[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.1"]
[White "Fishbein, Alexander"]
[Black "Espinosa Silva, Pedro"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "2438"]
[BlackElo "1755"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,154,1,29,0,0,0,0,0,0,0,0,0,0,0,8,0,35,24,17,23,23,26,18,24,27,16,19,16,41,24,25,0,25,18,82,13,6,-3,0,-8,6,5,2,-14,0,-12,-10,-7,23,32,58,50,87,84,95,101,98,62,88,83,91,90,88,98,90,91,116,117,103,105,100,90,90,87,90,90,90,90,90,90,87,87,104,42,314,417,327,340,337,173,287,204,195,144,182,9,79,89,89,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,6,6,0,0,-120,-55,-55,-55,-58,-24,-131,-51,-1044,-959,-862,-686,-29976,-29978,-29978,-29978,-29977,-29979,-29979,-29981,-29981,-29982,-29982,-29983,-29983,-29983,-29998,-29999]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nc6 5. h3 Bf5 6. Bb5 {C01: French: Exchange Variation.} Bd6 7. O-O Nge7 8. c4 {The position is equal.} dxc4 9. Bxc4 O-O 10. Nc3 a6 11. Re1 Qd7 12. Ne4 {[#]} Bb4 $146 ({Predecessor:} 12... Rae8 13. Bd2 Ng6 14. Nxd6 Rxe1+ 15. Qxe1 cxd6 16. Qe3 d5 17. Bb3 Re8 18. Qc3 Be4 {1-0 (38) Schirbel,A (2146)-Gretencord,U (2037) DESC email 2004}) 13. Bd2 Bxe4 14. Rxe4 Bxd2 15. Qxd2 Rad8 16. Rae1 Nd5 17. Rg4 Nce7 18. Ne5 Qf5 19. Rg3 (19. Qh6 $2 Qxg4 $3 {[%mdl 512]} 20. Qxh7+ Kxh7 $19) 19... c6 20. Bd3 Qf4 21. Qc2 Ng6 (21... g6 $11) 22. Rg4 (22. Bxg6 $16 hxg6 23. Rb3) 22... Qf6 $11 23. Qb3 Qe7 24. h4 (24. Bxg6 {keeps more tension.} hxg6 25. Nd3 Qc7 26. Rge4 Nf6 27. Re7) 24... Qb4 25. Qxb4 Nxb4 26. Bc4 Nd5 27. h5 Nxe5 28. dxe5 h6 29. e6 fxe6 30. Rxe6 Kh8 31. Bxd5 cxd5 $16 {[%mdl 4096] Endgame KRR-KRR} 32. Re7 Rg8 33. Kf1 (33. Rxb7 d4 $11) 33... b5 34. Ke2 d4 35. Kd3 Rd5 36. Ra7 Rxh5 37. Rxa6 Rh1 38. Rb6 (38. Rxd4 $2 Rd1+ 39. Kc3 Rc8+ 40. Kb4 Rxd4+ $19) 38... Rd1+ 39. Ke2 Ra1 40. a3 Re8+ 41. Kd2 Rf1 42. Rxb5 Rxf2+ 43. Kd3 Ree2 44. Rb8+ Kh7 45. Rb7 $1 {[%cal Rb7g7]} Rd2+ 46. Kc4 (46. Ke4 $1 $16 Kh8 47. b4 (47. Rbxg7 Rde2+ 48. Kd5 Rf8 $16) (47. Rgxg7 Rfe2+ 48. Kd5 Rxb2 $16)) 46... h5 $2 {[%mdl 8192]} (46... Rc2+ $14 47. Kd5 (47. Kxd4 Rfd2+ 48. Ke3 Re2+ 49. Kd4 Red2+ 50. Ke4 Re2+ 51. Kf5 Rf2+ 52. Ke6 Rce2+ 53. Kd6 Rd2+ 54. Kc6 Rc2+ 55. Kd6 Rcd2+ 56. Ke5 Rfe2+ 57. Re4 Rxb2 $11) 47... Kh8) 47. Rbxg7+ $18 (47. Rgxg7+ Kh6 $16) 47... Kh8 48. Rg8+ Kh7 49. R4g7+ Kh6 50. Rg6+ Kh7 51. R8g7+ Kh8 52. Ra7 $2 ({Better is} 52. b4 $18) 52... Rxb2 (52... Rc2+ $11 {keeps the balance.} 53. Kxd4 Rcd2+ 54. Ke5 Rde2+ 55. Kd5 Rd2+ 56. Ke6 Rde2+ 57. Kd6 Rd2+ 58. Ke5 Rde2+ 59. Kd6 Rd2+ 60. Ke5) 53. Rh6+ Kg8 54. Rd6 ({Much worse is} 54. Kxd4 Rbd2+ 55. Kc3 Rc2+ 56. Kb4 Rf4+ 57. Kb5 Rf5+ 58. Ka6 Rxg2 $11) (54. Rxh5 $16 Rbc2+ 55. Kxd4) 54... Rbc2+ $11 55. Kd3 {Rd8+ would kill now.} Rcd2+ 56. Ke4 Rde2+ 57. Kd3 Rd2+ 58. Kc4 Rc2+ 59. Kb5 Rf5+ 60. Kb4 Rxg2 61. a4 Rgg5 62. a5 {And now a6 would win.} Rd5 63. Rc6 {White wants to mate with Rc8+.} (63. Rdd7 {is interesting.} Rb5+ 64. Kc4 Rbc5+ 65. Kb3 Rb5+ 66. Ka4) 63... Rd8 {aiming for ...d3.} 64. Rc2 (64. Rcc7 $11) 64... d3 ({Black should play} 64... Rb8+ $17 65. Ka4 (65. Kc4 Rc8+ 66. Kb3 Rg3+ 67. Kb2 Rb8+ 68. Ka2 h4 $19) 65... Rg1) 65. Rd2 $15 h4 {Hoping for ...h3.} 66. Re7 h3 (66... Rd4+ {is more complex.} 67. Kc3 Ra4 68. Rd7 Ra3+ 69. Kd4 Rg3) 67. Re3 {[#]} (67. Re1 $1 $11) 67... Rh5 ({Black should try} 67... Rd4+ $1 $17 68. Kc3 {[%mdl 64] Double Attack} Rh4) 68. Rexd3 $2 {[%mdl 8192] [#]} (68. Re1 $15) 68... Rb8+ $1 $19 ({Not} 68... Rxd3 69. Rxd3 Rh4+ 70. Kb5 $11) 69. Kc4 h2 70. Rd8+ Rxd8 {Black mates.} 71. Rxd8+ {KR-KR} Kf7 72. Rd1 h1=Q 73. Rxh1 Rxh1 74. a6 Ke7 75. Kb5 Kd7 76. Kb6 Kc8 77. Ka7 Rh6 {What a bad dream for White.  Weighted Error Value: White=0.16/Black=0.19} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.2"]
[White "Panda, Vedic"]
[Black "Molner, Mackenzie"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2069"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,159,0,11,4,5,18,-16,-23,-10,-16,-10,-16,-23,-13,-29,-11,-52,-60,-49,-49,-117,-117,-127,-126,-140,-104,-112,-110,-114,-114,-106,-93,-95,-99,-104,-90,-141,-116,-124,-97,-104,-102,-107,-68,-62,-71,-110,-54,-89,-14,-69,-17,-62,-24,-14,-25,-17,-14,-187,-169,-176,-153,-207,-215,-238,-241,-236,-229,-233,-222,-448,-447,-441,-437,-439,-440,-436,-287,-234,-54,-54,-54,-54,-54,-54,-54,-54,-25,-28,-25,-58,-26,-61,-61,-61,-61,-61,-61,-62,-58,-58,-58,-58,-58,-58,-58,-58,-58,-58,0,-58,-58,-58,0,-58,-58,-58,-58,-58,-58,-58,-58,-58,-8,-13,-13,-13,-14,-14,-14,-14,-13,-13,-13,-13,0,-14,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. d3 Nc6 6. O-O g6 {B52: Sicilian: Moscow Variation with 3...Bd7.} 7. Re1 Bg7 8. e5 Nxe5 9. Nxe5 dxe5 10. Rxe5 {[#]} Bxb5 $146 ({Predecessor:} 10... Rc8 11. Qf3 b6 12. Na3 O-O 13. h3 Bxb5 14. axb5 Ne8 15. Re2 Nd6 16. c3 Re8 {1-0 (45) El Kher,H (2355)-McShane,L (2544) Copenhagen 2002}) 11. axb5 Nd5 12. Re1 O-O 13. Nd2 Qd7 14. Ne4 b6 (14... Qxb5 $2 15. c4 $18) 15. Qf3 (15. Ra3 $15) 15... Nb4 $1 $17 {[%cal Rb4c2]} (15... Qxb5 $2 16. c4 $18) 16. Re2 Qxb5 17. Qh3 c4 {[%cal Rc4d3]} 18. d4 Qf5 ({And not} 18... Bxd4 19. c3 $16) 19. Qh4 Nd5 20. Ra3 Nf6 21. Rf3 Qd5 22. Nc3 Qd7 23. Bg5 (23. Bh6 $142) 23... Rad8 24. Rfe3 Qxd4 25. Rxe7 Qxh4 26. Bxh4 a6 27. Ra7 b5 {White must now prevent ...b4.} 28. g3 {[#]} ({But not} 28. Rxa6 $2 b4 $1 $19) 28... Rd6 (28... Ra8 $1 $17 {[%cal Ra8a7]} 29. Rb7 Rfb8 30. Rxb8+ Rxb8) 29. Kg2 $15 h6 (29... Nd5 $17 30. Nxd5 Rxd5) 30. f4 (30. g4 $1 $11) 30... Rc6 (30... Re8 $15 31. Rxe8+ Nxe8) 31. Bxf6 Bxf6 32. Nd5 Rd8 $36 {[%mdl 2048] Black is pushing.} 33. Nb4 {[%cal Rb4c6]} Re6 34. Kf3 (34. Rxe6 $11 fxe6 35. Rxa6) 34... Rxe2 $19 ({Much less strong is} 34... Bxb2 35. Rxe6 fxe6 36. Rxa6 $15) 35. Kxe2 Bxb2 36. Nxa6 {[%mdl 4096] Endgame KRB-KRN} (36. Nc6 $17 Bd4 37. Rxa6 Re8+ 38. Kf3 Re3+ 39. Kg4) 36... Bc3 37. Rb7 Rd6 38. Nc5 Rd2+ {[%mdl 64] Double Attack} 39. Kf3 b4 {[%cal Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 40. Ne4 $2 (40. Rb8+ {keeps fighting.} Kg7 41. Rb7) 40... Rxc2 41. Nd6 b3 42. Nxc4 b2 43. Ke4 Bf6 44. Ne5 {[#]} Rxh2 (44... Be7 $1 $19 {[%mdl 512]} 45. Nd3 (45. h4 Ba3) 45... Bf6) 45. Ng4 $1 $15 {[%cal Rg4h2]} Re2+ 46. Kf3 Re6 47. Nxf6+ Rxf6 48. Rxb2 {KR-KR} Kg7 49. Rb5 Ra6 50. Rb3 Ra4 51. Rc3 h5 52. Rd3 Ra1 53. Rc3 Kh6 54. Rc7 f5 55. Rc8 Ra6 56. Re8 Kg7 57. Re7+ Kf6 58. Rb7 Ke6 59. Rb5 Kf6 60. Rb7 $1 Re6 61. Rd7 Re7 ({Black should try} 61... Rb6 $15) 62. Rd6+ (62. Rxe7 $1 $11 Kxe7 63. Ke2) 62... Kg7 63. Kg2 Re8 64. Rd7+ Kh6 65. Rf7 Ra8 66. Re7 h4 67. Kh3 {The position is equal.} hxg3 68. Kxg3 Ra3+ 69. Kf2 Kh5 {...Kg4 is the strong threat.} 70. Rg7 Rb3 71. Rg8 Rb2+ 72. Kf3 {[%cal Rg8h8]} Rb3+ 73. Kf2 Kg4 74. Rxg6+ Kxf4 75. Ra6 Rb2+ 76. Kf1 Kg4 77. Ra3 f4 78. Rc3 f3 79. Rc8 Kg3 {( -> ...Rb1+)} 80. Rg8+ {Whites escaped into a draw.  Weighted Error Value: White=0.19/Black=0.21} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.3"]
[White "Prasanna Raghuram Rao"]
[Black "Amburgy, Ryan"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2437"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,0,16,10,3,0,0,0,10,0,29,0,0,6,4,-7,4,14,21,27,28,12,57,8,0,18,2,13,20,3,4,13,41,21,12,19,14,9,21,22,136,133,346,340,335,335,314,304,359,363,611,621,586,593,2679,1960,29994,29995,29995,29996,29996,29997,29997,29998,29998,29996,29996,29997]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Bd6 6. Nc3 {[%cal Rc4d5] E01: Catalan: Early deviations.} O-O 7. cxd5 exd5 8. Nxd5 {The position is equal.} Nxd5 9. Bxd5 Be7 10. Qb3 c6 11. Bc4 Qxd4 12. Nf3 Qb6 13. Qc2 {[#]} Bf6 $146 ({Predecessor:} 13... Bh3 14. Rg1 Be6 15. Bxe6 fxe6 16. O-O-O Na6 17. Bc3 Nb4 18. Bxb4 Qxb4 19. Rd3 Rf5 {1-0 (46) Yuffa,D (2583)-Alonso Rosell,A (2554) Linares 2020}) 14. Ng5 Bxg5 15. Bxg5 Be6 16. Bd3 h6 17. Be3 Qa5+ 18. Bd2 Qd5 {[%cal Rd5h1]} 19. e4 Qd6 20. Bc3 Bg4 21. O-O (21. e5 {seems wilder.} Qc7 22. O-O Nd7 23. f4 Rad8 24. Rf2) 21... Rd8 22. Be2 Bxe2 23. Qxe2 Qe6 24. f4 f5 (24... Nd7 $11 {remains equal.}) 25. Rae1 $16 {aiming for exf5.} Re8 $2 {[#] Loses the game.} (25... Na6 $16) 26. g4 $1 $18 fxe4 27. f5 Qf7 {intending ...Nd7.} 28. f6 g6 29. Qe3 Kh7 {[#]} (29... g5 30. h4 Nd7 31. hxg5 Nf8 32. gxh6 Rad8 33. Qxa7 Rd3) 30. Rf3 $3 {[%mdl 512]} Nd7 {[#]} (30... Qf8 31. f7) 31. Rh3 h5 32. Qg5 {[%cal Rg4h5]} Qf8 {[#]} 33. Rxh5+ $1 {[%mdl 576] Deflection. White mates.} gxh5 34. Qf5+ {[%mdl 64] Double Attack} Kg8 35. Qg6+ Kh8 36. Qxh5+ Kg8 37. Qg6+ Kh8 38. Re3 {Weighted Error Value: White=0.05/Black=0.49} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.4"]
[White "Colorado Morales, Francisco"]
[Black "Ippolito, Dean"]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2003"]
[BlackElo "2369"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,56,0,0,-5,0,0,0,0,3,3,3,0,0,0,16,0,0,-52,-47,-47,-47,-62,-62,-62,-62,-62,-62,-62,-25,-62,-62,-69,-69,-75,-83,-107,-113,-112,-112,-116,-104,-104,-108,-120,-105]} 1. Nf3 Nf6 2. c4 g6 3. b4 Bg7 4. Bb2 O-O 5. g3 c6 6. Bg2 d5 7. cxd5 {7.Na3 is not played anymore.} cxd5 8. O-O {A15: English Opening: 1...Nf6.} a5 9. b5 Nbd7 10. d3 {The position is equal.} a4 11. Na3 {[#]} Re8 $146 ({Predecessor:} 11... Nb6 12. Rc1 Bd7 13. Qd2 Ne8 14. Bxg7 Kxg7 15. Ne5 Nd6 16. Qb2 f6 17. Nxd7 Qxd7 {0-1 (38) Abhirami,M (1610)-Tejaswini,S (2093) Kankarbagh 2017}) 12. Qc2 e5 13. e4 d4 14. Nc4 Bf8 15. Ba3 ({White should try} 15. b6 $11) 15... Bxa3 $15 16. Nxa3 Nb6 17. Rfc1 Bg4 18. h3 {[#]} Rc8 $1 19. Qb2 (19. Qd2 Bxf3) 19... Bxf3 20. Bxf3 Qd6 21. Kg2 h5 22. Rab1 Nfd7 23. Be2 Nf8 {Black is better.} 24. Bd1 Ne6 25. Be2 Red8 26. Kh2 Kg7 27. h4 Qe7 28. Kg2 Rh8 {Weighted Error Value: White=0.09/Black=0.03} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.26"]
[Round "1.5"]
[White "Lalor, Justin"]
[Black "Wang, Ellen"]
[Result "*"]
[ECO "D25"]
[WhiteElo "1891"]
[BlackElo "1960"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,21,30,35,26,29,36,25,34,36]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nbd7 8. O-O Bb4 {D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4.} 9. Be2 O-O 10. Bd2 c5 11. Rc1 {[#] White took control after the opening.  Weighted Error Value: White=0.03/Black=0.03} {Predecessor:} cxd4 $146 12. Nxd4 Bxe2 13. Qxe2 a6 14. Rfd1 Qe7 15. a3 Bd6 16. b4 Rac8 17. e4 h6 {½-½ (38) Galunova,T (2160)-Arnetta,M (2124) Achaea 2016} *

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.6"]
[White "Panuganti, Kireet"]
[Black "Liang, Jason"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1962"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,18,22,0,0,-15,-4,0,7,-43,-63,-47,-46,-71,-68,-68,-66,-66,-66,-66,-66,-91,-40,-42,-36,-43,-42,-45,-31,-40,-21,-41,-47,-67,-66,-116,-94,-131,-154,-225,-204,-291,-275,-571,-138,-145,-167,-840,-833,-29994,-29995]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qd7 8. Nd2 e6 9. Ngf3 Bd6 10. Ne5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} Qc7 {[%cal Rc6e5]} 11. h3 Nxe5 {[#]} 12. Bxe5 $146 {The position is equal.} ({Predecessor:} 12. dxe5 Bxe5 13. Bxe5 Qxe5+ 14. Kf1 Bf5 15. Bxf5 Qxf5 16. Qxb7 O-O 17. Kg1 Rfb8 18. Qc6 {0-1 (26) Lyell,M (2265)-Sengupta,D (2564) Hastings 2019}) 12... Bxe5 13. Bb5+ Kf8 14. hxg4 Bf4 15. f3 g6 16. O-O-O Kg7 17. Kb1 h5 18. gxh5 Nxh5 19. g4 Nf6 ({Black should play} 19... Ng3 $17 20. Rxh8 Rxh8) 20. Qc2 $15 a6 21. Bd3 Nd7 22. Nb3 b5 23. Qg2 Bg5 24. Rdf1 Qf4 25. Nc1 Nb6 26. Ka1 b4 27. cxb4 Qxd4 28. Bb1 {[#]} (28. Rxh8 $17 Rxh8 29. Bxa6) 28... Nc4 $1 $19 ({Don't take} 28... Qxb4 29. Nd3 $17) 29. Rd1 (29. Nd3 $142) 29... Qf6 {...Ne3 is the strong threat.} 30. Qe2 $2 (30. Rdg1 {was worth a try.}) 30... Rab8 $2 $40 {[%mdl 128] Black is out for blood.} (30... Rxh1 $19 {and Black stays clearly on top.} 31. Rxh1 Rh8) 31. Nd3 $17 Be3 32. Nc1 $2 {[#]} (32. Bc2) 32... Rxb4 $19 33. Rxh8 Rxb2 {[%csl Gc4,Ge3][%cal Rb2d2] Weighted Error Value: White=0.96/Black=0.34} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.7"]
[White "Vigorito, David"]
[Black "Povinelli, Braydon"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2339"]
[BlackElo "1594"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,57,22,1,22,27,60,58,55,56,58,55,53,52,60,55,53,58,62,58,50,6,37,13,70,45,49,50,65,64,75,64,60,59,101,68,201,178,201,202,229,170,272,243,295,295,273,216,337,284]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Nf3 Bf5 6. Qb3 Ra7 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} 7. Nh4 Bg6 8. Nxg6 hxg6 {White is slightly better.} 9. g3 e6 10. Bg2 Be7 11. O-O O-O {[#]} 12. Rd1 $146 ({Predecessor:} 12. e4 dxe4 13. Rd1 Nbd7 14. Nxe4 Nxe4 15. Bxe4 Qc7 16. Be3 b6 17. Bf4 Bd6 18. Bxd6 Qxd6 {½-½ (26) Jankovic,A (2525)-Erdos,V (2528) Brno 2006}) 12... b5 13. c5 a5 14. a3 Nbd7 15. e4 dxe4 16. Nxe4 Nd5 (16... a4 $11 17. Qd3 Nxe4 18. Bxe4 (18. Qxe4 Nxc5 {[%mdl 64] Pin} 19. Qxc6 Nb3 $17) 18... Qa8) 17. h4 N7f6 18. Ng5 Nh7 {[%cal Rh7g5]} 19. Nf3 Bf6 20. Bd2 Rd7 21. Qc2 Qc7 22. Qe4 Rfd8 {Loses the game.} (22... Qd8 $14) 23. g4 $18 Rc8 24. g5 Be7 25. Qg4 Bf8 (25... Nf8 {might work better.} 26. Ne5 Rdd8) 26. Rac1 Re8 27. Ne5 Rdd8 28. Be4 Ne7 (28... f5 $142 29. gxf6 Nhxf6 30. Qxg6 Nxe4) 29. h5 {Weighted Error Value: White=0.13/Black=0.28} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.8"]
[White "Johnson, Donald"]
[Black "Wang, Tianqi"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "1881"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,124,52,33,39,29,37,26,27,38,32,25,18,14,14,15,16,15,25,0,0,0,0,0,0,0,0,-33,-33,-33,-55,-53,-33,-33,-33,-39,-17,-17,-11,-22,-8,-8,-8,-8,-8,-11,-8,-11,-11,-35,-35,-35,-35,-101,-54,-46,-4,-4,-4,-4,-4,-11,-11,-11,-11,-11,-11,-11,-11,-11,0,0,0,0,0,0,-3,-3,-3,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. f3 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 11. Rc1 Qa5 12. Be2 Rfc8 13. b3 Rab8 {B36: Sicilian: Maroczy Bind: Gurgenidze System.} 14. Nd5 Qxd2+ 15. Kxd2 Nxd5 {White has an edge.} 16. cxd5 Bd7 17. Rxc8+ (17. Bxa7 {keeps more tension.} Rxc1 18. Rxc1 Ra8 19. Rc7 Rxa7 20. Rxd7 Rxa2+ 21. Ke3) 17... Rxc8 18. Rc1 ({Much worse is} 18. Bxa7 Ra8 $17) 18... Rxc1 19. Kxc1 $11 {[%mdl 4096] Endgame KBB-KBB} a6 {[#]} 20. Kc2 $146 ({Predecessor:} 20. a4 Kf8 21. Bb6 Ke8 22. Kc2 Bc8 23. b4 Kd7 24. Kb3 {½-½ (49) Luce,E (1989)-Johnston,D (1905) Colonie 2015}) 20... f5 21. Bd2 fxe4 22. fxe4 Be5 23. g3 Kf7 24. Bc3 Kf6 25. Bf3 Bxc3 26. Kxc3 $15 {KB-KB} Ke5 27. Kd3 e6 28. dxe6 $1 Bxe6 29. Ke3 a5 30. Be2 Bd7 31. a3 Bc6 32. Bd3 b6 33. Bc2 g5 34. Bd3 h6 35. Bc2 Be8 36. Bd1 Bg6 37. Bf3 Bh7 38. Bg2 (38. b4 $15) 38... Bg8 39. b4 axb4 40. axb4 {The position is equal.} Bh7 41. Bf3 Bg6 42. Bg2 Bf7 43. Bf3 Ba2 44. Bg2 Bb1 45. Bf3 Bc2 46. Bg2 g4 47. Bh1 $1 Ba4 48. Bg2 Bc6 49. Kd3 Bb5+ 50. Ke3 Bc4 51. h3 h5 52. hxg4 hxg4 53. Bh1 $1 Bf1 54. Kf2 $1 {[%cal Rf2f1]} Bd3 55. Ke3 Bc4 56. Bg2 b5 (56... Ba6 {seems wilder.} 57. Bh1 Bb5 58. Bg2 Bc6 59. Bh1 Ba4) 57. Bh1 $1 d5 (57... Bf1 {is more complex.} 58. Kf2 Bh3 59. Ke3 Kf6 60. Kd3 Ke6) 58. exd5 Bxd5 59. Bxd5 Kxd5 60. Kd3 Ke5 61. Ke3 Kd5 $1 {[%cal Rd5c4] [#] ( -> ...Kc4)} 62. Kd3 Ke5 {Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.9"]
[White "Chasin, Nico"]
[Black "Ladan, Nicholas"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "2293"]
[BlackElo "1871"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,86,25,29,35,23,32,25,43,15,18,11,14,8,17,8,18,8,12,9,20,-14,-19,-10,0,0,24,-3,0,-22,-26,-17,54,-26,-64,-264,-261,-271,-279,-355,-349,-282,-233,-223,-208,-213,-214,-237,-238,-325,-323,-328,-306,-579,-573,-671,-655,-863,-862,-1571,-829,-826,-814,-1045,-922,-797,0,-381,-334,-588,-593,-562,-424,-415,-420]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 exd5 8. Nd2 Be7 {D52: Queen's Gambit Declined: Cambridge Springs Variation.} 9. Bd3 O-O 10. O-O Re8 {White has an edge.} 11. a3 Nf8 12. b4 Qd8 13. Qc2 a6 14. h3 {[#]} g6 $146 ({Predecessor:} 14... Ng6 15. Rfb1 Bd7 16. a4 Qc8 17. Nf1 Bd6 18. Bxf6 gxf6 19. Ne2 Nh4 20. Neg3 Bxh3 21. gxh3 Qxh3 {1-0 (35) Rubene,I (2130)-Vidalinc,J Chartres 1990}) 15. Bh4 Ne6 16. Rfe1 Ng7 17. f3 a5 18. bxa5 Rxa5 19. a4 Nfh5 20. Bf2 Bd6 21. g4 Nf6 22. e4 Bf4 (22... dxe4 $1 $11 23. fxe4 Nxg4 24. hxg4 Qg5) 23. Nb3 (23. e5 $14) 23... dxe4 $11 24. fxe4 {Black continues to play with concentration.} (24. Nxe4 $15 Nxe4 25. Bxe4) 24... Rg5 $1 $19 25. Bh4 {[#]} Nxg4 {White must now prevent ...Ne3+.} 26. Kh1 {[#]} Nh5 $1 27. hxg4 {[#]} Bg3 $1 28. Bxg5 ({Wrong is} 28. gxh5 $2 Rxh5 29. Qh2 Rxh4 $19) 28... Qxg5 29. gxh5 {Threatens to win with Rf1.} Qh4+ 30. Kg1 Bxe1 31. Bf1 Qg3+ 32. Bg2 Qe3+ ({Weaker is} 32... Qxc3 33. Qxc3 Bxc3 34. Rc1 $17) (32... gxh5 $2 33. Rc1 $17) 33. Kf1 $2 (33. Kh1 {was the only defense.} Bxc3 34. Rf1) 33... Bxc3 34. Rd1 Bg4 35. Rc1 Bb4 36. Rb1 Bf3 37. e5 Bg4 {aiming for ...Bf5!} 38. Qc4 Qf4+ 39. Kg1 {[#]} Qe3+ $2 ({Black should play} 39... Rxe5 $1 $19 {[%mdl 512] ( -> ...Qe3+)} 40. Qc1 Re1+ 41. Qxe1 Bxe1 42. Rxe1 Bxh5) 40. Kh1 $2 {[%mdl 8192]} (40. Kf1 $1 $11 gxh5 41. Na1) 40... Be7 41. d5 $2 (41. Nc5) 41... Bf3 {And now ...Bxg2+ would win.} 42. Rf1 Bxg2+ 43. Kxg2 Qg5+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.77/Black=0.37} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "1.10"]
[White "Dill, James"]
[Black "Graif, William"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1862"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-32,-29,-39,20,18,18,18,19,9,14,1,1,6,4,10,2,-29,-24,-29,-17,-35,10,-124,-135,-311,-297,-304,-242,-277,-275,-270,-267,-565,-542,-564,-564,-538,-522,-971,-929,-29989,-29986,-1807,-1268,-29988,-1279,-1053,-889,-815,-808,-661,-185]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 O-O 5. Bg5 h6 6. Bh4 {E20: Nimzo-Indian: 4 g3 and 4 f3.} Nc6 (6... c5 $15) 7. e4 $11 e5 8. d5 {The position is equal.} Nd4 {[#]} 9. a3 $146 ({Predecessor:} 9. Nge2 c5 10. dxc6 dxc6 11. a3 Be7 12. Bg3 Nxe2 13. Bxe2 Qc7 14. Bf2 Nd7 15. b4 {1-0 (37) Wallin,A (2219)-Popov,V (2583) Tallinn 2019}) 9... Bc5 10. b4 Be7 11. Bg3 d6 12. Nge2 a5 13. Nxd4 exd4 14. Nb5 Nh5 15. Nxd4 (15. Qxd4 $2 Nxg3 16. hxg3 Bf6 $19) 15... Bh4 16. Ne2 (16. Bf2 $1 $11) 16... f5 $17 {Hoping for ...fxe4.} 17. exf5 {White does not recover from this.} (17. Bxh4 $17 Qxh4+ {[%mdl 64] Double Attack} 18. g3 Nxg3 19. Nxg3) 17... Re8 $19 18. Kf2 {Bxh4 would now be nice for White.} Bf6 (18... Bxf5 19. Bxh4 Qxh4+ 20. g3 $15) 19. Rc1 Bb2 ({Don't play} 19... Bxf5 20. Nd4 $17) 20. Rc2 Qf6 {aiming for ...axb4.} ({Much less strong is} 20... Bxa3 21. Nd4 $19) 21. c5 $2 (21. bxa5 Bxf5 22. Rxb2 Qxb2 23. Kg1) 21... Bxf5 22. Rc4 axb4 23. axb4 Ra2 24. cxd6 {If White can now play Kg1 this consolidates a bit.} b5 25. Rxc7 Bd4+ 26. Ke1 Ra1 27. Rc1 Bc3+ (27... Nxg3 $142 28. hxg3 {[#]} Qg5 $1 29. Rh4 Qxg3+ 30. Kd2 Qxh4 31. g4 Qg5+ 32. f4 Rxe2+ $1 {[%mdl 576] Remove Defender} 33. Bxe2 Qxf4+ {[%mdl 64] Double Attack} 34. Ke1 Qg3+ 35. Kd2 Ra2+ 36. Rc2 Qc3+ {[%mdl 64] Double Attack, Pin} 37. Kc1 Ra1# {[%mdl 64] Skewer}) 28. Kf2 {Black is clearly winning.} Rxc1 29. Qxc1 {[#]} Qd4+ $3 {[%mdl 512]} 30. Nxd4 Bxd4+ {Weighted Error Value: White=1.09/Black=0.51} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.1"]
[White "Wu, Rochelle"]
[Black "Prasanna Raghuram Rao"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2126"]
[BlackElo "2437"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:03:44]} 2. Bg5 {[%emt 0:00:00]} d5 {[%emt 0:02:03]} 3. Nd2 {[%emt 0:01:29]} c5 {[%emt 0:01:07]} 4. Bxf6 {[%emt 0:02:34]} gxf6 {[%emt 0:00:11]} 5. dxc5 {[%emt 0:00:10]} e5 {[%emt 0:01:07]} 6. e4 {[%emt 0:00:40]} d4 {[%emt 0:08:21]} 7. Bc4 {[%emt 0:04:03]} Bxc5 {[%emt 0:01:05]} 8. Ne2 {[%emt 0:01:22]} Rg8 {[%emt 0:19:54]} 9. O-O {[%emt 0:16:49]} Bg4 {[%emt 0:04:18]} 10. Kh1 {[%emt 0:03:00]} Nc6 {[%emt 0:00:08]} 11. Nb3 {[%emt 0:00:52]} Bb6 {[%emt 0:00:59]} 12. Qd2 {[%emt 0:01:06]} Be6 {[%emt 0:06:59]} 13. Bxe6 {[%emt 0:01:20]} fxe6 {[%emt 0:00:09]} 14. f4 {[%emt 0:01:00]} Qe7 {[%emt 0:08:17]} 15. f5 {[%emt 0:06:05]} O-O-O {[%emt 0:01:22]} 16. Ng3 {[%emt 0:11:40]} exf5 {[%emt 0:04:29]} 17. Rxf5 {[%emt 0:02:09]} Rg6 {[%emt 0:03:23]} 18. Raf1 {[%emt 0:01:20]} d3 {[%emt 0:05:14]} 19. c3 {[%emt 0:01:12]} a5 {[%emt 0:05:15]} 20. R5f3 {[%emt 0:02:37]} Qd7 {[%emt 0:02:46]} 21. Nc1 {[%emt 0:03:37]} Qg4 {[%emt 0:01:53]} 22. Nxd3 {[%emt 0:03:23]} Qh4 {[%emt 0:05:45]} 23. Qe2 {[%emt 0:05:11]} Ne7 {[%emt 0:01:22]} 24. Nf2 {[%emt 0:12:10]} Kb8 {[%emt 0:02:43]} 25. Nh3 {[%emt 0:01:49]} Ka7 {[%emt 0:02:49]} 26. Rd3 {[%emt 0:01:57]} Rxd3 {[%emt 0:00:51]} 27. Qxd3 {[%emt 0:00:05]} Qg4 {[%emt 0:00:03]} 28. Qf3 {[%emt 0:04:55]} Qe6 {[%emt 0:00:02]} 29. b3 {[%emt 0:00:13]} a4 {[%emt 0:02:41]} 30. Qd3 {[%emt 0:00:47]} Nc6 {[%emt 0:03:38]} 31. Qb5 {[%emt 0:00:18]} axb3 {[%emt 0:00:39]} 32. axb3 {[%emt 0:00:04]} Bc7 {[%emt 0:00:25]} 33. Nf2 {[%emt 0:02:53]} Na5 {[%emt 0:01:30]} 34. Ra1 {[%emt 0:02:08]} Qb6 {[%emt 0:00:11]} 35. Qxb6+ {[%emt 0:00:03]} Kxb6 {[%emt 0:00:01]} 36. Nd3 {[%emt 0:01:28]} Bd6 {[%emt 0:01:01]} 37. Nf5 {[%emt 0:00:14]} Bf8 {[%emt 0:00:03]} 38. Ne3 {[%emt 0:00:07]} Nc6 {[%emt 0:01:47]} 39. Nd5+ {[%emt 0:00:07]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.2"]
[White "Ippolito, Dean"]
[Black "Singh, Hersh"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2369"]
[BlackElo "2131"]
[Annotator "NA"]
[PlyCount "47"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 6. Qa4 {[%emt 0:00:12]} Bd7 {[%emt 0:00:08]} 7. Qxc4 {[%emt 0:00:07]} Na5 {[%emt 0:00:07]} 8. Qc3 {[%emt 0:00:05]} c5 {[%emt 0:04:07]} 9. Bd2 {[%emt 0:00:38]} Nc6 {[%emt 0:01:18]} 10. dxc5 {[%emt 0:00:21]} Ne4 {[%emt 0:01:07]} 11. Qc2 {[%emt 0:00:21]} Nxc5 {[%emt 0:00:34]} 12. b4 {[%emt 0:00:14]} Na6 {[%emt 0:07:23]} 13. b5 {[%emt 0:00:05]} Ncb4 {[%emt 0:02:33]} 14. Qb2 {[%emt 0:00:07]} Bxb5 {[%emt 0:14:28]} 15. a3 {[%emt 0:01:02]} Qd3 {[%emt 0:19:37]} 16. O-O {[%emt 0:00:25]} Qc2 {[%emt 0:06:12]} 17. Qe5 {[%emt 0:00:26]} Nd5 {[%emt 0:06:56]} 18. Rc1 {[%emt 0:38:14]} Qa4 {[%emt 0:02:54]} 19. Nd4 {[%emt 0:14:58]} Be7 {[%emt 0:07:28]} 20. Nxe6 {[%emt 0:01:52]} fxe6 {[%emt 0:06:00]} 21. Bxd5 {[%emt 0:01:29]} exd5 {[%emt 0:04:24]} 22. Nc3 {[%emt 0:00:42]} Qg4 {[%emt 0:05:52]} 23. Nxb5 {[%emt 0:09:02]} Qe4 {[%emt 0:06:55]} 24. Nd6+ {[%emt 0:00:59]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.3"]
[White "Tsyganov, Igor"]
[Black "Sarkar, Justin"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2221"]
[BlackElo "2365"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:02:57]} Nf6 {[%emt 0:01:28]} 2. Nf3 {[%emt 0:00:10]} d5 {[%emt 0:00:29]} 3. c4 {[%emt 0:00:10]} e6 {[%emt 0:00:43]} 4. Nc3 {[%emt 0:00:22]} dxc4 {[%emt 0:01:13]} 5. e3 {[%emt 0:00:26]} a6 {[%emt 0:00:16]} 6. a4 {[%emt 0:00:24]} c5 {[%emt 0:03:03]} 7. Bxc4 {[%emt 0:00:11]} Nc6 {[%emt 0:00:21]} 8. O-O {[%emt 0:00:21]} Qc7 {[%emt 0:00:27]} 9. Qe2 {[%emt 0:05:32]} Bd6 {[%emt 0:00:13]} 10. dxc5 {[%emt 0:02:15]} Bxc5 {[%emt 0:00:09]} 11. e4 {[%emt 0:02:18]} Ng4 {[%emt 0:01:41]} 12. g3 {[%emt 0:03:32]} Nge5 {[%emt 0:01:12]} 13. Nxe5 {[%emt 0:03:45]} Nxe5 {[%emt 0:00:21]} 14. Ba2 {[%emt 0:02:39]} b6 {[%emt 0:19:59]} 15. Bf4 {[%emt 0:01:35]} h6 {[%emt 0:16:27]} 16. Qh5 {[%emt 0:08:31]} g5 {[%emt 0:00:21]} 17. Bxg5 {[%emt 0:07:09]} Nf3+ {[%emt 0:00:18]} 18. Qxf3 {[%emt 0:00:06]} hxg5 {[%emt 0:00:03]} 19. Qf6 {[%emt 0:03:35]} Rg8 {[%emt 0:00:12]} 20. Rfe1 {[%emt 0:10:53]} Be7 {[%emt 0:09:43]} 21. Nd5 {[%emt 0:04:11]} exd5 {[%emt 0:01:50]} 22. exd5 {[%emt 0:00:09]} Kf8 {[%emt 0:07:02]} 23. Qh6+ {[%emt 0:11:47]} Rg7 {[%emt 0:00:07]} 24. Qh8+ {[%emt 0:06:32]} Rg8 {[%emt 0:00:01]} 25. Qh6+ {[%emt 0:00:08]} Rg7 {[%emt 0:00:04]} 26. d6 {[%emt 0:23:22]} Qxd6 {[%emt 0:35:17]} 27. Qh8+ {[%emt 0:00:30]} Rg8 28. Qh5 {[%emt 0:00:30]} Be6 {[%emt 0:01:00]} 29. Bxe6 {[%emt 0:00:30]} fxe6 {[%emt 0:00:30]} 30. Qf3+ Kg7 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.4"]
[White "Liang, Jason"]
[Black "FISHBEIN, Micth"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2342"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:05:48]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:17]} 3. Bc4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:44]} 4. Ng5 {[%emt 0:00:01]} d5 {[%emt 0:00:08]} 5. exd5 {[%emt 0:00:06]} Na5 {[%emt 0:00:08]} 6. Bb5+ {[%emt 0:00:07]} c6 {[%emt 0:00:07]} 7. dxc6 {[%emt 0:00:08]} bxc6 {[%emt 0:00:08]} 8. Bd3 {[%emt 0:00:09]} Nd5 {[%emt 0:00:14]} 9. Nf3 {[%emt 0:00:15]} Bd6 {[%emt 0:00:16]} 10. O-O {[%emt 0:00:14]} Nf4 {[%emt 0:00:30]} 11. Nc3 {[%emt 0:00:46]} Nxd3 {[%emt 0:00:52]} 12. cxd3 {[%emt 0:00:08]} O-O {[%emt 0:02:08]} 13. Ne4 {[%emt 0:00:28]} Bc7 {[%emt 0:16:19]} 14. Qc2 {[%emt 0:01:26]} Qd5 {[%emt 0:12:10]} 15. b4 {[%emt 0:27:47]} Nb7 {[%emt 0:05:28]} 16. Bb2 {[%emt 0:09:05]} f6 {[%emt 0:09:21]} 17. Rac1 {[%emt 0:08:11]} Bd7 {[%emt 0:03:34]} 18. a4 {[%emt 0:02:38]} Rac8 {[%emt 0:08:09]} 19. Qc4 {[%emt 0:08:01]} Qxc4 {[%emt 0:15:57]} 20. dxc4 {[%emt 0:01:14]} Bf5 {[%emt 0:01:51]} 21. Rfe1 {[%emt 0:01:00]} a5 {[%emt 0:04:54]} 22. Ng3 {[%emt 0:04:54]} Bg6 {[%emt 0:02:42]} 23. b5 {[%emt 0:01:32]} Nc5 {[%emt 0:05:35]} 24. Ba3 {[%emt 0:00:32]} Nd3 {[%emt 0:00:32]} 25. Bxf8 {[%emt 0:00:12]} Kxf8 {[%emt 0:00:26]} 26. Rc3 {[%emt 0:07:26]} Bb6 {[%emt 0:01:53]} 27. Rf1 {[%emt 0:00:39]} e4 {[%emt 0:02:35]} 28. Nh4 {[%emt 0:00:34]} Nc5 {[%emt 0:00:38]} 29. Re3 {[%emt 0:02:33]} Re8 {[%emt 0:00:31]} 30. bxc6 {[%emt 0:00:43]} Bf7 {[%emt 0:00:24]} 31. Rb1 {[%emt 0:00:21]} Ba7 {[%emt 0:00:36]} 32. Nhf5 {[%emt 0:00:38]} Nd3 {[%emt 0:00:33]} 33. Nd6 {[%emt 0:00:34]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.5"]
[White "Espinosa Silva, Pedro"]
[Black "Vigorito, David"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1755"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "46"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d6 {[%emt 0:00:05]} 3. Bb5+ {[%emt 0:00:00]} Nd7 {[%emt 0:00:46]} 4. a4 {[%emt 0:00:12]} Ngf6 {[%emt 0:01:08]} 5. Nc3 {[%emt 0:00:30]} g6 {[%emt 0:01:12]} 6. d4 {[%emt 0:01:12]} cxd4 {[%emt 0:00:47]} 7. Nxd4 {[%emt 0:00:22]} Bg7 {[%emt 0:00:33]} 8. O-O {[%emt 0:01:16]} O-O {[%emt 0:00:31]} 9. Be3 {[%emt 0:00:55]} a6 {[%emt 0:14:06]} 10. Be2 {[%emt 0:01:09]} e6 {[%emt 0:07:00]} 11. Qd2 {[%emt 0:02:30]} Qc7 {[%emt 0:02:38]} 12. a5 {[%emt 0:03:36]} b6 {[%emt 0:01:58]} 13. axb6 {[%emt 0:01:50]} Nxb6 {[%emt 0:00:13]} 14. Ndb5 {[%emt 0:08:47]} axb5 {[%emt 0:01:10]} 15. Bxb6 {[%emt 0:04:02]} Qb8 {[%emt 0:06:04]} 16. Bc7 {[%emt 0:06:59]} Qxc7 {[%emt 0:04:26]} 17. Rxa8 {[%emt 0:00:25]} b4 {[%emt 0:00:10]} 18. Nb5 {[%emt 0:01:48]} Qc6 {[%emt 0:00:21]} 19. Ra7 {[%emt 0:05:33]} Nxe4 {[%emt 0:01:03]} 20. Qxb4 {[%emt 0:01:16]} Qxc2 {[%emt 0:02:07]} 21. Bd1 {[%emt 0:04:30]} Qxb2 {[%emt 0:01:32]} 22. Qxb2 {[%emt 0:04:51]} Bxb2 {[%emt 0:02:15]} 23. Bc2 {[%emt 0:00:31]} d5 {[%emt 0:04:36]} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.6"]
[White "Graif, William"]
[Black "Lancman, Kyle"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2257"]
[BlackElo "1747"]
[Annotator "ChessBase"]
[PlyCount "113"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:04:01]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:08]} g6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:13]} cxd4 {[%emt 0:00:00]} 4. Qxd4 {[%emt 0:00:21]} Nf6 {[%emt 0:00:09]} 5. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:38]} 6. Qa4 {[%emt 0:00:06]} d6 {[%emt 0:00:40]} 7. e5 {[%emt 0:00:06]} dxe5 {[%emt 0:02:44]} 8. Nxe5 {[%emt 0:00:09]} Bd7 {[%emt 0:00:07]} 9. Nxd7 {[%emt 0:00:15]} Qxd7 {[%emt 0:04:01]} 10. Be3 {[%emt 0:00:10]} Bg7 {[%emt 0:02:06]} 11. Rd1 {[%emt 0:00:10]} Qg4 {[%emt 0:06:29]} 12. Qb3 {[%emt 0:00:18]} Qb4 {[%emt 0:06:57]} 13. Qxb4 {[%emt 0:16:27]} Nxb4 {[%emt 0:00:08]} 14. Bb5+ {[%emt 0:00:12]} Nc6 {[%emt 0:01:38]} 15. O-O {[%emt 0:01:25]} O-O {[%emt 0:03:10]} 16. Bc5 {[%emt 0:01:29]} Rfe8 {[%emt 0:03:30]} 17. Rfe1 {[%emt 0:01:14]} e6 {[%emt 0:01:45]} 18. Na4 {[%emt 0:21:47]} Rac8 {[%emt 0:09:51]} 19. g3 {[%emt 0:17:54]} Bf8 {[%emt 0:09:21]} 20. c3 {[%emt 0:13:32]} Bxc5 {[%emt 0:13:34]} 21. Nxc5 {[%emt 0:00:02]} Re7 {[%emt 0:03:35]} 22. Rd6 {[%emt 0:06:52]} b6 {[%emt 0:13:48]} 23. Ne4 {[%emt 0:06:13]} Nxe4 {[%emt 0:00:35]} 24. Rxe4 {[%emt 0:00:06]} Rec7 {[%emt 0:05:26]} 25. Rf4 {[%emt 0:03:11]} Nd8 {[%emt 0:03:01]} 26. Kf1 {[%emt 0:03:49]} Nb7 {[%emt 0:01:13]} 27. Rd2 {[%emt 0:00:06]} Rd8 {[%emt 0:01:34]} 28. Rxd8+ {[%emt 0:00:28]} Nxd8 {[%emt 0:00:09]} 29. Rd4 {[%emt 0:00:03]} Nb7 {[%emt 0:08:21]} 30. Ke2 {[%emt 0:02:10]} h5 {[%emt 0:00:00]} 31. Ke3 {[%emt 0:01:37]} Kf8 {[%emt 0:00:00]} 32. Rc4 {[%emt 0:00:41]} Rxc4 {[%emt 0:00:00]} 33. Bxc4 {[%emt 0:00:01]} Ke7 {[%emt 0:00:00]} 34. Kd4 {[%emt 0:00:15]} Kd6 {[%emt 0:00:00]} 35. f4 {[%emt 0:00:14]} a5 {[%emt 0:00:00]} 36. Be2 {[%emt 0:00:46]} Nd8 {[%emt 0:00:15]} 37. Bf3 {[%emt 0:00:55]} f6 {[%emt 0:00:22]} 38. Kc4 {[%emt 0:00:46]} Nf7 {[%emt 0:01:02]} 39. b4 {[%emt 0:00:35]} axb4 {[%emt 0:00:39]} 40. cxb4 {[%emt 0:00:08]} e5 {[%emt 0:00:55]} 41. f5 {[%emt 0:00:48]} gxf5 {[%emt 0:01:49]} 42. Bxh5 {[%emt 0:00:02]} Nh6 {[%emt 0:00:42]} 43. h4 {[%emt 0:00:41]} e4 {[%emt 0:00:36]} 44. a4 {[%emt 0:00:31]} f4 {[%emt 0:00:25]} 45. gxf4 {[%emt 0:00:09]} Nf5 {[%emt 0:00:09]} 46. Bg6 {[%emt 0:00:17]} Nxh4 {[%emt 0:00:08]} 47. Bxe4 {[%emt 0:00:06]} f5 {[%emt 0:00:24]} 48. Bh1 {[%emt 0:01:28]} Ng6 {[%emt 0:00:37]} 49. a5 {[%emt 0:00:14]} bxa5 {[%emt 0:00:16]} 50. bxa5 {[%emt 0:00:06]} Kc7 {[%emt 0:00:39]} 51. Kb5 {[%emt 0:01:10]} Kb8 {[%emt 0:01:29]} 52. Kb6 {[%emt 0:00:08]} Nf8 {[%emt 0:00:14]} 53. Bc6 {[%emt 0:00:35]} Ne6 {[%emt 0:00:47]} 54. a6 {[%emt 0:00:17]} Nc7 {[%emt 0:00:18]} 55. a7+ {[%emt 0:00:23]} Kc8 {[%emt 0:00:21]} 56. a8=Q+ {[%emt 0:00:33]} Nxa8+ {[%emt 0:00:07]} 57. Bxa8 {[%emt 0:00:05]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.7"]
[White "Ladan, Nicholas"]
[Black "Titus, Andrew"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1871"]
[BlackElo "2158"]
[Annotator "NA"]
[PlyCount "60"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:01:50]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:08]} Be7 {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:06]} O-O {[%emt 0:00:01]} 6. O-O {[%emt 0:00:07]} dxc4 {[%emt 0:00:02]} 7. Qc2 {[%emt 0:00:09]} b5 {[%emt 0:00:09]} 8. a4 {[%emt 0:01:04]} b4 {[%emt 0:02:26]} 9. Nfd2 {[%emt 0:00:45]} c6 {[%emt 0:01:17]} 10. e3 {[%emt 0:04:26]} b3 {[%emt 0:02:33]} 11. Qxc4 {[%emt 0:07:35]} Ba6 {[%emt 0:00:10]} 12. Qxb3 {[%emt 0:00:06]} Bxf1 {[%emt 0:00:18]} 13. Kxf1 {[%emt 0:01:56]} Nbd7 {[%emt 0:02:18]} 14. Na3 {[%emt 0:04:06]} Rb8 {[%emt 0:03:08]} 15. Qc4 {[%emt 0:02:01]} c5 {[%emt 0:09:13]} 16. Nb5 {[%emt 0:00:08]} Nb6 {[%emt 0:11:04]} 17. Qe2 {[%emt 0:01:35]} Qd7 {[%emt 0:02:00]} 18. dxc5 {[%emt 0:08:14]} Bxc5 {[%emt 0:00:40]} 19. Nb3 {[%emt 0:00:17]} Nxa4 {[%emt 0:02:29]} 20. Nxc5 {[%emt 0:01:57]} Nxc5 {[%emt 0:02:09]} 21. Nd4 {[%emt 0:00:55]} Rfc8 {[%emt 0:01:13]} 22. b4 {[%emt 0:01:08]} Rxb4 {[%emt 0:02:12]} 23. Ba3 {[%emt 0:00:40]} Ra4 {[%emt 0:00:59]} 24. Qc2 {[%emt 0:02:09]} e5 {[%emt 0:04:13]} 25. Nc6 {[%emt 0:04:11]} Rxc6 {[%emt 0:01:04]} 26. Bxc6 {[%emt 0:00:20]} Qxc6 {[%emt 0:00:48]} 27. Rd1 {[%emt 0:00:08]} Rxa3 {[%emt 0:01:17]} 28. Rd8+ {[%emt 0:02:36]} Ne8 {[%emt 0:00:01]} 29. Qxc5 {[%emt 0:00:59]} Qxc5 {[%emt 0:00:13]} 30. Rxe8+ {[%emt 0:00:06]} Qf8 {[%emt 0:00:06]} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.8"]
[White "Kumar, Asha"]
[Black "Wu, Derek"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1643"]
[BlackElo "2190"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:00]} d6 {[%emt 0:00:08]} 5. Nf3 {[%emt 0:00:00]} O-O {[%emt 0:00:11]} 6. Be2 {[%emt 0:00:01]} e5 {[%emt 0:00:09]} 7. O-O {[%emt 0:00:19]} exd4 {[%emt 0:00:22]} 8. Nxd4 {[%emt 0:00:08]} Re8 {[%emt 0:00:17]} 9. f3 {[%emt 0:01:49]} c6 {[%emt 0:00:15]} 10. Nc2 {[%emt 0:07:04]} Na6 {[%emt 0:00:39]} 11. Bf4 {[%emt 0:04:22]} Nh5 {[%emt 0:17:58]} 12. Bxd6 {[%emt 0:04:31]} Qb6+ {[%emt 0:00:08]} 13. Kh1 {[%emt 0:04:08]} Qxb2 {[%emt 0:06:12]} 14. Na4 {[%emt 0:00:42]} Qf6 {[%emt 0:00:13]} 15. c5 {[%emt 0:04:20]} Nf4 {[%emt 0:03:58]} 16. Bxa6 {[%emt 0:03:55]} bxa6 {[%emt 0:00:26]} 17. Qd2 {[%emt 0:11:15]} g5 {[%emt 0:04:57]} 18. Rae1 {[%emt 0:07:18]} Be6 {[%emt 0:01:37]} 19. Nb4 {[%emt 0:10:55]} Bc4 {[%emt 0:01:49]} 20. Rf2 {[%emt 0:00:42]} Bb5 {[%emt 0:01:06]} 21. e5 {[%emt 0:02:09]} Qf5 {[%emt 0:07:57]} 22. g4 {[%emt 0:04:46]} Qe6 {[%emt 0:02:13]} 23. Nc3 {[%emt 0:01:23]} Rac8 {[%emt 0:05:16]} 24. Nxb5 {[%emt 0:12:30]} axb5 {[%emt 0:00:06]} 25. Re4 {[%emt 0:03:33]} Qg6 {[%emt 0:06:17]} 26. Nd3 {[%emt 0:01:14]} Nd5 {[%emt 0:04:52]} 27. Rfe2 {[%emt 0:00:57]} h5 {[%emt 0:05:05]} 28. h3 {[%emt 0:01:26]} Re6 {[%emt 0:04:17]} 29. Rg2 {[%emt 0:01:34]} h4 {[%emt 0:01:30]} 30. Rge2 {[%emt 0:01:03]} Bh6 {[%emt 0:01:12]} 31. Re1 {[%emt 0:01:05]} Rce8 {[%emt 0:01:36]} 32. Qa5 {[%emt 0:00:49]} f5 {[%emt 0:02:06]} 33. Rd4 {[%emt 0:03:37]} fxg4 {[%emt 0:00:40]} 34. fxg4 {[%emt 0:00:15]} Qf7 {[%emt 0:02:41]} 35. Kg2 {[%emt 0:00:02]} Bf8 {[%emt 0:01:17]} 36. Qd2 {[%emt 0:00:33]} Qg6 {[%emt 0:00:47]} 37. Rf1 {[%emt 0:03:22]} Bg7 {[%emt 0:00:43]} 38. Rf5 {[%emt 0:00:21]} Bh6 {[%emt 0:01:09]} 39. Qf2 {[%emt 0:01:08]} a5 {[%emt 0:01:38]} 40. a3 {[%emt 0:00:06]} Ra8 {[%emt 0:02:34]} 41. Rxd5 {[%emt 0:01:58]} cxd5 {[%emt 0:00:01]} 42. c6 {[%emt 0:00:15]} Bg7 {[%emt 0:02:10]} 43. Nc5 {[%emt 0:00:55]} Rxd6 {[%emt 0:00:37]} 44. exd6 {[%emt 0:00:06]} Qxd6 {[%emt 0:00:01]} 45. Rxg5 {[%emt 0:00:56]} Qxc6 {[%emt 0:00:54]} 46. Qb2 {[%emt 0:00:50]} d4+ {[%emt 0:00:08]} 47. Kg1 {[%emt 0:00:23]} Qf6 {[%emt 0:04:59]} 48. Ne4 {[%emt 0:01:27]} Qe7 {[%emt 0:01:12]} 49. Qxd4 {[%emt 0:00:50]} Qxg5 {[%emt 0:00:30]} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.9"]
[White "Molner, Mackenzie"]
[Black "Johnson, Donald"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2448"]
[BlackElo "1881"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,136,16,13,13,36,37,32,37,29,39,30,37,51,51,56,55,75,26,29,33,68,64,71,73,64,68,59,16,23,-8,36,30,65,82,72,79,75,71,58,-126,-116,-112,-112,-114,-127,-230,-242,-257,-248,-254,-257,-248,-177,-205,-151,-152,-149,-255,-259,-304,-311,-331,-331,-322,-193,-296,-278,-273,-297,-282,-281,-272,-268,-268,-267,-256,-246,-245,-230,-239,-235,-242,-229,-254,-231,-225,-203,-233,-227,-223,-215,-287,-287,-285,-285,-281,-274,-258,-198,-559,-541,-527,-423,-497,-460,-524,-439,-641,-628,-624,-611,-760,-760,-745,-584,-767,-767,-767,-752,-752,-745,-738,-738,-722,-719,-697,-690,-603,-365]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 a6 5. Be2 Ngf6 6. Nc3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 7. a5 Bg7 8. O-O {White is slightly better.} O-O 9. d3 Nb8 10. e5 dxe5 11. Nxe5 {[#]} Be6 $146 ({Predecessor:} 11... Nc6 12. Nxc6 bxc6 13. Bf3 Qc7 14. Na4 Qd6 15. Nb6 Rb8 16. g3 Nd5 17. Nxc8 Rfxc8 {½-½ (41) Mary,P (2151)-Kroes,F (1914) LSS email 2011}) 12. Bf3 Nbd7 13. Re1 (13. Bf4 {is more complex.} Nxe5 14. Bxe5 Bd5 15. Nxd5 Nxd5 16. Bxg7 Kxg7 17. d4) 13... Nxe5 14. Rxe5 Qc7 15. Bf4 Nh5 {[#]} 16. Rxe6 Nxf4 17. Rb6 Rab8 18. Qe1 Rfd8 19. Qe4 Rd4 (19... Bd4 {feels hotter.} 20. Rxb7 Rxb7 21. Qxb7 Qxb7 22. Bxb7 Rb8) 20. Rxb7 Rxb7 21. Qxb7 Qxb7 22. Bxb7 Rb4 {Threatens to win with ...Bxc3.} 23. Bxa6 Rxb2 24. Bc4 $2 Bxc3 $17 25. a6 {Black must now prevent a7.} Rb8 (25... Rxc2 $2 26. a7 $1 $18 {[%mdl 512]}) 26. a7 Ra8 27. Ra6 (27. Ra3 $17 {was the only defense.} Bb4 28. Ra6) 27... e6 $1 $19 28. Bb5 {[#] And now Bc6 would win.} Ne2+ $1 29. Kf1 Nd4 {[%csl LRb5,LRc2][%mdl 64] Double Attack} 30. Bd7 Kf8 (30... Nxc2 31. Bc6 $17) 31. Bc8 {next Bb7 is good for White.} Nb5 (31... Rxc8 32. Rb6 $17) (31... Nxc2 32. Bb7 $16) 32. Bd7 Nxa7 33. Ke2 (33. Bc6 $17 Nxc6 34. Rxa8+ Ke7 35. Ke2) 33... c4 34. dxc4 {If only White now had time for Bc6....} Bd4 35. c3 Bc5 (35... Bxc3 36. Bc6 $17) 36. Ra5 {[#]} Ke7 $1 37. Bxe6 (37. Rxc5 $142 Kxd7 38. Ra5) 37... Kxe6 38. Rxc5 {[%mdl 4096] Endgame KRN-KR} Rc8 39. Ra5 Nc6 ({Worse is} 39... Rxc4 40. Rxa7 Rxc3 41. Kd2 $11) 40. Ra6 Kd7 41. f4 Nd8 42. Ra4 Ne6 43. Ke3 Rc7 44. g4 Nc5 45. Ra8 Kd6 46. Rh8 Re7+ 47. Kf3 f6 48. h4 Na4 49. Rf8 {[#]} Ke6 ({Resist} 49... Nxc3 50. Rxf6+ Kc5 51. h5) 50. g5 fxg5 ({Weaker is} 50... Nxc3 51. Rxf6+ Kd7 52. h5 $11) 51. hxg5 Nxc3 52. Rf6+ Kd7 53. Ra6 Nb1 {...Nd2+ is the strong threat.} 54. c5 $2 (54. f5 {is more resistant.}) 54... Nd2+ {Black is clearly winning.} 55. Kg4 {and if Rd6+ works, White does fine.} Ne4 56. c6+ Kd6 57. f5 Nc5 58. c7+ (58. Ra8 $142) 58... Kxc7 59. Rf6 Nd7 60. fxg6 hxg6 61. Ra6 Nf8 62. Rf6 Re8 63. Kg3 Kd7 64. Kf4 Ke7 65. Ra6 Ne6+ 66. Kg4 Kf7 67. Ra7+ Re7 68. Ra5 Rc7 {Weighted Error Value: White=0.37/Black=0.11} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.27"]
[Round "2.10"]
[White "Wang, Tianqi"]
[Black "Mundayat, Abinav"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "2305"]
[BlackElo "1899"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,51,46,36,49,41,75,53,60,47,45,0,45,44,134,134,103,102,183,169,184,111,299,297,283,262,289,289,297,285,1013,1007,994,1000,927,309,302,306,311,303]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. f4 Bg7 6. Nf3 Nf6 7. d3 O-O 8. O-O b6 {B21: Sicilian: 2 f4 and Morra Gambit.} 9. Qe2 {[#]} Nd7 $146 ({Predecessor:} 9... Qc7 10. Bd2 Be6 11. Rae1 Rae8 12. Nh4 Bg4 13. Qf2 Bc8 14. h3 Nh5 15. Kh1 g5 16. Nf5 gxf4 17. Nxg7 Kxg7 18. Qh4 Qe5 19. Ne2 Kh8 20. Bc3 {1-0 (20) Hrabal,M (2046)-Blahynka,M (2098) Czechia 2012}) 10. e5 Kh8 {White is slightly better.} 11. Ng5 {Strongly threatening e6.} Nb8 12. Nf3 f6 13. h3 Nd7 ({Better is} 13... Na6 $14) 14. e6 $16 Nb8 {[#]} 15. f5 $1 $36 {[%mdl 2048] White is in control.} gxf5 (15... Na6 $16) 16. Bf4 $18 Na6 {[#]} 17. Nh4 (17. Rae1 $1 $18) 17... Nc7 $2 {This move loses the game for Black.} (17... c4 $16 {might work better.}) 18. Bxc7 ({Stronger than} 18. Nxf5 Nxe6 19. Nxg7 Kxg7 $11) 18... Qxc7 19. Nxf5 Rg8 20. Rae1 Bb7 21. Qh5 {aiming for Re4.} Bf8 $2 (21... Qb8 22. Nxe7 Qe8) 22. Re4 {Rh4 would kill now.} Rg5 23. Qf7 Bg7 24. Qxe7 $2 (24. Rg4 {Black must now prevent Rxg5.} Qe5 25. Qxe7 Rxg4 26. hxg4) 24... Qxe7 25. Nxe7 Re8 26. Nf5 {Weighted Error Value: White=0.32/Black=0.41} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.1"]
[White "Graif, William"]
[Black "Ippolito, Dean"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2257"]
[BlackElo "2369"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,124,0,0,0,-11,-12,-2,-2,-6,-3,-14,0,0,0,-4,50,46,38,-2,0,-52,-47,-56,-49,-72,-71,-135,-124,-123,-56,-57,-54,-58,-14,-27,-27,-50,0,-64,-63,-61,-69,-58,-18,-20,-20,-34,-39,-235,-216,-202,-145,-242,-235,-425,-412,-417,-423,-500,-500,-503,-488,-563,-537,-533,-533,-498,-463,-595,-625,-535,-552,-2026,-1822,-1312,-1192,-1178,-1170,-1098,-1110,-1095,-1022,-991,-685,-528,-435,-2405,-1972,-1922,-1367,-4627,-4627,-3189,-1741,-29971,-29976,-29975,-29976,-29963,-29968,-29985,-29986,-29986,-29987,-29989,-29990,-29990,-29991,-29991,-29992]} 1. e4 {Bangiev,A} c5 2. Nc3 e6 3. f4 d5 4. Nf3 dxe4 5. Nxe4 Nc6 6. Bb5 Bd7 7. Qe2 Nh6 8. b3 Nf5 9. Bb2 Be7 {B21: Sicilian: 2 f4 and Morra Gambit.} 10. O-O-O Nfd4 11. Nxd4 Nxd4 {[#] The position is equal.} 12. Bxd4 $146 ({Predecessor:} 12. Bxd7+ Qxd7 13. Qf2 b6 14. g4 a5 15. f5 a4 16. Rde1 axb3 17. axb3 Ra5 18. f6 Bxf6 19. Nxf6+ gxf6 20. Qxf6 {1-0 (34) Meister,J (2473)-Voitsekhovsky,S (2546) Samara 2000 CBM 078 [Bangiev,A]}) 12... cxd4 13. Rhf1 O-O 14. Kb1 $1 Re8 15. g4 f5 (15... a5 $11) 16. gxf5 $14 exf5 {[#] aiming for ...Bxb5.} 17. Ng3 Kh8 18. Bxd7 ({White should play} 18. Qd3 $11) 18... Qxd7 $15 19. Qe5 Rf8 $1 20. Nh5 {[%csl Gh5][%cal Re5g7]} Rf7 21. Rde1 (21. Ng3 $142) 21... Bb4 $17 {And now ...Re7 would win.} 22. Qe2 Re7 (22... d3 $17 23. Qxd3 Qxd3 24. cxd3 g6) 23. Qd3 $15 Rae8 24. Rxe7 Rxe7 25. Ng3 g6 26. Ne2 Bc5 27. c3 (27. Nc1 $11) 27... dxc3 $1 28. Qxc3+ Kg8 29. Qc4+ Qe6 {...Qxc4 is the strong threat.} 30. Qxc5 {Threatens to win with Nd4.} Qxe2 $11 {[%mdl 4096] Endgame KQR-KQR} 31. Rc1 Qd3+ 32. Ka1 $2 {White does not recover from this.} (32. Rc2 $15 Kf7 33. Kb2) 32... Qxd2 $19 33. Rc2 Qe3 34. Qc4+ (34. Qd6 $17) 34... Kg7 35. h4 $2 (35. Rc3 {is a better defense.} Qe4 36. Qc5) 35... Qe1+ 36. Kb2 Qxh4 37. Rd2 Qf6+ 38. Kb1 h5 39. Qc8 Re1+ 40. Kc2 Qc6+ 41. Qxc6 bxc6 {KR-KR} 42. Rd7+ Kh6 43. Rxa7 h4 44. a4 h3 45. Ra8 Kh5 46. Rh8+ Kg4 47. Rh6 Re2+ 48. Kd3 Rb2 49. Kc3 Rg2 50. a5 Ra2 51. Kb4 (51. b4 $142 h2 52. Kb3) 51... Kg3 52. Rxg6+ Kxf4 53. Rxc6 h2 54. Rh6 {[#]} Kg3 $1 55. Kb5 Kg2 {Black mates.} 56. Rg6+ Kf1 57. Rh6 Kg1 58. Ka6 h1=Q 59. Rxh1+ Kxh1 60. b4 f4 61. b5 f3 62. b6 f2 {Weighted Error Value: White=0.77/Black=0.18} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.2"]
[White "Titus, Andrew"]
[Black "Liang, Jason"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2158"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,100,12,24,10,0,5,4,-4,0,-27,-27,-35,-28,-41,-29,-77,-28,-22,-14,-39,-32,-50,-33,-58,-39,-61,-10,-54,-33,-64,-49,-50,0,-76,-78,-87,-55,-39,-36,-141,-156,-110,-138,-146,-125,-358,-358,-356,-347,-444,-446,-647,-612,-671,-666,-666,-649,-1067,-1037,-1037,-1050,-982,-739,-974,-948,-870,-879,-1104,-1108,-1086,-1070,-1104,-1018,-1020,-964,-1909,-1733,-1717,-1483,-5297,-906,-1022,-754,-751,-743,-665,-643]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Ne2 Re8 9. Be3 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} Nd7 {[%cal Bb8d7,Bd7f8,Bf8g6,Bg6e7,Be7d5][%mdl 32]} 10. Qc2 Nf8 11. O-O-O {The position is equal.} Be6 12. Kb1 b5 13. h4 h5 14. Be4 Qd7 {[#]} 15. Bf4 $146 ({Predecessor:} 15. Ka1 f5 16. Bf3 Bd5 17. Rh3 g6 18. Nf4 Bxf4 19. Bxf4 Bxf3 20. Rxf3 Qd5 21. Qd2 {½-½ (41) Gunduz,U (2205)-Zor,A (2167) Kemer 2018}) 15... Ng6 (15... Bg4 $5 {[%cal Re8e4]} 16. f3 Rxe4 $1 17. fxe4 (17. Qxe4 $2 {loses.} Bf5 $19) 17... Bxe2 18. Qxe2 Bxf4 $15) 16. Bxd6 Qxd6 17. Nc1 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 18. g3 a4 19. Bf3 Ne7 20. Nd3 Bf5 ({Better is} 20... a3 $15 21. b3 Bf5) 21. Ka1 Nd5 $36 {[%mdl 2048] Black has the initiative.} 22. Qd2 a3 {Hoping for ...Bxd3.} 23. b3 Re7 24. Rhe1 {[#]} (24. Bxh5 $11 Bxd3 25. Qxd3) 24... Rae8 $1 $17 25. Nc5 g6 26. Rxe7 Qxe7 27. Nd3 (27. c4 $15 bxc4 28. bxc4) 27... Bxd3 28. Qxd3 b4 29. Bxd5 cxd5 {[%mdl 4096] Endgame KQR-KQR} 30. c4 $2 {This costs White the game.} (30. cxb4 $17 Qxb4 31. Kb1) 30... Qe2 $19 31. Qxe2 Rxe2 {KR-KR} 32. c5 {If only White now had time for Rc1....} Kf8 {Black is clearly winning.} 33. c6 (33. f3 $142 Ke8 34. Rh1) 33... Ke7 34. c7 {[#]} Kd7 35. Rc1 Kc8 36. Kb1 Rb2+ 37. Ka1 Rxf2 38. Kb1 Rb2+ 39. Ka1 Rg2 40. Kb1 Rxg3 41. Re1 Kxc7 42. Re7+ Kd6 43. Rxf7 Rg1+ 44. Kc2 Rg2+ 45. Kd3 Ke6 46. Rb7 Rxa2 47. Rxb4 Rh2 (47... Ra1 $142 48. Kc2 g5 49. hxg5 fxg5 50. Rb6+ Kf5) 48. Ra4 Rh3+ 49. Kc2 Rxh4 50. Rxa3 Rxd4 {Weighted Error Value: White=0.86/Black=0.27} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.3"]
[White "Wu, Derek"]
[Black "Aaron, Deepak"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2190"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,109,29,54,52,50,38,39,36,69,33,61,40,37,38,31,27,36,-4,89,85,104,95,80,37,37,0,89,0,32,10,6,0,19,19,37,33,53,10,50,14,21,18,13,0,0,0,0,0,0,-33,-35,-42,-17,-20,-39,-55,-10,-15,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-30,-30,-1886,-8,-8,-8,-8,-8,-8,-8,-8,0,-8]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 O-O 7. Nc3 Qe7 8. Nh3 d6 9. O-O Nc6 10. d5 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} Nd8 11. dxe6 Nxe6 {[#]} 12. Nf4 $146 {White is slightly better.} ({Predecessor:} 12. Nd5 Nxd5 13. cxd5 Nc5 14. b4 Na6 15. a3 Bd7 16. Rac1 Rae8 17. Nf4 Qe5 18. Rfe1 {1-0 (42) Lipinski,G-Saacke,B Kiel 1965}) 12... Rb8 13. b4 Bd7 14. Rac1 Nxf4 15. Qxf4 Be6 16. Nb5 Qf7 17. Nd4 Kh8 (17... Bxc4 $11 {remains equal.} 18. Rfd1 Bxa2) 18. c5 $16 (18. Nxf5 $2 Nh5 $19) 18... dxc5 19. Rxc5 c6 20. Ra5 (20. Nxf5 Nd7 $17) 20... a6 21. Re5 (21. Nxf5 Nh5 $15) 21... Rbe8 (21... Bxa2 $11 22. Nxf5 (22. Rxf5 g6 $11) (22. Qxf5 Rbd8 $11) 22... Rbd8) 22. Bf3 ({Much weaker is} 22. Nxf5 Nd7 $15) (22. Nxe6 $16 Rxe6 23. Qxf5 Rxe5 24. Qxe5) 22... g6 23. a3 Bd5 24. Rd1 Bxf3 25. Nxf3 Nd5 26. Qd4 Qg7 27. Kf1 h6 28. h4 Kh7 29. Rxe8 Rxe8 30. h5 gxh5 31. Qh4 Qg4 32. Rd4 $1 {[%cal Rd4g4]} Re4 33. Rxe4 (33. Qd8 {feels hotter.} Rxd4 34. Qd7+ Kh8 35. Qe8+ Qg8 36. Qe5+) 33... fxe4 34. Qxg4 hxg4 $11 {[%mdl 4096] Endgame KN-KN} 35. Ne5 h5 36. Nd7 b6 37. Nb8 c5 38. bxc5 bxc5 39. Nxa6 c4 40. e3 c3 {[#] ( -> ...c2)} 41. Nc5 c2 42. Nb3 Nb6 43. Ke2 Nc4 44. a4 Kg6 45. Nc1 h4 46. gxh4 Kh5 47. a5 Nxa5 48. Kd2 Kxh4 {[#] Threatens to win with ...Kh3.} 49. Ne2 (49. Kxc2 {is interesting.} g3 50. fxg3+ Kxg3 51. Ne2+ Kf3 52. Nc3) 49... Kh3 {Strongly threatening ...Kg2.} 50. Nc3 $2 {[%mdl 8192]} (50. Kxc2 $11 Kg2 51. Ng3) 50... Nc4+ $2 (50... Nb3+ $19 51. Kxc2 Nc5) 51. Kxc2 {The position is equal.} Kg2 {And now ...Kf3 would win.} 52. Nxe4 Kf3 53. Nf6 Nxe3+ 54. Kd3 Kxf2 55. Nxg4+ {Weighted Error Value: White=0.29/Black=0.37} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.4"]
[White "Chasin, Nico"]
[Black "Wu, Rochelle"]
[Result "1/2-1/2"]
[ECO "D44"]
[WhiteElo "2293"]
[BlackElo "2126"]
[Annotator "TA"]
[PlyCount "177"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,177,51,31,21,47,49,36,47,20,46,33,61,51,58,55,58,56,48,45,44,62,54,44,55,68,45,49,44,32,31,34,52,41,35,65,2,5,0,0,0,0,0,15,0,0,0,8,0,0,0,0,0,0,0,0,-27,-28,-57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-45,-46,-40,0,0,0,-59,0,0,0,-62,-62,-64,-64,-287,-276,-29976,-29977,-29977,-29978,-29977,-29979,-29979,-29980,-29981,-29978,-29978,0,0,0,-29978,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Nbd7 11. g3 Bb7 12. Bg2 Qb6 13. exf6 O-O-O 14. O-O c5 15. d5 b4 16. Rb1 Qa6 17. dxe6 Bxg2 18. e7 Bxf1 19. Kxf1 {D44: Semi-Slav: Botvinnik System.} Bxe7 $1 {19...Qc6 is vanishing.} 20. fxe7 Rdg8 21. Ne4 {White is slightly better.} c3+ 22. Kg1 Rxg5 $1 23. Nxg5 Qg6 24. bxc3 Qxg5 25. Qe2 Qe5 26. Qa6+ {[%mdl 64] [#] Double Attack} Kb8 27. Qb5+ {[%mdl 64] Double Attack} Kc7 28. cxb4 Qxe7 29. Qa5+ Kb8 30. bxc5+ {[%cal Bb4c5,Bc5c6,Bc6c7][%mdl 32]} Ka8 $1 31. c6 {Threatening mate with Qc7!} Ne5 $1 {[%cal Re5f3]} 32. Qd5 {Intending c7+ and mate.} Qe6 33. Qxe6 fxe6 $14 {[%mdl 4096] Endgame KRN-KR} 34. c7 Rc8 {[#]} 35. f4 $146 (35. Kg2 $14) ({Predecessor:} 35. Kg2 Rxc7 36. Re1 Nd3 37. Rxe6 Rc2 38. Rf6 Rxa2 39. h4 Kb7 40. h5 a5 41. h6 {½-½ (48) Jacot,L (2510)-Mendl,M (2526) GER email 2016}) 35... Nd7 36. Re1 Nf8 37. h4 Kb7 38. Kg2 Rxc7 39. Re2 Kc6 40. h5 Kd6 41. Kh3 Ke7 42. Kh4 Kf6 43. Re5 Nd7 44. Ra5 e5 45. Ra6+ Kf5 {Strongly threatening ...e4.} 46. Rg6 Rc1 ({Black should try} 46... exf4 $15 47. g4+ Ke5 48. Rg5+ Ke6) 47. Rg5+ $11 Ke4 (47... Ke6 {looks sharper.} 48. Rg6+ Kd5 49. fxe5 Nc5 50. Kg4 Ne6) 48. Rg7 Rh1+ 49. Kg5 exf4 50. Re7+ Kf3 51. gxf4 Nc5 52. f5 Ne4+ 53. Kg6 Rg1+ 54. Kf7 Rg5 55. h6 {Black must now prevent f6.} Rxf5+ 56. Kg8 Rh5 57. Kg7 {aiming for h7.} Rg5+ 58. Kf8 Rh5 59. Kg7 Rg5+ 60. Kf7 Rh5 61. Kg7 Rg5+ 62. Kf8 {Threatens to win with h7.} Rh5 63. Re6 Kf4 64. Ra6 Nc5 65. Rf6+ Ke5 66. Kf7 Ne4 67. Ra6 {Hoping for Ra5+.} Rf5+ (67... Nc5 {is more complex.} 68. Rf6) 68. Ke7 (68. Kg7 $11 Rg5+ 69. Kf8) 68... Ng5 (68... Nc3 $1 $15 69. Rxa7 Nd5+ 70. Ke8 Rh5) 69. Ra5+ Kf4 70. Ra6 (70. Rxf5+ $1 $11 Kxf5 71. Kd7) 70... Rf7+ $15 71. Ke8 Rh7 72. a4 $2 (72. Kd8 $1 $15) 72... Kf5 {And now ...Ne6 would win.} 73. Kd8 $2 {[#]} (73. Ra5+ $19 Kf4 74. Kd8 Nf7+ 75. Kc8) 73... Ne6+ 74. Kc8 Rh8+ 75. Kb7 Nc5+ {[%mdl 64] Double Attack} 76. Kxa7 Nxa6 77. Kxa6 Rxh6+ {KR-KP} 78. Kb7 Ke5 $2 (78... Rh2 79. a5 Rb2+ 80. Kc6 Ra2 81. Kb6 Ke6 82. a6 Kd7 83. a7 Kc8 84. Kc5 Rxa7 85. Kd5 Ra4 86. Ke5 Kc7 87. Kd5 Kd7 88. Kc5 Ke6 89. Kb5 Rd4 90. Kc5 Rh4 91. Kb6 Kd6 92. Kb5 Re4 93. Kb6 Rb4+ 94. Ka5 Kc5 95. Ka6 Kc6 96. Ka7 Ra4+ 97. Kb8 Ra5 98. Kc8 Ra8#) 79. a5 $11 Rh7+ 80. Kc6 $2 {[%mdl 8192]} (80. Kb6 $11) 80... Rh6+ $2 (80... Kd4 {mates} 81. Kb5 Rh5+ 82. Kb4 Rh8 83. Kb5 Kd5 84. Kb6 Kc4 85. a6 Rh6+ 86. Ka5 Kc5 87. a7 Rh8 88. Ka6 Kc6 89. Ka5 Rc8 90. Ka4 Kb6 91. Kb4 Kxa7 92. Kb5 Rc7 93. Kb4 Ka6 94. Ka3 Rb7 95. Ka4 Rb8 96. Ka3 Ka5 97. Ka2 Ka4 98. Ka1 Kb3 99. Kb1 Rc8 100. Ka1 Rc1#) 81. Kb7 {The position is equal.} Kd6 82. a6 Rh7+ 83. Kb6 $1 Rh1 {( -> ...Rb1+)} (83... Rh2 {keeps more tension.} 84. Kb7 Ke6 85. a7 Rb2+ 86. Ka6 Ra2+) 84. Kb7 $1 Rb1+ (84... Kd5 {with more complications.} 85. a7 Rh7+ 86. Ka6 Rh6+ 87. Kb7 Rh7+) 85. Kc8 $1 Rc1+ 86. Kb8 Rb1+ 87. Kc8 $1 Ra1 88. Kb7 Rb1+ (88... Kd7 $5 {[%cal Ra1b1]} 89. a7 Ke8 $11) 89. Kc8 $1 {Weighted Error Value: White=0.06/Black=0.02} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.5"]
[White "Sarkar, Justin"]
[Black "Espinosa Silva, Pedro"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2365"]
[BlackElo "1755"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,47,44,42,47,62,64,59,53,38,54,65,64,62,65,103,67,70,62,42,43,78,81,74,55,62,0,98,70,64,62,65,47,88,88,463,111,121,111,112,110,214,210,371,260,533,285,823,803,29993,29994,29994,29995,29997,29998]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nc3 Bxc3+ 7. bxc3 Qe7 8. Qd5 f6 9. exf6 Nxf6 10. Qd3 d6 11. g3 O-O 12. Bg2 Re8 {A52: Budapest Gambit.} 13. O-O Qxe2 14. Qxe2 Rxe2 {White is slightly better.} 15. Nd4 Nxd4 16. cxd4 Be6 17. Bxb7 Rb8 18. Rab1 {[#]} Kh8 $146 ({Predecessor:} 18... Rd8 19. a3 Bxc4 20. Rfc1 d5 21. Bxc7 Rd7 22. Bf4 Ne4 23. Bc6 Rd8 24. Be3 Nd2 {½-½ (50) Goganov,A (2632)-Golubov,S (2492) Moscow 2017}) 19. Rfc1 h6 20. h4 Rxa2 21. c5 Bf5 22. cxd6 cxd6 ({Don't go for} 22... Bxb1 $2 23. dxc7 Re8 24. Rxb1 $18) 23. Bxd6 Rd8 {[#]} 24. Be7 (24. Rb5 $1 $14) 24... Rxd4 (24... Re8 $11 {remains equal.} 25. Bxf6 Bxb1) 25. Bxf6 gxf6 26. Rb5 Be6 27. Re1 Rd6 28. Bf3 a5 $2 {[%mdl 8192] [#]} (28... Kg7 $16 {is more resistant.}) 29. Rb7 $2 (29. Rb8+ $1 $18 {is the precise move to win.} Kg7 30. Bh5) 29... Ra4 30. Ra7 f5 31. Re5 f4 {[#]} (31... Ra3 $16) 32. g4 $1 $18 ({Don't take} 32. Rexa5 $6 Rxa5 33. Rxa5 fxg3 $16) 32... Ra3 $2 (32... Rad4 33. Rexa5 (33. Raxa5 Kh7 $16) 33... Bd7) 33. Kg2 a4 $2 (33... Ra4 34. Rc7 (34. Rexa5 Rxa5 35. Rxa5 Bd7 $16) 34... Rad4 35. Rxa5 Kg8) 34. Re4 Bd7 $2 (34... Rad3 35. Rexa4 Rd7 36. Rxd7 Rxd7 37. Rxf4 Kg7) 35. Re7 {Ra8+ would kill now.} Be6 36. Ra8+ {White mates.} Bg8 37. Be4 {[%csl Ge4][%cal Re7h7]} f3+ 38. Kg3 {[%csl Ge4][%cal Re7h7] Weighted Error Value: White=0.44/Black=1.02} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.6"]
[White "Vigorito, David"]
[Black "Tsyganov, Igor"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2339"]
[BlackElo "2221"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,37,50,63,50,56,57,60,69,62,58,80,61,57,43,41,18,28,12,88,61,92,66,64,63,65,61,91,83,110,70,62,68,97,71,105,72,105,53,74,50,79,64,81,72,131,113,141,118,147,109,120,88,51,61,139,0,1,5,0,-32,0,-4,-7,-20,0,-3,-28]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Nf3 O-O 6. Bg2 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ {E11: Bogo-Indian.} 9. Nbd2 Nxd2 10. Nxd2 Nc6 {White is slightly better.} 11. e3 Qe7 12. O-O d6 13. Qc3 a5 14. a3 {[#]} e5 $146 ({Predecessor:} 14... a4 15. d5 Nb8 16. Rac1 Nd7 17. dxe6 Qxe6 18. f4 Nc5 19. Rce1 Bd7 20. e4 Bc6 {½-½ (38) Abhilash,R (2188)-Chitlange,S (2073) Abu Dhabi 2017}) 15. d5 Nb8 16. c5 dxc5 (16... a4 $11) 17. Rac1 c6 18. Qxc5 Qxc5 19. Rxc5 Nd7 20. Rc3 c5 21. d6 Ra6 22. Ne4 b6 23. Rd1 a4 24. f4 Re8 25. f5 Ra7 26. Rcd3 (26. Rc4 $16) 26... Bb7 27. g4 f6 28. Kf2 Kf7 29. R3d2 Kf8 (29... g6 $142) 30. h4 Kf7 31. g5 Rd8 32. Bf3 g6 33. Ng3 Bxf3 34. Kxf3 b5 (34... c4 $14) 35. e4 (35. Kg4 $16) 35... b4 $11 36. Rh2 bxa3 {And now ...Rb7 would win.} 37. bxa3 Rb8 38. h5 {[#] Threatens to win with hxg6+.The position is equal.} Rb3+ 39. Kg4 gxf5+ (39... Rxa3 40. hxg6+ hxg6 41. Rh7+ Kg8 42. fxg6 $18) 40. Nxf5 {Strongly threatening g6+!} fxg5 {Weighted Error Value: White=0.25/Black=0.20} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.7"]
[White "Harris, Luke"]
[Black "Wang, Tianqi"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1755"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,-31,-30,-29,0,0,0,0,0,0,0,-38,-25,-34,-34,-45,-43,-68,-61,-85,-54,-62,-54,-114,-53,-55,-42,-52,-36,-91,-90,-110,-105,-165,-155,-196,-81,-93,-54,-50,0,0,0,2,8,9,27,0,11,-56,-11,-61,-50,-92,-91,-351,-367,-368,-353,-403,-410,-1170,-1151,-2284,-2183,-1955,-1925,-29981,-6160,-29968,-29969,-4902,-4886]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Qd2 Ng4 9. Nxc6 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line.} bxc6 10. Bd4 Bxd4 11. Qxd4 {The position is equal.} Qb6 12. Qxb6 axb6 {[%cal Ba7b6,Bb6b5,Bb5b4][%mdl 32]} 13. Rd1 d6 {[#]} 14. h3 $146 ({Predecessor:} 14. a3 Ne5 15. Bb3 Ba6 16. Kd2 Rfb8 17. Kc1 b5 18. f4 Ng4 19. Rd2 b4 20. Nd1 bxa3 21. bxa3 {0-1 (35) Heymann,U (2050)-Sandor,C (2365) Dresden 1994}) 14... Ne5 15. Bb3 b5 16. a4 b4 $1 {[%cal Rb4c3]} 17. Ne2 c5 18. f4 Nd7 19. c3 (19. Kf2 $15) 19... Nb6 (19... Bb7 $17 20. e5 Bxg2) 20. cxb4 $15 cxb4 21. Ra1 Bb7 22. Ng3 ({White should play} 22. O-O $15) 22... Nd7 $17 23. Bc2 Nc5 24. b3 (24. O-O $17 {might work better.}) 24... Rfc8 $19 25. Kd2 Ne6 (25... d5 $19 26. Rac1 dxe4) 26. Ne2 $17 Ba6 {aiming for ...Bxe2.} 27. f5 $1 Bxe2 (27... Nc5 {feels hotter.} 28. Nf4 e6 29. Rhe1 Bb7 30. Re3 Kf8) 28. fxe6 fxe6 29. Rac1 Ba6 $36 {[%mdl 2048] Black has the initiative.} 30. Bd3 Bb7 31. Ke3 Kg7 32. Kd4 (32. Rhf1 $11) 32... e5+ $15 33. Ke3 e6 34. Bb5 d5 35. Bd7 $2 {[%mdl 8192] White does not recover from this.} (35. Bd3 $17) 35... d4+ $19 36. Kd3 Ba6+ 37. Kd2 {[#]} Rc3 38. Bxe6 (38. Rc2 $142 Rf8 39. Kd1) 38... Rf8 39. Rxc3 Rf2+ 40. Kc1 bxc3 41. g4 Rb2 (41... Bd3 $142 42. Rd1 Rc2+ 43. Kb1 Rb2+ 44. Ka1 {[#]} c2 $1 {[%mdl 512]} 45. Kxb2 cxd1=Q 46. h4 Bxe4 47. h5 d3 48. Bc4 Qd2+ 49. Ka3 Qc3 50. h6+ Kh8 51. a5 d2 52. Be2 Bc2 53. Bc4 d1=Q 54. Ka4 Qxc4+ {[%mdl 64] Double Attack} 55. Ka3 Qxb3#) 42. Bc4 Bxc4 43. bxc4 d3 {Weighted Error Value: White=0.96/Black=0.29} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.8"]
[White "Johnson, Donald"]
[Black "Yanayt, Eugene"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1881"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,131,36,2,31,22,49,44,49,34,28,25,32,20,65,31,54,29,66,52,117,126,84,72,158,23,32,24,21,16,17,0,76,0,57,-57,-22,-16,-6,-14,-16,-12,0,0,0,-59,0,0,0,-6,0,0,116,-43,95,75,87,-253,-245,-225,-231,-259,-275,-253,-175,-161,280,306,275,0,0,0,0,0,0,0,204,179,343,345,300,223,383,385,379,284,384,329,467,468,464,461,546,546,546,546,546,535,522,522,663,639,967,853,1294,650,29982,29983,29983,29984,29984,29985,29985,29986]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nf6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. f3 O-O 10. Be3 Nc6 11. Qd2 Rfc8 {B52: Sicilian: Moscow Variation with 3...Bd7.} 12. b3 Rab8 13. O-O a6 {White is slightly better.} 14. a4 Qd8 15. Kh1 Qa5 16. Rfd1 {[#]} Qh5 $146 ({Predecessor:} 16... e6 17. Nde2 Ne8 18. Rab1 Qb4 19. Qc1 Ne5 20. Ba7 Ra8 21. Bg1 Rab8 22. Qe3 Nc6 {½-½ (56) Mrva,V (2172)-Harasta,I (2145) Slovakia 2002}) 17. Rac1 Nd7 18. Nde2 Rd8 19. Nd5 Nc5 (19... e6 $14) 20. Ng3 Qe5 21. Rb1 b6 (21... a5 $142) 22. Qc2 (22. f4 $16 Qe6 23. b4) 22... a5 $1 $11 23. Rd2 Rb7 24. Rf1 Bh8 25. Qd1 Nd7 (25... e6 $11 26. Nf4 Nb4) 26. Kg1 (26. Bh6 $16 Qe6 27. f4) 26... Qg7 ({Better is} 26... e6 $11 27. Nf4 Nc5) 27. Nh1 (27. e5 $14) 27... Qf8 28. Nf2 e6 29. Nf4 Nc5 30. Ne2 Nb4 31. Nd4 d5 32. Nb5 ({White should try} 32. cxd5 $11 exd5 33. Nb5) 32... Rbd7 (32... d4 $1 $15 33. Bxd4 (33. Nxd4 Rbd7 $15) 33... Bxd4 34. Rxd4 Rbd7 35. Rxd7 Rxd7) 33. cxd5 exd5 34. Bg5 Re8 35. Ng4 f6 (35... h5 $11 36. Ne3 Ne6) 36. Bh6 $2 ({White should play} 36. Nh6+ $16 Kg7 37. Bf4) 36... Qe7 (36... Bg7 $1 $15 {stays ahead.} 37. Bxg7 Qxg7) 37. exd5 $16 {Strongly threatening Nc7!} f5 {[#]} 38. Ne3 {[%mdl 8192]} (38. d6 $1 $16 {and life is bright.} Qf7 {[#]} 39. Re2 $1) 38... Qh4 $19 39. Nc4 {Hoping for Be3.} Qxh6 40. Nxb6 Qe3+ 41. Kh1 Nxb3 42. Nc4 Qf4 {[%mdl 8192]} (42... Nxd2 $19 43. Nxe3 Nxf1 44. Nxf1 Rxd5) 43. Qxb3 $18 Rc8 44. Nb6 (44. Ne3 $18) 44... Be5 $1 $11 {[%csl Ge5][%cal Rf4h2]} 45. d6+ Kg7 {[%csl Ge5][%cal Rf4h2]} (45... Kh8 $5 46. g3 $8 Qxd2 47. Nxc8 Nd3 $11) 46. g3 Qxd2 47. Nxc8 Qe2 $2 {Black is on the road to losing.} (47... Nc2 $11 {and Black is okay.} 48. Rg1 (48. Qe6 $2 Qe2 $19) 48... Qe2) 48. Qd1 $18 Qe3 (48... Qd3 49. Nb6 Rb7) 49. Re1 Qc5 50. Nb6 Rd8 {[#]} (50... Qxb6 {might work better.} 51. Rxe5 Qf2) 51. Nc7 $1 {Threatens to win with Ne6+.} Rxd6 {[#]} ({But not} 51... Qxb6 $2 52. Rxe5 Nc6 53. Ne6+ Kf6 54. Rb5 $18) 52. Qxd6 {[%mdl 576] Remove Defender} Bxd6 (52... Qxd6 53. Ne8+) 53. Ne6+ {[%mdl 64] Double Attack} Kf7 (53... Kh6 $142 54. Nxc5 Bxc5) 54. Nxc5 Bxc5 {[%mdl 4096] Endgame KRN-KBN} 55. Nc4 Nd3 56. Ne5+ Nxe5 57. Rxe5 {KR-KB} Bb4 58. Kg2 Kf6 59. f4 g5 60. Kf3 h5 61. Rb5 g4+ 62. Ke2 {Black must now prevent Rxb4!} h4 {[#]} 63. Rxb4 $1 {[%mdl 512] White mates.} axb4 64. a5 b3 65. Kd3 hxg3 66. hxg3 {Weighted Error Value: White=0.48/Black=0.65} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.9"]
[White "Fishbein, Alexander"]
[Black "Brady, Tyson"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2438"]
[BlackElo "1766"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,117,51,71,64,83,79,113,106,95,102,116,76,125,33,27,16,133,128,125,122,136,82,75,74,76,62,169,171,174,173,183,183,171,167,174,158,183,161,280,265,318,320,370,370,368,347,365,362,477,472,467,468,459,460,475,486,661,656,964,923,1599,1461,1324,1339,888,736,1178,1115,2288,1999,1595,863,29967,29976,29979,29979,29979,29979,29979,29980,29980,29981,29981,29982,29983,29983,29985,29986,29991,29990]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nc6 6. Be3 Nf6 7. Nc3 O-O 8. Be2 d6 9. O-O Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. f3 Nd7 13. Be3 a5 14. b3 Nc5 15. Rab1 f5 {[#]} 16. exf5 $1 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0.} gxf5 17. Nd5 {[#]} e5 $146 ({Predecessor:} 17... Bxd5 18. Qxd5+ e6 19. Qd2 Qc7 20. Qd5 Qd8 21. Qd2 Qc7 22. Kh1 Rad8 23. Qc2 f4 24. Bg1 Be5 25. a3 Ra8 26. Rbd1 Qg7 27. Bd3 Rac8 28. Rfe1 {½-½ (28) Collutiis,D (2415)-Vezzosi,P (2301) Spilimbergo 2018}) 18. Bg5 {White is better.} Qb8 19. Rbd1 {Threatens to win with Ne7+.} Ne6 20. Bh6 Rf7 21. Bxg7 (21. Nb6 $16) 21... Kxg7 22. Rf2 Nd4 (22... Qd8 $11) 23. Nb6 $16 Ra7 24. Qg5+ Kh8 25. Rxd4 exd4 26. Qf4 Qd8 {[#]} 27. Nc8 Qxc8 {Black is now going downhill.} ({Better is} 27... Ra8 $14 28. Nxd6 {[%mdl 64] Double Attack} Rf8) 28. Qxd4+ $18 {[%mdl 64] Double Attack} Kg8 {And now ...Ra8 would win.} 29. Qxa7 Qd8 30. Qd4 Qe7 31. Bf1 Qe5 32. Rd2 Rd7 33. f4 Qe4 (33... Qc5 $142 34. g3 Qxd4+ 35. Rxd4 Kf7) 34. Qxe4 fxe4 {[%mdl 4096] Endgame KRB-KRB} 35. Kf2 Kg7 36. Ke3 h5 37. g3 Kf6 38. Bg2 b5 39. Bxe4 Bxe4 40. Kxe4 bxc4 41. bxc4 {KR-KR} Re7+ 42. Kf3 Re6 43. Rd5 h4 44. g4 a4 45. Ra5 Re1 46. g5+ Kg6 47. Rxa4 Rh1 48. Ra6 Rxh2 49. Rxd6+ Kf7 50. Kg4 Rxa2 51. Kxh4 {White mates.} Rc2 52. Rc6 Ke7 53. Kg4 Kd7 54. Ra6 Rxc4 55. g6 Ke7 56. Kg5 Rc1 57. Ra7+ Kf8 58. f5 Rf1 59. Kf6 {[%cal Ra7a8] Weighted Error Value: White=0.13/Black=0.38} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "3.10"]
[White "Bregadze, Levan"]
[Black "Povinelli, Braydon"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2454"]
[BlackElo "1594"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,67,33,-3,0,-5,-14,-14,-12,0,-18,-16,85,82,83,85,119,115,165,133,138,102,99,86,111,114,108,103,104,100,142,100,130,111,116,118,332,321,336,354,408,411,412,407,412,350,493,394,547,536,519,519,1418,1165]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qb3 c5 {D18: Slav Defence: 5 a4 Bf5 6 e3.} 10. dxc5 a5 11. Nd4 {[#]} Bg6 $146 {The position is equal.} ({Predecessor:} 11... Qe7 12. Nxf5 exf5 13. Qc2 Qxc5 14. b3 Nbd7 15. Na2 Rac8 16. Bb2 Ne4 17. Nxb4 axb4 {½-½ (55) Hoang,T (2247)-Pham,L (2342) Vietnam 2016}) 12. Na2 Bxc5 13. Qxb7 Bb6 {[#]} 14. Nc3 $1 $36 {[%mdl 2048] White has strong initiative.} ({Much worse is} 14. Qxa8 Be4 $15) 14... Ra7 15. Qf3 Bxd4 16. exd4 Qc8 17. b3 Nc6 18. Nb5 Rd7 19. Bg5 Nd5 20. Rac1 Qb7 21. h4 h6 22. Bd2 Qb6 23. Qg3 Kh8 24. Rfe1 Nde7 25. Qg4 Nf5 $2 {This costs Black the game.} (25... Nxd4 $16 {is a better defense.} 26. Bc3 Nec6) 26. Bxe6 $18 fxe6 27. Rxe6 {[%mdl 64] [#] Double Attack} ({Weaker is} 27. Qxg6 Ncxd4 28. Bc3 Nxh4 $16) 27... Bh7 {[%cal Rf5d4]} 28. Rexc6 ({Don't do} 28. Rcxc6 Qd8 $18) 28... Qd8 29. Rc7 Rxc7 30. Rxc7 Qf6 (30... Bg8 $142 31. b4 axb4 32. Bxb4 Rf6) 31. Qf4 g5 32. hxg5 {White is clearly winning.} hxg5 33. Qxg5 Qe6 (33... Qxg5 $142 34. Bxg5 Bg8) 34. d5 {Weighted Error Value: White=0.11/Black=0.43} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.1"]
[White "Ippolito, Dean"]
[Black "Liang, Jason"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2369"]
[BlackElo "2342"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,0,-20,23,24,21,21,21,8,14,15,23,23,22,13,14,5,11,0,0,-1,-5,-36,-40,-29,-21,-92,-78,-98,-81,-103,-42,-39,-9,-17,-12,-16,-14,-137,0,0,0,0,0,0,163,170,181,184,1138,1088,1032,950,219,2902,2892,2590,29982,29983,29982,6745,29987,29988,29988,29989,29989,29985,29995,29995,29996,29996,29996,29997]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 dxc4 5. Qxc4 Bf5 6. Nc3 e6 7. g3 Be7 8. Bg2 O-O 9. O-O Nbd7 10. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ne4 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines.} 11. a5 Nxc3 12. bxc3 Be4 {The position is equal.} 13. Ba3 Bxa3 14. Rxa3 {[#]} Qe7 $146 ({Predecessor:} 14... Qc7 15. Ng5 Bxg2 16. Kxg2 c5 17. Rb1 Qc6+ 18. Nf3 b6 19. Qb5 Qxb5 20. Rxb5 a6 21. Rxb6 Nxb6 22. axb6 cxd4 {½-½ (40) Kopylov,A (2421)-Matlakov,M (2484) Rybinsk 2008}) 15. Raa1 c5 16. Qa4 Rfc8 17. Rfc1 Rc7 18. Ne1 Bxg2 19. Nxg2 Rac8 20. Rcb1 Nf6 21. Ne3 h5 22. Rb3 (22. Rb2 $11) 22... Ne4 $1 $17 23. Nd1 h4 24. Rb2 Qg5 (24... hxg3 $17 25. hxg3 f5) 25. dxc5 $15 hxg3 26. Qxe4 gxh2+ 27. Kxh2 {Strongly threatening Qg2.} Rxc5 28. Ne3 (28. Rxb7 $2 Qh5+ 29. Kg2 Rg5+ 30. Kf1 Qh3+ 31. Ke1 Rd8 $19) (28. Ra4 $1 $11 {keeps the balance.}) 28... Qh6+ ({Better is} 28... Re5 $1 $17 {[%cal Re5e4]} 29. Qxb7 Rxc3 30. Qa8+ (30. Qxa7 {gets mated.} Qh4+ 31. Kg1 Rg5+ 32. Ng2 Rh3 33. Rb8+ Kh7 34. Rh8+ {[%mdl 64] Decoy} Kxh8 35. Qb8+ Kh7 36. Qb1+ g6 37. Qxg6+ fxg6 38. f3 Rh1#) 30... Kh7) 29. Kg1 $1 $11 {Nf1 is the strong threat.} Rg5+ $1 30. Ng2 Rh5 {[%csl Gh6][%cal Rh5h1]} 31. Nf4 Rh4 (31... Rg5+ $11 {and Black has nothing to worry.} 32. Ng2 Rh5) 32. e3 $18 ({Worse is} 32. Qxb7 Qxf4 33. Qxc8+ Kh7 $15) 32... e5 33. Qxb7 Rc6 {[#]} (33... Rg4+ 34. Ng2 Rc6) 34. Qa8+ $1 (34. Qb8+ Kh7 $11) 34... Kh7 {[#]} 35. Rb8 $1 {[%csl Ga8][%cal Rb8h8]} Rh1+ (35... Qg5+ 36. Kf1) 36. Kg2 {[%csl Ga8][%cal Rb8h8]} Qg5+ 37. Kf3 {[%csl Ga8][%cal Rb8h8]} e4+ 38. Ke2 {[%csl Ga8][%cal Rb8h8]} Qg4+ 39. Kd2 {[%csl Ga8][%cal Rb8h8]} Qd7+ 40. Kc2 {[%csl Ga8][%cal Rb8h8] White mates.} Rxc3+ 41. Kxc3 {[%csl Ga8][%cal Rb8h8]} Qc7+ 42. Kb3 {[%cal Ra1h1]} g5 43. Rxh1+ Kg7 44. Rg8+ Kf6 45. Nd5+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.15/Black=0.50} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.2"]
[White "Chasin, Nico"]
[Black "Sarkar, Justin"]
[Result "1/2-1/2"]
[ECO "E02"]
[WhiteElo "2293"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,113,22,43,21,22,0,0,-15,31,40,38,35,54,48,51,18,22,24,31,30,31,25,39,37,52,38,38,36,42,38,48,15,15,15,15,15,15,15,16,15,36,12,14,20,20,10,20,20,20,16,20,7,8,10,8,12,14,0,0,0,0,0,0,0,0,-69,-8,-128,-28,-452,-184,-158,-39,-33,-28,-52,-26,-31,-16,-16,-18,-19,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bd7 7. Qxc4 Na5 8. Qd3 {E02: Open Catalan: 5 Qa4+.} c5 9. dxc5 Bxc5 10. Ne5 {[#]} Ba4 $146 (10... Qb6 {is interesting.} 11. O-O Bb5 12. Qc2 Rc8 13. Nc3 Bd4) ({Predecessor:} 10... Bc6 11. Qxd8+ Rxd8 12. Nxc6 Nxc6 13. Bxc6+ bxc6 14. Nd2 O-O 15. Nc4 Ne4 16. f3 Nd6 {½-½ (23) Tukmakov,V (2600)-Siegel,G (2480) Zuerich 1995}) 11. Nc3 Bb4 12. Bd2 Qxd3 13. Nxd3 Bc6 14. e4 Be7 15. Ne5 Nd7 16. Nxc6 Nxc6 17. f4 f6 18. O-O-O Kf7 19. Be3 Rhd8 20. Nb5 Nc5 21. Kb1 a6 22. Na3 (22. Nd4 {feels hotter.} Nxd4 23. Bxd4 b6 24. Be3 Rac8 25. e5) 22... Rxd1+ 23. Rxd1 Rd8 24. Rxd8 Nxd8 25. Nc4 b5 26. Nb6 e5 27. Kc2 Nc6 28. a3 Ne6 29. Nd5 Bc5 {Threatening ...Bxe3.} 30. f5 Ned4+ 31. Kd3 Nb3 32. Nc7 Bxe3 33. Kxe3 $11 {[%mdl 4096] Endgame KBN-KNN} Nb8 34. Bf1 Nd4 35. Kd3 Ke7 36. Kc3 Kd7 37. Nd5 Nbc6 38. a4 Kd6 39. h4 {[#]} (39. axb5 $11 Nxb5+ 40. Kc4) 39... Nxf5 $1 40. axb5 (40. exf5 $11 Kxd5 41. axb5 axb5 42. Bxb5) 40... axb5 (40... Nxg3 $17 41. bxc6 Nxf1) 41. Nxf6 {[%mdl 8192]} Nxg3 ({Inferior is} 41... gxf6 42. exf5 Nd4 43. g4 $11) (41... b4+ $142 42. Kd3 Nxg3 43. Ne8+ Kd7 44. Nxg7 Nxf1) 42. Ne8+ $19 Ke7 ({Black should try} 42... Kc5 $17 43. Bd3 Nh5) 43. Bxb5 $15 Nd4 44. Ba4 Nxe4+ 45. Kc4 Nd6+ 46. Nxd6 {The position is equal.} Kxd6 $11 {KB-KN} 47. h5 $1 g6 48. hxg6 hxg6 49. b4 g5 {aiming for ...g4.} 50. Bd1 Nf5 {...Ne3+ is the strong threat.} 51. Kd3 Nh6 52. b5 g4 53. b6 Kc6 54. Ke4 Kxb6 55. Kxe5 g3 {( -> ...g2)} 56. Bf3 {[#]} Ng4+ $1 57. Kf4 {Weighted Error Value: White=0.26/Black=0.22} (57. Kd4 Nh2) 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.3"]
[White "Wang, Tianqi"]
[Black "Wu, Derek"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2305"]
[BlackElo "2190"]
[Annotator "NA"]
[PlyCount "79"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:02:44]} c5 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:09]} a6 {[%emt 0:00:02]} 3. g3 {[%emt 0:00:04]} b5 {[%emt 0:00:09]} 4. Bg2 {[%emt 0:00:03]} Bb7 {[%emt 0:00:08]} 5. d3 {[%emt 0:00:06]} e6 {[%emt 0:00:12]} 6. Nh3 {[%emt 0:00:04]} b4 {[%emt 0:00:49]} 7. Ne2 {[%emt 0:01:07]} d5 {[%emt 0:00:45]} 8. O-O {[%emt 0:00:31]} dxe4 {[%emt 0:03:30]} 9. dxe4 {[%emt 0:00:55]} Qxd1 {[%emt 0:00:56]} 10. Rxd1 {[%emt 0:00:09]} Nf6 {[%emt 0:00:09]} 11. e5 {[%emt 0:01:14]} Bxg2 {[%emt 0:00:07]} 12. Kxg2 {[%emt 0:00:03]} Nfd7 {[%emt 0:00:09]} 13. f4 {[%emt 0:00:08]} Nb6 {[%emt 0:02:04]} 14. Ng5 {[%emt 0:04:44]} N8d7 {[%emt 0:05:51]} 15. a4 {[%emt 0:06:57]} Be7 {[%emt 0:03:46]} 16. Ne4 {[%emt 0:01:45]} f6 {[%emt 0:03:34]} 17. exf6 {[%emt 0:05:49]} gxf6 {[%emt 0:00:19]} 18. a5 {[%emt 0:01:25]} Nd5 {[%emt 0:03:20]} 19. f5 {[%emt 0:02:59]} O-O-O {[%emt 0:06:06]} 20. fxe6 {[%emt 0:03:52]} Nf8 {[%emt 0:00:15]} 21. Rf1 {[%emt 0:18:04]} Nxe6 {[%emt 0:01:29]} 22. c4 {[%emt 0:03:21]} bxc3 {[%emt 0:01:27]} 23. N2xc3 {[%emt 0:02:17]} Rhf8 {[%emt 0:03:49]} 24. Bh6 {[%emt 0:01:42]} Rf7 {[%emt 0:01:41]} 25. Rae1 {[%emt 0:00:21]} f5 {[%emt 0:07:14]} 26. Nxd5 {[%emt 0:01:36]} Rxd5 {[%emt 0:00:04]} 27. Nc3 {[%emt 0:00:06]} Rd6 {[%emt 0:00:05]} 28. Re5 {[%emt 0:00:54]} Nc7 {[%emt 0:07:54]} 29. Bc1 {[%emt 0:00:51]} Ne6 {[%emt 0:11:57]} 30. Rexf5 {[%emt 0:00:48]} Rxf5 {[%emt 0:00:33]} 31. Rxf5 {[%emt 0:00:09]} Bd8 {[%emt 0:00:13]} 32. Ne4 {[%emt 0:02:04]} Rd1 {[%emt 0:08:02]} 33. Bd2 {[%emt 0:02:18]} Kd7 {[%emt 0:01:39]} 34. Rf7+ {[%emt 0:00:38]} Kc6 {[%emt 0:00:05]} 35. Rxh7 {[%emt 0:00:18]} Rb1 {[%emt 0:01:18]} 36. Rh6 {[%emt 0:00:49]} Kd7 {[%emt 0:00:12]} 37. Bc3 {[%emt 0:00:10]} Bxa5 {[%emt 0:01:14]} 38. Bxa5 {[%emt 0:00:44]} Rxb2+ {[%emt 0:00:03]} 39. Kh3 {[%emt 0:00:30]} Ra2 {[%emt 0:00:28]} 40. Bc3 {[%emt 0:00:19]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.4"]
[White "Aaron, Deepak"]
[Black "Wu, Rochelle"]
[Result "1-0"]
[ECO "B77"]
[WhiteElo "2300"]
[BlackElo "2126"]
[Annotator "NA"]
[PlyCount "61"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:30]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:01]} cxd4 {[%emt 0:00:03]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:04]} g6 {[%emt 0:01:03]} 6. Be3 {[%emt 0:00:38]} Bg7 {[%emt 0:00:28]} 7. f3 {[%emt 0:00:04]} O-O {[%emt 0:00:09]} 8. Qd2 {[%emt 0:00:03]} Nc6 {[%emt 0:00:16]} 9. Bc4 {[%emt 0:00:06]} Bd7 {[%emt 0:00:14]} 10. h4 {[%emt 0:00:07]} Rc8 {[%emt 0:00:50]} 11. Bb3 {[%emt 0:00:05]} Nxd4 {[%emt 0:02:31]} 12. Bxd4 {[%emt 0:01:14]} b5 {[%emt 0:03:18]} 13. h5 {[%emt 0:03:50]} e6 {[%emt 0:04:42]} 14. hxg6 {[%emt 0:03:31]} fxg6 {[%emt 0:00:32]} 15. O-O-O {[%emt 0:04:44]} b4 {[%emt 0:06:40]} 16. Ne2 {[%emt 0:20:40]} a5 {[%emt 0:02:00]} 17. Nf4 {[%emt 0:02:42]} Qe7 {[%emt 0:04:22]} 18. Qe2 {[%emt 0:05:38]} a4 {[%emt 0:02:09]} 19. Bc4 {[%emt 0:02:20]} Rxc4 {[%emt 0:05:51]} 20. Qxc4 {[%emt 0:01:47]} Rc8 {[%emt 0:03:50]} 21. Qxb4 {[%emt 0:02:05]} e5 {[%emt 0:01:42]} 22. Bc3 {[%emt 0:00:25]} Rxc3 {[%emt 0:13:21]} 23. bxc3 {[%emt 0:02:00]} exf4 {[%emt 0:01:00]} 24. Qxd6 {[%emt 0:01:05]} Qxd6 {[%emt 0:12:14]} 25. Rxd6 {[%emt 0:01:06]} Bb5 {[%emt 0:00:11]} 26. Rb6 {[%emt 0:03:29]} Bc4 {[%emt 0:00:22]} 27. Rd1 {[%emt 0:03:19]} Kf8 {[%emt 0:04:08]} 28. Rd4 {[%emt 0:05:53]} Bxa2 {[%emt 0:01:12]} 29. e5 {[%emt 0:05:41]} Nd5 {[%emt 0:08:18]} 30. Rb8+ {[%emt 0:01:38]} Kf7 {[%emt 0:00:49]} 31. Rxa4 {[%emt 0:03:44]} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.5"]
[White "Bregadze, Levan"]
[Black "Johnson, Donald"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2454"]
[BlackElo "1881"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,110,-20,-8,-40,-34,-34,-31,-74,-68,-78,-72,-154,-167,-167,-76,-97,-89,-86,-66,-72,-85,-71,-66,-66,-66,-113,-56,-48,-47,-42,-55,-49,-61,-83,-14,-11,-5,-13,-10,-9,-3,-3,-7,-11,-8,0,0,-10,-8,-8,397,397,5812,5625,5210,5114,29976,29977,29977,29978,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985,29988,29989,29990,29991,29993,29994,29994,29995,29995,29995,29996,29996,29996,29997,29997,29997,29998,29999,29999]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. O-O d6 7. Ne1 Be6 8. d3 Nge7 9. Nc2 d5 10. cxd5 Nxd5 11. Ne3 {[%cal Re3d5] A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3.} Nde7 12. Ne4 b6 13. Qa4 {White wants to play Nxc5.Black is slightly better.} Rc8 14. Ng5 Bd7 $1 {[#]} 15. Qh4 $146 {[#]} (15. Re1 $142) ({Predecessor:} 15. Nc4 O-O 16. Nd6 Nd4 17. Qd1 Rc7 18. Nc4 Bc6 19. Bxc6 Nexc6 20. e3 Nf5 21. e4 {0-1 (65) Marn,J (2215)-Svanda,O (2234) Pardubice 2019}) 15... Nd4 $1 $17 16. Re1 Nef5 (16... f6 $19 {Threatens to win with ...Nef5.} 17. Ne4 Nef5 18. Nxf5 Nxf5) 17. Nxf5 Bxf5 18. e3 {[#]} h6 $1 19. exd4 {Strongly threatening Nf3.} hxg5 20. Qxg5 Qxg5 21. Bxg5 cxd4 22. Bb7 {[#]} Rc2 ({Black should try} 22... Rc5 $1 $17 23. Ba6 f6) 23. Rac1 $15 Bxd3 24. Bc6+ Kf8 25. Ba4 $1 {[%cal Ra4c2]} Rc5 26. Bd2 {aiming for Bb4.} Bh6 (26... a5 $17 27. b4 Rxc1 28. Rxc1 b5) 27. Bxh6+ $11 Rxh6 28. Rxc5 bxc5 29. Rxe5 Rh5 30. Rxh5 gxh5 {[%mdl 4096] Endgame KB-KB} 31. f4 Ke7 32. Kf2 Ke6 33. Bd1 h4 34. gxh4 c4 $2 {[%mdl 8192]} (34... Kf5 $11 {and Black has nothing to worry.}) 35. Be2 $18 {Black must now prevent Bxd3.} Bxe2 (35... Be4 36. Bxc4+ Kf6) 36. Kxe2 {KP-KP} Kf6 37. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} c3 38. Kd3 {White mates.} Kg6 39. b5 Kh5 40. a4 Kg4 41. h5 Kf3 42. h6 c2 43. Kxc2 Ke2 44. h7 d3+ 45. Kc3 d2 46. h8=Q d1=N+ 47. Kd4 Kd2 48. Qh3 Nf2 49. Qe3+ Kc2 50. Qxf2+ Kb3 51. Kc5 f5 52. Qe3+ Ka2 53. Kb4 a5+ 54. bxa6 Ka1 55. Kb3 {[%cal Re3g1]} Kb1 56. Qe1# {White used his chance.  Weighted Error Value: White=0.07/Black=0.47} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.6"]
[White "Titus, Andrew"]
[Black "Fishbein, Alexander"]
[Result "0-1"]
[ECO "C81"]
[WhiteElo "2158"]
[BlackElo "2438"]
[Annotator "NA"]
[PlyCount "64"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:58]} e5 {[%emt 0:00:27]} 2. Nf3 {[%emt 0:00:07]} Nc6 {[%emt 0:00:10]} 3. Bb5 {[%emt 0:00:19]} a6 {[%emt 0:00:11]} 4. Ba4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:05]} 5. O-O {[%emt 0:01:13]} Nxe4 {[%emt 0:00:04]} 6. d4 {[%emt 0:04:01]} b5 {[%emt 0:00:04]} 7. Bb3 {[%emt 0:00:02]} d5 {[%emt 0:00:05]} 8. dxe5 {[%emt 0:00:13]} Be6 {[%emt 0:00:03]} 9. Nbd2 {[%emt 0:02:30]} Nc5 {[%emt 0:00:05]} 10. Qe2 {[%emt 0:13:31]} Be7 {[%emt 0:09:23]} 11. Rd1 {[%emt 0:09:05]} O-O {[%emt 0:06:00]} 12. h3 {[%emt 0:09:07]} d4 {[%emt 0:09:14]} 13. Bxe6 {[%emt 0:06:26]} Nxe6 {[%emt 0:01:07]} 14. Qe4 {[%emt 0:04:35]} Qd7 {[%emt 0:02:27]} 15. Nb3 {[%emt 0:03:03]} Rad8 {[%emt 0:00:25]} 16. c3 {[%emt 0:09:36]} d3 {[%emt 0:05:48]} 17. Ne1 {[%emt 0:05:06]} Qd5 {[%emt 0:00:53]} 18. Qxd5 {[%emt 0:00:06]} Rxd5 {[%emt 0:00:02]} 19. Rxd3 {[%emt 0:01:39]} Rxd3 {[%emt 0:02:20]} 20. Nxd3 {[%emt 0:00:03]} Rd8 {[%emt 0:00:07]} 21. Nf4 {[%emt 0:03:21]} Rd1+ {[%emt 0:09:15]} 22. Kh2 {[%emt 0:00:01]} Nxe5 {[%emt 0:01:52]} 23. Nxe6 {[%emt 0:04:04]} fxe6 {[%emt 0:00:11]} 24. a4 {[%emt 0:08:15]} Bd6 {[%emt 0:05:02]} 25. g3 {[%emt 0:00:17]} Nf3+ {[%emt 0:02:56]} 26. Kg2 {[%emt 0:00:02]} Ne1+ {[%emt 0:00:10]} 27. Kh2 {[%emt 0:00:09]} Nc2 {[%emt 0:01:48]} 28. Ra2 {[%emt 0:00:08]} b4 {[%emt 0:00:18]} 29. Be3 {[%emt 0:06:08]} Nxe3 {[%emt 0:01:17]} 30. fxe3 {[%emt 0:00:04]} Rd3 {[%emt 0:00:56]} 31. Ra1 {[%emt 0:01:57]} Rxe3 {[%emt 0:01:25]} 32. Nd4 {[%emt 0:00:39]} Rxg3 {[%emt 0:00:40]} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.7"]
[White "Venkat, Raghav"]
[Black "Prasanna Raghuram Rao"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "2175"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,-17,-22,-18,0,-12,-13,-28,-30,-34,-32,-55,-8,-21,0,-17,-25,-37,-42,-60,-60,-84,-77,-134,-95,-133,-133,-146,-64,-77,-89,-93,-28,-113,-41,-62,0,-114,-39,-39,-31,-46,-26,-8,-22,-131,-117,-118,-119,-99,-83,-73,-8,-136,-137,-130,-137,-149,-82,-227,-206,-666,-661,-598,-565]} 1. b3 d5 2. Bb2 Bg4 3. h3 Bh5 4. d4 Nf6 5. Nd2 c5 6. dxc5 {[#] A01: Nimzowitsch-Larsen Opening.} e6 $146 ({Predecessor:} 6... Nc6 7. Ngf3 e6 8. e3 Bxc5 9. Be2 O-O 10. O-O Rc8 11. a3 a5 12. Ne5 Nxe5 13. Bxe5 {0-1 (34) Calvert,D (1982)-Bai,J (2444) London 2014}) 7. g4 Bg6 8. e3 {The position is equal.} Nc6 9. Ngf3 Bxc5 10. Bb5 Rc8 11. Ne5 O-O {Hoping for ...Nxe5.} (11... Bb4 {keeps more tension.} 12. O-O O-O 13. Nxg6 hxg6 14. c3 Bd6) 12. Bxc6 bxc6 13. Nxg6 fxg6 14. Qe2 Qe7 15. O-O-O Ba3 16. Bxa3 (16. Qa6 $142 Bxb2+ 17. Kxb2) 16... Qxa3+ $17 {[%mdl 64] Double Attack} 17. Kb1 a5 18. g5 Nh5 (18... Ne8 $17 19. Ka1 Nd6) 19. Qg4 Qe7 20. Rhf1 Rb8 (20... a4 $17) 21. Qa4 (21. h4 $11 {keeps the balance.}) 21... Qc5 (21... c5 $17 22. Qxa5 c4) 22. Qg4 Qe7 (22... Rfe8 $15) 23. Qa4 {[#]} Qc7 (23... c5 $1 $17 24. Qxa5 c4) 24. Qg4 $15 e5 25. c4 Qe7 26. cxd5 $1 cxd5 27. Qa4 (27. h4 $11) 27... Qxg5 $17 28. Qxa5 Nf6 29. e4 Ra8 30. Qc3 d4 (30... Rad8 $17) 31. Qc4+ (31. Qg3 $1 $11 Qh5 32. f3) 31... Kh8 32. f4 exf4 33. Qxd4 Rfd8 ({Black should play} 33... h6 34. h4 Qxh4) 34. Qb2 (34. Nf3 $17 Qa5 35. Qa4 Rxd1+ 36. Rxd1 Qxa4 37. bxa4) 34... Qg2 $19 35. Rxf4 $2 {[#]} (35. Qc2) 35... Qe2 $1 {[%cal Re2d1]} 36. Rff1 Nxe4 {Weighted Error Value: White=0.38/Black=0.21} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.8"]
[White "Amburgy, Ryan"]
[Black "Vigorito, David"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2019"]
[BlackElo "2339"]
[Annotator "NA"]
[PlyCount "59"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} g6 {[%emt 0:00:31]} 2. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:07]} 3. Bf4 {[%emt 0:00:00]} d6 {[%emt 0:01:17]} 4. e3 {[%emt 0:00:00]} Nd7 {[%emt 0:01:22]} 5. Nf3 {[%emt 0:03:12]} e5 {[%emt 0:04:26]} 6. Bg5 {[%emt 0:00:11]} Ne7 {[%emt 0:00:38]} 7. dxe5 {[%emt 0:03:48]} dxe5 {[%emt 0:00:29]} 8. Bc4 {[%emt 0:02:09]} f6 {[%emt 0:04:35]} 9. Bh4 {[%emt 0:00:37]} Nf5 {[%emt 0:00:23]} 10. Qe2 {[%emt 0:21:27]} c6 {[%emt 0:09:28]} 11. O-O-O {[%emt 0:02:39]} Qe7 {[%emt 0:00:54]} 12. Ne4 {[%emt 0:06:29]} Nc5 {[%emt 0:11:20]} 13. Nxc5 {[%emt 0:14:20]} Qxc5 {[%emt 0:00:20]} 14. Bg3 {[%emt 0:00:10]} Bd7 {[%emt 0:11:24]} 15. Bf7+ {[%emt 0:03:37]} Ke7 {[%emt 0:00:32]} 16. e4 {[%emt 0:00:36]} Nd6 {[%emt 0:05:18]} 17. Bb3 {[%emt 0:00:09]} Rhd8 {[%emt 0:06:32]} 18. Ne1 {[%emt 0:02:13]} Nb5 {[%emt 0:01:46]} 19. Nd3 {[%emt 0:07:18]} Nd4 {[%emt 0:00:45]} 20. Nxc5 {[%emt 0:00:05]} Nxe2+ {[%emt 0:00:12]} 21. Kb1 {[%emt 0:00:01]} b6 {[%emt 0:05:49]} 22. Rxd7+ {[%emt 0:00:43]} Rxd7 {[%emt 0:00:07]} 23. Nxd7 {[%emt 0:00:00]} Kxd7 {[%emt 0:00:12]} 24. Bc4 {[%emt 0:00:07]} Nxg3 {[%emt 0:05:42]} 25. hxg3 {[%emt 0:00:02]} Rh8 {[%emt 0:00:34]} 26. c3 {[%emt 0:00:33]} Ke7 {[%emt 0:04:42]} 27. Kc2 {[%emt 0:00:12]} h5 {[%emt 0:00:22]} 28. Be2 {[%emt 0:03:28]} Rd8 {[%emt 0:02:39]} 29. g4 {[%emt 0:00:08]} hxg4 {[%emt 0:01:04]} 30. Bxg4 {[%emt 0:00:05]} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.9"]
[White "Tsyganov, Igor"]
[Black "Graif, William"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2221"]
[BlackElo "2257"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,7,18,18,18,19,19,20,20,9,18,18,26,22,25,29,28,17,12,18,27,18,14,10,12,16,31,23,68,61,83,92,77,91,97,77,91,75,74,72,89,104,116,121,162,162,181,182,218,228,212,164,189,144,147,148,141,143,162,160,154,145,258,235,262,255,243,218,1126,1034,1480,944,2470,2283,2876,2658,3323,2865,29979,29973,29969,12253,29986,29987,29987,29988,29991,29992]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 a6 5. c5 b6 6. cxb6 $1 {D37: Queen's Gambit Declined: 5 Bf4.} cxb6 7. Bf4 Bd6 8. Bxd6 {The position is equal.} Qxd6 9. e3 Bb7 10. Bd3 b5 {[#]} 11. O-O $146 ({Predecessor:} 11. Ne5 Nbd7 12. f4 Rc8 13. O-O h5 14. Qf3 Ke7 15. Qg3 Rcg8 16. Qh4 g6 17. a4 {1-0 (52) Stober,M-Bandt,S Cologne 1994}) 11... Nbd7 12. a4 b4 13. Ne2 {[%cal Bc3e2,Be2c1,Bc1b3][%mdl 32]} a5 14. Nc1 O-O 15. Nb3 Ba6 16. Qe2 Bxd3 17. Qxd3 Ne4 18. Rfc1 Qb6 19. Ne5 Nxe5 20. dxe5 {Black must now prevent f3.} Rfc8 21. Qd4 Qa6 22. f3 Rc4 23. Rxc4 Qxc4 {[#]} 24. Nxa5 Qxd4 (24... Rxa5 25. fxe4) 25. exd4 $16 {[%mdl 4096] Endgame KRN-KRN} Nd2 {[#]} 26. Rc1 $1 f6 {[#]} (26... h5 27. Rc5) 27. Rc5 fxe5 28. dxe5 d4 29. Kf2 {Strongly threatening Ke2.} d3 30. Ke3 Rxa5 $18 {KRN-KR} 31. Rc8+ Kf7 32. Kxd2 Rxa4 33. Kxd3 $16 {KR-KR} Ra5 34. f4 Rd5+ 35. Ke3 Rb5 (35... g5 $16 {was necessary.}) 36. b3 g5 37. g3 ({Don't do} 37. fxg5 $6 Rxe5+ 38. Kf4 Re2 $18) 37... gxf4+ 38. gxf4 Kg6 $2 (38... h5 39. Rc4 Ke8) 39. Rf8 $18 Kg7 {[#]} 40. Rf6 $1 {[%cal Rf6e6]} Rc5 41. Rxe6 Rc3+ 42. Ke4 Rxb3 43. Re7+ Kg8 44. Rb7 Rb1 45. Kf5 (45. e6 $142 Ra1 46. Ke5 Kf8 47. f5 Ra8 48. Rxb4 h5 49. Rb7 Kg8 50. Kf6) 45... b3 46. Kf6 {[%cal Rb7b8] White mates.} h5 47. e6 Rf1 48. f5 {Weighted Error Value: White=0.05/Black=0.46} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "4.10"]
[White "Yanayt, Eugene"]
[Black "Panuganti, Kireet"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2125"]
[BlackElo "1962"]
[Annotator "ChessBase"]
[PlyCount "122"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:08:15]} Nf6 {[%emt 0:00:01]} 2. c4 {[%emt 0:00:07]} e6 {[%emt 0:00:36]} 3. Nf3 {[%emt 0:01:07]} d5 {[%emt 0:00:24]} 4. g3 {[%emt 0:00:14]} Be7 {[%emt 0:00:06]} 5. Bg2 {[%emt 0:00:08]} O-O {[%emt 0:00:05]} 6. O-O {[%emt 0:00:06]} c6 {[%emt 0:00:10]} 7. Nc3 {[%emt 0:00:17]} b6 {[%emt 0:01:36]} 8. Nd2 {[%emt 0:04:46]} Ba6 {[%emt 0:05:31]} 9. b3 {[%emt 0:04:25]} b5 {[%emt 0:05:23]} 10. Bb2 {[%emt 0:03:37]} Nbd7 {[%emt 0:08:34]} 11. Re1 {[%emt 0:06:18]} Rb8 {[%emt 0:04:42]} 12. e4 {[%emt 0:18:12]} bxc4 {[%emt 0:06:54]} 13. e5 {[%emt 0:03:38]} Ne8 {[%emt 0:00:13]} 14. Qc2 {[%emt 0:04:46]} Nb6 {[%emt 0:10:16]} 15. Bf1 {[%emt 0:02:09]} cxb3 {[%emt 0:11:05]} 16. axb3 {[%emt 0:00:03]} Bxf1 {[%emt 0:00:04]} 17. Nxf1 {[%emt 0:00:56]} Qc7 {[%emt 0:01:18]} 18. Ba3 {[%emt 0:04:14]} Rc8 {[%emt 0:17:05]} 19. Nd2 {[%emt 0:06:33]} c5 {[%emt 0:04:21]} 20. Qb2 {[%emt 0:06:28]} Qd7 {[%emt 0:02:55]} 21. Nf3 {[%emt 0:01:10]} c4 {[%emt 0:02:42]} 22. Bxe7 {[%emt 0:03:19]} Qxe7 {[%emt 0:00:03]} 23. bxc4 {[%emt 0:01:12]} Nxc4 {[%emt 0:01:04]} 24. Qa2 {[%emt 0:03:45]} Nxe5 {[%emt 0:05:06]} 25. Nxe5 {[%emt 0:00:50]} Rxc3 {[%emt 0:00:05]} 26. Qxa7 {[%emt 0:00:28]} Qxa7 {[%emt 0:00:19]} 27. Rxa7 {[%emt 0:00:03]} Rc7 {[%emt 0:04:00]} 28. Ra6 {[%emt 0:02:49]} h5 {[%emt 0:02:37]} 29. h3 {[%emt 0:01:10]} Nf6 {[%emt 0:00:20]} 30. g4 {[%emt 0:00:12]} hxg4 {[%emt 0:00:20]} 31. hxg4 {[%emt 0:00:03]} Rfc8 {[%emt 0:00:47]} 32. g5 {[%emt 0:00:48]} Rc1 {[%emt 0:03:44]} 33. Rxc1 {[%emt 0:00:08]} Rxc1+ {[%emt 0:00:02]} 34. Kg2 {[%emt 0:00:08]} Ne4 {[%emt 0:01:07]} 35. g6 {[%emt 0:03:44]} fxg6 {[%emt 0:00:48]} 36. Rxe6 {[%emt 0:00:33]} Rc2 {[%emt 0:00:42]} 37. Re8+ {[%emt 0:01:35]} Kh7 {[%emt 0:00:01]} 38. Ng4 {[%emt 0:00:03]} Rd2 {[%emt 0:00:27]} 39. Kf3 {[%emt 0:00:57]} Rxd4 {[%emt 0:01:29]} 40. Ke3 {[%emt 0:00:11]} Rd1 {[%emt 0:00:54]} 41. Re7 {[%emt 0:00:54]} g5 {[%emt 0:01:43]} 42. f3 {[%emt 0:01:20]} Nd6 {[%emt 0:00:10]} 43. Ke2 {[%emt 0:00:03]} Rd4 {[%emt 0:00:38]} 44. Rd7 {[%emt 0:01:47]} Ne8 {[%emt 0:00:58]} 45. Ke3 {[%emt 0:01:11]} Rd1 {[%emt 0:00:08]} 46. Ke2 {[%emt 0:00:12]} Rd4 {[%emt 0:00:32]} 47. Ke3 {[%emt 0:00:12]} Ra4 {[%emt 0:00:52]} 48. Rxd5 {[%emt 0:00:24]} Kg6 {[%emt 0:00:31]} 49. Ne5+ {[%emt 0:00:39]} Kf6 {[%emt 0:00:27]} 50. Ng4+ {[%emt 0:00:38]} Kg6 {[%emt 0:00:07]} 51. Ne5+ {[%emt 0:00:10]} Kh7 {[%emt 0:00:48]} 52. Ng4 {[%emt 0:01:05]} Nf6 {[%emt 0:00:38]} 53. Rxg5 {[%emt 0:00:23]} Nxg4+ {[%emt 0:00:17]} 54. fxg4 {[%emt 0:00:30]} g6 {[%emt 0:00:40]} 55. Kf3 {[%emt 0:00:08]} Ra3+ {[%emt 0:00:08]} 56. Kf4 {[%emt 0:00:06]} Kh6 {[%emt 0:00:19]} 57. Rb5 {[%emt 0:00:32]} g5+ {[%emt 0:00:36]} 58. Ke4 {[%emt 0:01:15]} Ra4+ {[%emt 0:00:59]} 59. Kf3 {[%emt 0:00:08]} Rf4+ {[%emt 0:00:13]} 60. Kg3 {[%emt 0:00:05]} Rf6 {[%emt 0:00:22]} 61. Rb8 {[%emt 0:01:00]} Ra6 {[%emt 0:00:43]} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.1"]
[White "Wang, Tianqi"]
[Black "Ippolito, Dean"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2305"]
[BlackElo "2369"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,141,22,25,24,14,28,25,20,30,27,35,16,65,59,80,29,34,29,33,31,39,37,31,37,39,39,39,39,41,0,42,0,41,42,45,41,36,31,77,74,109,85,94,85,109,70,80,45,45,55,53,40,70,40,41,43,48,25,25,0,23,22,25,25,34,12,12,12,12,12,12,12,12,12,55,56,56,56,56,57,67,74,77,77,1147,1140,1125,1119,1035,885,11300,10671,4413,1279,29945,29948,11761,5604,29966,29968,29969,29970,29970,29971,29970,29972,29974,29974,29975,29976,29976,29977,29977,29978,29978,29979,29979,29976,29980,29981,29982,29983,29983,29984,29984,29980,29980,29981,29981,29982]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 9. O-O-O Nf6 10. Bd3 {White has an edge.} c5 11. Rhe1 Be6 12. Bg5 Qa5 13. a3 Rfe8 14. Bxf6 (14. Qf4 $16) 14... Bxf6 $11 15. Ng5 Bxg5 16. Qxg5 {[#]} d5 $146 ({Predecessor:} 16... h6 17. Qf4 d5 18. g4 Qd8 19. Be2 Qg5 20. Qxg5 hxg5 21. Bf3 Kf8 22. Bxd5 Bxg4 23. Rxe8+ Rxe8 {½-½ (46) Giri,A (2772)-Motylev,A (2675) Tbilisi 2017}) 17. Bf5 Qd8 18. Qg4 {[%cal Rf5e6]} Qf6 19. Bxe6 Rxe6 20. Rxe6 fxe6 $14 {[%mdl 4096] Endgame KQR-KQR} 21. Rd2 Re8 22. Kb1 b6 23. f4 h6 24. g3 Rd8 25. Re2 Rd6 26. Re5 d4 27. cxd4 cxd4 28. Qe2 Qf7 29. Qd3 Qd7 30. f5 exf5 31. Rxf5 Qe6 32. Rf4 (32. Rf1 {is interesting.} Qd5 33. Rd1 b5 34. Re1 a6 35. Re4) 32... Qe3 33. h4 Qxd3 34. cxd3 {KR-KR} Rd5 35. Kc2 g5 36. hxg5 (36. Rf6 {seems wilder.} Kg7 37. Re6 Rc5+ 38. Kb3 Rb5+ 39. Ka2) 36... hxg5 37. Re4 Kf7 38. a4 a5 39. Kb3 {Strongly threatening Kc4!} b5 40. axb5 Rxb5+ 41. Ka3 Rd5 42. b4 axb4+ 43. Kxb4 Kf6 44. Kc4 Rd8 45. Rxd4 Rc8+ 46. Kd5 Rd8+ 47. Ke4 Re8+ 48. Kf3 Re6 $2 {[%mdl 8192] [#] Loses the game.} (48... Re1 $16) 49. Rd5 $18 Re1 50. Kg4 Re3 51. Rf5+ Ke6 52. Rf3 Re5 53. Kh5 (53. d4 $142 Rd5 54. Re3+ Kf6 55. Re4) 53... Rd5 54. g4 Ke7 55. Rf5 Rxd3 56. Kxg5 {White mates.} Rd8 57. Kh6 Ke6 58. Rf2 Rh8+ 59. Kg7 Rh1 60. Re2+ Kd7 61. g5 Rh3 62. g6 Rh1 63. Kf7 Rf1+ 64. Kg8 Rh1 65. g7 Rh3 66. Re4 Rh1 67. Kf7 Rf1+ {[#]} 68. Kg6 $1 Rg1+ 69. Kh6 Kd6 70. Rh4 Ke7 71. Kh7 {Weighted Error Value: White=0.09/Black=0.37} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "5.2"]
[White "Prasanna Raghuram Rao"]
[Black "Aaron, Deepak"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2437"]
[BlackElo "2300"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,55,50,41,58,52,68,45,56,23,67,65,76,60,127,120,134,143,144,143,254,256,511,503,560,555,541,535,512,506,539,506,506,505,493,506,519,519,568,563,603,600,607,600]} 1. d4 e6 2. c4 f5 3. g3 Nf6 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 d6 7. O-O Bxd2 8. Bxd2 Ne4 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} 9. Rc1 Nd7 {[#]} 10. Qc2 $146 ({Predecessor:} 10. Bc3 Qe7 11. b4 Nxc3 12. Rxc3 Nf6 13. Nd2 e5 14. e3 e4 15. f3 exf3 16. Qxf3 {½-½ (16) Teixeira,R (2325)-Limp,E (2370) Rio de Janeiro 1997}) 10... Qe8 {White is slightly better.} 11. Ng5 Nxg5 12. Bxg5 Qh5 13. Bd2 e5 (13... Nf6 $14) 14. c5 $16 Nf6 15. cxd6 cxd6 16. Bb4 {dxe5 is the strong threat.} f4 (16... Re8 $16 17. Bxd6 exd4) 17. Bxd6 Bh3 $2 {[#]} (17... Re8 18. dxe5 (18. Bxe5 Ng4 $16) (18. gxf4 exd4 19. Qb3+ Kh8 $16) 18... Ng4) 18. Bxf8 {White is clearly winning.} Bxg2 19. Kxg2 Rxf8 20. Qb3+ Kh8 21. Qf3 Qg5 22. dxe5 Qxe5 23. Qxf4 Qxb2 24. Qf3 Qxa2 25. Ra1 Qe6 26. Rxa7 h6 27. Qxb7 {[%csl Ga7][%cal Rb7g7] [#]} Nh5 28. Ra8 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.05/Black=0.43} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.3"]
[White "Fishbein, Alexander"]
[Black "Chasin, Nico"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "2438"]
[BlackElo "2293"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,94,19,46,28,82,21,35,30,38,33,35,25,37,5,23,17,56,43,97,100,125,49,235,239,222,32,26,16,462,475,517,503,435,80,75,69,89,102,93,79,112,119,122,8,10,8,8,14,37,11,52,8,19,0,0,0,-9,-37,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 h5 8. h3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Bc5 (8... h4 $11 {keeps the balance.}) 9. Nxc6 (9. Nb3 $16 Be7 10. O-O) 9... dxc6 10. Qd3 {White is slightly better.} h4 {[#]} 11. Be3 $146 ({Predecessor:} 11. g4 e5 12. Be3 Bxe3 13. Qxe3 Ne7 14. O-O Be6 15. Rad1 O-O 16. Qg5 Ng6 17. b3 {0-1 (27) Geher,K (1912)-Korpa,B (2474) Hajduboszormeny 2016}) 11... Bxe3 12. Qxe3 hxg3 13. f4 e5 14. Qxg3 Ne7 15. f5 (15. fxe5 Ng6 $15) (15. Qxg7 $2 Rg8 $17) 15... Bd7 (15... g6 $14) 16. O-O-O $36 {[%mdl 2048] White is in control.} (16. Qxg7 Rg8 $11) 16... g6 17. f6 (17. Qg5 $1 $16) 17... Nc8 $2 (17... Ng8 $14) 18. Na4 $1 $18 {[%cal Bc3a4,Ba4c5,Bc5d7][%mdl 32]} c5 {[#]} 19. Rxd7 Kxd7 $14 20. Rd1+ Kc6 $2 {[%mdl 8192] [#]} (20... Ke8 $11 {and Black has nothing to worry.}) 21. Nxc5 $1 $18 {[%mdl 512]} b6 ({Not} 21... Kxc5 22. Rd5+ Kc6 23. Qc3+ Kb6 24. Qe3+ Kc6 25. Qc5#) (21... Nd6 22. Qxe5) 22. Nd7 Re8 23. Qb3 $2 (23. Rd5 $18 {and the rest is easy.}) 23... Nd6 $16 {[#]} 24. Nxb6 Rab8 {[#]} 25. Nd5 {Qc3+ would kill now.} Rxb3 26. Nxc7 Kxc7 27. axb3 {[%mdl 4096] Endgame KRB-KRN} Re6 28. Bf1 (28. Rd5 $16) 28... Rxf6 $11 29. Bxa6 {With the idea Rd5.} Nxe4 30. Bc4 Nd6 31. Bd5 Rf2 32. Re1 f6 33. c4 Nf5 34. Kb1 Nd4 35. c5 f5 36. Rxe5 {Threatens to win with b4.The position is equal.} Rf1+ $1 37. Ka2 {Hoping for b4.} Nc2 {[%csl Gc2][%cal Rf1a1]} 38. b4 $1 {[%cal Rb4b5]} ({But not} 38. Re7+ $2 Kd8 $19) 38... Nxb4+ 39. Kb3 Nd3 {[#]} 40. Bc4 $1 Nxe5 41. Bxf1 {KB-KN} Kc6 42. Kb4 {Black must now prevent Bg2+.} f4 43. Bb5+ Kd5 44. Ba6 {Bb7+ is the strong threat.} Kc6 45. Bb5+ Kd5 46. Ba6 {And now Bb7+ would win.} Kc6 47. Bb5+ Kd5 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.30/Black=0.31} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.4"]
[White "Sarkar, Justin"]
[Black "Bregadze, Levan"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2365"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,12,26,22,47,3,46,0,34,-8,2,0,47,46,50,40,43,41,50,25,22,32,50,50,50,50,43,42,46,53,52,10,12,0,0,0,13,8,21,21,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. h3 Nd7 5. g4 c6 6. a4 {B06: Modern Defence.} e5 7. Nge2 {[#]} Ne7 $146 (7... h5 {looks sharper.} 8. g5 exd4 9. Nxd4 Ne7 10. Bg2 O-O) ({Predecessor:} 7... h5 8. g5 Ne7 9. Bg2 O-O 10. Be3 d5 11. exd5 Nf5 12. h4 exd4 13. Nxd4 Nxe3 14. fxe3 {1-0 (41) Djurhuus,R (2460)-Bern,I (2370) Gausdal 1993}) 8. Bg2 {White is slightly better.} O-O 9. a5 f5 10. dxe5 dxe5 (10... Nxe5 {is more complex.} 11. f4 Nf7 12. Be3 fxe4 13. Nxe4 d5) 11. exf5 gxf5 12. Ng3 Nf6 13. Qxd8 Rxd8 14. gxf5 (14. Bg5 {with more complications.} h6 15. Nxf5 Nxf5 16. Bxf6 Bxf6 17. gxf5 Bxf5 18. a6) 14... Nxf5 15. Bg5 h6 16. Bxf6 Bxf6 17. Nxf5 Bxf5 18. a6 Rab8 19. axb7 Rxb7 20. Bxc6 (20. Be4 {feels hotter.} Bc8 21. Rg1+ Kh8 22. Rg6 Bg5 23. Rxc6 Rxb2 24. Rd1) 20... Rxb2 {The position is equal.} 21. Be4 Bxe4 $1 22. Nxe4 Bg7 23. O-O Rd7 24. c3 Re2 25. Ra4 Rf7 26. Rfa1 Rf4 27. Ng3 Rexf2 28. Rxf4 Rxf4 29. Rxa7 $11 {[%mdl 4096] Endgame KRB-KRN} Bf8 {[#] White must now prevent ...Bc5+.} 30. Ra5 Rf3 31. Kg2 Rxc3 32. Rxe5 Bd6 33. Re8+ Kf7 34. Ne2 Ra3 35. Re4 h5 36. Nf4 h4 37. Ne2 {Weighted Error Value: White=0.07/Black=0.08} 1/2-1/2

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.5"]
[White "Liang, Jason"]
[Black "Tsyganov, Igor"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2342"]
[BlackElo "2221"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,86,10,0,17,16,18,8,23,9,31,27,27,27,27,30,23,8,36,33,52,47,42,40,41,41,47,49,41,52,38,12,103,77,97,97,97,83,114,101,124,83,75,78,73,83,67,63,131,108,108,92,121,119,129,129,177,177,173,141,214,208,223,171,246,141,179,175,357,285,381,361,321,392,608,582,561,587,515]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 Nxb5 5. Nxb5 d6 6. d4 a6 {B23: Closed Sicilian: Lines without g3.} 7. Nc3 cxd4 8. Qxd4 e5 {The position is equal.} 9. Qb4 Ne7 10. O-O Nc6 {[#]} 11. Qb3 $146 ({Predecessor:} 11. Qa3 Be7 12. Nd5 O-O 13. Be3 f5 14. Bb6 Qd7 15. exf5 Rxf5 16. Rad1 Bf8 17. Rfe1 {1-0 (31) Hendrickson,N (2168)-Greeuw,S (1949) Helsingor 2014}) 11... Na5 12. Qd5 Be6 13. Qd2 Be7 14. b3 b5 15. Nd5 Bxd5 16. Qxd5 O-O 17. Bd2 Qb6 18. c4 Nc6 19. Be3 Qb7 20. Nd2 Na5 (20... Rfb8 $11) 21. Rfc1 Qxd5 22. cxd5 ({But not} 22. exd5 f5 $14) 22... Rfc8 23. Kf1 Kf8 24. Ke2 Ke8 25. Rxc8+ Rxc8 26. a4 {Threatens to win with axb5.} b4 27. Bb6 Nb7 28. Nc4 Bd8 ({Black should play} 28... g6 $14) 29. Be3 Kd7 30. Rc1 f6 31. f3 g6 32. g4 Nc5 33. Bxc5 Rxc5 $18 {[%mdl 4096] Endgame KRB-KRN} 34. Kd3 Bc7 {[#]} (34... Rc8 $16 {was worth a try.} 35. h4 a5) 35. Rc2 $1 Bd8 36. h3 Bc7 {[#]} (36... Rc8 $142 37. h4 a5) 37. Rh2 (37. Ne3 $1 $18) 37... Bd8 38. h4 h5 $2 (38... Bc7 {is a better defense.} 39. g5 Ke7) 39. Rg2 f5 40. gxf5 gxf5 41. Rg7+ ({Inferior is} 41. exf5 Rxd5+ 42. Ke2 Rd4 $11) 41... Be7 (41... Ke8 $142 42. Nxd6+ Kf8 43. Rf7+ Kg8 44. Rxf5 {[%mdl 64] Double Attack} Rc3+ 45. Ke2 Be7) 42. Rh7 Ke8 43. Rxh5 Bf8 {Weighted Error Value: White=0.12/Black=0.32} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.6"]
[White "FISHBEIN, Micth"]
[Black "Molner, Mackenzie"]
[Result "0-1"]
[ECO "A80"]
[BlackElo "2448"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,16,10,17,23,12,0,22,-20,-22,-28,-21,-18,-13,-17,-14,-18,-22,-29,-25,-31,-19,-21,-25,-25,-17,-36,-29,-27,-17,-205,-194,-311,-296,-350,-322,-318,-303,-428,-347,-333,-351,-462,-441,-530,-519,-520,-515,-557,-550,-689,-687,-604,-480,-477,-473,-463,-452,-536,-533,-539,-507]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3 Nc6 {[%cal Bb8c6,Bc6e7,Be7c8,Bc8d6][%mdl 32]} 7. a3 Qd7 {A80: Dutch Defence: Unusual White second moves.} 8. Nge2 O-O-O 9. Qd2 Kb8 {The position is equal.} 10. O-O-O {[#]} Ne7 $146 ({Predecessor:} 10... Rc8 11. Kb1 Nd8 12. Nf4 Bf7 13. Rhe1 h5 14. f3 g5 15. Nfe2 Bh6 16. Nc1 Bg6 {½-½ (60) Schwing,H (2315)-Buhr,C (2340) Gladenbach 1997}) 11. Kb1 Nc8 12. h3 g5 13. f3 Nd6 14. h4 h5 15. Ng3 Bf7 16. Qf2 f4 17. Nf1 Nf5 18. Bxf5 Qxf5 19. e4 dxe4 20. fxe4 Qa5 {...Bxa3! is the strong threat.} 21. Qd2 $2 {[#] Now White is beyond hope.} (21. Rh3 $1 $11) 21... Bxa3 $1 $19 22. Nd5 (22. bxa3 $142 Qxa3 23. Rh3) 22... Rxd5 23. exd5 Bb4 ({Don't take} 23... Qxd5 24. b3 $19) 24. Qd3 Qxd5 {( -> ...Qa2+)} ({Much less strong is} 24... Bxd5 25. c3 $19) 25. c4 (25. Kc1 {only move.}) 25... Qxc4 26. Qxc4 Bxc4 27. hxg5 fxg5 {Black is clearly winning.} 28. d5 Be2 29. Rd4 Bc5 30. Rd2 f3 31. g4 h4 32. Ng3 Be3 33. Rxe2 fxe2 34. Nxe2 Bc5 35. Rh3 Re8 36. Nc3 Re3 {Weighted Error Value: White=0.44/Black=0.09} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.7"]
[White "Vigorito, David"]
[Black "Panuganti, Kireet"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2339"]
[BlackElo "1962"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,117,20,26,86,85,87,28,59,62,61,75,64,24,21,25,18,0,60,64,56,61,83,74,83,78,80,83,85,77,85,87,124,70,118,110,108,93,164,164,162,149,165,165,191,181,182,167,185,186,264,112,215,125,267,250,250,250,250,243,285,275,322,275,275,274,285,285,433,433,659,594,657,419,379,181,181,181,181,116,116,103,103,103,103,103,158,158,29980,29981,29987,29988,29988,29989,29989,29990]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Be7 5. Bg2 O-O 6. O-O c6 7. Qc2 Nbd7 8. Bf4 Nh5 9. Bc1 Nhf6 10. Rd1 b6 11. Bf4 Bb7 {11...dxc4 is the recent fashion.} 12. Ne5 Rc8 13. Nc3 c5 {E08: Closed Catalan: Main Line: 7 Qc2.} (13... Nh5 $11) 14. cxd5 $16 exd5 15. dxc5 {[#]} ({White should try} 15. e3 $16) 15... Bxc5 $146 {White has an edge.} ({Predecessor:} 15... Nxe5 16. Bxe5 Bxc5 17. e3 Qe7 18. Qf5 Qe6 19. Bh3 Rcd8 20. Qxe6 fxe6 21. Bxe6+ Kh8 22. Bxf6 Rxf6 23. Bxd5 {1-0 (46) Abrantes,T (2107)-De Souza,C (1824) Sao Paulo 2014}) 16. Qa4 Nxe5 17. Bxe5 Qe7 18. Bxf6 ({Much weaker is} 18. Qxa7 Ng4 $15) 18... Qxf6 19. e3 Bc6 20. Qg4 Rcd8 ({Better is} 20... h5 $11 21. Qf4 (21. Qxh5 d4 $11) 21... Qxf4 22. gxf4 d4 23. exd4 Bd6) 21. Qf3 Qe5 22. Qf4 Qe6 23. Rac1 Bd6 24. Qf3 Be5 25. Nxd5 {aiming for Rxc6!} Bxd5 26. Rxd5 Bxb2 27. Rc7 a5 28. Qd1 (28. Rxd8 $1 $16 Rxd8 29. Bf1) 28... Rc8 29. Rxc8 Qxc8 30. Qb3 Bf6 (30... Bc3 $16) 31. Qxb6 $18 a4 32. Rc5 Qg4 33. Qc6 Qd1+ 34. Bf1 a3 35. Kg2 h5 36. h4 Rb8 (36... Qg4 {is a better defense.} 37. Ra5 Rc8) 37. Rc1 (37. Bc4 $18) 37... Qg4 (37... Qd8 $16 {was worth a try.} 38. Bc4 Bb2) 38. Bd3 (38. Bc4 $18 {Black must now prevent Bxf7+!} Bb2 39. Bxf7+ $1 {[%mdl 512]} Kxf7 40. Qd5+ Kg6 41. Qd6+ {[%mdl 64] Double Attack} Kh7 42. Qxb8 Bxc1 43. Qb1+ {[%mdl 64] Double Attack} Qg6 44. Qxc1) 38... Bb2 (38... Rd8 $16) 39. Rc4 $40 {[%mdl 128] White is out for blood.} Qe6 40. Qxe6 fxe6 {[%mdl 4096] Endgame KRB-KRB} 41. Bg6 Rd8 42. Bxh5 Rd2 43. Bg6 {White wants to mate with Rc8+.} Kf8 44. Rc2 Rxc2 45. Bxc2 {KB-KB} Kf7 (45... e5 $142 46. g4 Kf7) 46. f4 Kf6 (46... Bc1 $142 47. Kf3 Bd2) 47. Kf3 Bc3 48. g4 Kf7 49. e4 (49. g5 $142) 49... e5 50. Bb3+ Ke7 51. f5 (51. Bc4 $18) 51... Be1 $16 52. g5 Bxh4 53. Kg4 $1 {[%cal Rg4h4]} Be1 54. Kh5 Kf8 (54... Bd2 $142 55. Kg6 Be3) 55. Kg6 Bb4 $2 {[#]} (55... Bd2 $16 56. f6 gxf6) 56. Kh7 $1 {White mates.} Bd2 {[#]} 57. f6 $1 g6 58. Kxg6 Bf4 59. Kf5 {Weighted Error Value: White=0.16/Black=0.46} 1-0

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.8"]
[White "Wu, Derek"]
[Black "Amburgy, Ryan"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2190"]
[BlackElo "2019"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,96,3,15,23,20,22,100,-5,-5,0,0,3,10,0,2,-6,7,0,8,0,0,0,0,0,0,0,0,0,0,0,0,-23,-5,-82,-77,-135,-135,-269,-271,-245,-85,-135,-135,-135,-118,-185,-177,-177,-151,-173,-169,-176,-170,-170,-177,-177,-170,-171,-167,-410,-402,-506,-492,-504,-496,-621,-581,-559,-551,-590,-550,-584,-566,-935,-918,-892,-884,-1064,-1045,-1048,-1039,-2210,-2131]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Nc3 d5 {Nowadays more popular than 7...0-0.} 8. cxd5 exd5 9. Bg2 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations.} c6 10. Ne5 Nfd7 (10... O-O $11) 11. Nxd7 ({Better is} 11. Nxd5 $1 $16 Nxe5 12. Nxe7 Qxe7 13. dxe5) 11... Nxd7 $11 12. O-O O-O 13. Re1 Nf6 14. Qc2 Rc8 15. Rad1 {[#]} h6 $146 ({Predecessor:} 15... Bb4 16. Ne4 Be7 17. Ng5 h6 18. Nf3 c5 19. Qb2 Ne4 20. Bf4 c4 21. bxc4 Rxc4 {½-½ (46) Sangadzhiev,G (2159)-Shevchenko,I (2105) Elista 2008}) 16. Bf4 Bd6 17. Be5 Re8 18. Qf5 Bb4 19. Bxf6 Qxf6 20. Qxf6 gxf6 21. Rc1 Kg7 22. e3 Bd3 23. Bf1 Bf5 24. Red1 (24. Re2 $11) 24... Ba3 $17 25. Ba6 (25. Rb1 $142) 25... Rb8 26. Ne2 (26. Bf1 $17) 26... Bxc1 $19 27. Rxc1 Bd7 (27... b5 $1 $19 {is more deadly. Hoping for ...Rb6.} 28. Rxc6 Re6 29. Rxe6 fxe6) 28. Bd3 Kf8 29. Nf4 Ke7 30. b4 (30. f3 $17) 30... a5 31. bxa5 b5 32. e4 dxe4 33. Bxe4 {[#]} Kd6 $1 34. Bf3 Ra8 35. Nh5 f5 36. Nf6 {[#]} Rec8 $1 {Threatens to win with ...Be6.} 37. a3 $2 (37. Nxd7 Kxd7 38. Bd1) 37... Be6 38. h3 Rxa5 {Black is clearly winning.} 39. Rc3 Bc4 40. Bd1 Ke6 41. Nh5 Kd5 42. Bc2 Kxd4 43. Rf3 Rca8 44. Ng7 Rxa3 45. Nxf5+ Kc5 46. Ne3 Bd5 47. Rf5 Ra1+ 48. Bd1 {[#]} Rxd1+ $1 {[%mdl 64] Clearance.  Weighted Error Value: White=0.57/Black=0.12} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.29"]
[Round "5.9"]
[White "Wu, Rochelle"]
[Black "Johnson, Donald"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2126"]
[BlackElo "1881"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,-1,5,2,0,-2,6,0,7,-34,-20,-27,-8,-76,-18,-33,28,18,49,40,61,70,78,62,81,47,133,12,27,12,22,22,14,23,15,-54,-36,-43,9,12,15,22,44,0,0,-196,-174,-191,-175,-168,-166,-400,-412,-1278,-1276,-1259,-1183,-1115,-956,-895,-888,-770,-812]} 1. d4 Nf6 2. Bg5 e6 3. Nd2 c5 4. e3 d5 5. c3 h6 6. Bh4 {D00: 1 d4 d5: Unusual lines.} Nbd7 7. Bd3 e5 {[#]} 8. dxc5 $146 {The position is equal.} ({Predecessor:} 8. Ne2 Be7 9. O-O O-O 10. Bg3 exd4 11. exd4 Re8 12. dxc5 Nxc5 13. Bb5 Bd7 14. Bxd7 Qxd7 {0-1 (47) Vitiugov,N (2722)-Svidler,P (2765) St Petersburg 2017}) 8... Nxc5 9. Bc2 Be6 10. Ngf3 Bd6 11. h3 (11. O-O $11) 11... O-O (11... g5 $17 12. Bg3 Qc7) 12. O-O $11 e4 ({Better is} 12... g5 $15 13. Bg3 Qc7) 13. Nd4 g5 14. Bg3 Bxg3 15. fxg3 g4 {[#]} 16. h4 Qe7 17. Qe2 Ncd7 (17... Kh7 $14) 18. N2b3 (18. c4 $16) 18... Qd6 19. Rf4 Kh8 20. Raf1 Nh5 {[%mdl 64] Double Attack} 21. Nxe6 Qxe6 22. Rxg4 (22. Nd4 $1 $11 Nxf4 23. Rxf4) 22... Ndf6 {[%cal Bd7f6,Bf6g4,Bg4e3][%mdl 32]} 23. Rgf4 Nxf4 ({Black should try} 23... Nxg3 $15 24. Qf2 Nfh5) 24. Rxf4 Rg8 25. Nd4 Qe5 26. g4 Rg6 $1 {Threatens to win with ...Rag8.} 27. Nf5 $2 {[#]} (27. h5 $1 $11 Rg5 28. Bd1) 27... Nxg4 $1 $19 {[%mdl 512]} 28. Bd1 {[#]} Rag8 $1 {Strongly threatening ...Nxe3!} 29. Qf1 {[#]} Qxf5 {[%mdl 576] Remove Defender, Decoy} 30. Rxf5 (30. Bxg4 Qe5 31. Bh3) 30... Nxe3 {[%mdl 64] Double Attack, Discovered Attack} 31. Qe1 (31. Qf4 {leads to mate.} Rxg2+ 32. Kh1 Rg1+ 33. Kh2 R8g2+ 34. Kh3 Rh1+ 35. Qh2 Rhxh2#) (31. g4 $142 Nxf1 32. Kxf1) 31... Rxg2+ {[%mdl 64] Double Attack. Black is clearly winning.} ({Not} 31... Nxf5 32. g4 $17) 32. Kh1 Nxf5 33. c4 Rg1+ 34. Qxg1 Rxg1+ 35. Kxg1 d4 {Weighted Error Value: White=0.54/Black=0.24} 0-1

[Event "Charlotte Spring Classic 2021"]
[Site "Charlotte"]
[Date "2021.03.28"]
[Round "5.10"]
[White "Brady, Tyson"]
[Black "Singh, Hersh"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1766"]
[BlackElo "2131"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2021.03.22"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,57,41,24,20,29,31,35,35,28,31,33,76,28,45,18,45,40,42,26,39,36,73,15,29,25,46,41,63,0,143,134,406,398,395,390,596,572,589,570,877,862,5190,5174,4978,2072,1374,819]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Ba4 d6 7. h3 Nge7 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} 8. d4 exd4 9. cxd4 b5 {White is slightly better.} 10. Bc2 O-O 11. Nc3 h6 12. d5 Na5 13. Nd4 {[#]} c5 $146 ({Predecessor:} 13... Bb7 14. Rb1 c6 15. dxc6 Nexc6 16. Nxc6 Bxc6 17. Bf4 Nc4 18. Bb3 Re8 19. Bxc4 bxc4 {0-1 (38) Polzin,R (2416)-Rasmussen,A (2498) Berlin 2015}) 14. dxc6 Nexc6 15. Nxc6 Nxc6 16. Be3 $36 {[%mdl 2048] White has the initiative.} Bb7 17. Nd5 (17. Bb3 $16) 17... Ne5 $11 18. Bb3 Rc8 19. Rc1 Kh7 20. f4 (20. Qd2 $14) 20... Nc6 (20... Rxc1 $11 {keeps the balance.} 21. Qxc1 (21. Bxc1 Nd7 $11) 21... Nd3) 21. f5 $16 {Hoping for f6.} Be5 {[%mdl 8192] A mistake that costs the game.} (21... Ne5 $16 {was worth a try.} 22. Rxc8 Qxc8) 22. f6 $18 Re8 23. Qg4 {White threatens Qh4! and mate.} Bd4 {[#]} (23... Nd4 $142 24. Rcd1 Bxd5 25. Bxd5 Ne6 26. Bxh6 Bxf6) 24. Rxc6 $1 {[%mdl 512] White is clearly winning.} Bxe3+ 25. Nxe3 Bxc6 26. Bxf7 {[%mdl 64] Double Attack} Bxe4 27. Bxe8 Qxe8 28. f7 Qf8 {[#]} 29. Qxc8 $3 {[%mdl 576] Promotion.  Weighted Error Value: White=0.13/Black=0.52} 1-0

