[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.17"]
[Round "1.1"]
[White "Wang, Annie"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2321"]
[BlackElo "2352"]
[Annotator "ChessBase"]
[PlyCount "121"]
[EventDate "2019.08.17"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:03]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:15]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:08]} 4. cxd5 {[%emt 0:00:00]} Nxd5 {[%emt 0:00:05]} 5. e4 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:07]} 6. bxc3 {[%emt 0:00:07]} Bg7 {[%emt 0:00:06]} 7. Bb5+ {[%emt 0:00:10]} c6 {[%emt 0:00:08]} 8. Ba4 {[%emt 0:00:07]} O-O {[%emt 0:00:18]} 9. Ne2 {[%emt 0:00:11]} e5 {[%emt 0:00:26]} 10. O-O {[%emt 0:00:35]} Nd7 {[%emt 0:00:15]} 11. Be3 {[%emt 0:00:57]} Qe7 {[%emt 0:01:02]} 12. f3 {[%emt 0:00:31]} Nb6 {[%emt 0:14:11]} 13. Bb3 {[%emt 0:00:14]} Be6 {[%emt 0:03:22]} 14. d5 {[%emt 0:16:06]} cxd5 {[%emt 0:13:28]} 15. exd5 {[%emt 0:00:09]} Rad8 {[%emt 0:04:52]} 16. c4 {[%emt 0:00:31]} e4 {[%emt 0:09:45]} 17. Nf4 {[%emt 0:16:38]} Bf5 {[%emt 0:11:01]} 18. Rc1 {[%emt 0:06:41]} exf3 {[%emt 0:10:16]} 19. Qxf3 {[%emt 0:01:32]} Rfe8 {[%emt 0:03:33]} 20. Rfe1 {[%emt 0:04:23]} Qb4 {[%emt 0:00:46]} 21. Qf2 {[%emt 0:07:03]} Re4 {[%emt 0:07:32]} 22. Nd3 {[%emt 0:09:43]} Qf8 {[%emt 0:02:27]} 23. Nc5 {[%emt 0:03:35]} Rxe3 {[%emt 0:02:02]} 24. Qxe3 {[%emt 0:01:24]} Bh6 {[%emt 0:00:17]} 25. Qf2 {[%emt 0:03:19]} Bxc1 {[%emt 0:00:12]} 26. Rxc1 {[%emt 0:00:06]} Rc8 {[%emt 0:00:44]} 27. Nxb7 {[%emt 0:01:33]} Nxd5 {[%emt 0:03:39]} 28. c5 {[%emt 0:08:56]} Nb4 {[%emt 0:03:33]} 29. Bc4 {[%emt 0:01:45]} Nd3 {[%emt 0:03:15]} 30. Bxd3 {[%emt 0:00:08]} Bxd3 {[%emt 0:00:05]} 31. Qe3 {[%emt 0:01:05]} Ba6 {[%emt 0:03:15]} 32. Nd6 {[%emt 0:00:12]} Rc6 {[%emt 0:01:10]} 33. Re1 {[%emt 0:03:39]} Bc8 {[%emt 0:01:19]} 34. Qe8 {[%emt 0:01:12]} Rxc5 {[%emt 0:01:51]} 35. Qxf8+ {[%emt 0:00:06]} Kxf8 {[%emt 0:00:02]} 36. Re8+ {[%emt 0:00:14]} Kg7 {[%emt 0:00:02]} 37. Rxc8 {[%emt 0:00:05]} Rd5 {[%emt 0:00:42]} 38. Nc4 {[%emt 0:01:32]} Rd1+ {[%emt 0:00:21]} 39. Kf2 {[%emt 0:00:12]} Rc1 {[%emt 0:00:38]} 40. Nd6 {[%emt 0:01:08]} Rd1 {[%emt 0:00:23]} 41. Ne4 {[%emt 0:00:30]} f5 {[%emt 0:00:59]} 42. Rc7+ {[%emt 0:00:32]} Kh6 {[%emt 0:00:49]} 43. Nc3 {[%emt 0:00:12]} Rd2+ {[%emt 0:00:06]} 44. Kf3 {[%emt 0:01:23]} g5 {[%emt 0:00:42]} 45. h3 {[%emt 0:01:56]} Kg6 {[%emt 0:01:19]} 46. a4 {[%emt 0:01:02]} h5 {[%emt 0:00:27]} 47. Ne2 {[%emt 0:00:36]} a5 {[%emt 0:00:43]} 48. Rc6+ {[%emt 0:00:33]} Kf7 {[%emt 0:00:06]} 49. Rc5 {[%emt 0:00:07]} g4+ {[%emt 0:00:38]} 50. Ke3 {[%emt 0:01:32]} Ra2 {[%emt 0:00:11]} 51. Rxf5+ {[%emt 0:00:24]} Kg7 {[%emt 0:00:21]} 52. hxg4 {[%emt 0:01:38]} Ra3+ {[%emt 0:00:59]} 53. Kf2 {[%emt 0:00:12]} Rxa4 {[%emt 0:00:09]} 54. gxh5 {[%emt 0:00:07]} Ra1 {[%emt 0:00:10]} 55. g4 {[%emt 0:01:10]} a4 {[%emt 0:00:04]} 56. g5 {[%emt 0:00:28]} a3 {[%emt 0:00:03]} 57. Ra5 {[%emt 0:00:07]} a2 {[%emt 0:00:41]} 58. Ra7+ {[%emt 0:00:10]} Kg8 {[%emt 0:00:05]} 59. h6 {[%emt 0:00:49]} Rb1 {[%emt 0:01:02]} 60. Rxa2 {[%emt 0:00:06]} Rb5 {[%emt 0:00:04]} 61. g6 {[%emt 0:00:16]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.17"]
[Round "1.2"]
[White "Krush, Irina"]
[Black "Hernandez Moya, Yuleisy"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2417"]
[BlackElo "2199"]
[Annotator "ChessBase"]
[PlyCount "69"]
[EventDate "2019.08.17"]
[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 0:00:31]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:01:09]} Bb4 {[%emt 0:00:16]} 4. f3 {[%emt 0:01:58]} d5 {[%emt 0:02:14]} 5. a3 {[%emt 0:00:10]} Bxc3+ {[%emt 0:01:39]} 6. bxc3 {[%emt 0:00:10]} c5 {[%emt 0:00:12]} 7. cxd5 {[%emt 0:00:26]} exd5 {[%emt 0:00:22]} 8. e3 {[%emt 0:00:40]} O-O {[%emt 0:03:18]} 9. Bd3 {[%emt 0:00:38]} b6 {[%emt 0:02:13]} 10. Ne2 {[%emt 0:01:11]} Re8 {[%emt 0:03:15]} 11. O-O {[%emt 0:00:33]} Ba6 {[%emt 0:00:50]} 12. Bxa6 {[%emt 0:00:51]} Nxa6 {[%emt 0:00:05]} 13. Qd3 {[%emt 0:01:06]} Nc7 {[%emt 0:00:43]} 14. Ra2 {[%emt 0:07:47]} Qd7 {[%emt 0:03:46]} 15. a4 {[%emt 0:01:05]} Rad8 {[%emt 0:17:02]} 16. Ng3 {[%emt 0:00:49]} Re6 {[%emt 0:01:00]} 17. Rd1 {[%emt 0:03:40]} Qc6 {[%emt 0:08:32]} 18. Re1 {[%emt 0:01:53]} Rde8 {[%emt 0:03:51]} 19. Rae2 {[%emt 0:09:19]} Qxa4 {[%emt 0:03:19]} 20. e4 {[%emt 0:00:10]} cxd4 {[%emt 0:07:08]} 21. cxd4 {[%emt 0:01:29]} Nb5 {[%emt 0:15:13]} 22. Bb2 {[%emt 0:00:39]} Rc8 {[%emt 0:00:33]} 23. e5 {[%emt 0:01:54]} Ne8 {[%emt 0:03:58]} 24. f4 {[%emt 0:01:04]} Qc4 {[%emt 0:03:05]} 25. Qe3 {[%emt 0:02:34]} Rec6 {[%emt 0:02:45]} 26. f5 {[%emt 0:02:39]} f6 {[%emt 0:01:17]} 27. Nh5 {[%emt 0:07:02]} Qb4 {[%emt 0:03:25]} 28. Qf3 {[%emt 0:04:09]} Rd8 {[%emt 0:04:48]} 29. Qg4 {[%emt 0:05:22]} Qf8 {[%emt 0:01:57]} 30. Re3 {[%emt 0:16:57]} Rc2 {[%emt 0:04:53]} 31. Rb3 {[%emt 0:01:33]} a6 {[%emt 0:02:11]} 32. Nf4 {[%emt 0:02:09]} Nec7 {[%emt 0:00:47]} 33. Qh4 {[%emt 0:11:50]} Re8 {[%emt 0:00:54]} 34. Ng6 {[%emt 0:00:55]} Qf7 {[%emt 0:00:28]} 35. Qxh7+ {[%emt 0:00:20]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.17"]
[Round "1.3"]
[White "Uyanga, Byambaa"]
[Black "Cervantes Landeiro, Thalia"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2114"]
[BlackElo "2118"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2019.08.17"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:14]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:33]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:19]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:09]} Nf6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:10]} a6 {[%emt 0:00:08]} 6. Bc4 {[%emt 0:01:17]} e6 {[%emt 0:00:29]} 7. Bb3 {[%emt 0:00:16]} Nbd7 {[%emt 0:00:23]} 8. g4 {[%emt 0:00:24]} Nc5 {[%emt 0:06:01]} 9. f3 {[%emt 0:01:21]} b5 {[%emt 0:07:22]} 10. g5 {[%emt 0:03:31]} Nfd7 {[%emt 0:01:43]} 11. Be3 {[%emt 0:00:36]} Bb7 {[%emt 0:01:50]} 12. Qd2 {[%emt 0:01:05]} Be7 {[%emt 0:04:17]} 13. O-O-O {[%emt 0:01:06]} Nb6 {[%emt 0:07:17]} 14. a3 {[%emt 0:12:29]} Nc4 {[%emt 0:19:34]} 15. Bxc4 {[%emt 0:01:38]} bxc4 {[%emt 0:00:10]} 16. h4 {[%emt 0:02:38]} Qa5 {[%emt 0:02:16]} 17. h5 {[%emt 0:04:31]} Rb8 {[%emt 0:07:14]} 18. g6 {[%emt 0:01:51]} Qb6 {[%emt 0:07:49]} 19. gxf7+ {[%emt 0:02:28]} Kxf7 {[%emt 0:00:39]} 20. Qe2 {[%emt 0:27:05]} Ba8 {[%emt 0:06:52]} 21. Qxc4 {[%emt 0:10:27]} Qxb2+ {[%emt 0:02:46]} 22. Kd2 {[%emt 0:00:05]} Rhc8 {[%emt 0:02:55]} 23. Ke2 {[%emt 0:08:03]} d5 {[%emt 0:07:42]} 24. exd5 {[%emt 0:03:48]} Ne4 {[%emt 0:01:34]} 25. dxe6+ {[%emt 0:05:06]} Kg8 {[%emt 0:04:38]} 26. Qxc8+ {[%emt 0:00:42]} Rxc8 {[%emt 0:00:06]} 27. Nxe4 {[%emt 0:00:05]} Bxe4 {[%emt 0:01:00]} 28. fxe4 {[%emt 0:00:07]} Qxa3 {[%emt 0:01:02]} 29. Rhg1 {[%emt 0:05:05]} Bf6 {[%emt 0:01:28]} 30. Nf5 {[%emt 0:00:36]} Rxc2+ {[%emt 0:01:10]} 31. Kf3 {[%emt 0:00:07]} Rc3 {[%emt 0:04:42]} 32. e5 {[%emt 0:01:53]} Qc5 {[%emt 0:00:54]} 33. exf6 {[%emt 0:04:55]} Qxf5+ {[%emt 0:00:14]} 34. Ke2 {[%emt 0:00:12]} Rc2+ {[%emt 0:01:09]} 35. Rd2 {[%emt 0:01:57]} Rxd2+ {[%emt 0:00:20]} 36. Kxd2 {[%emt 0:00:25]} Qxf6 {[%emt 0:00:13]} 37. h6 {[%emt 0:00:42]} Qxe6 {[%emt 0:01:51]} 38. Rxg7+ {[%emt 0:00:31]} Kf8 {[%emt 0:00:20]} 39. Rxh7 {[%emt 0:00:27]} Qa2+ {[%emt 0:00:17]} 40. Kc3 {[%emt 0:00:23]} Qa3+ {[%emt 0:00:17]} 41. Kd4 {[%emt 0:00:15]} Qb4+ {[%emt 0:00:36]} 42. Kd5 {[%emt 0:00:16]} Qb3+ {[%emt 0:00:08]} 43. Kd4 {[%emt 0:00:29]} Qb6+ {[%emt 0:00:10]} 44. Kd5 {[%emt 0:01:10]} Qxe3 {[%emt 0:00:11]} 45. Rh8+ {[%emt 0:00:27]} Kf7 {[%emt 0:00:05]} 46. h7 {[%emt 0:00:35]} Qd3+ {[%emt 0:00:10]} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.17"]
[Round "1.4"]
[White "Belakovskaia, Anjelina"]
[Black "Saikhanchimeg, Tsogtsaikhan"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2191"]
[BlackElo "2011"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2019.08.17"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 Nf6 2. d4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:00]} b6 {[%emt 0:02:26]} 4. g3 {[%emt 0:00:00]} Bb7 {[%emt 0:00:39]} 5. Bg2 {[%emt 0:00:07]} Be7 {[%emt 0:03:41]} 6. O-O {[%emt 0:01:12]} O-O {[%emt 1:25:44]} 7. b3 d5 8. Ne5 c5 9. dxc5 bxc5 10. Bb2 Nc6 11. Nxc6 Bxc6 12. cxd5 exd5 13. Qc2 Rc8 14. Rd1 Qb6 15. e3 Rfd8 16. Nd2 Bb7 17. Rac1 a5 18. h3 h6 19. Nb1 a4 20. Nc3 axb3 21. axb3 c4 22. bxc4 dxc4 23. Na4 Qa6 24. Rxd8+ Bxd8 25. Bxb7 Qxb7 26. Bd4 Qd7 27. Kh2 Qd6 28. Qf5 Qe6 29. Qxe6 fxe6 30. Kg2 Ne4 31. f4 Ba5 32. Rc2 Rc6 33. Kf3 Nd2+ 34. Ke2 Ne4 35. g4 Kf7 36. Nb2 Nd6 37. Be5 c3 38. Nd1 Nb5 {[%emt 0:00:00]} 39. Kd3 Na3 {[%emt 0:00:00]} 40. Rc1 c2 {[%emt 0:00:00]} 41. Nb2 Rc8 {[%emt 0:00:00]} 42. Bd4 g5 {[%emt 0:00:00]} 43. f5 exf5 {[%emt 0:00:00]} 44. gxf5 h5 {[%emt 0:00:00]} 45. Na4 Rb8 {[%emt 0:00:00]} 46. Bb2 Rd8+ {[%emt 0:00:00]} 47. Ke2 g4 {[%emt 0:00:00]} 48. hxg4 hxg4 {[%emt 0:00:00]} 49. Bd4 g3 {[%emt 0:00:00]} 50. Bc5 Bd2 {[%emt 0:00:00]} 51. Bxa3 Bxc1 {[%emt 0:00:00]} 52. Bxc1 Rd1 {[%emt 0:00:00]} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.17"]
[Round "1.5"]
[White "Matras-Clement, Agnieszka"]
[Black "Ordaz Valdes, Lisandra Teresa"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2260"]
[BlackElo "2393"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2019.08.17"]
[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 0:00:00]} Nc6 {[%emt 0:00:10]} 3. Bc4 {[%emt 0:00:00]} Bc5 {[%emt 0:00:30]} 4. c3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:06]} 5. d3 {[%emt 0:00:00]} O-O {[%emt 0:00:29]} 6. Nbd2 {[%emt 0:00:13]} a6 {[%emt 0:02:32]} 7. h3 {[%emt 0:03:33]} Ba7 {[%emt 0:09:37]} 8. Bb3 {[%emt 0:07:41]} d6 {[%emt 0:06:18]} 9. Nf1 {[%emt 0:03:33]} Ne7 {[%emt 0:06:21]} 10. Ng3 {[%emt 0:06:03]} Ng6 {[%emt 0:01:39]} 11. O-O {[%emt 0:00:17]} c6 {[%emt 0:03:39]} 12. d4 {[%emt 0:05:06]} h6 {[%emt 0:11:46]} 13. Re1 {[%emt 0:00:48]} Re8 {[%emt 0:00:16]} 14. Be3 {[%emt 0:05:11]} exd4 {[%emt 0:10:11]} 15. Nxd4 {[%emt 0:01:03]} d5 {[%emt 0:05:16]} 16. exd5 {[%emt 0:18:45]} Nxd5 {[%emt 0:00:28]} 17. Qh5 {[%emt 0:00:43]} Re5 {[%emt 0:07:39]} 18. Ndf5 {[%emt 0:15:44]} Bxf5 {[%emt 0:13:15]} 19. Bxa7 {[%emt 0:14:44]} Be4 {[%emt 0:04:45]} 20. Qd1 {[%emt 0:02:15]} Bxg2 {[%emt 0:02:55]} 21. Rxe5 {[%emt 0:08:08]} Nxe5 {[%emt 0:01:43]} 22. Bd4 {[%emt 0:00:32]} Bf3 {[%emt 0:03:30]} 23. Qf1 {[%emt 0:00:04]} Ng6 {[%emt 0:02:00]} 24. Qd3 {[%emt 0:01:07]} Nh4 {[%emt 0:00:11]} 25. Bc2 {[%emt 0:02:58]} g6 {[%emt 0:00:05]} 26. Kh2 {[%emt 0:01:17]} Qg5 {[%emt 0:01:42]} 27. Rg1 {[%emt 0:00:49]} Re8 {[%emt 0:01:26]} 28. a3 {[%emt 0:01:42]} Nf4 {[%emt 0:01:31]} 29. Qd2 {[%emt 0:00:30]} Be2 {[%emt 0:02:51]} 30. Nxe2 {[%emt 0:01:12]} Nf3+ {[%emt 0:00:05]} 31. Kh1 {[%emt 0:00:02]} Qh4 {[%emt 0:01:54]} 32. Nxf4 {[%emt 0:00:20]} Nxd2 {[%emt 0:00:02]} 33. Bxg6 {[%emt 0:00:36]} Qxf4 {[%emt 0:00:40]} 34. Bc2+ {[%emt 0:01:18]} Kf8 {[%emt 0:00:19]} 35. Bc5+ {[%emt 0:00:31]} Re7 {[%emt 0:00:04]} 36. Re1 {[%emt 0:00:18]} Nf3 {[%emt 0:00:32]} 37. Bxe7+ {[%emt 0:00:24]} Kg7 {[%emt 0:00:53]} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "2.1"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Uyanga, Byambaa"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2011"]
[BlackElo "2114"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,14,91,58,205,193,176,184,201,125,158,97,141,75,120,62,97,0,0,0,0,0,3,21,31,33,29,36,37,13,0,-56,-48,-44,-43,-46,-55,-52,-54,-42,-42,-61,-63,-227,-215,-437,-435,-705,-558,-29988,-29987,-29987,-5551,-29991,-29991]} 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 Nc6 (5... e5 $11) 6. Be3 {B01: Scandinavian Defence} g6 (6... e5 $14 7. d5 Ne7) (6... Bf5 7. Nf3 e6 8. Be2 Be7 9. O-O O-O 10. a3 a5 11. d5 exd5 12. cxd5 Nb8 13. Nd4 Bg6 {1-0 (42) Galstyan,S (1885)-Sesselmann,C (1659) Schney 2019}) 7. d5 $1 $18 {[%cal Rd5c6]} Nb8 {[#]} 8. Qd4 $146 {[%cal Rd4h8] White is clearly better.} ({Predecessor:} 8. Bd4 f6 9. Bd3 e5 10. dxe6 Bxe6 11. c5 Nc4 12. Bxc4 Bxc4 13. Qa4+ b5 14. cxb6+ {1-0 (33) Schreiner,P-Halvax,G Aigen 2004}) 8... Rg8 9. Nf3 Bg7 10. Qf4 (10. Qd1 $142) 10... Na6 11. Ng5 ({Better is} 11. Bd4) 11... f6 {[#]} 12. Nxh7 (12. Nf3 $1 $16) 12... Qd6 $1 $14 {[%cal Rd6f4] White should prevent ...Qxf4.} 13. Bd3 (13. Qd4 $16) 13... Qxf4 $11 14. Bxg6+ ({But not} 14. Bxf4 Bf5 $17) 14... Kd8 15. Bxf4 Nxc4 {Played: Bg7-h6} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "2.2"]
[White "Lujan, Carolina"]
[Black "Belakovskaia, Anjelina"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2352"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,48,44,44,58,51,41,13,24,0,0,-1,4,-35,-35,-48,-37,-63,-45,-41,-44,-103,-64,-54,-79,-61,-62,-67,-49,-50,-38,-45,-25,-39,-33,-35,-38,-30,-32,-35,-30,-91,-47,-46,-44,-39,-13,-29,-21,-12,-8,-6,-8,-8,0,0,0,0,0,-8,0,0,0]} 1. e4 d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bc4 Bg4 5. f3 Bf5 6. g4 Bc8 $1 7. Nc3 {B01: Scandinavian Defence} c6 8. dxc6 Nxc6 9. d4 $146 {White is slightly better.} ({Predecessor:} 9. d3 e5 10. Be3 Nd4 11. Qd2 Be7 12. O-O-O O-O 13. Kb1 Rb8 14. g5 Nd7 {1-0 (34) Ivanov,A (2515)-Yedidia,J (2390) Newark 1995}) 9... Nxd4 10. Bf4 Be6 11. Bxe6 Nxe6 12. Be3 Qa5 13. Qe2 Rd8 14. Nh3 g6 15. O-O Bg7 16. a4 ({White should try} 16. Rad1 $15) 16... Nd5 17. Nxd5 Rxd5 18. c3 h5 19. Nf4 Nxf4 20. Bxf4 hxg4 21. fxg4 e6 22. Qf2 O-O 23. Be3 b6 {[%cal Bb7b6,Bb6a5][%mdl 32]} 24. h3 Qa6 25. Qf3 Qc4 26. a5 (26. Rad1 $11 {keeps the balance.}) 26... Rxa5 27. Rxa5 bxa5 28. Bxa7 f5 29. gxf5 Rxf5 30. Qa8+ {The position is equal.} Kh7 31. Rxf5 gxf5 32. Qf3 Kg6 33. Qg2+ Kf7 34. Qb7+ Kg6 35. Qg2+ Kf7 36. Qb7+ Kg6 {Accuracy: White = 57%, Black = 63%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "2.3"]
[White "Ordaz Valdes, Lisandra Teresa"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2393"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,20,33,15,24,11,10,17,34,13,15,23,21,12,50,50,50,23,50,50,50,45,58,48,48,43,66,63,56,71,83,65,84,45,84,67,97,86,78,76,76,69,81,66,66,66,60,60,65,45,72,72,77,77,91,91,105,76,97,81,88,88,90,88,134,88,134,0,134]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 c6 9. Qb3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (9. Bd3 Nd7 10. O-O Qe7 11. a3 Bxc3 12. Rxc3 dxc4 13. Bxc4 b6 14. Bd3 c5 15. Bb5 Rd8 16. Bc6 Rb8 17. Qc2 Bb7 18. Bxb7 Rxb7 19. Rd1 Rbb8 20. h3 a5 21. Rb1 Qf6 22. dxc5 Nxc5 23. b4 axb4 24. axb4 Ne4 25. Rc6 Nd6 {½-½ (25) Erigaisi,A (2505)-Sasikiran,K (2666) Yerevan 2018}) 9... Bd6 10. Bd3 Nd7 11. O-O Qe7 12. c5 $146 ({Predecessor:} 12. e4 dxc4 13. Bxc4 e5 14. d5 Nc5 15. Qc2 b5 16. Bb3 b4 {½-½ (51) Bagaturov,G (2447)-Khurtsidze,N (2443) Antakya 2010}) 12... Bc7 13. e4 dxe4 14. Nxe4 Nf6 15. Nxf6+ Qxf6 16. Rfe1 Rd8 17. Be4 Rb8 18. Qc3 Bd7 19. Ne5 Be8 20. g3 Qe7 21. a3 f6 22. Nf3 Qd7 23. Bc2 Bf7 24. Qd3 {[#] Black must now prevent Qh7+.} f5 25. Qe3 Kh8 26. Bb3 Re8 27. Ne5 Bxe5 28. dxe5 Bh5 $1 29. Bd1 Qf7 30. Bxh5 Qxh5 31. Rcd1 Re7 32. Rd6 Rf8 33. f4 Qf7 34. Red1 Kh7 35. Kg2 Rc8 36. R1d3 Rf8 37. Qd2 Rfe8 38. R3d4 a6 39. Qd3 Kh8 40. Qf3 Kh7 41. Qd3 Kh8 $1 {Accuracy: White = 63%, Black = 53%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "2.4"]
[White "Cervantes Landeiro, Thalia"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2118"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,3,22,0,-8,-17,-7,-14,-6,-56,-69,-128,-129,-123,-127,-194,-175,-172,-159,-135,-29,-36,-26,-44,-46,-49,-35,-31,0,-2,0,-16,18,29,10,0,0,-10,0,-57,-29,-49,-47,-42,-23,-250,-165,-205,-169,-162,-97,-130,-107,-134,-104,-238,-250,-410,-418,-1893,-1802]} 1. d4 d6 2. c4 e5 3. Nf3 e4 4. Nfd2 f5 5. e3 c5 6. b4 {A41: 1 d4 d6: Tartakower System and Modern Defence} Nf6 $146 ({Predecessor:} 6... cxd4 7. exd4 Nf6 8. Nb3 Be7 9. Be2 O-O 10. Be3 Na6 11. Qd2 Qe8 12. a3 Nc7 13. Nc3 {0-1 (42) Seirawan,Y (2555)-Larsen,B (2610) Mar del Plata 1981}) 7. Be2 cxd4 8. exd4 {The position is equal.} d5 9. O-O Bxb4 10. cxd5 (10. a3 $15 Be7 11. Nc3) 10... Nxd5 $17 11. Bc4 Be6 $1 12. Qb3 (12. Qh5+ $17 g6 13. Qh6) 12... Nc6 $19 13. a3 Ba5 14. Qxb7 {[#]} Nce7 (14... Rc8 $1 $17 15. Qxg7 Rg8) 15. Nb3 $11 Rb8 16. Qxa7 Bb6 17. Qa4+ $1 Bd7 18. Bb5 $1 Bxb5 19. Qxb5+ Kf7 {...Bxd4! is the strong threat.} 20. Qe2 Ng6 21. a4 Re8 22. Nc5 Kg8 23. Na3 Kh8 24. Kh1 ({Better is} 24. Nb5 $11) 24... Ngf4 (24... Ndf4 $5 {[%cal Rf4e2]} 25. Qd1 (25. Bxf4 Nxf4 26. Qe3 Nd3 $11) 25... Bxc5 26. Bxf4 Nxf4 27. dxc5 Qg5 $11) 25. Bxf4 Nxf4 26. Qe3 Nd3 {Threatens to win with ...f4.} 27. Rad1 $2 (27. Nb5 $11 {and White stays safe.}) 27... f4 28. Qe2 Bxc5 (28... Qxd4 29. Nxd3 exd3 30. Qxd3 $11) 29. dxc5 Qg5 $36 {[%mdl 2048] Black is really pushing.} (29... Qd4 $19 30. Nb5 Qxc5) 30. f3 $17 Rb2 ({Much less strong is} 30... Nxc5 31. Nc4 $15) ({Reject} 30... Qxc5 $6 31. fxe4 Nb2 32. Ra1 $11) 31. Nc2 {[#] Black should prevent Rxd3.} Nb4 $1 32. Rc1 (32. Rd2 $17 {is a better defense.} e3 33. Nxe3 Rxe3 34. Qxe3 fxe3 35. Rxb2) 32... Qxc5 $19 33. Nxb4 $2 (33. fxe4 Na2 34. Ra1) 33... Qxc1 $1 (33... Rxe2 $2 {too greedy.} 34. Rxc5 h6 35. h4 $18) 34. Qb5 (34. Rxc1 $142 Rxe2 35. h4) 34... Rc8 {Accuracy: White = 40%, Black = 63%.} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "2.5"]
[White "Hernandez Moya, Yuleisy"]
[Black "Matras-Clement, Agnieszka"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2199"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,132,23,36,-15,-9,-28,-23,-22,-15,-33,-34,-35,-30,-35,-23,-21,-25,-33,-29,-20,-9,-14,-13,-16,-4,-9,-8,-29,-29,-63,-40,-80,-75,-72,-66,-115,-87,-97,-62,-127,-20,-58,-65,-33,-29,-19,-7,-12,-3,-13,-10,-32,0,0,0,0,0,0,89,90,82,0,314,214,225,173,144,45,40,0,48,43,37,0,0,0,2,-4,-4,-24,2,2,2,2,8,8,34,50,54,64,66,66,75,14,14,14,93,66,86,85,93,93,93,93,93,0,0,0,4,4,4,4,4,4,4,4,4,0,0,0,4]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nf6 5. Bd3 Nc6 6. c3 Bg4 7. h3 Bh5 8. Nbd2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (8. Bf4 $14) (8. O-O e6 9. Nbd2 Bd6 10. Re1 O-O 11. Nf1 Qc7 12. Bg5 Nd7 13. Bh4 Bg6 14. Bg3 Bxd3 15. Qxd3 h6 16. Bxd6 Qxd6 17. Ng3 Rae8 {½-½ (17) Potapov,P (2493)-Motylev,A (2663) Tallinn 2016}) 8... e6 $11 9. Nf1 Bd6 10. Ng3 {Black has an edge.} Bg6 11. Qe2 $146 ({Predecessor:} 11. Bxg6 hxg6 12. Bg5 Qc7 13. Bxf6 gxf6 14. Ne2 b5 15. Qd3 Rb8 {1-0 (41) Buksa,N (2410)-Gvanceladze,A (2264) St Petersburg 2018}) 11... Bxd3 12. Qxd3 Qc7 13. Ne2 Ne4 14. O-O O-O 15. Ng5 Nxg5 16. Bxg5 a6 17. Qf3 b5 18. Bf4 Rac8 19. Bxd6 Qxd6 20. Nf4 b4 21. Rfe1 Rc7 22. Re3 bxc3 23. bxc3 Ne7 24. Qg4 Rfc8 25. Rae1 {[%cal Rf4e6]} Ng6 ({Much weaker is} 25... Rxc3 $6 {[#]} 26. Nxe6 $1 {[%mdl 512]} g6 27. Nc5 $11) 26. Ne2 (26. Nxg6 $15 hxg6 27. Rc1) 26... f5 ({Black should play} 26... Qa3 $17 27. Rg3 Qxa2) 27. Qg5 f4 28. Rd3 Rf7 {[%cal Bc7f7,Bf7f5,Bf5g5][%mdl 32]} 29. h4 Rf5 30. Qg4 Rcf8 31. h5 Ne7 32. Nc1 {[%cal Be2c1,Bc1d3,Bd3e5][%mdl 32]} h6 33. Rf3 R8f6 {With the idea ...Rg5.} 34. Nd3 Rg5 35. Qh4 Nf5 (35... Rgf5 $11) 36. Qxf4 $16 Qf8 37. Qh2 (37. Rh3 $16) 37... Qf7 $2 {[%mdl 8192] [#]} (37... Nh4 $1 $11 {and Black is okay.} 38. Rg3 Rxh5) 38. Ne5 Qxh5 39. Qxh5 Rxh5 40. g4 (40. Rb1 $16) 40... Rg5 $14 41. Kf1 (41. Rb1 {is more complex.} Nd6 42. Rb8+ Kh7 43. Rg3 Ne4 44. Rg2) 41... Nd6 (41... Nxd4 {with more complications.} 42. Rg3 Nc2 43. Re2 Na3 44. Nf3 Rgg6) 42. Rxf6 gxf6 {[%mdl 4096] Endgame KRN-KRN} 43. Nd7 Kf7 44. f3 a5 45. Kf2 h5 46. Nc5 e5 47. dxe5 fxe5 48. Rd1 hxg4 49. Rxd5 g3+ 50. Kg1 Nc4 51. Ne4 $1 {[%cal Re4g5]} Rg6 52. Rc5 Nd6 53. Rxe5 (53. Rc7+ $16 Ke6 54. Rc6) 53... Nxe4 $1 $11 54. Rxe4 $16 {Kg2 is the strong threat. KR-KR} Rc6 (54... Rh6 $11 {remains equal.}) 55. c4 {Hoping for Kg2.} Rb6 56. Re2 Rb1+ 57. Kg2 Rc1 58. Kxg3 Rxc4 59. Re5 (59. Re4 $16 Rc2 60. Ra4) 59... Ra4 $11 {The position is equal.} 60. Re2 Kf6 61. Rc2 Ke5 62. Rf2 Kf5 63. Rh2 Kg5 64. Rb2 Kf5 65. Rb5+ Kf6 66. Rb2 Kf5 {Accuracy: White = 43%, Black = 57%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "3.1"]
[White "Matras-Clement, Agnieszka"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2260"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,117,17,17,9,33,38,23,21,30,28,21,30,32,24,85,78,99,-15,-16,-26,-21,-17,0,0,0,0,0,7,7,18,44,31,41,18,59,0,0,0,-9,-23,-11,-35,-32,-30,-35,-39,-27,-41,-22,-37,-25,-25,-31,-25,0,-42,-32,-28,-38,-187,0,0,0,-21,-21,-22,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,812,789,29983,29984,29990,29991]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 Ba7 7. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} O-O 8. Bg5 d6 9. Nbd2 {White has an edge.} Be6 10. Nh2 Nb8 $146 ({Predecessor:} 10... h6 11. Bh4 g5 12. Bg3 Qd7 13. h4 g4 14. Qe2 b5 {1-0 (36) Tiviakov,S (2623)-Getz,N (2239) Vadso 2010}) 11. Ng4 Nbd7 12. Qf3 Bxb3 (12... a5 $11) 13. axb3 $16 Qe7 14. Qg3 (14. Nf1 $16) 14... Qe6 $1 $11 15. Nh6+ Kh8 16. Nf5 {With the idea Bh6!} Ne8 17. b4 d5 18. O-O dxe4 19. dxe4 f6 20. Be3 Bxe3 21. Nxe3 ({But not} 21. fxe3 Rd8 $15) 21... Nd6 22. Rfd1 Nb6 {[%cal Bd7b6,Bb6c8,Bc8e7][%mdl 32]} 23. b3 (23. Qg4 $14 Qxg4 24. hxg4) 23... Rad8 24. c4 Nbc8 25. Qf3 Nf7 26. Nc2 Ne7 27. Nf1 Ng5 28. Qe3 Rd7 29. Rd3 Qc6 30. Ng3 Rfd8 31. Rad1 Rxd3 32. Rxd3 Rd6 33. c5 Rxd3 34. Qxd3 {And now Qd8+ would win.} Ne6 35. Nf5 (35. Ne2 $15) 35... Qe8 $2 (35... Nxf5 $1 $19 36. exf5 Qxg2+ $1 {[%mdl 576] Decoy} 37. Kxg2 Nf4+ {[%mdl 64] Double Attack} 38. Kf3 Nxd3) 36. Nxe7 Qxe7 37. c6 bxc6 38. Qxa6 Qd6 39. Qc8+ Nf8 40. Ne3 Qxb4 41. Qxc7 Qxb3 42. Nf5 {[%csl Gf5][%cal Rc7g7]} Qg8 43. Qxc6 h6 44. Qc7 Ne6 45. Qd7 Nc5 46. Qc6 Ne6 47. Qd6 Qf7 48. h4 Kh7 49. g3 Nc7 50. Kg2 Ne6 51. Qd5 (51. f3 {looks sharper.} h5 52. Qd5 Qe8 53. Qb7 Qa4 54. Qf7) 51... h5 52. Ne3 Qe7 53. Nc4 Nc7 54. Qd1 Qf7 55. Nd6 Qg6 56. Qb3 {Threatens to win with Qc4.} Ne8 $2 {[%mdl 8192] [#]} (56... Qg4 $11) 57. Nf5 $1 $18 Qg4 58. f3 Qg6 59. Ne7 {Accuracy: White = 54%, Black = 63%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "3.2"]
[White "Hernandez Moya, Yuleisy"]
[Black "Ordaz Valdes, Lisandra Teresa"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2199"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,14,22,18,26,2,15,0,0,0,2,-17,-22,-78,-44,-48,-47,-86,-39,-27,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,-7,0,-9,-10,0,0,-8,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. c3 d6 7. a4 a6 8. b4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 9. h3 (9. Nbd2 Ne7 10. h3 c6 11. Re1 Ng6 12. d4 Re8 13. Bd3 Qc7 14. a5 Bd7 15. Nf1 d5 16. Nxe5 Nxe5 17. Bf4 Nxe4 18. Bxe4 dxe4 19. Rxe4 {½-½ (31) Anand,V (2779)-Topalov,V (2740) Shamkir 2019}) 9... Ne7 10. Re1 Ng6 11. Bb3 c6 12. Na3 d5 $146 ({Predecessor:} 12... h6 13. Ra2 Nh5 14. Nc4 Nhf4 15. Ne3 Qf6 16. Ng4 Bxg4 17. hxg4 {0-1 (36) Alcoba Gomez,P (2131)-Bernabeu Lopez,C (2335) Las Palmas 2017}) 13. Bg5 (13. a5 $11) 13... h6 $17 14. Bd2 Re8 15. Nc2 dxe4 16. dxe4 Nh5 17. Be3 {The position is equal.} Qf6 18. Ng5 hxg5 19. Qxh5 Nf4 20. Bxf4 $1 gxf4 21. Red1 $1 g6 22. Qh6 a5 23. Ne1 axb4 24. cxb4 Bd4 25. Rac1 Be6 26. Bxe6 Rxe6 27. a5 $1 Rd6 28. Nf3 Rad8 {[#] Threatens to win with ...Bxf2+!} 29. Re1 Qg7 30. Qxg7+ Kxg7 31. Kf1 f6 32. Red1 Kf7 {Accuracy: White = 63%, Black = 77%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "3.3"]
[White "Krush, Irina"]
[Black "Saikhanchimeg, Tsogtsaikhan"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2417"]
[BlackElo "2011"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,78,86,70,89,71,119,117,136,90,115,104,125,86,93,59,94,45,57,34,41,-14,27,10,0,-25,102,0,0,0,0,14,12,0,0,0,5,0,39,21,46,45,65,0,0,0,0,7,0,0,329,331,1081,1020,29993]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 Nc6 7. O-O e5 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. c5 Ng6 14. Rc1 h5 {E98: King's Indian: Classical Main Line: 9 Ne1} 15. Nb5 (15. cxd6 cxd6 16. a4 Bh6 17. Nd3 Bd7 18. Nb5 a6 19. Na3 Rb8 20. Rc3 Rf7 21. Kh1 Rg7 22. Ne1 {1-0 (51) Mchedlishvili,M (2626)-Rapport,R (2559) Plovdiv 2012}) 15... b6 $146 ({Predecessor:} 15... a6 16. Na3 Rf7 17. Nc4 Bd7 18. cxd6 cxd6 19. Nb6 Rb8 20. Nxd7 Qxd7 21. Bb6 Bf6 22. a4 {1-0 (53) Killmann,M (1947)-Kappl,P (1968) Bayern 2013}) 16. cxd6 cxd6 {White is better.} 17. a4 Rf7 18. Nd3 Nf6 19. Rc6 Bf8 20. Qc2 Bd7 21. Rc1 Ne8 22. Nb4 g4 23. Kh1 ({White should try} 23. Rc3 $14) 23... g3 24. Bg1 gxh2 25. Bf2 Rg7 {[#]} (25... h4 $11) 26. Bf1 ({Only move:} 26. Nc7 $1 $16) 26... Qg5 $11 27. Nc7 Nxc7 $1 (27... Bxc6 $6 28. Ne6 $16) 28. Rxc7 h4 29. Kxh2 h3 30. gxh3 Nh4 31. Qd1 Re8 32. Nc6 $1 a5 $1 33. Rc3 {Black must now prevent Ra7.} (33. Kh1 Rh7) 33... Qh5 34. Rb7 (34. Qe2 $14) 34... Kh8 35. b3 $36 {[%mdl 2048] Black is under pressure.} ({Don't blunder} 35. Rxb6 $2 {[#]} Bxh3 $1 {[%mdl 512]} 36. Bxh3 Rg2+ 37. Kh1 Rxf2 $19) 35... Bxh3 36. Rxg7 Bxf1 37. Qxf1 Bxg7 $4 {[%mdl 8192]} (37... Nxf3+ $11 {and Black is okay.} 38. Kg2 Nd2) 38. Qh3 $18 Nxf3+ $2 (38... Bf6 39. Kg1 (39. Bxb6 $2 Rg8 $19) 39... Rg8+ 40. Kf1 Qh7) 39. Rxf3 Bf6 {Accuracy: White = 44%, Black = 49%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "3.4"]
[White "Uyanga, Byambaa"]
[Black "Lujan, Carolina"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2114"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,107,41,4,43,31,40,13,27,39,53,16,27,-18,0,-34,10,31,16,20,35,11,35,38,42,27,75,59,153,139,114,122,130,114,113,113,95,81,98,92,92,92,92,92,92,98,91,72,74,22,18,-8,-14,-17,-8,-7,0,-6,0,-2,-2,-70,-60,-147,-140,-164,-39,-29,-18,-18,33,31,231,231,243,232,436,404,400,382,598,583,499,265,265,256,231,94,98,33,38,14,22,8,8,8,8,8]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd3 Na6 7. Be3 Ng4 {B09: Pirc Defence: Austrian Attack} (7... b6 8. a3 c5 9. Qe2 cxd4 10. Bxd4 Nc5 11. O-O-O Nxd3+ 12. Qxd3 Bb7 13. h4 Rc8 14. f5 e5 15. fxe6 fxe6 {0-1 (33) Perez,R (2365)-Petrosian,T (2595) Philadelphia 2017}) 8. Bg1 c5 9. h3 Nf6 $146 ({Predecessor:} 9... cxd4 10. Nxd4 Nf6 11. Bxa6 bxa6 12. Qd3 Bb7 {½-½ (32) Hadzic,H (2229)-Perez,I (2248) Seattle 2010}) 10. Qd2 Rb8 11. a4 b6 12. Be3 Bb7 13. d5 Nc7 14. O-O a6 15. f5 b5 16. fxg6 hxg6 (16... fxg6 $5 {[%cal Rc5c4]} 17. axb5 axb5 $11) 17. axb5 axb5 {Black wants to play ...c4.} 18. Ng5 $1 $36 {[%mdl 2048] White has good play.} c4 19. Be2 Qc8 ({Black should play} 19... Bh6 $14) 20. Qe1 $16 {aiming for Qh4.} Nh7 21. Nxh7 Kxh7 22. Qh4+ Kg8 23. Qxe7 b4 24. Na4 ({Stronger than} 24. Qxd6 bxc3 25. b4 cxb3 $17) 24... Nb5 25. Nb6 Qe8 26. Qxe8 $1 Rfxe8 27. Bxc4 Rxe4 28. Bf2 $1 Nc7 29. Ra7 Bxb2 30. Bb3 (30. Rd1 $16) 30... Nb5 $11 31. Ra2 Bg7 32. Ra5 Nd4 33. Nc4 Rd8 34. Rd1 Ne2+ 35. Kh1 Nc3 36. Rf1 (36. Rd2 $11) 36... Rf4 {And now ...Ne4 would win.} ({Don't play} 36... Nxd5 $6 37. Ra7 $14) 37. Kg1 (37. Nd2 $15) 37... Bxd5 $17 38. g3 {[#]} Rxc4 ({But not} 38... Bxc4 39. gxf4 Bxf1 40. Kxf1 $15) (38... Re4 $1 $19 39. Rxd5 Nxd5) 39. Rxd5 $1 $15 Rc7 40. Rd3 Re8 ({Better is} 40... Rdd7 $11) 41. Rxd6 $14 Kh7 $2 (41... Re2 $14) 42. Bb6 $1 $18 {[%csl LRc7,LRf7]} Rb7 {White must now prevent ...Rxb6!} 43. Bxf7 {[%mdl 64] Double Attack} Rxb6 $2 (43... Be5) 44. Rxb6 Bd4+ 45. Kh1 Re7 (45... Bxb6 $142 46. Bxe8 Ne4) 46. Bxg6+ Kg7 47. Rxb4 (47. Ra6 $142) 47... Ne2 48. Rxd4 {Threatening mate with Rg4.} Nxg3+ 49. Kg1 (49. Kg2 $18 {is more deadly.} Nxf1 50. Bd3) 49... Ne2+ $16 {[#]} 50. Kg2 ({White should try} 50. Kf2 $1 $16 Nxd4 51. Rg1) 50... Nxd4 $14 51. Bd3 {Kg3 is the strong threat.} Nxc2 $1 {[%mdl 64] Decoy. The position is equal.} 52. Bxc2 {Hoping for Kg3.} Re2+ {[%mdl 64] Double Attack} 53. Rf2 Rxf2+ 54. Kxf2 {Accuracy: White = 49%, Black = 42%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.18"]
[Round "3.5"]
[White "Belakovskaia, Anjelina"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2191"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,77,0,0,-26,0,-40,-20,-27,69,46,49,87,62,23,61,57,101,100,90,-38,0,0,0,0,0,0,0,0,0,0,44,0,393,353,533,479,535,508,835,821,1322,864,838,829,840,0,377,62,264,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. cxd5 exd5 9. Qb3 c6 10. Bd3 Nd7 11. O-O-O {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} (11. h4 Re8 12. g4 Nf8 13. g5 hxg5 14. hxg5 Bxg5 15. Ne5 Rxe5 16. dxe5 d4 17. O-O-O Be6 18. Qc2 Qa5 19. Ne4 Bh6 20. Nf6+ Kh8 21. Rdg1 Nd7 22. Bc4 Nxf6 23. exf6 Bf5 24. fxg7+ Kh7 25. Bd3 {1-0 (25) Kulaots,K (2586)-Pacher,M (2470) Legnica 2013}) 11... b5 12. g4 Nb6 $146 (12... Bh4 $5 13. Rdf1 (13. Nxh4 Qxh4 {[%mdl 64] Double Attack} 14. Qc2 Qxg4 $15) 13... a5 $11) ({Predecessor:} 12... g6 13. h4 Bg7 14. g5 h5 15. e4 Qc7 16. e5 Nb6 17. Rde1 Be6 18. Kb1 Rfc8 {0-1 (59) Spodny,J-Kiviaho,A ICCF corr 1976}) 13. Rdg1 a5 (13... g6 $1 $11) 14. h4 $1 $14 a4 15. Qd1 b4 16. Ne2 Be7 17. g5 {Hoping for gxh6.} Qd6 18. Nf4 Nc4 19. Bb1 (19. Qe2 $16) 19... b3 (19... h5 $5) 20. axb3 axb3 {And now ...Bf5! would win.} 21. Qd3 $1 {[%csl Gb1][%cal Rd3h7]} g6 {Threatens to win with ...Bf5.} 22. gxh6 $40 {[%mdl 128] White is up to no good.} Nxb2 $1 23. Qxb3 Nc4 {White must now prevent ...Rb8.} 24. h5 Ra1 {aiming for ...Bf5.} 25. Qc2 Qa3+ $2 {[%mdl 8192]} (25... Na3 $11 {and Black has nothing to worry.} 26. hxg6 Nxc2 27. h7+ Kg7 28. Nh5+ Kh6 29. Nf6+ Kg7 $1 {[%mdl 512]} 30. Nh5+ Kh6 31. Nf6+ Kg7 32. Nh5+) 26. Kd1 $18 {Intending Rxg6+! and mate.} Nb2+ {[#]} (26... Rxb1+ $142 27. Qxb1 Nxe3+ 28. fxe3 Qxe3) 27. Ke1 $1 Rxb1+ 28. Qxb1 Ba6 (28... Qa5+ $142 29. Kf1 Qb5+ 30. Ne2 Ba6) 29. hxg6 Bb4+ 30. Nd2 Bxd2+ 31. Kxd2 Nc4+ 32. Kd1 $2 (32. Ke2 $18 {White wants to mate with gxf7+.} Ne5+ 33. Kd1 Qa4+ 34. Kc1 Qa3+ 35. Kd1 Qa4+ 36. Kc1 Qa3+ 37. Kd1) 32... Qa4+ $2 {[%mdl 8192] [#]} (32... Nb2+ $1 $11 {and Black stays safe.} 33. Kd2 Nc4+ 34. Ke2 Ne5+ 35. Kd1 Qa4+ 36. Kc1 Qa3+ 37. Qb2 Qxb2+ 38. Kxb2 Rb8+ 39. Kc3 Nxg6 40. h7+ Kh8 41. Rxg6 fxg6 42. Nxg6+ Kg7 43. h8=Q+ Rxh8 44. Nxh8 Be2) 33. Kc1 $2 (33. Qc2 Qa1+ 34. Ke2 Ne5+ 35. Nd3 Bxd3+ 36. Qxd3 Qb2+ 37. Qd2 Qb5+ 38. Kd1 Qb1+ 39. Ke2 (39. Qc1 Qd3+ 40. Qd2 Qb1+ 41. Ke2 Qb5+ 42. Kd1 Qb1+ $11 {[%mdl 64] Double Attack}) 39... Qb5+ 40. Kd1 Qb1+ {[%mdl 64] Double Attack} 41. Qc1 Qd3+ 42. Qd2 Qb1+ $11) (33. Ke2 $1 $18 {White threatens gxf7+ and mate.} Ne5+ 34. Kd2 Nf3+ 35. Kc1 Nxg1 36. gxf7+ Kxf7 37. Rxg1 Qa3+ 38. Qb2 Qxb2+ 39. Kxb2) 33... Qa3+ $14 {[#]} 34. Kd1 $2 (34. Kc2 $1 $18 Bb5 35. h7+ Kg7 36. gxf7+ Kf6 37. Rh6+ (37. Kd1 Qa4+ 38. Ke2 Ne5+ 39. Kd2 Qa5+ 40. Kd1 Ba4+ 41. Ke2 Bb5+ 42. Nd3 Bxd3+ 43. Qxd3 Nxd3 $11) 37... Ke7 38. Kd1 (38. Ng6+ Kd8 $11)) 34... Nb2+ $11 {The position is equal.} 35. Qxb2 Qxb2 36. h7+ Kg7 37. Nh5+ Kh6 {Strongly threatening ...Be2+.} 38. Nf6+ Kg7 39. Nh5+ {Accuracy: White = 56%, Black = 40%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "4.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Hernandez Moya, Yuleisy"]
[Result "1/2-1/2"]
[ECO "A86"]
[WhiteElo "2118"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,44,0,6,-14,-19,-16,45,41,45,56,43,38,35,45,39,45,64,47,75,0,0,-27,74,75,96,82,131,93,89,40,26,15,22,0,31,0,25,0,27,0]} 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 c6 6. Nh3 O-O 7. O-O d6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Nbd7 {A86: Dutch Defence: Leningrad System: Unusual lines and 5 Nh3} (10... Kh8 11. Ng5 Bg8 12. Rb1 Na6 13. b3 d5 14. cxd5 Nb4 15. Qd2 Nfxd5 16. Nxd5 Nxd5 17. Bb2 Bxb2 18. Rxb2 {1-0 (47) Mirzoev,A (2541)-Stremavicius,T (2434) Panevezys 2017}) 11. Qxd6 Bxc4 12. Qb4 Nb6 (12... b5 $11 13. Bxc6 a5) 13. Be3 {[#] And now Bxb6 would win.} Nfd7 14. Rfd1 {aiming for Bxb6.} a5 15. Qd6 Qb8 16. Qd2 Qe8 $146 ({Predecessor:} 16... a4 17. Bd4 Rd8 18. Qg5 Bxd4 19. Rxd4 Ne5 20. Rad1 Rxd4 21. Rxd4 Qf8 {½-½ (21) Reilly,P (2186)-Smithers,S (2392) IECG email 1997}) 17. Qc2 {Threatens to win with Na4.} Be6 18. Ng5 Kh8 19. Rd6 (19. Nxe6 $16 Qxe6 20. b3) 19... Bg8 $1 $11 20. Rad1 Rf6 (20... Nc4 $11 21. Rxd7 Nxe3 22. fxe3 Qxe3+ {[%mdl 64] Double Attack} 23. Kh1 Qxg5) 21. R6d3 h6 22. Nf3 Nd5 {Black wants to play ...Nb4.} 23. Nxd5 Bxd5 24. Ne1 Ne5 25. R3d2 Nc4 26. Rd3 Ne5 27. R3d2 (27. Rc3 $5 {[%cal Rg2d5]}) 27... Nc4 {[%mdl 64] [#] Double Attack} 28. Rd3 Ne5 29. R3d2 {Accuracy: White = 43%, Black = 40%.} (29. Rc3 $5 {[%cal Rg2d5]}) 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "4.2"]
[White "Wang, Annie"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2321"]
[BlackElo "2114"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,85,51,51,62,54,54,55,59,47,68,55,59,52,87,65,148,64,59,18,115,89,79,85,87,85,108,78,146,86,206,209,294,280,293,234,250,239,223,253,241,181,180,179,306,324,305,299,314,322,294,282,284,0,0,0,124,97,127,-4,-8,-7,-8,-8,-8,-8,764,773,852,797,29984,29985,29985,29986]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 Nbd7 8. g4 Nc5 {E73: King's Indian: Averbakh Variation without 6...c5} 9. f3 a5 10. h4 c6 {White is slightly better.} (10... h5 11. g5 Nh7 12. Kd2 Bd7 13. Nh3 c6 14. Nf2 cxd5 15. exd5 f5 16. gxf6 Nxf6 17. Bxc5 dxc5 {0-1 (37) Vallejo Pons,F (2705)-Radjabov,T (2741) Palma de Mallorca 2017}) 11. h5 cxd5 {[#] Threatens to win with ...d4.} 12. cxd5 Bd7 13. Qd2 Rc8 14. Nh3 $146 ({Predecessor:} 14. hxg6 fxg6 15. Nh3 {1-0 (28) Steponavicius,S (2196)-Tuska,R Vilnius 2013}) 14... b5 (14... gxh5 $14 15. g5 Ne8) 15. Nf2 (15. h6 $16 Bh8 16. Bxb5) 15... b4 $14 16. Ncd1 (16. Nb5 {looks sharper.} Qb6 17. a4 Qb8 18. h6 Bh8 19. Qd1) 16... Qb6 (16... gxh5 $11 17. gxh5 Ne8) 17. Nd3 Nxd3+ 18. Bxd3 Qb7 19. Qe2 Rc7 20. Bg5 Bc8 (20... gxh5 $142 21. Qd2 Ne8) 21. Ne3 ({Better is} 21. h6 Bh8 22. Ne3) 21... Ne8 (21... h6 $16 {was worth a try.}) 22. Nc4 $18 f6 (22... h6 $142) 23. Be3 (23. Nxa5 Qa8 $15) 23... a4 24. Na5 Qa8 25. Nc6 f5 26. hxg6 fxg4 27. gxh7+ Kh8 28. fxg4 a3 (28... Nf6 {was necessary.} 29. g5 Ng4) 29. g5 axb2 30. Qxb2 Ba6 31. Bxa6 Qxa6 32. O-O-O (32. Qxb4 Qd3 $14) 32... Rcf7 33. g6 $2 ({Stronger than} 33. Qxb4 Rb7 $15) (33. Rh2 $18) 33... Rf3 $11 34. Bd2 {Strongly threatening Rde1.} ({Not} 34. Qxb4 $2 Rxe3 35. Nd8 Qc8+ 36. Kd2 Ref3 $19) 34... Nc7 (34... b3 $11 35. axb3 Nf6) 35. Nxb4 $16 Qa4 36. Nc6 ({White should play} 36. Qc2 $16 Qa3+ 37. Kb1) 36... Qxe4 $11 37. Qc2 Qxc2+ 38. Kxc2 {And now Bh6 would win.} Nxd5 {aiming for ...Rc8.} 39. Kb1 $36 {[%mdl 2048] White fights for an advantage.} Nc3+ $2 {[%mdl 8192]} (39... e4 $11) 40. Bxc3 $1 $18 {[%mdl 64] [#] Discovered Attack} Rxc3 41. Rxd6 Rc8 42. Rd8+ Rxd8 43. Nxd8 {Accuracy: White = 55%, Black = 50%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "4.3"]
[White "Lujan, Carolina"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2352"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,101,0,0,0,10,0,0,0,24,0,84,75,56,-29,-19,-81,-20,-24,-19,-19,-22,-21,0,-16,0,-6,-2,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e6 7. O-O Be7 8. Be3 O-O 9. Kh1 Nxd4 10. Qxd4 Bd7 11. f4 Bc6 12. Bf3 Qc7 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 14. a5 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3} Nd7 15. Rfd1 Rac8 16. Qd2 {[#]} Nc5 $146 ({Predecessor:} 16... f5 17. e5 Bxf3 18. gxf3 Qc6 19. exd6 Bf6 20. Qg2 Rfd8 21. Rd3 Nf8 {½-½ (86) Sengupta,D (2540)-Ni,H (2660) Kolkata 2012}) 17. Qf2 b5 (17... Nd7 $11) 18. axb6 $1 $16 Qxb6 19. Bxc5 ({White should play} 19. Bd4 $14) 19... dxc5 $11 20. Na4 (20. Qe3 $11 {keeps the balance.}) 20... Bxa4 (20... Qb4 $17 21. c3 Qb7) 21. Rxa4 Qxb2 22. Rxa6 Rfd8 23. Raa1 {[%cal Ba6a1,Ba1b1,Bb1b3][%mdl 32]} g6 24. Qe2 Rd4 25. Rab1 Qc3 26. Rb3 Rxd1+ 27. Qxd1 Qa5 28. g3 c4 29. Rb7 Rd8 30. Rd7 Rxd7 31. Qxd7 Qc3 (31... Bc5 {seems wilder.} 32. Kg2 Kg7 33. Qd1 Qc3 34. e5 Qe3) 32. Qd1 Bc5 33. e5 Kg7 34. Kg2 Qe3 35. Qe2 Qg1+ 36. Kh3 c3 37. Qd1 Qe3 38. Qe2 Qd2 39. Kg2 Qd4 40. Qd1 Qf2+ 41. Kh3 Qd2 42. Qxd2 cxd2 {[%mdl 4096] Endgame KB-KB} 43. g4 h6 44. Kg3 {The position is equal.} g5 45. h4 gxf4+ 46. Kxf4 Bf2 47. h5 f6 48. c4 Bd4 49. exf6+ Kxf6 50. Ke4 Bc5 51. Kd3 {Accuracy: White = 64%, Black = 49%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "4.4"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Matras-Clement, Agnieszka"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "2011"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,92,-35,-31,-44,-23,-19,-37,-29,-21,-184,-177,-217,-152,-127,-18,-14,-13,-162,-185,-192,-183,-245,-243,-271,-284,-281,-289,-311,-183,-181,-169,-283,-273,-310,-315,-329,-327,-313,-322,-309,-292,-395,-410,-402,-399,-358,-349,-487,-484,-493,-479,-568,-589,-580,-578,-678,-671,-679,-677,-1069,-1075,-914,-763,-927,-937,-29987,-29988,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29988]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bb4 7. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 d5 {...d4 is the strong threat.} 11. Bxf6 {B45: Sicilian Four Knights} Qxf6 12. Qxd5 Bxf5 13. exf5 {Black is slightly better.} Rd8 14. Qb3 $2 (14. Qf3 $11) 14... Qd6 $1 $19 {[%csl Gd8][%cal Rd6d2]} (14... Qxf5 15. Bb5 $11) 15. Bd3 Nd4 $146 {[%mdl 2048] Black is really pushing.} ({Predecessor:} 15... e4 16. Bxe4 Na5 17. Qa4 Qd4 18. O-O Bxc3 {½-½ (30) Stolterfoht,D (2004)-Aschenbrenner,R (2261) Graz 2009}) 16. Qa4 {[#]} b5 ({Black should try} 16... e4 $1 $17 {[%cal Re4d3][%mdl 512]} 17. Bc4 (17. Bxe4 b5) 17... Rc8) 17. Bxb5 $11 {Threatens to win with 0-0-0.} (17. Qxa7 $2 Qc6 $17) 17... Qc5 ({Of course not} 17... Nxb5 18. Qxb5 Bxc3+ 19. bxc3 $14) 18. O-O (18. Rd1 $1 $11 {and White stays safe.}) 18... Bxc3 $19 19. bxc3 Nxb5 20. Qa5 (20. Rad1 $142 Nd6 21. Rd3) 20... Rc8 21. Rfd1 {[#]} Ke7 $1 22. Rab1 Nd6 {[%cal Bb5d6,Bd6e8,Be8f6,Bf6g4][%mdl 32]} ({But not} 22... Nxc3 23. Qxc5+ Rxc5 24. Rb7+ Kf6 25. Rd6+ Kg5 26. Rxf7 $19) 23. Qa4 Rc7 ({Stronger than} 23... Qxc3 24. Rxd6 Kxd6 25. Rd1+ Ke7 26. Qd7+ Kf8 27. Qd6+ Ke8 28. Qd7+ Kf8 29. Qd6+ Ke8 30. Qd7+ Kf8 $11) (23... h5 $142 24. Rd3 e4) 24. Qg4 Ne8 25. Rd3 (25. Qg3 {was called for.}) 25... Nf6 26. Qxg7 Rg8 27. Qh6 {[#]} Qxf2+ $1 {[%mdl 576] Decoy} 28. Kxf2 Ng4+ {[%mdl 64] Double Attack} 29. Kg1 {White threatens Qd6+ and mate.} Nxh6 30. Re1 f6 31. Rh3 Nxf5 32. Rxh7+ Rg7 33. Rh5 Ke6 34. Rh3 Rc4 35. Rf3 {[#]} Nh4 $1 36. Rf2 Rxc3 37. Ref1 f5 38. Kh1 f4 39. Re2 {[#]} Rgc7 {Played: f4-f3} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "4.5"]
[White "Ordaz Valdes, Lisandra Teresa"]
[Black "Belakovskaia, Anjelina"]
[Result "1-0"]
[ECO "D08"]
[WhiteElo "2393"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,66,68,80,75,73,54,73,68,35,48,140,136,275,262,247,131,157,176,210,200,209,185,187,186,201,69,70,71,116,115,291,301,315,268,246,216,219,216,1018,1007,29979,29980,29975,29970,29964,29966,29996,29990,29990,29991,29991,29987,29987,29988,29999]} 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 Bg4 6. Nbd2 Qe7 7. h3 Bh5 8. g4 {D08: Albin Counter Gambit} (8. Qa4 O-O-O 9. b4 Nxe5 10. Nxe5 Qxe5 11. Bb2 Kb8 12. Nb3 Nf6 13. e3 c5 14. bxc5 Bxc5 15. Bd3 Qg5 16. Nxc5 Qxc5 {0-1 (37) Sammalvuo,T (2416)-Kiik,K (2406) Finland 2018}) 8... Bg6 9. Bg2 O-O-O 10. O-O {White is better.} h5 $1 11. g5 $1 h4 ({Better is} 11... Qe6 $14) 12. b4 $16 f6 (12... Nxe5 $16 13. Qa4 Nxf3+ 14. Nxf3 a6) 13. exf6 $18 gxf6 14. b5 $146 (14. Bb2 $18) ({Predecessor:} 14. Nb3 Ne5 15. Nxe5 Qxe5 {0-1 (41) Mikenas,V-Mosionzhik,I Riga 1968}) 14... Ne5 15. Nxe5 fxe5 16. Ne4 Kb8 17. a4 Qh7 18. Qd3 $1 Ne7 {[#]} 19. b6 (19. f4 $1 $18) 19... cxb6 $14 20. a5 Nc8 21. axb6 Nxb6 $2 {[#]} (21... axb6 $16 22. Qf3 Bxe4 23. Qxe4 Qxe4 24. Bxe4 Nd6) 22. f4 $1 $18 Nd7 23. Ba3 Bxa3 24. f5 Bxf5 25. Rxf5 Qxf5 $2 (25... Bb4 26. Qf3 Qh5) 26. Qxa3 {Threatens to win with Nd6!} Qf8 27. Qxa7+ {White mates.} Kc7 28. Qa5+ Kc8 29. Rb1 b6 30. Qa6+ Kc7 31. Qa7+ Kc6 {[#]} 32. c5 {Played: Ne4-c5} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "5.1"]
[White "Matras-Clement, Agnieszka"]
[Black "Lujan, Carolina"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2260"]
[BlackElo "2352"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,39,43,59,49,-18,-16,3,40,0,26,31,31,0,79,86,96,68,108,35,154,164,190,206,363,320,479,280,268,207,202,200,312,294,336,338,367,358,364,354,370,362,364,375,364,366,399,343,341,337,688,659,785,785,755,791,769,782,707,436,465,457,766,793,747,739,29997,29998,29998,29999]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 b5 6. f3 Bg7 7. O-O-O b4 8. Nce2 {B07: Pirc Defence: Miscellaneous Systems} a5 (8... Qa5 9. Kb1 Be6 10. Nc1 Nbd7 11. Nge2 Bc4 12. Bh6 Bxh6 13. Qxh6 Nb6 14. g4 O-O-O 15. Qd2 h6 {1-0 (36) Nikitenko,M (2365)-Filipets,E (2324) Rogachev 2018}) 9. Bh6 (9. Nf4 $14) 9... Bxh6 $11 10. Qxh6 {The position is equal.} Qc7 11. Kb1 Nbd7 12. Nh3 a4 $146 ({Predecessor:} 12... c5 13. dxc5 Qxc5 14. Qg5 Qxg5 15. Nxg5 {½-½ (29) Padysak,T (2022)-Diviak,R (2043) Slovakia 2009}) 13. Ng5 b3 (13... Ba6 $1 $11) 14. cxb3 $16 (14. Qg7 bxc2+ 15. Kxc2 Rf8 $11) 14... axb3 {[#]} 15. a3 $1 (15. Qg7 bxa2+ 16. Ka1 Rf8 $11) 15... Nb6 16. Nc1 (16. Nc3 $16) 16... Na4 ({Better is} 16... Qa7 $1 $14) 17. Bc4 (17. Nxb3 Rb8 $11) 17... d5 18. Bxb3 {Black must now prevent g4.} Qb6 $2 (18... Qa5 {is a better defense.} 19. Nd3 (19. Qg7 Rf8 $16) (19. Bxa4 Qxa4 20. Nd3 dxe4 $18) 19... Ba6) 19. Rhe1 (19. Qg7 Rf8 $18) 19... c5 (19... Rf8 {might work better.} 20. Ka1 (20. Nxh7 Nxh7 21. Qxh7 Qa5 $18) 20... dxe4 21. Nxe4 (21. fxe4 Qa5 $18) 21... Nxe4) 20. dxc5 ({Less strong is} 20. Qg7 Rf8 $18) (20. Bxa4+ $142 Rxa4 21. Qg7) 20... Nxc5 $18 21. Bxd5 Nxd5 22. Rxd5 $40 {[%mdl 128] White goes for the king.} ({Much less strong is} 22. exd5 $6 Bf5+ 23. Ne4 Rxa3 $16) 22... Ne6 (22... Na4 {was necessary.} 23. Qg7 Qf6 24. Qxf6 exf6) 23. Red1 Bb7 24. Rd7 {Hoping for Nxe6.} Rb8 {( -> ...Bxe4+!)} 25. R1d2 Nxg5 26. Qxg5 {[%csl Gd7][%cal Rg5e7]} O-O 27. Qxe7 Bc6 28. R7d6 Qa5 29. h4 Rfc8 30. Qf6 Ba4 31. h5 {h6 is the strong threat.} Qc7 $2 (31... Qc5 32. Rd8+ Be8) 32. Ne2 {h6 would kill now.} Bc2+ 33. Ka1 {White wants to mate with h6.} Bb3 34. Nc3 {Threatening mate with h6.} gxh5 35. Qg5+ Kf8 36. Qh6+ Kg8 37. Qxh5 Ra8 (37... Qe7 $142 38. a4 Be6) 38. Qg5+ Kf8 39. Qf6 Qa5 40. Qh8+ {[%mdl 64] [#] Double Attack} Ke7 41. Rd7+ {Accuracy: White = 59%, Black = 44%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "5.2"]
[White "Hernandez Moya, Yuleisy"]
[Black "Saikhanchimeg, Tsogtsaikhan"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2199"]
[BlackElo "2011"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,49,52,55,39,64,50,56,50,66,64,58,46,58,35,44,43,39,46,76,75,84,76,86,29,40,0,0,-60,-18,-63,-19,-20,-25,-96,-64,-129,-154,-735,-705,-661,-525,-1514,-1453,-5506,-1891,-29988,-29980,-29991,-29992,-29994,-29994,-29994,-29995,-29995,-29996]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 {B41: Sicilian: Kan Variation: 5 c4} 9. f3 d6 10. Be2 (10. Rc1 Nbd7 11. Be2 Rc8 12. O-O Be7 13. b4 Qb8 14. Qd2 Bd8 15. Kh1 h5 16. Nb3 {1-0 (36) Karjakin,S (2753)-Smirin,I (2609) St Petersburg 2018}) 10... Nbd7 {White is slightly better.} 11. O-O Be7 12. Qd2 O-O 13. Rfc1 Rac8 14. a4 Rfe8 15. a5 bxa5 16. Nb3 Rb8 $146 ({Predecessor:} 16... h5 17. Nxa5 Ba8 18. Nd1 h4 19. Nf2 {1-0 (51) Vocaturo,D (2572)-Cruz,F (2400) Santa Coloma 2015}) 17. Nxa5 Ba8 18. Kh1 Ne5 {[#]} 19. b4 $1 {[%mdl 512]} d5 $1 $11 {[%cal Rd5e4]} (19... Rxb4 20. Nb5) 20. c5 (20. exd5 Bxb4 21. Qd4 Ng6 $15) 20... dxe4 21. fxe4 (21. Nxe4 $11 Nxe4 22. fxe4) 21... Red8 ({Of course not} 21... Nxe4 $6 22. Nxe4 Bxe4 23. Bf4 $11) (21... Rxb4 $6 22. Nd5 $14) (21... Bxe4 $6 22. Nxe4 Nxe4 23. Qe1 $11) 22. Qe1 $1 Nd3 ({Worse is} 22... Nxe4 23. Nxe4 Bxe4 24. Bf4 $14) 23. Bxd3 $1 Rxd3 24. Bf2 (24. Qe2 $11 Rdd8 25. b5 Bxc5 26. Bxc5 Qxc5 27. bxa6) 24... Rxb4 $17 {[%cal Rf6e4] [#]} 25. Nd5 {[#]} (25. c6 $1 $15 {[%mdl 512]}) 25... Bxd5 $1 $40 {[%mdl 640] Black attacks with force.} 26. Qxb4 $2 (26. exd5 $17 Nxd5 27. Qf1) 26... Nxe4 $19 {Strongly threatening ...Rh3!} 27. Rc2 Qf4 28. Qe1 {[#]} Rh3 $1 {[%csl Gh3][%cal Rf4h2][%mdl 512]} 29. Qg1 {[#]} (29. gxh3 Nxf2+) 29... Bf6 $1 {[%mdl 512]} 30. Nc4 Bxa1 {Black mates.} 31. c6 {[#]} Bd4 $1 32. Ne3 (32. Bxd4 Ng3#) 32... Bxe3 33. c7 Nxf2+ {[%mdl 64] Overworked Piece} 34. Rxf2 Qxc7 {Accuracy: White = 35%, Black = 54%.} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "5.3"]
[White "Cervantes Landeiro, Thalia"]
[Black "Ordaz Valdes, Lisandra Teresa"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2118"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,20,32,28,25,15,18,18,12,13,15,12,14,13,18,17,16,19,27,21,27,14,27,24,27,20,20,12,27,23,13,21,27,13,20,20,18,22,20,13,13,13,31,28,33,36,32,6,2,0,10,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} (6. e3 Bf5 7. g4 Be6 8. h3 Nd7 9. Bd3 h5 10. gxh5 Ndf6 11. h6 Nxh6 12. Qc2 Qd7 13. Nf3 Bf5 14. Ne5 Bxd3 15. Nxd3 Nh5 16. Bh2 Qxh3 {½-½ (32) Radjabov,T (2757)-Giri,A (2783) Wijk aan Zee 2019}) 6... Nf6 7. h3 Bd6 8. Bxd6 Qxd6 9. e3 O-O 10. Bd3 b6 11. Nf3 Ba6 12. O-O Bxd3 13. Qxd3 Nbd7 14. Rfd1 $146 Rfe8 15. Rac1 Rac8 16. Rc2 Ne4 17. Nd2 {[%cal Rd2e4]} Nxc3 18. Rxc3 Nf6 19. Qa6 Rc7 20. Rdc1 g6 21. a3 Rec8 22. b4 Nd7 23. Qd3 Nf6 24. Nb3 Ne4 25. R3c2 c5 (25... Qf6 {looks sharper.} 26. Qe2 Nd6 27. Nd2 Qe7 28. Qd3 Kg7) 26. dxc5 bxc5 27. bxc5 Nxc5 28. Nxc5 Rxc5 {The position is equal.} 29. Rxc5 Rxc5 30. Rxc5 Qxc5 {Accuracy: White = 57%, Black = 57%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "5.4"]
[White "Krush, Irina"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2417"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,173,20,18,26,75,60,77,58,70,47,85,84,117,113,116,91,100,103,172,170,172,168,172,179,148,130,132,139,139,132,132,132,132,132,132,136,133,134,131,125,134,121,103,92,128,120,162,138,182,205,217,213,220,97,127,97,97,90,90,92,129,79,95,95,226,122,122,0,19,0,122,122,321,341,244,0,0,0,0,-402,-415,-408,-398,-378,-393,-378,-359,-352,-321,-256,0,0,0,0,0,-12,-6,-8,-8,-14,-18,-116,-27,-217,0,-468,0,0,175,175,160,160,743,735,718,680,680,679,690,683,651,637,664,273,250,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. Nf3 Nf6 3. e3 d5 4. Bd3 c5 5. b3 Nc6 6. O-O Bd6 7. dxc5 Bxc5 8. Bb2 O-O 9. a3 b6 10. b4 Be7 11. Nbd2 Bb7 12. Qe2 {D05: Colle System with ...e6} Qc7 (12... a5 13. b5 Nb8 14. c4 Nbd7 15. Rfd1 Nc5 16. Bc2 Qe8 17. cxd5 Nxd5 18. e4 Nf6 19. a4 Qb8 {½-½ (49) Naiditsch,A (2689)-Kovacevic,A (2507) Hungary 2016}) 13. c4 $146 ({Predecessor:} 13. Rac1 Rac8 14. c4 Qb8 15. e4 dxc4 16. Nxc4 Rfd8 17. b5 Na5 18. Nxa5 bxa5 19. Ne5 Qa8 {½-½ (45) Gonzalez Rodriguez,J (2336)-Frois,A (2346) Madrid 2000}) 13... Rad8 14. Rac1 {Black must now prevent Bxf6.White is better.} Qb8 15. h3 h6 16. Bb1 Qa8 17. cxd5 Rxd5 18. Ne4 Nxe4 19. Bxe4 Rdd8 (19... Rd6 $16) 20. Bb1 $1 $18 Nb8 21. Rc7 Bd6 22. Qc2 {[%csl Gb1][%cal Rc2h7]} Be4 23. Qc3 {[%csl Gb2][%cal Rc3g7]} ({Much weaker is} 23. Qxe4 $6 Qxe4 24. Rxf7 Kxf7 $11) 23... f6 24. Bxe4 Qxe4 25. Rxa7 Nc6 26. Ra6 $1 Ne5 27. Nxe5 $1 Bxe5 28. Qb3 Bxb2 29. Qxb2 Rd6 30. Rc1 Rfd8 31. Qc2 Qe5 32. Qe2 Rd2 33. Qf3 R8d6 34. g3 Kh7 35. Ra7 Rd7 36. Rxd7 Rxd7 {[%mdl 4096] Endgame KQR-KQR} 37. Kg2 (37. Rc6 $18 {and White stays clearly on top.}) 37... Ra7 38. Rc6 Rxa3 39. Rxb6 Ra2 40. Rc6 f5 41. h4 Rb2 42. Rb6 $1 Rb1 (42... Ra2 $16 {was worth a try.}) 43. h5 (43. Qc6 $18) 43... Rb2 $16 44. Rb7 (44. g4 $1 $16) 44... Rb3 45. Rb6 (45. Re7 $11) 45... Rb2 $1 46. g4 $1 Rb1 $2 (46... Qf6 $16 47. gxf5 Qg5+ 48. Qg3 Qxf5) 47. gxf5 $18 exf5 48. Rb7 $2 (48. Qc6 $18 {Strongly threatening Qg6+.} Qe4+ 49. Qxe4 fxe4 50. b5) 48... Qf6 $1 $11 49. b5 Rb4 $1 {[%cal Rb4g4]} 50. Rc7 $2 {[%mdl 8192]} (50. Rd7 $11) 50... Rg4+ $19 51. Kf1 Qa1+ 52. Ke2 Qb2+ {[%mdl 64] Double Attack} 53. Kd3 Qxb5+ 54. Kd2 Qa5+ 55. Kd3 Ra4 $2 (55... Rg1 $1 $19 56. Rc4 Qb5) 56. Qb7 $11 Ra3+ 57. Ke2 Qe5 $36 {[%mdl 2048] Black has the initiative.} 58. Rf7 Ra2+ 59. Kf3 Ra1 60. Kg2 Ra4 61. Kf3 (61. Rf8 $1 $11 {remains equal.}) 61... Rg4 (61... Qa1 $17 {( -> ...Qd1+)} 62. Qb3 Qh1+ 63. Ke2 Qxh5+ 64. Kd2 Qf3 65. Qxa4 Qd5+ {[%mdl 64] Double Attack} 66. Qd4 Qxf7) 62. Re7 $2 (62. Rf8 $1 $11) 62... Qf6 $2 (62... Qh2 $19 63. Ke2 Qxh5) 63. Rf7 $2 {[%mdl 8192]} (63. Qd5 $11 {and White is okay.} Qg5 64. Rf7 Qxh5 65. Qxf5+ Qxf5+ 66. Rxf5) 63... Qg5 $2 (63... Qh4 $19 64. Qd7 Rg5) 64. Qd5 Rg1 $2 (64... Qxh5 $11 {and Black has nothing to worry.} 65. Qxf5+ Qxf5+ 66. Rxf5 Ra4) 65. Qxf5+ $18 Qxf5+ 66. Rxf5 {KR-KR} g6 $2 {[#]} (66... g5 $16) 67. Rf7+ $1 Kg8 68. hxg6 Rxg6 69. Ra7 Rf6+ 70. Ke2 h5 71. f4 h4 72. Kf3 (72. Ra1 $142 Rh6 73. Rh1) 72... Rg6 {[#]} 73. f5 $2 (73. Ra5 $1 $18 {[%cal Ra5g5] aiming for Rg5.} Rg3+ 74. Ke4) 73... Rg3+ $1 $11 {The position is equal.} 74. Kf4 Rg2 $1 75. e4 {Threatens to win with Ra3.} h3 {...h2 is the strong threat.} 76. Ra3 h2 77. Rh3 Kg7 78. Ke5 Re2 79. f6+ Kf7 80. Rh7+ Kg6 81. Rh8 Ra2 82. Rh3 Ra5+ 83. Ke6 Ra6+ 84. Ke7 Ra7+ 85. Ke6 Ra6+ 86. Ke7 Ra7+ 87. Ke6 {Accuracy: White = 47%, Black = 49%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "5.5"]
[White "Uyanga, Byambaa"]
[Black "Belakovskaia, Anjelina"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2114"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,53,52,51,26,57,53,62,59,73,62,58,44,97,102,117,112,157,91,90,80,85,25,0,8,482,468,463,462,470,467,481,475,456,458,458,442,449,445,434,386,502,531,661,648,662,646,757,732,4925,4914,4910,4910,29964,29964,29966,29965,5927,5018,29973,29974,29977,29978,29978,29979,29982,29983,29983,29983,29981,29982,29982,29983,29983,29984]} 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 Bf5 6. Nf3 e6 7. Be2 Be7 8. O-O O-O {B01: Scandinavian Defence} 9. Qb3 {Threatens to win with c5.} (9. h3 c5 10. Be3 Qc8 11. Rc1 Rd8 12. Qb3 N8d7 13. Rfd1 h6 14. a3 Bg6 15. Qa2 cxd4 16. Bxd4 {½-½ (67) Perpinya Rofes,L (2400)-Bergez,L (2368) Catalunya 2014}) 9... Qc8 10. Bf4 c6 {White is slightly better.} 11. Rac1 N8d7 12. a4 $146 {And now a5 would win.} ({Predecessor:} 12. Rfd1 Re8 13. a4 Nf8 {1-0 (50) Finnlaugsson,G (2024)-Patola,E (1862) Sastamala 2016}) 12... a5 13. Rfd1 Bb4 (13... Re8 $14) 14. Nh4 $16 Re8 15. c5 Nd5 16. Nxd5 (16. Nxf5 $142 Nxf4 17. Nd6 {[%mdl 64] Double Attack}) 16... exd5 17. Nxf5 Rxe2 18. Be5 (18. Nd6 $16 Qd8 19. Kf1 (19. Nxb7 Qf6 $11)) 18... Rxe5 $11 19. dxe5 $40 {[%mdl 128] Hoping for Ne7+. Black needs to defend precisely.} Nxc5 $2 {[%mdl 8192]} (19... Qe8 $11) 20. Ne7+ $18 Kf8 21. Qxb4 $1 ({Inferior is} 21. Nxc8 Nxb3 22. Nb6 Ra6 $17) 21... axb4 22. Nxc8 Nb3 23. Nb6 Ra6 24. Nd7+ Ke7 25. Nc5 Nxc5 26. Rxc5 Rxa4 27. Rcc1 Ke6 28. Ra1 Rxa1 29. Rxa1 Kxe5 {[%mdl 4096] Endgame KR-KP} 30. Ra7 b5 31. Rc7 Kd6 32. Rxf7 c5 33. Kf1 b3 34. Ke2 c4 35. Kd2 b4 36. Rb7 Kc5 37. Rxg7 {White mates.} d4 38. Rxh7 c3+ 39. Kc1 Kd6 40. Rh8 Ke5 41. Rd8 Ke4 42. h4 d3 43. h5 d2+ {[#]} 44. Rxd2 $1 {Accuracy: White = 85%, Black = 18%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "6.1"]
[White "Belakovskaia, Anjelina"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2191"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,11,18,0,41,32,40,0,0,-11,8,14,5,-23,9,-3,12,10,32,15,56,45,54,44,36,44,42,35,49,56,54,39,53,39,47,31,30,26,22,25,32,22,39,41,55,15,21,27,29,26,54,43,58,57,60,28,5,0,0,0,0,0,0,0,0,0,0,-31,74,0,0,0,398,-29989,-29990,-29993,-29994,-29995,-29996]} 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 h5 7. h3 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Nh6 8. d3 Nf5 9. Nf4 $146 {White is slightly better.} ({Predecessor:} 9. b3 Bd7 10. Bb2 a6 11. Qd2 Rb8 12. Ne4 e5 13. N4c3 b5 14. Nd5 Nfe7 {½-½ (54) Gurevich,M (2667)-Minasian,A (2595) New Delhi/Teheran 2000}) 9... Qd7 10. Qa4 Ne5 11. Qc2 Rb8 12. Ne4 b5 13. Rb1 $1 bxc4 14. dxc4 Bb7 15. O-O h4 16. g4 Nh6 17. g5 Nf5 18. Rd1 {[#] Nxc5! is the strong threat.} Qc7 19. Nd5 Bxd5 20. Rxd5 O-O 21. b3 a5 22. Rd1 a4 23. Nc3 axb3 24. axb3 e6 25. Ne4 Qe7 26. Bb2 Rb6 27. Bc3 Rfb8 28. Re1 (28. Ba5 $5 {[%cal Ra5b6]}) 28... Nd7 29. Bxg7 Kxg7 30. Qc3+ f6 31. Re2 e5 32. gxf6+ Nxf6 33. Nxf6 Qxf6 34. Ra2 Kh6 35. Ra7 Ng7 36. Qd3 $36 {[%mdl 2048] White has good play.} Ne6 37. Rf1 Ng7 38. Rb1 Qf5 39. Rd1 Qg5 (39... Rxb3 $15 40. Qe4 (40. Qxd6 Rb1 $15) 40... Qf6) 40. Rda1 ({Better is} 40. Qd5 $16 {aiming for Qf7.} Qf6 41. Rf7) 40... Qf5 41. Qd5 {[#] And now Be4 would win.} Rxb3 $2 {[%mdl 8192]} (41... Ne6 $11 {and Black has nothing to worry.}) 42. Qxd6 $4 {[%mdl 8192]} (42. Be4 $18 Rb1+ 43. Bxb1 Rxb1+ 44. Rxb1 Qxb1+ 45. Kg2) 42... Rb1+ {Black mates.} 43. Rxb1 Rxb1+ 44. Kh2 Qxf2 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "6.2"]
[White "Ordaz Valdes, Lisandra Teresa"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "2393"]
[BlackElo "2114"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,31,46,47,58,55,106,110,109,96,111,94,108,107,118,111,138,90,92,100,94,0,135,134,273,272,266,228,455,440,443,433,401,385,523,527,519,507,934,938,922,918,906,897,838,793]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 Qa5 8. Bd2 a6 9. Nf3 {E74: King's Indian: Averbakh Variation: 6...c5} Qc7 10. O-O b5 (10... Bg4 $14) (10... Bg4 11. Ne1 Bxe2 12. Qxe2 e5 13. a4 Nbd7 14. a5 b6 15. axb6 Qxb6 16. Nd3 Rfb8 {1-0 (25) Kunin,V (2556)-Henrich,T (2240) Schwaebisch Gmuend 2018}) 11. cxb5 $16 {White is better.} axb5 12. Bxb5 Qb7 $146 ({Predecessor:} 12... Ba6 13. Bxa6 Rxa6 14. Qe2 Ra8 {1-0 (57) Yndurain Arrue,J-Riopedre Sierra,A Gijon 2002}) 13. Qe2 (13. a4 {seems wilder.} Bd7 14. Bc4 Na6 15. Re1 e6 16. Bg5) 13... Bd7 14. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Bxb5 15. Nxb5 Na6 16. Rab1 Nc7 17. Nxc7 Qxc7 18. Rfc1 ({Better is} 18. a5 $16) 18... Rfb8 (18... Rxa4 $11 {keeps the balance.} 19. b4 Rb8) 19. a5 Rb3 {[#]} (19... Rxa5 $16 20. Bxa5 Qxa5) 20. Nd4 $1 $18 {[%cal Rd4b3][%mdl 576] Pin} Rb7 (20... cxd4 21. Rxc7) 21. a6 Rbb8 $2 (21... Rb6 22. Ba5 {[%mdl 64] Skewer} Qa7) 22. Nc6 Re8 23. b4 e6 24. bxc5 {aiming for Rb7.} dxc5 25. Rb7 {White is clearly winning.} Qd6 26. e5 {[%mdl 64] Double Attack} exd5 (26... Qxd5 $142 27. exf6 Qxc6 28. fxg7 Rxa6) 27. exd6 Rxe2 28. a7 {Threatens to win with Ne7+.} Ree8 29. d7 Nxd7 30. Rxd7 {Accuracy: White = 61%, Black = 32%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "6.3"]
[White "Wang, Annie"]
[Black "Matras-Clement, Agnieszka"]
[Result "1-0"]
[ECO "D17"]
[WhiteElo "2321"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,119,21,19,26,27,37,25,22,0,0,-14,-11,-7,0,-6,0,-43,-21,-14,-23,-22,0,0,0,-6,14,40,102,106,160,66,85,59,45,47,47,41,50,37,118,118,140,128,114,69,134,119,129,91,125,121,112,112,110,105,112,8,8,8,13,0,11,10,374,336,317,24,24,27,25,32,38,42,56,57,56,56,56,56,56,60,384,367,314,315,349,199,317,143,143,18,18,18,100,100,143,143,168,168,168,143,5923,5597,4686,959]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Na6 7. e3 Nb4 8. Bxc4 e6 9. O-O Bd6 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5} 10. Qe2 h6 11. Bd2 $146 ({Predecessor:} 11. e4 Bh7 12. Rd1 O-O 13. Bf4 Qe7 14. Bg3 Rad8 15. Bh4 g5 16. Bg3 c5 17. dxc5 Bxc5 {½-½ (51) Aronian,L (2805)-Jobava,B (2690) Riadh 2017}) 11... O-O {White has an edge.} 12. Rac1 Qe7 13. e4 Bh7 $1 14. Nf3 {Strongly threatening e5.} Bc7 15. Rcd1 Rfd8 16. Bc1 c5 17. dxc5 Qxc5 18. Be3 Qa5 19. Bd2 Qc5 20. Nb5 Ba5 21. e5 $36 {[%mdl 2048] White is pushing.} Nfd5 (21... Ne4 $14) 22. Nd6 $16 Rab8 (22... Qb6 $142) 23. Bxd5 (23. Nd4 $1 $16 {[%cal Rd4b3]} Qxd4 24. Bxb4) 23... exd5 $14 24. Rc1 Qb6 25. Be3 Qa6 26. Qxa6 bxa6 27. Bxa7 Nd3 (27... Ra8 $1 $14 28. Nb7 Rxa7 29. Nxa5 Nd3) 28. Bxb8 $16 Nxc1 29. Rxc1 Rxb8 30. Rc5 Bd8 ({Better is} 30... Bb6 $14 31. Rxd5 Bc2) 31. h3 ({Much less strong is} 31. Rxd5 $6 Bc2 $14) 31... Be4 32. Rc6 Bb6 33. b4 $1 {And now a5 would win.} Bxf3 34. gxf3 {[%mdl 4096] Endgame KRB-KRN} Bd4 35. f4 $1 Rxb4 {[#]} 36. Rxa6 (36. Rc8+ $1 $16 Kh7 37. Nxf7) 36... Rb2 $1 $11 37. Ra8+ Kh7 38. Kg2 Rxf2+ 39. Kg3 {aiming for Rf8.} Be3 $2 {[%mdl 8192]} (39... h5 $11 {and Black is okay.} 40. Nf5 (40. Nxf7 Kg6 $11) 40... Bc5) 40. f5 $18 Rf1 41. Nxf7 $2 (41. a5 $18) 41... Rxf5 $11 42. e6 Bc5 43. Rc8 Bb4 44. Rb8 Be1+ 45. Kg4 g6 {[%csl Gf5,Gg6][%cal Rh6h5]} 46. Nxh6 $1 Re5 $1 47. Nf7 Re4+ 48. Kf3 {Hoping for Ng5+.} Kg7 $2 {[%mdl 8192]} ({Black should try} 48... Bh4 $1 $14) 49. Ng5 $18 Re5 50. Kf4 Bg3+ 51. Kxg3 Rxg5+ {KR-KR} 52. Kf3 (52. Kf4 $18 Rf5+ 53. Ke3 Re5+ 54. Kd4 Rxe6 55. a5 (55. Kxd5 Re3 $16)) 52... Re5 $16 {[#]} 53. Rb6 (53. Rb7+ $1 $16 Kf6 54. a5 Kxe6 55. Rb6+ Kf5 56. Rb5) 53... d4 $11 54. Rd6 Kf6 (54... Re3+ $11 {remains equal.} 55. Kg4 Rd3) 55. Rxd4 $16 Rxe6 56. Rf4+ Kg5 57. a5 Ra6 58. Ra4 Kh5 $2 {[%mdl 8192]} (58... Kf5 $16 59. h4 Ke5) 59. Ke3 $18 g5 60. Kd3 {Accuracy: White = 39%, Black = 43%.} (60. Ra3 $142 Kh6 61. Kd3) 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "6.4"]
[White "Lujan, Carolina"]
[Black "Hernandez Moya, Yuleisy"]
[Result "*"]
[ECO "C00"]
[WhiteElo "2352"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,25,37,50,35,28,20,57,15,25,25,22,23,27,33,43,25,35,-5]} 1. e4 e6 2. Qe2 e5 3. Nf3 Nc6 4. c3 d6 5. d4 g6 6. Bg5 {C00: French: Unusual White 2nd moves} f6 7. Be3 Bg7 $146 ({Predecessor:} 7... Nh6 8. Qc4 Nf7 9. h4 h5 10. g3 a6 11. Bg2 Bg7 12. O-O {½-½ (38) Morozevich,A (2707)-Zvjaginsev,V (2659) Moscow 2005}) 8. Qd2 (8. Nbd2 {is more complex.} Nh6 9. dxe5 fxe5 10. h3 Nf7 11. Qb5) 8... f5 9. exf5 Bxf5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bc4 c6 13. Na3 *

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "6.4"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Hernandez Moya, Yuleisy"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2011"]
[BlackElo "2199"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Qe2 {[%emt 0:00:07]} e5 {[%emt 0:01:41]} 3. Nf3 {[%emt 0:01:10]} Nc6 {[%emt 0:00:07]} 4. c3 {[%emt 0:00:45]} d6 {[%emt 0:04:11]} 5. d4 {[%emt 0:00:53]} g6 {[%emt 0:00:34]} 6. Bg5 {[%emt 0:02:10]} f6 {[%emt 0:04:06]} 7. Be3 {[%emt 0:00:50]} Bg7 {[%emt 0:00:29]} 8. Qd2 {[%emt 0:07:54]} f5 {[%emt 0:08:42]} 9. exf5 {[%emt 0:12:49]} Bxf5 {[%emt 0:00:22]} 10. dxe5 {[%emt 0:06:16]} Nxe5 {[%emt 0:01:56]} 11. Nxe5 {[%emt 0:06:34]} Bxe5 {[%emt 0:01:28]} 12. Bc4 {[%emt 0:03:11]} c6 {[%emt 0:15:50]} 13. Na3 {[%emt 0:14:35]} d5 {[%emt 0:05:41]} 14. O-O-O {[%emt 0:05:06]} Nf6 {[%emt 0:21:52]} 15. Bd3 {[%emt 0:07:31]} Bxd3 {[%emt 0:17:04]} 16. Qxd3 {[%emt 0:00:08]} Qc7 {[%emt 0:00:31]} 17. g3 {[%emt 0:03:34]} O-O-O {[%emt 0:02:05]} 18. Bxa7 {[%emt 0:05:43]} Bd6 {[%emt 0:07:54]} 19. Bd4 {[%emt 0:07:42]} Rhf8 {[%emt 0:00:06]} 20. Nc2 {[%emt 0:02:53]} Qa5 {[%emt 0:01:37]} 21. Kb1 {[%emt 0:00:30]} Kc7 {[%emt 0:00:05]} 22. Rhe1 {[%emt 0:01:35]} Ra8 {[%emt 0:00:54]} 23. a3 {[%emt 0:00:09]} Nd7 {[%emt 0:01:38]} 24. c4 {[%emt 0:04:16]} c5 {[%emt 0:01:21]} 25. Bc3 {[%emt 0:00:11]} Qa6 {[%emt 0:01:05]} 26. Qxd5 {[%emt 0:00:13]} Rf5 {[%emt 0:00:57]} 27. Ba5+ {[%emt 0:01:21]} Kb8 {[%emt 0:00:43]} 28. Qxd6+ {[%emt 0:02:01]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "6.5"]
[White "Lujan, Carolina"]
[Black "Hernandez Moya, Yuleisy"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2352"]
[BlackElo "2199"]
[Annotator "ChessBase"]
[PlyCount "55"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Qe2 {[%emt 0:00:07]} e5 {[%emt 0:01:41]} 3. Nf3 {[%emt 0:01:10]} Nc6 {[%emt 0:00:07]} 4. c3 {[%emt 0:00:45]} d6 {[%emt 0:04:11]} 5. d4 {[%emt 0:00:53]} g6 {[%emt 0:00:34]} 6. Bg5 {[%emt 0:02:10]} f6 {[%emt 0:04:06]} 7. Be3 {[%emt 0:00:50]} Bg7 {[%emt 0:00:29]} 8. Qd2 {[%emt 0:07:54]} f5 {[%emt 0:08:42]} 9. exf5 {[%emt 0:12:49]} Bxf5 {[%emt 0:00:22]} 10. dxe5 {[%emt 0:06:16]} Nxe5 {[%emt 0:01:56]} 11. Nxe5 {[%emt 0:06:34]} Bxe5 {[%emt 0:01:28]} 12. Bc4 {[%emt 0:03:11]} c6 {[%emt 0:15:50]} 13. Na3 {[%emt 0:14:35]} d5 {[%emt 0:05:41]} 14. O-O-O {[%emt 0:05:06]} Nf6 {[%emt 0:21:52]} 15. Bd3 {[%emt 0:07:31]} Bxd3 {[%emt 0:17:04]} 16. Qxd3 {[%emt 0:00:08]} Qc7 {[%emt 0:00:31]} 17. g3 {[%emt 0:03:34]} O-O-O {[%emt 0:02:05]} 18. Bxa7 {[%emt 0:05:43]} Bd6 {[%emt 0:07:54]} 19. Bd4 {[%emt 0:07:42]} Rhf8 {[%emt 0:00:06]} 20. Nc2 {[%emt 0:02:53]} Qa5 {[%emt 0:01:37]} 21. Kb1 {[%emt 0:00:30]} Kc7 {[%emt 0:00:05]} 22. Rhe1 {[%emt 0:01:35]} Ra8 {[%emt 0:00:54]} 23. a3 {[%emt 0:00:09]} Nd7 {[%emt 0:01:38]} 24. c4 {[%emt 0:04:16]} c5 {[%emt 0:01:21]} 25. Bc3 {[%emt 0:00:11]} Qa6 {[%emt 0:01:05]} 26. Qxd5 {[%emt 0:00:13]} Rf5 {[%emt 0:00:57]} 27. Ba5+ {[%emt 0:01:21]} Kb8 {[%emt 0:00:43]} 28. Qxd6+ {[%emt 0:02:01]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.19"]
[Round "6.5"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Cervantes Landeiro, Thalia"]
[Result "*"]
[ECO "B96"]
[WhiteElo "2011"]
[BlackElo "2118"]
[Annotator "ChessBase"]
[PlyCount "35"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:11:45]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:13]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:16]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 1:19:46]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:05]} 6. Bg5 {[%emt 0:00:28]} e6 {[%emt 0:00:12]} 7. f4 {[%emt 0:01:09]} h6 {[%emt 0:00:31]} 8. Bh4 {[%emt 0:00:11]} Qb6 {[%emt 0:00:11]} 9. a3 {[%emt 0:00:21]} Be7 {[%emt 0:00:20]} 10. Bf2 {[%emt 0:00:46]} Qc7 {[%emt 0:00:13]} 11. Qf3 {[%emt 0:01:00]} Nbd7 {[%emt 0:00:20]} 12. O-O-O {[%emt 0:03:04]} b5 {[%emt 0:00:33]} 13. g4 {[%emt 0:12:18]} Bb7 {[%emt 0:00:19]} 14. Bd3 {[%emt 0:21:52]} Nc5 {[%emt 0:08:39]} 15. g5 {[%emt 0:06:49]} hxg5 {[%emt 0:04:08]} 16. fxg5 {[%emt 0:00:08]} Nfd7 {[%emt 0:01:59]} 17. g6 {[%emt 0:01:00]} fxg6 {[%emt 0:11:56]} 18. Bg3 {[%emt 0:04:11]} *

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "7.1"]
[White "Krush, Irina"]
[Black "Uyanga, Byambaa"]
[Result "1/2-1/2"]
[ECO "E73"]
[WhiteElo "2417"]
[BlackElo "2114"]
[Annotator "NA"]
[PlyCount "48"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[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. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:02]} d6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:09]} O-O {[%emt 0:00:17]} 6. Be3 {[%emt 0:00:08]} e5 {[%emt 0:09:38]} 7. d5 {[%emt 0:00:21]} Nbd7 {[%emt 0:00:28]} 8. g4 {[%emt 0:00:27]} Ne8 {[%emt 0:03:23]} 9. h4 {[%emt 0:01:13]} f5 {[%emt 0:04:53]} 10. exf5 {[%emt 0:01:30]} gxf5 {[%emt 0:00:17]} 11. gxf5 {[%emt 0:00:11]} Nc5 {[%emt 0:02:38]} 12. Nf3 {[%emt 0:02:40]} Bxf5 {[%emt 0:00:36]} 13. h5 {[%emt 0:02:04]} Bf6 {[%emt 0:13:17]} 14. Qd2 {[%emt 0:03:51]} Kh8 {[%emt 0:02:23]} 15. O-O-O {[%emt 0:02:01]} Qd7 {[%emt 0:10:33]} 16. Nh4 {[%emt 0:10:53]} Bxh4 {[%emt 0:01:10]} 17. Rxh4 {[%emt 0:00:10]} Nf6 {[%emt 0:00:38]} 18. f4 {[%emt 0:01:59]} Nfe4 {[%emt 0:10:58]} 19. Nxe4 {[%emt 0:02:18]} Nxe4 {[%emt 0:00:17]} 20. Qe1 {[%emt 0:00:08]} Qa4 {[%emt 0:00:48]} 21. Bd3 {[%emt 0:07:16]} Qxa2 {[%emt 0:01:06]} 22. fxe5 {[%emt 0:34:37]} Qa1+ {[%emt 0:14:57]} 23. Kc2 {[%emt 0:00:31]} Qa4+ {[%emt 0:00:08]} 24. Kc1 {[%emt 0:00:40]} Qa1+ {[%emt 0:00:21]} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "7.2"]
[White "Cervantes Landeiro, Thalia"]
[Black "Lujan, Carolina"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "2118"]
[BlackElo "2352"]
[Annotator "NA"]
[PlyCount "98"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[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]} e6 {[%emt 0:00:04]} 4. e4 {[%emt 0:00:10]} c5 {[%emt 0:00:08]} 5. d5 {[%emt 0:00:34]} d6 {[%emt 0:00:49]} 6. Nc3 {[%emt 0:00:39]} Bg7 {[%emt 0:02:27]} 7. Nge2 {[%emt 0:04:33]} exd5 {[%emt 0:05:08]} 8. cxd5 {[%emt 0:00:10]} O-O {[%emt 0:03:51]} 9. Be3 {[%emt 0:03:09]} Nbd7 {[%emt 0:02:17]} 10. Ng3 {[%emt 0:01:45]} h5 {[%emt 0:08:13]} 11. Be2 {[%emt 0:05:41]} Re8 {[%emt 0:04:55]} 12. O-O {[%emt 0:06:02]} a6 {[%emt 0:09:40]} 13. a4 {[%emt 0:00:43]} b6 {[%emt 0:00:32]} 14. Nh1 {[%emt 0:05:22]} Bb7 {[%emt 0:14:40]} 15. Qd2 {[%emt 0:04:06]} Rc8 {[%emt 0:01:13]} 16. b3 {[%emt 0:07:49]} Nh7 {[%emt 0:05:15]} 17. Rac1 {[%emt 0:08:58]} Qe7 {[%emt 0:02:32]} 18. Nf2 {[%emt 0:05:41]} f5 {[%emt 0:08:20]} 19. Bh6 {[%emt 0:04:29]} Bd4 {[%emt 0:07:47]} 20. exf5 {[%emt 0:07:33]} gxf5 {[%emt 0:00:19]} 21. Bd3 {[%emt 0:01:26]} Qf6 {[%emt 0:01:36]} 22. Ne2 {[%emt 0:02:23]} Be5 {[%emt 0:01:39]} 23. Bf4 {[%emt 0:02:11]} h4 {[%emt 0:01:47]} 24. Qc2 {[%emt 0:03:01]} Bxd5 {[%emt 0:08:12]} 25. Bxf5 {[%emt 0:01:10]} Qg7 {[%emt 0:02:23]} 26. Bh6 {[%emt 0:05:45]} Qxh6 {[%emt 0:02:06]} 27. Bxd7 {[%emt 0:00:13]} Qg7 {[%emt 0:02:56]} 28. Bxc8 {[%emt 0:01:13]} Rxc8 {[%emt 0:02:14]} 29. Qd3 {[%emt 0:01:37]} Be6 {[%emt 0:01:25]} 30. f4 {[%emt 0:01:13]} Bb2 {[%emt 0:00:51]} 31. Qxd6 {[%emt 0:01:57]} Bxb3 {[%emt 0:00:14]} 32. Rb1 {[%emt 0:01:41]} Bc4 {[%emt 0:00:13]} 33. Kh1 {[%emt 0:03:24]} Re8 {[%emt 0:00:13]} 34. Ng1 {[%emt 0:06:40]} Bxf1 {[%emt 0:00:20]} 35. Rxf1 {[%emt 0:00:02]} c4 {[%emt 0:00:54]} 36. Qc6 {[%emt 0:00:46]} Qf7 {[%emt 0:00:33]} 37. Qxb6 {[%emt 0:01:02]} c3 {[%emt 0:00:12]} 38. Nd3 {[%emt 0:01:46]} Qe6 {[%emt 0:01:06]} 39. Qb4 {[%emt 0:00:31]} Qe4 {[%emt 0:00:33]} 40. Qb3+ {[%emt 0:00:12]} Qe6 {[%emt 0:00:05]} 41. Qc2 {[%emt 0:00:43]} Rb8 {[%emt 0:00:51]} 42. Ne5 {[%emt 0:01:24]} Nf8 {[%emt 0:01:34]} 43. Ne2 {[%emt 0:01:29]} h3 {[%emt 0:00:33]} 44. Nxc3 {[%emt 0:01:31]} Bxc3 {[%emt 0:00:46]} 45. Qxc3 {[%emt 0:00:03]} hxg2+ {[%emt 0:00:02]} 46. Kxg2 {[%emt 0:00:05]} Qd5+ {[%emt 0:00:25]} 47. Qf3 {[%emt 0:01:04]} Rb2+ {[%emt 0:00:11]} 48. Kh3 {[%emt 0:00:33]} Rb3 {[%emt 0:00:33]} 49. Rg1+ {[%emt 0:00:34]} Kh7 {[%emt 0:00:09]} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "7.3"]
[White "Hernandez Moya, Yuleisy"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2199"]
[BlackElo "2321"]
[Annotator "NA"]
[PlyCount "62"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:00:11]} 4. O-O {[%emt 0:00:00]} Ngf6 {[%emt 0:01:17]} 5. Re1 {[%emt 0:00:02]} a6 {[%emt 0:00:37]} 6. Bf1 {[%emt 0:00:15]} e6 {[%emt 0:01:36]} 7. c3 {[%emt 0:01:48]} Be7 {[%emt 0:01:02]} 8. d4 {[%emt 0:00:31]} cxd4 {[%emt 0:01:50]} 9. cxd4 {[%emt 0:00:11]} O-O {[%emt 0:00:34]} 10. Nc3 {[%emt 0:04:48]} b5 {[%emt 0:04:03]} 11. e5 {[%emt 0:09:51]} Ne8 {[%emt 0:01:55]} 12. Ne4 {[%emt 0:03:15]} Bb7 {[%emt 0:03:18]} 13. Qd3 {[%emt 0:17:48]} dxe5 {[%emt 0:05:01]} 14. dxe5 {[%emt 0:00:34]} Nc5 {[%emt 0:02:06]} 15. Nxc5 {[%emt 0:01:08]} Bxc5 {[%emt 0:00:09]} 16. Ng5 {[%emt 0:01:21]} Qxd3 {[%emt 0:01:19]} 17. Bxd3 {[%emt 0:00:07]} g6 {[%emt 0:00:57]} 18. Be3 {[%emt 0:05:26]} Bb4 {[%emt 0:04:38]} 19. Red1 {[%emt 0:04:35]} Nc7 {[%emt 0:03:31]} 20. Ne4 {[%emt 0:04:50]} Nd5 {[%emt 0:02:10]} 21. Bc5 {[%emt 0:00:15]} Rfd8 {[%emt 0:02:47]} 22. g3 {[%emt 0:13:46]} Bxc5 {[%emt 0:07:09]} 23. Nxc5 {[%emt 0:00:21]} Bc6 {[%emt 0:03:13]} 24. Be4 {[%emt 0:04:59]} a5 {[%emt 0:03:11]} 25. Rac1 {[%emt 0:01:48]} Rdc8 {[%emt 0:01:53]} 26. Nb3 {[%emt 0:06:53]} Nb4 {[%emt 0:07:31]} 27. Bxc6 {[%emt 0:00:50]} Rxc6 {[%emt 0:01:07]} 28. Rxc6 {[%emt 0:01:26]} Nxc6 {[%emt 0:00:08]} 29. f4 {[%emt 0:00:11]} Nb4 {[%emt 0:03:28]} 30. a3 {[%emt 0:00:11]} Nd5 {[%emt 0:01:34]} 31. Kf2 {[%emt 0:00:16]} Nxf4 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "7.4"]
[White "Matras-Clement, Agnieszka"]
[Black "Belakovskaia, Anjelina"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2260"]
[BlackElo "2191"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. exd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:46]} Nxd5 {[%emt 0:00:00]} 4. Be2 {[%emt 0:00:10]} g6 {[%emt 0:01:07]} 5. Nf3 {[%emt 1:31:34]} Bg7 {[%emt 0:00:23]} 6. O-O {[%emt 0:00:00]} O-O {[%emt 0:03:08]} 7. c4 {[%emt 0:00:00]} Nb6 {[%emt 0:00:06]} 8. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:10:20]} 9. d5 {[%emt 0:00:00]} Na5 {[%emt 0:04:08]} 10. c5 {[%emt 0:00:00]} Nd7 {[%emt 0:20:31]} 11. Bd2 {[%emt 0:00:00]} c6 {[%emt 0:02:12]} 12. b4 {[%emt 0:00:00]} cxd5 {[%emt 0:00:21]} 13. bxa5 {[%emt 0:00:00]} Nxc5 {[%emt 0:00:14]} 14. Rc1 {[%emt 0:00:00]} d4 {[%emt 0:10:42]} 15. Nb5 {[%emt 0:00:00]} b6 {[%emt 0:00:07]} 16. axb6 {[%emt 0:00:00]} axb6 {[%emt 0:00:08]} 17. Bc4 {[%emt 0:00:00]} e5 {[%emt 0:06:23]} 18. Re1 {[%emt 0:00:00]} Bg4 {[%emt 0:16:18]} 19. h3 {[%emt 0:00:00]} Bxf3 {[%emt 0:00:04]} 20. Qxf3 {[%emt 0:00:00]} Kh8 {[%emt 0:00:59]} 21. Bb4 {[%emt 0:00:00]} f5 {[%emt 0:00:20]} 22. Rcd1 {[%emt 0:00:00]} Qf6 {[%emt 0:06:06]} 23. Bxc5 {[%emt 0:00:00]} bxc5 {[%emt 0:00:01]} 24. Qd5 {[%emt 0:00:00]} Rac8 {[%emt 0:04:19]} 25. Nd6 {[%emt 0:00:00]} Rc7 {[%emt 0:00:01]} 26. Rb1 {[%emt 0:00:00]} h5 {[%emt 0:03:03]} 27. Rb6 {[%emt 0:00:00]} Kh7 {[%emt 0:12:29]} 28. Reb1 {[%emt 0:00:00]} Qg5 {[%emt 0:00:00]} 29. Rb8 {[%emt 0:00:00]} Rxb8 {[%emt 0:00:00]} 30. Rxb8 {[%emt 0:00:00]} Qc1+ {[%emt 0:00:00]} 31. Bf1 {[%emt 0:00:00]} e4 {[%emt 0:00:00]} 32. Nxf5 {[%emt 0:00:00]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "7.5"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Ordaz Valdes, Lisandra Teresa"]
[Result "1-0"]
[ECO "C52"]
[WhiteElo "2011"]
[BlackElo "2393"]
[Annotator "NA"]
[PlyCount "99"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:07]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:17]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:52]} Bc5 {[%emt 0:00:00]} 4. b4 {[%emt 0:00:37]} Bxb4 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:01]} Ba5 {[%emt 0:00:06]} 6. d4 {[%emt 0:00:18]} d6 {[%emt 0:00:17]} 7. Qb3 {[%emt 0:16:08]} Qd7 {[%emt 0:07:20]} 8. dxe5 {[%emt 0:19:53]} Bb6 {[%emt 0:09:42]} 9. Bb5 {[%emt 0:21:18]} Nge7 {[%emt 0:08:28]} 10. O-O {[%emt 0:02:15]} O-O {[%emt 0:01:57]} 11. Ba3 {[%emt 0:04:56]} Ng6 {[%emt 0:07:14]} 12. exd6 {[%emt 0:13:02]} Nf4 {[%emt 0:11:19]} 13. Bxc6 {[%emt 0:14:53]} Qg4 {[%emt 0:14:00]} 14. Ne1 {[%emt 0:00:16]} bxc6 {[%emt 0:00:07]} 15. Nd2 {[%emt 0:00:51]} Be6 {[%emt 0:13:33]} 16. c4 {[%emt 0:00:19]} Bd4 {[%emt 0:02:02]} 17. Rd1 {[%emt 0:00:23]} Nh3+ {[%emt 0:02:03]} 18. Qxh3 {[%emt 0:00:34]} Qxd1 {[%emt 0:00:05]} 19. Qd3 {[%emt 0:00:10]} c5 {[%emt 0:06:56]} 20. Nef3 {[%emt 0:01:13]} Qa4 {[%emt 0:00:17]} 21. Nxd4 {[%emt 0:00:33]} cxd4 {[%emt 0:00:05]} 22. dxc7 {[%emt 0:01:04]} Rfc8 {[%emt 0:01:33]} 23. Bd6 {[%emt 0:00:00]} Qxa2 {[%emt 0:01:16]} 24. Qxd4 {[%emt 0:00:00]} a5 {[%emt 0:00:15]} 25. Qc3 {[%emt 0:00:49]} Qa4 {[%emt 0:00:10]} 26. e5 {[%emt 0:00:38]} Qc6 {[%emt 0:00:19]} 27. Ra1 {[%emt 0:00:26]} a4 {[%emt 0:00:15]} 28. h3 {[%emt 0:00:27]} Bd5 {[%emt 0:02:52]} 29. Qg3 {[%emt 0:00:36]} Be6 {[%emt 0:00:45]} 30. Qd3 {[%emt 0:00:28]} Rxc7 {[%emt 0:03:27]} 31. Bxc7 {[%emt 0:00:27]} Qxc7 {[%emt 0:00:01]} 32. Qd6 {[%emt 0:00:30]} Qa5 {[%emt 0:00:05]} 33. Nb3 {[%emt 0:00:35]} Qa6 {[%emt 0:05:11]} 34. Qxa6 {[%emt 0:00:30]} Rxa6 {[%emt 0:00:01]} 35. Nc5 {[%emt 0:00:05]} Ra5 {[%emt 0:00:03]} 36. Nxe6 {[%emt 0:00:51]} fxe6 {[%emt 0:00:01]} 37. f4 {[%emt 0:00:00]} Kf7 {[%emt 0:02:23]} 38. Ra3 {[%emt 0:00:29]} Ke7 {[%emt 0:00:12]} 39. Kf2 {[%emt 0:00:07]} Kd7 {[%emt 0:00:18]} 40. Ke3 {[%emt 0:00:06]} Kc6 {[%emt 0:01:02]} 41. Kd4 {[%emt 0:00:02]} Ra7 {[%emt 0:00:40]} 42. g4 {[%emt 0:00:29]} g6 {[%emt 0:00:04]} 43. h4 {[%emt 0:01:06]} h5 {[%emt 0:00:14]} 44. gxh5 {[%emt 0:01:36]} gxh5 {[%emt 0:00:02]} 45. Ke4 {[%emt 0:00:39]} Kc5 {[%emt 0:00:34]} 46. f5 {[%emt 0:00:10]} Kb4 {[%emt 0:04:01]} 47. Ra1 {[%emt 0:00:04]} exf5+ {[%emt 0:00:52]} 48. Kxf5 {[%emt 0:00:02]} Kxc4 {[%emt 0:00:47]} 49. e6 {[%emt 0:00:18]} Kd5 {[%emt 0:00:25]} 50. Rd1+ {[%emt 0:00:06]} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "8.1"]
[White "Belakovskaia, Anjelina"]
[Black "Hernandez Moya, Yuleisy"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "2191"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,24,23,33,78,67,106,86,110,33,46,36,24,-50,-38,-56,-45,-41,-38,-25,-13,-3,-25,-26,0,-22,0,-6,-6,-18,-16,-121,-18,-45,-37,-60,-66,-25,0,0,0,-27,-29,-31,-17,-31,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. c4 g6 3. Nc3 Nf6 4. h4 h6 (4... Bg7 5. h5 e6 6. hxg6 hxg6 7. Rxh8+ Bxh8 8. Nh3 Qe7 9. Bg5 Qf7 10. g3 d5 11. Bg2 c6 12. Qb3 Nbd7 13. O-O-O {1-0 (24) Mamedyarov,S (2768)-Lu,S (2627) Doha 2016}) 5. h5 g5 $1 6. e4 {A85: Dutch Defence: 2 c4 Nf6 3 Nc3} d6 7. Bd3 e6 8. Nge2 {White is better.} Nc6 9. d5 $146 ({White should try} 9. f4 $16) ({Predecessor:} 9. a3 Bg7 10. Qc2 fxe4 11. Nxe4 Nxe4 12. Bxe4 O-O 13. Be3 d5 14. Bf3 Ne7 15. Ng3 c6 16. Qd3 Nf5 17. Ne2 {½-½ (17) Gerola,P (2026)-Glinz,G Buenos Aires 1999}) 9... Ne5 10. exf5 exf5 11. Ng3 (11. f4 $11 Nxd3+ 12. Qxd3) 11... f4 $15 12. Nf5 Nxd3+ 13. Qxd3 Qd7 14. Nd4 Qh7 $36 {[%mdl 2048] Black has the initiative.} 15. Qe2+ $1 Qe7 16. Ne6 {[#] Nxc7+ is the strong threat.} Bxe6 (16... Kf7 {seems wilder.} 17. Nb5 Bxe6 18. dxe6+ Kg8 19. O-O Rh7) 17. dxe6 c6 18. b4 Bg7 {Threatens to win with ...Ne4!} 19. Bb2 O-O 20. O-O (20. O-O-O $1 $11 {was the only way to keep the balance.}) 20... Ne8 (20... g4 $17 {Hoping for ...f3.} 21. g3 f3) 21. Rfe1 Rf5 22. Qe4 Re5 $1 {[%cal Re5e4]} 23. Qg6 Nf6 24. Rxe5 dxe5 25. Ne4 Nxe4 26. Qxe4 Qxe6 27. Rd1 Qe7 28. c5 {The position is equal.} Rd8 29. Rxd8+ Qxd8 30. Qg6 Qe7 31. f3 Qf7 {[#] Strongly threatening ...Qxg6.} 32. Qd6 Qxa2 33. Bxe5 Qf7 34. Bxg7 Kxg7 $11 {KQ-KQ} 35. Qd4+ Kh7 36. Qd3+ Kg8 37. Qd8+ Kg7 38. Qd4+ Kh7 39. Qd3+ Kg8 {Accuracy: White = 48%, Black = 41%.} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "8.2"]
[White "Uyanga, Byambaa"]
[Black "Matras-Clement, Agnieszka"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2114"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,24,33,24,35,1,17,25,31,-12,46,37,56,60,60,60,58,58,49,52,59,55,53,52,72,59,50,35,34,0,0,0,0,-36,-29,-51,-24,-31,-26,-23,0,-47,-25,-62,-59,-67,-77,-60,-25,-22,0,0,88,76,136,174,174,159,486,140,215,169,183,156,519,519,855,817,1056,1015,1380,822,1423,1382,1393,1283,29980,29981,29982,29981,29979,29956,3630,2933,29989,29990,29990,29991,29992,29993]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. dxc5 Bg4 6. c3 {B12: Caro-Kann: Advance Variation} e6 7. b4 Nge7 8. Nbd2 {The position is equal.} Ng6 9. Qa4 Bxf3 (9... Be7 $1 $11) 10. Nxf3 $14 ({Don't play} 10. gxf3 a5 $11) 10... Qc7 11. Be3 $146 ({Predecessor:} 11. Bb5 Ngxe5 12. Nd4 a6 13. Bf4 Ke7 {0-1 (63) Ponomariov,R (2737)-Khenkin,I (2597) Dagomys 2010}) 11... Ngxe5 12. Nxe5 Qxe5 13. Rc1 Be7 14. b5 Nd8 {With the idea ...Bxc5.} 15. Be2 O-O 16. O-O f5 17. Rfe1 (17. Qd4 $5 {[%cal Rd4e5]} Nf7 18. Qxe5 Nxe5 19. c4 $14) 17... Nf7 18. Bf3 Qc7 19. c4 d4 $1 {[%cal Rd4e3]} 20. Bxd4 {[#] Strongly threatening c6.} e5 21. Bb2 {Threatens to win with Bd5.} e4 22. Bh5 Bxc5 23. Bxf7+ Rxf7 24. Rcd1 Re8 25. Qc2 Rfe7 26. Qd2 Kh8 {aiming for ...e3!} 27. Qd5 f4 28. Bd4 Bb4 29. Re2 f3 30. gxf3 {[%cal Re2e4]} Qf4 (30... Rd8 $11 {remains equal.} 31. Qf5 Qxc4) 31. Qh5 $16 Qxf3 (31... b6 $142) 32. Qxf3 exf3 33. Rxe7 Rxe7 $2 {[#]} (33... Bxe7 $16 {is tougher.} 34. Bxa7 Bf6) 34. Bxa7 $2 {[%mdl 4096] Endgame KRB-KRB} (34. Bc3 $1 $18 {[%mdl 512] is more deadly. Intending Rd8+ and mate.} Kg8 (34... Bxc3 35. Rd8+) 35. Bxb4) 34... g5 (34... Kg8 $16) 35. h3 $18 Re2 36. Rd7 Re1+ $2 (36... h5 $16 {is more resistant.}) 37. Kh2 Ba5 (37... Re7 $142) 38. Rxb7 Bd2 39. Kg3 Rh1 40. Bd4+ Kg8 41. c5 Bf4+ 42. Kxf3 Rxh3+ 43. Ke4 Rh1 44. c6 Rc1 45. Rg7+ Kf8 46. Rxh7 Ke8 47. Kd5 {White mates.} Kd8 48. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rc2 49. b7 {Accuracy: White = 58%, Black = 37%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.20"]
[Round "8.3"]
[White "Ordaz Valdes, Lisandra Teresa"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2393"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,116,0,0,0,0,0,0,0,0,0,0,0,0,-10,-10,-83,-81,-80,-58,-60,-17,-6,-29,-19,-19,-14,-14,-87,-75,-81,-75,-83,-77,-88,-74,-82,-72,-105,-74,-74,-54,-60,-61,-53,-60,-102,-97,-118,-125,-137,-131,-138,-116,-116,-116,-121,-107,-112,-110,-110,-110,-111,-105,-95,0,-110,-108,-122,-104,-120,-117,-113,-119,-135,-118,-118,-108,-118,-125,-121,-114,-116,-116,-130,-129,-127,-127,-176,-188,-206,-155,-210,-194,-316,-312,-305,-297,-276,-250,-761,-761,-29979,-29980,-29980,-29981,-29981,-29982]} 1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 a5 7. Bb2 {A21: English Opening: 1...e5 2 Nc3} a4 8. Rd1 axb3 9. axb3 {The position is equal.} g6 (9... Be7 10. e4 O-O 11. Bd3 Nd7 12. Nd5 Nc5 13. Qc3 Bf6 14. Nxf6+ Qxf6 15. Qxf6 gxf6 16. Bxf6 {½-½ (43) Inarkiev,E (2693)-Najer,E (2670) Moscow 2018}) 10. g3 Bg7 11. Bg2 O-O 12. Nh3 Nd7 $146 {next ...Nc5 is good for Black.} ({Predecessor:} 12... Bf5 13. O-O Re8 14. Rfe1 Nd7 {½-½ (74) Eden,J (2196)-Aubry,Y (2218) Montbeliard 2014}) 13. Ra1 (13. Na4 $11) 13... Rxa1+ $17 14. Bxa1 Nc5 $36 {[%mdl 2048] White is under pressure.} 15. Qd1 Na5 16. b4 {[%mdl 64] Double Attack} Ncb3 17. Bb2 {Threatens to win with Nf4.} Nxc4 {White must now prevent ...Nbd2.} 18. Qxb3 Nxb2 19. Qxb2 (19. Nf4 $11 {keeps the balance.} Bxc3+ 20. Qxc3) 19... Qf6 20. O-O {And now Rc1 would win.} Qxc3 21. Qxc3 Bxc3 22. Rc1 Bxb4 {Hoping for ...c6.} 23. Rxc7 Ba5 24. Rc1 Bg4 25. Ra1 b6 26. e3 Rc8 27. Nf4 Kg7 28. Nd5 Rc5 29. e4 Be6 30. Bf3 Rc2 31. Rb1 Bxd5 32. exd5 {[%mdl 4096] Endgame KRB-KRB} Kf6 33. Kf1 Bc3 34. Bd1 Rd2 35. Be2 Ba5 36. Bf3 Ra2 37. Rb3 Rd2 38. Rb1 $1 Rc2 39. Bd1 Ra2 40. Bb3 Rd2 41. Bc4 Rd4 42. Bb3 Bb4 43. Rd1 Re4 44. Bc2 Rc4 45. Bd3 Rc3 46. Ke2 Ra3 47. Rc1 Bc5 48. f4 h5 49. h3 {[#]} b5 $1 {[%mdl 512]} 50. g4 (50. Bxb5 Re3+) 50... h4 51. g5+ (51. Rf1 $17) 51... Kg7 $19 52. Bxb5 (52. Kd2 $142) 52... Rxh3 53. Rf1 Re3+ 54. Kd2 h3 55. f5 $2 (55. Rh1) 55... gxf5 56. Bd3 {[#]} Rxd3+ $1 {Black mates.} 57. Kxd3 h2 58. Rh1 Bg1 {Accuracy: White = 54%, Black = 86%.} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "8.4"]
[White "Wang, Annie"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "D22"]
[WhiteElo "2321"]
[BlackElo "2118"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,142,34,32,41,58,41,38,36,31,29,29,32,46,32,41,32,41,17,32,32,25,20,29,22,52,12,29,18,20,9,32,29,37,30,26,23,37,37,50,24,31,0,47,20,20,21,21,13,116,111,123,110,145,47,35,25,34,22,33,12,40,17,30,-12,51,28,68,68,123,131,116,61,74,46,72,47,90,85,85,85,85,77,91,87,93,91,115,87,87,99,223,229,228,218,232,227,249,250,252,242,358,262,277,214,241,229,238,238,366,389,581,564,1616,1563,1350,869,2295,1913,3724,2938,29967,29963,29969,29968,29974,29978,29978,29979,29991,29992,29997,29998,29999]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 Bg4 5. h3 Bh5 6. Bxc4 e6 7. O-O {D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3} (7. Nc3 Nc6 8. O-O Nf6 9. b3 Bd6 10. Bb2 O-O 11. Be2 Qe7 12. Rc1 Rad8 13. Ne5 Nxe5 14. Bxh5 Ng6 15. Bxg6 hxg6 16. Qf3 c6 17. Rfd1 e5 18. dxe5 Bxe5 19. Rxd8 Rxd8 20. Rd1 b5 {½-½ (62) Giri,A (2785)-Carlsen,M (2855) Bilbao 2016}) 7... Nc6 8. Nbd2 Nf6 9. Be2 {White is slightly better.} Bd6 10. b3 O-O 11. Bb2 Qe7 12. Rc1 Rfd8 13. Nc4 Rac8 14. Nfe5 $146 (14. a3 {is interesting.} Nd5 15. Bd3 Qf6 16. Ncd2 Qh6 17. Re1) ({Predecessor:} 14. Nfd2 Bxe2 15. Qxe2 {0-1 (33) Bazeev,G (2416)-Alekseenko,K (2638) St Petersburg 2018}) 14... Bxe5 15. Bxh5 Nxh5 16. Qxh5 Bf6 17. Qf3 Rd7 18. Nd2 Qf8 19. Ne4 Be7 20. Ng3 Rcd8 21. Nh5 {d5 is the strong threat.} Rd5 22. Nf4 R5d7 23. Nd3 Rd5 24. Rc4 h6 25. Nf4 R5d7 26. Qg4 Bg5 27. Nh5 (27. Nd3 $5 {[%cal Rd3c5]}) 27... f5 28. Qf3 Qf7 29. Nf4 Bf6 (29... Bxf4 $11 {remains equal.} 30. Qxf4 g5) 30. Nd3 $1 $16 Rd5 31. Nc5 Na5 {[#]} 32. Rc2 ({Only move:} 32. Ra4 $1 $16) 32... Be7 $14 33. Nd3 Nc6 34. Nf4 R5d7 35. Rcc1 Bf8 36. Rfd1 Be7 37. a3 Bf6 ({Better is} 37... Bd6 $11) 38. b4 Qe8 39. Nd3 Rd5 (39... Be7 $14) 40. Nc5 $16 Rb8 41. Qf4 (41. Re1 $16) 41... Rd6 $14 42. Ba1 Ne7 43. Qg3 Qg6 44. Qf3 c6 45. Qf4 Rdd8 46. Nxe6 Nd5 47. Qf3 Re8 48. Nf4 Nxf4 49. Qxf4 (49. exf4 {with more complications.} Re4 50. d5 Bxa1 51. Rxa1 Rd8 52. dxc6 Rxd1+ 53. Qxd1 Qxc6 54. Rc1) 49... Bg5 50. Qf3 Rf8 (50... Re4 $16) 51. d5 $18 {[%cal Rd5c6]} f4 {[#] Strongly threatening ...fxe3.} 52. e4 $1 ({Not} 52. dxc6 fxe3 53. c7 Rbe8 $14) 52... cxd5 53. exd5 Qd6 54. Bd4 {And now Bc5 would win.} Rfd8 55. Bc5 Qe5 (55... Qg6 $142 56. d6 Rd7) 56. Re1 Qf5 57. Rcd1 {[%cal Bc1d1,Bd1d5,Bd5f5][%mdl 32]} Rd7 58. d6 b6 59. Rd5 Qf8 (59... Qf7 $142 60. Bd4 Rbd8) 60. Qg4 Qf7 (60... Rf7 {was worth a try.} 61. Bd4 Qc8) 61. Rf5 Qg6 62. Rxg5 {[%mdl 64] Discovered Attack} Qxg5 63. Qxd7 bxc5 64. bxc5 {[%mdl 4096] Endgame KQR-KQR} f3 65. Qg4 Qxc5 66. d7 {White mates.} Qc6 67. gxf3 Rd8 68. Re7 {[%csl Ge7][%cal Rg4g7]} Qf6 69. Re8+ Kf7 70. Qh5+ g6 71. Qd5+ Kg7 72. Qg8# {Accuracy: White = 55%, Black = 33%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "8.5"]
[White "Lujan, Carolina"]
[Black "Saikhanchimeg, Tsogtsaikhan"]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "2352"]
[BlackElo "2011"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,130,5,39,37,74,45,51,27,59,0,72,74,81,6,82,9,40,1,47,6,64,48,70,0,74,72,77,61,57,71,60,72,60,0,0,0,0,-2,45,35,31,34,42,47,67,16,24,0,0,0,0,-14,-14,-199,-201,-204,-120,-100,-8,-31,-16,-253,-235,-225,-241,-256,-227,-440,-375,-423,-212,-252,-234,-238,-238,-225,-237,-332,554,537,554,554,554,554,554,547,543,405,547,541,565,464,440,427,588,535,774,762,1236,1137,29973,409,732,661,29981,29981,29997,29998,29998,29999,29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 d6 7. Be2 Be7 8. O-O Bd7 9. Be3 Nc6 10. Rc1 O-O 11. Kh1 Rc8 12. f3 {B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines} (12. Nb3 Ne5 13. Nd2 Bc6 14. f4 Ned7 15. b4 b6 16. Bd3 Bb7 17. a3 Rc7 18. Qe2 Qa8 19. Bg1 Rfc8 {1-0 (44) Svidler,P (2672)-Podzielny,K (2506) Frankfurt 2000}) 12... Kh8 $146 ({Predecessor:} 12... Ne5 13. b3 Qa5 14. f4 Ng6 15. Qe1 b5 16. b4 Qxb4 17. f5 Ne5 18. Nd5 Nxd5 19. exd5 Qxe1 20. Rfxe1 bxc4 21. fxe6 fxe6 22. Nxe6 Bxe6 23. dxe6 {½-½ (61) Strzemiecki,Z (2314)-Smola,M (2231) Chotowa 2009}) 13. b3 Qa5 14. Qe1 {White is slightly better.} Rg8 15. a3 (15. Nc2 $14) 15... Ne5 (15... Nxd4 $11 16. Bxd4 Qxa3) 16. f4 $16 Ng6 17. a4 (17. b4 $16 Qc7 18. g4) 17... Rb8 (17... e5 $11) 18. Qg3 (18. Nc2 $16) 18... Rge8 19. Bd2 Qb6 20. Qd3 Qc5 (20... e5 $11 21. fxe5 Nxe5) 21. Be3 Qa5 22. Bd2 Qc5 $1 23. Nc2 Rbc8 24. b4 Qc7 25. a5 b6 26. axb6 Qxb6 27. Be3 ({Better is} 27. g3 $14) 27... Qb7 $11 28. b5 axb5 29. cxb5 d5 {[%cal Rd5e4]} 30. e5 Ne4 31. Nxe4 dxe4 32. Qb3 Nh4 33. Nd4 (33. Ra1 $14 Nf5 34. Ba7) 33... Bc5 {And now ...Bxd4 would win.} 34. Nc2 Nf5 35. Bxc5 Rxc5 36. Qa3 Rec8 37. Nb4 $2 {[#]} (37. Ne3 $11 Rxc1 38. Rxc1) 37... Rxc1 $1 $19 ({Not} 37... Bxb5 38. Rxc5 Rxc5 39. Na2 $15) 38. Rxc1 Ra8 $36 {[%mdl 2048] Black is in control.} (38... Nd4 $19 39. Rxc8+ Qxc8) 39. Qc3 $17 h6 (39... Bxb5 $17 40. Bxb5 Qxb5 41. Qc8+ {[%mdl 64] Double Attack} Qe8 42. Qxe8+ Rxe8) 40. Nc6 Rc8 41. Qa3 $2 (41. Qc5 $11 {and White is okay.}) 41... Bxc6 $19 42. bxc6 Rxc6 43. Ra1 Rb6 {Hoping for ...Rb1+.} 44. Qc1 $2 (44. Qa8+ Qxa8 45. Rxa8+ Kh7 46. Ra1) 44... Kh7 45. Bg4 Nd4 (45... Rb2 $142 {White must now prevent ...Nh4.} 46. Qe1 e3) 46. Qd1 Nb3 47. Rb1 Nc5 48. Rxb6 Qxb6 49. Qe1 (49. Qd4 $142) 49... Nd3 $4 {[%mdl 8192]} (49... g6 $19 {and life is good for Black. Threatens to win with ...Nd3!} 50. Qg1 Qb4) 50. Qxe4+ $18 {[%mdl 64] [#] Double Attack} g6 51. Qxd3 Qf2 {( -> ...Qe1+)} 52. g3 Kg7 53. Qe2 Qd4 54. Kg2 Qa1 55. Bf3 Qc3 56. Qe4 Qd2+ 57. Be2 Qb2 58. g4 Qd2 59. h4 Qe1 60. h5 gxh5 61. gxh5 (61. f5 $142 Qd2 62. f6+ Kg8 63. gxh5 Qa2 64. Qg4+ Kf8 65. Qg7+ {[%mdl 64] Double Attack} Ke8 66. Qg8+ Kd7 67. Qxf7+ Kc6 68. Kf2) 61... Qh4 (61... Qc1 $142 62. Kf2 Qc5+ 63. Qe3 Qb4) 62. Qf3 Kf8 63. Qa3+ {White mates.} Ke8 64. Bb5+ Kd8 65. Qd6+ Kc8 66. Ba6# {Accuracy: White = 40%, Black = 24%.} 1-0

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "9.1"]
[White "Saikhanchimeg, Tsogtsaikhan"]
[Black "Wang, Annie"]
[Result "0-1"]
[ECO "B68"]
[WhiteElo "2011"]
[BlackElo "2321"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,100,18,17,12,24,10,8,38,18,40,17,54,0,0,-41,0,0,0,-343,156,-98,-116,-184,-202,-182,31,-219,-206,-278,-262,-271,-261,-467,-401,-508,-486,-996,-499,-506,-496,-494,-505,-498,-483,-587,-581,-704,-706,-742,-670,-740,-740,-707,-709,-809,-664,-806,-805,-799,-776,-752,-745,-719,-676,-770,-787,-1257,-818,-1460,-1414,-1299,-1222,-1204,-1180,-29986,-887]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. e5 b4 12. exf6 bxc3 13. Qxc3 gxf6 14. Bh4 a5 {B68: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7} (14... d5 15. Kb1 Rb8 16. a3 Rg8 17. Bxa6 Qb6 18. Bf1 Ra8 19. Qb3 Qa7 20. Qc3 Rb8 21. Rd3 Na5 22. Nd2 Nc4 23. Nxc4 dxc4 24. Rxd7 Qxd7 25. Bxc4 {1-0 (38) Inarkiev,E (2692)-Gupta,A (2602) Sharjah 2019}) 15. Kb1 Rc8 16. Qe3 Rb8 {The position is equal.} 17. a3 d5 $146 ({Predecessor:} 17... a4 18. Be2 d5 19. Ka1 Rg8 20. Rhg1 Qa5 21. Qc1 Qb6 22. f5 Na5 23. fxe6 fxe6 24. g4 Rc8 25. Qd2 Nc4 26. Bxc4 Rxc4 27. g5 Bxa3 28. c3 Rf4 29. gxf6 {½-½ (29) Kazoks,A (2336)-Liskevich,V (2428) ICCF email 2009}) 18. Ka1 Qc7 19. g4 (19. Be1 $14) 19... O-O 20. f5 Qb7 {[%csl Gb8][%cal Rb7b2]} (20... Nb4 $5 21. axb4 axb4 $11) 21. Rb1 {Strongly threatening Bd3.} d4 ({Don't blunder} 21... exf5 $2 22. Bd3 $18) 22. Qd3 $2 {[%mdl 8192] [#]} (22. Qh6 $11 {and White stays safe.} Nb4 23. Bd3 Nxd3 24. Bxf6 {[%mdl 64] Remove Defender} Bxf6 25. Ng5 Bxg5 26. Qxg5+ Kh8 27. Qf6+ {[%mdl 64] Double Attack} Kg8 28. Qg5+ Kh8 29. Qf6+ {[%mdl 64] Double Attack} Kg8 30. Qg5+) 22... Ra8 $2 {[#]} ({Black should play} 22... Nb4 $1 $19 {[%cal Rb4d3][%mdl 512]} 23. axb4 axb4) 23. Bg2 $2 (23. Qe4 $1 $16) 23... Nb4 $1 $17 {[%cal Rb4d3]} 24. Qd2 (24. Qe2 $17 d3 25. Ne1) 24... Qd5 $19 {[%csl Gb4][%cal Rd5a2]} 25. b3 {[#] Threatens to win with g5.} Nc6 $2 (25... a4 $1 $19 {[%cal Ra4b3] Hoping for ...axb3.} 26. Ne1 Qe5) 26. Bg3 $2 (26. Rb2 $14 {keeps the upper hand.}) 26... Qc5 $40 {[%cal Rc5a3][%mdl 128] Black is out for blood.} ({Not} 26... exf5 27. Rbd1 $15) 27. Rb2 Qxa3+ ({Weaker is} 27... exf5 28. gxf5 Bxf5 29. Ra2 $17) 28. Ra2 Qc5 {aiming for ...a4.} 29. Rd1 $2 (29. fxe6 {was necessary.} fxe6 30. Nxd4 Qxd4+ 31. Qxd4 Nxd4 32. Bxa8 Rxa8 33. Rd1) 29... e5 30. Ne1 {[#]} a4 $1 {[%mdl 512]} 31. bxa4 (31. b4 $142 Nxb4 32. Nd3 Nxd3 33. cxd3) (31. Rxa4 Rxa4+) 31... Qc4 32. Qd3 {[#]} Qxa2+ $1 {[%mdl 576] Decoy} 33. Kxa2 Nb4+ {[%mdl 64] Double Attack} 34. Kb1 Nxd3 35. Nxd3 Rxa4 36. Kc1 h5 {Played: Rf8-c8} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "9.2"]
[White "Lujan, Carolina"]
[Black "Ordaz Valdes, Lisandra Teresa"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2352"]
[BlackElo "2393"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,88,13,56,41,45,61,54,5,0,0,5,9,23,17,17,16,21,22,12,21,28,26,22,-15,-8,-44,-16,-48,-34,-33,-41,-175,-163,-168,-174,-189,-169,-331,-321,-368,-359,-420,-406,-406,-383,-399,-387,-366,-307,-584,-584,-688,-675,-29989,-29990,-29990,-29991,-29991,-29992,-29994,-29995,-29997,-29992,-29992,-29993,-29993,-29994]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O O-O 6. Bb3 a6 7. h3 h6 8. c3 d6 9. Re1 Ba7 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Nh5 11. Nf1 Qf6 12. Be3 Nf4 13. Ng3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (13. d4 Ne7 14. Ng3 Neg6 15. Bc2 Nh4 16. Nxh4 Qxh4 17. Qf3 g6 18. Bxf4 Qxf4 19. Qxf4 exf4 20. Ne2 f3 21. Ng3 c5 22. d5 Re8 23. h4 fxg2 24. Kxg2 {1-0 (50) Ganguly,S (2668)-Kayumov,S (2505) Doha 2016}) 13... g6 14. d4 g5 15. d5 $146 {White is slightly better.} ({Predecessor:} 15. dxe5 dxe5 16. Nh2 Na5 17. Ng4 Bxg4 18. Qxg4 Rfd8 19. Rf1 Nxb3 20. axb3 Qg6 21. Bxa7 Rxa7 {½-½ (44) Hernandez Munoz,J (2326)-Aguilar Gomez,P (2301) ICCF email 2007}) 15... Ne7 16. Nh2 Qg7 17. Bc2 Kh8 18. c4 f5 19. exf5 Nxf5 20. Nxf5 Bxf5 21. Bxf5 Rxf5 22. Bxa7 Rxa7 23. Qc2 Rf7 24. c5 Ra8 ({Inferior is} 24... Nxd5 25. cxd6 cxd6 26. Rad1 $16) 25. Qb3 Raf8 26. f3 dxc5 27. Qxb7 {[#]} ({White should play} 27. Ng4 $15) 27... e4 $1 $19 {[%cal Re4f3][%mdl 512]} 28. Rxe4 {[#]} c6 $1 {[%mdl 512]} 29. Qb6 ({Don't go for} 29. Qxc6 $2 Qxb2 30. Qxh6+ {[#]} Kg8 $1 $19 {[%mdl 512]}) 29... cxd5 30. Ree1 $2 (30. Re3 {is a better defense.}) 30... Rb7 31. Qxc5 Rxb2 32. Rab1 {aiming for Rxb2.} Rxg2+ 33. Kh1 Nd3 {[%mdl 64] Double Attack} 34. Qxd5 Nxe1 35. Rxe1 Rc2 36. Qd6 $2 (36. Ng4 {was worth a try.}) 36... Qf6 37. Qd3 Rxa2 {( -> ...Qb2)} 38. Rf1 Qb2 {[%csl Ga2][%cal Rb2h2] Black mates.} 39. Rf2 Qxf2 {[%csl Ga2][%cal Rf2h2]} 40. Qc3+ Kg8 {[%csl Ga2][%cal Rf2h2]} 41. Qc4+ Rf7 {[%csl Ga2][%cal Rf2h2]} 42. Qc8+ Kg7 {[%csl Ga2][%cal Rf2h2]} 43. Qc3+ Kg6 {[%csl Ga2][%cal Rf2h2]} 44. Qc6+ Kh5 {Accuracy: White = 41%, Black = 78%.} 0-1

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "9.3"]
[White "Cervantes Landeiro, Thalia"]
[Black "Belakovskaia, Anjelina"]
[Result "1/2-1/2"]
[ECO "D70"]
[WhiteElo "2118"]
[BlackElo "2191"]
[Annotator "ChessBase"]
[PlyCount "105"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:00]} g6 {[%emt 0:02:08]} 5. b3 {[%emt 0:02:05]} Bg7 {[%emt 0:00:25]} 6. Bb2 {[%emt 0:00:36]} Bg4 {[%emt 0:10:47]} 7. Be2 {[%emt 0:02:17]} O-O {[%emt 0:02:52]} 8. O-O {[%emt 0:00:47]} Bxf3 {[%emt 0:06:47]} 9. Bxf3 {[%emt 0:00:27]} Ne4 {[%emt 0:00:34]} 10. Qd3 {[%emt 0:04:49]} f5 {[%emt 0:03:03]} 11. cxd5 {[%emt 0:01:35]} cxd5 {[%emt 0:00:05]} 12. Nc3 {[%emt 0:04:58]} e6 {[%emt 0:01:13]} 13. Ba3 {[%emt 0:03:47]} Rf7 {[%emt 0:04:54]} 14. Na4 {[%emt 0:09:00]} Na6 {[%emt 0:14:08]} 15. Rac1 {[%emt 0:07:12]} Rc8 {[%emt 0:03:22]} 16. b4 {[%emt 0:10:42]} Nd6 {[%emt 0:22:19]} 17. b5 {[%emt 0:06:57]} Nb8 {[%emt 0:00:51]} 18. Rxc8 {[%emt 0:07:16]} Nxc8 {[%emt 0:00:02]} 19. Rc1 {[%emt 0:00:59]} Rc7 {[%emt 0:00:18]} 20. Rc3 {[%emt 0:00:42]} b6 {[%emt 0:07:55]} 21. Bd1 {[%emt 0:02:03]} Bf8 {[%emt 0:01:18]} 22. Bxf8 {[%emt 0:05:28]} Kxf8 {[%emt 0:00:02]} 23. f3 {[%emt 0:03:09]} Nd6 {[%emt 0:00:19]} 24. Be2 {[%emt 0:06:19]} Qc8 {[%emt 0:00:50]} 25. Kf2 {[%emt 0:01:35]} Kf7 {[%emt 0:01:32]} 26. Rxc7+ {[%emt 0:02:09]} Qxc7 {[%emt 0:00:01]} 27. Qc3 {[%emt 0:00:22]} Qxc3 {[%emt 0:00:58]} 28. Nxc3 {[%emt 0:00:02]} Nd7 {[%emt 0:01:43]} 29. a4 {[%emt 0:00:55]} Ke7 {[%emt 0:01:42]} 30. Na2 {[%emt 0:00:43]} Nb8 {[%emt 0:02:31]} 31. Nb4 {[%emt 0:01:09]} Nf7 {[%emt 0:01:16]} 32. Bd3 {[%emt 0:02:08]} Kd6 {[%emt 0:00:26]} 33. e4 {[%emt 0:03:42]} fxe4 {[%emt 0:09:58]} 34. fxe4 {[%emt 0:00:06]} e5 {[%emt 0:00:03]} 35. exd5 {[%emt 0:02:56]} exd4 {[%emt 0:00:02]} 36. Nc6 {[%emt 0:00:37]} Ne5 {[%emt 0:01:21]} 37. Bc2 {[%emt 0:02:07]} Nbd7 {[%emt 0:00:05]} 38. Nxa7 {[%emt 0:03:35]} Kxd5 {[%emt 0:00:38]} 39. Nc6 {[%emt 0:01:56]} Nxc6 {[%emt 0:01:20]} 40. Be4+ {[%emt 0:00:27]} Kd6 {[%emt 0:00:05]} 41. bxc6 {[%emt 0:01:23]} Nc5 {[%emt 0:00:22]} 42. Bf3 {[%emt 0:01:32]} Nxa4 {[%emt 0:00:04]} 43. Ke2 {[%emt 0:00:04]} Nc5 {[%emt 0:00:23]} 44. h4 {[%emt 0:00:24]} h6 {[%emt 0:00:48]} 45. Kd2 {[%emt 0:00:42]} b5 {[%emt 0:01:25]} 46. g4 {[%emt 0:00:49]} g5 {[%emt 0:00:32]} 47. hxg5 {[%emt 0:00:05]} hxg5 {[%emt 0:00:01]} 48. Kc2 {[%emt 0:00:02]} b4 {[%emt 0:01:15]} 49. Bh1 {[%emt 0:00:39]} Kc7 {[%emt 0:00:35]} 50. Bd5 {[%emt 0:01:21]} Kd6 {[%emt 0:00:22]} 51. Bh1 {[%emt 0:00:01]} Kc7 {[%emt 0:00:58]} 52. Bd5 {[%emt 0:00:02]} Kd6 {[%emt 0:00:01]} 53. Bh1 {[%emt 0:01:02]} 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "9.4"]
[White "Hernandez Moya, Yuleisy"]
[Black "Uyanga, Byambaa"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2199"]
[BlackElo "2114"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,67,39,48,0,12,-183,-167,-225,-216,-204,-203,-223,-221,-203,-211,-199,-119,-115,-86,-94,-90,-122,-114,-117,-116,-117,-79,-74,-42,-37,27,-10,-6,-88,-45,-54,-15,-64,-80,-121,-118,-548,-545,-447,0,-314]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 O-O 9. Qd2 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4 b5 $1 13. h4 {Black should prevent h5. B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} (13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 Kg8 17. Rhe1 Rc5 18. Re3 b4 19. axb4 axb4 20. Qxb4 Qa8 21. Kd2 {½-½ (46) Alekseenko,K (2609)-Vocaturo,D (2620) Batumi 2018}) 13... a5 $1 {[%cal Ra5a4]} 14. a4 $2 (14. a3 $11) 14... bxa4 $19 15. Nxa4 (15. Ba2 $142) 15... Bxa4 16. Bxa4 {[#]} Rc4 $1 {[%cal Rc4a4]} 17. Bb3 {[#]} Nxe4 $1 {[%mdl 512]} 18. Qe3 (18. fxe4 Rxd4) 18... Rxd4 19. Rxd4 Bxd4 (19... Ng3 $19 20. Rdd1 a4 21. Bxa4 Nxh1 22. Rxh1 Qa5) 20. Qxd4 $17 Nc5 21. Bc4 $146 ({Predecessor:} 21. Ba2 Qb6 22. Qe3 Rb8 23. Qa3 {½-½ (23) Cabrera Gomez,T (1774)-Ruiz Yanes,J (1484) Tenerife 2015}) 21... Qb6 {Hoping for ...Nb3+!} 22. Kb1 {With the idea h5.} Rb8 23. h5 {aiming for hxg6.} e5 24. Qc3 Qb4 (24... gxh5 {is more complex.} 25. Ka2 Kg7 26. Rxh5 Na4 27. Qb3 Nxb2 28. Bxf7 Nd1) 25. Qxb4 Rxb4 {[%mdl 4096] Endgame KRB-KRN} 26. b3 g5 (26... Rb8 $15) 27. Ka2 Kg7 28. g4 (28. Ra1 $11 {remains equal.}) 28... h6 29. c3 Rb6 30. Ra1 {[#]} f5 $1 {[%mdl 512]} 31. Kb2 (31. gxf5 Kf6) 31... e4 32. Rxa5 $2 {[%mdl 8192]} (32. fxe4 $17 fxg4 33. Rf1) 32... exf3 $19 33. Ra7+ Kh8 $2 (33... Rb7 $19 34. Rxb7+ Nxb7 35. gxf5 Nc5) 34. gxf5 $2 {[%mdl 40960] Accuracy: White = 25%, Black = 60%. . An unexpected result.} (34. Rf7 $11 {and White stays safe.}) 1/2-1/2

[Event "Berkeley Summer IM 2019"]
[Site "Berkeley"]
[Date "2019.08.21"]
[Round "9.5"]
[White "Matras-Clement, Agnieszka"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2260"]
[BlackElo "2417"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.08.14"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,59,0,-2,-8,7,0,14,0,7,13,13,6,21,0,0,0,15,0,0,0,0,-10,13,13,13,0,8,8,21,19,47,26,26,19,34,26,33,0,42,0,27,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. O-O {B22: Sicilian: 2 c3} (11. Nc3 e6 12. O-O Rd8 13. Be3 Be7 14. Qb3 O-O 15. Rad1 Qd6 16. a3 Na5 17. Qa2 Nd5 18. Be2 Nc6 19. Nxd5 exd5 20. g3 {½-½ (57) Boruchovsky,A (2558)-Yilmaz,M (2624) Rio Achaea 2018}) 11... Rd8 12. Qf3 a6 13. Bxc6 $1 {The position is equal.} Qxc6 14. Qxc6+ bxc6 15. Be3 e6 16. Nc3 $146 ({Predecessor:} 16. Rc1 Kd7 17. Nd2 Nd5 18. Nb3 Rb8 {½-½ (106) Zinchenko,Y (2322)-Berczes,D (2393) Balatonlelle 2003}) 16... Kd7 17. Rac1 Nd5 18. Ne4 Rb8 19. b3 Be7 20. Rfd1 f5 21. Nc5+ Bxc5 $1 22. Rxc5 Rb5 23. Rdc1 Rc8 24. Bd2 Rc7 25. f3 Rc8 26. Kf2 Rc7 27. R1c4 Rc8 28. Rc1 Rc7 29. R1c4 Rc8 30. Rc1 {Accuracy: White = 38%, Black = 42%.} 1/2-1/2

