[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Yu, Yangyi"]
[Black "Xu, Xiangyu"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2749"]
[BlackElo "2536"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,27,8,14,25,10,0,28,17,460,452]} 1. Nf3 Nf6 2. b3 b6 3. g3 Bb7 4. Bb2 e6 5. Bg2 c5 6. c4 Be7 7. O-O O-O 8. d4 d5 9. cxd5 Nxd5 10. dxc5 Bxc5 11. a3 {A14: English Opening: 1...e6 with b3 by White} a5 12. Nbd2 Na6 $146 ({Predecessor:} 12... Qe7 13. Ne5 Rd8 14. Nd3 Nc6 15. Nxc5 bxc5 16. e3 Ba6 17. Re1 a4 18. bxa4 Bd3 {½-½ (47) Giri,A (2771)-Kramnik,V (2808) Stavanger 2017}) 13. Qb1 Nf6 $2 {[%mdl 8192] [#]} (13... Qe7 $11 {and Black is okay.}) 14. Ng5 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Zhao, Jun"]
[Black "Li, Shilong"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2624"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,37,20,13,20,12,12,13,75,61,66,0,40,14,283,270,297,298,310,301]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Nbd7 7. Qd2 c6 8. f3 a6 9. Nh3 b5 10. Nf2 bxc4 11. Bxc4 d5 {E73: King's Indian: Averbakh Variation without 6...c5} 12. Be2 dxe4 13. fxe4 Bb7 $146 (13... e5 $11) ({Predecessor:} 13... e5 14. d5 cxd5 15. exd5 Nb6 16. d6 Bb7 17. O-O h6 18. Bxh6 Bxh6 19. Qxh6 Qxd6 {1-0 (30) Bareev,E (2590)-Kupreichik,V (2490) Podolsk 1990}) 14. O-O (14. e5 $5 {[%cal Re5f6]} Ne8 15. O-O $16) 14... c5 {[#] Strongly threatening ...cxd4.} 15. e5 ({White should play} 15. d5 $1 $14) 15... cxd4 16. Qxd4 {And now Rad1 would win.} Qa5 $2 {[%mdl 8192]} (16... Nh5 $11 {and Black has nothing to worry.}) 17. exf6 $18 {White has a decisive advantage.} ({Don't play} 17. Bxf6 $6 Nxf6 18. exf6 Bxf6 $18) 17... Qxg5 {[%csl Gb7][%cal Rg5g2] [#]} 18. Nfe4 $1 {[%cal Re4g5]} Bxf6 19. Rxf6 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Xiu, Deshun"]
[Black "Liu, Guanchu"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2554"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,106,0,0,0,0,0,-20,-26,-13,-9,0,-69,-15,-12,-9,-8,-12,-8,-29,-19,-12,-12,-4,-21,-18,-21,-18,-221,-214,-377,-356,-347,-235,-318,-338,-297,-353,-335,-322,-335,-302,-399,-241,-229,-259,-254,-238,-382,-368,-526,-520,-515,-457,-710,-530,-539,-487,-488,-523,-517,-514,-472,-480,-582,-558,-681,-644,-626,-584,-716,-696,-1712,-1554,-1474,-1282,-1121,-1092,-1782,-539,-12827,-12058,-12839,-12839,-12844,-12844,-12845,-12835,-12835,-12836]} 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Ba6 5. Qc2 c5 6. d5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} exd5 7. cxd5 Bb7 (7... d6 8. Nc3 b5 9. e4 Qa5 10. b4 cxb4 11. Nxb5 Kd8 12. Nfd4 Bxb5 13. Bxb5 b3+ {1-0 (28) Grischuk,A (2752)-Mamedyarov,S (2762) Germany 2016}) 8. Bg2 Nxd5 9. O-O Be7 10. Rd1 Nc6 {LiveBook: 161 Games} 11. Qf5 ({Not} 11. Rxd5 $2 Nb4 $19) 11... Nf6 12. e4 g6 13. Qf4 O-O 14. Nc3 $146 d6 15. e5 (15. b3 $11) 15... Nxe5 (15... dxe5 $1 $15 16. Nxe5 Qc8) 16. Nxe5 $11 Bxg2 17. Kxg2 dxe5 18. Qxe5 Qe8 $1 19. Qc7 {White wants to play Bh6.} Rc8 20. Qxa7 Qc6+ 21. f3 Rfe8 $36 {[%mdl 2048] White is under pressure.} 22. Qa6 c4 {Hoping for ...Bb4.} 23. Be3 $2 {[#]} (23. a4 $1 $11 {and White is okay.}) 23... Bb4 $1 $19 24. Bf2 $2 (24. Qxb6 Bxc3 25. bxc3) 24... Bxc3 $1 25. bxc3 Nd5 26. Rd4 Ne3+ 27. Bxe3 Rxe3 28. Rf1 Rxc3 29. Rf2 Re8 30. Rf4 Ra8 31. Rf6 Qxf6 ({Don't take} 31... Rxa6 32. Rxc6 Rc1 33. f4 $17) 32. Qxa8+ {[%mdl 4096] Endgame KQR-KQR} Kg7 33. Re2 (33. Qd5 $142) 33... Rd3 34. h4 (34. Qe4 $142) 34... h5 {Black is clearly winning.} 35. Qe4 b5 36. Rc2 (36. f4 $142 Rd4 37. Qe5) 36... Qd4 37. Qxd4+ Rxd4 {KR-KR} 38. Rb2 Rd5 39. Kf2 Kf6 40. Re2 Re5 41. Rd2 Ke6 42. Rd8 Rd5 43. Rb8 Kd6 44. Rf8 c3 {[%cal Bc4c3,Bc3c2][%mdl 32]} 45. Ke3 Rc5 {[#] ( -> ...Ke7)} 46. Rd8+ Ke5 {...c2 is the strong threat.} 47. Rd1 c2 48. Rc1 Rc3+ 49. Ke2 Kd4 50. g4 f5 51. gxh5 gxh5 52. f4 Ke4 53. Kd2 Rc5 {Precision: White = 38%, Black = 88%.} 0-1

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Xu, Yinglun"]
[Black "Bu, Xiangzhi"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2536"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,16,41,19,40,30,25,-3,31,-12,-15,-12,0,-16,0,-2,20,-15,5,6,16,15,7,7,8,7,11,2,12,11,13,8,22,30,23,21,26,24,71,75,107,110,102,72,82,60]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 8. g3 (8. Qb3 Qc7 9. Bd2 a6 10. Rc1 dxc4 11. Bxc4 Nbd7 12. a4 Be7 13. g3 Bh5 14. O-O O-O 15. Ng2 Rad8 16. Nf4 Kh8 {½-½ (34) So,W (2822)-Caruana,F (2817) chess.com INT 2017}) 8... Nbd7 9. Be2 Be7 {LiveBook: 3 Games. The position is equal.} 10. O-O O-O 11. Nxg6 hxg6 12. Qb3 Qb6 $146 ({Predecessor:} 12... Qc7 13. cxd5 Nxd5 14. e4 Nxc3 15. bxc3 {1-0 (38) Lammers,M (2343)-Overbeck,T (2319) Germany 2015}) 13. Bd2 dxc4 14. Bxc4 e5 15. d5 Bc5 16. Rfe1 e4 (16... Rad8 {keeps more tension.} 17. Rad1 Qc7 18. dxc6 Qxc6 19. Bd5 Nxd5 20. Qxd5 Qxd5 21. Nxd5 Nf6) 17. f4 (17. Nxe4 {looks sharper.} Nxe4 18. fxe4 Nf6 19. dxc6 bxc6 20. e5) 17... Qxb3 18. Bxb3 cxd5 19. Nxd5 Nxd5 20. Bxd5 Nf6 21. Bb3 Rfd8 22. Rad1 Rd3 23. Bc2 Rd7 24. Bc1 {White wants to play Rxd7.} Rc7 25. Bb1 Bb6 26. h3 Re8 27. Kf2 Nd7 28. Bd2 {White is better.} Bc5 29. Rc1 Nb6 30. Ba5 f5 31. b4 {Precision: White = 59%, Black = 33%.} 1/2-1/2

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Li, Di"]
[Black "Li, Chao b"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2474"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,85,12,18,20,16,1,10,2,4,-1,-8,-6,-3,0,-7,-5,16,10,49,37,34,39,34,26,47,35,38,41,38,43,35,43,28,37,39,0,0,0,0,0,0,0,0,0,0,0,115,116,120,111,107,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 f5 5. Nf3 Nf6 6. g3 Be7 7. Bg2 {A40: Unusual replies to 1 d4} Ne4 8. Qc2 (8. Bd2 O-O 9. O-O Bf6 10. Rc1 Nc6 11. Be1 Ne7 12. Nxe4 fxe4 13. Ne5 Nf5 14. e3 c5 15. Bc3 cxd4 16. exd4 Rc8 17. Qe2 d5 18. cxd5 exd5 {0-1 (31) Portisch,L (2464)-Rapport,R (2698) Budapest 2014}) 8... Nxc3 9. Qxc3 Bf6 10. Qe3 $146 ({Predecessor:} 10. O-O O-O 11. b4 d6 12. Bb2 Qe8 13. Rfd1 Nd7 14. Qb3 Be4 {½-½ (28) Martinez Alcantara,J (2465)-Terry Lujan,R (2447) Lima 2016}) 10... Qe7 11. O-O O-O 12. Rd1 a5 13. b3 a4 14. b4 c5 15. Ra2 {[%cal Rd4c5]} cxb4 16. axb4 Qxb4 17. Nd2 $1 Bxg2 18. Ba3 $1 {[%cal Ra3b4]} Qa5 $1 {[#] White must now prevent ...Bb7.} ({Don't blunder} 18... f4 $2 19. Qxf4 (19. Bxb4 $2 {perishes.} fxe3 20. fxe3 Bc6 $19) 19... Qc3 20. Bxf8 $18 (20. Kxg2 Be7 $14)) 19. Bxf8 Kxf8 20. Kxg2 Nc6 $1 21. Nf3 Nb4 22. Rad2 a3 $1 23. Ne5 Qa4 24. Qf3 (24. Qc3 $5 {[%cal Re5d7]} Ra7 25. Ra1 $11) 24... Ra7 25. Qh5 $36 {[%csl Ge5][%cal Rh5f7][%mdl 2048] White is pushing.} Bxe5 26. dxe5 h6 27. g4 a2 28. gxf5 {Rd6 is the strong threat.} a1=Q (28... Qc6+ $11 {remains equal.} 29. f3 Qxc4 30. Rxd7 Rxd7 31. Rxd7 Qxe2+ 32. Kh3 g6 33. fxg6 Qf1+ 34. Kh4 Qe1+ 35. Kh3 Qf1+ 36. Kg3 Qg1+ 37. Kh3 Qf1+) 29. Rxa1 $16 Qc6+ {[#]} (29... Qxa1 $2 {is the wrong capture.} 30. fxe6 d6 31. exd6 $18) 30. f3 $1 Rxa1 31. Rd6 (31. f6 $16 Nc2 32. Rxc2) 31... Qxc4 $11 {The position is equal.} 32. Rxd7 {[%csl Gd7][%cal Rh5f7]} Qxe2+ 33. Kh3 {[%csl Gd7][%cal Rh5f7]} Qf1+ 34. Kg3 {[%csl Gd7][%cal Rh5f7]} Qg1+ 35. Kh3 {[%csl Gd7][%cal Rh5f7]} Qf1+ 36. Kg3 {[%csl Gd7][%cal Rh5f7]} Qe1+ 37. Kh3 {[%csl Gd7][%cal Rh5f7]} Qf1+ 38. Kg3 {[%csl Gd7][%cal Rh5f7]} Qg1+ 39. Kh3 {[%csl Gd7][%cal Rh5f7]} Kg8 40. f6 Qf1+ 41. Kg3 Qe1+ 42. Kh3 Qf1+ 43. Kg3 {Precision: White = 76%, Black = 75%.} 1/2-1/2

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Liang, Jinrong"]
[Black "Liu, Qingnan"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2455"]
[BlackElo "2503"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,131,41,45,46,42,41,57,-10,-7,0,-15,-10,-10,-120,-131,-128,-132,-141,-77,-80,0,0,0,0,0,0,0,0,0,0,14,0,0,0,218,216,211,211,294,232,218,225,426,395,418,279,406,403,397,388,488,393,366,378,395,294,268,268,463,315,307,316,306,304,330,345,324,308,392,381,588,590,567,579,643,647,704,683,692,685,726,712,780,766,928,941,1005,987,1000,955,1494,1516,1544,1412,2647,2697,2702,2393,2420,2120,2573,2459,2490,2358,1988,1869,29983,29984,29986,29982,29988,29989,29990,29990,29990,29990,29993,29992,29992,29993,29993,29988,29995,29996]} 1. e4 d6 2. c4 c5 3. Ne2 Nf6 4. Nbc3 Qa5 (4... b6 5. d4 cxd4 6. Nxd4 Bb7 7. f3 e6 8. Be3 Be7 9. Qd2 O-O 10. Be2 Nbd7 11. O-O Qc7 12. Ndb5 Qb8 13. a4 Nc5 14. Rad1 Rd8 15. b4 a6 16. Nd4 Qc7 {0-1 (38) Rodriguez Vila,A (2505)-Mareco,S (2597) Cuiaba 2011}) 5. g3 h5 $146 {[%cal Bh7h5,Bh5h4,Bh4h3,Bh3h2][%mdl 32]} ({Predecessor:} 5... Nc6 6. Bg2 g6 7. d4 Bg7 8. O-O O-O 9. h3 Rb8 10. Be3 cxd4 11. Nxd4 a6 12. a4 {½-½ (28) Soprunov,I-Kazakov,M (2261) Evpatoria 2007}) 6. h3 {A34: Symmetrical English: 2 Nc3, lines with ...d5} Nc6 7. Bg2 Nd4 8. O-O (8. d3 $14) 8... h4 $11 9. g4 {[#]} Nxg4 $1 {[%mdl 512]} 10. hxg4 h3 11. Bh1 (11. f3 $1 $11) 11... h2+ $17 (11... Bxg4 12. f3 $14) 12. Kg2 Bxg4 13. Kg3 {[#]} Qd8 ({Black should try} 13... Bd7 $1 14. f3 Qd8) 14. f3 ({Don't take} 14. Kxg4 $6 Qc8+ 15. Kf4 Qh3 $11) 14... e6 (14... Bd7 $17 15. Kf2 e6) 15. fxg4 $11 Qh4+ 16. Kg2 Qxg4+ 17. Kf2 {Threatens to win with Nxd4.} Qh4+ 18. Ke3 Qh3+ 19. Kf2 {Strongly threatening Nxd4.} Qh4+ 20. Ke3 Qg5+ 21. Kf2 $1 {[%cal Be3f2,Bf2e1,Be1d2][%mdl 32] And now Nxd4 would win.} Qf6+ $2 (21... Qh4+ $11 {and Black has nothing to worry.} 22. Ke3) 22. Ke1 $18 Qh4+ 23. Rf2 {Hoping for d3.} Nc6 24. d3 g5 25. Be3 Ne5 $2 (25... Bh6 26. Qd2 Ne5) 26. Kd2 g4 27. Qf1 Nf3+ (27... Bh6 $142 28. Bxh6 Rxh6) 28. Rxf3 gxf3 29. Qxf3 O-O-O 30. Rf1 Rd7 31. Rf2 Bg7 32. Ng3 Be5 33. Bf4 Rg8 $2 (33... Qxf4+ {was necessary.} 34. Qxf4 Bxf4+ 35. Rxf4 Rh7) 34. Nce2 Bxb2 35. Nf1 Qd8 36. Kc2 ({Weaker is} 36. Bxh2 Qa5+ 37. Kd1 Qxa2 $16) 36... Bg7 37. Bd2 ({Much less strong is} 37. Rxh2 Qf6 $18) 37... Be5 38. Nxh2 b5 39. Ng4 Rb7 (39... Qb6 {was worth a try.} 40. Nxe5 dxe5 41. cxb5 Qxb5) 40. Nxe5 dxe5 41. cxb5 Qb6 42. Nc3 a6 43. a4 axb5 44. axb5 Qa5 45. Rg2 Rd8 46. Rg7 Qa7 47. Bg5 Rh8 48. Bg2 Rd7 49. Qg3 c4 50. dxc4 Qc5 51. Bf1 Rh1 52. Be3 Qe7 53. Rg8+ Rd8 54. Rxd8+ Qxd8 55. Bg2 Rh5 56. Bf3 Rh7 57. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} f6 58. c6 {White mates.} Kc7 59. Bg1 Qa8 60. Qf2 Kc8 61. Qc5 Qa5 62. Qf8+ Kc7 63. b6+ Kxc6 64. Qc8+ Kd6 65. b7 Rc7 66. Qd8+ {Precision: White = 65%, Black = 32%.} 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Guo, Qi"]
[Black "Ni, Shiqun"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2417"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,69,15,9,19,14,14,14,12,12,12,15,14,16,20,12,18,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,-3]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 Nbd7 10. Be2 b6 11. b3 Bb7 12. Bb2 O-O 13. Nc4 {The position is equal.} Bd5 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 14. Nce5 (14. Nfe5 b5 15. Nxd7 Nxd7 16. e4 Bxe4 17. Rxd7 bxc4 18. Rc1 Rfc8 19. Bxc4 a5 20. a4 Bc6 21. Rd3 {½-½ (30) Li,C (2720)-Wang,Y (2706) China 2017}) 14... Nxe5 15. Nxe5 Rfc8 16. Nd3 Be7 17. Rac1 b5 18. f3 Bb7 19. e4 $146 Nd7 20. Rxc8+ Rxc8 21. Rc1 Rxc1+ 22. Bxc1 f6 23. Be3 Kf7 24. Kf2 Bc6 25. Bf1 Bd6 26. h4 f5 27. exf5 exf5 28. Bf4 Be7 29. g3 Bd5 30. Ke3 a5 31. Ne5+ Nxe5 32. Bxe5 a4 33. Bxb5 axb3 34. axb3 Bxb3 35. Kd4 {Precision: White = 67%, Black = 76%.} 1/2-1/2

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Zhao, Yuanhe"]
[Black "Chen, Qi b"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2401"]
[BlackElo "2340"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,62,16,19,0,0,-25,-23,-27,-23,-49,-10,-49,-31,-21,-12,-9,-14,-31,-28,-30,-35,-32,-27,-24,-9,-19,-14,-122,-131,-148,-113,-168,-161,-163,-166,-148,-145,-137,-131,-137,-131,-170,-162,-184,-185,-194,-161,-194,-191]} 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. O-O c5 6. Na3 Be7 {A13: English Opening: 1...e6} 7. Nxc4 Nc6 8. d3 (8. b3 O-O 9. Bb2 Bd7 10. d4 Rc8 11. dxc5 Bxc5 12. Nd6 Rc7 13. Rc1 b6 14. Ng5 Qe7 15. Nge4 Nxe4 16. Nxe4 Rd8 17. Nxc5 bxc5 {1-0 (46) Grischuk,A (2795)-Inarkiev,E (2688) Moscow 2014}) 8... O-O {LiveBook: 6 Games. The position is equal.} 9. Bd2 Nd5 10. a4 b6 11. Qb3 Ba6 12. Rfc1 $146 ({Predecessor:} 12. Rfd1 Nd4 13. Nxd4 cxd4 14. Rdc1 Rc8 15. Rc2 {0-1 (41) Gonzalez Rodriguez,J (2375)-Baquero,L (2290) Columbia 1988}) 12... Rc8 13. Bc3 Nxc3 (13... Qc7 {with more complications.} 14. Nfd2 Rcd8 15. Qd1 h5 16. h4 g6) 14. bxc3 Bxc4 15. Qxc4 Na5 16. Qb5 c4 $36 {[%mdl 2048] Black has good play.} 17. d4 Nb3 18. Ne5 Nxc1 19. Rxc1 Bd6 {Hoping for ...a6!} 20. Nc6 Qd7 {White should prevent ...Rc7.} 21. Rd1 {[#]} (21. a5 $11) 21... Rc7 $1 $17 22. d5 Bc5 23. e4 {[#]} (23. Ne5 $17 Qxb5 24. axb5 exd5 25. e3) 23... a6 $1 {Black is clearly better.} 24. Qb1 (24. Qxa6 Rxc6) 24... exd5 25. exd5 Re8 26. Bf3 Qd6 27. Kg2 Qf6 28. Qc2 g6 29. Rc1 h5 30. h4 b5 31. axb5 axb5 {Precision: White = 50%, Black = 81%.} 1/2-1/2

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Wang, Jue"]
[Black "Yang, Yijing"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2367"]
[BlackElo "2014"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,73,0,27,18,33,26,33,26,29,38,31,41,49,38,84,95,230,240,216,200,204,206,241,14,239,223,206,145,101,66,57,87,140,117,127,100,96,105,156,164,107,83,84,35,78,-42,73,0,383,387,380,389,395,394,380,383,415,419]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 9. Bd3 Qb6 {[%cal Rc5d4] LiveBook: 17 Games. C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (9... b4 10. Na4 c4 11. Be2 c3 12. Qd1 cxb2 13. Nxb2 Be7 14. O-O O-O 15. Bd3 f5 16. g4 a5 17. gxf5 exf5 {1-0 (36) Wei,Y (2675)-Potkin,V (2608) Wijk aan Zee 2015}) 10. Qf2 Bb7 11. a3 Be7 {White has an edge.} 12. O-O g6 $146 ({Predecessor:} 12... O-O 13. f5 cxd4 14. f6 Nxf6 15. exf6 dxe3 16. Qh4 h6 17. fxe7 Rfe8 18. Qg3 Rxe7 19. Ne2 Qc7 20. Nf4 Rd7 21. c3 d4 22. Rac1 Qd6 23. Rcd1 Rad8 24. cxd4 {1-0 (24) Latour,G (2131)-Jovanovic,B (2138) LSS email 2010}) 13. Nd1 c4 14. Be2 a5 15. c3 {[%cal Bc2c3,Bc3c4][%mdl 32]} O-O-O 16. a4 Ba6 (16... bxa4 $16 17. Rxa4 Rhg8) 17. b3 $1 $18 cxb3 18. axb5 $1 Bxb5 {And now ...Qa6 would win.} 19. c4 $1 {[%cal Rc4b5]} Ba6 20. Nc3 $2 (20. Nd2 $18) 20... Ndb8 $2 ({Of course not} 20... b2 $6 21. Ra2 $16) (20... Bxc4 $11 {and Black has nothing to worry.} 21. Bxc4 dxc4) 21. Na4 Qb7 22. cxd5 Rxd5 23. Rfb1 Bxe2 24. Qxe2 Na6 (24... Rhd8 $142) 25. Nc3 Rd7 26. Nb5 Nab4 27. Rxb3 Kb8 ({Better is} 27... Qa6) 28. Nd6 $16 Bxd6 29. exd6 Rxd6 30. Ne5 Rd5 31. Qb2 ({White should play} 31. f5 $16) 31... Rhd8 {[#]} (31... Nxe5 $15 {keeps the upper hand.} 32. dxe5 Rc8) 32. Nc4 (32. Nxc6+ $1 $16 Qxc6 33. Bd2 Rxd4 34. Bxb4 Rxb4 35. Rxb4+ axb4 36. Qxb4+ Qb7 37. Qa3) 32... Rb5 $2 {[%mdl 8192] [#]} (32... Qa6 $1 $11 {and Black is okay.} 33. Ne5 Qb7) 33. Nxa5 $1 $18 {[%mdl 512] White is winning.} Nxa5 {[#]} (33... Rxa5 34. Rxa5) 34. Rxa5 $1 {[%mdl 512]} Rdd5 (34... Rxa5 35. Rxb4) 35. Rxb5 Rxb5 {[#]} 36. d5 $1 {[%mdl 512]} Nd3 (36... Nxd5 37. Rxb5) 37. Qh8+ {Precision: White = 67%, Black = 23%.} ({Inferior is} 37. Rxb5 Nxb2 38. Rxb7+ Kxb7 $11) 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Zhang, Xiaowen"]
[Black "Yuan, Ye"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "2355"]
[BlackElo "2292"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,121,39,31,37,37,42,38,44,47,45,37,58,57,59,54,94,87,70,66,78,77,66,71,97,78,107,87,111,103,103,75,95,72,123,116,135,127,108,95,135,135,146,141,149,65,175,174,161,152,179,191,214,136,135,134,134,120,120,120,168,144,439,438,1088,1071,1058,1054,931,681,732,722,814,761,930,910,863,832,724,598,608,587,592,563,720,663,596,543,812,762,1387,1283,12843,12844,12844,12845]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 {[%cal Bc1e3,Be3d4,Bd4e5][%mdl 32]} Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. Bd4 c5 14. Be5 Rb6 15. Qd3 d6 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2} 16. Bc3 O-O 17. b3 (17. Rad1 Qc6 18. e5 Nd5 19. Bf3 c4 20. Qd2 dxe5 21. Bxe5 Rd8 22. b3 Rb5 23. bxc4 Qxc4 {1-0 (88) Ponomariov,R (2709)-Neiksans,A (2631) Tallinn 2016}) 17... d5 {White is slightly better.} 18. exd5 Nxd5 19. Be5 Rd8 20. Qg3 {[%csl Ge5][%cal Rg3g7]} f6 21. Bb2 Bd6 22. Qf3 Qc7 23. g3 Be5 $146 {[#]} 24. Bxe5 $1 Qxe5 25. Bc4 Qc7 26. Rfe1 Qd7 27. Qe2 a5 28. Qd2 Qa7 29. f4 {Hoping for f5!} g6 30. Re4 {aiming for Rae1.} Kf7 (30... Rbd6 $142) 31. Rae1 $16 Qa8 32. Qf2 Qc8 33. Qg2 Qd7 34. Qd2 a4 35. bxa4 Rd6 36. Qg2 (36. a5 $16) 36... h5 (36... f5 $14 37. Re5 Qxa4 38. Bxd5 Rxd5) 37. a5 $18 Nc7 38. Qf2 {Strongly threatening f5.} f5 39. Re5 Rd4 40. Bxe6+ ({Don't take} 40. Rxc5 $6 Qd6 $16) 40... Nxe6 41. Rxe6 Qxe6 42. Rxe6 Kxe6 {[%mdl 4096] Endgame [#] KQ-KRR} 43. Qe3+ $1 Kf7 44. a6 {[%cal Ba5a6,Ba6a7][%mdl 32]} R4d6 $2 {[%mdl 8192]} (44... R4d7 $16 {might work better.} 45. Qxc5 Kg7) 45. a7 {White is clearly winning.} Rc6 (45... Ra8 $142 46. Qb3+ Kf6 47. Qb2+ Ke6) 46. Qb3+ Kf6 47. Qb2+ Ke6 48. Qg7 Rcc8 49. Qxg6+ Kd5 50. Qxf5+ Kc4 51. Qxh5 Kc3 52. Qh7 c4 53. Qe4 Re8 54. Qd5 Red8 55. Qb5 Ra8 56. Qa6 Rdc8 57. Qa4 Kd2 58. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} c3 59. g5 Rc7 60. Qd4+ Kc1 61. Qe3+ {Precision: White = 84%, Black = 34%.} 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Wang, Doudou"]
[Black "Zhao, Xue"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2189"]
[BlackElo "2490"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,41,32,30,23,25,33,28,24,19,77,0,0,0,0,-6,-4,0,63,-29,-35,-41,-13,-75,-49,-47,-35,-83,-58,-60,-45,-62,-68,-103,-56,-37,0,-91,-84,-162,-145,-159,-154,-163,-154,-154,-182,-177,-173,-170,122,-559,-549,-596,-586,-1916,-1929,-1923,-1929]} 1. d4 Nf6 2. c4 e6 {[%cal Be7e6,Be6e5][%mdl 32]} 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 d6 6. Bg2 Nbd7 7. O-O e5 8. Nc3 O-O 9. a3 {E11: Bogo-Indian} (9. Qc2 Re8 10. e4 exd4 11. Nxd4 Ne5 12. Bg5 c6 13. Na4 h6 14. Bf4 Ng6 15. Be3 Ng4 16. Bc1 Qf6 17. Rd1 b5 18. cxb5 cxb5 {1-0 (40) Van Wely,L (2691)-Fressinet,L (2714) Aix les Bains 2012}) 9... Bxc3 $1 10. Bxc3 {[%cal Rd4e5]} e4 11. Nd2 $1 {White is slightly better.} Re8 12. e3 d5 (12... Nb6 $11) 13. cxd5 $146 (13. f3 $1 $16) ({Predecessor:} 13. f3 exf3 14. Qxf3 c6 15. g4 h6 16. h4 Qe7 {½-½ (61) Goldin,A (2595)-Rohde,M (2585) Philadelphia 1992}) 13... Nb6 $11 14. Qc2 {[%cal Rd2e4]} Bf5 15. b3 Qxd5 16. Bb2 Qe6 ({Better is} 16... Rec8 $11) 17. Rfc1 (17. Qxc7 $14 a4 18. bxa4 (18. Qxb7 $2 Re7 $19)) 17... Nbd5 18. Nc4 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 19. Qd2 (19. h4 $11 {remains equal.}) 19... a4 (19... h4 $5) 20. bxa4 h4 21. a5 Bh3 22. Ne5 Qf5 23. Qe2 Rxa5 {[%cal Ba8a5,Ba5b5,Bb5b3,Bb3a3][%mdl 32]} 24. Bh1 Ng4 25. Qc2 Ngf6 ({Don't play} 25... Nxe5 $6 26. dxe5 Qd7 27. Qxe4 $16 (27. Bxe4 hxg3 28. hxg3 c6 $16)) 26. Qd2 (26. Qe2 $1 $11 {keeps the balance.}) 26... hxg3 $17 27. fxg3 {[#]} (27. hxg3 $17 Ra6 28. Rc5) 27... Rb5 $1 $19 28. a4 Rb3 $36 {[%mdl 2048] Keeping White busy.} 29. Ra3 {[#]} Rxa3 $1 30. Bxa3 Ra8 31. a5 b6 32. axb6 Rxa3 $2 (32... cxb6 $19 33. Nc4 Ra4) 33. b7 $2 {[%mdl 8192]} (33. Qb2 $16 {is necessary to keep the advantage. Strongly threatening b7.} Ra8 34. b7) 33... Rb3 {Black is clearly winning.} 34. Qa2 Nc3 35. Qf2 Qxf2+ 36. Kxf2 Rb2+ {Precision: White = 35%, Black = 48%.} 0-1

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Huang, Renjie"]
[Black "Liu, Chang"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2156"]
[BlackElo "2345"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,97,34,28,0,0,0,48,0,48,47,39,0,0,0,0,0,0,0,16,-52,5,-106,-86,-104,-89,-108,18,-80,20,-75,67,60,95,83,95,96,106,0,0,0,0,-97,0,-168,-166,-188,-174,-194,-182,-181,-162,-173,-168,-211,-211,-225,-214,-212,-191,-191,-191,-191,-183,-184,-166,-157,-133,-393,-388,-372,-333,-368,-338,-311,-263,-373,-357,-2083,-4676,-2564,-2250,-12841,-12842,-12843,-12843,-29994]} 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 a6 5. a4 b6 6. g3 {B06: Modern Defence} Bb7 7. Bg2 Nf6 {LiveBook: 6 Games} 8. Qe2 $146 {White has an edge.} ({Predecessor:} 8. Nge2 Nbd7 9. O-O e5 10. dxe5 dxe5 11. Nd5 O-O 12. c4 Ng4 13. Bd2 c6 {½-½ (49) Mamedov,R (2659)-Yilmazyerli,M (2454) Kocaeli 2014}) 8... O-O 9. f4 {next e5 is good for White.} e5 10. O-O-O Qe8 11. fxe5 dxe5 12. d5 Nbd7 13. g4 c6 14. g5 {Threatens to win with dxc6.} Nh5 15. Nh3 Nf4 (15... b5 {keeps more tension.} 16. Kb1 Rb8 17. Bf3 b4 18. dxc6 Bxc6 19. Nd5 b3) 16. Qf2 (16. Nxf4 $11 exf4 17. e5 (17. Bxf4 Bxc3 18. bxc3 cxd5 $11)) 16... cxd5 (16... Nxg2 $15 17. Qxg2 cxd5 18. Nxd5 Nc5) 17. Nxd5 (17. Nxf4 $11 exf4 18. Bd4) 17... Bxd5 $17 18. exd5 Nxg2 19. Qxg2 e4 (19... Rc8 $17 20. c3 Rc4) 20. Nf2 (20. Rhe1 $11) 20... Qe5 (20... f6 $17 21. gxf6 (21. Qxe4 $2 Qxe4 22. Nxe4 Rfe8 $19) 21... Nxf6) 21. Rd4 (21. c3 $11 {keeps the balance.}) 21... Nc5 (21... f5 $17 {Strongly threatening ...f4.} 22. gxf6 Nxf6) 22. Ng4 $1 $14 {[%cal Rg4e5]} Qd6 23. Rf1 Rad8 24. Nf6+ Bxf6 25. gxf6 (25. Rxf6 $16 Qe5 26. Rxb6) 25... Qe5 $36 {[%mdl 2048] Black is more active.} 26. Qh3 {Qh6 is the strong threat.} h5 27. a5 (27. Rfd1 $11 {remains equal.}) 27... bxa5 ({Black should play} 27... Rxd5 $17 28. Rxd5 Qxd5 29. axb6 Rd8) 28. Qh4 $2 (28. Rfd1 $1 $11 {and White is okay.}) 28... Rxd5 $19 29. Rxd5 Qxd5 30. Bxc5 Qxc5 31. Qxe4 {[%mdl 4096] Endgame KQR-KQR} Rb8 {aiming for ...Qb5.} 32. Qf4 Qb4 33. Qxb4 axb4 {KR-KR} ({But not} 33... Rxb4 34. c3 $17) 34. c4 bxc3 $1 35. bxc3 Kh7 36. Kc2 g5 $1 {[%cal Bg6g5,Bg5g4][%mdl 32]} 37. c4 Kg6 38. Kc3 Rb6 39. c5 Rxf6 40. Rc1 $2 {[%mdl 8192]} (40. Rb1 $17) 40... Rc6 41. Kd4 g4 $1 42. Kd5 Rc8 43. c6 {[#]} f5 $1 {[%cal Bf7f5,Bf5f4,Bf4f3,Bf3f2][%mdl 32]} 44. Ke5 {[#]} (44. Rc2 $142 f4 45. c7) 44... Kg5 $1 45. c7 $2 (45. Kd6 f4 46. Kd7) 45... f4 {Black is clearly winning.} 46. Ke4 f3 47. h3 f2 48. Ke3 {[#]} Rxc7 $1 {[%mdl 512]} 49. Kd4 {Precision: White = 31%, Black = 55%.} (49. Rxc7 f1=Q) 0-1

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Zhang, Xiao"]
[Black "Zhou, Guijue"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1913"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,97,21,28,21,19,13,36,21,22,20,27,29,29,-6,-7,-11,8,-7,-8,-8,-14,-8,-10,-23,0,-7,-7,-17,-14,-52,-12,-18,-16,-23,-32,-27,0,0,0,0,77,43,56,57,43,40,25,0,8,5,232,218,231,216,436,348,345,255,452,452,452,452,452,452,452,452,452,452,452,452,452,452,452,452,497,479,988,472,1033,1044,1045,1028]} 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Be7 6. e3 c6 7. Bd3 Nbd7 8. Nge2 Nh5 9. Bxe7 Qxe7 10. a3 {D35: Queen's Gambit Declined: Exchange Variation} (10. Qd2 Nb6 11. f3 g6 12. O-O O-O 13. Rae1 Be6 14. e4 dxe4 15. fxe4 Rad8 16. b3 Bg4 17. Qe3 f6 {1-0 (39) Ding,L (2782)-Inarkiev,E (2660) Baku 2015}) 10... O-O 11. O-O Ndf6 $146 ({Predecessor:} 11... g6 12. b4 a6 13. Na4 Ng7 14. Nc5 Nb6 15. a4 Bf5 16. a5 Nc8 17. Nc3 Bxd3 18. Qxd3 Nd6 19. N3a4 Rad8 {½-½ (19) Pauly,C (2025)-Mundorf,J (1688) Kranenburg 2009}) 12. Qc2 {White is slightly better.} g6 13. b4 b6 14. Rfe1 Bd7 15. Ng3 Nxg3 16. hxg3 Qd6 17. Rad1 Rac8 18. e4 dxe4 19. Nxe4 Nxe4 20. Rxe4 Bf5 21. Re3 Bxd3 22. Rdxd3 Rfe8 23. Kh2 h5 24. Qe2 Rxe3 25. fxe3 $11 {[%mdl 4096] Endgame KQR-KQR} Re8 26. e4 Kg7 27. e5 Qd5 28. Qf3 Rd8 (28... a5 $11 {remains equal.}) 29. Qf6+ $16 Kh7 30. Rc3 Rc8 31. Rf3 Kg8 32. Rf4 Re8 33. g4 Qe6 $2 (33... hxg4 $11 {and Black is okay.} 34. Rxg4 Re6) 34. gxh5 $18 {[#] Black must now prevent Qg5.} Qxf6 35. Rxf6 {KR-KR} c5 $2 (35... gxh5 {was called for.} 36. Rxc6 Rd8) 36. hxg6 fxg6 37. Rxg6+ ({Resist} 37. dxc5 $6 bxc5 38. Rxg6+ (38. bxc5 Kg7 $18) 38... Kf7 $18) 37... Kf7 $2 {[#]} (37... Kh7 38. Rd6 cxd4 39. Rxd4 Kg6) 38. Rf6+ {White is clearly winning.} Kg7 39. bxc5 bxc5 40. dxc5 Rxe5 41. Ra6 Rxc5 42. Rxa7+ Kg6 43. a4 Rc3 44. g3 Kg5 45. Kh3 Ra3 46. Ra5+ Kf6 (46... Kh6 $142 47. Ra7 Kg5) 47. Kg4 (47. Kh4 $142 Ra1 48. Ra6+ Kf5 49. g4+ Kf4 50. Rf6+ Ke4 51. Kg5) 47... Ra1 (47... Rc3 $142 48. Ra8 Ke5) 48. Ra6+ Ke5 49. Kg5 {Precision: White = 52%, Black = 37%.} 1-0

[Event "National-chT China 2017"]
[Site "Beijing"]
[Date "2017.06.12"]
[Round "7"]
[White "Guo, Weibao"]
[Black "Wang, Yu A"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1788"]
[BlackElo "2354"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventCountry "CHN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,71,0,12,14,8,0,15,0,51,0,0,-6,-7,-14,-10,-48,-45,-52,-55,-71,-42,-93,-45,-44,-41,-43,-39,-72,-64,-66,-57,-54,-18,-20,-17,-50,-49,-41,-46,-59,-3,-3,0,0,19,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. g3 Nc6 6. Bg2 e6 7. O-O {D13: Slav Defence: Exchange variation without ...Bf5} Be7 8. Nc3 a6 9. Bf4 b5 (9... b6 $11) (9... O-O 10. Rc1 Bd7 11. Ne5 Be8 12. Qd2 Rc8 13. Rfd1 {½-½ (32) Sasikiran,K (2694)-Nguyen,N (2567) Beijing 2008}) 10. Rc1 (10. e4 $1 $14) 10... Bb7 $11 11. Ne5 Rc8 $146 ({Predecessor:} 11... Qb6 12. e4 Nxe5 13. dxe5 Nxe4 14. Nxe4 dxe4 {1-0 (27) Gross,G (1871)-Lambert,A (2224) Germany 2009}) 12. Re1 O-O 13. e3 Nxe5 14. dxe5 Nd7 {White must now prevent ...g5.} 15. h4 b4 16. Na4 ({White should try} 16. Ne2 $15) 16... Rxc1 17. Qxc1 Qa5 18. b3 $1 Rc8 19. Qb1 h6 20. h5 Nc5 21. Nxc5 Qxc5 22. e4 d4 23. Rc1 Qb6 24. Rxc8+ Bxc8 25. Qc2 Bc5 (25... Bd7 $1 $15) 26. Bf1 {The position is equal.} Bb7 27. Bd3 a5 28. g4 Qc7 29. Qc1 (29. Qc4 {is more complex.} Bb6 30. f3 Kh7 31. Kf2 Qd7 32. Bg3) 29... Bb6 30. Qxc7 Bxc7 {[%mdl 4096] Endgame KBB-KBB} 31. Bh2 f6 32. f4 fxe5 33. fxe5 Bc6 34. Kf2 Kf7 35. Kf3 a4 36. Kf4 {Precision: White = 49%, Black = 61%.} 1/2-1/2

