[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.15"]
[Round "1.16"]
[White "Pisk, Petr"]
[Black "Hari Charan Sai Kalluri"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2328"]
[BlackElo "2160"]
[Annotator "ChessBase"]
[PlyCount "95"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:13]} 2. Nf3 {[%emt 0:00:42]} Nf6 {[%emt 0:00:31]} 3. Bg5 {[%emt 0:01:01]} c5 {[%emt 0:02:47]} 4. e3 {[%emt 0:04:05]} Nc6 {[%emt 0:01:51]} 5. c3 {[%emt 0:02:39]} Ne4 {[%emt 0:05:49]} 6. Bf4 {[%emt 0:01:24]} h6 {[%emt 0:06:41]} 7. h3 {[%emt 0:02:43]} Qb6 {[%emt 0:05:10]} 8. Qb3 {[%emt 0:04:55]} c4 {[%emt 0:10:57]} 9. Qc2 {[%emt 0:11:32]} Bf5 {[%emt 0:02:30]} 10. Qc1 {[%emt 0:00:21]} e6 {[%emt 0:03:02]} 11. Be2 {[%emt 0:06:31]} Be7 {[%emt 0:04:36]} 12. Nbd2 {[%emt 0:01:39]} O-O {[%emt 0:02:26]} 13. O-O {[%emt 0:03:50]} Qa5 {[%emt 0:04:16]} 14. Nxe4 {[%emt 0:02:15]} Bxe4 {[%emt 0:00:57]} 15. Nd2 {[%emt 0:07:26]} Bh7 {[%emt 0:02:32]} 16. e4 {[%emt 0:02:19]} Rad8 {[%emt 0:15:33]} 17. Re1 {[%emt 0:04:32]} f5 {[%emt 0:10:06]} 18. exd5 {[%emt 0:05:51]} exd5 {[%emt 0:00:37]} 19. b4 {[%emt 0:13:38]} Qb6 {[%emt 0:07:43]} 20. a4 {[%emt 0:08:15]} Rd7 {[%emt 0:02:55]} 21. a5 {[%emt 0:07:59]} Qd8 {[%emt 0:01:50]} 22. Bd1 {[%emt 0:02:56]} g5 {[%emt 0:03:47]} 23. Bh2 {[%emt 0:00:07]} Bd6 {[%emt 0:00:38]} 24. Ba4 {[%emt 0:01:56]} Re7 {[%emt 0:02:37]} 25. Bxc6 {[%emt 0:02:33]} bxc6 {[%emt 0:00:02]} 26. Bxd6 {[%emt 0:00:16]} Qxd6 {[%emt 0:00:01]} 27. Rxe7 {[%emt 0:00:49]} Qxe7 {[%emt 0:00:01]} 28. Qe1 {[%emt 0:00:35]} Re8 {[%emt 0:02:07]} 29. Qxe7 {[%emt 0:00:03]} Rxe7 {[%emt 0:00:01]} 30. Kf1 {[%emt 0:00:55]} f4 {[%emt 0:00:23]} 31. Nf3 {[%emt 0:00:02]} Bd3+ {[%emt 0:01:28]} 32. Kg1 {[%emt 0:00:01]} Bg6 {[%emt 0:00:40]} 33. Ne5 {[%emt 0:00:48]} Be8 {[%emt 0:00:04]} 34. Kh2 {[%emt 0:01:28]} Kg7 {[%emt 0:01:37]} 35. g3 {[%emt 0:00:40]} fxg3+ {[%emt 0:00:14]} 36. Kxg3 {[%emt 0:00:15]} Re6 {[%emt 0:00:54]} 37. Re1 {[%emt 0:00:15]} Bg6 {[%emt 0:00:52]} 38. Re3 {[%emt 0:00:37]} Bf5 {[%emt 0:00:30]} 39. Re1 {[%emt 0:01:28]} Kf6 {[%emt 0:00:30]} 40. Re2 {[%emt 0:00:28]} h5 {[%emt 0:00:18]} 41. h4 {[%emt 0:30:20]} Bd3 {[%emt 0:30:43]} 42. Nd7+ {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 43. Rxe6+ {[%emt 0:00:00]} Kxe6 {[%emt 0:00:00]} 44. Ne5 {[%emt 0:00:00]} gxh4+ {[%emt 0:00:00]} 45. Kxh4 {[%emt 0:00:00]} Be2 {[%emt 0:00:00]} 46. Nxc6 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 47. Nb8 {[%emt 0:00:00]} Kd6 {[%emt 0:00:00]} 48. Nxa6 {[%emt 0:00:00]} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.15"]
[Round "1.17"]
[White "Michalek, Jan"]
[Black "Richter, Nils"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2240"]
[BlackElo "2270"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:04]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:15]} e6 {[%emt 0:00:08]} 3. c3 {[%emt 0:01:02]} Nf6 {[%emt 0:00:14]} 4. e5 {[%emt 0:00:23]} Nd5 {[%emt 0:00:08]} 5. g3 {[%emt 0:01:20]} d6 {[%emt 0:01:37]} 6. Bg2 {[%emt 0:03:33]} Nc6 {[%emt 0:04:01]} 7. exd6 {[%emt 0:01:24]} Bxd6 {[%emt 0:00:32]} 8. O-O {[%emt 0:00:30]} O-O {[%emt 0:00:26]} 9. Re1 {[%emt 0:06:47]} Bd7 {[%emt 0:05:11]} 10. Na3 {[%emt 0:03:28]} a6 {[%emt 0:08:09]} 11. Nc4 {[%emt 0:05:12]} Bc7 {[%emt 0:00:40]} 12. a4 {[%emt 0:04:18]} b5 {[%emt 0:14:55]} 13. Nce5 {[%emt 0:05:38]} Nxe5 {[%emt 0:09:08]} 14. Nxe5 {[%emt 0:00:08]} Bxe5 {[%emt 0:00:15]} 15. Rxe5 {[%emt 0:00:05]} Bc6 {[%emt 0:00:22]} 16. d4 {[%emt 0:07:59]} c4 {[%emt 0:09:02]} 17. Qf1 {[%emt 0:07:24]} Qd7 {[%emt 0:01:00]} 18. Bd2 {[%emt 0:00:52]} Nb6 {[%emt 0:03:03]} 19. axb5 {[%emt 0:14:55]} axb5 {[%emt 0:00:17]} 20. Ree1 {[%emt 0:00:26]} Qb7 {[%emt 0:05:04]} 21. Bf4 {[%emt 0:02:12]} Rfd8 {[%emt 0:02:14]} 22. Rxa8 {[%emt 0:06:45]} Rxa8 {[%emt 0:00:25]} 23. Bxc6 {[%emt 0:05:30]} Qxc6 {[%emt 0:00:03]} 24. Ra1 {[%emt 0:00:18]} h6 {[%emt 0:01:38]} 25. h4 {[%emt 0:00:45]} Nd5 {[%emt 0:04:59]} 26. Rxa8+ {[%emt 0:01:45]} Qxa8 {[%emt 0:00:02]} 27. Bd6 {[%emt 0:00:11]} Nf6 {[%emt 0:02:36]} 28. Qe2 {[%emt 0:04:11]} Qd5 {[%emt 0:06:03]} 29. Ba3 {[%emt 0:02:05]} Ne4 {[%emt 0:01:49]} 30. Be7 {[%emt 0:01:28]} Qb7 {[%emt 0:01:38]} 31. Ba3 {[%emt 0:00:32]} Qa8 {[%emt 0:03:46]} 32. Qf3 {[%emt 0:00:38]} Qd5 {[%emt 0:00:33]} 33. Qf4 {[%emt 0:01:48]} Nf6 {[%emt 0:05:08]} 34. f3 {[%emt 0:00:23]} Nd7 {[%emt 0:00:52]} 35. Qc7 {[%emt 0:00:41]} e5 {[%emt 0:03:07]} 36. Bd6 {[%emt 0:04:26]} Qxf3 {[%emt 0:04:40]} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.15"]
[Round "1.18"]
[White "Bomans, Arno"]
[Black "Klek, Hanna Marie"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2246"]
[BlackElo "2341"]
[Annotator "ChessBase"]
[PlyCount "31"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:12]} e6 {[%emt 0:00:02]} 3. Nc3 {[%emt 0:00:12]} Bb4 {[%emt 0:00:11]} 4. Nf3 {[%emt 0:09:17]} Nf6 {[%emt 0:00:09]} 5. Bg5 {[%emt 0:00:39]} h6 {[%emt 0:01:06]} 6. Bxf6 {[%emt 0:00:27]} Qxf6 {[%emt 0:00:08]} 7. Qa4+ {[%emt 0:00:21]} Nc6 {[%emt 0:00:08]} 8. e3 {[%emt 0:00:44]} O-O {[%emt 0:01:50]} 9. Rc1 {[%emt 0:04:41]} a6 {[%emt 0:03:58]} 10. a3 {[%emt 0:05:04]} Bxc3+ {[%emt 0:00:46]} 11. Rxc3 {[%emt 0:00:36]} dxc4 {[%emt 0:01:45]} 12. Qxc4 {[%emt 0:02:28]} e5 {[%emt 0:11:06]} 13. Nxe5 {[%emt 0:06:08]} Nxe5 {[%emt 0:00:08]} 14. dxe5 {[%emt 0:00:05]} Qxe5 {[%emt 0:00:10]} 15. Bd3 {[%emt 0:08:31]} c6 {[%emt 0:05:10]} 16. Qe4 {[%emt 0:01:38]} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.15"]
[Round "1.19"]
[White "Acor, Corey"]
[Black "Vojta, Jakub"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2303"]
[BlackElo "2289"]
[Annotator "ChessBase"]
[PlyCount "61"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:27]} Nf6 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:09]} c5 {[%emt 0:00:04]} 3. Nf3 {[%emt 0:01:05]} g6 {[%emt 0:03:52]} 4. Nc3 {[%emt 0:00:48]} cxd4 {[%emt 0:02:02]} 5. Nxd4 {[%emt 0:00:25]} Bg7 {[%emt 0:00:06]} 6. e4 {[%emt 0:02:43]} d6 {[%emt 0:01:02]} 7. Be2 {[%emt 0:00:59]} O-O {[%emt 0:00:05]} 8. Be3 {[%emt 0:00:28]} Nc6 {[%emt 0:00:37]} 9. O-O {[%emt 0:00:43]} Bd7 {[%emt 0:00:17]} 10. Rc1 {[%emt 0:01:29]} Nxd4 {[%emt 0:02:37]} 11. Bxd4 {[%emt 0:00:22]} Bc6 {[%emt 0:00:19]} 12. b3 {[%emt 0:05:43]} e5 {[%emt 0:04:15]} 13. Be3 {[%emt 0:00:43]} Nxe4 {[%emt 0:00:37]} 14. Nxe4 {[%emt 0:07:46]} Bxe4 {[%emt 0:00:11]} 15. Bf3 {[%emt 0:02:02]} Bc6 {[%emt 0:10:31]} 16. Bd5 {[%emt 0:00:44]} Rc8 {[%emt 0:09:42]} 17. c5 {[%emt 0:07:17]} Bxd5 {[%emt 0:17:17]} 18. Qxd5 {[%emt 0:00:04]} dxc5 {[%emt 0:00:15]} 19. Qxb7 {[%emt 0:01:02]} Qa5 {[%emt 0:01:37]} 20. Rc2 {[%emt 0:00:24]} Rfd8 {[%emt 0:03:17]} 21. Rfc1 {[%emt 0:01:30]} f5 {[%emt 0:10:01]} 22. Bg5 {[%emt 0:04:14]} Re8 {[%emt 0:01:24]} 23. b4 {[%emt 0:00:45]} Qb6 {[%emt 0:08:11]} 24. Qd5+ {[%emt 0:01:32]} Qe6 {[%emt 0:00:56]} 25. Qxe6+ {[%emt 0:00:58]} Rxe6 {[%emt 0:00:05]} 26. Rxc5 {[%emt 0:00:33]} Rxc5 {[%emt 0:00:05]} 27. Rxc5 {[%emt 0:00:36]} Ra6 {[%emt 0:00:46]} 28. Rc8+ {[%emt 0:01:03]} Kf7 {[%emt 0:00:42]} 29. Rc7+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:05]} 30. Rc8+ {[%emt 0:14:29]} Kf7 {[%emt 0:00:04]} 31. Rc7+ {[%emt 0:00:05]} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.15"]
[Round "1.20"]
[White "Meszaros, Andras"]
[Black "Ochedzan, Tymon"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2205"]
[BlackElo "2350"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:07]} c5 {[%emt 0:00:06]} 2. Nf3 {[%emt 0:00:05]} d6 {[%emt 0:00:06]} 3. Bb5+ {[%emt 0:00:25]} Nd7 {[%emt 0:00:26]} 4. c3 {[%emt 0:00:26]} Ngf6 {[%emt 0:04:51]} 5. Qe2 {[%emt 0:00:25]} a6 {[%emt 0:04:39]} 6. Ba4 {[%emt 0:00:22]} b5 {[%emt 0:05:16]} 7. Bc2 {[%emt 0:00:07]} c4 {[%emt 0:00:22]} 8. b3 {[%emt 0:01:02]} Qc7 {[%emt 0:10:10]} 9. Na3 {[%emt 0:07:06]} cxb3 {[%emt 0:04:34]} 10. axb3 {[%emt 0:00:37]} Bb7 {[%emt 0:00:24]} 11. O-O {[%emt 0:01:49]} e5 {[%emt 0:04:01]} 12. d4 {[%emt 0:14:14]} Qxc3 {[%emt 0:05:35]} 13. Bd2 {[%emt 0:01:42]} Qc7 {[%emt 0:02:48]} 14. Bb4 {[%emt 0:08:52]} Be7 {[%emt 0:03:24]} 15. Nh4 {[%emt 0:01:29]} O-O {[%emt 0:04:25]} 16. Nf5 {[%emt 0:00:10]} Rfe8 {[%emt 0:02:59]} 17. Qe3 {[%emt 0:06:22]} Bf8 {[%emt 0:12:53]} 18. Rad1 {[%emt 0:09:49]} exd4 {[%emt 0:04:59]} 19. Qg3 {[%emt 0:00:11]} g6 {[%emt 0:04:42]} 20. Bxd6 {[%emt 0:16:22]} Qb6 {[%emt 0:05:16]} 21. Bxf8 {[%emt 0:08:29]} Kxf8 {[%emt 0:01:46]} 22. Qd6+ {[%emt 0:03:05]} Kg8 {[%emt 0:02:25]} 23. Qxb6 {[%emt 0:01:22]} Nxb6 {[%emt 0:00:04]} 24. Nd6 {[%emt 0:00:06]} Re7 {[%emt 0:00:54]} 25. Nxb7 {[%emt 0:03:07]} Rxb7 {[%emt 0:00:04]} 26. Rxd4 {[%emt 0:02:28]} Rd7 {[%emt 0:00:38]} 27. Rfd1 {[%emt 0:03:56]} Rc8 {[%emt 0:03:12]} 28. Rxd7 {[%emt 0:02:18]} Nfxd7 {[%emt 0:00:26]} 29. Rd4 {[%emt 0:04:48]} a5 {[%emt 0:03:47]} 30. Bd1 {[%emt 0:02:01]} b4 {[%emt 0:02:21]} 31. Nc2 {[%emt 0:00:22]} Rc3 {[%emt 0:01:27]} 32. Ne3 {[%emt 0:00:04]} Nc5 {[%emt 0:01:34]} 33. Rd6 {[%emt 0:00:08]} Nbd7 {[%emt 0:00:15]} 34. Kf1 {[%emt 0:00:17]} Nf8 {[%emt 0:01:23]} 35. Nd5 {[%emt 0:01:52]} Rc1 {[%emt 0:01:13]} 36. Ne7+ {[%emt 0:00:17]} Kg7 {[%emt 0:00:15]} 37. e5 {[%emt 0:01:39]} Nxb3 {[%emt 0:00:37]} 38. Nc6 {[%emt 0:00:13]} Ne6 {[%emt 0:00:44]} 39. Ke2 {[%emt 0:00:36]} Rxc6 {[%emt 0:00:38]} 40. Bxb3 {[%emt 0:00:13]} Rxd6 {[%emt 0:01:20]} 41. exd6 {[%emt 0:30:05]} Nd4+ {[%emt 0:31:43]} 42. Ke3 {[%emt 0:00:46]} Nf5+ {[%emt 0:00:11]} 43. Ke4 {[%emt 0:00:07]} Nxd6+ {[%emt 0:00:21]} 44. Kd5 {[%emt 0:00:06]} Nb5 {[%emt 0:02:38]} 45. Kc5 {[%emt 0:00:18]} Nc3 {[%emt 0:00:07]} 46. Bc4 {[%emt 0:00:04]} Ne4+ {[%emt 0:00:00]} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.16"]
[Round "2.16"]
[White "Hari Charan Sai Kalluri"]
[Black "Ochedzan, Tymon"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2160"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,97,25,51,30,48,57,47,65,64,66,72,77,77,65,73,78,44,30,26,33,58,69,69,40,76,65,112,86,94,76,79,83,91,38,43,0,37,-20,0,0,0,0,0,0,0,-22,0,0,0,0,707,699,671,644,29974,29975,29989,29990,29990,29976,29973,29974,29991,1150,972,1020,29982,29983,29983,1138,29984,650,1010,0,29984,29985,29992,29986,29986,29985,29985,12839,12840,12840,12838,12837,12837,12837]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. g4 {E71: King's Indian: 4 e4 d6 5 h3.} c5 8. Nge2 cxd4 9. Nxd4 {White is slightly better.} Nc5 10. Bg2 Bd7 11. O-O {[#]} Rc8 $146 ({Predecessor:} 11... a6 12. f4 Rc8 13. Rc1 e5 14. Nb3 exf4 15. Bxf4 Nxb3 16. Qxb3 Be6 17. Nd5 Bxd5 18. exd5 {½-½ (96) Paszewski,M (2324)-Efimenko,Z (2631) Warsaw 2019}) 12. Rc1 a6 13. b4 Ne6 14. Qd3 Nxd4 15. Bxd4 Be6 16. Nd5 Nd7 17. Kh1 {White is much more active.} Ne5 18. Qe2 Nc6 (18... Bxd5 $14 19. exd5 Nd7) 19. Bxg7 Kxg7 20. f4 f6 21. Qb2 Kg8 22. Bf3 (22. c5 $16) 22... Bf7 $14 23. Bg2 (23. c5 $14 {is more appropriate.}) 23... e5 24. fxe5 (24. c5 $14) 24... fxe5 25. Nf6+ Kh8 {[%cal Of7c4]} 26. g5 Nd4 27. c5 Be6 28. Qf2 Qe7 {[%cal Rd6c5]} 29. cxd6 Qxd6 30. Qh4 {[%csl Gf6][%cal Rh4h7]} Bg8 {[%mdl 8192] White leaves nothing to chance now.} (30... Qe7 $11) 31. Rxc8 $1 $18 Rxc8 {[#]} 32. Nxh7 $1 {[%mdl 512] Intending Nf8+ and mate.} Nf3 (32... Qc7 33. Nf8+) 33. Rxf3 Bxh7 34. Rf7 {[%csl Gf7,LRb7,LRh7][%cal Rh4h7]} Qd1+ 35. Kh2 {[%csl Gf7][%cal Rh4h7]} Qh5 36. Qg3 Kg8 37. Rf2 (37. Rxb7 $142 Rc2 38. Qb3+ Kh8 39. Qxc2 Qh4 40. Qc7 Qf4+ 41. Kh1 Qc1+ 42. Qxc1 Bg8 43. Qc8 a5 44. Qb8 axb4 45. Qxe5#) 37... Qd1 38. Qxe5 {White threatens Qe6+ and mate.} Rd8 39. Qe6+ Kh8 40. Qf6+ Kg8 41. Qf7+ (41. e5 $142 Rb8 42. e6 Qd6+ 43. Kg1 b6 44. e7 Qxf6 45. gxf6 Kf7 46. Bd5+ Ke8 47. Re2) 41... Kh8 42. Qf6+ (42. e5 $18 Rg8 43. Rf4) 42... Kg8 43. e5 {[%cal Be4e5,Be5e6][%mdl 32] To avoid Qd6} Qd4 44. e6 Qd6+ 45. Kh1 Rf8 {[#]} 46. Qxf8+ (46. e7 $142 $1 Rxf6 47. e8=Q+ Qf8 48. Bd5+ Kh8 49. Qxf8+ Rxf8 50. Rxf8+ Kg7 51. Rf7+ Kh8 52. Rxb7) 46... Qxf8 {White is clearly winning.} 47. Rxf8+ Kxf8 48. Bxb7 Bg8 49. Bd5 {Weighted Error Value: White=0.49/Black=0.42} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.16"]
[Round "2.17"]
[White "Vojta, Jakub"]
[Black "Meszaros, Andras"]
[Result "1-0"]
[ECO "A22"]
[WhiteElo "2289"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,14,70,35,37,58,49,60,56,41,80,21,43,60,41,-12,9,12,45,65,75,68,74,0,0,9,35,25,166,168,135,143,347,337,350,347,347,339,412,357,438,372,380,372,718,693,674,683,972,942,945,945,1530,1492]} 1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. Nf3 e4 (5... Bb6 $11) 6. Ng5 {A29: English Opening: Four Knights Variation with 4 g3.} Bxf2+ $1 7. Kxf2 Ng4+ {[%mdl 64] Discovered Attack} 8. Kg1 $1 {White is slightly better.} Qxg5 9. Nxe4 Qe7 10. e3 (10. Nc3 $16) 10... d6 11. Nc3 $1 {[#]} Nf6 $146 ({Predecessor:} 11... O-O 12. Nd5 Qd8 13. b3 Nce5 14. d4 Ng6 15. h3 Nf6 16. Nxf6+ Qxf6 17. Qf3 Qe7 {1-0 (43) Morrison,G (2315)-Al Hindi,A Graz 1981}) 12. b3 (12. h3 $14) 12... Bg4 13. Qf1 h5 14. h3 Bd7 15. d4 {[%cal Bd2d4,Bd4d5][%mdl 32] Prevents Qe5.} O-O-O 16. b4 ({Better is} 16. Qf2 $16) 16... Nxb4 $11 17. Rb1 Nc6 18. c5 {Strongly threatening d5.} a6 {[#]} (18... d5 $1 $11) 19. d5 $1 $18 Nb8 ({Weaker is} 19... Ne5 20. c6 Nxc6 21. dxc6 Bxc6 22. Bxc6 bxc6 23. Qxa6+ Kd7 24. Qd3 $16) 20. c6 $40 {[%mdl 128] Black is in trouble.} bxc6 {This costs Black the game.} (20... Nxc6 $16 21. dxc6 Bxc6) 21. dxc6 {Rxb8+ would kill now.} Qe5 22. cxd7+ Kxd7 23. Ne2 Rde8 24. Qf3 Qa5 25. Bb2 Qxa2 26. Qf5+ Ke7 $2 (26... Qe6 27. Nd4 Qxf5 28. Nxf5 Rhg8) 27. Bxf6+ {White is clearly winning.} gxf6 28. Nd4 Kf8 29. Kh2 h4 30. g4 ({Avoid the trap} 30. Qxf6 $2 hxg3+ 31. Kg1 Qxb1+ $19) 30... c5 {[#]} 31. Qxf6 $1 {Weighted Error Value: White=0.18 (very precise) /Black=0.43} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.16"]
[Round "2.18"]
[White "Klek, Hanna Marie"]
[Black "Acor, Corey"]
[Result "1-0"]
[ECO "C80"]
[WhiteElo "2341"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,105,31,39,18,20,7,18,1,4,8,56,37,42,43,51,47,40,56,50,37,49,0,54,0,63,-24,251,253,241,246,256,72,243,218,207,212,217,151,131,152,143,156,179,33,11,33,26,0,39,29,78,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,470,451,613,600,964,953,1066,1041,1377,1084,6119,6119,5698,5514,4710,1091]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Nxb3 11. Nxb3 Be7 12. Nbd4 {C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} Nxd4 13. Nxd4 Qd7 14. a4 {[#] The position is equal.} b4 $146 ({Predecessor:} 14... O-O 15. f4 Bg4 16. e6 Bxd1 17. exd7 Bg4 18. f5 Bc5 19. Rf2 Bxd4 20. cxd4 f6 {½-½ (35) Alarcon,J (1932)-De la Vega,R (1487) Asuncion 2015}) 15. f4 {Hoping for f5.} g6 {Inhibits f5.} (15... c5 $11 {should be considered.} 16. f5 cxd4 17. fxe6 Qxe6 18. cxd4 Rc8) 16. f5 gxf5 17. Qd3 {[%cal Rd4f5]} c5 18. Nxf5 c4 19. Ng7+ Kd8 $1 20. Qg3 Kc7 21. b3 (21. Qf2 $14) 21... d4 (21... cxb3 22. cxb4 Rab8 23. Bd2 $16 (23. Qxb3 Rxb4 24. Qd3 Bc5+ 25. Kh1 Rb6 $16)) (21... Rag8 $11) 22. cxd4 ({Don't play} 22. Nxe6+ fxe6 23. cxd4 Raf8 $11) (22. cxb4 $1 $14 Rhg8 23. bxc4) 22... c3 {[#]} ({Don't do} 22... Qxd4+ 23. Be3 Qd3 24. Qf2 $16) (22... Rhg8 $11 23. Nxe6+ fxe6) 23. Be3 (23. Rxf7 $1 $14 Raf8 24. Rxf8 (24. Nxe6+ Qxe6 25. Rg7 Rhg8 $16) 24... Rxf8 25. Nxe6+ Qxe6 26. Qd3) 23... Kc6 $2 {[%mdl 8192]} (23... Rag8 $11 {and Black has nothing to worry.} 24. Nxe6+ fxe6) 24. Nxe6 $18 fxe6 25. Rf7 {Strongly threatening Qf3+.} Rae8 26. Bf2 $2 {Chess con chili.} (26. Qg4 $18) 26... Qd5 $2 (26... Kc7 $16) 27. Qd3 {[%csl LRa6,LRh7]} Kd7 28. Qxa6 Ra8 {Inhibits Qa7+.} 29. Qd6+ Qxd6 30. exd6 Kxd6 31. Bg3+ Kd7 {[#]} 32. d5 (32. Bh4 $1 $18 Rae8 33. a5) 32... Ke8 $14 33. dxe6 Ra6 34. Rf4 {Rc4 is the strong threat.} Rxe6 (34... Rc6 $5 {[%cal Rc3c2]} 35. Rf5 c2 $11) 35. Rc4 Rg8 (35... Kf7 $11 {feels stronger.}) 36. Rc8+ ({White should try} 36. Kf2 $16) 36... Kf7 $11 37. Rf1+ Kg7 38. Rc7 Kg6 39. Re1 Rxe1+ 40. Bxe1 {[%mdl 4096] Endgame KRB-KRB} Bg5 41. h4 Bf4 42. Rc4 Kf5 43. Kf1 h5 44. Bf2 Re8 45. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32] aiming for g3.} Re5 $2 {[%mdl 8192]} (45... Re4 $11 46. Rc8 Be3) 46. a6 $18 {White is clearly winning.} Ra5 47. a7 {Black must now prevent Bb6.} Ra1+ 48. Ke2 Ra2+ 49. Kf3 Be5 50. Rc8 Rxf2+ 51. Kxf2 Bd4+ 52. Kf3 Bxa7 53. Rc4 {Weighted Error Value: White=0.32/Black=0.52} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.16"]
[Round "2.19"]
[White "Richter, Nils"]
[Black "Bomans, Arno"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2270"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,0,0,0,0,5,-7,-19,0,0,0,0,0,0,0,0,0,0,0,6,5,-1,10,18,36,20,39,27,63,23,29,22,33,0,31,18,15,24]} 1. d4 Nf6 2. c4 g6 3. g3 c5 4. dxc5 Qa5+ 5. Nd2 Bg7 6. Bg2 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} Qxc5 7. Ngf3 O-O 8. O-O Nc6 9. a3 {[#]} Qh5 $146 ({Predecessor:} 9... d6 10. h3 Qb6 11. Ra2 d5 12. Qa4 Be6 13. b3 Bd7 14. cxd5 Nxd5 15. Bb2 Ncb4 16. Qxd7 Nxa2 17. Qxd5 Bxb2 {0-1 (25) Klekowski,M (2392)-Swiercz,D (2608) Gorzow Wielkopolski 2014}) 10. h3 d6 11. g4 Qa5 12. b4 Qc7 {[%cal Of6g4]} 13. Bb2 a5 (13... h5 $5 {[%cal Rh5g4]}) 14. Qb3 b6 15. Rfc1 Rb8 16. Nf1 e6 17. Ne3 Qe7 18. Rd1 h6 19. Rac1 {White is more active.} (19. b5 $5 {[%cal Rb5c6]} Na7 20. Qd3 $16) 19... Bb7 20. b5 Na7 21. a4 Rfd8 22. Bd4 Nd7 23. Bxg7 {Weighted Error Value: White=0.06 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.17"]
[Round "3.16"]
[White "Michalek, Jan"]
[Black "Hari Charan Sai Kalluri"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2240"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,38,29,28,33,40,-99,-111,-120,-103,-125,-95,-118,-105,-319,-300,-314,-299,-760,-728,-729,-713,-797,-800,-1336,-412]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 {7...Nbd7 is a critical line.} 8. g4 h6 9. Be3 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5.} Nbd7 {[%cal Bb8d7,Bd7e5,Be5f3][%mdl 32]} 10. Bxe6 fxe6 $17 11. Nxe6 {[%cal Bd4e6,Be6g7,Bg7f5][%mdl 32] Black is better.} Qa5 {...Nc5 is the strong threat.} 12. Nxg7+ Kf7 13. Nf5 Ne5 {[#] Strongly threatening ...Nxe4. Really sharp!} 14. Rg1 $146 {[#]} (14. f3 $17) ({Predecessor:} 14. Nxe7 Bxg4 15. Qxd6 Rad8 16. Qc5 Nf3+ 17. Kf1 Nd2+ 18. Ke1 Qxc5 19. Bxc5 Ndxe4 20. Nxe4 Nxe4 {1-0 (38) Triapishko,A (2221)-Battey,A (2304) Pardubice 2013}) 14... Nxe4 $19 15. Bd4 Bg5 {And now ...Re8 would win.} 16. Kf1 $2 (16. Ne3) 16... Nd2+ {Black is clearly winning.} 17. Kg2 Bxf5 18. gxf5 Nef3 19. Bxh8 Qxf5 {White got outplayed after the opening.  Weighted Error Value: White=1.31/Black=0.00 (flawless)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.17"]
[Round "3.17"]
[White "Bomans, Arno"]
[Black "Pisk, Petr"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2246"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,22,33,31,39,37,52]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} c6 6. e3 h6 7. Bh4 Be7 8. Bd3 O-O 9. Qc2 {9.Nge2 deserves study.} Be6 10. Nge2 Ne8 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 11. Bg3 Nd7 {[#]} {Predecessor:} 12. Nf4 $146 Nd6 13. O-O Nf6 14. Nxe6 fxe6 15. Ne2 Nde4 16. Be5 Re8 17. f3 Ng5 18. Bg6 {1-0 (57) Gretarsson,H (2370)-Kuipers,E Duisburg 1992} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.17"]
[Round "3.18"]
[White "Acor, Corey"]
[Black "Richter, Nils"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2303"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,-25,-25,-25,-35,-18,-72,-79,-79,-70,-73,-70,-111,-115,-118,-129,-143,-138,-144,-153,-140,-139,-140,-119,-117,-116,-127,-127,-195,-192,-189,-162,-368,-352,-331,-359,-359,-356,-469,-485,-501,-507,-506,-426,-439,-408,-500,-503,-609,-609,-589,-567,-518,-370,-719,-707,-677,-670,-729,-670,-602,-588,-677,-677,-677,-677,-666,-651,-635,-635,-625,-620,-613,-601,-29972,-29973,-29973,-29974,-29973,-29974,-29973,-29969]} 1. e4 c6 2. d3 d5 3. Nd2 e5 4. Ngf3 Bd6 5. g3 Nf6 6. Bg2 O-O 7. O-O Re8 8. b3 a5 {B10: Caro-Kann: 2 d3 and 2 c4.} 9. a4 {was the old line (9.a3).} Na6 {[#]} 10. exd5 $146 (10. Bb2 $11) ({Predecessor:} 10. Bb2 Nb4 11. Re1 Qc7 12. h3 dxe4 13. dxe4 b5 14. Nf1 Bc5 15. Qe2 Ba6 16. axb5 cxb5 {1-0 (93) Adams,M (2708)-Dreev,A (2679) Las Vegas 1999}) 10... cxd5 $17 {Black is better.} 11. Bb2 {[#]} Nb4 $1 12. Nb1 Bg4 {And now ...e4 would win.} 13. h3 (13. Qd2 $1 $15) 13... Bxf3 14. Bxf3 {[#]} Qc8 $1 {[%csl LRc2,LRh3]} 15. Nc3 Qxh3 {Hoping for ...Bc5.} 16. Nb5 Rad8 17. Nxd6 Rxd6 18. Ba3 {Threatens to win with c3.} Rdd8 {Black is much more active.} 19. Bg2 Qc8 20. Qd2 Nc6 (20... Nxc2 $2 21. Rac1 $18) 21. c3 (21. Bb2 $17 {might work better.}) 21... Qg4 $19 22. Rfe1 h5 23. Kh2 $2 (23. Bb2) 23... h4 24. Bh3 hxg3+ 25. fxg3 Qh5 26. Kg2 d4 {Strongly threatening ...dxc3.} ({Avoid the trap} 26... e4 $2 27. Qd1 $19) 27. c4 e4 28. dxe4 Rxe4 ({Stronger than} 28... Ne5 29. Qd1 $17) 29. Rxe4 Nxe4 30. Qf4 Qe2+ ({Worse is} 30... Ng5 31. Bg4 Qg6 32. Bf5 $17) 31. Kg1 g5 32. Bf1 gxf4 33. Bxe2 fxg3 34. Kg2 $2 (34. Re1) 34... d3 35. Bf3 f5 {[%cal Bf7f5,Bf5e4][%mdl 32]} 36. Rd1 Ne5 37. Bxe4 fxe4 {[%mdl 4096] Endgame KRB-KRN} 38. Bc1 Rf8 {...Rf2+ is the strong threat.} 39. Re1 d2 40. Bxd2 Rf2+ 41. Kxg3 Rxd2 42. Rxe4 {KRN-KR} Rd3+ 43. Kf4 Nc6 44. Re3 Rxe3 {Black mates.} 45. Kxe3 Kf7 46. Ke4 Ke6 47. c5 Nb4 {White got outplayed after the opening.  Weighted Error Value: White=0.37/Black=0.10 (very precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.17"]
[Round "3.19"]
[White "Meszaros, Andras"]
[Black "Klek, Hanna Marie"]
[Result "1-0"]
[ECO "C85"]
[WhiteElo "2205"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,11,16,36,9,33,20,25,8,8,-10,-14,-10,-18,-22,-24,-21,-21,-34,-15,-23,-38,-35,-20,-16,-2,-29,0,-6,0,0,0,0,0,0,0,0,0,0,0,-16,0,-92,76,111,94,-32,-33,-33,-31,-33,0,0,18,16,577,597,29991,2402,29992,29989,29989,29990,29990,29991,29991,29990,29993,29994,29998,29998]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 O-O 9. Nc4 Bd6 {C85: Closed Ruy Lopez: Deferred Exchange Variation.} 10. a4 c5 11. a5 Re8 {[#] The position is equal.} 12. b3 $146 ({Predecessor:} 12. Nxd6 cxd6 13. Nd2 b5 14. axb6 Nxb6 15. f4 exf4 16. Rxf4 Be6 17. Qh5 Nd7 18. h3 {½-½ (49) Lopez Martinez,J (2540)-Gonzalez Vidal,Y (2507) Catalunya 2009}) 12... Nb8 {[%cal Bd7b8,Bb8c6,Bc6d4][%mdl 32]} 13. Bg5 f6 14. Bd2 Bg4 {[%cal Bc8g4,Bg4h5,Bh5f7][%mdl 32]} 15. h3 Bh5 16. g4 Bf7 17. Nh4 Nc6 18. Nf5 Bf8 19. Nce3 g6 20. Ng3 Bh6 21. Kh1 Nd4 22. Ng2 Bxd2 23. Qxd2 b5 24. axb6 cxb6 25. f4 a5 26. Rf2 Kg7 {[%cal Of7b3]} 27. Raf1 {Black must now prevent fxe5.} Ra7 $1 28. Qe3 b5 29. Nh4 (29. h4 $11) 29... b4 $2 (29... f5 $6 30. Nf3 $11) (29... exf4 $17 {keeps the pressure on.} 30. Rxf4 Re6) 30. fxe5 $16 fxe5 31. Nf3 (31. Rf6 $1 $16 {[%cal Og3h5] Strongly threatening Nh5+!} Qxf6 32. Rxf6 Kxf6 33. Qh6) 31... Bg8 $15 32. Ng5 h6 33. Nf3 a4 34. bxa4 Rxa4 35. g5 ({But not} 35. Nxd4 cxd4 36. Qe1 Qe7 $15) 35... hxg5 {[%mdl 8192] This costs Black the game.} (35... Kh7 $11 {and Black is okay.}) 36. Nxg5 $18 {[%cal Og3h5] White threatens Nh5+! and mate. Pair of Knights!} Ra2 {[#]} 37. Rg1 ({Not} 37. Nf7 $2 Qh4 38. Kh2 (38. Nd6 $2 Re7 $17) 38... Re7 $19) (37. Nh5+ $142 $1 {[%mdl 512]} gxh5 38. Qg3 Kh8 39. Nf7+ Bxf7 40. Rxf7 Qf6 41. R7xf6 Nf5 42. exf5 Ra6 43. Rg1 $1 {[%mdl 512]} Ra7 44. Rh6+ Rh7 45. Qg7#) 37... Kh8 {[#]} 38. Nh5 $1 {[%mdl 512] White mates.} Rf8 {[#]} 39. Nf7+ $1 {[%mdl 512]} Rxf7 40. Rxf7 g5 {[#]} 41. Nf6 $1 {[%mdl 512]} Rxc2 {[#]} (41... Ra1 42. Rxa1) 42. Rxg5 $1 Bxf7 {[#]} (42... Rh2+ 43. Kxh2) 43. Rg8+ $3 {[%mdl 512] Weighted Error Value: White=0.16 (very precise) /Black=0.60} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.17"]
[Round "3.20"]
[White "Ochedzan, Tymon"]
[Black "Vojta, Jakub"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2350"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,61,41,31,40,40,49,41,50,39,48,28,75,45,50,0,0,0,0,-10,-17,-21,0,0,0,-7,21,0,0,0,0,0,0,0,0,0,0,-18,8,0,185,162,735,723,727,721,764,735,1222,1222,1207,1189,1129,1069]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Qd7 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} 7. h5 Ba6 8. Bxa6 Nxa6 {White is slightly better.} 9. Be3 {[#]} c5 $146 ({Predecessor:} 9... O-O-O 10. Nge2 h6 11. Nf4 Ne7 12. Qe2 Kb7 13. a4 Nf5 14. a5 Ra8 15. O-O Be7 {0-1 (60) Kanarek,M (2387)-Sieciechowicz,M (2445) Chotowa 2010}) 10. Nf3 Rc8 (10... h6 $11) 11. a3 {White is more active.} h6 12. Qf4 (12. Nh4 $14) 12... Ne7 $11 13. g4 Nc6 14. Ne2 cxd4 15. Nexd4 Nxd4 16. Nxd4 Be7 17. Qg3 Rc4 18. Rd1 f6 {To avoid g5} 19. exf6 Bxf6 20. c3 e5 21. Nf5 O-O 22. O-O Nc7 {[%cal Ba6c7,Bc7e6,Be6g5,Bg5f3,Bf3d2][%mdl 32]} 23. Rd2 Qe6 24. Re1 {[%cal Oe3d4]} d4 $2 {[#]} (24... Qc6 $11) 25. Bxd4 $1 $18 {aiming for Rde2.} exd4 $2 (25... Qd7) 26. Rxe6 {White is clearly winning.} Nxe6 27. Qd6 {[%csl LRd4,LRe6]} Ng5 28. Qd5+ Kh7 29. Qxc4 Nf3+ 30. Kg2 Nxd2 31. Qd3 {Weighted Error Value: White=0.10 (very precise) /Black=0.28 (precise)} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "4.16"]
[White "Hari Charan Sai Kalluri"]
[Black "Vojta, Jakub"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2160"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,66,-24,-19,-14,-18,-27,-21,-20,-30,-43,-39,-59,-32,-39,15,0,8,-4,-7,-6,2,-6,-4,-8,-21,-25,-8,-28,-17,-47,-21,-42,-37,-44,-26,-20,-30,-28,-28,-86,-92,-84,-88,-182,-191,-195,-181,-297,-304,-310,-259,-316,-334,-464,-467,-463,-448,-1460,-1395]} 1. d4 Nf6 2. c4 c5 3. e3 e6 4. a3 b6 5. Qf3 d5 {[#]} 6. cxd5 $146 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} ({Predecessor:} 6. Bd3 Nc6 7. h3 cxd4 8. exd4 Nxd4 9. Qd1 dxc4 10. Bc2 Bb7 11. Ba4+ b5 12. Bxb5+ Nxb5 13. Qxd8+ Rxd8 {0-1 (34) Hardwick,M (1498)-Maetzig,R (1894) ICCF email 2015}) 6... exd5 7. Bb5+ Bd7 8. Bxd7+ {The position is equal.} Qxd7 9. Ne2 Nc6 10. Nbc3 Be7 11. O-O cxd4 ({Better is} 11... c4 $15) 12. exd4 O-O 13. b4 Rfe8 14. Bf4 Rad8 {[%cal Of6e4]} 15. Rad1 Ne4 16. Nxe4 dxe4 17. Qg3 Qf5 18. Qc3 (18. Rc1 $5 {[%cal Rc1c6]} Qd5 19. Rfd1 $11) 18... Qd5 19. Be3 Bf6 20. Nf4 Qb5 21. Rd2 Rd6 22. Rfd1 Ne7 23. Qb3 a5 24. a4 (24. Rc2 $11 {keeps the balance.}) 24... Qxb4 $17 25. Qxb4 axb4 26. Nh5 (26. Rb1 $17) 26... Nd5 $19 27. Nxf6+ Rxf6 28. Ra1 (28. Rc2 $142) 28... Rc6 29. Rb2 Rec8 30. h3 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 31. Kh2 f4 {Black is clearly winning.} 32. Bd2 Rc2 33. Raa2 (33. Rab1 $142 Rxb2 34. Rxb2) 33... b3 {Weighted Error Value: White=0.42/Black=0.11 (very precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "4.17"]
[White "Klek, Hanna Marie"]
[Black "Ochedzan, Tymon"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2341"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,19,48,43,50,42,63,33,47,38,41,0,96,37,42,33,41,43,41,18,39,39,39,39,39,39,44,41,37,37,37,30,36,35,240,271,223,222,213,160,409,397,600,594,691,691,669,453,453,448,445,427,404,367,277,277,232,232,1182,312,1330,956,1141,594,29954,927,29962,29962,29960,29953,29959,29962,29962,29965,29971,29972,29972,29974,29975,29977,29976,29977,29976,29979,29979,29980,29980,29981,29981,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29983,29983,29984,29984,29985,29985,29985,29984,29984]} 1. d4 Nf6 2. c4 {[%cal Bc2c4,Bc4b5][%mdl 32]} c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6.} Bg7 7. e4 O-O 8. a7 {White is slightly better.} Rxa7 9. Nf3 e6 10. Bf4 (10. Be2 $14 {is more appropriate.}) 10... Na6 (10... Qb6 $11 {keeps the balance.}) 11. Be2 {White is more active.} (11. Bd6 $16) 11... exd5 $14 12. exd5 (12. e5 {with more complications.} Ne4 13. Nxd5 d6 14. O-O g5 15. Be3) 12... d6 13. O-O Nc7 14. Re1 Rb7 15. Qd2 Nfxd5 16. Nxd5 Rxb2 17. Qd1 Nxd5 18. Qxd5 {[#] And now Rac1 would win.} Rxe2 $1 19. Rxe2 Bxa1 {This bishop pair is nice.} 20. Bxd6 {[#]} Bb7 $146 ({Predecessor:} 20... Be6 21. Qxc5 Re8 22. a4 Qd7 23. Qa3 Bg7 24. a5 Qb5 25. Re1 Rc8 26. Be5 Bf8 {1-0 (39) Thybo,J (2479)-Perunovic,M (2608) Heraklion 2017}) 21. Qxc5 ({Of course not} 21. Qxb7 Qxd6 22. g3 Bf6 $15) 21... Bxf3 $2 {This move loses the game for Black.} ({Black should try} 21... Re8 $14 22. Qc7 Bc6) 22. gxf3 $18 Re8 23. Rxe8+ Qxe8 24. Qb4 {Strongly threatening a4.} Kg7 $2 (24... Qa8 $16) 25. a4 Qc6 (25... Qa8 $142 26. Kg2 Bf6) 26. Bf8+ Kf6 27. Qe7+ Kf5 28. Qc5+ Qxc5 29. Bxc5 {[%mdl 4096] Endgame KB-KB} Bc3 {[#]} 30. Bb6 {To avoid Ba5} Ke6 31. a5 {Black must now prevent a6.} Kd7 32. a6 {aiming for a7.} Kc6 33. Be3 f5 $2 (33... Be1 34. Kf1 Bb4) 34. Kf1 $2 (34. f4 Bb4 35. Kf1) 34... Bf6 $2 (34... g5 35. Ke2 (35. Bxg5 Kb6 $18) 35... Bf6) 35. Ke2 g5 36. Kd3 h5 37. Kc4 {Threatening mate with a7.} Bd8 38. a7 {White mates.} Kb7 39. Kd5 f4 40. Bd4 g4 41. Ke4 Bc7 42. fxg4 hxg4 43. f3 gxf3 44. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Bd8 45. h5 Bg5 46. Kxf3 Bh6 47. Kg4 Ka8 48. Kf5 Kb7 49. Kg6 Bf8 50. Kg5 f3 51. Kg4 Bg7 52. Bf2 Ka8 53. Kxf3 Kb7 54. Kg4 Bh6 55. Kf5 Ka8 56. Kg6 Bd2 57. Bh4 Kxa7 58. Bg5 {Weighted Error Value: White=0.27 (precise) /Black=0.36} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "4.18"]
[White "Richter, Nils"]
[Black "Meszaros, Andras"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2270"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,84,14,7,22,20,27,22,19,31,34,25,42,31,37,53,56,15,75,18,25,17,43,37,66,36,72,73,132,37,30,36,20,36,134,140,134,138,134,125,189,189,215,206,199,170,175,185,177,163,184,181,264,258,250,250,252,215,256,245,264,259,336,285,314]} 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O Be7 8. Nc3 O-O 9. b3 Ne4 10. Bb2 Bf6 11. Nxe4 dxe4 12. Nd2 {[%cal Bf3d2,Bd2e4,Be4c5,Bc5d3,Bd3b2,Bb2c4][%mdl 32]} Bxd4 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} 13. Bxd4 cxd4 14. Nxe4 Qe7 {The position is equal.} 15. Rc1 Re8 16. Re1 Bg4 17. Qd2 Rad8 18. Nc5 {[%cal Oc5b7] Black must now prevent Nxb7!} Rd6 19. b4 {[#]} (19. Rc4 $14) 19... Bc8 $146 (19... h6 $11 {keeps the balance.}) ({Predecessor:} 19... b6 20. Ne4 Rg6 21. b5 Na5 22. Qxd4 Rd8 23. Qa4 h6 24. Nc3 Be6 25. Red1 Rg5 {½-½ (65) Garcia Guerrero,I (2311)-Frey Beckman,K (2253) Mexico City 2021}) 20. a4 (20. b5 $16 Ne5 21. Nb3) 20... h6 $11 21. a5 Qd8 {[%cal Od4d3]} 22. Nd3 Ne7 23. Nb2 b6 24. Nc4 Rf6 (24... Re6 $142) 25. e4 (25. Red1 $16) 25... dxe3 $1 $14 26. Rxe3 Qxd2 27. Nxd2 {[%cal Og2c6] Threatens to win with Bc6!} bxa5 {[#] White now steadily converts the win.} ({Black should play} 27... Be6 $14) 28. Rxe7 $1 $16 {[%mdl 576] Remove Defender. White is more active.} Rxe7 29. Rxc8+ Kh7 30. bxa5 Re1+ {[#]} (30... Re2 $16) 31. Bf1 $1 $18 Ra1 32. Rc5 Rd1 33. Nc4 Rc1 34. Kg2 g6 35. Rd5 Kg7 36. Ne3 Re6 (36... a6 $142 37. Bc4 Rc6) 37. a6 Rc7 38. g4 Rb6 39. Bb5 Rc1 40. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Rc3 41. h5 Kf6 42. Bc4 {[%cal Og4g5] Hoping for g5+!} Rb2 {Weighted Error Value: White=0.17 (very precise) /Black=0.26 (precise)} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "4.19"]
[White "Pisk, Petr"]
[Black "Acor, Corey"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2328"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,27,41,39,45,42,53,50,39,48,52,47,123,26,26,21,18,20]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. O-O d6 5. c3 Bd7 6. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Ng6 7. d5 Nb8 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} 8. Bxd7+ Nxd7 9. c4 Be7 {White is slightly better.} 10. Nc3 h6 11. g3 {[#]} Bg5 $146 (11... O-O $14) ({Predecessor:} 11... O-O 12. Be3 Nf6 13. Ne1 Qd7 14. f3 Nh7 15. Nd3 f5 16. exf5 Rxf5 17. Ne4 Raf8 18. Qe2 Bg5 19. Nxg5 Nxg5 20. Bxg5 Rxg5 21. Kh1 Rgf5 22. Kg2 Rg5 {½-½ (22) Hunt,A (2428)-Thorfinnsson,B (2432) Bunratty 2015}) 12. Qe2 (12. Nxg5 $16 {And now Nf3 would win.} hxg5 13. Qg4) 12... Bxc1 $11 13. Raxc1 a5 14. h4 {Weighted Error Value: White=0.24 (precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "4.20"]
[White "Michalek, Jan"]
[Black "Bomans, Arno"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2240"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,124,8,16,25,23,35,32,33,31,69,60,60,49,87,50,55,40,54,48,56,53,53,21,45,51,39,20,27,24,25,12,47,14,20,9,18,7,18,7,7,0,17,0,6,-21,0,-82,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-4,-10,0,0,0,0,0,-51,0,-62,0,0,0,0,0,0,-8,-6,0,-8,0,0,180,-161,-135,-139,-24,-19,-39,-60,-39,-51,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 g6 5. O-O Bg7 6. Bxc6 dxc6 7. d3 Nd7 {B31: Sicilian: 2...Nc6 3 Bb5 g6.} 8. Be3 e5 9. a4 Qe7 {White is slightly better.} 10. a5 Nf8 11. Na4 $1 {White is more active.} Ne6 12. Nd2 Rb8 13. b4 b6 $1 {[#]} 14. Nb3 $146 ({Predecessor:} 14. axb6 axb6 15. bxc5 b5 16. Qb1 f5 17. f3 f4 18. Bf2 Bb7 19. Nb6 Nxc5 20. Ra7 {1-0 (42) Antipov,M (2531)-Yagiz,Y (2252) Konya 2015}) 14... cxb4 15. axb6 axb6 16. Nxb6 O-O 17. Qd2 Nf4 {[%cal Oc8h3]} 18. Nxc8 Rfxc8 19. Ra5 Ne6 $1 20. Rfa1 c5 21. Ra7 Rb7 {[%cal Bb8b7,Bb7c7,Bc7c8,Bc8a8,Ba8a6,Ba6a7][%mdl 32]} 22. Ra8 (22. R7a6 {is more complex.} Rd7 23. Qe2 Rd6 24. Ra8 Qd8 25. R8a4) 22... Rbc7 23. Rxc8+ Rxc8 24. Na5 Ra8 25. Qd1 Ra6 26. Nb3 Ra7 27. f3 Bf6 28. Kf1 Bg5 (28... Ra3 $5 {[%cal Rf6g5]}) 29. Bf2 (29. Rxa7 $11 {keeps the balance.} Qxa7 30. Bf2) 29... Qc7 ({Black should play} 29... Ra3 $17) 30. Rxa7 $11 Qxa7 31. Qa1 Qxa1+ 32. Nxa1 {[%mdl 4096] Endgame KBN-KBN} Be7 33. Nb3 Kf8 34. Na5 Ke8 35. Nc4 f6 36. g3 Kd7 37. Be3 Bd8 38. Ke2 Bc7 39. Kd2 Kc6 40. Kc1 f5 41. Kd2 h5 42. Bf2 Bb8 43. Ke2 Kb5 44. Be3 ({Better is} 44. exf5 $11 gxf5 45. Nd2) 44... Bc7 (44... f4 $15 45. Bf2 fxg3 46. hxg3 Nd4+ 47. Bxd4 cxd4) 45. Kd2 (45. exf5 $11 gxf5 46. Bf2) 45... Bb8 (45... f4 $15 46. Bf2 fxg3 47. hxg3 Nd4 48. Bxd4 cxd4) 46. Kc1 f4 47. Bf2 Ng5 48. Nd2 Nh3 49. Be1 Ka4 50. g4 hxg4 51. fxg4 c4 $2 (51... Ka3 $11 {and Black stays safe.}) 52. Nf3 $4 {[%mdl 8192]} ({Not} 52. Nxc4 f3 53. Bd2 Ba7 $11) (52. dxc4 $18 {was the only winning move. Strongly threatening Kd1.} Ka3 53. Kd1) 52... cxd3 53. cxd3 Kb3 ({Black should try} 53... Ka3 $17 {aiming for ...Bd6.} 54. Kb1 Kb3) 54. d4 $1 exd4 55. Nxd4+ Kc4 56. Nc6 {[%csl LRb4,LRb8] [#]} f3 $1 57. Nxb8 {The position is equal.} f2 58. Bxf2 Nxf2 59. Nd7 Nxe4 60. h4 Kc3 {[#] ( -> ...b3)} 61. Nb6 $1 Kd4 62. Nd7 Kc4 {Weighted Error Value: White=0.18 (very precise) /Black=0.21 (precise)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "5.16"]
[White "Bomans, Arno"]
[Black "Hari Charan Sai Kalluri"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2246"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,77,13,16,29,27,27,25,20,20,29,22,21,7,7,4,10,-15,8,-1,-4,-8,7,-106,-6,-6,-4,-6,0,0,63,78,107,107,147,157,204,188,201,198,204,208,180,27,35,35,71,0,247,222,193,201,296,281,513,516,507,415,535,522,654,597,1167,1082,1410,1439,1785,1891,29950,5297]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. a4 e6 6. g3 Be7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} 7. Bg2 O-O 8. O-O a5 {White has an edge.} 9. b3 Na6 10. Bb2 Nb4 11. Ne5 Nd7 {[#]} 12. Nxd7 $146 ({Predecessor:} 12. Nd3 dxc4 13. bxc4 Nb6 14. Qb3 Nxd3 15. exd3 Bf6 16. Ne2 Nd7 17. d5 Nc5 18. Qc2 Bxb2 19. Qxb2 Nxd3 {1-0 (38) Nguyen,E (1889)-Dumas,C (1868) France 2011}) 12... Qxd7 13. e4 b6 14. Na2 Ba6 15. Nxb4 axb4 16. Qg4 (16. exd5 $11 {keeps the balance.} cxd5 17. cxd5) 16... f5 ({Black should try} 16... dxc4 $17 {Strongly threatening ...c3.} 17. bxc4 Bxc4) 17. exf5 $11 exf5 18. Qe2 Rae8 19. Rfe1 Bf6 (19... Bd6 $11 20. Qc2 Rxe1+ 21. Rxe1 Re8) 20. Qd2 $14 Qd6 21. c5 Rxe1+ 22. Rxe1 bxc5 (22... Qb8 $16 {was called for.} 23. cxb6 (23. Qxb4 bxc5 24. Qxc5 Re8 $16) 23... Qxb6) 23. dxc5 $18 Qxc5 {[#]} 24. Rc1 {To avoid Bc3} Bc3 25. Bxc3 bxc3 26. Qxc3 (26. Rxc3 $18 Qa5 27. Qd4) 26... Qxc3 $11 27. Rxc3 $18 {[%mdl 4096] Endgame KRB-KRB} Bb7 28. f4 ({Better is} 28. b4 $16) 28... Kf7 $2 {[#]} (28... Rb8 $11 {and Black is okay.}) 29. Bxd5+ $1 {[%mdl 512]} cxd5 {KRB-KR} 30. Rc7+ {[%cal Bc3c7,Bc7b7,Bb7b6][%mdl 32]} Kf6 (30... Ke6 $142) 31. Rxb7 {KR-KR} Rc8 $2 (31... Re8 32. Rb6+ (32. Rd7 Ke6 $16) 32... Ke7) 32. Kf2 Rc2+ 33. Ke3 Rxh2 34. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Ra2 35. b4 h5 36. Rb6+ Kf7 37. a6 Ra3+ 38. Kd4 Rxg3 39. Rb5 {Weighted Error Value: White=0.21 (precise) /Black=0.89} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "5.17"]
[White "Acor, Corey"]
[Black "Michalek, Jan"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2303"]
[BlackElo "2240"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,105,12,10,8,15,6,29,-27,-12,-26,18,0,47,24,31,26,27,20,31,31,34,31,36,36,47,25,46,22,31,16,16,0,0,-4,14,14,14,4,22,0,37,37,80,84,97,102,99,102,101,95,96,18,10,11,20,0,0,-42,-56,-63,5,-152,6,0,0,0,0,0,0,0,0,0,0,0,0,0,147,132,134,128,122,118,134,91,782,758,643,624,1592,1412,1127,1011,858,797]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Qa5 7. Qd2 Rb8 8. Nf3 {B26: Closed Sicilian: 3 g3, lines with early Be3.} Bd7 9. O-O {[#]} Nd4 $146 ({Predecessor:} 9... b5 10. d4 b4 11. Nd1 Nf6 12. Ne1 cxd4 13. Bxd4 Nxd4 14. Qxd4 O-O 15. Nf3 Rfc8 {0-1 (59) Hegarty,S (1870)-Djabri,K (2064) West Bromwich 2003}) 10. Bxd4 (10. Rfb1 $142) 10... cxd4 $11 11. Ne2 {[%csl LRa5,LRd4]} Qb6 (11... Qxd2 $142 12. Nxd2 Nf6) 12. a4 a5 (12... e5 $11 {was preferrable.}) 13. c3 {[%cal Re2d4]} dxc3 14. bxc3 Nf6 15. Rfb1 Qc7 16. Nfd4 (16. c4 {is interesting.} O-O 17. Nc3 b6 18. Ra2 Ng4 19. Nb5) 16... O-O 17. Nb5 Bxb5 18. Rxb5 Nd7 19. Rab1 Rfc8 {[%cal Rg7c3]} 20. Qa2 b6 (20... Bxc3 $2 21. Rc1 $18) 21. Bh3 e6 22. d4 Qc4 23. R1b3 Re8 24. Nf4 Bh6 25. Bf1 Qc7 26. Nd3 Nf6 27. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} d5 (27... e5 $14) 28. e5 $16 Nd7 29. f4 Rec8 30. Qf2 Qd8 31. Nb2 Rc6 32. c4 (32. Qe1 $16) 32... dxc4 $1 $11 33. Rc3 Bf8 34. Rxc4 Rbc8 35. Qf3 (35. Rxc6 $11 Rxc6 36. Nc4) 35... Nb8 $1 $15 {White must now prevent ...Rxc4.} 36. Qe4 Bb4 (36... Ba3 $15 37. Rxc6 Nxc6) 37. Rxc6 $2 (37. Kg2 $11) 37... Rxc6 $2 ({Better is} 37... Nxc6 $17 38. d5 Na7) 38. Nd3 {Hoping for d5.} Rc4 39. Nxb4 Rxb4 40. Rxb4 axb4 41. Bc4 Qc7 42. d5 Qc5+ 43. Kg2 exd5 44. Bxd5 {Threatens to win with e6.} Nd7 (44... Kg7 $11) 45. e6 $16 Nf6 {[#]} 46. e7 $1 {[%mdl 512]} Kg7 47. Qe5 $36 {[%mdl 2048] White has strong initiative.} Qc2+ 48. Kh3 Qf5+ $2 {[%mdl 8192] A mistake that costs the game.} (48... Qc8+ $16 49. f5 (49. Kg2 Qc2+ 50. Kh3 Qc8+ 51. Kg2 Qc2+ $16) 49... gxf5) 49. Qxf5 $18 {Active counter play! White is clearly winning.} gxf5 {[#]} 50. Kg2 $1 Ne8 (50... h6 51. Kf3) 51. Bc6 b3 52. Bxe8 {White wants to mate with Bb5.} b2 53. Bb5 {Weighted Error Value: White=0.19 (very precise) /Black=0.26 (precise)} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "5.18"]
[White "Meszaros, Andras"]
[Black "Pisk, Petr"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2205"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,20,0,0,0,0,3]} 1. e4 d5 2. exd5 Nf6 3. c4 c6 {[%cal Bc7c6,Bc6d5][%mdl 32]} 4. d4 cxd5 5. Nc3 g6 6. Bg5 Bg7 7. Nf3 O-O 8. Bxf6 Bxf6 9. cxd5 Nd7 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 10. Bc4 Nb6 {[#] Not much happened in this game.} {Predecessor:} 11. Bb3 $146 Bg4 12. O-O Rc8 13. Rb1 Qd7 14. Re1 Bxf3 15. Qxf3 Bxd4 16. Ne4 Bg7 17. Rbd1 Nc4 18. Bxc4 Rxc4 19. d6 exd6 20. Nxd6 {1-0 (54) Korobov,A (2695)-Sunilduth Lyna,N (2551) Dubai 2017} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "5.19"]
[White "Ochedzan, Tymon"]
[Black "Richter, Nils"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2350"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,60,27,25,31,17,37,35,50,32,47,0,0,10,22,18,56,92,101,94,138,128,127,89,83,0,0,0,0,0,0,0,0,-101,-93,-98,0,0,0,-99,0,-153,-6,-10,-27,-144,0,0,0]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 {Active counter play!} Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 9. Ne2 h5 10. O-O h4 {White is slightly better.} 11. Nf4 Nd7 12. Qd1 (12. Bd2 $14) 12... g6 13. Nxg6 fxg6 14. Bxg6 Re7 15. Qh5 Nf8 16. Bh6 $1 {[#]} Rg7 $146 ({Predecessor:} 16... Be6 17. Rfe1 Qc7 18. Re4 Bxh2+ 19. Kh1 h3 20. Bxf8 Rxf8 21. Rh4 hxg2+ 22. Kxg2 Bd5+ 23. Kf1 Bc4+ 24. Kg2 Bd5+ 25. Kf1 {½-½ (25) Janik,I (2484)-Pultinevicius,P (2552) Legnica 2021}) 17. Bxg7 {Dancing on a razor blade.} Kxg7 18. Bd3 (18. Be8 Be6 19. d5 cxd5 $17) 18... Qd7 19. h3 {Prevents Qg4.} (19. Qxh4 $16 Qg4 20. Qxg4+ Bxg4 21. Rfe1) 19... Qf7 $11 20. Qxh4 Ng6 $1 21. Qh5 {[%cal Od4d5]} f5 22. Rfe1 Bd7 $1 23. Qg5 (23. Qd1 $11 {keeps the balance.}) 23... Rh8 $1 $17 {[%mdl 1024] And now ...Bf4 would win. Black has strong compensation.} 24. Qe3 Nh4 25. Qg5+ Ng6 {Threatens to win with ...Bf4.} 26. Qe3 Nh4 (26... Nf4 $17 {...Qg6 is the strong threat.} 27. Qg3+ Kf8) 27. d5 $2 {[#]} (27. Qg5+ $11 Ng6) 27... c5 ({Black should play} 27... Kf8 $1 $17 {[%cal Oh4g2] Hoping for ...Nxg2!} 28. Qd4 (28. Qg5 $2 Nf3+ 29. gxf3 Rg8 $19) 28... Rh6) 28. Qg5+ $11 Ng6 $1 29. Qe3 (29. Re6 $1 $11 {remains equal.} Bxe6 30. dxe6) 29... Nh4 ({But not} 29... Qxd5 $6 30. Rad1 Bc6 {[#]} 31. Be4 $1 (31. Qg5 Rh5 $17) 31... Qxe4 32. Qxe4 Bh2+ 33. Kxh2 $11) ({Better is} 29... f4 $17 30. Qd2 Qf6) 30. Qg5+ Ng6 $1 {Weighted Error Value: White=0.33/Black=0.25 (precise)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.18"]
[Round "5.20"]
[White "Vojta, Jakub"]
[Black "Klek, Hanna Marie"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2289"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,-2,-9,-19,-9,0,33,11,6,17,7,-4,52,55,49,-14,0,-21,-37,-24,15,13,33,0,99,94,174,64,68,72,66,47,132,150,186,186,185,49,56,12,21,26,101,100,114,99,112,119,99,107,77,113,108,107,258,121,155,120,236,231,222,223,340,323,3358,2751,12839,12839,12840,12840,12841,12840]} 1. Nf3 d5 2. c4 d4 3. b4 f6 4. e3 e5 5. c5 a5 6. Qa4+ {A09: Réti Opening: 1 Nf3 d5 2 c4.} Bd7 (6... Qd7 $5 {[%cal Rd7a4]} 7. b5 Bxc5 $15) 7. b5 $1 dxe3 8. fxe3 {Threatens to win with Bc4. White is slightly better.} Bxc5 9. Bc4 Nh6 {[#]} 10. O-O $146 ({Predecessor:} 10. Nc3 Bf5 11. Bd5 c6 12. bxc6 bxc6 13. Bxc6+ Bd7 14. Bxd7+ Nxd7 15. Rb1 Nf7 16. Ne4 {1-0 (30) Huerga Leache,M (2443)-Iruzubieta Villaluenga,J (2426) Getxo 2017}) 10... Bd6 (10... Bg4 $11) 11. Nc3 $14 {[%mdl 1024] White has compensation.} Bg4 12. d4 ({White should play} 12. Ne4 $14) 12... Nd7 13. Qc2 Nb6 14. Bb3 Qd7 (14... Bxf3 $5 15. Rxf3 f5 $11) 15. dxe5 fxe5 16. Ng5 a4 (16... Be7 $11 {keeps the balance.} 17. Nf3 Rf8) 17. Bf7+ Kd8 (17... Nxf7 $2 18. Rxf7 Qd8 19. Nce4 $18) (17... Ke7 $16) 18. h3 ({White must play} 18. Nce4 $18) 18... Bf5 {[#]} 19. e4 $1 {[%cal Rf1f5]} Nxf7 20. exf5 Bc5+ (20... Nxg5 $1 $14 21. Bxg5+ Kc8) 21. Kh1 $1 $16 Nxg5 22. Bxg5+ Kc8 23. Ne4 (23. Rad1 $18 Bd4 24. f6) 23... Bd4 $1 $14 24. Rac1 (24. Rab1 $1 $14 {might be stronger.}) 24... Kb8 25. Nc5 Bxc5 (25... Qxb5 $11 {remains equal.} 26. Ne6 Nd5) 26. Qxc5 $16 Ra5 27. Rfd1 $40 {[%mdl 128] White attacks with force. White is much more active. Black has bad knights.} Rxb5 28. Rxd7 Rxc5 29. Rxg7 Rxc1+ 30. Bxc1 {[%mdl 4096] Endgame KRB-KRN} Nd5 31. g4 $1 {[%cal Bg2g4,Bg4g5][%mdl 32] And now g5 would win.} e4 $2 {[#]} (31... b5 $16 {might work better.}) 32. Kg2 (32. g5 $1 $18 {and the rest is easy.}) 32... e3 {[#]} 33. g5 {Strongly threatening f6.} ({Worse is} 33. Kf3 Re8 $11) 33... e2 (33... Rf8 $16) 34. Kf2 $18 {Black must now prevent f6.} Re8 35. Bd2 {f6 is the strong threat.} Nf4 (35... e1=Q+ $142 36. Bxe1 Rf8) 36. f6 {[%cal Bf5f6,Bf6f7][%mdl 32]} ({Less strong is} 36. Rxh7 Nd3+ 37. Kf3 e1=Q $16) 36... Nxh3+ $2 (36... Ne6) 37. Ke1 {aiming for f7. White is clearly winning.} Ng1 38. f7 Rc8 39. Rg8 {White wants to mate with Be3.} Nf3+ 40. Kf2 {Weighted Error Value: White=0.25 (precise) /Black=0.35} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.19"]
[Round "6.16"]
[White "Hari Charan Sai Kalluri"]
[Black "Klek, Hanna Marie"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2160"]
[BlackElo "2341"]
[Annotator "RC"]
[PlyCount "31"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:05:44]} d5 {[%emt 0:00:03]} 2. Nf3 {[%emt 0:00:41]} Nf6 {[%emt 0:00:05]} 3. c4 {[%emt 0:00:40]} e6 {[%emt 0:00:08]} 4. Bg5 {[%emt 0:01:22]} h6 {[%emt 0:02:54]} 5. Bh4 {[%emt 0:02:15]} dxc4 {[%emt 0:03:33]} 6. Qa4+ {[%emt 0:04:02]} Nbd7 {[%emt 0:02:15]} 7. Nc3 {[%emt 0:03:11]} c6 {[%emt 0:04:06]} 8. Qxc4 {[%emt 0:00:52]} Bd6 {[%emt 0:08:00]} 9. e4 {[%emt 0:19:51]} e5 {[%emt 0:01:21]} 10. Bg3 {[%emt 0:05:28]} Qe7 {[%emt 0:02:44]} 11. O-O-O {[%emt 0:07:46]} O-O {[%emt 0:01:15]} 12. dxe5 {[%emt 0:01:10]} Bxe5 {[%emt 0:03:57]} 13. Nxe5 {[%emt 0:02:58]} Nxe5 {[%emt 0:00:07]} 14. Qd4 {[%emt 0:00:26]} Re8 {[%emt 0:02:55]} 15. f4 {[%emt 0:18:44]} Ng6 {[%emt 0:00:48]} 16. e5 {[%emt 0:05:06]} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.19"]
[Round "6.17"]
[White "Richter, Nils"]
[Black "Vojta, Jakub"]
[Result "1/2-1/2"]
[ECO "E67"]
[WhiteElo "2270"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,62,46,51,57,39,77,61,165,186,178,113,127,127,103,91,104,21,76,65,78,79,128,54,58,48,186,183,186,182,195,172,196,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O c6 8. e4 Qc7 9. h3 e5 10. Re1 a6 {E69: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4 c6 9 h3.} 11. Be3 Ne8 12. Qc2 {[#]} f5 $146 ({Black should play} 12... b5 $14) ({Predecessor:} 12... exd4 13. Nxd4 Ne5 14. b3 Nd7 15. Rad1 Nc5 16. b4 Ne6 17. Nxe6 Bxe6 18. c5 Rd8 {1-0 (33) Daeschler,F (2322)-Joly,F (1957) Europe Echecs INT 2020}) 13. exf5 $18 gxf5 14. dxe5 (14. Ng5 $18) 14... dxe5 15. Ng5 Qd6 {Prevents Ne6.} 16. c5 {White is much more active. Black has bad knights.} Qg6 17. Kh2 (17. Rad1 $16) 17... Kh8 (17... f4 $11 {remains equal.} 18. Qxg6 hxg6 19. gxf4 exf4 20. Bxf4 Rxf4 21. Rxe8+ Rf8 22. Rxf8+ Nxf8) 18. f4 $36 {[%mdl 2048] White fights for an advantage.} e4 {[#]} 19. Ncxe4 {aiming for Nd2.} h6 {[#]} 20. Nf3 ({White should try} 20. Nd2 $1 $16) 20... fxe4 $14 21. Nh4 $1 {[%csl LRe4,LRg6]} Qh5 (21... Qf7 $1 $14) 22. Bxe4 $18 Ndf6 23. Bf3 Qf7 24. Bf2 Be6 25. Rxe6 $2 Qxe6 $11 {The position is equal.} 26. Re1 Qxa2 27. Ng6+ Kg8 28. Ne7+ Kh8 29. Ng6+ Kg8 30. Ne7+ Kh8 31. Ng6+ Kg8 {Weighted Error Value: White=0.27 (precise) /Black=0.31} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.19"]
[Round "6.18"]
[White "Pisk, Petr"]
[Black "Ochedzan, Tymon"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2328"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,64,-2,13,8,2,-7,22,-22,0,-21,0,-7,0,-65,-62,-87,-10,-70,-59,-74,-81,-65,-69,-75,-75,-75,-56,-53,-52,-83,-80,-79,-78,-78,-78,-89,-60,-145,-144,-174,-89,-89,-89,-89,-59,-59,-56,-74,106,106,643,639,639,637,29997,29998,29999]} 1. d4 Nf6 2. Nf3 c5 3. e3 g6 4. c3 b6 5. Bd3 Bb7 6. O-O {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} Bg7 7. Qe2 O-O 8. Nbd2 (8. e4 {should be considered.}) 8... d6 9. h3 Nbd7 {[#]} 10. a4 $146 ({Predecessor:} 10. b3 Rc8 11. Bb2 Qc7 12. Rac1 Qb8 13. Rfe1 e6 14. c4 cxd4 15. exd4 d5 16. Ne5 {½-½ (33) Tqebuchava,Z (2303)-Sinitsina,A (2057) Chess.com INT 2021}) 10... a6 11. a5 (11. e4 $11) 11... b5 $15 ({Reject} 11... bxa5 12. e4 $11) 12. Re1 Qc7 (12... e5 $17 {Threatens to win with ...e4.} 13. dxe5 dxe5) 13. c4 (13. e4 $1 $11) 13... bxc4 14. Nxc4 Bxf3 15. Qxf3 d5 16. Nb6 Nxb6 17. axb6 Qxb6 18. dxc5 Qxc5 19. Rxa6 Rxa6 20. Bxa6 Rb8 21. Bd3 {[%cal Ba6d3,Bd3b1,Bb1e4][%mdl 32]} Nd7 22. e4 Bd4 {White must now prevent ...Ne5.} 23. Rf1 ({But not} 23. exd5 $2 Ne5 24. Qf4 Bxf2+ $1 {[%mdl 512]} 25. Qxf2 Qxf2+ 26. Kxf2 Nxd3+ 27. Kf1 Nxe1 28. Kxe1 Rd8 $19) ({White should play} 23. Qe2 $15) 23... Ne5 $17 ({Inferior is} 23... Bxb2 24. Bf4 Ne5 25. Qg3 dxe4 26. Bxe4 $17) 24. Qf4 Rb4 (24... Rb6 $1 $19 25. Qd2 Bxf2+ $1 {[%mdl 512]} 26. Kh1 Bd4) 25. Bb1 dxe4 26. Bxe4 Nd7 27. Bd2 Rxb2 28. Rc1 $1 {[%cal Bf1c1,Bc1c8,Bc8f8][%mdl 32]} Bxf2+ {[#]} 29. Kf1 $16 Qd6 {[%mdl 8192] Black cannot hold the game after this.} (29... Qa7 $16 30. Bd5 {[#]} e6 $1) 30. Qxd6 $18 exd6 31. Rc8+ Nf8 32. Bh6 {[%csl Gh6][%cal Rc8f8]} Bc5 33. Rxf8# {Weighted Error Value: White=0.19 (very precise) /Black=0.77} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.19"]
[Round "6.19"]
[White "Michalek, Jan"]
[Black "Meszaros, Andras"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2240"]
[BlackElo "2205"]
[Annotator "ChessBase"]
[PlyCount "37"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:03]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:06]} g6 {[%emt 0:00:09]} 3. c3 {[%emt 0:00:29]} Bg7 {[%emt 0:00:15]} 4. d4 {[%emt 0:00:17]} cxd4 {[%emt 0:00:07]} 5. cxd4 {[%emt 0:00:06]} d5 {[%emt 0:00:07]} 6. e5 {[%emt 0:00:09]} Nc6 {[%emt 0:00:19]} 7. h3 {[%emt 0:00:37]} f6 {[%emt 0:01:09]} 8. exf6 {[%emt 0:02:27]} exf6 {[%emt 0:00:30]} 9. Nc3 {[%emt 0:00:42]} Nge7 {[%emt 0:00:09]} 10. Be2 {[%emt 0:01:22]} O-O {[%emt 0:00:12]} 11. O-O {[%emt 0:00:17]} a6 {[%emt 0:00:46]} 12. Re1 {[%emt 0:15:40]} b5 {[%emt 0:00:35]} 13. Bf1 {[%emt 0:04:28]} Qd6 {[%emt 0:02:45]} 14. a3 {[%emt 0:01:33]} Re8 {[%emt 0:02:40]} 15. b4 {[%emt 0:11:54]} Bf5 {[%emt 0:00:54]} 16. Qb3 {[%emt 0:01:27]} Kh8 {[%emt 0:00:32]} 17. Bb2 {[%emt 0:06:13]} Rad8 {[%emt 0:04:59]} 18. Rad1 {[%emt 0:00:41]} g5 {[%emt 0:02:37]} 19. g3 {[%emt 0:07:42]} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.19"]
[Round "6.20"]
[White "Bomans, Arno"]
[Black "Acor, Corey"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2246"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,88,66,51,65,57,50,53,90,64,79,63,73,78,87,84,97,94,96,90,97,84,123,114,113,129,116,91,85,113,134,116,234,0,0,0,0,-20,0,-24,-23,-26,0,-19,-8,-18,-12,-18,0,0,0,0,0,0,0,0,0,0,21,-63,-62,-66,-12,-45,-48,-60,-43,-432,-421,-548,-434,-567,-567,-558,-508,-621,-610]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 c5 4. f3 Qa5+ 5. c3 Nf6 6. d5 d6 7. e4 g6 8. Na3 Bg7 {A45: Trompowsky Attack.} 9. Nc4 Qd8 10. a4 b6 {White is slightly better.} 11. Qd2 O-O 12. Ne2 {[%cal Bg1e2,Be2g3,Bg3h1,Bh1f2][%mdl 32]} Re8 13. Ng3 {[#]} h5 $146 ({Predecessor:} 13... Na6 14. Be2 Nc7 15. O-O Nd7 16. Kh1 Rb8 17. Rfe1 Bb7 18. Bf1 a6 19. h3 b5 {1-0 (76) Sole Gonzalez,E (1998)-Rodon Balcells,J (1817) Lleida 2019}) 14. Be2 Nbd7 15. O-O a6 16. Nh1 Bb7 17. Nf2 Nh7 18. Bh6 Bxh6 19. Qxh6 b5 20. Ne3 {Strongly threatening f4.} c4 21. f4 e5 22. Bxh5 exf4 {[#]} (22... gxh5 $16 23. Nf5 Qf6) 23. Qxf4 $2 gxh5 $11 24. Nf5 Ne5 $1 25. Nh3 {And now Qg3+ would win.} Kh8 {White must now prevent ...Bc8.} 26. Qh6 {[%csl Gf5,LRd6,LRh5][%cal Rh6g7]} Rg8 {To avoid Qg7+. aiming for ...Bc8.} 27. Qxd6 ({Not} 27. Nxd6 $2 Qb6+ 28. Kh1 Rg6 29. Nxf7+ Nxf7 30. Qxh5 Rf8 31. axb5 {[#]} Rh6 $1 $19) 27... Qxd6 28. Nxd6 Bc8 {Prevents Rf5. Hoping for ...Bxh3.} 29. Nf4 Rd8 30. Nxc8 Raxc8 31. Nxh5 Rc7 32. Rf5 Nd3 33. axb5 axb5 34. Ra6 Kg8 35. Rb6 b4 36. Nf4 (36. cxb4 $11 Nxb2 37. Rc6) 36... bxc3 $1 $15 37. bxc3 Re8 (37... Re7 $15 38. Nxd3 cxd3) 38. d6 Ra7 {( -> ...Ra1+)} 39. Nxd3 cxd3 40. Rd5 $2 {[%mdl 8192]} ({White should play} 40. Rb2 $15) 40... Nf6 $19 {Black is clearly winning.} 41. Rxd3 Ra1+ 42. Kf2 Nxe4+ ({Stronger than} 42... Ra2+ 43. Ke3 $11) 43. Ke2 Nxd6+ 44. Kf3 Nc4 {Quite a comeback for Black.  Weighted Error Value: White=0.48/Black=0.10 (very precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.20"]
[Round "7.16"]
[White "Acor, Corey"]
[Black "Hari Charan Sai Kalluri"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2303"]
[BlackElo "2160"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,61,-3,-3,0,-17,-4,-16,-10,-36,-19,-29,-39,-33,-32,-31,-22,-40,-43,-39,0,0,0,0,0,0,0,0,33,20,59,65,54,66,67,60,54,30,37,40,132,151,434,427,512,509,535,379]} 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Rb8 8. f4 Nge7 9. Nf3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] B26: Closed Sicilian: 3 g3, lines with early Be3.} 10. d4 b4 11. Ne2 Qb6 {[#] The position is equal.} 12. dxc5 $146 ({Predecessor:} 12. e5 Nf5 13. Bf2 Ba6 14. exd6 cxd4 15. d7+ Ke7 16. Rd1 Bxe2 17. Qxe2 Rhd8 18. g4 {1-0 (31) Zabrocki,P (1923)-Ireland,D (1930) Telford 2019}) 12... dxc5 13. e5 Ba6 {aiming for ...Rd8.} 14. Nc1 {[#] Hoping for Qf2.} Nf5 15. Nb3 {To avoid Ncd4} Rd8 16. Qf2 Nxe3 17. Qxe3 c4 {[%csl LRb3,LRe3]} 18. Qxb6 (18. Nc5 $2 Bf8 19. Nd2 Bxc5 $19) 18... axb6 19. Nbd2 c3 20. bxc3 bxc3 21. Ne4 O-O (21... Nb4 $5 {[%cal Rb4c2]} 22. Kf2 Nxc2 $11) 22. Rb1 {[%cal Ba1b1,Bb1b6,Bb6b4,Bb4a4,Ba4c4][%mdl 32] Inhibits Nb4.} Nd4 23. Nxd4 ({Reject} 23. Nxc3 Nxc2+ 24. Kf2 Rd3 25. Rxb6 Bc4 $11) 23... Rxd4 24. Rxb6 Bc4 {[#] Strongly threatening ...Bd5.} 25. Rb4 Rc8 26. Nxc3 Bf8 {A strong pair of Bishops.} 27. Ra4 Bc5 (27... Rd7 $14) 28. Ne4 $16 {Threatens to win with c3.} Bb6 $2 (28... Rcd8 $16 {might work better.} 29. Bf3 (29. Nxc5 Rd1+ 30. Kf2 R1d2+ 31. Kf3 Rxc2 $16) 29... Bb5) 29. Nd6 $18 {White is clearly winning.} Rc5 30. c3 ({Weaker is} 30. Nxc4 Rcxc4 31. Rxc4 Rxc4 $16) 30... Rd3 31. Rxc4 {Weighted Error Value: White=0.04 (flawless) /Black=0.36} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.20"]
[Round "7.17"]
[White "Meszaros, Andras"]
[Black "Bomans, Arno"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2205"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,13,-40,-34,-56,-7,-6,10,3,0,3,10,-12,-12,-22,-11,-59,-60,-53,-52,-100,-102,-97,-95,-103,-89,-104,-83,-84,-90,-93,-89,-101,-106,-106,-108,-108,-101,-103,-113,-121,-122,-148,-154,-154,-149,-150,-147,-154,-148,-175,-182,-162,-187,-187,-166,-165,-141,-187,-162,-188,-189,-198,-197,-212,-212,-338,-330,-338,-283,-283,-261,-638,-541,-29966,-29968,-29967,-29968,-6079,-5057]} 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. h3 O-O 5. e3 d6 6. c4 c5 7. Be2 (7. Nc3 $11) 7... Qb6 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 8. Qb3 Qxb3 (8... Nc6 $15) 9. axb3 $11 Nc6 {The position is equal.} 10. dxc5 dxc5 11. Nc3 {[#] Prevents Ne4.} b6 $146 ({Predecessor:} 11... Bf5 12. g4 Bd7 13. Ne5 Nxe5 14. Bxe5 Bc6 15. O-O Ne4 16. Bxg7 Kxg7 17. Nxe4 Bxe4 {½-½ (24) Lechermann,M (2064)-Terzic,S (2150) Germany 2017}) 12. O-O Bb7 13. Rfd1 Na5 14. Ra3 (14. Nb5 $11) 14... Rfd8 $15 15. Rxd8+ Rxd8 16. Nb5 {[#]} (16. Be5 $15) 16... Ne4 $1 $17 17. Nxa7 Bxb2 18. Ra2 Bf6 {...Nc3 is the strong threat. Black is more active.} 19. Bc7 {[%csl LRb6,LRd8]} Rd7 20. Nb5 Nxb3 21. Ra7 Bc6 22. Bxb6 {[#]} Nc1 $1 23. Kf1 Nxe2 24. Rxd7 {[#] Hoping for Rd8+.} N2g3+ $1 {[%mdl 512]} 25. fxg3 Bxd7 26. Ke1 Be6 27. Nd2 Nxd2 ({Not} 27... Nxg3 28. Nc7 $11) 28. Kxd2 Bxc4 {[%mdl 4096] Endgame KBB-KBN} 29. Nc3 Bf1 30. Nd5 Be5 ({Weaker is} 30... Bxg2 31. Nxf6+ exf6 32. h4 $17) 31. Nxe7+ Kg7 32. Ke1 Bxg2 33. Kf2 Bxh3 {aiming for ...Bd6.} 34. Bxc5 Kf6 35. Nd5+ (35. e4 $17 {is a better defense.}) 35... Kf5 $19 36. Nf4 Bg4 37. Nd3 Bc7 {This bishop pair is nice.} 38. Bd4 Bd1 39. Kg2 (39. Nc5 $142) 39... Bc2 40. Nf2 h5 {Inhibits g4+.} 41. Bc3 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 42. Bd2 $2 (42. Bd4) 42... Be4+ 43. Nxe4 Kxe4 44. Kf2 Kd3 45. Bc1 g4 {Weighted Error Value: White=0.35/Black=0.04 (flawless)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.20"]
[Round "7.18"]
[White "Ochedzan, Tymon"]
[Black "Michalek, Jan"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2350"]
[BlackElo "2240"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,76,35,25,39,27,0,-4,-36,-50,-38,-38,-41,-56,-76,-29,-69,-39,-48,-8,-43,-44,-71,-18,-30,-16,-69,-63,-83,-97,-202,-183,-165,-83,-71,112,11,74,73,66,-205,-187,-2152,-1925,-29994,-5658,-5525,-5119,-2465,-2239,-29986,-29987,-29990,-29989,-29991,-29991,-29991,-29992]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 11. g3 Ne7 12. Nxe7 {B33: Sicilian: Pelikan and Sveshnikov Variations.} Qxe7 13. c4 {[%cal Bc2c4,Bc4b5][%mdl 32]} O-O {[#]} 14. cxb5 $146 {The position is equal.} ({Predecessor:} 14. Bg2 bxc4 15. Nxc4 d5 16. Ne3 d4 17. Nd5 Qd6 18. O-O Rb8 19. Rb1 Rd8 20. Qh5 {0-1 (29) Casares Bonals,A (1772)-Gomez Jurado,L (2185) Llinars del Valles 2021}) 14... d5 15. Bg2 dxe4 16. O-O f5 17. Re1 Rb8 (17... Be6 $17 18. Qh5 Qf6) 18. Bf1 axb5 (18... f4 {with more complications.} 19. Nc4 e3 20. Qd6 exf2+ 21. Kxf2 Qb7) 19. Nxb5 Be6 20. Qe2 Rfd8 21. Rec1 Rd3 ({Better is} 21... Bh6 $17 22. Rc2 Rb7) 22. a4 Qb4 23. Rc3 (23. Qe1 $11 Rd2 24. a5) 23... Rbd8 $1 $15 {Hoping for ...Rd2.} 24. Nc7 Bc8 {Black is more active.} (24... Rxc3 $6 25. bxc3 Qxc3 26. Nxe6 fxe6 27. Rb1 $11) 25. Rc2 (25. Qe1 $17 {was necessary.} Qxb2 26. Nb5 (26. Bxd3 $2 exd3 27. Qc1 Qxc1+ 28. Rcxc1 f4 $19)) 25... f4 {And now ...e3 would win.} 26. a5 fxg3 (26... f3 $1 $19 {[%cal Rf3e2]} 27. Qe1 Qxe1 28. Rxe1 Rd1 29. Rxd1 Rxd1) 27. hxg3 $17 Qd4 $2 (27... e3 $1 $17 {keeps the pressure on. White must now prevent ...Rd2.} 28. a6 (28. Qxd3 $2 Rxd3 29. Bxd3 Qd4 $19) 28... exf2+ 29. Qxf2 e4) 28. Ra3 (28. Nb5 $1 $16 {[%cal Rb5d4]} Qb4 29. Na7) 28... Bf8 (28... Bf5 $11 {keeps the balance.}) 29. Nb5 $16 Qd7 {Threatens to win with ...Ba6.} 30. Qxe4 $2 {[%mdl 8192] This move loses the game for White.} Rd1 $36 {[%mdl 2048] Keeping White busy.} 31. Rb3 $2 ({Avoid the trap} 31. Qxe5 $2 Rxf1+ $1 {[%mdl 512]} 32. Kxf1 Qd1+ 33. Kg2 Bb7+ 34. Kh3 Rd5 35. Qxd5 Bxd5 $19) (31. Rd3 Qh3 32. Rxd1 Rxd1 33. Qg2) 31... Bb7 {[%cal Od7h3] ( -> ...Qh3!)} 32. Qe2 Qd5 (32... Qh3 $142 33. f3 {[#]} Bc5+ $1 {[%mdl 512]} 34. Rxc5 R8d2 35. Rc8+ Bxc8 36. g4 Rxf1+ $1 {[%mdl 512]} 37. Qxf1 Qh2#) 33. f3 Qxb3 34. Rc3 Qd5 {...Qe6 is the strong threat.} 35. Nc7 Qxa5 {Black mates.} 36. Nb5 Qa1 37. Na3 {[#]} Rxf1+ $1 38. Qxf1 Rd1 {Weighted Error Value: White=1.04/Black=0.35} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.20"]
[Round "7.19"]
[White "Vojta, Jakub"]
[Black "Pisk, Petr"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2289"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,109,37,41,20,58,55,56,35,57,45,56,56,72,56,75,33,48,50,55,35,36,29,44,41,44,45,52,52,56,17,52,41,60,58,65,63,69,43,68,22,60,57,65,65,75,34,93,65,81,71,266,264,303,305,307,312,312,312,304,300,253,251,252,243,548,530,518,508,506,225,965,965,1228,1512,1185,877,1025,1016,1009,995,972,944,961,946,913,918,845,769,29970,29971,29966,29967,29979,29980,6452,6079]} 1. Nf3 d6 2. e4 e5 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Be2 O-O 7. O-O Nc6 8. Be3 Re8 9. f4 {C41: Philidor Defence.} Bf8 10. Bf3 Bd7 11. Kh1 {White is slightly better.} Nxd4 12. Bxd4 Bc6 {[%cal Rf6e4]} 13. Qd3 Nd7 14. Rad1 a6 {[#]} 15. b4 $146 (15. a4 $16) ({Predecessor:} 15. Ne2 Qe7 16. Ng3 g6 17. c4 Bh6 18. Bg4 Nf6 19. Bxf6 Qxf6 20. b3 Qh4 21. h3 Re7 22. a4 Rae8 23. Rde1 f5 24. Bxf5 Bxf4 {0-1 (24) Boulay,D (2083)-Rousseau,D (2044) Montreal 2003}) 15... Nb6 16. a3 Qd7 17. Bxb6 (17. Kg1 {feels hotter.} Rad8 18. Rf2 Qe7 19. g3 Na4 20. Nd5) 17... cxb6 18. Nd5 Bxd5 19. Qxd5 Qc7 20. c4 Rac8 21. Bg4 Rcd8 22. Rd4 Be7 23. Rfd1 Bf6 24. R4d3 g6 25. g3 Kg7 26. Kg2 Kg8 27. Kf3 (27. h4 $14 {is more appropriate.}) 27... Kg7 28. h4 h5 29. Bh3 Rh8 30. a4 ({White should try} 30. Kg2 $16) 30... Qb8 (30... Rhe8 $14) 31. a5 {White is more active.} Qc7 32. Rb1 bxa5 $2 {[#] This move loses the game for Black.} (32... Rhf8 $16) 33. bxa5 $18 Rb8 34. Rdb3 {[%cal Rb3b7] Inhibits b6.} ({Not} 34. Qxd6 Qxc4 35. Rb6 Bc3 $16) 34... Qc5 35. Qxc5 ({Weaker is} 35. Rxb7 Qa3+ 36. Kg2 Qa2+ 37. Kf3 Qa3+ 38. Kg2 Qa2+ 39. Kf3 Qa3+ $11) 35... dxc5 36. Rxb7 Rxb7 37. Rxb7 {[%mdl 4096] Endgame KRB-KRB} Bc3 38. Ra7 Rd8 39. Be6 ({Less strong is} 39. Rxa6 Rd3+ 40. Kf2 Rd2+ 41. Kf1 Ra2 $14) 39... Bxa5 $2 (39... Rf8 40. Bd5 Bxa5) 40. Rxf7+ Kh8 41. Bd5 {[#] e5 is the strong threat.} Rb8 42. Rb7 {Prevents Rb3+.} (42. e5 $142) 42... Rf8 $2 (42... Rxb7 43. Bxb7 Kg8) 43. e5 Bd8 44. Ke4 a5 45. Kd3 a4 46. Ra7 Bb6 47. Rxa4 Kg7 48. Ke4 Rb8 49. Ra6 Kf8 50. f5 gxf5+ 51. Kxf5 Bd8 52. Ke6 Bc7 53. Bc6 Bb6 54. Ra8 Rxa8 55. Bxa8 {Weighted Error Value: White=0.17 (very precise) /Black=0.51} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.20"]
[Round "7.20"]
[White "Klek, Hanna Marie"]
[Black "Richter, Nils"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2341"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,94,25,33,29,23,32,27,33,44,9,18,21,14,9,16,16,9,16,7,16,7,17,0,0,0,-198,-197,-218,-177,-180,-176,-175,-185,-222,69,60,124,66,128,0,37,0,0,0,0,0,19,0,0,-51,-51,-50,-51,-51,-37,-51,-42,-52,-44,-44,-26,-29,-37,-51,14,-52,0,0,0,0,0,-15,-18,-37,-40,-37,0,0,27,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Nf6 {[%cal Of8a3]} 8. O-O-O Ne5 $1 {8...Ne5 is better than 8...Be7.} 9. Qg3 {White has an edge.} b5 $1 10. a3 {Black should prevent f4.} (10. f4 $5 {[%cal Rf4e5]} Neg4 11. Bg1 $11) 10... Bb7 {[#]} 11. Bxb5 $1 {Black must now prevent Ba4.} Rc8 $1 (11... axb5 12. Ndxb5 Qb8 13. Bb6 $16) 12. Ba4 (12. Bf4 Nh5 $1 13. Nxe6 (13. Bxe5 $2 Nxg3 14. Bxc7 Nxh1 $19) 13... fxe6 14. Bxe5 Nxg3 $17) 12... Nxe4 13. Nxe4 Bxe4 14. Bf4 Qa5 15. Bxe5 Qxa4 16. Rd2 h5 17. Re1 Bg6 {[%cal Of8b4] [#]} 18. h4 $146 {[#]} (18. Kb1 $11 {and White stays safe.}) ({Predecessor:} 18. Bd6 Qc4 19. b3 Bxd6 20. Qxd6 Qc7 21. Qxc7 Rxc7 22. f4 Kd8 23. Re5 Kc8 24. Ra5 {1-0 (51) Deac,B (2621)-Gordon,S (2516) Benasque 2019}) 18... Bb4 $1 $19 {[%mdl 512]} 19. c3 {[#]} (19. Ree2 Bxd2+) 19... O-O $1 {[%cal Oc8c3] ...Rxc3+! is the strong threat.} 20. Nc2 Be7 21. f4 Rc4 22. Bd4 {[%cal Of4f5] Hoping for f5!} Rxd4 $2 23. Nxd4 $14 {[%cal Of4f5]} Bf6 (23... Bd6 $14) 24. Ree2 (24. f5 $1 $16 {[%cal Rf5g6]} Bh7 25. Qd6 (25. fxe6 fxe6 26. Rf1 Qc4 $14)) 24... Rc8 {[#]} (24... Bh7 $14) 25. Qe3 (25. f5 $1 $16 {[%cal Rf5g6]} Bh7 (25... exf5 26. Qf4) 26. Qf3 $1 (26. fxe6 dxe6 27. Qf3 Bxh4 $11)) 25... Qc4 26. Kd1 {[%cal Bc1d1,Bd1e1,Be1f2,Bf2g2][%mdl 32]} (26. f5 $5 {[%cal Rf5g6]} exf5 27. Qf4 $14) 26... Bxh4 27. g3 $1 {Really sharp!} Bf6 28. Ke1 d6 29. Nf3 Qc6 30. Rd1 (30. Kf2 $11) 30... Bf5 $15 {[%mdl 1024] Black has compensation.} 31. Red2 Bg4 {A strong pair of Bishops.} 32. Kf2 Rb8 33. Re1 Bd8 34. Nd4 Qc8 35. Kg2 Bb6 36. Qe4 {And now Nc6 would win.} d5 37. Qd3 Bd8 ({Better is} 37... a5 $15) 38. Rc1 ({White should play} 38. f5 $1 $11) 38... Bf6 (38... Qb7 $15) 39. c4 $11 dxc4 40. Rxc4 Qb7+ 41. Nc6 (41. Kh2 $5 {[%cal Rd4c6]}) 41... Rd8 ({Much less strong is} 41... Bxb2 42. Qd6 Rc8 {[#]} 43. Qb4 $1 $14 (43. Rb4 Qxc6+ 44. Qxc6 Rxc6 $11)) 42. Qc2 Rxd2+ 43. Qxd2 Bxb2 44. Qb4 Qb5 {aiming for ...Qd5+.} 45. Qxb5 axb5 {The position is equal.} 46. Rb4 {[%csl LRb2,LRb5]} Bxa3 47. Rxb5 Bd6 {Weighted Error Value: White=0.25 (precise) /Black=0.26 (precise)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.21"]
[Round "8.15"]
[White "Redzisz, Michal"]
[Black "Gnojek, Petr"]
[Result "1/2-1/2"]
[ECO "A41"]
[WhiteElo "2261"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,39,0,0,0,0,0,0,0,2,4,31,33,35,6,35,43,43,40,43,42,43,28]} 1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nd7 5. O-O e5 6. dxe5 dxe5 7. e4 Ngf6 8. Nbd2 O-O 9. b3 Re8 10. Bb2 b6 11. Qe2 {A07: Réti Opening: New York and Capablanca Systems.} Bb7 12. Rad1 Qe7 {[#]} 13. Ne1 $146 {The position is equal.} ({Predecessor:} 13. h3 Rad8 14. Nh2 Qc5 15. Nc4 Ba6 16. Ng4 Bxc4 17. bxc4 Nxg4 18. hxg4 Nb8 19. Rd5 {1-0 (55) Guzman Moneo,A (2185)-Sebastian Lorente,M (2085) Zaragoza 1997}) 13... Nc5 14. Ba3 a5 15. Nd3 Ba6 16. Nc4 Nfd7 17. Bh3 {[#] And now Bxd7 would win. White is slightly better.} Bxc4 18. bxc4 {Bxd7 is the strong threat.} Qf6 19. Nxc5 Nxc5 20. Bxc5 {Weighted Error Value: White=0.03 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.21"]
[Round "8.16"]
[White "Hari Charan Sai Kalluri"]
[Black "Richter, Nils"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2160"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,-8,-4,-6,-9,-2,-11,-15,0,0,-8,0,0,0,0,-14,-7,-41,-29,-22,-29,-26,-26,-70,-47,-100,-40,-103,-53,-91,-18,-34,-34,-59,0,0,0,-15,-16,-16,-16,-16,-17,-14,0,0,0,0,-6,-7,-8,-6,-8,-10,-18,-22,-16,-23,-12,-13,-16,-64,-31,-73,-67,-94,-70,-212,-212,-209,-205,-1018,-886,-1368,-916,-7285,-7285,-6464,-6539,-6520,-6512,-6206,-6039,-2443,-1202]} 1. c4 e6 2. Nf3 d5 3. d4 a6 4. Nc3 dxc4 5. a4 Nc6 {[%cal Bb8c6,Bc6a5,Ba5b3][%mdl 32]} 6. e3 $1 {D30: Queen's Gambit Declined: Systems without Nc3.} Na5 7. Ne5 {[%cal Oe5f7]} c5 8. Nxc4 {The position is equal.} Nf6 {To avoid d5} 9. dxc5 {Strongly threatening Qxd8+.} Qxd1+ 10. Kxd1 Nb3 11. Rb1 Bxc5 12. Kc2 Nxc1 {[#]} 13. Kxc1 $146 ({Predecessor:} 13. Rxc1 Bd7 14. Be2 Rc8 15. Ne5 Bb4 16. Kb3 Bxc3 17. bxc3 Bc6 18. Nxc6 Rxc6 19. a5 {0-1 (51) Wanyama,H (2312)-Villegas,P (2358) Chess.com INT 2020}) 13... Bb4 14. Na2 {Pair of Knights!} Be7 15. Nb6 Rb8 16. b4 (16. Kd2 $11 {was preferrable.}) 16... Bd8 17. Nc4 (17. Nxc8 $15 Rxc8+ 18. Kd2) 17... Nd5 (17... Bd7 $17 18. Nc3 Nd5 19. Nxd5 exd5) 18. Kb2 {[#]} (18. Nd6+ $15 Ke7 19. Nxc8+ Rxc8+ 20. Kd1) 18... Be7 (18... O-O $1 $17 19. Kb3 f5) 19. Ka3 b6 (19... b5 $17 20. Ne5 Bd6) 20. Ne5 Bb7 21. e4 Nxb4 22. Nxb4 $11 {Kb3 is the strong threat.} f6 23. Ka2 {Threatens to win with Nbc6.} Bxb4 24. Rxb4 {Black must now prevent Nc4.} fxe5 25. Bc4 Bxe4 26. Bxe6 Bg6 27. Re1 Rf8 28. f3 a5 29. Rg4 Rf4 30. Rxe5 Rxg4 31. Bxg4+ {[%mdl 4096] Endgame KRB-KRB} Kf8 32. Ka3 Rd8 33. Bf5 {To avoid Rd3+} Bf7 34. Rb5 (34. Bxh7 $2 g6 35. Bxg6 Bxg6 $19) 34... Rd6 35. h3 ({Don't blunder} 35. Bxh7 $2 g6 36. Bxg6 Rxg6 $19) (35. Bc2 $11) 35... h6 (35... Be8 $5 {[%cal Re8b5]} 36. Rb3 h6 $11) 36. Be4 (36. Rb2 $15 {is more appropriate.}) 36... Ke7 37. g4 g5 38. Kb2 {[#] This costs White the game.} (38. Rb2 $15) 38... Be8 $1 $19 39. Re5+ Re6 40. Rxe6+ (40. Rd5) 40... Kxe6 {KB-KB. Black is clearly winning.} 41. Kb3 Ke5 42. Ka3 Kf4 43. Kb3 Kg3 44. Bd5 Kxh3 45. Be4 Kg3 46. Bd5 b5 {Weighted Error Value: White=0.52/Black=0.09 (flawless)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.21"]
[Round "8.17"]
[White "Pisk, Petr"]
[Black "Klek, Hanna Marie"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2328"]
[BlackElo "2341"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,137,0,-7,-5,-7,17,0,32,32,32,31,29,18,27,27,30,27,39,35,41,54,52,57,84,96,82,83,64,79,77,0,4,3,26,16,21,18,27,25,47,42,62,47,133,142,135,139,222,253,233,131,129,129,117,127,127,0,0,0,0,0,0,0,0,0,0,0,7,0,23,23,23,24,24,24,24,0,24,0,0,0,0,0,0,4,239,202,249,239,242,8,8,0,8,0,8,8,8,0,45,0,63,8,71,8,8,8,8,8,8,0,8,8,202,202,203,203,1347,1226,29967,29968,29966,29969,29964,4614]} 1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. Nbd2 c5 7. e3 Nc6 8. b3 cxd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 9. exd4 Bd7 10. Bb2 Qb6 {The position is equal.} 11. Re1 {[#]} Rfc8 $146 ({Predecessor:} 11... Rac8 12. Ne5 Rfd8 13. Nxd7 Rxd7 14. c3 Qd8 15. Bf1 Rb8 16. a4 a6 17. b4 b5 {1-0 (56) Azmaiparashvili,Z (2678)-Flear,G (2503) Saint Vincent 2003}) 12. Bf1 Be8 13. c3 a5 {[%cal Oa5a4]} 14. a4 Bf8 15. Bd3 Ne7 16. Ne5 Nf5 17. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Nd6 18. g5 Nfe4 19. Nxe4 dxe4 20. Bxe4 Nxe4 21. Rxe4 f6 22. Nd3 (22. gxf6 $16 gxf6 23. Ng4) 22... Bg6 $11 23. Re3 $36 {[%mdl 2048] And now gxf6 would win. Black is under pressure.} fxg5 24. Ne5 Bf5 25. Ba3 Bxa3 26. Rxa3 Rc7 27. Ra2 {[%cal Ba3a2,Ba2d2,Bd2d5,Bd5d6][%mdl 32]} Rf8 28. Rd2 Qd6 (28... Re7 $14) 29. d5 $1 $16 exd5 30. Rxd5 Qf6 (30... Qb6 $16 {might work better.}) 31. Rd6 $1 $18 Be6 32. Nf3 {Active counter play!} (32. Qe1 $1 $18) 32... Rc6 $16 {aiming for ...Rxd6.} 33. Rexe6 {[%cal Be3e6,Be6d6,Bd6d8,Bd8c8,Bc8c5,Bc5b5][%mdl 32]} Rxd6 34. Rxd6 Qxf3 35. Qxf3 ({White has to play} 35. Qd5+ $16 Qxd5 36. Rxd5) 35... Rxf3 {[%mdl 4096] Endgame KR-KR} 36. Rd8+ Kf7 37. Rc8 Kg6 38. Kg2 Rf6 39. Rc5 b6 40. Rb5 Kh5 41. Kg3 h6 42. h4 Rd6 43. hxg5 hxg5 44. c4 {White wants to play f4.} Kg6 45. Rd5 Rf6 46. c5 bxc5 47. Rxc5 Rd6 48. Rxa5 Rd3+ 49. Kg4 Rxb3 $2 (49... Rd4+ $11 50. Kf3 Rd3+ 51. Kg4 Rd4+ 52. Kh3 Rd3+ 53. Kg4) 50. Rxg5+ $18 Kh6 51. Rb5 {Prevents Rb4+.} Ra3 52. Rb4 (52. Rb6+ $18 g6 53. Ra6) 52... g6 $11 53. Kf4 Ra2 54. f3 Ra3 55. Kg4 Ra1 56. Kf4 Ra3 57. Kg4 Ra1 $1 58. f4 (58. Rc4 $14) 58... Kg7 (58... Ra3 $11 {remains equal.}) 59. Rb7+ ({White should play} 59. Kf3 $1 $16 {[%cal Rf3e4]}) 59... Kf6 60. Rb6+ Kf7 61. Ra6 Ra3 62. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Kg7 63. Ra8 {Threatens to win with f5.} (63. Kg5 $6 Rg3+ 64. Kh4 Rf3 $16) 63... Kf6 $2 {Inhibits f5.} (63... Kf7 $1 $11 {and Black is okay.}) 64. a6 $18 Kg7 {[#]} 65. f5 $1 {[%cal Bf4f5,Bf5f6][%mdl 32] Strongly threatening fxg6.} Kf7 $2 (65... Ra5 66. fxg6 Kxg6) 66. Kg5 {White threatens Ra7+ and mate.} (66. a7 gxf5+ 67. Kf4 (67. Kxf5 Kg7 $11) 67... Ra4+ 68. Kg5 (68. Kxf5 Kg7 $11) 68... Kg7 $11) 66... Rg3+ 67. Kf4 {White mates.} Ra3 68. a7 Kg7 {[#]} 69. f6+ $1 {Weighted Error Value: White=0.22 (precise) /Black=0.19 (very precise)} ({And not} 69. fxg6 Ra5 $11) 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.21"]
[Round "8.18"]
[White "Michalek, Jan"]
[Black "Vojta, Jakub"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2240"]
[BlackElo "2289"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,98,-15,-15,33,25,25,-31,-29,-34,-31,-36,-25,-54,-24,-27,-16,-26,-20,-64,-65,-79,-85,-80,-61,-143,-142,-173,-170,-175,-183,-204,-153,-173,-128,-204,-95,-106,-99,-107,-113,-100,-87,-141,-131,-131,-81,-92,-64,-106,-99,-125,33,0,0,-17,5,0,155,52,49,-14,-15,-44,-45,-47,-58,-44,-21,-99,-33,-83,-63,-68,-40,-98,-89,-180,-179,-166,-160,-275,-239,-224,-205]} 1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 Be7 5. Bg2 d5 6. d3 Nf6 7. O-O O-O 8. e5 Nd7 9. c4 b5 {C00: French: Unusual White 2nd moves.} (9... a6 $11 {is superior.}) 10. cxb5 $14 Na5 11. Nc3 (11. Qc2 $11) 11... a6 $15 {Black is slightly better.} 12. bxa6 Bxa6 13. Rd1 Nc6 14. h4 Rb8 15. Bf4 Rb4 {[#]} 16. b3 $146 ({Predecessor:} 16. Rac1 h6 17. b3 Re8 18. Na4 Rb8 19. Qd2 Nb4 20. Bf1 d4 21. Ra1 Nd5 22. Bg2 {1-0 (50) Maiwald,J (2452)-Atlas,D (2174) Austria 2018}) 16... Bxh4 17. a3 (17. Nxh4 $11 {might be stronger.} Rxf4 18. gxf4 Qxh4 19. Qf3) 17... Rxb3 18. Qc2 {[#]} Rxc3 19. Qxc3 Be7 20. d4 {[#]} (20. Qc2 $15) 20... Be2 $1 $17 21. Re1 Bxf3 22. Qxf3 Nxd4 23. Qd3 Qa5 (23... Bg5 24. Bxg5 Qxg5 25. f4) 24. a4 Nb8 {Pair of Knights!} (24... Qa7 $19 25. Qd1 c4) 25. Bd2 (25. Be3 $17 {was called for.}) 25... Qa6 (25... Qc7 $19 {is more deadly.} 26. Bc3 Nb3) 26. Qxa6 Nxa6 27. Rab1 c4 28. Rb7 Nb3 29. Bf4 (29. Rd1 $142 Nxd2 30. Rxd2) 29... Bc5 30. Rb1 Nb4 (30... Bd4 $142 {aiming for ...Nac5.} 31. R1xb3 cxb3 32. Rxb3 Nc5) 31. Bf1 h6 32. Rb5 (32. Be2 $15) 32... Rc8 33. a5 {[#]} Rc6 $2 {Black is much more active.} (33... Bf8 $1 $17 34. Bc1 Ra8) 34. Rb8+ {[%mdl 1024] White has compensation.} (34. Be3 $5 {[%cal Re3c5]} Bf8 35. Rb8 $14) 34... Kh7 35. Rb7 Kg8 36. Rb8+ Bf8 $2 ({Better is} 36... Kh7 $11) 37. Be3 (37. Bc1 $16 {Black must now prevent Ba3.} Nxc1 38. R1xb4 (38. Rxc1 g5 $11)) 37... g5 $1 $14 38. Ra8 (38. Kg2 $14) 38... Kg7 $1 $11 39. a6 Nxa6 {Chess con chili.} ({Reject} 39... Rxa6 40. Rxa6 Nxa6 41. Rxb3 cxb3 42. Bxa6 $11) 40. Rxa6 Rxa6 41. Rxb3 $1 Ra1 42. Rc3 (42. Rb2 $11) 42... Bb4 (42... Kg6 $17 43. Rc2 Kf5) 43. Rc1 (43. Rc2 $15) 43... Rxc1 44. Bxc1 Kg6 $1 45. f4 ({White should try} 45. Be2 $15) 45... Kf5 46. Kf2 (46. Be2 $17 {might work better.}) 46... g4 $19 47. Be3 h5 48. Be2 (48. Bg2 $17 {keeps fighting.}) 48... Ke4 {[%cal Ob4e1]} 49. Bb6 c3 {Weighted Error Value: White=0.32/Black=0.24 (precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.21"]
[Round "8.19"]
[White "Bomans, Arno"]
[Black "Ochedzan, Tymon"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "2246"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,86,12,19,25,25,27,12,14,8,18,20,16,25,-35,-53,-45,-49,-68,-79,-127,-78,-104,-116,-124,-70,-207,-204,-199,-213,-283,-254,-319,-320,-314,-260,-279,-266,-306,-235,-490,-267,-231,-236,-233,-216,-218,-213,-201,-156,-279,-210,-310,-340,-294,-299,-512,-450,-452,-445,-581,-579,-1197,-1177,-1456,-1338,-1443,-1340,-1289,-1695,-1331,-1670,-1536,-1461,-1860,-1741,-29984,-29985,-29986,-29987]} 1. d4 Nf6 2. Bg5 c5 3. Nc3 cxd4 4. Qxd4 Nc6 5. Qh4 e6 6. e4 {A45: Trompowsky Attack.} Be7 7. f4 Qb6 8. O-O-O {The position is equal.} Qe3+ 9. Kb1 Nxe4 10. Nxe4 Qxe4 11. Bxe7 (11. Nf3 $11) 11... Nxe7 $15 12. Bd3 {[#]} Ng6 $1 $40 {[%mdl 128] [#] ...Qxd3 is the strong threat. Black has some attack.} 13. Qh3 $146 (13. Bxe4 Nxh4) ({Predecessor:} 13. Qh5 Nxf4 14. Qxf7+ Kxf7 15. Bxe4 Ke7 16. c4 Nh5 17. Ne2 Nf6 18. Bf3 Rb8 19. Nd4 {0-1 (40) Pajeken,W (2290)-Rogozenco,D (2495) Hamburg 1998}) 13... Qxf4 14. Ne2 (14. Bxg6 $142 fxg6 15. Qa3) 14... Qe5 ({Black should try} 14... Qh4 $1 {Threatens to win with ...Qxh3.} 15. Qe3 O-O) 15. Rhe1 {[#]} O-O $1 16. Nc3 Qa5 ({Better is} 16... Qf4 $17 17. Rf1 Qg5 18. Bxg6 Qxg6) 17. Re4 {This move loses the game for White.} (17. Ne4 $15) 17... d5 $19 18. Qh5 {[%cal Oe4h4]} f5 19. Ra4 Qc5 20. g4 Bd7 21. gxf5 exf5 22. Ra3 Rae8 23. Ne2 Re5 24. Rc3 $2 (24. Qf3) 24... Qe7 (24... Qf2 $142 25. Qh3 Rxe2 26. Bxe2 Qxe2) 25. Qf3 Bc6 {[%cal Od5d4]} 26. Nd4 Qf6 ({Weaker is} 26... Re3 27. Qf2 Qe5 28. Nxc6 bxc6 29. Rxc6 $17) 27. a3 f4 28. Qf2 Kh8 29. Rg1 (29. Rf1 $17) 29... Ne7 30. Nf3 (30. Rf1 {was called for.}) 30... Re3 31. Ng5 {[#]} g6 $1 ({Inferior is} 31... h6 32. Nh7 Qf7 33. Nxf8 Qxf8 34. Rg4 $11) 32. h4 $2 (32. Qh4 h5 33. a4) 32... d4 33. Rc5 {[%cal Oh4h5]} h6 34. Qh2 {[%cal Oh4h5]} f3 {[%cal Bf4f3,Bf3f2][%mdl 32]} 35. Nh7 Kxh7 36. h5 f2 37. hxg6+ Kg7 {Hoping for ...Re1+.} 38. Rf1 Re1+ 39. Ka2 Rxf1 40. Bxf1 Nd5 {And now ...Qe6 would win.} 41. b3 Qe7 42. Rc4 Ne3 43. Rc5 Nxf1 {Weighted Error Value: White=0.63/Black=0.22 (precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.22"]
[Round "9.16"]
[White "Meszaros, Andras"]
[Black "Hari Charan Sai Kalluri"]
[Result "1-0"]
[ECO "B87"]
[WhiteElo "2205"]
[BlackElo "2160"]
[Annotator "ChessBase"]
[PlyCount "223"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:03:52]} 2. Nf3 {[%emt 0:00:01]} d6 {[%emt 0:00:09]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:07]} a6 {[%emt 0:00:03]} 6. Bc4 {[%emt 0:00:22]} e6 {[%emt 0:00:03]} 7. Bb3 {[%emt 0:00:10]} b5 {[%emt 0:00:05]} 8. Bg5 {[%emt 0:00:23]} Be7 {[%emt 0:00:27]} 9. Qf3 {[%emt 0:00:14]} Qc7 {[%emt 0:04:59]} 10. O-O-O {[%emt 0:00:19]} O-O {[%emt 0:01:52]} 11. e5 {[%emt 0:00:29]} Bb7 {[%emt 0:01:29]} 12. exf6 {[%emt 0:00:20]} Bxf3 {[%emt 0:04:34]} 13. fxe7 {[%emt 0:00:13]} Re8 {[%emt 0:01:58]} 14. gxf3 {[%emt 0:00:10]} d5 {[%emt 0:13:35]} 15. Rhg1 {[%emt 0:01:07]} Rxe7 {[%emt 0:45:14]} 16. Bxe7 {[%emt 0:06:32]} Qxe7 {[%emt 0:00:50]} 17. Nxd5 {[%emt 0:15:40]} Qh4 {[%emt 0:02:48]} 18. Rg4 {[%emt 0:01:15]} Qxh2 {[%emt 0:05:20]} 19. Nb6 {[%emt 0:13:22]} h5 {[%emt 0:03:58]} 20. Re4 {[%emt 0:05:49]} Ra7 {[%emt 0:00:09]} 21. a4 {[%emt 0:01:30]} e5 {[%emt 0:03:31]} 22. Nf5 {[%emt 0:02:12]} Qxf2 {[%emt 0:01:34]} 23. Rd8+ {[%emt 0:04:42]} Kh7 {[%emt 0:00:02]} 24. Rxb8 {[%emt 0:00:09]} Qf1+ {[%emt 0:01:22]} 25. Kd2 {[%emt 0:00:09]} Qxf3 {[%emt 0:00:09]} 26. Nd6 {[%emt 0:00:12]} f5 {[%emt 0:02:28]} 27. Bd5 {[%emt 0:03:58]} Qf2+ {[%emt 0:00:29]} 28. Re2 {[%emt 0:02:50]} Qd4+ {[%emt 0:00:36]} 29. Kc1 {[%emt 0:00:10]} Qf4+ {[%emt 0:01:16]} 30. Rd2 {[%emt 0:00:32]} e4 {[%emt 0:01:10]} 31. Bg8+ {[%emt 0:00:46]} Kh6 {[%emt 0:00:53]} 32. Nd5 {[%emt 0:00:35]} Qf3 {[%emt 0:00:48]} 33. Be6 {[%emt 0:01:41]} g6 {[%emt 0:00:34]} 34. Rh8+ {[%emt 0:00:46]} Kg5 {[%emt 0:00:30]} 35. Rd1 {[%emt 0:02:18]} e3 {[%emt 0:00:28]} 36. Rg1+ {[%emt 0:23:48]} Kh4 {[%emt 0:00:01]} 37. Re1 {[%emt 0:00:42]} e2 {[%emt 0:00:58]} 38. Kd2 {[%emt 0:00:45]} Rd7 {[%emt 0:00:32]} 39. Nxf5+ {[%emt 0:03:36]} gxf5 {[%emt 0:00:06]} 40. Bxd7 {[%emt 0:01:05]} Qxd5+ {[%emt 0:00:14]} 41. Kc1 {[%emt 0:30:22]} Qxd7 {[%emt 0:30:52]} 42. Rxe2 {[%emt 0:02:10]} Qf7 {[%emt 0:00:31]} 43. axb5 {[%emt 0:00:46]} axb5 {[%emt 0:00:04]} 44. Rg2 {[%emt 0:01:53]} Kh3 {[%emt 0:00:00]} 45. Rg1 {[%emt 0:00:00]} Kh4 {[%emt 0:00:00]} 46. Rhg8 {[%emt 0:00:00]} Qd5 {[%emt 0:00:00]} 47. R8g2 {[%emt 0:00:00]} Kh3 {[%emt 0:00:00]} 48. Rg5 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 49. Rf1 {[%emt 0:00:00]} Qe4 {[%emt 0:00:00]} 50. Rgxf5 {[%emt 0:00:00]} Kg2 {[%emt 0:00:00]} 51. R5f2+ {[%emt 0:00:00]} Kg3 {[%emt 0:00:00]} 52. Rd2 {[%emt 0:00:00]} Qe3 {[%emt 0:00:00]} 53. Kd1 {[%emt 0:00:00]} Qe5 {[%emt 0:00:00]} 54. Rg1+ {[%emt 0:00:00]} Kf3 {[%emt 0:00:00]} 55. c3 {[%emt 0:00:00]} Qe4 {[%emt 0:00:00]} 56. Kc1 {[%emt 0:00:00]} b4 {[%emt 0:00:00]} 57. cxb4 {[%emt 0:00:00]} Qxb4 {[%emt 0:00:00]} 58. Rh1 {[%emt 0:00:00]} Qc4+ {[%emt 0:00:00]} 59. Rc2 {[%emt 0:00:00]} Qa4 {[%emt 0:00:00]} 60. Rh3+ {[%emt 0:00:00]} Kg4 {[%emt 0:00:06]} 61. Rcc3 {[%emt 0:00:00]} Qa1+ {[%emt 0:02:01]} 62. Kc2 {[%emt 0:00:00]} Qa4+ {[%emt 0:00:02]} 63. Kd2 {[%emt 0:00:00]} Qd4+ {[%emt 0:00:22]} 64. Rhd3 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:06]} 65. Kc1 {[%emt 0:00:00]} Qf1+ {[%emt 0:00:12]} 66. Kc2 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:23]} 67. Kb1 {[%emt 0:00:00]} Qf1+ {[%emt 0:01:08]} 68. Ka2 {[%emt 0:00:00]} Qf7+ {[%emt 0:00:06]} 69. b3 {[%emt 0:00:00]} Qa7+ {[%emt 0:00:01]} 70. Kb1 {[%emt 0:00:00]} Qg1+ {[%emt 0:03:51]} 71. Rc1 {[%emt 0:00:00]} Qg2 {[%emt 0:01:49]} 72. Rc4+ {[%emt 0:00:00]} Kf5 {[%emt 0:00:09]} 73. Rcc3 {[%emt 0:00:00]} Qf1+ {[%emt 0:00:57]} 74. Kb2 {[%emt 0:00:00]} Qg2+ {[%emt 0:00:22]} 75. Rc2 {[%emt 0:00:00]} Qg7+ {[%emt 0:00:01]} 76. Kb1 {[%emt 0:00:00]} Qg1+ {[%emt 0:00:10]} 77. Rc1 {[%emt 0:00:00]} Qg2 {[%emt 0:00:12]} 78. Rc5+ {[%emt 0:00:00]} Ke4 {[%emt 0:00:48]} 79. Rcc3 {[%emt 0:00:00]} Qf1+ {[%emt 0:00:48]} 80. Kc2 {[%emt 0:00:00]} Qf2+ {[%emt 0:01:15]} 81. Rd2 {[%emt 0:00:00]} Qf5 {[%emt 0:01:44]} 82. Rh2 {[%emt 0:00:00]} Kf4+ {[%emt 0:02:18]} 83. Kc1 {[%emt 0:00:00]} Qg5 {[%emt 0:00:26]} 84. Kb2 {[%emt 0:00:00]} Qe7 {[%emt 0:00:58]} 85. Rc4+ {[%emt 0:00:00]} Kg3 {[%emt 0:00:02]} 86. Rhxh4 {[%emt 0:00:00]} Qe2+ {[%emt 0:00:11]} 87. Ka3 {[%emt 0:00:00]} Qe7+ {[%emt 0:00:45]} 88. b4 {[%emt 0:00:00]} Qe3+ {[%emt 0:00:42]} 89. Ka4 {[%emt 0:00:00]} Qa7+ {[%emt 0:00:01]} 90. Kb3 {[%emt 0:00:00]} Qb6 {[%emt 0:01:17]} 91. Rhd4 {[%emt 0:00:00]} Kf3 {[%emt 0:00:15]} 92. Rd3+ {[%emt 0:00:00]} Ke2 {[%emt 0:00:11]} 93. Rd5 {[%emt 0:00:00]} Qb7 {[%emt 0:01:06]} 94. Rdc5 {[%emt 0:00:00]} Qh7 {[%emt 0:00:39]} 95. Rc2+ {[%emt 0:00:00]} Kd3 {[%emt 0:00:10]} 96. b5 {[%emt 0:00:00]} Qb7 {[%emt 0:00:48]} 97. Kb4 {[%emt 0:00:00]} Qe4+ {[%emt 0:00:25]} 98. R2c4 {[%emt 0:00:00]} Qb7 {[%emt 0:00:13]} 99. Rc7 {[%emt 0:00:00]} Qb6 {[%emt 0:00:27]} 100. R7c6 {[%emt 0:00:00]} Qb8 {[%emt 0:00:12]} 101. b6 {[%emt 0:00:00]} Ke3 {[%emt 0:00:35]} 102. Kb5 {[%emt 0:00:00]} Kf3 {[%emt 0:00:29]} 103. R4c5 {[%emt 0:00:00]} Kf2 {[%emt 0:00:28]} 104. Rc8 {[%emt 0:00:09]} Qd6 {[%emt 0:00:15]} 105. Ka6 {[%emt 0:01:51]} Qd3+ {[%emt 0:00:06]} 106. Rb5 {[%emt 0:00:36]} Qa3+ {[%emt 0:00:11]} 107. Ra5 {[%emt 0:01:21]} Qd3+ {[%emt 0:00:09]} 108. Ka7 {[%emt 0:00:06]} Qd4 {[%emt 0:00:12]} 109. Rc7 {[%emt 0:00:20]} Qe3 {[%emt 0:00:20]} 110. Rf5+ {[%emt 0:00:54]} Ke2 {[%emt 0:00:07]} 111. Rfc5 {[%emt 0:00:23]} Qa3+ {[%emt 0:00:18]} 112. Kb8 {[%emt 0:00:07]} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.22"]
[Round "9.17"]
[White "Ochedzan, Tymon"]
[Black "Acor, Corey"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "2350"]
[BlackElo "2303"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,120,13,10,16,12,13,30,27,14,49,-20,-40,-50,-40,-54,-55,-57,-51,-466,-468,-606,-601,-621,-612,-637,-637,-637,-625,-637,-636,-718,-713,-725,-699,-785,-765,-718,-489,-501,-220,-216,-239,-236,-233,-351,-333,-441,-441,-441,-441,-604,-550,-635,-613,-1981,-1754,-1349,-1271,-1128,-806,-780,-590,-563,-542,-510,-504,-511,-492,-686,-729,-746,-697,-724,-556,-721,-743,-721,-720,-675,0,-9873,-6095,-29970,-29971,-29968,-29960,-29974,-29976,-29976,-29977,-29978,-29979,-29979,-29980,-29979,-29980,-29983,-5106,-29984,-29985,-29985,-29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5 7. Bxc6 dxc6 8. Nxe5 Be7 9. d4 Ne6 10. Be3 O-O 11. c4 f6 {C80: Open Ruy Lopez: Sidelines and 9 Nbd2.} 12. Nf3 f5 13. Bd2 Bf6 {White has an edge.} 14. Bc3 $1 {[#]} Rb8 $146 ({Predecessor:} 14... Ng5 15. Nxg5 Bxg5 16. Nd2 Re8 17. Rxe8+ Qxe8 18. Nf3 Bf6 19. Qb3 b5 20. d5 Bxc3 21. Qxc3 {1-0 (42) Ochedzan,T (2349)-Kusa,J (2326) Brno 2021}) 15. Qd3 {[#]} (15. a3 $14) 15... Nxd4 $1 $11 16. Nxd4 (16. Bxd4 c5) 16... c5 17. Rd1 cxd4 18. Bxd4 Re8 $1 19. Nc3 $2 {[%mdl 8192]} ({Better is} 19. Bc3 $15) 19... Bxd4 $19 20. Qxd4 {[#]} Re1+ $1 {[%mdl 512]} 21. Rxe1 Qxd4 22. Rad1 Qxc4 23. Rd8+ Kf7 24. h3 Qc5 25. Re3 b5 26. Ne2 Ra8 27. Nf4 Qc1+ 28. Kh2 Qc6 29. Nd3 {And now Ne5+ would win.} Qxg2+ 30. Kxg2 Bb7+ {[%mdl 64] Discovered Attack} 31. Kg3 Rxd8 {[%mdl 4096] Endgame KRB-KRN} 32. b4 (32. h4 {might work better.}) 32... Rd4 33. a3 g5 34. f4 h6 {[%cal Bh7h6,Bh6g5,Bg5f4][%mdl 32] Strongly threatening ...Kf6.} 35. h4 Kf6 {Hoping for ...Bd5.} 36. hxg5+ hxg5 37. Kf2 gxf4 38. Rh3 f3 39. Ne1 Rd2+ 40. Kf1 f2 {( -> ...Bd5)} 41. Nd3 Ra2 42. Nxf2 f4 43. Rc3 Bd5 {Threatens to win with ...c6.} 44. Ke1 Bc4 45. Ne4+ Ke5 46. Nd2 Bd5 {aiming for ...Kd4.} 47. Rd3 c6 48. Rh3 Kf5 49. Rd3 Ke5 $2 (49... Ra1+ $19 50. Ke2 Kg4) 50. Kd1 $2 {[%mdl 8192]} (50. Rh3 $11 Kd4 51. Nb3+ Ke4 52. Nd2+ Kf5 53. Rd3) 50... Ra1+ 51. Ke2 Bc4 52. Nxc4+ bxc4 {KR-KR} 53. Rc3 Kd4 54. Rf3 Ra2+ 55. Ke1 c3 56. Kd1 Kc4 57. Rxf4+ Kb3 58. Rf6 Ra1+ 59. Ke2 c2 60. Rxc6 c1=Q {White did not feel at home in the position after the opening.  Weighted Error Value: White=0.76/Black=0.04 (flawless)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.22"]
[Round "9.18"]
[White "Vojta, Jakub"]
[Black "Bomans, Arno"]
[Result "0-1"]
[ECO "B54"]
[WhiteElo "2289"]
[BlackElo "2246"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,62,2,13,18,19,27,11,15,24,13,11,0,0,0,0,0,17,0,0,11,0,-270,-278,-275,-267,-278,-178,-175,-160,-160,-160,-146,-65,-99,-96,-195,-196,-214,-216,-210,-172,-492,-482,-443,-459,-649,-637,-761,-754,-729,-718,-688,-701]} 1. e4 c5 2. Nf3 d6 {[%cal Bd7d6,Bd6d5,Bd5d4][%mdl 32]} 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 $1 {[%mdl 4] is now more promising than 6...Be6.} 7. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3,Bg3e5][%mdl 32] B55: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4 Nf6 5 f3.} d4 8. c3 {[%cal Rc3d4]} Nc6 9. Bb5 {The position is equal.} h6 10. Bh4 (10. Bxf6 $5 Qxf6 11. cxd4 $14) 10... Qb6 11. Bxc6+ bxc6 12. cxd4 ({Much weaker is} 12. Bxf6 gxf6 13. cxd4 Ba6 $17) 12... Ba6 $1 {aiming for ...Nh5.} 13. Bg3 $1 Rd8 (13... O-O-O $5 {[%cal Rf8b4]}) 14. Bxe5 {Threatens to win with Qc2.} Nd7 $36 {[%mdl 2048] Black has good play.} 15. Bf4 {Qc2 is the strong threat.} Nc5 $1 {[#]} 16. dxc5 $146 {[%mdl 8192] [#]} ({Predecessor:} 16. Nxc5 Bxc5 17. Qb3 Bxd4 18. Qxb6 Bxb6 19. Nc3 f5 20. Rd1 Bd3 21. h4 O-O 22. e5 {½-½ (46) Varga,Z (2448)-Istona,M (2240) Slovakia 2017}) 16... Rxd1+ $19 17. Kxd1 Bxc5 {White must now prevent ...0-0.} 18. Kc2 O-O 19. Rd1 Be3 20. Bxe3 Qxe3 21. Nc3 Qg5 (21... Rb8 $17 22. Rd2 Bc4) 22. Rd2 $15 {[#]} Rd8 $1 23. Rxd8+ (23. Rad1 $17 {might work better.} Rxd2+ 24. Rxd2) 23... Qxd8 $19 24. Rd1 {Inhibits Qd3+.} Qh4 25. Nd4 Qxh2 {Strongly threatening ...c5.} 26. Nxc6 (26. Rd2) 26... Qxg2+ {Black is clearly winning.} 27. Rd2 Qxf3 28. Nxa7 (28. b4 $142 Qf6 29. Nxa7) 28... Bb7 29. b4 Bxe4+ 30. Kb3 Qe3 31. Re2 Bd5+ {Weighted Error Value: White=0.47/Black=0.10 (very precise)} 0-1

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.22"]
[Round "9.19"]
[White "Klek, Hanna Marie"]
[Black "Michalek, Jan"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2341"]
[BlackElo "2240"]
[Annotator "TA"]
[PlyCount "1"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 1,1,27]} 1. e4 {Not much happened in this game.} 1-0

[Event "Marienbad IM-II 2022"]
[Site "Marianske Lazne"]
[Date "2022.01.22"]
[Round "9.20"]
[White "Richter, Nils"]
[Black "Pisk, Petr"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2270"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2022.01.15"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,119,41,83,84,73,80,78,87,79,82,75,62,102,101,95,100,95,85,90,88,85,83,87,80,86,79,74,82,88,61,56,58,64,64,72,64,64,64,107,104,97,102,102,97,107,107,100,99,104,97,117,100,133,61,64,70,75,74,108,108,108,108,108,108,108,108,110,110,29951,29962,29957,29963,29959,29964,29963,29965,29961,8,8,8,29948,29948,29949,29953,29966,29971,29971,29971,29970,29972,29969,29970,29970,29971,29971,29973,29982,29983,29986,29987,29987,29988,29988,29989,29989,29990]} 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. g3 Nc6 6. Bg2 Nf6 7. O-O cxd4 8. Nxd4 Bc5 {is the new trend.} (8... Be7 $14) 9. Nxc6 $1 $16 {D30: Queen's Gambit Declined: Systems without Nc3.} bxc6 10. Qc2 $1 {Prevents Bf5.} Qb6 11. Nc3 {Black must now prevent Na4. White is better.} Be7 12. e4 {[%cal Re4d5]} Be6 13. Be3 Qb7 (13... d4 $2 14. Na4 Qb5 15. Bxd4 $18) 14. exd5 cxd5 15. Qa4+ Bd7 16. Qb3 {[#]} Qxb3 $146 ({Predecessor:} 16... Bc6 17. Qxb7 Bxb7 18. Rfe1 O-O 19. Bxa7 Bb4 20. Bd4 Ne4 21. a3 Nxc3 22. Bxc3 Bxc3 23. bxc3 {1-0 (40) Vergili,R (2205)-Olgiati,R (2155) Argentina 2000}) 17. axb3 Be6 18. Rxa7 {White is much more active. Black has bad knights.} (18. Bxa7 {looks sharper.} O-O 19. Rfd1 Rad8 20. Bd4 Rb8 21. Ra7) 18... Rxa7 19. Bxa7 O-O 20. Rd1 {[%cal Rg2d5]} Rd8 21. Bd4 h5 22. Bxf6 Bxf6 23. Nxd5 Bxd5 24. Bxd5 {[%mdl 4096] Endgame KRB-KRB} h4 25. b4 Rb8 26. b3 Rxb4 (26... Kf8 $14) 27. Rc1 $1 Rd4 28. Rc8+ Kh7 29. Bxf7 Rd2 30. Bc4 Bd4 31. Rf8 hxg3 32. hxg3 Rb2 33. Kf1 g5 34. f4 ({White should try} 34. Rf5 $16) 34... Rf2+ $14 35. Ke1 {And now Rd8 would win.} Rf3 36. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32]} g4 37. Bd5 $1 Rxg3 38. f6 $1 {aiming for f7.} Re3+ 39. Kf1 {Hoping for f7.} Re5 {[#]} 40. f7 $1 {[%cal Of8h8] White threatens Rh8+! and mate.} Bc5 41. Rc8 Rf5+ $2 {[%mdl 8192]} (41... Be7 $16) 42. Kg2 Rxd5 {[#]} 43. Rxc5 $1 {[%mdl 512] KR-KR} Rd2+ 44. Kg3 Kg7 45. Rf5 Kf8 46. Kxg4 $2 (46. b4 $1 {mates} Rd1 47. Kxg4 Rd4+ 48. Rf4 Rd5 49. Kf3 Re5 50. Kf2 Re6 51. b5) 46... Rg2+ 47. Kh5 {White wants to mate with b4.} Rh2+ $2 {[%mdl 8192] [#]} (47... Rb2 $11) 48. Kg6 $1 {White mates.} Rg2+ {[#]} 49. Kf6 $1 Rg3 50. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Rb3 51. Rd5 {[%cal Rd5d8]} Rf3+ 52. Ke6 Rf6+ 53. Kd7 Rxf7+ 54. Kc6 Ke8 55. b5 Rf1 56. b6 Rc1+ 57. Rc5 Rb1 58. b7 Kd8 59. Rd5+ Ke7 60. Rb5 {Weighted Error Value: White=0.15 (very precise) /Black=0.38} 1-0

