[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.24"]
[Round "1"]
[White "Bacrot, Etienne"]
[Black "Ponomariov, Ruslan"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2715"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,88,28,13,27,18,21,23,19,21,32,9,42,31,64,44,55,41,41,50,43,36,50,54,56,45,52,46,53,57,66,51,91,78,85,58,79,75,81,51,51,51,51,51,51,51,47,51,64,58,52,51,52,52,84,69,71,64,88,84,90,71,64,70,64,64,85,0,0,0,60,0,6,0,79]} 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. d4 Nf6 5. h3 Bxf3 6. Qxf3 dxe4 7. Qe3 Nbd7 8. Nxe4 Nxe4 9. Qxe4 g6 {B11: Caro-Kann: Two Knights Variation} (9... Nf6 $5 {[%cal Rf6e4]} 10. Qe3 e6 $11) 10. Be2 Bg7 11. O-O O-O {White has an edge.} 12. Rd1 Re8 13. c3 {[#]} Qc7 $146 ({Predecessor:} 13... e5 14. dxe5 Rxe5 15. Qc2 Qe7 {½-½ (64) Moskalenko,A (2488)-Berkes,F (2648) Moscow 2017}) 14. d5 c5 15. Bf4 Be5 16. Be3 Rac8 17. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Red8 18. a5 Nf6 19. Qf3 Kg7 20. a6 {aiming for axb7.} Rb8 21. axb7 Rxb7 22. Ra2 Rdb8 23. Bc1 Ne8 24. Qe3 Bf6 25. Ra6 Qe5 26. Qxe5 Bxe5 27. Ra5 Rxb2 28. Bxb2 Rxb2 29. Bd3 Bxc3 30. Rxc5 Bb4 31. Rc2 Rxc2 32. Bxc2 $14 {[%mdl 4096] Endgame KRB-KBN} a5 33. f4 h5 34. Kf2 Kf6 35. Kf3 Nd6 36. Ba4 Nf5 37. Bd7 Nh4+ 38. Kf2 Bc5+ 39. Kf1 Nf5 40. Ke2 $1 Bd6 41. Kf3 (41. g4 $16 Nh4 42. g5+ Kg7 43. Rd4) 41... Nh4+ $11 42. Kf2 (42. Kg3 $11 g5 43. Ra1) 42... Bc5+ $14 43. Kf1 (43. Kg3 $1 $14 Nf5+ 44. Bxf5 Kxf5 45. Kf3) 43... Nf5 $11 {White should prevent ...Ne3+.} 44. Ke2 (44. Ra1 $11) 44... Bd6 $1 {Precision: White = 52%, Black = 56%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.24"]
[Round "1"]
[White "Morozevich, Alexander"]
[Black "Hou, Yifan"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "2675"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,74,-33,-31,-8,-40,-21,-32,0,-27,0,-17,0,-17,0,0,-8,-16,-12,-17,-5,-16,-12,-64,3,-96,-112,-131,-101,-180,-200,-186,-145,-277,-200,-198,-195,-256,-256,-248,-241,-269,-247,-341,-359,-354,-356,-350,-334,-354,-329,-320,-299,-392,-432,-421,-380]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 O-O 6. Nbd2 c5 7. e4 Nc6 8. Re1 Qc7 9. c3 b6 10. e5 Nd7 11. Qe2 a5 {[%cal Ba7a5,Ba5a4][%mdl 32] C00: French: Unusual White 2nd moves} 12. Nf1 a4 13. Bf4 Bb7 {Black is slightly better.} 14. h4 {[#]} Rfc8 $146 ({Predecessor:} 14... d4 15. c4 b5 16. cxb5 Nb4 17. a3 Nd5 18. Bg5 Ra5 19. Rac1 Qd8 {½-½ (37) Bruzon Batista,L (2679)-Yilmaz,M (2594) Dubai 2016}) 15. Ne3 Qd8 16. h5 b5 17. Nxd5 exd5 18. e6 Nf8 $1 {[%cal Rf8e6]} 19. exf7+ Kxf7 20. h6 Bf6 21. Nh2 (21. Bh3 $11 gxh6 22. d4) 21... Ne7 ({Black should play} 21... Kg8 $15 22. Ng4 Na5) 22. Bh3 {[#]} (22. Ng4 Neg6 $17) (22. hxg7 $1 $11 {keeps the balance.} Kxg7 23. Ng4) 22... Rc6 $1 $17 23. Ng4 Neg6 24. Bd2 ({But not} 24. Nxf6 $2 Nxf4 25. gxf4 Rxf6 $19) (24. hxg7 $17 {was called for.} Kxg7 25. Bh6+ Kh8 26. Nxf6 Qxf6 27. f4) 24... d4 $19 25. hxg7 Kxg7 26. Qf3 (26. Nxf6 $17 {might work better.} Qxf6 27. cxd4) 26... Rb6 27. Qf5 Qd5 {[%csl Gb7][%cal Rd5h1]} 28. Bh6+ (28. Qxd5 $142 Bxd5 29. Nxf6 Kxf6 30. cxd4 cxd4 31. Rac1) 28... Kf7 {[%csl Gb7][%cal Rd5h1]} 29. Qxd5+ Bxd5 30. Nxf6 Rxf6 (30... Kxf6 31. cxd4 cxd4 32. f4 $17) 31. cxd4 {[#]} Nh4 $1 {[%mdl 512]} 32. gxh4 {Black must now prevent Bg5.} Rxh6 33. Re5 Rd8 ({Much less strong is} 33... Rxh4 34. Rf5+ Kg6 35. Rxd5) 34. Rf5+ Rf6 35. dxc5 Ng6 36. c6 Bxc6 37. Rc1 {Rxc6 is the strong threat.} Rdd6 {Precision: White = 26%, Black = 63%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.24"]
[Round "1"]
[White "Vaganian, Rafael A"]
[Black "Harikrishna, P.."]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2562"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,41,25,27,18,32,20,12,0,0,-18,-21,-8,-23,-32,0,0,0,-29]} 1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bb5+ Nbd7 11. Bxf6 Qxc3+ 12. Kf1 gxf6 13. h4 a6 14. Rh3 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} Qb4 15. Be2 {[%mdl 1024] White has compensation.} Ne5 {[#]} 16. a3 $146 (16. Rb1 $5 {[%cal Rb1b4]} Qd6 17. Rc3 $14) ({Predecessor:} 16. Rb1 Qd6 17. Rc3 O-O 18. h5 Rd8 19. Qb3 Bd7 20. Rd1 Qf8 21. Rc7 {½-½ (41) Giri,A (2769)-Harikrishna,P (2758) Shenzhen 2017}) 16... Qd6 17. Ra2 Bd7 18. Rd2 {And now Nb5 would win.} Qc7 19. Rc2 Qd6 20. Rd2 Qc7 21. Rc2 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.24"]
[Round "1"]
[White "Georgiadis, Nico"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "B84"]
[WhiteElo "2496"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,118,8,12,5,0,9,13,45,0,0,-9,18,14,12,0,9,-5,0,-11,-12,-76,-76,-81,-88,-94,-84,-85,-72,-105,-118,-111,-7,-20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Be7 8. f4 O-O 9. a4 Nc6 10. Kh1 Qc7 11. Be3 Nxd4 12. Qxd4 Bd7 13. e5 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} Ne8 14. Bf3 Bc6 15. Ne4 Rd8 16. Qc3 {LiveBook: 4 Games} Rc8 17. a5 {[#]} dxe5 $146 (17... Qb8 $5 {[%cal Rc6e4]} 18. Qa3 Qc7 $11) ({Predecessor:} 17... f5 18. exf6 Nxf6 19. Qb3 Nd5 20. Nc3 Nxc3 21. Qxe6+ {½-½ (57) Nataf,I (2526)-Emms,J (2527) Mondariz 2000}) 18. fxe5 f5 19. exf6 (19. Bb6 {keeps more tension.} fxe4 20. Bg4 Rxf1+ 21. Rxf1 Qd7 22. Rd1) 19... Nxf6 20. Qb3 (20. Bb6 {with more complications.} Nd5 21. Qb3 Qe5 22. Bc5 Bxc5 23. Nxc5 Ne3 24. Nxe6 Bxf3 25. Rxf3 Rxf3 26. gxf3 Nc4 27. Nxg7 Kxg7 28. Qxb7+ Rc7 29. Rg1+) 20... Kh8 (20... Qe5 {is more complex.} 21. Nd2 Bxf3 22. Nxf3 Qd5 23. Qa4 Rc4) 21. Nxf6 Rxf6 22. Bxc6 Qxc6 $40 {[%mdl 128] White needs to defend precisely.} 23. Rxf6 gxf6 24. Rf1 Qe4 25. Qd3 (25. Bh6 $11 {remains equal.}) 25... Qxd3 $17 26. cxd3 {[%mdl 4096] Endgame KRB-KRB} Rd8 27. d4 Rd5 28. Rc1 Bd6 29. g4 Kg7 30. Rc8 {[#]} Rb5 (30... h5 $1 $17 {[%cal Rh5g4]} 31. h3 hxg4 32. hxg4 Rb5) 31. Rd8 $11 {The position is equal.} Bb4 32. h4 $1 Bf8 33. Rd7+ Kg8 34. h5 Rxb2 35. Rd8 Kf7 36. Rd7+ Be7 37. g5 Rb3 ({Wrong is} 37... fxg5 $2 38. Bxg5 Rb5 39. Bxe7 $18 (39. Rxe7+ Kf8 $14)) 38. Bf4 {[#] Threatens to win with Bd6.} e5 $1 {[%mdl 512]} 39. dxe5 fxe5 {[#]} 40. g6+ $1 {[%mdl 512]} hxg6 41. Bg5 $1 gxh5 ({Much weaker is} 41... Rb1+ 42. Kh2 $16) 42. Rxe7+ {KRB-KR} Kg6 43. Rxe5 (43. Bd2 {seems wilder.} Kf5 44. Rg7 b5 45. axb6 Rxb6 46. Rg5+) 43... Rb5 44. Rxb5 axb5 {KB-K3P} 45. Be7 Kf7 46. Ba3 Ke6 {And now ...Kd5 would win.} 47. Kg2 Kd5 48. Kg3 Kc4 49. Kh4 b4 50. Bb2 Kb3 (50... b3 $5 {[%cal Rc4d3]} 51. Kxh5 Kd3 $11) 51. Bg7 Kc2 {aiming for ...b3.} 52. Kxh5 {KB-KPP} b3 {Strongly threatening ...b2.} 53. Kg4 b2 {[#]} 54. Bxb2 $1 {[%mdl 512]} Kxb2 {KP-KP} 55. Kf3 Kc3 56. Ke3 Kc4 {( -> ...Kb5)} (56... Kb4 $5 57. a6 $8 bxa6 $11) 57. a6 bxa6 58. Kd2 Kb3 {...Kb2 is the strong threat.} 59. Kc1 a5 {Precision: White = 59%, Black = 73%.} (59... Ka2 $5) 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.24"]
[Round "1"]
[White "Studer, Noel"]
[Black "Leko, Peter"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2493"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,132,0,0,0,0,0,0,0,0,0,8,-37,14,8,8,13,8,8,18,-40,-32,-27,-36,-37,0,-52,0,-60,-60,-58,-62,-56,-43,-43,-30,-63,-56,-26,-33,-37,0,0,0,6,15,-38,0,0,0,0,36,35,22,13,14,18,22,4,4,-399,-374,-648,-648,-645,-582,-2240,-5089,-5089,-5089,-1743,-1199,-12815,-12812,-1454,-893,-541,-368,-12823,-12820,-12823,-12826,-12833,-12833,-12841,-12833,-12838,-12840,-12842,-12846,-29943,-12850,-29942,0,-29948,-29948,-29963,-29964,-29964,-12843,-12685,-12593,-29960,-29961,-12731,-245,-29956,-29950,-29938,-8220,-29969,-29973,-6499,-6499]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 {[%cal Bg1f3,Bf3d2,Bd2c4][%mdl 32]} O-O 9. O-O Re8 10. Bf4 Ne4 11. Nxe4 Rxe4 12. Nd2 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Rxf4 $1 13. gxf4 Bxb2 14. Rb1 {The position is equal.} Bg7 15. e4 Nd7 16. Qf3 Bh6 ({Black should play} 16... b5 $1 $15) 17. Nc4 $11 Nb6 18. Ne3 Qh4 19. f5 $1 Nd7 20. Qg4 $146 (20. fxg6 $11 hxg6 21. Rb3) 20... Qxg4 $15 21. Nxg4 Bf4 22. fxg6 hxg6 23. Rb3 (23. Rfe1 $11) 23... b5 (23... c4 $15 24. Rf3 Bd2) 24. Rxb5 (24. Rf3 $11 Bd2 25. Rd1) 24... Ba6 25. Ra5 Be2 {[%mdl 1024] Black has compensation.} 26. Bh3 Bd2 27. Ra3 c4 28. Nh6+ Kg7 {...c3 is the strong threat.} 29. Bxd7 {Hoping for Ng4.} c3 30. Ba4 Rh8 31. Ng4 Bxg4 32. f3 $1 {[%cal Rf3g4]} Bh3 33. Rd1 (33. Rb1 $11) 33... Rb8 34. Rxd2 cxd2 $11 {[%mdl 4096] Endgame KRB-KRB} 35. Kf2 Rb2 36. Bd1 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 37. Ke3 f5 38. Rxa7+ Kf6 39. Kd3 {next Kc3 is good for White.} g4 {Strongly threatening ...gxf3.} 40. Rh7 $2 {[%mdl 8192]} (40. exf5 $11 gxf3 41. Bxf3) 40... Bg2 $1 $19 41. Rh5 $2 (41. exf5 Bxf3 42. Be2) 41... Bxf3 42. Rxf5+ Kg6 43. Rxf3 gxf3 44. Bxf3 Rxa2 {KR-KB} 45. Bd1 Kg5 $1 46. Bc2 Kf4 47. Kxd2 Ra8 48. Kd3 Ke5 49. Bb1 $2 (49. Ke3) 49... Rh8 50. Kc4 Rxh2 51. Bd3 Rh8 52. Bc2 Rb8 53. Kd3 Ra8 54. Kc4 Ra3 55. Kb4 Rh3 (55... Re3 $142 56. Kc4 Re2 57. Kc3 Kf4 58. Bd3 Re1 59. Kd4 Rd1 60. Kc4 Ke3 61. Bc2 Rd2 62. Kb3 Rf2 63. Kc3 Rf8 64. Ba4 Kxe4 65. Bc6 Rf2 66. Bb7 Rf1 67. Kc2 Kd4 68. Bc6 Rf2+ 69. Kb3 Rf3+ 70. Kc2 Ra3 71. Kd2 Ra2+ 72. Ke1 Ke3 73. Kd1 Rb2 74. Kc1 Rd2 75. Ba8 Kd3 76. Bc6 Kc3 77. Bb7 Ra2 78. Kd1 Kd3 79. Ke1 Re2+ 80. Kf1 Re5 81. Kf2 Kd4 82. Kg3 Rxd5 83. Kf4 Ra5 84. Bh1 d5 85. Bg2 Kc3 86. Bf1 Ra4+ 87. Kg5 d4 88. Kf6 Ra1 89. Bb5 Rb1 90. Bd7 d3 91. Bg4 Re1 92. Bh5 d2 93. Bg4 Kd3 94. Kf7 Re2 $1 {[%mdl 512]} 95. Bf5+ Re4 $1 {[%mdl 512]} 96. Kg6 d1=Q 97. Kf6 Ke3 $1 {[%mdl 512]} 98. Bxe4 Kxe4 99. Kg6 Qd8 100. Kg7 Kf5 101. Kf7 Qd7+ 102. Kf8 Kf6 103. Kg8 Qg7#) 56. Kc4 Rh2 57. Bd3 Kf4 58. Bb1 Rb2 59. Bd3 Rd2 (59... Ke3 $142 60. Bf1 Kxe4 61. Kc3 Rh2 62. Bc4 Rh3+ 63. Kb4 Rh5 64. Kc3 Rh8 65. Ba2 Rb8 66. Bc4 Rc8 67. Kb3 Kd4 68. Bf1 Kxd5 69. Bd3 Ke5 70. Bg6 Rc7 71. Ka4 d5 72. Kb4 d4 73. Bd3 Kf4 74. Bg6 Ke3 75. Ka5 d3 76. Kb6 Rc8 77. Bh5 d2 78. Bd1 Rc1 79. Ba4 Kd3 80. Kb7 Ra1 81. Bc6 d1=Q 82. Kc8 Qb3 83. Kc7 Ra7+ 84. Kd6 Kd4 85. Bd7 Qf7 86. Kc6 Qxd7+ 87. Kb6 Qb7#) 60. Kc3 Ke3 61. Bb1 Rd1 62. Bc2 Rd4 $2 (62... Ra1 63. Kb3 Ra7) 63. Bb1 $2 {[#]} (63. Kb3 $19) 63... Ra4 $1 {[%cal Ra4a8]} 64. Bc2 Ra8 65. Bb1 Rc8+ 66. Kb3 Rb8+ {Precision: White = 37%, Black = 73%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.25"]
[Round "2"]
[White "Harikrishna, P.."]
[Black "Georgiadis, Nico"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2737"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,110,13,22,20,6,28,20,16,-27,-26,-22,-10,-39,-44,-52,-61,-70,-42,-112,-109,-105,-117,-110,-109,-128,-110,-123,-104,-134,-97,-99,-58,-95,-83,-89,-43,-50,-46,-74,-74,-79,-72,-70,-81,-64,-85,-106,-95,-98,-110,-100,-104,-105,-104,-102,-86,-114,-112,-141,-133,-134,-137,-134,-143,-150,-157,-166,-100,-118,-118,-152,-153,-165,-136,-137,-29,-38,-23,-35,-10,-18,-7,-9,-6,-6,-8,-24,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O e6 5. b3 Nc6 6. Bb2 Be7 7. d4 cxd4 8. Nxd4 O-O 9. c4 Bd7 10. Nd2 Nxd4 11. Bxd4 Bc6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 12. Rc1 Qa5 (12... Re8 13. e3 Ba3 14. Rc2 e5 15. Ba1 d4 16. exd4 exd4 17. Nb1 Bc5 18. Rd2 Bxg2 19. Kxg2 {½-½ (60) Siebrecht,S (2402)-Doettling,F (2443) Baden 1999}) 13. Qc2 $146 ({Predecessor:} 13. Rc2 Rfd8 14. Qa1 Rac8 15. Rd1 h5 16. cxd5 Bxd5 17. Nc4 Bxc4 18. bxc4 Qa4 19. Rcd2 {1-0 (45) Tsvetkov,A-Bobotsov,M Sofia 1950}) 13... Rfd8 14. c5 Nd7 {[%cal Bf6d7,Bd7c5,Bc5e6][%mdl 32]} 15. Nf3 f6 16. Qb2 e5 17. b4 Qa4 {...a5 is the strong threat.} 18. Bc3 a5 19. bxa5 (19. a3 $15) 19... Nxc5 $17 20. Nd2 Ne6 {Hoping for ...d4.} 21. Nb1 d4 {Strongly threatening ...Bxg2.} 22. Bd2 Bxg2 23. Kxg2 Qd7 24. Qb3 Qd5+ 25. f3 f5 26. Rfd1 h6 27. Be1 Qxb3 (27... e4 {keeps more tension.} 28. Kf1 e3 29. Rc4 Kh8 30. Nc3 Qxa5 31. Ra4 Qe5) 28. axb3 Rdc8 29. Kf1 Nc7 30. Nd2 Rxa5 31. f4 exf4 32. Nf3 Rc5 33. b4 Rxc1 34. Rxc1 {[#]} Bd6 $1 35. Nxd4 Rf8 36. Rd1 fxg3 37. hxg3 Rf6 38. Nf3 Re6 39. Nh4 g6 40. Nf3 Kf7 41. b5 Ke7 42. Bf2 Re4 43. b6 Nb5 ({Black should try} 43... Ne6 $19 44. Ra1 Nd8) 44. Rd3 Rc4 45. Nh4 Rg4 46. Kg2 Kd7 47. Kh3 Ke6 {[#]} ({Better is} 47... h5 $17 {And now ...Ke6 would win.} 48. Nf3 Ke6 49. Re3+ Kd5 50. Rd3+ Ke6 51. Re3+ Kd5 52. Rd3+ Ke6) 48. e4 $1 $11 {[%mdl 512]} Rxe4 {White must now prevent ...g5.} (48... fxe4 49. Rxd6+) 49. Nxg6 Na3 {With the idea ...Nc4.} 50. Be3 Nc4 51. Bxh6 Nxb6 52. Rb3 $1 {[%cal Rb3b6]} Rb4 53. Nf4+ Kf7 54. Rxb4 Bxb4 55. g4 fxg4+ {Precision: White = 49%, Black = 58%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.25"]
[Round "2"]
[White "Navara, David"]
[Black "Morozevich, Alexander"]
[Result "0-1"]
[ECO "A62"]
[WhiteElo "2737"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,81,2,29,25,28,0,0,-30,-30,-20,-17,-16,-22,-63,-54,-55,-78,-70,-61,-54,-54,-118,-118,-180,-134,-142,-150,-135,-143,-145,-145,-156,-151,-154,-140,-170,-164,-221,-190,-191,-216,-217,-194,-243,-233,-201,-223,-274,-251,-242,-218,-598,-585,-697,-686,-677,-672,-757,-751,-12836,-12836,-12837,-12838,-29988]} 1. d4 Nf6 2. c4 g6 3. g3 c5 4. d5 Bg7 5. Bg2 O-O 6. Nf3 e6 7. Nc3 exd5 8. cxd5 d6 9. O-O Re8 10. Bf4 Na6 {[%cal Bb8a6,Ba6c5,Bc5d3][%mdl 32]} 11. Re1 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Bf5 12. Nh4 Bd7 13. e4 {[#] The position is equal.} c4 $146 ({Predecessor:} 13... Ng4 14. Nf3 c4 15. Qd2 Nc5 16. h3 Ne5 17. Nxe5 Bxe5 18. Bxe5 dxe5 19. Bf1 b5 20. b4 Nb7 21. a4 a6 22. axb5 {½-½ (22) Gonzalez Acosta,B (2478)-Ortiz Suarez,I (2611) Praia da Pipa 2014}) 14. Qd2 Nc5 15. Bxd6 Nd3 16. Nf3 Ng4 17. Re2 Qb6 18. Bf4 {[#]} Qxb2 $1 {[%mdl 512]} 19. Qxb2 Nxb2 20. Rc1 (20. e5 $15 Nd3 21. Rb1) 20... Nd3 $17 21. Rcc2 Nb4 22. Rc1 Bxc3 23. Rxc3 Nxd5 $1 24. Rc1 Nxf4 25. gxf4 b5 26. Rd2 Bc6 27. h3 Nf6 28. Rd6 (28. a4 $142) 28... Re6 $19 29. Rxe6 fxe6 30. Nd4 Rc8 ({Don't do} 30... Bxe4 31. Bxe4 Nxe4 32. Nxb5 $17) 31. e5 Bxg2 32. Kxg2 {[%mdl 4096] Endgame KRN-KRN} Nd5 33. Kf3 c3 {[%cal Bc4c3,Bc3c2][%mdl 32]} 34. Nxb5 Rc4 35. Nxa7 $2 (35. Ke2) 35... Nb4 {Black is clearly winning.} 36. Nb5 {[#]} c2 $1 37. Nd6 Rc5 38. Ne4 Nxa2 39. Nxc5 Nxc1 40. Ke3 Na2 41. Kd4 {Precision: White = 30%, Black = 94%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.25"]
[Round "2"]
[White "Bacrot, Etienne"]
[Black "Vaganian, Rafael A"]
[Result "1-0"]
[ECO "C17"]
[WhiteElo "2715"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,65,114,109,78,118,111,112,112,121,118,104,102,103,114,108,100,97,118,118,118,118,105,120,115,127,128,218,247,234,239,339,341,344,345,337,308,372,372,346,353,372,337,435,440]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 {[%cal Bb2b4,Bb4a5,Ba5a6,Ba6b7][%mdl 32]} cxd4 7. Qg4 Ne7 8. bxa5 dxc3 9. Qxg7 Rg8 10. Qxh7 Nbc6 11. Nf3 Qc7 12. Bf4 Bd7 13. a6 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} (13. Bg3 O-O-O 14. Qd3 Qxa5 15. Be2 Nf5 16. O-O Qc5 17. Rab1 Nce7 18. Rb4 Nxg3 19. hxg3 Rxg3 20. Qd4 Qxd4 21. Nxd4 {½-½ (31) Vallejo Pons,F (2713)-Del Rio de Angelis,S (2522) Linares 2016}) 13... O-O-O 14. Qd3 Rg4 15. axb7+ {White is better.} Kb8 16. g3 $1 Ng6 17. Qxc3 d4 18. Qc5 {h3 is the strong threat.} ({Not} 18. Nxd4 $2 Nxd4 19. Qxc7+ (19. Qxd4 $2 Bc6 $19) 19... Kxc7 $19) 18... Be8 19. h3 Rd5 $146 ({Predecessor:} 19... Rxf4 20. gxf4 Rd5 {1-0 (40) Brkic,A (2569)-Valsecchi,A (2479) Zurich 2016}) 20. Qc4 Rxf4 21. gxf4 Qa5+ {[#]} 22. Nd2 $1 {[%cal Bf3d2,Bd2b3,Bb3c5][%mdl 32] Black must now prevent Rg1.} Nxf4 {Threatens to win with ...Rc5.} 23. Kd1 {And now Rg1 would win.} Rd8 {[#]} 24. Nb3 $1 {[%cal Rb3a5]} Qc3 (24... Qb6 $16 25. Rg1 Nxe5) 25. Qxc3 $18 dxc3+ 26. Kc1 Nxe5 (26... Rd5 $142 27. Ba6 Rxe5) 27. Nc5 Nd7 28. Ne4 Nd5 29. Bc4 N7b6 30. Bxd5 exd5 31. Nxc3 Bc6 32. Rd1 Rg8 33. a4 {Precision: White = 91%, Black = 63%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.25"]
[Round "2"]
[White "Ponomariov, Ruslan"]
[Black "Leko, Peter"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2699"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,91,18,-13,0,-22,-12,-21,-18,-23,-25,-19,0,0,-6,-6,0,0,0,0,0,0,32,32,32,25,41,41,41,41,52,52,52,52,52,52,62,59,71,39,41,21,22,0,0,0,51,46,163,163,154,154,155,161,157,151,145,150,243,198,222,227,258,245,468,437,887,851,12839,12829,12833,1372,1356,1310,1295,1264]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. Nbd2 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 7. Bb3 (7. a4 d6 8. O-O Ba7 9. h3 Ne7 10. Re1 Ng6 11. d4 c6 12. Bf1 Be6 13. a5 exd4 14. cxd4 Re8 15. Ra4 h6 16. Qc2 Qd7 17. b3 Rac8 18. e5 {½-½ (54) Fedoseev,V (2703)-Kravtsiv,M (2653) Khanty-Mansiysk 2017}) 7... h6 8. h3 d6 9. Nf1 Be6 10. Ng3 {LiveBook: 16 Games} Bxb3 11. axb3 d5 12. O-O $146 ({Predecessor:} 12. Qe2 dxe4 13. dxe4 Qd7 14. b4 Bb6 15. Nh2 Rad8 16. Ng4 Nxg4 17. hxg4 {½-½ (31) Roy Chowdhury,S (2427)-Matta,V (2292) Mumbai 2009}) 12... dxe4 13. dxe4 Qxd1 14. Rxd1 Rfd8 15. Rxd8+ Rxd8 16. Kf1 a5 17. Ke2 Nd7 18. Ne1 Bf8 (18... Nf8 {feels hotter.} 19. Nf5 Ne6 20. Nd3 Bf8 21. g3 b6) 19. Be3 Nc5 20. Bxc5 Bxc5 21. Nd3 Bf8 22. h4 b6 23. h5 g6 24. Nf1 Kg7 25. Ne3 Be7 26. Rh1 Bg5 27. Nd5 Rd7 28. f3 gxh5 29. Rxh5 f5 30. g4 fxe4 31. fxe4 Rf7 ({Black should try} 31... Ne7 $11 32. Nxe5 Nxd5 33. Rxg5+ (33. Nxd7 Nf4+ 34. Kd1 Nxh5 $11) 33... hxg5 34. Nxd7 Nf6 35. Nxf6 Kxf6) 32. Rh3 Kg6 {[#]} (32... Rd7 $14) 33. b4 $1 $18 {[%cal Bb3b4,Bb4b5][%mdl 32] Strongly threatening b5.} Bf6 34. b5 Na7 35. Nxf6 Rxf6 36. Nxe5+ $16 {[%mdl 4096] Endgame KRN-KRN} Kg7 37. c4 Nc8 (37... Re6 $16) 38. Nd3 Nd6 39. e5 Re6 40. b3 a4 $2 {[#]} (40... Nf7 41. Re3 Kh7) 41. Re3 $18 {White is clearly winning.} a3 (41... Nb7 $142 42. bxa4 Re8) 42. exd6 a2 43. dxc7 a1=Q 44. c8=Q (44. Rxe6 $142 Qa8 45. Rxb6) 44... Qa2+ 45. Kf3 Rf6+ 46. Kg3 {Precision: White = 73%, Black = 43%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.25"]
[Round "2"]
[White "Hou, Yifan"]
[Black "Studer, Noel"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2666"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,114,29,27,16,31,11,19,20,33,3,17,0,81,7,35,0,0,0,0,0,16,6,21,0,23,25,15,25,54,52,48,50,47,20,47,13,12,10,10,0,8,-4,9,20,12,12,15,0,0,0,79,79,64,61,102,121,110,118,75,-54,-48,-67,-85,-244,-247,-231,-174,-208,-219,-195,-196,-243,-231,-225,-231,-279,-165,-168,-110,-160,-118,-159,-151,-78,-78,-177,-197,-197,-34,-35,-39,-51,-55,-73,-55,-64,-27,-34,-23,-23,-23]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 h6 7. Nxf6+ Nxf6 8. Bh4 c5 9. c3 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (9. Bd3 cxd4 10. Nxd4 Bc5 11. c3 Bd7 12. O-O Bxd4 13. cxd4 Bc6 14. Be2 Rc8 15. Rc1 O-O 16. Bf3 Bxf3 17. Qxf3 {0-1 (101) Tari,A (2596)-Meier,G (2630) chess.com INT 2017}) 9... Bd7 10. Bd3 $146 ({Predecessor:} 10. Ne5 Qc7 11. Qf3 Ba4 12. Be2 Be7 13. O-O O-O 14. Bg3 Bd6 15. b3 Be8 16. Rac1 Rc8 17. Qe3 Nd5 18. Qd2 Qe7 19. c4 Nb4 {½-½ (19) Oskulski,J (2491)-Werner,G (2377) ICCF email 2009}) 10... cxd4 11. Nxd4 {The position is equal.} Bd6 12. Qe2 {Threatening Nf5.} Qa5 13. Nf5 (13. a4 $5) 13... Bf8 (13... Be5 $1 $11) 14. Ne3 ({White should try} 14. O-O $16) 14... Bc6 15. Nc4 Qh5 16. Qxh5 Nxh5 17. f3 g5 18. Bf2 Nf4 19. Bf1 g4 20. Ne5 gxf3 21. gxf3 Bd6 22. Nxc6 bxc6 23. O-O-O Nd5 24. Kc2 Bf4 25. Re1 (25. Ba6 $5 {[%cal Ra6b7]}) 25... a5 26. a3 Rg8 27. c4 {And now Re4 would win.} Ne7 28. Bb6 Nf5 29. Re4 $36 {[%mdl 2048] White is more active.} e5 30. Bh3 Nd6 31. Rxf4 exf4 32. Kc3 Rg5 (32... Rg6 $11 {keeps the balance.}) 33. Re1+ $1 $16 {[%mdl 1024] White has strong compensation.} Kf8 34. Bd7 $1 c5 35. h4 Rh5 36. Bc7 Nf5 {White should prevent ...Ra7.} 37. Bxf4 ({White must play} 37. Re5 $16 Ng3 38. Bd6+ Kg7 39. Rxh5 (39. Rxc5 Ne2+ 40. Kd3 Rxc5 $11) 39... Nxh5 40. Bxc5) 37... Rd8 $15 38. Ba4 Rxh4 39. Be5 $2 (39. Bc7 $17 Rc8 40. Bb6) 39... Rh3 $19 40. Bc6 Nd4 41. Bxd4 cxd4+ {[%mdl 4096] Endgame KRR-KRB} ({Weaker is} 41... Rxd4 42. Re5 $15) 42. Kd3 Rh2 $1 43. Rb1 h5 44. Bd5 a4 45. b3 h4 (45... Rh4 $142 {aiming for ...Re8.} 46. Bc6 axb3 47. Rxb3 Rh1) 46. bxa4 h3 (46... Ke7 $1 $19 47. Kxd4 h3) 47. Kxd4 Rg2 48. Rh1 h2 49. a5 {[#]} Rd6 $1 {[%cal Rd6a6] ...Ra6 is the strong threat.} 50. f4 {[#]} (50. Kc5 $17 {was the only chance.} Rh6 51. f4) 50... Ra2 $1 51. Kc5 Rg6 $2 (51... Rh6 $19 52. Kb4 Ke7) 52. Bc6 $15 Rxa3 53. Rxh2 Rxa5+ 54. Bb5 Ra1 55. Rf2 Rgg1 56. Kb6 Raf1 57. Rxf1 Rxf1 {Precision: White = 44%, Black = 49%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.26"]
[Round "3"]
[White "Leko, Peter"]
[Black "Hou, Yifan"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2678"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,27,30,23,16,20,23,13,20,15,31,1,6,-4,0,-14,-16,-19,-21,-20,-6,-16,-18,-19,-18,-24,0,-14,-10,-15,0,-22,0,-17,-9,-27,-2,-12,0,-31,0,-20,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Qd2 Be6 9. O-O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Qd7 10. h4 (10. Kb1 a6 11. h4 h6 12. Be2 O-O-O 13. Nd4 Nxd4 14. Bxd4 Rhg8 15. c4 Rde8 16. g3 Bd8 17. b3 Bf5 18. Rhe1 g5 {½-½ (18) Kryvoruchko,Y (2714)-Li,C (2722) Chartres 2017}) 10... h6 {LiveBook: 27 Games} (10... Bxa2 11. b3 $16) 11. c4 {White has an edge.} O-O $146 ({Predecessor:} 11... Bf6 12. Qd3 Ne5 13. Qb3 Nxf3 14. gxf3 Qc6 15. Rg1 a5 16. Bd4 O-O-O {½-½ (42) Lopez Martinez,J (2557)-Granero Roca,A (2393) La Roda 2009}) 12. Bd3 f5 13. Nd4 Ne5 14. b3 Bf6 15. Nxe6 Qxe6 16. Be2 Ng4 17. Bxg4 (17. Bf3 $5 {[%cal Rf3d5]} Nxe3 18. Qxe3 Qxe3+ 19. fxe3 $15) 17... fxg4 18. Qd5 Qxd5 19. Rxd5 Rae8 20. Kd2 b6 21. g3 Be5 22. Re1 a5 23. a4 Rf3 24. Re2 Kf7 (24... c6 $5 {[%cal Rc6d5]} 25. Rd3 c5 $11) 25. Rd3 Re6 26. c3 Bf6 27. Kc2 Re4 28. Kd2 Re6 29. Kc2 Re4 30. Kd2 Re6 {Precision: White = 52%, Black = 39%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.26"]
[Round "3"]
[White "Morozevich, Alexander"]
[Black "Harikrishna, P.."]
[Result "1/2-1/2"]
[ECO "E37"]
[WhiteElo "2675"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,37,33,33,50,17,12,0,3,0,0,0,0,0,0,0,-6,-28,0,0,0,0,0,0,0,0,0,0,0,-9,0,-52,50,52,67,51,122,102,84,31,187,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 c5 8. dxc5 {E37: Nimzo-Indian: Classical: 4...d5 5 a3 Bxc3+ 6 Qxc3 Ne4} Nc6 9. cxd5 (9. Nf3 Qa5+ 10. Bd2 Qxc5 11. e3 Nxd2 12. Nxd2 dxc4 13. Bxc4 O-O 14. b4 Qe7 15. Bd3 h6 16. Qc3 a6 17. O-O Bd7 {½-½ (26) Giri,A (2784)-Adams,M (2737) London 2015}) 9... exd5 10. e3 Qf6 11. f3 Qh4+ 12. g3 Nxg3 $1 13. Qf2 Nf5 {Black wants to play ...Qe7.} 14. Qxh4 Nxh4 15. b4 a5 {[#]} 16. b5 $146 Ne5 17. Kf2 O-O 18. Bb2 f6 19. Rd1 Be6 20. Ne2 Nexf3 21. Nf4 $132 {[%mdl 2048] White is not keeping still} Bf7 22. Nxd5 ({White should play} 22. Ng2 $11) 22... Rfd8 (22... Ng5 $1 $15 23. c6 bxc6 24. Ne7+ Kh8 25. Nxc6 Rfe8) 23. e4 $14 Ng5 24. Bd3 f5 (24... Rab8 $14) 25. Nb6 fxe4 26. Be2 Rf8 $2 {[#]} (26... Rxd1 $1 $14 27. Rxd1 Rf8) 27. Nxa8 $2 (27. Kg3 $1 $18 {[%cal Rg3h4]} Nf5+ 28. Kg4) 27... Bc4+ $1 $11 {The position is equal.} 28. Ke3 Ng2+ 29. Kd2 e3+ 30. Kc1 $1 Bxe2 31. Rd7 $1 {[%csl LRb7,LRg7]} Ne6 $1 32. Nc7 Bxb5 $1 33. Nxb5 e2 {[#] And now ...Rf1+ would win.} 34. Kd2 Rf1 35. Kxe2 Rxh1 36. Rxb7 {Hoping for c6.} Ngf4+ 37. Kf3 {Black must now prevent c6.} Rf1+ 38. Ke3 Re1+ 39. Kf3 Rf1+ 40. Ke3 Re1+ 41. Kf3 {Precision: White = 74%, Black = 55%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.26"]
[Round "3"]
[White "Vaganian, Rafael A"]
[Black "Ponomariov, Ruslan"]
[Result "1/2-1/2"]
[ECO "D73"]
[WhiteElo "2562"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,80,41,27,-12,21,16,19,9,19,24,39,31,19,19,32,22,27,31,37,43,38,50,35,40,93,99,77,37,37,37,37,37,84,52,52,51,51,51,51,58,58,30,30,28,25,30,43,43,43,18,18,18,18,18,49,49,49,49,49,49,49,49,49]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 d5 5. Bg2 dxc4 6. Na3 c3 7. bxc3 O-O 8. O-O c5 9. e3 Nc6 10. Qe2 Bf5 11. Rd1 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6} Qa5 12. Bb2 Rfd8 13. Nd2 {The position is equal.} cxd4 14. cxd4 Bg4 15. f3 $1 {[%cal Rf3g4]} Be6 16. Nb3 Bxb3 17. axb3 Qb4 18. Rd3 {[#]} e5 $146 ({Predecessor:} 18... Rac8) 19. dxe5 Rxd3 20. Qxd3 Rd8 21. Qb5 Qxb5 ({Better is} 21... Nd5 $14) 22. Nxb5 $16 Nd5 23. Nxa7 {Hoping for f4.} Nxe3 {[#] Strongly threatening ...Rd2.} 24. Nxc6 bxc6 25. Bc3 Bf8 26. Be1 Nc2 27. Rc1 Nxe1 28. Rxe1 $14 {[%mdl 4096] Endgame KRB-KRB} Bc5+ 29. Kh1 $1 Bb4 30. Rb1 g5 31. f4 gxf4 32. gxf4 Rd4 33. f5 Rf4 34. Bh3 Re4 35. e6 fxe6 36. fxe6 Re1+ 37. Rxe1 {White is slightly better.} Bxe1 38. Bg2 c5 $1 39. Bd5 {[#] White wants to mate with e7+.} Kf8 40. Kg2 Ke7 {Precision: White = 71%, Black = 61%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.26"]
[Round "3"]
[White "Georgiadis, Nico"]
[Black "Bacrot, Etienne"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2496"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,15,25,8,14,16,20,12,20,14,20,20,20,16,16,13,13,13,13,13,13,10,13,17,19,14,15,8,8,8,8,8,6,8,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 {[%cal Be4d6,Bd6e8,Be8c7][%mdl 32]} 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (9. d4 Bf6 10. Re1 Nf5 11. d5 d6 12. Nd2 Re8 13. Ne4 Bd7 14. c3 h6 15. Bd3 Nh4 16. g3 Ng6 17. f4 c6 18. Be3 {½-½ (70) Anand,V (2786)-Kramnik,V (2808) Leuven 2017}) 9... Ne8 {The position is equal.} 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Be7 ({Much weaker is} 12... Qh4 13. g3 $16) 13. c4 Nc7 14. d4 d5 15. cxd5 Bb4 16. Bd2 Bxd2 17. Qxd2 {next dxc6 is good for White.} Nxd5 18. Nxd5 Qxd5 19. Re5 Qd6 20. Bc4 Bd7 21. Rae1 b5 22. Bb3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 23. a3 {[#]} a4 $146 24. Ba2 Rae8 25. Rxe8 (25. Qe3 $5 {[%cal Re5e8]} g6 26. h3 $11) 25... Rxe8 26. Rxe8+ Bxe8 27. Qc3 Bd7 28. Qc5 Qxc5 29. dxc5 $11 {[%mdl 4096] Endgame KB-KB} Bf5 30. f4 Kf8 31. Kf2 Ke7 32. Ke3 Kf6 33. g3 Be6 34. Bb1 $1 Bf5 35. Ba2 Be6 36. Bb1 $1 Bf5 37. Ba2 {Precision: White = 87%, Black = 84%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.26"]
[Round "3"]
[White "Studer, Noel"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "A62"]
[WhiteElo "2493"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "166"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,166,20,0,0,0,0,0,0,0,0,0,0,-12,-10,-71,-76,-82,-87,-120,-127,-130,-98,-121,-13,-24,-31,-37,59,45,44,60,59,63,58,59,50,52,44,13,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-47,-72,-61,-27,-27,-27,-27,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-27,-27,-27,0,0,0,0,0,0,0,0,0,0,0,-27,-27,-27,-27,-27,-27,-27,-27,-27,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 Bf5 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} 11. Nh4 Bg4 (11... Bc8 12. Qd2 a6 13. a4 Qe7 14. h3 Nbd7 15. e4 Rb8 16. Nf3 b5 17. axb5 axb5 18. Rfe1 {½-½ (47) Inarkiev,E (2727)-Harikrishna,P (2750) Moscow 2017}) 12. h3 {LiveBook: 3 Games} Nh5 13. Bc1 $146 ({Find the theoretical novelty and annotate with similar games:} 13. hxg4 Nxf4 14. gxf4 Qxh4 15. e3 Nd7 16. Ne4 Nf6 17. Nxf6+ Qxf6 18. Rb1 {0-1 (57) Feller,S (2573)-Donchenko,A (2581) Germany 2017}) 13... Bd7 14. a4 Na6 15. Nf3 Qc8 16. Ng5 Nb4 17. g4 (17. Nge4 $5 {[%cal Re4d6]} Be5 18. g4 $11) 17... Nf6 18. Bf4 (18. Nge4 $11 Nxe4 19. Nxe4 Rxe4 20. Bxe4) 18... h6 $17 19. Nf3 {[#]} h5 $1 20. Bxd6 hxg4 21. hxg4 Bxg4 22. Qd2 {[#]} Qf5 (22... Bh3 $1 $17 23. Bg3 Nh5) 23. Bxc5 Nbxd5 24. Nxd5 Ne4 (24... Nxd5 $15 25. e4 Qh5 26. Qxd5 Bxf3 27. Qxh5 Bxh5) 25. Qd3 $1 $14 Nxc5 26. Qxf5 $1 Bxf5 27. Nc7 $1 {[%csl LRa8,LRe8]} Bxb2 28. Ra2 Bf6 29. Nxa8 Rxa8 30. Nd2 Rd8 31. Nc4 (31. Rc1 $5 {[%cal Rc1c5]} Be6 32. Rac2 $11) 31... b6 {[%cal Bb7b6,Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 32. a5 b5 33. Ne3 b4 34. Nd5 b3 35. Nxf6+ Kg7 36. Rb2 Kxf6 37. Rc1 Bc2 $1 38. Rbxc2 bxc2 39. Rxc2 $11 {[%mdl 4096] Endgame KRB-KRN} Nb3 40. a6 {Black should prevent Rc7.} Rd1+ 41. Kh2 Rc1 42. Ra2 Nc5 43. Bd5 Rd1 44. Bc4 Ne4 45. Ra3 Kg5 46. Kg2 f5 47. Bd3 Nc5 48. Bb5 Rb1 49. Bc4 Rb4 (49... Rc1 $5 {[%cal Rc1c4]} 50. Bd5 Kf6 $11) 50. Rc3 Rb2 51. Ra3 (51. Bf7 $5 {[%cal Rc3c5]} Ne4 52. Rc6 Rxe2 53. Kf3 Rxf2+ 54. Ke3 $11) 51... Rc2 52. Bb5 Ne6 53. Ra4 Rd2 54. Rb4 Rd6 55. Bc4 {Threatening Rb7.} Rd4 {Strongly threatening ...Nf4+.} 56. e3 Re4 57. f3 $1 {[%cal Rf3e4]} Rxe3 58. Rb7 Nc5 59. Rxa7 {Rf7 is the strong threat.} Rc3 60. Be2 Ne6 61. Rd7 {And now a7 would win.} Nf4+ 62. Kf1 Nxe2 63. Kxe2 {KR-KR} Ra3 64. Rd6 f4 65. Kf2 Ra2+ 66. Kg1 Kh5 67. Rc6 g5 68. Rb6 Kh4 {Hoping for ...Kg3.} 69. Rg6 $1 Kg3 {[%cal Ra2a1]} 70. Rxg5+ Kxf3 71. Rb5 Ra1+ (71... Rxa6 $5 72. Rb3+ $8 Ke2 $11) 72. Kh2 Ke3 (72... Rxa6 $5 73. Rb3+ $8 Ke4 $11) 73. Rb3+ Kf2 74. Rb2+ Kf1 75. Rb3 Kf2 76. Rb2+ Kf3 77. Rb3+ Kg4 78. Kg2 Rxa6 79. Kf2 Ra2+ 80. Kf1 Rh2 81. Kg1 Re2 82. Kf1 Re3 83. Rxe3 fxe3 {Precision: White = 70%, Black = 68%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.27"]
[Round "4"]
[White "Harikrishna, P.."]
[Black "Studer, Noel"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2737"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,47,4,11,11,22,13,21,-1,29,25,112,89,71,99,99,91,256,345,433,418,959,959,1130,1130]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Nd1 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} (9. dxc5 Bxc5 10. Bd3 Qb6 11. Bf2 h6 12. O-O O-O 13. Rae1 Ra7 14. f5 Bxf2+ 15. Rxf2 d4 16. Ne4 exf5 17. Ng3 f6 {½-½ (56) Yu,Y (2749)-Vitiugov,N (2720) Khanty-Mansiysk 2017}) 9... Qb6 10. c3 a5 11. Bd3 b4 12. O-O Ba6 13. Bxa6 Qxa6 {LiveBook: 4 Games} 14. f5 exf5 {[#]} 15. Bf4 $146 ({Predecessor:} 15. Ng5 cxd4 16. cxd4 h6 17. Nh3 Ne7 18. a3 bxa3 19. Rxa3 {1-0 (32) Nijboer,F (2583)-Van Eijk,S (2387) Groningen 2010}) 15... bxc3 16. Nxc3 Nb6 17. a4 Nd8 (17... cxd4 $11 {remains equal.} 18. Nb5 Bb4 19. Nd6+ Bxd6 20. exd6 O-O) 18. Nb5 $16 Ne6 19. Ng5 $36 {[%mdl 2048] aiming for Nxe6. Keeping Black busy.} Qc8 20. g4 {Nxe6 is the strong threat.} fxg4 $2 {[#]} (20... Nxg5 $16 {was necessary.} 21. Bxg5 h6) 21. Be3 $1 $18 Nxg5 22. Bxg5 Qd7 ({Weaker is} 22... h6 23. Bh4 $18) (22... g3 $142 23. Qf4 (23. hxg3 h6 $18) 23... Qb7) 23. Rae1 Nc8 24. Qf4 {Precision: White = 100%, Black = 17%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.27"]
[Round "4"]
[White "Navara, David"]
[Black "Leko, Peter"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2737"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,8,12,28,17,7,14,12,12,5,12,22,20,38,21,35,40,58,66,83,79,111,81,177,114,124,90,62,69,68,75,163,148,137,139,181,159,188,183,178,154,239,220,369,366,372,346,356,235,228,229,228,232,231,257,590,577,562,561,5310,5302,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. Qa4+ Nc6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 9. Rc1 (9. Rd1 Rd8 10. Qc2 Bf8 11. a3 g6 12. Be2 Bg7 13. O-O a5 14. Nb5 Qe7 15. Rc1 dxc4 16. Bxc4 {½-½ (35) Aronian,L (2793)-So,W (2812) Leuven 2017}) 9... Rd8 10. Be2 dxc4 {The position is equal.} 11. Bxc4 Bd7 12. Qc2 Bd6 $146 (12... Na5 $5 {[%cal Ra5c4]} 13. Be2 Nc6 $14) ({Predecessor:} 12... e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Bxf7+ Kh8 16. Bg6 {1-0 (50) Cmilyte,V (2524)-Hou,Y (2606) Beijing 2012}) 13. O-O a6 14. Rfd1 Qe7 15. a3 Rac8 16. Ba2 Nb8 17. e4 Bf4 18. Ra1 {[#] Threatens to win with g3.} Bc6 (18... c5 $16) 19. h4 (19. Re1 $18) 19... h5 $16 20. Ne2 Bh6 21. Ng3 g6 22. d5 exd5 (22... Bd7 $16 {keeps fighting.}) 23. exd5 $18 Be8 24. Re1 Qf8 25. Ng5 $36 {[%mdl 2048] Black is under strong pressure.} Kh8 26. Rad1 Nd7 27. Qb3 Nb6 (27... Nc5 $16 28. Qf3 Qg7) 28. Qf3 Kg8 (28... Bxg5 {was called for.} 29. hxg5 Ba4) 29. N3e4 Nd7 30. d6 Bg7 31. Nxf7 Bxf7 32. Qxf7+ Qxf7 33. Bxf7+ Kxf7 34. Ng5+ Kf6 $2 (34... Kg8 {is a better chance.}) 35. Re7 {[#] White wants to mate with Rf7+.} Ne5 36. Rd5 Kf5 {aiming for ...c6.} 37. Rxg7 {White threatens Rf7+ and mate.} (37. d7 Rb8 $18) 37... Rxd6 38. Rf7+ $1 Rf6 39. Re7 {Precision: White = 79%, Black = 35%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.27"]
[Round "4"]
[White "Bacrot, Etienne"]
[Black "Morozevich, Alexander"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2715"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,79,17,19,38,29,43,34,68,79,73,80,85,72,70,70,70,70,70,70,70,66,80,69,84,89,116,123,115,90,237,237,236,236,237,227,562,691,677,559,672,671,635,551,783,671,621,621,606,594,811,796,1498,1483,1925,1888,29994,29995]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 Nc6 6. Nc3 g6 7. d4 cxd4 8. Nxd4 Bg7 9. Be3 Nf6 10. f3 O-O 11. O-O a6 12. Qd3 {B52: Sicilian: Moscow Variation with 3...Bd7} (12. a4 e6 13. Rc1 Ne5 14. b3 d5 15. cxd5 exd5 16. exd5 Nxd5 17. Nxd5 Qxd5 18. Nf5 Nxf3+ 19. Rxf3 Qxd1+ 20. Rxd1 gxf5 {½-½ (30) Sandipan,C (2573)-Sjugirov,S (2673) Moscow 2017}) 12... Ne5 13. Qe2 {LiveBook: 3 Games} e6 14. Rac1 {White is slightly better.} Rfc8 $146 ({Predecessor:} 14... Qc7 15. b3 Rac8 16. Rfd1 Nfd7 17. Kh1 Rfd8 18. h3 Qa5 19. Qd2 Nc5 {½-½ (28) Banet,J (2474)-Boccia,M (2465) ICCF email 2011}) 15. b3 d5 {[%cal Rd5c4]} 16. f4 $1 {[%cal Rf4e5]} Neg4 17. e5 Nxe3 18. Qxe3 Ng4 19. Qe2 dxc4 20. Rfd1 h5 21. h3 {[%cal Bh2h3,Bh3g4,Bg4g5,Bg5f6][%mdl 32]} Nh6 22. bxc4 Qc7 23. Ne4 $36 {[%mdl 2048] White has some pressure.} Rd8 24. g4 hxg4 25. hxg4 Rd7 26. c5 Rd5 {[#]} (26... Qd8 $16) 27. g5 $1 $18 {[%cal Rg5h6]} Nf5 28. Nxf5 Rxd1+ 29. Qxd1 gxf5 $2 {[#]} (29... exf5 {is more resistant.} 30. Nd6 Rd8) 30. Nf6+ $1 Bxf6 31. gxf6 {[%mdl 4096] Endgame KQR-KQR} Qd8 32. Qd6 Rc8 33. Rc2 Kh7 34. Rh2+ Kg6 {intending ...Qa5.} 35. Rg2+ Kh6 36. Kh2 Kh5 37. Rg7 Kh4 38. Kg2 a5 39. Kf3 {[%cal Rg7h7]} Qh8 40. Qd2 {Precision: White = 98%, Black = 36%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.27"]
[Round "4"]
[White "Ponomariov, Ruslan"]
[Black "Hou, Yifan"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2699"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,98,-14,-13,-20,20,15,3,20,14,-61,-57,-55,-49,-69,-42,-57,-53,-45,-52,-62,-60,-59,-56,-88,-98,-72,-73,-87,-79,-83,-90,-102,-99,-114,-107,-136,-20,-18,-34,-74,-79,-129,0,0,0,0,0,0,0,0,0,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-29,-30,-30,-30,-30,-30,-37,-44,-44,-46,0,-47,-47,-58,-63,-64,-64,-69,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 O-O {Hoping for ...d5!} 6. Nf3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} exf4 (6... Ng4 $5 {[%cal Rg4f2]} 7. Qe2 d6 $11) 7. Bxf4 d6 8. Qd2 (8. Bg5 h6 9. Bh4 Be6 10. Bb3 Nd4 11. Rf1 Nxf3+ 12. Qxf3 Bd4 13. Ne2 Bxb2 14. Rb1 Ba3 15. Nf4 {1-0 (69) Kasparov,G (2812)-Caruana,F (2795) Saint Louis 2016}) 8... Be6 9. Bg5 (9. Bxe6 $11 fxe6 10. O-O-O) 9... Bxc4 $146 ({Predecessor:} 9... a6 10. O-O-O Rb8 11. Bd5 Bb4 12. Rdf1 Ne7 13. Bxf6 gxf6 14. Nd4 Bxd5 15. exd5 Nxd5 16. Qh6 Ne7 17. Nd5 Nxd5 18. Nf5 {1-0 (18) Have,D (1971)-Dube,D (1701) Montreal 2015}) 10. dxc4 Bb4 11. Qf4 Bxc3+ 12. bxc3 Qe7 13. Bxf6 Qxf6 14. Qxf6 gxf6 15. O-O Rae8 16. Nd2 Kg7 17. Rf4 Re5 18. Rb1 b6 19. Rb5 Rfe8 20. Kf2 h5 21. Rh4 Kg6 22. Nf3 Rxb5 (22... Rxe4 $17 {White must now prevent ...Re2+.} 23. Rbxh5 Re2+ 24. Kf1 Rxc2) 23. cxb5 $17 {[%mdl 4096] Endgame KRN-KRN} Ne5 24. Ke3 {[#]} Nxf3 $1 25. gxf3 {[#] KR-KR} Kg5 ({Black should play} 25... Re5 $1 $17 26. c4 Rc5) 26. Rf4 $11 Re5 27. c4 Rc5 28. h4+ Kg6 29. Kd4 Re5 30. Rf5 Rxf5 31. exf5+ Kxf5 {KP-KP} 32. Ke3 $1 Ke5 33. f4+ Kf5 {aiming for ...Kg4.} 34. Kf3 Ke6 35. Ke4 f5+ 36. Kd4 Ke7 37. Kc3 Kd7 38. Kd3 Kc8 39. Kd4 Kd8 40. Kc3 Kd7 (40... c6 $5) 41. Kd3 c6 42. a4 Kc7 43. Kd4 {[#]} a6 $1 {[%mdl 512]} 44. Kc3 (44. bxa6 Kb8) 44... cxb5 (44... Kb8 $15) 45. cxb5 {The position is equal.} axb5 46. axb5 d5 47. Kd4 Kd6 48. c3 Ke6 (48... f6 $5) 49. Ke3 Kd6 {Precision: White = 63%, Black = 67%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.27"]
[Round "4"]
[White "Vaganian, Rafael A"]
[Black "Georgiadis, Nico"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2562"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,78,0,-6,0,-4,15,2,3,3,7,0,0,-8,12,-4,3,-24,-28,-39,-44,-20,-26,-29,-32,-29,-10,-59,-52,-70,-64,-58,-25,-86,-62,-65,-72,-64,-58,-49,-53,-75,-74,-131,-118,-264,-255,-338,-324,-330,-321,-480,-449,-578,-556,-583,-577,-573,-583,-551,-551,-624,-629,-617,-616,-627,-598,-617,-617]} 1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 O-O 5. e3 d6 6. Be2 Nbd7 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} 7. h3 {LiveBook: 7 Games} b6 8. a4 a5 {The position is equal.} 9. c3 Bb7 10. O-O h6 $146 ({Predecessor:} 10... e6 11. Re1 Qe7 12. b4 h6 13. Bh4 e5 14. bxa5 e4 15. Nh2 Rxa5 16. Nb3 Ra7 {1-0 (52) Mateo,R (2488)-Phillips,R (2250) Dresden 2008}) 11. Bh4 e5 12. Bb5 Qe8 13. dxe5 dxe5 14. Bxf6 Bxf6 15. e4 Qe7 16. Qc2 Nc5 17. Rfe1 Rfd8 18. Rab1 Ne6 19. Bf1 Bc6 20. Bb5 Bxb5 $1 21. axb5 Qc5 22. c4 (22. Qa4 $1 $11) 22... Rd7 23. Rbd1 Rad8 24. Nb3 Qb4 $36 {[%mdl 2048] aiming for ...Rxd1. White is under pressure.} 25. Rd5 a4 26. Nbd2 Nc5 27. Rb1 (27. Rxd7 $142 Rxd7 28. Ra1) 27... Rxd5 $17 28. exd5 {[#]} (28. cxd5 $17 {was forced.} Qxb5 29. Rd1) 28... e4 $1 $19 {[%cal Re4f3][%mdl 512]} 29. Nxe4 Nxe4 30. Qxe4 Bxb2 31. Qh4 (31. Ne5 $142 Re8 32. Qc2) 31... Ra8 {Black is clearly winning.} ({Less strong is} 31... Re8 32. Qxh6 a3 33. Ng5 $19) 32. Qe4 a3 33. d6 Rf8 34. dxc7 a2 35. Rf1 {With the idea Qc6.} Qc5 36. Nd2 {If only White now had time for Nb3....} a1=Q 37. Rxa1 Bxa1 38. Nb3 Qe5 39. Qd3 Qe1+ {Precision: White = 37%, Black = 84%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.28"]
[Round "5"]
[White "Leko, Peter"]
[Black "Harikrishna, P.."]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2678"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,113,25,25,30,39,50,49,0,41,41,52,50,52,47,47,35,29,29,34,43,42,4,37,15,34,33,40,35,139,137,169,162,150,160,174,31,31,31,26,40,40,21,21,21,21,23,25,25,25,25,19,15,16,16,20,5,19,16,24,8,8,8,8,8,8,8,8,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d4 d6 10. dxe5 dxe5 11. Nbd2 {C88: Closed Ruy Lopez: Anti-Marshall Systems} Bc5 12. a5 h6 13. Qe2 Qe7 {LiveBook: 4 Games} 14. Bc4 {[#]} Nd4 $146 ({Find the theoretical novelty and annotate with similar games:} 14... Rd8 15. Nb3 Bd6 16. h3 Nb8 17. Bd3 Nbd7 18. Nfd2 Nc5 19. Nxc5 Bxc5 {½-½ (46) Bologan,V (2640)-Leko,P (2693) Tallinn 2016}) 15. Nxd4 Bxd4 16. Nf3 (16. Nb3 $5 {[%cal Rb3d4]}) 16... Bc5 17. Be3 Bb7 18. Nd2 Bxe3 19. Qxe3 Rfd8 20. Bd3 Bc8 21. Nc4 Nh5 22. Bf1 Bd7 23. Nd2 Nf6 24. h3 Be6 25. Nf3 Qd6 26. Re2 {[%cal Be1e2,Be2d2,Bd2d8][%mdl 32]} b3 (26... Nd7 $14) 27. Rd2 $16 Qb4 28. Rxd8+ Rxd8 29. cxb3 Qd6 30. Qc3 (30. Be2 $18) 30... Nxe4 $14 31. Qxe5 Qxe5 32. Nxe5 Nd2 $1 33. Bxa6 {[#] Bb7 is the strong threat.} (33. b4 $5 {[%cal Rf1a6]} Nxf1 34. Rxf1 $14 (34. Kxf1 f6 $14)) 33... Nxb3 34. Ra3 {Hoping for Bb7.} Ra8 35. Bc4 Rxa5 36. Bxe6 fxe6 37. Rxa5 Nxa5 $11 {[%mdl 4096] Endgame KN-KN} 38. f4 Kf8 39. Kf2 Ke7 40. b4 Nb7 41. Ke3 Nd6 42. g4 Nb5 {The position is equal.} 43. Kd3 Kd6 44. Nc4+ Kd5 45. Ne3+ Kd6 46. f5 c5 47. bxc5+ Kxc5 48. fxe6 {[#] Strongly threatening Nf5.} Kd6 49. Nf5+ Kxe6 50. Nxg7+ Kf6 51. Nh5+ Kg5 52. Ke4 Kh4 53. Kf5 Nd6+ 54. Kg6 Kxh3 55. Nf6 Ne4 56. Nxe4 {White threatens Nf6 and mate.} Kxg4 57. Kxh6 {Precision: White = 65%, Black = 63%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.28"]
[Round "5"]
[White "Morozevich, Alexander"]
[Black "Vaganian, Rafael A"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "2675"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,98,67,74,40,52,42,52,39,92,74,91,80,133,119,222,214,238,181,234,243,242,248,237,232,270,265,334,332,325,319,353,349,407,394,529,501,499,499,497,481,552,538,652,650,680,680,668,459,441,451,422,378,555,549,563,556,545,546,609,592,545,514,693,701,1075,1049,964,994]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. a3 Bf8 6. Bb5+ {[%cal Bf1b5,Bb5a4,Ba4c2][%mdl 32]} c6 7. Ba4 a5 8. Nce2 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5} (8. Nf3 Ba6 9. Ne2 Bxe2 10. Qxe2 b5 11. Bb3 a4 12. Ba2 Be7 13. c3 h5 14. Bb1 Nh6 15. h3 Kd7 {1-0 (36) Morozevich,A (2683)-Glek,I (2404) Cheboksary 2016}) 8... Ba6 9. c3 Bb5 10. Bc2 {LiveBook: 4 Games. White is better.} a4 11. h4 $146 ({Predecessor:} 11. Nf3 c5 12. O-O Ne7 13. Re1 Ng6 14. g3 Nc6 15. h4 Qd7 {1-0 (39) Stojanovski,D (2437)-Nikoloski,K (2142) Struga 2010}) 11... c5 12. Nf3 Qd7 13. h5 Nh6 ({Better is} 13... h6 $14) 14. O-O Nc6 15. Re1 {[%cal Bf1e1,Be1e2,Be2e3,Be3h3][%mdl 32]} Bxe2 (15... Ng8 $142) 16. Rxe2 c4 (16... b5 $16 17. Bxh6 gxh6) 17. Bxa4 g6 18. Nh2 {[%cal Bf3h2,Bh2g4,Bg4f6][%mdl 32]} gxh5 (18... Nf5 $142 19. Bg5 gxh5) 19. Re3 $18 Nf5 20. Rh3 h4 21. Bg5 Be7 22. Bxe7 Kxe7 23. Ng4 Kd8 24. Nf6 Qb7 25. Bc2 Nce7 26. Qh5 $1 {[%csl LRf7,LRh7]} Rf8 27. Nxh7 Kc7 28. Nxf8 Rxf8 29. a4 Kb8 30. Rb1 Qc8 31. b3 cxb3 32. Rxb3 Nxd4 33. Rxb6+ Ka7 34. Rb2 ({Not} 34. cxd4 Kxb6 35. Rb3+ (35. Qxh4 Qxc2 36. a5+ Kxa5 $11) 35... Ka7 $18) 34... Nxc2 35. Rxc2 Nf5 (35... Ng6 {was worth a try.} 36. Qd1 Qc7 37. Qd4+ Ka6) 36. Rb2 {White is clearly winning.} Qc7 37. Qe2 Rb8 38. Rxb8 Qxb8 39. Rd3 Qb3 40. Rd1 Qxc3 41. Qb5 {[#] Qd7+ is the strong threat.} Qc7 42. a5 Ne7 43. Rb1 {Precision: White = 80%, Black = 34%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.28"]
[Round "5"]
[White "Hou, Yifan"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2666"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,79,44,36,13,42,40,41,39,41,35,38,35,32,32,53,49,75,79,79,0,45,37,85,54,108,113,108,101,131,142,142,150,143,120,173,183,154,140,137,147,152,122,202,166,191,235,228,205,314,307,387,387,545,485,943,950,972,988,982,982,947,925,856,857,799,643,29985,29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bc1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Nc6 9. Nxc6 bxc6 10. Bc4 {White is slightly better.} e5 11. b3 Be7 12. Bb2 O-O 13. Qe2 {[#]} Nf6 $146 ({Predecessor:} 13... Qb6 14. O-O Nf6 15. Kh1 a5 {1-0 (38) Adams,M (2736)-Salem,A (2638) Geneve 2017}) 14. O-O-O Be6 15. Bxe6 fxe6 16. f4 (16. Kb1 $16) 16... Nd7 17. f5 Nb6 18. Rhf1 Qd7 (18... exf5 $14 19. Rxf5 Rxf5 20. exf5 Qc7) 19. g4 $16 a5 {[#]} 20. a4 $1 Rab8 21. Kb1 d5 {[#]} 22. fxe6 $1 Qxe6 {And now ...d4 would win.} 23. Rxf8+ Bxf8 (23... Rxf8 $16 24. Qa6 Bd8) 24. exd5 $18 cxd5 25. Nb5 e4 26. Qe3 Rb7 27. h3 Rf7 (27... Bb4 $16 {was worth a try.}) 28. Nd4 Bc5 29. Qd2 Bxd4 30. Bxd4 Nd7 (30... Nc8 $142 31. Qxa5 Ne7) 31. Qxa5 Rf3 32. Qb5 e3 (32... Rf8 $142 33. Bc3 Rc8) 33. Re1 Rxh3 (33... Nf8 $142 34. a5 Qe4) 34. a5 {[%cal Ba4a5,Ba5a6][%mdl 32]} Qxg4 35. Qxd5+ Kh7 36. a6 Rh5 37. Qd6 e2 38. a7 Ra5 39. Kb2 Qh4 40. Qxd7 {Precision: White = 81%, Black = 30%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.28"]
[Round "5"]
[White "Georgiadis, Nico"]
[Black "Ponomariov, Ruslan"]
[Result "1/2-1/2"]
[ECO "B77"]
[WhiteElo "2496"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,58,33,11,10,15,16,0,19,18,29,0,14,0,4,0,10,4,10,0,16,17,19,18,31,32,35,0,0,0,39,0,0,0,54]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. h4 a5 13. a4 bxa4 14. Nxa4 Be6 {B77: Sicilian Dragon: Yugoslav Attack, 9 Bc4 sidelines} (14... h5 15. Nb6 Ra6 16. Nxd7 Nxd7 17. Bxg7 Kxg7 18. Bc4 Ra8 19. Qd4+ {½-½ (19) Vachier Lagrave,M (2795)-Radjabov,T (2710) Moscow 2017}) 15. Bxe6 fxe6 16. O-O {[#]} Nh5 $146 ({Find the theoretical novelty and annotate with similar games:} 16... Rb8 17. b3 Qc7 18. Nb2 Rb4 19. Bc3 Nxe4 20. fxe4 Qxc3 21. Rxf8+ Kxf8 22. Rf1+ Ke8 23. Qxc3 Bxc3 24. Nc4 a4 25. Rf3 Rxc4 26. bxc4 Bb2 {0-1 (26) Fernandez Diaz,C (2134)-Iturrizaga Bonelli,E (2603) Barcelona 2011}) 17. Bxg7 Kxg7 18. Kh2 Qb8 19. Qe3 Ra7 20. g3 Rc7 {aiming for ...d5.} 21. Rf2 Qb5 22. Ra2 (22. Kg2 {with more complications.} Nf6 23. b3 Rb8 24. Qd2 Rbc8 25. Ra2) 22... Rb8 (22... Qe5 $5 {[%cal Re5g3]} 23. Qg5 Qd4 $11) 23. b3 Nf6 24. Nb2 Ra8 25. Kg2 Nd7 26. Qd3 Qc5 27. Qd2 Qb5 28. Qd3 Qc5 29. Qd2 ({Better is} 29. Na4 $11 Qb4 30. Qe2) 29... Qb5 {Precision: White = 47%, Black = 50%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.28"]
[Round "5"]
[White "Studer, Noel"]
[Black "Bacrot, Etienne"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "2493"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,92,16,17,13,24,18,16,20,4,23,13,6,8,18,20,27,27,31,6,33,27,30,36,31,28,19,26,68,58,89,42,61,9,41,-68,-37,-236,-236,-257,-251,-268,-250,-269,-274,-262,-237,-260,-244,-417,-416,-399,-406,-950,-941,-912,-559,-895,-535,-1025,-525,-700,-416,-684,-64,-944,-670,-854,-408,-376,-348,-557,-358,-735,-725,-714,-680,-1220,-1178,-1055,-1035,-1741,-1697]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7} (7... a6 8. a4 Bd7 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}) 8. Bg5 Nd5 9. Bxe7 Qxe7 {The position is equal.} 10. Qxc4 Ba6 11. Qc2 Nd7 $146 ({Predecessor:} 11... c5 12. Rd1 Nd7 13. e4 Nb4 14. Qa4 Be2 15. Rd2 Bxf3 16. Bxf3 cxd4 17. Rxd4 {½-½ (28) Kobalia,M (2628)-Esipenko,A (2502) Moscow 2017}) 12. Nc3 c5 13. Nxd5 exd5 14. Rfe1 Bb7 15. Qa4 Rfe8 16. Rac1 a6 17. dxc5 bxc5 18. Qa5 Rac8 19. Nd2 Nf8 20. e4 d4 21. Nb3 Ne6 22. Rc4 (22. Qd2 $14) 22... Red8 23. Rd1 {[#]} (23. h4 $14) 23... f5 $1 $36 {[%mdl 2560] Black has the initiative.} 24. Re1 $2 ({White should try} 24. Nd2 $15) (24. exf5 Ng5) 24... fxe4 $19 25. Bxe4 Bxe4 26. Rxe4 Qf7 $1 27. Qd2 Qf5 28. Qd3 Rf8 $1 29. f4 {[#]} g5 $1 30. Qf3 $2 (30. g4 Qxg4+ 31. Qg3) 30... gxf4 {Strongly threatening ...Ng5.} 31. h4 Kh8 32. Nd2 (32. Nxc5 $142 Rg8 33. Nxe6 Rxc4 34. Qxf4 Qxf4 35. Rxf4) 32... Rg8 33. Nf1 Rcf8 34. Re1 Qf6 35. Ra4 Nc7 {[%cal Be6c7,Bc7d5,Bd5b4][%mdl 32]} 36. Ra5 Qd6 37. Qh5 (37. g4 $142) 37... f3 $2 (37... fxg3 $19 {aiming for ...g2.} 38. Rxc5 Ne6 39. Qe5+ Qxe5 40. Rcxe5 Nf4) 38. Kf2 $2 {[%mdl 8192]} (38. Qe5+ $15 Rf6 39. Qxd6 f2+ 40. Kh1 Rxd6 41. Re2) 38... Nd5 39. Qe5+ Qxe5 (39... Nf6 $142 40. Kg1 {[#]} f2+ $1 {[%mdl 512]} 41. Kxf2 Qxe5 42. Rxe5 Ng4+ 43. Kg1 Nxe5 44. Rxc5 Nf3+ 45. Kh1 Ne1) 40. Rxe5 Nb4 {And now ...Nd3+ would win.} 41. Re6 $2 (41. Ra3 {keeps fighting.} c4 42. Re4) 41... Rg6 42. Rxg6 $2 (42. Re4 Nd3+ 43. Kg1) 42... Nd3+ {Black is clearly winning.} 43. Kg1 hxg6 44. Rxa6 f2+ 45. Kg2 Nxb2 46. Ra3 c4 {Precision: White = 31%, Black = 63%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.30"]
[Round "6"]
[White "Harikrishna, P.."]
[Black "Hou, Yifan"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2737"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,103,37,70,8,41,11,20,3,16,11,33,21,21,21,27,30,23,32,33,33,29,21,33,35,44,17,15,15,15,0,26,12,12,12,14,12,15,12,15,14,18,12,12,12,16,14,19,45,45,15,13,16,23,0,0,0,0,0,0,0,0,0,167,9,9,9,283,288,250,211,354,341,389,385,334,333,324,308,12842,12843]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. e4 Nf6 6. Nc3 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Be3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} (10... Qa5 11. f3 Be6 12. Rc1 Rfc8 13. b3 a6 14. Na4 Qxd2+ 15. Kxd2 Rc6 16. g4 Kf8 17. Nb6 Rb8 18. Nd5 Rcc8 19. Nf4 Bd7 20. g5 Ng8 21. Nd5 e6 {½-½ (65) Giri,A (2785)-Zvjaginsev,V (2661) Sochi 2017}) 11. O-O a4 12. Rad1 Qa5 13. Bd4 Be6 {LiveBook: 17 Games} 14. Qe3 ({White should try} 14. f4 $14) 14... Nd7 15. Nd5 Rfe8 $146 ({Predecessor:} 15... Bxd5 16. exd5 Rfe8 17. Bxg7 Kxg7 18. Rd4 Qb6 19. Qc3 {½-½ (38) Miranda Mesa,E (2437)-Gomez Sanchez,J (2398) Varadero 2016}) 16. h4 Bxd5 17. cxd5 Bxd4 18. Rxd4 Qb6 19. Qd2 Rec8 20. Bg4 Rc7 21. Rb4 Qa5 22. Bxd7 Rxd7 23. Rc1 Rc7 24. Rxc7 Qxc7 $14 {[%mdl 4096] Endgame KQR-KQR} 25. a3 (25. h5 $5) 25... Qd7 26. Qd1 b5 27. Qe2 Ra5 28. g3 h5 29. Kg2 Kh7 30. Qf3 Kg8 31. Qc3 Ra7 32. Qd3 Ra5 33. Qf1 Kg7 34. Qd1 Qc7 35. Qd3 Qc5 36. Qe2 Kf8 37. g4 hxg4 38. Qxg4 Ra8 39. h5 Kg7 40. hxg6 fxg6 41. Qd7 Rf8 42. Qxe7+ Rf7 43. Qh4 $36 {[%mdl 2048] White is pushing.} g5 $2 {[#]} (43... Kg8 $11) 44. Qg3 $2 ({Only move:} 44. Qxg5+ $18 Kh7 45. Qe3 Rg7+ 46. Kh2 Qxe3 47. fxe3) 44... Kg6 $11 45. Qe3 Qc8 $2 {[%mdl 8192]} (45... Qxe3 $11 {and Black is okay.} 46. fxe3 Re7) 46. e5 $18 ({Worse is} 46. Rxb5 Qg4+ 47. Qg3 Qxe4+ 48. Kg1 Qe2 $11) 46... dxe5 47. Qxe5 Qc2 (47... Qc5 {is a better defense.} 48. Qe4+ Kg7) 48. Qe3 Rf6 49. Rd4 Kf7 50. Re4 Qc8 51. Qxg5 {[#] aiming for Qh5+.} Qc5 $2 (51... Qf5 52. Qxf5 Rxf5) 52. Qh5+ {Precision: White = 54%, Black = 52%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.30"]
[Round "6"]
[White "Bacrot, Etienne"]
[Black "Leko, Peter"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2715"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,74,7,0,17,16,17,11,16,16,16,20,14,14,21,16,16,15,30,9,9,9,9,9,0,7,8,13,13,10,11,5,17,20,37,36,37,22,35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 Na5 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 10. Ba2 Be6 11. b4 Bxa2 12. Rxa2 Nc6 13. Bg5 Nd7 14. Bd2 Nf6 15. Re1 {[#]} Qd7 $146 ({Predecessor:} 15... Re8 16. Qb1 Qd7 17. Qb3 {½-½ (39) Bacrot,E (2689)-Fressinet,L (2672) London 2016}) 16. Qb1 Rab8 17. Nd5 Nxd5 18. exd5 Nd4 19. Nxd4 exd4 20. a4 Rfe8 21. axb5 axb5 22. Ra7 Ra8 23. Ra5 Rac8 24. h3 Bh4 25. Rxe8+ Rxe8 26. Qa1 Bf6 27. Ra8 h5 {The position is equal.} 28. Kf1 g6 29. Rxe8+ Qxe8 30. Qa7 Qc8 31. Bc1 c6 32. dxc6 Qxc6 33. Qa2 $1 Kg7 34. Bd2 Be5 35. Qb1 Bf6 36. Qa2 Be5 37. Qb1 Bf6 {Precision: White = 93%, Black = 72%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.30"]
[Round "6"]
[White "Ponomariov, Ruslan"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2699"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,77,22,34,0,0,0,0,0,5,7,0,0,0,0,0,0,0,0,19,20,31,31,35,20,23,31,33,15,56,63,65,63,65,0,0,0,259,262,312,166,455,459,925,905,2821,2840,29988,29982,29982,29983,29992,29993,29993,29994,29994,29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Qd2 O-O 10. O-O-O b5 11. g4 Nbd7 12. g5 b4 13. gxf6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (13. Ne2 {is interesting.} Ne8 14. f4 exf4 15. Bxf4 a5 16. h4) (13. Ne2 Ne8 14. f4 a5 15. f5 a4 16. fxe6 axb3 17. exf7+ Rxf7 18. Kb1 bxc2+ 19. Qxc2 Bxg5 20. Bxg5 Qxg5 21. Ng3 Kh8 22. Bc4 Rf8 {1-0 (40) Duda,J (2678)-Wojtaszek,R (2746) Germany 2017}) 13... bxc3 14. Qxc3 Nxf6 15. Na5 {The position is equal.} Rc8 16. Nc6 Qd7 17. Nxe7+ Qxe7 18. Qa5 Rc6 19. Rg1 Rfc8 20. Kb1 Nh5 21. Rg2 $146 ({Don't go for} 21. Bxa6 $2 Ra8 $19) 21... Qf6 22. Rf2 h6 23. b3 ({Avoid the trap} 23. Bxa6 $2 Ra8 $19) 23... Kh7 24. c4 Nf4 25. Qb4 Nh3 26. Bxh3 $1 Bxh3 27. Kb2 Qd8 28. Qd2 (28. Qc3 $14) 28... Rb8 29. f4 $36 {[%cal Bf3f4,Bf4f5,Bf5f6][%mdl 2080] White is pushing.} Qc7 $2 {[%mdl 8192] [#]} (29... Rxc4 $1 $11 {and Black is okay.} 30. fxe5 Be6) 30. Rg1 $1 $18 Rxc4 31. Rg3 (31. Rf3 $142 Qb7 32. Rxh3) 31... d5 $2 {[#]} (31... exf4 {was worth a try.} 32. Rxf4 (32. Bxf4 Be6 $16) 32... Be6) 32. f5 $1 d4 (32... Bxf5 $142 33. exf5 Rh4) 33. Bxh6 {White wants to mate with Qg5.} Rc3 34. Bxg7 {Threatening mate with Qh6+.} Re3 35. Rxe3 {White mates.} dxe3 36. Qxe3 Kxg7 37. f6+ Kf8 38. Qxh3 {[%cal Rh3h8]} Ke8 39. Rd2 {Precision: White = 68%, Black = 32%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.30"]
[Round "6"]
[White "Vaganian, Rafael A"]
[Black "Studer, Noel"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2562"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,109,0,47,42,45,24,26,16,37,40,44,45,70,64,87,20,34,43,30,-127,-114,-111,-124,-115,-107,-104,-14,-17,0,0,0,0,0,0,12,-16,-10,-30,0,-9,25,0,19,-18,-19,-20,-10,-31,0,0,0,0,0,0,0,0,0,-7,0,0,0,0,0,0,0,0,0,0,0,-34,0,-12,-12,-191,-191,-193,-195,-211,-170,-171,-29,-40,-45,-41,0,-32,-34,-43,0,0,747,594,29978,29976,29987,29988,29988,29989]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. cxd5 exd5 7. Bb5 Qb6 {LiveBook: 5 Games. A13: English Opening: 1...e6} (7... Bd6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Qb6 11. Bxc6 bxc6 12. Nc3 c5 13. Nf3 Bb7 14. Rc1 Rac8 15. Ne2 Ne4 16. Ng3 Nxg3 17. hxg3 Rfd8 18. Qd2 Be7 19. Rc2 h5 20. Rfc1 Rc7 21. Bc3 d4 22. exd4 cxd4 23. Ba5 {1-0 (23) So,W (2812)-Anand,V (2786) Leuven 2017}) 8. Nc3 Bd6 9. Rc1 $146 ({Predecessor:} 9. d4 cxd4 10. Qxd4 Qxd4 11. Nxd4 Bd7 12. Rd1 a6 13. Be2 Nxd4 14. Rxd4 Be5 15. Rd2 {½-½ (33) Gaprindashvili,V (2390)-Akobian,V (2387) Yerevan 1999}) 9... O-O {White has an edge.} 10. Be2 Qa5 11. O-O Bg4 12. Na4 Ne4 13. d3 Bxf3 $1 14. Bxf3 (14. gxf3 $16 Nf6 15. Bxf6 gxf6 16. f4) 14... Nd2 $11 15. Bxd5 Nxf1 16. Bxc6 $2 (16. Kxf1 $11 Rae8 17. Be4) 16... Nxe3 $1 $17 (16... bxc6 $6 17. Qg4 $11) 17. fxe3 bxc6 18. Qg4 {[%csl Gb2][%cal Rg4g7]} g6 19. Qf3 {Qf6 would kill now.} f6 ({Inferior is} 19... Qd2 20. Qf6 $16) ({Better is} 19... Be7 $1 $17 20. Qf4 Rae8) 20. Qxc6 $11 Rad8 21. Bc3 $36 {[%mdl 2048] White has good play.} Qc7 22. Qxc7 Bxc7 23. Nxc5 Bb6 (23... Rc8 $5 {[%cal Rc7h2]} 24. Bd4 f5 $11) 24. Bd4 (24. d4 $5 {[%cal Rc5e6]} Rc8 25. Bb4 $11) 24... Rd5 25. b4 Re8 26. Rc4 ({Much worse is} 26. Bxf6 Rxe3 27. d4 Bc7 $17) 26... Kf7 27. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rc8 (27... Bxc5 $5 28. bxc5 Rd7 $11) 28. a5 (28. Ne4 $5 {[%cal Rc4c8]} Rcd8 29. Nc3 $11) 28... Bxc5 $1 29. bxc5 {[%mdl 4096] Endgame KRR-KRB} Ke6 30. Kf2 (30. e4 $5 {[%cal Re4d5]} Rd7 31. Kf2 $11) 30... Rf5+ {[%mdl 1024] Black has compensation.} 31. Ke2 Rg5 32. g3 Rh5 33. h4 g5 34. hxg5 Rxg5 35. e4 Rxg3 36. Bf2 Rg4 37. Kf3 h5 38. d4 {[%cal Bd3d4,Bd4d5][%mdl 32]} f5 39. d5+ Ke7 {Threatens to win with ...Rf8.} 40. Rb4 {aiming for Rb7+.} fxe4+ 41. Ke2 Rg2 42. Rxe4+ Kd7 43. Kf1 $2 (43. Rf4 $1 $11) 43... Rg5 $19 44. d6 Rg7 $1 45. Ke2 Rb8 46. Kd3 Rb5 (46... Kc6 $19 {...Rb3+ is the strong threat.} 47. Re6 Rb3+ 48. Kc4 Ra3 49. d7+ Kxd7) 47. Bd4 Rh7 48. Kc4 a6 49. Rf4 h4 {[%cal Bh5h4,Bh4h3][%mdl 32] Strongly threatening ...h3.} 50. Rf8 $1 {[%cal Rf8a8] Hoping for Ra8.} h3 51. Ra8 {[#]} Rh4 $2 {[%mdl 8192] [#]} (51... Rxc5+ $1 $11 {[%mdl 512]} 52. Bxc5 (52. Kxc5 Rh5+) 52... Rh4+ 53. Kd5 Rh5+ 54. Kc4 Rh4+ 55. Kd5 Rh5+ 56. Kc4 Rh4+) 52. Ra7+ $1 $18 Ke8 {And now ...h2 would win.} 53. c6 {[%cal Bc5c6,Bc6c7][%mdl 32] White mates.} h2 54. c7 {[%cal Rc7c8]} Kd7 55. Ra8 {Precision: White = 63%, Black = 37%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.30"]
[Round "6"]
[White "Georgiadis, Nico"]
[Black "Morozevich, Alexander"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2496"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 35,83,33,18,8,37,21,37,27,33,31,27,32,101,88,91,92,82,82,82,75,82,82,82,82,82,82,82,82,82,82,82,82,88,30,45,30,30,30,33,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d4 Bb7 11. Nbd2 Bf8 12. a3 h6 13. Bc2 d5 14. dxe5 {C93: Closed Ruy Lopez: Smyslov Variation} Nxe5 15. Nxe5 Rxe5 16. Nf3 Re8 17. e5 Ne4 18. Bf4 c5 {LiveBook: 4 Games} 19. Qe2 (19. a4 b4 20. c4 f5 21. cxd5 Qxd5 {½-½ (46) Navara,D (2725)-Morozevich,A (2683) Novi Sad 2016}) 19... f6 20. Rad1 $146 {[%cal Rc2e4]} ({Predecessor:} 20. a4 c4 21. axb5 axb5 22. Rxa8 Bxa8 23. exf6 Qxf6 {½-½ (36) Maiorov,O (2109)-Mikhailov,G (2327) ICCF email 2013}) 20... fxe5 21. Bxe5 {[%cal Rc2e4]} ({Much worse is} 21. Nxe5 Qf6 $17) (21. Bxh6 $5 Nf6 22. Bg5 $14) 21... Qb6 22. Qe3 Re6 23. Bb3 Nd6 ({Black should try} 23... c4 $14 24. Qxb6 Rxb6) 24. Bxd5 Bxd5 25. Rxd5 Nc4 26. Qc1 Qc6 27. Red1 Rae8 {[%cal Rc4e5]} 28. Bg3 Re2 29. b3 Nb2 {[#]} 30. Ne5 $1 {[%cal Re5c6]} R8xe5 31. Rxe5 Rxe5 32. Bxe5 Nxd1 33. Qxd1 Qe6 {[#]} 34. Bf4 ({Better is} 34. f4 $1 $16) 34... Be7 35. Be3 c4 36. b4 Bf6 37. Qd2 Qe4 {The position is equal.} 38. Kf1 Qb1+ 39. Ke2 Qb3 40. Bd4 Bxd4 41. Qxd4 Qxa3 42. Qd5+ {Precision: White = 63%, Black = 75%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.31"]
[Round "7"]
[White "Navara, David"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2737"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,48,27,23,31,25,7,11,27,26,3,6,20,17,14,0,10,-20,0,-48,0,-19,0,-45,0,-22,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd8 7. O-O Nc6 8. Nb3 a6 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} 9. Nbxd4 Nxd4 10. Nxd4 Qc7 11. Bb3 Bd6 12. Qh5 Nf6 13. Qh4 {LiveBook: 7 Games} Bd7 14. Bg5 {[#]} O-O-O $146 {[%cal Ba8d8,Bd8g8,Bg8g5][%mdl 32]} 15. Rad1 h6 16. Bxf6 gxf6 17. Rd3 ({Don't take} 17. Qxf6 Bxh2+ 18. Kh1 Qf4 $14) 17... Kb8 18. Rfd1 Be5 19. c3 Rdg8 20. Qh5 Rg5 21. Qh3 Rgg8 22. Qh5 Rg5 23. Qh3 ({Much worse is} 23. Qxf7 Bxd4 24. g3 {[#]} (24. cxd4 $2 Rxg2+ 25. Kxg2 Bc6+ 26. d5 Bxd5+ 27. Bxd5 Qxf7 $19) 24... Bxf2+ $1 {[%mdl 512]} 25. Kxf2 Qc5+ 26. Rd4 e5 $15) 23... Rgg8 24. Qh5 Rg5 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.31"]
[Round "7"]
[White "Leko, Peter"]
[Black "Vaganian, Rafael A"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2678"]
[BlackElo "2562"]
[Annotator "TA RC"]
[PlyCount "129"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,129,47,33,46,37,23,34,39,30,37,25,60,21,61,56,91,64,85,58,72,72,76,43,102,104,200,91,96,101,110,97,97,89,89,96,127,94,127,100,108,93,103,114,137,113,132,98,107,100,108,105,197,44,72,22,22,29,24,18,22,25,67,68,62,52,56,40,68,47,62,62,66,50,75,19,25,6,6,6,6,0,0,0,0,0,0,0,0,0,9,6,93,77,89,85,97,80,296,358,340,334,320,304,451,436,446,431,424,397,386,365]} 1. e4 e6 2. d4 d5 3. Nc3 {[%cal Bb1c3,Bc3e4,Be4g5][%mdl 32]} dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Be7 7. Neg5 Nd7 8. Qe2 Bxf3 9. Nxf3 Ngf6 10. O-O O-O {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 11. c4 {LiveBook: 9 Games} Re8 12. b3 c5 $146 {White is slightly better.} ({Predecessor:} 12... c6 13. Bb2 Qc7 {1-0 (41) Wei,Y (2727)-Fang,Y (2443) China 2017}) 13. Bb2 Qb6 14. Bc2 Rad8 15. a3 {[%cal Ba2a3,Ba3b4][%mdl 32]} a5 16. Rfb1 Ra8 17. Bc3 Bf8 18. dxc5 Qxc5 19. b4 axb4 20. axb4 Qc7 21. Nd4 b6 (21... Nb6 $14) 22. Nb5 $36 {[%mdl 2048] White has strong initiative.} Qb7 {[#]} (22... Qf4 $16 {was called for.} 23. g3 Qh6) 23. Qd3 (23. g4 $1 $18 {and White stays clearly on top.}) 23... Rxa1 24. Rxa1 Ra8 {With the idea ...Rxa1+.} 25. Rd1 Be7 26. g3 Qc6 27. Qe2 Kf8 28. Re1 Qb7 29. Bd1 Rc8 30. Qd3 Qc6 31. Bb3 {aiming for Na7.} Rd8 {Strongly threatening ...Ne5!} 32. Nd4 Qb7 33. Bd1 Nb8 34. Qe3 Rc8 35. Be2 Na6 (35... Qe4 $16 {was worth a try.}) 36. Rb1 $2 (36. Ra1 $18) 36... Qe4 $14 37. Qxe4 (37. Qc1 {looks sharper.} Rd8 38. f3 Qb7 39. Qb2 Kg8 40. Rd1) 37... Nxe4 38. Be1 {Hoping for c5.} Nb8 39. f3 Nd6 40. Rc1 Nc6 41. Nxc6 Rxc6 42. Bf2 Nc8 43. Rb1 Rc7 44. Kf1 Ke8 45. Bd3 g6 46. Ke2 Ra7 47. Rb2 ({Better is} 47. c5 $16) 47... Kd8 48. f4 Kc7 49. Bd4 Ra4 50. Bc3 Na7 51. Be5+ Bd6 {White must now prevent ...Bxe5.} 52. b5 Nc8 53. Rd2 f5 54. Ke3 Bxe5 55. fxe5 $11 {[%mdl 4096] Endgame KRB-KRN} Ne7 (55... h6 $11 {keeps the balance.}) 56. Be2 $16 Ra3+ {[#]} 57. Kf2 $1 Nc8 58. Bf3 Ra7 $2 (58... Ra4 $16 {was necessary.}) 59. Bc6 $18 Kb8 60. Rd7 Rc7 61. Rd8 Re7 (61... Ra7 {is a better defense.} 62. Ke3 Rg7) 62. Bd7 Kc7 63. Rxc8+ Kb7 64. Re8 ({Not} 64. Rd8 Kc7 $18) 64... Rxd7 65. Ke3 {Precision: White = 57%, Black = 45%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.31"]
[Round "7"]
[White "Morozevich, Alexander"]
[Black "Ponomariov, Ruslan"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2675"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,57,21,-34,-22,-76,-100,-83,-99,-87,-82,-96,-89,-95,-77,-98,-5,-23,-9,0,54,30,45,62,42,43,395,386,564,521,564,521,1052,1036,1302,1289,1252,569,1251,1244,1243,1243,1229,1191]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 Nbd7 7. e3 Be7 8. Qc2 O-O 9. O-O-O {LiveBook: 9 Games} ({Better is} 9. Be2 $11) 9... dxc4 {D61: Queen's Gambit Declined: Classical: 7 Qc2} 10. g4 $146 (10. Bxc4 $11 {keeps the balance.} b5 11. Be2) ({Predecessor:} 10. Bxc4 b5 11. Bd3 Bb7 12. Kb1 Rc8 13. Ne5 Nxe5 14. dxe5 Nd5 15. Nxd5 cxd5 16. Bxe7 Qxe7 17. Qe2 b4 18. f4 a5 19. g4 {½-½ (65) Krasenkow,M (2702)-Grabarczyk,M (2495) Zakopane 2000}) 10... b5 $17 11. Rg1 Nd5 {Black is better.} 12. Bxe7 Qxe7 13. g5 h5 14. g6 f5 15. Ne5 Nxc3 (15... Nxe5 $17 16. dxe5 Nxc3 17. Qxc3 Qh4) 16. Qxc3 $11 Nf6 17. e4 Ng4 (17... fxe4 $11 18. Qh3 {[#]} c3 $1 {[%mdl 512]}) 18. Qh3 $1 $14 {[%cal Rg1g4][%mdl 1024] [#] Hoping for Rxg4. White has compensation.} Qg5+ $1 19. Kb1 {And now f3 would win.} Qh6 20. Qh4 Nf6 $2 {[%mdl 8192]} (20... c5 $1 $14) 21. Rg5 $18 Bd7 (21... fxe4 $142 22. Be2 a5 23. Bxh5 Ra7) 22. Nxd7 {White is clearly winning.} Nxd7 23. e5 c5 {intending ...cxd4.} 24. Be2 cxd4 25. Rxh5 Qxg6 26. Rh8+ Kf7 27. Bh5 Rxh8 28. Bxg6+ Kxg6 29. Qe7 {Precision: White = 88%, Black = 44%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.31"]
[Round "7"]
[White "Hou, Yifan"]
[Black "Bacrot, Etienne"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2666"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,13,20,20,12,16,16,15,0,4,0,0,0,0,0,0,0,0,0,59,64,59,43,57,67,72,71,41,52,48,34,55,75,92,100,108,107,86,47,55,55,49,37,46,64,58,21,76,53,64,37,98,86,105,124,127,126,106,108,728,716]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O d6 7. h3 Ne7 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 8. Re1 c6 9. Ba4 Ng6 {The position is equal.} 10. d4 Bb6 11. Nbd2 Re8 12. Bc2 h6 13. a4 Bc7 14. Nf1 {[#]} d5 $146 ({Predecessor:} 14... Nh7 15. Ng3 Ng5 16. dxe5 Nxf3+ 17. Qxf3 Rxe5 18. Be3 Bb6 19. Rad1 Be6 20. Qe2 h5 21. Bxb6 {½-½ (21) Kobalia,M (2637)-Alekseev,E (2700) Dagomys 2010}) 15. Nxe5 Nxe5 ({Better is} 15... dxe4 $11 16. Nxg6 fxg6) 16. dxe5 $14 Bxe5 17. f4 $1 {[%cal Rf4e5]} Bc7 {[%cal Rf6e4]} 18. e5 Ne4 19. Bxe4 dxe4 20. Qh5 Be6 21. Ng3 Bb6+ 22. Be3 Qd3 23. Nf1 Rad8 24. f5 Bb3 25. f6 {[#] Hoping for Bxb6.} (25. e6 {is interesting.} fxe6 26. f6 Rf8 27. Bxb6 axb6 28. fxg7 Kxg7 29. Ne3) 25... Qd5 26. Bxb6 axb6 27. fxg7 Qxe5 28. Qxh6 $40 {[%csl Gg7][%cal Rh6h8][%mdl 128] White mounts an attack.} Qxg7 29. Qh4 Rd3 (29... Rd6 $11 {keeps the balance.}) 30. Re3 ({Don't play} 30. Rxe4 Rxe4 31. Qxe4 Rxh3 $11) 30... Re6 31. Rae1 Rh6 (31... Bd5 $14) 32. Qf4 Rxh3 33. Rxd3 Rxd3 34. Rxe4 Be6 35. Ne3 {Re5 is the strong threat.} Rd8 $2 {[%mdl 8192] [#]} (35... Rd2 $16) 36. Re5 $1 {Precision: White = 87%, Black = 55%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.07.31"]
[Round "7"]
[White "Studer, Noel"]
[Black "Georgiadis, Nico"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "2493"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,0,6,-22,0,-3,0,-15,0,0,2,2,12,3,9,6,14,9,14,8,5,9,13,25,23,12,21,16,45,21,25,8,10,-33,-27,-40,-26,-35,-39,-95,-58,-62,-21,-185,-183,-185,-178,-257,-254,-239,-256,-238,-244,-236,-239,-235,-217,-262,-254,-287,-223,-223,-223,-221,-228,-257,-183,-206,-150,-146,-125,-206,-206,-210,-210,-210,-210,-211,-211,-210,-211,-211,-210,-278,-275,-372,-372,-372,-343,-332,-322,-372,-372,-372,-372,-365,-365,-358,-358,-398,-380,-358,-358,-358,-358,-351,-335]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. O-O d5 8. Qc2 O-O {LiveBook: 1347 Games} 9. a4 {E11: Bogo-Indian} (9. Rd1 Nbd7 10. b3 Ba6 11. Bc1 Rc8 12. Bb2 Ne4 13. Nc3 Nxc3 14. Qxc3 Bd6 15. Qc2 f5 16. e3 Bb7 17. Rac1 Qe7 18. Ne1 a5 {½-½ (41) Ding,L (2783)-Zhigalko,S (2635) Khanty-Mansiysk 2017}) 9... a5 10. Ne5 Bb7 11. Rc1 {The position is equal.} Nfd7 12. Nd3 $146 ({Predecessor:} 12. Nxd7 Nxd7 13. e4 dxe4 14. Qxe4 Ra7 15. Nc3 Nf6 16. Qe5 Ba8 {½-½ (24) Ilincic,Z (2548)-Akesson,R (2466) Budapest 2008}) 12... Na6 13. Qb3 Rb8 14. Na3 Bf6 15. Nc2 c5 16. cxd5 exd5 17. Bxd5 cxd4 18. Bxb7 Rxb7 19. Nce1 Qe7 20. Qb5 Nac5 21. Nf4 Qe5 22. Rab1 Ne4 23. Qxe5 Bxe5 24. Rd1 Ndc5 $36 {[%cal Bd7c5,Bc5a4,Ba4b2][%mdl 2080] Black has some pressure.} 25. Nfd3 Bf6 26. Bf4 Nxa4 27. Rbc1 (27. Nf3 $15) 27... Re8 28. Rc6 g5 29. Ra1 $2 {[#]} (29. f3 $11 gxf4 30. fxe4) 29... Nxb2 $1 $19 (29... gxf4 30. Rxa4 fxg3 31. hxg3 $11) 30. Nxb2 gxf4 31. f3 (31. gxf4 {was called for.} Re6 32. Rc8+ Kg7 33. Kg2) 31... d3 $1 ({Worse is} 31... fxg3 32. fxe4 gxh2+ 33. Kh1 $15) 32. Nexd3 Bd4+ ({Stronger than} 32... fxg3 33. fxe4 Bd4+ 34. e3 $11) 33. e3 Bxe3+ 34. Kg2 Nc5 35. Nxc5 Bxc5 ({Don't play} 35... bxc5 36. Nc4 $17) 36. Nd3 Be3 37. Ra4 Rd7 38. Nxf4 Rd4 39. Rxd4 Bxd4 {[%mdl 4096] Endgame KRB-KRN} 40. Nd5 Rb8 41. Rc4 Bb2 42. Ra4 Bg7 43. Kh3 (43. f4 $17) 43... h6 44. Kg4 b5 45. Rxa5 b4 46. Nc7 Rb7 47. Rb5 Rxc7 48. Rxb4 {KRB-KR} Rc2 49. h4 Rc5 50. Rf4 h5+ 51. Kh3 Bh6 52. Ra4 Bd2 53. Rd4 Bc3 {Black is winning.} 54. Rd3 Kg7 55. Kg2 Be5 56. Kh3 Kg6 57. Ra3 Rc3 58. Ra6+ f6 59. Kg2 Rc2+ 60. Kh3 Bd4 {Precision: White = 36%, Black = 67%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.01"]
[Round "8"]
[White "Bacrot, Etienne"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2715"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,86,26,25,42,42,49,37,31,30,37,45,59,28,29,21,14,15,15,9,48,38,85,35,27,0,0,-20,-16,-27,-9,-17,0,-20,-20,-11,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,-17,-17,-17,-17,-17,-16,-33,-24,-24,-24,-24,-24,-24,-2,-2,-2,-52,-52,-52,-52]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 {[%cal Bh2h3,Bh3h4,Bh4h5][%mdl 32]} e6 7. g4 Nfd7 {B81: Sicilian Scheveningen: Keres Attack} (7... h6 8. Bg2 Be7 9. Be3 Nc6 10. f4 Nd7 11. O-O O-O 12. Nf3 b5 13. Ne2 Bb7 14. Ng3 Rc8 15. c3 Na5 16. Bf2 {½-½ (46) Harikrishna,P (2737)-Navara,D (2737) Biel 2017}) 8. g5 b5 9. a3 Bb7 {White is slightly better.} 10. h4 Be7 11. Be3 Nc6 12. Nxc6 Bxc6 13. Qd4 O-O $1 14. O-O-O Rb8 15. h5 $1 {[#]} e5 $146 16. Qd2 $1 f5 {[#] Strongly threatening ...f4.} 17. gxf6 Nxf6 18. Bd3 Ng4 {Hoping for ...Rxf2!} 19. Rdg1 Nxe3 20. Qxe3 Kh8 21. Nd5 h6 22. f4 Bxd5 23. Qg3 $1 {[%csl Gg1][%cal Rg3g7] [#]} Bf6 24. exd5 {Qg6 is the strong threat.} Qe8 25. fxe5 (25. Qf3 {seems wilder.} exf4 26. Re1 Qf7 27. Re6 Be5 28. Rg1) 25... Bxe5 26. Qg6 Qxg6 27. Bxg6 b4 {aiming for ...bxa3.} 28. axb4 Rxb4 29. c3 Rb5 30. Rf1 {[%cal Rf1f8]} Rfb8 31. Rf2 a5 32. Rhf1 {White wants to mate with Rf8+.} Bf6 33. Re2 Rxd5 34. Re8+ (34. Rfe1 {with more complications.} Be5 35. Rf1 a4 36. Ref2 Bf6 37. Rf5) 34... Rxe8 35. Bxe8 $11 {[%mdl 4096] Endgame KRB-KRB} Kg8 36. Bg6 Kf8 37. Rd1 Rxd1+ 38. Kxd1 $15 {KB-KB} Ke7 39. Kc2 d5 40. Kb3 Kd6 41. Ka4 d4 42. cxd4 Bxd4 43. Kxa5 Bxb2 {Precision: White = 64%, Black = 62%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.01"]
[Round "8"]
[White "Ponomariov, Ruslan"]
[Black "Harikrishna, P.."]
[Result "0-1"]
[ECO "C09"]
[WhiteElo "2699"]
[BlackElo "2737"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,116,25,26,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,-12,-1,-16,-16,-90,-45,-50,-61,-119,-92,-98,-107,-112,-108,-112,-110,-108,-105,-124,-96,-99,-97,-122,-108,-102,-104,-117,-110,-97,-112,-111,-110,-106,-118,-98,-95,-87,-108,-93,-107,-70,-23,-25,-29,-25,-21,-27,-18,-67,-59,-59,-60,-49,-40,-232,-227,-281,-277,-246,-248,-265,-229,-353,-332,-319,-319,-309,-275,-307,-295,-456,-456,-456,-456,-452,-450,-456,-449,-577,-456,-395,-395,-29969,-29971,-29969,-29971]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Qe7+ 7. Qe2 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} Qxe2+ 8. Kxe2 a6 9. Bxc6+ $1 {The position is equal.} bxc6 10. Re1 (10. dxc5 Bxc5 11. Nb3 Bd6 12. Be3 Ne7 13. Bc5 Kd7 14. Ng5 Bf4 15. Nxf7 {½-½ (37) Navara,D (2725)-Fridman,D (2596) Tallinn 2016}) 10... f6 11. dxc5 Bxc5 12. Nb3 Bd6 13. Be3 a5 {[#]} 14. Bc5 $146 ({Find the theoretical novelty and annotate with similar games:} 14. a4 Ne7 {0-1 (58) Lu,S (2617)-Gurevich,M (2542) Cappelle la Grande 2016}) 14... Kd7 15. Bb6 Rb8 16. Nc5+ Ke8 17. Kd2+ Kf7 18. Na4 (18. Ba7 $1 $11 {keeps the balance.}) 18... Ne7 19. b3 Bg4 $36 {[%mdl 2048] Black has good play.} 20. Ba7 (20. Bc5 $15 Bf4+ 21. Be3) 20... Rb7 21. Bc5 Bf4+ 22. Be3 Bxf3 $1 23. Bxf4 Bxg2 24. Nc5 Ra7 $1 25. Rg1 Bh3 26. Rg3 Bf5 27. Re1 Rd8 28. Rc3 g5 29. Bg3 Ng6 30. Na4 h5 {[%cal Bh7h5,Bh5h4][%mdl 32] aiming for ...h4.} 31. Rxc6 h4 $1 {[%cal Rh4g3]} 32. Bd6 Rad7 33. Bc5 Ne5 34. Rxe5 fxe5 35. Nb6 Rb7 36. Be3 Be6 {Hoping for ...Rg8.} 37. Bxg5 Rh8 38. Na4 $1 {[%cal Ra4c5] Threatens to win with Nc5.} Rbb8 {...Rbg8 is the strong threat.} 39. Nc5 Rbe8 40. Nd3 Kg6 $1 {[%cal Rg6g5]} 41. f4 exf4 42. Bxf4 Kf5 43. c4 $2 {[#]} (43. Bc7 $15) 43... Rhg8 $1 $19 44. cxd5 Bxd5 45. Rc5 {[#]} Rg2+ $1 46. Kc3 Ke4 47. Rc7 (47. a3 $142) 47... Rxa2 48. Bd6 Be6 49. Rh7 Kd5 50. Bc7 Bf5 {( -> ...Re3)} 51. Rxh4 (51. Rh5 {is a better defense.} Rf8 52. Nb2) 51... Re3 {[%csl Gf5][%cal Re3d3]} 52. Rd4+ Kc6 53. Bg3 {[#]} a4 $1 {[%cal Ba5a4,Ba4a3][%mdl 544]} 54. Rd6+ (54. bxa4 Bxd3) 54... Kb7 55. Rd5 Rxd3+ 56. Rxd3 Bxd3 57. Kxd3 $2 (57. bxa4 $19 Bf5 58. Bf4) 57... a3 58. Be5 Rg2 {Precision: White = 53%, Black = 95%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.01"]
[Round "8"]
[White "Morozevich, Alexander"]
[Black "Studer, Noel"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2675"]
[BlackElo "2493"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,27,52,30,26,16,19,19,16,12,40,21,33,15,35,31,34,32,20,18,87,98,158,172,175,164,146,145,152,146,244,258,235,214,255,266,249,254,257,262,269,241,217,232,247,263,270,257,270,269,672,665,861,847]} 1. d4 d5 2. c4 dxc4 3. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 4. e5 Nd5 5. Bxc4 Nc6 6. Ne2 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4} (6. Nf3 Nb6 7. Bb3 Bg4 8. Ng5 Bxd1 9. Bxf7+ Kd7 10. Be6+ Ke8 11. Bf7+ {½-½ (11) Stupak,K (2562)-Aleksandrov,A (2565) Minsk 2017}) 6... Bf5 7. O-O e6 8. a3 {The position is equal.} Qd7 9. Nbc3 Nce7 $146 (9... Nb6 $5 {[%cal Rb6c4]} 10. Bb3 Be7 $11) ({Find the theoretical novelty and annotate with similar games:} 9... Nb6 10. Ba2 Be7 11. Be3 Rd8 12. f4 h6 13. Qe1 Bd3 14. Rd1 Bc4 15. Bxc4 Nxc4 {½-½ (15) Ilincic,Z (2405)-Fominyh,A (2441) Kecskemet 2016}) 10. Bd2 Nb6 11. Ba2 $36 {[%mdl 2048] Black is under pressure.} Ned5 12. Ng3 Bg6 13. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} O-O-O 14. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Nxc3 (14... Bd3 $11 {keeps the balance.}) 15. bxc3 $16 Nd5 (15... a5 $142) 16. a5 a6 17. h5 Bd3 18. Re1 $1 Qb5 19. Bb3 Bc4 {[#]} (19... g5 $16 20. Ba4 (20. Bxg5 Nxc3 21. Ba4 Qc4 $14) 20... Qc4) 20. Ba4 $1 $18 {[%cal Ra4b5]} Qb2 21. Ne4 {Qf3 is the strong threat.} Bd3 22. Ng5 Nxc3 23. Bxc3 Qxc3 24. Nxf7 Qxd4 {With the idea ...Bc5!} 25. Nxh8 Bc5 26. Re3 Qb2 {[#]} 27. Nf7 $1 {[%cal Rf7d8]} ({But not} 27. Rxd3 $2 Qxf2+ 28. Kh2 Qh4+ 29. Rh3 Qf4+ 30. Rg3 Rxd1 $19) ({Weaker is} 27. Rf3 Bd4 $14) 27... Bxe3 28. fxe3 Rd5 29. Qc1 Qe2 $2 (29... Qxc1+ 30. Rxc1 Rxa5) 30. Bb3 ({Inferior is} 30. Nd6+ Kb8 $14) 30... Rb5 31. Nd6+ {Precision: White = 79%, Black = 46%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.01"]
[Round "8"]
[White "Vaganian, Rafael A"]
[Black "Hou, Yifan"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2562"]
[BlackElo "2666"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,66,0,0,0,0,0,0,0,0,-63,-7,-11,-21,-13,-18,-22,-14,-98,-106,-103,-97,-191,-152,-133,-152,-313,-307,-283,-274,-322,-282,-321,-310,-313,-286,-397,-395,-395,-385,-458,-455,-453,-452,-456,-447]} 1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. O-O d5 6. b3 Bd6 7. Bb2 O-O 8. Ne5 c5 9. Qe2 Nc6 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} 10. a3 Rc8 11. Nd2 Ne7 12. Rad1 Qc7 {LiveBook: 3 Games} 13. c4 $146 ({Predecessor:} 13. h3 b5 14. Bxb5 cxd4 15. exd4 Qxc2 16. Rb1 Ne4 17. Nxe4 dxe4 18. Qxc2 Rxc2 {½-½ (40) Rakhmanov,A (2616)-Jaracz,P (2527) Legnica 2013}) 13... Ne4 14. cxd5 Nxd2 15. Rxd2 Bxd5 16. Qh5 (16. Nf3 $11) 16... f5 ({Black should play} 16... g6 $15 17. Qh6 Bxe5 18. dxe5 Bxb3) 17. Nc4 $11 cxd4 18. Bxd4 Ng6 19. Nxd6 Qxd6 20. b4 (20. Ba6 $11) 20... Bxg2 $1 $17 21. Kxg2 {aiming for f4.} Qxd4 $1 22. Qxg6 (22. exd4 $17 {was worth a try.} Nf4+ 23. Kf3 Nxh5 24. Re1) 22... Qd5+ $1 $19 23. e4 {[#]} fxe4 $1 24. Qxe4 $2 {[#]} (24. Ba6 $17 hxg6 25. Rxd5 exd5 26. Bxc8 Rxc8 27. Rd1) 24... Qg5+ $1 25. Kh1 Qxd2 26. Qxh7+ Kf7 27. Qg6+ Ke7 28. Qxg7+ Rf7 29. Qd4 {If White can now play Qh4+ this consolidates a bit.} Qf4 30. Qxf4 Rxf4 31. f3 Rd4 {Black is clearly winning.} ({Less strong is} 31... Rc3 32. Be4 $19) 32. Be4 Rd2 33. Rg1 Rc3 {Precision: White = 34%, Black = 88%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.01"]
[Round "8"]
[White "Georgiadis, Nico"]
[Black "Leko, Peter"]
[Result "1/2-1/2"]
[ECO "B91"]
[WhiteElo "2496"]
[BlackElo "2678"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,43,38,42,31,33,41,21,43,26,33,1,39,-1,0,0,0,-6,15,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 O-O 9. a4 Nbd7 10. h3 h5 11. O-O b6 12. Bg5 {B91: Sicilian Najdorf: 6 g3} (12. Nd5 Nxd5 13. Qxd5 Rb8 14. Nc3 Bb7 15. Qd1 h4 16. Nd5 Bg5 17. f4 Bh6 18. Ne3 hxg3 19. Nf5 Bxf4 20. Bxf4 exf4 21. Qxd6 {½-½ (32) Goganov,A (2603)-Leko,P (2707) Baku 2015}) 12... Bb7 13. Qd2 {LiveBook: 4 Games} Qc7 14. Rfd1 $146 {White is slightly better.} ({Predecessor:} 14. h4 Rfe8 15. Rfd1 {1-0 (39) Tuna,A (2105)-Tezcan,E (2092) Konya 2016}) 14... Rfc8 15. h4 Rab8 16. Bh3 Rd8 17. b3 g6 (17... b5 $5) 18. Rac1 Kg7 {The position is equal.} 19. Bh6+ Kg8 20. Bg5 Kg7 21. Bh6+ Kg8 22. Bg5 {Precision: White = 48%, Black = 15%.} 1/2-1/2

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.02"]
[Round "9"]
[White "Harikrishna, P.."]
[Black "Bacrot, Etienne"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2737"]
[BlackElo "2715"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,58,33,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,-15,-12,-352,-378,-1053,-181,-1049,-1053,-1039,-1019,-950,-237,-950,-950,-950,-950,-950,-797,-1661,-1645]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O d6 7. a4 Ba7 8. Re1 O-O 9. h3 Ne7 10. Nbd2 Ng6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 11. Nf1 c6 12. Bb3 d5 {The position is equal.} 13. Ng3 Be6 ({But not} 13... Qb6 $6 14. Be3 $16) 14. exd5 {[#]} Nxd5 $146 ({Predecessor:} 14... Bxd5 15. Be3 Bxe3 16. Rxe3 Qb6 17. Ra3 Qc7 18. d4 exd4 19. Nxd4 Rfe8 20. Rxe8+ Rxe8 21. Ra1 Bxb3 22. Qxb3 Nf4 23. Nf3 g6 {½-½ (23) Howell,D (2644)-Svidler,P (2745) Germany 2016}) 15. d4 exd4 16. Nxd4 Qc7 17. Bxd5 Bxd5 18. Ndf5 Rad8 {White should prevent ...Bxg2!} 19. Qg4 Be6 20. Be3 Bb8 21. Bc5 $2 {[%mdl 8192] [#]} (21. Rad1 $11 {and White is okay.}) 21... Bxf5 $1 $19 22. Nxf5 $2 (22. Qb4 Be6 23. Bb6) 22... Qh2+ 23. Kf1 {[#]} Rd2 $1 {[%cal Rh2h1][%mdl 512]} 24. f4 h5 25. Qf3 Qh1+ $40 {[%mdl 128] Black wants a kill.} 26. Bg1 {Strongly threatening Ng3.} Ba7 {[%csl Ga7][%cal Rh1g1] Black is clearly winning.} 27. Re3 Bxe3 28. Nxe3 Re8 29. Nc4 Rc2 {Precision: White = 63%, Black = 93%.} 0-1

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.02"]
[Round "9"]
[White "Navara, David"]
[Black "Vaganian, Rafael A"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "2737"]
[BlackElo "2562"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,84,39,25,66,43,81,94,119,116,100,110,126,119,135,148,146,124,183,166,227,190,312,331,342,233,235,245,202,131,132,132,131,131,122,130,122,126,128,127,157,148,158,172,160,166,156,158,194,183,189,181,230,222,311,309,531,520,516,456,635,629,623,615,1051]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Nge7 9. Nb3 Bd6 10. h3 O-O 11. Bd3 h6 12. c3 Nf5 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} 13. Bc2 (13. Re1 Qf6 14. Bc2 Rd8 15. Qd3 g6 16. Bd2 Bc7 17. c4 Ne5 18. Nxe5 Bxe5 19. cxd5 Bxb2 20. Rab1 Be6 21. Rxb2 Qxb2 22. Bc3 Qa3 {½-½ (39) Zvjaginsev,V (2658)-Timofeev,A (2553) Sochi 2015}) 13... Be6 14. Qd3 Qf6 {White is better.} 15. g4 g6 16. Re1 (16. gxf5 Bxf5 17. Qxd5 Bxc2 $11) 16... Rfe8 {[#] Strongly threatening ...Nh4.} 17. Rxe6 $146 ({Much weaker is} 17. gxf5 $6 Bxf5 18. Qxd5 Bxc2 $11) ({Predecessor:} 17. Qd2 Ng3 18. Nfd4 Bxg4 19. Rxe8+ Rxe8 20. Qxh6 Ne2+ 21. Nxe2 Bh2+ {0-1 (21) Kummerow,H (2269)-Feldmann,J (2090) Frankfurt 2014}) 17... fxe6 18. gxf5 gxf5 19. Bd2 Rad8 (19... Re7 $16 {was called for.}) 20. Kh1 Kf7 (20... Kh8 $142 21. Qe3 Rd7) 21. Nbd4 Rg8 (21... Nxd4 $142 22. Nxd4 (22. cxd4 Rg8 $16) 22... Bc5) 22. Re1 $18 Rde8 23. Nxe6 Rxe6 24. Qxd5 Ne7 25. Qxe6+ ({Less strong is} 25. Qxb7 Rxe1+ 26. Bxe1 Kg6 $14) 25... Qxe6 26. Rxe6 Kxe6 27. Bb3+ Kf6 28. Bxg8 ({Resist} 28. Bxh6 $6 Rh8 $14) 28... Nxg8 $16 {[%mdl 4096] Endgame KBN-KBN} 29. Kg2 a6 30. a4 Bf8 31. c4 Ne7 32. Bc3+ Kf7 33. Ne5+ Ke6 34. Nd3 Ng6 35. Kf3 Bd6 36. Ke3 Ne7 37. Bg7 Ng8 (37... h5 $142 38. Nf4+ Kf7) 38. Kd4 $18 b6 $2 {[#]} (38... Kd7 {might work better.} 39. b4 h5 40. Nc5+ Kc8) 39. c5 {White is clearly winning.} Bc7 40. Kc4 a5 41. cxb6 Bxb6 42. Kb5 Kd5 {Precision: White = 98%, Black = 19%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.02"]
[Round "9"]
[White "Leko, Peter"]
[Black "Morozevich, Alexander"]
[Result "1-0"]
[ECO "C92"]
[WhiteElo "2678"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,132,17,14,21,18,35,11,8,10,4,12,18,12,25,15,18,10,17,17,11,12,18,7,15,14,15,15,15,15,15,15,15,20,12,15,13,13,22,12,39,39,61,56,61,61,61,61,49,39,40,41,52,52,52,50,54,8,8,8,8,8,10,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,29965,29967,29967,29968,29966,29968,29948,29944,12827,12829,12836,12822,12821,12679,6925,6925,6925,6761,6183,6126,5334,5319,5080]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d4 Bb7 11. Nbd2 Bf8 12. Bc2 h6 13. d5 Ne7 14. b3 {C93: Closed Ruy Lopez: Smyslov Variation} c6 15. c4 {[#] LiveBook: 23 Games} a5 $146 ({Find the theoretical novelty and annotate with similar games:} 15... Rc8 16. Nf1 Qc7 17. Ne3 Ng6 18. Bd2 Nf4 19. Rc1 Qd7 20. Kh2 cxd5 21. cxd5 Rc7 {1-0 (52) Kraemer,M (2571)-Korobov,A (2691) Moscow 2017}) 16. Nf1 {The position is equal.} a4 {Threatening ...axb3.} 17. Rb1 {[%cal Rb3a4]} axb3 18. axb3 Qc7 19. Ne3 bxc4 20. bxc4 Reb8 21. Bd2 Bc8 22. Rxb8 Qxb8 23. Qb1 Qc7 24. Qb2 Ng6 25. Ra1 Rxa1+ (25... Rb8 $5 {[%cal Rb8b2]} 26. Qa2 c5 $14) 26. Qxa1 Nf4 27. Kh2 cxd5 28. cxd5 Qb6 29. Qa5 Qa6 30. Qxa6 Bxa6 31. Ne1 h5 32. f3 g6 33. Bb3 Nd3 34. Bc4 Bxc4 35. Nxc4 Nxe1 36. Bxe1 $14 {[%mdl 4096] Endgame KBN-KBN} Ne8 37. Bb4 f6 38. g4 hxg4 39. fxg4 f5 40. exf5 gxf5 41. gxf5 Nf6 42. Bxd6 Bxd6 43. Nxd6 {Strongly threatening h4. KN-KN} Kf8 44. Kg3 {[#] Nc4 is the strong threat.} Ke7 45. Nc8+ Kd7 46. Nb6+ Kd6 47. Kh4 Kc5 48. Na4+ Kd4 49. d6 e4 $1 50. Kg5 (50. Kg3 $5 {[%cal Ra4b6]} Ke5 51. Nb6 Kxd6 52. Nc4+ Kd5 53. Ne3+ Kd4 54. Ng4 Nh5+ 55. Kh4 $14) 50... Nd7 {Threatens to win with ...e3.} 51. Kf4 e3 52. Kf3 {aiming for Nb2.} Ke5 53. Kxe3 Kxf5 54. Nc3 {Hoping for Kd4.} Ke6 $1 55. Ne4 {Black must now prevent Kf4.} Ne5 $2 {[%mdl 8192] [#]} (55... Nb6 $11) 56. Kf4 $1 Nc4 57. Kg5 Ne5 58. h4 Nf3+ 59. Kg4 Ne5+ 60. Kf4 {White is clearly winning.} Ng6+ 61. Kg5 Nf8 62. Kh6 Ke5 63. Kg7 Ne6+ 64. Kg8 Kxe4 65. h5 Ke5 66. h6 Kd5 {Precision: White = 76%, Black = 71%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.02"]
[Round "9"]
[White "Hou, Yifan"]
[Black "Georgiadis, Nico"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2666"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,57,0,4,12,12,10,11,-50,-37,-52,-2,-25,-32,-29,0,-10,53,55,56,55,48,56,55,52,73,66,95,91,84,95,124,128,127,127,182,182,234,224,259,259,252,248,294,294]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 a6 6. Bxc6+ bxc6 7. O-O e5 8. Qd3 Nf6 {[%cal Bg8f6,Bf6d7,Bd7c5][%mdl 32] LiveBook: 8 Games. B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (8... Be7 9. c4 Qc7 10. b3 Nf6 11. Nc3 O-O 12. Rd1 Bg4 13. h3 Bh5 14. Qe3 Rad8 15. Bb2 h6 16. Rd2 {0-1 (82) Nepomniachtchi,I (2705)-Moiseenko,A (2692) Berlin 2015}) 9. Rd1 Qc7 10. Bg5 Nd7 $146 {The position is equal.} ({Find the theoretical novelty and annotate with similar games:} 10... Rb8 11. Nbd2 Be7 12. Bxf6 gxf6 13. Rab1 Rg8 14. Nc4 Bg4 15. b3 Rd8 16. Kf1 {1-0 (57) Peters,S-Gotay,A ICCF email 1997}) 11. Na3 (11. Be3 $11) 11... Nc5 $15 12. Qe2 h6 13. Bd2 (13. Bc1 {keeps more tension.} Be7 14. Nc4 O-O 15. Be3 Ne6 16. a4) 13... a5 14. Nc4 Be7 15. Be3 Ba6 (15... Ne6 $11) 16. Bxc5 $1 $14 dxc5 17. Rd2 $36 {[%mdl 2048] White is more active.} O-O 18. Rad1 ({Of course not} 18. Nfxe5 Bg5 $17) 18... Rfd8 19. Rxd8+ Rxd8 20. Rxd8+ Bxd8 21. a4 Qb8 22. b3 Qb4 23. Nfxe5 Bf6 {[#] Threatens to win with ...Bxe5.} 24. Nf3 $1 ({Don't play} 24. Nxc6 $6 Bxc4 25. Qxc4 Qe1+ 26. Qf1 Qxe4 $11) 24... Bd4 (24... Qc3 $16) 25. Qd3 $18 Kf8 (25... g5 $142 26. Qd2 (26. Nxd4 cxd4 27. Kf1 c5 $14) 26... Qxd2 27. Nfxd2 Bc3) 26. Kf1 ({Less strong is} 26. Nxd4 cxd4 27. Kf1 c5 $14) 26... Bxc4 27. Qxc4 Qxc4+ 28. bxc4 Bb2 29. Nd2 {Precision: White = 85%, Black = 48%.} 1-0

[Event "50th Biel Festival 2017"]
[Site "Biel"]
[Date "2017.08.02"]
[Round "9"]
[White "Studer, Noel"]
[Black "Ponomariov, Ruslan"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2493"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2017.??.??"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,80,10,22,22,25,22,18,4,18,7,19,10,7,-12,6,7,24,0,12,22,14,18,47,44,53,42,53,49,84,94,91,27,24,25,30,8,109,121,145,105,110,79,161,51,58,57,69,64,116,109,122,0,0,0,0,-132,-103,-104,-96,-125,-113,-146,-139,-547,-531,-938,-934,-1897,-1891,-1794,-1697,-3019,-2582]} 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 Nf6 5. g3 b6 6. Bg2 {D30: Queen's Gambit Declined: Systems without Nc3} Bb7 7. O-O Be7 8. Qc2 {The position is equal.} a5 $146 ({Predecessor:} 8... O-O 9. Rd1 Na6 10. e4 Rc8 11. e5 Nd7 12. cxd5 cxd5 13. Qa4 Qc7 14. Nf1 Qc4 15. Qb3 Nb4 16. Ne3 Qxb3 17. axb3 {½-½ (32) Potkin,V (2610)-Tomashevsky,E (2701) Yaroslavl 2014}) 9. e4 Na6 10. e5 Nd7 11. cxd5 cxd5 12. a3 Rc8 (12... Qc7 $5 {[%cal Rc7c2]} 13. Qxc7 Nxc7 $11) 13. Qd1 Qc7 14. Nb1 b5 15. Re1 Nab8 16. Nc3 Ba6 17. Ng5 Bxg5 18. Bxg5 {Bxd5! is the strong threat.} Nb6 19. Qg4 h5 20. Qe2 (20. Qh4 $16) 20... b4 $11 21. Nb5 Qd7 22. a4 Bxb5 (22... Nxa4 $11 23. Nd6+ Qxd6 24. exd6 Bxe2 25. Rxe2 Nb6) 23. axb5 $16 a4 24. Bf1 $36 {[%mdl 2048] White is really pushing.} Rc4 25. Qd2 Qxb5 26. b3 (26. Bxc4 $6 Nxc4 27. Qe2 b3 $11) (26. Bh4 $1 $18) 26... axb3 $14 27. Reb1 $1 Nc6 28. Rxb3 Kd7 (28... Nd7 $14) 29. Bh4 (29. Bxc4 dxc4 30. Rf3 Rf8 $15) 29... Ra8 {[#]} 30. Rxa8 (30. Rab1 $1 $16) 30... Nxa8 $11 31. Rf3 (31. Qf4 $5 {[%cal Rf4f7]} Kc8 32. Rb1 $14 (32. Qxf7 $2 Rc1 $19)) 31... Kc8 32. Rxf7 (32. Bg5 $1 $11 {was the only way to keep the balance.}) 32... Nc7 $17 33. Qb2 {[#]} ({Don't play} 33. Rxg7 $6 b3 $14) (33. Bxc4 dxc4 34. Qe1 (34. Rxg7 b3 $17) 34... b3) 33... b3 $1 34. Rf3 ({Much weaker is} 34. Rxg7 $6 Qb4 $11) 34... Nxd4 35. Rf8+ Kb7 {Hoping for ...Rc2.} 36. Be7 $2 {[%mdl 8192]} (36. Rf7 $17 {nothing else works.} Qc5 37. Be7) 36... Rc2 $19 {Black is clearly winning.} 37. Qa3 Ne2+ 38. Kg2 b2 39. Bxe2 Rxe2 40. Bc5 b1=Q {Precision: White = 36%, Black = 55%.} 0-1

