[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.1"]
[White "Ni, Shiqun"]
[Black "Guo, Qi"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2389"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,11,2,25,15,25,25,20,12,38,30,24,1,30,29,42,41,34,27,43,39,38,38,45,42,41,38,36,41,44,41,35,39,35,30,43,32,32,0,39,0,4,0,5,0,0,0,19,11,8,-6,0]} 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be7 {6...Be6 gains popularity. C01: French: Exchange Variation.} 7. O-O O-O 8. Re1 Bd6 {White has an edge.} 9. Bg5 Bg4 (9... h6 $5 {[%cal Rh6g5]} 10. Bxf6 Qxf6 $11) 10. Nbd2 Nbd7 11. Qf1 {[#]} Bxf3 $146 ({Predecessor:} 11... c6 12. Ne5 Qb6 13. c3 Rfe8 14. Nxg4 Nxg4 15. Bf5 Ngf6 16. Qd3 Qc7 17. Qh3 Rxe1+ 18. Rxe1 {½-½ (30) Fernandes,J (2044)-Lopez Gonzalez,A (2219) Guimaraes 2019}) 12. Nxf3 c6 13. Re2 h6 14. Bd2 Qc7 15. g3 Rae8 16. Rae1 Rxe2 17. Rxe2 Re8 18. Rxe8+ Nxe8 19. Qe2 Ndf6 20. b3 (20. Kg2 {seems wilder.} Qd8 21. b3 Nc7 22. c4 Qe7 23. c5) 20... Qe7 21. Qxe7 Bxe7 22. Kf1 Nd6 23. Bb4 Kf8 24. Ne5 Nde4 (24... Nb5 $5 {[%cal Re7b4]} 25. Bxe7+ Kxe7 $11) 25. Bxe7+ (25. Be1 {keeps more tension.} Bd6 26. f3 Ng5 27. Bc3 Ke7 28. Bb2) 25... Kxe7 $14 {KBN-KNN. The position is equal.} 26. f3 Nd6 27. Ke2 Nd7 28. Ke3 a5 29. a3 Nf8 30. a4 f6 {Weighted Error Value: White=0.08/Black=0.08} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.2"]
[White "Zhai, Mo"]
[Black "Song, Yuxin"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2366"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,73,28,16,37,16,9,10,8,16,14,8,30,0,33,0,0,-25,0,0,46,23,43,0,0,-44,-30,-67,-20,-22,-33,-72,-57,-147,-150,-141,-140,-140,-140,-143,-136,-136,-143,-165,-159,-202,-133,-115,0,0,0,-119,-27,-37,0,-109]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 Nb6 11. O-O g6 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 12. Rae1 O-O 13. Nc1 Ng7 14. f3 Be6 15. Nb3 Nd7 {[#]} 16. e4 $146 ({Predecessor:} 16. Qf2 c5 17. Nxc5 Nxc5 18. dxc5 Qxc5 19. Rc1 Rac8 20. Ne2 Qa5 21. Nd4 Rxc1 22. Rxc1 Qxa2 {½-½ (29) Borsuk,K (2431)-Vashchilov,S (2176) chess.com INT 2020}) 16... Rac8 17. Qf2 Qb4 18. Qe3 Rfe8 19. Bc2 a6 20. Qf4 Nh5 21. Qh4 dxe4 22. Rxe4 Nhf6 23. Ree1 Bc4 (23... Bxb3 $5 24. Bxb3 Kg7 $11) 24. Rxe8+ Rxe8 25. Rd1 Nd5 $36 {[%mdl 2048] Black has the initiative.} 26. Re1 (26. Ne4 $1 $15) 26... Rxe1+ $17 27. Qxe1 Bxb3 {[%mdl 64] [#] Discovered Attack} 28. Bxb3 Qxd4+ 29. Kh1 Nc5 30. Bxd5 cxd5 31. Qe7 Nd3 {[#] ( -> ...Nf2+)} 32. h3 Nxb2 33. Ne2 Qa4 (33... Qd1+ $17 34. Kh2 Nd3) 34. Nc3 $1 $11 {[%cal Rc3a4]} Qd4 (34... Qc4 $11 35. Qe8+ (35. Qd8+ Kg7 $17) 35... Kg7 36. Qe5+ Kh6 37. Qe3+ Kg7 38. Qe5+ Kh6 39. Qe3+ Kg7 40. Qe5+) 35. Ne2 $1 $17 {[%cal Re2d4]} Qb6 (35... Qd1+ $17 36. Kh2 Nd3) 36. Nf4 $1 $11 Qd4 (36... Kg7 $15 37. Nxd5 Qe6 38. Qxb7 Nc4) 37. Ne2 {Weighted Error Value: White=0.14/Black=0.24} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.3"]
[White "Yuan, Ye"]
[Black "Xiao, Yiyi"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2081"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,65,0,93,27,39,22,20,19,22,2,5,-17,-17,-24,-22,-11,-15,-39,-42,-43,-32,-31,-5,-17,-17,-45,-34,-49,-11,-12,-12,-12,-12,-6,-11,-11,-15,-12,-10,-10,0,-11,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Rb1 Qa5 (8... O-O $1 $11 {remains equal.}) 9. Bb5+ {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} (9. Rb5 $16 Qxa2 10. Rxc5) 9... Bd7 10. Bxd7+ $1 Nxd7 11. O-O $1 ({But not} 11. Rxb7 cxd4 12. Qb3 Rc8 $17) 11... Nb6 {[%cal Bd7b6,Bb6a4,Ba4c3][%mdl 32] [#]} 12. Qe2 $146 ({Predecessor:} 12. Qb3 O-O 13. Bd2 Rac8 14. d5 Qa6 15. Rfc1 Qd3 16. Qc2 c4 17. Nd4 Bxd4 18. cxd4 {½-½ (49) Lyrberg,P (2427)-Dubessay,B (2272) Agneaux 2010}) 12... O-O 13. Bg5 Na4 14. Bd2 Nxc3 15. Bxc3 Qxc3 16. Rfc1 Qa3 17. dxc5 Rac8 18. h4 Rfd8 19. Rc2 Rc7 20. e5 e6 ({Don't play} 20... Rxc5 21. Rxb7 h6 22. Rc7 $11) 21. h5 Qd3 22. Qxd3 {The position is equal.} Rxd3 23. Rcb2 Rdd7 24. c6 Rxc6 {next ...b6 is good for Black.} 25. Rxb7 Rxb7 26. Rxb7 gxh5 27. Rxa7 $11 {[%mdl 4096] Endgame KRB-KRN} Bh6 28. Kh2 h4 29. Ra4 Rc2 30. Rxh4 Bc1 31. Kg3 Rxa2 32. Rc4 Bh6 33. Rg4+ {Accuracy: White = 88%, Black = 89%.} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.4"]
[White "Yan, Tianqi"]
[Black "Tan, Zhongyi"]
[Result "1-0"]
[ECO "B83"]
[WhiteElo "2207"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,103,20,29,-3,10,12,10,2,22,16,31,14,47,45,57,25,68,60,64,61,64,52,83,39,59,40,34,30,32,15,36,15,5,4,70,21,58,38,62,55,54,-36,46,47,35,54,50,40,122,115,109,118,133,147,185,192,268,261,263,275,260,261,333,314,418,416,409,402,391,386,479,455,433,403,454,454,423,430,666,653,708,700,1515,1323,29973,29961,5466,5455,29979,29979,5073,5073]} 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Be2 Be7 7. O-O O-O 8. Kh1 {B83: Sicilian Scheveningen: 6 Be2, lines without ...a6.} e5 9. Nb3 {[#]} b6 $146 ({Predecessor:} 9... Qc7 10. a4 Be6 11. Be3 Nbd7 12. f4 Rac8 13. Rc1 Rfd8 14. f5 Bc4 15. g4 d5 16. Bxc4 Qxc4 {0-1 (25) Veys,V (2201)-Zhigalko,A (2600) Lille 2014}) 10. Bg5 {[#] Hoping for Bxf6.The position is equal.} Nbd7 11. f3 Bb7 12. a4 a6 13. Be3 Rc8 14. Rf2 Qc7 15. Bf1 h6 16. Rd2 Rfe8 17. Nc1 Rcd8 18. N1e2 h5 19. Ng3 g6 20. Bg5 Kg7 21. Qe1 Rh8 22. Rad1 h4 23. Nge2 Nf8 (23... h3 $11) 24. Nc1 (24. Bxh4 $2 {[#]} Rxh4 $1 {[%mdl 512]} 25. Qxh4 Nxe4 $19) 24... Ne6 25. Be3 $1 Nh5 26. Qf2 Nc5 27. b4 (27. Nd3 $14) 27... Nd7 (27... Ng3+ $1 $15 28. Kg1 Nxf1 29. Qxf1 Nd7) 28. Bxa6 $1 $14 {aiming for Nb5.} Qxc3 ({Avoid the trap} 28... Bxa6 $2 29. Nd5 $18) (28... Ng3+ $6 29. Kg1 $18) 29. Bxb7 Qxb4 30. Bc6 {Strongly threatening Nd3.} Qc4 {White stays focused until the end.} (30... Nc5 $14) 31. Bb5 $16 Qc8 32. Nd3 ({But not} 32. Bxb6 Nxb6 33. Qxb6 d5 $15) 32... Nc5 33. Nb4 Ng3+ 34. Kg1 Ngxe4 (34... Nh5 $142 35. Nc6 {[%mdl 64] Double Attack} Qc7 36. Nxd8 Rxd8) 35. fxe4 $18 Nxe4 36. Qf3 Nxd2 37. Rxd2 Qe6 38. Qd5 ({Don't do} 38. Bxb6 $6 Rb8 $18) 38... Rc8 39. Qxe6 fxe6 40. Nc6 Bf8 41. Bxb6 Rh5 42. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} e4 43. c4 d5 44. cxd5 exd5 45. a6 Kh7 (45... d4 $142 46. Bxd4+ Kh7) 46. a7 d4 47. Ba6 Re8 48. Rxd4 Bc5 49. Bxc5 Rxc5 50. Rd8 Rc1+ 51. Kf2 e3+ 52. Kf3 {Weighted Error Value: White=0.11/Black=0.58} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.5"]
[White "Hu, Yu A."]
[Black "Gu, Xiaobing"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2094"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,77,26,34,31,33,41,37,24,52,66,40,49,80,55,76,74,96,78,98,73,68,74,91,80,103,105,106,103,119,110,105,87,137,140,139,146,147,142,260,249,285,250,335,285,291,291,227,0,0,0,0,0,1942,842,1004,1002,987,912,29998,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. g4 Be7 10. Qd2 Rc8 11. g5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} Nh5 12. O-O-O b5 13. Kb1 {White is slightly better.} O-O 14. Nd5 Bxd5 15. exd5 f5 16. gxf6 Rxf6 17. Na5 Nf4 ({Don't go for} 17... Rxf3 $2 18. Nc6 $16) 18. Nc6 Qe8 19. c4 {[#]} bxc4 $146 ({Predecessor:} 19... Bd8 20. Nxd8 Qxd8 21. cxb5 axb5 22. Bxb5 Nb6 23. Qa5 {1-0 (23) Popvasilev,K (2080)-Reddmann,H (2275) Hamburg 2018}) 20. Bxc4 Nb8 21. Rc1 Nxc6 22. dxc6+ Kh8 23. Bxf4 Rxf4 {[#]} 24. Bd5 $1 Bd8 25. Be4 Rf6 26. Qd3 a5 27. Rc3 {[%cal Bc1c3,Bc3b3,Bb3b7][%mdl 32]} Bb6 28. Rb3 Bd4 (28... Qd8 $16 29. Rb5 Qc7) 29. Rb7 $18 Qe6 30. Qb5 ({Worse is} 30. Bxh7 d5 $15) 30... Rff8 31. Qd5 Qh3 32. Qxd6 Rxf3 {Threatens to win with ...Rf1+.} 33. Bxf3 $2 $40 {[%mdl 128] Black needs to defend precisely.} ({White should try} 33. Ka1 $18 Rf2 34. c7) 33... Qxf3 $11 {[%mdl 64] [#] Double Attack} 34. Rc1 {Black must now prevent Rb8.} Qd3+ 35. Rc2 {Hoping for Rb8.} e4 $2 {[%mdl 8192]} (35... Qd1+ $11 36. Rc1 Qd3+ 37. Rc2 Qf1+ 38. Rc1 Qd3+) 36. Rd7 (36. Rb8 $142 Qd1+ 37. Rc1 Qd3+ 38. Ka1) 36... Qd1+ 37. Rc1 {White threatens Rd8+ and mate.} Qd3+ 38. Ka1 {Rd8+ would kill now.} Qd2 39. Rd8+ {[%mdl 64] Back Rank.  Weighted Error Value: White=0.19/Black=0.55} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.19"]
[Round "1.6"]
[White "Li, Xueyi"]
[Black "Ning, Kaiyu"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "2328"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,66,0,8,8,-1,-8,-5,-17,-14,-21,-11,-31,-27,-27,-18,-18,-5,-19,-22,-23,-24,-65,-20,-36,-5,-28,-29,-33,-38,-58,-68,-66,-56,-103,-99,-445,-440,-591,-587,-580,-580,-668,-666,-677,-627,-716,-696,-829,-785,-840,-827,-1072,-1058,-1196,-1543]} 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 c6 5. O-O h6 6. c4 e6 7. Nc3 Be7 8. a3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} Nbd7 9. Nd2 O-O {[#]} 10. b3 $146 {[#]The position is equal.} ({Predecessor:} 10. Re1 c5 11. e3 dxc4 12. Nxc4 Rb8 13. a4 Nb6 14. Nxb6 Qxb6 15. a5 Qa6 16. e4 {½-½ (48) Young,A (2330)-Kekelidze,M (2509) Wheeling 2013}) 10... b5 $1 {[%mdl 512]} 11. e4 (11. cxb5 cxb5) 11... dxe4 12. Ndxe4 bxc4 13. bxc4 {[%cal Bb3c4,Bc4c5][%mdl 32]} Nb6 14. c5 $1 {[%cal Rc5b6]} Nbd5 15. Bd2 Rb8 16. Re1 Qd7 17. Qc1 Rb3 18. Nxd5 Nxd5 19. Qc4 Rb7 20. Rac1 Rfb8 21. Qa6 Rb2 {And now ...Bxe4 would win.} 22. Rcd1 Bg4 23. f3 Bf5 24. Nc3 $2 {[%mdl 8192] [#] Now White is beyond hope.} (24. Bc1 $17 {is tougher.} R2b3 25. Qc4) 24... Rxd2 $1 $19 {[%mdl 512] Black is clearly winning.} 25. Nxd5 {[#]} (25. Rxd2 Nxc3) 25... Rxg2+ $1 {[%mdl 512]} 26. Kxg2 {Strongly threatening Qxc6!} Qxd5 27. Qe2 Rb3 28. Qf2 Rxa3 29. Re5 Qc4 30. Rd2 Bf6 31. Re3 Bxd4 32. Rxd4 Qxd4 33. Rxa3 {[#]} Bh3+ $1 {[%mdl 512] Weighted Error Value: White=0.68/Black=0.05} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.1"]
[White "Guo, Qi"]
[Black "Ning, Kaiyu"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2418"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,1,23,17,23,25,27,31,31,18,31,12,26,25,44,13,15,7,18,12,13,0,0,0,0,0,0,0,0,0,0,0,13,15,22,6,14,0,6,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 O-O 11. Bc4 Nd7 12. O-O {D41: Queen's Gambit Declined: Semi-Tarrasch with 5 cxd5.} b6 13. a4 Bb7 14. Bd3 {White has an edge.} Nf6 15. Rfe1 h6 16. a5 bxa5 17. Rxa5 Qc7 18. Rc5 Qe7 {The position is equal.} 19. Qa5 Rfc8 20. Rxc8+ Rxc8 {[#]} 21. h3 $146 ({Predecessor:} 21. Qxa7 Qb4 22. Qa1 Rc3 23. Qb1 Qxb1 24. Bxb1 Rb3 25. h3 {½-½ (33) Gozzoli,Y (2596)-Gharamian,T (2614) Nimes 2018}) 21... Qc7 22. Qxc7 Rxc7 23. Ne5 Nd7 24. Ra1 Nxe5 25. dxe5 $11 {[%mdl 4096] Endgame KRB-KRB} a6 26. f3 Rc5 27. Rb1 Rc3 28. Bf1 Rc7 29. Ra1 g5 30. Bxa6 Bxa6 31. Rxa6 Rc5 32. Kf2 Rxe5 33. Kg3 {Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.2"]
[White "Gu, Xiaobing"]
[Black "Li, Xueyi"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2263"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,0,0,0,0,0,0,0,0,0,17,12,45,32,40,37,31,26,41,29,52,43,43,52,48,70,34,22,77,77,77,75,99,27,74,39,172,55,17,14,155,158,381,314,648,645,613,633,890,892,810,784,749,697,991,1000,900,775,1175,1102,29981,29982,29992,29993,29993,1437]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 Be6 7. Bxf6 exf6 8. c5 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g6 9. Bb5 Bg7 10. Nge2 {The position is equal.} O-O 11. O-O Qc7 12. Rb1 Ne7 {[#]} 13. Bd3 $146 ({Predecessor:} 13. Qd2 g5 14. f4 g4 15. f5 Nxf5 16. Nf4 Bh6 17. Ncxd5 Qd8 18. Qd3 Nh4 19. Nh5 {1-0 (34) Chow,M-Hill,R (2225) Melbourne 1998}) 13... a6 14. b4 f5 15. Qd2 Nc6 16. Bc2 Qd8 17. a4 Qf6 {[%cal Rc6d4]} 18. Rfd1 f4 19. Nxf4 Nxd4 20. Nfxd5 Bxd5 (20... Qh4 $11 {remains equal.}) 21. Nxd5 $16 Qe5 22. Bb3 Rad8 {[#]} 23. Qa2 ({White should try} 23. Qe3 $1 $16) 23... Rfe8 {Black wants to play ...Ne2+.} 24. Ne3 {[%cal Bd5e3,Be3g4,Bg4e5][%mdl 32]} Qf4 (24... Re7 $14) 25. Re1 ({Better is} 25. Bd5 $18) 25... Re5 $14 26. Bd5 Rh5 (26... Rexd5 $1 $11 {keeps the balance.} 27. Nxd5 Qg5) 27. g3 $16 Qh6 $2 (27... Nf3+ $16 {might work better.} 28. Bxf3 Qxf3) 28. Bxb7 $18 Kh8 $2 (28... a5 29. h4 Bf8) 29. Ng4 Qg5 30. Qxf7 {[#] Re8+ would kill now.} h6 31. Re7 {[%csl Ge7][%cal Rf7g7]} Rg8 32. Rbe1 {Threatening mate with Re8.} Qf5 33. Qxf5 gxf5 34. Ne5 Bf6 35. Rd7 Nc2 36. Nf7+ Kg7 37. Re6 {White mates.} Nxb4 38. Ng5+ Kg6 39. Nf3 {Weighted Error Value: White=0.18/Black=0.55} (39. Nh7 $142 Nd5 40. Bxd5 Rh4 41. Rxf6+ {[%mdl 64] Discovered Attack} Kh5 42. Bf3+ Rhg4 43. Rdd6 R8g6 44. Rxg6 {[%mdl 64] Pin} f4 45. Bxg4#) 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.3"]
[White "Tan, Zhongyi"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2510"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,55,10,18,0,6,13,14,8,5,-2,-4,0,15,-6,0,0,0,0,14,0,25,33,98,100,104,120,114,104,105,82,331,328,528,519,865,850]} 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 Nh5 9. Bxe7 Qxe7 10. Nge2 g6 11. O-O-O Nb6 12. Ng3 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} Nf6 13. Kb1 Be6 14. f3 {The position is equal.} O-O-O 15. Rhe1 {[#]} h5 $146 ({Predecessor:} 15... Kb8 16. Na4 Nxa4 17. Qxa4 Nd7 18. Rc1 Rc8 19. e4 Nb6 20. Qa5 Rhd8 21. Ne2 Qh4 {0-1 (28) Dobos,J (2311)-Szabo,Z (2369) Hungary 2002}) 16. Nge2 Kb8 17. Nc1 h4 18. h3 Nh5 19. Nb3 Ng3 20. a4 {[%cal Ba2a4,Ba4a5,Ba5b6][%mdl 32]} Bf5 21. e4 dxe4 (21... Be6 $1 $14) 22. fxe4 $16 Be6 {[#]} 23. a5 $1 {[%cal Ra5b6]} Qb4 24. d5 $1 $36 {[%cal Rd5e6][%mdl 2048] White is on the roll.} cxd5 {[#]} 25. Na2 $1 {[%cal Ra2b4]} ({Not} 25. axb6 dxe4 26. bxa7+ Ka8 $17) 25... Qa4 $2 (25... Qe7 $16) 26. axb6 $18 Rc8 $2 (26... axb6 27. Nc3 Qb4) 27. Nc3 Rxc3 (27... Qb4 $142 28. bxa7+ Kxa7 29. exd5 Bd7) 28. Qxc3 {Weighted Error Value: White=0.04/Black=0.37} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.4"]
[White "Xiao, Yiyi"]
[Black "Yan, Tianqi"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2301"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "180"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,180,30,18,21,31,29,29,22,22,26,20,32,27,33,20,26,26,17,17,17,22,17,13,12,12,8,13,11,23,8,7,0,66,68,104,83,92,89,89,46,54,51,51,59,79,83,80,78,89,30,51,10,10,8,185,187,201,174,185,189,179,103,92,68,93,91,486,484,458,420,383,209,189,139,167,164,159,112,283,281,855,433,1306,870,1117,1009,6057,295,247,284,301,250,244,228,131,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Na3 {E04: Open Catalan: 5 Nf3.} O-O 11. Qb5 b6 12. Qxc4 {White has an edge.} Ba6 13. Nb5 Qd5 14. Qxd5 Nxd5 15. a4 Na5 16. Ne5 Rbd8 $1 17. Nxa7 Nb4 18. Rac1 Rxd4 19. Nb5 Bxb5 20. axb5 f6 21. e3 Rdd8 22. Nf3 {aiming for Nd4.} Rf7 23. Nd4 Re7 24. Ra1 {[#] Black must now prevent Ra4.} Rd6 $146 (24... e5 $1 $11 25. Nf5 Red7) ({Predecessor:} 24... e5 25. Nf5 Red7 26. Ra4 c5 27. bxc6 Naxc6 28. g4 g6 29. Ng3 Kf7 30. h4 Rd2 {1-0 (79) Bosiocic,M (2611)-Sanikidze,T (2501) Batumi 2018}) 25. Ra4 $14 Nd3 26. b4 $36 {[%mdl 2048] White is on the roll.} Nc4 27. Be4 Nde5 {With the idea ...Nd2.} 28. Ra8+ Kf7 {Threatening ...Nd2.} 29. Bxh7 Nd2 30. Rc1 Ndf3+ 31. Nxf3 Nxf3+ 32. Kg2 Ne5 33. Bb1 (33. Bg8+ $1 $16 Kg6 34. Rc8) 33... Rd5 34. Ra7 Rxb5 35. Rcxc7 Rxc7 $2 (35... Nc6 $1 $11 36. Rxe7+ Nxe7) 36. Rxc7+ $11 {[%mdl 4096] Endgame KRB-KRN} Kf8 37. Ba2 Rxb4 38. Bxe6 Rb2 39. Bf5 ({White should play} 39. h4 $18) 39... b5 40. g4 g6 41. Be6 Nd3 $2 {[%mdl 8192]} (41... Rd2 $16 {is a better chance.}) 42. Rf7+ $18 {[%mdl 64] Double Attack} Ke8 43. Rxf6 Ke7 44. Rxg6 (44. g5 $142) 44... Rxf2+ 45. Kg3 {Threatens to win with Bf5.} Re2 46. Bf5 $1 {And now Re6+ would win.} Rxe3+ {[#]} 47. Kh4 $1 Nf4 $2 (47... Ne5 $16 48. Rh6 b4) 48. Rb6 Rh3+ (48... Re5 {is a better defense.} 49. Kg3 Ne2+ 50. Kf2 Nd4) 49. Kg5 Ng2 (49... Nd5 $142 50. Rxb5 Kd6) 50. Rb7+ Kd6 51. Rxb5 Nh4 52. Rb2 $2 (52. Be4 Rxh2 53. Kf4) 52... Nf3+ 53. Kf4 Nxh2 {[#]} 54. g5 $1 Rh4+ 55. Kg3 {[%mdl 64] Double Attack} Rh5 56. Rxh2 (56. Rb6+ $16 Kc5 57. Rg6 Nf1+ 58. Kf4 Rh4+ 59. Ke5) 56... Rxg5+ $16 {KRB-KR. The position is equal.} 57. Kf4 Rg1 58. Rd2+ Kc5 59. Ke5 Re1+ 60. Be4 Rc1 61. Rd8 {Cut Off at move 61} Rc3 62. Rd7 Rc4 63. Bd3 {Threatening mate with Rc7+.} Rc3 64. Rd8 Kb6 65. Kd4 Rc6 66. Be4 Kc7 67. Rh8 Re6 68. Bd5 Rd6 69. Kc5 Rc6+ 70. Kd4 (70. Kb4 {seems wilder.} Rc1 71. Rh6 Kc8 72. Be4 Re1 73. Bf5+) 70... Rd6 71. Ra8 Rb6 72. Ra7+ Kd6 73. Rh7 Rb4+ 74. Bc4 Rb6 75. Rh5 Rc6 76. Rg5 Rb6 77. Bb5 Ke7 78. Kc5 Re6 79. Bd3 Rf6 80. Bf5 Rh6 81. Be4 Re6 82. Kd4 Kd6 83. Ra5 Rf6 84. Bf5 Kc7 85. Ke5 Kb6 86. Ra1 Rc6 87. Bd7 Rc7 88. Rd1 Kc5 89. Rd5+ Kc4 90. Be6 {White wants to mate with Rd7+.} Rc5 {White really could win this.  Weighted Error Value: White=0.33/Black=0.29} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.5"]
[White "Song, Yuxin"]
[Black "Yuan, Ye"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2290"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,39,45,47,57,48,46,45,45,45,55,55,56,51,64,40,50,42,58,-15,79,77,63,74,67,79,80,51]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. Nc2 Be7 {B41: Sicilian: Kan Variation: 5 c4.} 9. O-O O-O 10. Be3 d6 {White is slightly better.} 11. Rc1 b6 {[#]} 12. f3 $146 ({Predecessor:} 12. Nd4 Bb7 13. f3 {½-½ (13) Khalifman,A (2617)-Kantsler,B (2436) Hersonissos 2017}) 12... Bb7 13. Qe1 Nbd7 14. Qf2 Rac8 15. Rfd1 Qb8 16. Na4 ({But not} 16. Bxb6 Nxb6 17. Qxb6 d5 $11) (16. Nd4 $14) 16... d5 (16... b5 $1 $11 {remains equal.} 17. cxb5 axb5 18. Bxb5 Bxe4) 17. exd5 $16 exd5 18. Nxb6 Nxb6 19. Bxb6 dxc4 20. Bd4 {Weighted Error Value: White=0.14/Black=0.21} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.20"]
[Round "2.6"]
[White "Ni, Shiqun"]
[Black "Zhai, Mo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2389"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,10,10,31,6,23,42,32,23,57,48,133,137,139,69,182,122,110,78,157,158,154,162,148,141,262,253,257,245,312,295,437,433,425,407,411,355,536,537,710,720,974,959,1178,760,757,743,786,771,741,705]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. O-O O-O 6. c3 c6 7. Nbd2 Nbd7 8. Re1 h6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 9. e4 Nxe4 10. Nxe4 dxe4 {White is slightly better.} 11. Rxe4 Nf6 12. Re1 Be6 {[#]} ({Black should play} 12... a5 $14) 13. Rxe6 $1 $16 fxe6 14. Qb3 {[#]} (14. Qc2 $16) 14... c5 $146 (14... Nd5 $14) ({Predecessor:} 14... Qc8 15. Bd2 Ne4 16. Re1 Rxf3 17. Rxe4 Rf6 18. Bh3 Kf7 19. Bg4 Qd7 20. Bf4 Qd5 {1-0 (28) Johnson,J (2185)-Khafra,E (1656) Port of Spain 2019}) 15. Qxe6+ ({Better is} 15. dxc5 $18 {aiming for Nd4.} Nd5 16. Nd4 (16. Qxb7 Qe8 $16) 16... Bxd4 17. cxd4) 15... Kh7 16. dxc5 Qd7 (16... Qd1+ $142 17. Qe1 Qxe1+ 18. Nxe1 Rab8) 17. Nd4 Rad8 18. Bf4 Nh5 19. Be3 $36 {[%mdl 2048] White is in control.} Bf6 (19... Bxd4 $16 20. Qxd7 Rxd7 21. Bxd4 (21. cxd4 e6 $16) 21... Ng7) 20. Qb3 $18 {Strongly threatening Ne6.} Bxd4 21. cxd4 Rb8 22. d5 Rfd8 (22... Ng7 $142 23. Re1 e5) 23. Re1 Rbc8 24. c6 bxc6 25. dxc6 Qf5 (25... Rxc6 $142 26. Bxc6 Qxc6 27. Bxa7 Rd7) 26. Bxa7 {White is clearly winning.} Qf6 27. Bc5 Rc7 28. Bb6 Rf8 29. Qe3 Rxc6 30. Bxc6 Qxc6 31. Qxe7+ {[%mdl 64] [#] Double Attack} Kg8 32. Bc5 {Accuracy: White = 74%, Black = 32%.} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.1"]
[White "Zhai, Mo"]
[Black "Guo, Qi"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2366"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,4,18,15,26,18,44,12,10,7,25,16,47,28,31,4,1,-357,-16,0,-5,-8,0,0,0,0,0,0,0,0,0,0,27,23,31,25,33,10,35,20,35,35,35,29,16,0,37,0,27]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Bf5 7. Nge2 Nd7 8. h4 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6.} h5 9. Ng3 {[#]} Bg4 $146 ({Predecessor:} 9... Bg6 10. Be2 Ngf6 11. Bd3 Bxd3 12. Qxd3 g6 13. Nge2 Nf8 14. f3 Ne6 15. Be5 Bd6 {1-0 (63) Giri,A (2764)-Magalashvili,D (2456) chess.com INT 2020}) 10. Be2 {White is slightly better.} Bxe2 11. Qxe2 g6 12. e4 dxe4 13. Ngxe4 {d5 is the strong threat.} Ngf6 $1 14. Nd6+ Kf8 15. O-O-O $2 {[%mdl 8192] [#]} (15. Nxb7 $11 {and White has nothing to worry.} Qb6 16. Nc5) 15... Bxd6 $2 (15... Qb8 $1 $19 16. Be5 Bxd6) 16. Bxd6+ $11 Kg7 17. Rhe1 Qa5 18. Be5 Rhe8 19. f4 Rad8 20. Kb1 Nxe5 21. fxe5 Nd5 22. Ne4 f5 $1 {[%cal Rf5e4]} 23. Nc5 Qc7 24. Qf3 Qf7 25. g3 Re7 26. Re2 Kh7 27. a3 Kg8 28. Rf2 Kg7 29. Re2 Kg8 30. Rf2 Kg7 {Accuracy: White = 82%, Black = 79%.} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.2"]
[White "Yuan, Ye"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2081"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,61,11,22,4,18,0,0,0,0,0,0,0,0,0,0,0,25,33,46,45,49,49,57,51,81,14,31,0,16,16,20,0,0,0,0,0,0,0,0,0,0,0,17,18,14,0,22,0]} 1. d4 {Polgar,Zsu} d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nc6 {7...Qf6 is vanishing.} 8. O-O Qf6 $1 {8...Qf6 is better than 8...Nf6.} 9. e5 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} Qg6 10. Re1 Nge7 11. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} O-O 12. Qb3 a6 13. a4 Be6 14. Bxe6 fxe6 15. b5 {[#]} Nd8 $146 (15... Na5 $5 {[%cal Ra5b3]} 16. Qa3 (16. Qb4 Nd5 $17) 16... Nd5 $11) ({Predecessor:} 15... Na5 16. Qb4 Nd5 17. Qxd4 Nb3 18. Nxb3 Rxf3 19. Nc5 Nf4 20. g3 Nh3+ 21. Kh1 Rxf2 {0-1 (65) Epishin,V (2615)-Polgar,Z (2535) Brno 1991 CBM 026 [Polgar,Zsu]}) 16. Nxd4 Nd5 17. Qg3 Qxg3 18. hxg3 Kf7 19. Ne4 Ke7 20. f4 (20. Rac1 $16) 20... h6 21. Red1 (21. Rac1 {feels hotter.} axb5 22. axb5 Ra3 23. Ne2 Re3 24. N2c3) 21... g5 {The position is equal.} 22. fxg5 hxg5 23. Nxg5 (23. Rac1 {is interesting.} axb5 24. axb5 Ra4 25. Nf6 c6 26. Nh7) 23... axb5 24. axb5 Rxa1 25. Rxa1 Rg8 26. Ne4 Rg4 27. Re1 Nf7 28. Nf3 Rg8 29. Ra1 Rg4 30. Re1 Rg8 31. Ra1 {Weighted Error Value: White=0.10/Black=0.06} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.3"]
[White "Yan, Tianqi"]
[Black "Song, Yuxin"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2207"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,133,26,17,34,-3,7,10,-10,-17,15,27,32,20,56,52,61,0,0,0,55,55,99,10,10,6,5,6,6,-7,0,0,0,0,24,34,28,29,39,37,69,63,162,168,167,177,229,222,233,230,224,221,214,207,197,131,139,131,222,214,222,222,236,235,232,240,263,255,267,267,267,267,267,222,222,222,261,238,230,227,227,212,222,189,293,175,172,172,174,172,421,432,516,468,664,630,639,629,775,768,787,710,613,588,563,466,5691,5206,29975,29976,29976,29977,29977,29978,29987,29985,29986,29985,29985,29986,29989,29990,29995,29988]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 d5 {B81: Sicilian Scheveningen: Keres Attack.} 8. Bg5 dxe4 9. Qd2 {[#]} Nbd7 $146 {The position is equal.} ({Predecessor:} 9... Bb4 10. O-O-O Nbd7 11. Nde2 O-O 12. Bg2 Qc7 13. Kb1 Qc4 14. Qc1 Nd5 15. Nxd5 exd5 {1-0 (36) Trubchaninov,A (1837)-Gadimbayli,A (2001) Porto Carras 2013}) 10. O-O-O Be7 11. Bg2 Nc5 12. Nb3 Nxb3+ 13. axb3 Qxd2+ 14. Rxd2 (14. Bxd2 $14 Bd7 15. Nxe4 (15. Bxe4 Nxe4 16. Nxe4 Bc6 $15)) 14... Bd7 15. Bxf6 Bxf6 (15... gxf6 $11 16. Rhd1 (16. Bxe4 f5 $11) (16. Nxe4 Bc6 $11) 16... O-O-O) 16. Nxe4 $14 Be5 17. Kb1 ({Better is} 17. Nd6+ $1 $16 Ke7 18. Nxf7 $1 {[%mdl 576] Double Attack}) 17... Bc6 $11 18. Nd6+ {[%mdl 64] Double Attack} Ke7 $132 {[%mdl 2048] Black is not holding back} 19. Bxc6 bxc6 20. Rhd1 Rhd8 {[%cal Re5d6]} 21. Nb7 Rd5 22. b4 Rb8 23. Na5 Kd7 24. c3 Kc7 25. Kc2 Bf4 26. Rd4 Rbd8 ({Black should play} 26... Rxd4 $14 27. Rxd4 g5) 27. Nxc6 $1 $18 Kxc6 28. Rc4+ Kb5 (28... Kb6 {was called for.} 29. Rxd5 Rxd5 30. Rxf4 f6) 29. Rxd5+ Rxd5 30. Rxf4 {[%mdl 4096] Endgame Black must now prevent c4+. KR-KR} Rd7 31. Rf3 Rc7 32. Rd3 Rc4 {[#]} 33. b3 (33. Kd2 $1 $18) 33... Rf4 $16 34. f3 g5 (34... Rf6 $16 {might work better.} 35. Kd2 Kc6) 35. Kd2 $18 Rf6 36. Ke3 Rh6 37. Rd7 Rf6 38. Rd8 Rg6 39. Rf8 Rf6 40. Rg8 h6 41. Rc8 Kb6 42. Rc5 Rg6 43. Re5 Rf6 44. c4 Rg6 45. Ra5 Rg8 46. c5+ Kb7 47. Ra2 Rb8 (47... h5 $142 48. Rd2 (48. gxh5 Rh8 $16) 48... hxg4) 48. Rd2 (48. Kd3 $142) 48... Kc7 49. Rd4 a5 {[#]} 50. Kd3 $1 ({But not} 50. bxa5 $6 Rxb3+ 51. Rd3 Rb5 $16) 50... axb4 $2 (50... e5 {is a better defense.} 51. Re4 Kc6) 51. Kc4 h5 52. gxh5 Rh8 (52... f5 $142 53. h4 e5) 53. h4 Rxh5 54. hxg5 Rxg5 55. Kxb4 e5 56. Rd3 Rf5 57. Kb5 Rf6 58. b4 Rf4 (58... Re6 $142 59. Ra3 Kb7) 59. Ra3 f6 60. c6 {White mates.} Kd6 61. Rd3+ {Cut Off at move 61} Kc7 62. Kc5 e4 63. fxe4 Rxe4 64. Rd7+ Kc8 65. Rf7 Rf4 66. b5 Rf5+ 67. Kb6 {Weighted Error Value: White=0.14/Black=0.41} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.4"]
[White "Hu, Yu A."]
[Black "Xiao, Yiyi"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2094"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,94,14,31,33,53,20,24,12,27,4,18,-20,16,-22,-8,-72,-55,-56,-58,-90,-61,-60,-52,-109,-46,-66,-66,-107,-97,-89,-64,-67,-58,-48,-45,-118,-120,-141,-129,-127,-145,-250,-246,-321,-319,-411,-411,-409,-393,-406,-404,-400,-393,-477,-480,-495,-483,-568,-559,-563,-549,-739,-728,-700,-706,-693,-683,-601,-560,-4833,-4308,-2412,-2060,-2631,-2046,-29983,-29984,-29985,-29986,-29989,-29987,-29992,-29993]} 1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Qf3 e6 6. Nge2 Nd7 7. d4 Qf6 8. Qg3 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3.} Qg6 9. O-O Qxg3 ({Wrong is} 9... Qxc2 $2 10. Bd3 $18) 10. hxg3 {White has an edge.} Be7 {[#]} 11. Bd2 $146 ({Predecessor:} 11. Re1 N7b6 12. Bb3 O-O 13. Nf4 Bf6 14. Nce2 g6 15. Nd3 Nd7 16. c4 Ne7 17. f4 {0-1 (75) Ricci,A (2020)-Ager,J (2231) Arco 2008}) 11... O-O 12. Rae1 a5 13. a4 Nb4 14. Bb3 (14. Rc1 $1 $11) 14... b6 $17 15. Rd1 Ba6 16. Rfe1 Rfd8 17. Nf4 Nf6 18. Be3 (18. Ne4 $15) 18... g5 (18... c5 $17 19. Rd2 c4) 19. Nfe2 h6 20. Na2 Nbd5 21. Bc1 Ra7 22. c4 Nb4 23. Nxb4 Bxb4 24. Rf1 {White is now going downhill.} (24. Bd2 $15) 24... Rad7 25. f4 Ne4 26. fxg5 hxg5 27. Be3 (27. Nc3 $17 {was necessary.} Nxg3 28. Rf3 Bxc3 29. bxc3 Ne2+ 30. Kh2 Nxc1 31. Rxc1) 27... c5 $19 28. Kh2 cxd4 29. Nxd4 Bc5 {[%cal Rc5d4]} 30. Nc6 Rxd1 (30... Bxe3 $2 31. Nxd8 Nd2 32. Rxd2 $19 (32. Rfe1 $2 Bc5 $19)) 31. Bxd1 Rxd1 32. Rxd1 {[#] Bxc5 is the strong threat.} Bxe3 33. Rd8+ Kg7 34. b3 Nc5 35. Ne5 f5 36. Nd7 {and the idea Nxc5 leaves White hopeful.} Nxb3 37. Nxb6 Bxb6 38. Rd6 Bxc4 39. Rxb6 Kf6 40. g4 Ke5 41. Kg3 f4+ 42. Kf2 Kd4 43. g3 e5 44. Rf6 Nc5 {Black mates.} 45. Rd6+ Bd5 46. Rg6 Ne4+ 47. Kg1 f3 {Weighted Error Value: White=0.86/Black=0.08} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.5"]
[White "Li, Xueyi"]
[Black "Tan, Zhongyi"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2328"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,159,27,12,32,-32,-29,-22,-22,-39,-37,-81,-45,-54,-64,-46,-50,-53,7,18,0,0,24,31,26,42,30,27,20,31,74,102,141,161,149,123,130,10,9,9,62,10,9,-71,0,0,0,0,14,18,23,8,20,-13,-13,-13,-13,-13,-13,-13,-13,-13,-12,-13,-12,-12,-4,-11,-11,-11,-11,-34,-34,-34,-34,-34,-34,-34,-34,-53,-53,-53,-34,-52,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-102,-8,-8,0,-8,-8,-8,-8,-8,0,-8,0,0,0,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,0,-8,0,-8,-8,-8,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 c6 4. Bg2 d5 5. Nf3 Bg7 6. O-O dxc4 {D73: Fianchetto Grünfeld: 5 Nf3 .} 7. Na3 (7. Qc2 $14) 7... b5 $1 $15 8. Ne5 Nd5 9. e4 Nb4 10. Bf4 Nd7 11. Nc2 {[#]} Bxe5 $146 ({Predecessor:} 11... Nxe5 12. Nxb4 Nd3 13. Nxd3 cxd3 14. e5 Qb6 15. Rc1 Bb7 16. Qxd3 O-O 17. Rfd1 Rfd8 {1-0 (32) Xiao,Y (2218)-Lei,T (2444) China 2015}) 12. Nxb4 Bxf4 13. Nxc6 Qc7 (13... Qb6 $1 $15 14. gxf4 Bb7) 14. gxf4 $11 Bb7 (14... Qxc6 $6 15. e5 $16) 15. d5 Qxf4 16. a4 Bxc6 17. dxc6 Ne5 $1 {[%cal Re5g4]} 18. Qc1 $1 {[%cal Rc1f4]} ({Not} 18. axb5 $2 Ng4 $19) 18... Qxc1 19. Rfxc1 Nxc6 {aiming for ...Nd4.} 20. axb5 Nd4 {And now ...Ne2+ would win.} 21. Rxc4 Rd8 22. e5 ({But not} 22. Rxa7 $6 Nxb5 23. Ra5 Nd4 $11) 22... O-O 23. Rxa7 ({Only move:} 23. Bc6 $16) 23... Nxb5 24. Rxe7 Rd1+ 25. Bf1 Nd4 26. Rcc7 (26. Kg2 $11 Nf5 27. Rb7) 26... Nf3+ (26... Ne2+ $17 27. Kg2 Nf4+ 28. Kf3 Ne6) 27. Kg2 Nh4+ 28. Kg1 $1 Nf5 29. Red7 Re1 30. f4 {White wants to play Kf2.} Rb1 31. Rd2 Ne3 {[%csl Ge3][%cal Rb1f1]} 32. Rf2 Rb8 (32... Ra8 $5 33. Rf3 $8 Nxf1 34. Rxf1 Rxb2 $11) 33. Rf3 Nxf1 34. Rxf1 Rxf1+ 35. Kxf1 Rxb2 {[%mdl 4096] Endgame KR-KR} 36. Rc8+ Kg7 37. Rc7 Kf8 38. e6 fxe6 {...h5 is the strong threat.} 39. Rxh7 Rb4 40. Kf2 Rxf4+ 41. Ke3 Rf7 42. Rh8+ Kg7 43. Ra8 Rf5 44. Ke4 Kf6 45. Rf8+ Kg5 46. Rh8 Rf2 ({Black should try} 46... Rc5 $15) 47. h4+ Kg4 48. Rh6 $1 Re2+ {[#]} 49. Kd3 $1 {[%mdl 512]} Rh2 50. Rxg6+ {[%mdl 64] Double Attack} Kf5 51. Rh6 e5 52. Rh8 Rh3+ 53. Ke2 Kf4 54. h5 Rh2+ 55. Kf1 Kf3 {[%cal Rh2h1]} 56. Rf8+ (56. Kg1 {keeps more tension.} Rg2+ 57. Kf1 Rf2+ 58. Kg1 Rg2+) 56... Ke3 57. Ra8 e4 58. Ra3+ Kf4 59. Ke1 Rxh5 60. Rb3 Rh2 61. Ra3 {Cut Off at move 61} Rc2 62. Kd1 Rf2 63. Ke1 Rf3 64. Ra8 {[#]} (64. Ra2 $1 $11) 64... Rb3 ({Black should play} 64... Rh3 $1 $17 65. Kd2 Rh2+ 66. Kd1 Kf3) 65. Rh8 {The position is equal.} Rc3 66. Ke2 Rc2+ 67. Ke1 $1 Kg3 68. Rh7 Kg4 69. Rh8 Kf3 70. Rh3+ Kf4 71. Ra3 Rb2 72. Rc3 Ke5 73. Ra3 (73. Rc5+ {with more complications.} Kd4 74. Ra5 Rh2 75. Ra3 Rg2 76. Rb3) 73... Kd4 74. Rh3 Rb1+ 75. Ke2 Ra1 76. Rg3 Kc4 77. Rh3 Rc1 78. Rg3 Rc2+ 79. Ke1 Rc3 80. Rxc3+ {Weighted Error Value: White=0.12/Black=0.09} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.21"]
[Round "3.6"]
[White "Ning, Kaiyu"]
[Black "Gu, Xiaobing"]
[Result "0-1"]
[ECO "E64"]
[WhiteElo "2327"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,126,40,52,25,62,60,87,46,56,56,60,30,32,27,28,27,29,17,26,0,0,0,52,21,18,0,0,0,0,0,0,-56,-59,-60,-57,-55,87,71,116,2,203,15,110,106,111,4,6,0,191,14,0,4,137,143,140,0,0,0,0,0,0,-57,-49,-294,-294,-312,-312,-383,-258,-454,-458,-460,-452,-451,-376,-622,-472,-1380,-225,-220,-213,-218,-183,-225,-189,-278,-235,-235,-163,-175,-170,-157,-129,-167,-129,-134,-129,-136,-127,-469,-550,-538,-492,-1201,-1152,-12845,-12846,-29987,-29988,-29988,-29989]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 d6 6. g3 O-O 7. Bg2 Na6 8. O-O Nc7 9. e4 e5 10. dxe6 {E64: King's Indian: Fianchetto: 6...c5 7 d5.} Bxe6 11. Qd3 Qe7 {[#]} 12. Re1 $146 {White is better.} ({Predecessor:} 12. Bf4 Rfd8 13. Rad1 Nfe8 14. h3 h6 15. Rfe1 Qf8 16. b3 a6 17. a4 f5 18. Bc1 {1-0 (29) Nikolic,P (2485)-Arapovic,V (2370) Sarajevo 1982}) 12... Rfd8 13. Bg5 h6 14. Nd5 Bxd5 15. exd5 Qd7 16. Bd2 b5 17. b3 a5 18. a4 {[%cal Ra4b5]} bxc4 19. bxc4 Nfe8 (19... Rdb8 $11) 20. Ra3 Na6 21. Bxa5 Nb4 22. Bxb4 cxb4 23. Rb3 Bc3 24. Rxc3 (24. Reb1 $1 $11) 24... bxc3 $15 25. Qxc3 Qxa4 26. Nd4 Nc7 (26... Qa3 $15 {stays ahead.} 27. Qd2 Nf6) 27. Nc6 $16 Rf8 28. c5 (28. h4 $1 $16) 28... dxc5 $2 (28... Ne8 $1 $11 {and Black has nothing to worry.}) 29. Qxc5 $2 (29. d6 $1 $18 Ne6 30. Qf6) 29... Na6 (29... Kh7 $11 {remains equal.}) 30. Qc3 $1 {[%mdl 1024] Hoping for d6. White has strong compensation.} Rae8 31. Ne7+ (31. Ra1 $16 Qb5 32. d6) 31... Kh7 $11 32. h4 h5 $2 (32... Qb4 $11 {and Black is okay.} 33. Qxb4 Nxb4) 33. Qf6 $2 (33. Re4 $1 $18 {[%cal Re4a4]} Qd7 34. Qf6) 33... Nc5 34. d6 Qc2 (34... Qa5 $1 $11 35. Re5 Nd7 36. Qxg6+ (36. Rxa5 Nxf6 37. Ra2 Rb8 $17) 36... fxg6 37. Rxa5 Rf6) 35. Bd5 $1 $16 {[%cal Rd5f7]} Nd7 {[#]} 36. Qf3 ({White must play} 36. Qg5 $1 $16 Qd3 37. Kg2) 36... Kg7 $11 37. Bc6 Rd8 $1 38. Qd5 Qc5 {Threatens to win with ...Qxd5.} 39. Qd2 (39. Bb5 $1 $11) 39... Ne5 $36 {[%mdl 2048] Black fights for an advantage.} 40. Qb2 $2 (40. Qg5 $1 $15 Nd3 {[%mdl 64] Double Attack} 41. Qxc5 Nxc5 42. Rd1) 40... f6 $19 {And now ...Nd3 would win.} 41. Qb7 {White threatens Nf5+! and mate.} Kh6 42. Be4 {If White can now play Bxg6 this consolidates a bit.} Rd7 43. Qb1 $2 (43. Qd5 Qxd6 44. Qxd6 Rxd6 45. Re2) 43... f5 44. Bg2 {intending Qb2.} Rxd6 45. Rc1 Qd4 46. Qa2 $2 (46. Nc6 Nxc6 47. Rxc6) 46... Rb8 {...Rb2 is the strong threat.} 47. Rc7 (47. Qa5 $142) 47... Rd7 $2 (47... Qd1+ 48. Bf1 Nf3+ 49. Kg2 Nd2) 48. Rxd7 Qxd7 ({Worse is} 48... Nxd7 {[#]} 49. Qe6 $1 $11 {[%mdl 512]}) 49. Nd5 {With the idea Qd2+.} Qe6 50. Qc2 {White hopes to continue with Qc1+.} Rd8 51. Qb3 (51. Qc1+ $142 Kh7 52. Qc5) 51... Ng4 {( -> ...Qe1+)} 52. Qc3 Rc8 ({And not} 52... Qe2 53. Qc1+ f4 54. Qxf4+ Kh7 55. Qc7+ Kh6 56. Qf4+ Kh7 57. Qc7+ Kh6 58. Qf4+ $11) 53. Qd2+ Kh7 54. Nf4 Qe7 55. Bd5 Qc5 {White must now prevent ...Qc1+.} 56. Kg2 Rd8 {Strongly threatening ...Nf6.} 57. Qa2 Nf6 58. Bf7 $2 {[%mdl 8192]} (58. Bf3 $17 {is tougher.} Qe7 59. Ne6) 58... Qc6+ 59. f3 Qc1 {aiming for ...Rd2+.} 60. Bg8+ ({Much worse is} 60. Bxg6+ Kh6) (60. Ne2 $142 Rd2 61. Qa6) 60... Kh6 61. Qe6 Rd2+ 62. Ne2 {[#]} Ne4 $1 {[%mdl 512]} 63. Qa6 {[#]} (63. fxe4 Rxe2+) 63... Qe1 $1 {Weighted Error Value: White=0.80/Black=0.44} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.1"]
[White "Guo, Qi"]
[Black "Gu, Xiaobing"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "2418"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,106,39,40,43,39,42,54,56,92,45,35,32,74,75,75,75,107,88,131,92,97,79,88,94,83,100,83,27,27,26,33,41,33,6,66,12,12,12,12,12,12,12,12,12,12,12,16,8,8,8,8,8,8,8,8,8,8,8,12,0,0,0,146,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O exd4 8. Nxd4 Re8 9. f3 Nc6 10. Be3 Nh5 11. Qd2 Nxd4 12. Bxd4 Nf4 {[#] And now ...Qg5! would win.} 13. Rf2 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} Bxd4 14. Qxd4 Nxe2+ 15. Rxe2 {White is slightly better.} Be6 {[#]} 16. Nd5 $146 ({Predecessor:} 16. Rd1 c6 17. b3 {½-½ (17) Savina,A (2378)-Sandu,M (2261) Riga 2017}) 16... Bxd5 17. cxd5 Qg5 18. Rc2 Re7 19. Rac1 Rc8 20. Qxa7 b6 21. Qa3 f5 22. Qd3 fxe4 23. fxe4 Rf8 24. Rxc7 Qf4 {( -> ...Rxc7)} 25. R7c2 (25. h3 $16) 25... Rxe4 $11 26. Rf1 Qe5 {White must now prevent ...Rxf1+.} 27. Rxf8+ Kxf8 $14 {[%mdl 4096] Endgame KQR-KQR} 28. Rc1 (28. h3 {is more complex.} Kg7 29. Rc7+ Kg8 30. Qf3 Rf4 31. Re7) 28... g5 (28... Kg8 $11) 29. Qc3 (29. h3 $14) 29... Qd4+ $11 30. Qxd4 Rxd4 {KR-KR} 31. Rc6 Rd1+ 32. Kf2 Rd2+ 33. Kf3 Rxb2 34. Rxd6 b5 35. Rb6 h5 36. h3 Ke7 37. a3 Rb3+ 38. Ke4 Rg3 39. Ke5 {Black should prevent Rb7+.} Rxg2 40. Rb7+ Ke8 41. Ke6 {[%cal Rb7b8]} Re2+ 42. Kd6 Ra2 {[#]} (42... Re3 $11 {remains equal.}) 43. Rh7 ({Much weaker is} 43. Rxb5 $6 Rxa3 44. Ke6 Re3+ 45. Kf6 Rxh3 $11) ({White has to play} 43. Re7+ $1 $16 Kf8 44. Re3) 43... h4 {The position is equal.} 44. Re7+ Kd8 45. Re3 Rb2 46. Rf3 {[%cal Rf3f8]} Ke8 47. Kc7 {Threatens to win with Rc3.} Rc2+ 48. Kd6 Rg2 49. Re3+ Kf7 50. Re7+ Kf6 51. Re6+ Kf7 52. Re7+ Kf6 53. Re6+ Kf7 {Weighted Error Value: White=0.13/Black=0.12} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.2"]
[White "Tan, Zhongyi"]
[Black "Ning, Kaiyu"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2510"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,105,6,0,-4,-14,-12,-14,-14,-26,-26,-45,-33,-42,-53,-51,-40,-41,-45,-54,-38,-29,0,-100,-110,-101,-101,-105,-102,-188,-102,-230,-184,-277,-275,-268,-238,-394,-370,-346,-265,-302,-217,-206,-22,-66,0,0,0,0,0,0,0,0,0,0,0,0,0,0,106,131,104,120,159,157,148,146,155,149,143,150,204,211,309,158,362,328,328,322,291,239,175,122,108,50,42,0,128,128,29978,29977,29996,29997,29997,29998,29998,29999]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Nbd2 dxc4 6. Bg2 b5 {E04: Open Catalan: 5 Nf3.} 7. O-O a5 8. a4 c6 {The position is equal.} 9. Qc2 O-O 10. e4 h6 11. e5 Nd5 12. Ne4 {[#]} Be7 $146 ({Predecessor:} 12... Ra7 13. Bd2 Na6 14. Rfd1 Qb6 15. Qc1 Bxd2 16. Qxd2 Nab4 17. Bf1 Ba6 18. g4 f5 19. exf6 Nxf6 20. Nxf6+ Rxf6 {½-½ (41) Vinchev,S (2382)-Murden,C (2434) ICCF email 2012}) 13. g4 Na6 14. g5 Nab4 15. Qd1 h5 16. Ne1 (16. Nh4 $11 {keeps the balance.} g6 17. Nf6+ Kg7 18. Be4) 16... g6 $17 17. Nf6+ Kg7 $1 (17... Bxf6 18. gxf6 bxa4 19. Qd2 $16) 18. Be4 bxa4 (18... Bxf6 $2 19. gxf6+ Kg8 20. Qd2 $18) 19. Ra3 (19. Rxa4 $17 {is a better defense.} c3 20. Nf3) 19... Nd3 (19... Bxf6 20. gxf6+ Kg8 21. Rf3 $18) (19... Ba6 $19 20. f4 Nd3 21. Rxa4 Nb6) 20. Bxd3 (20. Rxa4 $17 Nxc1 21. Qxc1) 20... Bxa3 21. Bxg6 (21. Bxc4 $142 Bb4 22. Qxa4) 21... fxg6 $19 22. bxa3 Ba6 23. Nf3 $2 (23. Ng2) 23... Qb6 24. Nh4 {next Nxg6! is good for White.} Ne7 (24... Nxf6 $2 25. exf6+ (25. gxf6+ Kf7 $16) 25... Kf7 26. Nxg6 $1 $18 {[%mdl 512]}) 25. Be3 Qb3 {White must now prevent ...c3.} 26. Qf3 Rf7 $2 (26... Qxa3 27. Nxg6 $1 {[%mdl 512]} Nxg6 28. Nxh5+ Kg8 29. Nf6+ Rxf6 30. gxf6 $17) ({Better is} 26... c3 $1 $19 27. Nxg6 {[%mdl 64] Remove Defender} Nxg6) 27. d5 cxd5 (27... Nxd5 $15 28. Nxg6 Qd3) 28. Nxg6 $1 $11 {[%mdl 64] Remove Defender} Nxg6 29. Qxh5 {[%csl Ge3,Gg5][%cal Rh5h6]} Rh8 {[#]} 30. Ne8+ $1 {[%mdl 512]} Rxe8 (30... Kf8 $2 31. Qxg6 Kxe8 32. Qxe6+ Kf8 33. g6 $18) 31. Qh6+ Kg8 32. Qxg6+ Kf8 33. Bc5+ {[#]} Ree7 $1 34. Qxe6 {[%mdl 64] Pin} (34. Bxe7+ Kxe7) 34... Qf3 (34... Qb7 $11) 35. g6 $1 $16 {[%cal Rg6f7]} Kg7 (35... Rg7 $2 36. Rb1 $18) 36. Bxe7 Rf5 37. Bf6+ $1 $40 {[%mdl 128] Black is in trouble.} (37. Qxa6 Qg4+ 38. Kh1 Qf3+ 39. Kg1 Qg4+ 40. Kh1 Qf3+ 41. Kg1 $11) 37... Kh6 38. Bh4 (38. Qxa6 $6 Rf4 $11) 38... Qg4+ 39. Bg3 Qxg6 40. Qxd5 {Strongly threatening Rd1.} Kh7 {[#]} (40... c3 $16) 41. Rd1 $1 $18 {Qd7+ is the strong threat.} (41. Qxa5 $6 Qc6 $14) 41... Rf7 (41... Bc8 $142 42. Qxc4 {[%mdl 64] Double Attack} Be6) 42. Qd4 (42. Qxa5 Bb7 $14) (42. e6 $18 Re7 43. Qc5 (43. Qxa5 Bc8 $16) 43... Qxe6 44. Qh5+ (44. Qxa5 Bb7 $11) 44... Kg7 45. Rd4 (45. Qxa5 Bb7 $14) 45... Qe1+ 46. Kg2 Bb7+ 47. f3 Qe2+ 48. Bf2) 42... Qf5 $2 (42... Rg7 $16 43. f3 Bb7) 43. Qh4+ Kg7 44. e6 Qxe6 45. Qg5+ Qg6 46. Qxa5 ({White should try} 46. Qe5+ $18 Kg8 47. h3 (47. Rd8+ Rf8 $16)) 46... Kh7 $16 47. Qd8 (47. Qxa4 $16 Rc7 48. Qa5) 47... Qe4 $14 48. Qa5 {Threatening mate with Qh5+.} Qf3 {[#]} ({Stronger than} 48... Bb7 49. Qh5+ Kg7 50. Be5+ Qxe5 51. Qxe5+ Kh7 52. Qh5+ Kg7 53. Rd6 Rxf2 54. Qh6+ Kg8 55. Rg6+ Kf7 56. Rg7+ Ke8 57. Qe6+ {[%mdl 64] Double Attack} Kf8 58. Rg8#) (48... Qg6 $1 $11) 49. Rd5 $1 $16 {[%cal Rd5h5] aiming for Rh5+.} Bb7 $4 {[%mdl 8192]} (49... Qf6 $16) 50. Rh5+ {White mates.} Kg8 51. Qd8+ Rf8 52. Qg5+ Kf7 53. Rh7+ {What a bad dream for Black. Accuracy: White = 60%, Black = 54%.} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.3"]
[White "Xiao, Yiyi"]
[Black "Li, Xueyi"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2301"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,18,30,22,22,20,23,36,23,0,40,37,44,23,13,0,0,0,0,-10,-23,-24,-29,-44,-29,-52,-45,-48,-39,-42,15,14,20,0,63,8,34,22,8,0,0,0,0,0,0,0,0,0,0,-31,6,-9,101,0,0,0,0,0,7,8,6,6,6,6,8,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 {[%cal Bb8c6,Bc6e5,Be5d3][%mdl 32]} 6. Bg5 dxc4 7. d5 Ne5 8. Qd4 Nd3+ 9. Bxd3 cxd3 10. Qxd3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} g6 11. Nf3 Bg7 12. O-O {White has an edge.} O-O 13. Rfe1 Re8 {[#]} 14. h3 $146 ({Predecessor:} 14. Rad1 a6 15. Qc4 b5 16. Qc5 Bg4 17. Rd3 Rc8 18. Qd4 Rc4 19. Qe3 b4 20. Ne5 {0-1 (31) Volcko,R (1913)-Vrabel,M (2062) Slovakia 2015}) 14... Qb6 15. Qc4 Bf5 16. Re2 h6 17. Be3 Qa5 18. Qc5 Qa6 {Strongly threatening ...Nd7.} 19. Nd4 Rac8 20. Qb5 Qxb5 21. Ndxb5 a6 22. Nd4 Bd3 23. Rd2 Be4 (23... Bc4 $1 $15) 24. Nb3 $11 Bf5 25. f3 Red8 ({Black should play} 25... Nd7 $11) 26. Rad1 (26. Bb6 $14) 26... g5 27. g4 Bg6 28. Bb6 Rd7 29. a4 Rd6 30. Bc5 Rd7 31. Bb6 Rd6 32. Bc5 Rd7 33. Kg2 Rdc7 34. Bd4 (34. d6 {is more complex.} exd6 35. Bxd6 Rd7 36. Bc5 Rcc7 37. Bb6) 34... Nd7 {[#]} (34... Ne8 $11) 35. Re1 ({White has to play} 35. d6 $1 $16 {[%cal Rd6c7][%mdl 512]} exd6 36. Nd5) 35... Bxd4 {The position is equal.} 36. Rxd4 Nb6 37. Na5 Kf8 38. d6 exd6 39. Rxd6 Nc4 40. Nxc4 Rxc4 41. Rd7 b5 42. axb5 axb5 43. Nxb5 Rc2+ 44. Kg3 Rxb2 {[#] Hoping for ...Rcc2.} 45. Nd4 Ra8 46. Re2 Rxe2 47. Nxe2 h5 48. gxh5 {Weighted Error Value: White=0.12/Black=0.14} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.4"]
[White "Song, Yuxin"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2290"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,115,29,16,8,10,12,14,21,22,25,19,34,31,31,31,32,38,52,29,42,20,34,21,33,18,47,43,40,31,24,23,30,13,29,13,74,74,74,74,75,71,93,83,87,83,82,81,82,81,90,79,77,45,53,53,129,134,140,133,231,218,231,199,232,208,224,218,373,365,360,327,343,312,414,392,412,412,1224,1197,694,334,319,245,1192,1137,29952,12850,12835,12250,5667,1592,12850,5595,29979,29980,29981,29982,29976,29973,29987,29987,29987,29988,29988,29989]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. c4 Ne5 {B52: Sicilian: Moscow Variation with 3...Bd7.} 8. b3 Be7 9. Bb2 {[#]} Nc6 $146 {The position is equal.} ({Predecessor:} 9... Nfd7 10. Nxe5 dxe5 11. f4 exf4 12. Bxg7 Rg8 13. Bc3 Bd6 14. e5 Bc7 15. Na3 Qg5 {½-½ (36) Sergienko,S (2335)-Golubev,M (2461) Chess.com INT 2020}) 10. d4 cxd4 11. Nxd4 Nxd4 12. Bxd4 O-O 13. Rd1 Qc7 14. Nc3 a6 15. Rac1 Nd7 16. Qb2 (16. Rd3 {with more complications.} Rfd8 17. Rcd1 Rac8 18. Qd2 Ne5 19. Rg3) 16... Bf6 17. Bxf6 Nxf6 18. Rd3 Rfd8 19. Rcd1 Rd7 20. Qd2 Rad8 21. Rg3 Ne8 22. Kf1 Qc6 23. Qg5 Qc5 (23... Kf8 $11 {remains equal.}) 24. Qxc5 $1 $16 dxc5 25. Rxd7 Rxd7 {[%mdl 4096] Endgame KRN-KRN} 26. Ke2 f6 27. Rd3 Rc7 28. f4 Kf7 29. Ke3 Ke7 30. e5 Rc8 31. Ne4 f5 32. Nd6 (32. Nc3 {seems wilder.} Rc6 33. Na4 g6 34. Rd1 h6 35. h4) 32... Nxd6 33. Rxd6 $14 {KR-KR} Rd8 {White leaves nothing to chance now.} ({Black should play} 33... Rc6 $1 $14) 34. Rb6 $1 $16 Rd7 35. a3 Kf7 {[#]} (35... Rc7 $16 {was worth a try.} 36. g3 Kf7) 36. b4 $1 $18 cxb4 37. axb4 Re7 38. Kd4 Rd7+ 39. Kc3 h6 $2 (39... Re7 {keeps fighting.} 40. c5 Rc7) 40. c5 g5 {[#]} 41. g3 $1 gxf4 42. gxf4 Re7 43. c6 bxc6 44. Rxa6 Kg6 (44... Rc7 $142 45. Kc4 Ke7) 45. Rxc6 Kh5 46. Kb3 (46. b5 $142 Kg4 47. Rc4) 46... Kg4 47. Rc4 Kh3 $2 (47... Rb7 48. Ka4 h5) 48. Rc2 h5 49. b5 Kg4 50. Rf2 h4 51. Kb4 h3 52. b6 (52. Kc5 $142 Rd7 53. b6) 52... Kh4 53. Kc5 {White mates.} Rg7 54. Rb2 Rg2 55. Rb1 Rxh2 56. b7 Rc2+ 57. Kd6 Rd2+ 58. Ke7 {Weighted Error Value: White=0.12/Black=0.49} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.5"]
[White "Ni, Shiqun"]
[Black "Yan, Tianqi"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2389"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,63,0,0,0,0,0,0,0,0,0,18,0,0,0,0,0,96,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 {[%cal Bb1d2,Bd2b3,Bb3d4,Bd4f5][%mdl 32]} c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nfxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 O-O 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 $1 ({Weaker is} 18... Kxh6 19. Qxf6+ Kh5 {[#]} 20. g4+ $1 {[%mdl 512]} Kxg4 21. Rg1+ $1 {[%mdl 512]} Bg3 22. Rxg3+ Qxg3 23. fxg3) 19. Bc1 {Threatening mate with Qg4+. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bf4 {Hoping for ...Bxc1.} 20. g4 {[#]} Ng3+ $1 21. fxg3 Bxc1 22. Raxc1 Bd7 23. Kh2 {Black must now prevent Rf1.} Bc6 24. Qe3 h6 $1 25. Rf1 {[#]} Kg7 $146 (25... Rd7 $11 {keeps the balance.}) ({Predecessor:} 25... Rd7 26. Rf4 Rad8 27. Rcf1 Rd2+ 28. R1f2 Rxf2+ 29. Rxf2 Qe7 30. Qe5 f6 31. Qxe6 Qxe6 32. Bxe6 {½-½ (59) Siigur,J (2488)-Turkov,V (2496) ICCF email 2006}) 26. Rce1 ({Better is} 26. g5 $16) 26... Rd7 $11 {The position is equal.} 27. Rf6 {[%mdl 64] Decoy} Kxf6 28. Qxh6+ Ke7 {[#]} 29. Rxe6+ $1 {[%mdl 512]} fxe6 30. Qxe6+ Kd8 {( -> ...Rd2+)} 31. Qg8+ Ke7 32. Qe6+ {Weighted Error Value: White=0.13/Black=0.15} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.22"]
[Round "4.6"]
[White "Zhai, Mo"]
[Black "Yuan, Ye"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2366"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,13,23,16,29,18,51,41,41,35,72,31,100,41,39,37,37,30,36,38,38,39,45,22,37,44,37,0,54,55,107,75,119,71,80,78,79,69,74,60,72,62,62,56,60,58,58,67,58,50,50,50,50,50,45,49,60,52,60,50,52,40,46,40,63,40,47,47,52,45,65,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31,31]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O g6 5. d3 Bg7 6. Nbd2 {A07: Réti Opening: New York and Capablanca Systems.} Nbd7 7. e4 Qc7 8. Re1 dxe4 9. dxe4 e5 {[#]} 10. a4 $146 ({Predecessor:} 10. b3 O-O 11. Bb2 Rd8 12. Qe2 Ne8 13. Rad1 Nf8 14. Nc4 Rxd1 15. Rxd1 f6 16. a4 {½-½ (22) Vinke,D (2173)-Lahti,J (2046) Sibenik 2014}) 10... a5 ({Black should try} 10... O-O $14) 11. b3 (11. Nc4 $16) 11... O-O $14 12. Nc4 Rd8 $1 13. Qd6 Qxd6 14. Nxd6 Nc5 15. Ba3 $36 {[%mdl 2048] White has good play.} Rxd6 16. Bxc5 Rd8 17. Bb6 Re8 18. Rad1 Bg4 (18... Bf8 $11) 19. h3 Nd7 ({Black should play} 19... Bc8 $14) 20. Be3 ({But not} 20. hxg4 $6 Nxb6 21. g5 h5 $11) 20... Bxf3 21. Bxf3 Nf8 22. Be2 Bf6 23. Bc4 Bd8 24. Rd2 Bc7 $1 25. Red1 Rad8 {White is slightly better.} 26. Bg5 Rxd2 27. Rxd2 Kg7 28. Rd3 f6 29. Bc1 (29. Bd2 {seems wilder.} f5 30. Kg2 fxe4 31. Re3 Ne6 32. Rxe4 Nd4 33. c3) 29... Rd8 30. Rxd8 Bxd8 {[%mdl 4096] Endgame KBB-KBN} 31. Be3 Bc7 32. h4 b6 33. Kf1 Nd7 34. Ke2 Nc5 35. f3 Bd6 36. g4 h6 37. Kf2 g5 38. Kg3 Kf8 39. Be2 Bc7 40. hxg5 hxg5 41. Bxc5+ bxc5 {KB-KB} 42. Bc4 Ke7 43. Kf2 Kd7 44. Ke3 Bd6 45. Kd3 Kc7 46. Bf7 Be7 47. Kc4 Bd6 48. Be8 Be7 {Weighted Error Value: White=0.10/Black=0.10} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Li, Xueyi"]
[Black "Song, Yuxin"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2328"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]

{[%evp 18,103,-12,0,10,11,20,17,23,0,4,0,0,0,0,-15,-39,-51,-13,-47,0,-48,-39,-40,16,0,0,0,0,6,128,100,110,73,79,0,-13,-59,-39,-39,-39,-59,-19,-25,-16,-16,-14,-11,-28,-41,0,0,0,0,0,-7,0,0,0,0,0,0,23,0,65,-41,-40,-45,-40,-85,-100,-277,-269,-278,-275,-245,-139,-568,-538,-548,-535,-813,-810,-917,-912,-1657,-4133,-1233]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O Nbd7 8. Bf4 c6 9. Nc3 dxc4 10. e4 a5 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} 11. a4 b6 12. Qe2 Ba6 {The position is equal.} 13. Rfd1 Rc8 14. h4 h6 15. Bh3 {Black must now prevent d5.} Re8 16. Qc2 Bb4 17. Bg2 Kh8 18. Bh3 Kg8 19. g4 {[#]} Nf8 $146 ({Predecessor:} 19... b5 20. g5 Nh5 21. Be3 hxg5 22. Nxg5 g6 23. d5 cxd5 24. exd5 e5 25. Be6 Kg7 26. Nxf7 Qf6 27. Bh6+ Kh7 28. Ne4 {1-0 (25) Sulskis,S (2517)-Sveshnikov,V (2416) Vilnius 2017}) 20. g5 Nh5 (20... hxg5 $15 21. Bxg5 Qc7) 21. Be3 hxg5 22. Nxg5 Qc7 23. e5 {next Bg4 is good for White.} g6 (23... f5 $1 $11) 24. Nce4 $16 Be7 25. Qe2 c5 {[#]} 26. Qf3 (26. Bg4 $1 $16 {[%cal Rg4h5]} cxd4 27. Bxd4 (27. Rxd4 Ng7 $16)) 26... Bxg5 $11 27. hxg5 Bb7 28. Bg2 cxd4 29. Bxd4 Nd7 (29... Bxe4 $5 30. Qxe4 Nd7 $15) 30. Nf6+ $1 Nhxf6 31. Qxb7 Nd5 32. Bxd5 exd5 33. Qxd5 Qc6 (33... Nc5 {seems wilder.} 34. Qxc4 Qe7 35. Be3 Qxe5 36. Rac1 Qf5) 34. Qxc6 Rxc6 35. f4 Nc5 36. Bc3 Nd3 37. Rf1 Kf8 38. Kg2 Rc5 39. Kg3 Ra8 40. Rad1 b5 (40... Ke7 $11) 41. Rh1 (41. axb5 $1 $14 Rxb5 42. f5 Nxb2 43. Rd7) 41... Ke7 $15 42. axb5 Rxb5 {Hoping for ...Rb3.} 43. Rd2 a4 44. Ra1 $2 {[#]} (44. e6 $17 {is a better defense.} Kxe6 45. Kg4) 44... Rb3 $19 {And now ...a3 would win.} 45. Ra3 Rxa3 46. bxa3 {[%mdl 4096] Endgame KRB-KRN} Rb8 (46... Ke6 $19 47. Kf3 Rh8) 47. Kg4 $2 {[%mdl 8192] This move loses the game for White.} (47. Kf3 $17 {nothing else works.}) 47... Ke6 {Black is clearly winning.} 48. Bd4 Rb3 49. Rh2 Kd5 50. Ba7 c3 51. Rh8 c2 52. Rd8+ {Weighted Error Value: White=0.60/Black=0.18} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Ning, Kaiyu"]
[Black "Xiao, Yiyi"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2327"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,120,13,18,24,11,15,12,13,12,9,40,34,41,32,24,26,36,-85,-94,-158,-147,-166,-73,-102,-70,-75,-80,-79,-81,-138,-110,-180,-194,-183,-136,-137,-116,-151,-154,-158,-140,-160,-192,-164,-158,-179,-190,-434,-429,-588,-591,-576,-596,-593,-597,-597,-595,-591,-588,-573,-560,-583,-577,-582,-578,-572,-514,-575,-578,-576,-541,-593,-581,-628,-606,-770,-762,-766,-762,-337,-757,-747,-715,-675,0,-737,-649,-754,-722,-782,-809,-789,-757,-785,-617,-788,-785,-1420,-766,-1793,-1597,-6922,-4972,-29953,-29951,-29943,-12824,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 dxc4 7. Ne5 Nc6 8. Bxc6 {E06: Closed Catalan: Early deviations.} bxc6 9. Nxc6 Qe8 10. Nxe7+ {The position is equal.} Qxe7 11. Qa4 Nd5 12. Qxc4 a5 13. Bd2 Ba6 14. Qc5 Qd7 {[#]} 15. O-O-O $146 (15. b3 $14 {keeps the upper hand.}) ({Predecessor:} 15. f3 Rfb8 16. Rb1 Rb6 17. Kf2 Rc6 18. Qa3 Nb6 19. Be3 Nc4 20. Qb3 Rb6 21. Qc2 {0-1 (35) Goryachkina,A (2592)-Dubov,D (2699) Sochi 2020}) 15... Nxc3 $17 16. Qxc3 ({Better is} 16. Bxc3 Bxe2 17. Rd2) 16... Bxe2 17. Rde1 {[#]} Qb5 (17... Qd5 $1 $19 {has better winning chances.} 18. Kb1 (18. b3 a4) 18... Bc4) 18. Qc5 {[#]} Qb7 $1 19. Rhg1 Bf3 $40 {[%mdl 128] Black goes for the king.} 20. Re3 Bd5 21. Ra3 (21. Kb1 $142) 21... Rfb8 22. Bc3 (22. Qc2 $17) 22... a4 $19 23. Qe7 Ra6 {Hoping for ...Rb6.} 24. Qg5 h6 25. Qd2 Be4 26. Re1 Bg6 27. g4 Rd8 28. Qe3 Qb5 29. f4 Rad6 30. Qe2 $2 (30. b4 {is a better defense.}) 30... Qc6 31. Rf1 {and the idea f5 leaves White hopeful.} Rxd4 32. f5 exf5 33. gxf5 {[#]} Bxf5 {[%mdl 512]} 34. Rxf5 Rd1+ {[%mdl 64] Decoy} 35. Qxd1 Rxd1+ 36. Kxd1 {And now Re5 would win.} Qd7+ {[%mdl 64] Double Attack} 37. Ke1 {aiming for Rf4.} Qxf5 38. Rxa4 {[%mdl 4096] Endgame KQ-KRB} Qb1+ 39. Kd2 Qh1 40. h4 Qg2+ 41. Kd3 g5 42. hxg5 hxg5 43. Rd4 g4 44. a4 Qf3+ 45. Kc4 g3 46. Rd8+ Kh7 47. Bd4 Qc6+ 48. Kd3 Qf3+ 49. Kc4 $1 Kg6 50. a5 Kf5 51. b4 Qc6+ 52. Bc5 Qa6+ 53. Kb3 f6 54. Rd1 Kg4 55. Rc1 f5 56. Ka4 c6 57. Kb3 Qd3+ 58. Rc3 Qb1+ 59. Kc4 f4 60. Bd4 f3 {Weighted Error Value: White=0.76/Black=0.19} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Gu, Xiaobing"]
[Black "Tan, Zhongyi"]
[Result "0-1"]
[ECO "C33"]
[WhiteElo "2263"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,42,-10,0,-2,16,-3,7,-112,-93,-125,-125,-146,-101,-271,-198,-218,-159,-260,-220,-336,-277,-599,-598,-603,-560,-1089,-794,-2012,-1973,-1795,-1479,-1467,-1417,-929,-658]} 1. e4 e5 2. f4 exf4 3. Bc4 d5 4. Bxd5 Nf6 5. Nc3 Nxd5 6. Nxd5 {C33: King's Gambit Accepted: 3 Nc3 and 3 Bc4.} g5 {was the old line (6...Bd6).} 7. d3 {[#]} Be6 $146 ({Predecessor:} 7... c6 8. Nc3 Be6 9. h4 Rg8 10. hxg5 Qxg5 11. Qf3 Qxg2 12. Qxg2 Rxg2 13. Nce2 f3 14. Nxf3 {1-0 (38) Grabarczyk,B (2460)-Ulak,S (2390) Poraj 1997}) 8. Nc3 (8. h4 $11) 8... Nc6 $17 {[#]} 9. h4 $1 {[%mdl 512]} Rg8 (9... gxh4 10. Bxf4) 10. Nge2 Bc5 $36 {[%mdl 2048] Black is really pushing.} 11. Na4 $2 (11. hxg5 $17 Qxg5 12. Bxf4 Qxg2 13. Rh2) 11... Bb4+ 12. Bd2 Qe7 13. c3 (13. hxg5 $17 Qxg5 14. Bxb4 Nxb4 15. Qd2 {[%mdl 64] Double Attack}) 13... Bd6 $19 14. d4 (14. Nd4 {might work better.}) 14... Bg4 15. e5 $2 {[#]} (15. Qc2 {is a better chance.}) 15... Bxe5 $1 {[%mdl 512] Black is clearly winning.} 16. dxe5 Nxe5 {[%cal Bc6e5,Be5d3,Bd3f4][%mdl 32] aiming for ...0-0-0.} 17. hxg5 O-O-O 18. Rh4 Qxg5 19. Rxg4 Nd3+ 20. Kf1 Qxg4 {[%csl Gg8][%cal Rg4g2]} 21. Nxf4 Nxf4 {White got outplayed after the opening. Accuracy: White = 26%, Black = 79%.} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Yan, Tianqi"]
[Black "Zhai, Mo"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2207"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,118,50,55,61,66,45,40,13,29,0,0,0,0,0,0,-4,0,-19,-21,-29,-17,-21,-17,-16,-17,-12,-13,-16,-9,-28,-6,-41,-47,-36,-44,-50,-18,-16,-12,-13,-15,-38,-8,-9,-9,-35,-37,-49,-35,-66,-7,-72,-8,-8,-8,-8,0,0,0,0,0,-8,-8,-29,-16,-268,-179,-338,-328,-250,-212,-1712,-1777,-1830,-1769,-1754,-1692,-1596,-1468,-29973,-29974,-29971,-29972,-29975,-29976,-29976,-29977,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29982,-29982,-29983]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 Be7 9. Re1 Bxf3 10. Qxf3 c6 11. c3 O-O 12. Bc2 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} Re8 13. Bg5 Qb6 {[#]} 14. Qd3 $146 {White is slightly better.} ({Predecessor:} 14. b4 Rad8 15. Re2 Qb5 16. h4 Nd5 17. Rae1 N7f6 18. a3 Qc4 19. Bxf6 Bxf6 20. Ne4 Bxh4 {1-0 (28) Bulmaga,I (2149)-Manelidou,M (1885) Chalkidiki 2007}) 14... Rad8 15. Nh5 g6 16. Nxf6+ Bxf6 17. Bxf6 Nxf6 18. Rab1 Kg7 19. Qg3 c5 20. dxc5 Qxc5 21. Rbd1 Qc4 22. Rxd8 Rxd8 23. Bb3 {[%cal Rb3c4]} Qc5 {Threatening ...Rd2.} 24. Qf4 h6 25. h3 g5 26. Qc1 Nh5 27. Rd1 {[#]} Nf4 $1 28. Qe3 Rxd1+ (28... Qc6 {is interesting.} 29. f3 Rxd1+ 30. Bxd1 Qd6 31. Be2 b6) 29. Bxd1 Qxe3 30. fxe3 $15 {[%mdl 4096] Endgame KB-KN} Nd3 31. b3 Kf6 32. Kf1 Ke5 33. Bc2 Nc5 34. Ke2 f5 35. b4 Nd7 (35... Ne4 $15 36. Bxe4 Kxe4) 36. a4 (36. c4 $11 {remains equal.}) 36... h5 ({Black should try} 36... b6 $17) 37. a5 $11 h4 38. c4 g4 39. Ba4 Nf6 40. Bc2 Ne8 41. Bb1 Nc7 42. b5 Kd6 43. Kd3 $2 {[%mdl 8192] [#] This move loses the game for White.} (43. e4 $1 $11) 43... Kc5 44. Kc3 $2 (44. b6 axb6 45. axb6) 44... Ne8 $19 45. Bd3 Nd6 46. hxg4 $2 (46. Kb3) 46... fxg4 47. Be2 h3 48. gxh3 gxh3 49. Bf3 b6 50. axb6 axb6 {Black mates.} 51. Kd3 Nxc4 52. Ke2 Kxb5 53. Kf2 Kc5 54. Be4 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 55. Bc2 b4 56. Kg3 Nxe3 57. Bb3 e5 58. Kxh3 Kd4 59. Kg3 Nf1+ {Weighted Error Value: White=0.49/Black=0.11} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Hu, Yu A."]
[Black "Ni, Shiqun"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2094"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,98,16,16,0,-6,0,-2,-3,-10,-27,-16,-10,-4,-32,-18,-28,-20,-43,-47,-55,-39,-44,-52,-48,-24,-37,-24,-39,-44,-88,-42,-77,-16,-9,-9,-59,-37,-82,-79,-131,-120,-192,-190,-187,-172,-350,-349,-310,-219,-188,-175,-172,-160,-197,-197,-200,-181,-185,-185,-235,-218,-237,-224,-289,-285,-373,-379,-449,-416,-670,-758,-735,-707,-1793,-925,-1735,-1543,-2580,-904,-5683,-5583,-5583,-4914,-5704,-4718,-4714,-4702]} 1. c4 Nf6 2. Nc3 e5 3. g3 Bc5 4. Bg2 O-O 5. Nf3 Nc6 6. d3 d6 7. O-O a6 8. Bg5 {A29: English Opening: Four Knights Variation with 4 g3.} h6 9. Bxf6 Qxf6 10. Nd5 {The position is equal.} Qd8 11. Rb1 Ba7 12. b4 Ne7 13. Nd2 c6 14. Nxe7+ Qxe7 {[#]} 15. b5 $146 ({Predecessor:} 15. a4 Be6 16. Qb3 Rad8 17. b5 axb5 18. axb5 d5 19. bxc6 bxc6 20. Qa4 Qd7 21. Rfc1 {0-1 (50) Farley,T (2251)-Harper,R (2244) Hastings 2013}) 15... axb5 16. cxb5 d5 17. bxc6 bxc6 18. Qc2 Be6 19. Rfc1 Rfc8 20. Nb3 Bb6 21. Rb2 Qa3 22. Rcb1 Bd4 (22... c5 $17) 23. Nxd4 $11 exd4 24. Qb3 Ra7 {[%cal Ba8a7,Ba7b7,Bb7b5][%mdl 32]} 25. Qb6 c5 {[%cal Bc6c5,Bc5c4,Bc4c3][%mdl 32] White is on the road to losing.} 26. Qd6 ({Better is} 26. Rd2) 26... c4 $36 {[%mdl 2048] Black is really pushing.} 27. Qe5 (27. Qxa3 $17 {is a better defense.} Rxa3 28. Rc2) 27... c3 $19 ({Weaker is} 27... cxd3 28. Bxd5 Bxd5 29. Qxd5 $15) 28. Rc2 Qa4 29. Rbc1 $2 (29. Rcc1 {was the only chance.}) 29... Rb7 {[#] White must now prevent ...Qxc2!} 30. Bxd5 Rb5 31. e4 Bxd5 32. exd5 Rd8 33. Qc7 Rbxd5 34. Re2 R5d7 35. Qf4 Qb5 36. Rd1 Rc8 37. a4 Qxa4 38. Rde1 Rf8 39. Re8 {[#] Rxf8+ would kill now.} Rd8 40. Rxd8 Rxd8 {[%mdl 4096] Endgame KQR-KQR} 41. Qc7 (41. Qe5 $142) 41... Re8 {Black is clearly winning.} 42. Rb1 Qa2 43. Rb5 Qe2 {Threatens to win with ...c2.} 44. Rf5 Qe6 45. Rc5 Qg6 (45... Qh3 $142 46. Re5 Rc8) 46. Qd7 Re1+ 47. Kg2 Qxd3 48. Rc8+ Kh7 {( -> ...f5)} 49. Qxf7 Qe4+ {Accuracy: White = 41%, Black = 76%.} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.23"]
[Round "5"]
[White "Yuan, Ye"]
[Black "Guo, Qi"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2081"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,12,16,19,12,16,17,26,22,24,24,24,24,24,21,23,22,26,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 c3 10. bxc3 O-O 11. Nb3 Be7 {E04: Open Catalan: 5 Nf3.} 12. Nfd4 Nxd4 13. cxd4 Nd5 14. Na5 Bd7 15. Nxb7 Ba4 {[#]} 16. Rd3 $146 ({Predecessor:} 16. Rf1 Rfc8 17. e4 Nc3 18. Re1 Bc6 19. Nc5 Bb5 20. Bf3 Bxc5 21. dxc5 Rxc5 22. Be3 {½-½ (42) Wang,H (2737)-Yu,Y (2738) Danzhou 2019}) 16... Rfc8 17. Nc5 Bxc5 18. dxc5 Rxc5 19. Bxd5 (19. Be3 {looks sharper.} Rc2 20. Bxd5 exd5 21. Rxd5 Rxe2 22. Ra5) 19... Rxd5 {The position is equal.} 20. Rxd5 exd5 $11 {[%mdl 4096] Endgame KRB-KRB} 21. Bb2 f6 22. Rc1 Bb5 23. e3 Bc4 24. Bd4 Bxa2 25. Ra1 Bc4 26. Rxa7 Rxa7 27. Bxa7 h5 28. f3 g5 29. Kf2 Kf7 30. h4 gxh4 {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.1"]
[White "Guo, Qi"]
[Black "Tan, Zhongyi"]
[Result "1/2-1/2"]
[ECO "A21"]
[WhiteElo "2418"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,3,15,22,37,37,37,34,41,35,39,40,50,44,50,40,45,47,36,0,70,81,68,60,96,83,85,68,97,76,85,51,69,67,79,71,96,83,79,38,38,38,45,30,38,31,30,23,38,24,14,0,38,8,38,38,38,38,38,0,38,0,42,0]} 1. d4 d6 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd2 g6 6. b3 {A21: English Opening: 1...e5 2 Nc3.} Bg7 7. Bb2 Nf6 8. g3 O-O 9. Nf3 Re8 10. Bg2 {[#]} Ne4 $146 ({Predecessor:} 10... a5 11. O-O Bf5 12. Rad1 Qd7 13. Rfe1 Ne4 14. Nxe4 Bxe4 15. Bxg7 Kxg7 16. Qc3+ f6 17. a3 Re7 {1-0 (76) Le,Q (2709)-Bortnyk,O (2598) Lichess.org INT 2020}) 11. Nxe4 Rxe4 12. O-O Re8 13. Bxg7 Kxg7 14. Nd4 Bd7 ({Better is} 14... Nxd4 $11 15. Qxd4+ Qf6 16. Qxf6+ Kxf6) 15. Nb5 Be6 16. Rad1 a6 17. Nc3 f6 18. Rfe1 Qe7 19. Qb2 h5 20. h4 Rab8 21. f4 Qf7 22. e4 Bg4 23. Rd2 Ne7 24. Nd5 Nxd5 25. cxd5 Kh7 26. Rf2 Qg7 27. Rc1 Re7 28. Rfc2 Rf8 29. Qd4 Rff7 30. b4 Qf8 (30... f5 $5 {[%cal Rg7d4]} 31. Qxg7+ Kxg7 $11) 31. Kh2 Qe8 32. Re1 Qa4 33. Qc3 Qe8 34. Qd4 Qa4 35. Qc3 Qe8 36. Qd4 {Weighted Error Value: White=0.11/Black=0.11} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.2"]
[White "Xiao, Yiyi"]
[Black "Gu, Xiaobing"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2301"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,3,0,0,4,0,2,0,20,10,20,12,12,7,15,10,10,3,33,5,17,15,31,28,36,38,125,122,122,60,190,194,228,210,310,251,228,176,176,168,169,170,170,169,203,196,192,178,193,195,186,152,158,153,146,146,146,148,158,157,157,151,487,481,635,639,621,612,654,602,2221,2056,2585,1674,12834,12827,2143,1057,1075,810]} 1. d4 {Sagar Shah} Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. Nb5 Na6 {[%cal Bb8a6,Ba6c7,Bc7e8,Be8d6,Bd6e4][%mdl 32]} 6. e3 {D00: 1 d4 d5: Unusual lines.} c6 7. Nc3 Nc7 8. h3 {The position is equal.} Bf5 9. Be2 O-O 10. O-O {[#]} Nce8 $146 ({Predecessor:} 10... Rc8 11. Bh2 Ne4 12. Nxe4 Bxe4 13. c3 Re8 14. Qb3 Rb8 15. Ne5 Bf5 16. Rfd1 Be6 {½-½ (55) Aronian,L (2802)-Vachier Lagrave,M (2804) Tbilisi 2017 CBM 181 [Sagar Shah]}) 11. a4 a5 12. Rc1 Nd6 13. b3 Qb6 14. Re1 Rfe8 15. Bf1 Nfe4 16. Nxe4 Nxe4 17. c4 dxc4 ({Black should try} 17... Qb4 $14) 18. bxc4 ({But not} 18. Bxc4 $6 Nd6 $14) 18... Qb2 19. Qe2 (19. Re2 $16 Qb4 20. g4) 19... Qb4 (19... Qxe2 $14 20. Bxe2 f6) 20. g4 $18 Bc8 21. Qc2 {Strongly threatening Rb1.} f5 (21... e5 $142) 22. Bd3 e5 23. Nxe5 {And now gxf5 would win.} Nc5 24. Ra1 Bxe5 25. Bxe5 {Threatens to win with Bd6.} ({Stronger than} 25. dxe5 Nxd3 26. Qxd3 fxg4 $11) 25... Nxd3 26. Qxd3 fxg4 {[#]} 27. c5 $1 {Black must now prevent Reb1.} b5 28. Reb1 Qc4 29. Qxc4+ bxc4 30. hxg4 Rf8 31. Rb6 Bxg4 32. Rxc6 Bf3 {[#]} 33. Rc7 {[%cal Rc7g7] Intending Rg7+ and mate.} Rf7 34. Rxf7 Kxf7 $16 {[%mdl 4096] Endgame KRB-KRB} 35. Rc1 Be2 $2 {This costs Black the game.} (35... h5 $16 {is more resistant.} 36. Rxc4 Rc8) 36. f3 $18 {White is clearly winning.} Ke6 37. Kf2 Bd3 {If Black can now play ...Rf8 this consolidates a bit.} 38. e4 g5 39. Ke3 Ra7 40. Rh1 Rf7 41. Rh6+ Kd7 42. c6+ Kd8 43. c7+ (43. d5 $142 Bc2 44. d6 Bxa4 45. Rf6 Bxc6 46. Rxf7) 43... Kc8 44. Rb6 {Weighted Error Value: White=0.08/Black=0.34} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.3"]
[White "Song, Yuxin"]
[Black "Ning, Kaiyu"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2290"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,79,38,69,22,18,14,18,12,11,14,36,38,220,220,204,204,265,262,357,246,235,270,260,261,258,246,239,131,133,132,167,168,167,167,167,167,167,162,158,146,402,402,402,402,399,388,379,372,351,289,464,438,453,453,918,916,593,366]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. h3 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} (13. Nf5 $5 Bxh2+ 14. Kh1 $11) 13... O-O 14. Bg5 Bh2+ 15. Kf1 {The position is equal.} Bf4 16. Bxf6 gxf6 17. Qh5 {[#]} f5 $146 (17... Kh8 $14) ({Predecessor:} 17... Kh8 18. g3 Be5 19. c3 f5 20. g4 Bxd4 21. cxd4 Bd7 22. Qh6 Rg8 23. Qf6+ Rg7 {½-½ (51) Li,R (2538)-Popilski,G (2564) Arlington 2016}) 18. Nf3 $18 {aiming for Ng5.} Kg7 19. g3 Bh6 20. Rad1 $1 Rd8 21. Rxd8 Qxd8 22. g4 $1 {[%cal Rg4g5]} fxg4 23. hxg4 {And now g5 would win.} Bf4 24. g5 Bd7 25. Re4 (25. Qh4 $1 $18 {[%cal Rh4f4]} Bd6 26. Rd1 (26. Qd4+ Kg8 $14)) 25... Bb5+ $16 {[#]} 26. Kg2 $1 Qc7 {With the idea ...Bc6.} 27. Qh6+ Kg8 {Black wants to play ...Bc6.} 28. Qf6 $40 {[%mdl 128] White goes for the king.} e5 29. Nxe5 Bxe5 30. Qxe5 Qxe5 31. Rxe5 Re8 $2 {[%mdl 8192] This move loses the game for Black.} (31... Bc6+ $16 {was necessary.} 32. Kg3 Rd8) 32. Rxe8+ $18 Bxe8 {[%mdl 4096] Endgame KB-KB} 33. Bd5 b6 34. Kg3 Kg7 35. Bc4 a5 {[#]} 36. Bd3 $1 h6 $2 (36... Bc6 37. Kf4 f6 38. gxf6+ {[%mdl 64] Overworked Piece} Kxf6 39. Bxh7 Be8) 37. gxh6+ {White is clearly winning.} Kxh6 38. Kf4 f6 (38... Kh5 $142 39. Be2+ Kh4) 39. Kf5 Kg7 40. Ke4 {Weighted Error Value: White=0.11/Black=0.42} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.4"]
[White "Ni, Shiqun"]
[Black "Li, Xueyi"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2389"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,19,29,31,59,57,48,62,54,63,52,35,87,89,114,122,121,94,111,96,140,145,128,133,178,91,205,204,199,187,249,239,239,210,608,597,547,412,683,675,641,612,644,736,811,800,2069,1974,29991,29992,29992,29993]} 1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. d4 c5 6. dxc5 {B10: Caro-Kann: 2 d3 and 2 c4.} Nc6 7. Bb5 Bg4 8. O-O {White is slightly better.} e6 9. Bxc6+ bxc6 {[#]} 10. Bf4 $146 ({Predecessor:} 10. Re1 Ne7 11. c3 Qc7 12. Bf4 Rb8 13. b4 a5 14. a3 O-O 15. Nbd2 d4 16. cxd4 axb4 17. axb4 Rxb4 {0-1 (41) Rakotomaharo,F (2422)-Yoo,C (2455) Chess.com INT 2020}) 10... Qa5 (10... Qe7 $14) 11. Qd2 $16 Qxc5 {[#]} 12. Nd4 h5 13. Re1 Qb6 14. Nc3 {[%cal Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Ne7 15. Na4 Qc7 16. Nc5 Nf5 17. c3 (17. f3 $18) 17... h4 (17... Bf8 $16) 18. h3 $18 Bh5 19. b4 O-O (19... a6 $142 20. Nxf5 gxf5) 20. Nxf5 gxf5 21. Bh6 Qd8 $2 (21... Kh7) 22. Bg5 Qc7 23. Qd4 a5 (23... f4 $142 24. Qxf4 Bg6 25. Qxh4 Bxe5) 24. Qxh4 Bg6 25. Bf6 axb4 26. cxb4 ({Weaker is} 26. Bxg7 Kxg7 27. cxb4 Qd8 $18) 26... Ra3 27. Rad1 Rfa8 28. Rd4 Bxf6 29. exf6 Qd8 {[#]} 30. Nd7 $1 {[%mdl 512] Weighted Error Value: White=0.12/Black=0.79} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.5"]
[White "Zhai, Mo"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2366"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,40,0,12,0,0,-8,55,54,75,38,41,31,140,41,44,50,37,44,33,25,58,13,9,26,31,24,50,18,78,81,164]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} d4 7. Bb2 {A14: English Opening: 1...e6 with b3 by White.} c5 8. b4 {[#]} Ne8 $146 (8... Nc6 $11) ({Predecessor:} 8... Nc6 9. b5 Na5 10. d3 Bd6 11. Nbd2 h6 12. e3 e5 13. Re1 Qc7 14. Qc2 Bd7 15. exd4 exd4 {½-½ (44) So,W (2760)-Harikrishna,P (2731) Kolkata 2019}) 9. d3 $14 {White is slightly better.} f6 10. Nbd2 e5 11. bxc5 Nd7 {[#]} ({Black should play} 11... Na6 $14) 12. Nb3 (12. e3 $1 $16) 12... Nxc5 13. Nxc5 Bxc5 14. Nd2 Rb8 15. Nb3 Be7 16. e3 dxe3 17. fxe3 Be6 18. Rc1 Nd6 19. Qe2 (19. c5 $5 {[%cal Rc5d6]} Nf7 20. d4 $16) 19... e4 (19... b6 $11) 20. dxe4 $16 b5 {Weighted Error Value: White=0.24/Black=0.31} (20... Nf7 $16) 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.24"]
[Round "6.6"]
[White "Yuan, Ye"]
[Black "Yan, Tianqi"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2081"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,0,0,0,0,-12,-10,-7,-2,-1,0,6,2,-11,18,12,0,0,0,0,0,2,60,30,39,29,56,47,68,45,44,42,52,21,39,17,23,-5,0,-4,13,-4,12,0,75,94,70,16,16,0,0,0,0,0,0,-32,50,46,166,147,137,0,0,0,0,0,0,-143,0,0,0,-129,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 {D00: 1 d4 d5: Unusual lines.} g6 7. Nd2 Bf5 8. Qc1 Nc6 9. h3 Bg7 10. Ngf3 O-O 11. Be2 Rfc8 12. g4 {[#]} Bd7 $146 ({Predecessor:} 12... Bd3 13. Bxd3 cxd3 14. O-O Qa6 15. Qd1 Nd7 16. Nb3 f6 17. g5 e5 18. gxf6 Bxf6 19. dxe5 Bxe5 20. Nxe5 Ncxe5 {½-½ (59) Voiska,M (2321)-Galunova,T (2166) Pleven 2016}) 13. Ne5 Be6 14. Bf3 Qd8 15. Qd1 Na5 (15... Nxe5 $11 16. Bxe5 Qd7) 16. h4 Ne8 17. g5 Nc6 18. Ng4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 19. a3 a5 20. h5 b4 21. hxg6 hxg6 22. Nh6+ Kf8 23. Bg2 bxc3 24. bxc3 Nd6 25. Qf3 Qd7 26. Bh3 Rcb8 (26... Bxh3 $11 27. Bxd6 Be6) 27. Bxe6 $16 Qxe6 28. Bxd6 (28. Rh4 $14) 28... exd6 $11 29. Kf1 Rb2 30. Nxc4 dxc4 31. Qxc6 Rab8 32. Qf3 R2b3 (32... R8b5 $15) 33. Rh4 $14 R8b5 (33... Bxh6 $14 34. gxh6 Qe7) 34. Re4 $18 Qd7 {[#]} 35. Rf4 (35. d5 $1 $16) 35... Bxh6 $11 36. gxh6 {Hoping for h7.} Rh5 $1 {[%cal Rh5h6]} 37. Qa8+ $1 Qe8 38. Qg2 (38. Qa6 $11) 38... Qe6 {[%mdl 1024] Black has strong compensation.} 39. Qa8+ Qe8 40. Qg2 {[#] And now Qxg6 would win.} Qe6 ({Better is} 40... Kg8 $1 $17 41. Rf6 Rxc3) 41. Qa8+ {Weighted Error Value: White=0.17/Black=0.26} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.1"]
[White "Yan, Tianqi"]
[Black "Guo, Qi"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2207"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,102,22,-18,105,38,33,14,21,23,36,32,119,123,135,131,141,142,122,36,43,0,0,0,0,0,0,-14,-12,-20,-10,-10,-6,-66,-62,-60,-40,-43,-42,-39,-25,-31,-25,-22,-20,-20,-20,-23,-24,-31,0,0,0,0,0,0,0,0,0,-23,-23,-23,-12,-30,-27,-63,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. e5 Ne4 8. Nxd4 Nc5 {[#]} 9. Nf5 $1 g6 {C84: Closed Ruy Lopez: Unusual White 6th moves.} (9... O-O $1 $11) 10. Bxc6 (10. Nxe7 $16 Nxe7 11. Nc3 Nxa4 12. Nxa4) 10... dxc6 $14 11. Nxe7 Qxe7 12. Bh6 Rg8 13. f4 {[#]} Ne4 $146 {[#]} (13... Bf5 $14) ({Predecessor:} 13... Ne6 14. Nc3 Qh4 15. Ne4 Qxh6 16. Nf6+ Kf8 17. Rf3 Rh8 18. Qd2 c5 19. c3 b6 {½-½ (27) Nataf,I-Ledger,A (2330) Paris 1993}) 14. Nd2 $1 $16 {[%cal Rd2e4]} Qc5+ 15. Kh1 Bf5 ({Not} 15... Nf2+ $2 {[#]} 16. Rxf2 $1 {[%mdl 512]} Bf5 17. Qe1 $18) 16. Nxe4 Bxe4 17. c3 (17. Rc1 $16) 17... Rd8 $14 18. Qe2 (18. Qe1 {seems wilder.} Bf5 19. b3 Rd3 20. Rd1 Qd5 21. Rxd3 Qxd3 22. Rf2) 18... Bd3 $36 {[%mdl 2048] Black has good play.} 19. Qf2 Qxf2 20. Rxf2 Bf5 21. h3 Rd3 22. Bg5 h5 23. Rff1 c5 24. c4 (24. Rfd1 $11) 24... Kd7 $15 25. Rfd1 {Strongly threatening Rxd3+.} Kc6 (25... Rd4 {with more complications.} 26. Kg1 Be6 27. Rac1 Ra8 28. a4 Kc6) 26. Rxd3 Bxd3 {[%mdl 4096] Endgame KRB-KRB} 27. Rc1 Bf5 28. Kg1 Be6 29. Kf2 b5 30. cxb5+ $1 axb5 31. Be7 c4 32. Rd1 Re8 33. Bb4 Bd5 34. a3 Be6 35. Kf3 Bd5+ (35... Rh8 {looks sharper.} 36. Be7 Bd5+ 37. Kf2 Be4 38. Rd4 Bd3) 36. Kf2 Be4 37. Re1 Bf5 38. Rd1 Bd3 39. Re1 Kd5 40. e6 fxe6 (40... Rxe6 $15 41. Rxe6 Kxe6) 41. Re5+ $11 {The position is equal.} Kc6 42. Kf3 Kb6 43. Bc5+ Ka5 44. Bb4+ Ka4 45. Rc5 c6 46. Rxc6 e5 $1 47. Bc3 exf4 48. Ra6+ Kb3 {aiming for ...g5.} 49. Rb6 Ka4 50. Ra6+ Kb3 {Hoping for ...g5.} 51. Rb6 Ka4 {Weighted Error Value: White=0.13/Black=0.14} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.2"]
[White "Hu, Yu A."]
[Black "Yuan, Ye"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2094"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,62,41,35,54,46,37,45,46,46,43,41,47,40,39,45,38,43,55,25,25,25,25,18,47,26,33,0,0,0,0,0,0,0,0,0,0,0,6,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. O-O Ngf6 8. Ng3 g6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 9. b3 Bg7 10. Ba3 Bf8 {White is slightly better.} 11. Bb2 Bg7 12. c4 O-O 13. Qe2 Bxf3 14. Qxf3 c6 15. Rad1 a5 16. a3 Re8 17. Rfe1 {[#]} Qb6 $146 ({Predecessor:} 17... Qc7 18. Bb1 Rad8 19. Nf1 b5 20. Ne3 bxc4 21. bxc4 e5 22. d5 Nc5 23. Qe2 Rb8 24. d6 Qb6 25. Bc3 Qb3 26. Bxa5 Qxa3 {1-0 (63) Giri,A (2779)-Bareev,E (2643) Amsterdam 2019}) 18. Bc2 Rad8 19. Bc3 Qc7 20. h3 b5 {The position is equal.} 21. Ne4 (21. Rc1 {keeps more tension.} Rc8 22. Bb2 Rb8 23. cxb5 Rxb5 24. Bd1) 21... a4 22. cxb5 axb3 23. Bxb3 {[#] Hoping for bxc6.} Nxe4 24. Rxe4 {Black should prevent bxc6.} cxb5 25. Bb4 Nf6 26. Ree1 Qb8 27. d5 (27. h4 {seems wilder.} h5 28. Bc5 Qa8 29. Qe2 Nd5 30. Qf3) 27... Nxd5 28. Bxd5 Rxd5 29. Rxd5 exd5 30. Rxe8+ Qxe8 31. Qxd5 h5 {Weighted Error Value: White=0.06/Black=0.03} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.3"]
[White "Li, Xueyi"]
[Black "Zhai, Mo"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2328"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,62,0,11,0,11,10,2,-16,16,0,-5,-18,8,17,17,15,17,17,18,25,25,23,22,13,13,15,18,18,18,15,14,0,4,0,22,0,2,0,6,8,8,8,10,10,10,10,11]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 d6 6. Nf3 Nbd7 7. O-O e5 8. Bg5 exd4 9. Nxd4 O-O 10. a3 {E11: Bogo-Indian.} Bc5 11. Nc3 h6 12. Bf4 Re8 {[#]} (12... a4 $5) 13. Nb3 $146 ({Predecessor:} 13. Rc1 Ne5 14. Na4 Ng6 15. Nxc5 dxc5 16. Nb5 Nxf4 17. gxf4 Qe7 18. Nc3 c6 19. e3 {1-0 (60) Severino,S (2364)-Tin,J (2464) chess.com INT 2020}) 13... Bb6 14. Na4 Qe7 15. Nxb6 Nxb6 16. Rc1 Qxe2 17. c5 dxc5 18. Bxc7 Na4 19. Nxc5 Nxc5 20. Qxe2 {The position is equal.} Rxe2 21. Rxc5 Rxb2 22. Bxa5 Be6 23. Bb4 Rb8 24. h3 b6 25. Rcc1 Bd5 26. Bd6 Re8 27. Rb1 Ree2 28. Rxb2 Rxb2 29. Be5 Rb3 30. Bxf6 Bxg2 31. Kxg2 {[#] Be7 is the strong threat.} gxf6 {An uneventful encounter.  Weighted Error Value: White=0.05/Black=0.05} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.4"]
[White "Ning, Kaiyu"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2327"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,61,0,0,0,0,0,0,0,0,0,68,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. O-O Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. Nf5 Bxh2+ 14. Kh1 O-O 15. Nxg7 Rd8 16. Qf3 Kxg7 17. Bh6+ Kg6 18. c3 Nh5 $1 (18... Kxh6 19. Qxf6+ Kh5 20. g4+ Kxg4 {[#]} 21. Rg1+ $1 {[%mdl 512]} Bg3 22. Rxg3+ Qxg3 23. fxg3) 19. Bc1 {White wants to mate with Qg4+. C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} Bf4 {Hoping for ...Bxc1.} 20. g4 Bxc1 21. gxh5+ Kg7 22. Raxc1 {Strongly threatening h6+.} b5 23. h6+ (23. Rg1+ $14 Kf8 24. Qe3 (24. Qf6 Bb7+ 25. f3 Qc5 $17)) 23... Kf8 $11 {aiming for ...Bb7!The position is equal.} 24. Qf6 {Rg1 is the strong threat.} Bb7+ 25. Kg1 $1 {Threatening mate with Rxe6.} Qc6 {[%csl Gb7][%cal Rc6h1]} 26. Qg7+ {[%mdl 64] [#] Double Attack} Ke8 {[%csl Gb7][%cal Rc6h1]} 27. Qg8+ Ke7 {[%csl Gb7][%cal Rc6h1]} 28. Qg5+ {[#]} Ke8 $146 {[%csl Gb7][%cal Rc6h1]} ({Predecessor:} 28... Kd7 29. Rcd1+ Kc7 30. Qe5+ Kb6 31. Qe3+ Ka5 32. Kf1 Qg2+ 33. Ke2 Qg4+ 34. f3 Qg2+ 35. Qf2 Bxf3+ 36. Ke3 Qxf2+ 37. Kxf2 Bxd1 38. Bxd1 Rd2+ {0-1 (38) Avsitidiysky,A (1881)-Melas,R (2132) Nicosia 2015}) 29. Qg8+ {[%mdl 64] Double Attack} Ke7 {[%csl Gb7][%cal Rc6h1]} 30. Qg5+ Ke8 {[%csl Gb7][%cal Rc6h1]} 31. Qg8+ {[%mdl 64] Double Attack. An uneventful encounter.  Weighted Error Value: White=0.09/Black=0.09} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.5"]
[White "Gu, Xiaobing"]
[Black "Song, Yuxin"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2263"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,114,0,0,-4,0,0,0,0,0,-4,-4,-10,-13,-21,-25,-47,-17,-88,-83,-83,-15,-47,-31,-111,-62,-58,-59,-87,-102,-92,-93,-94,-94,-90,-83,-127,-117,-127,-97,-129,-95,-252,-228,-255,-206,-218,-213,-487,-493,-531,-314,-307,-288,-313,-297,-494,-462,-546,-191,-200,-197,-189,-189,-193,-196,-342,-339,-318,-333,-324,-319,-325,-323,-318,-295,-368,-372,-370,-375,-710,-698,-680,-679,-607,-350,-351,-298,-537,-443,-506,-341,-356,-334,-527,-522,-584,-587,-585,-583,-550,-541,-544,-519,-1018,-1010,-957,-950]} 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 a6 5. a4 e6 6. Nf3 {B23: Closed Sicilian: Lines without g3.} Nf6 $1 {6...Nf6 is better than 6...Ne7.} 7. Ba2 {[#]} d6 $146 ({Predecessor:} 7... d5 8. exd5 exd5 9. Nxd4 cxd4 10. Ne2 d3 11. cxd3 Bd6 12. h3 O-O 13. d4 Re8 {1-0 (55) Kalegin,E (2462)-Bukavshin,I (2408) Nabereznye Chelny 2010}) 8. d3 {The position is equal.} Nc6 9. O-O Be7 10. Qe2 O-O 11. Bg5 Bd7 12. Rfd1 Qb6 13. Rab1 (13. Bb3 $11) 13... Nd4 $17 14. Qd2 Qb4 (14... Bc6 $17) 15. a5 Nc6 16. Qf4 ({Better is} 16. Ra1 $15) 16... Nh5 17. Qh4 Bxg5 18. Nxg5 Nf6 19. f4 h6 (19... Nxa5 20. e5 $11) 20. Nf3 Nd4 (20... Nxa5 21. g4 $11) 21. Nxd4 cxd4 22. Ne2 Qxa5 23. Bb3 e5 24. f5 Bc6 25. g4 $2 {This costs White the game.} (25. Ng3 $17 {was necessary.}) 25... d5 $19 26. Ng3 Qd8 {[%cal Rd5e4]} 27. Re1 dxe4 28. dxe4 (28. Nxe4 {was the only defense.} Nxe4 29. Qxd8 Rfxd8 30. dxe4) 28... d3 29. g5 Qd4+ 30. Kg2 hxg5 31. Qxg5 d2 ({Weaker is} 31... Nxe4 32. Rxe4 Bxe4+ 33. Kh3 $15) 32. Rf1 (32. Rg1) 32... Bxe4+ 33. Kh3 Bf3 $2 34. Rxf3 {[#] Strongly threatening Rd1.} d1=Q 35. Rxd1 Qxd1 36. Rd3 Qe1 37. Nh5 (37. Rd6 $142 Nh7 38. Qh5) 37... Qf1+ 38. Kh4 {[%csl Gh5][%cal Rg5g7]} Nxh5 39. Qxh5 Qf4+ 40. Kh3 Qh6 41. Qxh6 gxh6 {[%mdl 4096] Endgame KRR-KRB} 42. Rd6 Kg7 43. f6+ Kg6 44. Bd5 $2 (44. Rb6) 44... Rad8 45. Be4+ Kg5 46. Rb6 Rd2 {White must now prevent ...Kf4.} 47. Kg3 Rg8 48. h4+ (48. Bh7 $142 Rgd8 49. h4+ Kh5 50. Rxb7) 48... Kh5+ 49. Kh3 {intending Bf3+.} Rf2 {( -> ...Rf4!)} 50. Bd5 Rf8 ({Not} 50... Rxc2 $2 51. Bf3+ (51. Bxf7+ Rg6 $11) 51... Rg4 52. Bxg4+ Kg6 53. Bf3 $18) 51. Bxb7 (51. Rxb7 {keeps fighting.} Rxf6 52. Re7) 51... Rf4 {Hoping for ...Rg8.Black is clearly winning.} 52. Bxa6 {and the idea Be2+ leaves White hopeful.} Rxh4+ 53. Kg3 Rg8+ 54. Kf3 Rf4+ 55. Ke3 Rg3+ 56. Kd2 (56. Ke2 $142 Kg5 57. Bb7) 56... Rf2+ 57. Be2+ Kg5 {Weighted Error Value: White=0.50/Black=0.31} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.25"]
[Round "7.6"]
[White "Tan, Zhongyi"]
[Black "Xiao, Yiyi"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2510"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,91,36,18,32,26,27,14,18,13,52,56,62,59,56,53,58,37,37,29,33,0,60,0,27,25,54,39,40,31,58,0,15,7,36,0,84,27,68,59,73,78,78,68,116,123,165,164,258,244,228,226,238,219,373,343,347,362,302,269,270,279,435,396,523,532,765,776,758,740,840,769,1182,1061,1366,1301,1303,1230,1199,1177,1926,1786]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Bd2 c6 7. Nge2 {7.Nd5 is becoming the main line.} e6 {[#] B01: Scandinavian Defence.} 8. Ne4 $1 Qd8 (8... Qc7 9. Nxf6+) 9. N4g3 Bg6 {[#] The position is equal.} 10. h4 $146 ({Predecessor:} 10. c3 Nbd7 11. Nf4 Nd5 12. Nxg6 hxg6 13. Qf3 Qf6 14. Be2 Be7 15. Qxf6 gxf6 16. Ne4 {½-½ (51) Ristic,N (2480)-Savic,M (2493) Budva 2003}) 10... b5 11. Bb3 Be4 12. Nxe4 Nxe4 13. Be3 Nd7 14. Qd3 Nef6 15. a4 a6 16. h5 Bd6 (16... h6 $11) 17. c3 (17. h6 $14) 17... Nd5 18. Bd2 N7f6 19. Bc2 h6 20. Kf1 Qc7 21. Re1 (21. axb5 $14 cxb5 22. Qf3) 21... Rb8 22. axb5 cxb5 23. Rh4 Kd7 (23... a5 $11 {remains equal.}) 24. Ra1 (24. Qf3 $16) 24... Rb6 25. Bb3 Rc8 26. Qf3 {Hoping for Bxd5. Black is now going downhill.} Qb7 27. Nc1 Kc7 28. Nd3 Kb8 29. Nc5 {[%mdl 64] Deflection} Bxc5 (29... Qc6 {is a better defense.} 30. Bxd5 exd5) 30. dxc5 $18 Rxc5 31. Qg3+ {[%mdl 64] Double Attack} e5 32. Qxg7 Qe7 $2 (32... Ne7 {was called for.}) 33. Re1 Nd7 {[#]} 34. Rd4 {[%mdl 512]} N5f6 35. Rd3 (35. Bxf7 Rc8 $16) (35. Bxh6 Nxh5 36. Qh8+ Rc8 $16) (35. Qxh6 Ne4 $18) 35... e4 36. Rh3 ({Less strong is} 36. Bxh6 Nxh5 37. Qg8+ Rc8 $16) (36. Qxh6 Rxh5 37. Qf4+ Kb7 $11) (36. Bxf7 Ne5 $15) 36... Rf5 (36... Rxh5 $142 37. Qh8+ (37. Bxh6 Rxh3 38. gxh3 Kb7 $16) (37. Qxf7 Qxf7 38. Bxf7 Rxh3 $16) (37. Bxf7 Rxh3 38. gxh3 h5 $16) 37... Qf8 38. Qxf8+ Nxf8 39. Rxh5 (39. Bxf7 Rxh3 40. gxh3 h5 $16) 39... Nxh5 40. Bxf7 Nf6 41. Bxh6 Ne6) 37. Be3 Rc6 38. g4 {White is clearly winning.} Rd5 39. Bxd5 Nxd5 40. Bxh6 Re6 41. Qd4 Re5 42. Be3 N7f6 43. h6 Nh7 44. Rh5 Rxh5 45. gxh5 Qe6 46. Qh8+ {Weighted Error Value: White=0.14/Black=0.38} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.1"]
[White "Guo, Qi"]
[Black "Xiao, Yiyi"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2418"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,107,24,17,8,58,30,60,62,54,38,110,94,109,98,92,102,111,104,133,147,147,141,154,137,170,165,179,168,165,163,177,142,147,135,130,120,203,147,152,150,145,129,129,100,124,51,42,24,35,12,45,45,45,45,45,45,46,47,51,23,54,44,89,46,315,313,327,344,347,335,581,579,718,701,762,758,672,676,10531,9639,5680,29961,29966,29970,29970,29972,29970,29973,29973,29974]} 1. d4 {Atalik,S} Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 Bg7 8. Be3 Qa5 9. Qd2 O-O 10. Rc1 Rd8 11. h4 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} Nc6 12. d5 e6 13. h5 {White is slightly better.} exd5 14. hxg6 $1 hxg6 (14... dxe4 $2 15. gxh7+ Kh8 16. Bh6 $1 $16) ({Black should try} 14... fxg6 $14 15. exd5 Ne5) 15. Bh6 $1 $16 {[%cal Rh6g7] aiming for Bxg7.} (15. exd5 Bg4 $11) 15... Bh8 16. Bg5 Bg7 {...Re8 is the strong threat.} (16... dxe4 17. Rxh8+ $1 {[%mdl 512]} Kxh8 18. Bf6+ Kh7 19. Qg5 $18) 17. Bxd8 Qxd8 18. exd5 Ne7 19. c4 Nf5 20. Bd3 Nd6 21. Qf4 {[#]} Qe7+ $146 ({Predecessor:} 21... b5 22. cxb5 c4 23. Bxc4 Nxc4 24. Qxc4 Qa5+ 25. Kf1 a6 26. Qc6 Qxb5+ 27. Kg1 Bb7 28. Qxb5 axb5 {½-½ (68) Atalik,S (2545)-Rajkovic,M (2359) Belgrade 2017 CBM 182 [Atalik,S]}) 22. Kf1 Qf6 23. Qxf6 Bxf6 24. g3 Bd7 25. Nd2 Rc8 26. Ne4 Nxe4 27. Bxe4 Bd4 (27... b5 $16) 28. Kg2 a6 29. Rhd1 b6 30. Bf3 Kf8 31. Re1 b5 32. d6 (32. Be4 $16) 32... Be6 $14 {[#]} 33. Rxe6 $1 fxe6 {[%mdl 4096] Endgame KRB-KRB} 34. d7 Rd8 35. Bc6 b4 36. Rh1 Ke7 37. Rh7+ Kd6 38. Ba4 g5 39. f3 Rf8 {[#]} 40. Rf7 $1 Rd8 (40... Rg8 41. Kh3) 41. Kf1 Kc7 $2 {[%mdl 8192] [#] Loses the game.} ({Better is} 41... Rg8 $14) 42. Re7 $1 $18 Kd6 43. Re8 Bf6 44. Ke2 Ke5 $2 (44... a5 {might work better.} 45. Ke3 g4) 45. Ke3 Kd6 46. Ke4 Be7 47. g4 Bf6 48. f4 Be7 49. f5 exf5+ 50. gxf5 a5 {White mates.} 51. Kf3 Rxd7 52. Bxd7 Kxd7 53. Ra8 Kd6 54. Ra6+ {Weighted Error Value: White=0.08/Black=0.30} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.2"]
[White "Song, Yuxin"]
[Black "Tan, Zhongyi"]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2290"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,25,21,19,19,21,27,4,39,33,46,16,30,7,76,78,100,96,111,104,122,108,111,93,119,86,92,78,74,122,108,119,145,100,102,121,250,201,218,127,116,0,214,0,118,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c5 12. Nf1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4.} Re8 13. Ng3 Bf8 14. Bc2 {White has an edge.} g6 15. d5 {[#]} c4 $146 ({Predecessor:} 15... Bg7 16. Be3 Nb6 17. b3 Bb7 18. Qe2 Rc8 19. a4 c4 20. a5 Nbd7 21. b4 Nf8 {1-0 (46) Jacobs,F (1456)-Roncagliolo,M (1596) FICGS email 2010}) 16. Bg5 Bg7 17. Nd2 Nc5 (17... Qc7 $11) 18. b4 $16 cxb3 19. axb3 h6 {[#]} 20. Be3 Qc7 21. Qe2 Ncd7 22. Bd3 Rb8 23. b4 h5 24. Rec1 h4 25. Ngf1 Nh5 26. c4 {[%cal Rc4b5]} bxc4 27. Bxc4 Nf4 28. Qf3 Qb7 (28... Rxb4 $16 {is a better defense.} 29. Bxa6 {[%mdl 64] Discovered Attack} Nc5) 29. Bxa6 Qxb4 30. Rcb1 ({Better is} 30. Be2 $18) 30... Qc3 {[#] ...Rxb1 is the strong threat.} 31. Rc1 (31. Bxc8 $16 Rbxc8 32. Ra6) 31... Qb4 $1 $18 32. Rcb1 (32. Bc4 $18) 32... Qc3 $16 {Threatens to win with ...Rxb1.} 33. Rc1 {Weighted Error Value: White=0.31/Black=0.19} ({White should play} 33. Bxc8 $16 Rbxc8 34. Ra6) 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.3"]
[White "Ni, Shiqun"]
[Black "Gu, Xiaobing"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2389"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,79,43,27,25,34,70,17,80,81,81,78,76,67,121,118,126,121,134,133,143,83,87,68,73,81,68,37,29,29,46,47,53,20,58,11,41,38,41,34,56,31,42,0,42,15,28,35,22,0,0,0,0,0,0,0,21,-29,122,148,369,398,488,470,485,479,478,418,29961,6295,6391,6391]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. O-O Bd7 5. Re1 Nf6 6. h3 Ne5 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 7. Bxd7+ Qxd7 8. b3 {[#]} (8. Nxe5 $14 dxe5 9. d3) 8... O-O-O $146 (8... Nxf3+ $11 {remains equal.} 9. Qxf3 g6) ({Predecessor:} 8... e6 9. Bb2 Qc7 10. d3 Be7 11. Nxe5 dxe5 12. Nd2 O-O 13. Nc4 Nd7 14. a4 g6 {0-1 (41) Kalvaitis,S (2245)-Erdogdu,M (2440) Kemer 2007}) 9. Nxe5 $16 dxe5 10. Bb2 Qc7 11. d3 Rg8 (11... Ne8 $14) 12. Qf3 e6 13. Na3 Bd6 14. Nb5 Qb6 15. Nxd6+ (15. a4 $142) 15... Qxd6 16. a3 Nd7 17. b4 (17. Qxf7 $2 Nf6 $19) 17... f6 18. bxc5 Nxc5 19. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Kb8 20. Reb1 Rc8 21. Ba3 Qd4 22. Bb4 Rgd8 23. Ra2 {[%cal Ba1a2,Ba2b2,Bb2b4][%mdl 32]} Rc6 24. a5 Rdc8 25. Bd2 R8c7 26. Rab2 Qd8 {Threatening ...Na4.} 27. Be3 Na4 28. Rb4 Nc3 29. R1b2 Rd7 30. Qh5 g6 31. Qf3 Rf7 32. d4 f5 33. dxe5 {aiming for exf5.} (33. exf5 $5 {[%cal Rf3c6]} e4 34. Qf4+ Ka8 35. Qg5 Qxg5 36. Bxg5 gxf5 37. Bd2 $15) 33... f4 (33... Qd1+ $11 34. Qxd1 Nxd1) 34. Bd4 {[%mdl 64] Discovered Attack} Nb5 {[#] A mistake that costs the game.} (34... Qc8 $16 35. R4b3 (35. a6 b6 $14) 35... Na4) 35. Qb3 $1 $18 a6 {[#]} ({Avoid the trap} 35... Nxd4 $2 36. Rxb7+ Kc8 37. Rb8+ Kd7 38. Qa4 $18) (35... Rcc7 36. Rxb5) 36. c4 $1 {[%cal Rc4b5]} Qxd4 37. cxb5 {[%mdl 64] Discovered Attack} Rc1+ 38. Kh2 Qxe5 (38... Qd1 $18 39. Qxd1 Rxd1 40. bxa6 Rdd7) 39. bxa6 {[%cal Rb4b7]} f3+ 40. g3 {Weighted Error Value: White=0.13/Black=0.46} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.4"]
[White "Zhai, Mo"]
[Black "Ning, Kaiyu"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2366"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,87,0,0,14,7,43,30,45,22,78,81,135,140,133,125,138,125,120,121,276,258,265,262,379,372,375,343,377,342,344,331,297,255,363,375,400,410,440,407,395,391,445,437,410,418,413,210,326,9,475,475,633,624,619,631,623,622,600,591,550,552,530,500,487,471,1135,1095,1023,975,1489,1245,1208,970,12840,12840,12840,12840,12844,12844]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O e5 5. d3 Ne7 6. c4 dxc4 {A07: Réti Opening: New York and Capablanca Systems.} 7. dxc4 Qxd1 8. Rxd1 c6 {White has an edge.} 9. Nc3 f5 (9... O-O $11) 10. e4 $16 {[#]} fxe4 $146 ({Better is} 10... Na6) ({Predecessor:} 10... Be6 11. b3 h6 12. Bb2 Nd7 13. Rd6 Kf7 14. Rad1 Nc5 15. Nh4 f4 16. b4 Na6 {0-1 (59) Zikan,K (1704)-Gumularz,S (2233) Brno 2015}) 11. Nxe4 O-O 12. b3 $36 {[%mdl 2048] White has strong initiative.} Bf5 13. Nh4 Bxe4 14. Bxe4 Nf5 $2 (14... a5 $16 15. Ba3 Re8) 15. Bxf5 $18 gxf5 16. Ba3 Na6 (16... Re8 $142 17. Nxf5 Bf8) 17. Bxf8 Rxf8 18. b4 Nxb4 19. Rd7 b6 20. Rb1 (20. Rxa7 Nd3 $18) 20... c5 21. Rbd1 f4 (21... e4 {was necessary.} 22. Rd8 (22. Rxa7 Bd4 $16) 22... Nd3 23. Rxf8+ Bxf8 24. Nxf5 Ne5) 22. Rxa7 fxg3 23. hxg3 e4 {and the idea ...Bd4 leaves Black hopeful.} 24. g4 {Black must now prevent Rdd7.} Nc6 25. Rb7 Rf4 26. Nf5 Bd4 27. Rxb6 Ne5 28. Rb8+ ({Weaker is} 28. Nxd4 cxd4 29. c5 (29. Rb8+ Kf7 $16) 29... Kf7 $18) 28... Kf7 29. Rdb1 $2 ({Less strong is} 29. Nxd4 cxd4 30. Rb7+ Ke6 $16) (29. a4 $18) 29... Rxg4+ $2 {[%mdl 8192]} (29... Bxf2+ $11 30. Kf1 Bd4+ 31. Ke2 Rf2+ 32. Kd1 e3 33. R1b7+ Kf6) 30. Kf1 {White is clearly winning.} Rf4 31. R1b7+ Ke6 32. Ng7+ Kd6 33. Ne8+ {[%mdl 64] [#] Discovered Attack} Ke6 34. Nc7+ Kf5 35. Rf8+ Kg4 36. Rxf4+ Kxf4 {[%mdl 4096] Endgame KRN-KBN} 37. Ne6+ {[%mdl 64] [#] Discovered Attack} Kf5 (37... Kg4 $142 38. a4 Nxc4 39. Rxh7 Bc3 40. Nxc5 e3 41. fxe3 Kf3 42. Rh3+ Kg4) 38. Nxd4+ cxd4 {KR-KN} 39. c5 h5 40. a4 Nc6 41. Rc7 Na5 42. c6 Ke6 43. Rc8 Nc4 44. Rd8 {White took control after the opening.  Weighted Error Value: White=0.32/Black=0.63} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.5"]
[White "Yuan, Ye"]
[Black "Li, Xueyi"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2081"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,85,9,29,28,30,15,22,18,25,19,15,14,14,12,52,47,47,39,75,69,183,179,188,179,191,184,193,179,191,183,176,90,106,85,85,85,81,96,88,82,86,82,92,81,81,78,87,83,81,92,100,68,68,68,68,68,68,68,83,93,146,68,68,65,66,8,8,8,66,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. dxc5 Nc6 5. Nf3 e6 6. Be2 Bxc5 7. O-O O-O 8. c4 h6 9. Nc3 a6 10. cxd5 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6.} exd5 11. Rc1 Be6 {[#]} 12. Na4 $146 {The position is equal.} ({Predecessor:} 12. Ne5 Ne7 13. Na4 Ba7 14. Nf3 Rc8 15. Rxc8 Qxc8 16. Be5 Ne4 17. Bd4 Bxd4 18. Nxd4 {1-0 (45) Bergsson,S (2285)-Einarsson,H (2320) Gardabaer 1991}) 12... Ba7 13. Ne5 d4 14. Nxc6 bxc6 15. exd4 ({Avoid the trap} 15. Bxa6 $2 dxe3 16. Qxd8 (16. fxe3 $2 Qxd1 17. Rcxd1 Nd5 $19) 16... exf2+ 17. Kh1 Rfxd8 $19) 15... Qxd4 16. Qxd4 Bxd4 17. Bf3 (17. Rfd1 $5 {[%cal Rd1d4]} Rfd8 18. b3 $11 (18. Rxc6 Bxa2 19. Rd6 Rxd6 $11)) 17... Bxa2 18. Bxc6 Rac8 {[#]} (18... Ra7 $1 $14) 19. Bd6 $1 $18 Rfd8 20. Be7 Ng4 {Hoping for ...Nxf2!} 21. Bxd8 Rxd8 22. Bb7 Rd6 23. h3 Ne5 24. Kh2 (24. Rc8+ $18 Kh7 25. Re1) 24... g5 25. Be4 Bc4 26. Rfd1 Bb3 27. Bc2 Ng4+ 28. hxg4 Bxc2 29. Rxc2 Be5+ {[%mdl 64] Discovered Attack} 30. f4 $1 Bxf4+ 31. g3 Bxg3+ 32. Kxg3 Rxd1 $16 {[%mdl 4096] Endgame KRN-KR} 33. Nc5 a5 34. b3 Rd5 35. Kf3 {And now Ke4 would win.} f5 36. gxf5 Rxf5+ 37. Ke4 Rf1 38. Ra2 g4 {[#]} (38... Kf7 $142) 39. Rxa5 (39. Rg2 $1 $16) 39... g3 $14 {White must now prevent ...g2.} 40. Ra2 {Threatens to win with Rg2.} h5 41. Ke3 (41. Rg2 $14 h4 42. Ne6) 41... h4 $11 42. Ne4 Rb1 ({Better is} 42... Kf7 $11) 43. Nxg3 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.12/Black=0.14} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.27"]
[Round "8.6"]
[White "Yan, Tianqi"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2207"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,103,52,51,52,52,53,59,52,52,52,54,54,31,68,70,59,51,53,53,72,0,0,0,53,0,43,36,80,78,85,85,85,84,84,83,82,81,82,54,83,77,84,86,79,0,0,0,0,0,70,63,157,135,166,160,156,164,168,185,192,185,166,144,302,292,382,323,12836,12837,12837,12837,12838,12838,12838,12834,12838,12834,29980,29981,29987,29988]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 a6 7. Bg2 Qc7 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Be6 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. Bxc5 dxc5 15. Nd5 Bxd5 {White is slightly better.} 16. exd5 Qd6 17. c4 O-O 18. Rfe1 Rfe8 19. Re2 {[#]} b5 $146 ({Predecessor:} 19... Re7 20. a3 a5 21. Rde1 b6 22. f4 Rae8 23. fxe5 Rxe5 24. Rxe5 Rxe5 25. Rxe5 Qxe5 {1-0 (58) Shyam,S (2530)-Kreisl,R (2439) Zalakaros 2016}) 20. Qd3 Rab8 21. b3 bxc4 22. Qxc4 (22. bxc4 $16 g6 23. Qd2) 22... Rb4 $11 23. Qc2 Rd8 ({Black should play} 23... Rd4 $11) 24. Rc1 ({Better is} 24. Rde1 $14) 24... Rc8 25. Rce1 Nd7 {[#]} 26. Bh3 $1 Rd4 27. Bxd7 Qxd7 28. Rxe5 Rxd5 29. Qc4 Rxe5 30. Rxe5 $16 {[%mdl 4096] Endgame KQR-KQR} Qd6 31. Rf5 Rc7 32. Rd5 Qe7 33. Qxa6 c4 {White must now prevent ...Qe1+.} 34. bxc4 (34. Rd1 $16) 34... Qe1+ $11 35. Kg2 {Threatens to win with Rd4.} Qe4+ {[%mdl 64] Double Attack} 36. Kh3 Rxc4 {[#]} (36... Qh1 $11 37. Rd8+ Kh7) 37. Re5 $1 $36 {[%cal Re5e4][%mdl 2048] White has the initiative.} Qg4+ ({Black should try} 37... Qd4 $14) 38. Kg2 $16 Rc2 39. Qd3 {[%cal Re5e8]} Rc8 40. Rd5 Qe6 41. Rd8+ Rxd8 42. Qxd8+ $18 {KQ-KQ} Kh7 43. Qa8 f5 $2 {Loses the game.} (43... h5 $16 {was called for.}) 44. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32] a5 is the strong threat.} Qc4 45. a5 {Strongly threatening a6.} f4 $2 (45... h5 46. h3 f4 47. gxf4 Qxf4) 46. a6 f3+ 47. Kxf3 Qf1 48. Qe4+ Kh8 49. Qe8+ Kh7 50. a7 Qd3+ 51. Qe3 Qf5+ 52. Kg2 {Weighted Error Value: White=0.09/Black=0.39} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.1"]
[White "Hu, Yu A."]
[Black "Guo, Qi"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2094"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,7,23,0,0,-6,-10,-14,14,0,0,0,0,-4,-7,-12,0,-8,-21,-24,-16,-7,-7,-39,-25,-32,-25,-67,-31,-22,-18,-25,-29,-26,-43,-35,-31,-79,-81,-102,-43,-41,-33,-30,-34,-63,-29,-34,-22,-21,-25,-56,-7,-17,-10,-14,-6,-10,0,-71,-52,-137,-136]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. Bd3 c5 6. c3 {C03: French Tarrasch: Unusual Black 3rd moves.} cxd4 7. cxd4 dxe4 8. Nxe4 {The position is equal.} Nbd7 9. Nc3 O-O 10. O-O b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 11. Ne5 Bb7 12. Qe2 {[#]} a6 $146 ({Predecessor:} 12... Nd5 13. Bd2 N7f6 14. Rad1 Rc8 15. Rfe1 Bb4 16. Ne4 Bxd2 17. Qxd2 Rc7 18. Ng5 h6 {0-1 (49) Salles,L (2129)-De Oliveira,I (1877) Joinville 2014}) 13. Bg5 b5 14. Rfd1 Nd5 15. Bxe7 Qxe7 16. Qh5 {[%csl Gd3][%cal Rh5h7] [#]} f5 {aiming for ...Nf4.} 17. Nxd5 Bxd5 18. Be2 Rac8 {Strongly threatening ...Nxe5.} 19. Bf3 Nf6 20. Qg5 Rc2 21. Bxd5 Nxd5 22. Qxe7 Nxe7 23. Nd7 Rd8 24. Nc5 Rd6 (24... e5 $17 25. Rdc1 Rxb2) 25. b4 $15 Nd5 26. a3 Nc3 27. Rd3 Rxd4 {[%mdl 64] [#] Decoy} 28. Rxd4 Ne2+ {[%mdl 64] Double Attack} 29. Kf1 Nxd4 30. Nxa6 $11 {[%mdl 4096] Endgame KRN-KRN} e5 31. Nc5 Kf7 32. Re1 $1 e4 33. Rd1 Ne6 34. Rd7+ (34. Nxe6 $11 Kxe6 35. Rd8) 34... Ke8 $17 {White must now prevent ...Rxc5.} 35. Rd5 Rc1+ {Weighted Error Value: White=0.15/Black=0.10} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.2"]
[White "Li, Xueyi"]
[Black "Yan, Tianqi"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "2328"]
[BlackElo "2207"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,97,8,20,77,62,88,74,80,69,102,85,74,71,122,101,110,93,91,101,91,83,104,105,111,107,135,122,122,119,123,113,155,100,157,144,145,130,172,172,237,238,231,229,241,203,215,200,204,168,168,168,250,250,787,771,727,401,400,400,400,378,490,374,1003,847,7175,5956,6146,5102,7175,6086,8127,8029,6299,6099,4167,3535]} 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O c6 8. Qc2 b6 9. Ne5 Bb7 10. Rd1 Nbd7 11. Bf4 Rc8 12. Nc3 c5 {E08: Closed Catalan: Main Line: 7 Qc2.} (12... Nh5 $11) 13. cxd5 $16 exd5 14. Qa4 cxd4 {White is better.} 15. Nxd7 {[#]} (15. Rxd4 Nc5 $11) 15... Nxd7 $146 ({Predecessor:} 15... dxc3 16. Nxf8 Bxf8 17. bxc3 Bc5 18. Bh3 Ra8 19. Be5 Ne4 20. Bd4 Bxd4 21. Qxd4 Qe7 22. Rac1 Rf8 {1-0 (41) Fehr,A (2102)-Briem,S (1865) Reykjavik 2017}) 16. Nxd5 Bxd5 17. Bxd5 Bf6 (17... g5 $142) 18. Qxa7 Rc2 19. Bf3 Ne5 20. Bxe5 Bxe5 21. Rab1 Qc7 22. Qxc7 Rxc7 23. a4 Ra7 24. b3 Rc8 25. Bg4 Rb8 26. Rbc1 Kf8 27. Rc6 ({White should try} 27. Bf5) 27... Ke7 (27... b5 $142) 28. Rdc1 g6 29. R1c4 h5 30. Bf3 f6 (30... Rd7 {was necessary.} 31. Be4 Rd6 32. Rc7+ Kf8) 31. Be4 $18 g5 32. Rb4 Rab7 33. h3 b5 34. Ra6 Rb6 35. Rxb6 Rxb6 {[%mdl 4096] Endgame KRB-KRB} 36. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} d3 (36... Rb8 $142 37. Bd3 Kd6 38. Rxb5 Rxb5 39. Bxb5 Kc7) 37. Bxd3 (37. axb6 $2 {perishes.} dxe2 38. Kg2 e1=Q $19) 37... Bc3 $2 {[#]} (37... Rb8 38. Re4 (38. Bxb5 Kd6 $11) 38... Kd6) 38. Re4+ ({Less strong is} 38. axb6 Bxb4 39. Kg2 (39. Bxb5 Kd6 $18) 39... Kd8 $18) 38... Re6 39. Rxe6+ Kxe6 {KB-KB} 40. a6 Bd4 41. Bxb5 h4 42. Kg2 Ke5 $2 {[#]} (42... hxg3 43. e3 Ba7 44. Kxg3 Kf5 45. Bd3+ Ke5 46. f4+ Ke6) 43. Kf3 {White is clearly winning.} f5 44. e3 Bb6 45. g4 Ba7 46. Bd3 fxg4+ 47. Kxg4 Kf6 48. f4 gxf4 49. exf4 {Weighted Error Value: White=0.21/Black=0.34} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.3"]
[White "Ning, Kaiyu"]
[Black "Yuan, Ye"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2327"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,77,31,13,19,10,6,8,16,7,23,29,16,0,19,11,36,27,21,9,12,14,33,24,21,17,23,13,33,32,40,28,41,44,35,7,20,0,82,0,0,0,30,0,0,-32,-6,-46,-14,-14,-14,-14,-14,-24,-23,-27,-14,-11,-8,-8,-10,-3,-3,-14]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 Nf6 5. g3 Nbd7 6. Bg2 Bd6 7. O-O O-O 8. Qc2 Re8 9. Re1 {9.e4 is the modern continuation.} e5 {E01: Catalan: Early deviations.} 10. cxd5 cxd5 {Black wants to play ...e4.} 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Nf3 Re8 {[#]} 14. Qb3 $146 ({Predecessor:} 14. Bg5 h6 15. Bxf6 Qxf6 16. Qd2 Be6 17. Rac1 Rac8 18. Rxc8 Rxc8 19. Rc1 Rxc1+ 20. Qxc1 {½-½ (45) Kunte,A (2550)-Suvrajit,S (2395) Visakhapatnam 2004}) 14... h6 15. Be3 Qe7 16. Bd4 Be6 17. Bxf6 Qxf6 18. Qxb7 Reb8 19. Qc6 Bb4 20. Reb1 Rc8 21. Qa6 Bc5 22. e3 Rab8 23. b3 Rb6 {[%cal Bb8b6,Bb6c6,Bc6c3][%mdl 32]} 24. Qe2 Rbc6 25. Rd1 Bb6 $1 26. Ne1 Ba5 (26... Rc3 $11 {remains equal.}) 27. e4 (27. Rab1 $16) 27... dxe4 $11 28. Bxe4 Rc3 29. Rab1 Bb6 {Threatens to win with ...Bg4!} 30. Rd3 R3c7 {[%mdl 1024] Strongly threatening ...Bg4! Black has compensation.} 31. Kg2 Re7 (31... Re8 $5 {[%cal Re6f5]} 32. Qf3 Qxf3+ 33. Nxf3 Bg4 $17) 32. Qf3 Qe5 33. Rd2 h5 {White must now prevent ...Bg4.} 34. Re2 {Hoping for Bh7+!} Bg4 35. Bh7+ $1 {[%mdl 64] [#] Discovered Attack} Kxh7 36. Rxe5 {aiming for Qd3+.The position is equal.} Bxf3+ 37. Nxf3 Rxe5 38. Nxe5 Rc2 {[%mdl 64] [#] Double Attack} 39. a4 {Weighted Error Value: White=0.12/Black=0.12} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.4"]
[White "Gu, Xiaobing"]
[Black "Zhai, Mo"]
[Result "0-1"]
[ECO "B04"]
[WhiteElo "2263"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,148,-10,0,-15,-3,0,25,21,19,0,50,41,43,23,82,0,0,0,0,0,0,-25,-27,-68,-75,-93,-54,-66,-50,-56,-66,-65,-57,-101,206,223,411,398,357,0,0,0,0,0,0,0,0,-12,0,-132,-136,-136,-142,-136,-114,-127,-129,-167,-138,-321,-127,-127,-125,-121,-116,-111,-56,-159,-162,-147,-20,-20,-20,-34,-20,-20,-20,-133,-20,-22,0,-90,-90,-150,-20,-20,-27,-35,-8,-8,-8,-8,-8,-1264,-8,-15,-29,-3516,-8,-1946,-1822,-1808,0,-1354,-1377,-1213,-1213,-1213,-1152,-1137,-1137,-1055,-8,-29983,-29974,-29972,-29971,-29980,-29981,-29981,-29982,-29982,-29983,-29982,-29983]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 g6 6. Be3 Bg7 7. exd6 cxd6 8. Nc3 O-O 9. Rc1 Bg4 10. Be2 d5 11. b3 Nc6 12. c5 Nc8 13. O-O {13.h3 injects fresh life into this line.} e6 14. Qd2 {B04: Alekhine's Defence: 4 Nf3.} N8e7 15. Nh4 {[#]} Nc8 $146 ({Predecessor:} 15... Bxe2 16. Nxe2 b6 17. Bh6 bxc5 18. Rxc5 Qb6 19. Rfc1 Rfc8 20. Bxg7 Kxg7 21. Nf3 a5 22. h4 Qb4 23. Qf4 f6 24. h5 g5 25. h6+ Kg6 26. Qg4 Nd8 {1-0 (26) Khukhashvili,S (2341)-Patsia,Z (2107) Tbilisi 2019}) 16. Bg5 {White has an edge.} Bf6 17. f4 Bxe2 (17... Bxd4+ $6 18. Kh1 $16) (17... h6 $5 18. Bxg4 hxg5 $11) 18. Nxe2 a5 19. Rc3 a4 (19... Bxg5 $11 20. fxg5 N8e7) 20. Rh3 (20. b4 $1 $16) 20... axb3 $11 21. axb3 Ra3 22. Nf3 Rxb3 23. Qe1 h5 24. Ng3 Bxg5 25. fxg5 Qa5 26. Nxh5 $1 gxh5 27. Qh4 {[%cal Rh4h5] [#]} Rxf3 $1 28. Rhxf3 (28. gxf3 $2 Qd2 $19) 28... Qd2 29. Rf4 Qe2 {[%mdl 8192]} (29... Qe3+ $1 $17 {keeps the pressure on.} 30. Kh1 N8e7 31. Qxh5 Qd3) 30. g6 $1 $18 {[%cal Rg6f7]} f5 (30... N8e7) 31. g4 Kg7 32. gxf5 $2 (32. Re1 $1 $18 {[%cal Re1e2]} Qd2 33. gxh5) 32... exf5 33. Rxf5 Rxf5 34. Rxf5 {White threatens Qf6+ and mate.} Qd1+ 35. Kg2 {White wants to mate with Qf6+.} Qc2+ 36. Qf2 Qe4+ 37. Qf3 (37. Kg1 $11 {remains equal.} Qg4+ 38. Kh1 Qe4+ 39. Kg1 Kxg6 40. Rf8 Qb1+ 41. Kg2 Qe4+ {[%mdl 64] Double Attack} 42. Kg1 Qb1+ 43. Kg2 Qe4+ {[%mdl 64] Double Attack} 44. Kg1) 37... Qxf3+ $1 $17 (37... Kxg6 38. Rxd5 Qxf3+ 39. Kxf3 $14) (37... Nxd4 $6 38. Qxe4 dxe4 39. Rxh5 $11) 38. Rxf3 N8e7 (38... Nxd4 39. Rf7+ Kxg6 40. Rc7 $15) 39. Rb3 Nd8 40. Rb6 Nec6 (40... Nxg6 $6 41. Kg3 $11) 41. Kg3 Kxg6 ({Don't play} 41... Nxd4 42. Kh4 $15) 42. Kf4 $2 (42. Kf3 $17) 42... Kf6 $2 (42... Ne6+ $19 {and Black stays clearly on top.} 43. Ke3 Ncxd4) 43. Ke3 Kf5 44. Rb2 Kg4 45. Rg2+ Kh4 $1 {White must now prevent ...Ne6.} 46. Rg7 {[#]} (46. Rb2 $1 $15) 46... Nxd4 $1 {[%mdl 512]} 47. Rd7 N8c6 (47... N8e6 $17 48. Rxd5 Nb3) 48. Rxd5 $11 Ne6 49. Ke4 Kg4 50. h3+ Kh4 {White should prevent ...Nb4.} 51. Rf5 Ng5+ ({Much worse is} 51... Kxh3 $6 52. Rxh5+ Kg3 53. Rh1 $11) (51... Ncd4 $17 52. Re5 Nb3 $1) 52. Ke3 Nxh3 53. Kd3 (53. Rf1 $11 {keeps the balance.}) 53... Kg4 $17 54. Rf8 (54. Rf1 $142) 54... Ng5 (54... h4 $17 {Strongly threatening ...Ng5.} 55. Rf1 Ng5) 55. Kc4 $11 h4 {And now ...h3 would win.} 56. Kb5 h3 {...h2 is the strong threat.} (56... Ne6 {keeps more tension.} 57. Rg8+ Kf3 58. Kb6 Ncd8 59. Rh8 Kg3) 57. Kb6 h2 58. Rf1 Nd8 59. Rd1 $2 {[%mdl 8192] [#]} (59. Kc7 $11) 59... Kg3 $2 60. Kc7 Nge6+ 61. Kc8 $2 {[%mdl 8192]} (61. Kb6 $11 Kh3 62. Rb1) 61... Kf3 $2 (61... Nxc5 $19 {Hoping for ...Nde6.} 62. Kc7 Ne4 $1) 62. Rd3+ $2 {[%mdl 8192]} (62. Rc1 $11) 62... Kg2 63. Rd2+ Kg3 $2 (63... Kh3 $1 $19 64. Rd1 Nxc5 65. Kxd8 b5) 64. Rd3+ $2 {[%mdl 8192]} (64. Rd1 $11 Nxc5 65. Kxd8) 64... Kg4 $1 $19 65. Rd1 Nxc5 66. Kxd8 {[%mdl 4096] Endgame KR-KN} b5 {[%cal Bb7b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 67. Kc7 b4 68. Kc6 {[#]} Ne4 $2 ({Black should try} 68... Nd3 $1 $19 {[%mdl 512]} 69. Kb5 b3 $1 70. Rxd3 h1=Q 71. Rxb3 Qd5+ 72. Kb4 Qd6+ 73. Kc3 Qd7 74. Rb4+ Kf3) 69. Re1 $2 {[%mdl 8192]} (69. Rh1 $11) 69... Kf3 {Black mates.} 70. Kb5 {[#]} b3 $1 {[%cal Rb3b2]} 71. Kb4 b2 72. Ka3 Nf2 ({Not} 72... Kf2 73. Rh1 $11) 73. Kb3 Nd3 74. Rd1 {[#]} Kg2 $1 {What a fight!  Weighted Error Value: White=0.42/Black=0.58} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.5"]
[White "Tan, Zhongyi"]
[Black "Ni, Shiqun"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2510"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,73,16,9,22,19,17,25,19,17,0,0,23,0,15,-29,-37,-39,-34,-32,-46,-37,0,-56,-22,-27,0,-27,-17,-43,-31,-51,15,14,24,14,45,16,56,43,62,68,73,0,110,71,72,0,0,0,81,40,331,323,541,520,654,659,618,652,615,627,1688,1667,2323,2278]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 g6 6. Qb3 {[%cal Rc4d5]} e6 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6.} 7. Nf3 Nc6 8. c5 Bg7 {White has an edge.} 9. Bb5 {[#]} O-O $146 ({Predecessor:} 9... Bd7 10. O-O O-O 11. Re1 a6 12. Bxc6 Bxc6 13. Bf4 Nh5 14. Bd6 Re8 15. Na4 Qa5 {1-0 (30) Murphy,J (1223)-Drobotov,G (1828) LSS email 2009}) 10. O-O Ne4 11. Rd1 Bd7 12. Bf4 Nxc3 13. bxc3 Na5 14. Qa4 Bxb5 15. Qxb5 Re8 16. Ne5 (16. c4 $11) 16... Re7 17. Ng4 {Threatening Bg5.} Rd7 18. h4 Nc6 19. Bg5 f6 20. Bf4 h5 ({Better is} 20... f5 $15 21. Nh2 Qxh4) 21. Ne3 $11 Kf7 22. Rab1 Bf8 23. Rb3 Rc8 24. Qe2 Na5 25. Rb5 b6 {[%cal Rb6c5] [#]} 26. Re1 ({White should play} 26. g4 $1 $16 {[%cal Rg4h5]}) 26... Rc6 (26... bxc5 $11 {keeps the balance.} 27. g4 cxd4 28. cxd4 Nc6) 27. g4 hxg4 28. Rxa5 bxa5 29. Nxg4 Rb7 (29... Bg7 $1 $11) 30. Qf3 {[%mdl 1024] White has strong compensation.} Be7 $2 {[%mdl 8192] Loses the game.} ({Black should try} 30... Bg7 $1 $14) 31. h5 $18 Qh8 $2 (31... g5) 32. Bg3 {White is clearly winning.} Kg7 {[#]} 33. Ne5 $1 {[%mdl 576] Double Attack} Rc8 34. Nxg6 Qg8 35. Nf4 Kf7 36. Nxe6 Rd7 37. Qf5 {Weighted Error Value: White=0.16/Black=0.45} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.28"]
[Round "9.6"]
[White "Xiao, Yiyi"]
[Black "Song, Yuxin"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "2301"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,100,5,-12,22,16,42,31,96,40,95,82,77,93,87,36,74,61,73,52,117,126,129,123,123,138,288,275,272,257,278,101,107,97,106,38,75,83,93,87,92,87,103,59,100,79,84,83,75,43,87,66,87,33,33,27,15,29,41,25,24,0,0,0,11,0,0,0,13,0,17,4,15,0,58,57,42,48,53,8,72,0,44,33,58,-357,-361,-336,-387]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. b3 Ngf6 6. Bb2 c6 7. O-O Be7 8. d3 Qc7 {A12: English Opening: 1...c6 with b3 by White.} 9. Qc2 {[#]} Bd6 $146 ({Predecessor:} 9... O-O 10. Nbd2 a5 11. cxd5 exd5 12. e4 Rad8 13. Nd4 dxe4 14. dxe4 Rfe8 15. h3 Bh5 {½-½ (29) Owens,J (2189)-Kietzmann,S (2096) ICCF email 2016}) 10. Nbd2 e5 (10... O-O $14) 11. h3 ({White should try} 11. cxd5 $1 $16 Nxd5 12. d4) 11... Be6 (11... Bxf3 $14 12. Bxf3 O-O) 12. cxd5 $16 cxd5 13. Qxc7 Bxc7 14. Ba3 (14. Rac1 $16 Bd6 15. e4) 14... h6 15. Rac1 Rc8 16. e4 Kd8 ({Better is} 16... dxe4 $1 $14 17. dxe4 (17. Nxe4 Nxe4 18. dxe4 f6 $14) 17... Nb8) 17. exd5 Bxd5 18. Nc4 Re8 19. Ne3 Bxf3 (19... Re6 $16 {is a better defense.}) 20. Bxf3 $18 e4 21. dxe4 Nxe4 22. Rfd1 (22. Nf5 $18 Re5 23. Be7+ $1 {[%mdl 512]} Ke8 24. Bd6 $1 {[%mdl 512]} Nxd6 25. Nxd6+ Bxd6 26. Rxc8+ Ke7 27. Bxb7) 22... Bb6 $16 23. Rxc8+ Kxc8 24. Nc4 (24. Bg4 $16 Nef6 25. Nf5 Nxg4 26. Nd6+ {[%mdl 64] Double Attack} (26. hxg4 Re2 $11 {[%mdl 64] Double Attack}) 26... Kd8 27. Nxf7+ (27. hxg4 Re2 $16) (27. Nxe8 Nxf2 {[%mdl 64] Double Attack} 28. Rxd7+ Kxd7 $11) 27... Kc7 28. Rc1+ (28. hxg4 Nf6 $16) 28... Kb8 29. hxg4) 24... Bc7 25. Kg2 Ndf6 26. Bb2 g6 27. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Nd7 28. a5 Re6 29. b4 a6 30. Bd4 f5 31. Ne3 Ndf6 32. Rc1 {Black must now prevent Bxe4.} Kb8 {[#]} 33. Rc2 (33. Ba7+ $1 $16 Kxa7 34. Rxc7) 33... Be5 $14 34. Bb6 Nd7 35. Nd5 (35. Bxe4 {feels hotter.} Nxb6 36. Bf3 Nc8 37. Rd2 Ne7 38. Nc4) 35... Nxb6 36. Nxb6 {Threatening mate with Rc8+.} Bc7 $1 37. Na4 Bd6 38. Rb2 Be7 39. Nb6 Bd8 40. Nd5 Re5 41. Ne3 Bc7 42. Nc4 Re6 43. g4 f4 (43... fxg4 $11 44. hxg4 Ng5) 44. b5 axb5 45. Rxb5 Ka7 46. Rb4 Nc5 (46... g5 $11) 47. Rb5 (47. Bd5 $5 {[%cal Rb4b5]} Re7 48. Rb5 $14) 47... Ne4 48. Nb2 Ka6 49. Be2 {[%mdl 8192]} (49. Rd5 $14) 49... f3+ $1 $19 {[%mdl 64] Decoy} 50. Kxf3 {Strongly threatening Re5+.} Nd2+ {Never resign too early!  Weighted Error Value: White=0.39/Black=0.22} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.1"]
[White "Guo, Qi"]
[Black "Song, Yuxin"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2418"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,121,20,28,25,37,31,23,16,18,32,27,35,23,13,10,25,21,13,13,14,7,32,0,0,0,0,0,90,87,91,45,44,31,31,9,59,58,64,54,79,79,79,66,79,79,79,79,79,79,79,79,79,79,79,0,0,0,5,0,1,0,143,167,148,73,75,8,8,0,0,0,233,0,8,8,8,0,34,25,63,55,93,83,129,115,585,572,564,491,29967,29967,29967,29966,12810,3890,1293,588,29977,29978,29976,29975,29983,29983,29985,29986,29986,29987,29987,29988]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bf4 dxc4 6. e3 Nd5 7. Bxc4 Nxf4 8. exf4 Nb6 {The main line 8...Nb6 scores better than 8...Bd6. D37: Queen's Gambit Declined: 5 Bf4.} 9. Bb3 Bd6 10. Ne5 Bd7 {White has an edge.} 11. O-O O-O {[#]} 12. Qh5 $146 ({Predecessor:} 12. Qg4 Bxe5 13. dxe5 Bc6 14. f5 exf5 15. Qxf5 Qe7 16. Rfe1 Rad8 17. Rad1 g6 18. Qf4 Kg7 19. h4 Rxd1 20. Rxd1 Nd7 21. Re1 Nc5 22. Bc4 Ne6 {½-½ (22) Ibragimov,I (2610)-Smagin,S (2575) St Petersburg 1998}) 12... Qf6 13. Bc2 {[%csl Gc2][%cal Rh5h7]} g6 14. Qf3 $40 {[%mdl 128] White mounts an attack.} Bc6 15. Be4 Bxe4 16. Nxe4 Qe7 17. g3 Rad8 18. h4 (18. Qb3 {looks sharper.} c6 19. Rad1 Bc7 20. h4 Rd5 21. Nc3) 18... f5 19. Nxd6 cxd6 20. Qa3 Nc8 (20... Rc8 $11) 21. Nf3 $16 d5 22. Rfe1 (22. Qa5 {seems wilder.} a6 23. Rfe1 Na7 24. Re3 Nc6 25. Qd2) 22... Qxa3 $1 23. bxa3 Rfe8 24. Ng5 Rd6 25. Rac1 h6 {[#]} 26. Nxe6 {[%mdl 64] Deflection} Rdxe6 (26... Kf7 27. Nc5) 27. Rxe6 Rxe6 28. Rxc8+ $14 {[%mdl 4096] Endgame KR-KR} Kf7 29. Rd8 h5 30. Rxd5 Ra6 31. Rd7+ Ke6 32. Rg7 Kd5 33. Rxb7 Rxa3 34. Rg7 ({White should play} 34. Rd7+ $16 Ke6 35. Rg7) 34... Ra6 $1 $11 35. Kg2 Kxd4 36. a4 Kc5 37. f3 Kb4 (37... Kd4 $11) 38. g4 $1 $16 Kxa4 39. gxf5 (39. Rb7 $142 $1) 39... gxf5 40. Rf7 (40. Kh3 $16) 40... Rg6+ $11 41. Kf2 a5 42. Rxf5 Rh6 $2 (42... Kb4 $11 {and Black has nothing to worry.}) 43. Re5 $2 ({White must play} 43. Rf8 $1 $18) 43... Kb4 44. f5 a4 45. Re6 Rh8 46. Kg3 {Hoping for Ra6.} Ra8 47. Kf4 a3 {And now ...a2 would win.} 48. Re1 $1 {Black must now prevent f6.} a2 49. Ra1 {Threatens to win with f6.} Kb3 $2 {[%mdl 8192] This costs Black the game.} (49... Kc5 $16 {is a better chance.}) 50. f6 $1 $18 Kb2 51. Re1 a1=Q (51... Rc8 $18 52. Kf5 Rc3) 52. Rxa1 Kxa1 {[#] KR-K3P} 53. Kg5 $1 Kb2 54. Kxh5 (54. f7 $142 Rf8 55. Kg6) 54... Rh8+ {[#]} 55. Kg5 $1 {Strongly threatening f7.} Kc3 56. f7 {White mates.} Kd4 57. Kg6 Ke3 58. h5 Kf4 59. h6 Ke5 60. Kg7 Ke6 61. f8=Q {Weighted Error Value: White=0.17/Black=0.62} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.2"]
[White "Ni, Shiqun"]
[Black "Xiao, Yiyi"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2389"]
[BlackElo "2301"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,0,0,0,0,0,0,0,-7,-18,-7,-11,-4,-3,-19,-10,-9,-14,-8,-13,12,16,20,0,0,0,1,6,4,2,2,-6,0,0,0,0,0,0,12,10,8,3,11,11,29,0,29,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O h6 6. Nbd2 e6 7. Re1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 8. Ne5 Nbd7 9. Nxd7 Qxd7 10. c3 O-O 11. e4 dxe4 12. Nxe4 Bxe4 13. Bxe4 Nxe4 14. Rxe4 c5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Be3 Rfd8 16. Qb3 Qc6 17. Re5 cxd4 18. cxd4 a6 19. Rc1 Qd7 20. d5 exd5 21. Rd1 {1-0 (49) Popescu,F (2181)-Dyulgerov,D (1987) Albena 2015}) 15... cxd4 16. Rxd4 Qc6 17. Bf4 Rad8 18. Rad1 Rxd4 19. Rxd4 Rd8 20. Rxd8+ Bxd8 21. Qd2 (21. c4 {is interesting.} Be7 22. b3 b6 23. Bd2 f6 24. a4) 21... Bb6 (21... Bf6 {seems wilder.} 22. Qe2 Qd5 23. c4 Qf5 24. Kg2 g5) 22. Be3 Bxe3 23. Qxe3 $11 {[%mdl 4096] Endgame KQ-KQ} a6 24. b3 f6 25. c4 Kf7 26. h4 h5 27. Qd3 e5 28. Kf1 b5 29. Ke2 bxc4 {The position is equal.} 30. bxc4 Ke6 31. Ke3 Qb6+ (31... a5 {keeps more tension.} 32. Qh7 Qb6+ 33. Kf3 Qc6+ 34. Ke3) 32. Kf3 Qd6 33. Qh7 Qc6+ 34. Ke3 Qc5+ 35. Kf3 Qc6+ 36. Ke3 Qc5+ {A rather calm draw.  Weighted Error Value: White=0.04/Black=0.04} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.3"]
[White "Zhai, Mo"]
[Black "Tan, Zhongyi"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2366"]
[BlackElo "2510"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,65,0,0,-4,9,-4,-2,5,44,8,8,-14,0,14,2,16,7,1,18,6,27,20,9,-25,23,16,23,12,12,21,28,14,14,27,18,15,10,12,16,9,19,22,28,0,0,0,0,0,0,0,0,0,0,-26,0,0]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c3 b6 7. c4 {7.a4 gains popularity. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} c6 8. Ne5 Bb7 9. Nc3 e6 {[#]} 10. a4 $146 ({Predecessor:} 10. b4 Nbd7 11. Nxd7 Qxd7 12. cxd5 cxd5 13. Qd3 Rfc8 14. Bd2 Rc4 15. Rfb1 Ne4 16. e3 Nxd2 17. Qxd2 {0-1 (32) Makka,E (2095)-Zaksaite,S (2272) Heraklion 2017}) 10... Nfd7 11. cxd5 Nxe5 12. dxe5 {[#] aiming for dxe6.} exd5 13. f4 Na6 {[%cal Bb8a6,Ba6c5,Bc5d3][%mdl 32]} 14. Be3 Qe7 {With the idea ...f6.} 15. Bf2 Rfd8 16. Qb3 Nc5 17. Qc2 a5 18. Rfd1 Ba6 19. e4 dxe4 20. Nxe4 {Strongly threatening Nd6.} Bd3 {[#]} 21. Rxd3 Nxd3 22. Bxb6 Rdb8 23. Bd4 ({But not} 23. Qxd3 Rxb6 24. Rb1 Rd8 $15) 23... Nb4 24. Qc4 Rd8 {next ...Rxd4! is good for Black.} 25. Rc1 Qd7 26. Nd6 Qc7 27. Bc5 Bf8 28. Qd4 Rab8 29. Bf1 Nd5 30. Bg2 Nb4 31. Bf1 Nd5 32. Bg2 Nb4 33. Bf1 {A rather calm draw.  Weighted Error Value: White=0.07/Black=0.07} 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.4"]
[White "Yuan, Ye"]
[Black "Gu, Xiaobing"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2081"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,73,-5,0,-6,-18,-8,-18,-20,-8,-16,0,-12,-4,-6,-10,-7,-7,-10,0,-3,15,8,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,14,11,11,6,16,9,20,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-58]} 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O h6 6. Nbd2 e6 {The position is equal.} 7. Re1 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Be7 8. Ne5 Nbd7 9. Nxd7 Qxd7 10. c3 O-O 11. e4 dxe4 12. Nxe4 Bxe4 13. Bxe4 Nxe4 14. Rxe4 c5 {[#]} 15. Qe2 $146 ({Predecessor:} 15. Be3 Rfd8 16. Qb3 Qc6 17. Re5 cxd4 18. cxd4 a6 19. Rc1 Qd7 20. d5 exd5 21. Rd1 {1-0 (49) Popescu,F (2181)-Dyulgerov,D (1987) Albena 2015}) 15... cxd4 16. Rxd4 Qc6 17. Bf4 Rad8 18. Rad1 Rxd4 19. Rxd4 Rd8 20. Rxd8+ Bxd8 21. Qd2 (21. Be5 {with more complications.} f6 22. Bd4 a6 23. c4 Be7 24. b3) 21... Bb6 (21... Bf6 {is interesting.} 22. Qe2 Qd5 23. c4 Qf5 24. Kg2 Bd4) 22. Be3 Bxe3 23. Qxe3 $11 {[%mdl 4096] Endgame KQ-KQ} a6 24. b3 f6 25. c4 Kf7 26. h4 h5 27. Qd3 e5 28. Kf1 b5 (28... g6 {seems wilder.} 29. a4 a5 30. Qd8 b6 31. Ke2 Ke6) 29. Ke2 bxc4 30. bxc4 Ke6 31. Ke3 Qb6+ (31... f5 {feels hotter.} 32. Qc2 g6 33. Qb3 Kd7 34. Ke2 Qe4+) 32. Kf3 Qd6 33. Qh7 Qc6+ 34. Ke3 Qc5+ 35. Kf3 Qc6+ 36. Ke3 Qc5+ 37. Ke4 {A rather calm draw.  Weighted Error Value: White=0.02/Black=0.03} (37. Kf3 $11) 1/2-1/2

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.5"]
[White "Yan, Tianqi"]
[Black "Ning, Kaiyu"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2207"]
[BlackElo "2327"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,103,48,50,62,23,27,22,26,14,23,11,18,0,22,7,22,19,14,20,27,0,0,3,4,-11,-11,-13,-15,-8,-5,-3,0,0,0,-33,-21,-17,-13,-13,-17,-27,-12,-35,0,-45,-35,-33,2,2,2,2,2,0,5,5,50,65,146,116,122,0,54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29976,-29974,-29998,-29999,-29999]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. c3 c5 5. Ngf3 cxd4 6. Nxd4 dxe4 7. Nxe4 Nf6 8. Bd3 O-O 9. O-O Nbd7 10. Qe2 Nxe4 11. Bxe4 Nf6 12. Bc2 h6 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4.} 13. Bf4 Bd6 $1 {[%cal Rd6f4]} 14. Bxd6 Qxd6 {The position is equal.} 15. Rfd1 {[#]} Qc5 $146 ({Predecessor:} 15... a6 16. Nf3 Qb6 17. Ne5 Qc7 18. a4 b6 19. Rd4 Bb7 20. Rad1 Rad8 21. h3 Rd5 22. Rxd5 Nxd5 {1-0 (49) Gavric,M (2368)-Bjelica,B Banja Dvorovi 2018}) 16. Qf3 Bd7 17. a4 a5 18. Rab1 e5 19. Nf5 Bxf5 20. Qxf5 Ra6 21. Re1 Re8 22. Bd3 Rae6 23. Rbd1 g6 24. Qh3 e4 25. Be2 e3 26. f3 Kg7 27. Qh4 Qb6 28. b4 Rc8 29. bxa5 Qxa5 30. Qb4 Qe5 31. Qxb7 Rxc3 32. Qb4 Rc5 33. Rd8 Qc7 34. Rb8 Re7 {[#]} 35. Rb7 $1 Qd6 {And now ...Qd2 would win.} 36. Rxe7 $1 Qxe7 37. a5 Qc7 38. a6 Rh5 39. g3 {Strongly threatening Ra1.} Rg5 (39... Qa5 $14 40. Rb1 Qxb4 41. Rxb4 Ra5) 40. f4 Ra5 {[#]} 41. Qd4 (41. Qb2 $1 $16) 41... Ra3 $14 42. Bd3 (42. g4 $14 Qa5 43. Rd1) 42... Qa5 $11 43. Rxe3 {Hoping for Bc4.} Qd2 44. a7 Qd1+ 45. Kg2 Ra2+ 46. Re2 $1 {[%cal Re2a2]} Rxe2+ 47. Bxe2 Qxd4 48. a8=Q Ne4 {( -> ...Qf2+)} 49. Kh3 Qe3 50. Bc4 {[%mdl 8192] [#]} (50. Qa1+ $11 Nc3 51. Qb2) 50... Qf3 $1 {Black mates.} 51. Qc8 Nf2+ 52. Kh4 Qh5# {Weighted Error Value: White=0.32/Black=0.07} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.29"]
[Round "10.6"]
[White "Hu, Yu A."]
[Black "Li, Xueyi"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2094"]
[BlackElo "2328"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,115,0,0,0,0,0,0,0,0,-16,-4,-106,-127,-143,-97,-137,125,129,116,115,104,64,57,59,72,0,0,0,0,0,0,0,0,0,0,0,0,-237,-200,-197,0,0,121,-109,-54,-44,-51,-167,50,44,59,60,62,58,178,66,161,63,56,50,95,0,55,0,0,0,0,0,311,316,297,299,368,366,482,462,452,412,628,615,606,310,310,310,760,792,764,772,677,693,979,958,12840,12840,12841,12841,12841,12841,12841,12842,12843,12843,12844,12844]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Be3 Nd7 {6...Qb6 gains popularity.} 7. c4 cxd4 8. Nxd4 {B12: Caro-Kann: Advance Variation.} Bxb1 9. Rxb1 Bb4+ 10. Kf1 {The position is equal.} Ne7 11. Qb3 Bc5 12. Qxb7 (12. f4 $11) 12... O-O $17 {[#]} 13. g3 $146 ({Predecessor:} 13. Nc6 Nxc6 14. Bxc5 Na5 15. Qb4 Nxc5 16. Qxc5 Nxc4 17. Bxc4 Rc8 18. Qxa7 Rxc4 19. b4 {0-1 (68) Eggleston,D (2327)-Sugden,J (2159) England 2012}) 13... Bb6 {Threatens to win with ...Nc5.} 14. Qa6 Nxe5 $2 {[%mdl 8192]} (14... dxc4 $17 {stays on course.} 15. Nf3 Bxe3 16. fxe3 Nd5) 15. c5 $1 $16 Bc7 16. b4 N5g6 17. f4 e5 18. fxe5 Bxe5 19. Kg2 (19. Nf3 $16) 19... Bxd4 $11 20. Bxd4 {Hoping for Bg4.} Nf5 21. Rhd1 Qg5 22. Kh1 $36 {[%mdl 2048] White fights for an advantage.} h5 23. Bf2 h4 {[%cal Rh4g3]} 24. Qd3 Rae8 25. Qf3 (25. Qd2 $11 Ne3 26. Bxe3 Rxe3 27. Rb3) 25... hxg3 $19 26. hxg3 d4 $2 (26... Re4 $1 $19 27. Rb3 Ne5) 27. Rb3 $11 d3 (27... Qf6 $11 {keeps the balance.}) 28. Bxd3 $2 {[#]} (28. Rdxd3 $16 {and life is bright. aiming for Rd1.} Ne5 {[%mdl 64] Double Attack} 29. Qf4 Qxf4 30. gxf4 Nxd3 31. Bxd3) 28... Ne3 (28... Nxg3+ $1 $17 {[%mdl 512]} 29. Kh2 (29. Bxg3 Re3 $17) 29... Nh5) 29. Re1 $15 Ng4 30. Kg1 {[#]} (30. Rxe8 $1 $15 Rxe8 31. Kg2) 30... Nxf2 $2 (30... N6e5 $1 $19 {[%cal Re5f3]} 31. Qh1 g6) 31. Qxf2 $14 Rxe1+ 32. Qxe1 Ne5 33. Bc2 (33. Be4 {keeps more tension.} Ng4 34. Bf3 Ne5 35. Re3 Nxf3+ 36. Rxf3 Qd5 37. Qc3) 33... Ng4 (33... g6 $14) 34. Qe2 (34. Rd3 $18) 34... Nf6 {[#]} (34... a5 $14) 35. Qe3 (35. Rd3 $1 $18) 35... Qd5 {With the idea ...Re8.} 36. Qd3 {Strongly threatening Qxd5.} Qe5 37. Qe3 (37. Qd2 $16) 37... Qa1+ (37... Qd5 $11) 38. Bb1 ({White should play} 38. Kg2 $14) 38... Re8 $11 39. Qf2 {And now Qb2 would win.} Qe5 40. Rf3 Qe1+ $2 {[%mdl 8192]} (40... Qa1 $11 {and Black is okay.} 41. Rb3 Qe5) 41. Qxe1 $18 Rxe1+ {[%mdl 4096] Endgame KRB-KRN} 42. Rf1 Re3 43. Rc1 g6 44. c6 {c7 is the strong threat.} Nd5 45. Kf2 {Black must now prevent c7.} Re7 (45... Re8 $142 46. b5 Nc7) 46. b5 Kf8 47. Rc5 Nb6 48. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ke8 $2 (48... Nxa4 49. c7 Nb6 50. c8=Q+ Nxc8 51. Rxc8+ Kg7) 49. a5 {White is clearly winning.} Nc8 50. Rd5 Rc7 51. Ke3 a6 52. b6 Nxb6 53. axb6 Rxc6 {KRB-KR} 54. b7 Rb6 55. Re5+ Kd7 56. Be4 f6 57. Rd5+ Kc7 58. Rc5+ {Quite a comeback for White.  Weighted Error Value: White=0.44/Black=0.55} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.1"]
[White "Li, Xueyi"]
[Black "Guo, Qi"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2328"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,76,0,0,0,0,8,-8,0,-30,-15,-29,-31,-69,-60,-87,-38,-53,-62,-88,-50,-87,-95,-82,-78,-114,-107,-166,-132,-161,-171,-177,-163,-172,-149,-204,-145,-164,-141,-143,-143,-162,-162,-160,-160,-160,-160,-160,-152,-662,-656,-655,-641,-623,-614,-614,-208,-600,-597,-6621,-5716,-4727,-2988,-29978,-29977]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c5 6. O-O Nc6 7. Na3 {Recently 7.dxc5 got a lot of attention.} cxd4 8. Nxc4 Bc5 {E04: Open Catalan: 5 Nf3.} 9. a3 a5 10. Bf4 O-O {The position is equal.} 11. Rc1 Nd5 12. Nce5 {[#]} Ba7 $146 ({Predecessor:} 12... Nxf4 13. Rxc5 Nxe5 14. gxf4 Nxf3+ 15. Bxf3 Ra6 16. Qd3 Qf6 17. Qe4 Rd6 18. Qe5 Qe7 {1-0 (32) Abasov,N (2516)-Rzayev,B (2432) Baku 2014}) 13. Nxc6 bxc6 14. Rxc6 Nxf4 15. gxf4 Bb7 16. Rc4 Bd5 17. Rc1 Qf6 18. Qd2 Rad8 19. Rfd1 Bb3 20. Rf1 (20. Re1 $17) 20... Bb8 $1 $19 21. Qxa5 Bxf4 22. Rc5 Bd5 23. Rd1 Qg6 24. Kh1 (24. Nh4 $17 Qg4 25. Nf3) 24... Qh6 {...Bxf3 is the strong threat.} 25. h3 g5 26. Kg1 f5 $1 27. Nxd4 Bxg2 28. Kxg2 {[%cal Rd4f5] Black must now prevent Nxf5.} g4 29. h4 {[%cal Rd4f5] Threatens to win with Nxf5.} Bd6 {aiming for ...Qf4.} (29... Qxh4 30. Rh1 $11) 30. Nxf5 Qf4 {[%cal Rf4h2] ( -> ...Qh2+)} ({Don't take} 30... exf5 31. Rxf5 Be7 32. Rxd8 $15) 31. Nxd6 $2 {Now White is beyond hope.} (31. Rxd6 $17 Rxd6 32. Ne7+ (32. Nxd6 {gets mated.} Qxf2+ {[%mdl 64] Double Attack} 33. Kh1 Qxh4+ 34. Kg2 Qh3+ 35. Kg1 Rf1#) 32... Kh8 33. Qc3+ Rf6 34. Qe3) 31... Qxf2+ {[%mdl 64] Double Attack} 32. Kh1 {White wants to mate with Rg5+.} Qxh4+ 33. Kg1 Qg3+ {[%mdl 64] Double Attack} 34. Kh1 {Intending Rg5+ and mate.} Qh3+ $40 {[%mdl 128] Black goes for the king.} (34... Rxd6 $2 35. Rg5+ Kh8 36. Ra1 $19) 35. Kg1 {Rg5+ would kill now.} h6 36. Rh5 {[#]} Qe3+ {[%mdl 64] Double Attack} ({Stronger than} 36... Qg3+ 37. Kh1 $11) 37. Kh1 {[#]} Rxd6 $1 {[%mdl 512]} 38. Ra1 (38. Re1 g3) 38... Qxe2 {Weighted Error Value: White=0.84/Black=0.06} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.2"]
[White "Ning, Kaiyu"]
[Black "Hu, Yu A."]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2327"]
[BlackElo "2094"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,62,53,105,104,98,65,66,64,128,118,120,119,126,113,104,97,138,137,162,157,152,106,123,36,73,0,354,356,353,353,335,360,345,261,251,262,340,335,335,335,330,320,320,301,674,643,29993,29994]} 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e4 d6 5. h3 O-O 6. Nf3 Nbd7 7. Be3 e5 8. d5 Nh5 9. Nd2 Qe8 {E90: King's Indian: Classical: Early deviations and 6 h3.} (9... c6 $14) 10. Nb5 $16 Qd8 11. g3 a6 {White is slightly better.} 12. Nc3 {[#]} f5 $146 (12... Nhf6 $14) ({Predecessor:} 12... Bh8 13. Rg1 f6 14. Be2 Ng7 15. g4 Rf7 16. Qc2 b6 17. O-O-O Nf8 18. h4 Qe7 19. h5 g5 20. b4 Ne8 {1-0 (35) Horvath,J (2528)-Carnicelli,V (2256) Forni di Sopra 2016}) 13. exf5 gxf5 14. Qxh5 {aiming for Bg5.} f4 {[#]} 15. O-O-O $1 fxe3 16. fxe3 Nf6 17. Qh4 Bf5 18. g4 Bg6 19. Qg3 c6 20. g5 ({White should try} 20. h4 $16) 20... Nh5 $1 $14 {[%cal Rh5g3]} 21. Qh4 (21. Qg4 $16) 21... Rc8 $2 {[%mdl 8192]} (21... Qb6 $11 {and Black stays safe.} 22. Be2 Qxe3 23. Bxh5 Rf4) 22. Be2 $18 Qe8 23. Nde4 ({Weaker is} 23. Bg4 cxd5 24. Nxd5 (24. Bxc8 d4 $16) 24... Rc5 $16) 23... Bxe4 24. Nxe4 Nf4 25. exf4 Rxf4 {[#]} 26. Bg4 $1 cxd5 (26... Rxe4 27. Be6+) 27. Nf6+ ({Not} 27. Rxd5 Rxc4+ 28. Nc3 e4 $16) ({Less strong is} 27. Nxd6 Qg6 $14) 27... Bxf6 28. gxf6 {Strongly threatening Qg5+.} Rcxc4+ 29. Kb1 Qg6+ 30. Ka1 Rc2 $2 (30... Qxf6 31. Qg3 Kh8 32. Rxd5 Rf1+ 33. Rd1 Rxh1 34. Rxh1 Qf4) 31. Rhg1 {Intending Be6+ and mate.} Rfc4 32. Be6+ {[%mdl 64] Double Attack, Discovered Attack.  Weighted Error Value: White=0.20/Black=0.84} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.3"]
[White "Gu, Xiaobing"]
[Black "Yan, Tianqi"]
[Result "0-1"]
[WhiteElo "2263"]
[BlackElo "2207"]
[PlyCount "0"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[TimeControl "5400+30"]

 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.4"]
[White "Tan, Zhongyi"]
[Black "Yuan, Ye"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2510"]
[BlackElo "2081"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,105,0,0,0,-23,-6,-18,-17,-35,-25,-32,-28,-56,-49,-81,-57,-111,-68,-60,-47,-49,-52,-51,-41,-68,-35,-41,-32,-18,-21,-39,-35,-40,0,0,0,-11,0,0,0,0,0,-42,100,111,122,120,125,121,155,155,155,155,155,155,155,155,155,155,160,162,164,144,145,145,247,149,149,149,150,142,150,150,150,150,148,150,157,157,157,125,265,238,320,286,311,304,303,303,320,288]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Qb6 6. a3 c4 7. g3 Na5 8. Nbd2 Bd7 9. h4 h6 {C02: French: Advance Variation.} 10. Bh3 Ne7 11. O-O O-O-O {The position is equal.} 12. h5 Kb8 13. Nh4 Nc8 14. f4 Be7 15. Ng2 g6 16. Ne3 {[#]} (16. hxg6 $15 fxg6 17. Rb1) 16... Rhg8 $146 ({Predecessor:} 16... Qc7 17. Kh1 Nb6 18. Qf3 Rdf8 19. Rb1 Ka8 20. Qf2 Rhg8 21. Ng4 gxh5 22. Nf6 Bxf6 23. exf6 {1-0 (51) Bodnaruk,A (2414)-Sviridova,V (2144) Chess.com INT 2020}) 17. Kh2 Rg7 18. Rg1 Qc7 19. Rb1 Nb6 20. Qe2 Rdg8 21. Ng4 gxh5 22. Nf6 Bxf6 23. exf6 Rg6 24. Nf3 Rxf6 25. f5 {[#] Threatens to win with Bf4.} Ka8 ({Avoid the trap} 25... exf5 $2 26. Bf4 $18) 26. Bf4 Qd8 27. Be5 Rxf5 28. Bxf5 exf5 29. Qd2 f4 (29... Nc6 $15 {stays ahead.}) 30. Qxf4 $16 Qe8 31. Rbe1 {[%mdl 1024] White has strong compensation.} Qe6 {[%csl Gd7][%cal Re6h3]} 32. Rg2 Nc6 {[#]} 33. Bc7 $1 Qh3+ 34. Kg1 Bf5 35. Rh2 Qg4 36. Qxg4 Bxg4 37. Ne5 Nxe5 38. Rxe5 f6 39. Re3 Nd7 40. Re7 b6 (40... Rc8 $16) 41. Kf2 Kb7 42. Bf4 Kc6 43. Rh1 Kb5 44. Rh4 {aiming for Rxg4!} Kc6 45. a4 a5 46. Rh1 b5 47. axb5+ Kxb5 48. Ra1 Nb6 {This costs Black the game.} (48... Rh8 $16 {was called for.} 49. Ke1 Bf5) 49. Bc7 ({Don't take} 49. Bxh6 $6 Nd7 $18) 49... Bh3 50. Rh1 {White has a decisive advantage.} Bg4 51. Bxb6 Kxb6 52. Rf7 f5 53. Re1 {Weighted Error Value: White=0.12/Black=0.23} 1-0

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.5"]
[White "Xiao, Yiyi"]
[Black "Zhai, Mo"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2301"]
[BlackElo "2366"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,11,2,-29,-17,-19,-29,-43,-43,-42,-27,-41,-42,-41,-47,-56,-73,-116,-51,-51,-51,-51,-51,-51,-51,-51,-47,-43,-24,-62,-59,-62,-70,-100,-102,-148,-144,-201,-154,-201,-211,-550,-556,-543,-530]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 O-O 5. g3 d5 6. Qc2 {E01: Catalan: Early deviations.} c5 7. dxc5 e5 8. cxd5 {Black has an edge.} Qxd5 9. a3 Bxc5 {...e4 is the strong threat.} 10. e4 Qc6 {aiming for ...Bxf2+!} 11. Bd3 Bh3 {White must now prevent ...Ng4.} 12. Nxe5 Qc7 13. Nb3 {[#]} Qxe5 (13... Bxf2+ $1 $17 {[%mdl 512]} 14. Qxf2 Qxe5) 14. Qxc5 $15 ({Avoid the trap} 14. Nxc5 $2 Rc8 $19) 14... Nbd7 15. Qxe5 Nxe5 16. Be2 $1 Bg2 $36 {[%mdl 2048] Black has the initiative.} 17. Rg1 Bxe4 {[#]} 18. Be3 $146 ({Predecessor:} 18. Nd2 Bc6 19. f3 Rad8 20. Kf2 Nd3+ 21. Bxd3 Rxd3 22. Re1 Rfd8 23. Re2 h6 24. b4 {0-1 (76) Hamitevici,V (2401)-Babula,V (2554) Rijeka 2010}) 18... Rfd8 19. Nd2 Nd3+ 20. Bxd3 Bxd3 21. f3 Rac8 {And now ...Nd5 would win.} 22. Kf2 Rc2 23. Rge1 (23. Rgd1 $17) 23... Rxb2 24. Kg1 Nd5 25. Rad1 $2 (25. Nf1 {is a better chance.}) 25... Nxe3 $19 26. Rxe3 Bb5 {Weighted Error Value: White=0.29/Black=0.06} 0-1

[Event "Chinese-ch Women 2020"]
[Site "Xinghua"]
[Date "2020.12.30"]
[Round "11.6"]
[White "Song, Yuxin"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "C43"]
[WhiteElo "2290"]
[BlackElo "2389"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2020.12.19"]
[EventType "tourn"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,60,6,9,6,12,12,9,6,9,9,9,9,9,9,9,9,9,12,9,9,9,9,8,9,9,13,-8,-8,-8,-2,-2,-2,-2,-2,-2,-2,-2,-2,-8,-8,-8,-8,-9,-8,-9,-9,-14,0,-9,0]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 5. Bxe4 d5 6. Nxe5 Nxe5 7. dxe5 {The position is equal.} dxe4 {C43: Petroff Defence: 3 d4.} 8. Qxd8+ Kxd8 9. Nc3 Bb4 10. Bg5+ Ke8 11. O-O-O {[%csl Gg5][%cal Rd1d8] [#]} Bg4 12. Rd4 Bxc3 13. bxc3 h6 14. Rxe4 Bh3 15. gxh3 {[#] Be3 is the strong threat.} hxg5 $11 {[%mdl 4096] Endgame KRR-KRR} 16. Rg1 Rxh3 17. Rxg5 Kf8 18. Reg4 Re8 19. f4 g6 {[#]} 20. f5 $146 ({Predecessor:} 20. Rg2 Rxc3 21. f5 Rxe5 22. fxg6 Rxg5 23. Rxg5 fxg6 24. Rxg6 Rh3 {½-½ (24) Fluechter,G (2157)-Zaehringer,D (2142) Osnabrueck 2018}) 20... Rxe5 21. fxg6 Rxg5 22. Rxg5 fxg6 ({Don't play} 22... Rxh2 $6 23. Rf5 $16) 23. Rxg6 Rxh2 {KR-KR} 24. Kb2 Ke7 25. Rg7+ Kd6 26. Rg6+ Kc5 27. Kb3 Rf2 28. Rh6 Rg2 29. Rf6 Rh2 30. Rg6 Rf2 {An uneventful encounter.  Weighted Error Value: White=0.02/Black=0.01} 1/2-1/2

