[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "1.1"]
[White "Berczes, David"]
[Black "Wheeler, Cameron"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2433"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,39,19,10,20,18,17,20,27,25,29,18,29,4,22,0,33,27,133,135,108,41,107,35,14,16,443,462,29994,29995,29995,29996]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd7 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} (6... Qd8 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 Be7 11. c3 O-O 12. Qf3 Qc7 {½-½ (12) Guseinov,G (2666)-Nepomniachtchi,I (2767) Moscow 2019}) 7. O-O Nc6 8. Nb3 {[%cal Rb3d4]} Nf6 {The position is equal.} 9. Nbxd4 Nxd4 10. Nxd4 {aiming for Bb5.} a6 11. Re1 Bc5 12. c3 O-O 13. Bg5 b5 (13... Qd8 $11) 14. Bxf6 $146 ({Predecessor:} 14. Bd3) 14... gxf6 15. Qg4+ Kh8 16. Qf4 (16. Qf3 $16 Rg8 17. Qxf6+ (17. Qxa8 Bb7 $15 {[%mdl 64] Double Attack, Discovered Attack}) 17... Rg7 18. Bd3) 16... Be7 $1 $14 17. Bd3 $40 {[%mdl 128] Strongly threatening Bxh7! White has some attack.} Bb7 $2 {[%mdl 8192] [#]} (17... Rg8 $1 $11) 18. Bxh7 $1 $18 {[%mdl 512] Intending Qh6 and mate.} Kxh7 (18... Qd5 $18 19. Be4 Qg5) 19. Qh4+ Kg7 20. Qg4+ {Accuracy: White = 67%, Black = 45%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "1.2"]
[White "Liang, Jason"]
[Black "Francisco, Richard"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2353"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,6,7,-19,-3,-5,0,0,-5,-16,0,-14,0,0,0,-9,0,0,0,0,0,-30,14,0,0,0,0,0,0,0,0,0,0,0,31,-7,-11,-27,107,113,106,15,45,26,14,-421,-421,-417,-408,-407,-383,-426,-409,-363,-143,-2286,-2246,-29955,-12845,-12787,-12428,-12787,-12787,-5297,-5297,-29981,-29981,-5891,-5883,-29986,-29987,-29988,-29989,-29993,-29994,-29994,-29989,-29989,-29990,-29990,-29991,-29993,-29992,-29994,-29994,-29995,-29996,-29996,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. Bf4 e6 3. e3 b6 4. Nf3 Bb7 5. Nbd2 Nh5 6. Bg3 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} (6. Bg5 $5 {[%cal Rg5d8]} Be7 7. Bxe7 Qxe7 8. Bd3 $11) (6. Bg5 Be7 7. Bxe7 Qxe7 8. Bd3 O-O 9. Qe2 f5 10. h3 c5 11. g4 Nf6 12. dxc5 Nc6 13. g5 Nd5 14. cxb6 {0-1 (66) Biolek,R (2455)-Najer,E (2663) Czech Republic 2019}) 6... Nxg3 7. hxg3 g6 8. Bd3 {The position is equal.} Bg7 9. Qe2 d6 10. c3 a6 $146 ({Predecessor:} 10... Nd7 11. O-O-O c5 12. Bc2 {1-0 (24) Bukhteeva,V (2128)-Andrade,R (1756) Guimaraes 2019}) 11. O-O-O Nd7 12. Rh4 b5 13. Rdh1 h6 14. g4 g5 15. R4h2 (15. R4h3 {seems wilder.} Qe7 16. e4 c5 17. Kb1 O-O-O 18. Nf1) 15... Qe7 (15... Ke7 {is more complex.} 16. Kb1 c5 17. Ne4 c4 18. Bc2 Qb6) 16. Ne4 (16. Nf1 {with more complications.} c5 17. Ng3 d5 18. dxc5 Qxc5 19. Nh5) 16... Bxe4 17. Bxe4 d5 18. Bc2 $36 {[%mdl 2048] White has some pressure.} c5 19. e4 cxd4 20. Nxd4 dxe4 21. Qxe4 Rc8 22. Qb7 Qc5 23. Rd1 {Nxe6! is the strong threat.} Qc7 (23... Rc7 $11 24. Qa8+ (24. Qxa6 Ra7 $17) 24... Ke7) 24. Qxa6 $16 {Threatens to win with Nxe6!} O-O {[#]} 25. g3 (25. Nxe6 $1 $16 Qxh2 26. Nxf8 (26. Rxd7 Rfe8 $11) 26... Rxf8 27. Rxd7) 25... Ne5 $11 {[%cal Bd7e5,Be5c4,Bc4b2][%mdl 32]} 26. Qxb5 {And now Qe2 would win.} Nc4 27. b3 $2 {[%mdl 8192]} (27. Rhh1 $11 {and White is okay.}) 27... Nb2 $19 28. Rd3 Nxd3+ 29. Qxd3 {[%csl Gc2][%cal Rd3h7]} Rfd8 {Hoping for ...Qa5.} ({Inferior is} 29... Qxc3 30. Qh7#) 30. Kb2 Kf8 31. f4 Qb6 $2 (31... gxf4 $19 {is more deadly.} 32. gxf4 Qxf4) 32. fxg5 $2 {[%mdl 8192] [#]} (32. Rd2 $17) 32... Rxc3 $1 {[%mdl 512]} 33. Kxc3 Bxd4+ 34. Kd2 Be3+ 35. Ke2 Rxd3 36. Bxd3 Bxg5 37. Bc4 Qe3+ 38. Kf1 Qxg3 39. Rg2 Qh3 {Black mates.} 40. Ba6 Qh1+ 41. Rg1 Qf3+ 42. Ke1 Bh4+ 43. Kd2 Qf2+ {[%mdl 64] Double Attack} 44. Be2 Qxg1 45. a4 Qd4+ 46. Kc2 Bf6 47. Bc4 Qc3+ 48. Kd1 Bg5 {[%csl Gg5][%cal Rc3d2]} 49. Ke2 Qe3+ 50. Kf1 Bh4 {[%csl Gh4][%cal Re3f2]} 51. Kg2 Qf2+ 52. Kh1 Bg3 {[%csl Gg3][%cal Rf2h2]} 53. a5 Qh2# {Accuracy: White = 22%, Black = 50%.} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "1.3"]
[White "Uyanga, Byambaa"]
[Black "Li, Eric"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "2113"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,118,-9,-7,-10,0,-7,0,0,11,6,47,14,22,-43,42,50,41,5,23,-7,-2,-51,-36,-102,-20,0,0,0,0,-13,0,-27,-24,-20,-4,-20,0,-3,0,0,0,-29,-29,-104,-78,-232,-233,-207,-188,-167,-89,-293,-268,-258,-250,-242,-131,-133,-147,-176,-164,-152,-133,-177,-180,-191,-184,-236,-227,-256,-234,-301,-280,-294,-260,-298,-259,-262,-251,-237,-208,-190,-196,-210,-203,-293,-285,-297,-300,-291,-247,-333,-318,-326,-316,-509,-508,-506,-529,-603,-592,-642,-642,-622,-608]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. g4 Nc5 9. f3 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5} b5 10. Be3 Bb7 11. Qd2 {The position is equal.} Nfd7 12. O-O-O Nb6 13. Bg5 Be7 14. h4 (14. Bxe7 $11 Qxe7 15. h4) 14... h6 $146 ({Black should try} 14... b4 $1 $15 15. Nce2 a5) ({Predecessor:} 14... b4 15. Nd5 Nxb3+ 16. axb3 Bxg5 17. hxg5 exd5 {0-1 (25) Cuhra,M (2247)-Cernousek,L (2453) Czechia 2015}) 15. Bxe7 $14 Qxe7 16. g5 O-O-O 17. Rdg1 hxg5 (17... b4 {looks sharper.} 18. Nce2 d5 19. gxh6 gxh6 20. e5 Nc4) 18. Rxg5 g6 19. h5 (19. a3 $15) 19... gxh5 (19... Qf6 $17 {...e5 is the strong threat.} 20. Qe3 b4) 20. Rgxh5 $11 Rxh5 21. Rxh5 Qf6 22. Nce2 Rg8 23. Qh6 Qxh6+ 24. Rxh6 Rg7 25. Kd2 Kd7 26. Ke3 Ke7 27. Rh8 Nbd7 28. c3 Ne5 29. Rb8 (29. Rh1 $11) 29... Kd7 30. Rf8 $2 (30. Rh8 $17) 30... Ng6 $19 31. Rb8 Kc7 32. Re8 {[%cal Rb3e6]} Bc8 (32... Nxb3 $19 33. axb3 Kd7) 33. Bxe6 $2 (33. Ng3 $17) 33... Bxe6 ({But not} 33... fxe6 34. b4 $17) 34. b4 Bd7 ({Less strong is} 34... Bxa2 35. Nc1 $15) 35. Ra8 {[#]} Nb7 (35... Na4 $1 $19 {[%cal Ra4b6] And now ...Nb6 would win.} 36. Ra7+ Kc8 37. Rxa6 Ne5 38. Ra8+ Kc7 39. Ra7+ Kb6) 36. Rxa6 Ne5 37. Nf4 Nc4+ 38. Kf2 Nb6 39. Nh5 {[#]} Rg6 $1 40. Nf4 Rh6 41. Kg2 (41. Nde2 $142) 41... Nd8 42. Ra5 Nc6 43. Nxb5+ Kb7 44. Ra3 Ne5 45. Nd4 Rf6 46. Nd5 Nxd5 47. exd5 Nc4 48. Rb3 Ne3+ 49. Kf2 Nxd5 50. c4 (50. Ke2 $142) 50... Rf4 51. Rd3 Nxb4 {[%mdl 64] Double Attack} 52. Rd2 {intending Ke3.} Kc7 53. Kg3 Rf6 54. f4 Na6 55. f5 $2 (55. Nb5+ Bxb5 56. cxb5) 55... Bxf5 {Black is clearly winning.} 56. Rf2 Rg6+ 57. Kf4 Rg4+ 58. Ke3 Re4+ 59. Kd3 Rf4+ {Accuracy: White = 28%, Black = 56%.} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "1.4"]
[White "Gauri, Shankar"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2350"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,22,34,39,35,34,32,28,50,49,52,36,72,68,118,118,139,147,175,150,172,134,130,120,152,143,179,135,205,176,183,148,213,151,233,235,268,237,290,310,425,407,517,515,557,139,664,623,654,622,700,718,1282,1251,29989,29990,29990,29984,29986,29987,29992,29993,29995,29996]} 1. Nf3 c5 2. e3 g6 3. d4 cxd4 4. exd4 Bg7 5. Be2 Nf6 6. O-O d5 7. c3 {B06: Modern Defence.} O-O 8. Re1 Nc6 9. Bf4 {White is slightly better.} Bd7 10. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} a6 11. Bd3 {[#]} b5 $146 ({Predecessor:} 11... Bg4 12. h3 Bxf3 13. Nxf3 Rc8 14. Qd2 e6 15. h4 Na5 16. Bg5 Nc4 17. Bxc4 dxc4 {1-0 (39) Andreikin,D (2712)-Fontaine,R (2563) chess.com INT 2018}) 12. Nb3 Qb6 13. Nc5 Be8 14. b4 a5 15. a3 Ra7 16. Qe2 Nd8 17. h3 Kh8 18. g4 Ng8 19. Kg2 Nb7 (19... Nf6 $16 {was called for.} 20. Bg3 Ne4) 20. h4 Qc6 21. h5 {Strongly threatening Rh1.} Qc8 (21... Nxc5 $16 22. dxc5 (22. bxc5 gxh5 23. Rh1 Qc8 $16) 22... gxh5) 22. Ne5 g5 (22... gxh5 $16 {is a better defense.} 23. f3 (23. gxh5 Nh6 $16) 23... Nxc5 24. bxc5 f6) 23. Bxg5 $18 Nxc5 24. bxc5 (24. dxc5 Bxe5 25. Qxe5+ f6 $15) 24... Bxe5 25. dxe5 ({Worse is} 25. Qxe5+ f6 $11) 25... Bd7 26. f3 Rb7 27. Bc2 f6 28. Qd3 $2 (28. Bd2 $18 {has better winning chances.}) 28... f5 $2 {[%mdl 8192]} (28... Bf5 $16 29. Bxf6+ (29. gxf5 fxg5 30. Qd4 Rc7 $14) (29. Qxf5 e6 $16) 29... Rxf6 30. gxf5 Rc6) 29. Qd4 {aiming for e6+.} e6 30. gxf5 Qe8 31. f6 Qxh5 32. Qf4 Qe8 {[#]} 33. Rh1 $1 {[%csl Gc2][%cal Rh1h7] White mates.} Bc6 34. Bxh7 {Played: Rh1-h4} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "2.1"]
[White "Berczes, David"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2433"]
[BlackElo "2353"]
[Annotator "ChessBase"]
[PlyCount "74"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c6 {[%emt 1:30:30]} 2. Nc3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} dxe4 {[%emt 0:00:30]} 4. Nxe4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Qe2 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 6. Qxe4 {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 7. b4 {[%emt 0:00:30]} Qf5 {[%emt 0:00:30]} 8. Qe3 {[%emt 0:00:30]} Qxc2 {[%emt 0:00:30]} 9. Bd3 {[%emt 0:00:30]} Qa4 {[%emt 0:00:30]} 10. a3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30]} Bxf3 {[%emt 0:00:30]} 12. Qxf3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 13. Re1 {[%emt 0:00:30]} Qb3 {[%emt 0:00:30]} 14. Rb1 {[%emt 0:00:30]} Qd5 {[%emt 0:00:30]} 15. Be4 {[%emt 0:00:30]} Qd6 {[%emt 0:00:30]} 16. b5 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 17. bxc6 {[%emt 0:00:30]} bxc6 {[%emt 0:00:30]} 18. d4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 19. Bf4 {[%emt 0:00:30]} Qd7 {[%emt 0:00:30]} 20. Rb8 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 21. Rxc8+ {[%emt 0:00:30]} Qxc8 {[%emt 0:00:30]} 22. Qxe4 {[%emt 0:00:30]} Qd7 {[%emt 0:00:30]} 23. Rc1 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 24. Rxc6 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 25. Rc7 {[%emt 0:00:30]} Qa4 {[%emt 0:00:30]} 26. g3 {[%emt 0:00:30]} Bd8 {[%emt 0:00:30]} 27. Rb7 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 28. Bd6 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 29. Qf3 {[%emt 0:00:30]} Bf6 {[%emt 0:00:30]} 30. Qh5 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 31. Qf3 {[%emt 0:00:30]} Qxd4 {[%emt 0:00:30]} 32. Qc6 {[%emt 0:00:30]} Qd1+ {[%emt 0:00:30]} 33. Kg2 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 34. Qc7 {[%emt 0:00:30]} Qd5+ {[%emt 0:00:30]} 35. Kg1 {[%emt 0:00:30]} Qd1+ {[%emt 0:00:30]} 36. Kg2 {[%emt 0:00:30]} Qd5+ {[%emt 0:00:30]} 37. Kg1 {[%emt 0:00:30]} Qd1+ {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "2.2"]
[White "Eswaran, Ashritha"]
[Black "Jacobson, Aaron"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2252"]
[BlackElo "2336"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,105,24,16,23,19,58,26,36,27,18,24,35,0,10,-1,8,-37,0,-19,-6,-15,0,0,-14,0,9,-8,5,-38,-38,-44,-33,-43,-50,-31,1,0,0,-44,-32,-64,-62,-58,-62,-70,-70,-77,-60,-53,-44,-109,-102,-102,-110,-90,-68,-222,-202,-245,-285,-237,-228,-364,-395,-539,-541,-520,-162,-161,-154,-244,-83,-106,46,39,522,495,1307,1289,1248,1230,1163,1163,1147,1121,29977,29978,29979,29979,29979,29980,5157,668]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} 9. Ne2 h5 10. Be3 (10. O-O h4 11. h3 Nd7 12. Bf4 Nf8 13. Qd2 Ng6 14. Bxd6 Qxd6 15. Rae1 Be6 16. Bxg6 fxg6 {½-½ (30) Popov,I (2636)-Artemiev,V (2731) Moscow 2019}) 10... Nd7 {White has an edge.} 11. O-O-O Nf8 12. Kb1 $146 ({Predecessor:} 12. h3 Be6 13. g4 h4 14. Kb1 {1-0 (56) Merry,A (2426)-Harvey,M (2405) Hull 2019}) 12... Be6 13. h3 b5 14. g4 h4 15. Rhg1 Bh2 16. Rge1 (16. Rh1 $5 {[%cal Rh1h2]} Qd6 17. Be4 $11) 16... Bd5 17. Nf4 Bf3 18. Be2 Bxe2 19. Nxe2 Qd5 20. Rh1 Bc7 21. Nc1 Ng6 22. Nd3 a5 23. Rde1 Re7 24. Rc1 f5 25. gxf5 Qxf5 26. Ka1 Rae8 27. c4 bxc4 28. Qxc4 Re6 29. Nc5 Rf6 30. Nd3 Ne7 {[%cal Bg6e7,Be7d5,Bd5e3][%mdl 32]} 31. Ne5 Re6 32. Rcg1 (32. Rhf1 $15) 32... Nd5 $17 33. Nxc6 Nxe3 34. fxe3 Rxe3 35. d5 $2 (35. Qc5 $15 Qxc5 36. dxc5) 35... Rxh3 $19 36. Rxh3 Qxh3 37. a3 Qe3 38. Rf1 (38. Qg4 {only move.} g6 39. Rh1) 38... Qe2 39. Qc1 h3 40. Nd4 Qd3 $2 (40... Qg2 41. Rg1 Qxd5 42. Qxc7 Qxd4) 41. Rd1 Qg3 {Hoping for ...Bf4.} 42. Nf5 (42. d6 $17 Qxd6 43. Nb5) 42... Qf4 $2 (42... Qg4 $19 {and Black stays clearly on top.} 43. Rg1 Qxf5 44. Qxc7 Qf3) 43. Qc6 Re2 $2 (43... Rd8 $17 {...h2 is the strong threat.} 44. d6 Bxd6 45. Rxd6 Rxd6 46. Nxd6 h2 47. Qc8+ Kh7 48. Qh3+ Kg6 49. Qg2+ Kf6 50. Ne4+ Kf5) 44. d6 $40 {[%mdl 128] White attacks.} Bd8 $2 {[%mdl 8192]} (44... Bxd6 $1 $14 45. Nxd6 Re6) 45. Qc8 $18 Re8 (45... h2 $142 46. Ne7+ Kh7) 46. Ne7+ {[%mdl 64] [#] Discovered Attack} Kh8 47. Qxh3+ Qh6 48. Qd7 Rf8 49. Qb7 g5 {[#]} 50. Rh1 $1 {[%mdl 512]} Qxh1+ 51. Qxh1+ Kg7 52. Nf5+ Kg6 53. Qh6+ {[%mdl 64] Double Attack. Accuracy: White = 36%, Black = 51%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "2.3"]
[White "Li, Eric"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2195"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,153,8,20,23,30,35,38,-10,-10,-15,-12,-13,0,0,0,0,0,-12,33,0,0,0,-10,-26,-26,-26,-24,-22,-29,-31,0,-2,-8,0,57,31,101,100,99,93,118,111,127,117,127,127,125,127,142,116,126,0,133,137,139,138,130,126,124,121,108,114,107,100,206,80,80,80,89,77,120,40,30,57,38,38,108,94,232,81,29972,29968,29968,468,677,502,518,429,419,408,551,551,602,600,593,589,576,572,572,557,594,573,634,626,591,551,591,528,656,645,631,564,630,616,29967,29964,5393,1755,4934,1636,2093,1902,4590,2715,3840,1702,1637,1579,1428,1341,1765,1523,29970,29958,29974,29975,29973,29974,29979,29980,29980,29981]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 O-O 6. e4 d6 7. Nge2 b5 8. Nf4 {E20: Nimzo-Indian: 4 g3 and 4 f3} ({Of course not} 8. cxb5 exd5 9. exd5 Nbd7 $17) 8... a6 9. Be3 exd5 10. cxd5 {White is slightly better.} Nbd7 11. Be2 c4 12. O-O Ba5 $146 ({Predecessor:} 12... Bc5 13. Bxc5 Nxc5 14. b4 cxb3 15. axb3 b4 {0-1 (39) Grischuk,A (2781)-Topalov,V (2798) Stavanger 2015}) 13. Qd2 Ne5 14. Kh1 Bd7 15. a3 Rc8 16. Bd1 Bb6 17. Bc2 a5 18. Bxb6 Qxb6 19. Nce2 b4 20. axb4 axb4 21. Qd4 Qxd4 22. Nxd4 Ra8 23. b3 g6 (23... g5 $11 24. Nfe2 c3) 24. Kg1 (24. Rxa8 {feels hotter.} Rxa8 25. bxc4 g5 26. Nfe2 Nxc4 27. Kg1) 24... Rfc8 (24... g5 $14 25. Nfe2 c3) 25. Rxa8 Rxa8 26. bxc4 Rc8 27. Bb3 g5 28. Nfe2 Nxc4 29. Bxc4 Rxc4 30. Rc1 Rc5 31. Rb1 Rc4 32. Rc1 Rc5 $1 33. Kf2 Nh5 34. Rb1 Rc4 35. Ke3 Nf4 36. Nxf4 gxf4+ $16 {[%mdl 4096] Endgame KRB-KRN} 37. Kd3 Rc3+ 38. Kd2 Ra3 (38... Rc4 $16 {was worth a try.} 39. Nc2 Ba4 40. Nxb4 h5) 39. Nc2 (39. Rxb4 $18 {is more deadly. aiming for Rb7.} Ra2+ 40. Kc3) 39... Ra2 {And now ...Ba4 would win.} 40. Rxb4 Ba4 41. Rc4 Kg7 42. g3 (42. Kc1 $16) 42... fxg3 $14 43. hxg3 f5 $1 44. exf5 Kf6 {[#]} (44... h5 $1 $14) 45. g4 $1 $16 Ke5 (45... Kg5 $16 {might work better.}) 46. Kc1 $2 (46. f4+ $18 {has better winning chances.} Kxd5 47. Kd3 Bxc2+ 48. Rxc2) 46... Kxd5 $2 {[%mdl 8192]} (46... Bxc2 $16 47. Rxc2 Ra3) 47. Ne3+ Ke5 48. Kb1 (48. f4+ $142 Kf6 49. Rc7 Rc2+ 50. Nxc2 Be8 51. Nd4 h6 52. Rh7 Bf7 53. Rxh6+ Ke7 54. f6+ Kd8 55. Rh7) 48... Bb3 (48... d5 $142 49. f6 (49. Kxa2 dxc4 50. Ka3 Bc6 $11) 49... Be8) 49. f4+ Kf6 50. Nd5+ Kf7 51. Rc7+ Kf8 52. Nf6 Rf2 53. Nxh7+ Ke8 54. Nf6+ Kd8 55. Rd7+ Kc8 56. Rxd6 Rxf4 57. Kb2 Bc4 58. Kc3 {Threatens to win with Rd4.} Be2 59. Rd4 Rf1 {If Black can now play ...Bxg4 this consolidates a bit.} 60. Rd5 Bf3 61. Rc5+ Kd8 {Now ...Rg1 and Black clings on.} 62. Kd4 Ke7 63. g5 Rg1 64. Rc7+ Kd8 65. Rd7+ Kc8 66. Rg7 (66. g6 $142 Bd1 67. g7) 66... Bd1 67. Ne4 Bc2 68. Nd6+ Kd8 69. Ke5 (69. g6 $142 Bb1 70. Ke5) 69... Re1+ $18 70. Kf6 Rd1 71. Nf7+ Kc7 72. g6 Rf1 {[#]} 73. Nh6+ $1 {White mates.} Kd6 74. Rg8 Rh1 75. Rh8 Kd7 76. g7 Bb3 77. Nf7 {Accuracy: White = 60%, Black = 40%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "2.4"]
[White "Francisco, Richard"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2256"]
[BlackElo "2113"]
[Annotator "ChessBase"]
[PlyCount "73"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 1:30:30]} Nf6 {[%emt 1:30:30]} 2. g3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 5. e4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 6. Nge2 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 7. d3 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 8. O-O {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 9. Be3 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 10. exf5 {[%emt 0:00:30]} gxf5 {[%emt 0:00:30]} 11. f4 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 12. Qd2 {[%emt 0:00:30]} Qd7 {[%emt 0:00:30]} 13. Rae1 {[%emt 0:00:30]} Rae8 14. b3 {[%emt 0:00:30]} Nd4 {[%emt 0:01:00]} 15. Kh1 {[%emt 0:00:30]} Bf7 {[%emt 0:00:30]} 16. Bg1 {[%emt 0:00:30]} Re6 {[%emt 0:00:30]} 17. Nxd4 {[%emt 0:00:30]} exd4 {[%emt 0:00:30]} 18. Nb5 {[%emt 0:00:30]} Rh6 {[%emt 0:00:30]} 19. Rf3 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 20. cxd5 {[%emt 0:00:30]} Qxb5 {[%emt 0:00:30]} 21. Re7 {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} 22. Qe1 {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 23. Re6 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 24. Bxd4 {[%emt 0:00:30]} Rxh2+ {[%emt 0:00:30]} 25. Kxh2 {[%emt 0:00:30]} Ng4+ {[%emt 0:00:30]} 26. Kh1 {[%emt 0:00:30]} Bxd4 {[%emt 0:00:30]} 27. Qe2 {[%emt 0:00:30]} Qxd5 {[%emt 0:00:30]} 28. Rf1 {[%emt 0:00:30]} Qc5 {[%emt 0:00:30]} 29. Bf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 30. Kg2 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 31. Re1 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 32. Bh5 {[%emt 0:00:30]} Rd7 {[%emt 0:00:30]} 33. Rxf6+ {[%emt 0:00:30]} Bxf6 {[%emt 0:00:30]} 34. Qe8+ {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 35. Qxd7+ {[%emt 0:00:30]} Kh6 {[%emt 0:00:30]} 36. Qxf5 {[%emt 0:00:30]} Qc3 {[%emt 0:00:30]} 37. Re6 {[%emt 0:00:30]} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.17"]
[Round "2.5"]
[White "Wheeler, Cameron"]
[Black "Martin Del Campo C., Roberto"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2383"]
[BlackElo "2322"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2020.01.17"]
[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. c4 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 4. g3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 5. Bg2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 6. O-O {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 7. Nc3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 8. d5 {[%emt 0:00:30]} Na5 {[%emt 0:00:30]} 9. b3 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 10. Bd2 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 11. h3 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 12. e4 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 13. dxe6 {[%emt 0:00:30]} Bxe6 {[%emt 0:00:30]} 14. Rc1 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 15. Ng5 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 16. e5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} 17. Nxe6 {[%emt 0:00:30]} fxe6 {[%emt 0:00:30]} 18. Qe1 {[%emt 0:00:30]} b4 {[%emt 0:00:30]} 19. Na4 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 20. Rd1 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 21. Qe4 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 22. Nb2 {[%emt 0:00:30]} Kh8 {[%emt 0:00:30]} 23. Be3 {[%emt 0:00:30]} Rf7 {[%emt 0:00:30]} 24. Rd2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 25. Rfd1 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 26. Qh4 {[%emt 0:00:30]} Rd7 {[%emt 0:00:30]} 27. Rxd7 {[%emt 0:00:30]} Nxd7 {[%emt 0:00:30]} 28. Qe7 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 29. Bg5 {[%emt 0:00:30]} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "3.1"]
[White "Uyanga, Byambaa"]
[Black "Berczes, David"]
[Result "0-1"]
[ECO "C13"]
[WhiteElo "2113"]
[BlackElo "2433"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,90,24,0,18,-6,8,-45,-50,-50,-32,-106,-88,-99,-93,-139,-124,-156,-156,-139,-127,-127,-122,-120,-125,-134,-133,-133,-133,-122,-140,-132,-116,-119,-118,-163,-158,-183,-180,-179,-184,-206,-211,-210,-196,-212,-191,-277,-252,-553,-532,-598,-584,-605,-606,-626,-624,-660,-651,-690,-677,-645,-568,-1485,-1495,-1347,-1243,-2875,-2810,-2729,-2625,-4141,-4137,-5471,-4837,-1964,-1571,-1444,-1041]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4g3][%mdl 32]} Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Ng3 h5 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} (8... c5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. d5 exd5 12. Ne5 Qe6 13. f4 Nd7 14. O-O O-O-O 15. Qh5 Nxe5 16. fxe5 Qxe5 17. Rae1 Qd4+ 18. Kh1 Qh4 19. Rxf5 Qxh5 20. Nxh5 {0-1 (49) Gashimov,V (2746)-Carlsen,M (2815) Monte Carlo 2011}) 9. h4 c5 10. Bd3 $146 (10. dxc5 $11 Nd7 11. Qd4) ({Predecessor:} 10. Bb5+ Kf8 11. c3 cxd4 12. Qxd4 Qxd4 13. Nxd4 f4 14. Nge2 e5 15. Nf3 f6 16. Bc4 {0-1 (54) Kosteniuk,A (2550)-Sutovsky,E (2647) Caleta 2016}) 10... cxd4 $15 {Black is slightly better.} 11. Nxd4 Bxh4 ({Reject} 11... Bb4+ $6 12. c3 $16) 12. Nb5 ({Better is} 12. Bb5+ $15 Bd7 13. Nxh5) 12... Bxg3 $1 $17 13. fxg3 a6 14. Nc3 {[#]} Qg5 $1 15. Qf3 Nd7 16. Ne2 Ne5 17. Qf4 Qxf4 18. Nxf4 Ke7 19. Rxh5 Rxh5 20. Nxh5 Bd7 {Threatens to win with ...Rh8.} 21. Be2 Rc8 22. c3 b5 23. Nf4 Nc4 24. b3 Nd6 25. c4 bxc4 26. bxc4 Ne4 27. g4 fxg4 28. Bxg4 Rxc4 {And now ...Nf6 would win.} 29. Be2 Rd4 30. Bxa6 {[#]} (30. Bf3 {was worth a try.}) 30... Nc5 $1 $19 {[%csl LRa6,LRf4][%cal Rc5a6]} 31. Ne2 $2 (31. Nxe6 {was the crucial defense.} Bxe6 32. Be2) 31... Rh4 {Black is clearly winning.} 32. O-O-O Nxa6 33. Nd4 e5 34. Nf3 Rc4+ 35. Kb2 {White hopes to continue with Rxd7+!} f6 36. Rd5 Rb4+ 37. Kc3 Rb5 38. Kc4 Rxd5 39. Kxd5 Be6+ 40. Ke4 Nc5+ 41. Ke3 Bxa2 42. g4 Ne6 43. Nh4 Bb1 44. Nf3 Bc2 45. Nd2 Bd1 {Accuracy: White = 16%, Black = 90%.} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "3.2"]
[White "Liang, Jason"]
[Black "Wheeler, Cameron"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2353"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,126,2,13,-3,2,17,7,-5,29,27,36,10,27,19,23,-20,0,-27,-25,-66,0,-8,0,-29,-8,-62,-14,-63,-66,-254,-227,-284,-269,-386,-373,-512,-402,-699,-613,-1542,-288,-517,-511,-504,-500,-494,-493,-481,-386,-388,-386,-867,-867,-867,-867,-860,-860,-860,-860,-852,-831,-718,-594,-426,-426,-4125,-4125,-1812,-1651,-29969,-29970,-29973,-29971,-29971,-29972,-29973,-29974,-29974,-29975,-29975,-29974,-29978,-29976,-29976,-29977,-29990,-29982,-29982,-29983,-29984,-29982,-29982,-29983,-29987,-29988,-29988,-29989,-29988,-29989,-29989,-29990,-29991,-29992,-29992,-29991,-29994,-29995,-29995,-29995,-29997,-874]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Qd3 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} Qxe5+ 11. Ne2 $1 dxc3 12. Qxc3 {The position is equal.} Qxc3+ (12... Nbc6 {seems wilder.} 13. Qxe5 Nxe5 14. Nd4 Bd7 15. h4 Nc4) (12... Nbc6 13. Qxe5 Nxe5 14. Ng3 f6 15. Bb2 Kf7 16. Nh5 Nd7 17. O-O-O b6 {1-0 (39) Huschenbeth,N (2620)-Naiditsch,A (2643) Khanty-Mansiysk 2019}) 13. Nxc3 Nbc6 14. h4 $146 ({Predecessor:} 14. Nb5 Kd8 15. f4 a6 16. Nd6 f6 17. Bb2 Rf8 {½-½ (34) Antal,L (2219)-Balogh,L (2192) Hungary 2007}) 14... f6 15. Rb1 b6 16. Bb2 e5 17. Rd1 Be6 18. Bb5 O-O-O ({Much weaker is} 18... Rxg2 $6 {[#]} 19. Nxd5 $1 {[%mdl 512]} Bxd5 20. Rxd5 $1 $16 {[%mdl 512]}) (18... Rc8 $15) 19. Kf1 $11 Kb7 20. Ne2 a6 21. Bxc6+ ({White should try} 21. Bd3 $11) 21... Kxc6 22. Re1 Kd7 $36 {[%mdl 2048] Black has some pressure.} 23. f4 $2 ({Better is} 23. c3 $15) 23... Nf5 24. Kf2 d4 25. fxe5 (25. g3 $142) 25... fxe5 $19 {Strongly threatening ...Rdf8.} 26. Ng1 {[#]} e4 $1 {[%mdl 512]} 27. Re2 (27. Bxd4 $142 Nxd4 28. Rxe4 Rxg2+ 29. Kxg2) (27. Rxe4 Bd5) 27... e3+ 28. Rxe3 Bd5 $2 (28... dxe3+ 29. Kf3 Rdf8) 29. Re5 $2 (29. Rf3 {was the only chance.} Rc8 30. Rxf5 Rxc2+ 31. Ke1 Bxg2 32. Bxd4 Bxh1 33. Ne2) 29... Rxg2+ 30. Ke1 Re8 31. Rxe8 Kxe8 32. Ne2 {[#]} d3 {Played: Rg2xe2} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "3.3"]
[White "Gauri, Shankar"]
[Black "Francisco, Richard"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2350"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "38"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,25,0,0,0,0,30]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Re8 10. Bf4 Ne4 11. Nxe4 Rxe4 12. Nd2 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Rxf4 $1 13. gxf4 {[#]} {Predecessor:} Bxb2 $146 14. Rb1 Bg7 15. e4 Nd7 16. Re1 Bh6 17. e5 Bxf4 18. e6 Ne5 19. Re4 Qf6 {1-0 (31) Yuffa,D (2582)-Saric,I (2703) Skopje 2019} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "3.4"]
[White "Jacobson, Aaron"]
[Black "Li, Eric"]
[Result "1/2-1/2"]
[ECO "A17"]
[WhiteElo "2336"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,122,8,4,12,13,3,10,14,40,39,44,44,51,49,47,12,12,12,13,0,12,0,0,0,0,-15,-8,-5,5,0,8,0,6,-43,-17,-85,-87,-82,-81,-36,-25,-199,-189,-195,-193,-201,-127,-165,-87,-92,-100,-75,-27,-314,-142,-127,-127,-140,-68,-60,0,-108,-54,-69,-76,-81,0,0,0,0,0,-9,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-26,0,-27,0,0,0,-64,0,-8,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 b6 5. b3 Bb7 6. Bb2 {A17: English Opening: 1...Nf6 with ...Bb4} Nbd7 7. g3 (7. Rc1 a6 8. cxd5 exd5 9. d4 Bd6 10. g3 O-O 11. Bg2 Re8 12. O-O Qe7 13. Ne2 Rad8 {1-0 (38) Nihal,S (2612)-Nepomniachtchi,I (2767) Moscow 2019}) 7... a6 8. Bg2 $146 ({Predecessor:} 8. cxd5 exd5 9. Bg2 g6 10. O-O Bg7 11. d4 O-O 12. Rc1 Re8 {1-0 (50) Grachev,B (2614)-Abdusattorov,N (2635) Moscow 2019}) 8... Nc5 9. d4 Nce4 10. Nxe4 Nxe4 11. O-O Bd6 12. cxd5 exd5 13. Ne5 O-O 14. Rc1 a5 15. a4 Re8 16. Rc2 Ba6 17. Nc6 Qd7 18. Re1 Bb7 19. Ne5 Qe6 20. Qc1 c5 21. Nf3 Ba6 22. dxc5 (22. Bf1 $11) 22... bxc5 $17 23. Bf1 Bxf1 24. Rxf1 Rab8 25. Qe1 $2 (25. Nd2 $11 {and White stays safe.}) 25... Rxb3 $19 26. Qxa5 Reb8 27. Ba1 Qf5 28. Nh4 Qd7 (28... Qh3 $19 {White must now prevent ...Rb1.} 29. Qe1 Ra3) 29. f3 $17 Ng5 30. Qd2 Qe6 ({Reject} 30... Qxa4 $6 31. Qxd5 Be7 32. Rcc1 $11) 31. Ng2 $2 {[%mdl 8192] [#]} (31. e4 $1 $11 Nh3+ 32. Kg2 dxe4 33. fxe4) 31... Rb1 (31... d4 $1 $19 {[%mdl 512] is more deadly.} 32. Qd1 (32. exd4 Nxf3+) 32... d3) 32. Rcc1 Rxc1 33. Qxc1 Qf5 (33... Nh3+ $17 34. Kh1 Rb3) 34. Nh4 $15 Qe6 ({Black should play} 34... Qh3 $15 35. Ng2 Qd7) 35. Qd2 (35. Ng2 $1 $11) 35... f6 (35... Rb4 $17 36. a5 Ra4) 36. Rd1 Bc7 37. Bc3 Ra8 (37... Rd8 $17) 38. Qxd5 $11 Rxa4 39. Qxe6+ Nxe6 40. Rd7 Kf8 41. Nf5 {And now Nxg7! would win.} Ra3 42. Bd2 Ba5 43. Bxa5 Rxa5 {[%mdl 4096] Endgame KRN-KRN} 44. Nd6 Ng5 45. f4 $1 {[%cal Rf4g5]} Ra1+ $1 46. Kg2 Ra2+ 47. Kf1 Nf3 {Threatens to win with ...Rd2.} 48. Rf7+ Kg8 49. h3 Nh2+ 50. Kg1 Nf3+ (50... Rd2 $5 51. Rd7 $8 Nf3+ 52. Kf1 g6 $11) 51. Kf1 Rd2 52. Rd7 {[%cal Rd7d8]} h5 {...c4! is the strong threat.} (52... h6 $5 53. Rd8+ $8 Kh7 $11) 53. Rd8+ Kh7 {Strongly threatening ...c4!} 54. Nf7 Nh2+ (54... c4 $5 {[%cal Rd2d8]} 55. Rc8 Nh2+ 56. Ke1 Nf3+ 57. Kf1 h4 $11) 55. Kg1 Nf3+ (55... c4 $11 56. Rxd2 (56. Ng5+ $2 fxg5 57. Rc8 Nf3+ 58. Kf1 Rc2 $19) 56... Nf3+ {[%mdl 64] Double Attack} 57. Kf2 Nxd2) 56. Kf1 $15 Nh2+ (56... c4 $1 $15 57. Rc8 {[#]} c3 $1 {[%mdl 512]} 58. Rxc3 Rd7) 57. Kg1 $11 {The position is equal.} Rxd8 58. Nxd8 c4 59. Nc6 c3 60. Nb4 Nf3+ 61. Kf2 Nd2 {Accuracy: White = 43%, Black = 39%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "3.5"]
[White "Martin Del Campo C., Roberto"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2322"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,146,-25,-9,-16,-14,-34,6,7,23,26,39,0,66,51,52,45,52,12,24,12,27,21,26,-52,-43,-37,-25,-10,0,-30,-28,-42,-20,-52,-25,-33,-31,-76,-56,-56,-9,-17,0,-13,17,0,0,-58,6,0,0,0,0,0,15,15,33,33,33,26,32,26,26,26,33,33,33,33,33,33,33,0,0,0,0,0,22,22,31,31,31,31,31,31,31,31,73,73,73,74,73,74,74,74,143,143,143,26,26,26,721,720,714,690,664,493,489,471,459,473,416,479,724,674,29987,29988,29991,29992,29992,29993,29993,29993,29994,29994,29994,29995,29995,29996,29998,29999,29999]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. O-O Bg7 6. Re1 O-O 7. Bf1 e5 8. h3 Nc6 9. d3 h6 10. Nbd2 {B50: Sicilian: 2...d6, Miscellaneous} (10. a3 d5 11. Nbd2 a5 12. a4 Re8 13. exd5 Nxd5 14. Nc4 b6 15. Qb3 Ra7 16. Bd2 Rae7 17. Rad1 Kh7 18. g3 {1-0 (73) Sedlak,N (2571)-Ivanisevic,I (2614) Belgrade 2009}) 10... Be6 11. a3 Nh7 12. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] The position is equal.} b6 $146 ({Predecessor:} 12... Ng5 13. Rb1 Nxf3+ 14. Nxf3 b6 15. Bb2 Rc8 16. d4 cxd4 17. cxd4 Nxd4 18. Nxd4 exd4 19. Bxd4 {1-0 (51) Martin Del Campo C,R (2465)-Rubery,M (2290) Elista 1998}) 13. b5 Ne7 14. d4 Qc7 ({Black should try} 14... exd4 $11 15. cxd4 d5) 15. d5 Bd7 16. Qb3 Kh8 17. Nc4 a6 18. Ne3 a5 19. Nd2 f5 20. f3 (20. a4 $11) 20... f4 $15 21. Nd1 g5 22. Be2 h5 23. Kf2 Bf6 24. Rh1 Rg8 25. a4 Raf8 26. Nb2 Ng6 27. Bf1 Kg7 28. Qd1 Be7 29. Ke2 Nf6 30. Kd3 Rh8 31. Be2 Nh4 32. Qf1 {[#]} (32. Rg1 $11) 32... Rfg8 ({Better is} 32... Nf5 $1 $15 {[%mdl 512]} 33. Qf2 (33. exf5 Bxf5+) 33... Ng3) 33. Kc2 $11 Kf8 34. Ndc4 Ke8 35. Bd2 g4 36. Be1 gxf3 37. gxf3 Nh7 38. Rd1 Rg6 39. Nd3 Bf6 40. Rg1 {aiming for Bxh4.} Rhg8 41. Rxg6 Rxg6 42. Qh1 Rg7 43. Bf2 Nf8 44. Rg1 Rxg1 45. Qxg1 Nhg6 46. Bf1 Kd8 47. Qh1 h4 48. Qg1 Kc8 49. Be1 Kb7 50. Nf2 {[%cal Bd3f2,Bf2g4,Bg4h6,Bh6f5][%mdl 32]} Bc8 51. Ng4 Qe7 52. Nh6 Kc7 53. Nf5 $36 {[%mdl 2048] White is on the roll.} Bxf5 54. exf5 Nh8 55. Bd3 Qh7 {[#]} (55... Nf7 $142) 56. Nd2 $1 $16 Nf7 {[#]} 57. Qg4 ({White must play} 57. Ne4 $1 $16 {[%cal Re4f6]} Qh8 58. Qg4) 57... Nh6 $11 58. Qh5 {Threatens to win with Qe8.} Ng8 $2 {[%mdl 8192]} (58... Nf7 $11 59. Qxh7 Nxh7) 59. Qe8 $18 Nd7 60. Qa8 Ne7 61. Ne4 {Qa7+ is the strong threat.} Nc8 62. Qc6+ Kd8 63. Nxd6 Nxd6 64. Qxd6 Qg7 (64... c4 $142) 65. Qc6 Qg1 66. d6 {White mates.} Qxe1 67. Qa8+ Nb8 68. Qxb8+ {[%mdl 64] Double Attack} Kd7 69. Qc7+ Ke8 70. d7+ Kf8 71. Bc4 Qf2+ 72. Kb3 Qd2 {[#]} 73. d8=Q+ $1 {[%mdl 512]} Qxd8 74. Qf7# {Accuracy: White = 63%, Black = 45%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "4.1"]
[White "Berczes, David"]
[Black "Gauri, Shankar"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2433"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,24,29,13,21,27,37,29,38,33,30,30,36,26,41,24,28,22,26,11,20,11,24,25,45,39,43,35,85,36,114,8,0,0,20,19,37,23,28,0,0,-32,0,0,58,53,72,42,43,21,34,46,48,27,85,95,165,82,170,155,159,123,244,252,253,266,287,290,360,357,486,461,587,568,533,547,5002,3587,5281,59]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Qg3 {B11: Caro-Kann: Two Knights Variation} (6. Be2 Bc5 7. O-O Nf6 8. Rd1 Bd4 9. Qf4 Bxc3 10. bxc3 Nxe4 11. Ba3 Nd7 12. Rab1 Qa5 13. Bb4 Qd8 14. c4 {1-0 (37) Vachier Lagrave,M (2780)-Mamedyarov,S (2772) Moscow 2019}) 6... Nd7 7. d4 dxe4 8. Nxe4 {White is slightly better.} Ndf6 9. Nxf6+ $1 Nxf6 10. c3 g6 $146 ({Predecessor:} 10... Ne4 11. Qf3 Nf6 12. Bd3 Bd6 13. Bg5 Be7 14. Bd2 O-O 15. O-O-O Qd5 16. Qxd5 exd5 17. Bf4 Rad8 18. Rhe1 Bd6 19. Bxd6 Rxd6 20. Re7 {½-½ (41) Velimirovic,D-Bukic,E Belgrade 1968}) 11. Be2 Bg7 12. h4 h5 13. Bf4 O-O 14. O-O-O a5 15. Kb1 a4 16. a3 Qa5 17. Bd3 Rfe8 18. Rhe1 Rac8 19. Be5 Nd7 (19... Ng4 $14) 20. Bxg6 (20. Qf4 $16) 20... fxg6 $11 21. Qxg6 {[%csl Ge5][%cal Rg6g7][%mdl 64] Double Attack} Nxe5 22. Rxe5 {[%mdl 64] Double Attack} Qd8 23. Rxh5 Qf6 24. Qh7+ (24. Qg4 $11) 24... Kf7 $15 {White must now prevent ...Rh8.} 25. Rg5 Rh8 (25... Qh6 $5 {[%cal Rh6h7]} 26. Qe4 Bf6 $11) 26. Qe4 Bh6 (26... Qh6 $11) 27. Rg3 $1 $36 {[%cal Rg3f3][%mdl 2048] Strongly threatening Rf3. White has the initiative.} Ke7 $1 28. Rg6 Qf5 {[#]} 29. Re1 $1 {[%csl LRe6,LRf5][%mdl 512]} Qxe4+ 30. Rxe4 Kf7 $1 {[%cal Rf7g6]} 31. h5 {[%mdl 1024] White has compensation.} (31. Rgxe6 $5 {[%cal Re6e7]} Rhe8 32. Rxe8 Rxe8 33. Rxe8 Kxe8 34. Kc2 $16) 31... Rce8 (31... Rcg8 $1 $11 {remains equal.}) 32. g4 $16 Bf8 (32... Rh7 $16) 33. Rf4+ $18 Ke7 34. Rff6 Kd7 35. h6 c5 (35... Bd6 $16 {was necessary.} 36. f4 Bb8 37. Rg7+ Re7) 36. g5 cxd4 37. cxd4 Kd6 38. Kc2 Kd5 39. Kd3 Bd6 40. f4 {White is clearly winning.} Ref8 41. Rxe6 {[%csl Gg6][%cal Re6d6]} Rd8 42. Ref6 Rhf8 43. h7 Rh8 {[#]} 44. Rxd6+ $1 {[%mdl 576] Promotion. Accuracy: White = 53%, Black = 53%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "4.2"]
[White "Li, Eric"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[ECO "A53"]
[WhiteElo "2195"]
[BlackElo "2322"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,35,35,41,39,47,40,62,31,47,35,40,33,47,45,67,71,133,135,134,59,71,37,39,51,41,34,41,34,39,21,30,0,0,0,0,0,0,-6,-8,-9,0,-19,-20,-20,-19,-33,0,0]} 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f3 e5 5. e4 exd4 6. Qxd4 Nc6 7. Qd2 Be6 8. b3 Be7 {A53: Old Indian Defence without Nf3} 9. Nge2 O-O 10. Ng3 Re8 $146 {White is slightly better.} ({Predecessor:} 10... Nd7 11. Nd5 Bh4 12. Bb2 f5 13. O-O-O fxe4 14. Nxe4 Nc5 15. Nxc5 dxc5 16. g3 {1-0 (47) Milov,V (2620)-Martin Del Campo C,R (2421) Merida 2002}) 11. Bd3 Nd7 12. Bb2 Nc5 13. O-O a5 14. Nd5 Bxd5 15. cxd5 Nb4 (15... Nxd3 $142 16. Qxd3 Ne5) 16. Bc4 $16 Bf6 17. a3 (17. Bxf6 $16 Qxf6 18. Nf5) 17... Nbd3 $14 18. Bxd3 {[#] Black must now prevent Bc4.} Bxb2 19. Qxb2 Nxd3 20. Qc3 Nf4 21. Kh1 g6 22. Rf2 a4 23. Ne2 Nxe2 24. Rxe2 axb3 25. Qxb3 Qf6 26. Rc1 c5 27. dxc6 bxc6 28. Qc3 Qxc3 29. Rxc3 c5 30. Kg1 d5 31. Rxc5 {Accuracy: White = 46%, Black = 52%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "4.3"]
[White "Francisco, Richard"]
[Black "Jacobson, Aaron"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2256"]
[BlackElo "2336"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,58,0,0,-4,0,-5,0,-18,-19,-24,-4,-28,0,-6,-16,-54,-11,-103,-23,-20,-23,-20,-33,-125,-82,-202,-201,-211,-165,-226,-197,-205,-170,-196,-183,-355,-356,-368,-351,-330,-198,-192,-192,-514,-374,-3036,-2460,-2717,-2637,-2622,-2501]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 d4 5. O-O c5 6. b4 {A13: English Opening: 1...e6} cxb4 7. a3 Nc6 8. Bb2 {The position is equal.} a5 9. e3 dxe3 10. fxe3 Qd3 $36 {[%mdl 2048] Black is pushing.} 11. Ne1 $146 ({Predecessor:} 11. Qc1 Be7 12. Ne1 Qg6 13. d4 Ng4 {0-1 (35) Adrian,C (2233)-Fridman,D (2594) Nancy 2017}) 11... Qxc4 12. axb4 Qxb4 13. Qc1 (13. Bxf6 $11 gxf6 14. Bxc6+ bxc6 15. Qf3) 13... Qc5 ({Better is} 13... Qb6 $1 $17 14. Na3 Be7) 14. Nc3 $11 Be7 15. Ba3 Qb6 16. Nd3 {[#]} (16. Na4 $15 Bxa3 17. Qxa3) 16... O-O $1 $17 17. Bxc6 (17. Bxe7 $17 Nxe7 18. Ne5) 17... Bxa3 $19 18. Qxa3 {Strongly threatening Bf3.} Qxc6 ({But not} 18... bxc6 19. Ne5 $17) 19. Ne5 Qc7 20. d4 Bd7 21. Rac1 Qd8 22. Rc2 $2 (22. Qb2 {is a better defense.}) 22... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 23. Qd6 b4 24. Rxf6 gxf6 25. Nxd7 {Hoping for Ne4.} bxc3 26. Rf2 $2 (26. Qxf8+ Qxf8 27. Nxf8 Kxf8 28. Rxc3) 26... f5 {aiming for ...Re8.} 27. Rxf5 $2 (27. Qxf8+ Qxf8 28. Nxf8 Kxf8 29. Rc2) 27... exf5 {Black is clearly winning.} 28. Nf6+ Kg7 29. Nh5+ {[#]} Kh8 $1 {Accuracy: White = 30%, Black = 69%.} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "4.4"]
[White "Wheeler, Cameron"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2383"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,111,29,29,64,84,83,70,93,65,89,83,83,91,95,100,83,93,101,102,98,109,146,102,116,85,93,93,83,66,121,66,70,78,77,36,33,15,78,58,61,46,93,91,91,99,96,96,106,100,100,104,232,238,253,61,89,65,86,16,216,209,98,92,137,120,140,120,144,39,39,39,39,39,39,39,43,31,269,260,730,761,610,600,279,209,891,850,29972,29974,29973,29973,29970,29973,29969,29970]} 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 g6 7. Be3 Bg7 8. Qd2 O-O 9. Nc3 Nxd4 10. Bxd4 Nd7 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (10... Be6 11. Be2 a5 12. O-O a4 13. Rac1 Qa5 14. Rc2 Rfc8 15. b3 axb3 16. axb3 Nd7 17. Be3 Qb4 18. Rb1 Nc5 19. Nb5 Qxd2 20. Rxd2 Bd7 21. Kf2 f5 22. exf5 Bxf5 23. Rh1 Nxb3 24. Rdd1 Ra2 25. c5 dxc5 26. g4 Be6 27. Rhe1 Bc4 {0-1 (27) Sargissian,G (2702)-Li,C (2751) Huaian 2016}) 11. O-O-O Bxd4 12. Qxd4 Ne5 $146 {White is slightly better.} ({Predecessor:} 12... Qa5 13. Nd5 Re8 14. Kb1 Ne5 15. Be2 Be6 16. g4 Bxd5 17. cxd5 {½-½ (57) Ercan,M (1854)-Karahan,A (1721) Sivas 2019}) 13. c5 Be6 14. cxd6 exd6 15. Qxd6 Qg5+ 16. Qd2 Qe7 17. Be2 Rac8 18. Kb1 Rfd8 19. Qe3 Bc4 20. Rxd8+ Rxd8 21. Rd1 ({But not} 21. Qxa7 $6 Bxe2 22. Nxe2 Rd2 $11) (21. f4 {keeps more tension.} Bxe2 22. Qxe2 Nd3 23. g3 Nc5 24. e5) 21... Bxe2 22. Qxe2 Rxd1+ 23. Qxd1 Qh4 (23... Qc5 $14) 24. h3 ({White should play} 24. Qg1 $1 $16) 24... Qf2 $14 25. Qe2 Qg1+ 26. Kc2 Nc6 27. Qd2 a5 (27... Nd4+ $11 28. Kd3 Ne6) 28. Nd1 Nb4+ 29. Kb1 Qf1 {[#]} 30. a3 $1 $36 {[%cal Ra3b4][%mdl 2048] White is really pushing.} Nc6 31. Ka2 a4 32. Ne3 Qb5 33. Qc3 Qe2 34. Ng4 h5 (34... Kf8 $16 35. Nf6 h5) 35. Nf6+ $18 Kf8 36. g4 $2 (36. Qc5+ $18 Kg7 37. Ne8+ Kg8 38. Qc3) 36... hxg4 37. hxg4 Qd1 $1 38. g5 (38. f4 $16) 38... Qb3+ $2 (38... Kg7 $11 {and Black stays safe.}) 39. Qxb3 axb3+ 40. Kxb3 {[%mdl 4096] Endgame KN-KN} Nd4+ 41. Kc4 Nxf3 42. Kc5 {Threatens to win with a4.} Nxg5 43. Kb6 (43. e5 $16) 43... Ke7 $14 44. e5 Nf3 45. Ng4 Ke6 46. Kxb7 Nxe5 47. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} f5 $2 {[#]} ({Wrong is} 47... Nxg4 $2 48. a5 $18) (47... Nd3 $1 $14) 48. Nf2 $1 $18 {Strongly threatening a5.} ({Not} 48. Nxe5 Kxe5 49. a5 f4 $11) 48... Kd5 $2 (48... Nc4 49. Kc6 Na5+ 50. Kb5 Nb3) 49. a5 Nc4 50. a6 {a7 is the strong threat.} Nd6+ 51. Kc7 {Hoping for Nd1.} g5 $2 (51... f4 52. Ne4 Nb5+ 53. Kb6 Kc4) 52. Nd1 Nb5+ 53. Kb6 {White mates.} Nd6 54. Nc3+ Ke6 55. Kc7 Ne8+ 56. Kc6 {Accuracy: White = 68%, Black = 37%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.18"]
[Round "4.5"]
[White "Liang, Jason"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2353"]
[BlackElo "2113"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2020.01.17"]
[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. Nc3 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 3. Bb5 {[%emt 0:00:30]} Nd4 {[%emt 0:00:30]} 4. Bc4 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 5. Nge2 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 6. O-O {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 7. d3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 8. Nxd4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 9. Ne2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 10. Bg5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 11. Bh4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 12. Bg3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 13. c3 {[%emt 0:00:30]} dxc3 {[%emt 0:00:30]} 14. Nxc3 {[%emt 0:00:30]} h5 {[%emt 0:00:30]} 15. f3 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 16. Bf2 {[%emt 0:00:30]} Nxc4 {[%emt 0:00:30]} 17. dxc4 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 18. Qd3 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 19. b3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 20. Rfd1 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 21. a4 {[%emt 0:00:30]} g4 {[%emt 0:00:30]} 22. Rf1 {[%emt 0:00:30]} Rg8 {[%emt 0:00:30]} 23. fxg4 {[%emt 0:00:30]} hxg4 {[%emt 0:00:30]} 24. Rad1 {[%emt 0:00:30]} Rh8 {[%emt 0:00:30]} 25. Kh1 {[%emt 0:00:30]} Qg5 {[%emt 0:00:30]} 26. Bg3 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 27. Nd5 {[%emt 0:00:30]} Rc6 {[%emt 0:00:30]} 28. Ne3 {[%emt 0:00:30]} Rh5 {[%emt 0:00:30]} 29. Nf5 {[%emt 0:00:30]} Bxf5 {[%emt 0:00:30]} 30. Rxf5 {[%emt 0:00:30]} Qh6 {[%emt 0:00:30]} 31. Rxh5 {[%emt 0:00:30]} Qxh5 {[%emt 0:00:30]} 32. Rf1 {[%emt 0:00:30]} Bh4 {[%emt 0:00:30]} 33. Bxh4 {[%emt 0:00:30]} Qxh4 {[%emt 0:00:30]} 34. Qd5 {[%emt 0:00:30]} Qh7 {[%emt 0:00:30]} 35. Rf5 {[%emt 0:00:30]} Rb6 {[%emt 0:00:30]} 36. c5 {[%emt 0:00:30]} Rc6 {[%emt 0:00:30]} 37. b4 {[%emt 0:00:30]} g3 {[%emt 0:00:30]} 38. h3 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 39. Rf1 {[%emt 0:00:30]} Qg6 {[%emt 0:00:30]} 40. cxd6 {[%emt 0:00:30]} Rxd6 {[%emt 0:00:30]} 41. Qxe5+ {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 42. Qxa5 {[%emt 0:00:30]} Qxe4 {[%emt 0:00:30]} 43. Qc7 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 44. Qc3 {[%emt 0:00:30]} Qg5 {[%emt 0:00:30]} 45. Qc8+ {[%emt 0:00:30]} Kg7 {[%emt 0:00:30]} 46. Qxb7 {[%emt 0:00:30]} Rf6 {[%emt 0:00:30]} 47. Rg1 {[%emt 0:00:30]} Rf2 {[%emt 0:00:30]} 48. Qe4 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 49. Qb7+ {[%emt 0:00:30]} Kg6 {[%emt 0:00:30]} 50. Re1 {[%emt 0:00:30]} Qe3 {[%emt 0:00:30]} 51. Qa6+ {[%emt 0:00:30]} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "5.1"]
[White "Jacobson, Aaron"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2336"]
[BlackElo "2433"]
[Annotator "RC"]
[PlyCount "66"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:30:30]} e6 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 4. Nc3 {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 5. e4 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 6. e5 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30]} 7. Nxb5 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 8. a4 {[%emt 0:00:30]} Ba6 {[%emt 0:00:30]} 9. Na3 {[%emt 0:00:30]} Bb4+ {[%emt 0:00:30]} 10. Bd2 {[%emt 0:00:30]} Bxd2+ {[%emt 0:00:30]} 11. Qxd2 {[%emt 0:00:30]} c3 {[%emt 0:00:30]} 12. Qxc3 {[%emt 0:00:30]} Bxf1 {[%emt 0:00:30]} 13. Kxf1 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 14. Nc4 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 15. Nxa5 {[%emt 0:00:30]} Qd5 {[%emt 0:00:30]} 16. b4 {[%emt 0:00:30]} Nxa4 {[%emt 0:00:30]} 17. Qd2 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 18. Nxc6 {[%emt 0:00:30]} Qxc6 {[%emt 0:00:30]} 19. h4 {[%emt 0:00:30]} Nc3 {[%emt 0:00:30]} 20. Re1 {[%emt 0:00:30]} Qc4+ {[%emt 0:00:30]} 21. Kg1 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 22. Qe3 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30]} 23. Qe4 {[%emt 0:00:30]} Qc2 {[%emt 0:00:30]} 24. Qxc2 {[%emt 0:00:30]} Rxc2 {[%emt 0:00:30]} 25. Ra1 {[%emt 0:00:30]} Nxb4 {[%emt 0:00:30]} 26. h5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 27. g3 {[%emt 0:00:30]} Nd5 {[%emt 0:00:30]} 28. Rh4 {[%emt 0:00:30]} Rb8 {[%emt 0:00:30]} 29. Re4 {[%emt 0:00:30]} Rbb2 {[%emt 0:00:30]} 30. Rf1 {[%emt 0:00:30]} Rb3 {[%emt 0:00:30]} 31. Nh4 {[%emt 0:00:30]} Ra2 {[%emt 0:00:30]} 32. Ree1 {[%emt 0:00:30]} Rbb2 {[%emt 0:00:30]} 33. Rb1 {[%emt 0:00:30]} Nc3 {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "5.2"]
[White "Gauri, Shankar"]
[Black "Liang, Jason"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2350"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,72,22,8,16,8,23,21,27,-20,-28,-41,-41,-37,-26,-38,-37,-37,-39,-111,-43,-93,0,0,0,0,-10,-20,56,0,71,54,295,281,283,270,242,258,223,162,158,161,1658,1537,1335,1208,2320,2271,29985,29986,29986,29987,29987,29988,29996,29997,29997,29998,29999,29997,29997,29998,29999]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d4 O-O 6. c4 dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7} (7... a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Nbd7 11. Nc3 h6 12. Bxf6 Nxf6 13. Rfd1 Qd6 14. Qd3 Rfd8 15. e4 Qb4 16. Qc2 Rac8 17. Rd2 Qb6 18. Rad1 Bb4 19. Ne5 Be8 {0-1 (60) Le,Q (2713)-Aronian,L (2775) Moscow 2019}) 8. Bg5 Nd5 9. Bxe7 Qxe7 {The position is equal.} 10. Na3 {[#]} c3 $1 {[%mdl 512]} 11. e4 (11. bxc3 Qxa3) 11... cxb2 12. Qxb2 Nf6 13. Rfe1 Bb7 14. Ne5 Nbd7 15. f4 $146 (15. Nd3 $15) ({Predecessor:} 15. Nac4 Nxe5 16. Nxe5 {½-½ (35) Jurek,J (2273)-Leser,K (2006) Schwaebisch Gmuend 2019}) 15... c5 (15... Nxe5 $17 16. fxe5 Nd7) 16. d5 {[#]} exd5 ({Black should try} 16... Nxe5 $1 $17 17. fxe5 Nd7) 17. exd5 $11 Nxe5 ({But not} 17... Bxd5 $2 18. Nc6 $18) 18. d6 $1 $36 {[%cal Rd6e7][%mdl 2048] White fights for an advantage.} Qd7 19. fxe5 {Black must now prevent Bxb7.} Nd5 (19... Bxg2 $11 20. Qxg2 (20. exf6 $2 Bb7 $19) 20... Ng4) 20. Nc2 ({Better is} 20. Rad1 $14 Nb4 21. Bxb7 Qxb7 22. Nb5) 20... Rfe8 (20... b5 $11) 21. Rad1 $16 Nf4 $2 (21... Nb4 $1 $14) 22. Bxb7 $18 ({Not} 22. gxf4 Bxg2 23. Kxg2 Qg4+ 24. Kf2 Qxf4+ 25. Kg1 Qg4+ 26. Kh1 Qf3+ 27. Kg1 Qg4+ 28. Kh1 Qf3+ 29. Kg1 Qg4+ $11) 22... Nh3+ 23. Kg2 Qxb7+ 24. Kxh3 Re6 25. Qb3 {And now Rd5 would win.} Rh6+ 26. Kg4 Rxh2 $2 (26... Qg2) 27. d7 h5+ 28. Kg5 Qc7 29. e6 c4 30. exf7+ {White mates.} Kh7 31. Qe3 Qd8+ 32. Qe7 Qc7 33. Qe4+ {[%mdl 64] Double Attack} Kh8 34. Qxa8+ Kh7 35. f8=N+ Kg8 36. Ng6+ Kf7 37. Qf8# {Accuracy: White = 51%, Black = 33%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "5.3"]
[White "Uyanga, Byambaa"]
[Black "Wheeler, Cameron"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2113"]
[BlackElo "2383"]
[Annotator "RC"]
[PlyCount "72"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} e6 {[%emt 1:30:30]} 2. d4 d5 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:01:00]} Bb4 {[%emt 0:00:30]} 4. e5 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 5. a3 {[%emt 0:00:30]} Bxc3+ {[%emt 0:00:30]} 6. bxc3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 7. Qg4 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 8. Qxg7 {[%emt 0:00:30]} Rg8 {[%emt 0:00:30]} 9. Qxh7 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 10. Ne2 {[%emt 0:00:30]} Nbc6 {[%emt 0:00:30]} 11. f4 {[%emt 0:00:30]} dxc3 {[%emt 0:00:30]} 12. Qd3 {[%emt 0:00:30]} d4 {[%emt 0:00:30]} 13. Ng3 {[%emt 0:00:30]} Bd7 {[%emt 0:00:30]} 14. Rb1 {[%emt 0:00:30]} O-O-O {[%emt 0:00:30]} 15. Be2 {[%emt 0:00:30]} Nf5 {[%emt 0:00:30]} 16. Nxf5 {[%emt 0:00:30]} exf5 {[%emt 0:00:30]} 17. Bf3 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 18. exf6 {[%emt 0:00:30]} Rgf8 {[%emt 0:00:30]} 19. O-O {[%emt 0:00:30]} Rxf6 {[%emt 0:00:30]} 20. Re1 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 21. Rxe8+ {[%emt 0:00:30]} Bxe8 {[%emt 0:00:30]} 22. a4 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 23. Kf2 {[%emt 0:00:30]} Re6 {[%emt 0:00:30]} 24. g3 {[%emt 0:00:30]} Re4 {[%emt 0:00:30]} 25. h4 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 26. h5 {[%emt 0:00:30]} Bf7 {[%emt 0:00:30]} 27. h6 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 28. Qf1 {[%emt 0:00:30]} d3 {[%emt 0:00:30]} 29. Qxd3 {[%emt 0:00:30]} Bc4 {[%emt 0:00:30]} 30. Qxc3 {[%emt 0:00:30]} Re2+ {[%emt 0:00:30]} 31. Kg1 {[%emt 0:00:30]} Qc5+ {[%emt 0:00:30]} 32. Kh1 {[%emt 0:00:30]} Qf2 {[%emt 0:00:30]} 33. Qh8+ {[%emt 0:00:30]} Nd8 {[%emt 0:00:30]} 34. Bxb7+ {[%emt 0:00:30]} Kc7 {[%emt 0:00:30]} 35. Qe5+ {[%emt 0:00:30]} Rxe5 {[%emt 0:00:30]} 36. fxe5 {[%emt 0:00:30]} Nxb7 {[%emt 0:00:30]} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "5.4"]
[White "Martin Del Campo C., Roberto"]
[Black "Francisco, Richard"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2322"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,113,52,26,36,42,43,33,130,131,130,134,153,114,111,108,119,114,147,56,60,31,31,31,37,7,110,115,110,117,109,105,106,116,112,73,73,73,74,73,110,82,111,108,161,161,185,47,47,47,48,48,200,214,790,749,1114,1116,1005,997,833,762,879,0,0,0,0,0,0,0,0,0,0,0,0,0,12851,27999,12851,12851,12851,-29973,-29974,-29951,-29974,-12851,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd5 Nxd5 6. exd5 Bb4+ 7. Bd2 Qe7+ 8. Qe2 Bxd2+ 9. Kxd2 Qxe2+ 10. Bxe2 Ne7 11. d6 cxd6 {C47: Scotch Four Knights and Four Knights with 4 g3} (11... Nc6 12. dxc7 d5 13. Bb5 Kd7 14. Rhe1 Kd6 15. Bxc6 bxc6 16. Nxd4 c5 17. Nb5+ Kc6 18. c4 dxc4 19. Na3 {½-½ (27) Bednar,J (2266)-Kekely,L (2071) Slovakia 2016}) 12. Nxd4 a6 13. Rhe1 O-O ({Black should try} 13... Kd8 $14) 14. Bf3 $16 Nc6 15. Nf5 Rb8 16. Nxd6 b5 17. Bd5 Nb4 $146 ({Predecessor:} 17... Bb7 18. Re3 Na5 19. Nxb7 Nxb7 {1-0 (39) Teran Abreu,L (2120)-Barrios,A Valera 2012}) 18. Bb3 $1 Rb6 {[#]} 19. Nxc8 (19. Nxf7 $1 $16 d5 20. c3) 19... Rxc8 $14 20. Re7 Rd6+ 21. Ke1 Nc6 22. Rxf7 Nd4 (22... Na5 $1 $11 23. Re7+ Nxb3 24. cxb3 Rc2) 23. Rd1 $16 {Rxd7+ is the strong threat.} Nxb3 24. Rxd6 Kxf7 25. cxb3 {[%mdl 4096] Endgame KR-KR} Ke7 26. Rxa6 Rc2 27. a4 {Threatens to win with Rb6.} Rxb2 28. axb5 Rxb3 29. Rb6 Rb2 30. Rb8 Ke6 31. b6 Ke5 (31... Kd5 $16 {keeps fighting.}) 32. b7 $18 {Hoping for Re8+.} Kd4 33. Rg8 (33. h4 $18) 33... Rxb7 $14 34. Rxg7 Kd3 {[%cal Rb7b1]} 35. f3 h6 $2 {[#]} (35... h5 $1 $14) 36. Rh7 $1 $18 Rb1+ $2 (36... Ke3 37. Re7+ Kf4) 37. Kf2 d5 38. Rxh6 Rb2+ 39. Kg3 d4 40. h4 Ke2 41. Kf4 $2 (41. Re6+ $18 Kf1 42. Rd6) 41... d3 $11 42. Re6+ Kf2 43. Rd6 Rb4+ 44. Kg5 Ke3 45. h5 {aiming for h6.} d2 46. Rxd2 Kxd2 $4 {[%mdl 8192] KR-K3P} (46... Rb5+ $11 47. Kg6 Rb6+ 48. Kg5 Rb5+ 49. Kg6 Kxd2) 47. f4 $18 Ke3 $2 {[%mdl 8192]} (47... Rb8 $11) 48. f5 Rb8 49. f6 Ke4 50. h6 $4 {[%mdl 8192]} (50. f7 $18 Ke5 51. h6) 50... Rg8+ 51. Kh5 Kf5 52. h7 Rxg2 $2 ({Less strong is} 52... Rh8 53. g4+ Kxf6 54. Kh6 $15) ({Better is} 52... Rb8 $19 53. f7 Kf6) 53. Kh6 $11 {Strongly threatening f7.The position is equal.} Rg6+ 54. Kh5 Rg1 {[%cal Rg1h1]} (54... Rg2 $5 55. Kh6 $8 Rh2+ 56. Kg7 Ke6 $11) 55. Kh6 {Black must now prevent f7.} Rg6+ 56. Kh5 Rg1 {[%cal Rg1h1]} (56... Rg2 $5 57. Kh6 $8 Rh2+ 58. Kg7 Ke6 $11) 57. Kh6 {Accuracy: White = 63%, Black = 40%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "5.5"]
[White "Eswaran, Ashritha"]
[Black "Li, Eric"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2252"]
[BlackElo "2195"]
[Annotator "ChessBase"]
[PlyCount "54"]
[EventDate "2020.01.17"]
[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. d3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 6. c3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 7. a4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 8. Nbd2 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 9. h3 {[%emt 0:00:30]} Re8 {[%emt 0:00:30]} 10. Re1 {[%emt 0:00:30]} Be6 {[%emt 0:00:30]} 11. b4 {[%emt 0:00:30]} Ba7 {[%emt 0:00:30]} 12. Nf1 {[%emt 0:00:30]} Nxe4 {[%emt 0:00:30]} 13. Rxe4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 14. Bxd5 {[%emt 0:00:30]} Bxd5 {[%emt 0:00:30]} 15. Re1 {[%emt 0:00:30]} e4 {[%emt 0:00:30]} 16. dxe4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} 17. Be3 {[%emt 0:00:30]} Qxd1 {[%emt 0:00:30]} 18. Rexd1 {[%emt 0:00:30]} Bxe3 {[%emt 0:00:30]} 19. Nxe3 {[%emt 0:00:30]} Rad8 {[%emt 0:00:30]} 20. Nd2 {[%emt 0:00:30]} Bg6 {[%emt 0:00:30]} 21. Ndf1 {[%emt 0:00:30]} Kf8 {[%emt 0:00:30]} 22. f4 {[%emt 0:00:30]} Bd3 {[%emt 0:00:30]} 23. Kf2 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 24. Rd2 {[%emt 0:00:30]} Bxf1 {[%emt 0:00:30]} 25. Rxd8 {[%emt 0:00:30]} Rxd8 {[%emt 0:00:30]} 26. Rxf1 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 27. Ke2 {[%emt 0:00:30]} Kf7 {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "6.1"]
[White "Berczes, David"]
[Black "Martin Del Campo C., Roberto"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2433"]
[BlackElo "2322"]
[Annotator "RC"]
[PlyCount "31"]
[EventDate "2020.01.17"]
[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]} g6 {[%emt 0:00:30]} 3. Bg2 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 4. d4 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 5. c4 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 6. Nc3 {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} Qa5 {[%emt 0:00:30]} 8. Bd2 {[%emt 0:00:30]} Qh5 {[%emt 0:00:30]} 9. Qb3 {[%emt 0:00:30]} e5 {[%emt 0:00:30]} 10. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} 11. Ng5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 12. Nge4 {[%emt 0:00:30]} Na6 {[%emt 0:00:30]} 13. Rad1 {[%emt 0:00:30]} Nc7 {[%emt 0:00:30]} 14. Nxf6+ {[%emt 0:00:30]} Bxf6 {[%emt 0:00:30]} 15. Ne4 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 16. Bb4 {[%emt 0:00:30]} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "6.2"]
[White "Francisco, Richard"]
[Black "Eswaran, Ashritha"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2256"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,88,38,53,51,68,56,66,60,72,68,57,31,40,20,38,21,66,4,9,4,47,38,59,63,62,66,77,70,97,58,131,127,126,65,53,13,10,2,8,11,52,8,14,22,23,15,28,32,35,25,22,20,25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. g3 d6 3. Bg2 g6 4. Nc3 Bg7 5. e4 Ne7 6. Nge2 Nbc6 7. d3 Be6 8. Nd5 h6 9. O-O O-O 10. Be3 {A26: English Opening vs King's Indian with ...Nc6 and d3} f5 (10... Nd4 11. Nxd4 exd4 12. Bd2 Nxd5 13. cxd5 Bd7 14. Qb3 Qc8 15. Rac1 c5 16. dxc6 Bxc6 17. f4 Qe6 {1-0 (52) Mareco,S (2643)-Anand,N (2366) Cattolica 2019}) 11. Qd2 Kh7 12. b4 {[%cal Bb2b4,Bb4b5][%mdl 32] White is slightly better.} Qd7 13. b5 Nd8 $1 14. Rae1 $146 ({Predecessor:} 14. Rab1 c6 15. bxc6 bxc6 16. Nxe7 Qxe7 17. Rfc1 Qd7 {1-0 (42) Zhigalko,A (2318)-Partac,E (2220) Artek 2000}) 14... Ng8 15. f4 c6 16. Ndc3 Nf7 17. exf5 ({White should try} 17. g4 $14) 17... Bxf5 $11 18. d4 $36 {[%mdl 2048] White is pushing.} exf4 (18... Nf6 {is interesting.} 19. bxc6 bxc6 20. dxe5 dxe5 21. Qxd7 Nxd7 22. Bxc6 Rac8) 19. Nxf4 Ng5 20. bxc6 bxc6 21. d5 $1 {[%cal Rd5c6]} cxd5 22. Ncxd5 Rac8 23. h4 (23. Bd4 {with more complications.} Bxd4+ 24. Qxd4 Ne6 25. Nxe6 Bxe6 26. Rxf8 Rxf8 27. Rd1) 23... Nh3+ (23... Ne4 $14 24. Bxe4 Bxe4) 24. Nxh3 $16 Bxh3 25. Rxf8 (25. h5 $1 $16 {[%cal Rh5g6]} g5 26. Qd3+ Kh8 27. Bxh3 Qxh3 28. Bd4 (28. Bxa7 Rxf1+ 29. Rxf1 Rxc4 $11)) 25... Rxf8 $14 26. Bxh3 Qxh3 27. Qg2 Qg4 28. Bf4 Rb8 {[#] Strongly threatening ...Rb2.} 29. Re2 (29. Ne3 $5 {[%cal Re3g4]} Qe6 30. Qd5 $16) 29... Rb1+ 30. Kh2 Bd4 {Hoping for ...Bg1+.} 31. Ne3 Bxe3 32. Rxe3 Qd7 $1 {[#] ...Nf6 is the strong threat.} 33. Rb3 (33. Qe4 {seems wilder.} Rb2+ 34. Kg1 h5 35. Rb3 Rxb3 36. axb3 Ne7 37. Qd3) 33... Rxb3 34. axb3 {And now Qd5 would win.} Nf6 35. Qe2 Ng4+ {The position is equal.} 36. Kg1 h5 37. Qd2 Qf5 38. Qe1 Qc5+ 39. Kf1 d5 40. cxd5 Qxd5 41. Qe7+ Kg8 42. Qxa7 Qd1+ 43. Kg2 Qe2+ 44. Kg1 Qe1+ {Accuracy: White = 50%, Black = 44%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "6.3"]
[White "Wheeler, Cameron"]
[Black "Li, Eric"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2383"]
[BlackElo "2195"]
[Annotator "RC"]
[PlyCount "38"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 1:30:30]} Nf6 {[%emt 1:30:30]} 2. c4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 3. g3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 4. Nf3 {[%emt 0:00:30]} Bb4+ {[%emt 0:00:30]} 5. Bd2 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 6. Bg2 {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 7. O-O {[%emt 0:00:30]} c6 {[%emt 0:00:30]} 8. Bg5 {[%emt 0:00:30]} Nbd7 {[%emt 0:00:30]} 9. Nbd2 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 10. Qc2 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 11. Rad1 {[%emt 0:00:30]} Rc8 {[%emt 0:00:30]} 12. Qb1 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 13. Bxf6 {[%emt 0:00:30]} Nxf6 {[%emt 0:00:30]} 14. e4 {[%emt 0:00:30]} dxe4 {[%emt 0:00:30]} 15. Nxe4 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 16. Nxf6+ {[%emt 0:00:30]} Bxf6 {[%emt 0:00:30]} 17. c5 {[%emt 0:00:30]} Ba6 {[%emt 0:00:30]} 18. Rfe1 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} 19. b4 {[%emt 0:00:30]} bxc5 {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "6.4"]
[White "Liang, Jason"]
[Black "Jacobson, Aaron"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2353"]
[BlackElo "2336"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,105,13,8,12,7,5,15,15,12,20,8,33,-33,-29,-41,-37,-20,0,-70,-47,-60,-38,-73,-67,-71,-56,-157,-150,-204,-208,-229,-171,-189,-141,-178,-66,-52,15,-28,-12,-10,0,0,-8,-4,0,0,0,0,0,0,0,0,6,0,0,0,7,0,0,0,0,-8,-8,-16,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. Nf3 f6 6. c4 a6 {A01: Nimzowitsch-Larsen Opening} (6... Nge7 7. Nc3 a6 8. Ba4 O-O 9. O-O Nb4 10. d4 e4 11. Ne1 Be6 12. a3 Nbc6 13. Bxc6 bxc6 14. c5 Bxh2+ 15. Kxh2 {½-½ (62) Zhao,X (2506)-Kosteniuk,A (2554) Huaian 2016}) 7. Bxc6+ bxc6 8. Qc2 e4 $146 ({Predecessor:} 8... Be6 9. d3 Nh6 10. O-O O-O 11. Ba3 Qd7 12. Bxd6 cxd6 13. Nc3 dxc4 14. dxc4 {0-1 (50) Gonzalez Rodriguez,J (2372)-Jerez Perez,A (2405) Barcelona 2015}) 9. Nd4 Ne7 10. O-O O-O 11. Nc3 ({White should try} 11. Ba3 $14) 11... Qe8 $36 {[%mdl 2048] Black has good play.} 12. f4 exf3 $1 13. Nxf3 Qh5 14. e4 (14. Na4 $1 $11 Bf5 15. d3) 14... dxc4 15. bxc4 Qc5+ (15... Bg4 $5 {[%cal Rg4f3]} 16. d4 Bxf3 17. gxf3 Rab8 $15) 16. Kh1 Qxc4 17. d3 Qf7 18. e5 ({Better is} 18. Na4 $15) 18... fxe5 $17 19. Nd2 {[#]} (19. Ne4 $17) 19... Nf5 $1 $19 {[%cal Rf5g3] ( -> ...Ng3+!)} 20. Qa4 {With the idea g4.} Qe8 21. Nce4 Bd7 22. Rae1 Qb8 (22... Be6 $19 23. Nc4 Bd5) 23. Bxe5 $15 Qd8 ({Black should play} 23... Bxe5 $15 24. Nc5 {[%mdl 64] [#] Double Attack} Bg3 $1 {[%mdl 512]} 25. Nxd7 Qb5 26. Qb3+ Qxb3 27. Nxb3 Bxe1 28. Nxf8 Re8) 24. Nc4 {[%cal Rc4d6]} c5 25. Qd1 {[%cal Rc4d6] The position is equal.} Be6 26. Bxd6 cxd6 27. Nexd6 Bxc4 28. Nxc4 Qh4 {White must now prevent ...Ng3+.} 29. Qf3 Rad8 30. Ne5 Nd4 31. Qb7 {Rxf8+ would kill now.} Rf5 32. g3 Qh3 33. Rxf5 Qxf5 34. Kg2 h6 35. Qe4 Qe6 36. Ng6 (36. a4 {looks sharper.} Nc2 37. Re2 Nb4 38. a5 Nxd3 39. Nxd3 Qxe4+ 40. Rxe4 Rxd3 41. Re6) 36... Qxe4+ 37. Rxe4 $11 {[%mdl 4096] Endgame KRN-KRN} Nc6 38. Rc4 Rxd3 39. Rxc5 Rd2+ 40. Kh3 Nd4 41. Rd5 Kf7 42. Nh4 Ke6 43. Ra5 g5 44. Rxa6+ Kd5 45. Ng6 h5 {aiming for ...Nf3.} 46. Ra5+ Ke6 47. Rxg5 {Strongly threatening Nf4+.} Kf6 48. Rxh5 {And now Nf4 would win.} Kxg6 49. Rd5 Kf6 50. a4 Ke6 51. Rd8 Ke7 52. Rd5 Ke6 53. Rd8 {Accuracy: White = 47%, Black = 61%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.19"]
[Round "6.5"]
[White "Uyanga, Byambaa"]
[Black "Gauri, Shankar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2113"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,140,0,18,0,0,0,0,0,26,0,0,0,20,17,33,13,22,4,12,-11,15,-20,8,-16,0,0,0,0,0,-42,-45,-45,-50,-60,-60,-51,-45,-60,-57,-60,-42,-117,0,0,0,0,0,-58,-58,-58,-58,-74,-74,-74,-74,-74,-74,-74,-69,-73,-68,-76,-75,-75,-64,-64,-64,-64,-64,-75,-58,-58,-58,-85,0,-57,-57,-72,-73,-93,-104,-111,-111,-174,-173,-205,-207,-207,-203,-200,-200,-191,-182,-29966,-29968,-29971,-29971,-29974,-29976,-29975,-29976,-29976,-29975,-29975,-29976,-29978,-29979,-29979,-29980,-29983,-29980,-29979,-29980,-29982,-29982,-29982,-29982,-29983,-29984,-29983,-29984,-29986,-29984,-29990,-29991,-29994,-29995]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bd6 7. Be2 O-O 8. O-O Re8 9. c4 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} Nd7 10. Re1 (10. Bd3 Nf8 11. h3 Ng6 12. Qc2 Qa5 13. c5 Bb8 14. Bd2 Qd8 15. Rfe1 Be6 16. Bc4 Nf8 {0-1 (47) Nepomniachtchi,I (2767)-Carlsen,M (2840) Doha 2016}) 10... Nf8 11. Qb3 {The position is equal.} Ng6 12. Bd2 $146 (12. c5 {is more complex.} Bc7 13. Bd2 Be6 14. Qxb7 Bd5 15. Qa6) ({Predecessor:} 12. g3 c5 13. Be3 Qc7 14. dxc5 Bxc5 15. Qb5 Rxe3 16. fxe3 Bxe3+ 17. Kg2 {1-0 (44) Perez Carballo,M (2146)-Kane,R (1830) England 2012}) 12... b6 13. Bf1 (13. Bd3 {is interesting.} Be6 14. Qc3 Qd7 15. Bc2 Bg4 16. h3) 13... Rxe1 14. Rxe1 Be6 15. Qc2 Qd7 16. b4 Bc7 17. g3 Rd8 18. Bc1 h5 19. a4 a6 20. h4 Bg4 21. Bg2 b5 22. axb5 (22. Be3 {keeps more tension.} Bf5 23. Qe2 bxa4 24. Qa2 Be6 25. Nd2) 22... axb5 23. cxb5 cxb5 24. d5 Bd6 25. Qb3 Bh3 26. Be3 Bxg2 27. Kxg2 Qg4 28. Bc5 {[#]} (28. Rd1 $15) 28... Nf4+ (28... Bxc5 $1 $17 29. bxc5 Rxd5) 29. Kg1 $11 Bxc5 30. bxc5 Rxd5 $40 {[%mdl 128] Hoping for ...Rd3! Black attacks.} 31. Nh2 (31. c6 $1 $11 Rd8 32. Nh2 Nh3+ 33. Kg2 Nf4+ 34. Kg1 Nh3+ 35. Kf1) 31... Qg6 $1 $15 ({But not} 31... Nh3+ $6 32. Kg2 $16) 32. Qxb5 {Black must now prevent Qb8+.} Ne6 33. Qb8+ Kh7 34. c6 {aiming for c7.} Qc2 35. Qe8 Rf5 36. Rf1 Kg6 37. Qd7 Rc5 38. Nf3 Rxc6 39. Nd4 Nxd4 40. Qxd4 $17 {[%mdl 4096] Endgame KQR-KQR} Rc4 41. Qd5 Rc5 42. Qd4 Rf5 43. Re1 Kh7 44. Kg2 Kg6 45. Kg1 Qa2 46. g4 Rd5 47. Qe4+ Kh6 48. Qf4+ Kh7 49. Qe4+ {[#]} (49. gxh5 $17 {might work better.} Rxh5 50. Kg2) 49... g6 $1 $19 50. Qf4 hxg4 51. Qxg4 Rf5 52. Re2 Qb1+ 53. Kg2 Qd1 {...Re5 is the strong threat.} 54. Qe4 $2 (54. Re4 $19 Qd5 55. Qe2) 54... Re5 {Black mates.} 55. Qxe5 fxe5 56. Rxe5 {KQ-KR} Qg4+ 57. Kf1 Qxh4 58. Re3 Qh1+ 59. Ke2 f5 60. Re7+ Kh6 61. Re8 Kg5 62. Re6 Qh5+ 63. Ke1 Kf4 64. Re3 Qh1+ 65. Ke2 Qd5 66. Kf1 g5 67. Ke2 g4 68. Kf1 Kg5 69. Re8 Qb5+ {[%mdl 64] Double Attack} 70. Re2 {[#]} Qc4 $1 {Accuracy: White = 26%, Black = 75%.} 0-1

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "7.1"]
[White "Eswaran, Ashritha"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2252"]
[BlackElo "2433"]
[Annotator "RC"]
[PlyCount "64"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} e6 {[%emt 1:30:30]} 2. d4 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 4. Bg5 {[%emt 0:00:30]} dxe4 {[%emt 0:00:30]} 5. Nxe4 {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 6. Bxf6 {[%emt 0:00:30]} gxf6 {[%emt 0:00:30]} 7. Nf3 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 8. Nc3 {[%emt 0:00:30]} a6 {[%emt 0:00:30]} 9. g3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 10. Bg2 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30]} O-O {[%emt 0:00:30]} 12. Ne5 {[%emt 0:00:30]} Bxg2 {[%emt 0:00:30]} 13. Kxg2 {[%emt 0:00:30]} b4 {[%emt 0:00:30]} 14. Na4 {[%emt 0:00:30]} Qd5+ {[%emt 0:00:30]} 15. Qf3 {[%emt 0:00:30]} Qxf3+ {[%emt 0:00:30]} 16. Nxf3 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 17. Rfd1 {[%emt 0:00:30]} Nb6 {[%emt 0:00:30]} 18. Nc5 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} 19. Nd3 {[%emt 0:00:30]} Bf8 {[%emt 0:00:30]} 20. Rac1 {[%emt 0:00:30]} Na4 {[%emt 0:00:30]} 21. c3 {[%emt 0:00:30]} bxc3 {[%emt 0:00:30]} 22. bxc3 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 23. Nxc5 {[%emt 0:00:30]} Nb2 {[%emt 0:00:30]} 24. Rf1 {[%emt 0:00:30]} Bxc5 {[%emt 0:00:30]} 25. dxc5 {[%emt 0:00:30]} Rac8 {[%emt 0:00:30]} 26. Rb1 {[%emt 0:00:30]} Na4 {[%emt 0:00:30]} 27. Rb7 {[%emt 0:00:30]} Nxc5 {[%emt 0:00:30]} 28. Ra7 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 29. Ne5 {[%emt 0:00:30]} Rf8 {[%emt 0:00:30]} 30. Nd7 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} 31. Ne5 {[%emt 0:00:30]} Rf8 {[%emt 0:00:30]} 32. Nd7 {[%emt 0:00:30]} Rfd8 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "7.2"]
[White "Jacobson, Aaron"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2336"]
[BlackElo "2113"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,57,32,37,35,42,41,76,76,104,79,68,55,76,55,74,59,95,73,123,103,216,202,291,288,435,452,485,474,520,514,596,576,854,837,833,807,1079,1035,1091,1070,1003,991,1748,1761,1839,1816]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. h3 d6 6. Be3 e5 7. d5 Na6 8. g4 {E71: King's Indian: 4 e4 d6 5 h3} Nc5 9. Qc2 (9. f3 c6 10. Qd2 cxd5 11. cxd5 Bd7 12. Nge2 h5 13. Nc1 Rc8 14. Nb3 Nxb3 15. axb3 {0-1 (64) Grandelius,N (2691)-McShane,L (2688) Eskilstuna 2019}) 9... a5 10. O-O-O {White is better.} Bd7 11. Nge2 Ne8 $146 ({Predecessor:} 11... a4 12. Ng3 a3 13. b3 Ne8 14. Qd2 Qb8 15. Kb1 b6 {1-0 (49) Sivuk,V (2588)-Mariano,N (2235) Johor 2019}) 12. Ng3 c6 13. f3 cxd5 14. exd5 Qh4 {[#]} 15. Bf2 $1 Qd8 16. h4 Nc7 (16... f5 $16) 17. Be3 Rb8 (17... f5 {was called for.}) 18. h5 $18 f5 (18... Ne8 {keeps fighting.} 19. Qh2 Nf6) 19. hxg6 {White is clearly winning.} hxg6 20. gxf5 Bxf5 21. Nxf5 Rxf5 22. Bh3 Rxf3 23. Bxc5 Qg5+ 24. Kb1 Rxh3 25. Rxh3 dxc5 {[#]} 26. Ne4 $1 Qf5 27. Rg3 Ne8 28. Rdg1 Kf7 {[#]} 29. Rf3 $1 {[%mdl 512] Accuracy: White = 79%, Black = 28%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "7.3"]
[White "Martin Del Campo C., Roberto"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2322"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,161,-11,-5,-44,-31,-31,-19,-28,-39,-37,-29,-32,-31,-28,-35,-43,-22,-26,-28,-31,-29,-20,-22,-25,-23,-25,-12,-27,-21,-16,9,-8,0,0,0,7,8,0,13,17,0,5,20,16,29,27,33,40,32,18,43,45,50,39,268,285,281,276,286,285,252,263,277,270,266,251,330,330,308,241,369,85,147,40,45,47,55,0,46,0,14,14,15,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. e5 Ne4 6. O-O a6 7. Bxc6 dxc6 8. Qxd4 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (8. Nxd4 {is more complex.} Bc5 9. c3 O-O 10. Re1 f5 11. Bf4) (8. Re1 Nc5 9. Nxd4 Ne6 10. Nxe6 Bxe6 11. Qf3 Qd4 12. Nc3 Qg4 13. Qxg4 Bxg4 14. Ne4 O-O-O 15. h3 Bf5 {½-½ (31) Mista,A (2617)-Gajewski,G (2615) Warsaw 2017}) 8... Qxd4 $146 ({Predecessor:} 8... Bf5 9. Nbd2 Bc5 10. Qc4 Qd5 11. Qxd5 cxd5 12. Nb3 Bb6 13. Nfd4 Bd7 14. f3 Nc5 15. Nxc5 Bxc5 {0-1 (73) Vinkel,V-Litvinov,V Moscow 1967}) 9. Nxd4 Be7 10. Re1 Nc5 11. Nc3 Bd7 12. f4 Ne6 13. Nf3 Bc5+ 14. Kh1 Nd4 15. Nxd4 Bxd4 16. Ne4 Rd8 17. c3 Ba7 18. Be3 Bxe3 19. Rxe3 Ke7 20. Rae1 Bc8 21. Kg1 Rhe8 22. Kf2 Kf8 23. h3 Rd5 24. g4 Red8 25. Ng5 Rd2+ 26. R1e2 h6 27. Nf3 Rxe2+ 28. Kxe2 $11 {[%mdl 4096] Endgame KRB-KRN} h5 29. f5 hxg4 30. hxg4 Ke7 31. b4 {[%cal Bb2b4,Bb4c5,Bc5c6][%mdl 32]} c5 32. bxc5 Rd5 33. c6 Ra5 $2 ({Black should try} 33... bxc6 $14 34. Nd4 Kf8) 34. f6+ $1 $18 gxf6 35. exf6+ Kf8 36. Ne5 bxc6 37. Kd3 {Strongly threatening Rh3.} Rd5+ 38. Ke4 $1 Rd6 {[#]} 39. g5 $1 Rd2 40. Re1 Be6 41. Ke3 (41. Nxc6 Bd5+ 42. Ke3 Rh2 $18) 41... Rc2 (41... Rd5 $142 42. Kf4 (42. Nxc6 Rxg5 43. Rd1 Rd5 $14) 42... Kg8) 42. Rh1 $2 (42. g6 $18 {Intending Rb1 and mate.} fxg6 43. Rb1) 42... Kg8 {[#]} (42... Rxc3+ $142 43. Kd4 Rh3) 43. Kd3 (43. c4 $1 $16) 43... Bf5+ $1 $14 44. Kc4 Be6+ 45. Kd3 (45. Kb4 $5 {[%cal Re5c6]} c5+ 46. Kxc5 $16) 45... Bf5+ $1 46. Ke3 {Black must now prevent c4.} (46. Kd4 $5 {[%cal Re5c6]} c5+ 47. Kxc5 $16) 46... Rxc3+ {The position is equal.} 47. Kf4 Be6 48. Rh2 Rc1 49. Rd2 Rf1+ 50. Ke3 Bd5 51. Rb2 Re1+ 52. Kf4 Rf1+ 53. Kg4 Be6+ 54. Kh4 $1 Rf4+ 55. Kh5 $1 Kh7 {And now ...Bf5 would win.} 56. Rh2 $1 Re4 57. Nxf7 {[%mdl 64] Decoy} Bxf7+ $11 {[#] KRB-KR} 58. g6+ $1 {[%mdl 512]} Kg8 (58... Bxg6+ 59. Kg5+) 59. Kg5 Be6 {...Rg4+ is the strong threat.} 60. Rb2 Bf7 61. Rb8+ Re8 62. gxf7+ Kxf7 63. Rxe8 Kxe8 {K3P-KPP} 64. Kf5 Kf7 65. Ke5 c5 66. Kd5 Kxf6 67. Kxc5 {KPP-KP} Ke7 68. Kc6 Kd8 69. a4 Kc8 70. a5 Kb8 71. Kc5 Kb7 72. Kd5 Ka7 73. Kc6 Kb8 74. Kc5 Kb7 75. Kd5 Kc8 76. Kc6 Kd8 77. Kb7 c5 78. Kxa6 {Kb7 would kill now.} c4 (78... Kc7 $5 79. Kb5 $8 Kd8 $11) 79. Kb7 $1 c3 {( -> ...c2)} (79... Kd7 $5 80. a6 $8 c3 $11) 80. a6 {White wants to mate with a7.} c2 81. a7 {Accuracy: White = 69%, Black = 63%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "7.4"]
[White "Gauri, Shankar"]
[Black "Wheeler, Cameron"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2350"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,26,22,5,0,9,0,-10,-13]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 b6 7. Bb2 Bb7 8. cxd5 Nxd5 9. d4 Nd7 10. Nbd2 c5 11. Rc1 {The position is equal.} Rc8 {A14: English Opening: 1...e6 with b3 by White} 12. a3 (12. dxc5 Nxc5 13. Nd4 Bg5 14. N4f3 Bf6 15. Ne5 Bg5 16. Nef3 Bh6 17. Rc4 b5 18. Rh4 b4 19. Qe1 a5 20. Nc4 a4 {0-1 (34) Kovalyov,A (2644)-Sadorra,J (2555) Irving 2018}) 12... N5f6 13. dxc5 Rxc5 {[#]} {Predecessor:} 14. Rxc5 $146 Nxc5 15. b4 Nce4 16. Nxe4 Bxe4 17. Qxd8 Rxd8 {½-½ (40) Vadasz,L (2505)-Barczay,L (2465) Budapest 1978} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "7.5"]
[White "Li, Eric"]
[Black "Francisco, Richard"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2195"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,98,22,22,-18,-11,-9,0,-12,0,3,2,-8,0,0,0,7,15,0,0,0,0,0,0,-4,16,-43,-43,-43,-22,-43,-13,-22,-12,-44,0,0,0,-33,-42,-43,-25,-23,0,0,-32,-31,0,0,0,0,0,0,0,-87,-8,-20,0,0,0,-8,0,0,0,0,0,0,0,0,22,22,57,57,57,57,57,57,57,57,57,57,57,0,57]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 O-O 7. Bg2 c6 8. O-O Nbd7 9. Rc1 Qe7 10. cxd5 {E11: Bogo-Indian} (10. Qe3 dxc4 11. Rxc4 Nd5 12. Qa3 Re8 13. Qxe7 Rxe7 14. e4 N5b6 15. Rc2 e5 16. Nbd2 a5 17. a3 g6 {0-1 (42) Kramnik,V (2803)-Andreikin,D (2713) Moscow 2013}) 10... exd5 11. Nc3 Nb6 12. Ne5 Ne8 $146 ({Predecessor:} 12... Ng4 13. Nd3 Nc4 14. Qe1 Bf5 15. e4 {½-½ (15) Grandelius,N (2536)-Urkedal,F (2447) Albena 2011}) 13. b3 Bf5 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} a6 (14... a5 {seems wilder.} 15. Re1 Nd6 16. e3 h6 17. Rad1 Rae8) 15. a5 Nd7 16. Nxd7 Bxd7 17. Na4 Nd6 18. Nc5 Rad8 19. Rc3 Bc8 20. Re1 Qf6 21. Qf4 ({White should play} 21. f3 $11) 21... Qxf4 $15 22. gxf4 Rfe8 23. e3 Re7 24. Rcc1 Rde8 25. Red1 h5 26. Bf3 g6 27. Nd3 Kg7 28. Kh1 Bf5 29. Nc5 Bc8 30. Rg1 Kh6 31. Be2 Bf5 32. Bd3 Bxd3 (32... Bh3 {keeps more tension.} 33. b4 Rh8 34. Bc2 Kg7 35. Bd3 Rhe8) 33. Nxd3 Ne4 34. Rc2 f6 35. Nc5 (35. h3 $11) 35... Nd6 (35... Nxc5 $17 36. Rxc5 g5) 36. Rg2 Nf5 37. Rc1 Rg8 38. Nd3 Rf7 39. Rcg1 Nd6 40. Nc5 Re7 41. Rg3 Ne4 42. Nxe4 Rxe4 $11 {[%mdl 4096] Endgame KRR-KRR} 43. h4 f5 44. Rc1 Kg7 45. Kg2 Kf7 46. Kf3 Rge8 47. Rgg1 R8e6 48. Rg2 Re8 49. Rgg1 R8e6 $1 {Accuracy: White = 51%, Black = 49%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "8.1"]
[White "Berczes, David"]
[Black "Li, Eric"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2433"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,0,8,8,24,35,28,42,34,24,16,27,77,30,59,9,36,47,55,60,105,96,79,99,87,73,73,73,73,73,72,66,66,74,74,79,64,61,66,69,97,90,98,97,87,94,89,93,108,0,0,0,0,0,0,0,0,7,6,14,17,0,27,19,19,0,46,2,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,29972,29973,29974,8,34,34,29973,29974,29977,29978,29978,29979,29979,29979,29979,29980,29980,29981,29985,29986,29987,29985,29986,29986,29991,29992,29992,29991,29991,29989]} 1. d4 Nf6 2. Nf3 d5 3. g3 c5 4. Bg2 cxd4 5. O-O h6 6. Bf4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (6. Nxd4 e5 7. Nb3 Be6 8. c4 Nc6 9. cxd5 Bxd5 10. Nc3 Bxg2 11. Kxg2 Be7 12. Be3 O-O 13. Rc1 Rc8 14. Qxd8 Rfxd8 15. Rfd1 Rxd1 16. Rxd1 {1-0 (40) Socko,B (2627)-Tomczak,J (2631) Warsaw 2019}) 6... Nbd7 7. Qxd4 e6 8. c4 {White has an edge.} Bc5 9. Qd3 dxc4 $146 ({Predecessor:} 9... O-O 10. cxd5 Nxd5 11. Nc3 Nxf4 12. gxf4 Nf6 13. Ne5 Qxd3 14. Nxd3 {1-0 (49) Mego,P (2347)-Prokopp,H (2427) ICCF email 2007}) 10. Qxc4 Nd5 11. Bd2 Qc7 12. Qb3 O-O 13. Nc3 Nxc3 14. Qxc3 Bb6 15. Qxc7 Bxc7 16. Rac1 Bd8 17. Nd4 Bf6 18. Nb5 Bxb2 19. Rc2 Be5 20. Bb4 {Rd1 is the strong threat.} Re8 $1 21. f4 a6 22. fxe5 axb5 23. Bd6 Ra4 24. Rb1 Nb6 25. Rxb5 Nc4 26. Rc5 Nxd6 27. exd6 Bd7 28. Rc7 Rd8 29. Rd2 (29. Bxb7 $16 Rd4 30. R2c4 Rxd6 31. a4) 29... b5 $11 30. Bc6 Bxc6 31. Rxc6 {[%mdl 4096] Endgame KRR-KRR} Rc4 32. Rb6 Rc5 33. Kf2 Rd7 34. Rb2 Rd5 35. R2xb5 R5xd6 (35... R7xd6 {seems wilder.} 36. a4 Rxb6 37. Rxb6 Ra5 38. Rb8+ Kh7) 36. Rxd6 Rxd6 {KR-KR} 37. Ke3 Rd1 38. Rb8+ Kh7 39. Rb2 g5 40. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Ra1 41. Rb4 Kg6 42. Kd3 Ra2 43. Kc4 Rxe2 44. a5 {Hoping for a6.} Rxh2 45. a6 {Strongly threatening Kb3.} Rc2+ 46. Kb5 Rc8 47. a7 Ra8 48. Ka6 f5 49. Kb7 Rxa7+ 50. Kxa7 f4 51. gxf4 {Threatens to win with Kb6.} gxf4 $2 {[%mdl 8192]} (51... Kf5 $11) 52. Rxf4 {KR-KPP} Kg5 53. Rf8 $2 (53. Rf7 {mates} h5 54. Kb6 h4 55. Kc5 h3 56. Kd4 Kg4 57. Ke3 h2 58. Rg7+ Kh3 59. Kf2 (59. Rh7+ Kg2 $11) 59... h1=N+ 60. Kf3) 53... h5 54. Kb6 Kg4 $2 {[%mdl 8192]} (54... e5 $14) 55. Kc5 {White mates.} h4 56. Kd4 $1 h3 57. Ke3 $1 h2 58. Rh8 Kg3 {[#]} 59. Rg8+ $1 Kh3 {[#]} 60. Kf2 $1 ({Worse is} 60. Rh8+ Kg2 $11) 60... h1=N+ 61. Kf3 {[%cal Rg8h8]} Kh2 62. Rg2+ Kh3 63. Rg6 {[%cal Rg6h6]} Kh2 64. Rxe6 Kg1 65. Rg6+ Kf1 66. Ke3 {Played: Rg6-g2} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "8.2"]
[White "Wheeler, Cameron"]
[Black "Francisco, Richard"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2383"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "173"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,173,0,0,2,0,-4,-29,-4,-10,-8,0,0,0,-4,0,-8,-6,-8,-6,-4,5,0,0,5,12,-5,25,27,16,29,29,20,20,0,0,0,0,-75,-75,-62,-73,-94,-93,-95,-89,-92,-87,-95,-95,-110,-110,-110,-117,-118,-100,-102,-71,-103,-107,-133,-99,-137,-133,-192,-185,-269,-269,-269,-269,-269,-212,-212,-212,-212,-212,-212,-212,-212,-212,-212,-164,-281,-212,-212,-164,-164,0,-164,0,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-160,-160,-160,-160,-160,-164,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-139,-5238,-5238,-5231,-5231,-5231,-5223,-5223,-5223,-5216,-5202,-5195,-5194,-5194,-5187,-5186,-5186,-5082,-5016,-4109,-1150,-952,-634,-612,-28,-575,-18,-18]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 O-O 5. Bg2 d5 6. Nf3 dxc4 7. O-O Nc6 8. Qa4 {E20: Nimzo-Indian: 4 g3 and 4 f3} Nd5 9. Qc2 Be7 10. Rd1 {Black has an edge.} Rb8 11. e4 Ncb4 12. Qb1 Nxc3 13. bxc3 Nd3 14. Qb5 {[#]} a6 $146 ({Predecessor:} 14... c5 15. Qxc4 Nxc1 16. Raxc1 {½-½ (34) Onischuk,A (2667)-Naroditsky,D (2646) Saint Louis 2017}) 15. Qxc4 Nxc1 16. Raxc1 b5 17. Qe2 c5 18. c4 Qb6 19. d5 bxc4 20. Ne5 exd5 21. exd5 {Threatens to win with d6.} Bf6 22. Nc6 c3 $1 23. d6 Be6 24. Be4 Rbc8 25. Ne7+ (25. Qf3 $11 {remains equal.}) 25... Bxe7 $1 $17 26. dxe7 Rfe8 27. Qh5 {[%csl Ge4][%cal Rh5h7]} g6 28. Qg5 Qc7 29. Rxc3 Qxe7 30. Qxe7 Rxe7 31. Bf3 Bxa2 32. Ra1 Be6 33. Rxa6 Bh3 {[%cal Re7e1]} (33... c4 {keeps more tension.} 34. Kg2 Rb8 35. Ra5 Rd7 36. Rc2 Rc8) 34. Ra1 Kg7 35. Bg2 Be6 36. h4 h5 37. Bf1 c4 38. Ra6 (38. Rac1 $17) 38... Rb7 $19 {aiming for ...Rb1.} 39. Rxe6 (39. Ra1 {was called for.}) 39... fxe6 40. Rxc4 Rxc4 41. Bxc4 {[%mdl 4096] Endgame KR-KB} Kf6 42. Kg2 Rc7 43. Bd3 Rc3 44. Be4 Rb3 45. Bc2 Ra3 46. Be4 e5 47. Bc2 (47. Bb1 $142) 47... Rc3 48. Be4 Rc4 49. Kf3 Rc3+ 50. Kg2 $1 Ra3 51. Bc2 $1 Ra6 52. Kf3 Ke7 53. Bd3 Rf6+ 54. Ke3 Kd6 55. Be4 Kc5 56. Bd3 Kd5 57. Be4+ Ke6 58. Bd3 Ke7 59. Bb1 Rb6 60. Bc2 Kf6 61. Kf3 g5 62. hxg5+ Kxg5 63. Ke3 Rf6 64. Bd3 Rd6 65. Be4 Ra6 66. Bd3 Ra4 67. Kf3 h4 68. gxh4+ Rxh4 (68... Kxh4 $2 69. Ke3) 69. Ke3 Rh3+ 70. Ke4 Kf6 71. Be2 Rh4+ 72. Ke3 Ke6 73. Bd1 Rb4 74. Bh5 $2 {[%mdl 8192] [#]} (74. Bc2 $17) 74... Kf5 $1 75. Bd1 Re4+ 76. Kf3 Rc4 77. Ke3 Rc3+ 78. Kd2 Ra3 79. Ke2 Kf4 80. Kf1 Ra2 81. Kg2 Ra1 82. Bh5 e4 83. Be2 Re1 (83... Rb1 $142 84. Bh5 {[#]} Rb2 $1 {[%mdl 512]}) 84. Bh5 Kg5 85. Bf7 Kg4 $2 (85... Kf6 $19 86. Bh5 Kf5) 86. Bd5 $2 {[%mdl 8192]} (86. Bg6 $1 $11 {and White is okay.}) 86... Re2 $2 {[#]} (86... Kf4 $19 {White must now prevent ...Re2!} 87. Bf7 Rd1) 87. Bxe4 $1 {[%mdl 512] Accuracy: White = 48%, Black = 64%.} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "8.3"]
[White "Liang, Jason"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2353"]
[BlackElo "2252"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,21,14,7,5,-10,0,-20,0,0,39,48,57,26,65,47,83,80,95,49,102,62,118,119,136,135,155,88,127,124,147,130,120,108,101,112,111,112,108,86,100,98,99,62,55,60,83,61,63,46,46,54,71,45,43,52,82,66,152,50,77,56,201,194,200,204,234,237,240,235,219,222,222,216,210,208,262,270,272,265,351,348,390,372,374,357,515,500,502,488,547,530,638,486,603,587,725,708,926,907,957,955,1060,1036,1125,1022,945,897]} 1. d4 Nf6 2. Bf4 d6 3. Nc3 Nbd7 4. Nf3 c5 5. e3 a6 6. Be2 {A45: Trompowsky Attack} g6 7. h3 Bg7 8. O-O {The position is equal.} O-O 9. a4 b6 10. d5 Qc7 $146 ({Predecessor:} 10... Rb8) 11. Nd2 Ne8 12. e4 $36 {[%mdl 2048] White has good play.} Qb8 13. Bg5 Ndf6 14. Nc4 Ra7 (14... h6 $1 $14 15. Bf4 Nd7) 15. f4 h6 ({Better is} 15... Bd7 $14) 16. Bh4 $16 Nh7 17. Qd2 e6 18. Ra3 (18. Bf3 $142) 18... exd5 19. Nxd5 {[#] Black must now prevent Ne7+.} Nef6 20. Nxf6+ Nxf6 21. Qxd6 ({Worse is} 21. Nxd6 Rd7 $11) 21... Be6 22. Qxb8 ({Reject} 22. Qxb6 $6 Qxb6 23. Nxb6 Nxe4 $11) 22... Rxb8 23. e5 Nd5 24. Bg3 Nb4 25. Ne3 Rd8 26. Rd1 (26. Bg4 {is more complex.} Bxg4 27. hxg4 Nc6 28. Nc4 Rd4 29. Rc3) 26... Rxd1+ 27. Bxd1 Rd7 28. Ra1 f6 29. Bf3 fxe5 30. fxe5 h5 31. Be4 Bh6 32. Re1 Kh7 33. Kf2 Rd4 (33... Kg7 $14) 34. Nf1 ({White must play} 34. Kf3 $16 {c3 is the strong threat.} Rd2 35. Rf1) 34... Rd7 35. Nh2 b5 {[#]} (35... Rd2+ $14 36. Re2 Rxe2+ 37. Kxe2 Kg7) 36. axb5 $1 $18 axb5 37. Nf3 Nd5 38. Ra1 Ne3 39. Ra6 Bf5 40. Bxf5 Nxf5 41. e6 Re7 42. Be5 Ng7 43. Bxg7 $1 Kxg7 {[%mdl 4096] Endgame KRB-KRN} 44. Ne5 Bg5 45. Nd7 c4 46. Kf3 Re8 47. Ke4 Rc8 (47... Bc1 $142 48. Rb6 Bxb2) 48. Rb6 {White is clearly winning.} Be7 49. Rxb5 Rc6 50. Rb6 Rc8 51. Kd5 Ra8 52. Kxc4 Rc8+ 53. Kd3 h4 54. c4 g5 55. Kd4 Kg6 56. c5 Kf5 57. Kd5 Ra8 58. Rb3 {Accuracy: White = 64%, Black = 32%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "8.4"]
[White "Uyanga, Byambaa"]
[Black "Martin Del Campo C., Roberto"]
[Result "1/2-1/2"]
[WhiteElo "2113"]
[BlackElo "2322"]
[Annotator "NA"]
[PlyCount "13"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:30:30]} c5 {[%emt 1:30:30]} 2. Nf3 {[%emt 0:00:30]} d6 {[%emt 0:00:30]} 3. d4 {[%emt 0:00:30]} cxd4 {[%emt 0:00:30]} 4. Nxd4 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 5. Nc3 {[%emt 0:00:30]} g6 {[%emt 0:00:30]} 6. Be3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:30]} 7. f3 {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "8.5"]
[White "Gauri, Shankar"]
[Black "Jacobson, Aaron"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2350"]
[BlackElo "2336"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,24,26,27,28,19,18]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 Bf6 10. Re1 Nf5 11. c3 d5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4.} 12. Bf4 Nh4 {[#]} {Predecessor:} 13. Bd3 $146 Bf5 14. Bxf5 Nxf5 15. Nd2 Qd7 16. Nf3 Rfe8 17. Qd3 Nh4 18. Nxh4 Bxh4 19. Qd2 {½-½ (26) Neiksans,A (2566)-Hakobyan,A (2559) Saint Louis 2019} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "9.1"]
[White "Francisco, Richard"]
[Black "Berczes, David"]
[Result "1/2-1/2"]
[WhiteElo "2256"]
[BlackElo "2433"]
[Annotator "NA RC"]
[PlyCount "12"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 9,12,19,15,0,22]} 1. c4 {[%emt 1:30:30]} c6 {[%emt 1:30:30]} 2. g3 {[%emt 0:00:30]} d5 {[%emt 0:00:30]} 3. Nf3 {[%emt 0:00:30]} Bg4 {[%emt 0:00:30]} 4. Bg2 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 5. O-O {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 6. d3 {[%emt 0:00:30]} dxc4 $11 {[%emt 0:00:30]} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "9.2"]
[White "Martin Del Campo C., Roberto"]
[Black "Gauri, Shankar"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "2322"]
[BlackElo "2350"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,20,14,16,39]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8. Bb5+ Nc6 9. O-O O-O 10. Bg5 Be6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} {Predecessor:} 11. Bxc6 $146 bxc6 12. Na4 h6 13. Bxf6 Qxf6 14. Ne5 c5 15. Nc6 Bd7 16. Nxb4 cxb4 17. Nc5 Bb5 18. Re1 {½-½ (63) Taylor,T (2450)-Roos,D (2385) New York 1984} 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.21"]
[Round "9.3"]
[White "Eswaran, Ashritha"]
[Black "Uyanga, Byambaa"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2252"]
[BlackElo "2113"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,60,66,57,-3,74,68,73,83,111,118,108,108,102,109,117,105,104,108,131,129,141,126,130,142,164,164,173,143,154,115,203,201,256,255,253,243,244,171,408,412,958,920,827,800,1982,2010,29992,29993]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O Nf6 5. Re1 Bd7 6. c3 a6 7. Bf1 e5 8. h3 Be7 9. d4 O-O {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 10. Na3 (10. d5 $14) (10. d5 Na7 11. Nxe5 dxe5 12. d6 Be6 13. dxe7 Qxe7 14. Nd2 Rfd8 15. Qc2 Rac8 16. b3 b5 17. a4 {1-0 (35) Svidler,P (2727)-Movsesian,S (2658) Berlin 2015}) 10... h6 $146 (10... exd4 $11 {remains equal.} 11. cxd4 Nxd4) ({Predecessor:} 10... cxd4 11. cxd4 Nxd4 12. Nxd4 exd4 13. Qxd4 Bc6 {½-½ (49) Khatanbaatar,B (2347)-Idani,P (2586) Qingdao 2019}) 11. dxc5 $16 dxc5 {White is slightly better.} 12. Nc4 {[%cal Ba3c4,Bc4d2,Bd2f3,Bf3d4,Bd4f5][%mdl 32]} Qc7 {[#]} 13. Nfxe5 $1 {[%mdl 512]} Nxe5 14. Bf4 Be6 15. Bxe5 Qc6 16. Qc2 b5 17. Nd2 Nd7 18. Bg3 c4 19. Nf3 Nc5 20. Nd4 Qb6 21. f4 Bc8 22. Kh2 Bb7 23. Nf5 Bd8 (23... Rfe8 $16) 24. Rad1 $18 Qc7 25. e5 Be7 26. Nd4 Rfe8 27. Re3 f6 $2 (27... Qb6 {keeps fighting.} 28. f5 Bg5) 28. Qg6 fxe5 {[#]} (28... Bf8 $142 29. e6 h5 30. Qxh5 Re7) 29. Nf5 $1 {[%csl Gf5][%cal Rg6g7][%mdl 512]} Bf6 30. Nxh6+ Kf8 {[#]} 31. Qh7 $1 {Intending Qg8+ and mate.} Ke7 32. fxe5 {Accuracy: White = 77%, Black = 34%.} 1-0

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.21"]
[Round "9.4"]
[White "Li, Eric"]
[Black "Liang, Jason"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2195"]
[BlackElo "2353"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,59,42,50,51,58,35,55,52,54,30,40,33,52,52,90,54,104,106,83,72,104,87,78,62,66,61,96,96,99,96,98,81,81,82,187,107,151,0,107,107,150,0,107,0,139,0]} 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 Nbd7 7. Nf3 Nf8 8. h3 Ng6 9. O-O {A56: Czech Benoni} (9. g3 a6 10. Qc2 Rb8 11. h4 h5 12. Ng5 Ng4 13. f3 Nh6 14. Bd2 Bd7 15. Rb1 b5 16. cxb5 axb5 {1-0 (48) Cheparinov,I (2709)-Shulman,Y (2563) Reykjavik 2013}) 9... O-O 10. a3 h6 11. b4 $146 {White is slightly better.} ({Predecessor:} 11. Bd2 Nh7 12. b4 Bg5 13. Nxg5 Nxg5 14. Ne2 f5 15. exf5 Bxf5 16. Bxf5 Rxf5 17. bxc5 dxc5 {0-1 (36) Pathasart,S-Schmidt,R (1828) Berlin 2015}) 11... b6 12. Kh2 Nh7 13. Be3 Bg5 14. Nxg5 hxg5 15. Be2 Ne7 16. bxc5 bxc5 17. Bg4 g6 18. Bxc8 Nxc8 19. f3 Rb8 20. Rb1 Rxb1 21. Qxb1 Qa5 22. Qb3 Nb6 23. Nb5 Rd8 24. Rb1 {Black must now prevent Nxa7!} Na8 (24... Rd7 $16) 25. Rb2 ({White should try} 25. Nxd6 $18 {Hoping for Nb7.} Rxd6 26. Qb7) 25... Qa6 26. Rb1 $2 {[#]} (26. a4 $16) 26... Rb8 (26... Qa5 $1 $11) 27. Qc2 Rd8 28. Qb3 (28. a4 $16) 28... Rb8 (28... Qa5 $11 {keeps the balance.}) 29. Qc2 Rd8 $1 30. Qb3 {Accuracy: White = 36%, Black = 29%.} ({White should play} 30. a4 $16) 1/2-1/2

[Event "Winter CCCSA-IM 2020"]
[Site "Charlotte"]
[Date "2020.01.20"]
[Round "9.5"]
[White "Jacobson, Aaron"]
[Black "Wheeler, Cameron"]
[Result "1/2-1/2"]
[WhiteElo "2336"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "17"]
[EventDate "2020.01.17"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,17,16,22,27,22,29,35,27,58,51]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 h6 6. Bf4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} Nf6 7. e3 Bd6 8. Be5 Nbd7 $146 ({Predecessor:} 8... Be6 9. Qb3 Ra7 10. Bd3 Bxe5 11. Nxe5 O-O 12. O-O Nbd7 13. f4 {½-½ (42) Karjakin,S (2748)-Carlsen,M (2875) Zagreb 2019}) 9. Bxd6 1/2-1/2

