[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

