[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.06"]
[Round "1.1"]
[White "Wojtaszek, Radoslaw"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2722"]
[BlackElo "2711"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,53,5,14,12,13,16,17,17,20,20,18,11,7,18,8,13,18,16,9,12,12,14,11,9,9,11,6,4,13,8,16,12,18,5,28,34,36,0,0,0,27,0,2,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} Re8 8. Bd2 a6 9. a3 Bd6 10. Rd1 Bd7 11. Bc1 $146 ({Predecessor:} 11. Bd3 dxc4 12. Bxc4 b5 13. Bd3 e5 14. Ne4 exd4 {½-½ (14) Krasenkow,M (2628)-Ponomariov,R (2734) Sestao 2010}) 11... dxc4 12. Bxc4 h6 13. O-O e5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Nd5 Bd6 17. b4 Be6 {[#] Threatens to win with ...Bxd5.} 18. g3 Nxd5 19. Bxd5 Bxd5 20. Rxd5 Qe7 21. Rfd1 Qe4 22. Qe2 Re6 23. Bb2 Rae8 24. R1d4 Qb1+ 25. Rd1 Qe4 26. R1d4 Qb1+ 27. Rd1 {Accuracy: White = 84%, Black = 87%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.06"]
[Round "1.2"]
[White "Rapport, Richard"]
[Black "Duda, Jan-Krzysztof"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2738"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "188"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,188,50,35,12,37,33,34,42,40,41,41,44,40,45,46,37,43,43,93,85,87,80,97,127,133,0,0,7,12,0,21,12,20,10,12,5,8,9,16,0,7,-11,0,0,0,0,0,-10,0,0,4,-4,0,-34,0,-58,-58,-192,-191,-192,-188,-189,-177,-198,-190,-200,-185,-197,-182,-183,-182,-206,-200,-218,-218,-218,-223,-223,-223,-223,-223,-243,-231,-226,-199,-199,-198,-196,-196,-243,-154,-154,-151,-162,-162,-162,-162,-146,-143,-156,-144,-154,-144,-162,-162,-173,-170,-166,-154,-154,-154,-154,-150,-132,-122,-114,-114,-129,-114,-114,-66,-114,-89,-95,-87,-97,-8,-53,-105,-53,-8,-8,-8,-8,0,-8,-8,-11,-10,-12,-12,-195,-187,-623,-8,-8,0,-608,-582,-582,-582,-571,-564,-557,-546,-29969,-531,-29972,-29971,-29973,-29974,-29976,-29977,-29976,-29972,-29973,-29974,-29975,-29975,-29975,-514,-510,-321]} 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. Be2 Nf6 5. Nc3 O-O 6. O-O c6 7. a4 Qc7 8. h3 e5 9. dxe5 dxe5 10. Be3 {B08: Pirc Defence: Classical System} Re8 (10... Nh5 11. Bc4 Nf4 12. Qb1 Qe7 13. Kh2 Qf6 14. Ng1 h5 15. b4 Nd7 16. a5 Re8 17. b5 Bf8 18. a6 Nc5 {0-1 (40) Jurcik,M (2473)-Matlakov,M (2707) Batumi 2018}) 11. Bc4 Be6 12. Qe2 {White is slightly better.} Nbd7 13. Bxe6 $146 ({Predecessor:} 13. Rfd1 h6 14. Nd2 Nh5 15. Bxe6 Rxe6 16. a5 Nf4 17. Qc4 {½-½ (45) Althoff,C (1924)-Laudage,B (2075) Ruhrgebiet 2003}) 13... Rxe6 14. Rfd1 Bf8 15. Qc4 $36 {[%mdl 2048] White has good play.} Nb6 {[%cal Bd7b6,Bb6c8,Bc8d6][%mdl 32]} 16. Qb3 Nc8 17. Rd3 Nd6 18. Ng5 Ree8 19. Bc5 Red8 20. Rad1 Nfe8 21. Nf3 (21. a5 $1 $16) 21... b6 $1 $11 {[%cal Rb6c5]} 22. Be3 Nb7 23. Qc4 a6 (23... Nbd6 $5 {[%cal Rd6c4]} 24. Qa2 Nb7 $14) 24. Rxd8 Nxd8 25. Qd3 Ne6 26. Qd7 {Black must now prevent Qxc7.} Bd6 $1 27. Qxc7 Bxc7 28. Na2 a5 29. Rd3 f6 30. Rc3 Nd8 31. Nd2 Kf7 32. Nc1 Rb8 33. Nd3 Ke7 34. g4 Kd7 35. Nc4 Ne6 36. b4 (36. g5 $11) 36... Nd6 37. Ncxe5+ ({White should play} 37. bxa5 $15 Nxe4 38. Rb3 bxa5 39. Rxb8 Bxb8 40. Nxa5) 37... fxe5 $19 38. Nxe5+ Kc8 $1 39. Nxc6 Nxe4 40. Rb3 Ra8 41. Ne7+ Kb7 42. Nd5 Kc6 43. Nxc7 Kxc7 44. bxa5 bxa5 45. Rb5 {With the idea Re5.} Nc3 46. Bb6+ Kc6 47. Rxa5 Rxa5 48. Bxa5 Nxa4 49. Kg2 Kd5 50. Kg3 Nac5 51. f3 Nd4 52. h4 Nce6 53. Bd2 Ne2+ 54. Kf2 N2f4 55. Kg3 Ke5 $1 56. Bc3+ Kd6 $1 57. Bb4+ Kd7 58. Bd2 Ne2+ 59. Kf2 N2d4 $1 60. c3 Nb3 61. Bh6 Kd6 62. Ke3 Nbc5 63. f4 Kd5 64. f5 gxf5 65. gxf5 Nd8 $1 66. Bg7 Nf7 67. Bd4 Nb7 68. Kf4 Nbd6 {Threatens to win with ...Nh6.} 69. Bg7 $1 Kc4 70. Be5 Nb7 ({Don't play} 70... Nxe5 $6 71. Kxe5 Nf7+ 72. Ke6 $11) 71. Bg7 Kd3 (71... Nc5 $17 72. h5 Nd3+ 73. Ke3 Nd6) 72. Be5 Nc5 73. Bd4 (73. Bg7 $17) 73... Na4 74. f6 Kc4 {Hoping for ...Kd5.} 75. Ke4 Nb2 76. Be3 Nd3 {aiming for ...Nd6+.} 77. Kf5 {And now Ke6 would win.} Kd5 78. c4+ Kd6 79. c5+ $2 (79. Bg5 $11) 79... Kd5 ({Worse is} 79... Nxc5 80. Bxc5+ Kd7 81. Bd4 $16) 80. c6 $2 (80. Bg1) 80... Nd6+ $2 (80... Nde5 $1 $19 {...Nd6+ is the strong threat.} 81. c7 Nd6+ 82. Kf4 Nef7) 81. Kg5 $11 Nf7+ $2 {[%mdl 8192]} (81... Kxc6 $2 82. Kh6 $19) (81... Ne5 $11 82. f7 Nexf7+ 83. Kf6 Kxc6) 82. Kf5 $1 $19 {[#] intending c7.} Nde5 $1 83. c7 Nd6+ 84. Kf4 {[#]} Nef7 $1 85. Ba7 Kc6 86. Bb8 Kd7 (86... Nc8 $142 87. Ke4 Kd6 88. Kf5 Kd7 89. h5 Kd6 90. Kf4 Ke6 91. Ke4 Kxf6 92. Ke3 Ne5 93. Kf2 h6 94. Kg3 Ke6 95. Kg2 Nd7 96. Kh3 Nf6 97. Kh2 Nxh5 98. Kh3 Nf6 99. Kg3 Kd7 100. Kf4 Nd6 101. Kf3 Nde4 102. Kf4 h5 103. Kf3 h4 104. c8=R Kxc8 105. Be5 Ng5+ 106. Kf4 Nfe4 107. Ke3 h3 108. Bh2 Kd7 109. Kf4 Ke6 110. Bg1 Kf6 111. Kg4 Nd2 112. Bh2 Ndf3 113. Bf4 h2 114. Bxh2 Nxh2+ 115. Kg3 Nhf3 116. Kf4 Nh4 117. Kg4 Ng6 118. Kg3 Kf5 119. Kf2 Ke4 120. Kg3 Ne5 121. Kf2 Kd3 122. Kg3 Ke4 123. Kf2 Kd3 124. Kg3 Ke4) 87. h5 Nc8 88. Ke4 Ke6 89. Kd4 Kxf6 90. Kd5 Ne5 91. Kc5 Ke6 92. Kd4 Ng4 93. Ke4 Nf6+ (93... h6 $142 94. Kf3 Nf6 95. Kf4 Nxh5+ 96. Ke4 Nf6+ 97. Kf3 Kd7 98. Kf4 Nd6 99. Kf3 Nde4 100. Kf4 h5 101. Kf3 h4 102. Ba7 Kxc7 103. Be3 Kd7 104. Ba7 Ke6 105. Kf4 Kf7 106. Kf5 h3 107. Bb8 Nd2 108. Bg3 Nf1 109. Be5 h2 110. Bxh2 Nxh2 111. Ke5 Nfg4+ 112. Ke4 Kf6 113. Kd5 Ke7 114. Kc6 Ke6 115. Kc5 Ke5 116. Kc4 Nf3 117. Kb3 Kd5 118. Kb4 Nf2 119. Kb5 Nd4+ 120. Kb6 Ne6 121. Kb5 Nd1 122. Ka5 Kc5 123. Ka4 Nd4 124. Ka5 Nb2 125. Ka6 Kc6 126. Ka7 Kc7 127. Ka8 Nd3 128. Ka7 Nf2 129. Ka8 Ng4 130. Ka7 Kc6 131. Ka6 Ne5 132. Ka7 Ng4 133. Ka6 Ne5 134. Ka7 Ne6 135. Ka6 Nd4) 94. Kf4 h6 {Accuracy: White = 43%, Black = 62%.} 0-1

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.06"]
[Round "1.3"]
[White "Laznicka, Viktor"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2670"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,-2,-8,-2,-3,0,0,0,0,4,16,15,11,9,15,15,14,16,16,0,7,8,16,20,12,7,14,0,0,0,0,0,0,0,0,-8,-9,-11,0,0,0,0,0,0,0,0,0,-6,-3,-3,0,-5,-4]} 1. c4 Nf6 2. Nc3 e5 3. e3 Nc6 4. a3 g6 (4... d5 5. cxd5 Nxd5 6. Qc2 Nxc3 7. dxc3 a5 8. Nf3 Bd6 9. a4 O-O 10. Bc4 Bg4 11. h4 Qf6 12. Ng5 Bf5 13. e4 Bd7 {1-0 (52) Harikrishna,P (2731)-Vidit,S (2723) chess.com INT 2018}) 5. d4 exd4 {The position is equal.} 6. exd4 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} Bg7 7. Nf3 O-O 8. d5 Re8+ 9. Be2 Ne5 10. Nxe5 Rxe5 11. Bf4 Re8 $1 12. Qd2 $146 ({Predecessor:} 12. O-O) 12... Ne4 13. Nxe4 Rxe4 14. Bg5 Qf8 15. O-O d6 16. Bd3 Re8 17. Rae1 {Black should prevent Rxe8.} Bd7 18. b4 b6 19. Rxe8 Rxe8 20. Rc1 Ra8 21. Bf1 a5 22. Be3 axb4 23. axb4 Qd8 24. c5 bxc5 25. bxc5 dxc5 26. Bxc5 Be6 27. Rd1 Bg4 28. Be2 Bxe2 29. Qxe2 Qd7 30. h3 h5 {Accuracy: White = 64%, Black = 77%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.06"]
[Round "1.4"]
[White "Harikrishna, Pentala"]
[Black "Shankland, Samuel"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2730"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,90,0,15,14,11,8,14,17,14,11,17,7,8,9,21,29,31,24,27,32,34,24,20,19,29,25,37,22,26,21,25,17,19,20,22,18,19,19,24,7,16,7,13,8,10,0,12,12,68,8,8,8,8,8,8,8,8,8,8,0,0,0,7,0,8,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 9. Bxf6 Bxf6 10. O-O O-O 11. Qd2 {B92: Sicilian Najdorf: 6 Be2} Be7 (11... Qc7 12. Rfd1 Be7 13. Nd5 Bxd5 14. Qxd5 Nd7 15. Nd2 b5 16. c4 {½-½ (66) Van Foreest,J (2617)-Fedoseev,V (2713) Hoogeveen 2018}) 12. Nd5 Nd7 13. Nxe7+ Qxe7 14. Rfd1 Rac8 $146 ({Predecessor:} 14... Nf6 15. Qxd6 Qxd6 16. Rxd6 Nxe4 17. Rb6 Bd5 18. c4 Bc6 19. Nxe5 Rfc8 20. Nxc6 bxc6 21. b3 c5 22. Bf3 Re8 23. g3 Ra7 24. Bxe4 {1-0 (24) Kochura,E-Kurlovich,A Kiev 2004}) 15. c3 Rc6 16. Ng5 Nf6 17. Nxe6 fxe6 18. Qe3 Qc7 19. Rd2 Qb6 {Threatening ...Qxe3.} 20. Qxb6 Rxb6 21. f3 Kf7 22. a4 Rc6 23. a5 Rb8 24. c4 b6 25. b4 bxa5 26. b5 $1 {[%cal Rb5c6]} axb5 27. cxb5 Rcb6 $1 28. Rxa5 Nd7 29. Rc2 Nc5 30. h4 R6b7 31. Ra3 Ke7 32. g3 Rf8 33. Kg2 Kd7 (33... Rfb8 $11) 34. Rd2 ({White should play} 34. f4 $14) 34... Kc7 $11 {The position is equal.} 35. Rc3 Rd8 36. f4 exf4 37. e5 {[#] aiming for exd6+.} Kb6 38. exd6 {Black must now prevent Rdc2.} Rbd7 39. Rdc2 Rc8 40. gxf4 Rxd6 41. Rc4 Rc7 42. Bf3 g6 43. Be2 Rd5 44. Bf3 Rd6 45. Be2 Rd5 {Accuracy: White = 61%, Black = 74%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.06"]
[Round "1.5"]
[White "Navara, David"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2739"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "199"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,199,7,20,12,24,24,19,15,26,12,47,8,7,35,29,0,0,0,0,0,0,0,0,0,0,0,0,0,77,67,81,89,110,107,111,112,107,122,121,118,182,179,172,181,204,195,212,209,206,201,219,216,219,219,218,189,208,182,204,193,177,162,254,241,258,258,253,242,271,271,271,268,268,268,268,268,268,268,271,271,271,271,271,271,271,271,271,271,271,0,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,271,0,271,271,271,271,271,271,271,271,271,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,0,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,179,126,126,126]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nd7 9. O-O-O Nf6 (9... c6 10. Kb1 d5 11. Bd3 Nc5 12. h4 Nxd3 13. Qxd3 Qd6 14. c4 Rd8 15. cxd5 Qxd5 16. Qxd5 cxd5 17. Nd4 Bd7 18. Nb3 Bf5 19. Nd4 Bd7 20. Nb3 Bf5 21. Nd4 {½-½ (21) Aronian,L (2765)-Caruana,F (2832) London 2018}) 10. Bd3 {The position is equal.} c5 11. Rhe1 Be6 12. Bg5 d5 13. Qf4 Re8 {[#]} 14. Re5 $146 ({Predecessor:} 14. Kb1 h6 15. Bxf6 Bxf6 {½-½ (29) Harika,D (2535)-Kosteniuk,A (2542) Khanty-Mansiysk 2017}) 14... Qc7 15. Qh4 h6 16. Bxh6 $1 Ne4 $1 {[%cal Bf6e4,Be4f2,Bf2g4][%mdl 32]} ({Reject} 16... Ng4 $6 17. Bg5 $16) 17. Qf4 $1 Nxf2 18. Qg3 $40 {[%csl Gh6][%cal Rg3g7][%mdl 128] White has some attack.} Ng4 19. Bf4 Bd6 {[%mdl 64] Pin} 20. Bh7+ $1 Kf8 (20... Kh8 $1 $11 21. Re4 dxe4 22. Bxd6 Qc8 23. Bxe4 Bf5 24. Bxf5 Qxf5 25. Bxc5 Nf6) 21. Rde1 $1 $16 Rad8 {...f6 is the strong threat.} (21... Bxe5 $2 {loses.} 22. Nxe5 Nxe5 23. Bxe5 $18) 22. Qh4 $1 Nxe5 23. Nxe5 Bxe5 24. Bxe5 Qe7 {[#]} 25. Qh5 $1 f6 26. Bg6 Bf7 (26... Qd7 $16) 27. Qh8+ $18 Bg8 28. Bxe8 Rxe8 {[#]} 29. Bg3 $1 Qxe1+ 30. Bxe1 Rxe1+ {[%mdl 4096] Endgame KQ-KRB} 31. Kd2 Re4 32. Qh3 Be6 33. Qg3 Re5 34. Qf2 b6 35. Qh4 Re4 36. Qh8+ Bg8 37. b3 d4 (37... c4 $142 38. a3 Rg4) 38. Qh3 Be6 39. Qf3 Bd5 40. Qf5 Bb7 41. g4 Re5 42. Qd7 dxc3+ 43. Kxc3 Re7 44. Qd6 Kf7 45. a4 g5 {[#]} 46. a5 $1 {[%mdl 512]} Be4 (46... bxa5 47. Qxc5) 47. axb6 axb6 48. Qxb6 Re5 49. Qc7+ Kf8 50. Qd6+ Kf7 51. Qc7+ Kf8 $1 52. b4 cxb4+ 53. Kxb4 Bg6 54. Qd6+ Kg7 55. c4 {And now c5 would win.} Be8 56. c5 {aiming for c6.} Kf7 57. Qd3 Re6 58. Qh7+ Kf8 59. Ka5 Rc6 60. Kb4 Re6 $1 61. Kc4 Bc6 62. Kd4 Ke8 63. Qg7 Kd8 64. Qg8+ Ke7 65. h4 gxh4 66. Qh7+ Kd8 67. Qxh4 Re4+ 68. Kc3 Re6 69. Qh2 Kc8 70. Qa2 Bd7 71. Kd4 Rc6 72. Qa8+ Kc7 73. Qa5+ Kc8 74. Kd5 Re6 75. Qa2 Kc7 76. Qh2+ Kc8 77. Qf4 Ra6 {Strongly threatening ...Be6+.} 78. Qf1 Re6 79. Qc1 Re5+ 80. Kd4 {Black must now prevent c6.} Re6 81. Qc2 Kc7 82. Qh2+ Kc8 83. Kd5 Re5+ 84. Kd4 Re6 $1 85. Qh1 Ra6 86. Kc4 Kc7 87. Qh7 Re6 88. Qf7 Re4+ 89. Kd5 Re5+ 90. Kd4 Re6 91. Qg8 Ra6 92. Kd5 Rc6 93. Qh7 Ra6 94. Qh2+ Kc8 95. Qe2 Rc6 96. Qc2 Kc7 97. Qh2+ Kc8 98. Qe2 Kc7 99. Qb5 (99. Qe7 $18) 99... Be6+ $16 100. Kd4 {Accuracy: White = 83%, Black = 85%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.07"]
[Round "2.1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Gelfand, Boris"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2711"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,91,0,22,16,22,10,71,62,71,69,61,73,89,89,82,79,89,95,96,59,59,63,60,59,73,68,72,59,59,54,54,54,54,48,54,55,54,54,54,54,62,56,56,51,53,56,54,41,59,0,61,62,67,67,116,114,142,128,133,123,233,217,295,289,288,281,341,333,345,277,276,268]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nd7 9. O-O-O Nf6 10. Bd3 c5 11. Kb1 (11. Rhe1 Be6 12. Kb1 Qa5 13. c4 Qxd2 14. Bxd2 h6 15. Nh4 Rfe8 {½-½ (55) Carlsen,M (2835)-Caruana,F (2832) London 2018}) 11... b5 {LiveBook: 3 Games} 12. Rhe1 Rb8 13. Bg5 $146 ({Predecessor:} 13. Bf4 Re8 14. Ng5 c4 15. Bf1 Bb7 {0-1 (31) Rodshtein,T (2226)-Hoolt,S (2393) Stary Smokovec 2018}) 13... c4 (13... Re8 $11 {remains equal.}) 14. Nd4 $16 {[#] And now Nc6 would win.} Bd7 (14... cxd3 $2 15. Nc6 $18) 15. Nf5 Bxf5 16. Bxf5 Ne4 17. Bxe4 Bxg5 18. Qxd6 Qxd6 19. Rxd6 Rfe8 20. Rdd1 Kf8 21. Bc6 ({Reject} 21. Bxh7 Rxe1 22. Rxe1 g6 $15) 21... Rxe1 22. Rxe1 $14 {[%mdl 4096] Endgame KRB-KRB} Bf6 23. a3 g6 24. g3 a6 25. Re2 Be7 26. Kc1 Rb6 27. Bd7 Rd6 28. Rd2 Rf6 29. Kd1 Bc5 30. Ke1 Ke7 31. Bc8 Rc6 32. Re2+ Kd8 33. Bb7 Rf6 34. Bd5 Rf5 35. Bb7 Rf6 36. f4 h5 37. h4 Rd6 38. Re5 Rb6 39. Rxc5 Rxb7 $16 {KR-KR} 40. Rc6 a5 {[#]} (40... Re7+ $16 41. Kd2 Rd7+ 42. Kc1 Ra7) 41. f5 $1 {[%mdl 512]} Kd7 (41... gxf5 42. Rc5) 42. Ra6 {White has a decisive advantage.} gxf5 43. Rf6 ({Don't do} 43. Rxa5 $6 Kc6 $18) 43... Ke7 44. Rxf5 b4 45. axb4 ({Much less strong is} 45. Rxa5 bxa3 46. bxa3 Rb1+ 47. Kf2 Rc1 $18) 45... axb4 46. Kd2 {Precision: White = 77%, Black = 46%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.07"]
[Round "2.2"]
[White "Shankland, Samuel"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2731"]
[BlackElo "2739"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,45,17,20,12,25,6,27,5,12,0,0,-9,-9,0,0,0,0,0,0,0,0,-25,0,0,0,-22]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 c6 8. Bc3 d5 9. Nbd2 Nbd7 10. O-O O-O 11. Re1 c5 12. cxd5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} (12. e4 dxe4 13. Nxe4 Bb7 14. Nxf6+ Bxf6 15. Rc1 cxd4 16. Nxd4 Qc8 17. Qe2 Bxg2 18. Kxg2 Qb7+ 19. Qf3 Qxf3+ 20. Kxf3 Rfc8 21. Red1 Nc5 22. Nb5 Bxc3 23. Rxc3 a6 24. Nd6 Rc7 25. Ne4 Nd7 26. Ke2 Kf8 27. Rcd3 {½-½ (27) Parligras,M (2613)-Lenic,L (2650) Hungary 2018}) 12... Nxd5 13. Bb2 Rc8 14. Rc1 {White has an edge.} b5 15. dxc5 Nxc5 16. a3 b4 17. axb4 $146 ({Predecessor:} 17. Nc4 Nc3 18. Bxc3 bxc3 19. Nfe5 Qxd1 20. Rexd1 Nxb3 21. Rxc3 {0-1 (38) Sahl,B-Ligterink,G (2455) Silkeborg 1980}) 17... Nxb4 18. Bd4 Bb5 19. Rc3 Nd5 20. Rc2 Nb4 21. Rc3 Nd5 22. Rc2 Nb4 23. Rc3 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.07"]
[Round "2.3"]
[White "Vitiugov, Nikita"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2726"]
[BlackElo "2730"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,59,4,17,6,0,19,21,14,15,35,37,154,160,129,104,111,115,124,119,139,149,187,158,150,129,175,158,614,596,595,576,840,853,810,726,695,659,702,643,598,450]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 10. Qd3 (10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 {½-½ (14) Vallejo Pons,F (2713)-Andreikin,D (2723) Porto Carras 2018}) 10... c6 11. a5 {LiveBook: 13 Games} Be6 {The position is equal.} 12. Nc3 {[%cal Bb1c3,Bc3e2,Be2d4][%mdl 32]} Qd7 13. Ne2 Bf5 14. Qc3 $146 ({Predecessor:} 14. Qb3 Be7 15. Ng3 O-O 16. Nxf5 Qxf5 17. Qxb7 {½-½ (36) Petrigin,O (2241)-Cvak,R (2248) ICCF email 2015}) 14... Be7 {[#]} 15. Bh6 $1 {[%mdl 512]} d4 ({Black should try} 15... Rg8 $14 16. Bxg7 Bxc2) (15... gxh6 16. e6) 16. Nxd4 $16 gxh6 {[#]} 17. e6 $1 {[%mdl 512]} Bxe6 18. Nxe6 Rg8 19. Nf4 $1 $36 {[%mdl 2048] White has strong initiative.} Qf5 {[#]} 20. Ra4 $1 Qf6 21. Qd3 {And now Re4 would win.} Rd8 22. Qxh7 Rg7 {[#]} 23. Qe4 $1 Qxb2 $2 (23... Rg5 $16 24. Nd3 Kf8) 24. Re1 $18 {[%csl Ge1][%cal Re4e7] White is clearly winning.} Rd7 25. a6 Rg5 26. h4 Rb5 27. axb7 Rbxb7 28. Qxc6 {Black must now prevent Nd5.} Kf8 29. Qxh6+ Qg7 30. Ne6+ {Precision: White = 95%, Black = 30%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.07"]
[Round "2.4"]
[White "Wojtaszek, Radoslaw"]
[Black "Rapport, Richard"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2722"]
[BlackElo "2738"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,97,45,52,58,65,39,48,49,64,40,54,42,47,43,50,48,31,20,70,44,43,44,91,100,101,97,87,63,79,76,80,77,100,100,125,114,129,20,47,10,7,0,77,0,0,0,378,363,438,390,445,435,435,357,409,385,419,0,0,0,392,379,445,0,0,0,455,462,445,393,764,747,918,900,905,881,872,835,1067,978,964,910,1857,1799]} 1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. O-O Qe8 8. dxe5 dxe5 9. b4 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} Bg4 10. b5 Bxf3 11. Bxf3 {White is slightly better.} Qe6 12. Nd5 Rc8 $1 13. Nxf6+ Qxf6 14. Be3 Rd8 15. Qb3 (15. Qc1 Qe7 16. c5 c6 {½-½ (74) Lalith,B (2587)-Naiditsch,A (2702) Caleta 2017}) 15... Nd7 16. c5 c6 $146 ({Predecessor:} 16... a6) 17. Rfd1 Bf8 18. Rac1 Be7 19. Be2 $36 {[%mdl 2048] White is in control.} Nf8 20. bxc6 bxc6 21. Bc4 Kg7 22. Qb7 Rab8 23. Qa6 ({Reject} 23. Qxa7 Ra8 $11) 23... Nd7 24. Qa5 h5 25. h3 g5 26. Rd3 (26. Be2 $16) 26... g4 $1 $11 {[%cal Rg4h3] Black wants to play ...gxh3.} 27. hxg4 hxg4 28. Rcd1 g3 (28... Qh4 $1 $11 {remains equal.}) 29. Rxd7 (29. fxg3 $16 {And now Bb3 would win.} Qg6 30. Rxd7 {[%mdl 64] Double Attack} Qxe4 31. Bh6+ (31. Rxd8 Qxe3+ 32. Kh2 Qh6+ 33. Kg1 Qe3+ 34. Kh2 Qh6+ 35. Kg1 Qe3+ $17) (31. Qc3 Rxd7 32. Rxd7 Rb1+ 33. Bf1 Qf5 $11 {[%mdl 64] Double Attack}) 31... Kxh6 32. Rxd8 Rxd8 33. Rxd8 Bxd8 34. Qxd8 Qxc4 {[%mdl 64] Double Attack} 35. Qf6+ Kh7 36. Qxc6 (36. Qxe5 Qxa2 37. Qe7 Kg7 $11)) 29... Rxd7 30. Rxd7 Qe6 $2 {[%mdl 8192]} (30... Qh4 $11 31. fxg3 Rb1+ 32. Bf1 Qxe4) 31. Qc7 $18 Rb1+ 32. Bf1 gxf2+ 33. Bxf2 Rxf1+ 34. Kxf1 Qc4+ 35. Ke1 $1 Qxe4+ 36. Kd1 $2 (36. Kd2 $1 $18 Bg5+ 37. Kc3) 36... Qa4+ $1 $11 37. Ke2 Qg4+ $2 {[%mdl 8192]} (37... Qc4+ $1 $11 {and Black has nothing to worry.} 38. Ke1 Qe4+ 39. Kd2 Bg5+ 40. Kc3 Qf4 41. Qxc6 Qc1+ 42. Kb3 Qb1+ 43. Kc3 Qc1+ 44. Kb3 Qb1+ 45. Ka3 Qc1+ 46. Kb3) 38. Kd2 $1 $18 Qb4+ 39. Ke2 $2 (39. Kd3 $1 $18 Qb1+ 40. Ke2 Qe4+ 41. Be3 Qxg2+ 42. Kd3 Qf1+ 43. Kd2 Qg2+ 44. Kc3) 39... Qg4+ $11 40. Kd2 $2 {[%mdl 8192]} (40. Ke1 $11 Qe4+ 41. Kd2 Bg5+ 42. Kc3) 40... Qb4+ $18 {[#]} 41. Kd3 $1 Qb1+ 42. Ke2 Qc2+ $2 (42... Qe4+ 43. Be3 Qxg2+ 44. Kd3 e4+ 45. Kc3 Qh3) 43. Rd2 {White is clearly winning.} Qe4+ 44. Kf1 Qb1+ 45. Be1 Qf5+ 46. Rf2 Qd3+ 47. Re2 Qf5+ {[#]} 48. Bf2 $1 Qb1+ 49. Re1 {Accuracy: White = 57%, Black = 69%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.07"]
[Round "2.5"]
[White "Duda, Jan-Krzysztof"]
[Black "Laznicka, Viktor"]
[Result "1-0"]
[ECO "A09"]
[WhiteElo "2731"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,81,10,12,0,38,43,51,45,58,46,58,0,52,54,69,46,53,46,75,47,47,47,44,44,44,44,44,43,43,41,38,39,49,41,39,63,63,63,79,79,79,79,79,79,79,79,79,79,79,79,78,72,145,141,209,199,191,193,186,194,197,201,262,254,399,262,706,690,650,316,362,350]} 1. Nf3 d5 2. c4 d4 3. b4 Bg4 4. Qb3 Bxf3 5. Qxf3 c6 6. g3 {A09: Réti Opening: 1 Nf3 d5 2 c4} e5 {LiveBook: 4 Games} 7. b5 $146 ({Predecessor:} 7. Qb3 Nf6 8. Bg2 a5 9. b5 a4 10. Qb2 Bc5 11. O-O O-O {0-1 (46) Howell,D (2644)-Najer,E (2679) Doha 2016}) 7... Nf6 8. Bg2 {White is slightly better.} Be7 9. d3 O-O 10. O-O a6 11. Nd2 (11. bxc6 $14 Nxc6 12. Nd2) 11... Qc7 (11... axb5 $11 12. cxb5 Qc7) 12. bxc6 $14 Nxc6 13. h4 Rab8 14. Rb1 Nd8 15. Ne4 Nd7 16. Bg5 f6 17. Bd2 f5 18. Ng5 Kh8 19. g4 f4 20. Ne4 Ne6 21. g5 Ndc5 22. Nxc5 Nxc5 23. Bb4 b6 24. Qc6 Qa7 25. Bxc5 Bxc5 26. Qe6 Rbe8 27. Qh3 Qe7 28. Bc6 Rd8 29. Kg2 Rd6 30. Be4 Qe8 31. Qf3 Rf7 {[#]} (31... Ba3 $142) 32. Qh5 $1 $16 {[%csl Ge4][%cal Rh5h7]} g6 (32... h6 $16 33. Kf3 Qc8) 33. Qf3 $18 h5 34. gxh6 Rh7 35. Rh1 Rxh6 36. Rbg1 Re6 37. Qg4 Re7 (37... f3+ {keeps fighting.} 38. Bxf3 (38. Qxf3 Qf8 $18) 38... Bb4) 38. Kf3 Rg7 $2 {[#]} (38... Qf8 39. h5 Reh7 40. Bxg6 Rc7) 39. Qg5 $1 {Threatens to win with h5.} Rh5 40. Qf6 (40. Bxg6 $142 Qxg6 41. Qxg6 Rxg6 42. Rxg6) 40... Qe7 41. Rxg6 {Precision: White = 85%, Black = 44%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.08"]
[Round "3.1"]
[White "Gelfand, Boris"]
[Black "Shankland, Samuel"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2655"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,117,22,17,25,16,23,23,23,13,15,17,23,24,16,14,18,27,7,22,22,22,20,25,14,21,25,19,0,141,20,20,29,24,19,38,23,17,0,0,0,20,22,23,14,47,48,45,47,55,46,71,71,77,71,88,88,91,89,88,50,90,64,64,64,73,37,37,37,67,67,131,58,59,58,103,110,103,86,80,62,66,34,35,34,47,51,38,20,54,54,63,13,16,11,11,8,8,8,28,8,63,15,15,0,67,67,29982,29983,29982,29983]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 a6 6. Ne5 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} Nbd7 7. Qb3 Qc7 8. cxd5 {White has an edge.} Nxe5 9. dxe5 Nxd5 10. Nxd5 cxd5 11. Bd2 Qxe5 12. Rc1 Bd7 13. Qb6 $146 ({Predecessor:} 13. Bc3 Qc7 14. Qxd5 {½-½ (30) Ragger,M (2700)-Prohaszka,P (2591) Austria 2017}) 13... Qd6 14. Qxb7 Rb8 15. Qa7 Rxb2 16. Bxa6 f6 17. a4 Bxa4 18. Bc3 Rb8 (18... Rb3 $1 $11) 19. Bd3 (19. Bb7 $1 $16 Bb5 20. Rb1) 19... Bc6 $11 20. O-O {Black should prevent Be5!} Ra8 21. Qb6 {Hoping for Be5!} Rb8 22. Qa6 {[%mdl 1024] aiming for Bxf6! White has compensation.} Ra8 23. Qb6 Rb8 24. Qa6 Ra8 $1 {[%cal Ra8a6]} 25. Bb4 Rxa6 26. Bxd6 Rb6 {[#]} 27. Rxc6 $1 {[%mdl 512]} Rxc6 28. Bb5 exd6 ({Wrong is} 28... Kd7 $2 29. Bg3 $18) 29. Bxc6+ $14 {[%mdl 4096] Endgame KRB-KRB} Kf7 30. Bxd5+ Kg6 31. Rb1 Be7 32. Rb7 Rc8 {[%cal Rc8c1]} 33. g4 Bd8 34. Be6 Rc1+ 35. Kg2 Bc7 36. Ra7 h5 37. h3 hxg4 38. hxg4 Kh7 39. Ra8 Bb6 {[#]} (39... g5 $14) 40. Rb8 ({White should try} 40. Rf8 $1 $16) 40... Ba5 41. Rf8 Rc7 {[#]} 42. Bg8+ $1 Kh6 43. Bd5 Re7 44. Rh8+ Kg6 $1 45. f4 {f5+ would kill now.} f5 $1 46. gxf5+ Kxf5 47. Kf3 {And now Rf8+ would win.} Kg6 $1 48. e4 Rd7 49. Ra8 Bb6 50. Kg4 Rd8 51. Ra6 Rb8 $1 52. e5 dxe5 53. fxe5 Kh7 54. e6 {Rxb6! is the strong threat.} Bd8 (54... Bc5 $11) 55. Ra7 {Strongly threatening e7.} Bf6 56. Be4+ Kg8 (56... Kh6 $1 $11) 57. e7 Kf7 $2 {[%mdl 8192]} (57... Bxe7 $14 58. Rxe7 Kf8) 58. Bd5+ Kg6 {[#]} 59. e8=Q+ $1 {[%mdl 576] Decoy. Accuracy: White = 55%, Black = 54%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.08"]
[Round "3.2"]
[White "Laznicka, Viktor"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2670"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,0,0,-4,-8,-13,-10,-15,0,0,0,-3,0,0,0,0,-8,-5,0,-11,0,0,-4,-14,-14,-16,-12,-15,-11,-13,-6,-12,0,0,0,0,0,0,0,0,0,0,10,0,0,0,0,0,3,0,1,3,7,6,6,0,14,0]} 1. c4 e6 2. Nf3 d5 3. g3 dxc4 4. Qa4+ Bd7 5. Qxc4 c5 6. Ne5 Nc6 {A13: English Opening: 1...e6} 7. Nxd7 Qxd7 8. Bg2 Nf6 {LiveBook: 22 Games. The position is equal.} 9. d3 (9. Nc3 Rc8 10. Qa4 Be7 11. d3 O-O 12. Bd2 Rfd8 13. O-O c4 14. Rfd1 cxd3 {½-½ (22) Gabuzyan,H (2539)-Pashikian,A (2608) Yerevan 2018}) 9... Be7 10. Nd2 Rc8 11. Nf3 O-O 12. O-O Rfd8 $146 ({Predecessor:} 12... Nd5 13. Qg4 f5 {0-1 (25) Kasprzyk,T-Czerwonski,A (2350) Mikolajki 1991}) 13. Bd2 b6 14. Rfc1 Ne8 15. a3 Nd6 16. Qa2 Nb5 17. Kf1 Nbd4 18. Nxd4 Nxd4 19. Be3 a5 20. a4 Nc6 21. Qb3 Nb4 22. Rc4 Bf6 23. Bd2 Rc7 24. h4 g6 25. h5 Qe7 26. Bf3 Bd4 27. hxg6 hxg6 28. Kg2 Kg7 29. Rh1 Rh8 30. Rxh8 Kxh8 31. Rc1 {[%cal Bc4c1,Bc1h1,Bh1h4][%mdl 32]} Kg7 32. Bc3 Rd7 33. Qc4 Rd8 34. Rh1 Qf6 35. Rh4 Qe5 36. Rh1 {Precision: White = 67%, Black = 79%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.08"]
[Round "3.3"]
[White "Rapport, Richard"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2738"]
[BlackElo "2711"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,4,7,2,6,6,16,5,11,8,13,11,16,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,0,0,6,0,0,0,0,0,2,0,5,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 Be7 7. e3 O-O {The position is equal.} 8. Be2 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} h6 9. Bh4 d5 10. cxd5 Nxd5 (10... exd5 11. O-O Be6 12. Rc1 Qd7 13. Nxe6 fxe6 14. Bd3 Rad8 15. Bb1 Qe8 {1-0 (40) Wojtaszek,R (2749)-Radjabov,T (2710) Doha 2016}) 11. Nxc6 $146 ({Predecessor:} 11. Bxe7 Ndxe7 12. Nxc6 Nxc6 13. O-O Qf6 14. Qc2 Ne7 {½-½ (37) Volz,A (1480)-Grewenig,J (1607) Verden/Aller 2007}) 11... bxc6 12. Bxe7 Qxe7 13. Qc2 Rb8 14. O-O Qc5 15. Rab1 e5 16. Rfc1 Nxc3 17. Qxc3 Qxc3 18. Rxc3 Bf5 19. Bd3 Bxd3 20. Rxd3 Rfd8 21. Rxd8+ Rxd8 $11 {[%mdl 4096] Endgame KR-KR} 22. g4 Rd2 23. a4 Rc2 24. b4 Kh7 25. Kg2 f6 26. Kg3 Rc4 27. b5 Rxa4 28. bxc6 {[#] Rc1 is the strong threat.} Rc4 29. Ra1 Rxc6 30. Rxa7 Rc4 {Accuracy: White = 73%, Black = 91%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.08"]
[Round "3.4"]
[White "Navara, David"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2739"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,68,11,17,15,-11,0,-7,-18,-3,-10,-22,-35,-49,0,-5,-5,-6,-6,-6,-5,-6,-6,-6,-6,-8,-8,-6,-8,-14,0,0,0,0,0,0,0,-8,-8,-1,-1,-8,-8,-8,-8,-8,-8,-8,-8,-10,-10,-16,0]} 1. d4 {Nisipeanu,L} Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bxc4 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nxe4 7. O-O Nxc3 (7... Nf6 8. Qa4+ Nc6 9. Bg5 Bxc3 10. bxc3 O-O 11. Ne5 Qd6 12. Rfe1 Nd5 13. Bxd5 exd5 14. Nxc6 Qxc6 15. Qxc6 bxc6 {½-½ (31) Mamedyarov,S (2817)-Duda,J (2738) Wijk aan Zee 2019}) 8. bxc3 Be7 9. Ne5 O-O 10. Qg4 {LiveBook: 128 Games} Nc6 11. Bh6 {[%csl Gh6][%cal Rg4g7] [#]} Bf6 12. Rad1 Ne7 13. Rfe1 c5 {[#]} 14. Qf3 $146 cxd4 {[#] aiming for ...Bxe5.} 15. cxd4 Nd5 16. Bc1 {The position is equal.} Bd7 17. Ba3 Re8 $1 18. Bxd5 exd5 19. Qxd5 Bxe5 20. dxe5 Ba4 21. Qxd8 Raxd8 22. Rxd8 Rxd8 $11 {[%mdl 4096] Endgame KRB-KRB} 23. Rc1 Rd1+ (23... Bc6 {looks sharper.} 24. Bc5 Rd5 25. Bxa7 Rxe5 26. a3 Re2) 24. Rxd1 Bxd1 {KB-KB} 25. f4 Bg4 26. Bd6 Be6 27. a4 b6 28. Bb8 a6 29. Bc7 b5 30. axb5 axb5 31. Bd6 h5 32. Kf2 Kh7 33. g3 Kg6 34. Bf8 f6 {Precision: White = 36%, Black = 77%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.08"]
[Round "3.5"]
[White "Harikrishna, Pentala"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2730"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,31,38,32,47,22,35,12,22,14,21,20,26,27,14,18,192,189,216,227,212,205,354,357,364,370,364,370,402,349,346,351,473,458,533,472,446,438,575,575,574,532,549,543,606,596]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Qc7 5. O-O Nd4 6. Re1 a6 7. Bf1 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6} Ng4 {[#] ( -> ...Nxf3+)} 8. e5 {Strongly threatening Nxd4.} (8. g3 Nxf3+ 9. Qxf3 Ne5 10. Qe2 d6 11. Nd5 Qd8 12. Bg2 e6 13. Ne3 g6 14. b4 cxb4 {1-0 (35) Wei,Y (2735)-Inarkiev,E (2690) Magas 2018}) 8... Nxf3+ 9. Qxf3 {White is slightly better.} Nxe5 10. Qh5 Ng6 11. Nd5 Qd6 12. d4 cxd4 13. Bd2 $36 {[%mdl 2048] White is more active.} e6 $146 (13... b6 $1 $11 {and Black has nothing to worry.}) ({Predecessor:} 13... b6 14. Bb4 Qc6 15. Bxe7 Nxe7 16. Rxe7+ Bxe7 {½-½ (34) Dimitrov,D (2395)-Petkov,S (2378) ICCF email 2009}) 14. Ba5 $18 b6 15. Bxb6 Nf4 16. Qh4 {[%csl Gb6][%cal Rh4d8]} Be7 (16... f6 $142) 17. Nxe7 {Nf5 is the strong threat.} Qxb6 18. Nxc8 ({Not} 18. Qxf4 Kxe7 19. Rad1 Rb8 $16) 18... Rxc8 19. Qxf4 Rxc2 20. b3 O-O 21. Red1 Qa5 22. Qxd4 {White is clearly winning.} Rxa2 23. Rxa2 Qxa2 24. Qa4 Qc2 25. Rxd7 g6 26. g3 a5 27. Ra7 Rb8 {[#]} 28. Rxf7 $1 {[%mdl 576] Decoy. Accuracy: White = 88%, Black = 40%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.09"]
[Round "4.1"]
[White "Rapport, Richard"]
[Black "Laznicka, Viktor"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2738"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,4,8,0,11,2,0,0,2,0,43,-13,42,16,22,0,0,-8,3,-5,-5,-12,-11,-13,14,-17,-16,-17,-18,-31,0,-6,7,-22,0,-11,-13,-20,-23,-37,-35,-50,-46,-46,-24,-24,-24,-40,-10,-28,0,0,0,10,48,39,160,160,204,186,776,773,766,757,752,747]} 1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Na5 5. Bb3 Nxb3 6. axb3 d5 7. Nf3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} (7. exd5 Nxd5 8. Qh5 Nb4 9. Qxe5+ Be7 10. Qe2 O-O 11. Qd1 Re8 12. Nge2 b6 13. O-O Bb7 14. Be3 Qd7 15. Qd2 {1-0 (38) Ivanchuk,V (2769)-Chadaev,N (2580) Astana 2012}) 7... dxe4 8. dxe4 $146 {Black must now prevent Qxd8+.} ({Predecessor:} 8. Nxe5 exd3 9. Qxd3 Qxd3 10. Nxd3 Bf5 11. Nb5 Bd6 12. Nxd6+ cxd6 13. Be3 Bxd3 14. cxd3 Nd5 15. Ra5 Nb4 16. Rb5 Nc2+ {½-½ (16) Casper,T (2430)-Khalifman,A (2515) Moscow 1987}) 8... Qxd1+ 9. Kxd1 {The position is equal.} Bd6 10. Bg5 Nd7 11. Ke2 (11. Nd2 $14) 11... a6 (11... b6 $11) 12. Rhd1 Rb8 13. Nd2 {With the idea Nc4.} b5 14. Nf1 Nc5 15. Ng3 Ne6 16. Be3 g6 17. Nd5 Nf4+ (17... h5 {is interesting.} 18. f3 Bb7 19. Nf6+ Ke7 20. Nd5+ Kf8) 18. Kf1 (18. Bxf4 {looks sharper.} exf4 19. Nh1 f5 20. f3 Kf7 21. Nf2) 18... Nxd5 19. Rxd5 Bb7 20. Rd3 h5 21. f3 Ke7 22. Nh1 f5 23. Bg5+ Ke6 24. Nf2 Rhf8 25. Ke2 Ra8 26. Bh6 Rfb8 27. Bd2 b4 28. c4 a5 29. Be3 Ra6 30. Rdd1 f4 31. Bd2 g5 32. g3 Rba8 33. gxf4 gxf4 (33... exf4 $14 34. Rg1 Rg8) 34. Rg1 $16 a4 {[#]} 35. Rg7 $1 a3 $2 (35... Rf8) 36. Rag1 $18 {[%cal Rg1g6] White is clearly winning.} Rf8 37. Nh3 {Threatening mate with R1g6+.} Be7 {[#]} 38. Bxb4 $1 {[%mdl 512] Accuracy: White = 43%, Black = 36%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.09"]
[Round "4.2"]
[White "Duda, Jan-Krzysztof"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2731"]
[BlackElo "2739"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,7,0,5,0,0,0,6,2,6,6,15,18,6,12,19,10,33,26,45,3,15,8,27,30,43,31,57,62,60,43,60,63,60,43,51,62,70,48,51,40,50,0,0,0,25,0,60,73,104,97,104,100,581,568,1771,1717,1562,1493,1232,651,648,622,612,603,573,568]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Nbd2 c5 6. dxc5 Bxc5 7. a3 {D30: Queen's Gambit Declined: Systems without Nc3} a5 8. Qc2 {LiveBook: 9 Games} (8. cxd5 exd5 9. Nb3 Bb6 10. Nbd4 Nc6 11. b3 Bg4 12. Bb2 Bxd4 13. Bxd4 Bxf3 14. gxf3 O-O {½-½ (65) Mamedyarov,S (2757)-Erdos,V (2658) Warsaw 2013}) 8... O-O 9. b3 {The position is equal.} b6 10. Bb2 Bb7 11. Bd3 Nbd7 {[%cal Bb8d7,Bd7e5,Be5d3][%mdl 32]} 12. cxd5 exd5 13. Bd4 {[#]} Bxd4 $146 ({Predecessor:} 13... Qe7 14. Qb2 Ne4 {0-1 (37) Perez Pardo,J (2297)-Bhat,V (2540) Caleta 2010}) 14. Nxd4 Ne5 {And now ...Rc8 would win.} 15. Be2 Ne4 16. O-O Qc8 {Threatens to win with ...Qxc2.} 17. Qa2 Nc3 18. Qb2 Nxe2+ 19. Nxe2 Nd3 20. Qb1 Ba6 21. Rd1 Re8 22. Nf3 Ne5 23. Nxe5 Bxe2 24. Rc1 Qb7 25. Qb2 Bh5 26. Nd3 f6 27. Nf4 $36 {[%mdl 2048] White has the initiative.} Bf7 28. h3 d4 $1 {[%cal Rd4e3]} 29. Qxd4 Bxb3 30. a4 {[%cal Ba3a4,Ba4b5,Bb5b6][%mdl 32]} b5 ({Black should play} 30... Rad8 $11 31. Qc3 Bf7) 31. axb5 $14 a4 {[#]} 32. Rc5 $1 Rec8 33. Ne2 Qe7 $2 {[%mdl 8192] [#]} (33... a3 $16 {is more resistant.}) 34. Rxa4 $1 $18 {[%mdl 512] White is clearly winning.} Rxc5 (34... Rxa4 35. Rxc8+) 35. Rxa8+ Kf7 36. b6 Rd5 37. Ra7 Rxd4 38. Nxd4 Bd5 {If only Black now had time for ...Bb7....} 39. Rxe7+ Kxe7 40. Nf5+ {Precision: White = 61%, Black = 50%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.09"]
[Round "4.3"]
[White "Vitiugov, Nikita"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "2726"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,111,0,0,0,0,0,6,7,0,0,0,0,0,0,0,0,0,0,-7,-2,-38,-41,-49,-41,-35,-22,-21,0,-23,-14,-15,-11,-41,-52,-58,-59,-74,-74,-75,-75,-106,-106,-106,-106,-114,-114,-114,-114,-114,-106,-114,-109,-109,-109,-109,-108,-109,-108,-109,-106,-106,-106,-106,-106,-106,-97,-108,-97,-97,-97,-97,-97,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108,-108]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Rb8 12. Nc2 Bg5 13. Be2 O-O 14. O-O Be6 15. Qd3 a5 16. Rfd1 b4 {B33: Sicilian: Pelikan and Sveshnikov Variations} (16... Kh8 17. Nce3 Qd7 18. a3 a4 19. Nb4 Rfd8 20. Nxc6 Qxc6 21. Nd5 Qc5 22. Qg3 Bh6 23. Bg4 Qa7 24. Rd3 {1-0 (44) Georgiev,K (2593)-Banusz,T (2612) Valjevo 2018}) 17. Nce3 bxc3 18. bxc3 Ne7 {[#] The position is equal.} 19. a4 $146 ({Predecessor:} 19. Rab1 Rxb1 20. Rxb1 Bxe3 21. fxe3 Nxd5 22. exd5 Bd7 23. c4 Qc7 24. Qb3 Qc5 25. Qb6 Qa3 26. Qb3 Qc5 27. Qb6 Qa3 28. Qb3 Qc5 {½-½ (28) Csjernyik,J (2504)-Mayer,R (2461) ICCF email 2008}) 19... Nxd5 20. Nxd5 Rb2 21. Rab1 Qb8 22. c4 g6 23. Rxb2 Qxb2 24. Rb1 Qa2 25. Qd1 Bxd5 26. exd5 e4 27. Ra1 Qb2 28. Rb1 Qa3 29. Qb3 (29. Qc2 {keeps more tension.} f5 30. g3 Rc8 31. Kg2 Bf6 32. Rb7) 29... Qxb3 30. Rxb3 $11 {[%mdl 4096] Endgame KRB-KRB} Bd2 31. Rb7 (31. c5 $5 dxc5 32. Bc4 $15) 31... Bb4 32. Re7 f5 33. c5 Bxc5 {Black is better.} 34. Bb5 Rf7 35. Rxf7 Kxf7 $17 {KB-KB} 36. Kf1 Kf6 37. Ke2 Ke5 38. Bc6 Bb6 39. Bb7 Bd8 40. Bc6 Bg5 41. Bb7 Bf4 42. h3 Bg5 43. Bc6 Bd8 44. Bb7 h5 45. Bc6 h4 46. f3 Bb6 47. fxe4 Kxe4 48. Bb7 Kf4 49. Bc6 Bc5 50. Be8 g5 51. Bd7 g4 52. Be6 gxh3 53. gxh3 Ke4 54. Bd7 f4 55. Bc6 f3+ 56. Kf1 {Accuracy: White = 53%, Black = 91%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.09"]
[Round "4.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Shankland, Samuel"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2711"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,104,7,12,12,29,-8,10,-64,-59,-76,-75,-76,-54,-72,-51,-54,-58,-52,-58,-44,-52,-64,-41,-49,-39,-77,0,-1,0,0,0,0,0,0,0,0,0,-115,-115,-115,-115,-122,-115,-123,-116,-122,-122,-122,-122,-122,-116,-123,-123,-122,-123,-116,-116,-123,-123,-273,0,-58,0,-281,-281,-281,-281,-281,-281,-748,-748,-748,-748,-748,-748,-748,-741,-733,-733,-733,-733,-719,-719,-704,-702,-694,-679,-653,-639,-624,-613]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 {[%cal Bb8d7,Bd7e5,Be5f3][%mdl 32]} 8. Nf3 O-O 9. Be2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} e5 (9... Nb6 10. Qb4 Qd6 11. O-O Bg4 12. Qb3 c6 13. Rd1 Qc7 14. Ba3 Nc8 15. Rac1 Bxf3 16. Bxf3 Rd8 {1-0 (29) Inarkiev,E (2683)-Li,C (2741) Palma de Mallorca 2017}) 10. Ba3 Re8 11. dxe5 $146 (11. d5 $11) ({Predecessor:} 11. d5 Nb6 12. Qb3 c6 13. dxc6 Be6 14. c4 Qc7 15. cxb7 Rab8 16. Ng5 Rxb7 17. Nxe6 Rxe6 {1-0 (46) Lalith,B (2525)-Aravindh,C (2573) Patna 2017}) 11... Nxe5 $15 12. Rd1 Bd7 13. Qb3 Nxf3+ 14. gxf3 Qc8 15. h4 Be6 16. c4 Rd8 17. Rxd8+ Qxd8 18. Bb2 Bd4 19. Kf1 Rb8 20. Qa3 Qf6 {[#]} (20... c5 $17) 21. Qxa7 $1 $11 {[%mdl 512]} Rd8 (21... Bxa7 22. Bxf6) 22. Bxd4 Rxd4 23. Qb8+ Qd8 24. Qxb7 Rd2 25. Qa7 Qf6 {And now ...Bxc4! would win.} 26. Qxc7 (26. Qe3 $11 {remains equal.} Rxa2 27. Kg2) 26... h5 $1 $17 {White must now prevent ...Qd4.} ({Much weaker is} 26... Qb2 $6 27. h5 $11) 27. Qb8+ Kh7 {[%mdl 1024] Black has strong compensation.} 28. Qb3 Qd4 {aiming for ...Rxe2!} 29. Qe3 Qb2 30. f4 Qc2 $1 31. Bf3 Rd3 $1 {[%cal Rd3e3]} 32. Qe2 Qc3 $1 33. f5 gxf5 34. Kg2 Rd2 $1 {[%cal Rd2e2]} 35. Qe1 Qg7+ $1 36. Kh2 Qd4 $36 {[%mdl 2048] Black is really pushing.} 37. Kg2 {[#]} (37. exf5 $17 Bxc4 38. Kg2) 37... Qg7+ $2 ({Better is} 37... f4 $1 $19 38. e5 Kh6) 38. Kh2 $15 Qd4 $2 (38... Qe5+ $1 $15 39. Kg2 Qg7+) 39. Kg2 $1 $19 {[#]} f4 $1 {( -> ...Qg7+)} 40. e5 {Qe4+ is the strong threat.} Kh6 41. Rf1 Bxc4 {[%mdl 64] Double Attack} 42. Rg1 $2 (42. a4) 42... Rxa2 {Black is clearly winning.} 43. Kh1 Rxf2 44. Qb4 Qd8 {[%cal Rd8h4]} 45. Qd6+ Qxd6 46. exd6 Rxf3 {[%mdl 4096] Endgame KRB-KR} 47. Rd1 Rh3+ 48. Kg2 Rg3+ 49. Kf2 Rg8 50. Kf3 Rd8 51. Kxf4 Kg6 52. Ke5 f6+ {Accuracy: White = 68%, Black = 76%.} 0-1

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.09"]
[Round "4.5"]
[White "Wojtaszek, Radoslaw"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2722"]
[BlackElo "2730"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,70,0,0,20,26,25,22,25,14,24,22,20,22,20,21,18,16,20,5,9,14,59,44,47,50,47,45,53,42,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Bd6 {E05: Open Catalan: 5 Nf3 Be7} (10... Be4 11. Qc1 Bb7 12. Rd1 Qc8 13. Ba5 c5 14. dxc5 Bxc5 15. Nbd2 Nbd7 16. Nb3 Ba7 17. Qf4 Nb6 18. Bxb6 Bxb6 19. Rac1 Qe8 20. Ne5 Bxg2 21. Kxg2 {½-½ (75) Ding,L (2813)-Radjabov,T (2757) Wijk aan Zee 2019}) 11. Re1 Be4 12. Qc1 Bb7 13. a3 Nbd7 14. b4 Ra7 {[#]} 15. Nc3 $146 ({Predecessor:} 15. a4 Qa8 16. axb5 axb5 17. Rxa7 Qxa7 18. Nc3 Bxb4 19. Nxb5 Qa5 20. Bxb4 {½-½ (22) Laznicka,V (2654)-Movsesian,S (2666) Pardubice 2016}) 15... Ne4 16. Nxe4 Bxe4 17. Ng5 Bxg2 18. Qc2 {[%csl Gg5][%cal Rc2h7] [#]} g6 {Threatens to win with ...Bb7.} 19. Kxg2 e5 20. dxe5 Nxe5 21. Ne4 Nc4 22. Bc3 Be7 23. Rad1 Qa8 {[#] And now ...f5 would win.} 24. Rd7 c5 $1 {The position is equal.} 25. Rxa7 Qxa7 26. Nf6+ Bxf6 $1 27. Bxf6 a5 28. e4 cxb4 {Strongly threatening ...Qc7.} 29. Qc1 {Qh6 would kill now.} Qb6 30. e5 Qc6+ ({And not} 30... bxa3 31. Qh6 Qb7+ 32. f3 Ne3+ 33. Rxe3 Qxf3+ 34. Rxf3 Re8 35. Qg7#) 31. f3 {Threatening mate with Qh6.} Nxe5 $1 32. Bxe5 Qxc1 33. Rxc1 {Black must now prevent axb4.} bxa3 34. Rc5 f6 $1 {[%cal Rf6e5]} 35. Rxb5 {Bd6 is the strong threat.} fxe5 {Accuracy: White = 87%, Black = 85%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.10"]
[Round "5.1"]
[White "Harikrishna, Pentala"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "C15"]
[WhiteElo "2730"]
[BlackElo "2738"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,25,33,0,0,-9,-7,-11,-3,-6,0,-7,-2,-20,0,0,0,0,0,-3,0,0,0,-31,-23,-40,-37,-29,-32,-32,0,0,0,0,0,0,0,0,0,0,0,0,15,0,0,0,16,16,33,0,22,0,16,0,0,0,0,0,24,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 exd5 5. Bd3 c6 6. Qf3 Qf6 7. Bf4 {C01: French: Exchange Variation} (7. Be3 Qxf3 8. Nxf3 Ne7 9. Nh4 Nd7 10. h3 Nf8 11. O-O-O Nfg6 12. Nxg6 hxg6 13. g4 Bxc3 14. bxc3 Be6 {1-0 (65) Pridorozhni,A (2573)-Sivuk,V (2545) Cheliabinsk 2018}) 7... Ne7 8. Qg3 Nd7 {[%cal Bb8d7,Bd7f8,Bf8e6,Be6f4][%mdl 32] LiveBook: 5 Games} 9. Nf3 {White is slightly better.} Ng6 10. Bc7 Ndf8 $146 ({Predecessor:} 10... Qe7+ 11. Kd2 Nf6 12. Rae1 Ne4+ 13. Bxe4 dxe4 14. Rxe4 Qxe4 {1-0 (35) Reichstein,H (2235)-Haas,S (2240) Germany 1999}) 11. a3 Be7 $1 12. O-O-O $132 {[%mdl 2048] White is not keeping still} Ne6 13. Bd6 $1 Bxd6 14. Qxd6 {Threatens to win with Nxd5!} Qf4+ 15. Qxf4 Nexf4 16. Rde1+ Kf8 17. Bf1 Bg4 18. Nd2 {[%cal Bf3d2,Bd2b3,Bb3d4][%mdl 32]} h5 19. f3 (19. Nd1 {is more complex.} Ne7 20. Ne3 Re8 21. h3 Bd7 22. h4) 19... Bf5 20. g3 Ne6 21. Nb3 Re8 22. h4 Bxc2 23. Kxc2 {[#] Black must now prevent Bh3.} Nxd4+ $1 24. Nxd4 Rxe1 25. f4 Re8 26. b4 Ne7 27. Bd3 Nc8 28. Kd2 Nd6 29. Nce2 a6 30. Rc1 Rh6 31. a4 Rc8 32. Rc5 {[%mdl 1024] White has compensation.} Ke8 33. Nc3 Kf8 34. a5 Rd8 35. Nce2 Ke8 36. Rc1 Kd7 37. Nc3 Re8 {The position is equal.} 38. Na4 Kc7 39. Nc5 Rf6 40. Rc3 Rh6 41. Rc1 Rf6 42. Rc3 {Precision: White = 62%, Black = 70%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.10"]
[Round "5.2"]
[White "Laznicka, Viktor"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "2670"]
[BlackElo "2711"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,69,0,0,-9,-9,0,0,14,0,8,0,0,0,0,0,-4,-4,-6,0,4,0,0,0,14,15,14,16,11,0,0,0,0,3,17,0,0,0,0,0,0,-21,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. d3 O-O 9. a3 Re8 10. Be3 Bf8 11. Rc1 {The position is equal.} Nd4 {A29: English Opening: Four Knights Variation with 4 g3} 12. Ne4 {[%cal Bc3e4,Be4c5,Bc5b3][%mdl 32]} c6 13. b4 (13. Bg5 f6 14. Nxd4 exd4 15. Bd2 Be6 16. Re1 Bd5 17. Qc2 Qd7 18. b4 Rad8 19. Qb2 {0-1 (73) Nepomniachtchi,I (2767)-Karjakin,S (2785) Doha 2016}) 13... Bg4 14. Bxd4 exd4 15. Nc5 Rb8 $146 ({Predecessor:} 15... Bxc5 16. Rxc5 Qf6 17. h3 Bxf3 18. Bxf3 Re5 19. Rxe5 Qxe5 {1-0 (66) Nadezhdin,D (2210)-Barbitskij,A St Petersburg 1997}) 16. Nb3 Bxf3 17. Bxf3 g6 18. Nc5 Nd5 19. Qb3 Nc3 20. Ne4 Nxe4 21. Bxe4 Kg7 22. Rc4 f5 23. Bf3 Qf6 24. Qb2 Red8 25. b5 c5 26. Ra4 Qb6 $1 27. e4 f4 28. e5 fxg3 29. hxg3 Re8 30. Qe2 Qxb5 31. Rxa7 Qb6 32. Ra4 Qb3 33. Ra7 Qb6 34. Ra4 Qb3 35. Ra7 {Accuracy: White = 80%, Black = 78%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.10"]
[Round "5.3"]
[White "Shankland, Samuel"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2731"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,73,27,1,13,0,0,-8,0,0,-2,5,10,0,21,20,21,24,20,10,11,11,34,23,33,15,38,35,35,35,35,34,29,8,16,16,16,12,15,10,18,6,5,6,25,24,46,8,18,11,63,55,56,60,60,51,50,41,39,26,19,0,26,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6d5][%mdl 32]} 5. cxd5 exd5 6. Bf4 c6 7. h3 Ne4 {D35: Queen's Gambit Declined: Exchange Variation} (7... Bb4 8. Nd2 Nf8 9. e3 Ng6 10. Bh2 Bf5 11. g4 Be6 12. Bd3 O-O 13. O-O Nd7 14. a3 Bxc3 15. bxc3 {0-1 (53) Le,Q (2739)-Karjakin,S (2773) Saint Louis 2017}) 8. Nxe4 (8. e3 {keeps more tension.} Bb4 9. Qc1 Qa5 10. Nd2 Ndf6 11. Bd3) 8... dxe4 9. Nd2 $1 Nf6 {With the idea ...Nd5.The position is equal.} 10. e3 Nd5 11. Be5 f6 12. Bg3 $146 ({Predecessor:} 12. Bh2 f5 13. Bc4 Be6 14. O-O Bb4 15. a3 Bd6 16. Bxd6 Qxd6 17. Qh5+ g6 18. Qe2 O-O 19. Rac1 Rae8 20. Bxd5 Bxd5 21. Nc4 Qe7 {½-½ (21) Slipak,S (2498)-Radulski,J (2487) Bled 2002}) 12... Bb4 (12... f5 {feels hotter.} 13. Be5 Be6 14. Qh5+ g6 15. Qd1 Rg8) 13. a3 Bxd2+ $1 14. Qxd2 O-O 15. Be2 Be6 16. O-O Qd7 17. Rfc1 f5 18. Be5 Qf7 19. b4 f4 20. exf4 Nxf4 21. Bf1 Rad8 22. Rc3 Ng6 23. Bg3 Qf6 24. Rd1 a6 25. a4 Bd5 26. b5 axb5 27. axb5 Qe6 28. Ra1 Ra8 29. Qb2 (29. Rca3 {with more complications.} Rxa3 30. Rxa3 Ne7 31. bxc6 Nxc6 32. Rc3) 29... Rxa1 30. Qxa1 cxb5 (30... h5 $11) 31. Bxb5 $14 Rc8 32. Rxc8+ Qxc8 33. Qa3 h6 34. Qd6 Qe6 35. Qd8+ Kh7 36. Kh2 Bc6 37. Bxc6 {Accuracy: White = 40%, Black = 52%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.10"]
[Round "5.4"]
[White "Navara, David"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2739"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,70,21,22,10,16,14,27,17,31,17,21,-29,-22,-33,75,65,67,76,82,70,72,89,98,108,94,114,108,103,106,110,263,247,416,414,415,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. g4 b5 12. g5 Nh5 13. Kb1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Nb6 14. Na5 {Hoping for Nc6.} (14. Nd5 Nxd5 15. exd5 Bd7 16. Na5 Rc8 17. Bd3 Qc7 18. Rhg1 f5 19. gxf6 Bxf6 20. Nc6 Kh8 {1-0 (47) Wang,H (2730)-Najer,E (2670) St Petersburg 2018}) 14... Rc8 15. a3 {White has an edge.} g6 16. h4 $1 Ng3 17. Rh2 Nxf1 18. Rxf1 {[#]} h5 $146 (18... Na4 $1 $15 {keeps the upper hand.} 19. Nxa4 bxa4) ({Predecessor:} 18... Na4 19. Nxa4 bxa4 {½-½ (33) Jonsson,D (2531)-Burg,T (2589) ICCF email 2014}) 19. Bxb6 Qxb6 20. Nd5 $36 {[%mdl 2048] Keeping Black busy.} Bxd5 21. exd5 f5 22. gxf6 Bxf6 23. Rg2 {Qh6 is the strong threat.} Kh7 24. Nc6 {And now f4 would win.} Qc5 {[#]} 25. Qd3 $1 {[%cal Rd3g6]} Rg8 26. f4 e4 $2 {[#]} (26... Qc4 $16 {was necessary.}) 27. Qd1 $1 $18 ({Weaker is} 27. Qxe4 Rce8 $14) 27... Kh6 $2 (27... Qe3) 28. f5 {Threatens to win with fxg6.} gxf5 29. Rxg8 $2 (29. Rgf2 $18 Bxh4 30. Rxf5) 29... Rxg8 $11 {The position is equal.} 30. Rxf5 {[%mdl 64] Double Attack} Rg6 $1 31. Qf1 Rg1 (31... Bxh4 $5 32. Qf4+ $8 Bg5 33. Rxg5 Rxg5 34. Qf6+ Rg6 35. Qf8+ Kg5 36. Qe7+ {[%mdl 64] Double Attack} Kf4 37. Qf7+ {[%mdl 64] Double Attack} Kg5 $11) 32. Rxf6+ Kh7 (32... Kg7 $5 33. Rf7+ $8 Kh8 34. Rf8+ Kg7 35. Rf7+ Kh8 36. Rf8+ Kh7 37. Rf7+ Kh8 $11) 33. Rf7+ Kh6 (33... Kh8 $5 34. Rf8+ $8 Kh7 35. Rf7+ Kh8 36. Rf8+ Kh7 37. Rf7+ $11) 34. Rf6+ Kh7 35. Rf7+ Kh6 {Accuracy: White = 93%, Black = 49%.} (35... Kh8 $5 36. Rf8+ $8 Kh7 37. Rf7+ $11) 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.10"]
[Round "5.5"]
[White "Gelfand, Boris"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2655"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,49,14,14,14,22,18,20,14,31,41,59,63,55,57,57,57,57,59,52,39,40,34,45,45,55,47,47,0,39,0,45,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 c6 8. Qxc4 b5 9. Qd3 Bb7 10. Nc3 Nbd7 11. Be3 {D43: Semi-Slav: 5 Bg5 h6} b4 (11... a6 12. a4 Nd5 13. Ne4 Qb6 14. a5 Qc7 15. Rfc1 h6 16. Bd2 Rad8 17. Qb1 e5 18. dxe5 Nxe5 19. Nxe5 Qxe5 {1-0 (53) Vidit,S (2707)-Johansson,L (2457) Malmo 2018}) 12. Ne4 Nxe4 $146 ({Predecessor:} 12... Nd5 13. Neg5 g6 14. Ne4 Qb6 15. Rac1 Rfd8 16. Rfd1 Rac8 17. h3 Ba6 18. Qd2 Bb5 19. Bh6 c5 20. dxc5 Nxc5 21. Nxc5 Bxc5 22. Qe1 Ba4 23. Rd3 Bb5 24. Rdd1 Ba4 25. Rd3 {½-½ (25) Jedrzejowski,M (2502)-Nasibullin,V (2547) ICCF email 2006}) 13. Qxe4 {The position is equal.} Qb6 14. Ng5 Bxg5 15. Bxg5 Rfb8 16. Qg4 f5 17. Qh4 c5 18. dxc5 Nxc5 19. Bxb7 Rxb7 20. Qc4 Ne4 21. Be3 Rc7 22. Qb3 Nc5 23. Qc4 Ne4 24. Qb3 Nc5 25. Qc4 {Accuracy: White = 46%, Black = 60%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.12"]
[Round "6.1"]
[White "Laznicka, Viktor"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2670"]
[BlackElo "2730"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,56,36,29,31,14,30,20,23,8,0,0,13,18,20,4,8,0,6,0,18,0,0,6,44,42,53,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nf3 d5 3. e3 dxc4 4. Bxc4 a6 5. b3 Nf6 6. Bb2 c5 7. O-O Nc6 8. d4 cxd4 9. Nxd4 Bd7 10. Nd2 Be7 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 11. N4f3 O-O 12. Rc1 Rc8 13. Ng5 $146 ({Predecessor:} 13. Qe2 Nb4 14. a3 b5 15. axb4 bxc4 16. Nxc4 Bxb4 {½-½ (58) Giri,A (2771)-Caruana,F (2823) London 2016}) 13... h6 14. Nge4 Nb4 15. a3 Nbd5 16. Qe2 Nxe4 17. Nxe4 Nf6 18. Bd3 Bc6 19. Rcd1 (19. Rfd1 {is more complex.} Bxe4 20. Bxe4 Rxc1 21. Bxc1 Qb6 22. Bc2) 19... Nxe4 20. Bxe4 Bxe4 21. Rxd8 Rfxd8 22. Rc1 (22. Qg4 $14 Bg6 23. b4) 22... Rxc1+ $11 {The position is equal.} 23. Bxc1 Bd3 24. Qd1 Bg6 {[%cal Rd8d1] [#]} 25. Qe2 Bd3 26. Qd1 Be4 {[%cal Rd8d1]} 27. Qe2 Bd3 28. Qd1 Be4 {Accuracy: White = 40%, Black = 73%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.12"]
[Round "6.2"]
[White "Rapport, Richard"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2738"]
[BlackElo "2739"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,105,0,-2,1,6,0,12,12,21,20,22,28,45,46,30,25,25,24,20,35,35,21,33,29,28,8,28,33,34,30,49,44,68,70,115,106,114,101,100,52,59,55,67,66,53,64,60,58,58,58,61,28,33,28,46,35,35,35,58,58,58,58,58,58,54,54,54,54,56,30,30,30,35,30,30,30,30,30,30,30,30,30,61,59,56,55,66,22,22,19,68,68,316,316,316,316,316,316]} 1. c4 e5 2. b3 Nf6 3. Bb2 Nc6 4. Nf3 (4. e3 g6 5. d3 Bg7 6. Nf3 d6 7. Be2 O-O 8. a3 Nd7 9. Nc3 a5 10. O-O Re8 11. Nd2 Nc5 12. Nd5 {½-½ (39) Topalov,V (2761)-Aronian,L (2792) Paris 2016}) 4... e4 5. Nd4 Bc5 6. Nf5 {A01: Nimzowitsch-Larsen Opening} O-O 7. e3 d5 8. cxd5 {The position is equal.} Qxd5 (8... Nb4 $5 {[%cal Rc8f5]} 9. Ng3 Nbxd5 $11) 9. Ng3 Ne5 10. Nc3 Nd3+ 11. Bxd3 $1 Qxd3 12. Qe2 $146 ({Predecessor:} 12. Qb1 Qxb1+ 13. Rxb1 {½-½ (53) Nothnagel,H (2305)-Rasik,V (2465) Germany 1999}) 12... Re8 13. Rc1 {With the idea Nb5.} Bb6 14. f3 Qxe2+ 15. Kxe2 {[%cal Rg3e4]} exf3+ 16. gxf3 c6 17. Rhg1 $36 {[%mdl 2048] White is more active.} Bd4 18. Kf2 Be5 19. d4 Bc7 20. Nce4 {[#] Threatens to win with Nxf6+.} Nxe4+ 21. Nxe4 Re6 22. d5 $1 {[%cal Rd5e6]} Rg6 23. dxc6 bxc6 24. h4 Bd8 25. h5 Bh4+ 26. Ke2 Rxg1 27. Rxg1 g6 28. Nf6+ Bxf6 29. Bxf6 $14 {[%mdl 4096] Endgame KRB-KRB} c5 30. h6 Be6 31. e4 a5 32. f4 Ra6 33. Be7 {f5 is the strong threat.} c4 34. f5 cxb3 {White should prevent ...Bc4+.} 35. fxe6 Rxe6 {KRB-KR} 36. Bc5 bxa2 37. Kd3 f5 38. exf5 Re5 39. Bd4 (39. Be3 {with more complications.} Rd5+ 40. Ke4 Rb5 41. Ra1 gxf5+ 42. Kd4) 39... Rxf5 40. Ra1 Kf7 41. Rxa2 {Strongly threatening Rb2.} g5 $1 42. Rb2 {aiming for Rb6.} Kg6 $1 43. Rb6+ Kh5 44. Ra6 a4 45. Ke3 ({Resist} 45. Rxa4 $6 Kxh6 46. Ra6+ Kh5 $16) 45... a3 46. Bg7 ({Much less strong is} 46. Rxa3 Kxh6 47. Ra6+ Kh5 $16) 46... g4 47. Ke4 Rg5 48. Rxa3 {[#] And now Kf4 would win.} g3 49. Ra1 {Hoping for Kf3.} g2 50. Rg1 {Black must now prevent Ke3.} Rg4+ $2 (50... Rg3 $14) 51. Kf3 $18 {White has a decisive advantage.} Kh4 {Black hopes to continue with ...Kh3.} 52. Rxg2 Rxg2 53. Kxg2 {[%mdl 32768] Accuracy: White = 80%, Black = 64%. . An unexpected result.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.12"]
[Round "6.3"]
[White "Wojtaszek, Radoslaw"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2722"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,33,0,0,-14,-6,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 {[%cal Bb8c6,Bc6e5,Be5c4][%mdl 32]} 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Ndb5 Ne5 8. Bg2 {The position is equal.} a6 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} 9. Na4 (9. Qa4 Rb8 10. Be3 Bc5 11. Bxc5 Qxc5 12. Qa3 b6 13. Nd6+ Ke7 14. Qxc5 bxc5 15. Nxc8+ Rhxc8 16. b3 d5 17. cxd5 {1-0 (47) Ivanchuk,V (2708)-Saric,I (2685) Mali Losinj 2018}) 9... Qd8 10. Nbc3 Nxc4 11. b3 $146 ({Predecessor:} 11. O-O d5 12. b3 Nd6 13. Bf4 Be7 14. Rc1 O-O 15. Qd3 Bd7 16. Nc5 {0-1 (44) Lederer,Y (2259)-Macieja,B (2530) Chicago 2017}) 11... Ne5 12. Be3 d5 13. Bb6 $1 {[%cal Rb6d8]} Qd6 14. Bc5 Qd8 15. Bb6 Qd6 16. Bc5 Qd8 17. Bb6 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.12"]
[Round "6.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2711"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,54,37,51,56,58,43,42,35,56,51,51,36,50,57,57,56,50,0,0,0,0,0,42,32,43,35,46,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 c6 6. Ne5 Bb4+ 7. Bd2 {E04: Open Catalan: 5 Nf3} Be7 8. e3 b5 {LiveBook: 5 Games} 9. Nxc6 {White is slightly better.} Nxc6 10. Bxc6+ Bd7 11. Bxa8 Qxa8 12. f3 e5 13. dxe5 (13. O-O exd4 14. exd4 O-O {½-½ (39) Michalik,P (2549)-Harikrishna,P (2738) Czech Republic 2018}) 13... Ng4 $1 14. O-O Nxe5 15. Bc3 Nd3 $1 {[#]} 16. b3 $146 {[#] bxc4 is the strong threat.} ({Much less strong is} 16. Bxg7 $6 Rg8 $16) 16... O-O 17. bxc4 bxc4 18. Nd2 Bh3 19. Nxc4 Bxf1 20. Kxf1 Rd8 {[#] Strongly threatening ...Nb2!} 21. Bd4 Bf6 $1 {The position is equal.} 22. Bxf6 gxf6 23. Qe2 Qc8 $1 {[%cal Rc8c4]} 24. Nd2 Nc1 $1 {[%cal Rc1e2]} 25. Qe1 Nd3 {( -> ...Qh3+)} 26. Qe2 Nc1 $1 {[%cal Rc1e2]} 27. Qe1 Nd3 {Precision: White = 77%, Black = 88%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.12"]
[Round "6.5"]
[White "Duda, Jan-Krzysztof"]
[Black "Shankland, Samuel"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2731"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,-6,2,23,0,16,7,10,5,21,0,7,7,7,7,7,4,3,3,3,3,3,4,4,5,8,4,10,4,9,0,8,10,3,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. b3 e6 4. Bb2 Be7 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. Nc3 d5 9. e3 Qc8 {A14: English Opening: 1...e6 with b3 by White} (9... dxc4 10. bxc4 Nc6 11. Qe2 Rc8 12. Rfd1 Qc7 13. Ne1 Rfd8 14. f4 a6 15. g4 Ne8 16. Rab1 Nd6 17. Ba1 Na5 18. d3 Bc6 19. Qb2 Bf6 20. g5 Bxc3 21. Qxc3 {1-0 (52) Mamedov,R (2703)-Kovalev,V (2683) St Petersburg 2018}) 10. Qe2 Rd8 {The position is equal.} 11. cxd5 Nxd5 12. Rfd1 Nc6 13. d4 Nxc3 $146 ({Predecessor:} 13... Ba6 14. Nb5 Bf6 15. Rac1 Qd7 16. a4 Ndb4 17. dxc5 {1-0 (46) Patrascu,C (2227)-Haria,R (2398) Montevideo 2017}) 14. Bxc3 cxd4 15. Bxd4 Nxd4 16. Nxd4 Bxg2 17. Kxg2 Qb7+ 18. Qf3 Qxf3+ 19. Kxf3 Rac8 20. Rac1 Kf8 21. Nb5 a6 22. Rxd8+ Rxd8 $11 {[%mdl 4096] Endgame KRB-KRN} 23. Nc7 a5 24. Rc6 Rd6 25. Rxd6 Bxd6 {KB-KN} 26. Nb5 Ke7 27. Ke4 Kd7 28. Kd4 Kc6 29. Na7+ Kb7 30. Nb5 Kc6 31. a4 g6 32. Kc4 Bc5 33. Nc3 f5 34. Nd1 Ba3 35. h3 Bd6 36. Kd3 {Accuracy: White = 71%, Black = 76%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.13"]
[Round "7.1"]
[White "Navara, David"]
[Black "Laznicka, Viktor"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2739"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,77,19,16,20,13,18,24,6,24,19,27,14,18,23,0,0,0,-7,-12,34,26,68,52,61,83,190,49,43,0,0,0,0,0,69,78,121,135,131,58,93,102,113,112,99,83,503,535,522,524,925,515,504,489,529,501,431,504,506,494,557,539,546,552,545,538,511,510]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 d6 7. Qe2 Nge7 {C45: Scotch Game} 8. Be3 O-O 9. O-O-O f5 {White has an edge.} 10. f4 fxe4 11. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Bxe3+ 12. Qxe3 Nf5 13. Bc4+ Kh8 $1 14. Qe2 {[#]} ({Reject} 14. Qxe4 Re8 $17) 14... e3 $146 15. Rhf1 Re8 (15... a5 $5 {[%cal Ra5a4]} 16. g4 a4 17. gxf5 axb3 18. Bxb3 Bxf5 19. Qxe3 Na5 $15) 16. g4 {[%mdl 1024] White has compensation.} Nh4 17. h3 a5 {[#]} 18. Nc5 $1 {[%mdl 512]} a4 (18... Nb4 $16) (18... dxc5 19. Rxd8) 19. a3 (19. N5e4 $18) 19... Na5 $1 $14 {[%cal Ra5c4]} 20. Bf7 Re7 21. Ba2 b6 22. Nd3 Ba6 (22... c6 $1 $11) 23. f5 $1 Qd7 24. f6 $36 {[%mdl 2048] White is in control.} gxf6 25. Nd5 (25. Rxf6 $16 Ng6 26. Qf3) 25... Re5 26. Nxe5 fxe5 27. c4 Ng6 28. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Nxc4 $2 {[%mdl 8192]} ({Don't go for} 28... Nxh4 $2 29. Rh1 $18) (28... Nb3+ $16 29. Bxb3 axb3) 29. Bxc4 $18 {White is clearly winning.} Qc6 30. Nxe3 b5 31. h5 Nf4 32. Qc2 {Threatens to win with Qf5.} Qc5 33. Nd5 {aiming for Rxf4.} Qxc4 34. Qxc4 bxc4 35. Nxc7 {[%mdl 64] [#] Discovered Attack} Ra7 36. Rxd6 Rxc7 37. h6 {[%cal Rd6d8]} Kg8 {...Bc8 is the strong threat.} 38. Rxa6 c3 39. Rxa4 {Accuracy: White = 64%, Black = 52%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.13"]
[Round "7.2"]
[White "Gelfand, Boris"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2655"]
[BlackElo "2738"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,41,34,18,44,16,26,6,11,21,34,27,34,25,25,28,31,39,34,37,31,31,39,37,35,35,32,29,28,27,22,27,35,38,34,0,6,9,51,43,81,77,95,81,88,88,94,87,112,87,113,66,66,62,71,73,75,72,67,66,68,70,68,83,81,26,26,26,23,37,30,23,23,23,23,23,23,23,23,0,16,0,24,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c6 3. Nf3 b5 (3... d5 4. Qc2 dxc4 5. Qxc4 Bg4 6. Nbd2 Nbd7 7. g3 e6 8. Bg2 Bd6 9. Qb3 Nb6 10. O-O O-O 11. Re1 a5 12. e4 a4 13. Qc3 Re8 14. a3 {1-0 (64) Yu,Y (2764)-Kovalenko,I (2657) St Petersburg 2018}) 4. c5 d6 5. cxd6 exd6 {LiveBook: 5 Games} 6. Bf4 $146 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} ({Predecessor:} 6. Nbd2 g6 7. a4 b4 8. e4 Bg7 9. Be2 O-O 10. O-O Re8 11. e5 {½-½ (26) Pashikian,A (2578)-Gabuzyan,H (2571) Yerevan 2018}) 6... Nh5 7. Bg5 (7. Bd2 {feels hotter.} d5 8. Qc2 Bb7 9. Bg5 f6 10. Bh4) 7... Be7 8. Bxe7 {White has an edge.} Qxe7 9. e3 O-O 10. Be2 Nf6 11. O-O Bb7 12. Nbd2 Nbd7 13. Re1 a6 14. a4 Nb6 15. axb5 cxb5 16. Bd3 Ne4 17. Nxe4 Bxe4 18. Bxe4 Qxe4 19. Qb3 Qd5 20. Qb4 Rfc8 21. e4 Qc6 22. b3 Nd7 23. h3 Nf6 24. d5 Qb6 25. Qd4 $36 {[%mdl 2048] White is in control.} Qd8 26. Qd3 Nd7 27. Nd4 Qf6 28. Qd2 g6 29. f4 Re8 30. Re2 a5 31. Rf1 a4 32. Nxb5 {Black must now prevent Nc7.} Reb8 33. bxa4 Rxa4 34. Nc3 Qd4+ $1 35. Qxd4 Rxd4 36. e5 Rd3 {[#]} 37. Rf3 (37. e6 $1 $16 {[%cal Re6d7]} Nb6 38. Rf3 Rxf3 39. gxf3) 37... Rxf3 $11 38. gxf3 {[%mdl 4096] Endgame KRN-KRN} Kf8 39. exd6 Rb6 40. Ne4 {Hoping for Rc2.} f5 41. Ng5 Rxd6 42. Nxh7+ Kf7 43. Ng5+ Kf6 44. Nh7+ Kf7 45. Ng5+ (45. Kf2 {keeps more tension.} Nb6 46. Ra2 Kg8 47. Ra7 Nxd5 48. Kg3) 45... Kf6 46. Re6+ (46. Ra2 {is interesting.} Ke7 47. Kf2 Nb6 48. Ra7+ Nd7 49. Rb7) 46... Rxe6 {The position is equal.} 47. Nxe6 Ke7 48. Nd4 Kd6 49. Nc6 Nf8 50. Kf2 Kxd5 51. Ne5 Ke6 {Precision: White = 67%, Black = 73%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.13"]
[Round "7.3"]
[White "Harikrishna, Pentala"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2730"]
[BlackElo "2711"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,24,57,33,28,10,22,0,21,29,39,12,25,28,27,28,20,27,24,34,44,39,41,56,53,4,13,10,10,7,11,11,27,9,10,4,4,0,0,0,0,0,0,-2,10,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O d5 7. exd5 Nxd5 8. Re1 Bg4 9. h3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (9. Nbd2 Nb6 10. h3 Bh5 11. Bb3 Kh8 12. Ne4 Bd6 13. g4 Bg6 14. d4 exd4 15. Nxd4 Nxd4 16. Qxd4 Be7 {1-0 (48) Giri,A (2783)-Inarkiev,E (2693) St Petersburg 2018}) 9... Bh5 10. a4 a5 11. Nbd2 Nb6 12. Bb5 Bd6 13. Ne4 Na7 14. d4 exd4 15. Nxd6 Qxd6 16. Qxd4 Nxb5 17. axb5 Qxd4 18. Nxd4 {[#]} Bg6 $146 19. Bf4 Rfc8 20. b3 c5 21. bxc6 bxc6 22. c4 a4 23. bxa4 {aiming for a5.} c5 24. Nb5 {[#] And now a5 would win.} Rxa4 {The position is equal.} 25. Nd6 Rd8 26. Rac1 f6 27. Re7 Nc8 28. Nxc8 Rxc8 29. g4 Rca8 30. Kg2 Ra1 31. Rxa1 Rxa1 32. Be3 {Accuracy: White = 67%, Black = 73%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.13"]
[Round "7.4"]
[White "Shankland, Samuel"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "C88"]
[WhiteElo "2731"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,25,23,25,18,17,21,22,20,16,22,20,31,24,30,29,34,9,31,0,0,0,9,-12,0,-31,-19,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 Bb7 9. d3 d6 10. a3 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5][%mdl 32]} 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3,Bg3f5][%mdl 32] C88: Closed Ruy Lopez: Anti-Marshall Systems} Nbd7 12. Nf1 Nc5 13. Ba2 Ne6 14. Ng3 Re8 15. Ng5 Bc8 16. Qf3 h6 17. Nxe6 $1 Bxe6 18. Nf5 Bf8 {[#]} 19. g4 $146 ({Predecessor:} 19. Bxe6 fxe6 {½-½ (60) Anand,V (2782)-Kramnik,V (2770) Dortmund 2004}) 19... Bxa2 20. Rxa2 Re6 21. c3 d5 22. b3 Qd7 23. exd5 {The position is equal.} Qxd5 24. Qxd5 Nxd5 25. c4 Nf4 26. Bxf4 exf4 27. Rxe6 fxe6 $11 {[%mdl 4096] Endgame KRB-KRN} 28. Nd4 Rd8 29. Nxe6 Rxd3 {[%mdl 64] [#] Double Attack} 30. cxb5 axb5 31. Nxf8 Kxf8 {KR-KR} 32. a4 Rxb3 33. a5 {[#] And now a6 would win.} Rd3 34. a6 Rd8 35. Rc2 Ra8 36. Rxc7 {Threatens to win with a7.} Rxa6 37. Rb7 Ra1+ 38. Kg2 Rb1 39. h4 Rb3 40. h5 b4 41. Kh2 Rb2 {Accuracy: White = 79%, Black = 58%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.13"]
[Round "7.5"]
[White "Vitiugov, Nikita"]
[Black "Duda, Jan-Krzysztof"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2726"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,82,21,12,30,24,39,35,27,25,35,8,28,38,73,64,63,0,33,12,41,37,71,70,150,49,56,50,51,47,53,34,235,216,279,279,279,276,273,274,260,253,404,397,580,580,571,568,539,470,408,422,1774,1786,976,875,854,842,820,786,29994,29995,29995,29996,29996,29997,29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 g6 7. Be2 Bg7 8. Be3 Nc6 9. O-O O-O 10. Qd2 Nxd4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 11. Bxd4 Be6 12. a5 Rc8 {White is slightly better.} 13. Ra4 $146 ({Predecessor:} 13. Rfd1 Qc7 14. h3 Rfe8 15. Ra3 Nd7 16. Bxg7 Kxg7 17. Qd4+ Kg8 18. Rd2 {0-1 (85) Adams,M (2715)-Nepomniachtchi,I (2729) London 2017}) 13... Rc6 14. f4 Qd7 {[#] aiming for ...Rxc3!} (14... Bd7 $5 {[%cal Rc6c3]} 15. Ra3 e5 $11) 15. Rb4 Rfc8 16. Bd3 Bc4 17. h3 (17. f5 $14) 17... Bxd3 18. Qxd3 e5 19. Be3 {fxe5 is the strong threat.} exf4 20. Bxf4 Qc7 {[#]} (20... h6 $14) 21. Kh1 (21. Be3 $1 $16) 21... b5 $14 22. axb6 Rxb6 23. Rxb6 Qxb6 24. Bxd6 {Black must now prevent e5.} Qxb2 $2 (24... Ne8 $14 25. e5 Qxb2) 25. Nd5 $18 Rxc2 26. Ba3 {White threatens Ne7+ and mate.} ({But not} 26. Qxa6 $6 Ne8 $18) 26... Qb5 27. Nxf6+ Bxf6 28. Qxb5 axb5 29. Rxf6 {[%mdl 4096] Endgame KRB-KR} b4 (29... Re2 $142 30. Rb6 Rxe4 31. Rxb5 Kg7 32. Bb2+ Kf8) 30. Bxb4 Rc1+ (30... Rc4 $142 31. Rb6 Rxe4) 31. Kh2 Rc4 32. Rb6 Rxe4 33. Bc3 {Rb8+ would kill now.} Re8 34. Bf6 h6 (34... Kf8 $142 35. g4 Re4) 35. h4 Kh7 36. Rd6 Re4 37. g3 {Intending Rd8 and mate.} Re2+ 38. Kg1 {White wants to mate with Rd8.} Re3 39. Rd8 {[%csl Gf6][%cal Rd8h8] White mates.} g5 40. h5 {[%csl Gf6][%cal Rd8h8]} Rxg3+ 41. Kf2 {[%csl Gf6][%cal Rd8h8]} g4 42. Rh8# {Accuracy: White = 74%, Black = 23%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.14"]
[Round "8.1"]
[White "Laznicka, Viktor"]
[Black "Gelfand, Boris"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2670"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,68,0,0,0,0,0,0,0,0,-2,0,-7,0,0,15,15,15,12,8,20,22,7,8,6,3,-28,-27,-28,-22,-41,-54,-120,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. e3 e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Bd3 {D40: Queen's Gambit Declined: Semi-Tarrasch with 5 e3} (9. Ba2 Bb7 10. Qe2 Qc7 11. Bd2 Rd8 12. dxc5 Bxc5 13. Rac1 Bd6 14. Bb1 Qb8 15. Ne4 Nxe4 16. Bxe4 Ne7 17. Bxb7 Qxb7 18. Ba5 {½-½ (67) Gelfand,B (2673)-Svidler,P (2737) St Petersburg 2018}) 9... cxd4 10. exd4 Be7 11. Bg5 Bb7 12. Re1 O-O 13. Qd2 Na5 $146 {[#] And now ...Bxf3 would win.} ({Predecessor:} 13... g6 14. Bc2 Na5 15. Ne5 Nd5 16. Bxe7 Nxe7 17. Qh6 Nf5 18. Bxf5 exf5 19. d5 Qd6 20. Re3 {1-0 (30) Manolache,M (2521)-Soltanici,R (2421) Bucharest 2008}) 14. Qf4 Nh5 15. Qh4 Bxg5 16. Nxg5 g6 17. g4 $1 {[%cal Rg4h5]} h6 ({Don't blunder} 17... Qxd4 $2 18. Be4 $18) 18. gxh5 {Black must now prevent Nce4.} Qxg5+ 19. Qxg5 hxg5 20. d5 exd5 21. hxg6 Rae8 22. gxf7+ Kxf7 23. Rad1 (23. Be2 $15 Kf6 24. Rad1) 23... Nc4 ({Better is} 23... Rxe1+ $17 24. Rxe1 Nc4) 24. Rxe8 $1 $11 {The position is equal.} Rxe8 25. Bxc4 $1 dxc4 {[%mdl 4096] Endgame KRB-KRN} 26. Rd7+ Re7 27. Rxe7+ Kxe7 {KB-KN} 28. Kf1 Kd6 29. Ke2 Kc5 30. Ke3 a5 {[%cal Ba6a5,Ba5b4][%mdl 32]} 31. f4 gxf4+ 32. Kxf4 b4 33. axb4+ axb4 34. Ne2 Bc6 {Accuracy: White = 74%, Black = 54%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.14"]
[Round "8.2"]
[White "Harikrishna, Pentala"]
[Black "Navara, David"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2730"]
[BlackElo "2739"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,19,14,9,16,16,14,23,18,0,7,0,0,0,0,-7,0,-17,-25,-22,-22,-26,-45,-45,-43,-32,-36,-35,-12,-42,-33,-39,-32,-39,-15,-25,0,0,0,0,0,0,8,8,22,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bc1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Nf6 {LiveBook: 49 Games} 9. Bd3 e5 10. Nde2 Nbd7 $146 ({Predecessor:} 10... Be7 11. O-O O-O 12. Ng3 Nbd7 13. a4 Nc5 14. Be2 Be6 15. Bf3 Rc8 {½-½ (66) Grischuk,A (2750)-Vachier Lagrave,M (2795) Moscow 2017}) 11. Ng3 Nc5 12. Be2 g6 13. Be3 h5 14. Bxc5 dxc5 15. Qxd8+ Kxd8 16. Nf1 Bh6 17. Rd1+ Ke7 18. Bc4 b5 19. Nd5+ Nxd5 20. Bxd5 Rb8 21. Ke2 Rd8 22. Nd2 c4 23. Nf3 Kf6 24. h3 a5 25. Bc6 Ba6 (25... Rxd1 {is more complex.} 26. Rxd1 Rb6 27. Bd5 Rd6 28. Ne1 Be6) 26. Rxd8 {The position is equal.} Rxd8 27. Rd1 Rxd1 28. Kxd1 $11 {[%mdl 4096] Endgame KBB-KBN} b4 29. c3 b3 30. a3 Bc8 31. Nd2 Be6 32. h4 Bxd2 (32... Ke7 {keeps more tension.} 33. Bb5 Bxd2 34. Kxd2 f6 35. g3 g5) 33. Kxd2 {KB-KB} g5 34. g3 gxh4 35. gxh4 Ke7 36. Ke3 Bd7 37. Bb7 Be6 38. Ba6 f6 39. Bb5 Bf7 40. Ba6 Kd7 41. f4 Be6 42. Bb5+ Ke7 43. Bc6 {Precision: White = 66%, Black = 72%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.14"]
[Round "8.3"]
[White "Rapport, Richard"]
[Black "Shankland, Samuel"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2738"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,96,26,24,22,28,42,42,37,42,38,44,54,37,45,-7,16,20,21,13,11,0,14,-68,-57,-168,0,0,-12,-243,-256,-249,0,0,0,0,228,256,249,255,264,257,225,237,212,202,258,239,379,184,191,186,178,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. d3 Nc6 3. g3 g6 4. Bg2 Bg7 5. f4 e6 6. Nf3 Nge7 7. O-O d6 8. c3 O-O 9. Be3 b6 10. d4 d5 {B20: Sicilian: Unusual White 2nd moves} (10... Ba6 11. Re1 Rc8 12. Na3 Na5 13. Qd2 Qd7 14. Rad1 Rfd8 15. b3 cxd4 16. Bxd4 Qc7 17. Bxg7 Kxg7 18. c4 {0-1 (58) Amin,B (2643)-Leon Hoyos,M (2579) Istanbul 2012}) 11. e5 Nf5 12. Bf2 cxd4 {White is slightly better.} 13. cxd4 Ba6 14. Re1 Qd7 15. Qd2 $146 ({Predecessor:} 15. Nc3 Nb4 16. Bf1 Bxf1 17. Rxf1 Rfc8 18. g4 {½-½ (42) Smithers,S (2444)-Berecz,A ICCE-26 vs ICCF-1 1997}) 15... Rac8 16. Na3 (16. g4 $14 Nfe7 17. Na3) 16... Rc7 17. g4 Nfe7 18. Nc2 Rfc8 19. Ne3 Bh6 20. Bh4 (20. Bg3 $11) 20... Bxf4 $15 21. Ng5 {[#]} (21. Bf1 $15 Bxf1 22. Rxf1) 21... Nxe5 $1 {[%mdl 512]} 22. dxe5 $11 d4 (22... Bxe5 $6 23. Rad1 $14) 23. Ne4 $2 (23. Qf2 $1 $11 {and White stays safe.} Bxe3 24. Rxe3) 23... Qa4 $1 $19 24. Rad1 Bxe3+ $2 (24... Nd5 $1 $19 25. b3 Bxe3+ 26. Qxe3 Nxe3 27. bxa4 Nxd1 28. Rxd1 Rc1) 25. Rxe3 $11 dxe3 {[#]} 26. Qd8+ $1 {[%mdl 512]} Qe8 $2 (26... Rxd8 $11 27. Rxd8+ Kg7 28. Bf6+ Kh6 29. Bg5+ {[%mdl 64] Double Attack} Kg7 30. Bf6+ Kh6 31. Bg5+ {[%mdl 64] Double Attack} Kg7 32. Bf6+) 27. Nf6+ $18 Kf8 28. Bg5 $1 {[%cal Rg5h6]} Ng8 29. Qd6+ ({Weaker is} 29. Qxe8+ Rxe8 30. Nxe8 e2 $19) ({But not} 29. Nxe8 $6 Rxd8 30. Rxd8 (30. Bxd8 Rc8 $17) 30... Rc1+ 31. Bf1 Rxf1+ 32. Kg2 Rf2+ 33. Kg3 Rd2 $1 $16 {[%mdl 512]}) 29... Qe7 {Hoping for ...Qxd6.} 30. Nxh7+ Kg7 31. Bxe7 Nxe7 {[#]} 32. Ng5 $1 Be2 (32... e2 $142 33. Re1 Rc1) 33. Bf1 (33. Re1 $142 Rc1 34. h3 (34. Qb4 $2 a5 $19) 34... Rxe1+ 35. Kh2) 33... Bxg4 {aiming for ...Nf5.} 34. Re1 Nd5 {[#]} 35. Kg2 $2 (35. h4 $1 $18) 35... Rc1 $11 {The position is equal.} 36. Rxc1 Rxc1 37. Ba6 {Threatens to win with Qd7.} e2 38. Bxe2 $1 Bxe2 39. Qd7 {[%mdl 64] Double Attack} Rf1 $1 40. Nxe6+ Kh6 {( -> ...Ne3+)} 41. Qxd5 Bf3+ 42. Qxf3 $1 Rxf3 43. Kxf3 fxe6 {KP-KP} 44. Kg4 $1 g5 45. h4 gxh4 46. Kxh4 Kg6 47. Kg4 a5 48. a4 Kh6 $1 {Accuracy: White = 48%, Black = 62%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.14"]
[Round "8.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Duda, Jan-Krzysztof"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2711"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,12,58,54,43,48,55,31,50,32,45,18,36,25,43,22,29,16,26,18,22,35,52,24,25,20,46,28,33,19,27,0,58,25,42,0,0,0,5,-6,0,0,16,9,14,3,15,12,91,45,76,25,22,23,20,20,25,0,0,0,0,0,0,0,0,-4,-4,-4,-7,-8,-4,-4,-4,-4,-4,-5,-6,-8,0,0,0,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,0,0,8,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nf6 5. Be2 (5. Bb5+ Bd7 6. c4 g6 7. Nc3 Bg7 8. O-O O-O 9. Qd3 a6 10. Bxd7 Nbxd7 11. Qe2 Rc8 12. Bd2 Ng4 {½-½ (87) Alekseev,E (2639)-Nepomniachtchi,I (2763) St Petersburg 2018}) 5... e6 6. c4 $146 {B53: Sicilian: 2...d6: Lines with Qxd4} ({Predecessor:} 6. O-O Be7 7. Bb5+ Nc6 8. Qd3 O-O 9. c4 Qc7 10. a3 a6 11. Ba4 {0-1 (75) Herzog,R-Jastroch,B (1801) Mainz Laubenheim 2002}) 6... Be7 7. O-O b6 8. Nc3 {White is slightly better.} Bb7 9. Rd1 O-O 10. b3 Nbd7 11. Bb2 a6 12. h3 Qc7 13. Rac1 Rad8 14. b4 Ba8 15. a3 Qb7 16. Bf1 h6 17. Re1 Rfe8 18. Qe3 Qb8 19. Nd4 Rc8 20. f4 Bf8 (20... Bd8 $11) 21. Nf3 a5 22. Kh1 Nh5 23. Bd3 axb4 24. axb4 d5 25. cxd5 Qxf4 26. Qxf4 Nxf4 27. Bb5 Red8 28. Na4 Bb7 (28... Rxc1 $11 {remains equal.} 29. Bxc1 (29. Rxc1 exd5 30. e5 d4 $15) 29... Ng6) 29. Bxd7 Rxc1 $1 30. Rxc1 (30. Bxc1 $16 Nd3 31. Re3 (31. Nxb6 Nxe1 32. Nxe1 exd5 $14) 31... Nxc1 32. dxe6) 30... Rxd7 $11 31. Ne5 Rd8 32. Rc7 Ba6 $1 33. Rxf7 Nd3 {[#] aiming for ...Nxe5.The position is equal.} 34. dxe6 {Threatens to win with e7.} Nxb2 35. Nxb2 {e7 is the strong threat.} Re8 36. Ra7 Bb5 37. Nd7 (37. Ned3 {seems wilder.} g5 38. Rb7 Rxe6 39. Rb8 Kf7 40. Kg1) 37... Bxb4 38. Nxb6 Rxe6 {[%mdl 64] [#] Double Attack} 39. N6c4 Bxc4 40. Nxc4 Rxe4 {[%mdl 4096] Endgame KRB-KRN} 41. Rc7 h5 42. g3 Re2 43. Rb7 Bc3 44. Rb3 Bf6 45. Re3 Rc2 46. Ne5 Kh7 47. Nf3 Kg6 48. Kg1 Kf5 49. Kf1 g5 50. Re2 Rxe2 51. Kxe2 g4 52. hxg4+ Kxg4 53. Kf2 h4 54. Nxh4 Bxh4 55. gxh4 Kxh4 {Accuracy: White = 59%, Black = 60%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.14"]
[Round "8.5"]
[White "Wojtaszek, Radoslaw"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2722"]
[BlackElo "2726"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,50,21,11,37,34,25,33,31,25,25,25,25,22,25,31,16,14,40,42,53,57,53,60,36,29,27,22,21,21,25,19,22,17,15,0,27,0,8]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bd7 6. Ne5 Bc6 7. Nxc6 Nxc6 8. e3 Bb4+ {E04: Open Catalan: 5 Nf3} (8... Qd7 9. O-O Rd8 10. Qa4 Nb4 11. Qxd7+ Rxd7 12. Na3 c5 13. dxc5 Bxc5 14. Nxc4 O-O 15. Ne5 Rc7 16. a3 {½-½ (36) Piorun,K (2634)-Popov,I (2592) St Petersburg 2018}) 9. Nd2 e5 $146 ({Predecessor:} 9... O-O 10. O-O c3 11. bxc3 Bxc3 12. Rb1 Rb8 13. Bxc6 bxc6 14. Ba3 Re8 15. Rxb8 Qxb8 16. Nc4 {½-½ (38) Markus,R (2251)-Owens,J (2113) ICCF email 2016}) 10. O-O {Threatens to win with dxe5.} Bxd2 {White is slightly better.} 11. Bxd2 exd4 12. Rc1 O-O 13. Rxc4 Nd5 14. exd4 Qd7 15. Bg5 h6 16. Rc5 Nce7 17. Bxe7 $1 Nxe7 18. Bxb7 Rab8 19. Bg2 Rxb2 20. Qc1 $36 {[%mdl 2048] White has good play.} Qxd4 21. Rxc7 Ng6 22. Rc4 Qb6 23. Rc6 Qd4 24. Rc4 Qb6 25. Rc6 Qd4 {Accuracy: White = 85%, Black = 80%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.15"]
[Round "9.1"]
[White "Shankland, Samuel"]
[Black "Laznicka, Viktor"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2731"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,72,18,37,18,26,19,16,0,6,2,20,15,27,16,16,17,22,9,26,14,16,12,20,16,16,16,11,14,17,10,16,12,15,2,5,5,6,0,0,0,0,2,6,0,0,0,0,0,0,0,0,0,5,3,3,12,27,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. b3 Nbd7 8. Bb2 Be7 9. Be2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} (9. Nbd2 O-O 10. Bd3 b6 11. Rc1 Bb7 12. dxc5 Nxc5 13. Bb1 Rc8 14. Qe2 Ncd7 15. e4 Rxc1 16. Rxc1 Qb8 {½-½ (27) Zhak,B (2597)-Fagerstrom,B (2586) ICCF email 2015}) 9... b6 10. dxc5 $146 ({Predecessor:} 10. Ne5 Nxe5 11. dxe5 Nd5 12. Nd2 O-O 13. Nc4 Bb7 14. Qd3 Qc7 15. Nd6 Bc6 16. Rad1 f5 {½-½ (32) Hildebrand,G (2323)-Prozorovskij,V (2347) ICCF email 2016}) 10... Bxc5 11. Nd4 {Threatening Bf3.} (11. Nbd2 {looks sharper.} Bb7 12. Rc1 O-O 13. Nc4 Be7 14. Qd2) 11... Bb7 12. Bf3 Bxf3 13. Qxf3 O-O 14. Rd1 Ne5 15. Qe2 {[#] And now Nxe6! would win.} Qe7 16. Nd2 Rfc8 17. Rac1 Qe8 18. h3 h6 19. N4f3 Ned7 20. Ne5 Nxe5 21. Bxe5 Be7 22. Nc4 {[%cal Bd2c4,Bc4b2,Bb2d3][%mdl 32]} Rc6 23. Bxf6 gxf6 24. Nb2 Rxc1 25. Rxc1 Rc8 26. Rd1 b5 27. Nd3 Qc6 28. Rc1 (28. Qg4+ {seems wilder.} Kh7 29. g3 Rd8 30. Qh5 Kg8 31. Rc1) 28... Qb7 29. Rxc8+ Qxc8 30. e4 Qc3 31. g3 Kf8 32. Kg2 Bd6 33. Kf3 f5 34. exf5 exf5 35. Kg2 Qc6+ 36. f3 (36. Qf3 $5 {[%cal Rf3c6]} Qc8 37. Nf4 $11) 36... Qc3 {Accuracy: White = 71%, Black = 78%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.15"]
[Round "9.2"]
[White "Gelfand, Boris"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2655"]
[BlackElo "2730"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,47,0,0,9,-8,0,-6,0,-7,62,70,93,92,73,74,103,100,96,93,97,95,152,139,130,129,325,325,583,564]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Be4 11. Qc1 c6 {E05: Open Catalan: 5 Nf3 Be7} (11... Bb7 12. Rd1 Qc8 13. Ba5 c5 14. dxc5 Bxc5 15. Nbd2 Nbd7 16. Nb3 Ba7 17. Qf4 Nb6 18. Bxb6 Bxb6 19. Rac1 Qe8 20. Ne5 Bxg2 21. Kxg2 {½-½ (75) Ding,L (2813)-Radjabov,T (2757) Wijk aan Zee 2019}) 12. Rd1 Nbd7 13. Nc3 Bg6 {The position is equal.} 14. a3 c5 ({Better is} 14... Rc8 $11) 15. Be3 $14 {[#] dxc5 is the strong threat.} Rc8 $146 ({Predecessor:} 15... Qc7 16. Ne5 cxd4 17. Nxg6 hxg6 18. Bxa8 dxe3 19. Nd5 exf2+ {1-0 (80) Hou,Y (2652)-Hammer,J (2621) Moscow 2017}) 16. dxc5 Bxc5 17. Ne5 $1 Qc7 {aiming for ...Bxe3.} 18. Nc6 Rfe8 19. Bxc5 Nxc5 {[#]} 20. Qe3 $1 {[%cal Re3c5]} Nb7 (20... Nce4 $142) 21. Nb4 $16 Nc5 22. Bc6 Nfd7 $2 (22... Qe7 $16 23. Bxe8 Qxe8) 23. Rac1 $18 Qd8 $2 {[#]} (23... Rcd8 24. Bxd7 Rxd7) 24. Nxb5 {Accuracy: White = 78%, Black = 44%.} 1-0

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.15"]
[Round "9.3"]
[White "Navara, David"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2739"]
[BlackElo "2711"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,114,4,10,14,9,10,0,14,7,0,0,13,0,10,4,12,7,8,0,0,0,5,0,30,22,19,27,18,0,10,0,0,0,0,0,2,0,0,-120,-110,-120,-120,-120,-120,-120,-120,-120,-120,-124,-102,-128,-128,-128,-108,-128,-128,-128,-128,-128,0,-128,-128,-128,-128,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-164,-150,-164,-150,-164,-164,-164,-150,-164,-150,-235,-239,-307,-300,-432,-426,-426,-412,-414,-347,-372,-370,-352,-337,-298,-307]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 c5 6. dxc5 Na6 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 7. a3 Bxc3+ 8. Qxc3 {With the idea b4.} Nxc5 {The position is equal.} 9. cxd5 Qxd5 10. Be3 Nce4 11. Qb4 (11. Qe5 Qxe5 12. Nxe5 Nd5 13. Bc1 Bd7 14. f3 {½-½ (34) Nisipeanu,L (2672)-Wojtaszek,R (2733) Dortmund 2018}) 11... a5 12. Qd4 O-O 13. Ne5 a4 $132 {[%mdl 2048] [#] Strongly threatening ...Qa5+. Black is not keeping still} 14. Nd3 $146 ({Predecessor:} 14. f3) 14... Rd8 15. Qxd5 Nxd5 16. Bc1 b5 17. f3 Nd6 {[%cal Be4d6,Bd6c4,Bc4e3][%mdl 32]} 18. e4 Nb6 19. Bd2 Ndc4 20. Bc3 Ne3 21. Ke2 Nbc4 22. Ne5 Ba6 23. Nxc4 Nxc4 24. Rc1 {[#]} (24. Kf2 $11 {keeps the balance.}) 24... b4 $1 $17 {[%cal Rb4c3][%mdl 512]} 25. Bxb4 (25. axb4 Nd2+) 25... Nd2+ $1 26. Ke3 Nxf1+ 27. Rhxf1 Bxf1 28. Rxf1 {[%mdl 4096] Endgame KRR-KRB} Rac8 29. Bc3 f6 30. h3 Kf7 31. Rg1 Rd7 32. Ke2 Kg6 33. Ke3 Kg5 34. Rc1 {next Bxf6+! is good for White.} Kg6 (34... Kh5 $17 35. g4+ Kg6) 35. Kf2 (35. Rg1 $1 $11 {was the only way to keep the balance.}) 35... h5 36. Kg3 Rd3 37. Kf2 h4 38. Ke2 Rd7 39. Ke3 Kh5 40. Rf1 Rcd8 41. Ke2 Rb8 42. Rc1 Rb3 43. Rf1 Kg5 44. Ke3 Rb6 45. Rc1 Rbd6 46. Ke2 Rd3 47. Be1 Rb3 48. Rc2 e5 49. Bc3 Kg6 50. Ke3 {[#]} (50. Bb4 $17) 50... Rd1 $1 $19 51. f4 Re1+ 52. Kd2 (52. Kf2 {was worth a try.} Rxe4 53. fxe5) 52... Rxe4 53. fxe5 fxe5 54. Kd3 Rd4+ 55. Ke3 Kf5 56. Rf2+ Rf4 57. Rd2 Rc4 {Accuracy: White = 54%, Black = 70%.} 0-1

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.15"]
[Round "9.4"]
[White "Duda, Jan-Krzysztof"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2731"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,48,0,0,0,0,0,-8,-8,13,12,23,6,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. cxd5 exd5 6. Qa4+ Nc6 7. Bg5 h6 8. Bxf6 Qxf6 9. e3 O-O 10. Rc1 Qg6 11. Qd1 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} Ne7 (11... Be6 12. h3 a6 13. Bd3 Qf6 14. O-O Rfd8 15. Na4 Bd6 16. Nc5 Bc8 17. Kh1 Ne7 18. e4 Bxc5 {1-0 (35) Bologan,V (2640)-Fressinet,L (2672) Doha 2016}) 12. Ne5 $146 ({Predecessor:} 12. a3 Bxc3+ 13. Rxc3 c6 14. Ne5 Qd6 15. Be2 Bf5 16. O-O Nc8 17. a4 Qe7 18. Bd3 Bxd3 19. Qxd3 {½-½ (29) Pravec,L (2374)-Adams,J (2329) ICCF email 2016}) 12... Qf6 13. Nd3 Ba5 14. b4 Bb6 15. Be2 c6 16. O-O a6 {The position is equal.} 17. a4 {[%cal Ba2a4,Ba4b5][%mdl 32]} Bc7 18. g3 Bd6 19. b5 axb5 20. axb5 Ra3 21. Nb1 Ra2 22. Nc3 Ra3 23. Nb1 Ra2 24. Nc3 Ra3 {Accuracy: White = 97%, Black = 82%.} 1/2-1/2

[Event "Prague Festival Masters 2019"]
[Site "Prague"]
[Date "2019.03.15"]
[Round "9.5"]
[White "Vitiugov, Nikita"]
[Black "Rapport, Richard"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2726"]
[BlackElo "2738"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.03.06"]
[EventType "tourn"]
[EventCountry "CZE"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,61,49,14,16,19,21,27,25,12,30,27,24,8,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. c3 e6 4. d4 d5 5. exd5 exd5 6. Bb5 Bd6 7. dxc5 Bxc5 8. O-O Nge7 9. Nbd2 O-O 10. Nb3 Bb6 11. Re1 Bg4 12. Be3 Bxe3 {C09: French Tarrasch: 3...c5 4 exd5 exd5 5 Ngf3 Nc6} (12... Re8 13. h3 Bh5 14. Bxb6 Qxb6 15. Bxc6 Bxf3 16. Qxf3 bxc6 17. Re2 Ng6 18. Rae1 Rxe2 19. Rxe2 Rd8 20. Nd4 c5 {½-½ (36) Howell,D (2633)-Short,N (2698) London 2011}) 13. Rxe3 Nf5 14. Re1 Nh4 15. Be2 Re8 16. Nxh4 {LiveBook: 3 Games} Bxe2 $146 ({Predecessor:} 16... Qxh4 17. Bxg4 Rxe1+ 18. Qxe1 Qxg4 19. h3 Qc4 20. Qe3 {½-½ (48) Van Oosterom,C (2358)-Bosboom,M (2440) Netherlands 2008}) 17. Rxe2 Qxh4 18. Rd2 Rad8 19. Nd4 g6 20. g3 Qf6 21. Kg2 h5 {The position is equal.} 22. Qf3 Qg5 23. Nxc6 (23. Qd3 {looks sharper.} Nxd4 24. Qxd4 Re4 25. Qd3 h4 26. Rad1) 23... Qxd2 24. Nxd8 Rxd8 25. Rd1 Qxb2 26. Rxd5 Rxd5 27. Qxd5 Qxc3 28. Qxb7 $11 {KQ-KQ} Qd4 29. h4 Kg7 30. Qa6 Qe4+ 31. Kg1 {Precision: White = 76%, Black = 85%.} 1/2-1/2

