[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.1"]
[White "Fizer, Marek"]
[Black "Vilimek, Vit"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1929"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,117,17,20,23,18,22,32,29,33,29,37,26,31,20,12,8,34,11,11,16,22,0,0,0,12,0,9,0,24,29,22,21,33,30,23,23,22,19,29,27,21,25,25,26,26,27,41,41,49,46,50,52,62,62,62,62,62,62,62,0,61,0,0,-37,-33,-29,-35,-53,-54,-61,-29,-35,-37,-114,-111,-113,-116,-179,-183,-183,-172,-167,-173,-161,-118,-155,0,-155,-160,-160,-152,-152,-145,-183,-152,-389,-383,-1154,-1140,-29978,-29979,-29979,-29980,-29980,-29981,-29980,-29981,-29986,-29987,-29987]} 1. e4 {[%emt 0:00:06]} e5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:21]} Nc6 {[%emt 0:00:02]} 3. Bc4 {[%emt 0:00:32]} Nf6 {[%emt 0:00:07]} 4. d3 {[%emt 0:00:36]} a6 {[%emt 0:01:09]} 5. a4 {[%emt 0:01:47]} Bc5 {[%emt 0:00:07]} 6. c3 {[%emt 0:01:52] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} Ba7 {[%emt 0:00:12]} 7. O-O {[%emt 0:01:31]} d6 {[%emt 0:01:42]} 8. Nbd2 {[%emt 0:02:02] White is slightly better.} Be6 {[%emt 0:02:37]} 9. Bxe6 {[%emt 0:02:53]} fxe6 {[%emt 0:00:01]} 10. Nc4 {[%emt 0:00:54]} O-O {[%emt 0:03:13]} 11. Re1 {[%emt 0:08:16]} Qe8 {[%emt 0:15:12]} 12. Be3 {[%emt 0:10:46] [#]} b5 $146 {[%emt 0:08:43]} ({Predecessor:} 12... Bxe3 13. Rxe3 b5 14. Ncd2 b4 15. d4 a5 16. h3 bxc3 17. bxc3 exd4 18. cxd4 Nb4 {½-½ Broadway,D (2292)-Voetter,H (2390) VW-Cup9 Gr23 email 2016}) 13. axb5 {[%emt 0:02:30]} axb5 {[%emt 0:00:14]} 14. Ncd2 {[%emt 0:03:13]} Bxe3 {[%emt 0:02:08]} 15. fxe3 {[%emt 0:01:38]} Rxa1 {[%emt 0:14:37]} 16. Qxa1 {[%emt 0:00:10]} Qd7 {[%emt 0:10:52]} 17. Qa2 {[%emt 0:16:17]} h6 {[%emt 0:03:05]} 18. d4 {[%emt 0:02:49]} d5 {[%emt 0:06:14]} 19. exd5 {[%emt 0:02:37]} Qxd5 {[%emt 0:07:20]} 20. Qxd5 {[%emt 0:01:44]} exd5 {[%emt 0:00:12]} 21. dxe5 {[%emt 0:01:55]} Nd7 {[%emt 0:09:08]} 22. e4 {[%emt 0:06:45]} dxe4 {[%emt 0:00:14]} 23. Rxe4 {[%emt 0:00:10]} Re8 {[%emt 0:00:58]} 24. Nd4 {[%emt 0:03:04]} Ncxe5 {[%emt 0:00:26]} 25. Nxb5 {[%emt 0:02:21]} Rb8 {[%emt 0:02:52]} 26. Nxc7 {[%emt 0:03:57] [#] b4 would be deadly.} Rxb2 {[%emt 0:00:06]} 27. Rd4 {[%emt 0:06:19]} Nc5 {[%emt 0:01:52]} 28. Nc4 {[%emt 0:02:42]} Rb1+ {[%emt 0:02:47]} 29. Kf2 {[%emt 0:01:22]} Ned3+ {[%emt 0:01:57]} 30. Ke3 {[%emt 0:02:39]} Ne1 {[%emt 0:03:52]} 31. Rd2 {[%emt 0:02:18] Dodges Nc2+} Rc1 {[%emt 0:01:58]} 32. Nd5 {[%emt 0:04:08]} Na4 {[%emt 0:01:19]} 33. Kd4 {[%emt 0:01:29]} Nc2+ {[%emt 0:00:08]} 34. Ke5 {[%emt 0:02:00]} (34. Ke4 $1 $14) 34... Ne1 {[%emt 0:00:08]} ({Black should try} 34... Nxc3 $1 $11 35. Nxc3 Nb4) 35. Ne7+ {[%emt 0:03:41]} ({Better is} 35. Kf5 $1 $14 Kh7 36. Ke4) 35... Kh7 $1 $11 {[%emt 0:01:25]} 36. Rd7 {[%emt 0:00:30] And now Nf5 would win.} Rxc3 {[%emt 0:00:19]} 37. Nd6 {[%emt 0:00:32] Hoping for Nef5.} Nd3+ {[%emt 0:00:49]} 38. Kd4 {[%emt 0:00:25] Threatens to win with Nef5.} Ndc5 {[%emt 0:00:30]} 39. Ra7 {[%emt 0:00:32]} Rd3+ {[%emt 0:00:22]} 40. Ke5 {[%emt 0:00:26]} Nb6 {[%emt 0:00:30]} 41. Nef5 {[%emt 0:02:39]} (41. Nec8 $15 Nbd7+ 42. Kf4) 41... Nbd7+ $17 {[%emt 0:01:06]} 42. Kf4 {[%emt 0:05:51]} g6 {[%emt 0:12:19]} 43. Ne4 {[%emt 0:01:48]} (43. h4 $17) 43... Ne6+ $19 {[%emt 0:01:47]} 44. Kg4 {[%emt 0:00:07] Black must now prevent Nf6+.} gxf5+ {[%emt 0:03:47]} ({Not} 44... h5+ 45. Kh4 gxf5 46. Rxd7+ Rxd7 47. Nf6+ Kh6 48. Nxd7 $11) 45. Kxf5 {[%emt 0:00:08]} Ng7+ {[%emt 0:00:51]} 46. Kf4 {[%emt 0:00:50][%cal Oa7d7]} Nb6 {[%emt 0:00:50]} 47. Ra6 {[%emt 0:02:00]} Nd7 {[%emt 0:03:31]} 48. Ra7 $1 {[%emt 0:00:14][%cal Oa7d7]} Nf8 {[%emt 0:04:38]} 49. Ke5 {[%emt 0:03:19]} Kg6 {[%emt 0:01:46] Strongly threatening ...Nd7+.} 50. Ra6+ {[%emt 0:00:48] [#]} Nfe6 $1 {[%emt 0:02:45]} 51. Rb6 {[%emt 0:03:54]} (51. h4 Re3) 51... Re3 {[%emt 0:01:03] aiming for ...Re2.} 52. h4 $2 {[%emt 0:03:22] Now White is beyond hope.} (52. g4 $17) 52... Kh5 {[%emt 0:01:56]} 53. Rb4 $2 {[%emt 0:08:27]} (53. g3) 53... Nc5 {[%emt 0:00:21] ( -> ...Rxe4+)} (53... Kxh4 54. Kf6 $15) 54. Kf6 {[%emt 0:02:34]} Rxe4 {[%emt 0:00:26] Black mates.} 55. Rxe4 {[%emt 0:00:10]} Nxe4+ {[%emt 0:00:00]} 56. Kxg7 {[%emt 0:00:20]} Ng3 $1 {[%emt 0:00:15]} (56... Kxh4 57. Kxh6 Ng5 58. Kg7 $11) 57. Kh7 {[%emt 0:00:23]} Nf5 $1 {[%emt 0:00:09]} ({Weaker is} 57... Kxh4 58. Kxh6 Nh5 59. Kh7 $11) 58. g4+ {[%emt 0:00:17]} Kxg4 {[%emt 0:00:02]} 59. Kg6 {[%emt 0:00:09]} h5 {[%emt 0:00:13] Weighted Error Value: White=0.41/Black=0.08 (flawless)} ({Stronger than} 59... Nxh4+ 60. Kxh6 $11) 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.2"]
[White "Mametev, Artem"]
[Black "Paseka, Matyas"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "2074"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,60,0,10,0,0,0,0,-12,0,0,0,0,55,50,140,75,67,89,160,156,505,485,470,282,272,233,221,0,0,0,0,-28,-29,-134,-71,-352,-356,-378,-364,-376,-360,-399,-416,-1189,-1179,-1168,-1126,-1068,-1057]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:03]} d6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:05]} 6. Bc4 {[%emt 0:00:13]} Qb6 {[%emt 0:00:07]} 7. Nde2 {[%emt 0:00:08]} e6 {[%emt 0:02:22]} 8. a3 {[%emt 0:02:07] B57: Classical Sicilian: Sozin with 6...Qb6.} a6 {[%emt 0:01:30]} 9. O-O {[%emt 0:00:30]} Be7 {[%emt 0:01:12]} 10. Ba2 {[%emt 0:03:43] The position is equal.} Qc7 {[%emt 0:05:19]} 11. Kh1 {[%emt 0:08:51]} b5 {[%emt 0:05:26]} 12. f4 {[%emt 0:18:18][%cal Bf2f4,Bf4f5][%mdl 32] [#]} h6 $146 {[%emt 0:11:22]} (12... O-O $11) ({Predecessor:} 12... O-O 13. Ng3 Na5 14. f5 Nc4 15. Bxc4 Qxc4 16. Bg5 Ra7 17. Rf4 Qc5 18. Rf3 Rc7 {0-1 Saladen Dulce,R (2300)-Pupo,E (2340) Cali op-A 3rd 1999 (5)}) 13. f5 $14 {[%emt 0:04:22]} e5 {[%emt 0:00:44] Dodges Nf4} ({Black should try} 13... Ne5 $14) 14. h3 {[%emt 0:13:08]} (14. Ng3 $142) 14... Bb7 $16 {[%emt 0:00:33]} 15. Ng3 {[%emt 0:14:40]} Rc8 {[%emt 0:07:04] [#]} (15... Na5 $142) 16. Nh5 $1 {[%emt 0:04:48]} (16. Nd5 $6 Nxd5 17. Bxd5 Bf6 $14) 16... O-O {[%emt 0:10:55]} (16... Nxh5 $16 17. Qxh5 Nd8) 17. Nd5 $18 {[%emt 0:08:22] Intending Nhxf6+ and mate.} Qd8 {[%emt 0:00:46]} 18. Nhxf6+ {[%emt 0:00:33]} Bxf6 {[%emt 0:00:09]} 19. Qg4 {[%emt 0:03:27]} Kh7 {[%emt 0:01:10] [#]} 20. Be3 $2 {[%emt 0:01:06]} ({White has to play} 20. h4 $1 $18 {Hoping for Nxf6+.} Rh8 21. Qh5) 20... Nd4 $1 $11 {[%emt 0:00:47]} 21. Nxf6+ {[%emt 0:02:18]} Qxf6 {[%emt 0:00:17]} 22. Bf2 {[%emt 0:00:20] aiming for c3.} (22. h4 $5 {[%cal Re3g5]} Rh8 23. Bxd4 exd4 24. Bb3 $17) 22... Rxc2 {[%emt 0:17:16] White must now prevent ...Qg5.} 23. Rac1 {[%emt 0:09:53]} (23. Bh4 $11 h5 24. Qxh5+ Qh6 25. Qg4 (25. Qxh6+ Kxh6 26. Rae1 Rxb2 $17)) 23... Re2 {[%emt 0:07:13] Black is more active.} (23... Rxb2 $142 24. Bh4 h5 25. Qxh5+ Qh6 26. Qxh6+ Kxh6) 24. Bxd4 $4 {[%emt 0:03:20][%mdl 8192]} (24. Bh4 $17 h5 25. Qxe2 (25. Qxh5+ Qh6 $17) 25... Nxe2 26. Bxf6 Nxc1 27. Rxc1 gxf6 28. Bb1) 24... Rxe4 $19 {[%emt 0:00:08]} 25. Rf4 {[%emt 0:00:16]} Rxd4 {[%emt 0:02:03]} (25... Rxf4 $2 {loses.} 26. Qxf4 exd4 27. Rc7 $19) 26. Rxd4 {[%emt 0:00:06]} exd4 {[%emt 0:00:04]} 27. Rd1 {[%emt 0:01:56]} Re8 {[%emt 0:05:51]} 28. Qxd4 {[%emt 0:01:04] [#]} (28. Bb1 $142) 28... Re1+ $3 {[%emt 0:00:09][%mdl 576] Deflection. Black is clearly winning.} 29. Kh2 {[%emt 0:00:14]} Rxd1 {[%emt 0:00:09][%mdl 64] Deflection} 30. Qxd1 {[%emt 0:00:09]} Qxb2 {[%emt 0:00:06] Artfully played by Paseka.   Weighted Error Value: White=0.66/Black=0.39} ({Stronger than} 30... Qxf5 31. Bb1 Be4 32. Bxe4 Qxe4 33. Qxd6 $17) 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.3"]
[White "Janous, Marek"]
[Black "Prazak, Daniel"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2124"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,79,0,0,0,0,0,0,0,-2,0,-8,0,-26,-27,-32,-34,-29,-33,-26,0,0,0,0,-17,-6,202,191,188,185,236,243,225,204,274,273,264,225,430,433,374,25,27,0,0,0,0,0,387,379,341,315,309,299,370,366,335,0,0,0,0,0,0,0,0,0,0,0,29986,29987,29987,29988]} 1. b3 {[%emt 0:01:21]} d5 {[%emt 0:01:02]} 2. Bb2 {[%emt 0:00:32]} Bf5 {[%emt 0:00:25]} 3. e3 {[%emt 0:00:42]} e6 {[%emt 0:01:00]} 4. f4 {[%emt 0:00:47]} Nf6 {[%emt 0:01:19]} 5. Nf3 {[%emt 0:00:08]} Nbd7 {[%emt 0:01:23]} 6. Be2 {[%emt 0:00:57]} h6 {[%emt 0:01:34] A03: Bird's Opening with 1...d5.} 7. O-O {[%emt 0:00:50]} Bd6 {[%emt 0:03:16]} 8. Ne5 {[%emt 0:00:44]} O-O {[%emt 0:01:21] The position is equal.} 9. d3 {[%emt 0:15:50]} c6 {[%emt 0:05:04]} 10. Qe1 {[%emt 0:11:29] [#]} Bc7 $146 {[%emt 0:12:33]} ({Predecessor:} 10... Ne8 11. Nxd7 Qxd7 12. Nd2 Bh7 13. Qg3 f6 14. Bh5 Bb4 15. Nf3 Nd6 16. Nh4 Nf5 17. Nxf5 Bxf5 {0-1 Mustafin,A (2241)-Karpenko,A (2258) Moscow op-A 2016 (1)}) 11. Nd2 {[%emt 0:05:50]} Nxe5 {[%emt 0:02:00]} 12. fxe5 {[%emt 0:00:29]} Nd7 {[%emt 0:01:39]} 13. Nf3 {[%emt 0:14:09]} Qb8 {[%emt 0:02:13][%cal Rd7e5]} 14. Ba3 {[%emt 0:08:44]} Re8 {[%emt 0:02:03]} 15. d4 {[%emt 0:00:09]} f6 {[%emt 0:10:48][%cal Bf7f6,Bf6e5][%mdl 32]} 16. Nh4 {[%emt 0:01:59] Rxf5 is the strong threat.} fxe5 {[%emt 0:03:02]} 17. Bh5 {[%emt 0:00:16]} Rd8 $2 {[%emt 0:17:49]} (17... Be4 $1 $11 {and Black is okay.}) 18. Nxf5 $18 {[%emt 0:18:58]} exf5 {[%emt 0:00:07]} 19. Rxf5 {[%emt 0:00:36]} Bd6 {[%emt 0:05:16]} (19... Kh8 {is a better defense.}) 20. Bxd6 {[%emt 0:02:09]} Qxd6 {[%emt 0:00:13]} 21. dxe5 {[%emt 0:00:07]} Qe7 {[%emt 0:05:40][%cal Od8f8]} 22. Bf7+ {[%emt 0:00:20]} Kh8 {[%emt 0:01:11]} 23. Qg3 {[%emt 0:00:24] Threatens to win with Raf1.} Nc5 $2 {[%emt 0:04:26]} (23... Nf6 {might work better.} 24. exf6 Qxf7) 24. Qg6 {[%emt 0:00:46]} Ne4 {[%emt 0:02:07]} 25. Rh5 $2 {[%emt 0:00:44]} (25. Raf1 $18) 25... Ng5 $11 {[%emt 0:01:01]} 26. Rf1 {[%emt 0:01:24]} Qxe5 {[%emt 0:07:23]} 27. h4 {[%emt 0:03:47]} Qxe3+ {[%emt 0:00:13]} 28. Kh2 {[%emt 0:00:55]} Ne4 $2 {[%emt 0:00:39][%mdl 8192]} (28... Nh7 $11) 29. Rf3 $1 $18 {[%emt 0:01:35]} Qd2 {[%emt 0:01:08]} 30. Be6 $1 {[%emt 0:02:16] Bf5 would be deadly.} Rf8 {[%emt 0:02:18]} 31. Bf5 $1 {[%emt 0:02:17][%csl Gf5][%cal Rg6h7]} Nf6 {[%emt 0:03:19] [#] Wards off Qh7+} (31... Qxc2 $2 32. Qh7#) 32. Rg3 $1 {[%emt 0:00:52][%csl Gg3][%cal Rg6g7]} Rg8 {[%emt 0:00:01] [#]} 33. Rgg5 $1 $40 {[%emt 0:01:21][%mdl 128] Black needs to defend precisely.} Qf4+ $11 {[%emt 0:00:22]} (33... Nxh5 $2 34. Qh7#) 34. Kh3 {[%emt 0:00:23][%cal Oh5h6] White threatens Rxh6+! and mate. Really sharp!} Qe3+ {[%emt 0:00:26]} (34... Nxh5 $2 35. Qh7#) 35. g3 {[%emt 0:00:24][%cal Oh5h6] Intending Rxh6+! and mate.} (35. Kh2 {is interesting.} Qe7 36. Bd3 Raf8 37. Rf5) 35... Qe7 {[%emt 0:00:21] White must now prevent ...Rgf8.} (35... Nxh5 $2 36. Qh7#) 36. Rxh6+ {[%emt 0:03:04][%mdl 64] Demolition} gxh6 {[%emt 0:00:06]} 37. Qxh6+ {[%emt 0:00:05]} Nh7 {[%emt 0:00:30]} 38. Bxh7 $1 {[%emt 0:00:35]} Rxg5 {[%emt 0:01:20][%mdl 8192]} (38... Qxh7 $11 39. Qf6+ Rg7) 39. Bf5+ {[%emt 0:00:09]} Kg8 {[%emt 0:00:08]} 40. Be6+ {[%emt 0:00:01] Excellently played by Janous!   Weighted Error Value: White=0.35/Black=0.59} ({Worse is} 40. Qxg5+ Qxg5 41. hxg5 Kg7 $17) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.4"]
[White "Lang, Simon"]
[Black "Seidl, Jan"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1974"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 22,117,19,12,24,16,18,26,15,0,0,0,18,9,16,11,64,58,149,140,330,333,319,322,296,237,342,339,381,385,448,441,525,524,613,608,629,646,647,650,645,643,730,616,607,595,986,526,520,529,488,366,473,509,481,389,509,508,510,491,578,578,554,461,510,368,475,460,966,966,966,966,959,959,959,959,959,959,959,959,952,939,944,944,930,922,922,916,909,902,922,894,787,610,29982,29983,29989,29990]} 1. e4 {[%emt 0:00:34]} c6 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:53]} d5 {[%emt 0:00:11]} 3. exd5 {[%emt 0:00:54]} cxd5 {[%emt 0:00:04]} 4. cxd5 {[%emt 0:00:37]} Nf6 {[%emt 0:00:27]} 5. Nc3 {[%emt 0:00:56]} g6 {[%emt 0:03:58]} 6. Qb3 {[%emt 0:02:33]} Bg7 {[%emt 0:00:17]} 7. g3 {[%emt 0:02:06]} O-O {[%emt 0:01:11]} 8. Bg2 {[%emt 0:01:42]} Nbd7 {[%emt 0:00:29]} 9. d4 {[%emt 0:09:25]} Nb6 {[%emt 0:02:23]} 10. Nge2 {[%emt 0:02:45]} Bf5 {[%emt 0:02:11]} 11. O-O {[%emt 0:08:00]} Bd3 {[%emt 0:01:09] [#]} 12. d6 $1 {[%emt 0:05:02][%mdl 64] Discovered Attack} Qxd6 {[%emt 0:00:55] B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 13. Bxb7 {[%emt 0:08:47]} Rad8 {[%emt 0:00:08]} 14. Bf4 {[%emt 0:07:43]} Qd7 {[%emt 0:01:52] White has an edge.} 15. Bf3 {[%emt 0:03:32]} Bc4 {[%emt 0:02:51] [#]} 16. Qa3 $146 {[%emt 0:03:40]} ({Predecessor:} 16. Qd1 Nfd5 17. Be3 Nxe3 18. fxe3 Bh6 19. e4 Be3+ 20. Kh1 Bxd4 21. Qxd4 Qxd4 22. Nxd4 Rxd4 {½-½ Ivanenko,O (2077)-Bogdan,D UKR-ch U14 Girls 2007 (7)}) 16... Nfd5 {[%emt 0:02:57]} 17. Rfe1 {[%emt 0:04:18]} Nxf4 {[%emt 0:20:30]} 18. Nxf4 {[%emt 0:01:31]} e6 {[%emt 0:07:29]} (18... Bxd4 $11 19. Qxe7 (19. Rxe7 Qf5 $15) 19... Rfe8 20. Qxd7 Rxe1+ 21. Rxe1 Rxd7) 19. Rad1 $14 {[%emt 0:07:17]} Bxd4 {[%emt 0:10:44]} (19... Qd6 $14) 20. b3 $16 {[%emt 0:09:08] aiming for Re4. White is much more active.} Bb5 $2 {[%emt 0:05:05] [#] A mistake that costs the game.} (20... Qc7 $16 {was worth a try.}) 21. Rxd4 $1 $18 {[%emt 0:01:58][%mdl 576] Deflection} Qxd4 {[%emt 0:00:05]} 22. Nxb5 {[%emt 0:00:09]} Qf6 {[%emt 0:00:02]} 23. Bg2 {[%emt 0:05:36]} (23. Nxa7 e5 $16) 23... e5 {[%emt 0:00:27]} (23... Nc8 $142 24. Qa5 (24. Nxa7 Nxa7 25. Qxa7 Qb2 $18) 24... Rd7) 24. Ne2 {[%emt 0:00:53]} e4 {[%emt 0:00:06]} 25. Nec3 {[%emt 0:01:22]} (25. Bxe4 Rfe8 $18) (25. Qxa7 Ra8 $18) 25... e3 {[%emt 0:00:07]} 26. Rxe3 {[%emt 0:00:48]} (26. Qxa7 $2 Qxf2+ 27. Kh1 Qxe1+) ({Not} 26. fxe3 Rd7 27. Ne4 Qe7 $18) 26... Rd2 {[%emt 0:01:01]} 27. Bf3 {[%emt 0:01:47]} (27. Nxa7 $2 {leads to mate.} Qxf2+ 28. Kh1 Qxg2#) 27... Rd7 {[%emt 0:01:00]} 28. Nxa7 {[%emt 0:02:12]} g5 {[%emt 0:00:27]} 29. g4 {[%emt 0:00:26]} h5 {[%emt 0:00:33]} 30. h3 {[%emt 0:01:29][%cal Bh2h3,Bh3g4][%mdl 32]} hxg4 {[%emt 0:00:18]} 31. hxg4 {[%emt 0:00:05]} Kg7 {[%emt 0:00:07]} 32. Qa5 {[%emt 0:02:16]} Rh8 {[%emt 0:00:58]} 33. Nc6 {[%emt 0:00:54]} Rd2 {[%emt 0:04:08]} 34. Qe5 {[%emt 0:02:55] Wards off Nd5} Nd7 {[%emt 0:00:32]} 35. Qxf6+ {[%emt 0:01:11]} Nxf6 {[%emt 0:00:05]} 36. Ne4 {[%emt 0:00:34]} Rxa2 {[%emt 0:00:41]} 37. Nxf6 {[%emt 0:01:36]} ({Don't take} 37. Nxg5 Re8 38. Re5 Rc2 $18) 37... Kxf6 {[%emt 0:00:06]} 38. Re1 {[%emt 0:00:20] Prevents Ra1.} Rb2 {[%emt 0:00:44]} 39. b4 {[%emt 0:00:16][%cal Bb3b4,Bb4b5][%mdl 32]} Rc8 {[%emt 0:00:26]} 40. Kg2 {[%emt 0:01:10]} Rc2 {[%emt 0:00:37]} 41. b5 {[%emt 0:30:52] And now Rb1 would win.} Rb2 {[%emt 0:30:17] Wards off Rb1} 42. Re3 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 43. Be2 {[%emt 0:00:00]} Rb7 {[%emt 0:00:00]} 44. Kf3 {[%emt 0:00:00]} Rxe2 {[%emt 0:00:00]} (44... Rd7 $142 45. Re5 Kg6) 45. Kxe2 {[%emt 0:00:00]} Rxb5 {[%emt 0:00:00][%mdl 4096] Endgame KRN-KR} 46. Nd4 {[%emt 0:00:00]} Rb4 {[%emt 0:00:00]} 47. Re4 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 48. Kf3 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:00]} 49. Re3 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 50. Ke4 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 51. Rf3 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 52. Rf5 {[%emt 0:00:00]} Ra2 {[%emt 0:00:00]} 53. f3 {[%emt 0:00:00]} Ra1 {[%emt 0:00:00]} 54. Nc6 {[%emt 0:00:00]} Re1+ {[%emt 0:00:00]} 55. Kd5 {[%emt 0:00:00]} Rd1+ {[%emt 0:00:00]} 56. Ke6 {[%emt 0:00:00]} Re1+ {[%emt 0:00:00]} 57. Kd6 {[%emt 0:00:00] Strongly threatening Ra5.} Rd1+ {[%emt 0:00:00]} 58. Ke7 {[%emt 0:00:00]} Re1+ {[%emt 0:00:00]} 59. Kf8 {[%emt 0:00:00] Weighted Error Value: White=0.12 (very precise) /Black=0.44} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.5"]
[White "Dolensky, Filip"]
[Black "Pelc, Adam"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2108"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,95,-37,-37,-31,-3,-31,-4,-29,0,-27,12,6,19,-6,0,-12,0,0,18,-7,-4,-10,-12,-8,-4,-37,-49,-72,-10,-59,-49,-49,-23,-87,-72,-88,-94,-92,-38,-36,0,-101,0,-58,0,-170,-165,-200,-189,-185,-184,-171,-172,-155,-184,-169,-169,-193,-193,-268,-192,-193,0,-262,-247,-266,-224,-280,-285,-272,-241,-244,-111,-123,-100,-177,-149,-207,-143,-153,45,38,196,0,37,-13,-9,-113]} 1. e4 {[%emt 0:02:43]} e5 {[%emt 0:00:35]} 2. Nf3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:43]} 3. d3 {[%emt 0:00:05]} Nc6 {[%emt 0:01:24]} 4. Nbd2 {[%emt 0:00:06]} Bc5 {[%emt 0:01:50]} 5. h3 {[%emt 0:00:16]} d5 {[%emt 0:04:41]} 6. c3 {[%emt 0:01:11] C44: Ponziani Opening and Scotch Gambit.} a6 {[%emt 0:05:37]} 7. Qc2 {[%emt 0:00:05]} Be6 {[%emt 0:06:56]} 8. Be2 {[%emt 0:00:15]} h6 {[%emt 0:01:56]} 9. Nf1 {[%emt 0:00:49]} Qd7 {[%emt 0:08:13] [#]} 10. b4 $146 {[%emt 0:00:57]} ({Predecessor:} 10. Bd2 Bb6 11. Ng3 O-O-O 12. b4 g5 13. Nh2 dxe4 14. dxe4 Qxd2+ 15. Qxd2 Bxf2+ 16. Kxf2 Rxd2 {0-1 Egreteau,E (2050)-Le Goff,R (1882) Pornic op 2008 (1)}) 10... Bd6 {[%emt 0:01:00]} 11. a3 {[%emt 0:00:46]} b5 {[%emt 0:06:51]} 12. Ng3 {[%emt 0:08:00]} O-O {[%emt 0:04:33]} 13. O-O {[%emt 0:00:49]} Rfb8 {[%emt 0:02:38]} (13... a5 $5 {[%cal Ra5b4]}) 14. Bb2 {[%emt 0:04:56]} a5 {[%emt 0:03:12]} 15. Rac1 {[%emt 0:03:49]} axb4 {[%emt 0:06:12]} 16. cxb4 {[%emt 0:01:11]} Ra6 {[%emt 0:00:12]} 17. Qd2 {[%emt 0:19:19]} d4 {[%emt 0:08:26]} 18. Bd1 {[%emt 0:04:19]} Kh7 {[%emt 0:03:41]} (18... Rba8 $17) 19. Re1 {[%emt 0:00:47]} (19. Nh4 $1 $11) 19... Ng8 {[%emt 0:00:54]} (19... Rba8 $5 {[%cal Ra6a3]}) 20. Nh2 {[%emt 0:03:55][%cal Of2f4]} Nge7 {[%emt 0:03:46]} 21. Ng4 {[%emt 0:03:49]} (21. Nh5 $11 {keeps the balance.}) 21... Ng6 $17 {[%emt 0:01:30]} 22. Bf3 {[%emt 0:06:37][%cal Og3f5]} Be7 {[%emt 0:01:20]} 23. Qe2 {[%emt 0:08:21][%cal Og3f5]} Bg5 {[%emt 0:01:42]} (23... Rba8 $17 {aiming for ...Rxa3.} 24. Nf5 h5) 24. Rc5 $15 {[%emt 0:02:40]} Be7 {[%emt 0:02:35]} (24... f6 $15) 25. Rcc1 $17 {[%emt 0:01:49][%cal Og3f5]} Bg5 {[%emt 0:00:30]} 26. Rc5 {[%emt 0:00:06][%cal Og3f5]} Be7 {[%emt 0:00:34]} (26... Bd8 $15) 27. Rec1 $2 {[%emt 0:05:33] [#]} Nf4 $36 {[%emt 0:00:32][%mdl 2048] Black is in control.} 28. Qd2 {[%emt 0:01:59]} Bxc5 {[%emt 0:01:28]} 29. Rxc5 {[%emt 0:00:09]} f6 {[%emt 0:00:45]} 30. Ne2 {[%emt 0:02:48]} Ng6 {[%emt 0:01:17]} 31. Ng3 {[%emt 0:03:04]} Nce7 {[%emt 0:02:14]} 32. Nh5 {[%emt 0:01:06]} Ng8 {[%emt 0:01:31]} 33. Qc2 {[%emt 0:00:07][%cal Oh5f6]} c6 {[%emt 0:00:29]} 34. Ng3 {[%emt 0:00:49]} (34. Be2 {was worth a try.}) 34... Nh4 {[%emt 0:03:23]} 35. Be2 {[%emt 0:00:37]} Ng6 {[%emt 0:02:56]} (35... Qd6 $142 36. Qd2 Ng6) 36. Bf3 $1 {[%emt 0:00:16]} Nf8 {[%emt 0:02:57]} 37. Qd2 {[%emt 0:03:19]} Qe7 {[%emt 0:01:11]} 38. Qc1 {[%emt 0:01:08]} Rc8 {[%emt 0:00:43]} 39. Nf5 {[%emt 0:00:50]} Bxf5 {[%emt 0:01:32]} 40. exf5 {[%emt 0:00:01]} Qd7 {[%emt 0:01:57]} (40... Nd7 $19 41. Rxb5 Ra7) 41. Be4 $17 {[%emt 0:30:49]} Ne7 {[%emt 0:32:22][%cal Bg8e7,Be7d5,Bd5f4][%mdl 32]} 42. Qd1 {[%emt 0:02:19]} (42. f4 $17 {was called for.} exf4 43. Qxf4) 42... Nd5 {[%emt 0:02:19]} (42... Nxf5 $2 43. Nxf6+ gxf6 44. Qg4 $18) 43. Qc2 {[%emt 0:02:28]} (43. Qc1 $17 Raa8 44. g3) 43... Nf4 {[%emt 0:00:00]} 44. Kh2 {[%emt 0:00:00]} Qd6 $2 {[%emt 0:00:00]} ({Better is} 44... Rd8 $17 {White must now prevent ...Qd6.} 45. Bc1 Qd6) 45. g3 $14 {[%emt 0:00:00]} h5 $2 {[%emt 0:00:00] [#]} ({Black should try} 45... Nxd3 $14 46. Qxd3 Nd7) 46. gxf4 $2 {[%emt 0:00:00]} ({White has to play} 46. Nxe5 $1 $18 Nxh3 47. Nf3) 46... hxg4 {[%emt 0:00:00]} 47. hxg4 {[%emt 0:00:00]} (47. fxe5 $14 fxe5 48. Qe2) 47... exf4 $11 {[%emt 0:00:00] ...Nd7 would be deadly.} 48. f3 {[%emt 0:00:00] Weighted Error Value: White=0.28 (precise) /Black=0.39} (48. Kg2 $11) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.6"]
[White "Hladky, Tadeas"]
[Black "Werner, Hong Quan Dan"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1973"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 15,107,14,51,19,25,10,29,23,86,83,90,95,125,119,137,116,140,96,111,101,131,129,126,106,116,118,110,102,163,157,143,138,142,152,147,147,139,152,149,162,233,219,226,222,230,231,234,227,231,231,212,181,212,212,215,214,211,211,211,204,222,237,404,396,610,602,1011,1008,910,875,1132,1275,1141,1137,984,481,1607,1341,29977,29978,29978,29979,29979,29980,29980,29981,29987,29988,29989,29989,29990,29990,29995,29996]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:10]} 3. Bb5 {[%emt 0:00:04]} g6 {[%emt 0:00:08]} 4. O-O {[%emt 0:00:04]} Nf6 {[%emt 0:00:34]} 5. Re1 {[%emt 0:01:06]} Bg7 {[%emt 0:00:16]} 6. e5 {[%emt 0:00:05]} Nd5 {[%emt 0:00:13]} 7. Nc3 {[%emt 0:00:05]} Nc7 {[%emt 0:01:09]} 8. Bxc6 {[%emt 0:00:05]} bxc6 {[%emt 0:07:07]} 9. d3 {[%emt 0:03:17] B31: Sicilian: 2...Nc6 3 Bb5 g6.} O-O {[%emt 0:04:54]} 10. Be3 {[%emt 0:00:37]} Ne6 {[%emt 0:02:09]} 11. Qd2 {[%emt 0:03:23] White has an edge.} d5 {[%emt 0:07:56] [#]} (11... d6 $11 {remains equal.}) 12. Na4 $146 {[%emt 0:09:10]} ({Predecessor:} 12. Bh6 Bb7 13. b3 Ba6 14. Rad1 Qc7 15. Na4 c4 16. d4 Bb5 17. Nc5 Nxc5 18. dxc5 {1-0 Adhiban,B (2303)-Prince,B (1878) Asia-ch U20 New Delhi 2006 (1.11)}) 12... d4 {[%emt 0:04:35]} 13. Bh6 {[%emt 0:01:16]} f6 {[%emt 0:01:54]} 14. Bxg7 {[%emt 0:01:31]} Kxg7 {[%emt 0:00:12]} 15. exf6+ {[%emt 0:01:55]} exf6 {[%emt 0:00:24]} 16. b3 {[%emt 0:01:06]} Qd6 {[%emt 0:04:24]} 17. Re4 {[%emt 0:07:24]} Bd7 {[%emt 0:01:31]} 18. Rae1 {[%emt 0:02:08]} (18. Rh4 g5 19. Re4 Be8 $14) 18... Rfe8 {[%emt 0:01:37]} 19. h3 {[%emt 0:01:53]} (19. Rh4 Kg8 $14) 19... c4 {[%emt 0:01:18]} 20. dxc4 {[%emt 0:04:03]} (20. bxc4 c5 21. Qa5 (21. Rh4 $2 g5 $19) 21... Qc6 $14) (20. Rh4 $6 g5 21. Rxe6 (21. Rhe4 c3 $17) 21... Bxe6 22. Nxg5 Bf5 $11) 20... c5 {[%emt 0:00:29]} 21. Qa5 {[%emt 0:05:54]} (21. Rh4 g5 22. Rhe4 Nf4 $14) 21... Bc6 {[%emt 0:06:24] [#]} (21... Kf7 $16 {might work better.}) 22. Rxe6 $1 $18 {[%emt 0:01:32][%mdl 576] Deflection} Rxe6 {[%emt 0:00:22]} 23. Rxe6 {[%emt 0:00:04]} (23. Nxc5 $6 Rxe1+ 24. Nxe1 Re8 $11) 23... Qxe6 {[%emt 0:00:06]} 24. Qc7+ {[%emt 0:00:14]} Kg8 {[%emt 0:08:30] ...Bxa4 would be deadly.} 25. Nxc5 {[%emt 0:01:40]} Qe8 {[%emt 0:00:10]} 26. Nxd4 $40 {[%emt 0:01:15][%mdl 128] White wants a kill. White is much more active. Excellent horsemanship.} Rc8 {[%emt 0:00:11]} 27. Qd6 $1 {[%emt 0:01:12]} (27. Qxa7 $2 Qe1+ 28. Kh2 Qe5+ 29. Kg1 Qxd4 $19) 27... Qe1+ {[%emt 0:02:16]} (27... Kf7 $142 28. Nde6 Qe7) 28. Kh2 {[%emt 0:00:26]} Qe5+ {[%emt 0:00:22]} 29. Qxe5 {[%emt 0:00:05]} fxe5 {[%emt 0:00:04]} 30. Nxc6 {[%emt 0:00:55]} Rxc6 {[%emt 0:00:04][%mdl 4096] Endgame KR-KN} 31. Ne4 {[%emt 0:01:17]} Kf7 {[%emt 0:02:23]} 32. Kg3 {[%emt 0:01:04]} Rc7 {[%emt 0:00:48]} 33. Nc3 {[%emt 0:17:28]} Ke6 {[%emt 0:01:06]} 34. Kf3 {[%emt 0:00:06]} h6 {[%emt 0:07:07]} 35. Nd5 {[%emt 0:01:33]} Rf7+ {[%emt 0:00:40]} 36. Ke3 {[%emt 0:00:05]} g5 {[%emt 0:01:38]} 37. f3 {[%emt 0:03:11]} h5 {[%emt 0:00:11]} 38. Ke4 {[%emt 0:05:37]} Rg7 $2 {[%emt 0:02:18]} (38... g4 {is a better defense.} 39. hxg4 (39. fxg4 Rf2 $18) 39... Rg7) 39. c5 $1 {[%emt 0:08:28][%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32] Black must now prevent c6.} g4 {[%emt 0:00:30]} (39... Kd7 $142 40. Kxe5 h4) 40. hxg4 {[%emt 0:00:05] c6 is the strong threat.} hxg4 {[%emt 0:00:05] [#]} 41. c6 $1 {[%emt 0:30:13]} gxf3 {[%emt 0:33:19] [#]} 42. c7 $1 {[%emt 0:01:11]} ({And not} 42. gxf3 Rg2 $11) 42... Kd7 {[%emt 0:04:36]} 43. gxf3 {[%emt 0:01:12]} Rg2 {[%emt 0:00:25]} 44. c4 {[%emt 0:02:10][%cal Bc2c4,Bc4c5,Bc5c6][%mdl 32]} ({Less strong is} 44. Kxe5 Re2+ 45. Kd4 Rxc2 $11) 44... Re2+ {[%emt 0:01:13]} 45. Kf5 {[%emt 0:01:23] And now b4 would win.} Rxa2 {[%emt 0:00:26]} (45... Rf2 $142 46. Kxe5 Rxf3) 46. Kxe5 {[%emt 0:00:15]} Ra3 {[%emt 0:00:58]} 47. c5 {[%emt 0:02:42] White mates.} Ra6 {[%emt 0:04:11]} 48. b4 {[%emt 0:05:30][%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Re6+ {[%emt 0:01:35]} 49. Kd4 {[%emt 0:00:33]} a6 {[%emt 0:05:19]} 50. f4 {[%emt 0:00:22][%cal Bf3f4,Bf4f5][%mdl 32]} Kc8 {[%emt 0:06:33]} 51. f5 {[%emt 0:02:02]} Re1 {[%emt 0:00:09]} 52. c6 {[%emt 0:01:22]} a5 {[%emt 0:01:42]} 53. b5 {[%emt 0:00:48]} a4 {[%emt 0:01:26]} 54. b6 {[%emt 0:00:27] Black got outplayed after the opening.   Weighted Error Value: White=0.04 (flawless) /Black=0.38} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.7"]
[White "Simunek, Jakub Simon"]
[Black "Svoboda, Daniel"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1970"]
[BlackElo "1748"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,59,10,8,8,14,3,9,23,18,23,0,10,-2,25,29,31,0,0,-47,-27,-32,-26,-33,0,0,0,-3,29,19,21,40,22,32,214,225,219,216,224,199,269,241,341,300,510,508,687,664,739,731,717,710]} 1. e4 {[%emt 0:00:19]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:13]} 3. Bb5+ {[%emt 0:00:06]} Nd7 {[%emt 0:00:16]} 4. c3 {[%emt 0:00:19]} Ngf6 {[%emt 0:00:53]} 5. Qe2 {[%emt 0:00:36]} a6 {[%emt 0:00:40]} 6. Ba4 {[%emt 0:00:08]} g6 {[%emt 0:01:19] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. O-O {[%emt 0:00:38]} b5 {[%emt 0:00:40]} 8. Bc2 {[%emt 0:00:05]} Bg7 {[%emt 0:00:18] The position is equal.} 9. d4 {[%emt 0:01:51]} Bb7 {[%emt 0:01:10] was the old line (9...0-0).} 10. Bg5 {[%emt 0:09:52] [#]} Qb6 $146 {[%emt 0:10:43]} ({Predecessor:} 10... O-O 11. Nbd2 e5 12. dxe5 dxe5 13. Rfd1 h6 14. Bxf6 Qxf6 15. Nc4 Rad8 16. Na5 Bc8 {1-0 Feinig,M (2141)-Bauer,T (2228) St Veit op 41st 2022 (6)}) 11. Nbd2 {[%emt 0:06:03]} e6 {[%emt 0:02:30]} 12. a4 {[%emt 0:10:52]} O-O {[%emt 0:07:38]} 13. b3 {[%emt 0:07:59]} Rfc8 {[%emt 0:07:01] [#] Hoping for ...cxd4.} 14. axb5 {[%emt 0:03:22]} (14. Bd3 $11) 14... axb5 {[%emt 0:16:37] And now ...Rxa1 would win.} (14... cxd4 $5 {[%cal Rc8c3]} 15. Nc4 Qxb5 $15) 15. Bd3 {[%emt 0:05:48]} Bc6 {[%emt 0:07:11]} 16. h3 {[%emt 0:07:47]} Ra6 {[%emt 0:04:17]} 17. Rxa6 {[%emt 0:08:57]} Qxa6 {[%emt 0:05:18]} 18. Bf4 Ne8 {[#]} 19. d5 $1 {[%emt 0:02:47][%mdl 64] Deflection} exd5 {[%emt 0:03:03]} 20. exd5 {[%emt 0:00:39]} Bxd5 {[%emt 0:00:35] ...c4 is the strong threat.} 21. Bxb5 {[%emt 0:00:11]} Qb7 {[%emt 0:01:02] Loses the game.} (21... Qa7 $1 $14) 22. Ba6 $18 {[%emt 0:01:19]} Qc7 {[%emt 0:03:44]} 23. Bxc8 {[%emt 0:01:01]} Qxc8 {[%emt 0:00:05]} 24. c4 {[%emt 0:00:28]} Be6 {[%emt 0:01:06]} (24... Bb7 $142 25. Re1 Ndf6) 25. Ng5 {[%emt 0:05:22]} Ne5 {[%emt 0:01:33]} (25... Nf8 $142 26. Qe3 Bd4) 26. Re1 {[%emt 0:03:59]} Nc7 $2 {[%emt 0:04:59]} (26... Bd7 {was worth a try.} 27. Bxe5 Bxe5) 27. Nde4 {[%emt 0:07:08][%cal Bd2e4,Be4d6,Bd6e4][%mdl 32] White is clearly winning.} f6 {[%emt 0:02:19]} 28. Nxd6 {[%emt 0:02:32]} Qa6 {[%emt 0:02:32]} 29. Bxe5 {[%emt 0:02:29]} fxe5 {[%emt 0:01:08]} 30. Nde4 {[%emt 0:00:38] Weighted Error Value: White=0.10 (very precise) /Black=0.58} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.8"]
[White "Slaby, Matej"]
[Black "Tillmann, Stanislav"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1932"]
[BlackElo "1907"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,115,66,67,13,4,-7,0,-23,-10,-9,-14,-26,0,0,0,-8,-9,-13,-15,-20,-17,-17,-11,-11,0,0,0,0,0,-8,0,-13,-13,-13,-23,-42,-13,-22,-19,-17,-3,-28,-8,-13,-9,-15,-1,-2,0,-16,-6,-9,-9,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:14]} c5 {[%emt 0:02:06]} 3. e3 {[%emt 0:00:42]} cxd4 {[%emt 0:02:18]} 4. exd4 {[%emt 0:00:22]} d5 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:27]} e6 {[%emt 0:01:17]} 6. Nf3 {[%emt 0:00:35]} Be7 {[%emt 0:00:41]} 7. Bd3 {[%emt 0:01:43]} O-O {[%emt 0:03:34]} 8. O-O {[%emt 0:00:07]} b6 {[%emt 0:00:14]} 9. cxd5 {[%emt 0:03:01]} Nxd5 {[%emt 0:00:54]} 10. Qe2 {[%emt 0:02:43] D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} (10. Nxd5 $14 exd5 11. Bf4) 10... Bb7 $11 {[%emt 0:11:32]} 11. Rd1 {[%emt 0:03:52]} (11. Qe4 $5 g6 $8 12. Bh6 $11) 11... Nd7 {[%emt 0:02:26]} 12. Ne5 {[%emt 0:01:36]} Rc8 {[%emt 0:01:59] Hoping for ...Rxc3.} 13. Nxd5 {[%emt 0:06:34]} Bxd5 {[%emt 0:01:18] [#]} 14. Ba6 $146 {[%emt 0:06:25]} ({Predecessor:} 14. Bf4 Nxe5 15. dxe5 Bg5 16. Qh5 h6 17. Bg3 Qe8 18. Qe2 {1-0 Kierzek,M (2005)-Korinkova,E (1792) Wch Seniors 50 (Women) 26th 2016 (7)}) 14... Rb8 {[%emt 0:07:31]} 15. Bf4 {[%emt 0:04:40]} Nxe5 {[%emt 0:03:00]} 16. dxe5 {[%emt 0:03:27]} Bg5 {[%emt 0:13:16]} 17. Bg3 {[%emt 0:00:57]} Qe7 {[%emt 0:01:45][%cal Ob6b5]} 18. Bd3 {[%emt 0:11:10]} g6 {[%emt 0:02:57]} 19. Be4 {[%emt 0:07:20]} Bxe4 {[%emt 0:01:33]} 20. Qxe4 {[%emt 0:00:03]} Rfd8 {[%emt 0:01:35]} 21. h4 {[%emt 0:01:33]} Bh6 {[%emt 0:01:53][%cal Bg5h6,Bh6f8,Bf8e7][%mdl 32]} 22. Rd6 {[%emt 0:03:56]} Bf8 {[%emt 0:02:14]} 23. Rad1 {[%emt 0:00:57]} Qc7 {[%emt 0:01:03][%mdl 64] [#] Pin} 24. R6d4 {[%emt 0:06:10]} Be7 {[%emt 0:01:57]} 25. h5 {[%emt 0:03:56]} Rxd4 {[%emt 0:00:36]} 26. Qxd4 {[%emt 0:00:05]} Rd8 {[%emt 0:01:13]} (26... Qc2 $5 {[%cal Rb8d8]} 27. h6 Bc5 $11) 27. Qa4 {[%emt 0:00:12]} Rxd1+ {[%emt 0:04:01]} 28. Qxd1 {[%emt 0:00:03][%mdl 4096] Endgame KQB-KQB} Bg5 {[%emt 0:00:51]} 29. Qe2 {[%emt 0:08:57]} Qd7 {[%emt 0:02:50]} 30. hxg6 {[%emt 0:00:33] The position is equal.} hxg6 {[%emt 0:00:06]} 31. b3 {[%emt 0:03:49]} b5 {[%emt 0:06:58]} 32. Kh2 {[%emt 0:01:47]} Qd5 {[%emt 0:01:09]} 33. Qc2 {[%emt 0:01:16]} Kg7 {[%emt 0:04:04]} 34. Qc7 {[%emt 0:01:06]} Qd4 {[%emt 0:01:27]} 35. Qa5 {[%emt 0:04:13]} Bf4 {[%emt 0:04:22]} 36. Bxf4 $1 {[%emt 0:06:13]} Qxf4+ {[%emt 0:00:04] KQ-KQ} 37. Kg1 {[%emt 0:00:11]} Qxe5 {[%emt 0:04:27]} 38. Qxa7 {[%emt 0:00:15]} b4 {[%emt 0:00:49]} 39. g3 {[%emt 0:01:04]} Qd6 {[%emt 0:01:29]} 40. Kg2 {[%emt 0:01:44]} e5 {[%emt 0:00:57]} 41. Qb7 {[%emt 0:31:25]} Qd4 {[%emt 0:32:42]} 42. Qc6 {[%emt 0:00:00]} e4 {[%emt 0:00:00]} 43. Qc2 {[%emt 0:00:00]} e3 {[%emt 0:00:00]} 44. fxe3 $1 {[%emt 0:00:00]} Qxe3 {[%emt 0:00:00]} 45. Qb2+ {[%emt 0:00:00]} Qc3 {[%emt 0:00:00]} 46. Qe2 {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 47. Qf2+ {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 48. Qe2+ {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 49. Qd1+ {[%emt 0:00:00]} Ke5 {[%emt 0:00:00]} 50. Qd8 {[%emt 0:00:00]} Qc6+ {[%emt 0:00:00]} 51. Kh2 {[%emt 0:00:00]} Qc2+ {[%emt 0:00:00]} 52. Kh3 {[%emt 0:00:00]} Qf5+ {[%emt 0:00:00]} (52... Qxa2 53. Qe7+ Kf5 54. Qxf7+ (54. Qxb4 Qf2 $11) 54... Ke5 55. Qe7+ (55. Qxg6 Qxb3 56. Qg5+ Kd4 $17) 55... Kd5 56. Qd7+ (56. Qxb4 Qb1 $16) 56... Ke5 57. Qg7+ Kd5 58. Qd7+ (58. Qxg6 Qe2 $16) 58... Ke5 59. Qe7+ Kd5 60. Qxb4 $16) 53. Kh2 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:00]} 54. Kh3 {[%emt 0:00:00]} Qf1+ {[%emt 0:00:00]} ({Much less strong is} 54... Qxa2 55. Qe7+ Kf5 56. Qxf7+ (56. Qxb4 Ke6 $11) 56... Ke5 57. Qe7+ (57. Qxg6 Qxb3 58. Qg7+ Ke4 $17) 57... Kd5 58. Qxb4 $16) 55. Kh2 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:00]} 56. Kh3 {[%emt 0:00:00]} Qf1+ {[%emt 0:03:30]} ({Don't take} 56... Qxa2 57. Qe7+ Kf5 58. Qxf7+ (58. Qxb4 Qe2 $11) 58... Ke5 59. Qe7+ (59. Qxg6 Qxb3 60. Qg5+ Ke4 $17) 59... Kd5 60. Qxb4 $16) 57. Kh2 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:59]} 58. Kh3 {An even fight not without its subleties.   Weighted Error Value: White=0.06 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.9"]
[White "Davidek, Zdenek"]
[Black "Hozda, Max"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1957"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,29,58,75,72,83,83,85,85,93,83,105,98,118,125,123,116,328,330,321,320,423,451]} 1. d4 {[%emt 0:00:02]} f5 {[%emt 0:01:11]} 2. Bg5 {[%emt 0:00:22]} Nf6 {[%emt 0:01:03]} 3. Bxf6 {[%emt 0:01:23]} exf6 {[%emt 0:00:23]} 4. c4 {[%emt 0:00:22]} b6 {[%emt 0:06:39]} 5. Nc3 {[%emt 0:02:53]} Bb7 {[%emt 0:01:01]} 6. e3 {[%emt 0:02:45] A80: Dutch Defence: Unusual White second moves.} g6 {[%emt 0:09:58] [#]} 7. h4 $146 {[%emt 0:03:21]} ({Predecessor:} 7. Nf3 Qe7 8. Be2 Bh6 9. O-O O-O 10. Re1 Nc6 11. Qd2 Nd8 12. Rad1 Nf7 13. d5 {½-½ Navickaite,S (1705)-Grzelachowska,G (1969) Radviliskis op 2009 (3)}) 7... h5 {[%emt 0:03:36]} 8. Qc2 {[%emt 0:09:11] White is better.} Kf7 {[%emt 0:02:40]} 9. O-O-O {[%emt 0:02:02]} Kg7 {[%emt 0:03:16]} 10. Bd3 {[%emt 0:12:04]} Na6 {[%emt 0:04:35] [#]} 11. a3 $1 {[%emt 0:00:54] Prevents Nb4.} c6 {[%emt 0:01:00]} ({And not} 11... Bxg2 12. Rh2 Bb7 13. d5) 12. Nge2 {[%emt 0:01:59][%cal Og2g4] g4! would be deadly. White is more active.} Nc7 $2 {[%emt 0:03:05] [#]} (12... Rh6 $16 {was worth a try.}) 13. g4 $1 $18 {[%emt 0:09:58][%mdl 512]} fxg4 {[%emt 0:06:52]} (13... hxg4 $2 14. h5 g5 15. Ng3 $18) 14. Bxg6 {[%emt 0:00:28]} Ne6 {[%emt 0:02:54]} 15. Ng3 {[%emt 0:03:59] Weighted Error Value: White=0.01 (flawless) /Black=0.41} ({Not} 15. Qf5 Kg8 16. Ne4 (16. Bxh5 Ng7 $14) 16... Be7 17. Bxh5 Ng7 18. Qxg4 f5 $18) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.10"]
[White "Mohapl, Tomas"]
[Black "Zezula, Jakub"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1946"]
[BlackElo "1963"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 19,73,0,0,0,0,0,30,9,14,20,18,0,0,-24,-18,-43,-22,-23,-13,-19,0,-15,6,8,18,23,22,15,30,26,14,30,28,4,30,18,22,0,25,20,17,0,0,0,0,0,0,-11,-12,-11,0,0,0,-16,-10,-16]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:27]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:04]} a6 {[%emt 0:00:05]} 4. Ba4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:12]} 5. O-O {[%emt 0:00:34]} b5 {[%emt 0:00:11]} 6. Bb3 {[%emt 0:00:06]} Bc5 {[%emt 0:00:08]} 7. c3 {[%emt 0:04:45]} d6 {[%emt 0:00:13]} 8. d4 {[%emt 0:01:15]} Bb6 {[%emt 0:00:27]} 9. h3 {[%emt 0:14:01]} Bb7 {[%emt 0:01:03]} 10. Re1 {[%emt 0:05:42]} O-O {[%emt 0:02:53]} 11. Bg5 {[%emt 0:01:13] C78: Ruy Lopez: Archangelsk and Möller Defences.} h6 {[%emt 0:00:54]} 12. Bh4 {[%emt 0:01:32]} Re8 {[%emt 0:05:44]} 13. d5 {[%emt 0:14:00] White has an edge.} Nb8 {[%emt 0:00:40][%cal Bc6b8,Bb8d7,Bd7f8,Bf8g6][%mdl 32]} 14. Nbd2 {[%emt 0:01:54][%cal Bb1d2,Bd2f1,Bf1g3,Bg3h5][%mdl 32]} Nbd7 {[%emt 0:03:33]} 15. Nf1 {[%emt 0:01:12]} Nf8 {[%emt 0:02:56] [#]} 16. Bxf6 $146 {[%emt 0:03:41]} ({Predecessor:} 16. N3d2 g5 17. Bg3 Ng6 18. Ne3 Kh7 19. Nf5 Rg8 20. Bc2 Ne7 21. Ne3 Qd7 22. Ndf1 {1-0 Hu,Y (1995)-Meng,W (1472) CHN-chB (Women) 2019 (1)}) 16... Qxf6 {[%emt 0:00:17]} 17. Ng3 {[%emt 0:00:15]} Ng6 {[%emt 0:02:22]} 18. Nh5 {[%emt 0:04:08] Prevents Nf4} Qe7 {[%emt 0:05:06]} 19. a4 {[%emt 0:04:35]} c6 {[%emt 0:13:03]} 20. Qd3 {[%emt 0:05:43]} Nh4 {[%emt 0:11:01]} (20... Bc5 {is more complex.} 21. axb5 axb5 22. dxc6 Bxc6 23. Rxa8 Rxa8 24. Bd5 Qb7) 21. dxc6 {[%emt 0:09:43]} Bxc6 {[%emt 0:02:07]} (21... Nxf3+ {simplifies} 22. Qxf3 Bxc6 23. Ng3 g6) 22. Nxh4 {[%emt 0:04:28]} Qxh4 {[%emt 0:05:55]} 23. Ng3 {[%emt 0:01:01]} bxa4 {[%emt 0:07:31]} 24. Bxa4 {[%emt 0:02:55]} Bxa4 {[%emt 0:01:32]} 25. Rxa4 {[%emt 0:00:07]} d5 {[%emt 0:03:31]} 26. b3 {[%emt 0:01:56]} dxe4 {[%emt 0:03:35]} 27. Raxe4 {[%emt 0:02:40]} Qf6 {[%emt 0:00:49]} 28. Qe2 {[%emt 0:06:05][%cal Og3h5]} a5 {[%emt 0:05:57]} 29. Nh5 {[%emt 0:01:47]} Qd6 {[%emt 0:12:30] The position is equal.} 30. Rxe5 {[%emt 0:01:36]} (30. Qf3 {looks sharper.} Ra7 31. Rg4 f5 32. Qxf5 Rf8 33. Qxe5 Bxf2+ 34. Kh2) 30... Rxe5 {[%emt 0:00:18]} 31. Qxe5 {[%emt 0:00:05]} Qxe5 {[%emt 0:01:58]} 32. Rxe5 $11 {[%emt 0:00:05] KRB-KRN} Rd8 {[%emt 0:00:08] [#] Threatens to win with ...Rd1+.} 33. Re2 {[%emt 0:07:33]} Rd1+ {[%emt 0:01:17][%mdl 1024] Black has compensation.} 34. Kh2 {[%emt 0:00:02]} Rd3 {[%emt 0:01:12]} 35. Rc2 {[%emt 0:00:42]} ({Don't play} 35. Re8+ Kh7 36. b4 a4 $15) 35... Bc7+ {[%emt 0:00:54]} 36. Ng3 {[%emt 0:00:51]} Be5 {[%emt 0:01:28]} 37. b4 {[%emt 0:00:22] An interesting draw.   Weighted Error Value: White=0.09 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.11"]
[White "Kubin, Tomas Daniel"]
[Black "Sigut, Ondrej"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1936"]
[BlackElo "1804"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,105,81,51,61,47,70,39,64,70,70,59,148,30,145,29,31,29,34,31,55,43,52,53,73,54,41,19,19,20,22,21,22,-125,140,-8,0,0,10,10,10,10,10,10,10,10,9,6,6,0,0,0,0,0,0,0,0,-8,0,0,0,-34,0,-8,0,0,0,-8,0,-8,0,-8,-8,-17,0,0,0,0,0,0,0,-8,0,-7,-7,-6,0,-4]} 1. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:03]} 2. d4 {[%emt 0:00:33]} Nf6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:01:35]} e5 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:06:22]} exd4 {[%emt 0:00:17]} 5. Nxd4 {[%emt 0:00:20]} g6 {[%emt 0:00:10]} 6. f3 {[%emt 0:04:32]} Bg7 {[%emt 0:00:31]} 7. Be3 {[%emt 0:01:32]} O-O {[%emt 0:00:38]} 8. Qd2 {[%emt 0:00:47]} Nc6 {[%emt 0:00:23]} 9. O-O-O {[%emt 0:00:41]} Nxd4 {[%emt 0:00:40]} 10. Bxd4 {[%emt 0:00:42]} Be6 {[%emt 0:00:58]} 11. Be3 {[%emt 0:03:56]} a6 {[%emt 0:01:52] C41: Philidor Defence.} 12. Bh6 {[%emt 0:07:54]} b5 {[%emt 0:01:28] [#]} 13. Kb1 $146 {[%emt 0:01:59]} ({Predecessor:} 13. h4 Nh5 14. g4 Ng3 15. Rh3 Nxf1 16. Rxf1 f6 17. h5 g5 18. Bxg7 Kxg7 19. Rd1 {½-½ Danada,O (1895)-Janos,J (2215) Bratislava Doprastav op 2010 (5)}) 13... b4 {[%emt 0:04:24] White is slightly better.} 14. Ne2 {[%emt 0:01:42]} a5 {[%emt 0:08:13]} 15. h4 {[%emt 0:07:41][%cal Oh4h5]} a4 {[%emt 0:12:36]} (15... Bxh6 $14 16. Qxh6 Nd7) 16. g4 {[%emt 0:08:35]} ({White should play} 16. Bxg7 $16 Kxg7 17. Qxb4) 16... Qe7 {[%emt 0:17:37]} (16... Bxh6 $11 {remains equal.} 17. Qxh6 b3) 17. h5 {[%emt 0:05:21]} ({Only move:} 17. Bxg7 $16 Kxg7 18. Qxb4) 17... Bxa2+ $11 {[%emt 0:12:04][%mdl 64] Decoy} 18. Kxa2 {[%emt 0:12:58] And now Bxg7 would win.} b3+ {[%emt 0:00:44]} 19. Kb1 {[%emt 0:08:08]} (19. cxb3 $2 Nxe4 20. Qd3 (20. fxe4 $2 axb3+ 21. Kxb3 Rfb8+ {[%mdl 64] Skewer} 22. Kc4 Qxe4+ $19) 20... Nf2 $19) 19... bxc2+ {[%emt 0:03:03]} 20. Qxc2 {[%emt 0:03:07]} Bxh6 {[%emt 0:04:54]} 21. hxg6 {[%emt 0:00:23][%mdl 64] Discovered Attack} (21. Nd4 $5 {[%cal Rh5g6]} Bf4 22. hxg6 hxg6 23. Bc4 $11) 21... Bg7 $1 {[%emt 0:01:19] Hoping for ...a3.} 22. gxf7+ {[%emt 0:02:22]} (22. g5 hxg6 23. gxf6 Qxf6 $17) (22. Nd4 {is interesting.} fxg6 23. Nc6 Qe8 24. e5) 22... Rxf7 {[%emt 0:03:37]} 23. Nd4 {[%emt 0:02:27]} (23. Ng3 {is more complex.} a3 24. Nf5 Qe5 25. Bc4) 23... a3 $1 {[%emt 0:06:49] Black is weak on the light squares} 24. Nc6 {[%emt 0:06:56]} (24. Bc4 d5 25. Nf5 (25. Bxd5 Nxd5 26. exd5 h6 $17) (25. exd5 axb2 26. Qd3 Qe5 $14) 25... Qe5 26. Bxd5 (26. exd5 axb2 27. Qd3 Ra1+ 28. Kc2 Kh8 $14) 26... Nxd5 27. Rxd5 Qxb2+ 28. Qxb2 axb2) (24. Bc4 {feels hotter.} axb2 25. Nc6 Qe8 26. e5) 24... Qe8 {[%emt 0:03:16] [#]} 25. e5 $1 {[%emt 0:02:24]} axb2 $1 {[%emt 0:01:57]} 26. Kxb2 {[%emt 0:04:24] [#]} (26. exf6 $2 Bxf6 $19) (26. Bc4 $11 {keeps the balance.} Kf8 27. Nd4 (27. Bxf7 Qxf7 28. Qxb2 Nd7 $11)) 26... Bh8 $2 {[%emt 0:05:49][%mdl 8192]} 27. g5 {[%emt 0:00:53] White has more active pieces.} (27. exf6 Bxf6+ 28. Kb3 (28. Kc1 Qe3+ 29. Qd2 Ra1+ 30. Kc2 Ra2+ 31. Kc1 Qa3+ 32. Kb1 Qb3+ 33. Kc1 Ra1#) 28... Qe3+ 29. Bd3 Qb6+ 30. Nb4 c5 31. Bxh7+ Kf8 $17) (27. Bc4 $1 $16 {[%cal Og4g5] Strongly threatening g5!} d5 28. Bxd5 Nxd5 29. Rxd5) 27... Nd7 {[%emt 0:03:02]} (27... Qe6 $2 28. Bc4 (28. gxf6 $2 Ra2+ 29. Kc3 Rxc2+ 30. Kxc2 Qa2+ 31. Kc1 Qa1+ 32. Kd2 Qb2+ 33. Ke3 Qb6+ 34. Kd2 Qxc6 $19) 28... d5 29. Bb3 $18 (29. gxf6 dxc4 30. Qe4 Bxf6 $18)) (27... Ng4 $5 28. Bc4 $8 (28. fxg4 $2 Bxe5+ 29. Kb3 Rf3+ 30. Rd3 Qe6+ 31. Qc4 Ra3+ {[%mdl 64] Deflection} 32. Kxa3 Qxc4 $19) 28... Bxe5+ 29. Rd4 (29. Kc1 $2 Kf8 $19) 29... Bxd4+ 30. Nxd4 Kh8 31. fxg4 Rb8+ 32. Nb3 Qe5+ 33. Kc1 Qxg5+ 34. Nd2 Re7 $15) 28. Bc4 $1 {[%emt 0:00:50][%csl LRf7,LRh7]} Bxe5+ {[%emt 0:01:40]} 29. Nxe5 {[%emt 0:01:27]} ({Don't go for} 29. Kc1 $2 Ra1+ 30. Kd2 Bf4+ 31. Kc3 Qe3+ 32. Bd3 Be5+ 33. Nxe5 Qxe5+ 34. Kd2 Qf4+ 35. Ke1 Qxf3 $19) 29... Qxe5+ {[%emt 0:00:23]} 30. Qc3 {[%emt 0:00:26] Dancing on a razor blade.} Qxc3+ {[%emt 0:01:09][%mdl 64] Remove Defender} ({Much less strong is} 30... Rb8+ 31. Kc2 Qf5+ 32. Bd3 $16 (32. Qd3 Kh8 $16)) 31. Kxc3 {[%emt 0:00:04]} Ra3+ {[%emt 0:00:26]} 32. Kb4 {[%emt 0:01:03]} Raxf3 {[%emt 0:00:19]} 33. Bxf7+ {[%emt 0:00:56]} Rxf7 {[%emt 0:00:04][%mdl 4096] Endgame KRR-KRN} 34. Rd5 {[%emt 0:02:08]} Ne5 {[%emt 0:01:34]} 35. Rc1 {[%emt 0:00:57]} Kg7 {[%emt 0:01:17]} 36. Rg1 {[%emt 0:01:21]} Kg6 {[%emt 0:00:34]} 37. Rdd1 {[%emt 0:00:55]} Rf5 {[%emt 0:01:11]} 38. Kb3 {[%emt 0:00:28]} Nf3 {[%emt 0:01:22]} 39. Rg2 {[%emt 0:00:23]} Nxg5 {[%emt 0:00:18]} 40. Rc2 {[%emt 0:00:09]} Rf7 {[%emt 0:00:32]} 41. Rdc1 {[%emt 0:30:24] The position is equal.} c5 {[%emt 0:30:57]} 42. Rd1 {[%emt 0:00:34]} Rf6 {[%emt 0:00:19]} 43. Rcd2 {[%emt 0:00:00]} Ne4 {[%emt 0:00:00]} 44. Re2 {[%emt 0:00:00]} Re6 {[%emt 0:00:00]} 45. Rd5 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 46. Rh2 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 47. Rdh5 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 48. Kc4 {[%emt 0:00:00]} Rg6 {[%emt 0:00:00]} 49. R5h4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 50. Ra2 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00]} 51. Rh5 {[%emt 0:00:00]} Ne3+ {[%emt 0:00:00]} 52. Kd3 {[%emt 0:00:00]} Ng4 {[%emt 0:00:00]} 53. Ke4 {An interesting game.   Weighted Error Value: White=0.25 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.18"]
[Round "9.12"]
[White "Mrazek, Adam"]
[Black "Tesar, Jakub"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1745"]
[BlackElo "1960"]
[Annotator "NA RC"]
[PlyCount "1"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. c4 1-0

