[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.1"]
[White "Liang, Jason"]
[Black "Matta, Nicholas"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "2351"]
[BlackElo "2201"]
[Annotator "NA"]
[PlyCount "112"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:06:26]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:12]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:16]} Nf6 {[%emt 0:00:00]} 4. Ng5 {[%emt 0:00:13]} d5 {[%emt 0:00:08]} 5. exd5 {[%emt 0:00:10]} Na5 {[%emt 0:00:08]} 6. Bb5+ {[%emt 0:00:08]} c6 {[%emt 0:00:07]} 7. dxc6 {[%emt 0:00:06]} bxc6 {[%emt 0:00:07]} 8. Bd3 {[%emt 0:00:14]} Nd5 {[%emt 0:00:15]} 9. Nf3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:14]} 10. O-O {[%emt 0:00:09]} Nf4 {[%emt 0:00:11]} 11. Nc3 {[%emt 0:00:10]} Nxd3 {[%emt 0:00:33]} 12. cxd3 {[%emt 0:00:08]} O-O {[%emt 0:00:10]} 13. Ne4 {[%emt 0:00:05]} Bc7 {[%emt 0:00:17]} 14. Qc2 {[%emt 0:00:10]} c5 {[%emt 0:00:29]} 15. Qxc5 {[%emt 0:00:16]} Ba6 {[%emt 0:00:23]} 16. b3 {[%emt 0:18:31]} Bxd3 {[%emt 0:22:39]} 17. Re1 {[%emt 0:01:33]} Re8 {[%emt 0:00:09]} 18. Ba3 {[%emt 0:19:44]} Bb6 {[%emt 0:00:25]} 19. Qd6 {[%emt 0:02:32]} Nb7 {[%emt 0:00:11]} 20. Qxd8 {[%emt 0:03:52]} Raxd8 {[%emt 0:00:07]} 21. g4 {[%emt 0:15:51]} Rc8 {[%emt 0:15:07]} 22. Rac1 {[%emt 0:01:43]} Rxc1 {[%emt 0:03:08]} 23. Bxc1 {[%emt 0:00:04]} f6 {[%emt 0:00:37]} 24. Ba3 {[%emt 0:02:04]} Rc8 {[%emt 0:03:25]} 25. Nc3 {[%emt 0:01:13]} Kf7 {[%emt 0:06:32]} 26. Rc1 {[%emt 0:04:53]} Ke6 {[%emt 0:05:14]} 27. Ne1 {[%emt 0:04:22]} Bg6 {[%emt 0:07:01]} 28. Na4 {[%emt 0:01:58]} Rxc1 {[%emt 0:05:15]} 29. Bxc1 {[%emt 0:00:06]} Bd4 {[%emt 0:00:03]} 30. Bb2 {[%emt 0:01:13]} Bb1 {[%emt 0:03:19]} 31. a3 {[%emt 0:04:15]} Kd5 {[%emt 0:03:08]} 32. Bxd4 {[%emt 0:05:05]} exd4 {[%emt 0:01:31]} 33. d3 {[%emt 0:02:05]} Nc5 {[%emt 0:04:24]} 34. Nxc5 {[%emt 0:00:15]} Kxc5 {[%emt 0:00:05]} 35. Kf1 {[%emt 0:00:13]} a5 {[%emt 0:03:10]} 36. Ke2 {[%emt 0:00:19]} Ba2 {[%emt 0:00:17]} 37. b4+ {[%emt 0:00:23]} axb4 {[%emt 0:00:09]} 38. axb4+ {[%emt 0:00:04]} Kxb4 {[%emt 0:00:23]} 39. Nf3 {[%emt 0:05:48]} Kc3 {[%emt 0:00:49]} 40. Nd2 {[%emt 0:00:18]} Bd5 {[%emt 0:00:53]} 41. h4 {[%emt 0:00:19]} Kc2 {[%emt 0:05:21]} 42. f3 {[%emt 0:01:45]} Kc3 {[%emt 0:00:52]} 43. Nf1 {[%emt 0:01:07]} Bc6 {[%emt 0:07:59]} 44. Ng3 {[%emt 0:00:24]} Bb5 {[%emt 0:00:33]} 45. Ne4+ {[%emt 0:00:06]} Kc2 {[%emt 0:00:07]} 46. Nc5 {[%emt 0:00:53]} g6 {[%emt 0:00:27]} 47. f4 {[%emt 0:00:52]} f5 {[%emt 0:00:31]} 48. gxf5 {[%emt 0:00:44]} gxf5 {[%emt 0:00:02]} 49. Ne6 {[%emt 0:00:29]} Bxd3+ {[%emt 0:00:15]} 50. Kf2 {[%emt 0:00:21]} Kc3 {[%emt 0:00:07]} 51. h5 {[%emt 0:00:09]} Be4 {[%emt 0:03:10]} 52. Nc7 {[%emt 0:01:00]} Bc6 {[%emt 0:00:12]} 53. Ne6 {[%emt 0:00:28]} d3 {[%emt 0:00:12]} 54. Ng5 {[%emt 0:00:36]} d2 {[%emt 0:00:12]} 55. Ke2 {[%emt 0:00:06]} Bb5+ {[%emt 0:00:06]} 56. Kd1 {[%emt 0:00:10]} Ba4+ {[%emt 0:00:05]} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.2"]
[White "Wu, Derek"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2175"]
[BlackElo "2335"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:10:02]} 2. Bg5 {[%emt 0:00:00]} d5 {[%emt 0:00:05]} 3. Nd2 {[%emt 0:00:14]} Nbd7 {[%emt 0:01:28]} 4. e3 {[%emt 0:01:18]} c5 {[%emt 0:00:23]} 5. dxc5 {[%emt 0:06:44]} Nxc5 {[%emt 0:02:37]} 6. Bxf6 {[%emt 0:01:19]} gxf6 {[%emt 0:03:08]} 7. Bb5+ {[%emt 0:04:04]} Bd7 {[%emt 0:01:43]} 8. Bxd7+ {[%emt 0:01:06]} Qxd7 {[%emt 0:00:06]} 9. Qh5 {[%emt 0:02:04]} e6 {[%emt 0:01:31]} 10. O-O-O {[%emt 0:02:23]} Qa4 {[%emt 0:03:47]} 11. Kb1 {[%emt 0:02:07]} Rc8 {[%emt 0:01:06]} 12. Nb3 {[%emt 0:03:58]} Rg8 {[%emt 0:08:45]} 13. Nh3 {[%emt 0:20:45]} Ne4 {[%emt 0:15:25]} 14. Nf4 {[%emt 0:05:20]} Nxf2 {[%emt 0:22:42]} 15. Nxd5 {[%emt 0:00:56]} Rg6 {[%emt 0:01:47]} 16. Nc3 {[%emt 0:06:44]} Qc6 {[%emt 0:02:18]} 17. Nd4 {[%emt 0:01:34]} Qc5 {[%emt 0:01:04]} 18. Qf3 {[%emt 0:01:27]} Nxd1 {[%emt 0:04:15]} 19. Rxd1 {[%emt 0:00:11]} Qb6 {[%emt 0:02:21]} 20. Nce2 {[%emt 0:03:09]} Be7 {[%emt 0:03:10]} 21. Rd3 {[%emt 0:00:51]} Rc7 {[%emt 0:01:03]} 22. a3 {[%emt 0:04:17]} Rd7 {[%emt 0:00:25]} 23. Nf4 {[%emt 0:00:53]} Rg5 {[%emt 0:00:59]} 24. h4 {[%emt 0:01:38]} Rg8 {[%emt 0:01:40]} 25. Rb3 {[%emt 0:02:32]} Qa6 {[%emt 0:00:24]} 26. Rc3 {[%emt 0:04:54]} e5 {[%emt 0:01:58]} 27. Nd5 {[%emt 0:00:56]} Bd8 {[%emt 0:01:25]} 28. Nf5 {[%emt 0:01:20]} e4 {[%emt 0:00:36]} 29. Qxe4+ {[%emt 0:10:02]} Qe6 {[%emt 0:00:06]} 30. Qb4 {[%emt 0:01:36]} Rxd5 {[%emt 0:00:41]} 31. Nd4 {[%emt 0:00:19]} Qd7 {[%emt 0:00:12]} 32. Nb3 {[%emt 0:01:11]} Rg4 {[%emt 0:00:33]} 33. e4 {[%emt 0:00:13]} Rd1+ {[%emt 0:00:15]} 34. Ka2 {[%emt 0:00:02]} Be7 {[%emt 0:00:17]} 35. Qa5 {[%emt 0:00:08]} b6 {[%emt 0:00:16]} 36. Qh5 {[%emt 0:00:21]} a5 {[%emt 0:02:03]} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.3"]
[White "Mardov, Dimitar"]
[Black "Eckert, Doug"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2312"]
[BlackElo "2162"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:04]} Bc5 {[%emt 0:00:00]} 4. O-O {[%emt 0:00:43]} Nf6 {[%emt 0:00:00]} 5. d3 {[%emt 0:00:22]} d6 {[%emt 0:00:23]} 6. h3 {[%emt 0:00:57]} h6 {[%emt 0:01:26]} 7. c3 {[%emt 0:01:43]} O-O {[%emt 0:01:38]} 8. a4 {[%emt 0:01:14]} a5 {[%emt 0:00:10]} 9. Re1 {[%emt 0:01:03]} Be6 {[%emt 0:02:44]} 10. Bb5 {[%emt 0:03:52]} Bd7 {[%emt 0:05:22]} 11. d4 {[%emt 0:06:51]} Bb6 {[%emt 0:01:05]} 12. d5 {[%emt 0:08:52]} Ne7 {[%emt 0:01:25]} 13. Nbd2 {[%emt 0:02:55]} Ng6 {[%emt 0:10:57]} 14. Nc4 {[%emt 0:03:00]} Ba7 {[%emt 0:04:22]} 15. Bxd7 {[%emt 0:03:09]} Qxd7 {[%emt 0:00:36]} 16. b4 {[%emt 0:05:00]} axb4 {[%emt 0:04:58]} 17. cxb4 {[%emt 0:00:05]} b5 {[%emt 0:01:46]} 18. Na5 {[%emt 0:03:05]} Ne7 {[%emt 0:05:09]} 19. Qc2 {[%emt 0:03:40]} bxa4 {[%emt 0:03:25]} 20. Bd2 {[%emt 0:04:47]} Rfc8 {[%emt 0:04:20]} 21. Qxa4 {[%emt 0:09:42]} Qxa4 {[%emt 0:07:34]} 22. Rxa4 {[%emt 0:00:08]} Bb6 {[%emt 0:04:25]} 23. Raa1 {[%emt 0:02:34]} Nd7 {[%emt 0:03:11]} 24. g4 {[%emt 0:10:57]} Bxa5 {[%emt 0:08:17]} 25. bxa5 {[%emt 0:00:12]} Nc5 {[%emt 0:00:05]} 26. Ra3 {[%emt 0:04:57]} c6 {[%emt 0:02:33]} 27. dxc6 {[%emt 0:00:30]} Nxc6 {[%emt 0:00:29]} 28. Kg2 {[%emt 0:02:06]} Ra6 {[%emt 0:00:39]} 29. Nh4 {[%emt 0:02:55]} Rca8 {[%emt 0:02:52]} 30. Nf5 {[%emt 0:02:38]} Nxa5 {[%emt 0:01:00]} 31. Rxa5 {[%emt 0:02:02]} Rxa5 {[%emt 0:00:16]} 32. Bxa5 {[%emt 0:00:12]} Rxa5 {[%emt 0:00:01]} 33. Nxd6 {[%emt 0:00:56]} f6 {[%emt 0:05:03]} 34. Nf5 {[%emt 0:02:21]} Ra2 {[%emt 0:01:02]} 35. Re3 {[%emt 0:00:53]} Rc2 {[%emt 0:03:25]} 36. h4 {[%emt 0:01:01]} Kh7 {[%emt 0:03:58]} 37. h5 {[%emt 0:01:35]} g6 {[%emt 0:00:34]} 38. hxg6+ {[%emt 0:00:27]} Kxg6 {[%emt 0:00:05]} 39. Kg3 {[%emt 0:02:13]} Rc3 {[%emt 0:02:24]} 40. f3 {[%emt 0:01:28]} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.4"]
[White "Wu, Rochelle"]
[Black "Colas, Joshua"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "2132"]
[BlackElo "2298"]
[Annotator "NA"]
[PlyCount "72"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:05:51]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:19]} 3. Nc3 {[%emt 0:00:18]} Nf6 {[%emt 0:00:40]} 4. cxd5 {[%emt 0:00:21]} exd5 {[%emt 0:00:12]} 5. Bg5 {[%emt 0:00:24]} Nbd7 {[%emt 0:00:14]} 6. e3 {[%emt 0:00:20]} c6 {[%emt 0:00:09]} 7. Bd3 {[%emt 0:01:33]} Be7 {[%emt 0:00:19]} 8. Qc2 {[%emt 0:03:18]} O-O {[%emt 0:00:55]} 9. Nge2 {[%emt 0:02:15]} Re8 {[%emt 0:00:17]} 10. O-O {[%emt 0:01:52]} Nf8 {[%emt 0:00:56]} 11. Rac1 {[%emt 0:06:17]} g6 {[%emt 0:01:09]} 12. a3 {[%emt 0:05:19]} a5 {[%emt 0:01:37]} 13. Na4 {[%emt 0:13:57]} Ne6 {[%emt 1:23:52]} 14. Bh4 {[%emt 0:00:25]} Ng7 {[%emt 0:00:00]} 15. Nc5 {[%emt 0:05:13]} b6 {[%emt 0:00:00]} 16. Na4 {[%emt 0:01:19]} Bb7 {[%emt 0:00:00]} 17. h3 {[%emt 0:04:10]} Nd7 {[%emt 0:00:00]} 18. Bg3 {[%emt 0:00:53]} b5 {[%emt 0:00:00]} 19. Nac3 {[%emt 0:05:37]} f5 {[%emt 0:00:00]} 20. Qb3 {[%emt 0:09:45]} a4 {[%emt 0:00:00]} 21. Qa2 {[%emt 0:00:57]} Nf6 {[%emt 0:00:00]} 22. f3 {[%emt 0:09:43]} Kh8 {[%emt 0:00:00]} 23. e4 {[%emt 0:10:56]} fxe4 {[%emt 0:00:00]} 24. fxe4 {[%emt 0:00:26]} dxe4 {[%emt 0:00:00]} 25. Bxe4 {[%emt 0:02:48]} Nxe4 {[%emt 0:00:00]} 26. Nxe4 {[%emt 0:00:08]} c5 {[%emt 0:00:00]} 27. N4c3 {[%emt 0:06:36]} b4 {[%emt 0:00:00]} 28. axb4 {[%emt 0:00:21]} cxb4 {[%emt 0:00:00]} 29. Be5 {[%emt 0:02:36]} bxc3 {[%emt 0:00:00]} 30. Qf7 {[%emt 0:00:08]} Rg8 {[%emt 0:00:00]} 31. Nf4 {[%emt 0:00:13]} Qe8 {[%emt 0:00:00]} 32. Ne6 {[%emt 0:00:54]} Qxf7 {[%emt 0:00:00]} 33. Rxf7 {[%emt 0:00:05]} cxb2 {[%emt 0:00:00]} 34. Rcf1 {[%emt 0:04:37]} Bd6 {[%emt 0:00:00]} 35. Bxg7+ {[%emt 0:03:08]} Rxg7 {[%emt 0:00:00]} 36. Nxg7 {[%emt 0:00:33]} Be4 {[%emt 0:00:00]} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.5"]
[White "Li, Eric Yuhan"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "E20"]
[BlackElo "2079"]
[Annotator "NA"]
[PlyCount "51"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:05:04]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:23]} 3. Nc3 {[%emt 0:02:08]} Bb4 {[%emt 0:01:20]} 4. f3 {[%emt 0:00:25]} O-O {[%emt 0:13:07]} 5. e4 {[%emt 0:01:58]} Bxc3+ {[%emt 0:08:58]} 6. bxc3 {[%emt 0:00:18]} d6 {[%emt 0:01:27]} 7. Bd3 {[%emt 0:07:01]} c5 {[%emt 0:18:09]} 8. Ne2 {[%emt 0:08:23]} Nc6 {[%emt 0:11:28]} 9. Bg5 {[%emt 0:07:40]} cxd4 {[%emt 0:09:16]} 10. cxd4 {[%emt 0:02:25]} Qa5+ {[%emt 0:00:38]} 11. Bd2 {[%emt 0:07:08]} Nb4 {[%emt 0:02:00]} 12. O-O {[%emt 0:06:36]} Qa3 {[%emt 0:00:45]} 13. Bb1 {[%emt 0:03:23]} e5 {[%emt 0:02:19]} 14. Qb3 {[%emt 0:02:32]} Qxb3 {[%emt 0:00:04]} 15. axb3 {[%emt 0:00:08]} Nc6 {[%emt 0:02:28]} 16. d5 {[%emt 0:02:55]} Nb8 {[%emt 0:01:13]} 17. Nc3 {[%emt 0:08:45]} Na6 {[%emt 0:02:16]} 18. Nb5 {[%emt 0:01:25]} Rd8 {[%emt 0:00:43]} 19. Be3 {[%emt 0:01:14]} b6 {[%emt 0:04:17]} 20. Rf2 {[%emt 0:02:56]} Bb7 {[%emt 0:04:42]} 21. Rfa2 {[%emt 0:03:37]} Nc5 {[%emt 0:00:18]} 22. Rxa7 {[%emt 0:02:29]} Nxb3 {[%emt 0:05:43]} 23. R1a3 {[%emt 0:02:16]} Na5 {[%emt 0:02:23]} 24. Bxb6 {[%emt 0:00:39]} Nxc4 {[%emt 0:00:52]} 25. Bxd8 {[%emt 0:00:15]} Nxa3 {[%emt 0:00:46]} 26. Rxa8 {[%emt 0:00:08]} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.09"]
[Round "1.6"]
[White "Putnam, Liam"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2076"]
[BlackElo "2229"]
[Annotator "NA"]
[PlyCount "100"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. f3 {[%emt 0:00:00]} Bg7 {[%emt 0:04:06]} 4. e4 {[%emt 0:00:14]} d6 {[%emt 0:01:12]} 5. Nc3 {[%emt 0:00:25]} O-O {[%emt 0:00:48]} 6. Nge2 {[%emt 0:00:09]} c5 {[%emt 0:00:48]} 7. d5 {[%emt 0:01:04]} e6 {[%emt 0:05:44]} 8. Ng3 {[%emt 0:00:19]} exd5 {[%emt 0:01:16]} 9. cxd5 {[%emt 0:00:04]} Na6 {[%emt 0:06:18]} 10. Be2 {[%emt 0:06:05]} Bd7 {[%emt 0:02:37]} 11. O-O {[%emt 0:10:42]} h5 {[%emt 0:00:44]} 12. Be3 {[%emt 0:03:44]} Rb8 {[%emt 0:08:04]} 13. Qd2 {[%emt 0:03:38]} Nh7 {[%emt 0:02:54]} 14. f4 {[%emt 0:02:53]} h4 {[%emt 0:04:09]} 15. Nh1 {[%emt 0:00:23]} Re8 {[%emt 0:00:17]} 16. Nf2 {[%emt 0:02:37]} b5 {[%emt 0:08:14]} 17. a4 {[%emt 0:07:35]} Nc7 {[%emt 0:06:57]} 18. e5 {[%emt 0:09:01]} bxa4 {[%emt 0:04:56]} 19. Nfe4 {[%emt 0:06:54]} dxe5 {[%emt 0:03:13]} 20. Bxc5 {[%emt 0:06:47]} Bf5 {[%emt 0:02:45]} 21. d6 {[%emt 0:03:52]} Na8 {[%emt 0:08:10]} 22. Rxa4 {[%emt 0:06:56]} exf4 {[%emt 0:04:27]} 23. d7 {[%emt 0:15:46]} Qxd7 {[%emt 0:07:09]} 24. Qxd7 {[%emt 0:00:52]} Bxd7 {[%emt 0:00:21]} 25. Rxa7 {[%emt 0:00:36]} Be6 {[%emt 0:04:34]} 26. Rfa1 {[%emt 0:04:43]} Nb6 {[%emt 0:04:40]} 27. Nd6 {[%emt 0:00:30]} Red8 {[%emt 0:00:20]} 28. Rb7 {[%emt 0:06:03]} Bd4+ {[%emt 0:03:11]} 29. Bxd4 {[%emt 0:00:24]} Rxb7 {[%emt 0:00:02]} 30. Nxb7 {[%emt 0:00:11]} Rxd4 {[%emt 0:00:07]} 31. Nc5 {[%emt 0:01:25]} Bf5 {[%emt 0:02:35]} 32. Ra6 {[%emt 0:01:04]} Nd7 {[%emt 0:01:08]} 33. Nxd7 {[%emt 0:00:39]} Bxd7 {[%emt 0:00:15]} 34. Rb6 {[%emt 0:00:19]} h3 {[%emt 0:01:03]} 35. Rb8+ {[%emt 0:00:29]} Kg7 {[%emt 0:00:08]} 36. Rd8 {[%emt 0:00:03]} hxg2 {[%emt 0:01:25]} 37. Bb5 {[%emt 0:00:11]} Ng5 {[%emt 0:02:54]} 38. h4 {[%emt 0:01:36]} Bxb5 {[%emt 0:00:17]} 39. Rxd4 {[%emt 0:00:22]} Nf3+ {[%emt 0:00:01]} 40. Kxg2 {[%emt 0:00:02]} Nxd4 {[%emt 0:00:11]} 41. Nxb5 {[%emt 0:00:49]} Nxb5 {[%emt 0:00:20]} 42. Kf3 {[%emt 0:00:02]} f5 {[%emt 0:00:12]} 43. Kxf4 {[%emt 0:00:05]} Kf6 {[%emt 0:00:02]} 44. b3 {[%emt 0:00:12]} Nd4 {[%emt 0:00:10]} 45. b4 {[%emt 0:00:02]} Ne6+ {[%emt 0:00:07]} 46. Ke3 {[%emt 0:00:06]} Ke5 {[%emt 0:00:06]} 47. b5 {[%emt 0:00:03]} Nc5 {[%emt 0:00:11]} 48. b6 {[%emt 0:00:04]} f4+ {[%emt 0:00:05]} 49. Kf3 {[%emt 0:00:06]} Kf5 {[%emt 0:00:05]} 50. b7 {[%emt 0:00:12]} Nxb7 {[%emt 0:00:05]} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.1"]
[White "Wang, Tianqi"]
[Black "Li, Eric Yuhan"]
[Result "1/2-1/2"]
[ECO "B21"]
[WhiteElo "2335"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,4,11,11,11,13,11,11,11,9,8,3,3,0,0,0,25,-4,9,-9,34,7,12,12,10,14,8,14,9,5,23,0,0,-37,-53,-57,-37,-33,-42,-91,-79,-85,-83,-85,-81,-85,-85,-94,-94,-83,-89,-76,-52,-50,-53,-62,-41,-62,-68,-71,-66,-39,-41,-44,-47,-45,0,0,0,0,0,-43]} 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Nf6 6. Nxf6+ {B21: Sicilian: 2 f4 and Morra Gambit.} Qxf6 7. g3 Nc6 8. Bg2 Bd6 9. O-O O-O 10. d3 {[#]} Qd8 $146 ({Predecessor:} 10... Rd8 11. Nd2 Rb8 12. a4 Bc7 13. Nc4 Na5 14. Ne5 b6 15. Qe2 Bb7 16. Bd2 Bxg2 17. Kxg2 Bxe5 18. fxe5 Qe7 19. Bxa5 bxa5 20. b3 Rd5 21. Rae1 Qc7 22. Rf4 {½-½ (22) Vohl,G (2446)-Slawinski,T (2470) ICCF email 2010}) 11. Ng5 Nd4 12. Be3 Be7 13. Ne4 Qc7 14. Qd2 Rd8 15. c3 Nf5 16. Bf2 Bd7 17. Qe2 Bb5 18. Rad1 g6 19. g4 Ng7 $1 20. c4 Bc6 21. h3 f5 22. Ng5 Bxg2 23. Kxg2 e5 24. Rfe1 Bxg5 25. fxg5 Ne6 {[#] And now ...Nf4+ would win.} 26. Qxe5 Qc6+ 27. Kg3 Nxg5 {White must now prevent ...Qf3+.} 28. Qf4 fxg4 29. Qxg4 {[#]} Rf8 $1 30. Qxg5 {Threatens to win with Rd2.} Qf3+ 31. Kh2 Qxf2+ 32. Qg2 Rad8 33. Re2 Qf3 34. Qxf3 Rxf3 $15 {[%mdl 4096] Endgame KRR-KRR} 35. Re7 Rf2+ 36. Kg1 $1 {[%cal Rg1f2]} Rxb2 37. Rc7 Rxa2 {aiming for ...Ra3.} 38. Re1 $1 {The position is equal.} Rf8 39. Ree7 {White wants to mate with Rg7+.} Rff2 40. Rc8+ {Weighted Error Value: White=0.06/Black=0.05} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.2"]
[White "Colas, Joshua"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2298"]
[BlackElo "2229"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,113,20,20,22,20,31,27,31,31,81,41,73,83,75,83,106,85,175,168,171,159,163,137,179,112,107,121,135,135,362,357,329,220,267,228,229,219,268,176,166,114,142,136,118,134,145,83,85,90,89,80,112,106,106,12,61,47,179,172,179,166,180,175,179,163,177,165,312,296,513,482,624,620,587,600,627,627,624,624,618,617,613,610,586,584,757,650,29974,29976,29977,29973,29974,29968,29972,29974,29975,29977,29978,29978]} 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 O-O 5. g3 d5 6. Bg2 c6 7. O-O Bg4 8. d3 Bxf3 9. Bxf3 d4 {A11: English Opening: 1...c6.} 10. b4 {[%cal Bb3b4,Bb4b5][%mdl 32] [#]} e5 $146 ({Predecessor:} 10... Qd7 11. Nd2 e5 12. Nb3 Na6 13. Ba3 Rfe8 14. Rb1 e4 15. dxe4 Nxe4 16. Bxe4 Rxe4 17. b5 cxb5 18. cxb5 Qxb5 {1-0 (70) Samovojska,D (2210)-Frouth,N (2199) Croatia 2015}) 11. Nd2 h5 {White has an edge.} 12. a4 h4 13. b5 Qc8 14. Ba3 Re8 15. Rb1 Nbd7 {[%cal Bb8d7,Bd7e5,Be5c4][%mdl 32]} 16. a5 e4 (16... a6 $16 {was necessary.}) 17. Nxe4 $18 Nxe4 18. Bxe4 ({But not} 18. dxe4 $6 Ne5 $11) 18... Rxe4 19. dxe4 Ne5 {With the idea ...Qh3.} 20. Bd6 (20. bxc6 $18 Qxc6 21. Qb3) 20... Nxc4 $16 {[#]} 21. e5 hxg3 22. hxg3 Qg4 (22... c5 $16 {might work better.}) 23. bxc6 $18 bxc6 24. Rb4 Nxe5 25. Bxe5 Bxe5 26. Qd3 Kg7 27. Kg2 c5 28. Rc4 (28. Rbb1 $18) 28... Bd6 29. Qf3 Qxf3+ 30. Kxf3 $16 {[%mdl 4096] Endgame KRR-KRB} Rb8 31. Ke4 (31. Rcc1 $142) 31... Rb2 32. e3 dxe3 33. fxe3 Ra2 34. Kd5 Bc7 35. Kc6 (35. Re4 $16) 35... Bxa5 36. Rcf4 Bb4 {Black is on the road to losing.} ({Black should try} 36... f5 $14) 37. Rxf7+ $18 Kh6 38. R7f2 Ra6+ {[#]} 39. Kd5 $1 Ra3 40. Re2 Rd3+ 41. Kc4 Rc3+ (41... Rd8 $142 42. Rf7 a6) 42. Kb5 Ra3 $2 (42... Rd3 43. e4 Rd6) 43. e4 a6+ 44. Kc6 c4 45. e5 Rxg3 46. e6 c3 47. e7 Bxe7 48. Rxe7 c2 {Hoping for ...Rc3+.} 49. Rc1 Rc3+ 50. Kd5 g5 51. Re2 g4 52. Rcxc2 {White mates.} Rf3 53. Rf2 Re3 54. Kd4 Re8 55. Rc5 Rd8+ 56. Ke4 Re8+ 57. Kf4 {Weighted Error Value: White=0.14/Black=0.40} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.3"]
[White "Matta, Nicholas"]
[Black "Mardov, Dimitar"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2201"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,67,47,69,44,56,30,50,32,52,58,52,52,60,58,64,63,124,118,122,110,97,120,129,147,151,141,229,233,252,245,356,350,444,409,408,420,398,392,458,426,461,443,622,655,748,737,679,562]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. Bd3 Bb7 8. cxd5 exd5 9. O-O Nbd7 10. Rc1 c5 11. Ne5 a6 12. Nxd7 {D37: Queen's Gambit Declined: 5 Bf4.} Nxd7 {[#]} 13. dxc5 $146 (13. Qf3 {with more complications.} Nf6 14. Rfd1 Ra7 15. dxc5 bxc5 16. e4) ({Predecessor:} 13. Qf3 Kh8 14. Rfd1 cxd4 15. exd4 Re8 16. Na4 Rc8 17. Rxc8 Qxc8 18. Rc1 Bc6 {½-½ (38) Horvath,D (2412)-Urhegyi,M (2299) Budapest 2019}) 13... Nxc5 14. Be2 {White is slightly better.} Qd7 15. Bg4 f5 16. Bf3 {[%cal Rf3d5]} Rad8 17. Be5 Bf6 18. Bd4 f4 {White now steadily converts the win.} (18... Qd6 $14) 19. exf4 $16 Bxd4 20. Qxd4 Ne6 21. Qxb6 {aiming for Bg4.} Nxf4 22. Ne2 Nxe2+ 23. Bxe2 {[#] Hoping for Rc7.} Ba8 (23... Rf6 $16 {might work better.} 24. Qa5 Qd6) 24. Rc7 $18 ({Don't play} 24. Qxa6 $6 d4) 24... Qf5 25. Qd4 {[%csl Gc7][%cal Rd4g7]} ({Don't take} 25. Qxa6 $6 Qe5 $16) 25... Rf6 {[#]} (25... Qf6 $142 26. Qxf6 Rxf6) 26. Bxa6 $1 {[%mdl 512]} Bc6 (26... Qe4 27. Qxe4) 27. Bd3 Qe6 28. Qh4 h6 29. Qg3 {[%csl Gc7][%cal Rg3g7]} Bd7 30. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] White is clearly winning.} Qb6 31. b5 Qd4 (31... Rf7 $142 32. a4 Ra8) 32. Qe3 Qg4 33. h3 Qh5 34. Qe7 {Weighted Error Value: White=0.03/Black=0.34} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.4"]
[White "Eckert, Doug"]
[Black "Liang, Jason"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2162"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,5,0,0,0,0,0,0,0,0,0,0,0,10,14,31,0,0,-1,-2,-23,22,0,0,0,62,0,14,-32,-43,-82,-54,-83,-49,-56,-45,-54,-47,-43,-37,-42,-50,-78,-55,-63,-61,-54,-27,-129,-95,-90,-90,-90,-90,-94,-89,-97,-104,-101,-99,-100,-86,-244,-239,-237,-236,-218,-241,-222,-147,-361,-373,-347,-338]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. b3 b6 $1 {8...b6 is better than 8...Ne4. D45: Semi-Slav: 5 e3.} 9. Bb2 Bb7 10. Bd3 Rc8 {The position is equal.} 11. Rc1 Re8 {[#]} 12. Re1 $146 ({Predecessor:} 12. Qe2 Qe7 13. Rfd1 dxc4 14. bxc4 e5 15. c5 bxc5 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. g3 {½-½ (43) Peralta,F (2586)-Santos Latasa,J (2600) Barbera del Valles 2020}) 12... h6 13. h3 c5 14. cxd5 exd5 15. Na4 Bc6 16. dxc5 bxc5 17. Bf5 Ne4 (17... Bxa4 $5 18. bxa4 Rc7 $15) 18. Nc3 Nxc3 19. Bxc3 Qe7 (19... g6 $11 20. Bd3 Bf8) 20. Bb2 ({Better is} 20. b4 $14) 20... Rb8 21. Bxd7 Qxd7 22. Ba3 {[#]} Rb5 23. Bb2 Ba8 24. Qd3 Rbb8 25. Qc3 {[%csl Gb2][%cal Rc3g7]} Bf8 26. Red1 Qe6 27. Ne5 Rbc8 28. Qd2 Qf5 29. Nd3 Qg5 30. f4 Qg3 31. Re1 (31. Qf2 $11 Qxe3 32. Qxe3 Rxe3 33. Bd4 {[%mdl 64] Double Attack}) 31... c4 32. Qf2 Qxf2+ 33. Nxf2 Bb4 34. Bc3 Ba3 $36 {[%mdl 2048] White is under strong pressure.} 35. Rb1 cxb3 36. Rxb3 Bc5 37. Bd2 Bb6 (37... d4 {is more complex.} 38. e4 Bb6 39. a4 Rc2 40. a5 Bc7) 38. Rc1 $2 (38. a4 $17 {was necessary.}) 38... Rxc1+ $19 39. Bxc1 d4 {[%cal Rd4e3]} 40. e4 Rc8 ({Don't do} 40... Bxe4 41. Nxe4 Rxe4 42. Kf2 $17) 41. Bb2 Rc2 {Hoping for ...d3!} 42. Kf1 $2 (42. Rb4 $17) 42... d3 {[%mdl 64] [#] Deflection} 43. Nxd3 Bxe4 {Weighted Error Value: White=0.27/Black=0.11} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.5"]
[White "Yanayt, Eugene"]
[Black "Wu, Derek"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2079"]
[BlackElo "2175"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,20,0,0,0,0,-11,-18,-12,-16,-13,16,0,22,12,18,13,25,0,0,0,0,-5,-11,-13,0,0,0,0,0,0,6,8,20,0,0,0,0,0,0,-11,0,-18,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Nbd2 Bc6 {E05: Open Catalan: 5 Nf3 Be7.} 10. Nxc4 Be4 11. Qb3 Nc6 12. Be3 Nd5 13. Rfd1 ({Not} 13. Qxb7 $2 Ndb4 $17) 13... Ncb4 {[#] And now ...Bc2 would win.} 14. Rac1 {[#]} Nxe3 $146 ({Predecessor:} 14... a5 15. Bd2 Qe8 16. Na3 c6 17. Nb1 Nb6 18. Nc3 Bd5 19. Nxd5 cxd5 20. Ra1 Nc4 {1-0 (37) Vazquez Igarza,R (2513)-Franco Alonso,A (2421) Madrid 2006}) 15. Nxe3 c6 16. Ne5 Bd5 17. Bxd5 exd5 {The position is equal.} 18. Nf5 a5 19. Nxe7+ Qxe7 20. Qf3 Rfe8 21. e3 f6 22. Nd3 Nxd3 23. Rxd3 Qb4 24. Qd1 Re7 ({Avoid the trap} 24... Qxb2 $2 25. Rb3 $18) 25. Qb3 Kf7 26. Rc5 Qxb3 27. Rxb3 Ke6 28. Kf1 Kd6 29. Ke2 Ra6 30. Rc1 {An uneventful encounter.  Weighted Error Value: White=0.07/Black=0.04} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "2.6"]
[White "Putnam, Liam"]
[Black "Wu, Rochelle"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2076"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,104,18,20,51,19,41,34,39,36,59,2,16,14,11,24,15,3,4,0,7,0,0,0,4,0,0,0,0,0,0,0,10,-8,14,12,12,0,0,0,0,11,11,0,0,0,0,0,32,11,35,35,35,35,35,35,35,35,35,32,32,25,49,32,49,49,49,25,49,11,11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. c5 Nbd7 7. b4 g6 {D45: Semi-Slav: 5 e3.} 8. Bd3 Bg7 9. O-O Qc7 {White is slightly better.} 10. Bb2 O-O {[#]} 11. Qe2 $146 (11. Na4 $14) ({Predecessor:} 11. Qd2 e5 12. Nxe5 Nxe5 13. dxe5 Qxe5 14. Ne2 {½-½ (14) Iljin,A (2505)-Grigoriants,S (2568) Sochi 2006}) 11... e5 $11 12. Nxe5 Nxe5 13. dxe5 Qxe5 {[#]} 14. Ne4 $1 Qe7 15. Nd6 Ne8 16. Bxg7 Kxg7 17. Qb2+ Kg8 18. Nxe8 Rxe8 19. Qd4 Qe5 20. Rfe1 Bd7 21. a3 Kg7 22. Kf1 Qxd4 23. exd4 Kf6 24. Rab1 Rxe1+ 25. Kxe1 {[%mdl 4096] Endgame KRB-KRB} Re8+ 26. Kd2 Bf5 27. f3 Bxd3 28. Kxd3 {KR-KR} Kf5 29. g3 Ke6 30. a4 {[%cal Ba3a4,Ba4b5,Bb5b6][%mdl 32]} Kd7 31. b5 axb5 32. axb5 Kc7 33. b6+ Kd7 34. Ra1 Ke6 35. Ra7 Rb8 36. g4 Kf6 37. f4 Ke6 38. Ke3 f5 39. h3 (39. g5 {is more complex.} Ke7 40. Kf3 Kf7 41. Kg3 Kg7 42. Kf2) 39... h5 40. gxh5 (40. g5 {with more complications.} Kf7 41. Kd3 h4 42. Kc3 Kg7 43. Kb2) 40... gxh5 {The position is equal.} 41. Kf2 h4 42. Ke3 Kf7 43. Kd3 Ke6 44. Kc3 Ke7 45. Kb3 Ke6 46. Ka4 Ke7 47. Ka5 {[#] And now Rxb7+! would win.} Kd7 48. Kb4 Ke6 49. Ra2 Rg8 50. Ra7 Rb8 51. Ka5 {Hoping for Rxb7!} Kd7 $1 52. Kb4 Ke6 {Weighted Error Value: White=0.08/Black=0.06} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.1"]
[White "Matta, Nicholas"]
[Black "Colas, Joshua"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2201"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,22,17,18,18,18,16,7,11,12,22,22,22,23,18,18,31,31,32,25,31,25,37,25,40,12,39,37,45,39,54,43,44,38,73,0,86,77,87,76,85,58,50,15,15,0,11,0,0,0,0,-5,0,-2,0,0,16,0,0,-8]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. c5 b6 6. cxb6 {D37: Queen's Gambit Declined: 5 Bf4.} cxb6 7. Bf4 Bd6 8. Bxd6 Qxd6 9. e3 Nbd7 10. Bd3 Bb7 11. O-O O-O 12. Qe2 b5 13. a4 b4 {[#]} 14. Na2 $146 {[%cal Bc3a2,Ba2c1,Bc1b3,Bb3c5][%mdl 32]} ({Predecessor:} 14. Nb1 a5 15. Nbd2 Rfc8 16. Nb3 Ne4 17. Rfc1 Qb6 18. Bb5 Bc6 19. Ne5 Nxe5 20. dxe5 {½-½ (90) Pogosyan,S (2344)-Khanin,S (2524) Loo 2019}) 14... a5 15. Nc1 Bc6 16. Nb3 Nb6 17. Nc5 Nbd7 18. Rfc1 h6 19. b3 Nxc5 20. Rxc5 Nd7 21. Rc2 Rfc8 22. Ba6 ({White should try} 22. Rac1 $16) 22... Rc7 (22... Rcb8 $11) 23. Rac1 $16 Raa7 24. Bd3 f6 25. Nh4 {Hoping for Qg4.} Nf8 26. Qg4 {[#] And now Qg3 would win.} Be8 {The position is equal.} 27. Qg3 (27. Qd1 {is more complex.} g5 28. Nf3 Bh5 29. h3 Rxc2 30. Qxc2 Bxf3 31. gxf3 Qd8 32. Qc5) 27... Qxg3 28. hxg3 Rxc2 29. Rxc2 Kf7 30. Rc8 Bd7 31. Rc5 g5 32. Nf3 Ke7 33. Bb5 Kd6 34. Bxd7 {Weighted Error Value: White=0.08/Black=0.10} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.2"]
[White "Liang, Jason"]
[Black "Wang, Tianqi"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2351"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,53,0,0,4,26,16,34,32,42,44,28,35,17,18,60,67,70,61,69,55,46,27,93,85,427,432,906,919,899,909,862,832,843,832,812,805,1071,1096]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Bxc6 bxc6 10. Be3 $1 {[%mdl 4] now scores much better than the old 10.Nbd2. B31: Sicilian: 2...Nc6 3 Bb5 g6.} Rb8 11. Qc1 Qb6 12. b3 {White is slightly better.} Qa5 13. dxc5 Rxb3 14. axb3 Qxa1 15. b4 {[#] aiming for Nd4.} Qa6 $146 ({Predecessor:} 15... Qa4 16. Nd4 Bxe5 17. f3 Nf6 18. Qa3 Qxa3 19. Nxa3 Re8 20. Bg5 Bxd4+ 21. cxd4 Kg7 {1-0 (79) Caruana,F (2822)-Dubov,D (2683) Wijk aan Zee 2020}) 16. Nbd2 Re8 17. Nb3 Bd7 18. Bd4 Qa2 19. Qb1 Qa4 (19... Qxb1 $11 {keeps the balance.} 20. Rxb1 Ra8) 20. Qb2 $16 {And now e6! would win.} Qb5 $2 {[%mdl 8192] [#] A mistake that costs the game.} (20... Bh6 $16) 21. e6 $1 $18 {[%cal Re6d7] White is clearly winning.} f6 (21... Bxe6 $142 22. Bxg7 Bf5) 22. exd7 Rd8 23. Na5 Rxd7 24. c4 Qa6 25. cxd5 cxd5 26. c6 Rc7 27. Qb3 {Weighted Error Value: White=0.03/Black=0.70} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.3"]
[White "Oberoi, Shelev"]
[Black "Li, Eric Yuhan"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2229"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,116,7,13,13,19,0,0,0,0,0,0,0,0,0,0,0,7,-12,16,-12,-18,-18,8,0,0,0,0,0,11,0,0,0,0,0,0,0,7,7,16,7,7,7,7,0,5,5,8,0,72,0,0,0,0,0,0,0,0,-21,-22,-91,-100,-95,0,-32,-32,-32,-32,-32,-33,-33,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-19,-27,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 d5 7. exd6 Qxd6 8. O-O {B22: Sicilian: 2 c3.} Be6 9. Bxe6 (9. Bc2 {keeps more tension.} Bd5 10. d4 cxd4 11. Nxd4 e6 12. Re1) 9... Qxe6 10. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Qd7 11. a5 Nd5 12. a6 b6 13. d4 cxd4 14. Nxd4 e6 {[#]} 15. c4 $146 ({Predecessor:} 15. Nxc6 Qxc6 16. Qg4 h5 17. Qe2 b5 18. Na3 Bxa3 19. Rxa3 f6 20. Rb3 Nc7 21. Rb4 Qxa6 {1-0 (53) Carlsen,M (2862)-Nepomniachtchi,I (2784) chess24.com INT 2020}) 15... Nc7 16. Nb5 Rd8 17. Qxd7+ Kxd7 18. Bg5 f6 19. Rd1+ Kc8 {[%cal Rd8d1]} 20. Rxd8+ Nxd8 21. Be3 (21. Nxa7+ Kb8 $17) 21... Nxb5 22. cxb5 Kb8 23. Nd2 Bd6 24. Nc4 Bc7 25. Rd1 Nf7 26. f4 Rd8 27. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KBN-KBN} 28. g4 Kc7 29. Kg2 Be7 30. Kf3 g6 {[#]} (30... Nd6 $11 31. Nxd6 Bxd6) 31. h3 (31. Bxb6+ $1 $16 axb6 32. a7) 31... Nd6 32. Nxd6 Bxd6 {KB-KB} 33. Ke4 f5+ 34. gxf5 gxf5+ 35. Kf3 Bc5 36. Ke2 (36. Bd2 $11 {remains equal.}) 36... Kd6 $1 $17 {Hoping for ...Bxe3.} 37. Bd2 Bd4 (37... Bg1 $1 $17 {Strongly threatening ...Kc5.} 38. Bb4+ Kd5) 38. Kd3 Bxb2 {And now ...Kc5 would win.} 39. Be3 {aiming for Bxb6!} Kc7 40. Kc4 Bf6 41. Bd2 Be7 42. Bc1 Bd6 43. Be3 Kc8 44. Kd3 Bc7 45. Kd4 Kd7 46. Kc4 Ke7 47. Bd4 Kf7 ({Much weaker is} 47... Bxf4 $6 48. Bxb6 $1 Bb8 49. Bc5+ Kd7 50. b6 $16) 48. Kd3 Ke8 (48... Bxf4 $6 49. Bxb6 Bb8 50. Bc5 $16) 49. Ke3 Kd7 50. Kd3 Kc8 51. Be3 Bd6 52. Kc4 Kc7 53. Bd2 Kd7 54. Be3 {Bxb6! is the strong threat.} Bb8 55. Bd4 Ke8 56. Kd3 Kf7 ({Of course not} 56... Bxf4 $6 {[#]} 57. Bxb6 $1 Bb8 58. Bc5 $16) 57. Ke3 Kg6 58. Kf3 Kh5 {Weighted Error Value: White=0.07/Black=0.08} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.4"]
[White "Mardov, Dimitar"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2312"]
[BlackElo "2079"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,42,34,44,47,48,48,59,19,10,8,26,9,15,21,20,13,24,15,36,41,55,71,103,93,95,66,62,56,183,177,181,182,175,177,174,179,168,168,171,171,171,175,284,284,29985,29986,29986,29987,29987,29988]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. b3 e5 7. dxe5 Ng4 8. Bb2 Nxe5 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 9. Nxe5 Bxe5 10. Bxe5 dxe5 {White is slightly better.} 11. Qc1 c6 {[#]} 12. Rd1 $146 ({Predecessor:} 12. Nd2 Qe7 13. a4 Rd8 14. a5 Bg4 15. Re1 Na6 16. Ne4 Bf5 17. Qe3 Bxe4 18. Qxe4 {½-½ (26) Dezelin,M (2259)-Sukovic,A (2084) Paracin 2016}) 12... Qe7 13. Nd2 Be6 14. c4 Na6 15. Qc3 Bf5 16. a3 {[%cal Ba2a3,Ba3a4,Ba4b5][%mdl 32]} Rad8 17. b4 Rd7 18. Nb3 f6 19. Rxd7 Qxd7 20. a4 Rc8 21. b5 cxb5 {This move loses the game for Black.} (21... Nb8 $1 $14) 22. axb5 $18 Nc5 23. Bd5+ Be6 24. Nxc5 Rxc5 25. Bxe6+ Qxe6 26. Rxa7 Rxc4 {[%mdl 4096] Endgame [#] KQR-KQR} 27. Qf3 {[%cal Rf3b7]} e4 28. Qf4 e3 (28... Qc8 $142 29. Qxf6 e3) 29. Qb8+ {[%mdl 64] Double Attack} (29. Qxe3 Qxe3 30. fxe3 Rc7 $14) 29... Rc8 $2 (29... Qc8 $18 30. Rxb7 (30. Qxb7 Qxb7 31. Rxb7 Rc2 $18) 30... exf2+ 31. Kxf2 Qf8) 30. Qxb7 {[%csl Ga7][%cal Rb7g7] White mates.} exf2+ 31. Kxf2 {[%csl Ga7][%cal Rb7g7]} Qf5+ 32. Kg2 {[%csl Ga7][%cal Rb7g7] Weighted Error Value: White=0.04/Black=0.48} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.5"]
[White "Wu, Derek"]
[Black "Putnam, Liam"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2175"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,94,10,19,0,0,0,0,0,0,0,4,0,0,-19,0,-10,0,0,0,0,3,6,11,0,7,-3,6,-4,0,-38,-38,-64,-66,-69,-77,-70,-72,-79,-94,-181,-68,-72,-55,-83,-84,-68,-45,-200,-149,-138,-110,-67,-75,-110,-110,-88,-72,-592,-550,-574,-573,-775,-775,-760,-756,-1049,-1006,-1565,-1468,-5023,-4911,-4606,-4582,-1941,-1918]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Bb7 11. Nc3 Rc8 12. e4 {E08: Closed Catalan: Main Line: 7 Qc2.} dxc4 13. Qa4 b5 14. Qxa7 {The position is equal.} Qb6 15. Qxb6 Nxb6 16. a3 {[#]} Rfd8 $146 ({Predecessor:} 16... Ra8 17. Rac1 Na4 18. Nxa4 Rxa4 19. Nd2 {½-½ (19) Lalic,B (2501)-Adams,M (2750) Southend 2001}) 17. Bh3 h6 18. Ne5 Nbd7 19. Nxd7 Rxd7 20. f3 Rcd8 21. Be3 Ne8 22. Rac1 Nc7 23. a4 Bf6 {[%cal Rf6d4]} 24. axb5 Nxb5 {[%cal Rf6d4]} 25. e5 Be7 {[%cal Rb5d4]} 26. Nxb5 cxb5 27. Rf1 Ra8 28. f4 Bd5 29. f5 Ra2 30. f6 (30. Rf2 $17) 30... Bf8 (30... gxf6 $19 31. exf6 Bd8) 31. fxg7 $15 Bxg7 32. Rf2 Rda7 33. Rcf1 b4 {Hoping for ...c3.} 34. Bg4 $2 {[#]} (34. Bg2 $15) 34... Ra1 35. Rxf7 Rxf1+ 36. Rxf1 Ra2 37. Rf2 c3 38. bxc3 {[#] Rxa2 is the strong threat.} b3 39. Bc1 $2 {[%mdl 8192]} (39. Bh5 $17) 39... Ra1 $19 {Black is clearly winning.} 40. Rf1 Bc4 41. Bxe6+ Bxe6 42. Bb2 Ra2 43. Rf2 Bf8 44. Kg2 Ba3 45. Bxa3 Rxa3 46. Kf3 Ra2 47. Rf1 b2 {Weighted Error Value: White=0.70/Black=0.07} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.10"]
[Round "3.6"]
[White "Wu, Rochelle"]
[Black "Eckert, Doug"]
[Result "1/2-1/2"]
[ECO "E34"]
[WhiteElo "2132"]
[BlackElo "2162"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,4,10,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,-20,-21,-14,-13,-14,-8,-3,-12,-14,-8,-17,-24,-11,-23,-4,-2,0,-35,-36,-57,-48,-54,-50,-52,-52,-32,-37,-50,-22,-52,-28,-52,-52,-53,-25,-58,-31,-73,-38,-58,-44,-59,0]} 1. d4 {Primel,D} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 Qf5 7. Qxf5 exf5 8. a3 Be7 9. Bf4 {E34: Nimzo-Indian: Classical: 4...d5.} c6 10. e3 Nbd7 11. Bd3 {The position is equal.} Nb6 12. Rc1 a5 13. O-O O-O 14. h3 Be6 15. Nd2 {[#]} Rfe8 $146 ({Predecessor:} 15... Rfc8 16. Bh2 g6 17. Rc2 a4 18. Ne2 Nfd5 19. Nf4 Bd6 20. Nxe6 Bxh2+ 21. Kxh2 fxe6 {1-0 (50) Gagunashvili,M (2576)-Lalic,B (2531) Sautron 2008 EXT 2009 [Primel,D]}) 16. Rfd1 Rac8 17. Be5 Red8 18. Ne2 Nfd5 19. Nc4 (19. Re1 {with more complications.} g6 20. Nf3 Na4 21. Rc2 Nab6 22. Rcc1) 19... Nxc4 20. Bxc4 f6 21. Bg3 Bf7 22. Nc3 Nxc3 23. Rxc3 Bxc4 24. Rxc4 Rd5 25. Rdc1 Rcd8 26. f3 $1 Rb5 27. R1c2 Rb3 28. Bf2 Rd5 29. Rd2 Rdb5 30. Rcc2 Kf7 31. Kf1 a4 32. Re2 Ke6 33. Be1 Bd8 (33... h5 {is more complex.} 34. e4 fxe4 35. fxe4 Bd6 36. Bc3 Rg5) 34. Bc3 Ba5 35. Bxa5 Rxa5 $11 {KRR-KRR} 36. Kf2 Kd6 37. Red2 Rab5 38. Ke2 g6 39. Kf2 Ke6 40. Ke2 Kd6 {Weighted Error Value: White=0.08/Black=0.06} (40... h5 $15) 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.1"]
[White "Colas, Joshua"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2298"]
[BlackElo "2351"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,82,3,0,9,-36,-43,-37,-47,-42,-41,-19,-39,-200,-187,-209,-209,-310,-231,-350,-269,-311,-286,-393,-296,-330,-293,-283,-292,-292,-296,-296,-278,-266,-234,-330,-305,-387,-310,-339,-332,-316,-300,-296,-319,-327,-282,-289,-236,-273,-268,-260,-198,-199,-195,-188,-195,-195,-195,-179,-195,-183,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 Bd6 7. g4 h6 8. Rg1 {8.h3 is vanishing.} e5 {D45: Semi-Slav: 5 e3.} 9. Bd2 e4 10. Nh4 Bxh2 {Black is slightly better.} 11. Rg2 Bb8 12. cxd5 cxd5 13. Rc1 $2 (13. Be2 $15) 13... Nb6 $19 14. Bb5+ Kf8 {[#]} ({Don't take} 14... Bd7 15. a4 $17) 15. Qd1 $146 (15. Na4 $142 Bd6 16. Nf5 Bxf5 17. gxf5) ({Predecessor:} 15. Na4 Bd6 16. Qb3 Nxa4 17. Rxc8 Rxc8 18. Nf5 Kg8 19. Bxa4 Rc7 20. Qb5 Bf8 21. Bb3 {0-1 (36) Thorfinnsson,B (2364)-Schandorff,L (2526) Valby 2008}) 15... g6 16. Rg1 (16. f4 $142) 16... Bh2 17. Rg2 Bd6 18. Rg1 Be6 19. f4 g5 20. Nf5 Bxf5 21. gxf5 gxf4 22. exf4 Rc8 23. Bf1 a6 24. Be3 (24. Qb3 $142) 24... Nc4 25. Qe2 Rg8 26. Rxg8+ Kxg8 27. Qg2+ Kh7 28. Bxc4 Rxc4 29. Kf2 Rc8 30. Rg1 {[%csl Gg1][%cal Rg2g7]} Qh8 31. Qh3 Rg8 32. Rg5 Rg7 33. Nxd5 Nxd5 34. Rh5 Kg8 $1 ({Inferior is} 34... Bxf4 35. Bxf4 Rg2+ 36. Kf1 $11) 35. Rxh6 {[%csl Gh3][%cal Rh6h8] [#]} Rh7 36. Qg3+ Kf8 37. Rxd6 {[#]} Rh2+ $2 (37... Ke8 $1 $19 38. Rxd5 Rg7 39. Re5+ Kd7 40. Rxe4 (40. Rd5+ $2 Kc7 $19) 40... Rxg3 41. Kxg3 Qg8+ 42. Kf3 Qh7) 38. Kg1 $11 {The position is equal.} Rh1+ 39. Kf2 Rh2+ 40. Kg1 Rh1+ 41. Kf2 {Strongly threatening Rd8+.} Rh2+ {Weighted Error Value: White=0.27/Black=0.27} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.2"]
[White "Li, Eric Yuhan"]
[Black "Matta, Nicholas"]
[Result "0-1"]
[ECO "A62"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,70,15,15,17,52,55,52,52,42,23,18,10,17,-82,-94,-103,-81,-121,-91,-122,-116,-101,-65,-67,-70,-75,-83,-334,-318,-327,-317,-326,-311,-277,-246,-246,-243,-237,-227,-202,-218,-414,-172,-186,-195,-668,-655,-1294,-1272,-1041,-670,-1047,-966]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Re1 a6 11. a4 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Ne4 12. Nxe4 Rxe4 13. Qc2 {White is slightly better. 13.Nd2 is vanishing.} Re8 14. Bd2 {[#]} Bg4 $146 ({Predecessor:} 14... Nd7 15. Bc3 Rb8 16. a5 Ne5 17. Bxe5 Bxe5 18. Nxe5 Rxe5 19. b4 cxb4 20. Qc4 b5 21. Qxb4 {1-0 (52) Troff,K (2541)-Daneri,M (2123) Caleta 2015}) 15. Ra3 Nd7 16. b4 (16. a5 $11) 16... b5 $17 17. axb5 axb5 18. Qa2 c4 19. Bf4 Bc3 {[#] White must now prevent ...Bxf3.} 20. Rb1 Bxf3 (20... Rxa3 {looks sharper.} 21. Qxa3 Bf6 22. Bxd6 Rxe2 23. Bf4 Qe8) 21. Bxf3 Be5 22. Bxe5 Nxe5 23. Ra1 $2 {[%mdl 8192] This costs White the game.} (23. Bg2 $17) 23... Nxf3+ $19 24. exf3 {[%cal Ra3a8]} Rxa3 25. Qxa3 {[%mdl 4096] Endgame KQR-KQR} Qf6 26. Kg2 Qd4 27. Qa7 {[#]} Qxa7 ({Less strong is} 27... Qxd5 28. Qd7 $15) 28. Rxa7 {KR-KR} Re5 29. Rb7 Rxd5 30. f4 $2 (30. Kf1) 30... Kg7 (30... c3 $142 31. Rc7 Rd3) 31. Kf3 Kf6 32. Ke4 $2 (32. h4) 32... Rd3 {[%csl Gd3][%cal Rd6d5] Black is clearly winning.} 33. Rb6 Ke6 {[%csl Ge6,Gg6][%cal Rf7f5]} 34. f5+ gxf5+ 35. Kf4 c3 {Weighted Error Value: White=0.98/Black=0.14} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.3"]
[White "Wang, Tianqi"]
[Black "Putnam, Liam"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2335"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,29,36,8,17,0,24,24,10,18,19,-32,0,0,4,-7,0,0,3,-8,-13,-12,-10,-11,-2,-17,-10,-57,-24,-104,-105,-212,-212,-212,-216,-240,-254,-385,-360,-771,-766,-704,-472,-463,-467,-450,-456,-1096,-707,-703,-714,-800,-797,-766,-761]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 a6 5. Bd3 Nc6 6. a3 {B23: Closed Sicilian: Lines without g3.} e6 7. O-O d5 8. exd5 {White has an edge.} exd5 9. Re1+ Be7 $1 {[#]} 10. Ne5 $146 (10. Be2 $11) ({Predecessor:} 10. Bf1 Nf6 11. d4 cxd4 12. Nxd4 O-O 13. Bg5 h6 14. Bh4 Nxd4 15. Qxd4 Be6 16. Bd3 {½-½ (69) Puranik,A (2548)-Timofeev,A (2602) Kazan 2019}) 10... Nf6 11. Nxc6 bxc6 12. Be2 O-O 13. d3 Bd6 14. Bf3 Qc7 15. h3 Rb8 16. Na4 Bf5 17. Be3 Nd7 18. Bg4 Bxg4 19. Qxg4 (19. hxg4 $11 Rfe8 20. Rb1) 19... f5 $17 20. Qh4 (20. Qf3 $17) 20... f4 $19 21. Bd2 f3 22. Re6 {[#]} fxg2 23. Kxg2 (23. Rae1 $142 Ne5 24. R6xe5 Bxe5 25. Nxc5) 23... Ne5 {Strongly threatening ...Nf3.} 24. Bg5 $2 (24. Rxd6 Qxd6 25. Bf4) 24... Nf3 {Black is clearly winning.} 25. Qg4 {[#]} Be7 $1 {[%mdl 512]} 26. Qg3 ({Don't blunder} 26. Bxe7 $2 Qh2+ 27. Kf1 Nd2+ 28. Ke1 Qxf2+ 29. Kd1 Nf3) 26... Qxg3+ 27. fxg3 Bxg5 28. Rxc6 (28. c3 $142 Nd2 29. h4) 28... Nd4 29. Rxc5 Be3 {( -> ...Rf2+)} 30. h4 Rf2+ {[%mdl 64] Double Attack} 31. Kh3 Nxc2 {[%mdl 64] Discovered Attack.  Weighted Error Value: White=0.59/Black=0.24} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.4"]
[White "Oberoi, Shelev"]
[Black "Mardov, Dimitar"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2229"]
[BlackElo "2312"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,25,-4,31,6,10,6,20,-12,-12,-81,-18,-24,10,6,13,0,10,-8,0,-11,-12,-33,0,0,0,-8,0,-22,17,-193,-204,-204,-203,-199,-205,-189,-183,-772,-292,-495,-507,-557,-564,-9489,-6053,-5118,-5118,-29986,-29987]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Be3 Bb6 7. Bc4 Nge7 {has lost popularity (7...Nf6). C45: Scotch Game.} 8. Bg5 {[#]} d6 $146 ({Predecessor:} 8... O-O 9. Nf5 d6 10. Nxg7 Kxg7 11. Qh5 Qe8 12. Qh6+ Kg8 13. Bf6 {1-0 (13) Turicnik,V (1999)-Petauer,E (1932) Slovenia 2017}) 9. Nxc6 bxc6 {The position is equal.} 10. Qf3 (10. O-O {with more complications.} O-O 11. Bh4 Qe8 12. Nd2 Ng6 13. Bg3) 10... O-O 11. Qg3 (11. O-O $11 {keeps the balance.}) 11... Qe8 ({Black should play} 11... d5 $17 {Threatens to win with ...f6.} 12. Bd3 f6) 12. O-O $1 $11 Be6 13. Bxe6 fxe6 14. Nd2 Ng6 15. Nc4 e5 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qe6 17. Nd2 a6 18. a5 Ba7 19. b3 d5 20. Kh1 h6 21. f4 {Loses the game.} dxe4 $19 ({And not} 21... hxg5 22. f5 $11) 22. f5 Rxf5 23. Rxf5 Qxf5 24. Be3 {[#]} Rd8 $1 {...Rd3 is the strong threat.} 25. Rf1 $2 {[#]} (25. Qe1 Bxe3 26. Qxe3) 25... Nf4 $1 26. Qf2 (26. Nc4 {was necessary.} Rd3 27. Qe1 Bxe3 28. Nxe3) 26... Bxe3 27. Qxe3 Qg4 {[%csl Gf4][%cal Rg4g2]} 28. g3 {[#]} Rd3 $1 29. Qe1 {[#]} e3 $1 30. Ne4 {[#]} (30. gxf4 Rxd2) 30... e2 $1 {Weighted Error Value: White=0.99/Black=0.36} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.5"]
[White "Eckert, Doug"]
[Black "Wu, Derek"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "2162"]
[BlackElo "2175"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,59,27,15,14,0,0,0,56,42,85,111,166,174,186,186,214,211,208,199,206,214,267,263,244,254,365,362,1492,1375,29992,29993,29997,29998,29998,29998]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O b6 13. Rad1 Bb7 14. Rfe1 Rc8 {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} 15. Bb3 h6 16. h3 Qc7 (16... Qf6 $11) 17. d5 $14 {[#]} exd5 $146 ({Predecessor:} 17... Nc5 18. Nd4 exd5 19. e5 Ba6 20. Nf5 Rcd8 21. Qf4 Bc8 22. Nxh6+ gxh6 23. Re3 Kh7 {½-½ (115) Kobo,O (2460)-Abdusattorov,N (2627) Chess.com INT 2021}) 18. exd5 Qd8 {[#]} (18... Qd6 $16 {was called for.}) 19. Qf4 $1 $18 Nc5 20. d6 Nxb3 21. axb3 Bxf3 22. Qxf3 Qf6 23. d7 Rb8 {intending ...Qxf3.} 24. Qg3 {[#] Threatens to win with Qxb8!} Qc6 25. Rd6 Qc5 (25... Qc2 $142 26. Qe3 Rbd8) 26. Rxh6 {And now Qxb8! would win.} Qb5 $2 (26... Rbd8 27. Rd6 b5) 27. Re4 {White threatens Reh4 and mate.} Qxd7 28. Reh4 {[%csl Gh4][%cal Rh6h8] White mates.} g6 29. Rh8+ Kg7 30. Qc3+ {White took control after the opening.  Weighted Error Value: White=0.02/Black=0.70} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "4.6"]
[White "Yanayt, Eugene"]
[Black "Wu, Rochelle"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2079"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,39,15,24,19,30,8,21,34,26,8,17,-10,-4,-4,-8,-8,-18,-35,0,0,0,-15,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 a6 6. Bd2 Bd6 7. Qc2 Nbd7 8. e4 {D45: Semi-Slav: 5 e3.} dxe4 9. Nxe4 Nxe4 10. Qxe4 c5 11. Bc3 Nf6 12. Qc2 cxd4 13. Nxd4 {[#]} Qc7 $146 ({Predecessor:} 13... O-O 14. Be2 Qb6 15. O-O Bd7 16. b4 Qc7 17. Nf3 Bc6 18. c5 Bf4 19. g3 Ng4 {1-0 (50) Markus,R (2584)-Jurkovic,H (2431) Rijeka 2005}) 14. O-O-O O-O 15. Bd3 e5 (15... b5 $5) 16. Nf5 {The position is equal.} Bc5 {White must now prevent ...e4!} 17. Kb1 Re8 18. Rhe1 Bxf5 19. Bxf5 Bd4 20. g3 {Not much happened in this game.  Weighted Error Value: White=0.09/Black=0.04} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.1"]
[White "Putnam, Liam"]
[Black "Matta, Nicholas"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2076"]
[BlackElo "2201"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,82,31,57,54,50,24,47,21,129,-14,10,0,-12,-59,-38,-180,-144,-220,-216,-498,-503,-455,-210,-322,-122,-115,-135,-211,-202,-338,-331,-338,-316,-299,-250,-231,-232,-355,-331,-585,-318,-327,-310,-333,-331,-619,-583,-1071,-1031,-991,-942,-1088,-1072,-1060,-1079,-29994,-29995,-29995,-29996]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 a6 11. a4 Ne4 12. Nxe4 Rxe4 13. Nd2 Rb4 14. Ra2 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} Qe7 15. Qc2 {[#]} Qxe2 $146 ({Predecessor:} 15... Be5 16. Bxe5 Qxe5 17. Nc4 Qf6 18. Ra3 Bf5 19. e4 Bd7 20. Rf3 Qe7 21. Re1 b5 22. Nxd6 Qxd6 {0-1 (43) Santos,A (2184)-Fernando,D (2360) Lisbon 2002}) 16. Bxd6 {White is slightly better.} (16. Qc1 $5 {[%cal Rf1e1]} Rxf4 17. gxf4 $14) 16... b6 {[#]} (16... Bd4 $11 {remains equal.}) 17. Bf3 {[#]} ({White must play} 17. Qc1 $1 $16 {Hoping for Re1.} Bd4 18. Nf3) 17... Bf5 $1 18. Qc1 (18. Bxe2 Bxc2) 18... Qd3 {...Bh6 is the strong threat.} 19. Ra3 (19. Re1 $5 {[%cal Re1e8]} Nd7 20. Re3 $11) 19... Qd4 20. Bc7 (20. Bf4 $15) 20... Nd7 $19 (20... Rxb2 21. Nc4 $15) (20... Qxb2 $2 21. d6 $18) 21. d6 (21. Qc3 $17) 21... Re8 (21... Rxb2 22. Bxa8 Rxd2 23. Re3 $15) 22. Re1 $2 (22. Qc3) 22... Rxe1+ 23. Qxe1 Be5 (23... Rxb2 $142 24. Nf1 Ne5) 24. Bc6 (24. Ra2 $142) 24... Bxd6 $2 (24... Rxb2 25. Nf3 $17) (24... Qxb2 $19 {and Black stays clearly on top.} 25. Rf3 Bh3) 25. Nf3 $17 {[#]} Qf6 $1 ({Avoid the trap} 25... Qxb2 $2 26. Bxd6 Qb1 27. Ra1 $18) 26. Qe8+ (26. Bxd7 $17 Bxd7 27. Qd2 Bxc7 28. Qxd7) 26... Kg7 $19 27. Bxd6 (27. Bxd7 $142 Bxc7 28. Bxf5 Qxf5 29. Qe7) 27... Qxd6 28. Ng5 Ne5 ({Not} 28... Qxc6 29. Qxf7+ Kh6 30. f4 $11) 29. Re3 Qxc6 ({Don't blunder} 29... Nxc6 $2 30. Qxf7+ Kh6 31. h4 $18) 30. Qxe5+ Qf6 31. Qxf6+ (31. Nxf7 {might work better.} Qxe5 32. Nxe5) 31... Kxf6 32. Nxh7+ {[%mdl 4096] Endgame KRB-KRN} Kg7 33. Ng5 Rxb2 34. h4 c4 35. Re7 $2 (35. Kg2) 35... c3 36. Nxf7 Kf6 37. Rc7 c2 38. Kh2 Rb1 39. Ng5 c1=Q {[%csl Gb1][%cal Rc1h1]} 40. Rf7+ Ke5 {[%csl Gb1][%cal Rc1h1]} 41. Re7+ Kd6 {[%csl Gb1][%cal Rc1h1] Weighted Error Value: White=0.98/Black=0.35} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.2"]
[White "Mardov, Dimitar"]
[Black "Colas, Joshua"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2312"]
[BlackElo "2298"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,128,15,49,45,61,12,32,12,37,18,19,12,37,9,20,6,14,11,19,9,22,12,16,10,16,5,17,17,12,0,0,0,14,14,20,19,26,3,9,0,0,0,0,0,9,7,112,87,116,66,163,139,233,233,233,233,233,228,243,235,337,238,243,175,176,169,184,162,247,108,134,66,61,0,4,0,0,0,0,0,0,0,11,15,8,8,116,116,116,116,116,116,116,45,45,45,117,117,117,117,117,117,117,117,117,117,117,117,117,116,117,116,116,116,116,0,116,0,116]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 g6 7. Bd3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Bg7 8. Ne2 Nd7 9. O-O {White is slightly better.} Ne7 {[#]} 10. Rd1 $146 ({Predecessor:} 10. c3 O-O 11. Bg5 h6 12. Be3 dxe4 13. Bxe4 a5 14. h4 a4 15. Rad1 Nd5 16. Bb1 Qxh4 {0-1 (28) Migot,T (2353)-Jobava,B (2603) Europe Echecs INT 2020}) 10... O-O 11. c3 dxe4 (11... e5 $5 {[%cal Rf7f5]}) 12. Qxe4 Nd5 13. Nf4 Qb6 14. Qe2 Rfe8 15. Qc2 Rac8 16. a4 Qc7 17. Nxd5 cxd5 18. Bf1 a6 19. a5 Nb8 20. Be3 Nc6 21. Qa4 Ne7 22. g3 Nc6 23. h4 Bf8 24. b4 Bd6 {Threatening ...Bxg3!} 25. Kg2 Ne7 {Strongly threatening ...Nf5.} 26. Bd2 Nf5 {[%cal Rd6g3]} 27. Be1 e5 28. dxe5 Bxe5 (28... Rxe5 $11 {remains equal.} 29. Rd3 Re4) 29. Rxd5 $16 Qe7 ({Don't go for} 29... Bxc3 $2 30. Rc5 $1 $18) 30. b5 Qe6 ({Better is} 30... Bxc3 $14 31. Bxc3 Rxc3) 31. Rad1 $1 $18 Bxc3 (31... Re7 $16) 32. Bxc3 Rxc3 {[#]} 33. bxa6 $1 bxa6 {[#]} 34. Bxa6 {[%mdl 512]} Kg7 (34... Re7 35. Rd8+) 35. Bb5 Re7 (35... Rb8 {was called for.} 36. Bd7 Ne3+ 37. Kg1 Qf6) 36. R5d3 Rc5 37. Bd7 Qe5 38. a6 {Threatens to win with a7.} Ra5 39. Qc4 {Hoping for Rd5.} Qf6 (39... Qe2 $142) 40. Rf3 (40. Bxf5 $18 {and the rest is easy.} Rxf5 41. R1d2) 40... Qxa6 41. Qc3+ (41. Qxa6 $16 Rxa6 42. Bxf5 gxf5 43. Rxf5) 41... f6 $14 42. Bxf5 (42. h5 $14) 42... Rxf5 $11 43. Rxf5 gxf5 $14 {[%mdl 4096] Endgame KQR-KQR} 44. Qc5 Qb7+ 45. Kh2 Re5 46. Qd4 Qe4 47. Qd8 {Threatening mate with Rd7+.} Re7 48. Rd4 $36 {[%mdl 2048] White has the initiative.} Qb7 (48... Qe6 $1 $11) 49. Rd5 $16 f4 {[#]} 50. g4 $1 {[%cal Rg4g5] Black must now prevent g5.} Qc7 51. Qxc7 Rxc7 {KR-KR} 52. Rd4 (52. Rf5 $16) 52... Kg6 $14 53. Rxf4 Ra7 (53... h5 $1 $14) 54. Rf5 $16 Rb7 55. Kg3 Ra7 56. Rb5 Rc7 57. Rb6 {g5 is the strong threat.} h6 58. Rd6 Ra7 59. f3 Rb7 60. Rd8 Ra7 61. h5+ Kf7 62. Rh8 {White wants to mate with Rh7+.} Kg7 63. Rd8 Kf7 $1 64. Rh8 {White threatens Rh7+ and mate.} Kg7 {Black escapes into a draw.  Weighted Error Value: White=0.17/Black=0.20} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.3"]
[White "Liang, Jason"]
[Black "Li, Eric Yuhan"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2351"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,155,12,29,29,45,45,41,35,39,15,20,10,21,12,16,18,33,31,27,19,25,10,41,24,31,29,16,7,14,15,10,7,16,0,0,0,0,0,0,0,33,0,0,0,0,0,0,-31,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,0,12,0,0,0,0,0,0,0,0,0,93,93,93,93,93,93,93,93,93,0,93,93,93,12,93,93,93,93,93,93,93,93,94,69,69,69,69,69,69,7,7,7,7,7,7,7,7,7,9,9,9,9,9,9,80,80,80,80,80,80,80,80,80,80,80,7,7,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {Sagar Shah} c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ngf6 5. Nc3 g6 6. a5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} a6 7. Bc4 {[#] Hoping for Bxf7+!} Qc7 $146 ({Predecessor:} 7... Bg7 8. d3 O-O 9. O-O Nb8 10. e5 Ne8 11. Nd5 Nc6 12. Nb6 Rb8 13. Nxc8 Rxc8 {0-1 (34) Praggnanandhaa,R (2529)-So,W (2780) Leon 2018 CBM 185 [Sagar Shah]}) 8. d3 {White is slightly better.} Bg7 9. Bd2 O-O 10. O-O Nb8 11. Qc1 Nc6 12. Nd5 $1 {[%cal Rd5c7]} Nxd5 13. exd5 Nd4 14. Nxd4 cxd4 15. Re1 e5 16. Ra4 Bf6 17. c3 Bf5 18. cxd4 exd4 19. Ra1 Rfe8 20. Bf4 Re7 21. Qd2 Rae8 22. h3 Rxe1+ (22... Be5 {with more complications.} 23. b4 Qd7 24. Bh2 Bxh2+ 25. Kxh2 Rxe1 26. Rxe1 Rxe1 27. Qxe1 Qd8) 23. Rxe1 Rxe1+ 24. Qxe1 Qe7 25. Qd2 h5 26. Kf1 Be5 27. Qe1 Kg7 28. Bh2 Kf8 29. f4 Bf6 30. Qxe7+ Kxe7 $11 {[%mdl 4096] Endgame KBB-KBB} 31. Ke2 h4 32. Bg1 Kd8 33. Bb3 Bd7 34. Bd1 Bb5 35. Bf2 Bd7 36. Kd2 Kc7 37. Bg4 Bb5 38. Ke2 Kd8 39. b3 Kc7 40. f5 g5 41. Bh5 Bd7 $1 42. Bxf7 Bxf5 43. Bh5 Kd7 (43... b6 $11 {remains equal.}) 44. Bg4 $1 $16 {[%cal Rg4f5]} Bxg4+ 45. hxg4 {KB-KB} Be5 46. Kf3 {Black must now prevent Ke4.} Ke7 47. Ke4 {Strongly threatening Kf5.} Kf6 48. Kf3 ({White should try} 48. Be1 $16) 48... Kg6 (48... Ke7 $1 $11) 49. Ke2 Kf6 50. Kd1 ({White should play} 50. Bg1 $1 $16) 50... Ke7 (50... Bh2 $11) 51. Kc2 Kd7 52. b4 Ke7 53. Kb3 Kd7 54. Kc4 Ke7 55. b5 Kf7 56. Be1 Ke7 57. Bb4 Kf6 58. bxa6 (58. Ba3 $14) 58... bxa6 $11 59. Ba3 Kg6 60. Bc1 Kf6 61. Bb2 Kg6 62. Kb3 Kf6 63. Kc2 Kg6 64. Kd1 Kf6 65. Ke2 Kg6 (65... Bf4 $11 {keeps the balance.}) 66. Kf3 $16 Kf6 67. Ke4 Kg6 {[#]} 68. Bc1 $1 Kf6 69. Bd2 Kg6 70. Be1 Kf6 {[#]} 71. Bf2 (71. Bb4 $1 $16) 71... Kg6 $11 {The position is equal.} 72. Bxd4 (72. Kf3 {feels hotter.} Kf6 73. Ke2 Kf7 74. Kd1 Bf6 75. Kc2) 72... Bxd4 73. Kxd4 {KP-KP} Kf6 74. Ke4 Kg6 75. Kf3 Kf6 76. d4 Kg6 77. g3 hxg3 78. Kxg3 {Weighted Error Value: White=0.11/Black=0.13} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.4"]
[White "Wang, Tianqi"]
[Black "Eckert, Doug"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2335"]
[BlackElo "2162"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,26,22,36,37,19,29,30,22,9,58,56,46,27,37,35,45,12,18,-11,-11,-29,-17,0,0,-31,78,-57,-66,-73,104,124,121,115,121,111,125,129,121,127,171,160,153,166,219,212,212,207,203,202,224,218,216,203,220,192,192,192,198,204,204,195,294,216,215,214,209,202,201,196,211,206,209,203,206,206,243,240,238,238,268,242,276,247,277,269,338,310,338,327,723,317,664,289,491,484,481,470,420,346]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nf3 Bc5 6. Nc3 {[%cal Bb1c3,Bc3b5,Bb5d4,Bd4b3][%mdl 32] C45: Scotch Game.} Nge7 {[#]} 7. Nb5 $146 ({Predecessor:} 7. Bg5 Qg6 8. Bd3 h6 9. e5 Qh5 10. Bxe7 Nxe7 11. Ne4 Bb6 12. h3 Qg6 13. Nd6+ cxd6 14. Bxg6 Nxg6 15. exd6 {1-0 (29) Caspi,I (2489)-Garcia Ramos,D (2367) chess.com INT 2020}) 7... Bb6 8. Be3 {White has an edge.} Ba5+ 9. c3 a6 10. Nbd4 h6 11. Nb3 Bb6 12. Bxb6 cxb6 13. Qd2 O-O 14. O-O-O d5 $1 15. exd5 {[#]} Rd8 $1 16. c4 (16. Nbd4 Nxd5) 16... b5 {aiming for ...bxc4.} 17. Qc3 {[#]} bxc4 (17... Qd6 $1 $15) 18. Bxc4 (18. Qxf6 $16 gxf6 19. dxc6 (19. Bxc4 Nb4 $14) 19... Rxd1+ 20. Kxd1 cxb3 21. cxb7 Bxb7 22. axb3) 18... Qf4+ $15 19. Kb1 {[#]} Bf5+ $2 (19... Nxd5 $1 $17 {and life is bright.} 20. Bxd5 (20. Rxd5 Rxd5 21. Bxd5 Qf5+ {[%mdl 64] Double Attack} 22. Qc2 Qxd5 $15) 20... Qf5+ {[%mdl 64] Double Attack} 21. Ka1 Rxd5) 20. Ka1 $16 {Black is on the road to losing.} b5 21. dxc6 bxc4 {[#]} 22. Na5 $1 $36 {[%mdl 2048] Keeping Black busy.} Bd3 23. Qe5 Qxe5 24. Nxe5 Rd5 25. Naxc4 Bxc4 26. Nxc4 {Threatens to win with Rxd5.} Rc5 (26... Rad8 $142 27. Rxd5 Rxd5) 27. Nb6 $18 Re8 28. Rhe1 {Nd5! is the strong threat.} Rxc6 29. Nd5 Re6 30. Rxe6 fxe6 {[%mdl 4096] Endgame KRN-KRN} 31. Nc7 Rc8 32. Nxe6 Rc2 33. Rf1 Nd5 34. Kb1 Re2 35. Nc5 Kf7 (35... a5 {keeps fighting.} 36. h4 Nb4) 36. Nd3 Rd2 37. Ne5+ Kf6 38. Nf3 Re2 39. Ng1 Rd2 40. Kc1 Rd4 41. Ne2 Rc4+ 42. Kd2 Ke5 43. Rc1 Rb4 44. b3 Rb7 45. Rc4 g5 46. g3 Nf6 47. Nc3 g4 48. b4 h5 49. a4 Nd5 $2 (49... Rf7 50. Ke3 Rb7 51. Rc5+ Kd6) 50. b5 (50. Rc5 $142) 50... Rf7 $2 (50... Nxc3 51. Kxc3 axb5 52. Rc5+ Kd6 53. Rxb5 Rc7+ 54. Kb4 Rc2 55. Rxh5 Rxf2) 51. Ke2 (51. Rc5 $142 Ke6 52. Rxd5 axb5 53. axb5 Rxf2+ 54. Kc1) 51... Rf3 $2 (51... Nxc3+ {was worth a try.} 52. Rxc3 axb5 53. Rc5+ Kd4 54. Rxb5 Rh7) 52. Nxd5 Kxd5 53. Rb4 Kc5 54. Re4 {Weighted Error Value: White=0.26/Black=0.39} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.5"]
[White "Yanayt, Eugene"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2079"]
[BlackElo "2229"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,102,16,41,-104,45,33,35,20,38,43,36,38,43,47,96,57,79,78,64,77,88,85,120,113,121,114,139,120,131,116,137,75,93,39,38,-6,26,16,33,-91,-75,-252,-98,-184,-168,-161,-154,-188,-188,-230,-203,-226,-217,-227,-179,-167,-176,-170,-105,-268,-289,-394,-379,-394,-394,-500,-469,-527,-429,-527,-509,-614,-589,-729,-740,-814,-806,-1138,-877,-672,0,-679,-658,-1104,-1029,-5285,-3511,-29954,-29961,-29960,-29959]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Bg5 c5 7. d5 Qa5 {Hoping for ...Nxe4.} 8. Bd3 {[#] E71: King's Indian: 4 e4 d6 5 h3.} (8. Qd2 $14 {keeps the upper hand.}) 8... e6 (8... Nxe4 $1 $17 {[%mdl 512]} 9. Bxe4 Bxc3+ 10. Bd2 (10. bxc3 Qxc3+ 11. Kf1 Qe5 $17 {[%mdl 64] Double Attack}) 10... Bxd2+ 11. Qxd2 Qxd2+ 12. Kxd2 Nd7) 9. Nge2 $14 exd5 10. cxd5 {White is slightly better.} a6 11. a4 Nbd7 12. O-O {[#]} h6 $146 ({Predecessor:} 12... Ne5 13. f4 Nxd3 14. Qxd3 Re8 15. e5 Bf5 16. Qf3 dxe5 17. fxe5 Nd7 18. e6 fxe6 {½-½ (54) Bedos,M (2277)-Gachet,S (2290) France 2008}) 13. Bf4 Ne8 14. Ng3 Ne5 15. Be2 Qd8 16. Qd2 h5 17. Rfe1 h4 18. Nf1 f5 19. Nh2 fxe4 20. Nxe4 Bf5 21. Ng5 Qf6 22. Be3 ({White should play} 22. Rac1) 22... Nc7 23. Ra2 (23. b4 $16) 23... Rae8 24. Nhf3 Nxf3+ 25. Nxf3 Be4 26. Bg5 (26. b4 $14) 26... Qf5 $17 {[%cal Re4f3]} 27. Bxh4 $2 (27. Be3 $17) 27... Qxd5 $2 (27... Bxf3 $19 {and Black stays clearly on top.} 28. gxf3 Qxh3) 28. Rc1 {[#]} Qxd2 $1 $19 ({And not} 28... Bxf3 29. Bc4 $16) 29. Nxd2 {[#]} Bxg2 {[%mdl 512]} 30. Bc4+ (30. Bg4 Bd5) 30... Bd5 31. b3 b5 32. axb5 axb5 33. Bd3 Kh7 34. Ra7 Rf7 35. Bg3 {[#]} Be5 ({Better is} 35... Bd4 $1 $19 36. Bf1 c4 37. bxc4 Bxa7 38. cxd5 Kg7) 36. Nf1 $2 (36. Be4 $17 Bxg3 37. Bxd5 Bxf2+ 38. Kg2) 36... Bxb3 37. h4 {Threatening h5.} Kg7 38. Bxe5+ Rxe5 39. Ne3 c4 40. Bf1 Nd5 41. Rxf7+ Kxf7 42. Ng4 Re4 43. f3 Rd4 44. Ra1 Ba4 45. Kf2 Rd2+ 46. Ke1 Rd4 $2 ({Black should try} 46... c3 $19 47. Be2 Nb4) 47. Nf2 $2 {[%mdl 8192]} (47. Kf2 $11 c3 48. Be2) 47... Ne3 {Threatens to win with ...Nc2+.} 48. Ra2 Nxf1 49. Kxf1 c3 50. Ke2 c2 51. Ra1 Rd1 {[%mdl 64] Promotion.  Weighted Error Value: White=0.60/Black=0.31} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "5.6"]
[White "Wu, Rochelle"]
[Black "Wu, Derek"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2132"]
[BlackElo "2175"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,32,8,0,11,-24,-26,-19,-18,-15,-8,-10,-11,-26,-21,-36,-31,-41,15,29,10,13,17,2,13]} 1. g3 d5 2. Bg2 Nf6 3. d4 e6 4. Nf3 Be7 5. O-O O-O 6. c3 c5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Qc2 b6 8. Nbd2 {[#]} Ba6 $146 ({Predecessor:} 8... Bb7 9. Ne5 cxd4 10. cxd4 Qc8 11. Qb3 Nc6 12. Ndf3 Na5 13. Qa4 Qe8 14. Qxe8 Raxe8 {½-½ (27) Vrona,M (1930)-Borsos,B (2257) Harkany 2018}) 9. Re1 Nc6 10. dxc5 Bxc5 11. b4 Be7 12. Qa4 Bb7 13. Bb2 a5 (13... Qc7 $15) 14. b5 $11 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 15. Rad1 Nbd7 16. c4 Nc5 {Weighted Error Value: White=0.07/Black=0.11} 1/2-1/2

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "6.1"]
[White "Matta, Nicholas"]
[Black "Wang, Tianqi"]
[Result "*"]
[ECO "A61"]
[WhiteElo "2201"]
[BlackElo "2335"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,75,46,29,49,12,14,0,0,0,0,0,-10,0,0,-6,5,-33,-33,-33,-13,-16,-8,-24,-5,-46,-41,-49,-33,-33,-32,-89,-39,-39,-39,-39,-40,-131,-127,-129,-89,-70,-35,-22,0,0,83,72,74,88,83,0,218,218,221,219,329,324,398,-972]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Bf4 a6 8. a4 Bg7 9. h3 O-O 10. e3 Re8 {10...Ne8 is a critical line. A61: Modern Benoni: Nf3 without early e4.} 11. Be2 Ne4 12. Nxe4 Rxe4 {The position is equal.} 13. Ra2 Rb4 14. b3 Qe7 15. O-O Nd7 {[#]} 16. Nd2 $146 ({Predecessor:} 16. Bc4 Nb6 17. Nd2 Be5 18. Bxe5 Qxe5 19. a5 Nd7 20. Nf3 Qe7 21. Qa1 b5 22. axb6 Rxb6 {½-½ (34) Levkovsky,A (2284)-Chiku Ratte,O (2233) Montreal 2013}) 16... Ne5 17. Nc4 Nxc4 18. Bxc4 Bd7 19. e4 b5 20. axb5 Bxb5 21. Qd3 Bxc4 22. bxc4 a5 23. Bd2 a4 24. Qc2 (24. Bxb4 $15 cxb4 25. Rb1) 24... Qa7 25. Rb1 $1 Rxb1+ 26. Qxb1 Be5 {And now ...Rb8 would win.} 27. f4 (27. Qc2 $15) 27... Bd4+ $17 28. Kh2 h5 29. Qd3 Qb7 30. Be3 Bb2 31. e5 a3 (31... dxe5 $11 {keeps the balance.} 32. f5 (32. Bxc5 exf4 33. d6 Rd8 $11) 32... Bd4) 32. exd6 $16 Qb6 33. d7 Qd6 34. Qb3 ({White should play} 34. Qe4 $16 Qxd7 35. Bxc5) 34... g5 $2 {[#]} (34... Qxd7 $11 {and Black has nothing to worry.} 35. Bxc5 Qf5) 35. Bxc5 $1 $18 {[%mdl 512]} Qxf4+ ({Much worse is} 35... Qxc5 {[#]} 36. Qxb2 $3 {[%mdl 512]} Qxc4 37. Qxa3 $1 $18 {[%mdl 512]} (37. fxg5 $2 Qc7+ 38. d6 Qxd6+ 39. g3 axb2 $19)) 36. Qg3 {Qxf4 is the strong threat.} Qf6 (36... Qf5 $142 37. Rxa3 (37. Bxa3 $2 Be5 $19) 37... Bxa3 38. Bxa3 Rd8) 37. Rxa3 ({Wrong is} 37. Bxa3 $2 Be5 $19) 37... Rd8 {Strongly threatening ...Be5.} 38. Ra2 $4 {[%mdl 8192] Weighted Error Value: White=0.15/Black=0.33} (38. Re3 $18 Rxd7 39. Re8+ Kh7 40. Be3) *

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.12"]
[Round "6.2"]
[White "Colas, Joshua"]
[Black "Putnam, Liam"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2298"]
[BlackElo "2076"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,125,37,12,26,37,56,3,27,14,18,27,37,31,52,32,71,28,33,33,32,34,43,34,41,30,34,31,41,33,35,28,43,52,42,29,37,18,16,8,23,21,40,38,62,72,107,108,315,300,302,296,484,478,450,435,542,542,535,532,472,436,419,411,461,451,520,526,522,522,511,510,457,471,506,506,542,530,574,572,645,638,690,662,1610,612,2031,970,29980,29981,29982,29983,29983,29984,29983,29984,29983,29980,29978,29979,29984,29985,29986,29987,29990,29991,29991,29992,29992,29992,29992,29993,29994,29995,29995,29996]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qb3 Be7 {A13: English Opening: 1...e6.} 8. O-O O-O 9. Nc3 {has lost popularity (9.d4).} ({White should play} 9. d4 $14) 9... c5 {The position is equal.} 10. a4 Qc7 11. d3 Bd6 12. a5 {[#]} b5 $146 ({Predecessor:} 12... Nb8 13. Bg5 Nc6 14. Bxf6 gxf6 15. Qc4 Be7 16. Qg4+ Kh8 17. Qh5 Rg8 18. Ne4 Rg6 {1-0 (39) Lewis,A (2272)-Polaczek,R (2389) England 2018}) 13. axb6 $1 Nxb6 {[%cal Bd7b6,Bb6d5,Bd5b4][%mdl 32]} 14. Qc2 Bb7 15. b3 Nbd5 16. Bb2 Rfb8 17. Rfc1 Nb4 18. Qd1 Qe7 19. Na4 Nd7 20. Nd2 Bxg2 21. Kxg2 Nb6 22. Nxb6 Rxb6 23. Nc4 Rb5 24. Kg1 Qd7 25. Ra4 Bf8 26. Rca1 Rab8 27. Bc3 Nd5 28. Be5 R8b7 29. Rxa6 Rxb3 $2 {Loses the game.} (29... Nc7 $16 {keeps fighting.}) 30. Na5 {[%mdl 64] [#] Double Attack} R3b6 31. Nxb7 Rxa6 (31... Rxb7 32. Qc1 f6) 32. Rxa6 $18 Qxb7 33. Qa1 f6 34. Bd6 Bxd6 35. Rxd6 {[%mdl 4096] Endgame KQR-KQN} Kf7 36. Ra6 {[#] And now Ra7 would win.} Qb3 37. Ra3 Qc2 38. Ra2 Qb3 39. Rb2 Qc3 40. Rb7+ Kg6 41. Qxc3 Nxc3 {KR-KN} 42. Kf1 f5 43. Rc7 Na4 44. Ke1 Kf6 45. f4 h6 46. Kd2 g5 47. Rb7 e5 48. e3 (48. Ra7 $142 exf4 49. Rxa4) 48... h5 49. Kc2 (49. Ra7 $142 exf4 50. Rxa4 fxg3 51. hxg3) 49... gxf4 50. gxf4 {White mates.} exf4 51. exf4 c4 52. d4 c3 53. Rb4 Nb2 54. Kxc3 Nd1+ 55. Kc4 Ne3+ 56. Kc5 h4 57. d5 Kg6 58. d6 Kf7 59. Rb7+ Kf6 60. d7 Ke7 61. Kc6 Nc4 62. Kc7 Na5 63. d8=Q+ {Weighted Error Value: White=0.15/Black=0.36} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.12"]
[Round "6.3"]
[White "Mardov, Dimitar"]
[Black "Liang, Jason"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2312"]
[BlackElo "2351"]
[Annotator "RC"]
[PlyCount "181"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:07]} d5 {[%emt 0:04:51]} 2. c4 {[%emt 0:00:39]} c6 {[%emt 0:00:09]} 3. cxd5 {[%emt 0:01:24]} cxd5 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:47]} Nf6 {[%emt 0:00:14]} 5. Nc3 {[%emt 0:00:20]} Nc6 {[%emt 0:00:08]} 6. Bf4 {[%emt 0:02:26]} a6 {[%emt 0:00:10]} 7. e3 {[%emt 0:02:16]} Bg4 {[%emt 0:01:23]} 8. Be2 {[%emt 0:03:14]} e6 {[%emt 0:06:29]} 9. a3 {[%emt 0:06:47]} Bd6 {[%emt 0:02:04]} 10. Bxd6 {[%emt 0:00:49]} Qxd6 {[%emt 0:00:09]} 11. Nd2 {[%emt 0:02:38]} Bxe2 {[%emt 0:01:56]} 12. Qxe2 {[%emt 0:03:13]} O-O {[%emt 0:01:54]} 13. O-O {[%emt 0:00:45]} Rfc8 {[%emt 0:03:32]} 14. Rfc1 {[%emt 0:01:26]} Rc7 {[%emt 0:01:22]} 15. Na4 {[%emt 0:05:07]} Rac8 {[%emt 0:02:46]} 16. Nb3 {[%emt 0:01:33]} e5 {[%emt 0:09:10]} 17. Qd1 {[%emt 0:11:17]} h5 {[%emt 0:09:53]} 18. h3 {[%emt 0:01:31]} g6 {[%emt 0:05:37]} 19. Rc2 {[%emt 0:09:39]} exd4 {[%emt 0:01:02]} 20. exd4 {[%emt 0:04:01]} Re8 {[%emt 0:07:21]} 21. Re2 {[%emt 0:03:02]} Rxe2 {[%emt 0:03:53]} 22. Qxe2 {[%emt 0:00:08]} Re7 {[%emt 0:00:26]} 23. Qf3 {[%emt 0:02:11]} Kg7 {[%emt 0:04:04]} 24. Rd1 {[%emt 0:01:24]} Ne4 {[%emt 0:01:20]} 25. Nc3 {[%emt 0:02:38]} h4 {[%emt 0:01:30]} 26. Nc5 {[%emt 0:06:09]} Nf6 {[%emt 0:11:11]} 27. Nb3 {[%emt 0:02:38]} Nd8 {[%emt 0:02:36]} 28. Nd2 {[%emt 0:01:28]} Re6 {[%emt 0:01:36]} 29. Nf1 {[%emt 0:01:33]} Nc6 {[%emt 0:01:11]} 30. Ne3 {[%emt 0:00:33]} Ne7 {[%emt 0:00:25]} 31. Rd2 {[%emt 0:04:58]} Ne4 {[%emt 0:01:36]} 32. Rc2 {[%emt 0:01:44]} f5 {[%emt 0:02:04]} 33. Ne2 {[%emt 0:02:11]} Nf6 {[%emt 0:01:43]} 34. Rc1 {[%emt 0:02:34]} Re4 {[%emt 0:00:58]} 35. Rd1 {[%emt 0:00:46]} Nc6 {[%emt 0:01:54]} 36. Nc2 {[%emt 0:00:19]} Re7 {[%emt 0:01:26]} 37. Ne3 {[%emt 0:00:59]} Re4 {[%emt 0:01:16]} 38. Nc2 {[%emt 0:00:11]} Ne7 {[%emt 0:01:44]} 39. Re1 {[%emt 0:02:00]} g5 {[%emt 0:01:47]} 40. Nc3 {[%emt 0:00:58]} Rxe1+ {[%emt 0:00:44]} 41. Nxe1 {[%emt 0:00:05]} Ne4 {[%emt 0:04:30]} 42. Qe3 {[%emt 0:00:41]} Qf6 {[%emt 0:01:16]} 43. Nf3 {[%emt 0:01:43]} f4 {[%emt 0:00:50]} 44. Qe2 {[%emt 0:00:50]} Qf5 {[%emt 0:01:02]} 45. Nd2 {[%emt 0:00:50]} Nc6 {[%emt 0:00:14]} 46. Ndxe4 {[%emt 0:01:19]} dxe4 {[%emt 0:00:01]} 47. d5 {[%emt 0:00:58]} Ne5 {[%emt 0:00:51]} 48. Qxe4 {[%emt 0:02:01]} Qxe4 {[%emt 0:00:43]} 49. Nxe4 {[%emt 0:00:04]} Kg6 {[%emt 0:00:32]} 50. Nc5 {[%emt 0:03:10]} Nc4 {[%emt 0:00:23]} 51. Nxb7 {[%emt 0:00:41]} Kf6 {[%emt 0:00:15]} 52. Nc5 {[%emt 0:01:30]} Ke5 {[%emt 0:00:46]} 53. Nxa6 {[%emt 0:01:03]} Nxb2 {[%emt 0:00:01]} 54. Nc7 {[%emt 0:01:55]} Nc4 {[%emt 0:00:38]} 55. a4 {[%emt 0:00:21]} Kd6 {[%emt 0:01:08]} 56. Ne6 {[%emt 0:00:18]} Nb6 {[%emt 0:00:12]} 57. a5 {[%emt 0:00:42]} Nxd5 {[%emt 0:00:07]} 58. Nxg5 {[%emt 0:00:10]} Kc5 {[%emt 0:00:07]} 59. Nf3 {[%emt 0:00:39]} Kb5 {[%emt 0:00:04]} 60. Nxh4 {[%emt 0:00:05]} Kxa5 {[%emt 0:00:03]} 61. Kf1 {[%emt 0:00:29]} Kb5 {[%emt 0:00:08]} 62. Ke2 {[%emt 0:00:12]} Kc5 {[%emt 0:00:13]} 63. Kf3 {[%emt 0:00:07]} Kd6 {[%emt 0:03:44]} 64. Ng6 {[%emt 0:00:05]} Nf6 {[%emt 0:00:00]} 65. Nxf4 {[%emt 0:00:09]} Ke5 {[%emt 0:00:00]} 66. Nd3+ {[%emt 0:00:14]} Kd4 {[%emt 0:00:00]} 67. Nc1 {[%emt 0:00:13]} Ke5 {[%emt 0:00:00]} 68. Ne2 {[%emt 0:00:13]} Ne4 {[%emt 0:00:00]} 69. g4 {[%emt 0:00:24]} Ng5+ {[%emt 0:00:00]} 70. Kg2 {[%emt 0:00:14]} Ke4 {[%emt 0:00:00]} 71. Kg3 {[%emt 0:00:10]} Kd3 {[%emt 0:00:00]} 72. Ng1 {[%emt 0:00:47]} Ke4 {[%emt 0:00:00]} 73. h4 {[%emt 0:00:10]} Ne6 {[%emt 0:00:00]} 74. Nh3 {[%emt 0:00:17]} Nd4 {[%emt 0:00:00]} 75. Ng5+ {[%emt 0:00:04]} Kd5 {[%emt 0:00:00]} 76. Kf4 {[%emt 0:00:29]} Kd6 {[%emt 0:00:00]} 77. Ke4 {[%emt 0:00:23]} Nc6 {[%emt 0:00:00]} 78. f4 {[%emt 0:00:22]} Ke7 {[%emt 0:00:00]} 79. Nf3 {[%emt 0:00:10]} Kf6 {[%emt 0:00:00]} 80. h5 {[%emt 0:00:12]} Kg7 {[%emt 0:00:00]} 81. Nd4 {[%emt 0:00:08]} Nd8 {[%emt 0:00:00]} 82. g5 {[%emt 0:00:07]} Nf7 {[%emt 0:00:00]} 83. Kd5 {[%emt 0:00:08]} Kh8 {[%emt 0:00:00]} 84. Nf5 {[%emt 0:00:15]} Nd8 {[%emt 0:00:00]} 85. Nd6 {[%emt 0:00:21]} Kg7 {[%emt 0:00:00]} 86. f5 {[%emt 0:00:04]} Kh8 {[%emt 0:00:00]} 87. f6 {[%emt 0:00:08]} Kg8 {[%emt 0:00:00]} 88. g6 {[%emt 0:00:08]} Kh8 {[%emt 0:00:06]} 89. Nf7+ {[%emt 0:00:20]} Nxf7 {[%emt 0:00:09]} 90. gxf7 {[%emt 0:00:05]} Kh7 {[%emt 0:00:05]} 91. Ke6 {[%emt 0:00:05]} 1-0

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.12"]
[Round "6.4"]
[White "Oberoi, Shelev"]
[Black "Wu, Rochelle"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2229"]
[BlackElo "2132"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,136,24,36,39,0,0,-8,0,-164,-173,-262,-259,-334,-308,-313,-145,-140,-142,-255,-250,-155,-95,-116,-66,-129,0,0,0,0,33,26,31,8,230,0,159,0,364,0,0,0,0,0,15,0,0,-308,0,-126,-129,-135,-149,-324,-142,-95,0,-66,-79,-77,-47,-47,-47,-47,-47,-47,-43,-73,-39,-81,-76,-77,-70,-87,-39,-51,-54,-92,-95,-104,-93,-92,0,-158,-160,-329,-323,-357,-358,-357,-353,-335,-347,-306,-216,-216,-216,-380,-216,-343,-216,-405,-216,-81,0,-507,-500,-1089,-1020,-29970,-29971,-29971,-29972,-29972,-29972,-29961,-5103,-29968,-29969,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986]} 1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. Nf3 Nc6 {[%cal Bb8c6,Bc6b4,Bb4c2,Bc2a1][%mdl 32]} 5. d4 Bf5 6. Be3 Nf6 {6...cxd4 deserves study. B22: Sicilian: 2 c3.} 7. c4 Qd7 {White must now prevent ...cxd4.} 8. d5 Nb4 {[#] The position is equal.} 9. Nc3 $146 (9. Ne5 $11 Qd6 10. Nd3 (10. Qa4+ Nd7 $17)) ({Predecessor:} 9. Na3 e6 10. Ne5 Qc7 11. Qa4+ Nd7 12. d6 Bxd6 13. Nb5 Nc2+ 14. Ke2 Bxe5 15. Nxc7+ Bxc7 {0-1 (32) Katkov,M (2078)-Moiseenko,A (2620) Tornelo INT 2021}) 9... Nc2+ $19 {[%mdl 64] Double Attack} 10. Ke2 (10. Kd2 $142) 10... Nxa1 11. Ne5 Qc7 12. Qa4+ Bd7 (12... Nd7 $19 {has better winning chances.} 13. g4 b5 $1 14. cxb5 Qxe5 15. gxf5 Nb6) 13. Nxd7 $17 Qxd7 14. Nb5 (14. Qxd7+ $17 {was called for.} Kxd7 15. Kd2) 14... Rc8 $19 15. g3 Kd8 (15... g5 $142 16. Bxg5 Ne4) 16. h4 $17 {next Bh3 is good for White.} Qg4+ 17. f3 (17. Kd2 $15) 17... Qg6 (17... Qxg3 $17 18. Nxa7 e6 19. Nxc8 Kxc8) 18. Qa5+ $11 b6 19. Qxa7 Qc2+ (19... Nh5 $5 {[%cal Rh5g3]} 20. Kd2 Qf6 $11) 20. Ke1 Nd7 ({But not} 20... Qxb2 $2 21. Qxb6+ Ke8 22. Nc7+ Rxc7 23. Qxb2 $18) 21. Bf4 {And now Qb7 would win.} Qxb2 $2 (21... e5 $11 22. dxe6 fxe6) 22. Bd3 $2 (22. Bh3 $18 {[%csl Gh3][%cal Ra7d7]} Ne5 23. Qxb6+ Ke8 24. Nc7+ {[%mdl 64] Discovered Attack} Rxc7 25. Qxb2 Nd3+ 26. Ke2 Nxb2 27. Bxc7) 22... e6 $2 (22... Nc2+ $11 23. Kf1 Nb4) 23. Kf1 $2 (23. Kd1 $1 $16) 23... Be7 $2 {[%mdl 8192]} (23... Nc2 $11 24. Qb7 Qb1+ 25. Kg2 Ne3+ $1 {[%mdl 64] Discovered Attack} 26. Bxe3 Qxa2+ 27. Kh3 Qa8 28. Qxa8 Rxa8) 24. Bc7+ $2 ({White must play} 24. Qb7 $18 Nb3 25. Na7 Qa1+ 26. Kg2 Qxa2+ 27. Kh3 Qxa7 28. Qxa7) 24... Ke8 25. Qb7 Rd8 26. Bxd8 {White wants to mate with Nd6+!} Bxd8 27. Nd6+ Ke7 28. Nxf7 {[%mdl 8192] [#]} Qc1+ $2 (28... Nc2 $1 $19 {[%mdl 512]} 29. dxe6 {[%mdl 64] Pin} (29. Nxh8 Qc1+) 29... Qc1+ 30. Kg2 Qd2+ {[%mdl 64] Double Attack} 31. Kh3 Qxd3) 29. Kg2 (29. Ke2 $11 Qb2+ 30. Kd1) 29... Qd2+ $17 {[%mdl 64] Double Attack} 30. Kh3 {Threatens to win with Ne5.} Qxd3 {[%mdl 64] Double Attack} 31. dxe6 $2 (31. Re1 $17 Qf5+ {[%mdl 64] Double Attack} 32. Kg2 Qxf7 33. dxe6 Qxe6 34. Rxe6+ Kxe6 35. Qd5+ Ke7 36. Qd1) 31... Rf8 (31... Nc2 $19 {Strongly threatening ...Rf8.} 32. Nxh8 Qf5+ 33. g4 Qxe6) 32. Re1 Rxf7 (32... Nc2 $17 33. Ne5 {[%mdl 64] Pin} Qd6 {[%mdl 64] Double Attack}) 33. exf7+ ({White should play} 33. exd7+ $11 Kd6 34. Qb8+ Kxd7 35. Qa7+ Bc7 36. Qa4+ Kd6 37. Rd1 Rxf3 38. Rxd3+ Rxd3 39. Qe8) 33... Kxf7 $15 {Hoping for ...Nc2.} 34. Rxa1 Qd6 35. Re1 Bc7 {[%csl Gc7][%cal Rd6g3]} 36. f4 Nf6 37. Qc8 h5 38. Qf5 Qc6 (38... g6 {with more complications.} 39. Qc8 Bd8 40. Qb7+ Kf8 41. Qf3 Qd7+) 39. Qd3 Bd6 40. Qe2 Qd7+ 41. Kg2 Qf5 42. Rd1 Be7 43. Qd3 Qe6 44. Rd2 Qc6+ 45. Qf3 Qe6 (45... Qe4 $17 46. Qxe4 Nxe4) 46. Rc2 $2 (46. Qd3 $1 $11) 46... Ng4 $17 {...Ne3+ is the strong threat.} 47. Re2 (47. f5 $17 Qd7 48. Re2) 47... Qxc4 $19 48. Qb3 Qxb3 49. axb3 b5 50. Kf3 Bf6 51. Ra2 {intending Ra5.} c4 52. bxc4 bxc4 53. Ke4 $2 (53. Ra5 g6 54. Ra4) 53... Kg6 (53... c3 $142 54. Kd3 Ke6 55. Ra6+ Kd7) 54. Ra5 (54. Ra4 {is the only way for White.} c3 55. Ra2) 54... c3 55. Rc5 $2 (55. Ra1 {keeps fighting.}) 55... Nf2+ (55... Nh2 $142 56. f5+ Kf7) 56. Ke3 Ng4+ (56... Nd1+ $17 57. Kd3 Nf2+ 58. Ke3 Ng4+ 59. Kf3 Nf2 $1 60. Ke3 (60. f5+ $2 Kh7 $19)) 57. Ke2 $2 {[%mdl 8192]} (57. Ke4 $1 $11 {and White is okay.}) 57... Nh6 58. Kd3 (58. Kf3 $142 Nf5 59. Rc7) 58... Nf5 59. g4 hxg4 60. h5+ Kxh5 61. Rxf5+ {[%mdl 4096] Endgame KR-KB} Kh4 62. Ke2 Kg3 (62... g3 $142 63. Kf3 g2 {[%mdl 64] Promotion} 64. Kxg2 Be7 65. Ra5 c2 66. Ra1 {[#]} Ba3 $1 {[%mdl 576] Deflection, Promotion} 67. Rxa3 c1=Q {[%mdl 64] Double Attack} 68. Rf3 Qc6 69. Kf2 Qc5+ 70. Ke2 Kg4 71. Rf2 Qb5+ 72. Ke3 Qb3+ 73. Kd2 Kg3 74. Re2 Kf3 75. Re1 Qb4+ 76. Kd1 Kxf4 77. Ke2 Qc4+ 78. Kd2 Qd4+ 79. Kc2 Qf2+ 80. Kd1 Qb2 81. Re2 Qb3+ 82. Kc1 Qe3+ $3 {[%mdl 512]} 83. Rxe3 Kxe3 84. Kd1 Kf2 85. Kc2 g5 86. Kd2 g4 87. Kc3 g3 88. Kd3 g2 89. Ke4 g1=Q 90. Ke5 Kf3 91. Ke6 Qc5 92. Kf6 Qd6+ 93. Kg7 Ke4 94. Kh8 Kf5 95. Kh7 Qc7+ 96. Kg8 Kg6 97. Kh8 Qh7#) 63. Rd5 Kxf4 {Black mates.} 64. Kf1 Ke3 65. Kg2 c2 66. Rc5 Kd3 67. Rxc2 Kxc2 68. Kg3 Kd3 {What a fight!  Weighted Error Value: White=0.94/Black=0.59} 0-1

[Event "2nd Charlotte Masters 2021"]
[Site "Charlotte"]
[Date "2021.04.11"]
[Round "6.5"]
[White "Wu, Derek"]
[Black "Li, Eric Yuhan"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2175"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.04.09"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,54,27,33,-6,-10,-71,0,0,0,0,15,-120,35,-106,32,-243,-252,-248,-245,-277,-189,-183,-182,-188,-175,-189,-113,-109,-111,-133,-128,-140,-140,-174,-149,-233,-231,-246,-202,-206,-202,-302,-303,-395,-395,-622,-616]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qe2 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nf5 {[#]} (7. Nf3 $11 {keeps the balance.}) 7... g6 (7... d5 $1 $17) 8. Nh6 {The position is equal.} Be6 9. Bg5 {[#]} Nbd7 $146 ({Predecessor:} 9... Be7 10. Qd2 Nbd7 11. Bd3 Nc5 12. h4 Rc8 13. O-O Nh5 14. g3 Bxg5 15. hxg5 f6 16. gxf6 Nxd3 {1-0 (27) Skytte,R (2402)-Teplyi,I (2433) Aarhus 2016}) 10. O-O-O (10. Qf3 $11) 10... Qc7 $2 ({Better is} 10... Qa5 $17 {White must now prevent ...Rc8.} 11. f3 Rc8) 11. g3 (11. Nd5 $14 Qa5 12. Bxf6 (12. Nxf6+ Nxf6 13. a3 Nd7 $11) 12... Bxh6+ 13. Kb1 Nxf6 14. Nxf6+ {[%mdl 64] Discovered Attack} Kf8 15. Nd5) 11... Qc5 (11... Qa5 $17 {...b5 is the strong threat.} 12. Bg2 Rc8) 12. Nd5 $2 {[%mdl 8192]} (12. f3 $14 {stays ahead.}) 12... Nxd5 $19 13. exd5 Bxd5 14. Bh3 Bxh6 15. Bxh6 Bxh1 ({Weaker is} 15... Bxa2 16. Bg7 $11) 16. Rxh1 O-O-O 17. Bg5 {[#]} Kb8 (17... Rde8 $1 $19 18. Rd1 f5) 18. Bxd8 $17 Rxd8 19. Rd1 f5 $36 {[%mdl 2048] Black is on the roll.} 20. Bg2 Nb6 21. Rd3 Rc8 22. Rb3 (22. Rd1 $17 {is a better defense.}) 22... e4 $19 23. a3 Qc4 24. Qxc4 Nxc4 25. g4 (25. Bf1 {was necessary.}) 25... fxg4 26. h3 Rf8 27. Bf1 (27. Kd1 $142 gxh3 28. Rxh3) 27... Na5 {Weighted Error Value: White=0.88/Black=0.37} 0-1

