[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "1.1"]
[White "Bodek, Michael"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2418"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,39,9,0,0,3,0,22,19,14,-62,-62,-56,-66,-171,0,0,19,25,41,50,19,11,16,34,58,7,15,4,8,0]} 1. e4 {Primel,D} c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. c5 Be7 7. Bb5+ {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} Bd7 8. Bxd7+ Nfxd7 9. b4 b6 {[#]} 10. Bf4 $146 (10. Rb1 $11) ({Predecessor:} 10. Rb1 O-O 11. Nge2 bxc5 12. bxc5 Nc6 13. Qa4 Rc8 14. O-O Nf6 15. Bf4 Nh5 16. Be3 {½-½ (36) Klaman,K-Koblencs,A Leningrad 1946 EXT 2010 [Primel,D]}) 10... a5 $1 $15 11. Nb5 {[#] aiming for Nc7+.} O-O 12. Rc1 (12. Nc7 $1 $15 Ra7 13. Nb5) 12... e5 $2 (12... axb4 13. c6 Nxc6 14. Rxc6 $15) (12... Nc6 $19 13. Bc7 Qc8 14. cxb6 {[#]} Qa6 $1) 13. dxe5 $11 Nc6 14. Nf3 bxc5 15. bxc5 ({Much worse is} 15. Qxd5 Qb6 16. a4 (16. Qxd7 $2 Qxb5 17. Qg4 Nd4 $19) 16... Rad8 $11) 15... Nxc5 16. O-O {next Be3 is good for White.} Nb4 17. Be3 Ne6 18. Qd2 (18. a3 $14 Qd7 19. Nc3 (19. axb4 Qxb5 20. bxa5 Rxa5 $11)) 18... Qd7 $1 19. Nbd4 Rfc8 20. Rxc8+ {Weighted Error Value: White=0.25 (precise) /Black=0.18 (very precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "1.2"]
[White "Mista, Aleksander"]
[Black "Lee, Michael"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2551"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,124,0,0,27,36,35,33,32,0,0,0,0,0,0,0,15,10,16,0,0,0,0,0,16,19,29,0,74,52,83,107,125,116,107,97,125,124,183,78,54,41,65,27,31,-40,-10,-35,0,0,0,0,0,0,22,22,22,17,18,25,24,20,63,63,63,48,63,27,27,27,166,51,591,588,592,592,592,592,391,389,1440,1168,1117,1073,3037,2866,2525,2177,29975,29976,29974,29972,29978,29976,29983,29984,29984,29985,29986,29987,29987]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be7 13. Kb1 O-O 14. Ne4 Nxe4 {B19: Classical Caro-Kann: 4...Bf5 main line.} 15. Qxe4 Nf6 16. Qe2 {[%cal Og2g4]} Qd5 {White is slightly better.} 17. Be3 Qb5 ({Much less strong is} 17... Nxh5 18. g4 Nf6 19. g5 $16) 18. Rd3 Nd5 {[%cal Od5c3] Strongly threatening ...Nc3+!} (18... Nxh5 $2 19. Ne5 f6 20. Ng6 $18) 19. Bd2 {To avoid Nc3+} c5 20. dxc5 {Black must now prevent Ne5.} Qxc5 21. Ne5 Rac8 22. c4 Bf6 23. Rc1 Nb6 24. Ng4 $36 {[%mdl 2048] [#] White has some pressure.} Bg5 $146 ({Predecessor:} 24... Be7 25. b3 Rcd8 26. Ne5 Rxd3 27. Nxd3 Qc6 28. Qf3 Qxf3 29. gxf3 Rd8 30. Kc2 Nd7 31. Be3 Rc8 32. a4 {½-½ (32) Schroeder,C (2230)-Larwinski,P (2327) FICGS email 2019}) 25. f4 Be7 26. Rg3 Qf5+ (26... Bh4 $11 27. Rh3 (27. Nxh6+ Kh7 $11) 27... Be7) 27. Ka1 $16 Kh7 28. Ne5 Bf6 29. Rb3 {aiming for g4. White is more active.} Bxe5 30. fxe5 Rc5 31. Re3 $1 Rd8 {[#]} (31... Rc7 $16 {was necessary.}) 32. b3 (32. g4 $1 $18 {[%cal Rg4f5] and the rest is easy.} Rxd2 33. gxf5 (33. Qxd2 Qg5 $16) 33... Rxe2 34. Rxe2) 32... Rd4 33. g3 (33. Rf3 $5 {[%cal Rf3f5]} Qxh5 34. Qf2 Rxd2 35. Qxd2 $14) 33... Qg4 34. Qf2 Kg8 35. Ree1 ({White should try} 35. Kb2 $1 $14) 35... Rc7 (35... Rc8 $5 {[%cal Rd4d3]}) 36. Bf4 Rd3 (36... Rcd7 $5 {[%cal Rg4h5]}) 37. Qe2 Qxe2 38. Rxe2 Rcd7 39. Kb2 Nc8 40. Rc3 Rd1 41. Rcc2 Kf8 42. Rcd2 Ke8 43. Rxd7 Kxd7 (43... Rxd7 $11 44. Rd2 Nb6) 44. Rd2+ $1 $14 Rxd2+ 45. Bxd2 {[%mdl 4096] Endgame KB-KN} Ne7 46. g4 {[%cal Bg3g4,Bg4g5,Bg5h6][%mdl 32] To avoid Nf5} Nc6 47. Bc3 g6 {[#] White now steadily converts the win.} (47... a6 $11 {and Black stays safe.}) 48. g5 $1 $18 Ke8 $2 {[%mdl 8192]} (48... hxg5 $2 49. h6 f5 50. h7 $18) (48... gxh5 $14 49. gxh6 Ne7) 49. gxh6 {Threatening mate with h7.} Kf8 50. hxg6 fxg6 51. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Kg8 52. b5 Nd8 (52... Ne7 53. Bb4 Nc8) 53. Bd4 a6 54. a4 {[%cal Ba2a4,Ba4b5,Bb5c6,Bc6c7][%mdl 32] Threatens to win with Be3.} Kh7 55. Be3 Nf7 56. c5 {White threatens c6 and mate.} axb5 57. axb5 {White mates.} Nxe5 58. Kc3 Nd7 59. Kd4 Kg8 60. c6 bxc6 61. bxc6 Nb8 62. c7 Nc6+ {Weighted Error Value: White=0.09 (flawless) /Black=0.39} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "1.3"]
[White "Mishra, Abhimanyu"]
[Black "Korley, Kassa"]
[Result "1-0"]
[ECO "A73"]
[WhiteElo "2505"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,180,38,42,63,56,74,83,70,79,64,77,85,83,76,73,99,100,123,119,106,97,131,125,121,125,132,117,116,116,134,68,138,138,142,141,142,95,109,95,97,8,8,8,81,75,82,79,103,103,103,103,104,103,106,0,111,113,234,234,234,234,270,234,270,270,270,270,270,262,260,253,253,253,253,234,253,252,241,241,253,253,253,253,253,253,253,253,253,253,253,253,301,253,253,253,253,253,295,253,253,253,253,253,300,253,253,253,344,253,253,253,337,254,319,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,253,234,234,234,234,234,234,220,220,220,220,220,220,220,29965,29967,29967,29966,29968,29966,29973,29974,29973,29974,29969,29970,29976,29977,29976]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Na6 10. O-O Nc7 11. a4 b6 12. Nc4 {12.Re1 is more fashionable.} Ba6 13. Bg5 Bxc4 {A73: Modern Benoni: Classical: Unusual Black 9th moves.} 14. Bxc4 a6 {[%cal Ob6b5] [#]} 15. e5 $146 ({Predecessor:} 15. Qe2 Re8 16. f3 h6 17. Bd2 Nd7 18. Rab1 Qf6 19. Kh1 Reb8 20. b4 Qd4 21. Nd1 {½-½ (69) Schmidt,W (2386)-Szoen,D (2447) Lublin 2009}) 15... dxe5 {White is better.} 16. d6 $1 Nce8 17. d7 {White is much more active.} Qxd7 18. Qxd7 Nxd7 19. Be7 {This bishop pair is nice.} Bf6 20. Bxf8 Nxf8 21. Rad1 $36 {[%mdl 2048] To avoid Nd6. White is really pushing.} Kg7 22. Nd5 {To avoid Nc7} b5 23. axb5 axb5 24. Bxb5 Ne6 25. Rfe1 Rb8 26. Bc6 h5 27. Rd3 (27. Kf1 $16) 27... Nd4 (27... e4 $1 $14 28. Rxe4 Bxb2) 28. Bxe8 $16 Rxe8 29. Rc3 Ne6 30. Rf3 ({White should play} 30. Kf1) 30... Bg5 31. Rxe5 Rb8 {To avoid Rb3} 32. b3 (32. g3 $16) 32... c4 $1 $11 {[%cal Oe6d4]} 33. h4 cxb3 34. hxg5 $16 b2 35. Nc3 {[#] aiming for Nb1.} b1=Q+ 36. Nxb1 Rxb1+ {[%mdl 4096] Endgame KRR-KRN} 37. Kh2 {Ra3 is the strong threat.} Rb4 38. Rg3 Rb2 39. Rf3 Rb4 40. Ra3 Rb2 {Black cannot hold the game after this.} (40... Rh4+ $16 {keeps fighting.} 41. Kg1 Rg4) 41. Ra7 $18 {Hoping for Rxe6.} Kg8 42. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} Rc2 43. Kg3 Rb2 44. Ra4 Kg7 45. Rc4 Ra2 46. f4 Ra3+ 47. Kf2 Ra2+ 48. Kf3 Ra1 49. g3 Ra3+ 50. Re3 Ra7 51. Rd3 Ra8 52. Rd7 Ra3+ 53. Kg2 {Black must now prevent Rc6.} Ra2+ 54. Kh3 {Strongly threatening Rc6.} Ra3 55. Rb4 Rc3 56. Kg2 Rc2+ 57. Kf1 {Threatens to win with Rbb7.} Rc5 58. Rdb7 Rc1+ 59. Kg2 Rc2+ 60. Kh3 Rc3 61. Re7 Re3 {[%cal Oe6g5]} 62. Ra7 Rd3 63. Re4 {Intending Rxe6 and mate.} Kg8 64. Kg2 Rd2+ 65. Kf1 Rd3 66. Kf2 Rd2+ 67. Ke3 Rg2 68. Kf3 Rd2 69. Rb4 Rd8 {Prevents Rb8.} 70. Rbb7 Nd4+ 71. Kf2 Rf8 72. Ra4 Ne6 73. Rba7 Kg7 74. Re7 Kg8 75. Ke3 Ng7 {And now ...Nf5+ would win.} 76. Kf3 Nf5 77. Rea7 Re8 78. Ra8 Rxa8 79. Rxa8+ {KR-KN} Kg7 80. Ra5 Nd6 81. Rd5 Nf5 82. Rd3 Kf8 83. Ke4 Ke8 $2 {[#]} (83... Kg7 $18 84. Kf3 Kf8) 84. Ke5 $1 {White mates.} Ke7 85. Ra3 Ng7 86. Ra8 Ne8 87. Ra7+ Kf8 88. Rd7 Ng7 89. f5 gxf5 90. g6 fxg6 {Weighted Error Value: White=0.12 (very precise) /Black=0.15 (very precise)} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "1.4"]
[White "Panjwani, Raja"]
[Black "Liang, Jason"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2436"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,29,29,18,29,25,21,25,15,21,24,16,21,0,0,-5,-12,-12,0,-13,-6,-4,14,-9,0,0,0,0,0,0,0,-20,-24,-80,-49,-52,-58,-40,-37,-94,-95,-112,-103,-139,-132,-281,-283,-418,-420,-975,-594,-1199,-953,-29997,466,-983,-955,-1813,-1520,-29968,-29967,-5402,-5018,-29988,-4910]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nf6 7. g3 b6 8. Bg2 {The position is equal.} Bb7 9. O-O O-O {[#]} 10. Ne5 $146 ({Predecessor:} 10. cxd5 Bxd5 11. Qc2 h6 12. Rac1 Rc8 13. e4 Bb7 14. e5 Nd5 15. Nc4 Nd7 16. Rfd1 {1-0 (44) Lysyj,I (2635)-Moroni,L (2564) Skopje 2019}) 10... c5 11. Qb3 dxc4 12. Ndxc4 {Black must now prevent Bxb7.} Bxg2 13. Kxg2 b5 14. Qf3 Ra7 15. Na5 $132 {[%mdl 2048] Hoping for Nac6. White is not keeping still} Qd6 16. Rfd1 {Threatens to win with Nb7.} cxd4 17. Nec6 Nxc6 18. Nxc6 Rc7 19. Nxd4 Qb6 20. Qb3 Rc4 21. e3 (21. Qe3 $11) 21... Qb7+ 22. f3 Rfc8 23. Rd2 $1 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 24. h3 {[#]} (24. Re1 $15) 24... h5 $1 $17 25. Qd1 g4 26. Nb3 Nd5 {Black is more active.} 27. Kh2 (27. Qe2 $17 gxf3+ 28. Qxf3 Nxe3+ 29. Kf2 Qxf3+ 30. Kxf3) 27... Nxe3 $19 28. Qg1 (28. Qe2 $142 Qxf3 29. Qxf3 gxf3 30. Re1) 28... Qxf3 29. Rb1 (29. Re1 $142 Nf5 30. Qg2) 29... Nf5 {Strongly threatening ...h4.} 30. Re1 Rc2 {( -> ...Rxd2+)} 31. Rf2 Qe3 $4 {[%mdl 8192] [#]} 32. Nd2 $1 {[%mdl 8704]} Qd3 33. Qg2 h4 {[%cal Rh4g3]} 34. gxh4 g3+ 35. Kh1 Nxh4 36. Qg1 Rxd2 {Weighted Error Value: White=1.32/Black=0.41} (36... Kf8 $142 37. Ref1 gxf2 38. Qxf2 Nf5 39. Rd1 Ne3 40. Qf6 Rxd2 41. Rxd2 Qxd2 42. Qh8+ Ke7 43. Qh4+ Kd7 44. Qd4+ Qxd4 45. Kg1 Qxb2 46. h4 Qg2#) 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "1.5"]
[White "Ostrovskiy, Aleksandr"]
[Black "Guo, Arthur"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2409"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,56,0,0,0,14,17,22,22,3,16,12,13,8,0,0,0,0,0,12,-5,-10,-72,-77,-77,0,-69,-65,-65,-69,-64,-56,-120,-131,-352,-352,-530,-533,-1195,-1170,-2187,-1965]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 d6 8. f4 Be6 9. fxe5 dxe5 (9... Bxc4 $2 10. Qxd4 Bxf1 11. exf6 $18) 10. Na3 {C50: Hungarian Defence and Giuoco Pianissimo.} Qe7 11. Bxf6 gxf6 12. c3 {The position is equal.} Bxc4 {12...Nc6 is the fancy move.} 13. Nxc4 Ne6 14. b4 {[%mdl 1024] Prevents Qc5+. White has compensation.} Nf4 15. g3 Qe6 16. Ne3 {[#]} Nh3+ $146 ({Predecessor:} 16... Qb6 17. Qf3 Ne6 18. Kg2 O-O-O 19. Nd5 Qa6 20. Rae1 Rd6 21. Qe2 Qxe2+ 22. Rxe2 c6 23. Nxf6 {½-½ (30) Namitbir,S (1616)-Sanket,C (1820) Jalandhar 2017}) 17. Kh1 {Black must now prevent Nd5.} Ng5 18. Qd3 Rd8 {[%cal Ba8d8,Bd8d3,Bd3d2][%mdl 32]} 19. Qb5+ (19. Nd5 $11 {remains equal.}) 19... c6 $17 20. Qxb7 Nxe4 ({Better is} 20... O-O $17 21. Nf5 Nxe4 22. Qxa7 c5) 21. Nf5 (21. b5 $11) 21... O-O $1 $15 22. Qxa7 Nd2 (22... Nxc3 23. Qe3 Qc4 24. Qf3 $11 (24. Qh6 $2 Qe4+ 25. Kg1 Ne2+ 26. Kf2 Qxf5+ $19)) 23. Rf2 Rd3 $36 {[%mdl 2048] Prevents Qe3. Black is more active.} 24. Qe7 (24. Nh6+ $15 Kh8 25. Qc5) 24... Re8 $1 $17 ({Resist} 24... Rxc3 25. Nh6+ Kg7 26. Rxd2 $1 $18 (26. Nf5+ Kg8 $16)) 25. Qa7 {[#] Loses the game.} (25. Qxe6 $17 {might work better.} fxe6 26. Nh4) 25... Ne4 $1 $19 ({Worse is} 25... Rxc3 26. Nh6+ Kg7 27. Rxd2 $15) 26. Rff1 (26. Kg1 $142) 26... Qd5 {( -> ...Nf2+). Black is clearly winning.} 27. Kg1 {[#] To avoid Nf2} Ng5 $1 {[%cal Rg5h3]} 28. h4 {[#]} Rd2 $1 {Weighted Error Value: White=0.89/Black=0.04 (flawless)} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "2.1"]
[White "Dragun, Kamil"]
[Black "Guo, Arthur"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2590"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,99,0,0,0,23,9,19,15,16,16,9,17,10,6,27,0,15,0,0,-29,-36,-43,30,5,8,4,111,105,104,106,106,105,100,47,92,78,87,31,143,143,169,123,122,31,31,31,31,31,102,116,123,124,118,85,118,118,383,383,1097,1097,1083,1083,1075,912,1083,1075,912,409,647,409,5591,5345,7962,7962,29957,29961,588,29964,29963,29964,29964,29966,29966,29964,29974,29974,29971,29970]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. e3 O-O 6. Bd2 b6 7. cxd5 exd5 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} a6 9. Bd3 Bb7 10. O-O {The position is equal.} Nbd7 11. Ne5 Nxe5 12. dxe5 Nd7 13. f4 (13. Qh5 g6 14. Qh3 Nxe5 $17) 13... Nc5 14. Bb1 {Black should prevent a3.} d4 $1 15. Ne2 {[%csl LRb4,LRd4]} (15. Qh5 $2 g6 16. Qe2 dxc3 $19) 15... Qd5 $1 {[%csl Gb7][%cal Rd5g2]} 16. Rf3 (16. e4 Nxe4 $1 17. Bxe4 (17. Bxb4 $2 Nc3 $19) 17... Qxe4 $17) (16. Rf2 {seems wilder.} dxe3 17. Bxe3 Qxd1+ 18. Rxd1 Rfd8 19. Rff1) 16... Bxd2 17. Qxd2 dxe3 {[#]} (17... d3 $15 18. Nc3 Qd7) 18. Qxd5 $146 (18. Qxe3 {is interesting.} a5 19. Nc3 Qd7 20. Rf2 Rad8 21. a3) ({Predecessor:} 18. Qxe3 Rad8 19. b4 Ne6 20. Rg3 Qd2 21. Kf2 Qxe3+ 22. Kxe3 Rfe8 23. f5 Nf8 24. Kf4 {1-0 (33) Pratyusha,B (2265)-Du,Y (2015) Shaoxing 2019}) 18... Bxd5 19. Rxe3 f5 (19... a5 $1 $11) 20. Nd4 $16 g6 21. b4 Ne6 22. Nxe6 Bxe6 23. Rxc7 (23. Rc6 $16 Rad8 24. Kf2 (24. Rxe6 Rd1+ 25. Kf2 Rxb1 $14)) 23... Rfd8 (23... Rfc8 $14 {is more appropriate.} 24. Re7 Rc1+ 25. Kf2 Rxb1 26. Rxe6 Rxb4) 24. Bd3 Bxa2 25. e6 (25. Be2 $16) 25... b5 (25... Bxe6 26. Rxe6 Rxd3 27. Rxb6 $16) (25... Rdc8 $14 26. Rb7 (26. Rxc8+ Rxc8 27. Bxa6 Re8 $11) 26... b5) 26. e7 {White is much more active.} Re8 {[%cal Oa2c4]} 27. g4 (27. Be2 $18) 27... Bc4 28. gxf5 ({Better is} 28. Bb1 $16 a5 29. gxf5 axb4 30. Be4 (30. fxg6 Ra1 $14) 30... Ra1+ 31. Kf2) 28... Bxd3 $14 29. Rxd3 $16 {[%mdl 4096] Endgame Hoping for f6. KRR-KRR} Kf7 30. Rd8 {Strongly threatening Rxa8.} Kf6 (30... a5 $14) 31. fxg6 hxg6 {[#]} 32. Rxa8 Rxa8 {[#] KR-KR} 33. Ra7 $3 {[%mdl 512]} Re8 34. Rxa6+ Kxe7 $2 {[%mdl 8192] This costs Black the game.} (34... Kf7 $16 {was worth a try.}) 35. Rxg6 $18 Rc8 $2 (35... Kd7 36. h4 Re4) 36. Rg5 Rc4 37. Rxb5 Rxf4 38. Kg2 Kd6 39. Kg3 Rd4 40. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} Kc6 (40... Ke6 $142 41. Rb6+ Kf5) 41. Rb8 {h5 is the strong threat.} Kc7 (41... Rd3+ $142 42. Kf2 Kc7) 42. Rf8 Rxb4 43. h5 {Intending h6 and mate.} Rb1 44. h6 ({Not} 44. Rf7+ Kd6 45. Kh4 (45. h6 Rh1 $11) 45... Ke6 $18) 44... Rh1 {[#]} 45. Rh8 $1 Rg1+ {White mates.} 46. Kf4 Rf1+ 47. Kg5 Rg1+ 48. Kf6 Kb7 49. Rh7+ ({Worse is} 49. h7 Rh1 $11) 49... Kc6 50. Rg7 {Weighted Error Value: White=0.14 (very precise) /Black=0.41} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "2.2"]
[White "Liang, Jason"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "2419"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,131,20,21,28,18,17,-25,-23,-26,-29,-29,-29,-22,-26,-22,-14,-20,-21,-202,-170,-186,-199,-200,0,0,0,0,0,-12,-9,-8,-8,-8,-12,-10,0,0,5,4,4,0,0,0,0,0,0,0,0,0,43,8,3,3,25,25,29,0,0,0,55,44,70,64,74,72,104,126,131,122,164,151,129,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1752,1592,5065,6635,6635,6635,6635,6635,2136,2058,1477,743,473,248,314,307,294,294,285,0,372,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Bd3 cxd4 {C02: French: Advance Variation.} 7. Nxd4 Nc6 8. Nf3 (8. Nxc6 $142 bxc6 9. Nd2) 8... f6 $11 {Black has an edge.} 9. Qe2 fxe5 10. Nxe5 Nxe5 11. Qxe5 Nf6 {[%cal Ob6f2] Prevents Qh5+.} 12. O-O Bd6 13. Qe2 O-O 14. c4 $2 (14. Be3 $11 Qc7 15. h3) 14... e5 $19 {[%cal Be6e5,Be5e4][%mdl 32] [#]} 15. Nc3 $146 ({Predecessor:} 15. cxd5 e4 16. Bxe4 Rae8 17. Nc3 Nxe4 18. Nxe4 Qd4 19. Qe3 Rxe4 20. Qxd4 Rxd4 21. Be3 Ra4 {0-1 (21) Rindlisbacher,L (2334)-Del Rio de Angelis,S (2491) Oslo 2012}) 15... e4 $1 16. Bc2 Qc7 $2 (16... Bg4 17. Qe1 $11) (16... e3 $19 {aiming for ...exf2+.} 17. Bxe3 d4) 17. h3 $1 $11 Qxc4 18. Qxc4 dxc4 19. Bg5 Be5 20. Bxf6 Rxf6 21. Bxe4 Bc6 22. Rae1 {And now Bxc6 would win.} Bxc3 23. bxc3 Kf7 24. Bxc6 Rxc6 {[%mdl 4096] Endgame KRR-KRR} 25. Re4 Rd8 26. Rfe1 Rd7 27. a4 a6 28. Rb1 b6 29. Rb4 Rdc7 (29... Rd1+ $11 30. Kh2 Rd2) 30. Kh2 a5 31. Rb5 g6 {Prevents Rf5+.} 32. Rd5 Re6 33. Rf4+ Kg7 34. Rfd4 h5 (34... Kf7 $11) 35. Kg3 Kf6 36. Rf4+ Ke7 37. Kh4 {White is more active.} Re2 38. Kg5 Rc6 39. h4 Ra2 (39... Rc2 $16 {keeps fighting.}) 40. Re5+ $18 Kd6 41. Ree4 (41. Re1 $1 $16) 41... Rxa4 $11 42. Kxg6 {Strongly threatening Rf6+.} b5 43. Kxh5 {Hoping for g4.} Ra3 44. g4 Rxc3 45. g5 Rc1 46. g6 {Black must now prevent Rf6+.} Rg1 47. Rf6+ Kd5 48. Rxc6 (48. Rg4 Rxg4 49. Rxc6 Rg1 $19) 48... Kxe4 {KR-KR} (48... Kxc6 $2 49. Rg4 Re1 50. f4 $18) 49. Rc5 Kd4 $2 {[%mdl 8192] [#]} (49... a4 $11) 50. Rg5 $1 $18 Rxg5+ 51. hxg5 {K3P-K3P} c3 52. g7 c2 53. g8=Q {White wants to mate with Qh8+.} c1=Q {KQ-KQ} 54. Qd8+ Ke5 55. Qb8+ Ke6 56. Qb6+ (56. Qe8+ $142 Kd6 57. f4 (57. Qxb5 Qh1+ 58. Kg6 Qe4+ 59. Kh6 Qh1+ 60. Kg7 Qa1+ 61. Kh7 Qh1+ 62. Kg7 Qa1+ 63. Kh7 Qh1+ 64. Kg7 $16) 57... Qh1+ 58. Kg6) 56... Ke7 57. Qf6+ (57. Qxb5 Qf4 $16) (57. Qxa5 Qh1+ 58. Kg6 Qe4+ 59. Kh5 Qh1+ 60. Kg6 Qe4+ 61. Kh5 Qf3+ 62. Kh4 Qf4+ 63. Kh5 Qf3+ 64. Kh6 Qf8+ 65. Kh7 Qf7+ 66. Kh6 Qf8+ 67. Kh5 Qf3+ $11) 57... Ke8 58. Qe5+ Kf8 {[#]} 59. Qf5+ $2 ({Inferior is} 59. Qxb5 Qh1+ 60. Kg4 Qg2+ 61. Kh5 Qh1+ 62. Kg4 Qg2+ 63. Kf5 (63. Kh5 Qh1+ $11) 63... Qf3+ 64. Ke5 Qxf2 $11) (59. Qb8+ $1 $18 Ke7 60. Qa7+ (60. Qxb5 Qf4 $14) 60... Ke6 61. Qb6+ (61. Qxa5 Qh1+ 62. Kg4 Qg2+ 63. Kh4 Qh2+ 64. Kg4 Qg2+ 65. Kh5 Qh1+ 66. Kg6 Qe4+ 67. Kh6 Qh4+ 68. Kg6 Qe4+ 69. Kh6 Qh4+ 70. Kg6 Qe4+ $11) 61... Ke7 62. Qb7+ (62. Qxb5 Qf4 $16) (62. Qxa5 Qh1+ 63. Kg4 Qg2+ 64. Kf5 Qf3+ 65. Kg6 Qe4+ 66. Kh5 Qh1+ 67. Kg4 Qg2+ 68. Kh4 Qh2+ 69. Kg4 Qg2+ $11) 62... Ke6 63. Qa6+ (63. Qxb5 Qh1+ 64. Kg4 Qg2+ 65. Kf4 Qxf2+ 66. Kg4 Qd4+ 67. Kh5 Qh8+ 68. Kg6 Qg8+ 69. Kh6 Qh8+ 70. Kg6 Qg8+ 71. Kh6 Qh8+ 72. Kg6 $11) 63... Ke7 64. Qf6+ (64. Qxa5 Qh1+ 65. Kg6 Qe4+ 66. Kg7 Qd4+ 67. Kh7 Qh4+ 68. Kg6 Qe4+ 69. Kh5 Qh1+ 70. Kg6 Qe4+ $11) (64. Qxb5 Qf4 $16) 64... Ke8 65. Qh8+ Kd7 66. Qg7+ (66. Qd4+ Ke8 $18) 66... Ke8 67. Qh8+ (67. Qe5+ Kf8 $16) 67... Ke7 68. Qg7+ Ke8 69. Qh8+ (69. Qe5+ Kf8 $18)) 59... Ke7 $2 {[%mdl 8192]} (59... Kg7 $1 $11 {and Black is okay.}) 60. Kg6 $2 (60. g6 $18 {Threatens to win with Qe5+.} Qh1+ 61. Kg5 Qg1+ 62. Kh6 Qh1+ 63. Kg7) 60... b4 $11 {The position is equal.} 61. Qe5+ Kd7 62. Kf7 Qc4+ 63. Kf8 Qc8+ 64. Kf7 {White threatens Qe6+ and mate.} Qc4+ 65. Kf8 Qc8+ 66. Kf7 {Both players deserved the win here.  Weighted Error Value: White=0.28 (precise) /Black=0.22 (precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "2.3"]
[White "Korley, Kassa"]
[Black "Panjwani, Raja"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2399"]
[BlackElo "2436"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:08]} 3. Nf3 {[%emt 0:00:04]} b6 {[%emt 0:00:07]} 4. g3 {[%emt 0:00:11]} Bb7 {[%emt 0:00:09]} 5. Bg2 {[%emt 0:00:04]} Be7 {[%emt 0:00:07]} 6. O-O {[%emt 0:00:05]} O-O {[%emt 0:00:08]} 7. Nc3 {[%emt 0:00:32]} Ne4 {[%emt 0:00:10]} 8. Bd2 {[%emt 0:00:05]} f5 {[%emt 0:00:07]} 9. Qc2 {[%emt 0:08:33]} Bf6 {[%emt 0:02:27]} 10. Rad1 {[%emt 0:08:51]} d6 {[%emt 0:16:19]} 11. Ne1 {[%emt 0:05:14]} Nxc3 {[%emt 0:00:22]} 12. Bxc3 {[%emt 0:00:42]} Bxg2 {[%emt 0:00:25]} 13. Nxg2 {[%emt 0:00:05]} Nd7 {[%emt 0:10:13]} 14. Nf4 {[%emt 0:10:49]} Qe8 {[%emt 0:01:34]} 15. d5 {[%emt 0:08:06]} Bxc3 {[%emt 0:01:05]} 16. Qxc3 {[%emt 0:02:55]} Nc5 {[%emt 0:00:18]} 17. b4 {[%emt 0:00:40]} e5 {[%emt 0:00:56]} 18. bxc5 {[%emt 0:07:24]} exf4 {[%emt 0:02:04]} 19. cxd6 {[%emt 0:00:11]} cxd6 {[%emt 0:00:13]} 20. gxf4 {[%emt 0:16:11]} Qxe2 {[%emt 0:01:35]} 21. Rfe1 {[%emt 0:01:48]} Qh5 {[%emt 0:04:46]} 22. Rd3 {[%emt 0:01:49]} Rae8 {[%emt 0:06:15]} 23. Rxe8 {[%emt 0:03:37]} Rxe8 {[%emt 0:00:20]} 24. Re3 {[%emt 0:00:17]} Re4 {[%emt 0:05:27]} 25. Rxe4 {[%emt 0:00:13]} fxe4 {[%emt 0:00:05]} 26. Qe3 {[%emt 0:00:11]} Qe8 {[%emt 0:17:37]} 27. Kf1 {[%emt 0:01:14]} Kf8 {[%emt 0:00:55]} 28. Qh3 {[%emt 0:00:54]} h6 {[%emt 0:03:18]} 29. Qf5+ {[%emt 0:00:47]} Kg8 {[%emt 0:00:04]} 30. h4 {[%emt 0:03:06]} Kh8 {[%emt 0:05:54]} 31. h5 {[%emt 0:04:54]} e3 {[%emt 0:03:30]} 32. Qe6 {[%emt 0:01:00]} Qxh5 {[%emt 0:00:18]} 33. fxe3 {[%emt 0:00:07]} Qf3+ {[%emt 0:01:23]} 34. Ke1 {[%emt 0:00:04]} h5 {[%emt 0:01:46]} 35. Qc8+ {[%emt 0:01:09]} Kh7 {[%emt 0:00:04]} 36. Qf5+ {[%emt 0:00:03]} Kg8 {[%emt 0:00:33]} 37. Qe6+ {[%emt 0:00:11]} Kh7 {[%emt 0:00:16]} 38. Qf5+ {[%emt 0:00:03]} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "2.4"]
[White "Lee, Michael"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2379"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,58,38,37,24,25,221,191,204,225,210,211,218,192,235,0,0,0,230,230,238,0,12,14,4,10,28,27,18,35,43,22,41]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 {[%cal Be2e4,Be4e5][%mdl 32]} b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Be7 11. exf6 Bxf6 12. Bxf6 Qxf6 13. g3 Bb7 14. Bg2 Na6 15. a4 O-O-O $1 {[%cal Oa6c5] D44: Semi-Slav: Botvinnik System.} 16. axb5 Rxd4 $2 {[#]} 17. Qe2 $1 $18 cxb5 {White is clearly better.} 18. Bxb7+ Kxb7 19. Nxb5 Rd5 20. Nc3 {[#] Strongly threatening 0-0.} Rd4 $146 (20... Re5 $142 21. Ne4 Qe7) ({Predecessor:} 20... Re5 21. Ne4 Qe7 22. O-O Rc8 23. Qf3 Rc6 24. Nc3 Nb4 25. Rfd1 Rf5 26. Qe4 Qc5 27. Qg2 Nd3 28. Ne4 Qd4 {1-0 (53) Albornoz Cabrera,C (2573)-Ali Marandi,C (2543) Tornelo INT 2021}) 21. Nb5 (21. f4 Nb4 22. O-O (22. Nb5 $2 Nd3+ 23. Kf1 Rxf4+ 24. Kg1 Rf3 $19) 22... Qd8 $11) 21... Rd5 $36 {[%mdl 2048] Black has good play.} 22. Nc3 Rd4 $1 23. O-O {[%cal Ob2b3]} ({Weaker is} 23. f4 Nb4 24. O-O (24. Nb5 $2 Nd3+ 25. Kf1 Rxf4+ 26. Kg1 Rf3 $19) 24... Qd8 $11) 23... Qf5 24. f4 $2 (24. Rfd1 $18 Rhd8 25. Rxd4 Rxd4 26. Ra4) 24... Qc5 $11 {[#] And now ...Rd2+ would win.} 25. Rf2 {Qf3+ is the strong threat.} Nb4 26. Qe5 Rh5 27. Qxc5 {Dancing on a razor blade.} Rxc5 28. h4 Rd3 29. Kg2 Nd5 $1 {Weighted Error Value: White=0.41/Black=0.37} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "2.5"]
[White "Bodek, Michael"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2418"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,96,18,10,13,13,0,0,4,0,1,-16,0,0,0,-9,0,-17,0,0,13,2,8,-17,22,7,10,7,13,-29,-28,-27,-25,-26,-24,-28,-25,-30,-1,-40,-8,-8,-8,-8,-8,-8,-8,-19,-19,-27,-20,-28,-20,-27,-8,-8,-8,-11,-11,-13,-14,-29,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,-8]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bb3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. O-O h6 8. Nbd2 {[%cal Bb1d2,Bd2e4,Be4g3][%mdl 32]} O-O 9. h3 {9.h3 is better than 9.Re1.} Be6 10. Bc2 Re8 11. Re1 d5 12. exd5 Bxd5 13. Ne4 {[#]} Bf8 $146 ({Predecessor:} 13... Nxe4 14. dxe4 Bc4 15. Nd2 Be6 16. a4 Qh4 17. Qf3 Rad8 18. Nf1 Rd6 19. Ng3 Red8 {½-½ (58) Khanin,S (2514)-Bocharov,I (2563) St Petersburg 2018}) 14. Be3 Nd7 15. Ng3 g6 16. d4 exd4 17. Nxd4 Nxd4 18. Qxd4 c6 19. Bb3 (19. c4 {is more appropriate.} Bg7 20. Qf4) 19... Bxb3 $11 20. axb3 Nc5 {White must now prevent ...Qxd4.} 21. Qxd8 Rexd8 22. Bxc5 Bxc5 23. Red1 f5 24. Nf1 {[%cal Oa1a5]} Bb6 {[%cal Bc5b6,Bb6d8,Bd8c7,Bc7e5][%mdl 32]} 25. Ne3 Rxd1+ 26. Rxd1 Rd8 27. Rxd8+ Bxd8 {[%mdl 4096] Endgame KB-KN} 28. Nc4 Bc7 29. Kf1 Kf7 30. Ke2 Ke6 31. Kd3 b5 32. Nd2 Be5 33. Nf3 Bf6 34. Nd4+ Kd5 35. Nc2 Bd8 36. c4+ {The position is equal.} Kc5 {Black wants to play ...bxc4+.} 37. cxb5 cxb5 38. b4+ axb4 {Hoping for ...Bh4.} 39. b3 $1 Bf6 40. Ne1 Kd5 41. f4 Be7 42. Nf3 Bf6 43. Ne1 $1 g5 44. fxg5 hxg5 45. Nf3 f4 46. Nd2 Ke5 47. Nf3+ $1 Kf5 48. Nh2 Bc3 {An interesting draw.  Weighted Error Value: White=0.05 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.17"]
[Round "3.1"]
[White "Mista, Aleksander"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[WhiteElo "2551"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,16,0,0]} 1. c4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. dxe5 dxe5 8. Qxd8 Rxd8 {[#]} {Predecessor:} 9. Bg5 $146 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} Na6 10. Nd5 Rd6 11. Bxf6 Bxf6 12. O-O-O Bg4 13. b4 c6 14. c5 cxd5 15. cxd6 dxe4 16. Ng1 Bxe2 17. Nxe2 Nxb4 18. Kb1 Nd3 19. Rhf1 Rd8 {1-0 (86) Karjakin,S (2743)-Firouzja,A (2804) Warsaw 2021} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "3.2"]
[White "Mishra, Abhimanyu"]
[Black "Bodek, Michael"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2505"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,4,7,0,29,24,29,27,30,23,31,26,49,42,52,50,113,96,99,102,103,89,143,120,179,182,242,248,314,308,377,366,460,481,659,693,661,672,626,483,671,681,684,676,670,661,667,656,808,804,796,783,780,716]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 Ngf6 5. Nc3 a6 6. Be2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 7. a5 Bg7 8. O-O {White has an edge.} O-O 9. d3 Nb8 10. e5 dxe5 11. Nxe5 Be6 12. Bf3 {[#]} Qc8 $146 {Black is on the road to losing.} (12... Qc7 $14 13. Bf4 Nh5 14. Bxh5 Bxe5 15. Bxe5 Qxe5) ({Predecessor:} 12... Nbd7 13. Re1 Nxe5 14. Rxe5 Qc7 15. Bf4 Nh5 16. Rxe6 Nxf4 17. Rb6 Rab8 18. Qe1 Rfd8 {0-1 (68) Molner,M (2448)-Johnson,D (1881) Charlotte 2021}) 13. Bf4 Nfd7 14. Nxd7 {White is much more active.} Nxd7 15. Re1 Kh8 ({Black should try} 15... Re8) 16. Qd2 Ra7 (16... Re8 $16 17. Re2 Bf5) 17. Na4 $18 Bd4 (17... Re8 $142 18. Rac1 Bf5) 18. c3 {[%cal Bc2c3,Bc3d4,Bd4d5][%mdl 32]} Bg7 19. d4 cxd4 20. cxd4 Nf6 21. d5 {White is clearly winning.} Bg4 22. Nb6 Qd8 23. Bxg4 Nxg4 24. Qe2 f5 25. h3 Nf6 26. Qxe7 Qxe7 27. Rxe7 Ne4 28. Rc1 Bf6 29. Be5 Bxe5 30. Rxe5 Kg7 31. Rc7+ {Weighted Error Value: White=0.08 (flawless) /Black=0.45} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "3.3"]
[White "Panjwani, Raja"]
[Black "Lee, Michael"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2436"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,0,2,-4,-7,-18,-24,-28,48,27,91,90,94,93,76,81,87,67,41,33,47,72,35,16,23,22,16,14,23,8,24,-29,0,0,0,-15,7,14,28,36,30,28,42,24,22,20,64,-24,-24,-23,-5,-148,-144,-155,-13,-166,-200,-181,-181]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 $1 {[%mdl 4] is now more promising than 8...b6.} 9. b3 b6 10. Nc3 {E11: Bogo-Indian.} Ba6 11. e4 dxc4 12. Rfe1 {Black has an edge.} e5 {[#]} (12... cxb3 $11 13. axb3 Bb7) 13. Ne2 $146 ({Much weaker is} 13. Nxe5 Nxe5 14. dxe5 Ng4 $15) (13. dxe5 Ng4 $15) ({Predecessor:} 13. Rad1 cxb3 14. axb3 Qe8 15. h3 Bb4 16. Bg5 Qe7 17. Re3 Rfd8 18. Na2 Bd6 19. Qxc6 exd4 20. Nxd4 {½-½ (58) Korley,K (2402)-Yoo,C (2499) New York 2021}) 13... cxb3 (13... b5 $11 {remains equal.}) 14. axb3 $16 Bxe2 15. Rxe2 Qc7 16. Bc3 {[%cal Rd4e5] White is more active.} Bd6 17. dxe5 Nxe5 18. Nd4 {Threatens to win with f4.} Rfd8 19. Rd1 Bf8 20. Red2 a5 21. Nf5 {aiming for Rxd8.} Rxd2 22. Qxd2 Re8 23. h3 {[%mdl 1024] White has compensation.} Ng6 {[#]} 24. Re1 (24. Nh6+ $142 $1 gxh6 25. Bxf6) 24... Qd8 25. Qc2 Qc7 26. Ba1 Bb4 27. Rd1 Rd8 28. Rxd8+ Qxd8 29. e5 Nd5 30. e6 fxe6 31. Nxg7 Qd6 (31... Qd7 $11 {deserves consideration.}) 32. Nh5 (32. h4 $1 $14) 32... Qc5 $11 33. Qd1 Bc3 34. Bxc3 (34. Bxd5 $11 exd5 35. Nf6+ Bxf6 36. Bxf6) 34... Qxc3 $17 35. Qg4 Qe5 (35... Qe1+ $17 36. Kh2 Kf7 37. Bxd5 exd5 38. Qf3+ Ke6 39. Ng7+ (39. Qf6+ Kd7 $17) 39... Kd7) 36. Be4 $2 {[#]} (36. Bxd5 $11 exd5 37. Nf4) 36... Kf7 $1 $19 37. Qf3+ {[#]} Ke7 $1 {Weighted Error Value: White=0.25 (precise) /Black=0.25 (precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "3.4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "C49"]
[WhiteElo "2409"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,56,16,4,9,0,0,0,1,6,16,0,5,0,16,22,12,8,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-17,-17,0,0,0,0,0,-14,0,0,0,-16,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 dxc6 7. d3 {The position is equal.} Nd7 {C49: Four Knights: 4 Bb5 Bb4.} 8. Ne2 Re8 9. b3 Bf8 10. Bb2 {[#]} a5 $146 ({Predecessor:} 10... c5 11. Ng3 g6 12. Nd2 Bg7 13. f4 exf4 14. Bxg7 fxg3 15. Bb2 gxh2+ 16. Kh1 f6 {1-0 (35) Collutiis,D (2477)-Altini,N (2410) Civitanova Marche 2015}) 11. a4 b6 12. Nd2 Qg5 13. Nc4 {[%cal Oc4e5]} f6 14. Kh1 Ba6 15. f4 exf4 16. Bc1 Bxc4 17. Bxf4 Qc5 {[#] ...Ba6 is the strong threat.} 18. bxc4 Bd6 19. Bxd6 Qxd6 20. Ng3 g6 21. Qd2 Nc5 {[%cal Oc5e4]} 22. Qf2 Re6 23. Ne2 Rf8 24. Nd4 Ree8 25. Nf3 Qf4 26. Nd4 Qd6 27. Nf3 Qf4 28. Nd4 Qd6 {An even fight not without its subleties.  Weighted Error Value: White=0.02 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "3.5"]
[White "Guo, Arthur"]
[Black "Liang, Jason"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2412"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,79,23,31,16,18,18,22,10,39,8,12,9,4,13,45,32,33,0,10,0,0,0,24,0,99,95,99,93,98,68,127,0,0,0,0,18,19,0,0,0,72,61,76,60,66,48,101,36,219,209,178,178,454,407,831,721,631,643,29980,29981,29981,0,0,0,29986,29987,29987,29988,29990,29991]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. f3 {7.g4 is becoming the main line. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Nf6 8. g4 Be7 9. Qd2 {The position is equal.} b5 10. Nxc6 dxc6 11. O-O-O O-O 12. Qf2 (12. g5 {feels hotter.} Nh5 13. f4 c5 14. Qf2 Bb7 15. Be2) 12... Rd8 13. Rxd8+ Qxd8 14. h4 e5 15. Bh3 Ne8 16. Rd1 {[#]} Nd6 $146 ({Predecessor:} 16... Qc7 17. Bf1 Be6 18. g5 Rd8 19. Bd3 Rd7 20. Bc5 f6 21. Bxe7 Rxe7 22. Qc5 Kf7 {½-½ (39) Koelewijn,A (2381)-Sipilae,V ICCF email 2020}) 17. f4 Qc7 (17... Qf8 $11) 18. Bb6 $16 (18. fxe5 Nc4 19. Bc5 Be6 $17) 18... Qb8 {[%cal Oh7h5]} 19. Bc5 {White is more active.} (19. fxe5 $6 Nc4 20. Bc5 Qxe5 $11) 19... Qc7 20. f5 $1 (20. fxe5 Nc4 $15) 20... a5 (20... b4 $14 21. Bb6 (21. Bxb4 Nxf5 22. exf5 Bxb4 $14) 21... Qb8) 21. f6 (21. g5 $16) 21... gxf6 $11 22. g5 $1 fxg5 (22... Bxh3 23. gxf6 Bf8 24. Qg3+ Kh8 25. Bxd6 (25. Qxh3 b4 $14) 25... Bh6+ 26. Kb1 $16) 23. Bxc8 Rxc8 (23... Nxc8 24. Qf5 $1 Nb6 25. Be3 $16) 24. Bxd6 Bxd6 25. hxg5 Rd8 (25... Re8 $11 {remains equal.}) 26. Rh1 $1 $16 {Black must now prevent Qf5.} Bf8 27. Qf5 {[%csl Gh1][%cal Rf5h7]} Bg7 28. Qxh7+ Kf8 29. g6 (29. Rf1 $1 $16) 29... f6 $2 ({Black should try} 29... Rd6 $1 $14) 30. Kb1 $18 Qd7 31. Qh5 $1 {And now Ne2 would win.} Qe6 $2 (31... b4 {was worth a try.}) 32. Nd1 {[%cal Bc3d1,Bd1e3,Be3f5][%mdl 32] Threatens to win with Ne3.} a4 (32... f5 $142 33. exf5 Qf6) 33. Ne3 b4 34. Nf5 b3 35. Nxg7 bxc2+ {[#]} 36. Kxc2 $2 (36. Kc1 $1 {mates} Rd1+ 37. Kxc2 Qc4+ 38. Kxd1 Qxe4 {[#]} 39. Kc1 $1 Ke7 40. Rd1 Qf4+ 41. Kb1) 36... Qc4+ $11 37. Kb1 {White threatens Nf5 and mate.} a3 $2 {[%mdl 8192] [#]} (37... Qxe4+ $11 38. Ka1 a3 39. Qh8+ (39. bxa3 {gets mated.} Qd4+ 40. Kb1 Qd3+ 41. Kc1 Qc3+ 42. Kb1 Rb8#) (39. Ne6+ Ke7 $11) 39... Ke7) 38. Ne6+ $1 {[%mdl 512] White mates.} Qxe6 39. Qh8+ Ke7 40. Rh7+ {Weighted Error Value: White=0.23 (precise) /Black=0.73} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "4.1"]
[White "Dragun, Kamil"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2590"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,83,29,35,0,0,2,4,0,0,0,0,0,0,0,0,0,0,0,18,2,1,23,14,0,0,-25,-21,-114,-102,-104,-95,-121,-33,-87,-25,-25,0,-39,-48,-44,-33,-32,-44,-65,-46,-170,-162,-154,-160,-157,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. g4 {The modern move. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. Nxc6 Qxc6 9. Qd2 b4 10. Ne2 Qxe4 11. Rg1 Qc4 12. Ng3 Qc7 (12... Qxg4 13. h3 Qg6 14. Be2 $16) 13. O-O-O Nf6 14. Nh5 Bb7 (14... Qxh2 $2 15. Bg2 Nxg4 16. Bxa8 Nxe3 17. fxe3 (17. Nxg7+ Bxg7 18. fxe3 Qxd2+ 19. Rxd2 Bh6 $11) 17... Qxd2+ 18. Kxd2 $18) 15. Bd4 Nxh5 16. gxh5 {[%cal Oh5h6] Black must now prevent h6!} Rg8 {[#]} 17. Be5 $1 Qc6 {[#]} (17... d6 18. Bxd6) 18. Rg4 $146 ({Predecessor:} 18. Bd3 f5 19. Kb1 a5 20. h6 g6 21. h4 Ba6 22. Bf4 Bxd3 23. Qxd3 Be7 24. Bg5 Bxg5 25. hxg5 {1-0 (39) Ali Marandi,C (2542)-Maiti,M (2395) Charlotte 2021}) 18... Qd5 19. Qe3 (19. Qf4 $1 $11 Qc6 20. Kb1) 19... Qxa2 $17 20. b3 Qa5 (20... Rc8 21. Rc4 Rxc4 22. Bxc4 $11) 21. Kb1 Qc5 ({Black should play} 21... Be7 $1 $17 22. Be2 g6) 22. Qg3 ({White should try} 22. Qd2 $15 Bc6 23. Rc4) 22... Bd5 (22... Rc8 $1 $17 23. Rc4 Qa5) 23. Bc4 $1 $11 {Hoping for Bxd5.} Rc8 (23... Bc6 $5 {[%cal Ra6a5]}) 24. Qd3 {Strongly threatening Rd4.} (24. Rxd5 $5 exd5 25. Rd4 $15) 24... Bc6 {[%cal Bd5c6,Bc6f3,Bf3d1][%mdl 32]} 25. Bxa6 Rd8 (25... Ra8 26. Bb7 $1 Bb5 27. Qxh7 $16) 26. Bc7 Ra8 (26... Qxh5 $2 27. Rc4 Bc5 28. Bxd8 Kxd8 29. c3 $18) 27. Rc4 Qd5 28. Rd4 (28. Qf1 $1 $15 Qf3 29. Rcd4) 28... Qf3 $19 ({Don't play} 28... Qxh5 $6 29. Rxd7 Qxd1+ 30. Qxd1 $14) 29. Qxf3 Bxf3 30. Bb5 Bc5 $2 (30... Bxd1 $17 31. Rxd7 Be2 $1 {[%mdl 512]} 32. Rd8+ Ke7 33. Rd7+ Kf6 34. Bxe2 Bc5) 31. Rxd7 $11 {The position is equal.} ({Not} 31. Bxd7+ $2 Ke7 32. R1d3 {[#]} Ra7 $1 $17) 31... Bxd1 32. Bd6 {White wants to mate with Ra7+.} Ra5 33. Re7+ $1 Kd8 34. Rd7+ Kc8 ({But not} 34... Ke8 35. Re7+ Kd8 36. Rd7+ Kc8 37. Rc7+ Kb8 38. Rxc5+ Kb7 39. Rc7+ Kb6 40. Ba4 $17) 35. Rc7+ Kb8 36. Rxc5+ Kb7 {Threatens to win with ...Kb6.} 37. Rc7+ $1 {[%mdl 64] Discovered Attack} Kb6 38. Ba4 {A strong pair of Bishops.} Rd8 39. Rc6+ Kb7 {[%cal Oa5a4] ...Rxa4! is the strong threat.} 40. Rc7+ Kb6 41. Rc6+ Kb7 {[%cal Oa5a4] aiming for ...Rxa4!} 42. Rc7+ {Weighted Error Value: White=0.14 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "4.2"]
[White "Korley, Kassa"]
[Black "Guo, Arthur"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2399"]
[BlackElo "2412"]
[Annotator "ChessBase"]
[PlyCount "72"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:39]} Nf6 {[%emt 0:00:22]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:05]} 3. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:41]} 4. g3 {[%emt 0:00:04]} dxc4 {[%emt 0:00:09]} 5. Bg2 {[%emt 0:00:13]} c6 {[%emt 0:00:21]} 6. O-O {[%emt 0:01:07]} b5 {[%emt 0:00:35]} 7. Ne5 {[%emt 0:23:42]} Bb7 {[%emt 0:00:26]} 8. b3 {[%emt 0:00:25]} cxb3 {[%emt 0:00:37]} 9. axb3 {[%emt 0:00:40]} Nd5 {[%emt 0:02:00]} 10. e4 {[%emt 0:06:41]} Nf6 {[%emt 0:02:58]} 11. Bb2 {[%emt 0:07:21]} Be7 {[%emt 0:07:16]} 12. Qc2 {[%emt 0:03:11]} O-O {[%emt 0:01:28]} 13. Nd2 {[%emt 0:00:28]} Qb6 {[%emt 0:01:46]} 14. Rfc1 {[%emt 0:05:58]} Nfd7 {[%emt 0:12:03]} 15. Nd3 {[%emt 0:04:53]} a5 {[%emt 0:10:54]} 16. e5 {[%emt 0:11:35]} Rd8 {[%emt 0:05:31]} 17. Ne4 {[%emt 0:02:31]} Na6 {[%emt 0:01:39]} 18. Ndc5 {[%emt 0:00:43]} Nb4 {[%emt 0:09:02]} 19. Qe2 {[%emt 0:00:03]} Qc7 {[%emt 0:01:14]} 20. h4 {[%emt 0:04:08]} Bxc5 {[%emt 0:06:47]} 21. dxc5 {[%emt 0:12:31]} Nxe5 {[%emt 0:00:23]} 22. f4 {[%emt 0:04:52]} Ned3 {[%emt 0:02:20]} 23. Nf6+ {[%emt 0:01:53]} gxf6 {[%emt 0:02:25]} 24. Bxf6 {[%emt 0:00:07]} Nxc1 {[%emt 0:02:38]} 25. Rxc1 {[%emt 0:00:16]} Nd5 {[%emt 0:05:42]} 26. Bxd5 {[%emt 0:04:53]} Rxd5 {[%emt 0:10:57]} 27. Qg4+ {[%emt 0:00:06]} Kf8 {[%emt 0:00:01]} 28. Qg7+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:01]} 29. Re1 {[%emt 0:04:02]} Kd7 {[%emt 0:00:25]} 30. Qxh7 {[%emt 0:00:05]} Rf8 {[%emt 0:02:01]} 31. h5 {[%emt 0:00:40]} Kc8 {[%emt 0:01:28]} 32. h6 {[%emt 0:00:13]} Rf5 {[%emt 0:03:10]} 33. Qg7 {[%emt 0:01:11]} Rxf6 {[%emt 0:00:02]} 34. Qxf6 {[%emt 0:00:33]} Qd8 {[%emt 0:00:20]} 35. Qa1 {[%emt 0:00:30]} Rh8 {[%emt 0:01:08]} 36. Rd1 {[%emt 0:00:27]} Qf8 {[%emt 0:00:49]} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "4.3"]
[White "Lee, Michael"]
[Black "Ostrovskiy, Aleksandr"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2379"]
[BlackElo "2409"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:16]} Nf6 {[%emt 0:02:22]} 2. c4 {[%emt 0:00:14]} e6 {[%emt 0:00:09]} 3. Nf3 {[%emt 0:00:13]} Bb4+ {[%emt 0:01:00]} 4. Bd2 {[%emt 0:00:24]} Qe7 {[%emt 0:01:20]} 5. Qc2 {[%emt 0:09:36]} Bxd2+ {[%emt 0:04:20]} 6. Nbxd2 {[%emt 0:00:07]} d6 {[%emt 0:00:19]} 7. e4 {[%emt 0:08:59]} e5 {[%emt 0:01:00]} 8. d5 {[%emt 0:00:06]} a5 {[%emt 0:07:19]} 9. c5 {[%emt 0:10:11]} dxc5 {[%emt 0:12:47]} 10. Nc4 {[%emt 0:08:16]} O-O {[%emt 0:02:38]} 11. a4 {[%emt 0:06:42]} Nbd7 {[%emt 0:08:31]} 12. Bd3 {[%emt 0:11:37]} b6 {[%emt 0:18:02]} 13. Ne3 {[%emt 0:02:40]} Ne8 {[%emt 0:02:55]} 14. h4 {[%emt 0:04:01]} Nd6 {[%emt 0:02:00]} 15. g4 {[%emt 0:07:35]} Nf6 {[%emt 0:11:56]} 16. Rg1 {[%emt 0:03:17]} c4 {[%emt 0:01:46]} 17. Bxc4 {[%emt 0:01:36]} Nfxe4 {[%emt 0:16:26]} 18. Bd3 {[%emt 0:00:24]} f5 {[%emt 0:01:27]} 19. gxf5 {[%emt 0:01:12]} Nc5 {[%emt 0:00:19]} 20. Bc4 {[%emt 0:06:55]} Kh8 {[%emt 0:00:05]} 21. Ng5 {[%emt 0:00:08]} Nxc4 {[%emt 0:00:57]} 22. Qxc4 {[%emt 0:00:32]} Ba6 {[%emt 0:02:29]} 23. Qc3 {[%emt 0:01:59]} Nd3+ {[%emt 0:00:38]} 24. Kd2 {[%emt 0:00:06]} Nc5 {[%emt 0:01:04]} 25. Rg4 {[%emt 0:00:22]} Rad8 {[%emt 0:00:28]} 26. Ne4 {[%emt 0:04:52]} Nxe4+ {[%emt 0:00:32]} 27. Rxe4 {[%emt 0:00:02]} Bb7 {[%emt 0:00:33]} 28. Qxe5 {[%emt 0:08:25]} Qf7 {[%emt 0:00:01]} 29. Rd4 {[%emt 0:00:29]} Rfe8 {[%emt 0:00:11]} 30. Qf4 {[%emt 0:00:53]} Bxd5 {[%emt 0:00:09]} 31. Ke1 {[%emt 0:00:27]} c5 {[%emt 0:00:32]} 32. Rd2 {[%emt 0:00:06]} Bb3 {[%emt 0:01:00]} 33. Rxd8 {[%emt 0:00:41]} Rxd8 {[%emt 0:00:01]} 34. Kf1 {[%emt 0:00:37]} Qf6 {[%emt 0:00:54]} 35. Qg5 {[%emt 0:01:34]} Rd2 {[%emt 0:00:26]} 36. Ng4 {[%emt 0:00:54]} Qxg5 {[%emt 0:01:15]} 37. hxg5 {[%emt 0:00:02]} Rd4 {[%emt 0:00:35]} 38. Ne5 {[%emt 0:00:46]} Bxa4 {[%emt 0:00:28]} 39. Kg2 {[%emt 0:00:43]} Rf4 {[%emt 0:00:32]} 40. Nf7+ {[%emt 0:00:45]} Kg8 {[%emt 0:00:01]} 41. Kg3 {[%emt 0:00:13]} Rxf5 {[%emt 0:00:50]} 42. Nd6 {[%emt 0:00:06]} Rxg5+ {[%emt 0:00:31]} 43. Kf4 {[%emt 0:00:05]} Rg6 {[%emt 0:00:29]} 44. Nf5 {[%emt 0:00:08]} Rf6 {[%emt 0:00:04]} 45. Ke5 {[%emt 0:00:30]} Bd7 {[%emt 0:00:21]} 46. Ne7+ {[%emt 0:00:14]} Kf7 {[%emt 0:00:06]} 47. Nd5 {[%emt 0:00:05]} Re6+ {[%emt 0:01:19]} 48. Kf4 {[%emt 0:00:05]} g5+ {[%emt 0:00:20]} 49. Kg3 {[%emt 0:00:19]} h5 {[%emt 0:00:11]} 50. f4 {[%emt 0:00:24]} h4+ {[%emt 0:00:24]} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "4.4"]
[White "Bodek, Michael"]
[Black "Panjwani, Raja"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "2418"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "160"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,160,-10,7,0,0,-21,-27,-27,-19,-10,-8,-31,-24,-25,-29,-23,-30,-25,-22,-23,-23,-71,-92,-75,-71,-67,-63,-71,-72,-94,-119,-96,-100,-192,-204,-183,-152,-201,-176,-181,-193,-177,-162,-137,-141,-133,-133,-131,-105,-301,-229,-584,-573,-553,-247,-787,-472,-641,-261,-257,-264,-259,-215,-278,-208,-650,-650,-513,-424,-601,-569,-435,-186,-192,-158,-81,0,-158,-158,-158,-158,-158,-158,-1518,-1518,-1162,-1071,-1562,-1675,-6804,-5180,-29951,-11168,-29965,-29966,-29965,-29959,-3998,-3467,-29958,-29955,-29961,-29963,-29960,-29962,-29972,-29973,-29979,-29976,-29976,-29977,-29980,-29977,-29977,-29978,-29978,-29979,-29981,-29982,-29983,-29983,-29983,-29983,-29984,-29985,-29985,-29986,-29989,-29988,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29990,-29990,-29991,-29993,-29992,-29992,-29991]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. h3 Na5 {is the new trend.} 10. O-O b6 11. Bg5 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines.} Bb7 12. Bd5 {[#]} Qd7 $146 ({Predecessor:} 12... Qc8 13. Re1 Nc4 14. Bxb7 Qxb7 15. b3 Na5 16. Qf3 Rfc8 17. Rad1 Rc5 18. Nd5 Nxd5 19. exd5 Qxd5 {1-0 (41) Gao,R (2487)-Friedrichs,K (2298) Golden Sands 2014}) 13. Qd3 {Black has an edge.} Nxd5 (13... Rac8 $5 {[%cal Rf6d5]}) 14. Nxd5 f6 15. Bd2 e6 16. Ne3 f5 17. exf5 gxf5 18. Bxa5 bxa5 19. Rad1 f4 20. Ng4 (20. Nc4 $1 $11 {deserves consideration.}) 20... h5 $36 {[%mdl 2048] Black is in control.} 21. Nh2 e5 22. Qb5 Rfd8 {Dancing on a razor blade.} 23. Qxd7 $1 Rxd7 24. Nb3 {[%cal Ob3c5]} Ba6 25. Rfe1 ({Don't blunder} 25. Nc5 $2 Bxf1 26. Nxd7 Bb5 27. Rxd6 Rd8 $19) 25... Rc8 26. Rd2 (26. c3 $17) 26... a4 $19 27. Nc1 Bf8 28. b3 (28. Nd3 $17) 28... Bb7 29. c4 Rg7 30. f3 axb3 31. axb3 d5 32. Rxe5 dxc4 33. bxc4 Bc5+ ({Inferior is} 33... Rxc4 34. Ne2 $15) 34. Kf1 $2 (34. Kh1 $17 {only move.}) 34... Be3 35. Rd1 (35. Rd6 Bxc1 36. Rxh5) 35... Ba6 $1 36. g4 {[#]} Rxc4 (36... fxg3 $142 $1 37. Rxe3 (37. Ng4 hxg4) 37... gxh2) 37. Ne2 $2 (37. Rd8+ Kf7 38. Nd3 Rc1+ 39. Ke2) 37... Rc8 {aiming for ...Rc2.} 38. Re1 Rc5 (38... Rc2 $142 39. Ra5 Bd3) 39. Rxc5 Bxc5 40. Rc1 Bb6 {Threatens to win with ...Rd7.} 41. Ra1 Bb5 42. Ke1 $2 (42. Ra2) 42... Re7 43. Ra2 Bc4 44. Rc2 Bd3 {A strong pair of Bishops.} 45. Ra2 Be3 (45... Bg1 $142 46. Kd1 Bxe2+ 47. Rxe2 Rxe2 48. Kxe2 Bxh2) 46. gxh5 Rb7 47. Nc3 {To avoid Rb1+} Rc7 (47... Rb3 $17 48. Nd1 Bb6) 48. Nd1 {White is on the road to losing.} (48. Ra3 $11) 48... Rc1 $17 {Strongly threatening ...Bc2. Black is much more active. White has bad knights.} 49. Ng4 {[#]} Bc2 $1 50. Ngxe3 fxe3 51. Rxc2 (51. Ke2 $17 Bxd1+ 52. Kxe3) 51... Rxc2 $19 52. Nxe3 $17 {[%mdl 4096] Endgame KR-KN} Rc5 53. Kd2 Rxh5 54. Kc3 Kf7 55. Kb4 Ke6 (55... Rxh3 $142 56. Nf5 Ke6 57. Nd4+ Kd5 58. Nb5 Rh7 59. Nc3+ Ke5 60. Nb5 a6 61. Nc3 Kd4 62. Ne4 Rh5 63. Ng3 Rb5+ 64. Ka4 Rg5 65. Ne4 Rg1 66. Nd2 Rd1 67. Ne4 Rf1 68. Kb4 Rxf3 69. Nd6 Rf8 70. Ka4 Kc5 71. Ne4+ Kd5 72. Nc3+ Kc4 73. Ne4 Rf4 74. Ng5 Rf5 75. Ne4 Rf4 76. Ng5 Rf2 77. Ka3 Rf5 78. Ne6 Kc3 79. Ka2 Kb4 80. Ng7 Rf2+ 81. Kb1 a5 82. Ne6 a4 83. Nd4 Kc4 84. Nc6 a3 85. Ka1 Rf6 86. Na5+ Kb4 87. Kb1 Kxa5 88. Kc2 Kb4 89. Kd3 a2 90. Ke2 a1=Q 91. Kd3 Qe1 92. Kc2 Qe2+ 93. Kc1 Rf1#) 56. f4 Rxh3 57. Nc2 Kd6 ({Stronger than} 57... Kf5 58. Nd4+ Kxf4 59. Nb5 $15) 58. Nd4 a6 {( -> ...Rh5)} 59. Nf5+ Ke6 {Black mates.} 60. Nd4+ Kd5 61. Nc2 Rh2 62. Kb3 Kc5 63. Nb4 Kb5 64. Nd5 Rh3+ 65. Kb2 Rf3 66. Nc7+ Kb6 67. Ne6 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 68. Ka2 a4 69. Kb2 Ka5 70. Nd4 Rxf4 71. Nc2 Rf3 72. Nd4 a3+ 73. Ka2 Rh3 74. Nc2 Ka4 75. Kb1 Rh1+ 76. Ka2 Rh2 77. Kb1 Kb3 78. Nd4+ Kc4 79. Nc2 Kc3 80. Nxa3 Kb3 {Weighted Error Value: White=1.18/Black=0.55} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.18"]
[Round "4.5"]
[White "Mista, Aleksander"]
[Black "Mishra, Abhimanyu"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2551"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,77,0,0,0,0,8,0,-52,-19,-29,-38,-23,-29,-50,-79,-104,-47,-159,-154,-156,-152,-145,-145,-137,-144,-153,-143,-129,-143,-266,-274,-243,-257,-286,-268,-352,-326,-400,-401,-723,-684,-820,-862,-839,-831,-743,-716,-908,-907,-995,-995,-945,-943,-1056,-1047,-2106,-2106,-29942]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 h5 10. O-O-O Nbd7 11. Kb1 Rc8 $1 {[%mdl 4] is more profitable than 11...b5 at the moment.} 12. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} (12. Nd5 Nxd5 13. exd5 Bf5 14. Rc1 O-O 15. Rg1 Bg6 16. g4 hxg4 17. fxg4 Qc7 18. g5 b5 19. h4 Nb6 20. h5 {1-0 (64) Mista,A (2567)-Mishra,A (2357) Charlotte 2021}) 12... b5 13. Bg5 O-O {[#]} 14. g4 $146 (14. a3 $11) ({Predecessor:} 14. a3 Re8 15. Be2 Qb6 16. Rhg1 Bf8 17. Nc1 Rc7 18. N1a2 Rec8 19. Rc1 Qb7 20. Rgd1 {0-1 (36) Inarkiev,E (2693)-Vidit,S (2707) Danzhou 2019}) 14... hxg4 $15 15. fxg4 Bxg4 {[%cal Oc8c3] [#] And now ...Rxc3! would win.} 16. Re1 b4 17. Nd5 Nxd5 18. exd5 {[%cal Ob3d4]} f6 19. Rg1 Bf5 $17 ({Reject} 19... fxg5 $6 20. Rxg4 Rf4 21. Bh3 $11) 20. Bh6 Rxc2 21. Rxg7+ Kh8 22. Bd3 {[%cal Od3f5]} Rxd2 $40 {[%mdl 128] Black goes for the king. Dancing on a razor blade.} 23. Bxf5 {[#] Intending Rh7+ and mate.} Rg2 $3 24. Rxg2 {White threatens Bg7+ and mate.} Rg8 {Prevents Bg7+.} 25. Reg1 (25. Rc2 $17) 25... Rxg2 $19 26. Rxg2 {aiming for Bg7+.} Bf8 {Inhibits Bg7+.} 27. Be3 Qe8 {[%cal Oe8h5]} 28. Bg6 Qc8 29. Nd2 Qb7 30. Bf7 (30. Be4 $142 Nc5 31. Bxc5 dxc5 32. Rf2) 30... Nc5 {Black is clearly winning.} 31. Rg8+ Kh7 32. Rxf8 Kg7 33. Rd8 Qc7 34. Bxc5 Qxd8 35. Bxb4 Kxf7 36. Nc4 Qg8 37. Nxd6+ Kg6 38. h5+ Kxh5 39. Ne4 {Weighted Error Value: White=0.75/Black=0.00 (flawless)} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "5.1"]
[White "Mishra, Abhimanyu"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2505"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,180,10,29,14,17,22,23,16,16,20,13,14,18,13,13,15,32,18,28,34,25,31,33,26,31,26,32,31,22,29,35,52,42,44,58,58,66,42,45,19,20,-147,-140,-168,-170,-154,-158,-214,-208,-217,-203,-213,-221,-209,-212,-218,-154,-154,-146,-144,-127,-175,-175,-236,-175,-250,-252,-263,-253,-251,-239,-235,-201,-228,-221,-247,-225,-264,-244,-243,-225,-289,-275,-403,-335,-335,-335,-377,-343,-347,-339,-313,-310,-378,-308,-309,-314,-314,-314,-309,-300,-300,-292,-285,-285,-308,-304,-479,-476,-490,-426,-370,0,-400,-400,-400,-385,-378,-320,-309,-97,-116,-116,-8399,-7905,-7417,-6520,-5587,-5691,-4472,-3966,-6127,-5271,-29966,-29967,-29967,-29967,-29968,-29969,-29969,-29968,-29968,-29969,-29969,-29970,-29971,-29972,-29972,-29973,-29973,-29974,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29986,-29979,-29988,-29989]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 c5 6. dxc5 {B12: Caro-Kann: Advance Variation.} Bxc5 7. Nxc5 Qa5+ 8. c3 {White has an edge.} Qxc5 9. Be3 Qc7 10. f4 Nc6 11. Nf3 {[%cal Bg1f3,Bf3d2,Bd2b3,Bb3c5][%mdl 32]} Nge7 12. Be2 O-O 13. O-O Be4 14. Nd2 Bg6 15. Nb3 Na5 16. Bf2 Nc4 17. Qc1 Nc6 18. Nc5 b6 19. Nd3 {[#]} f6 $146 {[%cal Rf6e5]} ({Predecessor:} 19... Ne7 20. b3 Na5 21. Qe3 Qxc3 22. Rfc1 d4 23. Qf3 Qd2 24. Rd1 Qc2 25. Bxd4 Nac6 {1-0 (32) Vossenkuhl,J (2358)-Ramesh,R (2327) ICCF email 2018}) 20. b3 N4a5 {[%cal Rf6e5]} 21. exf6 gxf6 22. Qe3 Rae8 23. Bg3 {[%cal Of4f5]} Qd7 24. f5 Bxf5 25. Rxf5 $2 exf5 $17 26. Qf2 d4 27. c4 Nb7 {[%cal Ba5b7,Bb7c5,Bc5e4][%mdl 32]} 28. Bf3 (28. Bf4 $17) 28... Nc5 $19 29. Bd5+ Kh8 30. Nf4 Ne4 31. Bxc6 Qxc6 32. Qxd4 Qc5 33. Qxc5 Nxc5 ({Not} 33... bxc5 34. Be1 $17) 34. Rd1 Rf7 35. Kf1 (35. Bh4 $17) 35... Rd7 36. Nd5 (36. Rxd7 $142 Nxd7 37. Be1) 36... Ne4 37. Bf4 (37. a4 $142) 37... b5 38. Rc1 bxc4 39. bxc4 Rc8 40. Ke2 Rb7 41. Rc2 Kg7 42. g3 Kf7 43. Kf3 Nc5 44. Ne3 Kg6 45. Rd2 Rd7 46. Nd5 (46. Ke2 $142) 46... Ne4 47. Rd4 {[#]} Nc3 $1 {[%mdl 512]} 48. Ke3 (48. a4 Rc5) 48... Nxd5+ 49. cxd5 {[%mdl 4096] Endgame KRR-KRB} Rc3+ ({Don't blunder} 49... Rc2 $2 50. d6 $19) 50. Kd2 Ra3 51. h4 Rb7 52. d6 {Strongly threatening d7.} Rxa2+ 53. Kc3 Ra3+ 54. Kc2 {aiming for d7.} Rd7 55. Rd5 Rf3 56. Kd2 Kf7 57. Rc5 Ke6 58. Rc8 (58. Ra5 {keeps fighting.}) 58... Rb7 59. Re8+ Kf7 60. Rc8 {Threatens to win with Rc7+.} Rd7 (60... Rfb3 $19 61. Kc2 Rb2+ 62. Kc1 R2b4) 61. Ke2 $2 {[%mdl 8192]} (61. Rc5 $1 $11 {and White has nothing to worry.} Ke6 62. Rb5) 61... Ra3 62. Kd2 a5 63. Kc2 Rf3 ({Avoid the trap} 63... Ke6 $2 64. Rb8 $19) 64. Ra8 Rxf4 $2 65. gxf4 $17 Rxd6 66. Rxa5 $2 $19 {[%mdl 8192] [#] KR-KR. This costs White the game.} (66. h5 $17) 66... Kg6 $1 {...Kh5 is the strong threat.} 67. Ra7 h6 68. Kc3 Kh5 69. Rh7 Rd1 70. Rh8 Kxh4 71. Rxh6+ Kg3 {Black mates.} 72. Kc2 Rd5 73. Rxf6 Kxf4 74. Kc3 Kg4 75. Rg6+ Kf3 76. Rg5 Ke4 77. Kc2 Rd8 78. Rg7 f4 {[%cal Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 79. Re7+ Kf3 80. Rf7 Ke3 81. Re7+ {[#]} Kf2 $1 82. Rf7 f3 83. Rf6 Ke2 84. Re6+ Kf1 85. Rf6 f2 86. Rf7 Rd5 87. Kc3 Kg2 88. Rg7+ Kf3 89. Rf7+ Kg3 90. Kc2 Rd4 {Weighted Error Value: White=0.24 (precise) /Black=0.18 (very precise)} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "5.2"]
[White "Panjwani, Raja"]
[Black "Mista, Aleksander"]
[Result "1-0"]
[ECO "D77"]
[WhiteElo "2436"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,45,81,101,90,116,108,138,116,127,95,210,200,192,214,263,262,247,255,272,280,278,251,555,545,1555,1535,1922,1896,1829,1689,1475,1349]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 g6 5. Bg2 Bg7 6. O-O O-O 7. Nc3 b6 8. Ne5 Bb7 9. Bg5 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} h6 10. Bxf6 {White is much more active.} Bxf6 11. cxd5 {White is clearly better.} exd5 12. f4 {[%cal Bf2f4,Bf4f5,Bf5f6][%mdl 32]} Qd6 {[#]} (12... c6 $16) 13. Qb3 $146 {[%cal Rc3d5]} ({Predecessor:} 13. e4 dxe4 14. Nxe4 Bxe4 15. Bxe4 c6 16. Kh1 a5 17. Rc1 Ra7 18. Rf3 Rc7 19. a4 {½-½ (38) Kharlov,A (2555)-Schmittdiel,E (2480) Leeuwarden 1992}) 13... c6 {[#]} 14. e4 $1 Rd8 15. exd5 cxd5 16. Nb5 {Pair of Knights!} Qe7 17. f5 g5 18. Ng4 Kg7 $2 (18... Nd7 {is tougher.} 19. Nxh6+ Kg7) 19. Rae1 {[%cal Ba1e1,Be1e6,Be6e7][%mdl 32] White is clearly winning.} Qd7 20. Nxf6 Kxf6 {[#]} 21. Re6+ $3 {[%mdl 512]} Kg7 22. f6+ Kg8 23. Re7 {White took control after the opening.  Weighted Error Value: White=0.00 (flawless) /Black=0.63} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "5.3"]
[White "Ostrovskiy, Aleksandr"]
[Black "Bodek, Michael"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2409"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,27,44,33,28,30,33,37,41,35,30,36,32,28,33,25,39,16,21,19,42,23,27,16,26,19,37,15,18,10,16,14,20,10,4,12,33,9,22,0,0,0,0,-17,0,0,0,0,0,0,0,-13,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nf3 c6 4. Bc4 d5 5. Bb3 Bg4 6. h3 {B06: Modern Defence.} (6. Nbd2 {with more complications.} e6 7. exd5 exd5 8. O-O Ne7 9. h3) 6... Bxf3 7. Qxf3 {[%cal Re4d5]} e6 8. c3 {White is slightly better.} Nf6 9. Nd2 (9. e5 {is more complex.} Nfd7 10. Be3 c5 11. O-O Nc6 12. Qe2) 9... Nxe4 10. Nxe4 dxe4 11. Qxe4 Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 12. O-O O-O {[#]} 13. Rd1 $146 ({Predecessor:} 13. Re1 a5 14. h4 a4 15. Bc2 e5 16. dxe5 Nxe5 17. Bxa4 Nd3 18. Bg5 Qb6 19. Qxd3 Rxa4 {1-0 (33) Czarnota,D (2229)-Hedstrom,J (2043) Stockholm 2010}) 13... Re8 14. Qf3 Qe7 15. Qg3 Nf6 16. Re1 Nd5 17. Bd2 Qc7 18. Qf3 a5 19. Rad1 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 20. g3 b4 21. c4 Ne7 22. Bf4 Qa7 23. Be5 (23. Ba4 $5 {[%cal Rd4d5]}) 23... Bxe5 {The position is equal.} 24. Rxe5 a4 25. Bc2 Red8 26. c5 Rd5 27. Rxd5 Nxd5 28. Be4 Rd8 29. a3 Qb7 30. Kg2 Kg7 31. h4 h5 32. Bc2 Qa6 33. Bd3 Qa5 34. Be4 Qb5 35. Bd3 Qa5 36. Be4 Qb5 {Weighted Error Value: White=0.07 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "5.4"]
[White "Guo, Arthur"]
[Black "Lee, Michael"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2412"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,109,10,16,12,14,-22,-20,-30,-21,-29,-17,-29,-18,-18,-7,-20,33,24,25,0,17,12,8,0,56,45,84,87,181,142,145,145,189,138,164,157,145,66,64,27,27,27,28,18,38,16,17,20,320,310,304,281,299,264,258,248,426,390,454,445,477,436,458,356,500,491,483,476,539,535,482,275,287,291,385,207,208,163,161,81,67,73,43,21,7,0,0,0,0,0,0,0,101,101,101,101,101,0,101,101,101,96]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {[%cal Oe5e6] B12: Caro-Kann: Advance Variation.} Qa5+ 7. b4 Qxb4+ 8. Nd2 {[%cal Oe5e6] The position is equal.} e6 9. Rb1 $1 Qe7 10. Ne2 Qd7 11. c4 {[#]} Ne7 $146 ({Predecessor:} 11... Nh6 12. O-O Nf5 13. Nf3 Be7 14. Bg5 dxc4 15. Qxc4 Na6 16. Ng3 Nxg3 17. fxg3 f6 18. exf6 gxf6 19. Bf4 O-O-O 20. Qxa6 {1-0 (20) Swiercz,D (2647)-Makhnev,D (2513) Chess.com INT 2021}) 12. Ba3 Nc8 (12... b6 $11) 13. Bxf8 Kxf8 14. Nf3 b6 15. O-O {[%mdl 1024] White has compensation.} Ne7 16. Ng3 g6 (16... Kg8 $11) 17. Ng5 $14 Kg7 18. Qf3 $1 {Intending Qf6+ and mate.} Ng8 {To avoid Qf6+} (18... Qe8 $16) 19. Rbc1 Na6 20. cxd5 $1 cxd5 {[#]} 21. Rc3 (21. Rc6 $3 $18 {[%mdl 512]}) 21... Nc7 22. Rfc1 Ne8 23. Rc6 (23. Ne2 $1 $16 {[%cal Re2f4]}) 23... Nh6 24. Qd1 {White is much more active.} Ng8 25. R6c3 Nh6 26. a4 Rd8 27. Ne2 Nf5 28. Nf4 {[%cal Oc3c7] aiming for Rc7!} Nxh4 $2 {[%mdl 8192] [#]} (28... Kg8 $1 $11 {and Black stays safe.}) 29. Rc7 $3 $18 {[%mdl 576] Decoy} Nxc7 {[#]} 30. Rxc7 {[%mdl 512]} Qxc7 {[#]} 31. Nfxe6+ $1 {[%mdl 512]} fxe6 32. Nxe6+ Kg8 $2 (32... Kh7 {keeps fighting.} 33. Nxc7 Rd7) 33. Nxc7 Rh7 34. Ne6 Rc8 35. Qb3 Rd7 36. Qg3 Rc6 (36... Rc1+ {might work better.} 37. Kh2 Rc6) 37. Nf4 Nf5 38. Qg5 Nxd4 39. Nxh5 (39. Nxg6 $2 {[#]} Nf3+ $1 40. gxf3 Rxg6 $1 41. Qxg6+ Rg7 $19) 39... Kf7 40. Nf4 (40. Qf4+ $142 Ke7 41. Qh4+ (41. Qxd4 Rc1+ 42. Kh2 Rc4 $18) (41. Ng3 Nf5 $18) 41... Ke8 42. Nf6+ (42. Qxd4 gxh5 43. f4 Rc1+ 44. Kh2 Rc4 $18) 42... Rxf6 43. Qxf6) 40... Ke8 41. Qh4 ({Worse is} 41. Nxg6 Rg7 42. Qh4 Rcxg6 $11) 41... Ne6 (41... Rc1+ $2 42. Kh2 Rc6 43. Qh8+ Ke7 44. Qh7+ Kd8 45. Qg8+ Kc7 46. e6 Nxe6 47. Nxe6+ Rxe6 48. Qxe6 $18) 42. Qh8+ (42. Nxg6 $142 {Strongly threatening f4.} Rf7 43. f4) 42... Nf8 43. g3 {And now e6 would win.} Kf7 {Inhibits e6+.} 44. Nh3 (44. Kg2 $18) 44... d4 $16 45. Ng5+ Ke7 46. Qg8 {Black must now prevent Qf7+.} (46. e6 $5 Rxe6 47. Kf1 $16 (47. Nxe6 Nxe6 48. Kf1 g5 $14)) 46... Ke8 {Inhibits Qf7+. ...d3 is the strong threat.} 47. e6 {Chess con chili.} Re7 {Hoping for ...d3.} 48. Kf1 d3 49. Ke1 Rc5 50. f4 {[%cal Bf2f4,Bf4g5][%mdl 32]} Rxg5 51. fxg5 Rxe6+ 52. Kd2 Rd6 53. Qg7 (53. Qh8 $16) 53... Rd7 (53... Nd7 $11 {remains equal.}) 54. Qf6 Rd8 55. g4 {Black escapes into a draw.  Weighted Error Value: White=0.23 (precise) /Black=0.38} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "5.5"]
[White "Liang, Jason"]
[Black "Korley, Kassa"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2419"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,86,0,15,0,7,0,0,-10,37,0,0,0,33,-79,-70,-58,-65,-85,-93,-77,-71,-87,-77,-78,-92,-162,-121,-241,-258,-385,-368,-345,-360,-326,-230,-210,-225,-223,-223,-259,-239,-239,-239,-239,-239,-239,-239,-239,-239,-239,-239,-239,-239,-239,-224,-213,-213,-1610,-1419,-12836,-12835,-12837,-12837,-1788,-1304,-12841,-12842,-12842,-12843]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 6. Na3 cxd4 7. cxd4 Nf5 8. Nc2 Bd7 9. Be2 Qb6 10. O-O a5 11. b3 {C02: French: Advance Variation.} Rc8 12. Rb1 Be7 13. a3 {[#] The position is equal.} h5 $146 (13... Na7 $11) ({Predecessor:} 13... Na7 14. b4 Ba4 15. Bd3 axb4 16. axb4 Nb5 17. Bb2 O-O 18. Qd2 Bxc2 19. Bxc2 Rc4 {½-½ (62) Istona,M (2240)-Bombek,P (2207) Slovakia 2017}) 14. b4 axb4 15. axb4 Na5 (15... Nxb4 $2 16. Nxb4 Qa7 17. Bf4 $18) (15... Bxb4 $2 16. Ba3 $18) 16. Na3 (16. Ne3 $14 {stays ahead.}) 16... Nc4 $17 {Black is much more active.} (16... Bxb4 $2 17. Bd2 $18) 17. Nxc4 dxc4 18. d5 {Inhibits Bc6. Black converts the advantage convincingly.} exd5 19. Qxd5 Be6 20. Qe4 O-O {[%cal Bh8f8,Bf8d8,Bd8d4][%mdl 32]} (20... Bxb4 $2 21. Ba3 $1 $18 {[%mdl 512]}) 21. Bg5 Rfd8 (21... Bxb4 $2 22. Bd2 $18) 22. g3 (22. Rfd1 $17) 22... g6 (22... c3 $19 {Hoping for ...Bxg5.} 23. Rbc1 (23. Bxe7 Nxe7 24. Rbc1 c2 $17) 23... g6 24. Bxe7 Nxe7) 23. Qf4 (23. Rfd1 $17) 23... Nd4 $19 24. Nxd4 (24. Rfe1 $142 Nxf3+ 25. Bxf3 Bxg5 26. Qxg5) 24... Rxd4 25. Qe3 Bxg5 26. Qxg5 Qd8 27. Qxd8+ Rcxd8 ({Stronger than} 27... Rdxd8 28. Rfd1 $17) 28. Bf3 b5 {And now ...c3 would win.} 29. Ra1 c3 30. Rfc1 Rc8 ({Don't blunder} 30... Rxb4 $2 31. Rxc3 Rd2 32. h4) 31. Ra8 Rxa8 32. Bxa8 Rxb4 33. Rxc3 {[%mdl 4096] Endgame [#] KRB-KRB} Ra4 $1 34. Bb7 b4 35. Rc5 b3 36. Rb5 {Prevents Rb4.} Bc4 37. Rb6 Ra5 {White must now prevent ...Rb5.} 38. f4 $2 (38. e6 f5 39. Bc6) 38... Rb5 {Black is clearly winning.} 39. Rxb5 Bxb5 40. e6 fxe6 41. Be4 Be2 42. Bxg6 Bg4 43. Bd3 b2 {Weighted Error Value: White=0.80/Black=0.24 (precise)} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "6.1"]
[White "Dragun, Kamil"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2590"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,59,0,-5,0,-4,14,-3,40,46,39,13,22,0,0,0,0,0,27,23,21,17,18,0,0,-22,-19,-28,21,19,21,23,19,19,22,25,26,19,40,35,28,33,33,0,40,14,22,0,14,0,22,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Ne5 O-O 6. Nd2 b6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. h4 $1 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 4] is recently more successful than 7.Bd3.} Bb7 8. h5 {[#]} Nbd7 $146 (8... c5 $11 {is more appropriate.}) ({Predecessor:} 8... h6 9. Qf3 Nc6 10. Qg3 Kh8 11. Nxc6 Bxc6 12. Bxd6 cxd6 13. c3 Qe7 14. Be2 b5 {0-1 (67) Tabatabaei,M (2555)-Caruana,F (2765) Riga 2021}) 9. h6 $14 g6 10. Bb5 c6 11. Bd3 {[%cal Oe5g6] aiming for Nxg6!} ({Much worse is} 11. Bxc6 Bxc6 12. Nxc6 Qc7 13. Bxd6 Qxd6 $11) 11... Qc7 {[%cal Rd7e5]} 12. Ndf3 c5 13. c3 c4 14. Bc2 b5 15. g4 Ne4 16. Nxd7 Qxd7 17. Bxd6 (17. g5 {keeps more tension.} Bxf4 18. exf4 f6 19. gxf6 Rxf6 20. Ne5) 17... Qxd6 18. g5 f6 (18... Qe7 $142) 19. gxf6 $11 Rxf6 20. Bxe4 dxe4 21. Ne5 Raf8 22. Rh2 Bd5 23. a3 a5 24. Qg4 Qc7 25. Qg3 Rf5 26. Rg2 R8f6 27. Ng4 Rf7 {The position is equal.} 28. Ne5 R7f6 29. Ng4 Rf7 30. Ne5 {Weighted Error Value: White=0.09 (flawless) /Black=0.10 (very precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "6.2"]
[White "Lee, Michael"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2379"]
[BlackElo "2419"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:47]} d5 {[%emt 0:00:11]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:05]} a6 {[%emt 0:00:20]} 4. cxd5 {[%emt 0:00:46]} exd5 {[%emt 0:00:07]} 5. Nf3 {[%emt 0:00:07]} c6 {[%emt 0:00:09]} 6. Bf4 {[%emt 0:00:39]} Bd6 {[%emt 0:00:13]} 7. Bxd6 {[%emt 0:00:46]} Qxd6 {[%emt 0:00:07]} 8. e4 {[%emt 0:00:17]} dxe4 {[%emt 0:00:29]} 9. Nxe4 {[%emt 0:00:04]} Qe7 {[%emt 0:00:21]} 10. Qe2 {[%emt 0:00:05]} Nd7 {[%emt 0:00:29]} 11. Nd6+ {[%emt 0:01:10]} Kf8 {[%emt 0:00:20]} 12. Nc4 {[%emt 0:01:31]} Ngf6 {[%emt 0:01:57]} 13. O-O-O {[%emt 0:02:21]} Qxe2 {[%emt 0:24:10]} 14. Bxe2 {[%emt 0:00:05]} Ne4 {[%emt 0:01:04]} 15. Rhf1 {[%emt 0:00:36]} Ndf6 {[%emt 0:01:17]} 16. Nfe5 {[%emt 0:12:34]} Be6 $11 {[%emt 0:02:21]} 17. f3 {[%emt 0:06:52]} Bxc4 {[%emt 0:00:17]} 18. Nxc4 {[%emt 0:06:59]} Ng5 {[%emt 0:00:14]} 19. Na5 {[%emt 0:00:09]} Rb8 {[%emt 0:05:01]} 20. Bc4 {[%emt 0:00:32]} Nd5 {[%emt 0:01:17]} 21. Rfe1 {[%emt 0:07:47]} Ne6 {[%emt 0:02:04]} 22. Bxd5 {[%emt 0:14:26]} cxd5 {[%emt 0:00:09]} 23. Re5 {[%emt 0:00:14]} b6 {[%emt 0:01:08]} 24. Nb3 {[%emt 0:00:05]} Rd8 {[%emt 0:00:51]} 25. Na1 {[%emt 0:00:33]} Ke7 {[%emt 0:03:42]} 26. Nc2 {[%emt 0:01:01]} f6 {[%emt 0:01:05]} 27. Re3 {[%emt 0:02:35]} Kd6 {[%emt 0:00:28]} 28. Rde1 {[%emt 0:00:08]} Rhe8 {[%emt 0:00:59]} 29. Kd2 {[%emt 0:01:07]} Rc8 {[%emt 0:01:04]} 30. b3 {[%emt 0:00:36]} Nc7 {[%emt 0:02:47]} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "6.3"]
[White "Bodek, Michael"]
[Black "Guo, Arthur"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2418"]
[BlackElo "2412"]
[Annotator "NA"]
[PlyCount "75"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:03]} e5 {[%emt 0:00:26]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:06]} 3. Bc4 {[%emt 0:00:04]} Bc5 {[%emt 0:00:22]} 4. c3 {[%emt 0:00:25]} Nf6 {[%emt 0:00:05]} 5. d3 {[%emt 0:00:05]} d6 {[%emt 0:00:06]} 6. O-O {[%emt 0:01:02]} h6 {[%emt 0:00:22]} 7. Bb3 {[%emt 0:00:54]} a6 {[%emt 0:00:46]} 8. Re1 {[%emt 0:01:22]} Ba7 {[%emt 0:00:31]} 9. Nbd2 {[%emt 0:07:32]} g5 {[%emt 0:01:52]} 10. Nf1 {[%emt 0:09:23]} g4 {[%emt 0:00:13]} 11. N3d2 {[%emt 0:02:35]} Nh5 {[%emt 0:00:47]} 12. Nc4 {[%emt 0:07:15]} Qf6 {[%emt 0:00:33]} 13. Be3 {[%emt 0:02:38]} Nf4 {[%emt 0:00:32]} 14. Bxa7 {[%emt 0:04:20]} Nxa7 {[%emt 0:00:05]} 15. Nce3 {[%emt 0:03:41]} h5 $14 {[%emt 0:02:00]} 16. Nd5 {[%emt 0:16:02]} Nxd5 {[%emt 0:00:54]} 17. exd5 {[%emt 0:03:06]} Bd7 {[%emt 0:00:20]} 18. d4 {[%emt 0:01:38]} O-O-O {[%emt 0:00:13]} 19. dxe5 {[%emt 0:01:04]} dxe5 {[%emt 0:00:07]} 20. Qe2 {[%emt 0:01:53]} Rhe8 {[%emt 0:05:35]} 21. c4 {[%emt 0:02:35]} Kb8 {[%emt 0:13:36]} 22. Rac1 {[%emt 0:06:24]} c5 {[%emt 0:01:39]} 23. Nd2 {[%emt 0:03:13]} Qe7 {[%emt 0:14:22]} 24. Ne4 {[%emt 0:01:47]} b6 {[%emt 0:05:34]} 25. Nc3 {[%emt 0:01:03]} f5 {[%emt 0:01:31]} 26. Ba4 {[%emt 0:03:24]} Nc8 {[%emt 0:02:29]} 27. Rb1 {[%emt 0:02:50]} Ka7 {[%emt 0:05:00]} 28. Qc2 {[%emt 0:04:20]} Nd6 {[%emt 0:05:37]} 29. Bxd7 {[%emt 0:01:37]} Rxd7 {[%emt 0:02:10]} 30. Qa4 {[%emt 0:02:01]} Rc7 {[%emt 0:03:00]} 31. b4 {[%emt 0:03:51]} Qd7 {[%emt 0:16:13]} 32. bxc5 {[%emt 0:01:35]} Qxa4 {[%emt 0:00:02]} 33. cxb6+ {[%emt 0:00:20]} Ka8 {[%emt 0:00:00]} 34. Nxa4 {[%emt 0:00:27]} Rxc4 {[%emt 0:00:05]} 35. b7+ {[%emt 0:00:45]} Ka7 {[%emt 0:04:08]} 36. Nb6 {[%emt 0:07:11]} Rb8 {[%emt 0:07:02]} 37. Nxc4 {[%emt 0:00:00]} Nxc4 {[%emt 0:10:37]} 38. Rb4 {[%emt 0:00:00]} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "6.4"]
[White "Mista, Aleksander"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2551"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,19,16,18,13,11,37,5,31,9,5,-4,34,-34,-23,-70,-61,-44,-51,-57,0,0,-10,-52,-60,-80,0,0,0,0,0,0,58,43,673,546,29988,29989,29989,29981]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Ne2 Re8 9. O-O {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Nd7 {9...Nd7 scores better than 9...Qc7.} 10. Ng3 g6 {Prevents Nf5.} 11. Bh6 {White is slightly better.} (11. Ne4 $5 {[%cal Re4d6]} Nb6 12. Nxd6 Qxd6 13. Qf3 $14) 11... Nf8 12. Qd2 Ne6 {[#]} 13. Rae1 $146 ({Predecessor:} 13. Rad1 f5 14. d5 cxd5 15. Bb5 Bd7 16. Qxd5 Bxb5 17. Qxb5 Qc7 18. Rfe1 a6 19. Qd5 {½-½ (83) Willow,J (2396)-Gourlay,I (2342) Newcastle on Tyne 2021}) 13... Bd7 14. f4 ({White should try} 14. Ne4 $14 Be7 15. f3) 14... f5 $15 15. Bxf5 gxf5 16. Nxf5 Bc7 17. Rf3 $1 {Rg3+ is the strong threat.} Nf8 (17... Kh8 $1 $15 18. Rg3 Rg8 19. Rxg8+ Qxg8 20. Rxe6 Bxe6 21. Bg7+ Qxg7 $1 22. Nxg7 Kxg7) 18. Rxe8 $11 Qxe8 19. Ng7 (19. Re3 $11 Be6 20. Bg5 Bxf5 21. Rxe8 Rxe8 22. h3) 19... Qe4 $15 {[%cal Oc6c5]} 20. Nh5 {[#]} Qf5 {Prevents Nf6+.} ({Black should play} 20... Qb1+ $1 $17 21. Kf2 Bf5) 21. g4 Qb1+ (21... Qxg4+ $2 22. Rg3 Qxg3+ 23. hxg3 $18) 22. Kf2 $1 {Hoping for f5.} Bd8 (22... Qh1 $2 23. Nf6+ Kh8 24. Rh3 (24. Bxf8 Qxh2+ 25. Ke3 Qg1+ 26. Qf2 Qc1+ 27. Qd2 Qg1+ 28. Qf2 Qc1+ 29. Qd2 Qg1+ $11) 24... Bxg4 25. Nxg4 $18) 23. f5 {Black must now prevent Bxf8.} Qh1 (23... Qxa2 $2 24. Bxf8 Bh4+ 25. Kg2 Kxf8 26. Qh6+ Ke7 27. Kh3 Qxb2 28. Qf4 $18 (28. Kxh4 Qxh2+ 29. Rh3 Qf2+ 30. Rg3 Qh2+ 31. Rh3 Qf2+ 32. Rg3 Qh2+ 33. Rh3 $11)) ({Better is} 23... Bh4+ $11 24. Kg2 Qe4) 24. Rh3 $14 {Strongly threatening Bg5. Dancing on a razor blade.} Ng6 $2 {[%mdl 8192]} 25. fxg6 fxg6 {[#]} 26. Qf4 {[%csl Gh6][%cal Rf4f8] Inhibits Qe4.} Be7 27. Nf6+ {Weighted Error Value: White=0.22 (precise) /Black=0.94} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.19"]
[Round "6.5"]
[White "Mishra, Abhimanyu"]
[Black "Panjwani, Raja"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2505"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,148,43,38,49,37,47,37,45,18,54,49,50,0,0,0,0,-7,30,22,29,7,41,37,41,53,41,43,57,45,45,35,65,56,75,45,61,42,120,127,127,122,241,239,320,311,408,185,210,153,138,160,129,148,136,0,0,0,0,0,0,0,0,0,0,0,0,-81,-64,-161,-157,-239,-122,-126,-114,-111,-64,-122,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-624,-510,-439,-403,-4546,-2062,-1822,-2118,-12834,-12835,-12840,-12837,-12841,-12841,-12841,-12839,-12839,-12839,-12840,-12840,-12841,-12841,-12843,-12844,-12844,-12845,-12846,-12846,-12847,-12847,-12847,-12847,-12849,-12847,-12849,-12847]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. d4 Qe7 8. Re1 Bg7 9. Nbd2 O-O 10. h3 {[#]} a5 $146 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} ({Predecessor:} 10... Nh7 11. Nf1 Ng5 12. Nxg5 hxg5 13. d5 Nb8 14. Bd3 Nd7 15. Ne3 a5 16. b4 f5 17. exf5 e4 18. fxg6 Bxc3 {1-0 (65) Jones,G (2682)-Howell,D (2696) London 2018}) 11. Nf1 a4 12. Ng3 Bd7 {White is slightly better.} 13. Be3 Nh7 14. Qc2 h5 15. dxe5 (15. d5 $14 Na5 16. Bd3) 15... Nxe5 $11 16. Nxe5 dxe5 17. b4 b6 {Inhibits Bc5.} 18. Rad1 Rfd8 19. Rd2 (19. a3 {looks sharper.} Nf8 20. Ne2 Rac8 21. Rd3 b5 22. Ba2) 19... Be8 20. Rxd8 Rxd8 21. b5 $1 a3 22. Qb3 Ng5 23. Bd5 Ne6 24. c4 Bf8 25. Ne2 Qf6 26. Qc3 Bd6 27. Rf1 {[%cal Of2f4]} Qe7 (27... Bd7 $14) 28. f4 $1 $16 exf4 29. Nxf4 Bd7 (29... Kh7 $16) 30. Nd3 $1 $18 Qh4 31. Rf3 Be8 32. Ne5 (32. Bxe6 $142 {And now Bh6 would win.} fxe6 33. c5 (33. Bh6 Qe7 $18) 33... bxc5 34. Bh6 (34. Nxc5 Qe7 $16) (34. Bxc5 Qxe4 35. Bxd6 Rxd6 $14)) 32... Qe7 {[#]} 33. Nxg6 $1 {[%mdl 512]} fxg6 34. Rf6 Bb4 {[#]} (34... Bf7 $2 35. Bxe6 Bxe6 36. Rxg6+ Kh7 37. Rh6+ Kg8 38. Rh8+ Kf7 39. Rh7+ Ke8 40. Rxe7+ $18) 35. Rxe6 $1 {[%mdl 512]} Rxd5 {[#]} 36. Rxe7 (36. exd5 $2 Qxe6 37. Qxa3 Bxa3 $19) (36. cxd5 $1 $16 Qxe6 37. Qxb4) 36... Rd1+ $11 37. Kf2 {[%csl Ge7][%cal Rc3g7]} Bxc3 38. Rxe8+ {[%cal Be7e8,Be8a8,Ba8a7,Ba7c7][%mdl 4128] Endgame KRB-KRB} Kf7 39. Ra8 Ba5 $1 {Strongly threatening ...Ra1.} 40. Ra7 Ra1 41. Rxc7+ Ke8 42. Bd4 (42. Rc8+ Kd7 43. Rc6 Rxa2+ 44. Kf3 Ra1 $15) (42. c5 $11 {remains equal.} Rxa2+ 43. Kf3) 42... Rxa2+ $17 43. Kf3 (43. Ke3 $1 $15) 43... Rd2 $19 {[%mdl 1024] Black has strong compensation.} 44. Bf6 (44. Bh8 $17) 44... Rd1 ({Better is} 44... a2 $1 $19 {aiming for ...Rd3+.} 45. c5 Rd1) 45. Ke2 $17 Re1+ 46. Kd3 a2 (46... Rf1 $1 $17 {[%cal Rf1f6]} 47. Bh8 a2) 47. c5 {[#]} ({White should try} 47. Re7+ $15 Kf8 48. Ra7) 47... bxc5 (47... Rf1 $1 $17 {[%cal Rf1f6]} 48. Bb2 bxc5) 48. Re7+ $1 $11 Kf8 49. Ra7 a1=Q 50. Bxa1 Rxa1 {KRB-KR} 51. Ra8+ $1 Ke7 52. b6 $1 {Black must now prevent b7.} c4+ 53. Kc2 (53. Kxc4 $2 Rc1+ 54. Kb5 Rb1+ 55. Ka6 Bxb6 $19) 53... Ra2+ 54. Kd1 $1 ({Avoid the trap} 54. Kb1 $2 Ra3 55. b7 Rb3+ 56. Kc2 Bc7 $19) 54... Ra1+ (54... c3 $5 55. Kc1 {[#]} (55. b7 $2 Rd2+ 56. Kc1 Bc7 $19) 55... Rxg2 $1 56. Rxa5 Rb2 $11) 55. Kc2 {b7 is the strong threat.} Ra2+ 56. Kd1 $1 ({Not} 56. Kb1 $2 Ra3 57. b7 Rb3+ 58. Kc2 Bc7 $19) 56... c3 57. b7 $2 {[%mdl 8192]} (57. Kc1 $11) 57... Rd2+ $19 58. Kc1 Bc7 59. b8=Q (59. Rc8 $142 Be5 60. Rc5) 59... Bxb8 {Black is clearly winning.} 60. Rxb8 Rxg2 {KR-KR} 61. Rb6 h4 62. e5 g5 63. Rc6 Rg3 64. Rg6 Kf7 65. Rf6+ Kg7 66. Rf5 Kg6 67. Rf6+ Kh5 68. e6 Rxh3 69. Rf8 Re3 70. Re8 Kg4 71. e7 h3 {[%cal Bh4h3,Bh3h2][%mdl 32]} 72. Kc2 h2 73. Rh8 Kg3 74. Rh5 g4 {What a fight!  Weighted Error Value: White=0.40/Black=0.18 (very precise)} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "7.1"]
[White "Panjwani, Raja"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[WhiteElo "2436"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,14,0,-2,5]} 1. Nf3 {Wojtaszek,Radoslaw} Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qc2 Nbd7 {[#] An uneventful encounter. E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} {Predecessor:} 8. O-O $146 b6 9. Rd1 Ba6 10. b3 O-O 11. a4 h6 12. a5 Qc8 13. Na3 c5 14. Qb2 bxa5 15. Bxa5 Rb8 16. Qa2 dxc4 17. Nxc4 Bb7 18. Rdc1 Bd5 19. Bd2 {½-½ (67) Wojtaszek,R (2705)-Anton Guijarro,D (2679) Wijk aan Zee 2021 CBM 200 [Wojtaszek,Radoslaw]} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "7.2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2409"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,56,20,18,20,22,14,10,17,17,11,10,40,17,9,19,10,16,18,14,27,0,0,0,0,0,43,45,41,49,31,-5,-6,-11,-9,-71,2,0,0,0,0,0,0,0,0,0,-4]} 1. c4 c6 2. d4 d5 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 Nf6 6. Nc3 a6 7. Be2 Bf5 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 8. Nf3 Nh5 9. Bg5 h6 10. Bh4 g5 {[#]} 11. Ne5 $146 ({Predecessor:} 11. Bg3 Nxg3 12. hxg3 Bg7 13. Qb3 b5 14. Qxd5 Qxd5 15. Nxd5 O-O 16. Rc1 Be6 17. Nc7 {1-0 (90) Zijatdinov,R (1754)-Nikitin,E Ufa 2010}) 11... gxh4 (11... Nxe5 12. dxe5) 12. Bxh5 {[%csl Ge5][%cal Rh5f7]} Nxe5 13. dxe5 e6 14. O-O Bg7 15. f4 (15. e4 dxe4 16. Re1 Bxe5 17. Nxe4 O-O $17) 15... O-O 16. Bg4 Bxg4 17. Qxg4 Qb6 {[%csl LRb2,LRe3]} 18. Rae1 Rac8 (18... Qxb2 $11 {might be stronger.} 19. Ne2 (19. Rc1 Rfc8 $17) 19... Qa3) 19. Rf2 Rc4 20. Qxh4 Bxe5 $1 21. Qg3+ Bg7 22. f5 $1 {Threatening mate with f6.} Qc7 23. Qh3 {[#]} (23. Qxc7 $11 {keeps the balance.} Rxc7 24. f6) 23... Qe7 (23... Bxc3 24. bxc3 Re4 25. Qxh6 Qxc3 26. Qg5+ Qg7 27. Qe7 $14) (23... d4 $1 $17 {[%cal Rd4c3]} 24. Nd1 exf5 25. Rxf5 dxe3) 24. Ref1 {f6 is the strong threat. The position is equal.} Qh4 ({But not} 24... Bxc3 25. bxc3 exf5 26. Qxh6 $14 (26. Rxf5 Rxc3 27. Qxh6 Qxe3+ 28. Qxe3 Rxe3 $11)) 25. Qxh4 Rxh4 26. fxe6 fxe6 27. Rxf8+ Bxf8 28. Rf6 Rb4 {Weighted Error Value: White=0.10 (very precise) /Black=0.09 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "7.3"]
[White "Guo, Arthur"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2412"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,152,16,16,16,15,25,22,26,19,9,23,16,19,0,0,5,10,10,24,20,10,13,37,36,23,0,0,-76,-23,-23,0,-16,0,0,0,-53,-70,-71,-65,-75,-87,-83,-96,-93,-88,-299,-277,-285,-283,-334,-346,-335,-331,-289,-311,-296,-250,-566,-535,-856,0,0,0,-86,-141,-306,8,6,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5038,996,5097,2177,3527,1925,5065,3990,1406,0,11,0,1370,1302,29947,29949,29957,29957,29950,2170,1185,106,984,497,980,976,629,821,519,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. a4 d6 6. a5 {C50: Hungarian Defence and Giuoco Pianissimo.} a6 7. c3 h6 8. O-O O-O 9. h3 Be6 10. Bxe6 fxe6 {[#]} 11. Be3 $146 ({Predecessor:} 11. b4 Ba7 12. Re1 Qe8 13. Be3 Nh5 14. g3 Rf6 15. Ra2 Qf7 16. Nbd2 Rf8 17. Kg2 {0-1 (58) Alekseenko,K (2699)-Zubov,A (2598) Chess.com INT 2021}) 11... Bxe3 12. fxe3 Qd7 13. Nbd2 Rae8 14. Qb3 Nd8 15. Rf2 g5 16. d4 exd4 17. Nxd4 Qh7 18. Nf5 (18. Raf1 $11 {remains equal.} Nxe4 19. Rxf8+ (19. Nxe6 Rxf2 20. Nxd8+ Kh8 $15) 19... Rxf8 20. Rxf8+ Kxf8 21. Nxe6+ Ke7 22. Nxe4) 18... Rf7 (18... Nd7 $17) 19. Ng3 $11 {[%cal Oe4e5]} Ref8 {[%cal Be8f8,Bf8f7,Bf7f3][%mdl 32]} 20. Qc4 h5 21. e5 d5 (21... dxe5 22. Nf3 Nd5 23. Nxg5 $1 Rxf2 24. Nxh7 Rxg2+ 25. Kh1 $16) 22. Qa4 (22. Qe2 $11 Nd7 23. Rxf7 Nxf7 24. e4 Nfxe5 25. exd5 exd5 26. Nxh5) 22... Nd7 $15 23. Rxf7 (23. Nf3 $2 Nc5 24. Qd4 Nb3 $17) 23... Rxf7 24. Nf3 Qg6 25. h4 gxh4 26. Qxh4 Nc6 27. Nxh5 $2 Rxf3 $1 $19 (27... Ncxe5 28. Nd4 $11) (27... Ndxe5 28. Nxe5 Nxe5 29. Ng3 $15) 28. Nf4 Qg3 29. Qh6 Ncxe5 30. Qxe6+ Kf8 $1 {[%cal Oe5g4]} 31. Qh6+ Ke8 (31... Kg8 $2 32. Qe6+ Kf8 33. Qh6+ Ke8 34. Qh5+ Kd8 35. Qh8+ Ke7 36. Qh7+ Ke8 37. Qh8+ Ke7 38. Qh7+ Kd6 39. Qh6+ Kc5 40. Qe6 Qf2+ 41. Kh1 Rxf4 42. exf4 Qxf4 43. Rd1 $19) 32. Qh8+ Ke7 {And now ...Ng4 would win.} 33. Nxd5+ $2 (33. Qh7+ Kd6 34. Qh6+ Kc5 35. Qe6 Qf2+ 36. Kh1 Rxf4 37. exf4 Qxf4 38. Rd1) 33... Kd6 34. Qh6+ {[#]} Kc5 $2 (34... Nf6 $1 $19 {[%mdl 512] ( -> ...Neg4)} 35. Nxf6 Qf2+ 36. Kh1 Rxf6) 35. Qe6 $11 {Threatening mate with b4+. Really sharp!} Qf2+ 36. Kh1 (36. Kh2 $11 {keeps the balance.} Qg3+ 37. Kh1 Qh4+ 38. Kg1 Qf2+ 39. Kh2 Qh4+ 40. Kg1 Qf2+) 36... Qxb2 $17 (36... Qh4+ $6 37. Kg1 Qf2+ 38. Kh2 Qh4+ 39. Kg1 Qf2+ $11) 37. Rd1 (37. Rg1 $2 Rf7 38. Nf4 Rh7+ 39. Nh3 Qc2 $19) (37. Qe7+ $17 Kb5 38. c4+ Kxc4 39. Rd1) 37... Rf7 $2 {[#]} (37... Rf8 $1 $19 {[%cal Rf8h8] Threatens to win with ...Rh8+.} 38. Nf6 Rh8+ 39. Kg1 Nf3+ $1 {[%mdl 512]} 40. gxf3 Qh2+ 41. Kf1 Qh1+ 42. Kf2 Rh2+ 43. Kg3 Rg2+ 44. Kf4 Qh6+ 45. Ke4 Nxf6+ 46. Kd3 Qh7+ 47. e4 Qd7+ 48. Qxd7 Nxd7) 38. Nf6 $1 $11 {[%csl Gd1,Gf6][%cal Re6d5]} Kb5 39. Rxd7 (39. Nxd7 $2 Rh7+ 40. Kg1 Nf3+ $1 {[%mdl 512]} 41. gxf3 Qh2+ 42. Kf1 Qh1+ 43. Ke2 (43. Kf2 $2 Rh2+ 44. Kg3 Qg2+ 45. Kf4 Rh4+ 46. Qg4 Rxg4+ 47. fxg4 Qf2+ 48. Kg5 Qxe3+ 49. Kg6 Qe4+ 50. Kg5 Qe3+ 51. Kg6 Qe4+ 52. Kg5 Qe3+ $19) 43... Rh2+ 44. Kd3 Qxd1+ 45. Ke4 Qc2+ 46. Kf4 Qxc3 47. Qd5+ Ka4 48. Nc5+ Ka3 $19) 39... Nxd7 40. Qxf7 Nxf6 41. Qxf6 {[%cal Oc3c4][%mdl 4096] Endgame White wants to mate with c4+! KQ-KQ} Qc1+ 42. Kh2 Qxe3 43. g4 Qe2+ 44. Kg3 Qe1+ 45. Kf4 Qd2+ 46. Kf5 Qd3+ ({Resist} 46... Kxa5 47. g5 Qd7+ 48. Qe6 Qd3+ 49. Qe4 Qh3+ 50. Kf6 $16) 47. Kg5 Qd2+ (47... Kxa5 $2 48. Qf5+ Qb5 49. c4 Qxf5+ 50. gxf5 $18) 48. Kh5 {Strongly threatening g5.} Qe2 49. Qf5+ c5 $1 50. Kg6 {Hoping for Kf6.} Qe8+ 51. Kh7 Qe7+ 52. Kh6 {aiming for g5.} Qd6+ 53. Kg7 Qe7+ 54. Kg6 Qe8+ 55. Kf6 Qh8+ 56. Kf7 {g5 is the strong threat.} Qxc3 $2 {[%mdl 8192]} (56... Qh3 $11) 57. g5 $18 {Black must now prevent g6.} Qc4+ 58. Kf8 $1 Qd4 59. g6 Qd8+ 60. Kf7 Qc7+ {[#]} 61. Kf8 $2 (61. Ke8 $1 $18 {Qd7+ would kill now.} Kxa5 62. Qf6) 61... Qd8+ $11 62. Kf7 $2 {[%mdl 8192]} (62. Kg7 $11) 62... Qc7+ $18 63. Ke8 Kxa5 64. Qf6 b6 65. g7 Qc8+ 66. Kf7 (66. Ke7 $142 Qc7+ 67. Ke6 Qc6+ 68. Ke5 Qh1 69. Qg6 (69. g8=Q Qa1+ 70. Kf5 Qb1+ 71. Kf4 Qf1+ 72. Ke5 Qa1+ 73. Kf5 Qb1+ 74. Kf4 Qf1+ 75. Ke5 Qa1+ $11) 69... Qh2+ 70. Ke6 Qa2+ 71. Ke7) 66... Qd7+ 67. Kg6 $2 (67. Kf8 $18 {has better winning chances. White threatens Qc3+ and mate.} Qc8+ 68. Ke7) 67... Qg4+ $2 {[%mdl 8192]} (67... Qd3+ $16 68. Kf7 Qd7+ 69. Kf8 Qc8+ 70. Ke7 Qc7+ 71. Ke6 Qc8+ 72. Ke5 Qe8+ 73. Qe6 Qa4) 68. Kh7 Qh5+ (68... Qe4+ $142 69. Kh8 (69. Qg6 Qh4+ 70. Kg8 Qf4 $18) 69... Qh1+ 70. Kg8 Kb4 71. Qxb6+ Kc3 72. Qxc5+ Kb3 73. Qb6+ Kc3 74. Qe3+ Kb2 75. Qe5+ Ka2 76. Qe2+ Ka1 77. Qe5+ Ka2 78. Qe6+ Kb2 79. Qxa6 Qd5+ 80. Kh7 Qe4+ 81. Qg6 Qh1+ 82. Qh6 Qe4+ 83. Kh8 Qe5) 69. Qh6 Qf5+ 70. Kh8 Qe5 {[#]} 71. Qh4 $2 (71. Qd2+ $1 $18 Ka4 72. Qh6) 71... b5 $11 {The position is equal.} 72. Qd8+ Ka4 73. Qd1+ Ka5 74. Kh7 Qf5+ 75. Kh6 Qf6+ 76. Kh7 Qf5+ {White used his chance.  Weighted Error Value: White=0.34/Black=0.19 (very precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "7.4"]
[White "Liang, Jason"]
[Black "Bodek, Michael"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2419"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,62,71,77,47,57,0,0,0,0,-18,-8,-108,-130,-168,-143,-335,-338,-366,-318,-547,-522,-602,-588,-736,-724,-930,-747,-1191,-727,-29962,-29964,-29960,-29959,-29938,-12847,-6465,-4857,-29952,-29954,-2304,-837,-29977,-29978,-29985,-29986,-29981,-29982,-29994]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} g6 2. d4 Bg7 3. Nc3 c6 4. Be3 d5 5. e5 f6 6. f4 Nh6 7. Nf3 Bg4 {7...Bg4 was played by the boomers.} 8. h3 {8.Be2 is not played anymore.} Bxf3 9. Qxf3 ({Much weaker is} 9. gxf3 Nf5 10. Bf2 Bh6 $15) 9... fxe5 {is the legacy move (9...0-0). B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 10. fxe5 (10. dxe5 {keeps more tension.} O-O 11. Qe2 Qa5 12. a3 b5 13. Qd2) 10... Nf5 {Strongly threatening ...0-0.} 11. g4 ({White should play} 11. O-O-O $14) 11... Nxe3 $11 {The position is equal.} 12. Qxe3 e6 {[%cal Oc6c5]} 13. h4 c5 {[%cal Bc6c5,Bc5d4][%mdl 32]} 14. Nb5 ({Reject} 14. dxc5 d4 15. Bb5+ Nc6 16. Bxc6+ bxc6 $17) (14. Ne2 $11) 14... O-O $17 {[#] Threatens to win with ...a6.} 15. O-O-O $146 {[#]} ({Predecessor:} 15. c3 Nc6 16. O-O-O a6 17. Nd6 cxd4 18. cxd4 Qb6 19. h5 Nxe5 20. hxg6 hxg6 21. Kb1 {½-½ (30) Lanka,Z (2535)-Hodgson,J (2570) Germany 1994}) 15... a6 $1 16. Nd6 (16. Na3 $17) 16... cxd4 $19 17. Qb3 Bxe5 18. Nxb7 (18. Nc4 {was necessary.} dxc4 19. Bxc4) 18... Qc7 {...Ra7 is the strong threat.} 19. g5 Ra7 20. Qh3 Rxb7 21. Qxe6+ Kh8 {[%cal Od4d3]} 22. Bd3 Nd7 {( -> ...Bf4+)} 23. Qxd5 Bf4+ 24. Kb1 {[#]} Rxb2+ $3 {[%mdl 512]} 25. Kxb2 Rb8+ 26. Qb3 Rxb3+ 27. axb3 Qc3+ 28. Ka2 Bd6 (28... Nc5 $142 29. Rhf1 Nxd3 30. cxd3 Qc2+ 31. Ka1 {[#]} Qxb3 $1) 29. h5 Ne5 {Black mates.} 30. Rc1 Qa5+ 31. Kb1 Bb4 32. Rcf1 {Black took control after the opening.  Weighted Error Value: White=1.94/Black=0.57} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "7.5"]
[White "Korley, Kassa"]
[Black "Lee, Michael"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2399"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,47,29,11,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,-20,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O {The position is equal. E04: Open Catalan: 5 Nf3.} 8. Qc2 Bxd2 9. Nbxd2 b5 $1 10. b3 cxb3 11. axb3 Bb7 12. Rfc1 c6 {[#]} 13. e4 $146 ({Predecessor:} 13. e3 Nbd7 14. Ne1 e5 15. Ndf3 e4 16. Ng5 c5 17. Nxe4 Bxe4 18. Bxe4 Nxe4 19. Qxe4 Nf6 20. Qe5 cxd4 21. exd4 Re8 22. Qxb5 Qxd4 23. Nf3 {½-½ (23) Hilby,C (2401)-Hong,A (2283) Irving 2017}) 13... h6 14. e5 Nd5 15. Ne4 Ra7 16. Nc5 Nd7 17. Nxb7 Rxb7 18. Qxc6 Qb8 (18... Rb6 $5 19. Qc2 Nb8 $11) 19. Nd2 ({Avoid the trap} 19. Rxa5 $2 Rc7 20. Qxc7 Nxc7 $19) 19... Rc7 20. Qd6 {aiming for Rxc7.} Rxc1+ 21. Rxc1 Qxd6 22. exd6 a4 23. bxa4 bxa4 24. Bxd5 {A balanced but interesting game.  Weighted Error Value: White=0.04 (flawless) /Black=0.02 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "8.1"]
[White "Dragun, Kamil"]
[Black "Lee, Michael"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2590"]
[BlackElo "2379"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,73,-8,42,36,29,37,34,23,26,32,32,34,45,42,50,29,29,29,44,29,40,37,49,40,47,29,39,39,39,39,39,39,39,39,39,39,48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. g3 Nf6 7. Bg2 dxe4 {Recently 7...Bb4 got a lot of attention.} (7... Bc5 $11) 8. Nxe4 $14 {B11: Caro-Kann: Two Knights Variation.} Nxe4 9. Qxe4 Qd5 10. O-O {White is slightly better.} Qxe4 11. Bxe4 Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 12. d4 Nf6 13. Bf3 O-O-O 14. c3 Nd5 {[#]} 15. Kg2 $146 ({Predecessor:} 15. Bd2 c5 16. dxc5 Bxc5 17. Rad1 Rd7 18. c4 Nb6 19. Bc3 f6 20. b4 Be7 21. Rxd7 Nxd7 22. c5 {1-0 (40) Goumas,G (2378)-Chylewski,P (2268) Krakow 2018}) 15... Be7 16. Re1 Rd7 17. Bd2 Rhd8 18. Rad1 g6 19. b4 a6 20. a4 b5 21. Rc1 Rc7 22. Ra1 Kb7 23. Ra2 Ra8 24. Rc1 Nb6 25. axb5 (25. Bf4 $14 Rcc8 26. Bd1) 25... axb5 $11 {The position is equal.} 26. Rxa8 Kxa8 27. Bf4 Rc8 28. Ra1+ Kb7 29. Ra5 {[#] Rxb5 is the strong threat.} Nd5 30. Bxd5 exd5 {[%mdl 4096] Endgame KRB-KRB} 31. Ra2 Ra8 32. Re2 Bf8 33. g4 Kc8 $1 34. Re8+ Kb7 35. Re3 Kc8 $1 36. Re8+ Kb7 37. Re3 {Weighted Error Value: White=0.05 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "8.2"]
[White "Bodek, Michael"]
[Black "Korley, Kassa"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2418"]
[BlackElo "2399"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,87,-9,-13,-10,-16,-13,-16,-16,-25,-2,-9,-9,-16,-12,-14,-12,-26,-19,-23,-26,-44,-44,-39,-38,-40,-33,-43,-10,-13,-12,-17,-13,-12,-18,-10,-14,-8,-10,-40,0,0,0,0,0,0,0,0,18,0,44,18,13,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 Nf6 6. d4 d5 7. Bg5 Bd6 8. Bd3 Qe7+ {C01: French: Exchange Variation.} 9. Qe2 Qxe2+ 10. Bxe2 Ne4 11. Be3 Nd7 {[%cal Bb8d7,Bd7b6,Bb6d5,Bd5b4][%mdl 32]} 12. O-O O-O {[#]} 13. c4 $146 ({Predecessor:} 13. Nbd2) 13... dxc4 14. Bxc4 Nb6 15. Bd3 Nf6 16. Nc3 c6 17. Rac1 Nbd5 18. Rfe1 $1 h6 19. Bd2 Be6 {[%cal Bc8e6,Be6d5,Bd5f3][%mdl 32]} 20. Na4 Nb4 21. Bb1 Bd5 22. a3 Bxf3 23. Bxb4 Bxb4 24. axb4 Bd5 25. Nc5 b6 26. Ne4 Rfe8 27. Nxf6+ gxf6 28. f3 Kf8 29. Kf2 Rxe1 30. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 31. Ke3 Ke7 (31... a5 $11 {deserves consideration.}) 32. Kd2+ Kd6 {The position is equal.} 33. Kc3 Rg8 34. Re2 Rg5 35. Be4 Be6 36. g3 a5 37. bxa5 Rxa5 38. Re1 f5 39. Bd3 f4 40. g4 Bd5 41. Be4 Be6 42. Bd3 Bd5 43. Be4 Be6 44. Bd3 {Weighted Error Value: White=0.04 (flawless) /Black=0.05 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "8.3"]
[White "Mista, Aleksander"]
[Black "Liang, Jason"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2551"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,141,0,1,0,16,0,0,-9,13,-25,-8,-12,29,20,9,16,16,20,12,0,0,0,33,0,0,0,41,27,26,0,45,55,33,5,23,0,24,22,45,16,16,11,18,0,0,0,0,0,0,-29,0,-29,0,-5,-8,-8,-23,-8,24,14,18,24,16,18,10,6,0,11,14,1,50,0,0,0,33,0,125,134,244,241,407,410,400,385,404,378,669,631,707,690,787,783,783,630,609,209,221,220,212,190,245,123,133,150,134,125,993,884,1001,1001,1001,1001,993,993,985,978,886,766,1394,1318,1125,1117,2571,1812,29959,29938,12838,12837,29980,29981,29989,29990,29990,29991]} 1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 4. Bb2 e6 5. g3 h6 6. Bg2 {A06: Réti Opening: 1 Nf3 d5.} Be7 7. O-O O-O 8. d4 {The position is equal.} c5 9. Ne5 Nc6 {[#]} 10. c4 $146 ({Predecessor:} 10. Nxc6 bxc6 11. Nd2 cxd4 12. exd4 Rc8 13. Nf3 {½-½ (13) Luna Cortes,L (2143)-Mingo Fernandez,M (2189) Mislata 2011}) 10... Rc8 (10... cxd4 $142 11. exd4 Rc8) 11. cxd5 $11 exd5 12. Nxc6 bxc6 13. dxc5 Bxc5 14. Nc3 Re8 15. Na4 Bf8 16. Bd4 Ne4 17. Bxa7 Qa5 (17... Ba3 $11) 18. Bb6 $14 Qb5 19. Re1 Nc3 20. Nxc3 Qxb6 21. Na4 Qa5 22. Qe2 (22. Bf3 $5 {[%cal Rf3g4]}) 22... Ba3 23. Red1 Rcd8 {[%cal Od5d4]} 24. Qd2 Qa7 25. Qc3 Rc8 26. Qd4 Qe7 27. Bf1 Rcd8 28. Qc3 c5 29. Bg2 (29. Bb5 $5 {[%cal Rb5e8]} Rf8 30. Qd2 $11) 29... Be6 {[%cal Od5d4][%mdl 1024] Black has compensation.} (29... d4 $5 30. exd4 Bg4 $15) 30. Rd3 Qa7 (30... d4 $5 31. exd4 Bf5 $15) 31. Qc2 d4 {Inhibits Nc3.} 32. e4 $1 Bd7 33. Nb2 Bb5 {This bishop pair is nice.} 34. Nc4 Bb4 35. a4 Bc3 36. Rb1 Ba6 37. Rdd1 Qe7 38. f3 h5 39. Bf1 Qf6 (39... h4 $11) 40. Kg2 (40. f4 $14) 40... h4 $11 41. Bd3 Bc8 42. Qf2 Qe6 (42... g6 $1 $11) 43. gxh4 $16 Qh3+ {[#]} (43... Ba6 $16 {was worth a try.} 44. Qg3 Bb4) 44. Kh1 $1 $18 Qe6 $2 (44... Ba6 45. Rg1 Bxc4 46. Bxc4 d3) 45. Rg1 Qh6 46. Rg5 Be6 47. Rbg1 Bxc4 $2 (47... Kh8 48. Qg3 Rg8) 48. bxc4 (48. Bxc4 d3 $18) 48... Rb8 49. e5 {Strongly threatening Qg3.} Kf8 50. Qg3 {[%cal Rg5g7]} Bd2 51. Rxg7 {[%cal Oe5e6] White threatens e6! and mate.} Bf4 52. Rg8+ (52. Qg4 Bxe5 53. Rg5 (53. Rh7 Qf4 $16)) 52... Ke7 53. Rxe8+ Rxe8 54. Qg4 Rb8 (54... Bxe5 $142 55. a5 Kd6) 55. Re1 ({Better is} 55. Rg2 $18) 55... Rb2 $16 {[#]} 56. Re2 Rb3 57. Qf5 {a5 is the strong threat.} Rc3 $2 {[%mdl 8192] This costs Black the game.} (57... Be3 $16) 58. Rb2 $18 ({Less strong is} 58. e6 Rc1+ 59. Kg2 Qg6+ 60. Qxg6 fxg6 $16) 58... Rc1+ 59. Kg2 {White wants to mate with Rb7+.} Qg6+ 60. Qxg6 fxg6 {[%mdl 4096] Endgame KRB-KRB} 61. Ra2 Bxe5 62. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Bb8 63. a6 {And now a7 would win.} Ba7 64. Rb2 Rc3 65. Rb7+ Kd6 66. Bxg6 Rxc4 67. Rxa7 Ra4 68. h5 {[%cal Bh4h5,Bh5h6][%mdl 32] h6 would kill now.} Ra2+ 69. Kg3 {White mates.} c4 70. h6 Rb2 71. Rb7 {Weighted Error Value: White=0.18 (very precise) /Black=0.29 (precise)} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "8.4"]
[White "Mishra, Abhimanyu"]
[Black "Guo, Arthur"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2505"]
[BlackElo "2412"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,14,12,14,10,20,20,44,47,48,10,16,-11,44,27,22,16,54,53,43,9,-8,-4,0,-20,41,0,-7,-140,-127,-121,-125,-1277,-1260,-29988,-29989,-29993,-2664,-2647,-2007,-2632,-2652,-2513,-2521,-2238,-739,-738,-743,-751,-746,-754,-747,-752,-744,-756,-748,-753,-752,-770,-766,-810,-816]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6 {now supersedes 6...0-0.} 7. Re1 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. a4 Ba7 9. Nbd2 g5 {The position is equal.} 10. b4 Nh7 11. Kh1 (11. Nb3 {is interesting.} g4 12. b5 axb5 13. axb5 Bxf2+ 14. Kxf2 Rxa1 15. Nxa1 gxf3 16. Qxf3 Qh4+ 17. Qg3) 11... O-O {[#]} 12. Rf1 $146 ({Predecessor:} 12. b5 Na5 13. d4 g4 14. Ng1 exd4 15. Bb2 Nxc4 16. Nxc4 Be6 17. b6 cxb6 18. Nd2 dxc3 19. Bxc3 {0-1 (39) Kramnik,V (2753)-So,W (2770) Paris 2021}) 12... Ne7 (12... Kh8 $11) 13. Bb2 Ng6 14. Ne1 g4 15. d4 c6 16. f3 g3 17. hxg3 Qg5 18. Kh2 d5 (18... Bb8 $11) 19. Bb3 (19. exd5 $14 Qh5+ 20. Kg1 exd4 21. cxd4 cxd5 22. Bb3) 19... Bb8 $11 {And now ...Nf6 would win.} 20. Nd3 (20. Kg1 $2 Qxg3 21. f4 Nxf4 $19) (20. exd5 $11 {keeps the balance.} Nf6 21. Rf2 (21. Kg1 Qxg3 22. Ne4 Nxe4 $17)) 20... Nf6 $1 $17 {[%cal Bh7f6,Bf6h5,Bh5g3][%mdl 32]} ({Resist} 20... exd4 21. f4 Qg4 22. exd5 $18 (22. Qxg4 Bxg4 23. Rae1 Nf6 $16)) 21. dxe5 Nxe5 22. Nf4 {[%mdl 8192] Inhibits Qh5+. Loses the game.} ({Not} 22. f4 $2 Nfg4+ 23. Kg1 Qh5 24. Qxg4+ Nxg4 $19) (22. Nxe5 $17 Bxe5 23. f4 Ng4+ 24. Kg1) 22... Nh5 $19 23. Ne2 {[#]} Nxg3 $1 {[%mdl 512]} 24. Nxg3 (24. Kg1 Nd3) 24... Qh4+ (24... Ba7 $142 25. Nf5 Bxf5 26. g4 Qh4+ 27. Kg2 Nd3 $1 28. f4 Bxg4 29. Qxg4+ Qxg4+ 30. Kh2 Qh4+ 31. Kg2 Kh7 32. Rf3 Rg8+ 33. Kf1 Qh2 $1 34. Rxd3 Rg1#) 25. Kg1 {Black is clearly winning.} Ba7+ 26. Rf2 Qxg3 {[%mdl 64] Pin} 27. Qe2 {[#]} Nd3 $1 {[%mdl 512] Strongly threatening ...Nf4.} 28. c4 (28. exd5 Nf4) 28... Qxf2+ (28... dxc4 $142 29. Nxc4 Bxf2+ 30. Kf1 {[#]} Bh3 $1 {[%mdl 512]} 31. Qxd3 Rad8) 29. Qxf2 Bxf2+ 30. Kf1 Nxb2 31. Kxf2 dxc4 32. Nxc4 Nxc4 33. Bxc4 Be6 34. Be2 f5 35. exf5 Bxf5 36. Rd1 Rad8 {Weighted Error Value: White=0.58/Black=0.38} 0-1

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "8.5"]
[White "Panjwani, Raja"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2436"]
[BlackElo "2409"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,27,27,24,18,20,28,25,33,25,58,25,25,22,21,27,24,29,23,28,29,22,21,14,20,16,26,26,32,29,40,57,80,80,115,115,120,114,116,112,188,187,194,197,227,227,218,224,224,209,218,158,163,160,141,104,112,65,59,54,68,62,33,33,118,60,66,14,20,16,11,15,115,123,320,281,409,391,378,359,354,354,542,423,388,339,720,719,714,697,650,625,664,645,2463,2118,29970,29970,5750,5734,29980,29981,29980,29982,29981,29981,29984,29983]} 1. Nf3 d5 2. d4 e6 3. c4 a6 4. Bg5 Be7 5. Bxe7 Qxe7 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Nf6 7. g3 b6 8. Bg2 {White has an edge.} Bb7 9. O-O c5 10. Rc1 {[%cal Ba1c1,Bc1c4,Bc4d4,Bd4b4,Bb4b3][%mdl 32]} Nbd7 {[#]} 11. Ne5 $146 ({Predecessor:} 11. dxc5 bxc5 12. cxd5 exd5 13. b4 cxb4 14. Nb3 O-O 15. Na5 Rab8 16. Nd4 Ne5 17. Nxb7 Qxb7 {½-½ (41) Gukesh,D (2599)-Bharath,S (2435) Plovdiv 2021}) 11... cxd4 12. Nxd7 Qxd7 13. Nf3 dxc4 14. Rxc4 Qd8 {[%cal Oe6e5]} 15. Rxd4 ({Don't blunder} 15. Nxd4 $2 Bxg2 16. Nxe6 fxe6 $19) 15... Qc7 16. Qa4+ b5 17. Qb4 Rc8 18. Rfd1 Qe7 19. a4 Qxb4 20. Rxb4 Nd5 21. Rb3 Bc6 22. axb5 Bxb5 {[#] ...Ba4 is the strong threat.} 23. Nd4 $1 Ba4 24. Bxd5 Bxb3 (24... exd5 $16 {might work better.} 25. Re3+ Kd7) 25. Bxb3 $18 Ke7 26. Ba4 Rc7 27. Nc6+ Kf6 28. f4 g5 29. Kf2 h5 30. e4 {[%cal Be2e4,Be4e5][%mdl 32]} h4 31. e5+ Kg6 32. g4 {[%cal Of4f5] Strongly threatening f5+!} gxf4 {[#]} 33. Kf3 (33. h3 $1 $16) 33... Kg5 34. h3 Rhc8 35. Rd6 {White is much more active.} Rb7 36. b3 Rbc7 (36... Rcc7 $14) 37. Ke4 (37. b4 $16) 37... Rb7 $14 38. Rd3 (38. Kd3 $14) 38... Rb6 $1 $11 39. Rc3 Rb4+ 40. Rc4 Rb6 (40... Rxc4+ $11 {remains equal.} 41. bxc4 Rc7) 41. Kd3 $16 Rc7 $2 {Loses the game.} (41... Kh6 $16 42. Nd4 (42. Rxf4 Rcxc6 43. Bxc6 Rxc6 $14) 42... Rbb8) 42. Nd4 $18 Rxc4 (42... Rcb7 $142 43. Nf3+ Kh6 44. Rxf4 Kg7 45. Nxh4 Rb4) 43. Nf3+ ({Weaker is} 43. bxc4 f3 $16) 43... Kh6 44. bxc4 {Hoping for c5.} Rb4 45. Bc2 a5 (45... Kg7 $142 46. Nxh4 Rb2) 46. Kc3 Rb8 47. Nxh4 f6 $2 (47... Rh8 48. Nf3 Ra8) 48. exf6 {And now Nf3 would win.} Kg5 49. Nf3+ Kxf6 50. g5+ {[%cal Bg4g5,Bg5g6,Bg6g7][%mdl 32]} Ke7 51. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Kd6 52. h5 e5 53. g6 a4 54. g7 {Intending h6 and mate.} a3 55. c5+ {White mates.} Kxc5 56. Bb3 e4 57. Nd2 e3 58. Nf3 {Weighted Error Value: White=0.12 (very precise) /Black=0.51} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.20"]
[Round "9.1"]
[White "Ostrovskiy, Aleksandr"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[WhiteElo "2409"]
[BlackElo "2590"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:30]} c5 {[%emt 0:02:31]} 2. Nc3 {[%emt 0:00:29]} e6 {[%emt 0:00:08]} 3. Nge2 {[%emt 0:00:27]} Nc6 {[%emt 0:00:07]} 4. d4 {[%emt 0:01:40]} cxd4 {[%emt 0:00:39]} 5. Nxd4 {[%emt 0:00:05]} Qc7 {[%emt 0:00:06]} 6. Be3 {[%emt 0:05:36]} a6 {[%emt 0:00:15]} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.21"]
[Round "9.2"]
[White "Guo, Arthur"]
[Black "Panjwani, Raja"]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2412"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,47,39,46,33,39,37,33,30,22,26,39,15,11,10,87,81,96,62,123,57,59,52,94,50,50,54,50,35,41,35,46,46,48,47,61,38,85,17,61,60,66,62,51,29,86,84,224,242,244,237,248,227,489,472,450,415,671,674,628,564,932,877]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 8. Be2 Bg7 9. Be3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} 11. f3 a4 12. Rc1 Qa5 {White is slightly better.} 13. Kf2 $1 {[%mdl 4] is more profitable than 13.Rc2 at the moment.} Be6 14. Nd5 Bxd5 15. Qxa5 Rxa5 16. cxd5 Nd7 (16... e6 $1 $11 {keeps the balance.}) 17. Rc7 $16 {[%csl LRb7,LRd7] White is more active.} Nc5 18. Rb1 Rfa8 {[#]} (18... Bf6 $14) 19. Ke1 $146 (19. Rxe7 $16 {Strongly threatening Rc7.} Bf6 20. Rc7) ({Predecessor:} 19. Kf1 Bf6 20. g4 g5 21. e5 Bxe5 22. Bxg5 e6 23. Bd2 R5a7 24. f4 Bd4 25. dxe6 fxe6 {½-½ (61) Nasanjargal,U (2482)-Gomez,J (2460) Ulaanbaatar 2019}) 19... Bf6 20. Kd1 Kg7 (20... Rb8 $14) 21. g3 (21. Rc1 $16) 21... b6 $14 22. Bd2 R5a7 23. Rc6 Rb7 24. Bb5 Bd4 25. Kc2 f5 26. exf5 gxf5 27. Re1 Kf7 (27... Ra5 $14 {is superior.} 28. Bf1 (28. Bxa5 bxa5 29. Ba6 Rxb2+ 30. Kd1 Rb1+ 31. Ke2 Rb2+ 32. Kd1 Rb1+ 33. Ke2 Rb2+ 34. Kd1 $11) 28... Ra8) 28. g4 (28. Rf1 $16) 28... fxg4 (28... Ra5 $1 $11 {was preferrable.} 29. Bf1 (29. Bxa5 bxa5 30. Bc4 Rxb2+ 31. Kc1 Rb4 $11) 29... Ra8) 29. fxg4 Kg7 30. Rf1 {[%cal Be1f1,Bf1f5,Bf5e5][%mdl 32]} Be5 31. h4 h6 (31... Ne4 $11) 32. Rf5 $36 {[%cal Od2h6][%mdl 2048] Keeping Black busy.} Ne4 {[#] A mistake that costs the game.} (32... Rh8 $16 {was worth a try.}) 33. Bxh6+ $1 $18 {[%mdl 512]} Kxh6 34. Rxe5 $1 Nc5 35. Rf5 {Inhibits Rf8.} a3 $2 (35... Ra5 36. Be2 Ra8) 36. b4 Nd7 37. Rc3 Rg8 (37... Rab8 $142 38. Bxd7 Rxd7) 38. Rh5+ {White is clearly winning.} Kg7 39. Rg5+ Kf7 40. Bxd7 {Weighted Error Value: White=0.17 (very precise) /Black=0.39} 1-0

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.21"]
[Round "9.3"]
[White "Liang, Jason"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2419"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,137,9,5,6,19,15,11,20,8,10,21,32,24,30,20,25,16,0,14,0,0,-10,9,0,0,11,0,0,18,0,0,0,1,0,0,0,18,18,21,33,30,8,17,16,27,13,24,14,12,0,0,0,0,0,0,0,13,11,23,6,7,0,0,0,0,0,0,0,0,0,126,114,134,122,137,149,172,169,168,170,170,168,175,127,133,115,96,112,132,110,114,16,16,8,8,8,8,2,2,2,2,2,2,4,4,4,4,4,4,4,12,8,8,8,12,12,19,19,19,19,19,19,19,8,19,19,19,8,19,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 Ngf6 5. O-O e6 6. Qe2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} a6 {Threatens to win with ...b5.} 7. c4 {Inhibits b5.} Be7 8. d4 cxd4 9. Nxd4 O-O 10. Nc3 Qc7 11. Kh1 Ne5 12. Bb3 {[#]} b6 $146 ({Predecessor:} 12... Bd7 13. f4 Nc6 14. Nf3 Rfc8 15. e5 Ne8 16. Bc2 g6 17. Bd2 Nb4 18. Bb3 a5 {½-½ (46) Bacrot,E (2642)-Shankland,S (2708) Belgrade 2022}) 13. f3 (13. f4 $5 {[%cal Rf4e5]} Nc6 14. Nxc6 Qxc6 15. e5 $14) 13... Bb7 14. Be3 Rac8 {[%cal Re5c4]} 15. Rfc1 Rfe8 {[%cal Re5c4]} 16. Na4 Bf8 17. a3 Ned7 18. Nc3 Qb8 19. Qd2 Rc7 20. Rc2 Ne5 21. Na4 Nfd7 22. Ba2 Ba8 23. b4 Rec8 {[%cal Re5c4]} 24. Rac1 Be7 25. Qe2 Bf6 26. Nb2 Nc6 27. Nb3 a5 28. b5 Nce5 29. Na4 Nc5 30. Nbxc5 dxc5 31. Rd2 Rd7 32. Rcd1 Rcd8 33. Bf4 {Black must now prevent Rxd7.} Rd4 34. Rxd4 (34. Bb3 {is interesting.} g5 35. Bg3 Qd6 36. Rxd4 cxd4 37. Qc2) 34... Rxd4 35. Rxd4 cxd4 36. Qd2 Qd8 37. c5 bxc5 38. Nxc5 Qb6 {[%csl LRb5,LRc5]} 39. Qc1 (39. Qxd4 Qxb5 $1 40. Bxe5 Qf1+ 41. Qg1 Qxg1+ 42. Kxg1 Bxe5 $17) 39... Qc7 (39... Qxb5 $11 40. Nxe6 fxe6 41. Qc8+ Kf7 42. Qxe6+ Kf8) 40. a4 $16 {White is more active.} h6 41. Nb3 Qxc1+ 42. Bxc1 Nd7 43. Nxa5 {Strongly threatening Ba3.} Nc5 44. Bb3 Bd8 {[#]} 45. Ba3 $1 Nxa4 46. Nc6 ({But not} 46. Bxa4 Bxa5 47. Bc5 d3 $16) (46. Nc4 $18 Nc3 47. b6) 46... Bxc6 47. bxc6 {[%mdl 4096] Endgame KBB-KBN} Nc3 48. Bc5 d3 49. Bb4 Ne2 {[#]} 50. Bd6 {Inhibits Bc7.} (50. e5 $1 $16) 50... d2 $11 {The position is equal.} 51. c7 Bxc7 52. Bxc7 Nc3 53. Be5 d1=Q+ 54. Bxd1 Nxd1 {KB-KN} 55. Bd4 {f4 is the strong threat.} f6 $1 56. e5 fxe5 57. Bxe5 Ne3 58. Kg1 Kf7 59. Kf2 Nf5 60. g4 Ne7 61. Ke3 Nc6 62. Bc3 g5 63. Ke4 Ne7 64. Be5 Ng6 65. Bg3 Kf6 66. Kd4 Ne7 67. Be5+ Kf7 68. Kc5 Nd5 69. Kd4 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.06 (flawless) /Black=0.07 (flawless)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.21"]
[Round "9.4"]
[White "Korley, Kassa"]
[Black "Mista, Aleksander"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2399"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,73,-21,-39,0,-62,0,-47,-45,-40,-43,-31,0,-18,12,0,0,0,49,40,41,26,22,34,35,29,33,0,0,0,0,0,30,39,49,40,48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-93,-29,-29,-29,-29,0,-30,0,-63,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O O-O 7. Nc3 dxc4 8. e4 Nfd7 {D78: Fianchetto Grünfeld: 6 0-0 c6.} 9. e5 {[#]} (9. Be3 $11) 9... c5 $146 (9... Na6 $15) ({Predecessor:} 9... Nb6 10. Be3 Be6 11. Ng5 Bf5 12. Nge4 Nd5 13. Qe2 Nxe3 14. Qxe3 Nd7 15. f4 Qb6 {0-1 (23) Mayeres,H (1870)-Berger,V (1660) Binz 2017}) 10. d5 (10. Be3 $11 {feels stronger.}) 10... Nxe5 $15 {Black is slightly better.} 11. Nxe5 Bxe5 12. Re1 Bd4 13. Bg5 (13. Be3 $5 {[%cal Re3d4]}) 13... f6 (13... Qb6 $5 {[%cal Rb6b2]} 14. Qe2 (14. Na4 Qb5 $15) 14... Re8 $11) 14. Bh6 Rf7 15. Nb5 Bxb2 (15... Nd7 $11 {might be stronger.}) 16. Rb1 $14 c3 {Strongly threatening ...Bf5.} 17. d6 e6 18. Nc7 Rxc7 19. dxc7 Qxc7 {[#]} 20. Bd5 $1 {Qg4 is the strong threat.} Nc6 21. Bxc6 bxc6 22. Qf3 Kf7 23. Bf4 {Prevents e5.} Qe7 24. Be5 $1 Ba6 25. Bxc3 (25. Rbd1 $1 $14 Kg8 26. Bxc3 Bxc3 27. Qxc3) 25... Bxc3 $11 26. Qxc3 Rd8 27. Qa5 Bd3 28. Rb7 Qxb7 29. Qxd8 {[%mdl 4096] Endgame KQR-KQB} c4 30. h4 {To avoid g5} e5 31. Qh8 Ke6 32. g4 {[#]} (32. Qe8+ $11 {keeps the balance.} Qe7 33. Qxc6+ Kf7 34. Qd5+ Kf8 35. g4) 32... e4 ({Better is} 32... Qc7 $1 $17) 33. Qe8+ $1 Kd6 {aiming for ...Qd7.} 34. Qd8+ Ke6 35. Qe8+ Kd6 36. Qd8+ Ke6 ({Black should play} 36... Qd7 $15 37. Qxf6+ Kc5) 37. Qe8+ $1 {Weighted Error Value: White=0.18 (very precise) /Black=0.19 (very precise)} 1/2-1/2

[Event "Charlotte Spring-A 2022"]
[Site "Charlotte"]
[Date "2022.03.21"]
[Round "9.5"]
[White "Lee, Michael"]
[Black "Bodek, Michael"]
[Result "0-1"]
[ECO "A19"]
[WhiteElo "2379"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2022.03.16"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,132,16,4,12,10,12,9,15,16,25,32,28,34,27,30,16,18,83,10,18,15,36,26,31,27,60,37,39,38,18,0,-6,-31,-27,-27,-33,-102,-88,-108,-100,-106,-104,-112,-94,-91,-60,-163,-172,-229,-131,-160,-111,-106,-86,-84,-81,-87,-64,-75,-52,-56,-60,-81,-81,-118,-102,-137,-137,-137,-137,-212,-209,-285,-158,-158,-158,-168,-164,-165,-81,-100,-86,-86,-86,-86,-88,-90,-90,-139,-132,-133,-133,-137,-132,-132,-125,-125,-125,-211,-211,-211,-211,-319,-211,-12833,-12833,-12833,-5505,-12831,-12836,-12835,-12837,-12838,-12837]} 1. c4 e6 2. Nc3 Nf6 3. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 {[%mdl 1024] White has compensation.} Ne7 {A19: English Opening: Flohr-Mikenas System with 3...c5.} 12. Bb6 Nf5 13. Qb4 Nc6 {The position is equal.} 14. Qc5 Qe7 15. Qxe7+ Nfxe7 16. O-O-O d5 17. Be2 Kf7 18. f4 {[#] Prevents Ne5.} Re8 $146 (18... dxc4 $11 19. Bxc4 Nb4) ({Predecessor:} 18... Bd7 19. g4 Rhe8 20. Bf3 Rac8 21. Kb1 Nb8 22. cxd5 exd5 23. Rhf1 Bc6 24. Bc5 Rcd8 {½-½ (87) Mikhalevski,V (2525)-Vaibhav,S (2448) Moscow 2012}) 19. Bh5+ (19. Rhe1 $16) 19... g6 $11 20. Bf3 dxc4 21. Ne4 {[%cal Bc3e4,Be4d6,Bd6c4][%mdl 32]} Kg7 22. Nd6 {[%csl LRc4,LRe8]} Rf8 23. Nxc4 e5 24. Bc5 {This bishop pair is nice.} Be6 25. Bxc6 Nxc6 26. Nb6 {To avoid Rfc8} exf4 27. Nxa8 Rxa8 28. Rhe1 ({White should play} 28. Rd6 $15 Bf5 29. Bd4) 28... Ne5 $17 29. Bd4 {[#]} Rc8+ $1 ({Much weaker is} 29... Bxa2 $6 30. Bxe5 fxe5 31. Rxe5 $11) 30. Bc3 Bxa2 {Black is more active.} 31. Rd6 g5 32. Re4 Rc6 33. Rd8 (33. Rxc6 $15 Nxc6 34. g3) 33... Kg6 $19 34. Kd1 (34. Re2 {is a better defense.}) 34... Rc5 (34... Ng4 $19 {aiming for ...Nf2+.} 35. Re7 b5) 35. Rd6 {Hoping for Rxe5.} Rd5+ ({Better is} 35... Ng4 {...Nf2+ is the strong threat.} 36. Ke1 Bd5) 36. Rd4 $17 Rxd4+ (36... Rb5 {keeps more tension.} 37. Ke2 Nf7 38. Rd7 Be6 39. Re7 Bd5) 37. Bxd4 {[%mdl 4096] Endgame KRB-KBN} Kf5 38. Ke2 Bc4+ 39. Kf2 $1 Bb5 40. Bc3 Bc6 41. h3 h5 {[%cal Bh7h5,Bh5g4,Bg4g3,Bg3g2][%mdl 32]} 42. b4 Be4 43. Kg1 g4 44. hxg4+ hxg4 45. Kf2 (45. Rd8 $17) 45... g3+ $19 46. Kf1 {[#]} f3 (46... Ng4 $1 $19 {Strongly threatening ...Ne3+.} 47. Kg1 Kg5) 47. gxf3 $17 Bxf3 48. Be1 g2+ 49. Kg1 Bc6 (49... Nf7 $19 {is more deadly.} 50. Rd3 Ke4) 50. Bc3 Be4 51. Kh2 Ng4+ 52. Kg1 Bc6 53. Bb2 Kg6 54. Bd4 (54. Bc3 $142) 54... Kf7 55. Bc5 Ne5 56. Kh2 Kg6 57. Kg1 Nf7 58. Rd1 f5 {[%cal Bf6f5,Bf5f4,Bf4f3][%mdl 32]} 59. Kh2 (59. Be3 $17 {might work better.}) 59... f4 $19 60. Re1 Kf5 61. Re7 (61. Rc1 {was worth a try.}) 61... Ng5 62. Bd6 $2 (62. Bf2) 62... f3 {( -> ...f2). Black is clearly winning.} 63. Bc5 Kf6 {[%cal Of3f2] And now ...f2! would win.} 64. Rc7 Ne6 65. Rc8 Nxc5 66. bxc5 Ke5 {Weighted Error Value: White=0.18 (very precise) /Black=0.15 (very precise)} 0-1

