[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.1"]
[White "Matros, Alexander"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2380"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,125,2,4,0,11,4,51,31,43,52,54,54,39,51,70,70,70,59,72,59,57,52,52,49,49,19,22,12,15,29,40,20,20,20,29,19,23,0,52,52,52,52,52,52,52,52,52,52,52,52,52,39,113,106,102,112,136,136,135,125,113,33,237,227,363,184,340,284,951,890,737,671,1060,1023,1126,981,29974,29975,29974,29975,29976,29977,29977,29978,29978,29978,29978,29977,29978,29979,29979,29980,29980,29981,29981,29981,29981,29982,29982,29986,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992]} 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 4. e3 cxd4 5. exd4 a6 6. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Nc6 7. Ne5 Bf5 (7... Bd7 {is interesting.} 8. g3 e6 9. Bg2 Nxe5 10. dxe5 Ng8) 8. g4 {White is slightly better.} Be6 9. Nxc6 bxc6 10. g5 {[#]} Nd7 $146 ({Predecessor:} 10... Bg4 11. Be2 Bxe2 12. Qxe2 Nd7 13. h4 e6 14. h5 Nb6 15. b3 Ba3 16. Qe3 O-O {½-½ (62) Carapinha,F (1865)-Rubio Doblas,R (2163) ICCF email 2010}) 11. h4 Bf5 12. Bd3 Bxd3 13. Qxd3 e6 14. O-O-O Nb6 15. h5 Bd6 16. Qg3 Nc4 {White must now prevent ...Qb8!} 17. b3 Bxf4+ $1 18. Qxf4 Qd6 $1 {[%cal Rd6a3]} 19. Qxd6 Nxd6 20. Rhg1 Ke7 21. Na4 Nf5 22. c3 Kd6 23. f4 Kc7 ({Black should try} 23... g6 $11) 24. Nc5 $14 g6 25. h6 Nd6 26. Rde1 Nb7 27. Nd3 Nd6 28. Ne5 Rhf8 29. Ng4 Ne4 30. Kc2 a5 {[#]} (30... Kd6 $14) 31. Rxe4 $1 $16 {[%mdl 512]} dxe4 {[%mdl 4096] Endgame KRR-KRN} 32. Nf6 Rh8 {[#]} 33. Re1 $1 Rab8 34. Rxe4 Rb5 {[#]} 35. Re5 $1 Rxe5 $2 {Black cannot hold the game after this.} ({Black should play} 35... a4 $1 $14) 36. fxe5 $14 {KR-KN} Kb6 (36... a4 {is a better defense.} 37. Kd3 (37. bxa4 c5 $14) 37... axb3 38. axb3 Ra8 39. Nxh7 Ra2) 37. Kd3 (37. a4 $142 Kc7 38. Kd3) 37... Ka6 $2 (37... a4 38. bxa4 Ra8) 38. Kc4 $18 a4 $2 (38... Kb6 39. a4 Kc7) 39. Kc5 a3 40. Kb4 c5+ 41. Kxc5 Rb8 42. Kc4 Ka5 43. Nxh7 {White mates.} Rc8+ 44. Kd3 Kb5 45. Nf6 Rd8 46. h7 Rh8 47. Kc2 Ka5 48. Kd2 Kb5 49. c4+ Kb4 50. Kd3 Ka5 51. Kc3 Kb6 52. Kb4 Kc6 53. Kxa3 Ra8+ 54. Kb2 Rh8 55. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kb7 56. Kc3 Kc6 57. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Kb6 58. a5+ Ka6 59. Kb3 Kb7 60. b5 Kc7 61. a6 Kb6 62. Kb4 Ka7 63. c5 {Weighted Error Value: White=0.07/Black=0.26} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.2"]
[White "Vijay, Keerthi K."]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2260"]
[BlackElo "2235"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,158,-41,-41,-45,-44,-47,-38,-28,-33,-26,-22,-14,-22,-30,14,-23,-20,-45,-37,-57,-44,-34,0,-11,0,0,13,14,58,0,0,-37,-7,-20,0,-15,-22,-36,0,-20,12,25,0,5,14,-34,70,43,61,71,64,77,129,113,158,125,262,108,157,151,249,256,259,256,251,251,251,262,244,238,283,275,304,290,404,130,130,130,130,130,130,130,130,130,130,130,130,110,110,110,130,103,103,103,103,103,103,103,103,75,82,82,103,103,110,103,103,103,103,81,103,81,103,103,103,81,82,82,103,103,103,96,110,96,96,96,103,103,103,103,103,103,103,103,103,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0]} 1. d4 d5 2. Nc3 Nf6 3. g3 c5 4. Bg5 cxd4 5. Bxf6 {[#]} gxf6 $146 ({Predecessor:} 5... exf6 6. Qxd4 Be6 7. e4 Nc6 8. Bb5 dxe4 9. Qxd8+ Rxd8 10. Nxe4 Bd5 11. f3 f5 {0-1 (43) Kleemeier,E-Seeman,T (2428) Parnu 2000}) 6. Qxd4 {D00: 1 d4 d5: Unusual lines.} e6 7. e3 Nc6 8. Qd2 {Black is slightly better.} Bb4 9. a3 {[#]} Qa5 10. Nge2 {[#]} Ne5 $1 11. Bg2 Nc4 12. Qc1 Be7 13. e4 dxe4 14. Bxe4 f5 15. Bg2 Bf6 16. O-O O-O 17. Rd1 Qc5 18. Rb1 Ne5 19. b4 (19. Nf4 $1 $14) 19... Qe7 $11 20. Qf4 Ng6 21. Qc4 a6 22. a4 Ne5 23. Qf4 Ng6 24. Qe3 Rd8 25. Rxd8+ Qxd8 26. a5 Qc7 27. Qb6 Bd8 (27... Qxb6 $15 28. axb6 Ne5) 28. Na4 Qd7 29. Qd4 Qxd4 30. Nxd4 Ne5 ({Black should try} 30... e5) 31. Rd1 $16 Bc7 32. Nb3 Rb8 (32... Kf8 $16) 33. f4 (33. Nb6 $18 {has better winning chances.}) 33... Nd7 34. c4 b6 (34... e5 $16 {is a better defense.}) 35. Bc6 $18 Nf8 {intending ...bxa5.} 36. axb6 Bxb6+ 37. Nxb6 Rxb6 38. b5 axb5 39. cxb5 {aiming for Nc5.} Bb7 {[#]} 40. Na5 {[%cal Ra5b7]} Bxc6 41. bxc6 {[%mdl 4096] Endgame KRN-KRN} Rb5 {[#]} 42. Rc1 $1 Rxa5 $16 {KRN-KR} 43. c7 Ra8 44. c8=Q Rxc8 45. Rxc8 {KR-KN} Kg7 46. Kf2 Nd7 47. Ke3 Nf6 48. Kd4 Ng4 49. Rc2 Kg6 50. Kc5 h5 51. Kd6 Kf6 52. Kd7 Kg7 53. Ke7 Ne3 54. Rd2 Nd5+ 55. Kd6 {Strongly threatening Rxd5.} Nf6 {White must now prevent ...Ne4+.} 56. Rc2 (56. Ke5 {is more complex.} Kg6 57. Ra2 Nd5 58. Ra3 Nf6 59. Kd6) 56... Ne4+ 57. Ke7 Nf6 58. Kd8 Nd5 59. Rb2 Nf6 60. Rb7 Kf8 61. Rb8 Kg7 62. Ke7 Nd5+ 63. Kd6 Nf6 64. Rb7 Ne4+ 65. Ke5 Nf6 66. h3 Ne4 {[#]} 67. Rb3 $1 Nf6 68. Rd3 Kg6 69. Rd8 Kg7 70. Ra8 Nd7+ 71. Kd6 Nf6 72. Ke7 (72. Ra3 $16) 72... Nd5+ $11 {The position is equal.} 73. Kd8 h4 $1 {[%cal Rh4g3]} 74. Ra3 Kf6 75. gxh4 {Threatens to win with Rf3.} Nxf4 76. Kd7 e5 77. Kd6 e4 78. Kc5 Ke5 79. Kc4 Nh5 {Black escapes into a draw.  Weighted Error Value: White=0.20/Black=0.21} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.3"]
[White "Chasin, Nico"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2293"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,84,0,0,0,-19,-20,-44,0,0,7,-37,-38,-43,-35,-31,-42,-65,-65,-61,-66,-79,-5,-12,-12,-12,-7,-14,-8,-10,0,0,0,-19,0,0,0,-10,0,0,0,-10,-10,-8,-1,-616,-607,-937,-868,-2244,-1882,-1193,-985,-29986,-29987,-29987,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,-29989]} 1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 d6 6. Nge2 e5 7. d3 Nge7 8. O-O O-O 9. a3 a5 10. Bd2 Rb8 11. Rb1 Be6 12. Nd5 b5 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} 13. Nec3 b4 14. axb4 Nxb4 {[#] Black is slightly better.} (14... axb4 {seems wilder.} 15. Nxe7+ Nxe7 16. Nd5 Nxd5 17. Bxd5 Bxd5 18. cxd5 Ra8) 15. Nxe7+ $146 ({Predecessor:} 15. Nxb4 axb4 16. Nb5 e4 17. Qc2 exd3 18. Qxd3 d5 19. cxd5 Nxd5 20. Na7 Nc3 21. Qxd8 {0-1 (47) Garcia Roman,D (2312)-Guidarelli,L (2422) Mallorca 2003}) 15... Qxe7 16. Qa4 Nxd3 17. Nd5 Bxd5 18. Bxd5 Nb4 19. e4 Nxd5 20. cxd5 f5 21. Qxa5 Rb3 (21... fxe4 $17 {aiming for ...Qb7.} 22. Qa4 e3 23. fxe3 e4) 22. Qa4 $11 Rfb8 23. Bc3 f4 24. Ra1 h5 25. Ra2 R3b5 26. Qc4 R5b7 27. Ra6 Qd7 28. Qe2 Rf8 {[#] And now ...f3 would win.} 29. f3 fxg3 30. hxg3 Bh6 31. f4 exf4 32. e5 $1 Qf5 {[#] White must now prevent ...f3.} 33. Rxd6 $2 {[%mdl 8192] White does not recover from this.} (33. exd6 $11 Kh7 34. Rc6) 33... f3 $19 34. Qf2 Qg4 {( -> ...Be3!)} 35. Qh2 Be3+ 36. Kh1 h4 37. Rf6 Rh7 {Black mates.} 38. Ra1 Rxf6 39. exf6 f2 40. Ra8+ Kf7 41. Ra7+ Ke8 42. f7+ Kf8 {Weighted Error Value: White=0.71/Black=0.18} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.17"]
[Round "1.4"]
[White "Andrianov, Nikolai"]
[Black "Griffith, Kyron"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2372"]
[Annotator "NA RC"]
[PlyCount "9"]
[EventDate "2021.03.17"]
[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. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:08]} d5 {[%emt 0:00:00]} 4. Bg2 {[%emt 0:00:12]} b5 {[%emt 0:00:31]} 5. O-O {[%emt 0:01:40]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.17"]
[Round "1.5"]
[White "Canty, James"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2221"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,29,25,28,12,31,40,49,47,79,39,52,62,48,-3,-5,-10]} 1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 d5 5. Nc3 Bg7 6. exd5 Nf6 7. Qb3 O-O 8. Be2 Nbd7 9. Nh3 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} Nb6 10. Nf4 Qd6 {[#]} 11. O-O $146 {White is slightly better.} ({Predecessor:} 11. a4 a5 12. O-O Bg4 13. Bxg4 Nxg4 14. Nb5 Qd7 15. d6 exd6 16. h3 Nf6 17. Nc3 {1-0 (25) Lalic,B (2491)-Piankov,E (2324) Tabor 2010}) 11... Rd8 {[%cal Rf6d5]} 12. Bf3 (12. Nb5 $5 {[%cal Rb5d6]} Qb8 13. d6 $16) 12... Bg4 13. Bxg4 Nxg4 14. Ne4 (14. h3 $14 Nf6 15. Nb5) 14... Qd7 $11 {[%cal Rb6d5]} 15. d6 {Weighted Error Value: White=0.23/Black=0.10} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.1"]
[White "Matros, Alexander"]
[Black "Vijay, Keerthi K."]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2380"]
[BlackElo "2260"]
[Annotator "NA"]
[PlyCount "63"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:30:30]} d5 2. c4 {[%emt 0:00:30]} c6 {[%emt 1:31:00]} 3. cxd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 4. Bf4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. e3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 6. Nc3 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 7. Bg3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 8. Nf3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 9. Bb5 {[%emt 0:00:30]} Bb4 {[%emt 0:00:30]} 10. O-O {[%emt 0:00:30]} Bxc3 {[%emt 0:00:30]} 11. bxc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 12. Qb3 {[%emt 0:00:30]} Na5 {[%emt 0:00:30]} 13. Qb4 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 14. Rfc1 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 15. Rab1 {[%emt 0:00:30]} Nxg3 {[%emt 0:00:30]} 16. hxg3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 17. Bd3 {[%emt 0:00:30]} Qxb4 {[%emt 0:00:30]} 18. cxb4 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 19. a4 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 20. b5 {[%emt 0:00:30]} Nb4 {[%emt 0:00:30]} 21. Rb3 {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} 22. Bb1 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 23. Rbc3 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 24. g4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 25. Rc7 {[%emt 0:00:30]} Raf8 {[%emt 0:00:30]} 26. Kf1 {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 27. Ke2 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 28. Nd2 {[%emt 0:00:30]} Rxc7 {[%emt 0:00:30]} 29. Rxc7+ Rf7 {[%emt 0:00:30]} 30. Rc1 {[%emt 0:01:00]} Rf8 {[%emt 0:00:30]} 31. Rc7+ {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} 32. Rc1 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.2"]
[White "Griffith, Kyron"]
[Black "Canty, James"]
[Result "1-0"]
[ECO "A68"]
[WhiteElo "2372"]
[BlackElo "2221"]
[Annotator "NA"]
[PlyCount "65"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:48]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:07]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 5. f4 {[%emt 0:00:05]} O-O {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:04]} c5 {[%emt 0:00:03]} 7. d5 {[%emt 0:00:04]} e6 {[%emt 0:00:06]} 8. Be2 {[%emt 0:00:05]} exd5 {[%emt 0:00:08]} 9. cxd5 {[%emt 0:00:16]} b5 {[%emt 0:04:05]} 10. e5 {[%emt 0:04:26]} dxe5 {[%emt 0:00:32]} 11. fxe5 {[%emt 0:00:05]} Ng4 {[%emt 0:01:02]} 12. Bxb5 {[%emt 0:07:02]} Nxe5 {[%emt 0:00:54]} 13. O-O {[%emt 0:02:21]} Qb6 {[%emt 0:12:45]} 14. Nxe5 {[%emt 0:16:54]} Bxe5 {[%emt 0:00:03]} 15. Bh6 {[%emt 0:00:13]} Rd8 {[%emt 0:15:40]} 16. Qf3 {[%emt 0:03:19]} f5 {[%emt 0:03:38]} 17. Rae1 {[%emt 0:02:19]} Bd4+ {[%emt 0:04:09]} 18. Kh1 {[%emt 0:00:32]} Nd7 {[%emt 0:00:16]} 19. Bc6 {[%emt 0:14:04]} Rb8 {[%emt 0:07:37]} 20. Bf4 {[%emt 0:08:51]} Ba6 {[%emt 0:00:29]} 21. Bxd7 {[%emt 0:01:53]} Rxd7 {[%emt 0:01:16]} 22. Re6 {[%emt 0:00:45]} Bxf1 {[%emt 0:06:53]} 23. Rxb6 {[%emt 0:00:35]} Rxb6 {[%emt 0:00:04]} 24. Qxf1 {[%emt 0:00:04]} Rxb2 {[%emt 0:00:25]} 25. Qe1 {[%emt 0:02:02]} Rdb7 {[%emt 0:09:01]} 26. h4 {[%emt 0:02:32]} Rc2 {[%emt 0:00:48]} 27. Qe8+ {[%emt 0:05:27]} Kg7 {[%emt 0:00:07]} 28. h5 {[%emt 0:00:34]} gxh5 {[%emt 0:04:54]} 29. Be5+ {[%emt 0:00:35]} Bxe5 {[%emt 0:02:24]} 30. Qxe5+ {[%emt 0:00:05]} Kg6 {[%emt 0:27:41]} 31. d6 {[%emt 0:00:13]} Rd2 {[%emt 0:00:00]} 32. Qe6+ {[%emt 0:00:42]} Kg7 {[%emt 0:00:00]} 33. Nd5 {[%emt 0:00:16]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.3"]
[White "Wang, Tianqi"]
[Black "Andrianov, Nikolai"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2305"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,-2,27,16,22,14,21,16,39,37,65,39,41,27,25,27,55,29,35,41,68,54,71,48,49,56,57,52,60,51,45,39,43,39,38,0,26,14,33,31,41,0,0,0,0,-608,-596,-606,-599,-608,-601,-647,-647,-916,-818,-917,-887,-914,-884,-1102,-1108,-1040,-1052,-1040,-1029]} 1. e4 c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Nf6 6. Nxf6+ {B21: Sicilian: 2 f4 and Morra Gambit.} gxf6 7. b3 Nc6 8. Bb2 {[#] The position is equal.} Rg8 $146 ({Predecessor:} 8... Bd7 9. a3 Bg7 10. Bd3 Qb6 11. Qe2 h5 12. Qf2 O-O-O 13. b4 cxb4 14. Qxb6 axb6 {0-1 (48) Houska,J (2551)-Hansen,S (2358) Germany 2003}) 9. g3 f5 10. Bb5 Bd7 11. Bxc6 Bxc6 12. Rf1 Bxf3 13. Qxf3 Qd5 14. Qe2 O-O-O 15. O-O-O Bg7 16. Bxg7 Rxg7 17. Rf3 f6 18. Rd3 Qc6 19. Rxd8+ Kxd8 $14 {[%mdl 4096] Endgame KQR-KQR} 20. Re1 Re7 21. Qc4 Qd5 22. Qe2 Kc7 23. Kb1 b6 24. Qa6 Kb8 25. Re2 e5 26. fxe5 Rxe5 27. a4 $2 {[%mdl 8192] [#]} (27. Rxe5 $11 fxe5 28. Qf1) 27... Qh1+ $1 $19 {Black is clearly winning.} 28. Kb2 Qf1 29. Rxe5 {Intending Re8+ and mate.} Qxa6 30. Rxf5 {KQ-KR} Qe2 31. d3 h5 32. h3 Qe3 33. Rxh5 Qxg3 34. h4 Qg6 35. Rh8+ Kc7 36. h5 Qg7 {Weighted Error Value: White=0.47/Black=0.08} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.4"]
[White "Adamson, Robby"]
[Black "Chasin, Nico"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2235"]
[BlackElo "2293"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,23,38,27,22,37,91,89,94,83,153,-39,-39,-43,0,-7,-7,-15,-5,-3,-5,-8,-10,-32,-7,-48,-35,-70,66,76,79,75,68,72,72,76,74,49,53,7,9,0,5,0,12,-5,0,-8,-12,-45,-60,-90,-85,-86,-75,-87,-82,-97,-70,-102,-71,-177,-200,-188,-184,-201,-218,-553,-545]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3 c4 7. Bc2 d6 $1 {[%mdl 4] now scores much better than the old 7...Qc7.} 8. exd6 Qxd6 9. Na3 {B22: Sicilian: 2 c3.} Bg4 10. Qe2 Qc5 (10... Qe6 $14) 11. b3 $16 {White is better.} cxb3 12. axb3 {[#]} Nd5 $146 (12... Rc8 $142) ({Predecessor:} 12... a6 13. Qe4 Bh5 14. Qe3 Qxe3+ 15. fxe3 e6 16. Be4 Rc8 17. Nc2 Bg6 18. Bxg6 hxg6 {½-½ (27) Pedersen,H (2146)-Svanholm,B (1926) Helsingor 2011}) 13. Qb5 $2 (13. O-O $16) 13... Qxb5 $15 14. Nxb5 a6 (14... Bxf3 $5 15. gxf3 a6 $11) 15. Be4 O-O-O $1 {Threatens to win with ...Bxf3.} 16. Na3 f5 17. Bxd5 Rxd5 18. Nc4 $36 {[%mdl 2048] White fights for an advantage.} Rb5 19. b4 e5 20. d3 Bh5 21. O-O Bf7 ({Black should play} 21... f4 $15) 22. Re1 $14 {[%cal Rf3e5]} e4 23. Ng5 {[%mdl 64] Double Attack} Bg8 24. Na3 Re5 25. Bf4 h6 26. Bxe5 ({Much weaker is} 26. dxe4 hxg5 27. Bxe5 Nxe5 $11) 26... Nxe5 27. Nh3 ({But not} 27. dxe4 hxg5 28. exf5 Bd6 $15) (27. Nxe4 $5 Nxd3 {[#]} 28. Nd6+ $1 Bxd6 29. Red1 $14) 27... Nxd3 28. Re2 Bd5 29. Nc2 g5 30. f3 exf3 31. Rd2 Be4 32. gxf3 {[#]} Ne5 $1 33. fxe4 (33. Nd4 Nxf3+) 33... Nf3+ {[%mdl 64] Double Attack} 34. Kg2 Nxd2 35. exf5 Bg7 36. Ra5 Rd8 37. Nf2 Rd6 38. Rc5+ (38. h3 $17 {was called for.}) 38... Kd7 $19 39. Ra5 Bxc3 40. Rc5 Bg7 {And now ...b6 would win.} 41. Ne3 $2 (41. Ra5 {is tougher.}) 41... Bd4 $1 {[%csl LRc5,LRe3][%mdl 64] Double Attack.  Weighted Error Value: White=0.36/Black=0.16} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.5"]
[White "Oberoi, Shelev"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B27"]
[WhiteElo "2199"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "194"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,194,81,12,64,55,47,56,68,59,76,27,72,61,63,50,75,35,54,24,18,18,20,18,71,68,70,0,76,0,0,0,0,-12,-8,-13,-6,-56,-45,-47,0,-51,-40,-40,-47,-46,-49,-36,21,21,22,21,19,19,21,8,64,64,118,32,34,21,21,21,21,20,21,0,0,0,21,21,21,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-67,-61,-75,-75,-321,0,0,0,-294,-2,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,0,0,0,0,0,0,0,0,0,0,0,48,29,30]} 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 Bxc3+ 5. bxc3 Qa5 6. Nf3 ({White should try} 6. Qd4 $16 Nf6 7. Qb4 Qxb4 8. cxb4) 6... Nc6 {[#] B27: Sicilian: 2 Nf3, unusual Black 2nd moves.} (6... Nf6 $11) 7. Qd2 $146 ({Predecessor:} 7. Bd3 Qxc3+ 8. Bd2 Qxc5 9. Rb1 Nf6 10. Rb5 Qa3 11. e5 Nh5 12. Qa1 O-O 13. O-O {1-0 (34) Stukopin,A (2587)-Lee,M (2420) ICC INT 2015}) 7... Nf6 8. Bd3 Qxc5 {White is slightly better.} 9. Rb1 a6 10. Qg5 d5 {[#]} 11. exd5 $1 Qxd5 12. O-O O-O 13. Re1 Qxa2 14. Bf4 Qa5 15. Ne5 Nxe5 16. Rxe5 Qa2 (16... Qd8 $11) 17. Rbe1 $16 Be6 18. h3 (18. Ra5 $14 Qb2 19. Be5) 18... Nh5 (18... Nd5 $11 {keeps the balance.} 19. Rxe6 Nxf4 20. Rxe7 Nxd3 21. cxd3 b5) 19. Qh6 (19. Ra5 $16 Qb2 20. Bd2) 19... Nxf4 $11 20. Qxf4 Rad8 21. Qb4 Rd5 22. R5e3 Rd7 23. Re5 b5 $1 24. Qh4 Qa3 25. R1e3 (25. Bxg6 $11 hxg6 26. Qh6) 25... Rfd8 26. Qh6 Qc1+ 27. Kh2 {[#] White wants to mate with Rh5!} Rxd3 $1 28. cxd3 {[#] Threatens to win with Rh5!} Rxd3 $1 {[#]} 29. Rh5 $1 gxh5 30. Rg3+ Rxg3 31. Qxc1 {[%mdl 4096] Endgame KQ-KRB} Rg6 32. Qd1 f6 ({Better is} 32... Rf6 $11) 33. Qxh5 $14 Bc4 (33... f5 $14) 34. Qc5 (34. f4 $16 {aiming for f5.} f5 35. Qxf5) 34... Kf7 35. g4 {[%mdl 1024] White has compensation.} Rg5 36. Qb6 h5 37. f3 Rd5 38. Kg3 hxg4 39. hxg4 Rd3 40. Qxa6 Rxc3 41. Qc8 b4 42. g5 Bd5 {[%mdl 64] Discovered Attack} 43. g6+ {[%mdl 64] Decoy} Kxg6 44. Qg4+ Kf7 45. Qh5+ Ke6 46. Qg4+ Ke5 47. Qf4+ Ke6 48. Qg4+ f5 (48... Ke5 {is more complex.}) 49. Qg8+ Kd6 50. Qd8+ Kc6 51. Qa8+ (51. Qe8+ $11 Kc5 52. Qxe7+ Kb5 53. Qe2+ Ka5 54. Qe5 Rxf3+ 55. Kh4) 51... Kc5 $15 52. Qa5+ Kc4 53. Qa2+ $2 (53. Qc7+ $17 {was the only chance.} Kb3 54. Qxe7) 53... Kd4 $2 ({Black should play} 53... b3 $19 54. Qa6+ Kd4 55. Qa7+ Kd3 56. Qxe7 b2) 54. Qa7+ $11 Kc4 $2 {[%mdl 8192]} (54... Kd3 $11 55. Qxe7 Kc4) 55. Qa2+ $19 Rb3 $2 (55... b3 $19 56. Qa6+ Kd4 57. Qa7+ Kd3 58. Qxe7 Bc4) 56. Qe2+ $11 Kd4 57. Qf2+ Ke5 58. Qe2+ Kf6 59. Qd2 Rxf3+ 60. Kh2 e6 {...b3 is the strong threat.} 61. Qd4+ Kg5 {Hoping for ...b3.} (61... Kf7 {keeps more tension.} 62. Qxb4 Re3 63. Qh4 Kg6 64. Qe7 Rb3) 62. Qxb4 Rf2+ (62... Re3 {seems wilder.} 63. Kg1 Re4 64. Qf8 Rg4+ 65. Kf2 Rf4+) 63. Kg1 (63. Kh3 {keeps more tension.} Rf3+ 64. Kh2) 63... Rg2+ 64. Kf1 Ra2 (64... Rc2 {seems wilder.} 65. Qf8 Rc4 66. Ke2 f4 67. Qg8+ Kh6) 65. Qe7+ Kf4 66. Qh4+ Ke3 67. Qg3+ Bf3 {( -> ...Ra1+)} 68. Qe5+ Be4 69. Qg3+ Kd4 70. Qd6+ Bd5 71. Qf4+ (71. Qb6+ {keeps more tension.} Kc3 72. Qe3+ Kb4 73. Qb6+ Kc4 74. Qc7+) 71... Kd3 72. Qg3+ Kc4 73. Qc7+ Kb3 74. Qb8+ Kc2 75. Qb4 Rb2 76. Qd4 Rb3 77. Ke2 Rb2 78. Qd3+ (78. Ke3 {keeps more tension.} Kb1 79. Kd3 Be4+ 80. Ke3 Bd5) 78... Kc1+ 79. Ke1 {[%csl Ge1][%cal Rd3d1]} Bb3 80. Qc3+ Kb1 81. Qd3+ Ka1 82. Qd4 Ka2 83. Qa7+ (83. Qc3 {is interesting.} Bd5 84. Kf1 Rb1+ 85. Ke2 Rb2+ 86. Kd1) 83... Kb1 84. Qd4 (84. Qe3 {feels hotter.} Ka2 85. Qd4 Bd5 86. Qa4+ Kb1 87. Qd1+) 84... Rc2 (84... Ka2 {with more complications.}) 85. Qb4 Rb2 86. Qd4 (86. Qc3 {seems wilder.} Bd5 87. Qd3+ Ka2 88. Qa6+ Kb3 89. Qd3+) 86... Bc2 87. Kf2 Rb3 (87... Be4+ {looks sharper.} 88. Ke3 Bd5 89. Kd3 Be4+ 90. Ke3) 88. Qe5 Rb2 89. Qe1+ Ka2 90. Qa5+ Ba4+ 91. Kg3 (91. Ke3 {keeps more tension.} Ka3 92. Qc5+ Ka2 93. Qa7 Rb4 94. Kd3) 91... Ka3 92. Qc5+ (92. Qe1 {is more complex.} Bb3 93. Qa1+ Ra2 94. Qc1+ Rb2 95. Qa1+) 92... Rb4 93. Qc1+ (93. Kf3 {seems wilder.} Bb3 94. Ke2 Bd5 95. Kd2 Kb3 96. Qe3+) 93... Ka2 94. Qd2+ Rb2 95. Qa5 Ka3 96. Qc5+ Kb3 97. Qe3+ Kb4 {Weighted Error Value: White=0.25/Black=0.29} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.1"]
[White "Chasin, Nico"]
[Black "Matros, Alexander"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2293"]
[BlackElo "2380"]
[Annotator "ChessBase"]
[PlyCount "60"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:03:01]} d6 {[%emt 0:00:00]} 2. e4 {[%emt 0:01:12]} Nf6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:05]} e5 {[%emt 0:00:08]} 4. Nf3 {[%emt 0:00:12]} Nbd7 {[%emt 0:00:08]} 5. g4 {[%emt 0:00:04]} Nxg4 {[%emt 0:00:32]} 6. Rg1 {[%emt 0:00:50]} Ngf6 {[%emt 0:00:54]} 7. Be3 {[%emt 0:01:48]} c6 {[%emt 0:00:52]} 8. Qd2 {[%emt 0:03:55]} b5 {[%emt 0:00:54]} 9. Bd3 {[%emt 0:01:37]} g6 {[%emt 0:11:20]} 10. a4 {[%emt 0:02:44]} b4 {[%emt 0:12:25]} 11. Ne2 {[%emt 0:00:35]} exd4 {[%emt 0:00:16]} 12. Nexd4 {[%emt 0:02:05]} c5 {[%emt 0:00:27]} 13. Ne2 {[%emt 0:02:49]} Bg7 {[%emt 0:01:26]} 14. Bh6 {[%emt 0:04:10]} Bxh6 {[%emt 0:03:58]} 15. Qxh6 {[%emt 0:00:49]} Qe7 {[%emt 0:00:04]} 16. O-O-O {[%emt 0:18:25]} Bb7 {[%emt 0:01:17]} 17. Nd2 {[%emt 0:07:19]} O-O-O {[%emt 0:06:46]} 18. Nc4 {[%emt 0:01:17]} Nb6 {[%emt 0:01:43]} 19. Na5 {[%emt 0:03:06]} Nxa4 {[%emt 0:14:12]} 20. Qh3+ {[%emt 0:04:21]} Kc7 {[%emt 0:42:33]} 21. Nxb7 {[%emt 0:01:37]} Kxb7 {[%emt 0:00:00]} 22. Qg2 {[%emt 0:00:50]} Qe5 {[%emt 0:00:00]} 23. Kd2 {[%emt 0:02:01]} d5 {[%emt 0:00:00]} 24. exd5 {[%emt 0:01:40]} Qxd5 {[%emt 0:00:00]} 25. Qxd5+ {[%emt 0:01:11]} Rxd5 {[%emt 0:00:00]} 26. Kc1 {[%emt 0:00:12]} Nb6 {[%emt 0:00:00]} 27. Ng3 {[%emt 0:00:48]} Re8 {[%emt 0:00:00]} 28. f4 {[%emt 0:01:02]} Kc7 {[%emt 0:00:00]} 29. f5 {[%emt 0:02:39]} g5 {[%emt 0:00:00]} 30. c3 {[%emt 0:01:19]} Re3 {[%emt 0:00:00]} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.2"]
[White "Vijay, Keerthi K."]
[Black "Oberoi, Shelev"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2260"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,-9,-4,-43,-42,-36,-23,-37,-27,-22,16,-52,-27,-23,-28,-63,-25,-21,-23,-28,26,22,20,32,34,22,23,0,0,0,0,0,0,0,67,77,63,36,30,29,41,0,0,0,0,0,0,0,0,-8,-14,-10,22,20,21,0,0,0,0,0,0,-20,-16,-20,0,-17,8,8,17,8,8,9,16,-33,-33,-33,-33,-29,-35,-33,-22,-22,-22,-26,-30,-30,0,0,0,0,0,0,0,0,817,0,0,0,0,0,0,0,0,0,0,-72,-77,-7732,0,0,0,-29963,0,0,0,-29969,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. Nc3 a6 5. d3 Nf6 6. Bg5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} h6 7. Bh4 g5 8. Bg3 {Black has an edge.} b5 9. Bb3 {[#]} d5 $146 ({Predecessor:} 9... Nh5 10. Ne5 Nxg3 11. Nxc6 Qb6 12. hxg3 Qxc6 13. Qe2 Rb8 14. O-O-O Bg7 15. e5 Bb7 {0-1 (34) Cosentino,A (1969)-Manaenkov,V (2423) ICCF email 2013}) 10. a3 (10. h4 $11) 10... Bg7 11. O-O O-O 12. h4 d4 13. hxg5 hxg5 14. Ne2 Ng4 (14... Nh5 $142) 15. Qd2 $11 Bf6 16. Nh2 Nxh2 17. Bxh2 Ne5 18. Bxe5 Bxe5 19. f4 gxf4 20. Nxf4 Qh4 21. Rf3 $1 c4 (21... Kg7 $11) 22. dxc4 $14 Bb7 23. Qe1 Qxe1+ 24. Rxe1 Kg7 25. cxb5 (25. Nd3 $5 {[%cal Rd3e5]} Bd6 26. c5 $14) 25... axb5 26. Nh5+ Kg6 27. Nf4+ Kg7 28. Nd3 Bd6 29. Nf2 Rh8 30. Rd1 Bh2+ 31. Kf1 Be5 32. Ke2 Rh2 33. Rg1 Rh4 34. Kd3 Rc8 35. g4 Ba6 36. Kd2 Rh2 37. Ke1 Rch8 38. g5 R8h4 39. g6 fxg6 40. Bxe6 Rf4 41. Rgg3 (41. Bg4 {looks sharper.} Bb7 42. Rxf4 Bxf4 43. Bf3 Bc1 44. Nd3) 41... Rf6 42. Rxf6 $1 Kxf6 43. Rg1 {Threatens to win with Ng4+.} Kxe6 44. Rxg6+ Kf7 ({Don't go for} 44... Bf6 $2 45. Ng4 $18) 45. Rxa6 $11 {[%mdl 4096] Endgame KRB-KRN} Bg3 46. Ra5 Rxf2 {KRB-KR} 47. Kd1 Rf1+ (47... Rf4 {looks sharper.} 48. Rxb5 Rxe4 49. a4 Ke6 50. a5 Re3) 48. Ke2 Rf2+ (48... Re1+ {feels hotter.} 49. Kd3 Bf2 50. Rxb5 Ke6 51. Rb6+ Kd7) 49. Kd3 Be5 50. Rxb5 Rf3+ 51. Kc4 Bg7 {[%mdl 8192] [#]} (51... Ke6 $11) 52. Rb7+ $2 ({White must play} 52. Rf5+ $1 $18 Rxf5 53. exf5) 52... Kg6 53. a4 Rf2 54. Kb3 (54. Kd3 {is more complex.} Rf3+ 55. Ke2 Re3+ 56. Kd2 Rg3 57. Kd1) 54... d3 55. Rxg7+ $1 Kxg7 56. cxd3 {KR-KP} Kf6 57. a5 (57. Kc3 $1 $11) 57... Ke5 {Strongly threatening ...Kd4.} 58. Kc3 {[%mdl 8192] [#]} (58. Kc4 $17) 58... Rh2 $2 ({Black should try} 58... Kd6 $1 $19 {[%cal Rd6c5]} 59. b4 Kc6) 59. b4 Kd6 (59... Ra2 {keeps more tension.} 60. Kc4 Ra3 61. Kc5 Rxd3 62. b5 Rd1) 60. d4 $2 {[%mdl 8192]} (60. Kc4 $11) 60... Re2 $2 (60... Kc6 61. Kc4 Rc2+ 62. Kd3 Rc1 63. a6 Kb5 64. e5 Kxa6 65. Ke4 Kb7 66. Kd5 Kc7 67. b5 Rc2 68. e6 Rb2 69. Kc5 Rb1 70. e7 Rc1+ 71. Kb4 Kd7 72. e8=R Kxe8 73. Kb3 Kd7 74. Kb4 Kd6 75. Ka4 Rb1 76. Ka5 Kc7 77. d5 Rb2 78. b6+ Kd6 79. b7 Kxd5 80. Ka6 Kc6 81. b8=N+ Rxb8 82. Ka5 Kc5 83. Ka4 Rb6 84. Ka3 Kc4 85. Ka2 Kc3 86. Ka1 Kc2 87. Ka2 Ra6#) 61. Kd3 Re1 (61... Rb2 {is interesting.} 62. Kc4 Rc2+ 63. Kb5 Re2 64. e5+ Kd5) 62. b5 $2 {[%mdl 8192]} (62. d5 $11) 62... Rb1 $2 (62... Ra1 {mates} 63. a6 Ra4 64. Kc3 Kc7 65. e5 Kb6 66. d5 Kxb5 67. e6 Rxa6 68. e7 Ra8 69. Kd4 Re8 70. d6 Kc6 71. Ke5 Kd7 72. Kd5 Rh8 73. Ke5 Rh1 74. Kd4 Re1 75. Kd5 Re2 76. e8=R Rxe8 77. Kc5 Re5+ 78. Kc4 Kxd6 79. Kd4 Re1 80. Kc4 Rd1 81. Kb4 Rd4+ 82. Kb3 Kd5 83. Kc3 Kc5 84. Kb3 Rd3+ 85. Kc2 Kc4 86. Kb2 Rd2+ 87. Kc1 Kc3 88. Kb1 Rd1+ 89. Ka2 Re1 90. Ka3 Ra1#) 63. Kc4 {And now e5+ would win.The position is equal.} Rc1+ 64. Kb4 Rb1+ 65. Kc4 {aiming for e5+.} Rc1+ 66. Kb4 Rb1+ {What a bad dream for Black.  Weighted Error Value: White=0.44/Black=0.37} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "3.3"]
[White "Andrianov, Nikolai"]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2235"]
[Annotator "NA RC"]
[PlyCount "10"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. d5 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 4. cxb5 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 5. b6 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.4"]
[White "Canty, James"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2221"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,43,0,-3,-15,-8,-43,-39,-45,-41,-30,-9,-43,-32,-43,-41,-29,-37,-59,-10,-25,0,-5,0,0,0,0]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Nc3 dxe5 8. dxe5 Nxc3 9. Qxd8+ Nxd8 10. bxc3 Bd7 11. Nd4 {B22: Sicilian: 2 c3.} Rc8 12. Bd2 g6 13. f4 {Black is slightly better.} Bg7 14. Rb1 f6 {[#]} 15. exf6 $146 (15. e6 $5 Nxe6 16. Rxb7 $15) ({Predecessor:} 15. e6 Nxe6 16. Nxe6 Bxe6 17. Rxb7 f5 18. Rxa7 Kf7 19. Bb5 Rhd8 20. a4 Bd5 21. O-O Bxg2 22. Kxg2 Rxd2+ {0-1 (38) Hong,J (2372)-Xu,J (2508) Hefei 2010}) 15... Bxf6 16. h4 h5 17. Bd3 Rg8 18. O-O Rc5 19. g3 Kf7 20. Kh2 {The position is equal.} Bxd4 21. cxd4 Bf5 $1 22. dxc5 {Weighted Error Value: White=0.10/Black=0.08} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "3.5"]
[White "Martin Del Campo C., Roberto"]
[Black "Griffith, Kyron"]
[Result "1/2-1/2"]
[ECO "B15"]
[WhiteElo "2295"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,27,36,23,27,15,45,35,41,35,45,36,55,14,42,37]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 9. Ne2 h5 10. O-O h4 11. Bd2 Nd7 12. Rae1 Nf8 13. Nf4 {[#]} Bd7 $146 ({Predecessor:} 13... Ne6 14. Nxe6 Bxe6 15. Bf5 Qd7 16. Bxe6 Rxe6 17. Rxe6 Qxe6 18. b3 Re8 19. Qd3 g6 {½-½ (47) Istratescu,A (2550)-Svane,R (2613) Playchess.com INT 2020}) 14. Rxe8 {Weighted Error Value: White=0.10/Black=0.11} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.1"]
[White "Matros, Alexander"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2365"]
[Annotator "NA"]
[PlyCount "10"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.2"]
[White "Wang, Tianqi"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2305"]
[BlackElo "2295"]
[Annotator "NA RC"]
[PlyCount "81"]
[EventDate "2021.03.17"]
[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. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:14]} 3. f4 {[%emt 0:00:00]} d5 {[%emt 0:00:21]} 4. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:01:58]} 5. Bb5 {[%emt 0:00:10]} Nge7 {[%emt 0:00:34]} 6. Ne5 {[%emt 0:01:08]} Qd6 {[%emt 0:00:56]} 7. d3 {[%emt 0:17:24]} a6 {[%emt 0:04:50]} 8. Bxc6+ {[%emt 0:01:28]} Nxc6 {[%emt 0:00:04]} 9. Nxc6 {[%emt 0:01:49]} Qxc6 {[%emt 0:01:05]} 10. exd5 {[%emt 0:03:32]} exd5 {[%emt 0:00:09]} 11. Qe2+ {[%emt 0:00:17]} Be7 {[%emt 0:01:41]} 12. O-O {[%emt 0:08:51]} d4 {[%emt 0:01:23]} 13. Re1 {[%emt 0:01:50]} O-O {[%emt 0:00:51]} 14. Qxe7 {[%emt 0:01:22]} dxc3 {[%emt 0:00:10]} 15. bxc3 {[%emt 0:00:36]} Be6 {[%emt 0:10:57]} 16. Be3 {[%emt 0:04:15]} b6 {[%emt 0:08:04]} 17. Qg5 {[%emt 0:01:40]} Rad8 {[%emt 0:16:24]} 18. c4 {[%emt 0:02:17]} Bc8 {[%emt 0:00:59]} 19. Re2 {[%emt 0:11:25]} Rd6 {[%emt 0:18:35]} 20. Rae1 {[%emt 0:05:31]} f5 {[%emt 0:10:41]} 21. Bc1 {[%emt 0:04:48]} Rg6 {[%emt 0:00:43]} 22. Qh4 {[%emt 0:06:15]} Bb7 {[%emt 0:00:10]} 23. Qh3 {[%emt 0:00:17]} Qf6 {[%emt 0:04:17]} 24. Qe3 {[%emt 0:02:41]} Qc6 {[%emt 0:00:31]} 25. Qd2 {[%emt 0:01:04]} Qf6 {[%emt 0:01:40]} 26. Rf2 {[%emt 0:01:05]} h5 {[%emt 0:03:53]} 27. Re5 {[%emt 0:01:50]} h4 {[%emt 0:01:55]} 28. h3 {[%emt 0:00:30]} Rg3 {[%emt 0:00:39]} 29. Bb2 {[%emt 0:00:57]} Qc6 {[%emt 0:00:44]} 30. Re7 {[%emt 0:02:30]} Rf7 {[%emt 0:01:19]} 31. Rxf7 {[%emt 0:00:28]} Kxf7 {[%emt 0:00:03]} 32. Kf1 {[%emt 0:00:07]} b5 {[%emt 0:04:01]} 33. cxb5 {[%emt 0:01:03]} axb5 {[%emt 0:00:03]} 34. Qe2 {[%emt 0:01:00]} Kf8 {[%emt 0:02:50]} 35. Be5 {[%emt 0:15:12]} b4 {[%emt 0:01:41]} 36. Rf3 {[%emt 0:01:41]} Rg6 {[%emt 0:00:34]} 37. Rf2 {[%emt 0:00:34]} Qd5 {[%emt 0:00:36]} 38. Qh5 {[%emt 0:01:14]} Rxg2 {[%emt 0:00:25]} 39. Bd6+ {[%emt 0:00:58]} Kg8 {[%emt 0:00:44]} 40. Qe8+ {[%emt 0:00:06]} Kh7 {[%emt 0:00:03]} 41. Qh5+ {[%emt 0:00:47]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.3"]
[White "Adamson, Robby"]
[Black "Canty, James"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2235"]
[BlackElo "2221"]
[Annotator "ChessBase"]
[PlyCount "231"]
[EventDate "2021.03.17"]
[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. c3 {[%emt 0:00:13]} g6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:00]} 4. cxd4 {[%emt 0:00:05]} d5 {[%emt 0:00:00]} 5. e5 {[%emt 0:00:25]} Bg7 {[%emt 0:00:00]} 6. Nc3 {[%emt 0:00:13]} Nc6 {[%emt 0:00:02]} 7. Bb5 {[%emt 0:00:34]} f6 {[%emt 0:00:08]} 8. Nf3 {[%emt 0:01:27]} e6 {[%emt 0:20:33]} 9. Bxc6+ {[%emt 0:26:26]} bxc6 {[%emt 0:00:06]} 10. O-O {[%emt 0:00:45]} Ne7 {[%emt 0:13:58]} 11. exf6 {[%emt 0:08:46]} Bxf6 {[%emt 0:00:06]} 12. Bg5 {[%emt 0:02:26]} O-O {[%emt 0:08:46]} 13. Bxf6 {[%emt 0:02:46]} Rxf6 {[%emt 0:00:06]} 14. Na4 {[%emt 0:01:52]} Ba6 {[%emt 0:25:34]} 15. Re1 {[%emt 0:00:35]} Qf8 {[%emt 0:00:25]} 16. Nc5 {[%emt 0:04:55]} Bc8 {[%emt 0:00:11]} 17. Rc1 {[%emt 0:05:37]} Rb8 {[%emt 0:03:16]} 18. b3 {[%emt 0:05:25]} Nf5 {[%emt 0:01:15]} 19. Ne5 {[%emt 0:01:10]} Qd6 {[%emt 0:01:18]} 20. Qd2 {[%emt 0:00:59]} a5 {[%emt 0:13:02]} 21. a3 {[%emt 0:05:06]} Ra8 {[%emt 0:00:38]} 22. Re2 {[%emt 0:02:24]} Ba6 {[%emt 0:04:02]} 23. Ree1 {[%emt 0:02:39]} Bc8 {[%emt 0:00:15]} 24. Rc3 {[%emt 0:01:49]} Ra7 {[%emt 0:00:53]} 25. Nxc6 {[%emt 0:03:40]} Rc7 {[%emt 0:04:26]} 26. Ne5 {[%emt 0:03:57]} Rf8 {[%emt 0:01:51]} 27. Rec1 {[%emt 0:00:49]} Qe7 {[%emt 0:00:21]} 28. g3 {[%emt 0:03:25]} Nd6 {[%emt 0:00:32]} 29. a4 {[%emt 0:01:45]} Bb7 {[%emt 0:01:18]} 30. f3 {[%emt 0:02:41]} Nf7 {[%emt 0:00:42]} 31. Nxf7 {[%emt 0:00:31]} Rxf7 {[%emt 0:00:33]} 32. Re3 {[%emt 0:00:14]} Qf6 {[%emt 0:00:50]} 33. f4 {[%emt 0:03:51]} Bc8 {[%emt 0:00:07]} 34. Re5 {[%emt 0:00:17]} Ra7 {[%emt 0:00:46]} 35. Rce1 {[%emt 0:01:01]} Rfe7 {[%emt 0:00:23]} 36. Qc3 {[%emt 0:00:38]} h6 {[%emt 0:00:29]} 37. Qe3 {[%emt 0:01:26]} Kf7 {[%emt 0:00:37]} 38. h4 {[%emt 0:01:19]} h5 {[%emt 0:00:19]} 39. Rg5 {[%emt 0:00:55]} Bd7 {[%emt 0:00:35]} 40. Qc3 {[%emt 0:00:35]} Be8 {[%emt 0:00:20]} 41. Rge5 {[%emt 0:00:47]} Bd7 {[%emt 0:01:01]} 42. Kh2 {[%emt 0:00:35]} Bc8 {[%emt 0:00:17]} 43. R1e2 {[%emt 0:00:48]} Bd7 {[%emt 0:00:05]} 44. Qd2 {[%emt 0:00:48]} Bc8 {[%emt 0:00:14]} 45. Re1 {[%emt 0:00:51]} Bd7 {[%emt 0:00:09]} 46. Rc1 {[%emt 0:00:24]} Be8 {[%emt 0:00:22]} 47. Rg5 {[%emt 0:00:29]} Rec7 {[%emt 0:01:41]} 48. Rc3 {[%emt 0:00:40]} Kf8 {[%emt 0:00:30]} 49. Qe1 {[%emt 0:00:34]} Bf7 {[%emt 0:00:12]} 50. Re5 {[%emt 0:00:17]} Kg7 {[%emt 0:01:46]} 51. Qe3 {[%emt 0:01:50]} Rc6 {[%emt 0:00:00]} 52. Rc1 {[%emt 0:00:49]} Rb6 {[%emt 0:00:00]} 53. Rc3 {[%emt 0:00:27]} Re7 {[%emt 0:00:24]} 54. Kg2 {[%emt 0:00:19]} Ra7 {[%emt 0:00:32]} 55. Rg5 {[%emt 0:01:30]} Rb4 {[%emt 0:00:17]} 56. Re5 {[%emt 0:00:43]} Rb6 {[%emt 0:00:05]} 57. Qe1 {[%emt 0:00:40]} Rb4 {[%emt 0:00:59]} 58. Rd3 {[%emt 0:01:45]} Rb6 {[%emt 0:01:43]} 59. Rd2 {[%emt 0:00:21]} Bg8 {[%emt 0:00:00]} 60. Rde2 {[%emt 0:00:25]} Bf7 {[%emt 0:00:00]} 61. Qd2 {[%emt 0:00:59]} Rb4 {[%emt 0:00:43]} 62. Qd3 {[%emt 0:00:27]} Rb6 {[%emt 0:00:18]} 63. Rb2 {[%emt 0:00:35]} Rb4 {[%emt 0:00:39]} 64. Rc2 {[%emt 0:01:12]} Rb6 {[%emt 0:00:08]} 65. Rc3 {[%emt 0:00:00]} Rb4 {[%emt 0:00:15]} 66. Qe3 {[%emt 0:00:00]} Rb6 {[%emt 0:00:08]} 67. Rg5 {[%emt 0:00:00]} Rb4 {[%emt 0:00:16]} 68. Rd3 {[%emt 0:00:44]} Rb6 {[%emt 0:00:22]} 69. Qe5 {[%emt 0:00:49]} Rb4 {[%emt 0:01:45]} 70. Kf2 {[%emt 0:00:45]} Rb6 {[%emt 0:00:33]} 71. Ke2 {[%emt 0:00:22]} Rb4 {[%emt 0:00:24]} 72. Kd2 {[%emt 0:00:07]} Rb6 {[%emt 0:00:07]} 73. Kc2 {[%emt 0:00:36]} Rb4 {[%emt 0:00:05]} 74. Kb2 {[%emt 0:00:15]} Rb6 {[%emt 0:00:06]} 75. Ka3 {[%emt 0:00:33]} Rb4 {[%emt 0:00:10]} 76. Qxf6+ {[%emt 0:00:08]} Kxf6 {[%emt 0:00:04]} 77. Re5 {[%emt 0:00:05]} Rb6 {[%emt 0:00:29]} 78. Rde3 {[%emt 0:00:56]} Re7 {[%emt 0:00:42]} 79. Rd3 {[%emt 0:00:36]} Ra7 {[%emt 0:00:05]} 80. Ree3 {[%emt 0:00:52]} Rb4 {[%emt 0:00:22]} 81. Rd2 {[%emt 0:00:21]} Re7 {[%emt 0:01:14]} 82. Kb2 {[%emt 0:00:34]} Ra7 {[%emt 0:00:21]} 83. Kc3 {[%emt 0:00:19]} Rc7 {[%emt 0:00:11]} 84. Kc2 {[%emt 0:00:41]} Ra7 {[%emt 0:00:18]} 85. Rc3 {[%emt 0:01:01]} Ke7 {[%emt 0:02:38]} 86. Kd3 {[%emt 0:00:25]} Kf6 {[%emt 0:00:23]} 87. Ke3 {[%emt 0:00:10]} Ke7 {[%emt 0:00:26]} 88. Nd3 {[%emt 0:00:15]} Rb6 {[%emt 0:00:10]} 89. Ne5 {[%emt 0:00:12]} Be8 {[%emt 0:00:22]} 90. Rdd3 {[%emt 0:01:30]} Rab7 {[%emt 0:00:33]} 91. Kd2 {[%emt 0:00:20]} Rb8 {[%emt 0:01:29]} 92. Kc2 {[%emt 0:00:14]} Kd6 {[%emt 0:00:33]} 93. Rc5 {[%emt 0:00:25]} Ra8 {[%emt 0:00:37]} 94. Rdc3 {[%emt 0:00:29]} Rb4 {[%emt 0:00:23]} 95. Rc8 {[%emt 0:00:58]} Rxc8 {[%emt 0:00:38]} 96. Rxc8 {[%emt 0:00:03]} Bxa4 {[%emt 0:00:23]} 97. bxa4 {[%emt 0:00:18]} Rxa4 {[%emt 0:00:07]} 98. Rc6+ {[%emt 0:00:53]} Ke7 {[%emt 0:00:02]} 99. Rc7+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:07]} 100. Rg7 {[%emt 0:00:32]} Rxd4 {[%emt 0:00:17]} 101. Rg8+ {[%emt 0:00:18]} Ke7 {[%emt 0:00:12]} 102. Nc6+ {[%emt 0:00:11]} Kf7 {[%emt 0:00:06]} 103. Nxd4 {[%emt 0:00:06]} Kxg8 {[%emt 0:00:04]} 104. Nxe6 {[%emt 0:00:10]} Kf7 {[%emt 0:00:03]} 105. Nd4 {[%emt 0:00:17]} Ke7 {[%emt 0:00:09]} 106. Kd3 {[%emt 0:02:19]} Kd6 {[%emt 0:00:31]} 107. Kc3 {[%emt 0:00:00]} Kc5 {[%emt 0:00:24]} 108. Nb3+ {[%emt 0:00:06]} Kd6 {[%emt 0:01:07]} 109. Nxa5 {[%emt 0:00:09]} Ke6 {[%emt 0:00:03]} 110. Kd3 {[%emt 0:00:40]} Kf5 {[%emt 0:00:04]} 111. Ke3 {[%emt 0:00:25]} Kg4 {[%emt 0:00:06]} 112. Kf2 {[%emt 0:00:00]} Kh3 {[%emt 0:00:33]} 113. Nb3 {[%emt 0:00:25]} Kh2 {[%emt 0:05:15]} 114. Nd4 {[%emt 0:00:06]} Kh3 {[%emt 0:00:00]} 115. Kf3 {[%emt 0:00:24]} Kh2 {[%emt 0:00:00]} 116. g4 {[%emt 0:00:33]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.4"]
[White "Oberoi, Shelev"]
[Black "Griffith, Kyron"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2199"]
[BlackElo "2372"]
[Annotator "NA"]
[PlyCount "130"]
[EventDate "2021.03.17"]
[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. c3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:04]} 4. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:05]} 5. d4 {[%emt 0:00:12]} e6 {[%emt 0:00:11]} 6. Na3 {[%emt 0:00:28]} Nc6 {[%emt 0:00:16]} 7. Nb5 {[%emt 0:00:38]} Qd8 {[%emt 0:00:06]} 8. dxc5 {[%emt 0:00:06]} Bxc5 {[%emt 0:00:21]} 9. Qxd8+ {[%emt 0:00:06]} Kxd8 {[%emt 0:00:03]} 10. b4 {[%emt 0:09:49]} Be7 {[%emt 0:01:58]} 11. Bg5 {[%emt 0:06:07]} Bd7 {[%emt 0:10:07]} 12. O-O-O {[%emt 0:08:04]} Rc8 {[%emt 0:32:00]} 13. Kb2 {[%emt 0:01:59]} a6 {[%emt 0:13:45]} 14. Nd6 {[%emt 0:06:08]} Bxd6 {[%emt 0:00:35]} 15. Rxd6 {[%emt 0:00:23]} Ke7 {[%emt 0:00:36]} 16. Rd1 {[%emt 0:01:35]} Rhd8 {[%emt 0:07:55]} 17. Bd3 {[%emt 0:14:36]} h6 {[%emt 0:06:43]} 18. Be3 {[%emt 0:02:22]} Nd5 {[%emt 0:00:03]} 19. Bc5+ {[%emt 0:02:44]} Kf6 {[%emt 0:00:12]} 20. Nd2 {[%emt 0:11:23]} g6 {[%emt 0:02:41]} 21. Nc4 {[%emt 0:09:12]} Be8 {[%emt 0:02:42]} 22. Be4 {[%emt 0:03:45]} Rb8 {[%emt 0:10:01]} 23. Nb6 {[%emt 0:12:24]} Nxb6 {[%emt 0:06:14]} 24. Bxb6 {[%emt 0:00:18]} Rxd1 {[%emt 0:00:03]} 25. Rxd1 {[%emt 0:00:01]} Ke7 {[%emt 0:00:41]} 26. a4 {[%emt 0:02:20]} f5 {[%emt 0:00:32]} 27. Bc2 {[%emt 0:01:24]} Rc8 {[%emt 0:02:19]} 28. Bb3 {[%emt 0:01:00]} g5 {[%emt 0:02:15]} 29. Bc5+ {[%emt 0:00:55]} Kf6 {[%emt 0:00:05]} 30. Rd6 {[%emt 0:00:50]} Bf7 {[%emt 0:00:01]} 31. Rd7 {[%emt 0:00:46]} b5 {[%emt 0:00:17]} 32. a5 {[%emt 0:00:49]} Kg6 {[%emt 0:00:23]} 33. Bb6 {[%emt 0:01:32]} h5 {[%emt 0:00:36]} 34. Rd6 {[%emt 0:01:58]} Kf6 {[%emt 0:00:01]} 35. Bd4+ {[%emt 0:00:23]} Ke7 {[%emt 0:00:59]} 36. Bc5 {[%emt 0:00:15]} Kf6 {[%emt 0:00:02]} 37. Bd5 {[%emt 0:00:52]} Nxa5 {[%emt 0:01:06]} 38. Bd4+ {[%emt 0:00:15]} Ke7 {[%emt 0:00:01]} 39. Rxa6 {[%emt 0:00:12]} Nc4+ {[%emt 0:02:38]} 40. Bxc4 {[%emt 0:00:08]} Rxc4 {[%emt 0:00:14]} 41. Ra7+ {[%emt 0:01:34]} Ke8 {[%emt 0:00:48]} 42. Bc5 {[%emt 0:00:22]} Re4 {[%emt 0:00:26]} 43. Rb7 {[%emt 0:02:32]} e5 {[%emt 0:00:01]} 44. Re7+ {[%emt 0:00:12]} Kf8 {[%emt 0:00:02]} 45. Rxe5+ {[%emt 0:00:10]} Kg7 {[%emt 0:00:02]} 46. Rxf5 {[%emt 0:00:55]} Kg6 {[%emt 0:00:19]} 47. Rf3 {[%emt 0:00:39]} Re2+ {[%emt 0:00:32]} 48. Kc1 {[%emt 0:00:32]} Bd5 {[%emt 0:00:29]} 49. Re3 {[%emt 0:01:00]} Rxe3 {[%emt 0:01:10]} 50. Bxe3 {[%emt 0:00:07]} Bxg2 {[%emt 0:00:03]} 51. c4 {[%emt 0:00:26]} bxc4 {[%emt 0:00:05]} 52. Kc2 {[%emt 0:00:04]} Kf5 {[%emt 0:02:36]} 53. Kc3 {[%emt 0:00:38]} Bd5 {[%emt 0:00:13]} 54. Kd4 {[%emt 0:00:09]} Be6 {[%emt 0:00:09]} 55. b5 {[%emt 0:00:30]} Bc8 {[%emt 0:01:12]} 56. Kxc4 {[%emt 0:00:38]} Bb7 {[%emt 0:00:25]} 57. Kc5 {[%emt 0:00:33]} g4 {[%emt 0:00:08]} 58. Kd6 {[%emt 0:00:59]} Ke4 {[%emt 0:00:26]} 59. Bg5 {[%emt 0:00:48]} Kf3 {[%emt 0:00:07]} 60. Bh4 {[%emt 0:00:31]} Kg2 {[%emt 0:00:01]} 61. Bg3 {[%emt 0:00:30]} Kh3 {[%emt 0:00:01]} 62. b6 {[%emt 0:00:34]} h4 {[%emt 0:00:20]} 63. Bf4 {[%emt 0:00:17]} Kg2 {[%emt 0:00:06]} 64. Bg5 {[%emt 0:00:16]} Kh3 {[%emt 0:00:12]} 65. Ke5 {[%emt 0:00:52]} g3 {[%emt 0:00:38]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.5"]
[White "Vijay, Keerthi K."]
[Black "Chasin, Nico"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2260"]
[BlackElo "2293"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,13,32,20,30,-7,0,-14,0,0,0,0,41,38,132,110,144,99,91,89,100,31,51,31,33,50,72,48,110,115,195,167,204,121,105,107,113,39,119,74,83,70,62,23,129,39,464,239,237,81,78,83,297,306,461,474,689,679,682,621,681,677,871,854,1471,1459,2402,2291,6464,6913,5377,1262,29989,29990]} 1. e4 c5 2. Nf3 e6 3. b3 Nf6 4. e5 Nd5 5. Bb2 Nc6 6. c4 Nf4 7. g3 {B40: Sicilian: 2...e6, Unusual lines.} Ng6 8. Qe2 Be7 {[#]} 9. h4 $146 {The position is equal.} ({Predecessor:} 9. Bg2 f6 10. exf6 Bxf6 11. Bxf6 Qxf6 12. Nc3 O-O 13. O-O d6 14. Rad1 e5 15. Nd5 {1-0 (53) Dvalishvili,P (2439)-Reshetnikov,A (2498) Moscow 2014}) 9... f6 10. exf6 Bxf6 11. Nc3 Nd4 12. Nxd4 cxd4 (12... Bxd4 $14 13. O-O-O O-O) 13. Ne4 $1 $16 O-O 14. h5 Ne5 {Black wants to play ...d3.} 15. f4 $36 {[%mdl 2048] Keeping Black busy.} Nc6 {And now ...d3! would win.} 16. O-O-O (16. h6 $16) 16... Be7 $1 $14 17. h6 g6 18. d3 Rb8 19. Kb1 d5 (19... a5 $14) 20. Nf2 $16 b5 (20... Qd6 $16) 21. cxd5 exd5 22. Bh3 (22. Rc1 $18 Rb6 23. Bg2) 22... Bxh3 23. Nxh3 {aiming for Qe6+.} Qd7 24. Nf2 (24. g4 $16) 24... a5 (24... Bb4 $14) 25. Rhe1 Kf7 26. Rc1 {Rxc6! is the strong threat.} Bb4 {Hoping for ...Rbe8.} 27. Rf1 Rfe8 (27... Kg8 $11 {remains equal.}) 28. Qg4 (28. Qf3 $16) 28... Ke7 $2 {[%mdl 8192]} (28... Qxg4 $14 29. Nxg4 Rbc8) 29. Qg5+ (29. f5 $142) 29... Kd6 $18 30. Ng4 $2 (30. a3 $6 Bd2 $14) (30. f5 $1 $18 {is the precise move to win.} Qe7 31. Qf4+ Qe5 32. fxg6 Qxf4 33. gxf4) 30... Qf5 $16 {[#]} 31. Ne5 $1 {[%csl Ge5][%cal Rc1c6]} Ne7 (31... Rbc8 $16) 32. Bxd4 $18 Rbc8 (32... Ba3 {might work better.} 33. Rc2 Rf8 34. Qxf5 Nxf5) 33. g4 (33. Qh4 Rxc1+ 34. Rxc1 Ba3 $18) 33... Rxc1+ (33... Qxg5 $142 34. Nf7+ Kd7 35. Nxg5 (35. fxg5 Rxc1+ 36. Kxc1 Nc6 $11) 35... Ng8 36. Nxh7 Re2 37. Rxc8 Kxc8 38. Rc1+ Kb7) 34. Rxc1 Qxg5 {[#]} 35. Nf7+ $1 {[%mdl 64] Double Attack, Zwischenzug} ({Inferior is} 35. fxg5 Rf8 $11) 35... Kd7 36. Nxg5 ({And not} 36. fxg5 Nc6 $11) 36... Nc6 37. Nxh7 {Strongly threatening Nf6+.} Rc8 38. Nf6+ {[%mdl 64] Double Attack} Kd6 {[#]} 39. h7 $1 Ba3 (39... Rh8 40. Ne4+) 40. Be5+ Ke6 41. Rc2 (41. Ng8 $142 Bxc1 42. h8=Q Nxe5 43. Qxe5+ Kd7 44. Qxd5+ {[%mdl 64] Double Attack} Kc7 45. Ne7 {[%mdl 64] Double Attack}) 41... Bd6 {[#]} 42. Rxc6 $1 {[%mdl 64] Promotion.  Weighted Error Value: White=0.41/Black=0.79} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.1"]
[White "Canty, James"]
[Black "Matros, Alexander"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2221"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,35,40,39,42,19,73,35,46,31,27,28,31,37,219,215,309,316,793,790,29997,29998,29998,29999]} 1. e4 d6 2. d4 Nf6 3. Nc3 c6 4. a4 e5 5. Nf3 Nbd7 6. Bc4 Be7 7. O-O Qc7 8. Re1 h6 {C41: Philidor Defence.} 9. Nh4 g6 (9... exd4 $11 10. Qxd4 Ne5) 10. f4 {[#]} exf4 $146 {White is slightly better.} ({Predecessor:} 10... Kf8 11. Kh1 Kg7 12. fxe5 dxe5 13. Rf1 Rf8 14. Nf3 Bd6 15. Ba2 a6 16. d5 c5 {½-½ (44) Stavast,D-Knol,W Hoogeveen 2004}) 11. e5 dxe5 12. dxe5 Nxe5 13. Qd4 {[%mdl 64] [#] Double Attack} Nfd7 $2 (13... Nxc4 $14 14. Qxf6 Rf8 15. Bxf4 Qb6+ {[%mdl 64] Double Attack} 16. Kh1 Be6 17. Rxe6 fxe6 18. Qxg6+ Rf7) 14. Bxf4 $18 O-O (14... Qb6 $142 15. Bxe5 O-O 16. Qxb6 Nxb6) 15. Rxe5 ({Not} 15. Nxg6 Bc5 $15) 15... Bxh4 {[#]} (15... Bf6) 16. Rg5 $3 {[%mdl 512]} Qb6 (16... Bxg5 17. Bxc7) 17. Rxg6+ {[%mdl 64] Double Attack, Discovered Attack} Kh7 18. Rxh6+ {[%mdl 64] Double Attack. White took control after the opening.  Weighted Error Value: White=0.06/Black=1.49} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "5.2"]
[White "Andrianov, Nikolai"]
[Black "Vijay, Keerthi K."]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2260"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:05:17]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:08]} 3. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:09]} 5. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:07]} 6. Bf4 {[%emt 0:00:11]} a6 {[%emt 0:00:13]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.3"]
[White "Chasin, Nico"]
[Black "Oberoi, Shelev"]
[Result "0-1"]
[ECO "E99"]
[WhiteElo "2293"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,80,93,83,85,100,-3,2,-104,-22,-47,-54,-115,-115,-115,-115,-119,-123,-104,0,0,-15,-447,-447,-452,-451,-451,-445,-445,-445,-446,-445,-462,-445,-456,-440,-476,-476,-476,-476,-476,-458,-476,-483,-532,-533,-29985,-29985,-29990,-29989,-29989,-29990,-29995,-29992,-29992,-29993]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 h5 14. b4 Nf6 15. c5 {E99: King's Indian: Classical Main Line: 9 Ne1 Nd7 10 f3 f5.} g4 16. Bh4 (16. Nb5 $16) 16... g3 $1 $11 17. h3 {[#]} ({Resist} 17. hxg3 Ng6 $14) (17. cxd6 $11 {keeps the balance.} cxd6 18. hxg3) 17... Bh6 $146 (17... Ng6 $17 18. Bg5 Bxh3 {[%mdl 64] Clearance}) ({Predecessor:} 17... Ng6 18. Bg5 Bxh3 19. Qc2 Bc8 20. Nb5 a6 21. cxd6 axb5 22. Qxc7 Qe8 23. Rc2 Nh7 {0-1 (33) Goudriaan,E (2104)-Ootes,L (2219) Venlo 2009}) 18. c6 b6 19. a4 (19. Bc4 $15) 19... Ng6 $17 20. Bxf6 Rxf6 21. Qd2 Nh4 22. Bd3 Bxh3 23. gxh3 $11 {And now Ng2 would win.} Qc8 24. Qg2 {[%mdl 8192] Loses the game.} Nxg2 $19 25. Kxg2 a6 26. Nc2 h4 27. Ra1 Qb8 28. Ra2 Rf8 29. Rb1 Qa7 30. Na3 b5 {Hoping for ...Qd4.} 31. axb5 Qd4 {[%mdl 64] [#] Double Attack} 32. Bf1 Qxc3 33. bxa6 Qe3 34. b5 Rfb8 35. Nc4 Qc5 36. Rab2 {[#]} Rxb5 $3 {Black mates.} 37. Bd3 (37. Nxe5 Rxb2+) 37... Rxb2+ 38. Rxb2 Rxa6 39. Nxe5 Rb6 40. Rc2 Qd4 {Weighted Error Value: White=0.67/Black=0.15} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "5.4"]
[White "Martin Del Campo C., Roberto"]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2235"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} e5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 4. Bxc6 {[%emt 0:00:30]} dxc6 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 6. d4 {[%emt 0:00:30]} exd4 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.5"]
[White "Griffith, Kyron"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2372"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "29"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,29,0,-4,-36,1,0,0,0,38,0,0,-9,0,-12,-10,-20,-16,-11,-18,-20,-2,-45]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. d3 Nf6 6. a4 {B23: Closed Sicilian: Lines without g3.} a6 (6... d5 $5 {[%cal Rd5c4]} 7. Ba2 dxe4 $15) 7. Nf3 d5 8. Ba2 Be7 9. O-O Nc6 {The position is equal.} 10. Bg5 {[#]} Nb4 $146 ({Predecessor:} 10... d4 11. Ne2 h6 12. Bf4 g5 13. Bd2 g4 14. Ne1 h5 15. f4 h4 16. c3 b5 17. cxd4 Nxd4 {½-½ (27) Eschert,U (2323)-Rawlings,A (2368) ICCF email 2016}) 11. Bb1 h6 12. Bd2 Nc6 13. Re1 b6 14. Bf4 Bb7 15. Bg3 {An uneventful encounter.  Weighted Error Value: White=0.11/Black=0.11} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.1"]
[White "Matros, Alexander"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[WhiteElo "2380"]
[BlackElo "2295"]
[Annotator "NA"]
[PlyCount "9"]
[EventDate "2021.03.17"]
[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. Nc3 {[%emt 0:00:00]} c5 {[%emt 0:00:01]} 3. d5 {[%emt 0:00:00]} d6 {[%emt 0:00:16]} 4. e4 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 5. f4 {[%emt 0:01:24]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.2"]
[White "Adamson, Robby"]
[Black "Griffith, Kyron"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2235"]
[BlackElo "2372"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,129,12,31,28,54,52,49,46,64,25,27,18,56,0,-9,-8,-14,-10,10,-15,-13,-12,-10,-11,-9,-8,0,-8,-7,-47,-3,-41,0,-16,-6,-6,-7,-10,-9,-21,-25,-32,-31,-50,-47,-70,-24,-97,-70,-97,-72,-39,-42,-90,-60,-138,-108,-115,-105,-89,-91,-119,-21,-160,-152,-171,-160,-343,-22,-19,0,0,0,-15,40,25,104,104,108,99,97,95,147,109,336,339,991,873,2119,2100,2068,2068,2042,1990,29985,4133,5388,1555,1468,1468,1461,1103,5069,4592,2418,2081,5202,1841,29976,29977,29977,29977,29977,29977,29977,29978,29980,29981,29981,29982,29984,29985]} 1. e4 c6 2. d4 d5 3. f3 g6 4. c3 Bg7 5. Na3 dxe4 6. fxe4 {B12: Caro-Kann: Advance Variation.} e5 7. Nf3 {[#]} exd4 $146 ({Predecessor:} 7... Bg4 8. Bc4 Qe7 9. O-O Nf6 10. dxe5 Nfd7 11. Bg5 Qc5+ 12. Qd4 h6 13. Qxc5 Nxc5 {1-0 (22) Stankovic,M (2442)-Matsenko,A (2257) Cheliabinsk 2021}) 8. Bc4 {White is slightly better.} Nf6 9. e5 (9. Nxd4 O-O $15) 9... Nd5 10. cxd4 b5 {[#]} 11. Bd3 (11. Bg5 $1 $14 Qd7 12. Bb3 (12. Bxd5 Qxd5 13. O-O h6 $14)) 11... O-O 12. O-O Bg4 13. Nc2 Na6 14. Qe1 Bxf3 15. Rxf3 {[#]} Ndb4 $1 16. Qc3 ({But not} 16. Nxb4 Qxd4+ 17. Be3 Qxb4 $17) 16... Nxd3 17. Rxd3 Rc8 18. Be3 Nc7 19. Qc5 ({Wrong is} 19. Qxc6 $2 Nd5 $19) 19... Ne6 20. Qa3 Nc7 21. Bf2 Qd7 22. Rad1 Nd5 23. Bg3 Rfd8 24. R3d2 Nb6 25. Rd3 Bf8 26. Qb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 27. Bh4 Re8 28. Ne1 (28. Ne3 $11 {keeps the balance.}) 28... a4 29. Qc2 Qe6 30. Nf3 {[%cal Be1f3,Bf3d2,Bd2e4,Be4d6][%mdl 32]} h6 31. b3 Nd5 $36 {[%mdl 2048] And now ...Nb4 would win. White is under pressure.} 32. Qf2 (32. Qb1 $15) 32... Nf4 33. Re3 axb3 34. axb3 Ra8 35. Nd2 g5 (35... Nd5 $17 {Strongly threatening ...f5.} 36. Rd3 g5) 36. Bg3 (36. Ne4 $11 {was the only way to keep the balance.} Be7 37. Bg3) 36... Nd5 $17 37. Rf3 Ra2 38. Rf1 $2 (38. Qf1 $17 {was worth a try.}) 38... Re7 $2 (38... Bb4 $19 39. Rd3 Rea8) 39. Qe1 $11 Bg7 40. Ne4 Rea7 41. Nd6 Bf8 (41... Qg6 $11) 42. Nxf7 $14 {Threatens to win with Nd8!} Nf4 (42... Bb4 $11 43. Qb1 Nc3) 43. Bxf4 $16 Rxf7 44. Bg3 Rxf3 45. Rxf3 Qd5 {[#]} ({Black should try} 45... Be7) 46. Bf2 $1 {Qb1 is the strong threat.} Qe6 $2 (46... c5 $16) 47. Qb1 $18 Ra7 $2 (47... Ra8 48. Rf6 Qd7) 48. d5 Qd7 49. Bxa7 Qxa7+ {[%mdl 4096] Endgame KQR-KQB} 50. Kh1 cxd5 51. h3 Qd4 52. e6 (52. Qg6+ $142 Bg7 53. Qf7+ Kh7 54. e6 Qe5 55. e7 g4 56. hxg4 Qe1+ 57. Rf1) 52... Qe4 53. Qxe4 (53. Qf1 $142 Qb4 54. Rf7) 53... dxe4 {KR-KB} 54. Re3 Kg7 55. Rxe4 Be7 56. g4 Kg6 57. Kg2 h5 58. Kf3 (58. gxh5+ $142 Kxh5 59. Re5) 58... hxg4+ 59. hxg4 {White mates.} Kf6 60. Ke2 Bd6 61. Kd3 Bc5 62. Re2 Bd6 63. Kd4 Ke7 64. Kd5 b4 65. Re4 {Quite a comeback for White.  Weighted Error Value: White=0.25/Black=0.58} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.3"]
[White "Oberoi, Shelev"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2199"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,106,-23,-20,16,-37,-18,-21,-16,-30,-23,-19,-14,-58,-51,-48,-50,-99,-62,-80,-76,-80,-79,-87,-95,-93,-82,-155,-155,-187,-191,-189,-183,-182,-185,-201,-205,-205,-198,-307,-316,-313,-277,-327,-320,-447,-446,-446,-439,-427,-418,-698,-661,-820,-819,-796,-786,-717,-683,-806,-770,-12832,-10358,-8180,-6528,-2354,-2013,-29973,-29974,-29981,-29981,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29986,-29986,-29987]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. O-O Be6 10. Bxe6 Qxe6 11. Nxd4 Nxd4 12. Qxd4 Rd8 13. Qh4 Qe2 14. Nd2 {has lost popularity (14.Bd2).} e6 {B22: Sicilian: 2 c3.} 15. Ne4 (15. Qg3 $11) 15... Rd1 {[%csl Ge2][%cal Rd1f1] [#]} 16. Ng3 Rxf1+ {The position is equal.} 17. Nxf1 Be7 18. Qg3 O-O $40 {[%mdl 128] [#] Black has some attack.} 19. b3 $146 ({Predecessor:} 19. Bd2 Rd8 20. Re1 Qa6 21. Bh6 Bf6 22. a3 Rd3 23. Ne3 Qb5 24. h3 Na4 25. Bf4 Qxb2 26. Be5 Qd2 27. Rd1 Qxd1+ {0-1 (27) Hedke,F (2345)-Rabiega,R (2455) Cuxhaven 1993}) 19... Rd8 {[#] And now ...Rd1! would win.} 20. Bg5 f6 21. Bh6 {[%csl Gh6][%cal Rg3g7] Black converts the advantage convincingly.} Bf8 22. Be3 Qb2 23. Bxb6 axb6 24. Qc7 Rd6 ({But not} 24... Qxa1 $6 25. Qxd8 Qxc3 26. Qxb6 $11) 25. Re1 Qxa2 26. Qc4 (26. Qxb7 $142 Qxb3 27. Ra1) 26... Rc6 $17 27. Qb5 Qa5 28. Qxa5 bxa5 $19 {[%mdl 4096] Endgame KRB-KRN} 29. c4 Rb6 30. Ra1 Rxb3 {Hoping for ...Ra3.} 31. Rxa5 b6 32. Rb5 (32. Ra1 $142) 32... Rxb5 33. cxb5 {KB-KN} Kf7 34. Ne3 Bc5 35. Nc2 e5 36. Kf1 Ke6 37. Ke2 Kd5 38. Kd3 (38. Na1 $142) 38... Bxf2 39. Nb4+ Kc5 40. Na6+ Kxb5 41. Nc7+ Kb4 42. Ne8 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 43. Nxg7 Ka3 44. Ne8 b4 45. Nd6 b3 46. Nc4+ Ka2 {Black mates.} 47. g4 b2 48. Nxb2 Kxb2 {KB-KPP} 49. Ke4 Bh4 50. h3 Kc3 51. Ke3 Kc4 52. Ke4 h6 53. Ke3 Kd5 {Weighted Error Value: White=0.65/Black=0.04} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.4"]
[White "Vijay, Keerthi K."]
[Black "Canty, James"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2260"]
[BlackElo "2221"]
[Annotator "NA RC"]
[PlyCount "63"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:05:17]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:10]} Nc6 {[%emt 0:00:00]} 3. b3 {[%emt 0:00:40]} Nf6 {[%emt 0:03:14]} 4. e5 {[%emt 0:00:37]} Nd5 {[%emt 0:00:25]} 5. c4 {[%emt 0:00:31]} Nf4 {[%emt 0:03:06]} 6. g3 {[%emt 0:06:09]} Ng6 {[%emt 0:00:23]} 7. Bb2 {[%emt 0:00:07]} d5 {[%emt 0:03:03]} 8. cxd5 {[%emt 0:07:07]} Qxd5 {[%emt 0:00:16]} 9. Nc3 {[%emt 0:00:02]} Qd8 {[%emt 0:00:42]} 10. Ne4 {[%emt 0:03:32]} Qd5 {[%emt 0:00:20]} 11. Nc3 {[%emt 0:05:59]} Qd8 {[%emt 0:00:02]} 12. Na4 {[%emt 0:01:38]} b6 {[%emt 0:04:27]} 13. Bg2 {[%emt 0:05:28]} Ba6 {[%emt 0:01:16]} 14. d4 {[%emt 0:05:25]} cxd4 {[%emt 0:07:19]} 15. Bxd4 {[%emt 0:00:48]} e6 {[%emt 0:02:18]} 16. a3 {[%emt 0:02:11]} Rc8 {[%emt 0:04:48]} 17. Bb2 {[%emt 0:00:43]} Qc7 {[%emt 0:08:17]} 18. Rc1 {[%emt 0:01:19]} Qb8 {[%emt 0:00:03]} 19. h4 {[%emt 0:20:25]} Be7 {[%emt 0:13:24]} 20. h5 {[%emt 0:00:32]} O-O {[%emt 0:00:08]} 21. hxg6 {[%emt 0:02:36]} Rfd8 {[%emt 0:00:36]} 22. gxf7+ {[%emt 0:01:01]} Kf8 {[%emt 0:00:16]} 23. Nd2 {[%emt 0:13:36]} Nxe5 {[%emt 0:16:32]} 24. Be4 {[%emt 0:00:25]} Bf6 {[%emt 0:05:27]} 25. Rxh7 {[%emt 0:01:21]} Kxf7 {[%emt 0:08:36]} 26. Rxc8 {[%emt 0:00:43]} Rxc8 {[%emt 0:01:30]} 27. Qh5+ {[%emt 0:01:44]} Ke7 {[%emt 0:00:07]} 28. f4 {[%emt 0:00:04]} Qd6 {[%emt 0:06:39]} 29. fxe5 {[%emt 0:00:29]} Rc1+ {[%emt 0:01:30]} 30. Bxc1 {[%emt 0:00:19]} Bxe5 {[%emt 0:00:01]} 31. Qg5+ {[%emt 0:00:21]} Ke8 {[%emt 0:00:52]} 32. Rh8+ {[%emt 0:14:41]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.5"]
[White "Chasin, Nico"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2293"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,0,0,3,3,-10,-3,-31,-15,-33,-27,-20,-25,-23,-8,-16,-20,-33,-33,-126,-110,-102,-88,-175,-168,-177,-118,-135,-127,-172,-168,-184,-165,-175,-162,-173,-164,-172,-162,-161,-164,-171,-166,-165,-186,-177,-182,-215,-212,-206,-206,-228,-221,-218,-200,-307,-297,-376,-372,-377,-365,-344,-223,-218,-211,-240,-238,-202,-183,-357,-357,-357,-357,-385,-356,-381,-354,-359,-333,-310,-174,-174,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-8,-31,-8,-8,-8,-40,-40,-40]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. Bf4 dxc4 6. a4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} Nd5 7. Bg3 e6 {[#]} 8. Qc1 $146 {The position is equal.} ({Predecessor:} 8. e4 Nxc3 9. bxc3 b5 10. Be2 Be7 11. O-O O-O 12. Qc2 Nd7 13. Rfd1 Bb7 14. Qb2 {½-½ (74) Abrahams,D (2162)-Houska,J (2402) Llandudno 2017}) 8... Nd7 9. e4 Nxc3 10. bxc3 b5 11. Be2 Bb7 12. O-O Be7 13. Qb1 Qc8 14. d5 (14. Bd1 $15) 14... cxd5 $17 15. axb5 dxe4 16. bxa6 (16. Ne5 $17) 16... Rxa6 $19 17. Nd2 Rxa1 (17... Bd5 $19 18. Rxa6 Qxa6 19. Nxe4 f5) 18. Qxa1 $17 Bd5 19. Qa2 O-O 20. Bxc4 Qc6 21. Qa6 Qxa6 22. Bxa6 Nc5 23. Bb5 f5 24. Be5 Bf6 25. Bd6 Rc8 ({Much less strong is} 25... Bxc3 26. Bxf8 Kxf8 27. Rd1 $15) 26. Bxc5 Rxc5 {[%mdl 64] [#] Double Attack} 27. c4 Ba8 28. Rb1 Kf7 29. Kf1 Ke7 30. g3 Rc7 31. Nb3 g5 32. Ke2 (32. Rd1 $142) 32... f4 33. Nd2 Ra7 34. c5 Ra2 35. Bc4 Rb2 36. Rxb2 Bxb2 37. gxf4 gxf4 $19 {[%mdl 4096] Endgame KBB-KBN} 38. Bb5 f3+ 39. Kd1 $2 {[#]} (39. Ke3 {was forced.}) 39... Bd5 $1 40. c6 Kd8 41. Ba4 Bd4 42. Bc2 e3 43. fxe3 Bxe3 44. Bxh7 {intending Be4.} f2 (44... Bxc6 $142 {aiming for ...Ba4+.} 45. Nf1 Bb6) 45. Nf1 Bd4 (45... Bf3+ $19 46. Kc2 Bc5) 46. Ke2 $15 Bxc6 {...Bg2 is the strong threat.} 47. Bd3 Bg2 48. h4 $1 Ke7 {Threatens to win with ...Kf6.} 49. h5 $1 Kf6 {And now ...Kg5 would win.} 50. h6 Kg5 51. Ne3 Bh3 52. Kf3 Kxh6 {Hoping for ...Bxe3.} 53. Ng4+ Bxg4+ 54. Kxg4 {Whites escaped into a draw.  Weighted Error Value: White=0.20/Black=0.16} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "7.1"]
[White "Griffith, Kyron"]
[Black "Matros, Alexander"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2372"]
[BlackElo "2380"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2021.03.17"]
[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]} Nc6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:00]} e5 {[%emt 0:00:32]} 5. Nb5 {[%emt 0:00:00]} d6 {[%emt 0:00:10]} 6. c4 {[%emt 0:00:00]} Be7 {[%emt 0:00:26]} 7. N1c3 {[%emt 0:00:08]} a6 {[%emt 0:00:08]} 8. Na3 {[%emt 0:00:04]} Nf6 {[%emt 0:01:07]} 9. Be2 {[%emt 0:00:33]} Be6 {[%emt 0:01:10]} 10. Be3 {[%emt 0:01:52]} O-O {[%emt 0:00:58]} 11. O-O {[%emt 0:00:04]} Rc8 {[%emt 0:01:39]} 12. Rc1 {[%emt 0:01:44]} Ne8 {[%emt 0:06:46]} 13. Qd2 {[%emt 0:03:03]} h6 {[%emt 0:01:22]} 14. Rfd1 {[%emt 0:04:52]} Bg5 {[%emt 0:01:09]} 15. Nc2 {[%emt 0:01:05]} Bxe3 {[%emt 0:35:29]} 16. Qxe3 {[%emt 0:02:39]} Qa5 {[%emt 0:01:27]} 17. a3 {[%emt 0:08:13]} Qc5 {[%emt 0:00:24]} 18. Qd2 {[%emt 0:00:04]} Nf6 {[%emt 0:07:51]} 19. b4 {[%emt 0:05:35]} Qb6 {[%emt 0:10:28]} 20. h3 {[%emt 0:27:24]} Rfd8 {[%emt 0:00:41]} 21. Rb1 {[%emt 0:00:24]} Rd7 {[%emt 0:11:41]} 22. Bf1 {[%emt 0:10:34]} Ne7 {[%emt 0:03:05]} 23. Ne3 {[%emt 0:02:01]} Nc6 {[%emt 0:00:02]} 24. Nc2 {[%emt 0:10:25]} Ne7 {[%emt 0:00:21]} 25. Ne3 {[%emt 0:06:45]} Nc6 {[%emt 0:00:20]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "7.2"]
[White "Canty III, James"]
[Black "Chasin, Nico"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "2293"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2021.03.17"]
[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. c3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. e5 {[%emt 0:00:00]} Nd5 {[%emt 0:00:19]} 4. d4 {[%emt 0:00:00]} Nc6 {[%emt 0:01:22]} 5. Nf3 {[%emt 0:00:00]} cxd4 {[%emt 0:00:14]} 6. cxd4 {[%emt 0:00:00]} d6 {[%emt 0:00:08]} 7. Nc3 {[%emt 0:00:00]} dxe5 {[%emt 0:00:22]} 8. dxe5 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:09]} 9. Qxd8+ {[%emt 0:00:00]} Nxd8 {[%emt 0:00:08]} 10. bxc3 {[%emt 0:00:03]} Bd7 {[%emt 0:00:10]} 11. Nd4 {[%emt 0:00:03]} Rc8 {[%emt 0:00:16]} 12. Bd2 {[%emt 0:00:03]} g6 {[%emt 0:00:22]} 13. f4 {[%emt 0:00:03]} Bg7 {[%emt 0:00:12]} 14. Rb1 {[%emt 0:00:04]} O-O {[%emt 0:03:28]} 15. Bd3 {[%emt 0:00:31]} b6 {[%emt 0:01:32]} 16. h4 {[%emt 0:01:29]} f6 {[%emt 0:01:39]} 17. exf6 {[%emt 0:00:38]} Bxf6 {[%emt 0:00:07]} 18. h5 {[%emt 0:00:06]} Bxd4 {[%emt 0:00:05]} 19. cxd4 {[%emt 0:00:05]} Bf5 {[%emt 0:00:13]} 20. Ke2 {[%emt 0:01:12]} Ne6 {[%emt 0:01:44]} 21. Be3 {[%emt 0:02:07]} Nxf4+ {[%emt 1:28:00]} 22. Bxf4 {[%emt 0:00:02]} Bxd3+ {[%emt 0:00:00]} 23. Kxd3 {[%emt 0:00:02]} Rxf4 {[%emt 0:00:00]} 24. hxg6 {[%emt 0:00:05]} hxg6 {[%emt 0:00:00]} 25. Rbc1 {[%emt 0:00:06]} Rd8 {[%emt 0:00:00]} 26. Rc7 {[%emt 0:01:49]} Rfxd4+ {[%emt 0:00:00]} 27. Ke3 {[%emt 0:00:05]} R4d7 {[%emt 0:00:00]} 28. Rhc1 {[%emt 0:00:01]} Kf7 {[%emt 0:00:00]} 29. a4 {[%emt 0:00:46]} Rd3+ {[%emt 0:00:00]} 30. Ke2 {[%emt 0:01:08]} Rd2+ {[%emt 0:00:00]} 31. Ke3 {[%emt 0:00:14]} R8d3+ {[%emt 0:00:00]} 32. Ke4 {[%emt 0:00:06]} Rd7 {[%emt 0:00:00]} 33. Rf1+ {[%emt 0:00:41]} Ke6 {[%emt 0:00:00]} 34. Rc6+ {[%emt 0:00:05]} R7d6 {[%emt 0:00:00]} 35. Rc7 {[%emt 0:00:27]} R2d4+ {[%emt 0:00:00]} 36. Kf3 {[%emt 0:00:10]} Rxa4 {[%emt 0:00:00]} 37. Re1+ {[%emt 0:00:05]} Kf5 {[%emt 0:00:00]} 38. Rexe7 {[%emt 0:00:46]} a5 {[%emt 0:00:00]} 39. Re8 {[%emt 0:00:33]} Ra3+ {[%emt 0:09:00]} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "7.3"]
[White "Martin Del Campo C., Roberto"]
[Black "Krishnamoorthy, Vijay"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[Annotator "NA"]
[PlyCount "11"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:09:52]} 2. Nf3 {[%emt 0:00:00]} a6 {[%emt 0:00:06]} 3. c3 {[%emt 0:00:00]} d5 {[%emt 0:00:07]} 4. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:03]} Bg4 {[%emt 0:00:24]} 6. Be2 {[%emt 0:00:23]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "7.4"]
[White "Andrianov, Nikolay"]
[Black "Oberoi, Shelev"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1816"]
[BlackElo "2161"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2021.03.17"]
[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. Nf3 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:44]} 4. e3 {[%emt 0:00:02]} c5 {[%emt 0:01:49]} 5. Be2 {[%emt 0:01:33]} cxd4 {[%emt 0:02:25]} 6. exd4 {[%emt 0:00:14]} d5 {[%emt 0:03:33]} 7. c3 {[%emt 0:03:49]} O-O {[%emt 0:03:42]} 8. O-O {[%emt 0:00:40]} Nc6 {[%emt 0:00:59]} 9. Nbd2 {[%emt 0:09:51]} Nh5 {[%emt 0:06:59]} 10. Be3 {[%emt 0:00:39]} Qd6 {[%emt 0:04:00]} 11. Re1 {[%emt 0:00:32]} b6 {[%emt 0:05:01]} 12. Nf1 {[%emt 0:07:45]} Bd7 {[%emt 0:05:52]} 13. Qd2 {[%emt 0:03:08]} e5 {[%emt 0:13:24]} 14. dxe5 {[%emt 0:02:22]} Nxe5 {[%emt 0:01:49]} 15. Nxe5 {[%emt 0:04:35]} Qxe5 {[%emt 0:00:39]} 16. Bf3 {[%emt 0:04:21]} Qd6 {[%emt 0:07:11]} 17. Bxd5 {[%emt 0:00:54]} Qc7 {[%emt 0:08:25]} 18. Bxa8 {[%emt 0:00:46]} Rxa8 {[%emt 0:00:12]} 19. Bd4 {[%emt 0:05:05]} Bc6 {[%emt 0:03:15]} 20. Bxg7 {[%emt 0:00:44]} Kxg7 {[%emt 0:00:50]} 21. Rad1 {[%emt 0:09:08]} Qc8 {[%emt 0:10:48]} 22. Ng3 {[%emt 0:05:51]} Nf6 {[%emt 0:01:45]} 23. Qd4 {[%emt 0:08:59]} Qb7 {[%emt 0:01:20]} 24. f3 {[%emt 0:00:42]} Qa6 {[%emt 0:00:19]} 25. a3 {[%emt 0:04:33]} Qb5 {[%emt 0:00:21]} 26. Re5 {[%emt 0:02:47]} Qa4 {[%emt 0:01:26]} 27. c4 {[%emt 0:07:00]} h6 {[%emt 0:00:42]} 28. Nf5+ {[%emt 0:01:38]} Kh7 {[%emt 0:01:21]} 29. Re7 {[%emt 0:01:26]} Rf8 {[%emt 0:00:35]} 30. Nd6 {[%emt 0:03:29]} Kg7 {[%emt 0:00:22]} 31. Rc7 {[%emt 0:01:23]} Ba8 {[%emt 0:01:28]} 32. Re1 {[%emt 0:01:05]} Qc2 {[%emt 0:01:21]} 33. h3 {[%emt 0:03:40]} g5 {[%emt 0:01:26]} 34. Ne8+ {[%emt 0:01:49]} Rxe8 {[%emt 0:01:13]} 35. Rxe8 {[%emt 0:00:02]} Bxf3 {[%emt 0:00:22]} 36. gxf3 {[%emt 0:00:13]} Qc1+ {[%emt 0:00:32]} 37. Kf2 {[%emt 0:00:22]} Qh1 {[%emt 0:00:23]} 38. Rc6 {[%emt 0:01:59]} Qh2+ {[%emt 0:00:53]} 39. Ke1 {[%emt 0:00:31]} Qg3+ {[%emt 0:00:05]} 40. Kd2 {[%emt 0:00:25]} Qg2+ {[%emt 0:00:19]} 41. Re2 {[%emt 0:00:14]} Qxf3 {[%emt 0:00:02]} 42. Qxf6+ {[%emt 0:00:15]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "7.5"]
[White "Wang, Tianqi"]
[Black "Adamson, Robby"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2307"]
[BlackElo "2239"]
[Annotator "ChessBase"]
[PlyCount "44"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:04:28]} 2. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:19]} 3. Bb5 {[%emt 0:00:00]} Nd4 {[%emt 0:00:22]} 4. Nf3 {[%emt 0:00:00]} a6 {[%emt 0:00:08]} 5. Bd3 {[%emt 0:00:04]} g6 {[%emt 0:00:35]} 6. b4 {[%emt 0:02:03]} d6 {[%emt 0:07:50]} 7. bxc5 {[%emt 0:10:36]} dxc5 {[%emt 0:00:29]} 8. h3 {[%emt 0:00:13]} Bg7 {[%emt 0:00:22]} 9. O-O {[%emt 0:00:43]} e6 {[%emt 0:21:01]} 10. Re1 {[%emt 0:02:57]} Ne7 {[%emt 0:00:53]} 11. Rb1 {[%emt 0:03:32]} Nec6 {[%emt 0:02:13]} 12. Bf1 {[%emt 0:06:29]} Qa5 {[%emt 0:06:08]} 13. Bb2 {[%emt 0:12:42]} O-O {[%emt 0:05:05]} 14. a3 {[%emt 0:15:28]} Rd8 {[%emt 0:07:08]} 15. Nxd4 {[%emt 0:02:49]} Bxd4 {[%emt 0:03:22]} 16. Qf3 {[%emt 0:10:24]} Be5 {[%emt 0:07:01]} 17. Qe3 {[%emt 0:07:04]} Nd4 {[%emt 0:09:05]} 18. Rbc1 {[%emt 0:00:59]} b5 {[%emt 0:00:09]} 19. Kh1 {[%emt 0:00:33]} Qc7 {[%emt 0:01:57]} 20. g3 {[%emt 0:01:05]} Bb7 {[%emt 0:01:05]} 21. Bg2 {[%emt 0:00:10]} Nc6 {[%emt 0:06:19]} 22. Nd1 {[%emt 0:01:42]} b4 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.1"]
[White "Matros, Alexander"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2380"]
[BlackElo "2305"]
[Annotator "ChessBase"]
[PlyCount "41"]
[EventDate "2021.03.17"]
[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. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. Bf4 {[%emt 0:00:12]} g6 {[%emt 0:00:00]} 4. e3 {[%emt 0:00:10]} Bg7 {[%emt 0:00:00]} 5. h4 {[%emt 0:00:31]} h5 {[%emt 0:00:05]} 6. Nf3 {[%emt 0:00:16]} Bg4 {[%emt 0:00:07]} 7. Be2 {[%emt 0:03:26]} Bxf3 {[%emt 0:00:30]} 8. Bxf3 {[%emt 0:00:14]} c6 {[%emt 0:00:04]} 9. Qd3 {[%emt 0:02:36]} Nbd7 {[%emt 0:00:11]} 10. O-O-O {[%emt 0:00:37]} Qa5 {[%emt 0:03:34]} 11. Kb1 {[%emt 0:01:09]} O-O-O {[%emt 0:03:47]} 12. e4 {[%emt 0:02:44]} dxe4 {[%emt 0:16:51]} 13. Nxe4 {[%emt 0:01:04]} Nxe4 {[%emt 0:00:50]} 14. Qxe4 {[%emt 0:00:58]} e6 {[%emt 0:11:15]} 15. Rhe1 {[%emt 0:01:33]} Nf6 {[%emt 0:01:34]} 16. Qe5 {[%emt 0:04:17]} Qxe5 {[%emt 0:01:16]} 17. Bxe5 {[%emt 0:01:15]} Ne8 {[%emt 0:00:25]} 18. c4 {[%emt 0:00:21]} Bxe5 {[%emt 0:00:50]} 19. dxe5 {[%emt 0:00:03]} Rxd1+ {[%emt 0:02:11]} 20. Rxd1 {[%emt 0:00:21]} Ng7 {[%emt 0:01:10]} 21. Be4 {[%emt 0:01:00]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.2"]
[White "Oberoi, Shelev"]
[Black "Adamson, Robby"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2199"]
[BlackElo "2235"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:03:26]} 2. c3 {[%emt 0:00:09]} d5 {[%emt 0:00:50]} 3. exd5 {[%emt 0:00:16]} Qxd5 {[%emt 0:00:01]} 4. Nf3 {[%emt 0:00:16]} Nc6 {[%emt 0:00:13]} 5. d4 {[%emt 0:00:14]} Bf5 {[%emt 0:00:15]} 6. Be3 {[%emt 0:01:20]} cxd4 {[%emt 0:00:52]} 7. Nxd4 {[%emt 0:01:49]} Nf6 {[%emt 0:00:12]} 8. Qb3 {[%emt 0:09:11]} Nxd4 {[%emt 0:09:59]} 9. Bxd4 {[%emt 0:02:47]} Qe4+ {[%emt 0:05:42]} 10. Be3 {[%emt 0:04:01]} Be6 {[%emt 0:08:22]} 11. Qb5+ {[%emt 0:07:18]} Bd7 {[%emt 0:01:49]} 12. Nd2 {[%emt 0:01:15]} Qc6 {[%emt 0:12:03]} 13. Qxc6 {[%emt 0:00:55]} Bxc6 {[%emt 0:00:34]} 14. Nc4 {[%emt 0:00:39]} Nd5 {[%emt 0:02:04]} 15. Ne5 {[%emt 0:03:27]} Nxe3 {[%emt 0:01:18]} 16. fxe3 {[%emt 0:00:21]} e6 {[%emt 0:09:09]} 17. a4 {[%emt 0:12:56]} Bc5 {[%emt 0:04:32]} 18. Bb5 {[%emt 0:01:36]} Bxb5 {[%emt 0:23:46]} 19. axb5 {[%emt 0:00:26]} Ke7 {[%emt 0:12:14]} 20. Ke2 {[%emt 0:00:33]} Rhd8 {[%emt 0:00:50]} 21. Nd3 {[%emt 0:06:40]} Rdc8 {[%emt 0:00:31]} 22. Ra4 {[%emt 0:01:50]} Bd6 {[%emt 0:01:16]} 23. h3 {[%emt 0:04:09]} Bc5 {[%emt 0:00:36]} 24. c4 {[%emt 0:04:02]} Bb6 {[%emt 0:00:39]} 25. Rc1 {[%emt 0:00:40]} Bc7 {[%emt 0:00:38]} 26. c5 {[%emt 0:02:42]} Bb8 {[%emt 0:00:37]} 27. Rca1 {[%emt 0:01:27]} f5 {[%emt 0:00:01]} 28. g4 {[%emt 0:01:29]} g6 {[%emt 0:00:00]} 29. gxf5 {[%emt 0:00:49]} exf5 {[%emt 0:00:16]} 30. b6 {[%emt 0:01:56]} a6 {[%emt 0:00:18]} 31. b4 {[%emt 0:00:47]} Bh2 {[%emt 0:00:28]} 32. b5 {[%emt 0:05:52]} a5 {[%emt 0:00:07]} 33. Rxa5 {[%emt 0:01:12]} Rab8 {[%emt 0:01:48]} 34. Rh1 {[%emt 0:06:20]} Bg3 {[%emt 0:00:20]} 35. Kf3 {[%emt 0:00:13]} Bh4 {[%emt 0:00:01]} 36. Ra7 {[%emt 0:01:26]} Ke6 {[%emt 0:00:40]} 37. Nf4+ {[%emt 0:05:54]} Ke5 {[%emt 0:00:30]} 38. Ra4 {[%emt 0:03:35]} Be7 {[%emt 0:00:47]} 39. Nd3+ {[%emt 0:00:23]} Ke6 {[%emt 0:00:05]} 40. Rc1 {[%emt 0:00:27]} g5 {[%emt 0:00:11]} 41. Rac4 {[%emt 0:01:06]} h5 {[%emt 0:00:45]} 42. c6 {[%emt 0:00:25]} bxc6 {[%emt 0:01:22]} 43. Rxc6+ {[%emt 0:00:42]} Kd7 {[%emt 0:00:41]} 44. Ne5+ {[%emt 0:00:17]} Kd8 {[%emt 0:00:01]} 45. Rc7 {[%emt 0:01:18]} g4+ {[%emt 0:00:15]} 46. hxg4 {[%emt 0:00:10]} hxg4+ {[%emt 0:00:06]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.3"]
[White "Vijay, Keerthi K."]
[Black "Griffith, Kyron"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2260"]
[BlackElo "2372"]
[Annotator "ChessBase"]
[PlyCount "115"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:06:42]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:16]} d5 {[%emt 0:00:00]} 3. f3 {[%emt 0:00:08]} g6 {[%emt 0:00:00]} 4. c4 {[%emt 0:00:47]} dxe4 {[%emt 0:01:15]} 5. fxe4 {[%emt 0:00:08]} e5 {[%emt 0:00:38]} 6. Nf3 {[%emt 0:02:46]} exd4 {[%emt 0:00:34]} 7. Qxd4 {[%emt 0:00:09]} Qxd4 {[%emt 0:00:47]} 8. Nxd4 {[%emt 0:00:07]} Bg7 {[%emt 0:00:46]} 9. Nb3 {[%emt 0:00:19]} a5 {[%emt 0:02:17]} 10. Nc3 {[%emt 0:05:06]} a4 {[%emt 0:04:57]} 11. Nc5 {[%emt 0:00:25]} a3 {[%emt 0:00:54]} 12. Rb1 {[%emt 0:01:11]} Nf6 {[%emt 0:08:43]} 13. bxa3 {[%emt 0:17:32]} Nfd7 {[%emt 0:04:32]} 14. N3a4 {[%emt 0:01:06]} O-O {[%emt 0:09:32]} 15. Bd3 {[%emt 0:03:58]} Rd8 {[%emt 0:27:40]} 16. Be2 {[%emt 0:15:27]} Bf8 {[%emt 0:14:45]} 17. Nxd7 {[%emt 0:06:43]} Nxd7 {[%emt 0:00:27]} 18. Bd1 {[%emt 0:00:10]} Nc5 {[%emt 0:01:00]} 19. Nxc5 {[%emt 0:01:55]} Bxc5 {[%emt 0:00:03]} 20. Bc2 {[%emt 0:12:12]} b6 {[%emt 0:02:19]} 21. Bb2 {[%emt 0:07:54]} Be6 {[%emt 0:00:46]} 22. Bb3 {[%emt 0:02:41]} Rd3 {[%emt 0:00:41]} 23. Rd1 {[%emt 0:01:15]} Re3+ {[%emt 0:00:40]} 24. Kd2 {[%emt 0:00:02]} Rxe4 {[%emt 0:01:25]} 25. Rhe1 {[%emt 0:00:07]} Rg4 {[%emt 0:02:53]} 26. g3 {[%emt 0:00:09]} Bxc4 {[%emt 0:01:53]} 27. Kc2 {[%emt 0:00:37]} Bxa3 {[%emt 0:01:41]} 28. Bxa3 {[%emt 0:05:11]} Rxa3 {[%emt 0:00:04]} 29. Rd8+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:03]} 30. Kb2 {[%emt 0:00:06]} Ra7 {[%emt 0:01:28]} 31. h3 {[%emt 0:00:02]} Bxb3 {[%emt 0:01:20]} 32. hxg4 {[%emt 0:00:05]} Bd5 {[%emt 0:01:06]} 33. a3 {[%emt 0:00:32]} Ra4 {[%emt 0:00:21]} 34. g5 {[%emt 0:00:07]} Rg4 {[%emt 0:00:03]} 35. Re5 {[%emt 0:01:41]} b5 {[%emt 0:01:17]} 36. Re3 {[%emt 0:04:52]} Rxg5 {[%emt 0:00:21]} 37. Kc3 {[%emt 0:00:06]} Rg4 {[%emt 0:00:17]} 38. Kd2 {[%emt 0:00:02]} h5 {[%emt 0:00:37]} 39. Ke2 {[%emt 0:00:48]} Rc4 {[%emt 0:01:37]} 40. Kf2 {[%emt 0:00:19]} Kf6 {[%emt 0:00:25]} 41. Rde8 {[%emt 0:01:51]} Kg5 {[%emt 0:01:00]} 42. Rh8 {[%emt 0:00:56]} Kg4 {[%emt 0:00:22]} 43. Rhe8 {[%emt 0:00:02]} f5 {[%emt 0:01:15]} 44. R8e7 {[%emt 0:00:06]} g5 {[%emt 0:00:54]} 45. Rg7 {[%emt 0:00:03]} Be4 {[%emt 0:00:27]} 46. Rg8 {[%emt 0:01:15]} Rc2+ {[%emt 0:00:32]} 47. Kf1 {[%emt 0:00:44]} Bf3 {[%emt 0:01:23]} 48. Rb3 {[%emt 0:00:50]} Be4 {[%emt 0:02:18]} 49. Rg7 {[%emt 0:00:21]} Bg2+ {[%emt 0:01:05]} 50. Ke1 {[%emt 0:00:20]} Bd5 {[%emt 0:00:03]} 51. Rd3 {[%emt 0:00:07]} Rb2 {[%emt 0:01:05]} 52. Rc3 {[%emt 0:00:17]} f4 {[%emt 0:00:48]} 53. gxf4 {[%emt 0:00:39]} Kxf4 {[%emt 0:00:01]} 54. Rg6 {[%emt 0:01:25]} g4 {[%emt 0:00:42]} 55. Rh6 {[%emt 0:00:18]} Kg5 {[%emt 0:00:04]} 56. Rh7 {[%emt 0:00:55]} h4 {[%emt 0:00:01]} 57. Rd3 {[%emt 0:00:43]} h3 {[%emt 0:00:15]} 58. Rd1 {[%emt 0:04:18]} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.4"]
[White "Chasin, Nico"]
[Black "Martin Del Campo C., Roberto"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2293"]
[BlackElo "2295"]
[Annotator "ChessBase"]
[PlyCount "81"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:08]} Nf6 {[%emt 1:30:30]} 2. c4 {[%emt 0:00:05]} d6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:01:01]} Bf5 {[%emt 0:00:00]} 4. f3 {[%emt 0:01:04]} e5 {[%emt 0:00:00]} 5. d5 {[%emt 0:00:58]} e4 {[%emt 0:00:00]} 6. Be3 {[%emt 0:08:55]} h5 {[%emt 0:00:00]} 7. g3 {[%emt 0:01:37]} Nbd7 {[%emt 0:00:00]} 8. Nh3 {[%emt 0:05:08]} Qe7 {[%emt 0:00:00]} 9. Qd4 {[%emt 0:04:41]} exf3 {[%emt 0:00:00]} 10. exf3 {[%emt 0:00:10]} Ne5 {[%emt 0:00:00]} 11. Kf2 {[%emt 0:05:02]} g6 {[%emt 0:00:00]} 12. Bg5 {[%emt 0:30:12]} Bg7 {[%emt 0:00:00]} 13. Qh4 {[%emt 0:07:36]} O-O {[%emt 0:00:00]} 14. Ng1 {[%emt 0:07:33]} Rfe8 {[%emt 0:00:00]} 15. Rd1 {[%emt 0:00:26]} Bc2 {[%emt 0:00:00]} 16. Rd2 {[%emt 0:06:46]} Nfg4+ {[%emt 0:00:00]} 17. fxg4 {[%emt 0:02:01]} f6 {[%emt 0:00:00]} 18. Bf4 {[%emt 0:01:52]} g5 {[%emt 0:00:00]} 19. Qxh5 {[%emt 0:01:23]} Bg6 {[%emt 0:00:00]} 20. Qh3 {[%emt 0:01:26]} gxf4 {[%emt 0:00:00]} 21. Re2 {[%emt 0:05:03]} Bd3 {[%emt 0:00:00]} 22. gxf4 {[%emt 0:01:22]} Bxe2 {[%emt 0:00:00]} 23. Bxe2 {[%emt 0:00:10]} Ng6 {[%emt 0:00:00]} 24. Qg3 {[%emt 0:00:35]} f5 {[%emt 0:00:00]} 25. gxf5 {[%emt 0:00:47]} Nh4 {[%emt 0:00:00]} 26. Qd3 {[%emt 0:01:10]} Qf6 {[%emt 0:00:00]} 27. Bg4 {[%emt 0:01:25]} Re7 {[%emt 0:00:00]} 28. Nge2 {[%emt 0:00:51]} Rae8 {[%emt 0:00:00]} 29. Rg1 {[%emt 0:00:20]} Kf8 {[%emt 0:00:17]} 30. Rg3 {[%emt 0:00:11]} Qh6 {[%emt 0:02:00]} 31. Nd1 {[%emt 0:01:33]} Re4 {[%emt 0:04:44]} 32. Rh3 {[%emt 0:01:39]} Bf6 {[%emt 0:04:00]} 33. b3 {[%emt 0:00:23]} R8e7 {[%emt 0:00:27]} 34. Bf3 {[%emt 0:01:12]} Rxe2+ {[%emt 0:00:40]} 35. Bxe2 {[%emt 0:00:08]} Qxf4+ {[%emt 0:00:01]} 36. Kg1 {[%emt 0:01:27]} Nxf5 {[%emt 0:00:50]} 37. Nf2 {[%emt 0:01:16]} Bd4 {[%emt 0:01:27]} 38. Rf3 {[%emt 0:00:01]} Rg7+ {[%emt 0:00:03]} 39. Kh1 {[%emt 0:00:07]} Bxf2 {[%emt 0:04:31]} 40. Qxf5+ {[%emt 0:00:07]} Kg8 {[%emt 0:00:00]} 41. Rxf2 {[%emt 0:00:06]} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.5"]
[White "Andrianov, Nikolai"]
[Black "Canty, James"]
[Result "1/2-1/2"]
[WhiteElo "2365"]
[BlackElo "2221"]
[Annotator "NA"]
[PlyCount "9"]
[EventDate "2021.03.17"]
[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. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 3. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:24]} Be7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:08]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.1"]
[White "Adamson, Robby"]
[Black "Matros, Alexander"]
[Result "1/2-1/2"]
[WhiteElo "2235"]
[BlackElo "2380"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,14,26,16,48,13,16]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 a6 {[#] Strongly threatening ...Nxd4. 6...Ng6 is a critical line. B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} 7. Nxc6 Nxc6 {[#] A rather calm draw. Not enough moves} {Predecessor:} 8. Bd3 $146 Bc5 9. Qe2 d6 10. Be3 O-O 11. Nd2 e5 12. Bc4 Qe7 13. c3 Bxe3 14. Qxe3 {1-0 (64) Kobalia,M (2614)-Maghsoodloo,P (2676) Lichess.org INT 2020} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.2"]
[White "Martin Del Campo C., Roberto"]
[Black "Andrianov, Nikolai"]
[Result "1/2-1/2"]
[WhiteElo "2295"]
[BlackElo "2365"]
[Annotator "NA RC"]
[PlyCount "13"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} e5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. Nxe5 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 5. Qe2 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 6. d3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 7. Bg5 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.22"]
[Round "9.3"]
[White "Griffith, Kyron"]
[Black "Chasin, Nico"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "2372"]
[BlackElo "2293"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,49,25,56,27,75,65,66,66,62,30,28,19,37,0,14,0,0,0,0,0,-12,-75,0,-41,-44,-32,0,0,18,-25,-19,-18,-31,-23,-37,-52,0,3,64,62,125,79,96,43,150,-15,113,0,0,-8,-27,-18,-20,-26,-21,-25,54,0,281,89,104,104,167,156,185,0,0,0,0,0,0,0,0,0,0,-616,-602,-29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Nxc6 Qxc6 {B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} 8. a4 Bc5 {[#]} 9. Bxc5 $146 (9. Bd4 {keeps more tension.} Nf6 10. e5 Ng8 11. Be2 Ne7 12. Bf3) ({Predecessor:} 9. Qg4 Kf8 10. Qg5 Be7 11. Qa5 Nf6 12. f3 Rb8 13. Bb6 d6 14. Be2 h6 15. O-O {0-1 (54) Mitkov,N (2470)-Cramling,P (2510) Las Palmas 1995}) 9... Qxc5 {White is slightly better.} 10. Qg4 g6 11. Bd3 d6 12. O-O Bd7 13. Kh1 h5 14. Qe2 h4 15. h3 Nf6 16. Qe1 g5 17. b4 (17. f3 $11 {keeps the balance.}) 17... Qe5 (17... Qxb4 $17 18. Rb1 Qc5) 18. b5 Ke7 19. Rb1 a5 20. Nd1 g4 21. hxg4 (21. f4 $5 {[%cal Rf4e5]} Qd4 22. e5 $11) 21... Nxg4 {[%csl Gg4][%cal Re5h2]} 22. f4 Qd4 23. Be2 Rag8 {aiming for ...h3.} 24. Bf3 h3 (24... Rh6 $15) 25. g3 $11 Qxa4 (25... h2 $11) 26. Qe2 $1 $14 Nf6 ({Black should try} 26... Nh6 $14) 27. e5 $16 Ne8 28. c4 (28. Kh2 $16) 28... Qa3 (28... Rxg3 $14 29. Nc3 Qa3 30. exd6+ Nxd6) 29. Nf2 $2 (29. Kh2 $16) 29... dxe5 {[#]} (29... Rxg3 $11 30. Ne4 Rg2 $1 {[%mdl 64] Decoy} 31. Bxg2 hxg2+ 32. Kxg2 Qh3+ 33. Kf2 dxe5) 30. fxe5 (30. Ra1 $1 $16 {[%cal Ra1a3]} Qc5 31. fxe5) 30... Rxg3 $11 31. Ne4 {[#]} Rg2 {[%cal Rg2e2][%mdl 64] Decoy} 32. Bxg2 hxg2+ 33. Kxg2 Qh3+ 34. Kf2 {Black must now prevent Qe3.} Rh4 (34... Qh2+ $11 35. Ke1 Qxe5) 35. Ke1 (35. Nd2 $1 $14) 35... Rg4 $2 {[%mdl 8192]} (35... Rh5 $11 {and Black has nothing to worry.} 36. Rd1 Rxe5 37. Rxd7+ Kxd7 38. Nf6+ {[%mdl 64] Discovered Attack} Nxf6 39. Qxe5 Qh4+ {[%mdl 64] Double Attack} 40. Kd2 Ne4+ 41. Ke3 Nd6) 36. Nd2 $2 (36. Kd2 $18 {and the rest is easy.}) 36... Ng7 $16 37. Rb3 Qh5 (37... Qh4+ $16 {was worth a try.} 38. Qf2 Nf5) 38. Rd3 Nf5 {[#]} 39. Qf2 ({White has to play} 39. Kd1 $1 $18) 39... Nd4 $1 $11 40. Qf6+ Ke8 {( -> ...Re4+!)} 41. Nf3 Nxf3+ $40 {[%mdl 128] Black is up to no good.} 42. Rdxf3 {[%cal Rf6f7]} (42. Qxf3 $2 Qxe5+ 43. Kd2 Qb2+ 44. Kd1 f5 $19) 42... Rxc4 43. Kd2 {[%cal Rf6f7]} Bxb5 {Hoping for ...Qh7.} 44. Rd3 $2 {[%mdl 8192]} ({Wrong is} 44. Qxf7+ $2 Qxf7 45. Rxf7 Rd4+ 46. Ke3 Bxf1 $19) (44. R1f2 $11) 44... Rc8 $19 45. Rg3 {Threatens to win with Rg8+.} Qe2# {Black used his chance.  Weighted Error Value: White=0.65/Black=0.36} 0-1

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.22"]
[Round "9.4"]
[White "Wang, Tianqi"]
[Black "Vijay, Keerthi K."]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2305"]
[BlackElo "2260"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,65,15,65,21,37,20,30,22,36,16,2,-25,4,-39,-20,-41,-45,-71,-66,-69,-14,-27,12,-29,4,-43,0,-31,-18,-58,-41,-60,-53,-91,0,0,12,27,94,46,44,49,88,88,84,82,86,73,132,64,84,83,48,70,166,172,396,391]} 1. e4 c5 2. Nc3 a6 3. g3 b5 4. Bg2 Bb7 5. d3 e5 6. Nh3 {B23: Closed Sicilian: Lines without g3.} d6 7. O-O Nf6 8. f4 {[#] White has an edge.} Nbd7 $146 ({Predecessor:} 8... Be7 9. g4 b4 10. Ne2 exf4 11. Nexf4 O-O 12. g5 Nfd7 13. Qh5 Ne5 14. Nd5 Nbd7 {1-0 (24) Guseinov,G (2665)-Ioannidis,E (2411) Tornelo INT 2020}) 9. f5 b4 10. Ne2 d5 11. Nf2 dxe4 12. dxe4 c4 13. g4 Bc5 {[#] ...Nxg4 is the strong threat.} 14. Ng3 $1 h5 (14... h6 $15) 15. gxh5 $11 Bd4 16. Bg5 c3 17. b3 Qb6 18. Qf3 a5 19. h3 a4 20. bxa4 Rxa4 21. Kh2 Nc5 (21... Ba6 $17 22. Nd3 O-O) 22. Be3 Bxe3 23. Qxe3 Nxh5 (23... Qc7 $11 {keeps the balance.}) 24. Nxh5 $16 Rxh5 25. Nd3 Nd7 26. Qxb6 Nxb6 27. Nc5 Ra7 {[#]} 28. Rfb1 $1 $36 {[%cal Rb1b4][%mdl 2048] White is really pushing.} Na4 (28... Nd7 $142 29. Nxb7 Rxb7) 29. Nd3 (29. Nxb7 $16 Rxb7 30. a3) 29... Ba6 {Threatens to win with ...Bxd3.} 30. Nxb4 Rh6 31. Nd5 Rb7 ({Black should play} 31... Bb7 $14) 32. Rb3 $18 {Strongly threatening f6.} Rc6 (32... Nb6 {was necessary.} 33. Rd1 (33. Nxc3 Rc7 $16) (33. Rxc3 Nxd5 34. exd5 Rf6 $16) 33... Bc4) 33. Nb4 {Weighted Error Value: White=0.17/Black=0.38} 1-0

[Event "Charlotte Spring IM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.5"]
[White "Canty, James"]
[Black "Oberoi, Shelev"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "2221"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,21,25,57,53,65,70,57,64,66,66,59,48,96,79,81,75,134,138,133,123,202,180,179,179,179,185,176,187,224,224,222,222,200,209,218,202,179,182,200,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 exd3 {A23: English Opening: 1...e5 2 Nc3 Nf6 3 g3 c6.} 8. Qxd3 Nc6 9. Bg2 Be7 {White is slightly better.} 10. O-O O-O 11. Bf4 Qb6 {[#]} 12. Rad1 $146 ({Predecessor:} 12. Ndb5 Be6 13. a3 a6 14. Nc7 Rad8 15. N7xd5 Nxd5 16. Bxd5 Qa5 17. e4 Bxd5 18. Nxd5 {0-1 (33) Hryzlova,S (1940)-Aghasiyev,K (2441) chess.com INT 2020}) 12... Be6 13. Nxe6 fxe6 14. Bh3 Nb4 ({Black should play} 14... Kh8) 15. Qb5 {And now Qxb6 would win.} Kf7 16. a3 Na6 (16... Nc6 $16) 17. Qxb6 axb6 18. Nb5 Ne8 19. e4 dxe4 20. Rfe1 Nf6 21. Nd4 Nc5 22. b4 e5 23. Bxe5 Nd3 24. Be6+ Kg6 {[#]} 25. Bf5+ $1 {[%mdl 64] Double Attack} Kf7 26. Be6+ $2 (26. Bxf6 $18 Bxf6 27. Rxe4) 26... Kg6 $11 27. Bf5+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.18/Black=0.15} 1/2-1/2

