[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "1.1"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Jacobson, Brandon"]
[Result "0-1"]
[ECO "B69"]
[WhiteElo "2378"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,78,41,52,27,37,43,34,25,45,15,52,-9,7,-16,0,0,13,-31,-18,-34,-38,-106,-100,-113,-111,-144,-145,-134,-129,-118,-107,-112,-107,-138,-38,-35,-35,-52,-53,-86,-91,-98,-95,-101,-93,-142,-109,-97,-81,-81,-83,-137,-124,-328,-334]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 Qb6 13. Kb1 O-O-O 14. Bd3 {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} Kb8 15. Ne2 Bc8 16. Nf4 {White is slightly better.} Ne5 17. Be2 Nc6 {[%cal Be5c6,Bc6b4,Bb4d3][%mdl 32] [#]} 18. Rhe1 $146 (18. c3 $14) ({Predecessor:} 18. fxe6 fxe6 19. c3 b4 20. Ka1 Bf8 21. a3 d5 22. exd5 bxa3 23. bxa3 Qa5 {½-½ (23) Lukyanenko,V (2168)-Tyutyunnik,R (2234) ICCF email 2017}) 18... d5 $1 $11 {[%cal Rd5e4]} 19. exd5 {[%cal Rf5e6]} e5 20. Bd3 Nb4 21. a3 Nxd3 22. Qxd3 Bb7 23. Qb3 (23. Qe2 $15) 23... Qc5 $1 $17 24. d6 Rxd6 (24... Bxd6 25. Nd5 $11) 25. Nd3 {[#]} Qc4 $1 26. Qxc4 bxc4 27. Nf2 Rxd1+ 28. Nxd1 Rg8 29. Nh4 Bxg2 ({Black should try} 29... Rg4 $17 30. g3 Rd4) 30. Rg1 $15 Rg4 31. Rxg2 Rxh4 {[%mdl 4096] Endgame KRB-KRN} 32. Nc3 Kc7 33. Rg7 Kd7 (33... Rxh2 $6 34. Rxf7 Rh1+ 35. Ka2 $11) 34. Nd5 Kd6 ({Weaker is} 34... Rxh2 35. Rxf7 Kd8 36. Rg7 $16 (36. Nxe7 Ke8 $16) (36. Rxe7 Rd2 $11) (36. Nxf6 Rf2 $14)) 35. Nc3 Rxh2 36. Rxf7 Rh4 37. Kc1 h5 38. Rh7 {[#]} (38. Nd1 $142) 38... e4 $1 $17 39. Kd2 $2 (39. b4 $17) 39... Bd8 {Weighted Error Value: White=0.30/Black=0.11} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "1.2"]
[White "Sheng, Joshua"]
[Black "Gauri, Shankar"]
[Result "0-1"]
[ECO "C48"]
[WhiteElo "2474"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,17,18,-1,9,13,25,0,0,-39,56,52,54,47,55,32,25,8,13,0,5,7,14,-41,2,-47,-39,-50,-15,-47,-12,-94,-54,-56,-75,-73,-24,-63,-50,-103,-59,-76,-42,-57,-49,-88,73,-99,-102,-178,-158,-156,-42,-57,0,-410,-115,-885,-876,-1578,-1481,-1420,-1022,-1020,-1017,-1018,-997,-954,-793,-1160,-1160,-1060,-1141,-1106,-1105,-2669,-2766]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 5. d3 O-O 6. a3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} Re8 7. Bc4 Bc5 {[#]} 8. Ng5 $146 {White has an edge.} ({Predecessor:} 8. Bg5 h6 9. Bh4 Be7 10. Bxf6 Bxf6 11. Nd5 d6 12. O-O g6 13. Nxf6+ Qxf6 14. Qd2 Bg4 15. Ne1 Qg5 16. f4 exf4 17. Qxf4 Qxf4 18. Rxf4 Be6 19. Bxe6 {½-½ (20) Godena,M (2549)-Ortega,L (2480) Siena 2010}) 8... Rf8 $1 9. f4 h6 (9... exf4 $1 $15 10. Bxf4 h6) 10. Nxf7 $14 Rxf7 11. Bxf7+ Kxf7 12. fxe5 Nh7 $1 13. Qh5+ Kg8 14. Rf1 d6 15. exd6 cxd6 16. Qf7+ Kh8 {[%mdl 1024] Black has compensation.} 17. Bf4 Nd4 18. Rc1 Be6 19. Qg6 Rc8 20. Ne2 (20. Na4 $11 {remains equal.}) 20... Qe7 21. Nxd4 Bxd4 22. c3 Bb6 (22... Bf6 $5 {[%cal Rc8c5]} 23. Kd2 Ng5 $15) 23. Kd2 Qd7 24. d4 (24. Be3 $15) 24... Nf8 $36 {[%mdl 2048] White is under pressure.} 25. Qg3 Qb5 26. Bxd6 Nd7 {Threatens to win with ...Bxd4!} 27. b4 Nf6 $2 {[#]} (27... Bd8 $17) 28. Rfe1 $2 (28. Rxf6 $1 $16 {[%mdl 512]} gxf6 29. d5) 28... Qc4 $17 29. Bc5 (29. d5 $17) 29... Bc7 $19 30. Qf3 Re8 (30... Nd7 $17 {...b6 is the strong threat.} 31. g3 Qa2+ 32. Rc2 Qxa3) 31. e5 $15 Nd5 ({Better is} 31... Nd7 $15 32. Qd3 (32. Bxa7 $2 Bd8 $19) 32... Qa2+ 33. Qc2 Qc4) 32. Rf1 $2 {[%mdl 8192] [#]} (32. Qd3 $11 {and White has nothing to worry.} Qxd3+ 33. Kxd3) 32... b6 $2 (32... Bd8 $1 $19 {[%cal Rd8g5] has better winning chances. Strongly threatening ...Bg5+.} 33. Ke1 Bg5) 33. Bf8 $2 {[%mdl 8192] Now White is beyond hope.} (33. Qd3 $17 Qxd3+ 34. Kxd3 bxc5 35. bxc5) 33... Bd8 $19 {Black is clearly winning.} 34. Qg3 Bg5+ {[%mdl 64] Skewer} 35. Ke1 {[#]} Qxf1+ $1 {[%mdl 576] Remove Defender} 36. Kxf1 Rxf8+ 37. Ke2 Bxc1 38. c4 Bf4 39. Qb3 Ne3 {[%mdl 64] Discovered Attack} 40. d5 Bg4+ 41. Kd3 Nxg2 42. Qb2 Ne1+ {Weighted Error Value: White=0.88/Black=0.50} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "1.3"]
[White "Hong, Andrew"]
[Black "Mishra, Abhimanyu"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "2449"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,138,29,35,18,15,8,21,4,8,-13,-8,-45,0,-4,0,0,0,-12,-3,-61,-85,-108,-56,-104,-107,-109,-107,-110,-120,-110,-102,-99,-111,-111,-91,-117,-106,-102,-101,-115,-34,-34,-36,-106,-115,-105,-70,-129,-32,-66,-15,-166,-159,-162,-168,-167,-160,-161,-151,-160,-163,-179,-165,-168,-161,-307,-315,-489,-382,-343,-199,-269,-241,-237,-169,-276,-266,-260,-270,-279,-285,-279,-283,-281,-275,-535,-527,-777,-525,-527,-516,-481,-491,-498,-471,-483,-495,-502,-489,-573,-570,-7351,-10916,-29972,-29972,-29972,-29976,-29976,-29977,-29977,-29977,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985,-29985,-29986,-29995,-29995]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. a4 Rb8 9. d4 Bb6 10. Be3 {10.a5 gains popularity. C78: Ruy Lopez: Archangelsk and Möller Defences.} O-O 11. Nbd2 Bg4 {[#]} 12. h3 $146 {The position is equal.} ({Predecessor:} 12. Qc2 Re8 13. axb5 axb5 14. Rfe1 Bh5 15. dxe5 dxe5 16. h3 Bxe3 17. Rxe3 Ra8 18. Rd1 {0-1 (45) Polgar,J (2708)-Ponomariov,R (2705) Vitoria Gasteiz 2007}) 12... Bh5 13. g4 Bg6 14. Bg5 h6 15. Bh4 exd4 16. Bd5 Ne7 17. Bxf6 gxf6 18. cxd4 (18. a5 $1 $11 c6 19. axb6 dxc3 20. Bb3 (20. bxc3 cxd5 21. exd5 Qxb6 $15) 20... cxd2 21. Qxd2) 18... Nxd5 $15 19. exd5 bxa4 (19... f5 $1 $17 20. gxf5 Bxf5) 20. Qxa4 f5 $1 21. gxf5 Bxf5 22. Kh2 Qf6 23. Rg1+ Kh7 24. Rae1 Rg8 25. Rg3 a5 26. b3 Bg6 27. Qc4 Qf4 28. Re3 Bf5 (28... h5 $17 29. h4 Bf5) 29. Re7 Rg7 {Hoping for ...Rbg8.} 30. Qc3 (30. Qe2 $1 $15) 30... Rbg8 $36 {[%cal Rg7g3][%mdl 2048] Black is really pushing.} 31. Nf1 Bg6 32. Qd2 (32. N1d2 $15) 32... Qf6 ({Better is} 32... Qxd2 $17 33. N1xd2 f5 34. Rxg7+ Rxg7) 33. Re3 Qf5 ({Black should play} 33... Ra8 $15) 34. Rg4 $2 {Now White is beyond hope.} (34. Re7 $11 {and White stays safe.}) 34... Bh5 $1 $19 {[%cal Rh5g4]} 35. Rxg7+ Rxg7 36. Qd3 Qxd3 37. Rxd3 f5 38. Ng3 Bg6 {aiming for ...f4.} 39. Ne2 {[#]} f4 $1 {[%mdl 512]} 40. Rc3 (40. Nxf4 Bxd3) 40... Rf7 $1 41. Nd2 {[#]} (41. Nh4 $142) 41... a4 $1 {[%mdl 512]} 42. b4 (42. bxa4 $142 Ba5 43. Nb3 Bxc3 44. Nxc3) 42... Bh5 43. Nf3 Rf5 (43... Re7 $142 44. Nxf4 Bxf3 45. Rxf3 Rf7) 44. Nh4 (44. Ra3 {keeps fighting.}) 44... Rf8 ({Resist} 44... Rxd5 45. Nxf4 Rb5 46. Nd3 $19) 45. f3 Be8 {Threatens to win with ...Bb5.} 46. Ng2 (46. Ra3 {was the only defense.}) 46... Bb5 47. Ngxf4 {[#]} Re8 $1 48. Rc2 a3 49. Nc3 Bc4 50. Ne6 Ra8 {And now ...a2 would win.} 51. Rg2 $2 (51. Kg3) 51... a2 52. Rg7+ Kh8 53. Nxa2 {intending Nc3.} Rxa2+ 54. Kg3 Bxd5 55. Rg6 Bxe6 56. Rxh6+ Kg8 57. Rxe6 Bxd4 {[%mdl 4096] Endgame KRB-KR} 58. Re7 c5 59. bxc5 dxc5 60. f4 c4 {Black mates.} 61. Rc7 {Cut Off at move 61} c3 62. Kf3 Rd2 63. Ke4 c2 64. f5 Bb2 65. Rc8+ Kf7 66. Rc7+ Ke8 67. f6 c1=Q 68. f7+ Kf8 69. Re7 Kxe7 {Weighted Error Value: White=0.55/Black=0.18} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "1.4"]
[White "Dragun, Kamil"]
[Black "Balakrishnan, Praveen"]
[Result "1/2-1/2"]
[ECO "E49"]
[WhiteElo "2565"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,-4,22,18,19,14,19,14,45,25,41,9,32,23,20,16,45,39,33,47,41,23,62,58,100,104,103,110,117,73,237,237,212,217,202,200,196,185,193,187,197,178,189,167,174,168,186,179,175,177,166,150,147,154,150,156,204,81,74,60,57,58,68,60,49,23,92,53,47,23,33,0,10,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 b6 {10...Nc6 is becoming the main line.} 11. e4 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3.} Ba6 12. Bg5 Bxd3 13. Qxd3 Nbd7 14. O-O {[#]} Rfc8 $146 ({Predecessor:} 14... Qc6 15. Ng3 h6 16. Bd2 Rad8 17. Qe2 Kh8 18. e5 Ng8 19. a4 Qd5 20. Be3 cxd4 21. cxd4 Ne7 {½-½ (21) Damljanovic,B (2400)-Lukacs,P (2470) Belgrade 1984}) 15. e5 Ne8 16. Rac1 Qb7 17. Rcd1 cxd4 18. cxd4 Qd5 19. Nf4 Qc4 20. Qg3 Qc3 21. Rd3 Qb2 22. Nh5 {And now Nxg7! would win.} Nf8 {[#]} 23. Nf6+ $1 Kh8 24. Ne4 Rc4 $2 (24... Qe2 $16 {might work better.} 25. Re3 Qh5) 25. Qf3 $18 Rc7 26. Nd6 Rb8 27. Nxf7+ Kg8 28. Nd6 h6 29. Bd2 Nxd6 30. exd6 Rf7 31. Qg3 Kh7 32. d5 exd5 33. Rxd5 Qc2 34. Rc1 Qe4 35. Qd3 Qxd3 36. Rxd3 Rd8 37. g3 Rf6 {[#]} 38. Bf4 (38. Rc6 $1 $18 {is the precise move to win.}) 38... Ng6 $16 39. d7 Nxf4 40. gxf4 Rxf4 $14 {[%mdl 4096] Endgame KRR-KRR} 41. Rc8 Rff8 42. Rdc3 Kg6 (42... b5 $11 {keeps the balance.}) 43. Kg2 b5 44. Rg3+ Kh7 45. Rgc3 a5 46. Rxd8 {White really could win this.  Weighted Error Value: White=0.14/Black=0.16} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "1.5"]
[White "Ringoir, Tanguy"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[WhiteElo "2484"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,33,27]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 Nc6 6. e3 a6 7. Bd3 Bg4 8. Nge2 e6 9. O-O Be7 10. Rc1 {[#]} {Predecessor:} O-O $146 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 11. Na4 Rc8 12. Nc5 Nb4 13. f3 Bh5 14. Bb1 b6 15. Na4 b5 16. Nc5 a5 17. a3 Nc6 18. Bd3 {½-½ (39) Howell,D (2663)-Forcen Esteban,D (2556) Linares 2020} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "2.1"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Sheng, Joshua"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2378"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,12,15,25,19,35,26,34,35,30,32,33,-15,-10,-22,-8,-32,0,0,0,0,4,0,0,0,0,12,9,11,12,10,16,18,45,0,22,25,18,14,43,25,25,32,25,0,16,25,28,0,50,22,18,0,-6,-8,-8,-14,-13,-31,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 h6 {B12: Caro-Kann: Advance Variation.} 7. Be2 c5 8. dxc5 Bxc5 {White has an edge.} 9. Nxc5 Nxc5 10. Be3 {[#]} Nd7 $146 ({Predecessor:} 10... Qa5+ 11. c3 Qc7 12. Nd4 a6 13. Nxf5 exf5 14. Qxd5 Ne6 15. O-O-O Rd8 16. Qb3 b5 17. Rxd8+ Qxd8 {1-0 (31) Gonzalez Vidal,Y (2522)-Arcos Garcia,M (1419) Pamplona 2010}) 11. O-O (11. Nd4 $5 {[%cal Rd4f5]} Ne7 12. f4 $11) 11... Ne7 12. c4 O-O 13. Qb3 Qb8 14. Qa3 Re8 15. Qd6 Nc6 16. cxd5 ({Of course not} 16. Qxd7 Rd8 $17) 16... exd5 17. Qxd5 Ndxe5 18. Nxe5 Rxe5 19. Qb3 Be6 20. Qc3 Qe8 21. Rfd1 Bd5 22. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Qe6 23. Bf1 Rc8 24. Rac1 Bxa2 25. b5 Ne7 26. Qa3 {[#] aiming for Rxc8+.} Rxc1 27. Qxc1 Bb3 28. Rd8+ Kh7 29. Re8 {And now Qc3 would win.} Bd5 30. Qc3 {Strongly threatening Bc5.} ({Don't blunder} 30. Bxa7 $2 {[#]} Re1 $1 $19 {[%mdl 512]}) 30... f6 $1 31. Bd3+ Be4 32. Bxe4+ ({Wrong is} 32. Bxa7 $2 Qf5 $19) 32... Rxe4 33. Qd3 f5 34. g3 Qd5 35. Rd8 {The position is equal.} Qxd3 36. Rxd3 a6 37. Rd7 axb5 38. Rxb7 Nd5 {Weighted Error Value: White=0.07/Black=0.09} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "2.2"]
[White "Balakrishnan, Praveen"]
[Black "Ringoir, Tanguy"]
[Result "1-0"]
[ECO "D71"]
[WhiteElo "2485"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,0,0,0,-9,-10,-2,-6,0,0,0,-22,-11,-13,-13,-13,-13,-13,-9,-30,0,0,0,-6,-5,-19,0,0,0,-10,4,-36,-34,-48,54,-34,0,0,0,0,0,0,0,0,0,0,20,18,62,62,63,63,106,93,160,17,22,0,125,12,12,12,29940,29940,5573,5498]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Qa4 Bg7 6. cxd5 {D71: Fianchetto Grünfeld: 3 g3 d5 sidelines and 5 cxd5 (without Nf3).} Nxd5 7. Nf3 Nb6 8. Qc2 {The position is equal.} Bg4 9. e3 O-O 10. Nbd2 Na6 11. O-O c5 {[#]} 12. dxc5 $146 ({Predecessor:} 12. Qe4 Be6 13. Qxb7 Nb4 14. Ng5 Bc8 15. Qe4 cxd4 16. a3 N4d5 17. exd4 e5 18. Ndf3 {0-1 (38) Bruzon Batista,L (2673)-Zherebukh,Y (2633) Saint Louis 2018}) 12... Rc8 13. Nb3 Na4 {[%cal Ra4c5]} 14. Rd1 Bd7 {[%cal Ra6c5]} 15. e4 N6xc5 16. Nxc5 Nxc5 17. e5 Qa5 18. Be3 b6 19. Qc4 Qa4 20. b4 {Qd4 is the strong threat.} Bb5 21. Qh4 Be2 (21... Nd3 $15) 22. Rdc1 ({White should try} 22. Ng5 $1 $14 h6 23. Nxf7 Rxf7 24. Re1 Bxe5 25. Rac1 {[%mdl 64] Pin}) 22... Bxf3 23. Bxf3 Nd3 {[%mdl 64] [#] Double Attack, Discovered Attack} 24. Rxc8 Rxc8 25. Qxe7 Re8 26. Qb7 Nxe5 27. Bd5 Rf8 28. Rc1 Nd3 29. Bb3 $1 {[%cal Rb3a4]} ({But not} 29. Rc8 $2 Qd1+ 30. Kg2 Ne1+ 31. Kh1 Nc2+ 32. Kg2 Nxe3+ 33. fxe3 Qe2+ 34. Kh3 Qf1+ 35. Bg2 Qf5+ 36. g4 Qxc8 $19) 29... Qxb4 30. Rc7 {[%cal Rc7f7]} Ne5 ({Wrong is} 30... Qe1+ $2 {[#]} 31. Kg2 $1 $18 {[%mdl 512]}) 31. Kg2 {[%mdl 1024] Hoping for f4. White has strong compensation.} Kh8 (31... a5 $142) 32. Bf4 (32. Qd5 $16) 32... Nd3 $11 33. Be3 (33. Bg5 $11) 33... Ne5 $16 34. Bd5 ({Better is} 34. Qd5 $16) 34... Ng4 $11 35. Bg5 {aiming for Rc4.} Nf6 $2 {[%mdl 8192]} (35... h6 $11 36. Bc1 (36. Be7 $2 Qd2 $19) 36... Qe1 37. Rxf7 Qxc1 38. Rxf8+ Bxf8) 36. Bxf6 Bxf6 37. Rxf7 {Weighted Error Value: White=0.23/Black=0.36} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "2.3"]
[White "Mishra, Abhimanyu"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2338"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,7,0,15,7,20,-3,33,-43,11,0,14,20,32,0,-7,-36,-28,-63,-36,-52,-55,-60,-21,-79,-50,-44,0,-56,-24,-90,-84,-118,-104,-161,-159,-242,-222,-236,-223,-401,-355,-402,-395,-518,-516,-540,-469,-659,-633,-749,-533,-802,-779,-801,-786,-768,-656,-999,-955,-1062,-1038,-1243,-1250,-1150,-1165,-1003,-969,-2052,-2092,-1790,-1647,-29970,-2089,-2893,-4133,-29983,-29978,-29978,-29979,-29977,-29977]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} 8. Be3 {8.g4 is the modern continuation.} Be6 9. Qf3 b5 {The position is equal.} 10. O-O-O (10. a4 $14) 10... b4 $5 {[%mdl 4] Exploring less charted territory.} (10... O-O $15) 11. Nd5 $11 Nxd5 12. exd5 Bd7 13. g4 O-O 14. Bd3 Bb5 {[#]} 15. Bf5 $146 ({Predecessor:} 15. Kb1 Bxd3 16. cxd3 a5 17. Nd2 Qd7 18. d4 e4 19. Nxe4 Na6 20. g5 Kh8 21. Rhg1 {½-½ (59) Andriasian,Z (2611)-Kokarev,D (2628) Kazan 2014}) 15... a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 16. h4 a4 17. Nd2 Qc7 $36 {[%mdl 2048] With the idea ...Nd7. Black has some pressure.} ({Don't blunder} 17... Bxh4 $2 {[#]} 18. Rxh4 $1 {[%mdl 512]} h6 19. g5 $18) 18. Bg5 (18. h5 $1 $11 {keeps the balance.}) 18... b3 19. axb3 axb3 20. Nxb3 (20. Qxb3 $11 Ra1+ 21. Nb1) 20... Ra4 $15 21. Bxe7 (21. Kd2 $11) 21... Qxe7 $17 {Black keeps a firm grip on the game.} 22. Rhe1 g6 23. Be4 (23. Bd3 $17 {was necessary.} Bxd3 24. Qxd3) 23... Qxh4 $19 24. Qg3 (24. Nd2 $17 {was worth a try.}) 24... Qg5+ 25. Kb1 Nd7 26. Qc3 $2 (26. Bd3 {is a better defense.} Rxg4 27. Qe3 Bxd3 28. Rxd3) 26... Rfa8 27. Bd3 Bxd3 28. cxd3 Qxg4 29. Rc1 Qf3 30. d4 (30. Re4 $142) 30... Qxd5 {[%cal Re5d4]} 31. dxe5 Nxe5 32. f4 Rxf4 33. Rcd1 Qe6 34. Rd4 Rf2 35. Rde4 Rc8 36. Qb4 Rcc2 37. Nd4 Rxb2+ 38. Qxb2 Rxb2+ 39. Kxb2 Qc4 {[#] Hoping for ...Nd3+.} 40. R1e3 Nd3+ 41. Rxd3 Qxd3 {KQ-KRN} 42. Re8+ Kg7 43. Nb3 h5 44. Ka1 h4 {Black mates.} 45. Kb2 h3 46. Re1 h2 {Weighted Error Value: White=0.86/Black=0.22} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "2.4"]
[White "Gauri, Shankar"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2356"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,154,6,16,8,13,2,25,0,7,7,10,12,16,23,14,13,14,17,17,14,25,13,13,13,18,5,60,48,60,33,32,34,46,21,27,25,85,81,107,102,105,106,187,172,172,92,94,95,95,81,172,167,179,144,319,312,311,296,289,94,139,143,160,62,130,130,671,741,707,685,756,679,510,383,631,631,577,389,388,387,388,380,380,380,380,372,393,268,387,377,439,401,431,399,486,409,800,438,425,406,398,387,350,252,269,234,309,298,295,119,269,221,307,315,457,468,432,412,713,346,268,0,715,700,698,682,646,389,674,560,429,401,572,375,319,8,8,7,8,0,0,4,19,0,0,0,0]} 1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. d4 cxd4 6. Qxd4 {B23: Closed Sicilian: Lines without g3.} Nc6 7. Qd3 g6 8. Nf3 {White has an edge.} Bg7 9. O-O Nf6 10. Nd5 Ng4 11. h3 Nge5 12. Nxe5 Nxe5 13. Qb3 e6 14. Bh6 O-O 15. Bxg7 Kxg7 16. Ne3 Qc6 17. Qb4 {[#]} Nd7 $146 ({Better is} 17... Qc5 $11 18. Qxc5 dxc5) ({Predecessor:} 17... Qc5 18. Qxc5 dxc5 19. f4 Nc6 {½-½ (19) Miettinen,K (2419)-Sykora,J (2380) ICCF email 2018}) 18. Rad1 Nf6 19. Rxd6 Qxe4 20. Rd4 Qe5 21. Rfd1 b5 22. a4 bxa4 (22... Rfb8 $11 {remains equal.}) 23. Qxa4 $16 a5 24. b3 $1 h5 25. Qa1 Qb5 (25... Nd5 $16) 26. Rf4 $18 e5 {[#]} 27. Rxf6 (27. Ra4 $1 $18) 27... Kxf6 $16 {[#]} 28. Rd5 $1 {[%csl Gd5][%cal Ra1e5]} Qb8 29. Nc4 Kg7 (29... Re8 $16) 30. Nxe5 $18 (30. Rxe5 f6 $11) 30... f6 31. Rd7+ $40 {[%mdl 128] White wants a kill.} Kg8 $2 (31... Kh6 $16 32. Nf7+ {[%mdl 64] Discovered Attack} Rxf7 33. Rxf7 Qe5) 32. Nxg6 Rf7 33. Ne7+ Kf8 34. Nc6 $2 (34. Qd4 $18) 34... Qe8 35. Rd6 Kg7 36. Qd1 ({White should try} 36. Qc3 $16) 36... Ra6 ({Black should play} 36... a4 $14) 37. Nd4 ({Avoid the trap} 37. Qxh5 $2 Rxc6 38. Qg4+ Kf8 $19) 37... Rfa7 $2 {[%mdl 8192]} (37... Rxd6 $16 38. Nf5+ {[%mdl 64] Double Attack, Discovered Attack} Kg8 39. Qxd6 (39. Nxd6 Rd7 $17) 39... Qe1+ 40. Kh2 Qxf2 41. Nh6+ {[%mdl 64] Double Attack} Kg7 42. Nxf7 Kxf7) 38. Nf5+ Kh7 39. Rd8 Qf7 40. Qd2 {[%csl Gf5][%cal Rd2h6]} Qg6 41. Nh4 Qe4 $2 (41... Qg5) 42. Rd4 Qe6 43. Qd3+ f5 44. Nxf5 {aiming for Nh4+.} Qg6 45. g4 Rf7 46. Kf1 Raf6 47. Rd8 Re6 ({Much weaker is} 47... hxg4 48. hxg4 Rxf5 49. gxf5 $18) 48. Qd4 {[%csl Gd4][%cal Rd8h8]} Ref6 (48... Qf6 {was necessary.} 49. Qd3 Qg6) 49. f3 Qg5 50. Kf2 Qg6 51. Qd3 Rc6 52. Rd5 Rfc7 (52... Kh8 $142 53. Rd8+ Kh7) 53. Rd7+ Rxd7 54. Qxd7+ {[%mdl 4096] Endgame KQR-KQN} Kh8 55. Qd8+ Kh7 56. Qd3 {Hoping for gxh5.} Rc7 57. c4 hxg4 58. hxg4 Qf6 59. Ne3+ (59. f4 $18 {is more deadly.}) 59... Kg7 (59... Kh8 $16 {keeps fighting.} 60. Kg3 Rh7) 60. Qd2 Rb7 61. Nf5+ {Cut Off at move 61} Kh7 (61... Kh8 {was worth a try.} 62. Qxa5 Rxb3 63. Qa8+ Kh7) 62. Qxa5 Rxb3 63. Qc7+ Kh8 (63... Kg8 $142 64. c5 Rb1 65. Qc8+ Kh7 66. Qd7+ Kh8 67. Qe8+ Kh7) 64. Qc8+ (64. Kg3 $142 Rd3 65. c5) 64... Kh7 65. Qc7+ $2 (65. Qd7+ Kh8 66. Qe8+ Kh7 67. Qe4) 65... Kh8 $1 66. Kg3 Rb1 67. c5 Rg1+ 68. Kf2 Rc1 $2 (68... Rd1 69. Kg3 Rg1+ 70. Kf2 Rd1) 69. Qc8+ Kh7 70. Qd7+ Kh8 (70... Kg8 $142 71. Qd5+ Kh7) 71. Qe8+ Kh7 72. Qe3 $2 ({White must play} 72. Kg3 $18) 72... Rc3 $1 $11 {[%cal Rc3e3] The position is equal.} 73. Qd2 {Qd7+ is the strong threat.} Rxc5 74. Qd7+ Kg6 $1 {( -> ...Rc2+)} 75. Qe8+ Qf7 $1 {[%cal Rf7e8]} 76. Qxf7+ Kxf7 77. f4 Rxf5 {White really could win this.  Weighted Error Value: White=0.33/Black=0.48} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.26"]
[Round "2.5"]
[White "Jacobson, Brandon"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2487"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,20,14,15,24,24,16,20,36,18,8,12,20,0,22,0,7,0,0,0,0,-1,0,0,10,-11,-8,-10,7,0,4,0,7,0,0,0,0,0,0,0,0,0,0,-27,-5,-6,0,-16,0,0,0,0,193,200,175,192,204,203,379,390,691,677]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Nf3 {B12: Caro-Kann: Advance Variation.} Ne7 7. Bd3 Ng6 8. O-O {The position is equal.} a6 9. Re1 Nc6 10. b4 Ba7 11. Bb2 {[#]} Bd7 $146 ({Predecessor:} 11... O-O 12. Nbd2 Qb6 13. Rf1 Nf4 14. Nb3 Nxd3 15. cxd3 Bd7 16. Nbd4 Ne7 17. Qd2 Rac8 {0-1 (48) Schitco,I (2467)-Grandelius,N (2662) chess.com INT 2020}) 12. Nbd2 Nf4 13. Nb3 Nxd3 14. cxd3 O-O 15. Rc1 Rc8 16. Qd2 h6 17. Nc5 Bxc5 18. Rxc5 b6 19. Rc2 Qc7 20. h4 Qb7 21. h5 Ne7 22. Rec1 Rxc2 23. Rxc2 Ba4 24. Rc1 Rc8 25. Rxc8+ Qxc8 26. Bd4 Qb7 27. g4 Nc6 28. Be3 d4 {[#]} 29. Bxh6 $1 {[%mdl 512]} gxh6 30. Qxh6 Bc2 $2 (30... Bb5 $11) 31. Qg5+ $18 Kf8 {[#]} 32. Ne1 $1 Qc7 33. Nxc2 Nxe5 $2 {[#]} (33... Qxe5 {was called for.} 34. Qh6+ Kg8) 34. Ne1 $1 ({Inferior is} 34. Nxd4 Qd6 $11) 34... Ke8 $2 (34... f5 35. Qf6+ Nf7 36. gxf5 Qe7 37. Qxe6 Qxe6 38. fxe6 Nd8) 35. h6 {Weighted Error Value: White=0.05/Black=0.38} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "3.1"]
[White "Hong, Andrew"]
[Black "Tokhirjonova, Gulrukhbegim"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2449"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,93,28,30,12,14,8,35,41,41,41,41,41,41,43,43,43,43,43,39,32,34,26,22,23,34,34,34,14,34,31,38,32,49,40,37,0,25,18,27,27,30,22,24,22,23,21,29,20,82,64,103,95,172,165,256,267,257,264,342,491,487,477,475,402,447,455,393,340,831,829,1103,554,29982,29983,29983,29984,29984,29985,29979,348,29992,29993,29993,29994]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 dxc4 5. Bg2 a6 6. O-O Nc6 7. Bg5 {E04: Open Catalan: 5 Nf3.} Be7 8. e3 Rb8 {Recently 8...0-0 got a lot of attention.} 9. Qc1 {White is slightly better.} Na5 10. Nbd2 O-O 11. Nxc4 Nxc4 12. Qxc4 Bd7 {[#] With the idea ...Bb5.} 13. Rfc1 $146 ({Predecessor:} 13. Rfd1 Bc6 14. Rac1 h6 15. Bxf6 Bxf6 16. Ne1 Bxg2 17. Nxg2 c6 18. Nf4 Qe7 19. b4 {½-½ (43) Sumets,A (2585)-Souleidis,G (2417) Llucmajor 2019}) 13... Bc6 14. Ne5 Bxg2 15. Kxg2 c6 16. Bxf6 Bxf6 17. Nd3 Re8 18. Rd1 g6 19. Rac1 Bg7 20. b4 h5 21. h4 Bf8 22. a4 Qd5+ 23. f3 Red8 24. Qc3 Bh6 25. Nc5 Re8 26. Rb1 Qd8 27. e4 Bf8 28. Rd2 Qc7 29. e5 Red8 (29... Be7 $11) 30. Ne4 $1 $16 {White stays focused until the end.} Be7 {[#]} 31. g4 $1 hxg4 ({Don't go for} 31... Bxh4 $2 32. g5 $18) (31... Kh7 $16 {was necessary.}) 32. fxg4 $18 f5 (32... Qb6 {was called for.} 33. h5 c5) 33. exf6 Qf4 {[#]} 34. Qf3 $1 {[%cal Rf3f4]} ({Not} 34. fxe7 Qxe4+ 35. Qf3 Qxf3+ 36. Kxf3 Re8 $16) 34... Bd6 35. Rf2 Qxf3+ 36. Rxf3 ({Weaker is} 36. Kxf3 Rd7 $18) 36... Bf8 37. f7+ Kh8 38. Ng5 Rxd4 39. Nxe6 Re4 $2 (39... Rxg4+ 40. Kh3 Re4) 40. Rf6 Rxg4+ 41. Kh3 Rxb4 42. Rxb4 Bxb4 43. Rxg6 {[%cal Rg6h6] KRB-KRN} Kh7 44. Rg7+ Kh8 45. Kg4 $2 (45. Rg5 {mates} Kh7 46. Kg4 Rf8 47. Nxf8+ Bxf8 48. Rg8 b5 49. Rxf8 Kg7 50. Rb8 Kxf7 51. h5) 45... Rd8 $2 (45... Rf8 $18 46. Kh5 Bc3) 46. Rg6 {[%cal Rg6h6]} Kh7 47. Kh5 {Weighted Error Value: White=0.36/Black=0.51} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "3.2"]
[White "Sheng, Joshua"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[ECO "B69"]
[WhiteElo "2474"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,87,50,59,35,35,37,58,58,51,10,35,34,48,30,58,63,62,32,38,43,96,95,126,119,169,61,64,65,77,31,29,36,50,49,49,36,61,0,0,0,0,0,0,0,59,71,152,151,150,149,135,146,138,144,141,56,56,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 gxf6 12. f5 Qb6 13. Qh6 {B69: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7 9 f4 Be7 10 Nf3 b5 11 Bxf6.} O-O-O 14. Qh5 Rdf8 15. Kb1 {White is slightly better.} Kb8 16. Bd3 Ne5 {[#]} 17. Rhe1 $146 ({Predecessor:} 17. Ne2 Rhg8 18. Ng3 Ng4 19. Rd2 Bc6 20. fxe6 fxe6 21. Qxh7 Bd8 22. Re1 Be8 23. Qh3 {0-1 (71) Zhu,J (2459)-Divya,D (2305) chess.com INT 2020}) 17... Qc5 18. Ne2 exf5 19. Nf4 Rc8 20. c3 Bd8 21. Nxe5 dxe5 (21... Qxe5 $14 22. g3 (22. Qxf7 Bc6 $14) 22... fxe4 23. Rxe4 (23. Bxe4 Qxh5 24. Nxh5 Bg4 $15 {[%mdl 64] Double Attack}) 23... Qxh5 24. Nxh5 Rc5) 22. Qxf7 $16 Bc6 23. Ne6 Qa7 24. Nxd8 ({White must play} 24. Qxa7+ $1 $18 Kxa7 25. exf5) 24... Rhxd8 $14 25. Qxf6 fxe4 26. Qxe5+ (26. Bc2 {feels hotter.} Rxd1+ 27. Rxd1 Qc5 28. a3 e3 29. Qg7) 26... Qc7 27. Qxc7+ Kxc7 28. Bc2 Rxd1+ 29. Bxd1 {[%mdl 4096] Endgame KRB-KRB} Rf8 30. Kc1 ({White should try} 30. Bc2 $1 $14) 30... Rf2 $11 31. Re2 Rf1 32. Kd2 {And now Bc2 would win.} Kd6 33. Bb3 Bd5 (33... h5 $11) 34. Re1 $14 Rf8 (34... Rf6 $142) 35. Bxd5 $16 Kxd5 {KR-KR} 36. Ke3 Ke5 {[#]} 37. Rd1 $1 Rg8 38. g3 h5 {[#]} 39. Rd4 (39. Rd7 $1 $16) 39... Rg4 $14 40. a4 (40. Kf2 $14) 40... h4 $11 {The position is equal.} 41. axb5 hxg3 42. hxg3 ({But not} 42. bxa6 $2 g2 $19) 42... Rxg3+ 43. Kf2 Rf3+ 44. Ke2 {Weighted Error Value: White=0.15/Black=0.17} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "3.3"]
[White "Dragun, Kamil"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "E51"]
[WhiteElo "2565"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,99,-1,-3,15,1,16,0,0,-12,-14,0,0,0,6,0,-15,-13,-17,-10,0,-8,-14,-7,-4,-27,0,0,0,0,13,0,5,0,4,0,6,-24,45,42,107,39,54,53,55,61,47,41,106,112,81,100,135,140,146,135,165,160,164,155,223,199,264,243,350,293,341,324,350,287,286,277,270,287,319,303,295,297,594,586,590,580,728,727,3725,898,831,814,727,714,1028,995]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 Re8 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} 7. Rc1 a6 8. a3 Bf8 {[#] The position is equal.} 9. Bd3 $146 ({Predecessor:} 9. Qc2 Nbd7 10. cxd5 exd5 11. Bd3 Bd6 12. O-O Nf8 13. h3 c6 14. Rfe1 Ng6 15. e4 dxe4 16. Nxe4 Nxe4 17. Bxe4 {0-1 (34) Cvitan,E (2175)-Worek,J (2314) Austria 2019}) 9... dxc4 10. Bxc4 c5 11. dxc5 Bxc5 12. O-O b5 13. Ba2 Nbd7 14. e4 Bb7 15. Qe2 Qb8 16. b4 Bd6 17. h3 Ne5 18. Nd4 {With the idea f4.} Ng6 19. Nb3 Rc8 20. Na5 Be5 21. Bb1 Bd4 22. Kh1 Qa7 23. a4 bxa4 (23... Bxc3 $11 24. Bxc3 bxa4) 24. Nxa4 $14 e5 {[#]} ({Black should try} 24... Nd7 $14) 25. Nc5 (25. Bd3 $1 $16) 25... Bc6 26. Bd3 {[%cal Rd3a6]} Bb5 27. Bxb5 axb5 28. Nab3 Qa2 {White stays focused until the end.} ({Better is} 28... Rd8 $14) 29. Nxd4 $16 exd4 30. Rfd1 Rab8 31. Qd3 Rd8 32. f4 Ne8 33. Qg3 Nf8 34. f5 Rbc8 (34... Ra8 $16 {keeps fighting.} 35. Bg5 f6) 35. Bf4 Kh8 (35... Ra8 {was worth a try.} 36. Qd3 Qf2) 36. Qd3 $18 Nf6 (36... Kg8 $142 37. Qxb5 Qf2) 37. Qxb5 Nh5 38. Bh2 Qf2 39. Qd3 Nf4 40. Bxf4 Qxf4 41. Rc4 h5 42. Rxd4 Rxd4 43. Qxd4 Nh7 $2 {[#]} (43... Rb8 44. Nd3 Qc7) 44. Qd7 $1 {White is clearly winning.} Rf8 45. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Ng5 46. Qd6 Nxh3 47. Qxf4 (47. Qxf8+ $142 Kh7 48. Rd8 Nf2+ 49. Kg1 Nh3+ 50. gxh3 Qe3+ 51. Kf1 Qc1+ 52. Ke2) 47... Nxf4 48. b6 Rb8 49. b7 Ne2 50. Rd7 {Weighted Error Value: White=0.09/Black=0.31} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "3.4"]
[White "Ringoir, Tanguy"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "D71"]
[WhiteElo "2484"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,37,15,22,25,24,6,6,24,14,20,16,49,29,16,11,22,20,25,-10,-6,-15,-22,-29]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. O-O Nc6 8. e3 e5 9. Nc3 exd4 {D71: Fianchetto Grünfeld: 3 g3 d5 sidelines and 5 cxd5 (without Nf3).} 10. exd4 O-O 11. Bg5 f6 12. Qb3+ Kh8 13. Bf4 {[#]} Na5 $146 ({Predecessor:} 13... Ne7 14. Ne1 c6 15. Nc2 Bf5 16. Rfe1 g5 17. Bd2 Ned5 18. Ne3 Nxe3 19. Bxe3 Bg6 {1-0 (41) Miton,K (2596)-Ftacnik,L (2559) Prievidza 2009}) 14. Qd1 (14. Qb4 {with more complications.} Nc6 15. Qc5 Bg4 16. d5 Nd7 17. Qe3) 14... Be6 15. Re1 Bf7 16. b3 Nc6 17. Ne4 Nd5 18. Bd2 b6 19. a3 {Weighted Error Value: White=0.07/Black=0.05} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "3.5"]
[White "Ostrovskiy, Aleksandr"]
[Black "Balakrishnan, Praveen"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2434"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,118,41,42,41,35,26,32,21,35,29,37,43,28,24,37,35,24,29,39,36,44,31,53,53,53,54,62,52,60,39,77,20,51,68,60,0,0,0,0,0,0,0,0,0,0,0,0,-19,-19,-19,-19,-39,-42,-45,-47,-61,-8,-15,-8,-150,-150,-154,-154,-159,-159,-159,-150,-156,-156,-212,-179,-168,-124,-107,0,-175,0,-216,-166,-253,-258,-233,-170,-681,-455,-673,-649,-685,-678,-649,-638,-1570,-1761,-1377,-960,-722,-608,-6011,-5923,-29977,-29978,-29977,-29980,-29980,-29981,-29980,-29981]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} c5 9. c3 Nc6 10. Na3 {White is slightly better.} h6 11. h3 a6 12. Bd2 Rb8 13. Nc2 Be6 14. Bxe6 fxe6 15. Qe2 {[#]} b5 $146 ({Predecessor:} 15... Qd7 16. b4 cxb4 17. cxb4 b5 18. axb5 axb5 19. d4 Rfc8 20. Rac1 Bf8 21. dxe5 Nxe5 22. Nxe5 dxe5 {½-½ (36) Shaw,S (2315)-Steinkellner,P (2369) ICCF email 2016}) 16. axb5 axb5 17. b4 cxb4 18. Nxb4 Nxb4 19. cxb4 Qd7 20. d4 exd4 $1 21. Nxd4 Rfc8 22. e5 (22. Rec1 $16) 22... Nd5 23. exd6 Bf6 24. Qxe6+ (24. Qd3 $1 $14) 24... Qxe6 $11 25. Nxe6 {d7 is the strong threat.} Bxa1 26. d7 Rc2 {Hoping for ...Bf6.} 27. Rxa1 {aiming for Rd1.} Rxd2 28. d8=Q+ Rxd8 29. Nxd8 Nxb4 {[%mdl 4096] Endgame KRN-KRN} 30. Ra8 Nd3 31. Rb8 Rb2 32. Nc6+ Kh7 33. Nd4 b4 34. Rb7 Nxf2 (34... Kg6 $15) 35. Ne6 Kg6 36. Nf4+ (36. Nc5 $11) 36... Kf5 $17 37. Nd5 {[#]} Nd3 $1 38. Rxg7 b3 39. Rb7 Ke4 40. Nc3+ Kd4 41. Nb5+ (41. Na4 $17 Ra2 42. Rxb3 Rxa4 43. Rb8) 41... Kc4 42. Na3+ Kc3 {Threatens to win with ...Nc5.} 43. Nb5+ {[#]} Kc4 (43... Kd2 $1 $17 {And now ...Rb1+ would win.} 44. Na3 Kc3 45. Nb5+ Kc4 46. Na3+ Kd4) 44. Na3+ $1 $19 {White is now going downhill.} Kd4 45. Nb5+ $1 Kc5 {Strongly threatening ...Rb1+.} 46. Nc3 (46. Na3 $142) 46... Kc4 47. Ne4 Kd4 48. Nd6 $2 (48. Nd2) 48... Rb1+ 49. Kh2 {If only White now had time for Nb5+....} b2 50. Nb5+ Kc5 51. Nc3 Ra1 52. Rd7 Kc4 53. Ne4 Rd1 54. Rc7+ Kb3 55. Rb7+ Nb4 56. Nc5+ Kc4 {Black mates.} 57. Na6 b1=Q 58. Rxb4+ Qxb4 59. Nxb4 Kxb4 {Weighted Error Value: White=0.61/Black=0.26} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "4.1"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Dragun, Kamil"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2378"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,118,40,41,43,51,6,9,14,60,50,86,70,63,55,69,0,0,0,139,135,153,112,117,115,104,54,47,0,-3,-16,158,135,136,117,110,89,98,-32,86,87,107,100,102,93,153,83,83,79,66,81,81,38,30,45,24,37,38,47,42,40,80,-7,0,-56,7,0,8,-42,-43,-43,-41,-94,-84,-84,-119,-223,-229,-275,-268,-309,-301,-330,-334,-451,0,-195,0,-499,-434,-630,-568,-2186,-2158,-1966,-2004,-1395,-1466,-29970,-29973,-29970,-29972,-29965,-7134,-29985,-29986,-29986,-29983,-29997,-29997]} 1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. Be3 a6 5. Qd2 Nd7 6. O-O-O b5 7. h4 {B06: Modern Defence.} h5 8. f3 Bb7 9. Nh3 {The position is equal.} Rc8 10. Ng5 Nb6 $5 {[%mdl 4] [#] Leaves trodden paths.} 11. a3 $146 ({Predecessor:} 11. Bd3 b4 12. Ne2 c5 13. dxc5 dxc5 14. Bxc5 Rxc5 15. Bb5+ Nd7 16. Bxd7+ Kf8 17. Nxf7 {1-0 (38) Huang,A (2263)-Delgado Romero,M (2236) Cochabamba 2019}) 11... e6 12. g4 Nf6 $1 13. Qg2 (13. Rg1 $14) 13... Qe7 $11 14. Qg3 d5 (14... hxg4 $11 15. fxg4 c5 16. dxc5 dxc5) 15. e5 $16 Nfd7 16. Bd3 Nc4 17. Bxc4 bxc4 18. Nh3 c5 19. Nf4 {Threatening gxh5.} hxg4 20. fxg4 {[#]} Bxe5 $2 (20... Nxe5 $1 $11 {[%mdl 512]} 21. h5 (21. dxe5 $2 d4 $19 {[%mdl 64] Double Attack}) 21... g5) 21. dxe5 {Hoping for Nh3.} d4 22. Rh2 dxc3 23. Ne2 cxb2+ 24. Kb1 (24. Kxb2 $16 f6 25. exf6 Nxf6 26. h5 gxh5 27. Bg5) 24... Nb6 (24... Qd8 $1 $15 25. Kxb2 Qb6+ 26. Ka1 Bf3 $1 {[%mdl 512]}) 25. Nc3 Bd5 26. Bg5 Qc7 ({Of course not} 26... Qb7 $6 27. h5 $11) 27. h5 gxh5 {[#]} ({Black should try} 27... Kd7) 28. gxh5 (28. Qf4 $142 $1) 28... Kd7 29. Qf4 Kc6 30. h6 Rh7 31. Rhd2 ({Much weaker is} 31. Nxd5 exd5 32. Qf6+ Kb7 $15) 31... f5 32. exf6 Qxf4 33. Bxf4 {Strongly threatening Re2.} Rf8 34. Bg5 Rg8 35. Rg1 Nd7 {[#]} 36. Kxb2 ({Better is} 36. Rdd1 $1 $16) 36... Nxf6 {White should prevent ...Rxh6!} 37. Rf2 ({White should play} 37. Rh2 $11) 37... Nd7 (37... Rb7+ $15 38. Kc1 Nh7 39. Nxd5 exd5) 38. Rff1 $11 Ne5 $36 {[%mdl 2048] Black has the initiative.} 39. Be3 Ng4 $1 {[%cal Rg4e3][%mdl 64] Double Attack} 40. Bd2 Nxh6 41. Nxd5 (41. Rxg8 $15 Nxg8 42. Rf8) 41... Rxg1 $17 42. Rxg1 {aiming for Nf4.} Kxd5 $15 {[%mdl 4096] Endgame KRB-KRN} 43. Rh1 (43. Bxh6 $17 Rxh6 44. Rd1+ Kc6 45. Kc3) 43... Rb7+ $19 44. Kc1 Nf5 45. Rh8 Nd4 46. Rd8+ Ke4 47. Rc8 Kd5 (47... Rd7 $142 {...c3! is the strong threat.} 48. Rxc5 Ne2+ 49. Kd1 c3 {[%mdl 64] Pin} 50. Kxe2 Rxd2+ {[%mdl 64] Double Attack} 51. Ke1 Rxc2) 48. Rd8+ $1 Ke4 $2 (48... Ke5 49. a4 Rh7) 49. Rc8 $1 Rd7 50. Ba5 {[#]} (50. Rxc5 $142 Ne2+ 51. Kd1) 50... c3 $1 {[%mdl 64] White must now prevent ...Ne2+. Decoy} 51. Bxc3 Ne2+ {[%mdl 64] Double Attack} 52. Kb2 Rb7+ 53. Bb4 cxb4 {KRN-KR} 54. Rc6 bxa3+ 55. Kxa3 Nd4 56. Rc8 e5 57. c4 Kd3 {Black mates.} 58. c5 Kc3 59. c6 Rb4 {Black used his chance.  Weighted Error Value: White=0.60/Black=0.25} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "4.2"]
[White "Mishra, Abhimanyu"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2338"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,11,15,14,8,8,8,3,18,15,13,4,15,15,12,4,6,10,6,11,5,4,24,10,10,15,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-5,-5,-4,-6,0,0,0,0,0,-29,-29,-29,-33,-29,-32,-36,-13,-13,-13,-51,-27,-77,-80,-86,-52,-52,-52,-53,-53,-53,-53,-81,-125,-632,-632,-632,-632,-950,-624,-624,-400,-380,0,-1604,-1860,-4912,-1178,-2412,-1522,-5057,-4631,-4622,-4610,-1136,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Nf3 {B12: Caro-Kann: Advance Variation.} Bxc5 7. Bxc5 Nxc5 8. Qd4 Qb6 9. Nbd2 Ne7 10. Nb3 Nxb3 11. axb3 {Strongly threatening Qxb6.} Qxd4 12. Nxd4 Ng6 13. Nf3 f6 14. exf6 gxf6 15. g3 e5 16. Bg2 Be6 17. O-O {[#]} Kf7 $146 ({Predecessor:} 17... a6 18. Ne1 Kf7 19. Nd3 Rhc8 20. f4 exf4 21. c3 fxg3 22. hxg3 Rg8 23. Ra4 Rad8 24. Rd4 Ne7 25. Rdf4 Bf5 26. Rxf5 Nxf5 27. Rxf5 Rxg3 28. Nf4 {½-½ (28) Costa Trillo,V (2325)-Woodard,D (2404) ICCF email 2016}) 18. Ne1 a5 19. Nd3 Rhc8 20. f4 exf4 21. Rf2 fxg3 22. hxg3 Kg7 23. Raf1 Bg8 24. c3 Ra6 25. b4 axb4 26. Nxb4 Rd6 27. Nc2 Rb6 28. Ne3 Ne7 29. Rd2 (29. Re2 {seems wilder.} Rc5 30. Ng4 Rc7 31. Rf4 Ng6 32. Rff2) 29... Ra8 30. Nxd5 Nxd5 31. Bxd5 Bxd5 32. Rxd5 Rxb2 $11 {[%mdl 4096] Endgame Threatens to win with ...Raa2. KRR-KRR} 33. Rf2 Raa2 34. Rxb2 Rxb2 {KR-KR} 35. Rc5 Kg6 36. Kf1 f5 37. Rc7 h6 38. c4 $1 Kh5 39. Rg7 $1 b6 40. Kg1 Rb4 41. Rc7 Kg4 42. Rc6 $2 {[%mdl 8192]} (42. Rg7+ $17 Kf3 43. Rg6) 42... Kxg3 $19 {[%cal Rb4b1]} 43. Rg6+ Kf3 44. Rxh6 f4 45. Rf6 {If White can now play Kh2 this consolidates a bit.} Ke2 46. Re6+ Kf3 $2 (46... Kd3 $19 47. Rf6 Ke4) 47. Rc6 $2 {[%mdl 8192]} (47. Rf6 $11) 47... Rb1+ 48. Kh2 Kf2 49. c5 b5 $1 50. Rb6 f3 51. c6 {[#]} Rb4 $1 {[%cal Rb4h4]} 52. Kh3 {[#]} Ke3 $2 ({Black should try} 52... Kg1 $1 $19 {( -> ...f2)} 53. c7 Rc4 54. Rxb5 f2 55. Rg5+ Kh1) 53. c7 $1 $11 {[%cal Rc7c8]} Rc4 {aiming for ...f2.} (53... f2 $5 54. Re6+ $8 (54. Kg2 {gets mated.} Rg4+ 55. Kh3 Rf4 56. Kg3 f1=Q 57. Re6+ Kd4 58. Rd6+ Ke4 59. Re6+ Kf5 60. Rf6+ Kxf6 61. c8=Q Qf2+ 62. Kh3 Rh4#) 54... Kd4 55. Rd6+ (55. c8=Q {is a self mate.} f1=Q+ 56. Kh4 Kd5+ 57. Re4 Rxe4+ 58. Kh5 Qf7+ 59. Kg5 Qg7+ 60. Kh5 Re5+ 61. Kh4 Qg5+ 62. Kh3 Re3+ 63. Kh2 Qg3+ 64. Kh1 Re1#) 55... Ke5 $11) 54. Rxb5 {Weighted Error Value: White=0.50/Black=0.22} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "4.3"]
[White "Gauri, Shankar"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2356"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,20,56,51,50]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 Be6 {[#] 10...a5 is more fashionable. B36: Sicilian: Maroczy Bind: Gurgenidze System.} {Predecessor:} 11. f3 $146 Qa5 12. Nd5 Qxd2+ 13. Kxd2 Nxd5 14. cxd5 Bd7 15. Rac1 Rfc8 16. Rxc8+ Rxc8 17. Rc1 Rxc1 18. Kxc1 a6 19. Kc2 Kf8 {½-½ (30) Zhao,J (2627)-Ma,Q (2630) China 2019} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "4.4"]
[White "Jacobson, Brandon"]
[Black "Balakrishnan, Praveen"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "2487"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,0,0,0,0,4,0,-13,-13,0,-22,0,0,-13,-72,-53,-76,-68,-71,-51,-65,-58,-45,-35,-54,-29,-30,-38,-43,-38,-58,-42,-37,-37,-50,-65,-89,-106,-160,122,128,156,157,144,146,157,139,125,134,6383,6340,6311,6311,6279,6278,6178,6178,6178,5927,5322,5314,5314,5314,3086,3010,2335,1997,29985,2027]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. g3 dxc4 6. Qa4+ Nbd7 7. Bg2 a6 8. Ne5 Rb8 {has lost popularity (8...c5). E02: Open Catalan: 5 Qa4+.} 9. Qxc4 b5 10. Qb3 {Black must now prevent Nc6.} Nxe5 {The position is equal.} 11. dxe5 Nd7 {[#]} 12. Be3 $146 ({Predecessor:} 12. O-O O-O 13. Rd1 Bb7 14. Bxb7 Rxb7 15. Ne4 Qc8 16. Bf4 Nc5 17. Nxc5 Bxc5 18. Rac1 {½-½ (39) Xu,J (2643)-Vallejo Pons,F (2635) Bled 2002}) 12... Bb7 13. Bxb7 Rxb7 14. O-O-O (14. O-O $11) 14... c5 $17 15. Ne4 O-O 16. Kb1 Qc7 17. f4 c4 18. Qc2 b4 19. Nd6 Bxd6 20. Rxd6 b3 $36 {[%mdl 2048] Black has good play.} 21. axb3 Rxb3 22. Bd4 Rfb8 {...c3 is the strong threat.} 23. Rc1 Qb7 24. Rd1 g6 25. e4 Rc8 {Threatens to win with ...c3.} 26. Ka2 (26. Bc3 $142 Nc5 27. Rd8+ Rxd8 28. Rxd8+ Kg7 29. Rd4) 26... Qb5 $2 (26... Nc5 $1 $17 {[%cal Rc5e4] and life is bright.} 27. Qxc4 Kg7) 27. Bc3 $1 $16 Nc5 28. Rd8+ $1 Rxd8 29. Rxd8+ Kg7 {And now ...Na4 would win.} 30. f5 $1 {[%cal Rf5f6] f6+ would kill now.} h6 {[#] Strongly threatening ...Na4.} 31. Qd2 $1 gxf5 $2 {[%mdl 8192] This costs Black the game.} ({Stronger than} 31... Nxe4 32. f6+ Nxf6 33. exf6+ Kh7 {[#]} 34. Rh8+ $1 {[%mdl 512]} Kxh8 35. Qxh6+ Kg8 36. Qg7#) (31... Kh7 $16 32. fxg6+ fxg6) 32. exf5 $18 {Threatening mate with f6+.} Nd3 33. f6+ Kg6 34. Rg8+ Kf5 35. g4+ Ke4 36. Qe2+ Kd5 37. Qf3+ Kc5 38. Rc8+ Kb6 39. Rb8+ {[%mdl 64] Skewer} Kc7 40. Rxb5 axb5 41. Qxd3 {Weighted Error Value: White=0.10/Black=0.48} (41. Ba5+ $142 Kb8 42. Qc6 Nb4+ 43. Bxb4 Rxb4 44. Qd6+ Ka8 45. Qxb4 Kb7 46. Qxb5+ Kc7 47. Kb1) 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.27"]
[Round "4.5"]
[White "Sheng, Joshua"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2474"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,22,19,9,25,24,64,42,104,61,118,109,114,122,111,103,122,121,123,112,115,126,127,131,129,108,89,79,78,74,88,31,37,6,6,12,8,0,4,5,8,14,0,13]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. g3 Qb6 7. e3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6.} a6 8. Bg2 {[#]} Qc7 $146 ({Predecessor:} 8... Ne5 9. b3 Bb4 10. Bb2 O-O 11. O-O Rd8 12. Na4 Qc7 13. Nc2 Be7 14. Bd4 Re8 {1-0 (48) Suarez Garcia,C (2400)-Silva Rodriguez,J (2210) Linares 2014}) 9. b3 {White is slightly better.} d5 ({Black should try} 9... b6 $14) 10. O-O {[%cal Rc4d5]} Bb4 (10... dxc4 $14 11. Nxc6 (11. bxc4 Na5 $11) 11... bxc6) 11. Bb2 $16 dxc4 12. Nxc6 bxc6 13. Qd4 Bb7 14. Qxc4 Be7 15. Rac1 c5 16. Bxb7 Qxb7 17. Na4 Ne4 18. Qe2 O-O 19. f3 Qb5 20. Rfe1 Nf6 21. Rc4 ({White should play} 21. Bxf6 $16 gxf6 22. Rc4) 21... Nd5 $14 22. Qc2 {[%cal Ra4c5]} Nb4 {The position is equal.} 23. Qc3 {[%csl Gb2][%cal Rc3g7] [#]} f6 $1 24. a3 Nd5 25. Qc2 {[%cal Ra4c5]} Rab8 26. e4 Nb6 27. Nxb6 $1 {Weighted Error Value: White=0.10/Black=0.10} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "5.1"]
[White "Ringoir, Tanguy"]
[Black "Tokhirjonova, Gulrukhbegim"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2484"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "23"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,23,-6,-8,-4,0,0,0,0,0,0,0,-23]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 {The position is equal.} 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5.} a6 9. Be2 Bd6 10. Ne5 c5 11. O-O Bb7 {[#]} 12. b3 $146 {Not much happened in this game.  Weighted Error Value: White=0.00/Black=0.01} ({Predecessor:} 12. f4 Nc6 13. Be1 cxd4 14. Nxc6 Bxc6 15. exd4 b5 16. a3 Qb6 17. Kh1 Rfe8 18. Bh4 {0-1 (31) Suvorov,A (2353)-Navara,D (2697) Chess.com INT 2020}) 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "5.2"]
[White "Dragun, Kamil"]
[Black "Sheng, Joshua"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2565"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,79,7,14,35,14,48,33,34,17,20,14,19,23,27,19,18,21,20,14,27,25,29,14,21,8,15,0,0,14,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,54,41,50,37,50,20,16,17,10,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. Ne5 O-O 7. O-O Ng4 8. cxd5 cxd5 9. Bf4 Nc6 10. Nxc6 bxc6 11. h3 Nf6 12. Nc3 {[#]} Nd7 $146 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} ({Predecessor:} 12... Ba6 13. Be5 Nd7 14. Bxg7 Kxg7 15. Re1 f5 16. f4 e6 17. Rc1 Rb8 18. Na4 Bb5 19. Nc5 Nxc5 20. Rxc5 {½-½ (60) Nemeth,Z (2379)-Yu,M (2419) Budapest 2000}) 13. Na4 Ba6 14. Rc1 Qa5 {White is slightly better.} 15. b3 ({Don't blunder} 15. Rxc6 $2 Bb5 $17) 15... Rfc8 16. Re1 Qb4 17. e3 Bb5 18. Nc3 e6 19. Nxb5 Qxb5 20. Bf1 Qb6 21. Re2 Bf8 22. Rec2 a5 23. h4 Ba3 24. Rb1 c5 25. dxc5 Rxc5 26. Rxc5 Qxc5 27. Qd3 Rc8 28. Rd1 {[%cal Bb1d1,Bd1d2,Bd2e2][%mdl 32]} Nf6 29. Be5 Ne4 30. Bd4 Qc6 31. Bg2 Nc3 32. Rd2 {[#] Threatens to win with Rc2.} Nb5 33. Bf6 Bb4 34. Re2 Bf8 (34... Qd7 $11) 35. e4 $14 dxe4 36. Bxe4 Qc5 37. Qd7 {[#] Strongly threatening Rc2.} (37. Bb7 $5 {[%cal Rb7c8]} Rb8 38. Bg2 $14) 37... Rc7 {The position is equal.} 38. Qd8 Rc8 39. Qd7 {Hoping for Rc2.} ({Of course not} 39. Qxa5 Nd4 $17) 39... Rc7 $1 {[%cal Rc7d7]} 40. Qd8 {Weighted Error Value: White=0.04/Black=0.06} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "5.3"]
[White "Hong, Andrew"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2449"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,74,31,43,22,30,24,34,39,57,47,43,31,42,63,66,66,63,21,23,0,34,9,41,0,0,2,17,16,16,18,12,6,50,45,93,112,104,95,91,46,100,86,95,93,101,89,101,44,868,425,1052,1042,29985,29986,29989,29972,29966,29967,29985,29986,29986,29987,29997,29998,29998,29999,29999]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h5 6. Qd2 {B06: Modern Defence.} Nf6 7. f3 b5 8. O-O-O {White is slightly better.} c6 9. Kb1 Qc7 10. e5 dxe5 11. dxe5 Nd5 $1 12. f4 {[#]} Be6 $146 ({Predecessor:} 12... O-O 13. Nxd5 cxd5 14. Qxd5 Nc6 15. Qc5 Be6 16. Nf3 Qa5 17. Qxc6 Qxa2+ 18. Kc1 Rfc8 {0-1 (58) Tukhaev,A (2558)-Mchedlishvili,M (2602) Kocaeli 2017}) 13. Ne4 Nd7 14. Nf3 O-O-O {[%cal Rd7e5]} 15. Bd3 {Black must now prevent Neg5.} f6 16. Nc5 (16. c4 {looks sharper.} Nxe3 17. Qxe3 fxe5 18. Neg5 Bg4 19. cxb5 exf4 20. Qxe7 Ne5 21. Qxc7+ Kxc7 22. Nxe5 Bxe5 23. Nf7) 16... Nxc5 17. Bxc5 fxe5 18. Nxe5 Nxf4 19. Qxf4 Bxe5 20. Qe3 {Threatens to win with Bb6.} Rd5 21. Bxg6 Bg4 22. Rxd5 cxd5 23. Rf1 Bf6 24. Bf5+ Bxf5 (24... Kb7 $14) 25. Rxf5 $16 Qd7 26. Qf3 {[%mdl 64] [#] Double Attack} Qe6 {( -> ...Qe1+)} 27. Rxd5 {And now Be3 would win.} Qg4 28. Qd3 ({White should play} 28. Qxg4+ $16 hxg4 29. g3) 28... Qe6 $2 {[%mdl 8192] This move loses the game for Black.} (28... e6 $14 29. Rd6 Qxg2) 29. Be3 (29. Bf2 $142) 29... Rg8 (29... Rf8 $142 30. a4 Be5 31. axb5 axb5 32. Rxb5 Rd8) 30. a4 $18 {[%cal Ba2a4,Ba4b5,Bb5a6][%mdl 32]} Rg3 31. axb5 {White mates.} Rxe3 32. Rc5+ Kb7 33. bxa6+ Ka7 34. Rc7+ Kb6 35. Rb7+ Kc5 36. b4+ Kc6 37. Qb5+ {[%mdl 64] [#] Double Attack} Kd6 38. Qc5# {Weighted Error Value: White=0.26/Black=0.36} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "5.4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2434"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,52,12,25,20,25,18,22,6,24,25,31,10,12,0,14,0,10,-25,-19,-31,0,0,0,-5,0,0,0,0,0,-10,-8,-22,24,24,24,23,22,20,16,16,16,10,16]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a6 7. Nbd2 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. a4 O-O 9. h3 Be6 {Recently 9...h6 got a lot of attention.} 10. Bxe6 fxe6 11. Re1 Nh5 12. Nf1 {[#]} Nf4 $146 ({Predecessor:} 12... a5 13. Be3 Nf4 14. Bxa7 Rxa7 15. h4 Qf6 16. N1h2 Qg6 17. g3 Raa8 18. Kh1 Nh5 {0-1 (78) Duda,J (2730)-Giri,A (2780) chess.com INT 2019}) 13. Be3 Qf6 14. Bxa7 Rxa7 15. Re3 a5 16. h4 {[#]} Qg6 $1 {[%csl Gf4][%cal Rg6g2][%mdl 512]} 17. g3 Nh3+ 18. Kg2 Nf4+ $1 ({Not} 18... Qg4 $2 19. N1h2 $18) 19. Kh1 Nh5 $1 20. Qd2 Nf6 21. N1h2 Ng4 22. Nxg4 Qxg4 23. Kg2 Raa8 24. Rh1 {[#] Hoping for h5.The position is equal.} Qh5 25. Ng5 Rf6 26. Qe2 Qxe2 {An uneventful encounter.  Weighted Error Value: White=0.06/Black=0.07} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "5.5"]
[White "Balakrishnan, Praveen"]
[Black "Mishra, Abhimanyu"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2485"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,143,13,38,40,69,52,97,107,96,106,100,114,129,114,133,133,134,122,135,127,135,129,126,126,135,128,135,134,126,121,124,131,121,111,132,127,128,117,117,117,117,117,117,117,117,117,117,117,117,117,126,117,117,115,141,123,146,0,120,85,130,166,137,137,144,125,206,161,174,175,234,227,204,214,245,200,243,247,227,230,238,227,232,222,368,351,579,552,580,560,1407,951,1392,1413,1366,1272,1355,741,680,657,1468,1453,29981,29982,29982,29983,29983,29984,29984,0,29985,0,29986,29987]} 1. d4 {Ftacnik,L} Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. Nc3 Nc6 8. e3 e5 9. d5 Ne7 10. e4 Bg4 11. h3 Bxf3 12. Qxf3 O-O 13. O-O c6 14. Rd1 cxd5 15. exd5 Nf5 16. d6 Rb8 17. Qd3 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} Nd4 18. Nb5 {[%cal Rb5d4] [#]} Qd7 $146 ({Predecessor:} 18... Nd7 19. Nxd4 exd4 20. Bd2 Re8 21. Rac1 Qf6 22. Bb4 Ne5 23. Qxd4 Nf3+ 24. Bxf3 Qxd4 25. Rxd4 Bxd4 {1-0 (32) Van Wely,L (2700)-Leko,P (2745) Wijk aan Zee 2001 CBM 081 [Ftacnik,L]}) 19. Nxd4 {White is better.} exd4 20. Bf4 Nc8 21. Qa3 Rd8 {[%cal Rc8d6]} 22. Re1 $1 Bf8 {[%cal Rf8d6]} 23. Rad1 $1 Bxd6 24. Rxd4 Bxa3 25. Rxd7 Rxd7 26. Bxb8 Bf8 27. Rc1 Rd8 28. Bc7 Rd7 29. Bxb7 Nb6 30. Rc2 Nd5 31. Bxd5 Rxd5 $16 {[%mdl 4096] Endgame KRB-KRB} 32. Bf4 Kg7 33. Be3 a5 34. b3 Bb4 35. Kg2 Kf6 36. Kf3 Ke6 37. Rc6+ Kd7 38. Rc4 Ke6 39. Re4+ Kd6 40. Ke2 Bc5 41. Bf4+ Kc6 42. Re8 Rd7 43. Rc8+ Kb6 44. Re8 ({White should play} 44. g4 $16) 44... h5 (44... Kc6 $1 $11 {remains equal.}) 45. Bd2 {White now steadily converts the win.} Bxf2 46. Bxa5+ $1 Kxa5 47. Kxf2 {KR-KR} Kb4 48. Re4+ Ka5 (48... Kc3 $16 49. Re2 Rd6) 49. a4 Rd3 50. Re5+ Ka6 (50... Kb6 {was necessary.}) 51. Re3 $1 $18 {[%cal Re3d3]} Rd2+ 52. Kf3 Rd4 53. Rc3 Kb6 54. Ke3 Rb4 55. Kd2 h4 56. g4 Rf4 57. Re3 g5 (57... Ka5 $142 58. Kc3 Rf1 59. Re5+ Kb6) 58. Kc3 f5 $2 (58... Rf1 {was called for.} 59. b4 f5 60. gxf5 Rxf5) 59. gxf5 $1 Rxf5 60. b4 Rf4 61. Re6+ {Cut Off at move 61} Ka7 62. Rg6 Rf3+ 63. Kc4 Rf4+ 64. Kc5 Rf5+ 65. Kc6 Rf4 66. Rxg5 Rxb4 67. Ra5+ Kb8 68. Rb5+ Rxb5 69. axb5 ({Inferior is} 69. Kxb5 Kb7 $11) 69... Ka7 70. Kc7 Ka8 {[#]} 71. Kb6 $1 Kb8 {[#]} 72. Ka6 $1 {Weighted Error Value: White=0.07/Black=0.27} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "6.1"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Ostrovskiy, Aleksandr"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2378"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,126,24,0,0,0,0,24,10,12,5,26,-11,14,-20,-33,-105,-55,-165,-103,-100,-60,-96,-77,-163,-168,-160,-163,-160,-164,-157,-155,-225,-233,-232,-211,-206,-210,-208,-208,-210,-156,-226,-206,-231,-216,-204,-203,-200,-148,-312,-164,-155,-150,-220,-216,-281,-281,-319,-310,-331,-304,-328,-309,-306,-299,-377,-277,-458,-425,-418,-418,-412,-406,-408,-395,-357,-328,-449,-449,-451,-425,-622,-403,-482,-482,-449,-441,-434,-434,-434,-424,-496,-435,-4980,-3974,-5157,-5127,-4902,-4839,-4839,-4800,-4378,-3956,-3333,-2429,-29974,-29975,-29974,-29973,-29965,-29974,-5073,-4630,-29976,-29977,-29977,-29977,-29982,-6079]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. Qg4 {B12: Caro-Kann: Advance Variation.} Ne7 7. Nf3 O-O 8. Bd3 {White has an edge.} f5 9. exf6 Rxf6 {[#] Hoping for ...e5!} 10. b4 $146 (10. Qh5 $5 {[%cal Rh5h7]} g6 11. Qh4 $11) ({Predecessor:} 10. Qh4 h6 11. O-O Nbc6 12. c4 Qf8 13. Nc3 Ng6 14. Qh5 Nge5 15. Nxe5 Rxf2 16. Be3 Bxe3 17. Rxf2 Bxf2+ {1-0 (32) Karjakin,S (2754)-Wei,Y (2725) Jerusalem 2019}) 10... Bd6 (10... Bxf2+ $5 11. Kxf2 e5 $11) 11. Qh4 (11. Qh5 {with more complications.} h6 12. O-O Nd7 13. Bb2 e5 14. Nbd2) 11... h6 12. c4 (12. Bb2 $15 Rf4 13. Qh5 (13. Qg3 $2 Re4+ {[%mdl 64] Discovered Attack} 14. Bxe4 Bxg3 $19)) 12... Nbc6 13. Be3 (13. O-O $15) 13... Qf8 ({Black should try} 13... Qe8 $19 {aiming for ...Nf5.} 14. Nbd2 Nf5 15. Bxf5 Rxf5) 14. Nbd2 Ne5 15. Bc2 N5g6 16. Bxg6 (16. Qh5 $17) 16... Rxg6 $19 ({Resist} 16... Nxg6 17. Qd4 $15) 17. O-O e5 {And now ...Bg4 would win.} 18. cxd5 Rg4 19. Qh5 {h3 is the strong threat.} Nxd5 20. Bc5 ({But not} 20. Nxe5 $2 Nf6) (20. Rac1 $17 {keeps fighting.}) 20... Bxc5 21. Qxe5 Nf4 22. Qxc5 Rxg2+ 23. Kh1 Qxc5 24. bxc5 Be6 25. Ne1 (25. Rab1 $17 {was called for.}) 25... Rg5 26. Ne4 Bd5 27. f3 Re5 28. Ng2 Rf8 29. Rad1 $2 {White does not recover from this.} (29. Nxf4 $17 Rxf4 30. Rae1) 29... Bc6 (29... Nh3 $142 30. Rde1 Bxe4 31. fxe4 Rxf1+ 32. Rxf1 Rxc5) 30. Nxf4 Rxf4 31. Kg1 (31. Kg2 $17) 31... Ref5 ({Don't take} 31... Bxe4 32. fxe4 Rfxe4 33. Rd7) 32. Ng3 Rxc5 33. Rd3 Bb5 34. Rd8+ Kh7 35. Rf2 Rc3 36. Rd5 Bc6 37. Ra5 {intending Ne2.} Rc1+ 38. Nf1 $2 (38. Rf1 {was worth a try.} Rc2 39. Rxa7) 38... a6 39. Kg2 {[#]} Rxf3 $1 {[%mdl 512]} 40. Rxf3 Bxf3+ 41. Kxf3 Rxf1+ {[%mdl 4096] Endgame KR-KR} 42. Kg3 Rb1 43. h4 Rb5 44. Ra4 h5 45. Kf4 (45. Kg2 $142) 45... Kg6 46. Rd4 Rb3 47. a4 a5 48. Rd6+ Kh7 49. Rd5 Rb4+ 50. Kg5 Rxa4 51. Rb5 (51. Kxh5 $142 b6 52. Rd6) 51... Rb4 52. Rxa5 g6 53. Rd5 Rg4+ 54. Kf6 Rxh4 55. Rd7+ Kh6 56. Kf7 Rf4+ 57. Kg8 b5 58. Rh7+ Kg5 59. Rb7 Rf5 60. Kg7 Rc5 61. Kh7 h4 {Black mates.} 62. Rg7 Kh5 63. Kh8 g5 {Weighted Error Value: White=0.59/Black=0.19} (63... h3 $142 64. Rd7 h2 65. Rd1 g5 66. Kg7 g4 67. Rf1 g3 68. Rh1 Kg4 69. Kf6 g2 70. Rxh2 g1=Q 71. Re2 Qf1+ 72. Rf2 Qxf2+ 73. Ke6 Qf5+ 74. Kd6 Qe5+ 75. Kd7 Rc7+ 76. Kd8 Qe7#) 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "6.2"]
[White "Gauri, Shankar"]
[Black "Balakrishnan, Praveen"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "2356"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,26,35,0,0,0,0,0,0,-21,0,-37,-29,-15,-21,-103,-102,-96,-96,-99,-98,-112,-110,-118,-108,-239,-262,-419,-420,-556,-318,-450,-449,-440,-420,-475,-455,-728,-707,-736,-785,-771,-725,-694,-661,-742,-737,-691,-616,-619,-591,-806,-803,-806,-795,-771,-769,-731,-682]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 b6 7. Qg4 Ng6 8. h4 h5 9. Qg3 Ba6 10. Bd3 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} Bxd3 11. cxd3 c5 12. Ne2 {The position is equal.} Nc6 {[%cal Bb8c6,Bc6e7,Be7f5][%mdl 32]} 13. Bg5 Qd7 14. O-O cxd4 15. cxd4 Nce7 {[#]} 16. Qf3 $146 (16. f3 $11 {keeps the balance.}) ({Predecessor:} 16. f3 Rc8 17. a4 O-O 18. Qf2 f6 19. exf6 gxf6 20. Bh6 Rf7 21. Nf4 Nxf4 22. Bxf4 {0-1 (60) Potapov,P (2482)-Voit,D (2336) Khanty-Mansiysk 2019}) 16... Nf5 $17 17. g3 Qa4 18. Be3 Rc8 19. Rfc1 Rxc1+ 20. Rxc1 Kd7 ({Of course not} 20... Qxa3 $6 21. Rc8+ Kd7 22. Rxh8 $15) 21. Kh2 (21. Nc3 $17 {was called for.} Qb3 22. Qd1 Qxd1+ 23. Rxd1) 21... Qxa3 $19 22. Qh1 (22. Bd2 $142) 22... Qxd3 23. Rc3 Qa6 24. Qc1 (24. Rc2 $142) 24... Rc8 ({Inferior is} 24... Qxe2 25. Rc7+ Ke8 26. Qc6+ Kf8 27. Qa8#) 25. Rxc8 Qxc8 26. Qa3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] Black is clearly winning.} 27. Bg5 (27. Qb2 $142 Nxe3 28. fxe3) 27... Qc2 28. Qf3 Qd1 29. Kg2 a4 30. Qa3 Qb3 ({Weaker is} 30... Qxe2 31. Qxa4+ b5 32. Qa7+ Kc8 33. Qa8+ Kc7 34. Qa7+ Kc8 35. Qa8+ Kc7 36. Qa7+ Kc8 $11) 31. Qxb3 axb3 {[%mdl 4096] Endgame KBN-KNN} 32. Bc1 Nge7 33. Bb2 Nc6 34. Nc1 Ncxd4 35. f3 Ne3+ 36. Kh3 Nxf3 37. Nxb3 Nc4 {Black took control after the opening.  Weighted Error Value: White=0.62/Black=0.16} 0-1

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "6.3"]
[White "Jacobson, Brandon"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2487"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,150,12,0,0,0,0,0,0,0,0,0,15,17,131,145,124,135,147,135,144,141,126,138,165,162,155,158,179,195,210,205,236,220,220,216,247,241,300,278,281,297,351,362,349,281,483,487,439,170,166,5,0,2,11,0,0,0,0,0,0,0,0,0,0,0,0,0,6,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bc7 14. O-O exd5 15. exd5 Ba5 16. Ba3 b6 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 17. d6 Bf5 18. Rbd1 Qf6 19. Bb2 Rad8 20. g4 Be4 {[#]} 21. f5 $146 ({Predecessor:} 21. Bb5 Bb7 22. Qd3 c4 23. Bxc4 b5 24. Bd5 Bb6+ 25. Kg2 Qxd6 26. Rh1 {0-1 (26) Smirnov,A (2405)-Shinkevich,V (2477) Izhevsk 2013}) 21... b5 {[#]} (21... gxf5 $11 22. d7 Qg7) 22. Qf4 $1 $16 {[%cal Rf4e4]} (22. Bxb5 c4 $17) 22... Bc6 23. fxg6 Qxf4 24. gxh7+ ({Much worse is} 24. Rxf4 $6 fxg6 25. Rxf8+ Kxf8 $11) 24... Kxh7 25. Rxf4 c4 26. Bf3 $36 {[%mdl 2048] White is in control.} Bxf3 27. Rxf3 Rd7 28. Rd5 Bb6+ 29. Kf1 {Threatens to win with Rg5.} f6 30. Bc1 Kg6 31. Bf4 ({Worse is} 31. Rxb5 Rxd6 32. Be3 Rd3 $11) 31... a6 32. Rf5 Rh7 {[#]} 33. Be5 $1 {[%mdl 512]} Rhf7 (33... fxe5 34. Rxf8) 34. Bg3 Bd8 35. h4 Kg7 36. h5 Rh8 37. Be5 Rh6 $2 (37... Re8 {is a better defense.}) 38. Bd4 $18 Kf8 39. g5 $2 (39. Kf2) 39... Rxh5 40. g6 $2 ({Don't take} 40. Bxf6 Bxf6 41. Rxf6 Rxf6 $16) (40. gxf6 $18 Rxf5 41. Rxf5) 40... Rxf5 $11 {The position is equal.} 41. Rxf5 Rd7 42. Bxf6 Bxf6 43. Rxf6+ {[%mdl 4096] Endgame KR-KR} Kg7 44. Re6 {Re7+ would kill now.} Kh6 $1 45. Ke2 {aiming for Ke3.} Kg5 $1 46. Re7 Rxd6 47. g7 Rg6 48. Ra7 Kf5 49. Ke3 Ke5 50. a3 Rg3+ 51. Kf2 Rg6 52. Kf3 Rg1 53. Kf2 Rg6 54. Kf3 Rg1 55. Ke3 Rg3+ 56. Ke2 Rg2+ 57. Kf1 Rg4 58. Kf2 Rg6 59. Kf3 (59. Rb7 {with more complications.} Rg5 60. Ra7 Rg6) 59... Rg1 60. Rxa6 {Hoping for Ra7.} Rxg7 61. Rb6 {Cut Off at move 61} Ra7 62. Rxb5+ Kd6 63. Rb4 Rxa3 64. Rxc4 Ra5 65. Rd4+ Kc6 66. Ke4 Rh5 67. Rd8 Rh4+ 68. Kd3 Rh3+ 69. Kc2 Rh4 70. Kb3 Kc7 71. Rd3 Kc6 72. Rg3 Rf4 73. Rg6+ Kc5 74. Rg5+ Kc6 75. c4 Rf1 {White really could win this.  Weighted Error Value: White=0.16/Black=0.15} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "6.4"]
[White "Sheng, Joshua"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2474"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,58,23,30,13,0,0,0,0,0,0,0,0,-52,-43,-52,-52,-52,-52,-58,-32,-42,0,0,0,0,0,0,0,0,0]} 1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bc7 14. O-O exd5 15. exd5 Ba5 16. d6 Rb8 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 17. Rb5 {[#] aiming for f5.} b6 18. Ba3 Bd7 19. Rxa5 bxa5 20. Bxc5 Re8 {[#]} 21. c4 $146 ({White should try} 21. Bxa7 $11 Rb7 22. Bd4) ({Predecessor:} 21. h3 Qf6 22. f5 Bxf5 23. d7 Red8 24. g4 Qe5 25. Bd6 Rb2 26. Qxb2 Qxd6 27. gxf5 Qg3+ 28. Kh1 Qxh3+ 29. Kg1 Qg3+ 30. Kh1 Qh3+ {½-½ (30) Vocaturo,D (2622)-Aryan,C (2562) Caleta 2020}) 21... Qf6 $1 $15 {White must now prevent ...Rb2.} 22. Bf3 Rbc8 23. Qxa5 Qf5 24. Bd5 Bc6 25. Qxa7 ({Avoid the trap} 25. Bxa7 $2 Ra8 $19) 25... Bxd5 (25... Ra8 $5 26. Bxc6 Rxa7 27. Bxa7 Rd8 $15) 26. d7 $1 $36 {[%cal Rd7e8][%mdl 2048] White is more active.The position is equal.} ({Don't play} 26. cxd5 Red8 $17) 26... Bxc4 27. Rc1 {[#]} Bd5 $1 {[%mdl 512] ( -> ...Qe4!)} 28. dxc8=Q Qxc8 29. Ba3 Qa8 {Weighted Error Value: White=0.07/Black=0.04} (29... Qg4 $5 30. Qf2 $8 Re2 31. Rc8+ Qxc8 32. Qxe2 Qe6 33. Qxe6 Bxe6 $11) 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.28"]
[Round "6.5"]
[White "Hong, Andrew"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2449"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,31,25,43,28,23,31,22,17,22,20,17,21,20,20,31,18,35,33,33,31,10,22,0,0,0,0,0,0,0,0,-13,0,-10,10,4,17,0,0,0,0,-23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O 8. c4 Nc6 9. cxd5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Qxd5 10. Re1 Bf5 11. Nc3 {White is slightly better.} Nxc3 12. bxc3 Rae8 13. Rb1 {[#] Threatens to win with Rb5.} Bxd3 $1 14. Qxd3 b6 15. Bf4 {[#]} Bd8 $146 ({Predecessor:} 15... Qd7 16. d5 Na5 17. Re3 Bf6 18. Be5 Bxe5 19. Nxe5 Qa4 20. Rbe1 f6 21. Rh3 g6 22. Rxh7 Kxh7 23. Qxg6+ {½-½ (27) Giri,A (2764)-Duda,J (2743) chess24.com INT 2020}) 16. c4 Qd7 17. d5 Na5 18. Bd2 Qa4 19. Bxa5 Qxa5 20. Re2 Rxe2 21. Qxe2 Bf6 22. Rb3 c6 23. Rd3 b5 24. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} cxd5 25. Rxd5 Qc3 26. Qxb5 Qa1+ 27. Qf1 {[#] aiming for Qxa1.} Qxa2 28. Rd1 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 29. c6 {The position is equal.} a4 30. c7 a3 31. Qd3 {And now Rc1 would win.} g6 32. Nd2 Qb2 33. Nc4 Qb7 {Strongly threatening ...a2.} 34. Qd6 Kg7 $1 {White must now prevent ...a2.} 35. Nxa3 {Hoping for Qxf8+!} Rc8 36. Nc4 {Weighted Error Value: White=0.05/Black=0.03} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "7.1"]
[White "Balakrishnan, Praveen"]
[Black "Tokhirjonova, Gulrukhbegim"]
[Result "1-0"]
[ECO "D76"]
[WhiteElo "2485"]
[BlackElo "2378"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,8,50,50,36,50,48,37,41,28,30,0,0,-58,0,0,0,0,0,-59,-63,-71,-66,-209,10,10,49,53,97,105,117,128,105,23,479,469,1175,1112,1730,1727,1672,1654,1397,1149]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 6. Nf3 Nb6 7. Nc3 Nc6 8. e3 O-O 9. O-O e5 10. d5 Na5 11. b3 {D76: Fianchetto Grünfeld: Main Line with 7...Nb6.} e4 12. Nd4 Nxd5 13. Nxe4 {White is slightly better.} b6 14. Ba3 (14. b4 $5 Nxb4 15. Ba3 $11) 14... c5 15. Ne2 {[#]} (15. Nxc5 $5 bxc5 16. Bxc5 $11) 15... Ba6 $146 (15... Bxa1 $6 16. Qxa1 Bb7 17. Rd1 $16) ({Predecessor:} 15... Bxa1 16. Qxa1 Bb7 17. Rd1 f5 18. Nxc5 bxc5 19. Nf4 Qf6 20. Bb2 Qf7 21. Nxd5 Rfd8 {1-0 (31) Paszek,A-Pawlowski,S Poland 1990}) 16. Re1 (16. Rc1 $11) 16... Nc7 ({Reject} 16... Bxa1 $6 17. Qxa1 f5 18. Nxc5 $1 $16 {[%mdl 512]}) (16... Nc6 $1 $15) 17. Qc1 $11 Bxa1 18. Qxa1 f5 19. N4c3 ({White should try} 19. Nxc5 $1 $11 bxc5 20. Bxa8 Qxa8 21. Qc3) 19... Bb7 $15 {aiming for ...Bxg2.} 20. e4 Ne6 21. Rd1 (21. Bb2 $15) 21... Qe8 $2 (21... Qf6 $19 {Strongly threatening ...Rae8.} 22. f4 fxe4) 22. Nd5 $11 {Black should prevent Nf6+.} Rd8 23. Qc3 $1 {Bb2 is the strong threat.} Nc6 {Hoping for ...Ncd4.} ({Avoid the trap} 23... Bxd5 $2 24. exd5 Ng7 25. Nf4 $16) 24. Bb2 {Intending Qh8+ and mate.} Ned4 25. Nxd4 cxd4 26. Qc4 $40 {[%mdl 128] White attacks.} ({Better is} 26. Rxd4 $16 {Threatens to win with Ra4.} Qe5 27. Nf6+ $1 {[%mdl 512]} Qxf6 28. Rxd8 Nxd8 29. Qxf6 Rxf6 30. Bxf6) 26... Qf7 $2 {[%mdl 8192]} (26... b5 $1 $11 {and Black has nothing to worry.} 27. Qxb5 fxe4) 27. Rxd4 $18 {White is clearly winning.} b5 (27... fxe4 28. Nf6+ Kg7 {[#]} 29. Ng4 $1 {[%mdl 512]}) (27... Rd6 $142 28. Rd2 Re6 29. exf5 Re1+ 30. Bf1 Ne5 31. Nf6+ Kg7) 28. Nf6+ $1 Kh8 29. Rxd8 {White wants to mate with Qxf7.} Qxc4 30. Rxf8+ ({Not} 30. bxc4 Rxd8 31. Nd5+ (31. cxb5 Rd1+ 32. Bf1 Nd4 $15) 31... Kg8 $11) 30... Kg7 31. Nd7+ {Weighted Error Value: White=0.24/Black=0.67} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "7.2"]
[White "Ringoir, Tanguy"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2484"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,27,33,41,27,25,38,59,22,11,4,22,6,9,25]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Ne5 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 10. Be2 Nbd7 {10...Bd7 is not played anymore.} 11. Nd3 Bd6 {The position is equal.} 12. Nd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} b5 13. Nb3 Bb7 14. Na5 {[#]  Weighted Error Value: White=0.13/Black=0.05} {Predecessor:} Bd5 $146 15. Bd2 Rhc8 16. Rfc1 Ne5 17. Nb4 Nc4 18. Nxc4 bxc4 19. Nxd5+ exd5 20. Bc3 Rab8 {½-½ (67) So,W (2812)-Caruana,F (2808) Stavanger 2017} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "7.3"]
[White "Ostrovskiy, Aleksandr"]
[Black "Sheng, Joshua"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2434"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,18,24,11,30,25,25,30,36,30,30,22,30,25,24,19,24,23,18,23,23,20,29,18,32,28,28,37,33,18,10,19,21,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} g6 7. c3 Bh6 8. Bf1 {White has an edge.} Ne5 9. Nxe5 dxe5 10. Na3 b5 {[#]} 11. d4 $1 {[%mdl 512]} Bxc1 (11... cxd4 12. Bxh6) 12. Rxc1 cxd4 13. cxd4 Qxd4 14. Qxd4 exd4 15. e5 Nd5 16. Nc2 {[#]} Nf4 $146 {next ...d3 is good for Black.} ({Predecessor:} 16... O-O 17. Nxd4 Bb7 18. Nb3 Rad8 19. g3 Rfe8 20. Bg2 Ba8 21. Nc5 Nb4 22. Bxa8 Rxa8 {1-0 (54) Milliet,S (2391)-Cramling,P (2472) Stary Smokovec 2018}) 17. Nxd4 Ne6 18. Nc6 Bb7 19. Red1 Bxc6 {The position is equal.} 20. Rxc6 O-O 21. g3 Rfc8 22. Rdc1 Rd8 23. f4 Rd2 24. R1c2 {Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "7.4"]
[White "Dragun, Kamil"]
[Black "Jacobson, Brandon"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2565"]
[BlackElo "2487"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,0,0,0,0,0,0,-6,0,-2,-2,-3,0,-2,11,0,17,13,22,24,40,-19,-13,-16,0,0,2,-25,11,-45,16,12,12,23,24,14,27,10,39,22,37,27,93,95,110,49,112,105,126,145,160,113,101,87,70,68,232,229,233,220,234,227,225,234,237,224,404,392,409,404,403,360,505,487,470,516,477,462,396,364,338,340,1287,1163,1625,1539,29987,29988,29990,29989,29993,29994,29996,29997]} 1. d4 d5 2. c4 e6 3. Nc3 h6 4. e3 Nf6 5. Bd3 a6 {[#]} 6. c5 $146 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} ({Predecessor:} 6. e4 dxc4 7. Bxc4 Nc6 8. d5 exd5 9. exd5 Bc5 10. Qe2+ Ne7 11. Nh3 Bxh3 12. gxh3 {0-1 (24) Meijer,R (611)-Venturas,B (606) LSS email 2010}) 6... b6 7. cxb6 cxb6 8. Nf3 {The position is equal.} Nbd7 9. Ne5 Nxe5 10. dxe5 Nd7 11. f4 Qh4+ 12. g3 Qd8 13. O-O Bb7 14. a3 Rc8 15. Qe2 (15. Ne2 $14) 15... b5 $11 16. Bd2 Nc5 17. Bc2 Ne4 18. Be1 Nxc3 19. bxc3 (19. Bxc3 $11 Bc5 20. Bd4) 19... d4 (19... Bc5 $15) 20. exd4 Qd5 21. Kf2 Be7 22. Bd2 O-O 23. Ke1 Bd8 24. Qd3 {[%csl Gc2][%cal Rd3h7]} g6 25. Bd1 $36 {[%mdl 2048] White has the initiative.} Ba5 (25... Qd7 $11) 26. Bf3 $16 Qd7 27. Ke2 ({Better is} 27. g4 $16) 27... Rc4 (27... Bd5 $14 28. Bxd5 Qxd5) 28. g4 Rfc8 {[%cal Ra5c3]} 29. Rac1 Bd5 30. Bxd5 Qxd5 31. Rf3 Bb6 {[%cal Rb6d4] White should prevent ...Bxd4!} 32. f5 g5 $2 {[#] This move loses the game for Black.} (32... exf5 $1 $14 33. gxf5 g5) 33. fxe6 $1 $18 Qxe6 {[#] aiming for ...Bxd4!} 34. Rcf1 $1 Qxg4 35. Qf5 Qxf5 36. Rxf5 R8c7 37. Rf6 R4c6 $2 (37... Ba5) 38. d5 Rxf6 39. Rxf6 {[%mdl 4096] Endgame KRB-KRB} Bc5 40. Kd3 Re7 (40... Rd7 $142 41. Ke4 Kg7 42. Rxa6 f5+ 43. exf6+ (43. Kxf5 Rxd5 44. Be1 Rd1 $16) 43... Kf7) 41. Ke4 Kg7 42. h4 gxh4 43. Bxh6+ Kg8 44. Rxa6 h3 {Strongly threatening ...h2.} 45. Bf4 Re8 $2 (45... Kg7 46. a4 bxa4) 46. Rh6 Bxa3 47. Rxh3 b4 48. Bg5 {White mates.} Kg7 49. d6 bxc3 50. d7 Rg8 51. Kf5 {Weighted Error Value: White=0.10/Black=0.44} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "7.5"]
[White "Mishra, Abhimanyu"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2338"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,7,30,16,18,19,26,14,31,20,20,20,25,24,24,24,19,14,8,23,24,10,14,12,14,12,23,17,37,33,33,11,33,27]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O a6 7. a4 $1 {[%mdl 4] is more profitable than 7.Bb3 at the moment. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} Ba7 8. Re1 O-O 9. h3 {White has an edge.} Be6 10. Bxe6 fxe6 11. Be3 Bxe3 12. Rxe3 {[#]} Nd7 $146 ({Predecessor:} 12... a5 13. Nbd2 Qe8 14. d4 exd4 15. Nxd4 e5 16. Qb3+ Kh8 17. Ne6 Rf7 18. Ng5 Re7 {½-½ (40) Vachier Lagrave,M (2774)-Jakovenko,D (2681) Khanty-Mansiysk 2019}) 13. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} a5 14. Qc2 Qf6 15. Rd1 Kh8 16. Nf1 Ne7 17. Ng3 Ng6 18. Qb3 Nb6 19. d4 h6 20. Qb5 Qf7 21. Rf1 {[%cal Rd4e5]} exd4 22. cxd4 {Weighted Error Value: White=0.04/Black=0.07} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "8.1"]
[White "Tokhirjonova, Gulrukhbegim"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2378"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "31"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,31,-13,-13,-12,-3,-8,-7,0,0,0,-8,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. Bc4 Ne5 8. Be2 d6 9. O-O Qg6 10. Bh5 Qxe4 11. Nd2 {The position is equal.} Qd3 {C45: Scotch Game.} 12. Be2 Qg6 {[#]} 13. Bh5 $146 ({Predecessor:} 13. Nb5 Bxe3 14. fxe3 O-O 15. Nxc7 Bh3 16. Rf2 Rac8 17. Nb5 Bd7 18. Nd4 Nd5 19. Nf1 Nf6 20. Ng3 Nfg4 21. Ndf5 Rfe8 22. Qxd6 Nxf2 23. Kxf2 Bxf5 {0-1 (34) Gzib,D (1864)-Slivka,D (1681) Liptovsky Mikulas 2017}) 13... Qd3 14. Be2 Qg6 15. Bh5 Qd3 16. Be2 {Not much happened in this game. Not enough moves} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "8.2"]
[White "Jacobson, Brandon"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2487"]
[BlackElo "2356"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,53,25,27,38,42,35,30,42,25,31,31,41,47,42,25,33,41,41,34,44,181,163,160,185,177,182,137,73,66,64,68,70,67,50,64,70,820,808,779,775]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Be2 Bf5 8. Nf3 {8.Nf3 is better than 8.g4.} e6 9. Qb3 {D13: Slav Defence: Exchange variation without ...Bf5.} Bd6 10. Bxd6 ({Much worse is} 10. Qxb7 Na5 $15) 10... Qxd6 11. Qxb7 {White has an edge.} O-O 12. Qb3 ({But not} 12. Bxa6 $2 Rab8 $19) 12... Nb4 13. O-O Nc2 $1 {And now ...Rfb8 would win.} 14. Rac1 Rfb8 15. Qa4 {Hoping for Nh4.} Rb4 16. Qa5 $1 Rxb2 17. Ne5 {[#]} Nd7 $146 {[#]} (17... Na3 $14) ({Predecessor:} 17... Na3 18. Rfe1 Qb4 19. Qc7 Qb7 20. Qa5 Qb4 21. Qc5 h5 22. h3 Nc2 23. Rb1 Qxc5 24. dxc5 Rxb1 25. Rxb1 {½-½ (46) Stein,K (2407)-Bondars,G (2423) ICCF email 2017}) 18. Nd1 $1 $18 {[%cal Rd1b2]} Nxd4 19. exd4 Rxe2 20. Rc6 Qe7 21. Rc7 ({Better is} 21. Rxa6 Rxa6 22. Qxa6 Rxe5 23. dxe5) 21... Rxe5 $16 22. dxe5 Qd8 23. Ne3 Bd3 24. Rfc1 $40 {[%mdl 128] White has some attack.} Nxe5 25. Ra7 $1 {aiming for Qc7.} Rc8 $2 {[%mdl 8192] [#]} (25... Rb8 $14 26. Qxd8+ Rxd8) 26. Rxc8 $1 $18 Qxc8 27. Qc7 {Weighted Error Value: White=0.03/Black=0.21} 1-0

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "8.3"]
[White "Sheng, Joshua"]
[Black "Balakrishnan, Praveen"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2474"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,12,0,12,0,8,0,0,0,44,0,0,0,1,9,10,15,17,18,22,22,29,27,40,48,37,38,38,38,48,37,63,60,100,99,101,100,101,87,90,87,89,82,94,58,75,79,78,71,72,55,55,55,56,58,60,52,63,49,50,48,47,42,42,42,42,39,60,11,15,8,8,8]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. Rd1 Ba6 {E08: Closed Catalan: Main Line: 7 Qc2.} 11. Ne5 Rc8 12. cxd5 Nxd5 13. Nc3 {[#]} Qe8 $146 ({Predecessor:} 13... Nxe5 14. Bxe5 Nxc3 15. bxc3 Bc4 16. Be4 h6 17. Bh7+ Kh8 18. Bd3 Bxd3 19. Rxd3 b5 {1-0 (45) Gupta,A (2602)-Sargissian,G (2689) Sharjah 2019}) 14. Nd3 Bxd3 15. Qxd3 Nxf4 16. gxf4 Bd6 17. e3 Nf6 18. Rac1 Qe7 19. Ne4 Nxe4 20. Bxe4 Qh4 21. Rxc6 Rxc6 22. Bxc6 g5 23. fxg5 {aiming for f4.} Rc8 24. Be4 {f4 is the strong threat.} Qxg5+ 25. Kh1 {[#] Hoping for Rg1.} Qh5 {[%csl Gd6][%cal Rh5h2]} 26. f4 Kh8 27. Rg1 Qh3 28. a3 Rg8 29. Bg2 Qg4 30. Qc2 Qg6 31. Qf2 Be7 32. Rc1 Qd3 33. Bf3 Bf6 34. Qe2 (34. Rd1 {is interesting.} Qg6 35. Bb7 a5 36. Qd2 Bh4 37. Rc1) 34... Qxe2 35. Bxe2 $14 {[%mdl 4096] Endgame Black must now prevent Bh5. KRB-KRB} Bh4 36. Bh5 Bf2 37. Bxf7 {[%mdl 64] [#] Double Attack} Rf8 38. Bxe6 {Strongly threatening Rc3.} Bxe3 39. Rc7 Bxd4 40. f5 Bxb2 41. Rxa7 Rd8 42. a4 Rd2 43. Rf7 {Threatens to win with f6.} Rf2 $1 44. h4 h5 45. Rb7 {Weighted Error Value: White=0.08/Black=0.05} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "8.4"]
[White "Hong, Andrew"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2449"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,18,34,37,17,19,45,23,22,17,17,20,12,13,19,20,22,0,6,6,16,0,0,0,0,-3,0,0,31,2,2,2,2,2,2,3,2,2,16,16,20,22,22,22,15,15,17,17,18,16,27]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. dxc5 Bg4 6. c3 {B12: Caro-Kann: Advance Variation.} e6 7. Be3 a6 8. Nbd2 {White is slightly better.} Nxe5 9. h3 Bxf3 10. Nxf3 Nxf3+ 11. Qxf3 Ne7 {[#]} 12. Bd3 $146 ({Predecessor:} 12. b4 Nf5 13. Bd2 Be7 14. Bd3 Nh4 15. Qg3 O-O 16. a3 a5 17. O-O Ng6 18. Bc2 {1-0 (30) Boldysh,K (2391)-Badalyan,V ICCF email 2017}) 12... Nc6 13. Qg3 g6 14. O-O Bg7 15. Rfd1 O-O 16. Rac1 Qe7 17. b4 Rad8 18. a4 e5 19. b5 axb5 {The position is equal.} 20. axb5 Na5 $1 21. c6 {next Ra1 is good for White.} bxc6 22. Bb6 Ra8 23. Ra1 Nc4 24. Rxa8 Rxa8 25. Bxc4 dxc4 26. bxc6 {[#] Hoping for c7.} Qe6 $1 {[%cal Re6c6]} 27. Bc7 $1 {[%cal Rc7d6] Black should prevent Bd6.} Qxc6 28. Bxe5 Bxe5 29. Qxe5 Re8 {Not much happened in this game.  Weighted Error Value: White=0.04/Black=0.03} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.29"]
[Round "8.5"]
[White "Dragun, Kamil"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[WhiteElo "2565"]
[BlackElo "2484"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,22,7]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c6 5. Bg2 d5 6. O-O O-O 7. cxd5 cxd5 {[#]} {Predecessor:} 8. Ne5 $146 {D78: Fianchetto Grünfeld: 6 0-0 c6.} Ne4 9. Nd2 Nxd2 10. Bxd2 Nd7 11. Nxd7 Bxd7 12. e3 e6 13. Qb3 Qb6 14. Qxb6 axb6 15. Rfc1 Rfc8 16. Rxc8+ Rxc8 17. Rc1 Rxc1+ 18. Bxc1 {½-½ (38) Carlsen,M (2863)-Nepomniachtchi,I (2784) chess24.com INT 2020} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.30"]
[Round "9.1"]
[White "Gauri, Shankar"]
[Black "Tokhirjonova, Gulrukhbegim"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2356"]
[BlackElo "2378"]
[Annotator "ChessBase"]
[PlyCount "92"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 1:30:30]} Nf6 {[%emt 1:30:30]} 2. g3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 4. d4 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. c3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 7. Re1 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 8. Bf4 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 9. Qb3 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 10. Nbd2 {[%emt 0:00:30]} a4 {[%emt 0:00:30]} 11. Qa3 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 12. c4 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 13. Rac1 {[%emt 0:00:30]} Nxd2 {[%emt 0:00:30]} 14. Bxd2 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 15. cxd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 16. dxe5 {[%emt 0:00:30]} Nxe5 {[%emt 0:00:30]} 17. Nxe5 {[%emt 0:00:30]} Bxe5 {[%emt 0:00:30]} 18. Bxd5 {[%emt 0:00:30]} Bxb2 {[%emt 0:00:30]} 19. Qf3 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 20. Rb1 {[%emt 0:00:30]} Bxd5 {[%emt 0:00:30]} 21. Qxd5 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} 22. Qg5 {[%emt 0:00:30]} Qd4 {[%emt 0:00:30]} 23. Be3 {[%emt 0:00:30]} Qc3 {[%emt 0:00:30]} 24. Qb5 {[%emt 0:00:30]} a3 {[%emt 0:00:30]} 25. Rbd1 {[%emt 0:00:30]} Qc6 {[%emt 0:00:30]} 26. Qxc6 {[%emt 0:00:30]} bxc6 {[%emt 0:00:30]} 27. Kf1 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 28. Rd3 {[%emt 0:00:30]} Rd5 {[%emt 0:00:30]} 29. Red1 {[%emt 0:00:30]} Red8 {[%emt 0:00:30]} 30. Bc5 {[%emt 0:00:30]} Rxd3 {[%emt 0:00:30]} 31. Rxd3 {[%emt 0:00:30]} Rxd3 {[%emt 0:00:30]} 32. exd3 {[%emt 0:00:30]} Kf7 33. Ke2 {[%emt 0:00:30]} Ke6 {[%emt 0:01:00]} 34. f3 {[%emt 0:00:30]} Kd5 {[%emt 0:00:30]} 35. Be7 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 36. Bg5 {[%emt 0:00:30]} c4 {[%emt 0:00:30]} 37. dxc4+ {[%emt 0:00:30]} Kxc4 {[%emt 0:00:30]} 38. Kd2 {[%emt 0:00:30]} Bc3+ {[%emt 0:00:30]} 39. Kc2 {[%emt 0:00:30]} Bb4 {[%emt 0:00:30]} 40. Bf6 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 41. Kd2 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 42. h3 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 43. Be5 {[%emt 0:00:30]} Kd5 {[%emt 0:00:30]} 44. Bf4 {[%emt 0:00:30]} Kc4 {[%emt 0:00:30]} 45. Be5 {[%emt 0:00:30]} Kd5 {[%emt 0:00:30]} 46. Bf4 {[%emt 0:00:30]} Kc4 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.30"]
[Round "9.2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Dragun, Kamil"]
[Result "1/2-1/2"]
[WhiteElo "2434"]
[BlackElo "2565"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,20,6]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O {[#]} {Predecessor:} 8. Qd2 $146 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} Nd7 9. O-O-O Nf6 10. Bd3 c5 11. Rhe1 Be6 12. a3 c4 13. Bf1 Ne4 14. Qe2 d5 15. Bd4 b5 {½-½ (85) Caruana,F (2823)-Duda,J (2743) Chess.com INT 2020} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.30"]
[Round "9.3"]
[White "Balakrishnan, Praveen"]
[Black "Hong, Andrew"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2485"]
[BlackElo "2449"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,46,-9,-7,-3,-19,-2,-10,-10,-4,-3,-3,-18,-2,0,0,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 {The position is equal.} 10. Ba3 {C45: Scotch Game.} Nb4 11. Bb2 Bg7 12. a3 Nd5 $1 13. Nd2 {[%cal Bb1d2,Bd2e4,Be4f6][%mdl 32]} O-O 14. O-O-O Rfe8 15. Qf3 Nb6 16. Ne4 Bxe5 17. Bxe5 Qxe5 18. Nf6+ {[%mdl 64] [#] Double Attack} Kf8 19. Nxe8 Qa1+ {[%mdl 64] Double Attack} 20. Kc2 Qa2+ 21. Kc1 $1 {[#] Black must now prevent Qc3.} Qa1+ $146 ({Predecessor:} 21... Qxa3+ 22. Kb1 Na4 23. Qf6 Qxb3+ 24. Kc1 Qa3+ 25. Kc2 Qa2+ 26. Kc1 {½-½ (26) Langheld,W (1930)-Oppel,D (1868) GER email 2018}) 22. Kc2 Qa2+ 23. Kc1 $1 {[#] aiming for Qc3.} Qa1+ {A rather calm draw.  Weighted Error Value: White=0.00/Black=0.02} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.30"]
[Round "9.4"]
[White "Mishra, Abhimanyu"]
[Black "Sheng, Joshua"]
[Result "1/2-1/2"]
[ECO "B41"]
[WhiteElo "2338"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,66,37,33,47,56,46,48,61,34,31,25,0,5,24,18,25,0,0,0,0,-12,0,-3,0,0,0,0,0,0,0,-16,-14,-28,-4,-27,-11,-25,-24,-43,-21,-27,-20,-36,0,-35,-35,-35,-35,-35,-28,-28,-18,-31,-35]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 $1 {[%mdl 4] is recently more successful than 7.a3.} Bb4 8. Nc2 Bxc3+ {B41: Sicilian: Kan Variation: 5 c4.} 9. bxc3 d6 {9...Nc6 is vanishing.} 10. f3 {Strongly threatening Ba3.} Nbd7 {White is slightly better.} 11. O-O Nc5 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Kh1 Bd7 13. Be3 Ba4 14. Qd2 h5 15. Nb4 h4 16. Nd3 h3 17. g3 O-O-O 18. Qe1 {½-½ (74) Fier,A (2544)-Bosboom,M (2403) Amsterdam 2018}) 12... Nfd7 13. Qd2 Ne5 14. Rfd1 f6 15. Bf4 Ke7 16. Ne3 Bd7 17. Rab1 Ba4 18. Rdc1 Rhd8 19. Bg3 Bc6 (19... Kf7 {looks sharper.} 20. Nc2 Kg8 21. Nd4 Bd7 22. Rb4 Rac8) 20. Kh1 (20. Nc2 {is more complex.} Kf7 21. Nd4 Bd7 22. Qe3 Kg8 23. Rb2) 20... Kf8 21. Rd1 Kg8 22. Rb2 Qe7 23. Qc1 Nf7 24. Rbd2 Ba4 25. Re1 Rac8 26. Qa3 Qc7 27. Rb1 Ne5 28. Bd1 Qc6 29. Bxa4 Nxa4 30. Rbd1 Nc5 ({Avoid the trap} 30... Nxc4 $2 31. Nxc4 Qxc4 32. Rd4 $18) 31. Qb4 Nf7 32. h3 Rd7 33. Kh2 Qc7 {White got outplayed after the opening.  Weighted Error Value: White=0.09/Black=0.07} 1/2-1/2

[Event "Charlotte Thanksgiving GM 2020"]
[Site "Charlotte"]
[Date "2020.11.30"]
[Round "9.5"]
[White "Ringoir, Tanguy"]
[Black "Jacobson, Brandon"]
[Result "1/2-1/2"]
[WhiteElo "2484"]
[BlackElo "2487"]
[Annotator "NA RC"]
[PlyCount "11"]
[EventDate "2020.11.26"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 10,11,23,32]} 1. d4 {[%emt 1:30:30]} d5 {[%emt 1:30:30]} 2. c4 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 3. cxd5 {[%emt 0:00:30]} cxd5 {[%emt 0:00:30]} 4. Bf4 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 5. e3 {[%emt 0:00:30]} Nf6 $11 {[%emt 0:00:30]} 6. Nc3 {[%emt 0:00:30]} 1/2-1/2

