[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Gupta, Abhijeet"]
[Black "S M Sharon"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2619"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,73,45,52,59,68,109,118,137,142,129,145,145,146,124,86,354,252,239,232,858,853,818,733,735,675,656,667,665,618,567,339,359,332,318,260,256,263,262,254,256,260,799,764,752,736,1254,1252,1745,1554,29989,1275,29997,29998]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge2 c5 7. d5 e6 8. Ng3 a6 9. a4 exd5 10. cxd5 Nbd7 11. Be2 Ne5 {A65: Modern Benoni: 6 e4} (11... Ne8 12. O-O Rb8 13. f4 Nc7 14. e5 dxe5 15. f5 b5 16. d6 Ne8 17. axb5 axb5 18. Nce4 c4 19. Bg5 {½-½ (28) Aronian,L (2780)-Nepomniachtchi,I (2767) Wijk aan Zee 2017}) 12. O-O {LiveBook: 4 Games} h5 13. Bg5 Rb8 $146 {White is slightly better.} ({Predecessor:} 13... Qc7 14. Bd2 Nh7 15. Be3 h4 {½-½ (27) Spassov,L (2383)-Orev,P (2241) Borovec 2002}) 14. f4 Neg4 {Black wants to play ...Ne3.} 15. e5 dxe5 16. fxe5 Nxe5 17. Nce4 $36 {[%mdl 2048] White is on the roll.} Ned7 18. Qc1 {Ra3 is the strong threat.} Qe8 $2 {[%mdl 8192]} (18... b5 $16 {was worth a try.}) 19. Rxf6 ({Don't take} 19. Nxf6+ Nxf6 20. Rxf6 (20. Bxf6 Bxf6 21. Rxf6 h4 $16) 20... Qe5 $18) 19... Qe5 20. Rf2 Qxd5 $2 (20... Qxb2 21. Nf6+ Bxf6 22. Bxf6 Qxc1+ 23. Rxc1 Nxf6) 21. Bc4 $18 Qd4 22. Be3 Qe5 23. Bf4 Qd4 24. Ng5 Ne5 25. Bxe5 Bxe5 26. Nf3 Qf4 27. Qc2 {And now Qxg6+ would win.} Bg7 28. Raf1 b5 29. axb5 axb5 30. Bd5 Qd6 31. Rd1 {[%cal Bf1d1,Bd1d8,Bd8h8][%mdl 32]} Qb6 $2 (31... Be6) 32. Ng5 c4 33. Bxf7+ Rxf7 34. Nxf7 h4 35. Rd8+ Kh7 36. Qd2 (36. Ng5+ $142 Kh6 {[#]} 37. Qe4 $1 {[%mdl 512]} Bg4 38. Qxg4 Qxf2+ 39. Kxf2 Bd4+ 40. Kf3 Rxd8 41. Qxh4+ Kg7 42. Qh7+ Kf6 43. Qf7+ Kxg5 44. Qf4#) 36... hxg3 {[#]} 37. Rh8+ $1 {[%mdl 512] Precision: White = 84%, Black = 34%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Amonatov, Farrukh"]
[Black "Krishnater Kushager"]
[Result "1/2-1/2"]
[ECO "C73"]
[WhiteElo "2608"]
[BlackElo "2195"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,63,-7,0,-20,-5,-26,0,-33,-30,-33,-17,-29,-8,-28,-37,-87,-58,-168,-174,-177,-174,-229,-223,-236,-237,-236,-226,-204,-202,-190,-214,-237,-218,-238,-206,-200,0,-211,0,-204,0,-216,0,-200,0,-206]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 {[%cal Bb7c6,Bc6c5][%mdl 32]} 6. d4 exd4 7. Nxd4 c5 8. Ne2 Nf6 9. Nbc3 {C73: Ruy Lopez: Deferred Steinitz: 5 Bxc6+} (9. O-O g6 10. Nbc3 Bg7 11. Ng3 O-O 12. Bf4 Ng4 13. Qd2 Re8 14. Bg5 f6 15. Bf4 Be6 16. b3 Qd7 {½-½ (36) Breder,D (2463)-Ovsejevitsch,S (2588) Switzerland 2016}) 9... Bb7 10. Ng3 g6 {LiveBook: 4 Games} 11. Bf4 Bg7 12. Qd2 O-O 13. O-O-O Ng4 $146 ({Predecessor:} 13... Re8 14. f3 Qb8 15. Bh6 Bh8 16. h4 Nd7 {½-½ (46) Thipsay,P (2430)-Rodriguez,R (2415) Thessaloniki 1988}) 14. h4 h5 15. Bg5 Qb8 16. f3 Ne5 $1 {[%cal Re5c4] Strongly threatening ...Nc4.} 17. b3 Bc6 $36 {[%mdl 2048] And now ...Qb4 would win. Black is more active.} 18. Rdf1 ({White should try} 18. Nd5 $15) 18... Qb4 $1 $19 19. Nb1 a5 20. Bh6 {[#]} (20. a4 {keeps fighting.}) 20... Qxd2+ $1 21. Bxd2 a4 22. Bc3 axb3 23. axb3 Ra2 {Hoping for ...c4.} 24. f4 {[#]} Bh6 $1 25. Bd2 Ng4 26. Nc3 Ra3 27. Nb1 Ra2 28. Nc3 Ra3 29. Nb1 $1 {[%cal Rb1a3]} Ra2 30. Nc3 Ra3 31. Nb1 $1 {[%cal Rb1a3]} Ra2 32. Nc3 {Precision: White = 53%, Black = 74%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Rozum, Ivan"]
[Black "Ajay Karthikeyan"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2581"]
[BlackElo "2189"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,89,0,19,20,32,20,31,-18,-17,-23,72,66,56,49,65,66,67,58,77,64,66,63,93,87,108,109,131,127,152,160,176,175,211,164,330,329,323,319,327,330,330,328,325,316,308,252,252,252,252,252,252,256,252,254,261,258,247,247,284,247,350,350,345,346,346,346,387,387]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 d6 6. e4 c5 7. Nge2 Nc6 8. h3 a6 9. Be3 Bd7 10. a4 Rb8 11. O-O Ne8 {[%cal Bf6e8,Be8c7,Bc7e6][%mdl 32]} 12. d4 {[%cal Bd3d4,Bd4d5][%mdl 32] A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} b6 {LiveBook: 4 Games} 13. Kh2 Nc7 14. f4 {White is slightly better.} Na5 $146 ({Predecessor:} 14... e5 15. fxe5 cxd4 16. Nxd4 Nxd4 17. Bxd4 Ne6 18. Be3 Bxe5 19. Bh6 Ng7 {½-½ (32) Stephan,J (2553)-Zarnescu,M (2404) ICCF email 2011}) 15. Qd3 Ne6 16. Ra3 {[#]} Nc6 (16... Nxc4 $1 $11 {[%mdl 512] keeps the balance.} 17. Qxc4 b5 18. axb5 axb5) 17. d5 $1 $16 {[%csl LRc6,LRe6]} Nb4 18. Qd2 Nd4 19. Bxd4 cxd4 20. Na2 $1 {[%cal Ra2b4]} (20. Nxd4 $2 Bxd4 21. Qxd4 Nc2 $17) 20... Nxa2 21. Rxa2 Qc7 22. Rc1 Qa7 23. b3 Rfc8 24. Rd1 ({Reject} 24. Nxd4 $6 b5 $11) 24... Rc5 25. Nxd4 Rbc8 26. Nc2 Qb8 27. Nb4 Qb7 28. Qe3 b5 $2 {[#]} (28... Re8 29. e5 Qa7) 29. axb5 $18 axb5 30. Na6 bxc4 31. Nxc5 Rxc5 32. bxc4 Rxc4 33. Ra7 Qc8 34. Qb3 Rc7 35. Rxc7 Qxc7 36. Rb1 Bf6 37. Qb8+ Qxb8 38. Rxb8+ {[%mdl 4096] Endgame KRB-KB} Kg7 39. Bf1 Ba4 40. Bd3 Bc3 41. Rc8 Bd2 (41... Bf6 $142 42. Kg2 h5) 42. Ra8 Bb3 43. Ra3 Bd1 44. Ra1 Bb3 45. Be2 {Precision: White = 75%, Black = 32%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Sengupta, Deep"]
[Black "Bhambure, Shantanu"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2563"]
[BlackElo "2188"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,137,-7,0,0,-12,6,10,12,17,21,0,26,22,22,32,41,29,36,23,39,26,33,0,28,-53,24,18,18,0,2,-25,0,0,11,9,24,21,71,0,0,0,0,0,95,72,72,88,79,83,93,61,139,102,107,100,97,91,131,129,235,240,217,210,204,210,244,256,285,241,235,235,277,277,270,268,263,271,318,316,314,307,315,219,249,244,282,278,286,0,251,235,320,257,276,276,291,307,294,289,297,272,452,330,457,450,450,443,426,389,601,514,522,512,586,396,925,889,891,887,913,892]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. b3 Be7 5. Bb2 O-O 6. Be2 Nbd7 7. O-O {A13: English Opening: 1...e6} b6 8. d3 (8. cxd5 Nxd5 9. d4 Bb7 10. Nbd2 c5 11. Nc4 b5 12. Nce5 Nxe5 13. Nxe5 cxd4 14. Qxd4 f6 {1-0 (33) Kurajica,B (2525)-Pandurevic,M (2257) Sarajevo 2017}) 8... Bb7 9. Qc2 c5 10. Nbd2 {LiveBook: 3 Games} Rc8 11. Rac1 Qc7 12. Qb1 Qb8 13. Qa1 Bd6 14. h3 $146 ({Predecessor:} 14. cxd5 exd5 15. d4 Rfe8 {1-0 (51) Strache,M (2144)-Billing,C (2150) Kelheim 2007}) 14... Rfe8 15. cxd5 exd5 16. d4 a6 17. Rfd1 h6 18. Nh4 Bf8 19. Nf5 Re6 20. Bf3 Bc6 21. Ng3 (21. a4 $11) 21... Bd6 (21... Rxe3 $1 $15 22. fxe3 Qxg3) 22. Ndf1 a5 23. Ne2 a4 24. g3 axb3 25. axb3 Qb7 26. Nf4 Bxf4 (26... Ra8 $5 27. Qb1 $8 Ree8 $11) 27. exf4 c4 28. f5 (28. bxc4 $16 Ra8 29. cxd5 Bxd5 30. Bxd5 Nxd5 31. Qb1) 28... Ree8 $11 29. bxc4 dxc4 30. d5 $1 {[%cal Rd5c6]} Bb5 (30... Nxd5 $11 31. Rxc4 N5f6 32. Rxc6 Rxc6) 31. Bd4 Ra8 32. Qb2 $36 {[%mdl 2048] White is on the roll.} Ba4 33. Re1 Rxe1 34. Rxe1 Re8 ({Better is} 34... Qb8 $14) 35. Ra1 {[%cal Be1a1,Ba1a4,Ba4a8][%mdl 32]} Qa6 36. Ne3 b5 37. Qb4 Rc8 38. Bd1 {[%cal Rd1a4]} Ne4 (38... Ra8 $16 {is a better defense.} 39. Bc2 Kh7) 39. Bxa4 $18 bxa4 40. Rxa4 Qd6 {[#]} 41. Qb7 $1 {[%cal Rb7c8]} Rb8 {[#]} 42. Qc6 $1 c3 43. Qxd6 Nxd6 44. Bxc3 Rb5 45. Ra8+ Kh7 46. Rd8 Rb7 47. Kg2 h5 48. g4 hxg4 49. hxg4 f6 50. Ra8 Ne4 51. Ra3 Nd6 52. Ra6 Ne4 53. Ra3 Nd6 $1 54. Ba1 Kh6 55. Kf3 Kh7 56. Ra6 Nf7 57. Ke2 Nc5 58. Rc6 Ne4 59. Bd4 Kh6 $2 (59... Rb4) 60. Rb6 Rc7 61. f3 Ned6 62. f4 Kh7 63. Kd3 Ra7 (63... Nb7 $142 64. g5 fxg5) 64. Bc5 Rd7 65. Kd4 Nc8 66. Rc6 Ne7 $2 (66... Rd8 67. Nc4 Nh6) 67. Bxe7 {White is clearly winning.} Rxe7 68. d6 Rd7 69. Kd5 {Precision: White = 68%, Black = 34%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Nihal Sarin"]
[Black "Panda Sambit"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2551"]
[BlackElo "2181"]
[Annotator "TA"]
[PlyCount "195"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,195,32,34,28,33,40,31,31,20,21,13,6,8,11,16,15,31,0,29,22,22,-4,0,-13,0,0,-1,-1,-3,-4,14,10,14,8,27,0,7,0,0,0,0,0,12,12,12,12,12,12,22,22,22,22,22,7,18,7,7,7,13,13,13,13,18,18,18,18,18,18,18,18,18,18,22,22,22,18,18,18,18,18,18,18,22,22,22,18,29,29,29,29,29,29,29,29,29,18,29,29,29,0,29,18,18,0,29,29,29,22,29,29,29,29,29,18,29,18,29,18,29,18,29,29,29,29,29,13,13,13,13,13,14,0,14,0,0,0,14,8,8,5,8,8,8,8,8,8,8,8,8,0,114,83,85,93,83,83,90,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. h3 d6 7. a3 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} Na5 (7... Be6 8. Re1 a5 9. Nc3 Bxc4 10. dxc4 Nb8 11. c5 Nbd7 12. cxd6 Bxd6 13. Bg5 Be7 14. Re3 Re8 {1-0 (37) Areshchenko,A (2677)-Hracek,Z (2612) Minsk 2017}) 8. Ba2 c5 9. Nc3 {White is slightly better.} Nc6 10. Bg5 Be6 $146 ({Predecessor:} 10... Kh8 11. Bxf6 Bxf6 12. Nd5 g6 13. Nxf6 Qxf6 14. Qd2 Kg7 15. Nh2 {½-½ (53) Sanduleac,V (2449)-Malaniuk,V (2529) Galatzi 2007}) 11. Bxf6 Bxf6 12. Nd5 g6 13. c3 Bg7 14. Nd2 Ne7 (14... b5 {is interesting.} 15. b4 a6 16. Nf3 Rc8 17. Ne3 Bd7) 15. Nxe7+ Qxe7 16. Nc4 Bh6 17. Re1 Qc7 18. Ne3 Bxe3 19. Rxe3 Bxa2 20. Rxa2 f5 21. exf5 Rxf5 22. b4 Raf8 23. Rae2 cxb4 24. Qb3+ Qf7 25. Qxf7+ R5xf7 26. axb4 $11 {[%mdl 4096] Endgame KRR-KRR} Rc8 27. c4 b5 28. cxb5 Rb8 29. d4 Rxb5 30. dxe5 dxe5 31. Rxe5 Rxb4 32. f3 Rfb7 33. Re8+ Kf7 34. Ra8 Rb1+ 35. Kh2 Ra1 36. Kg3 Kf6 37. h4 h5 38. Rc8 Ra6 39. Re4 Kg7 40. Kh3 Kf7 41. Rf4+ Rf6 42. Ra4 Kg7 43. Ra8 Rff7 44. Kg3 Rbc7 45. Ra6 Rb7 46. Rd8 Rb6 47. Ra5 Rc6 48. Rd4 Rb6 49. Rda4 Rbb7 50. Ra6 Kh7 51. R4a5 Kg7 52. Ra2 Kh7 53. Re6 Rfe7 54. Rc6 Rec7 55. Rca6 Rf7 56. Rc2 Rfc7 57. Rca2 Rf7 58. R6a5 Kg7 59. Rc5 Rfc7 60. Rg5 Rf7 61. Ra3 Rf6 62. Kh3 Kh7 63. Rc5 Kg7 64. Re3 Rff7 65. Rd5 Rbd7 66. Ra5 Rb7 67. Rea3 Kh7 68. g3 Kg7 69. f4 Kh7 70. Kg2 Kg7 71. Kf3 Kh7 72. Re3 Rfe7 73. Rea3 Rf7 74. Re5 Rbe7 {Threatens to win with ...Rxe5.} 75. Ke4 (75. Rd5 {with more complications.} Rd7 76. Rg5 Rfe7 77. Ra2 Re6 78. Kg2) 75... Kg7 76. Ra6 Rxe5+ 77. fxe5 {KR-KR} Rb7 78. Kd5 Kf7 79. Rf6+ Kg7 80. Rf3 {Hoping for e6.} Rb5+ (80... a5 $1 $11) 81. Kd6 $1 $16 {Black must now prevent e6.} Rb6+ 82. Kd7 Rb7+ {[#]} 83. Kc6 $1 {[%cal Rc6b7]} Rb6+ {[#]} 84. Kc7 (84. Kc5 $1 $16) 84... Re6 $11 {The position is equal.} 85. Re3 Kf7 86. Kd7 {White threatens Rf3+ and mate.} Re7+ 87. Kd6 {Strongly threatening e6+.} Re6+ 88. Kd5 Ra6 89. Rc3 Ke7 90. Rc7+ Ke8 91. e6 Ra3 92. Kd6 {[%cal Rc7c8]} Rd3+ 93. Ke5 {Black should prevent Kf6.} Rxg3 94. Rxa7 {aiming for Kf6.} Rg4 95. Kf6 {[%cal Ra7a8]} Rf4+ 96. Kg5 Rg4+ 97. Kf6 {[%cal Ra7a8]} Rf4+ 98. Kg5 {Precision: White = 51%, Black = 62%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Narayanan, Srinath"]
[Black "Jeet, Jain"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2525"]
[BlackElo "2169"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,93,4,35,26,18,14,26,12,83,77,81,74,65,76,77,73,82,68,72,53,48,53,70,54,56,43,43,43,91,105,62,75,77,86,81,41,56,16,16,12,100,32,89,70,91,74,89,81,70,92,78,72,72,48,127,113,193,193,792,806,758,662,1051,1038,1025,992,943,932,863,858]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 {C78: Ruy Lopez: Archangelsk and Möller Defences} Ba7 11. Be3 Bg4 (11... exd4 12. cxd4 Bg4 13. Qc1 Qd7 14. Nbd2 O-O 15. e5 dxe5 16. Nxe5 Nxe5 17. dxe5 Bxe3 18. fxe3 Rbd8 19. exf6 Qxd2 20. fxg7 Kxg7 21. Qc5 Rd6 22. Qe5+ Kg6 23. Rf2 f6 24. Qf4 {1-0 (24) Yu,Y (2760)-Shankland,S (2671) Liaocheng 2018}) 12. Nbd2 O-O 13. h3 Bh5 {LiveBook: 5 Games} 14. Qe1 exd4 15. Nxd4 Nxd4 {[#]} 16. cxd4 $146 ({Predecessor:} 16. Bxd4 c5 17. Bxf6 Qxf6 {1-0 (49) Saric,I (2641)-Rade,M (2428) Sibenik 2015}) 16... Bg6 {[#]} (16... c5 $11 {keeps the balance.}) 17. e5 $1 $16 {[%cal Re5f6]} dxe5 18. dxe5 Bxe3 19. Qxe3 Nd5 {[#]} 20. Bxd5 $1 Qxd5 21. Rfc1 Rbd8 22. Nf1 Rfe8 23. Rc5 Qd3 24. Re1 f6 25. Qc1 fxe5 26. Rxc7 e4 27. Ne3 {Rd1 is the strong threat.} Qd2 28. Qa1 Rf8 29. Rc2 (29. Rf1 {looks sharper.} b4 30. Ra7 Rf6 31. Qd1 Qxd1 32. Rxd1 Rxd1+ 33. Nxd1 Rc6 34. Ne3) 29... Qb4 30. Rf1 Rd2 31. Rxd2 Qxd2 32. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Qd6 (32... h6 $11) 33. Qc3 (33. Rd1 $16 Qf4 34. Qb2) 33... Qf6 (33... b4 $1 $14 34. Qc2 Bf7) 34. Qc5 Bf7 35. b4 Be6 36. Nd5 Qf7 37. Ne7+ Kh8 38. Nc6 Rc8 {aiming for ...Qe8.} 39. Ne5 $36 {[%mdl 2048] White has the initiative.} Qf5 (39... Qf6 $14 40. Qd4 Re8) 40. Qd4 Rf8 (40... Rc2 $16) 41. Re1 $18 Bd5 $2 (41... e3 42. Qxe3 Bg8) 42. Qxd5 {White is clearly winning.} Qxf2+ 43. Kh2 e3 {[#]} 44. Rxe3 $3 {[%mdl 512]} Qf4+ (44... Qxe3 45. Nf7+) 45. Rg3 g6 46. Nd3 Qf5 47. Qxf5 {Precision: White = 74%, Black = 46%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Deepan Chakkravarthy J."]
[Black "Lokesh N"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2516"]
[BlackElo "1429"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,41,9,33,8,5,10,31,28,32,31,64,64,71,68,86,89,98,90,160,156,362,350,454,446,643,624,710,710]} 1. c4 Nf6 2. Nc3 e6 {[%cal Be7e6,Be6d5][%mdl 32]} 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. d4 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4)} (6. Nf3 Bf5 7. d3 Nxc3 8. bxc3 c5 9. d4 c4 10. g3 Be7 11. Bg2 Bd3 12. Ng1 Qa5 13. Bd2 Nc6 14. Ne2 {½-½ (52) Carlsen,M (2843)-Aronian,L (2794) Karlsruhe/Baden-Baden 2018}) 6... Nc6 7. Bb5 Bb4 8. Qa4 O-O {LiveBook: 9 Games} 9. Bxc6 Bxc3+ 10. bxc3 bxc6 11. Ne2 {h4 is the strong threat.} Bg4 {[#] Strongly threatening ...Bxe2.} 12. Ng3 f6 $146 ({Predecessor:} 12... Nxg3 13. hxg3 f6 {1-0 (28) Juhasz,B (1878)-Paroski,S (2147) Senta 2010}) 13. f3 Nxg3 14. hxg3 {[%cal Bh2g3,Bg3g4][%mdl 32]} Bd7 15. Ba3 Re8 16. Qc2 $36 {[%mdl 2048] White is really pushing.} g6 {[#]} ({Black should try} 16... f5 17. Kf2 a5) 17. Qd2 $1 $16 Bf5 $2 (17... c5 $16) 18. g4 $18 Bc8 19. Kf2 {aiming for Rxh7!White is clearly winning.} (19. Qh6 Qd7 $16) 19... Qd7 (19... c5 $142 20. Qh6 (20. Bxc5 fxe5 21. dxe5 Qd7 $18) 20... Re7 21. exf6 (21. Bxc5 Rf7 $18) 21... Rf7) 20. exf6 Ba6 21. Be7 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Swapnil, S. Dhopade"]
[Black "Harshini A"]
[Result "1-0"]
[ECO "D99"]
[WhiteElo "2505"]
[BlackElo "2154"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,87,69,97,78,142,122,86,106,103,62,72,18,27,26,20,18,17,7,10,9,44,37,52,41,99,95,211,95,172,10,10,12,30,18,42,17,114,115,237,237,289,288,280,283,12839,12839,12840,12840,12840,12840,12841,12842,12842,12843,12843,12843,12844,12844,12845,12845,12847,12847,12848,12847]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Qb3 Nb6 6. d4 Bg7 7. e4 O-O 8. Be3 Bg4 9. Rd1 Nc6 10. d5 Ne5 11. Be2 Nxf3+ 12. gxf3 Bh3 {D99: Grünfeld: Russian System: 7 e4 Bg4 8 Be3 Nfd7 9 Qb3} (12... Bh5 13. a4 Qc8 14. h4 c6 15. a5 Nd7 16. Kf1 Ne5 17. Kg2 Kh8 18. d6 exd6 19. Rxd6 f5 20. f4 Bxe2 21. Nxe2 Nf7 22. Re6 Nd8 23. Re7 fxe4 24. Ng3 Bf6 25. Rxe4 Nf7 26. h5 Qg4 27. f5 {1-0 (27) Iturrizaga Bonelli,E (2650)-Bykhovsky,A (2496) chess.com INT 2018}) 13. Rg1 Qc8 {LiveBook: 7 Games} 14. Rg3 Bf6 $146 (14... Bd7 $142) ({Predecessor:} 14... Bd7 15. a4 Qe8 16. a5 Ba4 17. Nxa4 Qxa4 18. Qxa4 Nxa4 19. b3 Nc3 20. Rc1 c6 21. dxc6 bxc6 22. Bc4 Rfd8 23. Rg5 Na2 24. Rb1 Nc3 25. Rc1 Na2 26. Rb1 Nc3 {½-½ (27) Antonsen,M (2457)-Pilgaard,K (2424) Helsingor 2012}) 15. Bh6 Rd8 16. f4 $1 Bh4 17. Nb5 Bxg3 18. Qxg3 (18. Qc3 $1 $16 {[%csl Gh6][%cal Rc3g7]} Bxf2+ 19. Kxf2) 18... c6 $1 $11 {[%cal Rc6b5]} 19. Nd4 cxd5 20. f5 $1 {Threatens to win with Qe5.} dxe4 {aiming for ...Qc5.} 21. Qxh3 Qc5 22. Qe3 Rd5 23. Qxe4 $40 {[%mdl 128] White has some attack.} Rad8 {[%cal Rd5d4]} 24. Be3 Qb4+ {[#]} ({Better is} 24... Nc4 $14) 25. Rd2 $1 $16 R8d7 (25... Qc5 $16) 26. a3 (26. Bg4 $18 {Black must now prevent fxg6.} h5 27. fxg6 hxg4 28. gxf7+ (28. Qxg4 Qd6 $17) 28... Kxf7 29. Qe6+ (29. Qxg4 R7d6 $17) 29... Kg7 30. Qxg4+ Kh8 31. Qh3+ Kg8 32. Qe6+ Kg7 33. Bh6+ Kh7 34. Qe4+ Kxh6 35. Nf5+ Kg5 36. Qxb4 Rxd2 37. Ne3 (37. Nxe7 R2d4 $18)) 26... Qc5 (26... Qd6 $16) 27. f4 $2 (27. Bg4 $18) 27... Qc1+ $1 $11 28. Rd1 ({But not} 28. Kf2 $2 {[#]} Qxd2 $1 {[%mdl 512]} 29. Bxd2 Rxd4 $17) 28... Qxb2 29. fxg6 $1 hxg6 30. f5 $1 {[%cal Rf5g6]} Qc3+ (30... R5d6 $1 $11 {remains equal.}) 31. Kf2 $16 R5d6 (31... Qc7 $16) 32. Nb5 $18 Qf6 33. Nxd6 Rxd6 34. Rxd6 exd6 $2 (34... Qxd6 35. fxg6 (35. Qxb7 Nd5 $18) 35... Qxh2+ 36. Ke1 Qg3+ 37. Kd2 Qd6+ 38. Bd3 fxg6) 35. Bd4 {White is clearly winning.} Qxf5+ 36. Qxf5 gxf5 37. Bxb6 axb6 {[%mdl 4096] Endgame KB-KP} 38. Ke3 Kg7 39. Kf4 Kg6 40. Bf3 Kf6 41. Bd5 Kg6 42. Bxb7 Kh5 43. Kxf5 Kh4 44. Bg2 {Precision: White = 67%, Black = 31%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Mehdi Hasan Parag"]
[Black "Short, Nigel D"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "2207"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,52,-46,-45,-203,-181,-205,0,0,0,-178,-183,-281,-267,-270,-254,-346,-346,-333,-337,-327,-321,-353,-364,-613,-612,-604,-592]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Nbd7 7. f3 e6 8. Qd2 b5 9. O-O-O Bb7 10. g4 Nb6 11. Qf2 Nfd7 12. h4 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} (12. Nb3 Rc8 13. Ne2 Nc4 14. Bd4 e5 15. Bc3 Be7 16. h4 Ndb6 17. Na5 Ba8 18. Kb1 Qc7 19. Nxc4 Nxc4 {0-1 (28) Olszewski,M (2540)-Jakubowski,K (2526) Katowice 2017}) 12... Rc8 13. Kb1 Rxc3 14. bxc3 Qc7 {LiveBook: 3 Games} 15. Bxb5 $146 (15. g5 $1 $15) ({Predecessor:} 15. Qe1 Be7 16. g5 d5 17. e5 Na4 18. Bd2 Nxe5 19. f4 Nd7 20. Bd3 {0-1 (46) Akatova,E (2320)-Zawadzka,J (2397) Plovdiv 2008}) 15... axb5 $19 16. Nxb5 Qc6 $2 (16... Qc4 $1 $19 {[%cal Rc4b5]} 17. Qf1 Qc6) 17. Na7 $1 $11 {[%cal Ra7c6]} Qc7 $2 (17... Qxc3 $11 18. Rd3 Qc7) 18. Nb5 $19 {[#]} Qc4 $1 {[%cal Rc4b5]} 19. Nxd6+ (19. Qf1 {was necessary.} Qc6 20. Na7 Qxc3 21. Rd3) 19... Bxd6 20. Rxd6 Na4 {[%cal Bb6a4,Ba4c3,Bc3e4][%mdl 32]} ({Not} 20... Qb5+ 21. Ka1 $15) 21. Rd4 Qb5+ 22. Kc1 Qb2+ ({Much less strong is} 22... Nxc3 23. Rd3) 23. Kd1 Nxc3+ 24. Kd2 Ba6 {And now ...e5 would win.} (24... Nxa2 $2 25. Ke1 $19) 25. Qh2 $2 (25. Bg5 Nxa2 26. Rxd7 Qb4+ 27. Ke3 Kxd7 28. Qd2+ Qxd2+ 29. Kxd2) 25... e5 (25... Ne2 $2 {[#]} 26. Qd6 $1 $19 {[%mdl 512]}) 26. Rd6 {[#]} Nxe4+ $1 {[%mdl 512]} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Aditya Mittal"]
[Black "Karthikeyan, Murali"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2199"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,114,0,6,0,5,0,11,0,22,1,0,-2,7,10,10,8,13,-2,10,6,11,4,48,48,48,48,48,48,46,43,62,0,8,-6,-14,-27,8,38,44,0,0,0,22,0,31,-23,-28,-33,-22,-22,-10,-53,0,-35,-12,-39,0,0,0,-25,-14,-24,0,0,0,0,0,0,0,0,11,12,6,6,11,11,12,-237,-234,-350,-293,-325,-324,-310,-306,-290,-310,-537,-519,-675,-620,-739,-717,-2097,-2080,-29982,-29981,-29990,-29991,-29991,-29992]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 Nbd7 7. c5 {D37: Queen's Gambit Declined: 5 Bf4} (7. a3 c5 8. cxd5 Nxd5 9. Nxd5 exd5 10. dxc5 Nxc5 11. Be5 Bf5 12. Be2 Bf6 13. O-O Be4 14. Rc1 Ne6 {0-1 (38) Mamedyarov,S (2799)-Carlsen,M (2837) Riadh 2017}) 7... Ne4 8. Bd3 f5 {LiveBook: 8 Games} 9. Ne2 {The position is equal.} c6 10. b4 $146 ({Predecessor:} 10. O-O g5 11. Bg3 Nxg3 12. Nxg3 a5 13. Qa4 b5 14. cxb6 Bb7 {½-½ (37) Bareev,E (2675)-Le,Q (2723) Baku 2016}) 10... b6 11. O-O a5 12. a3 g5 13. Bg3 Nxg3 14. Nxg3 g4 {[#] ...axb4 is the strong threat.} 15. Nd2 Bg5 16. Qc2 bxc5 17. bxc5 Nf6 18. Rab1 f4 19. exf4 Bxf4 20. Ne2 Bc7 21. f4 Qe7 22. g3 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 23. Nc3 (23. Rf2 $14) 23... h4 $11 24. Rf2 (24. gxh4 Nh5 $17) 24... Nh5 25. Nf1 Qf6 (25... Bxf4 $5 26. gxf4 Nxf4 $11) 26. Ne2 e5 27. dxe5 Bxe5 28. Qd2 Ra7 29. Ne3 {And now Rb6 would win.} Raf7 30. Rg2 ({Inferior is} 30. Qxa5 hxg3 31. hxg3 Nxg3 $17) (30. Rb6 $1 $14 Qe6 31. Bb5) 30... Bc7 31. Nc2 Re7 32. Ncd4 Rfe8 33. Qc2 Ng7 ({Black should try} 33... Kf7 $15) 34. Bh7+ Kh8 35. Qg6 Rf8 (35... Qf8 $5 {[%cal Rg7e6]} 36. Qc2 Ne6 $11) 36. Qxf6 ({Much weaker is} 36. Nxc6 Re6 $17) 36... Rxf6 37. Bd3 Re3 38. Rd1 h3 39. Rf2 {[%cal Bg2f2,Bf2f1,Bf1d1][%mdl 32]} Bb8 40. Rff1 Ba7 41. Kf2 Re8 $36 {[%mdl 2048] Black has the initiative.} (41... Re7 $5 42. Rc1 $8 Ne8 $11) 42. Rc1 Ne6 43. Nxe6 Rfxe6 44. Nd4 Re3 45. Rfd1 $1 ({Avoid the trap} 45. Nxc6 $2 Rxd3 46. Ne5 Rd2+ 47. Kg1 Bf5 $19) 45... Bd7 46. Be2 $2 {[#]} (46. Bg6 $11 {and White is okay.}) 46... Rxa3 $19 47. Rd3 (47. Rd2 $142) 47... Ra4 48. f5 Re4 49. Ne6 Bxe6 50. fxe6 Rxe6 51. Rc2 $2 (51. Re3 Rxe3 52. Kxe3) 51... Rae4 {Strongly threatening ...Bxc5+!} 52. Rdd2 a4 53. Ke1 Bb8 54. Rc3 Bc7 55. Rb2 Ba5 {Black mates.} 56. Rb8+ Kg7 57. Rb7+ Kf6 {Precision: White = 45%, Black = 65%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Bharath Subramaniyam H"]
[Black "Aravindh, Chithambaram VR."]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2190"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,127,-3,-1,-8,3,-63,-71,-69,-64,-125,-125,-120,-120,-121,-129,-129,-125,-125,-131,-118,-129,-126,-43,-113,-59,-62,-62,-57,-73,-92,-83,-77,-74,-91,-83,-175,-165,-166,-171,-157,-181,-210,-166,-164,-160,-177,-81,-97,-90,-83,-84,-209,-198,-201,-201,-212,-205,-208,-289,-291,-285,-280,-282,-277,-264,-275,-266,-286,-276,-397,-385,-365,-337,-450,-449,-447,-384,-429,-427,-1052,-950,-987,-902,-1155,-966,-993,-885,-560,-238,-275,-301,-29973,-29970,-29987,-29988,-29988,-29989,-29990,-29991,-29992,-29993,-29994,-29995,-29995,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O a6 7. Bd3 e6 {B23: Closed Sicilian: Lines without g3} (7... Nc6 8. e5 d6 9. Qe2 dxe5 10. fxe5 Nh6 11. Kh1 Bg4 12. Be4 Rc8 13. d3 Nf5 14. e6 f6 15. Qf2 {1-0 (37) Petrosian,T (2648)-Jaracz,P (2548) Warsaw 2012}) 8. Nxd4 Bxd4+ 9. Kh1 d6 {LiveBook: 5 Games. The position is equal.} 10. Qf3 Ne7 {[%cal Bg8e7,Be7f5,Bf5h6][%mdl 32]} 11. f5 (11. Rb1 $11) 11... exf5 $1 $15 12. exf5 Nxf5 13. g4 $146 (13. Bxf5 $15 Bxf5 14. Nd5) ({Predecessor:} 13. Bxf5 Bxf5 14. Qxb7 O-O {½-½ (23) Watson,J (2101)-Mahmud,S (2373) Parramatta 2009}) 13... Nh6 $17 14. Bc4 {Strongly threatening d3.} O-O 15. h3 Qh4 {[%cal Rc8g4] Hoping for ...Bxg4.} 16. Kg2 Be5 17. Qf2 Qxf2+ $1 18. Rxf2 Kg7 19. d3 Be6 (19... f5 $17 20. Bd2 Bd7) 20. Bd2 (20. Bxe6 $15 fxe6 21. Be3) 20... b5 ({Black should try} 20... Bd7 $17 21. Bd5 f5) 21. Bxe6 $1 $15 fxe6 22. Re2 Nf7 23. Rae1 Bxc3 24. bxc3 e5 $36 {[%mdl 2048] Keeping White busy.} 25. Be3 Rac8 26. d4 (26. Rf1 $17) 26... cxd4 $19 27. cxd4 Rc4 28. dxe5 dxe5 29. Rd2 Rd8 30. Rf2 Rdc8 31. Ree2 Nd6 (31... Ra4 $19 32. Rd2 Rc7) 32. Rd2 $17 R4c6 33. Rd5 Re8 34. Bc5 (34. Bd2 $17 {keeps fighting.}) 34... Ne4 $1 $19 {[%csl LRc5,LRf2]} 35. Rd7+ Kh8 $1 (35... Kg8 36. Rff7 $17) 36. Rff7 Ng5 ({Inferior is} 36... Rxc5 37. Rxh7+ Kg8 38. Rhg7+ Kh8 39. Rh7+ Kg8 40. Rhg7+ Kh8 41. Rh7+ $11) 37. Rf8+ (37. Rfe7 $142 Rxe7 38. Bxe7 Rxc2+ 39. Kg3 Ne4+ 40. Kf3 Nd2+ 41. Ke3 Nc4+ 42. Ke4) 37... Rxf8 38. Bxf8 {[%mdl 4096] Endgame KRB-KRN} Kg8 ({Resist} 38... Rxc2+ 39. Kg3 $19) 39. Bh6 Rxc2+ 40. Kg3 Rc3+ 41. Kg2 {[#]} Nf7 $1 {[%cal Rf7h6]} ({Not} 41... Nxh3 42. Rg7+ Kh8 43. Ra7 $17) 42. g5 Ra3 43. Re7 (43. Ra7 $142 Rxa2+ 44. Kf3 Ra3+ 45. Kg2) 43... Rxa2+ 44. Kg3 {[%cal Re7e8]} Ra3+ 45. Kg2 {[%cal Re7e8]} Nxh6 46. gxh6 {KR-KR} b4 47. Rg7+ {[#]} Kf8 $1 48. Rxh7 (48. Rb7 $142 a5 49. Rxh7) 48... Kg8 49. Rg7+ Kh8 50. Rxg6 a5 51. Rb6 Kh7 52. h4 b3 (52... e4 $142 53. Rb5 Kxh6) 53. Kf3 b2+ 54. Ke2 $2 (54. Kg2 $19 Ra2 55. Kf3) 54... Rh3 {Black mates.} 55. Kf1 {[#]} b1=R+ $1 {[%mdl 512]} 56. Rxb1 Rh1+ 57. Kg2 Rxb1 {KR-KPP} 58. Kh2 Rb3 59. Kg2 a4 60. Kf2 a3 61. Kg2 a2 62. Kh2 a1=R 63. Kg2 Ra2+ 64. Kf1 Rb1# {Precision: White = 37%, Black = 71%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Rahman, Syed Mahfuzur"]
[Black "Sandipan, Chanda"]
[Result "0-1"]
[ECO "A83"]
[WhiteElo "2188"]
[BlackElo "2573"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,50,-12,-7,-33,6,-12,-2,-34,0,-7,28,35,70,-12,-19,-43,0,0,-5,0,0,-13,-14,-178,-181,-268,0,0,0,0,0,0,0,0,0,-42,-30,-31,-39,-24,-33,-1752,-1725]} 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. d5 Bg7 6. Qd2 $146 {A83: Dutch Defence: Staunton Gambit with 3 Nc3 Nf6 4 Bg5} ({Predecessor:} 6. Bc4 c6 7. Qd2 cxd5 8. Bxd5 Qa5 9. Bb3 Nc6 10. O-O-O d6 11. Bxf6 Bxf6 12. Nxe4 Qxd2+ 13. Rxd2 {0-1 (37) Shen,V (2394)-Kamsky,G (2673) Chicago 2015}) 6... O-O 7. O-O-O d6 8. Re1 {The position is equal.} c6 9. Bxf6 exf6 10. Nxe4 c5 11. Nf3 ({Better is} 11. h4 $14) 11... h6 $1 $11 12. c4 b5 13. cxb5 f5 14. Nc3 a6 15. bxa6 Nxa6 16. h4 $2 (16. Bc4 $11 {and White has nothing to worry.}) 16... Nb4 $19 17. a3 {[#]} (17. Bc4 {was called for.} Qa5 18. Re6 Bxc3 19. Rxg6+ Bg7 20. Qxh6) 17... Bxc3 $2 (17... Rxa3 $1 $19 18. bxa3 Bxc3 19. Qxh6 Na2+ 20. Kd1 Qb6 21. Qxg6+ Bg7) 18. bxc3 $11 Rxa3 19. cxb4 {Kb2 is the strong threat.} Ra1+ $1 20. Kb2 Qf6+ 21. Kb3 {And now Bb5 would win.} Bd7 $1 {( -> ...c4+!)} 22. Rxa1 (22. Qxh6 {[#] gets mated.} c4+ $1 {[%mdl 512]} 23. Kc2 Ra2+ 24. Kd1 Ba4+ 25. Kc1 Qb2#) 22... Qxa1 23. Bb5 $1 Qxh1 24. Bxd7 Qb1+ 25. Qb2 $2 {[%mdl 8192] [#]} (25. Kc3 $15) 25... c4+ $1 {[%mdl 512] Precision: White = 28%, Black = 57%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Godbole, Atharva"]
[Black "Tukhaev, Adam"]
[Result "0-1"]
[ECO "B46"]
[WhiteElo "2181"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,0,7,0,5,-13,-48,-53,-52,-53,28,-18,18,-44,-17,-19,-18,-19,-10,-88,-73,-71,-38,-105,-111,-134,-140,-137,-17,-25,-36,-34,-35,-74,-47,-49,-47,-49,0,0,27,-221,-217,-206,-219,-218,-211,-403,-419,-473,-476,-695,-684,-976,-886,-971,-917,-1134,-1110]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. O-O Nf6 9. e5 Nd7 {LiveBook: 27 Games. B46: Sicilian: Taimanov: 5 Nc3 a6} 10. Bf4 (10. Re1 Be7 11. Qg4 Kf8 12. Qh5 c5 13. b3 Bb7 14. Bd2 Qc7 15. Rad1 d4 16. Na4 g6 17. Bh6+ Kg8 18. Qe2 Bf8 19. Bxf8 Kxf8 {1-0 (32) Duda,J (2658)-Andreikin,D (2720) Berlin 2015}) 10... Be7 11. Qg4 $146 ({Predecessor:} 11. Na4 O-O 12. c4 a5 13. Rc1 Ba6 14. Re1 g6 15. cxd5 cxd5 16. Bxa6 Rxa6 {1-0 (28) Paehtz,T (2438)-Bergen,K (1938) Triesen 2012}) 11... g5 {Threatens to win with ...h5.The position is equal.} 12. Bd2 Nxe5 13. Qh5 Nd7 (13... Ng6 $15) 14. Qh6 Ne5 (14... Bf8 $5 {[%cal Rf8h6]} 15. Qxg5 Qxg5 16. Bxg5 Bd6 $11) 15. Qh5 ({White should try} 15. Rae1 $11 Nxd3 16. cxd3) 15... Nxd3 16. cxd3 O-O 17. f4 Qb6+ 18. Rf2 (18. Kh1 $1 $11 {keeps the balance.}) 18... Qd4 $17 19. Re1 Qxd3 20. f5 (20. Na4 $1 $15) 20... f6 {aiming for ...Bc5.} 21. Re3 Qd4 {And now ...e5 would win.} 22. fxe6 Qh4 (22... Bc5 $17 23. Qe2 Ra7) 23. Qxh4 gxh4 24. Na4 $1 Rb8 25. Rfe2 c5 $36 {[%mdl 2048] Black has the initiative.} 26. Rh3 f5 {[%cal Bf6f5,Bf5e4,Be4e3][%mdl 32]} 27. Bh6 Rd8 {...Rb4 is the strong threat.} 28. Rf3 $1 {[%cal Rf3f5]} Rb4 29. b3 $2 (29. Rxf5 $11 {and White stays safe.} Rxa4 30. Rf7) 29... Re4 $19 30. Rxe4 fxe4 ({Less strong is} 30... dxe4 31. Rxf5 Bxe6 32. Re5 $11) 31. Rf7 {[#]} Re8 $1 32. Rf5 $2 (32. Rg7+ Kh8 33. Rxe7 Rxe7 34. Nxc5) 32... Bxe6 33. Rf1 d4 {Black is clearly winning.} 34. Re1 (34. Rc1 $142 Rc8 35. Nb2) 34... e3 35. Nb2 {[#]} c4 $1 36. bxc4 (36. Nxc4 Bb4) 36... Bb4 37. Rc1 Bf5 {Precision: White = 31%, Black = 54%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Senthil Maran K"]
[Black "Vishnu Prasanna. V"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2180"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,117,0,-1,3,-2,0,0,0,0,0,-2,0,-3,0,0,2,-66,0,1,14,6,44,39,46,46,32,40,68,26,86,-53,-54,-146,-99,-82,-87,-100,-89,-63,-70,-173,237,226,181,180,368,260,260,259,249,172,248,235,260,259,259,247,241,149,149,149,264,149,264,149,391,393,392,377,374,311,534,536,532,533,551,532,495,478,672,374,373,373,877,841,877,841,840,837,766,715,1417,1346,1966,1966,3467,1144,2683,2272,29972,5081,29986,29987]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 d5 5. Bg2 O-O 6. Ngf3 b6 7. O-O Bb7 8. cxd5 exd5 9. Ne5 Nc6 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} (9... Bd6 10. Ndc4 Be7 11. Ne3 Re8 12. Nf5 Bf8 13. Bg5 h6 14. Bxf6 Qxf6 15. Ne3 Qe6 16. Rc1 Na6 17. Qa4 c5 {1-0 (74) Akobian,V (2645)-Hansen,E (2616) chess.com INT 2017}) 10. Qa4 $146 ({Predecessor:} 10. Ndc4 Nxe5 11. Nxe5 Re8 12. Bf4 h6 13. Rc1 Bd6 14. Nd3 Rc8 15. Bh3 Rb8 16. b4 Ne4 17. Qc2 Ba6 18. Bxd6 cxd6 19. a4 {½-½ (19) Veinberg,N (2353)-Baron,T (2502) Jerusalem 2015}) 10... a5 11. Nxc6 Qe8 {The position is equal.} 12. Nf3 Bxc6 13. Qc2 Bd6 14. Bf4 Bxf4 15. gxf4 Bb5 16. Ne5 (16. Rfe1 $11) 16... Qe6 (16... Nh5 $1 $15 17. a4 (17. Bxd5 Nxf4 18. Bf3 Rd8 $17) 17... Ba6) 17. Qb3 Bxe2 18. Rfe1 Ba6 {[#]} 19. Ng6 $1 {[%mdl 512]} Qd6 (19... fxg6 20. Rxe6) 20. Nxf8 Rxf8 21. Re5 Bb7 22. Qg3 Ne4 (22... c5 $11 {keeps the balance.}) 23. Qh4 (23. Qa3 $1 $16) 23... Qb4 $1 $15 24. Rh5 (24. Rd1 $15) 24... Nf6 (24... Qxd4 25. Rxh7 Qxf2+ 26. Qxf2 $15) 25. Rg5 Qxd4 ({Inferior is} 25... Qxb2 26. Rxg7+ $1 {[%mdl 512]} Kxg7 27. Qg5+ Kh8 28. Qxf6+ Kg8 29. Re1 $16) 26. Re1 Ne4 27. Bxe4 dxe4 28. Re3 ({Better is} 28. Rg3 $15) 28... f5 $4 {[%mdl 8192] [#]} (28... Qxb2 $19 {White must now prevent ...Qa1+.} 29. Kg2 g6) 29. Rxg7+ $1 $18 {[%mdl 512]} Qxg7+ 30. Rg3 {[#]} Qxg3+ $2 (30... Qg6 $1 31. Qe7 (31. Rxg6+ hxg6 32. Qe7 Rf7 $16) 31... Rf7) 31. hxg3 {[%mdl 4096] Endgame KQ-KRB} ({Less strong is} 31. fxg3 Rf7 $16) 31... Rf7 32. Qg5+ Kf8 {If Black can now play ...Ba6 this consolidates a bit.} 33. Qd8+ Kg7 34. Kh2 Ba6 {[#]} 35. g4 $1 {[%mdl 512]} fxg4 36. Kg3 Bd3 37. Kxg4 Be2+ 38. Kg3 {[%mdl 1024] White has strong compensation.} Bf3 (38... Bh5 $16 39. f5 Rxf5 40. Qxc7+ Bf7 41. Qxb6 Bxa2 42. Qd4+ Kg6 43. Qxe4 Bd5 44. Qe8+ Bf7 45. Qc6+ Kg7 46. Qc3+ Kg6 47. Qc6+ Kg7 48. Qc3+ Kg6) 39. Kh3 (39. Qg5+ $18 Kf8 40. Qd8+ Kg7 41. f5 $1 {[%mdl 512]}) 39... h6 {[#]} (39... Bh5 $16 {might work better.} 40. Qd4+ Kg8 41. Qxe4 Bg6 42. Qe8+ Rf8 43. Qe6+ Rf7 44. Qe8+ Kg7 45. Qe5+ Kg8) 40. Kg3 (40. f5 $1 $18 {[%mdl 512]}) 40... Kh7 $2 {[#]} (40... Bh5 $16 41. f5 Rxf5) 41. f5 $1 {[%mdl 512]} Rxf5 42. Qxc7+ Kg6 43. Qxb6+ Kh5 $2 (43... Kf7 44. Qxh6 Bh5) 44. b4 axb4 45. Qxb4 Kg5 46. Qe7+ Rf6 47. a4 h5 (47... Kf5 $142 48. Qd7+ Re6) 48. a5 h4+ 49. Kh2 Kf5 $2 (49... Be2 50. Qg7+ Kf5) 50. Qd7+ Kf4 51. Qc7+ Kg5 52. Qe5+ Kg6 53. Kh3 Rf5 54. Qe8+ Kg5 55. Qg8+ Kf4 56. a6 e3 57. Qc4+ Be4 58. a7 (58. f3 $142 Re5 59. fxe4 Re7 60. Qc5 e2 61. Qxe7 e1=Q 62. Qxh4+ Qxh4+ 63. Kxh4) 58... Rf8 59. f3 {Precision: White = 58%, Black = 30%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Deshpande, Aniruddha"]
[Black "Burmakin, Vladimir"]
[Result "0-1"]
[ECO "D52"]
[WhiteElo "2170"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,76,0,-8,0,-4,-10,-8,0,1,20,2,6,0,0,0,0,22,0,5,9,0,0,-2,0,0,24,26,30,-8,0,0,0,0,0,0,0,0,-2,-120,-114,-206,-202,-246,-246,-271,-279,-260,-242,-244,-244,-245,-245,-239,-242,-427,-397,-527,-498]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bg5 Nbd7 6. e3 Qa5+ 7. Nc3 Ne4 8. cxd5 {D52: Queen's Gambit Declined: Cambridge Springs Variation} Nxg5 9. Nxg5 exd5 10. Bd3 Be7 11. Nf3 {LiveBook: 4 Games} Nf6 (11... O-O 12. O-O Qd8 13. Qc2 g6 14. a3 a5 15. Rab1 Bd6 16. b4 axb4 17. axb4 {½-½ (44) Caruana,F (2770)-Kamsky,G (2741) Achaea 2012}) 12. O-O O-O 13. Ne5 Qd8 $146 ({Predecessor:} 13... Bd6 14. f4 Qb6 15. Qc2 Be6 {0-1 (59) Wojcik,W (2280)-Shaw,S (2344) ICCF email 2007}) 14. f4 c5 {[#] Threatens to win with ...c4.} 15. Be2 Qb6 $1 16. Bf3 Qxb3 17. axb3 Rd8 18. g4 {With the idea g5.} cxd4 19. exd4 Ne4 20. Rfe1 Bb4 21. Rac1 Ba5 22. Kg2 f5 23. gxf5 ({Much worse is} 23. Bxe4 dxe4 24. Ra1 Bb4 $15) 23... Kf8 24. Re3 Nf6 25. Ng4 Bxf5 26. Nxf6 gxf6 27. Ra1 Bb6 28. Ra4 Bd7 29. Rb4 (29. Ra1 $11) 29... Bc6 $17 30. Re6 (30. Rxb6 $17 axb6 31. b4) 30... Ba5 $19 31. Ra4 {[#]} Bxc3 $1 ({Don't take} 31... Bxa4 32. Nxa4 Kf7 33. Re2) 32. Rxf6+ Ke7 33. Rxc6 bxc6 34. bxc3 {KRR-KRB} a5 35. c4 Kd6 36. cxd5 cxd5 37. Ra1 $2 (37. b4 {was called for.} axb4 38. Rxb4 Rg8+ 39. Kf2) 37... Rdb8 38. Rc1 Rb4 {Precision: White = 48%, Black = 67%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Samant Aditya S"]
[Black "Shyam, Sundar M."]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2167"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,122,0,-21,13,20,21,-8,-3,-22,-12,-14,-18,-21,-29,-4,-13,-48,-5,-23,-15,-62,-10,-47,-55,-60,-73,-96,-45,-31,-40,-74,-74,-75,-75,-75,-76,-77,-77,-77,-77,-80,-73,-82,-81,-72,-74,-93,-90,-112,-118,-126,-102,-104,-85,-79,-72,-93,-65,-96,-90,-110,-108,-125,-127,-130,-126,-141,-139,-172,-154,-185,-177,-189,-181,-270,-270,-247,-221,-270,-262,-354,-384,-347,-297,-393,-304,-407,-352,-277,-331,-249,-235,-456,-417,-1198,-1154,-1497,-1451,-1445,-1435,-1394,-1104,-29945,-5110,-29979,-29981,-29981,-29982]} 1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nge7 5. Bg2 g6 6. O-O Bg7 7. c3 O-O 8. Be3 b6 9. d4 cxd4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} 10. Nxd4 Bb7 (10... Ba6 11. Re1 Ne5 12. Na3 d5 13. Bg5 dxe4 14. Bxe4 Qd7 15. f4 Nd3 16. Bxd3 Bxd4+ 17. Kf1 {1-0 (55) Kamsky,G (2746)-Bartel,M (2654) Istanbul 2012}) 11. Na3 d5 {The position is equal.} 12. Ndb5 $146 ({Predecessor:} 12. exd5 Nxd5 13. Nxc6 Bxc6 {0-1 (51) Tosic,M (2422)-Miljkovic,M (2427) Subotica 2008}) 12... a6 13. exd5 Nxd5 14. Bxd5 exd5 15. Nd4 Ne5 16. Nac2 Nc4 17. Qc1 Re8 18. Bh6 Bh8 (18... Bxh6 $15 19. Qxh6 Nxb2) 19. Ne3 Qd7 20. h4 Qh3 21. Ng2 Ne5 ({Black should play} 21... Re4 $17 22. Rb1 Rae8) 22. Nf4 $15 Qg4 23. Ng2 Nf3+ 24. Nxf3 Qxf3 25. Qf4 {[#]} d4 $1 {[%csl Gb7][%cal Rf3g2][%mdl 512]} 26. Qxf3 (26. cxd4 Qxg2#) 26... Bxf3 27. cxd4 Bxd4 28. Be3 Bxg2 29. Kxg2 Bxe3 30. fxe3 Rxe3 $17 {[%mdl 4096] Endgame KRR-KRR} 31. Rae1 Rae8 32. Rxe3 Rxe3 {KR-KR} 33. Rf2 h5 34. Rd2 Kg7 35. Kf2 Re6 36. Kf3 Kf6 37. Kf4 Ke7 38. Rc2 Kd7 39. Rd2+ Rd6 40. Rc2 f6 41. Re2 Rd3 42. Rc2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 43. Rg2 a4 44. Ke4 Rd1 45. a3 (45. Rc2 {might work better.}) 45... b5 46. Rf2 Ke6 47. Rc2 f5+ 48. Kf3 Rd3+ 49. Kf4 Rd4+ 50. Ke3 Kd5 51. Rc8 {Black must now prevent Rd8+.} Rg4 52. Kf3 b4 53. Ra8 b3 54. Rd8+ $2 (54. Ra6 {is a better defense.}) 54... Kc4 $19 55. Rc8+ {[#]} (55. Rd1 $142 Rd4 56. Rc1+ Kb5 57. Ke2) 55... Kd3 $1 56. Rc3+ Kd2 57. Rc6 Kd1 58. Kf2 Rd4 59. Rxg6 Kc2 (59... Kc1 $142 60. Ke3 Re4+ 61. Kd3 Kxb2 62. Rb6 Kxa3 63. Rb5 Rb4 64. Rxf5 b2 65. Rf1 b1=Q+ 66. Rxb1 Rxb1 67. Kc4 Kb2 68. Kd4 a3 69. Ke5 a2 70. Kf5 a1=Q 71. g4 Qa5+ 72. Kg6 hxg4 73. Kg7 Kc3 74. Kf7 Rb6 75. Kg8 Qa7 76. Kh8 Rb8#) 60. Ke3 Re4+ 61. Kf3 Kxb2 {Precision: White = 26%, Black = 75%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Goswami, Vedant"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2158"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,66,38,36,42,28,38,0,0,0,0,-113,-115,-109,-100,-391,-375,-273,-9,-32,0,0,0,-45,-44,-53,-49,-45,-48,-50,-49,-61,-36,-66,-48,-37,-38,-83,-71,-115,-115,-114,-121,-130,-132,-708,-686,-576,-550,-29988,-616]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (6. Bxd7+ Bxd7 7. Nc3 e5 8. Qd3 Rc8 9. O-O Qc7 10. a4 Be7 11. Rd1 h6 12. Nd2 Nf6 13. Nf1 O-O 14. Ne3 Be6 15. a5 Rfd8 {½-½ (58) Demchenko,A (2660)-Vachier Lagrave,M (2789) Riadh 2017}) 6... e5 7. Qe3 Ngf6 {[%cal Bg8f6,Bf6g4,Bg4f2][%mdl 32]} 8. c4 Be7 9. Nc3 O-O 10. O-O {LiveBook: 4 Games} Nc5 11. Rd1 $146 ({Predecessor:} 11. h3 Bd7 12. Rd1 Qb8 13. b3 b5 {1-0 (53) Burg,T (2509)-Ftacnik,L (2556) Germany 2016}) 11... Qe8 12. b3 Ng4 13. Qd2 f5 14. h3 (14. Bd3 $11 {remains equal.}) 14... Nxf2 $1 $17 15. Kxf2 fxe4 16. Kg1 $2 {[%mdl 8192]} (16. Qe3 $17 exf3 17. Bxf3) 16... exf3 $19 17. Bxf3 {[#]} Kh8 $2 (17... Rxf3 $1 $19 {[%mdl 512]} 18. gxf3 Bxh3) 18. Qe2 Bd7 {And now ...e4! would win.} 19. Be3 Bc6 20. Bd5 Nd7 21. Ne4 Nf6 $36 {[%mdl 2048] White is under pressure.} 22. Nxf6 Rxf6 23. a4 Qg6 24. Kh2 Raf8 25. Rd2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 26. Rad1 Rf5 27. Qd3 h4 28. Qe4 {[#]} Qg3+ $1 29. Kg1 Rf3 30. Ba7 R8f4 31. Bxc6 $2 {[%mdl 8192]} (31. Qe2 $17) 31... Rxe4 32. Bxe4 {[#]} Re3 $1 {[%mdl 512] White must now prevent ...Re1+.} 33. Bxb7 (33. Bxe3 Qxe3+) 33... Re1+ {Precision: White = 25%, Black = 62%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Kulkarni, Vinayak"]
[Black "Neverov, Valeriy"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2152"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,113,37,77,29,39,9,9,0,9,4,7,12,16,7,16,6,8,8,14,8,11,8,8,4,14,4,16,-15,-15,-4,0,0,0,0,-8,-40,-18,-82,-83,-93,-97,-119,-10,-194,-169,-377,-372,-314,-224,-177,0,-1687,-1568,-1622,12,29,436,436,436,429,356,361,597,275,581,572,983,917,2010,2056,1891,1709,1331,-29970,1260,1212,1206,1077,1054,942,8992,7029,6558,6107,6095,6095,6083,6079,29979,29980,29979,29979,29971,29974,29991,29992]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 8. Be3 Ng4 9. Bg5 f6 10. Bc1 Qe8 {LiveBook: 28 Games} 11. d5 {E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves} (11. c5 $5) (11. h3 Nh6 12. Rb1 f5 13. dxe5 dxe5 14. b4 Be6 15. Ng5 Nf7 16. Nxe6 Qxe6 17. c5 c6 18. Bxa6 bxa6 19. Qe2 f4 20. f3 Ng5 21. Bb2 Rad8 22. Rbd1 Rd4 23. a3 a5 24. b5 Rfd8 25. bxc6 Bf8 {1-0 (25) Rodshtein,M (2623)-Polgar,J (2687) Netanya 2009}) 11... f5 12. Rb1 $146 ({Predecessor:} 12. Ne1 Nf6 13. f3 f4 14. Nd3 g5 15. Rb1 Qg6 16. Nf2 h5 17. h3 g4 18. fxg4 hxg4 19. Bxg4 Bxg4 20. Nxg4 Nxg4 21. Qxg4 Qxg4 22. hxg4 {1-0 (45) Ercan,M (2075)-Duman,A (2245) Kusadasi 2004}) 12... Nc5 13. Ng5 {The position is equal.} Nf6 {[%cal Rf6e4]} 14. b4 Ncxe4 15. Ngxe4 Nxe4 16. Nxe4 fxe4 17. Be3 h5 18. c5 Kh7 19. Qd2 Rf7 20. a4 Qf8 21. Rbc1 Bh6 22. Rc4 Bf5 23. a5 Bxe3 24. Qxe3 c6 25. dxc6 {aiming for cxd6.} d5 $1 {[%cal Rd5c4]} 26. cxb7 Rxb7 27. Rcc1 d4 28. Qd2 (28. Qa3 $1 $11) 28... Qh6 $36 {[%mdl 2048] White is under strong pressure.} 29. Qb2 d3 {Threatens to win with ...Rab8.} 30. c6 Re7 (30... Rf7 $1 $17 31. Bd1 e3) 31. Bd1 $2 (31. b5 $1 $11 {and White stays safe.}) 31... e3 $19 32. fxe3 $2 (32. Rc5 {might work better.} e4 33. Qf6) 32... Qxe3+ 33. Kh1 d2 34. Rc3 Qe1 $2 (34... Bd3 $1 $19 {...Rf8 is the strong threat.} 35. h3 Qd4) 35. Kg1 $2 {[%mdl 8192]} (35. Rcf3 $11) 35... Rf8 36. Rcf3 {[#]} e4 $2 (36... Bd3 $1 $19 {[%mdl 512] ( -> ...Qxf1+)} 37. Rxf8 (37. Rxd3 Rxf1#) 37... Bxf1) 37. Rf4 $11 {Hoping for Qc3.} g5 $2 {[%mdl 8192]} (37... Qe3+ $1 $11 {and Black has nothing to worry.} 38. R4f2 Rfe8) 38. Qc3 $18 gxf4 39. Rxe1 dxe1=Q+ 40. Qxe1 Rg7 $2 (40... f3 {is a better defense.} 41. Qh4 Re6 42. gxf3 Kh6 43. Qf4+ Kh7) 41. Bc2 (41. Qh4 $142 Rgf7 42. Bxh5) 41... f3 $2 (41... Kh8 {is a better chance.} 42. Bxe4 Re8) 42. Bxe4 Rxg2+ 43. Kf1 f2 44. Bxf5+ Rxf5 {[%mdl 4096] Endgame KQ-KRR} 45. Qe7+ Rg7 {[#]} 46. Qxg7+ $3 {[%mdl 512]} Kxg7 {KR-KP} 47. c7 Rf8 48. b5 Kg6 49. b6 {Strongly threatening b7.} axb6 50. axb6 {KR-K3P} Rc8 51. Kxf2 Kg5 52. b7 Rxc7 53. b8=Q Rc2+ 54. Kf3 {White mates.} Rc3+ 55. Ke2 Rc2+ 56. Kd3 Rf2 57. Qg3+ {Precision: White = 33%, Black = 49%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Lalith Babu M R"]
[Black "Ikramul Haq Siam"]
[Result "1-0"]
[Annotator "NA RC"]
[PlyCount "1"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:00:00]} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.14"]
[Round "1"]
[White "Rahman Ziaur"]
[Black "Subrota Biswas"]
[Result "1-0"]
[Annotator "NA RC"]
[PlyCount "1"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Short, Nigel D"]
[Black "Vaishali R"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2656"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,41,13,12,23,102,108,105,117,93,100,108,99,117,33,75,16,15,21,141,161,164,141,320,317,324,324]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 a6 5. cxd5 exd5 6. g3 Bd6 7. Bg2 O-O 8. O-O Re8 9. Bg5 c6 10. Re1 {A13: English Opening: 1...e6} h6 $146 (10... Nbd7 $11 {remains equal.}) ({Predecessor:} 10... Be7 11. Bxf6 Bxf6 12. e4 Be6 13. e5 Be7 14. Qc2 Nd7 15. Rad1 Rc8 16. h4 {½-½ (73) Leko,P (2737)-Zhigalko,S (2661) Kiev 2013}) 11. Bxf6 $1 $16 Qxf6 12. e4 {White is better.} dxe4 13. Nxe4 Qd8 {[#]} 14. Qb3 $1 Bf8 15. Rad1 ({White should try} 15. Ne5 $16 Qc7 16. Bf1) 15... Re7 16. Nc5 ({White should play} 16. Ne5 $16) 16... Rxe1+ $1 $11 17. Rxe1 {And now Ne5 would win.} b6 {[#]} (17... Bxc5 $1 $11 18. dxc5 Nd7) 18. Ne5 $1 $36 {[%mdl 2048] White has strong initiative.} Ra7 19. Bxc6 {Hoping for Bd5.} Qxd4 $2 {[#]} (19... bxc5 $16 {keeps fighting.} 20. Qxb8 Rc7) 20. Ncd7 $1 $18 {[%mdl 512]} Rxd7 21. Bxd7 {Precision: White = 42%, Black = 32%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Karthikeyan, Murali"]
[Black "Vantika Agrawal"]
[Result "0-1"]
[ECO "E66"]
[WhiteElo "2617"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,84,-26,-30,-25,-28,-28,0,-18,-18,-13,-9,-25,-27,-18,-16,-72,27,30,41,53,91,89,93,89,122,57,51,-6,92,93,93,91,91,16,107,82,87,55,65,58,58,43,81,74,88,85,86,75,78,-158,-161,-153,-153,-693,-690,-663,-671,-12840,-12840,-12841,-12841,-12841,-5902]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d4 d6 6. c4 Nc6 7. Nc3 Rb8 8. d5 Na5 9. Nd2 c5 10. a3 {E66: King's Indian: Fianchetto: 6...c5 7 0-0 Nc6 8 d5} (10. Qc2 a6 11. a4 e6 12. b3 exd5 13. cxd5 Ng4 14. h3 Nh6 15. Bb2 f5 16. e3 Nf7 17. Ne2 Bxb2 18. Qxb2 Ne5 19. Qc3 {1-0 (53) Korobov,A (2713)-Ding,L (2711) Antalya 2013}) 10... Qc7 11. Qc2 a6 12. Nd1 b5 {LiveBook: 4 Games} 13. cxb5 axb5 14. b4 {[#]} Nc4 $1 {[%mdl 512]} 15. Nxc4 bxc4 16. Rb1 cxb4 17. axb4 Bf5 $146 ({Predecessor:} 17... e6 18. Nc3 exd5 19. Nxd5 Nxd5 20. Bxd5 {½-½ (34) Csulits,A (2222)-Reichenbach,W (2347) Dresden 2006}) 18. e4 Bd7 19. Nc3 (19. Bb2 $11) 19... e6 (19... Ng4 $17) 20. dxe6 $11 fxe6 21. h3 Bc6 22. Be3 Nd7 23. Rfd1 Ne5 24. f4 ({White should try} 24. b5 $16) 24... Nd3 $14 25. Ne2 (25. b5 $14 Ba8 26. Ne2) 25... Nxb4 (25... Qd7 $11) 26. Qxc4 $16 d5 27. exd5 exd5 28. Qc1 (28. Qc5 $16 Rb5 29. Qc1) 28... Rfc8 (28... Qe7 $11) 29. Qd2 Qd6 30. Rdc1 {aiming for Bc5.} d4 31. Nxd4 Bxg2 32. Kxg2 Rxc1 33. Qxc1 {Strongly threatening Qc4+.} Qd5+ 34. Nf3 Bf8 35. Qd2 {Threatens to win with Qxd5+.} Qe4 36. Rc1 $2 {[#]} (36. Re1 $16 {keeps the pressure on. Ba7 is the strong threat.} Nc2 37. Re2 Nxe3+ 38. Rxe3) 36... Ra8 $1 $17 {[%cal Ra8a2]} 37. Bf2 Ra2 38. Qc3 $2 {[#]} (38. Qd4 $17 Qxd4 39. Nxd4 Rxf2+ 40. Kxf2 Nd3+ 41. Ke3 Nxc1 42. Kd2) 38... Rxf2+ $1 $19 {[%mdl 512] Black is clearly winning.} 39. Kxf2 {Hoping for Rd1.} Nd3+ 40. Kg2 {Black must now prevent Qc4+.} Qe2+ 41. Kh1 Qxf3+ 42. Kh2 Qe2+ {Precision: White = 40%, Black = 47%.} (42... Qf2+ $142 43. Kh1 Qxg3 44. Qc4+ Kg7 45. Qd4+ Kh6) 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Aravindh, Chithambaram VR."]
[Black "Saurabh Anand"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2597"]
[BlackElo "2294"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,128,25,17,44,21,19,10,25,2,23,3,11,-15,-7,-15,-6,-4,0,0,0,0,17,14,25,8,77,66,66,71,76,78,71,79,80,77,72,68,91,86,93,69,79,70,98,93,107,104,109,100,102,104,105,92,96,99,97,98,101,80,93,83,120,120,120,117,120,124,156,156,156,155,158,158,189,163,1391,1303,4169,2772,1016,1008,12836,12836,29979,29980,29981,29982,29982,29983,29983,29984,29983,29984,29984,29986,29985,29987,29987,29988,29988,29988,29988,29989,29989,29990,29990,29991,29991,29992,29995,29996,29998,29999,29999]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 g6 7. e3 Bf5 8. Qd2 Nf6 9. Nge2 {LiveBook: 4 Games. D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} O-O (9... h5 10. Ng3 Be6 11. Bd3 h4 12. Nge2 Bd6 13. f3 Nh5 14. Bxd6 Qxd6 15. g4 hxg3 16. hxg3 Rg8 {1-0 (40) Bernadskiy,V (2584)-Basso,P (2459) Ordu 2018}) 10. h3 $146 ({Predecessor:} 10. Ng3 Be6 11. Bd3 Nbd7 12. O-O h5 13. Bg5 Nh7 14. Bxe7 Qxe7 15. Nge2 Rae8 16. a3 h4 {1-0 (41) Rohan,A (2389)-Senthil,M (2201) Abu Dhabi 2015}) 10... Nbd7 11. Ng3 {The position is equal.} Be6 12. Bd3 Re8 13. Nge2 Nb6 14. Qc2 Rc8 15. O-O Nh5 16. Bh2 Bd6 17. Bxd6 Qxd6 18. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ng7 19. a5 $36 {[%mdl 2048] White fights for an advantage.} Nd7 {[%cal Bb6d7,Bd7c5,Bc5d3][%mdl 32]} 20. Qb3 c5 (20... Rb8 $11) 21. dxc5 $16 ({Don't play} 21. Qxb7 $6 c4 $15) 21... Nxc5 22. Qb4 Red8 23. Rfd1 Nxd3 24. Qxd6 Rxd6 25. Rxd3 Nf5 26. Nf4 g5 27. Nfxd5 {Strongly threatening e4.} Kg7 28. Rad1 {And now Ne4 would win.} Rcd8 29. Nb4 Bb3 30. R1d2 Bc4 31. Rxd6 Rxd6 32. Ne4 Rxd2 33. Nxd2 {[%mdl 4096] Endgame KBN-KNN} Nd6 34. f3 Kf6 35. Kf2 ({Of course not} 35. Nxc4 $6 Nxc4 36. Kf2 Nxb2 $11) 35... Ke5 36. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} f5 37. g4 Bb5 38. Na2 Nc4 39. Nxc4+ Bxc4 {KB-KN} 40. Nc3 f4 41. Ne4 fxe3+ 42. Kxe3 h6 43. Ng3 Be6 44. Ne2 b6 45. Nd4 bxa5 $2 (45... Bd7) 46. Nxe6 $18 Kxe6 {KP-KP} 47. b3 Ke5 {[#]} 48. f4+ $1 {[%mdl 512]} gxf4+ 49. Kf3 Kd4 50. Kxf4 {K3P-K3P. White mates.} Kc3 51. h4 Kxb3 52. g5 hxg5+ 53. hxg5 {KPP-KP} a4 54. g6 a3 55. g7 a2 56. g8=Q+ Kb2 57. Qg2+ Kb1 58. Qf1+ Kb2 59. Qe2+ Kb1 60. Qe1+ Kb2 61. Qb4+ Kc2 62. Qa3 Kb1 63. Qb3+ Ka1 64. Qc2 {[%cal Rc2c1]} a6 65. Qc1# {Precision: White = 67%, Black = 42%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Sandipan, Chanda"]
[Black "Gajwa Ankit"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2573"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,63,89,75,99,56,60,51,98,86,91,96,96,86,180,192,200,195,193,190,154,139,1082,1026,1019,1018,1018,1018,1095,1097,1239,1130,1108,1108,1100,1089,1066,1059,1047,962,1807,1797,1777,1769]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Nf3 h6 8. Be3 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} e5 9. O-O Ng4 10. Bc1 c6 11. d5 f5 12. g3 {LiveBook: 3 Games} cxd5 13. cxd5 {[#]} Nf6 $146 ({Predecessor:} 13... fxe4 14. Nh4 Nf6 15. Nxg6 Rf7 {1-0 (37) Roiz,M (2617)-Gallagher,J (2507) Legnica 2013}) 14. Nh4 Kh7 15. exf5 $1 gxf5 16. Be3 Kg8 17. f4 {Black must now prevent fxe5.} exf4 (17... e4 $16) 18. Rxf4 $18 Ng4 19. Bxg4 fxg4 {[#]} 20. Rxf8+ $1 Qxf8 {[#]} 21. Qd2 $1 $36 {[%mdl 2048] White is in control.} h5 $2 {[%mdl 8192]} (21... Bd7 $16 22. Rf1 Qe7 23. Bxh6 Rf8) 22. Rf1 {White is clearly winning.} Qe7 23. Bg5 Qe5 24. Rf4 Nc5 25. Ng6 Qe8 26. Ne7+ Kh8 {[#]} 27. Rf8+ $1 {[%mdl 512]} Qxf8 28. Ng6+ Kg8 29. Nxf8 Bxf8 30. Bh6 {Intending Qg5+ and mate.} Be7 31. Qc2 {White wants to mate with Qg6+.} Kf7 32. Nb5 {Precision: White = 96%, Black = 33%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Tukhaev, Adam"]
[Black "Sai Vishwesh.C"]
[Result "1/2-1/2"]
[ECO "A39"]
[WhiteElo "2551"]
[BlackElo "2288"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,43,39,72,78,88,81,177,70,64,53,58,29,29,29,29,37,41,33,39,32,50,33,80,73,112,64,204,94,75,68,339,143,166,0,23,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 cxd4 8. Nxd4 Ng4 9. e3 d6 10. b3 {LiveBook: 270 Games. A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4} (10. h3 Nge5 11. b3 a6 12. Nde2 Rb8 13. Bb2 Nd7 14. Qd2 Nc5 15. Rfd1 Bd7 16. Nd5 Bxb2 17. Qxb2 b5 18. cxb5 Rxb5 19. Rac1 Nb4 20. Nxb4 Rxb4 {1-0 (36) Efimenko,Z (2695)-Ovsejevitsch,S (2572) Mukachevo 2012}) 10... Qa5 11. Nd5 $146 {Hoping for Nxc6.} ({Predecessor:} 11. Bb2 Qh5 12. h3 Nge5 13. Qxh5 gxh5 14. Nd5 Kh8 15. f4 Ng6 16. Nc7 Rb8 17. Nxc6 bxc6 18. Bxg7+ Kxg7 19. Bxc6 Bxh3 {0-1 (39) Toth,S (2150)-Szieberth,A (2341) Hungary 2012}) 11... Nge5 12. Bb2 {White is better.} Be6 (12... Qd8 $16 {might work better.}) 13. Nxc6 (13. Bc3 $18 Qd8 14. Nxe6 fxe6 15. Nf4) 13... Nxc6 $14 14. Bxg7 Kxg7 15. Qe2 Bxd5 16. Bxd5 Qc5 17. Rfd1 a5 18. Rab1 Qa3 19. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nb4 20. Rd2 Rab8 21. h5 Rfc8 22. Kg2 Rc5 {[#]} (22... a4 $14) 23. Rh1 (23. e4 $1 $18 {and the rest is easy.}) 23... Nxd5 $16 24. cxd5 a4 $2 {[%mdl 8192]} (24... Rc1 $14) 25. Qg4 (25. Rd4 $18 {and White stays clearly on top.} axb3 26. hxg6 fxg6 27. Qg4) 25... axb3 26. Qh4 $2 (26. hxg6 $18 hxg6 27. Qd4+ f6 28. Qe4) 26... Rc1 27. h6+ Kf8 {The position is equal.} 28. Qd4 {[%cal Rd4h8] [#]} f6 29. Rxc1 Qxc1 30. axb3 $11 {[%mdl 4096] Endgame KQR-KQR} Ra8 31. Rd1 Qc2 32. Rd2 Qc1 {...Ra1 is the strong threat.} 33. Rd1 Qc2 34. Rd2 Qxb3 35. Rb2 Qa4 36. Qxa4 Rxa4 37. Rxb7 {Black should prevent Rb8+. KR-KR} g5 38. f4 gxf4 39. gxf4 Kf7 40. Kf3 Ra1 41. e4 Rh1 42. f5 Rxh6 43. Rb8 Rh3+ 44. Kg4 Re3 45. Kf4 Ra3 46. Rh8 Kg7 47. Re8 Ra7 48. Kg4 {Precision: White = 51%, Black = 30%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Burmakin, Vladimir"]
[Black "Vatsal Singhania"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "2528"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,63,6,17,21,14,-13,0,0,0,0,22,20,17,14,18,26,28,16,21,0,0,0,12,14,9,18,85,77,85,100,258,254,354,348,547,471,462,463,476,268,504,307]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. a4 Bd7 9. Rd1 {E05: Open Catalan: 5 Nf3 Be7} Bc6 10. Bg5 a5 11. Nbd2 Na6 12. Nxc4 Nb4 {LiveBook: 6 Games} 13. Qc1 {[#]} Bd5 $146 ({Predecessor:} 13... h6 14. Bxf6 Bxf6 15. Nfe5 Bd5 16. Qc3 b6 {½-½ (36) Dubov,D (2666)-Aronian,L (2799) Tbilisi 2017}) 14. Ne1 {[%cal Bf3e1,Be1c2,Bc2e3,Be3d5][%mdl 32]} b6 15. b3 Rc8 16. Qb2 Ne4 17. Bxe7 Qxe7 18. Rac1 Rfd8 19. Nc2 Nf6 20. N2e3 h6 21. Nxd5 exd5 22. Ne5 c5 23. Nd3 cxd4 24. Qxd4 Qxe2 (24... Na2 $11 {keeps the balance.} 25. Rxc8 Rxc8) 25. Nxb4 $16 axb4 26. Qxb6 d4 $2 {[#]} (26... Rb8 $16 {is a better defense.} 27. Qc7 Qe6) 27. Bf1 $18 Qf3 28. Rd3 ({Less strong is} 28. Rxd4 Rxc1 29. Qxd8+ (29. Rxd8+ Kh7 $14) 29... Kh7 $16) 28... Qh5 (28... Qf5 $142 29. Rxc8 (29. Rxd4 Rxc1 30. Qxd8+ Kh7 $18) 29... Rxc8 30. Rxd4 (30. Qxd4 Ng4 $16) 30... Nd7) 29. Rxc8 Rxc8 30. Rxd4 Rc1 {[#] White must now prevent ...Qe2.} 31. Qb5 (31. Kg2 $142 Ng4 32. h3 Rxf1 33. Kxf1 Qxh3+ 34. Ke2) 31... Qh3 $2 (31... Qxb5 32. axb5 Rc8 33. Rxb4 Nd5) 32. Qe2 {Precision: White = 74%, Black = 32%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Shyam, Sundar M."]
[Black "Navalgund, Niranjan"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2518"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,95,0,0,0,8,8,0,67,87,94,87,135,129,306,310,325,318,304,304,304,313,322,335,404,397,377,370,406,393,493,495,485,501,493,479,752,757,706,621,867,520,504,419,506,504,467,463,452,451,522,518,640,445,736,650,4982,5081,2438,1894,1614,1448,29972,29971,29974,29975,29973,29960]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. c4 c6 12. Nc3 b4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 13. Ne2 Nxe4 14. Qc2 f5 15. c5+ d5 16. Be3 {LiveBook: 6 Games} Kh8 17. Nxe5 Nxe5 18. dxe5 {[#]} f4 $146 ({Black should play} 18... Bh4 $1 $11) ({Predecessor:} 18... Bh4 19. g3 Bg5 20. Bxg5 Qxg5 {1-0 (46) Grandelius,N (2652)-Amin,B (2700) Sharjah 2018}) 19. Nxf4 $14 Bf5 20. g4 Bc8 21. Rad1 $36 {[%cal Rf4d5][%mdl 2048] [#] aiming for Nxd5! White has strong initiative.} Rxf4 $2 (21... Ng5 $16) 22. Bxf4 $18 {And now Rxe4 would win.} Nxc5 23. Be3 Qf8 24. Rc1 Nxb3 25. axb3 ({Weaker is} 25. Qxb3 Bb7 $16) 25... Bd7 26. Bc5 h5 27. e6 Be8 28. Re5 Bxc5 29. Qxc5 Qf6 30. Qe3 Kg8 31. e7 hxg4 32. hxg4 Qh4 (32... Qg6 $142 33. Qd4 Bd7 34. Rxd5 cxd5) 33. Rg5 Qh6 34. Rf5 Bd7 {If only Black now had time for ...Qxe3....} 35. Qxh6 gxh6 {[%mdl 4096] Endgame KRR-KRB} 36. Rf6 Re8 37. Re1 Kg7 38. Rd6 Bxg4 39. Rxc6 Kf7 40. Rxh6 Bf5 41. Re5 Be4 (41... Bg6 $142 42. Rxd5 Rxe7) 42. Kf1 Rxe7 43. Rxe7+ Kxe7 {KR-KB} 44. Ke2 Bc2 45. Rxa6 Bxb3 46. Rb6 {White mates.} Bc4+ 47. Ke3 b3 48. Kd4 {Precision: White = 96%, Black = 40%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Tran, Tuan Minh"]
[Black "Neelash Saha"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2512"]
[BlackElo "2280"]
[Annotator "TA"]
[PlyCount "167"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,167,29,27,27,16,43,20,47,28,31,18,30,29,25,10,19,0,12,1,14,0,14,14,11,18,18,18,29,19,17,23,14,19,45,0,22,0,10,2,9,26,138,0,0,0,0,0,0,0,0,0,0,0,8,2,8,8,12,12,22,21,14,18,18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,0,0,0,8,0,8,8,8,8,28,24,24,29,26,0,0,0,29,13,46,47,57,57,57,57,69,64,68,68,68,68,75,65,65,65,67,0,46,0,65,47,50,59,76,69,107,93,306,302,279,253,400,389,761,755,751,743,754,740,731,724,12056,12036,29941,11482,29975,29969,29985,29986,29986,29985,29986,29987,29988,29989,29997,29990]} 1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 Bb4 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} c6 (6... Ne4 7. Qa4+ Nc6 8. Rc1 O-O 9. g3 g5 10. Be3 f5 11. Bg2 f4 12. gxf4 Bxc3+ 13. bxc3 gxf4 {0-1 (21) Svidler,P (2768)-Mamedyarov,S (2804) Wijk aan Zee 2018}) 7. e3 {LiveBook: 7 Games} Ne4 8. Rc1 {White has an edge.} Qa5 {[%cal Re4c3]} 9. Qb3 Bd6 $146 ({Predecessor:} 9... O-O 10. a3 Bd6 11. Bxd6 Nxd6 12. Bd3 Nd7 {0-1 (34) Behnke,M-Bieringer,K Bad Wiessee 1997}) 10. Bxd6 (10. Bd3 {seems wilder.} Bxf4 11. exf4 O-O 12. O-O Nd6 13. Rfe1) 10... Nxd6 11. Bd3 O-O 12. O-O Nd7 13. a3 Qd8 14. Na4 Qe7 15. Rfe1 Nf6 16. Nc5 Rb8 17. Ne5 Bf5 18. Bxf5 Nxf5 19. f3 Rfd8 20. Qd3 Nd6 21. b4 Rbc8 22. a4 g6 23. e4 Qf8 24. Qe3 dxe4 25. fxe4 b6 26. Ncd3 Qe8 {[#]} (26... Nfxe4 $11 27. Nxc6 Re8) 27. Qf3 ({White has to play} 27. Nf2 $1 $16) 27... Nfxe4 $1 $11 28. Rxe4 Nxe4 29. Qxe4 f6 30. Ng4 Qxe4 31. Nxf6+ Kg7 (31... Kf7 {is more complex.} 32. Nxe4 Rxd4 33. Nef2 Ke6 34. g3 Kd6) 32. Nxe4 {Strongly threatening Ng5.} Rxd4 33. Nef2 Re8 34. g3 Re6 35. Kg2 Red6 36. Rc3 g5 37. Kf3 Re6 38. Ng4 h5 39. Nge5 Kf6 40. Nc4 Rde4 41. Rc2 Rd4 42. Rc3 Rde4 43. Rc2 Rd4 44. Ncb2 Rde4 45. a5 Rd4 46. Rc3 Rde4 47. Rc2 Rd4 48. h3 Rd5 49. g4 hxg4+ 50. hxg4 bxa5 51. Nc5 Re1 52. bxa5 Rf1+ 53. Kg3 Rg1+ 54. Kf3 Rf1+ 55. Ke3 Re5+ 56. Ne4+ Ke7 {Threatens to win with ...Re1+.} 57. Nd3 Rxa5 58. Rxc6 Rg1 59. Kf3 {Ndc5 is the strong threat.} Kf7 60. Nd6+ Kf8 61. Rc8+ Ke7 62. Nf5+ Kd7 63. Rc3 Ke8 64. Rc8+ Kd7 65. Rc3 Ke8 $1 66. Nf2 Ra4 67. Nd6+ Kd7 68. Nde4 {And now Nc5+ would win.} Ra5 69. Nh3 Rga1 $2 {[#]} (69... Rf1+ $16 70. Kg3 Raa1) 70. Nc5+ $1 $18 ({Not} 70. Nexg5 R1a3 $11) (70. Nhxg5 R5a3 $14) 70... Ke7 71. Nb3 ({Stronger than} 71. Nxg5 R1a3 $11) 71... Rf1+ (71... R1a3 {was worth a try.} 72. Re3+ Kd6 73. Nxa5 Rxa5) 72. Kg2 Ra4 $2 (72... Raa1 73. Nxa1 Rxa1 74. Nxg5 a5) 73. Kxf1 Rxg4 74. Kf2 Kf6 75. Rc6+ Kf5 76. Rc5+ Kf6 77. Nd2 a5 78. Rxa5 (78. Nxg5 $142 Ra4 79. Nde4+ Kg6 80. Ke3 Ra3+ 81. Kf4 Ra1 82. Rc6+ Kg7 83. Ne6+ Kg6 84. N6g5+ Kg7 85. Ng3) 78... Kg6 79. Nf3 {White mates.} Kh5 80. Nhxg5 Kh6 81. Ra6+ Kg7 82. Ke3 Rb4 83. Nd4 Rb7 84. Nde6+ {Precision: White = 60%, Black = 42%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Erigaisi Arjun"]
[Black "Tiwari, Arjun"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2488"]
[BlackElo "2276"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,48,64,47,65,54,55,14,83,52,116,116,131,110,152,110,202,208,223,223,222,212,262,260,256,218,273,265,262,193,311,284,331,306,407,355,400,339,513,509,508,508,701,693,652,477,471,443,671,688,932,907,6241,6211,6216,6183]} 1. d4 g6 2. e4 Bg7 3. Nf3 c6 4. Bd3 d5 5. e5 c5 {LiveBook: 4 Games} 6. dxc5 {B06: Modern Defence} Nc6 7. Bb5 Bg4 8. Bf4 {White is slightly better.} Nh6 $146 (8... Qa5+ $11 9. Nc3 a6 10. Bxc6+ bxc6) ({Predecessor:} 8... Qa5+ 9. Nc3 a6 10. Bxc6+ bxc6 11. h3 Bxf3 12. Qxf3 Qxc5 13. O-O {1-0 (39) Ju,W (2558)-Stefanova,A (2509) Huaian 2016}) 9. Nc3 O-O (9... e6 $14) 10. Qxd5 $16 Bxf3 11. Qxf3 Nxe5 12. Qe4 Neg4 {[#]} (12... Nc6 $16 {was called for.}) 13. O-O $1 $18 ({Don't do} 13. Qxb7 $6 Qd4 $14) 13... e5 14. Bxh6 Nxh6 15. Qxb7 Nf5 16. Bc4 Nd4 17. Bb3 Kh8 {[#]} 18. Ne4 $1 Rb8 19. Qxa7 {Threatens to win with Nd6.} Qh4 (19... Ra8 {was worth a try.} 20. Qb6 Qxb6 21. cxb6 Rab8) 20. Nd6 e4 21. Nxf7+ Rxf7 22. Qxb8+ (22. Bxf7 $2 {too greedy.} Be5 $19) 22... Rf8 23. Qd6 Rf5 (23... Rd8 $142 24. Qc7 Re8) 24. Kh1 {White is clearly winning.} Be5 {[%csl Ge5][%cal Rh4h2]} 25. g3 Qh3 26. Qd8+ Kg7 {( -> ...Nf3)} 27. Qh4 Qxh4 28. gxh4 Rf3 (28... Rf4 $142 29. c3 Nf3) 29. Rae1 Rh3 30. f4 {[%cal Bf2f4,Bf4e5][%mdl 32]} Nf3 31. Rxf3 exf3 32. fxe5 {Precision: White = 82%, Black = 34%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Harsha Bharathakoti"]
[Black "Dixit, Nikhil"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2463"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,64,71,48,88,87,76,94,101,106,151,144,135,142,139,135,173,1,15,0,0,4,45,0,0,0,0,0,0,-146,-142,-256,-268,-208,-237,-227,-236,-243,-227,-29988,-29987,-29989,-29990,-29995,-29996]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 {[%cal Bg1f3,Bf3d4,Bd4e2][%mdl 32]} Nbd7 7. O-O a6 8. e4 e5 9. Qc2 exd4 10. Nxd4 Ne5 11. b3 c5 12. Nde2 $1 {LiveBook: 14 Games} Bd7 $146 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} ({Predecessor:} 12... Rb8 13. a4 Re8 14. h3 b6 15. Bg5 h6 16. Be3 h5 17. Rad1 Qc7 18. Rd2 Bb7 19. Rfd1 Bf8 20. Nf4 {½-½ (50) Epishin,V (2635)-Polgar,J (2630) Madrid 1995}) 13. Bb2 b5 14. f4 Nc6 {White is better.} 15. Rad1 Nd4 16. Nxd4 cxd4 17. Rxd4 Qb6 18. Qd2 b4 19. Ne2 $2 (19. Nd1 $1 $18) 19... Rae8 $1 $11 20. c5 Qxc5 {White must now prevent ...Nxe4.} 21. Kh1 Qh5 {aiming for ...Bc6.} 22. Ng1 (22. f5 $5) 22... Bc6 $1 {[%cal Rf6e4]} 23. e5 Bxg2+ 24. Qxg2 Ng4 $40 {[%mdl 128] Strongly threatening ...Ne3. Black has some attack.} 25. Qh3 (25. Qe2 $11 {remains equal.}) 25... Qf5 $1 $17 ({Of course not} 25... dxe5 $6 26. Qxh5 gxh5 27. Rxb4 $11) 26. Rxd6 (26. Rd2 $17) 26... Rd8 $1 $19 {[%cal Rd8d6]} 27. Rxd8 Rxd8 28. Bc1 {[#] White wants to play Qg2.} Rc8 $1 {[%cal Rc8c2]} 29. Qg2 Rc2 30. Qa8+ $2 {[#]} (30. Ne2 $19 Qd3 31. Re1) 30... Bf8 $1 {[%csl Gg4][%cal Rc2h2] Black mates.} 31. Nf3 {[#]} Nxh2 $1 {[%mdl 512]} 32. Nd4 (32. Nxh2 Qh3) 32... Qh3 {Precision: White = 35%, Black = 68%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Raja Rithvik R"]
[Black "Gupta, Abhijeet"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2316"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,134,11,15,26,6,30,16,43,37,100,105,144,132,143,120,142,90,94,51,51,58,56,52,52,56,88,87,129,117,133,119,168,155,179,173,179,139,205,97,213,105,203,173,197,193,243,172,171,168,241,201,198,183,189,179,528,504,639,633,623,629,630,622,612,545,502,0,574,530,654,640,885,868,975,919,1004,903,716,656,29977,29974,29974,121,105,98,112,7,75,8,8,8,8,8,38,7,12,0,0,0,0,0,0,0,0,0,0,0,0,0,8]} 1. Nf3 Nf6 2. c4 Nc6 3. d4 e6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 d6 7. Bg2 O-O 8. O-O e5 9. d5 Nb8 10. e4 a5 11. Ne1 Na6 12. Nd3 Qe7 13. Qc2 Bd7 14. Qc3 {LiveBook: 6 Games. E11: Bogo-Indian} b5 15. Rac1 (15. c5 Nxc5 16. Nxc5 dxc5 17. Rfc1 c4 18. a4 c6 19. dxc6 Bxc6 20. axb5 Bxb5 21. Rxa5 Rxa5 22. Qxa5 {½-½ (33) Vorobiov,E (2570)-Khismatullin,D (2656) Taganrog 2011}) 15... b4 $146 16. Qc2 {White has an edge.} c6 17. c5 {[%cal Bc4c5,Bc5d6][%mdl 32]} cxd5 ({Black should try} 17... Nxc5 $1 $14 18. Nxc5 dxc5) 18. cxd6 $16 Qe8 19. exd5 e4 20. Nxe4 Nxe4 21. Rce1 (21. Rfe1 $142) 21... Bf5 {[#]} 22. d7 $1 {[%mdl 512]} Qxd7 23. Bxe4 Bxe4 24. Rxe4 Qxd5 25. Re5 $36 {[%mdl 2048] White is pushing.} Qd8 26. Rd1 Qf6 27. Rxa5 Qb6 28. Re5 Rac8 29. Qb3 h6 30. Rde1 Rcd8 31. a3 Rb8 (31... Rd4 $16 {is a better defense.} 32. Re8 Nc5 33. Nxc5 (33. Rxf8+ Kxf8 34. Nxc5 Qxc5 $16) 33... Qxc5) 32. Nf4 (32. a4 $18 {and White stays clearly on top.}) 32... Kh8 (32... bxa3 $16 {keeps fighting.} 33. Qxb6 (33. Qxa3 Nc7 $16) 33... Rxb6) 33. Qe3 (33. a4 $1 $18) 33... Qd6 (33... bxa3 $16 34. bxa3 (34. Qxa3 Nb4 $16) 34... Qxe3 35. R1xe3 (35. R5xe3 g5 $16) 35... g5) 34. Rd5 Qc6 35. Rc1 Qb7 36. Rd6 bxa3 37. bxa3 Rbc8 (37... Rfc8 $142 38. Rxc8+ Rxc8) 38. Rxc8 Rxc8 39. Nd5 Qb1+ 40. Kg2 Nc5 $2 (40... Nc7 41. Qf3 Nxd5) 41. Ne7 $1 $18 {[%cal Re7c8]} Rb8 42. Qxc5 {Black must now prevent Qd5.} Qe4+ 43. Kh3 Re8 44. Rd7 Qe2 45. Kg2 Qe4+ 46. Kh3 Qe2 47. Qe3 Qf1+ 48. Kh4 {aiming for Ng6+!} Qc4+ 49. f4 {Strongly threatening Ng6+.} Kh7 50. Qe5 Qa2 51. Kh3 {Threatens to win with Qe4+.} Qc4 52. Qd5 Qf1+ 53. Kh4 Qe2 54. Qd3+ $2 (54. Qf5+ {mates} Kh8 55. Qxf7 Qxh2+ 56. Kg4 Qe2+ 57. Kh3 Rxe7 58. Qxe7 Qh5+ 59. Kg2) 54... Qxd3 $16 55. Rxd3 Rxe7 {[%mdl 4096] Endgame [#] KR-KR} 56. Rd2 (56. a4 $1 $16) 56... Re4 {[#]} (56... Ra7 $1 $11) 57. Kg4 ({Better is} 57. Rd7 $1 $16) 57... Ra4 $11 58. Rd3 Kg6 59. Kf3 Kf5 60. g4+ Kf6 {The position is equal.} 61. h4 g5 62. fxg5+ hxg5 63. h5 Kg7 64. Rb3 Kh6 65. Kg3 Kg7 66. Rc3 Ra5 67. Rb3 Ra4 {Precision: White = 55%, Black = 37%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Pranav, V."]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2315"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,161,-51,-41,-67,-16,-12,-22,-24,-9,-35,-27,-64,-68,-73,-72,-59,-74,-66,2,8,4,-13,-16,-19,-18,-9,-14,-10,-10,-10,-13,-10,-7,-16,-16,-103,-111,-135,-135,-124,-145,-225,-232,-295,-284,-295,-292,-277,-299,-330,-323,-310,-291,-291,-288,-270,-271,-253,-245,-303,-303,-293,-296,-368,-367,-363,-323,-423,-420,-472,-500,-482,-490,-512,-489,-474,-460,-502,-497,-471,-475,-537,-530,-762,-762,-742,-741,-694,-653,-656,-648,-810,-793,-1032,-989,-848,-724,-724,-718,-915,-916,-902,-892,-918,-863,-1276,-1225,-1122,-1101,-1908,-1866,-2981,-2500,-29951,-29952,-29952,-29951,-29953,-29954,-29952,-29955,-29950,-29952,-29977,-29975,-29984,-29985,-29984,-29976,-29976,-29977,-29972,-29964,-29961,-29964,-29963,-29966,-29961,-29965,-29961,-29964,-29961,-29948,-10029,-2919,-29959,-5915,-29983,-29963,-29997,-29998,-29998,-29999,-29999]} 1. e4 c6 2. Nc3 d5 3. Qe2 d4 4. Nb1 e5 5. g3 c5 6. Bg2 $146 {B11: Caro-Kann: Two Knights Variation} ({Predecessor:} 6. d3 Nc6 7. a4 Bd6 8. Bh3 Nge7 9. Bd2 Bxh3 10. Nxh3 Qd7 {½-½ (28) Zvjaginsev,V (2643)-Tomashevsky,E (2710) Sochi 2017}) 6... d3 (6... Nc6 $15) 7. Qxd3 $11 Qxd3 8. cxd3 {The position is equal.} Nc6 9. Nc3 Be6 {[%mdl 1024] Black has compensation.} 10. Nge2 O-O-O 11. O-O f6 ({Much worse is} 11... Rxd3 $6 12. f4 $11) 12. b3 Nb4 13. f4 Nh6 ({Black should play} 13... Ne7 $15) 14. fxe5 fxe5 15. Bb2 Nxd3 16. Ba3 $1 c4 17. Bxf8 Rhxf8 18. Nd5 cxb3 19. axb3 Kb8 20. Nec3 Ng4 21. Rxf8 Rxf8 22. Bf1 (22. b4 $11) 22... Ngf2 $17 23. Bxd3 Nxd3 24. b4 {[#]} Bh3 $1 25. Ne3 (25. Rd1 $17) 25... Nxb4 $19 26. Ncd1 {[#]} Nc2 $1 {[%mdl 512]} 27. Ra2 (27. Nxc2 Rf1#) 27... Ne1 28. Nf2 Be6 ({Don't play} 28... Nf3+ 29. Kh1 $19) 29. Ra5 b6 30. Rb5 Bd7 31. Rb1 Nf3+ 32. Kg2 Be6 33. d3 Nd4 34. Neg4 Nc6 35. Ne3 Kb7 36. Nfd1 Rd8 37. Nb2 Nb4 38. Nbc4 Nxd3 39. Na5+ Kc7 40. Nac4 Rd4 41. Nd2 Nc5 42. Rb2 Nxe4 43. Nf3 Rd3 44. Rc2+ Kb7 45. Re2 Nc3 46. Re1 e4 47. Ng5 Bg8 48. Nf5 Rd5 49. g4 g6 50. Nh6 Rxg5 51. h4 Re5 52. Nxg8 {[%mdl 4096] Endgame KRN-KRN} h5 53. Nf6 hxg4 54. Kg3 Re6 55. Nxg4 b5 {[%cal Bb6b5,Bb5b4,Bb4b3,Bb3b2][%mdl 32]} 56. Kf4 b4 57. Ne5 b3 58. Nc4 Ka6 59. Ra1+ Kb5 60. Nd2 b2 61. Rxa7 e3 62. Rb7+ Kc6 63. Rxb2 e2 64. Nf3 Rf6+ 65. Kg4 Kd5 ({Not} 65... Rxf3 66. Rxe2 Rd3 67. Re6+ Kd5 68. Rxg6 $11) 66. Rc2 Ke4 67. Ne1 Rf1 68. Rc1 Nd1 69. Rc4+ Kd5 70. Rc8 Ne3+ 71. Kg3 Nf5+ 72. Kg2 Nxh4+ 73. Kg3 Nf5+ 74. Kg2 Rxe1 {KRN-KR} 75. Kf2 Ra1 76. Kxe2 Ke4 77. Rg8 Ra2+ (77... Ra6 $142 78. Kd2 Kf4 79. Rc8 Rd6+ 80. Ke2 g5 81. Ra8 g4 82. Ra4+ Rd4 83. Ra1 g3 84. Rf1+ Kg4 85. Rh1 g2 86. Rg1 Kg3 87. Rc1 Kh2 88. Rb1 g1=Q 89. Rxg1 Kxg1 90. Kf3 Kh1 91. Kf2 Kh2 92. Kf1 Kg3 93. Ke2 Kg2 94. Ke1 Kf3 95. Kf1 Rd1#) 78. Kf1 Kf3 {[%cal Ra2a1] Black mates.} 79. Kg1 Rg2+ 80. Kf1 Ne3+ 81. Ke1 Re2# {Precision: White = 37%, Black = 85%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Sekar, B."]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "C96"]
[WhiteElo "2304"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,104,12,6,-11,0,-15,-21,-17,-4,-21,-13,-23,26,22,29,31,43,33,38,31,35,36,25,29,38,-1,0,-2,-1,-16,0,0,0,0,0,0,70,78,77,0,67,0,68,0,0,-66,-64,-62,-62,-52,-62,-102,-101,-121,-102,-165,-162,-174,-174,-302,-171,-170,-157,-276,-300,-303,-290,-279,-259,-414,-406,-490,-488,-585,-574,-485,-444]} 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 Na5 10. Bc2 c5 11. d4 Nd7 12. Nbd2 exd4 13. cxd4 Re8 {C96: Closed Ruy Lopez: Chigorin Defence: 11 d4, replies other than 11...Qc7} 14. Nf1 Nc6 15. d5 Nce5 {[#] LiveBook: 4 Games. The position is equal.} 16. N1h2 $146 ({Predecessor:} 16. N3h2 Bh4 17. Re2 c4 18. Be3 Qc7 19. f4 Ng6 20. Qd2 Nc5 21. Bd4 {1-0 (38) Paravyan,D (2528)-Romanov,E (2619) Sochi 2016}) 16... Nxf3+ 17. Qxf3 Ne5 18. Qd1 Bf6 19. Rb1 a5 20. b3 a4 21. bxa4 b4 22. a3 bxa3 23. Bxa3 Nc4 24. Bc1 Bd7 25. Ng4 Bd4 26. Qd3 Qa5 27. Rf1 {[#] And now e5 would win.} Qc3 28. Qxc3 Bxc3 29. Bd3 h5 30. Ne3 Nxe3 31. Bxe3 Bxa4 32. Rb6 Rad8 (32... Be5 $1 $11) 33. Rc1 $14 Be5 34. Ra6 (34. f4 $16 Bf6 35. Kf2) 34... Bb3 (34... Ra8 $11) 35. Rb6 (35. f4 $5 {[%cal Rf4e5]} Bf6 36. Kf2 $16) 35... Ba4 36. Ra6 ({White should try} 36. f4 $14 Bf6 37. Kf2) 36... Ra8 37. Rxa4 (37. Rb6 $11) 37... Rxa4 $15 38. Bb5 Rea8 39. Bxa4 Rxa4 {[%mdl 4096] Endgame KRB-KRB} 40. f3 h4 41. Re1 f6 42. Bf2 (42. Kf1 $17 {is a better defense.}) 42... g5 $19 43. Kf1 Kf7 44. Rd1 {[#]} (44. Rb1 $142) 44... Ra2 (44... f5 $142 $1 {[%mdl 512]} 45. exf5 Kf6) 45. Be3 Kg6 46. Rd2 (46. Rc1 $17) 46... Ra3 47. Bf2 f5 48. Ke2 Ra4 49. exf5+ (49. Kd3 {keeps fighting.}) 49... Kxf5 50. Be3 Bf4 {Black is clearly winning.} 51. Bxf4 Kxf4 (51... Rxf4 $2 52. Ra2 $19) 52. Kf2 Rd4 {Precision: White = 39%, Black = 59%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Mohammad Fahad Rahman"]
[Black "Lalith Babu M R"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "2296"]
[BlackElo "2531"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,44,49,93,64,76,80,79,86,78,27,20,-37,-27,-62,-33,-62,-39,-52,0,-71,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 g6 {B11: Caro-Kann: Two Knights Variation} 7. d4 Bg7 8. Be3 Ne7 {LiveBook: 4 Games. White is slightly better.} 9. g4 Nd7 10. O-O-O Qa5 11. Kb1 a6 $146 ({Predecessor:} 11... b5 12. exd5 cxd5 13. Nxb5 O-O 14. Bf4 {1-0 (26) Malakhov,V (2605)-Mateuta,G (2409) Yerevan 2000}) 12. Bg5 (12. h4 $16) 12... b5 $11 {[#] Hoping for ...b4.} 13. Bxe7 (13. exd5 $11 cxd5 14. a3) 13... Kxe7 $15 14. exd5 cxd5 {aiming for ...b4.} 15. Nxd5+ exd5 16. Qxd5 {[#] And now Rhe1 would win.} Rae8 ({Black should play} 16... Qd8 $1 $15) 17. Bf3 (17. Rhe1 $11 {keeps the balance.} Kd8 18. g5) 17... Qb6 (17... Rd8 $17) 18. Rhe1+ $11 {The position is equal.} Kd8 19. Qa8+ Nb8 20. Qd5+ $1 Nd7 $1 21. Qa8+ Nb8 22. Qd5+ Nd7 $1 {Precision: White = 34%, Black = 52%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Aronyak Ghosh"]
[Black "Narayanan, Srinath"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "2294"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,94,43,31,30,33,46,39,35,30,35,25,28,-7,-10,0,6,-50,-43,-58,-46,-52,-32,-122,-86,-208,-208,-282,-276,-262,-270,-262,-237,-258,-166,-204,-171,-197,-180,-163,-168,-179,-156,-156,-156,-156,-157,-157,-156,-156,-160,-152,-91,-89,-87,-99,-92,-95,-97,-113,-103,-111,-96,-110,-105,-113,-116,-134,-142,-224,-224,-237,-236,-214,-221,-296,-222,-315,-310,-577,-544,-733,-735,-691,-683]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Nf6 6. e3 d6 {A27: English Opening: Three Knights Variation} 7. Be2 {LiveBook: 3 Games} g6 8. h4 Bh6 {White is slightly better.} 9. b3 $146 ({Predecessor:} 9. Nh3 Ne7 10. d5 Bg7 11. Qd2 c6 12. dxc6 bxc6 13. Nf4 O-O 14. b3 {½-½ (55) Videki,S (2415)-Norri,J Espoo 1989}) 9... Qe7 10. Bb2 Nd8 11. d5 a6 12. g4 Bg7 {[%cal Rf6g4]} 13. gxf5 Bxf5 14. Qd2 (14. Qc2 $1 $11) 14... h6 $15 15. Nh3 g5 16. O-O-O Nf7 17. c5 (17. Qc2 $15) 17... dxc5 $17 18. d6 (18. Na4 $17 {keeps fighting.}) 18... Nxd6 $19 ({But not} 18... Qxd6 19. Qc2 $17) 19. Nd5 Nxd5 20. Bh5+ Kd7 21. Qxd5 Bxb2+ 22. Kxb2 Bxh3 23. Rxh3 {Bg4+ is the strong threat.} Qe6 ({Stronger than} 23... gxh4 24. Bg4+ Ke8 25. Rxh4 $1 $11 {[%mdl 512]}) 24. f3 Qxd5 25. Rxd5 Kc6 26. fxe4 Nxe4 27. Re5 Nf2 28. Bf3+ Kb6 29. Re6+ c6 30. Rh2 Nd3+ 31. Kc3 Rhd8 (31... Nb4 $142 32. a3 Rhe8 33. Rxe8 Rxe8) 32. Rxh6 $17 gxh4 33. Be4 Ne5 {Strongly threatening ...Ng4.} 34. R2xh4 Re8 35. Rf4 Rad8 36. Rh3 Rg8 37. Rf2 Rg4 38. Rf4 Rg1 39. Rh5 Re8 40. Bc2 {[#]} (40. Bf5 $17) 40... Ng4 $1 $19 41. e4 {Threatens to win with Rg5.} Rg3+ 42. Kb2 Ne3 {aiming for ...Rg2.} 43. Rh2 a5 44. Rf7 (44. e5 {was worth a try.}) 44... c4 {[%cal Bc5c4,Bc4c3][%mdl 32]} 45. Re2 $2 (45. Rhh7 Rg2 46. Kc3 (46. Rxb7+ $2 Kc5 $19) 46... Nxc2 47. Rxb7+ Kc5 48. bxc4) 45... Rd8 {Black is clearly winning.} 46. Rh7 {[#]} c3+ $1 {[%mdl 512]} 47. Ka3 (47. Kxc3 Nd1+) 47... Rd2 {Precision: White = 31%, Black = 85%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Prasad, Devaki V"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2284"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,97,33,5,49,34,47,48,50,41,47,40,37,35,50,0,0,0,8,19,21,0,116,106,129,121,135,138,126,60,121,73,131,106,129,115,135,123,206,225,210,235,193,229,253,248,235,247,468,431,551,500,597,583,693,873,870,850,1418,959,1694,1665,1639,1592,1556,1506,1379,1343,1118,764,762,704,6594,5685]} 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 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bd7 13. Nf1 Nc4 14. d5 {LiveBook: 14 Games} a5 {C97: Closed Ruy Lopez: Chigorin Defence: 11 d4 Qc7, sidelines} 15. a4 Nb6 16. axb5 Bxb5 {[#] White is slightly better.} 17. Ne3 $146 ({Predecessor:} 17. Ng3 g6 18. Nh2 Rfe8 19. Ng4 Nxg4 20. hxg4 Qd8 21. Nf1 Bxf1 22. Rxf1 {½-½ (38) Leko,P (2555)-Frolov,A (2540) Moscow 1994}) 17... g6 18. Nh2 h5 19. Qf3 Nh7 20. g4 h4 21. Qd1 Kg7 22. Nf3 Rh8 23. Kh1 Nf8 (23... Ng5 $11 {keeps the balance.} 24. Nf5+ gxf5 25. Bxg5 f6) 24. Rg1 $16 Nfd7 25. g5 c4 26. Ng4 Nc5 27. Nh6 (27. Be3 $16) 27... Kf8 (27... Nb3 $1 $14 28. Bxb3 cxb3) 28. Rg4 ({Reject} 28. Nxh4 $6 Rxh6 29. gxh6 Bxh4 $11) 28... Ke8 (28... Nb3 $142 29. Bxb3 cxb3) 29. Rxh4 ({But not} 29. Nxh4 Bd7 $14) 29... a4 30. Be3 Nbd7 31. Nd2 Nb6 (31... Qd8 $16) 32. Qf1 $18 Nd3 33. Bxd3 cxd3 34. f4 Rf8 35. fxe5 dxe5 36. Ng4 Rb8 $2 {[#]} (36... Ra6 37. Rh7 Bd6 38. Bxb6 Rxb6) 37. Nf6+ {White is clearly winning.} Bxf6 38. Qxf6 ({Not} 38. gxf6 Nc4 $16) 38... Nd7 39. Qg7 Qd6 40. c4 Ba6 41. Rxa4 Rxb2 42. Rh8 Rc2 {[#]} 43. c5 $1 {[%mdl 512]} Rxc5 (43... Nxc5 44. Bxc5) 44. Bxc5 Qxc5 45. Rxf8+ Nxf8 46. Qxe5+ Ne6 47. Qb8+ Nd8 48. Qf4 Bc8 49. Rc4 {Precision: White = 70%, Black = 30%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Sahoo Utkal Ranjan"]
[Black "Rahman, Ziaur"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2281"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,60,33,22,58,59,78,63,72,83,106,109,98,106,99,109,102,84,117,107,134,130,125,109,122,123,171,152,160,72,75,27,70,35,118,80,80,50,51,61,55,0,64,0,55,0,55,0,69]} 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5 8. Re1 {LiveBook: 98 Games} Qc8 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} (8... Ne4 9. Qb3 Qb6 10. g4 Nxc3 11. gxf5 Ne4 12. fxg6 hxg6 13. Qd3 d5 14. b3 Nd7 15. Be3 e6 16. h4 f5 17. cxd5 exd5 {1-0 (48) Mamedyarov,S (2800)-Caruana,F (2808) Paris 2017}) 9. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Bh3 10. e5 Bxg2 {White is slightly better.} 11. Kxg2 Ne8 $146 ({Predecessor:} 11... dxe5 12. dxe5 Ne8 13. Bg5 {1-0 (34) Polyakova,N (2190)-Hlubina,P Ostrava 1996}) 12. Bg5 f6 13. exf6 exf6 14. Bf4 g5 15. Bd2 $36 {[%mdl 2048] White is in control.} Nd7 16. Re7 {Strongly threatening Qe2.} Rf7 {[#]} 17. Rxf7 $1 Kxf7 18. Qe2 Nf8 19. d5 g4 {[#]} 20. Nh4 $1 Ng6 21. Nxg6 (21. f3 $142) 21... hxg6 $16 22. f3 gxf3+ 23. Qxf3 {aiming for h4.} Qd7 (23... f5 $1 $14) 24. g4 Kg8 25. Rf1 {Qe4 is the strong threat.} Nc7 26. Qe4 Qe8 27. Qf3 Qd7 28. Qe4 Qe8 29. Qf3 Qd7 30. Qe4 Qe8 {Precision: White = 42%, Black = 65%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Ziatdinov, Raset"]
[Black "Swapnil, S.  Dhopade"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2281"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,-30,-27,0,-14,-5,-42,-11,-19,-18,-16,-19,-38,182,162,180,176,158,165,160,182,178,185,118,24,17,19,24,24,22,21,16,3,8,0,4,0,8,8,3,6,12,10,19,30,22,16,41,47,35,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 Nc6 5. Bb5 e6 6. Be3 Nge7 7. Nf3 {[%cal Bg1f3,Bf3d4,Bd4c6][%mdl 32]} Nf5 {B12: Caro-Kann: Advance Variation} 8. Bd4 Qa5+ 9. Nc3 {LiveBook: 3 Games} a6 $146 {Black has an edge.} ({Predecessor:} 9... Bd7 10. a3 Nfxd4 11. Nxd4 Nxe5 12. b4 Qd8 13. O-O Bxb5 14. Ndxb5 Be7 15. Re1 {1-0 (43) Vachier Lagrave,M (2762)-Najer,E (2653) Dubai 2014}) 10. Bxc6+ bxc6 11. O-O Nxd4 12. Nxd4 Qxc5 13. Na4 Qa5 14. c4 c5 $2 (14... Bd7 $1 $15 {keeps the upper hand.} 15. Nc3 Be7) 15. b4 $1 $18 {[%cal Rb4a5]} cxb4 16. Nc6 Qc7 17. cxd5 exd5 18. Rc1 $1 ({Much less strong is} 18. Qxd5 $6 Be6 $14) 18... Qb7 {[#]} 19. Qd4 $1 ({Don't do} 19. Qxd5 $6 Be6 $14) 19... Bd7 {[#]} 20. Qb6 (20. Na5 $1 $16 {[%cal Ra5b7]} Qa7 21. Qb6 Qxb6 22. Nxb6) 20... Bxc6 $1 $11 21. Rxc6 Qxb6 $1 22. Nxb6 Rd8 23. Rd1 d4 24. Nc4 Be7 25. Rxa6 O-O 26. f4 Ra8 27. Rxa8 Rxa8 {[%mdl 4096] Endgame KRB-KRN} 28. Rd2 f6 29. Kf2 Kf7 30. Kf3 f5 31. g4 Ke6 32. gxf5+ Kxf5 33. Nd6+ Bxd6 $1 {The position is equal.} 34. exd6 Ra3+ 35. Kf2 {With the idea d7.} Ke6 36. Rxd4 {And now d7 would win.} Rxa2+ 37. Kg3 {Threatens to win with d7.} Ra7 38. Rxb4 {Precision: White = 67%, Black = 64%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Jayakumaar S"]
[Black "Vignesh N R"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2276"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,76,1,-4,-20,-20,-20,-20,-27,-21,-27,-8,-40,-42,-27,-43,-58,-55,-64,-63,-116,-111,-114,-111,-114,-115,-106,-50,-56,-54,-60,-65,-81,-78,-136,-133,-284,-284,-287,-287,-269,-286,-288,-271,-263,-262,-288,-281,-273,-279,-286,-289,-287,-277,-295,-294,-308,-299,-320,-298,-443,-428,-335,-296,-724,-694,-29965,-29961,-5708,-5706]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Na3 (2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 e6 7. Bb2 a6 8. O-O-O b5 9. f3 h5 10. Nh3 Be7 11. Ng5 {1-0 (31) Carlsen,M (2843)-Wojtaszek,R (2744) Shamkir 2018}) 2... Nc6 3. Bb5 g6 4. c3 Bg7 5. Nf3 Nf6 6. e5 {B31: Sicilian: 2...Nc6 3 Bb5 g6} Nd5 7. d4 $146 ({Predecessor:} 7. Bxc6 dxc6 8. h3 O-O 9. O-O h6 10. d4 cxd4 11. Qxd4 f6 12. Qh4 g5 13. Qh5 fxe5 {0-1 (32) Jensen,M (2026)-Mikkelsen,N (2399) Helsingor 2009}) 7... cxd4 8. cxd4 {The position is equal.} O-O 9. O-O d6 {[%cal Rd6e5]} 10. exd6 Qxd6 11. Nc4 Qc7 12. Ne3 Be6 13. Bxc6 Qxc6 14. Ne5 (14. Re1 $15) 14... Bxe5 $17 15. dxe5 Nf4 16. Qc2 Qxc2 17. Nxc2 Nd3 ({Black should try} 17... Ne2+ $17 18. Kh1 Nxc1 19. Raxc1 Bxa2) 18. Nd4 Rfd8 19. Nxe6 fxe6 20. f4 Nb4 21. b3 {[#]} (21. a3 $142 Nc2 22. Ra2) 21... Rac8 $1 22. Ba3 $2 {[#]} (22. h3 $17) 22... Nc2 $1 $19 {[%csl LRa1,LRa3]} 23. Bxe7 Rd7 24. Bd6 Nxa1 25. Rxa1 {[%mdl 4096] Endgame KRR-KRB} Rc2 26. a4 Rd8 27. h3 Rdc8 28. Kh2 Rd2 29. b4 Rcc2 30. Rg1 h5 31. a5 Kf7 32. Bc5 a6 33. Kg3 {[#]} h4+ $1 {[%mdl 512]} 34. Kxh4 (34. Kh2 $142) 34... Rxg2 35. Rd1 Rc4 {[%cal Rc4f4]} 36. Rd7+ $2 (36. Rd4 Rxd4 37. Bxd4) 36... Ke8 {[%cal Rc4f4]} 37. Re7+ Kd8 {[%cal Rc4f4]} 38. Rf7 {[#]} Rxf4+ $1 {[%mdl 512] Precision: White = 42%, Black = 89%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.15"]
[Round "2"]
[White "Nandhidhaa, PV."]
[Black "Khusenkhojaev, Muhammad"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2271"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,12,21,16,0,25,0,16,11,8,19,12,8,10,11,21,0,0,0,55,49,63,20,194,20,8,0,0,-68,-56,-187,-168,-170,-166,-167,-170,-279,-277,-296,-311,-289,-299,-287,-285,-303,-272,-365,-274,-440,-327,-310,-316,-395,-402,-500,-461,-482,-483,-550,-545,-1118,-686,-29983,-29984,-29984,-29985,-29985,-29986]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Qd3 {B92: Sicilian Najdorf: 6 Be2} (8. Bg5 Be6 9. Bxf6 Bxf6 10. Qd3 Be7 11. Nd5 Nd7 12. Rd1 Bxd5 13. Qxd5 Qc7 14. c3 Nf6 15. Qd3 O-O 16. O-O Rfd8 17. Bf3 b5 {0-1 (71) Ponomariov,R (2694)-Salem,A (2638) Riadh 2017}) 8... O-O 9. Be3 {LiveBook: 4 Games} Qc7 10. g4 {The position is equal.} Nc6 $146 ({Predecessor:} 10... Be6 11. g5 Ne8 12. Nd5 Bxd5 13. exd5 Nd7 14. f4 f5 15. h4 Rc8 16. c3 Nc5 {1-0 (32) Kulon,K (1977)-Wierzbicka,E (2020) Polanica Zdroj 2004}) 11. a3 Bxg4 12. Bxg4 Nxg4 13. Nd5 Qd8 14. Bb6 Qc8 15. Rg1 Nf6 16. Be3 ({Don't play} 16. Qg3 g6 $17) 16... Qh3 17. O-O-O Nxd5 (17... Qxh2 $2 18. Rh1 $18) ({Black should play} 17... Rac8 $11) 18. exd5 $14 Nd8 19. Rg3 {[%mdl 1024] White has compensation.} Qh4 $2 {[#]} (19... Qh5 $1 $11 {and Black has nothing to worry.}) 20. Rdg1 $2 (20. Qf5 $1 $18) 20... g6 $132 {[%mdl 2048] Black has counterplay} 21. Qf5 Kh8 $1 ({Don't blunder} 21... Qxh2 $2 22. Qd7 $18) 22. Qd7 (22. Qf3 $1 $11) 22... f5 $15 {[%cal Bf7f5,Bf5f4,Bf4e3][%mdl 32]} 23. Nd2 ({Better is} 23. Kb1 $15) 23... f4 $19 24. Rg4 fxe3 25. Rxh4 exd2+ 26. Kd1 (26. Kxd2 {was forced.} Bxh4 27. Rg4 Bxf2 28. Qxd6) 26... Bxh4 27. Rg4 Bxf2 {[#] Threatens to win with ...Be3.} 28. Qxd6 {[%cal Rd6f8]} Rf5 29. Kxd2 Nf7 30. Qe7 b5 31. b3 Rc8 32. c4 $2 (32. Qe6 Rd8 33. c3) 32... bxc4 33. Rxc4 Rd8 34. Ke2 Kg7 35. Rc7 Rxd5 36. Rc8 {aiming for Qf8+.} Kh6 37. Rf8 Bc5 38. Qh4+ Rh5 39. Qe4 Rxh2+ {Black mates.} 40. Ke1 Bf2+ 41. Ke2 Bg3+ {Precision: White = 27%, Black = 66%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Gupta, Abhijeet"]
[Black "Harshavardhan G B"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2619"]
[BlackElo "2218"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,110,16,4,25,-46,-6,-39,-46,-38,-16,-21,0,0,0,0,18,24,22,9,0,2,63,56,65,47,54,54,64,64,79,39,166,168,169,144,196,105,204,203,175,145,285,285,257,196,206,167,163,206,189,208,277,264,500,501,569,568,571,561,537,543,550,547,543,527,644,636,838,800,1256,1265,1245,1214,29982,29983,29981,29961,12791,12791,5741,5705,4841,4841,29979,29980,29990,29991,29991,29992,29994,29995,29996,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 (5. Nd2 O-O 6. Ngf3 b6 7. O-O Bb7 8. b3 c5 9. Bb2 Nbd7 10. a3 Bxd2 11. Nxd2 cxd4 12. Bxd4 Rc8 13. b4 Qe7 14. Rc1 Rfd8 15. Qb3 dxc4 16. Nxc4 Bxg2 17. Kxg2 {0-1 (55) Ding,L (2777)-Carlsen,M (2837) Riadh 2017}) 5... Bd6 6. Nc3 {E01: Catalan: Early deviations} c6 7. Bg5 Nbd7 8. Nf3 {LiveBook: 3 Games. The position is equal.} h6 9. Bc1 ({Better is} 9. Bxf6 $11 Nxf6 10. c5) 9... O-O 10. O-O dxc4 11. a4 $146 ({Predecessor:} 11. e4 e5 12. Qe2 b5 {½-½ (23) Reinecke,K (1818)-Moenster,M (1873) Willingen 2017}) 11... e5 12. a5 Rb8 13. Nd2 exd4 14. Nxc4 Bc7 (14... Ne5 {is interesting.} 15. Qxd4 Nxc4 16. Qxc4 Be6 17. Qh4 Qe7) 15. Qxd4 Ne5 $1 16. Qxd8 Rxd8 17. Bf4 Re8 (17... Nfg4 $1 $11) 18. Rfd1 $14 g5 19. Nxe5 gxf4 20. gxf4 Bxe5 21. fxe5 Rxe5 22. e4 Rg5 (22... Re8 $14) 23. f4 $18 Rg7 24. f5 Ng4 (24... Nd7 $16) 25. Rd8+ Kh7 {[#]} 26. Bf3 $1 Ne5+ 27. Kf2 f6 (27... Rg8 $16 {was worth a try.} 28. Rad1 b6) 28. Rad1 b6 29. a6 Rg8 30. Rxg8 Kxg8 31. Rd8+ Kf7 32. Rh8 Nd7 {[#]} 33. e5 $1 {[%cal Re5e6]} ({Weaker is} 33. Rxh6 Kg7 $16) 33... fxe5 $2 (33... Nxe5 34. Rh7+ Kf8 35. Rxa7 Nd3+ 36. Kg3 Nb4) 34. Bxc6 Nf8 {And now ...Kg7 would win.} 35. Bd5+ Ke8 36. Nb5 Bxa6 37. Nc7+ Ke7 38. Nxa6 Rd8 39. Be4 Rd6 40. Nb4 Kf7 41. Bd5+ Ke8 42. Be6 Rd2+ 43. Ke3 Rxh2 44. f6 Rh1 45. Nd5 Rf1 46. Ke2 Rxf6 47. Nxf6+ Ke7 48. Bb3 Ng6 49. Nd5+ {White mates.} Kd6 50. Rxh6 Kc5 51. Rxg6 b5 52. Ke3 a5 53. Ke4 a4 54. Bc2 b4 55. Bxa4 {[%csl Ga4][%cal Rg6c6]} b3 56. Rc6# {Precision: White = 86%, Black = 35%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Amonatov, Farrukh"]
[Black "Raja Rithvik R"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2608"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,57,0,0,0,0,-4,-22,0,-32,-31,-53,-25,-28,-5,-27,80,59,64,25,32,39,67,67,93,108,100,93,464,457]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Re1 Bg4 9. c3 f5 10. Qb3 O-O 11. Nbd2 Na5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} 12. Qc2 Nc6 13. b4 a6 14. a4 Bd6 15. Ba3 Kh8 16. b5 {LiveBook: 6 Games} axb5 17. Bxb5 {[#]} Na5 $146 ({Predecessor:} 17... Bh5 18. Bxc6 bxc6 19. Ne5 Qg5 20. Ndf3 Bxf3 21. Nxf3 Qe7 22. Bxd6 cxd6 23. Nd2 Qh4 24. Nf1 c5 {½-½ (24) Amonatov,F (2574)-Iljin,A (2538) Sochi 2007}) 18. Reb1 Qe7 19. Bxd6 cxd6 20. Bf1 Rfc8 21. Ra3 Rc6 22. Rb5 Qc7 {[#]} (22... Bxf3 $11 {keeps the balance.} 23. Nxf3 Qc7) 23. Nxe4 $1 $16 fxe4 24. Ne1 {[%cal Bf3e1,Be1c2,Bc2e3][%mdl 32]} Qf7 25. Qd2 h6 26. Nc2 $1 Be6 27. Ne3 Rc7 28. Qb2 Qe8 $2 {[%mdl 8192] [#]} (28... Rd7 $16) 29. Rxa5 $1 {[%mdl 512] Precision: White = 63%, Black = 24%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Rozum, Ivan"]
[Black "Arjun Kalyan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2581"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,91,66,64,60,60,155,133,161,96,102,86,126,125,128,127,133,134,128,128,127,125,124,117,116,112,100,99,99,91,112,109,109,109,109,109,124,117,145,140,198,183,201,194,194,190,217,181,281,241,367,287,889,883,768,500,1804,1553,29971,29973,29972,4627,29975,29976,29978,29979,29977,29978]} 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 d6 5. Nc3 O-O 6. Nge2 e5 7. h3 c6 8. a4 Nbd7 9. O-O Re8 10. a5 exd4 11. Nxd4 Nc5 12. Re1 d5 {B07: Pirc Defence: Miscellaneous Systems} 13. exd5 Rxe1+ 14. Qxe1 {LiveBook: 16 Games} cxd5 {White is slightly better.} (14... Nxd5 15. Nxd5 cxd5 16. Be3 Ne6 17. Rd1 Nxd4 18. Bxd4 Bxd4 19. Rxd4 Be6 20. Qd2 Qf6 21. c4 dxc4 22. a6 Kg7 23. axb7 Rb8 24. Rd6 Qe7 25. Qd4+ Kg8 26. Qe5 {1-0 (26) Bachmann,A (2636)-Santiago,Y (2400) Montevideo 2015}) 15. Be3 a6 $146 (15... Nce4 $14) ({Predecessor:} 15... Nce4 16. Nxe4 dxe4 17. Rd1 Bd7 18. Bg5 Qc7 19. Bxf6 Bxf6 20. Qxe4 {1-0 (48) Obukhov,A (2462)-Kotenko,P (2378) Voronezh 2002}) 16. Nde2 Nce4 {[#]} 17. Nxe4 (17. Na4 $1 $18) 17... dxe4 $16 18. Nc3 Qe8 19. Bd4 Bd7 20. Nxe4 Nxe4 21. Bxg7 Kxg7 22. Qxe4 Bc6 23. Qxe8 Rxe8 24. Bxc6 bxc6 {[%mdl 4096] Endgame KR-KR} 25. Ra3 Re5 26. Rc3 Rxa5 27. Rxc6 Ra2 28. b3 a5 29. Rc4 Ra1+ 30. Kg2 Re1 31. Kf3 Re5 32. h4 h5 (32... h6 $16 33. Rc8 Kf6) 33. Rd4 Kf6 34. Rf4+ Kg7 {[#]} 35. Re4 $1 {[%cal Re4e5]} Rc5 36. Re2 f6 (36... Kf6 $142 37. c4 Rf5+ 38. Ke3 Re5+ 39. Kd3 Rf5) 37. Ke4 $18 g5 (37... Rc8 {might work better.} 38. Kd5 Rc3) 38. Kd4 Rf5 $2 (38... Rb5 39. hxg5 Rb4+ 40. Kd3 fxg5) 39. c4 {[%cal Bc2c4,Bc4c5,Bc5c6,Bc6c7][%mdl 32]} gxh4 40. gxh4 Rf3 (40... a4 $142 41. bxa4 Ra5) 41. c5 Rxb3 42. c6 Rb8 43. Kc5 (43. c7 $142 Rc8 44. Rc2 Kg6 45. Kd5 Kf5 46. Kd6 Kg4 47. Rc4+ Kh3 48. Kd7) 43... a4 44. c7 {White mates.} Ra8 45. Kb6 a3 46. Ra2 {Precision: White = 86%, Black = 34%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Sengupta, Deep"]
[Black "Siva Mahadevan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2563"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,85,0,29,20,54,36,47,23,64,32,45,37,54,42,135,141,140,137,142,146,138,133,150,126,115,136,173,184,182,175,195,192,191,185,205,204,202,207,202,133,138,137,135,128,132,89,74,45,39,12,16,20,144,140,151,147,232,232,386,393,466,391,562,549,995,953]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 O-O 10. Be3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} f5 (10... Bg4 11. h3 Bh5 12. Qc2 Bxf3 13. gxf3 Ng5 14. O-O-O Nxf3 15. Bxc6 bxc6 16. Qf5 Nh4 17. Qg4 Ng6 {½-½ (38) Naiditsch,A (2701)-Anand,V (2776) Karlsruhe/Baden-Baden 2018}) 11. g3 Ne7 {LiveBook: 3 Games} 12. Qb3 {White has an edge.} a6 $146 ({Predecessor:} 12... Kh8 13. O-O-O Be6 14. Ng5 Bg8 15. Na4 Rc8 16. Kb1 c5 17. dxc5 Nxc5 18. Nxc5 Bxc5 {½-½ (52) Mesropov,K (2427)-Liss,E (2437) Israel 2018}) 13. Be2 Be6 14. O-O-O {[%cal Be1c1,Bc1c2,Bc2b1][%mdl 32]} Qd7 15. Ne1 {[%cal Bf3e1,Be1d3,Bd3c5][%mdl 32]} Ba5 16. Nd3 Qc6 {[%cal Ra5c3]} 17. Kc2 Nc8 {[#]} (17... b5 $14) 18. Qa4 $1 $16 {[%cal Ra4a5]} Qxa4+ 19. Nxa4 Bd7 20. Nac5 Nxc5 21. Nxc5 Bc6 22. Kb1 Bb6 23. Rc1 Bxc5 24. Rxc5 (24. dxc5 d4 $11) 24... Ne7 25. Rhc1 Rfc8 26. Bg5 Kf7 27. Bf3 Rd8 28. e6+ Kf8 29. h4 Rac8 30. Re1 Bb5 31. Rc3 b6 32. g4 c5 33. gxf5 {aiming for Bh5.} cxd4 34. f6 $36 {[%mdl 2048] White is pushing.} gxf6 35. Rxc8 Rxc8 36. Bxf6 d3 (36... Bd3+ $11 {remains equal.} 37. Ka1 Be4) 37. Rc1 Rc4 {[#] White must now prevent ...Rf4.} 38. Bg5 Ke8 (38... Nf5 $16 39. b3 (39. Bxd5 Rd4 $16) 39... d2 40. Bxd2 (40. bxc4 dxc1=R+ 41. Kxc1 Bxc4 $14) 40... Rxc1+ 41. Kxc1 Ke7 42. Bxd5 Kd6) 39. b3 $18 Rxc1+ $2 (39... d2 40. Bh5+ (40. bxc4 dxc1=R+ 41. Kxc1 Bxc4 $16) (40. Bxd2 Rxc1+ 41. Kxc1 Bd3 $16) 40... Ng6) 40. Kxc1 Kd8 41. Bxd5 Ke8 (41... h6 {was worth a try.}) 42. Be4 Ng6 43. f4 {Precision: White = 82%, Black = 36%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Nihal Sarin"]
[Black "Mohammad Fahad, Rahman"]
[Result "1/2-1/2"]
[ECO "D63"]
[WhiteElo "2551"]
[BlackElo "2296"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,98,31,48,31,90,87,80,45,62,78,75,49,75,81,87,92,198,80,82,82,82,82,82,77,72,84,68,52,58,58,59,59,64,20,25,27,25,9,95,37,71,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 8. cxd5 exd5 9. Bd3 Re8 10. O-O {D63: Queen's Gambit Declined: Classical: 7 Rc1} Nf8 {LiveBook: 4 Games} (10... c6 11. Qc2 Nf8 12. Rfe1 g6 13. h3 Ne6 14. Bh4 Ng7 15. Qb3 Ne4 16. Bxe7 Qxe7 17. Ne5 Nd6 18. e4 dxe4 19. Bxe4 Bf5 20. Bf3 {0-1 (35) Nabaty,T (2579)-Hracek,Z (2625) Golden Sands 2013}) 11. Ne5 Ng6 (11... c6 $14) 12. f4 $146 {White is better.} ({Predecessor:} 12. Bb1 c6 13. Qd3 Ng4 14. Bf4 Bd6 15. Nxg4 Bxf4 16. exf4 Bxg4 {0-1 (49) Diaz,G (1794)-Aquino Flores,E Cuenca 2006}) 12... c6 13. Na4 Nd7 14. Bxe7 Qxe7 15. Qb3 Ngxe5 16. fxe5 b5 17. Nc5 f6 (17... Nxc5 $16 18. Rxc5 Bd7) 18. e4 (18. Ne4 $18) 18... Nxc5 19. Rxc5 fxe5 20. exd5 ({Reject} 20. Rxc6 Bb7 $15) 20... cxd5 21. Qxd5+ Be6 22. Qe4 {[%csl Gd3][%cal Re4h7] [#]} g6 23. Rxe5 {Black must now prevent Re1.} Qd7 $1 24. Re1 {[%cal Re5e6]} Bf7 25. Bc2 Rad8 26. a3 Rxe5 27. dxe5 Be6 28. h3 Qc7 (28... Qa7+ $1 $11 29. Kh1 Rd2) 29. Re2 ({White should try} 29. Kh2 $16) 29... Qc5+ 30. Qe3 (30. Kh2 $16) 30... Qxe3+ $1 $11 {The position is equal.} 31. Rxe3 {[%mdl 4096] Endgame KRB-KRB} Rd2 32. Rc3 Bd5 33. g4 Kf7 34. Bb3 Bxb3 35. Rxb3 {KR-KR} Ke6 36. a4 $1 bxa4 37. Rb4 Kxe5 {Threatens to win with ...Rd4.} 38. Rxa4 Rxb2 39. Rxa6 Kf4 40. Ra4+ Kg3 {[%cal Rb2b1] [#]} (40... Kg5 {with more complications.} 41. Ra7 Rb1+ 42. Kg2 Rb2+ 43. Kg3 Rb3+) 41. Ra3+ Kh4 42. Rc3 Re2 43. Ra3 h6 44. Rb3 Kg5 45. Rf3 Re4 46. Kg2 Kh4 47. Rf6 Kg5 48. Rf3 Kh4 49. Rf6 Kg5 {Precision: White = 61%, Black = 46%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Lalith Babu M R"]
[Black "Dhulipalla Bala Chandra Prasa"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2531"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,143,9,17,9,9,0,4,-20,-10,-28,-16,-45,-48,-29,-28,-40,-36,-38,-37,-44,-18,-36,-18,-34,-33,-39,-16,-16,-14,-22,-18,-13,-19,-8,34,42,37,34,33,21,33,31,31,21,25,21,25,16,16,12,22,16,47,23,29,29,32,47,49,58,50,31,66,34,60,37,38,16,174,180,174,168,186,189,190,174,222,228,223,231,262,293,356,360,424,423,425,421,401,402,358,325,567,560,521,472,449,449,449,442,441,441,441,434,412,397,362,363,408,410,361,346,977,941,915,914,968,758,1304,945,697,655,5927,2864,29975,29976,29982,29983,29982,29981,29981,29980]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 {[%cal Bb8c6,Bc6e7,Be7d5,Bd5f6,Bf6g4][%mdl 32]} 4. e3 Bb4 5. Qc2 O-O 6. Nd5 Nxd5 {A28: English Opening: Four Knights Variation} (6... Be7 7. a3 d6 8. Be2 Be6 9. Ng5 Bxd5 10. cxd5 Nb8 11. Qb3 Nbd7 12. d3 h6 13. Nf3 c6 14. dxc6 bxc6 {½-½ (39) Cheparinov,I (2710)-Kryvoruchko,Y (2689) Riadh 2017}) 7. cxd5 Ne7 $1 {LiveBook: 3 Games} 8. Bd3 h6 $146 {The position is equal.} ({Predecessor:} 8... Ng6 9. h4 Re8 10. a3 Bd6 11. b4 c6 12. Be4 a5 13. Bb2 axb4 14. axb4 Rxa1+ 15. Bxa1 {½-½ (30) Clarke,A-Morris,A England 1991}) 9. Nxe5 Nxd5 10. Qb3 c6 {[#] Strongly threatening ...Qg5.} 11. Bc4 (11. Nf3 {looks sharper.} Ba5 12. O-O Nf6 13. Bf5 Re8 14. d3) 11... Bd6 12. Nf3 Nf6 13. Be2 Bc7 14. d3 d5 15. Bd2 Re8 16. Rc1 Ng4 17. O-O Ne5 18. Nd4 Rb8 19. Qd1 Qh4 20. g3 Qh3 21. Re1 Bg4 22. f4 Bxe2 23. Qxe2 Ng4 24. Qg2 Qxg2+ 25. Kxg2 Bb6 26. Nc2 f5 27. h3 Nf6 28. Bc3 Kf7 29. Kf3 h5 30. Nd4 g6 31. Kf2 Nd7 32. Nf3 Bd8 33. Bd4 Bf6 34. Rg1 Rh8 35. Bxf6 Kxf6 36. g4 hxg4 37. hxg4 Rh3 38. b4 a6 39. gxf5 gxf5 40. Rg5 Rf8 $2 {[#]} (40... Rbh8 $11 {and Black stays safe.}) 41. Rcg1 $1 $18 {Black must now prevent Rg7.} Rh7 42. Nd4 Rh2+ 43. R1g2 Rxg2+ 44. Kxg2 {[%mdl 4096] Endgame KRN-KRN} Ra8 45. Rxf5+ Ke7 46. Rg5 a5 47. b5 c5 48. Rg7+ Kd6 49. Nf5+ Ke6 50. e4 Rd8 51. Rg6+ Kf7 52. Rd6 c4 $2 (52... dxe4 {was necessary.} 53. dxe4 c4) 53. e5 Ke8 54. dxc4 dxc4 55. Rh6 c3 {intending ...c2.} 56. e6 {Intending Rh7 and mate.} Nf8 {Threatens to win with ...Rd2+.} 57. e7 Rd5 58. exf8=Q+ Kxf8 {KRN-KR} 59. Ne3 Rxb5 60. Rh8+ Kg7 61. Rc8 Rb2+ 62. Kf3 b5 $2 (62... Rxa2 63. Rc7+ Kf6 64. Rxb7 Rd2) 63. Rc7+ Kf8 64. Rxc3 Rxa2 65. f5 b4 66. Rc8+ Kf7 67. Rc7+ Kf8 68. Rb7 (68. f6 $142 Ra1 69. Ng4) 68... Rb2 69. Nc4 {White mates.} Rc2 70. Ne5 Rc1 71. f6 Rf1+ 72. Ke2 {Precision: White = 71%, Black = 48%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Narayanan, Srinath"]
[Black "Kaustuv, Kundu"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2525"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,77,63,81,75,100,55,77,28,53,61,58,27,77,45,61,55,38,45,47,45,43,45,108,56,87,48,70,66,119,25,66,0,129,145,366,404,537,454,568,558,477,268,258,258,340,341,515,530,658,626,652,531,29985,29984,29982,29983]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 e5 7. d5 a5 8. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Na6 {E73: King's Indian: Averbakh Variation without 6...c5} 9. h4 Nc5 10. f3 h5 11. g5 Nfd7 (11... Nh7 12. Kd2 Bd7 13. Nh3 c6 14. Nf2 cxd5 15. exd5 f5 16. gxf6 Nxf6 17. Bxc5 dxc5 {0-1 (37) Vallejo Pons,F (2705)-Radjabov,T (2741) Palma de Mallorca 2017}) 12. Nh3 Nb6 {LiveBook: 3 Games} 13. Nf2 $146 ({Predecessor:} 13. Qd2 c6 14. Nf2 cxd5 15. exd5 Bf5 16. Bxc5 dxc5 {0-1 (47) Debashis,D (2472)-Firouzja,A (2456) Doha 2016}) 13... f5 14. Qc2 Na6 15. Rd1 fxe4 16. Ncxe4 Bf5 17. a3 Nd7 {[%cal Bb6d7,Bd7c5,Bc5b3][%mdl 32]} 18. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} Ndc5 19. Qc3 Bxe4 20. fxe4 a4 21. b4 Nb3 22. Qd3 Qe7 (22... Nb8 $14) 23. O-O ({Better is} 23. c5 $16) 23... Nd4 24. Nh3 {[%cal Re3d4]} Nxe2+ 25. Qxe2 Qd7 (25... c6 $14) 26. Kg2 (26. Rxf8+ $16 Rxf8 27. Nf2) 26... c6 27. Nf2 ({White should try} 27. Rxf8+ $14 Rxf8 28. c5) 27... cxd5 (27... Nc7 $11) 28. exd5 $16 e4 $2 {[#]} (28... Nc7 $16) 29. Nxe4 $18 Qe7 30. Qd3 Rae8 31. Rxf8+ Rxf8 32. Rf1 (32. Bd4 $142) 32... Rxf1 33. Kxf1 Qe5 34. Bf2 Qf4 (34... Qf5 {might work better.} 35. Ke2 Be5) 35. Kg2 Be5 36. Bg3 Qg4 37. c5 dxc5 38. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} Bd4 {[#]} 39. d7 $1 {[%mdl 512] Precision: White = 60%, Black = 20%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Swapnil, S. Dhopade"]
[Black "Modi, Kunal"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2505"]
[BlackElo "1781"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,82,18,11,33,10,13,4,25,19,21,30,4,17,67,73,82,77,67,65,70,64,57,69,75,47,48,49,45,45,45,45,45,47,57,62,64,21,40,35,39,33,35,14,15,15,15,14,16,8,16,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 O-O 5. e4 d6 6. Be2 e5 7. O-O Nc6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qa4 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} (10. Qxd8 Rxd8 11. Be3 c6 12. Rfd1 Re8 13. f3 Bf8 14. Na4 b6 15. b3 Be6 16. Nb2 Nd7 17. Nd3 f6 18. Rac1 Nc5 19. Nxc5 Bxc5 20. Bxc5 bxc5 {½-½ (35) Wojtaszek,R (2736)-Duda,J (2717) Katowice 2017}) 10... c6 11. Be3 {LiveBook: 6 Games} Qc7 12. b4 $146 {[%cal Bb2b4,Bb4b5][%mdl 32] White is slightly better.} ({Predecessor:} 12. Rfd1 Bg4 13. f3 Be6 14. b4 Nd7 15. Qa5 b6 16. Qa6 Rfc8 17. Rab1 Bf8 {0-1 (58) Li,D (2426)-Oliva Castaneda,K (2493) Barcelona 2016}) 12... Be6 13. Rac1 Rfd8 14. b5 Ng4 15. Bxg4 Bxg4 16. h3 $36 {[%mdl 2048] White fights for an advantage.} Be6 {[#]} 17. Nd5 $1 {[%cal Rd5c7][%mdl 512]} Qd7 (17... cxd5 18. cxd5) 18. bxc6 bxc6 {[#]} 19. Qxc6 $1 {[%mdl 512]} Qxc6 20. Ne7+ Kh8 21. Nxc6 Rdc8 22. Nxa7 (22. Na5 {keeps more tension.} Bf8 23. c5 Rab8 24. c6 Ba3 25. Rc2) 22... Rxc4 23. Rxc4 Bxc4 24. Ra1 Bd3 25. f3 f5 26. exf5 e4 27. Rd1 gxf5 28. fxe4 fxe4 29. Rc1 Bb2 30. Rc7 Rf8 31. Rc8 (31. Nc6 {feels hotter.} Ra8 32. Ra7 Rxa7 33. Bxa7 Ba3 34. Ne5) 31... Rxc8 {The position is equal.} (31... Kg8 {is more complex.} 32. Rxf8+ Kxf8 33. a4 Bc3 34. Bb6 Bc2) 32. Nxc8 $11 {[%mdl 4096] Endgame KBB-KBN} Ba3 33. Nb6 Kg7 34. Kf2 Kg6 35. g4 h5 36. Nd5 {Black must now prevent Nf4+.} hxg4 37. hxg4 {And now Nf4+ would win.} Bc4 38. Nc3 Bb4 39. Nxe4 Bxa2 40. Bf4 Be6 41. Kg3 Bd5 {Precision: White = 67%, Black = 82%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Vignesh N R"]
[Black "Rajdeep Sarkar"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2485"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,63,15,9,31,34,30,22,30,31,63,60,62,61,61,52,52,71,61,58,95,87,102,103,155,108,208,214,399,376,396,378,377,368,386,309,520,470,577,556,1410,1335]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c5 6. O-O Nc6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3a5][%mdl 32]} c3 10. bxc3 O-O 11. Nb3 Be7 12. Nfd4 Bd7 13. Bg5 {LiveBook: 21 Games. E04: Open Catalan: 5 Nf3} Rad8 (13... Rfd8 {looks sharper.} 14. Nxc6 Bxc6 15. Rxd8+ Rxd8 16. Bxc6 bxc6 17. c4 Rb8) (13... Rfd8 14. Nxc6 Bxc6 15. Bxc6 bxc6 16. Na5 Rac8 17. Rxd8+ Bxd8 18. Nb7 h6 19. Nd6 Rb8 20. Be3 Bb6 {½-½ (78) Giri,A (2785)-So,W (2815) chess.com INT 2017}) 14. Nxc6 Bxc6 15. Bxc6 {White has an edge.} bxc6 16. Na5 Rxd1+ $146 ({Predecessor:} 16... Rc8 17. c4 Bb4 18. Bd2 Bc5 19. Nb7 Bb6 20. Bf4 Ne4 {½-½ (53) Polyakov,D-Kavalci,E ICCF email 2011}) 17. Rxd1 Rc8 18. Bxf6 Bxf6 $14 {[%mdl 4096] Endgame KRB-KRN} 19. Rd7 Bxc3 {[#]} 20. Nxc6 $1 {[%mdl 512]} Kf8 (20... Rxc6 21. Rd8#) 21. Nxa7 Rc5 22. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Ke8 23. Rb7 Be5 (23... Ba5 $142) 24. Kg2 g5 {[#]} (24... Rc2 $16) 25. Rb5 $1 $18 {[%cal Rb5c5]} Rxb5 $2 (25... Bd6 26. Rb6 Bc7) 26. Nxb5 {KB-KN} ({Less strong is} 26. axb5 Kd7 $14) 26... Kd7 27. a5 Kc6 28. a6 f5 29. Kf3 h5 $2 (29... Kb6 {is a better defense.} 30. a7 Kb7) 30. Ke3 {White is clearly winning.} Bf6 31. Nd4+ Kd5 {[#]} 32. Nxe6 $1 {[%mdl 512] Precision: White = 100%, Black = 17%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Khusenkhojaev, Muhammad"]
[Black "Ravi, Teja S"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2456"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,106,11,-1,14,14,16,16,79,80,96,86,106,95,110,94,121,68,68,67,68,68,95,95,95,99,100,100,102,95,102,100,102,101,107,104,100,94,92,84,95,87,100,95,129,125,129,129,122,124,145,147,143,134,127,131,154,145,186,160,160,160,237,204,252,257,414,421,419,407,372,335,820,893,1197,1137,1504,1001,850,827,827,1507,1176,827,1210,1004,29965,29966,29961,12287,29967,12662,29955]} 1. Nf3 c5 2. g3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Bg2 Qb6 6. Nb3 d5 7. O-O Nf6 8. c4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems} (8. Be3 Qa6 9. a4 Bd6 10. Nc3 O-O 11. Nb5 Bb8 12. Qc1 Na5 13. Nc5 Qc6 14. b4 Nc4 15. Bg5 a5 {½-½ (25) Mu,K (2416)-Bortnyk,O (2585) Kavala 2017}) 8... dxc4 9. N3d2 {LiveBook: 7 Games} Ne5 10. Na3 $146 {The position is equal.} ({Predecessor:} 10. Nc3 Be7 11. Nxc4 Nxc4 12. Qa4+ Bd7 13. Qxc4 Rc8 14. Qb3 Bc6 15. Qxb6 axb6 {½-½ (32) Rotstein,A (2455)-Miniboeck,G (2360) Austria 1998}) 10... Bxa3 11. bxa3 Qd4 (11... c3 $11 12. Nb1 Qa5) 12. Qc2 $16 O-O 13. Bb2 Qc5 14. Qc3 Ned7 15. Nxc4 {[%cal Bd2c4,Bc4e5,Be5c6][%mdl 32]} Rb8 16. Rfd1 (16. Rfc1 $16) 16... b6 $14 17. Ne5 Qxc3 18. Bxc3 {aiming for Nc6.} Nd5 19. Bxd5 exd5 20. Nc6 Rb7 21. Ne7+ Kh8 22. Rxd5 {[#] Threatens to win with Rad1.} Rc7 23. Nxc8 Rfxc8 24. Rad1 Nf8 25. Be5 Re7 26. Rd8 Re8 27. Rxe8 Rxe8 $16 {[%mdl 4096] Endgame KRB-KRN} 28. Bf4 Kg8 29. Be3 Rc8 30. a4 f6 31. a5 bxa5 32. Rd5 a6 33. Rxa5 Rc6 34. Rc5 Rxc5 35. Bxc5 {KB-KN} Nd7 36. Bd4 f5 37. f3 Kf7 38. Kf2 g6 (38... g5 $16 {is a better defense.} 39. Bc3 h5) 39. Ke3 $18 Ke6 40. Kf4 h5 $2 {[#]} (40... Nb8 {was necessary.} 41. Kg5 Kf7) 41. e4 fxe4 42. Kxe4 Nb8 43. g4 hxg4 $2 (43... Nc6 44. gxh5 gxh5) 44. fxg4 Nc6 45. h4 Ne7 46. h5 gxh5 47. gxh5 Nf5 48. Be5 Nh6 49. Bf4 Nf5 50. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} a5 51. a4 Ne7 52. Bd2 Kf6 53. Bxa5 Nf5 {Precision: White = 86%, Black = 41%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Sundararajan, Kidambi"]
[Black "Prasad, Devaki V"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2434"]
[BlackElo "2284"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,75,27,0,42,36,45,0,0,0,20,14,49,32,36,41,58,58,75,54,66,81,130,126,139,135,131,114,108,102,104,87,76,92,96,93,92,68,189,185,177,171,193,191,181,173,166,92,93,94,87,9,71,0,0,0,69,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Rc1 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} (8. Bd3 Bb7 9. O-O Nbd7 10. Ne5 Bd6 11. f4 c5 12. Be1 cxd4 13. exd4 Ne4 14. Nb5 Be7 15. Rc1 a6 16. Rc7 Nxe5 17. fxe5 Bc8 {0-1 (43) Esipenko,A (2564)-Yu,Y (2751) Riadh 2017}) 8... Bb7 9. Bd3 Be7 10. O-O c5 11. Ne5 {LiveBook: 3 Games} c4 $146 ({Predecessor:} 11... Nc6 12. Be1 cxd4 13. Nxc6 Bxc6 14. Ne2 Bb7 15. Nxd4 {½-½ (56) Aczel,G (2553)-Kantor,G (2506) Budapest 2017}) 12. Bb1 a6 13. Ne2 b5 14. Ng3 Nbd7 15. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Ne4 16. Nf5 $36 {[%mdl 2048] [#] Hoping for Ba5! White is more active.} Ndf6 17. Be1 g6 18. Nxe7+ Qxe7 19. Bh4 Qd6 20. f5 g5 21. Bxe4 gxh4 22. Bb1 Rae8 23. Qe1 Rxe5 24. dxe5 Qxe5 25. Qxh4 Qxb2 26. Qg3+ Kh8 27. Rc2 Qa1 28. a4 {And now Ba2 would win.} Ne4 ({Black should play} 28... Re8 $1 $14) 29. Qc7 $18 Bc8 30. axb5 axb5 31. Ra2 Qc3 32. Bxe4 Qxe3+ {[#]} 33. Kh1 (33. Raf2 $1 $18 dxe4 34. Qe7) 33... Qxe4 $16 34. Qd6 {[%cal Rd6f8]} Rg8 35. Qf6+ {[%mdl 1024] White has strong compensation.} Rg7 36. Qd8+ (36. Raf2 $5 {[%cal Rf2f3]}) 36... Rg8 37. Qf6+ Rg7 38. Qd8+ {Precision: White = 68%, Black = 63%.} ({Better is} 38. Raf2 $1 $14) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Shyaamnikhil P"]
[Black "Short, Nigel D"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2401"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,37,35,34,33,31,42,42,44,42,43,41,56,57,41,58,56,27,52,22,26,29,25,22,25,12,35,0,6,0,0,0,6,0,0,-21,-20,-16,-20,-20,-20,-25,-25,-25,-20,-28,-20,-12,-16,-16,-7,-21,-15,-26,0,0,0,0,0,0,0,0,0,-14,-29,-30,0,-6,0,-257,-250,-257,-233,-439,-447,-373,-245,-246,-244,-246,-243,-243,-225,-251,-208,-233,-206]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nh6 5. Nbd2 (5. O-O Nf5 6. c3 Nd7 7. Nbd2 Nd6 8. Re1 Nf6 9. Ne5 O-O 10. f3 Nd7 11. Nxd7 Bxd7 12. e4 dxe4 13. Nxe4 {0-1 (68) Kramnik,V (2812)-Topalov,V (2761) Leuven 2016}) 5... Nf5 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nd6 7. O-O c6 8. Re1 {White is slightly better.} Bf5 9. Nh4 Be6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 O-O 13. Bf4 $146 Nd7 14. Qc1 Bd5 15. Bh6 e6 16. Bxg7 Kxg7 17. Bg2 b5 18. Nf3 (18. Bf1 {looks sharper.} Qf6 19. Qe3 a5 20. b3 g5 21. Ng2) 18... a5 19. Ne5 Nxe5 20. Rxe5 Re8 21. Bf1 a4 22. Re1 Qf6 23. Qe3 g5 24. Bg2 Red8 {[%cal Be8d8,Bd8d5,Bd5f5][%mdl 32]} 25. a3 Bxg2 26. Kxg2 Rd5 27. Re2 Rad8 28. Rae1 Rf5 29. h3 h5 30. Rf1 Rdd5 31. f4 Qg6 32. fxg5 Rxf1 33. Kxf1 Rxg5 $11 {[%mdl 4096] Endgame KQR-KQR} 34. Kg2 Qf5 35. Qe5+ Kg6 36. Qb8 Qd5+ 37. Kh2 Rf5 38. g4 hxg4 39. hxg4 $2 {[%mdl 8192] [#]} (39. Rg2 $11) 39... Rf1 $1 $19 {( -> ...Qh1+)} 40. Rg2 Kg7 41. Kg3 $2 (41. Qe5+ Qxe5+ 42. dxe5) 41... Qf3+ 42. Kh2 Qe3 43. Qe5+ Qxe5+ 44. dxe5 Re1 45. Kg3 Rxe5 46. Kf4 Rd5 47. Re2 Kf6 {Precision: White = 43%, Black = 76%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Rathnakaran, K."]
[Black "Aravindh, Chithambaram VR"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2377"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,124,-8,-3,-19,-12,-8,-16,-15,-18,-28,25,18,31,-19,-15,-17,-35,-43,-40,-153,0,0,0,-8,0,0,-5,-7,-8,-15,38,50,41,-12,0,0,0,0,0,-20,-32,-37,-39,-166,-169,-200,-220,-215,-207,-273,-233,-345,-337,-253,-187,-189,-136,-123,0,0,0,0,0,0,0,-20,-20,-59,-69,-107,0,0,0,0,0,0,0,0,0,0,0,-862,-734,-29990,-29991,-29990,-29973,-5514,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. c3 O-O {LiveBook: 146 Games. C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 8. h3 a5 $146 ({Predecessor:} 8... Bb7 9. d3 d5 10. Bg5 dxe4 11. dxe4 h6 12. Bh4 Qd6 13. Nbd2 Nh5 14. g3 Bb6 15. Bd5 {0-1 (43) Rathnakaran,K (2383)-Oleksienko,M (2643) Sharjah 2017}) 9. O-O $1 a4 10. Bc2 Ba6 11. b4 axb3 (11... Bb6 $142) 12. axb3 $11 Bb6 13. d4 exd4 14. e5 Re8 15. Bg5 h6 16. Bh4 {[#]} (16. Bxf6 $1 $15 Qxf6 17. Re1) 16... g5 $2 ({Black should play} 16... Nxe5 $1 $17 {[%mdl 512]} 17. Nxe5 g5) 17. Bg3 {Qd3 is the strong threat.} d5 18. Rxa6 Rxa6 19. Qxb5 Ne4 {Strongly threatening ...Ra5.} 20. Bxe4 dxe4 21. Nfd2 $1 Nb8 (21... e3 $11 22. Qxa6 exd2 23. Nxd2 dxc3) 22. Nxe4 $14 Re6 23. b4 (23. Nf6+ $14 Kg7 24. Qe2 (24. Qd3 Rxf6 25. exf6+ Qxf6 $14)) 23... Ra2 24. Nf6+ Kf8 25. Qd3 Nd7 $1 {[%cal Rd7f6]} 26. Nxd7+ ({Reject} 26. Qc4 Rb2 $17) 26... Qxd7 27. c4 $1 c5 28. Nd2 (28. bxc5 $15 Bxc5 29. Nd2) 28... cxb4 $19 29. Ne4 Ra3 30. Qb1 Qa4 $1 31. c5 Bc7 32. Nd6 {[#]} (32. h4 $142) 32... d3 $1 33. f4 Qc2 34. Qxb4 Ra2 (34... Rb3 $19 35. Qe4 Qxc5+ 36. Kh2 Rxd6 37. exd6 Qxd6) 35. Qb7 $17 Rb2 (35... Qxc5+ $17 36. Kh1 Rxd6 37. exd6 Qxd6 38. Qc8+ Qd8 39. Qxd8+ Bxd8 40. fxg5 Bxg5) 36. Qd5 $11 {And now fxg5 would win.} Rb1 (36... d2 $5 37. Kh2 $8 (37. fxg5 $2 Rb1 $19) 37... Qb3 $11) 37. Rxb1 Qxb1+ 38. Kh2 gxf4 39. Bxf4 Qf1 40. Qa8+ Kg7 41. Qe4 {[#] aiming for Qf5.} Qe2 (41... Kg8 $1 $17) 42. Nf5+ Kh7 43. Ne3+ Rg6 (43... Kg8 $5 44. Qa8+ $8 Kh7 45. Qe4+ Rg6 $11) 44. Qd5 Rg7 $36 {[%mdl 2048] Threatens to win with ...d2. White is under pressure.} 45. Ng4 h5 46. Nf6+ Kg6 {Hoping for ...d2!} 47. Nd7 $2 {[%mdl 8192]} (47. Ne4 $11 Kh7 48. Ng3 (48. Nf6+ Kg6 $11)) 47... Kf5 $19 48. e6+ Kxf4 49. e7 Rxg2+ 50. Qxg2 Kf5+ $2 (50... Qxe7 $19 51. Kg1 Qxd7 52. Qf2+ Kg5 53. Qg2+ Kh6 54. Qd2+ Kh7) 51. Kg1 $11 {The position is equal.} Qxe7 52. Qd5+ Kf4 {( -> ...Qe1+)} 53. Qxd3 Kg5 54. Kf2 Kh4 55. Qf5 Qg5 56. Qxg5+ Kxg5 {[%mdl 4096] Endgame KB-KN} 57. Nb6 {Black must now prevent Nd5.} Kf5 58. Nd5 Bh2 59. c6 Ke6 60. c7 Kd7 61. Nf6+ Kxc7 62. Nxh5 Be5 {Precision: White = 53%, Black = 69%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Anand Nadar"]
[Black "Sandipan, Chanda"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2368"]
[BlackElo "2573"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,92,19,24,19,16,7,6,6,34,34,33,33,36,23,22,17,38,42,36,33,35,19,23,15,35,19,32,37,33,22,33,31,54,28,42,37,43,51,44,43,80,62,98,78,92,0,0,0,78,78,102,83,208,208,205,207,197,143,143,55,282,282,273,304,289,288,289,266,357,379,375,328,330,0,393,388,300,0,274]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3 Nc6 7. a3 Qd7 {A80: Dutch Defence: Unusual White second moves} (7... Bd6 8. Nce2 Ne7 9. Nf3 c6 10. Nd2 Qd7 11. b3 O-O-O 12. c4 Kb8 13. c5 Bc7 14. b4 g5 15. Rb1 {1-0 (58) Inarkiev,E (2688)-Nepomniachtchi,I (2714) Sochi 2014}) 8. Nge2 Bd6 {LiveBook: 5 Games} 9. O-O Bf7 10. b3 Na5 $146 {[%cal Bc6a5,Ba5b7,Bb7d6,Bd6e4][%mdl 32]} ({Predecessor:} 10... a6 11. Na4 Ne7 12. c4 dxc4 13. bxc4 b5 14. cxb5 axb5 {1-0 (37) Shaposhnikov,E (2557)-Samolins,V (2402) chess.com INT 2017}) 11. Nf4 Bxf4 (11... c6 {looks sharper.} 12. Nh5 Kf8 13. Qf3 g6 14. b4 Nc4) 12. exf4 O-O 13. Qd2 b6 14. Nd1 Nb7 15. Ne3 Nd6 16. c4 dxc4 17. bxc4 Rfe8 18. Qc2 g6 19. Rfd1 Ne4 20. d5 Qd6 21. Bxe4 Rxe4 22. g3 Rae8 23. Qc3 h5 24. h4 Qc5 {[%cal Re4e3] aiming for ...Rxe3.} 25. Qb4 ({Don't go for} 25. Qxf6 $2 Rxe3 26. fxe3 Rxe3 $19) 25... Qe7 26. Qxe7 R4xe7 27. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Rc8 28. a5 Rd7 29. Rab1 Kf8 30. c5 (30. Rb3 $16) 30... bxc5 $11 31. Rbc1 Rcd8 (31... c4 $11) 32. Rxc5 $16 Ke7 33. Kf1 c6 (33... Rb8 $16 {is a better defense.}) 34. Rxc6 $18 Rd6 35. Rxd6 Kxd6 {[%mdl 4096] Endgame KRB-KRN} 36. Rc1 (36. Rb1 $1 $18) 36... Be8 $16 {[#]} 37. Ke2 ({White should play} 37. Rb1 $1 $16) 37... Rb8 $2 (37... Bb5+ $14 38. Kd2 a6) 38. Kd3 $18 Bb5+ 39. Kd4 Re8 {[#] Black hopes to continue with ...Re4+.} 40. f3 $1 Kd7 41. Rb1 a6 42. Rc1 Re7 43. Rc3 Re8 44. Rc1 Re7 $1 45. Re1 Re8 46. Rc1 Re7 $1 {[%mdl 32768] Precision: White = 56%, Black = 50%. . An unexpected result.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Koustav Chatterjee"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2364"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,60,23,24,16,36,43,37,37,69,73,78,68,89,83,89,82,91,53,34,32,75,75,82,58,62,45,55,44,39,37,37,29,30,0,0,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 e5 {A11: English Opening: 1...c6} (7... c5 8. Nc3 Bc6 9. O-O e6 10. Qc2 Be7 11. Rd1 O-O 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Nbd7 15. Bg5 {½-½ (15) Svidler,P (2765)-Karjakin,S (2760) Riadh 2017}) 8. Nc3 Bxf3 9. Bxf3 Bc5 10. d3 Nbd7 11. O-O O-O {LiveBook: 9 Games} 12. Bd2 Be7 $146 ({Predecessor:} 12... Re8 13. Rb1 a5 14. Qc2 Be7 15. Be3 {½-½ (32) Markoja,B (2415)-Bogosavljevic,B (2525) Belgrade 2017}) 13. Rb1 a5 14. a3 Nb6 15. b4 axb4 16. axb4 Qc7 17. Qb3 h6 18. Rfc1 Qd7 19. Be3 Nbd5 20. Bc5 Rfe8 21. Bxe7 Nxc3 22. Qxc3 (22. Rxc3 {feels hotter.} Rxe7 23. b5 e4 24. dxe4 Nxe4 25. Rd3) 22... Qxe7 23. b5 e4 24. dxe4 Nxe4 25. Bxe4 Qxe4 26. bxc6 bxc6 27. Qxc6 Qxc6 {The position is equal.} 28. Rxc6 Rxe2 $14 {KRR-KRR} 29. Rb7 Rf8 30. h4 Re5 {Precision: White = 79%, Black = 59%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Saravana, Krishnan P."]
[Black "Shyam, Sundar M."]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2360"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,60,0,15,-10,-6,-35,-16,-16,-9,-7,0,-27,0,-10,0,0,15,17,22,-25,0,0,0,0,0,-10,62,0,0,-26,46,0,0,-25,37,0,6,-10,57]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Qd3 O-O 9. Be3 Be6 10. Nd5 Bxd5 11. exd5 Nbd7 12. O-O Ne8 {LiveBook: 53 Games. B92: Sicilian Najdorf: 6 Be2} 13. Kh1 $146 ({Predecessor:} 13. a4 Bg5 14. a5 Bxe3 15. Qxe3 Nef6 16. c4 Rb8 17. Rfb1 Qc7 18. Nd2 b6 19. Nb3 Nc5 20. axb6 Rxb6 21. Nxc5 dxc5 {½-½ (59) Carlsen,M (2838)-Vachier Lagrave,M (2803) Karlsruhe/Baden-Baden 2017}) 13... Bg5 14. f4 Bxf4 {Black is slightly better.} 15. Bxf4 exf4 16. Rxf4 Ne5 17. Qd4 Nf6 {[%cal Be8f6,Bf6d7,Bd7c5][%mdl 32]} 18. Raf1 Nfd7 19. Qd2 Rc8 20. Nd4 g6 21. R4f2 Qh4 22. Rf4 Qe7 23. b3 Nc5 24. Qe1 Qg5 (24... f5 $11) 25. Qd2 (25. h4 $14 Qe7 26. Qg3) 25... Qe7 26. Qe1 Qg5 (26... f5 $11) 27. Qd2 (27. h4 $5 {[%cal Rh4g5]} Qe7 28. Qg3 $11) 27... Qe7 28. Qe1 Qg5 (28... f5 $11) 29. Qd2 (29. h4 $5 {[%cal Rh4g5]} Qd8 30. Qg3 $11) 29... Qe7 30. Qe1 Qg5 {Precision: White = 32%, Black = 31%.} (30... f5 $11) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Srijit Paul"]
[Black "Tran, Tuan Minh"]
[Result "1/2-1/2"]
[ECO "B86"]
[WhiteElo "2347"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,87,14,14,14,12,23,20,37,18,19,0,0,0,0,-11,0,-50,-45,-54,-50,-42,-40,-77,-44,-58,-75,-64,-62,-62,-11,-11,-11,-11,0,0,0,0,0,0,0,0,0,-6,-8,-16,-11,-10,-12,-36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Nbd7 8. Bg5 Nc5 9. f4 {B86: Sicilian Scheveningen/Najdorf: 6 Bc4, without early ...b5} (9. O-O Be7 10. Re1 h6 11. Bh4 Nxb3 12. axb3 g5 13. Bg3 e5 14. Nde2 Be6 15. f3 Rc8 16. Bf2 h5 17. Ng3 {½-½ (48) Rublevsky,S (2683)-Oparin,G (2602) Moscow 2017}) 9... Be7 10. Qf3 Qc7 11. O-O b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. f5 b4 13. fxe6 {LiveBook: 4 Games} fxe6 14. Na4 Nxb3 15. cxb3 e5 {[#] White must now prevent ...Qa7.} 16. Nf5 Bxf5 $146 ({Predecessor:} 16... O-O) 17. Qxf5 {[%cal Rg5f6]} O-O $1 18. Qe6+ Kh8 19. Bxf6 Bxf6 20. Rad1 Bg5 21. Qc4 Be3+ 22. Kh1 Qb7 23. Qe6 Rxf1+ ({Don't play} 23... Qxe4 24. Rxf8+ Rxf8 25. Qxd6 $11) 24. Rxf1 Qb5 {[%cal Rb5f1] [#]} 25. Rf7 Qd3 {( -> ...Qd1+)} 26. Qc4 $1 {[%cal Rc4d3]} Qxc4 (26... Qd2 $1 $15) 27. bxc4 $15 {[%mdl 4096] Endgame KRB-KRN} Kg8 28. Rf3 Rf8 29. Rxf8+ $1 Kxf8 $11 {KB-KN} 30. b3 Bd4 31. g3 Kf7 32. Kg2 Kf6 33. Kf3 Kg5 34. h3 h6 {[%cal Bh7h6,Bh6h5,Bh5h4][%mdl 32]} 35. Kg2 h5 36. Kf3 h4 37. g4 {The position is equal.} Kg6 38. c5 Bxc5 {And now ...Bd4 would win.} 39. Nb2 $1 Kf6 40. Nd3 g6 41. Ne1 Ke6 42. Ke2 d5 43. Kd3 $1 Be7 44. Nf3 {Precision: White = 79%, Black = 67%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Vantika Agrawal"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2296"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,120,45,38,68,26,31,23,24,22,28,-22,-18,-16,-16,-12,-18,-37,-49,-41,-32,-66,-72,-79,-74,-98,-92,-82,-22,-177,-177,-220,-225,-208,-204,-218,-226,-254,-215,-208,-202,-201,-239,-242,-196,-251,-242,-327,-324,-330,-285,-283,-295,-295,-302,-302,-274,-270,-250,-384,-371,-410,-408,-404,-398,-404,-386,-397,-389,-490,-483,-980,-1007,-793,-735,-1162,-1258,-12837,-12838,-12840,-12840,-12842,-12841,-12841,-12841,-12841,-12841,-12850,-12850,-12851,-12851,-12851,-12851,-12851,-29978,-12851,-29979,-12851,-29978]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. O-O d6 6. c4 Nbd7 7. Nc3 e5 8. e4 Re8 9. h3 exd4 10. Nxd4 Nc5 11. Re1 Bd7 12. Bf4 Qc8 13. Kh2 {LiveBook: 17 Games. E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} h5 14. b4 Ne6 15. Nxe6 {White is slightly better.} Bxe6 16. Nd5 h4 17. Bh6 $146 ({Predecessor:} 17. Nxf6+ Bxf6 18. Rc1 Be5 19. Bxe5 dxe5 20. gxh4 Qd8 {½-½ (36) Bator,R (2430)-Carlson,M (2295) Stockholm 1998}) 17... hxg3+ 18. fxg3 {Threatens to win with Bxg7.} Nd7 $36 {[%cal Bf6d7,Bd7e5,Be5f3][%mdl 2080] Black has the initiative.} 19. Bxg7 Kxg7 20. c5 dxc5 21. bxc5 c6 22. Nf4 Ne5 23. Qd4 f6 24. Rad1 Bf7 25. a4 g5 (25... Qc7 $17 26. Nd3 Rad8) 26. Nd3 $2 {[#]} (26. Qc3 $11) 26... Qxh3+ $1 $19 {[%mdl 512]} 27. Bxh3 Nf3+ 28. Kg2 Nxd4 29. Rb1 Re7 30. Rb2 Nb3 31. Reb1 {[#]} Na5 $1 ({Resist} 31... Rxe4 32. Bf5 $17) 32. Bf5 Rd8 33. Nf2 Bg6 34. Bxg6 (34. g4 $142) 34... Kxg6 35. Rf1 Nc4 36. Re2 Rd2 37. Rxd2 Nxd2 {[%mdl 4096] Endgame KRN-KRN} 38. Re1 Nb3 39. Nd3 Rd7 40. Re3 Nd4 41. g4 (41. Nc1 {is a better defense.}) 41... Ne6 {Hoping for ...Rxd3!} 42. Kg3 Rd4 43. e5 f5 44. gxf5+ Kxf5 45. a5 a6 46. Nf2 Nxc5 47. Rc3 (47. e6 $142 Nxe6 48. Rb3) 47... Ne4+ 48. Nxe4 Rxe4 {KR-KR} 49. Rb3 Rxe5 50. Rxb7 Rxa5 51. Rb3 c5 52. Rc3 Rb5 53. Rc4 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 54. Ra4 Ke5 55. Rg4 Rb4 {( -> ...Rxg4+)} 56. Rxg5+ Kd4 57. Kf2 a4 58. Rg8 a3 59. Ra8 Rb2+ (59... c4 $19 60. Rxa3 c3) 60. Kf3 a2 {Precision: White = 24%, Black = 77%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Sangma, Rahul"]
[Black "Tukhaev, Adam"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2295"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,82,-5,-7,-20,-20,-56,-16,-32,-25,-54,-38,-48,-59,-75,-24,-22,-21,-40,-22,-60,-61,-56,-42,-87,-90,-104,-48,-31,-59,-191,-201,-190,-184,-186,-190,-185,-170,-188,562,-222,-233,-250,-254,-316,-314,-302,-296,-337,-318,-502,-511,-569,-508,-580,-572,-564,-520,-506,-473,-452,-465]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 O-O 6. Be3 a6 7. a4 b6 8. Bc4 e6 9. e5 dxe5 10. Nxe5 Bb7 11. O-O Nc6 {B08: Pirc Defence: Classical System} 12. Nxc6 Bxc6 {LiveBook: 14 Games} 13. a5 $146 ({Predecessor:} 13. Qe2 Qc8 14. Rfd1 Qb7 15. f3 Rfe8 16. Bf4 Bd5 17. Bxd5 exd5 18. Qd2 c5 19. Be5 {½-½ (44) Delchev,A (2625)-Chatalbashev,B (2593) Albena 2010}) 13... b5 {The position is equal.} 14. Be2 Qd7 15. Bf3 Rfd8 16. Qe2 b4 17. Bxc6 Qxc6 18. Na4 Rd5 ({Better is} 18... Ne4 $17 19. Qd3 e5) 19. Nc5 $11 Nd7 {[%cal Rd7c5]} 20. Nd3 Rb8 21. c3 bxc3 22. bxc3 Qxc3 23. Rfc1 Qb3 24. Nf4 Rd6 ({Wrong is} 24... Bxd4 $2 25. Nxd5 Qxd5 26. Bxd4 $18) (24... Rxd4 $17 {And now ...Rd6 would win.} 25. Bxd4 Bxd4 26. Qxa6 Bxa1 27. Rxa1 Qc3) 25. Rxc7 $15 Bxd4 26. Rac1 {[#]} (26. Bxd4 $15 Rxd4 27. Qxa6) 26... Bxe3 $1 $19 27. Qxe3 Rd1+ 28. Rxd1 Qxd1+ 29. Kh2 Qd6 $36 {[%mdl 2048] Black is really pushing.} 30. Rc4 Rb4 $4 {[%mdl 8192]} (30... Rb5 $19 31. Qg3 Rc5 32. Rxc5 Nxc5) 31. Rxb4 $4 {[%mdl 8192]} (31. Qa3 $18) 31... Qxb4 32. g3 e5 ({Much less strong is} 32... Qxa5 33. Nxe6 Qb6 34. Nd4) 33. Nd5 Qxa5 34. Qd3 {White wants to play Ne7+.} Qb5 35. Ne7+ {[#]} Kg7 $1 36. Qd6 (36. Qd2 $142) 36... Nf6 {Hoping for ...Qb2.Black is clearly winning.} 37. Nc6 Qb6 38. Kg2 Qxf2+ 39. Kxf2 Ne4+ 40. Ke3 Nxd6 41. Nxe5 a5 {Precision: White = 25%, Black = 48%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.16"]
[Round "3"]
[White "Dixit, Nikhil"]
[Black "Nitin Shankar Madhu"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "2271"]
[BlackElo "1971"]
[Annotator "NA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:31]} 2. Nf3 {[%emt 0:00:01]} b6 {[%emt 0:00:01]} 3. d4 {[%emt 0:04:36]} cxd4 {[%emt 0:00:01]} 4. Nxd4 {[%emt 0:00:00]} Bb7 {[%emt 0:00:00]} 5. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:00] B27: Sicilian: 2 Nf3, unusual Black 2nd moves} (5... a6 6. g3 e6 7. Bg2 Nf6 8. O-O Qc7 9. Re1 d6 10. Nd5 Nxd5 11. exd5 e5 12. f4 Nd7 13. fxe5 Nxe5 {0-1 (59) Safarli,E (2639)-Ponkratov,P (2613) Riadh 2017}) 6. Ndb5 {[%emt 0:07:39]} d6 {[%emt 0:06:54]} (6... Nc6 $16) 7. Bf4 {[%emt 0:00:01]} e5 {[%emt 0:00:00]} 8. Nd5 {[%emt 0:00:52]} Na6 {[%emt 0:09:26]} 9. Nd4 $146 {[%emt 0:02:58]} ({Predecessor:} 9. Be3 $18 Be7 10. Nxe7 Kxe7 11. Nc3 Nf6 12. Bg5 Nc7 13. Bc4 {½-½ (22) Salai,L (2373)-Hera,I (2380) Slovakia 2005}) 9... Nc5 {[%emt 0:13:25]} 10. Bb5+ {[%emt 0:09:23]} Nd7 {[%emt 0:00:00]} 11. Bg5 $2 {[%emt 0:32:47]} (11. Nc6 $14 {stays ahead.} Bxc6 12. Bxc6) 11... Qxg5 {[%emt 0:11:38]} 12. Nc7+ {[%emt 0:00:03]} Ke7 {[%emt 0:00:00]} 13. Nf5+ {[%emt 0:05:59] [#]} Kd8 $1 {[%emt 0:00:00]} 14. Nxa8 {[%emt 0:06:52]} Qxg2 {[%emt 0:02:13]} 15. Ng3 {[%emt 0:16:22]} Qh3 {[%emt 0:00:00]} 16. Qf3 {[%emt 0:00:00]} Ngf6 {[%emt 0:00:00]} 17. Qc3 {[%emt 0:03:04]} Bxa8 {[%emt 0:04:58]} 18. Bc6 {[%emt 0:00:02]} Bxc6 {[%emt 0:00:00]} 19. Qxc6 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 20. O-O-O {[%emt 0:03:34]} Qe6 {[%emt 0:00:01]} 21. Kb1 {[%emt 0:04:52]} h5 {[%emt 0:00:01]} 22. h4 {[%emt 0:01:07]} Ke7 $19 {[%emt 0:05:02]} 23. f4 {[%emt 0:00:00]} exf4 {[%emt 0:00:00]} 24. Ne2 {[%emt 0:00:00]} Ne5 {[%emt 0:00:00]} 25. Qa8 {[%emt 0:00:00]} Qd7 {[%emt 0:00:01]} 26. Nxf4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:01]} 27. Nd5+ {[%emt 0:00:00]} Nxd5 {[%emt 0:00:00]} 28. Qxd5 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 29. Rhf1 {[%emt 0:01:20]} Rc5 {[%emt 0:06:31]} 30. Qd2 {[%emt 0:00:00]} Qe6 {[%emt 0:00:00]} 31. Qb4 {[%emt 0:00:01]} Nc4 {[%emt 0:04:33]} 32. Rd5 {[%emt 0:00:01]} Ne3 {[%emt 0:01:17]} 33. Re1 {[%emt 0:00:00]} Nxc2 {[%emt 0:00:00]} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Short, Nigel D"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2656"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,30,20,12,-13,-3,0,4,0,16,25,21,20,22,18,24,18,6,12,30,0,0,0,33]} 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. a4 {B23: Closed Sicilian: Lines without g3} Bg7 7. O-O e6 8. f5 exf5 9. exf5 $146 ({Of course not} 9. Bxc6 bxc6 10. exf5 Bxf5 $15) ({Predecessor:} 9. d3 Nge7 10. Qe1 O-O 11. Qh4 f6 12. Bc4+ Kh8 13. Nb5 Be8 {0-1 (39) Carlsen,M (2855)-Giri,A (2782) Leuven 2016}) 9... Bxf5 10. d4 $1 {[%cal Rd4d5] [#] d5 is the strong threat.} cxd4 11. Nxd4 Nge7 12. Bg5 {Strongly threatening Nxc6.} Qb6 13. Be3 Qd8 14. Bg5 {[#] Black must now prevent Nxc6.} (14. Nd5 $5) 14... Qb6 15. Be3 Qd8 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Karthikeyan, Murali"]
[Black "Srijit Paul"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2617"]
[BlackElo "2347"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,19,27,7,16,25,36,40,33,27,24,-21,56,54,61,66,61,64,77,52,113,89,104,87,97,65,217,212,280,269,367,375,286,206,200,208,210,207,649,641,528,538,1163,1148]} 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 g6 5. h3 Bg7 6. Bxc6 dxc6 7. d3 Qc7 8. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} b6 9. Qd2 e5 (9... O-O 10. O-O e5 11. Bh6 Nh5 12. Bxg7 Kxg7 13. Ne2 f6 14. Nh2 Be6 15. b3 a5 16. a4 Rad8 17. f4 Nxf4 18. Nxf4 exf4 19. Qxf4 Qxf4 20. Rxf4 f5 21. exf5 Rxf5 22. Rxf5 Bxf5 {1-0 (59) Moiseenko,V (2543)-Gluhovsky,M (2312) Sochi 2017}) 10. Bh6 O-O {LiveBook: 7 Games} 11. g4 Be6 $146 ({Predecessor:} 11... a5 12. Bxg7 Kxg7 13. Ne2 a4 14. a3 Qe7 15. Qg5 Re8 {½-½ (30) Toropov,M (2367)-Zlotkowski,A (2323) ICCF email 2011}) 12. Ne2 c4 13. Bxg7 Kxg7 14. g5 Nd7 15. d4 exd4 (15... f5 $11) 16. Nfxd4 $14 Nc5 17. O-O-O Kg8 18. f3 Rad8 19. h4 {[%cal Bh3h4,Bh4h5][%mdl 32]} Qe5 (19... Bc8 $14) 20. Qe3 Rd6 21. h5 Bc8 22. Rd2 Ba6 $2 (22... b5 $14) 23. Kb1 $18 Re8 24. Nc3 Ne6 25. Nxe6 {aiming for Nc7.} Qxe6 26. f4 {hxg6 is the strong threat.} Rxd2 27. Qxd2 Bb7 {[#]} 28. Qh2 $1 {Black must now prevent hxg6.} ({Don't play} 28. hxg6 $6 fxg6 29. Rf1 Rf8 $16) 28... Kf8 $2 (28... Qd7 29. Rd1 Qe6) 29. hxg6 {White is clearly winning.} hxg6 30. a3 c5 {[#]} 31. Nd5 $1 {[%mdl 512] Precision: White = 70%, Black = 31%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Aravindh, Chithambaram VR."]
[Black "Gukesh D"]
[Result "0-1"]
[ECO "D73"]
[WhiteElo "2597"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,114,13,14,31,24,24,18,41,11,26,0,0,0,18,6,19,15,25,0,14,4,27,0,56,35,81,78,80,84,99,65,87,25,29,28,25,-6,0,-97,-35,-162,-151,-136,84,82,75,54,108,108,101,101,103,104,106,96,152,156,161,156,146,150,141,78,79,79,78,78,79,79,79,63,60,60,72,0,78,78,78,78,78,78,78,78,78,78,78,78,87,86,93,93,100,72,79,79,78,78,335,0,0,-104,-104]} 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 g6 5. O-O Bg7 6. d4 dxc4 7. a4 O-O 8. Na3 {LiveBook: 40 Games. D73: Fianchetto Grünfeld: 5 Nf3} a5 (8... Be6 9. Ng5 Qc8 10. Qc2 Rd8 11. Nxe6 Qxe6 12. e3 {½-½ (37) Jumabayev,R (2603)-Zubov,A (2623) Bastia 2017}) 9. Nxc4 Be6 10. b3 {White has an edge.} Na6 {[%cal Bb8a6,Ba6b4,Bb4a2][%mdl 32]} 11. Ba3 $146 ({Predecessor:} 11. Bb2 Bd5 12. e3 Nb4 13. Qe2 Be4 14. Ne1 Bxg2 15. Nxg2 Ne4 16. Rfd1 Qc7 17. Rac1 Na2 18. Rc2 Nb4 19. Rcc1 Na2 20. Rc2 Nb4 {½-½ (20) Konopka,M (2489)-Jirka,J (2393) Czechia 2006}) 11... Nb4 12. Rc1 Na2 13. Ra1 Nb4 14. e3 Bd5 15. Rc1 Na2 16. Ra1 Nb4 17. Qe2 b5 18. Nce5 Qb6 (18... bxa4 $11 19. bxa4 Ne4) 19. Rac1 Bxb3 20. Bxb4 axb4 21. Rxc6 Qa5 22. axb5 {Hoping for Nd2.} Ba4 23. Nd2 (23. Rc5 $16 Ne4 24. Nc6) 23... Bxb5 $11 24. Ndc4 Qa4 25. Qd2 Rab8 26. Rc7 (26. Qb2 $11 {remains equal.} Bxc6 27. Nxc6) 26... b3 (26... Ne8 $1 $17 {[%cal Re8c7]} 27. Rc5 Bxe5 28. dxe5 Ng7) 27. Qc3 {[#]} (27. Rc1 $15) 27... Ne8 $1 $19 {[%cal Re8c7]} 28. Rc5 {Threatens to win with Ra1.} Nd6 $2 (28... Bxe5 $17 {keeps the pressure on.} 29. dxe5 Qa7 30. Rxb5 Rxb5) 29. Ra1 $16 Bxc4 30. Rxc4 Qb5 ({Black should try} 30... Qxa1+ $14 31. Qxa1 Bxe5) 31. Rc5 $36 {[%mdl 2048] White is in control.} Qb4 32. Nc6 Qxc3 33. Nxe7+ Kh8 34. Rxc3 {Strongly threatening Rb1.} b2 ({Better is} 34... Nb5 35. Rxb3 Nxd4 36. Rxb8 Ne2+ 37. Kf1 Rxb8) 35. Rb1 Rb5 36. Rc2 Rfb8 37. Nc6 R8b6 38. Na7 (38. e4 $142) 38... Ra5 39. Rcxb2 Rxb2 40. Rxb2 {aiming for Rb8+.} Bxd4 41. Rb8+ Kg7 42. Nc6 Ra1+ 43. Bf1 Bf6 44. Rb4 (44. Kg2 $16) 44... Rc1 (44... Bc3 $1 $11) 45. Nd4 h5 46. h4 Rd1 47. Nf3 Ra1 48. Kg2 Ra2 49. Bd3 Ra3 50. Bb1 Rc3 51. Rb6 Nc4 52. Rb7 Rc1 53. Ng1 Ne5 54. Nh3 Rd1 55. Nf4 {Bxg6! is the strong threat.} Rd2 $2 {[%mdl 8192] [#]} (55... Kf8 $16) 56. Be4 $2 (56. Bxg6 $1 $18 {[%mdl 512]} Bxh4 (56... Nxg6 57. Nxh5+) 57. Bxf7 (57. Nxh5+ Kxg6 58. Nf4+ Kg5 $16)) 56... Ng4 $11 57. Bd5 (57. Kg1 $11 Rd1+ 58. Kg2) 57... Nxe3+ $1 {Precision: White = 47%, Black = 54%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Sandipan, Chanda"]
[Black "Rathnakaran, K.."]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "2573"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,87,74,47,47,61,65,43,37,35,44,33,53,53,61,33,68,76,74,54,161,166,153,166,152,164,150,157,164,160,216,216,213,202,187,162,187,197,364,287,352,348,372,369,405,447,983,922,1016,1011,1004,993,1064,1068,1043,1065,1041,1046,1012,1012,997,990,971,959,945,847,818,768]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 Na6 7. Nf3 h6 8. Be3 {E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} Ng4 9. Bc1 e5 10. O-O c6 11. d5 f5 12. g3 {LiveBook: 3 Games} f4 $1 13. Nh4 g5 $1 14. Bxg4 gxh4 15. gxf4 exf4 16. Kh1 {[#]} Nc5 $146 ({Predecessor:} 16... Be5 17. Rg1 Kh7 18. Bd2 Qf6 19. Bh5 Rg8 20. Rxg8 Kxg8 21. Qf3 {1-0 (21) Sandipan,C (2566)-Bogdanovich,S (2564) Sanya City 2017}) 17. Rg1 {And now b4 would win.} Kh8 18. Qf3 Bxc3 19. Qxc3+ Qf6 {White must now prevent ...Qxc3.} 20. Qf3 $1 {Bd2 is the strong threat.} Qe5 (20... cxd5 $1 $14 21. exd5 (21. cxd5 Qe5 $11) 21... Bxg4 22. Rxg4 Rae8) 21. Bxc8 $1 $18 Raxc8 22. Bd2 $1 {[%cal Rd2c3] aiming for Bc3.} Nxe4 23. Bc3 $1 {[%cal Rc3e5]} Nxc3 24. Rae1 $1 {[%cal Re1e5]} Qf5 {[%cal Rc3d5]} 25. Re6 Rf6 (25... Rc7 $16) 26. Qg2 $40 {[%csl Gg1][%cal Rg2g7][%mdl 128] White has strong attack.} ({Don't play} 26. Qxc3 Rcf8 $16) 26... Qg5 27. Qxg5 hxg5 28. Rxf6 {[%mdl 4096] Endgame KRR-KRN} Ne4 {[#]} 29. Re6 $1 {[%cal Re6e4]} Nxf2+ (29... cxd5 $142 30. f3 (30. cxd5 Nxf2+ 31. Kg2 Rc2 $14) 30... Nf2+ 31. Kg2 Nd3) 30. Kg2 Ng4 31. h3 Ne5 32. c5 $1 cxd5 33. cxd6 Rc2+ {[#]} (33... f3+ $142 34. Kh1 f2) 34. Kf1 $1 Rc1+ 35. Ke2 f3+ 36. Kd2 Rxg1 37. Rxe5 {Threatening mate with d7. KR-KR} f2 38. d7 f1=Q 39. d8=Q+ Kg7 40. Re7+ Qf7 41. Rxf7+ Kxf7 42. Qxd5+ Kg6 43. Qxb7 Rg3 44. Qd7 {Precision: White = 98%, Black = 48%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Tukhaev, Adam"]
[Black "Anand Nadar"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2551"]
[BlackElo "2368"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,34,16,38,15,15,15,16,12,9,15,14,8,27,6,7,0,17,10,20,0,22]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. O-O {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Nf6 8. Qe1 e6 {LiveBook: 8 Games} 9. Bf4 $146 {White is slightly better.} (9. f3 {is more complex.} Bh5 10. Qh4 h6 11. Qh3 e5 12. Re1) ({Predecessor:} 9. h3 Bh5 10. Nf4 Bg6 11. Nxg6 hxg6 12. Nd2 Bd6 13. Nf3 Nh5 14. Qe2 Nf4 15. Bxf4 Bxf4 {1-0 (64) Piorun,K (2642)-Donchenko,A (2574) Berlin 2018}) 9... Bd6 10. Bxd6 Qxd6 11. Ng3 O-O 12. Na3 {[%cal Bb1a3,Ba3c2,Bc2d4][%mdl 32]} Rfe8 13. Qd2 e5 14. dxe5 Nxe5 {The position is equal.} 15. Nc2 Rad8 16. Nd4 Nc4 17. Qc2 Qf4 {[%mdl 32768] Loss on Time!?} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Vishnu Prasanna. V"]
[Black "Saurabh Anand"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2532"]
[BlackElo "2294"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,109,14,2,1,37,32,53,40,52,47,46,46,57,55,58,52,55,43,47,43,59,42,41,47,40,38,43,33,45,35,53,40,63,53,61,54,44,25,72,72,72,73,83,75,287,91,287,285,368,365,576,536,522,505,425,379,1128,976,1322,1018,1581,1647,1657,1650,1554,1572,1350,915,1939,1933,29970,29971,29968,2351,29968,6532,29980,29981,29982,29983,29984,29985,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29990,29990,29991,29991]} 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. e3 O-O 6. b3 c5 {D37: Damengambit (5.Lf4)} 7. dxc5 Bxc5 (7... dxc4 8. Bxc4 Bxc5 9. O-O Nc6 10. Bb2 Qe7 11. a3 Rd8 12. Qc2 Bd7 13. Ng5 h6 14. Nge4 Nxe4 15. Nxe4 {1-0 (43) Mamedyarov,S (2799)-Cheparinov,I (2710) Riadh 2017}) 8. Bb2 Nc6 {LiveBook: 6 Partien. Die Stellung ist ausgeglichen.} 9. Be2 b6 (9... dxc4 {is interesting.} 10. Bxc4 Qxd1+ 11. Rxd1 b6 12. O-O Bb7) 10. cxd5 Nxd5 $146 ({Vorgänger:} 10... exd5 11. Bb5 Bb7 12. Bxc6 Bxc6 13. Nd4 Bd7 14. h3 {½-½ (34) Ternault,M (2244)-Dubois,P (2090) Sautron 2014}) 11. Nxd5 Qxd5 12. Qxd5 exd5 13. O-O Bb7 14. Rfd1 Rfd8 15. a3 Rac8 16. h3 Bf8 17. b4 g6 18. Rd2 Bg7 19. Bxg7 Kxg7 20. Rad1 Ne7 21. Nd4 a6 22. Rd3 Rd6 23. Kf1 f5 24. f4 (24. g4 {looks sharper.} h6 25. Kg2 Kf6 26. Bf3 Rd7 27. Kg3) 24... Nc6 25. Nxc6 Bxc6 26. Rc3 Rdd8 27. Rdc1 Bb7 28. Rc7+ Kf6 29. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Re8 $2 (29... Ke6 $16) 30. g5+ $18 Ke6 {[#]} 31. e4 $1 {[%cal Re4f5]} Rxc7 32. Rxc7 Re7 (32... Bc8 {ist eine bessere Verteidigung.} 33. e5 Bd7 34. Bxa6 Re7) 33. exf5+ gxf5 34. Rxe7+ Kxe7 {[%mdl 4096] Endspiel KL-KL} 35. Bf3 Ke6 $2 (35... h6 36. gxh6 Kf6) 36. Ke2 Bc8 37. Kd3 Kd6 38. Kd4 Be6 39. h4 {[%cal Bh3h4,Bh4h5,Bh5h6][%mdl 32]} Bf7 40. h5 Be6 41. h6 {Schwarz muss nun g6! beachten.} Bf7 42. a4 {[%cal Ba3a4,Ba4b5][%mdl 32]} Bg8 {[#]} 43. g6 $1 {[%mdl 512]} hxg6 {[#]} 44. Bxd5 $1 {[%mdl 512]} Bh7 (44... Bxd5 45. h7) 45. b5 axb5 46. axb5 {Weiß setzt Matt.} Ke7 47. Ke5 Kf8 48. Kf6 Bg8 49. Bxg8 Kxg8 50. Kxg6 Kh8 51. Kxf5 {KB-KB} Kh7 52. Kg5 Kg8 53. Kg6 Kh8 54. f5 Kg8 55. Kf6 {Precision: Weiß = 78%, Schwarz = 39%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Burmakin, Vladimir"]
[Black "Saravana, Krishnan P."]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2528"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,73,26,6,21,6,31,4,33,23,30,19,28,12,28,-8,22,0,-2,-27,-25,-26,-15,-18,0,-23,0,7,0,-15,0,0,0,0,29,30,16,0,23,14,94,93,124,85,90,61,63,60,60,77,64,49,64,62,132,79,141,31,22,21,33,0,8,0]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 d6 7. c3 {LiveBook: 11 Games} a6 {A05: Réti Opening: 1 Nf3 Nf6} (7... Nbd7 8. Nd4 c6 9. f4 O-O 10. Be3 a6 11. Nd2 Rb8 12. h3 Qc7 13. g4 c5 14. Ne2 d5 15. e5 {1-0 (25) Cuhendi,S (2404)-Lajthajm,B (2465) Novi Sad 2017}) 8. a4 Nbd7 9. Na3 O-O 10. axb5 $146 ({Predecessor:} 10. Bd2 Nc5 11. axb5 axb5 12. Be3 c6 13. e5 Nd5 14. d4 Nd7 15. Nc2 Rxa1 16. Qxa1 {0-1 (68) Aguettaz,M (2065)-Ohl,C France 2000}) 10... axb5 11. Nd4 c6 12. Re1 Qc7 13. Be3 Rfe8 14. Ndc2 d5 15. f3 e5 16. Bf2 Rad8 17. exd5 Nxd5 18. d4 b4 19. cxb4 Nxb4 20. Qd2 Nd5 21. Nc4 {[%cal Rd4e5]} exd4 22. Nxd4 Bf8 23. Rxe8 Rxe8 24. Nb3 Ne5 25. Nxe5 Bb4 (25... Qxe5 $11 26. f4 Qh5) 26. Qd4 $16 Qxe5 27. Qxe5 Rxe5 28. f4 Re2 29. Ra7 Bc8 30. Ra8 Re8 31. Bc5 Bxc5+ 32. Nxc5 Nb6 (32... Kf8 $14) 33. Rb8 (33. Bxc6 $142 Nxa8 34. Bxe8) 33... Nd7 {[#]} ({Black should play} 33... Nd5) 34. Nxd7 (34. Rxc8 $1 $16 {[%mdl 512]} Rxc8 35. Nxd7) 34... Bxd7 $14 35. Rb7 Rd8 $1 36. b4 Be8 $1 37. Rb6 {Precision: White = 43%, Black = 36%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Shyam, Sundar M."]
[Black "Koustav Chatterjee"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2518"]
[BlackElo "2364"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,18,0,0,9,9,10,0,0,0,-2,0,7,-46,-43,-47,-55,-53,-47,-51,-41,-62,-54,-42,-4,-15,0,-33,-29,-37,0,0,59,0,39,0,0,0,0,0,0,0,0,0,0,-20,-13]} 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: 37 Games} (8... Nc6 9. Nxc6 bxc6 10. Bc4 e5 11. b3 Be7 12. Bb2 O-O 13. Qe2 Nf6 14. O-O-O Be6 15. Bxe6 fxe6 {1-0 (40) Hou,Y (2666)-Navara,D (2737) Biel 2017}) 9. f3 e5 10. Nb3 Be6 11. Be3 Nbd7 12. Qd2 Be7 13. O-O-O b5 14. Nd5 $146 (14. h4 $11) ({Predecessor:} 14. Kb1 b4 15. Nd5 Bxd5 16. exd5 a5 17. Bb5 a4 18. Nc1 {½-½ (18) Grimm,D (2271)-Takacs,B (2354) Heviz 2013}) 14... Bxd5 $15 15. exd5 Nb6 $1 16. Bxb6 Qxb6 17. Kb1 O-O 18. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} a5 19. a3 {[%cal Ba2a3,Ba3a4][%mdl 32]} Rfc8 20. h4 Rc7 21. g5 Nh5 $1 22. Bd3 b4 23. a4 $1 Rac8 (23... g6 $11) 24. Bf5 (24. f4 $1 $14) 24... Rd8 25. Bg4 Nf4 {The position is equal.} 26. gxh6 gxh6 27. Bf5 Kh8 28. Rdg1 h5 29. Rg3 Bf6 30. Be4 Rcc8 {Precision: White = 64%, Black = 66%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Tran, Tuan Minh"]
[Black "Suvrajit, Saha"]
[Result "1/2-1/2"]
[ECO "E51"]
[WhiteElo "2512"]
[BlackElo "2217"]
[Annotator "TA"]
[PlyCount "281"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,281,23,10,12,-32,-28,-67,-15,-26,-17,-27,-34,-34,-29,-30,13,30,31,24,22,0,33,23,26,29,41,47,62,0,0,-35,0,-20,-11,-14,0,-64,10,0,8,17,73,-26,-20,-27,-22,-27,-27,-28,-27,-18,0,0,0,0,38,10,11,-15,-22,-28,0,-37,0,0,734,695,665,570,553,540,508,208,208,195,218,206,214,147,135,135,143,33,68,33,31,0,0,0,0,0,13,13,25,35,175,178,187,173,152,139,161,166,166,157,156,162,165,162,145,0,110,88,149,154,144,143,165,164,192,184,186,185,179,179,227,205,187,183,210,205,233,160,150,136,204,203,133,120,158,158,152,125,174,181,193,183,188,182,176,203,117,276,245,243,263,252,252,249,301,124,139,124,122,116,109,109,114,122,137,0,286,289,412,408,427,405,408,202,178,105,105,0,0,0,0,0,0,0,0,0,0,0,0,0,137,136,123,116,116,115,104,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-13,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-29,-8,-8,-8,-8,-8,-8,-8,-10,-8,-8,-11,-45]} 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 dxc4 7. Bxc4 Be7 8. Nf3 {[%cal Bg1f3,Bf3e5,Be5g4][%mdl 32]} c5 9. O-O a6 {E51: Nimzoindisch (Moderne Variante)} (9... Nbd7 10. e4 cxd4 11. Nxd4 Ne5 12. Be2 Bd7 13. Be3 Nc6 14. Rc1 Nxd4 15. Bxd4 Bc6 16. Qd3 Nd7 17. Qg3 e5 {1-0 (44) Milov,V (2690)-Kortschnoj,V (2598) Baku 2008}) 10. Ne5 $146 ({Vorgänger:} 10. Bd3 Nbd7 11. Qe2 b5 12. dxc5 Nxc5 13. Bc2 Bb7 14. e4 Qc7 15. Bg5 h6 16. Bh4 Nh5 17. Bxe7 Qxe7 {½-½ (64) Hellsten,J (2570)-Berg,E (2589) Gothenburg 2006}) 10... b5 11. Qf3 Ra7 (11... Qc7 $1 $15 12. Be2 (12. Qxa8 Bb7 $17) 12... Nbd7) 12. Bd3 Rc7 13. Rd1 Bb7 14. Qh3 Nbd7 15. Ng4 c4 16. Bc2 Qa8 17. f3 Rd8 18. Kh1 Rcc8 19. Nxf6+ Nxf6 20. e4 Nd7 21. Be3 e5 22. Rd2 (22. Nd5 $14 Bxd5 23. exd5) 22... exd4 $11 23. Rxd4 Nc5 24. Rad1 Rxd4 25. Bxd4 Rd8 26. e5 (26. Nd5 $1 $11 Bxd5 27. exd5) 26... g6 {[#]} (26... h6 $1 $15 27. Be3 Rxd1+ 28. Nxd1 Qd8) 27. e6 $1 {[%cal Re6f7][%mdl 512] jetzt exf7+ und aus.} f6 (27... Nxe6 28. Bxg6) 28. Qg4 Kg7 (28... Nd3 $1 $11 29. Bxd3 cxd3) 29. h4 (29. Ne2 $1 $16) 29... Qc8 $1 {[%cal Rc8e6]} 30. Bf5 {[#] Weiss will h5 spielen.} Nd3 $1 {[%mdl 512]} 31. Bxd3 cxd3 32. Rxd3 Qc4 33. Rd1 Bc8 34. Qf4 Qxe6 35. Ne4 Rd7 36. h5 {[%cal Bh4h5,Bh5h6][%mdl 32]} Qf5 37. h6+ Kf7 38. Qb8 Bb7 39. Re1 Qh5+ (39... Bxe4 $5 40. Rxe4 Bd8 $15) 40. Kg1 {Weiss will mit Sxf6! Matt setzen.} Qh4 $2 {[%mdl 8192]} (40... Bxe4 $11 41. Rxe4 Qxh6) 41. Bf2 Qxh6 42. Nc5 Bc6 43. Nxd7 Bxd7 {[#]} 44. Qb7 (44. Rxe7+ $142 $1 {[%mdl 512]} Kxe7 45. Bc5+ Kf7 46. Qd6 Qc1+ 47. Kh2 Qh6+ 48. Kg3 Qg5+ 49. Kf2 Qh4+ 50. Ke2 Qc4+ 51. Kd2) 44... Qd2 $18 45. Qe4 Bd6 46. Bd4 Kg7 47. Qh4 g5 48. Qf2 Qf4 {[#]} 49. b4 ({Lieber} 49. g3 $1 $16 {[%cal Rg3f4][%mdl 512]} Qf5 (49... Qxg3+ 50. Qxg3) 50. g4) 49... Qh2+ $14 50. Kf1 Bf5 51. Rd1 (51. Qd2 $5 {[%cal Rd2g5]} Qh1+ 52. Bg1 $14) 51... Be6 52. Ke2 Bg3 53. Qg1 Qh4 54. Kd3 Qf4 55. Qe3 Bf5+ (55... Bc4+ $1 $14 56. Kc3 Qxe3+ 57. Bxe3 Kg6) 56. Ke2 $18 Qxe3+ 57. Bxe3 {[%mdl 4096] Endspiel KTL-KL} Be6 58. Bf2 Be5 59. Bd4 Bf4 60. Kf2 h5 61. Bc5 Bc7 62. Bd6 $1 {[%cal Rd6c7]} Bb6+ 63. Bc5 Bc7 64. Rc1 {Und Lf8+! würde nun gewinnen.} Be5 ({Günstiger ist} 64... Kf7) 65. Be3 $16 Bc4 66. Rd1 $1 Be6 67. Rd8 $1 Bb2 68. Rd6 Kf7 69. Rxa6 Bb3 70. Rd6 Bc4 71. Bd4 Ke7 72. Bc5 ({Keinesfalls} 72. Bxb2 $6 Kxd6 73. Bxf6 g4 $14) 72... Kf7 73. Ra6 Bb3 74. Ra5 Ba4 75. Ra7+ Ke6 (75... Kg6 $16 76. Ke3 h4) 76. Re7+ $18 Kd5 77. Re3 h4 78. Rd3+ $1 Kc4 79. Ke2 Bb3 80. Be7 Be5 81. Rd8 $1 Kc3 82. Rf8 $1 Bc4+ 83. Kf2 Bd4+ 84. Ke1 Kb3 85. Bxf6 Be3 86. Ra8 Bf4 87. Kf2 Bg3+ 88. Kg1 (88. Ke3 $18 {und der Rest ist Schweigen.}) 88... Bf4 $16 89. Be7 Be3+ 90. Kh1 Bf4 91. Ra6 Bd3 92. Rc6 Bc4 93. Ra6 (93. Kg1 $16) 93... Bd5 $2 {[%mdl 8192]} (93... Bd3 $1 $11) 94. Rg6 $18 Kxa3 (94... Bc1 {ist eine bessere Verteidigung.} 95. Kg1 (95. Bxg5 Bxa3 96. Rb6 Ka4 $18) 95... Bc4) 95. Bxg5 Bg3 96. Be7 Be1 97. Kh2 (97. Rg5 $142 Bc4 98. f4) 97... Bxb4 98. Bxb4+ (98. Bxh4 $18 Kb3 99. Rb6) 98... Kxb4 {KT-KL} 99. Kh3 (99. f4 $1 $16 {[%cal Rf4f5]} Kc5 100. Rg5) 99... Kc3 $11 100. Kxh4 b4 101. Rd6 Bc4 102. f4 b3 103. f5 b2 104. Rd1 $1 {[%cal Rd1g1]} Kc2 105. Re1 Kd2 (105... b1=R $11 {bleibt in der Remisbreite.} 106. Rxb1 Kxb1) 106. Rg1 Be2 {zielt auf ...Ld1 ab.} 107. f6 Bd1 108. f7 b1=Q {[#] ( -> ...Dh7+)} 109. f8=Q {KDT-KDL} ({Weiss kommt nicht vorbei an} 109. Rxd1+ $1 $16 {[%mdl 512]} Qxd1 110. f8=Q Qe1+ 111. g3) 109... Qh7+ 110. Kg5 Qh5+ 111. Kf6 Qh4+ 112. Ke6 {Schwarz muss nun Dd6+ beachten.} Bb3+ 113. Ke5 Qg5+ 114. Kd6 {Und weiter mit Df2+ wäre nett.} Qd5+ 115. Kc7 {Db4+ ist eine echte Drohung.} Qa5+ 116. Kd7 Qa7+ 117. Kd8 Qb6+ 118. Ke7 Qc5+ 119. Ke8 Qc6+ 120. Ke7 {Droht Df4+ und aus.} Qc5+ (120... Qc7+ {is more complex.} 121. Kf6 Qf4+ 122. Kg7 Qg3+ 123. Kf6 Qf2+) 121. Ke8 Qxg1 (121... Qc8+ {with more complications.} 122. Ke7 Qc7+ 123. Kf6 Qf4+ 124. Kg7 Qg3+) 122. Qb4+ Kc2 123. Qe4+ Kb2 124. Qe5+ Ka3 125. Qd6+ Ka4 126. g3 Bc4 127. Kf8 Qf2+ 128. Qf4 Qc5+ 129. Kg7 Qe7+ 130. Kh6 Qe6+ 131. Kg5 Qg8+ 132. Kh4 Qh7+ 133. Kg5 Qg7+ 134. Kh4 Qe7+ 135. Kh3 Kb3 136. g4 {Die Stellung ist ausgeglichen.} Bd5 137. Kg3 Qe1+ 138. Qf2 Qc3+ 139. Kh4 Qh8+ 140. Kg3 Qe5+ 141. Kh4 {Precision: Weiß = 63%, Schwarz = 57%.} (141. Qf4 $5 {[%cal Rf4e5]} Qe1+ 142. Kh3 $15) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Erigaisi Arjun"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2488"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,0,0,0,0,0,0,0,0,0,0,-10,-7,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,-46,-49,-49,-10,-60,-60,-60,-60,-60,-60,-60,-44,-60,-60,-60,-60,-60,-60,-60,-60,-60,-60,-72,-67,-109,-106,-103,-112,-96,-94,-131,-119,-170,-164,-163,-163,-666,-633,-602,-564]} 1. Nf3 b6 2. g3 Bb7 3. Bg2 e6 4. O-O d5 5. d4 Nd7 6. Bf4 Ngf6 7. Ne5 Be7 8. c4 O-O 9. Nc3 c6 10. Qb3 {E16: Damenindisch (Hauptfortsetzung mit Lb4)} (10. e4 dxe4 11. Nxe4 Nxe5 12. Nxf6+ Bxf6 13. dxe5 Be7 14. h4 Qxd1 15. Rfxd1 Rfd8 16. a3 Kf8 17. b4 Ke8 {1-0 (30) Vallejo Pons,F (2717)-Karthikeyan,M (2579) Tbilisi 2017}) 10... Nxe5 11. Bxe5 Qd7 {LiveBook: 3 Partien} 12. Rfd1 {Die Stellung ist ausgeglichen.} Ba6 13. cxd5 cxd5 14. e4 Bc4 15. Qc2 Rac8 {[#]} 16. Bxf6 $146 ({Vorgänger:} 16. b3 Ba6 17. Bxf6 Bb4 {½-½ (48) Alavkin,A (2504)-Zagrebelny,S (2484) Togliatti 2006}) 16... Bxf6 17. exd5 (17. b3 {feels hotter.} Ba6 18. exd5 exd5 19. Qd2 Bb7 20. Re1) 17... Bxd5 18. Bxd5 Qxd5 19. Nxd5 Rxc2 20. Nxf6+ gxf6 $11 {[%mdl 4096] Endspiel KTT-KTT} 21. b3 Rd8 22. Rd3 Rd5 23. a4 Rf5 24. Rf1 Kf8 25. f4 (25. d5 $5) 25... Rh5 26. h4 Rd5 27. Rf2 Rc1+ 28. Kg2 h5 29. Kf3 Kg7 30. Re2 Kg6 31. Ke4 $1 b5 32. axb5 Rxb5 33. Ra2 a5 34. Re2 Rf1 35. Rc2 Re1+ 36. Kf3 Rb1 37. Rcc3 Kf5 38. Re3 Rd1 39. Red3 (39. Rc7 $17 {ist wohl besser.}) 39... Rxd3+ $19 40. Rxd3 {[#]} Rd5 $1 41. g4+ $2 (41. Ke3) 41... hxg4+ 42. Kg3 e5 {Precision: Weiß = 53%, Schwarz = 83%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Khusenkhojaev, Muhammad"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2456"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,100,21,-28,-40,-28,-30,-31,-13,-31,-11,-131,-131,-138,-79,-302,-347,-332,-341,-335,-339,-324,-327,-332,-320,-349,-315,-323,-294,-374,-363,-850,-529,-497,-479,-918,-912,-798,-450,-434,-432,-420,-405,-419,-393,-393,-399,-666,-504,-1833,-1828,-1762,-1804,-1439,-1433,-982,-972,-943,-933,-775,0,-641,0,-984,-983,-880,-873,-2265,-2092,-1827,-1816,-1179,-1060]} 1. Nf3 d5 2. d4 e6 3. c4 c6 4. Qc2 Nf6 5. e3 Nbd7 6. Nc3 Bd6 7. b3 O-O 8. Be2 b6 9. Bb2 Bb7 10. O-O Qe7 11. Rad1 Rad8 {D45: Semi-Slav: 5 e3} 12. e4 (12. Rfe1 Rfe8 13. e4 Nxe4 14. Nxe4 dxe4 15. Qxe4 Bb4 16. Rf1 Bd6 17. Rfe1 Bb4 18. Rf1 Bd6 19. Rfe1 Bb4 {½-½ (19) Radjabov,T (2748)-Carlsen,M (2843) Shamkir 2018}) 12... Nxe4 13. Nxe4 dxe4 14. Qxe4 f5 15. Qc2 c5 16. Rfe1 {LiveBook: 5 Games} Be4 17. Qc1 cxd4 $146 ({Predecessor:} 17... Nf6 18. Ne5 Qc7 19. Qa1 cxd4 20. Bxd4 {½-½ (42) Arlandi,E (2436)-Shytaj,L (2496) Arvier 2012}) 18. Nxd4 Bb4 19. Rf1 Bc5 20. Bd3 (20. Nf3 $11 {remains equal.}) 20... Ne5 $17 21. Be2 {[#]} f4 ({Better is} 21... Ng6 $1 {aiming for ...e5.} 22. Nf3 e5 23. Rxd8 Rxd8) 22. Qc3 $2 {[#]} (22. f3 $17 {might work better.}) 22... Bxg2 $1 $19 {[%mdl 512]} 23. Kxg2 {Threatens to win with Nf3.} Bxd4 24. Rxd4 Rxd4 (24... f3+ 25. Bxf3 Rxd4 26. Qxd4 $17) 25. Qxd4 f3+ 26. Bxf3 Nxf3 27. Qg4 Rf5 28. Kh1 Qb7 29. Rd1 {Rd8+ would kill now.} h5 30. Qh3 $2 (30. Qxg7+ Qxg7 31. Bxg7 Kxg7 32. Kg2) 30... Kh7 31. Bc1 Qe4 {White must now prevent ...Ne1+.} 32. Be3 (32. Rf1 $142 Qc2 33. Bf4) 32... Nh4+ 33. Kg1 Rf3 34. Qf1 {Qd3 would now be nice for White.} Qg4+ ({Weaker is} 34... Rf6 35. Qd3 $17) 35. Kh1 e5 {[%cal Be6e5,Be5f4][%mdl 32]} 36. Rd5 Rf6 37. f4 exf4 38. Bd4 $2 (38. Bg1 Qg6 39. Qd3) 38... Re6 39. h3 (39. Re5 $142 Rxe5 40. Bxe5) 39... Qg6 40. Bf2 Qe4+ 41. Kh2 Nf3+ 42. Kh1 Ne5+ 43. Qg2 Qb1+ 44. Qg1 Qe4+ 45. Qg2 Qb1+ (45... Qf5 $142 46. b4 Rg6 47. Rxe5 Qxe5) 46. Qg1 $1 {[%cal Rg1b1]} Qf5 {Hoping for ...Rg6.Black is clearly winning.} 47. Qf1 Rg6 {( -> ...Qe4+)} 48. Rd4 Nc6 49. Rd5 Qe4+ 50. Kh2 Ne5 {Precision: White = 41%, Black = 82%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Nitin, S.."]
[Black "Narayanan, Srinath"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2432"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,60,0,0,0,0,15,0,4,0,67,60,85,6,19,36,27,26,25,30,30,16,161,154,164,168,160,61,154,61,63,63,64,64,64,64,78,53,38]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Nc3 a6 {C13: Französische Verteidigung (Klassisches System)} 9. g3 (9. Qd2 b5 10. O-O-O b4 11. Na4 Qd5 12. b3 Bd7 13. Bc4 Qd6 14. d5 e5 15. Rhe1 e4 16. Nd4 {1-0 (40) Carlsen,M (2832)-Grischuk,A (2750) chess.com INT 2017}) 9... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Bg2 Bb7 11. O-O c5 12. d5 b4 13. dxe6 {LiveBook: 14 Partien} bxc3 14. exf7+ Kf8 15. Qc1 Qd6 $146 ({Vorgänger:} 15... Qb6 16. bxc3 {1-0 (30) Amonatov,F (2619)-Grover,S (2467) New Delhi 2017}) 16. bxc3 Qf6 ({Günstiger ist} 16... Be4 $11) 17. Re1 {Und Tb1 würde nun gewinnen.} Nd7 18. Qf4 (18. Qe3 $16) 18... Bd6 $1 $11 {[%cal Rd6f4]} 19. Qc4 Be4 20. Rxe4 fxe4 21. Qxe4 Rd8 {Droht ...Se5 und aus.} 22. Rd1 Be7 (22... Qe7 $11 23. Qd5 Nf6) 23. Bh3 $18 Nb6 24. Rxd8+ Bxd8 25. Qe8+ Kg7 {[#]} 26. Ng5 (26. Be6 $1 $16 Rf8 27. Nh4 Qxf7 28. Bxf7 Rxe8 29. Bxe8) 26... Qxg5 $14 {[#]} 27. Qxh8+ $1 {[%mdl 512]} Kxh8 28. f8=Q+ Qg8 29. Qxc5 {Und weiter mit Dd4+ wäre nett.} Qg7 30. Be6 Qe7 {Precision: Weiß = 52%, Schwarz = 65%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Manik, Mikulas"]
[Black "Gupta, Abhijeet"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2411"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,22,29,25,27,26,32,26,25,19,19,16,18,6,29,20,36,9,35,31,18,17,29,41,71,35,41,45,72,63,61,47,27,0,154,0,0,0,97,0,0,0,0,0,0,-2037,-2016]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Be7 10. Be3 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (10. h4 h6 11. Be3 h5 12. Kb1 Qc7 13. Bg5 Ne5 14. Bd3 b5 15. Rhe1 b4 16. Nce2 a5 17. f4 Neg4 18. Ng1 {½-½ (91) Short,N (2678)-Li,C (2732) Riadh 2017}) 10... h5 {LiveBook: 90 Games} 11. Nxc6 Bxc6 12. Ne2 {White has an edge.} d5 13. e5 Nd7 14. f4 Bb5 15. Kb1 g6 16. g3 Qc7 17. Bg2 Bxe2 18. Qxe2 {[#]} Bc5 $146 19. Bc1 Nb6 20. b3 Qe7 21. Rd3 Ba3 22. Be3 Nd7 23. Rhd1 $36 {[%mdl 2048] White has good play.} Nc5 24. Rd4 $1 {Black must now prevent c4.} b5 25. Qd2 a5 26. f5 (26. Bxd5 $5 exd5 27. Rxd5 $11) 26... Qc7 $2 (26... gxf5 $11 27. Bg5 Qc7) 27. Bg5 $2 ({White should play} 27. fxe6 $16 fxe6 28. Rf4) 27... gxf5 $11 {Hoping for ...Ne4.} 28. Bf6 Rg8 {[#]} (28... Rh7 $1 $11 {remains equal.}) 29. Bxd5 ({Better is} 29. Rxd5 $1 $16 {[%mdl 512]} exd5 30. Bxd5) 29... exd5 30. Rxd5 {White wants to mate with Rd8+.} Ne6 31. Rd7 Qc8 32. Qxa5 $2 {[%mdl 8192]} (32. c3 $11 Rg6 33. Qd3) 32... Rxa5 {Precision: White = 54%, Black = 56%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Tran, Minh Thang"]
[Black "Amonatov, Farrukh"]
[Result "0-1"]
[ECO "B53"]
[WhiteElo "2404"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,104,38,34,47,27,44,7,14,0,16,0,0,-32,-31,-14,-2,-64,-71,-75,-50,-44,-31,-32,-20,-29,-23,-32,-26,-97,-80,-86,-94,-85,0,0,119,120,64,77,140,158,164,156,164,141,187,180,218,203,367,365,363,344,368,381,392,378,426,365,608,577,546,249,225,0,0,0,0,0,0,0,0,-39,-36,-52,-64,-56,-68,-562,-525,-542,-529]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Qd3 g6 7. O-O Bg7 8. c4 Nf6 9. h3 O-O 10. Nc3 a6 11. Bxc6 Bxc6 12. Be3 Rc8 {B53: Sicilian: 2...d6: Lines with Qxd4} 13. Nd4 {LiveBook: 37 Games} e6 (13... Nd7 14. Rac1 Qa5 {1-0 (78) Alekseev,E (2616)-Karjakin,S (2760) Riadh 2017}) 14. Rfd1 Qe7 {[#] White has an edge.} 15. Nb3 $146 ({Predecessor:} 15. Nxc6 Rxc6 {1-0 (35) Zhang,Z (2633)-Nguyen,A (2478) Ho Chi Minh City 2016}) 15... Rfd8 (15... b5 $5) 16. Bb6 Re8 17. f3 Nd7 18. Be3 Ne5 19. Qe2 f5 20. f4 (20. Rac1 $11) 20... Nd7 $36 {[%cal Be5d7,Bd7c5,Bc5d3][%mdl 2080] White is under strong pressure.} 21. Qd2 fxe4 (21... Bxc3 $5 22. bxc3 Nf6 23. Qxd6 Qxd6 24. Rxd6 Nxe4 $17) 22. Qxd6 e5 23. Na5 exf4 24. Qxf4 Nc5 {Threatens to win with ...Nd3.} 25. Nxc6 bxc6 26. Qg4 (26. Qd6 $1 $11 Nd3 27. Qxe7 Rxe7 28. Rab1) 26... Nd3 $17 27. Rab1 Rcd8 28. Rd2 Bd4 {[#]} ({Black should play} 28... Ne5 $17 29. Qxe4 Rxd2 30. Bxd2 Qd7) 29. Rxd3 $1 $11 {[%mdl 512]} Bc5 (29... Ba7 $1 $11 {remains equal.} 30. Rxd8 Bxe3+ 31. Kh1 Qxd8) (29... exd3 30. Bxd4) 30. Na4 $1 $16 exd3 31. Bxc5 Qe2 (31... Qe5 $142) 32. Nc3 Qxg4 33. hxg4 d2 {White must now prevent ...Re1+.} 34. Rd1 Rd3 {Hoping for ...Rxc3!} 35. Bf2 Rb8 36. Na4 Rf8 $2 (36... Rd6 37. g5 (37. Bg3 Re8 $16) 37... Rb7) 37. Nc5 $18 Rd6 38. Be3 Rdf6 39. Rxd2 Rf1+ 40. Kh2 h5 41. g5 Ra1 $2 (41... Re8 42. Bf2 a5) 42. Rd7 Rff1 43. Ne6 (43. Bd4 $142 {Intending Rg7+ and mate.} Kf8 44. Rg7) 43... Rae1 {[#] aiming for ...Rh1+.} 44. Rg7+ $2 ({Only move:} 44. Rd3 $1 $18) 44... Kh8 $11 45. Bd4 Rh1+ 46. Kg3 h4+ 47. Kg4 Re4+ 48. Kf3 Rxd4 $1 49. Rxg6 Rxc4 50. Rh6+ Kg8 51. g6 $2 {[%mdl 8192] [#]} (51. Rg6+ $15 Kf7 52. Rf6+ Ke7 53. Nf4) 51... Rf1+ $1 $19 52. Ke2 Rf6 {Precision: White = 41%, Black = 42%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Sidhant, Mohapatra"]
[Black "Lalith Babu M R"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2378"]
[BlackElo "2531"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,102,4,-10,38,0,21,-6,36,-2,-8,-22,-15,-15,-17,-16,0,-8,-1,-20,-25,-22,-19,-28,-17,-32,-25,-54,-52,-61,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,-1,-7,0,-25,-8,-52,0,-85,-85,-74,-97,-171,-164,-177,-136,-567,-439,-223,-364,-1326,-1257,-1245,-751,-2269,-1976,-29976,-29977,-29984,-29984,-29986,-29987,-29987,-29988,-29988,-29989,-29987,-29978,-29978,-29978,-29974,-12840]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nc3 h6 {C77: Spanische Partie (Anderssen-Variante)} 8. Nd5 d6 9. c3 Rb8 10. O-O O-O 11. Be3 {LiveBook: 10 Partien} Bg4 12. h3 Bh5 13. Qe2 $146 ({Vorgänger:} 13. Nxf6+ Qxf6 14. g4 Bg6 15. h4 {0-1 (43) Shyam,S (2552)-Lalith,B (2586) Hoogeveen 2016}) 13... Kh8 14. Kh2 (14. Bxc5 {is more complex.} dxc5 15. Ne3 Nd7 16. g4 Bg6 17. a4) 14... Nxd5 15. Bxd5 Bxe3 16. fxe3 Ne7 17. Bb3 d5 18. exd5 Nxd5 19. Bxd5 Qxd5 20. e4 Bxf3 21. Rxf3 (21. exd5 $2 {geht unter.} Bxe2 22. Rfe1 Bxd3 $19) 21... Qe6 22. a3 c5 23. Raf1 f6 24. Qe3 c4 (24... Rbc8 $15) 25. d4 $11 exd4 26. cxd4 Kg8 (26... Qd7 {with more complications.} 27. e5 Rfe8 28. Rf5 fxe5 29. Rxe5 Rbd8) 27. e5 fxe5 28. Rxf8+ Rxf8 29. Rxf8+ Kxf8 30. dxe5 {[%mdl 4096] Endspiel KD-KD} Qd5 31. Kg3 Ke8 32. Kf2 a5 33. Qc3 a4 34. Qe3 g5 (34... Ke7 $15) 35. Kg3 (35. g3 $11) 35... Ke7 $17 36. Kh2 Ke6 37. Qb6+ (37. Kh1 $17) 37... Kxe5 $19 {...Ke4 ist eine echte Drohung.} 38. Qxh6 Ke4 39. h4 $2 {[%mdl 8192] [#]} (39. Qh5 $17 {nur so!}) 39... Qe5+ 40. Kh1 gxh4 (40... Qxb2 41. Qg6+ Ke3 42. Qxg5+ Kf2 43. Qf4+ Ke2 44. Qf3+ Ke1 45. Qe3+ Kd1 46. h5) 41. Qxh4+ $2 (41. Qc1 Kf5 42. Qb1+ Ke6 43. Qc1) 41... Kd3 42. g4 Kc2 43. g5 Kxb2 44. g6 c3 {Schwarz setzt Matt.} 45. Qb4+ Ka1 46. Qg4 c2 47. Qg1+ Kb2 48. g7 Qh5+ 49. Qh2 Qxh2+ 50. Kxh2 c1=Q 51. g8=Q Qd2+ {Precision: Weiß = 32%, Schwarz = 55%.} (51... Qc2+ $142 52. Kg1 Kxa3 53. Qg5 Qb2 54. Qh5 Ka2 55. Qf3 b4 56. Kf1 b3 57. Qh3 a3 58. Kg1 Qc1+ 59. Kg2 Qc6+ 60. Kh2 b2 61. Qh8 b1=Q 62. Qg8+ Qb3 63. Qxb3+ Kxb3 64. Kg3 a2 65. Kf4 a1=Q 66. Kg3 Qg1+ 67. Kf4 Qf6+ 68. Ke4 Qgd4#) 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Roy Chowdhury, Saptarshi"]
[Black "Rahman, Ziaur"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2338"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,61,-22,5,5,5,-31,26,-18,56,57,70,0,10,0,0,-27,-20,-25,0,4,19,-2,0,0,0,0,-2,-4,-2,-16,-7,-15,-1,-82,-70,-66,-64,-73,-71,-70]} 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O e5 7. c3 Nge7 8. a3 O-O 9. b4 b6 10. Nbd2 h6 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} 11. Re1 Be6 12. Bb2 Rc8 {LiveBook: 3 Games. The position is equal.} (12... Qd7 13. Nc4 Rad8 14. b5 Nb8 15. a4 Qc7 16. a5 Nd7 17. axb6 axb6 18. Qa4 {1-0 (65) Petrosian,T (2601)-Vachier Lagrave,M (2789) Riadh 2017}) 13. b5 Na5 14. d4 c4 (14... exd4 $15 15. cxd4 g5) 15. Rc1 $146 (15. d5 $5 {[%cal Rd5e6]} Bg4 16. h3 $11) ({Predecessor:} 15. d5 Bg4 16. h3 Bd7 17. a4 a6 18. bxa6 Ra8 19. Ba3 {1-0 (41) Maiwald,J (2490)-Reschke,S (2400) Schoeneck 1996}) 15... Qd7 ({Better is} 15... g5 $11) 16. a4 $14 g5 17. dxe5 (17. d5 $14 Bh3 18. Bxh3 Qxh3 19. Ba3) 17... dxe5 $11 18. Nf1 {[%cal Bd2f1,Bf1e3,Be3c4][%mdl 32]} Rfd8 19. Qxd7 Rxd7 20. Rcd1 Rxd1 21. Rxd1 Ng6 22. Ba3 Nb3 23. Ne3 Bf8 24. Bxf8 Kxf8 25. Bf1 Nc5 26. Nd2 Nxa4 27. Rc1 {[%cal Rf1c4]} Rc5 $36 {[%mdl 2048] Black is more active.} 28. Nexc4 (28. Bxc4 $11 {keeps the balance.} Bxc4 29. Ndxc4) 28... Rxb5 29. Ra1 Nxc3 30. Rxa7 Rb4 31. Rc7 {Precision: White = 29%, Black = 45%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Gomes, Mary Ann"]
[Black "Nihal Sarin"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2290"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,78,20,14,-8,6,-6,-13,-17,-10,-25,-10,-20,-7,-8,0,0,0,0,0,0,5,0,0,-20,-6,-122,-133,-176,-139,-195,-189,-190,-190,-252,-266,-240,-224,-352,-327,-422,-403,-409,-411,-694,-684,-664,-643,-1043,-1024,-1066,-1071,-1037,-969,-29990,-29991,-29993,-29994,-29994,-29995,-29995,-29996]} 1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. O-O Be7 8. Rb1 a5 9. d3 O-O {A29: English Opening: Four Knights Variation with 4 g3} 10. Be3 Be6 {LiveBook: 68 Games} 11. Qd2 (11. Bxb6 cxb6 12. a3 f5 13. e3 Bf6 14. Rc1 Kh8 15. Re1 Bf7 16. Nb5 Bh5 17. Qc2 {0-1 (39) So,W (2812)-Karjakin,S (2781) Paris 2017}) 11... f5 $146 {The position is equal.} ({Predecessor:} 11... f6 12. Rfc1 Nd4 13. Bxd4 exd4 14. Ne4 a4 15. Nc5 Bxc5 16. Rxc5 Bxa2 {0-1 (44) Hiebler,L (2110)-Saduakassova,D (2423) Bhubaneswar 2016}) 12. Ng5 Bxg5 13. Bxg5 Qd7 14. Be3 Nd5 15. f4 exf4 16. Bxf4 Rae8 17. Rbc1 Rf7 18. b3 Nxc3 19. Rxc3 h6 20. h4 Bd5 21. Bh3 (21. e4 $5 fxe4 22. dxe4 Bxe4 23. Qxd7 Rxd7 24. Re3 $11) 21... Qe7 22. Re1 {[#]} (22. Rf2 $11) 22... Nd4 $1 $17 23. Kf2 Ne6 {aiming for ...Qf6.} 24. h5 (24. Bg2 $17 {is a better defense.} Bxg2 25. Kxg2) 24... Qf6 $36 {[%mdl 2048] Black is really pushing.} 25. Rcc1 Rfe7 ({Much less strong is} 25... Nxf4 26. Qxf4 a4 27. Bg2 $15) 26. e4 (26. Bg2 $142) 26... fxe4 27. Bxe6+ Qxe6 28. dxe4 (28. d4 {was necessary.}) 28... Bxe4 29. Kg1 Qg4 30. Qe2 Bf3 31. Qc4+ (31. Qxe7 $142 Rxe7 32. Rxe7) 31... Kh8 32. Rxe7 Rxe7 33. Qd3 {[#] And now Qd8+ would win.} Qxh5 34. Qd8+ Re8 {( -> ...Qh1+)} 35. Qh4 Qg6 {Hoping for ...Re2.} 36. Bxc7 Qd3 {Black mates.} 37. Rf1 Qe3+ 38. Rf2 Qc1+ 39. Rf1 Qc5+ {Precision: White = 35%, Black = 68%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Prasad, Devaki V"]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2284"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,96,26,5,16,4,0,4,27,0,0,11,14,14,27,21,27,20,27,0,12,0,10,0,7,0,0,1,9,-3,-3,-3,0,-3,-3,-6,0,-12,-12,-29,0,-29,-32,-42,0,0,0,0,27,4,146,8,8,8,137,137,137,137,139,142,135,139,979,905,1045,1076,1054,1010,873,109,77]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Nxe5 7. Rxe5+ Be7 8. Bf1 O-O 9. d4 Bf6 10. Re1 Re8 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 11. c3 Rxe1 12. Qxe1 Qe8 13. Qxe8+ Nxe8 14. Bf4 d5 15. Bd3 {LiveBook: 11 Games} Be7 16. Nd2 Bd6 17. Re1 Be6 {[#]} (17... Bd7 {feels hotter.} 18. Bxd6 Nxd6 19. Nf3 f6 20. g3 Re8) 18. Bg3 $146 ({Predecessor:} 18. Bxd6 Nxd6 {½-½ (18) Vysochin,S (2526)-Efimenko,Z (2708) Olginka 2011}) 18... Bxg3 19. hxg3 Nd6 20. f3 b6 21. Kf2 g6 22. g4 Kg7 23. Re5 h6 24. Kg3 Re8 25. Kf2 c6 26. Ke1 f6 27. Re2 Kf7 28. Nf1 f5 29. gxf5 Bxf5 30. Rxe8 Kxe8 31. Bxf5 Nxf5 $11 {[%mdl 4096] Endgame KN-KN} 32. g4 Nd6 33. Ng3 Ke7 34. Ke2 Kf6 35. f4 c5 36. dxc5 bxc5 37. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} c4 38. a4 g5 (38... Kf7 $11) 39. Ke3 ({White must play} 39. f5 $1 $16) 39... gxf4+ 40. Kxf4 Ke6 {[#]} (40... d4 $1 $11 {remains equal.}) 41. b5 $1 $16 d4 42. cxd4 c3 {[#]} 43. Ke3 $1 Nc4+ 44. Kd3 c2 $2 {[%mdl 8192]} (44... Nb2+ $16 45. Kxc3 Nxa4+ 46. Kb4 Nb6) 45. Kxc2 $18 Ne3+ 46. Kd3 Nxg4 47. a5 Nf6 48. Kc4 $2 (48. Ne4 $18 {Nxf6 is the strong threat.} Ne8 49. Kc4) 48... Kd7 {Precision: White = 36%, Black = 50%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Jayakumaar S"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "2276"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,88,40,4,73,0,29,0,8,-13,57,39,110,91,99,101,92,90,178,126,182,168,156,119,122,120,125,117,116,120,106,106,137,110,132,125,237,56,52,0,0,-37,-50,-80,-82,-91,-83,-125,-113,-108,-115,-124,-118,-130,-102,-131,-88,-148,-153,-156,-145,-200,-199,-355,-322,-432,-450,-462,-458,-456,-456,-509,-503,-502,-495,-614,-603,-1064,-1118]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. a4 {LiveBook: 35 Games} Bb4 {[#] B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (7... Nf6 $11) 8. O-O (8. Nxc6 $1 $16 Bxc3+ 9. bxc3 bxc6 10. O-O) 8... Nge7 $146 ({Predecessor:} 8... Nf6 9. Bg5 Qa5 10. Bxf6 gxf6 11. Nb3 Qc7 12. f4 b6 13. Bd3 Bb7 14. Qe2 Be7 15. Nd1 Nb4 16. Ne3 Bc6 17. Nd4 Nxd3 18. cxd3 {½-½ (49) Nevednichy,V (2538)-Sikula,V (2412) Hungary 2005}) 9. Nb3 b6 {The position is equal.} 10. f4 d5 (10... O-O $11) 11. exd5 $14 Bxc3 (11... Nxd5 $14 12. Nxd5 exd5) 12. d6 $36 {[%mdl 2048] [#] White is really pushing.} ({Don't do} 12. dxc6 Bf6 $11) 12... Bd4+ $1 {[%mdl 512]} 13. Nxd4 Qxd6 14. Bf3 {Strongly threatening Nxc6.} Qd7 (14... Bb7 $16) 15. Be3 (15. Nxc6 $18 Nxc6 16. Ra3) 15... Rb8 (15... Bb7 $16) 16. Nxc6 $18 Nxc6 17. Qe1 {And now Qc3 would win.} O-O 18. Rd1 Qc7 19. Qc3 Bb7 20. b4 {Black must now prevent b5.} b5 21. Bd4 f6 22. a5 Rbc8 23. Bb6 Qxf4 (23... Qf7 $16) 24. Qe1 $2 (24. Bc5 $18 Qb8 25. Bxf8 Kxf8 26. Qe3) 24... Qc4 $14 25. Rd7 ({White should play} 25. Qe3 $14) 25... Ba8 $1 $11 26. Qg3 {[%csl Gd7][%cal Rg3g7]} Rf7 27. Rfd1 {[#]} Ne5 $1 28. Rd8+ Rf8 {Threatens to win with ...Rcxd8.} 29. R8d4 Qxc2 {...Bxf3 is the strong threat.} 30. Bxa8 Rxa8 31. Bc5 Rfe8 32. Rd6 h5 33. Rf1 Qg6 34. Qh3 (34. Qxg6 $142 Nxg6 35. Rb6) 34... Qg4 $17 35. Qxg4 hxg4 36. Re1 (36. Rfd1 $17 {might work better.}) 36... Kf7 $19 37. Bd4 $2 (37. Rb6 {was necessary.}) 37... Nc4 38. Rc6 e5 {Black is clearly winning.} 39. Bc5 Rec8 40. Rxc8 Rxc8 41. Rd1 Ke6 42. Kf2 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 43. Kg3 f4+ 44. Kxg4 {[#]} Rxc5 $1 {[%mdl 512] Precision: White = 31%, Black = 53%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.17"]
[Round "4"]
[White "Kushagra Mohan"]
[Black "Sundararajan, Kidambi"]
[Result "1/2-1/2"]
[ECO "C13"]
[WhiteElo "2256"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,60,8,0,11,4,0,0,0,0,0,0,0,0,13,11,25,20,29,28,38,31,49,43,59,68,79,53,55,16,70,27,31,34,43,28,33,23,34,9,11,0,28,0,10,0,23]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 O-O 8. Bc4 Nd7 9. c3 {LiveBook: 3 Games. C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} (9. Qe2 Be7 10. O-O-O c5 11. Kb1 Qc7 12. Neg5 Nb6 13. Bd3 h6 14. h4 Nd5 15. Ne5 Bd6 16. Bh7+ Kh8 17. Qh5 Bxe5 18. dxe5 f6 19. Be4 Nf4 20. Qf3 fxg5 21. hxg5 Bd7 22. gxh6 g6 23. g3 Nh3 {0-1 (23) Van Kampen,R (2615)-Shankland,S (2652) Wijk aan Zee 2015}) 9... Be7 10. Qe2 c5 11. Rd1 cxd4 12. Nxd4 Qb6 13. O-O Ne5 $146 ({Predecessor:} 13... Rd8 14. Rfe1 Ne5 15. Bb3 Ng6 16. Qh5 Bd7 {½-½ (26) Milde,L-Ehrlich,S DESC email 2005}) 14. Bb3 Bd7 15. Qh5 $36 {[%mdl 2048] White has good play.} Ng6 16. Ng5 Bxg5 $1 17. Qxg5 Rac8 18. Rd2 Rc5 19. Qe3 Rc7 20. Rfd1 Re8 21. g3 Qc5 22. f4 (22. Qe4 {looks sharper.} Qe5 23. Qf3 Qc5 24. Bc2 Ne7 25. Be4) 22... b5 ({Better is} 22... e5 $11 23. Nc2 Qe7) 23. Nc2 Qxe3+ $1 24. Nxe3 Bc6 25. Nc2 Kf8 26. Nd4 Bd7 27. Nf5 Bc6 28. Nd4 Bd7 $1 29. Nf5 Bc6 30. Nd4 Bd7 $1 {Precision: White = 37%, Black = 67%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Gupta, Abhijeet"]
[Black "Narayanan, Srinath"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2619"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,116,9,27,0,0,0,0,0,0,0,0,0,0,0,4,9,11,-4,-4,-11,0,0,0,0,0,0,0,-27,-29,-22,-7,-15,11,-15,0,0,0,-5,0,0,0,-29,-7,0,0,0,0,-55,0,0,0,0,0,0,16,0,11,-134,-13,-8,-8,-8,-8,-30,-16,-41,-8,-401,-400,-390,-383,-472,-381,-374,-341,-334,-334,-329,-312,-457,-443,-432,-429,-801,-424,-29974,-29975,-29974,-29975,-29975,-29976,-29980,-29981,-29981,-29982,-29982,-29983]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 a5 7. a3 {E04: Open Catalan: 5 Nf3} Bd6 8. O-O Nc6 9. Bg5 h6 10. Bxf6 Qxf6 11. Nc3 O-O {LiveBook: 10 Games} 12. e3 e5 13. d5 Na7 14. Nd2 b5 15. a4 {[#]} Bd7 $146 16. Qc2 Qe7 17. Rfc1 f5 18. axb5 Nxb5 19. Nxb5 Bxb5 20. Nxc4 a4 21. Nxd6 cxd6 22. Ra3 Bd7 23. Rc3 Ra7 24. Qe2 Qd8 25. R1c2 Qb6 26. Bh3 Rb7 27. Qd1 Qa5 28. Rc6 Rf6 29. R6c4 Rf8 30. Rc6 Rf6 31. Bg2 f4 32. exf4 exf4 33. Be4 Rf8 34. Kg2 ({Better is} 34. R6c4 $11) 34... a3 (34... Qd8 $15) 35. bxa3 $11 Qxa3 36. R2c3 Qb4 37. R6c4 Qa5 38. Qh5 {Qg6 is the strong threat.} Bf5 39. Bf3 (39. Qf3 $11 {keeps the balance.}) 39... fxg3 (39... Rb2 $17 40. Qh4 Qb6 41. gxf4 Rf6) 40. hxg3 Rbf7 41. Re3 Bd7 42. Rd4 Qa1 43. Rb4 Rf5 $40 {[%mdl 128] White needs to defend precisely.} 44. Qg6 $2 {[%mdl 8192] [#]} (44. Qh4 $1 $11) 44... Rxf3 $1 $19 {[%mdl 512]} 45. Rxf3 Rxf3 46. Rb7 Rf6 {( -> ...Bh3+!)} 47. Rb8+ Rf8 48. Rxf8+ Kxf8 49. Qxd6+ Ke8 50. Qg6+ (50. g4 $142) 50... Ke7 51. d6+ Kf8 {And now ...Qa8+ would win.} 52. g4 (52. Qd3 $142) 52... Qf6 53. Qxf6+ (53. Qe4 $19) 53... gxf6 {KB-K3P. Black mates.} 54. Kg3 Kg7 55. Kh4 Kg6 56. f4 f5 57. gxf5+ Bxf5 58. Kg3 Kh5 {Precision: White = 35%, Black = 56%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Amonatov, Farrukh"]
[Black "Nitin, S.."]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2608"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,-24,0,0,0,0,0,-8,-1,-8,0,0,0,-28,-20,-50,-35,-52,-12,-34,0,-56,25,-26,30,22,54,43,37,48,140,116,119,136,222,229,242,220,223,-22,160,163,180,154,156,164,143,128,221,211,199,176,475,471,458,450,417,243,318,230,283,219,233,102,102,91,93,94,135,128,150,148,147,136,154,0,111,127,192,108,113,109,696,691,621,619]} 1. e4 c5 2. Nc3 a6 3. b3 Nc6 4. Bb2 e6 5. Nf3 Qc7 {LiveBook: 9 Partien} (5... d5 6. exd5 exd5 7. Qe2+ Be6 8. O-O-O d4 9. Ne4 Be7 10. Kb1 h6 11. Ne1 Nf6 12. Nd3 Nxe4 13. Qxe4 {0-1 (24) Antipov,M (2569)-Artemiev,V (2676) Khanty-Mansiysk 2015}) 6. Qe2 {B40: Sizilianisch (Klassisches System mit e7-e6)} d6 7. O-O-O Nf6 8. d4 {Die Stellung ist ausgeglichen.} cxd4 9. Nxd4 Nxd4 10. Rxd4 Be7 11. h3 $146 ({Vorgänger:} 11. Rg1 Nd7 12. Rd3 Bf6 13. f4 {½-½ (36) Golubov,S (2490)-Amato,A (2290) Sitges 2016}) 11... b5 12. f4 Nd7 13. Qd2 Bb7 14. g4 O-O 15. Bg2 (15. g5 $11) 15... Nb6 ({Besser ist} 15... Bc6 $15) 16. Rd1 (16. g5 $142) 16... Rac8 (16... Rfc8 $142) 17. Kb1 $11 Rfd8 18. g5 d5 $1 19. exd5 {Droht stark d6.} exd5 (19... b4 $14 20. d6 Rxd6 21. Rxd6 Bxg2 22. Rxb6 Qxb6 23. Qxg2 bxc3) 20. Ne2 a5 21. f5 a4 {[#]} (21... Bxg5 $2 22. Qxg5 Qxc2+ 23. Ka1 $18) (21... Bc5 $16) 22. f6 $1 $18 {[%mdl 512]} Bf8 (22... axb3 $6 23. axb3 Bf8 24. h4 $16) (22... gxf6 23. gxf6) 23. fxg7 Bxg7 {[#]} 24. Rh4 $2 (24. Nf4 $1 $18) 24... axb3 $2 (24... Bxb2 $11 25. Kxb2 {[#]} Nc4+ $1 {[%mdl 512]} 26. bxc4 dxc4) 25. cxb3 $16 Bxb2 26. Qxb2 d4 27. Bxb7 Qxb7 28. Rhxd4 ({Auf keinen Fall} 28. Nxd4 $6 Nd5 $14) 28... Re8 (28... Rd7 $16 29. Rxd7 Nxd7) 29. Nf4 $18 {Und Sh5 würde nun gewinnen.} Qf3 30. Qg2 Qc3 $2 {[#]} (30... Qxg2 31. Nxg2 Rc5) 31. g6 $1 {[%mdl 512]} Re1 (31... fxg6 32. Nxg6) 32. gxf7+ Kxf7 33. Qf2 (33. h4 $142) 33... Rxd1+ 34. Rxd1 {Weiss droht Sd5+ und Matt.} Qf6 35. Qe2 Rc5 ({Aber nicht} 35... Qxf4 $2 36. Rf1 $18) 36. Qe4 ({Bloß nicht} 36. Re1 $6 Qf5+ 37. Nd3 Nd5) (36. Nd3 $18 {bietet bessere Gewinnchancen.} Rf5 37. Re1) 36... Qf5 $16 37. Qxf5+ Rxf5 {[%mdl 4096] Endspiel KTS-KTS} 38. Rd4 h5 39. Kc2 Ke7 40. Kd3 Nd7 41. Nd5+ Ke6 42. Nf4+ Ke7 $1 43. Re4+ Kd6 (43... Kf7 $16) 44. Ke3 ({Günstiger ist} 44. Re6+ $18 Kc7 45. Ke4) 44... Nf6 45. Re6+ Kc5 $2 {[%mdl 8192] [#]} (45... Kd7 $16) 46. b4+ $1 $18 {[%mdl 512]} Kc4 (46... Kxb4 47. Rxf6) 47. Rc6+ {Precision: Weiß = 47%, Schwarz = 38%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Rozum, Ivan"]
[Black "Sengupta, Deep"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2581"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,113,51,41,42,36,50,45,50,48,54,54,54,54,63,66,87,24,29,27,83,53,69,69,68,64,86,65,74,72,68,60,71,64,52,35,39,31,35,11,33,33,39,37,35,33,52,47,51,46,51,26,29,30,51,51,55,61,67,11,56,50,51,44,56,43,59,62,56,63,95,105,101,68,100,106,106,82,143,97,202,193,470,469,466,460,701,698,683,679,618,611,589,584,766,750,950,894]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 dxc4 5. O-O Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 6. Na3 {A11: Reti-Eröffnung} Nb6 7. Ne5 Qd4 8. Nexc4 Nxc4 9. Qa4 Bd7 10. Qxc4 {LiveBook: 3 Partien} Qxc4 11. Nxc4 Bg4 $146 ({Vorgänger:} 11... g6 12. b4 Bg7 13. Bb2 {0-1 (53) Vachier Lagrave,M (2745)-Giri,A (2734) Beijing 2013}) 12. Re1 Nd5 13. a3 g6 14. b4 Bg7 15. Rb1 Be6 16. Na5 O-O-O {[#]} 17. Bb2 ({Lieber} 17. b5 $1 $16) 17... Bxb2 $11 18. Rxb2 Kb8 (18... Nc7 $11) 19. Rc1 Rc8 20. Nb3 Rc7 21. Nc5 Bc8 22. d4 Rd8 23. Rbc2 Nf6 24. e3 Ne8 25. a4 f6 26. Nb3 Be6 27. Na5 Bd5 28. Rc3 Bxg2 (28... e5 {with more complications.} 29. dxe5 fxe5 30. Rc5 e4 31. Bf1 Nf6) 29. Kxg2 Rcc8 30. Nb3 Nc7 31. Nc5 Nd5 32. Rb3 Nc7 33. Nd3 Rd5 34. Nf4 Rd6 35. h4 Re8 36. Nd3 e5 37. dxe5 fxe5 38. Rc2 (38. Nc5 $14) 38... Rd5 39. Nc5 a6 40. Ne4 {Sf6 ist eine echte Drohung.} Re7 41. Rc1 Na8 42. h5 gxh5 43. a5 Nc7 44. Rh1 Ne8 45. Rxh5 Rd1 46. Rh6 Kc7 47. Rb2 Rd5 (47... Nd6 $142 48. Kf3 Nxe4 49. Kxe4 Rc1) 48. Kf3 Rg7 (48... Nd6 $16 {ist eine bessere Verteidigung.}) 49. Ke2 $18 Nd6 $2 (49... Rf7 {ist wohl besser.} 50. Rb1 Kb8) 50. Nc3 {Weiß steht klar auf Gewinn.} Rb5 51. Rb1 Nf5 (51... Nf7 $142) 52. Nxb5+ axb5 53. Rh5 Ne7 54. Rxe5 Nd5 {[#] Und ...Sc3+ würde nun gewinnen.} 55. Rb3 Rg4 56. e4 Kd6 57. f4 {Precision: Weiß = 66%, Schwarz = 42%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Nihal Sarin"]
[Black "Arjun Kalyan"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "2551"]
[BlackElo "2383"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,15,14,37,35,33,27,27,30,25,25,57,51,60,44,89,77,126,97,129,87,100,98,105,120,119,129,141,142,123,129,115,132,367,210,773,772,1244,1236,1222,456,452,450,446,434,448,447,778,770]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. cxd5 Nxd5 8. Rc1 {D52: Queen's Gambit Declined: Cambridge Springs Variation} Bb4 (8... Nxc3 9. bxc3 Ba3 10. Rc2 b6 11. Be2 Ba6 12. O-O Bxe2 13. Rxe2 O-O 14. Qc2 Rfe8 15. Rd1 Rac8 {1-0 (37) Yu,Y (2751)-Dreev,A (2653) Riadh 2017}) 9. a3 Bxc3+ 10. bxc3 {LiveBook: 18 Games. The position is equal.} Qxa3 ({Don't blunder} 10... Nxc3 $2 11. Qd2 $18) 11. Qd2 N5f6 $146 ({Predecessor:} 11... h6 12. Bh4 b5 13. e4 N5b6 14. Bd3 Bb7 15. O-O Qd6 {0-1 (62) Fominykh,M (2253)-Romanko,M (2389) Moscow 2012}) 12. Bd3 {[%mdl 1024] White has compensation.} Qe7 13. e4 {[%cal Be3e4,Be4e5][%mdl 32]} h6 14. Bh4 {And now e5 would win.} g5 15. Bg3 Nh5 16. e5 b6 17. Qe2 Bb7 18. Nd2 Nxg3 19. fxg3 O-O-O 20. O-O f6 21. Ra1 {Strongly threatening exf6.} fxe5 22. Rxa7 Kb8 23. Rfa1 {Hoping for Be4.} exd4 24. cxd4 Qd6 {[#]} 25. Nb3 $1 b5 $2 (25... Kc7 $16 {was worth a try.}) 26. Kh1 (26. Qa2 $142) 26... Kc7 $2 (26... Nb6 27. Nc5 Rd7 28. Nxd7+ Nxd7) 27. Na5 $18 {White is clearly winning.} Rb8 28. Rc1 Kb6 {[#]} 29. Rxb7+ (29. Qa2 $142 $1 {[%mdl 512]} Kc7 30. Nxc6 Qxc6 31. Rxc6+ Kxc6 32. Qxe6+ Kc7 33. Bxb5) 29... Rxb7 30. Rxc6+ Qxc6 31. Nxc6 Rc8 32. Bxb5 Nb8 (32... Rxc6 $142 33. Bxc6 Kxc6 34. Qxe6+ Kc7 35. Qc4+ Kd6) 33. Qxe6 {Precision: White = 78%, Black = 50%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Lalith Babu M R"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2531"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,12,-42,2,-14,-11,-11,-11,-4,-4,-10,0,0,0,-9,0,0,0,0,0,-10,0,-2,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,11,16,16,15,16,0,0,0,8,0,0,-1,0,0]} 1. Nf3 b6 2. d4 Bb7 3. g3 Nf6 4. Bg2 c5 5. c3 e6 6. O-O Be7 7. a4 {LiveBook: 9 Games} (7. c4 $11) 7... cxd4 {A47: 1 d4 Nf6 2 Nf3 b6: Torre, London and Colle Systems} 8. cxd4 {The position is equal.} Nc6 $146 ({Predecessor:} 8... O-O 9. Nc3 d5 10. Ne5 Nfd7 11. Nd3 Nc6 12. e3 Ndb8 13. Bd2 Na5 14. Na2 Nc4 15. Bc3 Nc6 16. Qb1 {½-½ (16) Chernikov,O (2395)-Belik,D (2325) Brno 1993}) 9. Ne5 d5 10. Nxc6 Bxc6 11. Nc3 O-O 12. Bg5 Qd7 13. Qd3 Rac8 14. Rfc1 h6 15. Bxf6 Bxf6 16. e3 Be7 17. Bf1 Rc7 18. Qd1 Rfc8 19. Qb3 Qd8 20. Rd1 Rb8 {[%cal Bc8b8,Bb8b7,Bb7c7][%mdl 32]} 21. Rdc1 Qc8 22. Nb5 Bxb5 $1 23. Rxc7 Qxc7 24. axb5 Rb7 25. Bd3 Qd6 26. Rc1 Rc7 27. Rc3 Qd8 28. Qc2 Bd6 29. Rc6 Kf8 30. Rxc7 Qxc7 31. Qxc7 Bxc7 32. Kf1 {Precision: White = 74%, Black = 50%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Deepan Chakkravarthy J."]
[Black "Sekar, B."]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2516"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,93,0,18,0,13,17,14,8,27,20,27,34,27,38,41,23,39,29,29,29,29,29,29,36,36,36,36,36,36,36,36,29,29,29,29,29,66,66,124,85,77,74,109,116,104,105,85,104,108,99,87,97,110,87,101,42,43,46,47,31,38,38,172,172,283,283,879,892,868,837,654,742,589,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nf3 {B91: Sicilian Najdorf: 6 g3} (7. Nb3 Be7 8. Bg2 O-O 9. O-O Be6 10. Re1 Nbd7 11. Nd2 b5 12. Nf1 Bg4 13. f3 Be6 14. Ne3 Rc8 15. a3 Nb6 16. f4 Re8 17. Kh1 Bf8 {0-1 (42) Naiditsch,A (2701)-Carlsen,M (2843) Karlsruhe/Baden-Baden 2018}) 7... Be7 8. Bg2 O-O 9. Nh4 g6 {LiveBook: 3 Games} 10. a4 Bg4 11. Nf3 Nc6 12. O-O Nd4 13. Be3 Nxf3+ 14. Bxf3 Be6 {[#]} 15. a5 $146 Rc8 16. Na4 Nd7 17. b3 Bg5 18. Bxg5 Qxg5 19. c4 Qd8 20. Qd2 Nc5 21. Qb4 Nxa4 22. Rxa4 {[%cal Ba1a4,Ba4b4,Bb4b6][%mdl 32]} Qc7 23. Rd1 Rfd8 24. h4 Rb8 25. Rda1 h5 26. Qd2 Qc8 27. Rb4 Bg4 (27... Qc5 $14) 28. Bg2 Rd7 29. Rb6 Qc5 30. Bf1 Rc8 31. b4 Qd4 32. Qxd4 exd4 33. b5 axb5 34. cxb5 Bf3 35. a6 Bxe4 36. Bg2 (36. Rd1 $16) 36... Bxg2 $14 37. Kxg2 bxa6 38. bxa6 {[%mdl 4096] Endgame aiming for a7. KRR-KRR} Kg7 $1 39. Kf3 d5 {[#]} (39... Re8 $1 $14) 40. Ke2 $1 $18 Rdc7 (40... Rc2+ $142 41. Kd3 Rcc7 42. Kxd4 Rc4+ 43. Ke3 Ra7) 41. Kd3 Rc1 $2 (41... Rd7 42. a7 (42. Kxd4 Rc4+ 43. Kd3 Ra7 $18) 42... Ra8) 42. Rxc1 Rxc1 43. Kxd4 Rd1+ 44. Kc5 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 45. Rb2 $2 ({Only move:} 45. Rb3 $18) 45... Ra1 $11 46. Kb6 {[#] Hoping for Rb3.} d3 $1 47. a7 {[%mdl 32768] Precision: White = 77%, Black = 52%. . Loss on Time!?} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Rahman, Ziaur"]
[Black "Sandipan, Chanda"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2495"]
[BlackElo "2573"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,31,31,31,32,36,28,29,24,24,32,30,36,35,47,16,22,17,22,7,13,-3,-2,-34,-15,-19,0,0,0,0,0,0,0,9,51,51,51,51,51,47,51,51,51,51,51,51,51]} 1. Nf3 f5 2. d3 {[%cal Bd2d3,Bd3d4,Bd4d5][%mdl 32]} Nc6 (2... d6 3. e4 e5 4. Nc3 Be7 5. d4 fxe4 6. Nxe4 d5 7. Neg5 exd4 8. Bd3 Qd6 9. Nxd4 c5 10. Nb5 Qe5+ 11. Be3 Na6 12. O-O {1-0 (36) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 3. d4 e6 4. g3 Nf6 5. Bg2 Be7 6. c4 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} O-O 7. O-O d6 8. d5 Ne5 {LiveBook: 3 Games} 9. Qb3 Nxf3+ 10. exf3 e5 $146 11. f4 Nd7 12. Nc3 exf4 13. Bxf4 g5 14. Bd2 Nc5 15. Qd1 Bf6 16. f4 g4 17. Be3 a5 18. Bd4 Bd7 19. Re1 Bxd4+ 20. Qxd4 Qf6 21. Qxf6 Rxf6 22. Re3 $36 {[%mdl 2048] White has good play.} Rff8 23. Rae1 Rfe8 24. Rxe8+ Rxe8 (24... Bxe8 {is more complex.} 25. Re7 Rc8 26. Ne2 Bg6 27. Nd4 Kf8) 25. Rxe8+ {White is slightly better.} Bxe8 $11 {KBN-KBN} 26. Bf1 Kg7 27. Kf2 h5 28. Ke3 Kg6 29. h4 Kf6 30. Bd3 Bd7 {Precision: White = 87%, Black = 62%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Vignesh N R"]
[Black "Tukhaev, Adam"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2485"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,118,23,27,37,44,37,45,12,0,0,0,0,-8,-25,0,0,0,0,0,-5,0,-45,-33,-212,-209,-201,-207,-224,-111,-111,-111,-111,-111,-123,-111,-111,-111,-129,-130,-133,-138,-138,-143,-150,-138,-124,-120,-154,-123,-182,-182,-149,-89,-89,-89,-91,-91,-91,-92,-154,-152,-155,-141,-364,-229,-352,-347,-411,-400,-533,-370,-357,-355,-545,-543,-539,-526,-946,-877,-1282,-1243,-1580,-1668,-1506,-1112,-29962,-10579,-29969,-29970,-29970,-29971,-29969,-29970,-6103,-6015]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 O-O 8. Qd2 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e6][%mdl 32]} 9. O-O-O Nc5 10. Be3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Re8 11. Bc4 Be6 12. Bxe6 Nxe6 13. h4 c6 {LiveBook: 3 Games} 14. c4 {[#]} Qc7 $146 ({Predecessor:} 14... a6 15. Ng5 b5 16. Qd3 Nf8 17. Qf5 f6 {1-0 (36) Carlsen,M (2714)-Karpov,A (2670) Moscow 2007}) 15. Nd4 Rad8 16. h5 Nxd4 17. Qxd4 Bf6 18. Qf4 h6 19. Rd3 Bg5 20. Qg3 Bxe3+ 21. Rxe3 Qa5 22. a3 $1 d5 23. Re5 Qc5 $40 {[%mdl 128] Black is up to no good.} 24. Rh4 $2 (24. f3 $15) 24... dxc4 $19 ({And not} 24... Rxe5 25. Qxe5 f6 26. Qe2 $11) 25. Rxe8+ Rxe8 {[%mdl 4096] Endgame KQR-KQR} 26. Rg4 {[#]} Qe5 ({Weaker is} 26... Qxh5 27. Rxg7+ Kh8 28. Kb1 $11) ({Don't play} 26... Re1+ 27. Kd2 $17) (26... Kh8 $1 $19 27. Kb1 Rg8) 27. Qxe5 $17 Rxe5 28. Rxc4 Rxh5 {KR-KR} 29. Rf4 Rh2 30. g3 g5 31. Rf5 Kg7 32. Kd2 Kg6 33. Rf3 h5 34. Ke2 h4 35. gxh4 Rxh4 36. Rd3 f6 37. Rd8 {[#]} (37. b3 $17 {was called for.}) 37... Re4+ $1 $19 38. Kf3 Re7 (38... Rc4 $142 39. c3 a5) 39. Ra8 a6 40. Rb8 Kf5 41. a4 Rd7 42. b4 ({White should play} 42. Rc8) 42... Ke5 $17 43. Ke3 g4 44. c4 $2 (44. Rg8 $17) 44... Kf5 45. Re8 (45. Ke2 $142) 45... Rd1 $19 {...Re1+ is the strong threat.} 46. Ra8 Re1+ 47. Kd3 Re7 48. Rf8 Kg5 49. b5 (49. Kd2 $142 f5 50. Rd8) 49... axb5 50. cxb5 cxb5 51. a5 f5 52. Rd8 Kf4 53. Rd5 Re5 54. Rd7 b4 55. Rxb7 Rxa5 56. Rxb4+ Kf3 57. Rb2 Rd5+ 58. Kc3 f4 59. Kc4 Rd1 {Precision: White = 40%, Black = 80%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Laxman, R.R."]
[Black "Mendonca, Leon Luke"]
[Result "1-0"]
[ECO "E17"]
[WhiteElo "2444"]
[BlackElo "2122"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,83,19,9,4,11,4,-1,0,0,16,26,63,3,23,0,0,0,14,21,91,100,193,183,179,162,221,117,110,0,47,64,244,232,372,260,422,412,391,174,119,181,181,181,170,171,150,128,148,95,163,110,1186,1156,1344,1322,1228,1094,5506,5410,29994,29995,29998,29999]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Re1 Na6 8. Ne5 {E17: Damenindisch (Hauptfortsetzung)} Bxg2 9. Kxg2 c5 10. d5 Qc7 11. Nf3 Ne4 12. Nfd2 {LiveBook: 6 Partien} (12. a3 f5 13. Qd3 Qb7 14. Nbd2 Nxd2 15. Bxd2 Bf6 {0-1 (38) Mamedyarov,S (2799)-Korobov,A (2652) Huaian 2017}) 12... exd5 13. cxd5 Nxd2 14. Nxd2 $146 ({Vorgänger:} 14. Bxd2 Qb7 15. e4 c4 {½-½ (25) Nyvlt,Z (2434)-Wagner,R (2452) ICCF email 2015}) 14... d6 15. e4 Qd7 16. Nc4 Nc7 17. Bf4 (17. a4 $14) 17... f5 $11 18. e5 dxe5 19. Rxe5 {Droht d6 und aus.} Bf6 20. d6 Nb5 (20... Rad8 $11) 21. Qd5+ $16 Kh8 (21... Qf7 $16) 22. Rxf5 $18 Nd4 23. Rh5 Rae8 (23... Ne6 $142) 24. Rf1 (24. Ne5 $1 $18 {[%cal Re5g6]} Bxe5 25. Bxe5) 24... Qg4 $16 25. Rh3 (25. h3 $16 Qe2 26. b3) 25... Ne2 26. Be3 $1 $40 {[%mdl 128] Schwarz muss sich nun genau verteidigen.} b5 $2 {[#]} (26... g6 $14) 27. Nd2 $1 $18 Bd4 (27... Nd4 $142) 28. Rh4 Qg6 $2 (28... Qd7) 29. d7 ({Weniger gut wäre} 29. Bxd4 Nxd4 30. d7 (30. Qxc5 Nf5 $16) 30... Rd8 $16) 29... Rd8 30. Bxd4 (30. Re1 $142 Bxe3 31. fxe3 Nxg3 32. hxg3) 30... Nxd4 31. Qxc5 Qc6+ 32. Ne4 Qxd7 {[#] und nun wäre ...Sf3 stark für Schwarz.} 33. Rd1 $1 {[%cal Bf1d1,Bd1d3,Bd3d4][%mdl 32]} h6 34. Rd3 a6 35. f3 ({Besser ist} 35. b4) 35... Kg8 (35... Qf5 $16 {war nötig.}) 36. Nf6+ ({Lieber} 36. Rf4 $18 Rxf4 37. gxf4) 36... gxf6 $2 {[%mdl 8192]} (36... Rxf6 $16 37. Rhxd4 Rc8 38. Rxd7 Rxc5) 37. Rdxd4 Qe6 38. Rhg4+ Kh8 39. Qc1 {[%cal Rc1h6]} f5 40. Rxd8 {Weiss droht Dc3+ und Matt.} Qe2+ 41. Kg1 {[%cal Rc1h6]} fxg4 42. Qxh6+ {Precision: Weiß = 52%, Schwarz = 30%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Gukesh D"]
[Black "Vishnu Prasanna. V"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "2426"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,9,18,0,5,0,1,0,0,0,0,0,0,0,0,-13,0,-23,-10,-46,-43,-46,-39,-38,7,0,12,11,15,7,16,-14,3,0,0,0,0,0,0,0,11,0,0,0,8,12,4]} 1. Nf3 d5 2. g3 c5 3. Bg2 g6 4. c3 Nc6 5. d4 cxd4 6. cxd4 Bg7 7. Nc3 e6 8. O-O Nge7 {[%cal Bg8e7,Be7f5,Bf5d6,Bd6e4][%mdl 32]} 9. b3 O-O 10. e3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} b6 {LiveBook: 24 Games} 11. Bb2 $146 ({Predecessor:} 11. Ba3 Ba6 12. Re1 Qd7 13. e4 Rfe8 14. Rc1 Rac8 15. e5 Bh6 16. Rc2 Nb8 17. h4 Rc7 {½-½ (48) Kramnik,V (2812)-Anand,V (2770) Leuven 2016}) 11... Ba6 12. Re1 Rc8 13. Rc1 Nf5 14. Bf1 Bxf1 15. Kxf1 Qd7 16. Re2 Rfd8 17. Rd2 Nd6 18. Ne1 Ne4 19. Re2 e5 20. dxe5 Nxe5 21. Kg1 Qb7 {White must now prevent ...Ng5.} 22. Nb5 {The position is equal.} Rxc1 23. Qxc1 Rc8 24. Rc2 Rc5 25. Nd4 Nc6 {With the idea ...Nb4.} 26. Nxc6 Qxc6 27. Bxg7 Kxg7 28. Qb2+ Kg8 29. f3 Nd6 30. Kf2 h5 31. Rd2 {Hoping for Nd3.} Nf5 {[#]} 32. e4 $1 {[%mdl 512]} Ne7 $1 {Precision: White = 56%, Black = 58%.} (32... dxe4 33. Rd8+) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Raghunandan, Kaumandur Srihari"]
[Black "Karthikeyan, Murali"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2400"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,133,21,13,16,9,14,6,72,60,45,60,60,58,70,50,60,54,69,54,62,51,47,43,56,14,30,34,30,11,31,11,27,13,28,-22,-11,-4,-20,-81,-69,-68,-64,-68,-72,-60,-38,-41,-44,-37,-18,-58,0,-35,-24,-25,0,0,0,0,0,-10,24,-41,-31,-27,-31,-27,0,-35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Nbd7 {[%cal Bb8d7,Bd7f8,Bf8e6][%mdl 32]} 7. Bd3 Be7 8. Bf4 {D35: Queen's Gambit Declined: Exchange Variation} (8. Qc2 Nf8 9. Nf3 Ne6 10. Bh4 g6 11. O-O O-O 12. Rab1 Ng7 13. b4 a6 14. a4 Bf5 15. b5 axb5 16. axb5 Bxd3 17. Qxd3 Nf5 18. Bxf6 Bxf6 19. Ra1 Nd6 20. bxc6 bxc6 21. Ra6 Qc7 22. Rfa1 Qb7 23. Qe2 Rxa6 24. Qxa6 {½-½ (45) Tomashevsky,E (2713)-Sjugirov,S (2650) St Petersburg 2017}) 8... Nf8 9. h3 {LiveBook: 5 Games} Ne6 10. Be5 O-O 11. Nf3 $146 ({Predecessor:} 11. Nge2 Bd6 12. Qc2 g6 13. Bxd6 Qxd6 14. O-O Re8 15. Rab1 Bd7 {1-0 (63) Raghunandan,K (2221)-Himanshu,S (2417) Nagpur 2015}) 11... c5 (11... g6 $11 {keeps the balance.}) 12. dxc5 Nxc5 13. O-O Nfe4 14. Rc1 Bf5 15. Bb1 Nxc3 16. Rxc3 Be4 17. Nd4 Bxb1 18. Qxb1 Ne4 19. Rd3 Qd7 20. Nf3 {Threatening Rfd1.} Qe6 21. Rfd1 Rfd8 {[%cal Bf8d8,Bd8d7,Bd7f7][%mdl 32]} 22. b3 h5 23. Qb2 g5 24. Bc7 {Black must now prevent Nd4.} Rd7 25. Qe5 {[%cal Rd3d5]} Bf6 26. Qxe6 fxe6 27. Bh2 (27. Be5 $11) 27... Rf7 28. Rc1 g4 29. hxg4 hxg4 30. Nd4 {[#]} Nxf2 $1 {[%mdl 512]} 31. Kxf2 Bxd4+ $1 32. Ke2 Bg7 (32... Bf6 {seems wilder.} 33. e4 Re8 34. Rc2 Kh7 35. exd5 exd5+ 36. Re3 Rxe3+ 37. Kxe3 Kg6) 33. Bg3 Rd7 (33... Kh7 $15) 34. e4 Re8 35. e5 Bh8 36. Rd4 Rg7 37. Bf4 g3 38. Rc3 Rf8 39. Rxg3 (39. Bh6 $11 Rf2+ 40. Ke1) 39... Rxg3 40. Bxg3 $11 {[%mdl 4096] Endgame KRB-KRB} Rf5 41. Rg4+ Kf7 42. Rf4 (42. Rb4 $5 {[%cal Rb4b7]}) 42... Kg6 43. Rg4+ {The position is equal.} Rg5 44. Kf3 Rxg4 45. Kxg4 {KB-KB} Bg7 46. Bh2 a6 47. Kf3 Bh6 48. Bg1 Bd2 49. Bd4 b5 50. g4 b4 51. Bc5 Bc3 52. Kf4 Bd2+ 53. Kf3 Kf7 54. Bd6 Bc3 55. Kf4 Kg6 56. Bc5 d4 {Strongly threatening ...d3.} 57. Ke4 Kg5 58. Bxd4 Bxd4 59. Kxd4 Kxg4 {K3P-K3P} 60. Kc5 Kf5 61. Kxb4 {[#] And now Kc5 would win.} Kxe5 {KPP-KPP} 62. Kc5 Kf4 63. b4 {Threatens to win with a4.} ({Don't blunder} 63. Kb6 $2 e5 $19) 63... e5 {[%cal Be6e5,Be5e4,Be4e3][%mdl 32]} 64. a4 $1 {Hoping for b5.} e4 65. b5 axb5 66. axb5 {b6 would kill now.} e3 {( -> ...e2)} 67. b6 {Precision: White = 59%, Black = 66%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Koustav Chatterjee"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "2364"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,106,33,14,25,14,14,27,33,33,47,0,14,-31,-40,-79,-89,-80,-57,-52,-57,-52,-54,-58,-38,-45,-39,-43,-43,-48,-11,-29,-22,-66,-51,-79,-35,-25,-24,-16,0,0,0,0,0,0,33,25,45,33,52,49,92,15,28,-33,0,0,0,-68,-47,-130,-114,-103,-116,-255,-245,-618,-494,-567,-525,-599,-590,-735,-728,-727,-676,-658,-602,-585,-572,-518,-444,-2974,-2661,-3390,-3260,-5846,-5822,-29968,-29966,-29989,-29990,-29992,-29993]} 1. c4 e5 2. g3 c6 3. Nf3 e4 4. Nd4 Nf6 5. Bg2 d5 6. d3 {A20: English Opening: 1...e5} (6. cxd5 Qxd5 7. e3 Na6 8. d3 Bb4+ 9. Nc3 Nc5 10. O-O Bxc3 11. dxe4 Ncxe4 12. bxc3 O-O 13. Qc2 c5 14. Nb3 Bf5 {0-1 (59) Gelfand,B (2729)-Inarkiev,E (2702) Nazran 2017}) 6... Bb4+ 7. Nc3 O-O 8. O-O {LiveBook: 5 Games. White is slightly better.} e3 9. fxe3 {White wants to play cxd5.} dxc4 10. Nc2 Bxc3 11. bxc3 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 12. d4 $146 ({Of course not} 12. dxc4 Qxd1 13. Rxd1 Bxe2 $15) ({Predecessor:} 12. Qd2 Na6 13. Nd4 Re8 {1-0 (47) Lenderman,A (2623)-Mikhalevski,V (2526) Calgary 2015}) 12... Re8 13. Rf4 Bh5 14. e4 {[#]} Bg6 $1 {[%cal Rg6e4]} 15. e5 Rxe5 $1 16. Ne3 Rxe3 17. Bxe3 Nd5 18. Bxd5 cxd5 19. Qf1 Nc6 {[%mdl 1024] Black has compensation.} 20. Qf3 Qe7 21. Rf1 Re8 22. Bd2 Qe6 23. Rf2 Ne7 24. g4 Be4 25. Qg3 f6 26. Rf1 Qa6 27. R4f2 Qxa2 28. Bc1 Qa6 29. h4 Qe6 30. h5 Rf8 31. h6 {And now hxg7 would win.} Rf7 $1 32. hxg7 {Black must now prevent Bh6.} Kxg7 33. Bg5 (33. Bh6+ $16 Kh8 34. Rh2) 33... Ng8 $11 34. Bh4 (34. Qh4 $11) 34... b5 $40 {[%mdl 128] Black mounts an attack.} 35. g5 f5 36. Qh3 (36. Qb8 $11) 36... Ne7 $15 37. g6 (37. Bg3 $15) 37... Nxg6 38. Bg5 Kg8 39. Kh2 (39. Bh6 $17) 39... a5 $19 40. Bf4 $2 (40. Ra1 Qb6 41. e3) 40... b4 41. cxb4 axb4 42. Rg1 {White hopes to continue with Rff1.} b3 43. Qc3 Qf6 {( -> ...Qh4+)} 44. Bg5 Qb6 45. Bc1 {[#]} f4 $1 46. Bb2 (46. Bxf4 b2) 46... Qc7 47. Qh3 f3+ 48. Rg3 (48. Qg3 $142 fxe2 49. Qxc7 Rxc7 50. Rxe2) 48... c3 49. Bxc3 Qxc3 50. exf3 b2 51. Qe6 Qxd4 {Black mates.} 52. Rgg2 b1=Q 53. fxe4 Qb8+ {Precision: White = 32%, Black = 77%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Siva Mahadevan"]
[Black "Burmakin, Vladimir"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "2364"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,138,30,35,37,29,40,40,37,42,37,51,34,36,60,16,8,0,14,0,12,0,4,0,61,20,35,18,10,9,24,0,5,-44,0,0,53,48,48,38,53,0,46,48,51,0,53,38,38,-30,-30,-30,-30,-30,-30,-36,-30,-36,-36,-36,-36,-36,-36,-36,-36,-62,-36,-68,-77,-61,-36,-36,-36,-36,-36,-61,-36,-95,-107,-108,-102,-109,-122,-116,-118,-170,-8,-8,-8,-8,-8,-8,-8,-5,-6,-8,-4,-8,-8,-8,-8,-140,-138,-178,-4,-85,-85,-77,-77,-84,-84,-569,-564,-535,-535,-1284,-1318,-1703,-1716,-1713,-1697]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 c6 6. Ne5 Be6 {B01: Scandinavian Defence} (6... Nbd7 7. Nc4 Qc7 8. Qf3 Nb6 9. Bf4 Qd7 10. Nxb6 axb6 11. O-O-O Qd8 12. h3 e6 13. Bc4 Be7 14. g4 {½-½ (32) Grischuk,A (2750)-Rapport,R (2698) chess.com INT 2017}) 7. Bf4 Qd8 8. Be2 g6 9. Qd2 Nbd7 10. O-O-O Bg7 11. h4 {LiveBook: 3 Games} Qa5 12. Nc4 $146 ({Predecessor:} 12. Kb1 Ne4 13. Qe3 Nxc3+ 14. Qxc3 Bxa2+ {0-1 (60) Ishoo,Y (2028)-Tiviakov,S (2621) Beirut 2015}) 12... Bxc4 13. Bxc4 Nb6 14. Bb3 Nbd5 15. Nxd5 Qxd2+ 16. Bxd2 cxd5 17. Rhe1 (17. h5 $5) 17... e6 18. f3 O-O 19. a4 Rfc8 20. Kb1 Rc6 21. c3 Nd7 ({Black should play} 21... a6 $11) 22. a5 {Threatens to win with Ba4.} b5 23. Bc2 Nf6 24. Bd3 a6 25. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} Bf8 26. b4 Rac8 27. Kb2 Ne8 (27... Bd6 $11) 28. g4 $1 $14 Nd6 29. Re2 Be7 30. Be1 (30. f4 $14) 30... Nc4+ (30... Kf8 {feels hotter.} 31. Kb3 Bf6 32. g5 Be7 33. Rc1 Kg7) 31. Bxc4 Rxc4 32. Kb3 (32. f4 $14) 32... h6 (32... R4c6 $11) 33. Rd3 g5 34. h5 (34. Bg3 $14) 34... Bd6 $11 35. Bd2 Kf8 36. Be1 Ke7 37. Bd2 Kd7 38. Be1 Rf8 39. Bd2 Rcc8 40. Be1 f5 41. Rde3 Rf6 42. Bd2 Re8 43. Kc2 fxg4 44. fxg4 Rf4 45. Rg2 Ref8 46. Ree2 Rf3 47. Be1 R8f4 48. Bd2 (48. Ref2 $15) 48... Re4 $1 $17 49. Rxe4 dxe4 {[%mdl 4096] Endgame KRB-KRB} 50. Re2 Bf4 $1 51. Be1 Be3 52. c4 (52. Bd2 $17 {is a better defense.} Bxd2 53. Kxd2) 52... bxc4 $2 (52... Kc6 $19 53. cxb5+ Kxb5) 53. Kc3 $11 {[#]} e5 $1 {[%mdl 512]} 54. dxe5 Ke6 {With the idea ...Kd5.} 55. Kxc4 Kxe5 56. Bc3+ Kf4 57. Kd5 Kxg4 {White must now prevent ...Kf5.} 58. Kxe4 Bf2 59. Be5 Rf7 60. b5 (60. Rc2 $11 {remains equal.}) 60... axb5 $17 61. Rb2 Kxh5 $2 (61... Kh4 $1 $19 {Strongly threatening ...g4.} 62. Rb1 g4 63. Rh1+ Kg5) 62. Rxb5 (62. a6 $1 $11 {keeps the balance.}) 62... Kg4 63. a6 {[#]} h5 $1 64. Rb7 {[#]} Rf3 $1 {[%cal Rf3e3] ...Re3+ is the strong threat.} 65. Rg7 $2 {[%mdl 8192]} (65. Rb2 $17 {is more resistant.}) 65... Re3+ $19 {Black is clearly winning.} 66. Kd5 Ra3 67. Bf6 Be3 68. Ke4 Rxa6 69. Be7 Bf4 {Precision: White = 35%, Black = 64%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Saravana, Krishnan P."]
[Black "Neverov, Valeriy"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2360"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,109,-20,-14,-18,-22,-20,-19,-25,-41,-16,-21,0,-10,-20,-7,-15,-46,-59,-56,-38,-43,-27,-45,-46,-40,-31,-43,-29,-56,-41,-42,-44,-77,-73,-105,-95,-88,-104,-112,-90,-138,-143,-135,-142,-128,0,0,-2,-7,-16,-11,0,0,0,-24,0,0,0,0,0,0,0,0,0,0,0,0,0,0,97,97,97,97,102,102,104,0,0,0,164,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nde2 h5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... b5 8. Ng3 Qc7 9. Bd3 g6 10. O-O Bg7 11. Bd2 O-O 12. a4 b4 13. Na2 a5 14. c3 bxc3 15. Nxc3 Be6 {½-½ (40) Svidler,P (2760)-Khismatullin,D (2632) Sochi 2018}) 8. g3 Nbd7 9. Bg2 b5 10. Bg5 Be7 11. Nd5 Nxd5 12. Qxd5 {LiveBook: 6 Games. Hoping for Bxe7.} Rb8 13. Bxe7 Qxe7 14. Rd1 Rb6 15. a3 Nf6 $146 ({Predecessor:} 15... h4 16. g4 Nc5 {0-1 (42) Nikolova,A (2290)-Eliseev,U (2486) St Petersburg 2012}) 16. Qd2 O-O 17. O-O Bb7 18. Nc3 Rc8 19. Nd5 Bxd5 $1 20. exd5 Qc7 21. c3 a5 22. Qg5 Re8 23. Rfe1 Rb7 24. Rd3 Qd8 25. Rf3 e4 26. Rf5 Rbe7 27. Bf1 ({Don't go for} 27. Rxf6 $2 Re5 $17) 27... Re5 28. Bxb5 Rxf5 29. Qxf5 Re5 30. Qf4 Nxd5 31. Qd2 e3 $1 {[%cal Re3d2]} 32. fxe3 Qg5 33. Qg2 Nxe3 ({Better is} 33... h4 $1 $17 34. Qf3 Nxe3) 34. Qa8+ $11 Kh7 35. Bd3+ g6 36. Qf3 Kg7 37. Qf4 {aiming for Qxg5.} Qe7 $1 38. Re2 f5 39. b4 axb4 40. axb4 Kh7 41. Qd4 Qg5 42. Qf4 Qe7 43. Qd4 Qg5 44. Kf2 {[%cal Re2e3]} Nd1+ 45. Kf3 Qc1 (45... Qe7 $11 {remains equal.}) 46. Rxe5 $16 dxe5 47. Qxe5 {Qe7+ is the strong threat.} Nxc3 48. Qc7+ Kh8 {[#]} 49. Qd8+ (49. Bc4 $1 $16 {Threatening mate with Qd8+.} Qh1+ 50. Kf4 Qc1+ 51. Ke5) 49... Kh7 $11 50. Qc7+ $2 (50. Qe7+ $11 Kh6 51. Qf8+ Kh7 52. Qf7+ Kh6 53. Qf8+ Kh7 54. Qf7+ Kh6 55. Qf8+) 50... Kh8 $1 $18 {[#]} 51. Qe5+ $2 (51. Bc4 $1 $18 {Qd8+ would kill now.} Qh1+ 52. Kf4 Qc1+ 53. Ke5) 51... Kh7 $11 {The position is equal.} 52. Qe7+ Kh6 53. Qf8+ Kh7 54. Qe7+ Kh6 55. Qf8+ {Precision: White = 53%, Black = 74%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Rajdeep Sarkar"]
[Black "Shyam, Sundar M."]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2355"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,60,28,-33,8,12,16,3,14,-31,-30,-41,-31,-29,-15,-22,-9,-29,0,0,0,0,0,0,0,-98,43,-166,-151,-153,-170,-165,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 g6 3. d4 (3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Qb3 Qb6 8. Nc3 Bf5 9. Ne5 Be6 10. Qd1 dxc4 11. Na4 Qd8 12. Nc5 Qc8 13. Qc2 Bh3 14. Qxc4 Bxg2 15. Kxg2 Nbd7 16. Ncd3 Nxe5 17. dxe5 Nd5 {1-0 (36) Nakamura,H (2787)-Kramnik,V (2800) Moscow 2018}) 3... Bg7 4. c4 dxc4 5. Bg2 c6 6. a4 {LiveBook: 3 Games. A07: Réti Opening: New York and Capablanca Systems} ({White should try} 6. Na3 $11) 6... Bg4 (6... c5 $5) 7. O-O $146 ({Predecessor:} 7. e3 e5 8. Nbd2 exd4 9. exd4 Qe7+ 10. Kf1 Be6 11. Ne4 {½-½ (45) Vajda,L (2500)-Kiss,A (2361) Hungary 2002}) 7... Bxf3 8. Bxf3 Qxd4 9. Qc2 Na6 10. a5 Nf6 11. Rd1 Qe5 12. Qxc4 O-O $36 {[%mdl 2048] Black is pushing.} 13. Nc3 Rfd8 14. Rxd8+ $1 Rxd8 15. Bxc6 bxc6 16. Qxa6 Qh5 {Hoping for ...Ng4.} 17. Kg2 (17. Qxa7 Ng4 $19) (17. Qxc6 $11 Ng4 18. h4) 17... Nd5 (17... Ng4 $17 18. h3 Nxf2 $1 {[%mdl 512]} 19. Kxf2 Qf5+ 20. Kg2 (20. Bf4 e5 $17) 20... Bxc3 21. bxc3 Rd1) 18. Nxd5 $2 (18. Qxa7 $14 {stays ahead.} Nxc3 19. bxc3 Qd5+ 20. f3) 18... Qxd5+ $19 19. f3 {[#]} Qd1 $1 20. Qxa7 Qxe2+ $2 ({Better is} 20... Bd4 $19 21. Qxe7 Ra8) 21. Qf2 $11 {The position is equal.} Qd1 22. Qf1 Qc2+ 23. Qf2 Qd1 24. Qf1 Qc2+ 25. Qf2 Qd1 26. Qf1 Qc2+ 27. Qf2 Qd1 28. Qf1 Qc2+ 29. Qf2 Qd1 30. Qf1 Qc2+ {Precision: White = 53%, Black = 66%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Mohammad Fahad, Rahman"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2296"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,90,14,-15,0,-23,-12,-11,0,0,0,0,0,-34,-31,-38,-33,-71,-53,-58,-55,-51,-19,-104,-106,-118,-97,-126,-109,-216,-199,-273,-259,-246,-253,-226,-222,-258,-168,-177,-171,-173,-179,-163,-175,-207,-154,-160,-150,-357,-364,-365,-358,-425,-400,-382,-248,-260,-262,-258,-254,-368,-366,-369,-372,-436,-429,-427,-421,-402,-387,-575,-545,-648,-643,-702,-690,-814,-807,-793,-792]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Nf6 5. e5 Nfd7 6. a3 Be7 7. b4 {LiveBook: 3 Games. C15: French: 3 Nc3 Bb4: Unusual White 4th moves} (7. f4 c5 8. Be3 Nc6 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. Nd4 O-O 12. b4 Nd7 13. g3 Qb6 14. Nce2 f6 15. Bg2 Nxd4 16. Qxd4 fxe5 17. fxe5 Qxd4 18. Nxd4 Nxe5 {0-1 (50) Ismagambetov,A (2531)-Vallejo Pons,F (2698) Tromsoe 2014}) 7... b6 8. Na4 $146 ({Predecessor:} 8. f4 c5 9. b5 a6 10. Rb1 O-O 11. a4 axb5 12. axb5 f6 13. g3 Qc7 14. Bh3 cxd4 15. Bxe6+ {0-1 (48) Hector,J (2515)-Renner,C (2442) Germany 2000}) 8... c5 9. c3 {The position is equal.} Ba6 10. Nf4 Bxf1 11. Kxf1 Qc8 12. Be3 cxd4 13. cxd4 a5 14. g3 axb4 15. axb4 Bxb4 16. Kg2 b5 {[%cal Bb6b5,Bb5b4][%mdl 32]} 17. Qb1 (17. Nh5 $11 {remains equal.}) 17... Nc6 $17 ({Weaker is} 17... Rxa4 18. Rxa4 bxa4 19. Qxb4 $16) 18. Nd3 {[#]} Be7 $1 $36 {[%mdl 2048] White is under strong pressure.} 19. Nc3 b4 20. Na4 (20. Nb5 $17 Rxa1 21. Qxa1) 20... O-O 21. Qb2 (21. h4 {was called for.}) 21... Qb7 $19 22. Qe2 Ra5 23. Nab2 Rfa8 24. Rac1 Ncxe5 25. dxe5 d4+ $1 26. Qf3 Qxf3+ 27. Kxf3 dxe3 28. Rc7 Rd5 {And now ...exf2 would win.} 29. Kxe3 g5 30. Nc4 $2 (30. f4 $17 {is a better defense.}) 30... Bc5+ 31. Nxc5 Nxc5 32. Rb1 Ra2 {[%csl Gc5][%cal Rd5d3] [#]} 33. Rb2 Rxb2 34. Nxb2 Rxe5+ {[%mdl 4096] Endgame KRN-KRN} 35. Kd4 Rd5+ 36. Kc4 (36. Ke3 $142) 36... Ne4 37. Kxb4 Nxf2 38. Rc2 Nd3+ 39. Nxd3 Rxd3 {KR-KR} 40. Kc4 Rd5 41. g4 (41. Rg2 $142) 41... Kg7 {Black is clearly winning.} 42. Re2 Kg6 43. h3 h5 44. Rf2 hxg4 45. hxg4 Rd1 {Precision: White = 27%, Black = 73%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Prasad, Devaki V"]
[Black "Harsha Bharathakoti"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "2284"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,116,6,8,0,9,21,18,0,0,0,14,17,23,29,36,11,22,30,42,39,38,32,56,25,37,22,20,0,0,0,0,0,0,-3,8,-3,-3,-9,-6,-14,-6,-14,-14,-5,-13,-30,-25,-25,-22,-48,0,0,0,0,0,-8,0,-144,-150,-138,-148,-140,-137,-263,-229,-312,-300,-308,-323,-329,-322,-397,-360,-287,-313,-374,-363,-356,-318,-733,-727,-656,-581,-715,-649,-841,-835,-3041,-1681,-29981,-29968,-29984,-29985,-29984,-29972]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 {B92: Sizilianisch (Najdorf-Variante mit 6.Le2)} 9. Bxf6 Bxf6 10. O-O Be7 11. Nd5 Nd7 12. Bc4 Rc8 {LiveBook: 4 Partien} 13. Qe2 Nb6 14. Nxb6 Qxb6 15. Bb3 O-O {[#]} 16. h3 $146 ({Vorgänger:} 16. Rfd1) 16... Bxb3 17. axb3 f5 18. exf5 Rxf5 19. Qe4 Rf4 20. Qd5+ Kf8 21. c3 Rc5 22. Qd1 Qc6 23. b4 Rd5 24. Qe2 (24. Qc1 {feels hotter.} Kg8 25. Nd4 Qd7 26. Nc2 Rf7 27. Ne3) 24... Qc4 25. Rfe1 (25. Qc2 {is more complex.} Qe4 26. Qa4 Rd3 27. Ne1 Rd2 28. Rd1) 25... Qxe2 26. Rxe2 Bd8 27. Nd2 Ke7 28. g3 Rf8 29. Kg2 Kd7 30. Nc4 Bc7 31. Ne3 Rd3 32. c4 $1 Bb6 33. c5 dxc5 34. Nc4 Bc7 35. bxc5 Kc6 36. b4 ({Doch nicht} 36. Nxe5+ Bxe5 37. Rxe5 Rd2 $17) 36... Rd4 37. Rc1 Kd5 38. Ne3+ Kc6 39. Nc4 e4 40. Nd2 (40. Rb2 $11 {bleibt in der Remisbreite.}) 40... Rxb4 $17 41. Nxe4 {[#]} Re8 $1 $36 {[%cal Re8e4][%mdl 2048] Schwarz ist am Drücker.} 42. f3 {[#]} a5 $1 {[%cal Ba6a5,Ba5a4][%mdl 32]} 43. Rd2 (43. Rc3 $17) 43... a4 $19 44. Ra1 Ra8 45. Rd3 Be5 46. Raa3 Bd4 47. Rd1 Rb2+ 48. Kf1 Bxc5 49. Rc3 b6 50. Rd6+ Kb5 51. Rd5 $2 (51. Nxc5 bxc5 52. Rd5) 51... Kb4 52. Rc1 Ra5 53. Nd2 Ra7 54. Ke1 a3 55. Nc4 Rg2 56. Ne5 Rg1+ {Schwarz setzt Matt.} 57. Kd2 Rxc1 58. Nd3+ Kc4 {Precision: Weiß = 38%, Schwarz = 83%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Kushagra Mohan"]
[Black "Khusenkhojaev, Muhammad"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2256"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,61,0,0,-6,12,12,14,14,12,-7,-10,0,18,18,25,17,20,21,23,20,26,27,29,27,29,12,21,20,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. Qf3 dxc6 7. Nc3 {C45: Scotch Game} Be6 8. Qg3 O-O-O 9. Be3 Bxe3 10. Qxe3 Kb8 {LiveBook: 7 Games} 11. Bd3 (11. f4 Qe7 12. Bd3 Nh6 13. O-O-O f6 14. g3 Nf7 {½-½ (29) Nepomniachtchi,I (2766)-Carlsen,M (2851) Leuven 2017}) 11... Qh6 12. f4 Ne7 {[%cal Bg8e7,Be7d5,Bd5b4][%mdl 32]} 13. O-O-O Rhe8 14. Rde1 $146 ({Predecessor:} 14. Kb1 Bg4 {0-1 (43) Kuzmin,E (2281)-Khusenkhojaev,M (2440) St Petersburg 2016}) 14... Bc8 15. Qf2 f5 16. g3 fxe4 17. Rxe4 {[#] Threatens to win with Rhe1.} Nd5 18. Rhe1 Rxe4 19. Nxe4 Nb4 20. Bc4 $1 Be6 21. Qc5 Bxc4 $1 22. Qxc4 Nd5 {The position is equal.} 23. Qe2 Re8 24. c4 a5 25. cxd5 cxd5 26. Qb5 $1 {[%cal Rb5e8]} c6 27. Qxa5 dxe4 28. Rxe4 Rxe4 29. Qd8+ Ka7 30. Qa5+ Kb8 31. Qd8+ {Precision: White = 73%, Black = 74%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Suvrajit, Saha"]
[Black "Neelotpal, Das"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "2217"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,-5,-3,-27,-27,-19,-16,2,-3,-20,0,-60,0,0,-6,-14,-20,-33,0,10,0,-91,-129,-143,-136,-422,-411,-401,-249,-241,-258,-226,-235,-239,-250,-522,-287,-283,-227,-272,-285,-246,-209,-206,-213,-339,-292,-315,-265,-702,-717,-764,-789,-788,-793,-751,-656,-750,-731,-912,-910,-910,-861,-975,-956,-1243,-1233,-1156,-1069,-5026,-5026,-29985,-29986,-29986,-29987,-29987,-29988,-29988]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. e3 O-O 6. b4 c6 7. Bb2 Bg4 8. h3 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} Bxf3 {LiveBook: 19 Games} 9. gxf3 Nbd7 10. f4 {Black has an edge.} e6 (10... a5 11. b5 a4 12. Rc1 Qa5 13. Qd2 dxc4 14. bxc6 bxc6 15. Bxc4 c5 {½-½ (50) Kamsky,G (2763)-Gelfand,B (2773) Beijing 2013}) 11. c5 b6 12. Bd3 Rb8 {And now ...bxc5 would win.} 13. Qd2 $146 (13. Rb1 $11) ({Predecessor:} 13. Rb1 Nh5 14. cxb6 axb6 15. Be2 Nhf6 {0-1 (57) Giampa,A (2219)-Mahia,G (2377) Buenos Aires 2013}) 13... bxc5 ({Better is} 13... a5 $15 14. a3 bxc5 15. bxc5 Ne4 $1 {[%mdl 512]} 16. Bxe4 (16. Nxe4 dxe4 17. Bxe4 Nxc5 $17) 16... dxe4 17. Nxe4 f5) 14. bxc5 $11 Nh5 15. Nd1 Qh4 16. Bc3 f6 17. Qe2 {Hoping for Qg4.} f5 18. Kd2 (18. Rb1 $11) 18... g5 $1 $17 19. fxg5 {[#]} e5 $1 {[%cal Re5d4]} 20. Rg1 $2 {[%mdl 8192]} (20. dxe5 $17 Bxe5 21. Rc1) 20... exd4 $19 21. exd4 Bxd4 22. Qe6+ Rf7 23. g6 {[#]} hxg6 $1 ({And not} 23... Bxc3+ 24. Nxc3 hxg6 25. Rxg6+ Kf8 26. Rag1 $14) 24. Qxg6+ Ng7 25. Qxc6 $2 (25. Qg3 Bxc3+ 26. Nxc3 Rb2+ 27. Kc1 Qxg3 28. fxg3) 25... Bxc3+ 26. Kxc3 Qb4+ 27. Kc2 Qd4 ({Not} 27... Qxc5+ 28. Qxc5 Nxc5 29. Ne3 $11) (27... Nxc5 28. Qxd5 Qa4+ 29. Kd2 $17) 28. Nc3 {[#]} Qxd3+ $1 {[%mdl 512]} 29. Kxd3 Ne5+ 30. Kd4 (30. Ke2 {might work better.} Rb2+ 31. Kf1 Nxc6 32. Nxd5) 30... Nxc6+ 31. Kxd5 Rf6 {( -> ...Rb4)} 32. Rae1 $2 (32. Rab1 Rd8+ 33. Kc4) 32... Rb4 {[%csl Gc6][%cal Rb4d4]} 33. Re6 Rd4+ 34. Kxc6 Rxe6+ 35. Kb5 a6+ 36. Ka5 Rc4 37. Na4 Re2 38. a3 Rxf2 39. Rb1 Ne6 40. Rb8+ Kf7 41. Rb7+ Kf6 {aiming for ...Rxa4+!} 42. Rb6 Ra2 43. Rxa6 Rxa3 {Black mates.} 44. Kb5 {[#]} Rcxa4 $1 45. Rxa4 Rxa4 46. Kxa4 {Precision: White = 23%, Black = 54%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.18"]
[Round "5"]
[White "Nguyen, Phuoc Tam"]
[Black "Das, Sayantan"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2210"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,94,0,-14,-79,-83,-152,-141,-158,-150,-143,-124,-139,-138,-131,-133,-168,-89,-200,-196,-216,-207,-262,-235,-335,-295,-326,-335,-341,-335,-341,-277,-265,-239,-258,-262,-264,-240,-540,-535,-548,-550,-685,-653,-706,-700,-684,-668,-639,-519,-463,-454,-492,-501,-690,-98,-100,-97,-116,0,-850,-612,-589,-582,-582,-551,-847,-846,-764,-746,-1452,-1231,-2808,-2368,-29987,-29987]} 1. Nf3 d5 2. g3 c6 3. Bg2 Nf6 4. O-O Bf5 5. d3 e6 6. Nbd2 Be7 7. b3 h6 8. Bb2 O-O 9. Re1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 10. e4 Bh7 11. e5 {A07: Réti Opening: New York and Capablanca Systems} (11. a3 Na6 12. Qe2 Rc8 13. Ne5 Nc5 14. Rad1 Nfd7 15. Ng4 Nf6 16. h3 b5 17. Kh2 Nxg4+ 18. hxg4 dxe4 19. Nxe4 {½-½ (47) Sasikiran,K (2682)-Tomashevsky,E (2745) Tsaghkadzor 2015}) 11... Nfd7 {LiveBook: 3 Games} 12. Nf1 (12. a4 $11) 12... a4 $17 13. g4 $146 (13. Qe2 $142) ({Predecessor:} 13. Nd4 axb3 14. axb3 Rxa1 15. Bxa1 Qa5 16. Ne2 Bb4 17. c3 Be7 18. Nf4 Na6 {0-1 (49) Ahman,E-Ek,H Sundsvall 1969}) 13... c5 14. Ng3 Nc6 15. Qe2 Bg6 16. Bc3 b5 17. Bd2 Qc7 18. Bf4 Nd4 (18... Ra6 $19 19. h4 Rfa8) 19. Qd1 (19. Nxd4 $17 cxd4 20. Qd2) 19... axb3 $19 20. cxb3 Nxf3+ 21. Bxf3 Ra3 22. Qc1 (22. Bc1 $142 Ra5 23. Bd2) 22... Qa7 23. g5 hxg5 (23... Rxa2 24. gxh6 gxh6 25. Rxa2 $19) 24. Bxg5 Bxg5 25. Qxg5 Rxa2 (25... Bxd3 $2 26. Be2 $19) 26. Rxa2 Qxa2 27. h4 Qa5 (27... Qxb3 28. Kg2) 28. Re3 Qd8 {And now ...Qxg5 would win.} 29. Qg4 $2 (29. Qf4) 29... d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 30. Re1 Qa5 31. Re2 Bxd3 32. Nh5 {[%csl Gh5][%cal Rg4g7]} Bg6 33. Kg2 d3 34. Re3 Qc3 35. Qg5 Bxh5 36. Qxh5 {If White can now play Be4 this consolidates a bit.} c4 (36... g6 $2 37. Qg5 $19) 37. Bc6 Nc5 $2 (37... Qd4 $19 38. bxc4 bxc4 39. Bxd7 Qd5+ 40. Rf3 Qxd7) 38. Rg3 $17 Qd2 ({Inferior is} 38... Nxb3 39. Be4 Re8 40. Rf3 g6 41. Bxg6 $1 {[%mdl 512]} fxg6 42. Qxg6+ Kh8 43. Rf7 Qxe5 44. Qh7#) (38... Qxb3 39. Qh6 $18) (38... cxb3 $6 39. Qg5 $11) 39. b4 Rc8 ({But not} 39... Qxb4 $2 40. Qh6 $18) (39... c3 $17 40. bxc5 Qf4 41. Bxb5 g6) 40. Bf3 $2 {[%mdl 8192]} (40. bxc5 $11 Rxc6 41. Qf3) 40... Nd7 {White must now prevent ...Qf4.} (40... Qxb4 41. Qh6 g6 42. h5 Qd2 43. Qxd2 Nb7 44. hxg6 Kf8 45. gxf7) 41. Bb7 Rb8 42. Be4 {[#] Black should prevent Qh7+.} Nf8 $1 43. Re3 Rd8 44. Qg5 Rd4 45. Qf4 Ng6 46. Qg3 Qd1 47. h5 Qxh5 {Precision: White = 31%, Black = 70%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Short, Nigel D"]
[Black "Tran, Tuan Minh"]
[Result "1-0"]
[ECO "E44"]
[WhiteElo "2656"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,95,6,10,7,17,0,12,14,20,13,13,0,0,0,0,-6,-3,-6,-6,-10,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,-8,0,-9,0,0,0,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,56,13,258,246,279,268,268,260,258,251,258,264,679,693,685,678,674,679,642,646,603,600,700,672]} 1. d4 Nf6 {[%cal Bg8f6,Bf6e4,Be4d2][%mdl 32]} 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nge2 Ne4 6. Bd2 Nxd2 7. Qxd2 O-O 8. a3 Be7 {LiveBook: 63 Games} 9. Rd1 $146 {E44: Nimzo-Indian: Rubinstein: 4...b6 5 Ne2} ({Predecessor:} 9. d5 exd5 10. cxd5 c5 11. d6 Bf6 12. Nd5 Nc6 13. Rd1 Bb7 14. Nec3 Be5 15. Nc7 Rc8 16. Ba6 Na5 17. Bxb7 Nxb7 {0-1 (50) Kozionov,K (2437)-Rozum,I (2599) Voronezh 2017}) 9... a5 10. Qc2 Bb7 11. d5 {The position is equal.} Na6 12. Nd4 Nc5 13. Be2 a4 14. Bf3 Qc8 15. O-O g6 16. dxe6 fxe6 17. Ne4 Bf6 18. Nxf6+ Rxf6 19. Bxb7 Qxb7 20. f3 Raf8 21. Nb5 Qc6 22. Nc3 Rf5 23. Rd4 R8f7 24. Rg4 d6 25. Qe2 Nd7 26. Rd4 Nc5 27. Rfd1 {[%cal Bf1d1,Bd1d4,Bd4g4,Bg4g5,Bg5f5][%mdl 32]} Re5 28. Rg4 Nb3 29. h4 Nc5 30. Rdd4 Qe8 31. Rg3 Kf8 32. Rdg4 Qe7 33. Rg5 Ref5 34. Qd1 Qd7 35. Qd4 e5 36. Qd5 e4 ({Better is} 36... Kg7 $11) 37. Qd4 {[#] Strongly threatening Qh8+.} exf3 $2 (37... Kg8 $1 $11 {and Black stays safe.}) 38. Rxf5 $18 Qxf5 39. Qh8+ ({Stronger than} 39. Rxf3 Qe5 $11) 39... Ke7 {Hoping for ...f2+.} 40. Rxf3 Qe6 41. Nd5+ Kd7 {[#]} 42. Qb8 $1 {[%cal Rb8c7]} Na6 $2 (42... Rxf3 43. Qxc7+ Ke8 44. gxf3 h5) 43. Rxf7+ {White is clearly winning.} Qxf7 44. Qb7 Nc5 45. Qxc7+ Ke6 {intending ...Qxc7.} 46. Nf4+ Kf6 47. Qxd6+ Kg7 48. Qxb6 {Precision: White = 76%, Black = 49%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Karthikeyan, Murali"]
[Black "Saravana, Krishnan P."]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2617"]
[BlackElo "2360"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,14,20,0,0,-12,-12,-18,0,-31,-33,-28,-4,-45,-11,-2,-2,-23,12,11,10,-62,0,-30,53,62,79,66,64,79,121,117,112,101,142,117,111,104,228,227,280,189,306,300,304,291,295,299,266,281,592,582,511,449,440,420,437,363,806,775,709,773,2737,1036,933,756,739,342,955,413,398,392,386,369,636,640]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 Bd7 9. Nxc7+ Qxc7 10. Bd3 {C18: Französische Verteidigung (Nimzowitsch-Variante)} (10. Nf3 Ba4 11. Ra2 Ne7 12. Nxd4 a6 13. Be3 Nbc6 14. Bd3 Nxd4 15. Bxd4 Bb5 16. O-O Nf5 17. Bf2 h5 {0-1 (46) Anand,V (2776)-Mamedyarov,S (2809) Moscow 2018}) 10... Ne7 {LiveBook: 15 Partien} 11. Bd2 Ba4 12. Qg4 $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 12. Nf3 Qb6 13. O-O O-O 14. Bxh7+ Kxh7 15. Ng5+ Kg6 16. Qg4 Nf5 17. Nxe6+ Kh7 18. Nxf8+ {1-0 (25) Roos,B (2020)-Koenigsberger,C (2180) Remote email 2014}) 12... g6 13. Nf3 Nf5 14. Qg5 h6 15. Qf6 Rh7 {Und ...Sd7 würde nun gewinnen.} 16. Bxf5 $1 Nd7 17. Qh4 {Und weiter mit Ld3 wäre nett.} gxf5 18. O-O Qd8 (18... Qxc2 $6 19. Rac1 $16) 19. Qh5 Qb6 20. Rf2 ({Besser ist} 20. Be1 $11) 20... O-O-O (20... Bxc2 21. Ng5 $1 $16 {[%mdl 512]}) (20... Nf8 $15) 21. Rc1 (21. Ng5 $5 {[%cal Rg5h7]} Rg7 22. Nxf7 $11) 21... f6 (21... Rdh8 $11) 22. c4 $1 $14 {[%cal Rc4d5]} dxc4 23. Rxc4+ Kb8 $1 24. Rxd4 fxe5 25. fxe5 Nf8 26. Be3 {[%cal Bd2e3,Be3d4,Bd4c5,Bc5d6][%mdl 32]} Rxd4 27. Bxd4 Qd8 28. Bc5 Bc6 (28... Be8 $16 {war einen Versuch wert.} 29. Rd2 Nd7) 29. Rd2 $18 Bd5 30. Nd4 $40 {[%mdl 128] Weiss hat starken Angriff.} Nd7 {[#]} (30... a6 {ist wohl besser.} 31. Nxe6 Nxe6 32. Bd6+ (32. Qxf5 Rd7 $11) 32... Ka8 33. Rxd5 Nf4 34. Qxf5 Qg8 35. Qxf4 (35. Rd2 Rf7 $11) 35... Qxd5) 31. Bd6+ $1 ({Minderwertig wäre} 31. Qg6 Nxc5 32. Qxh7 Qg5 $11) 31... Ka8 32. Qg6 Rh8 33. Nxe6 Qb6+ 34. Kh1 Rc8 $2 {[#]} (34... Bxe6 35. Qxe6 Qc6) 35. Rc2 $1 {[%cal Rc2c8][%mdl 512]} Bc6 (35... Rxc2 36. Qg8+) 36. Qxh6 a6 37. Qd2 Qb5 {[%cal Rb5f1]} 38. Kg1 Qa4 $2 (38... Qb6+ 39. Qf2 Qxf2+ 40. Kxf2 Rg8) 39. Nc7+ Ka7 40. e6 Nb8 41. e7 (41. Nd5 $142 Qb3 42. Qd4+ b6 43. Bxb8+ Kxb8 44. Qxb6+ Ka8 45. Qc5) 41... b6 {[#]} 42. b5 $1 Bd7 (42... axb5 43. Ne6) 43. bxa6 (43. Rc1 $142) 43... Qe4 $2 {[#]} (43... Nxa6 44. h4 Nxc7) 44. e8=Q (44. Nb5+ $142 $1 {[%mdl 512]} Bxb5 45. Rxc8 Nxa6 46. h3) 44... Bxe8 45. Nb5+ Bxb5 46. Rxc8 Nxa6 $2 (46... Nc6 47. h3 Kxa6 48. Ra8+ Kb7) 47. Rc1 {Precision: Weiß = 56%, Schwarz = 33%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Sandipan, Chanda"]
[Black "Laxman, R.R."]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2573"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,84,32,30,40,39,36,42,58,0,77,45,42,44,41,40,47,47,75,48,87,87,89,90,86,66,72,62,72,66,98,91,95,104,100,91,128,107,94,121,114,76,80,43,43,11,14,14,32,13,20,12,20,20,20,11,221,199,207,189,266,205,1766,1546,2046,1842,29988]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 O-O 6. Nf3 b6 7. cxd5 exd5 8. Rc1 {E51: Nimzoindisch (Moderne Variante)} (8. Bd3 Bb7 9. O-O Nbd7 10. Ne5 Bd6 11. f4 c5 12. Be1 cxd4 13. exd4 Ne4 14. Nb5 Be7 15. Rc1 a6 16. Rc7 Nxe5 17. fxe5 Bc8 {0-1 (43) Esipenko,A (2564)-Yu,Y (2751) Riadh 2017}) 8... Bb7 9. Bd3 a6 10. O-O Nbd7 11. Ne5 {LiveBook: 27 Partien} Nxe5 12. dxe5 Bxc3 13. Bxc3 Ne4 {[#]} 14. b4 $146 ({Besser ist} 14. Be1 $14) ({Vorgänger:} 14. f4 Nxc3 15. bxc3 Qe7 16. Rf3 g6 17. Rg3 Kh8 18. Qd2 {½-½ (51) Epishin,V (2572)-Mikhailov,V (2343) St Petersburg 2013}) 14... c5 (14... Nxc3 $11 15. Rxc3 c6) 15. Bxe4 dxe4 16. bxc5 {Dxd8 ist eine echte Drohung.} bxc5 17. Qd6 Bd5 18. Ba5 Qxa5 19. Qxd5 Rac8 20. e6 fxe6 21. Qxe6+ Kh8 22. Qxe4 (22. Rc2 {with more complications.} Rfe8 23. Qc4 Qb6 24. h3 Re5 25. Rd1) 22... Qxa2 23. Qc4 Qxc4 24. Rxc4 $14 {[%mdl 4096] Endspiel KTT-KTT} Rfd8 25. Rfc1 Rc6 26. f4 {[%cal Bf2f4,Bf4f5][%mdl 32]} Rdc8 27. Kf2 Kg8 28. Kf3 Kf7 29. e4 Ke6 30. Rd1 Rd6 31. f5+ (31. Rb1 {feels hotter.} Rc7 32. e5 Rd3+ 33. Ke4 Rd2 34. Rb6+) 31... Ke5 32. Rxd6 (32. Rdc1 {is more complex.} Rd3+ 33. Kg4 Rd4 34. Rxc5+ Rxc5 35. Rxc5+ Kd6 36. Ra5) 32... Kxd6 {KT-KT} 33. Kf4 a5 34. g4 Ra8 35. Ra4 c4 36. Rxc4 a4 37. e5+ {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} Kd5 $2 {[#]} (37... Ke7 $1 $11) 38. Rc1 $1 $18 {[%cal Rc1d1]} a3 {Droht ...Ta4+ und aus.} 39. Rd1+ Kc5 (39... Kc6 {war nötig.}) 40. e6 Ra4+ $2 (40... a2 41. e7 Re8) 41. Ke5 a2 42. e7 Rd4 {[%mdl 32768] Precision: Weiß = 68%, Schwarz = 48%. . Loss on Time!?} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Sengupta, Deep"]
[Black "Rahman, Ziaur"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2563"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,105,44,39,48,7,24,18,22,6,22,15,16,8,17,0,20,19,20,8,21,12,44,47,15,10,12,25,19,3,0,1,20,-8,-8,-8,-12,-21,0,-41,-41,-48,99,94,119,32,36,31,28,12,22,7,59,58,47,46,74,62,129,132,127,73,68,79,79,65,97,88,129,108,119,123,139,142,158,158,170,159,226,191,416,401,401,400,391,391,470,470,471,456]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O c6 7. a4 Qc7 8. Be3 e5 {B08: Pirc Defence: Classical System} 9. dxe5 dxe5 10. h3 {LiveBook: 47 Games} Qe7 {White is slightly better.} 11. Nd2 Rd8 12. Qc1 b6 $146 ({Predecessor:} 12... Nbd7 13. Nb3 b6 14. Rd1 Ne8 15. a5 b5 16. Na2 Nef6 17. c4 b4 {1-0 (53) Schroeder,J (2367)-Narciso Dublan,M (2515) Barcelona 2014}) 13. Rd1 Na6 14. Nb3 Rxd1+ 15. Qxd1 Bb7 16. Bf3 Nd7 17. a5 b5 18. Qd2 Nf8 19. Rd1 Bf6 20. Na2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 21. Nc3 c4 $1 {[%cal Rc4b3]} 22. Nc1 {[%cal Bb3c1,Bc1a2,Ba2b4,Bb4a6][%mdl 32]} ({Much weaker is} 22. Nd5 Bxd5 23. Qxd5 Nc7 $15) 22... Nc7 $1 23. N1a2 a6 24. Bb6 Re8 25. Qd6 Na8 $1 26. Bc5 Qxd6 27. Bxd6 ({Don't play} 27. Rxd6 Be7 $17) 27... Bd8 28. Nb4 Bxa5 29. Ncd5 {Hoping for Nf6+.} Kg7 {[#]} (29... Bd8 $15 {keeps the upper hand.}) 30. Nxa6 $1 $16 Nd7 31. Nab4 ({White should play} 31. Bg4 $16 Nf8 32. Nc5 Bxd5 33. exd5) 31... Re6 $1 $14 {[%cal Re6d6]} 32. Nc3 Nf6 {...Rxd6! is the strong threat.} 33. Bc5 Nc7 34. Ra1 Bxb4 ({Better is} 34... Bb6 $11 35. Bxb6 Rxb6) 35. Bxb4 Na6 36. Ba5 $36 {[%mdl 2048] White is more active.} b4 37. Nd5 b3 (37... Nxd5 $14 38. exd5 Rd6) 38. cxb3 $16 cxb3 {[#]} 39. Nxf6 (39. Bc3 $142 $1) 39... Kxf6 40. Bd8+ Kg7 41. Ra5 Re8 42. Bg5 Nc7 43. Bd2 Ba6 44. Rc5 Ne6 45. Rxe5 Rc8 46. Rd5 Kg8 47. Rd6 Rc2 (47... Bc4 $16 48. Be3 h5) 48. Bc3 Rxc3 $2 (48... Be2 49. Rb6 Kf8 50. Rxb3 Bxf3) 49. bxc3 $18 Nc5 50. Bd1 Bc4 51. Rb6 Kg7 52. f3 Na4 53. Rb4 {Precision: White = 67%, Black = 35%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Vishnu Prasanna. V"]
[Black "Rajdeep Sarkar"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2532"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,43,44,87,38,47,30,39,42,32,20,20,25,15,21,26,42,52,34,37,31,31,18,22,-44,62,-30,1573,-16]} 1. g3 d5 2. Nf3 Nf6 3. Bg2 c5 4. c4 e6 5. O-O Nc6 6. cxd5 Nxd5 7. d4 Be7 8. dxc5 Bxc5 9. Qc2 Bb6 {LiveBook: 6 Partien. E06: Katalanisch} (9... Qe7 10. Nc3 Nxc3 11. Qxc3 O-O 12. Bf4 f6 13. Rac1 Bb6 14. Be3 Bxe3 15. Qxe3 e5 16. Nd2 Nd4 17. Nb3 Nxb3 18. Qxb3+ Be6 19. Qa4 Rfd8 {½-½ (47) Ponomariov,R (2699)-Lu,S (2638) Danzhou 2017}) 10. Nc3 Nxc3 $146 ({Vorgänger:} 10... Qe7 11. Nxd5 exd5 12. b3 O-O 13. Bb2 Bg4 14. e3 Rad8 15. Rfe1 Rfe8 16. h3 Bh5 17. Bc3 {0-1 (62) Calotescu,A (2334)-Schlosser,P (2534) Cappelle-la-Grande 2003}) 11. bxc3 {zielt auf La3 ab.} Qe7 {Weiß hat minimalen Vorteil.} 12. a4 O-O 13. Ba3 Bc5 14. Bxc5 Qxc5 15. Rfb1 a6 16. Nd2 Rb8 17. c4 $36 {[%mdl 2048] Weiss hat Initiative.} b5 18. axb5 axb5 19. Nb3 Qxc4 20. Qa2 (20. Qb2 $11 Ne7 21. Qe5) 20... Ne7 (20... Nd4 $1 $15 21. Nxd4 Qxd4) 21. Na5 ({Lieber} 21. Qa7 $14 Nc6 22. Qe3 (22. Bxc6 Qxc6 23. f3 Qd6 $15)) 21... Qc2 $2 {[%mdl 8192] [#]} (21... Qxa2 $11 22. Rxa2 Rd8) 22. Rd1 $2 {Precision: Weiß = 36%, Schwarz = 42%.} (22. Qxc2 $18 Nd5 23. Nc6) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Burmakin, Vladimir"]
[Black "Gukesh D"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2528"]
[BlackElo "2426"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,47,-15,-19,-12,-8,-2,-4,0,0,0,0,-8,0,0,0,0,0,0,0,0,8,0,0,0,0,0,478,35,35,-529,612,612]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. c4 c6 5. b3 Bg7 6. Bb2 O-O 7. O-O Bg4 8. h3 Bxf3 {A11: English Opening: 1...c6} 9. Bxf3 d4 {LiveBook: 4 Games} (9... e6 10. Qc2 Nbd7 11. d3 Re8 12. e3 a5 13. Nc3 Nb6 14. Rac1 a4 15. Nxa4 Nxa4 16. bxa4 dxc4 17. Qxc4 {1-0 (60) Jones,G (2654)-Martirosyan,H (2516) Minsk 2017}) 10. e3 $146 ({Predecessor:} 10. d3 a5 11. a3 Na6 12. Nd2 e5 13. b4 Qd7 14. Bg2 axb4 15. axb4 Nxb4 16. Ba3 {½-½ (31) Alonso Rosell,A (2552)-Rizouk,A (2531) Catalunya 2013}) 10... e5 {The position is equal.} 11. exd4 exd4 12. d3 a5 13. Bg2 Nfd7 14. Re1 Na6 15. Nd2 Ne5 16. Nf3 $36 {[%mdl 2048] Black is under pressure.} Nxf3+ 17. Qxf3 Qc7 18. Ba3 Nb4 19. Re2 Rfe8 20. Rae1 Rxe2 21. Qxe2 a4 $2 {[%mdl 8192] [#]} (21... Bf8 $11 {and Black stays safe.}) 22. bxa4 $2 (22. Bxb4 $18 axb3 23. axb3) 22... Bf8 $14 23. Qb2 $2 {[%mdl 8192]} (23. Qd2 $14 {keeps the upper hand.} Nc2 24. Qxc2 Bxa3 25. Bf3) 23... Bc5 $4 {[%mdl 8192]} (23... Nxd3 $19 24. Qa1 Nxe1 25. Bxf8 Nxg2) 24. Bxb4 {Precision: White = 32%, Black = 63%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Narayanan, Srinath"]
[Black "Amonatov, Farrukh"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2525"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,60,-2,-7,0,-10,6,-2,8,-23,6,0,0,0,27,0,0,0,13,10,16,0,0,0,0,0,0,-8,0,-27,-24,-31,-25,-27,-14,-15,-13,-15,-31,-30,-15,-15,-15,-15,-15]} 1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bc4 Bg7 6. O-O e6 7. d4 {B23: Closed Sicilian: Lines without g3} cxd4 8. Nb5 Nge7 9. Bb3 O-O 10. Nbxd4 {LiveBook: 4 Games} Na5 (10... Nxd4 11. Nxd4 a6 12. c3 b5 13. Be3 Qc7 14. Qd2 e5 15. fxe5 dxe5 {½-½ (50) Grischuk,A (2767)-Nepomniachtchi,I (2751) Moscow 2018}) 11. Be3 a6 12. c4 b6 13. Qd2 Qc7 14. Rac1 Nxb3 15. axb3 {[#]} Bd7 $146 16. Qf2 Qb7 17. e5 d5 18. Rfd1 Rac8 19. Qh4 Rfe8 20. Ng5 h6 21. Ngf3 dxc4 22. bxc4 Nf5 23. Qf2 Nxe3 24. Qxe3 Red8 25. Nd2 Bc6 26. Nxc6 Qxc6 27. b3 Bf8 {[#] Strongly threatening ...Bc5.} 28. Ne4 Bc5 29. Nxc5 bxc5 30. h3 Qb6 {Precision: White = 57%, Black = 54%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Shyam, Sundar M."]
[Black "Srijit Paul"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2518"]
[BlackElo "2347"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,12,25,8,16,10,15,22,43,39,38,31,35,33,60,28,54,39,67,57,65,63,66,72,70,65,90,65,78,66,102,103,95,108,111,81,102,122,119,66,83,70,137,138,123,130,116,130,129,127,182,187,187,185,177,191,235,254,278,298,279,306,317,302,303,306,299,292,336,337,333,350,345,343,453,403,383,288,262,180,398,390,350,350,646,637,29980,29981]} 1. Nf3 f5 2. d3 Nc6 (2... d6 3. e4 e5 4. Nc3 Be7 5. d4 fxe4 6. Nxe4 d5 7. Neg5 exd4 8. Bd3 Qd6 9. Nxd4 c5 10. Nb5 Qe5+ 11. Be3 Na6 12. O-O {1-0 (36) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 3. d4 e6 4. g3 Nf6 5. Bg2 g6 6. O-O $146 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} ({Predecessor:} 6. c4 d6 7. d5 exd5 8. cxd5 Ne5 9. b3 Nxf3+ 10. Bxf3 Nxd5 {1-0 (41) Kantor,G (2518)-Hoang,T (2436) Budapest 2018}) 6... Bg7 7. c4 O-O 8. d5 {The position is equal.} Ne7 {[%cal Re6d5]} 9. dxe6 dxe6 10. Nc3 Qxd1 11. Rxd1 Nc6 12. Be3 a6 13. Rac1 h6 14. Nh4 {[%cal Bf3h4,Bh4g6,Bg6e5,Be5d3,Bd3c5][%mdl 32]} g5 15. Ng6 Re8 $1 16. Bxc6 bxc6 17. Ne5 Bb7 18. f4 $36 {[%mdl 2048] White has some pressure.} gxf4 19. Bxf4 Red8 20. Nd3 Ng4 {And now ...Bd4+ would win.} 21. Nc5 e5 22. Nxb7 Rdb8 23. Bd2 $1 {aiming for Na5.} Rxb7 24. h3 ({White should play} 24. b3 $16) 24... Nf6 $14 25. b3 Rbb8 {[#]} (25... Kh7 $14) 26. Rf1 $1 $16 Nh5 27. Rxf5 Nxg3 28. Rf3 Nh5 29. Ne4 a5 {[#]} (29... Rf8 $16) 30. e3 $1 $18 Rf8 31. Rcf1 {Strongly threatening Rf5.} Rxf3 32. Rxf3 {Threatens to win with Rf5.} Kh7 33. Rf7 a4 34. Rxc7 axb3 35. axb3 Ra6 36. Kf2 Kg6 37. Nc5 Ra2 38. Rxc6+ Kf7 39. Ke1 Ng3 40. Ra6 Rb2 41. Kd1 Nf1 42. Ne4 Rxb3 43. Ke2 Nxd2 44. Nxd2 Rc3 $2 (44... Rb8 {was necessary.} 45. Ra7+ Kg6) 45. Ne4 Rc1 46. Kd2 Rh1 $2 (46... Rb1 47. c5 Bf8) 47. c5 {[%cal Bc4c5,Bc5c6][%mdl 32]} Rxh3 48. c6 {Precision: White = 86%, Black = 44%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Neverov, Valeriy"]
[Black "Vaishali R"]
[Result "1-0"]
[WhiteElo "2496"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "27"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,11,0,14,-9]} 1. Nf3 Nf6 2. c4 e6 3. g3 a6 4. e3 c5 5. b3 Be7 6. Bb2 {[%mdl 32768] Loss on Time!? A13: Reti-Eröffnung} {Vorgänger:} Nc6 $146 7. Bg2 b5 8. O-O Rb8 9. d3 O-O 10. Qe2 Bb7 11. Rd1 Ba8 12. Nbd2 d6 13. Rac1 Nd7 14. Ne4 {½-½ (14) Erdos,V (2615)-Grigoriants,S (2603) Hungary 2015} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Erigaisi Arjun"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2488"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,28,8,16,4,19,14,21,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 h6 5. Bh4 Qb6 6. Nc3 {[%cal Bb1c3,Bc3d5,Bd5c7][%mdl 32] D10: Damengambit (Slawische Verteidigung)} Qxb2 {LiveBook: 3 Partien. Die Stellung ist ausgeglichen.} 7. Nxd5 {[#] Und Tb1 würde nun gewinnen.} e6 $1 {[%cal Re6d5]} 8. Rb1 ({Nicht} 8. Nc7+ $2 Kd7 $19) 8... Qa3 $1 9. Nc7+ $146 ({Vorgänger:} 9. Qc2 Qa5+ 10. Kd1 Na6 11. e4 Bd7 12. Bxa6 {½-½ (19) Mikhalevski,V (2547)-Laznicka,V (2654) Antalya 2017}) 9... Kd7 10. Nxa8 Bb4+ 11. Rxb4 $1 Qxb4+ 12. Qd2 Qb1+ 13. Qd1 Qb4+ 14. Qd2 Qb1+ 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Harsha Bharathakoti"]
[Black "Lalith Babu M R"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2463"]
[BlackElo "2531"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,66,73,81,87,70,70,79,65,73,68,80,79,79,80,85,83,79,76,85,212,206,221,68,60,49,44,37,53,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. c4 Bg7 3. Nf3 d6 4. g3 Nf6 5. Bg2 O-O 6. Nc3 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Re8 10. h3 Nc5 11. Re1 a5 12. Qc2 Bd7 13. Be3 Qc8 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} 14. Kh2 {LiveBook: 6 Games} Ne6 (14... h5 15. Rad1 h4 16. g4 Nh7 17. Qd2 Be6 18. b3 g5 19. Nf3 a4 20. b4 Nd7 21. Nxg5 {0-1 (52) Dehlinger,A (2257)-Naiditsch,A (2706) Deizisau 2013}) 15. Rad1 Nxd4 {White is slightly better.} 16. Bxd4 Bc6 17. Nd5 Bxd5 18. cxd5 Nd7 19. Bxg7 Kxg7 20. Qc3+ Kg8 21. f4 Re7 $146 22. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Qe8 (22... Nc5 $16 {keeps fighting.}) 23. e6 $1 $18 {[%cal Re6d7]} ({Weaker is} 23. Qxc7 Nxe5 24. Qc3 Nd7 $11) 23... Nc5 {[%cal Rf7e6] [#]} 24. h4 $2 ({Only move:} 24. g4 $1 $18) 24... Qf8 $14 25. Bh3 Qg7 26. exf7+ Rxf7 27. Qxg7+ (27. Qd2 $14) 27... Kxg7 $11 {The position is equal.} 28. Re2 h6 {[%cal Bh7h6,Bh6h5][%mdl 32]} 29. Bg4 h5 30. Bh3 Kf8 31. Kg2 Re8 32. Rxe8+ Kxe8 33. Kf3 Kf8 {Precision: White = 71%, Black = 67%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Neelotpal, Das"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[ECO "B85"]
[WhiteElo "2452"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 42,148,114,97,61,51,131,90,256,230,472,422,905,902,870,939,1189,721,794,22,32,32,34,0,0,-29,-29,-29,-27,-29,-25,-26,-29,-27,-25,-26,-25,-22,-22,-151,-150,-145,-157,-131,-86,-86,-79,-87,-74,-106,-107,-120,-116,-138,-97,-97,-97,-181,-112,-190,-182,-161,-74,-74,-75,-75,-75,-83,-92,-113,-101,-607,-621,-621,-621,-614,-614,-614,-614,-614,-614,-2504,-614,-614,-614,-614,-614,-614,-212,-614,-614,-299,-125,-614,-606,-599,-599,-1390,-1237,-29966,-29956,-29978,-29979,-29979,-29980,-29981,-29982,-29986,-29987]} 1. e4 c5 2. Nc3 a6 3. Nge2 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e6 7. O-O Be7 8. f4 O-O 9. Kh1 Nc6 10. Be3 Qc7 11. a4 Bd7 12. Nb3 b6 13. Bf3 Bc8 14. g4 Bb7 15. g5 Nd7 16. Bg2 Rfe8 17. Rf3 Bf8 {B85: Sicilian Scheveningen: 6 Be2 a6, lines with early Be3} 18. Rh3 g6 19. Qd2 (19. Qe1 Nb4 20. Qf2 Nc5 21. Rf1 d5 22. Bd4 h5 23. gxh6 Kh7 24. Bg7 Bd6 25. e5 {1-0 (62) Ganguly,S (2668)-Pichot,A (2544) Doha 2016}) 19... Rac8 20. Rf1 Nb4 21. Qf2 Bg7 22. Bd4 {LiveBook: 4 Games} Bxd4 23. Nxd4 Nf8 ({Better is} 23... Qd8 $14) 24. Nd1 {[%cal Bc3d1,Bd1e3,Be3g4,Bg4h6][%mdl 32]} e5 $146 (24... Nc6 $16 {was worth a try.}) ({Predecessor:} 24... Nc6 25. Nxc6 Bxc6 {1-0 (43) Alsina Leal,D (2529)-Das,A (2392) Zuerich 2009}) 25. fxe5 $1 $18 dxe5 $2 (25... Rxe5 26. c3 Nc6) 26. Ne3 $1 exd4 (26... Ne6 $142 27. Nxe6 Rxe6) 27. Ng4 f5 28. gxf6 {White wants to mate with f7+.} Kf7 29. Nh6+ Ke6 {[#]} 30. Rc3 $2 (30. Rd3 $1 $18 {[%mdl 512]} Bxe4 (30... Nxd3 31. Bh3+) 31. Re1 (31. Bxe4 Nxd3 32. Bxd3 Qb7+ 33. Kg1 Rc5 $16)) 30... dxc3 $11 31. Qd4 {[%cal Rg2h3] [#]} Nd5 $1 32. exd5+ Kd7 33. Nf7 Re2 $1 {White must now prevent ...Ke8.} 34. Qg4+ Ke8 35. Qxe2+ Kxf7 36. Qe7+ $1 Qxe7 37. fxe7+ Kxe7 {[#]} 38. d6+ $1 {[%mdl 512]} Kxd6 39. Bxb7 {[%mdl 4096] Endgame KRB-KRN} Rc7 40. Bxa6 (40. Rd1+ $1 $11 Ke5 41. Re1+ Kd6 42. Bxa6) 40... cxb2 $17 41. Bd3 {[#]} b5 $1 {[%cal Rb5a4][%mdl 512]} 42. a5 (42. axb5 Ra7) 42... Ra7 43. Rb1 Rxa5 44. Rxb2 Kc5 $1 45. Rb1 Ne6 46. Rf1 Ra7 47. Rf6 Re7 48. h4 b4 49. h5 (49. Kg1 $17) 49... g5 (49... gxh5 $19 50. Rh6 Nf4) 50. h6 (50. Rh6 $17 {might work better.}) 50... Nf4 $19 51. Bf5 Nh5 (51... Kd4 $19 {and Black stays clearly on top. Threatens to win with ...Ke5.} 52. Rc6 Nd5) 52. Rf8 $17 Ng3+ 53. Kg2 Nxf5 54. Rxf5+ {KR-KR} Kd4 55. Rxg5 Re6 56. Rb5 $2 {[%mdl 8192]} (56. Rh5 $17) 56... Kc4 $1 $19 {[%cal Rc4b5]} 57. Rb7 Rxh6 58. Kf3 Rc6 59. Ke2 Kc3 60. Kd1 h5 $1 61. Rb5 Rh6 (61... Rg6 $142 62. Rc5+ Kb2) 62. Rd5 h4 {And now ...h3 would win.} 63. Rd3+ Kc4 {Hoping for ...h3.} 64. Rh3 {[#]} Rd6+ $1 65. Kc1 $2 (65. Ke1) 65... Rd4 66. Kb2 Rf4 (66... Rg4 $19 {is more deadly. aiming for ...Kd4.} 67. Re3 Kd4) 67. Kc1 $2 {[%mdl 8192]} (67. Rd3 $17) 67... Kd4 68. Kd2 Ke4 69. Ke2 Kf5 70. Rb3 Kg4 {Black mates.} 71. c3 bxc3 72. Rxc3 h3 {[%cal Bh4h3,Bh3h2][%mdl 32]} 73. Rc8 h2 74. Rh8 {[#]} Kg3 $1 {Precision: White = 37%, Black = 56%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Sundararajan, Kidambi"]
[Black "Nandhidhaa, PV."]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2434"]
[BlackElo "2271"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,32,30,-2,53,43,68,82,79,43,46,35,42,62,71,76,69,0,7,0,0,0,6,7,18,26,16,17,25,33,20,20,103,93,67,87,66,71,85,14,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,28,22,22,32,33,43,41,6,6,0,0,0,29969,29966,29965,271,271,271,271,271,271,271,271,271,271,271,271,271,271,214,271,271,271,271,271,271,271,271,271,271,271,197,315,315,315,315,315,315,315,315,315,315,315,315,29985,29986]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6 7. cxd5 exd5 8. Nc3 Be7 9. Nd4 {A11: Reti-Eröffnung} Bh7 10. e4 O-O 11. Re1 Na6 {LiveBook: 6 Partien} 12. a3 (12. e5 Nd7 13. Bh3 Kh8 14. a3 Nac5 15. Bf5 a5 16. Bxh7 Kxh7 {1-0 (41) Karthikeyan,M (2578)-Deepan Chakkravarthy,J (2477) Patna 2017}) 12... Nc7 $146 (12... Bc5 $11 13. Be3 Bb6) ({Vorgänger:} 12... Re8 13. exd5 Nxd5 14. Nxd5 cxd5 15. b4 Qd7 16. Bb2 Bf6 {½-½ (25) Kevicky,M (2354)-Shaw,S (2398) ICCF email 2010}) 13. Bf4 $14 c5 14. Bxc7 Qxc7 15. Ndb5 (15. e5 $5 {[%cal Re5f6]} cxd4 16. exf6 Bxf6 17. Nxd5 $16) 15... Qd7 16. e5 d4 $1 17. exf6 Bxf6 18. Nd5 Qxb5 19. Nxf6+ (19. Nc7 $1 $14 Qxd3 20. Nxa8 Rxa8 21. Qxd3 Bxd3 22. Rac1) 19... gxf6 $11 20. Qg4+ Bg6 21. Be4 h5 22. Qf3 $36 {[%mdl 2048] Weiss kämpft um Vorteil.} Kg7 ({Falsch wäre} 22... Qxb2 $2 23. Bxg6 fxg6 24. Qe4 $18) 23. Bxg6 fxg6 24. Re7+ Rf7 25. Rxf7+ Kxf7 {[%mdl 4096] Endspiel KDT-KDT} 26. Qd5+ Kg7 (26... Kf8 $1 $11 {bleibt in der Remisbreite.}) 27. Re1 $16 {Te7+ ist eine echte Drohung.} Re8 ({Jedoch nicht} 27... Qxb2 $2 28. Re7+ Kh8 29. Qf7 $18) 28. Rxe8 Qxe8 29. Qxc5 $14 {KD-KD} Qa4 30. Kg2 ({Lieber} 30. Qc7+ $16 Kh6 31. Qd8) 30... Qd7 $11 31. h3 b6 32. Qc4 g5 33. b4 b5 34. Qc5 Kg6 35. Kh2 Kg7 36. Kg2 Kg6 37. Kh2 Kg7 38. h4 gxh4 39. Qxh5 hxg3+ 40. Kxg3 Qd6+ 41. Kh3 Qe6+ 42. Qg4+ (42. Kh4 {is more complex.} Qd6 43. Qf3 Kf7 44. Kg4 a6 45. Qb7+) 42... Kf7 43. Qxe6+ Kxe6 {KB-KB} 44. Kg3 Ke5 $2 {[%mdl 8192] [#]} (44... Kf5 $11) 45. Kg4 $1 a6 46. Kg3 $2 (46. f3 {setzt Matt} Ke6 47. Kf4 Ke7 48. Kf5 Kf7 49. Ke4 Kg6 50. Kxd4 Kf5 51. Kc5) 46... f5 $18 47. Kf3 Ke6 48. Kf4 {Droht stark Kg5.} Kf6 49. f3 Kg6 50. Ke5 Kg5 51. Kxd4 Kf4 {[#]} 52. Kc5 $1 {Droht d4 und aus.} Kxf3 {K3B-K3B} 53. d4 Ke4 54. d5 f4 55. d6 {Schwarz muss nun d7 beachten.} f3 56. d7 f2 57. d8=Q f1=Q {KD-KD} 58. Qd4+ Kf5 {beabsichtigt ...Dc1+.} 59. Qd5+ Kf6 (59... Kg4 $142) 60. Kb6 Qh3 61. Qd6+ ({Viel schwächer ist} 61. Kxa6 Qxa3+ 62. Kxb5 Kg6 $18) 61... Kf7 62. Kxa6 Qxa3+ 63. Kxb5 Ke8 64. Kb6 {zielt auf Db8+ ab.} Qe3+ 65. Qc5 Qf4 $2 (65... Qb3 $18 66. Qc6+ Kd8 67. Qf6+ Kd7 68. Qd4+ Kc8 69. Qc5+ Kd8 70. Qd6+ Ke8) 66. Qc8+ {Precision: Weiß = 74%, Schwarz = 62%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Nitin, S.."]
[Black "Patil, Pratik"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2432"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,95,27,30,28,35,54,46,54,49,35,30,40,28,66,31,50,21,30,16,20,0,0,0,10,0,0,0,0,0,0,0,53,53,54,50,54,46,72,74,73,67,79,87,92,90,90,90,86,84,87,83,100,100,110,100,195,191,210,211,179,150,527,638,621,676,668,639,654,647,624,426,1642,1575,1589,1581,2010,2000,2107,2078]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 d6 7. Bg5 Bxc3 8. bxc3 Ne7 9. Nh4 Ne8 {C49: Vierspringerspiel (Symmetrische Variante)} 10. Bc4 {LiveBook: 6 Partien} Be6 11. Bb3 $146 ({Vorgänger:} 11. Bxe6 fxe6 12. Qg4 Qd7 13. f4 exf4 14. Rxf4 Rxf4 15. Qxf4 Nf6 16. Bxf6 Rf8 17. Qe3 Rxf6 18. Qxa7 {½-½ (31) Wei,Y (2727)-Zeng,C (2536) China 2017}) 11... Bxb3 {Weiß steht etwas besser.} 12. axb3 f6 13. Bd2 d5 14. exd5 Qxd5 15. c4 Qd4 16. Nf3 Qd7 17. b4 Nd6 18. Qe2 a6 19. c5 Ndf5 20. Qe4 c6 21. Rfe1 Rad8 22. Rad1 Rfe8 23. Bc3 Qd5 24. Bb2 Qxe4 ({Besser ist} 24... Qd7 $11) 25. dxe4 $14 Nh6 26. Nd2 Nf7 27. Nc4 Nc8 28. g3 Kf8 29. Kg2 Rxd1 30. Rxd1 Re7 31. Kf3 Ke8 32. Ke3 Rd7 33. Rf1 Na7 34. f4 exf4+ 35. gxf4 Ke7 36. Rg1 g6 (36... Kf8 $16) 37. h4 $18 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nb5 38. h5 g5 39. Rf1 $36 {[%mdl 2048] Schwarz steht unter starkem Druck.} Nc7 $2 {[#]} (39... gxf4+ $16 40. Rxf4 Rd1 41. Bxf6+ Ke6) 40. fxg5 $1 {Weiß steht klar auf Gewinn.} fxg5 41. Nb6 Rd8 42. Bf6+ Ke8 43. Bxd8 Nxd8 44. Nc4 Nf7 (44... Ke7 $142 45. Rf5 Nce6) 45. Nd6+ Nxd6 46. cxd6 Ne6 47. Rf6 Kd7 48. e5 {Precision: Weiß = 69%, Schwarz = 46%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Ravi, Teja S."]
[Black "Swapnil, S. Dhopade"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2338"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,67,0,0,0,0,-4,-3,-12,-9,-11,-11,-13,0,-16,-20,-25,0,-40,-29,-35,-28,-37,0,-11,10,-30,0,-20,-20,-20,-17,-37,-27,-43,-36,-37,-18,-32,-22,-46,-34,-41,-27,-35,-31,-39,0,-18,-14,-31,-28,-27]} 1. d4 Nf6 2. Bf4 d5 3. e3 e6 4. Nf3 c5 5. c3 Bd6 6. Bb5+ Nc6 7. Bxd6 Qxd6 8. Nbd2 O-O 9. O-O b6 {LiveBook: 3 Games. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} 10. a4 $1 Bb7 11. Bxc6 Bxc6 {The position is equal.} 12. Ne5 Nd7 13. Nxc6 Qxc6 14. Nf3 $146 ({Predecessor:} 14. a5 Rfb8 15. axb6 Rxb6 16. Qc2 cxd4 17. exd4 {0-1 (29) Coste,R (1875)-Inkiov,V (2446) Saint Affrique 2008}) 14... Rfe8 15. a5 c4 16. Ne1 Reb8 17. axb6 Rxb6 18. Ra2 Qb7 19. Qa1 Nb8 {[%cal Bd7b8,Bb8c6,Bc6e7,Be7c8,Bc8d6,Bd6e4][%mdl 32]} 20. Nf3 {[%cal Be1f3,Bf3e5,Be5g4,Bg4h2,Bh2f1][%mdl 32]} Nc6 21. Rc1 (21. e4 $5) 21... a5 22. Rc2 Rb5 23. h3 Ne7 24. Qe1 Nc8 25. Ne5 f6 26. Ng4 h5 27. Nh2 Nd6 28. Qd1 Qf7 29. Nf1 Rab8 30. Re2 Qg6 31. Qa1 Ne4 32. Qb1 {[#] Threatens to win with f3.} Qf7 33. Qc1 h4 34. f3 {[%mdl 32768] Precision: White = 42%, Black = 50%. . Loss on Time!?} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Kunal, M.."]
[Black "Nguyen, Van Huy"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2295"]
[BlackElo "2462"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,19,24,17,43,29,43,22,35,17,6,0,0,8,17,-34,-28,-39,0,-34,-28,-97,-112,-104,-118,-140,-131,-123,-122,-124,-130,-124,-133,-125,-110,-187,-177,-171,-185,-186,-166,-273,-162,-668,-663,-1064,-1066,-1036,-1003,-1012,-998]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 Ne7 {[%cal Bg8e7,Be7c8,Bc8b6,Bb6c4][%mdl 32] B12: Caro-Kann (Vorstoß-Variante)} (6... a6 7. Be2 c5 8. c3 h6 9. dxc5 Bxc5 10. Nxc5 Nxc5 11. Be3 Nd7 12. Nd4 Ne7 13. f4 Be4 14. O-O {½-½ (50) Carlsen,M (2843)-Navara,D (2745) Shamkir 2018}) 7. Be2 Nc8 8. O-O Be7 9. Ne1 Ncb6 {LiveBook: 3 Partien} 10. Nd3 Qc7 $146 ({Vorgänger:} 10... Nc4 11. Nf4 O-O 12. a4 c5 13. Bd3 Bg6 14. Nxg6 hxg6 {0-1 (46) Gomez,J (2474)-Nguyen,V (2442) Chengdu 2017}) 11. a4 Nc4 12. g4 Bxd3 13. cxd3 Na5 14. Be3 Nxb3 15. Qxb3 Qb6 16. Qc3 (16. Qxb6 $11 axb6 17. f4) 16... a5 $15 17. f4 O-O 18. Rf3 Bb4 $36 {[%mdl 2048] Schwarz steht aktiver.} 19. Qc1 (19. Qc2 $11) 19... c5 $17 20. dxc5 Bxc5 21. Qd2 {Die Idee ist d4.} Bxe3+ 22. Qxe3 Qxb2 23. Rff1 d4 24. Qf3 Rac8 25. Rab1 Qc3 26. Rxb7 (26. Qxb7 $17 {ist eine bessere Verteidigung.} Qd2 27. Qf3) 26... Nc5 $19 {[%cal Bd7c5,Bc5a4,Ba4c3,Bc3d1][%mdl 32]} 27. Rb5 Nxa4 28. f5 Qd2 {[#] Weiss muss nun ...Sc3 beachten.} 29. f6 (29. Rf2 $142) 29... g6 (29... gxf6 $142 30. Rd1 Qg5) 30. Rxa5 $2 (30. Rd1 Qg5 31. Rxa5) 30... Nc3 {Schwarz steht klar auf Gewinn.} (30... Qxa5 $2 31. Qf4 $19) 31. Bd1 Nxd1 32. Rxd1 Qxa5 33. Qf4 Kh8 {Precision: Weiß = 32%, Schwarz = 55%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Sangma, Rahul"]
[Black "Vignesh N R"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2295"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,-45,-38,-62,-52,-60,-66,-62,-41,-64,-55,-78,-60,-75,-31,-35,-25,-32,-14,-30,0,-25,-25,-18,241,240,310,306,385,376,342,370,390,385,385,400,463,410,428,0,464,450,437,339,499,493,482,456,472,465,457,454,442,435,466,427,616,620,597,600,578,522,509,517,721,573,804,788,858,856,887,851,843,767,1403,1391]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. b3 c5 5. Bb2 Nc6 6. g3 {A13: English Opening: 1...e6} d4 7. exd4 cxd4 8. Bg2 e5 9. O-O Bd6 10. d3 O-O {LiveBook: 8 Games} 11. Na3 h6 12. Re1 $146 ({Predecessor:} 12. Nc2 Re8 13. a3 a5 14. Rb1 Bf5 15. Re1 Nd7 16. Ba1 Nc5 17. Bf1 {0-1 (32) Hemant,S (2242)-Grachev,B (2652) Chennai 2016}) 12... Re8 13. Nc2 a5 14. Nd2 Bg4 15. f3 Be6 16. a3 Nd7 17. Ne4 Bf8 18. Rb1 f5 19. Nf2 $1 Qb6 20. Bc1 Nc5 21. Bd2 Nxb3 $2 {[%mdl 8192] [#]} (21... Bf7 $11 {and Black stays safe.}) 22. a4 $1 $18 Ra6 23. Na1 Nxd2 24. Rxb6 Rxb6 25. Qxd2 Bb4 26. Qb2 Bc5 27. Qc2 Nb4 28. Qe2 Nc6 29. Qc2 Nb4 30. Qd1 Bd7 31. Re2 Na6 (31... Rbe6 $142 32. g4 g6) 32. f4 {White is clearly winning.} exf4 33. Rxe8+ Bxe8 34. Bd5+ Kf8 35. Nh3 fxg3 36. hxg3 Bd6 37. Qf1 Bxg3 (37... Bd7 $142 38. Nc2 Bxg3 39. Nxd4 Be5) 38. Qxf5+ Rf6 39. Qh7 Be5 40. Qe4 Bd6 41. Nb3 Bxa4 42. Nxd4 Bd7 43. Qh7 Be5 44. Nf3 Bc3 45. Qg8+ Ke7 46. Qxg7+ Kd6 47. d4 {Precision: White = 57%, Black = 31%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.19"]
[Round "6"]
[White "Sahoo, Utkal Ranjan"]
[Black "Khusenkhojaev, Muhammad"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2281"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,45,60,51,41,49,36,52,37,43,47,47,56,64,20,30,20,43,14,249,255,472,452,573,377,2073,2096,1750,1624,1119,1243,29993,29994]} 1. d4 Nf6 2. c4 b6 3. Nc3 Bb7 4. Nf3 g6 5. Qc2 (5. g3 Bg7 6. Bg2 O-O 7. O-O e6 8. Bf4 d6 9. Qc2 Nbd7 10. Rad1 Qe7 11. e4 e5 12. Bc1 Rfe8 13. Nd5 Nxd5 14. cxd5 Rac8 15. dxe5 dxe5 {½-½ (68) Wang,Y (2690)-Mamedyarov,S (2804) chess.com INT 2018}) 5... d5 6. cxd5 {A50: Damenindisch (ohne e7-e6)} Nxd5 7. e4 Nxc3 8. bxc3 Bg7 {LiveBook: 40 Partien} 9. Be3 O-O 10. Rd1 Nd7 $146 ({Vorgänger:} 10... Qc8 11. Bd3 c5 12. O-O Nd7 13. Qe2 Nf6 14. Bg5 {0-1 (56) Krstulovic,A (2252)-Janik,I (2425) Warsaw 2017}) 11. e5 e6 12. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} c5 13. h5 Qc7 {...cxd4 ist eine echte Drohung.} 14. Qd2 cxd4 15. cxd4 {Droht Tc1 und aus.} Rfc8 16. Bb5 Nb8 $2 (16... a6 $1 $11 {und Schwarz steht sicher.} 17. Bd3 b5) 17. hxg6 $18 hxg6 $2 {[#]} (17... fxg6 {war nötig.} 18. Ng5 Qe7 19. Rxh7 Nd7) 18. Bh6 $1 {[%cal Rh6g7] Beabsichtigt Lxg7 und Matt.} Bh8 19. Bg5 {zielt auf Txh8+! ab.} Bxf3 $2 {[#]} (19... Qc3 20. Rxh8+ Kxh8) 20. Rxh8+ $1 {[%mdl 512]} Kxh8 21. Bf6+ Kh7 22. gxf3 {Weiss droht Ke2 und Matt.} Qc2 23. Ke2 {Precision: Weiß = 74%, Schwarz = 22%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Short, Nigel D"]
[Black "Tukhaev, Adam"]
[Result "1-0"]
[ECO "C83"]
[WhiteElo "2656"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,73,0,0,-42,-15,-67,-61,-59,-61,-159,-34,-32,-33,-33,-34,-36,-29,-31,-20,-33,0,0,0,-9,43,-19,0,-19,23,-19,-22,-56,0,0,0,0,0,0,0,0,0,0,70,41,62,60]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Re1 Be7 10. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} O-O 11. Nbd2 Nc5 12. Nd4 {C83: Open Ruy Lopez: 9 c3 Be7} Nxd4 13. cxd4 Nd3 14. Re3 Nxc1 15. Rxc1 a5 {[#] LiveBook: 4 Games} 16. f4 $146 ({Predecessor:} 16. Nf3 Rc8 17. Rec3 a4 18. Bc2 g6 19. Bd3 b4 {½-½ (40) Svetushkin,D (2562)-Erdos,V (2585) Calimanesti Caciulata 2016}) 16... g6 17. a4 (17. Bc2 $11) 17... Rb8 (17... c5 $5) 18. Bc2 Qc8 19. Nb3 {[#]} ({Better is} 19. Nf3 $15) 19... bxa4 (19... Bg4 $1 $17 {[%cal Rg4d1]} 20. Qe1 bxa4) 20. Nxa5 $15 {And now Nc6 would win.} c5 21. Bxa4 {aiming for Nc6.} Rb6 {Hoping for ...c4.} 22. b4 $1 {[%cal Rd4c5]} c4 {[%mdl 1024] Black has compensation.} 23. b5 $1 Bg4 24. Qe1 Qa8 (24... Bd7 $5 {[%cal Rd7b5]} 25. Nc6 Bxc6 26. bxc6 Qa8 $11) 25. Ra1 Bd7 26. Re2 Qc8 (26... Qa7 $11) 27. Rb1 (27. Nc6 $14 Re8 28. Qc3 (28. Nxe7+ Rxe7 29. Rea2 Re8 $11)) 27... Qa8 28. Ra1 Qc8 29. Rb2 Qc7 {...Rfb8 is the strong threat.} 30. Rbb1 Bf5 ({Black should try} 30... Rfb8 $1 $15 31. Nc6 Bxc6 32. bxc6 Bb4) 31. Rc1 Bd7 32. Nc6 $36 {[%mdl 2048] White has the initiative.} Bxc6 33. bxc6 Ra8 34. h3 Rba6 35. Bb5 Ra3 (35... Rxa1 $1 $11 36. Rxa1 Rxa1 37. Qxa1 Qb6) 36. Rxa3 $14 Rxa3 37. Kh1 {Precision: White = 42%, Black = 44%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Short, Nigel D"]
[Black "Tukhaev, Adam"]
[Result "*"]
[WhiteElo "2656"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,9,14]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O {Predecessor:} Be7 $146 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 14. Qf3 Qh4 15. g3 Qh3 16. Be3 Bxd3 17. Nd2 Qf5 18. Bd4 Rfe8 19. a4 Kf8 20. h4 h6 21. Qxf5 Bxf5 22. Rxe8+ Rxe8 23. axb5 axb5 {½-½ (30) Karjakin,S (2778)-Carlsen,M (2843) Shamkir 2018} *

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Gupta, Abhijeet"]
[Black "Ahmed, Sk  Nasir"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2619"]
[BlackElo "2305"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,0,0,0,0,23,15,15,12,22,25,75,79,74,79,71,51,51,53,52,52,78,86,86,84,88,75,76,74,104,105,114,112,127,108,186,192,194,180,182,179,209,209,195,183,206,208,198,197,302,327,309,284,393,365,741,662,604,575,1152,1384,1276,1258]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 O-O 5. Bg2 d5 6. Ngf3 b6 7. cxd5 exd5 8. O-O Bb7 9. Ne5 Nbd7 10. Qa4 {LiveBook: 14 Games. E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} a5 $146 ({Predecessor:} 10... Qe7 11. Ndf3 Bd6 12. Nxd7 Nxd7 13. Bf4 Bxf4 14. gxf4 c5 15. e3 Rfc8 16. Rfd1 c4 17. a3 Bc6 {0-1 (49) Melkumyan,H (2619)-Matlakov,M (2707) Karlsruhe 2017}) 11. Ndf3 Qe8 {[#] Threatens to win with ...Nxe5.} 12. Qc2 {White has an edge.} Bd6 13. Bf4 h6 14. Rac1 Nh5 15. Nxd7 Qxd7 16. Bxd6 cxd6 17. Nh4 Nf6 18. Qc7 Qxc7 19. Rxc7 Ba6 20. Nf5 Bxe2 21. Re1 Bd3 22. Ne7+ Kh8 23. Nxd5 Nxd5 24. Bxd5 Rae8 25. Re3 $36 {[%mdl 2048] White has strong initiative.} Bg6 26. Bc6 Re6 (26... Rc8 $16 {keeps fighting.} 27. Ree7 Kh7) 27. Rb7 $18 d5 28. Rxe6 ({But not} 28. Rxb6 $6 Rd6 $16) 28... fxe6 29. Rxb6 {[%mdl 4096] Endgame KRB-KRB} Bb1 30. a4 Rf3 31. Kf1 Rd3 32. b4 axb4 33. Rxb4 Ba2 (33... Bc2 $142 34. Bd7 Ra3 35. Bxe6 Be4 36. Rb8+ Kh7) 34. Bb5 Ra3 35. Ke2 g5 36. Kd2 Rf3 $2 {[#]} (36... Kg7 37. Kc2 Bc4 38. Bxc4 dxc4 39. Rxc4 Kf6) 37. a5 {[%cal Ba4a5,Ba5a6][%mdl 32] White is clearly winning.} Rxf2+ 38. Ke1 Rf7 39. a6 Ra7 40. Bd3 {Precision: White = 91%, Black = 49%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Amonatov, Farrukh"]
[Black "Sengupta, Deep"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2608"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,102,0,0,-37,10,12,10,18,24,16,35,15,16,-20,-14,-26,-14,-50,-33,-104,-115,-135,-82,-58,-85,-83,-8,-88,-75,-61,-62,-102,-66,-203,-197,-282,-278,-271,-258,-240,-253,-347,-310,-497,-501,-522,-509,-730,-670,-799,-789,-933,-921,-1012,-982,-1019,-1018,-1016,-1014,-958,-891,-1124,-1202,-1136,-479,-474,-470,-458,-452,-457,-399,-402,-405,-486,-473,-649,-649,-649,-649,-647,-643]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 12. Qd3 Nd7 {LiveBook: 36 Games} (12... Bxf3 13. Qxf3 Nd7 14. Rb1 $16) 13. a4 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (13. h3 {keeps more tension.} Bh5 14. a4 Bg6 15. Qd1 Re8 16. Bd3) (13. Bg5 Qc7 14. h3 Bh5 15. Nh4 Nb6 16. Bb3 Nd5 17. Bc2 Bg6 18. Nxg6 fxg6 19. Rae1 Qa5 20. Bb3 Kh8 {½-½ (78) Yang,K (2430)-Saptarshi,R (2476) Backi Petrovac 2018}) 13... Qc7 ({Much weaker is} 13... Bxf3 $6 14. Qxf3 Qc7 15. g3 $14) 14. h3 $146 ({Predecessor:} 14. Ba3 Bxa3 15. Rxa3 Qd6 16. Raa1 Qf6 17. Nd2 Rfe8 18. Rfe1 Nb6 19. Bb3 Nd5 20. Bc2 Qg6 21. Ne4 {½-½ (21) Illijin,N (2246)-Zayed,A (1855) Abu Dhabi 2009}) 14... Bh5 15. Nh4 {The position is equal.} Kh8 16. Nf5 Bh2+ 17. Kh1 Bf4 18. Ba3 Rfe8 {aiming for ...Be2.} 19. Rfe1 Bg6 20. Qc2 c5 21. Bd3 {[#]} (21. dxc5 $15 Nxc5 22. Rad1) 21... c4 $1 $17 {[%cal Rc4d3]} 22. Be4 {[#]} Nf6 $36 {[%mdl 2048] Black is in control.} (22... Rxe4 $142 $1 {[%mdl 512]} 23. Qxe4 Nf6) 23. Bf3 Qd7 24. g4 Nd5 ({Black should try} 24... Rad8 $17) 25. Re4 (25. Bd6 $1 $11 {remains equal.}) 25... Re6 26. Rae1 Rae8 27. Qb2 b6 ({Don't play} 27... Qxa4 $6 28. Rxe6 fxe6 29. Bxd5 $15) 28. a5 (28. Rxe6 $15 Rxe6 29. Rxe6 fxe6 30. Nh4) 28... bxa5 $19 29. Rxe6 (29. Kg1 $142) 29... fxe6 30. Ng3 Rb8 31. Qe2 Rb3 ({Don't take} 31... Nxc3 32. Qxc4 Nd5 33. Bxd5 $17) 32. Bc5 Rxc3 33. Ne4 $2 (33. Bg2 {is a better defense.}) 33... Rb3 34. Bg2 c3 35. Qf3 a4 36. Qd1 Rb2 37. Ba3 c2 38. Qa1 Rb8 39. Nc5 Qc6 {And now ...Rb1 would win.} 40. Bb2 Qb5 41. Nxa4 Bd2 42. Rxe6 Nf4 43. Re5 Qxb2 (43... Qb3 $142 44. Kh2 Nd3) 44. Nxb2 {Strongly threatening Rc5.} c1=Q+ 45. Qxc1 Bxc1 46. Nc4 Rc8 47. Nd6 Rd8 48. Nb5 a6 {Black is clearly winning.} 49. Nc7 Nxg2 50. Kxg2 Bf4 51. Rc5 {Hoping for Ne6.} Bd6 {Precision: White = 32%, Black = 70%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Rozum, Ivan"]
[Black "Burmakin, Vladimir"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2581"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,82,74,88,51,60,56,83,44,53,35,30,20,49,20,12,-24,0,-7,0,-7,0,0,0,0,0,-16,0,6,29,10,102,103,155,0,52,11,62,-43,0,-29,-26,-32,-29,-29,-19,-26,-30,-30,-20,-31,-30,-12,-5,-16,-7,-16,-2,-100,-95,-84,-81,-107,-111,-120,-53,-946,-164,-145,-139,-147,-20,-222,-246,-237,-19,-19,0,-230,0,-25,0,-216,0,-29]} 1. e4 d5 2. exd5 Qxd5 3. d4 Nf6 4. c4 Qd8 5. Nf3 c6 6. h3 {B01: Scandinavian Defence} g6 7. Nc3 Bg7 8. Be2 O-O 9. O-O {LiveBook: 19 Games} a6 (9... Bf5 10. Be3 Na6 11. Qb3 Qc8 12. Rac1 Nc7 13. Rfd1 Ne4 14. Nxe4 Bxe4 15. d5 Rd8 16. Bg5 Rd7 {½-½ (29) Malakhov,V (2713)-Potapov,P (2493) Doha 2016}) 10. a4 a5 11. Bf4 $146 ({Predecessor:} 11. Be3 Na6 12. Ne5 Nb4 13. Rc1 Ne8 14. b3 Nd6 15. g4 e6 16. f4 f6 {1-0 (50) Kovchan,A (2569)-Chehlov,A (2211) St Petersburg 2011}) 11... Na6 12. Re1 Nb4 13. Bf1 Bf5 14. g4 Bc8 15. Bg2 h5 16. Nh2 Qd7 {[%cal Rh5g4]} 17. Bf3 Nh7 18. Be5 Ng5 19. Bg2 $1 hxg4 20. hxg4 Bxe5 21. Rxe5 Ne6 22. Ne2 Rd8 {[%cal Re6d4]} 23. Nf3 Qc7 {[#]} (23... f6 $11 24. Re3 g5) 24. Qd2 $1 $16 Nf8 (24... Kg7 $142) 25. Bh3 $2 (25. Re4 $16) 25... f6 (25... c5 $11) 26. Re4 $1 $14 e5 (26... c5 $11) 27. Kg2 (27. Re1 $14) 27... Be6 28. Qc3 {[%cal Rd4e5] [#]} b5 $1 {[%mdl 512]} 29. b3 (29. axb5 cxb5) 29... bxc4 30. bxc4 {[%cal Rd4e5]} Qf7 31. dxe5 Rd3 32. Qc1 {[#]} Rxf3 $1 {[%mdl 512]} 33. Kxf3 Nd3 ({Don't play} 33... fxe5+ 34. Kg3 $14) 34. Qe3 Nxe5+ 35. Kg3 $1 Nxc4 36. Qc3 Bd5 $36 {[%mdl 2048] Black has good play.} 37. Rd4 {[#]} (37. Bg2 $1 $11 {remains equal.}) 37... Qc7+ $1 $17 38. f4 Re8 39. Rxc4 Rxe2 40. Bf1 Qe7 (40... Re7 $17 {Hoping for ...g5.} 41. Qd4 Ne6 42. Qxf6 g5 43. Qg6+ Kf8 44. Qf5+ Rf7 45. Qxd5 gxf4+ 46. Kg2 cxd5 47. Rxc7 Rxc7) 41. Ra3 $2 {[%mdl 8192]} (41. Bxe2 $15 Qxe2 42. Rg1 Bxc4 43. Re1) 41... Re1 $2 (41... g5 {( -> ...Qh7!)} 42. Qd3 Rb2) 42. Kf2 $19 Rd1 {[%mdl 1024] Black has strong compensation.} 43. Rc5 Qh7 (43... Ne6 $17 44. Rxa5 Rd4 45. Ra8+ Kf7) 44. Qg3 $2 ({Wrong is} 44. Ke2 $2 Rb1 $19) (44. Qh3 $11 Qb7 45. Qe3) 44... Qh1 45. Qh3 {Black must now prevent Qxh1.} Qe4 $2 (45... Rd2+ $19 46. Ke1 Rh2) 46. Qe3 $11 Qh1 $2 (46... Qb1 $11 47. Bd3 Qb2+ 48. Be2 Rd4) 47. Qh3 $19 {And now Qxh1 would win.} Qe4 $2 ({Black should try} 47... Rd2+ $19 48. Ke1 Rh2) 48. Qe3 $11 {aiming for Qxe4.} Qh1 $2 (48... Qb1 $11 49. Bd3 Qb2+ 50. Be2 Rd4) 49. Qh3 $19 {Strongly threatening Qxh1.} Qe4 $2 (49... Rd2+ $19 50. Ke1 Rh2) 50. Qe3 {Precision: White = 43%, Black = 30%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Nihal Sarin"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2551"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,127,18,24,20,49,48,54,44,45,42,79,70,84,45,54,54,73,54,71,70,70,75,78,82,82,62,68,60,71,72,69,77,83,83,68,70,75,49,51,51,51,48,56,47,141,139,152,154,155,155,155,154,126,107,164,156,162,162,150,80,87,72,72,72,563,531,552,564,535,547,487,425,356,173,679,678,2795,173,6113,5595,5377,707,481,339,1242,1235,995,700,29968,29965,5907,5921,4627,927,1699,1573,1699,1662,2106,2013,1696,1015,29991,29983,29992,29991,29991,29992,29992,29993]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} (6. Qb3 Be7 7. Bf4 O-O 8. e3 c6 9. Bxb8 Rxb8 10. Bxa6 Bd6 11. Be2 Re8 12. O-O h5 13. Qc2 g6 {0-1 (38) Gelfand,B (2695)-Andreikin,D (2712) Moscow 2018}) 6... Be6 7. e3 Nbd7 8. Bd3 h6 9. Bh4 Be7 10. O-O O-O {LiveBook: 6 Games} 11. Rc1 c5 12. dxc5 Nxc5 13. Bb1 Rc8 14. Nd4 Qd7 $146 ({Predecessor:} 14... Ncd7 15. Bf5 Bxf5 16. Nxf5 Nb6 {1-0 (46) Rodriguez Rueda,P (2082)-Paredes Bustamante,P (1848) Bento Goncalves 2010}) 15. f3 {aiming for b4.} b5 16. Bf2 Rfe8 17. Qd2 Nb7 18. Nce2 Rxc1 19. Rxc1 Rc8 20. Rd1 Nd6 21. b3 Nb7 22. h3 Nd8 23. g4 Nc6 24. Nxc6 Qxc6 25. Nd4 Qc3 26. Qxc3 Rxc3 27. Be1 Rc8 ({Of course not} 27... Rxe3 $6 28. Bd2 $16) 28. a4 bxa4 29. bxa4 Nd7 30. Bf5 Bxf5 31. Nxf5 Bf6 (31... Bf8 $14) 32. Rxd5 $16 Rc1 33. Rxd7 Rxe1+ {[%mdl 4096] Endgame KRB-KRN} 34. Kf2 Ra1 {[#]} 35. f4 $1 {[%cal Bf3f4,Bf4g5,Bg5g6][%mdl 32]} Rxa4 36. Kf3 Ra3 (36... a5 $16 {keeps fighting.}) 37. Ra7 $18 a5 38. h4 {[%cal Bh3h4,Bh4h5,Bh5g6][%mdl 32]} a4 39. g5 ({White should try} 39. h5) 39... hxg5 $16 40. fxg5 Bb2 41. h5 {White wants to mate with g6.} Rb3 $2 {[%mdl 8192] [#]} (41... Rd3 $16 {is a better chance.}) 42. g6 $1 $18 fxg6 43. hxg6 {Threatening mate with Ra8+.} Rb8 44. Rxa4 Re8 45. Ra5 Kf8 46. Kf4 (46. Ra7 $142 {And now Rf7+ would win.} Bf6 47. e4) 46... Bf6 $2 (46... Re6 47. Ra8+ Re8 48. Rxe8+ Kxe8) 47. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Bc3 48. Rd5 $2 (48. Rc5 Bd2+ 49. Kf3) 48... Bb2 $2 (48... Re6 49. Rd8+ Re8 50. Rxe8+ Kxe8) 49. e5 Ba1 50. Ne3 (50. Rb5 $142 Bc3 51. Nd6) 50... Bb2 51. Kf5 Ke7 $2 (51... Bc1 52. Nc2 Bh6) 52. Rb5 Bd4 53. Rb7+ Kf8 54. Nc4 Re7 55. Rb5 Rc7 56. Nd6 (56. Ke6 $142 Rc8 57. Rb7) 56... Ke7 57. Ke4 Ba7 58. Kd5 Rd7 59. Rb3 Rc7 60. Nf5+ Kf8 61. Ke6 {White mates.} Rc8 62. Rh3 {[%cal Rh3h8]} Rc6+ 63. Kd7 {[%cal Rh3h8]} Rxg6 64. e6 {[%mdl 32768] Precision: White = 65%, Black = 33%. . Loss on Time!?} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Lalith Babu M R"]
[Black "Nitin, S."]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2531"]
[BlackElo "2432"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,67,47,33,25,-8,-27,-93,-78,-108,-128,-122,-118,-181,-177,-227,-211,-257,-245,-246,-225,-309,-238,-193,-87,-101,-14,-28,0,-267,-280,-621,-614,-591,-92,-162,-154,-145,-68,-91,12,17,12,4,11,8,289,285,328,289,1056,1021]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} O-O 6. h3 Na6 7. Be3 c6 {E90: King's Indian: Classical: Early deviations and 6 h3} (7... c5 8. d5 e6 9. Nd2 exd5 10. cxd5 Nc7 11. Be2 b5 12. a3 b4 13. axb4 cxb4 14. Nb5 Nxb5 15. Bxb5 Bd7 {0-1 (40) Wang,Y (2690)-Kokarev,D (2615) Riadh 2017}) 8. Be2 e5 9. d5 Nh5 10. Qd2 {LiveBook: 4 Games} Nf4 11. Bf1 f5 12. g3 (12. Bxf4 $11 exf4 13. exf5) 12... fxe4 $146 ({Predecessor:} 12... Nh5 13. Bg5 Qc7 14. exf5 gxf5 15. Bg2 {½-½ (80) Bjarnason,S (2265)-Ivanov,M (2445) Hafnarfjordur 1997}) 13. Nxe4 cxd5 14. cxd5 Bf5 15. Nc3 (15. Neg5 $17) 15... Nb4 $19 16. gxf4 Nc2+ $1 17. Kd1 Nxa1 18. Bd3 Qd7 19. Ke2 exf4 20. Bd4 Rae8+ (20... Rfe8+ $19 21. Kd1 Bxh3) 21. Kd1 $17 Bxh3 (21... Rc8 $1 $17 22. Bxg7 Kxg7) 22. Bxg7 $11 Bg4 23. Be2 $2 {[%mdl 8192]} (23. Bxf8 $11 Bxf3+ 24. Kc1 Bxh1 25. Bb5) 23... Rxe2 $19 (23... Kxg7 24. Kc1 $17) 24. Qxe2 $2 (24. Nxe2 Qa4+ 25. b3 Nxb3 26. Qc2 Bxf3 27. axb3 Bxe2+ 28. Kc1 Qa3+ 29. Bb2) 24... Re8 $1 {[%cal Re8e2]} ({Not} 24... Kxg7 25. Kd2 $17) 25. Qd3 {Kd2 is the strong threat.} Qxg7 $2 (25... Bxf3+ $19 26. Qxf3 Qf5) 26. Rg1 {[#]} (26. Kd2 $17 {was necessary.} Nc2 27. Kxc2) 26... Bf5 $1 {[%cal Rf5d3]} 27. Qc4 Qh6 (27... Nc2 $17 {aiming for ...Rf8.} 28. Qxf4 Qf6) 28. Nd4 {[#]} Qh5+ (28... Qh4 $1 $17 {[%cal Rh4f2]} 29. Nxf5 Qxf2) 29. Kd2 $11 Qh4 30. Nxf5 Qxf2+ 31. Ne2 Nc2 $2 {[%mdl 8192]} (31... f3 $1 $11 {and Black stays safe.} 32. Nh6+ Kf8 33. Qf4+ Ke7 34. Qe3+ Qxe3+ 35. Kxe3 fxe2 36. Rxa1 Kf6+ 37. Kf2 Re4) 32. Nh6+ $18 ({Resist} 32. Nxd6 $6 Na3 $16) 32... Kg7 {Hoping for ...f3.} 33. Ng4 Qf3 $2 (33... Qc5 34. Qxc5 dxc5 35. Nxf4 Nd4) 34. Nxf4 {Precision: White = 36%, Black = 30%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Narayanan, Srinath"]
[Black "Karthikeyan, Murali"]
[Result "1-0"]
[ECO "E10"]
[WhiteElo "2525"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,93,51,56,50,65,44,44,24,81,81,85,81,124,53,53,13,21,0,0,-60,-56,-25,-32,-91,-93,-95,-77,-81,-61,-111,-109,-93,-105,-130,-130,-256,-252,-226,-239,-250,-254,-241,-241,-230,-148,-151,-141,-157,-103,-250,-77,-77,-39,-495,-495,-481,-465,-480,-473,-514,-503,-568,-568,-566,-566,-477,0,-551,-419,-407,259,257,29992,29991,29993,29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. Bg5 exd5 6. cxd5 h6 7. Bxf6 Qxf6 8. Qc2 d6 9. e4 a6 10. a4 b4 {LiveBook: 46 Partien. E10: Blumenfeld-Gambit} 11. Nfd2 (11. Nbd2 Bg4 12. e5 dxe5 13. Ne4 Qf4 14. Nfd2 Bf5 15. Bd3 Bxe4 16. Nxe4 Nd7 17. d6 f5 18. g3 Qf3 19. O-O {1-0 (27) Rodshtein,M (2673)-Tazbir,M (2517) Germany 2016}) 11... g6 12. Nc4 Nd7 {Weiß steht etwas besser.} 13. Nbd2 Qe7 $146 (13... h5 $11 {bleibt in der Remisbreite.}) ({Vorgänger:} 13... Bg7 14. Bd3 O-O 15. O-O Ne5 16. f4 Nxd3 17. Qxd3 Qd4+ 18. Qxd4 Bxd4+ {½-½ (41) Goncalves,J (2504)-Valverde Toresano,A (2291) IECG email 1996}) 14. Bd3 $16 Bg7 15. O-O g5 16. Rfe1 ({Besser ist} 16. f4 $16) 16... O-O $14 17. Nf1 Rb8 18. Ng3 {Und Sf5 würde nun gewinnen.} Ne5 19. Rad1 (19. Nxe5 $11 Bxe5 20. Qe2) 19... b3 $1 $15 {[%cal Rb3c2]} 20. Qe2 Rb4 21. a5 (21. Rb1 $15) 21... Bg4 $1 $36 {[%cal Rg4e2][%mdl 2048] Schwarz bestimmt, wo es lang geht.} 22. f3 Nxc4 23. Bxc4 Bd7 24. Rd2 Rfb8 25. Ra1 Qd8 26. Bxa6 Ra8 $1 27. Ra3 (27. Rdd1 $17) 27... c4 $19 28. Bxc4 Rxa5 29. Rxa5 Qxa5 30. Bd3 Ra4 {[%mdl 1024] Schwarz hat starke Kompensation.} 31. Nf1 Ra1 32. g4 Be5 33. Kg2 {[#]} Qc5 (33... Rc1 $142 $1 34. Ng3 Qc5) 34. Rd1 {[#]} (34. Qf2 $17 {war nötig.}) 34... Ra2 $2 (34... Bxb2 $1 $19 {[%mdl 512] ist viel giftiger. Droht ...Lc1 und aus.} 35. Rxa1 (35. Qxb2 Ra2) 35... Bxa1) 35. Rb1 $17 Qd4 (35... Bb5 $5 36. Bxb5 Bxb2 $17) 36. Nd2 $2 {[%mdl 8192]} (36. Kh1 $15) 36... Rxb2 $19 37. Rxb2 Qxb2 38. Nc4 Qc1 ({Schwächer ist} 38... Qxe2+ 39. Bxe2 b2 40. Bd3 $17) 39. Nxe5 dxe5 40. Qf1 b2 {...Dxf1+ ist eine echte Drohung.} 41. Bb1 Ba4 {Weiss muss nun ...Lc2 beachten.} 42. Qd3 Bd7 $2 (42... Kg7 $19 {Und weiter mit ...Lb5! wäre nett.} 43. Ba2 Qe1) 43. d6 $2 {[%mdl 8192]} (43. Qf1 $1 $11 {und Weiss steht sicher.} h5 44. h3) 43... Kf8 44. Ba2 {Weiss hofft, mit Dd5 fortzusetzen.} Be6 $4 {[%mdl 8192]} (44... Kg7 $19 {und alles wird gut. Droht stark ...Le6.} 45. Qd5 Qf4) 45. d7 $18 Bxa2 $2 (45... Bxd7 $18 46. Qxd7 Qf4 47. Qc8+ Kg7) 46. d8=Q+ Kg7 47. Q3d6 {Precision: Weiß = 30%, Schwarz = 59%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Deepan Chakkravarthy J"]
[Black "Sandipan, Chanda"]
[Result "1/2-1/2"]
[ECO "A80"]
[WhiteElo "2516"]
[BlackElo "2573"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,47,11,19,17,31,32,31,31,31,25,29,31,31,22,33,26,31,31,31,31,38,35,40,36,36,35,39,0,0,0,34,0,0,0]} 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 4. Bxf6 exf6 5. e3 Be6 6. Bd3 Nc6 7. a3 Qd7 {A80: Holländische Verteidigung} 8. Nge2 Bd6 {LiveBook: 5 Partien} 9. O-O O-O 10. b3 Na5 11. Nf4 Bxf4 12. exf4 b6 13. Ba6 $146 ({Vorgänger:} 13. Re1 Bf7 14. Qd2 Nb7 15. a4 Nd6 16. f3 a5 {½-½ (16) Sanikidze,T (2549)-Zherebukh,Y (2629) Haguenau 2013}) 13... c6 14. Re1 Rfe8 15. a4 Qd6 16. g3 Bf7 17. Qd3 Re7 18. Rxe7 Qxe7 19. Kf1 ({Viel schwächer wäre} 19. Qxf5 Bg6 $17) 19... Re8 20. Qd2 Qb4 21. Ne4 Qe7 22. Nc3 Qb4 23. Ne4 Qe7 24. Nc3 {Precision: Weiß = 57%, Schwarz = 65%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Tran, Tuan Minh"]
[Black "Sekar, B."]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2512"]
[BlackElo "2304"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,113,0,0,6,0,0,0,-8,-5,-39,-10,-5,0,0,4,0,20,-16,26,-16,-22,-20,-12,-18,-16,-62,-52,-51,-54,-69,-66,-62,-62,-76,-69,-172,-160,-182,-172,-254,-147,-204,-112,-113,-91,-107,-94,-123,-100,-133,-138,-134,-77,-74,-77,-97,-92,-99,-78,-76,-74,-69,-36,-72,-75,-91,16,22,19,16,20,9,216,64,237,241,233,250,245,245,213,217,377,281,488,471,677,697,830,830,830,825,795,775,5022,4810]} 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. g3 O-O 6. Bg2 {D00: 1 d4 d5: Unusual lines} c6 7. Nd2 Nd7 (7... Be6 8. Ne2 Nd7 9. O-O f5 10. Rc1 Nf6 11. c4 dxc4 12. Nxc4 Bd5 13. Bxd5 Nxd5 {½-½ (22) Safarli,E (2657)-Iturrizaga Bonelli,E (2641) Berlin 2015}) 8. Ne2 f5 9. c4 dxc4 10. Nxc4 Bc7 {LiveBook: 5 Games} 11. O-O Nf6 12. Nc3 Be6 13. Qd3 Qe7 $146 14. Rab1 a5 15. a3 a4 16. Nd2 Ba5 17. Nc4 Rfd8 18. Rfd1 h5 19. Nd2 {[#]} h4 $1 {[%mdl 512]} 20. Qc2 (20. gxh4 Bc7) 20... hxg3 21. hxg3 Ng4 22. Nxa4 Ba2 $1 23. Nf1 Bxb1 24. Rxb1 g6 $36 {[%mdl 2048] White is under pressure.} 25. b4 Bc7 26. Nc5 Rxa3 27. b5 (27. Nxb7 $15 Bxg3 28. Nxg3 Qxb7 29. b5) 27... cxb5 28. Nxb7 Rda8 29. Rc1 {[#]} (29. Qc5 $142 Qxc5 30. Nxc5) 29... Bd8 ({Black should play} 29... Bxg3 $1 $19 {[%mdl 512]} 30. fxg3 (30. Nxg3 Qh4) 30... Nxe3) 30. Qc6 (30. Nc5 $17) 30... Ra2 (30... Rb8 $19 31. Nc5 Nf6) 31. Bd5 $17 {Black must now prevent Qxg6+.} R2a6 32. Qxb5 Rb6 33. Qc5 Rb8 34. Qxe7 Bxe7 35. Na5 Bd6 (35... Rb1 $142 36. Rxb1 Rxb1) 36. Nc4 Ra6 37. Nfd2 Nf6 38. Bf3 Kf8 39. Kg2 Ke7 40. Rc2 Ra7 41. Bc6 Rc7 42. d5 Ne8 (42... Ne4 $17 43. Nxd6 Nxd6) 43. e4 $11 f6 44. exf5 gxf5 45. Nf3 {Hoping for Re2+.} Rbc8 $2 (45... Bc5 $11) 46. Nd4 $2 (46. Re2+ $18 Be5 47. Nfxe5 (47. Ncxe5 fxe5 48. Rxe5+ Kf8 $18) 47... fxe5 48. Rxe5+ Kf8 49. Rxf5+ Kg7 50. Rg5+ Kh7 51. f4) 46... Be5 $2 ({Better is} 46... Bc5 $1 $14 47. Nb5 (47. Nxf5+ Kf8 $16) 47... Rxc6 48. dxc6 Rxc6) 47. Nxf5+ $18 Kf8 48. f4 Ba1 49. Nb6 Rd8 {[#]} 50. Rc1 $1 {[%cal Rc1a1]} Bb2 $2 (50... Ra7 {was worth a try.} 51. Rh1 Kg8) 51. Rb1 Bc3 $2 (51... Ba3 52. Nd4 Re7) 52. Na4 {White is clearly winning.} Bd2 (52... Ba5 $142 53. Nc5 Rxc6 54. dxc6 Kf7 55. Rb7+ Bc7) 53. Nc5 Rxc6 54. dxc6 {Threatens to win with Ne6+.} Rd5 55. Ne6+ Kf7 56. Nfd4 Nd6 {[#]} 57. Rb7+ $1 {Precision: White = 55%, Black = 40%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Neverov, Valeriy"]
[Black "Raghunandan, Kaumandur Srihari"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2496"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,60,21,0,24,0,9,-3,14,12,33,-14,0,-27,-41,-31,-39,-27,-23,-45,-36,-41,0,-4,0,0,0,0,0,-44,-48,-37,-47,-45,-10,-15,-7]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Qc2 e5 8. Rd1 Qe7 9. Nc3 c6 10. e4 Nb6 11. dxe5 dxe5 12. b3 Bg4 13. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} Rfd8 14. Ba3 {LiveBook: 4 Games} Qe8 15. a5 {White has an edge.} Nbd7 16. Na4 Bf8 17. c5 Nh5 {[%cal Bf6h5,Bh5g7,Bg7e6,Be6g5,Bg5e4][%mdl 32]} 18. a6 $146 ({Predecessor:} 18. Bb2 Ng7 19. Rxd7 Bxd7 20. Nxe5 Be6 {0-1 (40) Karthikeyan,P (2473)-Karthikeyan,M (2592) Hanoi 2018}) 18... bxa6 19. h3 (19. Bb4 {seems wilder.} Ng7 20. Ba5 Rdb8 21. b4 Ne6 22. Qc4) 19... Bxf3 20. Bxf3 Ng7 21. Be2 a5 22. Qc3 Ne6 23. Qxa5 Ng5 24. h4 Nxe4 25. Bf3 $36 {[%mdl 2048] White has the initiative.} f5 26. Bxe4 fxe4 27. Re1 Nf6 28. Bc1 Qf7 {Threatens to win with ...Rab8.} 29. Nc3 Rd4 {Black wants to play ...Rb8.} ({Reject} 29... Qxb3 $6 30. Bg5 $14) 30. Be3 Rd3 {Precision: White = 43%, Black = 57%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Rahman, Ziaur"]
[Black "Gomes, Mary Ann"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2495"]
[BlackElo "2290"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,88,31,46,43,40,49,52,55,65,64,33,23,27,38,35,30,32,63,57,83,83,72,72,89,83,104,101,119,75,83,78,93,93,93,93,91,93,91,87,108,108,108,97,112,114,99,102,171,164,273,273,269,245,267,183,183,152,166,84,84,84,729,696,666,659,643,639,635]} 1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. Bd3 Nf6 5. O-O O-O 6. Re1 c5 7. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} Bg4 {B07: Pirc Defence: Miscellaneous Systems} 8. Nbd2 cxd4 (8... Nfd7 9. h3 Bxf3 10. Nxf3 Nc6 11. Be3 a6 12. Qd2 Rc8 13. Rac1 b5 14. b4 Qc7 15. a3 {½-½ (55) Van Foreest,J (2629)-Kokarev,D (2615) Riadh 2017}) 9. cxd4 Nc6 10. h3 Bxf3 11. Nxf3 Nd7 12. Be3 {LiveBook: 7 Games} e5 {[%cal Re5d4]} 13. Bf1 {[%cal Bd3f1,Bf1c4,Bc4d5][%mdl 32]} exd4 14. Nxd4 Nxd4 $146 ({Predecessor:} 14... Nf6 15. Qa4 Re8 16. f3 Nxd4 17. Bxd4 {1-0 (58) Hoelzl,F (2381)-Klundt,K (2366) Jenbach 2001}) 15. Bxd4 Be5 16. Re3 Nc5 17. Bc4 Qf6 18. Rf3 Qe7 19. Bd5 Ne6 20. Be3 $1 Ng5 21. Bxg5 $1 Qxg5 22. Qa4 Rac8 {[#] ...Rc1+ is the strong threat.} 23. g3 Rc7 24. Qxa7 Kg7 25. Qa4 Qd2 26. Qd1 Qxb2 27. Rb1 Qd4 28. Qxd4 Bxd4 29. Rxb7 Rxb7 30. Bxb7 f5 31. exf5 Rxf5 32. Rxf5 gxf5 $16 {[%mdl 4096] Endgame KB-KB} 33. Kg2 Kf6 34. f4 Bc3 (34... Ke6 $16) 35. Kf3 h5 (35... h6 $142 36. g4 Bd2) 36. Ke2 $18 Bb4 37. a4 Ba5 38. Bf3 Kg6 39. Kd3 Be1 40. g4 ({White should try} 40. Be2 $18) 40... hxg4 $16 41. hxg4 fxg4 $2 {[%mdl 8192]} (41... Ba5 $16) 42. Bxg4 $18 {White is clearly winning.} Kf6 43. Kd4 Bd2 {[#]} 44. f5 $1 Ba5 {Precision: White = 67%, Black = 38%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Harsha Bharathakoti"]
[Black "Ravi, Teja S"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2463"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,48,31,38,28,25,39,0,0,0,27,16,48,22,22,29,23,23,31,41,29,30,27,28,31,10,14,0,24,0,14,0,41,0,13,0,39,0,17,0,44,0,23]} 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} (6. Qb3 Ra7 7. Nh4 Bc8 8. Qc2 e6 9. Nf3 Be7 10. e4 dxe4 11. Nxe4 Nbd7 12. Bd3 Nxe4 13. Bxe4 Nf6 14. Bd3 {1-0 (34) Ding,L (2778)-Shankland,S (2671) Liaocheng 2018}) 6... Nbd7 7. Qb3 Qc7 8. cxd5 Nxe5 9. dxe5 Nxd5 10. Nxd5 cxd5 {LiveBook: 44 Games} 11. Bd2 Qxe5 12. Be2 Bd7 13. Qxb7 Rb8 {[#]} 14. Qa7 $146 Qxb2 15. O-O f6 16. Bxa6 {And now Ba5 would win.} (16. a4 {is interesting.} Qb6 17. Qxa6 Qxa6 18. Bxa6 e6 19. a5) 16... Qb6 $1 {[%cal Rb6a7]} 17. Qxb6 Rxb6 18. Bd3 e6 19. Rfb1 Bc5 20. Rxb6 Bxb6 21. Rb1 Bc7 $1 22. Rc1 Bb6 23. Rb1 Bc7 $1 24. Rc1 Bb6 25. Rb1 Bc7 $1 26. Rc1 Bb6 27. Rb1 Bc7 $1 28. Rc1 Bb6 29. Rb1 Bc7 $1 30. Rc1 Bb6 {Precision: White = 23%, Black = 73%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Nguyen, Van Huy"]
[Black "Sangma, Rahul"]
[Result "1/2-1/2"]
[ECO "E00"]
[WhiteElo "2462"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,145,22,16,28,0,6,3,0,-11,-13,-20,0,0,0,-6,-19,-22,-5,-18,-14,-48,-47,-38,-37,-51,-44,-98,-110,-105,-110,-110,-110,-97,-103,-100,-59,-51,-64,-64,-57,-54,-50,-80,-35,-80,-82,-91,-76,-69,-55,-48,-19,-93,-46,-121,-90,-183,-48,-101,-85,-212,-62,-63,-60,-72,-70,-69,-69,-69,-62,-85,-75,-70,-55,-85,-85,-85,0,-155,-140,-140,-140,-140,-140,-176,-85,-85,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 Nc6 5. Ngf3 d6 (5... O-O 6. Bg2 Re8 7. O-O Bf8 8. e4 d6 9. e5 Nd7 10. Qe2 Nc5 11. Nb3 Bd7 12. Re1 h6 13. Be3 {½-½ (13) Fressinet,L (2705)-Tregubov,P (2600) Paris 2015}) 6. Bg2 {E00: Catalan Bogo-Indian (3 g3 Bb4+)} a5 7. O-O e5 8. a3 Bxd2 9. Qxd2 {LiveBook: 5 Games} e4 10. Ne1 $146 ({Predecessor:} 10. Ng5 d5 11. cxd5 Qxd5 12. Qe3 Bf5 13. f3 Qxd4 14. Qxd4 Nxd4 15. fxe4 {½-½ (45) Zhukova,N (2456)-Gaponenko,I (2448) Odessa 2006}) 10... d5 11. cxd5 Qxd5 12. Nc2 O-O 13. Qg5 Qc4 14. Qc5 $1 {[%cal Rc5c4]} Qxe2 15. Bg5 Nd7 16. Qc3 Qh5 17. Bf4 Nf6 $36 {[%mdl 2048] White is under pressure.} 18. Ne3 Bh3 19. Bxh3 Qxh3 20. Rfd1 Ne7 21. Qxc7 (21. Qc5 $15 Ng6 22. Bxc7) 21... Ned5 $17 22. Nxd5 Nxd5 23. Qe5 Nf6 $1 {[%cal Rf6g4]} 24. Qg5 h6 ({Reject} 24... Ng4 $6 25. Qh4 $11) 25. Qh4 Qxh4 (25... Qf5 {keeps more tension.} 26. Bd2 b6 27. Qf4 Qh3 28. Qh4 Qe6) 26. gxh4 Nd5 27. Bg3 Rac8 28. Rac1 b6 29. Kf1 h5 30. Ke2 Rfe8 31. Re1 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 32. Kd2 f5 33. Be5 Kf7 34. b3 (34. Ke2 $1 $11) 34... g6 35. Rg1 (35. Ke2 $15) 35... Red8 36. a4 (36. Rgf1 $17) 36... Ne7 ({Black should try} 36... Nb4 $1 $19 37. Rc4 Rxc4 38. bxc4 Nc6) 37. Rxc8 (37. Ke3 $1 $15) 37... Rxc8 $15 {[%mdl 4096] Endgame KRB-KRN} 38. f3 (38. Bf4 $17) 38... e3+ (38... exf3 $19 39. Rf1 Nc6 40. Rxf3 Nxe5 41. dxe5 Ke6) 39. Kxe3 Nd5+ 40. Kd2 Rc3 41. Rc1 $1 {[%cal Rc1c3]} Rxf3 42. Rc6 $1 {next Rd6 is good for White.} Rxb3 43. Rd6 {[#]} Ne3 $1 {[%cal Re3c4]} 44. Rf6+ Ke7 {...Nc4+ is the strong threat.} 45. Rxg6 Nc4+ 46. Kc2 {[#]} Nxe5 (46... Rb2+ $1 $17 47. Kc3 Nxe5 48. Rg7+ Kf8) 47. dxe5 $2 $17 {KR-KR} ({Only move:} 47. Rg7+ $11 Kf6 48. Kxb3 Kxg7 49. dxe5) 47... Rb4 48. Kd3 Rxa4 {Hoping for ...Rb4.} 49. Rxb6 Rxh4 50. Ra6 a4 (50... Rh3+ $19 {is more deadly.} 51. Kd4 a4 52. Ra7+ Ke6 53. Ra6+ Kf7) 51. Ke3 Rxh2 (51... Re4+ $17 52. Kd3 h4) 52. Kf4 $11 {The position is equal.} Rf2+ 53. Kg5 h4 54. Kxh4 Rg2 55. Rxa4 Ke6 56. Kh3 Rg1 57. Ra5 f4 58. Kh2 Rg3 59. Rb5 Rg7 60. Ra5 Rg8 61. Rb5 Kf5 62. Ra5 Rb8 63. Kg2 Rb2+ 64. Kf3 Rb3+ 65. Kg2 Kg4 66. Ra2 Rh3 67. Ra4 Rg3+ 68. Kf2 Rb3 69. Re4 Rf3+ 70. Kg2 {Strongly threatening e6.} Ra3 {White must now prevent ...Ra2+.} 71. Kf2 Ra2+ 72. Re2 Rxe2+ 73. Kxe2 {Precision: White = 59%, Black = 64%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Laxman, R.R"]
[Black "Ojas Kulkarni"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2444"]
[BlackElo "2251"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,89,18,8,-20,-20,-22,-22,-18,0,-17,-6,-28,-25,-32,-26,-37,-14,-27,-15,-25,0,0,0,0,0,-2,-1,-6,-6,-6,35,66,87,87,87,87,87,87,135,110,128,118,110,101,101,101,102,102,102,102,102,102,102,102,102,102,102,102,102,102,102,92,92,92,204,77,219,219,178,178,29985,29986]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. Bd2 Nb6 7. e3 O-O 8. Rc1 Nc6 9. Bb5 e5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} 10. Bxc6 exd4 {LiveBook: 14 Games} 11. Be4 (11. exd4 {seems wilder.} bxc6 12. O-O Bg4 13. Be3 Re8 14. h3) 11... dxc3 {The position is equal.} 12. Bxc3 Qxd1+ 13. Kxd1 {Strongly threatening Bxg7.} Re8 {Hoping for ...Bxc3.} 14. Bxg7 Kxg7 {[#]} 15. Nd2 $146 ({Predecessor:} 15. Bb1 c6 16. Nd4 Re5 {½-½ (16) Gleizerov,E (2545)-Nielsen,P (2649) Koge 2013}) 15... c6 16. Ke2 Be6 17. Bb1 Rad8 18. Rhd1 Nd5 19. Ne4 Bf5 (19... Bc8 {looks sharper.} 20. a3 f5 21. Ng5 f4 22. e4 h6) 20. Nc5 {Threatens to win with Bxf5.} Bxb1 21. Rxb1 b6 22. Nd3 c5 23. Rbc1 f5 24. g3 Rd6 {[#]} 25. b4 $1 {[%mdl 512]} cxb4 {[#]} 26. Nxb4 $1 {[%mdl 512]} Red8 (26... Nxb4 27. Rc7+) 27. Nxd5 Rxd5 $16 {[%mdl 4096] Endgame KRR-KRR} 28. Rc7+ Kh6 29. Rxd5 Rxd5 30. Rxa7 {KR-KR} Rb5 31. h4 Rb2+ 32. Kf3 b5 33. a3 b4 34. axb4 Rxb4 35. Rd7 Rb2 36. Rf7 Rb4 37. Re7 Rb2 38. Kg2 Ra2 39. Rf7 Rb2 40. g4 fxg4 41. Kg3 g5 {[#]} (41... Rb4 $16 {was necessary.} 42. Rf4 Rb1) 42. hxg5+ ({Don't take} 42. Kxg4 $6 Rb4+ 43. f4 Kg6 $16) (42. Rf5 $1 $18 {is the precise move to win.}) 42... Kxg5 {[#]} (42... Kg6 $16 43. Rc7 Kxg5) 43. Rg7+ $1 $18 ({Much less strong is} 43. Rxh7 $6 Rb1) 43... Kf5 44. Rxg4 Rxf2 $2 (44... h5 $18 45. Rg8 Rb1) 45. e4+ {Precision: White = 57%, Black = 41%.} ({Inferior is} 45. Kxf2 Kxg4 46. Kg2 h6 $11) 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Gukesh D"]
[Black "Nguyen, Phuoc Tam"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2426"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,76,45,54,63,98,9,14,6,10,15,37,-51,-22,-108,-121,-130,-112,-118,-106,-104,-54,-177,-29,-117,-114,-113,-71,-83,-86,-127,-155,-126,-145,-160,-148,-140,-15,-351,-324,-579,-615,-594,-686,-691,-689,-672,-672,-649,-622,-785,-785,-1703,-923,-29984,-1147,-29981,-29980,-29987,-29985,-29990,-29991,-29995,-29987,-29987,-29988]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. h4 h5 6. Nf3 {B06: Moderne Verteidigung} (6. Qd2 Nd7 7. Nh3 c5 8. O-O-O cxd4 9. Bxd4 Ngf6 10. Ng5 b5 11. f3 Bb7 12. Kb1 Rc8 13. Be2 Nb6 14. Rhe1 Nc4 15. Bxc4 Rxc4 16. Bxf6 exf6 {½-½ (70) Movsesian,S (2647)-Adhiban,B (2655) Riadh 2017}) 6... b5 7. Ng5 Bb7 {LiveBook: 4 Partien} 8. a4 {Weiß steht etwas besser.} b4 9. Nd5 (9. Na2 $16) 9... Bxd5 $1 $11 10. exd5 Nf6 11. Bd3 $146 ({Vorgänger:} 11. Bc4 O-O 12. Qf3 Qd7 13. O-O {1-0 (49) Milliet,S (2369)-Rothe,G (2171) Reykjavik 2011}) 11... Qc8 12. Rh3 (12. O-O $14) 12... Nbd7 $15 13. Ne6 (13. Rg3 $11 {bleibt in der Remisbreite.}) 13... fxe6 $17 14. Bxg6+ Kd8 15. dxe6 Nf8 16. Bf5 Qb7 17. Qd3 ({Besser ist} 17. Kf1 $15) 17... Qd5 (17... Qxg2 $19 {Und ...Sg4 würde nun gewinnen.} 18. O-O-O Qd5) 18. c4 (18. Kf1 $11) 18... bxc3 $1 19. bxc3 Bh6 {...Lxe3 ist eine echte Drohung.} (19... Nxe6 $6 20. c4 $11) 20. Kf1 Bxe3 21. fxe3 Rg8 ({Und nicht} 21... Nxe6 22. c4 $11) 22. e4 Qb3 23. Qf3 {Mit der Idee e5.} Rb8 ({Lieber nicht} 23... Nxe6 24. e5 $16) 24. e5 {[#]} Nd5 (24... Ng4 $1 $17 25. Re1 dxe5) 25. Kg1 $2 {[%mdl 8192] [#]} (25. Be4 $1 $11 Qxc3 26. Qxc3 Nxc3 27. Rxc3) 25... Ne3 $1 $19 {[%mdl 512] Droht ...Db2 und aus.} 26. Rg3 $2 (26. Kh1 {ist wohl besser.} Nxf5 27. Qxf5 Qxe6 28. Rf3) (26. Qxe3 Qb2) 26... Rxg3 27. Qxg3 Qxc3 ({Nicht} 27... Nxf5 28. Qg8 $17) 28. Re1 Rb3 29. Bh3 Kc8 30. exd6 cxd6 31. Qf2 Ng6 32. Qe2 Kb8 33. g3 Qxd4 (33... Ng4 $142 34. Rf1 Qxg3+ 35. Qg2 Qe3+ 36. Kh1 Nxh4 37. Rf8+ Kc7 38. Rc8+ Kxc8 39. Qc6+ Kb8 40. Qe8+ Ka7 41. Qd7+ Rb7 42. Qxb7+ Kxb7 43. Bg2+ Nxg2 44. d5 Nf4 45. a5 Qe1#) 34. Kh1 Ne5 {Schwarz setzt Matt.} 35. Bg2 Nxg2 36. Qxg2 Rb2 37. Qe4 Qxe4+ 38. Rxe4 Nf3 {Precision: Weiß = 26%, Schwarz = 45%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Rahul Srivatshav P"]
[Black "Shyam, Sundar M"]
[Result "0-1"]
[ECO "E46"]
[WhiteElo "2402"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,52,24,24,24,14,19,35,27,31,10,10,10,10,12,6,-36,-28,-32,-37,-32,-36,-33,-43,-72,-72,-45,-33,-151,-133,-667,-653,-647,-635]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nge2 Re8 6. a3 Bf8 7. Ng3 d5 8. Be2 {[%cal Bf1e2,Be2h5,Bh5f3][%mdl 32] E46: Nimzoindisch (Rubinstein-System)} b6 9. cxd5 exd5 10. O-O c5 (10... Bb7 11. b4 Nbd7 12. Qb3 c6 13. Bf3 a5 14. b5 c5 15. Nxd5 a4 {½-½ (53) Shankland,S (2671)-Ding,L (2778) Liaocheng 2018}) 11. dxc5 bxc5 {LiveBook: 3 Partien} 12. Nh5 Nxh5 13. Bxh5 Bb7 14. Bf3 Re5 15. Qb3 Bc6 16. Rd1 $146 {[%cal Rc3d5]} d4 17. exd4 cxd4 18. Bf4 Bxf3 19. Bxe5 Qg5 {[%csl Gf3][%cal Rg5g2] [#]} 20. Bg3 Bxd1 $40 {[%mdl 128] Schwarz greift an.} 21. Nxd1 Nd7 {[%cal Bb8d7,Bd7c5,Bc5b3][%mdl 32]} 22. f3 Nc5 23. Qc4 a5 24. f4 (24. Nf2 $15) 24... Qe7 $17 25. Qxd4 $2 {[%mdl 8192] [#]} (25. f5 $17) 25... Nb3 $19 26. Qd5 Qc5+ {Precision: Weiß = 28%, Schwarz = 79%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Rathnakaran, K."]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2377"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,25,6,18,10,8,19,59,4,28,0,0,-5,0,-16,0,-8,9,-76,-79,-98,-94,-93,-83,-97,-47,-43,-49,-50,-56,-101,-78,-165,-93,-130,-140,-118,-122,-116,-84,-104,-90,-113,-87,-158,-154,-387,-362,-384,-350,-465,-416,-405,-404,-389,-406,-433,-352,-886,-900,-1236,-1246,-1839,-1830,-1864,-1549,-1546,-1499,-1484,-1433,-29981,-29983]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Nf3 {LiveBook: 3 Games. B41: Sicilian: Kan Variation: 5 c4} (8. Bc2 Ne5 9. O-O d6 10. f4 Nxc4 11. Kh1 Bd7 12. Qe2 Qc7 13. e5 dxe5 14. fxe5 Nxe5 15. Bf4 Bd6 16. Rad1 {½-½ (33) Ivanisevic,I (2641)-Horvath,C (2497) Hungary 2017}) 8... d6 9. O-O Bxc3 $146 ({Predecessor:} 9... O-O 10. Bd2 h6 11. Rc1 e5 12. h3 Be6 13. a3 Bc5 14. b4 Ba7 15. Nd5 a5 {½-½ (26) Michiels,B (2442)-Kraemer,M (2456) Charleroi 2008}) 10. bxc3 {The position is equal.} Nd7 11. Be2 ({White should play} 11. Bc2 $14) 11... Nc5 $11 12. Qc2 O-O 13. Be3 Qc7 14. Rad1 b6 15. Nd2 e5 16. f4 (16. Bxc5 $11 {remains equal.} dxc5 17. Rfe1) 16... exf4 $1 $17 17. Rxf4 Ne5 18. Nb3 Ne6 19. Rh4 Bb7 20. Nd4 Nc5 21. Nf5 Rad8 22. Rd4 Ne6 23. Qc1 (23. Rd1 $17) 23... f6 (23... Nxd4 $19 24. cxd4 Ng6) 24. Qe1 Nxd4 25. cxd4 Ng6 $1 {[%cal Rg6h4]} 26. Rg4 Rfe8 27. Bd3 {[#]} Bc8 $1 28. Qg3 {[#]} Kh8 $1 29. Rxg6 (29. Bf2 $142) 29... hxg6 {[%cal Bh7g6,Bg6g5][%mdl 32]} 30. Nh4 $2 (30. Qxg6 $17 Bxf5 31. Qxf5) 30... g5 $19 31. Nf3 {[#]} b5 $1 32. c5 (32. cxb5 Qc3) 32... Qd7 33. d5 {and the idea c6 leaves White hopeful.} dxc5 34. Bxc5 Qg4 35. Qc7 Qf4 36. d6 $2 (36. Qxf4 gxf4 37. Bb6) 36... Bg4 37. Kf2 Bxf3 38. gxf3 g4 39. Be2 Qxh2+ 40. Ke1 gxf3 41. Bxf3 Rc8 42. Qf7 Rxc5 {Precision: White = 17%, Black = 69%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Islam, Kh  Aminul"]
[Black "Vishnu Prasanna. V"]
[Result "1/2-1/2"]
[ECO "A83"]
[WhiteElo "2296"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,88,0,0,8,39,27,43,43,58,82,60,39,58,69,75,48,69,0,64,13,15,18,8,12,22,0,25,0,0,0,0,-11,0,0,8,11,33,0,0,0,0,-56,-31,-76,-83,-87,-75,-123,-52,-127,0,-44,-40,-32,103,0,141,156,141,67,45,79,94,74,89,87,345,0,75,82,75,70,71,31,789,-79,-73]} 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4 d5 6. h5 Bg7 {A83: Dutch Defence: Staunton Gambit with 3 Nc3 Nf6 4 Bg5} (6... Bf5 7. Bxf6 exf6 8. g4 Be6 9. hxg6 Qd7 10. g5 fxg5 11. Qh5 Qg7 12. Qxg5 c6 13. Nge2 hxg6 14. Rxh8 Qxh8 {½-½ (38) Plat,V (2539)-Sopur,L (2394) Poronin 2017}) 7. h6 Bf8 {LiveBook: 3 Games} 8. Qd2 e6 {The position is equal.} 9. O-O-O Be7 10. f3 exf3 11. Nxf3 O-O 12. Re1 $146 {[%mdl 1024] White has compensation.} Nc6 13. Bb5 Nb4 14. Ne5 a6 15. Bd3 (15. Ba4 $1 $14) 15... Nxd3+ ({Better is} 15... Nd7 $1 $11 16. Nf3 Nb6) 16. Qxd3 (16. cxd3 $14 c6 17. Qe3) 16... Nd7 $11 17. Bxe7 Qxe7 18. Nf3 Nb6 19. Ne5 Bd7 20. Kb1 Rf6 21. b3 Raf8 22. Rh3 {[%cal Bh1h3,Bh3e3,Be3e2][%mdl 32]} Be8 23. Rhe3 Bd7 24. R3e2 Bc8 25. Qe3 Rf5 26. g4 Rf4 27. Nd3 (27. Qd2 $11) 27... Rxg4 $15 28. Rg1 Rxg1+ 29. Qxg1 Rf5 30. Kb2 Bd7 (30... Nd7 $17 31. a3 Nf6) 31. a4 ({White should try} 31. Qg3 $15 Qd6 32. Qe1) 31... Be8 (31... Nc8 $1 $17 32. Nc5 Nd6) 32. Qe1 Bf7 $1 33. Nc5 {[%cal Rc5e6]} e5 (33... Nd7 $15 {keeps the upper hand.} 34. Nxe6 Qf6) 34. a5 (34. Rxe5 $16 Rxe5 35. Qxe5 Qxe5 36. dxe5) 34... e4 (34... Nd7 $11 35. Nxd7 Qxd7 36. Rxe5 Qd6) 35. axb6 $16 cxb6 {[#]} 36. N5xe4 ({White should play} 36. Nd3 $1 $16 {[%mdl 512]}) 36... dxe4 $14 37. Nxe4 Qd8 38. Qd2 {Threatens to win with d5!} Bd5 39. Nc3 $1 Bc6 $2 {[%mdl 8192] [#]} (39... b5 $16 {might work better.}) 40. Qe3 $2 (40. d5 $1 $18 {[%mdl 512]}) 40... Qd6 (40... Qf6 $1 $11) 41. d5 Bd7 42. Qd4 {[%csl Gh6][%cal Rd4g7]} Qf6 43. Qc4 b5 $2 {[%mdl 8192]} (43... Qd6 $14) 44. Qb4 $2 ({Only move:} 44. Qc7 $18 Rf3 45. d6) 44... Rxd5 $1 {Precision: White = 39%, Black = 40%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Neelash Saha"]
[Black "Neelotpal, Das"]
[Result "1/2-1/2"]
[ECO "A45"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,104,20,14,14,8,28,27,60,27,48,44,41,43,58,43,44,31,33,10,18,-6,-6,-9,-18,-39,-18,-33,-31,-48,0,0,45,0,0,0,0,0,72,66,128,132,210,207,205,211,206,209,222,210,208,197,269,217,504,297,292,0,0,0,0,0,0,0,0,-41,-17,-37,-17,-17,-10,-26,-3,-8,0,0,0,-53,-6,-67,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 Ne4 3. Bf4 d5 4. f3 Nf6 5. e4 e6 6. e5 Nfd7 {A45: Damenbauernspiele (Trompowski-Angriff)} 7. Be3 c5 8. c3 Nc6 9. f4 $1 {LiveBook: 29 Partien} a6 (9... Qb6 10. Qd2 Be7 11. Nf3 O-O 12. Bd3 f5 13. O-O a6 14. Kh1 {1-0 (36) Moiseenko,A (2657)-Tari,A (2584) Doha 2016}) 10. Nf3 b5 $146 ({Vorgänger:} 10... Qb6 11. b3 f6 12. a3 cxd4 13. cxd4 fxe5 14. fxe5 Ncxe5 15. Nxe5 Nxe5 {0-1 (54) Vergara Duplaquet,P (2030)-Gamboa Gonzalez,A (2043) Barquisimeto 2016}) 11. Bd3 cxd4 12. cxd4 Nb4 13. Be2 Nb6 14. O-O Be7 15. a3 Nc6 16. Bd3 Bd7 17. Nc3 b4 18. Ne2 bxa3 19. bxa3 Na5 20. Nd2 O-O 21. Rf3 g6 22. Rh3 Bb5 23. Nf3 Na4 24. Bxb5 (24. Bc1 $5 {[%cal Rf4f5]}) 24... axb5 25. Ng5 Nc4 {...h6 ist eine echte Drohung.} 26. Bc1 $1 Bxg5 (26... h5 $1 $11) 27. fxg5 $16 {[#]} b4 $1 {[%mdl 512]} 28. Qe1 $1 ({Bitte nicht} 28. axb4 $6 Nc3 $11) 28... Nc3 (28... Nab6 $16) 29. Nxc3 $18 bxc3 {[#]} 30. Qh4 $1 {[%csl Gh3][%cal Rh4h7]} h5 {[#]} 31. g4 $1 Kg7 32. gxh5 gxh5 33. Rxc3 Rc8 (33... Rh8 $142 34. Rb1 Rh7) 34. Rf3 ({Viel schwächer ist} 34. Qxh5 $6 Rh8 $16) 34... Qb6 $2 (34... Rh8 {war angesagt.} 35. Qf4 Qe8) 35. Qf4 {zielt auf g6! ab.} Kg8 36. Bd2 $2 (36. Rg3 $18 Rc7 37. g6 fxg6 38. Rxg6+ Rg7 39. Rxg7+ Kxg7 40. Qh6+ (40. Qg5+ Kf7 $18) 40... Kf7 41. Bb2 (41. Qxh5+ Ke7 $14)) 36... Nxd2 $11 37. Qxd2 Rc2 $1 {[%cal Rc2d2]} 38. Qxc2 Qxd4+ 39. Kg2 Qxa1 {[%mdl 4096] Endspiel KDT-KDT} 40. Qe2 Qd4 41. Rf2 Qh4 $36 {[%mdl 2048] Schwarz drückt.} 42. Qe3 Ra8 {Weiss sollte ...Ta4 verhindern.} 43. Qf3 Qxg5+ 44. Kh1 {Droht Tg2 und aus.} Qxe5 {Und weiter mit ...De4 wäre nett.} 45. Qxf7+ Kh8 46. Qf3 (46. Rf6 $11 Qe4+ 47. Rf3) 46... Rg8 47. h3 ({Besser ist} 47. h4 $1 $11) 47... Qg5 (47... Rg7 $15) 48. Rg2 $1 {[%cal Rg2g5] Die Stellung ist ausgeglichen.} Qc1+ 49. Kh2 Qc7+ 50. Kh1 Qc1+ 51. Kh2 Qc7+ 52. Kh1 Qc1+ {Precision: Weiß = 62%, Schwarz = 41%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.20"]
[Round "7"]
[White "Sahoo Utkal Ranjan"]
[Black "Das, Sayantan"]
[Result "1/2-1/2"]
[ECO "E40"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,139,19,32,-14,-14,-11,3,-27,10,-15,-29,-20,-27,-37,0,0,0,10,30,25,22,23,22,27,34,13,56,56,52,55,56,61,53,53,60,72,95,95,95,97,97,97,98,67,73,75,75,64,64,64,64,64,64,64,84,81,89,100,112,105,118,125,318,313,317,316,293,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 d5 3. Nc3 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 c6 {E40: Nimzo-Indian: Rubinstein (4 e3): Unusual Black 4th moves} (6... O-O 7. Bd3 c6 8. Ne2 b6 9. O-O Ba6 10. cxd5 cxd5 11. Bxa6 Nxa6 12. Qd3 Qc8 13. f3 Nb8 14. e4 Qa6 15. Qe3 Nc6 {1-0 (52) Radjabov,T (2741)-Movsesian,S (2671) Heraklio 2017}) 7. a4 O-O {LiveBook: 19 Games} 8. Bd3 e5 $146 ({Predecessor:} 8... b6 9. Ba3 Re8 10. Nf3 Ba6 11. Ne5 Qc8 12. O-O Nbd7 13. f4 c5 14. Rc1 Qb7 15. Rf3 Rad8 {0-1 (40) Milov,V (2585)-Rozentalis,E (2605) Liechtenstein 1996}) 9. dxe5 dxc4 10. Bxc4 Qxd1+ 11. Kxd1 Ng4 12. Ke1 Nxe5 13. Be2 Bf5 14. Ba3 Rd8 15. Nf3 Nbd7 16. Nd4 Bd3 17. Bxd3 Nxd3+ 18. Ke2 N3e5 19. Rhb1 $36 {[%mdl 2048] White is pushing.} b6 20. f4 Nc4 21. Nxc6 Re8 22. Kd3 Nxa3 23. Rxa3 Nc5+ 24. Ke2 $1 Re6 25. Nd4 Re4 26. Kf3 Rae8 27. c4 R4e7 28. Rb2 g6 29. a5 bxa5 30. Nc6 Rc7 31. Nxa5 Rd8 32. Ke2 f5 33. Rb5 Rdd7 34. Rc3 Kf7 35. Nb3 Ne4 36. Rc2 Rd6 37. Nd4 Ra6 $2 (37... a6 $16) 38. c5 $18 {[%cal Bc4c5,Bc5c6][%mdl 32]} Ra3 39. c6 Nc3+ 40. Rxc3 $2 (40. Kf3 $18) 40... Rxc3 {[%mdl 4096] Endgame KRR-KRN. The position is equal.} 41. Rb7 Re7 42. Kd2 Rc5 43. Kd3 Kf6 44. h3 h5 45. g3 Rc1 46. Rb8 Rc7 47. Rf8+ Ke7 48. Rg8 {[#] And now Rg7+ would win.} Kf7 49. Rh8 Re7 50. Rb8 Rc5 51. Ra8 a5 52. Rb8 Rc1 53. Ra8 Rc5 54. Rb8 Kf6 55. Rf8+ Kg7 56. Rb8 Kf7 57. Ra8 Rc7 58. Rb8 Ke7 59. Rg8 {[#] Hoping for Rg7+.} Kf7 60. Rh8 {Strongly threatening Rh7+.} R5xc6 (60... Kf6 {feels hotter.} 61. Rf8+ Rf7 62. Ra8 Rc7 63. Rf8+) 61. Nxc6 Rxc6 $11 {KR-KR} 62. Ra8 Rd6+ 63. Kc4 Rd1 64. Rxa5 Rg1 65. g4 fxg4 66. hxg4 Rxg4 67. Kd4 Kf6 68. Ra6+ Kf5 69. Ra5+ Kf6 70. Ra6+ {Precision: White = 87%, Black = 65%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Karthikeyan, Murali"]
[Black "Rathnakaran, K."]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2617"]
[BlackElo "2377"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,71,35,19,65,60,64,63,63,30,83,83,68,84,100,81,95,90,92,84,85,0,0,0,0,0,0,0,0,0,0,0,0,-2,-2,-2,0,0,0,0,0,0,53,52,95,91,91,91,91,99,77,87,995,993,906,863,29975,29976]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 b6 7. Ne2 Ba6 8. Bxa6 Nxa6 9. Nf4 {LiveBook: 40 Games} Qc7 {Threatening ...cxd4. C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} (9... Nc7 10. O-O Be7 11. Qg4 g6 12. Nf3 c4 13. Nh3 b5 14. Bh6 f5 15. exf6 Nxf6 16. Qf4 Bd6 17. Ne5 Qe7 18. b3 Ne4 19. bxc4 bxc4 {0-1 (51) Ni,H (2710)-Korobov,A (2605) Beijing 2008}) 10. O-O cxd4 11. cxd4 Nb4 $146 {White is slightly better.} ({Predecessor:} 11... Rc8 12. Qg4 g6 13. Nxe6 fxe6 14. Qxe6+ Be7 15. Qxd5 Nb4 16. Qe4 Qc6 17. Qxc6 Rxc6 {0-1 (56) De Leon Justo,A (2054)-Gunter,D (2140) Lisbon 2001}) 12. Nf3 (12. Nb3 {looks sharper.} g6 13. Bd2 a5 14. Qg4 Qb7 15. Rfc1) 12... Qc2 (12... Be7 $1 $11 {remains equal.}) 13. Bd2 $16 Qxd1 14. Rfxd1 Nc6 15. Rdc1 $1 {[%cal Rc1c6]} Rc8 16. b4 $1 {[%cal Rb4b5] aiming for b5.} b5 17. a4 $1 {[%cal Ra4b5]} bxa4 18. Rxa4 (18. b5 $16 Ne7 19. Rxa4) 18... Nb6 $11 19. Raa1 {Hoping for Nd3.} Nxb4 20. Rxa7 Nc6 21. Rb7 Nc4 22. Nh5 Nd8 23. Ra7 Nc6 24. Ra6 Kd7 25. Be3 Bb4 26. h3 Ba5 27. Nxg7 h5 28. Bg5 Rh7 ({Better is} 28... Rcg8 $11) 29. Bf6 $14 Rg8 30. Nf5 $1 $36 {[%mdl 2048] White is in control.} exf5 {[#]} 31. Rxc4 $1 {[%mdl 512]} dxc4 32. d5 {[%cal Bd4d5,Bd5c6][%mdl 32]} Bd8 {And now ...Nb4 would win.} 33. dxc6+ ({But not} 33. Rxc6 Bxf6 34. exf6 Re8 $11) 33... Kc7 $2 {[%mdl 8192] [#]} (33... Kc8 $16) 34. Nd4 $1 $18 {[%cal Rd4b5]} Kb8 {[#]} 35. Nb5 $1 {Threatens to win with Bxd8.} Bc7 36. Ra7 {Precision: White = 84%, Black = 54%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Sandipan, Chanda"]
[Black "Short, Nigel D"]
[Result "1/2-1/2"]
[ECO "E52"]
[WhiteElo "2573"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,67,8,8,12,6,7,12,14,8,14,14,11,0,8,7,8,14,5,9,10,6,11,6,10,4,4,17,0,26,16,34,35,16,23,19,0,0,0,0,0,0,0,8,8,10,5,10,0,0,-6]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Bd2 O-O 6. Nf3 b6 7. cxd5 exd5 8. Rc1 Bb7 9. Bd3 Nbd7 10. O-O Be7 {LiveBook: 4 Games. E52: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5 6 Bd3 b6} 11. Be1 c5 12. Ne5 cxd4 13. Nxd7 {[#]} Qxd7 $146 ({Predecessor:} 13... Nxd7 14. exd4 Nf6 15. f3 g6 {1-0 (32) Fedoseev,V (2703)-Gajewski,G (2628) Khanty-Mansiysk 2017}) 14. Nb5 {[#] Strongly threatening Rc7.} Rfc8 15. Rxc8+ Rxc8 16. Nxd4 {Threatening Bf5.} g6 17. f3 Ne8 18. Bb5 Qd8 19. Bxe8 Qxe8 20. Bc3 Ba6 21. Re1 Bh4 22. g3 Be7 23. Ne2 Bb7 24. Nf4 Qb5 25. Qd4 {[%csl Gc3][%cal Rd4h8] [#]} f6 26. Rd1 {[%cal Rf4d5]} Kf7 27. Qd3 {The position is equal.} ({Don't go for} 27. Nxd5 $2 Rd8 $19) (27. h4 {is more complex.} Rd8 28. Rc1 Rc8 29. b3 Qc6 30. Bd2) 27... Qxd3 28. Rxd3 Rc5 29. Kf2 g5 30. Ne2 Ba6 31. Rd2 Bxe2 32. Kxe2 h5 33. Rd4 f5 34. Ra4 {Precision: White = 65%, Black = 71%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Sengupta, Deep"]
[Black "Narayanan, Srinath"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2563"]
[BlackElo "2525"]
[Annotator "TA"]
[PlyCount "20"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,20,2,0,26,25,35,-226,-225]} 1. d4 Nf6 2. Bg5 d5 3. e3 c6 4. Bd3 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6,Bg6d3,Bd3e2][%mdl 32]} (4... Qb6 5. b3 Nbd7 6. Nd2 e5 7. c3 Bd6 8. Ne2 Qc7 9. h3 O-O 10. Rc1 Re8 11. O-O a6 12. c4 exd4 13. exd4 dxc4 14. Nxc4 {½-½ (69) Jobava,B (2690)-Sjugirov,S (2650) Riadh 2017}) 5. Ne2 Nbd7 6. f3 {D00: 1 d4 d5: Unusual lines} Bh5 7. O-O Bg6 8. c4 {LiveBook: 3 Games} e6 9. cxd5 Bxd3 $146 ({Predecessor:} 9... cxd5 10. Nbc3 Be7 11. Nf4 Bxd3 12. Nxd3 O-O 13. Rc1 Nb6 14. b3 Rc8 15. Qd2 Ba3 16. Rb1 Bb4 17. Nxb4 {1-0 (17) Cruzado Duenas,C (2579)-Cinca,D (2376) ICCF email 2010}) 10. dxc6 $2 {[%mdl 8192] [#]} (10. Qxd3 $14 {was the only good move.} cxd5 11. e4) 10... Bxe2 $1 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Tukhaev, Adam"]
[Black "Deepan Chakkravarthy J"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2551"]
[BlackElo "2516"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,65,44,10,28,17,26,18,30,31,24,29,60,0,3,-29,-22,-105,-83,-91,-84,-74,-49,-139,-125,-289,-286,-212,-103,-67,-48,-72,-123,-416,-375,-1047,-1039,-875,-932,-1045,-1023,-989,-955,-29996,-29997,-29999]} 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 Be7 {B81: Sicilian Scheveningen: Keres Attack} 8. g5 Nfd7 9. Be3 b5 10. a3 Bb7 11. h4 Nc6 12. Nxc6 {LiveBook: 13 Games} Bxc6 13. Qd4 O-O $1 14. O-O-O Rb8 15. h5 $1 {[#]} e5 $146 16. Qd2 $1 f5 {Threatens to win with ...f4.} 17. gxf6 (17. f3 $14) 17... Nxf6 $11 18. Bd3 Kh8 19. Qe2 (19. Rdg1 $11 {remains equal.}) 19... b4 $17 20. axb4 Rxb4 21. b3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 22. Bd2 {[#]} (22. h6 $15 g6 23. f3) 22... Qa8 $1 23. Rhg1 $2 {[#]} (23. Kb2 $17) 23... a4 $1 $19 {[%cal Ra4b3]} 24. Nxa4 Rxa4 (24... Rbb8 $19 25. Bc3 Rfc8) 25. bxa4 $17 d5 $40 {[%mdl 128] And now ...Ba3+ would win. Black is up to no good.} 26. Bc3 $1 Ba3+ ({Better is} 26... d4 27. Bb2 Qxa4) 27. Kd2 $2 {[%mdl 8192]} (27. Bb2 $17 {was forced.} Bxb2+ 28. Kxb2 Qxa4 29. exd5 Rb8+ 30. Kc1 Qa3+ 31. Kd2 Qa5+ 32. Kc1 Bxd5 33. Qxe5 Rb1+ 34. Kxb1 Ba2+ 35. Kb2 Qxe5+ 36. Kxa2) 27... d4 $19 28. Ba1 $2 (28. Ke1 dxc3 29. Rg5) 28... Bb4+ 29. c3 dxc3+ 30. Bxc3 Bxc3+ 31. Kxc3 Qa5+ 32. Kc4 Bxa4 {[%cal Rf8c8]} 33. f3 Rc8# {Precision: White = 24%, Black = 72%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Vishnu Prasanna. V"]
[Black "Nguyen, Phuoc Tam"]
[Result "*"]
[ECO "B06"]
[WhiteElo "2532"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,80,-1,-22,80,95,91,44,81,13,27,37,39,45,76,92,92,108,141,137,176,179,208,197,208,89,153,147,147,0,0,0,0,0,0,0,0,22,4,0,124,117,116,123,227,220,266,239,217,200,199,199,192,80,361,134,488,-563,6183,3237,29991,29989,29992,29989,29992,101,98]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 a6 5. Nf3 Nd7 6. Bc4 {B06: Modern Defence} (6. Be3 b5 7. Bd3 b4 8. Ne2 c5 9. c3 bxc3 10. bxc3 Ngf6 11. O-O O-O 12. Rb1 Qa5 13. Kh1 Qc7 14. Ng3 {1-0 (55) Kravtsiv,M (2621)-Tkachiev,V (2658) Bastia 2015}) 6... e6 7. f5 Nb6 8. Bb3 exf5 9. O-O {LiveBook: 3 Games} d5 $146 (9... h6 $11) ({Predecessor:} 9... Ne7 10. Bg5 O-O 11. Qe1 h6 12. Qh4 Re8 13. Bxh6 d5 14. e5 Nd7 15. Ng5 Bxh6 16. Qxh6 Nf8 17. Rf4 {1-0 (17) Harika,D (2539)-Tan,Z (2502) Teheran 2017}) 10. exd5 $16 Nf6 {[%cal Bg8f6,Bf6e8,Be8d6,Bd6e4][%mdl 32]} 11. Qe1+ Kf8 $1 12. Qh4 (12. Qe2 $16) 12... h6 13. Ne5 {Threatens to win with d6!} g5 14. Qh3 $36 {[%mdl 2048] White has good play.} Ne8 15. Bd2 Nd6 16. Rae1 Nd7 17. Nd1 Nf6 18. c4 Nde4 19. Bb4+ Kg8 20. c5 (20. Qd3 $18) 20... a5 (20... Nxd5 $142 21. Ne3 Bxe5 22. dxe5 Nxb4 23. Nxf5 Nxc5 24. Bxf7+ Kxf7 25. e6+ Nxe6 26. Qh5+ Kf6 27. Nxh6+ Ke7) 21. d6 Be6 {[#]} 22. Nxf7 (22. d5 $1 $16 {[%cal Rd5e6][%mdl 512]} Nxd5 {[#]} (22... Bxd5 23. Bxd5) 23. Nxf7 $1 {[%mdl 512]} Bxf7 24. Qxf5) 22... Bxf7 $11 23. Bxf7+ Kxf7 24. Qxf5 Re8 $1 25. Rxe4 Rxe4 26. Qxe4 axb4 27. Qxb7 {Black must now prevent Ne3.} Kg6 (27... Qc8 $11 {keeps the balance.} 28. Qxb4 cxd6) 28. dxc7 $16 Qc8 29. Qf3 {And now Ne3 would win.} Ra7 (29... Kh7 $16) 30. Qd3+ $18 Kf7 31. Ne3 Rxc7 32. Nd5 Rc6 33. Nxb4 Re6 34. Nd5 (34. a4 $18) 34... Qd8 $2 {[%mdl 8192]} (34... Kg8 $16 35. Ne3 Qb7) 35. Ne3 $2 (35. Qc4 $18 {has better winning chances.}) 35... Qb8 $2 {[%mdl 8192]} (35... Kg8 $16 36. Qc4 Qe8) 36. Qb3 $4 {[%mdl 8192]} (36. d5 $18 {is the narrow road to win.} Re8 37. d6) 36... Kg6 $4 {[%mdl 8192]} (36... Qxb3 $19 37. axb3 Rxe3) 37. Qxb8 Ng4 38. Qg8 Re7 39. Qd5 Kh7 40. Qe4+ $2 (40. Nxg4 {mates} h5 41. Qxg5 Kh8 42. Nf6 Bxf6 43. Rxf6 Re1+ 44. Kf2 Rf1+ 45. Kxf1 Kh7 46. Rh6#) 40... Rxe4 {Precision: White = 43%, Black = 27%.} *

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Burmakin, Vladimir"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "2528"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,62,3,17,0,0,3,11,6,10,10,16,0,0,0,0,0,0,0,0,0,0,0,-4,-10,0,0,7,0,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c3 Nf6 3. d4 cxd4 4. cxd4 d5 5. Nc3 Nc6 6. Bf4 Ne4 7. e3 Nxc3 8. bxc3 e6 9. Bd3 Bd6 {D13: Slav Defence: Exchange variation without ...Bf5} 10. Bxd6 Qxd6 11. O-O O-O {LiveBook: 14 Games. The position is equal.} 12. Rc1 b6 (12... e5 13. dxe5 Nxe5 14. Be2 Rd8 15. Nxe5 Qxe5 16. Qb3 b6 17. c4 {½-½ (31) Wang,Y (2718)-Mamedyarov,S (2743) Tromsoe 2014}) 13. c4 dxc4 14. Rxc4 $146 {[#] Threatens to win with Qc2.} ({Predecessor:} 14. Bxc4) 14... Bb7 15. Qb1 {Strongly threatening d5.} Na5 16. Rc3 g6 17. Rfc1 Rac8 18. Nd2 Rxc3 19. Rxc3 e5 20. dxe5 Qxe5 21. Qc2 Rd8 22. Be2 h5 23. h3 Rd7 24. Nf3 Bxf3 25. Bxf3 Nb7 26. Rc8+ Kg7 27. Qa4 Qa1+ 28. Kh2 Qe5+ $1 29. Kg1 Qa1+ 30. Kh2 Qe5+ $1 31. Kg1 Qa1+ {Precision: White = 81%, Black = 67%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Shyam, Sundar M"]
[Black "Rozum, Ivan"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2518"]
[BlackElo "2581"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,125,18,27,0,0,-9,-10,0,7,0,3,-27,-27,-27,-29,-18,-18,-28,0,-9,-2,-13,0,0,0,0,5,0,23,19,35,0,0,0,477,473,454,286,293,292,285,285,239,239,233,192,191,209,209,209,239,224,235,235,231,231,224,222,230,229,228,217,279,283,273,264,289,289,289,282,283,279,312,297,352,334,322,0,281,280,334,334,334,330,29938,5212,29949,29948,12752,1092,12693,11218,29960,29960,29954,29957,29955,29956,29953,12417,29969,29971,29971,29972,29971,29973,29971,29972,29975,29976]} 1. Nf3 g6 2. e4 Bg7 3. d4 d6 4. c3 Nf6 5. Bd3 O-O 6. O-O Nc6 7. d5 Nb8 {B07: Pirc-Ufimzew-Verteidigung} 8. h3 e5 9. dxe6 Bxe6 {LiveBook: 4 Partien. Die Stellung ist ausgeglichen.} 10. c4 Nc6 11. Nc3 Nd7 $146 {[%cal Bf6d7,Bd7e5,Be5d3][%mdl 32]} ({Vorgänger:} 11... Ne5 12. Nxe5 dxe5 13. Be2 c6 14. Be3 Qe7 15. Qa4 {½-½ (49) Aronian,L (2815)-Giri,A (2720) Beijing 2012}) 12. Bg5 f6 13. Be3 Nde5 14. Nd5 Nxd3 15. Qxd3 Ne5 16. Nxe5 dxe5 17. Bc5 Rf7 18. Rad1 Rd7 {Droht stark ...c6.} 19. Qf3 Kf7 20. Qb3 b6 21. Ba3 Bh6 22. Qb5 Qc8 23. Qc6 $36 {[%mdl 2048] Weiss hat Druck.} Rb8 24. c5 bxc5 25. Qxc5 Qb7 $2 {[%mdl 8192] [#]} (25... Bf8 $11 {und Schwarz ist OK.} 26. Qxf8+ (26. Qxa7 $2 c6 $19) 26... Qxf8 27. Bxf8 Rxf8) 26. Nxf6 $1 $18 {[%mdl 512]} Rd6 (26... Kxf6 27. Rxd7) 27. Ng4 (27. Qxe5 Bg7 $18) 27... Bxg4 28. hxg4 Qc6 29. Qxe5 (29. Rxd6 Qxc5 30. Rd7+ (30. Bxc5 cxd6 31. Ba3 Rb6 $16) 30... Ke6 $16) 29... Re8 30. Rxd6 cxd6 31. Qd5+ (31. Qxd6 $6 Qxd6 32. Bxd6 Rxe4) 31... Qxd5 32. exd5 {[%mdl 4096] Endspiel KTL-KTL} Re2 33. Rd1 ({Finger weg von} 33. Bxd6 $6 Rxb2 34. f4 Rd2 $16) 33... Ke7 34. Kf1 Rc2 35. Re1+ Kd7 36. Re6 Bf8 37. Re4 Bg7 38. Ra4 a5 39. Ke1 ({Keinesfalls} 39. Rxa5 $6 Bd4) 39... h5 40. gxh5 gxh5 41. Rxa5 {Schwarz muss nun Ta7+ beachten.} Bd4 42. Ra6 Rxf2 43. Rxd6+ Kc7 44. Rc6+ Kb7 45. Rg6 Rc2 46. Kd1 Rf2 47. Ke1 Rc2 $1 48. Rg5 Bxb2 49. Bxb2 Rxb2 {KT-KT} 50. Kf1 (50. Rxh5 Rxg2 51. a3 Kb6 $11) 50... Rxa2 $2 (50... h4 $18 51. a3 Rd2) 51. Rxh5 Kc7 52. Kg1 Kd6 53. Kh2 (53. Rf5 $142 Kc5 54. Kh2) 53... Ra8 54. Rf5 Kc5 55. Kg3 Ra4 56. Kh3 Ra8 57. g4 {[%cal Bg2g4,Bg4g5,Bg5g6][%mdl 32]} Kd4 58. d6 Rd8 59. g5 {Weiß setzt Matt.} Rxd6 60. Kg4 Ke4 61. Ra5 Rc6 62. Kh5 Kf4 63. g6 {Precision: Weiß = 81%, Schwarz = 42%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Tran, Tuan Minh"]
[Black "Raghunandan, Kaumandur Srihari"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "2512"]
[BlackElo "2400"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,82,27,24,18,36,-118,-115,-101,-67,-84,-93,-90,-125,-91,-33,-48,0,0,0,0,0,0,0,0,0,0,0,0,0,-20,0,0,0,0,0,0,0,-425,-425,-600,-560,-564,-562,-764,-740,-775,-750,-896,-889,-871,-870,-852,-777,-743,-714,-924,-881,-879,-864,-862,-857,-1004,-990]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bd3 O-O 6. Nge2 c5 7. d5 e6 8. Bg5 h6 {E70: Königsindisch (Weiß spielt früh e2-e4)} 9. Bh4 exd5 10. exd5 Nbd7 11. f4 g5 {LiveBook: 9 Partien} 12. fxg5 Ng4 {[#] Droht ...Se3 und aus.} 13. O-O $146 (13. Bg3 $14 {bleibt weiter vorne.}) ({Vorgänger:} 13. Qd2 Nde5 14. Ne4 hxg5 15. Bxg5 f6 16. Bf4 {1-0 (40) Mastrovasilis,A (2555)-Naiditsch,A (2696) Baku 2016}) 13... hxg5 $17 14. Bg3 Nde5 15. Bxe5 Bxe5 16. Ng3 Bxg3 ({Doch nicht} 16... Bd4+ $6 17. Kh1 $11) 17. hxg3 {[#]} f5 (17... Kg7 $1 $17 18. Qe1 Rh8) 18. Qd2 $1 $15 Bd7 19. Rae1 $1 Qf6 20. Ne4 {[%cal Bc3e4,Be4f2,Bf2h3,Bh3f4][%mdl 32]} Qd4+ 21. Nf2 Qg7 22. Nh3 Ne5 23. Be2 g4 $36 {[%mdl 2048] Schwarz kämpft um Vorteil.} 24. Nf4 Rae8 25. Qa5 Nxc4 26. Bxc4 {Droht stark Dd2.} Qd4+ 27. Kh2 Qh8+ 28. Kg1 {Dd2 ist eine echte Drohung.} Qd4+ 29. Rf2 $2 {[%mdl 8192]} (29. Kh2 $11 Qxc4 30. Qc7) 29... b6 $19 {[%cal Bb7b6,Bb6a5][%mdl 32] Schwarz steht klar auf Gewinn.} ({Schlechter ist} 29... Qxc4 30. Rxe8 Rxe8 31. Qc7 $11) 30. Rxe8 (30. Qd2 $142 Qxd2 31. Rxd2 Rxe1+ 32. Kf2) 30... bxa5 31. Rxf8+ Kxf8 32. b3 a4 33. Bb5 Ke7 34. Bc6 axb3 35. axb3 Kd8 36. Bb5 Qe3 37. Bc4 Qxg3 38. Ne2 Qe3 39. Kf1 Kc7 40. g3 Kb6 41. Kg2 Bb5 {Precision: Weiß = 46%, Schwarz = 84%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Rahman, Ziaur"]
[Black "Sangma, Rahul"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2495"]
[BlackElo "2295"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,73,-16,57,0,41,12,79,81,119,119,121,106,116,122,127,97,94,95,99,85,102,24,37,25,45,21,22,-6,-10,-11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,6,6,6,0,0,0,0,0,6,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 (5. c3 e6 6. Nbd2 Bd6 7. dxc5 Bxc5 8. Bd3 h6 9. Qe2 Nh5 10. Bg3 Nxg3 11. hxg3 Bd7 12. e4 dxe4 13. Nxe4 Be7 14. g4 Qc7 15. g5 O-O-O 16. gxh6 gxh6 {½-½ (101) Mamedyarov,S (2809)-Nakamura,H (2787) Moscow 2018}) 5... Qb6 6. dxc5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Qxb2 7. Rb1 Qc3 8. Bb5 Qxc5 {LiveBook: 4 Games} (8... e6 $11) 9. c4 ({Better is} 9. O-O $14) 9... a6 (9... dxc4 {is interesting.} 10. Bxc4 e6 11. O-O Be7 12. Rb5 Qa3) 10. Bxc6+ bxc6 (10... Qxc6 $11 11. O-O Bg4) 11. O-O $16 e6 12. Qa4 Be7 $146 {[#]} ({Predecessor:} 12... Bd7) 13. cxd5 $1 exd5 14. Rfc1 Qa7 15. Ne5 O-O 16. Nxc6 Qd7 17. Bg5 h6 18. Nxe7+ (18. Bh4 $16) 18... Qxe7 $11 19. Qc6 Be6 20. Bxf6 Qxf6 {The position is equal.} 21. Qb6 d4 22. exd4 Rfd8 23. Nf3 Bxa2 24. Qxf6 gxf6 25. Ra1 Bd5 26. Nd2 Be6 27. Ra4 Bd7 28. Ra5 Bb5 29. Nb3 Rac8 30. Rxc8 Rxc8 {[%mdl 4096] Endgame KRB-KRN} 31. f3 Rd8 32. Kf2 Bc4 33. Nd2 Rxd4 34. Ne4 Bb5 35. Nxf6+ Kg7 36. Ne4 Ra4 37. Rxa4 {Precision: White = 54%, Black = 62%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Erigaisi Arjun"]
[Black "Lalith Babu M R"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2488"]
[BlackElo "2531"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,45,56,59,88,38,31,33,47,62,64,11,39,39,44,39,39,44,43,32,120,87,75,85,89,12,49,56,46,39,167,161,561,516,573,317,542,362]} 1. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 h6 (4... Qxb2 5. Bd2 Qb6 6. e4 d6 7. f4 e5 8. Nf3 Nbd7 9. Rb1 Qd8 10. Bc4 a6 11. fxe5 Nxe5 12. Nxe5 dxe5 13. a4 Bd6 14. O-O h6 15. Qf3 Rb8 {½-½ (60) Rapport,R (2707)-Bu,X (2730) Riadh 2017}) 5. Bd2 d6 6. e4 {LiveBook: 3 Partien. A45: Damenbauernspiele (Trompowski-Angriff)} e5 7. dxe6 $146 ({Vorgänger:} 7. f4 exf4 8. Nf3 Bg4 9. Bxf4 Nbd7 10. Qd2 g5 11. Bg3 Nh5 12. Bf2 Bg7 13. Bb5 Nf4 14. Be3 O-O-O 15. Bxd7+ Bxd7 16. O-O Qxb2 17. Bxf4 Bxc3 18. Qd3 Bb5 {0-1 (18) Cordes,H (2291)-Schlamp,R (2292) Germany 1999}) 7... Bxe6 8. Nge2 {Weiß steht etwas besser.} Nc6 9. Nf4 O-O-O 10. Bd3 ({Viel schwächer wäre} 10. Nxe6 fxe6 11. Be2 d5 $11) ({Lieber} 10. a4 $14) 10... g5 11. Nfd5 Bxd5 $1 12. Nxd5 Nxd5 13. exd5 Re8+ 14. Be3 $1 Ne7 (14... Ne5 $14) 15. Qf3 $36 {[%mdl 2048] Schwarz muss aufpassen.} Bg7 16. O-O Rhf8 17. h4 (17. Rab1 $16) 17... f5 18. hxg5 hxg5 19. Bxg5 Qxb2 (19... Kb8 $14) 20. Rab1 $18 Qc3 $2 {[#]} (20... Qxa2 {leistet mehr Widerstand.} 21. Bb5 Qxd5) 21. Rb3 Qe5 22. Bb5 f4 $2 (22... Rh8 23. Bf4 Qxd5 24. Bxe8 Rxe8 25. Bxd6 Qxd6) 23. Qh3+ {Precision: Weiß = 53%, Schwarz = 13%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Iniyan, P."]
[Black "Rajdeep Sarkar"]
[Result "1-0"]
[ECO "A50"]
[WhiteElo "2469"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,95,36,43,41,41,45,75,66,106,106,119,110,125,95,86,73,83,57,166,89,101,92,102,63,117,28,200,179,180,168,163,158,154,93,88,66,191,58,58,50,58,59,58,55,58,54,58,60,39,39,41,40,74,73,88,88,98,85,151,90,169,135,141,139,149,135,309,292,747,735,5106,5106,4810,4798,29979,29981,29983,29984,29988,29986,29986,29987,29990,29991,29996,29997]} 1. d4 e6 2. c4 b6 3. a3 Bb7 4. Nc3 Nf6 5. d5 d6 (5... Qe7 6. Bg5 h6 7. Bh4 d6 8. e3 Nbd7 9. Rc1 c5 10. Nb5 Ne5 11. Bxf6 gxf6 12. Qa4 Kd8 13. Nc3 {0-1 (50) Karpov,A (2623)-Hou,Y (2654) Harbin 2018}) 6. e4 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} Nbd7 {LiveBook: 3 Games} 7. Be3 g6 $146 ({Predecessor:} 7... e5 8. b4 Be7 9. Bd3 c5 10. dxc6 Bxc6 11. f3 O-O 12. Nge2 a5 13. O-O axb4 14. axb4 {1-0 (55) Drazic,S (2436)-Yordanov,L (2246) Novi Sad 2017}) 8. f3 {White is slightly better.} h5 9. Qd2 h4 10. Nh3 Nh5 11. Be2 a6 12. O-O-O Bg7 13. Kb1 Qe7 14. Rhe1 Kf8 (14... O-O-O $14) 15. Rg1 (15. dxe6 $18 fxe6 16. Ng5) 15... Kg8 16. dxe6 fxe6 17. Bg5 Bf6 (17... Qf7 $14) 18. f4 (18. g4 $16 hxg3 19. Bxf6 Qxf6 20. hxg3) 18... Bxg5 $2 (18... Bxc3 $1 $11 {and Black stays safe.} 19. Qxc3 (19. Bxe7 Bxd2 20. Rxd2 Re8 $15) 19... Bxe4+ 20. Ka2 Qf7) 19. Nxg5 $18 (19. fxg5 Ne5 $11) 19... Nhf6 {[%cal Bh5f6,Bf6g4,Bg4f2][%mdl 32]} 20. e5 dxe5 21. Qd3 Rh6 22. fxe5 ({Better is} 22. Qe3) 22... Nxe5 $16 23. Qe3 Neg4 (23... Nfg4 $14 24. Bxg4 Nxg4 25. Qxe6+ Qxe6 26. Nxe6 Ne3) 24. Bxg4 (24. Qxe6+ $6 Qxe6 25. Nxe6 Rh7 $16) ({White should play} 24. Qc1 $18) 24... Nxg4 $14 25. Qf4 Nf2 $1 {[%cal Rf2d1]} 26. Rdf1 (26. Qxf2 Qxg5 27. Rd7 Qf5+ 28. Qxf5 exf5 $11) 26... Rf8 $1 {[%cal Rf8f4]} 27. Qe3 $1 Rh5 $1 28. Qxe6+ Qxe6 29. Nxe6 Rff5 30. Nxc7 Ne4 31. Kc2 Rxf1 32. Rxf1 Nxc3 33. Kxc3 {aiming for Rf6.} Bxg2 {[%mdl 4096] Endgame KRB-KRN} 34. Rf6 Be4 (34... g5 $142) 35. Kd4 (35. Rxb6 $142 Rg5 36. Rb8+ (36. Rxa6 Rg2 $16) 36... Kh7 37. Re8 (37. Nxa6 Rg2 $16)) 35... Bb1 (35... Bf5 $16) 36. Rxb6 {Hoping for c5.} Rg5 37. Nd5 Rg2 38. h3 ({Resist} 38. Rxa6 $6 Rxh2 39. b4 h3 $11) 38... Rg3 $2 {[#]} (38... Kg7 $16 {is a better defense.} 39. Nf4 Rg3) 39. c5 $1 $18 {[%cal Rc5c6]} ({Don't take} 39. Rxa6 $6 Rxh3 40. c5 Rd3+ 41. Ke5 Rd2 $18) 39... Rxh3 $2 (39... Kg7 40. c6 Bf5) 40. c6 {And now c7 would win.} Kg7 41. c7 Bf5 {[#]} 42. Rxg6+ $1 {[%mdl 512]} Bxg6 43. c8=Q {White mates.} Rd3+ 44. Ke5 h3 45. Qc7+ Bf7 46. Ne7 h2 47. Nf5+ Kf8 48. Kf6 {Precision: White = 43%, Black = 33%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Nguyen, Van Huy"]
[Black "Sahoo, Utkal Ranjan"]
[Result "1/2-1/2"]
[ECO "E15"]
[WhiteElo "2462"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "199"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,199,27,19,19,19,18,95,48,54,2,91,91,91,91,91,91,91,91,91,91,91,91,91,91,91,91,95,87,93,85,93,85,85,0,85,78,93,64,64,64,95,85,93,91,96,93,93,93,93,91,95,95,110,110,144,151,162,126,140,118,135,93,110,110,110,110,110,110,110,93,110,95,95,95,106,102,103,102,102,108,154,110,110,110,222,222,222,222,222,222,222,222,222,93,95,0,221,222,285,222,228,37,93,93,107,118,285,95,146,96,107,98,148,124,125,93,93,0,114,107,119,93,93,93,93,54,54,54,55,55,75,54,60,52,64,54,75,53,86,54,75,58,58,58,66,58,62,8,8,8,11,8,8,8,8,8,12,8,12,9,43,46,46,47,50,50,54,46,29988,732]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Rd1 b6 10. b3 Ba6 11. a4 Rc8 12. a5 {E15: Queen's Indian: 4 g3 sidelines, 4 g3 Ba6 and 4 g3 Bb7 early deviations} c5 13. axb6 Qxb6 14. Qa2 Bb7 15. Ba5 Qa6 16. Qb2 dxc4 {LiveBook: 3 Games} 17. bxc4 Bxf3 18. Bxf3 {[#]} Qxc4 $146 (18... cxd4 $11 {remains equal.} 19. Bd8 Qd6 20. Bxe7 (20. Rxd4 Qb4 $11) 20... Qxe7) ({Predecessor:} 18... cxd4 19. Bd8 Qd6 20. Bxe7 Qxe7 21. Rxa7 {1-0 (38) Wang,Y (2718)-Wang,H (2717) Huaian 2016}) 19. Nd2 Qxd4 20. Qb7 (20. Bc3 $14 Qd6 21. Rxa7) 20... c4 (20... Rb8 $1 $11 {keeps the balance.} 21. Qxa7 Bd8) 21. Ne4 $16 Qe5 22. Nxf6+ Bxf6 23. Qxd7 c3 {aiming for ...c2.} 24. Rdc1 c2 25. Ra2 $1 ({Inferior is} 25. Qxa7 Qxa1 26. Rxa1 Bxa1 $17) 25... Bg5 26. e3 Bxe3 27. Rcxc2 Rxc2 28. Rxc2 Bxf2+ 29. Rxf2 Qxa5 30. Kg2 g6 31. Bg4 {Hoping for Bxe6!} Qb4 32. Bf3 (32. Bd1 $16) 32... a5 (32... Qa5 $1 $11) 33. Qa7 a4 34. Ra2 Rd8 35. Qxa4 Qc3 36. Qc2 Qe3 37. Qf2 Qc3 38. h4 h5 39. Rc2 Qe5 40. Qe2 Qa5 41. Qe3 Kg7 42. Rf2 Rd7 43. Bc6 Rc7 44. Qd4+ Kh7 45. Qd8 Qe5 46. Bf3 Ra7 47. Qf8 Qg7 48. Qc5 Qa1 49. Qc4 Qe5 50. Re2 Qf6 51. Qb3 Rc7 52. Rf2 {Black must now prevent Bxh5!} Qe5 53. Qb8 {Bxh5! is the strong threat.} Kg7 54. Bc6 Qd6 55. Qb2+ Kh7 56. Be4 Ra7 57. Qf6 Qe7 (57... Rd7 $16 58. Bc2 Qc6+ 59. Kg1 Qd6) 58. Qe5 $1 $18 Kg8 59. Rb2 {And now Rb8+ would win.} Rd7 60. Bc6 $1 {[%cal Rc6d7]} Rd8 61. Rb7 $1 {[%cal Rb7e7]} Qf8 62. Bd7 (62. Qf4 $1 $18 {is more deadly.}) 62... Qe7 $16 63. Bc6 (63. Qc7 $16) 63... Qf8 $1 $18 {[#]} 64. Qf4 $1 Qg7 65. Bd7 Qc3 {[#] Strongly threatening ...Rxd7!} 66. Rc7 $2 (66. Be8 $1 $18 {[%mdl 512]} Qc2+ (66... Rxe8 67. Qxf7+) 67. Kh3 Qf5+ 68. Qxf5 exf5 69. Bxf7+ Kg7 70. Bc4+ Kf6 71. Rb6+ Kg7 72. Kg2) 66... Qb2+ (66... e5 $1 $14 67. Rxc3 exf4) 67. Kh3 $16 {White threatens Bxe6! and mate.} Qa1 {[%cal Ra1h1]} 68. Bc6 Qg7 $2 (68... Rf8 $16 69. Qf3 Qe5) 69. Qg5 $2 (69. Re7 $18 {Threatens to win with Be8.} Qf8 70. Qf6) 69... Rf8 ({Black should try} 69... Qd4 70. Be4 Rf8) 70. Be4 Qa1 71. Qf4 Qg7 72. Bg2 Qa1 73. Bf1 Kg7 74. Bg2 Kg8 $1 75. Rc5 Kg7 76. Qf3 Qf6 77. Qe2 (77. Qe3 {seems wilder.} Rb8 78. Rc4 Rb5 79. Rf4 Rf5 80. Rxf5 Qxf5+ 81. Kh2) 77... Rb8 78. Qe5 (78. Be4 {is interesting.} Qd4 79. Rc7 Rb3 80. Bf3 Qf6 81. Kg2) 78... Qxe5 79. Rxe5 $14 {[%mdl 4096] Endgame KRB-KR} Rb2 80. Ra5 Rf2 81. Kh2 Rb2 82. Ra3 Rc2 83. Kg1 Rb2 84. Bf3 Kf6 85. Re3 Ra2 86. Be2 Rb2 87. Kf2 Rb4 88. Rf3+ Kg7 89. Ke3 (89. Rc3 $14) 89... Rb3+ $11 90. Bd3 {Threatening Kd4.} f5 91. Kd4 Kf6 92. Kc4 Ra3 93. Kb4 Ra1 94. Bc4 e5 95. Kc5 Rg1 96. Ra3 f4 97. gxf4 exf4 98. Kd4 Rh1 99. Ra6+ Kf5 $2 {[%mdl 8192]} (99... Kg7 $14) 100. Be6+ {[%mdl 32768] Precision: White = 39%, Black = 49%. . An unexpected result.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Khusenkhojaev, Muhammad"]
[Black "Srijit Paul"]
[Result "1-0"]
[ECO "A89"]
[WhiteElo "2456"]
[BlackElo "2347"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,131,27,69,22,28,23,34,22,24,12,56,34,59,29,20,32,47,58,56,45,92,91,120,122,129,72,50,53,52,61,74,73,77,51,51,72,169,82,100,92,101,101,97,77,85,89,90,76,93,87,83,85,88,71,62,65,81,81,137,137,164,163,142,132,179,163,226,226,247,227,233,172,243,220,337,337,337,337,332,320,294,287,395,390,425,422,404,406,438,434,434,428,454,438,431,431,424,426,411,402,397,389,505,505,505,505,497,484,484,470,436,434]} 1. Nf3 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. O-O O-O 6. Nc3 d6 7. d4 Nc6 8. d5 Na5 9. Qa4 c5 10. dxc6 Nxc6 11. Rd1 Ne4 {LiveBook: 15 Games. A89: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 Nc6} (11... Qb6 12. Qc2 Ng4 13. e3 Nf6 14. Nd4 Bd7 15. b3 Kh8 16. Bb2 Rac8 17. Qe2 Rce8 18. Rac1 Ne5 19. Nd5 Nxd5 20. Bxd5 e6 21. Bg2 Nf7 22. c5 Qa5 23. Bxb7 e5 24. c6 exd4 25. cxd7 Rb8 26. Bc6 {1-0 (26) Bacrot,E (2722)-Mamedov,R (2660) Shamkir 2014}) 12. Ng5 Nc5 13. Qc2 h6 {Threatens to win with ...Nb4.White has an edge.} 14. Nf3 $146 ({Predecessor:} 14. Be3 Qe8 15. Nf3 g5 16. Nd5 Qf7 17. h4 f4 18. Bxc5 dxc5 19. hxg5 fxg3 20. fxg3 hxg5 {½-½ (52) Krzyzanowski,W (2156)-Hrvacic,P (2033) LSS email 2008}) 14... Nb4 15. Qb1 Bd7 16. Be3 Rc8 17. Qc1 Kh7 18. Qd2 Be6 19. b3 Bf7 20. Rab1 a5 21. Nd4 Rb8 22. a3 Nba6 23. b4 (23. h4 $142) 23... axb4 $16 24. axb4 Nd7 25. Bd5 Nc7 26. Bxf7 Rxf7 27. Nd5 Ne5 28. Qa2 Kg8 (28... Ng4 $16) 29. Nf4 (29. Nxc7 $1 $18 {is more deadly.} Qxc7 30. c5) 29... Ra8 {[#]} 30. Qb3 $1 Qd7 {[#]} 31. c5 $1 Qa4 32. Nde6 Qxb3 33. Rxb3 Nxe6 34. Nxe6 Nc4 35. Bf4 g5 36. Rc1 Ra1 37. Rxa1 ({Of course not} 37. Nxg7 $6 Rxc1+ 38. Bxc1 Kxg7 $11) 37... Bxa1 38. Bc1 Rh7 39. Rf3 dxc5 ({Black should play} 39... Bf6) 40. Rxf5 {[%csl Ge6][%cal Rf5f8]} Rf7 41. Rxc5 Nd6 42. Rc7 b5 43. Be3 Be5 (43... Rf6 {was called for.}) 44. Kg2 $18 Ne4 45. Rb7 Nc3 46. Nd4 Bd6 (46... e6 $142 47. Rb6 Bxd4 48. Bxd4 Nxe2) 47. Bd2 Bxb4 (47... e5 {might work better.} 48. Rxf7 (48. Nxb5 Rxb7 49. Nxd6 Rc7 $14) 48... Kxf7 49. Bxc3 exd4 50. Bxd4 Bxb4) 48. Nc6 ({Less strong is} 48. Nxb5 Nxb5 49. Bxb4 Nd4 $18) 48... Bc5 49. Bxc3 Rxf2+ 50. Kh3 Rxe2 51. Rxb5 Bg1 52. Rb2 Re4 53. Ne5 h5 54. Kg2 Bd4 55. Bxd4 Rxd4 {[%mdl 4096] Endgame KRN-KR} 56. Re2 Rd5 57. Nc6 Rc5 58. Nd4 Kf7 59. Nf3 Kf6 60. h4 gxh4 61. Nxh4 e5 62. Nf3 {White is clearly winning.} Kf5 63. Kh3 e4 64. Nd2 Re5 65. Kh4 Re8 {[#]} 66. Rxe4 $1 {[%mdl 512] Precision: White = 76%, Black = 47%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Neelotpal, Das"]
[Black "Vaishali R"]
[Result "*"]
[WhiteElo "2452"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,52,62]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 {LiveBook: 107 Games} {Predecessor:} 8. Bb5 $146 Bd7 9. Nde2 Be6 10. f4 Bg7 11. Ng3 a6 12. Ba4 O-O 13. f5 Bc8 14. Bb3 b5 15. O-O Bb7 16. Kh1 Rc8 17. Bd5 Qb6 18. Nce2 Ne7 19. Bxb7 Qxb7 20. c3 Rfd8 21. Qb3 Qc6 {1-0 (21) Gonzalez Vidal,Y (2546)-Perelshteyn,E (2518) Merida 2017} *

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Neelotpal, Das"]
[Black "Vaishali, R."]
[Result "1-0"]
[ECO "B60"]
[WhiteElo "2452"]
[BlackElo "2316"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,63,38,39,32,39,43,35,40,41,41,11,35,22,20,11,11,-27,0,0,0,0,0,0,7,-4,-3,-3,-3,-3,-3,-3,-4,-4,-4,-4,-6,-2,0,0,0,0,16,13,10,10,0,0,390,394]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 g6 7. Bxf6 exf6 8. Bb5 {B60: Sicilian: Richter-Rauzer: Unusual Black 6th moves and 6...Bd7 without 7 Qd2} Bd7 9. O-O {LiveBook: 14 Games} a6 10. Bc4 {White is slightly better.} Bg7 11. Nde2 b5 12. Bb3 b4 13. Na4 $146 (13. Nd5 {keeps more tension.} a5 14. Ne3 a4 15. Bc4 Qb8 16. Rb1) ({Predecessor:} 13. Nd5 O-O 14. a3 f5 15. exf5 Bxf5 16. axb4 Bxb2 {½-½ (26) Adamson,R (2344)-Gurevich,D (2515) Las Vegas 2005}) 13... Qb8 14. Qd5 O-O 15. Rfd1 Ne5 16. Ng3 Bc6 17. Qxd6 Qxd6 18. Rxd6 Bxa4 19. Bxa4 Nc4 20. Rc6 Nxb2 21. Bb3 Rfc8 22. Rxc8+ $1 Rxc8 23. a3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32] [#] And now ...a4 would win.} 24. axb4 a4 25. Bd5 Rxc2 {Strongly threatening ...Bf8.} 26. b5 {[%cal Bb4b5,Bb5b6,Bb6b7][%mdl 32]} Bf8 27. b6 Bc5 28. b7 Bxf2+ 29. Kf1 Ba7 30. Ne2 {[#] aiming for Nd4!} Kg7 $1 31. Nd4 Rd2 $2 {[%mdl 8192]} (31... Bxd4 $11 {and Black stays safe.} 32. b8=Q Rf2+ 33. Ke1 (33. Kg1 $2 Nd3 $19) 33... Nd3+ 34. Kd1 Nb2+ 35. Ke1 Nd3+ 36. Kd1 Nb2+ 37. Ke1) 32. Nc6 {Precision: White = 51%, Black = 67%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Laxman, R.R"]
[Black "Gupta, Abhijeet"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2444"]
[BlackElo "2619"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,84,4,17,11,18,16,10,11,11,-16,-2,-60,-60,-62,0,0,53,-62,-59,-52,-47,-47,-47,-103,-47,-51,-51,-51,-51,-50,-50,-58,-50,-51,-46,-64,-64,-79,-68,-89,-95,-117,-112,-121,-127,-204,-128,-214,-214,-242,-242,-242,-243,-342,-342,-335,-332,-394,-394,-469,-469,-468,-461,-461,-461,-461,-461,-454,-469]} 1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. Bf4 c6 7. c3 Bf5 8. Qb3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (8. Nbd2 Nbd7 9. Qb3 Qb6 10. Ne5 Rfe8 11. h3 Nxe5 12. Bxe5 Bh6 13. g4 Be6 14. e3 Nd7 15. Bg3 f5 16. gxf5 Bxf5 {½-½ (48) Sargissian,G (2672)-Saric,I (2669) Riadh 2017}) 8... Qb6 9. Nbd2 Ne4 {LiveBook: 3 Games} 10. Nxe4 {The position is equal.} Bxe4 11. Bh3 Bxf3 12. exf3 e6 13. Bd6 $146 ({Predecessor:} 13. Rfe1 Nd7 14. Bf1 Rfc8 15. Be3 Bf8 {½-½ (15) Slipak,S (2420)-Supi,L (2384) Buenos Aires 2014}) 13... Rd8 14. Qxb6 (14. Bf4 $11) 14... axb6 $15 15. Bc7 Re8 (15... Rc8 $1 $15 16. Bd6 c5 17. dxc5 bxc5) 16. Bxb6 $11 Nd7 ({Better is} 16... Rc8 $1 $11) 17. Bc5 (17. Bc7 $14) 17... Nxc5 $15 18. dxc5 Ra5 19. f4 Rxc5 20. Rfd1 {[#]} ({White should try} 20. Rfc1 $15) 20... Ra8 (20... d4 $1 $17 {[%mdl 512]} 21. Bg2 (21. cxd4 Rc2) 21... Rb5 22. cxd4 Rxb2) 21. Bf1 Rca5 22. a3 c5 23. Rac1 c4 24. Rc2 Kf8 25. g4 Bh6 26. f5 gxf5 27. gxf5 e5 28. Bg2 Rd8 29. b3 cxb3 30. Rb2 Rxa3 31. c4 (31. f6 $17 {keeps fighting.}) 31... Bg7 {[#]} 32. Rxd5 (32. Be4 $1 $17 {[%mdl 512]}) 32... Rxd5 $19 33. Bxd5 $17 {[%mdl 4096] Endgame [#] KRB-KRB} e4 $1 {[%mdl 512]} 34. Rb1 (34. Bxe4 Bxb2) 34... b2 35. Bxb7 (35. Kg2 $142) 35... Rc3 $19 {Strongly threatening ...Rc1+.} 36. Bxe4 Bf6 ({Resist} 36... Rxc4 37. f3 $19) 37. Kg2 Rxc4 38. f3 Rc1 {Black is clearly winning.} 39. Kg3 Ke7 40. Kg4 Kd6 41. Kh5 Kc5 42. Kh6 Kb4 {Precision: White = 35%, Black = 71%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Das, Sayantan"]
[Black "Amonatov, Farrukh"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2437"]
[BlackElo "2608"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,90,0,0,0,0,0,-37,-45,-38,-25,-25,-20,-45,0,0,0,0,0,0,3,-11,-13,-10,0,-29,0,-14,-19,-18,-19,-23,-28,-23,-9,-35,-28,-29,-18,-19,-16,-60,-14,-15,-32,-40,-35,-31,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 Be7 8. Bg5 Be6 {B92: Sicilian Najdorf: 6 Be2} 9. Bxf6 Bxf6 10. Nd5 (10. O-O Be7 11. Nd5 Nd7 12. Bc4 Rc8 13. Qe2 Nb6 14. Nxb6 Qxb6 15. Bb3 O-O 16. Rfd1 {1-0 (55) Caruana,F (2794)-Grischuk,A (2785) Saint Louis 2017}) 10... Nd7 11. O-O {LiveBook: 5 Games} Rc8 12. a4 O-O 13. Nd2 $146 ({Predecessor:} 13. a5 Bxd5 14. Qxd5 Rxc2 15. Bc4 b5 16. Bd3 {1-0 (24) Rancic,D (2002)-Zufic,M (2444) Velika Gorica 2013}) 13... Bxd5 14. exd5 Be7 15. a5 f5 16. c4 e4 17. Nb3 Bf6 18. Nd4 Bxd4 19. Qxd4 Qg5 20. f4 exf3 21. Bxf3 Ne5 22. b3 Rce8 {[%cal Bc8e8,Be8e2,Be2e1][%mdl 32]} 23. Kh1 Nxf3 24. Rxf3 Re2 {[%csl Ge2][%cal Rg5g2] [#]} 25. Rf2 Rfe8 26. Rg1 Re1 {...Qc1 is the strong threat.} 27. Qd2 (27. g3 {looks sharper.} R1e3 28. Rgf1 g6 29. Qb6 Qe7 30. Kg1) 27... Qxd2 28. Rxd2 $15 {[%mdl 4096] Endgame KRR-KRR} Kf7 29. Rf2 Kg6 30. Rf3 R1e3 31. Rxe3 Rxe3 $11 {KR-KR} 32. Rb1 f4 33. Kg1 Kf5 34. b4 $1 {The position is equal.} Rd3 35. b5 Rc3 36. bxa6 bxa6 37. Rb6 Ke5 38. Rxa6 Rxc4 39. Ra7 g5 40. Rxh7 g4 41. Rg7 Rc1+ 42. Kf2 Rc2+ 43. Kg1 Rc1+ 44. Kf2 Rc2+ 45. Kg1 Rc1+ {Precision: White = 66%, Black = 63%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Kaustuv, Kundu"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "2360"]
[BlackElo "2485"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,23,30,47,47,55,53,37,56,43,53,41,37,35,38,48,47,40,38,55,32,27,33,23,24,24,24,24,28,25,22,29,18,40,8,16,0,23,0,16,0,52,26,48,41,36,31,33,16,31]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. c4 Bg4 5. Ne5 Be6 6. cxd5 Bxd5 7. Nf3 e5 {A11: English Opening: 1...c6} (7... c5 8. Nc3 Bc6 9. O-O e6 10. Qc2 Be7 11. Rd1 O-O 12. d4 cxd4 13. Nxd4 Bxg2 14. Kxg2 Nbd7 15. Bg5 {½-½ (15) Svidler,P (2765)-Karjakin,S (2760) Riadh 2017}) 8. Nc3 Nbd7 9. O-O Bxf3 10. Bxf3 Bc5 11. Rb1 {LiveBook: 5 Games} a5 12. a3 Qe7 {[#]} 13. b4 $1 {[%mdl 512]} axb4 14. axb4 Bxb4 15. Qb3 Bxc3 16. Qxc3 e4 $146 17. Bg2 Ra7 18. d3 exd3 19. exd3 O-O 20. Re1 Qc5 21. Qxc5 Nxc5 22. Be3 Ra5 $1 23. d4 Ne6 $1 ({But not} 23... Nd3 $2 24. Red1 $18) 24. Rxb7 Nd5 25. Rc1 Rfa8 26. Rbb1 Nd8 27. Bg5 {With the idea Bxd8.} Ne6 28. Be3 Nd8 29. Bg5 {Threatening Bxd8.} Ne6 30. Be3 Rc8 (30... Nd8 $1 $11) 31. Bd2 Raa8 32. Rc4 h6 33. Rbc1 Rd8 34. Be3 Ne7 {Precision: White = 58%, Black = 71%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Ravi, Teja S"]
[Black "Neverov, Valeriy"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2338"]
[BlackElo "2496"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,58,10,10,36,21,25,24,37,41,47,47,42,-70,0,8,3,-199,-183,-183,-183,-350,-309,-344,-342,-344,-322,-326,26,48,36,-255,45,27,45,39,89,0,175,-1512,306,-755,0,-1764,3060]} 1. Nf3 Nf6 2. d4 g6 3. g3 c5 4. Bg2 Bg7 5. O-O cxd4 6. Nxd4 Nc6 7. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} Qb6 8. Nb3 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4} d6 9. Nc3 {LiveBook: 13 Games} Be6 (9... O-O 10. Be3 Qb4 11. c5 Rd8 12. cxd6 Rxd6 13. Qc1 Qg4 14. Bf4 Rd8 15. Qe3 Qh5 16. h4 h6 17. Rfd1 Rxd1+ 18. Rxd1 e5 19. Bxc6 exf4 {0-1 (31) Rozum,I (2559)-Bocharov,D (2558) Minsk 2015}) 10. Be3 {White is slightly better.} Qa6 $146 ({Predecessor:} 10... Qc7 11. Nb5 Qb8 12. N3d4 Bd7 13. Rc1 O-O 14. c5 d5 15. Nc3 Nxd4 16. Qxd4 {½-½ (24) Kakkanas,E (2058)-Bozinovic,B (2134) Plovdiv 2008}) 11. c5 d5 12. Nd4 (12. Bxd5 $2 Nxd5 13. Nxd5 O-O-O $19) (12. Nxd5 $2 Bxd5 13. Bxd5 O-O-O $19) 12... O-O 13. Nxe6 fxe6 14. Bh3 (14. a4 $14) 14... d4 ({Better is} 14... Rad8 $1 $15 15. Bxe6+ Kh8) 15. Bxd4 $11 {Black should prevent Be3.} Rad8 $36 {[%mdl 2048] Black has some pressure.} 16. e3 $2 (16. Bxe6+ $11 {and White stays safe.} Kh8 17. Bxf6 Rxf6 18. Qb3) 16... e5 $1 $19 {[%cal Re5d4]} 17. Qb3+ Kh8 18. Nb5 $2 (18. Bxe5 Nxe5 19. Bg2) 18... exd4 19. Nc7 Qe2 $1 20. Ne6 Qh5 21. Bg2 {[#]} d3 $2 (21... Ng4 22. h3 $15) (21... dxe3 $1 $19 22. fxe3 (22. Qxe3 Ng4) 22... Rd2) 22. Nxd8 $11 Nxd8 ({Don't play} 22... Rxd8 $6 23. Qxb7 Ne5 24. c6 $18) 23. Rac1 $2 {[%mdl 8192] [#]} (23. Qxd3 $14 {stays ahead.} Ne6 24. Qa3) 23... Qe5 $2 ({Not} 23... d2 24. Rcd1 $11) (23... Ng4 $1 $19 {[%csl Gg4][%cal Rh5h2]} 24. h4 {[#]} Nxf2 $1 {[%mdl 512]}) 24. Qc3 {[%mdl 1024] White has compensation.} Qe6 25. b3 Bh6 26. Kh1 (26. Qxd3 $16 Nc6 27. Qc4) 26... b6 $2 (26... Qf5 $11 {and Black has nothing to worry.}) 27. Qe5 $4 {[%mdl 8192]} ({Resist} 27. Qxd3 bxc5 28. Rxc5 Nf7 $16) (27. c6 $18) 27... Bxe3 $4 {[%mdl 8192]} (27... Qxe5 $19 {and all is fine.} 28. cxb6 axb6) 28. Qc7 $4 {[%mdl 8192]} (28. Qxe3 $18 Qxe3 29. fxe3) 28... Kg7 $2 (28... Nd5 $19 29. Qxa7 Bxc1 30. cxb6 Nxb6) 29. Qxe7+ $2 {[%mdl 8192]} (29. fxe3 $11 d2 30. Rcd1) 29... Kh6 $4 {[%mdl 40960] Precision: White = 28%, Black = 14%. . An unexpected result.} (29... Qxe7 $19 30. fxe3 d2) 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Aradhya, Garg"]
[Black "Harsha Bharathakoti"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2230"]
[BlackElo "2463"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,98,14,6,6,14,35,18,37,37,37,37,41,20,11,8,16,18,30,0,0,0,0,-41,-36,-51,-34,-32,-44,-39,-44,-75,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,-60,-71,-249,-248,-435,-200,-201,-202,-213,-46,-325,-323,-319,-319,-336,-329,-485,-309,-494,-487,-487,-470,-478,-475,-29991,-29992,-29992,-29991,-29991,-29990,-29993,-29993,-29993,-29994,-29994,-29995]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. c5 (5. cxd5 exd5 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. Bf4 Qe7 10. O-O O-O 11. h3 c6 12. Qc2 Rfe8 13. Rae1 g6 {1-0 (40) Aronian,L (2801)-Oleksienko,M (2615) Germany 2018}) 5... b6 6. cxb6 {D37: Damengambit (5.Lf4)} cxb6 7. Bf4 Bb7 8. e3 {LiveBook: 5 Partien. Die Stellung ist ausgeglichen.} Be7 9. Bd3 Nbd7 10. O-O $146 ({Vorgänger:} 10. a4 O-O 11. O-O Ne4 12. Nd2 Ndf6 13. Ncxe4 dxe4 {0-1 (47) Abdyjapar,A (2382)-Ni,H (2671) Riadh 2017}) 10... O-O 11. h3 b5 12. a4 b4 13. Ne2 a5 14. Nc1 Ne4 15. Bb5 Bd6 16. Nd3 Bxf4 17. exf4 Ba6 18. Nde5 Nxe5 19. dxe5 Bxb5 20. axb5 Qb6 21. Nd4 a4 22. Qd3 {[#]} a3 (22... Rfc8 $1 $17 23. Nc6 Rc7) 23. bxa3 $11 Rxa3 24. Rxa3 bxa3 25. Ra1 Qc5 26. Kh2 Nxf2 27. Qe3 Ne4 $36 {[%mdl 2048] Und weiter mit ...Ta8 wäre nett. Schwarz drückt.} 28. Rxa3 h6 29. Ra6 Rb8 30. Rc6 Qb4 31. b6 Nd2 {...Sf1+ ist eine echte Drohung.} ({Jedoch nicht} 31... Rxb6 $2 32. Nc2 $18) 32. Qd3 (32. Qf2 $1 $11) 32... Nc4 $1 $15 33. Nxe6 $2 (33. Qd1 $17 {ist wohl besser.}) 33... fxe6 $19 34. Qg6 $2 (34. Rxe6 Nxb6 35. Qf3) 34... Nxb6 (34... Ne3 $142 35. Rxe6 Qxf4+ 36. Kg1 Rf8) 35. Qxe6+ Kh8 36. Qf7 {[#]} Nd7 $2 ({Lieber} 36... Nc4 $1 $19 {[%cal Rc4e3]} 37. Rg6 Rg8) 37. e6 $2 {[%mdl 8192]} ({Doch nicht} 37. Rc7 Rf8 $17) (37. Rg6 $1 $15 Qf8 38. Qxf8+ Nxf8 39. Rd6) 37... Nf6 38. Qc7 Re8 39. Rb6 Qe1 40. Rb7 (40. Qe5 $142 Qxe5 41. fxe5) 40... Rg8 41. e7 (41. Qe5 {war die einzige Chance.} Qxe5 42. fxe5) 41... Qe4 42. Qe5 Re8 43. Qd6 Kh7 44. g4 (44. Qe5 $19) 44... Qe2+ {Schwarz setzt Matt.} 45. Kg1 Qd1+ 46. Kg2 Qd2+ 47. Kf1 Ne4 {[%csl Ge4][%cal Rd2f2]} 48. Qb6 Rc8 {[%cal Rc8c1]} 49. Rc7 Rxc7 {Precision: Weiß = 39%, Schwarz = 71%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.21"]
[Round "8"]
[White "Manigandan, S S"]
[Black "Sundararajan, Kidambi"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2128"]
[BlackElo "2434"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,108,-4,-2,11,17,21,17,17,17,19,27,15,15,30,17,22,44,34,37,22,56,45,52,55,71,31,41,37,37,26,36,26,45,53,60,60,72,65,72,73,68,0,0,0,4,-268,-278,-263,-248,-278,-252,-274,-142,-132,-142,-126,-99,-99,-99,-99,-99,-100,-13,-80,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. Nc3 Bb4 5. Bd2 Nf6 6. g3 c5 {E21: Nimzoindisch (4.Sf3)} (6... Bxc3 7. Bxc3 Ne4 8. Rc1 d5 9. Bg2 O-O 10. O-O Nxc3 11. Rxc3 dxc4 12. Rxc4 Bd5 13. Rc3 a5 14. Qc2 {½-½ (59) Mamedyarov,S (2809)-Morozevich,A (2665) Moscow 2018}) 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 O-O 10. Bg2 d6 {LiveBook: 4 Partien} 11. O-O f5 12. Qd3 $146 ({Vorgänger:} 12. b3 Nd7 13. Bb2 Qe7 14. Qc2 Rac8 15. dxc5 bxc5 16. Nd2 {½-½ (44) Marinakis,H (1945)-Ballas,A (1951) Chania 2018}) 12... Nd7 {[%cal Bb8d7,Bd7e5,Be5f3,Bf3g5,Bg5e4][%mdl 32]} 13. Nd2 {[%cal Rd2e4]} cxd4 14. Nxe4 dxc3 15. Nxc3 Bxg2 16. Kxg2 Ne5 17. Qd4 Qe7 18. Rfd1 Rad8 19. Nb5 {[#]} f4 $1 {[%mdl 512]} 20. Qe4 (20. gxf4 Ng6) 20... f3+ 21. exf3 Nxf3 {Droht stark ...Sg5.} 22. Rc3 Ng5 23. Qg4 d5 24. f4 Ne4 25. Re3 Qf6 26. Nd4 Rde8 {Mit der Idee ...e5.} 27. cxd5 exd5 28. Qd7 Qf7 29. Qxf7+ Rxf7 30. Nb5 (30. Nf3 $14) 30... g5 $1 $36 {[%mdl 2048] Schwarz hat Initiative.} 31. Rxd5 gxf4 32. Rg5+ $2 {[%mdl 8192]} (32. gxf4 $11 {und Weiss muss sich keine Sorgen machen.} Rxf4 33. Nc3 Rf2+ 34. Kg1) 32... Kf8 $19 33. Rxe4 Rxe4 {[%mdl 4096] Endspiel KTT-KTS} 34. Nd6 Re2+ 35. Kf1 Rxb2 ({Lieber} 35... Rfe7 $19 36. Rf5+ Kg7 37. Rxf4 Re1+ 38. Kg2 R7e2+ 39. Kh3 Rxb2 40. Nf5+ Kf6 41. Nd4+ Kg7 42. Rg4+ Kh8) 36. Nxf7 $17 Kxf7 $19 {KT-KT} 37. Rf5+ Kg6 38. Rxf4 Rxh2 39. Rd4 Ra2 40. a4 Rb2 ({Besser ist} 40... a5 $17 {Schwarz will ...Kg5 spielen.} 41. Rd6+ Kg5 42. Rxb6 Rxa4) 41. a5 (41. Rd6+ $11 {hält das Gleichgewicht.} Kg5 42. Rd7) 41... h5 (41... Rb5 $17 42. axb6 axb6) 42. Rd7 $11 {Die Stellung ist ausgeglichen.} bxa5 {[#] ...a4 ist eine echte Drohung.} 43. Rd6+ $1 Kf7 44. Rd5 $1 a4 {Weiss muss nun ...a3 beachten.} 45. Ra5 $1 Kg6 46. Rxa4 Rb7 47. Ra5 Rh7 48. Kg2 Kf6 49. Kh3 Ke6 50. Kh4 Kf6 51. Kh3 Ke6 52. Kh4 Kd6 53. Kg5 Kc6 54. Kg6 Rb7 {Precision: Weiß = 73%, Schwarz = 41%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Short, Nigel D"]
[Black "Erigaisi Arjun"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2656"]
[BlackElo "2488"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,78,-6,41,-18,-12,-38,-25,-38,-37,-33,-7,0,-5,-5,-7,-16,26,0,18,27,27,36,27,0,0,0,14,14,12,5,12,8,0,-18,-18,-18,-13,-20,-10,-12,0,0,0,0,0,-15,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Bg4 3. Bg2 Nd7 4. c4 e6 5. cxd5 exd5 6. h3 {A07: Réti Opening: New York and Capablanca Systems} Bh5 7. Nc3 c6 8. O-O Ngf6 9. d3 Bd6 {LiveBook: 26 Games} 10. Be3 $146 (10. e4 $14) ({Predecessor:} 10. e4 O-O 11. g4 Bg6 12. Nh4 Nxe4 13. dxe4 Qxh4 14. exd5 c5 15. Nb5 Bb8 16. d6 a6 {½-½ (46) Oparin,G (2616)-Shirov,A (2673) Moscow 2016}) 10... O-O $11 11. Qd2 Re8 12. Rfe1 Nf8 13. Rac1 Bc7 {[#] Strongly threatening ...Bxf3.} 14. Na4 Ne6 15. Nd4 Nd7 16. b4 a6 17. a3 Bg6 18. Nxe6 Rxe6 19. Bd4 h5 20. Rb1 b5 {The position is equal.} 21. Nc3 Bb6 22. Bxb6 Qxb6 23. Rbc1 Rae8 24. e4 dxe4 $1 25. dxe4 Ne5 26. Qe3 Qxe3 27. Rxe3 Nc4 28. Re2 f5 29. exf5 Bxf5 30. Rxe6 Rxe6 31. a4 Ne5 32. axb5 axb5 33. Na2 Kf8 34. Rc5 {[#] Threatens to win with f4.} g6 35. Nc1 Ke7 36. Nb3 {Black must now prevent Nd4.} Nd3 37. Rxc6 Rxc6 38. Bxc6 Nxb4 39. Bxb5 Bxh3 {Precision: White = 54%, Black = 48%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Gupta, Abhijeet"]
[Black "Burmakin, Vladimir"]
[Result "*"]
[ECO "D15"]
[WhiteElo "2619"]
[BlackElo "2528"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,44,10,2,50,45,50,35,41,36,45,46,52,51,53,51,46,43,55,18,15,10,33,35,39,29,17,23,30,21,74,42,74,34,66]} 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 a6 5. Qc2 g6 6. e4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} dxe4 7. Nxe4 {LiveBook: 19 Games} Bf5 $146 ({Predecessor:} 7... Bg7 8. Be2 O-O 9. O-O Bf5 10. Nxf6+ Bxf6 11. Qb3 Qc7 12. h3 c5 13. d5 {1-0 (36) Grischuk,A (2795)-Morozevich,A (2724) Moscow 2014}) 8. Bd3 Nbd7 9. O-O {aiming for Nxf6+.} Bxe4 10. Bxe4 Bg7 {[%cal Bf8g7,Bg7f6,Bf6e7][%mdl 32]} 11. Re1 O-O 12. Bd3 Re8 13. Bf4 Nh5 {[%cal Bf6h5,Bh5g7,Bg7e6][%mdl 32]} 14. Bg5 Bf6 15. Bd2 e5 16. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Ng7 17. g5 $36 {[%mdl 2048] White fights for an advantage.} Be7 18. dxe5 Ne6 19. h4 Ndc5 20. Be4 Nxe4 (20... Qc8 $11) 21. Rxe4 Qd7 22. Bc3 Red8 {Precision: White = 77%, Black = 44%.} *

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Karthikeyan, Murali"]
[Black "Khusenkhojaev, Muhammad"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2617"]
[BlackElo "2456"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,103,8,3,48,46,60,24,27,15,16,20,19,20,18,10,32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-7,0,-6,0,0,93,35,120,127,482,482,451,379,338,222,222,49,50,53,48,81,67,60,39,34,34,0,70,70,70,70,535,443,310,302,304,295,688,681,700,616,1303,1257,29984,29985]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. c4 c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 12. Nc3 b4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 13. Na4 c5 14. d5 {[#] LiveBook: 11 Games} Kh8 $146 {The position is equal.} ({Predecessor:} 14... Re8 15. a3 a5 16. Bc2 Nf8 17. b3 Ng6 18. Nb2 Bd7 19. Be3 h6 20. Ra2 {0-1 (48) Vallejo Pons,F (2684)-Carlsen,M (2850) Berlin 2015}) 15. Bc2 Ng8 {[%cal Bf6g8,Bg8e7,Be7g6,Bg6e5][%mdl 32]} 16. Nh2 Bg5 17. b3 a5 18. a3 Bxc1 19. Qxc1 Ne7 20. Nb2 Rb8 21. Nd3 f5 22. f4 fxe4 23. Rxe4 {[%cal Rf4e5]} Ng6 24. axb4 axb4 25. fxe5 Ndxe5 26. Nxe5 Nxe5 27. Qe3 Ng6 {And now ...Bf5 would win.} 28. g4 Bd7 29. Nf3 Qf6 30. Rf1 $1 Ra8 31. Qd3 Ra2 32. Re2 Rb2 (32... Kg8 $11 {keeps the balance.}) 33. Ref2 (33. Nd2 $16 Qd8 34. Rxf8+ Qxf8 35. Rf2) 33... Qe7 {[#]} ({Better is} 33... Kg8 $14) 34. Nh4 $1 $16 {[%mdl 512]} Rxf2 $4 {[%mdl 8192]} (34... Rf6 $16 {is a better chance.}) (34... Qxh4 35. Rxf8+) 35. Nxg6+ $18 hxg6 36. Rxf2 Be8 37. Re2 Qd8 {[#]} 38. Qf3 $2 (38. h4 $1 $18) 38... Kg8 $1 $14 39. h4 $40 {[%mdl 128] White attacks.} Bd7 40. g5 Qf8 41. Qxf8+ Kxf8 {[%mdl 4096] Endgame KRB-KRB} 42. Rf2+ Kg8 43. Kg2 Be8 ({Black should try} 43... Bg4 $1 $11) 44. Kg3 Ra2 45. h5 $1 Ra7 $2 {[%mdl 8192]} (45... Bf7 $14) 46. Re2 Kf8 47. h6 ({Weaker is} 47. Bxg6 Bxg6 48. hxg6 Re7 $16) ({Not} 47. hxg6 Ra2 $16) 47... gxh6 48. gxh6 Bf7 $2 (48... Ra1 49. Kg2 Bf7) 49. Rf2 $18 Kg8 50. Kg4 Kh7 {[#]} 51. Kg5 $1 Re7 {[#]} 52. Rxf7+ $1 {[%mdl 512] Precision: White = 64%, Black = 39%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Amonatov, Farrukh"]
[Black "Neelotpal, Das"]
[Result "1-0"]
[ECO "C86"]
[WhiteElo "2608"]
[BlackElo "2452"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,93,-10,-34,0,-11,-11,-28,2,10,8,0,0,0,3,0,0,0,0,-13,16,18,18,15,13,18,14,11,12,0,27,16,13,15,26,25,57,26,28,0,0,0,8,0,0,0,18,10,10,10,10,10,10,10,43,18,59,59,62,60,60,69,68,61,88,54,139,142,282,297,747,739]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 b5 7. Bb3 O-O 8. c3 d5 9. d3 h6 10. Nbd2 Re8 11. Re1 Bf8 12. Nf1 Bb7 13. Ng3 {LiveBook: 14 Games. C86: Closed Ruy Lopez: Worrall Attack} Qd7 (13... Na5 14. Bc2 c5 15. a3 c4 16. dxc4 Nxc4 {½-½ (36) Istratescu,A (2628)-Fressinet,L (2693) Le Port Marly 2012}) 14. Nh4 Ne7 $146 ({Predecessor:} 14... Na5 15. Bc2 dxe4 16. dxe4 Qg4 17. Nf3 g6 18. b4 Nc4 19. Bb3 c5 20. Bxc4 bxc4 21. bxc5 Rac8 22. Rb1 Rc7 23. Rb6 Nd7 24. h3 {1-0 (24) Maze,S (2564)-Hagen,A (2412) Reykjavik 2015}) 15. Qf3 {The position is equal.} Qg4 16. Qxg4 Nxg4 17. Nf3 dxe4 $1 18. Nxe4 Ng6 19. a4 Be7 20. Be3 Nxe3 21. fxe3 Kf8 22. Rf1 {[#] Black must now prevent Nfg5!} f6 23. h4 Bxe4 24. dxe4 {Threatening Bd5.} Bc5 25. Kf2 Rab8 26. Rfb1 Nf4 (26... Red8 $5 {[%cal Rd8d3]}) 27. axb5 axb5 28. g3 Ne6 29. Ke2 c6 30. h5 (30. Bxe6 $5 Rxe6 31. Rd1 $11) 30... Ng5 31. Nh4 {[%cal Rh4g6]} Red8 32. Bc2 Rd7 33. Rd1 Rxd1 34. Rxd1 Ke8 35. Nf5 Bf8 36. Ra1 $36 {[%mdl 2048] White is pushing.} c5 37. Ra7 Ne6 38. Kd2 c4 39. b3 Rd8+ 40. Ke2 {And now bxc4 would win.} Rd7 41. Ra5 {Threatens to win with bxc4.} Rb7 42. bxc4 bxc4 43. Ba4+ Kd8 $1 44. Bb5 Kc7 (44... Rc7 $14) 45. Bxc4 $16 Ng5 {[#]} (45... Rb2+ $16 {might work better.} 46. Kd1 Nc5) 46. Bd5 $1 $18 Kb6 $2 (46... Rb8 47. Ra7+ Kb6) 47. Ra8 {Precision: White = 48%, Black = 40%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Aravindh, Chithambaram VR"]
[Black "Roy Chowdhury, Saptarshi"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2597"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,149,34,43,12,15,10,10,11,36,11,41,43,50,48,42,39,50,39,56,55,89,81,91,68,98,93,92,92,86,81,128,102,151,98,121,66,152,17,58,26,26,24,25,25,24,18,25,27,27,30,35,26,40,37,39,37,58,51,52,38,35,34,29,27,29,0,0,0,47,0,17,0,0,0,16,15,24,0,19,0,59,19,56,15,30,19,46,8,8,10,8,8,15,15,15,0,0,0,0,0,0,0,96,13,18,20,56,13,7,0,56,56,56,56,56,56,56,56,56,56,56,56,242,56,56,19,36,12,13,0,0,0,0,0,310,310,305,303,301,296,442,368]} 1. Nf3 Nf6 2. g3 d6 3. d4 c6 4. Bg2 Bf5 5. O-O h6 {LiveBook: 11 Partien} 6. b3 {A46: Damenbauernspiele} (6. c4 Nbd7 7. Nc3 Ne4 8. Bd2 Nxd2 9. Qxd2 e5 10. Rfd1 Qc7 11. c5 Rd8 12. cxd6 Bxd6 {½-½ (48) Tran,T (2549)-Yudin,S (2517) Samara 2017}) 6... Nbd7 7. Bb2 e6 8. c4 {Die Stellung ist ausgeglichen.} Be7 9. Nc3 O-O 10. d5 $146 ({Vorgänger:} 10. Nd2 e5 11. d5 c5 12. e4 Bg6 13. f4 Bh5 14. Qe1 exf4 15. gxf4 {1-0 (42) Campbell,R (2051)-Young,R (2371) Saratoga Springs 1993}) 10... cxd5 11. cxd5 e5 12. Nd2 Bh7 13. e4 Nc5 14. Qe2 a5 15. Ba3 Nfd7 16. Bh3 f5 17. Bxf5 Bxf5 18. exf5 Rxf5 19. Nc4 Qf8 20. Nb5 Rf6 21. Rac1 (21. Rae1 $142 $1) 21... b6 22. Bb2 (22. Bxc5 $16 bxc5 23. Qg4) 22... Rg6 (22... g5 $14) 23. Nc7 ({Besser ist} 23. Rce1 $16) 23... Rc8 $11 24. Ne6 Nxe6 25. dxe6 Rxe6 26. Qg4 Qf6 27. f4 d5 28. Nxe5 Rxc1 29. Rxc1 Bc5+ 30. Kg2 Nxe5 31. Bxe5 Qf7 32. Rd1 (32. Bxg7 $2 Rg6 $19) 32... Re7 33. Qf3 Rd7 34. Rd3 Qe6 35. h4 Rd8 36. h5 d4 37. Qe4 Qg4 38. Qf3 Qe6 39. a4 Qd7 40. Qe4 Qg4 41. Qf3 (41. Bxd4 Qd7 $17) 41... Qd7 42. g4 Qe6 43. Kg3 Re8 44. Qb7 {[%csl Ge5][%cal Rb7g7]} ({Nur nicht} 44. Bxd4 $2 Bxd4 45. Qd1 (45. Rxd4 $2 Qe1+ 46. Kh2 Re2+ 47. Kh3 Re3 $19) 45... Bc5 $19) 44... Re7 (44... Be7 $11) 45. Qa8+ Re8 46. Qf3 Qd7 47. Qe4 Re7 48. Kh3 Qe6 49. Qa8+ Re8 $132 {[%mdl 2048] Schwarz is not keeping still} 50. Qf3 Qd7 51. Qe4 Re7 52. Rg3 Qe6 53. Qa8+ Re8 54. Qb7 {[%csl Ge5][%cal Rb7g7]} Re7 $1 {[%cal Re7b7]} 55. Qf3 Qf7 {[#]} (55... Rd7 $11 {hält das Gleichgewicht.} 56. Qa8+ Kf7) 56. Qa8+ (56. g5 $1 $16 {[%cal Rg5h6] zielt auf gxh6 ab.} Qf5+ 57. Qg4) 56... Re8 57. Qc6 Kh7 58. Qe4+ Kg8 59. Qc6 Kh7 60. Kg2 {g5 ist eine echte Drohung.} Kg8 61. Rd3 Rd8 62. Kf3 Qe7 63. Kg3 Rd6 64. Qe4 Rd8 65. Qg6 Qd7 $2 {[#]} (65... Rd7 $14) 66. Kh3 $2 ({Weiss braucht} 66. g5 $1 $18 {[%cal Rg5h6]} hxg5 67. Qxg5) 66... Rf8 $14 67. Kh2 Rf7 68. Rg3 Be7 69. Qxb6 Bh4 70. Rg2 (70. Qxd4 $2 Qxd4 71. Bxd4 Bxg3+ 72. Kxg3 Rb7 $19) ({Doch nicht} 70. Qxa5 Bxg3+ 71. Kxg3 d3 $17) 70... d3 {Droht stark ...d2.} 71. Qxa5 {Droht Dd2 und aus.} Qe6 $2 {[%mdl 8192]} (71... Bf6 $1 $11) 72. g5 $18 hxg5 73. Qd8+ ({Nicht} 73. fxg5 d2 $11) 73... Rf8 74. Qxd3 Rc8 (74... Rf5 {ist wohl besser.}) 75. Qg6 {Precision: Weiß = 45%, Schwarz = 55%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Rozum, Ivan"]
[Black "Das, Sayantan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2581"]
[BlackElo "2437"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,61,23,43,38,44,44,94,93,75,15,16,29,25,-47,-64,-45,-50,-55,60,0,0,0,0,0,0,0,0,0,219,212,216,23,19,-4,-14,-14,-7,-149,-157,-453,417,425,400,403,671,650,814,812,793,768,1825,1788]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 a6 5. d4 Bf5 6. c5 {D15: Damengambit (Slawische Verteidigung)} (6. Qb3 Ra7 7. Nh4 Bc8 8. Qc2 e6 9. Nf3 Be7 10. e4 dxe4 11. Nxe4 Nbd7 12. Bd3 Nxe4 13. Bxe4 Nf6 14. Bd3 {1-0 (34) Ding,L (2778)-Shankland,S (2671) Liaocheng 2018}) 6... Nbd7 {LiveBook: 8 Partien} 7. Nh4 Bg4 8. f3 $146 {Weiß steht etwas besser.} ({Vorgänger:} 8. Qb3 Rb8 9. h3 Bh5 10. g4 Bg6 11. Bg2 e6 12. Nxg6 hxg6 {0-1 (39) Preziuso,T (2122)-Gantner,M (2297) Flims 2012}) 8... Bh5 9. g4 Bg6 10. b4 (10. g5 $16) 10... e5 $11 11. g5 Bh5 12. gxf6 (12. Be2 $1 $11) 12... Qxf6 $15 13. Ng2 Bxf3 14. Qd2 O-O-O ({Lieber} 14... a5 $15 15. bxa5 Be7) 15. Qf2 (15. Bb2 $14) 15... exd4 16. exd4 {[#]} Nxc5 $1 {[%mdl 512]} 17. bxc5 Bxc5 18. Ne2 Rhe8 {Und ...Lxd4 würde nun gewinnen.} 19. Be3 Re4 $2 (19... Bb4+ $11 20. Bd2 Bxd2+ 21. Kxd2 Re4) 20. Rb1 $18 Rde8 21. Rb3 $2 (21. dxc5 $18 {Schwarz muss nun Kd2 beachten.} d4 22. Ng3 (22. Bxd4 Rxd4 23. Ne3 Rd3 $11) (22. Bg5 $2 Qf5 $17) 22... Rxe3+ 23. Nxe3 Rxe3+ 24. Be2 Bxh1 25. Nxh1) 21... a5 $1 $11 {[%cal Ba6a5,Ba5a4][%mdl 32] Droht ...Lb4+ und aus.} 22. a3 a4 23. Rd3 Bb6 {Droht stark ...c5!} 24. Rg1 {[#]} (24. Kd2 $11 {bleibt in der Remisbreite.}) 24... c5 $1 $17 {[%mdl 512] Und weiter mit ...La5+ wäre nett.} 25. Ngf4 $2 (25. Kd2 $17 {war nötig.}) (25. dxc5 Qa1+) 25... c4 $4 {[%mdl 8192]} (25... Ba5+ $19 {und Schwarz kann entspannen.} 26. Bd2 Rxf4) 26. Nxd5 $18 Ba5+ 27. Bd2 Bxd2+ (27... Rxe2+ $142 28. Bxe2 Bxd5 29. Qxf6 gxf6) 28. Rxd2 {Weiß steht klar auf Gewinn.} Qe6 29. Qxf3 {zielt auf Lh3 ab.} Qxd5 30. Bg2 Qd7 31. Bh3 {Precision: Weiß = 30%, Schwarz = 48%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Nihal Sarin"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2551"]
[BlackElo "2462"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,72,20,12,26,0,0,0,0,8,8,0,18,18,18,21,22,17,51,43,43,43,39,42,51,60,66,34,35,28,35,18,18,18,18,18,18,18,18,10,10,10,21,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e4 Bb4 6. Bg5 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bd2 Qc5 {D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4} 10. Bb5+ Bd7 11. Nb3 Qe7 12. Bd3 Nc6 13. O-O O-O 14. a3 {LiveBook: 14 Games} Bd6 15. f4 {With the idea e5.} e5 16. f5 Nd4 17. Bg5 {[#] And now Nd5 would win.} Bc6 $146 18. Bc4 h6 19. Bh4 Nxb3 20. Qxb3 Bc5+ 21. Kh1 Be3 22. Bxf6 Qxf6 23. Nd5 Bxd5 $1 24. Bxd5 Bd4 25. Rac1 Rac8 26. g3 b6 27. h4 a5 28. a4 Rfd8 {The position is equal.} 29. Kg2 Rc5 30. Rxc5 Bxc5 31. Rc1 Rc8 32. Qf3 Rc7 33. Qh5 Kh7 34. g4 g5 35. hxg5 Qxg5 36. Qxg5 hxg5 {Precision: White = 73%, Black = 57%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Lalith Babu M R"]
[Black "Ravi, Teja S"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2531"]
[BlackElo "2338"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,78,-16,16,-46,1,-4,-11,-52,-35,-50,-45,-60,-54,-77,-56,-104,-97,-96,-99,-138,-92,-143,0,0,0,-73,-53,-38,-23,-28,-35,-48,-52,-46,-47,-54,-53,-297,-93,-109,-78,-85,-68,-68,-33,-45,-39,-48,0,0,0,0,1,0,0,0,0,0,8,0,0,0,0,0,0]} 1. c4 c6 2. Nf3 d5 3. g3 Bg4 4. Bg2 e6 5. O-O Nf6 6. d4 Nbd7 7. h3 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4} Bh5 8. Nc3 (8. cxd5 exd5 9. Ne5 Ne4 10. Nd2 Nxd2 11. Bxd2 Nxe5 12. dxe5 Bc5 13. Kh2 O-O {½-½ (32) Svidler,P (2768)-Karjakin,S (2753) Wijk aan Zee 2018}) 8... Be7 {LiveBook: 6 Games} 9. Re1 (9. cxd5 $11 cxd5 10. Bf4) 9... O-O 10. g4 $146 ({Predecessor:} 10. e4 dxe4 11. Nxe4 Bg6 12. Nxf6+ Bxf6 13. Be3 Nb6 14. Qb3 Qd7 15. Rad1 {1-0 (56) Tanacs,A (2031)-Bogar,P (1955) Miskolc 2008}) 10... Bg6 11. Nh4 dxc4 12. Nxg6 hxg6 13. e4 e5 14. Be3 Qc7 15. Qe2 exd4 16. Bxd4 {Black should prevent e5.} Ne5 17. Red1 g5 18. Qe3 (18. Bxe5 $142 Qxe5 19. Qxc4) 18... c5 (18... Nfd7 $17 19. a4 Rfd8) 19. Bxe5 $1 $11 Qxe5 20. Qe2 (20. Qg3 $11 Qxg3 21. fxg3) 20... a6 21. a4 b5 22. axb5 axb5 {Strongly threatening ...Rxa1.} 23. Nxb5 Rxa1 24. Rxa1 Nd5 {[%cal Bf6d5,Bd5f4,Bf4d3][%mdl 32] aiming for ...Nf4.} 25. Qc2 Nf4 {And now ...Rb8 would win.} 26. Na3 $2 {[#]} ({White should play} 26. Bf1 $1 $15) 26... c3 $2 (26... Bd6 $1 $19 27. Rd1 Nxg2 28. Kxg2 Qh2+ 29. Kf1 Qxh3+ 30. Ke1 Bf4 31. Nxc4 Re8) 27. Nc4 $17 cxb2 28. Rb1 Qd4 29. Rxb2 Nd3 30. Rb7 Bf6 {White must now prevent ...Nxf2!} 31. Bf1 Nb4 32. Qe2 {The position is equal.} Re8 33. Nd2 Qd6 34. Qc4 $36 {[%mdl 2048] White has the initiative.} Re7 35. Rxe7 Bxe7 36. Nf3 Nc6 37. Qd5 Nd4 38. Nxd4 Qxd5 39. exd5 {[#] Nb5 is the strong threat.} cxd4 {Precision: White = 29%, Black = 33%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Narayanan, Srinath"]
[Black "Shyam, Sundar M"]
[Result "1/2-1/2"]
[ECO "B80"]
[WhiteElo "2525"]
[BlackElo "2518"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,54,30,27,39,38,45,20,38,12,12,10,5,12,8,0,13,7,16,0,36,0,32,-30,0,0,17,-27,0,0,24,-27,0,0,22]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. g3 Nf6 7. Bg2 Bd7 8. O-O Be7 9. Re1 a6 10. Nxc6 Bxc6 11. a4 {[%cal Ba2a4,Ba4a5][%mdl 32] B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack} Rc8 12. a5 {LiveBook: 6 Games} Nd7 13. Be3 {[#] White is slightly better.} h5 $146 ({Predecessor:} 13... Qc7 14. Bd4 O-O 15. Re2 Bf6 16. Bxf6 Nxf6 17. Qd4 Rfd8 18. Qb4 d5 {½-½ (70) Gharamian,T (2332)-Tkachiev,V (2642) France 2004}) 14. Bd4 Kf8 15. Na4 h4 16. Nb6 Nxb6 17. Bxb6 Qd7 18. Qg4 g6 19. c4 Rh5 20. Rad1 hxg3 21. hxg3 Rg5 22. Qh4 (22. Qe2 $14) 22... Rh5 23. Qg4 Rg5 24. Qh4 {[%cal Rh4h8] [#]} Rh5 (24... Kg7 $142) 25. Qg4 $11 Rg5 26. Qh4 (26. Qe2 $142) 26... Rh5 27. Qg4 Rg5 {Precision: White = 40%, Black = 45%.} 1/2-1/2

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Deepan Chakkravarthy J"]
[Black "Sengupta, Deep"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2516"]
[BlackElo "2563"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,49,28,30,26,30,83,93,115,105,98,97,152,128,160,143,177,189,174,157,139,117,228,232,281,271,288,290,937,935,906,904,1397,1377,1379,1347,1823,1814,1792,1774,1600,1398]} 1. c4 e6 2. g3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 3. Bg2 Nf6 4. Nf3 d4 5. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} a5 (5... Bxb4 6. Qa4+ Nc6 7. Ne5 Rb8 8. Nxc6 bxc6 9. Qxa7 Rb6 10. Qa4 O-O 11. O-O e5 12. d3 Bg4 13. Qc2 {½-½ (32) Karjakin,S (2771)-Anand,V (2785) Dubai 2014}) 6. b5 {LiveBook: 3 Games. A13: English Opening: 1...e6} c5 7. e3 Nbd7 (7... Bd6 $11) 8. O-O $16 {White is better.} Bd6 $146 ({Predecessor:} 8... Nb6 9. exd4 cxd4 10. d3 Bc5 11. Ba3 Qd6 12. Bxc5 Qxc5 13. a4 {½-½ (37) Sanjay,N (2337)-Lokesh,P (2295) Dindigul 2014}) 9. exd4 cxd4 10. Nxd4 Be5 {[#]} (10... Nb6 $142) 11. Nc6 $1 {[%cal Rc6d8]} ({But not} 11. Bb2 $6 Qb6 $11) 11... bxc6 12. d4 Bc7 13. Bxc6 Rb8 14. Ba3 {[%mdl 1024] White has strong compensation.} Bb7 15. Nc3 h5 (15... Bxc6 $16 16. bxc6 Nb6) 16. Re1 $18 h4 17. Qd3 Rh6 {[#] ...hxg3 is the strong threat.} 18. Qf5 {Strongly threatening Rxe6+!} Ng4 $2 (18... Nh7 19. d5 Qf6 20. dxe6 fxe6 21. Qxf6 Nhxf6) 19. Qxg4 {White is clearly winning.} hxg3 20. hxg3 g5 21. Nd5 Bxc6 22. bxc6 Nf8 23. Be7 Qc8 24. Qxg5 {White threatens Qg8 and mate.} Rg6 25. Nf6+ {Precision: White = 98%, Black = 36%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Neverov, Valeriy"]
[Black "Tran, Minh Thang"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "2496"]
[BlackElo "2404"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,83,-9,-6,-25,-20,-32,-39,-40,-29,-47,11,4,0,-15,65,62,60,49,59,58,67,40,69,0,102,118,105,64,143,147,159,91,135,81,720,702,805,811,816,806,702,466,578,577,999,984,1436,1443,1393,0,811,0,1337,642,635,618,801,777,5581,5502,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29997,1342]} 1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nc3 cxd4 5. exd4 Bf5 6. Bd3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bxd3 7. Qxd3 e6 {LiveBook: 4 Games} 8. Nge2 {[%cal Bg1e2,Be2c1,Bc1b3][%mdl 32] The position is equal.} Nf6 9. O-O-O a6 10. Kb1 Rc8 11. h4 $146 ({Predecessor:} 11. f3 Nb4 12. Qd2 Be7 13. g4 {½-½ (30) Sutkovic,D (2322)-Dizdarevic,E (2492) Bihac 2016}) 11... Qa5 (11... b5 $15) 12. h5 $11 b5 {[#] Threatens to win with ...b4.} 13. Nc1 Nb4 (13... h6 $11) 14. Qe2 $14 Be7 15. Nb3 Qb6 16. h6 $36 {[%mdl 2048] White has good play.} g6 $1 17. Bg5 Rxc3 18. Bxf6 (18. bxc3 $14 Ne4 19. Kb2) 18... Bxf6 ({Reject} 18... Rxc2 $6 19. Qf3 $16) (18... Rxb3 $1 $11 {keeps the balance.} 19. Bxe7 (19. Bxh8 $2 {loses.} Qa5 $19) 19... Rxb2+ 20. Kxb2 Kxe7) 19. bxc3 $16 Nc6 20. Qf3 Ke7 (20... Bg5 $14) 21. Rh3 a5 22. Re1 (22. Nc5 $142) 22... Rd8 23. Qf4 ({Much weaker is} 23. Nc5 b4 $15) (23. Qg4 $142 b4 24. Rf3) 23... g5 $2 {[%mdl 8192]} (23... Qb8 $16 24. Qg4 b4) 24. Qf5 $18 g4 25. Qxg4 a4 26. Rf3 axb3 27. Qf4 bxc2+ 28. Kc1 Qa7 29. Qxf6+ Ke8 30. Qh8+ Ke7 31. Qf6+ Ke8 $1 32. Qh8+ (32. Qg7 $142 Qa3+ 33. Kxc2 Nxd4+ 34. Qxd4 Qxa2+ 35. Kc1 Qa1+ 36. Kd2 Qa2+ 37. Ke3) 32... Ke7 {[#]} 33. Qxh7 (33. Rxf7+ $142 $1 {[%mdl 512]} Kxf7 34. Qg7+ Ke8 35. Rxe6+ Qe7 36. Rxe7+ Nxe7 37. Qxh7) 33... Rf8 34. Qxc2 b4 35. h7 Rc8 36. Qf5 Ne5 37. Qf6+ {White mates.} Kd6 38. Qxe5+ Kc6 39. h8=Q Rxh8 40. Qxh8 Qxa2 41. Qc8+ Kd6 42. Qc5+ {Precision: White = 61%, Black = 32%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Vignesh N R"]
[Black "Ashwath R."]
[Result "1-0"]
[ECO "B36"]
[WhiteElo "2485"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,96,59,44,49,44,44,35,43,33,37,34,45,51,47,29,61,32,40,40,40,31,38,32,28,19,40,21,28,22,15,23,58,39,48,0,2,2,8,8,8,8,8,12,28,12,11,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,14,12,14,15,30,27,650,646,625,608,880,880,856,853,2141,822,2277]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 {[%cal Bb1c3,Bc3a4,Ba4b6,Bb6d5][%mdl 32]} Nxd4 7. Qxd4 d6 8. Be3 Bg7 9. f3 O-O 10. Qd2 a5 {B36: Sicilian: Maroczy Bind: Gurgenidze System} 11. Na4 {LiveBook: 34 Games} Be6 12. Nb6 Rb8 {White is slightly better.} 13. Be2 Nd7 14. Nd5 a4 15. Rc1 Nc5 16. O-O Ra8 17. Rfd1 Re8 {[#]} 18. Qb4 $146 {Nb6 is the strong threat.} (18. Bf1 {is more complex.} Qa5 19. Qf2 Rac8 20. Rc2 Nd7 21. Rdc1) ({Predecessor:} 18. Bd4 Bxd5 19. cxd5 Qa5 20. Rc3 {½-½ (49) Polgar,J (2681)-Tiviakov,S (2628) Kallithea 2002}) 18... Qa5 19. Qxa5 Rxa5 20. Rc2 Kf8 21. Kf1 Rc8 22. Bg5 Re8 23. Rb1 f5 24. b4 axb3 $1 25. axb3 {[%cal Ba2b3,Bb3b4][%mdl 32] [#] Hoping for b4.} fxe4 26. b4 exf3 {White must now prevent ...Bf5.} 27. gxf3 Bf5 28. Rcc1 Bxb1 29. Rxb1 Ra1 $1 {[%cal Ra1b1]} 30. Rxa1 Bxa1 31. bxc5 dxc5 32. Bd3 Be5 33. Nf4 Ra8 34. h4 Kf7 35. Be4 e6 36. Nd3 Bd4 37. Bxb7 Ra4 38. Bc8 Rxc4 39. Nf4 Rc1+ 40. Ke2 Rc2+ 41. Kd1 Rh2 42. Bxe6+ Kg7 43. Bc4 Bf6 $2 {[%mdl 8192] [#]} (43... h6 $11) 44. Ne6+ $18 {White is clearly winning.} Kf7 45. Nc7+ Kg7 46. Ne8+ Kf8 47. Nxf6 Kg7 48. Ng4 Rg2 {Precision: White = 56%, Black = 51%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Harsha Bharathakoti"]
[Black "Sandipan, Chanda"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2463"]
[BlackElo "2573"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,103,-6,-2,-9,-7,-17,14,-20,-20,-22,0,2,10,0,49,46,72,46,47,48,62,54,72,45,27,33,51,60,55,46,109,120,89,101,106,46,37,42,39,40,39,0,0,0,0,0,0,0,0,0,0,-80,-78,-129,-138,-138,0,0,0,0,0,0,0,-61,0,0,0,0,0,0,0,0,0,0,801,0,0,0,29970,29945,5373,5102,29985,29986,29986,29987,29987,29988,29988,29989,29995,29994,29997,29998]} 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Qc2 b6 5. e3 Bb7 6. f3 {A40: Unusual replies to 1 d4} c5 {LiveBook: 7 Games} 7. a3 Be7 8. Bd3 {The position is equal.} O-O 9. Nge2 (9. d5 $5) 9... Nc6 10. O-O Qb8 11. Bd2 $146 ({Predecessor:} 11. h3 Kh8 12. d5 Ne5 13. e4 fxe4 14. fxe4 {1-0 (56) Malakhatko,V (2596)-Moser,E (2412) Germany 2007}) 11... Bd6 12. f4 Qe8 13. d5 Ne7 {[%cal Re6d5]} 14. e4 fxe4 15. Nxe4 Nxe4 16. Bxe4 Ng6 17. Nc3 (17. Rae1 {seems wilder.} exd5 18. cxd5 Qf7 19. Nc3 a6 20. Qd3) 17... Nxf4 18. Bxf4 Bxf4 19. dxe6 Bc6 $1 20. Bxc6 dxc6 ({Black should try} 20... Be3+ $1 $14 21. Kh1 Rxf1+ 22. Rxf1 dxc6) 21. Qe4 $16 Bd6 22. Rxf8+ Bxf8 23. Rd1 (23. Rf1 $16) 23... Rd8 $14 24. Rxd8 Qxd8 25. Qxc6 Qd4+ 26. Kh1 {And now Qf3 would win.} Qxc4 {[%cal Rc4f1]} 27. h3 Qf1+ 28. Kh2 Qf4+ 29. Kg1 c4 30. Qe8 h6 31. Ne2 {[#]} (31. Kh1 $11) 31... Qf6 $1 $17 32. Nc3 (32. Kh1 $142) 32... Kh7 {( -> ...Bc5+)} 33. Qc6 Qd4+ (33... Bc5+ $17 34. Kh2 Qe5+ 35. g3 Bd6 36. Qe4+ Kg8) 34. Kf1 $1 $11 Qd3+ 35. Ke1 {[#]} Bxa3 $1 {[%mdl 512]} 36. bxa3 Qxc3+ {[%mdl 4096] Endgame KQ-KQ} 37. Kf2 (37. Ke2 $11) 37... Qd4+ (37... Qxa3 $2 38. Qe4+ g6 39. e7 $18) ({Better is} 37... Qe5 $15) 38. Kf3 {Strongly threatening e7.} Qd3+ 39. Kf4 {Hoping for e7.} Qf1+ ({Much weaker is} 39... Qxa3 $6 40. Qe4+ Kg8 41. e7 $16) 40. Ke5 Qe2+ 41. Kd6 {aiming for e7.} Qd3+ 42. Kc7 Qg3+ $2 {[%mdl 8192]} ({Don't go for} 42... Qxa3 $2 43. Qe4+ g6 44. e7 $18) (42... Qe2 $11) 43. Kd7 $2 (43. Kb7 $18 Qe5 44. Qxc4) 43... Qd3+ 44. Kc8 c3 $2 {[%mdl 8192]} ({Not} 44... Qxa3 $2 45. Qe4+ g6 46. e7 $18) (44... Qe2 $11) 45. e7 Qf5+ 46. Kd8 c2 {[#]} 47. e8=Q $1 {White mates.} Qg5+ 48. Kd7 Qd2+ 49. Ke7 {[%csl Ge8][%cal Rc6g6]} Qe3+ 50. Kf8 Qxa3+ 51. Qe7 Qb2 {[#]} 52. Qxc2+ $1 {[%mdl 512] Precision: White = 58%, Black = 40%.} 1-0

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Nitin, S."]
[Black "Vishnu Prasanna. V"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2432"]
[BlackElo "2532"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,84,14,47,29,22,0,7,0,3,6,16,4,0,0,0,0,0,0,0,0,16,0,0,0,0,0,0,0,18,0,7,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,-22,-22,-22,-22,-22,-22,-22,-22,-81,-90,-125,-120,-157,-157,-150,-97,-104,-99,-102,-54,-121,-129,-174,-174,-255,-255,-255,-255,-255,-250]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 g6 {LiveBook: 25 Games. B11: Caro-Kann: Two Knights Variation} (6... Nf6 7. Be2 Nbd7 8. Qg3 g6 9. h4 h5 10. O-O Bg7 11. Bf4 Qb6 12. Rab1 Rc8 13. Bf3 Bh6 14. Bxh6 Rxh6 15. Rfe1 {1-0 (30) Mamedov,R (2709)-Dreev,A (2653) Riadh 2017}) 7. h4 h5 8. Bg5 (8. d4 {looks sharper.} Nd7 9. Bg5 Be7 10. Qg3 dxe4 11. Nxe4 Ndf6 12. Qe5) 8... Be7 {The position is equal.} 9. Bxe7 Qxe7 10. d4 Nd7 {[%cal Bb8d7,Bd7f6,Bf6g4][%mdl 32]} 11. O-O-O Ngf6 12. g3 Nxe4 $146 ({Predecessor:} 12... O-O-O 13. exd5 Nxd5 14. Ne4 {½-½ (64) Ziska,H (2474)-Tari,A (2354) Oslo 2013}) 13. Nxe4 dxe4 14. Qxe4 Nf6 15. Qe5 O-O-O 16. Bg2 Ng4 17. Qf4 Rd7 18. Rd2 Rhd8 19. Rhd1 Rd6 20. Bf3 (20. Qg5 {feels hotter.} Qf8 21. Qa5 Kb8 22. c3 f6 23. a3) 20... Qf6 21. Qxf6 Nxf6 22. a3 Kc7 23. c4 R6d7 24. b3 Ne8 25. Kc2 Nd6 26. Kc3 a5 27. a4 b6 28. c5 Nf5 29. Be4 Ne7 30. cxb6+ Kxb6 31. Rd3 Kc7 32. Kb2 (32. Bg2 $11) 32... f5 $17 33. Bg2 {[#]} e5 $1 {[%cal Be6e5,Be5e4][%mdl 544]} 34. Kc3 (34. dxe5 Rxd3) 34... e4 35. R3d2 Rb8 (35... Nd5+ $142 36. Kb2 e3) 36. Bf1 Nd5+ 37. Kb2 Kd6 38. Bc4 (38. Rc1 $15) 38... Nb6 $36 {[%mdl 2048] Keeping White busy.} 39. Kc3 Rdb7 40. Rc2 (40. d5 $142 Nxc4 41. dxc6+ Kxc6 42. bxc4 Rb3+ 43. Kc2) 40... Nxc4 $19 {Black has a decisive advantage.} 41. bxc4 Rb3+ 42. Kd2 R8b4 {Precision: White = 58%, Black = 68%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Rahul Srivatshav P"]
[Black "Rahman, Ziaur"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "2402"]
[BlackElo "2495"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,82,56,49,75,54,48,36,41,26,43,48,40,0,0,-58,-41,-28,-7,-8,-9,-12,-15,-75,-75,-73,-80,-75,-66,-54,-47,-58,-28,-50,-42,-50,0,-52,-47,-41,68,-55,-42,-122,-123,-115,-120,-197,-157,-154,-150,-154,-140,-225,-225,-225,-225,-224,-224,-229,-229,-436,-429,-442,-418,-536,-511,-738,-419,-473,-430,-767,-750,-791,-737]} 1. d4 d6 2. c4 e5 3. d5 g6 4. e4 Nd7 5. Nc3 Ngf6 6. Bd3 {LiveBook: 13 Games. A53: Old Indian Defence without Nf3} Be7 $146 ({Predecessor:} 6... Bg7 7. Nge2 O-O 8. O-O Nc5 9. Bc2 a5 10. Rb1 c6 11. f3 cxd5 12. cxd5 b5 13. Be3 b4 14. Na4 Nfd7 15. Nxc5 Nxc5 16. Nc1 f5 17. Nd3 Nxd3 18. Bxd3 fxe4 19. fxe4 {½-½ (57) Kovacevic,B (2505)-Farkas,R (2319) Budapest 2017}) 7. Nge2 Nh5 8. g4 {White is slightly better.} Ng7 9. Bh6 O-O 10. Qd2 Nc5 11. f3 Bh4+ 12. Kd1 (12. Ng3 $11) 12... Qf6 $1 $15 {[%cal Rf6f3]} 13. Ng1 $1 Nxd3 14. Qxd3 a6 15. Nge2 b5 16. b3 (16. cxb5 $11 {remains equal.} axb5 17. Nxb5) 16... Bd7 $17 17. Kc2 Rfb8 18. Rhg1 Bg5 19. Bxg5 Qxg5 20. h4 Qd8 21. Qe3 bxc4 22. bxc4 c5 (22... Qxh4 $6 23. Rh1 $16) 23. f4 (23. h5 $11) 23... Rb4 $1 $15 ({Of course not} 23... Qxh4 $6 24. fxe5 Bxg4 25. exd6 $14) ({Weaker is} 23... Qb6 24. Raf1 $16) 24. Kd3 Qb6 (24... exf4 $15 25. Qxf4 Qxh4) 25. Rab1 (25. a3 $14 Rb3 26. Rab1) 25... Bxg4 $1 26. Rxb4 (26. fxe5 $15 dxe5 27. Rxb4 Bxe2+ 28. Kc2 Bd1+ 29. Rxd1 Qxb4 30. Qd3) 26... Bxe2+ $1 $17 27. Nxe2 Qxb4 28. f5 (28. fxe5 $17 dxe5 29. Qd2) 28... Qa3+ 29. Nc3 {[#]} Nh5 $1 {...Rb8 is the strong threat.} 30. Rb1 Qa5 31. fxg6 (31. Kc2 $17) 31... hxg6 $19 32. Qg5 {[#]} Qc7 $1 33. Kc2 Kg7 34. Rg1 {And now Qxh5 would win.} Rh8 35. Ne2 $2 (35. a3) 35... Qd7 36. Rf1 Qh3 ({Less strong is} 36... Qa4+ 37. Kd3 $19) 37. Rf2 {White hopes to continue with Qe7.} f6 38. Qg2 Qxh4 39. Rf1 Nf4 {Black is clearly winning.} 40. Nxf4 (40. Qf3 $142) 40... exf4 41. Rg1 Qh2 {Precision: White = 34%, Black = 70%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Raghunandan, Kaumandur Srihari"]
[Black "Tukhaev, Adam"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2400"]
[BlackElo "2551"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,74,50,62,73,73,72,66,66,70,67,66,52,63,24,18,21,29,0,-16,-21,-14,-45,-38,-89,-89,-101,-110,-152,-152,-187,-114,-139,0,-187,-183,-154,-56,-212,-197,-193,-189,-468,-469,-817,-772,-809,-811,-795,-814,-806,-787,-801,-610,-617,-553]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 c5 7. Nf3 cxd4 8. Nxd4 b6 {E90: King's Indian: Classical: Early deviations and 6 h3} 9. g3 Bb7 10. Bg2 Nbd7 11. O-O Rb8 {LiveBook: 5 Games} 12. Qd2 $146 ({Predecessor:} 12. Qc2 a6 13. Rad1 e6 14. Rfe1 Qe7 15. Qd2 Rfc8 16. b3 {½-½ (66) Bluebaum,M (2640)-Amin,B (2693) Wijk aan Zee 2018}) 12... Rc8 13. b3 Nc5 {[%cal Rf6e4]} 14. f3 a6 15. Rac1 e6 16. g4 Qe7 17. Rfe1 Rfd8 18. Bf2 Nfd7 {[%cal Bf6d7,Bd7e5,Be5g6][%mdl 32]} 19. Rcd1 Ne5 20. Qe3 g5 21. Bf1 Ng6 22. b4 (22. Bg2 $15) 22... Nd7 $17 23. Na4 Be5 24. Nb3 Qf6 25. c5 {[#]} Bf4 (25... bxc5 $1 $19 26. bxc5 Bc6) 26. Qc3 {Qxf6 is the strong threat.} Be5 27. Qe3 {[#]} bxc5 $1 28. bxc5 d5 (28... dxc5 $17 {aiming for ...c4.} 29. Naxc5 Nxc5 30. Nxc5 Bc6 31. Bxa6 Ra8) 29. Na5 $2 (29. exd5 $15 Bf4 30. Qc3) 29... d4 $19 30. Qd2 Ba8 $40 {[%mdl 128] White is in trouble.} 31. Bxa6 $2 (31. Nc4 {is a better defense.}) 31... Qxf3 {Black is clearly winning.} 32. Qd3 {[#]} (32. Bf1 $142 Nf4 33. Nc4) 32... Bh2+ $1 {[%mdl 512]} 33. Kxh2 Qxf2+ 34. Kh1 Nxc5 35. Nxc5 Rxc5 36. Rf1 Qxa2 37. Ra1 Qc2 {Precision: White = 31%, Black = 78%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Sekar, B."]
[Black "Swapnil, S. Dhopade"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "2304"]
[BlackElo "2505"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,92,27,19,24,12,17,29,22,21,44,14,12,13,19,0,30,-27,-12,-34,-31,-52,-31,-67,-53,-57,-50,-64,-64,-145,-154,-218,-213,-254,-256,-363,-363,-363,-360,-356,-356,-376,-372,-361,-331,-363,-357,-365,-360,-382,-394,-393,-387,-367,-366,-397,-347,-310,-341,-508,-512,-529,-504,-577,-582,-577,-567,-525,-445,-505,-502,-478,-470,-468,-459,-5098,-2777]} 1. e4 c6 2. Nc3 d5 3. Nf3 Nf6 4. e5 Ne4 5. Ne2 Qb6 6. d4 {B11: Caro-Kann (Zweispringer-Variante)} e6 7. Ng3 c5 8. c3 Nc6 9. Bd3 Nxg3 10. hxg3 {LiveBook: 19 Partien} cxd4 11. cxd4 Bd7 12. Kf1 Be7 (12... Nxd4 $2 13. Be3 $18) 13. g4 {[#]} Nb4 $146 ({Falsch wäre} 13... Nxd4 $2 14. Be3 $18) 14. Bb1 Bb5+ 15. Kg1 Nc6 {[%cal Bb4c6,Bc6b4,Bb4c2][%mdl 32]} 16. Be3 O-O-O 17. Kh2 ({Lieber} 17. Ng5 Bxg5 18. Bxg5) 17... h6 18. g3 Kb8 $36 {[%mdl 2048] Schwarz drückt.} 19. Bd3 Rc8 20. Rb1 Nb4 21. Bxb5 Qxb5 22. a3 Nc2 23. Bd2 (23. Kg2 $15) 23... Qd3 $17 24. Ba5 (24. Kg2 $17 {ist eine bessere Verteidigung.}) 24... Qe4 $19 25. Rc1 Bg5 26. Nd2 (26. Bd2 {kämpft weiter.}) 26... Bxd2 ({Weniger gut wäre} 26... Qxd4 27. Qe2 $19) 27. Qxd2 h5 ({Auf keinen Fall} 27... Nxd4 28. Qf4 $19) 28. g5 Nxd4 29. Qf4 Qxf4 30. gxf4 g6 31. Bb4 b6 32. Rcd1 Rc4 33. Rd3 Nf5 34. Bd2 Rhc8 35. Kg2 Rd4 36. Rhh3 Rc2 37. Rxd4 Nxd4 {[%mdl 4096] Endspiel KTL-KTS} 38. Bb4 (38. Rd3 {war erzwungen.} Nf5 39. Bc3) 38... Kb7 {Schwarz steht klar auf Gewinn.} 39. Rd3 Nf5 40. Bc3 Kc6 41. Kf1 Rc1+ 42. Ke2 Kb7 43. a4 a5 44. b4 axb4 45. Bxb4 Rc4 46. Rb3 (46. Bd2 $142 Rxa4 47. Rc3) 46... Nd4+ {Precision: Weiß = 27%, Schwarz = 75%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Sangma, Rahul"]
[Black "Iniyan, P."]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2295"]
[BlackElo "2469"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,72,-11,0,-2,0,-4,-1,-15,-12,-4,-5,-26,6,0,-6,-13,-13,-13,-6,-9,0,-6,0,0,31,35,35,28,25,26,83,100,87,94,89,22,41,27,34,-36,-18,-15,-11,-11,-22,-25,-2,-493,-493,-470,-472,-569,-557,-558,-562,-690,-574]} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 O-O 5. Bg2 d5 6. c4 c6 7. O-O Bg4 8. h3 Bxf3 {A11: English Opening: 1...c6} 9. Bxf3 d4 {LiveBook: 4 Games} (9... e6 10. Qc2 Nbd7 11. d3 Re8 12. e3 a5 13. Nc3 Nb6 14. Rac1 a4 15. Nxa4 Nxa4 16. bxa4 dxc4 17. Qxc4 {1-0 (60) Jones,G (2654)-Martirosyan,H (2516) Minsk 2017}) 10. b4 e5 {The position is equal.} 11. d3 Qd7 $146 ({Predecessor:} 11... a5 12. Qa4 Nbd7 13. b5 Nc5 14. Qa3 Qd6 15. Nd2 Nfd7 16. Rab1 {½-½ (43) Harvey,M (2267)-Ansell,S (2382) England 2013}) 12. Bg2 a5 13. a3 Na6 14. Qb3 Rfe8 15. Nd2 Bf8 {[%cal Ra5b4]} 16. c5 Nd5 {[%cal Ra5b4]} 17. Nc4 axb4 18. axb4 Qe6 19. Ba3 f5 20. Rfe1 e4 21. dxe4 fxe4 22. Rad1 Bg7 23. Bb2 $1 e3 (23... b5 $11 24. cxb6 Nxb6) 24. f4 $16 b5 {[#]} 25. cxb6 $1 Nxb6 26. Rc1 (26. Na5 $16) 26... Nxc4 27. Rxc4 {Qd3 is the strong threat.} Rab8 28. Rd1 {[#]} ({White should try} 28. Bxc6 $14 Nc5 29. Qa2 (29. Rxc5 Qxb3 30. Bd5+ Qxd5 $15) 29... Qxc6 30. Rxc5+ Qe6 31. Qxe6+ Rxe6 32. Rc4) 28... Nc5 $1 $36 {[%cal Rc5b3,Ba6c5,Bc5d3,Bd3e1][%mdl 2592] Black is more active.} 29. Qc2 {[#]} (29. bxc5 Rxb3) 29... d3 $1 {[%cal Rd3c2][%mdl 512]} 30. Rxd3 $1 (30. exd3 e2) 30... Nxd3 31. Bxg7 {Hoping for Bh6.} Ne1 32. Qe4 $2 {[%mdl 8192]} (32. Qb3 $11 {and White stays safe.} Kxg7 33. Qc3+ Kh6 34. Rxc6) 32... Qxe4 $19 {Black is clearly winning.} ({Weaker is} 32... Kxg7 33. Qxe6 Rxe6 34. Bxc6 $19) 33. Bxe4 Kxg7 34. Bxc6 {[#]} Red8 $1 35. b5 {and the idea Rc1 leaves White hopeful.} Rd2 36. Re4 Nc2 {Precision: White = 55%, Black = 42%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Gomes, Mary Ann"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "2290"]
[BlackElo "2512"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,94,35,38,2,12,0,2,9,7,13,20,2,12,0,0,0,0,16,14,-18,0,-14,23,0,19,6,0,0,1,0,0,-16,-2,-8,0,-10,0,0,0,-91,-85,-176,-173,-162,-122,-152,-138,-162,-162,-224,-209,-196,-192,-241,-237,-325,-309,-374,-367,-386,-320,-303,-293,-351,-362,-349,-320,-331,-310,-308,-323,-322,-339,-367,-306,-419,-404,-366,-366,-415,-413,-413,-371,-390,-389,-739,-724]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. Re1 e6 {LiveBook: 51 Partien} 6. c4 {B51: Sizilianisch (Rossolimo-Variante)} (6. c3 a6 7. Bd3 Be7 8. Bc2 Ne5 9. d4 Nxf3+ 10. Qxf3 O-O 11. dxc5 dxc5 12. Bf4 Bd7 13. Na3 b5 14. Rad1 Qc8 {½-½ (64) Henriquez Villagra,C (2517)-Amonatov,F (2620) Doha 2016}) 6... Be7 7. Nc3 O-O 8. Bxd7 $146 {Die Stellung ist ausgeglichen.} ({Vorgänger:} 8. Qe2 Qc7 9. Ba4 a6 10. d4 cxd4 11. Nxd4 Ne5 12. Bb3 Bd7 13. h3 Rac8 {½-½ (52) Shepley,J (2042)-Stevenson,J (2073) England 2016}) 8... Bxd7 9. d4 cxd4 10. Qxd4 Qc7 11. h3 a6 12. a4 Rfd8 13. Be3 Rac8 14. Nd2 Be8 15. Qb6 Qb8 16. a5 Bc6 17. Bf4 Nd7 18. Qe3 Ne5 19. Na4 Bxa4 20. Rxa4 Qc7 21. Qb3 Qc6 {[#] Droht ...Sd3! und aus.} 22. Raa1 Rd7 23. Rec1 Rdc7 24. c5 (24. Be3 $11 {bleibt in der Remisbreite.}) 24... Qd7 $17 25. Bxe5 (25. Be3 $17) 25... dxe5 $19 26. Nf3 Bxc5 27. Rd1 Qc6 28. Qd3 f6 29. Rac1 (29. Rdc1 {kämpft weiter.}) 29... Qa4 30. Ra1 Qb4 31. Rd2 Be7 32. Qf1 Qxe4 33. Rad1 Qa4 34. Ra1 Qb4 35. Qd1 Qb5 36. Kh1 Kf7 37. Ng1 e4 38. Ne2 Qe5 39. Nc3 f5 40. Rd4 g6 41. Raa4 Qf4 42. f3 Bf6 43. Rd7+ Ke8 44. Rxc7 Rxc7 (44... Qxc7 $2 45. fxe4 Bxc3 46. bxc3 $19) 45. Ne2 Qe3 46. fxe4 Be5 47. exf5 $2 {[#]} (47. Nc3) 47... Qxe2 $1 {[%mdl 512] Precision: Weiß = 35%, Schwarz = 70%.} 0-1

[Event "3rd Kolkata GM Open 2018"]
[Site "Kolkata"]
[Date "2018.05.22"]
[Round "9"]
[White "Sahoo Utkal Ranjan"]
[Black "Laxman, R.R"]
[Result "1/2-1/2"]
[ECO "E51"]
[BlackElo "2444"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2018.??.??"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,129,0,0,0,0,-3,0,-10,0,0,-8,-15,0,0,0,-36,-8,-1,0,3,4,8,7,-17,-19,-37,-19,-41,-20,-85,-73,-74,-56,-83,-26,-56,-20,-20,-20,-16,-18,-18,-18,-44,-50,-33,-25,-55,0,0,0,0,0,-64,-24,-18,11,16,28,15,24,39,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,799,-8,-8,-8,-8,-23,-23,-23,0,-23,-8,-8,-8,-8,0,0,0,-8,-8,-8,0,0,4,8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. Nf3 O-O 8. Bd3 b6 9. O-O Ba6 10. cxd5 cxd5 11. Bxa6 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} Nxa6 12. Qe2 Nb8 {[%cal Ba6b8,Bb8c6,Bc6a5,Ba5c4][%mdl 32]} 13. c4 Nc6 14. Nd2 $146 ({Predecessor:} 14. cxd5 Qxd5 15. Bd2 Na5 16. Bxa5 Qxa5 {0-1 (32) Vidonyak,R (2405)-Cieza,A (2535) Boeblingen 1995}) 14... Na5 15. Bb2 Qd7 16. cxd5 exd5 17. f3 Rfe8 18. e4 b5 19. e5 Nc4 20. Nb3 Qc6 21. Rf2 (21. Qf2 $5 {[%cal Re5f6]} Nd7 22. Rfc1 $15) 21... Nd7 22. Qd3 Qg6 23. Rd1 a5 24. f4 (24. Nc1 $11) 24... Qxd3 $17 25. Rxd3 Rec8 ({Weaker is} 25... Nxb2 26. Rxb2 Rec8 27. Nd2 $16) 26. f5 Ndb6 (26... a4 $17 27. Nc5 Nxc5 28. dxc5 Rxc5) 27. Nc5 {[#]} Nxe5 $1 {[%mdl 512]} 28. dxe5 {Black must now prevent Bd4.} Rxc5 29. e6 {aiming for Rg3.} Na4 30. Bd4 Rc4 31. Be5 f6 32. Bb2 Nb6 33. Re2 Rf4 (33... b4 $15) 34. Rf2 $36 {[%mdl 2048] White has good play.} Re4 ({Better is} 34... Ra4 $11) 35. Rc2 $15 Rc4 36. Re2 Re8 37. Rg3 {Threatens to win with Bxf6.} Kf8 38. Rb3 b4 39. axb4 a4 40. Rd3 {And now Bd4 would win.} Rec8 41. Bd4 Rxb4 42. Bxb6 Rxb6 43. Rxd5 $11 {[%mdl 4096] Endgame KRR-KRR} Ra6 44. Ra2 a3 45. Rd3 Rca8 46. Kf2 R8a7 47. Kf3 Ke7 48. g4 Ra5 49. h3 g6 50. Kf4 Ra4+ 51. Kg3 gxf5 52. gxf5 h5 53. Kf3 Ke8 $2 {[%mdl 8192] [#]} (53... R4a5 $11 54. Kf4 Rb7) 54. Ke2 $2 ({Only move:} 54. Rg2 $1 $18 {[%cal Rg2g8] Rg8+ would kill now.} Rg4 55. hxg4) 54... R7a5 55. Rf3 Ke7 56. Kd2 Rd4+ 57. Ke2 Rda4 58. Kd2 h4 59. Ke2 {The position is equal.} Ra7 60. Kf2 Kd6 61. Rd3+ Ke7 62. Rf3 R4a5 63. Ke2 Kd6 64. Rd3+ Kc5 65. Re3 {Precision: White = 62%, Black = 58%.} 1/2-1/2

