[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Petrosian, Tigran L"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2595"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,65,20,16,31,11,26,28,29,21,58,39,37,33,31,35,43,23,23,16,37,3,46,44,79,79,84,87,74,73,102,40,80,81,76,11,11,26,40,10,33,33,35,36,64,56,174,67,56,43,47,35]} 1. Nf3 c5 2. c4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. Nc3 Nc6 7. e3 Nf6 8. d4 Na5 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (8... cxd4 9. exd4 O-O 10. Re1 e6 11. b3 d5 12. Ba3 Re8 13. Ne5 Bf8 14. Bxf8 Rxf8 15. Nxc6 Bxc6 16. b4 Rb8 17. Rb1 Ba8 18. c5 bxc5 19. dxc5 {1-0 (40) Le,Q (2705)-Safarli,E (2626) Fujairah 2012}) 9. b3 {LiveBook: 7 Games} O-O 10. Bb2 cxd4 {The position is equal.} 11. Qxd4 Ne4 12. Qd3 $1 f5 $146 ({Predecessor:} 12... d5 13. cxd5 Nxc3 14. Bxc3 Qxd5 15. Qxd5 Bxd5 16. Bxg7 Kxg7 {1-0 (39) Buchal,S (2295)-Helmer,C (2062) Germany 2015}) 13. Nd4 {[%cal Rc3e4]} Nc5 14. Qd2 Bxg2 15. Kxg2 Nc6 {[%cal Ba5c6,Bc6e5,Be5g4][%mdl 32]} 16. Nf3 e6 17. Rad1 g5 18. Qc2 a5 19. Nd4 {[#] And now Nxc6 would win.} Ne5 20. f4 Ng4 21. Qe2 gxf4 22. exf4 Qe8 23. Nf3 (23. Ndb5 $16) 23... Qh5 24. h3 Nf6 25. Ne5 (25. Qe3 $16) 25... Qxe2+ $11 26. Nxe2 d5 27. Nc3 {[%cal Rc4d5]} a4 28. cxd5 axb3 29. axb3 exd5 30. Nxd5 Nfe4 {[#]} ({Better is} 30... Nxd5 $14 31. Rxd5 Ne4) 31. Ra1 ({Weaker is} 31. Nxb6 Ra2 $11) ({White should try} 31. Ne7+ $1 $18 Kh8 32. Ra1) 31... Bxe5 $14 32. fxe5 {b4 is the strong threat.} Rxa1 33. Bxa1 {Precision: White = 35%, Black = 31%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Lenderman, Aleksandr"]
[Black "Aldama Degurnay, Dionisio"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2585"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,89,17,12,16,31,39,17,20,13,22,0,8,10,7,0,4,0,33,34,111,100,180,171,172,164,162,171,168,100,163,161,157,156,150,133,128,135,127,125,159,129,188,135,154,124,134,126,164,157,149,132,153,134,177,178,229,231,366,356,350,350,360,354,351,228,415,425,416,404,527,525,497,500]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 O-O 8. Qc2 h6 9. Bh4 Re8 10. Nge2 {[%cal Bg1e2,Be2c1,Bc1d3][%mdl 32]} a5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (10... Ne4 11. Bxe7 Qxe7 12. Bxe4 dxe4 13. Ng3 f5 14. O-O Qg5 15. Rae1 h5 16. Qb3+ Be6 17. Qxb7 Nd7 18. Nge2 Nf6 19. b3 h4 20. Nf4 Bf7 21. Rc1 {1-0 (31) Kuzubov,Y (2640)-Hayrapetyan,H (2489) Al Ain 2015}) 11. O-O b6 12. Rfd1 $146 ({Predecessor:} 12. f3 c5 13. Bf2 Bb7 14. dxc5 bxc5 15. Rfd1 Nbd7 16. Bb5 Bd6 17. e4 d4 18. Nb1 {½-½ (55) Balazs,G (2174)-Kovacs,B (2302) Hungary 2006}) 12... Ba6 {The position is equal.} 13. Nc1 (13. Bxf6 $5 Bxf6 14. Nf4 $11) 13... Bd6 14. a3 {[%cal Ba2a3,Ba3a4,Ba4b5,Bb5a6][%mdl 32]} Nbd7 15. Bxa6 Rxa6 16. Nd3 Qa8 (16... Qb8 $5 {[%cal Rd6h2]} 17. Bg3 Bxg3 18. hxg3 Ra8 $11) 17. Rac1 b5 (17... Qb8 $5 {[%cal Rd6h2]}) 18. a4 Ne4 (18... Qb8 $14) 19. axb5 $16 Nxc3 (19... cxb5 $16 {might work better.} 20. Nxb5 Bb8) 20. bxa6 $18 ({Resist} 20. Qxc3 $6 cxb5 21. Bg3 b4 $14) 20... Nxd1 21. Qxc6 ({Don't take} 21. Rxd1 $6 Qxa6 22. Rc1 Rc8 $14) 21... Qxc6 22. Rxc6 Bf8 23. Rc1 (23. a7 $18) 23... Ra8 (23... Nxb2 $16 24. Nxb2 Re6) 24. Rxd1 Rxa6 25. Rc1 a4 26. Kf1 a3 27. bxa3 Rxa3 28. Nc5 Ra7 29. Bg3 f5 (29... Be7 $16 30. Nxd7 Rxd7 31. Rc8+ Kh7) 30. Ne6 (30. Nxd7 $18 Rxd7 31. h4) 30... Kf7 31. Nf4 Nf6 32. Nd3 Nd7 33. Bc7 g5 34. Rc2 Ra1+ 35. Ke2 Rg1 36. h3 Be7 (36... Ra1 $142 37. g4 fxg4) 37. Ra2 Bf6 (37... h5 $142 38. Ra7 h4) 38. Ra5 f4 39. Rxd5 Nf8 40. exf4 Ne6 41. fxg5 hxg5 $2 (41... Nxd4+ {was called for.} 42. Ke3 hxg5 43. Rxd4 Bxd4+ 44. Kxd4 Rxg2) 42. Be5 Bxe5 43. Nxe5+ Kf8 {[#] ...Nf4+ is the strong threat.} 44. g3 Rh1 45. Nf3 {[%mdl 32768] Precision: White = 69%, Black = 46%. . An unexpected result.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Moradiabadi, Elshan"]
[Black "Barcenilla, Rogelio"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2550"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,55,18,0,29,39,47,49,49,25,44,43,39,39,38,13,16,18,16,-30,22,0,12,-12,-19,-29,0,0,0,0,0,0,-2,-27,0,0,0,-17]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Bg5 h6 10. Bxf6 Bxf6 11. b4 {LiveBook: 116 Games} Bd7 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} (11... a5 12. a3 Bg7 13. c5 f5 14. Bd3 Kh8 15. Rc1 axb4 16. axb4 Bd7 17. Nd2 f4 18. Nb5 Rf6 19. Qb3 g5 20. cxd6 cxd6 {1-0 (39) Erdos,V (2614)-Mamedov,R (2689) Minsk 2017}) 12. c5 Kg7 $146 ({Predecessor:} 12... Qe8 13. Nd2 Bg5 14. Nc4 Nc8 15. Na5 Rb8 16. Bg4 f5 17. exf5 gxf5 18. Bh5 Qd8 19. Qb3 {1-0 (42) Burgess,G (2300)-Stentebjerg Hansen,P (2255) Odense 1991}) 13. Nd2 Nc8 {White is slightly better.} 14. Bg4 Bg5 {[#] Strongly threatening ...Bxg4.} 15. Nb3 f5 16. Bf3 Ne7 17. b5 b6 18. c6 Bc8 19. g3 Ng8 ({Black should try} 19... f4) 20. a4 a5 21. bxa6 Bxa6 22. Be2 Bxe2 23. Qxe2 f4 24. Nd2 h5 25. Nf3 Bh6 26. Nd2 Bg5 27. Nf3 Bh6 28. Rfb1 {Precision: White = 49%, Black = 52%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Corrales Jimenez, Fidel"]
[Black "Torres Rosas, Luis Carlos"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2524"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,127,0,13,10,0,0,0,0,0,0,0,0,-17,0,-1,-6,-31,0,0,0,-14,-14,-22,0,-12,0,0,0,-12,0,-8,0,0,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,21,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. Be2 h5 11. Bxg4 Bxg4 12. f3 Bd7 13. Qd2 Nc6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (13... g4 14. Bf2 Nc6 15. O-O-O Ne5 16. f4 Nc4 17. Qe2 Rc8 18. e5 Rh6 19. Rhe1 Kf8 20. Bh4 dxe5 21. Nb3 {0-1 (39) Brodsky,D (2303)-Xiong,J (2476) Philadelphia 2015}) 14. Nxc6 bxc6 15. Bf2 Qa5 16. Bd4 Bxd4 17. Qxd4 {[%cal Rd4h8] [#]} f6 18. Qd2 $146 ({Predecessor:} 18. O-O Rb8 19. b3 Qb6 20. Qxb6 Rxb6 21. Na4 {½-½ (41) Kuehn,P-Wilhelmi,C Germany 1993}) 18... Rb8 19. b3 h4 20. h3 Qe5 21. O-O $1 {The position is equal.} Kf7 22. Rad1 a5 23. Kh1 Be6 24. Qd3 Rb4 25. Ne2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 26. a3 {[%cal Ba2a3,Ba3b4,Bb4b5,Bb5b6][%mdl 32]} c4 27. Qe3 $1 Rb7 {[%cal Rc4b3]} 28. Nd4 cxb3 29. cxb3 Rc7 30. b4 axb4 31. axb4 Rhc8 32. b5 Rc3 33. Qd2 R3c4 34. b6 Rb8 35. Nxe6 Qxe6 36. Rb1 Rc6 37. Qa5 Rb7 (37... Rc5 $5 {[%cal Rc5a5]} 38. Qa7 Qc8 $14) 38. Rb4 Rc5 39. Qa6 Qc8 $1 40. Qa2+ Kg7 41. Qd2 Rc2 42. Qd4 Rc1 43. Rxc1 Qxc1+ $11 {[%mdl 4096] Endgame KQR-KQR} 44. Qg1 Qc5 45. Qb1 Kf7 46. Rb5 Qf2 47. Rb2 (47. e5 $5) 47... Qd4 48. Qa2+ Kg7 49. Qb3 Qc5 50. Rb1 Kf8 51. Kh2 Ke8 52. Qa4+ Kd8 53. Rb5 Qc6 54. Qb3 Kd7 55. Rb4 Qc5 56. Qa4+ Qc6 {White must now prevent ...Qxa4.} 57. Qa6 Ke6 58. Qa8 Kf7 59. Qa2+ Kg7 60. Qe6 Qc1 61. Qb3 Qf4+ 62. Kh1 Qc1+ 63. Kh2 Qf4+ 64. Kh1 {Precision: White = 64%, Black = 74%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Gorovets, Andrey"]
[Black "Nyzhnyk, Illya"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2524"]
[BlackElo "2612"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,105,13,8,29,7,36,49,93,89,117,130,117,135,126,142,117,122,117,118,139,108,97,114,118,8,0,0,0,-46,-54,-65,-60,-55,-70,-64,-58,-65,-73,-74,-80,-82,-80,-75,-62,-109,-65,-107,-22,-45,0,0,0,-48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Be7 7. Bd3 h6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7... Nh5 8. Be5 Nxe5 9. dxe5 g6 10. Qe2 Bd7 11. O-O O-O 12. g3 Qc7 13. e4 Rae8 14. Rfe1 c4 15. Bc2 Bc5 {½-½ (34) Granda Zuniga,J (2648)-Melkumyan,H (2653) Germany 2017}) 8. Qe2 O-O 9. g4 $146 ({Predecessor:} 9. dxc5 Bxc5 10. e4 dxe4 11. Nxe4 Nd5 12. Bxh6 gxh6 13. Nxc5 b6 14. Bb5 Nce7 15. Ne4 Nf4 16. Nf6+ Kg7 17. Qe5 Nxg2+ 18. Kf1 Nf5 19. Rg1 {0-1 (19) Rua,N-Chaucanes,J Medellin 2001}) 9... Qb6 {White is slightly better.} 10. O-O-O c4 11. Bb1 $1 Qa5 12. Rdg1 $1 Ba3 13. bxa3 {And now Kb2 would win.} Qxc3+ 14. Kd1 Qa1 {[#]} 15. Ke1 $1 c3 {White must now prevent ...c2.} 16. Qd1 {aiming for Bh7+!} cxd2+ 17. Nxd2 {Hoping for Bh7+!} Ne4 {[#]} 18. Bxe4 (18. g5 $1 $16) 18... Qxd1+ $11 19. Kxd1 dxe4 20. Nxe4 f6 $1 {[%cal Bf7f6,Bf6e5][%mdl 32]} 21. Nd6 e5 22. Nxc8 Raxc8 23. dxe5 Nxe5 24. Bxe5 fxe5 $15 {[%mdl 4096] Endgame KRR-KRR} 25. Ke2 Rc2+ 26. Kd3 Rxa2 27. Ke4 Rfxf2 28. Ra1 Rxh2 29. Kxe5 Kf7 ({Black should try} 29... a6 $17 30. Rhb1 Rxa1 31. Rxa1 Re2) 30. e4 $11 Ke7 31. Rxh2 Rxa1 {KR-KR} 32. Rc2 Rd1 33. Rc8 {The position is equal.} Rd8 34. Rc7+ Rd7 35. Rc8 b6 36. Kf5 Rd8 37. Rxd8 Kxd8 {KP-KP} 38. Kg6 Ke7 {Strongly threatening ...Kf8.} 39. Kxg7 b5 $1 40. Kxh6 {Threatens to win with g5. K3P-KPP} a5 $1 41. g5 {g6 is the strong threat.} b4 42. axb4 axb4 {KPP-KP} 43. g6 {White threatens g7 and mate.} b3 44. g7 b2 $1 ({And not} 44... Kf7 45. Kh7 Kf6 46. g8=Q Ke5 47. Qd5+ Kf4 48. Kg8 Ke3 49. e5) 45. g8=Q {White wants to mate with Qb8.} b1=Q {KQ-KQ} 46. Qh7+ Ke6 47. Qf5+ Ke7 48. Qe5+ Kf7 49. Qg7+ Ke6 50. Qg8+ Ke7 51. Qg5+ Ke6 52. Qd5+ (52. Kg7 $5 {[%cal Rg5f6]} Qb7+ 53. Kg6 Qxe4+ 54. Kh5 $11) 52... Ke7 53. Qe5+ {Precision: White = 76%, Black = 69%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "De Firmian, Nick E"]
[Black "Vorontsov, Pavlo"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2492"]
[BlackElo "2492"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,129,33,-8,-8,0,0,0,0,0,0,0,0,0,-4,-29,-19,-35,-18,-62,-63,-55,-58,-70,-49,-64,-51,-51,-50,-100,-61,-82,-68,-76,-75,-133,-131,-131,-130,-138,-112,-140,-116,-157,-166,-153,-81,-84,-91,-81,-87,-72,-64,-79,-50,-93,-97,-133,-134,-123,-133,-133,-116,-125,-106,-100,-41,-61,0,0,0,0,224,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,118,113,266,266,241,233,327,321,371,378,380,339,710,692,847,787,904,828,1537,1478,2047,2070,3314,4106,2916,3413]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 {[#]} 5. Nxe4 $1 {[%mdl 512]} Be7 (5... Nxe4 6. Bxd8) 6. Bxf6 gxf6 7. Nf3 f5 8. Ned2 c5 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} 9. Nb3 (9. dxc5 Qa5 10. g3 Qxc5 11. Bg2 Qb5 12. Qc1 Bf6 13. Rb1 Bd7 14. c4 Qa4 15. O-O Qxa2 16. c5 O-O 17. b4 a5 18. b5 a4 19. Nc4 a3 {0-1 (19) Horvath,A (2536)-Gupta,A (2638) Abu Dhabi 2014}) 9... cxd4 10. Qxd4 Bf6 $146 {The position is equal.} ({Predecessor:} 10... Qxd4 11. Nfxd4 Bd7 12. Nb5 Kd8 13. O-O-O a6 14. Nd6 Bxd6 15. Rxd6 Kc7 16. Rd2 Rg8 17. f3 Bc6 18. Na5 Nd7 19. Nxc6 {½-½ (19) Simons,M (2096)-Stewart,A (2069) England 2014}) 11. Qxd8+ Kxd8 12. O-O-O+ Kc7 13. g3 Nc6 14. Bg2 e5 15. Nfd2 Be6 16. Nf1 Bg5+ 17. Kb1 Rad8 18. Ne3 Bxe3 19. fxe3 Rxd1+ 20. Rxd1 h5 21. Nc5 h4 22. gxh4 Rxh4 23. h3 e4 24. a3 (24. Kc1 $142) 24... Rh6 $17 25. Bf1 Rg6 26. Kc1 Ne5 27. b3 Kc6 28. Na4 Rg3 29. Kd2 Ng6 (29... a6 $142 $1 30. Nc3 Nf3+ 31. Ke2 Nh2) 30. Nc3 Kd6 31. Ne2 Rg5 $1 32. Ke1+ Ke5 33. Rd4 $1 f4 34. h4 Rh5 35. Rb4 Rxh4 36. exf4+ Nxf4 37. Rb5+ Kd6 {Strongly threatening ...Nxe2.} 38. Nxf4 Rxf4 39. Rxb7 {[%mdl 4096] Endgame KRB-KRB} Ke5 ({Better is} 39... Rh4 $17 40. Kd2 f5) 40. Rxa7 $15 Kd4 (40... Rh4 $1 $15) 41. a4 {[%cal Ba3a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} (41. b4 $5 {[%cal Rb4b5]}) 41... Rh4 42. a5 Rh1 $2 (42... Rh5 $1 $11 {and Black stays safe.}) 43. Re7 $2 (43. a6 $18) 43... Rh5 $11 44. a6 {Threatens to win with b4.} Ra5 $1 45. Kf2 e3+ 46. Kg3 Rg5+ 47. Kh4 Rg4+ 48. Kh5 Rg8 49. a7 {Rb7 is the strong threat.} Ke5 {And now ...Kf6 would win.} 50. Rb7 Bd5 51. Rb8 Rg1 $1 {[%cal Rg1f1]} ({Don't go for} 51... Bf3+ $2 52. Kh4 $18) 52. Rb5 Kf4 {[#]} (52... Rh1+ $11 53. Kg5 f6+ 54. Kg6 Rg1+ 55. Kh7 Rh1+ 56. Kg7 Rg1+ 57. Kh7 Rh1+ 58. Kg7 Rg1+ 59. Kf8 Rg8+ 60. Ke7 Rg7+ 61. Kd8 Rxa7) 53. Kh6 $1 $16 Bf3 $2 {[#]} (53... Rh1+ $16 54. Kg7 Rxf1 55. Rxd5 Ra1 56. Rd4+ Kg3) 54. Bd3 $1 $18 {Hoping for Rf5+.} ({Resist} 54. Rb4+ $6 Ke5 $16) 54... Ra1 55. Rf5+ Kg3 (55... Kg4 {keeps fighting.}) 56. Rxf7 e2 {[#]} 57. Bxe2 $1 {[%mdl 512]} Bxe2 {KRB-KR} 58. b4 {[%cal Bb3b4,Bb4b5,Bb5b6][%mdl 32]} Bc4 $2 (58... Kg4 59. Kg7 Kg3) 59. Rc7 {White is clearly winning.} Be2 60. Kg5 Bf3 61. b5 Ra5 62. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Be2 63. Kf6 Kf4 64. b6 Bf3 65. c5 {Precision: White = 68%, Black = 55%.} 1-0

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Bitoon, Richard"]
[Black "Abdumalik, Zhansaya"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2454"]
[BlackElo "2397"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,62,14,7,16,-10,24,0,16,-13,-10,-10,-5,-22,-27,-27,-7,-21,0,-16,10,16,22,10,14,7,49,43,47,0,0,0,0,0,0,0,0,-24,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. b4 Bg7 4. Bb2 O-O 5. Bg2 d6 6. c4 c5 7. bxc5 dxc5 8. O-O Nc6 9. d3 Bf5 {A05: Réti Opening: 1 Nf3 Nf6} (9... Rb8 10. Nc3 b6 11. e3 Bb7 12. Qe2 e6 13. Rfd1 Qe7 14. Rac1 Rfd8 15. d4 Na5 16. Ba3 Nd7 17. Nb5 {1-0 (70) Edouard,R (2636)-Bartel,M (2622) Berlin 2015}) 10. Nbd2 Qc8 $146 ({Predecessor:} 10... Qd7 11. Nb3 b6 12. Re1 Rad8 13. a4 a5 14. Ne5 Nxe5 15. Bxe5 Ng4 16. Bxg7 Kxg7 17. Qc1 {½-½ (37) Schmittdiel,E (2460)-Loetscher,R (2402) Dortmund 2012}) 11. Rb1 b6 12. Re1 Bh3 13. Bh1 Qc7 14. a4 Rad8 15. Bc3 Nh5 16. Bxg7 Kxg7 17. Qc1 h6 18. Ne4 Nf6 19. Qc3 Rfe8 20. Nfd2 e5 (20... g5 {is more complex.}) 21. Nxf6 Kxf6 22. f4 (22. Bxc6 $5 Qxc6 23. f3 $14) 22... Kg7 23. fxe5 Nxe5 24. a5 h5 25. axb6 axb6 26. Bd5 f6 (26... h4 $5) 27. Nf3 {The position is equal.} Nxf3+ 28. exf3 Bf5 29. Qb3 Qb8 30. Kf2 Rxe1 31. Rxe1 Re8 {Precision: White = 69%, Black = 55%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Schmakel, Sam A"]
[Black "Li, Ruifeng"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2344"]
[BlackElo "2571"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,132,0,2,-12,-19,-34,0,-52,-55,-116,-115,-201,-218,-212,-180,-320,-316,-345,-360,-376,-376,-366,-374,-292,-334,-373,-373,-372,-363,-350,-335,-358,-376,-376,-372,-376,-343,-340,-284,-385,-381,-388,-373,-358,-373,-607,-362,-353,-291,-288,-134,-139,-137,-135,-139,-147,-147,-155,-151,-182,-182,-182,-182,-182,0,-176,-172,-162,-139,-171,-154,-170,-110,-110,-110,-110,-110,-110,-110,-114,-111,-137,-137,-128,-130,-161,-114,-128,0,-146,-144,-325,-332,-332,-332,-318,-329,-310,-317,-1097,-820,-2111,-1647,-29969,-29970,-29972,-29973,-29965,-5061,-4674,-4702]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nge7 5. O-O g6 6. c3 Bg7 7. d4 exd4 8. cxd4 b5 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} 9. Bb3 O-O 10. h3 d6 11. Nc3 (11. Re1 Na5 12. Bc2 c5 13. Nc3 cxd4 14. Nxd4 {0-1 (27) Najer,E (2679)-Grischuk,A (2737) Doha 2016}) 11... Na5 12. Bc2 c5 {LiveBook: 108 Games} 13. Bf4 cxd4 $146 ({Predecessor:} 13... Nc4) 14. Nxd4 Nc4 15. Rb1 (15. Bb3 $11) 15... Bb7 $15 16. Qd3 ({White should try} 16. Re1 $15) 16... d5 $1 $17 {[%cal Rd5e4] White must now prevent ...dxe4.} 17. Rfd1 (17. e5 $17 {was necessary.}) 17... dxe4 $19 18. Nxe4 Qb6 19. Bg5 (19. Ne2 $142) 19... Rfd8 20. Bxe7 Rxd4 21. Qe2 Re8 22. Rxd4 Bxd4 ({Much less strong is} 22... Qxd4 23. Bf6 $19) 23. Bb4 Bxe4 24. Bxe4 a5 25. b3 axb4 26. bxc4 bxc4 27. Qf3 Re6 28. Rf1 c3 29. Bc2 Rf6 30. Qe2 h5 31. g3 Qd6 {( -> ...Qxg3+)} 32. Kg2 {[#]} h4 $1 {[%mdl 512]} 33. gxh4 Qf4 34. Bb3 $2 (34. h5 Be5 35. Rh1) 34... Qxh4 35. f4 Kg7 36. Qg4 Qxg4+ (36... Qh8 $19 {and Black stays clearly on top.} 37. f5 Qa8+ 38. Qf3 Qc8) 37. hxg4 {[%mdl 4096] Endgame KRB-KRB} Be3 38. f5 Rc6 {Threatens to win with ...c2.} 39. fxg6 fxg6 40. Kf3 Bg5 {aiming for ...c2.} 41. Rf2 Bd2 42. Bc2 Ra6 43. Bb3 Rc6 44. Bc2 Re6 45. Rf1 Bg5 46. Rd1 Ra6 47. Bb3 Ra3 (47... Rf6+ $19 48. Ke2 Rf4) 48. Rd7+ $17 Kh6 49. Rc7 Ra6 50. Rc4 Be7 51. Re4 Rf6+ 52. Kg2 Bd6 53. Rd4 Kg5 54. Bd1 Bf8 55. Kg3 {And now Rd5+ would win.} Bd6+ 56. Kg2 Kh4 57. Rc4 $2 {[#]} (57. Bc2 $17) 57... Bg3 $1 $19 58. Bf3 {[#]} Bf4 $1 59. Kf2 Bg5 60. Rc8 {With the idea Rh8+.} Kh3 61. Rh8+ $2 (61. Rc4) 61... Bh4+ 62. Ke2 Kg3 63. Bd5 Rf2+ 64. Kd3 Rd2+ 65. Ke4 c2 (65... Bf6 $142 66. Rc8 Rd4+ 67. Ke3 Rxd5 68. Rc6 Bg5+ 69. Ke4 Ra5 70. Kd3 Rxa2 71. Rc7 Rf2 72. Rc5 Kxg4 73. Rc6 b3 74. Rxc3 Rf3+ 75. Kc4 b2 76. Rd3 Rxd3 77. Kxd3 b1=Q+ 78. Kc4 Qb6 79. Kc3 Qc5+ 80. Kd3 Bf4 81. Ke2 Qe3+ 82. Kf1 Bh2 83. Kg2 Qg1#) 66. Rc8 Bf6 {Precision: White = 49%, Black = 73%.} 0-1

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Ginsburg, Mark"]
[Black "Gurevich, Dmitry"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2341"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,70,-2,0,2,-33,-17,-66,-68,-62,-66,-90,-43,-58,-54,-94,-95,-104,-93,-110,-94,-96,-9,-109,-102,-129,-125,-186,-172,-170,-174,-204,-176,-245,-252,-245,-238,-333,-335,-401,-388,-477,-458,-476,-477,-475,-456,-882,-881,-1342,-1246,-29990,-29991,-29991,-29992]} 1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 c5 5. Bg2 Nc6 6. O-O d4 7. d3 {A13: English Opening: 1...e6} (7. e3 Be7 8. exd4 cxd4 9. d3 O-O 10. Re1 Ne8 11. a3 a5 12. Nbd2 f6 13. Rb1 e5 14. Nh4 Nc7 15. Qh5 Qe8 16. Qxe8 Rxe8 {½-½ (132) Topalov,V (2761)-Nakamura,H (2787) Leuven 2016}) 7... Bd6 8. e3 O-O 9. exd4 cxd4 10. Ba3 {LiveBook: 7 Games} e5 11. b4 $146 ({Predecessor:} 11. Re1 Re8 12. Bxd6 Qxd6 13. Nbd2 Bf5 14. Qc2 Nb4 15. Qd1 Bxd3 16. Ng5 Nc2 17. Nde4 Nxe4 18. Nxf7 Kxf7 19. Qxd3 Nxe1 20. Qxe4 Nxg2 {0-1 (20) Carlstedt,J (2442)-Fridman,D (2649) Berlin 2015}) 11... a6 12. Qb3 h6 13. Nbd2 Be6 14. Rfe1 Re8 15. Rab1 Qd7 16. Rec1 b5 17. Qd1 Rac8 18. Ne1 Rc7 19. Qe2 Rb8 (19... Bf8 $17 20. Nef3 Rcc8) 20. Nc2 (20. c5 $11 Be7 21. Bxc6 Qxc6 22. Nef3) 20... bxc4 $17 21. Nxc4 {[#]} Rb5 $1 22. Bb2 (22. Re1 $17 {was called for.}) 22... Nxb4 $19 23. Nxd6 Qxd6 24. a4 {[#]} Rb8 $1 25. Nxb4 (25. Ba3 $142 a5 26. Nxb4 Rxc1+ 27. Bxc1) 25... Rxb4 26. Rxc7 Qxc7 27. Rc1 Qb8 28. Ba3 Rxa4 29. Bc5 Ra2 30. Qe1 Ng4 31. Rb1 Qc7 32. Qe4 (32. Qb4 $142 Nxf2 33. Qb8+ Qxb8 34. Rxb8+ Kh7 35. Rb7) 32... Nxf2 33. Qa8+ Kh7 34. Qf8 Nh3+ 35. Kh1 Rxg2 {Precision: White = 30%, Black = 72%.} 0-1

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "6"]
[White "Raptis, Nick"]
[Black "Bryant, John Daniel"]
[Result "1/2-1/2"]
[ECO "A43"]
[WhiteElo "2296"]
[BlackElo "2443"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,-5,45,21,50,41,48,51,48,45,53,27,40,33,77,48,64,59,72,-24,-13,-51,48,-24,-20,-34,-20,-18,229,214,217,184,205,188,318,283,349,-335,115,81,299,346,425,434,520,529,519,506,728,698,1199,1153,1169,232,205,202,226,188,184,153,158,157,162,131,172,159,273,256,259,252,263,266,222,240,196,0,126]} 1. d4 c5 2. d5 e6 3. c4 exd5 4. cxd5 d6 5. Nc3 g6 6. e4 Bg7 7. f4 a6 (7... Bxc3+ $5 8. bxc3 Nf6 $11) 8. Nf3 {A43: Schmid Benoni} Bg4 9. a4 Ne7 10. Be2 {White is slightly better.} (10. Bc4 Nd7 11. O-O O-O 12. Qd3 Nb6 13. Nd2 f5 {1-0 (32) Agopov,M (2458)-Kiik,K (2374) Jyvaskyla 2015}) 10... O-O 11. O-O Nd7 12. Be3 (12. h3 $5 {[%cal Rh3g4]} Bxf3 13. gxf3 $11) 12... Re8 13. Bf2 h6 $146 ({Predecessor:} 13... Qa5) 14. h3 Bxf3 $1 15. Bxf3 Rb8 16. g4 (16. Qc2 $16) 16... g5 $11 17. e5 dxe5 (17... gxf4 $15 18. exd6 Nc8) 18. f5 ({Better is} 18. fxg5 $14 hxg5 19. Be4) 18... Nf6 19. Bxc5 Bf8 (19... Rc8 $5 {[%cal Rc8c5]} 20. Ba7 Rxc3 21. bxc3 e4 $14) 20. Qb3 Nxf5 $2 (20... Nc8 $11 21. Bxf8 Kxf8) 21. Bb6 $1 $18 {[%cal Rb6d8]} ({Stronger than} 21. Bxf8 Nd4 $17) 21... Qd6 22. gxf5 {Strongly threatening Ne4.} e4 23. Bg2 Qe5 (23... g4 $142) 24. Rfe1 Bd6 25. Be3 $4 {[%mdl 8192]} (25. Nxe4 $1 $18 {is the narrow road to win.} Qh2+ 26. Kf1 Nxe4 27. Rxe4) 25... g4 $2 (25... Qh2+ $19 26. Kf1 Nh5) 26. hxg4 $16 Nxg4 $2 (26... Qh2+ $16 27. Kf1 Qg3) 27. Nxe4 $18 Qh2+ 28. Kf1 Re5 29. Nxd6 Qg3 {[%cal Re5e3]} 30. Be4 Rxe4 31. Nxe4 Qf3+ 32. Kg1 Kh7 33. Ba7 $2 (33. d6 Ne5 34. Qc2) 33... Qxb3 34. Bxb8 Qxd5 35. Rad1 Qxf5 36. Bg3 Qf3 37. Rd7 Kg6 {And now ...f5 would win.} 38. Bf2 $1 (38. Rxb7 f5 $11) 38... h5 39. Rd2 ({Not} 39. Rxb7 h4 $11) 39... Qh3 (39... a5 $16 {might work better.} 40. Rd8 f6) 40. Bg3 $1 h4 41. Bb8 Qf3 {[#]} 42. Nf2 $1 {[%cal Rf2g4] Threatens to win with Nxg4.} Ne3 {[%csl Ge3][%cal Rf3g2]} 43. Nd1 Ng4 {[#]} 44. Nf2 (44. Rf1 $1 $18 {[%cal Rf1f3]} Qe4 45. Nf2) 44... Ne3 {Precision: White = 47%, Black = 36%.} 1/2-1/2

