Error Value: White=0.95/Black=0.43} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.11"]
[White "Davidek, Zdenek"]
[Black "Mrazek, Adam"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1957"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,100,32,69,57,73,56,56,65,76,-38,37,16,39,9,2,0,39,37,58,0,0,0,6,0,40,-16,18,5,35,33,24,0,27,0,48,12,44,27,32,0,0,0,0,0,0,0,23,18,28,25,120,120,84,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:01:05]} 2. Nf3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:06]} g6 {[%emt 0:00:00]} 4. Bxc6 {[%emt 0:00:05]} bxc6 {[%emt 0:00:03]} 5. O-O {[%emt 0:00:09]} Bg7 {[%emt 0:00:14]} 6. Re1 {[%emt 0:00:09]} e5 {[%emt 0:00:55] 6...Qc7 gains popularity.} 7. c3 {[%emt 0:03:30]} Qb6 {[%emt 0:04:28]} 8. Na3 {[%emt 0:11:52][%cal Od2d4] aiming for d4! B31: Sicilian: 2...Nc6 3 Bb5 g6.} Ba6 {[%emt 0:23:13]} 9. d3 {[%emt 0:04:04]} (9. b4 $5) 9... Ne7 {[%emt 0:09:36]} 10. Rb1 {[%emt 0:01:47] White is slightly better.} O-O {[%emt 0:04:45] [#]} 11. Nc2 $146 {[%emt 0:05:12]} (11. Be3 $1 $16) ({Predecessor:} 11. Be3 d5 12. c4 Rfe8 13. Qa4 d4 14. Bd2 Bc8 15. b4 cxb4 16. Rxb4 Qc7 17. Reb1 {0-1 Fossan,B (1942)-Holleland,S (2098) Bergen Grand Prix Nov 2019 (3)}) 11... Rfe8 {[%emt 0:10:43]} (11... d5 $15) 12. Be3 $14 {[%emt 0:06:11]} Qa5 {[%emt 0:11:59]} 13. Qd2 {[%emt 0:01:28]} d5 {[%emt 0:02:13]} 14. b4 {[%emt 0:13:48]} Qb5 {[%emt 0:12:05]} 15. c4 {[%emt 0:23:24]} ({Reject} 15. bxc5 Qxd3 16. Nb4 Qxd2 17. Nxd2 Bc8 $15) 15... dxc4 {[%emt 0:03:42]} 16. dxc4 {[%emt 0:00:07]} (16. bxc5 $14 c3 17. Qc1 (17. Qxc3 Qxd3 18. Qb2 Qc4 $11) 17... Qxd3 18. Nb4) 16... Qxc4 $11 {[%emt 0:04:20]} 17. Bxc5 {[%emt 0:00:04]} Rad8 {[%emt 0:06:02]} (17... Qxa2 $2 18. Ra1 Qc4 19. Ne3 Qxe4 20. Rxa6 $18) 18. Qc1 {[%emt 0:08:01]} Rd7 {[%emt 0:01:14]} ({Don't do} 18... Qxa2 19. Ra1 Qc4 20. Qb2 $14) 19. Na3 {[%emt 0:00:52]} (19. Qa3 $14) 19... Qxc1 {[%emt 0:00:46]} (19... Qxa2 {feels hotter.} 20. Ra1 Qe6 21. Nb1 Bb5) 20. Rbxc1 {[%emt 0:00:44]} Bb5 {[%emt 0:01:07]} 21. Nc4 {[%emt 0:00:51]} Nc8 {[%emt 0:01:32]} 22. Rc2 {[%emt 0:02:44]} f6 {[%emt 0:00:38][%cal Oc8b6]} 23. g4 {[%emt 0:01:31]} (23. Nb2 $5 {[%cal Ra2a4]}) 23... h6 {[%emt 0:00:36]} (23... Nb6 $11 {is superior.} 24. Bxb6 axb6) 24. h4 {[%emt 0:00:15]} g5 {[%emt 0:00:36]} 25. h5 {[%emt 0:00:41]} Bf8 {[%emt 0:00:26]} 26. Ra1 {[%emt 0:06:18]} Nb6 {[%emt 0:00:34]} 27. Bxb6 {[%emt 0:04:50]} axb6 {[%emt 0:00:18]} 28. a4 {[%emt 0:00:16]} Ra7 {[%emt 0:00:46]} 29. Nxb6 {[%emt 0:04:01]} Bd3 {[%emt 0:00:13]} 30. Rc3 {[%emt 0:00:34]} Bxe4 {[%emt 0:00:23] [#] Threatens to win with ...Rb8.} 31. Nd2 {[%emt 0:00:04]} Bd5 {[%emt 0:00:53]} (31... Bh7 $11 {keeps the balance.} 32. Rxc6 Rd8) 32. Nxd5 $16 {[%emt 0:00:40]} cxd5 {[%emt 0:00:03]} 33. Rd3 {[%emt 0:00:40]} ({Better is} 33. Rb3 $16) 33... Bxb4 {[%emt 0:00:24] The position is equal.} 34. Rxd5 {[%emt 0:00:06]} Bxd2 {[%emt 0:00:17]} 35. Rxd2 $11 {[%emt 0:00:01][%cal Bd5d2,Bd2a2,Ba2a3,Ba3b3,Bb3b6,Bb6h6][%mdl 4128] Endgame KRR-KRR} Rea8 {[%emt 0:00:30]} 36. Rda2 {[%emt 0:00:21]} Ra5 {[%emt 0:00:17]} 37. Kg2 {[%emt 0:00:09]} Kf7 {[%emt 0:00:35]} 38. Kf3 {[%emt 0:00:04]} Ke6 {[%emt 0:00:29]} 39. Ra3 {[%emt 0:02:52]} f5 {[%emt 0:01:09]} 40. R1a2 {[%emt 0:01:01]} fxg4+ {[%emt 0:00:46]} 41. Kxg4 {[%emt 0:01:02]} Rf8 {[%emt 0:02:12]} 42. Rb3 {[%emt 0:09:59]} Rf4+ {[%emt 0:04:47]} 43. Kg3 {[%emt 0:00:01]} Kf5 {[%emt 0:04:10]} 44. Rb6 {[%emt 0:00:43]} Raxa4 {[%emt 0:01:08]} 45. Rxa4 {[%emt 0:00:05]} Rxa4 {[%emt 0:00:06]} 46. Rxh6 {[%emt 0:00:10] KR-KR} Rg4+ {[%emt 0:02:02]} 47. Kf3 {[%emt 0:00:06][%cal Oh6f6] Rf6+! would kill now.} Rf4+ {[%emt 0:00:09]} 48. Kg3 {[%emt 0:00:16]} Rg4+ {[%emt 0:00:14]} 49. Kf3 {[%emt 0:00:04][%cal Oh6f6] White wants to mate with Rf6+!} Rf4+ {[%emt 0:00:06]} 50. Kg3 {[%emt 0:05:06]} Rg4+ {[%emt 0:00:10] Weighted Error Value: White=0.19 (very precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.16"]
[Round "7.12"]
[White "Sigut, Ondrej"]
[Black "Mohapl, Tomas"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1804"]
[BlackElo "1946"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,86,7,12,-4,-4,-20,-26,-44,-29,-41,-36,-72,-45,-43,-47,-50,-52,-89,-87,-86,-58,-58,-62,-54,-54,-129,-83,-127,-90,-85,-85,-111,-112,-171,-165,-179,-12,-12,-8,-8,-8,-19,0,-22,0,-15,0,-22,-14,-14,-14,-29,-14,-7,0,0,0,0,2,2,10,8,33,30,88,88,88,74,74,5,94,88,74,74,80,0,5]} 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. O-O Be7 6. c4 c6 7. cxd5 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} exd5 8. Bf4 (8. Qb3 $5 {[%cal Rb3b7]}) 8... O-O 9. Nbd2 {Black has an edge.} h6 10. Ne5 Nbd7 11. Ndf3 {[#]} Rc8 $146 ({Predecessor:} 11... Qb6 12. Bc1 Rfe8 13. b3 Bd6 14. Nxd7 Bxd7 15. Qc2 Ne4 16. a3 Bf5 17. Qb2 Be7 {0-1 Babic,D (1951)-Perhinig,R (2281) Feffernitz op 28th 2019 (2)}) 12. Qb3 Qb6 13. Qxb6 axb6 14. Rac1 Ra8 {[%cal Bc8a8,Ba8a4,Ba4b4][%mdl 32]} 15. a3 Ra4 16. Rfd1 b5 17. Nxd7 Nxd7 18. Ne5 (18. Bd2 $15) 18... b4 (18... Nxe5 $142 19. dxe5 Re8) 19. axb4 {[%cal Ob4b5]} Rxb4 20. Nxd7 Bxd7 21. Rd2 g5 22. Be3 (22. Bc7 $17 {was worth a try.}) 22... Ra8 $19 23. h4 Ra2 $2 {[#]} (23... Kg7 $19 24. hxg5 hxg5) 24. Bxd5 $1 $11 Raxb2 25. Rxb2 Rxb2 26. Bc4 Bf5 27. hxg5 hxg5 28. Kf1 Kf8 29. Rd1 b5 30. Bd3 Bxd3 31. Rxd3 {[%mdl 4096] Endgame KRB-KRB} Rb1+ 32. Kg2 b4 {Prevents Rc3} 33. d5 cxd5 34. Rxd5 f6 35. Kf3 Kf7 36. Rb5 b3 37. Bd4 Kg6 (37... Ke6 $11 {keeps the balance.}) 38. g4 $16 Kf7 39. Ke3 Ba3 40. Rb6 (40. Rb7+ $16 Ke6 41. Ke4 (41. Rb6+ Kd5 $11)) 40... Be7 (40... b2 $1 $11) 41. Kd2 Bd8 42. Rb5 Ke6 43. e4 (43. f3 $16) 43... Bc7 {Weighted Error Value: White=0.19 (very precise) /Black=0.22 (precise)} 1/2-1/2

