[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.1"]
[White "Belous, Vladimir"]
[Black "Wang, Kevin"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2521"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,7,6,-45,-39,-50,-58,-83,-82,-80,-76,-77,-92,-85,-18,-50,-33,-114,-122,-111,-112,-89,-61,-148,-107,-91,-95,-75,-96,-118,-84,-75,-56,-77,34,28,33,17,17,27,31,18,28,15,44,43,43,43,43,52,72,0,1,1,12,0,0,0,111,113,185,185,179,179,178,178,218,178,235,231,206,153,149,139,251,251,381,236,412,412,438,385,549,527,717,685]} 1. c4 e6 2. Nc3 d5 3. d4 c6 4. Nf3 Nf6 5. g3 dxc4 6. Bg2 Nbd7 7. O-O Be7 8. e4 O-O 9. Qc2 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} (9. a4 $11) 9... b5 $15 10. Rd1 Bb7 {[#]} 11. h4 $146 {Black is slightly better.} ({Predecessor:} 11. Bf4 Qb6 12. Rac1 Rfe8 13. h3 c5 14. d5 exd5 15. Nxd5 Bxd5 16. exd5 Bd6 17. Bxd6 Qxd6 {0-1 (28) Salman,P (2288)-Shinkevich,V (2467) Samara 2017}) 11... h6 12. Bf4 Qb6 13. b3 cxb3 $1 14. axb3 Rfe8 (14... a5 $17) 15. Nh2 Bf8 16. g4 ({White should try} 16. e5 $1 $15 Nd5 17. Qd3) 16... e5 $17 17. dxe5 Nxe5 18. Be3 c5 19. f3 (19. g5 $15 Nfg4 20. Nxg4 Nxg4 21. Bf4) 19... b4 20. Na4 Qc7 21. g5 hxg5 22. hxg5 Nh5 23. Nxc5 Rac8 {[%cal Rf8c5]} 24. Rac1 $1 {[#]} Bxc5 (24... Nf4 $1 $17 {Hoping for ...Bxc5.} 25. Bxf4 (25. Qf2 Nxg2) 25... Qxc5+ 26. Qxc5 Bxc5+ 27. Kh1 Ng6) 25. Qxc5 $14 Qxc5 26. Rxc5 Rxc5 27. Bxc5 a5 28. Bb6 Ra8 29. Bc7 Nc6 30. Bh3 a4 31. bxa4 Rxa4 32. Bg4 g6 {[#]} 33. Rb1 ({Better is} 33. Bd7 $1 $16) 33... Nd4 $11 34. Bd6 $36 {[%mdl 2048] White is more active.} b3 35. Bxh5 gxh5 36. Be5 Ne2+ (36... Bc8 $11 {remains equal.}) 37. Kf2 $16 Ra2 (37... Ra5 $16) 38. Ke3 $18 Ba6 39. Rxb3 {White threatens Rb8+ and mate.} Kf8 40. Rb6 {And now Bf6 would win.} Bc4 41. Bf6 {[%cal Rb6b8]} Ra3+ (41... Ke8 {might work better.} 42. Rd6 Ra8) 42. Kf2 {[%cal Rb6b8]} Ra8 43. Rc6 Bb5 44. Rc5 Ba6 {[#]} (44... Ra2 $16 45. Rc8+ Be8) 45. Be5 $1 Ke7 (45... Re8 {is a better defense.} 46. f4 h4) 46. Rc7+ Ke6 $2 (46... Ke8 47. Nf1 Bb5) 47. f4 Bd3 48. Nf3 {[%csl Ge4][%cal Rf4f5]} Bxe4 (48... Nxf4 $142 49. Bxf4 Bxe4 50. Nd4+ Kd5 51. Rd7+ (51. Rxf7 Kxd4 52. Rd7+ Bd5 $11) 51... Kc4) 49. Kxe2 Ra2+ 50. Ke3 {Weighted Error Value: White=0.18/Black=0.39} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.17"]
[Round "1.2"]
[White "Ringoir, Tanguy"]
[Black "Yip, Carissa"]
[Result "1/2-1/2"]
[WhiteElo "2474"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,20,31]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O a6 7. Re1 $1 {[%mdl 4] is more profitable than 7.a4 at the moment.} Nc6 {[#]} {Predecessor:} 8. d5 $146 {B08: Pirc Defence: Classical System.} Na7 9. a4 e5 10. Bg5 h6 11. Bh4 Bd7 12. Nd2 Nc8 13. Nc4 Ne7 14. a5 Nh7 15. f3 f5 {1-0 (46) Kramnik,V (2753)-Dubov,D (2702) Lichess.org INT 2020} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.3"]
[White "Mishra, Abhimanyu"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2370"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,33,14,22,11,29,23,27,22,30,20,37,12,20,16,22,20,53,67,51,30,38,31,96,14,23,28,25,30,34,19,25,0,0,1,13,6,36,43,49,10,108,95,112,64,65,66,74,70,101,81,85,9,9,9,9,9,16,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Nc6 $1 {[%mdl 4] is more profitable than 6...Bc8 at the moment. D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 7. Qxb7 Bd7 $1 {Black wants to play ...Rb8.} 8. Qb3 Rb8 {White has an edge.} 9. Qd1 e5 10. dxe5 Nxe5 11. Be2 (11. Nge2 {feels hotter.} Bc5 12. Nd4 O-O 13. Be2 Bb4 14. Bd2) 11... Bd6 12. Nf3 Nxf3+ 13. Bxf3 O-O 14. O-O $1 Qc7 15. h3 Rfd8 16. Qe2 Bh2+ 17. Kh1 Be5 $1 {[%cal Re5c3]} 18. Rd1 {[#]} ({Don't go for} 18. Nxd5 $2 Nxd5 19. Qe1 Nb4 $19) 18... Bc6 $146 ({Predecessor:} 18... Be6 19. Kg1 Bh2+ 20. Kh1 Be5 21. Kg1 Bh2+ {½-½ (21) Bluebaum,M (2519)-Feuerstack,A (2452) Lueneburg 2014}) 19. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Ne4 20. Nb5 Qe7 21. Ra3 h6 22. Kg1 g6 23. Ra2 Bxb5 24. axb5 Qc5 25. Ra4 Nf6 (25... Rdc8 $11 26. Bd2 Bxb2) 26. b4 $16 Qe7 27. Bb2 Bxb2 28. Qxb2 Rxb5 29. Qd4 Rd7 30. Rda1 Kg7 31. Rxa7 (31. Be2 $16 Rbb7 32. Bd3) 31... Rxa7 $11 {The position is equal.} 32. Rxa7 Qxb4 33. Qe5 Rb7 34. Ra6 (34. Rxb7 {looks sharper.} Qxb7 35. Qd4 Qb1+ 36. Bd1 Qa2 37. g4) 34... Qb1+ 35. Kh2 Qb2 36. Qxb2 Rxb2 37. Kg1 Rb1+ 38. Kh2 Rb2 {Weighted Error Value: White=0.11/Black=0.09} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.4"]
[White "Sinha, Sahil"]
[Black "Hilby, Craig"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2353"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,69,0,0,-4,-7,-43,-27,-37,-37,-61,65,-31,-35,-168,-164,-206,-214,-217,-91,-86,0,0,-12,-26,0,-33,9,22,107,97,83,95,321,278,29983,29984,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Be2 b6 9. O-O Bb7 10. Bb2 Qe7 11. Rad1 Rad8 12. Rfe1 Rfe8 13. h3 {D45: Semi-Slav: 5 e3.} c5 {[#] The old main line.} 14. Ba1 $146 ({Predecessor:} 14. cxd5 exd5 15. Nh4 Qe6 16. Nf5 Bf8 17. Ng3 a6 18. dxc5 bxc5 19. Na4 Bc6 20. Nc3 Bb7 21. Na4 Bc6 22. Nc3 Bb7 {½-½ (22) Kribben,M (2665)-Chytilek,R (2688) ICCF email 2017}) 14... a6 15. Qb2 {Black has an edge.} cxd4 16. exd4 Ne4 (16... Nh5 $15) 17. Nxe4 (17. c5 $1 $14 Bc7 18. c6 Bxc6 19. Nxe4) 17... dxe4 $15 18. Ne5 (18. d5 $1 $15 e5 19. Nh2) 18... Nxe5 $1 $19 19. dxe5 Bc5 {Threatens to win with ...Qg5.} 20. Bg4 g6 (20... a5 $19 {has better winning chances.} 21. Qe2 g6) 21. Rd6 $17 {Black must now prevent b4.} Qg5 (21... e3 $17 22. Rxe3 h5) 22. b4 $11 Bxd6 23. exd6 {[%csl Ga1][%cal Rb2h8]} e5 24. c5 f5 25. Bd1 f4 {[#]} (25... Kg7 $11 {keeps the balance.}) 26. Ba4 $1 $16 {And now c6 would win.} f3 {[%csl Gf3][%cal Rg5g2]} 27. g3 {Strongly threatening c6.} Qh5 $2 (27... b5 $16 {keeps fighting.} 28. Bc2 Qf5) 28. Bxe8 $18 Qxh3 $2 (28... Rxe8 $18 29. d7 Rd8 30. Qb3+ (30. Qxe5 Qxe5 31. Bxe5 bxc5 $11) (30. cxb6 {is a self mate.} Qxh3 31. Qb3+ Kf8 32. Qg8+ Kxg8 33. Bxe5 Qg2#) 30... Kf8) 29. Qb3+ {White mates.} Kg7 30. Bxe5+ ({Not} 30. Qf7+ $2 Kh6 $19) 30... Kh6 {[#]} 31. Bf4+ $1 g5 {[#]} 32. Bxg5+ $1 Kxg5 33. Qg8+ Kf6 34. Qf7+ Ke5 35. Qg7+ {Quite a comeback for White.  Weighted Error Value: White=0.17/Black=0.59} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "1.5"]
[White "Prohaszka, Peter"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2581"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,38,-4,26,0,4,-12,0,-4,0,-13,0,0,0,0,-12,-5,8,8,14,-19,8,4,23,0,6,-15,-12,-35,-43,-63,-70]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bg3 c5 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} O-O 7. c3 Qc7 8. dxc5 {The position is equal.} Qxc5 9. Bd3 Nbd7 10. e4 {[#] aiming for e5.} dxe4 11. Nxe4 Nxe4 12. Bxe4 Be7 {[#]} 13. Bd3 $146 ({Predecessor:} 13. Bc2 Nf6 14. Qe2 Bd7 15. a4 Bc6 16. O-O Qh5 17. Bd1 Rfd8 18. Nd4 Qxe2 19. Bxe2 {1-0 (64) Djordjevic,V (2347)-Stankovic,M (2455) Backa Palanka 2020}) 13... Nf6 14. Qc2 Bd7 15. O-O Rfd8 16. b4 Qc8 17. Ne5 Be8 18. Rfd1 h6 19. Bh4 Qc7 {Weighted Error Value: White=0.13/Black=0.07} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.1"]
[White "Belous, Vladimir"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2521"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,11,19,6,12,14,14,18,14,12,19,25,22,8,13,-2,32,31,19,0,8,22,7,16,16,15,29,35,24,21,43,36,29,0,0,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 d5 5. cxd5 Qxd5 6. Nc2 {A20: English Opening: 1...e5.} Nf6 7. Nc3 Qe5 8. Bg2 Be7 9. Ne3 Na6 {[%cal Bb8a6,Ba6b4,Bb4d5,Bd5e3][%mdl 32]} 10. Qc2 Nb4 11. Qb1 {[%cal Rc3e4]} Be6 {[#]} 12. O-O $146 ({Predecessor:} 12. b3 Nbd5 13. Bb2 Nxe3 14. fxe3 Bf5 15. O-O Qe6 16. Rf4 Bd6 17. Rxf5 Qxf5 18. Nxe4 Nxe4 19. Bxe4 {½-½ (59) Hammer,J (2651)-Navara,D (2742) Novy Bor 2016}) 12... h5 13. a3 Nbd5 14. Nxe4 Nxe3 15. d4 Qxd4 16. Bxe3 Qe5 17. Bf4 Qf5 18. Nd6+ Bxd6 19. Bxd6 h4 20. Qxf5 Bxf5 21. gxh4 Rxh4 {The position is equal.} 22. Rfd1 Bc2 23. Rdc1 Be4 24. f3 Bf5 25. b4 a6 26. Rd1 Bh3 27. e4 Bxg2 28. Kxg2 Rh5 29. Rd2 Rd8 30. Rad1 a5 31. Rd4 (31. Kg3 {is more complex.} axb4 32. axb4 Rg5+ 33. Kf4 Rb5 34. Kg3) 31... axb4 32. axb4 Nd5 {[#] aiming for ...Ne3+.} 33. exd5 Rxd6 34. dxc6 Rxd4 35. Rxd4 {c7 would kill now.} bxc6 {Weighted Error Value: White=0.03/Black=0.03} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.2"]
[White "Hilby, Craig"]
[Black "Prohaszka, Peter"]
[Result "1/2-1/2"]
[ECO "D17"]
[WhiteElo "2454"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,17,22,13,11,9,10,15,14,16,16,19,16,0,0,-12,-7,-22,17,20,45,19,15,0,0,0,0,0,0,-22,0,0,0,0,-4,-16,-15,-14,0,-16,-14,-73,-57,-51,0,0,0,0,0,-43,-33,-43,-43]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Nb6 8. Ne5 a5 9. h4 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} h6 10. f3 Nfd7 11. e4 {The position is equal.} Bh7 12. Nd3 e6 13. Be3 Bd6 14. Qb3 Bg3+ {[#]} 15. Ke2 $146 ({Predecessor:} 15. Nf2 O-O 16. O-O-O Bxf2 17. Bxf2 Qe7 18. Bd3 Rac8 19. Bc2 Qd6 20. Kb1 Qc7 21. g4 {1-0 (38) Parligras,M (2586)-Das,S (2411) Al Ain 2015}) 15... O-O 16. f4 Kh8 17. h5 Rb8 18. Kf3 Bh4 19. Be2 Nc8 {[%cal Bb6c8,Bc8d6,Bd6e8,Be8c7,Bc7a6][%mdl 32]} 20. g3 Be7 21. Rhd1 Nd6 22. e5 (22. Bf2 {is interesting.} b5 23. e5 Nf5 24. axb5 cxb5 25. Nxb5 Qc8 26. Rxa5 Nb6 27. Na7) 22... Ne8 (22... Nf5 {looks sharper.} 23. Bf2 Rg8 24. Kg2 Nb6 25. Ne1 g5) 23. Rac1 Nc7 24. Kf2 Na6 25. Na2 Be4 26. Nc3 Bh7 27. Na2 Nb6 28. Kf1 (28. Nc3 $11 {keeps the balance.}) 28... Nd5 $17 29. Bf2 Qc7 ({Black should try} 29... g5 $15) 30. Nc3 $11 Qd7 31. Nxd5 exd5 32. g4 f5 33. exf6 $1 Bxf6 {Weighted Error Value: White=0.10/Black=0.06} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.3"]
[White "Ostrovskiy, Aleksandr"]
[Black "Sinha, Sahil"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2431"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,10,19,16,20,25,22,14,31,29,23,12,17,20,33,37,68,41,62,33,31,38,62,65,62,61,131,22,2,0,13,-13,-17,-5,0]} 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.} b6 7. d4 cxd4 8. Qxd4 Bb7 9. O-O e6 10. Rd1 Qc7 11. Be3 Be7 12. Nd2 $1 {[#]} d5 $146 ({Predecessor:} 12... O-O 13. Nc4 d5 14. exd5 Nxd5 15. Nxd5 Bxd5 16. Bf4 Qb7 17. Nd6 Bxd6 18. Bxd6 Rfc8 {1-0 (42) Carlsen,M (2863)-Wei,Y (2732) chess24.com INT 2020}) 13. exd5 Bc5 14. Qf4 Bd6 15. Qh4 {Strongly threatening dxe6.} Nxd5 16. Nxd5 Bxd5 17. Nc4 Bc5 (17... Be7 $14 18. Qg3 Qxg3 19. hxg3 (19. fxg3 Rc8 $11) 19... Bc5) 18. Qf4 (18. Bf4 $16 Qc6 19. Qg3) 18... Qxf4 $11 {The position is equal.} 19. Bxf4 Ke7 20. Ne5 Nxe5 21. Bxe5 Rhd8 {Weighted Error Value: White=0.19/Black=0.09} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.4"]
[White "Yip, Carissa"]
[Black "Mishra, Abhimanyu"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2423"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,101,26,39,0,1,15,1,0,0,0,0,0,5,6,0,-17,-10,-27,-29,-17,-22,-10,-7,-66,25,0,-18,-5,0,-5,0,0,0,0,0,-201,0,-195,-208,-336,-337,-410,-239,-227,-178,-162,-122,-125,-121,-105,71,76,105,0,1543,67,249,278,287,222,198,118,115,116,129,125,29970,29971,29971,29972,29974,29975,29975,29976,29975,29976,29975,29976,29979,29974,29973,29974,29966,6474,29977,29979,29978,29971,29993,29987,29987,29988,29987,29979]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} e5 7. Nb3 Be7 8. Bg5 {The position is equal.} Be6 {8...Be6 scores better than 8...Nbd7.} 9. Bxf6 Bxf6 10. g3 Be7 11. Bh3 O-O 12. Bxe6 fxe6 13. Qg4 Rf6 14. O-O-O Nc6 15. f4 b5 16. a3 {[#]} (16. Kb1 $11) 16... Qf8 $146 ({Better is} 16... Qb6 $1 $15) ({Predecessor:} 16... Qc8 17. Rhf1 b4 18. axb4 Nxb4 19. fxe5 dxe5 20. Rxf6 Bxf6 21. Rd6 Kf7 22. Qd1 Ra7 {½-½ (32) Yip,C (2279)-Huang,Q (2441) Astana 2019}) 17. Rhf1 Rb8 18. Qh3 a5 {[%cal Re5f4]} 19. f5 a4 20. Nd2 b4 21. axb4 Nxb4 22. Ndb1 $2 (22. fxe6 $11 Qc8 23. Ndb1) 22... Qc8 $2 (22... d5 $1 $19 {[%cal Rd5d4] Threatens to win with ...d4.} 23. g4 dxe4) 23. g4 $2 (23. fxe6 $11 {and White has nothing to worry.} Qc4 24. Rxf6 Bxf6 25. Rxd6) 23... Rh6 $19 24. Qe3 (24. Qg2 $142 Rxh4 25. g5 exf5 26. exf5) 24... Rxh4 25. g5 Rh2 (25... exf5 $142 26. Rxf5 Qb7) 26. Rd2 Qc4 27. Rg1 Na2+ 28. Nxa2 Rxd2 29. Kxd2 {aiming for f6.} Qxa2 $2 (29... d5 $1 $17 {[%cal Rd5e4] keeps the pressure on.} 30. Qc3 Qxa2 31. Qxe5 Qxb2 32. Qxb2 (32. Qxe6+ $2 Kh8 $19) 32... Rxb2) 30. f6 $1 $16 {Black must now prevent Na3.} Bf8 ({Of course not} 30... Rxb2 31. Na3 $11) 31. Na3 ({Much weaker is} 31. f7+ $6 Kh8 $11) (31. g6 $1 $16 Rxb2 32. Na3) 31... Rc8 $2 {[%mdl 8192]} (31... Qxb2 $2 32. Rb1 $18) (31... Rb7 $11 32. fxg7 Bxg7) 32. Qh3 $2 (32. Qb6 $1 $18) 32... Rc7 $2 (32... Kh8 $1 $14) 33. g6 $1 $18 hxg6 {[#]} 34. Rh1 $1 {White wants to mate with Qh8+.} Qxb2 {[#] And now ...Kf7 would win.} 35. Qh7+ ({White should try} 35. Qh8+ $1 $18 Kf7 36. fxg7 Qb4+ 37. Kd1 Qd4+ 38. Kc1 Qe3+ 39. Kb1 Rb7+ 40. Ka2 Bxg7 41. Rf1+ Qf4 42. Qh1) 35... Kf7 $16 36. fxg7 $40 {[%mdl 128] Intending Rf1+ and mate. White wants a kill.} Qb4+ ({But not} 36... Bxg7 $2 37. Rf1+ Ke8 38. Qg8+ Kd7 39. Rf7+ Kc6 40. Qa8+ Qb7 41. Qxa4+ Kb6 42. Qb3+ Kc6 43. Qa4+ Kb6 44. Nc4+ Kc5 45. Qa3+ Qb4+ 46. Qxb4+ Kxb4 47. Rxc7 $18) 37. Kd1 {Rf1+ would kill now.} Bxg7 $2 {[%mdl 8192]} (37... Qd4+ $16 38. Kc1 Qa1+ 39. Nb1 Bxg7) 38. Rf1+ Ke8 39. Qg8+ {[%mdl 64] Double Attack} Kd7 40. Rf7+ {[%mdl 64] Double Attack} Kc6 41. Qa8+ Qb7 42. Qxa4+ Kb6 43. Rf3 Rc6 44. Rb3+ {[%mdl 64] Skewer} Kc7 45. Rxb7+ Kxb7 46. Qb3+ {[%mdl 64] Double Attack} Rb6 47. Qxe6 {White mates.} Bh6 48. Nc4 Rc6 49. Na5+ Kb6 50. Nxc6 Kxc6 51. Qxg6 {Weighted Error Value: White=0.42/Black=0.45} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.18"]
[Round "2.5"]
[White "Wang, Kevin"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "C29"]
[WhiteElo "2402"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,46,-29,-23,-18,0,-11,-5,-19,-20,-12,0,-12,-19,-82,-79,-81,-71,-89,-70,-71,-71,-90,-14,-89,-104,-164,-159,-166,-114,-137,0,-136,0,-152,0]} 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f5 6. d3 Nxc3 7. bxc3 d4 $1 8. Qg3 {C29: Vienna Game: 2...Nf6 3 f4.} Nc6 9. Be2 $1 {[%cal Re2h5] Black must now prevent Bh5+.} Be6 (9... dxc3 10. Bh5+ Kd7 11. Bf7 $18) 10. Bf3 {The position is equal.} Qd7 11. Ne2 Bc5 {[#]} 12. Bxc6 $146 ({Predecessor:} 12. c4 O-O 13. Nf4 Nxe5 14. Bxb7 Rae8 15. O-O c6 16. Rb1 Bf7 17. Ba6 Ng4 18. Rb7 {0-1 (27) White,A (1800)-Sapronov,V (1984) IECG email 2003}) 12... Qxc6 13. O-O ({Avoid the trap} 13. Nxd4 $2 Bxd4 14. Bd2 Bxc3 $19) (13. c4 $11 {remains equal.}) 13... dxc3+ $17 14. Be3 {[#]} O-O-O $1 15. Qf2 Bxe3 16. Qxe3 Kb8 17. a4 Bc8 (17... Rhe8 $17) 18. Ra3 (18. Nd4 $11 Qb6 19. Nxf5) 18... Rhe8 19. Rxc3 (19. d4 $17) 19... Qxa4 $19 20. Rc4 {[#]} Qa5 (20... Qb5 $1 $19 21. Ra1 a6) 21. Rc5 Qa4 22. Rc4 Qa5 23. Rc5 Qa4 $2 {Weighted Error Value: White=0.19/Black=0.27} (23... Qa3 $17 24. Rc3 Qe7) 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.1"]
[White "Mishra, Abhimanyu"]
[Black "Belous, Vladimir"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2370"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,37,36,42,42,44,45,56,33,37,58,41,49,58,62,59,35,184,175,262,266,261,254,256,259,264,252,488,495,671,649]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 {A58: Benko/Volga Gambit: Lines with 5 bxa6.} Bg7 7. e4 {a7 is the strong threat.} O-O 8. Bc4 {[#] White is slightly better.} Qa5 $146 ({Predecessor:} 8... Bxa6 9. Bxa6 Nxa6 10. Nge2 Qb6 11. O-O d6 12. Kh1 Rfb8 13. Ng3 Kh8 14. f3 Nc7 {1-0 (52) Kurajan,R-Vasilenko,D (2348) Nikolaev 2001}) 9. a7 Rxa7 10. Bd2 {Strongly threatening e5.} Ba6 11. b3 $36 {[%mdl 2048] White has the initiative.} Bxc4 12. bxc4 {aiming for e5.} Qb4 {[#] Black cannot hold the game after this.} (12... Qa6 $14) 13. e5 $1 $18 {[%cal Re5f6]} Nh5 (13... Ne4 $142 14. Nxe4 {[%mdl 64] Discovered Attack} Qxc4) 14. Nb5 {[%mdl 64] Discovered Attack} Qxc4 15. Nxa7 Bxe5 16. Rc1 Qxa2 {[#]} 17. Nf3 $1 Bb2 {[#]} (17... Bg7 {might work better.} 18. Nb5 (18. Rxc5 Qxa7 19. Ra5 Qb7 $18) 18... Qxd5) 18. Rc2 $1 Qb3 (18... Qxa7 19. Rxb2) 19. Qb1 {Weighted Error Value: White=0.02/Black=0.47} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.2"]
[White "Ringoir, Tanguy"]
[Black "Wang, Kevin"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2474"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,156,-4,18,13,35,32,33,27,40,40,34,41,55,45,42,49,77,75,73,60,77,74,97,10,2,29,83,33,25,37,70,76,66,70,66,79,113,59,85,85,81,63,56,53,153,88,87,89,70,74,73,73,85,71,109,97,81,81,79,55,66,62,71,56,145,140,143,124,163,83,130,94,90,56,40,52,66,57,72,66,486,472,438,441,973,925,847,854,1112,996,29988,29989,29989,29958,29955,29958,12843,12647,29950,6191,29963,29959,29967,29966,29969,29969,12811,6091,5240,4134,4134,1690,29986,29981,29987,29981,29985,29979,29981,29982,29982,29983,29983,29984,29982,29983,29988,29989,29989,29989,29989,29990,29990,29989,29989,29989,29989,29990,29991,29992,29994,29995,29996,29997,29997,29998,29998,29999,29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 6. Nc3 {E01: Catalan: Early deviations.} c6 7. Qc2 O-O 8. e4 {White is slightly better.} dxe4 9. Nxe4 Nxe4 10. Qxe4 c5 11. Bc3 cxd4 12. Nxd4 {[#]} Qe7 $146 ({Predecessor:} 12... f5 13. Qe3 f4 14. Qe4 Na6 15. O-O-O Nc5 16. Qc2 Qe7 17. b4 Na6 18. c5 Bc7 {1-0 (34) Vorobiov,E (2578)-Zhuravlev,S (2182) Pardubice 2019}) 13. O-O-O $1 Nd7 14. Bd3 {[%csl Gd3][%cal Re4h7]} g6 15. Bc2 Bb4 16. Nb5 (16. Bxb4 $1 $16 Qxb4 17. Nb5) 16... Bxc3 $11 17. Nxc3 Nb6 (17... Nf6 $1 $11 18. Qh4 b6) 18. Rd4 e5 {[#]} 19. f4 $1 $36 {[%mdl 2048] White is pushing.} Re8 (19... f6 20. fxe5) 20. Qxe5 Qxe5 21. fxe5 Rxe5 22. Be4 Kg7 23. b3 (23. Rhd1 $16) 23... Nd7 24. Bg2 Nc5 25. Rd8 Re7 $1 26. Bd5 a5 {[#]} ({Black should play} 26... Rb8 $14) 27. Kd2 (27. Rd1 $142 $1) 27... Rd7 $16 28. Re8 b6 29. Kc1 Rb8 30. Rd1 Na6 31. Nb5 Bb7 32. Rxb8 Nxb8 33. Bxb7 Rxb7 {[%mdl 4096] Endgame KRN-KRN} 34. Rd6 Nd7 35. Nc3 Ne5 36. Kc2 f5 {[#]} (36... Ng4 $1 $14) 37. Nd5 $1 g5 38. Rxb6 Rf7 39. Kd1 (39. Rb5 $18) 39... f4 40. gxf4 gxf4 41. Re6 Ng4 42. h3 Nf2+ 43. Ke1 Nxh3 44. Re5 {Threatens to win with Rh5.} Kg6 {[%mdl 8192] Loses the game.} (44... f3 $1 $14) 45. c5 $18 Ng5 {aiming for ...Nf3+.} 46. Kf2 f3 (46... Rf8 $142 47. c6 Nf7) 47. c6 Nh3+ 48. Kf1 Kh6 49. c7 Rg7 50. Re6+ Kh5 {[#]} 51. Nf4+ $1 {[%mdl 576] Promotion} Nxf4 52. c8=Q Nxe6 53. Qxe6 {KQ-KR} Rg5 54. Qf7+ (54. Kf2 $142 h6 55. Kxf3 Rg7 56. Kf4 Rg5 57. Qe8+ Kh4 58. Qe2 Kh3 59. Qe6+ Kg2 60. Qxh6) 54... Kg4 55. Kf2 Rf5 56. Qxh7 Re5 57. Qg7+ Kf4 58. Qg3+ Ke4 59. Qxf3+ Kd4 60. Qf4+ Re4 61. Qd6+ {White mates.} Kc3 62. Qc5+ Kd3 63. Qxa5 Re2+ 64. Kf3 Re3+ 65. Kf4 Re4+ 66. Kf5 Rd4 67. a4 Re4 68. Qb5+ Ke3 {[#]} 69. Qe2+ $3 {[%mdl 576] Deflection} Kxe2 70. Kxe4 {KP-KP} Kd2 71. Kd4 Kc2 72. Kc4 Kb2 73. a5 Kb1 74. a6 Kb2 75. a7 Kb1 76. Kc3 Kc1 77. a8=Q {[%cal Ra8h1]} Kb1 78. b4 Kc1 79. Qa1# {Weighted Error Value: White=0.13/Black=0.67} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.3"]
[White "Sinha, Sahil"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "2353"]
[BlackElo "2423"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. e4 {[%emt 0:00:04]} d6 {[%emt 0:00:00]} 5. Be2 {[%emt 0:00:12]} O-O {[%emt 0:00:00]} 6. Nf3 {[%emt 0:00:07]} e5 {[%emt 0:00:05]} 7. O-O {[%emt 0:00:09]} Nc6 {[%emt 0:00:02]} 8. d5 {[%emt 0:00:07]} Ne7 {[%emt 0:00:05]} 9. Ne1 {[%emt 0:00:03]} Ne8 {[%emt 0:00:17]} 10. Be3 {[%emt 0:00:18]} f5 {[%emt 0:00:05]} 11. f3 {[%emt 0:00:04]} f4 {[%emt 0:00:03]} 12. Bf2 {[%emt 0:00:07]} g5 {[%emt 0:00:04]} 13. c5 {[%emt 0:00:10]} h5 {[%emt 0:00:28]} 14. a4 {[%emt 0:00:33]} Rf6 {[%emt 0:00:21]} 15. cxd6 {[%emt 0:02:04]} Nxd6 {[%emt 0:04:15]} 16. Nb5 {[%emt 0:01:16]} Rg6 {[%emt 0:01:11]} 17. Rc1 {[%emt 0:05:12]} Nxb5 {[%emt 0:02:58]} 18. axb5 {[%emt 0:00:05]} Bd7 {[%emt 0:02:11]} 19. Nd3 {[%emt 0:04:04]} b6 {[%emt 0:05:51]} 20. Qc2 {[%emt 0:03:23]} Rc8 {[%emt 0:00:54]} 21. Ra1 {[%emt 0:03:57]} g4 {[%emt 0:11:32]} 22. Bh4 {[%emt 0:01:05]} Qf8 {[%emt 0:09:59]} 23. Qc3 {[%emt 0:16:13]} Kh7 {[%emt 0:17:48]} 24. Nxe5 {[%emt 0:08:48]} Qh8 {[%emt 0:03:01]} 25. Nxg6 {[%emt 0:01:07]} Nxg6 {[%emt 0:00:05]} 26. Qe1 {[%emt 0:00:03]} g3 {[%emt 0:00:41]} 27. hxg3 {[%emt 0:06:05]} Nxh4 {[%emt 0:00:06]} 28. gxh4 {[%emt 0:00:05]} Bd4+ {[%emt 0:03:14]} 29. Rf2 {[%emt 0:01:17]} Be3 {[%emt 0:11:44]} 30. Qc3 {[%emt 0:10:11]} Qd8 {[%emt 0:00:27]} 31. e5 {[%emt 0:04:30]} Qxh4 {[%emt 0:02:40]} 32. Bd3+ {[%emt 0:02:00]} Kh6 {[%emt 0:07:39]} 33. Raf1 {[%emt 0:03:27]} Rg8 {[%emt 0:00:48]} 34. Qxc7 {[%emt 0:08:33]} Qe7 {[%emt 0:09:16]} 35. Bf5 {[%emt 0:03:11]} Rxg2+ {[%emt 0:02:38]} 36. Kxg2 {[%emt 0:01:30]} Qg5+ {[%emt 0:01:02]} 37. Kh1 {[%emt 0:00:34]} Bxf5 {[%emt 0:02:14]} 38. Rg1 {[%emt 0:03:22]} Bg4 {[%emt 0:00:05]} 39. Rxg4 {[%emt 0:00:45]} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.4"]
[White "Prohaszka, Peter"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2581"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,93,38,39,36,8,14,7,32,0,0,0,0,0,0,0,9,15,17,25,48,25,24,29,31,22,67,29,145,143,133,129,140,122,114,101,138,127,153,155,166,129,156,129,161,106,185,127,135,140,186,179,413,428,422,422,502,499,859,829,882,876,825,714,673,596,592,579,547,492,483,462,470,447,556,552]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Bb5 Bd7 7. Nc3 a6 8. Bd3 Bg4 9. Nge2 e6 10. Rc1 Be7 11. O-O O-O {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} 12. a3 {12.f3 is setting a new trend.} Rc8 13. Na4 Nd7 {The position is equal.} 14. f3 Bh5 15. b4 Bg6 16. Bg3 Re8 17. Nf4 Bg5 18. Re1 Bxf4 19. Bxf4 e5 20. dxe5 Bxd3 21. Qxd3 Ndxe5 22. Bxe5 Rxe5 23. Nc5 {[#]} Qe7 $146 {[#]} (23... Re7 $1 $11) ({Predecessor:} 23... Re7 24. Rcd1 Qe8 25. Qxd5 Rd8 26. Qg5 h6 27. Rxd8 Qxd8 28. Qg3 Qd2 29. e4 Ne5 30. f4 Nc4 {½-½ (42) Bellia,F (2416)-Sanchez,J (2531) Arvier 2013}) 24. f4 $1 $36 {[%cal Rf4e5][%mdl 2048] Keeping Black busy.} Rh5 25. e4 d4 26. e5 Rh6 27. Re2 Rd8 28. Ne4 Qh4 29. g3 Qe7 30. Rf1 Rg6 31. Nc5 Rh6 32. Rc1 (32. Rfe1 $18) 32... Kf8 (32... g5 $16) 33. Qe4 ({White should play} 33. Rce1 $18) 33... d3 34. Rd2 Rd4 35. Qe3 Rhd6 $2 {[#]} (35... g5 {is a better defense.}) 36. Nxb7 $1 $18 {[%mdl 512]} R6d5 {White is clearly winning.} 37. Nc5 {[%mdl 64] Double Attack} ({Less strong is} 37. Rxc6 Qxb7 38. Rc3 Qd7 $16) 37... f5 38. Qf3 Qa7 (38... Qe8 $142 39. Nxa6 Qd7) 39. Ne6+ Ke7 40. Nxd4 Qxd4+ 41. Qf2 Kd7 42. Qxd4 Nxd4 43. Kf2 Nb3 44. Rcd1 Nxd2 45. Rxd2 Rd4 46. Ke3 Re4+ 47. Kxd3 {Weighted Error Value: White=0.14/Black=0.34} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "3.5"]
[White "Gauri, Shankar"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2353"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,39,22,21,21,38,31,38,44,39,31,52,15,29,27,29,35,38,37,38,34,43,31,110,103,90,54]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bd3 Nf6 5. O-O O-O 6. c3 Nbd7 7. Re1 e5 8. Nbd2 Re8 {8...b6 is the modern continuation.} 9. h3 {B07: Pirc Defence: Miscellaneous Systems.} c6 10. a4 a5 11. Nc4 {White is slightly better.} Qc7 12. dxe5 dxe5 13. Bf1 Nc5 14. Qc2 {[#]} b5 $146 ({Predecessor:} 14... Nh5 15. b4 axb4 16. cxb4 Ne6 17. Bb2 Nd4 18. Nxd4 exd4 19. Rad1 b5 20. Na5 c5 21. Bxb5 {0-1 (56) Girya,O (2446)-Bodnaruk,A (2463) Sochi 2016}) 15. axb5 cxb5 16. Na3 Bb7 {[%cal Rb7e4]} 17. Nxb5 Qc6 {[%cal Rf6e4]} 18. b4 Ncxe4 (18... axb4 $14 19. Rxa8 Bxa8) 19. bxa5 Ba6 20. Rb1 {Weighted Error Value: White=0.04/Black=0.15} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.1"]
[White "Belous, Vladimir"]
[Black "Sinha, Sahil"]
[Result "1-0"]
[ECO "E49"]
[WhiteElo "2521"]
[BlackElo "2353"]
[Annotator "RC"]
[PlyCount "61"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:29]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:00]} Bb4 {[%emt 0:00:31]} 4. f3 {[%emt 0:00:13]} d5 {[%emt 0:01:17]} 5. a3 {[%emt 0:00:06]} Bxc3+ {[%emt 0:01:20]} 6. bxc3 {[%emt 0:00:02]} O-O {[%emt 0:01:32]} 7. cxd5 {[%emt 0:01:58]} exd5 {[%emt 0:00:12]} 8. e3 {[%emt 0:00:27]} c5 {[%emt 0:00:39]} 9. Bd3 {[%emt 0:00:26]} b6 {[%emt 0:00:40]} 10. Ne2 {[%emt 0:00:13]} Ba6 {[%emt 0:00:51]} 11. Bxa6 {[%emt 0:00:12]} Nxa6 {[%emt 0:00:05]} 12. O-O {[%emt 0:00:04]} Re8 {[%emt 0:02:00]} 13. Ng3 {[%emt 0:00:33]} Nc7 {[%emt 0:02:56]} 14. Ra2 {[%emt 0:06:52]} Qd7 {[%emt 0:02:51]} 15. Raf2 {[%emt 0:06:48]} h5 {[%emt 0:05:07]} 16. e4 {[%emt 0:03:45]} g6 {[%emt 0:04:54]} 17. e5 {[%emt 0:05:58]} h4 {[%emt 0:00:49]} 18. exf6 {[%emt 0:02:15]} hxg3 {[%emt 0:00:12]} 19. hxg3 {[%emt 0:00:02]} Re6 {[%emt 0:22:43]} 20. Bg5 {[%emt 0:03:17]} Nb5 {[%emt 0:50:45]} 21. f4 {[%emt 0:07:20]} Re4 {[%emt 0:00:00]} 22. f5 {[%emt 0:03:47]} Nxc3 {[%emt 0:00:00]} 23. Qd3 {[%emt 0:01:06]} cxd4 {[%emt 0:00:00]} 24. g4 {[%emt 0:00:08]} Qe8 {[%emt 0:00:00]} 25. fxg6 {[%emt 0:01:26]} Re3 {[%emt 0:00:00]} 26. gxf7+ {[%emt 0:01:13]} Qxf7 {[%emt 0:00:00]} 27. Bxe3 {[%emt 0:00:07]} dxe3 {[%emt 0:00:00]} 28. Qxe3 {[%emt 0:00:27]} Ne4 {[%emt 0:00:00]} 29. Rf5 {[%emt 0:00:13]} Rc8 {[%emt 0:00:53]} 30. Qh6 {[%emt 0:00:29]} Rc6 {[%emt 0:01:25]} 31. Rh5 {[%emt 0:00:19]} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.2"]
[White "Ostrovskiy, Aleksandr"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2431"]
[BlackElo "2353"]
[Annotator "NA"]
[PlyCount "44"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:07:24]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:00]} g6 {[%emt 0:00:28]} 4. d4 {[%emt 0:07:04]} exd4 {[%emt 0:02:27]} 5. Bg5 {[%emt 0:00:27]} Be7 {[%emt 0:00:44]} 6. Bxe7 {[%emt 0:00:19]} Qxe7 {[%emt 0:00:23]} 7. Bxc6 {[%emt 0:00:05]} dxc6 {[%emt 0:00:27]} 8. Qxd4 {[%emt 0:00:05]} Nf6 {[%emt 0:01:22]} 9. Nc3 {[%emt 0:00:11]} Bg4 {[%emt 0:26:50]} 10. Nd2 {[%emt 0:08:16]} c5 {[%emt 0:10:26]} 11. Qe3 {[%emt 0:01:30]} O-O-O {[%emt 0:01:14]} 12. f3 {[%emt 0:08:01]} Bd7 {[%emt 0:07:36]} 13. O-O-O {[%emt 0:02:11]} Bc6 {[%emt 0:05:56]} 14. Nc4 {[%emt 0:14:34]} b6 {[%emt 0:01:09]} 15. Qg5 {[%emt 0:03:31]} Qe6 {[%emt 0:06:59]} 16. Qe5 {[%emt 0:17:49]} Rde8 {[%emt 0:03:47]} 17. Qxe6+ {[%emt 0:00:35]} Rxe6 {[%emt 0:00:02]} 18. Ne3 {[%emt 0:08:31]} Rhe8 {[%emt 0:04:57]} 19. Ned5 {[%emt 0:09:39]} h5 {[%emt 0:03:46]} 20. Nxf6 {[%emt 0:00:39]} Rxf6 {[%emt 0:00:02]} 21. h4 {[%emt 0:01:14]} Rfe6 {[%emt 0:00:47]} 22. Rh3 {[%emt 0:07:18]} Rd6 {[%emt 0:07:05]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.3"]
[White "Yip, Carissa"]
[Black "Prohaszka, Peter"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2423"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,37,4,42,24,34,24,30,17,15,10,21,8,51,32,40,30,32,19,39,50,53,42,48,52,56,52,46,33,56,29,38,15,60,66,81,83,88,50,54,76,112,98,116,81,83,84,93,58,80,59,66,51,62,77,68,68,107,89,110,108,104,109,108,105,358,373,690,668,1558,1522,1719,1646,1365,1411,29977,29978,29997,29998]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O Nd7 {6...Ng6 is a critical line.} 7. Nbd2 Nc8 {B12: Caro-Kann: Advance Variation.} 8. Nb3 Be7 9. c3 O-O {White has an edge.} 10. Ne1 f6 {[#]} 11. f4 $146 ({Predecessor:} 11. g4 Bg6 12. f4 f5 13. g5 c5 14. a4 cxd4 15. Nxd4 Bc5 16. b4 Bxd4+ 17. Qxd4 {1-0 (41) Hammer,J (2621)-Elsness,F (2477) Norway 2018}) 11... Ncb6 12. Nd3 Be4 13. Nf2 Bg6 14. Bg4 f5 15. Be2 c5 16. dxc5 Nxc5 17. Nd4 {aiming for b4.} Qc8 18. b3 Ne4 19. Bb2 Bc5 20. Rc1 Rd8 21. Kh1 Qd7 22. Nd3 Bxd4 23. cxd4 Rac8 24. Nc5 Qf7 25. a4 Na8 26. Ba3 a6 27. Qe1 Rc7 28. Qb4 h6 29. Kg1 Kh7 30. Rfd1 (30. a5 {looks sharper.} Rdc8 31. Bd3 Bh5 32. Rc2 Rc6 33. Bb2) 30... Nxc5 31. Rxc5 Rxc5 32. Qxc5 Bh5 33. Bxh5 Qxh5 34. Rf1 (34. Ra1 {seems wilder.} Re8 35. Kh1 g5 36. Qb4 Qf7 37. Kg1) 34... Re8 35. Qc2 Qg4 36. h3 $36 {[%mdl 2048] Black is under strong pressure.} Qg3 37. Rf3 Qe1+ 38. Kh2 Qe4 $2 {[%mdl 8192] [#] A mistake that costs the game.} (38... Qh4 $16) 39. Qc5 $18 Qe2 $2 (39... Rg8 40. Qe7 Qxd4 41. Qxe6 Qe4) 40. Qa7 Qd2 41. Qxb7 Qxd4 42. Qf7 {[#] White wants to mate with Rg3.} Rg8 43. Bf8 Nc7 44. Rg3 Qxf4 45. Qg6+ {Weighted Error Value: White=0.08/Black=0.50} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.4"]
[White "Wang, Kevin"]
[Black "Hilby, Craig"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "2402"]
[BlackElo "2454"]
[Annotator "RC"]
[PlyCount "154"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bc4 {[%emt 0:00:41]} Nf6 {[%emt 0:00:00]} 4. d3 {[%emt 0:00:37]} h6 {[%emt 0:00:17]} 5. c3 {[%emt 0:01:01]} d6 {[%emt 0:00:29]} 6. Nbd2 {[%emt 0:01:19]} g5 {[%emt 0:07:16]} 7. h4 {[%emt 0:01:33]} g4 {[%emt 0:01:19]} 8. Nh2 {[%emt 0:00:35]} h5 {[%emt 1:24:39]} 9. Qb3 {[%emt 1:28:44]} Rh7 {[%emt 0:00:00]} 10. Nhf1 {[%emt 0:00:00]} Na5 {[%emt 0:00:00]} 11. Qc2 {[%emt 0:01:00]} Nxc4 {[%emt 0:00:00]} 12. Nxc4 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 13. Ng3 {[%emt 0:01:00]} Bxc4 {[%emt 0:00:00]} 14. dxc4 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 15. Bg5 {[%emt 0:00:00]} Ng8 {[%emt 0:00:00]} 16. O-O-O {[%emt 0:00:00]} Qc6 {[%emt 0:04:00]} 17. Qe2 {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 18. Be3 {[%emt 0:00:00]} Ne7 {[%emt 0:01:00]} 19. f3 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 20. Bxh6 {[%emt 0:00:00]} Rxh6 {[%emt 0:00:00]} 21. fxg4 {[%emt 0:00:00]} hxg4 {[%emt 0:00:00]} 22. b3 {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 23. Qxg4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 24. c5 {[%emt 0:00:00]} Qxc5 {[%emt 0:00:00]} 25. Rd3 {[%emt 0:00:00]} Rg8 {[%emt 0:00:00]} 26. Qd7 {[%emt 0:00:00]} Qc6 {[%emt 0:00:00]} 27. Qh3 {[%emt 0:00:00]} b4 {[%emt 0:02:12]} 28. c4 {[%emt 0:00:00]} Ke8 {[%emt 0:02:48]} 29. Rf1 {[%emt 0:00:05]} Qd7 {[%emt 0:00:00]} 30. Nf5 {[%emt 0:02:51]} Nxf5 {[%emt 0:00:00]} 31. Rxf5 {[%emt 0:00:37]} Qg7 {[%emt 0:00:15]} 32. g3 {[%emt 0:04:07]} Rg6 {[%emt 0:01:45]} 33. Rf2 {[%emt 0:00:41]} Ke7 {[%emt 0:00:30]} 34. Qf5 {[%emt 0:02:09]} Rxg3 {[%emt 0:00:00]} 35. Rxg3 {[%emt 0:00:00]} Qxg3 {[%emt 0:01:00]} 36. Qxf6+ {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 37. Qf7+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 38. Rf1 {[%emt 0:00:16]} Qc3+ {[%emt 0:00:46]} 39. Kb1 {[%emt 0:00:14]} Qd3+ {[%emt 0:00:05]} 40. Kc1 {[%emt 0:00:11]} Qe3+ {[%emt 0:00:53]} 41. Kb1 {[%emt 0:01:01]} Qxe4+ {[%emt 0:00:07]} 42. Ka1 {[%emt 0:00:00]} Qd4+ {[%emt 0:00:07]} 43. Kb1 {[%emt 0:00:02]} Qd3+ {[%emt 0:00:38]} 44. Ka1 {[%emt 0:00:04]} Kb7 {[%emt 0:00:48]} 45. Qxg8 {[%emt 0:02:29]} Qxf1+ {[%emt 0:00:05]} 46. Kb2 {[%emt 0:00:00]} Qf2+ {[%emt 0:00:23]} 47. Kb1 {[%emt 0:00:07]} Qe1+ {[%emt 0:00:50]} 48. Kc2 {[%emt 0:00:13]} Qf2+ {[%emt 0:00:48]} 49. Kb1 {[%emt 0:00:03]} Qxh4 {[%emt 0:00:31]} 50. Qd5+ {[%emt 0:00:07]} Kc8 {[%emt 0:00:02]} 51. Qa8+ {[%emt 0:01:19]} Kd7 {[%emt 0:00:01]} 52. Qxa7 {[%emt 0:00:03]} Qe1+ {[%emt 0:00:15]} 53. Kb2 {[%emt 0:00:27]} Qd2+ {[%emt 0:00:11]} 54. Kb1 {[%emt 0:00:03]} Qd1+ {[%emt 0:00:04]} 55. Kb2 {[%emt 0:00:01]} Qd4+ {[%emt 0:00:36]} 56. Qxd4 {[%emt 0:00:03]} exd4 {[%emt 0:00:02]} 57. a3 {[%emt 0:00:12]} bxa3+ {[%emt 0:00:13]} 58. Kxa3 {[%emt 0:00:02]} c5 {[%emt 0:02:06]} 59. b4 {[%emt 0:00:09]} cxb4+ {[%emt 0:00:47]} 60. Kxb4 {[%emt 0:00:02]} Kc6 {[%emt 0:02:12]} 61. Ka4 {[%emt 0:00:14]} Kc5 {[%emt 0:00:00]} 62. Kb3 {[%emt 0:00:01]} d3 {[%emt 0:00:00]} 63. Kc3 {[%emt 0:00:02]} d2 {[%emt 0:00:00]} 64. Kxd2 {[%emt 0:00:02]} Kxc4 {[%emt 0:02:00]} 65. Kc2 {[%emt 0:00:04]} Kd4 {[%emt 0:00:00]} 66. Kd1 {[%emt 0:00:02]} Kd3 {[%emt 0:00:00]} 67. Kc1 {[%emt 0:00:02]} d5 {[%emt 0:00:00]} 68. Kd1 {[%emt 0:00:03]} d4 {[%emt 0:00:00]} 69. Kc1 {[%emt 0:00:01]} Ke2 {[%emt 0:00:00]} 70. Kc2 {[%emt 0:00:03]} d3+ {[%emt 0:00:00]} 71. Kb2 {[%emt 0:00:30]} d2 {[%emt 0:00:00]} 72. Ka2 {[%emt 0:00:30]} d1=Q {[%emt 0:00:00]} 73. Kb2 {[%emt 0:00:30]} Qd3 {[%emt 0:00:00]} 74. Ka1 {[%emt 0:00:30]} Qb5 {[%emt 0:00:00]} 75. Ka2 {[%emt 0:00:30]} Kd2 {[%emt 0:00:14]} 76. Ka1 {[%emt 0:00:30]} Kc2 {[%emt 0:00:30]} 77. Ka2 {[%emt 0:00:30]} Qa5# {[%emt 0:00:30]} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "4.5"]
[White "Ringoir, Tanguy"]
[Black "Mishra, Abhimanyu"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2474"]
[BlackElo "2370"]
[Annotator "ChessBase"]
[PlyCount "46"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:40]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} c6 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:00]} 4. Qb3 {[%emt 0:00:01]} dxc4 {[%emt 0:00:50]} 5. Qxc4 {[%emt 0:00:02]} Bf5 {[%emt 0:00:01]} 6. g3 {[%emt 0:00:03]} e6 {[%emt 0:01:17]} 7. Bg2 {[%emt 0:00:02]} Be7 {[%emt 0:01:10]} 8. O-O {[%emt 0:00:02]} O-O {[%emt 0:00:50]} 9. e3 {[%emt 0:00:02]} Nbd7 {[%emt 0:01:15]} 10. Rd1 {[%emt 0:00:01]} Rc8 {[%emt 0:04:20]} 11. Qe2 {[%emt 0:00:06]} Bg6 {[%emt 0:00:44]} 12. Nc3 {[%emt 0:03:00]} b5 {[%emt 0:01:03]} 13. h3 {[%emt 0:14:52]} b4 {[%emt 1:25:00]} 14. Na4 {[%emt 0:03:34]} Qa5 {[%emt 0:00:00]} 15. b3 {[%emt 0:00:19]} c5 {[%emt 0:00:00]} 16. a3 {[%emt 0:06:41]} Qc7 {[%emt 0:00:00]} 17. dxc5 {[%emt 0:09:49]} Nxc5 {[%emt 0:00:00]} 18. Nxc5 {[%emt 0:00:09]} Bxc5 {[%emt 0:00:00]} 19. axb4 {[%emt 0:00:21]} Bxb4 {[%emt 0:00:00]} 20. Bd2 {[%emt 0:02:55]} Bxd2 {[%emt 0:00:00]} 21. Qxd2 {[%emt 0:02:10]} Rfd8 {[%emt 0:00:00]} 22. Qa2 {[%emt 0:01:39]} Rxd1+ {[%emt 0:00:00]} 23. Rxd1 {[%emt 0:00:02]} Qc5 {[%emt 0:00:00]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "5.1"]
[White "Prohaszka, Peter"]
[Black "Belous, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2581"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,16,12,26]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 c6 6. d4 d5 7. cxd5 cxd5 8. Nc3 Nc6 {[#]} {Predecessor:} 9. Bf4 $146 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} Bf5 10. Rc1 Rc8 11. Ne5 Ne4 12. Nxe4 Bxe4 13. Bxe4 dxe4 14. Nxc6 Rxc6 15. Rxc6 bxc6 16. Be3 Qd5 17. Qa4 Rb8 18. b3 Rb7 19. Rc1 Rc7 20. Rc5 Qd7 21. d5 h5 22. Rxc6 Rb7 23. Qxe4 h4 24. Qxh4 Qxd5 25. Rc8+ Bf8 26. Rxf8+ {1-0 (26) Carlsen,M (2862)-Firouzja,A (2749) Lichess.org INT 2021} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.19"]
[Round "5.2"]
[White "Sinha, Sahil"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "2353"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,42,17,14,17,17,17,14,14,18,14,14,18,27,20,21,13,21,28,25,25,38,11,13,20,9,1,8,6,9,18]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Bf4 Bg7 7. e3 O-O 8. Nf3 c5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines.} 9. dxc5 {[#] aiming for Qxd8.} N6d7 10. Nd5 {Bc7 is the strong threat.} Nxc5 11. Rc1 Nba6 12. b4 Ne4 {[#] Threatens to win with ...Be6.} 13. Bxa6 bxa6 14. Rc7 Bd7 15. Ng5 e6 16. Nxe4 exd5 17. Qxd5 Bb5 18. Qxd8 {The position is equal.} Rfxd8 19. Nd6 Bf8 20. Nxb5 axb5 21. Ke2 {[#]} a5 $146 {Not much happened in this game.  Weighted Error Value: White=0.01/Black=0.00} ({Predecessor:} 21... Bxb4 22. Rd1 Rxd1 23. Kxd1 Rd8+ 24. Kc1 a5 25. Rb7 Rd5 26. Bh6 f6 27. e4 Rh5 {0-1 (38) Matveeva,O (2189)-Yakushina,E (1783) Yaroslavl 2019}) 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.3"]
[White "Mishra, Abhimanyu"]
[Black "Wang, Kevin"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2370"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,19,14,18,16,14,19,19,18,16,21,22,24,23,25,16,16,18,30,19,23,18,19,20,19,18,32,15,16,16,14,13,23,23,23,23,22,22,29,18,18,0,0,0,0,0,0,0,3,0,0,0,1,0,37,27,30,-37,-37,-37,-37,-37]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. c5 b6 6. cxb6 {D37: Queen's Gambit Declined: 5 Bf4.} cxb6 7. Bf4 Bd6 8. Bxd6 {The position is equal.} Qxd6 9. e3 Nbd7 10. Bd3 Bb7 11. O-O O-O {[#]} 12. a4 $146 ({Predecessor:} 12. Qe2 b5 13. a4 b4 14. Nb1 a5 15. Nbd2 Rfc8 16. Nb3 Ne4 17. Rfc1 Qb6 18. Bb5 {½-½ (90) Pogosyan,S (2344)-Khanin,S (2524) Loo 2019}) 12... Rfc8 13. Qb3 Rc6 14. h3 h6 15. Rac1 Rac8 16. Rc2 Qb8 17. Rfc1 R8c7 18. Ne2 (18. Qa3 {keeps more tension.} Ne4 19. b4 Rc8 20. Qb2 R6c7 21. b5) 18... Rxc2 19. Rxc2 Rxc2 20. Qxc2 Qc8 (20... a5 {seems wilder.} 21. Qb3 Qd8 22. Bb5 Qc8 23. Nc3 Ba6) 21. Qxc8+ Bxc8 22. b4 Kf8 23. Nc3 Ne8 24. Nd2 Ke7 25. f4 Nb8 26. b5 Nd6 27. g4 axb5 28. axb5 Bd7 29. Kf2 Be8 30. Kf3 Nd7 31. g5 f6 32. gxh6 gxh6 33. Kg4 (33. f5 $11) 33... f5+ $15 34. Kh4 Nf6 35. Kg3 {Weighted Error Value: White=0.07/Black=0.03} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.4"]
[White "Gauri, Shankar"]
[Black "Yip, Carissa"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2353"]
[BlackElo "2423"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,77,22,35,19,32,27,28,18,35,27,31,25,33,9,19,11,18,17,27,37,44,0,0,0,0,4,3,6,19,27,29,0,32,31,32,19,48,0,25,0,43,45,48,48,97,97,111,122,129,140,134,148,136,143,279,275,268,267,813,788,29983,29984,29984,29985,29984,29985,29994,1313,29995,29996]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. e3 Bg7 5. b4 c6 6. Be2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} O-O 7. c4 Bg4 8. O-O {White has an edge.} Nbd7 9. h3 Bxf3 10. Nxf3 {[#]} a5 $146 ({Predecessor:} 10... dxc4 11. Bxc4 Nd5 12. Bd2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Rc1 Bc7 16. Bxd5 cxd5 {½-½ (31) Ravi,T (2383)-Mehar,C (2348) Budapest 2019}) 11. b5 cxb5 12. cxb5 Ne4 13. Bb2 a4 14. Rc1 Qa5 15. Ne5 Nb6 (15... a3 $5 16. Ba1 $8 Nxe5 17. dxe5 e6 $11) 16. Qe1 Qxe1 17. Rfxe1 Rfc8 18. f3 Nd6 19. Ba3 Nf5 20. Bd3 (20. Kf2 {is interesting.} f6 21. Nd3 Nc4 22. Bc5 Bh6 23. f4) 20... f6 21. Bxf5 gxf5 22. Nd3 Kf7 23. Kf2 (23. Bc5 $5 {[%cal Rc5b6]} Nd7 24. g4 $14) 23... e6 24. g4 fxg4 25. hxg4 Nc4 26. Bb4 Bh6 27. f4 Bf8 28. Bxf8 Rxf8 29. Rh1 Rh8 30. f5 exf5 31. gxf5 Ra5 {[#]} (31... h5 $16 {was worth a try.} 32. Nf4 Rac8 33. Nxd5 h4) 32. e4 $1 $18 {[%cal Re4d5]} Rxb5 33. exd5 Nd6 (33... Rxd5 34. Rxc4 Rxf5+ 35. Ke3 Re8+ 36. Kd2 h5 37. Rxa4 Re4) 34. Rc7+ Kg8 35. Rg1+ Kf8 36. Nc5 Rb2+ 37. Kf3 Rxa2 38. Ne6+ Ke8 39. Rgg7 {[%csl Gc7][%cal Rg7e7] Weighted Error Value: White=0.07/Black=0.38} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "5.5"]
[White "Hilby, Craig"]
[Black "Ostrovskiy, Aleksandr"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "2454"]
[BlackElo "2431"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,98,10,12,35,28,25,12,24,39,35,25,22,28,31,38,30,33,37,11,10,10,9,-8,-7,-8,42,31,38,23,26,14,14,12,11,14,27,26,6,0,0,8,8,8,8,8,8,8,0,0,24,0,0,0,0,0,0,0,0,0,0,-661,-656,-634,-91,-627,-661,-716,-584,-533,-498,-12817,-6432,-7420,-6410,-5377,-7104,-29989,-29990,-29990,-29991]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 {[#]} 11. Bg2 $1 g5 {D17: Slav Defence: 5 a4 Bf5: Lines with 6 Nh4 and 6 Ne5.} (11... f6 12. O-O) 12. Ne3 gxf4 13. Nxf5 O-O-O {The position is equal.} 14. Qc2 fxg3 15. hxg3 Nf6 16. O-O h5 17. Rfd1 Bc5 18. e3 a5 19. Na2 Qb6 20. Rac1 {Threatens to win with Rxd8+.} Nfg4 {[%cal Rc5e3] [#]} 21. Be4 $146 {[#] Black must now prevent Rxd8+.} ({Predecessor:} 21. Rxd8+ Rxd8 22. Qc3 Rd3 23. Qc2 Bxe3 24. Nxe3 Nxe3 25. fxe3 Qxe3+ 26. Qf2 Qxf2+ 27. Kxf2 {½-½ (37) Timman,J (2610)-Swinkels,R (2487) Germany 2014}) 21... Rxd1+ 22. Rxd1 Rd8 23. Rxd8+ Kxd8 24. Qc3 (24. Kg2 {with more complications.} Kc7 25. b3 Bb4 26. Qd1 Nf6 27. Bc2) 24... Bb4 25. Nxb4 Qxb4 26. Qxb4 axb4 $11 {[%mdl 4096] Endgame KBN-KNN} 27. b3 Nf6 28. Bc2 Kd7 29. f4 Nf3+ 30. Kf2 Nd2 31. Ke2 Nde4 32. Bxe4 Nxe4 {KN-KN} 33. Kd3 Nf2+ 34. Kc4 Ke6 35. Nd4+ Kd6 $1 36. a5 c5 (36... Ne4 $5) 37. Nf5+ Kc6 38. Ne7+ Kd6 39. Nf5+ Kc6 40. Ng7 $2 {[%mdl 8192]} (40. Ne7+ $11 Kd6 41. Nf5+) 40... Ne4 $19 41. Nxh5 {intending Kd3.} Nd2+ 42. Kd3 {White does not recover from this.} Nxb3 43. g4 Nxa5 44. g5 c4+ 45. Kc2 (45. Kd2 $142 b3 46. Ng3) 45... b3+ 46. Kb2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 47. f5 b4 48. Ng3 c3+ 49. Kb1 Nc4 {Weighted Error Value: White=0.61/Black=0.06} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.1"]
[White "Belous, Vladimir"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[WhiteElo "2521"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "15"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:55:31]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:02]} c6 {[%emt 0:00:00]} 3. cxd5 {[%emt 0:00:04]} cxd5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:00]} 5. Nf3 {[%emt 0:00:03]} Nc6 {[%emt 0:00:00]} 6. Bf4 {[%emt 0:00:04]} Bf5 {[%emt 0:00:00]} 7. e3 {[%emt 0:00:03]} e6 {[%emt 0:00:04]} 8. Bd3 {[%emt 0:00:03]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.2"]
[White "Yip, Carissa"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2423"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,90,0,0,-29,-37,-31,-24,-24,-24,-25,0,0,0,0,0,0,18,0,0,0,0,0,0,-18,-10,-83,-87,-148,-147,-160,-139,-152,-159,-157,-161,-159,-152,-154,-121,-160,-151,-144,-143,-143,-115,-104,-132,-229,-229,-229,-229,-247,-240,-239,-232,-319,-340,-315,0,-276,0,-268,-220,-225,-222,-229,-215,-227,0,-217,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. Qe2 Nf6 8. Nb3 Nc6 9. Bg5 a6 10. O-O-O b5 11. Bd3 Be7 12. Kb1 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bb7 13. Nbxd4 Nxd4 14. Nxd4 {Black has an edge.} O-O ({Wrong is} 14... Bxg2 $2 15. Nf5 $18) 15. Rhe1 {aiming for Bxf6.} Qxd4 16. Bxh7+ $1 {[%mdl 64] [#] Discovered Attack} Nxh7 17. Rxd4 Bxg5 18. f4 Bf6 19. Rdd1 {[#]} Rfc8 $146 ({Predecessor:} 19... g6 20. g4 Rac8 21. f5 exf5 22. gxf5 gxf5 23. Qd3 Be4 24. Rxe4 fxe4 25. Qxe4 Kh8 26. a3 {½-½ (26) Sermek,D (2545)-Naumkin,I (2489) Porto San Giorgio 1999}) 20. g4 Nf8 21. g5 Bd8 22. h4 Rc4 $1 23. h5 (23. Qf2 $11 {remains equal.}) 23... Rxf4 $17 24. h6 ({Better is} 24. g6) 24... Bxg5 25. hxg7 Ng6 {White must now prevent ...Bf3.} 26. Rf1 Kxg7 27. Qh5 Rxf1 28. Rxf1 Bf6 29. Qe2 {Qf2 is the strong threat.} Bh4 30. Qe3 {Black should prevent Qd4+.} Rd8 31. Qc3+ e5 32. Qc7 {[#]} Bf3 $1 {[%mdl 512]} 33. a4 e4 34. a5 (34. axb5 $17 axb5 35. Qb7) 34... Re8 $19 35. Qc3+ Bf6 36. Qe3 Re6 37. Rf2 Be5 38. Rf1 Bf4 39. Qd4+ Be5 40. Qe3 Bf4 41. Qd4+ Kh7 42. Qd5 Be5 43. Qb3 Bd4 44. Qd5 Be5 45. Qb3 $1 Kg7 $2 {Weighted Error Value: White=0.13/Black=0.26} (45... Kg8 $19 46. Qd5 Bc7) 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.3"]
[White "Wang, Kevin"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2402"]
[BlackElo "2431"]
[Annotator "NA"]
[PlyCount "39"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 3. d3 {[%emt 0:00:26]} dxe4 {[%emt 0:03:43]} 4. dxe4 {[%emt 0:00:35]} Qxd1+ {[%emt 0:00:16]} 5. Kxd1 {[%emt 0:00:06]} Nf6 {[%emt 0:00:03]} 6. Nfd2 {[%emt 0:00:28]} g5 {[%emt 0:01:27]} 7. a4 {[%emt 0:00:53]} Rg8 {[%emt 0:03:24]} 8. Nc3 {[%emt 0:02:39]} Nbd7 {[%emt 0:05:49]} 9. f3 {[%emt 0:07:06]} g4 {[%emt 0:06:10]} 10. Nc4 {[%emt 0:03:17]} e5 {[%emt 0:11:50]} 11. Be3 {[%emt 0:06:33]} gxf3 {[%emt 0:05:55]} 12. gxf3 {[%emt 0:00:48]} Nh5 {[%emt 0:00:32]} 13. Bh3 {[%emt 0:12:41]} Nb6 {[%emt 0:32:19]} 14. Nxb6 {[%emt 0:09:47]} axb6 {[%emt 0:00:25]} 15. Bxc8 {[%emt 0:00:14]} Rxc8 {[%emt 0:00:02]} 16. Rg1 {[%emt 0:02:28]} Rxg1+ {[%emt 0:03:54]} 17. Bxg1 {[%emt 0:00:21]} Rd8+ {[%emt 0:03:49]} 18. Ke1 {[%emt 0:01:39]} Bc5 {[%emt 0:00:18]} 19. Bxc5 {[%emt 0:02:00]} bxc5 {[%emt 0:00:04]} 20. Ne2 {[%emt 0:06:14]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.4"]
[White "Ringoir, Tanguy"]
[Black "Prohaszka, Peter"]
[Result "1/2-1/2"]
[WhiteElo "2474"]
[BlackElo "2581"]
[Annotator "ChessBase"]
[PlyCount "19"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 3. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:03]} 4. cxd5 {[%emt 0:00:00]} cxd5 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:04]} 6. Bf4 {[%emt 0:00:00]} Bf5 {[%emt 0:00:02]} 7. e3 {[%emt 0:00:01]} e6 {[%emt 0:00:03]} 8. Bd3 {[%emt 0:00:04]} Bxd3 {[%emt 0:00:03]} 9. Qxd3 {[%emt 0:00:05]} Be7 {[%emt 0:00:03]} 10. O-O {[%emt 0:00:05]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "6.5"]
[White "Mishra, Abhimanyu"]
[Black "Sinha, Sahil"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2370"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,90,29,21,27,16,19,16,33,19,19,16,34,33,28,29,33,13,24,16,13,22,25,11,29,14,15,9,11,21,21,0,22,0,0,0,15,13,0,10,35,22,32,46,32,0,63,63,54,63,48,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. a3 Bxd2+ 6. Qxd2 d5 {E11: Bogo-Indian.} 7. Nc3 O-O 8. e3 Nbd7 9. cxd5 exd5 10. Bd3 Re8 11. Qc2 c6 12. O-O Qe7 13. Rab1 {[#]} b6 $146 ({Predecessor:} 13... Ne4 14. b4 axb4 15. axb4 Ndf6 16. b5 c5 17. dxc5 Nxc5 18. Rfc1 b6 19. Nd4 Qd6 {0-1 (57) Bartholomew,J (2459)-Swiercz,D (2649) chess.com INT 2018}) 14. b4 axb4 15. axb4 Bb7 16. Nd2 h6 17. h3 Ra3 18. Rb3 Rxb3 19. Qxb3 Ra8 20. Rc1 Qd6 21. Nf3 b5 22. e4 dxe4 23. Nxe4 Nxe4 24. Bxe4 Nf6 {[#]} 25. Ne5 $1 {[%mdl 64] Double Attack} Rf8 26. Bxc6 Qxd4 27. Nxf7 Bxc6 28. Rxc6 {And now Nxh6+ would win.} Qd5 29. Qxd5 Nxd5 $14 {[%mdl 4096] Endgame KRN-KRN} 30. Ne5 (30. Nd6 {looks sharper.} Nxb4 31. Rc3 Rd8 32. Nxb5 Rd1+ 33. Kh2) 30... Nxb4 {The position is equal.} 31. Rb6 (31. Rc5 {seems wilder.} Rb8 32. f3 Na6 33. Rc6 Nb4 34. Rd6) 31... Rf5 $1 {[%cal Rf5e5]} 32. Rxb5 (32. f4 {with more complications.} Rxf4 33. Rxb5 Nc2 34. Rd5 Ne3 35. Rd3) 32... Nc6 $1 33. f4 Nxe5 34. fxe5 $11 {KR-KR} Kf7 35. Kh2 Ke6 36. Rb7 Rg5 37. h4 Rg4 38. Kh3 h5 39. Rb6+ Kf5 40. e6 Kf6 41. Rb5 g6 42. Re5 Ke7 (42... Kxe5 $2 {perishes.} 43. e7 $18) 43. g3 Rb4 44. Rg5 Kf6 45. e7 Re4 {Weighted Error Value: White=0.07/Black=0.03} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "7.1"]
[White "Hilby, Craig"]
[Black "Belous, Vladimir"]
[Result "1/2-1/2"]
[ECO "B32"]
[WhiteElo "2454"]
[BlackElo "2521"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,43,36,28,63,68,67,69,62,56,63,67,64,66,87,6,7,6,2,7,6,9,10,4,43,6]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 b5 8. Nd5 Nce7 9. c4 Nxd5 10. exd5 bxc4 11. Nxc4 f5 {B32: Sicilian: Löwenthal and Kalashnikov Variations.} 12. Bd2 a5 $1 13. Qa4+ Bd7 14. Qa3 {[%cal Rd2a5]} Nf6 15. Bxa5 Qb8 16. Nb6 Ra7 17. Bc4 (17. Qc3 $16) 17... Be7 $11 18. O-O {[#]} Bd8 $146 ({Predecessor:} 18... O-O 19. Nxd7 Nxd7 20. b4 e4 21. Qe3 Ne5 22. Be2 Bf6 23. Rac1 h6 24. Rc6 Bg5 {0-1 (66) Krejci,J (2193)-Havlik,J (2261) Klatovy 2007}) 19. Nxd7 Nxd7 20. b4 O-O 21. Rfc1 Qa8 22. Bb5 {Weighted Error Value: White=0.15/Black=0.06} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "7.2"]
[White "Prohaszka, Peter"]
[Black "Mishra, Abhimanyu"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2581"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,130,1,1,8,7,-6,-5,-15,-10,0,4,5,-12,-25,4,-41,0,0,0,1,25,0,37,0,0,-11,7,-14,-16,-14,-24,-27,-17,-75,-79,-74,-7,-10,-10,-22,0,-16,-8,-10,-12,-27,-12,-14,-14,-14,-25,-7,-20,-158,-143,-193,-224,-242,-226,-239,-238,-244,-241,-239,-238,-221,-215,-436,-422,-412,-384,-336,-227,-420,-416,-29980,-29981,-29975,-686,-591,-180,-163,-83,-29987,-151,-164,-158,-159,-162,-150,-100,-153,-138,-189,0,0,0,-29,-21,-29,-29,-29,-35,-143,-127,-143,-116,-202,-195,-194,-201,-202,0,-464,-482,-473,-455,-285,-286,-29981,-29982,-29982,-29983]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nbd2 Bf5 5. Nh4 Be4 6. e3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} e6 7. f3 Bg6 8. g3 {The position is equal.} c5 {[#]} 9. cxd5 $146 ({Predecessor:} 9. Nb3 cxd4 10. Nxd4 a6 11. cxd5 Qxd5 12. Be2 Nc6 13. Nxg6 hxg6 14. Nxc6 Qxc6 15. Bd2 {½-½ (21) Binder,E (2134)-Vaughan,J (2057) ICCF email 2015}) 9... exd5 10. Bb5+ Nc6 11. Qa4 Qc7 12. Kf2 Be7 13. dxc5 $1 Bxc5 14. Nb3 Nd7 15. Bd2 Nb6 16. Qa5 Bd6 17. Rac1 {aiming for Nd4.} O-O 18. Bxc6 bxc6 19. Nd4 Qd7 20. b3 c5 21. Ne2 (21. Rxc5 $11 {keeps the balance.} Bxc5 22. Qxc5) 21... Bd3 $17 22. Nf4 Bb5 ({Better is} 22... Bxf4 $17 23. exf4 c4 24. bxc4 dxc4) 23. Nf5 $11 {[%cal Rf5d6]} Qxf5 24. Qxb5 Rad8 25. Qd3 Qd7 26. Ba5 d4 {Black wants to play ...dxe3+.} 27. e4 f5 28. e5 Bxe5 29. Rxc5 Bxf4 30. gxf4 Qe7 31. Bxb6 (31. Re5 $11 Qh4+ {[%mdl 64] Double Attack} 32. Kg2) 31... axb6 $17 32. Rc6 Qh4+ {[%mdl 64] Double Attack} 33. Kg2 Rfe8 (33... Qxf4 34. Rf1) 34. Rd1 Qxf4 35. Qc4+ Kh8 36. Re6 Rxe6 37. Qxe6 $19 {[%mdl 4096] Endgame KQR-KQR} h6 $1 38. Qe1 $2 (38. Qe2 {was called for.}) 38... d3 39. Qd2 Qd4 40. Qf2 {White hopes to continue with Qxd4.} Qd5 41. Rd2 $2 (41. Qe3 {might work better.}) 41... Qe5 42. Qxb6 (42. Kh1 $19 b5 43. h3) 42... Rd6 43. Qb4 f4 (43... Rg6+ $142 44. Kf2 Re6 45. Kg2 Qe3 46. Qf8+ Kh7 47. Qxf5+ Rg6+ 48. Qxg6+ Kxg6 49. Rb2 d2 50. Rb1 Kg5 51. Kg3 Qe1+ {[%mdl 64] Double Attack} 52. Kh3 Qxb1 53. Kg3 Qe1+ 54. Kh3 d1=Q 55. f4+ Kxf4 56. Kg2 Qg4#) 44. Qe4 Qg5+ (44... Qc5 45. Qe8+ Kh7) 45. Kh1 Rg6 ({Black should play} 45... Qc5 $1 $19 {[%cal Rc5c1] ( -> ...Qc1+)} 46. Qa8+ (46. Rxd3 $2 Qf2 $19) 46... Kh7 47. Qe4+ Rg6) 46. Qe8+ (46. Qe1 $142) 46... Kh7 $17 {[%csl Gg6][%cal Rg5g1]} 47. Qe1 Qd5 48. Qd1 Rd6 49. a4 Qd4 50. a5 (50. b4 $142) 50... Re6 $1 51. a6 (51. Rxd3 $2 Qf2 $19) (51. Kg2 $17) 51... Qe3 $2 ({Not} 51... Rxa6 52. Rxd3 Qa1 53. b4 $11) (51... Qb4 $1 $19 {[%cal Rb4e7]} 52. a7 Qa5) 52. b4 $11 ({Don't go for} 52. Rxd3 $2 Qf2 $19) 52... Qb6 53. Qf1 (53. Ra2 {is more complex.} Qe3 54. b5 h5 55. h3 Re7 56. Kh2) 53... Re3 54. Rxd3 {And now Qb1 would win.} Qxa6 55. Rd1 Qb7 56. Kg2 (56. Qh3 $1 $15 Re5 57. Rb1) 56... Qxb4 $17 57. Qf2 Qc3 58. h3 (58. Qa2 $17) 58... Qc4 $19 {...Re2 is the strong threat.} 59. Rd2 Re6 $1 60. Kh2 {[#]} Re3 $2 (60... Rg6 $1 $19 {Threatens to win with ...Rg3.} 61. Qe1 Qc6) 61. Rb2 $2 {[%mdl 8192]} (61. Kg2 $1 $11 {and White stays safe.}) 61... Qc3 62. Qg2 Rxf3 63. Rb6 {[#] White wants to mate with Qg6+.} Qd3 {White must now prevent ...Rg3.} 64. Rg6 {[#]} (64. Re6 $19) 64... Rxh3+ $1 {[%mdl 512]} 65. Qxh3 Qxh3+ {Weighted Error Value: White=0.64/Black=0.30} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "7.3"]
[White "Gauri, Shankar"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2353"]
[BlackElo "2474"]
[Annotator "ChessBase"]
[PlyCount "27"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 6. Ndb5 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 7. Bf4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 8. Bd6 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 9. Bxc5 {[%emt 0:00:30]} Qxc5 {[%emt 0:00:30]} 10. Qd6 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 11. Qc7 {[%emt 0:00:30]} Qc5 {[%emt 0:00:30]} 12. Qd6 {[%emt 0:00:30]} Qb6 {[%emt 0:00:30]} 13. Qc7 {[%emt 0:00:30]} Qc5 {[%emt 0:00:30]} 14. Qd6 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "7.4"]
[White "Sinha, Sahil"]
[Black "Wang, Kevin"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2324"]
[BlackElo "2402"]
[Annotator "ChessBase"]
[PlyCount "50"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:33]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:21]} 3. Nc3 {[%emt 0:00:01]} Bb4 {[%emt 0:00:29]} 4. Nf3 {[%emt 0:01:08]} Nf6 {[%emt 0:00:32]} 5. Bg5 {[%emt 0:01:34]} dxc4 {[%emt 0:00:50]} 6. e4 {[%emt 0:01:39]} c5 {[%emt 0:00:55]} 7. Bxc4 {[%emt 0:03:17]} cxd4 {[%emt 0:00:36]} 8. Nxd4 {[%emt 0:01:43]} Qa5 {[%emt 0:00:43]} 9. Bd2 {[%emt 0:01:52]} Qc5 {[%emt 0:01:41]} 10. Bb5+ {[%emt 0:01:17]} Bd7 {[%emt 0:00:40]} 11. Nb3 {[%emt 0:00:34]} Qe7 {[%emt 0:00:35]} 12. Bd3 {[%emt 0:02:03]} Nc6 {[%emt 0:00:33]} 13. a3 {[%emt 0:01:18]} Bd6 {[%emt 0:01:32]} 14. Rc1 {[%emt 0:01:56]} O-O {[%emt 0:04:32]} 15. Bg5 {[%emt 0:05:07]} Rad8 {[%emt 0:14:25]} 16. f4 {[%emt 0:04:48]} h6 {[%emt 0:03:06]} 17. e5 {[%emt 0:03:04]} Bxe5 {[%emt 0:02:15]} 18. fxe5 {[%emt 0:00:24]} Nxe5 {[%emt 0:00:11]} 19. Bf4 {[%emt 0:00:38]} Bb5 {[%emt 0:13:54]} 20. Bxb5 {[%emt 0:07:28]} Rxd1+ {[%emt 0:00:28]} 21. Rxd1 {[%emt 0:00:03]} Qc7 {[%emt 0:01:23]} 22. Rd4 {[%emt 0:01:55]} g5 {[%emt 0:11:14]} 23. Bg3 {[%emt 0:02:17]} Nh5 {[%emt 0:00:59]} 24. Bxe5 {[%emt 0:00:57]} Qxe5+ {[%emt 0:00:29]} 25. Re4 {[%emt 0:00:12]} Qc7 {[%emt 0:39:34]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.20"]
[Round "7.5"]
[White "Ostrovskiy, Aleksandr"]
[Black "Yip, Carissa"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2431"]
[BlackElo "2423"]
[Annotator "ChessBase"]
[PlyCount "121"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:07:14]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:05]} 3. Bb5 {[%emt 0:00:45]} a6 {[%emt 0:00:06]} 4. Ba4 {[%emt 0:00:07]} Nf6 {[%emt 0:00:16]} 5. O-O {[%emt 0:00:13]} Be7 {[%emt 0:00:14]} 6. d3 {[%emt 0:00:17]} d6 {[%emt 0:00:35]} 7. c4 {[%emt 0:04:43]} Bd7 {[%emt 0:03:40]} 8. Be3 {[%emt 0:04:41]} O-O {[%emt 0:01:37]} 9. h3 {[%emt 0:06:04]} Re8 {[%emt 0:02:01]} 10. Nc3 {[%emt 0:02:25]} Bf8 {[%emt 0:00:08]} 11. Rc1 {[%emt 0:06:40]} g6 {[%emt 0:01:33]} 12. Nd5 {[%emt 0:00:42]} Bg7 {[%emt 0:00:47]} 13. Bg5 {[%emt 0:09:41]} Nb8 {[%emt 0:03:19]} 14. Bxd7 {[%emt 0:12:04]} Nbxd7 {[%emt 0:00:06]} 15. Re1 {[%emt 0:04:22]} c6 {[%emt 0:00:54]} 16. Nc3 {[%emt 0:03:53]} Nc5 {[%emt 0:04:36]} 17. Be3 {[%emt 0:14:37]} Ne6 {[%emt 0:03:01]} 18. d4 {[%emt 0:06:01]} exd4 {[%emt 0:02:05]} 19. Nxd4 {[%emt 0:00:38]} Nc5 {[%emt 0:01:17]} 20. f3 {[%emt 0:00:51]} Nfd7 {[%emt 0:00:44]} 21. b4 {[%emt 0:00:39]} Ne6 {[%emt 0:00:05]} 22. Nxe6 {[%emt 0:00:09]} Rxe6 {[%emt 0:00:06]} 23. Ne2 {[%emt 0:01:19]} Qc7 {[%emt 0:07:17]} 24. Qd2 {[%emt 0:00:51]} Rd8 {[%emt 0:03:39]} 25. Red1 {[%emt 0:01:01]} Ne5 {[%emt 0:04:03]} 26. a4 {[%emt 0:02:58]} Rde8 {[%emt 0:15:15]} 27. Nd4 {[%emt 0:07:50]} R6e7 {[%emt 0:00:21]} 28. Nb3 {[%emt 0:01:46]} Qc8 {[%emt 0:09:17]} 29. Bg5 {[%emt 0:06:50]} f6 {[%emt 0:00:04]} 30. Bf4 {[%emt 0:01:39]} f5 {[%emt 0:00:21]} 31. exf5 {[%emt 0:00:59]} Qxf5 {[%emt 0:00:09]} 32. Nd4 {[%emt 0:00:31]} Qf7 {[%emt 0:00:27]} 33. Bg5 {[%emt 0:00:35]} Nxc4 {[%emt 0:01:19]} 34. Qc3 {[%emt 0:00:38]} Ne3 {[%emt 0:00:58]} 35. Rd3 {[%emt 0:00:28]} Nd5 {[%emt 0:00:42]} 36. Qd2 {[%emt 0:00:02]} Re5 {[%emt 0:00:49]} 37. b5 {[%emt 0:00:57]} Rxg5 {[%emt 0:01:06]} 38. Qxg5 {[%emt 0:00:29]} Nf4 {[%emt 0:00:01]} 39. Rcd1 {[%emt 0:00:17]} Nxd3 {[%emt 0:05:07]} 40. Rxd3 {[%emt 0:00:02]} Qc4 {[%emt 0:00:02]} 41. Qd2 {[%emt 0:00:02]} Qxa4 {[%emt 0:00:04]} 42. bxc6 {[%emt 0:00:24]} bxc6 {[%emt 0:00:07]} 43. Ne2 {[%emt 0:01:49]} Qa1+ {[%emt 0:01:01]} 44. Kh2 {[%emt 0:00:30]} Qe5+ {[%emt 0:00:05]} 45. Ng3 {[%emt 0:00:02]} d5 {[%emt 0:00:04]} 46. f4 {[%emt 0:00:01]} Qb2 {[%emt 0:03:23]} 47. Qd1 {[%emt 0:00:02]} a5 {[%emt 0:02:15]} 48. Rb3 {[%emt 0:00:14]} Qd4 {[%emt 0:00:55]} 49. Qg4 {[%emt 0:00:03]} a4 {[%emt 0:08:38]} 50. Rb7 {[%emt 0:00:01]} a3 {[%emt 0:00:06]} 51. Qd7 {[%emt 0:00:09]} Ra8 {[%emt 0:01:47]} 52. Qxc6 {[%emt 0:01:48]} a2 {[%emt 0:00:20]} 53. Rxg7+ {[%emt 0:02:05]} Kxg7 {[%emt 0:00:13]} 54. Qb7+ {[%emt 0:00:26]} Kh6 {[%emt 0:00:20]} 55. Qxa8 {[%emt 0:00:13]} a1=Q {[%emt 0:00:08]} 56. Qf8+ {[%emt 0:00:38]} Qg7 {[%emt 0:00:01]} 57. Qd8 {[%emt 0:00:29]} Qgf6 {[%emt 0:00:22]} 58. Qxd5 {[%emt 0:00:49]} Qxf4 {[%emt 0:01:00]} 59. Qd8 {[%emt 0:00:30]} Qae5 {[%emt 0:00:29]} 60. Qd3 {[%emt 0:00:22]} Qfe3 {[%emt 0:00:19]} 61. Qxg6+ {[%emt 0:00:37]} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.1"]
[White "Belous, Vladimir"]
[Black "Ostrovskiy, Aleksandr"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2521"]
[BlackElo "2431"]
[Annotator "RC"]
[PlyCount "63"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 2. d4 {[%emt 0:01:10]} d5 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:05]} Nf6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:51]} dxc4 {[%emt 0:00:00]} 5. g3 {[%emt 0:00:14]} Nbd7 {[%emt 0:02:22]} 6. Bg2 {[%emt 0:01:21]} g6 {[%emt 0:00:16]} 7. a4 {[%emt 0:04:37]} a5 {[%emt 0:01:16]} 8. O-O {[%emt 0:00:28]} Bg7 {[%emt 0:00:03]} 9. e4 {[%emt 0:01:06]} O-O {[%emt 0:01:30]} 10. Qe2 {[%emt 0:04:34]} Nb6 {[%emt 0:04:51]} 11. h3 {[%emt 0:00:21]} Nfd7 {[%emt 0:05:11]} 12. Bg5 {[%emt 0:10:31]} Re8 {[%emt 0:04:31]} 13. Rad1 {[%emt 0:05:34]} Qc7 {[%emt 0:02:19]} 14. g4 {[%emt 0:07:32]} e5 {[%emt 0:03:25]} 15. d5 {[%emt 0:00:56]} Nc5 {[%emt 0:23:52]} 16. Nd2 {[%emt 0:07:12]} Ncxa4 {[%emt 0:02:38]} 17. Nxa4 {[%emt 0:00:13]} Nxa4 {[%emt 0:00:02]} 18. Nxc4 {[%emt 0:00:46]} cxd5 {[%emt 0:12:49]} 19. exd5 {[%emt 0:00:20]} e4 {[%emt 0:02:46]} 20. d6 {[%emt 0:02:32]} Qc6 {[%emt 0:02:41]} 21. Be7 {[%emt 0:06:09]} f5 {[%emt 0:09:35]} 22. Rc1 {[%emt 0:01:01]} Qb5 {[%emt 0:02:47]} 23. gxf5 {[%emt 0:02:32]} gxf5 {[%emt 0:08:12]} 24. Qh5 {[%emt 0:00:32]} Bd7 {[%emt 0:01:10]} 25. Kh1 {[%emt 0:02:27]} Rac8 {[%emt 0:06:29]} 26. Rg1 {[%emt 0:00:27]} Qd5 {[%emt 0:01:50]} 27. Bf3 {[%emt 0:01:07]} Qe6 {[%emt 0:02:06]} 28. Qg5 {[%emt 0:07:36]} Qg6 {[%emt 0:00:14]} 29. Bh5 {[%emt 0:00:05]} Qxg5 {[%emt 0:00:16]} 30. Rxg5 {[%emt 0:00:05]} h6 {[%emt 0:01:10]} 31. Rxg7+ {[%emt 0:00:18]} Kxg7 {[%emt 0:00:03]} 32. Rg1+ {[%emt 0:00:05]} 1-0

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.2"]
[White "Wang, Kevin"]
[Black "Yip, Carissa"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "2402"]
[BlackElo "2423"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:28]} Nf6 {[%emt 0:05:54]} 2. Bg5 {[%emt 0:00:22]} e6 {[%emt 0:04:23]} 3. Nd2 {[%emt 0:00:30]} d5 {[%emt 0:00:44]} 4. e3 {[%emt 0:00:55]} Be7 {[%emt 0:00:31]} 5. Ngf3 {[%emt 0:01:06]} Nbd7 {[%emt 0:00:36]} 6. Bd3 {[%emt 0:01:07]} c5 {[%emt 0:01:52]} 7. c3 {[%emt 0:00:42]} O-O {[%emt 0:00:57]} 8. O-O {[%emt 0:04:40]} b6 {[%emt 0:03:27]} 9. Ne5 {[%emt 0:09:56]} Bb7 {[%emt 0:07:46]} 10. f4 {[%emt 0:06:47]} Ne4 {[%emt 0:04:53]} 11. Bxe7 {[%emt 0:09:05]} Qxe7 {[%emt 0:00:02]} 12. Nxd7 {[%emt 0:00:34]} Qxd7 {[%emt 0:00:06]} 13. Rf3 {[%emt 0:04:01]} Rac8 {[%emt 0:13:00]} 14. Rh3 {[%emt 0:02:28]} f6 {[%emt 0:01:50]} 15. Qc2 {[%emt 0:05:50]} Qc6 {[%emt 0:01:21]} 16. Rf1 {[%emt 0:07:40]} h6 {[%emt 0:04:06]} 17. f5 {[%emt 0:09:35]} exf5 {[%emt 0:07:30]} 18. Rxf5 {[%emt 0:01:27]} Qe6 {[%emt 0:02:24]} 19. Rf1 {[%emt 0:01:57]} Rce8 {[%emt 0:01:43]} 20. Nxe4 {[%emt 0:02:21]} dxe4 {[%emt 0:00:07]} 21. Bb5 {[%emt 0:00:25]} Bc6 {[%emt 0:03:03]} 22. Bxc6 {[%emt 0:02:48]} Qxc6 {[%emt 0:00:01]} 23. Rh5 {[%emt 0:01:06]} cxd4 {[%emt 0:01:33]} 24. exd4 {[%emt 0:00:47]} Re7 {[%emt 0:01:46]} 25. Qe2 {[%emt 0:01:52]} Qe6 {[%emt 0:02:51]} 26. d5 {[%emt 0:01:31]} Qd6 {[%emt 0:00:06]} 27. Qe3 {[%emt 0:00:57]} Re5 {[%emt 0:04:18]} 28. Rxe5 {[%emt 0:00:06]} Qxe5 {[%emt 0:00:03]} 29. Rd1 {[%emt 0:00:50]} f5 {[%emt 0:02:06]} 30. d6 {[%emt 0:01:02]} Rd8 {[%emt 0:00:08]} 31. d7 {[%emt 0:01:53]} Qe6 {[%emt 0:00:06]} 32. Qd4 {[%emt 0:01:36]} Kf7 {[%emt 0:03:52]} 33. c4 {[%emt 0:01:37]} e3 {[%emt 0:01:07]} 34. Re1 {[%emt 0:01:56]} Rxd7 {[%emt 0:01:22]} 35. Qxe3 {[%emt 0:00:03]} Qxe3+ {[%emt 0:00:04]} 36. Rxe3 {[%emt 0:00:02]} Rd2 {[%emt 0:01:31]} 37. Ra3 {[%emt 0:00:49]} Rxb2 {[%emt 0:01:12]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.3"]
[White "Ringoir, Tanguy"]
[Black "Hilby, Craig"]
[Result "1/2-1/2"]
[WhiteElo "2474"]
[BlackElo "2454"]
[Annotator "ChessBase"]
[PlyCount "14"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} e5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bc4 {[%emt 0:00:30]} Bc5 {[%emt 0:00:30]} 4. c3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. d3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 6. Bb3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 7. h3 {[%emt 0:00:30]} Ba7 {[%emt 0:00:30]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.4"]
[White "Mishra, Abhimanyu"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2370"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:03:53]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:14]} 3. Nf3 {[%emt 0:00:00]} b6 {[%emt 0:00:10]} 4. g3 {[%emt 0:00:00]} Bb4+ {[%emt 0:00:39]} 5. Bd2 {[%emt 0:00:12]} Be7 {[%emt 0:00:31]} 6. Nc3 {[%emt 0:02:05]} Bb7 {[%emt 0:00:44]} 7. Bg2 {[%emt 0:04:44]} c6 {[%emt 0:00:45]} 8. Bf4 {[%emt 0:00:21]} d5 {[%emt 0:06:20]} 9. cxd5 {[%emt 0:03:03]} cxd5 {[%emt 0:02:55]} 10. Nb5 {[%emt 0:01:04]} Bb4+ {[%emt 0:04:40]} 11. Nd2 {[%emt 0:06:34]} Na6 {[%emt 0:13:43]} 12. Nc7+ {[%emt 0:07:41]} Nxc7 {[%emt 0:00:30]} 13. Qa4+ {[%emt 0:00:03]} Qd7 {[%emt 0:00:49]} 14. Qxb4 {[%emt 0:00:09]} Na6 {[%emt 0:00:28]} 15. Qa3 {[%emt 0:15:46]} Nh5 {[%emt 0:19:23]} 16. Be3 {[%emt 0:04:56]} Qe7 {[%emt 0:04:40]} 17. Qa4+ {[%emt 0:03:46]} Qd7 {[%emt 0:00:03]} 18. Qb3 {[%emt 0:12:09]} O-O {[%emt 0:00:56]} 19. O-O {[%emt 0:01:36]} Nf6 {[%emt 0:01:11]} 20. Rac1 {[%emt 0:06:04]} Rfc8 {[%emt 0:00:38]} 21. Nb1 {[%emt 0:01:40]} Ne4 {[%emt 0:02:12]} 22. Bf4 {[%emt 0:29:07]} Nc7 {[%emt 0:35:36]} 23. Nc3 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 24. Qxc3 {[%emt 0:00:00]} Nb5 {[%emt 0:00:00]} 25. Qd3 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 26. Rfe1 {[%emt 0:00:00]} Nd6 {[%emt 0:00:00]} 27. b3 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "8.5"]
[White "Sinha, Sahil"]
[Black "Prohaszka, Peter"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2353"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,32,31,18,34,23,35,32,31,35,36,0,22,0,35,0,0,0,1,0,6,4,0,7,23,20,33,22,23,30,33,12,20,0,0,0,0,0,0,-2,7,0,0,0,0,-13,0,-22,-15,-18,-29,-29,-21,-29,0,-24,-20,-28,-33,-35,-20,-400,-401,-452,-457,-457,-439,-448,-420,-479,-432,-901,-889,-853,-823,-5469,-5389,-5557,-5465,-5314,-5314,-5181,-2540,-29966,-29970,-29973,-29974,-29974,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be6 7. e3 Nbd7 8. Bd3 {White is slightly better.} c6 9. O-O Bd6 10. a3 O-O 11. Qc2 h6 12. Bh4 Qc7 13. Bg3 Bxg3 14. hxg3 {[#]} Rfe8 $146 ({Predecessor:} 14... Qd6 15. Rad1 Rfe8 16. Rfe1 Bg4 17. Rc1 Rad8 18. Nd2 c5 19. dxc5 Nxc5 20. Nb5 axb5 21. Qxc5 Qxc5 22. Rxc5 {0-1 (46) Shen,Y (2472)-Ju,W (2559) Yangzhou 2016}) 15. Rac1 Qd6 16. Na4 Ne4 17. b4 Bf5 18. Nc5 Rab8 19. Rfe1 Bh7 20. Nxd7 Qxd7 21. Ne5 Qe7 22. f3 Ng5 23. Bxh7+ Nxh7 24. g4 Nf6 25. Kf2 Nd7 26. Nxd7 Qxd7 27. a4 Re6 28. Rb1 Rbe8 29. Qd3 Qe7 30. g3 Qg5 31. Qf5 Qe7 {[%cal Re6e3]} 32. Qd3 g6 33. Re2 Kg7 34. Qd2 Rf6 {aiming for ...Qe4.} 35. Kg2 $2 {[%mdl 8192] [#] This costs White the game.} (35. Qd3 $11) 35... Rxf3 $1 $19 {[%mdl 576] White must now prevent ...Qe4! Remove Defender, Decoy} 36. Kxf3 {Hoping for Qd3.} (36. Qd3 Qf6) 36... Qe4+ {[%mdl 64] Double Attack} 37. Kf2 {Qe1 is the strong threat.} Qxb1 {[%mdl 4096] Endgame KQR-KQR} 38. Re1 Qe4 39. Qe2 Re6 40. Rf1 (40. g5 $142 hxg5 41. g4) 40... Rf6+ 41. Kg1 Rxf1+ 42. Kxf1 {KQ-KQ} Qh1+ 43. Kf2 Qh2+ 44. Kf3 Qxe2+ 45. Kxe2 {KP-KP} Kf6 46. Kf2 b5 {Black mates.} 47. axb5 axb5 48. e4 dxe4 49. Ke3 Kg5 50. Kxe4 Kxg4 51. Ke5 Kxg3 52. Kd6 h5 53. Kxc6 h4 54. d5 h3 55. d6 h2 {Weighted Error Value: White=0.49/Black=0.04} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.1"]
[White "Yip, Carissa"]
[Black "Belous, Vladimir"]
[Result "1/2-1/2"]
[WhiteElo "2423"]
[BlackElo "2521"]
[Annotator "NA RC"]
[PlyCount "10"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,10,11,25,21]} 1. Nf3 {[%emt 0:04:34]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:03]} g6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:04]} Bg7 {[%emt 0:00:00]} 4. O-O {[%emt 0:00:10]} O-O {[%emt 0:00:00]} 5. c4 {[%emt 0:00:03]} c5 $11 {[%emt 0:00:00]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.2"]
[White "Gauri, Shankar"]
[Black "Sinha, Sahil"]
[Result "1/2-1/2"]
[WhiteElo "2353"]
[BlackElo "2353"]
[Annotator "NA RC"]
[PlyCount "13"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:03:19]} Nf6 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:15]} b6 {[%emt 0:00:02]} 3. Bg2 {[%emt 0:00:27]} Bb7 {[%emt 0:00:03]} 4. O-O {[%emt 0:00:32]} e6 {[%emt 0:00:38]} 5. d3 {[%emt 0:07:04]} d5 {[%emt 0:01:08]} 6. Nbd2 {[%emt 0:00:24]} Nbd7 {[%emt 0:01:43]} 7. Re1 {[%emt 0:02:49]} 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.22"]
[Round "9.3"]
[White "Hilby, Craig"]
[Black "Mishra, Abhimanyu"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2454"]
[BlackElo "2370"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,0,0,3,0,0,-31,-23,-26,-22,-20,-10,-14,-25,-59,-37,-54,-55,-58,-45,-43,-35,-185,-173,-173,-166,-177,-179,-206,-212,-213,-185,-212,-120,-128,-125,-122,-127,-145,-130,-136,-116,-135,-43,-122,-60,-64,-74,-141,-109,-138,-131,-172,-179,-180,-178,-148,-167,-261,-263,-422,-254,-206,-159,-193,0,-224,-178,-500,-287,-294,-264,-778,-779,-769,-753]} 1. e3 d5 2. c4 c6 3. Nf3 Nf6 4. b3 e6 5. Bb2 Bd6 6. Nc3 O-O 7. Be2 b6 {A11: English Opening: 1...c6.} 8. Qc2 Bb7 9. Rg1 Na6 {Black is slightly better.} 10. g4 e5 11. g5 Nd7 {[#]} 12. a3 $146 ({Predecessor:} 12. cxd5 cxd5 13. Nb5 Rc8 14. Qf5 g6 15. Qh3 Bb8 16. Rg4 Re8 17. Qh6 Nf8 18. h4 {1-0 (32) Hillarp Persson,T (2543)-Andersen,M (2579) chess24.com INT 2020}) 12... Nc7 13. h4 Qe7 14. h5 f5 15. gxf6 Rxf6 16. Ng5 Nf8 17. Bd3 {[#]} (17. b4 $1 $15) 17... h6 $1 $19 {[%cal Rh6g5]} 18. Nh7 Nxh7 19. Bxh7+ Kh8 20. Bg6 Raf8 21. Rg2 Rf3 22. Ne2 Qf6 (22... Bc8 $19 23. cxd5 cxd5) 23. O-O-O Rxf2 24. Rxf2 Qxf2 25. Nc3 Ne6 26. Kb1 Qg2 27. b4 a6 ({Don't do} 27... dxc4 28. Ne4 $15) (27... Bc7 $17 28. cxd5 cxd5) 28. Qd3 (28. Na4 $1 $15) 28... Bc7 (28... Bb8 $17 29. Na4 Bc7) 29. cxd5 $15 cxd5 30. Qc2 (30. Rc1 $142) 30... b5 31. Bf5 Ng5 {[%cal Be6g5,Bg5f3,Bf3d2][%mdl 32]} 32. Bg6 Bb6 33. Na2 d4 34. exd4 exd4 35. Re1 (35. Nc1 $142) 35... Nf3 $19 36. Qf5 $2 (36. Re6 {was called for.} Nxd2+ 37. Ka1 Nb3+ 38. Kb1 Nd2+ 39. Ka1) 36... Nxd2+ ({Weaker is} 36... Be4+ 37. Rxe4 Nxd2+ 38. Kc1 $15) 37. Ka1 {[%cal Rf5f8] [#]} Nb3+ 38. Kb1 {[%cal Rf5f8]} Nd2+ ({Don't play} 38... Be4+ 39. Rxe4 Qxe4+ 40. Qxe4 $11) 39. Ka1 {[%cal Rf5f8]} Qf3 40. Qe6 (40. Qxf3 {is a better chance.} Nxf3 41. Re6) 40... Bd8 41. Nc1 Nc4 42. Bxd4 (42. Bd3 Qd5 43. Qg6) 42... Bd5 43. Qe2 Bf6 {Weighted Error Value: White=0.39/Black=0.27} 0-1

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.21"]
[Round "9.4"]
[White "Ostrovskiy, Aleksandr"]
[Black "Ringoir, Tanguy"]
[Result "1/2-1/2"]
[WhiteElo "2431"]
[BlackElo "2474"]
[Annotator "TA"]
[PlyCount "15"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,15,0,0,-491]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd4 exd4 6. e5 dxc3 7. exf6 Qxf6 {[#]} 8. Bf1 $146 {[%mdl 40960] An unexpected result. C48: Four Knights: 4 Bb5, replies other than 4...Bb4.} (8. dxc3 $11 c6 9. Bd3) ({Predecessor:} 8. dxc3 Qe5+ 9. Qe2 Qxe2+ 10. Kxe2 c6 11. Bd3 d5 12. Re1 Bd6 13. Bf4 Ke7 14. Kf3+ Be6 15. c4 dxc4 16. Bxc4 Bxf4 17. Kxf4 Rad8 18. Bxe6 fxe6 19. Re2 Rd4+ {0-1 (61) Duda,J (2757)-Aronian,L (2767) Stavanger 2020}) 1/2-1/2

[Event "Charlotte Spring GM Invitational 2021"]
[Site "Charlotte"]
[Date "2021.03.22"]
[Round "9.5"]
[White "Prohaszka, Peter"]
[Black "Wang, Kevin"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2581"]
[BlackElo "2402"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2021.03.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,-2,4,10,-3,11,28,10,10,20,11,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,0,0,29,0,31,0,0,0,35,0,28,0,33,34,38,41,14,0,85,98,94,50,235,240,207,134,397,373,374,377,374,363,596,596,630,620,5698,5622,5160,5143,29996,29996,29997,29998,29999]} 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 dxc4 7. Ne5 Qd6 {E06: Closed Catalan: Early deviations.} 8. a4 $5 {[%mdl 4] Leaves trodden paths.} Qa6 9. O-O Nc6 {White has an edge.} 10. Nb5 Nxe5 11. dxe5 Rd8 12. exf6 Rxd1 13. Rxd1 Bd6 ({Don't blunder} 13... gxf6 $2 14. Nxc7 Qa5 15. Nxa8 $18) 14. Bf4 $1 {[%cal Rb5d6]} Qa5 $1 15. Nxd6 cxd6 16. Rxd6 {[#]} gxf6 $146 {...Qb4 is the strong threat.} ({Predecessor:} 16... h5 17. fxg7 Kxg7 18. Bd2 Qc7 19. Bc3+ f6 20. Rad1 a5 21. Rd8 Ra6 22. Re8 e5 {1-0 (37) Lodici,L (2492)-Krasteva,B (2259) Graz 2020}) 17. Bh6 $1 {Threatens to win with Rad1.} e5 $1 18. Rad1 {Rd8+ would kill now.} Be6 19. Bxb7 Rb8 20. Bg2 Qc7 21. h4 f5 22. Kh2 Re8 23. Bc6 Rc8 (23... Rf8 {is interesting.} 24. R1d2 Rc8 25. e3 Rb8 26. e4 a6) 24. e3 {[%mdl 1024] White has compensation.} Rb8 25. R1d2 Qa5 26. Rd1 Qc7 27. e4 fxe4 (27... Qb6 $5 {[%cal Rb6f2]} 28. R1d2 fxe4 $11) 28. Bxe4 Re8 29. Bc6 Rb8 30. R1d2 Qe7 (30... Bf5 $11 31. Bg2 Bd3) 31. Bg5 $16 f6 32. Bh6 {Black must now prevent Rxe6!} Kh8 $2 {[#]} (32... Kf7 $1 $14) 33. Bd7 $1 $18 {[%cal Rd7e6]} Bf7 {And now ...Rxb2! would win.} 34. Bf5 Bg6 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (34... Be8 $16) 35. Rd7 $1 Qe8 36. Bxg6 hxg6 37. R2d6 ({Weaker is} 37. Bg7+ Kg8 $18) 37... Qc8 $2 (37... e4 38. Rxa7 Rd8 39. Rxf6 Rd7) 38. Rf7 Qe8 39. Rdd7 Qg8 40. Bg7+ {[%mdl 64] Double Attack} Kh7 41. Bxf6+ Kh6 42. Bg5+ {White mates.} Kh5 43. Kh3 {[%csl Gh3][%cal Rg3g4]} Rc8 44. g4# {Weighted Error Value: White=0.05/Black=0.45} 1-0

