[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.1"]
[White "Abrahamyan, Tatev"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2358"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,23,24,22,22,18,0,4,0,23,11,13,0,1,8,26,22,40,-39,-23,-33,0,0,0,-8,35,48,59,38,40,4,56,54,55,24,77,39,34,29,49,48,117,116,124,131,123,122,184,183,230,228,317,322,317,303,304,289,337,336,381,412,614,380,543,510,593,349,594,603,802,800,1316,1347,1624,1746,1390,1246,1313,1250]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. a4 h6 8. Nbd2 O-O {The position is equal.} 9. Re1 Bb6 10. Nf1 Ne7 11. Ng3 Ng6 12. h3 c6 13. Bb3 Bc7 {[#]} 14. Be3 $146 (14. d4 $14) ({Predecessor:} 14. d4 Re8 15. Be3 d5 16. dxe5 Nxe4 17. Nxe4 dxe4 18. Qxd8 Rxd8 19. Nd2 Nxe5 20. Nxe4 {0-1 (55) Gunina,V (2507)-Stefanova,A (2481) Tbilisi 2018}) 14... d5 $1 $15 15. Qd2 Kh7 16. Rad1 Be6 {[#] Hoping for ...d4.} 17. Bc2 Qd7 (17... Re8 {seems wilder.} 18. Qc1 Qc8 19. d4 exd4 20. Bxd4 Bxg3 21. exd5 Bxd5 22. Bxf6 Bxf3 23. Rxe8 Qxe8 24. gxf3 Bb8) 18. d4 Nxe4 19. Nxe4 dxe4 20. Nxe5 (20. dxe5 $5 {[%cal Rd2d7]} Qxd2 21. Nxd2 $14) 20... Bxe5 (20... Nxe5 $11 21. dxe5 Qxd2 22. Bxe4+ (22. Rxd2 Kg8 $11) 22... Kg8 23. Rxd2 (23. Bxd2 Bxe5 24. Be3 Bc7 $11) 23... Bxe5) 21. dxe5 $14 Qxd2 22. Bxd2 Rfd8 (22... Kg8 $11 {remains equal.}) 23. Bc1 ({Much weaker is} 23. Bxe4 Bb3 $15) 23... Nxe5 24. Bxe4+ g6 25. Bc2 $36 {[%mdl 2048] White has some pressure.} Nc4 {Black is on the road to losing.} ({Black should play} 25... Rxd1 $14 26. Rxd1 Re8) 26. b3 $16 Nb6 27. c4 Nd7 28. Ba3 {Be7 is the strong threat.} c5 (28... Nf6 $16 29. g4 Rxd1 30. Rxd1 Ne8) 29. Rd6 Nf6 30. Bxc5 Ne8 31. Rxd8 Rxd8 32. Rd1 Ra8 33. Bb6 Nf6 34. Rd8 Ra6 35. Bd4 Kg7 (35... Bf5 $142) 36. Be5 Rc6 (36... Bf5 $142) 37. Rb8 $18 Rb6 38. Bc7 Rc6 $2 {[#]} (38... Nd7 {was called for.} 39. Bxb6 Nxb8 40. Bxa5 Kf8) 39. Bxa5 {White is clearly winning.} Bc8 40. Bc3 b6 41. Be4 Re6 42. Bd5 Re8 43. Rxb6 Be6 44. Bxe6 {Av CentiPawn Loss W=-21/B=-55. Weighted=-21/-47} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.2"]
[White "Foisor, Sabina-Francesca"]
[Black "Derakhshani, Dorsa"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2228"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,64,6,1,15,5,13,-3,0,0,8,11,12,8,16,19,27,14,22,23,30,0,0,0,0,-8,0,0,0,0,83,0,111,108,108,109,108,104,144,101,85,0,0,0,0,-633,-609,-1364,-1361,-1292,-1272,-29986,-29987,-29988,-29989,-29989,-29990]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 d5 6. Nbd2 Nbd7 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. Qe2 Bd6 8. Bg3 Ne4 {[#] The position is equal.} 9. Bxd6 $146 ({Predecessor:} 9. O-O a6 10. c4 O-O 11. cxd5 Nxg3 12. hxg3 exd5 13. Rac1 Re8 14. Rc2 Nf6 15. Rfc1 {0-1 (32) Castellanos Rodriguez,R (2491)-Grandelius,N (2643) Tallinn 2016}) 9... cxd6 10. c4 f5 11. cxd5 Bxd5 12. O-O O-O 13. Bc4 Ndf6 14. Nxe4 fxe4 15. Nd2 Bxc4 16. Nxc4 Rc8 17. Rac1 b5 18. Nd2 Qa5 19. a3 a6 {[#]} (19... h6 $11) 20. h3 (20. Nxe4 $1 $16 {[%mdl 512]} Nxe4 21. Rxc8 Rxc8 22. Qg4 {[%mdl 64] Double Attack}) 20... Rc7 {[#]} (20... Qd8 $11) 21. Nb3 $1 $16 {[%cal Rb3a5]} Qb6 22. Rxc7 Qxc7 23. Rc1 Qf7 24. Na5 g5 {[#]} 25. Rc6 (25. g3 $1 $16) 25... g4 $1 $11 26. hxg4 {Black must now prevent g5.} Qg6 27. Rxd6 $2 {[%mdl 8192]} (27. Qc2 $11) 27... Nxg4 $19 {Strongly threatening ...Qh5.} 28. Kf1 Nh2+ 29. Ke1 Qxg2 30. f4 exf3 {[%csl Gf3][%cal Rg2e2] Black mates.} 31. Qf2 Ng4 32. Qxg2 fxg2 {Av CentiPawn Loss W=-100/B=-12. Weighted=-158/-18} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.3"]
[White "Nguyen, Emily"]
[Black "Wang, Annie"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2280"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,80,2,5,16,74,8,4,0,0,0,0,0,0,0,12,-1,0,16,24,2,21,9,70,54,59,51,60,0,0,0,41,39,38,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-9,-17,36,54,65,79,90,-29990,-29991,-29994,-29995,-29995,-29996]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 O-O 8. e3 h6 9. Bxf6 Qxf6 10. Be2 Be6 11. a3 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Be7 {11...Bxc3+ is a critical line.} (11... Bxc3+ $11 {remains equal.} 12. bxc3 Qg6) 12. O-O (12. Qb3 $16) 12... a6 $11 13. b4 {The position is equal.} Bd6 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Qc2 Ne7 15. b5 a5 16. Na4 b6 17. Nc3 Bf5 18. Bd3 Bg4 19. Be2 Bf5 20. Bd3 Bg4 21. Be2 Bf5 {½-½ (21) Dautov,R (2607)-Mesaros,F (2372) Germany 2017}) 14... Ne7 15. Na4 Rad8 16. Nc5 Bc8 17. Rfc1 Rfe8 18. a4 Nf5 19. b5 {[%cal Rb5a6]} a5 20. Nd3 Nh4 (20... h5 $11) 21. Nxh4 $14 Qxh4 22. g3 Qf6 23. b6 (23. Bf1 $14) 23... c6 $11 24. Qc3 Bf5 25. Qxa5 h5 $1 26. Nc5 h4 $1 {[%cal Rh4g3]} 27. Qd2 (27. Nxb7 hxg3 28. hxg3 Bxg3 $19) 27... hxg3 28. hxg3 Qg5 {And now ...Bxg3! would win.} 29. Bf3 ({Don't go for} 29. Nxb7 $2 Bxg3 30. Bf3 (30. Nxd8 $2 Bh4+ 31. Bg4 Qxg4+ 32. Kf1 Be4 $19) 30... Bf4+ 31. Kf1 {[#]} Bxe3 $1 $19 {[%mdl 512]}) 29... Bxc5 $1 30. Rxc5 Rd6 31. a5 $36 {[%mdl 2048] Black is under pressure.} Rh6 32. Qe2 Qg6 {aiming for ...Bd3.} 33. Qf1 Bh3 34. Bg2 Bg4 {White must now prevent ...Qh5.} 35. f3 Qh5 ({Black should play} 35... Bf5 $11 36. Qf2 Bd3) 36. Kf2 $14 {Strongly threatening a6.} Rf6 37. Qh1 $1 {[%cal Rh1h5] Hoping for Qxh5.} Qf5 38. e4 $2 {[%mdl 8192] [#]} (38. Rc3 $16) 38... Qxe4 $1 {Black mates.} 39. Qd1 Qe3+ 40. Kf1 Bxf3 {Av CentiPawn Loss W=-39/B=-10. Weighted=-86/-9} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.4"]
[White "Eswaran, Ashritha"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2244"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,70,17,-12,18,6,15,-24,-12,-21,7,-62,-61,-62,-63,-68,-68,-102,-78,-97,0,-77,-7,-10,-7,-43,-44,-47,0,-69,-49,-158,-161,-243,-242,-270,39,41,130,117,267,270,267,262,240,-2461,-2259,-6391,-2834,-29990,-29991,-29991,-29992,-29998,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Nc6 7. Bg2 Bd7 8. O-O a6 9. Kh1 Be7 10. f4 O-O {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 11. Nb3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. Be3 b4 {Black has an edge.} 13. Ne2 {[#]} Qc7 $146 ({Predecessor:} 13... e5 14. f5 Na5 15. Nxa5 Qxa5 16. c4 h6 17. Nc1 Qc7 18. Qe2 Rfc8 19. b3 Bc6 20. Bd2 Qb7 21. Re1 a5 22. Nd3 Re8 23. Nf2 Bd8 {½-½ (23) Escofet Fernandez,J (2202)-Miranda,M (2318) Rio de Janeiro 1999}) 14. Ng1 (14. Rc1 $11) 14... a5 $15 15. g4 {[#]} d5 $1 {[%mdl 512]} 16. e5 (16. exd5 Nxd5) 16... Ne4 17. g5 Rfc8 18. Nd2 Na7 (18... Bc5 $17 19. Bxc5 Nxc5) 19. Rc1 (19. Nxe4 $11 dxe4 20. Bxe4) 19... Bc6 (19... Nxd2 $17 20. Qxd2 Nb5) 20. Nxe4 $11 dxe4 21. Nh3 Nb5 {[%cal Ba7b5,Bb5d4,Bd4f5][%mdl 32]} 22. Nf2 Rd8 23. Qh5 (23. Qe2 $11) 23... Nd4 $15 24. Ng4 ({Don't blunder} 24. Nxe4 $2 Qb7 $19) (24. Bxe4 $2 Bxe4+ 25. Nxe4 Qc6 $19) ({White should try} 24. Bxd4 $1 $15 Rxd4 25. Qe2) 24... Nf5 $17 25. Rce1 (25. Rfe1 $142) 25... Bb7 $19 26. Rg1 Bc5 $2 {[#]} (26... Qxc2 $19 {And now ...g6 would win.} 27. Re2 Qc7) 27. Nf6+ $1 $14 {[%mdl 512]} gxf6 ({Black should play} 27... Kf8 $1 $14 28. Bxc5+ Qxc5) 28. gxf6 $16 {Threatens to win with Bh3+.} Kh8 (28... Kf8 $16 {is a better defense.} 29. Qxh7 Ke8) 29. Bh3 $1 $18 {[%cal Rh3f5]} Rg8 ({Worse is} 29... Nxe3 30. Rg7 $1 {[%mdl 512]} Nxc2 31. Qxh7#) 30. Bxf5 exf5 {[#]} 31. Rg5 $4 {[%mdl 8192]} (31. Qh6 $1 $18 {[%mdl 512]} Rg6 32. Rxg6 fxg6 33. Bxc5) 31... Rxg5 $19 32. Qxg5 Rg8 33. Qh6 Bxe3 {[%mdl 64] Discovered Attack. Black mates.} 34. Rxe3 Qxc2 {[%csl Gg8][%cal Rc2g2]} 35. Rg3 e3+ {Av CentiPawn Loss W=-108/B=-79. Weighted=-125/-57} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.5"]
[White "Zatonskih, Anna"]
[Black "Samadashvili, Martha"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2420"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,80,14,7,47,48,45,14,20,39,30,19,20,3,20,0,0,0,0,0,0,0,3,0,1,6,4,5,8,7,8,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,-12,-10,-5,-5,-5,0,-6,0,-4,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 Bxc3+ 8. Qxc3 c6 9. e3 O-O 10. Bd3 Nd7 11. O-O dxc4 12. Bxc4 c5 {D43: Semi-Slav: 5 Bg5 h6.} 13. Rfd1 cxd4 14. Nxd4 Nb6 {[#]} 15. Be2 $146 ({Predecessor:} 15. Bb3 Bd7 16. Qa5 e5 17. Nb5 Bc6 18. Nd6 Nd7 19. Rac1 b6 20. Qa6 Nb8 21. Qd3 {1-0 (31) Vacek,R (2240)-Sykora,J Czechia 1998}) 15... Bd7 16. Bf3 e5 {[#] And now ...Rac8 would win.The position is equal.} 17. Nb3 Rfc8 18. Qd2 Bc6 19. Bxc6 Rxc6 20. Na5 Nc4 21. Nxc4 Rxc4 22. Rac1 Rac8 23. Rxc4 Rxc4 $11 {[%mdl 4096] Endgame KQR-KQR} 24. h3 g6 25. b3 Rc6 26. Qd3 Kg7 27. Qe4 h5 28. g3 Qe6 29. Kg2 (29. g4 {feels hotter.} hxg4 30. hxg4 Rd6 31. Rxd6 Qxd6 32. Kh2) 29... Ra6 30. Rd2 Qc6 31. Qxc6 Rxc6 {KR-KR} 32. Rd7 Ra6 33. Rd2 Kf6 34. Kf3 Ke6 35. e4 Rc6 36. Ke3 Rc3+ 37. Rd3 Rc2 38. Rd2 Rc3+ 39. Rd3 Rc2 40. Rd2 Rc3+ {Av CentiPawn Loss W=-2/B=-2. Weighted=-3/-3} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "1.6"]
[White "Yip, Carissa"]
[Black "Yu, Jennifer"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2421"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,200,34,17,35,18,17,8,10,16,15,0,4,0,0,0,0,-39,-20,-29,0,0,0,-8,0,-8,0,-10,0,-2,27,18,30,20,49,52,79,5,17,22,22,19,28,32,36,2,0,7,7,0,0,0,0,0,0,-11,22,0,0,-17,29,0,0,0,12,14,64,58,60,72,79,80,77,23,68,12,22,0,0,0,0,0,0,0,33,39,100,21,18,0,26,9,160,152,155,18,114,0,0,0,0,0,0,-448,103,99,135,134,260,8,8,8,16,17,85,8,8,8,68,68,61,62,113,8,235,218,179,0,8,0,0,0,0,0,130,123,174,63,470,464,1247,734,667,650,628,384,375,331,368,0,0,0,0,-22,0,0,0,-37,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h6 7. Re1 O-O {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. Nbd2 a5 9. h3 Be6 10. Bb5 Qb8 11. Nf1 Qa7 12. Be3 Bxe3 13. Nxe3 Ne7 14. Qc2 c6 15. Bc4 d5 16. exd5 $1 cxd5 17. Bb5 $1 {[#]} Qb6 $146 ({Predecessor:} 17... Qc5 18. a4 Qd6 19. d4 e4 20. Nd2 Nh5 21. c4 f5 22. cxd5 Nxd5 23. Ndc4 Nxe3 24. Rxe3 Bxc4 25. Qxc4+ {1-0 (45) Arjun,K (2483)-Anuj,S (2390) New Delhi 2019}) 18. a4 Ng6 19. Nf1 Qc7 20. Qe2 {[%cal Rf3e5]} e4 21. Nd4 {[%cal Rd3e4]} Bd7 22. dxe4 dxe4 23. Ng3 Rfe8 24. Qc4 (24. Bxd7 $1 $16 Qxd7 25. Qc2) 24... Qxc4 25. Bxc4 Rad8 26. Bb3 Re5 27. Nf1 Nf4 28. Bc2 Rg5 29. Ng3 Re8 $1 30. Re3 N4d5 31. Ree1 {[%cal Rg3e4]} Nf4 32. Rad1 h5 33. Nde2 N4d5 {With the idea ...h4.} 34. Nd4 $36 {[%cal Rg3e4][%mdl 2048] White is more active.} Nf4 35. Nde2 N4d5 {White should prevent ...h4.} 36. h4 Rge5 37. Bb3 Bg4 38. Rd4 Ne7 39. Nf4 $1 {[%cal Rf4d3] Black must now prevent Nd3!} Nc6 40. Rd6 Kf8 41. Nd5 Nxd5 42. Rxd5 (42. Bxd5 $16 {[%cal Re1e4]} e3 43. f3) 42... f5 43. Rd7 (43. Rd6 $1 $14) 43... R5e7 $11 44. Rxe7 (44. Rd6 {feels hotter.} Ne5 45. Rb1 g6 46. Bd5 Kg7 47. Rb6) 44... Rxe7 45. Bd1 (45. Bd5 {seems wilder.} Ne5 46. Rb1 b6 47. b4 Ra7 48. c4) 45... Bxd1 46. Rxd1 {[%mdl 4096] Endgame KRN-KRN} g6 47. Ne2 Ke8 48. Nf4 Kf7 (48... Ne5 $14) 49. Rd6 (49. b3 $16) 49... Ne5 50. Rd5 b6 51. Kf1 Nc4 $2 (51... e3 $11) 52. b3 $16 Ne5 53. Rd6 (53. Ke2 $16) 53... Rb7 (53... Rc7 $11) 54. Ke2 (54. c4 $16) 54... b5 $11 55. Rd5 bxa4 $1 56. bxa4 Nc4 57. Rb5 $2 {[%mdl 8192]} (57. Rc5 $11 {and White is okay.} Rb2+ 58. Kf1 Rb1+ 59. Ke2 Rb2+ 60. Kf1 Rb1+ 61. Ke2 Rb2+) 57... Rd7 $2 (57... Rxb5 $19 58. axb5 a4) 58. Rc5 $1 $16 {[%cal Rc5c4]} Nb6 59. Rxa5 Nc4 (59... Rc7 $16 60. Ra6 Nc4) 60. Rd5 $2 (60. Rc5 $1 $18 {[%cal Rc5c4]} Nb2 61. a5) 60... Ra7 $11 61. a5 Nxa5 62. Ke3 Nc6 {[#]} (62... Nc4+ $11 {keeps the balance.} 63. Kd4 Na5) 63. Rd6 (63. Nxg6 $1 $16 {[%mdl 512] Threatens to win with Rd6.} Kxg6 64. Rd6+ {[%mdl 64] Double Attack} Kf7 65. Rxc6) 63... Ne7 64. c4 Ra3+ (64... Rc7 $1 $11) 65. Kd4 $14 Ra2 66. Nh3 $1 Ke8 {[#]} ({Better is} 66... Nc8 $14 67. Ng5+ Ke8 68. Re6+ (68. Rxg6 Ne7 $14) 68... Kd7) 67. c5 (67. Ke5 $1 $16) 67... Rd2+ $2 (67... Rc2 $1 $11 {and Black has nothing to worry.}) 68. Ke5 $18 Rc2 69. Kd4 $2 (69. Kf6 $18 {Re6 is the strong threat.} Rxc5 70. Re6) 69... Rd2+ $11 70. Kc4 Rc2+ 71. Kb5 Rb2+ 72. Ka6 e3 (72... Rc2 $11 {remains equal.}) 73. fxe3 $16 Rxg2 {[#]} (73... Rc2 $16 {keeps fighting.}) 74. c6 ({White must play} 74. Kb7 $1 $18) 74... Re2 $2 {[%mdl 8192]} (74... Nxc6 $14 75. Rxc6 Rg4) 75. c7 $18 Rxe3 (75... Ra2+ $142 76. Kb5 Rb2+ 77. Ka4 Rc2) 76. Ng5 {[%csl Gc7][%cal Rd6d8]} Ra3+ 77. Kb5 {[%csl Gc7][%cal Rd6d8]} Ra8 78. Kc5 Nc8 79. Rd8+ Ke7 80. Rg8 $2 ({White should try} 80. Nf3 $18) 80... Kd7 $11 81. Rg7+ Ne7 82. Kd4 Rc8 83. Ke5 Rxc7 84. Kf6 Kd6 85. Nf7+ {The position is equal.} Kd5 86. Ng5 $1 Kd6 87. Nf7+ Kc5 88. Ng5 Nd5+ 89. Kxg6 {Strongly threatening Ne6+.} Rxg7+ 90. Kxg7 {KN-KN} Kd4 91. Kg6 Ke5 92. Kxh5 Kf6 93. Nf3 Nf4+ 94. Kh6 Ne6 95. Kh7 f4 96. Kh6 Kf5 97. Kh5 Ng7+ 98. Kh6 Ne6 99. Kh5 Ng7+ 100. Kh6 Ne6 {Black escapes into a draw. Av CentiPawn Loss W=-35/B=-34. Weighted=-36/-41} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Yu, Jennifer"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2311"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,20,39,27,42,20,24,16,18,14,25,27,20,14,10,0,-20,-20,-19,-2,-23,-2,0,-148,-110,-152,-118,-104,-106,-116,-104,-116,-116,-116,-100,-121,-125,-124,-123,-120,-120,-124,-121,-224,-200,-279,-293,-283,-245,-260,-265,-250,-179,-184,-178,-195,-204,-189,-167,-179,-181,-185,-181,-181,-149,-142,-82,-82,-75,-75,0,-59,-59,-59,-59,-387,0,0,0,0,8,8,8,8,8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. b3 Ne4 6. Qc2 {D30: Queen's Gambit Declined: Systems without Nc3.} f5 7. Bd3 Bb4+ 8. Nbd2 {White has an edge.} Nd7 9. a3 Bd6 10. Bb2 Qf6 11. b4 {[#]} g5 $146 ({Predecessor:} 11... O-O 12. Nb3 Qg6 13. O-O Qh5 14. Ne5 Rf6 15. Qe2 Qh4 16. g3 Qh3 17. f3 Nxg3 18. hxg3 Qxg3+ {½-½ (76) Nguyen,N (2632)-Sengupta,D (2586) Chengdu 2017}) 12. b5 g4 13. bxc6 bxc6 14. cxd5 cxd5 15. Bxe4 fxe4 16. Ne5 (16. Qc6 $11 Rb8 17. Qxd6) 16... O-O 17. O-O Nxe5 ({Much less strong is} 17... Bxe5 18. dxe5 Qf7 19. Qc6 $15) 18. dxe5 Bxe5 19. Bxe5 Qxe5 20. Qc6 Rb8 21. Rab1 Rxb1 22. Rxb1 Qf6 23. Rf1 Qb2 $36 {[%mdl 2048] White is under strong pressure.} 24. Nb1 Qb6 25. Qxb6 axb6 $17 {[%mdl 4096] Endgame KRB-KRN} 26. Nc3 (26. Rc1 $17 {keeps fighting.}) 26... Ba6 $19 27. Rb1 Rc8 28. Na2 Bd3 29. Rb2 Ra8 30. h3 gxh3 ({Don't play} 30... Rxa3 31. hxg4 Bc4 32. Nb4) 31. Rxb6 Rxa3 32. Nb4 Ra1+ 33. Kh2 hxg2 34. Kxg2 Rb1 35. Kg3 Kf7 36. Kf4 h5 37. Kg5 {intending Rb7+.} Rg1+ (37... Ke7 $142 $1 {[%cal Re7d7] Hoping for ...Kd7.} 38. Nc6+ Kd6 39. Rxb1 Bxb1) 38. Kxh5 $17 Rg2 39. Nc6 Rxf2 (39... Be2+ $17 40. Kh4 Kf6) 40. Nd8+ (40. Ne5+ $11 Ke7 41. Nc6+ Kd7 42. Ne5+ Ke7 43. Nc6+ Kd7 44. Ne5+ Ke7) 40... Ke7 $1 $15 {[%cal Re7d8]} 41. Nxe6 Rf6 42. Nf4 $2 {[%mdl 8192] [#]} ({White must play} 42. Nc7 $1 $15 Bc4 43. Rb7) 42... Rxb6 $2 ({Black should play} 42... Rxf4 $1 $19 {[%mdl 512]} 43. exf4 e3) 43. Nxd5+ $11 {The position is equal.} Kd6 44. Nxb6 {KB-KN} Kc5 45. Nd7+ Kc4 46. Nf6 $1 Kc5 47. Nxe4+ Bxe4 48. Kg5 Kd5 49. Kf4 Bb1 50. e4+ Bxe4 {Av CentiPawn Loss W=-19/B=-18. Weighted=-17/-15} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.2"]
[White "Samadashvili, Martha"]
[Black "Yip, Carissa"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2215"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,0,0,5,20,17,21,17,18,-65,-56,-68,-47,-55,-39,-74,0,-2,-6,-82,-63,-96,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-31,0,-3,15,-6,97,102,160,72,95,40,91,74,72,0,91,37,304,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O 8. O-O d5 9. exd5 cxd5 10. h3 {C47: Scotch Four Knights and Four Knights with 4 g3.} Bb7 11. Qf3 Rb8 12. Bg5 Be7 {[#] And now ...d4 would win.} 13. Bxf6 $146 ({Better is} 13. Rfe1 $11) ({Predecessor:} 13. Rfe1 d4 14. Ne4 Nxe4 15. Bxe7 Qxe7 16. Bxe4 Bxe4 17. Rxe4 Qc5 18. b3 Rfe8 19. Rae1 Rxe4 20. Qxe4 {½-½ (69) Areshchenko,A (2652)-Ponomariov,R (2692) Linares 2017}) 13... Bxf6 $15 14. Rad1 Ba8 15. Na4 Qd6 16. b3 Rb4 (16... Rfe8 $17) 17. c4 $11 g6 18. Qe3 (18. Bc2 $11) 18... Qc6 {[%cal Rd5c4]} 19. Rfe1 a5 (19... dxc4 $17 {[%csl Ga8][%cal Rc6g2]} 20. Be4 Qxe4 21. Qxe4 Bxe4 22. Rxe4 Rfb8) 20. cxd5 Qxd5 {[%csl Ga8][%cal Rd5g2]} 21. Bf1 Bd4 22. Qg3 c5 23. Nc3 {[%cal Ba4c3,Bc3e2,Be2f4][%mdl 32]} Qc6 24. Ne2 Bg7 25. Nf4 Re4 26. Rxe4 Qxe4 27. Nd3 Bd4 (27... c4 $5 {[%cal Rc4d3]} 28. Re1 Qd4 29. bxc4 Qxc4 $15) 28. Qf4 Qc6 29. Ne5 Bxe5 (29... Qd6 $11 30. Nd3 Qxf4 31. Nxf4 Rd8) 30. Qxe5 $16 a4 (30... Re8 $142 31. Qf4 Rc8) 31. Rc1 (31. Rd6 $142 Qb7 32. bxa4) 31... axb3 32. axb3 (32. Rxc5 $16 b2 33. Rxc6) 32... Qb7 ({Black should try} 32... Qd5 $14 33. Rxc5 Qxb3) 33. Rc3 Rd8 34. Qe2 (34. Qxc5 $16 Rd1 35. f3) 34... Rd5 {[#]} (34... Qb4 $11 {remains equal.} 35. Qe5 Rd1) 35. Re3 ({White should play} 35. b4 $1 $16 {[%mdl 512] Black must now prevent Qe8+.} Rg5 (35... Qxb4 36. Qe8+) 36. f3) 35... Rg5 $2 {[%mdl 8192]} (35... Rd8 $14) 36. Rg3 $2 (36. Re8+ $18 Kg7 37. f4) 36... Rxg3 $11 {The position is equal.} 37. Qe8+ Kg7 {[%cal Rg3g2]} 38. Qe5+ Kg8 {[%cal Rg3g2]} 39. Qe8+ Kg7 {[%cal Rg3g2]} 40. Qe5+ Kg8 {[%cal Rg3g2]} 41. Qe8+ {Av CentiPawn Loss W=-28/B=-29. Weighted=-44/-47} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.3"]
[White "Krush, Irina"]
[Black "Zatonskih, Anna"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2429"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,67,20,24,26,36,0,16,8,5,14,32,8,40,40,40,26,40,40,46,49,34,8,18,12,12,12,13,13,13,10,16,7,7,2,4,-5,0,-7,0,0,8,0,4,0,7,0,14,15,16,16,16,16]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 c5 8. dxc5 Bxc5 9. Nge2 $1 {9.Nge2 is better than 9.Nf3.} Nc6 10. O-O {D35: Queen's Gambit Declined: Exchange Variation.} d4 {[#]} 11. Ne4 $146 (11. Na4 {with more complications.} Bd6 12. Rc1 Bxf4 13. exf4 Re8 14. a3) ({Predecessor:} 11. exd4 Nxd4 12. Be5 Nc6 13. Bxf6 Qxf6 {½-½ (13) Kuzubov,Y (2647)-Berkes,F (2678) Valjevo 2018}) 11... Be7 12. Nxf6+ Bxf6 13. e4 Bd7 14. Bg3 Qb6 15. Nf4 Nb4 16. Bc4 Bg5 17. a3 Bxf4 18. Bxf4 Be6 19. Be2 d3 {The position is equal.} 20. Bxd3 Nxd3 21. Qxd3 Qxb2 22. Rab1 Qf6 23. Qg3 b6 24. Be5 (24. h4 {feels hotter.} Rac8 25. f3 Rfe8 26. Rfd1 Red8 27. Be5) 24... Qg6 25. Qxg6 hxg6 26. Rfd1 Rfc8 27. Rbc1 Rxc1 (27... Bb3 {seems wilder.} 28. Rxc8+ Rxc8 29. Rb1 g5 30. f3 Be6) 28. Rxc1 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 29. f3 f6 30. Bc3 Kf7 31. h4 Rd7 32. Kf2 Rc7 33. Bd2 Rxc1 34. Bxc1 {Av CentiPawn Loss W=-6/B=-6. Weighted=-6/-7} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.4"]
[White "Wang, Annie"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "A70"]
[WhiteElo "2384"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,104,58,68,56,64,141,131,166,172,195,147,163,161,248,231,254,207,319,315,361,295,291,234,263,285,254,255,263,232,226,104,112,64,133,58,111,92,78,19,153,125,381,381,559,541,555,537,643,635,613,605,560,443,764,774,777,507,2427,2404,6742,6291,6179,6195,5297,864,838,841,826,826,773,756,864,864,941,927,906,897,4794,29971,29985,29986,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. h3 Bg7 8. e4 O-O 9. Bd3 a6 10. a4 Nbd7 11. O-O Ne8 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 12. Bg5 {[#]} Qc7 $146 (12... Bf6 $14) ({Predecessor:} 12... Bf6 13. Bf4 Qe7 14. Qd2 Rb8 15. Rfe1 Ne5 16. Nxe5 Bxe5 17. Bxe5 dxe5 18. a5 Bd7 19. Rac1 {½-½ (46) Gorovets,A (2505)-Bregadze,L (2483) Saint Louis 2015}) 13. Be7 $16 b6 {White is clearly better.} 14. Bxf8 Nxf8 15. Qd2 Ra7 16. Rfe1 f6 (16... Nd7 $142 17. Qe3 Ne5) 17. Rac1 Qf7 18. Ne2 g5 (18... Nc7 $142 19. b4 Nd7) 19. b4 $18 Ng6 20. bxc5 bxc5 21. e5 {[%mdl 64] Deflection} dxe5 22. Rxc5 Nd6 23. Qc2 Bd7 24. Ng3 Bf8 25. Rc3 (25. Ra5 $18) 25... Nf4 $16 26. Be4 Nxe4 (26... h5 $14) 27. Qxe4 ({White should try} 27. Nxe4 $16 {d6 is the strong threat.} Nxd5 28. Rc5 $1 {[%mdl 512]}) 27... Nxd5 (27... Qxd5 $14 28. Nh5 Qxe4 29. Nxf6+ {[%mdl 64] Double Attack} Kg7 30. Nxe4 (30. Rxe4 Kxf6 31. Nxe5 Bf5 $15) 30... Bb4) 28. Rcc1 a5 29. Nf5 (29. Red1 $16 Be6 30. Qd3) 29... Be6 (29... Nf4 $11) 30. N3d4 {[%mdl 64] Pin} Nf4 $2 {[%mdl 8192] This move loses the game for Black.} (30... exd4 $16 31. Qxe6 Qxe6 32. Rxe6 d3) 31. Nxe6 $18 Nxe6 (31... Qxe6 {was necessary.} 32. Rc6 Qd5 33. Rxf6 Rd7) 32. Rc8 {Black must now prevent Nh6+.} Qd7 33. Qc4 Kf7 34. Rc1 Rb7 35. Qg4 Nf4 36. Qf3 e4 (36... h5 $142 37. Qe4 Rb4) 37. Qxe4 Rb4 38. R8c4 Ne2+ (38... Rxc4 $142 39. Rxc4 Bb4) 39. Qxe2 {White threatens Rc7! and mate.} Qxf5 40. Rc7+ Kg8 41. Qa2+ Kh8 {[#]} 42. Qf7 (42. Rc8 $142 $1 Kg7 43. R1c7+ Be7 44. Rxe7+ Kh6 45. Rcc7 Qb1+ 46. Qxb1 Rxb1+ 47. Kh2) 42... Rb8 43. g4 Qg6 44. Qxg6 hxg6 {[%mdl 4096] Endgame KRR-KRB} 45. R1c6 Bg7 46. Ra6 f5 47. Rxg6 Be5 48. Re7 Bf4 49. gxf5 Rf8 {White mates.} 50. f6 Rd8 51. Rh6+ Kg8 52. Rg7+ Kf8 53. Rh8# {Av CentiPawn Loss W=605/B=-87. Weighted=167/-129} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.5"]
[White "Derakhshani, Dorsa"]
[Black "Nguyen, Emily"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2270"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,48,0,13,23,27,0,0,-47,-43,-58,-56,-63,-12,-42,0,-25,-29,-23,-37,-60,-54,-58,-45,-56,-46,-58,-56,-50,-44,-42,-47,-37,-35,-450,-443]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 a6 7. Be2 Nbd7 8. O-O {8.0-0 has lost popularity.} b5 9. b4 {B84: Sicilian Scheveningen: 6 Be2 a6, lines without early Be3.} Qc7 {[#]} 10. Qe1 $146 ({Predecessor:} 10. Qd3 Bb7 11. a4 Ne5 12. Qd2 Rc8 13. Ra3 bxa4 14. b5 d5 15. Rxa4 Qxc3 16. Qxc3 Rxc3 17. bxa6 {0-1 (51) Le,V-Le,M Ho Chi Minh City 2005}) 10... Bb7 11. Bd3 {The position is equal.} Be7 12. a4 bxa4 $1 13. Rxa4 Nb6 (13... O-O $15) 14. Ra2 d5 (14... Nc4 {feels hotter.} 15. b5 Nxe3 16. fxe3 a5 17. Ra4 Nd7) 15. b5 {[%cal Rb5a6]} (15. exd5 {with more complications.} Nbxd5 16. Nxd5 Nxd5 17. b5 a5 18. Ra4) 15... dxe4 16. bxa6 {[#] Hoping for Ndb5.} exd3 17. axb7 Rxa2 $40 {[%mdl 128] Black attacks.} 18. Nxa2 Qxb7 19. cxd3 Nbd5 20. Qb1 Qxb1 21. Rxb1 O-O 22. h3 Rc8 23. Rc1 Ra8 24. Nc6 $2 {[%mdl 8192] [#]} (24. Rc2 $15) 24... Rxa2 {Av CentiPawn Loss W=-39/B=-7. Weighted=-73/-7} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "2.6"]
[White "Abrahamyan, Tatev"]
[Black "Foisor, Sabina-Francesca"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2358"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,63,62,61,74,72,101,98,108,95,115,99,99,103,109,109,150,150,179,116,243,248,237,237,235,230,235,250,332,284,288,280,543,510,654,650,639,631,771,749,754,762,1439,1433,1255,1237]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. Nc3 Nxc3 7. bxc3 Nd7 8. Nxd7 Bxd7 9. O-O O-O 10. Qh5 g6 11. Qxd5 Bc6 {C43: Petroff Defence: 3 d4.} 12. Qg5 {[#]} f6 $146 ({Predecessor:} 12... Be7 13. Qg3 Bf6 14. Bf4 Rc8 15. Rae1 Qd5 16. a3 Qa5 17. Bd2 Qxa3 18. Ra1 Qe7 19. Rfe1 {1-0 (45) Antipov,M (2584)-Borisova,E (2283) chess.com INT 2020}) 13. Qh4 Re8 {White is better.} 14. Bf4 Ba3 15. Rae1 Qd5 {[%csl Gc6][%cal Rd5g2] [#]} 16. f3 Qf7 17. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Bb4 18. Rb1 Ba5 19. Qg3 ({White should try} 19. d5 $18 Bd7 20. Kh1 (20. Rxb7 Bb6+ 21. c5 Bxc5+ 22. Kh1 Bb6 $16)) 19... Bb6 {Black cannot hold the game after this.} (19... b5 $16) 20. c5 $18 Ba5 21. c4 Rab8 22. Kh1 Kh8 23. h4 Rg8 24. Rf2 Rbd8 25. d5 g5 $2 {[#]} (25... b5 {was worth a try.} 26. Bf1 (26. dxc6 Rxd3 27. cxb5 Re8 $18) (26. cxb5 Bxd5 27. Bd2 Bxd2 $16) 26... Ba8) 26. hxg5 {White is clearly winning.} ({Weaker is} 26. dxc6 gxf4 27. Qxf4 Rxd3 $11) 26... Qh5+ 27. Qh2 Qxh2+ 28. Kxh2 Kg7 29. gxf6+ Kxf6 30. Re2 b6 31. Re6+ Kf7 32. Rxc6 {Av CentiPawn Loss W=-10/B=-66. Weighted=-9/-116} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.1"]
[White "Foisor, Sabina-Francesca"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2228"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,167,21,25,68,30,75,66,68,32,32,40,54,47,47,39,46,38,34,32,71,66,66,57,68,57,85,66,102,96,123,89,80,76,160,37,50,40,50,23,22,32,31,0,52,6,0,-28,0,0,0,6,46,-14,29,29,26,14,14,0,0,0,0,0,59,65,59,59,64,67,76,71,250,83,64,81,261,245,252,252,256,248,232,197,191,35,219,37,138,138,138,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,0,3,0,3,0,3,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bh4 d5 5. e3 Bg7 6. Nbd2 Nf6 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5.} 7. Bd3 {[#]} b6 $146 ({Predecessor:} 7... O-O 8. c3 Nbd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Nf6 12. Bxf6 Bxf6 13. Qd2 Bg7 14. h4 {1-0 (45) Norooz,M (1605)-Palczert,B (1519) Budapest 2015}) 8. O-O O-O {White is slightly better.} 9. e4 dxe4 10. Nxe4 Nbd7 11. Re1 Bb7 12. Qe2 Nd5 13. Qd2 N5f6 14. Rad1 Nxe4 15. Bxe4 Bxe4 16. Rxe4 Nf6 17. Ree1 Re8 18. Ne5 c5 19. d5 $1 Qc7 20. c4 Nh5 21. Nc6 {[%cal Rc6e7]} e6 (21... Nf6 $142) 22. g4 (22. Ne7+ $1 $16 Kh8 23. d6 (23. dxe6 fxe6 24. Rxe6 Qf4 $16)) 22... Nf6 $14 23. Bg3 Qb7 24. f3 Rac8 25. b3 h6 26. h3 Kh7 (26... b5 $11) 27. Kg2 b5 28. Bf2 exd5 29. Rxe8 Rxe8 30. cxd5 Rc8 31. Ne5 ({White should play} 31. Rc1 $14) 31... Rd8 {[%cal Rd8d5]} (31... c4 $5 {[%cal Rc4c3]} 32. d6 c3 $17) 32. d6 $36 {[%mdl 2048] Black is under pressure.} ({But not} 32. Bxc5 Nxd5 33. Re1 Qc7 $17) 32... Ne8 33. d7 Bxe5 34. dxe8=Q Rxe8 35. Bxc5 Qc7 36. b4 Bf4 (36... Bc3 $11 37. Qd3 (37. Qxc3 $2 Re2+ {[%mdl 64] Double Attack} 38. Bf2 Qxc3 $19) 37... Be1) 37. Qd7 $1 {[%cal Rd7e8]} Re2+ 38. Kf1 Rxa2 39. Qxc7 Bxc7 {[%mdl 4096] Endgame KRB-KRB} 40. Rd7 {[%mdl 64] Double Attack} Bb6 $2 (40... Be5 $16) 41. Rxf7+ $2 (41. Bxb6 $1 $18 {and the rest is easy.} axb6 42. Rxf7+ Kh8 43. Rf6) 41... Kg8 $16 42. Rb7 Rb2 $2 (42... Bxc5 $16 {was necessary.} 43. bxc5 Kf8) 43. Bxb6 $18 axb6 44. Rxb6 {[%mdl 64] Double Attack} Rxb4 45. Rxg6+ {[%mdl 64] Double Attack. KR-KR} Kh7 46. Rb6 Rb2 47. f4 $2 (47. Rb7+ $18 Kg6 48. h4) 47... b4 $2 {[#]} (47... Rb4 $1 $14) 48. f5 $2 (48. Kg1 $1 $18) 48... b3 (48... Rh2 $14) 49. Rb7+ $16 Kg8 {[#]} 50. h4 (50. Kg1 $1 $16) 50... Rh2 $1 $11 {And now ...b2 would win.The position is equal.} 51. Rxb3 {h5 is the strong threat.} Rxh4 52. Rg3 Kf7 53. Kg2 Kf6 54. Kf3 Rh1 55. Rg2 Rf1+ 56. Kg3 h5 57. gxh5 Kxf5 58. Rh2 Ra1 59. h6 Ra8 60. h7 {Hoping for Rh5+.} Rh8 61. Kf3 Kg6 62. Kf4 Rxh7 63. Rg2+ Kf6 64. Ra2 Rh4+ 65. Kf3 Rb4 66. Ra6+ Kf5 67. Ra5+ Kf6 68. Ke3 Ke6 69. Kd3 Rh4 70. Kc3 Kd6 71. Ra6+ Kc5 72. Ra5+ Kb6 73. Rg5 Kc6 74. Kd3 Kd6 75. Ke3 Ke6 76. Kf3 Ra4 77. Rb5 Kf6 78. Ke3 Ke6 79. Kd3 Kd6 80. Rg5 Rh4 81. Ke3 Ke6 82. Kf3 Ra4 83. Rg4 Rxg4 84. Kxg4 {Black escapes into a draw. Av CentiPawn Loss W=-15/B=-15. Weighted=-16/-19} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.2"]
[White "Nguyen, Emily"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2280"]
[BlackElo "2358"]
[Annotator "RC"]
[PlyCount "131"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "1500+5"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 3. c4 {[%emt 0:00:01]} d5 {[%emt 0:00:01]} 4. Nc3 {[%emt 0:00:03]} dxc4 {[%emt 0:00:02]} 5. e4 {[%emt 0:00:07]} b5 {[%emt 0:00:05]} 6. e5 {[%emt 0:00:06]} Nd5 {[%emt 0:00:06]} 7. Nxb5 {[%emt 0:00:07]} Nb6 {[%emt 0:00:02]} 8. Be2 {[%emt 0:00:52]} Bb7 {[%emt 0:00:41]} 9. Be3 {[%emt 0:00:45]} Qd7 {[%emt 0:02:15]} 10. Nc3 {[%emt 0:00:18]} Be7 {[%emt 0:00:19]} 11. O-O {[%emt 0:00:10]} Nc6 {[%emt 0:00:12]} 12. a3 {[%emt 0:01:02]} Na5 {[%emt 0:01:03]} 13. Qc2 {[%emt 0:01:19]} O-O-O {[%emt 0:00:38]} 14. Rad1 {[%emt 0:02:14]} Kb8 {[%emt 0:04:27]} 15. Nd2 {[%emt 0:01:22]} f5 {[%emt 0:00:46]} 16. exf6 {[%emt 0:02:21]} gxf6 {[%emt 0:00:06]} 17. Nce4 {[%emt 0:00:11]} Rhg8 {[%emt 0:00:41]} 18. Bf3 {[%emt 0:00:32]} Bd5 {[%emt 0:02:54]} 19. Nc3 {[%emt 0:02:16]} Bxf3 {[%emt 0:01:36]} 20. Nxf3 {[%emt 0:00:00]} Nd5 {[%emt 0:01:04]} 21. Nxd5 {[%emt 0:01:53]} Qxd5 {[%emt 0:00:05]} 22. Qe2 {[%emt 0:00:05]} Bd6 {[%emt 0:00:59]} 23. g3 {[%emt 0:00:56]} h5 {[%emt 0:00:58]} 24. Nh4 {[%emt 0:00:21]} Rg4 {[%emt 0:00:15]} 25. Qf3 {[%emt 0:02:07]} Rdg8 {[%emt 0:00:14]} 26. Qxd5 {[%emt 0:01:19]} exd5 {[%emt 0:00:00]} 27. Nf5 {[%emt 0:00:03]} Re4 {[%emt 0:00:17]} 28. Rfe1 {[%emt 0:01:03]} Kc8 {[%emt 0:01:52]} 29. Bd2 {[%emt 0:00:40]} Rxe1+ {[%emt 0:01:21]} 30. Rxe1 {[%emt 0:00:00]} Nb3 {[%emt 0:00:05]} 31. Bc3 {[%emt 0:00:48]} Kd7 {[%emt 0:00:13]} 32. h4 {[%emt 0:00:03]} Bf8 {[%emt 0:00:36]} 33. Kg2 {[%emt 0:00:19]} a5 {[%emt 0:01:16]} 34. Kf3 {[%emt 0:00:30]} Rg4 {[%emt 0:00:36]} 35. Ne3 {[%emt 0:01:48]} Re4 {[%emt 0:00:59]} 36. Nxd5 {[%emt 0:00:06]} Rxe1 {[%emt 0:00:01]} 37. Bxe1 {[%emt 0:00:01]} Nxd4+ {[%emt 0:00:20]} 38. Ke4 {[%emt 0:00:06]} Nb5 {[%emt 0:00:25]} 39. Nxf6+ {[%emt 0:00:39]} Ke6 {[%emt 0:00:02]} 40. Nxh5 {[%emt 0:00:01]} c3 {[%emt 0:00:02]} 41. Nf4+ {[%emt 0:00:10]} Kf7 {[%emt 0:00:04]} 42. Bxc3 {[%emt 0:00:13]} Nxc3+ {[%emt 0:00:01]} 43. bxc3 {[%emt 0:00:01]} Bxa3 {[%emt 0:00:02]} 44. g4 {[%emt 0:00:37]} Bb2 {[%emt 0:00:04]} 45. Kd3 {[%emt 0:00:02]} Bc1 {[%emt 0:00:20]} 46. Nd5 {[%emt 0:00:12]} c6 {[%emt 0:00:02]} 47. Ne3 {[%emt 0:00:00]} a4 {[%emt 0:00:11]} 48. Kc2 {[%emt 0:00:17]} Ba3 {[%emt 0:00:03]} 49. f4 {[%emt 0:00:11]} Bd6 {[%emt 0:00:06]} 50. f5 {[%emt 0:00:09]} Bg3 {[%emt 0:00:02]} 51. Ng2 {[%emt 0:00:02]} Kf6 {[%emt 0:00:04]} 52. Kb2 {[%emt 0:00:07]} Be5 {[%emt 0:00:03]} 53. Ka3 {[%emt 0:00:05]} Bxc3 {[%emt 0:00:02]} 54. Kxa4 {[%emt 0:00:01]} Bd4 {[%emt 0:00:08]} 55. Kb3 {[%emt 0:00:02]} Ke5 {[%emt 0:00:04]} 56. Kc4 {[%emt 0:00:02]} c5 {[%emt 0:00:02]} 57. h5 {[%emt 0:00:14]} Kf6 {[%emt 0:00:03]} 58. Nf4 {[%emt 0:00:10]} Bf2 {[%emt 0:00:18]} 59. Ne6 {[%emt 0:00:05]} Be3 {[%emt 0:00:02]} 60. Kd5 {[%emt 0:00:15]} Bf2 {[%emt 0:00:13]} 61. Ke4 {[%emt 0:00:02]} c4 {[%emt 0:00:03]} 62. g5+ {[%emt 0:00:01]} Kf7 {[%emt 0:00:01]} 63. h6 {[%emt 0:00:11]} c3 {[%emt 0:00:10]} 64. Kd3 {[%emt 0:00:03]} c2 {[%emt 0:00:19]} 65. Kxc2 {[%emt 0:00:02]} Be3 {[%emt 0:00:00]} 66. h7 {[%emt 0:00:10]} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.3"]
[White "Eswaran, Ashritha"]
[Black "Derakhshani, Dorsa"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2244"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "196"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,196,10,16,27,0,0,-11,0,0,0,0,0,0,0,0,0,0,255,0,425,433,545,548,554,542,806,784,777,693,737,18,87,0,22,0,0,0,0,0,0,0,0,-22,0,0,0,0,0,-36,0,0,128,134,153,56,58,54,83,21,21,21,20,27,45,0,0,0,0,0,0,-11,-20,-20,-18,-18,0,0,0,0,0,-45,0,-682,0,0,0,-576,0,-36,0,-46,-46,-46,-46,-46,-46,-46,-31,-46,-46,-46,-46,-46,0,0,0,-62,-61,-5072,-183,-592,-592,-5057,-5057,-4571,-2711,-1942,0,-46,0,0,0,0,8,8,8,8,8,8,8,0,0,0,8,8,40,40,40,40,40,0,0,0,8,8,8,8,8,8,40,40,40,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. c3 Ba7 7. Bb3 d6 8. Nbd2 O-O 9. h3 h6 10. Re1 Re8 $1 {[%mdl 4] is recently more successful than 10...Nh5.} 11. Nf1 Be6 12. Ng3 d5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 13. Qe2 Qd7 14. Nh4 Bxh3 15. gxh3 Qxh3 {[#]} 16. Nhf5 $146 ({Predecessor:} 16. Ngf5 Ng4 17. Qf3 Bxf2+ 18. Qxf2 Nxf2 19. Kxf2 Qxd3 20. Re3 Qb5 21. Bxd5 Ne7 22. c4 {0-1 (35) Bartakke,A (1219)-Ananya,R (1467) Mumbai 2016}) 16... Ng4 17. Qf3 Bxf2+ {[#]} 18. Qxf2 $1 {[%mdl 512]} Nxf2 19. Kxf2 dxe4 $2 {[%mdl 8192]} (19... Qh2+ $11 20. Kf3 dxe4+ 21. dxe4 Rad8) 20. dxe4 $2 ({White must play} 20. Rh1 $18 Qg4 21. dxe4) 20... Ne7 $2 {[%mdl 8192]} (20... Qh2+ $11 21. Kf3 Rad8) 21. Rh1 $18 Qg4 {[#]} 22. Bxh6 $1 {[%mdl 512]} Nxf5 (22... gxh6 23. Nxh6+) 23. Nxf5 Qxe4 24. Nxg7 Red8 25. Rag1 {Ne8+ would kill now.} Kf8 {White should prevent ...Rd3.} 26. Nf5+ $2 (26. Ne6+ $18 {has better winning chances.} Ke8 27. Rg8+ Ke7 28. Bg5+ {[%mdl 64] Skewer} Kd6 29. Rd1+ (29. Bxd8 Qxh1 30. Bxc7+ Kc6 $11) 29... Kc6 30. Nxd8+ {[%mdl 64] Discovered Attack} Kb6 31. Rg7) 26... Ke8 $16 27. Rg8+ (27. Ng3 $1 $16 {[%cal Rg3e4]} Qg6 28. Be3) 27... Kd7 $11 28. Rd1+ Kc6 29. Ne7+ (29. Rdxd8 $2 Qxf5+ 30. Ke1 Rxd8 $19) 29... Kb5 $1 30. a4+ Ka5 $1 31. Rgxd8 Qh4+ 32. Ke2 Qh2+ 33. Kf3 Qh5+ 34. Ke4 Qh4+ 35. Kf5 Rxd8 36. Rxd8 Qxe7 (36... Qxh6 $11 37. Rd5+ Kb6 38. a5+ Ka7 39. Rxe5 Qh3+ 40. Kf6 Qh8+ 41. Kf5 Qh3+ 42. Kf6 Qh8+ 43. Kf5 Qh3+) 37. Bg5 $16 f6 38. Rd5+ (38. Bxf6 $16 Qh7+ 39. Ke6 (39. Kxe5 Qh2+ 40. Kf5 Qxb2 $16)) 38... b5 $1 $14 39. Bxf6 {[%mdl 64] Double Attack} Qh7+ 40. Kxe5 (40. Ke6 $16 Kb6 41. axb5 (41. Bxe5 Qh3+ 42. Kf7 Qh5+ 43. Ke7 Qh7+ 44. Kf8 Qf5+ 45. Ke8 Qg6+ 46. Kd8 Qg8+ 47. Kd7 Qf7+ 48. Kd8 Qg8+ 49. Ke7 Qh7+ 50. Kf8 Qf5+ 51. Kg7 Qg4+ 52. Kh6 Qh4+ 53. Kg7 Qg4+ 54. Kh8 Qh5+ 55. Kg8 Qg6+ 56. Bg7 bxa4 $11) (41. Kxe5 Qh2+ 42. Ke6 Qe2+ 43. Be5 Qxb2 $16)) 40... Qh2+ $11 41. Ke6 Qxb2 42. Bd1 Qa2 43. axb5 (43. Be5 $5 {[%cal Re5c7]} Qc4 44. Bc2 $16) 43... axb5 44. Bd8 Kb6 45. Bf3 Qb3 46. Be2 Kb7 47. Ke5 Qxc3+ 48. Ke4 Qc2+ 49. Bd3 Qg2+ 50. Kd4 Qf2+ 51. Kc3 c6 {[%mdl 1024] Black has compensation.} 52. Re5 $2 {[%mdl 8192] [#]} (52. Rf5 $11 Qe1+ 53. Kc2) 52... Qf8 $2 (52... b4+ $1 $19 {[%mdl 512]} 53. Kc4 (53. Kxb4 Qb2+) 53... Qb2 54. Re7+ Kc8 55. Bf5+ Kxd8 56. Rd7+ Ke8) 53. Be7 Qg7 54. Bd6 $2 {[%mdl 8192]} (54. Kd4 $11 {and White has nothing to worry.}) 54... Kb6 $2 (54... Qf6 $19 55. Be4 b4+ $1 {[%mdl 512]} 56. Kc4 Qxd6 57. Rb5+ Ka6 58. Rxb4 c5 59. Ra4+ Kb6) 55. Kb4 Qg4+ 56. Re4 (56. Kc3 {feels hotter.} Qg7) 56... Qg1 {Threatens to win with ...Qc1.} 57. Bf4 c5+ 58. Kc3 Qa1+ 59. Kd2 Qb2+ 60. Bc2 b4 {Hoping for ...b3.} 61. Be5 Qa2 {White must now prevent ...b3.} 62. Kc1 c4 63. Bd4+ Kc6 64. Bb1 (64. Re5 $11) 64... Qg2 $15 {Strongly threatening ...Kd5.} 65. Be3 $2 {[%mdl 8192]} (65. Bc2 $15) 65... Kb5 $2 (65... Qf1+ 66. Kc2 Qe2+ 67. Kc1 c3 68. Rxb4 Qxe3+ 69. Kc2 Kc5 70. Rg4 Qd2+ 71. Kb3 Qb2+ {[%mdl 64] Double Attack} 72. Ka4 Qxb1 73. Rg5+ Kb6 74. Rh5 Qd1+ 75. Kb4 Qxh5 76. Kxc3 Qd5 77. Kb2 Qd2+ 78. Ka1 Kb5 79. Kb1 Ka4 80. Ka1 Kb3 81. Kb1 Qe1#) 66. Bc2 $2 (66. Bd2) 66... b3 $19 {[%csl Gb3][%cal Rg2c2]} 67. Re5+ {[#]} Ka4 $1 {[%csl Gb3][%cal Rg2c2]} 68. Be4 Qf1+ 69. Kd2 {[#]} b2 $2 ({Black should play} 69... c3+ $1 $19 {[%mdl 512]} 70. Kxc3 Qa1+ 71. Kd3 Qxe5) 70. Bc2+ Kb4 {[%csl Gb4][%cal Rc4c3]} 71. Bc5+ Kb5 {...Qf4+ is the strong threat.} 72. Bd4+ Kc6 $132 {[%mdl 2048] ( -> ...Qc1+). Black is not keeping still} 73. Bxb2 {aiming for Bd4.} Kd6 74. Re2 Kd5 75. Be4+ Kc5 76. Ba3+ Kb5 77. Bb2 Kb4 78. Bc3+ Kb3 79. Bc2+ Ka3 80. Bd1 Qf4+ 81. Kc2 (81. Re3 $5 {[%cal Rc3e5]} Qf2+ 82. Be2 $16) 81... Qf5+ 82. Kc1 {And now Rb2 would win.} Qf4+ 83. Bd2 Qd4 {[%csl Ga3][%cal Rd4b2]} 84. Re3+ Ka2 {[%csl Ga2][%cal Rd4b2]} 85. Rc3 Qb6 {[%csl Ga2][%cal Rb6b2]} 86. Rc2+ Ka3 87. Bc3 Qe3+ {The position is equal.} 88. Kb1 {[%csl Gb1][%cal Rc2a2]} Qd3 89. Kc1 Qe3+ 90. Bd2 (90. Kb1 $5 {[%cal Rc2a2]} Qd3 91. Be2 $11) 90... Qd4 {[%cal Rd4a1]} 91. Rc3+ Ka2 92. Be2 Qg1+ 93. Bd1 Qd4 94. Rc2+ Ka3 {[%cal Rd4a1]} 95. Kb1 {[%csl Gb1][%cal Rc2a2]} Qb6+ 96. Ka1 {[%csl Ga1][%cal Rc2a2]} Qd4+ 97. Kb1 {[%csl Gb1][%cal Rc2a2]} Qb6+ 98. Kc1 Qd4 {Both players deserved the win here. Av CentiPawn Loss W=-48/B=-69. Weighted=-57/-122} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.4"]
[White "Zatonskih, Anna"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2420"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,134,43,11,46,33,72,68,58,63,57,42,38,52,50,29,22,18,35,8,21,20,22,0,0,-58,-54,-72,-21,-118,-116,-358,-352,-345,-346,-323,-314,-372,-362,-397,-391,-506,-462,-460,-304,-300,-289,-295,-278,-266,-245,-322,-302,-4914,-829,-29983,-1481,-1360,-928,-29987,-814,-782,-154,-154,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qb3 Bxc3+ 8. bxc3 c6 9. e3 O-O 10. Bd3 Nd7 11. O-O dxc4 12. Bxc4 e5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 13. a4 exd4 14. cxd4 Nb6 {[#] White is slightly better.} 15. Bd3 $146 ({Predecessor:} 15. Be2 Be6 16. Qb4 Bc8 17. Ne5 Nd5 18. Qc5 Re8 19. Bf3 Be6 20. Rab1 Qe7 21. Rfc1 Qxc5 22. Rxc5 {½-½ (45) Mohandesi,S (2305)-Tolk,P (2290) Antwerp 1998}) 15... Be6 16. Qc2 Nd5 17. a5 Nb4 18. Qd2 Nxd3 19. Qxd3 Rfe8 20. Rfc1 Rad8 21. Qc2 a6 22. Ne5 Rd5 23. Qc3 ({Better is} 23. Qa4 $11) 23... c5 $1 $15 24. Nf3 Bf5 (24... Bh3 $17 25. Qb3 Qg6) 25. Qe1 (25. Qb2 $11) 25... cxd4 $17 26. Qf1 $2 (26. Qd2 $17 {keeps fighting.}) 26... dxe3 $19 27. fxe3 Rxe3 28. Qf2 Rc3 29. Re1 Rc2 30. Qg3 {[#]} Be4 $1 {[%mdl 512]} 31. Rf1 (31. Rxe4 Qxa1+) 31... Bxf3 32. Qxf3 Qxf3 33. Rxf3 {[%mdl 4096] Endgame KRR-KRR} Rdd2 34. Rg3 Rb2 35. h3 f5 36. Rc1 g5 {And now ...f4 would win.} 37. Rc7 $2 (37. h4) 37... f4 (37... Rb1+ $142 38. Kh2 f4) 38. Rgc3 Rxg2+ (38... Rd1+ $142 39. Kh2 Rbb1 40. Rc8+ Kf7 41. R3c7+ Ke6 42. Re8+ Kd6 43. Rd8+ Kxc7 44. Rxd1 Rxd1 45. g4 Rd2+ 46. Kg1 b5 47. axb6+ Kxb6 48. h4 gxh4 49. g5 hxg5 50. Kh1 f3 51. Kg1 h3 52. Kh1 f2 53. Kh2 f1=Q+ 54. Kg3 Qg2#) 39. Kf1 Rgf2+ 40. Ke1 Rfe2+ (40... Rh2 $142 41. Rc8+ Kg7 42. Rc2 Rbxc2 43. Rxc2 Rxc2 44. Kd1 Ra2 45. Ke1 f3 46. Kf1 h5 47. Kg1 g4 48. hxg4 hxg4 49. Kf1 g3 50. Ke1 g2 51. Kd1 g1=Q#) 41. Kf1 Re8 $2 (41... Red2 $19 {[%cal Rd2d1] has better winning chances.} 42. Re7 Rd1+ 43. Re1 Rxe1+ 44. Kxe1 Kf7) 42. Rd7 $17 {intending Rcc7.} f3 $2 (42... Rb1+ $17 43. Kf2 Rbe1) 43. Rcc7 $1 $11 {The position is equal.} Rb1+ 44. Kf2 Rb2+ 45. Kf1 Rb1+ 46. Kf2 Re2+ 47. Kxf3 {Intending Rd8+ and mate.} Rbe1 48. Rg7+ Kf8 {aiming for ...Re7.} 49. Rcf7+ Ke8 {...Rf1+ is the strong threat.} 50. Rxb7 {[%cal Rg7g8]} Re7 51. Rgxe7+ Rxe7 {KR-KR} 52. Rb6 {[%mdl 64] [#] Double Attack} Rf7+ 53. Kg3 Rf5 54. Rxa6 h5 55. Ra7 Kd8 56. Rh7 Rxa5 57. Rxh5 Ke7 58. Kg4 Ra4+ 59. Kxg5 Ra5+ 60. Kg4 Rxh5 61. Kxh5 {KP-K} Kf7 62. Kh6 Kg8 63. h4 Kh8 64. h5 Kg8 65. Kg6 Kh8 66. h6 Kg8 67. h7+ Kh8 68. Kh6 {White happily takes the draw. Av CentiPawn Loss W=530/B=-82. Weighted=380/-59} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.5"]
[White "Yip, Carissa"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2421"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,66,33,38,84,60,43,56,82,81,108,82,88,82,82,82,82,82,82,80,80,75,70,82,256,16,16,-57,64,-202,-206,-258,-241,-251,-143,-156,-88,-112,-27,-32,0,0,0,0,0,0,0,0,0,0,0,0,4,0,0,0,8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g4 h6 7. Rg1 g5 {B81: Sicilian Scheveningen: Keres Attack.} 8. Be3 a6 9. h4 {[#]} Rg8 $146 {White is slightly better.} ({Predecessor:} 9... Nfd7 10. Qd2 Be7 11. Rh1 Rg8 12. hxg5 hxg5 13. Be2 Ne5 14. O-O-O b5 15. a3 Nbd7 {0-1 (72) Kultiyasov,M (2273)-Jakubowski,K (2531) Bialystok 2016}) 10. Qd2 {[%cal Rh4g5]} Nfd7 11. hxg5 hxg5 12. O-O-O $36 {[%mdl 2048] White has strong initiative.} b5 13. Nf3 {[%cal Rf3g5]} Be7 14. e5 dxe5 15. Ne4 {[%cal Rf3g5]} Bb7 16. Nfxg5 {Strongly threatening Bg2.} Bd5 17. Bg2 Nc6 $2 {[#]} (17... Nb6 $16 {was called for.}) 18. f4 $2 (18. Nd6+ $1 $18 {[%mdl 512]} Bxd6 19. Bxd5 exd5 20. Nxf7 $1 {[%mdl 512]} (20. Qxd5 Rxg5 21. Qxc6 Rc8 $18)) 18... Rc8 $1 $11 19. a3 (19. Nxf7 $11 Kxf7 20. Nd6+ $1 {[%mdl 512]} Bxd6 21. Bxd5) 19... b4 (19... Qc7 $1 $15 20. Kb1 Na5) 20. a4 $2 {[%mdl 8192]} (20. Nd6+ $1 $14 {is the one way to stay ahead.} Bxd6 21. Bxd5 bxa3 22. Bxe6 axb2+ 23. Kxb2 Ba3+ {[%mdl 64] Decoy} 24. Kxa3 Qe7+ 25. Qd6 (25. Bc5 Nxc5 26. Bxf7+ Kf8 $15) 25... fxe6 26. Ne4 (26. Nxe6 Qxd6+ 27. Rxd6 Ke7 $11)) 20... b3 $19 {And now ...bxc2 would win.} 21. Nc3 Bxg2 22. Qxg2 {[#]} exf4 ({Stronger than} 22... Bxg5 23. fxg5 Nb4 24. cxb3 $11) (22... Nb4 $1 $19 {[%cal Rb4a2]} 23. cxb3 Na2+ 24. Kc2 exf4 25. Nxf7 Qc7) 23. Nxf7 $17 Kxf7 24. Bxf4 bxc2 ({Black should play} 24... Nb4 $17 25. cxb3 Ke8) 25. Qxc2 $11 Nb4 {[%cal Bc6b4,Bb4a2,Ba2c3][%mdl 32]} 26. Qh7+ {The position is equal.} Rg7 27. Qh5+ Kg8 $1 ({Reject} 27... Kf8 $6 28. Be5 $16) 28. Rh1 Na2+ 29. Kc2 {Be5 is the strong threat.} Nxc3 30. Qh8+ Kf7 31. Qh5+ Kg8 32. Qh8+ Kf7 33. Qh5+ Kg8 {Av CentiPawn Loss W=-27/B=-26. Weighted=-46/-25} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.21"]
[Round "3.6"]
[White "Yu, Jennifer"]
[Black "Samadashvili, Martha"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2315"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,119,18,43,32,35,31,49,48,44,44,38,37,41,40,40,13,64,40,34,34,44,45,54,56,49,40,69,31,63,12,56,47,47,44,71,24,34,17,22,-12,0,0,0,0,0,0,0,0,43,25,41,25,19,0,0,0,292,308,309,306,294,207,285,283,273,138,143,156,156,127,214,213,208,193,265,200,263,278,495,485,1096,1092,1094,1089,1012,1087,858,452,2106,2068,1713,1526,1337,1226,1311,1325,1252,1153,822,956,29978,29979,29979,29980,29980,29981,29981,29982,29982,29983,29983,29984]} 1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Qd3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} a6 7. Nxc6 Qxc6 8. Be2 {White is slightly better.} b5 9. Bf3 {Strongly threatening e5.} Bb7 10. e5 Qc7 11. Bxb7 Qxb7 12. O-O {[#]} Ne7 $146 (12... f6 $11) ({Predecessor:} 12... f5 13. h4 Rc8 14. Bd2 Nh6 15. f3 Nf7 16. Bf4 Rc4 17. g3 Bc5+ 18. Kh1 Bd4 {0-1 (29) Nijboer,F (2566)-Admiraal,M (2414) Barcelona 2015}) 13. Ne4 {And now Nd6+ would win.} Ng6 14. f4 Be7 15. Be3 Qc6 16. Rad1 O-O 17. Rf2 Rac8 18. c3 Qc4 19. b3 (19. g3 $14) 19... Qc6 20. b4 Rfd8 21. Bc5 Bxc5 22. Nxc5 Ne7 23. g4 Qc7 24. Qg3 d6 25. Nxa6 Qb6 26. Rxd6 Rxd6 27. exd6 Qxd6 28. Nc5 Nd5 29. Qd3 Qc7 30. f5 Nf4 31. Qe3 $36 {[%mdl 2048] White has good play.} e5 32. Rd2 Rd8 $2 {[%mdl 8192] [#]} (32... h5 $11 {and Black stays safe.}) 33. Qxe5 $1 $18 {[%mdl 512]} Nh3+ (33... Qxe5 34. Rxd8+) 34. Kf1 Qc8 35. Rxd8+ Qxd8 36. Kg2 Ng5 37. Qe3 (37. h4 $18 Qa8+ 38. Kf2 Qxa2+ 39. Ke3 Qd2+ {[%mdl 64] Decoy} 40. Kxd2 Nf3+ 41. Ke3 Nxe5 42. g5) 37... h6 38. h4 Nh7 39. Kh3 Nf6 {[#]} (39... Qd1 $16) 40. g5 $1 {[%cal Rg5f6]} hxg5 41. hxg5 Nd5 (41... Nh7 $142 42. Ne4 Qc8) 42. Qd2 Qd6 {White must now prevent ...Nf4+.} 43. Qd4 f6 $2 (43... Qc6 {might work better.} 44. Qe4 g6 45. fxg6 fxg6) 44. gxf6 gxf6 (44... Qc6 $142 45. fxg7 Qh6+ 46. Kg4 Nf6+ 47. Kf3 Kh7) 45. Ne4 Nf4+ 46. Kg4 Qxd4 47. cxd4 {[%mdl 4096] Endgame KN-KN} Nd5 48. a3 Kg7 (48... Kf8 $142 49. Kf3 Ke7) 49. Nd6 Nc7 50. Kf4 Kf8 51. Ke4 Ke7 52. Nb7 Kd7 53. d5 Ne8 54. Kd4 Nd6 55. Nxd6 {White mates.} Kxd6 56. Ke4 Kc7 57. Kd3 Kd7 {[#]} 58. a4 $1 bxa4 59. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Kd6 60. b6 {Av CentiPawn Loss W=-23/B=-46. Weighted=-26/-33} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Samadashvili, Martha"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2311"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,115,13,25,8,22,29,29,6,25,10,27,22,37,37,45,41,47,48,86,33,39,26,72,48,39,28,33,37,34,10,62,53,52,55,54,54,54,56,64,57,60,61,62,35,39,44,50,54,61,63,56,60,63,63,70,51,68,68,83,68,68,58,90,90,90,90,91,91,91,61,126,93,251,214,226,226,362,355,538,538,806,497,497,497,910,629,29963,29967,29972,29973,29981,29982,29981,29967,29965,29967,29961,29965,29971,29969,29973,29971,29982,29983,29984,29984,29984,29985]} 1. d4 {Ftacnik,L} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} c6 7. e3 O-O 8. Rc1 {White has an edge.} Re8 9. Bd3 {[#]} Bg4 $146 ({Predecessor:} 9... Nbd7 10. O-O Nf8 11. Ne5 Ng6 12. h3 Bd6 13. Nxg6 hxg6 14. Bg5 Be7 15. Qc2 Ne4 16. Bf4 Nxc3 17. bxc3 Bd6 18. Bxd6 Qxd6 19. c4 dxc4 20. Bxc4 Be6 {1-0 (40) Polgar,Z (2560)-Ioseliani,N (2460) Monte Carlo 1993 CBM 034 [Ftacnik,L]}) 10. Qb3 Qb6 11. Ne5 Be6 12. O-O {And now Na4 would win.} Bf8 13. Qc2 h6 14. h3 (14. Bg3 $16) 14... Nbd7 $14 15. Bh2 c5 16. Na4 Qa5 17. Nxd7 (17. Nxc5 {is more complex.} Nxc5 18. dxc5 Rac8 19. Qb3 Rxc5 20. Rxc5 Bxc5 21. Qxb7 d4 22. exd4 Bxd4 23. Nc6) 17... Nxd7 18. dxc5 Rac8 {[%cal Rd7c5]} 19. Qb3 {With the idea Qb5.} Bxc5 (19... Red8 $11) 20. Nxc5 Nxc5 21. Qb5 Qxb5 22. Bxb5 Red8 23. Be5 a6 24. Be2 f6 25. Bd4 Ne4 26. Bd3 Kf7 27. Rfd1 Rxc1 28. Rxc1 Rc8 29. Rxc8 Bxc8 {[%mdl 4096] Endgame KBB-KBN} 30. f3 Nd6 31. g4 Bd7 32. Kf2 Bb5 33. Bc2 Ke6 34. a4 Bc6 35. h4 Nc4 36. b3 Ne5 37. h5 Kd6 38. Kg3 Bd7 39. Kf4 Nf7 (39... Nc6 $14) 40. Bb2 $16 {Hoping for Ba3+.} Ng5 $2 {Black cannot hold the game after this.} (40... Kc6 $16) 41. Ba3+ $18 Kc7 {[#]} 42. Bf5 $1 Bxf5 (42... Ne6+ $142 43. Bxe6 Bxe6) 43. gxf5 {KB-KN} Kc6 (43... Nh7 {might work better.} 44. Kg3 Kd8) 44. Bf8 Kd7 45. Bxg7 {[%mdl 64] Double Attack} Ke7 46. Bxh6 Nf7 (46... Nh7 $142 47. Kg4 Kf7) 47. Bg7 Nd6 48. h6 {White mates.} Kf7 49. e4 d4 {[#]} 50. e5 $1 d3 51. e6+ Kg8 52. Ke3 d2 53. Kxd2 Nxf5 54. Bxf6 Nxh6 55. Kd3 Kf8 56. Ke4 Ke8 57. Ke5 Ng8 58. Bg5 {Av CentiPawn Loss W=-18/B=-49. Weighted=-14/-41} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.2"]
[White "Krush, Irina"]
[Black "Yu, Jennifer"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2429"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,25,16,16,22,16,20,25,23,16,11,12,16,8,53,44,38,33,115,113,115,76,65,35,35,29,108,117,119,121,116,112,150,94,121,102,159,166,189,167,185,185,327,330,489,490,456,297,297,297,297,297,360,297,306,302,328,288,377,369,369,369,518,513,512,491,952,937,2540,2450,29978,29968]} 1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} Bd6 7. Bxd6 Qxd6 8. Bd3 {The position is equal.} O-O 9. h3 b6 10. Nf3 c5 11. O-O {[#]} Nc6 $146 ({Predecessor:} 11... Bb7 12. b3 Nbd7 13. Rc1 Rfe8 14. Qe2 b5 15. dxc5 Nxc5 16. Nd4 Qb6 17. b4 Ne6 18. Nxe6 Rxe6 {½-½ (24) Bindrich,F (2598)-Nisipeanu,L (2672) Germany 2017}) 12. dxc5 bxc5 13. Rc1 Be6 (13... Rd8 $14) 14. Na4 $1 $16 Nd7 15. b3 h6 16. Qe2 Ne7 17. Rfd1 Ng6 (17... f5 $1 $11 {keeps the balance.}) 18. Qc2 {White leaves nothing to chance now.} Rac8 19. Bxg6 fxg6 20. Qxg6 Qe7 21. Qg3 (21. Nc3 $142) 21... Rf5 22. Qh4 Qf7 {[#]} (22... Nf6 $142) 23. Nd4 $1 $36 {[%cal Rd4f5][%mdl 2560] White has strong initiative.} Rg5 {[#]} (23... cxd4 24. Rxc8+) 24. f4 $1 {[%cal Rf4g5]} Rg6 25. Kh2 Rf8 (25... Rf6 $142 26. Qf2 Qe8) 26. Nxc5 $18 {[%mdl 64] Double Attack} Bf5 (26... Nxc5 {was necessary.} 27. Rxc5 Rf6) 27. Nxf5 Qxf5 28. Nxd7 Qxd7 29. Qh5 Rd6 30. Rd4 Re8 31. Qf3 Qf5 32. Rcd1 Red8 33. Qg4 Qf7 34. e4 Rg6 35. Qf3 Rc8 (35... Rf6 $142 36. g3 Rc6) 36. Rxd5 Rc2 37. R1d2 Qc7 (37... Rxd2 $142 38. Rxd2 Rf6) 38. e5 Kh7 39. Qe4 Rcc6 40. Rd6 {Av CentiPawn Loss W=-17/B=-100. Weighted=-18/-94} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.3"]
[White "Wang, Annie"]
[Black "Yip, Carissa"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2384"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,111,56,56,56,56,56,65,62,65,65,65,65,65,65,79,65,65,65,70,38,35,36,46,46,46,34,41,14,34,23,34,27,39,10,36,27,33,27,41,40,49,27,45,27,35,0,25,0,20,0,8,0,0,0,0,0,7,14,17,12,27,-35,23,0,26,0,20,0,19,0,0,-35,-35,-107,-101,-111,-130,-135,-123,-342,-306,-265,-160,-192,-140,-410,-413,-365,-413,-398,-392,-398,-311,-577,-259,-29993,-1119,-29998,-29999,-29999]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 d6 6. Be3 e5 7. d5 Na6 8. g4 {E73: King's Indian: Averbakh Variation without 6...c5.} Nc5 9. f3 $1 a5 {9...h5 gains popularity.} 10. h4 {White is slightly better.} h5 11. g5 $1 {[%cal Rg5f6]} Nfd7 12. Nh3 Nb6 13. Nf2 Bd7 14. Qd2 a4 15. O-O-O {[#]} Qb8 $146 ({Predecessor:} 15... Qe7 16. Nb5 Qd8 17. Kb1 Re8 18. Na3 Bf8 19. Rc1 c6 20. Rhd1 Qc7 21. Qb4 Bc8 {½-½ (30) Riazantsev,A (2639)-Smirin,I (2615) Moscow 2020}) 16. Bxc5 dxc5 17. Qe3 Ra5 18. Kb1 Nc8 19. Rc1 Nd6 20. Rhd1 Re8 21. Bf1 b6 22. a3 Bc8 23. Ka1 Ba6 24. Nb1 Qd8 25. Be2 Qe7 26. Rg1 Bc8 27. Nc3 Bd7 28. Qd2 Raa8 29. Ka2 Reb8 30. Qe3 Qe8 31. Rc2 Bf8 32. Rd1 Nb7 33. Nd3 Na5 34. Nc1 Bd6 35. Qd2 Qc8 36. Bd3 Be8 37. Qe3 (37. Kb1 $11) 37... Bd7 ({Better is} 37... c6 $15) 38. Qd2 Qd8 39. Qe3 Qe7 40. Be2 Kh7 41. Bf1 Rf8 42. Rg2 Bh3 43. Rg1 (43. Rf2 $1 $15 Bxf1 44. Rdxf1) 43... Bxf1 $17 44. Rgxf1 Nxc4 45. Qe2 Na5 46. Nxa4 $2 (46. f4 $17) 46... c4 47. Nc3 Qd7 48. f4 b5 (48... exf4 $19 49. Qd2 f6 50. Rxf4 Bxf4 51. Qxf4 Qg7) 49. f5 $2 {[%mdl 8192] This costs White the game.} (49. fxe5 $17 Bxe5 50. Kb1) 49... b4 $19 50. fxg6+ fxg6 51. Rxf8 Bxf8 52. Nb1 Qa4 53. Qf3 $2 (53. Rf1 {was the only chance.} bxa3 54. bxa3) 53... c3 (53... bxa3 $142 54. Nxa3 (54. Qf7+ $2 Kh8 $19) 54... c3 $1 {[%mdl 512]}) 54. bxc3 $2 (54. b3 $19 Qd7 55. Rf1) 54... Nc4 (54... Qc2+ $142 55. Ka1 b3 56. Qxh5+ gxh5 57. g6+ {[#]} Kg7 $1 {[%mdl 512]} 58. Rh1 b2+ {[%mdl 64] Double Attack} 59. Ka2 bxc1=B+ {[%mdl 64] Discovered Attack} 60. Ka1 Nb3#) 55. cxb4 Qc2+ 56. Ka1 Qb2# {Av CentiPawn Loss W=-66/B=-59. Weighted=-76/-64} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.4"]
[White "Derakhshani, Dorsa"]
[Black "Zatonskih, Anna"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2270"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,55,125,130,111,111,111,125,120,137,143,136,111,137,131,333,333,1447,1320,1281,1261,1443,1404,1348,1378,2093,2010,1900,1408,1397,1252,29989,29990,29991,29992,29994,29995]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. a3 Bxc3+ 6. bxc3 b6 7. Qg4 f5 8. Qg3 Ba6 9. Bxa6 Nxa6 10. Ne2 O-O-O 11. a4 Nb8 12. a5 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} Nc6 13. axb6 cxb6 14. O-O {White is better.} Na5 15. Rxa5 bxa5 16. Ba3 {Threatens to win with Rb1.} Kb7 17. Nf4 Nh6 $2 {[#] This move loses the game for Black.} (17... Ka8 $16 {keeps fighting.}) 18. c4 $1 $18 {[%mdl 512]} dxc4 $2 (18... Ka8 19. cxd5 exd5) 19. Rb1+ Ka6 {[#]} 20. Nd3 $1 {[%cal Rd3c5][%mdl 512]} Rc8 (20... cxd3 21. Qxd3+) 21. Nc5+ Rxc5 22. Bxc5 {[#]} Rc8 $146 ({Predecessor:} 22... f4 23. Qc3 Qa4 24. Qb2 Qd7 25. Qa2 Qd5 26. Qa4 {1-0 (26) Khachiyan,M (2462)-Gliksman,D (2335) Santa Monica 2005}) 23. Qc3 Qa4 24. Qb2 {[%csl Gb1][%cal Rb2b7]} Rc7 25. Bd6 {White wants to mate with Qb8.} Rd7 {[#]} 26. d5 $1 {[%mdl 512] White mates.} exd5 27. e6 c3 28. Qb8 {Av CentiPawn Loss W=-63/B=-183. Weighted=-31/-207} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.5"]
[White "Abrahamyan, Tatev"]
[Black "Eswaran, Ashritha"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "2358"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,127,30,31,34,27,24,19,29,-3,25,18,16,0,2,-4,-6,-19,0,-53,4,8,6,0,0,0,18,25,42,42,46,35,43,35,93,97,89,83,108,87,111,108,114,73,92,48,41,23,47,47,93,94,129,113,115,-41,-56,-58,-42,-56,-47,-62,-44,-63,0,0,41,-58,121,-137,0,0,118,-58,0,0,0,0,0,-28,0,-58,-58,-39,-39,-37,-8,-8,0,-8,-8,-8,0,-9,0,0,0,0,0,0,14,13,9,12,15,0,0,0,0,-45,-45,-48,-57,-29980,-29981,-29997,-29998,-29998,-29999,-29999]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 {B11: Caro-Kann: Two Knights Variation.} 7. Bc4 {Black must now prevent Ng5!} Nf6 8. Ne5 {[%csl Ge5][%cal Rc4f7]} e6 {The position is equal.} 9. Qh4 {[#]} Be7 $146 ({Predecessor:} 9... Bd6 10. d4 Bxe5 11. dxe5 Qa5+ 12. c3 Qxe5+ 13. Be3 Qh5 14. Qg3 O-O 15. Be2 Qg6 {0-1 (39) Vysochin,S (2501)-Arnaudov,P (2471) chess.com INT 2020}) 10. d4 c5 11. dxc5 Qa5+ 12. Bd2 $132 {[%mdl 2048] White has counterplay} Qxc5 13. Nd3 Qc6 14. Bb3 (14. Ne5 $11 Qc5 15. Nd3) 14... Qe4+ (14... Ne4 $15 15. Qg4 h5) 15. Qxe4 $11 Nxe4 16. Bf4 Bd7 17. O-O-O Bb5 18. Rhe1 Nf6 19. Ne5 O-O 20. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Be8 21. g4 b5 (21... Rd8 $14) 22. a5 $1 $16 Rc8 23. g5 Nh5 24. Be3 Bb4 25. Bd2 $1 {[%cal Rd2b4]} ({Resist} 25. Bxa7 Bxe1 26. Rxe1 Nf4 $14) 25... Bc5 26. f3 Bc6 27. Nxc6 Rxc6 28. Bc3 Nf4 29. Rd7 Rfc8 30. Kb1 a6 31. Red1 Bf8 32. Rd8 $2 (32. h4 $16) 32... Nd5 $1 $15 33. Rxc8 Nxc3+ 34. bxc3 Rxc8 {[%mdl 4096] Endgame KRB-KRB} 35. Rd7 Bc5 36. c4 b4 ({Black should try} 36... Rb8 $15) 37. Ba4 $11 Be3 38. Rb7 (38. Ka2 $14) 38... Bxg5 $2 (38... g6 $1 $15) 39. c5 $2 {[%mdl 8192]} (39. Bd7 $1 $16 {[%cal Rd7c8]} Ra8 40. c5) 39... Bd8 ({Better is} 39... Bf4 $1 $17 40. Ra7 g6) 40. c6 Bxa5 {[#]} (40... Bc7 $11) 41. Ra7 $2 (41. c7 $1 $16 {[%mdl 512]} Bxc7 42. Bd7) 41... h6 (41... g5 $15) 42. Rxa6 Bc7 43. h3 $1 Kf8 44. Ra7 Bd6 45. Bb5 ({White should play} 45. Rd7 $11 Bg3 46. Kb2) 45... Rc7 $15 46. Ra8+ Ke7 47. Kb2 e5 48. Kb3 Ke6 49. Kc4 f5 50. Re8+ Be7 51. Ba4 Kf7 52. Ra8 Ke6 53. Kb5 Bd6 54. Bb3+ Ke7 55. Kb6 {Rg8 is the strong threat.} e4 56. fxe4 fxe4 57. Ra1 Rc8 58. Re1 Rb8+ 59. Ka7 Kd8 60. Rxe4 {And now Rd4 would win.} Kc7 61. Bd5 $2 {[%mdl 8192] This costs White the game.} (61. Ka6 $15) 61... Rb5 {[%cal Rb5a5] Black mates.} 62. Bc4 Ra5+ 63. Ba6 Bc5+ 64. Ka8 Rxa6# {Av CentiPawn Loss W=-37/B=-36. Weighted=-64/-29} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "4.6"]
[White "Foisor, Sabina-Francesca"]
[Black "Nguyen, Emily"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2228"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,113,15,16,24,47,48,33,21,27,19,27,19,17,0,0,0,0,0,0,0,0,-15,46,0,0,-7,0,0,75,84,154,150,147,142,141,145,185,184,208,135,135,97,109,50,86,47,47,47,48,47,54,25,29,0,38,0,111,0,0,0,0,0,0,0,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,12846,12840,12842,12843,12843,12843,12848,12848,12850,12850]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Bg4 6. c3 e6 7. Qb3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qb6 8. Qxb6 axb6 9. Bb5 {White is slightly better.} Nd7 10. O-O Be7 11. h3 Bh5 {[#]} 12. c4 $146 ({Predecessor:} 12. Ne5 Ndb8 13. Rfe1 O-O 14. Nef3 Rc8 15. a4 f5 16. c4 Na6 17. Rac1 Nab4 18. Rc3 {0-1 (54) Richter,H (1881)-Schumacher,G (2216) Bad Sooden 2012}) 12... O-O 13. g4 Bg6 14. cxd5 exd5 15. a3 Ra5 16. Be2 Ra4 (16... h6 $11) 17. Bd1 Raa8 18. Rc1 cxd4 19. Nxd4 Nxd4 (19... Nc5 $11 20. N2f3 Bf6) 20. exd4 $16 Rac8 ({Black should play} 20... Nb8) 21. Bb3 $36 {[%mdl 2048] White is really pushing.} Nf6 22. Rfe1 Rxc1 23. Rxc1 h5 24. g5 Ne4 25. Nf3 ({Weaker is} 25. Bxd5 Bxg5 26. Bxg5 Nxg5 $11) 25... Rd8 26. h4 Bf5 27. Ne5 (27. Kg2 $16) 27... Bd6 28. Nd3 Nxf2 29. Kxf2 {Bxd6 is the strong threat.} Bxd3 30. Bxd6 Rxd6 $14 {[%mdl 4096] Endgame KRB-KRB} 31. Rc8+ Kh7 32. Rc7 Kg6 33. Rxb7 Be4 {[#]} (33... f6 $1 $11) 34. Kg3 (34. Ba4 $1 $16) 34... f6 $11 35. gxf6 Rxf6 {And now ...Rf3+ would win.} 36. Bd1 Kh6 $1 37. Rb8 g6 38. Be2 Rc6 39. Bf3 Bxf3 40. Kxf3 {KR-KR} Re6 41. Rd8 Re4 {[%mdl 64] [#] Double Attack} 42. Rxd5 Rxh4 43. Rd8 Rh2 44. b4 Rh3+ 45. Ke4 Rxa3 46. d5 Ra1 (46... Rb3 {with more complications.} 47. d6 Rxb4+ 48. Kd5 Kg5 49. Rh8 Rb5+) 47. d6 Rd1 48. Ke5 Kg5 49. Rh8 h4 50. Ke6 {aiming for d7.} Re1+ 51. Kd5 {Hoping for d7.} Rd1+ 52. Kc6 {Threatens to win with d7.} Kf6 $2 {[%mdl 8192]} (52... Rc1+ $11 53. Kxb6 Rd1) 53. Rxh4 {White is clearly winning.} Ke6 54. Re4+ Kf5 55. Re8 g5 56. d7 g4 57. d8=Q {Av CentiPawn Loss W=-9/B=-32. Weighted=-13/-36} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.1"]
[White "Nguyen, Emily"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2280"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,59,30,94,36,42,16,11,23,25,39,33,0,0,0,0,0,0,-3,367,359,1070,1065,1087,1087,1079,1082,1069,1072,1442,1424,1278,1326,2354,2038,29969,29966,5473,3610,5485,3144]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O Nc6 7. Qe2 a6 8. Rd1 b5 9. dxc5 Qc7 10. Bd3 Bxc5 {10...Nb4 is more fashionable.} 11. a4 b4 {[#] has lost popularity (11...bxa4).} (11... bxa4 $11 {remains equal.} 12. Rxa4 Bb7) 12. Nbd2 {D28: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nc6.} (12. b3 $1 $16) 12... Bb7 13. b3 {[#]} Nd5 $146 ({Predecessor:} 13... O-O 14. Bb2 Be7 15. Rac1 Nd5 16. Ne4 Qa5 17. Neg5 h6 18. Bh7+ Kh8 19. Bb1 Bxg5 20. Nxg5 {½-½ (57) Riess,A (2208)-Grabarczyk,M (2445) Lueneburg 2016}) 14. Bb2 {The position is equal.} Nc3 15. Bxc3 bxc3 16. Ne4 Bb4 17. Rac1 Ne5 18. Nxe5 Qxe5 19. Qg4 $36 {[%mdl 2048] White fights for an advantage.} O-O $2 {[%mdl 8192] [#] This costs Black the game.} (19... Bxe4 $1 $11 {and Black is okay.} 20. Bxe4 Rb8) 20. Ng5 $1 $18 {[%mdl 64] Discovered Attack} Be7 $2 (20... h6) 21. Qh5 {[%csl Gd3,Gg5][%cal Rh5h7]} h6 22. Bh7+ Kh8 23. Nxf7+ {[%mdl 64] Discovered Attack} Rxf7 24. Qxe5 Kxh7 25. Qxe6 Raf8 26. Rd7 {[%mdl 64] Double Attack} Rxf2 27. Rxb7 Ba3 {[#]} 28. Qd7 $1 {[%csl Gb7][%cal Rd7g7]} R2f7 29. Qd3+ {[%mdl 64] Double Attack} Kg8 30. Rxf7 {Av CentiPawn Loss W=-25/B=-137. Weighted=-15/-233} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.2"]
[White "Eswaran, Ashritha"]
[Black "Foisor, Sabina-Francesca"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2244"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,119,26,36,0,16,10,45,31,39,0,0,-21,-16,-21,0,-16,0,8,0,9,40,0,0,0,0,0,23,0,20,11,12,-72,10,9,157,156,125,117,29971,142,150,105,111,110,118,68,103,103,105,59,61,62,53,52,52,48,102,99,111,111,97,54,49,50,85,85,126,127,105,80,111,111,145,95,122,85,905,831,1004,959,12835,12835,12835,12832,12841,12841,12843,12844,12844,12845,12845,12845,12846,12845,12846,12845,12846,12846,12847,12847,12849,12850,27999,27999]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Qc2 Nf6 10. Nc3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} dxc4 11. Bxc4 Nbd7 12. Re1 {White is slightly better.} Nb6 13. Bd3 h6 14. Ne5 Be6 15. Bd2 Nbd5 {[#]} 16. Nxd5 $146 ({Predecessor:} 16. Qd1 Nxc3 17. bxc3 Bxe5 18. dxe5 Qxd3 19. exf6 Rad8 20. Be3 Qxc3 21. fxg7 Qxg7 22. Qf3 Bd5 23. Qh3 Kh7 24. a3 {0-1 (33) Muhren,Y (1588)-Van Vliembergen,M (1723) Hilversum 2008}) 16... Bxd5 17. Re3 Re8 18. Rae1 Be6 19. Rf3 (19. Rg3 $5 {[%cal Rd2h6]}) 19... Bc7 20. Qc3 Bb6 21. Qc1 Bxd4 {And now ...Bd5 would win.} 22. Bxh6 $1 Ng4 (22... Nh5 {seems wilder.} 23. Bd2 Bd5 24. Rh3 Qd6 25. Rxh5 Rxe5 26. Rexe5 Bxe5 27. Bh7+ Kf8) 23. Nxg4 Bxg4 24. Rxe8+ Qxe8 25. Rg3 gxh6 (25... Qd7 $11 {remains equal.}) 26. Rxg4+ $16 {[%mdl 64] Double Attack} Bg7 27. Qxh6 {[%csl Gg4][%cal Rh6g7]} Qe1+ 28. Bf1 {[%csl Gg4][%cal Rh6g7]} Qe5 29. h3 Rd8 30. Qh4 Re8 31. Bd3 Kf8 32. b3 Qe1+ 33. Kh2 Be5+ 34. f4 {Hoping for Qh6+.} Qxh4 35. Rxh4 $14 {[%mdl 4096] Endgame KRB-KRB} Bf6 36. Rg4 Rd8 ({Black should play} 36... b5 $14) 37. Rg3 $16 Rd4 38. Rf3 $1 a6 39. g4 Bh4 40. Kg2 f6 41. Kf1 b5 42. Ke2 $1 c5 43. g5 Kg7 {[#]} 44. g6 $1 c4 45. Bc2 a5 46. Re3 {aiming for Re7+.} Rxf4 $2 {[%mdl 8192]} (46... f5 $16) 47. Re7+ $18 Kf8 {[#]} 48. g7+ $1 Kg8 49. Be4 Rxe4+ 50. Rxe4 {KR-KB} Bg5 51. bxc4 bxc4 52. Rxc4 Kxg7 53. Ra4 Kg6 54. Rxa5 Bf4 55. Kf3 Bh2 56. Rd5 f5 57. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Kf6 58. a5 Ke6 59. a6 Kxd5 60. a7 {Av CentiPawn Loss W=-32/B=-73. Weighted=-21/-90} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.3"]
[White "Zatonskih, Anna"]
[Black "Abrahamyan, Tatev"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2420"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,69,27,-10,49,40,43,43,31,40,55,40,36,-7,59,68,63,74,75,62,63,60,83,59,61,60,83,18,33,32,34,34,49,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 c5 7. Qc2 Be7 {A13: English Opening: 1...e6.} (7... b6 $11) 8. O-O $14 O-O 9. d4 cxd4 {White is slightly better.} 10. Nxd4 Nc5 11. Rd1 {[#] aiming for Nxe6!} Bd7 $146 ({Predecessor:} 11... Qb6 12. Nc3 Bd7 13. Nb3 Bc6 14. Be3 Bxg2 15. Kxg2 Qc6+ 16. Kg1 Nxb3 17. Qxb3 Ng4 18. Rd3 Nxe3 19. Rxe3 Rfd8 {½-½ (19) MacPherson,H-Lee,P Portsmouth (Southsea) 1976}) 12. b4 Na6 ({Black should play} 12... Ba4 $11 13. Nb3 Ncd7) 13. a3 Rc8 14. Nc3 Qc7 {[#] Hoping for ...e5.} 15. Bb2 Nb8 16. Rac1 Nc6 17. Nxc6 Bxc6 18. Ne4 Qb8 {[#] Strongly threatening ...Bxe4.} 19. Bxf6 ({White should try} 19. Nxf6+ $16 Bxf6 20. Bxf6 (20. Bxc6 Rxc6 21. Qb1 Rxc1 $11) 20... gxf6 21. Qb2 (21. Bxc6 Rxc6 22. Qb2 Rxc1 $14) 21... Bxg2 22. Kxg2) 19... Bxe4 20. Qxe4 Rxc1 21. Rxc1 Bxf6 22. Qxb7 Qxb7 {The position is equal.} 23. Bxb7 $16 {[%mdl 4096] Endgame KRB-KRB} Bb2 24. Rc7 Bxa3 25. b5 Bd6 26. Rc6 Rd8 27. Kg2 Kf8 28. Rc8 Rxc8 29. Bxc8 $11 {KB-KB} Ke7 30. Bb7 Bc5 31. Bc6 Kd6 32. Be8 Ke7 33. Bc6 Kd6 34. Be8 Ke7 35. Bc6 {Av CentiPawn Loss W=-7/B=-7. Weighted=-6/-8} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.4"]
[White "Yip, Carissa"]
[Black "Derakhshani, Dorsa"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2421"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,17,19,17,16,12,33,14,20,28,25,32,8,18,15,0,0,-26,0,-11,0,-4,-7,-14,0,9,10,0,0,-7,-6,-6,-6,-6,-6,-4,-10,-11,-6,-35,0,0,0,0,0,0,0,0,7,8,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 a6 6. a4 {C50: Hungarian Defence and Giuoco Pianissimo.} d6 7. c3 Ba7 8. Re1 {White is slightly better.} h6 9. Nbd2 Ne7 10. Nf1 Ng6 11. Ng3 O-O 12. d4 {[#]} Bg4 $146 ({Predecessor:} 12... c6 13. Bd3 Bg4 14. Be2 Re8 15. h3 Bxf3 16. Bxf3 d5 17. exd5 Nxd5 18. dxe5 Nxe5 19. Bxd5 Qxd5 20. Qxd5 cxd5 {1-0 (42) Grischuk,A (2764)-Wen,Y (2586) China 2019}) 13. Be3 (13. Be2 {is interesting.} Re8 14. h3 Bxf3 15. Bxf3 d5 16. exd5 exd4 17. Rxe8+ Qxe8 18. cxd4 Qd7 19. Be3) 13... exd4 (13... Nxe4 $5 14. Nxe4 d5 $11) 14. Bxd4 Bxd4 15. cxd4 d5 16. exd5 Nxd5 17. h3 Be6 18. Rc1 c6 19. Ne4 Ndf4 20. Bxe6 Nxe6 21. Qb3 Ngf4 22. Rcd1 Rb8 23. Nc5 Qe7 24. Ne5 {[#] And now Ned7 would win.} Qg5 {[%csl Gf4][%cal Rg5g2]} 25. Qg3 {Hoping for Qxg5.The position is equal.} Nxc5 26. dxc5 {Black must now prevent Qxg5.} Rbd8 {Strongly threatening ...Rxd1.} 27. Qxg5 hxg5 28. g3 Ne6 29. Nd7 Rfe8 30. b4 a5 31. b5 Nf8 32. Rxe8 Rxe8 33. Nxf8 Kxf8 $11 {[%mdl 4096] Endgame KR-KR} 34. Rd7 Re7 35. Rd8+ Re8 36. Rd6 cxb5 37. axb5 Rc8 38. c6 bxc6 39. bxc6 Ke7 40. Rd7+ Ke6 41. Ra7 Rxc6 42. Rxa5 Kf6 43. Kg2 Kg6 44. Rd5 f6 45. Kf3 Rc2 46. Rb5 $1 Ra2 47. Rb4 Rc2 48. Rd4 Ra2 49. Rc4 Rb2 50. Rc7 Ra2 51. Rb7 Rc2 52. Rd7 Ra2 53. Rc7 Rb2 54. Rd7 Ra2 55. Rb7 Rc2 56. Rd7 Ra2 {Not much happened in this game. Av CentiPawn Loss W=-1/B=-1. Weighted=-1/0} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.5"]
[White "Yu, Jennifer"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2315"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,145,31,42,42,31,54,43,59,55,63,58,72,79,80,80,84,38,31,32,33,42,38,16,22,-10,-10,-11,0,0,0,0,0,0,0,0,48,42,70,22,27,29,36,0,0,0,0,0,31,33,58,0,17,8,104,104,95,0,0,0,0,0,62,12,9,23,620,155,151,22,120,-156,-155,-283,0,-265,-153,-183,-167,-343,-343,-299,-310,-289,-279,-270,-106,-93,-47,-70,-42,-55,0,-8,0,-8,-8,-1,456,419,5139,5139,5139,5118,4872,4134,5118,5118,5116,5102,5093,5081,29982,29983,29982,29983,29983,29984,29985,29986,29986,29987,29989,29990,29990,29991,29991,29992]} 1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Be7 5. b3 O-O 6. Bb2 c5 7. cxd5 exd5 8. d4 Nc6 9. Be2 Bg4 10. dxc5 Bxc5 11. O-O Qd7 {D32: Tarrasch Defence: Sidelines and lines without g3.} 12. Rc1 Rad8 {[#]} 13. Nb5 $146 ({Predecessor:} 13. Na4 Be7 14. Nc5 Bxc5 15. Rxc5 Ne4 16. Rc1 Rfe8 17. Nd4 Bxe2 18. Qxe2 Nxd4 19. Bxd4 {1-0 (34) Solovchuk,A (2396)-Loy,K (2134) Yuzhny 2011}) 13... Be7 {White is slightly better.} 14. Nbd4 Nxd4 15. Qxd4 {Strongly threatening Ne5.} Bf5 16. Rfd1 a6 17. Ne5 Qe6 18. Rc7 Rc8 $1 {[%cal Rc8c7]} 19. Rdc1 Bd6 20. Rxc8 Rxc8 21. Rxc8+ Qxc8 22. h3 Qc2 23. Bf1 $1 h6 24. Ng4 Bxg4 25. hxg4 Qb1 26. a3 Bf8 27. f3 Bd6 28. Qc3 Bf8 29. Kf2 Nd7 30. Bd3 Qh1 $1 31. Bf5 Qh4+ 32. Kg1 Nc5 33. Bc2 Qg3 34. b4 Ne6 35. Bf5 (35. Qd2 $14) 35... Ng5 36. Kf1 h5 (36... Qh4 $11 {keeps the balance.}) 37. Qe5 $16 Qh4 {White should prevent ...Qh1+.} 38. Bc8 (38. Qxd5 $16 {f4 is the strong threat.} Qh1+ 39. Kf2) 38... hxg4 $40 {[%mdl 128] Black is up to no good.} 39. Bxg4 Qh1+ 40. Kf2 Qb1 (40... Qh4+ $11 41. Qg3 Qh7) 41. Bd4 (41. Bf5 $5 {[%cal Rf5b1]} Qd1 42. Qd4 Qxd4 43. Bxd4 $16) 41... Qa2+ 42. Kg3 f6 $2 {[%mdl 8192]} (42... Nh7 $11) 43. Be6+ $2 (43. Qe8 $18 {and the rest is easy.} Qb1 44. Bc5 Qe1+ 45. Kf4) 43... Kh8 $16 44. Qxd5 ({White has to play} 44. Qf5 $1 $16 Nxe6 45. Qh3+ (45. Qxe6 Qxa3 46. Qh3+ Kg8 $11) 45... Kg8 46. Qxe6+ Kh7 47. Qf7 Bd6+ 48. Kh3) 44... Qe2 (44... Qxa3 $11 45. Bf5 Qxb4) 45. Qd8 $2 {[%mdl 8192]} (45. Bf5 $16 {stays on course. Threatens to win with Qd8!} Qe1+ 46. Kg4) 45... Nxe6 $17 46. Qe8 (46. Qc8 $17 Qa2 47. Bc5) 46... Qe1+ $2 ({Better is} 46... Qc4 $19 {aiming for ...Kg8.} 47. Ba7 Kg8) 47. Kg4 $2 {[%mdl 8192] [#]} (47. Kh2 $11) 47... f5+ $1 48. Kxf5 Nxd4+ {[%mdl 64] Pin} 49. Kg4 $2 (49. Kg6 {keeps fighting.} Qg3+ {[%mdl 64] Double Attack} 50. Kf7 $1 {[%mdl 512]} Qc7+ 51. Kxf8) 49... Kg8 $19 50. Qe4 {[#]} Qh1 $1 {[%cal Rh1g2]} 51. Qd5+ Kh8 52. exd4 Qh6 $2 (52... Qxg2+ $19 {is more deadly.} 53. Kf5 Qh3+ 54. Ke4 g6) 53. Qxb7 $17 Qg6+ 54. Kh3 Qh5+ 55. Kg3 Bd6+ 56. Kf2 Qh4+ {[%mdl 64] Double Attack} 57. Ke2 Qxd4 {White must now prevent ...Qc4+.} 58. Qxa6 Bf4 $2 {[%mdl 8192] White leaves nothing to chance now.} (58... Qe5+ $11 59. Kf2 g5) 59. Qa8+ $18 Kh7 (59... Bb8 $142 60. Qxb8+ Kh7) 60. Qe4+ Qxe4+ 61. fxe4 {[%mdl 4096] Endgame KB-KP} Kg6 62. a4 Kf6 63. a5 Bc7 64. Kd3 Ke5 65. Kc4 Kxe4 {KB-K3P} 66. a6 {White mates.} Bb6 {[#]} 67. Kb5 $1 {[%cal Rb5b6]} Bf2 68. Kc6 g5 69. b5 g4 70. b6 Bxb6 71. Kxb6 Ke3 72. a7 Kf2 73. a8=Q {Av CentiPawn Loss W=-42/B=-79. Weighted=-44/-72} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "5.6"]
[White "Samadashvili, Martha"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "2215"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,3,8,-2,0,0,0,-1,-4,-4,-4,-6,0,-5,-13,-23,-3,-16,-13,-5,20,-4,28,25,15,12,16,-11,-19,-15,-15,-29,0,0,46,0,60,0,0,0,0,0,0,-7,-7,-7,-7,-7,-7,-7,-7,-7,-7,-12,-7,-20,-7,-7,-7,-34,-30,-34,-34,-34,-34,-34,-34,-34,-34,-34,-34,-44,-44,-44,-44,-135,-135,-135,-135,-135,-135,-189,-189,-189,-189]} 1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 e5 6. c3 {B40: Sicilian: 2...e6, Unusual lines.} Be7 7. O-O O-O 8. Na3 {The position is equal.} Re8 9. d3 h6 10. Nc4 d6 11. Rd1 Bf8 {[#]} 12. Bd2 $146 ({Predecessor:} 12. a4 g6 13. Nfd2 Bg4 14. Bf3 Be6 15. Nf1 Bg7 16. Nfe3 d5 17. exd5 Nxd5 18. Ng4 {½-½ (71) Belozerov,A (2528)-Alekseev,E (2639) St Petersburg 2018}) 12... b5 13. Ne3 Be6 14. Be1 Qb6 15. Nh4 Rab8 16. f4 b4 17. f5 Bd7 18. c4 Nd4 19. Qf2 Qd8 20. g4 Nh7 21. Nf3 Be7 22. h4 g5 ({Better is} 22... Nf6 $11) 23. h5 (23. Nd5 $14) 23... Nf6 24. Bh3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 25. Nd2 a4 26. Rdc1 Qc8 27. Nd5 Bd8 28. Nxf6+ Bxf6 29. Nf1 Bd8 30. Ne3 Bc6 31. Bg2 f6 32. Kh2 Kg7 33. Qd2 Ba5 34. Qf2 Qc7 35. Qd2 Ra8 36. Qf2 Reb8 37. Kh3 Rb7 38. Bf1 Qb8 39. Bg2 b3 {[#] Strongly threatening ...a3!} 40. a3 Bxe1 41. Qxe1 Nc2 42. Qd2 (42. Nxc2 $15 bxc2 43. Rxc2) 42... Nxa1 $17 {Black is clearly better.} 43. Rxa1 Qa7 44. Re1 Qa5 45. Qxa5 (45. Qe2 $17 {might work better.}) 45... Rxa5 $19 46. Nd1 Ra8 {Av CentiPawn Loss W=-10/B=-5. Weighted=-10/-5} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "2311"]
[BlackElo "2429"]
[Annotator "ChessBase"]
[PlyCount "178"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "1500+5"]

1. d4 {[%emt 0:00:05]} d6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:03]} e5 {[%emt 0:00:06]} 3. d5 {[%emt 0:00:02]} Be7 {[%emt 0:00:03]} 4. Nc3 {[%emt 0:01:20]} Bg5 {[%emt 0:00:19]} 5. e4 {[%emt 0:04:56]} Bxc1 {[%emt 0:00:19]} 6. Qxc1 {[%emt 0:00:30]} a5 {[%emt 0:00:39]} 7. Be2 {[%emt 0:01:05]} Nf6 {[%emt 0:00:34]} 8. Nf3 {[%emt 0:00:20]} Na6 {[%emt 0:00:16]} 9. O-O {[%emt 0:00:39]} Bg4 {[%emt 0:02:38]} 10. Nd2 {[%emt 0:00:57]} Bd7 {[%emt 0:01:46]} 11. Bd1 {[%emt 0:01:48]} Nc5 {[%emt 0:00:19]} 12. Bc2 {[%emt 0:00:11]} O-O {[%emt 0:00:37]} 13. b3 {[%emt 0:00:51]} c6 {[%emt 0:00:41]} 14. a3 {[%emt 0:00:52]} Qb6 {[%emt 0:01:14]} 15. Rb1 {[%emt 0:00:41]} cxd5 {[%emt 0:04:02]} 16. exd5 {[%emt 0:00:17]} Na6 {[%emt 0:00:41]} 17. b4 {[%emt 0:02:56]} axb4 {[%emt 0:00:08]} 18. axb4 {[%emt 0:00:03]} Rfc8 {[%emt 0:00:44]} 19. Qb2 {[%emt 0:00:38]} Qd4 {[%emt 0:02:23]} 20. Rbd1 {[%emt 0:02:18]} Qh4 {[%emt 0:02:32]} 21. Bd3 {[%emt 0:00:42]} Qd4 {[%emt 0:04:01]} 22. Be2 {[%emt 0:01:23]} Qb6 {[%emt 0:00:17]} 23. Rb1 {[%emt 0:00:57]} Bf5 {[%emt 0:00:11]} 24. Na4 {[%emt 0:00:06]} Qd8 {[%emt 0:00:41]} 25. Rbc1 {[%emt 0:00:13]} Nd7 {[%emt 0:00:24]} 26. Qb3 {[%emt 0:01:02]} Nb6 {[%emt 0:00:17]} 27. Nb2 {[%emt 0:00:03]} Nd7 {[%emt 0:00:13]} 28. Bd3 {[%emt 0:00:49]} Bxd3 {[%emt 0:00:39]} 29. Nxd3 {[%emt 0:00:00]} Qb6 {[%emt 0:00:06]} 30. Rb1 {[%emt 0:00:15]} Qd4 {[%emt 0:00:11]} 31. Rfe1 {[%emt 0:00:57]} Nf6 {[%emt 0:00:18]} 32. Rbd1 {[%emt 0:00:16]} e4 {[%emt 0:00:06]} 33. Nb2 {[%emt 0:00:04]} Re8 {[%emt 0:00:07]} 34. Nf1 {[%emt 0:00:22]} Qb6 {[%emt 0:00:02]} 35. b5 {[%emt 0:00:07]} Nc5 {[%emt 0:00:02]} 36. Qg3 {[%emt 0:00:01]} Ra2 {[%emt 0:00:05]} 37. Rb1 {[%emt 0:00:04]} Qa5 {[%emt 0:00:09]} 38. Qe3 {[%emt 0:00:10]} g6 {[%emt 0:00:03]} 39. Qd4 {[%emt 0:00:03]} Nfd7 {[%emt 0:00:03]} 40. Nd1 {[%emt 0:00:03]} Qxe1 {[%emt 0:00:09]} 41. Nc3 {[%emt 0:00:04]} Qxf2+ {[%emt 0:00:06]} 42. Qxf2 {[%emt 0:00:01]} Rxf2 {[%emt 0:00:01]} 43. Kxf2 {[%emt 0:00:00]} Ra8 {[%emt 0:00:05]} 44. Ne3 {[%emt 0:00:11]} f5 {[%emt 0:00:02]} 45. g3 {[%emt 0:00:02]} Kf7 {[%emt 0:00:05]} 46. Nc2 {[%emt 0:00:07]} Nb6 {[%emt 0:00:06]} 47. Ne3 {[%emt 0:00:07]} Ra3 {[%emt 0:00:01]} 48. Ncd1 {[%emt 0:00:06]} Ra2+ {[%emt 0:00:07]} 49. Kg1 {[%emt 0:00:04]} Kf6 {[%emt 0:00:05]} 50. Nc3 {[%emt 0:00:06]} Ra3 {[%emt 0:00:05]} 51. Ncd1 {[%emt 0:00:03]} Ke5 {[%emt 0:00:02]} 52. Kf2 {[%emt 0:00:04]} Ra2+ {[%emt 0:00:08]} 53. Kg1 {[%emt 0:00:08]} Kd4 {[%emt 0:00:08]} 54. Rc1 {[%emt 0:00:04]} Nd3 {[%emt 0:00:11]} 55. Rc3 {[%emt 0:00:11]} Na4 {[%emt 0:00:04]} 56. Rb3 {[%emt 0:00:05]} Ra1 {[%emt 0:00:06]} 57. Kg2 {[%emt 0:00:03]} Ke5 {[%emt 0:00:03]} 58. h4 {[%emt 0:00:02]} h6 {[%emt 0:00:04]} 59. Kh2 {[%emt 0:00:08]} g5 {[%emt 0:00:03]} 60. hxg5 {[%emt 0:00:01]} hxg5 {[%emt 0:00:00]} 61. Kg2 {[%emt 0:00:02]} f4 {[%emt 0:00:05]} 62. gxf4+ {[%emt 0:00:04]} gxf4 {[%emt 0:00:01]} 63. Ng4+ {[%emt 0:00:00]} Kd4 {[%emt 0:00:04]} 64. Ndf2 {[%emt 0:00:09]} Ra2 {[%emt 0:00:06]} 65. Kf1 {[%emt 0:00:07]} Nac5 {[%emt 0:00:05]} 66. Rb1 {[%emt 0:00:07]} e3 {[%emt 0:00:07]} 67. Nxd3 {[%emt 0:00:07]} Nxd3 {[%emt 0:00:05]} 68. c5 {[%emt 0:00:07]} e2+ {[%emt 0:00:06]} 69. Kg1 {[%emt 0:00:01]} Nxc5 {[%emt 0:00:11]} 70. Nf2 {[%emt 0:00:06]} Rd2 {[%emt 0:00:09]} 71. Kg2 {[%emt 0:00:06]} Kxd5 {[%emt 0:00:05]} 72. Kf3 {[%emt 0:00:03]} Nd3 {[%emt 0:00:06]} 73. Nxd3 {[%emt 0:00:03]} Rxd3+ {[%emt 0:00:01]} 74. Kxe2 {[%emt 0:00:00]} Re3+ {[%emt 0:00:01]} 75. Kf2 {[%emt 0:00:01]} Kc5 {[%emt 0:00:02]} 76. Rd1 {[%emt 0:00:05]} d5 {[%emt 0:00:09]} 77. b6 {[%emt 0:00:09]} d4 {[%emt 0:00:02]} 78. Rb1 {[%emt 0:00:18]} d3 {[%emt 0:00:04]} 79. Rc1+ {[%emt 0:00:06]} Kxb6 {[%emt 0:00:03]} 80. Rc4 {[%emt 0:00:01]} Re2+ {[%emt 0:00:12]} 81. Kf3 {[%emt 0:00:01]} Rh2 {[%emt 0:00:07]} 82. Rxf4 {[%emt 0:00:07]} d2 {[%emt 0:00:03]} 83. Rd4 {[%emt 0:00:02]} Kc5 {[%emt 0:00:02]} 84. Rd8 {[%emt 0:00:03]} b5 {[%emt 0:00:04]} 85. Ke3 {[%emt 0:00:02]} Kb4 {[%emt 0:00:03]} 86. Rd5 {[%emt 0:00:13]} Ka4 {[%emt 0:00:07]} 87. Rd4+ {[%emt 0:00:13]} b4 {[%emt 0:00:02]} 88. Rxd2 {[%emt 0:00:01]} Rxd2 {[%emt 0:00:02]} 89. Kxd2 {[%emt 0:00:00]} Ka3 {[%emt 0:00:01]} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.2"]
[White "Wang, Annie"]
[Black "Samadashvili, Martha"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2384"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "168"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,168,16,11,14,5,15,0,7,-6,16,15,15,15,18,0,18,23,14,0,0,-9,23,17,28,28,31,35,27,0,15,7,27,0,20,18,20,24,26,26,56,66,58,14,97,20,27,0,85,63,70,37,45,-8,29,9,64,15,70,3,9,0,53,0,25,0,59,50,30,0,31,0,247,247,275,266,366,337,445,501,796,763,1354,1261,1530,536,520,510,697,564,755,748,712,714,687,502,626,631,817,830,820,795,740,418,391,420,481,479,475,475,520,275,356,53,66,8,8,8,8,8,8,8,70,-29943,-29950,-29945,-29945,-29954,-29948,-29966,-29967,-29967,-29968,-29970,-29971,-29975,-29972,-29974,-29972,-29974,-29973,-29971,-29971,-5077,-1975,-29987,-29988,-29988,-29988,-29987,-29988,-29988,-29988]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Nc3 c6 6. Bg2 O-O 7. O-O b6 8. b3 Nbd7 9. Bb2 Ba6 10. Qd3 c5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 11. Rfd1 Rc8 12. dxc5 {[#]} Bxc5 $146 {The position is equal.} ({Predecessor:} 12... dxc4 13. bxc4 Rxc5 14. Nb5 Qb8 15. Ba3 Bxb5 16. cxb5 Rd5 17. Qb3 Nc5 18. Qc2 Rc8 {1-0 (48) Portisch,F (2420)-Opl,K (2325) Vienna 1986}) 13. Nb5 Bxb5 (13... e5 $5 14. Nxe5 dxc4 15. bxc4 Bxb5 16. cxb5 Nxe5 17. Bxe5 Bxf2+ {[%mdl 64] Decoy} 18. Kxf2 Ng4+ 19. Kf1 Nxe5 20. Qxd8 Rcxd8 $11) 14. cxb5 Qe7 15. Nd4 Ne5 16. Qb1 Bxd4 17. Bxd4 Ned7 18. Bb2 Qb4 19. Qd3 Rc7 (19... Nc5 $5 {[%cal Rc5d3]} 20. Qe3 Nfe4 $11) 20. a3 Qe7 21. Rac1 Rfc8 22. Rxc7 Rxc7 23. h3 h6 (23... Nc5 $5 {[%cal Rc5d3]} 24. Qe3 Nce4 $11) 24. b4 Rc4 25. Rc1 Rxc1+ 26. Bxc1 Ne5 27. Qc3 Nc4 28. e4 Qd8 29. exd5 exd5 30. Bf1 Nd6 (30... Ne4 $11 {remains equal.} 31. Qd4 Qf6 32. Qxf6 gxf6) 31. Qe5 (31. Qc6 $16) 31... Nc4 $11 32. Qc3 (32. Qf5 $11) 32... Nd6 $16 33. Bb2 Nde4 34. Qd4 Qd7 35. Bg2 (35. a4 $14) 35... Ng5 36. Kh2 Ne6 (36... Qxb5 $11 37. Qf4 Qe2 38. Bxf6 gxf6) 37. Qe5 Qc7 (37... Qd8 $11) 38. Qf5 (38. Qxc7 $14 Nxc7 39. a4) 38... d4 $11 39. Qd3 Qd6 (39... h5 $11) 40. Bc1 (40. f4 $14) 40... Nd7 41. f4 Nf6 (41... h5 $11) 42. f5 $36 {[%mdl 2048] White has some pressure.} Nc7 $1 43. Bf4 Qd7 $1 44. Bc6 Qd8 $2 (44... Qe7 $1 $11) 45. Be5 $18 Qe7 46. Qxd4 Kh7 47. Qd6 Qxd6 48. Bxd6 {[%mdl 4096] Endgame KBB-KNN} Ncd5 (48... Nfd5 $142 49. g4 g6) 49. Bb8 Kg8 50. Bxa7 Kf8 51. Bb8 (51. a4 $142 Nxb4 52. a5) 51... Ke7 52. g4 Nc3 53. Bc7 Nfd5 54. Be5 f6 55. Bd4 Kd6 56. Kg2 Na4 57. Kf3 Ne7 58. Be4 Nd5 59. Bc2 Nac3 60. Bb3 Nxb5 61. Bb2 Nbc7 62. Ke4 Ne7 63. a4 Nc6 64. Bc3 b5 {Now ...bxa4 and Black clings on.} 65. a5 $2 (65. Bd2 $18) 65... Na6 $14 66. h4 ({Better is} 66. Be1 $14) 66... Naxb4 $11 67. g5 hxg5 68. hxg5 Na6 {...Nc5+ is the strong threat.} 69. gxf6 gxf6 ({Black should try} 69... Nc5+ $11 70. Kf4 gxf6) 70. Bxf6 $2 {[%mdl 8192] [#]} (70. Bd1 $14) 70... Nc5+ {[%mdl 64] Double Attack} 71. Kf4 Nxb3 72. Bc3 Nbxa5 73. f6 Ke6 74. Kg5 Nc4 75. Kg6 Nd6 76. Bb2 Nf7 77. Kh5 Nce5 78. Kh4 Kxf6 79. Kg3 Ke6 80. Kf4 Nd3+ {[%mdl 64] [#] Double Attack} 81. Ke3 Nxb2 {Black mates.} 82. Kd2 Kd5 83. Kc3 Na4+ 84. Kb4 Kc6 {Never resign too early! Av CentiPawn Loss W=284/B=-56. Weighted=572/-48} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.3"]
[White "Derakhshani, Dorsa"]
[Black "Yu, Jennifer"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2270"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,-2,0,-14,-9,-5,45,55,41,41,48,56,105,103,107,102,99,102,112,109,108,111,104,114,117,118,238,177,236,212,210,214,193,202,175,165,181,169,285,270,245,259,251,250,322,324,347,328,1495,810,909,824,29988,29989,29989,29990]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. a3 Bxc3 5. dxc3 O-O 6. Bg5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} h6 {Strongly threatening ...d6.} 7. Bh4 {[#]} g5 $146 ({Predecessor:} 7... d6 8. Bd3 Na6 9. Nd2 Nc5 10. f3 Be6 11. O-O Qe7 12. Bf2 Nh5 13. Be3 Nf4 14. Bxf4 exf4 {0-1 (40) Sambuev,B (2489)-Zaitsev,A (2431) Tula 2006}) 8. Nxg5 {White is slightly better.} hxg5 9. Bxg5 Kg7 10. h4 {Black must now prevent Qf3.} d6 11. h5 $1 $36 {[%cal Rh5h6][%mdl 2048] Black is under strong pressure.} Be6 12. f4 $1 exf4 {[#]} 13. Rh4 $1 Nbd7 14. Rxf4 Rh8 {[#]} 15. g4 $1 {[%mdl 1024] White has strong compensation.} Qe7 16. Qd4 {aiming for Bb5.} c5 17. Qf2 {Threatens to win with Bb5.} Rag8 (17... Bxg4 $16 {is a better defense.} 18. h6+ Kf8) 18. Bh3 Kf8 (18... Rh6 {was called for.}) 19. Bxf6 Nxf6 20. Rxf6 Bxg4 21. Bxg4 Rxg4 22. O-O-O {And now e5 would win.} Rxh5 23. Rfxd6 Qxe4 {[#]} (23... Qg5+ $142 24. Kb1 Qf4 25. Qxf4 Rxf4) 24. Rf6 $1 {[%mdl 512]} Qe7 25. Rf1 {[%cal Rf6f7]} Rg7 26. Kb1 Re5 27. Rh6 Ke8 28. Qd2 ({Not} 28. Rh8+ Kd7 $16) 28... Qd7 $2 (28... Rg8 29. Rh7 Qc7) 29. Rd6 Qe7 30. Rd1 {Intending Rd8+ and mate.} Qc7 31. Rd8+ Ke7 32. Rd7+ {Black got outplayed after the opening. Av CentiPawn Loss W=-32/B=-97. Weighted=-50/-146} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.4"]
[White "Abrahamyan, Tatev"]
[Black "Yip, Carissa"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2358"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,27,24,22,22,18,47,10,12,8,20,0,8,0,11,0,23,7,20,22,13,0,0,-101,-94,-143,-166,-372,-365,-418,-416,-610,-610,-812,-841,-972,-980,-29993,-29994,-29994,-29995,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. Nbd2 O-O 9. Re1 b5 10. Bc2 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} Bb7 11. a4 Re8 12. Nf1 {White is slightly better.} Nb8 13. Ng3 c5 14. h3 {[#]} Nc6 $146 ({Predecessor:} 14... Nbd7 15. Be3 d5 16. Qd2 Qe7 17. Bh6 Qf8 18. Bxg7 Qxg7 19. Ra3 dxe4 20. dxe4 Nb6 {0-1 (31) Cimer,E (2240)-Di Giannantonio,N (2371) Rosario 2017}) 15. Bg5 h6 16. Be3 Qe7 17. Bb3 Rad8 18. axb5 axb5 19. Nh4 {And now Nxg6 would win.} d5 20. Qf3 (20. Nhf5 $11 gxf5 21. Nxf5) 20... c4 $17 21. exd5 e4 22. Nxe4 $2 (22. dxe4 Ne5 23. Qd1 cxb3 24. Nf3) 22... Ne5 $19 {[%mdl 64] [#] Double Attack} 23. Qg3 {Black must now prevent d6.} Nh5 (23... cxb3 $2 24. Nxf6+ Qxf6 25. Bd4 $19) 24. d6 (24. Bc5 $142 Qd7 25. Qe3 Nxd3 {[%mdl 64] Double Attack} 26. Bc2 Nxe1 27. Rxe1) 24... Rxd6 25. Nxd6 Nxg3 26. Nxe8 Qxh4 27. Nxg7 {[#]} Nf3+ $1 {[%mdl 576] Deflection. Black mates.} 28. gxf3 Qxh3 {[%csl Gg3][%cal Rh3h1]} 29. fxg3 Qxg3+ {[%mdl 64] Double Attack} 30. Kf1 Qxf3+ 31. Bf2 Qh3+ 32. Ke2 Qxd3# {Av CentiPawn Loss W=-92/B=-53. Weighted=-90/-37} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.5"]
[White "Foisor, Sabina-Francesca"]
[Black "Zatonskih, Anna"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2228"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,60,4,12,11,22,20,11,4,19,8,14,-5,-5,-25,-22,-28,-10,-66,-63,-64,-71,-80,-60,-56,-56,-133,-139,-127,-143,-125,36,30,58,49,95,84,237,233,238,239,392,366,868,847,1794,1750,29996,29997,29997,29998,29999]} 1. d4 d5 2. Bf4 Nf6 3. Nf3 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 cxd4 7. exd4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nh5 8. Be3 Bd6 9. Ne5 {The position is equal.} g6 10. Nd3 $1 {10.Nd3 scores better than 10.g4.} O-O 11. Be2 Ng7 12. Nf3 f6 {[#]} 13. h4 $146 ({Predecessor:} 13. O-O e5 14. dxe5 fxe5 15. Qb3 Bc7 16. Nb4 Nxb4 17. Qxb4 Nf5 18. Rad1 Nxe3 19. fxe3 {1-0 (43) Christiansen,J (2559)-Fus,J (2326) Lisbon 2019}) 13... Qe7 14. Nh2 (14. a3 $11) 14... e5 $15 15. dxe5 fxe5 16. Ng4 Bxg4 17. Bxg4 Qf7 18. Qb3 ({White should try} 18. g3 $15) 18... e4 $1 $17 19. Nc5 Ne5 20. Be2 b6 $2 (20... Nf5 $1 $17 {[%cal Rf5e3]} 21. O-O b6) 21. Na6 $14 Nf5 22. O-O-O Nxe3 23. fxe3 {[#]} Nc4 $2 {[#] Now Black is done in.} (23... Nd3+ $1 $16 {[%mdl 512] was worth a try.} 24. Bxd3 exd3) 24. Rxd5 $1 $18 {[%mdl 512]} Na5 (24... Qxd5 25. Bxc4) 25. Qd1 {aiming for Rf1.} Bg3 $2 (25... Be7 26. Rf1 Bf6) 26. h5 {Threatens to win with hxg6.} Rac8 $2 (26... Rae8 27. hxg6 hxg6) 27. hxg6 hxg6 28. Rd7 Qxa2 {[#]} 29. Rh8+ $1 {[%mdl 576] Decoy, Clearance. White mates.} Kxh8 30. Qh1+ Kg8 31. Qh7# {Av CentiPawn Loss W=99/B=-126. Weighted=28/-153} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.22"]
[Round "6.6"]
[White "Nguyen, Emily"]
[Black "Eswaran, Ashritha"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2280"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,26,21,18,14,12,5,21,6,24,19,89,70,110,130,191,118,209,218,201,129,127,83,79,84,84,75,84,77,186,193,246,249,336,245,261,255,2257,1920,29980,29981,29977,29977,29998,29999]} 1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 Bf5 {is currently scoring better than 10...a6. A62: Modern Benoni: Fianchetto Variation without early ...Nbd7.} 11. a4 Ne4 12. Nd2 Nxc3 {The position is equal.} 13. bxc3 {[#] Threatening e4.} Bxc3 $146 (13... g5 $5 {[%cal Rg5f4]} 14. e4 gxf4 15. exf5 Bxc3 $11) ({Predecessor:} 13... g5 14. e4 Bg6 15. Be3 Nd7 16. f4 gxf4 17. gxf4 f5 18. Nc4 Qf6 19. e5 dxe5 20. fxe5 Nxe5 21. Nxe5 Qxe5 22. Bxc5 {½-½ (43) Goryachkina,A (2504)-Batsiashvili,N (2454) Astana 2019}) 14. Nc4 g5 (14... Be4 $11) 15. Rc1 $16 gxf4 16. Rxc3 Na6 (16... Nd7 $16) 17. gxf4 ({White should try} 17. Qd2 $18) 17... Kh8 (17... Nc7 $16 {is a better defense.}) 18. Re1 $1 $18 Qf6 19. Qa1 {aiming for e4.} Be4 20. Nxd6 Qxd6 {[#]} 21. Rc4+ $1 f6 {White must now prevent ...Bxg2.} 22. Bxe4 Qxf4 23. e3 Qg4+ (23... Qd6 $16) 24. Kh1 Rg8 ({Not} 24... Rxe4 $2 25. Qxf6+ Qg7 26. Qxg7+ Kxg7 27. Rxe4 $18) (24... Rf8 {was necessary.} 25. Rg1 Qd7) 25. Qxf6+ Rg7 26. Rec1 Nb4 {[#] Hoping for ...Nd3.} 27. Bf3 $1 $40 {[%mdl 128] Black is in trouble.} Qh3 $2 (27... Qg5 28. Qxg5 Rxg5 29. Rxc5 Nd3 30. Rc8+ {[%mdl 64] Double Attack} Rg8 31. Rxg8+ Rxg8) 28. Rg4 {[%csl Gg4][%cal Rf6g7]} Rag8 29. Rxg7 {White mates.} Rxg7 30. Rg1 {[%csl Gg1][%cal Rf6g7]} Qd7 31. Qf8+ {[%mdl 64] Double Attack. Av CentiPawn Loss W=-30/B=-128. Weighted=-38/-101} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.1"]
[White "Eswaran, Ashritha"]
[Black "Cervantes Landeiro, Thalia"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "2244"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,104,10,10,11,10,11,0,11,5,18,1,0,0,1,-16,0,0,20,16,19,19,24,23,21,19,34,0,20,21,23,29,29,0,53,30,56,26,66,56,72,58,69,57,53,63,57,54,116,101,106,47,62,18,45,0,0,0,0,0,0,0,37,34,65,68,113,106,93,94,162,152,141,108,117,117,105,109,108,48,120,102,102,106,108,39,39,39,42,44,44,44,45,0,29,-1300,-1230]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 6. c3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 7. a4 h6 8. Nbd2 O-O {The position is equal.} 9. Re1 Ne7 10. Nf1 Ng6 11. Ng3 c6 12. Bb3 {[#]} d5 $146 ({Predecessor:} 12... Re8 13. h3 d5 14. exd5 Nxd5 15. d4 exd4 16. Rxe8+ Qxe8 17. Bxd5 cxd5 18. Nxd4 Bd7 {½-½ (107) Duda,J (2731)-Nakamura,H (2749) Saint Louis 2019}) 13. exd5 cxd5 14. d4 exd4 15. Nxd4 Bg4 16. f3 Bd7 17. Bc2 Nh4 18. Qd3 Qb6 19. Be3 Rfe8 20. Bf2 Ng6 21. Qd2 Nh7 (21... Rxe1+ $11 22. Qxe1 Re8) 22. Bf5 (22. Rxe8+ {keeps more tension.} Rxe8 23. Nb3 Bxf2+ 24. Qxf2 Qxf2+ 25. Kxf2 b6 26. Nd4) 22... Bxf5 23. Ndxf5 (23. Ngxf5 {seems wilder.} Ng5 24. Rad1 Ne6 25. Nb5 Rad8 26. b3) 23... Bxf2+ 24. Qxf2 Qxf2+ 25. Kxf2 Nf4 {With the idea ...Nd3+.} 26. Rxe8+ Rxe8 27. Rd1 Nf6 28. Ne3 Re6 (28... b5 $14) 29. Rd4 g5 30. Ngf5 (30. Ne2 $16) 30... Rb6 $1 $14 31. Nd1 Kh7 32. g3 Ne6 33. Rd2 Nc5 34. Rd4 Ne6 35. Rd2 g4 36. Nfe3 $36 {[%mdl 2048] White is more active.} Ng5 37. Nxd5 Nxd5 38. Rxd5 Nxf3 {[%mdl 4096] Endgame KRN-KRN} 39. h3 ({Inferior is} 39. Rxa5 Rd6 $17) 39... Rf6 (39... Kg6 $16) 40. hxg4 $18 Ne5+ 41. Ke2 Re6 42. Kd2 b6 43. Ne3 Nf3+ 44. Ke2 (44. Kd3 $16) 44... Ne5 (44... Ng5 $1 $14) 45. Kf2 Kg6 46. Rd4 Kg5 47. b4 (47. b3 $16) 47... Rc6 $14 48. bxa5 bxa5 49. Rd5 f6 $1 50. c4 Kg6 51. Rd4 Rc5 52. Ke1 $2 {[%mdl 8192] [#]} (52. Kg2 $11) 52... Nf3+ {[%mdl 64] Double Attack. Quite a comeback for Black. Av CentiPawn Loss W=-34/B=-14. Weighted=-69/-16} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.2"]
[White "Zatonskih, Anna"]
[Black "Nguyen, Emily"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "2420"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,101,9,15,39,-20,-10,-20,-16,-18,-18,-20,-12,-14,-6,-22,12,11,16,0,14,10,21,20,20,20,20,20,24,22,22,22,31,31,31,26,33,26,39,26,45,43,50,25,23,5,5,5,5,3,7,0,20,0,16,16,18,4,4,0,3,3,4,0,0,0,4,4,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,0,49,0,49,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nbd2 Nbd7 6. g3 Be7 7. Bg2 O-O 8. O-O b5 {[#] E09: Closed Catalan: Main Line: 7 Qc2 c6 8 Nbd2.} 9. Ne5 $146 ({Better is} 9. c5 $14) ({Predecessor:} 9. c5 a5 10. e4 a4 11. e5 Ne8 12. Re1 Nc7 13. Nf1 a3 14. b3 b4 15. Bd2 f6 16. exf6 Bxf6 17. Bxb4 {1-0 (57) Balog,I (2539)-Vajda,L (2594) Budapest 2013}) 9... Nxe5 $11 10. dxe5 Nd7 {The position is equal.} 11. cxd5 cxd5 12. Nf3 Bb7 13. Be3 Rc8 14. Qd2 Nb6 15. b3 a6 16. Rac1 Nd7 17. Bd4 Nc5 18. Qe3 {[%cal Rd4c5]} Ne4 19. Rxc8 Qxc8 20. Rc1 Qd7 21. Nd2 Nxd2 22. Qxd2 Ba3 23. Rc2 Rc8 24. e3 h6 25. Bf1 Rc6 26. Bd3 Qc7 27. Rxc6 Qxc6 28. Bc2 Bc5 29. Qc3 Bxd4 30. Qxc6 Bxc6 31. exd4 {[%mdl 4096] Endgame KB-KB} b4 32. Bd3 a5 33. f4 h5 34. Kg2 g6 35. Kh3 Kg7 36. Kh4 f6 37. h3 Bd7 38. exf6+ Kxf6 39. g4 hxg4 40. hxg4 Bc6 41. g5+ Kf7 42. Kg3 Be8 43. Kf3 Ke7 44. Ke3 Kd6 45. Be2 Bd7 46. Bf1 Be8 47. Bd3 Ke7 48. Be2 Kd6 49. Bd3 Ke7 50. Be2 Kd6 51. Bd3 {Av CentiPawn Loss W=-6/B=-8. Weighted=-6/-9} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.3"]
[White "Yip, Carissa"]
[Black "Foisor, Sabina-Francesca"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2421"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,43,66,67,100,93,107,108,97,86,109,102,135,112,111,106,166,153,164,157,157,160,162,166,474,473,462,458,455,454]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 6. O-O O-O 7. Nd2 Nd7 8. Nxe4 dxe4 9. Bxe4 Qh4 {C43: Petroff Defence: 3 d4.} 10. Qg4 {[#]} Qxg4 $146 ({Predecessor:} 10... Qe7 11. Nxd7 Bxd7 12. Qf3 Rae8 13. Re1 Qh4 14. g3 Qh3 15. Bd2 c6 16. Qg2 Qh5 17. Bf3 Qg6 {½-½ (17) Kaehmann,J-Mueller,F Bochum 1978}) 11. Nxg4 c6 {[#] ...f5 is the strong threat.White is better.} 12. Ne3 g6 13. b3 f5 14. Bf3 Nf6 15. Nc4 Bc7 (15... Bb4 $16 {keeps fighting.}) 16. Re1 $18 Bd7 17. Bg5 {Hoping for Re7.} Rae8 18. Rxe8 Bxe8 19. Re1 {Threatens to win with Bxf6.} Kg7 $2 (19... Kf7 {is a better chance.} 20. h3 h5 21. Ne5+ Bxe5) 20. Re7+ {[%mdl 64] [#] Double Attack. White is clearly winning.} Rf7 21. Bxf6+ $1 Kxf6 22. Rxe8 {White took control after the opening. Av CentiPawn Loss W=-6/B=-38. Weighted=-7/-46} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.4"]
[White "Yu, Jennifer"]
[Black "Abrahamyan, Tatev"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2315"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,78,47,5,32,30,22,15,39,27,39,30,65,41,95,73,166,147,142,51,50,59,85,73,99,42,28,-287,-8,0,0,0,0,0,0,-70,-80,-66,-70,-77,-70,-83,-78,-60,-66,-189,-202,-193,-183,-339,-325,-474,-472,-895,-893,-1287,-863,-841,-839,-827,-814]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Qc7 10. Ne2 Nbc6 11. f4 dxc3 {Nowadays more popular than 11...Bd7. C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4.} 12. h4 Bd7 13. h5 O-O-O {The position is equal.} 14. Qd3 $1 (14. Qxf7 Rdf8 $19) 14... d4 15. Rb1 ({Much weaker is} 15. Nxd4 Nxd4 16. Qxd4 Bb5 $15) 15... Be8 16. h6 $36 {[%mdl 2048] aiming for g4! White has some pressure.} f6 (16... Nd5 $14) 17. exf6 $16 Bg6 (17... Nd5 $16 {keeps fighting.}) 18. Qc4 $18 {[#]} ({Much less strong is} 18. fxe7 $6 Nxe7 19. Qh3 Bf5 $14) 18... Nd5 $146 ({Predecessor:} 18... Nf5 19. Qxe6+ Kb8 20. f7 Bxf7 21. Qxf5 Bg6 22. Qb5 Bxc2 23. f5 Rge8 24. Bf4 Ne5 {½-½ (64) Bakunts,R (2396)-Shahinyan,D (2431) Yerevan 2016}) 19. Nxd4 (19. f7 $1 $16 {[%cal Rf7g8]} Rh8 20. Nxd4 Nxd4 21. Qxd4 Bxc2 22. Rb5) 19... Nxd4 $14 20. Qxd4 Bxc2 21. Rb5 b6 22. Kf2 ({Better is} 22. Rh5 $1 $16) 22... Rgf8 $1 23. Bc4 $2 {[%mdl 8192] [#]} (23. Be2 $11 {and White has nothing to worry.}) 23... Nxf6 $2 ({Black should play} 23... e5 $1 $19 {[%cal Re5d4][%mdl 512]} 24. Qxd5 (24. fxe5 $2 Nxf6 {[%mdl 64] Discovered Attack} 25. Be6+ Kb8 $19) (24. Qxe5 Qxc4) 24... Rxd5 25. Bxd5 Qd7) 24. Bxe6+ $11 Kb8 25. Qe5 $1 {[%cal Re5c7]} Ne4+ 26. Kg1 Ng3 27. Qxc7+ (27. Rh3 $1 $11 Rd1+ 28. Kh2 Nf1+ 29. Kg1 Nd2+ 30. Kh2 Qxe5 31. Rxe5 Nf1+ 32. Kg1) 27... Kxc7 $15 28. Rh3 Rd1+ 29. Kh2 Nf1+ 30. Kg1 $1 Rxc1 31. Rxc3+ Kd6 $1 {[%cal Rd6e6]} 32. f5 (32. Ba2 $1 $15 Ne3+ 33. Kh2) 32... Ne3+ $1 $19 33. Kh2 {[#]} Re1 $1 {Threatens to win with ...Rh8.} 34. h7 $2 (34. g4 Nxg4+ {[%mdl 64] Double Attack} 35. Kg3 Re3+ 36. Rxe3 Nxe3 37. h7) 34... Rh8 35. Kg3 (35. Bg8 {was forced.} Re2 36. Rxc2 Rxc2 37. Kg3) 35... Rxh7 {Black is clearly winning.} 36. Rc8 (36. Rb4 $142) 36... Rf1 37. Rd8+ {[#]} Kc7 $1 38. Rc8+ {[#]} Kb7 $1 {( -> ...Rg7+)} 39. Rg8 Bxf5 {Black used his chance. Av CentiPawn Loss W=-64/B=-35. Weighted=-75/-37} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.5"]
[White "Samadashvili, Martha"]
[Black "Derakhshani, Dorsa"]
[Result "1/2-1/2"]
[ECO "C53"]
[WhiteElo "2215"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,78,18,18,26,19,30,2,3,5,9,2,7,0,15,-7,-7,-7,-9,0,-2,-28,-27,-20,18,-7,0,0,0,0,0,-17,-19,-10,-12,-11,-5,-10,-12,-10,0,-4,0,-16,-10,-40,-20,-12,-19,-15,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O Ba7 7. Bb3 d6 8. Re1 h6 9. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} O-O 10. Nf1 Be6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 11. Ng3 Qd7 12. Be3 Bxe3 13. Rxe3 {[#]} d5 $146 ({Predecessor:} 13... Rae8 14. d4 Bxb3 15. Qxb3 exd4 16. cxd4 b5 17. Qc3 Ne7 18. Qc2 Rc8 19. d5 c5 20. dxc6 Nxc6 {1-0 (34) Belsak,Z (2109)-Grosar,G (1840) Ptuj 2011}) 14. exd5 Nxd5 15. Re1 Nf4 16. Nxe5 Nxe5 17. Rxe5 Nxd3 18. Re3 Rad8 ({Wrong is} 18... Nxb2 $2 19. Qe2 $18) 19. Qe2 Bxb3 20. axb3 c5 21. Qc2 Nf4 22. Qe4 Ne6 23. h4 Qd5 24. Nf5 Qxe4 ({Much worse is} 24... Qxb3 $6 {[#]} 25. Qg4 $1 $16 {[%mdl 512]}) 25. Rxe4 Rd2 26. Rb1 Rfd8 27. Kf1 Kh7 28. Re2 Rd1+ 29. Re1 R1d2 30. Re2 Nf4 31. Re4 g5 32. hxg5 {The position is equal.} hxg5 33. g3 $1 {[%cal Rg3f4]} Ne6 34. Re2 Rd1+ (34... R2d3 {looks sharper.} 35. Ne3 Kg6 36. Ra1 R8d6 37. Nc4 Rd1+) 35. Rxd1 Rxd1+ 36. Re1 Rd2 {...Kg6 is the strong threat.} 37. Re2 Rd1+ 38. Re1 Rd2 {And now ...Kg6 would win.} 39. Re2 Rd1+ {An uneventful encounter. Av CentiPawn Loss W=-5/B=-3. Weighted=-6/-4} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "7.6"]
[White "Krush, Irina"]
[Black "Wang, Annie"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2429"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,35,30,34,34,49,47,54,34,52,39,39,44,75,81,77,84,97,76,146,75,70,68,88,65,76,76,119,109,105,93,127,124,151,160,166,115,121,128,118,72,93,95,97,100,127,123,131,103,159,153,451,438,1037,928,789,458,445,424,1885,440,1720,425,537,416,327,134,133,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 c6 8. h3 Nbd7 9. Nf3 Re8 10. O-O Nf8 {D35: Queen's Gambit Declined: Exchange Variation.} 11. Rb1 Be6 {[#]} 12. b4 $146 ({Predecessor:} 12. Qc2 Rc8 13. b4 N6d7 14. Na4 b5 15. Nc5 Nxc5 16. dxc5 a5 17. a3 Ra8 18. Rfd1 axb4 19. axb4 {1-0 (36) Hoang,T (2465)-Ankhchimeg,B (2174) Manila 2001}) 12... a6 {White is slightly better.} 13. Na4 Bd6 14. Bxd6 Qxd6 15. Nc5 Rab8 16. a4 N8d7 17. Qc2 h6 18. Rfc1 Rec8 ({Better is} 18... Qe7) 19. Qd2 (19. Nxb7 $142 $1 Rxb7 20. Bxa6) 19... Qe7 20. Ne5 Ne8 21. Qc2 {Threatens to win with Bh7+.} Nd6 22. f4 {Hoping for f5.} f5 23. Ncxd7 Bxd7 24. Kh2 Ne4 25. Bxe4 dxe4 26. Qc5 Qe8 27. Nc4 (27. g4 $18) 27... Qe6 28. Nb6 Rd8 29. Nxd7 Rxd7 30. b5 axb5 31. axb5 cxb5 32. Rxb5 Rf8 33. Rcb1 Qf7 (33... Qe7 $142 34. Qxe7 Rxe7) 34. Qa7 $16 Rc8 $2 (34... b6 $16 {was necessary.} 35. Qxb6 Kh7) 35. Rxb7 $18 Rcc7 (35... Rcd8 $142 36. Rxd7 Rxd7 37. Rb8+ Kh7) 36. Qa8+ Kh7 37. Rxc7 Rxc7 {[%mdl 4096] Endgame [#] KQR-KQR} 38. Rb8 $1 Rc3 (38... Qe6 $142 39. Rh8+ Kg6) 39. Rf8 (39. g4 $142 Rc2+ 40. Kg3) 39... Qe6 (39... Qd7 $142 40. g4 Qb5 41. Rh8+ Kg6 42. gxf5+ Kh5) 40. Rh8+ (40. Qd8 $142) 40... Kg6 41. Re8 Qc6 {intending ...Qxa8.} 42. Qxc6+ (42. Qb8 $18 {is more deadly.} Qd7 43. Qe5) 42... Rxc6 {[#] KR-KR} 43. Kg3 (43. g4 $1 $16) 43... Rc3 $11 {The position is equal.} 44. Kf2 Rc2+ 45. Kf1 {And now g4 would win.} Rc3 46. Kf2 Rc2+ 47. Kg3 Rc3 48. Kf2 {Black escapes into a draw. Av CentiPawn Loss W=-84/B=-88. Weighted=-98/-62} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Wang, Annie"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2311"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,90,16,27,34,24,31,36,37,25,45,-16,81,72,77,43,25,10,10,-102,-96,-82,-50,-60,-60,-68,-31,-50,-37,-20,-48,-32,-40,-25,0,0,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,0,0,27,27,27,30,35,0,41,-27,-24,-43,-22,-37,0,-200,-189,-192,-179,-164,-151,-206,-196,-238,-227,-616,-556,-29977,-29978]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 9. Rc1 Bd7 10. cxd5 exd5 {White is slightly better.} 11. Qb3 Rfe8 {[#]} 12. a3 $146 (12. Be2 $14) ({Predecessor:} 12. Be2 Qg6 13. O-O Bh3 14. Ne1 Rad8 15. Kh1 Bf5 16. Bf3 Be6 17. Ne2 Bd6 18. Nd3 {0-1 (39) Bonin,J (2352)-Batchimeg,T (2229) Philadelphia 2007}) 12... Bd6 (12... Bxc3+ $1 $11 13. Qxc3 Bg4) 13. Nxd5 Qe6 14. Qa2 Qg4 15. Be2 Qg6 16. Kf1 (16. O-O $11 {keeps the balance.}) 16... Be6 $17 17. b4 Bxb4 18. Nf4 {And now d5 would win.} Bxa2 19. Nxg6 Bxa3 20. Ra1 Nb4 21. Nge5 {Threatens to win with Nd3.} Bb2 {[#]} 22. Rxa2 $1 {[%mdl 576] Remove Defender} Nxa2 23. Bc4 $1 {[%csl LRa2,LRf7][%mdl 64] Double Attack} Nc3 24. Bxf7+ {[%mdl 64] Double Attack} Kf8 25. Bxe8 Kxe8 26. Ke1 a5 27. Kd2 {Black should prevent Kc2.} Ne4+ 28. Kc2 Ba3 29. Rb1 b6 30. Nd3 Bd6 31. Nh4 a4 32. f3 Nf6 33. Nf5 Bf8 34. e4 a3 35. Ne3 c6 36. Nc1 (36. Kb3 $14) 36... b5 ({Of course not} 36... a2 $6 37. Ra1 $16) 37. Na2 Ra4 38. d5 Kd7 39. e5 $2 (39. dxc6+ $11 Kxc6 40. Nc3) 39... Nxd5 $19 40. Nxd5 cxd5 41. Rxb5 {KRB-KRN} Ke6 42. Kb3 (42. Rb8 $17 {was worth a try.} Bc5 43. Re8+ Kf5 44. h3) 42... Rd4 {aiming for ...Rd2.} 43. Rb8 {[#]} Be7 $1 44. Rb7 $2 (44. Kc2) 44... Rd2 {White must now prevent ...Rb2+.} 45. g4 Rb2+ {Av CentiPawn Loss W=-56/B=-12. Weighted=-76/-14} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.2"]
[White "Derakhshani, Dorsa"]
[Black "Krush, Irina"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2270"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,43,39,36,25,45,29,43,18,43,30,22,8,5,31,10,5,29,33,32,10,43,28,59,59,74,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 6. Bg5 e6 7. Qd3 {B56: Classical Sicilian: Unusual Lines.} a6 8. O-O-O Be7 {[#]} 9. h4 $146 {White is slightly better.} ({Predecessor:} 9. f4 h6 10. Bh4 Nc6 11. Nf3 Qc7 12. Bxf6 gxf6 13. Kb1 b5 14. Qd2 b4 15. Ne2 {½-½ (27) Gutierrez Dopino,J (2194)-Dreisch,J (1996) ICCF email 2017}) 9... Nc6 10. Nxc6 (10. Nb3 {with more complications.} b5 11. a3 Qc7 12. Bxf6 gxf6 13. Qg3) 10... Bxc6 11. Qg3 Nxe4 12. Nxe4 Bxe4 13. Bxe7 Qxe7 (13... Kxe7 {feels hotter.} 14. h5 Bc6 15. Kb1 Rg8 16. Bd3 h6) 14. Qxg7 O-O-O 15. Qd4 Bc6 16. Qa7 Qc7 17. Rh3 Rhg8 18. Rd4 (18. Rc3 $16) 18... Qb8 $11 {The position is equal.} 19. Qb6 Qc7 20. Qa7 Qb8 21. Qb6 Qc7 22. Qa7 {Av CentiPawn Loss W=-10/B=-8. Weighted=-12/-10} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.3"]
[White "Abrahamyan, Tatev"]
[Black "Samadashvili, Martha"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2358"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,81,47,47,39,51,50,50,46,34,2,0,0,4,0,8,0,15,0,24,0,52,4,14,39,41,11,33,0,0,-1,49,34,571,586,569,574,567,175,553,162,206,0,397,394,371,368,619,609,566,451,855,782,3922,5608,1236,1382,29978,29978,29974,29968,2276,1133,1599,999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8. Bd3 b5 9. Qe2 Bb7 10. Bd2 Bc5 11. O-O-O {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} Ne7 12. a3 O-O 13. Rhf1 {White is slightly better.} f5 14. g4 d5 15. exd5 exd5 16. gxf5 Nxf5 {[#]} 17. Qh5 $146 ({Predecessor:} 17. Rde1 Rae8 18. Qh5 g6 19. Qh3 Bc8 20. Qf3 Bb7 21. Rxe8 Qxe8 22. Nxd5 Qf7 23. Bxf5 Bxd5 {0-1 (69) Quesada Perez,Y (2598)-Chasin,N (2303) Lichess.org INT 2020}) 17... Qf6 18. Rde1 g6 19. Qf3 (19. Qh3 {is interesting.} Rae8 20. Kb1 Qf7 21. Re5 Rxe5 22. fxe5 Qe6 23. b4) 19... Qd6 (19... Qf7 $11 20. Qg4 Rac8) 20. Qg4 b4 21. axb4 Bxb4 22. Re5 {[%cal Re5f5] Rxf5 is the strong threat.} Ng7 23. Rg5 {[%cal Rd3g6] Threatens to win with Bxg6!} d4 24. Nb1 Bxd2+ 25. Nxd2 {And now f5 would win.} Kh8 $2 {[%mdl 8192] [#]} ({Black should play} 25... Rae8 $1 $14) 26. Bxg6 $1 $18 {[%mdl 512]} hxg6 27. Rxg6 {[%mdl 64] Double Attack} Qe7 28. Rh6+ Kg8 29. Rg1 $2 $40 {[%mdl 128] White wants a kill.} (29. Qg6 Bd5 30. Qh7+ Kf7 31. f5) 29... Rae8 {White must now prevent ...Qe1+!} 30. Re6 $2 (30. Qg3 $18) 30... Qf7 $2 {[%mdl 8192] [#]} (30... Qc7 $11 {and Black stays safe.} 31. Rh6 d3) 31. Rg6 $1 {[%cal Rg6g7][%mdl 512]} Re7 32. Qh4 Rc7 $2 (32... Rc8) 33. Rh6 {[%csl Gh4][%cal Rh6h8]} Rxc2+ 34. Kxc2 {[%csl Gh4][%cal Rh6h8]} Qf5+ (34... Rc8+ $142 35. Kd3 (35. Kd1 Bf3+ 36. Ke1 Qe8+ 37. Kf2 Qe3+ {[%mdl 64] Double Attack} 38. Kg3 Bc6+ 39. Kg4 Bd7+ 40. Re6 Bxe6+ $19) 35... Be4+ 36. Ke2 (36. Kxe4 Qb7+ 37. Kxd4 Qxb2+ 38. Ke4 Qc2+ 39. Kf3 Rc3+ 40. Ke2 Qd3+ 41. Kd1 Qc2+ 42. Ke2 Qd3+ 43. Kd1 Qc2+ 44. Ke2 $11) 36... d3+ 37. Kd1 Qd7) 35. Kd1 {White wants to mate with Rh8+.} Bf3+ 36. Nxf3 {White threatens Rh8+ and mate.} Qb1+ {[#]} 37. Ke2 $1 {Rxg7+! would kill now.} Qc2+ {[#]} 38. Kf1 $1 Qd3+ 39. Kg2 Qe2+ 40. Qf2 Qe4 41. Qxd4 {Av CentiPawn Loss W=27/B=-124. Weighted=-32/-103} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.4"]
[White "Foisor, Sabina-Francesca"]
[Black "Yu, Jennifer"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2228"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,0,0,0,0,3,0,-8,10,0,8,0,0,-14,22,6,25,15,16,30,27,0,0,0,0,-7,0,0,0,0,4,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,-8,-8,-42,-24,-32,-42,-141,-143,-143,-134,-190,-171,-293,-292,-292,-244,-483,-479,-476,-392,-390,-204,-390,-289,-246,-134,-1174,-1200,-4943,-4133,-2265,-1939,-29959,-1161,-5543,-1104,-1102,-1065,-1096,-1010,-897,-556,-865,-1029,-968,-866,-29978,-29979,-29979,-29980,-29980,-29981,-29978,-29980,-29979,-29980,-29981,-29982,-29982,-29983]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. Nbd2 Qb6 {[%cal Rc5d4]} 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Qxb2 7. Rb1 Qc3 8. Bb5 {The position is equal.} g6 9. O-O Bg7 10. Ne5 Qxc5 11. c4 {[#] Nb3 is the strong threat.} dxc4 12. Qa4 {Threatens to win with Rfc1.} O-O 13. Nxc6 bxc6 14. Bxc6 Bf5 {[#]} 15. Bxa8 $146 {aiming for Rb5.} (15. Rbc1 {keeps more tension.} Bd3 16. Bxa8 Bxf1 17. Nxf1 Rxa8 18. Rxc4 Qf5 19. Rc7) ({Predecessor:} 15. e4 Rac8 16. Bb7 Bd7 17. Qa6 Rcd8 18. Nxc4 Nh5 19. Be3 Bd4 20. Rfc1 Bxe3 21. Nxe3 {1-0 (49) Tristan,L (2456)-Villanueva,M (2481) Buenos Aires 2018}) 15... Bxb1 16. Rxb1 {Black must now prevent Rb5.} Rxa8 17. Qxc4 Qxc4 18. Nxc4 Rc8 19. Rb8 Rxb8 20. Bxb8 $11 {[%mdl 4096] Endgame KBN-KBN} a6 21. f3 Nd5 22. Kf2 Kf8 23. a3 Ke8 24. Ke2 Kd7 25. Kd3 Kc6 26. Be5 f6 27. Bg3 e5 28. e4 Nc7 29. Bf2 Bf8 30. a4 Ne6 31. g3 Bc5 32. Na5+ Kc7 33. Be1 $1 Bg1 34. h4 (34. Nb3 $1 $15) 34... Nc5+ $17 35. Kc4 Nxa4 36. Kd5 {[#]} (36. Nb3 $17) 36... Kd7 $1 $19 {[%cal Ra4b6]} 37. Nc4 (37. Kc4 {is the only way for White.}) 37... Nb6+ 38. Nxb6+ Bxb6 {KB-KB} 39. f4 $2 (39. g4 {might work better.}) 39... exf4 40. gxf4 a5 {[%cal Ba6a5,Ba5a4,Ba4a3][%mdl 32]} 41. Bc3 Ke7 (41... Bd8 $142 42. f5 a4) 42. Kc6 $2 (42. f5 {was the only chance.}) 42... Bd8 43. f5 Kf7 (43... Ke8 $19 44. Kd6 Kf7) 44. Bd4 $2 {[%mdl 8192] This move loses the game for White.} (44. fxg6+ $17 hxg6 45. Kd7) 44... a4 45. Bc5 Be7 46. Bd4 a3 47. Kb5 Bd6 (47... gxf5 $142 48. Kc4 fxe4 49. Kb3 f5 50. Be3 Bxh4 51. Bc1 h5 52. Bxa3 Bg3 53. Kc3 f4 54. Bd6 h4 55. Ba3 h3 56. Bc5 h2 57. Ba3 h1=Q 58. Kb4 e3 59. Kc4 Qc6+ 60. Kd4 f3 61. Kxe3 Qc3+ 62. Ke4 f2 63. Bb4 Qc4+ 64. Kf3 Qf4+ 65. Kg2 f1=Q#) 48. Ka4 Kg7 (48... gxf5 $142 49. exf5 a2) 49. Kb3 Be7 50. Be3 Kf7 51. Bc1 Ke8 52. Bf4 Kd7 53. fxg6 hxg6 54. e5 f5 {Black mates.} 55. Bg3 Ke6 56. Ka2 Kd5 57. Kb3 Ke4 58. Be1 Kxe5 59. Bc3+ Ke4 60. Be1 f4 {Av CentiPawn Loss W=-75/B=-75. Weighted=-110/-62} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.5"]
[White "Nguyen, Emily"]
[Black "Yip, Carissa"]
[Result "0-1"]
[ECO "D75"]
[WhiteElo "2280"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,86,20,39,18,32,21,32,37,26,-33,-12,-4,-9,-89,-58,-71,0,0,0,-21,42,-28,-17,-76,-83,-145,-145,-280,-267,-268,-269,-278,-206,-273,-271,-376,-372,-400,-284,-469,-463,-428,-423,-507,-507,-507,-507,-507,-501,-477,-475,-507,-462,-548,-480,-534,-492,-551,-551,-545,-543,-543,-529,-656,-493,-784,-776]} 1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d5 6. cxd5 Nxd5 7. Bg2 c5 8. O-O cxd4 9. Nxd4 Nxc3 10. bxc3 a6 11. Qb3 Qc7 12. Rb1 {[%cal Rg2b7] D75: Fianchetto Grünfeld: Main Line with 7...c5.} Nd7 13. Ba3 ({Wrong is} 13. Bxb7 $2 Rb8 $19) 13... Ne5 {[#]} 14. Rfc1 $146 {White is slightly better.} ({Predecessor:} 14. Qb4 Re8 15. Rfd1 Nd7 16. c4 e5 17. Nc2 e4 18. Ne3 Nf6 19. Nd5 Nxd5 20. cxd5 {½-½ (94) Gabuzyan,H (2540)-Grigoryan,K (2550) Yerevan 2013}) 14... Rd8 15. Nf3 (15. e3 $11) 15... Rb8 16. Nxe5 Qxe5 17. Qb4 (17. c4 $11 {keeps the balance.}) 17... Be6 18. Qe4 Qa5 ({Better is} 18... Qxe4 $17 19. Bxe4 Rd2) 19. Bxe7 $11 Rd7 20. Qb4 Qxa2 (20... Qe5 $11) 21. Rb2 (21. Bc6 $1 $14 Rc7 22. Qd6) 21... Qc4 22. Bc5 (22. Qxc4 $11 Bxc4 23. Bc5) 22... Qxb4 $17 {Black converts the advantage convincingly.} 23. Rxb4 (23. Bxb4 $142 Rc8 24. h4) 23... Rc8 $36 {[%mdl 2048] Black is really pushing.} 24. Be3 (24. Bb6 $17 {is the only way for White.}) 24... Rxc3 $19 25. Rcb1 b5 26. Be4 Rc4 27. Rxc4 Bxc4 ({Worse is} 27... bxc4 28. Rb8+ Bf8 29. Bh6 Rd1+ 30. Kg2 Rg1+ 31. Kxg1 Bc8 32. Rxc8 Kh8 33. Rxf8#) 28. Bf3 h5 29. Bb6 Rd2 30. Kf1 $2 {[#]} (30. e3) 30... Ra2 {Black is clearly winning.} 31. Bc5 a5 32. Kg2 b4 33. Bxb4 axb4 34. Rxb4 Bxe2 35. Rb8+ Kh7 36. Bd5 Ra7 37. h4 Rc7 38. Re8 Bc4 39. Bxc4 Rxc4 40. Re7 Kg8 41. Re8+ {[#]} Bf8 $1 42. Ra8 Kg7 43. Ra7 (43. Ra2 $142) 43... Rc2 {Av CentiPawn Loss W=-49/B=-23. Weighted=-50/-25} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "8.6"]
[White "Eswaran, Ashritha"]
[Black "Zatonskih, Anna"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2244"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,47,32,37,78,77,80,82,174,85,93,89,87,83,66,17,86,55,67,60,86,68,96,104,318,296,362,366,29995,417,391,392,4970,4970,1386,1333]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Bg4 8. c4 $1 {aiming for cxd5. The main line 8.c4 scores better than 8.Re1.} Bxf3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 9. Qxf3 {cxd5 is the strong threat.} Nxd4 10. Qe3 $1 Nf5 (10... Bc5 $16) 11. Qf4 (11. Qe1 $1 $18 {Hoping for cxd5.} Ne7 12. cxd5 (12. Bxe4 dxe4 13. Qxe4 Qd7 $16)) 11... Nfd6 12. cxd5 Nf6 13. Re1+ Be7 {[#]} 14. Nc3 $146 ({Predecessor:} 14. Qe5 Qd7 15. Nc3 O-O 16. Qg3 Rfe8 17. Bg5 Rad8 18. h3 Kh8 19. Re2 h6 20. Qh4 {1-0 (57) Macieja,B (2653)-Vasilevich,T (2393) playchess.com INT 2004}) 14... Qd7 (14... O-O $11 {remains equal.}) 15. Be3 O-O 16. Bd4 $36 {[%mdl 2048] White fights for an advantage.} Rae8 17. h3 ({Much weaker is} 17. Bxa7 $6 b6 $11) 17... a6 18. Re3 {Strongly threatening Rg3.} Nb5 $2 {Loses the game.} (18... Nh5 $16 19. Qf3 Nf6) 19. Nxb5 axb5 {[#]} 20. Rg3 $1 {[%mdl 512] Rxg7+! would kill now.} Qd8 $2 {[#]} (20... g6 $18 21. Bxf6 Bxf6) 21. Qh6 (21. Rxg7+ $142 $1 {[%mdl 512]} Kxg7 22. Qg5+ Kh8 23. Qh6 $1 {[%mdl 512]} Kg8 24. Bxf6 Bxf6 25. Qxh7#) 21... g6 $18 {[#]} 22. Rg5 $1 c5 $2 (22... Qd6 23. h4 c5) 23. Bxf6 Bxf6 {[#]} 24. Rh5 $1 {[%mdl 512] Av CentiPawn Loss W=-78/B=66. Weighted=-36/-191} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.1"]
[White "Zatonskih, Anna"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2420"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,139,37,22,36,18,27,56,25,41,0,12,24,26,17,45,0,9,0,0,-19,-17,-12,0,4,18,0,0,0,0,-17,-17,-18,0,0,37,31,37,34,34,27,26,22,27,16,28,0,16,-30,-30,-42,56,30,39,29,152,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,8,8,8,0,0,0,8,0,0,0,0,0,0,0,8,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c4 dxc4 7. Na3 c3 8. bxc3 c5 9. Re1 {9.Bb2 is the recent fashion. Played by Shakhriyar Mamedyarov in June 2020. D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6.} Nc6 10. Bb2 Bf5 {[#]} 11. Nc4 $146 {White is slightly better.} ({Predecessor:} 11. d5 Na5 12. c4 Be4 13. Bh3 Bxf3 14. exf3 Ne8 15. Bxg7 Nxg7 16. Re5 b6 17. Qe2 Re8 18. Re1 Kf8 19. Qe3 Nb7 20. Qh6 f6 21. Qxh7 e6 {1-0 (21) Meier,G (2621)-Ter Sahakyan,S (2640) Lichess.org INT 2020}) 11... Rc8 12. Nfe5 (12. d5 $5 b5 13. Ne3 $11 (13. dxc6 bxc4 14. Qxd8 Rfxd8 $11)) 12... cxd4 13. Nxc6 bxc6 14. cxd4 Be4 {...Bxg2 is the strong threat.} 15. f3 Bd5 16. Ne5 Nd7 17. e4 Nxe5 18. dxe5 Be6 19. f4 Qb6+ 20. Qd4 Rfd8 21. Qxb6 axb6 22. Bc3 Rd3 23. Rec1 Ra8 24. a4 f6 (24... g5 {seems wilder.} 25. Bf1 Re3 26. Bg2 gxf4 27. gxf4 Rd3) 25. exf6 exf6 26. a5 bxa5 27. Rxa5 Rxa5 28. Bxa5 Bd7 29. Bc3 Kf7 30. e5 Bf8 31. exf6 Ba3 32. Rc2 c5 ({Black should try} 32... Bf5 $15 33. Bd2 Bb4) 33. Be4 Rd1+ 34. Kf2 {Strongly threatening Bf3.} c4 {[#]} (34... Be6 $11) 35. Rd2 $2 (35. Ke2 $1 $16 {[%cal Re2d1]} Rc1 36. Rxc1 Bxc1 37. Kf3) 35... Bc5+ {The position is equal.} 36. Ke2 Bg4+ 37. Bf3 Bxf3+ 38. Kxf3 Rxd2 39. Bxd2 Kxf6 $11 {[%mdl 4096] Endgame KB-KB} 40. Ke4 Bg1 41. h3 h5 42. g4 hxg4 43. hxg4 Ke6 $1 44. Bc3 Bb6 45. Bd2 Ba7 46. Ba5 Bc5 47. Bc3 Ba7 48. Bd4 Bb8 49. Be3 Bc7 50. Bd4 Bb8 51. Be3 Bc7 52. Bd2 Bb6 $1 53. Bc1 Ba7 54. Bb2 Bb6 55. Bd4 Bc7 56. Ke3 Kd5 57. Bc3 Bb6+ 58. Kf3 Bd4 59. Bxd4 Kxd4 {KPP-KPP} 60. Ke2 Ke4 {[#]} 61. f5 $1 {[%cal Rf5g6][%mdl 512]} gxf5 62. gxf5 {Threatening mate with f6.} Kxf5 {KP-K} 63. Kd2 Ke4 64. Kc3 Kd5 65. Kc2 Kd4 66. Kd2 c3+ {[%cal Bc4c3,Bc3c2][%mdl 32]} 67. Kc2 Kc4 68. Kc1 Kb3 {( -> ...c2)} (68... Kd3 $5 69. Kd1 $8 Ke4 $11) 69. Kb1 c2+ 70. Kc1 Kc3 {Av CentiPawn Loss W=-8/B=-23. Weighted=-11/-24} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.2"]
[White "Yip, Carissa"]
[Black "Eswaran, Ashritha"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2421"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,100,33,27,33,25,37,27,43,39,45,34,51,46,41,10,50,-25,-31,-18,-7,-27,-20,-20,-22,-31,-27,-33,-35,-56,-51,-56,-58,-63,-64,-68,-35,-71,-64,-90,-40,-68,-50,-333,-343,-333,-344,-429,-425,-544,-538,-866,-833,-733,-631,-617,-514,-516,-500,-500,0,0,0,-445,0,-402,-255,-269,-258,-422,-427,-493,-498,-451,-276,-312,-307,-781,-750,-1497,-1351,-1541,-1780,-5106,-4902,-29989,-29990,-29990,-29991]} 1. e4 c6 2. d4 d5 3. Nd2 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 Be6 {White has an edge.} 11. Ng3 h4 {[#]} 12. Ne4 $146 ({Predecessor:} 12. Nf5 Bxf5 13. Bxf5 Bf4 14. O-O-O Bxe3+ 15. fxe3 Qd5 16. Kb1 Rxe3 17. Qf2 Re8 18. g3 {0-1 (47) Eugene,F (2294)-Laurent Paoli,P (2352) Hyeres 2019}) 12... Bc7 13. O-O-O Nd7 14. c4 Nf8 15. Nc5 (15. Kb1 $14) 15... Bg4 $11 16. Rde1 b6 $36 {[%mdl 2048] Black has the initiative.} 17. h3 {[#] Threatens to win with Nb7.} Bh5 18. Na6 Bg6 19. Bxg6 Nxg6 20. Nxc7 Qxc7 21. Bd2 Qd7 22. Be3 b5 23. Rhg1 bxc4 24. Qxc4 Qf5 25. g3 Re4 26. Qc2 Qe6 {And now ...hxg3 would win.} (26... hxg3 {is interesting.} 27. Rxg3 Qe6 28. Rgg1 Rd8 29. Kb1 Ne7) 27. gxh4 Nxh4 28. Rxg7+ $2 {[%mdl 8192]} (28. Bd2 $15 Rxe1+ 29. Rxe1) 28... Kxg7 $19 29. Bh6+ Kxh6 30. Rxe4 Qxh3 31. Qxc6 Qf1+ 32. Kd2 Qxf2+ 33. Kd3 Rg8 {Strongly threatening ...Qf3+.} 34. Qc1+ Kh7 35. Qh1 Qg3+ 36. Re3 Qg6+ $2 ({Black should try} 36... Qg5 $19 {aiming for ...Qb5+.} 37. Rh3 Qb5+ {[%mdl 64] Double Attack} 38. Kc2 Rc8+ 39. Rc3 Qf5+ 40. Kc1 Qf4+ 41. Kb1 Rg8) 37. Re4 $1 $11 Qg3+ $2 {[%mdl 8192]} (37... Kg7 $11 38. Qxh4 Rb8) 38. Re3 $19 Qf2 {Hoping for ...Rg2.} 39. Re4 Qf3+ 40. Qxf3 Nxf3 {[%mdl 4096] Endgame KRN-KR} 41. Re7 $2 (41. Rf4 {is the only way for White.} Ng5 42. Rxf6) 41... Kg6 42. Rxa7 Rd8 43. Ra4 Kf5 44. Ke3 Ng5 45. Ra5+ $2 (45. Rc4) 45... Kg4 46. d5 f5 47. Ra4+ Kg3 48. Rd4 {[#]} f4+ $1 49. Ke2 (49. Rxf4 Re8+) 49... f3+ 50. Kf1 Rh8 {Av CentiPawn Loss W=-131/B=-23. Weighted=-119/-31} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.3"]
[White "Yu, Jennifer"]
[Black "Nguyen, Emily"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2315"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,9,44,33,40,31,39,21,23,18,19,23,21,2,26,0,22,33,30,27,41,20,27,21,37,16,8,15,35,37,31,21,33,31,28,33,35,32,48,29,39,16,64,55,54,53,110,97,95,89,91,90,117,114,131,57,47,44,52,51,50,0,0,0,36,33,32,43,45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 a6 5. b3 g6 6. Bb2 {A11: English Opening: 1...c6.} Bg7 7. d4 Bf5 8. Bd3 {White is slightly better.} Bxd3 9. Qxd3 Nbd7 10. O-O O-O {[#]} 11. cxd5 $146 ({Predecessor:} 11. e4 dxe4 12. Nxe4 Qc7 13. Rad1 Rad8 14. Rfe1 Rfe8 15. Qc2 Nxe4 16. Rxe4 Nc5 17. Re2 {1-0 (59) Ortega Ruiz,J (2339)-Rakesh,K (2123) New Delhi 2015}) 11... cxd5 12. Rac1 Rc8 13. Rc2 Nb8 14. Rfc1 Nc6 {[#] Threatens to win with ...Nb4.} 15. a3 Qd6 16. Na4 Ne4 17. Nc5 Nxc5 18. dxc5 Qd7 19. Bxg7 Kxg7 20. Rd1 $36 {[%mdl 2048] Black is under pressure.} Rfd8 21. Rcd2 Qe6 22. Qc3+ Kg8 23. b4 Qe4 24. Nd4 e6 25. Nxc6 Rxc6 26. f3 Qh4 27. e4 {[%cal Re4d5]} Re8 ({Better is} 27... Qg5 $14) 28. exd5 exd5 29. Rxd5 Rce6 {[#] ( -> ...Re1+)} 30. g3 Qe7 31. Rd7 Qg5 32. f4 ({Don't play} 32. Rxb7 $6 Re2 $11) (32. Qd4 $16) 32... Qg4 $14 33. Rd8 h5 34. Rxe8+ Rxe8 35. Re1 Rxe1+ 36. Qxe1 $11 {[%mdl 4096] Endgame KQ-KQ} h4 37. Qe8+ Kg7 38. Qe5+ Kg8 $1 39. Qe3 h3 {The position is equal.} 40. Kf2 Qd1 41. Qe8+ Kg7 42. Qe5+ Kg8 43. Qe2 Qd4+ 44. Kf3 {Hoping for Qe8+.} Qd5+ $1 45. Ke3 Qe6+ 46. Kf2 {Strongly threatening Qxe6.} Qd5 47. Qf3 Qa2+ 48. Kg1 Qa1+ 49. Kf2 Qa2+ 50. Kg1 Qa1+ 51. Kf2 Qa2+ {Av CentiPawn Loss W=-7/B=-7. Weighted=-8/-7} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.4"]
[White "Samadashvili, Martha"]
[Black "Foisor, Sabina-Francesca"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2215"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,150,39,26,10,44,38,60,45,55,39,60,60,66,60,60,48,49,35,31,24,48,42,60,72,104,102,120,101,137,96,138,86,145,134,145,137,133,131,150,137,147,157,144,131,126,139,204,212,279,271,260,189,201,206,174,185,167,93,93,93,93,84,93,90,90,84,66,85,82,62,138,138,138,57,234,185,329,136,195,149,137,185,482,482,922,900,618,482,482,482,482,393,293,0,8,8,33,8,8,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,-8,0,-8,-8,-8,-8,-8,-8]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 Be7 6. Bd3 d5 7. O-O O-O 8. c4 c6 9. cxd5 cxd5 10. Nc3 Nxc3 11. bxc3 Nc6 {[%cal Bb8c6,Bc6e7,Be7g6][%mdl 32] [#]} 12. Bf4 $146 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} ({Predecessor:} 12. h3 Be6 13. Re1 Bf6 14. Ne5 g6 15. Rb1 Qc7 16. Ng4 Bg7 17. Qf3 Bxg4 18. hxg4 Rfe8 19. Rxe8+ Rxe8 {1-0 (35) Thorfinnsson,B (2383)-Ingason,S (1949) Reykjavik 2009}) 12... Bf6 13. h3 Ne7 14. Rb1 {White is slightly better.} b6 15. Qc2 Ng6 16. Bg3 Be6 17. a4 Bd7 18. Qb3 Ne7 19. Ba6 Bc8 20. Bb5 Bf5 21. Rb2 a6 22. Be2 Nc8 23. Ne5 Bxe5 24. Bxe5 Ra7 25. Rd1 Re8 26. Bf3 (26. c4 $142) 26... Be4 (26... Rd7 $142) 27. Bxe4 $16 dxe4 28. Re1 Kh8 29. Qc4 f6 30. Bg3 a5 31. Qc6 Qd7 32. Qxd7 Rxd7 33. f3 Rde7 (33... e3 $16 34. Kf1 Kg8) 34. fxe4 Rxe4 35. Rxe4 Rxe4 $18 {[%mdl 4096] Endgame KRB-KRN} 36. Kf2 Re7 37. Re2 $1 {Threatens to win with d5.} Kg8 38. Rxe7 $1 Nxe7 {KB-KN} 39. Ke2 ({White should play} 39. c4 $18) 39... Kf7 $16 40. Kd3 Ke6 41. c4 Kd7 42. d5 Nf5 43. Bf2 {Strongly threatening g4.} Kc7 44. c5 bxc5 45. Bxc5 g6 {[#]} ({Black should try} 45... Nd6 $14) 46. Bf2 $1 Nd6 47. Be1 (47. Kd4 $16) 47... Nb7 $2 ({Better is} 47... Kb6 $14) 48. Kd4 Kd7 {[#]} (48... f5 $142 49. Ke5 Nc5) 49. Bh4 (49. Kc4 $1 $18 {and the rest is easy.}) 49... g5 (49... f5 $16 50. Be1 Kd6) 50. Be1 $18 h5 51. g4 hxg4 $2 (51... h4 52. Kc4 Ke7) 52. hxg4 Kc7 (52... Nd6 $142 53. Bxa5 f5) 53. Bg3+ Kb6 54. Kc4 Nd8 {If only Black now had time for ...Nf7....} 55. Bf2+ Kc7 {If Black can now play ...Nf7 this consolidates a bit.} 56. Kc5 Nb7+ 57. Kc4 $2 (57. Kb5 $18) 57... Nd6+ 58. Kd4 {Hoping for Bg3.} Nf7 59. Bg3+ Kb6 {The position is equal.} 60. Kc4 Nh6 61. Bf2+ Kc7 62. Be1 Kb6 63. Bf2+ Kb7 64. Kc5 Nxg4 65. Be1 f5 66. Bxa5 f4 67. d6 {Intending d7 and mate.} Nf6 68. Kd4 Kc6 69. Ke5 f3 70. Be1 Nd7+ 71. Ke4 g4 72. Kf4 Nf6 73. Kg5 Ne4+ 74. Kxg4 f2 {[#]} 75. Bxf2 $1 {[%mdl 512]} Nxf2+ {White really could win this. Av CentiPawn Loss W=-20/B=-20. Weighted=-20/-28} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.5"]
[White "Krush, Irina"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "E35"]
[WhiteElo "2429"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,8,18,10,6,14,65,63,75,72,76,80,93,79,81,84,134,79,66,77,58,70,352,325,518,540,509,398,377,345,29981,29982,29982,29967,29976,1029,5281,435,5489,2127]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bf4 c5 7. dxc5 O-O 8. e3 Nc6 9. Nf3 Bxc5 10. Be2 {D37: Queen's Gambit Declined: 5 Bf4.} d4 {White must now prevent ...Nb4.} 11. Rd1 {[#] seems to push 11.exd4 aside.} Nd5 $146 (11... Qb6 $11 12. exd4 Nxd4 13. Nxd4 Bxd4) ({Predecessor:} 11... Qb6 12. exd4 Nxd4 13. Nxd4 Bxd4 14. O-O Bd7 15. Qd2 Bxc3 16. Qxc3 Rac8 17. Qa3 a5 {½-½ (46) Vachier Lagrave,M (2778)-Ding,L (2791) chess24.com INT 2020}) 12. Ng5 $14 {[%csl Gg5][%cal Rc2h7] White is slightly better.} g6 13. Nxd5 {[%mdl 64] Discovered Attack} Qxd5 14. O-O Be7 15. Bc4 Qa5 16. h4 dxe3 17. Bxe3 (17. Nxf7 $142 Bf5 18. Qb3) 17... Ne5 18. Bb3 {Hoping for Rd5.} Bf5 19. Qe2 {aiming for Rd5.} h6 $2 {[%mdl 8192] Now Black is done in.} ({Black should play} 19... Ng4 $14) 20. Rd5 $18 Qc7 (20... Qxd5 {is a better defense.} 21. Bxd5 hxg5) 21. Rc1 Nc6 22. Rxf5 hxg5 23. hxg5 gxf5 $2 (23... Rad8 $18 24. Rf3 Qe5) 24. Qh5 Qe5 25. g6 {[%csl Gg6][%cal Rh5h7]} Qg7 {[#]} 26. Bh6 (26. Rxc6 $142 $1 {[%mdl 512]} bxc6 27. Bd4 $1 {[%mdl 512]} Bf6 28. Bxf6 Rfd8 29. Bxg7 Kxg7 30. Qh7+ Kf6 31. Qxf7+ Kg5 32. Qe7+ Kg4 33. g7) 26... Qf6 27. Bd2 (27. Rxc6 $142 bxc6 28. Bd2) 27... Qg7 {[#]} (27... Qh4 $142 28. Bxf7+ (28. gxf7+ Kg7 $16) 28... Rxf7 29. gxf7+ Kg7 30. Bh6+ (30. Qxf5 Rh8 $17) 30... Kh8 31. Qxh4 Bxh4 32. f8=Q+ Rxf8) 28. Bc3 {Av CentiPawn Loss W=-168/B=-196. Weighted=-146/-120} (28. Rxc6 $142 $1 {[%mdl 512]} bxc6 29. Bc3) 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.23"]
[Round "9.6"]
[White "Wang, Annie"]
[Black "Derakhshani, Dorsa"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "2384"]
[BlackElo "2270"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,64,0,19,-19,0,-8,22,-76,-64,-54,-60,-206,-224,-264,-254,-234,-226,-343,-344,-336,-309,-334,-332,-345,-350,-431,-361,-500,-512,-502,-502,-493,-504,-488,0,-335,0,-466,-475,-964,-928,-29981,-29982,-29993,-29994,-29994,-29995,-29995,-29996,-29996,-29997]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 Bb7 5. e3 Bb4+ 6. Nfd2 O-O 7. a3 Be7 8. Nc3 d5 9. Bd3 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7 .} c5 10. dxc5 {[#]} Bxc5 $146 {White should prevent ...d4.} ({Predecessor:} 10... d4 11. exd4 Qxd4 12. Nde4 bxc5 13. Be3 Qe5 14. Qf3 Nxe4 15. Bxe4 Bxe4 16. Qxe4 Qxe4 17. Nxe4 {1-0 (48) Karthikeyan,P (2415)-Schebler,G (2391) Pattaya 2019}) 11. Nb5 (11. cxd5 $11 {remains equal.} Nxd5 12. Nxd5 (12. Qh5 g6 $17) 12... Bxd5 13. O-O) 11... a6 $17 12. Nd4 $1 Nbd7 {[%cal Bb8d7,Bd7c5,Bc5d3][%mdl 32]} 13. b4 {[#]} ({White should play} 13. N4f3 $15) 13... e5 $1 $19 (13... Bxd4 14. exd4 dxc4 15. Nxc4 $15) 14. Bg5 exd4 15. bxc5 Nxc5 16. Qc2 (16. Nf3 {was called for.}) 16... Nxd3+ 17. Qxd3 dxc4 18. Qxc4 h6 ({Weaker is} 18... Bxg2 19. Rg1 $19) 19. Bxf6 Qxf6 20. e4 Rac8 21. Qb4 a5 22. Qb5 Rc5 23. Qd3 Rc3 24. Qb5 Rc5 (24... Rc2 25. Rd1 $19) 25. Qd3 $1 Rc3 26. Qb5 $1 Ra8 {[#] Hoping for ...Ba6.} ({Not} 26... Rc2 27. Rd1 $19) 27. Rb1 (27. Qf5 $142 Qxf5 28. exf5 Bxg2 29. Rg1 Re8+ 30. Kd1) 27... Ba6 28. Qb2 Rac8 {Black mates.} 29. Rd1 Qf4 30. Nc4 Bxc4 31. Rxd4 Rc1+ 32. Rd1 Qxe4+ {[%mdl 64] Double Attack. Black took control after the opening. Av CentiPawn Loss W=-122/B=-6. Weighted=-123/-5} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.1"]
[White "Cervantes Landeiro, Thalia"]
[Black "Derakhshani, Dorsa"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2311"]
[BlackElo "2270"]
[Annotator "RC"]
[PlyCount "130"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "1500+5"]

1. d4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:05]} 2. c4 {[%emt 0:00:03]} e6 {[%emt 0:00:02]} 3. Nf3 {[%emt 0:00:02]} b6 {[%emt 0:00:03]} 4. g3 {[%emt 0:00:02]} Bb7 {[%emt 0:00:01]} 5. Bg2 {[%emt 0:00:01]} Be7 {[%emt 0:00:02]} 6. O-O {[%emt 0:00:03]} O-O {[%emt 0:00:03]} 7. Re1 {[%emt 0:00:01]} d5 {[%emt 0:00:17]} 8. Ne5 {[%emt 0:02:18]} Nbd7 {[%emt 0:02:15]} 9. Nc3 {[%emt 0:00:52]} Ne4 {[%emt 0:04:58]} 10. Bf4 {[%emt 0:03:44]} Nxe5 {[%emt 0:04:42]} 11. Bxe5 {[%emt 0:01:16]} Bf6 {[%emt 0:00:31]} 12. Bf4 {[%emt 0:03:56]} Re8 {[%emt 0:03:41]} 13. Nb5 {[%emt 0:03:50]} e5 {[%emt 0:01:09]} 14. dxe5 {[%emt 0:01:31]} Bxe5 {[%emt 0:00:07]} 15. Bxe4 {[%emt 0:02:29]} dxe4 {[%emt 0:03:34]} 16. Bxe5 {[%emt 0:00:15]} Rxe5 {[%emt 0:00:16]} 17. Qxd8+ {[%emt 0:00:06]} Rxd8 {[%emt 0:00:00]} 18. Rad1 {[%emt 0:00:07]} Rf8 {[%emt 0:03:02]} 19. Rd4 {[%emt 0:01:37]} Re7 {[%emt 0:01:10]} 20. Red1 {[%emt 0:01:30]} a6 {[%emt 0:00:09]} 21. Nc3 {[%emt 0:00:06]} f5 {[%emt 0:00:10]} 22. e3 {[%emt 0:00:26]} Kf7 {[%emt 0:00:16]} 23. h4 {[%emt 0:00:09]} g6 {[%emt 0:00:06]} 24. Ne2 {[%emt 0:00:29]} h6 {[%emt 0:00:02]} 25. Kg2 {[%emt 0:01:03]} g5 {[%emt 0:00:06]} 26. Rh1 {[%emt 0:00:03]} Kg6 {[%emt 0:00:07]} 27. hxg5 {[%emt 0:00:16]} hxg5 {[%emt 0:00:00]} 28. Rhd1 {[%emt 0:00:01]} Bc6 {[%emt 0:00:12]} 29. Rd8 {[%emt 0:00:10]} Ree8 {[%emt 0:00:05]} 30. R8d2 {[%emt 0:00:11]} Re7 {[%emt 0:00:02]} 31. Nd4 {[%emt 0:00:04]} Bb7 {[%emt 0:00:06]} 32. Nb3 {[%emt 0:00:06]} f4 {[%emt 0:00:04]} 33. gxf4 {[%emt 0:00:15]} gxf4 {[%emt 0:00:01]} 34. Rd7 {[%emt 0:00:02]} f3+ {[%emt 0:00:07]} 35. Kg3 {[%emt 0:00:03]} Rff7 {[%emt 0:00:04]} 36. Rxe7 {[%emt 0:00:08]} Rxe7 {[%emt 0:00:00]} 37. Nd4 {[%emt 0:00:21]} Rh7 {[%emt 0:00:09]} 38. Rg1 {[%emt 0:00:08]} Kg5 {[%emt 0:00:04]} 39. Ne6+ {[%emt 0:00:10]} Kf5 {[%emt 0:00:04]} 40. Nd4+ {[%emt 0:00:02]} Kg5 {[%emt 0:00:01]} 41. Rd1 {[%emt 0:00:08]} Bc8 {[%emt 0:00:03]} 42. Nxf3+ {[%emt 0:00:14]} exf3 {[%emt 0:00:02]} 43. Rd5+ {[%emt 0:00:01]} Bf5 {[%emt 0:00:12]} 44. Kxf3 {[%emt 0:00:07]} Kf6 {[%emt 0:00:13]} 45. e4 {[%emt 0:00:09]} Be6 {[%emt 0:00:04]} 46. Rd4 {[%emt 0:00:02]} Rd7 {[%emt 0:00:02]} 47. Ke3 {[%emt 0:00:03]} c5 {[%emt 0:00:12]} 48. Rxd7 {[%emt 0:00:03]} Bxd7 {[%emt 0:00:00]} 49. f4 {[%emt 0:00:01]} Be6 {[%emt 0:00:03]} 50. b3 {[%emt 0:00:02]} b5 {[%emt 0:00:01]} 51. cxb5 {[%emt 0:00:13]} axb5 {[%emt 0:00:00]} 52. f5 {[%emt 0:00:05]} Bf7 {[%emt 0:00:17]} 53. Kf4 {[%emt 0:00:01]} Bh5 {[%emt 0:00:02]} 54. e5+ {[%emt 0:00:02]} Ke7 {[%emt 0:00:03]} 55. Ke4 {[%emt 0:00:04]} Be2 {[%emt 0:00:14]} 56. Kd5 {[%emt 0:00:10]} c4 {[%emt 0:00:02]} 57. bxc4 {[%emt 0:00:08]} Bxc4+ {[%emt 0:00:02]} 58. Kc5 {[%emt 0:00:01]} Bxa2 {[%emt 0:00:05]} 59. Kxb5 {[%emt 0:00:01]} Bb1 {[%emt 0:00:00]} 60. f6+ {[%emt 0:00:03]} Ke6 {[%emt 0:00:03]} 61. Kc5 {[%emt 0:00:02]} Bg6 {[%emt 0:00:12]} 62. Kd4 {[%emt 0:00:02]} Bh7 {[%emt 0:00:04]} 63. Kc5 {[%emt 0:00:02]} Bg6 {[%emt 0:00:01]} 64. Kd4 {[%emt 0:00:01]} Bh7 {[%emt 0:00:01]} 65. Kc5 {[%emt 0:00:01]} Bg6 {[%emt 0:00:01]} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.2"]
[White "Abrahamyan, Tatev"]
[Black "Wang, Annie"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2358"]
[BlackElo "2384"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,21,23,26,-1,21,-19,-15,-94,-82,-126,-40,-85,63,50,70,59,66,58,62,73,75,83,83,12,14,26,14,0,12,18,38,15,95,13,35,25,97,0,27,0,29,-8,50,45,47,45,58,52,118,85,85,85,85,-350,12845,5831,29987,826,774,389,460,448,985,929,6187,6170,29992,29983,29983,29984]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Bd7 {7...a6 is a critical line.} 8. Qe2 a6 9. Bb3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32] B89: Sicilian: Velimirovic Attack.} 10. O-O-O Qc7 11. g4 b4 {The position is equal.} 12. Nd5 (12. Na4 $11 {keeps the balance.}) 12... exd5 $17 {[#]} 13. exd5 $146 ({Predecessor:} 13. Nxc6 dxe4 14. Nxb4 Bxg4 15. Nd5 Nxd5 16. Qxg4 Nxe3 17. Qxe4+ Be7 18. Qxa8+ Kd7 19. Ba4+ Ke6 20. Qe4+ {1-0 (20) Guimaraes,W (2218)-Hartikainen,J (2149) chess.com INT 2020}) 13... Ne7 ({Stronger than} 13... Bxg4 14. f3 $16) (13... Nxd4 $17 14. Rxd4 Bb5) 14. g5 Ne4 (14... Nfxd5 $17 {White must now prevent ...Qb7.} 15. Qf3 Qb7) 15. Nc6 $1 $14 Nxc6 16. dxc6 Be6 {Hoping for ...Be7.} ({Not} 16... Qxc6 $2 17. Bd5 $18) 17. f3 Be7 18. Bxe6 fxe6 19. fxe4 Qxc6 20. Qh5+ (20. Qg4 $1 $16) 20... Kd7 $11 21. Rd4 Rhc8 {[%csl Gc8][%cal Rc6c2]} 22. Qe2 Rab8 23. Kb1 Rb5 24. Rhd1 Rc7 (24... Rc5 $11) 25. Qd2 ({White should play} 25. h4 $16) 25... Kc8 26. Qg2 Kb7 {[#]} (26... a5 $11) 27. R4d2 (27. b3 $1 $16) 27... a5 28. Bf4 {[%cal Rf4d6]} Rd7 29. Qg3 {[%cal Rf4d6]} e5 ({Black should try} 29... Qxe4 $11 30. Re1 Qc6) 30. Bxe5 $1 $14 {[%mdl 64] Double Attack, Pin} Qxe4 31. Bf4 ({Much worse is} 31. Bxd6 Rxg5 32. Qf4 Qxf4 $17) 31... Qc6 32. Rd4 Rc5 ({Better is} 32... d5 $14) 33. Qd3 Bxg5 34. Bxd6 Rb5 35. Rc4 $2 {[%mdl 8192] [#]} (35. b3 $16) 35... Qb6 $4 {[%mdl 8192]} (35... Rxd6 $1 $19 {[%mdl 512]} 36. Qxd6 Qxc4 37. Qd7+ Ka6) 36. Qe4+ $18 Ka7 37. Rc6 (37. Rc8 $142 Ka6 38. Ra8+ Qa7 39. Qc6+ Rb6 40. Qc4+ Rb5 41. Qc8+ Kb6 42. Rxa7) 37... Qb7 38. Qc4 Bd8 {Now ...Rb6 and Black clings on.} 39. Bc5+ Ka8 (39... Rb6 $142 40. Rxd7 Qxd7) 40. Rxd7 Qxd7 {[#]} 41. Rd6 $1 {[%mdl 512]} Qe7 42. Qd5+ Kb8 43. Rxd8+ {[%mdl 64] Discovered Attack. Av CentiPawn Loss W=-104/B=-154. Weighted=-101/-148} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.3"]
[White "Foisor, Sabina-Francesca"]
[Black "Krush, Irina"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2228"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,98,29,16,24,19,23,8,8,11,-9,-52,-57,-51,-57,-45,52,-87,-87,-83,-89,-87,-78,-183,-181,-191,-189,-186,-193,-340,-333,-325,-163,-375,-359,-351,-351,-381,-227,-425,-390,-509,-513,-505,-496,-450,-442,-568,-420,-408,-325,-539,-510,-486,-467,-918,-764,-775,-765,-762,-752,-870,-868,-867,-664,-846,-794,-968,-952,-1407,-1195,-3486,-3486,-5529,-4921,-29984,-29972,-29980,-29981,-29977,-5301,-29978,-29979,-29979,-29980,-29979,-29980]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d6 5. e4 h6 6. Bh4 g5 7. Bg3 Nh5 8. c3 c5 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} 9. dxc5 Nxg3 10. hxg3 dxc5 {The position is equal.} 11. Bc4 Nc6 12. Nxg5 hxg5 13. Rxh8+ Bxh8 14. Qh5 {[%mdl 64] Threatens to win with Rd1. Double Attack} Bf6 {[#]} (14... Kd7 $15) 15. Qxf7+ $146 (15. O-O-O $1 $14 {stays ahead.} e6 16. f4) ({Predecessor:} 15. f4 e6 16. e5 Nxe5 17. fxe5 Bxe5 18. Ne4 Bd7 19. O-O-O Qe7 20. Nxg5 Bxg3 21. Nxe6 Qf6 22. Rxd7 Kxd7 23. Qd5+ {1-0 (23) Popescu,T-Mende,E Romania 1989}) 15... Kd7 $17 {Black keeps a firm grip on the game.} 16. O-O-O Kc7 17. Nb3 Ne5 18. Qh5 (18. Rxd8 $17 {was the only defense.} Nxf7 19. Rxc8+ Rxc8 20. Bxf7) 18... Qh8 $19 19. Qe2 b6 20. Bd5 {[#]} Rb8 $1 21. Kb1 (21. Nd2 {was called for.}) 21... e6 22. Bc4 Qe8 (22... Qh2 $142 23. Qf1 Bd7) 23. f4 $2 (23. Bb5 Bd7 24. Bxd7 Nxd7 25. Qa6) 23... Nxc4 24. Qxc4 Bb7 25. e5 {Hoping for Nd4.} Rd8 (25... Bd5 $142 26. Qd3 Be7) 26. Rxd8 $2 (26. Nd4 {is the only way for White.} Bd5 27. Nb5+ Kb8 28. Qa4 Be4+ 29. Ka1 Rxd1+ 30. Qxd1) 26... Bxd8 27. Nd4 Bd5 28. Nb5+ Kb8 29. Qa4 Qd7 30. c4 Be4+ 31. Kc1 Bxg2 {aiming for ...gxf4.} 32. Qa3 $2 (32. Qd1 Qxd1+ 33. Kxd1) 32... gxf4 33. gxf4 Bc6 34. Nc3 (34. Qb3 $142) 34... Qd3 35. Qb3 Qe3+ 36. Kb1 Qxf4 37. Qd1 Bc7 38. Qe2 Qxe5 39. Qd2 Kb7 40. a3 {[#]} Qd4 $1 41. Qe2 e5 42. Kc2 e4 43. a4 e3 44. b3 Bf4 45. Qd3 Qxd3+ 46. Kxd3 Bh6 (46... Bf3 $142 47. Ne2 Bxe2+ 48. Kxe2 Kc6 49. Kd3 Kd6 50. b4 cxb4 51. a5 bxa5 52. Ke2 b3 53. c5+ Kxc5 54. Kf3 b2 55. Kxf4 e2 56. Kg5 e1=Q 57. Kg6 b1=Q+ 58. Kg5 Qg3+ 59. Kf6 Qh7 60. Ke6 Qd6#) 47. Nd1 Bf3 {Black mates.} 48. Nxe3 Bxe3 49. Kxe3 Bd1 {Av CentiPawn Loss W=-169/B=-71. Weighted=-199/-66} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.4"]
[White "Nguyen, Emily"]
[Black "Samadashvili, Martha"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2280"]
[BlackElo "2215"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,52,12,38,16,16,0,11,0,0,3,11,9,24,4,20,-16,0,-80,-25,-27,-22,-33,-22,-474,-467,-810,201,-810,-800,-858,-853,-822,-831,-1088,-1056]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. dxc5 Bxc5 11. Qc2 {is now more promising than 11.0-0. D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} Bd7 12. a3 Bb6 13. Ba2 {The position is equal.} Bc6 14. Bb1 {[%csl Gb1][%cal Rc2h7]} g6 {[#]} 15. Qe2 $146 ({Predecessor:} 15. h4 Bxf3 16. gxf3 Qxf3 17. Rg1 Qh5 18. Ne2 Nc6 19. Nf4 Qf5 20. Qd1 Qa5+ 21. b4 Qxa3 22. Bxg6 fxg6 23. Rxg6+ {1-0 (31) Troff,K (2541)-Guo,Q (2439) Caleta 2015}) 15... Nd7 {[%cal Bb8d7,Bd7e5,Be5f3][%mdl 32]} 16. O-O Ne5 {[%cal Re5f3]} 17. Nd2 Qh4 18. Nce4 (18. Be4 $1 $11 {keeps the balance.}) 18... f5 (18... Rad8 $17 {Threatens to win with ...f5.} 19. f3 a6) 19. Nc5 $1 $11 Qe7 ({But not} 19... Ng4 20. h3 $14) 20. b4 Rad8 $40 {[%mdl 128] aiming for ...Rxd2! Black has some attack.} 21. Ndb3 $2 {[%mdl 8192] [#]} (21. f4 $11 {and White stays safe.} Nd7 22. Nd3) 21... Nf3+ $1 $19 {[%mdl 512]} 22. gxf3 (22. Qxf3 $142 Bxf3 23. gxf3) 22... Qg5+ 23. Kh1 {[#]} Qh5 $1 {[%mdl 512] ( -> ...Bc7). Black is clearly winning.} 24. Ne4 Bc7 {[%csl Gc7][%cal Rh5h2]} 25. Ng3 Bxf3+ {[%mdl 64] Double Attack} 26. Kg1 Bxg3 $1 {Av CentiPawn Loss W=-142/B=-11. Weighted=-84/-10} (26... Bxe2 $2 27. Nxh5 Bxf1 28. Kxf1 $19) 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.5"]
[White "Eswaran, Ashritha"]
[Black "Yu, Jennifer"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2244"]
[BlackElo "2315"]
[Annotator "TA"]
[PlyCount "170"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,170,-4,-12,0,-10,11,19,14,0,10,0,0,-27,-24,-29,-24,-29,0,-6,0,-50,0,0,0,0,0,0,20,0,0,0,0,0,0,0,4,0,0,0,0,0,7,7,7,7,32,21,27,24,40,0,0,0,0,-25,-16,-12,-7,-22,-7,-7,0,0,0,5,24,-7,-7,-7,6,-7,0,-28,0,-10,0,-66,0,-81,0,-27,-31,-56,-56,-525,-513,-702,-662,-765,-668,-747,-724,-693,-401,-392,-358,-301,-307,-333,-306,-514,-473,-529,-514,-530,-537,-522,-500,-500,-463,-500,-493,-515,-514,-500,-500,-500,0,0,0,-24,-22,-22,0,-462,-383,-599,-608,-612,-606,-610,-589,-560,-553,-714,-714,-29973,-29974,-29971,-1141,-29971,-812,-29987,-29979,-29982,-29980,-29980,-29980,-29980,-29981,-29981,-29982,-29984,-29985,-29985,-29986]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc3 Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Ne7 9. O-O-O Ng6 {C68: Ruy Lopez: Exchange Variation, sidelines.} 10. h4 Qe7 11. h5 Ne5 {The position is equal.} 12. Nxe5 {[#]} fxe5 $146 ({Predecessor:} 12... Bxe5 13. Qd3 Bd7 14. Na4 O-O-O 15. Nc5 Be6 16. Qe2 Bd6 17. Nb3 Bxb3 18. axb3 Qxe4 {½-½ (56) Gavriil,O (2079)-Stoimenidis,D (1529) Thessaloniki/Halkidiki 2019}) 13. Qd3 Be6 14. h6 O-O-O 15. Qe2 Bb4 {And now ...Bxc3 would win.} 16. Nb1 g6 17. a3 Bd6 18. Qf3 Rhf8 19. Qg3 Rd7 20. f3 Kb8 21. Rd2 Bg8 22. Bg5 Qe6 23. Qh3 Qxh3 24. Rxh3 Be6 25. Rh1 b6 26. Rhd1 Kb7 27. b3 Rdf7 28. Kb2 Be7 29. Bxe7 Rxe7 30. Rd8 Rf6 31. Nd2 g5 32. Rh1 c5 33. c4 g4 34. Rh5 Bc8 35. Rh8 Rd6 36. Kc2 Red7 37. Nb1 gxf3 38. gxf3 Rf7 39. Nd2 ({Of course not} 39. Rxe5 Rxf3 40. Rxh7 Rf2+ 41. Kc1 Rf1+ 42. Kc2 Rf2+ 43. Kc1 Rf1+ 44. Kc2 Rf2+ $15) 39... Rfd7 40. Rh2 Re7 41. Nb1 Rf6 42. Nd2 Bd7 43. Rh5 Be8 44. Rh3 Bg6 45. Rg3 Rd7 46. Rg8 (46. Rg5 $11) 46... Rfd6 (46... Bf7 $1 $15 47. R8g5 Rxh6) 47. Nb1 (47. Rg2 $11) 47... Rf7 (47... Bf7 $1 $17 {[%cal Rf7g8]} 48. R8g7 Rxh6) 48. Nc3 Rdf6 $36 {[%mdl 2048] Black is more active.} 49. Rg7 {Black must now prevent R3xg6!} Rxf3 50. R3xg6 $4 {[%mdl 8192]} (50. Rxf3 $15 Rxf3 51. Re7) 50... hxg6 $15 {[%mdl 4096] Endgame KRR-KRN} 51. h7 Rf2+ 52. Kc1 Rf1+ $1 53. Kd2 R7f2+ 54. Ke3 Rh2 55. Nd5 Rfh1 56. Rxc7+ Kb8 57. Rc6 Rxh7 58. Rxb6+ $2 (58. Kf3 {only move.}) 58... Ka7 $19 59. Rxg6 R7h3+ 60. Kd2 R1h2+ 61. Kc1 Rxb3 62. Rg7+ Kb8 63. Rg8+ Kb7 64. Rg7+ Kc8 65. Rg8+ Kd7 $1 66. Rg7+ Kc8 $2 ({Black should try} 66... Ke6 $1 $19 67. Rg6+ Kf7 $1 {[%mdl 512]} 68. Rf6+ Kg7) 67. Rg8+ $11 Kb7 68. Rg7+ Ka8 69. Rg8+ $1 Ka7 $2 {[%mdl 8192]} (69... Rb8 $11 70. Nc7+ Kb7 $1 {[%mdl 512]} 71. Rxb8+ Kxb8 72. Nxa6+ Kb7 73. Nxc5+ Kc6) 70. Rg7+ $19 {Black continues to play with concentration.} Rb7 $1 {[%cal Rb7g7]} 71. Rg5 (71. Rxb7+ $142 Kxb7 72. Nc3) 71... Rf7 {[%cal Rf7f1]} 72. Rg1 Ra2 {( -> ...Ra1+)} 73. Kb1 Rxa3 74. Rg5 Rb7+ 75. Kc2 Ra2+ 76. Kc3 Rab2 {[%csl Gb2][%cal Rb7b3]} 77. Kd3 R7b3+ 78. Nc3 Ra2 (78... Rh2 $142 79. Rxe5 Rh3+ 80. Kc2 Rbxc3+ 81. Kb1 Rh1+ 82. Kb2 {[#]} Re3 $1 {[%mdl 512]} 83. Rd5 Rh2+ 84. Kc1 Rxe4 85. Rd7+ Kb6 86. Rd6+ Kc7 $1 {[%mdl 512]} 87. Rd3 Rg4 88. Rd5 Rxc4+ 89. Kb1 a5 90. Rd3 Rd4 91. Rc3 Rd1+ 92. Rc1 Rxc1+ 93. Kxc1 a4 94. Kb1 a3 95. Ka1 c4 96. Kb1 c3 97. Ka1 c2 98. Ka2 c1=Q+ 99. Kb3 Rh4 100. Ka2 Qb2#) 79. Rg3 Kb6 {Black mates.} 80. Rg1 Ka5 81. Rb1 Rxb1 82. Nxa2 Rb3+ 83. Kc2 Ra3 84. Kb2 Rxa2+ 85. Kxa2 Kb4 {Av CentiPawn Loss W=-74/B=-28. Weighted=-69/-25} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "10.6"]
[White "Zatonskih, Anna"]
[Black "Yip, Carissa"]
[Result "0-1"]
[ECO "A49"]
[WhiteElo "2420"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,7,25,0,18,10,0,-3,-1,-29,-17,-33,-40,-19,-16,-31,0,-18,16,9,51,43,54,58,46,41,57,50,80,65,87,4,92,96,151,150,137,128,143,154,163,164,164,131,123,128,136,158,633,611,716,418,432,404,398,399,366,97,110,0,0,0,0,0,0,0,0,0,0,0,0,-29964,-12837,-29994,-29995,-29995,-4,-4,-4,-670,-642,-642,-130,-29986,-29987]} 1. d4 Nf6 2. Nf3 g6 3. g3 c5 4. c3 b6 5. Bg2 Bb7 6. Qb3 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} Qc8 7. O-O Bg7 8. dxc5 {The position is equal.} Qxc5 9. Be3 Qc8 {[#]} 10. a4 $146 ({Predecessor:} 10. c4 Nc6 11. Na3 O-O 12. Rac1 d6 13. Rfd1 Ng4 14. Bd2 Nd4 15. Nxd4 Bxd4 16. Be1 Bxg2 17. Kxg2 {0-1 (39) Jussupow,A (2581)-Tregubov,P (2606) Bern 2014}) 10... Nc6 11. Na3 O-O 12. Rfd1 Na5 13. Qa2 e6 14. Rac1 d5 15. b4 $1 {[%cal Rb4a5,Bb2b4,Bb4b5][%mdl 32]} Nc6 16. b5 Na5 17. c4 dxc4 18. Nxc4 Nxc4 19. Rxc4 Qe8 20. Qa3 (20. Nd4 $16 Bxg2 21. Kxg2) 20... Nd5 {[#]} (20... a6 $1 $11 {remains equal.}) 21. Bd4 $1 $16 {[%cal Rd4g7]} e5 (21... Bxd4 $142 22. Nxd4 (22. Rdxd4 a6 $11) (22. Rcxd4 Rc8 $14) 22... Rc8 23. Rxc8 Qxc8) 22. Bb2 Rd8 23. Qa1 $36 {[%mdl 2048] White is on the roll.} Qe6 24. Ng5 ({Much less strong is} 24. Bxe5 Ne3 $14) 24... Qe7 25. h4 Rfe8 26. e4 Nf6 27. Rxd8 {[%mdl 64] Overworked Piece} Qxd8 28. Bxe5 Rxe5 $2 (28... Nh5 $16) 29. Qxe5 $18 h6 30. Qc7 Qd1+ 31. Bf1 hxg5 32. Qxb7 gxh4 33. Rc8+ $2 ({Not} 33. Qxa7 h3 $16) (33. e5 $18 Nd7 34. e6 (34. Qxa7 hxg3 35. Qa8+ Nf8 $16) 34... fxe6 35. Qa8+ (35. Qxa7 hxg3 36. Qa8+ Kf7 $18) 35... Nf8 36. Rxh4) 33... Kh7 $16 34. Qxf7 ({Better is} 34. Qc7 $16) 34... hxg3 $11 35. fxg3 Qd4+ 36. Kg2 {Black must now prevent Qc4.} Qxe4+ 37. Kg1 $1 {Hoping for Rc4.} Qe3+ 38. Kg2 $1 Qd2+ 39. Kg1 {Threatens to win with Rc4.} Ng4 {[%csl Gg4][%cal Rd2h2]} 40. Bg2 $2 {[%mdl 8192]} (40. Bc4 $11 Qh2+ 41. Kf1 Ne3+ 42. Ke1 Qxg3+ 43. Kd2) 40... Qe1+ {[%mdl 64] Double Attack} 41. Qf1 Qe3+ 42. Kh1 Qh6+ $2 (42... Qxg3 {mates} 43. Rh8+ {[%mdl 64] Decoy} Kxh8 44. Qf8+ Bxf8 45. Kg1 Bc5+ 46. Kh1 Qh2#) 43. Bh3 {aiming for Qg2.} Ne3 44. Qf3 $2 {[%mdl 8192]} (44. Qg1 $11 Qxh3+ {[%mdl 64] Double Attack} 45. Qh2 Qxh2+ 46. Kxh2) 44... Qxh3+ $19 {[%mdl 64] Double Attack} 45. Kg1 Ng4 $2 (45... Qxc8 $19 {and Black stays clearly on top.} 46. Qxe3 {[#]} Qg4 $1 {[%mdl 512]}) 46. Rc2 $2 {[%mdl 8192]} (46. Rc7 $17) 46... Bd4+ {Black used his chance. Av CentiPawn Loss W=-112/B=-83. Weighted=-143/-136} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.1"]
[White "Yip, Carissa"]
[Black "Cervantes Landeiro, Thalia"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2421"]
[BlackElo "2311"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,23,12,5,11,13,0,-6,-10,41,28,89,65,119,35,136,136,127,143,148,32,51,-20,109,115,107,70,88,44,150,88,352,316,423,422,414,408,681,653,1062,1069,1032,1048,1037,972,997,812,5589,5577,29985,29986,29986,29986,29989,29990]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 {8...Qb6 is better than 8...Be7.} 9. a3 Be7 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} 10. Bf2 {Strongly threatening Nxe6!} Qc7 11. Qf3 Nbd7 {The position is equal.} 12. g4 b5 (12... g5 $1 $11) 13. h4 {[#]} h5 $146 (13... Nc5 $11) ({Predecessor:} 13... Bb7 14. g5 Nh7 15. g6 Nhf6 16. gxf7+ Kxf7 17. Rg1 g6 18. Rxg6 Nc5 19. Rg1 Rag8 20. Rxg8 Rxg8 {1-0 (34) Lobanov,S (2526)-Raja,R (2443) Moscow 2019}) 14. g5 $36 {[%mdl 2048] Black is under pressure.} Ng4 15. g6 (15. Bh3 $16) 15... Nxf2 (15... O-O $14) 16. gxf7+ ({Not} 16. Kxf2 Nf6 $15) 16... Kxf7 17. Qxf2 Nf6 18. Bh3 (18. f5 $16) 18... Qc5 $14 ({Don't play} 18... Ng4 $6 19. Bxg4 hxg4 20. f5 $16) 19. Rg1 ({Better is} 19. Qd2 $14) 19... Ng4 (19... e5 $1 $11 {remains equal.} 20. Nf5 Qxf2+ 21. Kxf2 Bf8 22. fxe5 dxe5) 20. Bxg4 $16 hxg4 21. O-O-O Rxh4 22. e5 {And now Ne4 would win.} d5 ({Black should play} 22... Bb7 $14) 23. Qg2 (23. Rh1 $142 Rxh1 24. Rxh1) 23... g6 $2 {[%mdl 8192] Black cannot hold the game after this.} (23... Rb8 $16) 24. Rh1 $18 {Black must now prevent Rxh4.} Bd7 25. Rxh4 Bxh4 26. Qxg4 Bf2 (26... Rh8 $142 27. Nxd5 Bd8) 27. Nf3 Qe7 28. Rh1 Rg8 29. Rh7+ {[%mdl 64] [#] Skewer} Rg7 30. Ng5+ Kg8 31. Rh1 Bc6 32. Qh3 {[%csl Gh1][%cal Rh3h8]} Kf8 33. Nxe6+ {[%mdl 64] [#] Double Attack. White mates.} Ke8 34. Nxg7+ Qxg7 35. Qc8+ {Av CentiPawn Loss W=-29/B=-141. Weighted=-30/-193} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.2"]
[White "Yu, Jennifer"]
[Black "Zatonskih, Anna"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2315"]
[BlackElo "2420"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,19,19,18,23,27,27,27,21,19,25,22,31,35,20,-75,65,56,81,41,83,81,95,104,113,102,122,62,102,81,103,107,131,122,117,75,99,99,91,47,48,0,0,0,0,0,0,-28,8,8,9,8,10,9,10,9,13,12,16,6,38,0,20,6,5,4,17,0,29,0,16,4,11,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4.} Be7 7. e3 h6 8. Bh4 {White has an edge.} O-O 9. Bd3 Be6 10. O-O Nbd7 11. Rc1 c6 12. Ne5 (12. Nd2 $11 {keeps the balance.}) 12... Re8 (12... Nxe5 $17 13. dxe5 Ng4 {[%mdl 64] Discovered Attack} 14. Bxe7 Qxe7) 13. f4 $14 {Hoping for f5.} Nf8 14. h3 {[#]} N6h7 $146 ({Predecessor:} 14... Rc8 15. Bf2 Rc7 16. a3 Bc8 17. Bb1 Bd6 18. Bh4 Be7 19. Qd3 N6h7 20. Bf2 Bd6 {½-½ (36) Huang,Q (2438)-Pham,L (2354) Riadh 2017}) 15. Bf2 f6 16. Nf3 Rc8 17. Ne2 {[%cal Bc3e2,Be2g3,Bg3f5][%mdl 32]} Qd7 18. g4 ({Better is} 18. Qc2 $16) 18... Bd6 19. Ng3 c5 20. dxc5 Rxc5 21. Nd4 Bf7 22. Ngf5 Rxc1 23. Qxc1 Bb8 24. Kg2 Ne6 25. Qb1 Nhf8 26. Rc1 Nxd4 27. Nxd4 Ba7 28. Bf5 Ne6 29. Nxe6 Bxe6 30. Bh7+ Kf8 31. Qd3 Qe7 32. Bg6 Bf7 33. Bxf7 Qxf7 34. Kf3 Qe6 35. Rc3 h5 (35... d4 $5 36. exd4 Qxa2 $11) 36. Qh7 hxg4+ 37. hxg4 Bb6 38. Qg6 Qd6 39. Qd3 Rd8 {The position is equal.} 40. Rc1 d4 41. Rh1 dxe3 42. Rh8+ Ke7 43. Rxd8 Bxd8 44. Qe4+ Kf8 45. Bxe3 Qd7 46. Bc5+ (46. b3 {seems wilder.} Be7 47. f5 Qb5 48. Qc4 Qd7 49. Ke2) 46... Be7 47. Bxe7+ (47. Bf2 {with more complications.} Qb5 48. Bd4 Bd6 49. Kg3 Qf1 50. g5) 47... Qxe7 48. Qxe7+ Kxe7 $11 {[%mdl 4096] Endgame KP-KP} 49. Ke4 Ke6 $1 50. b3 g6 51. a3 b6 52. Kd4 Kd6 53. Ke4 Ke6 54. Kd4 Kd6 55. Ke4 Ke6 {Av CentiPawn Loss W=-10/B=-10. Weighted=-11/-13} 1/2-1/2

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.3"]
[White "Samadashvili, Martha"]
[Black "Eswaran, Ashritha"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2215"]
[BlackElo "2244"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,27,25,25,22,28,44,17,19,13,27,0,0,0,0,-8,-5,-51,-56,-31,-35,-86,-83,-92,-3,-37,-37,-42,-47,-83,-72,-133,-79,-107,-76,-72,0,0,6,0,57,31,54,47,45,0,0,0,52,0,0,0,227,-54,-58,-1288,-1208,-29988,-454,-29989,-29990,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 g6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Bg7 7. Bc2 e5 8. a4 {White is slightly better.} Ne7 9. Na3 O-O 10. Nc4 {[#]} Nf6 $146 ({Predecessor:} 10... Nb6 11. d3 h6 12. Nxb6 Qxb6 13. Nd2 d5 14. exd5 Nxd5 15. Nc4 Qc7 16. Re1 Bd7 {½-½ (88) Persson,R (2192)-Drogovoz,M (1952) Paracin 2014}) 11. d3 h6 12. Qe2 Be6 13. b4 cxb4 14. cxb4 Nc6 15. Bd2 (15. a5 $15) 15... Bg4 $17 16. Bc3 b5 (16... d5 $17 17. b5 Nd4 18. Bxd4 exd4) 17. axb5 axb5 {Strongly threatening ...Rxa1.} 18. Rxa8 Qxa8 19. Ra1 Qc8 20. Ncd2 (20. Ne3 $142) 20... d5 (20... Nd4 $142 $1 {[%cal Rd4e2]} 21. Bxd4 Qxc2) 21. h3 d4 {aiming for ...Bxf3.} 22. Bb2 Nxb4 (22... Bd7 $17) 23. Bb3 $36 {[%mdl 2048] White is pushing.} Bxf3 $1 24. Nxf3 Nc6 (24... Nh5 $1 $11 25. Qd2 Nc6) 25. Rc1 {[%mdl 1024] White has compensation.} (25. Qc2 $5 {[%cal Ra1c1]} Nh5 26. Rc1 $14) 25... Qa6 26. Qc2 Nb4 27. Qd2 (27. Qd1 $5 {[%cal Rc1a1]}) 27... Nc6 28. Qc2 Na5 ({Black should try} 28... Nb4 $11 29. Qd1 Nc6) 29. Nxe5 ({White should play} 29. Ba2 $1 $14) 29... Nxb3 30. Qxb3 {Black must now prevent Nxg6.} Nh5 $2 {[#]} (30... Nxe4 $11 31. Bxd4 Qd6 32. dxe4 Bxe5) 31. Rc6 $2 ({Inferior is} 31. Bxd4 Nf4 $17) (31. Ra1 $1 $18 {[%cal Ra1a6]} Qe6 32. Qxe6 {[%mdl 64] Overworked Piece} fxe6 33. Nxg6) 31... Qa4 $15 32. Qd5 $2 {[%mdl 8192] Loses the game.} (32. Qxa4 $15 bxa4 33. Nd7 (33. Bxd4 Nf4 $15)) 32... Nf4 $19 33. Qd6 Qd1+ {[%mdl 64] Double Attack} 34. Kh2 {[#]} Qf1 $1 {[%csl Gf4][%cal Rf1g2][%mdl 576] Double Attack. Black mates.} 35. Kg3 Qxg2+ {[%mdl 64] Double Attack} 36. Kxf4 g5+ 37. Kf5 Qxf2+ {[%mdl 64] Double Attack} 38. Kg4 Qf4+ {[%mdl 64] Double Attack. Av CentiPawn Loss W=-112/B=-21. Weighted=-99/-25} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.4"]
[White "Krush, Irina"]
[Black "Nguyen, Emily"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2429"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,19,30,10,14,16,54,63,52,35,113,41,46,2,66,16,103,98,135,130,184,122,131,117,135,135,127,133,133,75,105,89,81,85,66,66,117,131,367,377,333,123,401,399,439,427,458,460,462,228,220,220,210,208,201,149,29981,29982,29988,29989,29994,29995,29996,29997,29998,29999]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. e3 Nc6 6. Bb5 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3.} Bf5 7. Nf3 a6 8. Bxc6+ {White is slightly better.} bxc6 9. O-O e6 {[#]} ({Better is} 9... Nh5 $14) 10. Nbd2 $146 (10. Qa4 $1 $16) ({Predecessor:} 10. Ne5 Qc7 11. Ng6 e5 12. Bxe5 Bd6 13. Bxd6 Qxd6 14. Nxh8 Ne4 15. Qf3 Qe6 16. Nc3 {1-0 (30) Zhou,Z-Liu,Z Changsha 2019}) 10... Qb6 11. Nb3 Be7 (11... a5 $11) 12. Rc1 O-O (12... Nd7 $11) 13. Ne5 $1 $16 Rfc8 14. g4 $1 {[%cal Rg4f5]} Be4 (14... Bg6 $16 {was called for.}) 15. f3 (15. h4 $1 $18) 15... Bg6 16. h4 h6 17. Nxg6 fxg6 18. Qc2 $36 {[%mdl 2048] White is in control.} Kf7 19. Kh2 ({White should try} 19. Rf2) 19... a5 20. Rg1 {Threatens to win with g5.} g5 21. hxg5 hxg5 22. Bxg5 Rh8+ {White now steadily converts the win.} (22... a4 $1 $14 23. Nc5 Bxc5 24. Qxc5 Qxc5 25. Rxc5 Nd7) 23. Kg2 Nxg4 $2 (23... a4 $16) 24. fxg4 $18 Bxg5 {[#]} 25. Rgf1+ $2 (25. Qxc6 Qxc6 26. Rxc6 Rhc8 $11) (25. Rcf1+ $1 $18 {and the rest is easy.} Bf6 26. g5 {[%mdl 64] Pin}) 25... Ke7 $2 {[%mdl 8192] [#]} (25... Bf6 $16) 26. Qg6 $1 {[%cal Rg6g5][%mdl 512]} Bf6 {And now ...Rh6 would win.} 27. g5 (27. Rxf6 gxf6 28. Qg7+ Kd6 $11) 27... Rag8 {If only Black now had time for ...a4....} 28. Rh1 ({Weaker is} 28. Rxf6 gxf6 29. Qxf6+ Kd6 $11) 28... Qb5 {Strongly threatening ...Qe2+.} 29. Kf3 (29. Kf2 $142 {Rxh8 is the strong threat.} Be5 30. Rxh8 Rxh8 31. dxe5 Rf8+ 32. Kg3) 29... Rxh1 30. Rxh1 ({And not} 30. gxf6+ gxf6 31. Qxg8 Rxc1 $11) 30... Rf8 31. Kg3 Qe2 {( -> ...Be5+!)} 32. gxf6+ Rxf6 $2 {[%mdl 8192]} (32... Kd8 $16) 33. Qxg7+ {White mates.} Rf7 34. Qg5+ Kd7 35. Nc5+ Kc7 36. Qe5+ {[%mdl 64] Double Attack} Kb6 37. Qb8+ {Av CentiPawn Loss W=-25/B=-63. Weighted=-24/-55} 1-0

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.5"]
[White "Wang, Annie"]
[Black "Foisor, Sabina-Francesca"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2384"]
[BlackElo "2228"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,0,-3,6,-4,14,14,21,19,67,50,63,58,58,47,60,53,96,82,84,39,49,10,33,36,35,19,37,29,29,22,25,24,37,0,18,8,10,8,17,-18,-30,-176,-60,-118,-120,-351,-331,-440,-433,-434,-432,-756,-802,-795,-786,-764,-735,-800,-882,-884,-878,-869,-870,-855,-852,-820,-810,-952,-952,-2429,-2517,-2518,-1271,-29977,-29976,-29991,-29992,-29994,-29979,-29999,-29999,-29999]} 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 4. g3 Nc6 5. Nf3 Nf6 6. a3 Bxd2+ 7. Nbxd2 O-O 8. Bg2 d6 9. O-O e5 {E11: Bogo-Indian.} 10. d5 Nb8 11. b4 {[#]} Bg4 $146 {The position is equal.} ({Predecessor:} 11... Bd7 12. Qb3 Na6 13. Qc3 c6 14. dxc6 Bxc6 15. b5 Bxf3 16. Bxf3 Nc5 17. Nb3 Nxb3 18. Qxb3 {1-0 (60) Vyprachticky,D (2092)-Pekar,V (2157) Czechia 2013}) 12. Qb3 a4 13. Qc3 Qe7 14. h3 Bh5 15. Rfc1 Nbd7 16. e4 b6 17. Ne1 Bg6 18. Nd3 Nh5 19. c5 f5 (19... bxc5 {is more complex.} 20. bxc5 f5 21. cxd6 cxd6 22. exf5 Bxf5 23. Nb4 Nc5) 20. cxd6 cxd6 21. Nb2 fxe4 22. Nxe4 Bxe4 23. Bxe4 Nhf6 24. Bg2 e4 25. Qd2 b5 26. Nd1 Ne5 27. Nc3 Qd7 28. Qe3 Rae8 29. Rd1 (29. Rc2 $11 {and White stays safe.}) 29... Nc4 ({Black should play} 29... Nf3+ $1 $19 30. Kf1 Re5) 30. Qd4 {[#]} (30. Qe2 $1 $15) 30... e3 $1 $36 {[%cal Re3f2][%mdl 2048] And now ...exf2+ would win. Keeping White busy.} 31. fxe3 $2 (31. Rf1 $17) 31... Nxe3 $19 ({Not} 31... Rxe3 32. Rd3 $17) 32. Rd2 {[#]} Nf5 $1 {[%cal Rf5d4]} 33. Qf2 Ne3 34. Ne4 (34. Rc1 $142 Nh5 35. Bf3 Qxh3 36. Re2 Qxg3+ 37. Qxg3 Nxg3 38. Rf2) 34... Nxe4 35. Qxe3 Nxd2 36. Qxd2 Qa7+ 37. Kh2 {[#]} Rf2 $1 38. Qc3 Ree2 39. Rg1 Qe3 40. Qc8+ Kf7 41. Qd7+ Qe7 42. Qxb5 h5 43. Qc4 Qe5 44. h4 Re3 45. Qc7+ {[#]} Kg6 $1 {Black mates.} 46. Qd8 Rxg3 47. Kh1 Rg4 48. Bf1 Rxg1+ 49. Kxg1 Qh2# {Av CentiPawn Loss W=-84/B=-54. Weighted=-73/-25} 0-1

[Event "USA-ch Women 2020"]
[Site "Saint Louis"]
[Date "2020.10.24"]
[Round "11.6"]
[White "Derakhshani, Dorsa"]
[Black "Abrahamyan, Tatev"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2270"]
[BlackElo "2358"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.10.21"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,13,0,33,25,22,15,55,-22,15,9,49,43,91,81,105,80,79,79,70,0,107,98,166,138,262,239,287,288,236,411,570,533,564,563,537,534,838,596,848,874,1120,1090,1340,1340,1340,1340,1340,1340,1340,1338,1322,1314,5515,5514,29964,29965,6519,6520,6307,5510]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Qd3 f5 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack.} 8. Nc3 c6 9. O-O-O Nd7 {[%cal Bb8d7,Bd7f6,Bf6d5,Bd5c3][%mdl 32] The position is equal.} 10. f4 (10. Nf3 $14) 10... Nf6 {[#]} 11. Nf3 $146 ({Predecessor:} 11. Be2 a5 12. Bf3 a4 13. h3 a3 14. b3 h5 15. Nge2 h4 16. g4 hxg3 17. Nxg3 {0-1 (31) Winfridsson,H (2200)-Okike,D (2149) Birmingham 2002}) 11... b5 12. Ne5 b4 13. Na4 Qd5 14. b3 Qe4 15. Qd2 Nd5 16. Nxc6 (16. g3 $14 Qe3 17. Nxc6) 16... Bd6 (16... Qxf4 $11 17. Qxf4 Nxf4) 17. g3 $1 $36 {[%mdl 2048] White is in control. White now steadily converts the win.} Qxh1 (17... Bd7 $16 {might work better.}) 18. Bb5 $18 {[#]} Qe4 {[#]} (18... Qxd1+ $1 $16 {[%mdl 512]} 19. Kxd1 Bd7) 19. Ne5+ $1 Ke7 {...Qe3 is the strong threat.} 20. Re1 Nc3 21. Bc6 $2 (21. Rxe4 Nxe4 22. Qe3) 21... Qxe1+ 22. Qxe1 Rb8 23. Nxc3 bxc3 24. Qxc3 f6 25. Nc4 Bb4 26. Qe3 Rd8 27. d5 Bd7 28. Bxd7 Rxd7 29. Qxe6+ {[%mdl 64] Double Attack} Kd8 30. d6 Bxd6 31. Nxd6 Rb6 32. Qxf6+ Kc7 33. Ne8+ Kb7 34. Qxf5 Re7 35. Qd5+ Kc8 36. Nd6+ {Av CentiPawn Loss W=-13/B=-137. Weighted=-10/-93} 1-0

