[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.1"]
[White "Janous, Marek"]
[Black "Zezula, Jakub"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2124"]
[BlackElo "1963"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,123,0,0,-11,0,11,20,24,74,81,74,77,80,87,87,68,86,77,44,42,66,73,80,21,15,6,9,5,5,8,9,9,18,8,8,14,41,27,46,12,14,19,37,30,116,75,110,53,64,29,26,11,8,0,81,62,81,76,316,72,56,25,150,145,431,412,501,501,403,100,107,107,107,107,107,107,137,0,0,0,582,422,1131,819,602,0,0,0,0,0,0,0,0,0,0,0,0,0,12848,12847,27999,27999,27999,27999,27999,27999,27999,27999]} 1. e4 {[%emt 0:00:07]} e5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:38]} Nf6 {[%emt 0:00:43]} 4. d4 {[%emt 0:00:17]} exd4 {[%emt 0:01:03]} 5. Nxd4 {[%emt 0:00:24]} Bb4 {[%emt 0:01:09]} 6. Nxc6 {[%emt 0:00:20]} bxc6 {[%emt 0:00:29]} 7. Bd3 {[%emt 0:00:08]} d5 {[%emt 0:01:31]} 8. exd5 {[%emt 0:00:11]} cxd5 {[%emt 0:02:58]} 9. O-O {[%emt 0:00:08]} O-O {[%emt 0:02:08]} 10. h3 {[%emt 0:00:13] Prevents Bg4. C47: Scotch Four Knights and Four Knights with 4 g3.} h6 {[%emt 0:09:27]} 11. Qf3 {[%emt 0:00:34]} Bd6 {[%emt 0:02:00]} 12. Nb5 {[%emt 0:05:25] [#] The position is equal.} (12. Nxd5 $2 Nxd5 13. Qe4 (13. Qxd5 $2 Bh2+ {[%mdl 64] Discovered Attack} 14. Kxh2 Qxd5 $19) 13... g6 14. Bxh6 (14. Qxd5 $2 Bh2+ {[%mdl 64] Discovered Attack} 15. Kxh2 Qxd5 $19) 14... Re8 $19) 12... Ba6 $146 {[%emt 0:09:40]} (12... Bc5 $11) ({Predecessor:} 12... Bc5) 13. Nxd6 $16 {[%emt 0:06:17]} Qxd6 {[%emt 0:01:01]} 14. Bf4 {[%emt 0:00:54]} Qc6 {[%emt 0:07:06]} 15. Bxa6 {[%emt 0:02:48]} Qxa6 {[%emt 0:02:40]} 16. Bxc7 {[%emt 0:01:04]} Rac8 {[%emt 0:01:21]} 17. Be5 {[%emt 0:00:31]} Rxc2 {[%emt 0:05:27]} 18. Qd1 {[%emt 0:09:05]} (18. Rad1 {feels hotter.} Ne4 19. Qg4 f6 20. Bd4) 18... Rfc8 {[%emt 0:15:38]} 19. Bc3 {[%emt 0:02:05]} Qe2 {[%emt 0:00:44] [#]} 20. Qxe2 {[%emt 0:00:06]} ({White should play} 20. Qd4 $1 $16) 20... Rxe2 $11 {[%emt 0:00:06]} 21. Rfe1 {[%emt 0:03:28]} Rxe1+ {[%emt 0:03:17]} 22. Rxe1 {[%emt 0:00:35][%mdl 4096] Endgame KRB-KRN} Ne4 $1 {[%emt 0:00:35]} 23. Bd4 {[%emt 0:01:20]} a6 {[%emt 0:03:30]} 24. f3 {[%emt 0:05:21]} Ng3 {[%emt 0:05:53]} 25. Be5 {[%emt 0:00:53]} Nf5 26. g4 {[%emt 0:00:41]} Nh4 {[%emt 0:03:09]} (26... f6 $5 27. Bxf6 (27. gxf5 fxe5 28. Rxe5 d4 $11) 27... gxf6 28. gxf5 Rc2 $16) 27. Kf2 g5 {[%emt 0:01:32]} 28. Re2 {[%emt 0:08:05]} Ng6 29. Bg3 {[%emt 0:02:29]} Kg7 {[%emt 0:02:22]} 30. Ke3 {[%emt 0:03:31]} Nf8 {[%emt 0:11:50]} (30... Rc4 $11) 31. Kd4 {[%emt 0:08:37]} Rd8 {[%emt 0:02:14]} 32. Be5+ {[%emt 0:03:35]} (32. Kc5 $16) 32... f6 $14 {[%emt 0:03:26]} 33. Bg3 {[%emt 0:00:21]} (33. Bc7 $5 Rd7 $8 34. Bg3 $14) 33... Kf7 {[%emt 0:00:07] Repels Re7+} 34. Rc2 {[%emt 0:01:01]} Ne6+ {[%emt 0:00:26]} 35. Kd3 {[%emt 0:00:16]} Rd7 {[%emt 0:02:22]} (35... h5 $11 {remains equal.}) 36. Rc6 $16 {[%emt 0:02:12][%cal Ob2b4]} Rb7 {[%emt 0:00:41]} 37. b3 {[%emt 0:01:04][%cal Bb2b3,Bb3b4][%mdl 32]} (37. Rxa6 $2 Nc5+ 38. Kc2 Nxa6 $19) 37... Ke7 $2 {[%emt 0:00:55]} (37... a5 $16) 38. Rc8 $2 {[%emt 0:01:10]} (38. Rxa6 $2 Nc5+ 39. Kc3 Nxa6 $19) (38. Bd6+ $18 {and the rest is easy.} Kf7 39. Rxa6) 38... Kf7 {[%emt 0:00:59]} 39. Rb8 {[%emt 0:06:13]} Rd7 {[%emt 0:00:37]} (39... Rxb8 $11 {keeps the balance.} 40. Bxb8 Nd8) 40. b4 {[%emt 0:00:51]} Kg6 $2 {[%emt 0:00:32][%mdl 8192]} (40... Re7 $16) 41. Rb6 $18 {[%emt 0:30:30][%csl LRa6,LRe6]} Nf4+ {[%emt 0:04:32]} 42. Bxf4 {[%emt 0:00:00]} gxf4 {[%emt 0:00:28] KR-KR} 43. h4 $2 {[%emt 0:00:00]} (43. Rxa6 Rb7 44. Kc3 Rc7+ 45. Kd2 Rb7 $18) (43. Kd4 $18 {is more deadly.}) 43... Re7 $16 {[%emt 0:00:47]} 44. Rxa6 {[%emt 0:00:00]} Re3+ {[%emt 0:00:38]} 45. Kd4 {[%emt 0:00:00] Black must now prevent b5. White is more active.} Rxf3 {[%emt 0:00:15]} 46. b5 $1 {[%emt 0:00:00][%cal Ob5b6]} Rf1 {[%emt 0:02:58] [#]} 47. Ra3 {[%emt 0:00:00]} (47. Ra4 $1 $16 f3 48. Ke3 (48. Kxd5 $2 Rd1+ 49. Kc5 f2 $19)) 47... f3 $1 $11 {[%emt 0:02:20]} 48. Rb3 {[%emt 0:00:00]} f2 $2 {[%emt 0:02:21][%mdl 8192]} (48... h5 $1 $11 {and Black is okay.} 49. gxh5+ (49. Kxd5 hxg4 50. b6 Rd1+ 51. Kc5 f2 $19) 49... Kxh5) 49. Ke3 {[%emt 0:00:00] b6 would be deadly.} (49. Kxd5 Rd1+ 50. Kc5 f1=Q 51. h5+ Kg5 52. Rc3 Qf2+ 53. Kc6 Qd4 54. Rc5+ Kxg4 55. Rc2 Qe4+ 56. Kc5 Qxc2+ 57. Kb4 Rb1+ 58. Ka5 Qc5 59. Ka6 Qxb5+ 60. Ka7 Qb7#) 49... Ra1 {[%emt 0:00:51]} (49... d4+ $142 50. Ke2 {[%mdl 64] Deflection} (50. Kxd4 Rd1+ 51. Rd3 Rxd3+ 52. Kxd3 f1=Q+) 50... Ra1 51. Kxf2 Rxa2+ 52. Kf3 d3) 50. Kxf2 $18 {[%emt 0:00:00] Threatens to win with b6.} Rxa2+ {[%emt 0:00:47]} 51. Ke3 $2 {[%emt 0:00:00]} (51. Kf3 $18 {And now b6 would win.} Ra7 52. b6) 51... h5 $1 $11 {[%emt 0:05:34]} 52. b6 {[%emt 0:00:00]} Ra8 $1 {[%emt 0:00:15]} 53. b7 {[%emt 0:00:00]} Rb8 {[%emt 0:00:02]} 54. Kf4 {[%emt 0:21:03]} hxg4 {[%emt 0:01:00]} 55. Kxg4 {[%emt 0:00:11] h5+ is the strong threat.} d4 {[%emt 0:03:07]} 56. Rb5 {[%emt 0:00:22]} f5+ {[%emt 0:09:08]} 57. Kf4 {[%emt 0:02:00]} Kh5 $2 {[%emt 0:00:34][%mdl 8192]} (57... Kg7 $11 58. Rb6 (58. Kxf5 d3 $11) 58... Kf7) 58. Rxf5+ {[%emt 0:00:15]} Kxh4 {[%emt 0:00:02]} 59. Rb5 {[%emt 0:00:17] White mates.} d3 {[%emt 0:00:35]} 60. Ke3 {[%emt 0:00:09]} d2 {[%emt 0:00:14]} 61. Kxd2 {[%emt 0:00:13]} Kg4 {[%emt 0:00:04]} 62. Ke3 {[%emt 0:00:35] Weighted Error Value: White=0.39/Black=0.42} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.2"]
[White "Tesar, Jakub"]
[Black "Dolensky, Filip"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1960"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 19,98,26,25,8,17,0,0,0,21,0,0,0,9,6,33,19,54,48,136,61,129,37,36,25,77,46,54,60,41,54,43,28,104,69,72,82,135,130,147,113,250,52,50,27,32,0,49,-22,-18,-16,-16,-18,-45,-61,8,8,243,250,240,182,188,175,196,190,193,192,178,163,190,183,199,202,306,155,146,137,329,228,217,191,170]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:49]} 2. c3 {[%emt 0:00:14]} d5 {[%emt 0:02:43]} 3. exd5 {[%emt 0:00:16]} Qxd5 {[%emt 0:00:18]} 4. d4 {[%emt 0:00:14]} Nf6 {[%emt 0:01:03]} 5. Nf3 {[%emt 0:00:13]} e6 {[%emt 0:02:32]} 6. Be3 {[%emt 0:01:02]} cxd4 {[%emt 0:00:53]} 7. cxd4 {[%emt 0:02:40]} Nc6 {[%emt 0:01:30]} 8. Nc3 {[%emt 0:03:04]} Qa5 {[%emt 0:04:31]} 9. Be2 {[%emt 0:06:07]} Be7 {[%emt 0:05:42]} 10. O-O {[%emt 0:00:59]} O-O {[%emt 0:01:50]} 11. Qb3 {[%emt 0:04:10] B22: Sicilian: 2 c3.} Rd8 {[%emt 0:10:19]} 12. Rfd1 {[%emt 0:04:28] [#]} Nd5 $146 {[%emt 0:27:00]} ({Predecessor:} 12... Qb4 13. Qc2 a6 14. a3 Qd6 15. Ng5 h6 16. Nge4 Nxe4 17. Nxe4 Qc7 18. Rac1 Bd7 {1-0 Berend,E (2326)-Arakhamia Grant,K (2380) Speed Chess (Women) Q2 blitz 2021 (8)}) 13. Bd2 {[%emt 0:06:30] The position is equal.} Qc7 {[%emt 0:04:16]} 14. Nxd5 {[%emt 0:18:25]} exd5 {[%emt 0:03:38]} 15. Rac1 {[%emt 0:01:59][%cal Of3e5]} Qd6 {[%emt 0:04:11] Inhibits Ne5.} 16. g3 {[%emt 0:12:49]} f6 {[%emt 0:06:42]} 17. Bf1 {[%emt 0:12:55]} g5 {[%emt 0:03:37]} 18. Bg2 {[%emt 0:04:28]} Bd7 {[%emt 0:07:54]} (18... Bf8 $14) 19. a3 {[%emt 0:03:44] White is more active.} (19. Qxb7 $6 Rab8 20. Qa6 Rxb2 $11) (19. h4 $16) 19... Rab8 {[%emt 0:01:41]} ({Black should play} 19... Be8 $14) 20. Bc3 {[%emt 0:06:33]} (20. h4 $1 $16 {[%cal Rh4g5]}) 20... Bf5 {[%emt 0:02:02]} 21. Nd2 {[%emt 0:00:46]} Bg6 {[%emt 0:00:44]} (21... Qd7 $11 {keeps the balance.}) 22. Nf1 {[%emt 0:00:20]} (22. Ne4 $5 {[%cal Re4d6]} Qc7 23. Nc5 $14) 22... Bf7 {[%emt 0:01:05]} 23. Ne3 {[%emt 0:00:28]} Qd7 {[%emt 0:00:48] Inhibits Nf5.} 24. Re1 {[%emt 0:00:55]} Bf8 {[%emt 0:00:32]} 25. Bf3 {[%emt 0:01:46][%cal Bg2f3,Bf3e2,Be2d3][%mdl 32]} h5 {[%emt 0:00:19]} (25... f5 $11 {remains equal.}) 26. Qd1 {[%emt 0:01:14]} g4 {[%emt 0:01:05]} 27. Be2 {[%emt 0:00:22][%cal Oh2h3]} f5 {[%emt 0:02:10]} (27... Bg6 $142) 28. Bd3 $16 {[%emt 0:01:21]} Be6 {[%emt 0:00:10]} 29. Qc2 {[%emt 0:00:33][%cal Re3f5]} Bh6 {[%emt 0:00:07]} (29... f4 $16) 30. Rcd1 $2 {[%emt 0:00:29]} (30. Bxf5 Bxf5 31. Nxf5 Bxc1 32. Rxc1 Qh7 $17) (30. Nxf5 $1 $18 Bg5 31. h4) 30... Rf8 $14 {[%emt 0:00:24]} 31. b4 {[%emt 0:01:10]} Rbc8 {[%emt 0:01:16][%cal Oc6d4]} 32. Qb3 {[%emt 0:01:45]} f4 {[%emt 0:01:08]} (32... Nd8 $11) 33. Nf1 (33. Ng2 $1 $14) 33... fxg3 {[%emt 0:01:13]} 34. hxg3 {[%emt 0:00:53]} Qf7 {[%emt 0:00:25]} (34... a6 {simplifies} 35. a4 Ne7 36. b5 axb5 37. Bxb5 Nc6) 35. Re2 {[%emt 0:00:38] [#]} h4 $1 {[%emt 0:00:30][%cal Oc6e5]} 36. b5 {[%emt 0:01:10] [#]} (36. gxh4 g3 37. Nxg3 (37. fxg3 Bg4 $17 {[%mdl 64] Skewer}) 37... Bg4 $17) (36. Qb2 Ne7) 36... h3 {[%emt 0:00:30]} 37. Nh2 $11 {[%emt 0:01:39]} (37. bxc6 $2 {perishes.} Qf3 $19) 37... Nb8 {[%emt 0:01:24]} (37... Ne5 $1 $11 {and Black stays safe.} 38. dxe5 (38. Rxe5 $2 {leads to mate.} Qxf2+ 39. Kh1 Qg2#) 38... d4) 38. Bb4 $18 {[%emt 0:00:47]} Rfe8 {[%emt 0:00:05]} 39. Rde1 {[%emt 0:01:06] aiming for Qb1.} Nd7 {[%emt 0:00:52] [#]} 40. Qb1 $1 $36 {[%emt 0:00:58][%mdl 2048] Black must now prevent Bg6. White is really pushing.} Kg7 {[%emt 0:01:39] [#] Repels Bg6} 41. Bg6 $1 {[%emt 0:14:12][%mdl 576] Decoy} Qxg6 {[%emt 0:01:49]} 42. Qxg6+ {[%emt 0:00:07][%mdl 64] Remove Defender} Kxg6 {[%emt 0:00:05]} 43. Rxe6+ {[%emt 0:00:05]} Rxe6 {[%emt 0:01:48]} 44. Rxe6+ {[%emt 0:00:06]} Kh5 {[%emt 0:06:21] ...Rc1+ is the strong threat.} 45. Nxg4 $1 {[%emt 0:02:40][%mdl 64] Deflection} Bg5 {[%emt 0:09:37]} (45... Bd2 {was necessary.}) 46. Ne3 {[%emt 0:01:40]} ({White should try} 46. Ne5 $18 Nxe5 47. Rxe5) 46... Bxe3 $16 {[%emt 0:06:36]} 47. Rxe3 {[%emt 0:00:20] Kh2 would be deadly.} Rc4 $2 {[%emt 0:02:00]} (47... Nf6 $16 {was worth a try.}) 48. Re7 {[%emt 0:12:12]} Nf6 {[%emt 0:00:27]} 49. f3 {[%emt 0:01:08] Repels Ne4. And now Kh2 would win.} Rc2 {[%emt 0:00:07] Weighted Error Value: White=0.32/Black=0.36} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.3"]
[White "Werner, Hong Quan Dan"]
[Black "Davidek, Zdenek"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2085"]
[BlackElo "1957"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,110,11,5,47,0,22,0,4,0,0,0,0,0,0,0,9,1,11,-2,15,0,0,0,0,-2,0,-4,0,0,0,0,0,0,0,0,0,-10,0,-29,16,14,71,66,73,0,8,0,-7,-13,36,0,118,87,111,115,378,221,397,402,408,206,277,263,263,256,281,272,309,303,304,210,213,200,222,196,202,0,0,0,0,0,0,0,0,-228,-215,-224,-184,-205,0,0,0,0,0,0,0,0,11]} 1. e4 {[%emt 0:00:13]} e5 {[%emt 0:00:20]} 2. Nf3 {[%emt 0:00:20]} Nc6 {[%emt 0:00:10]} 3. Bc4 {[%emt 0:01:38]} Nf6 {[%emt 0:01:04]} 4. d3 {[%emt 0:00:12]} Bc5 {[%emt 0:00:17]} 5. c3 {[%emt 0:00:50]} O-O {[%emt 0:02:38]} 6. O-O {[%emt 0:01:44]} d6 {[%emt 0:05:49]} 7. Bb3 {[%emt 0:00:30] 7.Bb3 has lost popularity.} h6 {[%emt 0:01:10]} 8. Nbd2 {[%emt 0:00:21]} Be6 {[%emt 0:01:42] C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Re1 {[%emt 0:02:40]} (9. Bxe6 $14 fxe6 10. b4) 9... Re8 {[%emt 0:06:48]} 10. Nf1 {[%emt 0:04:39]} d5 {[%emt 0:09:02]} 11. Qc2 {[%emt 0:09:57]} Qd7 {[%emt 0:10:35]} 12. Be3 {[%emt 0:11:18] [#]} Bf8 $146 {[%emt 0:07:07]} ({Predecessor:} 12... Bb6 13. h3 Rad8 14. Ba4 Qd6 15. Rad1 Re7 16. Bxc6 bxc6 17. d4 Nxe4 18. dxe5 Qd7 19. Bxb6 axb6 20. Rxe4 {1-0 Akopian,V (2605)-Montecatine Rios,R (2345) Dos Hermanas 1992 (1)}) 13. h3 {[%emt 0:03:32]} a6 {[%emt 0:01:53]} 14. Rad1 {[%emt 0:03:57]} Rad8 {[%emt 0:03:13]} 15. Ng3 {[%emt 0:01:39]} Qc8 {[%emt 0:13:26]} 16. a3 {[%emt 0:07:39]} g6 {[%emt 0:03:32]} 17. Nh2 {[%emt 0:10:53]} Bg7 {[%emt 0:00:52]} 18. Qc1 {[%emt 0:02:56]} Kh7 {[%emt 0:03:59]} 19. f3 {[%emt 0:04:05]} Na5 {[%emt 0:08:54]} 20. Ba2 {[%emt 0:02:01]} dxe4 {[%emt 0:04:26]} 21. Bxe6 {[%emt 0:00:22]} Qxe6 {[%emt 0:00:52]} 22. fxe4 {[%emt 0:03:27]} Nb3 {[%emt 0:00:58]} 23. Qc2 {[%emt 0:00:07]} c5 {[%emt 0:02:25]} 24. Nf3 {[%emt 0:03:19]} Rd7 {[%emt 0:01:00]} 25. Nd2 {[%emt 0:10:46]} Nxd2 {[%emt 0:01:14]} 26. Rxd2 {[%emt 0:00:04]} (26. Qxd2 $5 {[%cal Re3c5]} Red8 27. Qc2 $11 (27. Bxc5 Rxd3 28. Qe2 Rxd1 $17)) 26... Qc6 {[%emt 0:01:02]} 27. c4 {[%emt 0:01:23]} Rde7 {[%emt 0:01:45]} (27... Red8 $11) 28. Ne2 {[%emt 0:01:07]} Nd7 {[%emt 0:02:42]} 29. Nc3 {[%emt 0:00:48]} (29. Rf1 $1 $16) 29... f5 $1 $11 {[%emt 0:00:11]} 30. Nd5 {[%emt 0:01:00]} Rf7 {[%emt 0:00:05]} 31. b4 {[%emt 0:03:29]} Bf8 {[%emt 0:01:51]} (31... cxb4 $11 32. axb4 Rc8) 32. g3 {[%emt 0:02:38]} (32. Rb1 {keeps more tension.} Be7 33. Qd1 fxe4 34. dxe4 cxb4 35. axb4 Qxc4 36. Qg4) 32... Bd6 {[%emt 0:00:37]} (32... f4 $11 {keeps the balance.} 33. gxf4 cxb4) 33. Rf1 {[%emt 0:00:57]} Ref8 {[%emt 0:01:29]} 34. Rdf2 {[%emt 0:00:22] White has more active pieces.} Nb8 $2 {[%emt 0:02:59][%mdl 8192]} (34... Bb8 $16) 35. Qd2 {[%emt 0:02:04]} (35. exf5 $142 gxf5 36. d4) 35... Qc8 $2 {[%emt 0:01:05]} (35... cxb4 36. axb4 f4) 36. Bxh6 $18 {[%emt 0:00:09]} Rg8 {[%emt 0:00:13]} 37. Kh2 {[%emt 0:03:17]} (37. Qg5 $142 {Strongly threatening Qh4.} Qd8 38. Qe3) 37... Nc6 {[%emt 0:00:35]} 38. Qg5 {[%emt 0:00:41]} Qd8 {[%emt 0:00:04]} 39. exf5 {[%emt 0:00:48]} Qxg5 {[%emt 0:00:23]} 40. Bxg5 {[%emt 0:00:05] And now fxg6+ would win.} gxf5 {[%emt 0:00:51]} 41. Nf6+ {[%emt 0:31:46]} (41. Rxf5 $6 Rxf5 42. Rxf5 cxb4 $18) 41... Kg6 {[%emt 0:01:16]} 42. Nxg8 {[%emt 0:00:00]} Kxg5 {[%emt 0:00:19] [#]} 43. g4 $1 {[%emt 0:00:00]} f4 {[%emt 0:02:42] [#]} 44. h4+ $1 {[%emt 0:00:00]} Kxh4 {[%emt 0:00:35] [#] ...Kg5 would be deadly.} 45. Kg1 $2 {[%emt 0:00:00]} ({Only move:} 45. g5 $1 $18 {[%cal Rg5g6]}) 45... Bf8 {[%emt 0:01:26]} 46. Rh2+ {[%emt 0:00:00]} Kg5 {[%emt 0:01:49]} ({Don't play} 46... Kxg4 47. b5 axb5 48. cxb5 $14 (48. Rg2+ $2 Kf5 $19)) 47. b5 {[%emt 0:00:00]} axb5 {[%emt 0:01:37]} (47... Nd4 48. a4 $14) 48. cxb5 {[%emt 0:00:00]} Nd4 {[%emt 0:00:05] Threatens to win with ...c4.} 49. Rh5+ $2 {[%emt 0:00:00]} (49. Kf2 $11 {and White stays safe.}) 49... Kxg4 $19 {[%emt 0:02:35]} 50. Nh6+ {[%emt 0:00:00]} Bxh6 $1 {[%emt 0:00:39]} 51. Rxh6 {[%emt 0:00:00] [#]} Nxb5 $2 {[%emt 0:01:16]} ({Black should play} 51... c4 $1 $19 {[%cal Rc4d3]} 52. dxc4 Nf3+ 53. Kg2 e4) 52. a4 {[%emt 0:00:00] The position is equal.} Nc3 {[%emt 0:05:53][%cal Of7d7]} 53. Kf2 {[%emt 0:00:00]} Nxa4 {[%emt 0:03:00]} 54. Rg1+ {[%emt 0:00:00]} Kf5 {[%emt 0:00:05]} 55. Rh5+ {[%emt 0:00:00]} ({But not} 55. Rhg6 Rf6 56. R6g5+ Ke6 $17) 55... Ke6 {[%emt 0:04:04] Quite a comeback for White.   Weighted Error Value: White=0.29 (precise) /Black=0.29 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.4"]
[White "Mohapl, Tomas"]
[Black "Paseka, Matyas"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1946"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,66,36,45,41,30,19,70,44,48,40,52,33,49,38,43,33,45,44,39,21,25,17,5,-46,32,37,36,-20,-13,-19,-19,-20,0,0,79,93,84,-110,-97,-217,-200,-226,-222,-608,-628,-816,-725,-1357,-1353,-29987,-29988,-29994,-29995,-29995,-522,-29996,-29997,-29997,-29998]} 1. d4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:19]} g6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:26]} Bg7 {[%emt 0:00:12]} 4. e4 {[%emt 0:00:45]} d6 {[%emt 0:00:07]} 5. h3 {[%emt 0:00:42]} Nbd7 {[%emt 0:00:10]} 6. Be3 {[%emt 0:04:08] E71: King's Indian: 4 e4 d6 5 h3.} e5 {[%emt 0:00:31]} 7. d5 {[%emt 0:01:09]} h5 {[%emt 0:00:09]} (7... Nc5 $11) 8. b4 {[%emt 0:17:50] [#] White is slightly better.} Bh6 $146 {[%emt 0:05:01]} ({Predecessor:} 8... a5 9. a3 h4 10. c5 Nh5 11. cxd6 cxd6 12. Nb5 O-O 13. Nf3 Ndf6 14. Nd2 Nf4 {0-1 Gharibyan,M (2479)-Ivic,V (2610) EU-ch 22nd Terme Catez 2022 (6)}) 9. Bxh6 {[%emt 0:03:11]} Rxh6 {[%emt 0:00:08]} 10. Bd3 {[%emt 0:03:05]} h4 {[%emt 0:04:19]} 11. Qc1 {[%emt 0:09:17]} Rh8 {[%emt 0:00:27]} 12. Nf3 {[%emt 0:03:13][%cal Oc4c5]} Nh5 {[%emt 0:03:14]} 13. Ne2 {[%emt 0:00:33] Inhibits Nf4.} b6 {[%emt 0:04:48]} 14. Qc3 {[%emt 0:19:04]} Qf6 {[%emt 0:10:44]} 15. Bc2 {[%emt 0:02:00]} Kf8 {[%emt 0:06:57]} 16. Ba4 {[%emt 0:03:22]} (16. O-O $11) 16... Kg7 {[%emt 0:05:08]} (16... a5 $1 $15) 17. Bc6 $36 {[%emt 0:02:23][%mdl 2048] White has good play.} Rb8 {[%emt 0:00:28][%cal Oa7a5,Ba8b8,Bb8b6,Bb6b2][%mdl 32]} 18. a4 {[%emt 0:05:27] [#]} ({White should play} 18. O-O $14) 18... a5 $1 $11 {[%emt 0:04:34][%mdl 64] Deflection} 19. bxa5 {[%emt 0:04:38]} Nc5 {[%emt 0:00:09] Inhibits a6.} (19... bxa5 $5 {[%cal Rd7c5]} 20. Bxd7 (20. Qxa5 $2 {perishes.} Nc5 $19) 20... Bxd7 $15) 20. axb6 {[%emt 0:00:51]} Rxb6 {[%emt 0:00:14] ...Rb3 would be deadly.} 21. Nd2 {[%emt 0:04:10] Inhibits Rb3.} Nf4 {[%emt 0:30:20]} (21... Qg5 $1 $11 {keeps the balance.} 22. Nf3 Qh6) 22. Nxf4 $16 {[%emt 0:02:39]} Qxf4 {[%emt 0:00:11]} 23. Qe3 {[%emt 0:10:14]} (23. O-O $16 {and life is bright.}) 23... Rb2 {[%emt 0:03:15] Black has more active pieces. The white rooks are badly placed.} 24. Bb5 {[%emt 0:01:50]} (24. Qxf4 $17 {might work better.} exf4 25. a5) 24... Qxe3+ $19 {[%emt 0:02:14]} 25. fxe3 {[%emt 0:00:06] [#]} Rh5 $1 {[%emt 0:00:10][%cal Bh8h5,Bh5g5,Bg5g3,Bg3e3][%mdl 32] aiming for ...Rg5.} 26. a5 $2 {[%emt 0:00:53]} (26. Rh2 Rh8 27. Kd1) 26... Rg5 {[%emt 0:01:16]} 27. Rg1 {[%emt 0:00:47]} Rg3 {[%emt 0:03:08]} 28. a6 {[%emt 0:00:47]} Rxe3+ {[%emt 0:00:23]} 29. Kf1 {[%emt 0:00:27] White is weak on the dark squares} Rxd2 {[%emt 0:00:23]} 30. a7 {[%emt 0:00:18]} Nxe4 {[%emt 0:02:24][%cal Re4g3]} 31. Rh1 {[%emt 0:00:31]} Ng3+ {[%emt 0:00:06]} 32. Kg1 {[%emt 0:00:05]} Ree2 {[%emt 0:00:05][%csl Gd2][%cal Re2g2]} 33. Rh2 {[%emt 0:00:44] [#]} Bxh3 $1 {[%emt 0:00:06] Weighted Error Value: White=0.88/Black=0.15 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.5"]
[White "Mametev, Artem"]
[Black "Kubin, Tomas Daniel"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2074"]
[BlackElo "1936"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 30,77,37,29,64,43,57,53,56,32,37,37,34,34,165,120,128,125,251,250,252,243,251,233,235,226,462,0,0,-248,-248,-330,-334,-342,-341,-334,-315,-332,-368,-693,-685,-814,-804,-1803,-1415,-1189,-1097,-1017,-998,-29999]} 1. e4 {[%emt 0:10:45]} c5 {[%emt 0:00:12]} 2. Nf3 {[%emt 0:00:04][%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c2][%mdl 32]} Nc6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:24]} 5. Nc3 {[%emt 0:00:09]} e5 {[%emt 0:00:26]} 6. Ndb5 {[%emt 0:00:18]} d6 {[%emt 0:00:08]} 7. Bg5 {[%emt 0:00:04]} a6 {[%emt 0:00:11]} 8. Na3 {[%emt 0:00:05]} b5 {[%emt 0:00:13]} 9. Nd5 {[%emt 0:00:09]} Be7 {[%emt 0:00:11]} 10. Bxf6 {[%emt 0:00:03]} Bxf6 {[%emt 0:00:44]} 11. c4 {[%emt 0:00:02]} b4 {[%emt 0:05:40]} 12. Nc2 {[%emt 0:00:07]} a5 {[%emt 0:01:45]} 13. g3 {[%emt 0:00:07]} Bg5 {[%emt 0:06:39]} 14. Bg2 {[%emt 0:00:19]} O-O {[%emt 0:03:55]} 15. O-O {[%emt 0:00:16]} Rb8 {[%emt 0:11:23]} 16. b3 {[%emt 0:01:51]} f5 {[%emt 0:03:35] B33: Sicilian: Pelikan and Sveshnikov Variations.} 17. exf5 {[%emt 0:00:42]} Bxf5 {[%emt 0:01:10]} 18. Nde3 {[%emt 0:00:52]} Bxe3 {[%emt 0:03:40] White is slightly better.} 19. Nxe3 {[%emt 0:00:16]} ({Reject} 19. Bxc6 Bc5 $11) 19... Nd4 {[%emt 0:04:24]} 20. Nxf5 {[%emt 0:01:57]} Rxf5 {[%emt 0:01:42] [#]} 21. Qd3 $146 {[%emt 0:02:53]} ({Predecessor:} 21. Bd5+ Kh8 22. Be4 Rf6 23. Qd3 Qb6 24. Rad1 Rbf8 25. Qe3 Qc5 26. Kg2 a4 27. h4 {½-½ Yu,B (1180)-Chia,Y (1891) Tanglin op Singapore 2022 (2)}) 21... Qf6 {[%emt 0:12:21]} (21... g6 $14) 22. Be4 {[%emt 0:06:29]} Rh5 {[%emt 0:06:54]} 23. f4 {[%emt 0:02:14]} Qe7 {[%emt 0:02:34]} (23... exf4 $16 24. Rad1 Ne6) 24. Bd5+ {[%emt 0:05:05]} Kh8 {[%emt 0:01:38]} 25. fxe5 {[%emt 0:03:13]} dxe5 {[%emt 0:01:42]} 26. Rae1 {[%emt 0:05:21] [#] Qxd4 would be deadly.} Qd6 {[%emt 0:04:57]} 27. Rf7 {[%emt 0:06:50]} g6 $2 {[%emt 0:04:59]} (27... Rf8 28. Ref1 Rxf7 29. Rxf7 Rh6) 28. Qe3 $2 {[%emt 0:03:17]} (28. g4 $18 Rg5 29. h3) 28... Nc2 $1 $11 {[%emt 0:03:38][%csl LRe1,LRe3]} 29. Qf2 {[%emt 0:31:47]} (29. Qa7 $1 $11 Nxe1 30. c5 Nf3+ 31. Rxf3) 29... Nxe1 $19 {[%emt 0:00:58]} 30. Qxe1 {[%emt 0:00:58]} Rf5 {[%emt 0:01:33]} 31. Rxf5 {[%emt 0:03:31]} gxf5 {[%emt 0:00:13][%mdl 4096] Endgame KQR-KQB} 32. Kg2 {[%emt 0:02:20]} Re8 {[%emt 0:01:53] Strongly threatening ...e4.} 33. Qe3 {[%emt 0:00:32]} e4 {[%emt 0:02:12]} 34. h4 $2 {[%emt 0:02:29] [#]} (34. Bf7 Re7 35. Bd5) 34... Qe5 {[%emt 0:02:28]} 35. h5 {[%emt 0:05:34]} Qc3 {[%emt 0:03:25]} 36. Qc5 {[%emt 0:00:21]} Qf3+ 37. Kh2 Qxh5+ {[%emt 0:00:51]} 38. Kg2 {[%emt 0:01:24]} Qf3+ {[%emt 0:01:30]} 39. Kh3 {[%emt 0:00:09]} Qh1# {Quite a comeback for Black.   Weighted Error Value: White=1.00/Black=0.68} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.6"]
[White "Slaby, Matej"]
[Black "Hozda, Max"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1932"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,93,-37,80,0,-3,-50,-24,-37,-4,0,41,29,20,0,0,0,36,15,26,0,0,0,0,0,0,0,18,16,17,0,0,0,0,0,62,50,92,92,92,92,92,92,92,92,117,102,112,104,154,152,154,156,156,143,145,148,134,131,224,215,203,207,231,136,131,130,243,240,3000,2211,29971,29972,29980,29970,29974,29974,29981,29982,29982,29983,29983,29984,29983,29984,29987,29988]} 1. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:19]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:10]} 3. Bf4 {[%emt 0:00:18]} c5 {[%emt 0:00:29]} 4. c3 {[%emt 0:00:35]} Nc6 {[%emt 0:01:02]} 5. dxc5 {[%emt 0:04:46]} a5 {[%emt 0:09:12]} (5... e6 $1 $15) 6. h3 {[%emt 0:06:19] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} (6. Na3 $1 $16 {[%cal Ra3b5] Nb5 would be deadly.} Nh5 7. Qd2) 6... e6 $11 {[%emt 0:01:09] [#]} 7. Na3 $146 {[%emt 0:02:10]} (7. e3 $11 {is more appropriate.}) ({Predecessor:} 7. e3 Bxc5 8. Bb5 O-O 9. O-O Qb6 10. Qb3 Ne4 11. Bd3 Qxb3 12. axb3 f6 13. b4 {½-½ Sahidi,S (2406)-Mazur,S (2416) Slovak Hybrid Teams 2021 (5.1)}) 7... Bxc5 $15 {[%emt 0:07:21] Threatens to win with ...Qb6.} 8. Nb5 {[%emt 0:01:35] Nc7+ is the strong threat. Black has an edge.} Ne4 {[%emt 0:02:36][%csl Ge4][%cal Rc5f2]} 9. e3 {[%emt 0:00:41]} Nd6 {[%emt 0:01:22]} 10. Nxd6+ {[%emt 0:04:10]} Bxd6 {[%emt 0:00:16]} 11. Bxd6 {[%emt 0:00:07]} Qxd6 {[%emt 0:00:05]} 12. e4 {[%emt 0:00:17]} Ne7 {[%emt 0:07:39]} 13. Bb5+ {[%emt 0:04:57]} Bd7 {[%emt 0:01:05]} 14. Qa4 {[%emt 0:00:43]} (14. e5 $5 {[%cal Re5d6]} Qc7 15. a4 $11) 14... Bxb5 {[%emt 0:07:56]} 15. Qxb5+ {[%emt 0:00:12]} Qc6 {[%emt 0:01:22]} 16. Nd4 {[%emt 0:01:08][%mdl 64] Pin} Qxb5 {[%emt 0:00:46]} 17. Nxb5 {[%emt 0:00:06] Black must now prevent Nc7+.} O-O {[%emt 0:06:53]} 18. exd5 {[%emt 0:03:30]} Nxd5 {[%emt 0:00:35]} 19. O-O {[%emt 0:00:24]} Rac8 {[%emt 0:06:56]} 20. Rfd1 {[%emt 0:04:36]} Rc5 {[%emt 0:01:06]} 21. a4 {[%emt 0:00:40]} Rfc8 {[%emt 0:02:07] [#]} (21... Rb8 $11) 22. c4 $1 $14 {[%emt 0:09:35]} Nb6 {[%emt 0:14:42]} (22... Nf6 23. b3) 23. b3 {[%emt 0:02:46] aiming for Nd6.} Kf8 {[%emt 0:01:12]} 24. Rd6 {[%emt 0:02:03]} R5c6 {[%emt 0:01:04]} 25. Rad1 {[%emt 0:00:21]} Ke7 {[%emt 0:02:48]} 26. R6d3 {[%emt 0:01:44] White is more active.} Rb8 {[%emt 0:02:40]} 27. Kf1 {[%emt 0:02:59]} Rcc8 {[%emt 0:02:45]} 28. Ke2 {[%emt 0:01:23]} Rd8 {[%emt 0:01:40]} (28... Rc5 $142) 29. Rxd8 $1 $16 {[%emt 0:01:28]} Rxd8 {[%emt 0:00:05]} 30. Rxd8 {[%emt 0:00:07]} Kxd8 {[%emt 0:00:04][%mdl 4096] Endgame KN-KN} 31. Nd6 $1 {[%emt 0:00:16][%csl LRb7,LRf7]} Kc7 {[%emt 0:00:19]} 32. Nxf7 {[%emt 0:00:11]} Nd7 {[%emt 0:00:40]} 33. Kd2 {[%emt 0:01:25]} h6 {[%emt 0:00:51]} (33... Nc5 $16 {keeps fighting.}) 34. Kc3 $18 {[%emt 0:03:15]} Nc5 {[%emt 0:01:15]} 35. f3 {[%emt 0:00:16] Wards off Ne4+} b6 {[%emt 0:00:48]} 36. Ne5 {[%emt 0:01:00]} ({Better is} 36. h4 $18) 36... Kd6 $16 {[%emt 0:01:07]} 37. Nd3 {[%emt 0:01:34]} g5 {[%emt 0:03:48]} (37... e5 $16 38. Nxc5 bxc5) 38. g3 {[%emt 0:07:00]} e5 $2 {[%emt 0:02:32] [#]} (38... Nd7 39. b4 axb4+ 40. Kxb4 Kc6) 39. Nxc5 $1 $18 {[%emt 0:06:07]} bxc5 {[%emt 0:00:07] KP-KP} 40. Kd3 {[%emt 0:00:19] White mates.} h5 {[%emt 0:02:18]} 41. Ke3 {[%emt 0:30:38]} Ke7 {[%emt 0:34:27]} 42. Ke4 {[%emt 0:02:29]} Ke6 {[%emt 0:00:10] [#]} 43. h4 $1 {[%emt 0:00:29]} gxh4 {[%emt 0:00:40]} 44. gxh4 {[%emt 0:00:05]} Kf6 {[%emt 0:00:06]} 45. Kd5 {[%emt 0:01:05]} Kf5 {[%emt 0:00:12]} 46. Kxc5 {[%emt 0:00:09]} Kf4 {[%emt 0:00:08]} 47. Kd5 {[%emt 0:00:08] Weighted Error Value: White=0.10 (very precise) /Black=0.35} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.7"]
[White "Prazak, Daniel"]
[Black "Fizer, Marek"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2064"]
[BlackElo "1929"]
[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 9,56,14,6,11,34,26,37,30,32,34,31,37,41,22,53,33,49,55,122,35,34,14,22,14,65,0,19,0,11,25,6,-7,-12,-10,7,0,37,31,39,33,49,0,0,-15,216,-15,-12,-30,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:17]} d6 {[%emt 0:00:10]} 3. Bb5+ {[%emt 0:00:10]} Nd7 {[%emt 0:00:15]} 4. a4 {[%emt 0:00:32]} Ngf6 {[%emt 0:00:37]} 5. Nc3 {[%emt 0:00:10]} a6 {[%emt 0:00:32]} 6. Be2 {[%emt 0:00:12] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 {[%emt 0:00:42]} 7. O-O {[%emt 0:01:02]} Bg7 {[%emt 0:00:57]} 8. a5 {[%emt 0:00:54] White is slightly better.} O-O {[%emt 0:02:04]} 9. d3 {[%emt 0:00:25]} b5 {[%emt 0:01:52]} 10. axb6 {[%emt 0:00:15]} Nxb6 {[%emt 0:00:09]} 11. Qd2 {[%emt 0:00:10]} a5 {[%emt 0:05:56]} 12. Qf4 {[%emt 0:08:14] [#]} Bd7 $146 {[%emt 0:02:42]} ({Predecessor:} 12... a4 13. Qh4 h5 14. Ra3 Re8 15. h3 Bd7 16. Ng5 Qc7 17. f4 c4 18. d4 Nh7 {1-0 So,W (2773)-Vokhidov,S (2552) Chess.com Rapid Wk19 Swiss 2022 (1)}) 13. Qh4 {[%emt 0:02:02]} Nh5 {[%emt 0:03:33] [#]} (13... a4 $14) 14. g4 {[%emt 0:16:34]} ({White should try} 14. Ng5 $1 $16) 14... Nf6 $1 $14 {[%emt 0:01:47]} 15. h3 {[%emt 0:01:01]} Bc6 {[%emt 0:09:22]} 16. Bh6 {[%emt 0:04:08]} Qc7 {[%emt 0:09:26]} (16... e5 $11) 17. Ng5 {[%emt 0:06:56]} (17. Nd2 $14) 17... Nbd7 $11 {[%emt 0:21:13]} 18. f4 {[%emt 0:03:04]} Rfb8 {[%emt 0:11:41]} 19. Bxg7 {[%emt 0:13:57]} Kxg7 {[%emt 0:00:17]} 20. b3 {[%emt 0:00:31] [#]} a4 $1 {[%emt 0:03:57]} 21. bxa4 {[%emt 0:12:58]} Rb2 {[%emt 0:02:43]} 22. Rac1 {[%emt 0:01:05]} Qa5 {[%emt 0:08:33]} 23. Nd1 {[%emt 0:02:13]} Ra2 {[%emt 0:00:32] And now ...Qd2 would win.} 24. Ne3 {[%emt 0:05:27]} Qd2 {[%emt 0:04:35] Prevents Rce1.} 25. Nc4 {[%emt 0:01:55]} (25. Qf2 $14) 25... Qc3 {[%emt 0:02:10] Active counter play!} ({Resist} 25... Qxe2 26. Rfe1 Rxc2 27. Rxe2 Rxc1+ 28. Re1 Rxe1+ 29. Qxe1 $16) 26. e5 {[%emt 0:02:56]} Qd4+ $2 {[%emt 0:01:04] [#]} (26... dxe5 $11 {and Black stays safe.} 27. fxe5 Nxe5 28. Rxf6 {[%mdl 64] Remove Defender} exf6 29. Qxh7+ (29. Nxh7 $2 {perishes.} Qd4+ 30. Qf2 Qd5 $19) 29... Kf8) 27. Kh2 $2 {[%emt 0:00:48]} (27. Rf2 $1 $18 h6 28. exf6+ Qxf6 {[%mdl 64] Pin} 29. Nf3) 27... dxe5 {[%emt 0:00:17]} 28. fxe5 {[%emt 0:05:14]} Nxe5 {[%mdl 32768] Weighted Error Value: White=0.27 (precise) /Black=0.24 (precise) . Loss on time!?} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.8"]
[White "Tillmann, Stanislav"]
[Black "Seidl, Jan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1907"]
[BlackElo "2025"]
[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 23,73,0,0,0,-18,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,-10,-8,-8,-8,-8,-9,0,-10,0,-8,-11,0,0,-185,-185,-367,-316,-330,-180,-182,-193,-182,0,-131,0,-189,0,-143]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:04]} 3. exd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:04]} 4. c4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:15]} 6. Nf3 {[%emt 0:00:07]} Bg4 {[%emt 0:03:06]} 7. cxd5 {[%emt 0:00:44]} Nxd5 {[%emt 0:00:05]} 8. Qb3 {[%emt 0:01:03]} Bxf3 {[%emt 0:00:07]} 9. gxf3 {[%emt 0:01:00]} e6 {[%emt 0:00:06]} 10. Qxb7 {[%emt 0:01:14]} Nxd4 {[%emt 0:00:25]} 11. Bb5+ {[%emt 0:00:45]} Nxb5 {[%emt 0:00:07]} 12. Qc6+ {[%emt 0:00:56]} Ke7 {[%emt 0:00:06]} 13. Qc5+ {[%emt 0:00:59] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nd6 {[%emt 0:00:26] aiming for ...Nxc3.} 14. Nxd5+ {[%emt 0:00:07]} exd5 {[%emt 0:00:05]} 15. O-O {[%emt 0:00:27]} Qb6 {[%emt 0:09:13]} 16. Qxd5 {[%emt 0:03:57]} Qb7 {[%emt 0:04:47]} 17. Qe5+ {[%emt 0:06:31]} Kd7 {[%emt 0:00:13]} 18. Rd1 {[%emt 0:01:14]} Re8 $1 {[%emt 0:27:12]} (18... Qxf3 $2 19. Bf4 Qg4+ 20. Bg3 $18) 19. Qf5+ {[%emt 0:03:47]} Re6 {[%emt 0:00:21]} 20. Qxf7+ {[%emt 0:05:27]} Be7 {[%emt 0:00:12][%cal Oe6e1] ...Re1+! would be deadly.} 21. Bg5 {[%emt 0:01:42][%cal Od1d6] [#] Rxd6+! is the strong threat.} Qb6 $146 {[%emt 0:08:47]} (21... Qxb2 $2 22. Rxd6+ Rxd6 23. Qxe7+ Kc8 24. Rc1+ $18) ({Predecessor:} 21... Re8 22. Rxd6+ Rxd6 23. Re1 Qd5 24. Rxe7+ Rxe7 25. Qxe7+ Kc6 26. Bf4 Rd7 27. Qa3 Kb7 {1-0 Durarbayli,V (2629)-Samunenkov,I (2319) Titled Tuesday intern op 30th Nov blitz 2021 (9)}) 22. Qxg7 {[%emt 0:04:53] Threatens to win with Bxe7.} Re8 {[%emt 0:00:25] Strongly threatening ...Rg6.} 23. Re1 {[%emt 0:07:12]} Qa5 {[%emt 0:07:27][%csl LRe1,LRg5]} 24. Rxe6 {[%emt 0:08:28]} Kxe6 {[%emt 0:00:26]} 25. Bf4 {[%emt 0:10:14][%cal Oa1d1]} Qd5 {[%emt 0:08:39] Repels Rd1} 26. Qxh7 {[%emt 0:07:57]} Kd7 {[%emt 0:02:21]} 27. Re1 {[%emt 0:04:01]} Nf5 {[%emt 0:03:07]} 28. Qh5 {[%emt 0:06:15]} (28. Qg6 $2 Rg8 $19) 28... Rg8+ {[%emt 0:01:03]} 29. Bg3 {[%emt 0:00:07]} Rg5 {[%emt 0:01:02]} 30. Qh8 {[%emt 0:07:18] [#]} (30. Qh7 $1 $11 {and White is okay.}) 30... Nd4 $1 $36 {[%emt 0:04:28][%mdl 2048] Black has strong initiative.} (30... Qxa2 31. Qe5 (31. Qb8 Qa5 $11) 31... Qc4 32. h4 $16) 31. Qh3+ $2 {[%emt 0:03:34]} (31. Kh1 $2 Qxf3+ 32. Kg1 Qd5 $19) (31. Kf1 Nxf3 32. Rc1 Nxh2+ 33. Qxh2) 31... Kd8 {[%emt 0:04:44]} 32. Kf1 {[%emt 0:03:51]} Nxf3 {[%emt 0:02:37]} (32... Rh5 $142 33. Qg4 Nxf3) 33. Rc1 {[%emt 0:01:20][%csl Gc1][%cal Rh3c8]} Nd2+ {[%emt 0:02:47]} (33... Qxa2 $2 34. Qc8#) 34. Kg1 {[%emt 0:00:06][%csl Gc1][%cal Rh3c8] [#]} Nf3+ {[%emt 0:00:52]} (34... Qxa2 $2 35. Qc8#) (34... Bc5 $1 $19 {White must now prevent ...Nf3+.} 35. Qh8+ (35. Rc2 $2 Nf3+ 36. Kg2 Nh4+ {[%mdl 64] Discovered Attack (Double check)} 37. Kg1 Nf3+ 38. Kg2 Nd4+ 39. Kg1 Nf3+ $19) 35... Ke7 36. Qh7+ Kf6 37. Qh8+ Kf7 38. Qh7+ Ke6 39. Qh3+ Kf6 40. Qh8+ Kf7 41. Qh7+ Kf8 42. Qh8+ (42. b4 $2 Bxf2+ {[%mdl 64] Decoy} 43. Kxf2 Rf5+ $19) 42... Kf7) 35. Kf1 $1 $17 {[%emt 0:00:05][%csl Gc1][%cal Rh3c8]} (35. Kh1 $2 Bc5 36. Qg2 (36. Qh8+ $2 Ke7 $19) 36... Ke7 $19) 35... Nd2+ {[%emt 0:01:40]} (35... Qxa2 $2 36. Qc8#) (35... Nxh2+ $17 36. Qxh2 Rh5) 36. Kg1 $19 {[%emt 0:00:07][%csl Gh3][%cal Rc1c8] Really sharp!} Nf3+ {[%emt 0:03:12]} (36... Qxa2 $2 37. Qc8#) ({Black should play} 36... Bc5 $19 {And now ...Nf3+ would win.} 37. Qh8+ (37. Rc2 $2 Nf3+ 38. Kg2 Nh4+ {[%mdl 64] Discovered Attack (Double check)} 39. Kg1 Qd1+ 40. Qf1 Qxc2 $19) 37... Ke7 38. Qh7+ Kd8 39. Qh8+ Ke7 40. Qh7+ Ke8 41. Qh8+ Ke7) 37. Kf1 $1 {[%emt 0:00:06] An exciting game.   Weighted Error Value: White=0.21 (precise) /Black=0.48} ({Don't blunder} 37. Kh1 $2 Bc5 38. Qg2 (38. Qh8+ $2 Ke7 $19) 38... Ke8 $19) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.9"]
[White "Vilimek, Vit"]
[Black "Pelc, Adam"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "2018"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,67,-5,-17,-20,-12,-8,0,33,-27,-15,-38,-9,-19,0,0,-14,-45,162,-16,-55,-52,29,-150,-108,-146,0,-143,0,-152,-132,-147,-100,-119,-93,-102,-87,-259,-251,-285,-201,-215,-222,-341,-318,-450,-396,-1962,-1867,-1818,-1317,-29990,-29990,-29990,-29991,-29991,-29992,-29992]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:31]} 2. b4 {[%emt 0:00:06]} cxb4 {[%emt 0:01:01]} 3. a3 {[%emt 0:00:02]} e6 {[%emt 0:01:23]} 4. axb4 {[%emt 0:00:01]} Bxb4 {[%emt 0:03:23]} 5. c3 {[%emt 0:00:01]} Be7 {[%emt 0:00:25]} 6. d4 {[%emt 0:00:01]} d6 {[%emt 0:01:25]} 7. Bd3 {[%emt 0:00:06]} Nc6 {[%emt 0:04:25] B20: Sicilian: Unusual White 2nd moves.} 8. f4 {[%emt 0:00:16]} Nf6 {[%emt 0:25:09]} 9. Nf3 {[%emt 0:02:24] [#]} Ng4 $146 {[%emt 0:26:32] The position is equal.} ({Predecessor:} 9... b6 10. O-O Bb7 11. Nbd2 Qc7 12. e5 Nd5 13. Ne4 dxe5 14. fxe5 Na5 15. Bg5 Nxc3 16. Nxc3 Qxc3 17. Bxe7 Kxe7 {0-1 Sokac,M (2265)-Klekowski,M (2466) Speed Chess Q1 blitz 2022 (2)}) 10. Ng5 {[%emt 0:15:56]} (10. e5 $14) 10... e5 $11 {[%emt 0:11:11]} 11. h3 {[%emt 0:15:51]} Nh6 {[%emt 0:03:32]} 12. O-O {[%emt 0:06:04]} exf4 {[%emt 0:02:38]} 13. Nf3 {[%emt 0:05:20]} g5 {[%emt 0:01:39]} 14. h4 {[%emt 0:13:10]} Rg8 {[%emt 0:04:33]} (14... f6 $1 $15 {keeps the upper hand.}) 15. Nh2 $2 {[%emt 0:11:14]} (15. Nxg5 $18 Bxg5 16. hxg5) 15... gxh4 {[%emt 0:06:29]} 16. Qh5 {[%emt 0:03:41]} Bg5 {[%emt 0:01:32]} (16... Qb6 $15 17. Ra2 (17. Qxh6 Bh3 $17) 17... Ng4) 17. Bc4 $2 {[%emt 0:14:43] [#]} ({White should try} 17. Nd2 $1 $11) 17... h3 $1 {[%emt 0:00:59]} 18. Ra2 {[%emt 0:00:03]} (18. Na3 Qf6) 18... Na5 {[%emt 0:00:42]} (18... Qf6 $17 {[%cal Oc6d4] Hoping for ...Nxd4!} 19. Na3 Na5) 19. Bb5+ {[%emt 0:03:52]} (19. Bd5 $1 $11 {was the only way to keep the balance.}) 19... Nc6 {[%emt 0:00:58][%cal Ba5c6,Bc6d8,Bd8e6,Be6f4][%mdl 32]} 20. Bc4 $1 {[%emt 0:06:03] Wards off Be6} Qe7 {[%emt 0:00:53]} 21. Bxf4 {[%emt 0:01:05]} Bxf4 {[%emt 0:00:42]} ({Better is} 21... Bd7 22. Na3 (22. Bxd6 $2 Qxd6 23. Bxf7+ Ke7 $19) 22... Bxf4 23. Rxf4 Rg6) 22. Rxf4 $17 {[%emt 0:00:24]} Rg6 {[%emt 0:00:07]} 23. Raf2 {[%emt 0:00:32] [#]} Nd8 {[%emt 0:01:09]} 24. Qb5+ $2 {[%emt 0:00:54]} (24. Nd2 $17 {is a better defense.}) 24... Bd7 $19 {[%emt 0:00:17]} 25. Qb3 {[%emt 0:00:27]} Rxg2+ {[%emt 0:00:18]} 26. Rxg2 {[%emt 0:00:07]} hxg2 {[%emt 0:00:05]} 27. Qd1 {[%emt 0:00:54]} (27. Nf3 $142) 27... Ne6 {[%emt 0:00:55]} 28. Rf2 {[%emt 0:00:31]} (28. Bxe6 $142 Qxe6 29. Qd3) 28... O-O-O {[%emt 0:00:13] ...Ng5 would be deadly.} 29. Ra2 $2 {[%emt 0:00:34]} (29. Bxe6 Qxe6 30. Qe2) 29... Nf4 {[%emt 0:00:50]} 30. Qf3 {[%emt 0:00:28]} Qh4 {[%emt 0:00:08] ( -> ...Rg8)} 31. Rxa7 {[%emt 0:00:28]} Qe1+ {[%emt 0:00:14] Black mates.} 32. Nf1 {[%emt 0:00:33]} gxf1=Q+ {[%emt 0:00:11]} 33. Bxf1 {[%emt 0:00:34]} Rg8+ {[%emt 0:00:05]} 34. Kh2 {[%emt 0:00:07]} Qh4+ {An exciting game.   Weighted Error Value: White=0.76/Black=0.60} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.10"]
[White "Sigut, Ondrej"]
[Black "Lang, Simon"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1804"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,84,19,5,8,0,29,0,21,0,44,-6,12,8,9,-10,-23,-32,-3,-64,-65,-64,-72,-64,-37,-67,-64,-122,-125,-133,-125,-281,-148,-187,-135,-187,-82,-76,-83,-161,-159,-187,-165,-150,-143,-195,-181,-222,-223,-244,-255,-271,-300,-304,-277,-443,118,107,354,361,381,377,375,373,313,0,160,150,150,159,164,-29977,-29978]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:51]} 2. Nf3 {[%emt 0:00:22]} d6 {[%emt 0:00:54]} 3. Bb5+ {[%emt 0:00:58]} Nd7 {[%emt 0:01:33]} 4. d4 {[%emt 0:01:08]} Ngf6 {[%emt 0:01:18]} 5. Nc3 {[%emt 0:04:12]} cxd4 {[%emt 0:02:05]} 6. Qxd4 {[%emt 0:00:39]} e5 {[%emt 0:01:26]} 7. Qd3 {[%emt 0:00:46]} h6 {[%emt 0:01:20]} 8. O-O {[%emt 0:01:02]} a6 {[%emt 0:02:31] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. Bxd7+ {[%emt 0:01:11]} Bxd7 {[%emt 0:01:52]} 10. Be3 {[%emt 0:02:44]} Be7 {[%emt 0:02:40] The position is equal.} 11. a4 {[%emt 0:02:34] [#]} b6 $146 {[%emt 0:26:40]} ({Predecessor:} 11... O-O 12. Nd2 Bc6 13. Nc4 Nxe4 14. Nxe4 Bxe4 15. Qxe4 d5 16. Qxe5 dxc4 17. Rad1 Bf6 18. Qf5 {1-0 Pacher,M (2334)-Manik,M (2415) SVK-ch Blitz 2022 (7)}) 12. Rad1 {[%emt 0:06:49]} (12. Nd2 $14) 12... Be6 {[%emt 0:06:35]} 13. Rfe1 {[%emt 0:05:39]} Qc7 {[%emt 0:07:26]} (13... O-O {keeps more tension.} 14. Nh4 Nxe4 15. Ng6 fxg6 16. Qxe4 Qe8) 14. Nd2 {[%emt 0:08:37]} O-O {[%emt 0:04:41]} 15. f3 {[%emt 0:07:12]} Rfd8 {[%emt 0:05:43]} 16. Qe2 {[%emt 0:15:53]} (16. Nd5 $11 Bxd5 17. exd5) 16... d5 $15 {[%emt 0:08:09]} 17. exd5 {[%emt 0:03:42]} Nxd5 {[%emt 0:00:57]} 18. Nxd5 {[%emt 0:01:54]} Bxd5 {[%emt 0:01:34]} 19. c4 {[%emt 0:04:23]} Bc6 {[%emt 0:02:08]} 20. Qf2 {[%emt 0:02:35]} (20. b3 $15) 20... Rab8 $17 {[%emt 0:01:34]} (20... Bxa4 $6 21. Ra1 (21. Bxb6 Qc6 $11) 21... Qc6 22. b3 (22. Bxb6 $2 Rxd2 {[%mdl 64] Deflection} 23. Qxd2 Qxb6+ 24. Kh1 Qb3 $19) 22... Rxd2 23. Qxd2 (23. Bxd2 Bxb3 24. Be3 Bxc4 $15) 23... Bxb3 24. Rab1 Qxc4 25. Qb2 $11 (25. Bxb6 $2 Bb4 $17 {[%mdl 64] Skewer})) 21. b3 {[%emt 0:01:45]} Bb4 {[%emt 0:02:59] Black is more active.} 22. f4 $2 {[%emt 0:08:02]} (22. Qe2 $17 {was worth a try.}) 22... e4 {[%emt 0:10:27]} (22... Rd3 $1 $19 {And now ...exf4 would win.} 23. Re2 exf4 24. Qxf4 Qxf4 25. Bxf4 Rbd8) 23. f5 {[%emt 0:03:18]} f6 {[%emt 0:01:53]} ({Better is} 23... Rd3 $19 {White must now prevent ...Qd7.} 24. c5 bxc5) 24. Bf4 {[%emt 0:05:02]} (24. Rb1 $17) 24... Bd6 {[%emt 0:01:36]} (24... Qc8 $19 {has better winning chances. Hoping for ...Rb7.} 25. Bxb8 Bc5) 25. Bxd6 {[%emt 0:00:32]} Qxd6 {[%emt 0:01:12]} 26. Re3 {[%emt 0:07:40]} (26. Re2 $17) 26... Rb7 $19 {[%emt 0:01:24] aiming for ...Rbd7.} 27. Re2 {[%emt 0:01:40]} Qb4 {[%emt 0:00:45] Strongly threatening ...Rbd7.} 28. Rde1 {[%emt 0:01:07] [#]} Re7 $1 {[%emt 0:00:49][%cal Oe4e3] ...e3! would be deadly.} 29. Nf1 {[%emt 0:01:37]} (29. Qf4 $17 {was necessary.}) 29... Rd3 {[%emt 0:00:41]} 30. Re3 {[%emt 0:01:05]} Rxb3 {[%emt 0:00:58]} 31. Rxb3 {[%emt 0:00:40]} Qxb3 {[%emt 0:00:04]} 32. c5 {[%emt 0:00:54]} b5 {[%emt 0:00:44]} (32... Bxa4 33. cxb6 Rb7 34. Rxe4 $17) 33. axb5 {[%emt 0:00:17]} axb5 {[%emt 0:00:08]} (33... Qxb5 $2 34. Rc1 $19) (33... Bxb5 $2 34. Qe3 Qd5 35. g4 $19) 34. Qd4 {[%emt 0:00:28]} (34. Qf4 {might work better.} Re5 35. Qe3) 34... Qc4 $2 {[%emt 0:01:04]} ({Black should play} 34... Rd7 $19 35. Qa1 Qd5) 35. Qd6 $16 {[%emt 0:00:42][%csl LRc6,LRe7]} Rd7 {[%emt 0:00:46]} (35... Re5 $16) 36. Qxc6 $18 {[%emt 0:00:16]} Qd4+ {[%emt 0:00:08]} 37. Kh1 {[%emt 0:00:32]} Rd5 {[%emt 0:00:48]} 38. Qe6+ {[%emt 0:00:51]} (38. Qxb5 Rxf5 39. Rc1 Kh7) 38... Kh7 {[%emt 0:00:04][%cal Od4c3]} 39. Rxe4 $2 {[%emt 0:00:32]} ({Weaker is} 39. Qxe4 Qxe4 40. Rxe4 Rxf5 $18) (39. Ng3 $18 Qe3 40. Rg1 (40. Rxe3 $2 {gets mated.} Rd1+) 40... Rxc5 41. Nxe4) 39... Qxc5 $2 {[%emt 0:00:08] [#]} ({Black should try} 39... Qf2 $1 $11 40. h4 (40. Qxd5 $2 Qxf1#) (40. Re1 Re5 $11) 40... Qxf1+ 41. Kh2 Rxc5) 40. Re1 $1 $16 {[%emt 0:00:30]} Rxf5 {[%emt 0:00:29]} 41. Qe4 {[%emt 0:30:08]} Kg8 {[%emt 0:30:23]} 42. Qe3 $4 {[%emt 0:00:47][%mdl 8192] [#]} (42. Rd1 $18 Re5 43. Qb1) 42... Rxf1+ $1 {[%emt 0:00:13][%mdl 576] Remove Defender. A wild game.   Weighted Error Value: White=0.61/Black=0.58} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.11"]
[White "Hladky, Tadeas"]
[Black "Svoboda, Daniel"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1973"]
[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 14,59,10,9,2,8,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-1,-4,-7,-10,0,-11,9,9,10,32,18,0,0,-8,0,0,0,0,0,-8,0,0,0,-8,0,0,0,-16]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:22]} 3. Bb5+ {[%emt 0:00:07]} Nd7 {[%emt 0:00:42]} 4. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:31]} 5. Qxd4 {[%emt 0:00:08]} a6 {[%emt 0:00:24]} 6. Bxd7+ {[%emt 0:00:08]} Bxd7 {[%emt 0:01:49]} 7. O-O {[%emt 0:00:10]} Nf6 {[%emt 0:00:39]} 8. Bg5 {[%emt 0:00:09]} e6 $1 {[%emt 0:01:05] 8...e6 is better than 8...h6. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. Nbd2 {[%emt 0:00:07]} Bc6 {[%emt 0:02:33]} 10. Nc4 {[%emt 0:00:16]} Bxe4 {[%emt 0:04:00]} 11. Bxf6 {[%emt 0:00:06]} Qxf6 {[%emt 0:00:45]} 12. Qxe4 {[%emt 0:00:06]} d5 {[%emt 0:00:19]} 13. Qe2 {[%emt 0:00:04] [#] Nb6 is the strong threat.} dxc4 {[%emt 0:01:10]} 14. Qxc4 {[%emt 0:00:06] Black must now prevent Qa4+.} Be7 {[%emt 0:03:53] [#]} 15. Rfd1 $146 {[%emt 0:00:32]} ({Predecessor:} 15. c3 O-O 16. Qe4 Rab8 17. Rfd1 Rfd8 18. Rxd8+ Bxd8 19. Rd1 Qe7 20. g3 Bc7 21. Kg2 {0-1 Bok,B (2596)-Vachier Lagrave,M (2796) Titled Tuesday intern op 7th Febr blitz 2017 (9)}) 15... O-O {[%emt 0:05:59]} 16. c3 {[%emt 0:00:17]} Rfd8 {[%emt 0:08:55]} 17. Qe4 {[%emt 0:03:01]} Bf8 {[%emt 0:11:27]} 18. h3 {[%emt 0:52:51]} h6 19. a4 Rxd1+ {[%emt 0:21:15]} 20. Rxd1 {[%emt 0:00:41]} Rd8 $1 21. Rxd8 {[%emt 0:05:23]} Qxd8 $11 {[%emt 0:00:18][%mdl 4096] Endgame KQB-KQN} 22. Qd4 {[%emt 0:08:46] Dodges Qd1+. The position is equal.} Qc7 {[%emt 0:15:41]} 23. Nd2 {[%emt 0:04:25]} b5 {[%emt 0:00:33]} 24. axb5 {[%emt 0:03:55]} axb5 {[%emt 0:08:58]} 25. Ne4 {[%emt 0:09:22]} Qf4 {[%emt 0:04:16]} 26. Nd2 {[%emt 0:01:41]} Qc7 {[%emt 0:00:24]} 27. Ne4 {[%emt 0:00:24]} Qf4 {[%emt 0:00:28]} 28. Nd2 {[%emt 0:00:15]} Qc7 {[%emt 0:00:32]} 29. Ne4 {[%emt 0:00:11]} Qf4 30. Nd2 {An uneventful encounter.   Weighted Error Value: White=0.03 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.11"]
[Round "1.12"]
[White "Mrazek, Adam"]
[Black "Simunek, Jakub Simon"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "1745"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,70,-2,7,29,-24,-25,-63,-34,-63,-51,-38,-53,-52,-58,-64,-7,-10,-14,-30,10,-46,-22,-40,-39,-129,-47,-116,-118,-161,-184,-257,-259,-262,-261,-263,-159,-329,-331,-301,-300,-281,-275,-254,-268,-323,-302,-576,-586,-588,-538,-728,-585,-578,-570,-558,-558,-551,-551]} 1. Nf3 d5 2. c4 c6 3. d4 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Qc2 Ne4 8. cxd5 Bb4 {[%cal Re4c3] D52: Queen's Gambit Declined: Cambridge Springs Variation.} 9. Rc1 (9. dxe6 $142 Nxc3 10. exd7+ Bxd7 11. Bh4 (11. bxc3 Bxc3+ 12. Kd1 Bxa1 $17)) 9... exd5 $11 {[#]} 10. Qb3 $146 ({Predecessor:} 10. a3 Bxc3+ 11. bxc3 Qxa3 12. Bh4 O-O 13. Bd3 Re8 14. O-O Nf8 15. Nd2 Bf5 16. Nb1 {0-1 Roubalik,J (2395)-Vovk,Y (2577) SVK-chT 1920 2019 (7.6)}) 10... O-O {Black is slightly better.} (10... c5 $5 {[%cal Rc5c4]} 11. a3 (11. Qxd5 $2 Bxc3+ 12. bxc3 Nxc3 $19) 11... Bxc3+ 12. bxc3 c4 $15) 11. Bf4 c5 12. a3 Bxc3+ 13. bxc3 c4 14. Qb4 Qa6 (14... Qd8 $15) 15. Be2 Re8 16. a4 Nb8 17. O-O ({White should try} 17. Ne5 $11) 17... Bd7 (17... Nc6 $5 {[%cal Rc6b4]} 18. Qb5 Qxb5 19. axb5 Na5 $11) 18. Bxb8 (18. Ne5 {keeps more tension.} Nc6 19. Nxc6 Qxc6 20. a5) 18... Raxb8 19. a5 (19. Bd1 $15) 19... Bg4 (19... b6 $17 20. Bd1 Qxa5) 20. Rfd1 ({Better is} 20. h3 $15 Bh5 21. Ra1) 20... b6 $17 {Black is more active.} 21. Ra1 bxa5 22. Qxa5 (22. Qa3 $142) 22... Qxa5 $19 23. Rxa5 Nxc3 24. Re1 {White is weak on the light squares} Rb2 25. Kf1 {This costs White the game.} (25. Bf1 $17 {was the only defense.}) 25... Reb8 {...Nxe2 would be deadly.} 26. h3 Bf5 27. Bxc4 dxc4 {[%cal Bd5c4,Bc4c3][%mdl 32]} 28. Rxf5 Ne4 {[#] Wards off Rc5. And now ...c3 would win.} 29. Ne5 c3 ({Inferior is} 29... Nd6 30. Rf3 $17) 30. Nd3 $2 (30. Rxf7 $2 {perishes.} Nd2+ 31. Ke2 (31. Kg1 $2 c2 $19) 31... Nc4+ 32. Kf1 Nxe5 $19) (30. g3 {keeps fighting.}) 30... Rd2 {Black is clearly winning.} 31. Nc1 Rbb2 32. Kg1 Nxf2 33. Rc5 {[%cal Rc5c8]} g6 {Threatens to win with ...Ne4.} 34. Rxc3 Ne4 $1 {[%csl LRc3,LRg2][%mdl 64] [#] Discovered Attack} 35. Rc8+ Kg7 {Weighted Error Value: White=0.56/Black=0.25 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.1"]
[White "Kubin, Tomas Daniel"]
[Black "Janous, Marek"]
[Result "0-1"]
[ECO "B69"]
[WhiteElo "1936"]
[BlackElo "2124"]
[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 25,60,40,27,32,81,50,46,43,39,41,36,37,39,0,0,0,41,52,54,0,12,0,43,43,36,-159,-164,-478,-482,-470,-465,-1795,-1764,-29997,-29998,-29998,-29999]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:59]} 2. Nf3 {[%emt 0:00:08]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:08]} 4. Nxd4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:05]} 6. Bg5 {[%emt 0:00:43]} e6 {[%emt 0:00:11]} 7. Qd2 {[%emt 0:00:20]} a6 {[%emt 0:00:15]} 8. O-O-O {[%emt 0:01:10]} Bd7 {[%emt 0:00:06]} 9. f4 {[%emt 0:00:29]} Be7 {[%emt 0:00:07]} 10. Nf3 {[%emt 0:01:17]} b5 {[%emt 0:00:11]} 11. Bxf6 {[%emt 0:00:25]} gxf6 {[%emt 0:00:08]} 12. Kb1 {[%emt 0:00:43]} Qb6 {[%emt 0:01:26]} 13. f5 {[%emt 0:05:04]} O-O-O {[%emt 0:01:44][%cal Be8c8,Bc8b8,Bb8b7][%mdl 32]} 14. g3 {[%emt 0:03:21] B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} b4 {[%emt 0:15:47]} (14... Rhe8 $14) 15. fxe6 {[%emt 0:18:58]} fxe6 {[%emt 0:00:49]} 16. Na4 {[%emt 0:00:55] White is slightly better.} Qa5 {[%emt 0:02:35]} 17. b3 {[%emt 0:00:16] [#]} Kb8 $146 {[%emt 0:24:15]} ({Predecessor:} 17... Kb7 18. Nb2 Be8 19. Bc4 Bh5 20. Qe3 Qc5 21. Qxc5 dxc5 22. Rdf1 Bg4 23. h3 Bxf3 24. Rxf3 Ne5 25. Rf2 {½-½ Bensiek,N-Karkuth,S GER-ch23 sf9 corr 1991}) 18. Qe2 {[%emt 0:16:28]} Kb7 {[%emt 0:02:50]} 19. Bg2 {[%emt 0:02:05]} Na7 {[%emt 0:27:49][%cal Bc6a7,Ba7b5,Bb5a3][%mdl 32]} 20. Nd4 {[%emt 0:18:25]} e5 {[%emt 0:01:40]} 21. Nf5 {[%emt 0:00:42]} Bf8 {[%emt 0:04:38]} 22. Qc4 {[%emt 0:10:57]} (22. Nxd6+ $2 {too greedy.} Bxd6 23. Rxd6 Bxa4 24. Rxd8 Rxd8 $19) 22... Nb5 $1 {[%emt 0:01:14]} 23. Qf7 {[%emt 0:05:47]} Qc7 {[%emt 0:00:48]} 24. Ne3 {[%emt 0:02:25] [#] Hoping for Nd5.} (24. Qxf6 $2 {loses.} Na3+ 25. Ka1 Bxa4 $19) 24... Na3+ {[%emt 0:08:21]} 25. Kb2 $2 {[%emt 0:00:48]} (25. Ka1 $14 {is the one way to stay ahead.} Bxa4 26. Qxc7+ (26. Qxf6 $2 Qc3#) 26... Kxc7 27. bxa4) 25... Bh6 $17 {[%emt 0:01:49] Chess con chili.} 26. Nc4 {[%emt 0:01:35]} (26. Nf5 {nothing else works.} Qxc2+ 27. Ka1) 26... Nxc4+ $19 {[%emt 0:00:08]} 27. bxc4 {[%emt 0:02:07]} Bxa4 {[%emt 0:00:14][%mdl 64] [#] Discovered Attack. A strong pair of Bishops.} 28. Qxf6 {[%emt 0:00:32]} (28. Qd5+ $142 Bc6 29. Qd3) 28... Qxc4 {[%emt 0:00:41] ( -> ...Qc3+)} 29. Qxh6 {[%emt 0:01:20]} Qc3+ {[%emt 0:00:11]} 30. Kb1 {[%emt 0:00:20]} Bxc2+ {[%emt 0:00:04] Excellently played by Janous!   Weighted Error Value: White=1.09/Black=0.11 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.2"]
[White "Paseka, Matyas"]
[Black "Slaby, Matej"]
[Result "1-0"]
[ECO "B17"]
[WhiteElo "2082"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,61,13,10,69,72,91,58,115,107,111,106,93,124,118,82,82,70,103,76,77,80,83,79,132,149,181,182,197,135,220,119,417,416,452,445,527,413,406,276,274,253,402,399,373,381,633,627,1194,1181,29985,2593]} 1. e4 {[%emt 0:00:05]} c6 {[%emt 0:00:11]} 2. d4 {[%emt 0:00:09]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:08]} dxe4 {[%emt 0:00:07]} 4. Nxe4 {[%emt 0:00:06]} Nd7 {[%emt 0:00:06]} 5. Ng5 {[%emt 0:01:06]} Ngf6 {[%emt 0:00:37]} 6. Bd3 {[%emt 0:00:22]} e6 {[%emt 0:00:28]} 7. Qe2 {[%emt 0:00:14]} Nb6 {[%emt 0:02:55] B17: Caro-Kann: Modern Line (4...Nd7).} (7... Bd6 $11) 8. N1f3 $14 {[%emt 0:03:37]} Be7 {[%emt 0:04:34]} 9. Bd2 {[%emt 0:09:37][%cal Bc1d2,Bd2c3,Bc3e5][%mdl 32]} O-O {[%emt 0:01:32]} (9... h6 $14) 10. h4 $16 {[%emt 0:04:19][%cal Og5h7]} h6 {[%emt 0:03:18] [#]} 11. O-O-O $1 {[%emt 0:02:33] [#]} c5 $146 {[%emt 0:04:14]} (11... hxg5 $2 12. hxg5 g6 13. gxf6 Bxf6 14. Qe3 $18) (11... Na4 12. Ne4) ({Predecessor:} 11... Nbd5 12. Ne4 a5 13. Ne5 Nb4 14. Nxf6+ Bxf6 15. Bc4 Bd7 16. c3 Nd5 17. Qe4 Be7 {1-0 Christensen,A (1758)-Schilly,H (1804) Berlin Lichtenberger op 15th 2016 (5)}) 12. dxc5 $1 {[%emt 0:03:58]} Bxc5 {[%emt 0:00:21]} 13. c4 {[%emt 0:34:15][%cal Od2c3]} Qe7 {[%emt 0:06:31] [#]} (13... hxg5 $2 14. hxg5 Bd4 15. gxf6 $18) 14. Bc3 $1 {[%emt 0:00:43]} Nbd7 {[%emt 0:02:23] [#]} (14... hxg5 15. hxg5 Ng4 16. Bh7+ Kh8 17. Qe4 $18) (14... Ng4 15. Ne4) 15. Ne5 $1 {[%emt 0:10:40]} Nxe5 {[%emt 0:14:12]} (15... hxg5 $2 16. hxg5 $18) 16. Bxe5 {[%emt 0:00:12][%cal Od3c2]} Nd7 {[%emt 0:00:17]} (16... hxg5 $2 17. hxg5 $18) 17. Bc3 {[%emt 0:05:06][%cal Od3c2] White has more active pieces. The black rooks are badly placed.} (17. Qe4 $2 f5 $19) 17... Re8 {[%emt 0:10:28]} (17... hxg5 18. Bh7+ Kxh7 19. hxg5+ Kg8 20. Qh5 $18) (17... Nf6 $142) 18. Ne4 {[%emt 0:05:48] aiming for g4.} (18. Qe4 f5 19. Qxe6+ Qxe6 $17) 18... Bb4 {[%emt 0:03:22]} 19. Bxb4 {[%emt 0:02:53]} Qxb4 {[%emt 0:00:09] [#]} 20. Nd6 {[%emt 0:00:47]} Re7 {[%emt 0:04:57] [#]} (20... Qxd6 $2 21. Bh7+ Kxh7 22. Rxd6 $18) (20... Rd8 $16) 21. Rh3 {[%emt 0:02:11]} Nc5 $2 {[%emt 0:11:52][%mdl 8192] [#] This costs Black the game.} (21... Qxd6 $2 22. Bh7+ Kxh7 23. Rxd6 $18) (21... Nf6 $16 {was necessary.}) 22. Bc2 $1 $18 {[%emt 0:01:10] And now Rg3 would win.} Bd7 {[%emt 0:03:18]} 23. Rg3 {[%emt 0:01:38][%cal Bh3g3,Bg3f3,Bf3f7][%mdl 32]} e5 {[%emt 0:06:53]} 24. Qh5 {[%emt 0:04:04]} Kf8 {[%emt 0:00:36]} 25. Rf3 {[%emt 0:00:08][%cal Rf3f7]} Be6 {[%emt 0:01:41]} 26. Qg6 $40 {[%emt 0:02:05][%mdl 128] Threatens to win with Qh7. Black is in trouble.} (26. Qxe5 Bg4 $15) 26... Rd7 {[%emt 0:07:39]} (26... Qb6 $142 27. Qh7 Rd7) 27. a3 {[%emt 0:01:32]} Qb6 {[%emt 0:00:07] White must now prevent ...Rad8.} 28. b4 $1 {[%emt 0:00:10]} Rxd6 $2 {[%emt 0:00:56]} (28... Qc6) 29. Rxd6 {[%emt 0:00:08]} ({Stronger than} 29. bxc5 Rxd1+ 30. Kxd1 Qb2 $17) 29... Qxd6 {[%emt 0:00:31] [#]} 30. Rxf7+ $3 {[%emt 0:00:04][%mdl 576] Pin, Double Attack} Ke8 {[%emt 0:00:43]} (30... Bxf7 31. Qxd6+) 31. bxc5 {Magnificent play by Paseka!   Weighted Error Value: White=0.28 (precise) /Black=0.90} (31. Rxg7+ $142 Kd8 32. Qf6+ Kc8 33. bxc5 Qd7 34. Rxd7 Bxd7 35. Qh8+ Kc7 36. Qxa8) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.3"]
[White "Lang, Simon"]
[Black "Fizer, Marek"]
[Result "0-1"]
[ECO "B99"]
[WhiteElo "1974"]
[BlackElo "1929"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 18,72,25,8,42,42,38,0,0,0,0,0,0,0,0,0,58,45,114,20,37,26,39,0,0,0,0,0,0,-72,-69,-58,-38,-69,-68,-68,-68,-68,-68,-68,-69,-70,-50,-64,-55,-47,-50,-164,-162,-236,-243,-316,-287,-5952,-5841,-5193,-3098]} 1. e4 {[%emt 0:00:37]} c5 {[%emt 0:00:24]} 2. Nc3 {[%emt 0:00:59]} d6 {[%emt 0:01:10]} 3. Nf3 {[%emt 0:01:43]} Nf6 {[%emt 0:00:30]} 4. d4 {[%emt 0:01:07]} cxd4 {[%emt 0:00:10]} 5. Nxd4 {[%emt 0:01:32]} a6 {[%emt 0:00:15]} 6. Bg5 {[%emt 0:01:43]} e6 {[%emt 0:00:55]} 7. f4 {[%emt 0:02:50]} Be7 {[%emt 0:02:17]} 8. Qf3 {[%emt 0:01:48]} Qc7 {[%emt 0:00:40]} 9. O-O-O {[%emt 0:02:03]} Nbd7 {[%emt 0:01:19]} 10. g4 $1 {[%emt 0:02:33]} h6 {[%emt 0:01:38] Repels h4. B99: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7 8 Qf3 Qc7 9 0-0-0 Nbd7.} 11. Bxf6 {[%emt 0:10:49]} Bxf6 {[%emt 0:00:26]} 12. Be2 {[%emt 0:06:07]} g5 {[%emt 0:00:14] [#] The position is equal.} 13. f5 $146 {[%emt 0:04:22]} ({Predecessor:} 13. h4 gxf4 14. g5 Be5 15. g6 Nf6 16. gxf7+ Qxf7 17. Bc4 Qe7 18. Nce2 Bxd4 19. Nxf4 {0-1 Leon Nanjari,R (2199)-Dumas Aviles,A (2231) Santiago Endesa 05 2008 (4)}) 13... Ne5 {[%emt 0:03:01]} 14. Qh3 {[%emt 0:06:49]} Nc6 {[%emt 0:06:22]} 15. Nxc6 {[%emt 0:21:13]} bxc6 {[%emt 0:15:20]} 16. Bc4 {[%emt 0:05:15]} Ke7 {[%emt 0:06:27] Black is weak on the light squares} (16... Rb8 $11) 17. Rhf1 {[%emt 0:10:00]} Bd7 {[%emt 0:04:16]} ({Black should try} 17... Rb8 $14) 18. Rd3 {[%emt 0:05:17]} (18. fxe6 $16 fxe6 19. Rxf6 Kxf6 20. e5+ dxe5 21. Ne4+ Kg7 22. Qe3) 18... Be5 $11 {[%emt 0:06:11]} 19. Kb1 {[%emt 0:04:57]} Rab8 {[%emt 0:10:41]} 20. fxe6 {[%emt 0:02:32]} (20. Bxa6 $2 Qb6 21. Nd1 Qxa6 $19) (20. Qf3 $5 {[%cal Rf5e6]}) 20... fxe6 {[%emt 0:00:36]} 21. Rdf3 {[%emt 0:01:11]} (21. Bxa6 $2 {loses.} Qb6 $19) 21... Be8 {[%emt 0:01:13] Repels Rf7+} 22. Qg2 {[%emt 0:01:33]} Qb6 {[%emt 0:01:02][%csl Gb8][%cal Rb6b2] [#]} 23. Nd1 {[%emt 0:01:37]} (23. Bb3 $1 $11) 23... Bg6 $17 {[%emt 0:09:04] This pair of bishops is nice.} (23... Bxb2 $2 24. Rb3 Bd4 25. Rxb6 $18) 24. Qe2 {[%emt 0:01:14]} Qd4 {[%emt 0:00:57][%cal Rb8b2] ( -> ...Rxb2+). Some like it hot} (24... Bxb2 $2 25. Rb3 (25. Bxa6 $2 {too greedy.} Bc3+ $19) 25... Qa7 26. Nxb2 $18) 25. Bb3 {[%emt 0:01:22]} Rhf8 {[%emt 0:01:34] Active counter play!} ({Of course not} 25... Qxe4 26. Rf7+ Kd8 27. Qxe4 Bxe4 28. Bxe6 $11) 26. Rxf8 {[%emt 0:00:57]} Rxf8 {[%emt 0:00:10]} 27. Rxf8 {[%emt 0:00:07]} Kxf8 {[%emt 0:00:05]} 28. Bxe6 {[%emt 0:00:15]} Qxe4 $40 {[%emt 0:01:34][%mdl 128] Black attacks.} 29. Bc4 {[%emt 0:01:40]} Qxe2 {[%emt 0:02:07]} (29... a5 {is more complex.} 30. h3 Bf4 31. Nf2 Qg2) 30. Bxe2 {[%emt 0:00:02]} Bxh2 {[%emt 0:00:11]} 31. Bxa6 $15 {[%emt 0:00:08][%mdl 4096] Endgame KBB-KBN} h5 {[%emt 0:11:20][%cal Bh6h5,Bh5h4,Bh4h3][%mdl 32]} 32. Be2 {[%emt 0:01:32]} (32. gxh5 $15 Bxh5 33. Nf2) 32... h4 $19 {[%emt 0:00:08] [#] aiming for ...Be4.} 33. Bf3 {[%emt 0:00:16] Prevents Be4.} (33. Nf2 $142) 33... d5 {[%emt 0:00:44] ...Be4 is the strong threat.} 34. Nf2 {[%emt 0:00:35] Inhibits Be4.} Bg1 {[%emt 0:02:10]} 35. Nd3 {[%emt 0:00:41]} (35. Nh3 Be3 36. b4) 35... Be4 {[%emt 0:00:28]} 36. Ne5 {[%emt 0:00:30]} h3 {[%emt 0:00:31] Excellently played by Fizer!   Weighted Error Value: White=0.40/Black=0.13 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.4"]
[White "Simunek, Jakub Simon"]
[Black "Pelc, Adam"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1970"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,68,0,2,-13,15,3,19,0,17,8,33,33,42,40,37,31,42,0,54,58,58,50,67,27,32,27,31,28,41,43,41,39,31,28,28,-27,0,-116,-83,-84,-75,-113,-109,-108,-117,-106,-106,-108,-114,-117,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:42]} 2. Nf3 {[%emt 0:00:10]} d5 {[%emt 0:00:54]} 3. e3 {[%emt 0:00:11]} c6 {[%emt 0:02:22]} 4. Bd3 {[%emt 0:00:38]} Bg4 {[%emt 0:02:24]} 5. O-O {[%emt 0:00:31]} Nbd7 {[%emt 0:01:08][%cal Oe7e5]} 6. Nbd2 {[%emt 0:07:10] D04: Colle System.} e6 {[%emt 0:06:58]} (6... e5 $5 {[%cal Re5e4]} 7. dxe5 Nxe5 $11 {[%mdl 64] Pin}) 7. c3 {[%emt 0:05:55][%cal Bc2c3,Bc3c4][%mdl 32]} Bd6 {[%emt 0:00:48]} 8. Qc2 {[%emt 0:11:16]} Qc7 {[%emt 0:05:14]} 9. c4 {[%emt 0:05:20] [#]} e5 $146 {[%emt 0:13:05]} ({Predecessor:} 9... O-O 10. c5 Be7 11. b4 a5 12. b5 cxb5 13. Bxb5 Bf5 14. Bd3 Bxd3 15. Qxd3 b6 16. cxb6 Nxb6 {0-1 Mamatkulova,M (2046)-Nakhbayeva,G (2244) Tashkent zt 3.4 (Women) 2011 (8)}) 10. dxe5 {[%emt 0:05:50]} Nxe5 {[%emt 0:04:18]} 11. Nxe5 {[%emt 0:02:15]} Bxe5 {[%emt 0:00:06]} 12. h3 {[%emt 0:14:33]} Be6 {[%emt 0:16:41]} 13. c5 {[%emt 0:18:47] [#] f4 would be deadly.} d4 {[%emt 0:04:43]} (13... g5 $11) 14. exd4 $14 {[%emt 0:08:15]} Bxd4 {[%emt 0:01:59]} 15. Nf3 {[%emt 0:00:08]} Rd8 {[%emt 0:00:38][%cal Od4c5]} 16. Nxd4 {[%emt 0:10:02]} Rxd4 {[%emt 0:00:06]} 17. Be3 {[%emt 0:00:46]} Rd8 {[%emt 0:02:51]} 18. Rfe1 {[%emt 0:03:47]} h6 {[%emt 0:12:16] Prevents Bg5.} 19. Rad1 {[%emt 0:01:53]} O-O {[%emt 0:01:00]} 20. Qc1 {[%emt 0:00:18][%cal Oe3h6]} Rd5 {[%emt 0:05:43]} 21. Bf4 {[%emt 0:00:50]} Qd7 {[%emt 0:00:29]} 22. Qe3 {[%emt 0:00:53]} (22. Bd6 $142) 22... Re8 {[%emt 0:01:52] aiming for ...Bf5.} 23. Be5 {[%emt 0:01:04]} (23. Qf3 $1 $11) 23... Bf5 {[%emt 0:01:45]} 24. Bxf5 {[%emt 0:00:17]} Qxf5 {[%emt 0:00:09]} 25. Rxd5 {[%emt 0:00:28]} Nxd5 {[%emt 0:01:26]} ({Don't play} 25... cxd5 $6 26. f4 $11) 26. Qg3 {[%emt 0:00:38][%csl Ge5][%cal Rg3g7] [#]} f6 $1 {[%emt 0:03:25]} 27. Bc3 {[%emt 0:00:03]} Rxe1+ {[%emt 0:01:28]} 28. Bxe1 $17 {[%emt 0:00:04][%mdl 4096] Endgame KQB-KQN} Qb1 {[%emt 0:01:38][%csl LRa2,LRb2,LRe1]} 29. Qb8+ {[%emt 0:00:30]} Kf7 {[%emt 0:01:37]} (29... Kh7 $17 30. Qe8 Qxb2 31. Qe4+ g6) 30. Qxb7+ $11 {[%emt 0:01:23] The position is equal.} Kg6 {[%emt 0:00:10]} 31. Kf1 {[%emt 0:00:04]} Qd3+ {[%emt 0:01:07]} ({Much less strong is} 31... Qxa2 32. Qxc6 Qc4+ 33. Kg1 $16) 32. Kg1 {[%emt 0:00:03]} Qd1 {[%emt 0:01:16]} (32... Qe4 $5 33. Bd2 $8 Qc2 $11) 33. Kf1 {[%emt 0:00:03]} Qd3+ {[%emt 0:02:26]} 34. Kg1 {[%emt 0:00:04]} Qd1 {Weighted Error Value: White=0.16 (very precise) /Black=0.16 (very precise)} (34... Qe4 $5 35. Bd2 $8 Qc2 $11) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.5"]
[White "Dolensky, Filip"]
[Black "Tillmann, Stanislav"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2108"]
[BlackElo "1907"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,120,33,67,41,81,35,120,113,115,100,110,56,63,0,75,56,64,69,75,85,120,59,47,-20,89,-59,39,0,3,-144,50,-44,119,104,115,-53,85,83,252,31,214,0,0,-169,-87,-127,-148,-75,-88,-125,-59,-59,-107,-479,-489,-482,-483,-474,-473,-435,-332,-363,-324,-344,-319,-400,-376,-435,-443,-461,-379,-416,-416,-422,-431,-456,-433,-420,-418,-524,-506,-460,-406,-746,-624,-747,-729,-750,-750,-815,-760,-848,-838,-1170,-1150,-1127,-1085,-2067,-1997,-2129,-1200,-2360,-2216,-3345,-2788,-2608,-2537,-29957,-6203,-5197,-3117,-2497,-2436]} 1. d4 {[%emt 0:01:30]} Nf6 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:00:20]} d5 {[%emt 0:01:50]} 3. Bg5 {[%emt 0:00:31]} Ne4 {[%emt 0:01:59]} 4. Nxe4 {[%emt 0:01:27]} dxe4 {[%emt 0:00:02]} 5. c3 {[%emt 0:02:06]} h6 {[%emt 0:10:08]} 6. Bf4 {[%emt 0:03:20] [#] D01: Veresov Opening.} e6 $146 {[%emt 0:05:53]} ({Predecessor:} 6... c6 7. Qc2 Bf5 8. e3 Nd7 9. Nf3 exf3 10. Qxf5 g6 11. Qc2 fxg2 12. Bxg2 Qa5 13. b4 {1-0 Zhang,P (2636)-Laylo,D (2448) Manila PGMA Cup 1st 2006 (7)}) 7. e3 {[%emt 0:02:15]} (7. Qc2 $16) 7... Be7 {[%emt 0:03:16]} (7... b6 $14) 8. Qc2 $16 {[%emt 0:03:06] White is better.} f5 {[%emt 0:01:05]} 9. Bc4 {[%emt 0:02:32]} O-O {[%emt 0:02:09]} 10. Qb3 {[%emt 0:02:27]} (10. f3 $16) 10... Qd7 $1 $14 {[%emt 0:01:34]} 11. O-O-O {[%emt 0:13:56]} (11. d5 $14) 11... c6 {[%emt 0:01:28]} (11... a6 $11 {keeps the balance.}) 12. f3 $16 {[%emt 0:03:06]} b5 {[%emt 0:03:13]} 13. Be2 {[%emt 0:00:45]} a5 {[%emt 0:05:48]} 14. Qc2 {[%emt 0:05:46]} exf3 {[%emt 0:08:01]} 15. gxf3 {[%emt 0:03:23]} (15. Nxf3 $16 {Threatens to win with Rhg1.} Qe8 16. Ne5) 15... b4 {[%emt 0:02:00]} 16. c4 {[%emt 0:04:00]} (16. Kb1 $14) 16... Qa7 {[%emt 0:02:52] [#]} (16... c5 $11) 17. h4 {[%emt 0:07:33]} (17. c5 $1 $16) 17... a4 {[%emt 0:01:50]} ({Better is} 17... c5 $1 $15) 18. Qd2 {[%emt 0:03:09]} (18. c5 $5) 18... Nd7 {[%emt 0:01:20][%cal Oe6e5]} 19. e4 {[%emt 0:12:55]} (19. Nh3 $11) 19... Ba6 $2 {[%emt 0:03:22]} ({Black should try} 19... a3 $17 20. b3 e5 21. dxe5 fxe4) 20. Kb1 {[%emt 0:04:06]} (20. Nh3 $14) 20... Rad8 $2 {[%emt 0:08:55]} (20... b3 $15 {stays ahead.}) 21. Nh3 {[%emt 0:06:21][%cal Of4h6]} Bf6 {[%emt 0:11:28]} 22. Be3 $2 {[%emt 0:01:23]} (22. Qxb4 Bxd4 23. Qd6 (23. Qxa4 fxe4 24. Qxc6 Nc5 $17) (23. Bd6 c5 $17) 23... e5 24. Qxc6 fxe4 25. Bxh6 Qb6 26. Qxb6 Nxb6 $19) (22. Bd6 $16) 22... Qb7 {[%emt 0:01:38]} (22... fxe4 $15 {keeps the upper hand.} 23. fxe4 c5) 23. Rhg1 {[%emt 0:01:02]} Kh7 $2 {[%emt 0:01:31]} (23... b3 $16) 24. h5 $2 {[%emt 0:02:17]} (24. Nf4 $18 Rfe8 25. Nh5) 24... Rfe8 {[%emt 0:03:16] [#]} (24... e5 $14) 25. Rg6 $2 {[%emt 0:03:57]} (25. Bxh6 $1 $18 Nf8 26. Bg5 Rxd4 27. Qe3 Rxd1+ 28. Bxd1 (28. Rxd1 Bxg5 29. Nxg5+ Kg8 $18)) 25... Ne5 $1 $11 {[%emt 0:02:31][%mdl 64] Pin, Double Attack} 26. Qc1 $2 {[%emt 0:02:03]} Nxg6 $19 {[%emt 0:00:59]} 27. hxg6+ {[%emt 0:00:02]} Kxg6 {[%emt 0:05:11]} 28. e5 {[%emt 0:00:18]} Bh4 {[%emt 0:01:00]} 29. Nf4+ {[%emt 0:01:12]} Kh7 (29... Kf7 $17 {[%cal Oc6c5] And now ...c5! would win.} 30. Rg1 b3) 30. Rh1 $15 Bg5 {[%emt 0:01:48] Hoping for ...b3.} 31. Nd3 $2 {[%emt 0:00:44][%mdl 8192]} (31. Nh5 $17 {was the crucial defense.} Bxe3 32. Qxe3) 31... Bxe3 $19 {[%emt 0:00:26][%mdl 64] Deflection} 32. Qxe3 {[%emt 0:00:01]} Bxc4 {[%emt 0:00:54]} 33. Nc5 {[%emt 0:02:59]} Qb5 {[%emt 0:00:12]} 34. Bd1 {[%emt 0:00:31]} a3 {[%emt 0:01:15]} 35. b3 {[%emt 0:00:28]} Bd5 {[%emt 0:00:33]} 36. Rg1 {[%emt 0:00:30]} Qb6 {[%emt 0:02:22]} 37. Bc2 {[%emt 0:00:57]} Qc7 {[%emt 0:01:07]} 38. Qf4 {[%emt 0:01:45]} Qf7 {[%emt 0:02:10]} 39. Bd1 {[%emt 0:00:30]} Rb8 {[%emt 0:01:09]} 40. Be2 {[%emt 0:00:25]} g5 {[%emt 0:01:29][%cal Bg7g5,Bg5g4][%mdl 32]} 41. Qg3 {[%emt 0:31:57]} Rg8 {[%emt 0:32:03]} 42. Qh2 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 43. Nd7 {[%emt 0:00:00] [#]} Qg6 $1 {[%emt 0:00:00]} 44. f4 {[%emt 0:00:00] [#]} (44. Nf6+ Kh6) 44... g4 $1 {[%emt 0:00:00]} 45. Qh4 {[%emt 0:00:00]} Rbf8 {[%emt 0:00:00][%cal Bb8f8,Bf8f7,Bf7h7][%mdl 32]} 46. Nc5 {[%emt 0:00:00]} (46. Nxf8+ $142 Rxf8 47. Kc2) 46... Rf7 {[%emt 0:00:00]} 47. Bc4 {[%emt 0:00:00]} Bxc4 {[%emt 0:00:00]} 48. bxc4 {[%emt 0:00:00]} Kh8 {[%emt 0:00:00]} 49. Qg3 {[%emt 0:00:27]} Rh7 {[%emt 0:00:00]} 50. Rh1 {[%emt 0:00:30]} Rd8 {[%emt 0:00:00]} 51. Nb3 {[%emt 0:00:42] [#]} h4 $1 {[%emt 0:00:00]} 52. Rxh4 {[%emt 0:00:11]} Kg7 {[%emt 0:00:00] ...Rdh8 would be deadly.} 53. Nc5 {[%emt 0:01:19]} Rdh8 {[%emt 0:00:53]} ({And not} 53... Rxd4 54. Rxh7+ Kxh7 55. Qh4+ Kg7 56. Qe7+ Kh6 57. Qh4+ Qh5 58. Qf6+ Qg6 59. Qh4+ (59. Qh8+ Qh7 $11) 59... Qh5 60. Qf6+ Qg6 61. Qh4+ $11 (61. Qh8+ Qh7 $11)) 54. Rxh7+ {[%emt 0:01:39]} Rxh7 {[%emt 0:00:07][%mdl 4096] Endgame KQR-KQN} 55. d5 {[%emt 0:01:23]} cxd5 {[%emt 0:00:58]} 56. cxd5 {[%emt 0:00:07]} exd5 {[%emt 0:01:36] ( -> ...Rh1+)} 57. Qg1 {[%emt 0:01:55] Dodges Rh1} Qh6 {[%emt 0:01:22][%cal Oh6h1] Strongly threatening ...Qh1!} 58. Qd4 {[%emt 0:00:16]} Qh1+ {[%emt 0:00:10]} 59. Kc2 {[%emt 0:00:07]} Qg2+ {[%emt 0:00:55]} 60. Kb3 {[%emt 0:00:29] [#]} Qb2+ $1 {[%emt 0:00:19] Quite a comeback for Black. Excellently played by Tillmann!   Weighted Error Value: White=0.74/Black=0.45} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.6"]
[White "Svoboda, Daniel"]
[Black "Werner, Hong Quan Dan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1748"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,50,6,28,31,200,145,228,229,279,231,325,243,321,215,529,285,694,250,226,-125,-125,-127,-124,-123,-135,-325,-320,-475,-468,-29981,-29982]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:19]} 2. c3 {[%emt 0:00:32]} d5 {[%emt 0:00:46]} 3. exd5 {[%emt 0:00:17]} Qxd5 {[%emt 0:00:12]} 4. d4 {[%emt 0:00:19]} Nc6 {[%emt 0:00:39]} 5. Nf3 {[%emt 0:00:59]} Bg4 {[%emt 0:02:01]} 6. Be2 {[%emt 0:05:04]} e6 {[%emt 0:12:05]} 7. O-O {[%emt 0:10:05]} Nf6 {[%emt 0:03:40]} 8. Be3 {[%emt 0:01:11]} cxd4 {[%emt 0:05:09]} 9. cxd4 {[%emt 0:00:29]} Be7 {[%emt 0:03:18]} 10. h3 {[%emt 0:02:02]} Bh5 {[%emt 0:00:37]} 11. Nc3 {[%emt 0:01:49]} Qa5 {[%emt 0:01:52]} 12. Qb3 {[%emt 0:09:35] B22: Sicilian: 2 c3.} O-O-O {[%emt 0:12:39]} (12... Qb4 $14) 13. Rac1 {[%emt 0:20:15] [#]} Bxf3 $146 {[%emt 0:22:33]} (13... Qb4 $16) ({Predecessor:} 13... Kb8 14. Bf4+ Ka8 15. Qb5 Bd6 16. Qxa5 Nxa5 17. Bxd6 Rxd6 18. Nb5 Rb6 19. Rc7 Nd5 {1-0 Trevis,R (1092)-Jostov,K (1078) SF-2011-0-00127}) 14. Bxf3 $18 {[%emt 0:05:25] White is clearly better.} Nd5 {[%emt 0:00:04]} 15. Nxd5 {[%emt 0:13:56]} exd5 {[%emt 0:00:06]} (15... Rxd5 $142 16. Rc3 (16. Bxd5 Qxd5 17. Qd1 Rd8 $18) 16... Rhd8) 16. Bf4 {[%emt 0:06:05] [#] Threatening mate with Bg4+. A strong pair of Bishops.} g6 {[%emt 0:02:56]} 17. Rfe1 {[%emt 0:11:08] White threatens Rxc6+ and mate.} Bb4 $2 {[%emt 0:02:12]} (17... Bd6 {is a better chance.}) 18. Re2 {[%emt 0:06:11] Threatens to win with Rec2.} Rhf8 $2 {[%emt 0:16:36]} (18... Bd6) 19. a3 $2 {[%emt 0:00:52]} (19. Rec2) 19... Bd6 {[%emt 0:00:09][%cal Bb4d6,Bd6f4,Bf4c1][%mdl 32]} 20. Bxd5 $2 {[%emt 0:00:37]} (20. Qxd5 $2 {too greedy.} Qxd5 21. Bxd5 Bxf4 $19) (20. Bh6 $18 {[%cal Of3d5]} Rfe8 21. Rxe8 (21. Qxd5 $2 Qxd5 22. Bxd5 Rxe2 $19) 21... Rxe8 22. Be3 (22. Qxd5 $2 Re1+ {[%mdl 64] Back Rank} 23. Rxe1 Qxe1#)) 20... Bxf4 $17 {[%emt 0:02:45]} 21. Bxc6 {[%emt 0:00:26][%csl Gc6][%cal Rb3b7]} ({But not} 21. Re7 $2 Qb6 22. Rc3 Qxb3 23. Bxb3 Rxd4 $19) 21... Qb6 {[%emt 0:03:26]} 22. Bxb7+ {[%emt 0:03:13][%mdl 64] [#] Decoy} Kb8 $1 {[%emt 0:00:03] Really sharp!} 23. Qf3 {[%emt 0:00:52]} (23. Rc3 $17 Qxb7 24. Re7 {[%mdl 64] Pin} Qxb3 25. Rxb3+ Ka8 26. Rbb7) 23... Bxc1 $19 {[%emt 0:00:10]} ({Resist} 23... Rxd4 24. Rce1 Rfd8 25. Re8 Qxb7 26. Rxd8+ {[%mdl 64] Deflection} Rxd8 27. Qxf4+ Qc7 28. Qf6 $18) 24. Re7 {[%emt 0:00:05]} (24. Bc6 {was necessary.} Rxd4 25. Re7) 24... Qxd4 {[%emt 0:00:52]} 25. Qg3+ {[%emt 0:00:56]} (25. Bc6 $19 Qd1+ 26. Qxd1 Rxd1+ 27. Kh2) 25... Bf4 {[%emt 0:00:07] Weighted Error Value: White=1.95/Black=0.82} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.7"]
[White "Seidl, Jan"]
[Black "Tesar, Jakub"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2025"]
[BlackElo "1960"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,91,0,0,-31,-21,-38,-16,-54,-18,-64,-36,-39,0,7,0,0,17,0,16,21,6,14,4,-23,-11,-13,81,75,77,89,86,0,0,0,18,7,37,60,153,141,140,150,310,68,66,68,66,66,241,37,242,238,255,266,263,241,258,268,256,258,275,259,329,343,332,327,346,341,401,401,385,282,387,371,368,389,384,352,801,801,801,801]} 1. e4 {[%emt 0:00:20]} e6 {[%emt 0:00:15]} 2. d4 {[%emt 0:00:17]} d5 {[%emt 0:00:11]} 3. e5 {[%emt 0:00:22]} c5 {[%emt 0:00:11]} 4. c3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:04]} 5. Nf3 {[%emt 0:00:05]} Qb6 {[%emt 0:00:10]} 6. Bd3 {[%emt 0:00:15]} cxd4 {[%emt 0:00:20]} 7. O-O $1 {[%emt 0:00:08][%mdl 4] is now more promising than 7.cxd4. C02: French: Advance Variation.} Bd7 {[%emt 0:00:06]} 8. Re1 {[%emt 0:00:06]} Nge7 {[%emt 0:00:11]} 9. h4 {[%emt 0:00:07] The position is equal.} a6 {[%emt 0:00:07]} 10. h5 {[%emt 0:01:13]} (10. Nbd2 $11 {is superior.}) 10... g6 {[%emt 0:00:14]} 11. Nbd2 {[%emt 0:03:24]} dxc3 {[%emt 0:04:39]} (11... gxh5 $15 {feels stronger.} 12. Nb3 dxc3 13. bxc3 Ng6) 12. bxc3 $11 {[%emt 0:00:50]} gxh5 {[%emt 0:00:30] [#]} 13. c4 $146 {[%emt 0:03:32]} ({Predecessor:} 13. Ng5 Ng6 14. Qxh5 Ncxe5 15. Bxg6 fxg6 16. Qh3 Bg7 17. Rb1 Qc6 18. Qg3 h6 19. Nh3 {1-0 Clarke,B (2430)-Keetman,M (2133) BCF-chT1 S4 (4NCL) online Final 2021 (1.11)}) 13... Ng6 {[%emt 0:16:47] And now ...Bc5 would win.} 14. cxd5 {[%emt 0:17:08]} exd5 {[%emt 0:00:08]} 15. Rb1 {[%emt 0:08:17]} Qc7 {[%emt 0:01:56]} 16. Ng5 {[%emt 0:07:51]} Bg4 {[%emt 0:24:18]} ({Not} 16... Ncxe5 17. Ndf3 O-O-O 18. Rxe5 Nxe5 19. Nxe5 Qxe5 20. Nxf7 $18) 17. Qa4 {[%emt 0:02:26]} Be7 {[%emt 0:03:07]} 18. Ndf3 {[%emt 0:05:34]} Nf8 {[%emt 0:11:05]} (18... Rg8 $11 19. Ba3 (19. Nxh7 $2 {perishes.} Bxf3 20. Nf6+ Bxf6 $19) 19... h6 20. Bxe7 Qxe7) 19. Nd4 $16 {[%emt 0:06:11] White has more active pieces.} Qa5 {[%emt 0:06:00]} 20. Qxa5 {[%emt 0:01:39]} Nxa5 {[%emt 0:00:05] [#]} 21. f3 {[%emt 0:00:54]} ({Better is} 21. e6 $1 $16 {[%cal Re6f7]} Nxe6 22. Ngxe6 fxe6 23. f3) 21... Be6 {[%emt 0:03:56]} 22. Nf5 {[%emt 0:00:19] aiming for Nxe7.} Bxf5 {[%emt 0:06:40]} 23. Bxf5 {[%emt 0:00:40]} b5 {[%emt 0:02:13]} (23... h6 $5 24. Nh3 $8 Ne6 $11) 24. e6 {[%emt 0:00:35]} Bxg5 {[%emt 0:00:58]} (24... f6 $14 25. Nf7 Rg8) 25. exf7+ {[%emt 0:00:08]} Kxf7 {[%emt 0:00:11]} 26. Bxg5 {[%emt 0:00:03] [#] Intending Re7+ and mate.} Ng6 {[%emt 0:04:34] Wards off Re7+} (26... Ra7 $16) 27. Rbc1 $2 {[%emt 0:01:47]} (27. Be6+ $18 Kg7 28. Bd2) 27... Nc4 $1 $14 {[%emt 0:02:58]} 28. Be6+ {[%emt 0:00:09] This pair of bishops is nice.} Kg7 {[%emt 0:00:08]} 29. Bxd5 {[%emt 0:00:05]} Rac8 {[%emt 0:06:21] Black is on the road to losing.} (29... Rae8 $14) 30. Bb7 $2 {[%emt 0:03:38]} (30. Re6 $18) 30... Rce8 $2 {[%emt 0:00:32]} ({Black should try} 30... Rb8 $1 $14 31. Bd5 (31. Bxa6 Rb6 $14) 31... Rhe8) 31. Bxa6 $18 {[%emt 0:03:01] Strongly threatening Red1.} h6 {[%emt 0:03:49] Hoping for ...Rxe1+.} 32. Rxe8 {[%emt 0:00:20]} ({Less strong is} 32. Bxb5 Rxe1+ 33. Rxe1 hxg5 $16) 32... Rxe8 {[%emt 0:00:08]} 33. Bxb5 {[%emt 0:00:09]} Ra8 {[%emt 0:01:02]} 34. Bxh6+ {[%emt 0:00:34]} Kxh6 {[%emt 0:00:09]} 35. Bxc4 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRN} Ne5 {[%emt 0:02:28]} 36. Bb3 {[%emt 0:00:41]} h4 {[%emt 0:00:13]} 37. Kh2 {[%emt 0:01:21]} Kg5 {[%emt 0:01:06]} 38. Rc5 {[%emt 0:01:04]} Kf4 {[%emt 0:00:22]} 39. Kh3 {[%emt 0:00:41]} Rb8 {[%emt 0:00:00]} 40. Rd5 {[%emt 0:00:00]} (40. Kxh4 $2 Rh8#) 40... Rb4 {[%emt 0:00:00]} 41. Rd8 {[%emt 0:01:41]} Ng6 {[%emt 0:07:39]} 42. Rg8 {[%emt 0:00:34]} Rb6 {[%emt 0:01:05]} 43. Bc2 {[%emt 0:01:17]} Ne5 {[%emt 0:01:05]} 44. Rh8 {[%emt 0:00:49]} (44. Kxh4 $2 Rh6#) 44... Rb2 $2 {[%emt 0:01:31]} (44... Ke3 45. Rxh4 Kd2) 45. Rxh4+ {[%emt 0:00:06]} Kg5 {[%emt 0:00:23]} 46. f4+ {[%emt 0:00:04] Weighted Error Value: White=0.27 (precise) /Black=0.40} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.8"]
[White "Davidek, Zdenek"]
[Black "Hladky, Tadeas"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1957"]
[BlackElo "1973"]
[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 19,94,11,9,-12,0,0,-2,-20,-2,-21,-12,-12,-8,-56,-42,-60,-65,-56,-53,-80,-14,-120,-127,-152,-152,-158,-135,-129,-112,-111,-44,-192,-204,-169,-21,-93,-23,-41,25,24,76,-18,-35,-114,-100,-89,-84,-178,-136,-136,-136,-136,-136,-136,-136,-125,-137,-303,-136,-276,-264,-258,-258,-749,-639,-993,-920,-29963,-29952,-29970,-29971,-29970,-29972,-29971,-29972,-29972,-29971]} 1. d4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:20]} b6 {[%emt 0:00:14]} 4. g3 {[%emt 0:00:10]} Ba6 {[%emt 0:00:05]} 5. b3 {[%emt 0:09:41]} Bb4+ {[%emt 0:00:19]} 6. Bd2 {[%emt 0:00:25]} Be7 {[%emt 0:00:08]} 7. Bg2 {[%emt 0:00:10]} c6 {[%emt 0:00:35]} 8. O-O {[%emt 0:03:42]} d5 {[%emt 0:00:12]} 9. Qc2 {[%emt 0:06:00]} O-O {[%emt 0:01:14]} 10. Rd1 {[%emt 0:05:43]} Nbd7 {[%emt 0:01:05]} 11. Bg5 {[%emt 0:17:25] E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} Rc8 {[%emt 0:06:48]} 12. Nc3 {[%emt 0:06:36]} h6 {[%emt 0:17:31]} 13. Bxf6 {[%emt 0:01:42] The position is equal.} Bxf6 {[%emt 0:00:35]} 14. e4 {[%emt 0:03:30]} dxc4 {[%emt 0:04:45]} 15. e5 $1 {[%emt 0:03:55]} Be7 {[%emt 0:00:29] [#]} 16. Ne4 $146 {[%emt 0:01:14]} (16. Nd2 $11) ({Predecessor:} 16. Qe2 b5 17. bxc4 bxc4 18. Ne4 Nb6 19. Bf1 Qd5 20. a4 Qa5 21. h4 Rfd8 22. Ne1 {0-1 Ciolacu,A (2154)-Koellner,R (2407) Dortmund NRW Cup U20 2021 (4)}) 16... cxb3 {[%emt 0:08:48]} 17. axb3 {[%emt 0:00:06]} Nb8 {[%emt 0:00:06]} 18. Ra4 {[%emt 0:08:37]} Rc7 {[%emt 0:02:00]} 19. Rda1 {[%emt 0:00:56]} Qc8 {[%emt 0:00:36]} (19... Bb5 $17 20. Rxa7 Rxa7 21. Rxa7 c5) 20. Nc3 {[%emt 0:06:58]} (20. Qd2 $11) 20... Rd8 $17 {[%emt 0:06:50]} 21. Qa2 {[%emt 0:01:51][%cal Ra4a6]} c5 {[%emt 0:02:56]} 22. d5 {[%emt 0:06:26] [#] Strongly threatening d6.} exd5 {[%emt 0:00:21] Threatens to win with ...d4.} 23. Rxa6 {[%emt 0:00:08]} Nxa6 {[%emt 0:00:08]} (23... Qxa6 24. Qxa6 Nxa6 25. Nb5 $11) 24. Qxa6 {[%emt 0:00:04]} c4 {[%emt 0:02:51]} (24... Qxa6 $17 25. Rxa6 c4) 25. bxc4 {[%emt 0:02:11]} (25. Qxc8 $1 $15 Rcxc8 26. bxc4 dxc4 27. Bh3 (27. Rxa7 Bb4 $17)) 25... Qxa6 $19 {[%emt 0:00:49]} 26. Rxa6 {[%emt 0:00:12]} Rxc4 {[%emt 0:00:51]} (26... dxc4 $19 {Hoping for ...Bb4.} 27. Ra1 Bb4) 27. Rxa7 {[%emt 0:01:23]} (27. Nb5 $11) 27... Bc5 {[%emt 0:09:21]} (27... Rxc3 $17 28. Rxe7 d4) 28. Na4 {[%emt 0:02:31]} Rc2 {[%emt 0:07:56]} ({Better is} 28... Rc1+ $15 29. Bf1 d4) 29. Nxc5 $11 {[%emt 0:00:26]} bxc5 {[%emt 0:00:05]} (29... Rc1+ $1 $11 {keeps the balance.} 30. Bf1 bxc5) 30. Ra1 {[%emt 0:00:16]} ({White should try} 30. Bh3 $16) 30... d4 {[%emt 0:01:31][%cal Bd5d4,Bd4d3][%mdl 1056] White must now prevent ...d3. Black has compensation.} 31. Rd1 {[%emt 0:01:43]} (31. e6 $1 $15) 31... d3 $17 {[%emt 0:04:54]} 32. Ne1 {[%emt 0:01:09][%csl LRc2,LRd3] Repels c4} Rc3 {[%emt 0:00:21]} 33. Kf1 {[%emt 0:01:17]} (33. Be4 $17 {is a better defense.}) 33... c4 {[%emt 0:01:12] [#] ...d2 is the strong threat.} 34. Be4 {[%emt 0:01:20]} Rd4 {[%emt 0:01:38]} 35. f3 {[%emt 0:04:19]} Ra3 {[%emt 0:08:30]} 36. Kf2 {[%emt 0:02:13]} Ra2+ {[%emt 0:01:00]} 37. Ke3 {[%emt 0:00:45]} Rd8 {[%emt 0:00:04] Black is much more active.} 38. h4 $2 {[%emt 0:02:44]} (38. f4 $17 {keeps fighting.}) 38... Re2+ $19 {[%emt 0:00:51]} 39. Kf4 {[%emt 0:00:05]} Rd4 {[%emt 0:02:49]} 40. h5 {[%emt 0:01:27]} Kf8 {[%emt 0:04:20]} 41. Nxd3 $2 {[%emt 0:11:56]} (41. e6) 41... cxd3 {[%emt 0:00:15][%cal Bc4d3,Bd3d2][%mdl 4128] Endgame KRR-KRB} 42. e6 {[%emt 0:01:57]} fxe6 {[%emt 0:01:32] ( -> ...d2)} 43. Ke5 {[%emt 0:00:16]} Rd8 {[%emt 0:00:11] Black mates.} 44. Kxe6 {[%emt 0:00:18]} d2 {[%emt 0:00:30]} 45. Kf5 {[%emt 0:00:23]} Re1 {[%emt 0:00:41]} 46. Bc2 {[%emt 0:00:04]} Rxd1 {[%emt 0:00:17]} 47. Bxd1 {[%emt 0:00:04]} Re8 {[%emt 0:00:04] Weighted Error Value: White=0.76/Black=0.23 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.9"]
[White "Zezula, Jakub"]
[Black "Mametev, Artem"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1963"]
[BlackElo "2074"]
[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 21,64,25,27,0,0,0,1,0,0,-50,-10,-10,0,-10,0,0,0,0,0,0,0,0,0,0,0,-11,-12,-188,-181,-168,-97,-409,-403,-417,-391,-379,-371,-515,-505,-551,-483,-6319,-6303,-6195,-2816]} 1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:11]} d6 {[%emt 0:00:03]} 3. Bb5+ {[%emt 0:00:06]} Bd7 {[%emt 0:00:04]} 4. Bxd7+ {[%emt 0:00:06]} Qxd7 {[%emt 0:00:01]} 5. c4 {[%emt 0:00:12]} Nc6 {[%emt 0:00:23]} 6. d4 {[%emt 0:00:10]} cxd4 {[%emt 0:00:03]} 7. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:06]} 8. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:00:06]} 9. f3 {[%emt 0:00:25]} Bg7 {[%emt 0:00:04]} 10. Be3 {[%emt 0:00:08]} O-O {[%emt 0:00:08]} 11. O-O {[%emt 0:00:08]} a6 {[%emt 0:00:05]} 12. b3 {[%emt 0:04:58] 12.Nb3 is the recent fashion. B52: Sicilian: Moscow Variation with 3...Bd7.} Nxd4 {[%emt 0:01:39]} 13. Bxd4 {[%emt 0:00:22]} b5 {[%emt 0:00:07]} 14. Nd5 {[%emt 0:11:57] The position is equal.} Nxd5 {[%emt 0:01:35]} 15. Bxg7 {[%emt 0:02:20]} (15. cxd5 $11 Bxd4+ 16. Qxd4) 15... Kxg7 {[%emt 0:00:16]} (15... Ne3 $5 {[%cal Re3d1]} 16. Qe2 Kxg7 17. Qxe3 bxc4 $11) 16. cxd5 {[%emt 0:01:28]} Rfc8 {[%emt 0:06:33]} 17. Rc1 {[%emt 0:03:02]} Rxc1 {[%emt 0:11:19]} 18. Qd4+ {[%emt 0:03:35]} Kg8 {[%emt 0:00:25]} 19. Rxc1 $11 {[%emt 0:00:06][%mdl 4096] Endgame KQR-KQR} Rc8 {[%emt 0:00:15] [#]} 20. Rc3 $146 {[%emt 0:03:26]} ({Predecessor:} 20. Rxc8+ Qxc8 21. Qb6 Qc1+ 22. Kf2 Qd2+ 23. Kg3 Kg7 24. h4 f5 25. Qxa6 Qe1+ 26. Kh2 Qxh4+ {½-½ Zayan,O (2208)-Gagare,S (2421) Abu Dhabi op 22nd 2014 (5)}) 20... Rc7 {[%emt 0:03:20]} 21. Kf1 {[%emt 0:13:56]} Qc8 {[%emt 0:01:39]} 22. Rxc7 {[%emt 0:00:09]} Qxc7 {[%emt 0:00:01] KQ-KQ} 23. Ke2 {[%emt 0:04:00]} Qc1 {[%emt 0:13:11]} 24. Qd2 $2 {[%emt 0:09:33]} (24. Qd1 $11 {and White has nothing to worry.} Qg5 25. g3) 24... Qg1 $19 {[%emt 0:00:52][%csl LRg2,LRh2]} 25. Qg5 {[%emt 0:04:01] [#]} Qxh2 {[%emt 0:18:42]} (25... h6 $1 $19 {[%cal Rh6g5]} 26. Qg4 Kg7) 26. Qxe7 {[%emt 0:04:33][%mdl 8192]} (26. Kf2 $17) 26... Qxg2+ {[%emt 0:00:05]} 27. Ke3 {[%emt 0:02:26]} Qg1+ {[%emt 0:01:23]} ({Worse is} 27... Qxa2 28. Qxd6 Qa1 29. Qd8+ Kg7 30. Qe7 $11) 28. Ke2 {[%emt 0:00:22]} Qh2+ {[%emt 0:00:19]} 29. Ke3 {[%emt 0:01:47]} h5 {[%emt 0:01:04] [#] ...h4 would be deadly. Black is clearly winning.} ({Weaker is} 29... Qxa2 30. Qxd6 Qb2 31. Qe7 $11 (31. Qxa6 Qxb3+ 32. Ke2 Qb2+ 33. Ke3 Qc1+ 34. Ke2 Qc4+ 35. Ke3 Qc3+ 36. Ke2 Qc4+ 37. Ke3 Qc5+ 38. Ke2 Qc4+ $11)) 30. Qe8+ {[%emt 0:00:42]} Kg7 {[%emt 0:00:11] aiming for ...h4.} 31. e5 {[%emt 0:00:59]} (31. Qc6 $142 h4 32. Qc3+ f6 33. Qe1) 31... Qxe5+ {[%emt 0:00:49]} 32. Qxe5+ {[%emt 0:00:28]} dxe5 {[%emt 0:00:03] Weighted Error Value: White=0.93/Black=0.08 (flawless)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.10"]
[White "Hozda, Max"]
[Black "Mohapl, Tomas"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "2067"]
[BlackElo "1946"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,92,34,41,1,37,43,36,34,58,54,52,27,21,17,38,21,53,46,36,46,33,31,43,39,53,38,61,54,74,66,60,57,45,43,67,57,90,60,102,93,98,77,80,77,86,84,87,88,213,214,202,37,48,0,6,0,101,23,50,59,56,35,33,-66,0,0,-7,-34,-29,-52,0,-256,-275,-270,-262,-266,-258,-251,-250,-275,-142,-390,-384]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:06]} 2. c4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:01:32]} Bg4 {[%emt 0:00:33]} 4. Bf4 {[%emt 0:14:55]} e6 {[%emt 0:19:06]} 5. e3 {[%emt 0:02:35]} Nf6 {[%emt 0:08:38]} 6. Nc3 {[%emt 0:14:52]} Bb4 {[%emt 0:11:50]} 7. Qb3 {[%emt 0:11:49] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} O-O {[%emt 0:14:23]} 8. Ne5 {[%emt 0:02:17]} Bxc3+ {[%emt 0:09:14]} 9. bxc3 {[%emt 0:04:36] [#] White is slightly better.} Na5 $146 {[%emt 0:08:50]} ({Predecessor:} 9... Nxe5 10. dxe5 Nh5 11. Qxb7 d4 12. Qb2 g5 13. Bg3 dxe3 14. f3 Bf5 15. Qc1 Rb8 16. Qxe3 {0-1 Cleven,M (2037)-Kloke,S (2112) NRW Class1 0607 2006 (1.7)}) 10. Qa4 {[%emt 0:02:33] Black must now prevent Nxg4.} Nxc4 {[%emt 0:02:04]} 11. Nxg4 {[%emt 0:01:57]} Nxg4 {[%emt 0:00:50]} 12. Bxc4 {[%emt 0:00:38]} dxc4 {[%emt 0:00:07]} 13. Qxc4 {[%emt 0:01:44]} c6 {[%emt 0:01:39]} 14. f3 {[%emt 0:04:57]} Nf6 {[%emt 0:01:18]} 15. e4 {[%emt 0:01:11] Against Nd5} Nh5 {[%emt 0:03:33]} 16. Be3 {[%emt 0:01:35]} Qh4+ {[%emt 0:05:35]} 17. Bf2 {[%emt 0:01:35]} Qg5 {[%emt 0:00:34]} 18. g3 {[%emt 0:02:16]} e5 {[%emt 0:02:31]} 19. O-O {[%emt 0:13:51]} exd4 {[%emt 0:02:09]} 20. cxd4 {[%emt 0:00:49]} (20. Qxd4 Rfd8 21. Qe3 Qxe3 22. Bxe3 Rd3 $11) (20. Bxd4 Nxg3 21. hxg3 Qxg3+ 22. Kh1 Qh3+ 23. Kg1 Qg3+ 24. Kh1 Qh3+ 25. Kg1 Qg3+ $11) 20... Nf4 {[%emt 0:04:13]} 21. h4 {[%emt 0:00:31]} Qg6 {[%emt 0:00:40]} 22. Kh2 {[%emt 0:00:23]} Ne6 {[%emt 0:01:28]} 23. Rab1 {[%emt 0:00:35]} Nd8 {[%emt 0:01:34]} 24. Rfe1 {[%emt 0:03:23] Black is weak on the dark squares} b6 {[%emt 0:00:40]} 25. Rbc1 {[%emt 0:00:53]} Qd6 {[%emt 0:00:43]} 26. Be3 {[%emt 0:01:36]} Qd7 {[%emt 0:00:31]} 27. Red1 {[%emt 0:01:09]} Rc8 {[%emt 0:00:21]} 28. d5 {[%emt 0:00:42]} c5 {[%emt 0:00:05]} 29. e5 {[%emt 0:00:40]} b5 {[%emt 0:00:33]} (29... Re8 $16 {was worth a try.}) 30. Qe4 $1 $18 {[%emt 0:00:33]} c4 {[%emt 0:00:13]} 31. Bg5 $2 {[%emt 0:03:38]} (31. e6 $1 $18 {[%cal Re6d7]} Nxe6 32. dxe6 Qxe6 33. Qxe6 (33. Bxa7 Qxe4 34. fxe4 Ra8 $16) 33... fxe6 34. Kg2 (34. Bxa7 Ra8 $16)) 31... Re8 {[%emt 0:00:42]} 32. Re1 {[%emt 0:02:31]} (32. a4 $14) 32... h6 {[%emt 0:00:38]} 33. Bf4 {[%emt 0:00:35]} Rc5 {[%emt 0:00:43] [#]} (33... c3 $11 {remains equal.}) 34. Red1 {[%emt 0:01:43]} (34. Rcd1 $1 $16) 34... a5 {[%emt 0:00:21]} (34... c3 {is more complex.} 35. a4 a6 36. Be3 Rc8) 35. Be3 {[%emt 0:00:47]} Rc8 {[%emt 0:00:01]} 36. Bb6 {[%emt 0:00:37]} Nb7 {[%emt 0:01:01]} 37. Re1 {[%emt 0:01:34]} (37. d6 $14) 37... Nc5 {[%emt 0:00:33]} ({Black should try} 37... c3 $1 $15) 38. Bxc5 $11 {[%emt 0:00:46]} Rxc5 {[%emt 0:00:01]} 39. e6 {[%emt 0:00:25]} (39. Rcd1 $5 {[%cal Re5e6]}) 39... fxe6 {[%emt 0:00:50]} (39... Rxd5 $2 40. exd7 Rd2+ 41. Kg1 Rxe4 42. Rxe4 $18) 40. dxe6 {[%emt 0:00:16]} Qd5 {[%emt 0:00:40]} ({Of course not} 40... Qd2+ 41. Kh3 $11) (40... Qc6 $1 $15) 41. f4 $2 {[%emt 0:11:12][%mdl 8192] [#]} (41. Qg6 $11 {and White stays safe.} Rcc8 42. Qf7+ Kh8 43. Rcd1) 41... Qxe4 $1 $19 {[%emt 0:11:43]} 42. Rxe4 {[%emt 0:00:02]} c3 {[%emt 0:00:56]} 43. g4 {[%emt 0:01:25]} Kf8 {[%emt 0:03:19]} 44. f5 {[%emt 0:04:05]} b4 {[%emt 0:03:33]} 45. Kg3 {[%emt 0:01:16]} Ke7 {[%emt 0:02:34]} (45... Rb8 $19 {Hoping for ...Ke7.} 46. e7+ Ke8) 46. Rd4 $2 {[%emt 0:02:31]} (46. Kf4 $17) 46... Rd8 {[%emt 0:03:06] Never resign too early!   Weighted Error Value: White=0.36/Black=0.22 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.11"]
[White "Sigut, Ondrej"]
[Black "Prazak, Daniel"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1804"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,66,10,-15,-16,-7,-8,0,-6,-33,-29,-29,-25,-27,-22,-37,-10,-20,-20,-9,-15,-51,-25,-70,-33,-41,0,14,34,25,27,28,43,0,20,1,0,-116,-90,-129,-140,-135,-104,-107,-81,-120,-36,-37,0,0,0,-535,-525,-29977,-29977]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:10]} 2. d4 {[%emt 0:00:11]} d5 {[%emt 0:00:07]} 3. exd5 {[%emt 0:00:13]} exd5 {[%emt 0:00:09]} 4. Bd3 {[%emt 0:00:09]} c5 {[%emt 0:00:40]} 5. dxc5 {[%emt 0:03:59]} Bxc5 {[%emt 0:00:08]} 6. Nf3 {[%emt 0:00:50]} Nf6 {[%emt 0:00:13]} 7. O-O {[%emt 0:01:01]} O-O {[%emt 0:00:13]} 8. Bg5 {[%emt 0:03:07]} h6 $1 {[%emt 0:00:09] 8...h6 is better than 8...Nc6. C01: French: Exchange Variation.} 9. Bh4 {[%emt 0:00:28]} g5 {[%emt 0:00:10]} 10. Bg3 {[%emt 0:00:05]} Ne4 {[%emt 0:00:09] The position is equal.} 11. Nbd2 {[%emt 0:14:24]} f5 {[%emt 0:03:54] And now ...Nc6 would win.} 12. Bxb8 {[%emt 0:05:14]} Rxb8 {[%emt 0:00:22]} 13. Nb3 {[%emt 0:01:29]} Bb6 {[%emt 0:02:07]} 14. Nfd4 {[%emt 0:04:07]} Qf6 {[%emt 0:05:35]} 15. c3 {[%emt 0:04:17]} Bd7 {[%emt 0:04:01] [#]} 16. a4 $146 {[%emt 0:05:42]} ({Predecessor:} 16. Qc2 Rbe8 17. Rad1 Bc8 18. Kh1 a6 19. Be2 Kh8 20. Bh5 Re7 21. Rde1 Bc7 22. f3 {0-1 Gunina,V (2502)-Gupta,A (2610) Gibraltar Masters 16th 2018 (5)}) 16... a6 {[%emt 0:04:23]} 17. Re1 {[%emt 0:08:51]} Rbe8 {[%emt 0:08:06]} 18. Qc2 {[%emt 0:04:47]} Bc7 {[%emt 0:13:39][%cal Bb6c7,Bc7b8,Bb8a7][%mdl 32]} 19. g3 {[%emt 0:14:18]} Kg7 {[%emt 0:11:12]} (19... Bb6 $15) 20. f3 $11 {[%emt 0:09:49]} Nd6 {[%emt 0:00:23]} 21. Nc5 {[%emt 0:01:10] Excellent horsemanship.} Bc8 {[%emt 0:01:26]} 22. a5 {[%emt 0:02:34]} Bb8 {[%emt 0:05:04]} 23. Rad1 {[%emt 0:04:10]} (23. Qb3 $5 {[%cal Rb3d5]}) 23... Ba7 {[%emt 0:01:23]} 24. Rxe8 {[%emt 0:01:17]} (24. b4 {feels hotter.} f4 25. Qd2 fxg3 26. hxg3 Nf7 27. Bb1) 24... Rxe8 {[%emt 0:00:36][%cal Bf8e8,Be8e5,Be5e1][%mdl 32]} 25. Ncb3 {[%emt 0:00:43]} (25. b4 $11) 25... Nc4 {[%emt 0:02:18]} (25... f4 {is interesting.} 26. Kh1 Re3 27. Qg2 Nc4) 26. Bxc4 {[%emt 0:00:56]} dxc4 {[%emt 0:00:06]} 27. Nc1 {[%emt 0:00:28]} Bd7 {[%emt 0:06:03] Black is more active.} 28. Kg2 {[%emt 0:01:54]} Re5 {[%emt 0:06:53]} 29. b4 {[%emt 0:03:46]} cxb3 {[%emt 0:00:50]} (29... Re3 $17 {Hoping for ...Bxd4.} 30. Nce2 Qe5) 30. Qxb3 $15 {[%emt 0:00:46]} Bc6 {[%emt 0:01:02]} (30... Rxa5 $2 31. Qxb7 Qf7 32. Qxa7 $18) 31. Nxc6 $1 {[%emt 0:01:56]} Qxc6 {[%emt 0:00:05]} ({But not} 31... bxc6 32. Rd7+ Re7 33. Qb7 (33. Rd8 Qf7 $11) 33... Rxd7 34. Qxd7+ Qf7 35. Qxc6 $14) 32. Rd3 $2 {[%emt 0:01:31][%mdl 8192]} (32. Rd8 $11 {and White stays safe.} Re6 33. Qd1) 32... Re1 $19 {[%emt 0:03:17]} (32... Rxa5 33. Rd8 Bc5 34. Qg8+ Kf6 35. Qh8+ Kf7 36. Qh7+ Ke6 37. Qxh6+ Kf7 38. Qh7+ Ke6 39. Qg6+ Ke7 40. Qxg5+ Qf6 41. Re8+ {[%mdl 64] Deflection} Kxe8 42. Qxf6 $18) 33. Rd1 {[%emt 0:01:11] [#]} g4 $1 {[%emt 0:01:46] Weighted Error Value: White=0.67/Black=0.18 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.12"]
[Round "2.12"]
[White "Mrazek, Adam"]
[Black "Vilimek, Vit"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1745"]
[BlackElo "2018"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,65,43,26,57,36,31,13,14,27,32,-5,0,-8,-12,-56,-61,-86,-28,-27,-25,-26,-10,-12,0,-14,0,-27,-27,-21,-41,-85,-80,-93,-89,-350,-339,-309,-194,-567,-584,-759,-750,-29993,-29994,-29998,-29999,-29999]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 c6 7. Nc3 Qa5 8. e4 e5 9. d5 cxd5 10. cxd5 b5 {[%cal Bb7b5,Bb5b4,Bb4b3][%mdl 32]} 11. Re1 (11. Nd2 $5 {[%cal Ra2a4]}) 11... Na6 {[#] E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 12. Nd2 $146 (12. a4 {looks sharper.} Nc5 13. b4 Qxb4 14. Nxb5 Ncxe4 15. Ba3) ({Predecessor:} 12. a3 b4 13. Na4 Bd7 14. axb4 Qxb4 15. Bd2 Qb7 16. Bc3 Bb5 17. Nd2 Qd7 18. Bf1 Bxf1 19. Nxf1 {0-1 Anderton,D (2172)-Palliser,R (2444) BCF-chT1a 1415 (4NCL) 2014 (3.146)}) 12... Nc5 13. Nb3 Nxb3 {The position is equal.} 14. Qxb3 b4 15. Nd1 Nd7 $1 16. Bd2 Nc5 $1 17. Qc2 Ba6 $1 18. Bf1 {Prevents Bd3} Bxf1 (18... Rac8 $17 {[%cal Oc5d3] White must now prevent ...Nd3!} 19. Qb1 Bxf1 20. Rxf1 f5 21. exf5 gxf5) 19. Rxf1 $11 {[#]} b3 $1 20. Qc1 Qa4 21. Nc3 Qc4 22. Qb1 (22. Be3 $5 {[%cal Re3c5]}) 22... f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 23. axb3 Nxb3 24. Ra4 Qc8 25. Qc2 Nd4 26. Qd3 f4 {Prevents Be3. ...Qh3 is the strong threat.} 27. Raa1 $2 {[%mdl 8192] White does not recover from this.} (27. f3 $17) 27... Qh3 $19 {( -> ...f3)} 28. Kh1 Bh6 $40 {[%mdl 128] Black goes for the king.} ({And not} 28... f3 29. Rg1 $17) ({Wrong is} 28... Nb3 $2 29. Rad1 $19) 29. Rab1 $2 (29. Rg1 {nothing else works.}) 29... fxg3 {[%mdl 64] [#] Discovered Attack} 30. fxg3 Bxd2 31. Rxf8+ Rxf8 {Black mates.} 32. Qxd2 Rf1+ {[%mdl 64] Back Rank} 33. Rxf1 Qxf1# {Weighted Error Value: White=0.94/Black=0.14 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.1"]
[White "Janous, Marek"]
[Black "Paseka, Matyas"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2124"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,80,23,31,21,22,22,22,36,38,37,45,38,57,25,32,32,27,17,50,56,104,104,106,99,104,83,88,87,77,87,79,72,93,0,0,0,-21,-127,-120,-163,-165,-147,-132,-170,-137,-229,-189,-306,-303,-309,-290,-420,-406,-601,-445,-429,-429,-416,-441,-462,-439,-653,-628,-645,-632,-617,-606,-725,-753]} 1. e4 {[%emt 0:00:08]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:10]} 3. Bb5 {[%emt 0:01:12]} g6 {[%emt 0:00:09]} 4. Bxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:00:07]} 5. O-O {[%emt 0:00:33]} Bg7 {[%emt 0:00:15]} 6. Re1 {[%emt 0:00:39]} Nh6 {[%emt 0:00:26] 6...Qc7 deserves study.} 7. c3 {[%emt 0:06:17]} O-O {[%emt 0:00:36]} 8. d3 {[%emt 0:01:17] B31: Sicilian: 2...Nc6 3 Bb5 g6.} d6 {[%emt 0:03:25]} 9. h3 {[%emt 0:01:15]} f5 {[%emt 0:05:03]} 10. e5 {[%emt 0:24:28] The position is equal.} Nf7 {[%emt 0:04:36]} 11. Bf4 {[%emt 0:15:55]} h6 {[%emt 0:07:57]} 12. h4 $1 {[%emt 0:05:05]} e6 {[%emt 0:10:09]} 13. Qd2 {[%emt 0:04:35] [#]} (13. exd6 {is interesting.} g5 14. Be5 g4 15. Bxg7 Kxg7 16. Ne5) 13... d5 $146 {[%emt 0:22:03]} ({Predecessor:} 13... dxe5 14. Nxe5 Nxe5 15. Bxe5 Qxh4 16. Na3 Rd8 17. Bxg7 Kxg7 18. Qe3 Rb8 19. Qe5+ {1-0 Engel,L (2553)-Martin,J (2387) GER-chT Christmas U20 blitz 2020 (7.1)}) 14. d4 {[%emt 0:01:39]} c4 {[%emt 0:00:35]} 15. b3 {[%emt 0:00:19]} cxb3 {[%emt 0:03:18]} 16. axb3 {[%emt 0:00:10][%cal Ba2b3,Bb3b4][%mdl 32]} Rb8 {[%emt 0:00:06] [#] Black is weak on the dark squares} (16... a5 $14) 17. b4 $1 $16 {[%emt 0:00:33]} ({Don't take} 17. Rxa7 Rxb3 18. Qe3 Qb6 $14) 17... a6 {[%emt 0:04:00]} 18. Qe3 {[%emt 0:03:19]} Kh7 {[%emt 0:01:51][%cal Bg8h7,Bh7g7,Bg7f8][%mdl 32]} 19. Kh2 {[%emt 0:11:29]} Rg8 {[%emt 0:00:25]} 20. Rh1 {[%emt 0:00:12]} Bf8 {[%emt 0:00:39]} 21. Kg1 {[%emt 0:00:30]} Be7 {[%emt 0:00:42]} 22. Nbd2 {[%emt 0:00:59]} Kg7 {[%emt 0:00:53]} 23. Nf1 {[%emt 0:13:59]} (23. Bh2 $16) 23... g5 $11 {[%emt 0:00:38]} 24. hxg5 {[%emt 0:00:38]} hxg5 {[%emt 0:00:06]} 25. Ng3 {[%emt 0:04:26]} gxf4 $17 {[%emt 0:01:21]} 26. Qxf4 {[%emt 0:00:44]} Kf8 {[%emt 0:04:02]} 27. Nh5 {[%emt 0:01:59][%cal Oh5f6]} Ng5 {[%emt 0:05:20]} 28. Nd2 {[%emt 0:01:11]} Rb7 {[%emt 0:02:30][%cal Oa6a5]} 29. f3 {[%emt 0:00:17]} (29. Qe3 $17) 29... Nf7 {[%emt 0:01:17] [#] ...Bg5 is the strong threat.} 30. Nf6 {[%emt 0:00:33]} (30. Nb3 $142) 30... Bxf6 $19 {[%emt 0:00:16]} 31. exf6 {[%emt 0:00:09]} Qxf6 {[%emt 0:00:16] Strongly threatening ...e5.} 32. Kf2 {[%emt 0:00:17]} (32. Rxa6 {was worth a try.} e5 33. dxe5 Qxe5 34. Qxe5 Nxe5 35. Rh2) 32... e5 {[%emt 0:01:07][%cal Be6e5,Be5e4,Be4e3][%mdl 32]} 33. Qh4 {[%emt 0:00:29]} (33. dxe5 $142 Nxe5 34. Qh6+ Qxh6 35. Rxh6) 33... Qxh4+ {[%emt 0:00:11]} 34. Rxh4 {[%emt 0:00:01]} e4 {[%emt 0:00:15][%cal Oe4e3]} 35. Nb3 {[%emt 0:00:35]} Re7 {[%emt 0:00:18]} 36. Re1 {[%emt 0:00:22] Black is clearly winning.} Nd6 {[%emt 0:01:09]} 37. Na5 {[%emt 0:00:23]} (37. Rh6 $142 Re6 38. Rxe6 Bxe6 39. Nc1) 37... Reg7 {[%emt 0:00:47]} 38. Rh2 {[%emt 0:01:16]} f4 {[%emt 0:00:16] ...Rg3 would be deadly.} 39. Nxc6 {[%emt 0:00:11]} e3+ {[%emt 0:00:07]} 40. Kf1 {[%emt 0:00:18]} Nc4 {[%emt 0:01:06] Weighted Error Value: White=0.43/Black=0.12 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.2"]
[White "Fizer, Marek"]
[Black "Werner, Hong Quan Dan"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1929"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,83,23,10,17,-32,26,25,93,-17,-4,-8,-13,-17,-21,-31,21,-17,35,8,11,-4,16,3,12,-27,19,19,16,0,0,-77,-79,-147,-141,-187,-178,-476,0,0,0,-345,0,-218,-226,-225,-218,-218,188,173,588,573,539,239,450,389,731,728,708,730,710,718,721,710,685,364,364,371,377,380,1137,1158,1141,1073,1226,1205]} 1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:24]} 3. Nc3 {[%emt 0:00:24]} e5 {[%emt 0:08:11]} 4. Bc4 {[%emt 0:01:22]} Be7 {[%emt 0:00:34]} 5. d3 {[%emt 0:00:53]} Nf6 {[%emt 0:01:35]} 6. Ng5 {[%emt 0:04:54]} O-O {[%emt 0:03:50] B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. h4 $1 {[%emt 0:01:52][%mdl 4] is recently more successful than 7.f4.} (7. O-O $11 {feels stronger.}) 7... h6 {[%emt 0:03:09]} (7... Na5 $1 $15) 8. Nd5 $1 $11 {[%emt 0:07:45] [#] aiming for Nxf6+.} b5 $146 {[%emt 0:03:28]} (8... hxg5 $2 9. hxg5 g6 10. gxf6 Bxf6 11. Qf3 $18) (8... Nd4 $11) ({Predecessor:} 8... Nxd5 9. Bxd5 Nb4 10. Bb3 d5 11. a3 c4 12. dxc4 dxc4 13. Bxc4 Qxd1+ 14. Kxd1 hxg5 15. axb4 gxh4 {1-0 Sasikiran,K (2675)-Harika,D (2495) FIDE Chess.com Grand Swiss 2019 (3)}) 9. Bb3 {[%emt 0:00:30] White has more active pieces. The black rooks are badly placed.} (9. Nxf6+ $1 $16 Bxf6 10. Bd5) 9... Nd4 {[%emt 0:05:04]} (9... hxg5 $2 10. hxg5 g6 11. gxf6 Bxf6 12. Qf3 $18) 10. Nxf6+ $1 {[%emt 0:04:58]} Bxf6 {[%emt 0:00:19]} 11. Bd5 {[%emt 0:01:11] Against Bb7} Rb8 {[%emt 0:00:16]} 12. Qh5 {[%emt 0:16:31][%cal Rg5f7]} Ne6 {[%emt 0:04:08]} (12... hxg5 13. hxg5 Qa5+ 14. Kf1) (12... Qe8 $15 13. Kd1 Bb7) 13. Be3 {[%emt 0:03:23]} d6 {[%emt 0:01:49] [#]} (13... hxg5 14. hxg5 Qa5+ 15. c3) ({Better is} 13... c4 $11) 14. g3 $1 {[%emt 0:04:00]} Qe8 {[%emt 0:20:51]} (14... hxg5 15. hxg5 Qa5+ 16. c3) 15. O-O-O {[%emt 0:18:10]} Bb7 {[%emt 0:05:47] [#]} (15... hxg5 $2 16. hxg5 g6 17. Qh7#) 16. Qg4 $1 {[%emt 0:03:56][%cal Rg5e6]} Bc8 {[%emt 0:08:04]} (16... hxg5 17. hxg5 Bxg5 18. Qh3 $16 (18. Bxg5 f5 $16)) 17. Qh5 {[%emt 0:01:58]} Bb7 {[%emt 0:00:22]} (17... hxg5 $2 18. hxg5 g6 19. Qh7#) (17... Bd7 $142) 18. Bxb7 {[%emt 0:03:32]} Rxb7 {[%emt 0:00:07]} 19. f4 {[%emt 0:02:20][%cal Of4f5]} b4 {[%emt 0:04:32]} (19... hxg5 $2 20. hxg5 exf4 21. Qh8#) 20. f5 {[%emt 0:07:41]} (20. Kb1 $11 {keeps the balance.}) 20... Nd4 $17 {[%emt 0:00:44]} 21. Bxd4 {[%emt 0:01:23]} (21. b3 $142) 21... cxd4 {[%emt 0:03:18]} (21... exd4 22. b3 $11) 22. Kb1 {[%emt 0:01:56]} (22. b3 $17 {was called for.}) 22... Qa4 $19 {[%emt 0:02:28]} 23. g4 $2 {[%emt 0:04:24]} (23. b3 Qa3 24. Ka1) 23... Rc8 $2 {[%emt 0:03:36]} (23... hxg5 24. hxg5) (23... Rb5 $19 {Hoping for ...Ra5.} 24. Nh7 (24. b3 $2 Qa3 $19) 24... Kxh7) 24. Rh2 $40 {[%emt 0:01:45][%mdl 128] White has some attack.} Rc6 {[%emt 0:00:43] And now ...Ra6 would win.} (24... hxg5 $2 25. hxg5 Kf8 26. gxf6 $18) 25. Nf3 $2 {[%emt 0:02:46][%mdl 8192] White is weak on the dark squares} (25. b3 $11 {and White has nothing to worry.} Qa3 26. Nf3) 25... Rbc7 $2 {[%emt 0:04:22]} (25... Ra6 $19 26. Kc1 Qxa2) 26. Ne1 $2 {[%emt 0:01:08]} (26. g5 Rxc2 27. Rg1 Rxh2 28. Nxd4 Rxb2+ 29. Kxb2 Qa3+ 30. Kb1 Qxd3+) (26. b3 $1 $11 Qa3 27. g5) 26... Ra6 $19 {[%emt 0:01:50]} 27. g5 {[%emt 0:02:08] Strongly threatening Kc1.} Qxa2+ {[%emt 0:06:12]} 28. Kc1 {[%emt 0:00:06] [#]} Rac6 $4 {[%emt 0:04:40][%mdl 8192]} 29. gxf6 $18 {[%emt 0:01:12] Rg2 is the strong threat.} Qa1+ $2 {[%emt 0:01:05]} (29... d5) 30. Kd2 Qxb2 {[%emt 0:00:04][%cal Rc6c2] Threatens to win with ...Rxc2+.} 31. Rc1 {[%emt 0:01:32]} (31. Qg4 $142 {[%csl Gf6][%cal Rg4g7]} g5 32. fxg6 Rxc2+ 33. Nxc2 Qxc2+ 34. Ke1 Qxh2 35. gxf7+ Kxf7 36. Qg7+ {[%mdl 64] Skewer, Double Attack} Ke8 37. Qxc7 Qxh4+ 38. Kd2 Qxf6 39. Qb8+ Qd8 40. Qxb4) 31... b3 $2 {[%emt 0:00:15] [#]} (31... Qc3+ {is a better defense.} 32. Kd1 d5) 32. Qg4 $1 {[%emt 0:00:57][%csl Gf6][%cal Rg4g7]} (32. Kd1 bxc2+ 33. Rhxc2 Rxc2 34. Nxc2 (34. Rxc2 Qa1+ 35. Kd2 Rxc2+ 36. Nxc2 Qc3+ 37. Kc1 gxf6 $11) 34... Kh7 $11) 32... Kf8 {[%emt 0:02:58]} (32... Rxc2+ 33. Rxc2 Rxc2+ 34. Nxc2 Qxc2+ 35. Ke1 Qc1+ 36. Kf2 Qd2+ 37. Kg1 Qc1+ 38. Kg2 Qc2+ 39. Kg1 Qb1+ 40. Kg2 Qc2+ 41. Kf1 Qb1+ 42. Kg2 Qc2+) 33. Qxg7+ {[%emt 0:00:44]} (33. fxg7+ Kg8 34. f6 (34. Kd1 $2 Ra6 $19) 34... a5 $15) 33... Ke8 {[%emt 0:00:03]} 34. Qg8+ {[%emt 0:00:22][%mdl 64] Deflection} (34. Qxh6 Qa2 35. Ke2 b2 $15) 34... Kd7 {[%emt 0:00:04]} 35. Qxf7+ {[%emt 0:00:06]} Kc8 {[%emt 0:00:03]} 36. Qe6+ {[%emt 0:00:28]} Kb7 {[%emt 0:00:13]} 37. Qxb3+ {[%emt 0:00:37]} ({Worse is} 37. f7 Rxc2+ 38. Nxc2 Rxc2+ 39. Rxc2 Qxc2+ 40. Ke1 Qc1+ 41. Kf2 Qe3+ 42. Kg2 Qd2+ 43. Kh3 Qxd3+ 44. Kg2 (44. Kg4 Qd1+ 45. Kg3 Qd3+ 46. Kf2 Qc2+ 47. Kg3 Qd3+ 48. Kg4 Qd1+ 49. Kg3 Qd3+ $11) 44... Qxe4+ 45. Kg3 (45. Kf2 Qc2+ 46. Kg3 Qd3+ 47. Kg4 Qd1+ 48. Kg3 Qd3+ 49. Kg4 Qd1+ 50. Kg3 Qd3+ $11) 45... Qf4+ 46. Kg2 Qe4+ 47. Kg3 (47. Kf2 Qc2+ 48. Kg3 Qd3+ 49. Kg4 Qd1+ 50. Kg3 Qd3+ 51. Kg4 Qd1+ 52. Kg3 Qd3+ $11) 47... Qf4+ 48. Kg2 Qe4+ $11) 37... Qxb3 {[%emt 0:00:03]} 38. cxb3 {[%emt 0:00:04]} Rxc1 {[%emt 0:00:05]} 39. f7 $1 {[%emt 0:00:06]} Ra1 $2 {[%emt 0:01:00]} (39... Rxe1 40. f8=Q (40. f8=R $2 {is the wrong capture.} Rec1 $19) 40... Rec1) 40. f8=Q {[%emt 0:00:10] White is clearly winning.} (40. f8=R $2 {loses.} Ra2+ 41. Kd1 Rxh2 $19) 40... Ra2+ {[%emt 0:00:06]} 41. Kd1 {[%emt 0:30:11]} Rxh2 {[%emt 0:30:37]} 42. Qxd6 {[%emt 0:00:24] A brilliant game!   Weighted Error Value: White=0.74/Black=1.00} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.3"]
[White "Pelc, Adam"]
[Black "Seidl, Jan"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1871"]
[BlackElo "2025"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 19,144,19,22,7,24,19,41,17,21,7,50,18,21,23,25,17,102,32,33,0,46,34,42,52,51,51,85,104,81,69,146,90,97,0,109,0,101,83,102,17,81,16,15,25,36,39,28,37,31,27,63,42,111,63,114,112,82,53,41,-9,0,-50,0,0,0,0,134,-262,-264,-333,-333,-325,-325,-314,-308,-293,-275,-308,-308,-308,-265,-896,-844,-3254,-3000,-2086,-1814,-29972,-29972,-29970,-29965,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-858,-605,-605,-29954,-29959,-658,-456,-29967,-29968,-29968,-29970,-29969,-29971,-29970,-29972,-29971,-29971,-29990,-29991,-29991,-29992,-29992,-1606]} 1. Nf3 {[%emt 0:00:15]} Nf6 {[%emt 0:00:36]} 2. b3 {[%emt 0:01:21]} c5 {[%emt 0:00:55]} 3. Bb2 {[%emt 0:02:28]} g6 {[%emt 0:00:56]} 4. e3 {[%emt 0:03:43]} Bg7 {[%emt 0:00:16]} 5. Be2 {[%emt 0:03:50]} O-O {[%emt 0:01:31]} 6. O-O {[%emt 0:01:16]} Nc6 {[%emt 0:01:51]} 7. d4 {[%emt 0:02:54]} cxd4 {[%emt 0:00:31]} 8. Nxd4 {[%emt 0:04:42]} d6 {[%emt 0:03:49]} 9. c4 {[%emt 0:04:50]} a6 {[%emt 0:03:02]} 10. Nc3 {[%emt 0:04:49]} Bd7 {[%emt 0:02:47]} 11. a3 {[%emt 0:04:49] A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} Rc8 {[%emt 0:01:40]} 12. Rc1 {[%emt 0:02:42] [#]} Qb6 $146 {[%emt 0:03:57]} ({Predecessor:} 12... Re8 13. h3 Nxd4 14. exd4 e5 15. dxe5 dxe5 16. Nd5 Bc6 17. Nb4 Be4 18. Qxd8 Rcxd8 {½-½ Ju,W (2501)-Huang,Q (2465) World-ch (Women) k.o. 2012 (4.5)}) 13. Na4 {[%emt 0:01:09] White is slightly better.} Qc7 {[%emt 0:10:41]} 14. b4 {[%emt 0:13:31]} e5 {[%emt 0:15:19]} 15. Nxc6 {[%emt 0:10:43]} Bxc6 {[%emt 0:00:41]} 16. b5 {[%emt 0:00:29]} Bd7 {[%emt 0:04:42]} 17. c5 {[%emt 0:11:10]} Ne4 {[%emt 0:02:56]} (17... Bxb5 $11 {remains equal.} 18. Bxb5 axb5 19. cxd6 Qd8) 18. c6 {[%emt 0:06:47]} (18. bxa6 $6 Nxc5 19. Nxc5 dxc5 $11) (18. Nb6 $16 Nxc5 19. Nxc8 Bxc8 20. Qd2) 18... bxc6 $14 {[%emt 0:07:49]} 19. b6 {[%emt 0:00:06]} Qb7 {[%emt 0:01:56]} (19... Qb8 $11 {might be stronger.}) 20. f3 {[%emt 0:06:35]} Nc5 {[%emt 0:00:18]} 21. Nxc5 {[%emt 0:04:04]} dxc5 {[%emt 0:00:09]} 22. Bc3 $36 {[%emt 0:00:46][%mdl 2048] White is pushing.} Be6 {[%emt 0:03:16]} 23. Rb1 {[%emt 0:00:24][%mdl 1024] White has strong compensation.} Rcd8 {[%emt 0:00:32]} 24. Qa4 {[%emt 0:00:30]} Bc8 {[%emt 0:00:05]} (24... Bh6 $14) 25. Qc4 {[%emt 0:02:55]} (25. Rfd1 $142) 25... Qe7 {[%emt 0:00:42]} 26. Qa4 {[%emt 0:00:35]} (26. Rfe1 $16) 26... Bb7 {[%emt 0:00:15]} (26... Qb7 $1 $11) 27. Qc4 {[%emt 0:01:27]} (27. Bxa6 $2 Ra8 28. Qe4 Bxa6 $19) (27. Bc4 $16) 27... Bh6 {[%emt 0:00:38]} (27... Bc8 $1 $11 {keeps the balance.}) 28. Kf2 {[%emt 0:01:54]} Rd5 {[%emt 0:03:33]} 29. Qe4 {[%emt 0:02:56]} (29. g3 $16) 29... f5 {[%emt 0:00:39]} (29... Bc8 $11) 30. Qa4 {[%emt 0:00:56]} (30. Qc4 $16) 30... Qg5 $11 {[%emt 0:00:23]} 31. f4 $1 {[%emt 0:00:14]} exf4 {[%emt 0:04:34]} 32. exf4 {[%emt 0:00:12]} Qxf4+ {[%emt 0:00:14]} 33. Qxf4 {[%emt 0:00:06]} Bxf4 {[%emt 0:00:04]} 34. Bc4 {[%emt 0:00:13]} Rfd8 {[%emt 0:00:33][%cal Od8d7]} 35. g3 {[%emt 0:01:26]} (35. Bxd5+ cxd5 36. Bf6 Rf8 $15) (35. Rbe1 $5 {[%cal Re1e7]} Bg5 36. Be5 $11 (36. Bxd5+ cxd5 37. Be5 Kf7 $15)) 35... Bd6 {[%emt 0:00:19]} (35... Bh6 $1 $14) 36. Bf6 {[%emt 0:00:49]} (36. Bxd5+ cxd5 37. Bd2 (37. Bf6 Rf8 $17) 37... Kf7 $17) (36. a4 $16) 36... Re8 {[%emt 0:04:35]} (36... Rf8 $14 37. Bc3 (37. Bxd5+ cxd5 38. Bb2 c4 $17) 37... Re8) 37. Rfe1 $16 {[%emt 0:00:35]} ({Weaker is} 37. Bxd5+ cxd5 38. Rbe1 Re4 39. Rxe4 fxe4 $15) 37... Kf7 {[%emt 0:00:09] aiming for ...Rxe1.} 38. Rxe8 {[%emt 0:00:22]} ({Inferior is} 38. Bxd5+ cxd5 39. Rxe8 Kxe8 $15) 38... Kxe8 {[%emt 0:00:04]} 39. Bxd5 {[%emt 0:00:11]} (39. Re1+ $14 Kd7 40. Kf3) 39... cxd5 {[%emt 0:00:05][%mdl 4096] Endgame KRB-KB} 40. Re1+ {[%emt 0:00:28]} (40. a4 $11) 40... Kf7 {[%emt 0:00:31]} ({Black should play} 40... Kd7 $15) 41. Be5 $11 {[%emt 0:30:17]} Be7 {[%emt 0:30:14]} 42. a4 {[%emt 0:00:54]} d4 {[%emt 0:01:08]} (42... Ke6 $11) 43. Bc7 $2 {[%emt 0:01:02][%mdl 8192] Loses the game.} (43. Rc1 $1 $16 {is forced if you want to stay better.}) 43... c4 $19 {[%emt 0:02:22]} 44. Rxe7+ {[%emt 0:00:00]} Kxe7 {[%emt 0:00:00] KB-KB} 45. Be5 {[%emt 0:00:00]} d3 {[%emt 0:00:00]} 46. Ke3 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 47. Bc3 {[%emt 0:00:00] [#]} Kd5 {[%emt 0:00:00]} 48. h4 {[%emt 0:00:00]} Kc5 {[%emt 0:00:00] Repels Bb4+} 49. a5 {[%emt 0:00:00]} h6 {[%emt 0:00:00][%cal Bh7h6,Bh6g5][%mdl 32]} 50. Bd2 $2 {[%emt 0:00:00]} (50. Kd2) 50... g5 {[%emt 0:00:00]} 51. hxg5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00][%cal Of5f4]} 52. Bc3 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 53. Bd2 {[%emt 0:00:00] [#]} f4+ $1 {[%emt 0:00:00][%mdl 64] Deflection} 54. gxf4 {[%emt 0:00:00]} gxf4+ {[%emt 0:00:00]} 55. Kxf4 {[%emt 0:00:00] [#]} Kd4 $1 {[%emt 0:00:00]} 56. Be3+ {[%emt 0:00:00]} Kc3 {[%emt 0:00:00]} 57. Ke5 {[%emt 0:00:00]} d2 {[%emt 0:00:00]} 58. Bxd2+ {[%emt 0:00:00]} Kxd2 {[%emt 0:00:00] KB-KPP} 59. Kd6 {[%emt 0:00:00]} Bh1 {[%emt 0:00:00]} 60. Kc7 {[%emt 0:00:00]} c3 {[%emt 0:00:00]} 61. b7 {[%emt 0:00:00]} c2 {[%emt 0:00:00]} (61... Bxb7 $142 62. Kxb7 c2 63. Kxa6 c1=Q 64. Kb7 Qc5 65. a6 Qb5+ 66. Kc8 Qxa6+ 67. Kd7 Qf6 68. Kc8 Qe7 69. Kb8 Ke3 70. Kc8 Kd4 71. Kb8 Kd5 72. Kc8 Kc6 73. Kb8 Qb7#) 62. b8=Q {[%emt 0:00:00]} c1=Q+ {[%emt 0:00:00]} (62... c1=B 63. Qb4+ Kd3 64. Qd6+ Kc3 65. Qc5+ Kb2 66. Qd4+ Kc2 67. Qc5+ Kb1 68. Qd6 $18) 63. Kd8 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00]} 64. Qb2+ {[%emt 0:00:00]} Kd3 {[%emt 0:00:00] ( -> ...Kc4)} 65. Qb3+ {[%emt 0:00:00]} (65. Qb4 $19) 65... Kd4 {[%emt 0:00:00] Black mates.} 66. Qb4+ {[%emt 0:00:00]} Kd5 {[%emt 0:00:00]} 67. Qd2+ {[%emt 0:00:00]} Kc5 {[%emt 0:00:00]} 68. Ke7 {[%emt 0:00:00]} Bd5 {[%emt 0:00:00]} 69. Qc3+ {[%emt 0:00:00]} Kb5 {[%emt 0:00:00]} 70. Qd2 {[%emt 0:00:00]} Qe6+ {[%emt 0:00:00]} 71. Kd8 {[%emt 0:00:00]} Qd6+ {[%emt 0:00:00]} 72. Ke8 {[%emt 0:00:00]} Bc6+ {Weighted Error Value: White=0.69/Black=0.29 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.4"]
[White "Hladky, Tadeas"]
[Black "Simunek, Jakub Simon"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "1973"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 23,84,31,29,21,19,10,10,0,0,8,10,7,7,6,4,6,6,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,-5,-2,-8,-8,-12,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:12]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:03]} c5 {[%emt 0:00:29]} 4. exd5 {[%emt 0:00:12]} Qxd5 {[%emt 0:00:20]} 5. Ngf3 {[%emt 0:00:10]} cxd4 {[%emt 0:00:15]} 6. Bc4 {[%emt 0:00:09]} Qd6 {[%emt 0:00:10]} 7. O-O {[%emt 0:00:17]} Nf6 {[%emt 0:00:23]} 8. Nb3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:37]} 9. Nbxd4 {[%emt 0:00:14]} Nxd4 {[%emt 0:00:20]} 10. Nxd4 {[%emt 0:00:17]} Be7 {[%emt 0:00:52]} 11. c3 {[%emt 0:00:56]} O-O {[%emt 0:00:43]} 12. Qf3 {[%emt 0:01:17]} Qc7 {[%emt 0:01:39]} 13. Bd3 {[%emt 0:01:22] C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bd7 {[%emt 0:04:12] The position is equal.} 14. Re1 {[%emt 0:04:11]} Rfd8 {[%emt 0:04:39]} 15. Bg5 {[%emt 0:15:19] [#]} h6 $146 {[%emt 0:18:52]} ({Predecessor:} 15... Be8 16. Rad1 h6 17. Bf4 Qb6 18. Rd2 Rac8 19. Rde2 Bc5 20. Be5 Be7 21. Qg3 Kf8 {0-1 Harikrishna,P (2716)-Salem,A (2690) Chess.com Rapid Wk7 Swiss 2022 (7)}) 16. Bf4 {[%emt 0:05:57]} Bd6 {[%emt 0:23:35]} 17. Bxd6 {[%emt 0:05:09]} (17. Bxh6 {is interesting.} Bxh2+ 18. Kh1 Bc6 19. Nxc6 Qxc6 20. Be2) 17... Qxd6 {[%emt 0:00:06]} 18. Rad1 {[%emt 0:00:47]} Qb6 {[%emt 0:03:44]} (18... e5 {with more complications.} 19. Nf5 Qb6 20. Rxe5 Bxf5 21. Rxf5 Qxb2 22. Rb5 Qxc3 23. Rxb7 Rac8) 19. Rd2 {[%emt 0:03:43]} Be8 {[%emt 0:04:08]} (19... Rac8 {is more complex.} 20. Qf4 Nd5 21. Qh4 Qc7) 20. Qd1 {[%emt 0:17:37]} Rd6 {[%emt 0:04:59]} 21. Qb3 {[%emt 0:19:03]} Qc7 {[%emt 0:08:53]} 22. Red1 {[%emt 0:02:56]} Rad8 {[%emt 0:02:02]} 23. Qc2 {[%emt 0:06:41]} Kf8 {[%emt 0:02:47]} 24. Be2 {[%emt 0:07:40]} a6 {[%emt 0:02:59]} 25. Nf3 {[%emt 0:00:52]} Bc6 {[%emt 0:02:56]} 26. Rxd6 {[%emt 0:02:07]} Rxd6 {[%emt 0:00:07]} 27. Rxd6 {[%emt 0:00:13]} Qxd6 {[%emt 0:00:07]} 28. Qd2 {[%emt 0:00:07]} Ke7 {[%emt 0:02:06]} 29. Qd4 {[%emt 0:03:24]} Bxf3 {[%emt 0:03:00]} 30. Qxd6+ {[%emt 0:00:06]} Kxd6 {[%emt 0:00:04]} 31. Bxf3 $11 {[%emt 0:00:05][%mdl 4096] Endgame KB-KN} b6 {[%emt 0:00:33]} 32. Kf1 {[%emt 0:01:23]} e5 {[%emt 0:02:07]} 33. Bb7 {[%emt 0:00:05]} a5 {[%emt 0:00:06]} 34. Ke2 {[%emt 0:01:31]} Nd5 {[%emt 0:03:37]} 35. g3 {[%emt 0:02:22]} f5 {[%emt 0:00:55]} 36. Kd3 {[%emt 0:00:35]} g5 {[%emt 0:03:21]} 37. Kc4 {[%emt 0:00:42]} Nf6 {[%emt 0:00:59]} 38. h3 {[%emt 0:00:04]} f4 {[%emt 0:01:28]} 39. gxf4 {[%emt 0:00:23]} exf4 {[%emt 0:00:29]} 40. b4 {[%emt 0:00:36]} axb4 {[%emt 0:00:42]} 41. cxb4 {[%emt 0:30:06]} h5 {[%emt 0:14:49]} 42. a4 {[%emt 0:00:00]} g4 {[%emt 0:10:45] An uneventful encounter.   Weighted Error Value: White=0.02 (flawless) /Black=0.01 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.5"]
[White "Tillmann, Stanislav"]
[Black "Mametev, Artem"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1907"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,89,0,0,0,0,0,0,6,6,0,0,21,0,-9,0,7,0,15,18,0,0,45,48,81,52,115,117,108,45,36,0,100,80,66,12,12,16,16,13,35,-5,-5,-2,-5,-79,13,-8,-18,-15,-12,-9,9,9,10,15,6,0,0,0,248,248,241,214,202,31,210,210,264,268,1081,631,556,151,148,144,135,124]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:33]} 6. Be2 {[%emt 0:00:26]} e5 {[%emt 0:00:06]} 7. Nf3 {[%emt 0:00:11]} Be7 {[%emt 0:01:58]} 8. Bg5 {[%emt 0:00:52] is the new trend.} Be6 {[%emt 0:00:52] B92: Sicilian Najdorf: 6 Be2.} 9. Bxf6 {[%emt 0:01:36]} Bxf6 {[%emt 0:00:04]} 10. O-O {[%emt 0:00:34]} Be7 {[%emt 0:10:44] The position is equal.} 11. Nd5 {[%emt 0:01:57]} Nd7 {[%emt 0:00:57]} 12. Bc4 {[%emt 0:10:01]} O-O {[%emt 0:25:07] [#]} 13. Nxe7+ $146 {[%emt 0:10:01]} ({Predecessor:} 13. Qe2 b5 14. Bb3 Nc5 15. Rfd1 Nxb3 16. axb3 f5 17. exf5 Bxf5 18. Ne3 Qc8 19. Nxf5 Qxf5 {½-½ Vaibhav,S (2590)-Sjugirov,S (2663) PRO League Stage rapid 2019 (10)}) 13... Qxe7 {[%emt 0:00:05]} 14. Bxe6 {[%emt 0:00:05]} fxe6 {[%emt 0:00:29]} 15. c4 {[%emt 0:02:07]} Nc5 {[%emt 0:08:34]} (15... b5 $5 {[%cal Rb5c4]}) 16. Re1 {[%emt 0:03:56]} Rf4 {[%emt 0:01:38]} 17. Qc2 {[%emt 0:01:24]} Raf8 {[%emt 0:02:50]} 18. b4 {[%emt 0:00:49]} Nd7 {[%emt 0:00:22]} 19. Rad1 {[%emt 0:01:52]} Nf6 {[%emt 0:05:20]} (19... Rc8 $14) 20. Qd3 $16 {[%emt 0:03:03]} Ne8 {[%emt 0:11:11]} 21. Qc3 {[%emt 0:25:14]} (21. h3 $16) 21... Nf6 $14 {[%emt 0:09:14]} 22. Qd3 {[%emt 0:00:53]} (22. Qc2 $14) 22... Ne8 $1 $16 {[%emt 0:12:12]} 23. c5 {[%emt 0:07:53]} dxc5 {[%emt 0:00:53]} 24. Qd7 {[%emt 0:00:09]} (24. bxc5 $14 Qxc5 25. Qd7) 24... Qxd7 $11 {[%emt 0:01:00]} 25. Rxd7 {[%emt 0:00:03]} Nf6 {[%emt 0:00:50]} 26. Rxb7 {[%emt 0:00:12] Threatens to win with Ng5.} Nxe4 {[%emt 0:01:55]} 27. bxc5 {[%emt 0:01:28]} Nxc5 {[%emt 0:00:12]} 28. Rc7 {[%emt 0:01:18]} Nd3 {[%emt 0:00:35]} 29. Rb1 {[%emt 0:02:19]} (29. Rd1 $11 {remains equal.} e4 30. Ng5) 29... e4 {[%emt 0:01:20] [#]} (29... h6 $17) 30. Rbb7 $1 {[%emt 0:00:13][%mdl 1024] White has compensation.} Rg4 {[%emt 0:02:13]} (30... exf3 $2 {is a self mate.} 31. Rxg7+ Kh8 32. Rxh7+ Kg8 33. Rbg7#) 31. Nd4 {[%emt 0:03:25]} Nf4 {[%emt 0:02:54]} 32. g3 {[%emt 0:01:03]} e5 {[%emt 0:00:31]} 33. Nc6 {[%emt 0:00:50]} Nh3+ {[%emt 0:01:10][%mdl 64] Discovered Attack} 34. Kg2 {[%emt 0:00:52]} Nf4+ {[%emt 0:00:11]} 35. Kh1 {[%emt 0:01:36][%cal Oc6e5] Strongly threatening Nxe5!} Nd3 {[%emt 0:00:24]} 36. h3 {[%emt 0:01:07][%cal Bh2h3,Bh3h4][%mdl 32]} Nxf2+ {[%emt 0:00:22] [#]} (36... Rg5 $1 $11 {and Black is okay.}) 37. Kg2 $1 $18 {[%emt 0:00:08]} Rg5 {[%emt 0:00:22]} 38. h4 {[%emt 0:00:25]} Rh5 {[%emt 0:00:51]} 39. Rxg7+ {[%emt 0:00:38]} Kh8 {[%emt 0:00:01] [#] This move loses the game for Black.} 40. Nxe5 $1 {[%emt 0:02:52][%mdl 576] Deflection} e3 {[%emt 0:00:32]} (40... Rxe5 $2 {leads to mate.} 41. Rxh7+ Kg8 42. Rbg7#) (40... Nd3 41. Nxd3) 41. Rge7 {[%emt 0:35:19] Black must now prevent Nd7.} Nd1 $2 {[%emt 0:16:19]} (41... Kg8 42. Nf3 (42. Nd7 Rf7 $16) 42... Rh6) 42. Ng4 {[%emt 0:00:00][%cal Og4f6] White threatens Nf6! and mate.} Kg8 {[%emt 0:03:08]} 43. Nxe3 {[%emt 0:00:00]} (43. Rg7+ $18 {has better winning chances.} Kh8 44. Rge7) 43... Nxe3+ $16 {[%emt 0:00:26]} 44. Rxe3 {[%emt 0:00:00] aiming for Ree7.} Rf7 {[%emt 0:00:26]} 45. Re8+ {[%emt 0:00:00] Weighted Error Value: White=0.42/Black=0.22 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.6"]
[White "Prazak, Daniel"]
[Black "Mohapl, Tomas"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2064"]
[BlackElo "1946"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,91,28,27,24,32,31,28,54,37,45,23,21,0,0,0,0,0,0,0,0,0,0,0,82,-27,-23,-22,160,154,130,148,142,132,222,220,5541,5785,5397,5397,3540,2305,2428,1945,1782,778,713,490,466,449,429,300,307,306,303,300,300,285,447,293,660,652,640,623,579,533,785,724,5122,5122,5604,4906,837,714]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:21]} Nc6 {[%emt 0:00:06]} 3. Bb5 {[%emt 0:00:25]} Nf6 {[%emt 0:00:47][%cal Bg8f6,Bf6e8,Be8c7,Bc7e6,Be6d4][%mdl 32]} 4. Bxc6 {[%emt 0:00:56]} dxc6 {[%emt 0:00:20]} 5. d3 {[%emt 0:00:14]} g6 {[%emt 0:02:36]} 6. h3 {[%emt 0:00:18]} Bg7 {[%emt 0:01:02]} 7. O-O {[%emt 0:00:15]} O-O {[%emt 0:00:54]} 8. Nc3 {[%emt 0:01:11]} Ne8 {[%emt 0:05:35]} 9. Be3 {[%emt 0:02:01]} b6 {[%emt 0:00:55]} 10. Qd2 {[%emt 0:01:58]} Nc7 {[%emt 0:02:57]} 11. Bh6 {[%emt 0:02:57]} Ne6 {[%emt 0:07:03] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 12. Bxg7 {[%emt 0:00:57]} Kxg7 {[%emt 0:00:30]} 13. Ne2 {[%emt 0:04:42]} Ba6 {[%emt 0:13:03] [#] White has an edge.} 14. Nh2 $146 {[%emt 0:05:36]} ({Predecessor:} 14. Rad1 Qc7 15. Ng5 Nxg5 16. Qxg5 c4 17. Nf4 cxd3 18. cxd3 Rad8 19. Rfe1 h6 20. Qg3 {½-½ Rey Chimera,L (1571)-Reboredo Martinez,C (1835) ESP-ch U16 Salobrena 2020 (5)}) 14... Nd4 {[%emt 0:05:10]} 15. Ng3 {[%emt 0:02:10]} e5 {[%emt 0:06:34]} 16. f4 {[%emt 0:11:20]} Qh4 {[%emt 0:06:34]} 17. Ne2 {[%emt 0:13:14]} (17. fxe5 $2 Qxg3 18. Ng4 Qh4 $19) 17... Nxe2+ {[%emt 0:06:28]} 18. Qxe2 {[%emt 0:00:36]} exf4 {[%emt 0:02:35]} 19. Qd2 {[%emt 0:01:59]} Qf6 {[%emt 0:02:42]} 20. Rxf4 {[%emt 0:06:00]} Qd4+ {[%emt 0:02:09]} 21. Kh1 {[%emt 0:02:02]} c4 {[%emt 0:05:27]} (21... Qxb2 $11 22. Raf1 Bc8) 22. Qb4 {[%emt 0:02:11]} ({Don't play} 22. Rh4 $6 h5 $11) (22. Raf1 $16) 22... c5 $11 {[%emt 0:07:26]} 23. Qa3 {[%emt 0:08:38]} cxd3 $2 {[%emt 0:01:04]} (23... Bb5 $11) 24. Qxa6 $16 {[%emt 0:00:59] White leaves nothing to chance now.} Qxb2 {[%emt 0:00:54]} 25. Rff1 {[%emt 0:01:26]} dxc2 {[%emt 0:05:23]} 26. Rac1 {[%emt 0:02:50]} b5 {[%emt 0:02:03]} (26... Rae8 $16) 27. e5 $18 {[%emt 0:02:30]} Rad8 $2 {[%emt 0:02:51]} (27... Qxe5 28. Rxc2 (28. Qxb5 Rab8 $18) 28... b4) 28. Qf6+ {[%emt 0:01:27]} (28. Qxa7 $2 Qxc1 29. Qxc5 Rd1 $19) 28... Kg8 {[%emt 0:00:05]} 29. Ng4 {[%emt 0:02:10][%cal Bh2g4,Bg4h6,Bh6f7,Bf7g5,Bg5f3][%mdl 32]} h5 {[%emt 0:01:18]} 30. Nh6+ {[%emt 0:01:35][%mdl 64] Deflection} Kh7 {[%emt 0:00:06]} 31. Nxf7 {[%emt 0:00:28] Threatening mate with Qe7.} Qc3 {[%emt 0:07:54]} 32. Qg5 {[%emt 0:01:06]} (32. Qe7 $142 Rfe8 33. Qc7 (33. Nxd8+ $2 {perishes.} Rxe7 34. Nc6 Re6 $19)) 32... Qd2 {[%emt 0:00:49]} 33. Rxc2 {[%emt 0:02:19][%mdl 64] Double Attack} Qxg5 {[%emt 0:01:19]} 34. Nxg5+ {[%emt 0:00:08]} Kh6 {[%emt 0:00:29]} 35. Nf3 {[%emt 0:00:55]} c4 {[%emt 0:00:31] [#]} 36. a4 $1 {[%emt 0:00:12]} a6 {[%emt 0:00:19]} 37. axb5 {[%emt 0:00:06]} axb5 {[%emt 0:00:01]} 38. Rb1 {[%emt 0:01:34]} g5 {[%emt 0:02:15]} (38... Rd5 {was necessary.} 39. Re2 Kg7) 39. e6 {[%emt 0:02:03] Black must now prevent e7.} Rfe8 {[%emt 0:00:38]} (39... Rd5 40. e7 Re8) 40. Rxb5 {[%emt 0:03:49] White is clearly winning.} g4 {[%emt 0:00:46]} 41. hxg4 {[%emt 0:30:42]} hxg4 {[%emt 0:01:35]} 42. Ne5 {[%emt 0:00:00] Strongly threatening Nf7+.} Rd1+ {[%emt 0:01:40]} 43. Kh2 {[%emt 0:00:00] Hoping for Rb6.} Kg5 {[%emt 0:01:02]} 44. Rxc4 {[%emt 0:00:00] White wants to mate with Nd7+.} Rxe6 {[%emt 0:00:55]} 45. Nxg4+ {[%emt 0:00:00]} Kg6 {[%emt 0:00:24] [#]} 46. Rc6 $3 {[%emt 0:00:00][%mdl 512] Ingenious play by Prazak!   Weighted Error Value: White=0.32/Black=0.54} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.7"]
[White "Vilimek, Vit"]
[Black "Kubin, Tomas Daniel"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "2018"]
[BlackElo "1936"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,66,0,-8,0,-11,-27,27,0,0,0,0,0,0,-31,-31,-29,-22,-66,-62,-51,-55,-50,-51,-53,0,-56,-55,-146,-99,-85,723,-229,-221,-251,-247,-275,-275,-321,-310,-295,-293,-1059,-1052,-1296,-316,-1125,-1082,-29970,-29971,-29970,-29971,-5832,-5820,-29993,-29994]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:12]} 5. Nc3 {[%emt 0:00:06]} e5 {[%emt 0:00:13]} 6. Nxc6 {[%emt 0:00:20]} bxc6 {[%emt 0:00:36]} 7. Bd3 {[%emt 0:00:09]} Bb4 {[%emt 0:06:38]} 8. O-O {[%emt 0:00:09] B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O {[%emt 0:03:25]} 9. f4 {[%emt 0:00:08] [#]} Qc7 $146 {[%emt 0:09:58]} (9... Bd6 $142) ({Predecessor:} 9... Bd6 10. Qe1 Re8 11. Kh1 exf4 12. Bxf4 Bxf4 13. Rxf4 d6 14. Qd1 Nd7 15. Rxf7 Kxf7 16. Bc4+ Ke7 17. Qg4 Qa5 18. e5 Qxe5 19. Qh4+ g5 20. Qf2 Kd8 {0-1 Dushyant,S (2332)-Ezat,M (2417) Sharjah Masters 4th 2021 (9)}) 10. Qe2 {[%emt 0:15:01] White has an edge.} Re8 {[%emt 0:20:22]} 11. fxe5 {[%emt 0:05:07]} Qxe5 {[%emt 0:00:50]} 12. Bf4 {[%emt 0:15:26]} Qa5 {[%emt 0:06:41][%cal Od7d6]} 13. e5 {[%emt 0:07:01]} Bxc3 {[%emt 0:09:06]} (13... d6 14. Ne4 Nxe4 15. Qxe4 Qc5+ 16. Kh1 $11) 14. bxc3 {[%emt 0:00:12]} d6 {[%emt 0:01:11][%cal Rd6e5]} 15. Kh1 {[%emt 0:15:03]} Bg4 {[%emt 0:15:52]} (15... Qxc3 $2 16. Qf3 $18) 16. Qf2 {[%emt 0:13:32]} (16. Bxh7+ $2 Kh8 17. Qd2 dxe5 $19) 16... dxe5 {[%emt 0:02:21]} 17. Bg5 {[%emt 0:00:50]} e4 $1 {[%emt 0:00:35]} (17... Qxc3 $2 18. Qg3 $18) 18. Bxf6 {[%emt 0:00:12]} gxf6 {[%emt 0:00:38]} (18... exd3 $15 19. Bd4 f6) 19. Bc4 {[%emt 0:05:37]} (19. Qxf6 $11 exd3 20. Qxf7+ Kh8 21. Qf6+ (21. cxd3 $2 Qxc3 22. Rac1 Qg7 $19) 21... Kg8 22. Qf7+ Kh8 23. Qf6+ (23. cxd3 $2 Qxc3 24. Rac1 Qg7 $19) 23... Kg8 24. Qf7+) 19... Qxc3 $15 {[%emt 0:01:28]} 20. Bb3 {[%emt 0:14:22]} (20. Qxf6 $15 Qxf6 21. Rxf6) 20... Kg7 {[%emt 0:04:53]} (20... e3 $142 $1 {[%cal Re3f2]} 21. Qg3 Kh8 22. Bxf7 (22. Qxg4 $2 e2 $19) 22... Re4) 21. Rae1 $17 {[%emt 0:06:32] Hoping for Re3.} Qe5 $2 {[%emt 0:01:54][%mdl 8192]} (21... h5 $6 22. h3 Be6 23. Rxe4 Bxb3 24. Rd4 $11 (24. Rxe8 Rxe8 25. cxb3 Re3 $15)) (21... f5 $17) 22. Qh4 $4 {[%emt 0:00:29][%mdl 8192] [#]} (22. Rxe4 $1 $18 {was the only winning move.} Qd6 23. Rxg4+ Kh8 24. Rf4) 22... Bf5 $1 $19 {[%emt 0:01:51]} ({And not} 22... h5 23. Ba4 Rac8 24. Bb3 $17) 23. Re3 {[%emt 0:00:44]} Rad8 {[%emt 0:01:23]} 24. Rfe1 {[%emt 0:00:27]} Bg6 {[%emt 0:02:12]} 25. Rh3 {[%emt 0:00:20]} e3 {[%emt 0:01:44][%cal Be4e3,Be3e2][%mdl 32]} 26. Qh6+ {[%emt 0:00:26] [#]} Kg8 $1 {[%emt 0:00:30] And now ...e2 would win.} 27. Kg1 $2 {[%emt 0:00:10]} (27. Rhxe3 $2 {too greedy.} Qxe3 28. Qxe3 Rxe3 $19) (27. Rg3 Rd7 28. Rxg6+ hxg6 29. Qxg6+ Kf8 30. Qh6+ Ke7 31. Qxe3) 27... e2 {[%emt 0:00:44]} 28. Rg3 {[%emt 0:00:28]} Qe4 $2 {[%emt 0:04:02]} ({Inferior is} 28... Rd1 29. Rxg6+ hxg6 30. Qxg6+ Kh8 31. Qh6+ Kg8 32. Qg6+ Kh8 33. Qh6+ Kg8 34. Qg6+ $11) (28... Qc5+ 29. Kh1 Qf5) 29. Kf2 $2 {[%emt 0:01:03]} (29. c3) 29... Rd1 {[%emt 0:01:43] ( -> ...Qd4+)} 30. Rxg6+ {[%emt 0:00:35]} hxg6 {[%emt 0:01:00]} 31. Bxf7+ {[%emt 0:00:04]} Kxf7 {[%emt 0:00:36]} 32. Qh7+ {[%emt 0:00:01]} Kf8 {[%emt 0:00:42][%csl Ge8][%cal Re4e3]} 33. Qh6+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:24] Weighted Error Value: White=1.08/Black=0.33} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.8"]
[White "Slaby, Matej"]
[Black "Lang, Simon"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1932"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,162,7,13,0,2,-5,7,4,22,0,0,-12,2,0,0,-14,0,-15,-18,-11,-9,-37,-33,-37,-20,-34,-17,-30,-9,-56,-50,-57,-25,-29,-36,-46,-9,-57,-55,-83,-88,-123,-123,-170,-158,-155,-167,-166,-149,-156,-148,-149,-147,-159,-158,-162,-145,-166,-160,-162,-154,-172,-141,-135,-140,-144,-143,-137,-134,-148,-145,-149,-149,-146,-131,-131,-127,-125,-125,-140,-140,-164,-98,-124,-98,-98,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-105,-8,-8,-8,-8,-8,-11,-19,-75,0,-89,-89,-90,-90,-90,-8,-8,-8,-90,0,0,0,-90,-8,-89,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29973,-29974,-29975,-29976,-29983,-29984,-29985,-29986,-29986,-29987]} 1. Nf3 {[%emt 0:00:10]} c5 {[%emt 0:00:44]} 2. c3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:46]} 3. d4 {[%emt 0:00:05]} e6 {[%emt 0:00:47]} 4. e3 {[%emt 0:00:12]} b6 {[%emt 0:01:45]} 5. Nbd2 {[%emt 0:02:03]} Be7 {[%emt 0:01:37]} 6. Bd3 {[%emt 0:00:17]} Ba6 {[%emt 0:01:54]} 7. Bxa6 {[%emt 0:01:56]} Nxa6 {[%emt 0:00:12]} 8. Qe2 {[%emt 0:00:14] A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Qc8 {[%emt 0:01:48] [#]} 9. a4 $146 {[%emt 0:02:43]} ({Predecessor:} 9. O-O Nc7 10. dxc5 bxc5 11. e4 d5 12. exd5 Ncxd5 13. Ne5 O-O 14. Ndc4 Nd7 15. Nxd7 Qxd7 {0-1 Winterkamp,S (1950)-Okrajek,A (2078) NRW Class2 1718 2017 (4.7)}) 9... Nc7 {[%emt 0:03:33]} 10. O-O {[%emt 0:01:52] The position is equal.} Qa6 {[%emt 0:09:20]} 11. Qxa6 {[%emt 0:09:24]} Nxa6 {[%emt 0:00:08]} 12. b3 {[%emt 0:00:16]} Rc8 {[%emt 0:05:18]} 13. Bb2 {[%emt 0:01:59]} O-O {[%emt 0:03:29]} 14. Rfc1 {[%emt 0:11:50]} Rc7 {[%emt 0:06:34]} 15. Ba3 {[%emt 0:13:19]} Rfc8 {[%emt 0:08:38]} 16. g3 {[%emt 0:11:57]} Kf8 {[%emt 0:04:30]} 17. a5 {[%emt 0:12:31]} b5 {[%emt 0:07:32]} 18. Bb2 {[%emt 0:01:37]} Rb8 {[%emt 0:09:36]} 19. Ne1 {[%emt 0:06:19]} cxd4 {[%emt 0:05:31]} 20. exd4 {[%emt 0:00:22]} Nd5 {[%emt 0:02:54]} 21. Nd3 {[%emt 0:00:38]} (21. h4 $11) 21... Rbc8 $15 {[%emt 0:01:55][%cal Rd5c3]} 22. c4 {[%emt 0:01:55]} bxc4 {[%emt 0:01:28]} (22... Ndb4 $5 {[%cal Rb4d3]} 23. Ne1 (23. cxb5 $2 Nxd3 24. Rxc7 Nxc7 $19) 23... bxc4 24. bxc4 Kg8 $11) 23. bxc4 {[%emt 0:00:14]} Ndb4 {[%emt 0:01:06]} 24. Nxb4 {[%emt 0:00:21]} Nxb4 {[%emt 0:00:37][%cal Ba6b4,Bb4c6,Bc6a5][%mdl 32]} 25. Ba3 {[%emt 0:04:20]} (25. Bc3 $11) 25... a6 {[%emt 0:02:51]} 26. Rab1 {[%emt 0:01:36]} Nc6 {[%emt 0:01:20][%csl LRa3,LRa5,LRd4]} 27. Bxe7+ {[%emt 0:00:45]} Kxe7 {[%emt 0:00:09]} 28. Nb3 {[%emt 0:00:12]} (28. d5 $17 Nxa5 29. Rb4) 28... Rb7 $19 {[%emt 0:01:50] ...Rcb8 would be deadly.} 29. Nc5 {[%emt 0:06:14]} Rxb1 {[%emt 0:00:19]} 30. Rxb1 {[%emt 0:00:01]} Nxa5 $17 {[%emt 0:01:09][%mdl 4096] Endgame KRN-KRN} 31. Ra1 {[%emt 0:01:37]} Nxc4 {[%emt 0:00:57]} 32. Rxa6 {[%emt 0:00:21]} Rc7 {[%emt 0:00:44]} 33. Ra4 {[%emt 0:00:53]} Nb6 {[%emt 0:00:40]} 34. Ra6 {[%emt 0:00:21]} Nd5 {[%emt 0:00:22]} 35. Kg2 {[%emt 0:02:23]} Nc3 {[%emt 0:03:33]} 36. Kf3 {[%emt 0:03:23]} d6 {[%emt 0:03:27]} 37. Nb3 {[%emt 0:00:09]} Nd5 {[%emt 0:00:25]} 38. Nd2 {[%emt 0:01:28]} Nb4 {[%emt 0:02:30]} 39. Ra4 {[%emt 0:01:00]} Nc6 {[%emt 0:00:43]} 40. Ke3 {[%emt 0:00:52]} Kd7 {[%emt 0:01:11]} 41. Ra6 {[%emt 0:04:45]} Ra7 {[%emt 0:00:52]} 42. Rxa7+ {[%emt 0:00:35]} Nxa7 {[%emt 0:00:06] KN-KN} 43. Ne4 {[%emt 0:00:14]} h6 {[%emt 0:00:27]} 44. Nc3 {[%emt 0:00:09]} Nc8 {[%emt 0:00:39]} 45. d5 {[%emt 0:00:34]} e5 {[%emt 0:00:20]} 46. Na4 {[%emt 0:00:24]} f5 {[%emt 0:00:47]} 47. f4 {[%emt 0:00:27]} e4 {[%emt 0:00:16]} (47... Kc7 $19 {Threatens to win with ...Ne7.} 48. Kd3 exf4 49. gxf4 g5 50. fxg5 hxg5) 48. Kd4 {[%emt 0:00:31]} Kc7 {[%emt 0:00:14]} 49. h3 {[%emt 0:00:55]} Kb7 {[%emt 0:00:35]} (49... g6 $17) 50. g4 $11 {[%emt 0:00:15]} g6 {[%emt 0:00:14]} 51. Nb2 {[%emt 0:00:18]} Kc7 {[%emt 0:00:41]} 52. Nc4 {[%emt 0:00:16]} Kd7 {[%emt 0:00:44]} 53. Ne3 {[%emt 0:00:43]} Ne7 {[%emt 0:00:13]} 54. Ng2 {[%emt 0:00:45]} Ke8 {[%emt 0:00:21]} 55. g5 {[%emt 0:00:39]} (55. Kc4 $1 $11 {keeps the balance.}) 55... hxg5 {[%emt 0:05:23]} (55... h5 $17 {...Nc8 is the strong threat.} 56. Nh4 Kf8 {[%mdl 64] Decoy}) 56. fxg5 {[%emt 0:00:02]} Nc8 {[%emt 0:01:31]} 57. Nf4 {[%emt 0:01:08]} Kf7 {[%emt 0:00:21]} 58. Kc4 {[%emt 0:00:29]} Ne7 {[%emt 0:03:35]} 59. Kd4 {[%emt 0:00:32]} Ke8 {[%emt 0:02:01]} (59... Kf8 $17) 60. Kc4 {[%emt 0:00:22]} (60. Ng2 $11) 60... Kd7 {[%emt 0:00:39]} 61. Kd4 {[%emt 0:00:28]} Kc7 {[%emt 0:00:54]} 62. Ne6+ {[%emt 0:00:20]} Kb6 {[%emt 0:02:11]} (62... Kc8 $1 $17) 63. Nf4 {[%emt 0:00:09]} Kb7 {[%emt 0:10:53]} 64. Ne6 {[%emt 0:00:21]} (64. h4 $11 {remains equal.}) 64... Kb6 {[%emt 0:01:25]} (64... Kc8 $1 $17) 65. Nf4 {[%emt 0:00:18]} Kc7 {[%emt 0:00:55]} (65... Kb5 $11) 66. Ne6+ $1 $17 {[%emt 0:00:09] [#]} Kb7 {[%emt 0:00:17]} ({Black should try} 66... Kc8 $1 $17) 67. Nd8+ {[%emt 0:00:18] [#]} (67. Nf4 $11) 67... Kb6 {[%emt 0:00:26]} (67... Kc8 $1 $17 {[%cal Rc8d8]} 68. Nc6 Ng8) 68. Ne6 $11 {[%emt 0:00:11]} Kb5 {[%emt 0:03:48]} 69. Nf4 {[%emt 0:01:59]} Kb4 {[%emt 0:00:25]} 70. h4 {[%emt 0:00:54]} Kb3 {[%emt 0:01:18]} 71. h5 {[%emt 0:00:51]} gxh5 {[%emt 0:00:18]} 72. Nxh5 {[%emt 0:00:06]} Kc2 {[%emt 0:00:37]} 73. Ng3 $1 {[%emt 0:05:32]} ({Don't go for} 73. Nf4 $2 Kd2 74. Ng2 (74. g6 $2 e3 $19) 74... Ke2 $19) 73... Kd2 {[%emt 0:01:32]} 74. g6 $1 {[%emt 0:01:00]} e3 {[%emt 0:02:23] ( -> ...e2)} 75. Nf1+ {[%emt 0:00:22]} Ke2 {[%emt 0:00:09]} 76. Nxe3 {[%emt 0:00:08]} f4 {[%emt 0:00:17][%cal Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 77. Ng4 $2 {[%emt 0:01:13][%mdl 8192]} (77. Nc4 $11) 77... f3 {[%emt 0:00:33] Black mates.} 78. Ke4 {[%emt 0:00:58]} Nxg6 {[%emt 0:00:15]} 79. Kf5 {[%emt 0:00:26] [#]} Ne5 $1 {[%emt 0:00:33][%mdl 512]} 80. Nh2 {[%emt 0:02:03]} (80. Nxe5 dxe5) 80... f2 {[%emt 0:00:15]} 81. Ke6 {[%emt 0:00:08]} Nf3 {[%emt 0:00:43] Weighted Error Value: White=0.15 (very precise) /Black=0.14 (very precise)} ({And not} 81... f1=R 82. Nxf1 Kxf1 83. Kxd6 Nc4+ 84. Ke7 $11) 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.9"]
[White "Davidek, Zdenek"]
[Black "Dolensky, Filip"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "1957"]
[BlackElo "2108"]
[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 11,64,74,75,70,96,94,102,89,89,59,48,49,41,46,51,0,0,0,-23,-11,-2,0,18,14,15,0,29,23,33,33,32,0,0,0,0,0,0,0,0,-38,-44,-34,-18,-18,-17,-17,-17,-18,-18,-35,0,0,0,0,0]} 1. d4 {[%emt 0:00:09]} c5 {[%emt 0:00:21]} 2. d5 {[%emt 0:00:13]} Nf6 {[%emt 0:00:07]} 3. Nf3 {[%emt 0:00:21]} e6 {[%emt 0:01:02]} 4. c4 {[%emt 0:01:02]} b5 {[%emt 0:00:24]} 5. Bg5 {[%emt 0:00:11]} h6 {[%emt 0:02:28]} 6. Bxf6 {[%emt 0:09:18]} Qxf6 {[%emt 0:01:41]} 7. Nc3 {[%emt 0:04:53] E10: Blumenfeld Gambit.} a6 {[%emt 0:13:30]} 8. cxb5 {[%emt 0:16:29]} axb5 {[%emt 0:07:16]} 9. Nxb5 {[%emt 0:03:19] [#] White is better.} Na6 $146 {[%emt 0:01:16] Wards off Nc7+} ({Predecessor:} 9... Ra5 10. Nc7+ Kd8 11. Qd2 Ra7 12. Nb5 Rb7 13. Qa5+ Ke8 14. Nc7+ Kd8 15. Nxe6+ Ke8 16. Nxf8 Qxb2 {1-0 Malygin,A (2199)-Memarian,M (2018) Chigorin Memorial 18th 2010 (4)}) 10. Nc3 {[%emt 0:08:55]} Rb8 {[%emt 0:08:54]} 11. Rb1 {[%emt 0:00:43]} c4 {[%emt 0:13:57][%cal Ob8b2]} 12. e3 {[%emt 0:12:30]} Bb4 {[%emt 0:18:04]} 13. Bxc4 {[%emt 0:09:59]} (13. Rc1 $14) 13... Bxc3+ $11 {[%emt 0:02:05]} 14. bxc3 {[%emt 0:00:01]} Rxb1 {[%emt 0:01:51]} 15. Qxb1 {[%emt 0:00:21] [#] 0-0 is the strong threat.} Qxc3+ {[%emt 0:00:23]} 16. Nd2 {[%emt 0:00:04]} O-O {[%emt 0:04:47]} 17. Ke2 {[%emt 0:10:41]} (17. Qb3 {simplifies} Qa5 18. Qb2 exd5 19. Be2) 17... exd5 {[%emt 0:07:36]} 18. Bxd5 {[%emt 0:01:28]} Nc5 {[%emt 0:03:24]} 19. Rc1 {[%emt 0:02:59]} ({Not} 19. Ne4 $2 Ba6+ 20. Kf3 Qe5 $19) 19... Ba6+ {[%emt 0:01:14]} 20. Bc4 {[%emt 0:01:52]} Qa5 {[%emt 0:02:27]} 21. g3 {[%emt 0:05:34]} (21. Ke1 $5 {[%cal Rc4a6]}) 21... d5 {[%emt 0:00:59][%mdl 64] [#] Pin} 22. Bxa6 {[%emt 0:00:04]} Qxa6+ {[%emt 0:00:04]} 23. Kf3 {[%emt 0:01:35]} Nd3 {[%emt 0:00:30] White must now prevent ...d4.} 24. Rf1 {[%emt 0:00:01]} d4 {[%emt 0:01:44]} 25. Kg2 {[%emt 0:01:46]} dxe3 {[%emt 0:00:06]} 26. fxe3 {[%emt 0:00:15]} Ne5 {[%emt 0:00:32]} 27. Qe4 {[%emt 0:01:09]} Qxa2 {[%emt 0:00:38]} (27... Rd8 {is more complex.} 28. Qxe5 Rxd2+ 29. Rf2 Qa8+) 28. Qxe5 {[%emt 0:00:08] And now Qd4 would win.} Qxd2+ {[%emt 0:00:06]} 29. Rf2 {[%emt 0:00:07]} Qd7 {[%emt 0:00:18]} 30. Qf5 {[%emt 0:01:11]} Qxf5 {[%emt 0:00:49]} 31. Rxf5 {[%emt 0:00:01]} g6 {[%emt 0:01:31]} 32. Ra5 {[%emt 0:02:52]} Re8 {[%emt 0:00:20] Weighted Error Value: White=0.11 (very precise) /Black=0.07 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.10"]
[White "Tesar, Jakub"]
[Black "Svoboda, Daniel"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1960"]
[BlackElo "1748"]
[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 16,60,-2,8,8,-10,-1,6,6,-1,6,-8,-1,-1,6,-2,9,0,0,0,0,-79,-77,-69,-71,-92,-101,-98,-10,-14,-4,-13,30,14,18,27,14,0,7,0,17,0,11,0,37,0,23]} 1. e4 {[%emt 0:00:06][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:00:19]} 2. c3 {[%emt 0:00:13]} Nf6 {[%emt 0:00:40]} 3. e5 {[%emt 0:00:17]} Nd5 {[%emt 0:00:07]} 4. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:09]} 5. cxd4 {[%emt 0:00:06]} d6 {[%emt 0:00:07]} 6. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:08]} 7. Bc4 {[%emt 0:00:17]} dxe5 {[%emt 0:00:24]} 8. dxe5 {[%emt 0:00:17]} Ndb4 {[%emt 0:00:43]} 9. Qb3 {[%emt 0:00:51]} e6 {[%emt 0:00:38] B22: Sicilian: 2 c3.} 10. O-O {[%emt 0:00:09]} Na5 {[%emt 0:00:54]} 11. Bb5+ {[%emt 0:00:37]} Bd7 {[%emt 0:01:35]} 12. Qa4 {[%emt 0:00:28]} Bxb5 {[%emt 0:00:55]} 13. Qxb5+ {[%emt 0:00:07]} Nac6 {[%emt 0:00:30] aiming for ...Nc2.} 14. Nc3 {[%emt 0:00:45]} (14. Qxb7 $2 {perishes.} Rb8 15. Bg5 Rxb7 $19) 14... a6 {[%emt 0:01:34]} 15. Qc4 {[%emt 0:00:10]} (15. Qxb7 $2 {loses.} Rb8 16. Bg5 Qa5 $19) 15... Qd3 $132 {[%emt 0:01:30][%mdl 2048] Prevents Rd1. Black is fighting back} 16. Qg4 {[%emt 0:00:22]} h5 {[%emt 0:00:48] 16...Qg6 is more advanced technology.} 17. Qh4 {[%emt 0:15:34]} Qf5 {[%emt 0:11:36] [#]} 18. Qe4 $146 {[%emt 0:16:08]} (18. Bg5 $11 {remains equal.}) ({Predecessor:} 18. Bg5 Nd3 19. Rad1 Bb4 20. Ne4 Ndxe5 21. Nxe5 Nxe5 22. Rd4 Bf8 23. Re1 f6 24. Qg3 {½-½ Pospisil,L (2511)-Scherer,R (2589) EU-chT8 fin email 2012 [1]}) 18... Qxe4 $17 {[%emt 0:25:51]} 19. Nxe4 {[%emt 0:00:06]} Nd3 {[%emt 0:11:22]} 20. Nd6+ {[%emt 0:00:07]} Bxd6 {[%emt 0:02:41]} 21. exd6 {[%emt 0:00:06]} Nxc1 {[%emt 0:04:04]} (21... O-O-O $17 22. Ng5 Rhf8) 22. Raxc1 $11 {[%emt 0:00:10]} Rd8 {[%emt 0:05:44]} 23. Rfd1 {[%emt 0:00:25]} Rd7 {[%emt 0:05:59]} 24. Ng5 {[%emt 0:45:21]} O-O {[%emt 0:02:10]} 25. Ne4 {[%emt 0:00:07] Black must now prevent Nc5.} Rfd8 {[%emt 0:01:16]} 26. Re1 {[%emt 0:01:14]} Rb8 {[%emt 0:10:23]} 27. Red1 {[%emt 0:06:21]} Rbd8 {[%emt 0:00:54]} 28. Re1 {[%emt 0:00:10]} Rb8 {[%emt 0:01:02]} 29. Red1 {[%emt 0:00:21]} Rbd8 {[%emt 0:00:29]} 30. Re1 {[%emt 0:00:19]} Rb8 {[%emt 0:00:14] Weighted Error Value: White=0.13 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.11"]
[White "Hozda, Max"]
[Black "Sigut, Ondrej"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2067"]
[BlackElo "1804"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,113,24,20,20,31,0,0,0,0,0,0,0,6,0,43,-33,-19,-27,-19,-27,-22,-22,12,12,10,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,-172,-176,-144,0,-137,-136,-135,-122,-136,-31,-167,-152,-171,-180,-181,-186,-185,-185,-254,-254,-254,-254,-254,-246,-262,-262,-262,-262,-262,-246,-246,-246,-246,-246,-246,-246,-246,-246,-246,0,-246,-246,-246,-246,-246,0,-246,-246,-246]} 1. Nf3 {[%emt 0:00:11]} d5 {[%emt 0:01:32]} 2. c4 {[%emt 0:00:27]} e6 {[%emt 0:03:01]} 3. d4 {[%emt 0:01:11]} Nf6 {[%emt 0:00:48]} 4. Nc3 {[%emt 0:00:11]} Nbd7 {[%emt 0:02:28]} 5. cxd5 {[%emt 0:01:30]} Nxd5 {[%emt 0:00:48]} 6. e4 {[%emt 0:01:18]} Nxc3 {[%emt 0:00:46]} 7. bxc3 {[%emt 0:00:06]} c5 {[%emt 0:02:24]} 8. Bc4 {[%emt 0:07:31]} cxd4 {[%emt 0:01:58]} 9. cxd4 {[%emt 0:06:43]} Bb4+ {[%emt 0:01:29]} 10. Bd2 {[%emt 0:01:24]} Bxd2+ {[%emt 0:00:15]} 11. Qxd2 {[%emt 0:01:05]} O-O {[%emt 0:00:34]} 12. O-O {[%emt 0:00:39] D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} b6 {[%emt 0:01:57]} 13. Qe3 {[%emt 0:13:27]} Bb7 {[%emt 0:04:15]} 14. Nd2 {[%emt 0:02:54] The position is equal.} Nf6 {[%emt 0:02:20]} 15. f3 {[%emt 0:00:39] Wards off Ng4} Rc8 {[%emt 0:05:02]} 16. Rfd1 {[%emt 0:03:58]} Qd7 {[%emt 0:03:54]} 17. Bb3 {[%emt 0:05:44]} b5 {[%emt 0:12:15]} 18. e5 {[%emt 0:18:57]} (18. a4 $14) 18... Nd5 $15 {[%emt 0:07:32]} 19. Bxd5 {[%emt 0:00:12]} Bxd5 {[%emt 0:02:02]} 20. Ne4 {[%emt 0:00:33]} Bxe4 {[%emt 0:02:59]} 21. fxe4 {[%emt 0:00:12]} f6 {[%emt 0:04:12]} 22. exf6 {[%emt 0:03:11]} Rxf6 {[%emt 0:03:33]} 23. Rd2 {[%emt 0:07:11]} Qc7 {[%emt 0:05:49]} 24. Rad1 {[%emt 0:05:17]} Qb6 {[%emt 0:05:30]} 25. Kh1 {[%emt 0:06:45]} b4 {[%emt 0:04:58]} 26. Qe2 {[%emt 0:02:09]} a5 {[%emt 0:02:00]} 27. e5 {[%emt 0:02:55]} Rf7 {[%emt 0:01:08]} 28. d5 {[%emt 0:01:39]} exd5 {[%emt 0:00:19]} 29. Rxd5 {[%emt 0:00:52]} Re8 {[%emt 0:01:32]} 30. Rd6 {[%emt 0:01:29]} Qf2 {[%emt 0:03:31]} 31. Qc4 {[%emt 0:00:15] [#] Black must now prevent Rd8.} Qf4 {[%emt 0:00:30]} 32. R6d4 {[%emt 0:03:44]} Qxe5 {[%emt 0:03:59][%cal Oe5e1]} 33. Rf1 {[%emt 0:00:12] Inhibits Qe1.} (33. Rd8 $11 g6 34. Rxe8+ (34. R8d7 $2 {leads to mate.} Qe1+ {[%mdl 64] Back Rank} 35. Rxe1 Rxe1+) 34... Qxe8 35. h3) 33... Qc7 $19 {[%emt 0:04:05]} 34. Qd5 {[%emt 0:01:09]} Kf8 $40 {[%emt 0:01:54][%mdl 128] Black is up to no good.} (34... Kh8 $17 {[%cal Rf7f1]} 35. Rdd1 Rfe7) 35. Rfd1 {[%emt 0:01:35]} (35. Rdd1 $11 {was the only way to keep the balance.}) 35... Qe5 {[%emt 0:01:50][%cal Oe5e1] ( -> ...Qe1+!)} 36. h3 {[%emt 0:00:41]} Qxd5 {[%emt 0:00:38]} 37. Rxd5 $17 {[%emt 0:00:02][%mdl 4096] Endgame KRR-KRR} Ra8 {[%emt 0:00:18]} ({Black should play} 37... Ra7 $17 {Hoping for ...Re2.} 38. Rf1+ Kg8) 38. Kg1 {[%emt 0:00:26]} (38. Rb5 $1 $15) 38... Rb7 $19 {[%emt 0:00:41]} 39. Kf2 {[%emt 0:00:41]} a4 {[%emt 0:00:21][%cal Ba5a4,Ba4b3,Bb3b2][%mdl 32]} 40. Rb1 {[%emt 0:00:30]} b3 {[%emt 0:00:41]} 41. axb3 {[%emt 0:30:41]} axb3 {[%emt 0:30:53] Threatens to win with ...Ra2+.} 42. Rd3 {[%emt 0:00:00]} (42. Rd2 {might work better.}) 42... b2 {[%emt 0:00:00] ...Ra1 is the strong threat.} 43. Rd2 {[%emt 0:00:00] [#]} Rab8 $1 {[%emt 0:00:00]} 44. Re2 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 45. g3 {[%emt 0:00:00]} Rb3 {[%emt 0:00:00]} 46. Kg2 {[%emt 0:00:00]} R8b6 {[%emt 0:00:00]} 47. Kh2 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 48. h4 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 49. Rf2 {[%emt 0:00:00]} R6b4 {[%emt 0:00:00]} 50. Kh3 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 51. Rc2 {[%emt 0:00:00]} Kh6 {[%emt 0:00:00]} 52. Rf2 {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 53. Rc2 $1 {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 54. Rf2 {[%emt 0:00:00]} Rb6 {[%emt 0:00:00]} 55. Kh2 {[%emt 0:00:00]} R6b4 {[%emt 0:00:00]} 56. Kh3 $1 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 57. Kh2 {[%emt 0:00:00] Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "3.12"]
[White "Zezula, Jakub"]
[Black "Mrazek, Adam"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1963"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,89,34,47,39,46,20,18,11,100,106,117,91,271,267,532,538,770,760,1479,1460,1989,1495,1391,1279,1215,517,470,368,367,350,337,327,334,299,428,394,453,428,621,432,601,491,488,488,463,437,425,378,412,402,387,267,507,476,991,981,1002,999,1584,1515,1516,0,1029,1020,1020,1034,960,897,973,895,2055,1920,29979,29980,29980,29981,29989,29990,29991,29992,29992,29993]} 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. Nf3 {[%cal Bg1f3,Bf3g5,Bg5f7][%mdl 32]} b5 6. h4 {B06: Modern Defence.} Nf6 {[#]} 7. h5 $1 Nxh5 8. Ng5 {[#] Black must now prevent Qf3. The position is equal.} h6 $146 {[#]} (8... b4 $11 9. Bc4 e6) ({Predecessor:} 8... Nf6 9. e5 dxe5 10. dxe5 Qxd1+ 11. Rxd1 Ng4 12. Nd5 Bxe5 13. Bd4 O-O 14. Bxe5 Nxe5 15. Nxh7 {1-0 Efroimski,M (2442)-Chatalbashev,B (2529) Norway Chess op-A 2022 (5)}) 9. Nxf7 $1 $16 {White is more active.} Kxf7 10. e5 {Against Nf6} Bb7 {Dodges Qf3+} (10... Kg8 $16) 11. Bd3 $18 Qe8 $2 {[#]} (11... Nf4 {was worth a try.}) 12. Qg4 $1 Kg8 13. Bxg6 Qc8 14. Bf5 Qe8 15. Be6+ Kh7 16. Rxh5 {Black is weak on the light squares} Rf8 17. Bf5+ (17. Qh3 $142 {[%cal Rh5h6] Threatening mate with Rxh6+.} Qg6 18. Rg5 Qxg5 19. Bxg5) 17... Rxf5 18. Qxf5+ Qg6 19. Qxg6+ Kxg6 20. Rh4 Nd7 21. f4 h5 (21... Kf7 $142 22. a3 Rh8) 22. O-O-O b4 23. Ne2 a5 (23... Nb6 $142 24. Ng3 Rh8) 24. Rg1 c5 25. g4 Bf3 26. gxh5+ Kh7 {[#]} 27. h6 $1 Bh8 28. Kd2 Nb6 29. b3 {[%cal Bb2b3,Bb3c4][%mdl 32] Dodges Nc4+} ({Weaker is} 29. dxc5 Nc4+ 30. Kc1 (30. Kd3 Nxb2+ 31. Kd2 Nc4+ 32. Kd3 Nb2+ 33. Kd2 Nc4+ 34. Kd3 Nb2+ $11) 30... dxe5 $14) 29... c4 30. Rg5 ({But not} 30. f5 c3+ 31. Kd3 Bb7 32. exd6 exd6) 30... Nd5 $2 (30... a4 {keeps fighting.} 31. Rh3 axb3 32. axb3 (32. Rxf3 bxa2 33. Rf1 a1=Q $16) 32... Be4 33. exd6 exd6) 31. bxc4 Bxe2 (31... Nb6 $142 32. Kd3 Nxc4 33. Kxc4 Bxe2+ 34. Kd5 Ra6) 32. Kxe2 Nc3+ 33. Kd3 Nxa2 34. Rf5 {Hoping for Rg4.} Kg6 35. Rg5+ Kh7 36. exd6 exd6 37. Rb5 {And now Rb7+ would win.} Ra7 {Repels Rb7+} 38. Rhh5 a4 39. Ra5 Rxa5 40. Rxa5 {KRB-KBN} a3 41. f5 {White mates.} Bf6 42. Bd2 d5 43. c5 Kg8 44. c6 Bd8 45. Ra8 {Black got outplayed after the opening. A cool game by Zezula.   Weighted Error Value: White=0.57/Black=1.06} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.1"]
[White "Paseka, Matyas"]
[Black "Fizer, Marek"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2082"]
[BlackElo "1929"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,151,15,18,18,3,18,19,27,0,0,-7,0,-20,-9,-27,-32,-71,-48,-83,-44,-55,0,0,0,0,0,0,42,36,109,89,124,120,113,89,88,88,104,73,64,66,66,72,81,77,58,29,29,0,0,0,8,6,14,0,34,36,69,69,129,129,129,68,126,121,117,129,129,124,225,208,233,149,218,201,209,139,126,136,888,698,1318,1131,29943,29946,29945,5510,4607,4584,3881,1298,4564,4549,29940,4134,3976,3675,3248,3029,2824,2768,11989,5077,2017,1760,29960,29962,29960,29961,29961,29962,29964,29965,29957,29958,29967,29968,29968,29968,29973,29962,29973,29973,29972,29965,29962,29962,29970,29971,29971,29972,29971,29973,29972,29972,12764,12370]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:07]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:11]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:09]} 6. Be2 {[%emt 0:00:12]} e5 {[%emt 0:00:43]} 7. Nb3 {[%emt 0:00:05]} Be7 {[%emt 0:00:40]} 8. O-O {[%emt 0:00:12]} O-O {[%emt 0:01:13]} 9. Re1 {[%emt 0:00:09]} Be6 {[%emt 0:01:11] B92: Sicilian Najdorf: 6 Be2.} 10. Bf3 {[%emt 0:00:07]} Nbd7 {[%emt 0:02:17]} 11. a4 {[%emt 0:00:21][%cal Ba2a4,Ba4a5][%mdl 32]} Nb6 {[%emt 0:09:36] The position is equal.} 12. a5 {[%emt 0:06:55]} Nc4 {[%emt 0:01:16]} 13. Qd3 {[%emt 0:01:06]} Rc8 {[%emt 0:04:26]} 14. Ra4 {[%emt 0:03:43] [#]} Qd7 $146 {[%emt 0:03:14][%cal Oc4b2] next ...Nxb2! is good for Black.} ({Predecessor:} 14... Qc7 15. Be2 b5 16. axb6 Nxb6 17. Ra1 d5 18. exd5 Nbxd5 19. Nxd5 Bxd5 20. Bd1 Bb7 {0-1 Hoolt,S (2240)-Buenermann,V (2303) Oberliga NRW 0910 2009 (7.2)}) 15. Ra2 {[%emt 0:09:06]} Bd8 {[%emt 0:10:26][%cal Oc4a5]} 16. Nd5 {[%emt 0:04:39]} Re8 {[%emt 0:08:56]} 17. Bd2 {[%emt 0:07:34]} Bxd5 {[%emt 0:15:52]} 18. exd5 {[%emt 0:00:08]} Qb5 {[%emt 0:00:50]} ({Black should try} 18... b5 $15) 19. Bc3 $11 {[%emt 0:07:55]} b6 {[%emt 0:06:50]} 20. axb6 {[%emt 0:03:46]} Bxb6 {[%emt 0:01:21]} 21. Raa1 {[%emt 0:04:20]} Ba7 {[%emt 0:10:01]} 22. Na5 {[%emt 0:13:41]} Nb6 {[%emt 0:09:56]} ({Black should play} 22... Nxa5 $14 23. Qxb5 {[%mdl 64] Remove Defender} axb5) 23. Nc6 {[%emt 0:00:25][%mdl 64] Discovered Attack} Qxd3 {[%emt 0:06:26]} 24. cxd3 {[%emt 0:00:06]} Bb8 {[%emt 0:00:34]} 25. Nxb8 {[%emt 0:02:48]} Rxb8 {[%emt 0:00:33]} 26. Rxa6 {[%emt 0:00:05]} Nfxd5 {[%emt 0:00:49]} 27. Bxd5 {[%emt 0:00:19]} Nxd5 {[%emt 0:00:14]} 28. Rxd6 {[%emt 0:00:15]} Nxc3 {[%emt 0:00:23]} 29. bxc3 $16 {[%emt 0:00:04][%mdl 4096] Endgame KRR-KRR} f6 {[%emt 0:01:28]} 30. g3 {[%emt 0:02:30]} Rb2 {[%emt 0:04:24]} 31. Rd7 {[%emt 0:07:10] Ra1 would be deadly.} Ra8 $1 {[%emt 0:00:36] Against Ra1} 32. Re3 {[%emt 0:04:11]} Raa2 {[%emt 0:00:21]} 33. Rf3 {[%emt 0:00:05]} Rc2 {[%emt 0:00:46]} 34. c4 {[%emt 0:00:38]} Rd2 {[%emt 0:00:47]} 35. Rd5 {[%emt 0:04:19]} Rac2 {[%emt 0:00:29]} 36. g4 {[%emt 0:01:25][%cal Og4g5]} Kf7 {[%emt 0:00:32]} 37. g5 {[%emt 0:03:25]} Ke6 {[%emt 0:00:24]} (37... Rc3 $14) 38. gxf6 $1 {[%emt 0:00:05]} gxf6 {[%emt 0:00:07]} 39. Ra5 {[%emt 0:00:08]} (39. Rc5 $1 $16) 39... e4 {[%emt 0:00:30]} 40. dxe4 {[%emt 0:01:03]} Rxc4 {[%emt 0:00:14]} 41. Ra6+ {[%emt 0:31:54]} Ke5 {[%emt 0:03:05]} 42. Raxf6 {[%emt 0:00:00]} ({Resist} 42. Rfxf6 Rxe4 43. Rf7 Rg4+ 44. Kf1 h5) 42... Rc7 {[%emt 0:19:03]} (42... Ra2 $16) 43. Rf8 $18 {[%emt 0:00:00] Black must now prevent Re8+.} Re7 {[%emt 0:05:08] Repels Re8} 44. Ra3 {[%emt 0:00:00]} Rg7+ {[%emt 0:01:18]} (44... Re2 $16 {was necessary.} 45. Ra4 Rxe4 46. f4+ Kd6 47. Rf6+ Kd5 48. Rf5+ Kd6 49. Ra6+ Kd7) 45. Kf1 {[%emt 0:00:00]} Rb2 {[%emt 0:02:48]} (45... Kxe4 $2 46. Re3+ Kd4 47. Rd8+ Kc4 48. Rxd2 $18) 46. Re8+ {[%emt 0:00:00]} Kf4 {[%emt 0:00:34]} 47. Rg3 {[%emt 0:02:21]} Rxg3 {[%emt 0:02:14][%mdl 8192] This move loses the game for Black.} (47... Rb1+ $16 48. Kg2 Rg6) 48. hxg3+ $16 {[%emt 0:00:05] KR-KR} (48. fxg3+ Ke3 $16) 48... Kf3 {[%emt 0:00:09][%cal Rb2b1]} 49. Rf8+ {[%emt 0:00:03]} Kxe4 {[%emt 0:00:08] [#]} 50. Rf7 $1 {[%emt 0:00:07]} h5 {[%emt 0:01:08]} 51. Rf4+ {[%emt 0:00:06]} (51. Kg2 $142 Rb5 52. Kh3 Ke5 53. f4+ Ke6 54. Rf8 Ke7 55. Ra8 Kf7 56. Ra6) 51... Kd3 $18 {[%emt 0:00:18]} 52. Kg2 {[%emt 0:03:42]} Rb5 {[%emt 0:00:37]} 53. Kf3 {[%emt 0:00:10]} (53. Rf8 $142 Ke4 54. f3+ Ke5 55. f4+ Ke6 56. Kh3) 53... Rg5 {[%emt 0:00:43]} 54. Rf8 {[%emt 0:00:34]} Kd4 {[%emt 0:00:31]} 55. Re8 {[%emt 0:00:09]} (55. Kg2 $142 Rb5 56. Kh3 Ke5 57. f4+ Ke4 58. Kh4 Rb3 59. Rg8 (59. Kxh5 Rxg3 60. Kh4 Rg7 $11) 59... Kf5 60. Kxh5) 55... Rf5+ {[%emt 0:00:15]} 56. Kg2 {[%emt 0:00:09] Intending Rh8 and mate.} Kd5 {[%emt 0:00:17]} 57. Re2 {[%emt 0:00:20] White threatens Kh3 and mate.} Kd4 {[%emt 0:00:36]} 58. f3 {[%emt 0:01:16]} Kd5 {[%emt 0:00:48] Against Re6} 59. Re4 {[%emt 0:03:27]} Kd6 {[%emt 0:00:31]} 60. Re3 {[%emt 0:02:55] Threatening mate with Kh3.} Kd5 {[%emt 0:00:38] [#]} 61. Kh3 $1 {[%emt 0:02:06]} Kd4 {[%emt 0:00:31]} 62. Ra3 {[%emt 0:00:02]} Rc5 {[%emt 0:00:20]} 63. Kh4 {[%emt 0:00:13]} Rb5 {[%emt 0:00:19]} 64. f4 {[%emt 0:01:21]} Ke4 {[%emt 0:00:28]} 65. Ra8 {[%emt 0:03:39]} Kf3 {[%emt 0:00:49]} 66. Rg8 {[%emt 0:02:10]} Rb1 {[%emt 0:00:36]} 67. Kxh5 {[%emt 0:00:47]} Rh1+ {[%emt 0:00:26]} 68. Kg5 {[%emt 0:02:08]} Kxg3 {[%emt 0:00:11]} 69. Ra8 {[%emt 0:00:07]} Kf3 {[%emt 0:00:29]} 70. Ra4 {[%emt 0:00:06]} Rg1+ {[%emt 0:00:39]} 71. Kf5 {[%emt 0:00:05]} Ke3 {[%emt 0:00:38]} 72. Ke5 {[%emt 0:00:04]} Rb1 {[%emt 0:00:36]} 73. Ra3+ {[%emt 0:00:10]} Ke2 {[%emt 0:00:10]} 74. f5 {[%emt 0:00:08]} Rb5+ {[%emt 0:00:14]} 75. Kf6 {[%emt 0:00:08]} Rb1 {[%emt 0:00:16]} 76. Kg7 {[%emt 0:00:10] Weighted Error Value: White=0.14 (very precise) /Black=0.59} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.2"]
[White "Seidl, Jan"]
[Black "Janous, Marek"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2025"]
[BlackElo "2124"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,68,27,8,29,0,0,-68,-18,-18,-27,-24,-18,-42,23,0,3,24,22,-16,25,3,12,0,0,0,10,0,-2,0,37,43,71,45,74,68,151,99,99,110,106,72,62,60,75,25,27,27,28,25,26,15,50,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:14]} d5 {[%emt 0:00:08]} 2. g3 {[%emt 0:00:15]} g6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:10]} Bg7 {[%emt 0:00:07]} 4. Bg2 {[%emt 0:00:03]} c6 {[%emt 0:00:19]} 5. O-O {[%emt 0:00:15]} Nf6 {[%emt 0:00:06]} 6. c4 {[%emt 0:00:43]} dxc4 {[%emt 0:00:08] D73: Fianchetto Grünfeld: 5 Nf3 .} 7. a4 {[%emt 0:00:37]} Ne4 {[%emt 0:00:15]} 8. Ne5 {[%emt 0:01:13]} (8. Na3 $11) 8... Nd6 {[%emt 0:02:09]} (8... Nc5 $15) 9. Na3 $11 {[%emt 0:00:42]} O-O {[%emt 0:00:45]} 10. e3 {[%emt 0:04:47]} Be6 {[%emt 0:02:48][%cal Bc8e6,Be6f5,Bf5d3][%mdl 32] [#]} 11. Qc2 $146 {[%emt 0:00:48][%cal Ra3c4]} ({Predecessor:} 11. Qe2 Na6 12. Naxc4 Nxc4 13. Nxc4 Bd5 14. Rd1 Bxg2 15. Kxg2 Re8 16. b3 c5 17. Qf3 cxd4 18. exd4 {1-0 Jumabayev,R (2617)-Xiong,J (2691) Chess.com Rapid Wk21 Swiss 2022 (1)}) 11... Nd7 {[%emt 0:03:21]} (11... Na6 $15) 12. Naxc4 {[%emt 0:02:42]} Nxe5 {[%emt 0:04:22]} 13. Nxe5 {[%emt 0:00:10]} Rc8 {[%emt 0:08:14][%cal Oc6c5]} 14. b4 {[%emt 0:08:35]} Qb6 {[%emt 0:20:50]} 15. Bd2 {[%emt 0:08:00]} Bf5 {[%emt 0:11:51]} (15... Bxe5 {simplifies} 16. dxe5 Nc4 17. Bc3 Qc7) 16. Qb3 {[%emt 0:07:05]} c5 {[%emt 0:18:05]} 17. Bc3 {[%emt 0:05:24]} ({Of course not} 17. dxc5 Rxc5 18. Nd3 (18. a5 Qb5 $17) 18... Be6 $17) (17. a5 Qb5 $15) 17... c4 {[%emt 0:12:51]} 18. Qb2 {[%emt 0:01:48]} f6 {[%emt 0:03:06]} 19. Nf3 {[%emt 0:02:45]} Bd3 {[%emt 0:03:33]} 20. Rfd1 {[%emt 0:00:45]} Ne4 {[%emt 0:00:22]} 21. Ne1 {[%emt 0:01:13] Black must now prevent Rxd3.} Nxc3 {[%emt 0:01:45]} 22. Qxc3 {[%emt 0:00:07]} e5 {[%emt 0:00:35] [#]} (22... Be2 $14) 23. Nxd3 {[%emt 0:02:33]} ({Better is} 23. a5 $1 {[%cal Ra5b6]} Qb5 24. Nxd3 cxd3 25. Qxd3 Qxd3 26. Rxd3) 23... cxd3 {[%emt 0:00:49]} 24. Qxd3 {[%emt 0:00:58]} (24. Qb3+ {seems wilder.} Kh8 25. dxe5 fxe5 26. Ra2) 24... exd4 {[%emt 0:00:13] Black is weak on the light squares} (24... Qxb4 $2 25. dxe5 fxe5 26. Rdb1 $18) 25. Qxd4 {[%emt 0:00:19]} Qxd4 {[%emt 0:00:49]} 26. exd4 {[%emt 0:00:35]} ({Worse is} 26. Rxd4 f5 27. Bxb7 (27. Bd5+ Kh8 $17) 27... Bxd4 28. exd4 Rb8 29. Bd5+ Kg7 $17) 26... Rfd8 {[%emt 0:00:28]} 27. d5 {[%emt 0:01:18]} (27. Bxb7 $16 Rb8 28. Bc6) 27... Bf8 {[%emt 0:00:35]} 28. b5 {[%emt 0:00:19][%cal Od5d6]} Bd6 {[%emt 0:00:43]} 29. Rac1 {[%emt 0:00:04]} Kf7 {[%emt 0:00:46]} 30. a5 {[%emt 0:00:55]} Rc5 {[%emt 0:01:54]} 31. b6 {[%emt 0:05:53]} (31. Rxc5 $14 Bxc5 32. Kf1) 31... axb6 {[%emt 0:01:54] The position is equal.} 32. axb6 {[%emt 0:00:05]} Rdc8 {[%emt 0:00:15]} 33. Rb1 {[%emt 0:00:43]} Ra8 {[%emt 0:01:17]} 34. Bh3 {[%emt 0:00:25]} f5 {[%emt 0:00:16] Weighted Error Value: White=0.18 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.3"]
[White "Simunek, Jakub Simon"]
[Black "Prazak, Daniel"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1970"]
[BlackElo "2064"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,66,0,23,20,23,8,9,0,0,0,0,0,30,-16,-5,-18,20,10,8,0,0,-7,-6,-20,-25,-106,-50,-108,-61,-114,-101,-155,-79,-161,-155,-136,-153,-153,-121,-182,-191,-276,-258,-437,-440,-424,-438,-428,-428,-415,-395,-693,-683,-660,-624,-29996,-29997,-29997,-29998]} 1. e4 {[%emt 0:01:02]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:22]} e6 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:49]} Nc6 {[%emt 0:00:08]} 4. Bg2 {[%emt 0:00:14]} Nf6 {[%emt 0:00:07]} 5. d3 {[%emt 0:00:42]} a6 {[%emt 0:00:56]} 6. O-O {[%emt 0:05:58] B40: Sicilian: 2...e6, Unusual lines.} d6 {[%emt 0:00:32]} 7. c3 {[%emt 0:01:22]} Be7 {[%emt 0:01:13]} 8. Qe2 {[%emt 0:01:23] The position is equal.} O-O {[%emt 0:02:13]} 9. d4 {[%emt 0:05:17] [#]} d5 $146 {[%emt 0:00:53]} ({Predecessor:} 9... Re8 10. e5 Nd7 11. h4 d5 12. Nbd2 Nf8 13. Rd1 cxd4 14. cxd4 Bd7 15. Nf1 Rc8 {1-0 Acosta,M (1942)-Koryabkin,V (2072) Wch Seniors 65 24th 2014 (11)}) 10. e5 {[%emt 0:13:20]} Ne4 {[%emt 0:00:41]} 11. Nbd2 {[%emt 0:00:36]} (11. Rd1 $142) 11... Nxd2 $1 $11 {[%emt 0:02:01]} 12. Bxd2 {[%emt 0:00:38]} Bd7 {[%emt 0:01:22]} 13. h4 {[%emt 0:03:49]} Rc8 {[%emt 0:03:37]} 14. Rfd1 {[%emt 0:14:16]} cxd4 {[%emt 0:08:09]} 15. cxd4 {[%emt 0:01:47]} Qb6 {[%emt 0:01:08][%csl LRb2,LRd4]} 16. Bg5 {[%emt 0:05:57]} Bxg5 {[%emt 0:03:59]} 17. Nxg5 {[%emt 0:00:08]} (17. hxg5 $11 Rc7 18. Bf1) 17... h6 {[%emt 0:04:02]} (17... Nxd4 $17 18. Qe3 Rc4) 18. Nh3 {[%emt 0:01:11]} (18. Nf3 $15) 18... Ne7 {[%emt 0:03:55]} ({Better is} 18... Nxd4 $17 19. Qe3 Rc4) 19. Nf4 {[%emt 0:07:33]} (19. b3 $15) 19... Rc4 $36 {[%emt 0:04:53][%mdl 2048] Keeping White busy.} 20. Rac1 {[%emt 0:05:55]} (20. Bxd5 $142 exd5 21. Nxd5 {[%mdl 64] Remove Defender} Nxd5 22. Qxc4) 20... Rfc8 {[%emt 0:04:42]} (20... Rxc1 $142 21. Rxc1 Qxd4) 21. Qd2 {[%emt 0:05:50]} (21. Rxc4 $17 Rxc4 22. Bxd5 {[%mdl 64] Remove Defender} exd5 23. Nxd5 {[%mdl 64] Remove Defender} Nxd5 24. Qxc4) 21... Rxc1 $19 {[%emt 0:04:20]} 22. Rxc1 {[%emt 0:00:06]} Rxc1+ {[%emt 0:00:13]} 23. Qxc1 {[%emt 0:00:04]} Nc6 {[%emt 0:00:20]} ({Resist} 23... Qxd4 24. Qc7 Qd1+ 25. Kh2 $16) 24. Ne2 {[%emt 0:06:46]} (24. Nd3 $17) 24... Nxd4 {[%emt 0:00:28]} 25. Nxd4 {[%emt 0:00:07]} (25. Nf4 {was worth a try.}) 25... Qxd4 {[%emt 0:00:11][%mdl 4096] Endgame KQB-KQB} 26. Qc7 $2 {[%emt 0:00:05] [#]} (26. Qc3 Qd1+ 27. Kh2) 26... Bc6 $1 {[%emt 0:00:41]} 27. Qd8+ {[%emt 0:00:30]} Kh7 {[%emt 0:00:12]} 28. Qc7 {[%emt 0:00:08]} Qxb2 {[%emt 0:00:28]} 29. Qxf7 {[%emt 0:00:22]} Qxe5 {[%emt 0:00:08]} 30. Bh3 $2 {[%emt 0:01:34]} (30. g4) 30... Qe1+ {[%emt 0:00:06]} 31. Kh2 {[%emt 0:00:05]} d4 {[%emt 0:00:18][%csl Gc6][%cal Re1h1] [#]} 32. g4 {[%emt 0:01:33]} Qh1+ {[%emt 0:00:19]} 33. Kg3 {[%emt 0:00:03]} Qg1+ {[%emt 0:00:11] Weighted Error Value: White=0.67/Black=0.13 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.4"]
[White "Lang, Simon"]
[Black "Tillmann, Stanislav"]
[Result "1-0"]
[ECO "B85"]
[WhiteElo "1974"]
[BlackElo "1907"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 24,46,0,-22,-22,-25,-19,-14,-6,-20,-21,0,8,9,14,17,190,185,147,-18,50,50,384,401,896]} 1. e4 {[%emt 0:00:33]} c5 {[%emt 0:00:16]} 2. Nf3 {[%emt 0:00:44]} e6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:53]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:38]} a6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:01:16]} Qc7 {[%emt 0:00:12]} 6. Be2 {[%emt 0:03:13]} Nf6 {[%emt 0:02:25]} 7. O-O {[%emt 0:03:38]} d6 {[%emt 0:01:59]} 8. Be3 {[%emt 0:01:18]} Be7 {[%emt 0:00:58]} 9. f4 {[%emt 0:01:32]} Nbd7 {[%emt 0:02:08]} 10. Qe1 {[%emt 0:02:36]} b5 {[%emt 0:03:48]} 11. a3 {[%emt 0:01:37]} Bb7 {[%emt 0:01:43]} 12. Bf3 {[%emt 0:03:35]} O-O {[%emt 0:05:31]} 13. Qg3 {[%emt 0:04:47]} Nb6 {[%emt 0:05:09] B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3.} 14. e5 {[%emt 0:16:36]} Nfd5 {[%emt 0:07:32] [#]} 15. Bxd5 $146 {[%emt 0:13:24]} ({Predecessor:} 15. Nxd5 Nxd5 16. Bd2 dxe5 17. fxe5 Bc5 18. c3 Ne7 19. Bxb7 Qxb7 20. Be3 Rad8 21. Kh1 Bxd4 22. Bxd4 {½-½ De Oliveira,M (2574)-Acevedo Villalba,A (2524) LIPEAP jub30-A corr 2002}) 15... Nxd5 {[%emt 0:01:11] The position is equal.} 16. Nxd5 {[%emt 0:01:54]} Bxd5 {[%emt 0:01:04]} 17. f5 {[%emt 0:01:22]} dxe5 {[%emt 0:10:16] And now ...Kh8 would win.} 18. f6 {[%emt 0:02:42]} Bxf6 {[%emt 0:00:13]} 19. Rxf6 $40 {[%emt 0:01:51][%mdl 128] Strongly threatening Bh6. White is up to no good.} Qe7 $2 {[%emt 0:00:05] [#]} (19... Kh8 $1 $11 {and Black is okay.} 20. Rf2 f5) 20. Raf1 $1 $18 {[%emt 0:03:17][%cal Oe3h6] Bh6! is the strong threat.} exd4 {[%emt 0:00:34]} 21. Bxd4 {[%emt 0:00:20]} (21. Bh6 $16 {[%csl Gh6][%cal Rg3g7]} g6 22. Qe5) 21... Rae8 {[%emt 0:06:32] Black is weak on the dark squares} ({Much less strong is} 21... e5 22. Bxe5 g6 23. Bc3 $14) (21... Bc4 $1 $11 22. Re1 Rad8) 22. Be5 $14 {[%emt 0:10:57][%mdl 1024] h4 would be deadly. White has compensation.} Kh8 $2 {[%emt 0:05:36][%mdl 8192]} (22... Qc5+ $14 23. R6f2 f6) 23. h4 $18 {[%cal Oh4h5] h5! would kill now.} Kg8 {Weighted Error Value: White=0.19 (very precise) /Black=1.09} (23... Be4 $142 24. h5 Bg6) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.5"]
[White "Kubin, Tomas Daniel"]
[Black "Hladky, Tadeas"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1936"]
[BlackElo "1973"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,71,67,72,41,43,3,3,0,0,-63,-59,-53,-46,-58,-31,-33,-28,-29,-26,-33,-41,-37,-39,-48,-20,-52,-17,-18,-19,-19,-18,-14,0,-58,-3,-3,-3,-4,-7,-105,-105,-112,-31,-20,5222,5206,29989,29990,29990,29991,29991,29992]} 1. e4 {[%emt 0:00:05][%cal Be2e4,Be4e5][%mdl 32]} Nf6 {[%emt 0:05:00]} 2. e5 {[%emt 0:00:23]} Nd5 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:22]} Nb6 {[%emt 0:00:14]} 4. d4 {[%emt 0:00:10]} d6 {[%emt 0:00:03]} 5. exd6 {[%emt 0:00:21]} cxd6 {[%emt 0:00:05]} 6. Nc3 {[%emt 0:00:45]} g6 {[%emt 0:00:05]} 7. Be3 {[%emt 0:00:54]} Bg7 {[%emt 0:00:05]} 8. Rc1 {[%emt 0:01:11]} O-O {[%emt 0:00:08]} 9. b3 {[%emt 0:00:39]} Nc6 {[%emt 0:00:15]} 10. d5 {[%emt 0:01:36]} Ne5 {[%emt 0:00:08]} 11. Be2 {[%emt 0:00:47]} h5 {[%emt 0:01:17]} 12. h3 {[%emt 0:01:46] B03: Alekhine's Defence: Four Pawns Attack.} e6 {[%emt 0:00:08]} 13. dxe6 {[%emt 0:10:21]} Bxe6 {[%emt 0:00:17]} 14. Nf3 {[%emt 0:00:42] The position is equal.} d5 {[%emt 0:17:58]} 15. c5 {[%emt 0:11:44]} (15. cxd5 $11 Nxd5 16. Nxd5 Qa5+ 17. Qd2 Qxd2+ {[%mdl 64] Remove Defender} 18. Nxd2 Bxd5 19. O-O) 15... Nxf3+ $15 {[%emt 0:02:43]} 16. Bxf3 {[%emt 0:01:18]} d4 $1 {[%emt 0:00:44] [#]} 17. Bxd4 $146 {[%emt 0:08:25]} ({Predecessor:} 17. cxb6 dxe3 18. Qxd8 exf2+ 19. Kxf2 Rfxd8 20. Bxb7 Bd4+ 21. Ke2 Rab8 22. Bf3 Rxb6 23. Rhd1 {1-0 Draghici Flutur,G (2038)-Menendez Solar,J (1965) Calpe op 2004 (2)}) 17... Bxd4 {[%emt 0:02:49]} 18. cxb6 {[%emt 0:00:23]} Qxb6 {[%emt 0:03:24]} 19. O-O {[%emt 0:01:35] White is weak on the dark squares} Rad8 {[%emt 0:08:17]} 20. Qe2 {[%emt 0:05:25]} Qa5 {[%emt 0:02:45]} 21. Ne4 {[%emt 0:04:28]} Rfe8 {[%emt 0:05:07]} 22. Rfd1 {[%emt 0:09:40][%cal Od1d4]} Qe5 {[%emt 0:06:22]} 23. Ng3 {[%emt 0:10:46]} Qg5 {[%emt 0:13:11] [#] ...Bd5 is the strong threat.} (23... Qxg3 24. Rxd4 Qb8 25. Rxd8 Rxd8 26. Qe3 $11) (23... b6 {simplifies} 24. Qxe5 Bxe5 25. Nf1 Bf4) 24. Ne4 {[%emt 0:06:16]} Qf4 {[%emt 0:02:06] ...Bf5 would be deadly.} (24... Bxh3 $2 25. Nxg5 Rxe2 26. Bxe2 $18) 25. Qd2 {[%emt 0:03:19]} Qh4 {[%emt 0:08:47]} 26. Qh6 {[%emt 0:04:28]} Bf5 {[%emt 0:18:04] A strong pair of Bishops.} 27. Ng3 {[%emt 0:04:34]} (27. Rxd4 $1 $11 Bxe4 28. Qe3 Rxd4 29. Qxd4) 27... Bxh3 {[%emt 0:02:43]} ({Of course not} 27... Qxg3 28. Rxd4 (28. Bxb7 Bxf2+ 29. Kh1 Rxd1+ 30. Rxd1 Bxh3) 28... Qb8 29. Rf4 $11) (27... Bd3 28. Rxd3 Bxf2+ 29. Kxf2 $11) (27... Bc8 $15) 28. Rxd4 $11 {[%emt 0:01:27]} Rxd4 {[%emt 0:00:03]} 29. gxh3 $40 {[%emt 0:00:18][%mdl 128] Black needs to defend precisely.} Qxh3 {[%emt 0:00:22]} 30. Bg2 {[%emt 0:06:47]} (30. Bxb7 $11 Qg4 31. Bg2) 30... Qg4 $17 {[%emt 0:00:51]} 31. Nf1 {[%emt 0:02:49]} Qe2 {[%emt 0:01:07]} ({Better is} 31... Rf4 $17 {[%cal Of4f2] Hoping for ...Rxf2!} 32. Rc2 b5) 32. Ne3 $15 {[%emt 0:00:58]} Qxa2 $2 {[%emt 0:00:42][%mdl 8192] [#] Loses the game.} (32... Qb5 $11) 33. Bd5 {[%emt 0:00:59]} Qa5 {[%emt 0:00:23]} 34. Qxg6+ {[%emt 0:00:24] White mates.} ({Stronger than} 34. Bxb7 Qd2 35. Rc6 Qe1+ 36. Kg2 Qb1 $17) 34... Kh8 {[%emt 0:00:02]} 35. Qf6+ {[%emt 0:00:27]} Kh7 {[%emt 0:00:34]} 36. Qxf7+ {[%emt 0:00:51] A superb game by Kubin.   Weighted Error Value: White=0.20 (precise) /Black=0.35} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.6"]
[White "Werner, Hong Quan Dan"]
[Black "Pelc, Adam"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2085"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,42,74,61,80,84,91,90,91,91,216,221,261,253,260,194,432,410,627,544,670,578,929,898,925,891,864,859,1306,1084,29998,29999,29999]} 1. e4 {[%emt 0:00:03] Golod,Vitali} e6 {[%emt 0:00:19]} 2. d4 {[%emt 0:00:39]} b6 {[%emt 0:00:45]} 3. Bd3 {[%emt 0:03:35]} Bb7 {[%emt 0:00:27]} 4. c4 {[%emt 0:01:56]} Bb4+ {[%emt 0:07:12]} 5. Nc3 {[%emt 0:01:32]} Nf6 {[%emt 0:02:34]} 6. Qc2 {[%emt 0:01:35]} c5 {[%emt 0:05:39]} 7. d5 {[%emt 0:03:44]} exd5 {[%emt 0:06:04] E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 8. exd5 {[%emt 0:00:08]} b5 {[%emt 0:04:50]} 9. b3 {[%emt 0:02:03]} bxc4 {[%emt 0:05:44] White is better.} 10. bxc4 {[%emt 0:00:16] [#]} Qe7+ $146 {[%emt 0:11:20]} (10... O-O $16 {keeps fighting.}) ({Predecessor:} 10... O-O 11. Nge2 d6 12. Bf4 h6 13. O-O Nh5 14. Bd2 Nd7 15. f4 Nb6 16. g4 Nf6 {1-0 Ivanov,S (2557)-Novikov,M (2401) St Petersburg-ch 2003 (1)}) 11. Nge2 $18 {[%emt 0:00:25]} Bxc3+ {[%emt 0:06:06]} 12. Qxc3 {[%emt 0:00:04]} O-O {[%emt 0:00:36]} 13. Bb2 {[%emt 0:05:48] 0-0 is the strong threat.} Ne8 $2 {[%emt 0:06:30]} (13... d6 14. O-O Re8) 14. O-O {[%emt 0:00:48]} f5 {[%emt 0:01:16]} (14... d6 $142 15. Ng3 Bc8) 15. Rae1 {[%emt 0:00:40][%cal Ba1e1,Be1e7,Be7e8][%mdl 32] [#] Ng3 would be deadly.} Qg5 {[%emt 0:03:41]} 16. f4 {[%emt 0:01:01]} Qg6 {[%emt 0:03:00]} 17. Ng3 {[%emt 0:01:43] And now Nxf5 would win.} Nd6 {[%emt 0:02:21]} 18. Re7 {[%emt 0:01:34][%cal Re7g7]} Rf7 {[%emt 0:01:45] [#]} 19. Nxf5 $1 {[%emt 0:11:42][%mdl 576] Deflection} Nxf5 {[%emt 0:01:44]} (19... Qxf5 20. Bxf5) 20. Bxf5 {[%emt 0:01:07]} Qxf5 {[%emt 0:00:11]} 21. Re8+ {[%emt 0:00:06]} Rf8 {[%emt 0:00:05]} 22. Qxg7# {[%emt 0:00:04] Black got outplayed after the opening. Excellently played by Werner!   Weighted Error Value: White=0.33/Black=1.33} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.7"]
[White "Mametev, Artem"]
[Black "Vilimek, Vit"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2074"]
[BlackElo "2018"]
[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 9,88,5,9,11,51,-1,10,0,0,0,0,-7,0,-34,-37,-50,-4,-11,-4,-17,0,-4,-7,-35,-56,-51,-30,-37,-39,-27,-27,-89,-95,-124,-129,-109,-13,-53,-31,-59,-33,-75,-59,-70,-8,-7,-7,-8,-7,-7,-7,-8,-8,-8,-8,-8,-8,-8,0,-12,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,766]} 1. e4 {[%emt 0:00:02]} c6 {[%emt 0:00:01]} 2. d4 {[%emt 0:00:08][%cal Bd2d4,Bd4c5][%mdl 32]} d5 {[%emt 0:00:02]} 3. e5 {[%emt 0:00:03]} c5 {[%emt 0:00:05]} 4. dxc5 {[%emt 0:00:12]} e6 {[%emt 0:00:02]} 5. Be3 {[%emt 0:00:12]} Nd7 {[%emt 0:00:06]} 6. Nf3 {[%emt 0:00:58] B12: Caro-Kann: Advance Variation.} Ne7 {[%emt 0:01:01]} 7. c3 {[%emt 0:18:22]} (7. c4 $14) 7... Nc6 {[%emt 0:01:46][%csl LRc5,LRe5]} 8. Bb5 {[%emt 0:01:54]} Bxc5 {[%emt 0:00:32]} 9. Bxc5 {[%emt 0:00:40]} Nxc5 {[%emt 0:00:01]} 10. O-O {[%emt 0:02:41]} Qb6 {[%emt 0:02:36] [#]} 11. Bxc6+ $146 {[%emt 0:03:21]} ({Predecessor:} 11. a4 O-O 12. Nbd2 a5 13. Qe2 Na7 14. b4 Nd7 15. Bd3 h6 16. b5 Nc5 17. Bc2 {0-1 Kovchan,A (2536)-Kornev,A (2558) Serpukhov-A 2003 (9)}) 11... bxc6 {[%emt 0:00:10]} 12. b4 {[%emt 0:03:05]} Ne4 {[%emt 0:04:16]} (12... Nd7 $15) 13. Nfd2 $11 {[%emt 0:01:28]} Nxd2 {[%emt 0:00:36]} ({Don't play} 13... Ba6 14. Nxe4 dxe4 15. Re1 $14) 14. Nxd2 {[%emt 0:00:28]} c5 {[%emt 0:05:01]} 15. Qg4 {[%emt 0:01:43]} O-O {[%emt 0:00:58]} 16. bxc5 {[%emt 0:03:55]} Qxc5 {[%emt 0:00:49]} 17. Qd4 {[%emt 0:00:04]} Qa5 {[%emt 0:05:11]} 18. Nb3 {[%emt 0:00:44]} Qc7 19. Nc5 {[%emt 0:08:03]} a5 {[%emt 0:23:15]} 20. f4 {[%emt 0:03:54]} (20. Rfc1 $11) 20... Ba6 $17 {[%emt 0:07:02]} 21. Nxa6 {[%emt 0:03:14]} Rxa6 {[%emt 0:00:02]} 22. f5 {[%emt 0:05:00]} Qa7 {[%emt 0:26:49]} (22... Rc8 $17 23. f6 Rc6) 23. fxe6 {[%emt 0:03:47]} fxe6 {[%emt 0:01:36]} 24. Rxf8+ {[%emt 0:00:12]} Kxf8 {[%emt 0:00:02]} 25. Rb1 {[%emt 0:01:40] [#]} Qxd4+ $1 {[%emt 0:00:21]} 26. cxd4 {[%emt 0:00:01][%mdl 4096] Endgame KR-KR} Kf7 {[%emt 0:00:09]} ({Better is} 26... Rc6 $15) 27. Rb7+ {[%emt 0:10:52] The position is equal.} Kg6 {[%emt 0:00:09]} 28. Re7 {[%emt 0:00:26]} Rc6 {[%emt 0:02:29]} 29. g4 {[%emt 0:00:25]} Rc4 {[%emt 0:11:31]} 30. Rxe6+ {[%emt 0:00:40]} Kf7 {[%emt 0:00:01]} 31. Rd6 {[%emt 0:03:14]} Rxd4 {[%emt 0:00:02]} 32. h3 {[%emt 0:00:07]} Rd2 {[%emt 0:01:33]} 33. a4 {[%emt 0:01:37]} h6 {[%emt 0:01:25]} 34. Kf1 {[%emt 0:00:55]} Rh2 {[%emt 0:05:45]} 35. Rxd5 {[%emt 0:00:18]} Rxh3 {[%emt 0:00:05]} 36. Kg2 {[%emt 0:00:34]} Re3 {[%emt 0:00:33]} 37. Rxa5 {[%emt 0:00:14]} Ke6 {[%emt 0:01:05]} 38. Ra7 {[%emt 0:01:04]} Rxe5 {[%emt 0:01:11]} 39. Rxg7 {[%emt 0:02:18]} Re4 {[%emt 0:00:02]} 40. a5 {[%emt 0:00:28]} Kf6 {[%emt 0:00:08] Dodges Rg6+} 41. Kf3 {[%emt 0:30:27]} Ra4 {[%emt 0:30:07]} 42. Ra7 {[%emt 0:00:34]} Ra3+ {[%emt 0:00:08]} 43. Kf4 {[%emt 0:01:12] [#] aiming for Ra6+.} Ra4+ {[%emt 0:00:04]} 44. Kg3 {[%emt 0:00:13]} Ke5 $2 {[%mdl 40960] Weighted Error Value: White=0.10 (very precise) /Black=0.13 (very precise) . An unexpected result.} (44... Kg5 $11) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.8"]
[White "Dolensky, Filip"]
[Black "Slaby, Matej"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2108"]
[BlackElo "1932"]
[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 14,107,45,49,93,79,80,62,116,83,120,110,140,64,112,117,127,102,166,169,172,172,172,175,164,131,129,117,150,93,102,49,33,14,79,46,35,46,84,96,94,64,120,61,66,0,0,-32,-27,-81,-77,-97,8,8,8,8,20,20,20,0,0,0,0,0,0,0,40,24,39,3,66,53,158,158,189,189,338,332,325,288,362,350,356,350,344,319,358,284,678,656,915,822,596,592,704,688]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:22]} d5 {[%emt 0:00:07]} 3. exd5 {[%emt 0:00:06]} cxd5 {[%emt 0:00:07]} 4. Bd3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:25]} 5. c3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:10]} 6. Bf4 {[%emt 0:00:30]} Qb6 {[%emt 0:02:08]} 7. Qb3 $1 {[%emt 0:00:43] The main line 7.Qb3 scores better than 7.Qc2.} Qxb3 {[%emt 0:00:51]} 8. axb3 {[%emt 0:00:28]} Bg4 {[%emt 0:00:18] B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. Nd2 {[%emt 0:00:43]} e6 {[%emt 0:00:19]} 10. b4 {[%emt 0:01:50]} Nd7 {[%emt 0:08:33]} (10... Nh5 $14 11. Bg3 g6) 11. Ngf3 {[%emt 0:07:09]} Be7 {[%emt 0:06:20]} 12. O-O {[%emt 0:01:12]} O-O {[%emt 0:00:15] [#]} 13. Ra2 $146 {[%emt 0:01:20]} (13. b5 $16 Nd8 14. Rfe1) ({Predecessor:} 13. b5 Nd8 14. Ne5 Nxe5 15. dxe5 Bc5 16. b4 Bb6 17. c4 dxc4 18. Nxc4 Bd4 19. Rac1 {1-0 Castellanos Rodriguez,C (1821)-Nino Perez,D (1982) Tercer Piso op 2015 (1)}) 13... f6 {[%emt 0:06:00]} (13... a6 $14 {should be considered.}) 14. b5 $16 {[%emt 0:07:17]} Nd8 {[%emt 0:00:18][%cal Oe6e5]} 15. h3 {[%emt 0:01:17]} Bxf3 {[%emt 0:05:22]} (15... Bf5 $16 16. Bxf5 exf5) 16. Nxf3 $18 {[%emt 0:01:05]} (16. gxf3 $6 e5 $14) 16... Nf7 {[%emt 0:00:15]} 17. Re1 {[%emt 0:01:13]} e5 {[%emt 0:07:36] Black is weak on the light squares} 18. dxe5 {[%emt 0:30:36]} fxe5 {[%emt 0:00:17]} 19. Bf5 {[%emt 0:10:28]} Nb6 {[%emt 0:06:36]} 20. Be3 {[%emt 0:03:05] aiming for Be6. A strong pair of Bishops.} ({Reject} 20. Nxe5 $6 Nxe5 21. Rxe5 Bd6 $11) 20... Bf6 {[%emt 0:12:10]} 21. Be6 {[%emt 0:07:10] White is much more active.} (21. Rea1 $142 {[%cal Oe3b6] Bxb6! is the strong threat.} Rad8 22. Rxa7) 21... Rae8 {[%emt 0:03:01]} 22. Bxf7+ {[%emt 0:03:26]} (22. Bg4 $16) 22... Rxf7 $14 {[%emt 0:00:15]} 23. b3 {[%emt 0:09:49]} Rfe7 {[%emt 0:08:26]} (23... Nc8 $11) 24. Rd1 {[%emt 0:03:07]} (24. Rxa7 $5 {[%cal Re3b6]} d4 25. cxd4 exd4 26. Bd2 $14) 24... d4 {[%emt 0:03:20]} 25. cxd4 {[%emt 0:00:04]} e4 {[%emt 0:00:14]} 26. Nd2 {[%emt 0:02:32]} Nd5 {[%emt 0:00:45]} 27. Rc2 {[%emt 0:00:17] Wards off Nc3} Nc7 {[%emt 0:03:26] [#]} (27... Rd7 $14) 28. b6 $1 {[%emt 0:01:57][%mdl 512]} axb6 {[%emt 0:00:56]} 29. Nc4 {[%emt 0:00:04]} ({White should play} 29. Nxe4 $1 $14 Nd5 30. Nxf6+ gxf6 31. Ra1) 29... Nd5 $11 {[%emt 0:00:56]} 30. Rcd2 {[%emt 0:02:00]} Rd8 {[%emt 0:01:51]} 31. Kf1 {[%emt 0:02:41]} (31. Rc2 $11) 31... b5 $17 {[%emt 0:03:01]} 32. Ne5 {[%emt 0:00:34]} Bxe5 {[%emt 0:01:08]} ({Black should try} 32... Rc7 $17 {Strongly threatening ...Rc3.} 33. Ng4 Rc3) 33. dxe5 $11 {[%emt 0:00:04]} Nxe3+ {[%emt 0:00:11]} 34. fxe3 $17 {[%emt 0:00:07][%mdl 4096] Endgame KRR-KRR} Rf8+ {[%emt 0:00:55]} 35. Kg1 {[%emt 0:00:28]} Rxe5 {[%emt 0:00:10]} 36. Rd8 {[%emt 0:00:45]} Rxd8 {[%emt 0:00:54]} 37. Rxd8+ $11 {[%emt 0:00:06] KR-KR} Kf7 {[%emt 0:00:07]} 38. Rd7+ {[%emt 0:00:04]} Re7 {[%emt 0:00:15]} 39. Rd5 {[%emt 0:00:05]} b6 {[%emt 0:01:04]} 40. Rxb5 {[%emt 0:00:04]} Re6 {[%emt 0:00:05]} 41. Kf2 {[%emt 0:31:12]} Ke7 {[%emt 0:31:06]} (41... Rf6+ $11 42. Kg1 Rc6) 42. Kg3 {[%emt 0:00:23]} h6 {[%emt 0:01:41]} (42... Rg6+ $14 43. Kh2 Kd7) 43. Kf4 $16 {[%emt 0:01:22] Hoping for Re5.} Kd7 {[%emt 0:03:02]} 44. g4 {[%emt 0:00:00]} g6 {[%emt 0:00:00] [#]} (44... Rg6 {might work better.} 45. Rd5+ (45. Kxe4 Ke7 $16) 45... Ke7 46. Kxe4 Rc6) 45. h4 $1 $18 {[%emt 0:00:00]} Rf6+ {[%emt 0:00:00]} 46. Kxe4 {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 47. Re5 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 48. g5 {[%emt 0:00:00]} hxg5 {[%emt 0:00:00]} 49. Rxg5 {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 50. Kd4 {[%emt 0:00:00]} Re6 $2 {[%emt 0:00:00]} (50... Ke7 51. Re5+ Kd7) 51. e4 {[%emt 0:00:00][%cal Be3e4,Be4e5][%mdl 32] White is clearly winning.} Kc6 {[%emt 0:00:00]} 52. e5 {[%emt 0:00:00] Repels Rf6} Kd7 {[%emt 0:00:00]} 53. Kd5 {[%emt 0:00:00]} Rc6 {[%emt 0:00:00]} 54. b4 {[%emt 0:00:00] Inhibits Rc5+.   Weighted Error Value: White=0.20 (precise) /Black=0.39} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.9"]
[White "Svoboda, Daniel"]
[Black "Zezula, Jakub"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "1748"]
[BlackElo "1963"]
[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 14,105,16,21,39,37,26,25,30,29,21,7,13,5,52,61,62,66,100,107,104,39,91,77,82,85,136,81,81,91,84,14,7,-28,0,0,0,0,0,0,0,-28,23,37,68,68,77,70,70,70,281,274,281,272,224,220,228,37,214,97,426,407,508,431,359,189,760,752,736,721,652,647,2167,1960,12835,12835,12836,12837,12837,12837,12838,12837,12837,12838,12838,12838,12839,12839,12839,12840,12841,12842,12842,12842]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 {[%emt 0:00:57]} 5. Nxd4 {[%emt 0:01:09]} Bb4 {[%emt 0:00:04]} 6. Nxc6 {[%emt 0:00:12]} bxc6 {[%emt 0:00:04]} 7. Bd3 {[%emt 0:00:08]} d6 {[%emt 0:00:05]} 8. Bg5 {[%emt 0:04:48][%cal Bc1g5,Bg5h4,Bh4g3,Bg3f2][%mdl 32]} h6 {[%emt 0:00:00][%cal Bh7h6,Bh6h5,Bh5h4][%mdl 32] C47: Scotch Four Knights and Four Knights with 4 g3.} 9. Bh4 {[%emt 0:00:00]} Be6 {[%emt 0:00:11]} 10. O-O {[%emt 0:02:23]} g5 {[%emt 0:00:06] White has an edge.} 11. Bg3 {[%emt 0:03:28]} h5 {[%emt 0:01:35] Threatens to win with ...h4.} 12. f3 {[%emt 0:32:36]} h4 {[%emt 0:16:20]} 13. Bf2 {[%emt 0:02:12]} g4 {[%emt 0:00:16]} (13... h3 $11 {deserves consideration.}) 14. Bd4 $14 {[%emt 0:03:54]} g3 {[%emt 0:25:31]} 15. h3 {[%emt 0:15:17]} Bc5 {[%emt 0:19:30]} 16. Bxc5 {[%emt 0:05:27]} dxc5 {[%emt 0:00:03] [#]} 17. Ba6 $146 {[%emt 0:09:18]} (17. f4 $1 $16) ({Predecessor:} 17. Be2 Qc8 18. f4 Bxh3 19. f5 Bxg2 20. Kxg2 Ke7 21. e5 Nd5 22. Nxd5+ cxd5 23. f6+ {1-0 Zavivaeva,E (1735)-Starosta,M (2079) Speed Chess (Women) Q5 blitz 2020 (13)}) 17... Qxd1 {[%emt 0:09:35]} (17... Qd4+ $14 18. Qxd4 cxd4) 18. Raxd1 $16 {[%emt 0:00:55]} Rb8 {[%emt 0:00:21]} 19. b3 {[%emt 0:02:39]} Ke7 {[%emt 0:01:54]} (19... c4 $142) 20. Na4 {[%emt 0:01:54]} (20. f4 $142 $1) 20... c4 {[%emt 0:00:39]} 21. Nb2 $1 {[%emt 0:06:45]} ({Reject} 21. bxc4 Rh5 22. c5 Rb4 $11) ({Of course not} 21. Bxc4 $6 Bxc4 22. bxc4 Rb4 $11) 21... cxb3 {[%emt 0:02:06]} 22. cxb3 {[%emt 0:00:22]} (22. axb3 $16 Rhd8 23. Nd3) 22... Rhd8 $11 {[%emt 0:01:08]} 23. Bc4 {[%emt 0:01:58] White is weak on the dark squares} Rxd1 {[%emt 0:03:02]} 24. Rxd1 {[%emt 0:00:01]} Nh5 {[%emt 0:02:12]} 25. Bxe6 {[%emt 0:02:30]} fxe6 {[%emt 0:04:41][%mdl 4096] Endgame KRN-KRN} 26. Nc4 {[%emt 0:00:38]} Nf4 {[%emt 0:06:07]} 27. Ne5 {[%emt 0:00:54]} Rb6 {[%emt 0:02:01]} (27... Rb5 $142 28. Nxc6+ Kf6) 28. Rd7+ {[%emt 0:00:58]} Ke8 {[%emt 0:01:38] Strongly threatening ...Rb5.} 29. Rxc7 {[%emt 0:00:47] White is more active.} Ra6 {[%emt 0:00:15]} 30. Rc8+ $1 {[%emt 0:03:14]} (30. Nxc6 $2 {loses.} Rxa2 31. Rxa7 Rb2 32. Ra8+ Kd7 33. Ne5+ Kc7 $19) 30... Ke7 {[%emt 0:00:08]} 31. Nxc6+ {[%emt 0:00:49]} Kd7 $2 {[%emt 0:03:59]} ({Black should try} 31... Kf6 $14 32. a4 e5) 32. Nb8+ $18 {[%emt 0:00:07]} Kxc8 {[%emt 0:00:05]} 33. Nxa6 {[%emt 0:00:03] KN-KN} Kb7 {[%emt 0:00:14]} 34. Nb4 {[%emt 0:01:02]} Kb6 {[%emt 0:00:09]} 35. Kf1 $2 {[%emt 0:00:44]} ({White must play} 35. a3 $1 $18) 35... Kc5 $2 {[%emt 0:00:46]} ({Black should play} 35... Kb5 $1 $14 36. Nc2 Kc5) 36. Nc2 {[%emt 0:00:10]} (36. a3 $1 $18 {has better winning chances.}) 36... a5 $2 {[%emt 0:01:06][%mdl 8192] [#]} (36... a6 $16 {is a better chance.}) 37. a3 $1 {[%emt 0:00:53]} Nd3 {[%emt 0:00:34] [#]} 38. b4+ $1 axb4 {[%emt 0:00:36]} 39. axb4+ {[%emt 0:00:40]} (39. Nxb4 $142 Nf4 40. Na2) 39... Kb6 $2 {[%emt 0:01:23]} (39... Kc4) 40. Nd4 {[%emt 0:00:59] White is clearly winning.} Nf4 {[%emt 0:00:00]} 41. Ne2 {[%emt 0:07:09]} Nd3 {[%emt 0:02:36]} 42. f4 {[%emt 0:03:44][%cal Bf3f4,Bf4e5,Be5e6][%mdl 32]} Nxb4 {[%emt 0:00:54]} 43. Nd4 {[%emt 0:01:13] Dodges Nc2} e5 {[%emt 0:01:56]} 44. fxe5 {[%emt 0:02:22]} Nd3 {[%emt 0:00:09]} 45. e6 {[%emt 0:05:23] White threatens e7 and mate.} Kc7 {[%emt 0:00:37]} 46. Ke2 {[%emt 0:00:51]} Ne5 {[%emt 0:00:14]} 47. Nf5 {[%emt 0:01:13]} Kd8 {[%emt 0:00:30]} 48. Nxh4 {[%emt 0:02:45]} Ke7 {[%emt 0:00:18]} 49. Nf5+ {[%emt 0:00:23]} Kxe6 {[%emt 0:00:02]} 50. Nxg3 {[%emt 0:00:06]} Ng6 {[%emt 0:00:12]} 51. Nf5 {[%emt 0:04:51]} Nf4+ {[%emt 0:00:19]} 52. Kf3 {[%emt 0:00:15]} Ke5 {[%emt 0:00:04]} 53. h4 {[%emt 0:00:50] Weighted Error Value: White=0.24 (precise) /Black=0.53} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.10"]
[White "Mohapl, Tomas"]
[Black "Tesar, Jakub"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1946"]
[BlackElo "1960"]
[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,-10,44,33,24,43,89,22,35,-12,73,58,224,186,154,52,45,45,42,53,47,45,103,89,93,58,474,147,159,159,155,124,192,59,387,390,469,460,453,430,648,0,648,166,160,167,465,458,431,-8,174,174,173,172,123,171,349,350,404,168,170,-83,45,-535,-526,-449,-231,-5592,-5493,-5622,-3137,-29984,-29985,-29987,-29988,-29984,-29985]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:08]} 2. c4 {[%emt 0:00:05]} dxc4 {[%emt 0:00:09]} 3. e4 {[%emt 0:00:13]} b5 {[%emt 0:00:51][%cal Bb7b5,Bb5b4][%mdl 32]} 4. a4 {[%emt 0:00:54]} c6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:01:20]} b4 {[%emt 0:06:33]} 6. Na2 {[%emt 0:00:22] [#]} e5 {[%emt 0:08:32]} 7. Nf3 $14 {[%emt 0:15:03] D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} exd4 {[%emt 0:14:52]} 8. Bxc4 {[%emt 0:07:37][%cal Oc1g5,Bf1c4,Bc4b3,Bb3d1,Bd1f3,Bf3c6][%mdl 32]} Nf6 {[%emt 0:19:26] [#]} (8... Ba6 $14 {is superior.} 9. Bxa6 (9. Qxd4 $2 Qxd4 {[%mdl 64] Remove Defender} 10. Nxd4 Bxc4 $19) 9... Nxa6) 9. e5 $146 {[%emt 0:14:16]} (9. Nxd4 Bd6 $11) (9. Qxd4 $6 Qxd4 10. Nxd4 Bc5 $11) (9. Qb3 $16 Qe7 10. O-O) ({Predecessor:} 9. Ng5 Be6 10. Nxe6 fxe6 11. O-O e5 12. f4 Bd6 13. fxe5 Bxe5 14. Nxb4 Nbd7 15. Nxc6 {1-0 Harshavardhan,G (2397)-Guimaraes,D (2248) Titled Tuesday intern op 27th Apr blitz 2021 (9)}) 9... Nd5 $11 {[%emt 0:03:28]} 10. Nxd4 {[%emt 0:03:25]} (10. Bg5 $14 Be7 11. Bxe7 Qxe7 12. Qxd4 (12. Nxd4 Nb6 $15)) 10... Nb6 {[%emt 0:14:00]} (10... Bc5 $1 $11) 11. Bb3 $16 {[%emt 0:10:44][%cal Od1h5]} Ba6 $2 {[%emt 0:06:28]} ({Better is} 11... Bc5 $14 12. Be3 Bxd4 13. Qxd4 (13. Bxd4 Nd5 $14) 13... Qxd4 14. Bxd4 Na6) 12. Be3 $18 {[%emt 0:09:56] Black must now prevent Qf3.} c5 {[%emt 0:04:12]} 13. Nb5 {[%emt 0:03:03]} ({White should play} 13. e6 $16 f5 14. Nxf5 Qxd1+ 15. Bxd1 (15. Rxd1 Bc4 $16)) 13... Qxd1+ $14 {[%emt 0:00:14][%mdl 64] Remove Defender} 14. Bxd1 {[%emt 0:01:56]} Bxb5 {[%emt 0:01:13]} 15. axb5 {[%emt 0:00:22] Bf3 is the strong threat.} N8d7 {[%emt 0:00:34]} 16. Bf3 {[%emt 0:01:25]} Rc8 {[%emt 0:02:18]} (16... O-O-O $1 $14) 17. Bc6 $16 {[%emt 0:04:07] This pair of bishops is nice.} Nc4 {[%emt 0:02:44][%csl LRb2,LRe5]} 18. Nc1 {[%emt 0:09:33]} Nxe3 $2 {[%emt 0:02:47][%mdl 8192]} (18... Ncxe5 $14 19. Bxd7+ (19. Rxa7 Nxc6 20. bxc6 Ne5 $15) 19... Kxd7) 19. fxe3 $2 {[%emt 0:00:22]} (19. Rxa7 $1 $18 {is the precise move to win.} Nxg2+ 20. Kf1) 19... Rc7 {[%emt 0:00:22] Black is weak on the light squares} 20. Nd3 {[%emt 0:01:31]} Kd8 {[%emt 0:02:18]} 21. Nf4 $36 {[%emt 0:02:28][%mdl 2048] Threatens to win with Nd5. White is in control.} Nb6 {[%emt 0:01:49]} (21... Nxe5 $16 {was called for.} 22. Nd5 Rxc6 23. bxc6 Nxc6) 22. O-O {[%emt 0:07:44]} (22. e4 $18 {Hoping for Nd5.} c4 23. O-O-O+ Kc8 24. Nd5) 22... Kc8 $2 {[%emt 0:01:44][%mdl 8192]} (22... c4 $14) 23. Nd5 $18 {[%emt 0:01:06]} Rxc6 {[%emt 0:01:12]} 24. bxc6 {[%emt 0:00:21]} Nxd5 {[%emt 0:00:07]} 25. Rxa7 {[%emt 0:00:49] Strongly threatening Rd1.} f6 {[%emt 0:00:22]} (25... c4 $142 26. Rfxf7 (26. Raxf7 Bc5 $14) 26... Ne7) 26. e4 $2 {[%emt 0:01:14]} (26. Rd1 $18 Ne7 27. Rdd7 Nxc6 28. Rac7+ Kb8 29. Rxc6) 26... Ne3 {[%emt 0:01:54][%mdl 8192]} (26... Nc7 $11) 27. Rf3 $2 {[%emt 0:01:12]} (27. Rfa1 {Threatening mate with Rb7.} Nc4 28. Rb7) 27... Ng4 {[%emt 0:01:13]} 28. exf6 {[%emt 0:00:36]} g6 {[%emt 0:00:40]} (28... gxf6 {is a better defense.} 29. h3 c4) 29. f7 {[%emt 0:01:24]} c4 {[%emt 0:00:36]} 30. Ra8+ {[%emt 0:01:28]} (30. Kh1 $142) 30... Kc7 {[%emt 0:00:05] The board is on fire.} 31. Kh1 {[%emt 0:00:07] And now Re8 would win.} Kxc6 {[%emt 0:00:47]} 32. h3 {[%emt 0:00:24]} Ne5 {[%emt 0:00:35]} 33. Rf6+ {[%emt 0:00:25][%mdl 1024] White has strong compensation.} Kb7 $2 {[%emt 0:00:20]} (33... Kb5) 34. Re8 {[%emt 0:00:37]} Nd7 {[%emt 0:00:42]} (34... Nd3 $2 35. Rf1 $18) 35. Rf3 {[%emt 0:00:21]} (35. Rf1 $142) 35... Bg7 {[%emt 0:01:44] [#] ...Rf8 would be deadly.} 36. b3 $2 {[%emt 0:01:19] [#]} (36. e5 $1 $18 {[%cal Re5e6]} Bxe5 37. Rg8 (37. f8=R Rxf8 38. Rfxf8 Nxf8 $11) (37. Rxe5 $2 Nxe5 38. f8=Q Rxf8 $19)) 36... c3 {[%emt 0:01:21]} ({Black should try} 36... Rf8 $1 $17 37. bxc4 Kc6) 37. Rf2 $2 {[%emt 0:00:27][%mdl 8192]} (37. Rg8 $1 $14 Be5 38. Rf1) 37... Rf8 $19 {[%emt 0:00:38]} 38. Kh2 {[%emt 0:00:31]} Nc5 {[%emt 0:01:18]} (38... Kc6 $142 39. g3 Nc5) 39. Rxf8 $2 {[%emt 0:00:32]} (39. e5 Nd3 {[%mdl 64] Deflection} 40. Re2 Bxe5+ 41. R2xe5 Rxf7 42. Re2) 39... Bxf8 {[%emt 0:00:07]} 40. e5 {[%emt 0:00:23]} Nxb3 {[%emt 0:01:17] ( -> ...Nd4)} 41. Re2 {[%emt 0:08:31]} Nd4 {[%emt 0:01:17] Black mates.} 42. Re1 {[%emt 0:00:31]} c2 {[%emt 0:01:35]} 43. e6 {[%emt 0:01:26] [#]} Nxe6 $1 {[%emt 0:01:05][%mdl 576] Promotion. An exciting game.   Weighted Error Value: White=1.10/Black=0.79} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.11"]
[White "Sigut, Ondrej"]
[Black "Davidek, Zdenek"]
[Result "0-1"]
[ECO "C86"]
[WhiteElo "1804"]
[BlackElo "1957"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 21,46,0,0,0,0,0,0,0,41,-460,-469,-463,-472,-458,-426,-370,-145,-85,-78,-341,-344,-1129,-1012,-996,-988,-954,-388]} 1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:23]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:25]} a6 {[%emt 0:00:07]} 4. Ba4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:07]} 5. Qe2 {[%emt 0:00:26]} b5 {[%emt 0:00:23]} 6. Bb3 {[%emt 0:00:03]} Be7 {[%emt 0:00:19]} 7. O-O {[%emt 0:01:14]} O-O {[%emt 0:00:35]} 8. c3 {[%emt 0:03:13]} d5 {[%emt 0:00:46]} 9. exd5 {[%emt 0:03:33]} Nxd5 {[%emt 0:00:08]} 10. Nxe5 {[%emt 0:07:15]} Nxe5 {[%emt 0:00:10]} 11. Qxe5 {[%emt 0:00:04]} Nf6 {[%emt 0:00:22]} 12. d4 {[%emt 0:08:18] C86: Closed Ruy Lopez: Worrall Attack.} Bd6 {[%emt 0:00:07]} 13. Qe2 {[%emt 0:23:00]} Re8 {[%emt 0:45:57]} 14. Qd1 {[#] The position is equal.} Ng4 $146 ({Predecessor:} 14... Bb7 15. a4 Qd7 16. h3 Rad8 17. Na3 Qf5 18. axb5 Bxg2 {½-½ Fuchs,J (2052)-Schoesser,M (1838) GER T269-C86-S email 2017}) 15. f4 $2 {[%emt 0:22:29][%mdl 8192]} (15. g3 $14 {stays ahead.}) 15... Qh4 $1 $19 {[%emt 0:10:00][%csl Gg4][%cal Rh4h2]} 16. h3 {[%emt 0:01:55] [#] Qf3 would be deadly.} Qg3 {[%emt 0:11:13][%csl Gg4][%cal Rg3h2]} 17. hxg4 Bxg4 {[%emt 0:00:08]} 18. Bxf7+ {[%emt 0:08:23] [#]} Kxf7 $2 {[%emt 0:03:15]} (18... Kh8 $1 $19 {has better winning chances.} 19. Bxe8 Bxd1) 19. Qb3+ $17 {[%emt 0:00:13]} Be6 {[%emt 0:00:16] Black has more active pieces. A strong pair of Bishops.} 20. Qc2 {[%emt 0:00:16][%mdl 8192]} (20. c4 $17 Qg4 21. Nd2) 20... Bc4 $19 {[%emt 0:00:37]} 21. Qxh7 $2 {[%emt 0:03:40]} (21. Qf5+ Kg8 22. Nd2 Bxf1 23. Nxf1) 21... Bxf1 {[%emt 0:01:30][%csl Gf1][%cal Rg3g2] Black is clearly winning.} 22. Qf5+ {[%emt 0:00:26]} Ke7 {[%emt 0:00:17][%csl Gf1][%cal Rg3g2]} 23. Kxf1 {[%emt 0:00:51]} Rf8 {[%emt 0:00:31] Weighted Error Value: White=1.43/Black=0.36} (23... Rh8 $142 24. Qg5+ Qxg5 25. fxg5 Rh1+ {[%mdl 64] Skewer} 26. Ke2 Rxc1) 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.13"]
[Round "4.12"]
[White "Mrazek, Adam"]
[Black "Hozda, Max"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1745"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 25,58,116,114,112,128,114,115,125,220,176,189,184,241,230,227,222,370,343,370,363,347,152,146,-1075,-1068,-911,-904,-29986,-29987,-29996,-29997,-29997,-29998,-29998,-29999]} 1. c4 c6 2. Nc3 d5 3. d4 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qa5 13. exf6 O-O-O 14. O-O {D44: Semi-Slav: Botvinnik System.} Ne5 15. Qe2 Nd3 16. Be3 {White is better.} c5 {[#]} (16... b4 $16) 17. dxc5 $146 ({Predecessor:} 17. Bxb7+ Kxb7 18. dxc5 Bxc5 19. Bxc5 Nxc5 20. a4 b4 21. Nb5 Nd3 22. Qe4+ Kb8 23. Qxc4 {1-0 Sobek,J (2221)-Vesely,L (2217) CZE-chT2F 1617 2016 (5.3)}) 17... Bxg2 18. Kxg2 Bxc5 (18... Qc7 $142) 19. Bxc5 $18 Nxc5 20. a4 $1 Nb3 (20... b4 {was called for.}) 21. Nxb5 Nxa1 22. Qxc4+ Kb7 {[%cal Oa5b6] [#]} 23. Rxa1 (23. Qe4+ $1 $18 {and the rest is easy.} Rd5 24. Rxa1) 23... Qb6 $16 {[%cal Oh8h2] Hoping for ...Rxh2+!} 24. b4 $2 {[%mdl 8192] [#] Loses the game.} (24. Rc1 $2 Rxh2+ 25. Kxh2 Qxf2+ 26. Kh1 Rh8+ $19) (24. h4 $16) 24... Rxh2+ $3 $19 {[%mdl 576] Decoy} 25. Kxh2 Qxf2+ 26. Kh3 Qf5+ {Black mates.} ({But not} 26... Qxf6 27. Qc7+ Ka8 28. Qxa7#) 27. g4 Qf3+ 28. Kh4 Qf2+ 29. Kh5 Qh2+ {Ingenious play by Hozda!   Weighted Error Value: White=0.85/Black=0.21 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.1"]
[White "Prazak, Daniel"]
[Black "Paseka, Matyas"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2064"]
[BlackElo "2082"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,120,27,12,5,17,18,20,12,24,20,29,12,19,14,22,32,23,1,7,1,1,1,1,4,20,8,21,0,33,20,73,76,143,143,143,139,133,131,130,120,125,97,102,91,97,87,97,93,104,104,104,104,104,104,104,104,104,104,104,104,105,105,105,105,105,105,102,72,156,168,172,150,170,151,302,158,151,114,114,114,143,143,142,108,511,127,500,27,31,27,22,30,52,27,27,27,27,27,27,0,0,0,0,0,0,0,0,0,0,0,0,27,166]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:09]} d6 {[%emt 0:00:05]} 3. Bb5+ {[%emt 0:00:14]} Nd7 {[%emt 0:00:08]} 4. a4 {[%emt 0:00:09]} Ngf6 {[%emt 0:00:08]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:07]} 6. Be2 {[%emt 0:00:08] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} b6 {[%emt 0:00:10]} 7. d4 {[%emt 0:00:08]} cxd4 {[%emt 0:00:12]} 8. Qxd4 {[%emt 0:00:08] The position is equal.} e5 {[%emt 0:00:12]} 9. Qe3 {[%emt 0:00:27]} Bb7 {[%emt 0:00:13]} 10. O-O {[%emt 0:03:00]} Be7 {[%emt 0:01:49]} 11. Nd2 {[%emt 0:02:54]} O-O {[%emt 0:03:15]} 12. Rd1 {[%emt 0:06:21]} Qc7 {[%emt 0:00:55]} 13. Nc4 {[%emt 0:07:58]} Rad8 {[%emt 0:05:25]} 14. b3 {[%emt 0:15:10]} Nc5 {[%emt 0:02:35][%cal Rb7e4]} 15. Bf3 {[%emt 0:02:42]} Ncxe4 {[%emt 0:13:15][%mdl 64] Remove Defender, Decoy} 16. Nxe4 {[%emt 0:13:48] [#]} (16. Bxe4 Nxe4 17. Nxe4 d5 $15) 16... Nxe4 $146 {[%emt 0:00:50]} ({Predecessor:} 16... Bxe4 17. Bxe4 d5 18. Bb2 Nxe4 19. Bxe5 Qc6 20. Qxb6 Qc8 21. Ne3 Nxf2 22. Rxd5 Rxd5 23. Nxd5 Bc5 24. Ne7+ {½-½ Valenzuela Gomez,F (2390)-Papadiamandis,E (2134) Sitges Sunway 7th 2020 (5)}) 17. Bxe4 {[%emt 0:01:15]} d5 {[%emt 0:00:08] [#]} 18. Bb2 $1 {[%emt 0:01:12]} dxe4 {[%emt 0:15:04]} (18... f6 19. Qxb6) 19. Bxe5 {[%emt 0:02:02]} Qc5 {[%emt 0:00:14]} (19... Rxd1+ $11 20. Rxd1 Rd8) 20. Bd4 $36 {[%emt 0:01:48][%mdl 2048] Keeping Black busy.} Rxd4 {[%emt 0:00:45]} 21. Qxd4 {[%emt 0:00:37]} ({Worse is} 21. Rxd4 Bg5 22. f4 exf3 $15) 21... Qxd4 {[%emt 0:00:08]} 22. Rxd4 {[%emt 0:00:09][%cal Oa1d1] Threatens to win with Rad1!} Bf6 {[%emt 0:00:06] [#]} 23. Rad1 {[%emt 0:01:46] Rd6 is the strong threat.} Bxd4 {[%emt 0:00:08]} 24. Rxd4 {[%emt 0:00:07][%mdl 4096] Endgame KRB-KRN} b5 {[%emt 0:18:40]} 25. axb5 {[%emt 0:00:46]} axb5 {[%emt 0:00:06]} 26. Nd6 {[%emt 0:00:08][%csl LRb5,LRb7,LRe4]} Ra8 {[%emt 0:00:43] ( -> ...Ra1+)} 27. h3 {[%emt 0:02:06] White is much more active.} (27. Nxb7 $2 {is a self mate.} Ra1+) 27... Bc6 {[%emt 0:02:44]} 28. Nxe4 {[%emt 0:00:33]} Bxe4 {[%emt 0:00:57]} 29. Rxe4 {[%emt 0:00:07] KR-KR} g6 {[%emt 0:00:22]} 30. Rb4 {[%emt 0:04:09]} Ra1+ {[%emt 0:00:38]} 31. Kh2 {[%emt 0:00:08]} Ra2 {[%emt 0:00:41]} 32. c3 {[%emt 0:00:27]} Rc2 {[%emt 0:10:26]} 33. Rxb5 {[%emt 0:00:22] aiming for c4.} Rxc3 {[%emt 0:00:06]} 34. g3 {[%emt 0:00:07]} Rc2 {[%emt 0:00:24]} 35. Kg2 {[%emt 0:00:11]} Rb2 {[%emt 0:00:05]} 36. h4 {[%emt 0:00:09]} h5 {[%emt 0:00:10]} 37. Kf3 {[%emt 0:00:39]} Kg7 {[%emt 0:00:21]} 38. Rb6 {[%emt 0:00:27]} Rb1 {[%emt 0:00:44]} ({Black should try} 38... f6) 39. b4 {[%emt 0:01:13]} Rb3+ {[%emt 0:00:27]} 40. Kf4 {[%emt 0:00:12]} Rb2 {[%emt 0:01:27]} 41. f3 {[%emt 0:30:50]} Rb1 $2 {[%emt 0:31:55]} (41... Kf8 $16 42. g4 Rh2) 42. Rb7 {[%emt 0:01:05]} ({White must play} 42. b5 $18) 42... Kf6 {[%emt 0:00:37]} 43. b5 {[%emt 0:01:09]} Rb4+ {[%emt 0:00:22]} 44. Ke3 {[%emt 0:00:08]} Rb3+ {[%emt 0:00:06]} 45. Ke4 {[%emt 0:02:26]} Ke6 {[%emt 0:06:26]} 46. b6 {[%emt 0:02:08]} Kf6 $2 {[%emt 0:05:03][%mdl 8192]} (46... Rb4+ $16 {is more resistant.} 47. Kd3 Kd5) 47. Rb8 $2 {[%emt 0:02:41]} (47. Kd5 $18 {is the precise move to win. Hoping for Kc5.} Rxf3 48. Kc4 Rxg3 49. Rc7) 47... Kg7 $2 {[%emt 0:00:27][%mdl 8192]} (47... Ke6 $16 {is a better chance.} 48. b7 Rb4+ 49. Kd3 Ke7) 48. b7 $2 {[%emt 0:00:55]} (48. Kd4 $18) 48... Rb1 {[%emt 0:01:02]} 49. Kd3 {[%emt 0:04:00]} Rb6 {[%emt 0:01:35]} 50. Kd4 {[%emt 0:03:49]} Rb1 {[%emt 0:02:29]} 51. g4 {[%emt 0:01:52]} hxg4 {[%emt 0:06:27]} 52. fxg4 {[%emt 0:00:09]} Rd1+ {[%emt 0:00:25]} 53. Kc3 {[%emt 0:00:47]} Rb1 {[%emt 0:00:06]} 54. h5 {[%emt 0:01:21]} gxh5 {[%emt 0:00:06]} 55. gxh5 {[%emt 0:00:05]} Kh7 {[%emt 0:00:56]} 56. Kd4 {[%emt 0:00:10]} Kg7 {[%emt 0:00:19]} 57. h6+ {[%emt 0:00:04]} Kh7 $1 {[%emt 0:00:04]} 58. Ke5 {[%emt 0:00:04]} Re1+ {[%emt 0:00:21]} 59. Kf6 {[%emt 0:00:08][%cal Ob8h8]} Rf1+ {[%emt 0:00:36]} 60. Ke7 {[%emt 0:00:05][%cal Ob8h8] Threatening mate with Rh8+!} Re1+ {[%emt 0:00:07] Blacks defense is rewarded with a draw.   Weighted Error Value: White=0.36/Black=0.31} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.2"]
[White "Fizer, Marek"]
[Black "Seidl, Jan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1929"]
[BlackElo "2025"]
[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 9,73,-8,-29,-26,-20,-29,2,-8,0,-27,-13,-66,-71,-77,-86,-70,-50,-50,-47,-48,-29,-39,-37,-44,103,-69,-47,-70,-70,-81,-37,-78,-66,-81,-70,-100,-61,-87,-45,-100,-27,-92,52,52,212,201,200,173,174,166,170,73,330,300,825,718,1135,750,1150,531,520,529,410,195,29987,29988]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:02]} 3. f3 {[%emt 0:00:06]} e6 {[%emt 0:00:09]} 4. Nc3 {[%emt 0:00:11]} Bb4 {[%emt 0:00:17]} 5. Bf4 {[%emt 0:00:23]} Nf6 {[%emt 0:01:13]} 6. Qd3 $1 {[%emt 0:00:43] B12: Caro-Kann: Advance Variation.} O-O {[%emt 0:01:00]} 7. Nge2 {[%emt 0:01:02]} b6 {[%emt 0:04:12]} 8. Bg5 {[%emt 0:06:50] The position is equal.} Ba6 {[%emt 0:04:18]} 9. Qe3 {[%emt 0:01:26]} Be7 {[%emt 0:00:07] [#]} 10. e5 $146 {[%emt 0:03:24] [#]} (10. h4 $11) ({Predecessor:} 10. O-O-O Ng4 11. fxg4 Bxg5 12. Nf4 c5 13. g3 cxd4 14. Qxd4 Bxf1 15. Rhxf1 Bf6 16. Qa4 {1-0 Cioara,A (2385)-Engqvist,T (2355) Salongernas IM 5th 2005 (3)}) 10... Ng4 $1 $15 {[%emt 0:03:52][%mdl 64] Discovered Attack} 11. Qf4 {[%emt 0:09:16]} Bxg5 {[%emt 0:00:53]} 12. Qxg4 {[%emt 0:00:08]} c5 {[%emt 0:02:41]} 13. f4 {[%emt 0:04:49]} Be7 {[%emt 0:02:52]} 14. O-O-O $1 {[%emt 0:01:13]} Nc6 {[%emt 0:09:51] ...b5 is the strong threat.} 15. Kb1 {[%emt 0:05:12]} b5 {[%emt 0:09:09][%cal Bb6b5,Bb5b4][%mdl 32] White must now prevent ...b4.} 16. dxc5 $1 {[%emt 0:07:35]} Qa5 {[%emt 0:08:01]} (16... b4 $15 17. Ne4 Qa5 18. Nf6+ Kh8) 17. Ng3 $2 {[%emt 0:12:51]} (17. Nc1 $1 $16) 17... b4 $1 {[%emt 0:01:27]} 18. Nh5 {[%emt 0:06:51][%csl Gh5][%cal Rg4g7]} g6 $36 {[%emt 0:00:08][%mdl 2048] Black has some pressure.} 19. Ne2 {[%emt 0:01:53]} (19. Bxa6 bxc3 20. Qg3 Rfb8 $19) 19... Bc4 $1 {[%emt 0:06:30]} (19... Bxc5 20. Nf6+ Kg7 21. Ng3 $18) 20. Nc1 {[%emt 0:02:37] Hoping for Nf6+.} Qxc5 {[%emt 0:00:17]} 21. Nf6+ {[%emt 0:03:36]} Bxf6 {[%emt 0:04:19]} 22. exf6 {[%emt 0:00:11] Threatens to win with Qg5.} Nd4 {[%emt 0:03:54]} (22... Bxf1 23. Nb3 Qd6 24. Rhxf1 $14) 23. Bxc4 {[%emt 0:08:48]} Qxc4 {[%emt 0:03:35]} (23... h5 $2 24. Qg5 Nf5 25. Bd3 $18) 24. Rd2 {[%emt 0:01:34] [#]} Rac8 {[%emt 0:00:24]} (24... Rfc8 $1 $17 25. Rhd1 Nf5) 25. Qh3 {[%emt 0:08:50] [#]} (25. Nd3 $1 $11) 25... Kh8 {[%emt 0:02:57]} (25... Nxc2 26. Qh6 Na3+ 27. bxa3) ({Black should try} 25... Nf5 $1 $17 26. Nd3 Qd4) 26. Nd3 $14 {[%emt 0:02:57] Ne5 would be deadly.} Nc6 {[%emt 0:01:06]} (26... Nxc2 $2 27. Rc1 Na3+ 28. bxa3 $18) (26... Nf5 $1 $14) 27. Qh6 {[%emt 0:02:42][%csl Gf6][%cal Rh6g7]} Rg8 {[%emt 0:00:05] Prevents Qg7+} 28. h4 {[%emt 0:02:40] And now h5 would win.} Qe4 {[%emt 0:00:14]} 29. Qg5 {[%emt 0:03:25]} Rc7 {[%emt 0:04:14]} 30. Re1 {[%emt 0:02:13]} (30. h5 $18 {and White stays clearly on top.}) 30... Qc4 $2 {[%emt 0:01:11][%mdl 8192]} (30... Qd4 $16) 31. g4 $18 {[%emt 0:00:54]} a5 $2 {[%emt 0:02:24]} (31... Qd4 32. Rh2 Na5) 32. h5 {[%emt 0:00:55]} a4 {[%emt 0:00:04]} 33. hxg6 {[%emt 0:00:39]} fxg6 {[%emt 0:00:12]} 34. Ne5 {[%emt 0:00:26]} ({Weaker is} 34. Rxe6 Nd4 35. f7 (35. Re7 $2 Nf3 $19) 35... Nxe6 $16) (34. Rh1 $142 {Rdh2 would kill now.} Rgc8 35. Rdh2) 34... Nxe5 {[%emt 0:00:25]} 35. Qxe5 {[%emt 0:00:10] Threatening mate with f7+.} Rf7 {[%emt 0:00:31]} 36. Rh2 {[%emt 0:00:41]} (36. Qxe6 $142 Qc7 37. g5 (37. Qxd5 Rxf6 38. Qd4 Qxf4 $18)) 36... Re8 $2 {[%emt 0:00:34]} (36... Rgf8 $18 37. g5 (37. Qxe6 Rxf6 38. Qe7 R8f7 $11) 37... b3) 37. Reh1 {[%emt 0:00:28] Weighted Error Value: White=0.46/Black=0.63} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.3"]
[White "Kubin, Tomas Daniel"]
[Black "Lang, Simon"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1936"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 23,54,0,12,21,20,0,18,-31,-23,-65,-70,-69,0,0,54,40,50,-16,0,0,37,0,444,206,689,-72,-64,-1150,-1145,-1120,-1110,-1062,-499]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:47]} 2. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:00:47]} 3. d4 {[%emt 0:00:19]} cxd4 {[%emt 0:00:55]} 4. Nxd4 {[%emt 0:00:11]} Nf6 {[%emt 0:00:53]} 5. Nc3 {[%emt 0:00:20]} a6 {[%emt 0:01:23]} 6. Be2 {[%emt 0:00:27]} e6 {[%emt 0:01:28]} 7. a4 {[%emt 0:04:24]} Nc6 {[%emt 0:03:25]} 8. Be3 {[%emt 0:02:40]} Be7 {[%emt 0:02:01]} 9. O-O {[%emt 0:00:56]} O-O {[%emt 0:02:18]} 10. f4 {[%emt 0:01:24]} Qc7 {[%emt 0:02:39]} 11. Nb3 {[%emt 0:02:19]} b6 {[%emt 0:02:44]} 12. g4 {[%emt 0:05:30][%cal Bg2g4,Bg4g5][%mdl 32]} Re8 {[%emt 0:03:20]} 13. g5 {[%emt 0:07:17] B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3.} Nd7 {[%emt 0:01:11]} 14. Qe1 {[%emt 0:04:54] [#]} Bb7 $146 {[%emt 0:09:23]} ({Predecessor:} 14... Bf8 15. Qh4 g6 16. f5 Nde5 17. Rf4 Nb4 18. Qf2 Nxc2 19. Bxb6 Qb8 20. Rf1 Bd7 {0-1 Bernard,B (2288)-Juptner,J (2241) CZE-chT2c 0405 2004 (3.1)}) 15. f5 {[%emt 0:11:37]} (15. Qf2 $11 {might be stronger.}) 15... exf5 $15 {[%emt 0:06:42] [#] ...Nb4 would be deadly.} 16. exf5 {[%emt 0:00:28]} (16. Nd5 Qd8 17. Qg3 (17. exf5 $2 Bxg5 18. Qg3 Bxe3+ 19. Nxe3 Nf6 $19) (17. Rxf5 g6 $17) 17... fxe4 $17) 16... Nb4 $1 {[%emt 0:08:13]} (16... Nce5 17. Qg3 $11 (17. Nd4 Nc4 $11)) 17. Nd4 {[%emt 0:04:44]} Bf8 {[%emt 0:05:23]} (17... Bf6 $15 18. gxf6 Rxe3) 18. Qg3 $36 {[%emt 0:04:30][%mdl 2048] White is pushing.} g6 {[%emt 0:05:18]} (18... Qc5 $11) 19. h4 {[%emt 0:07:49][%cal Bh2h4,Bh4h5][%mdl 32]} Ne5 {[%emt 0:10:08]} 20. fxg6 {[%emt 0:03:51]} (20. Rad1 $14) 20... hxg6 {[%emt 0:02:34]} (20... fxg6 {looks sharper.} 21. Rf6 Bg7 22. h5 Bxf6 23. gxf6 Qf7) 21. h5 {[%emt 0:02:08]} Re7 {[%emt 0:02:48]} 22. Rf4 {[%emt 0:08:15]} Nec6 $2 {[%emt 0:06:14][%mdl 8192]} (22... Rae8 $11 {and Black has nothing to worry.}) 23. Raf1 {[%emt 0:07:03]} (23. hxg6 $142 Nxd4 24. Bxd4) 23... Bg7 $2 {[%emt 0:04:59]} (23... Rae8 24. hxg6 Ne5 25. gxf7+ Rxf7 26. Rxf7 Nxf7 27. g6 $18) (23... Ne5 24. R1f2 (24. Qh2 Bg7 $16) 24... Bg7) 24. Nxc6 $2 {[%emt 0:02:38]} (24. hxg6 $18 {Intending Qh3 and mate.} Rxe3 25. Qh4 (25. gxf7+ Kf8 $18) 25... Rg3+ 26. Kh2 Rg2+ 27. Kh1) 24... Qxc6 $17 {[%emt 0:00:59]} (24... Rxe3 $2 25. Qxe3 Qxc6 26. Bf3 $18 (26. Rxb4 $2 Qg2#)) 25. Rxb4 $4 {[%emt 0:00:35][%mdl 8192] [#]} (25. Bd4 $15 Nd5 26. Bf3) 25... Rxe3 $1 $19 {[%emt 0:00:26][%mdl 576] Double Attack. Black is clearly winning.} 26. Qh2 {[%emt 0:06:19]} Qc5 {[%emt 0:01:05][%cal Re3g3]} ({And not} 26... Bxc3 27. hxg6 $19) 27. Qf2 {[%emt 0:04:42]} Rg3+ {An exciting game.   Weighted Error Value: White=1.02/Black=0.70} ({Less strong is} 27... Qxg5+ 28. Rg4 Qc5 29. hxg6 $14 (29. Qxf7+ Kh8 $11)) (27... Qxb4 $142 28. Qxf7+ Kh8) 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.4"]
[White "Janous, Marek"]
[Black "Werner, Hong Quan Dan"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2124"]
[BlackElo "2085"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 12,82,31,11,23,8,11,12,14,21,28,17,37,29,35,0,25,24,49,43,46,0,27,19,60,6,131,128,103,121,136,58,52,56,88,56,64,18,18,7,85,15,106,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:48]} c5 {[%emt 0:00:32]} 2. Nf3 {[%emt 0:00:15]} Nc6 {[%emt 0:00:15]} 3. Bb5 {[%emt 0:01:18]} g6 {[%emt 0:00:14]} 4. Bxc6 {[%emt 0:01:07]} dxc6 {[%emt 0:00:45]} 5. d3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:14]} 6. h3 {[%emt 0:00:07]} Nf6 {[%emt 0:00:25]} 7. Nc3 {[%emt 0:00:54]} Nd7 {[%emt 0:00:37] B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. O-O {[%emt 0:00:59]} e5 {[%emt 0:00:24]} 9. Be3 {[%emt 0:00:26]} b6 $1 {[%emt 0:00:37][%mdl 4] now scores much better than the old 9...Qe7.} 10. Qd2 {[%emt 0:00:07]} h6 {[%emt 0:01:34]} 11. Nh2 {[%emt 0:00:14]} Nf8 {[%emt 0:00:46]} 12. f4 {[%emt 0:00:11]} exf4 {[%emt 0:00:22]} 13. Bxf4 {[%emt 0:00:06]} g5 {[%emt 0:01:31]} 14. Bg3 {[%emt 0:01:16]} Ng6 {[%emt 0:00:48]} 15. Rae1 {[%emt 0:02:30]} O-O {[%emt 0:04:45] [#]} 16. Kh1 $146 {[%emt 0:02:42]} (16. e5 $14) ({Predecessor:} 16. Qe2 Re8 17. Qf3 Re7 18. Ng4 Bxg4 19. Qxg4 c4 20. Rd1 cxd3 21. Rxd3 Qc8 22. Qf5 {½-½ Andreev,E (2420)-Alekseev,E (2623) BL2-West 1920 2019 (3.1)}) 16... Be6 {[%emt 0:04:25]} 17. Qe2 {[%emt 0:01:59]} Qd7 {[%emt 0:02:28]} 18. Qh5 {[%emt 0:10:03]} (18. e5 $1 $14) 18... Kh7 {[%emt 0:09:32] [#]} (18... Rae8 $11) 19. e5 $1 $16 {[%emt 0:05:51] Strongly threatening Ne4.} f5 {[%emt 0:05:49] Wards off Ne4. Threatens to win with ...f4.} 20. exf6 {[%emt 0:00:21]} Bxf6 {[%emt 0:00:24] [#]} 21. Rxf6 $1 {[%emt 0:24:39][%mdl 512]} Rxf6 $14 {[%emt 0:01:16]} 22. Ne4 $1 {[%emt 0:00:12][%csl LRf6,LRg5]} Raf8 {[%emt 0:14:05]} 23. Nxf6+ {[%emt 0:01:12]} (23. Nf3 {keeps more tension.} Kg7 24. Ne5 Qd5 25. Kh2) 23... Rxf6 {[%emt 0:00:05]} 24. Ng4 {[%emt 0:00:43]} (24. a4 $14) 24... Bxg4 $11 {[%emt 0:00:44]} 25. Qxg4 {[%emt 0:00:06]} Qf7 {[%emt 0:03:57]} (25... Qxg4 $11 {keeps the balance.} 26. hxg4 Kg7) 26. Qc4 {[%emt 0:01:53] White is more active.} ({White should try} 26. Kh2 $16) 26... Rf1+ {[%emt 0:04:59]} (26... Qxc4 $11 {remains equal.} 27. dxc4 Kg7) 27. Kh2 {[%emt 0:04:07]} (27. Rxf1 $16 Qxf1+ 28. Kh2) 27... Qxc4 {[%emt 0:03:53] The position is equal.} 28. dxc4 {[%emt 0:00:41]} Rxe1 {[%emt 0:00:22]} 29. Bxe1 {[%emt 0:00:07][%mdl 4096] Endgame KB-KN} Ne5 {[%emt 0:02:15]} 30. b3 {[%emt 0:01:48]} Kg6 {[%emt 0:01:09]} 31. Bc3 {[%emt 0:00:22]} Kf5 {[%emt 0:03:17]} 32. Kg3 {[%emt 0:02:20]} h5 {[%emt 0:01:08]} 33. Kf2 {[%emt 0:01:21]} b5 {[%emt 0:10:40]} 34. cxb5 {[%emt 0:00:56]} cxb5 {[%emt 0:00:04]} 35. Bd2 {[%emt 0:03:03]} Nc6 {[%emt 0:03:05]} 36. c3 {[%emt 0:04:43]} Nd8 {[%emt 0:01:46]} 37. Kf3 {[%emt 0:10:02] aiming for g4+.} Ne6 {[%emt 0:01:52]} 38. g4+ {[%emt 0:15:25]} hxg4+ {[%emt 0:00:11]} 39. hxg4+ {[%emt 0:00:01]} Ke5 {[%emt 0:00:10]} 40. Be1 {[%emt 0:02:29]} Kd5 {[%emt 0:01:19]} 41. Bd2 {[%emt 0:31:53]} a6 {[%emt 0:30:53] Weighted Error Value: White=0.18 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.5"]
[White "Hladky, Tadeas"]
[Black "Dolensky, Filip"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "1973"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,173,0,0,64,50,58,30,31,5,1,4,33,0,33,27,32,27,35,27,56,49,32,30,40,40,56,61,67,35,36,35,39,32,41,22,20,20,22,-21,-13,-33,49,43,121,0,0,0,0,-86,-87,-93,-87,-93,-49,-75,-58,-70,-58,-75,0,-68,-35,-58,-20,-73,-77,-89,-89,-101,-58,-58,0,-108,-88,-85,-58,-162,-161,-152,-58,-76,-66,-66,-65,-65,-31,-109,-65,-65,-65,-65,0,-65,-65,-58,0,-58,0,-51,-37,-58,-34,-74,-73,-61,-35,-79,-64,-72,-72,-68,-64,-64,-64,-64,-57,-58,-57,-64,-58,-64,-57,-58,0,-74,-45,-71,-54,-81,-76,-83,-83,-132,-134,-138,-135,-209,-88,-101,-91,-91,-85,-85,-30,-55,-14,-14,-14,-14,-14,-14,-13,-13,-13,-13,-13,-13,-13,-14,-13,-13,-13,-13,-13,-12850]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:02:01]} 2. d4 {[%emt 0:00:29][%cal Bd2d4,Bd4c5][%mdl 32]} d5 {[%emt 0:00:13]} 3. Nd2 {[%emt 0:01:16]} Be7 {[%emt 0:02:19]} 4. Ngf3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:22]} 5. Bd3 {[%emt 0:00:11]} c5 {[%emt 0:00:48]} 6. dxc5 {[%emt 0:00:12]} Nc6 {[%emt 0:03:28] C03: French Tarrasch: Unusual Black 3rd moves.} (6... dxe4 $11 7. Nxe4 Nxe4 8. Bxe4 Qxd1+ 9. Kxd1 Bxc5) 7. O-O {[%emt 0:01:24]} O-O {[%emt 0:01:43]} 8. a3 {[%emt 0:06:01]} a5 {[%emt 0:03:53] White has an edge.} 9. exd5 {[%emt 0:05:45]} exd5 {[%emt 0:01:31]} 10. h3 {[%emt 0:00:38]} Bxc5 {[%emt 0:02:37] [#]} 11. Nb3 $146 {[%emt 0:01:39]} ({Predecessor:} 11. b3 Qd6 12. Bb2 Re8 13. Re1 Bxh3 14. gxh3 Qg3+ 15. Kh1 Qxh3+ 16. Kg1 Bxf2+ 17. Kxf2 Ng4+ 18. Kg1 Qg3+ 19. Kh1 Nf2# {0-1 Indriunas,M (1792)-Kalvaitis,S (2169) Plunge op-A 38th 2018 (3)}) 11... Bd6 {[%emt 0:11:35]} 12. Re1 {[%emt 0:03:27]} h6 {[%emt 0:03:41]} 13. Be3 {[%emt 0:02:07]} Re8 {[%emt 0:03:22]} 14. Nbd4 {[%emt 0:11:23]} Be6 {[%emt 0:05:47]} 15. Nxe6 {[%emt 0:06:23]} Rxe6 {[%emt 0:02:27]} 16. Nd4 {[%emt 0:03:23]} Re8 {[%emt 0:12:37]} 17. Nf5 {[%emt 0:11:26]} Be5 {[%emt 0:07:29]} 18. c3 {[%emt 0:00:51]} Ne7 {[%emt 0:05:51]} 19. Qf3 {[%emt 0:15:39][%cal Oe3h6] White has more active pieces.} Nxf5 {[%emt 0:03:17]} 20. Qxf5 {[%emt 0:02:18][%cal Oe3h6]} Qc7 {[%emt 0:02:21]} 21. Rad1 {[%emt 0:02:33]} Rad8 {[%emt 0:00:37]} 22. Bb5 {[%emt 0:10:22] This pair of bishops is nice.} Re6 {[%emt 0:01:48]} 23. a4 {[%emt 0:01:48]} Ne4 {[%emt 0:02:30]} 24. Qf3 {[%emt 0:04:15]} Rf6 {[%emt 0:03:46]} 25. Qe2 {[%emt 0:00:32]} Rg6 {[%emt 0:01:42]} (25... Bh2+ $15 26. Kh1 Bg3) 26. Bd3 $14 {[%emt 0:02:47]} f5 {[%emt 0:00:18]} ({Don't do} 26... Bh2+ 27. Kh1 Re8 28. Bb5 $16) (26... Re6 $14) 27. Bd4 {[%emt 0:01:12]} (27. Bb1 $16) 27... Bxd4 $11 {[%emt 0:00:53]} 28. cxd4 {[%emt 0:00:04]} Qf4 {[%emt 0:01:25]} 29. Bxe4 {[%emt 0:03:22]} (29. f3 $11 Ng5 30. Kh1) 29... fxe4 $17 {[%emt 0:00:58]} ({But not} 29... dxe4 $6 30. d5 $11) 30. Rc1 {[%emt 0:00:56]} Rf8 {[%emt 0:01:36]} 31. Rc3 {[%emt 0:01:13]} Rg5 {[%emt 0:02:00]} 32. Rf1 {[%emt 0:00:36]} Rf6 {[%emt 0:01:20]} 33. Kh1 {[%emt 0:00:29]} Qh4 {[%emt 0:01:07]} 34. Kh2 {[%emt 0:00:55]} Qf4+ {[%emt 0:00:50]} (34... Rgf5 $5 {[%cal Rf5f2]}) 35. Kh1 {[%emt 0:00:02]} Rfg6 {[%emt 0:00:36]} 36. Rg1 {[%emt 0:00:19]} Rf5 $40 {[%emt 0:00:33][%mdl 128] Black attacks.} 37. Rf1 {[%emt 0:00:57]} (37. f3 $1 $11 {remains equal.}) 37... Kh7 {[%emt 0:01:18]} 38. Rb3 {[%emt 0:00:35]} b6 {[%emt 0:00:25]} 39. Rc3 {[%emt 0:00:03]} Rgf6 {[%emt 0:00:43]} 40. Kg1 {[%emt 0:00:57]} Rg6 {[%emt 0:03:28]} (40... Qg5 $15) 41. Kh1 $1 {[%emt 0:30:59]} Qh4 {[%emt 0:30:22]} 42. Kh2 {[%emt 0:01:11]} Qf6 {[%emt 0:00:47]} 43. Qe3 {[%emt 0:00:00]} ({White must play} 43. Qd2 $1 $15) 43... Qd6+ $1 $19 {[%emt 0:00:00]} 44. Kh1 {[%emt 0:00:00] [#]} Rgf6 {[%emt 0:00:00]} (44... Qd7 $1 $17 45. f4 Qxa4) 45. Kg1 {[%emt 0:00:00]} Qb4 {[%emt 0:00:00]} 46. b3 {[%emt 0:00:00]} Rg6 {[%emt 0:00:00]} 47. Kh1 {[%emt 0:00:00]} Qe7 {[%emt 0:00:00]} 48. Qe2 {[%emt 0:00:00]} (48. f4 $15) 48... Qf6 {[%emt 0:00:00]} (48... Qh4 {feels hotter.} 49. Kh2 Qg5 50. f3 Qf4+) 49. Qe3 {[%emt 0:00:00]} Qh4 {[%emt 0:00:00][%cal Of5f3] Strongly threatening ...Rf3!} 50. Kh2 {[%emt 0:00:00]} Qf6 {[%emt 0:00:00]} 51. Kh1 {[%emt 0:00:00]} Qd6 {[%emt 0:00:00]} 52. Qe2 {[%emt 0:00:00]} Qb4 {[%emt 0:00:00]} 53. Qe3 {[%emt 0:00:00]} Rgf6 {[%emt 0:00:00]} 54. Kg1 $1 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 55. axb5 {[%emt 0:00:00]} Qxb5 {[%emt 0:00:00]} 56. Rc5 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00][%cal Of5f3] ...Rf3! would be deadly.} 57. Rc3 {[%emt 0:00:00]} Rg5 {[%emt 0:00:00] White must now prevent ...Rf3.} 58. Kh2 {[%emt 0:00:00]} Qd6+ {[%emt 0:00:00]} 59. Kh1 {[%emt 0:00:00]} Rgf5 {[%emt 0:00:00]} 60. Kg1 {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 61. Qe2 {[%emt 0:00:00]} Rg5 {[%emt 0:00:00]} 62. Kh2 {[%emt 0:00:00]} Qd6+ {[%emt 0:00:00]} 63. Kh1 {[%emt 0:00:00]} Rgf5 {[%emt 0:00:30]} 64. Kg1 $1 {[%emt 0:00:00]} Qb4 {[%emt 0:01:25][%csl LRc3,LRd4]} 65. Qe3 {[%emt 0:00:00]} Rf7 {[%emt 0:00:53]} 66. Rc5 {[%emt 0:00:00]} Qb7 {[%emt 0:01:49]} ({Black should play} 66... Qb6 $15) 67. Rc3 {[%emt 0:00:00]} (67. Rxa5 $11 Qc6 68. Qc1 Qxc1 69. Rxc1) 67... Qd7 {[%emt 0:00:12]} 68. Qe2 {[%emt 0:00:00]} Rg5 {[%emt 0:00:22]} 69. Kh2 {[%emt 0:00:00]} Qd6+ {[%emt 0:00:08]} 70. Kh1 {[%emt 0:00:00]} Qg6 {[%emt 0:00:30]} 71. Rg1 {[%emt 0:00:00]} (71. f3 $142) 71... Qf6 $17 {[%emt 0:00:08][%csl LRd4,LRf2]} 72. f3 {[%emt 0:00:00]} Qxd4 {[%emt 0:00:28]} 73. Re3 {[%emt 0:01:34] [#]} (73. Qc2 $17) 73... exf3 {[%emt 0:01:37]} (73... Rg3 $1 $19 {[%cal Of7f3] aiming for ...Rfxf3!} 74. Rd1 Qb6) 74. Rxf3 {[%emt 0:00:06]} Rxf3 {[%emt 0:00:23]} 75. Qxf3 $19 {[%emt 0:00:03][%mdl 4096] Endgame KQR-KQR} Qe4 {[%emt 0:00:14]} 76. Rd1 {[%emt 0:02:28]} Qxf3 {[%emt 0:02:23]} (76... Rf5 $17 77. Qd3 Qxd3 78. Rxd3 Kg6) 77. gxf3 $17 {[%emt 0:00:04] KR-KR} Rg3 {[%emt 0:04:21]} 78. Rxd5 {[%emt 0:00:08] The position is equal.} Rxf3 {[%emt 0:00:35]} 79. Kg2 {[%emt 0:00:38]} Rxb3 {[%emt 0:00:06]} 80. Rxa5 {[%emt 0:00:02]} Kg6 {[%emt 0:00:24]} 81. Rc5 {[%emt 0:00:15]} h5 {[%emt 0:00:38]} 82. h4 {[%emt 0:00:21]} Rd3 {[%emt 0:00:42]} 83. Rg5+ {[%emt 0:00:11]} Kh6 {[%emt 0:00:06]} 84. Ra5 {[%emt 0:00:04]} Rc3 {[%emt 0:00:18]} 85. Rb5 {[%emt 0:00:04]} g6 {[%emt 0:00:28]} 86. Rb7 {[%emt 0:00:20]} Rc4 {[%emt 0:00:32]} 87. Rb5 $2 {[%mdl 40960] Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise) . An unexpected result.} (87. Kh3 $11) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.6"]
[White "Tesar, Jakub"]
[Black "Mametev, Artem"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1960"]
[BlackElo "2074"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 10,83,29,22,17,23,32,39,20,8,12,8,10,12,12,6,7,8,12,18,17,8,18,13,14,8,20,4,4,3,14,19,38,43,37,34,50,37,49,13,24,0,8,0,10,0,0,0,0,-29,-28,-59,16,-66,-64,-51,-56,-57,-48,-39,-13,-13,-13,-20,71,34,40,-24,62,56,59,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:02]} 2. c3 {[%emt 0:00:07]} d5 {[%emt 0:00:03]} 3. exd5 {[%emt 0:00:07]} Qxd5 {[%emt 0:00:04]} 4. d4 {[%emt 0:00:10]} Nc6 {[%emt 0:00:02]} 5. Nf3 {[%emt 0:00:09]} Bf5 {[%emt 0:00:04]} 6. Be3 {[%emt 0:00:16]} cxd4 {[%emt 0:00:11] B22: Sicilian: 2 c3.} 7. Nxd4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:18]} 8. Nxf5 {[%emt 0:00:25]} Qxf5 {[%emt 0:00:02] White is slightly better.} 9. Bd3 {[%emt 0:00:46]} Qd5 {[%emt 0:00:07] [#] aiming for ...0-0-0.} 10. O-O {[%emt 0:00:10][%cal Od1b3]} O-O-O {[%emt 0:00:06]} 11. Be2 {[%emt 0:00:44] Strongly threatening Qa4. This pair of bishops is nice.} Qxd1 {[%emt 0:00:06]} 12. Rxd1 {[%emt 0:00:04]} Rxd1+ {[%emt 0:00:03]} 13. Bxd1 {[%emt 0:00:07]} Nd5 {[%emt 0:00:12]} 14. Bc1 {[%emt 0:01:14]} e6 {[%emt 0:00:22]} 15. Be2 {[%emt 0:01:28]} Be7 {[%emt 0:02:09]} 16. g3 {[%emt 0:09:24]} Rd8 {[%emt 0:20:07]} 17. Nd2 {[%emt 0:14:52] [#]} f5 $146 {[%emt 0:10:44]} ({Predecessor:} 17... Bg5 18. f4 Be7 19. Nb3 g6 20. Kg2 h5 21. Bd2 Bd6 22. Rd1 Bc7 23. Na1 Bb6 {½-½ Kotainy,J (2413)-Wirig,A (2490) Neckar op-A 17th 2013 (7)}) 18. Nf1 {[%emt 0:16:36]} g5 {[%emt 0:04:19]} 19. Bd2 {[%emt 0:03:29]} e5 {[%emt 0:01:47]} 20. Rd1 {[%emt 0:05:13]} f4 {[%emt 0:12:51]} 21. Bc1 {[%emt 0:05:28]} Nf6 {[%emt 0:03:05]} 22. Rxd8+ {[%emt 0:02:09]} Kxd8 {[%emt 0:01:11]} 23. Nd2 {[%emt 0:06:54]} e4 {[%emt 0:04:26]} 24. Nb3 {[%emt 0:04:49]} Bd6 {[%emt 0:03:44]} 25. Kf1 {[%emt 0:09:28]} h6 {[%emt 0:02:02][%cal Bh7h6,Bh6h5,Bh5h4][%mdl 32]} 26. Bd2 {[%emt 0:04:20]} e3 {[%emt 0:02:37][%mdl 64] [#] Deflection} 27. fxe3 {[%emt 0:01:08]} (27. Be1 {simplifies} exf2 28. Kxf2 fxg3+ 29. hxg3 Ke7 30. Kg2) 27... fxg3 {[%emt 0:00:03]} 28. h3 {[%emt 0:00:32]} h5 {[%emt 0:06:00]} 29. Kg2 {[%emt 0:01:37]} h4 {[%emt 0:04:15]} 30. Bf3 {[%emt 0:01:55]} Kc7 {[%emt 0:00:43]} ({Black should try} 30... Ne5 $15 31. Be2 (31. Bxb7 Kc7 $15) 31... g4) 31. e4 {[%emt 0:02:18]} (31. Nd4 $11) 31... Bf4 $15 {[%emt 0:06:24]} 32. Bxf4+ {[%emt 0:00:12]} gxf4 {[%emt 0:00:01][%mdl 4096] Endgame KBN-KNN} 33. Nc5 $1 {[%emt 0:00:38]} Nd8 {[%emt 0:07:29]} 34. e5 {[%emt 0:00:33]} Nd7 {[%emt 0:00:43]} 35. Nd3 {[%emt 0:00:55]} Ne6 {[%emt 0:00:57]} 36. b4 $1 {[%emt 0:01:22] Repels Ndc5} Kd8 {[%emt 0:02:16]} (36... b5 $11) 37. Bxb7 {[%emt 0:00:30]} (37. Bd5 $5 {[%cal Rd5e6]} Nef8 38. e6 $16 (38. Bxb7 Ng6 $16) (38. Nxf4 b6 $14)) 37... Nb6 $1 {[%emt 0:00:48]} 38. Nb2 {[%emt 0:04:39]} (38. Kh1 $14) 38... Kc7 {[%emt 0:02:23]} (38... f3+ $1 $11 39. Bxf3 (39. Kxf3 Kc7 $17) 39... Nf4+ 40. Kh1 Nxh3) 39. Bf3 $14 {[%emt 0:00:19]} Ng5 {[%emt 0:02:19]} 40. c4 {[%emt 0:04:40]} (40. a4 $1 $14) 40... Nd7 $11 {[%emt 0:00:26]} 41. Nd3 {[%emt 0:30:23] Threatens to win with Bd5.} Nb6 {[%emt 0:31:26]} 42. Nb2 {[%emt 0:00:00] Weighted Error Value: White=0.14 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.7"]
[White "Tillmann, Stanislav"]
[Black "Simunek, Jakub Simon"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1907"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,87,-17,5,-1,33,-19,-22,-18,-4,-17,-12,-23,0,0,0,0,10,-17,-4,-22,7,20,11,16,39,-20,-25,-86,-35,-98,-95,-158,-131,-137,-144,-135,-118,-120,-5,-9,-9,-7,-18,-20,-26,-26,-20,-14,-27,-38,-3,-8,-7,-38,-45,-48,-16,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:15]} 2. Nc3 {[%emt 0:00:05]} c5 {[%emt 0:01:39]} 3. Bf4 {[%emt 0:02:07]} Nf6 {[%emt 0:01:40]} 4. e3 {[%emt 0:00:49]} a6 {[%emt 0:02:31]} 5. Nf3 {[%emt 0:01:13]} Nc6 {[%emt 0:04:17]} 6. Be2 {[%emt 0:03:28] D00: 1 d4 d5: Unusual lines.} Bf5 {[%emt 0:05:43]} 7. a3 {[%emt 0:04:58]} (7. dxc5 $14 e6 8. Na4) 7... e6 $11 {[%emt 0:03:12]} 8. Ne5 {[%emt 0:07:17] [#]} Bd6 $146 {[%emt 0:09:53]} ({Predecessor:} 8... Rc8 9. g4 cxd4 10. exd4 Be4 11. f3 Bg6 12. h4 h6 13. Nxg6 fxg6 14. Qd3 Kf7 {½-½ Jacobsen,H (1873)-Petersen,T (1986) FAI-chT 2021 2020 (10.3)}) 9. g4 {[%emt 0:08:00]} cxd4 {[%emt 0:19:30]} 10. exd4 {[%emt 0:07:02]} Be4 {[%emt 0:07:04]} 11. f3 {[%emt 0:00:52] [#] Nxc6 would be deadly.} Bg6 {[%emt 0:05:58]} 12. h4 {[%emt 0:00:23]} h6 {[%emt 0:02:00]} 13. Nxg6 {[%emt 0:03:09]} fxg6 {[%emt 0:00:05]} 14. Qd2 {[%emt 0:00:27]} Rf8 {[%emt 0:12:01][%cal Of6e4]} (14... Bxf4 $5 15. Qxf4 O-O $11) 15. Bxd6 {[%emt 0:14:48]} Qxd6 {[%emt 0:00:05]} 16. O-O-O {[%emt 0:00:18]} Nd7 {[%emt 0:03:26]} 17. Bd3 {[%emt 0:04:31]} (17. Qd3 $14) 17... O-O-O {[%emt 0:02:48]} 18. Qe3 {[%emt 0:05:41]} (18. Rhf1 $11) 18... Qf4 {[%emt 0:01:31]} ({Better is} 18... e5 $17 19. dxe5 Ndxe5) 19. Rhe1 {[%emt 0:02:58]} ({White should play} 19. Qxf4 $15 Rxf4 20. Ne2 Rxf3 21. Bxg6) 19... Nxd4 $17 {[%emt 0:01:15]} (19... Qxd4 20. Qxe6 Rf6 21. Qxd5 $16) 20. Bxg6 {[%emt 0:01:07]} (20. Bf5 $142 Qxe3+ 21. Rxe3) 20... Nxf3 {[%emt 0:01:44]} 21. Qxf4 {[%emt 0:00:19]} Rxf4 {[%emt 0:00:19]} 22. Rxe6 {[%emt 0:01:02]} Nf8 {[%emt 0:01:24] A dynamic duo of knights.} ({Don't do} 22... Rxg4 23. Bh5 (23. Rxd5 Rg1+ 24. Nd1 Nf6 $15) (23. Nxd5 Nd4 $14) 23... Rf4 24. Nxd5 $18) 23. Rb6 {[%emt 0:07:26]} Nxg6 {[%emt 0:10:23]} ({Stronger than} 23... Nxh4 24. Bd3 $15) (23... Kc7 $17 24. Rxd5 Rd4 25. Rxd8 Rxd8 26. Rxb7+ {[%mdl 64] Decoy} Kxb7 27. Be4+ Ka7 28. Bxf3 Ng6) 24. Rxg6 $11 {[%emt 0:01:06]} d4 {[%emt 0:00:05]} 25. Ne2 {[%emt 0:04:30]} Rf7 {[%emt 0:00:24]} 26. h5 {[%emt 0:02:44]} Ne5 {[%emt 0:01:58]} 27. Re6 {[%emt 0:00:14]} Nxg4 {[%emt 0:00:21]} 28. Rxd4 {[%emt 0:02:32]} Rf1+ {[%emt 0:02:06]} 29. Kd2 {[%emt 0:00:02]} Rxd4+ {[%emt 0:00:14]} 30. Nxd4 $15 {[%emt 0:00:07][%mdl 4096] Endgame KRN-KRN} Nf6 {[%emt 0:00:09]} 31. Re7 {[%emt 0:03:12]} Nxh5 {[%emt 0:00:32]} 32. Ne6 {[%emt 0:00:21]} g5 {[%emt 0:00:37] aiming for ...g4.} 33. Rh7 {[%emt 0:01:18] The position is equal.} Rf6 {[%emt 0:00:10]} (33... g4 $5 {[%cal Rg4g3]} 34. Rh8+ Kd7 35. Nc5+ Kd6 36. Rxh6+ (36. Nxb7+ Kd5 $17) 36... Kxc5 37. Rxh5+ Kd4 $15) 34. Nxg5 {[%emt 0:01:21]} hxg5 {[%emt 0:01:29]} 35. Rxh5 $11 {[%emt 0:00:08] KR-KR} Rf2+ {[%emt 0:00:23]} 36. Kd3 {[%emt 0:00:29]} Rg2 {[%emt 0:00:16]} 37. Rh7 {[%emt 0:00:33]} Kb8 {[%emt 0:00:45]} 38. Rg7 {[%emt 0:00:35]} Kc8 {[%emt 0:00:07]} 39. a4 {[%emt 0:00:48]} Rg4 {[%emt 0:00:55]} 40. a5 {[%emt 0:03:38]} Rb4 {[%emt 0:00:35]} 41. Kc3 {[%emt 0:31:03]} Rb5 {[%emt 0:30:07]} 42. b4 {[%emt 0:00:31]} Kb8 {[%emt 0:00:00]} 43. Kb3 {[%emt 0:00:00]} Rf5 {[%emt 0:00:00]} 44. c3 {[%emt 0:00:00] Weighted Error Value: White=0.18 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.8"]
[White "Davidek, Zdenek"]
[Black "Svoboda, Daniel"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "1957"]
[BlackElo "1748"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 22,96,12,0,0,0,0,0,0,-54,-63,-79,-31,-63,-11,-52,-45,-50,0,0,0,0,0,0,0,-17,-8,-14,9,8,0,0,0,-38,66,69,55,68,64,22,31,32,43,9,86,0,36,8,55,66,70,16,32,0,0,-16,31,10,12,-10,54,24,38,38,50,0,42,0,0,0,0,-69,-69,-100,-38,-86,-84]} 1. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:07]} 3. c4 {[%emt 0:00:06]} dxc4 {[%emt 0:00:17]} 4. e3 {[%emt 0:00:18]} e6 {[%emt 0:00:35]} 5. Bxc4 {[%emt 0:00:06]} c5 {[%emt 0:00:18]} 6. O-O {[%emt 0:00:28]} a6 {[%emt 0:00:33]} 7. a4 {[%emt 0:00:16]} cxd4 {[%emt 0:01:08]} 8. exd4 {[%emt 0:00:59]} Nc6 {[%emt 0:01:14]} 9. Nc3 {[%emt 0:00:26]} Be7 {[%emt 0:01:13]} 10. Re1 {[%emt 0:15:57]} O-O {[%emt 0:03:14]} 11. Bg5 {[%emt 0:09:55] 11.Bf4 is the modern continuation.} h6 {[%emt 0:00:36]} 12. Bh4 {[%emt 0:01:19]} Bd7 {[%emt 0:02:14] D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 13. Qe2 {[%emt 0:03:56]} Nd5 {[%emt 0:06:05]} 14. Bxe7 {[%emt 0:00:52]} Ncxe7 {[%emt 0:01:38] [#] The position is equal.} 15. Ne4 $146 {[%emt 0:08:21]} (15. Nxd5 $11 Nxd5 16. Ne5) ({Predecessor:} 15. Nxd5 Nxd5 16. Bxd5 exd5 17. Qd3 Re8 18. Rxe8+ Bxe8 19. b3 Rc8 20. h3 b5 21. axb5 Bxb5 {0-1 Berner,R-Fischer,K Liga 2019 21539-K3-G3}) 15... Bc6 $15 {[%emt 0:08:21]} 16. Ne5 {[%emt 0:01:18]} Rc8 {[%emt 0:09:39]} ({Black should play} 16... Nb6 $17) 17. a5 {[%emt 0:16:38]} Nf5 {[%emt 0:14:25]} 18. Red1 {[%emt 0:04:09]} (18. Qg4 {keeps more tension.} Nxd4 19. Rad1 Nc2 20. Nxf7 Rxf7 21. Qxe6 Nxe1 22. Nd6) 18... Nf4 {[%emt 0:11:49][%csl LRd4,LRe2]} 19. Qg4 {[%emt 0:10:15]} Qh4 {[%emt 0:10:09]} (19... Bd5 $15 20. Qxf4 Bxc4) 20. Qxh4 $11 {[%emt 0:01:06]} Nxh4 {[%emt 0:00:12]} 21. Nxc6 {[%emt 0:00:02]} Rxc6 {[%emt 0:01:04]} 22. Bf1 {[%emt 0:00:23]} Nf5 {[%emt 0:02:30][%cal Bh4f5,Bf5d4,Bd4f3][%mdl 32]} 23. Ra3 {[%emt 0:02:47]} Rd8 {[%emt 0:03:04]} 24. g3 {[%emt 0:00:36]} Nxd4 {[%emt 0:09:07] ...Nde2+ is the strong threat.} 25. gxf4 {[%emt 0:01:02]} Nf3+ $1 {[%emt 0:00:22][%mdl 64] [#] Discovered Attack} 26. Rxf3 {[%emt 0:00:02]} Rxd1 {[%emt 0:00:06]} 27. Kg2 {[%emt 0:00:30]} Rb1 {[%emt 0:04:14]} (27... Rd4 $15 28. Rd3 Rxd3 29. Bxd3 f5) 28. Rb3 $14 {[%emt 0:00:56]} Ra1 $1 {[%emt 0:01:25]} 29. Rxb7 {[%emt 0:00:56] [#] Strongly threatening b4.} Rxa5 {[%emt 0:00:02]} 30. Bd3 {[%emt 0:00:26] Threatening mate with Rb8+.} f5 $1 {[%emt 0:01:04]} 31. Nc3 {[%emt 0:09:10]} Rac5 {[%emt 0:01:54]} 32. Ra7 {[%emt 0:01:01]} Ra5 {[%emt 0:01:53]} (32... Rd6 $11 {remains equal.} 33. Bf1 (33. Bxa6 Ra5 $15) 33... Rcc6) 33. Rb7 {[%emt 0:01:58]} (33. h4 $16) 33... Rac5 $1 {[%emt 0:00:06]} 34. Kf1 {[%emt 0:02:55]} Kh7 {[%emt 0:02:37]} (34... Rd6 $11 35. Ke2 g5) 35. Ke2 {[%emt 0:01:26]} Kg6 {[%emt 0:00:28]} 36. Rb4 {[%emt 0:01:57] White is much more active.} (36. Na4 $14 Rc1 37. b4) 36... Rd6 {[%emt 0:02:21]} 37. Rb7 {[%emt 0:04:57]} Kf6 {[%emt 0:00:39]} 38. Rb4 {[%emt 0:00:46][%cal Bb7b4,Bb4a4,Ba4a2,Ba2a6][%mdl 32]} Kf7 {[%emt 0:01:32]} (38... a5 $11 {feels stronger.} 39. Ra4 Rb6) 39. Ra4 {[%emt 0:00:13]} Rb6 {[%emt 0:00:40]} 40. Ra2 {[%emt 0:00:01] aiming for Na4.} Rd6 {[%emt 0:00:45]} (40... Rb4 $11) 41. Bxa6 {[%emt 0:06:12]} Rd4 {[%emt 0:00:54]} 42. Ke3 {[%emt 0:01:01]} Rb4 {[%emt 0:01:26]} 43. Bd3 {[%emt 0:00:21]} (43. h4 $14) 43... Kf6 {[%emt 0:04:31]} 44. Ra6 {[%emt 0:03:36]} g5 {[%emt 0:01:22]} 45. fxg5+ {[%emt 0:02:10]} hxg5 {[%emt 0:00:51]} 46. Ra1 {[%emt 0:00:39]} (46. Nd1 $11) 46... Rxb2 $15 {[%emt 0:04:43]} 47. Ra3 {[%emt 0:02:03]} Rc7 {[%emt 0:05:14]} (47... g4 $17 {Hoping for ...Re5+.} 48. Be2 Rc8) 48. Kf3 {[%emt 0:01:14]} (48. Ne2 $15 {might be stronger.}) 48... Rh7 {[%emt 0:02:48] Weighted Error Value: White=0.24 (precise) /Black=0.20 (precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.9"]
[White "Vilimek, Vit"]
[Black "Hozda, Max"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2018"]
[BlackElo "2067"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,43,19,-52,-46,-37,-67,-94,-100,-120,-118,-142,-118,-178,0,0,0,0,0,0,0,0,-6,-39,-5,-27,1789,1759,1783,1453]} 1. e4 {[%emt 0:00:03]} d5 {[%emt 0:00:57]} 2. exd5 {[%emt 0:00:02]} Qxd5 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:01]} Qa5 {[%emt 0:00:12]} 4. d4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:14]} 5. Bc4 {[%emt 0:00:09]} c6 {[%emt 0:00:21]} 6. Nf3 {[%emt 0:00:06]} Bf5 {[%emt 0:00:31]} 7. O-O {[%emt 0:00:07]} Nbd7 {[%emt 0:02:59]} 8. Re1 {[%emt 0:00:23]} e6 {[%emt 0:06:28]} 9. Ne5 {[%emt 0:08:43]} (9. a3 $1 $11) 9... Nxe5 $15 {[%emt 0:19:05] B01: Scandinavian Defence.} 10. Rxe5 {[%emt 0:05:34]} Qb4 {[%emt 0:01:34]} 11. Qe2 {[%emt 0:17:21] [#]} O-O-O $1 {[%emt 0:01:23] Black is better.} 12. a3 {[%emt 0:10:25]} Qb6 {[%emt 0:01:07] [#]} 13. Be3 $146 {[%emt 0:05:23][%cal Od4d5]} ({Predecessor:} 13. Rxf5 exf5 14. Bxf7 Bd6 15. Qc4 Rhf8 16. Be6+ Kb8 17. Bxf5 Qa5 18. Qd3 g6 19. Bh3 {½-½ Stefansson,H (2470)-Westerinen,H (2420) Gausdal Int 1991 (9)}) 13... Ng4 {[%emt 0:27:50]} 14. b4 {[%emt 0:15:06]} (14. Na4 $2 Qc7 15. Bf4 Nxe5 16. Bxe5 Bd6 $19) (14. Rxf5 $17 exf5 15. Rb1) 14... Rxd4 $2 {[%emt 0:21:10]} (14... Qc7 $19 {...f6 would be deadly.} 15. Bf4 Nxe5) 15. Bxd4 $11 {[%emt 0:11:11]} Qxd4 {[%emt 0:00:08]} 16. Rxf5 {[%emt 0:02:12]} exf5 {[%emt 0:02:29]} (16... Qxc3 $2 17. Rd1 (17. Rxf7 $2 Qxa1+ 18. Qf1 Qe5 $19) 17... Bxb4 18. Rxf7 $18) 17. Qe8+ {[%emt 0:10:15]} Kc7 {[%emt 0:00:29]} 18. Qxf7+ {[%emt 0:01:27]} (18. Bxf7 Qxf2+ 19. Kh1 Qf4) 18... Qd7 {[%emt 0:02:10]} ({Resist} 18... Kb8 19. Qe8+ (19. Qxf5 $2 {perishes.} Bd6 $19) 19... Kc7 20. Rd1 Qxf2+ 21. Kh1 $14) 19. Re1 {[%emt 0:08:23][%cal Ba1e1,Be1e8,Be8e7][%mdl 32]} g6 {[%emt 0:01:59]} 20. Re8 {[%emt 0:02:46]} Bg7 {[%emt 0:00:10][%mdl 8192] [#] Black is weak on the light squares} (20... Qxf7 $11 21. Bxf7 Bg7 22. Rxh8 Bxh8) 21. Re7 $18 {[%emt 0:00:06]} Rd8 {[%emt 0:01:30]} 22. Qxg7 {[%emt 0:00:17] What a bad dream for Black.   Weighted Error Value: White=0.25 (precise) /Black=0.32} ({Weaker is} 22. Rxd7+ Rxd7 23. Qe6 Bxc3 $16) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.10"]
[White "Pelc, Adam"]
[Black "Mohapl, Tomas"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1871"]
[BlackElo "1946"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,66,0,4,-8,0,-7,-13,-10,18,8,14,15,0,0,26,0,78,67,227,204,216,197,189,170,174,185,177,169,183,185,302,295,460,322,1966,1870,1881,1864,1762,1702,29984,29985,29985,29986,29985,29986,29986,1002,29990,29991,29994]} 1. e4 {[%emt 0:00:13]} c5 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:00:31]} Nc6 {[%emt 0:00:27]} 3. g3 {[%emt 0:00:54]} g6 {[%emt 0:02:25]} 4. Bg2 {[%emt 0:01:24]} Bg7 {[%emt 0:00:45]} 5. Nge2 {[%emt 0:04:02]} Nf6 {[%emt 0:03:36]} 6. d3 {[%emt 0:02:34]} d6 {[%emt 0:01:17]} 7. O-O {[%emt 0:00:51]} O-O {[%emt 0:00:40]} 8. h3 {[%emt 0:04:14]} Rb8 {[%emt 0:03:25] 8...Rb8 is better than 8...Bd7.} 9. f4 {[%emt 0:01:34]} Bd7 {[%emt 0:12:18] [#]} 10. Qe1 $146 {[%emt 0:11:15] B25: Closed Sicilian: 3 g3, lines without early Be3.} ({Predecessor:} 10. Be3 b5 11. a3 a5 12. a4 b4 13. Nb5 Ne8 14. Rb1 Nc7 15. c4 Nxb5 16. axb5 Nd4 17. Nxd4 cxd4 18. Bd2 e5 19. f5 {0-1 Demchenko,A (2679)-Jones,G (2682) Wch Blitz St Petersburg 2018 (13)}) 10... b5 {[%emt 0:08:00]} 11. Nd1 {[%emt 0:01:26][%cal Bc3d1,Bd1e3,Be3g4,Bg4h6,Bh6f7,Bf7g5][%mdl 32]} Ne8 {[%emt 0:13:30]} 12. Ne3 {[%emt 0:04:13] The position is equal.} Nd4 {[%emt 0:10:08]} 13. c3 {[%emt 0:04:39]} Nxe2+ {[%emt 0:00:58]} 14. Qxe2 {[%emt 0:00:05]} b4 {[%emt 0:01:02]} 15. Bd2 {[%emt 0:06:08]} e6 {[%emt 0:11:03]} 16. f5 {[%emt 0:21:45]} Bb5 {[%emt 0:02:38]} (16... bxc3 $11 {remains equal.} 17. Bxc3 Bxc3 18. bxc3 Qg5) 17. Ng4 {[%emt 0:07:26]} (17. fxe6 {simplifies} fxe6 18. Rxf8+ Bxf8 19. Ng4) 17... h5 $2 {[%emt 0:02:20] Loses the game.} (17... exf5 $14 18. exf5 Kh8) 18. Nh6+ $18 {[%emt 0:00:49]} Kh7 {[%emt 0:01:49]} 19. fxg6+ {[%emt 0:00:11]} fxg6 {[%emt 0:00:16]} 20. Nf7 {[%emt 0:01:14]} Qe7 {[%emt 0:01:35]} 21. Ng5+ {[%emt 0:01:16]} Kg8 {[%emt 0:00:25]} 22. Rxf8+ {[%emt 0:00:45]} ({Much less strong is} 22. cxb4 $6 Nc7 $16) 22... Bxf8 {[%emt 0:00:42]} 23. Rf1 {[%emt 0:00:37] aiming for Rf7.} (23. cxb4 cxb4 24. Rf1 Nf6 $16) 23... Bd7 {[%emt 0:06:46]} (23... bxc3 $142 24. bxc3 Ng7) 24. e5 {[%emt 0:02:28][%cal Be4e5,Be5f6,Bf6f7][%mdl 32] Hoping for Be4.} ({But not} 24. Rf7 Qxf7 25. Nxf7 bxc3 26. Bxc3 Kxf7) 24... d5 {[%emt 0:02:58] Inhibits Be4.} (24... bxc3 $142 25. bxc3 dxe5) 25. Rf7 {[%emt 0:00:41]} Qd8 $2 {[%emt 0:00:01] [#]} (25... Qxf7 26. Nxf7 bxc3 27. bxc3 Rb1+ 28. Kh2 Kxf7) 26. Rxf8+ $1 {[%emt 0:00:17][%mdl 512]} Kxf8 {[%emt 0:00:24]} 27. Qf2+ {[%emt 0:00:48]} Nf6 {[%emt 0:00:06]} 28. exf6 {[%emt 0:00:03] Intending Bf4 and mate.} bxc3 {[%emt 0:01:29] Black is weak on the dark squares} 29. Qxc5+ {[%emt 0:01:17]} Kg8 {[%emt 0:00:40]} 30. f7+ {[%emt 0:05:06]} Kg7 {[%emt 0:00:01]} 31. Bxc3+ {[%emt 0:00:11]} Kh6 {[%emt 0:00:01] [#]} 32. Qe3 {[%emt 0:00:17]} Qb6 {[%emt 0:01:36]} 33. Bd4 {[%emt 0:00:09][%mdl 64] Skewer} (33. Nxe6+ $2 {too greedy.} Qxe3+ 34. Kh2 Qxe6 $19) 33... Qd6 {[%emt 0:00:57]} 34. Ne4+ {[%emt 0:00:15] Artfully played by Pelc.   Weighted Error Value: White=0.11 (very precise) /Black=0.89} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.11"]
[White "Zezula, Jakub"]
[Black "Sigut, Ondrej"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1963"]
[BlackElo "1804"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 28,65,60,51,104,104,101,102,100,99,186,205,204,201,202,208,198,193,193,190,465,384,278,116,117,62,65,45,87,0,0,0,1440,1411,1091,691,5406,5306,2069,2005]} 1. e4 {[%emt 0:00:02]} e6 {[%emt 0:00:04]} 2. d4 {[%emt 0:00:08]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:04]} c5 {[%emt 0:00:10]} 4. exd5 {[%emt 0:00:10]} Qxd5 {[%emt 0:00:06]} 5. Ngf3 {[%emt 0:00:07][%cal Bg1f3,Bf3d4,Bd4f5][%mdl 32]} cxd4 {[%emt 0:00:14]} 6. Bc4 {[%emt 0:00:06]} Qd6 {[%emt 0:00:07]} 7. O-O {[%emt 0:00:08]} Nc6 {[%emt 0:00:13]} 8. Nb3 {[%emt 0:00:19]} Nf6 {[%emt 0:00:15]} 9. Nbxd4 {[%emt 0:00:06]} Nxd4 {[%emt 0:00:11]} 10. Nxd4 {[%emt 0:00:03]} a6 {[%emt 0:00:08]} 11. Bb3 {[%emt 0:00:26]} Qc7 {[%emt 0:00:38]} 12. Re1 {[%emt 0:00:26]} Bd6 {[%emt 0:01:25]} 13. Nf5 {[%emt 0:01:17]} Bxh2+ {[%emt 0:11:24]} 14. Kh1 {[%emt 0:00:02]} O-O {[%emt 0:02:55]} 15. Nxg7 $1 {[%emt 0:00:05][%cal Od1d4] aiming for Qd4!} Kxg7 {[%emt 0:25:22] C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} (15... Rd8 $14 16. Qf3 Kxg7 17. Bh6+ Kg6) 16. Qd4 $1 $16 {[%emt 0:00:10][%cal Oc1h6]} e5 {[%emt 0:24:33]} (16... h6 $2 17. Bxh6+ (17. Qh4 Rh8 $16) 17... Kg6 18. Bxf8 $18) 17. Qh4 {[%emt 0:00:28][%mdl 1024] White has strong compensation.} Ng4 {[%emt 0:02:43] Prevents Bh6+. ...Qd8 is the strong threat. White is better.} 18. f3 $1 {[%emt 0:05:40]} Qd8 {[%emt 0:04:05] [#]} (18... Qd6 $16) 19. Bg5 $1 $18 {[%emt 0:17:56]} f6 {[%emt 0:04:33] [#]} 20. Bc1 {[%emt 0:21:01]} ({Don't do} 20. fxg4 $6 fxg5 21. Qxh2 Rf4 $16) 20... Bf4 {[%emt 0:07:18]} (20... f5 $2 21. Bg5 $18) 21. Bxf4 {[%emt 0:00:50]} ({Worse is} 21. fxg4 Bxc1 22. Raxc1 Qd4 $15) 21... exf4 {[%emt 0:01:34]} 22. Rad1 {[%emt 0:01:34] [#]} Qc7 $146 {[%emt 0:00:43] Hoping for ...Ne5.} ({Predecessor:} 22... Nf2+ 23. Qxf2 Qa5 24. Rd5 Qc7 25. Rc5 Qd6 26. Rh5 Kh8 27. Qh4 Qc7 28. c3 b5 {1-0 Maiko,J (2189)-Kostiukova,L UKR-ch U18 Girls 2001}) 23. fxg4 {[%emt 0:00:35] Black must now prevent g5.} h6 {[%emt 0:01:00] Black is weak on the light squares} (23... Kh8 24. Re4 Qg7) 24. Rd2 {[%emt 0:03:08] Threatens to win with Rde2.} b6 {[%emt 0:02:17]} 25. Rde2 {[%emt 0:03:34]} (25. Qh5 $18) 25... Ra7 $16 {[%emt 0:00:25]} 26. Re8 {[%emt 0:06:35]} (26. Bd5 $16 Qc5 27. Qh5) 26... Qc5 $14 {[%emt 0:02:22]} 27. c3 {[%emt 0:08:22]} Rc7 {[%emt 0:02:48]} 28. Qh3 {[%emt 0:04:36] White is more active.} ({White should play} 28. R1e4 $16) 28... Rxe8 $1 $11 {[%emt 0:02:50]} 29. Rxe8 $40 {[%emt 0:00:14][%mdl 128] Black needs to defend precisely.} Rf7 $2 {[%emt 0:01:14][%mdl 8192]} 30. Bxf7 $18 {[%emt 0:01:11] White is clearly winning.} Kxf7 {[%emt 0:00:03]} 31. Rh8 {[%emt 0:01:36]} Qe3 {[%emt 0:00:55]} 32. Qh5+ {[%emt 0:00:33]} Ke7 {[%emt 0:00:25]} 33. Re8+ {[%emt 0:00:07][%mdl 64] Skewer.   Weighted Error Value: White=0.62/Black=0.46} ({And not} 33. Rxc8 Qe1+ 34. Kh2 Qg3+ 35. Kh1 Qe1+ 36. Kh2 Qg3+ 37. Kh1 Qe1+ $11) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.14"]
[Round "5.12"]
[White "Slaby, Matej"]
[Black "Mrazek, Adam"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1932"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,81,0,0,-9,1,-10,-8,-22,-19,-17,0,-36,-39,-32,-10,-14,-6,-11,0,0,18,21,26,18,38,0,0,0,0,0,38,-33,0,-29,-28,-46,-54,-57,-46,-69,-56,-69,-7,-45,0,0,74,50,62,0,157,144,146,93,92,91,92,85,743,41,32,26,52,57,60,73,96,106,491,502,1562,1501,1183,1134]} 1. Nf3 Nf6 2. d4 g6 3. Bf4 Bg7 4. h3 O-O 5. e3 d6 6. Bh2 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} b6 7. Bd3 Bb7 8. Nbd2 {The position is equal.} Nbd7 {[%cal Oe7e5]} 9. O-O Re8 10. e4 e5 11. dxe5 dxe5 12. b4 {[#]} Qe7 $146 ({Predecessor:} 12... Nh5 13. Re1 Qe7 14. c3 a5 15. a3 Nf4 16. Bf1 Red8 17. Qc2 h5 18. Nc4 Qf6 {0-1 Golubov,S (2482)-Mamedyarov,S (2817) Wch Blitz St Petersburg 2018 (2)}) 13. Rb1 c5 14. a3 c4 {[%mdl 64] Deflection} 15. Bxc4 Nxe4 16. Nxe4 Bxe4 17. Re1 (17. Qe2 $5 {[%cal Re2e4]} Bb7 18. Rfd1 $11) 17... Bb7 18. Bd5 Bxd5 19. Qxd5 Rac8 20. Qa2 (20. Rbd1 $14 Rc7 21. Bg3) 20... Kh8 21. Re2 f6 22. c4 Nf8 23. Rd1 Bh6 24. Rde1 {[%cal Rf3e5]} Qf7 $1 25. Re4 b5 (25... Red8 $15) 26. g4 {[%cal Og4g5]} (26. Rh4 $2 Bg7 27. Qc2 bxc4 $19) (26. Bxe5 $5 fxe5 27. Nxe5 $11) 26... bxc4 {Strongly threatening ...Ne6.} 27. g5 $1 Bg7 (27... Bxg5 $11 28. Nxg5 fxg5) 28. gxf6 $16 Bxf6 29. Bxe5 (29. Nxe5 $14 Bxe5 30. Bxe5+ Kg8 31. Qc2) 29... Bxe5 $2 (29... Nd7 $1 $11) 30. Nxe5 Qf5 31. Qe2 ({White should try} 31. Rxc4 h5 32. Rxc8 Rxc8 33. Qf7) 31... Kg7 {...c3 would be deadly.} 32. Nxc4 {[%mdl 64] Discovered Attack} (32. Rxc4 $2 {perishes.} Qxe5 33. Qxe5+ Rxe5 34. Rxe5 Rxc4 $19) 32... Rxe4 33. Qxe4 Qxh3 $2 {[%mdl 8192]} (33... Qxe4 $16 34. Rxe4 Kf6) 34. Re3 $2 (34. Nd6 $18) 34... Qd7 $14 35. Rd3 Qe6 {Black is weak on the dark squares} 36. Qd4+ Kg8 37. Ne5 Rc1+ {[#]} 38. Kg2 $1 Re1 $2 {[%mdl 8192] [#]} (38... Qe7 $16) 39. Ng4 $1 $18 {[%cal Rg4h6] Active counter play! White is clearly winning.} Qe4+ (39... g5 $142 40. Rf3 Nd7 41. Qxd7 {[%mdl 64] Remove Defender, Decoy} Qxd7 42. Nf6+ Kg7 43. Nxd7 Re7) 40. Qxe4 Rxe4 41. Nf6+ {Weighted Error Value: White=0.29 (precise) /Black=0.42} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.1"]
[White "Paseka, Matyas"]
[Black "Lang, Simon"]
[Result "0-1"]
[ECO "C04"]
[WhiteElo "2082"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,150,42,48,48,38,32,32,35,35,37,29,39,-4,34,41,52,-66,70,70,68,-10,0,0,0,-94,9,-29,0,0,68,67,107,102,122,47,27,-177,-169,-177,-180,-262,-247,-282,-289,-289,-294,-308,-305,-312,-308,-308,-310,-306,-289,-313,-270,-294,-287,-294,-262,-285,-245,-286,-278,-288,-255,-262,-197,-256,-233,-238,-223,-224,-199,-360,-364,-370,-366,-356,-341,-493,-496,-479,-485,-523,-511,-691,-677,-648,-542,-746,-713,-851,-847,-765,-699,-819,-806,-5277,-5164,-5189,-2442,-29974,-29975,-29976,-29976,-29976,-291,-29977,-29978,-29974,-29965,-29968,-29969,-29975,-29976,-29975,-29977,-29978,-29979,-29983,-29984,-29984,-29983,-29983,-29983,-29983,-29984,-29984,-29983,-29983,-29982,-29982,-29982,-29984,-29981]} 1. e4 {[%emt 0:00:03]} e6 {[%emt 0:00:24]} 2. d4 {[%emt 0:00:07]} d5 {[%emt 0:00:25]} 3. Nd2 {[%emt 0:00:09][%cal Bb1d2,Bd2f1,Bf1e3,Be3g4][%mdl 32]} Nc6 {[%emt 0:00:32]} 4. Ngf3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:31]} 5. e5 {[%emt 0:00:07]} Nd7 {[%emt 0:00:55]} 6. Be2 {[%emt 0:00:16]} f6 {[%emt 0:00:55]} 7. exf6 {[%emt 0:00:09]} Qxf6 {[%emt 0:00:45]} 8. Nf1 {[%emt 0:00:24]} Bd6 {[%emt 0:01:10]} 9. Ne3 {[%emt 0:00:27]} b6 {[%emt 0:01:28] C04: French Tarrasch: 3...Nc6.} 10. Ng4 {[%emt 0:16:08]} Qf5 {[%emt 0:02:26]} 11. h3 {[%emt 0:02:11]} Bb7 {[%emt 0:04:40] White is slightly better.} 12. Bd3 {[%emt 0:05:59]} Qh5 {[%emt 0:08:11]} 13. O-O {[%emt 0:11:48]} O-O-O {[%emt 0:06:37]} 14. Be2 {[%emt 0:09:00]} Qf5 {[%emt 0:09:06]} 15. Re1 {[%emt 0:02:30] [#]} Rde8 $146 {[%emt 0:03:32]} ({Predecessor:} 15... h5 16. Bd3 Qf8 17. Nge5 Ncxe5 18. dxe5 Be7 19. a4 a6 20. Bg6 Qg8 21. Bg5 Bxg5 22. Nxg5 Rf8 23. Ra3 Rh6 24. Bxh5 {1-0 Rogic,D (2494)-Soln,P (2382) Bled op 21st 2000 (5)}) 16. Bd2 {[%emt 0:03:12]} (16. c3 $14) 16... Rhf8 {[%emt 0:03:16] Black is much more active.} ({Black should play} 16... h5 $1 $15 17. Bd3 Qf8) 17. Bd3 $1 $14 {[%emt 0:02:29]} Qh5 {[%emt 0:03:58][%cal Of8f3]} 18. Bc3 {[%emt 0:00:46]} ({White should try} 18. c3 $14) 18... Rf4 {[%emt 0:06:01]} 19. Bb5 {[%emt 0:03:49]} Qf7 {[%emt 0:05:18]} 20. Qd2 {[%emt 0:17:27] [#]} (20. Ng5 $11 {remains equal.} Qg6 21. Nf3) 20... Rf5 {[%emt 0:07:37]} (20... Rxf3 $1 $17 21. gxf3 h5) 21. Nge5 {[%emt 0:07:30]} Ncxe5 {[%emt 0:06:12]} (21... Bxe5 {simplifies} 22. Bxc6 Bxc6 23. Nxe5 Nxe5 24. Rxe5 Rxe5 25. dxe5 a5) 22. dxe5 {[%emt 0:00:38]} Bc5 {[%emt 0:04:47]} (22... Be7 $11) 23. b4 $1 {[%emt 0:01:45]} Be7 {[%emt 0:12:49]} 24. Nd4 {[%emt 0:00:55]} Rh5 {[%emt 0:00:47][%cal Bf5h5,Bh5h4,Bh4d4][%mdl 32]} 25. Qe2 {[%emt 0:01:26]} ({White must play} 25. f4 $16) 25... Rh4 {[%emt 0:02:07][%cal Oe7b4]} 26. Ba6 $2 {[%emt 0:02:26] [#] Loses the game.} (26. Rab1 $11 {and White is okay.}) 26... Bxb4 $1 $19 {[%emt 0:01:32][%mdl 576] Deflection} 27. Bxb7+ {[%emt 0:01:53]} (27. Bxb4 Rxd4) 27... Kxb7 {[%emt 0:00:05]} 28. Bxb4 {[%emt 0:04:34]} (28. Qb5 $142) 28... Rxd4 {[%emt 0:00:06]} 29. Bc3 {[%emt 0:00:15]} Rc4 {[%emt 0:00:54]} 30. Qd2 {[%emt 0:02:34]} Rf8 {[%emt 0:01:11]} 31. f3 {[%emt 0:00:46]} Qf4 {[%emt 0:00:25]} 32. Qxf4 {[%emt 0:02:11]} Rfxf4 {[%emt 0:00:06]} 33. Bd2 {[%emt 0:00:11]} Rf5 {[%emt 0:00:22]} 34. c3 {[%emt 0:00:10]} Nc5 {[%emt 0:00:52]} (34... Rxe5 $2 {loses.} 35. Rxe5 Nxe5 36. Re1 $19) (34... Nxe5 $2 35. Re3 $19) 35. Re3 {[%emt 0:00:23]} Ka6 {[%emt 0:00:55]} 36. Rb1 {[%emt 0:01:12]} Ra4 {[%emt 0:00:34]} 37. Rb2 {[%emt 0:00:08]} b5 {[%emt 0:00:25]} 38. g3 {[%emt 0:00:38]} Nb7 {[%emt 0:00:56]} 39. g4 {[%emt 0:00:50]} Rf7 {[%emt 0:00:20]} 40. Bc1 {[%emt 0:00:28]} Na5 {[%emt 0:00:28]} 41. Rf2 {[%emt 0:30:13]} Nc4 {[%emt 0:31:01]} 42. Re1 {[%emt 0:00:17]} (42. Ree2 $142) 42... Kb6 {[%emt 0:03:00]} 43. f4 {[%emt 0:00:07]} Kc6 {[%emt 0:00:27]} 44. f5 {[%emt 0:00:13]} Kd7 {[%emt 0:00:59]} 45. fxe6+ $2 {[%emt 0:01:24]} (45. Kg2) 45... Kxe6 {[%emt 0:00:06] Threatens to win with ...Rxf2.} 46. Rxf7 {[%emt 0:00:07]} Kxf7 {[%emt 0:00:03][%mdl 4096] Endgame KRB-KRN} 47. e6+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:39]} 48. Rf1 {[%emt 0:02:54]} (48. Re2 {was called for.}) 48... Rxa2 {[%emt 0:01:15] Strongly threatening ...Ra1.} 49. Bg5 {[%emt 0:00:57] And now e7 would win.} Nd6 {[%emt 0:01:22]} 50. Bf4 {[%emt 0:00:22]} Ke7 {[%emt 0:02:11]} 51. Bxd6+ {[%emt 0:00:05]} Kxd6 {[%emt 0:00:14] KR-KR} 52. Rf7 {[%emt 0:00:06]} Re2 {[%emt 0:00:16]} 53. Rd7+ {[%emt 0:01:02]} Kc6 {[%emt 0:00:00]} 54. Rxg7 {[%emt 0:00:00]} d4 {[%emt 0:00:00][%mdl 64] Deflection} 55. cxd4 {[%emt 0:00:00]} b4 {[%emt 0:00:00][%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32] ...b3 would be deadly.} 56. Kf1 {[%emt 0:00:00]} Rxe6 {[%emt 0:00:00] aiming for ...b3.} 57. d5+ {[%emt 0:00:00]} Kxd5 {[%emt 0:00:00]} 58. Rxc7 {[%emt 0:00:00]} Rb6 {[%emt 0:00:00]} (58... b3 $142 59. Rxa7 Rb6 60. Rd7+ Kc4) 59. Rxa7 {[%emt 0:00:00]} b3 {[%emt 0:00:00]} 60. Ra1 {[%emt 0:00:00]} b2 {[%emt 0:00:00]} 61. Rb1 {[%emt 0:00:00]} Rb3 $2 {[%emt 0:00:00]} (61... Kd4 {mates} 62. Ke2 Kc3 63. Ke3 Rb4 64. Rf1 b1=Q 65. Rxb1 Rxb1 66. Kf4 Rh1 67. Kg3 Kd4 68. Kg2 Rb1 69. Kf2 Rb2+ 70. Kg3 Ke3 71. g5 Rb4 72. h4 Rf4 73. h5 Rf1 74. Kg4 Ke4 75. Kg3 Rg1+ {[%mdl 64] Skewer} 76. Kf2 Rxg5 77. h6 Rg4 78. Ke2 Rg2+ 79. Ke1 Rh2 80. Kf1 Ke3 81. Kg1 Rf2 82. Kh1 Kf3 83. Kg1 Kg3 84. Kh1 Rf1#) 62. Kg2 $2 {[%emt 0:00:00]} (62. Ke1 $19 Kc4 63. Kd2) 62... Ke4 {[%emt 0:00:00] Black mates.} 63. Re1+ {[%emt 0:00:00]} Kf4 {[%emt 0:00:00]} 64. Rb1 {[%emt 0:00:00]} Kg5 {[%emt 0:00:00]} 65. Kh2 {[%emt 0:00:28]} Kh4 {[%emt 0:00:00]} 66. Kg2 {[%emt 0:00:39]} h6 {[%emt 0:00:00][%cal Bh7h6,Bh6g5,Bg5g4,Bg4g3][%mdl 32]} ({Weaker is} 66... Rxh3 67. Rxb2 Rg3+ 68. Kf1 $11) 67. Kg1 {[%emt 0:01:56]} Kxh3 {[%emt 0:00:00]} ({Inferior is} 67... Rxh3 68. Rxb2 Rg3+ 69. Kh1 $11) 68. g5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:00]} 69. Kf2 {[%emt 0:00:04]} Kg4 {[%emt 0:00:00]} 70. Ke2 {[%emt 0:00:31]} Kf4 {[%emt 0:00:00]} 71. Kd2 {[%emt 0:00:07]} g4 {[%emt 0:00:00]} 72. Kc2 {[%emt 0:00:04]} Rb8 {[%emt 0:00:00]} 73. Rf1+ {[%emt 0:00:05]} Kg3 {[%emt 0:00:00]} 74. Kb1 {[%emt 0:00:04]} Kg2 {[%emt 0:00:00]} 75. Rf7 {[%emt 0:00:06]} g3 {[%emt 0:00:00] Weighted Error Value: White=0.64/Black=0.27 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.2"]
[White "Fizer, Marek"]
[Black "Janous, Marek"]
[Result "1-0"]
[ECO "B69"]
[WhiteElo "1929"]
[BlackElo "2124"]
[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 22,129,58,43,47,57,56,43,45,15,32,30,48,14,58,47,77,33,46,0,143,135,129,135,128,101,146,123,195,198,193,191,253,243,295,338,356,121,173,188,188,182,186,198,217,213,287,293,335,345,333,335,343,329,313,295,295,294,294,294,294,277,295,297,495,480,731,724,704,649,484,71,72,38,45,32,33,32,68,68,70,68,70,70,71,70,171,175,12844,9748,29970,29971,29972,29973,29971,29972,29974,29975,29975,29976,29980,29981,29980,29981,29989,29989,29990,29991,29991,29992]} 1. e4 {[%emt 0:00:11]} c5 {[%emt 0:00:30]} 2. Nf3 {[%emt 0:00:23]} d6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:24]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:09]} Nc6 {[%emt 0:00:46]} 6. Bg5 {[%emt 0:00:23]} e6 {[%emt 0:00:07]} 7. Qd2 {[%emt 0:00:22]} a6 {[%emt 0:00:07]} 8. O-O-O {[%emt 0:00:44]} Bd7 {[%emt 0:00:05]} 9. f4 {[%emt 0:00:15]} Be7 {[%emt 0:00:06]} 10. Nf3 {[%emt 0:03:14]} b5 {[%emt 0:00:06]} 11. Bxf6 {[%emt 0:01:31]} gxf6 {[%emt 0:00:12]} 12. Kb1 {[%emt 0:02:06]} b4 {[%emt 0:15:44] B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} 13. Ne2 {[%emt 0:08:18][%cal Of4f5]} h5 {[%emt 0:01:26]} 14. Ned4 {[%emt 0:07:18]} Qb6 {[%emt 0:01:56] White is slightly better.} 15. Bc4 {[%emt 0:10:54]} Na5 {[%emt 0:31:15][%cal Bc6a5,Ba5b7,Bb7c5][%mdl 32]} 16. Bd3 {[%emt 0:05:52]} Nb7 {[%emt 0:02:00]} 17. Rhe1 {[%emt 0:05:21]} Nc5 {[%emt 0:01:35]} 18. Bc4 {[%emt 0:10:12] [#]} O-O-O $146 {[%emt 0:01:29]} ({Predecessor:} 18... Rc8 19. Nb3 Nb7 20. Qe2 a5 21. Nbd4 a4 22. Bb5 Bxb5 23. Nxb5 Qc5 24. f5 e5 {1-0 Perunovic,M (2591)-Niemann,H (2459) New York Marshall Spring GM 2020 (3)}) 19. Rc1 {[%emt 0:05:17]} Kb8 {[%emt 0:06:22]} 20. c3 {[%emt 0:01:27]} (20. f5 $14) 20... b3 {[%emt 0:03:34]} 21. Nxb3 {[%emt 0:06:00]} Bc6 {[%emt 0:03:59]} 22. Nxc5 {[%emt 0:07:23]} dxc5 {[%emt 0:00:11]} 23. Qc2 {[%emt 0:06:23]} Ka7 {[%emt 0:01:41]} 24. f5 {[%emt 0:03:14]} Bb5 {[%emt 0:05:28]} (24... exf5 $16 {keeps fighting.} 25. exf5 (25. Bxf7 Bxe4 26. Rxe4 fxe4 $11) 25... Bd6 26. Bxf7 Qb7) 25. Bxb5 $18 {[%emt 0:02:00]} axb5 {[%emt 0:00:07]} 26. e5 {[%emt 0:01:24]} Rd7 {[%emt 0:10:39]} (26... h4 {was called for.} 27. fxe6 fxe6 28. exf6 Bxf6) 27. fxe6 {[%emt 0:06:35]} Qxe6 {[%emt 0:02:46]} 28. exf6 {[%emt 0:04:37]} Qxf6 {[%emt 0:00:17]} 29. Qb3 $2 {[%emt 0:01:24] [#]} (29. c4 $18) 29... Rb7 {[%emt 0:00:48]} (29... Qf5+ $16 {was worth a try.} 30. Qc2 Qxc2+ 31. Rxc2 Bf6) 30. Rcd1 {[%emt 0:01:13]} Qg6+ {[%emt 0:05:38]} 31. Qc2 {[%emt 0:00:17]} Qxc2+ {[%emt 0:02:15]} 32. Kxc2 {[%emt 0:00:06]} Rg8 {[%emt 0:00:35]} 33. Re2 {[%emt 0:00:22]} Bf6 {[%emt 0:01:03]} 34. Rd5 {[%emt 0:00:28][%csl LRc5,LRh5]} Rc8 {[%emt 0:01:22]} 35. Rxh5 {[%emt 0:00:28]} b4 {[%emt 0:00:21]} 36. Rf5 {[%emt 0:00:32]} bxc3 {[%emt 0:01:54]} 37. bxc3 {[%emt 0:01:08]} ({Not} 37. Rxf6 Rxb2+ 38. Kxc3 Rxe2 $17) 37... Rc6 {[%emt 0:00:10]} 38. g4 {[%emt 0:00:43]} Ra6 {[%emt 0:00:05]} 39. Kd3 {[%emt 0:00:37]} (39. Rxc5 Bxc3 40. Kxc3 Ra3+ 41. Kd4 Rxf3 $18) 39... c4+ {[%emt 0:00:34]} 40. Kxc4 {[%emt 0:00:31]} Rc7+ {[%emt 0:01:07]} 41. Kd3 {[%emt 0:04:45] Threatens to win with Nd4.} ({Don't play} 41. Rc5 Ra4+ 42. Kd5 Rxc5+ 43. Kxc5 Rxg4 $18) 41... Rxc3+ {[%emt 0:00:49]} 42. Kd2 {[%emt 0:00:23]} Rxa2+ $2 {[%emt 0:05:16]} (42... Rc7 43. Ke1 Bc3+ 44. Kf2 f6) 43. Ke1 {[%emt 0:00:18]} Rxe2+ {[%emt 0:04:05]} (43... Ra6 $142 44. g5 Bh8 45. Rxf7+ Kb6) 44. Kxe2 {[%emt 0:00:08][%mdl 4096] Endgame KRB-KRN} Rc6 {[%emt 0:00:15]} 45. g5 {[%emt 0:00:39]} Bxg5 {[%emt 0:00:08]} 46. Rxf7+ $2 {[%emt 0:00:46]} ({Less strong is} 46. Nxg5 Rc2+ 47. Kd3 Rxh2 $14) (46. Rxg5 $18 {and White stays clearly on top.} Kb6 47. Rf5) 46... Ka6 {[%emt 0:02:12]} 47. Kd3 {[%emt 0:05:26]} Bd8 {[%emt 0:04:36]} 48. Ke4 {[%emt 0:10:05]} Kb6 {[%emt 0:02:25]} 49. Rd7 {[%emt 0:01:53]} Bc7 {[%emt 0:03:31]} 50. h4 {[%emt 0:02:04]} Rf6 {[%emt 0:08:41]} 51. h5 {[%emt 0:05:59]} Kc6 {[%emt 0:01:06]} 52. Rg7 {[%emt 0:00:53] Rg6 is the strong threat.} Rf4+ {[%emt 0:01:48]} 53. Ke3 {[%emt 0:00:30][%cal Og7c7] Threatening mate with Rxc7+! White is more active.} Rf8 {[%emt 0:00:52]} ({Better is} 53... Rb4 $14) 54. Nd4+ {[%emt 0:00:28][%mdl 64] [#] Deflection} Kd5 $2 {[%emt 0:01:53]} (54... Kb6 55. Rg6+ Ka5) 55. Rxc7 {[%emt 0:01:38] White wants to mate with h6. KRN-KR} Re8+ {[%emt 0:00:34]} 56. Kf4 {[%emt 0:01:02] White mates.} Re4+ {[%emt 0:00:36]} 57. Kf5 {[%emt 0:01:28]} Re5+ {[%emt 0:00:07]} 58. Kg6 {[%emt 0:00:23]} Kxd4 {[%emt 0:00:36] KR-KR} 59. h6 {[%emt 0:00:12]} Re6+ {[%emt 0:00:51]} 60. Kg7 {[%emt 0:00:24]} Ke5 {[%emt 0:00:46]} 61. h7 {[%emt 0:00:34]} Kd6 {[%emt 0:00:15]} 62. Ra7 {[%emt 0:00:36]} Re1 {[%emt 0:00:00]} 63. Ra6+ {[%emt 0:00:23]} Ke7 {[%emt 0:00:00]} 64. h8=Q {[%emt 0:00:07]} Rg1+ {[%emt 0:00:01]} 65. Rg6 {[%emt 0:00:07] Weighted Error Value: White=0.24 (precise) /Black=0.34} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.3"]
[White "Werner, Hong Quan Dan"]
[Black "Prazak, Daniel"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2085"]
[BlackElo "2064"]
[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 14,56,0,0,4,0,0,6,0,0,0,7,12,-20,-16,-16,-17,-32,-5,-39,-38,-33,-20,-47,-41,-40,-29,-52,-43,-53,-57,-120,-92,-231,-238,-443,-417,-410,-406,-595,-578,-703,-545,-1025,-999]} 1. e4 {[%emt 0:00:13]} e5 {[%emt 0:01:17]} 2. Nf3 {[%emt 0:00:20]} Nc6 {[%emt 0:00:20]} 3. Bb5 {[%emt 0:00:32]} Nf6 {[%emt 0:00:33]} 4. O-O {[%emt 0:00:20]} Nxe4 {[%emt 0:00:55]} 5. Re1 {[%emt 0:00:33]} Nd6 {[%emt 0:00:12]} 6. Nxe5 {[%emt 0:08:04]} Be7 {[%emt 0:00:51]} 7. Ba4 {[%emt 0:00:47]} Nxe5 {[%emt 0:01:10]} 8. Rxe5 {[%emt 0:01:17]} O-O {[%emt 0:00:11] C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 9. c3 {[%emt 0:03:11]} Ne8 {[%emt 0:09:33][%cal Bd6e8,Be8f6,Bf6e4][%mdl 32]} 10. d4 {[%emt 0:03:00] [#]} d5 $146 {[%emt 0:05:58] The position is equal.} ({Predecessor:} 10... Bf6 11. Re1 d5 12. Bc2 Be6 13. Bh6 Qe7 14. Na3 Bh4 15. Bf4 g6 16. Qd2 c6 {½-½ Sjoberg,V-Lundberg,F Nordiska SFB Kongress-01 Klass 02 1901 (2)}) 11. Nd2 {[%emt 0:06:16]} Bd6 {[%emt 0:05:21]} 12. Re1 {[%emt 0:00:22]} Nf6 {[%emt 0:04:26]} 13. h3 {[%emt 0:01:11]} Bf5 {[%emt 0:03:27]} 14. Nf3 {[%emt 0:01:08]} Ne4 {[%emt 0:06:09]} 15. Bc2 {[%emt 0:00:22][%cal Oc3c4]} Qf6 {[%emt 0:02:19]} 16. Be3 {[%emt 0:08:18][%cal Of3e5]} Rfe8 {[%emt 0:03:53]} 17. Nd2 {[%emt 0:02:17]} c6 {[%emt 0:03:30]} 18. Nf1 {[%emt 0:03:55]} Qg6 {[%emt 0:08:03]} 19. Qf3 {[%emt 0:01:22]} Bd7 {[%emt 0:07:35]} 20. Bf4 {[%emt 0:01:27]} Ng5 {[%emt 0:02:14][%mdl 64] [#] Discovered Attack} 21. Bxg5 {[%emt 0:05:10]} Qxc2 {[%emt 0:01:08]} 22. Reb1 {[%emt 0:11:46] White is weak on the light squares} ({Better is} 22. Bf4 $15 Bf8 23. Red1) 22... Qg6 {[%emt 0:02:35] Black has more active pieces. The white rooks are badly placed.} 23. Bh4 {[%emt 0:01:50] [#] Loses the game.} (23. Bd2 $17) 23... f5 $1 $19 {[%emt 0:07:57][%cal Bf7f5,Bf5f4][%mdl 32] aiming for ...f4.} 24. Qd3 $2 {[%emt 0:11:14]} (24. Bg3 f4 25. Bh2) 24... Qh5 {[%emt 0:01:41]} 25. Bg3 {[%emt 0:00:21]} f4 {[%emt 0:00:09] Hoping for ...Bf5.} 26. Bh2 {[%emt 0:00:07]} (26. Re1 $142 fxg3 27. Nxg3) 26... Bf5 {[%emt 0:00:33] Black is clearly winning.} 27. Qd1 {[%emt 0:00:38]} Qg6 {[%emt 0:00:08]} 28. f3 {[%emt 0:11:31]} Bc2 {[%emt 0:01:00][%mdl 64] Deflection.   Weighted Error Value: White=0.65/Black=0.13 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.4"]
[White "Seidl, Jan"]
[Black "Kubin, Tomas Daniel"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2025"]
[BlackElo "1936"]
[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 19,79,11,14,16,14,15,6,5,29,30,0,0,10,10,39,36,79,37,33,40,39,41,45,42,60,47,100,39,76,48,57,41,106,71,80,17,82,78,96,90,93,78,78,78,77,75,102,91,76,69,119,70,129,110,470,420,724,716,1403,1352,29988,29989]} 1. c4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:49]} g6 {[%emt 0:00:50]} 3. g3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:51]} 4. Bg2 {[%emt 0:00:24]} d5 {[%emt 0:01:48]} 5. cxd5 {[%emt 0:00:07]} Nxd5 {[%emt 0:00:26]} 6. d4 {[%emt 0:01:35]} O-O {[%emt 0:02:23]} 7. O-O {[%emt 0:02:32]} c5 {[%emt 0:06:21]} 8. Nc3 {[%emt 0:03:38]} cxd4 {[%emt 0:06:06]} 9. Nxd4 {[%emt 0:00:32]} Nxc3 {[%emt 0:00:28]} 10. bxc3 {[%emt 0:00:06]} Qc7 {[%emt 0:02:00]} 11. Qb3 {[%emt 0:03:42] D75: Fianchetto Grünfeld: Main Line with 7...c5.} Nc6 {[%emt 0:05:01]} 12. Nxc6 {[%emt 0:09:09]} bxc6 {[%emt 0:00:08]} 13. Bf4 {[%emt 0:01:11] The position is equal.} e5 {[%emt 0:06:13]} 14. Be3 {[%emt 0:00:10]} Be6 {[%emt 0:03:28]} 15. c4 {[%emt 0:01:51]} Rab8 {[%emt 0:07:05]} 16. Qa4 {[%emt 0:00:24][%csl LRa7,LRc6]} c5 {[%emt 0:00:20]} 17. Rab1 {[%emt 0:03:03] [#] Wards off Rb4} Bf5 $146 {[%emt 0:05:16]} ({Predecessor:} 17... Rfd8 18. h4 h5 19. Rxb8 Rxb8 20. Bd5 Bd7 21. Qa3 Bf8 22. Rd1 Bf5 23. Bd2 Rb1 24. Rxb1 Bxb1 25. e4 Bc2 26. Bc3 Bd6 27. Qc1 Ba4 28. Qh6 {1-0 Goluch,P (2333)-Majocha,P (1919) Lazy Baltic Pearl op-A 17th 2021 (9)}) 18. Rxb8 {[%emt 0:04:34]} Rxb8 {[%emt 0:00:06]} 19. Bd5 {[%emt 0:01:06]} Bd7 {[%emt 0:04:51]} 20. Qa3 {[%emt 0:03:14]} Bf8 {[%emt 0:02:13]} 21. Bd2 {[%emt 0:01:01]} Qb6 {[%emt 0:06:58]} 22. Bc3 {[%emt 0:00:40]} Bd6 {[%emt 0:00:51]} ({Better is} 22... Qc7 $14) 23. e4 {[%emt 0:01:17]} (23. Ba5 $16 Qa6 24. Qf3) 23... Bc6 {[%emt 0:05:17]} 24. Rc1 {[%emt 0:07:35]} Bxd5 {[%emt 0:03:50]} 25. cxd5 {[%emt 0:00:21]} f5 {[%emt 0:01:14]} (25... Qb5 $14) 26. Qa4 {[%emt 0:03:18]} Rf8 {[%emt 0:04:31][%cal Oc5c4]} 27. Qd7 {[%emt 0:04:06]} (27. exf5 $16 gxf5 28. Qd7) 27... Bc7 {[%emt 0:03:01]} (27... fxe4 $11 28. Qe6+ Rf7) 28. Bd2 {[%emt 0:02:30] [#] And now Bh6 would win.} Qd6 {[%emt 0:01:30]} 29. Qa4 {[%emt 0:07:57] White is much more active.} Bb6 {[%emt 0:03:34]} 30. Qc4 {[%emt 0:02:41]} fxe4 {[%emt 0:01:17]} 31. Be3 {[%emt 0:05:47]} Rd8 {[%emt 0:01:09]} 32. Rd1 {[%emt 0:00:05][%cal Oa2a4][%mdl 1024] White has strong compensation.} ({Much worse is} 32. Bxc5 Qxd5 33. Qxd5+ Rxd5 34. Bxb6 axb6 $11) 32... Kg7 {[%emt 0:02:13]} 33. a4 {[%emt 0:01:42]} Rc8 {[%emt 0:01:18]} 34. Bd2 {[%emt 0:00:55]} ({But not} 34. Qxe4 c4 $11) 34... Rb8 {[%emt 0:04:12]} (34... Rf8 $14) 35. Bc3 {[%emt 0:00:38]} (35. Qxe4 $16 {Bc3 is the strong threat.} Kg8 36. Bc3) 35... Bc7 {[%emt 0:02:06]} ({Black should try} 35... Bd8 $14) 36. Qxe4 $16 {[%emt 0:00:37] Threatens to win with f4.} Rb3 $2 {[%emt 0:01:34][%mdl 8192] This move loses the game for Black.} (36... Kg8 $16 {is more resistant.}) 37. Qc4 $18 {[%emt 0:01:00]} Rb8 {[%emt 0:01:31]} (37... Rb4 $142 38. Bxb4 cxb4) 38. f4 {[%emt 0:00:32][%cal Bf2f4,Bf4e5][%mdl 32]} Qe7 {[%emt 0:04:08] [#]} 39. d6 $1 {[%emt 0:05:19][%mdl 576] Deflection, Double Attack} Qd7 {[%emt 0:01:23]} (39... Bxd6 40. Rxd6) 40. fxe5 {[%emt 0:00:19] Weighted Error Value: White=0.13 (very precise) /Black=0.62} ({Weaker is} 40. dxc7 Qxd1+ 41. Kg2 Rc8 $16) 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.5"]
[White "Dolensky, Filip"]
[Black "Vilimek, Vit"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2108"]
[BlackElo "2018"]
[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 12,95,27,25,43,42,40,26,43,32,34,23,44,56,71,66,76,70,66,66,90,94,95,107,165,168,169,171,277,8,188,191,177,166,270,268,235,231,418,416,385,391,396,367,453,447,445,441,340,272,437,434,539,539,544,527,517,440,437,402,414,389,425,419,411,427,438,435,551,357,435,431,424,423,423,404,794,679,29968,29968,29969,2631,29987,29985,29984,29985]} 1. e4 {[%emt 0:00:03][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:11]} Nc6 {[%emt 0:00:08]} 3. c3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:06]} 4. e5 {[%emt 0:00:06]} Nd5 {[%emt 0:00:03]} 5. Bc4 {[%emt 0:00:52][%cal Bf1c4,Bc4b3,Bb3c2][%mdl 32]} Nb6 {[%emt 0:00:05]} 6. Bb3 {[%emt 0:00:05]} c4 {[%emt 0:00:08]} 7. Bc2 {[%emt 0:00:05]} Qc7 {[%emt 0:00:04] 7...d6 is a critical line. B22: Sicilian: 2 c3.} 8. O-O {[%emt 0:00:27]} Nxe5 {[%emt 0:06:54]} 9. Nxe5 {[%emt 0:00:34]} Qxe5 {[%emt 0:00:02] White has an edge.} 10. Re1 {[%emt 0:00:15]} Qc7 {[%emt 0:02:01]} 11. a4 {[%emt 0:00:19][%mdl 1024] White has compensation. 11.d3 is vanishing.} d5 {[%emt 0:02:18]} 12. Na3 {[%emt 0:02:55] Strongly threatening a5.} a6 {[%emt 0:07:31] [#]} 13. Qf3 $146 {[%emt 0:04:13] Black must now prevent a5.} ({Predecessor:} 13. a5 Nd7 14. d3 e6 15. dxc4 dxc4 16. Qd4 Qxa5 17. Be3 Qc7 18. Nb5 Qc6 19. Ra5 {1-0 Jones,G (2667)-Rowson,J (2565) GBR-ch KO London 2016 (1.1)}) 13... Be6 {[%emt 0:14:19]} 14. d4 {[%emt 0:08:36]} Nd7 {[%emt 0:08:10]} 15. Bf4 {[%emt 0:02:02]} Qc6 {[%emt 0:06:01]} 16. a5 {[%emt 0:04:13] White is much more active. The black rooks are badly placed.} g6 {[%emt 0:07:50]} 17. b3 {[%emt 0:10:48]} cxb3 {[%emt 0:05:19]} (17... Bg7 $16) 18. Bxb3 $18 {[%emt 0:00:07] aiming for Nc2.} Bg7 {[%emt 0:03:28] [#]} 19. Nc2 $1 {[%emt 0:17:09][%cal Ba3c2,Bc2b4,Bb4d5,Bd5e7][%mdl 32] Nb4 would be deadly.} Rc8 {[%emt 0:15:19] [#]} (19... O-O {was called for.}) 20. Bd2 $2 {[%emt 0:00:46]} (20. Nb4 $1 $18 {[%cal Rb4c6]} Qb5 21. Bxd5) 20... Qb5 {[%emt 0:05:55] Black cannot hold the game after this.} (20... Qc7 $11) 21. Nb4 {[%emt 0:04:12] And now Ba4 would win.} O-O {[%emt 0:11:41]} 22. Bxd5 {[%emt 0:02:11]} Bxd5 {[%emt 0:02:50]} (22... Rc7 $142 23. h4 Nf6 24. Bxe6 fxe6) 23. Nxd5 {[%emt 0:03:26]} Kh8 {[%emt 0:00:48]} 24. Rab1 {[%emt 0:05:29][%cal Ba1b1,Bb1b7,Bb7b6][%mdl 32]} (24. Rxe7 Rcd8 25. Bf4 (25. Rxf7 Rxf7 26. Qxf7 Ne5 $16) 25... Nb8) 24... Qc6 {[%emt 0:00:22]} (24... Qxa5 25. Rxb7 (25. Rxe7 Qa2 $16) (25. Nxe7 Rb8 $18) 25... Nf6) 25. Nxe7 {[%emt 0:00:29][%mdl 64] Discovered Attack} ({Weaker is} 25. Rxe7 Rce8 26. Bg5 (26. Rxf7 Rxf7 27. Qxf7 Rf8 $15) 26... f6 $18) 25... Qxf3 {[%emt 0:00:07]} 26. gxf3 {[%emt 0:00:04]} Rc4 {[%emt 0:01:07] Black is weak on the dark squares} 27. Nd5 {[%emt 0:01:10]} Ra4 {[%emt 0:00:38]} 28. Rxb7 {[%emt 0:00:14]} Nf6 {[%emt 0:00:27]} 29. Nxf6 {[%emt 0:00:09]} Bxf6 {[%emt 0:00:03]} 30. Rb6 {[%emt 0:00:20][%csl LRa6,LRf6]} Bh4 {[%emt 0:01:02]} (30... Kg7 31. Rxa6 Rd8) 31. Re4 {[%emt 0:02:00]} ({But not} 31. Rxa6 Kg7 32. Re4 Bd8 $18) 31... Ra1+ {[%emt 0:00:32]} 32. Kg2 {[%emt 0:00:20]} Bd8 {[%emt 0:00:30]} 33. Rxa6 {[%emt 0:01:28]} Rxa5 {[%emt 0:00:29]} 34. Rxa5 {[%emt 0:00:12]} Bxa5 {[%emt 0:00:01][%mdl 4096] Endgame KRB-KRB} 35. Re5 {[%emt 0:00:44]} Ra8 {[%emt 0:00:15]} 36. Rc5 {[%emt 0:00:31]} Kg7 {[%emt 0:00:18]} 37. Be3 {[%emt 0:00:28]} Kf6 {[%emt 0:00:26]} 38. c4 {[%emt 0:00:31]} Ke6 {[%emt 0:00:36]} 39. Rb5 {[%emt 0:00:29]} h5 {[%emt 0:00:46]} 40. Re5+ {[%emt 0:01:02]} Kd6 {[%emt 0:00:39]} 41. Bf4 {[%emt 0:30:59]} Kd7 {[%emt 0:30:06]} 42. Rb5 {[%emt 0:00:57]} Ra7 {[%emt 0:00:58]} 43. d5 {[%emt 0:01:28][%cal Bd4d5,Bd5d6][%mdl 32]} Ke7 {[%emt 0:01:02]} (43... Bc7 $142 44. Be3 Ra3) 44. c5 {[%emt 0:00:20][%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Bc3 {[%emt 0:00:29]} 45. c6 {[%emt 0:00:22]} Ra4 {[%emt 0:00:28]} 46. Rc5 {[%emt 0:02:25]} (46. Rb7+ $142 Kf6 47. c7 Ra8 48. Rb8 Rxb8 49. cxb8=Q Kg7 50. Be5+ Bxe5 51. Qxe5+ f6 52. Qe7+ {[%mdl 64] Overworked Piece} Kh6 53. d6) 46... Kd8 {[%emt 0:00:00]} 47. c7+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 48. d6 {[%emt 0:00:00] Weighted Error Value: White=0.27 (precise) /Black=0.70} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.6"]
[White "Mametev, Artem"]
[Black "Davidek, Zdenek"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2074"]
[BlackElo "1957"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 32,91,20,18,22,20,24,22,20,29,12,0,43,14,39,31,50,40,59,40,102,-73,849,843,743,402,668,675,626,248,235,214,931,914,1154,821,1157,1108,1020,680,669,664,783,572,647,535,525,423,430,411,751,741,1001,982,1370,1340,1279,1182,29989,29990,29990,29991]} 1. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:03]} 3. Bb5 {[%emt 0:00:03]} a6 {[%emt 0:00:04]} 4. Ba4 {[%emt 0:00:03]} Nf6 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:06]} Be7 {[%emt 0:00:03]} 6. Re1 {[%emt 0:00:04]} b5 {[%emt 0:00:05]} 7. Bb3 {[%emt 0:00:03]} d6 {[%emt 0:00:05]} 8. c3 {[%emt 0:00:27]} O-O {[%emt 0:00:06]} 9. h3 {[%emt 0:00:02]} Nb8 {[%emt 0:00:24]} 10. d4 {[%emt 0:00:37]} Nbd7 {[%emt 0:00:06]} 11. Nbd2 {[%emt 0:01:28][%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bb7 {[%emt 0:00:11]} 12. Bc2 {[%emt 0:00:42]} Re8 {[%emt 0:00:57]} 13. Nf1 {[%emt 0:00:28]} Bf8 {[%emt 0:00:05]} 14. Ng3 {[%emt 0:00:09]} g6 {[%emt 0:00:13]} 15. a4 {[%emt 0:01:11]} c5 {[%emt 0:00:51] 15...Bg7 injects fresh life into this line.} 16. d5 {[%emt 0:00:16]} c4 {[%emt 0:00:49]} 17. Bg5 {[%emt 0:00:12]} Nc5 {[%emt 0:15:11] C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} 18. Qd2 {[%emt 0:01:22]} Be7 {[%emt 0:00:31]} 19. Be3 {[%emt 0:17:19]} Nfd7 {[%emt 0:05:00] The position is equal.} 20. Nh2 {[%emt 0:02:12]} h5 {[%emt 0:19:54]} 21. Rf1 {[%emt 0:02:57] [#]} Nf6 $146 {[%emt 0:11:59]} ({Predecessor:} 21... Bf6 22. f4 exf4 23. Rxf4 Be5 24. Raf1 Bxf4 25. Bxf4 h4 26. Ng4 hxg3 27. Bxd6 f6 {1-0 Preotu,R (2495)-Lesiege,A (2521) PRO League Atlantic rapid 2017 (2)}) 22. f3 {[%emt 0:05:14]} Qc7 {[%emt 0:07:58]} 23. Bg5 {[%emt 0:05:51]} Nh7 {[%emt 0:06:29]} 24. Bxe7 {[%emt 0:01:10]} Qxe7 {[%emt 0:00:03]} 25. f4 $1 {[%emt 0:16:05]} h4 {[%emt 0:14:15] [#]} (25... bxa4 $14 26. f5 Rf8) 26. fxe5 $2 {[%emt 0:18:56]} Qxe5 $2 {[%emt 0:08:23][%mdl 8192] Black cannot hold the game after this.} (26... hxg3 $17 27. Ng4 Rf8 28. exd6 Qxd6) 27. Ng4 $18 {[%emt 0:01:13]} Qxg3 {[%emt 0:01:57]} 28. Rf3 {[%emt 0:00:18]} Nxe4 {[%emt 0:00:52]} (28... Qxf3 $142 29. gxf3 Bc8 30. Nh6+ Kg7) 29. Bxe4 {[%emt 0:00:07]} Rxe4 {[%emt 0:00:09]} 30. Rxg3 {[%emt 0:01:51]} (30. Nh6+ Kg7 31. Nxf7 Qxf3 32. gxf3) 30... hxg3 {[%emt 0:00:02]} 31. Rf1 {[%emt 0:01:43] aiming for Nh6+.} f5 $2 {[%emt 0:01:00] [#]} (31... Rf8 32. Rf4 (32. Nh6+ Kg7 $14) 32... Rxf4 33. Qxf4 f5) 32. Qh6 $1 {[%emt 0:00:30]} Rf8 {[%emt 0:02:37]} (32... Kh8 33. Nf6) 33. Qxg6+ {[%emt 0:00:46]} Kh8 {[%emt 0:00:01]} 34. Nh6 {[%emt 0:01:00]} (34. Rxf5 $2 {is a self mate.} Re1+) 34... Bxd5 {[%emt 0:00:36]} 35. Qxd6 {[%emt 0:01:19]} Be6 {[%emt 0:00:42]} 36. Qxg3 Rf6 {[%emt 0:02:37]} 37. Qb8+ {[%emt 0:07:30]} Kg7 {[%emt 0:00:19] [#]} 38. Ng4 {[%emt 0:01:09][%mdl 512]} Rf8 {[%emt 0:00:54]} 39. Qb7+ {[%emt 0:01:17]} Rf7 {[%emt 0:00:09]} 40. Qc6 {[%emt 0:00:19]} ({Less strong is} 40. Qxa6 fxg4 41. a5 (41. Qxb5 Rxf1+ 42. Kxf1 Nf6 $16) (41. axb5 Rd7 $16) 41... Rxf1+ 42. Kxf1 Nf6 $16) 40... Re2 {[%emt 0:01:14]} (40... bxa4 $142 41. Nh2 Ng5 42. Qxa4 Rf6) 41. Qf3 {[%emt 0:32:44]} Rxb2 {[%emt 0:04:15]} 42. Ne5 {[%emt 0:00:00] And now Qg3+ would win.} Rf6 {[%emt 0:00:22]} 43. Qg3+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:57]} 44. Rd1 {[%emt 0:00:00] White wants to mate with Rd8+.} Ke8 {[%emt 0:01:44] Prevents Rd8+.} 45. Qg7 {[%emt 0:00:00]} Re2 {[%emt 0:02:23]} 46. Qc7 {[%emt 0:00:00] Weighted Error Value: White=1.08/Black=0.64} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.7"]
[White "Pelc, Adam"]
[Black "Hladky, Tadeas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1871"]
[BlackElo "1973"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 11,80,40,39,0,0,-4,25,17,20,7,3,0,0,0,0,0,0,0,0,7,4,-15,-16,-13,-1,-16,-21,-24,-20,-16,-9,-16,-21,-69,-78,-118,-9,-9,-19,-18,0,0,0,0,0,0,0,-109,-109,-116,-101,-116,-102,-685,-436,-856,-834,-799,-739,-29968,-29969,-29971,-29972,-29966,-29966,-29963,-29960,-29962,-29963,-29978,-29979]} 1. Nf3 {[%emt 0:00:08]} d5 {[%emt 0:00:06]} 2. g3 {[%emt 0:00:31]} Nf6 {[%emt 0:00:07]} 3. Bg2 {[%emt 0:01:31]} Bf5 {[%emt 0:00:08]} 4. d4 {[%emt 0:03:06]} e6 {[%emt 0:00:13]} 5. O-O {[%emt 0:08:04]} Bd6 {[%emt 0:02:00]} 6. c4 {[%emt 0:02:00]} c6 {[%emt 0:00:14]} (6... dxc4 7. Nfd2 $16) 7. cxd5 {[%emt 0:06:25] D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} cxd5 {[%emt 0:00:32]} 8. Nc3 {[%emt 0:00:45]} a6 {[%emt 0:07:35] [#]} 9. Ne5 $146 {[%emt 0:11:10] White has an edge.} ({Predecessor:} 9. Re1 O-O 10. Bg5 h6 11. e4 dxe4 12. Bxf6 Qxf6 13. Nxe4 Bxe4 14. Rxe4 Nc6 15. Qb3 {1-0 Marin Campos,D (1471)-Moreno Hernandez,A (1601) Bucaramanga Meneses Memorial 2022 (5)}) 9... O-O {[%emt 0:03:02]} 10. Bg5 {[%emt 0:03:23][%cal Oe2e4]} h6 {[%emt 0:11:16]} 11. Bxf6 {[%emt 0:10:34]} Qxf6 {[%emt 0:00:18]} 12. f4 {[%emt 0:01:22]} Qe7 {[%emt 0:04:29]} 13. e4 {[%emt 0:06:01]} dxe4 {[%emt 0:00:59]} 14. Nxe4 {[%emt 0:00:31]} Nd7 {[%emt 0:01:38]} 15. Nxd6 {[%emt 0:18:11]} Qxd6 {[%emt 0:00:04]} 16. Nxd7 {[%emt 0:02:07]} (16. Nc4 $5 {[%cal Rc4d6]} Qc7 17. Rc1 $11) 16... Qxd7 {[%emt 0:00:05]} 17. Rf2 {[%emt 0:00:04]} Rfd8 {[%emt 0:03:03]} 18. Rc1 {[%emt 0:02:22]} Rac8 {[%emt 0:01:34]} 19. Rxc8 {[%emt 0:01:28]} Qxc8 {[%emt 0:01:16]} 20. Rd2 {[%emt 0:00:53]} b6 {[%emt 0:01:34]} 21. g4 {[%emt 0:03:05]} Bh7 {[%emt 0:02:35]} 22. d5 {[%emt 0:06:25]} (22. Qe1 $11) 22... Qc5+ $15 {[%emt 0:00:38]} 23. Kh1 {[%emt 0:01:51]} exd5 {[%emt 0:00:20] Black is more active.} (23... Qb4 $17 24. d6 Be4) 24. Rxd5 $11 {[%emt 0:00:53]} Rxd5 {[%emt 0:01:28]} 25. Bxd5 $17 {[%emt 0:00:09][%mdl 4096] Endgame KQB-KQB} Bc2 {[%emt 0:10:31]} (25... h5 $5) 26. Qd2 {[%emt 0:00:10]} Qb5 {[%emt 0:00:59][%cal Rb5f1] [#]} 27. Kg1 {[%emt 0:03:50] Against Qf1+} ({But not} 27. Bxf7+ $2 Kxf7 28. Kg1 Qxb2 $19) 27... Qxb2 {[%emt 0:00:38]} 28. Kf2 $1 {[%emt 0:00:18][%cal Od5b3] Bb3! is the strong threat.} Qb1 {[%emt 0:01:29] Against Bb3} 29. Bc4 {[%emt 0:00:35] [#]} (29. Qe2 $11 Kh7 30. Qe8) 29... Qd1 $1 {[%emt 0:00:52]} ({Much worse is} 29... Qh1 $6 30. Qd8+ Kh7 31. Bxf7 Qxh2+ 32. Kf3 Qh1+ 33. Kf2 Qh2+ 34. Kf3 Qh3+ 35. Kf2 Qh2+ $11) 30. Qe3 {[%emt 0:04:45]} Ba4 {[%emt 0:03:58] Against Qe8+} 31. Be2 {[%emt 0:02:03]} Qc2 {[%emt 0:00:32]} 32. Qxb6 $2 {[%emt 0:00:17][%mdl 8192] White does not recover from this.} (32. Qd3 $17) 32... Bb5 $19 {[%emt 0:01:13]} ({Inferior is} 32... Qxa2 33. Qd8+ Kh7 34. Qd3+ g6 35. Qxa6 $11) 33. Qb8+ {[%emt 0:00:24]} (33. Qe3 $142 Qxa2 34. f5) 33... Kh7 {[%emt 0:00:06]} 34. Qe5 {[%emt 0:01:34]} Qxa2 {[%emt 0:00:06]} 35. Qf5+ {[%emt 0:00:07]} g6 {[%emt 0:00:04] Black mates.} 36. Qe4 {[%emt 0:00:32]} Qxe2+ {[%emt 0:00:06]} 37. Qxe2 {[%emt 0:00:06]} Bxe2 {[%emt 0:00:04]} 38. Kxe2 {[%emt 0:00:06]} Kg7 {[%emt 0:00:33]} 39. Kd3 {[%emt 0:00:04]} Kf6 {[%emt 0:00:05]} 40. h4 {[%emt 0:00:07]} h5 {[%emt 0:00:05] Weighted Error Value: White=0.61/Black=0.09 (flawless)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.8"]
[White "Simunek, Jakub Simon"]
[Black "Tesar, Jakub"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1970"]
[BlackElo "1960"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,139,0,-7,-14,-14,-33,-20,-37,-41,-26,-26,-30,7,0,24,31,16,0,22,-6,0,0,0,0,0,0,0,0,-12,-10,8,0,0,0,0,0,119,51,532,526,511,505,480,353,341,326,331,212,205,208,170,221,199,191,187,98,98,90,141,100,113,106,258,258,258,258,276,276,276,276,276,276,276,276,290,276,523,523,518,448,522,444,483,294,311,311,311,250,250,250,250,227,11515,7794,1839,1462,6056,4943,1832,266,745,767,758,266,511,441,266,266,266,266,204,204,29975,29976,29976,29976,29977,29978,29978,29979,29979,29980,29978,29978,29971,29968,29980,29980]} 1. e4 {[%emt 0:00:17]} e6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:13]} d5 {[%emt 0:00:06]} 3. Nd2 {[%emt 0:00:22]} c5 {[%emt 0:00:09]} 4. Ngf3 {[%emt 0:00:48]} cxd4 {[%emt 0:00:30]} 5. Nxd4 {[%emt 0:02:13]} Nf6 {[%emt 0:03:50]} 6. e5 {[%emt 0:06:08]} Nfd7 {[%emt 0:00:30]} 7. N2f3 {[%emt 0:00:50]} Nc6 {[%emt 0:08:48]} 8. Nxc6 {[%emt 0:00:30] The old main line. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} bxc6 {[%emt 0:00:05]} 9. c3 {[%emt 0:00:18]} (9. Bd3 $5) 9... Qb6 {[%emt 0:07:45]} 10. Bd3 {[%emt 0:06:38] [#] The position is equal.} a5 $146 {[%emt 0:19:49]} ({Predecessor:} 10... Ba6 11. O-O Bxd3 12. Qxd3 Be7 13. Qc2 O-O 14. c4 f6 15. Be3 Qb7 16. exf6 Bxf6 {0-1 Avellan,G (2109)-Fernandez Medina,E CADAP Cand and Maestro 20-1 email 2007}) 11. O-O {[%emt 0:00:58]} Ba6 {[%emt 0:02:24] Inhibits c4.} 12. b3 {[%emt 0:20:39]} Rb8 {[%emt 0:17:24]} 13. c4 {[%emt 0:12:45]} dxc4 {[%emt 0:10:13]} 14. bxc4 {[%emt 0:00:36]} Qc7 {[%emt 0:01:18]} 15. Be3 {[%emt 0:19:46]} Bc5 {[%emt 0:06:37]} 16. Re1 {[%emt 0:03:05]} Bb4 {[%emt 0:01:34]} 17. Bd2 {[%emt 0:12:13]} h6 {[%emt 0:00:24]} 18. a3 {[%emt 0:00:45]} Bxd2 {[%emt 0:00:19]} 19. Qxd2 {[%emt 0:00:05]} O-O {[%emt 0:00:32]} 20. Qe3 {[%emt 0:01:23]} Rfd8 {[%emt 0:05:20]} 21. Rad1 {[%emt 0:02:29]} Rb2 {[%emt 0:03:50]} 22. Qe4 {[%emt 0:04:32] Qh7+ is the strong threat.} Nf8 {[%emt 0:00:34] Inhibits Qh7+.} 23. Rb1 $36 {[%emt 0:01:28][%mdl 2048] White has the initiative.} Ra2 {[%emt 0:01:50]} 24. Qe3 {[%emt 0:01:55]} Kh8 {[%emt 0:00:59] [#]} (24... a4 $11) 25. Bf1 {[%emt 0:01:22]} (25. Be4 $1 $16) 25... c5 $2 {[%emt 0:01:50][%mdl 8192]} ({Better is} 25... a4 $1 $14) 26. Qb3 $18 {[%emt 0:00:20]} Rdd2 {[%emt 0:00:25]} 27. Nxd2 {[%emt 0:00:04]} Rxd2 {[%emt 0:00:07]} 28. Qe3 {[%emt 0:00:21]} Rd4 {[%emt 0:00:44]} 29. Rec1 {[%emt 0:00:38]} Ng6 {[%emt 0:00:22][%cal Bf8g6,Bg6e5,Be5c4][%mdl 32]} 30. Qb3 {[%emt 0:01:03] Qb8+ would be deadly.} Nxe5 {[%emt 0:01:33] [#]} 31. Qb8+ $1 {[%emt 0:00:13]} Qxb8 {[%emt 0:00:07]} 32. Rxb8+ {[%emt 0:00:03]} Kh7 {[%emt 0:00:06]} 33. Ra8 {[%emt 0:00:22]} Bxc4 {[%emt 0:02:50]} 34. Bxc4 {[%emt 0:01:15]} (34. Rxa5 $18 Bxf1 35. Kxf1) 34... Nxc4 {[%emt 0:02:03][%mdl 4096] Endgame KRR-KRN} 35. Rc8 {[%emt 0:00:22]} Rd5 {[%emt 0:01:28]} 36. Kf1 {[%emt 0:00:37]} (36. Rxc4 $2 Rd1#) 36... Nxa3 {[%emt 0:00:58]} 37. R8xc5 {[%emt 0:00:15]} Nb5 $2 {[%emt 0:00:32]} (37... Rd4 $16) 38. Rxd5 {[%emt 0:00:54][%mdl 64] Remove Defender} exd5 {[%emt 0:00:05] KR-KN} 39. Rc5 {[%emt 0:00:05][%csl LRb5,LRd5]} Nd6 {[%emt 0:01:09]} 40. Rxa5 {[%emt 0:00:17]} d4 {[%emt 0:00:29]} 41. Rd5 {[%emt 0:30:06]} Ne4 {[%emt 0:30:16]} 42. Rxd4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:42]} 43. Ke2 {[%emt 0:00:00]} Kg6 {[%emt 0:00:00]} 44. h3 {[%emt 0:00:00]} h5 $2 {[%emt 0:00:00]} (44... Kf5 45. f4 g6) 45. Ra4 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 46. Kf3 {[%emt 0:00:00]} Nc7 {[%emt 0:00:00]} 47. Ra5 {[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 48. Ra6 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 49. g4+ {[%emt 0:00:00]} hxg4+ {[%emt 0:00:00]} 50. hxg4+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:00]} 51. Kg3 {[%emt 0:00:00] Strongly threatening f4.} Ke5 {[%emt 0:00:00]} 52. Ra5+ {[%emt 0:00:00]} Ke4 $2 {[%emt 0:00:00]} (52... Kf6 53. Kf3 Ng5+ 54. Ke3 Ne6 55. Rf5+ Ke7) 53. f3+ {[%emt 0:00:00]} Kd4 {[%emt 0:00:00]} 54. Ra7 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 55. f4 {[%emt 0:00:00] Re7 would kill now.} g5 {[%emt 0:01:22]} 56. f5 $2 {[%emt 0:00:37]} (56. fxg5 {White wants to mate with g6.} fxg5 57. Kf3) 56... Nc5 $2 {[%emt 0:01:37]} (56... Nf4 57. Ra1 Nd5) 57. Kf3 {[%emt 0:02:29]} Nb3 {[%emt 0:02:29]} 58. Rd7+ $2 {[%emt 0:00:30]} (58. Ra4+ Kd5 59. Ke3) 58... Ke5 {[%emt 0:00:24]} 59. Re7+ {[%emt 0:00:54]} Kd5 {[%emt 0:00:31]} 60. Ke3 {[%emt 0:00:20] Threatening mate with Rd7+.} Nc5 {[%emt 0:00:19] Inhibits Rd7+.} 61. Ra7 {[%emt 0:00:46]} Ke5 {[%emt 0:01:46]} 62. Rf7 {[%emt 0:00:29]} Na6 $2 {[%emt 0:01:44]} (62... Nd7 $18 63. Kf3 Nc5) 63. Re7+ {[%emt 0:00:09] White mates.} Kd5 {[%emt 0:00:04]} 64. Re6 {[%emt 0:00:10]} Nb4 {[%emt 0:00:46]} 65. Rxf6 {[%emt 0:00:30]} Nc2+ {[%emt 0:00:16]} 66. Kd3 {[%emt 0:01:37]} Ne1+ {[%emt 0:00:42]} 67. Ke2 {[%emt 0:00:11]} Ng2 {[%emt 0:00:17]} 68. Kf2 {[%emt 0:00:17]} Nf4 {[%emt 0:00:14]} 69. Kf3 {[%emt 0:00:09]} Ke5 {[%emt 0:00:23]} 70. Ra6 {[%emt 0:00:20] Weighted Error Value: White=0.43/Black=0.35} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.9"]
[White "Svoboda, Daniel"]
[Black "Tillmann, Stanislav"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1748"]
[BlackElo "1907"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 14,120,0,4,4,-47,-43,-54,-45,-35,-43,-87,26,27,27,24,30,27,110,115,121,120,285,279,268,260,270,189,202,186,189,197,222,225,212,222,232,206,228,137,141,136,136,141,146,122,192,178,198,97,96,96,87,99,104,37,57,5,5,-31,-31,-58,-65,-77,-82,-148,-133,-162,-145,-213,-206,-222,-222,-218,-221,-197,-203,-207,-174,-331,-324,-356,-120,-89,-126,-112,-10,-10,-10,-10,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-8,0,-8,-8,-5057,-1872,-29985,-29986]} 1. e4 {[%emt 0:00:10][%cal Be2e4,Be4e5][%mdl 32]} c5 {[%emt 0:00:05]} 2. c3 {[%emt 0:00:25]} Nf6 {[%emt 0:00:21]} 3. e5 {[%emt 0:00:14]} Nd5 {[%emt 0:00:07]} 4. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:17]} 5. cxd4 {[%emt 0:00:11]} d6 {[%emt 0:00:13]} 6. Nf3 {[%emt 0:00:48]} dxe5 {[%emt 0:00:27]} 7. dxe5 {[%emt 0:05:07]} Nc6 {[%emt 0:00:54]} 8. Bc4 {[%emt 0:02:06]} Be6 {[%emt 0:00:38][%cal Od5e3] B22: Sicilian: 2 c3.} (8... Ndb4 {simplifies} 9. Qxd8+ Nxd8 10. Na3 Bg4) 9. Ng5 {[%emt 0:14:41] [#]} (9. O-O $11) 9... Ne3 $146 {[%emt 0:02:25][%csl Ge3][%cal Rd8d1][%mdl 64] Discovered Attack, Double Attack} ({Predecessor:} 9... Nxe5 10. Nxe6 fxe6 11. Qa4+ Nc6 12. Bb5 Qd6 13. O-O g6 14. Nc3 Nxc3 15. bxc3 Bg7 {½-½ Vlassov,N (2352)-Langner,L (2377) Titled Tuesday intern op 18th Aug blitz 2020 (5)}) 10. Qxd8+ {[%emt 0:13:11]} ({Don't play} 10. fxe3 Qxd1+ 11. Kxd1 Bxc4 $17) 10... Rxd8 {[%emt 0:00:06] Black is slightly better.} 11. Bxe3 {[%emt 0:06:53]} Bxc4 {[%emt 0:00:12]} 12. Nd2 {[%emt 0:05:14]} Bd3 {[%emt 0:33:43]} ({But not} 12... Nxe5 $6 13. Nxc4 Nxc4 14. Bxa7 $15) (12... Bd5 $17 13. O-O Nxe5 14. Bxa7 Nd3) 13. e6 $11 {[%emt 0:06:47]} fxe6 {[%emt 0:00:39]} 14. Nxe6 {[%emt 0:01:41] Excellent horsemanship.} Rd6 {[%emt 0:01:06]} 15. Nc5 {[%emt 0:02:33]} a6 {[%emt 0:23:10]} (15... e6 $11 {remains equal.}) 16. Nxb7 $16 {[%emt 0:04:38]} Rg6 {[%emt 0:02:55]} 17. Nc5 {[%emt 0:09:10]} Nb4 {[%emt 0:00:29]} (17... Bf5 $16 {is a better defense.}) 18. Nxd3 $18 {[%emt 0:05:15]} Nxd3+ {[%emt 0:00:06]} 19. Ke2 {[%emt 0:00:11]} Nb4 {[%emt 0:09:37]} 20. g3 {[%emt 0:03:37]} Re6 {[%emt 0:05:14]} 21. Rac1 {[%emt 0:02:12] Rc8+ is the strong threat.} g6 {[%emt 0:02:04]} 22. Nf3 {[%emt 0:06:23] Rc8+ would be deadly.} Bg7 {[%emt 0:02:57]} 23. Rc8+ {[%emt 0:03:28]} Kd7 {[%emt 0:00:09]} 24. Rc4 {[%emt 0:01:06]} Rb8 {[%emt 0:04:04]} 25. Rd1+ {[%emt 0:01:19]} Ke8 {[%emt 0:02:21]} 26. Ng5 {[%emt 0:02:04]} Rc6 {[%emt 0:01:46]} 27. Rxc6 {[%emt 0:03:03]} Nxc6 {[%emt 0:00:02]} 28. b3 {[%emt 0:00:23]} Nb4 {[%emt 0:01:47] Against Rd5} 29. Ne6 {[%emt 0:01:17]} ({Resist} 29. Nxh7 $6 Nxa2 30. Kf3 Rxb3 $11) 29... Bc3 {[%emt 0:00:44]} (29... Be5 $16) 30. Bf4 $1 {[%emt 0:00:35]} Rb6 {[%emt 0:00:46]} 31. Nc7+ {[%emt 0:00:36]} (31. Rd8+ $18 {and White stays clearly on top.} Kf7 32. Ng5+ Kg7 33. Be3) 31... Kf7 $16 {[%emt 0:00:27]} 32. a3 {[%emt 0:00:28]} Na2 {[%emt 0:05:34]} 33. b4 {[%emt 0:00:27]} Bb2 {[%emt 0:00:19] Strongly threatening ...Nc3+.} 34. Nd5 {[%emt 0:00:34]} (34. Rd3 $16) 34... Re6+ {[%emt 0:00:10]} 35. Kf3 {[%emt 0:00:26]} ({White should play} 35. Kf1 $1 $14) 35... Bxa3 $11 {[%emt 0:00:12]} 36. Ra1 {[%emt 0:00:22]} Nxb4 {[%emt 0:00:06]} 37. Nc7 {[%emt 0:00:46][%cal Oc7e6]} Nc2 $1 {[%emt 0:00:35]} 38. Ra2 {[%emt 0:00:16][%cal Oc7e6]} Rc6 {[%emt 0:00:32]} 39. Kg2 {[%emt 0:00:43]} ({Better is} 39. Nd5) 39... a5 $17 {[%emt 0:01:31][%cal Og6g5,Ba6a5,Ba5b4,Bb4b3][%mdl 32]} 40. Nd5 {[%emt 0:00:32]} Bb4 {[%emt 0:01:08]} 41. Nxb4 {[%emt 0:04:45]} (41. Kf3 $17) 41... axb4 {[%emt 0:00:02][%mdl 4096] Endgame KRB-KRN} 42. Kf3 {[%emt 0:04:33]} b3 {[%emt 0:01:18] ( -> ...Rc3+)} 43. Rb2 {[%emt 0:00:53]} Rb6 {[%emt 0:02:10] And now ...Na3 would win.} 44. Ke4 {[%emt 0:03:46] [#]} Ke6 {[%emt 0:07:18]} 45. h3 {[%emt 0:07:28]} h5 {[%emt 0:03:06]} 46. Kd3 $2 {[%emt 0:03:48]} (46. Bg5 {was called for.}) 46... Kd5 $19 {[%emt 0:08:26]} 47. Kc3 {[%emt 0:02:12]} Ke4 $2 {[%emt 0:01:29]} (47... e5 $19 48. Bg5 Nd4) 48. Rxb3 $17 {[%emt 0:00:14]} Rxb3+ {[%emt 0:00:07]} 49. Kxb3 {[%emt 0:00:02] [#] KB-KN} Nd4+ {[%emt 0:00:23]} (49... Kd3 $1 $17) 50. Kc4 $11 {[%emt 0:01:36]} Nf5 {[%emt 0:01:41]} (50... e5 $5 51. Bh6 $8 Ne2 $11) 51. Bc7 {[%emt 0:01:28]} Kf3 {[%emt 0:00:49]} 52. g4 {[%emt 0:02:59]} hxg4 {[%emt 0:09:07]} 53. hxg4 {[%emt 0:00:00]} Kxg4 {[%emt 0:00:31]} 54. Kd5 {[%emt 0:00:55]} Kf3 {[%emt 0:00:17]} 55. Bb6 {[%emt 0:00:24]} Ng7 {[%emt 0:00:45]} 56. Ke5 {[%emt 0:01:18]} g5 {[%emt 0:00:19]} 57. Ba7 {[%emt 0:01:55]} g4 {[%emt 0:00:09]} 58. Bb6 {[%emt 0:00:22]} Nh5 {[%emt 0:01:00]} 59. Ke6 $2 {[%emt 0:00:44][%mdl 8192]} (59. Kf5 $11) 59... Nf4+ $19 {[%emt 0:00:28]} 60. Kxe7 {[%emt 0:00:38]} Nd5+ {[%emt 0:00:06] A wild game.   Weighted Error Value: White=0.45/Black=0.24 (precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.10"]
[White "Slaby, Matej"]
[Black "Zezula, Jakub"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "1932"]
[BlackElo "1963"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 17,111,0,29,-4,0,-30,-22,-25,-37,-33,-29,-35,-24,-45,-42,-42,-47,-48,-35,-50,-14,-18,-14,-32,-27,-64,-39,-48,-46,-79,-48,-64,-61,-64,-64,-92,-81,-127,0,-79,-50,-49,-32,-50,-47,-68,-51,-70,-70,-86,-86,-86,-77,-78,-61,-66,-68,-68,-68,-91,-91,-88,-78,-84,-47,-49,-29,-29,-8,-45,-29,-43,-14,-14,-8,-11,-8,-16,0,-86,-92,-108,-105,-170,-170,-170,-52,-52,-52,-59,-59,-59,8,0,0,0]} 1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:17]} Nf6 {[%emt 0:00:10]} 3. c4 {[%emt 0:00:09]} c6 {[%emt 0:00:49]} 4. Nc3 {[%emt 0:00:21]} e6 {[%emt 0:00:10]} 5. e3 {[%emt 0:00:19]} Nbd7 {[%emt 0:00:33]} 6. Bd3 {[%emt 0:00:37]} dxc4 {[%emt 0:00:57]} 7. Bxc4 {[%emt 0:00:07]} b5 {[%emt 0:00:03]} 8. Bd3 {[%emt 0:01:29]} a6 {[%emt 0:00:19]} 9. O-O {[%emt 0:00:23]} Bb7 {[%emt 0:01:19]} 10. Qe2 {[%emt 0:01:43] D48: Semi-Slav: Meran System: 7...b5 8 Bd3 a6.} (10. e4 $5 {[%cal Re4e5]}) 10... Be7 {[%emt 0:04:04]} 11. b3 {[%emt 0:03:27]} c5 {[%emt 0:01:43]} 12. Bb2 {[%emt 0:02:58]} (12. Ne5 {looks sharper.} O-O 13. Bb2 cxd4 14. exd4 Nb6 15. a4) 12... O-O {[%emt 0:01:16]} 13. Rfd1 {[%emt 0:02:39]} cxd4 {[%emt 0:02:17]} 14. exd4 {[%emt 0:00:19]} Nb6 {[%emt 0:01:16]} 15. Rac1 {[%emt 0:12:50]} Nbd5 {[%emt 0:03:03] [#]} 16. Nxd5 $146 {[%emt 0:01:37]} ({Predecessor:} 16. Bb1 Nxc3 17. Bxc3 Rc8 18. Ne5 Ba3 19. Bb2 Rxc1 20. Rxc1 Bxb2 21. Qxb2 Qd6 22. Qc3 {½-½ Szotkowski,D (1791)-Sramek,V (1967) Orlova op 14th 2017 (9)}) 16... Qxd5 {[%emt 0:06:12]} 17. Qe5 {[%emt 0:02:14]} Rac8 {[%emt 0:04:13]} 18. Qxd5 {[%emt 0:05:01]} Bxd5 {[%emt 0:02:10]} 19. Ne5 {[%emt 0:00:17]} Rfd8 {[%emt 0:02:28]} 20. f4 {[%emt 0:11:35]} g6 {[%emt 0:19:43]} 21. Kf2 {[%emt 0:08:34]} h5 {[%emt 0:00:32]} 22. g3 {[%emt 0:05:15]} Bd6 {[%emt 0:05:48]} 23. h3 {[%emt 0:07:44]} Kf8 {[%emt 0:03:44]} 24. Rg1 {[%emt 0:02:44]} Ke7 {[%emt 0:01:01]} (24... Rxc1 {simplifies} 25. Rxc1 Kg7 26. Bc3 Rc8) 25. Ke3 {[%emt 0:00:14]} Bb7 {[%emt 0:07:31]} (25... Ba8 {with more complications.} 26. h4 Bd5 27. Rge1 Bb4) 26. a3 {[%emt 0:03:52]} Nd5+ {[%emt 0:03:10]} 27. Kf2 {[%emt 0:00:47]} (27. Kf3 $142) 27... Nf6 {[%emt 0:01:32]} ({Black should try} 27... h4 28. Be4 Rxc1 29. Bxc1 hxg3+ 30. Kxg3 Rc8) 28. Ke3 $1 $17 {[%emt 0:01:05]} Bb8 {[%emt 0:02:56]} (28... Rxc1 {simplifies} 29. Rxc1 Nd5+ 30. Kf3 Rg8) 29. Ke2 {[%emt 0:04:50]} Ba7 {[%emt 0:02:13]} 30. Rxc8 {[%emt 0:01:53]} Rxc8 {[%emt 0:00:12]} 31. Kd2 {[%emt 0:04:09]} Ne4+ {[%emt 0:06:52]} 32. Bxe4 {[%emt 0:01:05]} Bxe4 {[%emt 0:00:03]} 33. Ke3 {[%emt 0:00:21]} Bd5 {[%emt 0:01:10]} 34. Rc1 {[%emt 0:00:57] Against Rc2} Rxc1 {[%emt 0:00:48]} 35. Bxc1 {[%emt 0:00:02][%mdl 4096] Endgame KBB-KBN} f6 {[%emt 0:02:17]} ({But not} 35... Bxb3 36. Nc6+ Kd6 37. Nxa7 $16) 36. Nxg6+ {[%emt 0:00:16]} Kf7 {[%emt 0:00:06]} 37. Nh4 {[%emt 0:00:21]} Bxb3 {[%emt 0:03:28]} 38. Nf3 {[%emt 0:04:04]} Bd5 {[%emt 0:00:57]} 39. Bb2 {[%emt 0:00:16]} Bb6 {[%emt 0:02:15]} 40. g4 {[%emt 0:00:45]} hxg4 {[%emt 0:00:44]} 41. hxg4 {[%emt 0:30:09]} Ba5 {[%emt 0:31:49]} 42. f5 {[%emt 0:04:13]} b4 {[%emt 0:02:39]} 43. Nh4 {[%emt 0:04:23]} bxa3 {[%emt 0:03:18]} (43... b3 {seems wilder.} 44. Ng6 Bc7 45. Nf4 Bxf4+ 46. Kxf4 a5) 44. Bxa3 {[%emt 0:00:20]} Bc3 {[%emt 0:01:13]} 45. fxe6+ {[%emt 0:04:48]} Bxe6 {[%emt 0:02:43] This pair of bishops is nice.} 46. Nf5 {[%emt 0:00:06]} a5 {[%emt 0:00:00][%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 47. Ke4 {[%emt 0:00:00]} Bb4 {[%emt 0:00:00]} 48. Bb2 {[%emt 0:00:00]} (48. Bxb4 $11 axb4 49. Ne3 (49. d5 Bxf5+ 50. gxf5 b3 51. Kd3 Ke7 52. Kc3 Kd6 53. Kxb3 Kxd5 54. Kc2 Ke5 55. Kd2 Kxf5 56. Ke3 Kg4 57. Kf2 Kf4 58. Kg2 Ke3 59. Kg3 f5 60. Kg2 f4 61. Kf1 Kf3 62. Ke1 Kg2 63. Ke2 f3+ 64. Ke3 f2 65. Ke4 f1=Q 66. Ke5 Kf3 67. Ke6 Ke4 68. Kd6 Qb5 69. Ke6 Qc6+ 70. Kf7 Kf5 71. Kf8 Kf6 72. Kg8 Qg2+ 73. Kh8 Qg7#)) 48... a4 {[%emt 0:00:00]} 49. d5 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00] [#] ...a3 is the strong threat.} 50. Ne3 {[%emt 0:00:00]} (50. Ba1 $17) 50... a3 $19 {[%emt 0:00:00]} 51. Ba1 {[%emt 0:00:00]} Bd2 {[%emt 0:00:00]} ({Black should play} 51... Bc5 $19 {White must now prevent ...Kg6.} 52. Kd3 Kg6) 52. Nc4 $15 {[%emt 0:00:00]} Bc1 {[%emt 0:00:00]} 53. Kd3 $1 {[%emt 0:00:00]} Bxg4 {[%emt 0:00:00]} 54. Kc2 {[%emt 0:00:00] [#] Dodges Bd1+} Bb2 {[%emt 0:00:00]} 55. Nxb2 {[%emt 0:00:00]} axb2 {[%emt 0:00:00]} 56. Bxb2 {[%emt 0:00:00] Weighted Error Value: White=0.14 (very precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.15"]
[Round "6.11"]
[White "Mrazek, Adam"]
[Black "Sigut, Ondrej"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1745"]
[BlackElo "1804"]
[Annotator "NA RC COMBH"]
[PlyCount "129"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:01:33]} g6 {[%emt 0:00:19]} 2. g3 {[%emt 0:00:18]} Bg7 {[%emt 0:00:14]} 3. Bg2 {[%emt 0:00:04]} Nf6 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:04]} O-O {[%emt 0:00:06]} 5. c4 {[%emt 0:00:05]} c6 {[%emt 0:01:18]} 6. Nc3 {[%emt 0:02:07]} d5 {[%emt 0:03:04]} 7. d4 {[%emt 0:09:18]} dxc4 {[%emt 0:12:40]} 8. a4 {[%emt 0:02:00]} Nd5 {[%emt 0:09:09]} 9. Bd2 {[%emt 0:31:20]} Nd7 {[%emt 0:10:27]} 10. Na2 {[%emt 0:14:34]} N7f6 {[%emt 0:12:54]} 11. Ne5 {[%emt 0:11:52]} Nd7 {[%emt 0:10:54]} 12. Nf3 {[%emt 0:09:08]} e5 {[%emt 0:06:08]} 13. e4 {[%emt 0:05:51]} Nc7 {[%emt 0:04:53]} 14. Be3 {[%emt 0:03:10]} exd4 {[%emt 0:02:15]} 15. Bxd4 {[%emt 0:00:17]} Nf6 {[%emt 0:06:04]} 16. Qc2 {[%emt 0:01:03]} Be6 {[%emt 0:04:39]} 17. Bc5 {[%emt 0:00:59]} Re8 {[%emt 0:00:10]} 18. Rad1 {[%emt 0:00:19]} Qc8 {[%emt 0:00:28]} 19. Ng5 {[%emt 0:03:10]} Na6 {[%emt 0:04:08]} 20. Nxe6 {[%emt 0:01:29]} Qxe6 {[%emt 0:00:37]} 21. Ba3 {[%emt 0:01:32]} Rad8 {[%emt 0:01:06]} 22. Nc3 {[%emt 0:00:24]} Nc7 {[%emt 0:01:35]} 23. Rfe1 {[%emt 0:00:43]} b5 {[%emt 0:00:35]} 24. axb5 {[%emt 0:00:30]} cxb5 {[%emt 0:00:05]} 25. Bb4 {[%emt 0:00:38]} Qb6 {[%emt 0:00:45]} 26. e5 {[%emt 0:00:21]} Ng4 {[%emt 0:01:35]} 27. Rxd8 {[%emt 0:00:14]} Rxd8 {[%emt 0:00:06]} 28. Bd6 {[%emt 0:00:39]} Re8 {[%emt 0:02:26]} 29. Bxc7 {[%emt 0:00:36]} Qxc7 {[%emt 0:00:05]} 30. Nxb5 {[%emt 0:00:36]} Qc5 {[%emt 0:00:44]} 31. Nd6 {[%emt 0:00:31]} Rxe5 {[%emt 0:00:23]} 32. Rxe5 {[%emt 0:00:20]} Bxe5 {[%emt 0:01:51]} 33. Ne4 {[%emt 0:00:27]} Qd4 {[%emt 0:01:43]} 34. h3 {[%emt 0:00:44]} Nf6 {[%emt 0:00:24]} 35. Nxf6+ {[%emt 0:00:28]} Bxf6 {[%emt 0:00:04]} 36. Qe2 {[%emt 0:00:26]} Be5 {[%emt 0:00:53]} 37. Kh1 {[%emt 0:00:38]} Qxb2 {[%emt 0:00:24]} 38. Qxb2 {[%emt 0:00:30]} Bxb2 {[%emt 0:00:05]} 39. Bd5 {[%emt 0:00:28]} c3 {[%emt 0:00:06]} 40. Bb3 {[%emt 0:00:01]} Kf8 {[%emt 0:00:16]} 41. Kg2 {[%emt 0:03:23]} f5 {[%emt 0:03:55]} 42. Kf3 {[%emt 0:03:56]} Bc1 {[%emt 0:01:54]} 43. Ke2 {[%emt 0:07:01]} Ke7 {[%emt 0:02:26]} 44. Kd3 {[%emt 0:01:19]} Bd2 {[%emt 0:00:13]} 45. f3 {[%emt 0:03:58]} h5 {[%emt 0:02:19]} 46. Kd4 {[%emt 0:05:59]} g5 {[%emt 0:05:04]} (46... Kf6 $19 47. Kd3 a5) 47. Ke5 {[%emt 0:03:57]} g4 {[%emt 0:03:20]} ({Better is} 47... Be1 48. g4 fxg4 49. fxg4 h4) 48. hxg4 $2 {[%emt 0:04:32]} (48. fxg4 $17 hxg4 49. hxg4) 48... fxg4 {[%emt 0:09:49]} 49. fxg4 {[%emt 0:00:07]} hxg4 {[%emt 0:00:05]} 50. Ba4 $17 {[%emt 0:01:11]} Be1 {[%emt 0:01:03]} 51. Kf4 $2 {[%emt 0:00:28]} (51. Bd1 $17) 51... Kd6 {[%emt 0:00:16]} 52. Kxg4 {[%emt 0:00:26]} Kc5 {[%emt 0:01:21]} 53. Kf3 {[%emt 0:00:19]} Kb4 {[%emt 0:02:50]} 54. Bd1 {[%emt 0:00:14]} Kc4 {[%emt 0:02:46]} 55. Ke2 {[%emt 0:00:54]} Bxg3 {[%emt 0:00:18]} 56. Bc2 {[%emt 0:00:44]} a5 {[%emt 0:00:06]} 57. Kd1 {[%emt 0:00:28]} Bf4 {[%emt 0:00:06]} 58. Bf5 {[%emt 0:00:28] [#]} Kb3 $1 {[%emt 0:01:24]} 59. Bc2+ {[%emt 0:00:24] [#]} Kb4 $2 {[%emt 0:02:18]} 60. Bf5 {[%emt 0:00:15]} Kb3 {[%emt 0:00:42]} ({Black should try} 60... a4 $17 61. Be6 Be3) 61. Bc2+ {[%emt 0:00:05] [#]} Kb2 $1 {[%emt 0:00:40] mates} 62. Ba4 {[%emt 0:00:06]} Bg5 {[%emt 0:00:41]} (62... Ka3 63. Bd7 Kb3 64. Bf5 a4 65. Bc2+ Ka3 66. Ke2 Kb4 67. Bb1 a3 68. Kf3 Kb3 69. Kg4 c2 70. Bxc2+ Kxc2 71. Kxf4 a2 72. Ke5 a1=Q+ 73. Kf5 Kd3 74. Ke6 Qd4 75. Kf5 Qd6 76. Kg4 Ke4 77. Kg5 Qe7+ 78. Kg6 Kf4 79. Kh6 Kf5 80. Kh5 Qh7#) 63. Bc2 {[%emt 0:01:06]} Bd2 {[%emt 0:00:06]} 64. Ba4 {[%emt 0:00:24]} Ka3 {[%emt 0:00:05]} 65. Bd7 {[%emt 0:00:41]} 1/2-1/2

[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

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.1"]
[White "Mametev, Artem"]
[Black "Fizer, Marek"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2074"]
[BlackElo "1929"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 23,74,8,7,0,10,10,4,10,10,0,0,-4,0,0,30,0,9,-14,0,-18,0,0,0,0,0,-16,-7,-28,-22,-82,20,10,8,23,18,45,59,33,11,-425,-622,-629,-270,-587,-189,-209,-91,-85,-245,-156,-162,-560,-527]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:03][%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c2][%mdl 32]} Nc6 {[%emt 0:00:22]} 3. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:20]} 4. Nxd4 {[%emt 0:00:04]} Nf6 {[%emt 0:00:24]} 5. Nc3 {[%emt 0:00:04]} e5 {[%emt 0:00:16]} 6. Ndb5 {[%emt 0:00:14]} d6 {[%emt 0:00:40]} 7. Bg5 {[%emt 0:00:23]} a6 {[%emt 0:01:16]} 8. Na3 {[%emt 0:02:10]} b5 {[%emt 0:00:37]} 9. Nd5 {[%emt 0:00:06]} Be7 {[%emt 0:00:45]} 10. Bxf6 {[%emt 0:00:06]} Bxf6 {[%emt 0:01:01]} 11. c4 {[%emt 0:00:05]} b4 {[%emt 0:00:51]} 12. Nc2 {[%emt 0:00:09]} a5 {[%emt 0:01:13]} 13. g3 {[%emt 0:00:06] B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O {[%emt 0:01:25]} 14. Bg2 {[%emt 0:00:10]} Bg5 {[%emt 0:01:45] 14...g6 injects fresh life into this line.} 15. O-O {[%emt 0:00:13] The position is equal.} Ne7 {[%emt 0:01:59]} 16. Nce3 {[%emt 0:02:32]} Bxe3 {[%emt 0:02:59]} 17. Nxe3 {[%emt 0:00:17][%cal Oe3f5]} Be6 {[%emt 0:01:29]} 18. Qd3 {[%emt 0:03:17]} Qb6 {[%emt 0:06:06]} 19. b3 {[%emt 0:01:32]} a4 {[%emt 0:05:55]} 20. Rad1 {[%emt 0:00:37]} (20. Nf5 {seems wilder.} Nc6 21. Qxd6 Ra7 22. bxa4 Rd8 23. a5) 20... Rfd8 {[%emt 0:02:35] [#]} 21. Kh1 $146 {[%emt 0:10:09]} ({Predecessor:} 21. Rd2 axb3 22. axb3 Nc6 23. Rfd1 Nd4 24. Nc2 Bg4 25. Re1 Ne6 26. h3 {1-0 Zhapova,Y (2212)-Aleshina,A (1445) Satka Autumn op (Women) 2021 (1)}) 21... axb3 {[%emt 0:08:07]} 22. axb3 {[%emt 0:00:02]} Kh8 {[%emt 0:17:44]} 23. f4 {[%emt 0:03:19]} f6 $1 {[%emt 0:00:57]} 24. f5 {[%emt 0:14:37]} Bf7 {[%emt 0:01:30]} 25. g4 {[%emt 0:00:53]} Nc6 {[%emt 0:02:38]} 26. h4 {[%emt 0:03:07]} (26. Nc2 $11) 26... Nd4 {[%emt 0:02:21] Black is more active.} (26... Qd4 $17) 27. Nc2 $1 $11 {[%emt 0:07:20]} Nxc2 {[%emt 0:04:20]} 28. Qxc2 {[%emt 0:00:02]} Ra3 {[%emt 0:00:38]} 29. Rd3 {[%emt 0:12:17]} Rda8 {[%emt 0:07:09]} 30. Qd2 {[%emt 0:01:48]} R8a6 {[%emt 0:02:01]} 31. Rf2 $2 {[%emt 0:04:35][%mdl 8192] [#]} (31. g5 $11 {and White stays safe.} Ra2 32. Qc1) 31... Bxc4 $1 $19 {[%emt 0:02:42][%mdl 576] Pin, Double Attack} 32. Qc2 {[%emt 0:04:22]} (32. Bf1 Bxd3) 32... Bg8 {[%emt 0:08:14]} (32... Bxd3 $2 {gets mated.} 33. Qc8+) (32... Ra8 $142 33. Rdf3 Bxb3) 33. g5 $2 {[%emt 0:09:44]} (33. Bf1 {is a better chance.}) 33... Qc5 $2 {[%emt 0:07:36]} (33... Rxb3 34. Rxb3 Bxb3 35. Qc8+ Bg8) 34. gxf6 {[%emt 0:02:01]} Qxc2 {[%emt 0:05:05]} (34... gxf6 $19 {has better winning chances.} 35. Bf1 Ra7 36. Qxc5 dxc5) 35. fxg7+ $2 {[%emt 0:00:06]} (35. Rxc2 $17 {was forced.} gxf6 36. Rc8) 35... Kxg7 {[%emt 0:00:07]} 36. Rxc2 {[%emt 0:00:06] [#] Rg3+ is the strong threat.} Bxb3 {[%emt 0:01:48]} 37. Rg3+ $2 {[%emt 0:01:16]} (37. Rc7+ {is tougher.} Bf7 38. Bf1) 37... Kf6 {[%emt 0:01:02] Weighted Error Value: White=0.73/Black=0.53} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.2"]
[White "Paseka, Matyas"]
[Black "Simunek, Jakub Simon"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2082"]
[BlackElo "1970"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 28,91,25,31,42,39,141,126,162,160,145,123,216,236,284,230,226,196,221,202,219,212,276,273,270,250,242,253,270,258,240,238,369,357,345,329,722,689,1460,1438,1614,1580,1375,1039,976,708,29966,29970,29971,29972,29971,29972,29977,29958,29978,29976,29976,29979,29978,29979,29983,29984,29984,29985,29983,29984]} 1. e4 {[%emt 0:00:03] Edouard,Romain} e6 {[%emt 0:00:08]} 2. d4 {[%emt 0:00:06]} d5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:09]} Bb4 {[%emt 0:00:54]} 4. e5 {[%emt 0:00:08]} c5 {[%emt 0:00:06]} 5. a3 {[%emt 0:00:07]} Bxc3+ {[%emt 0:00:16]} 6. bxc3 {[%emt 0:00:08]} Ne7 {[%emt 0:00:14]} 7. Qg4 {[%emt 0:00:16]} Qc7 {[%emt 0:00:38]} 8. Qxg7 {[%emt 0:00:21]} Rg8 {[%emt 0:00:05]} 9. Qxh7 {[%emt 0:00:09]} cxd4 {[%emt 0:00:23]} 10. Ne2 {[%emt 0:00:24]} dxc3 {[%emt 0:01:40]} 11. f4 {[%emt 0:00:23]} Nbc6 12. Qd3 d4 {[%emt 0:01:42]} 13. Nxd4 {[%emt 0:01:34]} Nxd4 {[%emt 0:00:48]} 14. Qxd4 {[%emt 0:00:08]} Bd7 {[%emt 0:02:15]} 15. Rg1 {[%emt 0:00:23]} Nf5 {[%emt 0:09:13][%cal Be7f5,Bf5h4,Bh4f3][%mdl 32] C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} 16. Qf2 {[%emt 0:00:14] [#]} Qb6 $146 {[%emt 0:01:50]} (16... Qc6 $1 $14) ({Predecessor:} 16... Bc6 17. Bd3 O-O-O 18. Qxa7 Nh4 19. Be3 Nxg2+ 20. Rxg2 Rxg2 21. Bb6 Qe7 22. Bxd8 Qxd8 23. O-O-O {½-½ Fier,A (2562)-Edouard,R (2645) Bremen CD Meyer Memorial 2020 (2.2)}) 17. Bd3 {[%emt 0:16:14]} Bc6 {[%emt 0:08:39] White is better.} 18. Qxb6 {[%emt 0:03:25]} axb6 {[%emt 0:00:12]} 19. Kf2 {[%emt 0:00:27]} Ke7 {[%emt 0:13:51]} (19... Rh8 $16) 20. Rb1 $18 {[%emt 0:06:42]} Nh4 {[%emt 0:07:56][%cal Rh4g2]} 21. g4 {[%emt 0:00:42]} Nf3 {[%emt 0:06:35]} 22. Rg3 {[%emt 0:00:11]} Nd2 {[%emt 0:00:24]} 23. Rxb6 {[%emt 0:05:18]} Rh8 {[%emt 0:03:57]} 24. h3 {[%emt 0:00:45]} Rh4 {[%emt 0:00:32]} 25. Ke3 {[%emt 0:14:16]} Rah8 {[%emt 0:09:13]} 26. Bxd2 {[%emt 0:00:20]} cxd2 {[%emt 0:00:10]} 27. Kxd2 {[%emt 0:00:06]} Rxh3 {[%emt 0:00:05]} 28. Rxh3 {[%emt 0:00:10]} Rxh3 {[%emt 0:00:04][%mdl 4096] Endgame KRB-KRB} 29. f5 {[%emt 0:01:57][%cal Bf4f5,Bf5f6][%mdl 32]} Rg3 {[%emt 0:05:46]} (29... exf5 $142 30. gxf5 Rh4) 30. f6+ {[%emt 0:00:19]} Kd7 {[%emt 0:01:20]} 31. Rb4 {[%emt 0:00:24]} Bf3 $2 {[%emt 0:00:48]} (31... b5 32. Bxb5 Bxb5) 32. Rd4+ {[%emt 0:13:15]} Kc8 {[%emt 0:01:50] [#]} 33. Bg6 $1 {[%emt 0:00:30][%mdl 576] Promotion} Bxg4 {[%emt 0:01:27]} (33... Rxg4 34. Rxg4) 34. Bxf7 {[%emt 0:00:23][%cal Od4g4] Threatening mate with Rxg4!} Bf5 {[%emt 0:01:14]} 35. Bh5 {[%emt 0:01:17] Intending f7 and mate.} Rg2+ {[%emt 0:00:11]} 36. Be2 {[%emt 0:00:52] f7 would kill now.} Bg6 {[%emt 0:01:19]} 37. Rg4 {[%emt 0:00:15] White mates.} Rxg4 {[%emt 0:00:07]} 38. Bxg4 {[%emt 0:00:04] KB-KB} Kd7 {[%emt 0:00:05]} 39. Kc3 {[%emt 0:01:40]} Bf7 {[%emt 0:00:51]} 40. Bf3 {[%emt 0:00:47]} Kc7 {[%emt 0:00:10]} 41. Kb4 {[%emt 0:31:01]} Kb6 {[%emt 0:30:18]} 42. a4 {[%emt 0:00:16][%cal Ba3a4,Ba4a5][%mdl 32]} Kc7 {[%emt 0:00:10]} 43. a5 {[%emt 0:00:08]} Kc8 {[%emt 0:00:10]} 44. Kc5 {[%emt 0:00:06]} Kc7 {[%emt 0:00:05] [#]} 45. Bxb7 $1 {[%emt 0:00:49][%mdl 576] Deflection, Promotion} Kxb7 {[%emt 0:00:07]} 46. Kd6 {[%emt 0:00:04] Weighted Error Value: White=0.09 (flawless) /Black=0.65} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.3"]
[White "Janous, Marek"]
[Black "Lang, Simon"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2124"]
[BlackElo "1974"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,67,14,13,0,25,16,23,22,22,17,22,0,13,22,0,-28,-9,-88,-78,-88,-43,-39,-39,-50,-41,-53,-34,-33,0,-4,0,-57,91,114,84,93,128,123,119,129,156,114,141,142,172,131,170,177,638,622,639,628,639,639,629,616,564,533,596,585]} 1. e4 {[%emt 0:00:06]} c5 {[%emt 0:00:39]} 2. Nf3 {[%emt 0:00:31]} d6 {[%emt 0:00:42]} 3. Bb5+ {[%emt 0:01:07]} Nd7 {[%emt 0:01:07]} 4. a4 {[%emt 0:00:15]} Ngf6 {[%emt 0:03:50]} 5. Nc3 {[%emt 0:00:24]} e6 {[%emt 0:03:42]} 6. O-O {[%emt 0:00:24] B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Be7 {[%emt 0:01:52]} (6... a6 $5 {[%cal Ra6b5]} 7. Be2 b6 $14) 7. d4 {[%emt 0:00:37]} cxd4 {[%emt 0:02:04]} 8. Qxd4 {[%emt 0:00:08] White has an edge.} O-O {[%emt 0:02:36]} 9. Rd1 {[%emt 0:01:44]} Qc7 {[%emt 0:08:27]} 10. Bg5 {[%emt 0:04:32]} Rd8 {[%emt 0:08:47]} 11. a5 {[%emt 0:09:18]} h6 {[%emt 0:19:45] [#]} 12. Bxf6 $146 {[%emt 0:06:03]} ({Predecessor:} 12. Bh4 a6 13. Bf1 Rb8 14. Bg3 e5 15. Qe3 b5 16. axb6 Rxb6 17. Ra2 Bb7 18. h3 {½-½ Cladouras,P (2375)-Meissner,H (2255) BL2-Nord 9596 1995 [4]}) 12... Nxf6 {[%emt 0:01:54]} 13. e5 {[%emt 0:14:12]} (13. Qc4 $11 {keeps the balance.} Qxc4 14. Bxc4) 13... dxe5 $17 {[%emt 0:06:16]} 14. Qxe5 {[%emt 0:00:27]} Bd6 {[%emt 0:01:14]} 15. Qe2 {[%emt 0:00:21]} a6 {[%emt 0:08:46]} 16. Bd3 {[%emt 0:01:47]} Bd7 {[%emt 0:08:10]} 17. Ne4 {[%emt 0:02:32] Strongly threatening Nxd6.} Nxe4 {[%emt 0:04:09]} 18. Qxe4 {[%emt 0:00:40]} f5 {[%emt 0:00:49]} 19. Qc4 {[%emt 0:00:37]} Rac8 {[%emt 0:01:53]} 20. Qxc7 {[%emt 0:00:40]} ({Better is} 20. Qb3 $11) 20... Rxc7 {[%emt 0:00:47] [#]} (20... Bxc7 $15 {keeps the upper hand.} 21. Re1 Kf7) 21. Bxf5 $1 $16 {[%emt 0:02:52][%mdl 64] Discovered Attack} Bc8 {[%emt 0:04:59]} 22. Bd3 {[%emt 0:03:20]} e5 {[%emt 0:02:09]} 23. Re1 {[%emt 0:15:00]} Re7 {[%emt 0:01:15]} 24. h3 {[%emt 0:05:31] White is more active.} Rf8 {[%emt 0:02:41]} 25. Nd2 {[%emt 0:08:40][%cal Bf3d2,Bd2c4,Bc4e5,Be5g6,Bg6f4][%mdl 32]} Bc7 {[%emt 0:01:40]} 26. Re2 {[%emt 0:02:17]} Rf4 {[%emt 0:01:00]} 27. Nc4 {[%emt 0:08:28]} Be6 {[%emt 0:02:09]} 28. Nxe5 {[%emt 0:00:58] Hoping for Ng6.} Bd5 $2 {[%emt 0:00:35]} (28... Bf7) 29. Ng6 $1 $18 {[%emt 0:00:56][%csl LRe7,LRf4][%mdl 64] [#] Discovered Attack. White is clearly winning.} Rxe2 {[%emt 0:00:20]} 30. Nxf4 {[%emt 0:00:13]} ({Not} 30. Bxe2 Rf7 31. c3 Be4 $16) 30... Bxf4 {[%emt 0:00:30]} 31. Bxe2 {[%emt 0:00:04]} Be5 {[%emt 0:00:23]} 32. c3 {[%emt 0:01:04]} Kf7 {[%emt 0:00:12]} 33. Bf3 {[%emt 0:00:57]} Bxf3 {[%emt 0:00:11]} 34. gxf3 {[%emt 0:00:05] Weighted Error Value: White=0.16 (very precise) /Black=0.42} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.4"]
[White "Prazak, Daniel"]
[Black "Dolensky, Filip"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2064"]
[BlackElo "2108"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,60,11,29,21,29,24,18,0,71,0,68,57,66,62,127,127,147,156,159,122,591,568,575,537,897,897,878,875,855,858,841,822,783,439,418,284,284,279,285,285,274,269,438,431,751,743,729,695,796,766,29979,850,29983]} 1. e4 {[%emt 0:00:05]} d6 {[%emt 0:00:07]} 2. d4 {[%emt 0:00:25]} Nf6 {[%emt 0:03:49]} 3. Nc3 {[%emt 0:00:12]} Nbd7 {[%emt 0:00:14]} 4. Nf3 {[%emt 0:00:17]} e5 {[%emt 0:00:09]} 5. Rg1 {[%emt 0:03:55]} h6 {[%emt 0:01:12]} 6. g4 {[%emt 0:01:21] C41: Philidor Defence.} c6 {[%emt 0:04:10]} 7. Be3 {[%emt 0:02:27]} Qc7 {[%emt 0:01:08]} 8. Qd2 {[%emt 0:02:36] [#] The position is equal.} a6 $146 {[%emt 0:00:57]} (8... b5 $11) ({Predecessor:} 8... Be7 9. O-O-O Nf8 10. dxe5 dxe5 11. g5 Ng4 12. gxh6 gxh6 13. Nb5 cxb5 14. Bxb5+ Bd7 15. Bxd7+ Nxd7 16. Rxg4 {1-0 Guennigmann,M (2234)-Carrasco,P (2038) Dortmund Sparkassen op-A 2010 (4)}) 9. a4 {[%emt 0:05:32]} (9. O-O-O $16) 9... Be7 {[%emt 0:08:07]} (9... exd4 $11 10. Nxd4 Ne5) 10. g5 $1 $14 {[%emt 0:10:58]} hxg5 {[%emt 0:03:01]} 11. Nxg5 {[%emt 0:01:16]} Rf8 {[%emt 0:09:59]} ({Black should play} 11... Nh7 $14) 12. f4 $16 {[%emt 0:08:38]} b6 {[%emt 0:03:19]} 13. Bc4 {[%emt 0:09:30]} Bb7 {[%emt 0:03:16]} 14. Qg2 {[%emt 0:05:34] Threatens to win with Bxf7+. White has more active pieces. The black rooks are badly placed.} b5 $2 {[%emt 0:11:13][%mdl 8192] This move loses the game for Black.} (14... exd4 $16 {is tougher.} 15. Bxf7+ (15. Bxd4 d5 $15) 15... Rxf7) 15. Bxf7+ $18 {[%emt 0:06:29][%mdl 64] [#] Decoy} Rxf7 {[%emt 0:01:11]} 16. Nxf7 {[%emt 0:00:05]} Kxf7 {[%emt 0:05:39]} 17. Qg6+ {[%emt 0:00:41]} Kf8 {[%emt 0:00:21]} 18. fxe5 {[%emt 0:01:14]} dxe5 {[%emt 0:01:07]} 19. O-O-O {[%emt 0:01:12]} Ne8 {[%emt 0:08:02]} 20. dxe5 {[%emt 0:11:31]} Nxe5 {[%emt 0:02:27]} 21. Rdf1+ {[%emt 0:05:17]} Bf6 {[%emt 0:04:16] [#]} 22. Rxf6+ {[%emt 0:00:47][%mdl 512]} Kg8 {[%emt 0:12:46]} (22... Nxf6 $2 23. Bc5+ Kg8 24. Qxf6 $18) 23. Qf5 {[%emt 0:00:47][%csl Gf5][%cal Rf6f8]} Nxf6 {[%emt 0:00:29]} 24. Qxf6 {[%emt 0:00:07] Black is weak on the dark squares} Re8 {[%emt 0:03:12]} 25. Bd4 {[%emt 0:04:33]} b4 $2 {[%emt 0:00:45]} (25... Re7 26. b4 (26. Bc5 Rf7 $16) 26... Bc8 27. Rxg7+ (27. Bc5 Rf7 $14) 27... Rxg7) 26. Rg5 $1 {[%emt 0:01:03][%cal Rd4e5]} bxc3 {[%emt 0:01:21]} (26... Qf7 $142 27. Bxe5 Qxf6 28. Bxf6 Kf7) 27. Bxe5 {[%emt 0:00:21]} Rxe5 {[%emt 0:00:50]} 28. Qxe5 {[%emt 0:00:07]} Qf7 {[%emt 0:00:31][%cal Rf7f1] Prevents Qe8+} 29. Rf5 {[%emt 0:00:52] Prevents Qf1+. Intending Qb8+ and mate.} Qg6 {[%emt 0:00:13]} 30. bxc3 {[%emt 0:00:32]} (30. Qb8+ $142 Kh7 31. bxc3 (31. Qxb7 $2 {leads to mate.} Qg1+) 31... Qe6 32. Qxb7 Kg6 33. Rc5 Kh7 34. Kb2 a5 35. Rxa5) 30... Qg1+ {[%emt 0:00:19]} 31. Kb2 {[%emt 0:00:18] Artfully played by Prazak.   Weighted Error Value: White=0.43/Black=1.27} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.5"]
[White "Werner, Hong Quan Dan"]
[Black "Seidl, Jan"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2085"]
[BlackElo "2025"]
[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 10,64,31,25,19,25,12,12,8,12,9,12,11,12,43,14,0,0,0,-9,-8,-17,47,-8,4,-35,-25,-28,-23,-43,-20,-9,0,-277,-297,-1506,-1450,-1381,-1365,-1742,-919,-1708,-1715,-1675,-1272,-1614,-1559,-2340,-2339,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 {[%emt 0:00:09]} c6 {[%emt 0:00:05]} 2. Nc3 {[%emt 0:00:23]} d5 {[%emt 0:00:06]} 3. Nf3 {[%emt 0:00:06]} Bg4 {[%emt 0:00:14]} 4. h3 {[%emt 0:00:32]} Bxf3 {[%emt 0:00:08]} 5. Qxf3 {[%emt 0:00:18]} e6 {[%emt 0:00:08]} 6. Be2 {[%emt 0:00:19]} Nf6 {[%emt 0:00:15] B11: Caro-Kann: Two Knights Variation.} 7. O-O {[%emt 0:03:48]} Be7 {[%emt 0:01:47]} 8. Rd1 {[%emt 0:02:58]} d4 {[%emt 0:02:01] The position is equal.} 9. Nb1 {[%emt 0:00:22]} O-O {[%emt 0:01:41]} 10. d3 {[%emt 0:01:05]} c5 {[%emt 0:01:14]} 11. Qg3 {[%emt 0:00:45]} Nc6 {[%emt 0:02:12] [#]} 12. f4 $146 {[%emt 0:02:06]} (12. e5 $5 {[%cal Re5f6]} Ne8 13. Bf3 $14) ({Predecessor:} 12. e5 Ne8 13. c4 f6 14. exf6 Bd6 15. Bf4 Bxf4 16. Qxf4 gxf6 17. Nd2 e5 18. Qh4 {0-1 Tomczak,J (2584)-Socko,B (2636) POL-ch Lotto 79th 2022 (2.2)}) 12... Qc7 {[%emt 0:04:22]} 13. Qf2 {[%emt 0:04:54]} Nd7 {[%emt 0:01:29]} 14. a4 {[%emt 0:10:22]} a6 {[%emt 0:02:09]} 15. Na3 {[%emt 0:00:23]} f5 {[%emt 0:00:17]} (15... e5 $11) 16. e5 {[%emt 0:11:43]} (16. exf5 $14 exf5 17. Bd2) 16... Kh8 {[%emt 0:00:45]} (16... Nb6 $5 {[%cal Rb6a4]}) 17. Bd2 {[%emt 0:02:52] [#]} g5 $1 {[%emt 0:03:14]} 18. g3 {[%emt 0:00:07]} (18. fxg5 Ndxe5) 18... Rg8 {[%emt 0:01:08] And now ...gxf4 would win.} 19. Kh1 {[%emt 0:01:30]} gxf4 {[%emt 0:06:35]} 20. gxf4 {[%emt 0:00:05]} Nf8 {[%emt 0:02:33]} 21. Qh2 $2 {[%emt 0:07:04][%mdl 8192]} (21. Nc4 $11 {and White has nothing to worry.}) 21... Nxe5 $1 $19 {[%emt 0:02:49][%mdl 64] Clearance} 22. Qf2 $2 {[%emt 0:00:41]} (22. Rg1 Qc6+ 23. Rg2) 22... Qc6+ {[%emt 0:01:43]} 23. Kh2 {[%emt 0:01:23] [#]} Bh4 $1 {[%emt 0:00:16][%cal Be7h4,Bh4g3,Bg3f4][%mdl 608] Deflection} 24. Qf1 {[%emt 0:00:19]} (24. Rg1 Bxf2) 24... Bg3+ {[%emt 0:00:56]} 25. Kg1 {[%emt 0:00:03]} Bxf4+ {[%emt 0:00:34]} 26. Kf2 {[%emt 0:00:06]} Bg3+ {[%emt 0:06:52]} 27. Kg1 {[%emt 0:00:05]} f4 {[%emt 0:07:08]} 28. Nc4 {[%emt 0:00:34]} f3 {[%emt 0:02:19] ( -> ...f2+)} 29. Nxe5 {[%emt 0:00:40]} f2+ {[%emt 0:01:13] Black mates.} 30. Qxf2 {[%emt 0:02:04]} Bxf2+ {[%emt 0:00:14]} 31. Kxf2 {[%emt 0:03:18]} Qg2+ {[%emt 0:00:13]} 32. Ke1 {[%emt 0:03:02]} Qg3+ {[%emt 0:00:07] Ingenious play by Seidl!   Weighted Error Value: White=1.34/Black=0.11 (very precise)} 0-1

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.6"]
[White "Tillmann, Stanislav"]
[Black "Hladky, Tadeas"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1907"]
[BlackElo "1973"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,61,0,-2,-7,-7,-4,-6,0,0,0,-7,122,124,123,131,117,79,66,-5,-4,-94,-94,-94,-94,-94,-88,-85,-98,-83,-46,-79,-68,-63,-67,-67,-67,-69,-31,-33,-33,-71,-52,-47,0,0,0,0]} 1. b3 {[%emt 0:00:01]} d5 {[%emt 0:00:16]} 2. Bb2 {[%emt 0:00:54]} Nf6 {[%emt 0:00:12]} 3. e3 {[%emt 0:01:41]} Bf5 {[%emt 0:00:31]} 4. Nf3 {[%emt 0:00:46]} e6 {[%emt 0:00:14]} 5. Be2 {[%emt 0:00:16]} Bd6 {[%emt 0:00:14]} 6. O-O {[%emt 0:00:27]} O-O {[%emt 0:00:22]} 7. c4 {[%emt 0:00:20]} c6 {[%emt 0:00:05]} 8. d4 {[%emt 0:01:20]} h6 {[%emt 0:00:41]} 9. Nbd2 {[%emt 0:00:30]} a5 {[%emt 0:00:22] D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} 10. a3 {[%emt 0:00:44]} Nbd7 {[%emt 0:01:21]} 11. Ne5 {[%emt 0:02:21]} Qc7 {[%emt 0:07:19][%cal Rd7e5]} 12. f4 {[%emt 0:05:56][%cal Bf2f4,Bf4e5][%mdl 32]} Ne4 {[%emt 0:02:33] [#]} 13. Rc1 $146 {[%emt 0:05:17]} ({Predecessor:} 13. Nd3 Nxd2 14. Qxd2 Nf6 15. c5 Be7 16. Bf3 Be4 17. Bc3 b5 18. Ne5 Ne8 19. Bxe4 dxe4 {1-0 Kireev,S-Klitchev,M Moscow-ch op 1995 (9)}) 13... Nxe5 {[%emt 0:03:31]} (13... Ndf6 $11 {remains equal.}) 14. fxe5 $16 {[%emt 0:02:00] [#] aiming for cxd5.} Be7 {[%emt 0:00:29]} 15. cxd5 {[%emt 0:00:30] Hoping for Nxe4.} Bg5 {[%emt 0:02:52]} 16. Nxe4 {[%emt 0:26:27]} Bxe4 {[%emt 0:01:07]} 17. Rc3 {[%emt 0:06:35]} (17. d6 $1 $14 Bxe3+ 18. Kh1) 17... exd5 $11 {[%emt 0:01:45]} 18. Bc1 {[%emt 0:03:10]} (18. Bf3 $11) 18... f6 $17 {[%emt 0:05:59]} 19. exf6 {[%emt 0:00:39]} Rxf6 {[%emt 0:00:10]} 20. Rxf6 {[%emt 0:01:09]} Bxf6 {[%emt 0:00:05]} ({Much worse is} 20... gxf6 $6 21. Bd3 $15) 21. Bd3 {[%emt 0:01:47]} Bxd3 {[%emt 0:01:25]} 22. Qxd3 {[%emt 0:01:15]} Qd6 {[%emt 0:13:15]} 23. Qg6 {[%emt 0:06:36]} Rf8 {[%emt 0:05:02]} 24. Rd3 {[%emt 0:03:03]} Qe7 {[%emt 0:02:48]} 25. Rd1 $1 {[%emt 0:01:19]} Bg5 {[%emt 0:07:32]} 26. Re1 {[%emt 0:00:48]} Bh4 {[%emt 0:07:18]} 27. g3 {[%emt 0:03:18]} Bg5 {[%emt 0:04:32]} 28. Qd3 {[%emt 0:02:13]} Qf6 {[%emt 0:08:40] [#] ( -> ...Qf2+)} 29. Rf1 {[%emt 0:01:21] Against Qf2+} Qxf1+ {[%emt 0:00:14]} (29... Qe6 $15) 30. Qxf1 $11 {[%emt 0:00:06]} Rxf1+ {[%emt 0:00:06]} 31. Kxf1 {[%emt 0:00:05] Weighted Error Value: White=0.20 (precise) /Black=0.18 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.7"]
[White "Pelc, Adam"]
[Black "Slaby, Matej"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1871"]
[BlackElo "1932"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 9,54,-1,28,-7,0,-17,0,0,-4,-4,-4,-4,-4,0,-6,-7,-7,-10,-4,-8,0,0,0,0,0,-5,0,0,0,-8,0,0,0,-6,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:10]} 2. e5 {[%emt 0:01:07]} d5 {[%emt 0:01:01]} 3. exd6 {[%emt 0:00:43]} exd6 {[%emt 0:00:09]} 4. Nf3 {[%emt 0:00:18]} d5 {[%emt 0:00:31]} 5. d4 {[%emt 0:00:54]} Bg4 {[%emt 0:00:56]} 6. Be2 {[%emt 0:00:48] B10: Caro-Kann: 2 d3 and 2 c4.} Nf6 {[%emt 0:02:12] The position is equal.} 7. Bg5 {[%emt 0:02:04] [#]} Be7 $146 {[%emt 0:01:15]} ({Predecessor:} 7... Nbd7 8. Nbd2 Qc7 9. h3 Bh5 10. O-O Bd6 11. Re1 O-O 12. b3 Rfe8 13. c4 h6 {0-1 Hof,A-Tischer,U KO-21206 freechess.de 2018}) 8. Nbd2 {[%emt 0:04:21]} Nbd7 {[%emt 0:01:52]} 9. O-O {[%emt 0:01:02]} O-O {[%emt 0:01:24]} 10. h3 {[%emt 0:03:54]} Bh5 {[%emt 0:02:45]} 11. Re1 {[%emt 0:03:28]} Re8 {[%emt 0:00:35]} 12. Ne5 {[%emt 0:07:28]} Bxe2 {[%emt 0:01:43]} 13. Rxe2 {[%emt 0:00:46]} Nxe5 {[%emt 0:08:33]} 14. Rxe5 {[%emt 0:00:39]} Nd7 {[%emt 0:00:41]} 15. Bxe7 {[%emt 0:01:06]} Rxe7 {[%emt 0:00:14]} 16. Rxe7 {[%emt 0:00:06]} Qxe7 {[%emt 0:00:06]} 17. Qe1 {[%emt 0:00:04]} Re8 {[%emt 0:01:04]} 18. Qxe7 {[%emt 0:00:13]} Rxe7 $11 {[%emt 0:00:01][%mdl 4096] Endgame KRN-KRN} 19. Kf1 {[%emt 0:00:14]} Kf8 {[%emt 0:00:38]} 20. Re1 {[%emt 0:00:09]} h6 {[%emt 0:00:56]} 21. c3 {[%emt 0:00:51]} Rxe1+ {[%emt 0:00:19]} 22. Kxe1 {[%emt 0:00:19] KN-KN} Ke7 {[%emt 0:00:06]} 23. Ke2 {[%emt 0:00:05]} Ke6 {[%emt 0:00:07]} 24. Ke3 {[%emt 0:00:24]} Ke7 {[%emt 0:00:11]} 25. Ke2 {[%emt 0:00:05]} Ke6 {[%emt 0:00:04]} 26. Ke3 {[%emt 0:00:05]} Ke7 {[%emt 0:00:11]} 27. Ke2 {[%emt 0:00:06]} Ke6 {[%emt 0:00:10] An uneventful encounter.   Weighted Error Value: White=0.04 (flawless) /Black=0.04 (flawless)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.8"]
[White "Vilimek, Vit"]
[Black "Davidek, Zdenek"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2018"]
[BlackElo "1957"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 13,65,-5,0,-10,-5,-20,-7,-14,7,-8,32,8,37,27,68,60,56,18,14,-184,-175,-184,0,0,146,141,150,142,136,118,416,416,416,416,450,435,432,401,535,481,467,432,562,460,613,556,737,731,720,716,694,694,1412,1285]} 1. e4 {[%emt 0:00:21]} c5 {[%emt 0:00:04]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:15]} 3. d4 {[%emt 0:00:05]} cxd4 {[%emt 0:00:05]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:04]} e5 {[%emt 0:00:04]} 6. Nxc6 {[%emt 0:00:24]} bxc6 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:00:05]} Bb4 {[%emt 0:00:07]} 8. O-O {[%emt 0:00:04] B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O {[%emt 0:00:18]} 9. f4 {[%emt 0:00:04]} d6 {[%emt 0:00:32] [#]} 10. Kh1 $146 {[%emt 0:00:19] The position is equal.} ({Predecessor:} 10. f5 d5 11. Qf3 Bxc3 12. bxc3 dxe4 13. Bxe4 Nxe4 14. Qxe4 Qd5 15. Qg4 Qc5+ {1-0 Robles,A-Jones,C (1742) CAN/LC2016 ICCF email}) 10... Re8 {[%emt 0:20:33]} 11. Qf3 {[%emt 0:02:40]} (11. fxe5 {keeps more tension.} Ng4 12. exd6 Nxh2 13. Rf4) 11... Qc7 {[%emt 0:05:00]} 12. Bd2 {[%emt 0:03:56]} Rb8 {[%emt 0:03:53]} 13. a3 {[%emt 0:10:55]} Ba5 {[%emt 0:03:50]} 14. b4 {[%emt 0:01:12] fxe5 is the strong threat.} Bb6 {[%emt 0:00:22]} 15. Na4 {[%emt 0:01:08]} d5 {[%emt 0:39:56] Hoping for ...dxe4.} 16. Rae1 {[%emt 0:06:29] [#]} (16. fxe5 $11 dxe4 17. Bxe4 Nxe4 18. Qxe4) 16... dxe4 $1 $19 {[%emt 0:01:16]} 17. Bxe4 {[%emt 0:02:29] [#]} Nxe4 $2 {[%emt 0:00:01]} (17... Ba6 $1 $19 {aiming for ...Rbd8.} 18. fxe5 Nxe4 19. Rxe4 Bxf1 20. Qxf1 c5) 18. Rxe4 $11 {[%emt 0:01:43]} Bd4 {[%emt 0:02:40] Black is now going downhill.} (18... Bf5 $11 19. Rxe5 Bxc2 20. Nxb6 axb6) 19. fxe5 $16 {[%emt 0:07:07]} Bxe5 {[%emt 0:01:54]} 20. Nc5 {[%emt 0:03:54]} f6 {[%emt 0:01:35]} 21. Bf4 {[%emt 0:04:15] White is more active.} Be6 $2 {[%emt 0:01:25][%mdl 8192] Prevents Qb3} (21... Qd6 $16) 22. Bxe5 $18 {[%emt 0:02:26]} fxe5 {[%emt 0:00:06]} 23. Na6 $1 {[%emt 0:02:11][%csl LRb8,LRc7]} Qc8 {[%emt 0:01:27]} 24. Nxb8 {[%emt 0:03:56]} Qxb8 {[%emt 0:05:09]} 25. c4 {[%emt 0:01:13] Prevents Bd5.} a5 {[%emt 0:00:02]} 26. Qc3 {[%emt 0:00:34] White is clearly winning.} axb4 {[%emt 0:00:07]} 27. axb4 {[%emt 0:00:24]} Rf8 {[%emt 0:02:05][%cal Rf8f1]} 28. Rfe1 {[%emt 0:02:09]} Qa7 {[%emt 0:00:41]} 29. Rxe5 {[%emt 0:02:17]} Qf2 {[%emt 0:00:06][%cal Of2f1] ( -> ...Qf1+!)} 30. h3 {[%emt 0:00:15]} (30. Rxe6 $2 {gets mated.} Qf1+ 31. Rxf1 Rxf1#) 30... Bf7 {[%emt 0:02:17]} 31. b5 {[%emt 0:06:11]} cxb5 {[%emt 0:00:11]} 32. cxb5 {[%emt 0:00:10]} Rd8 {[%emt 0:00:15]} 33. Qc7 {[%emt 0:01:23] Weighted Error Value: White=0.31/Black=0.63} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.9"]
[White "Svoboda, Daniel"]
[Black "Kubin, Tomas Daniel"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1748"]
[BlackElo "1936"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 18,51,7,0,25,0,0,0,0,-13,0,-62,0,0,71,62,239,243,244,242,354,335,458,384,383,389,377,374,29986,29987,29987,29988,29988,29989,29993,29994]} 1. e4 {[%emt 0:00:05]} c5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:21]} Nc6 {[%emt 0:00:11]} 3. d4 {[%emt 0:00:22]} cxd4 {[%emt 0:00:17]} 4. Nxd4 {[%emt 0:00:12]} Nf6 {[%emt 0:00:13]} 5. Nc3 {[%emt 0:00:17]} e5 {[%emt 0:00:16]} 6. Nf5 {[%emt 0:01:02]} d5 {[%emt 0:06:06]} 7. exd5 {[%emt 0:00:52]} Bxf5 {[%emt 0:02:12]} 8. dxc6 {[%emt 0:00:14]} bxc6 {[%emt 0:02:12]} 9. Qf3 {[%emt 0:00:57]} Qd7 {[%emt 0:06:18]} 10. Bc4 {[%emt 0:01:48]} Bd6 {[%emt 0:12:50] B33: Sicilian: Pelikan and Sveshnikov Variations.} 11. O-O {[%emt 0:12:56]} O-O {[%emt 0:02:24]} 12. Bg5 {[%emt 0:09:21]} e4 {[%emt 0:07:36] The position is equal.} 13. Qe2 {[%emt 0:03:40] Strongly threatening Bxf6.} Rae8 {[%emt 0:02:16] [#]} (13... Nd5 {simplifies} 14. Bxd5 cxd5 15. Nxd5 Bxh2+ 16. Kxh2 Qxd5 17. Bf4 Qe6) 14. h3 $146 {[%emt 0:13:50] [#]} ({Better is} 14. Bxf6 $11 gxf6 15. Rad1) ({Predecessor:} 14. Bxf6 gxf6 15. Rad1 Qc7 16. Qh5 Bc8 17. Qh4 Bf4 18. Ne2 Be5 19. Ng3 f5 20. c3 {0-1 Lupu,S (2135)-Moal,A (2340) Val Thorens op 1994 (6)}) 14... Bxh3 {[%emt 0:13:43]} 15. Bxf6 $1 $11 {[%emt 0:12:54] Threatens to win with Bh4.} gxf6 {[%emt 0:12:23]} (15... Bg4 $1 $11 16. Qe3 (16. f3 $2 exf3 17. Qd3 gxf6 $19) 16... gxf6) 16. Nxe4 $1 $16 {[%emt 0:08:07]} (16. gxh3 Qxh3) 16... Rxe4 {[%emt 0:07:15] A mistake that costs the game.} 17. Qxe4 $18 {[%emt 0:01:21]} Bf5 {[%emt 0:01:25]} 18. Qh4 {[%emt 0:03:55]} Be5 {[%emt 0:01:55]} (18... Kg7 $142 19. Rad1 Bxc2) 19. Rad1 {[%emt 0:03:43][%cal Ba1d1,Bd1d3,Bd3d7][%mdl 32]} Qb7 {[%emt 0:00:51]} 20. Bd3 {[%emt 0:04:21]} Bg6 {[%emt 0:03:29]} 21. Bxg6 {[%emt 0:04:25]} fxg6 {[%emt 0:00:08]} 22. Rd3 {[%emt 0:01:15] [#] Rfd1 is the strong threat.} Qxb2 $2 {[%emt 0:02:28]} (22... h5 $18 23. Rfd1 Rf7) 23. Rd7 {[%emt 0:01:23][%csl Gd7,LRa7,LRh7][%cal Rh4h7] White mates.} h5 {[%emt 0:01:17]} 24. Qc4+ {[%emt 0:03:38]} Kh8 {[%emt 0:00:07]} 25. Qc5 {[%emt 0:00:39][%cal Rc5f8]} Re8 {[%emt 0:02:40]} 26. Qxa7 {[%emt 0:00:25] Weighted Error Value: White=0.14 (very precise) /Black=0.81} 1-0

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.10"]
[White "Hozda, Max"]
[Black "Zezula, Jakub"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2067"]
[BlackElo "1963"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 20,66,12,9,14,14,23,16,16,11,12,7,14,0,10,-15,9,-6,20,29,106,101,81,89,79,114,166,0,0,0,15,0,0,-85,-78,-81,-77,-69,-76,-289,0,0,0,0,0,0,0,0,0]} 1. Nf3 {[%emt 0:00:06]} d5 {[%emt 0:00:07]} 2. d4 {[%emt 0:01:02]} Nf6 {[%emt 0:00:07]} 3. c4 {[%emt 0:00:37]} c6 {[%emt 0:00:06]} 4. e3 {[%emt 0:00:13]} Bg4 {[%emt 0:00:39]} 5. Nc3 {[%emt 0:00:16]} e6 {[%emt 0:00:08]} 6. h3 {[%emt 0:00:07]} Bh5 {[%emt 0:00:17]} 7. Be2 {[%emt 0:07:37]} Nbd7 {[%emt 0:00:33]} 8. O-O {[%emt 0:05:20]} Be7 {[%emt 0:02:34]} 9. b3 {[%emt 0:00:46]} O-O {[%emt 0:00:49]} 10. Bb2 {[%emt 0:00:18]} Ne4 {[%emt 0:06:45]} 11. Nxe4 {[%emt 0:12:30]} dxe4 {[%emt 0:00:01] A12: English Opening: 1...c6 with b3 by White.} 12. Ne5 {[%emt 0:04:07]} Bxe2 {[%emt 0:00:48]} 13. Qxe2 {[%emt 0:00:04] [#]} f5 $146 {[%emt 0:02:06]} ({Predecessor:} 13... Nxe5 14. dxe5 Qd3 15. Qg4 Rad8 16. Bd4 c5 17. Rfd1 Qc2 18. Rdc1 Qd3 {½-½ Laffont,J (1865)-Shapovalov,S (1732) RC-2018-0-00218 2017}) 14. Nxd7 {[%emt 0:01:26]} Qxd7 {[%emt 0:00:08]} 15. Rad1 {[%emt 0:00:48]} Rad8 {[%emt 0:01:03]} 16. a3 {[%emt 0:01:29]} Bd6 {[%emt 0:02:28]} 17. f4 {[%emt 0:07:16]} Be7 {[%emt 0:08:58]} 18. g4 {[%emt 0:05:19]} fxg4 {[%emt 0:16:27]} 19. hxg4 {[%emt 0:04:07]} Rf6 {[%emt 0:04:05] [#]} (19... Qe8 $11) 20. d5 $1 $16 {[%emt 0:12:14][%mdl 512]} Rh6 {[%emt 0:02:55][%cal Re6d5] [#]} (20... exd5 21. Bxf6) 21. d6 {[%emt 0:03:57]} Bf6 {[%emt 0:02:23]} (21... Bxd6 $2 22. c5 Qe7 23. cxd6 Rxd6 24. Rxd6 Qxd6 25. Rd1 $18) 22. c5 {[%emt 0:02:03]} ({Don't play} 22. g5 Rg6 $11) 22... Rg6 {[%emt 0:03:45]} (22... Bxb2 $16 {was worth a try.} 23. Qxb2 Rh3) 23. Rf2 $2 {[%emt 0:19:44]} (23. Bxf6 $1 $18 gxf6 24. Kf2) 23... Bxb2 $11 {[%emt 0:01:14]} 24. Qxb2 {[%emt 0:00:08] Strongly threatening Rg2.} Rxg4+ {[%emt 0:00:04]} 25. Kf1 {[%emt 0:02:11]} Qf7 {[%emt 0:07:33]} 26. Qc2 {[%emt 0:01:09]} (26. Qe5 $11 {keeps the balance.}) 26... Qh5 $17 {[%emt 0:07:18] ...Rh4 would be deadly.} 27. Qxe4 {[%emt 0:02:57] [#]} Rh4 $1 {[%emt 0:01:38]} (27... Qxc5 $2 28. Qxe6+ Kh8 29. Qxg4 $18) 28. Qxe6+ {[%emt 0:01:42]} Kh8 {[%emt 0:00:09]} 29. Rdd2 $2 {[%emt 0:03:17] [#]} (29. Rd4 $17 {was forced.}) 29... Rh1+ $2 {[%emt 0:08:59]} (29... Qxc5 $2 30. Qe7 Rh1+ 31. Kg2 $18) ({Black should try} 29... Re8 $1 $19 30. Qxe8+ Qxe8) 30. Kg2 $11 {[%emt 0:00:02][%cal Bf1g2,Bg2g3,Bg3f3][%mdl 32] Black must now prevent d7. The position is equal.} Rh2+ {[%emt 0:01:16]} 31. Kg3 {[%emt 0:01:05]} Qh4+ {[%emt 0:00:15]} (31... Rh1 $2 32. d7 $18) 32. Kf3 {[%emt 0:00:09] Some like it hot. Active counter play!} Qh5+ {[%emt 0:00:15]} 33. Kg3 $1 {[%emt 0:02:05]} ({Avoid the trap} 33. Ke4 $2 Re8 $19) 33... Qh4+ {[%emt 0:00:06] Weighted Error Value: White=0.36/Black=0.32} (33... Rh1 $2 34. d7 $18) 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.11"]
[White "Sigut, Ondrej"]
[Black "Tesar, Jakub"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1804"]
[BlackElo "1960"]
[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 14,60,14,10,9,-14,-14,-14,-9,-9,-10,-25,12,0,2,3,14,7,34,6,22,22,25,26,31,21,20,15,32,29,32,33,114,38,51,49,66,45,40,45,42,24,33,6,10,0,0,0,18]} 1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:20]} d6 {[%emt 0:00:08]} 3. Bb5+ {[%emt 0:00:27]} Nd7 {[%emt 0:00:10]} 4. d4 {[%emt 0:01:41]} cxd4 {[%emt 0:00:12]} 5. Qxd4 {[%emt 0:00:53]} a6 {[%emt 0:00:08]} 6. Bxd7+ {[%emt 0:01:25]} Bxd7 {[%emt 0:00:06]} 7. O-O {[%emt 0:01:25]} Nf6 {[%emt 0:00:12]} 8. Bg5 {[%emt 0:02:47]} e6 $1 {[%emt 0:00:13] 8...e6 is better than 8...h6. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 9. e5 {[%emt 0:12:06]} dxe5 {[%emt 0:02:02]} 10. Nxe5 {[%emt 0:01:21]} Bb5 {[%emt 0:09:13][%csl LRd4,LRf1]} 11. Qxd8+ {[%emt 0:03:20]} Rxd8 {[%emt 0:00:07]} 12. c4 {[%emt 0:01:19]} Bc6 {[%emt 0:29:04] [#]} (12... Bd6 $5 {[%cal Rd6e5]} 13. Nxf7 Kxf7 14. cxb5 axb5 $11) 13. Nxc6 $146 {[%emt 0:09:49]} ({Predecessor:} 13. Nc3 Bb4 14. Nxc6 bxc6 15. Ne2 Bd2 16. Bxf6 gxf6 17. Rfd1 Ke7 18. Kf1 f5 19. Nc1 {½-½ Arnott,J (2063)-O'Gorman,T (2376) Hastings Masters op 2022 (3)}) 13... bxc6 {[%emt 0:00:06]} 14. Nc3 {[%emt 0:04:02]} Be7 {[%emt 0:01:08]} 15. Rfd1 {[%emt 0:04:20]} Rd7 {[%emt 0:13:29]} 16. Rxd7 {[%emt 0:11:00]} Kxd7 {[%emt 0:00:07]} 17. Rd1+ {[%emt 0:00:35]} Kc8 {[%emt 0:00:22]} 18. Kf1 {[%emt 0:06:30]} Rd8 {[%emt 0:09:12]} 19. Rxd8+ {[%emt 0:05:00]} Kxd8 $14 {[%emt 0:00:06][%mdl 4096] Endgame KBN-KBN} 20. h3 {[%emt 0:03:52]} Kc7 {[%emt 0:02:15]} 21. Ke2 {[%emt 0:01:45]} Kd6 {[%emt 0:01:39]} 22. Kd3 {[%emt 0:02:32]} e5 {[%emt 0:13:22]} (22... Kd7 $14) 23. b4 {[%emt 0:06:55] White is more active.} (23. Bxf6 $16 gxf6 24. g4) 23... Kc7 {[%emt 0:03:34]} 24. a3 {[%emt 0:04:01]} a5 {[%emt 0:01:13]} 25. c5 {[%emt 0:01:00]} axb4 {[%emt 0:00:09]} 26. axb4 {[%emt 0:00:06]} Ng8 {[%emt 0:01:05]} 27. Bxe7 {[%emt 0:03:15]} Nxe7 {[%emt 0:00:06]} 28. Kc4 {[%emt 0:01:03]} f5 {[%emt 0:00:52] The position is equal.} 29. b5 {[%emt 0:01:00]} cxb5+ {[%emt 0:00:06]} 30. Nxb5+ {[%emt 0:01:02]} Kc6 {[%emt 0:00:07] Weighted Error Value: White=0.10 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "CZE-ch U16 Open 2023"]
[Site "Teplice"]
[Date "2023.03.17"]
[Round "8.12"]
[White "Mohapl, Tomas"]
[Black "Mrazek, Adam"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "1946"]
[BlackElo "1745"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2023.03.09"]
[EventType "swiss"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 16,92,7,0,0,-8,0,0,8,-8,-12,-9,-1,-11,-11,-21,-14,-31,-28,-21,44,6,38,25,56,60,46,52,44,39,43,44,70,74,76,84,62,85,78,0,40,0,158,41,345,118,162,74,187,146,180,163,177,106,450,439,431,208,1394,1397,29988,910,1706,561,546,516,29989,29990,29990,29980,29980,29981,29981,29982,5515,4782,29992,29990,29999]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. Qf3 {9.a4 is a critical line.} a6 {B33: Sicilian: Pelikan and Sveshnikov Variations.} 10. Qa3 Be7 11. Bg5 {[%mdl 64] Deflection} f6 {The position is equal.} 12. Bd2 O-O 13. Bb4 {[%cal Rb4d6]} Qd7 14. O-O-O (14. Bxd6 $2 {is the wrong capture.} axb5 15. Qxa8 Qxd6 $19) (14. Nxd6 a5 15. Bc5 b6 $17) 14... Rd8 15. Kb1 {[%cal Of2f4]} b6 $1 {And now ...Bb7 would win.} 16. Bd2 Qb7 17. Nc3 Bf5 {[#]} (17... Nd7 $11) 18. Be3 $146 ({Predecessor:} 18. Be2 b5 19. Qb4 Nd7 20. g4 Bg6 21. h4 Nb6 22. h5 Bf7 23. Qe4 Nxd5 24. Ka1 {0-1 Appeldorn,D-Kahl,F DESC SZ046 email 2005}) 18... Bg6 19. g4 Nd7 20. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nc5 21. h5 Be8 22. Ne2 Rdc8 23. Ng3 Bd7 24. Nf5 Bf8 25. f4 {White has more active pieces.} b5 26. Bxc5 Rxc5 27. Bg2 ({White should play} 27. fxe5 $16 {h6 would be deadly.} dxe5 28. Qd3) 27... b4 28. Qe3 a5 $2 (28... Bxf5 $11 29. gxf5 Rc3) 29. Be4 (29. fxe5 $1 $16 {Threatens to win with e6.} fxe5 30. Be4) 29... Qc8 $2 {[%mdl 8192]} (29... Re8 $1 $14) 30. Qd3 $2 (30. fxe5 $1 $18 fxe5 31. Rdf1) 30... Bb5 31. Qh3 (31. Qf3 $18) 31... Ba4 (31... exf4 $16 32. Nd4 Bd7) 32. Rd2 Rc4 ({Not} 32... exf4 33. Nd4 $16) 33. Qg2 Bd7 {[#]} 34. Ne3 (34. fxe5 $1 $18 fxe5 35. Rf2) 34... Rc5 $2 {[%mdl 8192] [#]} (34... Rc3 $16 35. Nd1 (35. bxc3 bxc3 36. Rd3 Qb8+ 37. Kc1 Qb2+ 38. Kd1 exf4 $16) 35... Rc5) 35. fxe5 $1 $18 fxe5 36. Bd3 {Black is weak on the light squares} (36. Rf2 $142) 36... a4 $2 (36... Bb5 37. Bxb5 Rxb5) 37. Qe4 {[%csl LRb4,LRh7]} b3 38. cxb3 (38. Qxh7+ $142 Kf7 39. Qg6+ Ke7 40. Qg5+ Kf7 41. Rf2+ Bf5 42. Nxf5 bxc2+ 43. Kc1) 38... axb3 39. a3 (39. Qxh7+ $142 Kf7 40. Rf2+ Ke7 41. a3) 39... g6 40. hxg6 {Intending g7 and mate.} h6 {[#]} (40... Ra4 $18) 41. g7 $1 {[%mdl 512]} Bxg7 (41... Kf7 42. g8=Q+) 42. Qh7+ Kf8 43. Rf2+ {[%cal Bd2f2,Bf2f8,Bf8e8][%mdl 96] Deflection} Ke7 44. Qxg7+ Kd8 45. Rf8+ (45. Rxh6 $2 Rc1#) 45... Be8 46. Bg6 {[%csl Gg6][%cal Rf8e8]} Rxa3 47. Rxe8# {Magnificent play by Mohapl!   Weighted Error Value: White=0.38/Black=0.84} 1-0

[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

