[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Nyzhnyk, Illya"]
[Black "Gordievsky, Dmitry"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2612"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,94,0,0,8,0,0,0,0,-10,0,0,0,0,43,40,31,35,40,-22,89,0,0,-1,41,43,29,18,26,29,4,21,31,9,58,61,54,58,71,69,137,137,172,145,166,132,182,181,178,182,194,69,284,265,257,246,281,5,18,0,0,-7,-8,-50,0,-27,-8,-8,-8,-8,-8,-8,-8,-28,0,-29,-8,-10,0,-52,0]} 1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 4. e3 {[%cal Be2e3,Be3d4][%mdl 32]} Nf6 5. d4 cxd4 6. exd4 d5 7. Bg5 Ne4 8. cxd5 Nxg5 9. Nxg5 e5 {B14: Caro-Kann: Panov-Botvinnik Attack with 5...e6 and 5...g6} (9... O-O 10. Qd2 Nd7 11. Bc4 Bh6 12. f4 Nf6 13. O-O a6 14. a4 Bf5 15. a5 Rc8 16. Bb3 Qd6 17. Rfe1 {½-½ (39) Kortschnoj,V (2628)-Morozevich,A (2679) Biel 2003}) 10. Nf3 exd4 $1 11. Nxd4 O-O {The position is equal.} 12. Qd2 Nc6 $146 ({Predecessor:} 12... Qb6 13. Rd1 Rd8 14. Be2 Nc6 15. Ndb5 Nb4 16. a3 a6 17. Na4 {0-1 (31) Moskalenko,V (2544)-Borges Matos,J (2456) Barbera del Valles 2004}) 13. Nc2 Ne7 14. Bc4 b5 15. Nxb5 Bxb2 16. Rb1 Be5 17. f4 (17. O-O $14) 17... Nf5 (17... Bg7 $11) 18. O-O (18. fxe5 $16 Qh4+ 19. Kd1 Qxc4 20. Rb4 Qxa2 21. g4) 18... Bg7 $11 19. Kh1 a6 20. Nbd4 Nd6 21. Nc6 Nxc4 22. Qe2 Qd6 23. Qxc4 Bf5 24. Rbe1 {And now Ne7+ would win.} Rfc8 25. Ne3 Bd7 {[%cal Rd7c6]} 26. Rc1 Re8 {[#]} 27. Qd3 $1 Bxc6 ({Black should play} 27... Qf6 $1 $14) 28. Rxc6 $16 Qe7 29. Nc4 Rad8 30. d6 ({But not} 30. Rxa6 $6 Qe4 $16) 30... Qe4 31. Qxe4 Rxe4 32. Rd1 Rxf4 {[#]} 33. g3 (33. Na5 $1 $18) 33... Rf6 $2 (33... Rd4 $14 34. Rxd4 Bxd4) 34. a4 Re6 35. Rxa6 Bf6 36. Rb1 $2 (36. Rc6 $18) 36... Rc8 $1 $11 {[%cal Rc8c4]} 37. Rb4 Kg7 38. Ra7 Rc5 39. Rc7 Rd5 {[%mdl 1024] Black has compensation.} 40. Kg2 {Rbb7 is the strong threat.} Rf5 {Strongly threatening ...Re2+.} ({Don't play} 40... Re2+ $6 41. Kf3 $16) 41. Rbb7 $1 $132 {[%mdl 2048] White has counterplay} Re2+ 42. Kh3 Bd8 43. Rd7 Rff2 44. Rxd8 h5 {[%csl Ge2][%cal Rf2h2]} 45. Kh4 {Threatens to win with Re7.} Re4+ 46. Kh3 {Black must now prevent Rb2.} Ree2 {[%csl Ge2][%cal Rf2h2]} 47. Kh4 {aiming for Re7.} Re4+ {Precision: White = 44%, Black = 41%.} (47... Rxh2+ $15 48. Kg5 Rhf2) 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Kolev, Atanas"]
[Black "Gorovets, Andrey"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "2572"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,90,33,22,16,21,45,0,0,0,3,0,32,0,6,6,8,-62,-44,-60,-67,-66,-68,-67,-69,-72,-67,-128,-128,-160,-67,-161,-161,-164,-126,-137,-107,-185,-184,-178,-25,-36,-29,-46,-27,-102,-85,-85,-75,-186,-183,-214,-208,-328,-106,-134,-125,-101,-92,-120,-120,-120,-128,-128,-128,-129,-127,-123,-145,-29971,-29967,-6218,-6083]} 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nf3 d5 5. O-O Bd6 6. c4 O-O 7. Nc3 c6 8. Qc2 Bd7 9. Rb1 {A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6)} (9. Bg5 h6 10. Bf4 Bxf4 11. gxf4 Be8 12. c5 Nbd7 13. b4 Ne4 14. Ne5 Nxc3 15. Qxc3 Nxe5 16. dxe5 Kh8 {1-0 (60) Li,C (2720)-Agdestein,S (2602) Doha 2016}) 9... Be8 10. c5 Bc7 11. Bf4 {LiveBook: 4 Games. White is slightly better.} Bxf4 12. gxf4 Bh5 13. Ng5 $146 ({Predecessor:} 13. e3 Nbd7 14. b4 a6 15. Ne5 Ne4 16. Na4 Nef6 {½-½ (38) Cornette,M (2545)-Spraggett,K (2584) Catalunya 2012}) 13... Qe7 14. f3 Nbd7 15. b4 a6 16. Rbe1 h6 17. Nh3 Bg6 18. a4 (18. Qd2 $11) 18... a5 $15 19. bxa5 Rxa5 20. Nf2 b6 21. cxb6 Nxb6 22. Nd3 Rfa8 23. e4 (23. e3 $15) 23... Nxa4 $17 24. Ne5 Be8 (24... Nxc3 $17 25. Qxc3 Qe8 26. Qxc6 Qxc6 27. Nxc6 Ra4 28. Ne7+ Kf7) 25. exf5 (25. Ne2 $1 $15) 25... Nxc3 $19 26. Qxc3 Ra3 (26... exf5 27. Nc4 $14 (27. Nxc6 Qa3 $15)) 27. Qc1 Qb4 ({Don't play} 27... exf5 $6 28. Nc4 $11) 28. fxe6 (28. Kh1 $17) 28... Qxd4+ 29. Kh1 Qc3 $2 (29... Nh5 $1 $19 30. Nxc6 Qf6) 30. f5 c5 31. f4 c4 32. Qd1 (32. Qxc3 $11 Rxc3 33. Rd1) 32... Bh5 $17 33. Bf3 Bxf3+ 34. Nxf3 (34. Rxf3 $17 Qb2 35. Rxa3 Rxa3 36. Qe2) 34... Ra2 $1 $19 35. e7 Re8 36. Rg1 {[#]} (36. Qd4 {was necessary.} Qxd4 37. Nxd4) 36... Kh8 $2 $40 {[%mdl 128] Black is out for blood.} ({Weaker is} 36... Ra7 37. Nd4 $19) (36... d4 $1 $19 {[%mdl 512] is more deadly.} 37. Re6 {[#]} (37. Nxd4 $2 Rd2 $19) (37. Qxd4 Qxf3+) 37... Ng4 $1 {[%mdl 512]} 38. Rxg4 Ra1 39. Qxa1 Qxa1+ 40. Rg1 Qa8) 37. Rg2 $17 Rxg2 38. Kxg2 Nh5 39. Qd4 Qc2+ 40. Kh1 Qxf5 41. Ne5 Kh7 42. Qxd5 Rxe7 43. Qxc4 Nxf4 44. Nf3 $2 {[%mdl 8192]} (44. Rf1 $17) 44... Nd3 45. Rf1 {[#]} Re1 $1 {[%mdl 512] Precision: White = 34%, Black = 55%.} 0-1

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Li, Ruifeng"]
[Black "Petrosian, Tigran L"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2571"]
[BlackElo "2595"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,154,53,45,58,51,46,-16,-17,-14,-11,-97,-88,-90,-90,-77,-16,-81,-80,-108,-94,-113,-43,-44,0,-117,-71,-82,-88,-93,-73,-131,-115,-156,-147,-152,-139,-133,-137,-133,-127,-120,-92,-89,-93,-97,-93,-84,-89,-104,-68,-88,-92,-89,-88,-85,-72,-101,-63,-102,-90,-148,-144,-154,-83,-147,-116,-179,-88,-107,-95,-223,-224,-230,-222,-216,-215,-234,-222,-212,-231,-229,-216,-250,-246,-246,-220,-232,-231,-220,-158,-153,-153,-146,-130,-249,-242,-254,-229,-222,-220,-208,-122,-128,0,0,0,0,0,0,0,0,0,-15,-15,-37,-53,-407,-382,-683,-620,-1637,-1584,-1600,-1579,-1414,-1381,-1264,-1132,-5493,-2306,-12842,-12843,-12843,-12843]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. Re1 c6 8. a4 a5 9. h3 h6 10. Ba2 Re8 11. Be3 {C41: Philidor Defence} Qc7 12. Qd2 {LiveBook: 24 Games} exd4 13. Nxd4 {White is slightly better.} Bf8 {[#]} 14. Nf5 $146 (14. f3 $14) ({Predecessor:} 14. f3 Nc5 15. Rad1 Bd7 16. Qf2 d5 17. Nde2 dxe4 18. Bxc5 Bxc5 19. Qxc5 exf3 20. gxf3 Bxh3 {1-0 (27) Berg,E (2601)-Lubczynski,R (2418) Plovdiv 2008}) 14... Nc5 $11 15. Bxc5 dxc5 16. Rad1 (16. Nh4 $11) 16... Bxf5 $1 $17 17. exf5 Rad8 $36 {[%mdl 2048] White is under strong pressure.} 18. Qc1 Rxe1+ 19. Rxe1 Rd4 $1 20. Qe3 Qd7 $1 21. Qf3 Rd2 (21... c4 $17 22. Rd1 Rxd1+ 23. Qxd1 Qxf5 24. Bxc4 Qf4) 22. Nb1 $15 Rd4 ({Weaker is} 22... Rxc2 23. Qb3 $16) (22... Rd6 $15) 23. Nc3 $17 Rb4 24. Rd1 Qe7 25. b3 Rd4 26. Bb1 ({White should play} 26. Kf1) 26... Qe5 {Threatens to win with ...Rxd1+.} 27. Rf1 c4 28. Qe3 Qxe3 29. fxe3 Rd8 $1 30. bxc4 Bc5 31. Re1 Bb4 32. Rd1 Re8 33. Rd3 Bxc3 34. Rxc3 {[%mdl 4096] Endgame KRB-KRN} Ne4 35. Ra3 Nc5 {[%mdl 1024] Black has strong compensation.} 36. Kf2 Re4 $1 37. Ba2 Kf8 38. Bb3 Re8 39. Ra1 Rd8 40. Kf3 Ke7 41. g4 (41. Ke2 $142) 41... Rd2 42. Rf1 {[#]} f6 (42... Kd6 $142 $1 43. Kf4 b6) 43. Kf4 (43. Kg3 $142) 43... Nd7 44. e4 (44. Kg3 $17 {might work better.}) 44... Ne5 (44... Kd6 $19 45. Re1 Ne5) 45. c5 Nd7 46. Ke3 (46. Re1 $17 {keeps fighting.}) 46... Rh2 $19 47. Kd4 {[#]} Ne5 $1 ({Worse is} 47... Rxh3 48. Rb1 $11) 48. Rb1 Kd8 49. Be6 Kc7 50. Rb3 Rxc2 51. Rg3 Rh2 52. Rb3 Rd2+ 53. Ke3 Rd1 54. Rc3 Ra1 55. Bb3 Rf1 56. Ke2 Rh1 57. Kf2 Rh2+ 58. Kg3 (58. Ke1 $17 {was called for.}) 58... Rd2 59. Bc2 Re2 60. Kf4 Rf2+ 61. Ke3 Rf3+ (61... Rg2 $19 62. Kf4 Rf2+ 63. Ke3 Rh2) 62. Kd4 Rxc3 ({Better is} 62... Rf1 $17 63. Rg3 Rf2) 63. Kxc3 $17 {KB-KN} b6 64. cxb6+ Kxb6 65. Bd1 Kc5 66. Be2 Nd7 67. Bd3 Kd6 {Hoping for ...Ke5.} (67... Nb6 $5 {[%cal Rb6a4]} 68. Bc2 Kd6 $15) 68. Kd4 Nb6 69. e5+ $2 {[%mdl 8192]} (69. Bc2 $15) 69... fxe5+ $19 70. Ke4 $2 (70. Ke3 Nxa4 71. h4) 70... Nxa4 {Black is clearly winning.} 71. Bc4 Nb6 72. Ba2 Nd5 73. Bc4 a4 74. h4 a3 75. g5 hxg5 76. hxg5 {[#]} a2 $1 77. Bxa2 Nc3+ {Precision: White = 48%, Black = 69%.} 0-1

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Vorontsov, Pavlo"]
[Black "Kiewra, Keaton F"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2492"]
[BlackElo "2429"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,63,7,0,0,2,9,-2,8,14,10,0,0,-12,0,-36,-30,-24,-20,-39,-14,-11,0,6,62,58,64,11,14,11,13,0,13,8,0,0,1,0,0,0,0,0,0,0]} 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 Be7 5. Bb2 O-O 6. Be2 c5 7. O-O b6 8. cxd5 Nxd5 9. d4 Bb7 10. Nbd2 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e4][%mdl 32] A30: Symmetrical English: Double Fianchetto and Hedgehog} (10... cxd4 11. Nxd4 Nc6 12. Nxc6 Bxc6 13. Nf3 Bb7 14. Rc1 Rc8 15. Qd2 Nf6 16. Rxc8 Qxc8 17. Rc1 Qa8 18. Bd4 {½-½ (37) Chernyshov,K (2567)-Talla,V (2400) Marianske Lazne 2012}) 11. Nc4 Rc8 12. Rc1 {LiveBook: 4 Games} cxd4 13. Nxd4 Nc5 14. a3 $146 ({Predecessor:} 14. Bf3 Ba6 15. Qd2 {½-½ (42) Levenfish,G-Makogonov,V Leningrad & Moscow 1939}) 14... Bf6 15. b4 Ne4 16. Bd3 (16. Qd3 $5 {[%cal Rd3e4]} Nd6 17. Nxd6 Qxd6 18. Nb5 $11) 16... Nd6 17. Qh5 {[%csl Gd3][%cal Rh5h7] [#]} g6 18. Qe2 Nf5 (18... Bxd4 $5 19. Bxd4 Nxc4 20. Bxc4 Nf4 21. exf4 Qxd4 $11) 19. Nxf5 exf5 20. Ne5 Qe7 21. f4 Bg7 22. Bc4 Nf6 ({Better is} 22... Rfd8 $11) 23. Rfd1 $1 $14 Rc7 24. Bb3 (24. Qd3 $14) 24... Rxc1 $11 {The position is equal.} 25. Bxc1 Bc8 $1 26. Nc6 Qc7 (26... Qe8 $5 {[%cal Re8c6]} 27. Nxa7 Be6 $11) 27. b5 Ne4 {Strongly threatening ...Nc3.} 28. Bb2 Bb7 29. Bxg7 Kxg7 30. Qb2+ f6 31. Nd4 Nc5 32. Ne6+ {Precision: White = 51%, Black = 43%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Barcenilla, Rogelio"]
[Black "Raptis, Nick"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2452"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,135,74,0,40,0,0,0,33,25,27,21,21,15,33,22,35,34,40,38,43,15,44,50,95,58,115,62,127,88,86,71,83,39,42,26,75,72,108,90,108,99,107,73,120,60,74,31,39,41,67,23,75,31,119,50,185,88,88,85,132,31,31,31,31,31,31,15,22,22,31,15,31,31,31,0,31,0,30,0,0,0,0,0,0,0,14,0,29975,29976,29976,29977,29977,29978,29978,0,29992,29980,29980,29981,29981,29982,29982,29983,29983,29984,29984,29985,29985,29986]} 1. c4 c6 2. Nf3 Nf6 3. b3 d5 4. Bb2 Bf5 5. g3 e6 6. Bg2 h6 7. O-O Nbd7 8. d3 Be7 9. Nbd2 O-O 10. a3 a5 11. Qc2 Bh7 12. Bc3 b5 13. cxb5 cxb5 14. b4 Rc8 15. Qb3 {LiveBook: 4 Games. A12: English Opening: 1...c6 with b3 by White} (15. bxa5 $16 Nc5 16. Bb4) (15. bxa5 Nc5 16. Bb4 Nxd3 17. Bxe7 Qxe7 18. Qb3 Nc5 19. Qb4 Qa7 20. Rac1 Nce4 21. Nxe4 Bxe4 22. Nd4 Bxg2 23. Kxg2 {½-½ (36) Nguyen,N (2617)-Rodshtein,M (2609) Biel 2010}) 15... Qc7 16. Rfc1 a4 17. Qb2 {The position is equal.} Qb7 18. Rc2 Rfd8 19. Rac1 Ne8 20. Bd4 $146 ({Predecessor:} 20. Bh3 Bf6 21. Bxf6 Ndxf6 22. Nd4 Nd6 23. Rxc8 Rxc8 {1-0 (43) Lutz,G (2089)-Kunze,H (2118) Bayern 2009}) 20... Rxc2 21. Rxc2 Rc8 22. Rxc8 Qxc8 23. e4 Ndf6 {[%cal Rd5e4]} 24. Ne1 Nc7 25. Qc3 Qd7 26. Nc2 Bg6 (26... Na6 $14) 27. Ne3 (27. Nf3 $16) 27... h5 ({Black should play} 27... dxe4 $14 28. dxe4 Nce8) 28. h3 Nfe8 29. f4 f6 30. g4 hxg4 31. hxg4 Bf7 32. e5 f5 33. Bh3 g6 34. Nf3 Na6 35. Bb6 Ng7 36. Nd4 (36. d4 $16) 36... Be8 $14 37. Kf2 {[%cal Bg1f2,Bf2e2,Be2d2][%mdl 32]} Qb7 38. Ba5 Qa7 39. Ke2 Qd7 (39... Nb8 $11) 40. Kd2 fxg4 ({Better is} 40... Nb8 $14) 41. Bxg4 (41. Nxg4 $16 Nf5 42. Nf6+ Bxf6 43. exf6) 41... Nf5 (41... Nb8 $14) 42. Nexf5 (42. Bxf5 $1 $18 {is more deadly.} gxf5 43. Qc1) 42... gxf5 $16 43. Bf3 Nb8 {[#]} 44. Qc1 (44. Nxb5 $1 $16 {[%mdl 512] Nd6! is the strong threat.} Qxb5 45. Qc8) 44... Nc6 $14 45. Qg1+ Kh7 46. Nxc6 Qxc6 47. Bb6 Qd7 48. Qh2+ Kg7 49. Bf2 Qd8 50. Qg1+ Kh7 51. Bb6 Qd7 52. Bc5 Bxc5 53. bxc5 b4 $1 54. axb4 {Threatens to win with Qh2+.} a3 55. c6 Qc7 56. Qa1 Qa7 {aiming for ...Qf2+.} (56... Qxc6 $5 {[%cal Rc6b6]} 57. Qxa3 Qb6 $11) 57. c7 Bd7 $2 {[%mdl 8192]} (57... Qxc7 $11 58. Qxa3 Qb6) 58. Qh1+ Kg7 {[#]} 59. Qg2+ $1 Kf8 60. Qh2 Kg7 {[#]} 61. Qg3+ $1 Kh7 $2 {[%mdl 8192]} (61... Kf8 $11) 62. Qh4+ {White mates.} Kg7 63. Qe7+ Kh6 64. Qxd7 Qf2+ 65. Be2 Qxf4+ 66. Kc2 Qxe5 67. c8=Q Qxe2+ 68. Kb3 {Precision: White = 42%, Black = 42%.} 1-0

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Bryant, John Daniel"]
[Black "Moradiabadi, Elshan"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2443"]
[BlackElo "2550"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,134,7,0,4,4,5,4,8,4,10,18,10,9,15,12,0,15,0,6,6,0,-24,-22,-36,-20,-11,4,-16,-13,-25,-34,-16,-18,-24,-30,-47,-53,-50,-41,-41,-42,-53,-20,-68,-66,-79,-79,-76,-57,-50,0,0,0,-64,-31,-44,-30,-54,-37,-78,-78,-78,-78,-78,-68,-84,-82,-94,-81,-118,-118,-124,-119,-121,-108,-106,-110,-118,-107,-140,-139,-139,-134,-136,-119,-236,-183,-221,-225,-186,-82,-113,-118,-222,-203,-367,-364,-344,-350,-369,-130,-139,0,-357,0,-584,-584,-583,-576,-4619,-4618,-29979,-29980,-29980,-29981,-29981,-29982,-29983,-29984,-29984,-29985,-29986,-29985,-29985,-29986,-29988,-29989]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 d6 5. Bc4 dxe5 6. Nxe5 {B22: Sicilian: 2 c3} e6 $1 7. d4 Be7 8. O-O {The position is equal.} O-O 9. dxc5 Bxc5 10. Nd2 Nc6 11. Nef3 Be7 12. Ne4 Nb6 $146 {Threatens to win with ...Qxd1.} ({Predecessor:} 12... Qc7 13. Re1 Rd8 14. Qc2 b6 15. Bd2 Bb7 16. Rad1 Rac8 17. Bf1 Rd7 {0-1 (51) Pierrot,J (2424)-Flores,D (2579) Asuncion 2009}) 13. Bb5 a6 {Hoping for ...Qxd1.} 14. Bxc6 bxc6 15. Bf4 Nd5 16. Bd2 c5 17. c4 Nf6 18. Qe2 Bb7 19. Nxf6+ Bxf6 20. Rad1 Qc7 21. b3 a5 22. Be3 a4 23. Ne1 axb3 24. axb3 Be7 25. Nd3 Bd6 26. Qh5 {[%cal Re3c5]} f5 27. b4 cxb4 28. c5 Be7 (28... Be5 $5 29. Nxb4 Ra4 $17) 29. Nxb4 Bxg2 30. Kxg2 Qb7+ $40 {[%mdl 128] Black mounts an attack.} 31. Nd5 (31. c6 $11 Qxb4 32. Rd7) 31... exd5 32. Qf3 Rad8 33. Bd4 Qc6 34. Rfe1 Bxc5 35. Bxc5 Qxc5 36. Re5 Rd6 37. Rxf5 {[%csl Gf3][%cal Rf5f8]} Qc8 38. Rxf8+ Qxf8 39. Qxf8+ Kxf8 $17 {[%mdl 4096] Endgame KR-KR} 40. Kf3 Kf7 41. Ke3 Re6+ 42. Kf3 Re5 43. Ra1 Kf6 44. Ra7 Re7 45. Ra4 Ke5 46. Ke3 Rb7 47. Rg4 (47. f4+ $17 {keeps fighting.} Kf5 48. Ra5) 47... Rb3+ $19 48. Ke2 g6 49. h4 Rb2+ (49... Rh3 $1 $19 {has better winning chances. Strongly threatening ...d4.} 50. Rg5+ Kd4 51. Rg4+ Kc5) 50. Kf3 Rb6 51. Ra4 (51. h5 $17) 51... Rb3+ 52. Kg2 $2 (52. Ke2 {was forced.}) 52... d4 53. Ra7 h5 54. Ra6 d3 $2 (54... Rb1 $19 {is more deadly. White must now prevent ...d3.} 55. Kf3 Re1 56. Ra5+ Kd6) 55. Kf3 $17 Kd4 (55... d2+ $17 56. Ke2 Rd3 $1 {[%mdl 512]}) 56. Rxg6 $2 {[%mdl 8192] [#]} (56. Ra4+ $1 $11 Ke5 57. Ke3) 56... Kc3 $2 (56... Rb8 $1 $19 {aiming for ...Rf8+.} 57. Rd6+ Kc3 58. Rc6+ Kd2) 57. Ra6 $2 {[%mdl 8192]} (57. Ke3 $11 {and White has nothing to worry.}) 57... Kc2 $19 {( -> ...d2+)} 58. Ra2+ Rb2 59. Ra1 Rb1 60. Ra5 d2 {Black mates.} 61. Rc5+ Kd3 62. Rd5+ Kc3 63. Kf4 d1=Q 64. Rxd1 Rxd1 65. Kg5 Rd5+ 66. Kg6 Kd4 67. f4 Ke4 {Precision: White = 40%, Black = 63%.} 0-1

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Aldama Degurnay, Dionisio"]
[Black "He, Anthony B"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2385"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,97,15,0,27,35,65,58,70,70,70,71,79,27,76,83,82,82,82,83,68,85,77,74,204,190,200,200,198,208,205,187,202,202,201,193,201,207,193,198,283,264,276,230,230,216,230,230,230,230,230,223,320,301,337,330,325,325,551,544,531,536,1382,1379,1277,1302,1219,1185,811,745,29968,29971,5197,5189,29978,29977,29981,29982,29982,29983,29984,29985,29987,29988]} 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. b3 c5 7. e3 Nc6 8. Bb2 Ne4 9. Nbd2 Qc7 {A05: Réti Opening: 1 Nf3 Nf6} (9... Bf5 {is interesting.} 10. c4 e6 11. cxd5 exd5 12. Ne5 cxd4 13. Nxc6 bxc6 14. Nxe4 dxe4 15. Bxd4 Bxd4 16. Qxd4 Qxd4 17. exd4 Rad8) 10. c4 Nxd2 11. Qxd2 ({Much weaker is} 11. Nxd2 dxc4 12. Nxc4 cxd4 $15) 11... cxd4 $146 {White is slightly better.} ({Predecessor:} 11... dxc4 12. bxc4 Rd8 13. d5 Ne5 14. Nxe5 Bxe5 15. Bxe5 Qxe5 16. f4 Qd6 17. e4 {0-1 (46) Harika,D (2507)-Stefanova,A (2489) Khanty-Mansiysk 2014}) 12. cxd5 dxe3 13. fxe3 {Threatens to win with Bxg7.} Ne5 14. Rac1 ({White should play} 14. Bxe5 $16 Bxe5 15. Rac1) 14... Qd6 15. Nxe5 Bxe5 16. Bxe5 Qxe5 17. Qd4 Qxd4 18. exd4 Rd8 19. Rc7 Rd7 {[#]} (19... Kf8 $16) 20. Rfc1 $1 $18 Rxc7 21. Rxc7 {[%mdl 4096] Endgame KRB-KRB} Kf8 {[#]} 22. d6 $1 {[%cal Rd6d7]} exd6 23. Bd5 ({And not} 23. Bxb7 Bxb7 24. Rxb7 a5 $11) 23... Be6 24. Bxe6 ({Weaker is} 24. Bxb7 Re8 $11) 24... fxe6 25. Rxh7 {KR-KR} Kg8 26. Rxb7 a5 27. Re7 Ra6 (27... Rc8 $142 28. Rxe6 Kf7 29. Rxd6 Rc1+ 30. Kf2 Rc2+ 31. Kf3 Rxa2) 28. Rxe6 Kf7 29. Re2 a4 30. Kg2 axb3 31. axb3 Rb6 32. Re3 Rb4 33. Rd3 Ke6 (33... Kf6 $142 34. Kf3 g5) 34. Kf3 Kf5 35. g4+ Kg5 36. Kg3 d5 $2 (36... Kf6 37. h4 Kf7) 37. h4+ Kf6 38. Kf4 g5+ 39. hxg5+ Kg6 40. Ke5 Rb5 41. Kd6 Kxg5 42. Kc6 Ra5 43. b4 {[%cal Bb3b4,Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Ra4 44. Rb3 Kxg4 45. Kxd5 {White mates.} Kf4 46. b5 Ra5 47. Kc6 Ke4 48. b6 Ra8 49. b7 {Precision: White = 87%, Black = 35%.} 1-0

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Torres Rosas, Luis Carlos"]
[Black "Lenderman, Aleksandr"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2360"]
[BlackElo "2585"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,-23,-8,-23,-30,-15,-74,-85,-81,-35,-39,-43,-97,-80,-77,-72,-98,-86,-94,-74,-108,-94,-139,-92,-87,-100,-135,-62,-76,-67,-74,-26,-54,0,-38,-25,-8,0,0,0,-7,0,-37,-37,-37,-14,-14,-14,-14,-14,-14,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Rc1 Bxc3+ 10. bxc3 d6 {E13: Queen's Indian/Nimzo-Indian hybrid: 4 Nc3 Bb7 5 Bg5 h6 6 Bh4 Bb4} 11. Bd3 (11. Nd2 Nxg3 12. hxg3 Nd7 13. g4 Qe7 14. Qa4 Kf8 15. Rh2 c5 16. Be2 Kg7 17. Kf1 Nf6 18. Kg1 e5 19. dxc5 dxc5 20. Bf3 {0-1 (45) Vakhidov,T (2446)-Riazantsev,A (2692) Dubai 2014}) 11... Nd7 12. Qc2 (12. O-O $11 {remains equal.}) 12... f5 $17 {Black is better.} 13. O-O Ndf6 $146 ({Predecessor:} 13... h5 14. h3 Nxg3 15. fxg3 g4 16. Nh4 Qg5 17. Qf2 gxh3 18. gxh3 {0-1 (35) Zea Ruiz,E (1642)-Cerrato Torrijos,M (1988) Madrid 2009}) 14. d5 e5 15. Ne1 (15. Nd2 $15) 15... Qe7 16. f3 Nxg3 17. hxg3 e4 18. fxe4 fxe4 19. Be2 Bc8 20. Qd1 O-O 21. Nc2 Bd7 22. Qd4 Qe5 (22... g4 $17 23. Kh2 Nh5) 23. Rf2 Kg7 24. Rcf1 a5 25. Na3 h5 ({Black should play} 25... Qxd4 $15 26. cxd4 Ng8) 26. Nb1 (26. Qxe5 {is more complex.} dxe5 27. Nb1 Bg4 28. Nd2 Rae8 29. Bd1) 26... Qxd4 (26... Rae8 {is interesting.} 27. Na3 Qxd4 28. cxd4 b5 29. Nxb5 Bxb5 30. cxb5 Nxd5 31. Bxh5 Rxf2 32. Bxe8 Rxf1+ 33. Kxf1 Nxe3+ 34. Ke2 Nc2) 27. cxd4 b5 (27... Rac8 {with more complications.} 28. Nc3 Rcd8 29. Bd1 Rde8 30. Be2 Rb8) 28. cxb5 Nxd5 29. Rxf8 Rxf8 30. Rxf8 Kxf8 $11 {KBN-KBN} 31. Kf2 $1 a4 32. a3 {The position is equal.} Ke7 33. Bc4 Nb6 34. Be2 Nd5 35. Bc4 {Precision: White = 58%, Black = 38%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Ginsburg, Mark"]
[Black "Bitoon, Richard"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2341"]
[BlackElo "2454"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,91,20,16,64,18,32,32,28,0,1,0,36,2,28,10,44,38,62,80,130,137,182,198,331,197,91,5,7,9,22,12,22,0,52,0,44,0,10,30,61,0,0,0,0,0,0,-20,-15,-19,0,-13,-12,-14,-12,-10,0,-106,0,0,11,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O c5 6. Nc3 Be7 7. Re1 d5 8. cxd5 exd5 9. d4 O-O 10. Bf4 Na6 11. Rc1 Qd7 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (11... Ne4 12. a3 Re8 13. Qa4 cxd4 14. Nxd4 Nac5 15. Qd1 Nxc3 16. Rxc3 Bf6 17. Rc2 Qd7 18. Be3 Rac8 19. Qb1 Ba6 {½-½ (36) Postny,E (2642)-Tiviakov,S (2639) Leiden 2015}) 12. Qd3 $146 (12. Ne5 $5 {[%cal Re5d7]} Qe6 13. dxc5 bxc5 14. e4 dxe4 15. Nxe4 $14) ({Predecessor:} 12. e3 Ne4 13. Ne5 Nxc3 14. bxc3 Qe6 15. h4 f6 16. Nf3 Rac8 17. Qd3 c4 18. Qc2 b5 19. Nd2 {½-½ (19) Horvath,D (2356)-Tompa,J (2380) Hungary 2016}) 12... Rfd8 13. Red1 h6 {White is slightly better.} 14. Qb1 Qe6 15. a3 Bf8 16. h3 Ne4 17. dxc5 Nxc3 18. Rxc3 bxc5 19. Rb3 Bc6 {With the idea ...d4.} 20. Re3 Qc8 21. Ne5 Bb7 (21... Qb7 {might work better.} 22. Nxc6 Qxc6) 22. Rb3 (22. Nxf7 $142 Kxf7 23. Qh7) 22... c4 (22... Rb8 $18 23. Bf3 Qe6) 23. Rxb7 ({White should try} 23. Be4 $16 {White wants to mate with Bh7+.} dxe4 24. Rxd8 Qxd8 25. Rxb7) 23... Qxb7 $11 {[#]} 24. Nxc4 $1 {[%mdl 512]} Nc7 (24... Rac8 $5 {[%cal Rc8c4]} 25. Ne3 Nc7 $11) (24... dxc4 25. Bxb7) 25. Ne3 Bc5 26. Nf5 Ne6 ({Black should play} 26... Rac8 $11) 27. b4 (27. Be5 $14) 27... Bf8 28. Ne3 {[%cal Rg2d5]} (28. Bd6 $5) 28... Nxf4 29. gxf4 {[%cal Rg2d5]} Rab8 30. Nxd5 (30. Bxd5 $14 Qc7 31. Qf5) 30... Qa6 31. Qd3 (31. Qb2 {seems wilder.} Qb5 32. e3 a5 33. Qb3 Qe2 34. Ra1) 31... Qxd3 32. Rxd3 Rbc8 33. Kh2 Bd6 34. e4 f6 35. Kg3 g5 36. Nxf6+ Kf7 37. Nd5 $1 gxf4+ 38. Kh4 {[#]} (38. Kf3 $11) 38... Ke6 (38... Rc2 $1 $17 39. Bf3 Rxf2) 39. Kg4 {The position is equal.} Be5 40. Nxf4+ (40. h4 {looks sharper.} Rg8+ 41. Kf3 Rc2 42. Bh3+ Kf7 43. Bd7) 40... Bxf4 41. Rxd8 Rxd8 42. Kxf4 {KR-KB} Rd2 43. Ke3 Ra2 44. Bf1 $1 {[%cal Rf1c4]} Rxa3+ 45. Bd3 $1 a5 46. bxa5 {Precision: White = 32%, Black = 28%.} 1/2-1/2

[Event "Las Vegas Festival 2017"]
[Site "Las Vegas"]
[Date "2017.06.18"]
[Round "5"]
[White "Atoufi, Pedram"]
[Black "Corrales Jimenez, Fidel"]
[Result "0-1"]
[ECO "B63"]
[WhiteElo "2281"]
[BlackElo "2524"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2017.??.??"]
[EventType "swiss"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,90,17,67,-104,-103,-105,-98,-110,-110,-121,-112,-117,-122,-115,-120,-134,-126,-174,-171,-203,-177,-169,-160,-220,-171,-214,-170,-166,-157,-152,-143,-155,-150,-151,-131,-146,-106,-113,-83,-102,-101,-125,-128,-145,-154,-154,-155,-185,-180,-172,-172,-196,-192,-211,-211,-210,-206,-211,-211,-205,-202,-220,-204,-381,-382,-450,-437,-410,-352,-549,-529,-517,-529,-1095,-1095,-1147,-1147,-1071,-1068]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. Qd2 h6 {LiveBook: 172 Games} 8. Bh4 $2 {[#] B63: Sicilian: Richter-Rauzer: 7...Be7 and unusual Black 7th moves} (8. Bxf6 $1 $14 gxf6 9. Be2) (8. Bxf6 gxf6 9. O-O-O a6 10. f4 Bd7 11. Nf3 Qa5 12. f5 O-O-O 13. Kb1 h5 14. g3 Kb8 15. Bh3 Bc8 16. Rhf1 Be7 17. Ne2 Qa4 18. fxe6 fxe6 {½-½ (75) Proudian,A (2437)-Vera Siguenas,D (2535) Florianopolis 2017}) 8... Nxe4 $1 $17 {[%mdl 512]} 9. Qf4 (9. Nxe4 Qxh4) 9... Nf6 {aiming for ...g5.} 10. Bxf6 {Black is better.} Qxf6 11. Qxf6 gxf6 {[%cal Bg7f6,Bf6f5][%mdl 32]} 12. Ndb5 Kd8 13. O-O-O d5 14. Ne4 f5 $146 ({Predecessor:} 14... a6 15. Nd4 f5 {0-1 (35) Safvat,Y-Addison,W Tel Aviv 1964}) 15. Ng3 a6 16. Nd4 Nxd4 17. Rxd4 Bd7 18. Kb1 (18. Nh5 $17) 18... b5 19. Rd2 Kc7 20. Be2 Rg8 21. Bf3 Bc6 22. Nh5 Rd8 23. g3 Bc5 24. Rhd1 Rd6 25. Nf4 Rgd8 26. Nd3 Bb6 27. Ne5 Be8 28. Bh5 f6 29. Bxe8 fxe5 30. Bf7 Kd7 31. Bh5 Ke7 32. Re2 Kf6 33. Red2 e4 34. Rf1 b4 {[%cal Bb5b4,Bb4a3][%mdl 32]} 35. Rdd1 a5 36. Be2 a4 37. Bb5 a3 38. bxa3 $2 (38. b3 {is a better defense.}) 38... bxa3 $19 39. Ba4 Ba5 40. Bb3 Bc3 41. Rh1 (41. f4 {was worth a try.}) 41... d4 {[%cal Bd5d4,Bd4e3][%mdl 32] Black is clearly winning.} 42. Kc1 e3 43. fxe3 dxe3 44. Rxd6 Rxd6 45. Bc4 Rd2 {Precision: White = 46%, Black = 68%.} 0-1

