[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Vachier-Lagrave, Maxime"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2804"]
[BlackElo "2788"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,112,24,18,16,14,6,6,16,17,17,0,0,0,0,0,11,10,28,8,6,10,41,-10,0,0,0,-39,-20,-52,-53,-55,-7,-82,0,0,-13,-23,-18,-14,-9,-176,-69,-60,-57,-76,0,0,34,35,35,35,33,44,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,110,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} O-O 9. h3 {LiveBook: 56 Games} a5 (9... Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 {1-0 (41) Anand,V (2786)-So,W (2812) Leuven 2017}) 10. Nbd2 Be6 11. Bb5 $146 Na7 12. d4 Nxb5 13. dxc5 (13. axb5 $5 {[%cal Rd4c5]} exd4 14. Nxd4 $11) 13... Na7 14. b3 Re8 15. cxd6 Qxd6 16. Ba3 Qa6 17. b4 axb4 18. cxb4 b5 19. Bb2 (19. Nxe5 $14 bxa4 20. Bb2) 19... Nc6 $11 {[%cal Rb5a4]} 20. Nxe5 Nxb4 {[%cal Rb5a4]} 21. Re3 bxa4 22. Rg3 Red8 23. Qf3 {Intending Qxf6 and mate.} Kh7 24. Ndc4 $1 {[#]} Nc2 (24... Rab8 $1 $17 {Hoping for ...Nc2.} 25. Bc3 Rg8) 25. Rxg7+ Kxg7 {[#]} 26. Nc6 $1 {[%mdl 512]} Nd4 ({Don't blunder} 26... Qxc6 $2 27. Qxf6+ Kf8 28. Qh8+ Ke7 29. Bf6+ Kd7 30. Rd1+ Qd6 31. Rxd6+ (31. Nxd6 Rxh8 32. Nxf7+ Ke8 $17) 31... cxd6 32. Nb6+ Kc6 33. Bxd8 $18) 27. Nxd4 ({Not} 27. Bxd4 $2 Rxd4 28. Nxd4 Qxc4 $19) 27... Bxc4 28. e5 $2 {[#]} (28. Nf5+ $11 Kh7 29. Ne7) 28... Rg8 (28... Nh7 $1 $19 {[%cal Rh7g5]} 29. e6 f6) 29. Nf5+ $15 Kh7 $1 30. Ne7 $1 Rab8 ({Don't go for} 30... Rgb8 $2 31. Qf5+ Kg7 32. exf6+ Kf8 33. Qh7 $18) ({Better is} 30... Ne8 $17 {And now ...Rg7 would win.} 31. Nxg8 Kxg8 32. Qg4+ Kh8 33. e6+ f6) 31. exf6 $11 Qb7 (31... Qe6 {is more complex.} 32. Nxg8 Rxg8 33. Rxa4 Rg6 34. Kh2 Bd5) 32. Qxb7 Rxb7 33. Nxg8 Rxb2 34. Rxa4 Kxg8 (34... Rb1+ $14 35. Kh2 Be6) 35. Rxc4 $14 {[%mdl 4096] Endgame KR-KR} Rb6 36. Rxc7 Rxf6 37. Rc5 Kg7 38. g4 Rf3 39. Kg2 Ra3 40. f3 Ra2+ 41. Kg3 Ra3 42. h4 Rb3 43. h5 Ra3 44. Kf4 Ra4+ 45. Kf5 Ra3 46. f4 Rf3 47. Rc6 Rf1 48. g5 (48. Rc7 $16) 48... hxg5 $11 {The position is equal.} 49. h6+ Kh7 50. Kxg5 {Strongly threatening Rc7.} Rg1+ 51. Kf5 Rh1 52. Ke5 Rxh6 53. Rxh6+ Kxh6 54. Kf6 Kh5 55. Kxf7 {Threatening mate with Ke6.} Kg4 56. Ke6 {f5 would kill now.} Kxf4 {Precision: White = 75%, Black = 69%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "So, Wesley"]
[Black "Jobava, Baadur"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2792"]
[BlackElo "2702"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,11,18,12,-8,-3,-11,3,0,2,0,0,0,0,-28,-33,-30,-30,-33,-25,-25,-17,-17,-7,-8,-8,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-3,0,-3,0,-27,0,0,0,-11,-11,-26,0,-8,0,0,0,0,0,0,0,0,0,-2]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (8. Bd3 Nc6 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Ne5 12. Qxb7 Rb8 13. Qxa7 Rxb2 14. O-O Bf6 15. a4 Qc8 {½-½ (39) Anand,V (2783)-So,W (2810) Leon 2017}) 8... Nd7 9. O-O-O c6 10. Kb1 d5 11. h4 {LiveBook: 3 Games} Bc5 $146 ({Predecessor:} 11... Nf6 12. Ng5 Ne4 13. Qe1 Bf5 14. Bd3 Nd6 15. Be2 h6 {0-1 (34) Fedorchuk,S (2641)-Kuzubov,Y (2640) Lvov 2015}) 12. Bd3 Bxe3 13. Qxe3 Nf6 (13... Re8 $5 {[%cal Re8e3]} 14. Qd4 Nf6 $11) 14. Rde1 Qb6 15. Qxb6 axb6 16. Re7 Re8 17. Rhe1 (17. Rc7 {is more complex.} h6 18. a3 Ng4 19. Rf1 Nf6 20. Rh1) 17... Rxe7 18. Rxe7 Kf8 19. Re1 h6 20. a3 Ng4 21. Ne5 Nxf2 22. Rf1 Ng4 $1 {[%cal Rg4e5]} 23. Rxf7+ Ke8 24. Rf1 Nxe5 25. Re1 Bg4 26. Rxe5+ $11 {[%mdl 4096] Endgame KRB-KRB} Kd7 27. c4 Kd6 28. Re3 dxc4 29. Bxc4 Rf8 30. g3 Rf2 31. b4 g5 (31... b5 $5 {[%cal Rb5c4]} 32. Bd3 Be6 $15) 32. hxg5 hxg5 33. Kb2 b5 34. Bd3 Bf3 35. Kc3 {The position is equal.} g4 36. Bf5 Rg2 37. Kd4 Rd2+ 38. Kc3 Rg2 39. Kd4 Rd2+ 40. Kc3 {Precision: White = 74%, Black = 49%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Svidler, Peter"]
[Black "Bu, Xiangzhi"]
[Result "1/2-1/2"]
[ECO "C24"]
[WhiteElo "2756"]
[BlackElo "2714"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,70,16,14,0,0,0,2,2,21,0,0,-20,2,0,-7,-47,-27,-29,-17,-17,0,0,0,-15,-10,-10,-16,-20,-8,-24,0,0,11,0,5,-4,0,0,-7,-23,-3,-29,-29,-29,-29,-29,-29,-29,-29,-29,-26,-27,-26,-26,-26]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 Be7 5. Bb3 d6 6. O-O O-O 7. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e3,Be3f5][%mdl 32] C24: Bishop's Opening: 2...Nf6} (7. Re1 Re8 8. c3 Bf8 9. Nbd2 Be6 10. Bc2 Nbd7 11. h3 h6 12. d4 Qc7 13. c4 exd4 14. Nxd4 Qb6 15. Nxe6 Rxe6 {0-1 (42) Hou,Y (2649)-Ivanchuk,V (2732) Shenzhen 2017}) 7... Nbd7 8. c3 Nc5 9. Bc2 Bg4 {LiveBook: 5 Games} 10. Nc4 $146 ({Find the theoretical novelty and annotate with similar games:} 10. h3 Bh5 11. Re1 Ne6 12. Nf1 Nd7 {½-½ (26) Kotainy,J (2400)-Schuh,D (2368) Germany 2016}) 10... Bh5 11. Ne3 d5 {[%cal Rd5e4]} 12. Nf5 Re8 {[%cal Rd5e4]} 13. Qe2 Bf8 14. h3 Qc7 15. Ng3 Bg6 16. Nh2 a5 17. Ng4 Qd6 18. Qf3 Nfd7 19. Ne3 Qf6 20. Nef5 Bxf5 21. Nxf5 g6 22. Qg3 Ne6 23. Ne3 h5 24. exd5 Nf4 {[#] White must now prevent ...Ne2+.} 25. Qf3 Nxd5 26. Nxd5 Qxf3 27. gxf3 {And now Nc7 would win.} cxd5 {[%cal Bc6d5,Bd5d4][%mdl 32]} 28. Ba4 Rad8 29. Be3 Re6 {Black has an edge.} 30. Rfe1 Nc5 31. Bb5 Rb6 32. a4 d4 33. Bd2 Nb3 34. Rad1 f6 35. Re4 Nxd2 {Precision: White = 53%, Black = 71%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Ivanchuk, Vassily"]
[Black "Giri, Anish"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "2727"]
[BlackElo "2777"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,19,16,0,94,56,55,49,56,57,74,0,52,47,74,8,26,14,35,-93,-97,-92,-81,-87,-86,-75,-42,-33,0,7,35,40,30,29,46,45,34,39,93,104,71,87,75,89,78,75,102,0,36,3,4,-89,0,3,208,197,302,300,281,256,300,315,303,289,508,479,1512,1437]} 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 Bxd7 7. O-O Bd6 8. Qh5 Qf6 {LiveBook: 24 Games. C43: Petroff Defence: 3 d4} 9. Be3 {[#] Threatens to win with f3.} (9. Nc3 {seems wilder.} Qxd4 10. Be3 Qe5 11. Qxe5+ Bxe5 12. Nxd5 Nf6 13. Rae1) (9. Nc3 Qxd4 10. Be3 Qe5 11. Qxe5+ Bxe5 12. Nxd5 Nf6 13. Bf4 Bxf4 14. Rfe1+ Kf8 15. Nxf4 g5 16. Ne2 {½-½ (59) Lu,S (2619)-Wang,Y (2718) China 2016}) 9... O-O-O $146 (9... Bf5 $11) ({Predecessor:} 9... Bf5 10. f3 g6 11. Qh6 Bf8 12. Qf4 Bd6 13. Qh6 Bf8 14. Qf4 {½-½ (14) Iordachescu,V (2564)-Landa,K (2570) Reggio Emilia 2006}) 10. Nc3 (10. Qxd5 {feels hotter.} Bf5 11. Qa5 Kb8 12. Nc3 b6 13. Qb5) 10... Nxc3 {White is slightly better.} 11. bxc3 {aiming for Bg5.} Qe6 12. Rfe1 f6 13. Bd2 ({Better is} 13. Rab1 $16) 13... Qg8 (13... Be8 $1 $11 14. Qf3 (14. Rxe6 Bxh5 15. g3 Bf7 $11) 14... Qf7) 14. Rab1 $14 Kb8 15. h3 ({White should play} 15. Ba6 $16 Bc6 {[#]} 16. Rxb7+ $3 {[%mdl 512]} Bxb7 17. Rb1) 15... b6 $11 16. Ba6 g5 17. Qf3 (17. c4 $1 $14 {keeps the upper hand.}) 17... g4 $17 18. hxg4 ({Don't blunder} 18. Qxf6 $2 gxh3 19. Bf1 Rf8 $19) 18... Bxg4 19. Qxf6 Rf8 20. Qh4 h5 21. Bg5 Rh7 22. Re3 Bc8 23. Bxc8 Kxc8 24. Rbe1 Qg6 25. Be7 Bxe7 26. Rxe7 Qxc2 (26... Kb7 $14) 27. Qg3 $16 {[%csl Ge7][%cal Rg3c7]} Rxe7 28. Rxe7 {[%csl Ge7][%cal Rg3c7][%mdl 4096] Endgame KQR-KQR} Qc1+ 29. Kh2 {[%csl Ge7][%cal Rg3c7]} Qf4 30. f3 $40 {[%mdl 128] White wants a kill.} a5 31. Re5 (31. Qxf4 $16 Rxf4 32. Re5) 31... Qf7 32. Qh3+ Kb7 33. Rxh5 (33. Qe6 $11 {keeps the balance.}) 33... a4 ({Black should try} 33... Qf4+ $17 34. Qg3 Qd2) 34. Rh7 Qf4+ $2 (34... Qe8 $1 $11 {and Black stays safe.}) 35. Qg3 $18 a3 (35... b5 $142 36. Qxf4 Rxf4) 36. Qxf4 Rxf4 37. Re7 Rf6 38. Re3 Rh6+ 39. Kg1 Ka6 $2 (39... Kc6 40. g4 Rh8) 40. f4 {[%cal Bf3f4,Bf4f5][%mdl 32]} c5 (40... Kb7 $142 41. Re2 Rf6) 41. f5 {Precision: White = 60%, Black = 38%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Wang, Hao"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "D47"]
[WhiteElo "2701"]
[BlackElo "2771"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,76,23,23,22,23,35,20,29,23,25,35,3,0,0,0,-31,-26,-26,0,0,0,0,0,0,0,-5,-5,-5,-6,-6,-6,-7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. axb4 Bxb4 11. O-O c5 12. Na2 {D47: Semi-Slav: Meran System} (12. Qe2 O-O 13. Rd1 a5 14. Ne5 Qc7 15. Nxd7 Nxd7 16. Qh5 f5 17. Qe2 cxd4 18. exd4 Rae8 19. Bb5 Re7 {0-1 (81) Kozul,Z (2627)-Shirov,A (2713) Sarajevo 2004}) 12... a5 13. Nxb4 axb4 14. Rxa8 Qxa8 15. Be2 O-O {LiveBook: 3 Games} 16. Bd2 Bd5 $146 ({Predecessor:} 16... Qa5 17. Qe1 Ne4 18. dxc5 Nxd2 19. Qxd2 Nxc5 {½-½ (38) Jacobs,R (2400)-Vasilev,V (2358) ICCF email 2013}) 17. dxc5 Rb8 18. Qa1 {[#] aiming for Qxa8.} Nxc5 19. Qxa8 Bxa8 20. Ne5 Nfe4 21. Be1 f6 22. f3 fxe5 23. fxe4 Bxe4 24. Bg3 {The position is equal.} Bd3 25. Bxe5 {And now Bxd3 would win.} Rc8 26. Rc1 Bxe2 27. Bd4 {[#]} e5 $1 28. Bxc5 $11 {[%mdl 4096] Endgame KRB-KRB} (28. Bxe5 Bg4) 28... Bd3 29. Kf2 Be4 30. g3 g5 31. Ke2 g4 32. Kd2 Rd8+ 33. Ke1 b3 34. Bb6 Rd6 35. Bc7 Rh6 36. Rc4 Bf3 37. Rb4 Rxh2 38. Rxb3 Re2+ {Precision: White = 81%, Black = 70%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Rodshtein, Maxim"]
[Black "Fedoseev, Vladimir"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2695"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,82,12,16,14,0,0,0,-5,-6,8,0,0,0,0,14,19,12,7,9,15,5,12,20,22,0,0,0,0,7,4,0,55,75,69,59,118,68,105,55,70,0,1,0,0,0,0,0,27,0,0,0,0,-16,-8,-8,-6,-797,-775,-2117,-2068,-2105,-20,-2105,-2050,-2010,-2015,-1721,-1654,-1290,-1229]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. a3 Be7 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} 9. b4 (9. cxd5 exd5 10. b4 a5 11. b5 c6 12. bxc6 Nxc6 13. e3 b5 14. Ne5 Bd6 15. Bb2 a4 16. Qb1 Rb8 17. Bc3 Ba8 18. Nxc6 Bxc6 {½-½ (69) Wei,Y (2728)-Yu,Y (2749) Beijing 2017}) 9... c5 10. bxc5 bxc5 {The position is equal.} 11. Rb1 Qc8 12. Bb2 (12. Qb3 $5 {[%cal Rb3b7]} Ba6 13. Bb2 $11) 12... Nbd7 13. dxc5 Nxc5 14. Qc2 {[#]} Nfe4 $146 ({Predecessor:} 14... Nce4 15. Nxe4 Nxe4 {½-½ (25) Lputian,S (2590)-Yudasin,L (2625) Philadelphia 1994}) 15. Rfc1 f6 16. cxd5 Bxd5 17. Nd4 {[%cal Rd2e4]} f5 18. Nxe4 fxe4 19. Qc3 (19. Bc3 $5 {[%cal Rc3b4]}) 19... Rf7 $1 20. Qe3 Qd7 21. Ba1 Raf8 22. f4 {[%cal Bf2f4,Bf4e5][%mdl 32]} e5 ({Better is} 22... exf3 $11 23. Nxf3 Qd6) 23. fxe5 $14 Qg4 {Black wants to play ...Bg5.} 24. Rf1 h5 (24... Rxf1+ $14 25. Rxf1 Rxf1+ 26. Kxf1 Qh5) 25. h3 Qg6 26. Kh2 h4 {next ...Bg5 is good for Black.} 27. g4 (27. Rxf7 $14 Rxf7 28. g4) 27... Bg5 28. Qc3 Rxf1 29. Rxf1 Rxf1 $40 {[%mdl 128] Black has some attack.} 30. Bxf1 Qf7 31. Nf5 Ne6 32. Kg1 g6 33. Nd6 Qf4 34. Bg2 Bd8 35. Nc4 $2 {[%mdl 8192] [#]} (35. Qe1 $11) 35... e3 $1 $19 36. Bxd5 Qf2+ 37. Kh1 Qf1+ 38. Kh2 {[#]} Bg5 $1 {[%cal Rg5f4] Black is clearly winning.} 39. Bxe6+ Kg7 {[%cal Rg5f4]} 40. Qxe3 Bxe3 41. Nxe3 Qxa1 {Precision: White = 44%, Black = 59%.} 0-1

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Rapport, Richard"]
[Black "Najer, Evgeniy"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2675"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,159,10,12,16,7,-16,10,8,18,19,27,23,22,0,0,-24,-12,-66,0,0,0,0,0,-28,0,0,0,0,0,0,0,0,0,6,23,0,0,0,0,-15,-14,-5,-4,-24,-14,-20,-32,-36,-6,-10,0,-31,-19,-37,-7,-32,-18,-18,-17,-26,-31,-28,-26,-22,-18,-141,-141,-122,-47,-139,-73,-69,-65,-79,-44,-44,-44,-44,-44,-44,-45,-52,-43,-59,-29,-29,-29,-29,-29,-29,-29,-34,-18,-31,-11,-9,-14,-12,-12,-13,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Bd7 9. Qc2 e6 (9... Rc8 10. Bd3 e6 11. Nf3 b5 12. a3 Be7 13. Qe2 a6 14. Ne5 O-O 15. O-O Qb6 16. a4 b4 17. Nb1 Ra8 18. Bg5 Be8 19. Nd2 h6 20. Bh4 {1-0 (57) Howell,D (2684)-Melkumyan,H (2613) Minsk 2017}) 10. Bd3 Be7 11. Nf3 Nc6 12. a3 Nh5 {LiveBook: 34 Games} 13. Be5 f6 14. Bf4 Nxf4 (14... g5 $5 {[%cal Rg5f4]} 15. Bg3 Kf7 $11) 15. exf4 g6 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Qb6 16. Bxh7 Nxd4 {0-1 (26) Sagar,S (2433)-Soumya,S (2346) Pune 2016}) 16. O-O Kf7 17. Rfe1 Rc8 18. h4 f5 19. Qb3 (19. h5 $5) 19... Bf6 20. Nb5 (20. Ne5+ $11 Kg7 21. Qxb7) 20... Be8 (20... Kg7 $15 21. Ne5 Be7) 21. Rad1 a6 22. Nc3 b5 23. Re2 (23. g3 {with more complications.} Nxd4 24. Nxd4 Bxd4 25. Bxf5 Bxf2+ 26. Kxf2 gxf5 27. Ne2) 23... Nxd4 (23... Bd7 {seems wilder.} 24. Bb1 Kg7 25. g3 Qb6 26. Ba2 Rhe8) 24. Nxd4 Bxd4 {[#]} 25. Bxf5 $1 {[%mdl 512]} Bxf2+ (25... exf5 26. Rxd4) 26. Rxf2 gxf5 {[#]} 27. Nxd5 $1 {[%mdl 512]} Qxh4 (27... exd5 28. Rxd5) 28. Ne3 Qf6 29. Rd6 (29. g4 $5 {[%cal Re3f5]}) 29... Rc1+ 30. Rf1 {[%cal Bf2f1,Bf1d1,Bd1d6][%mdl 32]} Rc6 31. Rfd1 Rg8 32. Rxc6 Bxc6 33. Rd6 Rc8 $1 34. Qd1 (34. Qc2 $5 {[%cal Rd6c6]} Bb7 35. Qd1 $11) 34... Ke7 35. Qd2 a5 36. Rd3 h5 37. Rc3 Rd8 38. Qe1 Be4 39. Qe2 Qh4 40. Qxb5 {With the idea Qe5.} Qxf4 {Threatens to win with ...Bxg2!} 41. Qxa5 Rd7 42. Qc5+ $1 Qd6 43. Qxd6+ Rxd6 $11 {[%mdl 4096] Endgame KRB-KRN} 44. Nf1 (44. g3 $11) 44... Rd1 $17 {...Bd3 is the strong threat.} 45. Kf2 {[#]} f4 ({Black should play} 45... Bd3 $1 $17 46. Ne3 Rd2+ 47. Kg1 Be4) 46. Rh3 {[#]} (46. g3 $1 $15) 46... Bd3 ({Black should try} 46... Kf6 $1 {aiming for ...Bd3.} 47. Rxh5 Rb1 48. Rh6+ Ke5) 47. Nh2 Bg6 {White must now prevent ...Rd2+.} 48. Nf3 Rb1 (48... Kf6 {is interesting.} 49. Rh4 e5 50. g3 fxg3+ 51. Kxg3 Rd3) 49. Rh4 Rxb2+ 50. Kg1 Ra2 51. Rxf4 Rxa3 52. Kf2 Bf5 53. Nh4 Bg4 54. Ng6+ Kd6 55. Rd4+ Kc5 56. Rd2 Bf5 57. Ne5 Rb3 58. Nf3 Be4 59. Nd4 {The position is equal.} Rb6 60. Ke3 Bd5 61. Kf4 Rb1 62. Ke5 Kc4 63. g3 Rg1 64. Rc2+ Kd3 {[#]} 65. Rc3+ $1 {[%mdl 512]} Kxc3 66. Ne2+ Kd3 67. Nxg1 $11 {KB-KN} Ke3 {Hoping for ...Bg2.} 68. Nh3 Kf3 69. Nf4 Kg4 70. Ne2 Bc4 71. Nf4 Bb3 72. Ne2 Bc4 73. Nf4 Bd5 74. Ne2 Bb3 75. Nf4 Bc4 76. Ke4 Ba6 (76... Bd5+ $5 77. Ke5 Bb3 $15) 77. Nxe6 Kxg3 {And now ...h4 would win.} 78. Ng7 h4 79. Nf5+ Kg4 {[#]} 80. Nxh4 $1 {[%mdl 512] Precision: White = 59%, Black = 55%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.12"]
[Round "4.1"]
[White "Dubov, Daniil"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2666"]
[BlackElo "2802"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,8,26,21,14,12,6,7,22,0,0,0,16,0,17,0,17,7,10,0,0,-25,-21,-18,-20,-92,-12,0,0,0,0,-102,-90,-110,-100,-102,-96,-102,-92,-103,-105,-96,-52,-93,-87,-104,-102,-103,-114,-224,-17,-14,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Bg5 {E05: Open Catalan: 5 Nf3 Be7} (9. Qxc4 Bc6 10. Bf4 Nbd7 11. Nc3 Bd6 12. a5 Bxf4 13. gxf4 Nd5 14. e3 Nxc3 15. Qxc3 Bxf3 16. Bxf3 c6 17. Kh1 Qe7 18. Rg1 g6 19. Rg5 {½-½ (80) Aronian,L (2793)-Kramnik,V (2808) Leuven 2017}) 9... Bc6 10. Rd1 a5 {LiveBook: 3 Games} 11. Na3 {White has an edge.} Na6 12. Nxc4 Nb4 13. Qc1 $146 ({Find the theoretical novelty and annotate with similar games:} 13. Qb3 Bd5 14. Nfe5 Bxg2 15. Kxg2 c6 16. Bxf6 Bxf6 {1-0 (37) Postny,E (2635)-Simonian,T (2425) Yerevan 2014}) 13... h6 14. Bxf6 Bxf6 15. Nfe5 Bd5 16. Qc3 b6 17. e4 Bb7 (17... Bxc4 $5 18. Nxc4 (18. Qxc4 Bxe5 19. dxe5 Qe7 $11) 18... Rc8 $11) 18. Ng4 Be7 19. Qb3 Qe8 20. d5 Bc5 21. d6 Qd8 {[%cal Rc7d6]} 22. e5 (22. Nge3 $11 {keeps the balance.}) 22... Bxg2 (22... Bd5 $17) 23. Kxg2 $11 h5 $36 {[%mdl 2048] Black has the initiative.} 24. Nge3 cxd6 25. Nxd6 {[#]} (25. exd6 $11 {remains equal.} Ra7 26. Rd2) 25... Bxe3 $1 $17 26. Qxe3 Nc2 27. Qf3 {Black must now prevent Rac1.} Nxa1 28. Qxh5 {Threatens to win with Ne4.} f6 {aiming for ...Nb3.} 29. Rxa1 fxe5 30. Qxe5 Qf6 31. Qe3 Rad8 ({Reject} 31... Qxb2 $6 32. Qxe6+ Kh8 33. Qh3+ Kg8 34. Qe6+ Kh8 35. Nf7+ Rxf7 36. Qxf7 $11) 32. Rd1 {[#]} Qe7 $1 33. Qxb6 Rb8 34. Qc6 (34. Qd4 $17 {was worth a try.}) 34... Qf6 $2 (34... Rxb2 $19 35. Ne4 Qf7) 35. Rd2 $1 $11 Rxb2 36. Ne8 {Precision: White = 21%, Black = 54%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Aronian, Levon"]
[Black "Dubov, Daniil"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2802"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "193"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]

{[%evp 17,193,17,21,12,0,0,-2,0,0,0,0,0,0,0,0,-35,-24,-65,-69,-81,-78,-71,-43,-24,-32,-43,-19,-40,-31,-19,4,0,0,0,19,19,19,19,19,19,19,19,61,52,112,105,222,217,219,218,231,0,0,0,217,217,217,224,272,0,233,215,229,192,182,185,175,144,144,144,144,144,137,137,175,175,175,137,12848,4714,12840,12846,4456,12847,4994,250,29967,29964,29968,29969,29969,29970,29971,29970,29970,29970,29970,29970,29970,29970,29971,29972,29972,29971,29971,29970,29969,29969,29970,0,29970,0,29971,29969,29970,29968,29969,29969,29969,29969,29969,29970,29969,29966,29967,29968,29968,29961,29966,175,29968,175,29968,126,29964,126,29966,29965,29963,126,29962,175,12109,243,233,175,242,24,29960,29959,29960,126,126,12,12,0,156,0,159,0,29959,0,29955,29961,29954,29955,222,12,29970,29970,29968,29969,29967,29968,29982,29982,29982,29983]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 O-O 9. Be2 b6 {LiveBook: 45 Games. D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (9... Qa5 10. O-O Rd8 11. Qb3 Qb6 12. Qa3 Nd7 13. e5 Nf8 14. Rfd1 Qc7 15. Ng5 Ne6 16. Ne4 b6 17. d5 Bb7 18. dxe6 Bxe4 19. exf7+ Kxf7 {1-0 (51) Ponkratov,P (2590)-Dubov,D (2666) St Petersburg 2017}) 10. Qd2 cxd4 11. cxd4 Bb7 {The position is equal.} 12. e5 Nc6 13. h4 Qd5 14. h5 Rfd8 15. Rc1 $146 ({Find the theoretical novelty and annotate with similar games:} 15. hxg6 hxg6 16. Rh4 Qa5 17. Qxa5 Nxa5 {½-½ (37) Cuenca Jimenez,J (2498)-Ftacnik,L (2551) Leiria 2017}) 15... Qa5 16. h6 Bf8 17. e6 f6 18. O-O Qxd2 19. Bxd2 Nxd4 20. Nxd4 Rxd4 21. Be3 Rdd8 22. Bb5 Bd5 23. Bd7 $1 g5 24. f4 Bxh6 {...gxf4 is the strong threat.} 25. fxg5 $1 Bg7 26. Bd4 {[%cal Rg5f6]} fxg5 27. Bxg7 Kxg7 28. Rf7+ Kg6 29. Rxe7 Rf8 30. Re1 $1 Bxa2 (30... Bc4 $14) 31. Bb5 $1 $16 ({But not} 31. Bc6 $6 Rac8 $15) 31... a6 (31... a5 $16) 32. Bd3+ $18 Kf6 33. Rxh7 b5 34. Rh6+ {[%mdl 1024] White has strong compensation.} Ke7 35. Rh7+ Kf6 $1 36. e7 {And now Rf1+ would win.} Rg8 37. Rh6+ Kf7 38. Rh7+ Kf6 $1 39. Be4 $1 Rae8 40. Rh6+ Kf7 41. Bc6 Bc4 42. Bxe8+ Rxe8 43. Rxa6 Rxe7 44. Rxe7+ Kxe7 {[%mdl 4096] Endgame KR-KB} 45. Kf2 Kf7 46. Rb6 Be6 47. Rxb5 Kf6 $2 {[%mdl 8192]} (47... Kg6 $16 48. Re5 Bd7) 48. Kf3 Bf5 49. Rc5 Bd3 50. Ke3 $1 {[%cal Re3d3]} Bf5 51. Kd4 $2 (51. Rc6+ Ke5 52. Rc5+ Kf6 53. Kd4) 51... Bb1 $2 (51... Be6 $18 52. Ke4 Bd7) 52. Rc1 Bg6 53. Rc6+ Kg7 54. Ke5 Bb1 55. Ra6 Bc2 56. Rd6 Kf7 57. Rf6+ Kg7 58. Rf2 Bb1 59. Rb2 Bd3 60. Rd2 Bb1 61. Ke6 Be4 62. Re2 Bd3 63. Rd2 Be4 $1 64. Ke5 Bb1 $1 65. Rd4 Kf7 66. Ra4 Bc2 67. Ra5 Bb1 68. Rc5 Kg6 69. Rc1 Bd3 70. Rd1 Bc2 71. Rd2 Bb1 72. Ke6 Be4 73. g3 $2 (73. g4 Bb1 74. Ke5 Kg7 75. Rd1 Bc2 76. Rd6 Kf7 77. Rd7+ Kg6 78. Rd2) 73... Bb1 $2 (73... Bf5+ $18 74. Kd5 Kf6) 74. Rb2 $2 (74. g4 Kg7 75. Ke5 Kg6 76. Rd7 Bc2 77. Rb7 Bd3 78. Rd7 Bb1 79. Rd6+ Kg7 80. Rd1) 74... Bd3 $2 (74... Bf5+ $18 75. Ke5 Bh3 76. Rb6+ Kh5) 75. Ke7 $2 (75. g4 $1 Kg7 76. Rb7+ Kg6 77. Ke5 Bc2 78. Rb2 Bd3 79. Kd4 Bf1 80. Ke4) 75... Be4 $2 {[%mdl 8192]} (75... Kf5 $16) 76. Rb6+ $2 (76. g4 $1 Bf3 77. Rb6+ Kg7 78. Rb4 Kg6 79. Ke6 Be2 80. Ke5 Bd3 81. Rb3) 76... Kg7 $2 {[%mdl 8192]} (76... Kf5 $16) 77. Rb5 Kg6 78. Rb4 $2 (78. g4 $1 Bf3 79. Rb6+ Kg7 80. Rb4 Bd1 81. Ke6 Kg6 82. Ke5 Bc2 83. Rb2) 78... Bc2 $2 {[%mdl 8192]} (78... Kf5 $16 79. Kf7 Bf3) 79. Kf8 $2 (79. Ke6 Bf5+ 80. Ke5 Bd7 81. Rd4 Bc8 82. Rc4 Bb7 83. g4 Bf3 84. Rb4) 79... Kf6 $2 (79... Kh5 80. Ke7 Bf5) 80. Kg8 Bd3 81. Rd4 Bc2 (81... Be2 {was called for.} 82. Rd2 Bh5) 82. Rd2 $2 (82. Kh8 $18) 82... Bb1 $2 {[%mdl 8192]} (82... Be4 $11) 83. Rf2+ Kg6 84. Rb2 $2 (84. g4 $1 {NOTEXT} Be4 85. Rd2 Kf6 86. Re2 Bd3 87. Rb2 Be4 88. Rf2+ Kg6 89. Rd2) 84... Bd3 85. Rb6+ ({White should play} 85. Kf8 $16) 85... Kf5 $11 86. Rb4 (86. Rd6 $11 Bc4+ 87. Kg7) 86... Kf6 $1 $16 87. Rd4 Bc2 $1 88. Rd2 $2 (88. Kh8 $16) 88... Bb1 89. Rf2+ Kg6 $1 90. g4 $1 Be4 {[#]} 91. Rd2 $1 {[%cal Rd2d6]} Kf6 {[#]} 92. Rb2 $2 (92. Re2 $1 $18 {[%cal Re2e4]} Bd3 93. Rb2) 92... Bd3 $2 {[%mdl 8192]} (92... Ke5 $11) 93. Rb6+ {White mates.} Ke5 94. Kg7 Kf4 95. Rb4+ Be4 {[#]} 96. Rxe4+ $1 {[%mdl 512]} Kxe4 97. Kg6 {Precision: White = 41%, Black = 38%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Grischuk, Alexander"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2788"]
[BlackElo "2804"]
[Annotator "TA"]
[PlyCount "25"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,25,27,27,27,16,28,4,21,20]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. O-O O-O 9. Be3 Nc6 10. Qd2 {LiveBook: 59 Games} Rb8 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (10... Bd7 11. Nb3 Na5 12. Nxa5 Qxa5 13. Rfd1 Rfc8 14. Bd4 Be6 15. Bxf6 exf6 16. Bd3 f5 17. exf5 Bxc3 18. bxc3 Bxf5 19. Bxf5 Qxf5 {½-½ (32) Movsesian,S (2653)-Dominguez Perez,L (2732) Huaian 2016}) 11. h3 Bd7 12. Rfd1 $146 ({Predecessor:} 12. f4 Ne8 13. Nf3 f5 14. Ng5 e6 15. exf5 gxf5 16. Bc4 Qf6 17. Ba2 h6 {0-1 (33) Grebenshikova,T (2042)-Kobzev,D (2098) Tula 2005}) 12... Qc7 13. Nb3 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Giri, Anish"]
[Black "Ivanchuk, Vassily"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2777"]
[BlackElo "2727"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,98,50,0,19,10,16,14,18,10,6,6,3,2,4,0,0,4,12,0,0,0,8,9,17,8,14,-49,-50,-61,-63,-66,-54,-51,-45,-90,-108,-218,-208,-190,-211,-287,-297,-286,-283,-309,-338,-324,-286,-260,-264,-269,-254,-420,-423,-401,-393,-367,-382,-425,-383,-367,-325,-493,-487,-473,-356,-356,-349,-349,-348,-320,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 d6 3. g3 g6 4. d4 Nd7 5. Nf3 Bg7 6. Bg2 Ngf6 7. O-O O-O 8. e4 a6 9. Qc2 exd4 10. Nxd4 Re8 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} 11. Re1 {LiveBook: 4 Games} (11. Rd1 Rb8 12. h3 c6 13. Bf4 Ne5 14. c5 Bf8 15. cxd6 Bxd6 16. Bxe5 Rxe5 17. Nf3 Qe7 18. Nxe5 Bxe5 19. Ne2 Be6 20. Rac1 {1-0 (35) Kovalenko,I (2700)-Maze,S (2582) Berlin 2015}) 11... Ne5 12. b3 c5 13. Nf3 Nfg4 $146 {[#] White must now prevent ...Nxf3+.} ({Predecessor:} 13... Nc6 14. Bf4 Bg4 15. h3 Bxf3 16. Bxf3 Nd4 17. Qd1 Qa5 18. Bd2 {0-1 (65) Donchenko,A (2498)-Shoker,S (2453) Metz 2014}) 14. Nxe5 Nxe5 15. Bb2 Nc6 16. Qd2 Qa5 17. Rad1 Bg4 18. f3 Be6 19. Nd5 Qxd2 20. Rxd2 {And now Bxg7 would win.} Bxb2 (20... Bxd5 $5 21. Bxg7 Kxg7 22. cxd5 Nd4 $11) 21. Rxb2 {Strongly threatening Nc7.} Bxd5 22. cxd5 Nd4 23. f4 ({Better is} 23. b4 $1 $11) 23... a5 $15 24. Kf2 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 25. h4 Re7 26. g4 h6 27. Ke3 f5 28. Kd3 (28. gxf5 $17 gxf5 29. Kd3) 28... fxg4 $19 29. e5 Kg7 30. Re4 Nf5 31. Kc4 Ra6 32. a3 h5 33. Ree2 Nd4 ({Not} 33... Nxh4 34. exd6 Rxe2 35. Rxe2 $19) 34. Re4 b5+ {[%cal Bb7b5,Bb5b4][%mdl 32]} 35. Kc3 b4+ 36. Kc4 $2 (36. axb4 axb4+ 37. Kd3) 36... bxa3 37. Ra2 {and the idea exd6 leaves White hopeful.} Rb7 {[#] aiming for ...Rb4+.} 38. Rxa3 Nf5 39. Kc3 Rab6 40. Bf1 g3 41. Bh3 (41. exd6 $142 Rxd6 42. Bh3) 41... Nd4 42. Kd2 Nxb3+ 43. Kd3 Nd4 44. exd6 Rxd6 45. Kc4 Rb4+ $2 (45... Rdb6 $19 46. Rxg3 Rb4+ 47. Kxc5 Nb3+ 48. Rxb3 Rxb3) 46. Kxc5 $11 {The position is equal.} Rdb6 47. Rxd4 R6b5+ 48. Kc6 {Hoping for Rxb4.} Rb6+ 49. Kc5 R6b5+ {Precision: White = 48%, Black = 74%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Ding, Liren"]
[Black "Wang, Hao"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2771"]
[BlackElo "2701"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,113,41,29,31,35,39,27,41,38,37,39,47,47,67,53,77,12,63,58,66,62,65,54,61,62,68,50,59,18,21,19,25,26,81,51,96,96,105,97,141,149,151,157,212,212,211,211,211,205,205,205,205,204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,204,0,204,204,204,204,204,204,904,893,864,663,29968,29970,29972,29973,29968,29965]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 h6 {E05: Open Catalan: 5 Nf3 Be7} 11. Bxf6 Bxf6 12. Nc3 Bxf3 13. Bxf3 c6 14. e3 a5 15. b4 {LiveBook: 9 Games} axb4 16. Qxb4 Ra7 17. a5 Na6 18. Qb6 {[#]} Qa8 $146 19. Ne4 Bd8 20. Qb2 Nb8 21. Nd6 Bxa5 22. Nxb7 (22. Rfb1 $16) 22... Qxb7 (22... Rxb7 $11 23. Rxa5 Qxa5 24. Qxb7 c5) 23. Qxb7 $14 Rxb7 24. Rxa5 Rc8 25. Rc1 Rbc7 26. Ra8 Kf8 27. h4 Ke7 28. h5 Kd6 29. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Ke7 30. e5 $36 {[%mdl 2048] White is pushing.} Rd8 (30... Kd8 $11) 31. Kg2 Rb7 32. Rc4 f6 33. Be4 fxe5 34. dxe5 Rb2 35. Bg6 Nd7 (35... Rb7 $16 {was necessary.} 36. Bh7 Nd7 37. Rxd8 Kxd8) 36. Ra7 $18 {Rf4 is the strong threat.} Re2 {[#]} 37. Re4 $1 {[%cal Re4e2]} ({Much less strong is} 37. Rxc6 Rxe5 38. f4 Rd5) 37... Rxe4 38. Bxe4 {[%mdl 4096] Endgame KRB-KRN} Rc8 39. f4 Kd8 40. Kf3 c5 41. Ke3 Rc7 42. Ra8+ Rc8 43. Ra6 Ke7 44. Ra7 c4 45. Kd2 c3+ 46. Kc2 Kd8 47. Bd3 Rc5 48. Ra8+ Ke7 49. Ra7 Kd8 50. Ra3 Nb6 {Black hopes to continue with ...Nd5.} 51. Rxc3 Rxc3+ 52. Kxc3 {KB-KN} Nd5+ $2 {[#]} (52... Nd7 53. Kd4 Ke7) 53. Kd4 Ke7 54. Be4 Nb4 55. Kc5 {White mates.} Na2 56. Kc4 Nc1 57. Bd3 {Precision: White = 85%, Black = 54%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Fedoseev, Vladimir"]
[Black "Rodshtein, Maxim"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2731"]
[BlackElo "2695"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,78,19,23,-10,-10,-12,-3,-23,0,0,0,-9,-6,-14,-14,-8,13,0,83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,68,0,0,0,0,0,0,0,0,0,0,0,0,-103,-93,-91,-91,-103,-87,-559,-556,-614,-423,-1958,-1936,-1816,-1653,-1662,-1500,-1650,-1516]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 g6 6. O-O Bg7 7. Nc3 Ne4 8. Nxe4 Bxe4 {LiveBook: 81 Games} 9. Ne5 $146 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} ({Predecessor:} 9. Bg5 f6 10. Be3 Nc6 11. Qd2 O-O 12. Rfd1 Ne7 13. Bh6 Bxh6 14. Qxh6 d5 15. Qe3 Nf5 16. Qc3 c6 {1-0 (37) Jakovenko,D (2730)-Ipatov,A (2613) Saint-Quentin 2014}) 9... Bxg2 10. Kxg2 c5 11. Be3 {The position is equal.} Bxe5 12. dxe5 Qc7 13. Bd2 Nc6 14. Bc3 O-O-O ({Don't play} 14... Nxe5 $6 15. f4 $16) 15. f4 h5 16. e3 g5 (16... d5 $11 {keeps the balance.}) 17. Kf2 (17. fxg5 $16 Nxe5 18. h4) 17... h4 18. g4 gxf4 19. exf4 d6 20. exd6 Rxd6 21. Qf3 Rhd8 22. Kg1 Rd3 (22... Nd4 $5 {[%cal Rd4f3]} 23. Qf2 Qc6 $11) 23. Qe4 h3 24. Rae1 Kb7 (24... Qb7 $11) 25. Re3 ({Better is} 25. g5 $14) 25... f5 $11 26. gxf5 Rxe3 27. Qxe3 exf5 28. Qxh3 Rg8+ 29. Kh1 Nd4 30. Bxd4 $1 Qc6+ 31. Qf3 (31. Rf3 $1 $11 cxd4 32. Qh7+ Ka6 33. Qxg8 Qxf3+ 34. Kg1 Qd1+ 35. Kg2) 31... cxd4 $17 {[%cal Bc5d4,Bd4d3,Bd3d2][%mdl 32]} 32. Qxc6+ Kxc6 {[%mdl 4096] Endgame KR-KR} 33. Rg1 Re8 {[%mdl 1024] Black has strong compensation.} 34. b4 $2 {[%mdl 8192] [#]} (34. Rg3 $17 {is a better chance.}) 34... b5 $1 $19 {Black is clearly winning.} 35. c5 {[#]} Kd5 $1 36. Rg7 (36. Rg6 $142 d3 37. h4 (37. Rd6+ $2 Ke4 $19)) 36... d3 37. Rd7+ Kc4 38. Kg2 Kc3 39. h4 d2 {Precision: White = 37%, Black = 72%.} 0-1

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Bu, Xiangzhi"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2714"]
[BlackElo "2756"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,34,26,13,22,6,10,17,9,6,15,0,0,-25,7,7,9,-7,-6,-10,-6,-8,-3,-3,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. dxc3 {LiveBook: 10 Games. A34: Symmetrical English: 2 Nc3, lines with ...d5} Qc7 $146 ({Predecessor:} 6... Qxd1+ 7. Kxd1 Bf5 8. Nd2 Nc6 9. e4 Bg6 10. Bb5 Rc8 11. h4 h5 12. Re1 e6 13. a4 {0-1 (71) Carlsen,M (2822)-Vachier Lagrave,M (2791) Saint Louis 2017}) 7. Bc4 Nc6 8. O-O e6 9. e4 Bd6 10. Bg5 {[%cal Bc1g5,Bg5h4,Bh4e7][%mdl 32]} h6 11. Bh4 (11. Bd2 {is interesting.} O-O 12. Qe2 b6 13. Rad1 Bb7 14. g3) 11... O-O 12. Qe2 {The position is equal.} Na5 13. e5 Nxc4 14. Qxc4 Bxe5 15. Nxe5 Qxe5 16. Be7 Re8 17. Qxc5 Qxc5 {Precision: White = 50%, Black = 83%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Jobava, Baadur"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2702"]
[BlackElo "2792"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,107,6,6,9,8,0,8,0,0,0,6,21,19,10,19,16,19,17,26,19,46,31,38,27,31,32,39,39,39,39,42,42,42,42,42,11,0,0,42,42,69,55,61,61,61,65,70,70,70,70,70,70,77,43,45,56,99,99,99,99,99,99,99,99,99,99,108,108,108,108,108,96,96,96,96,0,96,0,96,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,70,0]} 1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. Nf3 e4 5. Nd4 Nxd4 6. Bxd4 Be7 {A01: Nimzowitsch-Larsen Opening} 7. c4 O-O {LiveBook: 6 Games} 8. Nc3 c5 {The position is equal.} 9. Be5 d6 10. Bg3 Bf5 11. Bh4 $146 ({Predecessor:} 11. Be2 d5 12. cxd5 Nxd5 13. O-O Bf6 14. Rc1 a6 15. h3 Re8 16. a3 Be5 17. Nxd5 Qxd5 18. Qc2 Rac8 19. Bxe5 Qxe5 20. Rfd1 Red8 {½-½ (20) Punzon Moraleda,J (2484)-Yamaliev,V (2470) ICCF email 2014}) 11... Nd7 (11... Ng4 $5 {[%cal Re7h4]} 12. Bg3 Nf6 $11) 12. Bxe7 Qxe7 13. d4 Nb6 14. a4 a5 15. Qd2 Rfd8 16. d5 Bg6 17. h4 Bh5 18. Be2 Bxe2 19. Qxe2 f5 20. f4 exf3 $1 21. gxf3 Re8 22. Kd2 Qf6 23. f4 Re7 24. Rh3 Nd7 25. Rg1 Nb8 26. Qd1 Nd7 27. Rg5 Rf7 28. Kc2 Re8 29. Qd3 h6 30. Rg1 Nf8 31. h5 b6 32. Rhg3 Ree7 33. Nb1 {[%cal Bc3b1,Bb1d2,Bd2f3,Bf3h4][%mdl 32]} Qh4 34. Qf1 Rd7 35. Nd2 Nh7 36. Nf3 Qe7 37. Qd3 Qe4 38. Nh4 Qxd3+ 39. Kxd3 Nf8 40. Ke2 Rf6 41. Kf3 Re7 42. Ng6 Nxg6 43. Rxg6 $16 {[%mdl 4096] Endgame KRR-KRR} Ref7 44. Re1 ({Better is} 44. R6g2 $16) 44... Re7 (44... Rxg6 $11 {remains equal.} 45. hxg6 Re7) 45. Reg1 Ref7 $1 46. Rxf6 (46. R6g2 {feels hotter.} Rd7 47. Kf2 Kf8 48. Ke2 Re7 49. Kd2) 46... Rxf6 {KR-KR. White is slightly better.} 47. e4 fxe4+ 48. Kxe4 Kf7 49. Kf3 Kf8 50. Re1 Kf7 51. Kg4 Kf8 $1 52. Re6 Kf7 $1 53. f5 Kf8 54. Rxf6+ {Precision: White = 68%, Black = 69%.} (54. Kf4 $14) 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.13"]
[Round "4.2"]
[White "Najer, Evgeniy"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2694"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,43,63,52,64,37,37,33,38,42,35,28,26,37,40,37,49,27,39,28,52,0,0,0,0,0,0,0,0,0,-4,-6,25,0,0,0,31,-14,-10,-9,-3,-13,29,16,35,17,14,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,70,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. e5 f6 5. Bb5 Qd7 6. Nf3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} a6 7. Bd3 $146 (7. Bxc6 $5 Qxc6 8. O-O $14) ({Predecessor:} 7. Bxc6 Qxc6 8. exf6 Nxf6 9. Ne5 Qb6 10. O-O Bd6 11. Na4 Qa7 12. Be3 b6 13. b3 {½-½ (41) Hansen,E (2559)-Rapport,R (2691) Caleta 2014}) 7... fxe5 8. dxe5 {White is slightly better.} Nh6 9. O-O g6 10. Bf4 Bg7 11. Qd2 Nf7 {[%cal Rc6e5]} 12. Rfe1 b6 13. a3 Bb7 14. Rad1 Ne7 15. Ng5 (15. Ne2 $14) 15... O-O $11 16. Nxf7 Rxf7 17. Bh6 Raf8 18. Bxg7 Kxg7 19. f3 c5 20. Ne2 Qa4 21. c3 (21. c4 $5) 21... Qh4 22. Rf1 Bc6 23. Bxa6 b5 24. a4 $1 {[%cal Ra4b5]} bxa4 25. Qe3 Rb8 26. Qxc5 Rxb2 27. Nd4 Bd7 28. Rb1 (28. Qa3 $5 {[%cal Ra3b2]} Rb6 29. Bd3 $11) 28... Ra2 (28... Rd2 $5 {[%cal Rh4g5]}) 29. Rb7 Qg5 {[%csl Ga2][%cal Rg5g2]} 30. Be2 {[%cal Ba6e2,Be2f3,Bf3d5][%mdl 32]} Nf5 31. f4 {[#]} Nxd4 $1 {[%mdl 512]} 32. Qxd4 (32. fxg5 $2 {gets mated.} Nxe2+ 33. Kh1 Rxf1+ 34. Qg1 Rxg1#) (32. cxd4 Qf5) 32... Qf5 33. Bf3 {And now Bxd5! would win.} Be8 34. Bxd5 Rxb7 35. Bxb7 Qc2 (35... Qf7 $11 36. Bf3 a3) 36. Qc5 (36. Qd8 $14 Rb2 37. Qxe8 Rxb7 38. Qxe6) 36... Bf7 {The position is equal.} 37. h4 Qb2 38. Bf3 {[#] h5! is the strong threat.} Ra1 $1 {[%cal Ra1f1]} 39. Rxa1 Qxa1+ 40. Kh2 Qc1 41. Kg3 a3 {White must now prevent ...a2.} 42. Qe7 Qxc3 43. h5 gxh5 44. Qf6+ Kg8 {Strongly threatening ...Qd3.} 45. Qd8+ Kg7 46. Qf6+ Kg8 {Threatens to win with ...Qd3.} 47. Qd8+ {Precision: White = 74%, Black = 80%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.3"]
[White "So, Wesley"]
[Black "Jobava, Baadur"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2792"]
[BlackElo "2702"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,131,26,17,34,34,28,0,8,4,0,0,30,28,40,31,40,21,33,15,27,12,35,22,31,36,48,43,65,69,84,88,150,147,141,143,132,127,132,108,119,86,85,93,85,78,157,43,50,0,170,140,233,229,227,247,228,224,241,143,148,137,291,266,230,235,237,232,232,206,212,204,307,320,320,320,316,285,298,201,201,200,200,200,320,320,312,213,312,210,312,244,320,320,320,320,320,320,320,320,320,320,319,312,312,312,312,304,297,288,264,0,9103,9057,4952,4634]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Re8 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} 10. Bf4 {LiveBook: 18 Games} h6 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Na6 11. Rc1 h6 12. Ne5 Bf8 13. Qa4 c5 14. Nb5 Nb4 15. a3 Nc6 16. Qc2 g5 17. Bd2 Nxd4 18. Nxd4 Rxe5 {0-1 (28) Lalith,B (2587)-Jobava,B (2702) Doha 2016}) 11. Ne5 Nbd7 {White is slightly better.} 12. Qa4 {Strongly threatening Nxd7.} Nf8 $1 13. Nc6 Qd7 14. Nxe7+ Rxe7 15. Qxd7 Rxd7 16. Bh3 Re7 17. Nb5 Ng6 18. Be3 Ne4 19. a4 a6 20. Nc3 Nxc3 21. bxc3 Rae8 22. Bg2 c6 23. Ra2 f6 24. Bc1 Nh8 ({Better is} 24... f5) 25. Ba3 $16 Rc7 26. Rb2 b5 27. e4 Nf7 28. Re3 bxa4 29. exd5 Rxe3 30. fxe3 cxd5 {[#]} 31. c4 $1 {[%mdl 512]} Rd7 (31... Nd8 $142) (31... Rxc4 32. Rxb7) 32. Bh3 (32. Rb6 $16) 32... Rc7 $14 33. Bg2 (33. c5 $14) 33... Rd7 $1 $18 {[#]} 34. Rb6 $1 Nd8 (34... h5 $16 35. Kf2 Kh8) 35. cxd5 f5 36. g4 Bxd5 37. gxf5 Bc4 38. Bf1 (38. Be4 $18) 38... Bxf1 $16 39. Kxf1 {[%mdl 4096] Endgame KRB-KRN} a5 $2 (39... Rd5 $16 {keeps fighting.} 40. Rxa6 Rxf5+ 41. Ke2 Nf7) 40. Rb5 Nc6 41. Kf2 Ra7 42. Ke2 Kf7 43. Kd2 Nb4 44. e4 Rc7 (44... g6 $142 45. fxg6+ Kxg6) 45. Rxa5 $18 Rc2+ 46. Kd1 Rc4 47. Ra7+ ({Don't play} 47. Rxa4 $6 Rxd4+ 48. Ke2 Nc6 $18) 47... Kg8 48. Rxa4 Rxd4+ 49. Ke2 Rxe4+ 50. Kf3 Re5 (50... Rc4 $142 51. Bxb4 Kh7) 51. Rxb4 Rxf5+ {KRB-KR} 52. Rf4 Ra5 (52... Rh5 {was worth a try.}) 53. Bb4 Rb5 (53... Ra2 $142 54. Kg3 g5) 54. Bc3 Rb7 55. Rc4 Rf7+ 56. Ke4 Kh7 57. Be5 Rf1 58. Rc7 Rg1 59. Kf5 Rg5+ 60. Ke6 Kg8 61. Rc3 {aiming for Rg3.} Rg6+ 62. Kf5 Rg5+ 63. Kf4 Rg1 64. Kf5 $2 (64. Rc7 $18) 64... Rf1+ $2 {[%mdl 8192]} (64... Rg5+ $11 65. Ke4 Rg2) 65. Kg6 {Threatening mate with Rc8+.} Rg1+ 66. Bg3 {Precision: White = 69%, Black = 47%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.3"]
[White "Grischuk, Alexander"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2788"]
[BlackElo "2804"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,16,20,61,52,60,49,39,43,34,-8,-10,-9,-2,0,0,-25,0,-22,27,17,22,0,35,0,0,15,60,34,53,27,78,46,45,42,52,8,7,10,42,6,6,0,7,0,50,54,70,92,86,147,114,42,37,8,31,8,58,8,8,8,198,0,0,0,204,181,302,109,156,122,121,103,95,8,20,0,0,0,8,8,8]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 {[%cal Be7e5,Be5e4][%mdl 32]} 4. e3 Nf6 5. d4 e4 6. d5 {A34: Symmetrical English: 2 Nc3, lines with ...d5} exf3 7. dxc6 fxg2 (7... bxc6 8. Qxf3 d5 9. cxd5 Bg4 10. Qf4 cxd5 11. Bb5+ Bd7 12. O-O Be7 13. Qa4 {½-½ (25) Hou,Y (2652)-Vachier Lagrave,M (2795) Moscow 2017}) 8. cxd7+ {LiveBook: 5 Games} Bxd7 9. Bxg2 g6 $146 ({Predecessor:} 9... Qc7 10. Qb3 Bc6 11. Nd5 Bxd5 12. cxd5 Bd6 13. Qa4+ {0-1 (54) Suba,M (2535)-Wedberg,T (2500) Dortmund 1983}) 10. b3 Bg7 11. Bb2 O-O 12. Qd2 Qc7 13. O-O-O {[%cal Be1c1,Bc1b1,Bb1a2][%mdl 32]} Bg4 14. f3 $1 {[%cal Rf3g4]} Rad8 15. Qe2 {[#] Threatens to win with Rxd8.} Be6 16. f4 Qe7 17. Bf3 h5 18. Kb1 Bh6 19. a4 Rxd1+ 20. Rxd1 Rd8 21. Rxd8+ Qxd8 22. Ka2 Qd7 (22... b6 $11) 23. Nb5 Bg7 24. e4 Ne8 {[%cal Bf6e8,Be8g7,Bg7h5][%mdl 32]} 25. Bxg7 Nxg7 26. Nxa7 Bg4 $1 {[%cal Rg4f3]} 27. Bxg4 hxg4 28. Nb5 Nh5 29. f5 {Hoping for fxg6.} gxf5 (29... Nf4 $5 {[%cal Rf4e2]} 30. Qe3 g5 $16) 30. exf5 Qxf5 31. Nd6 Qd7 32. Qe5 b6 {[#]} 33. a5 (33. Ka3 $1 $16) 33... bxa5 $14 34. Qxc5 Ng7 35. Qd5 (35. Qe5 {with more complications.} Ne6 36. Ne4 Kf8 37. Nf6 Qd2+ 38. Qb2) 35... Ne6 36. c5 (36. Nf5 $5 {[%cal Rd5d7]} Qxd5 37. cxd5 $11) 36... Qc7 37. Qa8+ Nf8 $2 (37... Nd8 $11) 38. Qd5 $2 (38. Qe8 $18) 38... Ne6 $11 39. Qa8+ $2 (39. Qh5 $11) 39... Nf8 $18 40. Qe8 f6 (40... Qd7 $142 41. Qxd7 Nxd7) 41. b4 $2 (41. Qh5 $18 {and the rest is easy.}) 41... Qh7 42. Qe2 ({Stronger than} 42. bxa5 Qc2+ 43. Ka1 Qc1+ 44. Ka2 Qc2+ 45. Ka1 Qc1+ 46. Ka2 Qc2+ $11) 42... axb4 43. Qxg4+ Kh8 44. Kb3 (44. Qf5 $16 Qxh2+ 45. Kb3) 44... Nd7 $11 {The position is equal.} 45. Qxb4 Qd3+ 46. Kb2 {And now Qh4+ would win.} Ne5 47. Qh4+ Kg8 {Precision: White = 35%, Black = 54%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.3"]
[White "Fedoseev, Vladimir"]
[Black "Rodshtein, Maxim"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2731"]
[BlackElo "2695"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,149,31,22,22,20,5,10,10,27,22,15,6,45,36,46,32,56,56,91,95,87,47,67,52,61,41,50,43,93,99,175,172,160,154,149,19,19,20,22,17,54,31,50,25,21,15,21,22,22,22,19,18,18,22,17,16,29,0,64,64,70,64,73,73,73,73,104,89,110,110,110,108,129,128,152,144,146,138,159,157,157,152,151,143,143,147,171,162,148,161,169,120,135,120,125,112,112,112,112,112,112,112,135,112,156,133,126,119,166,157,119,119,162,135,160,119,119,119,119,119,183,112,335,323,308,304,721,685,704,702,9180,8536,5453,5092]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Re8 7. Bg5 {[%cal Bc1g5,Bg5h4,Bh4g3][%mdl 32]} (7. Nbd2 a6 8. Bxc6 dxc6 9. Nc4 Bg4 10. h3 Bh5 11. Bg5 b5 12. Na5 Qd7 13. Bxf6 gxf6 {0-1 (66) Caruana,F (2807)-Nakamura,H (2792) Saint Louis 2017}) 7... h6 8. Bh4 a6 9. Bxc6 dxc6 {LiveBook: 3 Games} 10. h3 Ba7 $146 ({Find the theoretical novelty and annotate with similar games:} 10... Bd6 11. Nbd2 b5 12. Re1 c5 13. a4 Bb7 {½-½ (33) Padmini,R (2454)-Shen,Y (2459) Chengdu 2015}) 11. Bg3 Nd7 12. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3d5][%mdl 32]} b5 13. Qc2 c5 14. Rfe1 c6 15. Nf1 Qf6 16. Ne3 Nf8 17. a4 Ng6 18. axb5 cxb5 19. Nd5 Qc6 20. c4 Bb8 21. cxb5 Qxb5 22. Rec1 Be6 23. Qxc5 Qxd3 (23... Bxd5 $16 24. Qxb5 (24. Qxd5 Qxd5 25. exd5 Ne7 $16) (24. exd5 Qxc5 25. Rxc5 f6 $16) 24... axb5) 24. Qc6 $18 Ba7 25. Nc7 $1 {[%cal Rc7e8]} ({Worse is} 25. Bxe5 Nxe5 26. Nxe5 Bxf2+ 27. Kxf2 Qd4+ 28. Kf1 Qxe5 $17) 25... Rec8 26. Kh2 (26. Qa4 $1 $16) 26... Rab8 $1 $11 27. Rc3 Qe2 28. Rc2 Qd3 29. Ra3 Rb3 30. Rc3 Rxc3 31. Rxc3 Qe2 32. Rc2 Qd3 {Threatening ...Bd7.} (32... Qf1 33. Qb7 $16) 33. Rd2 Qb3 34. Nxe5 Nxe5 35. Bxe5 Bb6 36. Rc2 Kh7 37. Qc3 Bxc7 ({Black should try} 37... Qxc3 $1 $11 38. Rxc3 Bxf2) 38. Bxc7 $14 Qb7 39. Qe5 Qb3 40. Rd2 Qc4 41. Bb6 Re8 42. f3 Qb4 43. Bd4 {[%csl Gd4][%cal Re5g7]} f6 44. Bc3 {Strongly threatening Qxe6.} Qb7 45. Qf4 Qc6 46. e5 f5 47. Rd6 Qc8 48. Qa4 Bc4 49. Rc6 Bb5 50. Rxc8 {Intending Qf4 and mate.} Bxa4 $16 {[%mdl 4096] Endgame KRB-KRB} 51. Rc7 Re6 52. g4 Bc2 53. Kg3 Kg8 54. Bd4 Bb1 55. Rc1 Bd3 56. Kf4 fxg4 57. hxg4 g5+ 58. Ke3 Bb5 59. Rc7 Bc6 60. b4 Bd5 61. Bc5 Rc6 62. Ra7 Be6 63. Ke4 Bf7 64. Ra8+ Kg7 65. Kd4 Be6 66. Ra7+ Kg8 67. Re7 Bf7 68. Rd7 Be6 {[#]} (68... Bb3 $16 {might work better.} 69. Ra7 Bf7) 69. Rd8+ $1 $18 Kf7 $2 (69... Kh7 $16 70. Rb8 Kg6) 70. Rf8+ Kg7 {...Rxc5! is the strong threat.} 71. Rf6 Bd7 $2 (71... Kg8 72. Rxh6 Bd5) 72. Bf8+ {White is clearly winning.} Kg8 73. Bxh6 Rxf6 74. exf6 Bc6 {[#]} 75. Ke3 $1 {Precision: White = 71%, Black = 37%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.3"]
[White "Bu, Xiangzhi"]
[Black "Svidler, Peter"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "2714"]
[BlackElo "2756"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,81,27,27,19,32,24,32,27,34,34,30,58,27,24,-8,-1,-29,-30,-38,-39,-34,-32,-38,-34,-27,-27,-29,-34,-39,-40,-120,-118,-158,-156,-148,-150,-162,-188,-164,-143,-189,-174,-232,-232,-212,-119,-118,-119,-119,-119,-99,0,-105,-81,-81,-81,-74,-77,-150,-130,-130,-130,-121,-83,-579,-543,-29999]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bf4 d5 7. e3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} Bb4 8. Be2 O-O 9. O-O {LiveBook: 4 Games. White has an edge.} Bxc3 10. bxc3 Re8 11. Bg5 {[%cal Bf4g5,Bg5h4,Bh4g3][%mdl 32]} h6 12. Bh4 $146 ({Find the theoretical novelty and annotate with similar games:} 12. Bxf6 Qxf6 13. cxd5 exd5 14. Qb3 Rd8 {0-1 (68) So,W (2773)-Vachier Lagrave,M (2744) Baku 2015}) 12... g5 13. Bg3 Ne4 14. Qc2 e5 15. Nxc6 bxc6 16. cxd5 cxd5 17. Rfd1 Bf5 18. Qb3 Rb8 $36 {[%mdl 2048] Black has some pressure.} 19. Rxd5 Qc7 20. Qc4 Qxc4 21. Bxc4 Be6 22. Rxe5 Nxg3 ({And not} 22... Bxc4 23. Rxe4 $1 {[%mdl 512]} Rxe4 24. Bxb8 $16) 23. Rxe6 ({White should play} 23. Bb5 $15 Rxb5 24. Rxb5 Ne2+ 25. Kf1 Nxc3 26. Rc5) 23... Ne2+ $17 24. Kf1 fxe6 25. Bxe2 {[%mdl 4096] Endgame KRR-KRB} Rec8 26. Bd1 Rb2 27. Bb3 Kf7 28. Rd1 Rxc3 29. g4 (29. h3 $142) 29... Ke7 $19 30. Rd4 {[#]} a5 (30... Rc8 $1 $19 {[%cal Rc8f8] White must now prevent ...Rf8.} 31. Ra4 Rf8 32. Rxa7+ Kd6 33. Ra6+ Kc5) 31. Re4 $17 Rc6 32. Kg2 Kf6 33. Rd4 Ke7 34. Re4 $1 Rd6 35. Kg3 Kf6 36. f4 Rb1 37. Re5 {[#]} (37. h4 $142) 37... a4 $1 {[%mdl 512]} 38. Bxa4 gxf4+ 39. Kxf4 Rd3 {Strongly threatening ...Rf1+.} 40. Ra5 $2 {[%mdl 8192]} (40. Bb5 $17 {is tougher.} Rb4+ 41. Kf3) 40... Ra3 41. e4 {Now e5+ and White clings on.} Rf1# {Precision: White = 42%, Black = 63%.} 0-1

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.3"]
[White "Najer, Evgeniy"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2694"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,93,42,50,46,70,55,48,24,47,39,33,39,33,11,10,1,2,3,11,12,8,8,13,10,15,5,52,36,70,72,62,-83,48,12,86,79,83,87,114,113,97,81,80,78,78,62,81,81,78,84,70,45,57,63,65,56,53,56,43,0,0,0,0,0,24,24,33,0,0,0,0,0,0,0,2,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d6 6. c3 g6 7. d4 Qe7 8. Re1 Bg7 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32] C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} Nh7 (9... O-O 10. h3 Kh8 11. a4 Bd7 12. a5 a6 13. Bd3 Rae8 14. Nf1 Nh7 15. dxe5 dxe5 16. b3 Nb8 17. Ne3 Be6 18. Ba3 {1-0 (34) Radjabov,T (2710)-Amin,B (2662) Doha 2016}) 10. Bb5 $146 ({Predecessor:} 10. dxe5 dxe5 11. Nf1 Nd8 12. a4 Ng5 13. Ne3 Nde6 14. b3 Qf6 15. Nxg5 hxg5 16. Nd5 Qd8 {1-0 (56) Yilmaz,M (2362)-Biryukov,A (2138) Herceg Novi 2008}) 10... Bd7 11. Nb3 {White is slightly better.} (11. d5 $5 {[%cal Rd5c6]} Nb8 12. Bd3 $14) 11... O-O 12. Bxc6 Bxc6 13. Na5 Qe8 14. dxe5 dxe5 15. a4 Rd8 16. Qb3 b6 17. Nxc6 Qxc6 18. Qb5 Rd6 19. Be3 Rfd8 20. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Qd7 21. c5 $1 $36 {[%cal Rc5d6][%mdl 2048] Black is under pressure.} Rd3 22. Qa6 Qc6 23. Bxh6 {[#]} (23. a5 $14 {stays ahead.}) 23... Qxc5 (23... Rxf3 $1 $17 24. Bxg7 Kxg7 25. gxf3 Ng5) 24. Rac1 Qb4 (24... Qe7 $11 25. Be3 (25. Bxg7 Kxg7 26. Qxa7 Rxf3 $17) 25... c5) 25. Bxg7 $16 Kxg7 26. Nxe5 R3d6 27. Qxa7 Ng5 28. h4 Ne6 29. Qa6 Rh8 30. g3 Rh5 31. Nd3 Qd4 32. Re3 Ra5 33. Qb7 {Black must now prevent b3.} Rxa4 34. e5 Qd5 35. Qxd5 Rxd5 36. Rc6 Rad4 37. Nf4 (37. Ne1 {feels hotter.} Rb5 38. b3 Rd1 39. Kg2 Rb1 40. Rcc3) 37... Nxf4 38. gxf4 Rxf4 39. Rxc7 $11 {[%mdl 4096] Endgame And now e6 would win. KRR-KRR} Kh6 40. Kg2 Rf5 41. Re7 Rd4 {The position is equal.} 42. Kg3 Kh5 43. f3 {Strongly threatening Re4.} Rxh4 44. Rb3 Rhf4 45. e6 (45. Rxf7 $5 Rxf7 46. e6 $11) 45... fxe6 46. Rxe6 b5 47. Ree3 {Precision: White = 53%, Black = 53%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.4"]
[White "Vachier-Lagrave, Maxime"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2804"]
[BlackElo "2788"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,52,27,13,16,12,13,0,0,0,16,0,47,-3,40,34,33,33,47,51,50,43,33,37,50,44,37,30,26,39,35,32,55,43,33,0,39,0,64]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 h6 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} O-O 9. h3 {LiveBook: 56 Games} (9. b4 $5 {[%cal Rb4c5]} Ba7 10. Nbd2 $11) 9... a5 (9... Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 {1-0 (41) Anand,V (2786)-So,W (2812) Leuven 2017}) 10. Nbd2 Be6 11. Bb5 $146 Ne7 12. d4 exd4 13. Nxd4 Ng6 14. N2f3 c6 15. Nxe6 fxe6 16. Bc4 d5 17. exd5 exd5 18. Bd3 Ne4 19. Be3 $1 {[%cal Re3c5]} Bxe3 20. Rxe3 Nf4 21. Bxe4 dxe4 22. Rxe4 Qf6 {White should prevent ...Qg6.} 23. Re3 Nd5 24. Re1 Nf4 25. Re3 Nd5 $1 {[%cal Rd5e3]} 26. Re1 Nf4 $1 {Precision: White = 60%, Black = 88%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.4"]
[White "Svidler, Peter"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2756"]
[BlackElo "2714"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,45,72,76,91,76,86,86,104,90,224,230,219,223,289,300,527,515,767,758,734,602,585,600,599,597,589,611,617,621,616,597,568,409,375,324,313,320,350,283,353,343,355,306,413,337,412,400,394,399,421,418,420,417,409,408,435,408,430,418,433,417,454,451]} 1. Nf3 f5 2. d3 d6 3. e4 e5 4. Nc3 Be7 (4... Nf6 5. exf5 Bxf5 6. d4 e4 7. Nh4 Bg4 8. Be2 Bxe2 9. Qxe2 d5 10. Bg5 Bb4 11. O-O O-O 12. Nf5 Nc6 {½-½ (36) Grischuk,A (2783)-Ponomariov,R (2731) Beijing 2013}) 5. d4 fxe4 6. Nxe4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} d5 7. Neg5 $146 ({Predecessor:} 7. Nxe5 dxe4 8. Bc4 Nf6 9. Nf7 Bg4 10. f3 exf3 11. gxf3 Bb4+ 12. c3 {1-0 (28) Borik,O (2415)-Renner,C (2437) Germany 1999}) 7... exd4 8. Bd3 {White is better.} Qd6 9. Nxd4 c5 {[#]} (9... Nf6 $16) 10. Nb5 $1 $18 {[%cal Rb5d6]} Qe5+ 11. Be3 {aiming for Nf3.} Na6 12. O-O {Black must now prevent Re1.} ({Inferior is} 12. Nxh7 Bf5 $11) 12... Nf6 $2 (12... Bxg5 13. Qh5+ Kf8) 13. Re1 Bg4 14. Qd2 Ne4 15. Nxe4 dxe4 16. Bf4 Qf6 17. Rxe4 O-O 18. Rae1 Rad8 19. Rxe7 Qxf4 20. Qxf4 Rxf4 21. Rxb7 Nb4 22. f3 Nxd3 23. cxd3 Bf5 24. Ree7 ({Don't take} 24. Rxa7 Bxd3 25. Nc3 Rf7 $18) 24... Bxd3 25. Rxg7+ Kh8 26. Rgc7 Bg6 27. h3 Rb4 28. Nxa7 Rxb7 29. Rxb7 {[%mdl 4096] Endgame KRB-KRN} Rd1+ 30. Kh2 Bd3 31. Rd7 c4 32. Nc6 Rb1 33. Ne5 Bf1 34. Rd2 Ra1 35. a3 Ra2 36. Rf2 {Precision: White = 97%, Black = 53%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.4"]
[White "Jobava, Baadur"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2702"]
[BlackElo "2792"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,81,9,10,23,29,20,55,0,-7,-20,0,-32,-5,-54,-52,-54,-48,-54,-54,-46,-51,-55,-49,-50,-49,-52,-47,-71,-67,-80,-31,-135,-132,-145,-122,-136,-150,-145,-144,-148,-143,-160,-104,-82,-88,-78,-77,-148,-121,-121,-110,-102,-107,-105,-47,-56,-64,-64,-64,-59,0,-60,0,-60,0,-53]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (8. Bd3 Nc6 9. Qe2 Bg4 10. h3 Bxf3 11. Qxf3 Ne5 12. Qxb7 Rb8 13. Qxa7 Rxb2 14. O-O Bf6 15. a4 Qc8 {½-½ (39) Anand,V (2783)-So,W (2810) Leon 2017}) 8... Nd7 {[%cal Bb8d7,Bd7e5,Be5d3][%mdl 32]} 9. O-O-O c6 {LiveBook: 31 Games} 10. Bd3 Qa5 11. a3 $146 ({Predecessor:} 11. Kb1 Ne5 12. Nxe5 dxe5 13. Bc4 b5 14. Bb3 b4 15. cxb4 Bxb4 {1-0 (36) Kassay,K (2072)-Kovacs,M (2141) Hungary 2015}) 11... Ne5 12. h4 ({Better is} 12. Nxe5 $14 dxe5 13. Kb1) 12... Nxd3+ $11 13. Qxd3 Bf5 14. Qd4 Rfe8 15. g4 Bf6 16. Qf4 Be4 17. Rxd6 Qa4 {[%csl Ge4][%cal Ra4c2] [#]} 18. Rd3 $1 {[%mdl 512]} b5 $40 {[%mdl 128] ...b4 is the strong threat. White needs to defend precisely.} (18... Bxd3 19. Qxa4) 19. g5 Bxd3 {[%csl Gd3][%cal Ra4c2]} 20. Qxa4 bxa4 21. cxd3 Bd8 22. Nd2 Bb6 23. Ne4 Re5 24. Rg1 (24. Bd2 $1 $15) 24... Bxe3+ $17 25. fxe3 {[%mdl 4096] Endgame [#] KRR-KRN} Rf5 $1 26. Rg4 Rf3 27. Nc5 Rxe3 28. Rxa4 Re2 29. Ra6 {[#]} f5 (29... Rh2 $142 $1 30. Rxc6 Rxh4) 30. gxf6 gxf6 31. Rxc6 f5 32. Nd7 (32. Rf6 $142) 32... Rd8 33. Nf6+ Kf7 34. Nxh7 Rxd3 35. Ng5+ Ke7 (35... Ke8 $17 36. Rc4 Rg3) 36. Ra6 $1 $15 f4 {Threatens to win with ...Rg3.} 37. Rxa7+ Ke8 {Hoping for ...f3.} 38. Ra8+ $1 Ke7 {[%mdl 1024] White must now prevent ...Rg3. Black has compensation.} 39. Ra7+ Ke8 {aiming for ...f3.} 40. Ra8+ $1 Ke7 {And now ...Rg3 would win.} 41. Ra7+ {Precision: White = 41%, Black = 64%.} 1/2-1/2

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.4"]
[White "Rodshtein, Maxim"]
[Black "Fedoseev, Vladimir"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2695"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,86,-22,-22,-60,-14,0,-8,-61,32,30,29,-22,40,21,22,18,61,15,50,50,169,39,55,0,58,4,11,0,22,8,75,13,17,0,0,-17,10,0,12,0,50,29,49,45,32,31,28,-88,35,0,177,16,173,0,0,-80,-90,-298,-217,-213,0,0,0,0,0,0,-14,-281,-221,-797,-643,-961,-925]} 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 {LiveBook: 9 Games. The position is equal.} 9. Ne1 (9. Qc2 O-O 10. b3 c3 11. Nb1 bxa4 12. bxa4 Bb7 13. Nxc3 c5 14. dxc5 Nbd7 15. Rd1 Qe7 16. Nb5 {½-½ (16) Yu,Y (2749)-Yilmaz,M (2630) Khanty-Mansiysk 2017}) 9... Nd5 $146 ({Predecessor:} 9... Ra6 10. Nc2 Be7 11. e4 O-O 12. e5 Nd5 13. Ne4 Nd7 14. Qg4 f5 15. exf6 {½-½ (15) Papaioannou,I (2624)-Vidit,S (2563) Vrachati 2013}) 10. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nb6 11. Nc2 ({White should try} 11. Qg4 $11 Qxd4 12. Ndf3) 11... bxa4 (11... c3 $15 12. Nf3 cxb2 13. Bxb2 bxa4) 12. e5 $1 $14 Be7 13. Qg4 (13. Ne4 $142) 13... g6 (13... Kf8 $1 $11) 14. Ne4 {[%mdl 1024] White has compensation.} h5 15. Qf3 h4 16. Rd1 Ba6 17. Ne3 Rh5 (17... Kf8 $14) 18. g4 (18. Ng4 $18 Rf5 19. Ngf6+ Bxf6 20. Nxf6+ Qxf6 21. exf6 Rxf3 22. Bxf3) 18... Rh7 19. g5 (19. Bd2 $14) 19... N8d7 (19... Bb5 $1 $11) 20. Ng4 (20. Nf6+ $14 Bxf6 21. gxf6 (21. exf6 h3 $14)) 20... Bb5 $1 $11 21. Bh3 Rh8 22. Nh6 {[%csl Gh6][%cal Rf3f7] [#]} Rf8 (22... Rh7 $11 {keeps the balance.}) 23. Qg4 (23. Re1 $16) 23... Qc7 $1 24. Qxh4 {And now Nxf7! would win.} O-O-O $1 25. Bd2 Nd5 26. Qg3 Qb6 27. Bc3 c5 28. Bg2 Nxc3 29. bxc3 cxd4 30. cxd4 {[%cal Bc3d4,Bd4d5][%mdl 32]} Nb8 31. Nc3 (31. Qg4 $11 {remains equal.}) 31... Bb4 (31... Rxd4 $17 32. Rxd4 Qxd4) 32. d5 a3 $2 (32... Bxc3 $11 {and Black stays safe.} 33. Qxc3 exd5) 33. Rdc1 $2 ({Better is} 33. Nxb5 $18 Qxb5 34. d6) 33... Ba6 $2 {[#]} (33... Bxc3 $11 34. Qxc3 exd5) 34. Rab1 $2 (34. Na4 $1 $18 {[%cal Ra4b6]} Qd4 35. d6) 34... Nd7 35. Bf1 (35. Na4 $11 Qb5 36. Nc3) 35... Nc5 $36 {[%mdl 2048] Keeping White busy.} 36. Qf3 $2 (36. Ng4 $17) 36... exd5 37. Nxd5 Rxd5 $2 (37... Qb7 $19 38. Bg2 a2) 38. Qxd5 $11 Bb7 39. Qxc4 Qc6 {[%csl Gb7][%cal Rc6h1]} 40. Qg4+ Kb8 {[%csl Gb7][%cal Rc6h1]} 41. f3 $2 {[%mdl 8192]} (41. Bg2 $11 Qxg2+ 42. Qxg2 Bxg2 43. Kxg2) 41... Qd5 42. Bg2 $2 (42. Bc4 Qxe5 43. Qg3 Qxg3+ 44. hxg3) 42... Nb3 43. Rd1 a2 {Precision: White = 14%, Black = 44%.} 0-1

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.4"]
[White "Rapport, Richard"]
[Black "Najer, Evgeniy"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2675"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,99,16,12,22,24,26,29,0,0,-29,-19,-19,-16,-25,18,18,22,8,29,30,15,19,70,45,41,0,86,60,68,71,61,0,0,0,129,120,131,62,81,0,127,31,25,41,32,35,37,53,43,58,68,36,50,36,59,36,36,36,36,36,36,36,36,36,36,36,70,68,61,36,127,121,110,92,100,95,93,71,114,79,187,0,240,235,998,998,858,969,4578,4368,29988,29989]} 1. Nf3 d5 2. c4 d4 3. b4 Bg4 4. g3 Bxf3 5. exf3 e5 (5... e6 6. Qb3 a5 7. b5 Nd7 8. Bg2 Nc5 9. Qc2 h5 10. d3 h4 11. f4 Nh6 {½-½ (40) Caruana,F (2807)-Anand,V (2783) Saint Louis 2017}) 6. Bg2 {A09: Réti Opening: 1 Nf3 d5 2 c4} Nd7 7. a3 a5 $146 ({Predecessor:} 7... Ne7 8. d3 Ng6 9. O-O Be7 10. f4 exf4 11. Bxb7 Rb8 {0-1 (48) Injac,T (2215)-Ratkovic,M (2382) Paracin 2016}) 8. b5 {White has an edge.} Bd6 9. f4 exf4 10. Bxb7 Rb8 11. Bg2 Ngf6 12. d3 Qe7+ 13. Kf1 Nc5 14. Bc6+ Kf8 15. Ra2 Nfd7 (15... Qe6 $11) 16. gxf4 Qf6 17. Nd2 (17. Bxd7 $5 Nxd7 18. Nd2 $11) 17... Qxf4 (17... Bxf4 $11 {keeps the balance.} 18. Bxd7 Nxd7) 18. Ne4 Qf5 19. h4 h5 20. Bg5 ({Reject} 20. Nxd6 $6 cxd6 21. Bxd7 Nxd7 $11) (20. Re2 $14) 20... Ne5 $11 21. Nxc5 Bxc5 (21... Nxc6 $11 22. Na6 Ra8) 22. Be4 $16 Qe6 23. Bd5 (23. Re2 $16) 23... Qf5 $14 24. Be4 Qe6 $1 25. f3 ({Better is} 25. Re2 $16) 25... Rxb5 26. Bd5 Qd6 27. Bxf7 Rb7 28. Bd5 c6 29. Be4 Bxa3 30. Qa4 Bb4 31. f4 Rf7 32. Kg2 Ng4 33. Qxc6 $40 {[%mdl 128] White is up to no good.} Qxc6 34. Bxc6 Ne3+ 35. Kf3 {Strongly threatening Be4.} g6 $1 36. Be4 Kg7 37. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} Ng4 38. c6 Rc8 39. Rc1 Bc3 (39... Ne3 $14) 40. Bd5 $16 Ne5+ 41. Ke2 Nxc6 42. Bxf7 Kxf7 {[#]} 43. Rb1 $1 Re8+ 44. Kf1 Re3 (44... Bb4 $16) 45. Rb6 $2 ({White should play} 45. Rb7+ $18 Kf8 46. Rf2) 45... Nb4 $2 {[#]} (45... Re1+ $1 $11 {and Black stays safe.} 46. Kg2 Nb4 47. Rb7+ (47. Rxa5 Re2+ 48. Kf1 Re1+ 49. Kg2 Re2+ 50. Kf1 Re1+ 51. Kg2 $11) 47... Kg8 48. Rb8+ Kf7 49. Rb7+ (49. Rxa5 Re2+ 50. Kh1 Re1+ 51. Kg2 Re2+ 52. Kf3 Re3+ 53. Kg2 Re2+ $11) 49... Kg8 50. Rxa5 Re2+ 51. Kh3 Re3+ 52. Kg2 Re2+ 53. Kh3 Re3+ 54. Kg2 Re2+) 46. Re2 $1 $18 {And now f5! would win.} ({Weaker is} 46. Rxa5 Re1+ 47. Kg2 Re2+ 48. Kf3 Re3+ 49. Kg2 Re2+ 50. Kf3 Re3+ 51. Kg2 Re2+ $11) 46... Nxd3 $2 {[#]} (46... Nd5 47. Rb7+ Kg8) 47. f5 $1 {[%cal Bf4f5,Bf5g6][%mdl 544]} Rxe2 (47... gxf5 48. Bxe3) 48. fxg6+ ({Not} 48. Kxe2 Ne5 $16) 48... Kg7 49. Kxe2 Nc1+ 50. Bxc1 {Precision: White = 59%, Black = 42%.} 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.5"]
[White "Vachier-Lagrave, Maxime"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2804"]
[BlackElo "2788"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

1. e4 {Program Activation Required} e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 h6 8. Re1 {C54: Italienische Partie (Hauptvariante)} O-O 9. h3 a5 (9... Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 {1-0 (41) Anand,V (2786)-So,W (2812) Leuven 2017}) 10. Nbd2 Be6 11. Bb5 $146 Ne7 12. d4 exd4 13. Nxd4 Bd7 14. Nf1 Ng6 15. Ng3 Re8 16. Bc4 c6 17. Be3 Qc7 18. Ba2 Re5 19. Qc2 Rae8 20. Nf3 R5e7 21. Bxc5 dxc5 22. Rad1 Bc8 23. Bc4 Qf4 24. Qd2 Be6 25. Bxe6 Rxe6 26. Qxf4 Nxf4 27. e5 N6d5 28. Ne4 Rg6 29. Nh4 Rge6 30. Nd6 Rb8 31. g3 Nxh3+ 32. Kg2 Ng5 33. f4 Nh7 34. f5 Re7 35. c4 Nc7 36. e6 fxe6 37. Ng6 Rd7 38. fxe6 Rdd8 39. Ne7+ Kf8 40. Nxc6 Rxd6 41. Nxb8 Ke7 42. Rxd6 Kxd6 43. Rd1+ Kxe6 44. Rd7 1-0

[Event "FIDE World Cup 2017"]
[Site "Tbilisi"]
[Date "2017.09.14"]
[Round "4.6"]
[White "Grischuk, Alexander"]
[Black "Vachier-Lagrave, Maxime"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2788"]
[BlackElo "2804"]
[Annotator "TA"]
[PlyCount "187"]
[EventDate "2017.??.??"]
[EventType "k.o."]
[EventCountry "GEO"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,187,20,21,17,37,31,37,35,57,20,31,31,30,12,23,0,9,0,25,-48,-48,-45,43,49,75,6,4,4,2,2,2,2,2,2,8,5,12,13,47,16,24,17,57,57,75,60,70,66,165,130,183,183,183,183,183,183,183,183,183,183,12825,12836,12844,12847,12819,29943,29950,29947,12845,29939,12838,29941,12841,29950,12833,12797,12797,29950,12850,29944,12827,29954,29952,29950,29945,29944,29946,12767,12767,29951,29950,29950,29953,29956,29958,29959,29960,29962,29961,29960,29958,29940,29942,12845,29941,0,0,0,11825,187,187,187,187,187,187,187,187,187,187,0,187,0,187,187,187,187,187,187,187,187,187,186,186,0,186,186,186,0,186,186,186,186,186,186,186,32,32,32,32,32,32,32,32,32,32,32,32,28,28,28,28,28,28,28,28,28,28,28,28,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. d3 Nge7 5. g3 d5 6. cxd5 Nxd5 7. Bg2 Nc7 8. O-O Be7 9. Nd2 O-O 10. Bxc6 {A34: Symmetrical English: 2 Nc3, lines with ...d5} (10. Nc4 f6 11. Bxc6 bxc6 12. Qa4 Bd7 13. Qa5 Bh3 14. Re1 Qd7 15. Be3 Ne6 16. Rac1 Rab8 17. b3 Rfe8 18. f3 Bf5 19. Na4 Rb4 {0-1 (38) Pantsulaia,L (2606)-Jakovenko,D (2723) Yerevan 2014}) 10... bxc6 {LiveBook: 13 Games} 11. Qa4 Rb8 12. Nc4 $146 {White is slightly better.} ({Predecessor:} 12. Qxc6 Rb6 13. Qa4 Rb4 14. Qd1 Bh3 15. Re1 f5 16. Nc4 f4 17. a3 Rb8 {½-½ (80) Golda,H (2290)-Schmid,G (2268) Freising 2001}) 12... Rb4 13. Qa5 f6 14. b3 Bh3 15. Re1 Qb8 16. Ba3 Rb5 17. Nxb5 cxb5 {[%cal Bc6b5,Bb5b4][%mdl 32]} 18. Ne3 {next Rac1 is good for White.} Qb7 19. f3 (19. Bb2 $11) 19... b4 $1 $15 {[%mdl 1024] Black has compensation.} 20. Bb2 Na6 (20... Ne6 $1 $15) 21. g4 $1 $14 h5 22. a3 (22. gxh5 $2 Bd8 $19) (22. a4 $1 $16) 22... Bd8 $11 23. Qa4 hxg4 24. axb4 (24. fxg4 c4 $1 $17 {[%mdl 512]}) 24... Nxb4 25. Qxa7 ({Don't play} 25. fxg4 c4 $1 $17 {[%mdl 512]}) 25... Qxa7 26. Rxa7 gxf3 27. Kf2 {Threatening Rg1.} fxe2 28. Kxe2 Be6 (28... Nc6 $5 {[%cal Rc6a7]} 29. Rb7 Bc8 $14) 29. Bc3 Bxb3 30. Rb1 $36 {[%mdl 2048] Black is under pressure.} Bf7 31. Bxb4 cxb4 32. Rxb4 f5 $1 33. Rb8 e4 (33... f4 $1 $14 34. Ng4 Be6) 34. Raa8 exd3+ (34... Bh5+ $16 35. Kd2 (35. Kf1 Be7 $18) 35... Ba5+ 36. Kc2 (36. Rxa5 Rxb8 37. dxe4 Bf3 $11) 36... exd3+ 37. Kxd3 Rxb8 38. Rxb8+ Kh7 39. Nxf5 Bc7) 35. Kxd3 $18 Be7 36. Nxf5 Bg6 37. Rxf8+ Bxf8 {[%mdl 4096] Endgame KRN-KB} 38. Ke4 Kf7 39. Ke5 Bxf5 $2 (39... Bh5 40. Rb8 g6 41. Nd6+ Bxd6+ 42. Kxd6 Kf6) 40. Kxf5 {KR-KB} g6+ 41. Kg5 Bc5 42. Kh6 Be3+ 43. Kh7 g5 44. Kh6 Bf4 45. Ra2 $1 {[%cal Ra2f2]} g4+ 46. Kh5 g3 47. h3 Be3 48. Kg4 Bf2 49. Kf3 (49. Rb2 $18 Kf6 50. Re2) 49... Kg6 50. Ra5 (50. Ra8 $18 Kh6 51. Rd8) 50... Kh6 51. Rb5 Kg6 52. Rd5 Kh6 53. Re5 (53. Rd8 $142 Kh5 54. Rh8+ Kg5 55. h4+ Kg6 56. Kg2 Be1 57. Re8 Bf2 58. Rc8) 53... Kg6 54. Rb5 (54. Re4 $18 Kg5 55. h4+ Kg6 56. Re8) 54... Kh6 55. Rb4 Kg5 56. Rg4+ Kh6 57. Ke4 Be1 58. Kf5 Bf2 59. Rg6+ Kh7 60. Kf6 Bd4+ {[#]} 61. Kf7 $1 Bf2 62. Kf6 (62. Rg5 $142 Kh6 63. Kf6 Be1 64. Kf5 Bf2 65. h4 Be1 66. h5 Kh7 67. Rg6) 62... Bd4+ $1 63. Kf5 Bf2 64. h4 $2 (64. Rg5 Kh6 65. h4) 64... Be1 65. h5 Bf2 66. Kf4 {Threatens to win with Kf3.} Be1 67. Kf3 Bf2 {[#]} 68. Ke2 $1 {[%cal Re2f3] Kf3 is the strong threat.} Kh8 69. Kf3 Kh7 70. Kf4 Be1 71. Kg4 Bf2 72. Kf5 Be1 73. Kf4 {Strongly threatening Re6.} Bf2 74. Ke5 Be1 75. Kf6 {Black must now prevent Ke6.} Bf2 76. Kf5 Be1 77. Kg5 Bf2 78. Kf5 {And now Kf4 would win.} Be1 79. Ke4 Bf2 80. Kf3 {aiming for Kg2.} Be1 81. Re6 Bf2 82. h6 $2 (82. Rc6 $18) 82... Bc5 $1 $14 83. Kxg3 {Hoping for Kh4.} Bf8 84. Kg4 Bxh6 85. Kf5 Bd2 86. Kf6 Kh6 87. Rc6 Kh5 88. Kf5 {White threatens Rc2 and mate.} Kh4 $1 {White has an edge.} 89. Rc2 Be3 90. Re2 Bb6 91. Re6 Bc7 92. Rc6 Bb8 93. Rc3 Bg3 94. Rxg3 {Precision: White = 63%, Black = 66%.} 1/2-1/2

