[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Pantsulaia, Levan"]
[Black "Adireddy Tarun"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2597"]
[BlackElo "1661"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,80,72,66,72,60,69,69,59,62,103,106,120,117,219,160,235,187,239,240,337,343,495,511,520,510,514,502,775,330,310,220,1142,493,495,488,480,447,390,384,579,516,796,764,748,748,762,767,1245,1239,1210,1195,2317,2253,29986,29987,29987,29988,29987,29988,29991,29992,29993,29994,29996,29996,29997,29998,29998,29999,29999]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 {[#]} 5. Nxe5 $1 {[%mdl 576] Remove Defender} Nxe5 6. d4 Bxd4 7. Qxd4 d6 {A28: English Opening: Four Knights Variation} 8. Bg5 $146 (8. Be2 O-O 9. O-O h6 10. f3 a6 11. Be3 Be6 12. Rfd1 Re8 13. b3 Nfd7 14. f4 Nc6 15. Qd2 {1-0 (62) Panjwani,R (2444)-Obregon,C (2514) chess.com INT 2018}) 8... h6 9. Bh4 Nc6 {White is slightly better.} 10. Qd3 g5 11. Bg3 Qe7 12. h4 {aiming for hxg5.} Bf5 (12... g4 $16) 13. f3 {Black must now prevent hxg5.} O-O-O (13... Bh7 $16 14. hxg5 hxg5) 14. Nd5 $18 Nxd5 (14... Qe6 $142) 15. cxd5 ({Inferior is} 15. Qxd5 Be6 $11) 15... Ne5 (15... Nb8 $142 16. Qd4 Rhg8) 16. Qe3 Bg6 (16... Nd7 $142 17. Bf2 Bxe4 18. fxe4 Nc5) 17. Qxa7 {Strongly threatening Bb5.} Nd7 18. Bb5 Nb8 19. Bf2 Qe5 (19... Bxe4 $142 20. Qe3 {[%mdl 64] Pin} f5) 20. Bd4 (20. O-O $142) 20... Qg3+ 21. Kf1 Bh5 $2 (21... g4) 22. Bxh8 (22. Rh3 $142 Qxh3 23. gxh3) 22... Rxh8 23. Qf2 Qe5 24. hxg5 hxg5 25. Rc1 c5 (25... Bxf3 {is a better defense.} 26. Rxh8+ Qxh8 27. Qxf3 Qh1+ 28. Kf2 Qxc1) 26. Kg1 Nd7 (26... g4 $142 27. fxg4 Bxg4 28. Rxh8+ Qxh8) 27. Bxd7+ Kxd7 28. b4 b6 29. a4 Bg6 30. Rxh8 Qxh8 {[%mdl 4096] Endgame KQR-KQB} 31. a5 {[%mdl 64] [#] Overworked Piece} bxa5 32. bxc5 Qc8 33. c6+ {White mates.} Ke7 34. Qa7+ Kf6 35. Qb7 Qxb7 36. cxb7 {KR-KB} a4 37. b8=Q Ke5 38. Qb2+ Kf4 39. Kf2 {[%csl Gf2][%cal Rg2g3]} g4 40. Qf6+ {[%mdl 64] Double Attack} Bf5 41. g3# {Accuracy: White = 73%, Black = 20%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Popov, Ivan"]
[Black "Adarsh Tripathi"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2588"]
[BlackElo "1656"]
[Annotator "TA"]
[PlyCount "125"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,125,88,105,108,67,100,97,100,75,95,69,77,48,61,33,43,32,18,21,35,35,13,0,0,0,0,0,0,0,0,0,0,23,264,240,231,219,204,204,433,425,535,529,516,489,453,489,457,456,443,414,359,76,672,657,588,587,29966,29969,29987,6612,29966,29970,29963,29968,29966,29966,29957,29941,6295,5281,2478,2376,1533,1689,29974,29975,29975,29975,29973,29977,29980,29981,29981,29982,29982,29983,29983,29983,29989,29990]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8 15. h4 h6 16. h5 {B76: Sicilian Dragon: Yugoslav Attack, 9 g4 and 9 0-0-0} (16. g4 f5 17. gxf5 gxf5 18. Nd6 Rf8 19. Ba6 Qf6 20. Rdg1 Kh7 21. h5 Nf4 22. Nc4 Rfd8 23. Qe1 Bh8 24. Bb4 {0-1 (39) Piorun,K (2681)-Cubas,J (2470) Baku 2016}) 16... g5 17. g4 Qc7 18. Bc4 Red8 19. Qf2 {LiveBook: 7 Games} Qa5 20. Bb3 $146 ({Predecessor:} 20. Qe1 Qc7 21. Bb3 a5 {0-1 (67) Travkina,A (2204)-Rodionova,P (2007) Pushchino 2012}) 20... Rab8 21. Kb1 (21. Bxa7 Rxb3 22. cxb3 Qxa2 $17) 21... Nf4 22. Be7 Bxb3 23. axb3 Rd5 24. b4 Qa6 25. Bc5 Rbd8 26. Nc3 Rxd1+ 27. Rxd1 Rxd1+ 28. Nxd1 Nd5 29. Ne3 Nxe3 30. Qxe3 Qf1+ 31. Ka2 Qc4+ 32. Ka3 Qxc2 33. Qe4 Qc1 34. Qxc6 a5 $2 (34... a6 $11 {and Black has nothing to worry.}) 35. Qe8+ ({Weaker is} 35. bxa5 Bf8 $16) 35... Kh7 36. Qxf7 {Threatens to win with Bf8.} Qa1+ {[#]} 37. Qa2 $1 {[%cal Ra2a1]} ({Don't do} 37. Kb3 $6 Qd1+ 38. Ka3 axb4+ 39. Bxb4 Qa1+ 40. Kb3 Qd1+ 41. Ka2 Qa4+ 42. Ba3 Qa8 $16) 37... Qc1 $2 {[#]} (37... axb4+ 38. Bxb4 Qd1) 38. Qd5 $1 $18 Qa1+ 39. Kb3 axb4 40. Bxb4 Qa7 41. Bc3 Qb6+ 42. Kc2 Qf2+ 43. Kd3 Qf1+ 44. Ke4 $2 (44. Kd2 $18 {has better winning chances.}) 44... Qb1+ $2 {[%mdl 8192]} (44... Qe2+ $16 45. Kf5 Qa6) 45. Qd3 Qa2 46. Bxe5 Qa1 47. Ke3+ Kg8 48. Bxg7 (48. Qc4+ $142 Kh7 49. Qc2+ Kg8 50. Qc8+ Kf7 51. Qd7+ Kf8 52. Qxg7+ {[%mdl 64] Double Attack} Ke8 53. Qg6+ Kd7 54. Qd6+ Ke8 55. Qc6+ Ke7 56. Bd6+ Kf7 57. Qd7+ Kg8 58. Qe8+ Kh7 59. Qg6+ Kh8 60. Be5#) 48... Kxg7 {[%mdl 4096] Endgame KQ-KQ} 49. Qg6+ Kf8 50. Qxh6+ Kf7 51. Qg6+ Kf8 52. Qf6+ Ke8 53. Qe5+ Kf8 54. Kf2 Qc1 55. h6 Qd2+ 56. Kg3 {White mates.} Qc1 57. Qb8+ Kf7 58. Qa7+ Kf8 59. h7 {[%cal Rh7h8]} Qe1+ 60. Qf2 Qh1 61. Qc5+ {[%mdl 64] Double Attack} Kf7 62. Qf5+ Ke8 {[#]} 63. h8=Q+ $1 {Accuracy: White = 65%, Black = 46%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Aleksandrov, Aleksej"]
[Black "Aakash G"]
[Result "1-0"]
[ECO "D47"]
[WhiteElo "2582"]
[BlackElo "1636"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,64,8,33,-36,31,0,0,0,0,0,0,4,27,18,69,57,106,35,29,29,180,201,239,247,935,285,931,926,897,908,1474,1442,1427,1390,29975,29970,29988,29989,29994,29995,29995,29996,29997,29998,29998,29999,29999]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Be2 Bb7 9. O-O Be7 10. a3 O-O {LiveBook: 3 Games. D45: Semi-Slav: 5 e3} (10... a5 11. b3 O-O 12. Bb2 b4 13. axb4 axb4 14. Na4 c5 15. Nd2 Rc8 16. Bf3 Ba6 17. Re1 cxd4 18. Bxd4 e5 {½-½ (67) Lysyj,I (2691)-Frolyanov,D (2572) Sochi 2015}) 11. b4 ({White should play} 11. e4 $14) 11... Nb6 $146 (11... a5 $15 12. Rb1 axb4 13. axb4 Nd5 14. Nxd5 exd5) ({Predecessor:} 11... a5 12. Rb1 axb4 13. axb4 Nb6 14. Ne5 Nfd5 15. Bd2 Nxb4 16. Nxb5 N4d5 {½-½ (33) Martin Catalan,J (2107)-Barros Gutierrez,A (2185) Spain 2010}) 12. e4 a5 {The position is equal.} 13. Rb1 axb4 14. axb4 Na4 15. Nxa4 Rxa4 16. Bd3 $1 h6 ({Much less strong is} 16... Rxb4 17. Rxb4 Bxb4 18. Be3 $15) (16... Qd7 $11) 17. Qe2 $14 Rxb4 {[#]} 18. Rxb4 (18. e5 $1 $16 {[%cal Re5f6]} Nd5 19. Qe4) 18... Bxb4 19. e5 Nd5 $2 (19... Nd7 $1 $11 {and Black stays safe.}) 20. Qe4 $18 {[%csl Gd3][%cal Re4h7]} f5 21. exf6 $1 $40 {[%mdl 128] White goes for the king.} Qxf6 $2 {[#]} (21... Nxf6 22. Qxe6+ Rf7) 22. Qh7+ $1 Kf7 {[#]} 23. Bg6+ $1 {[%mdl 512]} Ke7 (23... Qxg6 24. Ne5+) 24. Bxh6 Qxg6 25. Qxg6 gxh6 26. Ne5 {White threatens Qg7+ and mate.} Kd6 27. Qg7 {[%csl Ge5][%cal Rg7d7][%mdl 64] Double Attack. White mates.} Rd8 28. Qxb7 {[%cal Re5f7]} Nc7 29. Qxc6+ Ke7 30. Qxc7+ Kf6 31. Qf7+ Kg5 32. Nf3+ Kg4 33. h3# {Accuracy: White = 69%, Black = 25%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Deepan Chakkravarthy J."]
[Black "Niharika Ch"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2543"]
[BlackElo "1631"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,61,39,22,60,45,90,39,41,33,37,30,26,40,61,43,72,70,75,79,85,81,111,75,185,176,176,150,186,185,231,219,302,154,187,167,181,190,175,164,181,167,208,172,849,856,860,888]} 1. Nf3 c5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. Nc3 d6 7. d4 Na6 8. h3 Bd7 9. b3 {LiveBook: 15 Games} Nc7 {E65: King's Indian: Fianchetto: 6...c5 7 0-0 without d5 by White} (9... Qc8 10. Kh2 Bc6 11. Bb2 cxd4 12. Nxd4 Bxg2 13. Kxg2 Nc5 14. Qc2 b6 15. e4 Qb7 16. f3 Rac8 17. Rad1 {1-0 (30) Edouard,R (2613)-Lopez Rivera,J (2351) Roquetas de Mar 2017}) 10. Bb2 Rb8 11. Rc1 $146 (11. dxc5 $16 dxc5 12. Ne5) ({Predecessor:} 11. Qd2 Qc8 12. Kh2 b5 13. dxc5 dxc5 14. Ne5 bxc4 15. Nxc4 Rd8 16. Qc2 Ne6 17. e3 Bc6 18. Bxc6 Qxc6 {1-0 (44) Truta,S (2173)-Bartakovic,T (2124) Sibenik 2015}) 11... cxd4 $14 {White is slightly better.} 12. Nxd4 a6 13. b4 Ne6 14. Nb3 Bh6 15. e3 Ng5 16. g4 Bg7 17. f4 Ne6 18. Qd2 Nc7 19. Rfd1 b6 {[#]} (19... Bc6 $16 {keeps fighting.}) 20. e4 $1 $18 Be6 21. Nd5 Bxd5 22. cxd5 Nfe8 23. Nd4 Qd7 24. Rc6 ({Better is} 24. e5 $18) 24... e5 25. Nf3 {[%cal Rf4e5]} exf4 {[#]} 26. Bxg7 $1 Nxg7 27. Rdc1 Rfc8 28. Qxf4 Nce8 29. e5 {[%cal Be4e5,Be5f6][%mdl 32]} Rd8 $2 (29... Rxc6 30. dxc6 (30. Rxc6 Rc8 $16) 30... Qc7) 30. Qh6 f6 31. exf6 {[%mdl 64] Trapped Piece. Accuracy: White = 44%, Black = 39%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Tran, Tuan Minh"]
[Black "Tejes Suresh Kumar"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2541"]
[BlackElo "1618"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,101,45,87,21,81,66,143,134,150,142,148,141,222,218,214,208,206,197,214,215,219,217,285,304,316,300,310,307,311,309,366,360,418,414,428,438,422,416,473,455,455,458,500,497,585,572,717,712,922,673,928,900,1019,1012,1003,987,956,950,2528,2128,2570,2403,5235,4929,2047,3427,3754,3772,2922,2915,29984,29985,29986,29987,29989,29990,29990,29991,29992,29993,29994,29995,29995,29996,29996,29997,29997,29998]} 1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd5 Bc5 6. e3 O-O 7. Ne2 Re8 8. O-O d6 {LiveBook: 6 Games} 9. h3 {A25: English Opening vs King's Indian with ...Nc6 but without early d3} (9. d4 $16 Bb6 10. b3) (9. d4 Bb6 10. Nxb6 axb6 11. d5 Ne7 12. e4 Ng6 13. Nc3 Bg4 14. Qc2 Qd7 15. a4 Bh3 16. f3 h6 {½-½ (53) Timofeev,A (2681)-Andriasian,Z (2585) Belgorod 2010}) 9... e4 (9... Nxd5 $11 10. cxd5 Ne7) 10. Nec3 $16 Bf5 (10... Bb6 $14) 11. f3 $146 {White is clearly better.} ({Predecessor:} 11. Qc2 Nxd5 12. cxd5 Nb4 13. Qb1 Qe7 14. f3 exf3 15. Qxf5 fxg2 16. Kxg2 Bb6 {1-0 (35) Corrales Ibanez,P (2105)-Montenegro Garcia,M (2000) Malaga 1997}) 11... exf3 12. Nxf6+ Qxf6 13. Qxf3 {Strongly threatening Nd5.} Bd3 (13... Ne7 $16 {was necessary.}) 14. Qxf6 $18 gxf6 15. Rf4 $1 Nb4 {[#]} 16. a3 $1 {[%cal Ra3b4]} (16. Bxb7 $6 Rab8 $16) (16. Rxf6 Nc2 $11) 16... Nc2 {[#]} 17. Ra2 $1 c6 18. b4 Bd4 19. Rxc2 ({Weaker is} 19. exd4 Re1+ 20. Kh2 Rxc1 $16) 19... Bxe3+ 20. dxe3 Bxc2 21. Be4 ({Don't do} 21. Rxf6 Re6 $18) 21... Bb3 22. Rg4+ ({Don't take} 22. Rxf6 $6 Bxc4 23. Rxd6 Rad8 $18) 22... Kf8 23. Bxh7 d5 24. cxd5 cxd5 25. Kf2 Ke7 26. Bf5 a6 27. Bb2 Rh8 28. h4 Rh5 29. Rf4 b5 30. Ne2 a5 31. bxa5 Rxa5 32. Bc3 Ra7 33. Nd4 {[%mdl 64] Double Attack} Ke8 34. Nxb3 Rxa3 35. Bc2 d4 36. Rxd4 Rc5 37. Re4+ {[%mdl 64] Discovered Attack} Kd8 38. Bxf6+ Kc8 39. Nxc5 Ra2 40. Re8+ Kc7 41. Be5+ Kb6 42. Nd7+ Kc6 43. Nb8+ {White mates.} Kb7 44. Re7+ Kc8 45. Rc7+ Kxb8 46. h5 b4 47. h6 b3 48. h7 {[%cal Rh7h8]} Rxc2+ 49. Rxc2+ Kb7 50. Rc7+ {[%mdl 64] Double Attack} Kb6 51. h8=Q {Accuracy: White = 80%, Black = 19%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Karthik Venkataraman"]
[Black "Chirag Mudraje"]
[Result "1-0"]
[ECO "B72"]
[WhiteElo "2515"]
[BlackElo "1600"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,143,33,5,22,0,39,39,94,101,97,67,83,70,83,60,61,65,60,61,77,69,99,108,110,105,97,106,118,117,146,158,388,92,157,94,235,158,160,145,143,154,175,164,154,138,129,129,129,109,176,95,180,77,89,79,85,97,104,89,100,99,117,123,123,125,135,0,111,104,115,108,114,103,109,112,114,103,156,156,156,156,169,97,206,207,207,206,316,281,629,629,629,629,596,589,581,574,558,550,683,382,235,251,350,176,1978,906,1918,1785,29957,1550,29970,29971,29968,29970,29966,29954,29974,29974,29972,29974,29978,29978,29978,29979,29977,29972]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc6 8. Qd2 Ng4 9. Bxg4 Bxg4 10. f3 {LiveBook: 13 Games} Be6 {B72: Sicilian Dragon: 6 Be3, lines with h3+Bc4 and sidelines} (10... Bd7 11. h4 Ne5 12. b3 Rc8 13. h5 gxh5 14. Rxh5 Qa5 15. Nd5 Qxd2+ 16. Kxd2 e6 17. Nf4 Ng6 18. Nd3 {1-0 (48) Vachier Lagrave,M (2796)-Jones,G (2665) chess.com INT 2017}) 11. h4 $146 ({Predecessor:} 11. Nxe6 fxe6 12. Bh6 Bxc3 13. Qxc3 Qa5 14. Qxa5 Nxa5 15. O-O-O Kf7 16. h4 Rhg8 17. b3 b5 18. Kb2 {0-1 (48) Hansen,M (2224)-Lund,S (2388) Helsingor 2011}) 11... Ne5 12. b3 $1 a5 (12... Qa5 $14) 13. a4 $16 h5 14. O-O O-O 15. Rad1 Rc8 16. Rfe1 Bf6 17. Bf2 Nc6 18. Nce2 Kh7 19. Nb5 Qd7 20. Nf4 Nb4 21. c4 Qd8 22. Nc3 Re8 23. Re2 Qc7 24. Nb5 Qd8 $2 (24... Qd7 $16 25. Bb6 Nc6) 25. Qe1 $2 (25. Nxe6 $18 fxe6 26. e5 $1 {[%mdl 512]} Bxe5 27. Rxe5 $1 {[%mdl 576] Clearance} dxe5 28. Qe2) 25... Be5 (25... Bd7 $142) 26. Be3 (26. Nxe6 $142 fxe6 27. g3) 26... Na6 (26... Bd7 $16) 27. Nd3 Bg7 28. Qf2 Rc6 29. Na7 Qa8 30. Nxc6 bxc6 31. Ree1 Rb8 32. Rb1 Nb4 33. Nf4 Rb7 (33... Bd7 $16) 34. Red1 (34. Nxe6 $18 fxe6 35. Qe2) 34... c5 (34... Bc8 $16 35. Qd2 c5) 35. Nd5 (35. Nxe6 $18 fxe6 36. g4) 35... Nxd5 36. cxd5 Bd7 37. Qc2 Qb8 38. Bd2 Qa7 {White should prevent ...c4+.} 39. Kh1 Bf6 40. Be1 Kg7 41. Bc3 Rb6 42. Be1 ({Better is} 42. Kh2 $16) 42... Kh7 (42... Rb7 $1 $11) 43. g3 Kg8 44. Kg2 Bd4 45. Bd2 Bg7 46. Re1 Qa8 47. Bg5 Bf6 (47... Qb8 $142) 48. Bxf6 exf6 49. Qc3 Kg7 50. f4 (50. Rbd1 $18) 50... Qb8 (50... Qb7 $16 {might work better.}) 51. e5 $18 Qb7 52. exf6+ Kh7 (52... Kg8 {was necessary.} 53. Qd2 (53. Qxa5 Qxd5+ 54. Kh2 Qf5 $16) 53... Rxb3 54. Rxb3 (54. Qxa5 {is a self mate.} Qxd5+ 55. Kh2 Bc6 56. Re8+ Kh7 57. Rh8+ Kxh8 58. Rg1 Rb2+ 59. Kh3 Bd7+ 60. f5 Bxf5+ 61. g4 hxg4+ 62. Kg3 Qf3#) 54... Qxb3) 53. Qd2 {Hoping for Re7.} Rxb3 $2 (53... Be6 54. Kf2 Qxd5 55. Qxd5 (55. Qxa5 Rb4 $17) 55... Bxd5) 54. Rxb3 Qxb3 {[%mdl 4096] Endgame KQR-KQB} 55. Re7 {[%mdl 64] Double Attack} Bg4 56. Rxf7+ Kg8 57. Rg7+ Kf8 58. f5 gxf5 59. Re7 {White threatens Qh6+ and mate.} f4 60. Qxf4 Qxd5+ 61. Kg1 (61. Kf2 $142 {White wants to mate with Qh6+.} Qa2+ 62. Kg1 Qb1+ 63. Kg2 Qb2+ 64. Qf2 Bf3+ 65. Kg1) 61... Qd4+ $2 (61... Qd1+ 62. Kg2 Qd5+ 63. Kf2 Qa2+ 64. Kg1 Qa1+ 65. Kg2 Qb2+ 66. Qf2 Qb3) 62. Qxd4 cxd4 {KR-KB} 63. Re4 d3 {[#]} 64. Rd4 (64. Rxg4 $142 $1 {[%mdl 512]} hxg4 65. Kf2 Kf7 66. Ke3 Kxf6 67. Kxd3 Ke5 68. Ke3 d5 69. Kd3) 64... Bf5 65. Rxd6 {White mates.} Kf7 66. Kf2 Be6 67. Ke3 Kxf6 68. Kxd3 Ke5 69. Ra6 Kf5 70. Rxa5+ Kg4 71. Rg5+ Kf3 72. a5 {Accuracy: White = 56%, Black = 30%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Deviatkin, Andrei"]
[Black "Antony Jesumarian Leslie"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2461"]
[BlackElo "1585"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,90,-20,1,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,29,28,29,-17,23,23,27,27,43,28,68,36,36,40,68,68,68,71,68,68,148,148,127,135,139,131,109,121,244,231,221,227,331,312,691,622,838,816,732,564,1062,1049,949,858,858,783,2132,1949,29986,29987,29985,29986,29994,29995,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 O-O-O {LiveBook: 3 Games. C68: Ruy Lopez: Exchange Variation, sidelines} (10... Bd6 11. Nd2 Ne7 12. Rfb1 Ng6 13. Kf1 c5 14. Nc4 Be7 15. a3 a5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 cxb4 19. Ra8+ Bd8 20. Na5 b6 {½-½ (40) Solak,D (2641)-Ding,L (2783) Khanty-Mansiysk 2017}) 11. Nd2 Bd6 12. Rfb1 Ne7 {The position is equal.} 13. b4 f6 14. Kf1 g5 15. Ke2 $146 ({Predecessor:} 15. c4 Ng6 16. b5 cxb5 17. cxb5 a5 18. Nc4 b6 {0-1 (48) Korning,P (2080)-Press,H (1892) Gibraltar 2017}) 15... Ng6 16. a4 b6 17. a5 b5 18. c3 {[%cal Bc2c3,Bc3c4,Bc4c5][%mdl 32]} Nf4+ (18... h4 {looks sharper.} 19. Rg1 Nf8 20. Nb3 Ne6 21. d4 Kb7) 19. Bxf4 $1 gxf4 20. c4 Kb7 21. c5 Be7 22. Nb3 Rhg8 23. Rg1 Rg5 24. Rad1 Rdg8 $1 25. Rxg5 (25. Rh1 {is interesting.} h4 26. d4 Kc8 27. Nc1 Bf8 28. Nd3) 25... Rxg5 $14 {[%mdl 4096] Endgame KRB-KRN} 26. d4 Kc8 27. Nc1 h4 28. Nd3 Kb7 (28... Bf8 $1 $14) 29. Kf1 $1 $16 Kc8 30. Ne1 $1 Bf8 31. Ng2 Rh5 32. Ke2 Bh6 (32... Bg7 $16 {was necessary.}) 33. Rg1 $1 $18 Kd7 {[#]} 34. Ne1 $1 Rg5 {[#]} (34... Bf8 $142 35. dxe5 fxe5) 35. Rg4 $1 Rxg4 $2 (35... Ke8 36. Rxh4 Rg6) 36. fxg4 {KB-KN} Ke6 37. Nf3 exd4 38. Nxd4+ Ke5 39. Kd3 Bg5 40. Nxc6+ Ke6 41. Nd4+ Ke5 {[#]} 42. Nxb5 $1 {[%mdl 576] Promotion} axb5 43. a6 {White mates.} f3 44. a7 c6 45. a8=Q Kf4 46. Qb8# {Accuracy: White = 89%, Black = 38%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Khusenkhojaev, Muhammad"]
[Black "Harsh Suresh"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2455"]
[BlackElo "1575"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,77,17,14,39,35,30,22,25,29,94,91,114,97,118,48,32,48,49,52,68,68,89,52,77,72,186,187,175,95,185,177,185,169,304,311,491,481,562,374,548,537,600,614,597,599,739,740,752,742,800,768,842,822,912,925,855,843,968,890]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Nbd7 10. Bf4 Nh5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} 11. Be3 {LiveBook: 8 Games} Rc8 $146 ({Predecessor:} 11... Nhf6 12. Qc1 c6 13. Bf4 Nh5 14. Bd2 Nhf6 15. Bf4 {½-½ (15) Lputian,S (2633)-Azarov,S (2586) Kemer 2007}) 12. a3 Nhf6 {White is slightly better.} 13. Rc1 a6 14. Ne5 Nxe5 (14... Bd6 $11 {remains equal.}) 15. dxe5 $16 Ng4 {[#]} 16. Bf4 $1 {Black must now prevent e4.} (16. Bxd5 $6 Nxe3 17. fxe3 c6 $11) (16. Nxd5 $6 Bxd5 17. Qxd5 Qxd5 $11) 16... g5 {[#]} 17. e4 (17. e3 $1 $16) 17... Nxf2 $14 18. Kxf2 {Be3 is the strong threat.} gxf4 19. exd5 Bc5+ 20. Kf1 Be3 21. Qg4+ Kh8 {And now ...Rg8 would win.} 22. Qf5 {White threatens Be4! and mate.} Rg8 {[#]} (22... f6 $16 {was called for.}) 23. Be4 $1 $18 {[%csl Ge4][%cal Rf5h7][%mdl 512]} Rg7 24. Rc2 (24. Rxe3 $18 fxe3 25. d6) 24... Qg5 (24... a5 $16) 25. d6 $36 {[%mdl 2048] Keeping Black busy.} Qxf5 26. Bxf5 Rcg8 (26... cxd6 $142 27. Bxc8 (27. exd6 Rd8 $14) 27... Bxc8) 27. dxc7 Bc5 (27... Rg5 $142) 28. Ne4 a5 29. c8=Q Rxc8 (29... Bxc8 {was worth a try.} 30. Bxc8 Rxc8) 30. Bxc8 {White is clearly winning.} Bxc8 31. Nxc5 bxc5 32. Rxc5 {[%mdl 4096] Endgame KRR-KRB} Ba6+ 33. Kf2 fxg3+ 34. hxg3 Rg5 35. Rxa5 Rf5+ 36. Ke3 Bb7 37. Kd4 Rf2 38. b4 Kg7 39. e6 {Precision: White = 65%, Black = 26%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Nguyen, Van Huy"]
[Black "Shravan Swaminathan"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2450"]
[BlackElo "1569"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,126,30,27,19,31,74,42,38,26,39,9,5,9,26,13,31,15,45,-13,-6,-18,0,0,0,0,10,-6,0,0,26,0,18,0,64,53,55,51,273,241,361,277,497,454,450,449,654,645,778,604,1209,1209,1157,1136,1757,1707,2441,2300,4121,3299,29973,29974,29974,29975,29976,29977,29976,29977,29977,29978,29978,29979,29979,29980,29985,29986,29986,29987,29987,29988,29988,29987,29989,29990,29990,29991,29991,29991,29991,29992,29992,29993,29993,29994,29994,29995,29995,29995,29996,29997,29997,29998,29998,29999,29999]} 1. d4 c6 2. Nf3 d5 3. c4 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 h6 7. Bh4 Nbd7 8. Rc1 O-O 9. Bd3 dxc4 10. Bxc4 b5 11. Bd3 Bb7 12. O-O a6 13. Bxf6 {LiveBook: 16 Games} Bxf6 {D66: Queen's Gambit Declined: Classical: Main Line (7 Rc1 c6 8 Bd3)} 14. Ne4 Qe7 $146 ({Predecessor:} 14... Be7 15. Qc2 Qb8 16. Qc3 b4 17. Qb3 Qa7 18. Bb1 g6 19. Nc5 Nxc5 20. dxc5 Rad8 21. Qxb4 {1-0 (44) Wirig,A (2472)-Leconte,M (2334) Le Port Marly 2009}) 15. Nc5 Nxc5 {White is slightly better.} 16. Rxc5 Rfd8 17. Qc2 Rd5 $1 18. b4 Rad8 19. Rd1 g6 20. a3 e5 21. e4 ({Better is} 21. Nxe5 $14 Bxe5 22. dxe5) 21... Rxc5 $11 22. dxc5 Bc8 23. h3 Be6 24. a4 Rd7 25. Ra1 Ra7 26. Qc3 Bc8 27. Nd2 Kf8 28. Nb3 Qe8 (28... Rd7 $11) 29. axb5 $14 cxb5 30. Nd2 {[%cal Bb3d2,Bd2c4,Bc4b6,Bb6d5][%mdl 32]} Qd8 $2 {[#]} (30... Kg7 $14) 31. Bxb5 $1 $18 {[%mdl 576] Pin} Qe7 (31... h5 $142 32. Nf3 Qc7) (31... axb5 32. Rxa7) 32. Bc4 Ra8 $2 (32... a5) 33. Bd5 Ra7 34. Nc4 Be6 (34... Rc7 $142 35. Qd3 Kg7) 35. Nb6 Kg7 36. Qc4 Bxd5 37. Nxd5 Qe6 38. c6 Qc8 39. Qc5 Rc7 40. Nxc7 Qxc7 41. Rxa6 {[%mdl 4096] Endgame KQR-KQB} Be7 42. Ra7 {White mates.} Bxc5 43. Rxc7 Bxb4 {KR-KB} 44. Rd7 Ba5 45. c7 Bxc7 46. Rxc7 {KR-KP} Kf6 47. Kf1 Ke6 48. Ke2 f5 49. Rc6+ Kf7 50. exf5 gxf5 51. Rxh6 {KR-KPP} Kg7 52. Re6 e4 53. g4 fxg4 54. hxg4 {KR-KP} Kf7 55. Ra6 Kg7 56. Ke3 Kh7 57. Kxe4 {KR-K} Kg7 58. Kf5 Kf7 59. Ra7+ Ke8 60. Ke6 {[%cal Ra7a8]} Kf8 61. g5 {[%cal Bg4g5,Bg5g6][%mdl 32]} Kg8 62. Kf6 Kh8 63. g6 {[%cal Ra7a8]} Kg8 64. Ra8# {Accuracy: White = 49%, Black = 18%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Sathish Chandra, G."]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1665"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,154,-14,20,0,44,12,37,-40,-50,-56,-45,-93,-79,-97,-86,-91,-78,-67,-78,-75,-49,-46,-25,-43,-35,-50,-49,-39,-50,-42,-39,-39,-23,-26,0,9,27,12,139,143,165,154,162,165,167,169,101,147,133,132,183,131,156,0,0,0,0,0,0,0,0,0,0,0,75,74,76,18,39,24,56,15,168,168,168,132,132,152,260,255,246,239,237,10,10,0,234,225,910,910,808,803,1297,1206,868,781,747,0,675,0,720,0,659,0,660,660,660,653,641,626,619,0,198,0,619,0,192,69,69,0,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,0,60,0,60,0,60,0,60]} 1. Nf3 b6 2. g3 Bb7 3. Bg2 g6 4. d4 (4. c4 Bg7 5. Nc3 Nf6 6. b3 O-O 7. Bb2 c5 8. O-O Nc6 9. d4 Nxd4 10. Nxd4 Bxg2 11. Kxg2 cxd4 12. Qxd4 d6 13. Rad1 Nd7 14. Qd2 Nc5 15. Nd5 Bxb2 16. Qxb2 f6 17. b4 Nd7 18. Qb3 Rf7 19. Rd4 Ne5 20. f4 Nc6 {1-0 (65) Meier,G (2639)-Lenderman,A (2630) chess.com INT 2018}) 4... Bg7 5. Bf4 Nf6 6. Nc3 {A04: Unusual lines after 1 Nf3 and King's Indian Attack} c5 $146 ({Predecessor:} 6... a6 7. O-O O-O 8. Re1 Nh5 9. Bd2 d6 10. e4 Nd7 11. e5 dxe5 12. dxe5 {0-1 (80) Leinberger,B-Mook,K (1312) Frankfurt 2005}) 7. O-O O-O {[%cal Bh8f8,Bf8c8,Bc8c5,Bc5h5][%mdl 32]} 8. Nb5 (8. d5 $14) 8... a6 $15 9. Na3 cxd4 10. Bxb8 Qxb8 11. Nxd4 Rc8 12. c3 Bxg2 13. Kxg2 Qb7+ 14. Kg1 Rc5 15. e3 Rh5 16. Qf3 d5 17. Rad1 e5 18. Ne2 b5 19. Nc2 a5 20. a3 $1 Rc8 21. Qg2 Qd7 {[#]} 22. e4 $1 {[%mdl 512] [#]} d4 $1 {[%mdl 512] [#]} (22... dxe4 23. Rxd7) 23. Ne3 $1 {[%cal Rc3d4][%mdl 512]} (23. cxd4 Rxc2) 23... Qe6 (23... Ng4 $11) (23... dxe3 24. Rxd7) 24. cxd4 $16 exd4 25. Nf4 {[%mdl 64] Double Attack} ({Much less strong is} 25. Rxd4 $6 Ng4 $14) ({Inferior is} 25. Nxd4 Qxe4 26. Qf3 a4 $11) 25... Qb3 26. Nxh5 dxe3 27. Nxf6+ Bxf6 28. fxe3 Bxb2 29. Qf2 $1 Rc2 (29... Rc7 $16 30. Qf4 (30. Rd8+ Kg7 $18) 30... Re7) 30. Rd8+ Kg7 31. Rd2 $2 (31. Rd3 $16 Qc4 32. Rd2 Rxd2 33. Qxd2 {[%mdl 64] Double Attack} Bxa3 34. Qxa5) 31... Rxd2 $11 32. Qxd2 {Strongly threatening Rb1.} Bxa3 {[%mdl 4096] Endgame KQR-KQB} 33. Qd4+ Kg8 34. Qd8+ Bf8 35. Qxa5 Qxe3+ {[%mdl 64] Double Attack} 36. Rf2 Qc1+ (36... Bc5 $11 {keeps the balance.} 37. Qd8+ Kg7 38. Qf6+ Kh6 39. Qh4+ Kg7 40. Qf6+ Kh6 41. Qh4+ Kg7 42. Qf6+) 37. Kg2 $16 Qc6 38. Qe1 (38. Re2 $1 $16) 38... b4 39. Qb1 h5 40. Qd3 f5 $2 (40... Bg7 $1 $11 {and Black stays safe.}) 41. Qd5+ $18 Qxd5 42. exd5 {KR-KB} Kf7 43. Re2 Bc5 (43... g5 $16 44. Re5 Kf6 45. Re6+ Kf7) 44. h4 $1 Bd6 {[#]} 45. Kf3 $1 Bc7 46. Rc2 $2 ({White should try} 46. Re3 $18) 46... Be5 $11 47. Re2 Kf6 $2 (47... Bc7 $1 $11 {and Black has nothing to worry.}) 48. Re3 $18 Bd4 $2 {[#]} (48... Bc7 49. Re6+ Kf7) 49. Rd3 $1 {[%cal Rd3d4]} Bb6 50. d6 {[%cal Bd5d6,Bd6d7][%mdl 32]} Ke5 51. d7 Bd8 52. Ke3 Bb6+ 53. Kf3 Bd8 54. Ke3 Bb6+ $1 55. Kf3 Bd8 56. Ke3 Bb6+ $1 57. Ke2 Bd8 58. Kf3 Kf6 59. Re3 Be7 60. Rd3 $2 (60. Rb3 Ke6 61. Rd3) 60... Bd8 61. Re3 $2 (61. Rd2) 61... Be7 $1 62. Rd3 $2 (62. Rb3) 62... Bd8 63. Kf4 (63. Rd2 $18) 63... Bc7+ $14 64. Kf3 ({Better is} 64. Ke3 $14 Ke7 65. Kf3) 64... Ke7 (64... Bd8 $1 $11) 65. Rd4 b3 $1 66. Rb4 Kxd7 67. Rxb3 {Hoping for Rb7.} Ke6 68. Re3+ Kf6 69. Rc3 Be5 70. Rc6+ Kf7 71. Ra6 Kg7 72. Re6 Bb8 73. Re8 Bd6 74. Re6 Bb8 $1 75. Re8 Bd6 76. Re6 Bb8 $1 77. Re8 Bd6 {Accuracy: White = 53%, Black = 42%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Dharani Kumar M S"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1660"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,90,0,7,0,0,0,26,-58,35,-25,-25,-25,-19,-25,-2,-33,-9,-66,0,-26,-23,-68,-22,-28,-16,-81,-105,-85,-62,-69,-64,-62,-33,-57,-72,-106,-85,-151,-152,-179,-165,-200,-181,-288,-226,-334,-162,-585,-214,-398,-347,-372,-364,-340,-340,-499,-319,-995,-975,-977,-978,-960,-927,-1258,-1186,-1268,-1237,-29993,-29990,-29990,-29991,-29991,-29989,-29989,-29989,-29993,-29994,-29994,-29995,-29998,-29999]} 1. c4 f5 2. g3 Nf6 3. Bg2 e5 4. b3 g6 5. Bb2 d6 6. d3 {A01: Nimzowitsch-Larsen Opening} Bg7 {LiveBook: 3 Games} 7. e3 (7. Nd2 O-O 8. Ngf3 e4 9. dxe4 fxe4 10. Nxe4 Nxe4 11. Qd5+ Rf7 12. Bxg7 Kxg7 13. Qxe4 Nc6 {½-½ (50) Harutjunyan,G (2458)-Vorobiov,E (2591) Moscow 2013}) 7... O-O 8. Ne2 {The position is equal.} Nc6 9. a3 (9. Nbc3 $11) 9... d5 $146 (9... f4 $15 10. gxf4 Bg4) ({Predecessor:} 9... Qe8 10. Nbc3 Nd8 11. Qd2 Rb8 12. O-O Ne6 {1-0 (36) Chomet,P (2255)-Canonne,A (2245) France 1991}) 10. cxd5 ({Better is} 10. O-O $14) 10... Nxd5 $11 11. Nbc3 Be6 12. O-O Qd7 13. Qc2 Rad8 14. Rfd1 (14. Nxd5 $11 Bxd5 15. Bxd5+ Qxd5 16. Rfd1) 14... a5 ({Black should try} 14... Nb6 $15) 15. Rac1 Nb6 {Strongly threatening ...Qf7.} 16. Nb1 Qf7 17. Nd2 Bd5 18. Nc4 (18. Bh3 $11) 18... Bxg2 $17 19. Kxg2 Nd5 {[%cal Bb6d5,Bd5e7,Be7g6][%mdl 32] Hoping for ...f4.} 20. Ng1 f4 $36 {[%mdl 2048] [#] And now ...fxg3 would win. Black fights for an advantage.} 21. e4 $1 {[%cal Re4d5]} Nde7 22. Qe2 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 23. f3 h5 24. Rf1 (24. b4 $142) 24... Ng6 25. Nh3 Bh6 26. Rcd1 Qe6 27. Ng1 (27. Nf2 $142) 27... g4 28. Kh1 (28. fxg4 {might work better.} hxg4 29. Bc3) 28... Rd7 (28... fxg3 $142 {White must now prevent ...Nf4.} 29. hxg3 h4 30. fxg4 hxg3) 29. Rf2 $2 {[#]} (29. gxf4 {nothing else works.} Nxf4 30. Qc2) 29... Rfd8 $2 (29... fxg3 30. hxg3 h4 31. gxh4 Nf4) 30. Bc3 $2 (30. Rg2 {keeps fighting.}) 30... b5 31. Nxa5 Nxa5 32. Bxa5 h4 ({Inferior is} 32... Qxb3 33. fxg4 h4 34. gxf4 $11) 33. fxg4 (33. gxh4 $142 g3 34. hxg3 fxg3 35. Rg2) 33... hxg3 34. hxg3 $2 (34. Rg2 Nh4 35. Nf3 Nxg2 36. Kxg2) 34... fxg3 $19 35. Rf5 Nf4 36. Rxf4 Bxf4 37. Nh3 Qxb3 38. Nxf4 exf4 39. e5 Rxd3 {Black mates.} 40. Rxd3 Rxd3 {KQR-KQB} 41. Qe4 Qb1+ 42. Be1 Rd1 43. Qa8+ Kg7 44. Kg2 Rxe1 45. Qb7 Qc2+ {Precision: White = 22%, Black = 46%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Evrin, Selvam"]
[Black "Paichadze, Luka"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1656"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,55,-99,-137,-8,0,-26,-179,-135,-187,-104,-100,-133,-228,-153,-224,-62,-243,-225,-246,-243,-243,-254,-268,-203,-214,-189,-513,-537,-557,-529,-904]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h5 8. Nf4 Bh7 9. Nxh5 cxd4 10. Qxd4 Nc6 {B12: Caro-Kann: Advance Variation} 11. Bb5 Nge7 {[%cal Bg8e7,Be7c6,Bc6b4,Bb4d3,Bd3f2][%mdl 32]} (11... a6 12. Bxc6+ bxc6 13. Bg5 Qb8 14. O-O-O Qa7 15. Qa4 Qd7 16. f4 c5 17. f5 Qxa4 18. Nxa4 {0-1 (58) Sadler,M (2626)-Dreev,A (2682) Dordrecht 2004}) 12. Bg5 a6 13. Bxc6+ Nxc6 14. Qd2 {LiveBook: 4 Games} Qa5 (14... Qb6 $1 $17 15. O-O Qxb2) 15. f4 $11 Rc8 $146 {White must now prevent ...Qb6.} ({Predecessor:} 15... d4 16. Ne2 Qd5 17. O-O Bc5 18. Nxg7+ {1-0 (27) Westerinen,H (2400)-Berg,K (2390) Gausdal 1989}) 16. Rc1 $2 (16. a3 $11) 16... Qb6 $19 {[%mdl 1024] Black has strong compensation.} 17. Na4 {[#]} (17. Ne2 $17 {was necessary.}) 17... Qb5 (17... Qb4 $1 $19 {[%cal Rb4a4]} 18. Nc3 Qxb2) 18. b3 $17 Nb4 19. Nc3 (19. Rh3 $17 Nxa2 20. c4) 19... Qa5 {And now ...Nxc2+ would win.} 20. f5 (20. Rh3 $17 {might work better.}) 20... d4 $2 ({Black should try} 20... exf5 $19 21. a3 fxg4 22. axb4 Bxb4 23. Nxg7+ Kf8) 21. Ne2 $2 {[#]} (21. Qxd4 $15 Nxa2 22. f6) 21... Nd3+ $1 $19 {[%mdl 512]} 22. Kd1 (22. cxd3 Rxc1+) 22... Nf2+ 23. Ke1 Qxd2+ 24. Kxd2 Nxh1 25. Rxh1 exf5 26. gxf5 $2 (26. Nxd4 {is tougher.} fxg4 27. c3) 26... Bxf5 27. Nxd4 {Nxg7+! would now be nice for White.} Be4 ({Not} 27... Rxh5 28. Nxf5 Rh7 29. Kd3 $17) 28. Ke1 {Precision: White =  8%, Black = 50%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Badri Narayan B"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1631"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,93,14,9,6,12,-12,-9,-13,-12,-19,-22,-2,0,0,1,10,29,19,50,58,53,58,62,62,64,56,60,30,76,63,70,68,75,64,53,43,47,43,48,48,95,95,107,112,237,229,234,239,218,71,75,73,72,75,67,52,84,76,165,114,80,41,30,0,10,0,10,8,8,8,8,8,8,-227,-203,-972,-902,-787]} 1. d4 g6 2. Nf3 Bg7 3. c4 d6 4. Nc3 Nd7 5. e4 e5 6. d5 Ne7 {[%cal Bg8e7,Be7f5,Bf5d4][%mdl 32]} 7. g3 {A42: Modern Defence: Averbakh Variation} O-O 8. Bg2 h6 9. O-O f5 {LiveBook: 3 Games} 10. exf5 Nxf5 11. Ne4 $146 ({Predecessor:} 11. Nd2 Nf6 12. Nde4 Nd4 13. Be3 Bf5 14. Rc1 b6 15. Nxf6+ {½-½ (15) Lalic,B (2525)-Todorcevic,M (2535) Yugoslavia 1989}) 11... Nf6 12. Nxf6+ Qxf6 13. Nd2 Nd4 14. Ne4 Qe7 15. Be3 Bf5 16. Qd2 Kh7 17. Rae1 Qd7 18. f4 b6 19. Rf2 Rae8 20. fxe5 dxe5 21. Ref1 a5 22. Kh1 Qe7 23. h3 a4 24. g4 Bc8 25. Qd1 Bd7 26. Ng3 b5 27. b3 axb3 28. axb3 {[%cal Ba2b3,Bb3c4][%mdl 32]} Qh4 29. Kh2 bxc4 30. bxc4 Qe7 {[#]} (30... Rxf2 $16 {was called for.} 31. Rxf2 Rf8) 31. Be4 $1 $18 {Hoping for Bxd4.} Rxf2+ 32. Rxf2 {Bxd4 is the strong threat.} Rf8 {[#]} 33. Qd3 (33. Bxg6+ $1 $18 {[%mdl 512]} Kg8 (33... Kxg6 34. Qb1+) 34. Rxf8+ Qxf8 35. Nh5) 33... Rxf2+ 34. Bxf2 Be8 35. Nh5 Bh8 36. Kg2 Qf7 37. Ng3 Ba4 (37... Bf6 $16) 38. Bxd4 (38. h4 $18) 38... exd4 $16 39. Ne2 Qf6 40. Kg3 Be8 41. h4 Kg8 42. Nf4 {[%cal Re4g6]} g5 43. hxg5 hxg5 44. Bh7+ Kf7 $1 45. Bg6+ $2 (45. Nh5 $11 {and White has nothing to worry.} Qe5+ 46. Kg2) 45... Ke7 $19 46. Qa3+ $2 (46. Ne6 Bxg6 47. Qa3+ Kd7 48. Qa4+ Kd6 49. Qb4+ Ke5 50. Qb2) 46... Qd6 47. Qxd6+ {Precision: White = 49%, Black = 43%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Divyan T"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1619"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,64,21,43,5,6,10,9,-5,-11,-27,-21,-31,-15,-29,-14,-10,-12,-25,-22,-22,0,-39,-33,-111,-123,-420,-425,-442,-454,-457,-442,-473,-463,-565,-484,-478,-493,-666,-658,-660,-663,-719,-653,-804,-816,-844,-830,-29986,-29987,-29987,-29988,-29988,-29989,-29990,-29991]} 1. e4 c6 2. d4 d5 3. Nc3 a6 4. Nf3 Bg4 5. h3 Bh5 6. Be2 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} (6. exd5 cxd5 7. g4 Bg6 8. Ne5 Nc6 9. h4 Nxe5 10. dxe5 d4 11. h5 Bxh5 12. gxh5 dxc3 13. Qxd8+ Kxd8 {½-½ (34) Lu,S (2640)-Zhou,J (2616) China 2018}) 6... e6 {LiveBook: 22 Games} 7. Ne5 Bxe2 8. Qxe2 {The position is equal.} Nf6 9. exd5 cxd5 10. a3 $146 ({Predecessor:} 10. Rb1 Nc6 11. Nxc6 bxc6 12. O-O Be7 13. a3 O-O 14. Na4 Ne4 {0-1 (49) Faysal,W (1692)-Schindele,A (1935) Bad Homburg 2010}) 10... Qb6 11. Qd3 Nc6 (11... Bd6 {is more complex.} 12. O-O O-O 13. Re1 Qc7 14. Bf4 Nc6) 12. Nxc6 Qxc6 13. O-O Rc8 14. Re1 Bd6 15. Bg5 Nd7 16. Re2 O-O 17. Rae1 {[#]} (17. Nd1 $15) 17... Bxa3 $1 $17 {[%mdl 512]} 18. Nxd5 $2 {[%mdl 8192]} (18. Nd1 $17 {keeps fighting.} Bd6 19. c3) (18. bxa3 Qxc3) 18... Qxd5 $19 19. bxa3 Qxg5 20. c4 Rfd8 21. Qb3 b5 22. c5 Nf6 23. Rd1 Qd5 24. Qe3 {[#]} Rxc5 $1 {[%mdl 512]} 25. dxc5 Qxd1+ 26. Kh2 Qd4 27. Qxd4 Rxd4 {KRN-KR} 28. Rc2 Rc4 29. Rxc4 bxc4 {[%cal Bb5c4,Bc4c3,Bc3c2][%mdl 32] Black mates.} 30. c6 Nd5 31. Kg3 c3 32. Kf3 c2 {Precision: White = 27%, Black = 76%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Giri Abhishek"]
[Black "Megaranto, Susanto"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1601"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,48,14,37,9,9,9,9,9,8,11,5,0,0,0,11,0,-4,-138,-135,-146,-143,-145,-148,-135,-111,-119,-104,-143,-143,-170,-155,-504,-485,-494,-481,-508,-506,-531,-522]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Bd3 O-O 6. Be3 Nc6 {[%cal Bb8c6,Bc6e7,Be7f5,Bf5d4][%mdl 32] LiveBook: 3 Games. B07: Pirc Defence: Miscellaneous Systems} (6... b6 7. Nc3 Bb7 8. O-O e6 9. Qd2 Re8 10. Bh6 Bh8 11. Rfe1 Nbd7 12. Bg5 e5 13. dxe5 Nxe5 14. Nxe5 dxe5 15. Qe3 a6 16. Rad1 {0-1 (62) Khotenashvili,B (2504)-Ju,W (2568) Beijing 2014}) 7. Qd2 e5 8. d5 Ne7 {The position is equal.} 9. c4 Nxe4 $146 ({Predecessor:} 9... Nd7 10. Bh6 Nc5 11. Bxg7 Nxd3+ 12. Qxd3 Kxg7 13. g4 f5 14. exf5 gxf5 {½-½ (44) Klimpel,S-Gierlinger,A Passau 1997}) 10. Bxe4 {Hoping for Bh6.} f5 11. Nc3 fxe4 12. Nxe4 Nf5 13. Bg5 Qe8 14. g4 (14. O-O $11 {keeps the balance.}) 14... Nd4 $17 15. Nxd4 exd4 16. Qd3 {[#]} b5 $1 {[%mdl 512]} 17. cxb5 Bb7 18. O-O Bxd5 19. f3 {[#]} a6 $1 $36 {[%mdl 2560] Keeping White busy.} 20. b6 (20. bxa6 Qa4) 20... c5 21. Nxd6 $2 (21. Rae1 $17 {is tougher.} Qc6 22. Be7) 21... Qe5 $19 {Black is clearly winning.} 22. Ne4 Bxe4 23. fxe4 Qxg5 24. Rxf8+ Rxf8 {Precision: White = 29%, Black = 77%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Vishwa Bala Kumaran M"]
[Black "Gajek, Radoslaw"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1593"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,35,43,29,74,69,66,48,54,50,65,52,73,60,58,52,63,57,47,-83,-101,-114]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be2 Bb4 8. f3 Nc6 9. Be3 {LiveBook: 9 Games} Ne5 {B41: Sicilian: Kan Variation: 5 c4} (9... d5 10. exd5 exd5 11. O-O dxc4 12. Bxc4 O-O 13. Nxc6 Qxc6 14. Qd4 Be6 15. Bxe6 Qxe6 16. Rfe1 Ba5 17. Bf2 {0-1 (40) Jose Queralto,D (2096)-Morris,J (2494) Batumi 2018}) 10. Qb3 Be7 11. O-O d6 {White is slightly better.} 12. Rac1 O-O 13. Na4 $146 ({Predecessor:} 13. Kh1 Bd7 14. Rfd1 Rac8 15. Re1 Qb8 16. Na4 Bxa4 17. Qxa4 {½-½ (47) Sriram,P (1602)-Rohrer,C (1925) Geneve 2013}) 13... Ned7 14. Qc2 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 15. Rfd1 Bb7 16. b4 Rac8 17. Nb3 (17. Qd2 $14 {keeps the upper hand.}) 17... b5 $17 18. Nb2 {[%mdl 32768] Loss on time!?} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Sai Prasath A S"]
[Black "Vignesh N R"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1577"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,78,31,23,50,34,37,32,35,7,8,18,62,-19,0,-58,-56,-170,-179,-333,-324,-340,-327,-327,-312,-319,-321,-324,-328,-431,-15,-8,-8,-4,0,-23,-23,-23,0,-91,18,18,47,-737,-683,-1640,-1622,-1084,-1308,-792,0,-2074,-1894,-1243,-1096,-29960,-29963,-5744,-5744]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Be3 Qc7 8. a3 d6 9. f4 a6 10. Bd3 Be7 {B33: Sicilian: Pelikan and Sveshnikov Variations} (10... b5 11. O-O Bb7 12. Qf3 Be7 13. Qh3 Rc8 14. Bf2 Nb8 15. Rae1 Nbd7 16. Nd4 g6 17. Kh1 e5 18. Nde2 {½-½ (66) Wang,J (2377)-Cordova,E (2609) Saint Louis 2018}) 11. O-O b5 12. Qe2 {LiveBook: 5 Games} h5 {White has an edge.} 13. Rae1 Bb7 14. h3 Rc8 $146 ({Predecessor:} 14... b4 15. axb4 Nxb4 {½-½ (35) Wessels,M (2223)-Bouaraba,M (2224) Germany 2011}) 15. Nd4 Na5 16. Bf2 Nd7 17. e5 (17. a4 $14) 17... dxe5 $11 18. fxe5 (18. f5 $11 exf5 19. Nxf5) 18... Nc4 $15 19. Bg3 (19. Bxc4 $15 Qxc4 20. Nb3) 19... Nxb2 $19 {[%mdl 64] [#] Discovered Attack} 20. Qf2 $2 (20. Ne4 Qb6 21. Bf2 Nxd3 22. cxd3 Bxe4 23. Qxe4) 20... O-O 21. Ne4 {White wants to play Nf6+!} Nxd3 ({Less strong is} 21... Nxe5 22. Qe2 $19) (21... Bxa3 22. Nd6 $19) 22. cxd3 Bxe4 ({Don't play} 22... Nxe5 23. Qe3 $17) (22... Bxa3 23. Nd6 $19) 23. Rxe4 Nc5 ({Don't do} 23... Bxa3 24. Qf3 $19) 24. Re3 Rcd8 25. Qf4 g5 $2 (25... Qd7 $19 26. Nf3 Nxd3 {[%mdl 64] Discovered Attack (Double check)}) 26. Qf3 $11 Rxd4 27. Qxh5 Ne4 (27... Nxd3 $2 28. Ref3 $19) 28. Rxe4 Rxe4 29. dxe4 Qc4 30. Qg4 (30. Rf4 $1 $11) 30... f6 (30... a5 $17 31. Rf3 Qd4+ 32. Kh2 b4 33. axb4 axb4) 31. exf6 Bxf6 {And now ...Bd4+ would win.} 32. h4 $2 {[%mdl 8192]} (32. Rd1 $14) 32... Bd4+ $19 33. Bf2 Bxf2+ {[%mdl 64] [#] Overworked Piece} 34. Rxf2 {[%mdl 4096] Endgame KQR-KQR} Qc1+ {[%mdl 64] Double Attack} 35. Kh2 Qc7+ $2 (35... Rxf2 $19 36. Qxe6+ Kg7 37. Qe5+ Rf6) 36. Kh3 $2 {[%mdl 8192]} (36. Kg1 $11 Qc1+ {[%mdl 64] Double Attack} 37. Kh2 Rxf2 38. Qxe6+ Rf7 39. Qg6+ Kf8 40. Qd6+ Kg7 41. hxg5 Qxg5 42. Kg1) 36... Rxf2 37. Qxe6+ Qf7 38. Qc8+ Kh7 39. Qg4 Rf4 {Accuracy: White = 21%, Black = 47%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Sathyanarayanan, S.."]
[Black "Akash G"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1571"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,94,2,0,-22,-22,-33,-25,-30,-6,-43,-45,-75,-49,-55,-60,-79,-43,-88,-83,-112,-104,-112,-112,-140,-141,-136,-112,-122,-106,-158,-116,-120,-116,-117,-101,-126,-123,-127,-125,-118,-111,-91,-65,-156,-158,-149,-124,-182,-184,-175,-161,-296,-297,-296,-289,-313,-194,-191,-177,-420,-420,-410,-408,-555,-550,-1064,-483,-451,-458,-480,-473,-535,-506,-668,-666,-665,-607,-577,-533]} 1. d4 Nf6 2. g3 e6 3. Bg2 c5 4. e3 Nc6 5. Nf3 d5 6. O-O Be7 7. b3 O-O 8. Bb2 b5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (8... cxd4 9. Nxd4 Bd7 10. Nd2 Rc8 11. c4 Nxd4 12. Bxd4 Bc6 13. Rc1 dxc4 14. Rxc4 Bxg2 15. Kxg2 b5 16. Rxc8 Qxc8 17. Bxf6 Bxf6 {1-0 (34) Vachier Lagrave,M (2779)-Dominguez Perez,L (2739) chess.com INT 2018}) 9. dxc5 Bxc5 {LiveBook: 6 Games} 10. Nd4 Nxd4 {The position is equal.} 11. exd4 Bd6 12. Nd2 Rb8 13. a4 $146 ({Predecessor:} 13. a3 a5 14. c3 Qc7 {1-0 (32) Hrdina,R (2007)-Havlik,J (2158) Hrdonov 2012}) 13... b4 14. Qe2 Rb6 {Threatens to win with ...Ba6.} 15. Rfc1 Ba6 $36 {[%mdl 2048] White is under pressure.} 16. Qf3 Qb8 17. Bf1 Bxf1 18. Nxf1 Ne4 19. Qd3 Rc8 20. f3 Nf6 21. Re1 Rbc6 22. Re2 Bf8 23. Kg2 (23. Ne3 $142) 23... g6 24. Bc1 Rc3 25. Qd1 Ne8 {[%cal Bf6e8,Be8d6,Bd6b7,Bb7c5,Bc5b3][%mdl 32]} 26. Bf4 Qb6 27. Rc1 Bg7 28. Rd2 Nd6 29. g4 Nb7 30. Rd3 ({White should try} 30. Ng3 $1 $15) 30... Rxd3 $17 31. cxd3 Re8 32. Be5 (32. Bc7 $17 {is a better defense.} Qxd4 33. Bg3) 32... Bxe5 $1 $19 33. dxe5 Qd4 34. Qe2 (34. Qc2 {was worth a try.}) 34... Nc5 35. Qe3 Nxb3 36. Rc7 Qxe3 37. Nxe3 {[%mdl 4096] Endgame KRN-KRN} Nd4 38. Rxa7 $2 {[#]} (38. Nd1) 38... Rb8 $1 39. Nd1 {[#]} b3 $1 40. a5 b2 {Black is clearly winning.} 41. Nc3 b1=Q (41... Nb5 $142 42. Nb1 Nxa7) 42. Nxb1 {intending Nc3.} Rxb1 {KRN-KR} 43. a6 Ra1 44. Ra8+ Kg7 45. g5 Nc6 46. f4 Nb4 47. a7 {If only White now had time for Rb8....} Nc6 {Precision: White = 35%, Black = 57%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.18"]
[Round "1"]
[White "Adireddy Arjun"]
[Black "Shyaamnikhil P"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1568"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,111,19,0,0,-32,-31,-35,-31,-35,-39,-98,-97,-150,-62,-82,-64,-60,-58,-68,-57,-52,-57,-62,-47,-104,-101,-105,-97,-127,-111,-119,-116,-130,-131,-137,-108,-144,-140,-145,-121,-150,-143,-159,-156,-178,-177,-264,-266,-273,-266,-272,-270,-263,-265,-335,-320,-570,-556,-686,-674,-677,-663,-757,-752,-806,-797,-945,-889,-952,-997,-1351,-1355,-2368,-2289,-29969,-29970,-6320,-6340,-29978,-29972,-6655,-6655,-12810,-5745,-29991,-29992,-29992,-29993,-29993,-29993,-29995,-29996,-29997,-29996,-29997,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Qc7 8. h3 {LiveBook: 7 Games. B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (8. a4 h6 9. a5 Be6 10. Nd5 Nxd5 11. exd5 Bf5 12. c4 Nd7 13. Be2 Be7 14. O-O O-O 15. b4 Bh7 16. Rc1 Rac8 17. Qb3 Kh8 18. Nd2 {1-0 (53) Karthikeyan,M (2609)-Fedoseev,V (2707) Abu Dhabi 2018}) 8... Be7 9. Qd2 b5 10. a3 {Black is slightly better.} Bb7 11. Bd3 Nbd7 12. O-O-O $146 (12. Bg5 $15) ({Predecessor:} 12. Bg5 h6 13. Bxf6 Nxf6 14. Nh4 O-O 15. Nf5 Rfe8 {1-0 (79) Papastavropoulos,A (2305)-Nikolaidis,K (2340) Chalkida 1997}) 12... Nc5 $17 {[%cal Rc5e4]} 13. Bxc5 ({Better is} 13. Rhe1) 13... Qxc5 ({Black should try} 13... dxc5 $17 14. Qg5 {[%mdl 64] Double Attack} c4) 14. Rhe1 Rc8 15. g4 O-O 16. Kb1 Rb8 17. Qe3 Qxe3 18. Rxe3 Bd8 19. Nd5 (19. Bf1 $15) 19... Nxd5 20. exd5 g6 21. Ne1 Bb6 22. Re2 Rbc8 23. Red2 Kg7 24. c3 Rc5 ({Much less strong is} 24... Bxd5 25. Bxg6 hxg6 26. Rxd5 $15) 25. Be2 Rc7 26. f3 f5 27. Nc2 h5 28. g5 {[#]} h4 $1 29. Bf1 Rh8 30. Re1 (30. Nb4 $142) 30... Rh5 $19 31. Rg2 Bxd5 32. Be2 Bb7 33. Rd1 Rd7 34. c4 bxc4 {[%mdl 64] [#] Overworked Piece} 35. Bxc4 $2 (35. Nb4) 35... Bxf3 {[%mdl 64] Double Attack} 36. Rgd2 Bxd1 37. Rxd1 a5 38. Bb5 Rd8 39. b4 Rxg5 40. bxa5 Bxa5 41. Rd3 Rg3 {And now ...Rb8 would win.} 42. Rd5 Rxh3 43. a4 Rg3 44. Ka2 h3 45. Rd1 h2 46. Rh1 Rg2 47. Kb3 Rc8 48. Nb4 Rg3+ 49. Nd3 Rc3+ {Black mates.} 50. Kb2 Rg2+ 51. Kb1 Rg1+ 52. Rxg1 hxg1=Q+ 53. Ka2 Qg2+ 54. Ka1 Qc2 {[%cal Rc3a3]} 55. Nb4 Ra3+ 56. Na2 Qc1# {Accuracy: White = 32%, Black = 79%.} ({Black should play} 56... Rxa2#) 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Rozum, Ivan"]
[Black "Rajarishi Karthi"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2589"]
[BlackElo "2075"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,16,-89,-92,-82,-67,-84,-95,-177,-177,-162,-154,-162,-43,-26,-36,-30,-42,-36,-28,0,0,0,0,0,0,0,0,0,0,0,0,0,31,0,24,-58,0,0,0,0,204,204,179,176,441,438,528,483,615,595,1039,1034,1904,2008,1857,1675,29984,5679,29979,29980]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Bd3 O-O 8. Qc2 h6 9. Bh4 Re8 10. Nge2 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6c4,Bc4b2][%mdl 32]} 11. O-O-O {LiveBook: 4 Games} (11. a3 $11 {keeps the balance.}) 11... b5 $17 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 12. Kb1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 13. f3 (13. Rdg1 b4 14. Na4 Ba6 15. Bxa6 Rxa6 16. g4 Ne4 17. Bxe7 Qxe7 18. Nf4 Nb6 19. Nc5 Nxc5 20. dxc5 {½-½ (32) Milanovic,D (2506)-Cvetkovic,S (2332) Vrnjacka Banja 2014}) 13... Nb6 {Black is better.} 14. Bf2 (14. Bg3 $17) 14... a4 $146 ({Predecessor:} 14... Ba6 15. g4 a4 16. g5 hxg5 17. h4 g4 18. Rdg1 b4 19. Bxa6 Rxa6 {0-1 (28) Vassiliev,G (2253)-Nam,K (2134) Novosibirsk 2001}) 15. a3 b4 16. axb4 Ba6 ({Black should try} 16... Bxb4 $19 17. Na2 Bf8) 17. Bxa6 $15 Rxa6 18. Na2 $1 Nc4 {Threatens to win with ...Qb8.} 19. Nec1 a3 20. b3 Nb2 21. Rdg1 Qb8 22. g4 Bxb4 23. h4 {g5 is the strong threat.} Nd7 24. g5 h5 25. g6 f6 26. Ka1 Qb5 27. e4 c5 28. exd5 (28. dxc5 $1 $11 dxe4 29. Nxb4 Qxb4 30. Re1) 28... cxd4 ({Better is} 28... c4 $1 $15 29. Nxb4 Qxb4) 29. Nxb4 $11 Qxb4 30. Re1 $36 {[%mdl 2048] Black is under pressure.} Ne5 $2 {[#]} (30... Rd8 $11) 31. f4 $1 $18 {[%cal Rf4e5]} d3 32. Qc7 {[%mdl 64] Pin} Qe7 $2 ({Inferior is} 32... Qxf4 {[#]} 33. Qf7+ $1 {[%mdl 512]} Nxf7 34. Rxe8#) (32... Qb8 33. Qxb8 Rxb8 34. fxe5 d2) 33. Qc3 {[%mdl 64] Pin} ({Weaker is} 33. Qxe7 Rxe7 34. fxe5 d2 $18) 33... Qb7 {Hoping for ...Rc8.} 34. fxe5 fxe5 35. Nxd3 Rxg6 36. Nxe5 Rf6 37. Nc6 Rxe1+ 38. Rxe1 Nd1 39. Rxd1 (39. Re8+ $142 Kh7 40. Qc2+ g6 41. Bd4 Ne3 42. Rxe3 Rf7 43. Re6 Rg7 44. Ka2) 39... Rxf2 40. d6 {Accuracy: White = 66%, Black = 43%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Paichadze, Luka"]
[Black "Shiva Pavan Teja Sharma U"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2583"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,90,-39,-29,-36,-38,-37,-45,-35,-34,-52,-53,-51,0,0,0,-18,-8,-7,0,-2,-15,-20,0,0,0,0,0,-11,0,-5,0,0,0,0,0,0,0,0,1061,1074,1024,892,889,891,852,802,713,705,637,376,365,54,54,0,0,0,32,0,0,0,0,0,0,0,0,0,33,33,94]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. c4 dxc4 6. Bxc4 e6 7. Nc3 Ne7 8. Bg5 Nd7 9. Nge2 {B12: Caro-Kann: Advance Variation} f6 (9... Nb6 10. Bb3 Qd7 11. Qd2 Ned5 12. Rd1 Be7 13. Ng3 Bg6 14. Bxe7 Qxe7 15. Nce4 O-O-O 16. Nd6+ Kb8 {½-½ (43) McShane,L (2674)-Shimanov,A (2593) Las Vegas 2015}) 10. exf6 gxf6 11. Be3 Nb6 12. Bd3 Qd7 {LiveBook: 5 Games} 13. O-O O-O-O 14. Ng3 Bxd3 15. Qxd3 Ned5 16. Rfe1 $146 ({Predecessor:} 16. Rac1 Nxe3 17. fxe3 {0-1 (30) Nayhebaver,M (2144)-Michalik,P (2508) Slovakia 2012}) 16... Be7 17. a4 f5 18. a5 Nb4 19. Qe2 N6d5 20. Nxd5 Nxd5 21. Bd2 Bxh4 22. a6 Bxg3 23. axb7+ Kxb7 24. fxg3 Nc7 25. Be3 Nb5 {Black wants to play ...h4.} 26. Bf2 Rde8 27. Qc4 Rhg8 {[%cal Bh8g8,Bg8g4,Bg4e4][%mdl 32]} 28. Re5 Rg4 29. Ra5 Re4 30. Rc5 {Black must now prevent Rxc6!} e5 $2 {[%mdl 8192] [#]} (30... Rc8 $11) 31. Rxc6 $1 $18 {[%mdl 512]} Nxd4 (31... Qxc6 32. Rxb5+) 32. Rc7+ Qxc7 {[#]} 33. Rxa7+ $1 {[%mdl 512]} Kxa7 34. Qxc7+ Ka8 35. b4 Rb8 36. Kh2 Rb7 37. Qa5+ $2 (37. Qc8+ $18 Ka7 38. Qxf5) 37... Kb8 $14 38. Bxd4 ({White should try} 38. Qd8+ $14 Ka7 39. Bxd4+ exd4 40. Qa5+ Kb8 41. Qxf5) 38... exd4 $11 39. Qxf5 $14 {[%mdl 4096] Endgame KQ-KRR} Rbe7 40. Qb5+ Rb7 41. Qd5 Rg4 42. b5 Rbg7 43. Qxh5 R4g5 44. Qh4 {Threatens to win with Qf4+.} Kb7 (44... Rg4 $5 {[%cal Rg4h4]} 45. Qd8+ Kb7 $14) 45. Qxd4 {And now Qe4+ would win.} Kb8 {Precision: White = 63%, Black = 59%.} ({Better is} 45... Rh7+ $14 46. Kg1 Rc7 47. Qe4+ Kb6) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Erigaisi Arjun"]
[Black "Md.abzid, Rahman"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2548"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,73,31,47,40,56,58,74,67,67,71,82,60,60,57,48,32,42,11,27,10,47,36,60,29,94,10,25,13,29,27,14,0,16,17,18,27,37,44,47,32,47,44,82,70,190,196,702,691,711,737,735,723]} 1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. Nbd2 Nbd7 5. e4 dxe4 6. Nxe4 Be7 7. Nxf6+ Nxf6 8. Bd3 O-O 9. Qe2 c5 10. dxc5 Qa5+ 11. c3 Qxc5 12. O-O Bd7 {LiveBook: 8 Games} 13. Ne5 {Black must now prevent Bxf6. C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} (13. Bxf6 Bxf6 14. Bxh7+ Kxh7 15. Qd3+ Kg8 16. Qxd7 b5 17. Qd2 Rfd8 18. Qe2 a5 19. Rad1 b4 20. c4 a4 21. Qc2 a3 {1-0 (57) Yu,Y (2651)-Cao,S (2514) Jakarta 2012}) 13... Be8 14. Rad1 Nd5 15. Bc1 $146 {White is better.} ({Predecessor:} 15. Bxe7 Qxe7 16. Bc2 f6 17. Nf3 Nf4 18. Qc4 Ng6 19. Nd4 Bf7 20. Bxg6 hxg6 {0-1 (33) Skovgaard,T-Moloney,N (2120) Copenhagen 1998}) 15... f6 16. Nf3 Bf7 17. Nd4 Qb6 18. Rfe1 {[%cal Rd4e6]} Bc5 19. Nb3 Bd6 20. c4 Nb4 $1 21. Bb1 {And now Be3 would win.} Qc7 (21... Rfd8 {looks sharper.} 22. Qe4 f5 23. Qe2 Be7 24. Be3 Qc7) 22. h3 Rfe8 23. Nd4 {Strongly threatening Nb5.} a6 (23... Rad8 $11) 24. b3 (24. a3 $16) 24... Rad8 25. Bb2 e5 26. Nf5 Bf8 27. h4 Nc6 28. Qg4 Kh8 29. h5 Rxd1 30. Qxd1 Rd8 31. Qf3 Bb4 32. Rf1 Rd2 {[#]} 33. Bc1 $1 {[%cal Rc1d2]} Nd4 {[#]} (33... Rd7 $14) 34. Qg4 $1 $40 {[%csl Gf5][%cal Rg4g7][%mdl 128] White has strong attack.} Ne2+ $2 (34... Be6) 35. Kh1 {[%csl Gf5][%cal Rg4g7] White is clearly winning.} Bxh5 36. Qxh5 {Qe8+ would kill now.} g6 37. Qh4 {Precision: White = 61%, Black = 33%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Stupak, Kirill"]
[Black "Parthasarathy, R."]
[Result "1-0"]
[ECO "A41"]
[WhiteElo "2542"]
[BlackElo "2035"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,85,21,12,30,29,52,8,23,-33,0,0,40,38,38,47,47,19,54,7,17,20,25,29,39,11,33,0,8,18,21,0,0,0,0,0,33,26,9,7,11,11,20,15,4,0,31,32,45,0,44,35,46,0,56,58,126,106,213,82,684,679,689,586,810,792,738,675,558,536]} 1. d4 d6 2. g3 g6 3. Bg2 Bg7 4. e4 Nf6 5. Nc3 O-O 6. Nge2 e5 7. O-O Nc6 8. dxe5 Nxe5 9. h3 Re8 10. b3 {LiveBook: 5 Games. B07: Pirc Defence: Miscellaneous Systems} a5 $146 ({Predecessor:} 10... Bd7 11. Bb2 b5 12. Nf4 Bc6 13. Re1 b4 14. Ncd5 Nxd5 15. exd5 Bd7 16. Rb1 Qc8 17. Kh2 Qa6 {0-1 (84) McShane,L (2640)-Onischuk,V (2637) Riadh 2017}) 11. Be3 Rb8 12. a4 {White is slightly better.} b6 13. f3 ({White should play} 13. Nf4 $11) 13... Bb7 14. Qd2 Ned7 15. g4 Nc5 16. Rad1 Qe7 17. Nf4 c6 18. Rfe1 Rbd8 19. Bf2 Nfd7 20. Nfe2 Nf6 21. Ng3 Qc7 22. g5 Nfd7 23. f4 Nf8 24. Bd4 Bxd4+ 25. Qxd4 d5 26. e5 Bc8 27. Qf2 Nfe6 28. h4 Ng7 29. Nce2 Nf5 30. Nxf5 Bxf5 31. Ng3 Ne4 32. Bxe4 dxe4 33. Qe2 Rxd1 34. Rxd1 Rd8 35. Kf2 Rd5 (35... b5 $11) 36. c4 $1 $36 {[%cal Rc4d5][%mdl 2048] White fights for an advantage.} Rxd1 (36... Rd7 $14) 37. Qxd1 $16 Qe7 {[#]} (37... Qc8 $16) 38. Qd4 (38. Qd6 $1 $18 {[%cal Rd6e7]} Qxd6 39. exd6) 38... Qc5 $2 {[%mdl 8192]} (38... h5 $16) 39. Qxc5 $18 {White is clearly winning.} bxc5 40. Ke3 h5 41. gxh6 Kh7 42. h5 {[%cal Bh4h5,Bh5g6][%mdl 32]} Kxh6 43. hxg6 {Accuracy: White = 54%, Black = 41%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Megaranto, Susanto"]
[Black "Anilkumar, O.T."]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2530"]
[BlackElo "2022"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,49,52,76,51,51,51,114,108,112,105,124,93,472,416,449,93,677,685,684,681,649,607,660,656,732,720,771,763,1235,1235,1300,1292]} 1. d4 g6 2. e4 Bg7 3. Nf3 c6 4. Nc3 d5 5. h3 Nh6 6. Bd3 f6 7. Ne2 {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6} Nf7 8. exd5 cxd5 9. c4 e6 10. O-O O-O {LiveBook: 7 Games} 11. Nc3 Nc6 12. Re1 a6 $146 (12... Ng5 $14) ({Predecessor:} 12... Kh8 13. cxd5 exd5 14. Qb3 Ng5 15. Nxg5 fxg5 16. Be3 Nxd4 17. Qxd5 Qxd5 18. Nxd5 {½-½ (28) Fressinet,L (2536)-Baklan,V (2599) Brussels 2000}) 13. cxd5 $16 exd5 14. Qb3 f5 15. Nxd5 {Black must now prevent Bd2.} Nxd4 $2 {[%mdl 8192] [#]} (15... b5 $16 {is more resistant.}) 16. Nxd4 $18 Bxd4 17. Re7 $2 (17. Bc4 $18) 17... Kh8 $2 {[%mdl 8192]} (17... Bc5 $16 18. Re2 b5) 18. Bf4 {White is clearly winning.} Bd7 {next ...Bc6 is good for Black.} 19. Qb4 Bg7 {[#] Threatens to win with ...Bc6.} 20. Qxb7 Be8 21. Rae1 Qc8 22. Qb3 Qc5 23. Nc7 {[%cal Bd5c7,Bc7e8,Be8g7][%mdl 32]} Rd8 24. Nxe8 Qd4 25. Nxg7 {Accuracy: White = 60%, Black = 27%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Vignesh N R"]
[Black "Darpan, Inani"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2461"]
[BlackElo "2016"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,67,38,22,31,12,12,0,0,0,0,0,3,6,19,2,8,10,87,88,91,83,91,92,97,95,86,87,78,86,97,97,89,76,133,133,133,131,110,-237,335,331,330,322,269,0,1558,1468]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 {[%cal Bh2h3,Bh3h4,Bh4h5,Bh5h6][%mdl 32]} e6 7. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} Nfd7 {B81: Sicilian Scheveningen: Keres Attack} (7... h6 8. Bg2 g5 9. Be3 Nbd7 10. Qe2 Ne5 11. O-O-O Nfd7 12. h4 Rg8 13. hxg5 hxg5 14. Kb1 b5 15. f4 gxf4 16. Bxf4 Bb7 {½-½ (56) Karjakin,S (2773)-Mamedyarov,S (2801) Saint Louis 2018}) 8. g5 Be7 9. Be3 b5 10. a3 Bb7 11. h4 Nc6 12. Nxc6 {LiveBook: 19 Games} Bxc6 13. Rg1 Rb8 14. Qd4 O-O 15. h5 a5 $146 16. h6 {[%csl Gh6][%cal Rd4g7]} e5 $1 {[%cal Re5d4]} 17. Qd2 $36 {[%mdl 2048] White fights for an advantage.} g6 $1 18. Nd5 Bxd5 19. Qxd5 b4 (19... Nb6 $11 {remains equal.} 20. Qxb5 Na8) 20. axb4 $16 axb4 21. Rg3 Ra8 22. Rxa8 Qxa8 23. Qxa8 Rxa8 24. Bc4 $1 Nc5 25. Bd5 Rb8 26. Kd2 Ne6 27. Rg1 Kf8 (27... Nf4 $142) 28. Bxe6 fxe6 {[%mdl 4096] Endgame [#] KRB-KRB} 29. Ra1 $1 d5 {...d4 is the strong threat.} 30. Ra5 $2 {[%mdl 8192]} (30. Kd3 $16 {stays on course.}) 30... Rd8 $4 {[%mdl 8192] [#]} (30... d4 $19 {and life is good for Black.} 31. Bxd4 exd4) 31. Bc5 $1 $18 {[%cal Rc5e7]} Rd7 32. Ra8+ Kf7 33. Rh8 $2 (33. Bxe7 $18 Kxe7 34. Rb8) 33... Bxc5 $4 {[%mdl 8192]} ({But not} 33... dxe4+ $2 34. Ke2 $18) (33... Bxg5+ $11 34. Kd3 Kf6) 34. Rxh7+ {Accuracy: White = 64%, Black = 44%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Akash G"]
[Black "Dinesh Kumar Jaganathan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2453"]
[BlackElo "2005"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,26,22,25,31,41,41,54,45,42,42,67,37,45,22,29,32,37,16,6,0,12,15,5,0,18,22,45,-13,2,0,16,6,25,0,462,456,441,457,444,443,482,475,504,518,581,578,571,549,735,719,666,581,881,833,2150,1758,29976,29976,29964,29965,29986,29987,29987,29988,29988,29989,29989,29990]} 1. Nf3 Nf6 2. d4 g6 3. Bg5 d5 4. Nbd2 Bg7 5. e3 O-O 6. Bd3 c5 7. c3 cxd4 8. exd4 Nc6 9. O-O {LiveBook: 36 Games} Bg4 {D03: 1 d4 d5 2 Nf3 Nf6 3 Bg5, including Torre Attack with early ...d5} (9... Bf5 10. Bxf5 gxf5 11. Bxf6 Bxf6 12. Qe2 Qd6 13. Rfe1 Bg7 14. Ne5 Rae8 15. Ndf3 e6 16. Rad1 Ne7 17. Qb5 Rb8 {½-½ (29) Rodrigue Lemieux,S (2250)-Tutisani,N (2471) Manavgat 2018}) 10. h3 Bxf3 11. Nxf3 ({But not} 11. gxf3 Nh5 $15) 11... Qd6 {White is slightly better.} 12. Re1 Rfe8 13. Qd2 $146 ({Predecessor:} 13. Bxf6 Bxf6 14. Bb5 e6 15. Ne5 a6 16. Bxc6 bxc6 17. Qa4 Bxe5 18. dxe5 {½-½ (39) Vaitonis,V (2032)-Stremavicius,T (1791) Plunge 2009}) 13... Nd7 14. Bf4 e5 $1 {[%cal Re5f4]} 15. dxe5 Ndxe5 16. Be2 Rad8 17. Bg5 Bf6 18. Bf4 Qd7 19. Nxe5 Nxe5 20. Be3 b6 21. Rad1 Qc6 22. Qc2 (22. b3 $14) 22... Nc4 23. Bd4 Bxd4 24. Rxd4 Qe6 25. Rdd1 {Bxc4 is the strong threat.} Rd7 $2 {[%mdl 8192]} (25... Qf6 $11 {and Black has nothing to worry.}) 26. Bxc4 $1 $18 {[%mdl 64] [#] Discovered Attack} Qxe1+ 27. Rxe1 Rxe1+ 28. Bf1 Rde7 29. f3 Ra1 {[#] intending ...Ree1.} 30. Kf2 $1 Rxa2 31. Qb1 Ra4 32. b4 a5 33. Qb3 Ra1 34. Qxd5 {Threatens to win with Qd8+.} Re6 35. Bc4 Rf6 36. Qe5 Kg7 37. g4 {White mates.} h6 38. h4 g5 39. hxg5 hxg5 40. Qxg5+ Rg6 41. Qe5+ Kf8 42. Qf4 {Accuracy: White = 74%, Black = 26%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Shyaamnikhil P"]
[Black "Nitin Shankar Madhu"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2446"]
[BlackElo "2001"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,79,28,17,53,52,97,44,58,25,73,75,89,88,118,101,128,128,119,127,132,131,145,146,144,111,112,112,112,105,100,102,124,129,154,151,150,150,148,123,130,116,113,111,181,185,179,177,178,183,225,175,184,187,180,177,171,157,123,103,302,40]} 1. g3 Nf6 2. Bg2 d5 3. Nf3 e6 4. c4 Be7 5. d4 O-O 6. Nc3 dxc4 7. Ne5 Nc6 8. Bxc6 {E06: Closed Catalan: Early deviations} bxc6 9. Nxc6 Qe8 10. Nxe7+ Qxe7 11. Qa4 {LiveBook: 109 Games} Rd8 (11... c5 12. dxc5 Qxc5 13. Be3 Qc7 14. O-O-O Ng4 15. Rd2 Nxe3 16. fxe3 Rb8 17. Rhd1 a5 18. Kb1 h6 19. Ka1 Rb4 {1-0 (49) Caruana,F (2822)-Nakamura,H (2777) Saint Louis 2018}) 12. Qxc4 Rb8 13. a3 $146 ({White should play} 13. b3 $16) ({Predecessor:} 13. b3 Qd6 14. Bf4 Qa3 15. Bxc7 Bb7 16. Bxd8 Bxh1 17. Bxf6 gxf6 {1-0 (33) Teske,H (2536)-Rjabzev,K (2287) Dresden 2013}) 13... Nd5 14. f3 Qd7 15. Kf2 Nb6 16. Qc5 Rb7 17. Be3 Na4 18. Nxa4 Qxa4 19. b4 Bd7 20. Rhc1 Bb5 21. h4 Qb3 22. Qc3 Qxc3 23. Rxc3 Ba4 24. h5 Rd5 25. g4 Kf8 26. Kg3 Ke7 27. Bf2 Rd6 28. Rac1 Kd7 29. e4 Rc6 30. Kf4 {h6 is the strong threat.} Rxc3 31. Rxc3 $16 {[%mdl 4096] Endgame KRB-KRB} h6 (31... Rb5 $16 {was worth a try.} 32. d5 exd5) 32. d5 $18 exd5 33. exd5 a6 34. Bd4 g6 35. Bg7 gxh5 36. gxh5 Rb6 37. Be5 c6 38. d6 Rb8 39. Kf5 Rg8 $2 {[#]} (39... Re8 $16 40. Bf4 Re6) 40. Ke4 $2 {Precision: White = 65%, Black = 52%.} (40. Bf4 $18) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Harikrishnan.A.Ra"]
[Black "Gokhale Rishabh Chandrashekha"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "2430"]
[BlackElo "1973"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,55,56,59,64,49,64,64,74,72,91,75,130,104,133,45,48,0,96,96,104,107,114,76,118,114,138,102,179,169,172,174,188,191,250,264,280,283,356,315,315,314,337,306,404,279,271,271,265,183,168,151,411,416,818,804]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. O-O Nf6 6. d4 Bb6 7. Re1 d6 8. h3 O-O {LiveBook: 16 Games} 9. Bb3 {C53: Giuoco Piano sidelines} a6 (9... Bd7 10. Na3 Rae8 11. Nc4 Qd8 12. Nxb6 axb6 13. Bg5 h6 14. Bh4 Qe7 15. Bc2 Bc8 16. Qd2 Kh8 {1-0 (50) Bryzgalin,K (2469)-Ageichenko,G (2356) Olomouc 2011}) 10. Bc2 h6 $146 ({Predecessor:} 10... Ne8 11. Be3 g6 12. Bh6 Ng7 13. dxe5 Nxe5 14. Nbd2 {½-½ (49) Eretova,K-Borisenko Belova,V Plovdiv 1959}) 11. Be3 {White is slightly better.} Ba7 12. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Kh7 13. Nf1 g6 (13... Re8 $142) 14. Ng3 Ng8 15. Nh2 (15. a4 $16) 15... Qf6 $1 $14 {[%cal Re5d4]} 16. Nf3 Nge7 (16... Qe7 $1 $11 {keeps the balance.}) 17. Qd2 $16 Qg7 18. Rad1 $36 {[%mdl 2048] White is on the roll.} b5 19. Nh2 Na5 20. b3 Nb7 21. Ne2 f5 {[#]} (21... c5 $16 {was called for.}) 22. dxe5 $1 $18 Bxe3 23. Qxe3 dxe5 {[#]} 24. f4 $1 fxe4 (24... g5 {is a better defense.}) 25. Bxe4 exf4 26. Nxf4 {Bxb7 is the strong threat.} Nf5 27. Qc1 Rb8 28. Nf3 Nbd6 29. Bb1 Re8 30. g4 Bb7 31. gxf5 Bxf3 32. fxg6+ Kh8 33. Rd3 Be4 $2 {[#]} (33... Bc6 $16) 34. Rxd6 $1 {[%mdl 512]} Bxb1 (34... cxd6 $142 35. Bxe4 Re5) 35. Nh5 {Precision: White = 51%, Black = 33%.} ({Weaker is} 35. Qxb1 cxd6 36. Kh2 Qxc3 $19) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Saranya, J."]
[Black "Pantsulaia, Levan"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2094"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "216"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,216,0,-14,0,-26,-16,-68,-62,-54,-34,-58,-32,-97,-91,-103,-72,-81,-83,-83,25,25,13,18,14,15,24,0,0,-5,-5,-5,0,-5,-5,-7,0,-6,-3,-18,-18,-19,-16,-16,-14,-19,-37,-19,-8,-24,-6,0,-8,-8,-8,-8,0,-37,-37,-39,-39,-44,-39,-46,-46,-65,-60,-60,-60,-90,-61,-61,-60,-72,-65,-80,-60,-304,-244,-249,-213,-213,-213,-200,-60,-60,-60,-60,-60,-53,-60,-53,-17,-83,0,-61,-8,-8,-8,-8,-8,-54,-54,-54,-54,-54,-18,-18,-18,-18,-18,-764,-770,-709,-728,-737,-737,-736,-725,-737,0,-782,-770,-569,-468,-666,-634,-782,-729,-6398,-2361,-1597,-538,-512,-562,-653,-666,-685,-685,-679,-683,-659,-647,-276,-16,-16,-16,-16,-16,-16,-16,-697,-379,-729,-527,-774,-174,-443,0,-5560,-3460,-4998,-2172,-7618,-7516,-6207,-739,-6211,-5864,-5165,-5069,-29959,-11012,-29960,-29963,-29960,-29959,-29960,-29966,-29961,-29956,-29960,-29967,-29960,-29968,-29969,-29970,-29970,-29972,-29983,-29984,-29984,-29985,-29985,-29986,-29986,-29987,-29987,-29988,-29988,0]} 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 e5 6. Nb3 {B28: Sicilian: 2 Nf3 a6 (O'Kelly Variation)} Nc6 7. c4 Bb4+ 8. Nc3 Bxc3+ 9. bxc3 d6 10. O-O {LiveBook: 3 Games} O-O 11. h3 $146 ({Predecessor:} 11. Bg5 h6 12. Bh4 g5 13. Bg3 Be6 {1-0 (50) Kobalia,M (2599)-Kryakvin,D (2567) Moscow 2018}) 11... Be6 12. f4 (12. Rb1 $11) 12... exf4 13. Bxf4 Rc8 14. Bg5 Qb6+ 15. Kh1 (15. Nd4 $15 Nd7 16. Rb1) 15... Nd7 $1 $17 16. Be2 h6 17. Bf4 Nce5 18. Nd4 Nxc4 ({Don't play} 18... Bxc4 $6 19. Nf5 $11) (18... Qc7 $17) 19. Rb1 $36 {[%mdl 2048] White has some pressure.} Qc7 20. Bxc4 $1 Qxc4 21. Bxd6 Rfd8 22. Rxb7 Nf6 23. Nxe6 Rxd6 24. Qxd6 {Intending Rxf6! and mate.} Qxf1+ 25. Kh2 Re8 26. Qf4 Qxf4+ 27. Nxf4 Rxe4 {[%mdl 4096] Endgame KRN-KRN} 28. Rb4 (28. Nd3 {is more complex.} a5 29. Rb3 a4 30. Ra3 g5 31. Nb4) 28... a5 29. Rd4 Kf8 30. Nd3 Rxd4 31. cxd4 {KN-KN} Ne4 32. a4 Ke8 33. Ne5 Nd6 34. Kg3 Nf5+ 35. Kf4 Nxd4 36. Ke4 Ne6 37. Nc6 Nc5+ 38. Kd4 Nxa4 39. Nxa5 Kd7 40. Nc4 Ke6 41. Ke4 Nc3+ 42. Kf3 Nb5 43. Ne3 Nd6 44. g4 Ke5 45. Ng2 Ne4 46. Ne3 g6 47. h4 $2 (47. Nc4+ $15 Kd5 48. Nb6+ Kd4 49. Kf4) 47... Nd2+ $1 $19 48. Ke2 Nb3 $1 49. Kf3 Nd4+ 50. Kg3 {[#]} Ke4 (50... f5 $1 $19 {[%cal Rf5f4]} 51. Nc4+ Kd5 52. Nb6+ Ke4 53. gxf5 Nxf5+ 54. Kg4 Ne3+ 55. Kg3 Nf5+ 56. Kg4 Ne3+ 57. Kg3 Nf5+) 51. Nc4 $15 Nb5 52. Nd2+ Ke3 53. Nc4+ Kd4 54. Nb6 Ke4 {Threatens to win with ...Nd6.} 55. Nc4 (55. Nd7 $1 $11 {remains equal.}) 55... Kd4 56. Nb6 $1 Nd6 ({Better is} 56... Nc7 $15) 57. Kf4 $1 $11 Ne4 58. Nd7 Nc3 59. Nb8 Nd5+ 60. Kf3 Nb4 61. Nd7 Nd3 {And now ...Ne5+ would win.} 62. Nf6 Ke5 63. Ng8 h5 64. g5 $2 {[%mdl 8192]} (64. Nh6 $11) 64... Ne1+ 65. Kg3 Nc2 66. Nf6 Nd4 67. Nd7+ Ke4 68. Nf6+ Ke5 69. Nd7+ $1 Kd6 70. Nf6 Nf5+ 71. Kh3 Ke5 72. Nd7+ Kf4 73. Nf6 Nd6 (73... Ne3 $142 74. Ne8 Kf3) 74. Ng8 $19 Nc4 (74... Kf3 $142 75. Nh6 Ne4) 75. Nh6 Ne5 76. Kg2 Ke4 77. Kg3 Kd5 78. Ng8 Nd7 79. Ne7+ Kd6 80. Nc8+ {[#]} Ke6 $2 (80... Ke5 $1 $19 81. Kf3 Nc5) 81. Kf4 $11 Ne5 82. Nb6 Nc6 83. Nc4 Ne7 {...Nf5 is the strong threat.} 84. Kg3 $2 {[%mdl 8192]} (84. Nd2 $11) 84... Nf5+ $19 85. Kh3 Kd5 86. Nb6+ Ke4 $2 (86... Kc5 87. Nd7+ Kd6) 87. Nd7 Kf4 (87... Kd4 $142 88. Nb6 Kd3) 88. Nf6 $1 Ne3 89. Ng8 Kf3 90. Nf6 Ng2 91. Nd7 Nf4+ 92. Kh2 Kg4 93. Ne5+ Kxh4 94. Nxf7 Kg4 95. Kg1 Nh3+ {Black mates.} 96. Kg2 Nxg5 97. Nh6+ Kf4 98. Ng8 Nf3 99. Ne7 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 100. Nd5+ Ke5 101. Ne3 Nh4+ 102. Kh3 Nf5 103. Ng2 g4+ 104. Kh2 Ke4 105. Ne1 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 106. Ng2 h3 107. Ne1 Nd4 108. Kg3 Ke5 $2 {[%mdl 32768] Accuracy: White = 49%, Black = 56%. . Sensor Board Error (Ke4/e5)?} (108... Ke3 {mates} 109. Kxg4 h2 110. Ng2+ Ke4 111. Nf4 h1=Q 112. Nh5 Qg2+ 113. Ng3+ Ke5 114. Kh4 Nf5+ {[%mdl 64] Double Attack} 115. Kh5 Qh3+ 116. Kg5 Qxg3+ 117. Kh5 Nh4 118. Kh6 Qg6#) 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Rathneesh R"]
[Black "Popov, Ivan"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2077"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,80,40,82,82,126,134,116,47,37,26,27,17,24,-120,-99,-97,0,0,0,-11,-12,-25,0,0,0,-86,-72,-94,-95,-112,-101,-103,-79,-212,-213,-275,-272,-470,-462,-637,-620,-637,-637,-637,-623,-594,-614,-653,-555,-1103,-508,-1261,-1214,-5435,-5435,-6383,-6279,-29978,-29979,-29987,-29988,-29990,-29991]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. h3 b6 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (6... Nf6 7. Nc3 Nd7 8. Be3 e5 9. O-O b6 10. Nh2 Nf8 11. f4 exf4 12. Rxf4 Be6 13. Rf2 h6 14. Qd2 g5 15. Raf1 {½-½ (115) Caruana,F (2832)-Carlsen,M (2835) London 2018}) 7. a4 a5 8. Na3 e5 9. Nc4 f6 10. Be3 Nh6 {[#] LiveBook: 3 Games} 11. b4 $1 cxb4 12. Bxb6 $146 ({Predecessor:} 12. Qd2 Nf7 13. Bxb6 {1-0 (38) Kalegin,E (2462)-Pridorozhni,A (2543) Moscow 2011}) 12... Qe7 13. Nxa5 (13. Nfd2 $16) 13... Rxa5 $14 14. Bxa5 {Black must now prevent c3.} Qc5 15. Bc7 {Strongly threatening a5.} Kd7 16. a5 (16. Bxe5 $11 fxe5 17. O-O) 16... Kxc7 17. a6 Qb6 (17... Qc3+ $17 18. Ke2 Be6) 18. a7 $11 Ba6 19. Qd2 Ra8 20. O-O $1 Rxa7 21. Rfb1 Bf8 22. d4 (22. c3 $1 $11) 22... Nf7 $17 23. dxe5 fxe5 24. Ng5 {aiming for Ne6+.} Nxg5 25. Qxg5 Qc5 26. Rd1 (26. Qh4 $17 {was necessary.}) 26... Be7 $19 27. Qg3 Kb6 28. Ra2 $2 (28. Rd2) 28... Be2 29. Rxa7 Bxd1 ({Weaker is} 29... Kxa7 30. Rd7+ Kb8 31. Qb3 $17) 30. Ra8 Qc3 31. Qxc3 bxc3 32. Ra2 Bg5 33. Kf1 {[#] And now Ke1 would win.} Bd2 $1 34. Kg1 Kb5 (34... Kc5 $142 35. f4 exf4) 35. Kf1 (35. f4 $142 exf4 36. e5) 35... Kb4 36. f3 {[#]} Bxc2 $1 {[%mdl 512]} 37. Ke2 (37. Rxc2 Kb3) 37... Bb3 38. Ra8 Bc4+ {Black mates.} 39. Kd1 Kb3 40. Ra1 Kb2 {Precision: White = 20%, Black = 82%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Bala Kannamma P"]
[Black "Aleksandrov, Aleksej"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2069"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,84,6,23,-14,-23,-32,-29,-45,-48,-51,-45,-57,-56,-62,-53,-35,-63,-63,-55,-56,-56,-50,-74,-166,-149,-250,-251,-248,-235,-321,-331,-321,-304,-387,-377,-384,-374,-437,-447,-510,-452,-450,-445,-442,-443,-425,-419,-446,-438,-606,-512,-810,-795,-1017,-860,-1375,-892,-862,-854,-1448,-1235,-2589,-2454,-1519,-1432]} 1. g3 d5 2. Nf3 c6 3. Bg2 Nf6 4. d3 h6 5. Nbd2 Bf5 6. b3 a5 7. a3 e6 8. Bb2 Be7 9. O-O O-O 10. Qe1 Bh7 11. e4 Na6 {LiveBook: 30 Games} 12. e5 {A07: Réti Opening: New York and Capablanca Systems} (12. Qe2 Nc5 13. Ne5 Re8 14. Kh1 Qb6 15. f4 Rad8 16. Ng4 Nxg4 17. Qxg4 Bf8 18. e5 Na4 19. Bc1 Nc3 20. Bb2 Na4 21. Bc1 Nc3 {½-½ (21) Movsziszian,K (2502)-Malakhatko,V (2514) Pontevedra 2016}) 12... Nd7 13. Qe2 b5 14. Ne1 $146 {Black has an edge.} ({Predecessor:} 14. h4 Qb6 15. Nh2 c5 16. c4 bxc4 17. dxc4 Nc7 18. Ng4 Rad8 19. cxd5 exd5 {½-½ (28) Fominykh,M (2332)-Sirotkina,N (2277) Sochi 2006}) 14... Qb6 15. Kh1 a4 16. b4 c5 17. bxc5 Ndxc5 18. d4 Nb7 {[%cal Bc5b7,Bb7a5,Ba5c4][%mdl 32]} 19. c3 Na5 20. Nd3 Rfc8 21. f4 Nc4 $36 {[%mdl 2048] White is under strong pressure.} 22. Nxc4 (22. Bc1 $17) 22... bxc4 $19 23. Nf2 (23. Ne1 $17 {is a better defense.}) 23... Rcb8 24. Bc1 Qa5 25. Qd2 Rb3 26. Nd1 Nc7 {[%cal Ba6c7,Bc7b5,Bb5c3][%mdl 32]} 27. g4 Bd3 28. Rg1 Nb5 {[%cal Re7a3]} 29. f5 Nxc3 30. f6 Bf8 31. fxg7 Bxg7 32. Nxc3 Qxc3 ({Less strong is} 32... Rxc3 33. Ra2 $19) 33. Qxc3 Rxc3 34. Bd2 Rb3 {Black is clearly winning.} 35. Bb4 Bf8 36. Bxf8 (36. Bd6 $142) 36... Kxf8 37. Rgd1 Rab8 38. h3 Rb2 39. Kg1 R8b3 40. Kh1 Rf2 41. Kg1 Rbb2 42. Bh1 Rh2 {Precision: White = 35%, Black = 97%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Dahale, Atul"]
[Black "Deepan Chakkravarthy J."]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2044"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,88,-41,-35,-39,-32,-43,-40,-56,-47,-65,-78,-81,-93,-94,-80,-125,-106,-126,-102,-142,-100,-93,-89,-103,-90,-162,-168,-161,-126,-228,-235,-225,-229,-231,-228,-293,-278,-286,-286,-262,-262,-344,-378,-373,-372,-368,-321,-325,-307,-479,-479,-524,-543,-531,-531,-505,-495,-1430,-1216,-2953,-2611,-29974,-29974,-29973,-29972,-29972,-29974,-5185,-5102]} 1. Nf3 c5 2. g3 d5 3. Bg2 Nc6 4. O-O Nf6 5. d3 e6 6. Nbd2 Be7 7. e4 b6 8. Re1 Bb7 9. Qe2 (9. c3 Qc7 10. Qe2 O-O 11. e5 Nd7 12. h4 b5 13. Nf1 b4 14. h5 bxc3 15. bxc3 Ba6 16. h6 g6 17. Bf4 Qa5 18. Rac1 c4 19. d4 Ba3 {1-0 (31) Hera,I (2611)-Ganguly,S (2658) Biel 2017}) 9... Nb4 {C00: French: Unusual White 2nd moves} 10. e5 Nxc2 11. exf6 Bxf6 {LiveBook: 8 Games. Black is slightly better.} 12. Rb1 Nxe1 13. Qxe1 Ba6 $146 ({Predecessor:} 13... Qd6 14. Nf1 O-O 15. Bf4 Qc6 16. Ne3 Qb5 17. Qd1 Rfe8 18. Ng4 Be7 19. Nfe5 f5 20. a4 Qb4 21. Bd2 {1-0 (21) Priborsky,I (2245)-Stiller,J (2159) Bayern 2010}) 14. Bf1 Qd6 15. Nb3 O-O 16. Bf4 Qd7 17. Ne5 Bxe5 18. Bxe5 f6 19. Bc3 e5 20. Nc1 Rae8 21. b4 d4 22. Bd2 Bb7 23. Bg2 (23. bxc5 $17 Qc6 {[#]} 24. Qe4 $1 {[%mdl 512]}) 23... Bxg2 $19 24. Kxg2 Qd5+ 25. Qe4 (25. Kg1 $17) 25... Qxe4+ 26. dxe4 c4 27. b5 f5 {...c3 is the strong threat.} 28. f3 fxe4 29. fxe4 Rd8 30. Bb4 d3 {[#] Strongly threatening ...d2.} 31. Nxd3 Rxd3 ({Weaker is} 31... cxd3 32. Bxf8 Kxf8 33. Kf3 $17) 32. Bxf8 Kxf8 {[%mdl 4096] Endgame KR-KR} 33. Rc1 Rd4 34. Kf3 Ke7 35. Ke3 (35. Rc3 {was worth a try.}) 35... Kd6 36. Rf1 Rd3+ 37. Ke2 Ra3 38. Rf7 Rxa2+ 39. Kd1 (39. Ke3 $142 Rxh2 40. Rxa7) 39... Rxh2 40. Rxg7 Kc5 41. Rxa7 Kxb5 42. Re7 c3 43. Rxe5+ Kc4 44. Re6 b5 {Precision: White = 30%, Black = 82%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Siddarth, M."]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "B98"]
[WhiteElo "2040"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,78,38,32,85,-31,-26,-58,0,-127,-114,-200,-190,-242,-215,-350,-350,-340,-337,-464,-463,-469,-453,-481,-483,-473,-466,-483,-487,-500,-543,-543,-527,-791,-801,-779,-808,-808,-803,-790,-797,-840,-821,-1100,-1100,-1045,-1038,-1093,-1089,-2363,-2284,-29984,-29985,-29992,-29993,-29993,-29994,-29994,-29995]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7 11. Qg3 {B98: Sicilian Najdorf: 6 Bg5 e6 7 f4 Be7, sidelines} (11. Be2 O-O 12. g4 b5 13. g5 hxg5 14. Bxg5 b4 15. Nd5 exd5 16. Nf5 Nc5 17. Nxe7+ Qxe7 18. e5 dxe5 19. fxe5 Qxe5 20. Bxf6 Qxf6 21. Qxf6 gxf6 {1-0 (40) Almasi,Z (2695)-Bogner,S (2599) Germany 2014}) 11... Rg8 12. Be2 {LiveBook: 17 Games} b5 (12... g5 $14 13. fxg5 hxg5 14. Bxg5 b5) 13. Bf3 $146 ({White should try} 13. e5 $16 dxe5 14. fxe5 Nxe5 15. Bf3) ({Predecessor:} 13. Bxf6 Nxf6 14. e5 Nd7 15. Bf3 d5 16. Nxe6 fxe6 17. Qg6+ Kd8 18. Nxd5 exd5 19. Bxd5 {½-½ (33) Weist,T (1975)-Juhnke,K (2142) Germany 2018}) 13... g5 $1 $15 {[%cal Rg5h4]} 14. fxg5 Ne5 ({Black should play} 14... hxg5 $15 15. Bxg5 b4) 15. gxf6 (15. g6 $11) 15... Rxg3 $17 16. fxe7 {[#]} (16. hxg3 $17 {was necessary.} Bf8 17. Kb1) 16... Rg5 $1 $19 {[%mdl 512]} 17. Bxg5 (17. a3 $142) 17... hxg5 {[%cal Bh6g5,Bg5g4][%mdl 32]} 18. Bh5 (18. a3 $142) 18... b4 (18... Qxe7 $2 19. h3 $19) ({Not} 18... Kxe7 {[#]} 19. Nf5+ $1 {[%mdl 512]} Kf8 20. Nxd6 $17) 19. Nce2 Kxe7 20. h4 g4 21. Rhf1 Bd7 22. Nf4 {intending Nf5+!} Qc4 23. Kb1 Rg8 24. Rf2 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 25. Rfd2 a4 26. Nde2 b3 27. axb3 axb3 28. Nc3 Rb8 29. Nfe2 bxc2+ 30. Rxc2 Qa6 31. Rd4 Rh8 32. Ng3 Ra8 {[%csl Ga8][%cal Ra6a1]} 33. Kc1 Qa1+ 34. Nb1 Bb5 35. Rc7+ Kf6 36. Rc3 Ra2 {Black mates.} 37. Rd2 {[#]} Nd3+ $1 {[%mdl 512]} 38. Rcxd3 Bxd3 {[%csl Gd3][%cal Ra1b1]} 39. e5+ Kxe5 {Accuracy: White = 21%, Black = 86%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Sa, Kannan"]
[Black "Karthik Venkataraman"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2026"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,128,10,20,12,7,7,20,0,24,7,6,0,20,0,28,13,35,0,63,13,12,14,13,5,6,27,42,5,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-104,0,0,0,0,0,0,0,-14,-17,-17,-17,-187,-170,-161,-157,-170,-172,-297,-265,-276,-270,-287,-263,-472,-458,-5202,-2727]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 7. Nf3 b6 8. g3 Bb7 9. Bg2 a5 10. b3 Nbd7 11. O-O Qb8 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (11... c5 12. Bb2 Qc7 13. Rfd1 Rfd8 14. Rac1 Rac8 15. Bh3 d5 16. cxd5 Bxd5 17. Nd2 Qb8 18. f3 h6 19. e4 cxd4 20. Qxd4 Bb7 {1-0 (40) Georgiev,K (2590)-Bacallao Alonso,Y (2588) Batumi 2018}) 12. Bb2 Be4 {LiveBook: 9 Games} 13. Nd2 Bxg2 {The position is equal.} 14. Kxg2 Qb7+ 15. Qf3 d5 16. a4 $146 ({Predecessor:} 16. Rac1 Rac8 17. Rfe1 Ne4 18. Nxe4 dxe4 19. Qc3 {½-½ (66) Zamikhovsky,A-Sakharov,Y Kiev (Ukraine) 1963}) 16... Rfe8 17. Rfd1 h6 18. Rac1 c6 19. e4 b5 20. e5 Nh7 (20... Ne4 $11) 21. cxb5 cxb5 22. axb5 Qxb5 23. Rc7 a4 $132 {[%mdl 2048] Black is not keeping still} 24. bxa4 Qxa4 25. h4 Nhf8 26. Nf1 Qb5 27. Ba3 Rec8 28. Rdc1 Rxc7 29. Rxc7 Qb6 30. Bd6 Qxd4 31. Bxf8 Nxe5 32. Qf4 Qxf4 33. gxf4 {Hoping for Bxg7.} Ng6 34. Bc5 Nxf4+ 35. Kf3 Ra4 36. Ra7 Rc4 37. Nd2 Rxc5 38. Kxf4 $11 {[%mdl 4096] Endgame KRN-KR} h5 39. Nf3 {Black must now prevent Ng5.} f6 40. Re7 Rc4+ 41. Ke3 e5 42. Rd7 Re4+ 43. Kd3 Rf4 44. Ke2 d4 45. Rd8+ Kf7 46. Rd6 Re4+ 47. Kf1 Rg4 48. Ke2 Re4+ 49. Kf1 Kg6 50. Rd7 Rg4 51. Re7 (51. Ke2 $11 {remains equal.}) 51... Kf5 ({Better is} 51... d3 $1 $17 52. Nd2 Rxh4) 52. Ke2 Kg6 53. Rd7 Kf5 54. Re7 g6 55. Re8 Re4+ 56. Kf1 Rf4 57. Kg2 $2 (57. Ke2 $11) 57... Rg4+ {[%mdl 1024] Black has strong compensation.} 58. Kf1 Ke4 $1 {[%cal Re4f3]} 59. Nd2+ Kd3 60. Nf3 {[#]} (60. Nb3 $142) 60... e4 $1 $19 {[%cal Re4f3]} 61. Ne1+ Kd2 62. Ng2 f5 63. Rd8 $2 (63. Ra8 {is a better defense.} d3 64. Ne3 Rxh4 65. Ra2+ Kc3 66. Nd1+ Kd4 67. Kg1) 63... d3 64. Rf8 {[#]} (64. Ne3 $142 Rxh4 65. Nc4+ Kc3 66. Rc8) 64... Rxg2 $1 {Precision: White = 42%, Black = 70%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Gaurav Rajesh Zagade"]
[Black "Deviatkin, Andrei"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2019"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,74,60,36,14,22,22,19,13,39,30,38,-16,-19,-19,-30,-21,0,0,0,0,0,0,0,0,0,-12,-12,-12,-12,-30,-30,-67,-66,-42,0,-8,-6,-21,-13,-110,-78,-159,-85,-697,-697,-2425,-1173,-29977,-29980,-29991,-29992,-29997,-29998]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. Nf3 O-O 6. g3 d6 7. Bg2 e6 8. O-O exd5 9. cxd5 Re8 10. Re1 a6 11. a4 {A62: Modern Benoni: Fianchetto Variation without early ...Nbd7} Ne4 12. Nxe4 Rxe4 {LiveBook: 26 Games} 13. Ra2 $146 {White is slightly better.} ({Predecessor:} 13. Qc2 Rb4 14. Ra2 a5 15. Bd2 Na6 16. Bc3 b5 17. axb5 Rxb5 18. Qd2 Nb4 {1-0 (49) Rodshtein,M (2699)-Deac,B (2560) Heraklio 2017}) 13... Nd7 14. Nd2 Re8 15. b3 f5 16. Nc4 Ne5 17. f4 (17. a5 $14) 17... Nxc4 $11 18. bxc4 Bd7 19. Bb2 b5 20. Bxg7 Kxg7 21. axb5 axb5 22. Qa1+ Kf7 23. cxb5 Bxb5 24. e4 Rxa2 25. Qxa2 fxe4 26. Rxe4 Qa8 $36 {[%mdl 2048] Black is more active.} 27. Qb2 Rxe4 28. Bxe4 Qa4 29. Bf3 Qc4 {[%csl Gb5][%cal Rc4f1] [#]} 30. Qa1 Qd3 31. Qd1 (31. Qa7+ $11 {keeps the balance.} Kg8 32. Qa8+ Kg7 33. Qa1+ Kh6 34. Qd1) 31... Qe3+ 32. Kg2 {[#]} Bd3 (32... c4 $142 $1 {[%cal Rc4c3]} 33. Qf1 Qb3) 33. Bg4 $2 {[%mdl 8192]} (33. Qg1 $17 Qxg1+ 34. Kxg1) 33... c4 $19 34. Be6+ Ke7 (34... Kg7 $142 35. Kh3 c3) 35. Kh3 Qf2 {Black mates.} 36. Qa1 Bf1+ 37. Kh4 Qxh2+ {Precision: White = 41%, Black = 45%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Rakesh, Kumar Nayak"]
[Black "Khusenkhojaev, Muhammad"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2009"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,111,35,26,39,26,38,25,39,13,24,9,15,3,9,-29,-8,-12,-16,-10,-9,-20,0,0,0,0,0,-54,11,0,0,-8,2,0,0,0,0,-12,-19,-27,0,0,0,-11,2,-41,-35,-76,-58,-290,-276,-363,-351,-367,-363,-345,-217,-217,-196,-196,-68,-31,-70,-63,-7,-5,-4,-314,-344,-298,-176,-156,0,-323,-134,-304,-311,-311,-337,-506,-506,-552,-541,-387,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. Bg2 g6 5. b3 Bg7 6. Bb2 O-O 7. O-O Nbd7 8. d4 Ne4 9. Nbd2 {LiveBook: 52 Games} Qa5 {D78: Fianchetto Grünfeld: 6 0-0 c6} (9... Ndf6 10. Ne5 Bf5 11. e3 Qa5 12. Nxe4 Nxe4 13. f3 Nf6 14. Qe2 Nd7 15. e4 Nxe5 16. exf5 Nd7 17. fxg6 hxg6 18. Qxe7 {1-0 (46) Vitiugov,N (2740)-Alekseev,E (2622) Sochi 2018}) 10. a3 Nxd2 11. Nxd2 Nf6 {White has an edge.} 12. b4 Qb6 $146 ({Predecessor:} 12... Qd8 13. Rc1 Bf5 14. Re1 Qd7 15. a4 Bh6 16. e3 Ne4 17. cxd5 cxd5 18. Nxe4 Bxe4 19. Bxe4 dxe4 {1-0 (36) Dive,R (2302)-Jackson,L (1921) Wellington 2016}) 13. Rc1 a5 14. Bc3 axb4 15. c5 Qc7 16. axb4 h5 17. Qb3 h4 18. b5 hxg3 19. hxg3 Bf5 20. Ra1 Bh6 21. Qb4 ({White should play} 21. Nf3 $11) 21... Ng4 ({Better is} 21... Be3 $15 22. Rxa8 (22. fxe3 Qxg3 23. Rxa8 Bh3 24. Rf2 Ng4 25. Rxf8+ Kxf8 26. bxc6 Qxf2+ 27. Kh1 Bxg2#) 22... Qxg3) 22. b6 Qd7 23. Nf3 f6 24. Ra7 Kg7 25. Bd2 Rab8 26. Bxh6+ Nxh6 27. Qd2 g5 28. Nh2 Rh8 29. f4 Nf7 {[%cal Bh6f7,Bf7g5,Bg5h3][%mdl 32]} 30. fxg5 Nxg5 {And now ...Bh3 would win.} 31. Qf4 Bh3 32. g4 $2 (32. Nf3 $1 $15 Bxg2 33. Kxg2 Qh3+ 34. Kf2 Ne4+ 35. Ke1) 32... Qe6 {White must now prevent ...Bxg2.} 33. e3 Bxg2 34. Kxg2 Nh3 35. Qf3 Rh6 (35... Ng5 36. Qf4 $17) 36. Ra3 Rbh8 37. Qf5 Qe4+ (37... Ng5 $19 38. Nf3 Qe4 39. Qxe4 Nxe4) 38. Qxe4 $15 dxe4 39. Rf5 Ng5 $36 {[%mdl 2048] Black has good play.} 40. Nf1 Rh4 41. Rxg5+ $2 {[%mdl 8192]} (41. Kg3 $1 $11 {and White has nothing to worry.}) 41... fxg5 $11 {[%mdl 4096] Endgame KRR-KRN} 42. Kg3 {Now Ra7 and White clings on.} Rh1 (42... Rh3+ $142 43. Kg2 Kf7) 43. Kg2 $19 {intending Ra7.} R1h4 $2 (43... Kg6 $1 $17 44. Ra7 R1h4 45. Rxb7 Rxg4+ 46. Ng3 Rf8) 44. Kg3 {White hopes to continue with Ra7.} e5 (44... Kg6 $19 {has better winning chances.} 45. Ra7 Rh3+ 46. Kg2 R8h4 47. Rxb7 Rf3) 45. Ra7 $2 (45. dxe5 $17 R8h7 46. Ra7) 45... Rh3+ $1 46. Kg2 exd4 47. Rxb7+ (47. exd4 $142 e3 48. Rxb7+ Kf6 49. Nxe3 Rxe3 50. Rc7) 47... Kf6 48. exd4 {[#]} e3 $1 {[%cal Re3e2]} 49. Ng3 {[#]} Rxg3+ $2 (49... Rh2+ $1 $19 50. Kf1 R8h4 51. Ne4+ Kg6) 50. Kxg3 {aiming for Kf3. KR-KR. The position is equal.} Re8 {( -> ...e2)} 51. Rh7 $1 e2 52. Rh6+ Kf7 $1 ({Wrong is} 52... Kg7 $2 53. Rh1 $18) 53. Rh7+ Kf6 54. Rh6+ Kf7 $1 ({Avoid the trap} 54... Kg7 $2 55. Rh1 $18) 55. Rh7+ Kf6 56. Rh6+ {Precision: White = 38%, Black = 56%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Barath Kalyan M"]
[Black "Nguyen, Van Huy"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2004"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,97,-21,-2,-27,-28,-54,-28,-26,-24,-47,-53,-75,-45,-65,-56,-213,-197,-358,-359,-357,-349,-333,-312,-578,-581,-555,-600,-597,-590,-579,-586,-583,-572,-593,-585,-579,-581,-671,-581,-631,-636,-725,-748,-691,-629,-1310,-1229,-1813,-1772,-29978,-29979,-29979,-29980,-29979,-29979,-29979,-29980,-29982,-29983,-29983,-29984,-29986,-29987,-29987,-29988,-29988,-29989,-29989,-29990,-29990,-29991,-29991,-29991,-29995,-29996,-29996,-29997,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. b3 cxd4 5. exd4 Nc6 6. Be2 g6 7. O-O Bg7 8. Bb2 O-O 9. Nbd2 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (9. Na3 Bf5 10. Re1 Rc8 11. h3 Qb6 12. c3 Ne4 13. Bd3 e5 14. Nc2 Rfd8 15. Bf1 Nxf2 16. Kxf2 Bxc2 17. Qxc2 Nxd4 18. Nxd4 exd4 {0-1 (24) Ratkovic,M (2407)-Nestorovic,N (2506) Ruma 2017}) 9... Bf5 10. Ne5 Rc8 {LiveBook: 67 Games} 11. Bd3 {The position is equal.} Bxd3 12. Nxd3 Qa5 $146 ({Predecessor:} 12... Ne4 13. Nxe4 dxe4 14. Ne5 Nxe5 15. dxe5 Qxd1 16. Rfxd1 Rxc2 {0-1 (31) Anuta,L (2013)-Pop,A (2286) Targu Mures 2014}) 13. c3 Rfd8 14. f4 e6 15. a4 Ne7 {[%cal Bc6e7,Be7f5,Bf5d4,Bd4e2][%mdl 32]} 16. Qe2 Nf5 (16... Rxc3 $5 {[%cal Rc3c2]} 17. b4 Qc7 18. Bxc3 Qxc3 $15) 17. Rf3 $2 {[#]} (17. Qe1 $15) 17... Rxc3 $19 18. b4 $2 (18. Bxc3 {was forced.} Qxc3 {[%mdl 64] Double Attack} 19. Qe1) 18... Nxd4 19. bxa5 Nxe2+ 20. Kf1 Rc2 21. Nb3 $2 (21. Kxe2 Ne4 22. Rd1 Bxb2 23. Ne1) 21... Ng4 22. Bxg7 Nxh2+ {[%mdl 64] [#] Double Attack} 23. Ke1 Nxf3+ 24. Kd1 Kxg7 25. Kxc2 Rc8+ 26. Kb2 Nfd4 27. Nxd4 Nxd4 {[%mdl 4096] Endgame KRN-KRN} 28. Rd1 Rc4 29. Ka3 Nc6 30. Ne5 Nxe5 31. fxe5 {KR-KR} f6 32. Rb1 Rc7 33. exf6+ Kxf6 34. Kb4 a6 {Black mates.} 35. Rf1+ Ke7 36. Rh1 Kd6 37. Rf1 d4 38. g4 e5 {[%cal Be6e5,Be5e4][%mdl 32]} 39. Rf6+ Kd5 40. g5 d3 41. Rf8 Kd4 42. Rd8+ Ke3 43. Re8 e4 44. Rd8 d2 45. Rd5 Ke2 46. Re5 d1=Q 47. Rxe4+ Kd3 48. Re8 Qb1+ 49. Ka3 Rc3# {Accuracy: White = 19%, Black = 81%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Ashutosh, Kumar"]
[Black "Lugovskoy, Maxim"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1989"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,74,12,56,33,19,13,36,28,19,28,50,42,47,54,72,0,0,-22,-27,-77,-44,-94,-95,-88,-91,-125,-127,-179,-177,-170,-170,-204,-204,-204,-208,-220,-183,-185,-177,-340,-232,-229,-142,-376,-384,-359,-300,-341,-287,-279,-288,-398,-396,-631,-649,-650,-646,-640,-501,-639,-625]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Qa4 8. Qg4 g6 9. Bd3 {C18: French: 3 Nc3 Bb4: Main line: 7 h4 and 7 Qg4} (9. Nf3 Nc6 10. Be2 Bd7 11. O-O c4 12. Ra2 O-O-O 13. Bg5 Rf8 14. Qh4 h6 15. Rb1 Rh7 16. h3 f5 17. exf6 Rff7 18. Qg3 Qa5 19. Bf4 Nxf6 20. Nd2 {1-0 (50) Saric,I (2689)-Lupulescu,C (2606) Batumi 2018}) 9... c4 10. Be2 Qxc2 11. Nf3 {White is slightly better.} Nc6 12. O-O Bd7 {[%cal Bc8d7,Bd7c6,Bc6a4][%mdl 32]} 13. Bd1 Qb2 14. Ba4 {[#] aiming for Rfb1.} Qb6 $1 15. Bxc6 $146 (15. Rfb1 $16 Qc7 16. Bc2) ({Predecessor:} 15. Qf4 h6 16. h4 Qc7 17. Bxc6 Bxc6 18. a4 a5 {0-1 (34) Salles,L (2207)-Cotonnec,M (2313) Paris 2016}) 15... Bxc6 $11 16. Ng5 Qc7 17. f4 O-O-O 18. Qh3 Ba4 19. Rac1 h6 20. g4 {intending f5.} Rf8 21. f5 {[#]} (21. Nf3 $17) 21... gxf5 $1 $19 22. gxf5 Ne7 23. f6 hxg5 24. fxe7 Qxe7 (24... Rxh3 $2 {perishes.} 25. exf8=Q+ Qd8 26. Qxd8+ Kxd8 27. Rxf7 $18) 25. Qg3 g4 26. Rf4 Qxa3 27. Rcf1 $2 (27. Rxg4 Kb8 28. h4) 27... Qb2 28. Bc1 Qc2 {Strongly threatening ...Rh3.} 29. Ba3 $2 (29. Rxg4 $17 Rh7 30. h4) 29... Rh3 30. Qf2 Qxf2+ 31. R1xf2 g3 32. hxg3 Rg8 33. Rxf7 {White hopes to continue with Rf8+.} Rgxg3+ 34. Kf1 (34. Rg2 $142 Rxg2+ 35. Kxg2 Rxc3 36. Bd6) 34... Rh1+ {Black is clearly winning.} 35. Ke2 Bd1+ 36. Kd2 Rd3+ 37. Kc1 {Now Kb2 and White clings on.} Bh5+ {Precision: White = 41%, Black = 66%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "2"]
[White "Harshad S"]
[Black "Sundararajan, Kidambi"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1961"]
[BlackElo "2436"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,-24,-16,-16,-16,-15,-19,-27,0,0,0,0,0,0,9,-16,-22,-12,-13,-16,-4,-45,0,0,0,0,6,0,6,-47,-46,-56,-47,-86,-21,-166,-166,-160,-160,-162,-155,-161,-155,-168,-164,-167,-125,-192,-48,-154,-150,-322,-325,-322,-307,-316,-289,-338,-330,-322,-235,-236,-245,-490,-498,-452,-476,-469,-99,-447,-447,-1445,-1389,-2498,-2281,-5281,-5257]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Be2 d6 6. O-O Nc6 7. exd6 Bxd6 8. d4 O-O 9. c4 {B22: Sicilian: 2 c3} Nf6 {With the idea ...cxd4.} 10. dxc5 Bxc5 11. Nc3 {The position is equal.} b6 $146 ({Predecessor:} 11... h6 12. Na4 Be7 13. Nc3 Bc5 14. Na4 Be7 15. Nc3 Bc5 {½-½ (15) Trbojevic,M (2361)-Kristovic,M (2290) Croatia 2015}) 12. Bf4 Bb7 13. a3 Qe7 14. b4 Rfd8 15. Qb3 Nd4 16. Nxd4 $1 Bxd4 17. Rad1 a6 {[%cal Ba7a6,Ba6a5,Ba5a4][%mdl 32]} 18. Nb1 Ne4 19. Be3 e5 20. Bf3 f5 21. Bxd4 exd4 22. Qd3 (22. Rfe1 $11) 22... a5 $36 {[%mdl 2048] Black is pushing.} 23. Qb3 Qf7 24. Nd2 d3 (24... Nxd2 $17 25. Rxd2 Bxf3 26. Qxf3 Rac8) 25. Rfe1 (25. Bxe4 $11 a4 26. Qc3 fxe4 27. Rde1) 25... a4 $1 $19 {[%cal Ra4b3]} 26. Qb2 {[%cal Rd2e4]} Nxd2 27. Bxb7 {aiming for Bd5.} Nxc4 ({Stronger than} 27... Qxb7 28. Qxd2 Rac8 29. Qc3 $11) 28. Qc3 Qxb7 29. Qxc4+ Qf7 30. Qc6 Rab8 31. h3 {[#]} (31. Kf1 $17) 31... b5 ({Black should play} 31... Qb3 $1 $19 {Threatens to win with ...h6.} 32. Qe6+ Kh8) 32. Rd2 {[#]} (32. Re3 $1 $15) 32... Qc4 $1 $17 {[%cal Rc4c6]} 33. Qf3 $2 (33. Qc5 $17 {was called for.}) 33... Qc3 $19 34. Red1 {[%cal Rd2d3]} Qxa3 35. Rxd3 Rxd3 36. Rxd3 {Qd5+ would kill now.} Qxb4 37. Qxf5 {[%mdl 4096] Endgame KQR-KQR} Rf8 38. Qe6+ Kh8 {White must now prevent ...Qb1+.} 39. Rd7 $2 (39. Rg3 {was worth a try.} Qc5 40. Qa2) 39... Qc5 40. Rf7 Rxf7 41. Qxf7 {White threatens Qe8+ and mate.} Qc1+ 42. Kh2 {[%cal Rf7f8]} Qc8 {Black is clearly winning.} 43. Qa2 (43. Qe7 $142 Qb8+ 44. g3) 43... Qf8 44. Kg1 a3 45. Qb3 Qa8 {Accuracy: White = 31%, Black = 68%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Pantsulaia, Levan"]
[Black "Tran, Minh Thang"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2597"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,-10,-9,-16,0,0,0,-5,0,-25,-50,-41,-51,-54,-50,-62,-55,-47,-42,-62,-29,-43,-30,-29,-27,-27,-47,-48,0,0,0,-12,0,0,0,0,0,0,0,0,0,0,73,0,16,0,74,77,80,40,32,-683,-683,-683,-683,-683,-683,-683,-679,-659,-644,-702,-695,-735,-733,-667,-623,-845,-594,-831,-820,-904]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Bc5 4. Nf3 c6 5. Nc3 d6 6. d4 {A21: English Opening: 1...e5 2 Nc3} exd4 7. Nxd4 Nf6 8. Nb3 Bb4 {LiveBook: 6 Games} 9. Bg5 Be6 $146 ({Predecessor:} 9... Nbd7 10. Qc2 h6 11. Bh4 O-O 12. e3 Re8 {0-1 (109) Heberla,B (2556)-Sokolov,I (2625) Warsaw 2013}) 10. e3 Nbd7 11. Rc1 h6 12. Bh4 g5 13. Bg3 Ne4 14. Be2 Qe7 15. O-O Bxc3 $1 16. Rxc3 Ndf6 17. Rc1 h5 {aiming for ...h4.} 18. Nd2 O-O-O 19. Nxe4 Nxe4 20. Bxh5 f5 21. Be2 f4 (21... Qf6 {keeps more tension.} 22. h3 Qxb2 23. Rc2 Qg7 24. Qd4 Qxd4 25. exd4 f4) 22. exf4 gxf4 23. Qd4 $1 (23. Bxf4 $2 Qh4 $19) 23... fxg3 24. Qxe4 Rxh2 {[#] Threatens to win with ...Rdh8.} 25. fxg3 Rdh8 {Hoping for ...Bd5.} 26. Rc3 Bd5 $40 {[%mdl 128] Black is up to no good.} 27. Qg4+ Be6 {[%cal Bd5e6,Be6d7,Bd7e8][%mdl 32]} 28. Qd4 Qh7 (28... Bd5 $11 29. cxd5 (29. Bg4+ Kb8 $17) 29... Qxe2 {[%mdl 64] Double Attack} 30. Rf8+ Rxf8 31. Kxh2 Qh5+ {[%mdl 64] Double Attack} 32. Kg1 Re8) 29. Qf4 (29. Qxd6 $16 Qh6 30. Qa3) 29... Qe7 30. Qd4 (30. Re1 $11) 30... Qh7 $16 31. Qxd6 Qh6 32. Qe5 Bd7 {[#] White must now prevent ...Re8.} 33. Bf3 $2 {[%mdl 8192]} ({Don't blunder} 33. Rf7 $2 Re8 $19) (33. Rd3 $14) 33... Rh1+ $19 {Black is clearly winning.} 34. Kf2 Rxf1+ ({Inferior is} 34... Qd2+ 35. Qe2 $14) 35. Kxf1 Qh1+ 36. Kf2 {And now Rc1 would win.} Re8 37. Qxe8+ Bxe8 38. Re3 Bd7 39. b3 Qa1 40. Re2 Qd4+ 41. Ke1 Qg1+ 42. Kd2 Bf5 43. Kc3 {Accuracy: White = 49%, Black = 78%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Popov, Ivan"]
[Black "Saravanan, V.."]
[Result "1/2-1/2"]
[ECO "C06"]
[WhiteElo "2588"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,93,22,22,38,37,49,37,55,15,34,13,23,26,38,19,14,10,45,58,60,32,22,14,56,50,72,78,49,51,58,73,65,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,0,0,0,0,-8,-8,-8,-8,-8,-8,-8]} 1. e4 {Navara,D} e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. O-O Bd6 11. Nf3 Qc7 12. h3 O-O 13. Be3 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} Bd7 {[%cal Bc8d7,Bd7e8,Be8f7,Bf7g8][%mdl 32]} 14. Re1 Be8 15. Ng5 Bf7 16. Rc1 {LiveBook: 3 Games} Kh8 17. a3 Bg8 18. b4 a6 {[#]} 19. Qd2 $146 ({Predecessor:} 19. g3 h6 20. Nf4 Bxf4 21. Bxf4 {1-0 (38) Navara,D (2729)-Michiels,B (2563) Wijk aan Zee 2015 CBM 165 [Navara,D]}) 19... Rae8 20. f4 h6 21. Nf3 Bh7 22. Bxh7 Kxh7 23. Ne5 Bxe5 24. dxe5 Ne4 25. Qc2 Kg8 26. Nd4 {[%cal Rd4c6]} g5 (26... Qd7 {is interesting.} 27. Nb3 Rc8 28. Qd3 h5 29. Nc5 Nxc5 30. Rxc5 Ne7) 27. fxg5 hxg5 28. Nxc6 bxc6 29. Qxc6 Qxe5 30. Qxa6 g4 {[#] ( -> ...gxh3)} 31. hxg4 (31. Qe2 $14 gxh3 32. Qg4+ Kf7 33. Qxh3) 31... d4 $11 {The position is equal.} 32. Qd3 dxe3 33. Qxe3 Qf6 $1 34. Rf1 Qg6 35. Rxf8+ Rxf8 36. Re1 Qf6 37. b5 Nc3 38. g5 Qf5 39. b6 {White wants to play b7.} Nd5 $1 {[%cal Rd5e3]} 40. Qxe6+ Qxe6 41. Rxe6 {[%mdl 4096] [#] Endgame And now a4 would win. KRN-KR} Rb8 42. a4 {[%cal Ba3a4,Ba4a5][%mdl 32] Threatens to win with a5.} Nxb6 43. a5 Nd5 44. a6 Ra8 45. Re5 Nb4 46. Ra5 Rxa6 47. Rxa6 {Precision: White = 59%, Black = 80%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Aleksandrov, Aleksej"]
[Black "Ameir, Moheb"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2582"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,0,0,11,0,13,0,0,0,16,0,0,0,0,-8,-8,-39,-22,-227,-231,-262,-260,-279,-277,-315,-237,-224,-240,-232,-232,-215,-193,-164,-115,-117,0,0,0,0,0,0,0,0,0,0,66,77,62,56,75,54,82,73,92,92,93,93,104,9,342,335,329,327,270,269,261,269,580,516,4454,2320,4548,2956,29969,29964,29974,29975,29973,29975]} 1. c4 e5 2. Nc3 Bb4 3. Nd5 Be7 4. Nf3 d6 5. d4 Nf6 (5... e4 6. Nd2 f5 7. Nb1 c6 8. Nxe7 Nxe7 9. Nc3 O-O 10. e3 Be6 11. Be2 Nd7 12. b3 d5 13. a4 a5 {1-0 (41) Inarkiev,E (2727)-Bologan,V (2640) Poikovsky 2017}) 6. Nxe7 {A21: English Opening: 1...e5 2 Nc3} Qxe7 7. e3 {LiveBook: 4 Games} e4 8. Nd2 {The position is equal.} O-O 9. Be2 c5 10. d5 Bf5 {[%cal Bc8f5,Bf5g6,Bg6h7][%mdl 32]} 11. g4 Bg6 12. h4 h6 $1 13. b3 $146 Nbd7 {[%cal Bb8d7,Bd7e5,Be5g4][%mdl 32]} 14. Bb2 $1 Ne5 {next ...Nfxg4! is good for Black.} 15. Nf1 $2 {[#]} (15. g5 $1 $11 hxg5 16. hxg5) 15... Nfxg4 $1 $19 {[%mdl 512]} 16. h5 {[#]} (16. Bxg4 Nd3+) 16... Bh7 $1 ({Don't do} 16... Bf5 17. Qd2 $17) 17. Qd2 f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 18. Qc3 f4 {And now ...f3 would win.} 19. Bxg4 Nxg4 20. Rg1 Ne5 21. O-O-O fxe3 22. Qxe3 Rf7 23. Qxh6 Rxf2 (23... Nd3+ $17 24. Rxd3 exd3) 24. Qe6+ $11 Qxe6 25. dxe6 {Hoping for Bxe5.} Nd3+ $1 {[#]} 26. Rxd3 $1 {[%mdl 512]} exd3 27. Rxg7+ Kf8 28. Nd2 Re8 (28... Rh2 $1 $11 29. Rf7+ Kg8 30. Rg7+ Kf8 31. Rf7+ Kg8 32. Rg7+ Kf8) 29. Rxh7 $14 Rxe6 {[%cal Re6e1]} 30. Bc3 Re1+ 31. Kb2 {Black must now prevent h6.} Ree2 32. a4 Rxd2+ 33. Bxd2 Rxd2+ $16 {[%mdl 4096] Endgame KR-KR} 34. Kc3 Rh2 35. a5 (35. Kxd3 $16 Rh3+ 36. Kc2) 35... Ra2 $2 {[%mdl 8192]} ({But not} 35... d2 $6 36. Kc2 $16) (35... b6 $11 {and Black stays safe.}) 36. Kxd3 $18 Rxa5 37. Rxb7 Ra1 38. h6 Kg8 39. Ke4 a5 $2 (39... Rd1 {is a better chance.} 40. Rxa7 Rd4+ 41. Kf5 d5) 40. Kd5 Rb1 (40... Rd1+ $142 41. Ke6 Rd3 42. Rg7+ Kh8) 41. Kxd6 a4 42. Kxc5 axb3 43. Kc6 {White mates.} b2 44. h7+ Kh8 45. c5 {Precision: White = 68%, Black = 37%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Deepan Chakkravarthy J."]
[Black "Konguvel, Ponnuswamy"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2543"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,157,3,2,1,8,-28,0,-39,-11,-23,-23,-31,-17,-56,8,6,10,8,8,4,14,-35,-33,-35,0,0,40,37,78,58,50,43,54,51,45,44,40,40,40,47,59,59,59,59,59,59,68,60,60,58,58,58,59,47,59,59,59,59,59,59,59,59,59,59,768,747,559,118,118,8,8,8,12,12,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,118,125,125,125,125,120,120,150,125,125,125,125,125,125,125,125,125,125,122,125,118,125,118,128,118,131,126,131,122,148,132,180,125,125,-29982]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Nb6 6. Nf3 Bg7 7. Bg5 {D90: Grünfeld: 4 Nf3 Bg7 sidelines} c5 8. dxc5 Bxc3+ 9. bxc3 Qxd1+ 10. Rxd1 Na4 {LiveBook: 11 Games} 11. Bh6 Nxc5 12. e3 Nc6 13. h4 $146 ({Predecessor:} 13. Nd4 Bd7 {0-1 (21) Svetushkin,D (2594)-Stella,A (2447) Livigno 2011}) 13... Be6 14. a3 f6 15. Nd4 Bd5 16. f3 O-O-O ({Black should try} 16... Na5 $15) 17. e4 $36 {[%mdl 2048] Black is under pressure.} Bf7 18. Nxc6 bxc6 19. Be3 Na4 20. Bxa7 (20. Rc1 {with more complications.} Kd7 21. g4 Rb8 22. Rh2 Rhd8 23. Bxa7 Rb3 24. Rd2+) 20... Rxd1+ 21. Kxd1 Kb7 22. Be3 Nxc3+ 23. Kc2 Nb5 24. Bc5 (24. a4 $5 {[%cal Ra4b5]} Nd6 25. Be2 $16) 24... e5 25. Bd3 Ra8 26. Rb1 Kc7 27. Bxb5 cxb5 $14 {[%mdl 4096] Endgame KRB-KRB} 28. Be7 Bc4 29. Bxf6 Kd6 30. Kb2 Ke6 31. Bg5 Ra7 32. Rh1 h5 33. Rc1 Rd7 34. a4 Ra7 35. axb5 Bxb5 36. Rc8 Bf1 37. Rc6+ Kf7 38. f4 exf4 39. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32] And now e6+ would win.} Bxg2 40. e6+ $1 Kg7 41. Rd6 $1 {[%cal Rd6d7][%mdl 1024] Threatens to win with Rd7+. White has compensation.} Bh3 $2 {[%mdl 8192]} (41... Rb7+ $14 42. Kc3 Bh3) 42. e7 $1 $18 {[%cal Re7e8]} Rb7+ 43. Kc3 $2 (43. Ka2 $18 {and White stays clearly on top.} Kf7 44. Rf6+ {[%mdl 64] Double Attack} Kxe7 45. Rb6+ {[%mdl 64] Discovered Attack} Kd7 46. Rxb7+ Kc6 47. Rg7) 43... Rc7+ $16 44. Kb4 (44. Kd4 $16 Kf7 45. Ke5) 44... Kf7 $1 $11 45. Rd4 Rxe7 (45... Rb7+ {feels hotter.} 46. Kc5 Rc7+ 47. Kb6 Rxe7 48. Bxe7 Kxe7 49. Rxf4 Bf5) 46. Rxf4+ Ke8 (46... Bf5 $11) 47. Bxe7 $16 Kxe7 {KR-KB} 48. Kc5 Bf5 49. Ra4 Kf6 {[#]} 50. Kd4 $1 Be6 51. Ra5 Bf5 52. Ke3 Be6 53. Kf4 Bf5 54. Ra6+ Be6 55. Rb6 Kf7 56. Kg5 {aiming for Rb7+.} Bf5 57. Rb7+ Ke6 58. Kf4 Bc2 59. Rb6+ Kd5 60. Rb2 Bf5 61. Re2 Kd6 62. Kg5 Kd7 63. Kf6 Kd6 64. Rd2+ Kc6 65. Rd1 Kc7 66. Ke7 Kc6 67. Rd2 Kc5 68. Rd6 Kc4 69. Kf6 Kc5 70. Ke5 Kc4 71. Rc6+ Kd3 72. Rc5 Bg4 73. Ra5 Bf5 74. Ra6 Kc4 75. Ra7 Kd3 76. Rc7 Bg4 77. Rc1 Bf5 {[#]} 78. Rc6 ({Better is} 78. Kf4 $1 $18) 78... Ke3 79. Re6 $2 {[%mdl 40960] Accuracy: White = 56%, Black = 54%. . Loss on time!?} (79. Kf6 $16) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Tran, Tuan Minh"]
[Black "Sarwat, Walaa"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2541"]
[BlackElo "2265"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,99,61,72,69,86,91,87,92,87,77,91,142,64,64,49,63,46,52,62,64,60,108,108,108,104,101,103,133,125,125,120,191,181,187,191,193,187,181,153,153,138,132,113,139,133,166,164,225,225,228,227,231,218,241,241,246,247,342,342,398,376,383,382,351,329,329,299,362,362,365,334,386,366,387,387,522,514,527,515,608,601,911,1043,1954,2154]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 g6 5. Nc3 Bg7 6. Be2 O-O 7. O-O Be6 8. b3 c5 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} (8... Ne4 9. Bb2 Nxc3 10. Bxc3 Bf5 11. b4 Nd7 12. Qb3 Nf6 13. Rfc1 Ne4 14. Be1 a6 15. a4 Be6 16. Qc2 {1-0 (33) Swiercz,D (2639)-Prohaszka,P (2614) Saint Louis 2017}) 9. Ba3 {LiveBook: 6 Games} cxd4 10. Nxd4 Nc6 {White is better.} 11. Nxe6 fxe6 12. Rc1 Qa5 $146 ({Predecessor:} 12... d4 13. exd4 Nxd4 14. Nb5 e5 15. Nxd4 exd4 16. Bf3 {½-½ (52) Gill,N (2050)-Rice,C (2095) Port Erin 1998}) 13. Na4 Rfd8 {[#]} ({Black should try} 13... Rac8) 14. Qe1 (14. b4 $1 $16 {[%cal Rb4a5][%mdl 512]} Nxb4 15. Qb3) 14... Kf7 $14 15. cxd5 Rxd5 16. Bf3 Qxe1 17. Rfxe1 Rd2 18. Bb2 Nd5 19. Bxg7 Kxg7 20. Nc5 Kf7 21. Nxb7 Ncb4 22. a3 Rb8 {[#]} 23. Na5 $1 {[%cal Ra5c4] Hoping for Nc4.} ({Don't do} 23. axb4 $6 Rxb7 24. Red1 Rxd1+ 25. Bxd1 Nxb4 $14) 23... Nc2 (23... Nd3 $16) 24. Nc4 $18 Nxe1 25. Nxd2 Nd3 26. Rc4 Ne5 27. Bxd5 exd5 {[%mdl 4096] Endgame KRN-KRN} 28. Rc5 Ke6 29. Kf1 Kd6 30. b4 Nc6 31. Nb3 e5 {[#]} (31... a6 $142 32. Nd4 Nxd4) 32. e4 $1 {[%mdl 512]} dxe4 33. Nd2 Nd4 34. Nc4+ ({Resist} 34. Nxe4+ $6 Ke6) 34... Kd7 35. Rxe5 Nb5 36. Rxe4 a5 37. bxa5 Nc3 38. Rd4+ Kc7 {( -> ...Rb1+)} 39. Nb6 Kb7 40. g3 Ka6 41. Nc4 Kb5 42. Ne5 Re8 43. Rd3 Rc8 44. Rd7 Rc5 45. f4 g5 46. Nd3 {White is clearly winning.} Rf5 47. Rxh7 Kxa5 48. Rh5 Ne4 49. Nf2 Nd6 50. Rxg5 {Accuracy: White = 79%, Black = 40%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Karthik Venkataraman"]
[Black "Deshmukh, Anup"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "2515"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,53,58,53,65,39,77,18,78,78,122,152,192,179,163,136,166,166,252,261,303,295,298,293,437,436,397,397,393,264,599,598,674,670,633,614]} 1. e4 $146 (1. c4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. e4 Nf6 6. Nc3 Bg7 7. Be3 d6 8. Be2 O-O 9. O-O {1-0 (33) Andreikin,D (2700)-Topalov,V (2752) Astana 2012}) ({Predecessor:} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 c5 5. d4 cxd4 {1-0 (37) Stojanovic,M (2519)-Rabrenovic,V (2319) Serbia 2005}) 1... c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Bg7 5. c4 Nf6 6. Nc3 O-O ({Predecessor:} 6... d6 7. Be2 Nc6 8. Be3 Nxd4 9. Bxd4 O-O 10. O-O Be6 11. Rc1 Qa5 12. f4 Rfc8 13. b3 a6 {1-0 (37) Stojanovic,M (2519)-Rabrenovic,V (2319) Serbia 2005}) 7. Be2 a6 8. O-O d6 9. Be3 Nc6 10. Rc1 Nxd4 11. Bxd4 Be6 {B38: Sicilian: Maroczy Bind with 5...Bg7 and 7...0-0} (11... Bh6 12. f4 Be6 13. b3 Rc8 14. Bd3 Bd7 15. Nd5 Nxd5 16. exd5 b5 17. f5 bxc4 18. bxc4 Rb8 19. Qc2 {1-0 (33) Andreikin,D (2700)-Topalov,V (2752) Astana 2012}) 12. f4 Qa5 13. Qd3 (13. b3 $16) 13... Rfc8 (13... b5 $11 {keeps the balance.}) 14. b3 $16 Ne8 ({Predecessor:} 14... Rab8 15. f5 ({Predecessor:} 15. Ba7 Ra8 {1-0 (37) Stojanovic,M (2519)-Rabrenovic,V (2319) Serbia 2005}) 15... Bd7 16. Qe3 b5 17. Rc2 bxc4 18. Bxc4 Ng4 19. Qd2 Bxd4+ 20. Qxd4 {1-0 (37) Stojanovic,M (2519)-Rabrenovic,V (2319) Serbia 2005}) 15. f5 gxf5 16. exf5 Bxf5 17. Rxf5 Bxd4+ 18. Kh1 Rc5 (18... Be5 $142) 19. Nd5 $18 Rxd5 20. Rxd5 ({Not} 20. cxd5 Bg7 $16) 20... Qa3 21. Rg5+ Ng7 (21... Bg7 $142 22. Rf1 Qxa2) 22. Rf1 Bf6 23. Rg3 Qc5 24. Qe4 Qc6 $2 {[#]} (24... Qe5 25. Qxb7 Rf8) 25. Qf4 {White is clearly winning.} d5 26. cxd5 Qxd5 27. Qh6 {Accuracy: White = 69%, Black = 31%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Deviatkin, Andrei"]
[Black "Sai Vishwesh.C"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "2461"]
[BlackElo "2250"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,8,10,-2,6,0,0,-10,-12,-12,-10,-2,0,4,19,-15,-27,-25,-9,-28,26,38,120,112,110,104,108,83,125,115,108,114,115,103,111,113,92,92,142,137,146,137,111,143,135,119,210,198,179,108,123,127,124,121,94,35,25,27,37,39,45,0,0,-14,-29,-39,-49,-88,-68,-5206,-5206,-5114,-5089,-29994,-29995,-29996,-29997,-29997,-29998,-29999]} 1. d4 $146 (1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 c5 {1-0 (37) Markus,R (2613)-Martinovic,S (2567) Biograd 2018}) ({Predecessor:} 1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 d6 5. d4 c5 {0-1 (47) Rieger,R (2287)-Stradner,S (2204) Austria 2017}) 1... c5 2. d5 Nf6 3. Nf3 d6 4. g3 g6 5. b3 Bg7 {...Nxd5! is the strong threat.} 6. Bb2 {A43: Schmid Benoni} O-O (6... b5 7. Bg2 O-O 8. O-O Nbd7 9. Re1 Nb6 10. e4 e6 11. dxe6 Bxe6 12. Nbd2 h6 13. Qe2 Rb8 14. Rad1 Re8 15. Ba1 a6 {1-0 (37) Markus,R (2613)-Martinovic,S (2567) Biograd 2018}) 7. c4 b5 8. Nbd2 {The position is equal.} bxc4 9. bxc4 e6 ({Predecessor:} 9... Nbd7 10. Qc2 Rb8 11. Bc3 Nb6 12. e4 e6 13. Bd3 exd5 14. cxd5 {0-1 (47) Rieger,R (2287)-Stradner,S (2204) Austria 2017}) 10. dxe6 Bxe6 11. Bg2 Nbd7 12. O-O Rb8 13. Bc3 Nb6 14. Rc1 Qd7 (14... Re8 $142) 15. Ng5 $11 Qa4 ({Black should play} 15... Qe7 $14) 16. Nxe6 $16 fxe6 17. Bxf6 Bxf6 18. Ne4 Rbd8 19. Bh3 (19. Nxd6 $6 Qa6 $11) 19... Qxa2 20. Bxe6+ Kh8 21. Qd3 (21. Nxd6 $2 Qb2 $19) 21... Qb2 22. e3 Qe5 23. Bh3 d5 24. Nxf6 Qxf6 25. cxd5 Rxd5 26. Qa3 $1 c4 27. Qxa7 Rd2 (27... c3 $16 {was called for.}) 28. Rb1 $1 $18 {[%cal Rb1b6]} Rd6 29. Rb4 ({Better is} 29. e4 $18 Rf7 30. Qa6) 29... Rd1 30. f4 (30. Rxd1 {is a self mate.} Qxf2+ 31. Kh1 Qf3+ 32. Bg2 Qxd1+ 33. Bf1 Qxf1#) 30... Rd6 31. Bg2 Rc8 32. e4 (32. Qb7 $16 Qd8 33. Qe4) 32... Qd4+ $14 33. Kh1 {Hoping for e5.} Qc5 $1 {[%cal Rc5b4]} 34. Rbb1 {aiming for e5.} c3 35. e5 Rd7 36. Qa1 Rd2 37. Qa6 c2 38. Rbc1 {[#]} Rcd8 $1 $40 {[%mdl 128] Strongly threatening ...Rxg2! White needs to defend precisely.} 39. Qa2 $2 {[%mdl 8192] [#]} (39. Rfe1 $15) 39... Rxg2 $1 $19 {[%mdl 512]} 40. Kxg2 Rd2+ 41. Kh3 Qf8 {Black mates.} ({Don't blunder} 41... Qc6 $2 42. Qa3 $16 (42. Qf7 Nd7 $16)) 42. Kg4 Qf5+ 43. Kf3 Qh5+ {[%mdl 64] Double Attack} 44. Ke4 {Accuracy: White = 63%, Black = 71%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Nguyen, Van Huy"]
[Black "Aaryan Varshney"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2450"]
[BlackElo "2225"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,119,46,54,84,105,88,100,107,102,93,81,102,114,184,191,220,242,233,230,220,174,174,166,174,165,192,195,195,195,199,177,172,117,141,130,171,173,185,185,235,234,274,274,256,261,274,257,274,274,274,274,402,384,414,414,415,380,380,368,410,385,410,410,410,393,723,652,808,577,561,518,503,477,573,485,29968,29969,29969,29970,29970,29971,29968,29969,29972,29973,29972,29968,29981,29982,29981,29982,29990,29991,29991,29992,29997,29998]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O c6 {[%cal Bc7c6,Bc6c5][%mdl 32]} 7. Qc2 b6 8. Rd1 Bb7 9. b3 Nbd7 10. Nc3 Qc8 11. Bb2 c5 12. cxd5 {E08: Closed Catalan: Main Line: 7 Qc2} Nxd5 (12... exd5 13. Rac1 Rd8 14. Qb1 Qb8 15. Qa1 a6 16. Ne5 Qa7 17. e3 cxd4 18. Nxd7 Rxd7 19. Rxd4 Rad8 {½-½ (49) Cramling,P (2463)-Rydstrom,T (2306) Uppsala 2016}) 13. Nxd5 {LiveBook: 3 Games} exd5 14. Rac1 {White is better.} Re8 $146 ({Predecessor:} 14... Nf6 15. dxc5 Qxc5 16. Qf5 Qd6 17. Be5 Qd7 18. Qxd7 Nxd7 19. Rc7 Nxe5 20. Nxe5 Bd6 21. Rxb7 Bxe5 22. Rxd5 Bf6 23. Rdd7 Rfe8 {1-0 (23) Cordova,E (2269)-Martinovic,S (2165) Chalkidiki 2003}) 15. e3 a5 16. dxc5 bxc5 17. Ne1 {[%cal Bf3e1,Be1d3,Bd3f4][%mdl 32]} Nb6 18. Nd3 {[%cal Rd3c5]} c4 (18... d4 $16) 19. Nf4 $18 a4 20. Bd4 ({Weaker is} 20. Nxd5 Bxd5 21. Rxd5 (21. Bxd5 Nxd5 22. Rxd5 cxb3 $15) 21... Nxd5 $11) 20... axb3 21. axb3 Ra6 22. Bxb6 Rxb6 23. Nxd5 Bxd5 24. Bxd5 Rxb3 25. Bxc4 Rb8 26. Qe4 Qb7 27. Qf5 Rf8 28. Rb1 ({Better is} 28. Rd7 $18 Qb2 29. Rc2) 28... Qc8 $16 29. Qe4 Rxb1 30. Rxb1 Bf6 31. Rb7 $40 {[%mdl 128] White attacks with force.} Qd8 32. Ra7 g6 {[#]} 33. Bxf7+ $1 {[%mdl 512]} Kh8 (33... Rxf7 34. Ra8) 34. Kg2 Bg7 35. h4 Qf6 36. Qd5 Bh6 37. h5 gxh5 (37... g5 $142 38. Ra8 Qe7 39. Rxf8+ Qxf8) 38. Qxh5 $18 Bg7 39. Qd5 Bh6 40. Qe6 Qxe6 41. Bxe6 {[%mdl 4096] Endgame KRB-KRB} Bg7 42. Bd5 Re8 43. f4 Rb8 44. Kf3 h6 $2 {[#]} (44... Rd8 45. Bc4 Bc3) 45. e4 Bd4 46. Ra4 Bc5 47. Kg4 Kg7 48. Rc4 Bb6 49. Rb4 Bc7 (49... h5+ $18 50. Kxh5 Bc7) 50. Rxb8 {White mates.} Bxb8 {KB-KB} 51. Kf5 Ba7 52. g4 Be3 53. e5 {[%cal Be4e5,Be5e6,Be6e7][%mdl 32]} Kf8 54. Ke4 Bc1 55. f5 Bg5 56. f6 Bh4 57. Kf5 Bg5 58. e6 Bxf6 59. Kxf6 Kg8 60. e7+ {Precision: White = 90%, Black = 24%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Lugovskoy, Maxim"]
[Black "Gokhale, Chandrashekhar"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2445"]
[BlackElo "2198"]
[Annotator "TA RC"]
[PlyCount "85"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,85,41,35,45,65,77,18,56,60,56,50,68,63,65,50,62,58,63,50,81,66,79,79,93,83,93,95,110,91,151,128,168,145,163,142,156,110,111,58,124,106,79,100,195,186,149,156,168,61,426,439,426,429,395,389,759,751,873,853,839,817,848,839,800,793,798,775]} 1. d4 d6 2. e4 Nf6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Nf3 Bd6 7. Bc4 Be6 8. Bxe6 fxe6 9. Be3 Nbd7 {B07: Pirc Defence: Miscellaneous Systems} 10. O-O-O Ke7 11. Nd2 {LiveBook: 3 Games} Ng4 $146 {White is slightly better.} ({Predecessor:} 11... a6 12. a4 b5 13. f3 Rhb8 14. Nb3 Bb4 15. Na2 bxa4 16. Nxb4 Rxb4 17. Na5 {1-0 (29) Kantans,T (2469)-Biljanic,L (2260) Novi Sad 2016}) 12. Bg5+ Ndf6 13. Rdf1 (13. Bh4 $16) 13... Nh6 14. f3 Nf7 15. Be3 Nd8 16. h4 Nc6 17. Ne2 {[%cal Bc3e2,Be2c1,Bc1d3][%mdl 32]} a6 18. h5 h6 19. g4 Kd7 20. c3 Raf8 21. Kc2 Rf7 22. Nc1 Kc8 23. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Nh7 24. a4 Ng5 ({Black should try} 24... a5) 25. Nd3 $16 Rf6 26. b5 $1 {[%cal Rb5c6]} Nb8 27. c4 {aiming for c5.} b6 28. Bxg5 hxg5 29. c5 (29. Ra1 $16) 29... bxc5 (29... Bxc5 $14 30. Nxe5 (30. Nxc5 bxc5 31. Nc4 axb5 $14) 30... Rd8) 30. Nc4 axb5 31. axb5 Nd7 (31... Rhf8 $16) 32. Ra1 $18 Rhf8 33. Ra6 $1 Rxf3 34. b6 ({And not} 34. Nxd6+ cxd6 35. Rc6+ (35. Rxd6 c4 $11) 35... Kb8 $11) (34. Rha1 $18) 34... Rd8 $2 {[%mdl 8192]} (34... Rf1 $14 35. Rxf1 Rxf1) 35. Ra8+ Nb8 {[#]} 36. Rha1 $1 {[%cal Ra1a7] Strongly threatening R1a7.} cxb6 37. Nxb6+ Kb7 $2 (37... Kc7) 38. Nc4 {R1a7+ would kill now.White is clearly winning.} Bc7 39. R8a7+ Kc8 {[#]} 40. Rxc7+ $1 {[%mdl 512]} Kxc7 41. Ra7+ Kc6 42. Ndxe5+ Kb5 43. Rb7+ {Precision: White = 71%, Black = 24%.} ({Less strong is} 43. Nxf3 Kxc4 44. Rxg7 Nc6 $16) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Sundararajan, Kidambi"]
[Black "Senthil Maran K"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2436"]
[BlackElo "2183"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,1,5,-1,18,15,19,6,16,16,31,12,18,-16,89,87,77,76,114,100,156,139,113,118,248,115,128,128,91,-87,-91,-95,-107,-161,-181,-329,-320,-895,-903]} 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Nbd7 6. Qc2 {A11: English Opening: 1...c6} e5 7. cxd5 Nxd5 8. Bc4 $146 {The position is equal.} ({Predecessor:} 8. Bb2 Bd6 9. a3 O-O 10. Be2 Re8 11. O-O N7f6 12. d3 Bg4 13. Ne4 Bc7 {1-0 (44) Van Wely,L (2654)-Fressinet,L (2717) Dubai 2014}) 8... Nxc3 9. dxc3 Be7 10. Bb2 $40 {[%mdl 128] Black needs to defend precisely.} O-O 11. h4 Nb6 (11... Bd6 $11) 12. Bd3 $16 h6 13. Nxe5 Bxh4 14. c4 Qe7 (14... Bf6 $142) 15. O-O-O $1 {aiming for Bh7+.} Bf6 16. Rh5 Nd7 (16... Rd8 $16 {might work better.}) 17. Ng4 (17. Bh7+ $18 {is the precise move to win.} Kh8 18. Nxd7 Bxb2+ 19. Qxb2 Kxh7 20. Re5) 17... Bxb2+ 18. Qxb2 ({Inferior is} 18. Kxb2 Nf6 $15) 18... Nc5 19. Be2 $2 {[#]} (19. Nxh6+ $1 $16 {is necessary to keep the advantage.} gxh6 20. Bc2 (20. Rxh6 Nxd3+ 21. Rxd3 f6 $11)) 19... Bxg4 $1 $17 20. Bxg4 Rad8 21. Rxd8 (21. Be2 $17) 21... Rxd8 $19 22. Be2 {[#]} (22. Bf5 {was the only chance.}) 22... Ne4 $1 {[%cal Re4f2]} 23. Re5 $2 (23. Bf3 Qb4 24. Rh1) 23... Qb4 {Accuracy: White = 29%, Black = 38%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Laxman, R.R."]
[Black "Thrish Karthik"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2421"]
[BlackElo "2168"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,73,28,18,93,86,106,61,105,71,81,58,52,33,90,50,72,52,116,123,143,98,129,132,102,75,241,223,301,309,308,310,319,285,331,312,583,575,808,795,898,889,850,840,844,570,1016,1012,1142,1095,1371,1270]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. g3 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} (9. Bd2 Be7 10. O-O-O dxc4 11. Bxc4 a6 12. Be2 Nbd7 13. Nxg6 hxg6 14. Kb1 c5 15. d5 exd5 16. Nxd5 Nxd5 17. Qxd5 {0-1 (31) Karjakin,S (2773)-Caruana,F (2822) Saint Louis 2018}) 9... Be7 10. Bd2 a6 11. Rc1 dxc4 12. Bxc4 b5 13. Be2 {[#] LiveBook: 5 Games} ({Wrong is} 13. Nxg6 $2 bxc4 14. Qxc4 hxg6 $19) 13... Nh5 $146 (13... Nbd7 $11 {remains equal.}) ({Predecessor:} 13... c5 14. dxc5 Nc6 15. Nxg6 hxg6 16. Qc2 Nb4 {1-0 (40) Antipov,M (2597)-Motylev,A (2660) Sochi 2018}) 14. Nxg6 $16 hxg6 15. Kf2 O-O 16. a4 Nd7 17. f4 Nhf6 18. Bf3 {[%cal Ra4b5]} Qb6 (18... Rab8 $14) 19. Ne2 c5 20. a5 $36 {[%mdl 2048] White is more active.} Qd6 ({Better is} 20... Qa7 $14) 21. e4 {[%cal Be3e4,Be4e5][%mdl 32] Black must now prevent e5.} Qc6 22. Qe3 c4 23. b4 Rad8 24. g4 g5 $2 {[#]} (24... Qc8 $16 {was worth a try.}) 25. fxg5 $18 Nh7 26. e5 Qc7 27. h4 Nb8 28. Qe4 Qd7 29. Bc3 f5 $2 (29... Rc8 30. Nf4 Nc6) 30. exf6 {White is clearly winning.} gxf6 31. g6 f5 32. gxh7+ Kxh7 33. gxf5 exf5 34. Qb7 Qe6 35. Nf4 {[%cal Be2f4,Bf4e6,Be6f8][%mdl 32]} Qd6 {[#]} 36. Ne6 $1 {[%mdl 512]} Rd7 (36... Qxe6 37. Rce1) 37. Nxf8+ {Accuracy: White = 68%, Black = 28%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Harshavardhan G B"]
[Black "Rozum, Ivan"]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2275"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,111,8,44,0,0,0,14,16,7,0,0,0,0,0,0,-7,0,0,0,0,0,0,7,0,29,0,113,113,113,105,105,107,114,103,111,110,116,101,122,122,122,109,384,376,362,321,329,295,274,261,337,354,357,336,351,343,546,572,585,581,593,570,767,909,873,833,577,759,772,754,722,754,984,764,855,660,648,627,1289,1257,1893,1934,29969,29967,29976,29977,29981,29982,29982,29983,29977,29977,29975,29978,5118,2080]} 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5 6. h4 Nf6 7. h5 Rg8 8. hxg6 hxg6 9. Nf3 d6 {LiveBook: 10 Games. A40: Unusual replies to 1 d4} 10. Bg5 (10. Ng5 Qa5 11. Qc2 Nbd7 12. Bf4 Nb6 13. e3 Bd7 14. f3 O-O-O 15. Kf2 Rh8 16. Bd3 Ba4 17. Qd2 {1-0 (46) Le,Q (2706)-Leon Hoyos,M (2512) Saint Louis 2014}) 10... Nbd7 11. e3 Qa5 {The position is equal.} 12. Qb3 $146 ({Predecessor:} 12. Qc2 Ne4 13. Rc1 Ndf6 14. Bd3 Nxg5 15. Nxg5 Bd7 16. e4 fxe4 17. Nxe4 {1-0 (49) Sampaoli,C (2125)-Altamirano,B (2284) Buenos Aires 2006}) 12... Nb6 13. Bd3 Bd7 14. Bxf6 exf6 15. Ke2 O-O-O 16. Rh6 Ba4 17. Qb2 $36 {[%mdl 2048] White has the initiative.} Be8 18. Qb3 Ba4 19. Qb2 Be8 20. Qb3 Nd7 21. Rh7 b6 {[#]} (21... Nb6 $11) 22. Qb5 $1 $16 {[%cal Rb5c6]} Qxb5 23. cxb5 Kb8 24. c4 Nf8 25. Rh6 Rd7 26. Rah1 Kc7 27. g3 Rdg7 28. Nd2 Re7 29. a4 a5 $2 {[%mdl 8192]} (29... Bd7 $16 30. a5 bxa5) 30. bxa6 $18 Kb8 31. Rh8 Reg7 32. f4 Ka7 33. e4 Bxa4 34. exf5 gxf5 35. Rxg8 ({Less strong is} 35. Bxf5 Rxh8 36. Rxh8 Ng6 $16) 35... Rxg8 36. Kf3 ({But not} 36. Bxf5 Rxg3 37. Ne4 Rg8 $18) 36... Ne6 (36... Bd7 $142 37. Rh6 Kxa6 38. Rxf6 {[%mdl 64] Double Attack} Ka5) 37. dxe6 Bc6+ 38. Ne4 $1 {[%mdl 64] [#] Double Attack} Re8 39. g4 fxe4+ 40. Bxe4 Bxe4+ 41. Kxe4 Rxe6+ {[%mdl 4096] Endgame KR-KR} 42. Kf5 Re8 43. Kxf6 Rf8+ 44. Kg5 d5 45. cxd5 b5 46. Rh7+ Kxa6 47. Rc7 c4 48. f5 {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32]} Rd8 49. f6 Rxd5+ 50. Kg6 Rd8 51. f7 Kb6 52. Re7 c3 53. Re8 Rd6+ 54. Kg7 Rd7 55. Rc8 b4 56. g5 {Accuracy: White = 75%, Black = 46%.} (56. Kg8 $142 Rxf7 57. Kxf7) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Srihari L R"]
[Black "Paichadze, Luka"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2253"]
[BlackElo "2583"]
[Annotator "TA RC"]
[PlyCount "100"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,100,24,22,-24,-16,-22,-10,-8,-8,0,-6,-14,-21,-20,-20,-10,-2,-29,-29,-55,-42,-62,-27,-26,-23,-28,-9,-30,-34,-37,-37,-37,-37,-37,-37,-72,-73,-103,-96,-102,-103,-105,-69,-71,-81,-150,-115,-103,-84,-102,-99,-85,-79,-75,-69,-196,-185,-137,-71,-271,-261,-337,-356,-333,-321,-456,-442,-685,-685,-664,-653,-617,-625,-506,-473,-1956,-1595,-1500,-1136,-29985,-29986,-29986,-29987,-29987,-29988]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a5 5. g3 b6 6. Bg2 Bb7 7. O-O O-O 8. a3 Bxd2 9. Nbxd2 d6 {LiveBook: 8 Games. E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} 10. Nh4 $146 ({Predecessor:} 10. Qc2 c5 {½-½ (10) Swayams,M (2477)-Maiorov,N (2566) Padova 2015}) 10... Bxg2 11. Nxg2 Nbd7 {The position is equal.} 12. e4 e5 13. d5 Nc5 14. Qc2 a4 15. f3 $1 Qd7 16. Ne3 Rfb8 17. Rfb1 h5 18. Kh1 g6 19. Rf1 Qe7 20. Rae1 b5 21. cxb5 Rxb5 (21... h4 $5) 22. Nd1 Rab8 23. Rf2 {[#]} h4 $1 {[%mdl 512]} 24. g4 (24. gxh4 Nh5) 24... Nh7 {[%cal Bf6h7,Bh7g5,Bg5h3,Bh3f4][%mdl 32]} 25. Nc4 Ng5 26. Nc3 Nh3 27. Rfe2 Rb3 $36 {[%mdl 2048] Black has strong initiative.} 28. Rf1 Nf4 29. Re3 Qd7 30. Rb1 Ra8 31. Na2 (31. Nd2 $142) 31... Rxe3 32. Nxe3 Nb3 33. Nb4 Nd4 34. Qf2 h3 35. Rc1 Rb8 {White must now prevent ...Rxb4!} 36. Rc3 {[#]} ({Better is} 36. Qf1 $15) 36... Rb5 $1 $19 37. Nec2 {[#]} Nb3 ({Black should try} 37... Rc5 $1 {[%cal Rc5c3] ...Rxc3 is the strong threat.} 38. Nxd4 exd4 39. Rxc5 dxc5) 38. Qa7 $2 (38. Nc6 $17) 38... Rc5 39. Rxc5 Nxc5 40. Nc6 {[#]} Nxe4 $1 {[%mdl 512]} 41. Qxa4 (41. Qa8+ $142 Kg7 42. Ne3) (41. fxe4 Qxg4) 41... Ng5 42. Qb3 (42. Ne3 $142 Nxf3 43. Qd1) 42... e4 43. Qc4 {and the idea Ne3 leaves White hopeful.} Nxf3 44. Ne3 Nd3 {[%cal Rd3f2]} 45. Qc2 Qe8 46. Nb4 (46. Qe2 $142 Nfe5 47. Nxe5 Qxe5 48. a4) 46... Nxb4 47. axb4 Qa8 48. Qe2 Qa1+ {Black mates.} 49. Qf1 Qxb2 {[%csl Gf3][%cal Rb2h2]} 50. Qxh3 Qf2 {Precision: White = 33%, Black = 79%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Ziatdinov, Raset"]
[Black "Erigaisi Arjun"]
[Result "1-0"]
[ECO "B95"]
[WhiteElo "2248"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,121,0,-7,0,-14,-38,-49,-54,-69,-79,34,22,34,-26,3,-63,-58,-90,-68,-79,-64,-75,-67,-52,-98,-81,-78,-136,-134,-129,-132,-129,-133,-212,-204,-200,-212,-361,-331,-348,-354,-383,-394,-329,-296,-283,-317,-314,-278,-431,-309,-300,-311,-333,-341,-350,-348,-337,-337,-330,-337,-333,-318,-335,-313,-487,-144,-170,-39,-99,-37,-36,-16,-35,-64,-44,-64,-112,204,204,141,200,158,51,391,391,377,377,377,369,339,352,438,453,452,444,426,415,367,318,478,480,29940,2104]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qe2 Be7 8. h4 {B95: Sicilian Najdorf: 6 Bg5 e6, unusual White 7th moves} (8. f4 h6 9. Bxf6 Bxf6 10. O-O-O Qc7 11. Qd2 Bd7 12. Kb1 b5 13. g4 b4 14. Nce2 Nc6 15. Nf3 Be7 16. h4 a5 {½-½ (48) Jobava,B (2669)-Yilmaz,M (2622) Izmir 2016}) 8... b5 9. a3 Bb7 10. O-O-O Nbd7 {LiveBook: 4 Games} 11. Rh3 Rc8 12. Qe1 $146 ({Predecessor:} 12. Kb1 O-O 13. f4 h6 14. g4 Rxc3 15. Rxc3 Nxe4 {1-0 (25) Sobolevsky,L (2377)-Kurenkov,N (2447) Gotha 2006}) 12... h6 13. Bd2 Qb6 14. Nb3 b4 (14... Qc7 $17 15. Bd3 Ne5) 15. axb4 $14 Qxb4 {[%cal Rf6e4]} 16. Rd3 (16. f3 $1 $14) 16... Qb6 (16... Bxe4 $6 17. Rd4 $16) 17. Be3 (17. Kb1 $11) 17... Qc7 $36 {[%mdl 2048] Black is pushing.} 18. Rd4 Bxe4 19. Bxa6 Bb7 20. Rc4 Qd8 21. Ra4 Bxa6 22. Rxa6 O-O 23. Na5 (23. f3 $142) 23... Nb8 $17 24. Ra7 d5 $1 25. Nb5 {Threatening Nb7.} Qe8 26. Nc7 (26. Qe2 $17) 26... Qa4 $19 27. Nb3 Qg4 28. Rd4 (28. f3 $142 Qg6 29. Qc3) 28... Qg6 ({Not} 28... Qxg2 29. Nxe6 fxe6 30. Rxe7 $17) 29. h5 Nxh5 30. Qd1 Nc6 31. Rg4 Qh7 32. Rb7 Nf6 33. Ra4 Qg6 34. Ra6 (34. f3 $142) 34... Nd8 35. Rba7 Qxg2 36. Kb1 h5 37. Nb5 Bb4 38. c3 Nc6 39. cxb4 Nxa7 (39... Nxb4 40. Ra4 $17) 40. Nxa7 Ra8 41. b5 h4 42. Ra4 (42. Nd2 {was called for.} h3 43. Nf3) 42... Ne4 $2 (42... h3 $19 {has better winning chances.} 43. Bc5 Rfb8) 43. Nc6 $17 {Intending Ne7+ and mate.} Rae8 ({Weaker is} 43... Rxa4 44. Ne7+ Kh8 45. Qh5#) (43... Rfc8 $19 44. Rxa8 Rxa8) 44. Nd2 (44. Nc5 $15) 44... h3 ({Much weaker is} 44... Nxf2 $6 45. Bxf2 Qxf2 46. Nf3 $11) (44... f5 $17 {White must now prevent ...f4.} 45. Nxe4 fxe4) 45. Nxe4 $15 dxe4 46. Rc4 {Strongly threatening b6.} f5 {[%cal Bf7f5,Bf5f4][%mdl 32]} 47. Rc1 f4 48. Bc5 {[#]} Rf5 $2 {[%mdl 8192]} (48... Rf7 $1 $17 {and life is bright. And now ...e3! would win.} 49. Ne5 Rb7) 49. Qd7 $18 Qg6 {Hoping for ...Rxc5!} 50. Ne7+ Rxe7 51. Bxe7 (51. Qxe7 $16 {aiming for b6.} e3 52. Ka2) 51... h2 $2 {[%mdl 8192]} ({Black should try} 51... Rd5 $14 52. Qc8+ Kh7) 52. b6 e3 {[#] ( -> ...Ra5+)} 53. Ka2 $1 Rd5 54. Qc8+ Kh7 55. b7 Ra5+ 56. Ba3 Rb5 57. b8=Q Rxb8 58. Qxb8 Qe4 59. fxe3 Qd5+ (59... e5 $142 60. exf4 exf4) 60. Qb3 {Threatens to win with Qxd5.} Qd2 (60... h1=Q $18 61. Rxh1+ Qxh1 62. Qd3+ Kg8 63. exf4 Qh2) 61. Rh1 {Precision: White = 53%, Black = 54%.} (61. Rc2 $142 Qd5 62. Rxh2+ Kg6 63. Qxd5 exd5 64. exf4 Kf5 65. b4 d4 66. b5) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Suvrajit, Saha"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "2221"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,80,-4,-4,-7,-7,-4,-2,0,0,0,0,6,0,32,25,29,0,37,40,35,70,53,17,20,0,12,0,6,-4,-8,-22,-16,-77,-38,-37,-34,-37,-34,-50,-42,-41,-47,-63,-45,-87,-52,-52,-66,-93,-44,-53,-50,-40,-35,-35,-35,-40,-31,-52,-31,-577,-572,-648,-648,-639,-627,-564,-547]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 d5 5. c3 Nc6 6. Nbd2 Nh5 7. Be5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (7. Bg5 Qc7 8. Ne5 g6 9. Nxc6 bxc6 10. Be2 Rb8 11. Rb1 h6 12. Bh4 g5 13. Bxh5 gxh4 14. O-O Bd6 {1-0 (53) Harikrishna,P (2732)-Navara,D (2727) Prague 2018}) 7... f6 8. Bg3 $1 {LiveBook: 5 Games} g6 9. Bd3 $146 {The position is equal.} ({Predecessor:} 9. Bh4 Ng7 10. Bd3 g5 11. Bg3 cxd4 12. exd4 Bd6 13. Qc2 e5 14. dxe5 fxe5 15. Bxh7 {1-0 (48) Pesniak,N (2018)-Baturin,V Tomsk 2013}) 9... Qb6 {next ...c4 is good for Black.} 10. Rb1 Bd7 11. O-O cxd4 12. exd4 Nxg3 13. hxg3 Bd6 14. Re1 O-O 15. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kg7 16. c4 dxc4 ({Avoid the trap} 16... Bxb4 $2 {[#]} 17. a3 $1 $18 {[%mdl 512]}) 17. Nxc4 {[%mdl 64] [#] Double Attack} Qc7 18. b5 Nb4 19. Bf1 Nd5 20. Qb3 Be7 21. b6 Qd8 22. bxa7 $1 Rxa7 23. Nb6 (23. Ne3 $11) 23... Nxb6 (23... Bb4 {keeps more tension.} 24. Nxd5 Bxe1 25. Nf4 Ba5 26. Bc4 Bc7) 24. Qxb6 Qxb6 25. Rxb6 Bd8 26. Rb2 Ba5 27. Reb1 b6 28. Rc1 h5 29. Bd3 Rc8 30. Rxc8 Bxc8 31. Kf1 Rd7 32. Rc2 Bb7 33. Bb5 Re7 34. a3 Be4 35. Rc8 g5 {[%cal Bg6g5,Bg5g4][%mdl 32]} 36. Ke2 e5 37. dxe5 $2 {[%mdl 8192]} (37. Re8 $15 Rxe8 38. Bxe8) 37... Bxf3+ $1 $19 {Black is clearly winning.} 38. Kxf3 g4+ 39. Kf4 Rxe5 {[%cal Ra5d2]} 40. Rc7+ Kh6 {Accuracy: White = 49%, Black = 65%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Saurabh Anand"]
[Black "Megaranto, Susanto"]
[Result "1/2-1/2"]
[ECO "B05"]
[WhiteElo "2210"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,67,39,60,80,81,71,86,83,76,86,81,78,86,27,29,29,50,39,52,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. O-O Be7 7. c4 Nb6 8. Nc3 O-O 9. Be3 N8d7 10. b3 {LiveBook: 13 Games. B05: Alekhine's Defence: 4 Nf3 Bg4} Bxf3 $146 ({Predecessor:} 10... dxe5 11. Nxe5 Bf5 12. Nxd7 Nxd7 13. Bd3 Bxd3 14. Qxd3 c6 15. Rfd1 Rc8 16. Bf4 Qa5 17. Ne4 Qf5 {½-½ (53) Gao,R (2484)-Bu,X (2699) Sharjah 2014}) 11. Bxf3 dxe5 12. Bxb7 {White is better.} Rb8 {[#] Threatens to win with ...exd4.} 13. Bc6 exd4 14. Bxd4 Bf6 15. Bxd7 {Hoping for Bxf6.} Nxd7 16. Bxf6 (16. Ne4 $16) 16... Nxf6 $11 17. Qf3 Qd6 18. Rfd1 Qc5 19. Ne4 Nxe4 {The position is equal.} 20. Qxe4 Rfd8 21. Qe2 a5 22. Rxd8+ Rxd8 {[%mdl 4096] Endgame KQR-KQR} 23. Rd1 Rd4 24. Rxd4 Qxd4 {KQ-KQ} 25. g3 g6 26. Kg2 h5 27. Qf3 Qc5 28. Qf6 Qc6+ 29. Kg1 Qd6 30. Qf3 Qc5 31. Qf6 Qd6 32. Qf3 {Precision: White = 63%, Black = 71%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Samant Aditya S"]
[Black "Vignesh N R"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2205"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,68,43,24,30,0,56,44,54,20,34,25,49,44,62,23,93,31,2,12,23,-10,0,-60,-27,-95,-81,-63,-84,-91,-93,-73,-74,-110,-104,-96,-95,-105,-107,-104,-105,-100,-91,-183,-136,-29980,-29981,-29981,-29981]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e6 7. g4 Nfd7 {B81: Sicilian Scheveningen: Keres Attack} (7... h6 8. Bg2 g5 9. Be3 Nbd7 10. Qe2 Ne5 11. O-O-O Nfd7 12. h4 Rg8 13. hxg5 hxg5 14. Kb1 b5 15. f4 gxf4 16. Bxf4 Bb7 {½-½ (56) Karjakin,S (2773)-Mamedyarov,S (2801) Saint Louis 2018}) 8. Be3 b5 9. a3 Bb7 10. g5 Be7 11. h4 O-O 12. Qd2 {LiveBook: 5 Games} Nc6 13. O-O-O Nc5 (13... Nxd4 $11 14. Bxd4 Rc8) 14. f3 $14 Rb8 15. Kb1 Nxd4 16. Bxd4 Bc6 $146 17. Qh2 {Hoping for Bxc5.} Nd7 18. g6 e5 ({Much worse is} 18... hxg6 $6 19. h5 $16) (18... fxg6 $11 {keeps the balance.} 19. h5 g5) 19. gxf7+ (19. Ba7 $16) 19... Rxf7 20. Be3 Rxf3 21. Qe2 Rf8 $36 {[%mdl 2048] Black has the initiative.} 22. Nd5 (22. Bh3 $11) 22... Nf6 (22... Bxd5 $5 23. exd5 Kh8 $11) 23. Bg2 (23. Rg1 $11) 23... Nxd5 $17 24. exd5 Bd7 25. Be4 {Black must now prevent Qh5.} Bf5 26. Bxf5 Rxf5 27. Qg4 Qc8 28. h5 Rf7 29. Qg2 b4 30. axb4 Rxb4 31. Bc1 Bf6 32. Rdf1 {[#]} (32. Rh3 $17) 32... e4 $1 $19 {aiming for ...Bxb2!} 33. Rhg1 $2 {[%mdl 8192] [#]} (33. Rh3 $17) 33... Bxb2 $1 {[%mdl 512]} 34. Rxf7 (34. Bxb2 Qc3) 34... Bf6+ {Accuracy: White = 32%, Black = 70%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Michelle Catherina, P."]
[Black "Akash G"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2175"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,74,35,10,42,9,15,14,37,-45,-48,-39,-28,-34,-45,-41,-34,-38,-44,-47,-39,-33,-30,-31,-24,-40,-36,-32,-30,-32,-27,-43,-43,-93,-71,-109,-112,-137,-133,-140,-140,-133,-133,-219,-213,-288,-270,-463,-100,-858,-858,-826,-660,-5189,-1256,-1254,-1251]} 1. e4 c5 2. Nf3 d6 ({Predecessor:} 2... Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 {½-½ (47) Bilguun,S (2497)-Docena,J (2426) Makati 2018}) 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Nxd4 $146 (9... Be7 10. h4 Nxd4 {0-1 (43) Smirin,I (2609)-Dubov,D (2703) St Petersburg 2018}) 10. Qxd4 Be7 11. h4 Qc7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (11... Bc6 12. Kb1 O-O 13. Qd2 b5 14. Bd3 b4 15. Ne2 a5 16. Be3 Qb8 17. g4 a4 18. Nd4 Bd7 19. h5 b3 20. g5 bxa2+ 21. Ka1 Ne8 22. g6 {0-1 (43) Smirin,I (2609)-Dubov,D (2703) St Petersburg 2018}) 12. Qd2 b5 13. Ne2 Rc8 {The position is equal.} ({Predecessor:} 13... a5 14. g4 b4 15. Kb1 h5 16. gxh5 Nxh5 17. Rg1 Nf6 18. Ng3 a4 19. f4 {½-½ (47) Bilguun,S (2497)-Docena,J (2426) Makati 2018}) 14. Nd4 (14. g4 $14) 14... h6 $15 15. Be3 e5 16. Nf5 Bxf5 $1 17. exf5 d5 18. Kb1 d4 19. Bf2 Nd5 20. Bd3 Bb4 21. Qe2 O-O 22. Be1 Bxe1 23. Rdxe1 Rfe8 $36 {[%mdl 2048] Black has some pressure.} 24. g4 Qd6 25. Qd2 b4 26. Be4 Nf4 27. Ka1 a5 {[%cal Ba6a5,Ba5a4,Ba4a3,Ba3b2][%mdl 32]} 28. Rc1 Qc5 29. Rcd1 a4 30. Rhe1 Rc7 31. Rf1 (31. g5 $17) 31... Rec8 32. Rfe1 a3 33. Rb1 $2 {[#]} (33. bxa3 {was necessary.} bxa3 34. Rb1) 33... Qd6 $2 (33... b3 $1 $19 {[%mdl 512]} 34. cxb3 {[#]} (34. axb3 d3) 34... d3 $1 {[%mdl 512]} 35. Bxd3 Qd4) 34. g5 $2 {[%mdl 8192] [#]} (34. bxa3 $17 bxa3 35. Qb4 Qxb4 36. Rxb4) 34... d3 $1 $19 {[%mdl 512] Black is clearly winning.} 35. Bxd3 {[#]} (35. cxd3 Rc2) 35... b3 $1 {[%mdl 512]} 36. Rec1 (36. axb3 Ra7) 36... bxa2 (36... bxc2 $142 37. Rxc2 Nxd3 38. Rxc7 Rxc7) 37. Kxa2 axb2 {Accuracy: White = 26%, Black = 81%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Masango, Spencer"]
[Black "Shyaamnikhil P"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2168"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,86,18,36,-52,-17,-25,-25,-17,-21,-22,-22,-19,9,-35,-11,-20,12,-43,-12,-119,-66,-95,-56,-155,-147,-186,0,0,0,-16,0,0,49,-36,-16,-46,-47,-102,-93,-226,-215,-312,-316,-277,-289,-263,-243,-252,-203,-324,-318,-902,-891,-29967,-29968,-29961,-29964,-5756,-5968,-2940,-2083]} 1. Nf3 b6 2. g3 Bb7 3. Bg2 g6 4. O-O Bg7 5. c4 c5 6. Nc3 Nf6 7. d4 cxd4 8. Qxd4 d6 9. Rd1 Nbd7 10. Be3 O-O 11. Qh4 Rc8 12. Rac1 Re8 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 13. b3 Qc7 14. Nd5 Qb8 {[#] LiveBook: 3 Games. The position is equal.} 15. Bd4 $146 (15. Nd4 $14) ({Predecessor:} 15. Bh3 e6 16. Nc3 a6 17. Bh6 b5 {½-½ (64) Lafuente,P (2565)-Bitoon,R (2447) Khanty-Mansiysk 2010}) 15... e5 16. Bb2 Nxd5 17. cxd5 Rxc1 18. Bxc1 Qc7 19. Qa4 a6 20. Ba3 b5 21. Qb4 $1 Nc5 (21... e4 $5 {[%cal Re4f3]} 22. Nd4 Nb6 23. Qxd6 Qxd6 24. Bxd6 Nxd5 $15) 22. Qh4 (22. e4 $11) 22... h6 (22... e4 $5 {[%cal Re4f3]} 23. Nd4 Qa5 $15) 23. Rc1 {[#]} (23. Nd2 $11 {remains equal.}) 23... Qa5 ({Of course not} 23... Bxd5 $6 24. b4 $11) (23... e4 $1 $17 {Strongly threatening ...Qa5.} 24. b4 exf3 25. Bxf3 g5) 24. Bxc5 dxc5 25. e4 (25. d6 $1 $15) 25... Qxa2 $17 26. Rxc5 {Qg4 would now be nice for White.} Qa5 $2 ({Black should try} 26... Qb1+ $19 27. Bf1 Bc8) 27. Bh3 $1 $11 Qb6 28. Rc1 Qd6 29. Ne1 h5 {[%cal Bh6h5,Bh5h4][%mdl 32] aiming for ...Bf6.} 30. g4 (30. Qg5 $1 $14) 30... Bf6 31. Qg3 {Black must now prevent gxh5.} Bg5 32. Rc2 (32. Rb1 $15) 32... Qb4 $1 $36 {[%csl LRe1,LRe4][%mdl 2048] Black is in control.} 33. Re2 {[#]} (33. Kf1 $17 Qxe4 34. gxh5) 33... h4 $1 $19 {[%cal Rh4g3]} 34. Nc2 (34. Qf3 $142) 34... Qxe4 $1 ({Not} 34... hxg3 35. Nxb4 gxf2+ 36. Kxf2 $15) 35. Rxe4 hxg3 36. Nb4 gxh2+ 37. Kxh2 Rc8 38. Kg2 (38. Nc6 $142) 38... a5 39. Nc6 $2 (39. Rxe5 Bf6 40. Re2) 39... Rxc6 40. dxc6 Bxc6 41. Kf3 a4 42. bxa4 bxa4 43. Bf1 f5 {[%mdl 64] Pin. Accuracy: White = 24%, Black = 53%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.19"]
[Round "3"]
[White "Srihari L"]
[Black "Harikrishnan.A.Ra"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2167"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,100,14,7,17,21,26,18,35,20,27,26,39,48,64,64,120,127,123,116,93,43,77,0,0,-45,0,-51,-60,-56,0,-22,-17,-31,-26,-49,-38,-31,-37,-29,-17,-49,-33,-30,-22,-39,0,0,10,17,17,12,14,13,78,0,0,0,0,0,-2,-22,0,0,0,0,0,-59,-59,-59,-52,-55,-64,-776,-762,-29989,-29990,-29990,-29991]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O 6. O-O h6 7. Bb3 d6 8. Nbd2 Bb6 9. h3 Ne7 10. Nc4 Ng6 11. Nxb6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (11. a4 c6 12. Nxb6 Qxb6 13. Be3 Qc7 14. a5 d5 15. exd5 Nxd5 16. Bc5 Re8 17. Re1 Bf5 18. Bc2 b6 19. axb6 axb6 20. Rxa8 Rxa8 {1-0 (45) Antipov,M (2569)-Alekseev,E (2642) Berlin 2015}) 11... axb6 12. Re1 Re8 13. Bc2 {LiveBook: 7 Games. The position is equal.} Nh7 14. d4 Qf6 15. Nh2 $146 ({Predecessor:} 15. Be3 Ng5 16. Nxg5 hxg5 17. Qh5 Nf4 18. Bxf4 gxf4 19. Bb3 {0-1 (64) Bezgodova,M (2172)-Qiu,M (2091) Kocaeli 2013}) 15... Ng5 16. dxe5 dxe5 17. Ng4 Qe7 18. Ne3 $1 Nf4 19. h4 Rd8 (19... Nh7 $14) 20. Nd5 $16 Nxd5 21. exd5 Nh7 {[%cal Bg5h7,Bh7f6,Bf6g4,Bg4e5,Be5f3][%mdl 32]} 22. Qe2 Re8 23. g3 (23. Bf4 $16) 23... Nf6 $11 24. c4 (24. Bf4 $5) 24... Bg4 25. Qe3 (25. f3 $11 Bh5 26. g4) 25... Qd7 $15 26. b3 Bf5 ({Black should try} 26... e4 $15 27. Bb2 Bf3) 27. Bxf5 Qxf5 28. Bb2 Ng4 29. Qe2 e4 30. Bd4 c5 31. dxc6 bxc6 32. Bxb6 Ne5 33. Kg2 Nf3 34. Rh1 c5 {aiming for ...Nd4.} 35. Rad1 Nd4 36. Rxd4 $1 cxd4 37. Bxd4 Red8 38. Be3 Qa5 {[#]} (38... Rdb8 $11 {keeps the balance.}) 39. Qg4 (39. Rb1 $1 $16) 39... h5 $36 {[%mdl 2048] Black has the initiative.} 40. Qxe4 Qxa2 41. b4 Re8 42. Qf4 Ra6 43. Rd1 Rf6 44. Qd4 Qe2 {...Rxe3! is the strong threat.} 45. Rd2 (45. Bf4 $11) 45... Qf3+ $15 {[%mdl 1024] Black has compensation.} 46. Kh2 Re4 $1 {[%cal Re4d4]} 47. Qd8+ Kh7 48. b5 $2 {[%mdl 8192]} (48. Qd3 $15) 48... Rg6 $19 49. Rd3 {[#]} Rxe3 $1 {[%mdl 512]} 50. Rxe3 Qxf2+ {Precision: White = 52%, Black = 56%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Predke, Alexandr"]
[Black "Navin, Kanna T.u."]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2620"]
[BlackElo "2286"]
[Annotator "TA RC"]
[PlyCount "60"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,60,34,35,41,33,33,31,25,29,33,33,31,12,10,41,32,44,42,37,32,28,61,31,43,26,38,18,20,-15,-14,-16,-16,-14,-15,-49,10,0,0,-40,39]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 {C78: Ruy Lopez: Archangelsk and Möller Defences} 8. Nxe5 (8. c3 d6 9. d4 Bb6 10. a5 Ba7 11. h3 O-O 12. Re1 Bb7 13. Be3 exd4 14. cxd4 Ne7 15. Nbd2 Bxe4 16. Nxe4 Nxe4 17. Qc2 d5 {0-1 (33) Yu,Y (2759)-Svidler,P (2753) Shenzhen 2018}) 8... Nxe5 9. d4 Bxd4 10. Qxd4 d6 11. Bf4 O-O 12. f3 {LiveBook: 10 Games} c5 13. Qd2 c4 14. Ba2 $1 Be6 15. Nc3 b4 $146 16. Ne2 b3 17. Bb1 bxc2 18. Bxc2 Rxb2 19. Rfb1 Rxb1+ 20. Rxb1 Qc7 21. Rd1 {[%mdl 1024] White has compensation.} Ne8 22. Nc3 h6 23. Bg3 Nc6 24. Rb1 ({Don't play} 24. Bxd6 Nxd6 25. Qxd6 Qb6+ 26. Kf1 Rd8 $15) 24... Nb4 25. Bf2 Nxc2 26. Qxc2 Nf6 27. Qd2 Rb8 28. Rd1 Rd8 (28... Rb3 $15) 29. Rb1 {Black should prevent Bb6.} Rb8 30. Rd1 Rd8 {Accuracy: White = 48%, Black = 52%.} ({Black should play} 30... Ne8 $15) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Predke, Alexandr"]
[Black "Navin, Kanna T.u."]
[Result "*"]
[ECO "C78"]
[WhiteElo "2620"]
[BlackElo "2286"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,27,35,31,29,37,35,32]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. a4 Rb8 {C78: Ruy Lopez: Archangelsk and Möller Defences} 8. Nxe5 Nxe5 9. d4 Bxd4 10. Qxd4 d6 11. Bf4 O-O 12. f3 {LiveBook: 10 Games} c5 13. Qd2 c4 14. Ba2 $1 {[#]} {Predecessor:} Be6 $146 15. axb5 axb5 {1-0 (61) Wang,H (2711)-Sunilduth Lyna,N (2574) Abu Dhabi 2018} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Paichadze, Luka"]
[Black "Laxman, R.R."]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2583"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,118,0,0,-15,29,17,45,45,49,44,45,38,33,37,32,31,34,23,33,25,47,45,56,39,64,43,43,42,52,29,100,49,55,25,77,10,5,0,83,79,85,92,160,151,204,207,206,197,200,134,210,195,197,136,279,284,300,284,290,283,263,200,223,218,226,231,210,152,183,153,155,167,632,543,602,490,453,402,932,885,897,841,2839,5210,6231,6224,6203,5705,5485,5469,5173,4185,2771,2064,29964,29967,5485]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b4 Bb6 6. d3 d6 7. a4 a5 8. b5 Ne7 9. O-O Ng6 10. Nbd2 O-O 11. Bb3 c6 12. Nc4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bc7 {LiveBook: 21 Games} 13. Ne3 (13. Re1 Be6 14. Ba3 Re8 15. Ng5 Bxc4 16. Bxc4 d5 17. Ba2 Bd6 18. Bxd6 Qxd6 19. Rb1 h6 {0-1 (42) Ganguly,S (2615)-Karjakin,S (2753) Kolkata 2018}) 13... Be6 14. Ba3 $146 {White has an edge.} ({Predecessor:} 14. Re1 Qd7 15. c4 Rad8 16. Ng5 d5 17. Qf3 h6 18. Nxe6 fxe6 19. Qg3 Nf4 {0-1 (42) Al Jaabari,O-Daas Hossem,E Tunis 2001}) 14... Re8 15. Bxe6 fxe6 16. bxc6 bxc6 17. Rb1 d5 18. Qc2 Bd6 19. Bxd6 Qxd6 20. c4 Qc5 21. Rfc1 dxe4 22. dxe4 Red8 23. Rd1 Rab8 24. Rxd8+ Rxd8 25. g3 h6 26. Rb7 Rd7 (26... Nf8 $11 {remains equal.}) 27. Rxd7 ({White should try} 27. Rb8+ $16 Kh7 28. Kg2) 27... Nxd7 $14 28. h4 Ngf8 (28... Nb6 $11) 29. Qd1 (29. Ng4 $16) 29... Nf6 $11 30. Qd3 N6d7 (30... N8d7 $11 {keeps the balance.}) 31. Ng4 $16 h5 32. Ne3 Qb4 (32... Kf7 $142) 33. Qd1 g6 (33... Qb6 $16 {was called for.} 34. Qd6 Qb1+ 35. Kh2 Nf6) 34. Ng5 $1 $18 Qe7 35. Nf1 Nc5 36. Nh2 Qd7 {[#]} (36... Nfd7 $16 37. Nhf3 Nb7) 37. Qe1 $1 Qc7 {[#]} 38. Qa1 ({Better is} 38. Qc3 $1 $18) 38... Nh7 (38... Nfd7 $16) 39. Nhf3 Nxg5 40. Nxg5 Qd6 41. Kg2 Nd3 42. Qc3 Qd4 43. Qxd4 exd4 44. Nxe6 {[%mdl 4096] Endgame KN-KN} c5 45. Kf1 Kf7 46. Nd8+ Kf6 47. Nb7 Ke5 $2 (47... Nb2) 48. Ke2 Nb2 49. Nxc5 Nxc4 50. f4+ Kf6 (50... Kd6 $142 51. Nb3 Nb2 52. Nxa5 Nxa4) 51. Kd3 Ne3 52. Kxd4 Nf1 53. Nb3 Nxg3 54. Ke3 Nf1+ 55. Ke2 Ng3+ 56. Kf3 Nf1 57. Nxa5 Nd2+ 58. Ke3 Nf1+ 59. Ke2 Nh2 {Accuracy: White = 65%, Black = 27%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Stupak, Kirill"]
[Black "Muthaiah AL"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2542"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,98,18,17,10,25,5,8,6,53,63,65,54,62,65,60,46,61,44,54,0,0,0,0,0,0,0,0,0,0,0,1,0,0,-7,13,0,0,0,0,0,0,0,17,17,17,0,12,19,19,19,19,20,14,16,15,26,14,14,16,22,14,8,8,8,101,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 g6 5. Bd3 Bg7 6. h3 {D70: Grünfeld: Unusual White 3rd moves (met by ...d5)} O-O 7. O-O Bf5 8. Nc3 Bxd3 9. Qxd3 Nbd7 {LiveBook: 3 Games} 10. a4 $146 ({Predecessor:} 10. cxd5 cxd5 11. Bd2 Nb6 12. Rfc1 e6 {½-½ (31) Grachev,B (2682)-Erdos,V (2608) Sibenik 2011}) 10... Qa5 11. cxd5 cxd5 12. b4 Qxb4 13. Ba3 Qa5 14. Bxe7 Rfc8 15. Rfc1 Bf8 16. Bxf8 Kxf8 17. Ne5 a6 18. e4 (18. g4 $14) 18... dxe4 $11 19. Nxd7+ Nxd7 20. Nxe4 Qd5 21. Nc3 Qd6 22. Ne4 Qd5 23. Nc3 Qd6 24. Rab1 Kg7 25. a5 ({Much worse is} 25. Rxb7 Nc5 $17) 25... Ne5 26. Qe4 Nc6 27. d5 Nxa5 28. Qd4+ Qf6 29. Qb4 b6 30. Ne4 Qe5 31. f4 (31. Qxb6 $2 Nc4 $19) 31... Rxc1+ ({But not} 31... Qxd5 $2 32. Qb2+ f6 33. Nxf6 $18) 32. Rxc1 Qxf4 33. Qb2+ Kh6 $1 34. Nf6 $1 {[%cal Rf6g4] Hoping for Ng4+.} Nc4 35. Qc3 $36 {[%mdl 2048] aiming for Ng4+. White has good play.} Qe3+ 36. Qxe3+ Nxe3 {[%mdl 4096] Endgame KRN-KRN} 37. d6 $1 {[%cal Bd5d6,Bd6d7][%mdl 32] Threatens to win with d7.} Nf5 38. d7 Ne7 $1 {[#]} 39. Nd5 $1 {[%mdl 512]} Rd8 ({Avoid the trap} 39... Nxd5 $2 40. Rc8 $18) 40. Nxb6 a5 {[#]} (40... Kg5 $11) 41. Rc5 (41. Kf2 $1 $16) 41... Kg7 {The position is equal.} 42. Rxa5 Kf8 43. g4 Nc6 44. Rd5 Nb8 45. Rd6 Ke7 {[%mdl 64] Double Attack} 46. Nc8+ Kf8 47. Nb6 Ke7 {[%mdl 64] Double Attack} 48. Nc8+ Kf8 49. Nb6 Ke7 {[%mdl 64] Double Attack. Accuracy: White = 74%, Black = 71%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Megaranto, Susanto"]
[Black "Gajwa Ankit"]
[Result "*"]
[ECO "B51"]
[WhiteElo "2530"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "28"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,21,40,25]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. d4 cxd4 6. Qxd4 e5 7. Qd3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} h6 8. c4 Be7 9. Nc3 O-O 10. Bxd7 Bxd7 11. Be3 {LiveBook: 8 Games} {Predecessor:} a6 $146 12. a4 Be6 13. a5 Rc8 14. b3 Qe8 {1-0 (54) Alekseev,E (2714)-Atabayev,M (2460) Kazan 2013} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Megaranto, Susanto"]
[Black "Gajwa Ankit"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2530"]
[BlackElo "2263"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,71,39,41,42,52,47,47,49,43,30,93,79,91,87,83,84,72,31,34,27,39,31,45,16,38,16,25,26,21,10,38,32,34,18,21,26,37,0,15,15,10,9,7,0,39,32,33,45,189,184,940,897]} 1. e4 {Har Zvi,R} c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O Ngf6 5. d4 cxd4 6. Qxd4 e5 7. Qd3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} h6 8. c4 Be7 9. Nc3 O-O 10. Bxd7 Bxd7 11. Be3 (11. a4 Bc6 12. Rd1 Qe8 13. b3 Rd8 14. Nd2 Nh5 {½-½ (25) Grischuk,A (2764)-Nepomniachtchi,I (2707) Moscow 2012}) 11... a6 {LiveBook: 9 Games} 12. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rc8 13. a5 Be6 14. b3 Nd7 $146 15. Nd5 f5 (15... Nc5 $11 {keeps the balance.} 16. Bxc5 Rxc5) 16. exf5 $16 Bxf5 17. Nxe7+ Qxe7 18. Qd5+ Qe6 {With the idea ...Qxd5.} 19. Qxe6+ (19. Qxb7 {keeps more tension.} Nc5 20. Bxc5 dxc5 21. Rfe1 e4 22. Nd2) 19... Bxe6 20. Rfd1 Rc6 21. Ne1 Bf5 22. Ra2 Kf7 23. f4 Ke6 24. fxe5 dxe5 25. h3 (25. Nf3 {is interesting.} Rd6 26. Rxd6+ Kxd6 27. Bd2 Ke6 28. Bb4) 25... Rd6 26. Rxd6+ Kxd6 27. Bc1 {[#] Black must now prevent Ba3+.} Ke6 28. Ba3 Rc8 29. Kf2 (29. Re2 {with more complications.} Nf6 30. Nf3 Be4 31. Bb2 Rc5 32. Nd2) 29... Nc5 30. Bxc5 Rxc5 $11 {[%mdl 4096] Endgame KRB-KRN} 31. Ke3 Rc7 32. Ra4 Kd6 33. Rb4 Rd7 34. Nf3 e4 ({Black should play} 34... Bc2 $14) 35. Rb6+ $18 Kc5 $2 {[#]} (35... Kc7) 36. Ne5 {Precision: White = 67%, Black = 36%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Vignesh N R"]
[Black "Harshavardhan G B"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2461"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,7,15,11,0,12,0,20,-24,-12,-23,-16,-17,-15,-36,-45,-49,-25,-64,-56,-62,75,77,73,73,71,79,71,27,43,10,22,21,21,3,48,13,14,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Bg5 Nbd7 {E11: Bogo-Indian} 9. Nbd2 Ba6 (9... h6 10. Bxf6 Nxf6 11. e4 Bb7 12. e5 Nd7 13. cxd5 cxd5 14. Rfe1 b5 15. Bf1 Qb6 16. Bd3 {0-1 (46) Li,C (2751)-Tomashevsky,E (2728) Huaian 2016}) 10. Rac1 {LiveBook: 5 Games} Rc8 11. Rfe1 c5 $146 ({Predecessor:} 11... h6 12. Bf4 c5 13. dxc5 bxc5 14. e4 d4 15. Nb3 Bb7 16. Rcd1 Nh7 17. Bd2 Qb6 18. Re2 {½-½ (19) Guerra,R (2228)-Garus,E (2170) ICCF email 2011}) 12. Qa4 Nb8 (12... Bb7 {looks sharper.} 13. cxd5 Bxd5 14. b4 cxb4 15. Rxc8 Qxc8 16. e4 Qc6) 13. dxc5 (13. cxd5 {is more complex.} Nxd5 14. Bxe7 Qxe7 15. Ne4 cxd4 16. Nxd4 Rfd8 17. a3) 13... dxc4 14. b4 ({Don't blunder} 14. Nxc4 $2 b5 $19) 14... cxb3 $1 15. Bxf6 gxf6 16. Nxb3 bxc5 17. Nfd2 Qd7 18. Qf4 Qc7 {White must now prevent ...Qxf4.} 19. Qh6 Bb7 (19... Qe5 $1 $15 {stays ahead.} 20. Qh4 (20. Be4 f5 $17) 20... Rc7) 20. Rc4 {[#] White threatens Rg4+ and mate.} f5 21. Bxb7 Qxb7 22. e4 Rfe8 23. Nf3 {Strongly threatening Qh5.} Nd7 24. Ng5 Bxg5 25. Qxg5+ Kh8 26. Rec1 f6 27. Qh4 {[%cal Rb3c5]} Rf8 {The position is equal.} 28. Nxc5 Rxc5 29. Rxc5 Nxc5 30. Rxc5 $11 {[%mdl 4096] Endgame KQR-KQR} Qb1+ 31. Kg2 {[#] Intending Qh6 and mate.} Qxe4+ 32. Qxe4 fxe4 {KR-KR} 33. Rc7 a5 34. Re7 e5 35. Ra7 Rb8 36. Rxa5 Rb2 {aiming for ...e3.} 37. Kf1 Kg7 38. a4 Ra2 39. Ra8 f5 40. a5 f4 41. gxf4 exf4 42. Re8 {Precision: White = 51%, Black = 64%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Vignesh N R"]
[Black "Harshavardhan G B"]
[Result "*"]
[ECO "A14"]
[WhiteElo "2461"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,21,10,8,5,-7]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. d4 c6 7. Qc2 b6 8. Bg5 Nbd7 {E11: Bogo-Indian} 9. Nbd2 Ba6 (9... h6 10. Bxf6 Nxf6 11. e4 Bb7 12. e5 Nd7 13. cxd5 cxd5 14. Rfe1 b5 15. Bf1 Qb6 16. Bd3 {0-1 (46) Li,C (2751)-Tomashevsky,E (2728) Huaian 2016}) 10. Rac1 {LiveBook: 5 Games} Rc8 11. Rfe1 {Predecessor:} h6 $146 12. Bf4 c5 13. dxc5 bxc5 14. e4 d4 15. Nb3 Bb7 16. Rcd1 Nh7 17. Bd2 Qb6 18. Re2 {½-½ (19) Guerra,R (2228)-Garus,E (2170) ICCF email 2011} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Akash G"]
[Black "Ziatdinov, Raset"]
[Result "1-0"]
[ECO "C73"]
[WhiteElo "2453"]
[BlackElo "2248"]
[Annotator "TA RC"]
[PlyCount "91"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,29,47,37,55,46,27,0,0,0,0,0,0,0,0,0,6,0,41,41,37,13,37,29,38,41,50,43,110,106,104,79,116,130,136,146,191,183,306,302,331,222,228,231,222,229,1191,1223,1168,738,720,614,845,860,677,659,831,812,791,788,2795,2579,2959,2558,29966,2247,29966,29962,6279,1554,29980,29981,29980,29981,29979,29980,29980,29980]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 f6 7. Nc3 g6 8. Be3 Nh6 {LiveBook: 14 Games. C73: Ruy Lopez: Deferred Steinitz: 5 Bxc6+} 9. Qe2 Ng4 $146 ({Predecessor:} 9... Bg7 10. O-O-O Nf7 11. h4 Bg4 12. h5 gxh5 13. Qc4 Qd7 14. Rd2 a5 15. d5 c5 16. Nh2 {0-1 (55) Abdusattorov,N (2429)-Vavulin,M (2604) Moscow 2017}) 10. O-O-O (10. Bd2 {is interesting.} Bd7 11. h3 Nh6 12. dxe5 fxe5 13. h4) 10... Nxe3 {White is slightly better.} 11. Qxe3 (11. fxe3 {looks sharper.} Qe7 12. Rdg1 h5 13. Kb1 Qf7 14. b3) 11... Bg7 12. h4 Bg4 13. h5 Bxh5 14. Rxh5 gxh5 15. Nh4 Qd7 16. Nf5 Bf8 17. d5 {[%mdl 1024] White has compensation.} c5 18. Ne2 Rg8 19. Rh1 Rg5 20. Neg3 Qf7 21. Qb3 Kd8 (21... O-O-O $14) 22. Qb7 $36 {[%mdl 2048] Keeping Black busy.} Rc8 23. Qxa6 Qg6 24. Qe2 c6 25. dxc6 Qe8 26. Nxh5 ({Resist} 26. Rxh5 Rxh5 27. Nxh5 Qg6) 26... Qxc6 (26... Qf7 $142 27. Nhg3 Rxc6) 27. Nxf6 $18 Ra8 28. Qc4 ({Weaker is} 28. Nxh7 Rxf5 29. exf5 Rxa2 $16) 28... Rxf5 29. exf5 Qxg2 30. Qd5 Qg5+ $2 (30... Qxd5 31. Nxd5 h6) 31. Kb1 Ra7 32. Qe6 Be7 33. Nd5 Qg2 {[%cal Rg2h1]} 34. Rd1 Qg4 35. Ne3 Qf3 36. f6 Bf8 37. a3 Qxf2 38. Nf5 Qf3 39. Rd3 Qg4 40. f7 (40. Rb3 $142 Rd7 41. Rb8+ Kc7 42. Qe8 Qg1+ 43. Ka2 Qg8+ 44. b3 Kc6 45. Rc8+ Kd5 46. Ne7+ Ke4 47. Nxg8) 40... Rd7 41. Rb3 Kc7 {[#]} 42. Ka2 (42. Rb7+ $142 $1 {[%mdl 512]} Kxb7 43. Qxd7+ Kb6 44. Qd8+ Kb7 45. Nxd6+ Bxd6 46. Qxd6 Qg1+ 47. Ka2) 42... Qg6 {[#]} 43. Rb7+ $3 {[%mdl 512] White mates.} Kxb7 44. Qxd7+ Ka6 45. Qc8+ Kb6 46. Qxf8 {Precision: White = 74%, Black = 19%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Shyaamnikhil P"]
[Black "Pranesh M"]
[Result "1-0"]
[ECO "C67"]
[WhiteElo "2446"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,100,34,34,27,37,28,28,29,57,48,76,67,70,36,87,89,100,101,120,107,120,88,126,114,131,97,292,-37,297,296,958,953,1578,900,2511,2493,1684,1628,1706,546,542,522,540,546,544,523,604,552,616,541,654,583,716,592,975,958,916,890,1298,1308,1690,1545,4352,3181,29967,10443,6829,3184,29974,29977,6949,6920,29971,29965,29989,29990,29990,29991,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (9. d4 Ne8 10. d5 Bc5 11. Re1 d6 12. Nc3 f5 13. Na4 Bxf2+ 14. Kxf2 Qh4+ 15. Kg1 Qxa4 16. Re7 Qh4 17. Qe2 {½-½ (45) Nakamura,H (2746)-Aronian,L (2765) St Petersburg 2018}) 9... Bf6 10. Re1 b6 11. d4 Bb7 {LiveBook: 4 Games} 12. Qd3 g6 13. Bf4 $146 ({Predecessor:} 13. d5 Re8 14. Bf4 Rxe1 15. Rxe1 Qf8 16. Qh3 Re8 {1-0 (37) Sousa,A (2380)-Dias,P (2332) Barcelos 2016}) 13... Nf5 14. d5 d6 15. Rad1 Bg7 16. Ne4 h6 17. c3 g5 ({Black should play} 17... a5 $14) 18. Bc1 Bc8 19. Qe2 Nh4 {[#]} 20. Qh5 $1 {[%cal Re4g5]} Ng6 21. Bd3 Re8 22. Bxg5 hxg5 23. Nxg5 Re5 $2 (23... Nh8 $16) 24. Qh7+ $18 Kf8 {[#]} 25. Nxf7 $1 {[%mdl 512]} Qf6 $2 (25... Kxf7 26. Bxg6+ (26. Qxg6+ Kf8 $16) 26... Kf8 27. Rxe5 dxe5) 26. Bxg6 Rxe1+ 27. Rxe1 {White wants to mate with Nh6.} Bd7 28. Nh6 Bxh6 29. Qxh6+ Qg7 30. Qxg7+ Kxg7 31. Re7+ Kxg6 32. Rxd7 {[%mdl 4096] Endgame KR-KR} Re8 {[%cal Re8e1]} 33. Kf1 Rc8 34. Ke2 Kf6 35. Ke3 b5 36. f4 a5 37. Kf3 b4 38. h4 Rh8 39. g3 {[%cal Bg2g3,Bg3g4][%mdl 32]} a4 40. cxb4 a3 41. bxa3 Ra8 42. g4 {Threatening mate with h5.} c6 43. dxc6 Ke6 44. f5+ {[%cal Bf4f5,Bf5f6,Bf6f7][%mdl 32]} Kd5 45. c7 Kc6 46. Re7 Rxa3+ 47. Kf4 {White mates.} Kb7 48. f6 Rxa2 49. f7 d5 {[#]} 50. c8=Q+ $1 Kb6 (50... Kxc8 51. f8=Q#) 51. Qb7# {Precision: White = 88%, Black = 33%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Harikrishnan.A.Ra"]
[Black "Debata Sarthak"]
[Result "*"]
[ECO "A04"]
[WhiteElo "2430"]
[BlackElo "1706"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,20,32,37,16,69]} 1. Nf3 c5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. d4 cxd4 7. Qxd4 Nc6 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} 8. Qh4 d6 9. Nc3 Qa5 {LiveBook: 3 Games} 10. Nd5 Be6 (10... Nxd5 $11 11. cxd5 Ne5) {Predecessor:} 11. Bd2 $146 Qa6 12. Nc7 Qxc4 13. Nxa8 Rxa8 14. Rfe1 Qxh4 15. Nxh4 Nd5 16. Rac1 a5 17. a4 {½-½ (26) Mamedyarov,S (2757)-Degraeve,J (2548) France 2007} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Harikrishnan.A.Ra"]
[Black "Debata Sarthak"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2430"]
[BlackElo "1706"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,41,19,10,9,22,37,30,30,7,56,56,63,33,37,23,54,44,54,42,212,214,397,369,517,304,534,472,718,584,1182,1180]} 1. Nf3 c5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. c4 O-O 6. d4 cxd4 7. Qxd4 Nc6 {A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} (7... d5 8. cxd5 Nxd5 9. Qh4 Nc6 10. Rd1 Qa5 11. Bd2 Qb5 12. Nc3 Nxc3 13. Bxc3 Qxe2 14. Rd2 Qb5 15. Re1 {½-½ (27) Dubov,D (2701)-Jones,G (2651) Batumi 2018}) 8. Qh4 d6 9. Nc3 Qa5 {White has an edge.} 10. Nd5 Be6 11. Bd2 Qd8 12. e4 {[%cal Be2e4,Be4d5][%mdl 32]} Rc8 $146 ({Predecessor:} 12... Nh5 13. Rab1 Qd7 14. b4 Rae8 15. Rfc1 {1-0 (30) Vooremaa,A (2335)-Hintikka,E (2255) Kuopio 1993}) 13. Bh6 Bxh6 14. Qxh6 Bxd5 15. exd5 Na5 $2 {[#]} (15... Ne5 $14) 16. b3 $18 a6 $2 (16... Ng4 {was called for.} 17. Qd2 Nf6) 17. Ng5 b5 (17... Kh8 $142 18. Rfe1 Qe8) 18. cxb5 axb5 $2 (18... Nb7 19. bxa6 Nc5) 19. Rfe1 {White is clearly winning.} Qc7 (19... Nb7 $142 20. Re6 fxe6) 20. Bh3 Rb8 {[#]} 21. Re6 $3 {[%mdl 512] Accuracy: White = 55%, Black = 14%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Neelotpal, Das"]
[Black "Kurbonboeva, Sarvinoz"]
[Result "*"]
[ECO "A16"]
[WhiteElo "2419"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "37"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,30,34]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. d4 O-O 7. Nge2 e5 {LiveBook: 82 Games} {Predecessor:} 8. O-O $146 Nbd7 9. b3 exd4 10. Nxd4 Re8 11. Be3 Nc5 12. f3 d5 13. Nxc6 bxc6 14. Bxc5 dxc4 15. Qxd8 Rxd8 16. Rfd1 Rxd1+ 17. Rxd1 Nd7 18. Bd4 cxb3 19. axb3 {½-½ (85) Hammer,J (2631)-Arvola,B (2471) Sarpsborg 2018} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Neelotpal, Das"]
[Black "Kurbonboeva, Sarvinoz"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2419"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,95,6,81,70,100,0,0,0,0,-37,-20,-60,-10,-48,0,-26,-15,-27,-29,-47,-35,-32,-27,-48,-47,-128,-106,-252,-290,-257,-285,-289,-245,-278,-270,-276,-261,-258,-266,-268,-270,-267,-268,-268,-268,-263,-262,-247,-193,-230,-250,-247,-238,-244,-245,-243,-240,-233,-231,-218,-207,-364,-364,-364,-364,-364,-364,-364,-364,-364,-364,-346,-306,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29977]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c6 5. e4 d6 6. d4 O-O 7. Nge2 e5 8. d5 c5 (8... cxd5 $11 9. cxd5 Na6) 9. O-O {E72: King's Indian: 4 e4 d6 5 g3} Nbd7 10. f4 (10. Bg5 $16) 10... exf4 $11 11. gxf4 {The position is equal.} Nh5 $146 ({Predecessor:} 11... a6 12. Ng3 {1-0 (26) Malinin,Y (2335)-Rogovoi,M (2225) St Petersburg 1998}) 12. Be3 Re8 13. Qd2 f5 14. exf5 gxf5 15. Kh1 Ndf6 16. Bg1 Bd7 17. Rae1 Ng4 18. Rf3 Qe7 19. Ref1 a6 20. h3 (20. Rh3 $15 Nhf6 21. Ng3) 20... b5 $17 {Hoping for ...b4.} 21. hxg4 (21. Ng3 $17 {might work better.} Nxg3+ 22. Rxg3) 21... fxg4 $19 22. Re3 Qh4+ 23. Bh2 Rxe3 $1 24. Qxe3 Bd4 $1 {[%cal Rd4e3]} 25. Nxd4 ({Wrong is} 25. Qd3 $2 bxc4 26. Qxd4 cxd4 $19) 25... cxd4 26. Qxd4 {Threatens to win with f5.} g3 {[%csl Gg3][%cal Rh4h2]} 27. Qg1 gxh2 28. Qxh2 Ng3+ 29. Kg1 Qxh2+ 30. Kxh2 Nxf1+ 31. Bxf1 {[%mdl 4096] Endgame KRB-KBN} Kf8 32. Ne4 Ke7 33. c5 dxc5 34. d6+ {[#]} Ke8 $1 35. Nxc5 Rc8 36. Nxa6 Rc2+ 37. Kg3 Rxb2 38. Nc5 $2 (38. f5 {is a better defense.}) 38... Rxa2 39. Nxd7 Kxd7 40. Bxb5+ Kxd6 {KR-KB} 41. Kg4 Ke7 42. Bd3 h6 {[%cal Bh7h6,Bh6h5,Bh5h4][%mdl 32]} 43. Kf5 Rg2 {Strongly threatening ...h5.} 44. Be4 $2 {[#]} (44. Bf1 $19 Rb2 45. Bc4) 44... Rg3 $1 {Black mates.} 45. Ke5 h5 46. f5 h4 47. f6+ Kf8 48. Kd4 {Precision: White = 37%, Black = 83%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Manik, Mikulas"]
[Black "Aleksandrov, Aleksej"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2413"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "131"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,131,14,8,24,24,17,20,42,18,26,23,17,11,20,21,19,8,11,5,9,0,17,0,14,14,32,19,19,25,29,20,11,23,22,12,12,8,66,75,91,70,63,56,175,32,72,72,73,80,262,239,284,274,729,732,730,415,630,412,389,404,388,381,343,0,892,342,342,342,420,415,476,470,470,252,252,252,408,408,405,315,315,291,291,291,291,272,512,291,466,206,206,0,291,0,206,206,206,206,206,206,206,206,206,206,206,206,206,136,136,120,120,120,120,120]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 b4 9. Nbd2 O-O 10. Re1 h6 {C88: Closed Ruy Lopez: Anti-Marshall Systems} (10... Na5 11. Ba2 c5 12. c3 Rb8 13. Nc4 Nc6 14. h3 Be6 15. Ng5 Bd7 16. f4 h6 17. Nf3 exf4 18. Bxf4 Be6 19. Ne3 bxc3 20. bxc3 Rb2 {0-1 (46) Karjakin,S (2753)-So,W (2765) Kolkata 2018}) 11. h3 Rb8 12. Nc4 Re8 {The position is equal.} 13. a5 Bf8 14. Bd2 $146 ({Predecessor:} 14. Be3 g6 15. c3 Bg7 16. Qc2 Qe7 17. Ba4 Bd7 18. Bxc6 Bxc6 19. cxb4 {0-1 (60) Constantinou,P (2057)-Nielsen,H (2354) Andorra la Vella 2017}) 14... Be6 15. Ba4 Bd7 16. c3 bxc3 17. bxc3 Ne7 {[%cal Bc6e7,Be7g6,Bg6f4][%mdl 32]} 18. Bc2 Ng6 19. d4 Qc8 20. Kh2 Qb7 21. d5 Nf4 22. Rb1 Qa8 23. Rxb8 Qxb8 24. Bxf4 exf4 25. e5 dxe5 26. Ncxe5 Rd8 27. Qd3 Be8 (27... Qa7 $11) 28. Ng4 $14 ({But not} 28. Qxa6 $2 Bb5 $19) 28... Nxg4+ 29. hxg4 {[%csl Gc2][%cal Rd3h7]} g6 30. Qxa6 $40 {[%mdl 128] White has some attack.} Rxd5 {[#]} (30... Qb5 $14 31. Qf6 Qxd5) 31. Qf6 (31. Bb3 $1 $18 {[%cal Rb3d5][%mdl 512]} Rd6 (31... Qxb3 32. Rxe8) 32. Qc4) 31... Rxa5 32. Bb3 $1 {Qxg6+ is the strong threat.} Bg7 33. Qxg6 $1 {Black must now prevent Re7.} Ra3 $2 (33... Kf8 $16 34. Qe4 Bxc3) 34. Bc4 $18 Rxc3 {[#]} 35. Qe4 $1 Bb5 $2 {[#]} (35... Rxc4 36. Qxc4 Bb5 37. Qxf4 Qd8) 36. Bxf7+ $1 {[%mdl 512]} Kxf7 37. Qe6+ Kf8 38. Qf5+ Kg8 39. Re7 {Qf7+ would kill now.} Qf8 {[#]} 40. Qe6+ $1 Kh7 41. Ne5 $2 ({White should try} 41. Qe4+ $18 Kg8 42. Nh4 {[%mdl 64] Decoy}) 41... Bd3 $2 {[%mdl 8192]} (41... Rc5 $11) 42. Nxd3 $2 (42. Nd7 Qxe7 43. Qxe7) 42... Rxd3 43. Qe4+ {[%mdl 64] Double Attack} Kh8 {And now ...Rd4 would win.} 44. Re8 Rd8 45. Rxf8+ Rxf8 {[%mdl 4096] Endgame KQ-KRB} 46. Qc4 (46. Qe7 $142) 46... Be5 47. Qe6 Bg7 $2 (47... Bf6 {is a better defense.} 48. Qe4 Bd8) 48. Qe7 c6 49. Qc7 Rf6 50. Kh3 Bf8 51. Kh4 Kg8 52. Kh5 c5 $2 (52... Rd6 53. Kh4 Rf6) 53. Qb7 Kh8 $2 (53... c4 54. Qd5+ Kg7 55. Qd7+ Kg8 56. Qd5+ Kh8) 54. Qb2 (54. Qd7 $142) 54... Kg7 55. Qb7+ (55. Qe5 $142 Kf7 56. Qd5+ Ke8 57. g5 hxg5 58. Kxg5) 55... Kh8 $1 56. Qb2 Kg7 $1 57. g5 hxg5 58. Kxg5 Be7 59. Kg4 Kf8 60. Kf3 Kf7 61. Qb3+ Kf8 62. Ke4 Kg7 63. g4 {Hoping for f3.} fxg3 64. fxg3 Rg6 65. Kf5 Rf6+ 66. Ke5 {Accuracy: White = 56%, Black = 43%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Girish, A. Koushik"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[ECO "D29"]
[WhiteElo "2411"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,89,0,29,35,72,67,126,122,118,109,106,77,82,79,92,45,68,62,48,29,45,0,39,21,89,89,98,83,89,93,91,80,208,209,216,218,209,222,217,213,208,145,139,139,149,152,137,134,138,140,141,133,175,162,194,173,243,226,273,272,341,340,345,339,455,466,828,807,975,837,2957,2287]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 Be7 11. e4 {D29: Queen's Gambit Accepted: Classical main line: 7 Qe2 with early ...Nbd7} b4 (11... c4 12. Bc2 Qb6 13. e5 Nd5 14. Bg5 Nxc3 15. bxc3 Qd8 16. Be4 Bxe4 17. Qxe4 O-O 18. h4 Nb6 {½-½ (39) Mamedyarov,S (2791)-Eljanov,P (2720) Heraklio 2017}) 12. e5 bxc3 (12... Bxf3 $14 13. Qxf3 bxc3) 13. exf6 $16 {White is better.} Nxf6 14. Ba4+ ({Much worse is} 14. bxc3 $6 O-O $11) 14... Kf8 15. bxc3 Qa5 16. Bb3 cxd4 17. Nxd4 (17. Ne5 {feels hotter.} Qxc3 18. Bb2 Qc5 19. Bxd4 Qb5 20. Bc4) 17... Qh5 {[#]} 18. Qxh5 $146 ({Predecessor:} 18. f3 e5 19. g4 Qh3 20. Qxe5 Bxf3 21. Nxf3 Qxf3 22. Qxe7+ {1-0 (22) Gareyev,T (2613)-Van Wely,L (2683) Los Angeles 2011}) 18... Nxh5 19. c4 Nf6 20. f3 Bc5 {Hoping for ...e5.} 21. Kf1 Ke7 (21... e5 $11 22. Nf5 e4) 22. Ba4 $1 {Black must now prevent Rb1.} Rac8 23. Nb3 $1 {[%cal Rb3c5]} Bb4 24. Rb1 $36 {[%mdl 2048] Black is under strong pressure.} Ba8 {[#]} ({Not} 24... Rxc4 $2 25. Na5 $1 $18 {[%mdl 512]}) 25. Na5 $1 {[%mdl 512]} Bd6 {[#]} (25... Bc5 $16) (25... Bxa5 26. Ba3+) 26. Rb6 $1 $18 {[%cal Rb6d6]} Bc5 27. Rxa6 Rhd8 28. Rxd8 Rxd8 29. Ke2 {Bc6 is the strong threat.} Rc8 30. Bc6 Bxc6 31. Rxc6 Kd7 32. Rxc8 Kxc8 $16 {[%mdl 4096] Endgame KBN-KBN} 33. Nb3 Bd6 34. h3 Nd7 35. Be3 h5 36. c5 Bg3 37. Bd4 g5 (37... g6 {keeps fighting.} 38. Kd3 Nb8) 38. Kd3 f5 39. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} e5 40. Be3 Bh4 41. a5 Kb7 42. Kc4 {White is clearly winning.} g4 (42... Nf6 $142 43. Kb5 Nd5) 43. Kb5 $18 gxh3 44. c6+ Kc7 45. gxh3 {Accuracy: White = 78%, Black = 32%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Girish, A. Koushik"]
[Black "Deepan Chakkravarthy J."]
[Result "*"]
[ECO "D29"]
[WhiteElo "2411"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,19,2,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Qe2 b5 8. Bb3 Bb7 9. Rd1 Nbd7 10. Nc3 {LiveBook: 524 Games} {Predecessor:} Qb8 $146 11. e4 cxd4 12. Nxd4 Bd6 13. g3 O-O 14. f3 Rc8 15. Be3 Nf8 16. Rac1 h5 17. Qd2 Rd8 18. Nce2 h4 19. Bg5 hxg3 20. Bxf6 gxf6 21. Qh6 {1-0 (31) Svidler,P (2756)-Shankland,S (2722) Hoogeveen 2018} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Rajesh, V A V"]
[Black "Saurabh Anand"]
[Result "*"]
[ECO "D31"]
[WhiteElo "2410"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,28,-13,-8,-12]} 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 O-O 11. O-O Nbd7 12. Rab1 a5 13. Rfc1 Re8 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 14. Nd2 {LiveBook: 8 Games} Nh5 (14... Kg7 15. h3 Nf8 16. a3 a4 17. Bxf6+ Bxf6 18. b3 axb3 19. Rxb3 Qd7 20. Nf3 Ne6 21. Qb1 {0-1 (83) Pridorozhni,A (2555)-Popov,I (2599) Moscow 2012}) {Predecessor:} 15. Bxe7 $146 Qxe7 16. Na4 f5 17. g3 Nhf6 18. Qb3 Qb4 19. a3 Qxb3 20. Nxb3 Ne4 21. Rc2 {0-1 (101) Roselli Mailhe,B (2385)-Diaz Hollemaert,N (2419) Sao Paulo 2008} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Rajesh, V A V"]
[Black "Saurabh Anand"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2410"]
[BlackElo "2210"]
[Annotator "RC"]
[PlyCount "56"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Be7 {[%emt 0:00:13]} 4. cxd5 {[%emt 0:01:06]} exd5 {[%emt 0:00:12]} 5. Nf3 {[%emt 0:00:36]} Nf6 {[%emt 0:00:17]} 6. Bg5 {[%emt 0:00:52]} c6 {[%emt 0:00:17]} 7. Qc2 {[%emt 0:01:10]} g6 {[%emt 0:00:15]} 8. e3 {[%emt 0:00:41]} Bf5 {[%emt 0:00:16]} 9. Bd3 {[%emt 0:00:08]} Bxd3 {[%emt 0:00:23]} 10. Qxd3 {[%emt 0:00:06]} O-O {[%emt 0:00:50]} 11. O-O {[%emt 0:01:36]} Nbd7 {[%emt 0:00:30]} 12. Rab1 {[%emt 0:01:21]} a5 {[%emt 0:01:16]} 13. Rfc1 {[%emt 0:00:12]} Re8 {[%emt 0:03:46]} 14. Nd2 {[%emt 0:03:03]} Nh5 {[%emt 0:13:48]} 15. Bxe7 {[%emt 0:08:38]} Qxe7 {[%emt 0:00:38]} 16. b3 {[%emt 0:02:09]} f5 {[%emt 0:03:45]} 17. Re1 {[%emt 0:07:50]} Nhf6 {[%emt 0:03:45]} 18. f3 {[%emt 0:00:51]} Nb6 {[%emt 0:02:43]} 19. Na4 {[%emt 0:05:53]} Nc8 {[%emt 0:09:21]} 20. Rbc1 {[%emt 0:03:58]} Nd6 {[%emt 0:01:26]} 21. Nc3 {[%emt 0:04:21]} Kh8 {[%emt 0:01:50]} 22. Re2 {[%emt 0:01:07]} Qe6 {[%emt 0:07:33]} 23. Rce1 {[%emt 0:02:03]} Re7 {[%emt 0:00:56]} 24. Na4 {[%emt 0:10:22]} Nd7 {[%emt 0:01:18]} 25. Nc3 {[%emt 0:02:57]} Nf6 {[%emt 0:00:31]} 26. Na4 {[%emt 0:02:33]} Nd7 {[%emt 0:00:40]} 27. Nc5 Nxc5 28. dxc5 Nf7 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Rathnakaran, K.."]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "2373"]
[BlackElo "2541"]
[Annotator "TA RC"]
[PlyCount "74"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,74,14,23,2,7,-57,-49,-89,-52,-54,-54,-80,-48,-100,-95,-132,-110,-158,-160,-208,-182,-190,-170,-174,-171,-172,-169,-200,-178,-252,-247,-268,-213,-232,-218,-208,-204,-227,-160,-187,-187,-181,-165,-192,-134,-260,-267,-260,-263,-242,-245,-630,-624,-933,-899,-5214,-5206,-29989,-29983,-29989,-29989]} 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. Bc2 Bg4 6. d3 g6 7. Nbd2 Bg7 8. h3 Bd7 {LiveBook: 30 Games. B50: Sicilian: 2...d6, Miscellaneous} 9. Nf1 (9. O-O O-O 10. a3 b5 11. Re1 a5 12. d4 cxd4 13. cxd4 e5 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Nf3 {½-½ (69) Korobov,A (2652)-Xu,Y (2526) Tegernsee 2017}) 9... b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. g4 $146 (10. Bd2 $11) ({Predecessor:} 10. Ne3 O-O 11. O-O b4 12. Bd2 Rb8 13. cxb4 Nxb4 14. Bc3 Qc8 15. Kh2 Qa6 16. Qb1 {0-1 (29) Csuta,A (1814)-Toviskes,A (2012) Puspokladany 2014}) 10... b4 {Black is slightly better.} 11. Ng3 O-O 12. Bd2 Rb8 13. Nh2 Qa5 14. a3 (14. O-O $15) 14... bxc3 $17 15. Bxc3 Qa6 16. g5 Ne8 17. Ng4 Nd4 18. Nh6+ Bxh6 19. gxh6 e5 20. Bxd4 cxd4 21. b4 Rc8 22. Ne2 {[#]} (22. a4 $142) 22... d5 $1 $19 {[%mdl 512]} 23. exd5 Nf6 24. Bb3 Bb5 25. O-O Bxd3 26. Re1 Rfd8 27. Rc1 Rxc1 28. Nxc1 Be4 $36 {[%mdl 2048] White must now prevent ...Qc8. Black has strong initiative.} 29. f3 {[#]} Bxd5 (29... Bf5 $1 $19 {Strongly threatening ...d3.} 30. Qe2 d3) 30. Nd3 (30. Bxd5 $17 Nxd5 31. Rxe5) 30... Qxa3 31. Bxd5 Nxd5 ({Don't play} 31... Rxd5 32. Qc1 $17) 32. Nxe5 {Threatens to win with Nc6.} Qc3 {aiming for ...d3.} ({Inferior is} 32... Nxb4 33. Nc4 $14) 33. Ng4 $2 (33. Nd3) 33... d3 34. Re5 f5 35. f4 fxg4 36. Qxg4 Qc1+ 37. Kg2 Ne3+ {Precision: White = 21%, Black = 75%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Tran, Minh Thang"]
[Black "Karthik Venkataraman"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "2355"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,0,21,0,23,22,10,22,8,-21,0,-38,-45,-46,-39,-33,-39,-59,19,0,0,-16,-16,-16,0,-33,-27,-29,-34,-39,-33,-142,-144,-180,-152,-225,-187,-175,-170,-170,-180,-526,-518,-566,-556,-579,-354,-498,-501,-483,-377,-377,-377,-363,-336,-809,-799,-7356,-6598,-29981,-29982,-29996,-29997]} 1. Nf3 c5 2. c4 Nc6 3. b3 e5 4. Nc3 (4. Bb2 e4 5. Ng1 Nf6 6. Nc3 Be7 7. g3 O-O 8. Bg2 Re8 9. Nh3 d5 10. cxd5 Nxd5 11. Nxe4 Bf5 12. Nc3 {0-1 (31) Svidler,P (2759)-Vachier Lagrave,M (2798) Biel 2016}) 4... f5 5. g3 Nf6 6. Bb2 {A30: Symmetrical English: Double Fianchetto and Hedgehog} Be7 7. Bg2 $146 ({Predecessor:} 7. Bh3 d6 8. a3 Bd7 9. e3 h6 10. Nh4 Qc8 11. Nd5 {½-½ (26) Chamba,A (1990)-Moissonnier,N (1820) Loire 2004}) 7... O-O 8. d3 {The position is equal.} d6 9. Nd2 Be6 10. a3 d5 11. cxd5 Nxd5 12. O-O Qd7 13. Nc4 Bf6 ({Black should play} 13... f4 $15) 14. Nxd5 Bxd5 15. Bxd5+ Qxd5 16. e4 Qd7 17. Ne3 (17. b4 $5) 17... Rad8 18. Nd5 Ne7 19. Nxe7+ Bxe7 20. Bxe5 {[#]} (20. exf5 $15 Qxf5 21. Qe2) 20... fxe4 $1 $17 ({Much worse is} 20... Qxd3 $6 21. Re1 $11) 21. Qd2 ({Don't go for} 21. dxe4 $2 Qe6 $19) 21... Qxd3 22. Qb2 (22. Qxd3 $17 exd3 23. Rfe1) 22... e3 23. Rae1 exf2+ 24. Rxf2 Bg5 $36 {[%mdl 2048] Black is on the roll.} 25. Rfe2 $2 (25. Rxf8+ {is a better chance.} Rxf8 26. Qe2 Qxe2 27. Rxe2) 25... Bd2 $19 26. Bxg7 Bxe1 27. Rxe1 Rf7 28. Be5 (28. Bh6 $142) 28... Qf3 {[#] ( -> ...Rd1)} 29. Qc2 Re8 {aiming for ...Rxe5!} 30. Qxc5 Qf5 31. Qd4 h5 32. Qa1 $2 (32. Qf4) 32... Rfe7 33. Bc3 Qc5+ 34. Kh1 Rxe1+ 35. Bxe1 Re2 {Precision: White = 26%, Black = 67%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Babiy, Olga"]
[Black "Popov, Ivan"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2275"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,96,26,26,31,31,29,26,36,35,33,35,37,28,19,25,-11,-11,-10,-10,-16,-11,-43,-16,-16,-20,-20,-25,-27,-19,-19,-12,-15,-15,-18,-17,-12,-9,-30,-20,-45,-41,-37,-36,-39,-35,-42,-32,-57,-33,-83,-33,-83,-89,-100,-104,-211,-189,-321,-320,-329,-317,-316,-325,-330,-330,-338,-355,-269,-271,-471,-468,-368,-372,-615,-595,-2670,-2562,-2245,-1585,-4382,-4325,-3703,-3500,-2389,-2141,-3971,-3978,-6522,-6422]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 e6 {LiveBook: 8 Games} 6. Bf4 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} (6. Nf3 Bd6 7. O-O Nge7 8. Re1 O-O 9. Na3 f6 10. Nb5 Bb8 11. c4 Nb4 12. Bf1 dxc4 13. Bxc4 Nbd5 {0-1 (37) Anand,V (2773)-Ganguly,S (2615) Kolkata 2018}) 6... Bd6 7. Bxd6 Qxd6 8. Nf3 {White has an edge.} Nge7 9. O-O O-O 10. Re1 f6 $146 ({Predecessor:} 10... Ng6 11. Nbd2 Bd7 12. Ng5 Nce7 13. Qh5 h6 14. Nxf7 {1-0 (42) Lebrun,X (2162)-Plantet,M (1927) Montigny le Bretonneux 2007}) 11. c4 Nb4 12. Nc3 Nxd3 13. Qxd3 b6 14. Nb5 Qd7 15. Rac1 Ba6 {And now ...dxc4 would win.} 16. Qa3 Bxb5 17. cxb5 Rac8 18. g3 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Nxc8 21. Qe3 Kf7 22. a4 Qc7 23. Qd3 h6 24. Kg2 Nd6 25. Nd2 Qc1 26. Qc3 Qxc3 27. bxc3 $15 {[%mdl 4096] Endgame KN-KN} e5 28. Kf3 Ke6 29. g4 f5 {[%cal Bf6f5,Bf5f4][%mdl 32]} 30. h3 g6 31. dxe5 Kxe5 32. Ke3 (32. gxf5 $17 gxf5 33. Nb3) 32... f4+ $19 33. Kd3 {[#]} (33. Ke2 $142) 33... Ne4 $1 34. Nf3+ Kd6 35. Nh4 Nxf2+ 36. Ke2 Ne4 ({Don't play} 36... Nxh3 37. Nxg6 Kc5 38. Ne5 $19) 37. Nxg6 Nxc3+ 38. Kf3 Nxa4 39. Nxf4 $2 (39. Kxf4 {was called for.} Nc3 40. h4 Nxb5 41. h5) 39... Nc3 40. h4 Nxb5 41. Ke3 $2 (41. g5 hxg5 42. hxg5) 41... Nc7 {Black is clearly winning.} 42. g5 hxg5 43. hxg5 Ke5 44. g6 Kf6 45. Kd3 a5 46. Kc2 b5 47. Kc3 {[#]} d4+ $1 48. Kc2 (48. Kxd4 Ne6+) 48... Ne6 {Accuracy: White = 42%, Black = 75%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Sai Vishwesh.C"]
[Black "Nguyen, Van Huy"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "2250"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,64,12,4,25,25,42,-31,26,-83,-87,-87,-85,-71,-52,-106,-101,-125,-123,-132,-133,-154,-148,-187,-191,-239,-208,-214,-187,-186,-187,-179,-185,-174,-165,-230,-214,-254,-249,-337,-345,-330,-334,-334,-307,-331,-331]} 1. e4 $146 (1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. e3 cxd4 5. exd4 d5 {½-½ (46) Kamsky,G (2729)-Papaioannou,I (2597) Dresden 2008}) ({Predecessor:} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O cxd4 8. exd4 dxc4 {0-1 (56) Tregubov,P (2617)-Tran,T (2455) Moscow 2015}) 1... c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O Nbd7 10. Bg5 h6 11. Bh4 Bxc3 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4} (11... Qa5 12. Rc1 Bxc3 13. Rxc3 b5 14. Bb3 b4 15. Re3 Nd5 16. Re4 Bb7 17. Rfe1 N5f6 18. Rf4 Nh5 19. Rg4 {½-½ (46) Kamsky,G (2729)-Papaioannou,I (2597) Dresden 2008}) 12. bxc3 Qa5 13. Bb3 ({Better is} 13. Qb3 $14) ({Predecessor:} 13. Qb3 b6 14. Be2 Nd5 15. Rfc1 Nf4 16. Bf1 Bb7 17. Bg3 Qf5 18. Qb5 Nh3+ 19. Kh1 Qxb5 20. Bxb5 {0-1 (56) Tregubov,P (2617)-Tran,T (2455) Moscow 2015}) 13... b6 (13... Qxc3 $15 14. Re1 Qa5) 14. Ne5 (14. Re1 $11 {remains equal.}) 14... Nxe5 $17 15. dxe5 Qxe5 16. Re1 Qh5 ({Don't go for} 16... Qxc3 $2 17. Re3 $18) 17. Qd4 {[#]} (17. Qxh5 $15 Nxh5 18. Bd1) 17... Bb7 $1 $36 {[%mdl 2048] Black is in control.} 18. Bxf6 Qg6 {[%csl Gb7][%cal Rg6g2][%mdl 64] Double Attack} 19. f3 {Strongly threatening Be5.} Qxf6 20. Qd7 Rab8 21. Qa4 a5 ({Don't do} 21... Qxc3 22. Rac1 $17) 22. Rac1 Rfd8 23. Qb5 Rd6 24. Qe5 Qxe5 25. Rxe5 Rc8 26. c4 Ba6 27. f4 (27. Rc2 $142) 27... Rdc6 $19 28. f5 exf5 (28... Bxc4 29. Rxc4 Rxc4 30. Bxc4 $17) 29. c5 Rxc5 {Black has a decisive advantage.} 30. Rcxc5 Rxc5 ({Much less strong is} 30... bxc5 31. Rxf5 Rc7 32. Rd5 $19) 31. Re8+ Kh7 32. Bxf7 Bc4 {Accuracy: White = 31%, Black = 80%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Sai Vishwesh.C"]
[Black "Nguyen, Van Huy"]
[Result "*"]
[ECO "B14"]
[WhiteElo "2250"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,24,16,3,25,34,23]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. Bd3 dxc4 8. Bxc4 O-O 9. O-O Nbd7 10. Bg5 h6 11. Bh4 {LiveBook: 28 Games} Bxc3 {E54: Nimzo-Indian: Rubinstein: Main Line: 7...dxc4 8 Bxc4} (11... Qa5 12. Rc1 Bxc3 13. Rxc3 b5 14. Bb3 b4 15. Re3 Nd5 16. Re4 Bb7 17. Rfe1 N5f6 18. Rf4 Nh5 19. Rg4 {½-½ (46) Kamsky,G (2729)-Papaioannou,I (2597) Dresden 2008}) 12. bxc3 Qa5 {Predecessor:} 13. Qb3 $146 b6 14. Be2 Nd5 15. Rfc1 Nf4 16. Bf1 Bb7 17. Bg3 Qf5 18. Qb5 Nh3+ 19. Kh1 Qxb5 20. Bxb5 {0-1 (56) Tregubov,P (2617)-Tran,T (2455) Moscow 2015} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Elgabry, Mohsen"]
[Black "Khusenkhojaev, Muhammad"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "2245"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,99,0,5,-10,-6,-14,-9,-12,-7,-25,-14,-13,-7,-14,-14,-12,-14,-10,-10,-4,-13,-17,-30,0,0,-74,-50,-40,-46,-48,-41,-43,-41,-38,-27,-81,-30,-69,0,-108,95,78,89,79,92,98,74,2,61,0,57,0,135,135,143,128,455,437,455,446,427,427,449,452,449,443,435,435,435,429,429,363,350,334,683,673,699,669,689,672,648,632,594,571]} 1. b3 d5 2. Bb2 c5 3. e3 Nf6 4. Nf3 Nc6 5. d4 cxd4 6. exd4 {D04: Colle System} g6 (6... Bg4 7. Be2 Qa5+ 8. c3 Bxf3 9. Bxf3 g6 10. O-O Bg7 11. Nd2 O-O 12. c4 Rad8 13. Re1 e6 14. a3 dxc4 15. Bxc6 {0-1 (45) Alonso Alvarez,A (2306)-Van Wely,L (2650) Linares 2018}) 7. Be2 Bg7 8. O-O b6 9. Nbd2 O-O {LiveBook: 3 Games} 10. a3 Bb7 11. Bd3 Rc8 $146 ({Predecessor:} 11... Qc7 12. Re1 Rfd8 13. Qe2 e6 14. Rad1 Rac8 15. g3 Nd7 {½-½ (62) Martiska,P (2310)-Sorsak,J (2125) Topolcianky 1994}) 12. Re1 e6 13. Rc1 Qc7 14. Qe2 Rfd8 15. g3 Bh6 16. Rcd1 Ne7 17. c3 Nf5 18. Ne5 Nd6 19. Nb1 Bg7 20. f3 Nd7 21. Ng4 (21. a4 $11) 21... h5 22. Ne5 Nxe5 23. dxe5 Nf5 24. Bc1 Qc5+ 25. Kf1 d4 26. c4 (26. b4 $11 Qxe5 27. Qxe5 Bxe5 28. Bxf5 gxf5 29. Rxe5 Bxf3 30. Rde1) 26... a5 (26... Rc7 $17) 27. Bg5 Rd7 (27... Bh6 $15 28. Bxh6 Nxh6) 28. a4 {[#]} (28. Bxf5 $1 $11 gxf5 29. a4) 28... Bf8 $2 (28... Ne3+ $1 $17 {[%mdl 512] and life is bright.} 29. Bxe3 dxe3 30. Qxe3 Qxe3 31. Rxe3 Rcd8) 29. Bxf5 $1 $16 gxf5 30. Rd3 $1 Bg7 31. Nd2 Kh7 32. Kf2 (32. f4 $16) 32... Kg6 (32... Rh8 $11) 33. h4 (33. f4 $14) 33... Qc6 (33... Bh6 $11) 34. Rg1 ({White should play} 34. Kg2 $14) 34... Rf8 {[#]} (34... Qc5 $1 $11 {remains equal.} 35. f4 Bf8) 35. g4 $1 {[%cal Rg4f5]} fxg4 36. fxg4 {[%cal Bf3g4,Bg4h5,Bh5h6][%mdl 32]} f5 $2 {[%mdl 8192]} (36... Kh7 $16 {is tougher.}) 37. gxh5+ $18 Kh7 38. h6 Bh8 {[#] intending ...Rg8.} 39. Bf4 $1 {Qh5 is the strong threat.} Qc8 40. Qh5 {[%csl Gg1][%cal Rh5g6]} Qe8 41. Qg5 Rg8 42. Qxg8+ Qxg8 43. Rxg8 Kxg8 44. Rg3+ Kh7 45. h5 Bc6 $2 (45... d3 46. Ke3 Bc6) 46. Rg6 {White is clearly winning.} Re7 47. Nf3 Bxf3 48. Kxf3 d3 49. Ke3 Rd7 50. Rg2 {Precision: White = 62%, Black = 43%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Senthil Maran K"]
[Black "Lugovskoy, Maxim"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2183"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,16,22,-3,-13,-24,-12,-33,-20,-34,-29,-44,-57,-51,-8,-6,38,14,10,0,37,0,0,7,0,-99,-110,-124,-118,-175,-177,-168,-160,-162,-158,-129,-59,-75,-65,-59,-28,-91,-12,-17,0,-4,0,-37,181,-158,-35,-85,-94,-218,0,0,0,-32,10,29,208,31,277,0,0,-22,-10,-17,79,59,358,29,70,69,76,-105,-109,-153,-145,-483,-204,-779,-436,-843,-800,-29989,-29990,-29993,-758,-1270,-1406,-1236,-1297,-1147,-1115,-930,-862,-774,-748,-1407,-733,-935,-733,-733,-733]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 Qd7 5. h3 Bh5 6. g4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bg6 7. Nh4 e6 8. O-O $146 {The position is equal.} ({Predecessor:} 8. Nxg6 hxg6 9. c3 Nf6 10. Be3 Bd6 11. Nd2 O-O-O 12. Qa4 Kb8 13. O-O-O Qe8 {0-1 (127) Franco Ocampos,Z (2500)-Sowray,P (2325) Wijk aan Zee 1983}) 8... Nf6 9. Nxg6 hxg6 10. c4 dxc4 11. e3 Bd6 12. Nd2 e5 13. d5 Na5 14. Qc2 b5 15. a4 a6 16. axb5 axb5 17. Qc3 (17. Nxc4 $11 bxc4 18. Bd2) 17... O-O $1 $17 18. g5 Nh7 (18... b4 19. Qc2 $15) 19. f4 (19. Rxa5 $17 {was necessary.} b4 20. Qc2 Rxa5 21. Nxc4) 19... exf4 $19 20. exf4 Nb7 21. Rxa8 Rxa8 22. b3 Bc5+ (22... Nc5 $17 {...Nd3 is the strong threat.} 23. bxc4 Ra2) 23. Kh2 Nd6 $1 24. bxc4 b4 25. Qf3 (25. Qd3 $11) 25... Re8 (25... Nf5 $17 26. Qd3 Nh4) 26. Nb3 $11 Ba7 $1 27. Qd3 $132 {[%mdl 2048] White is not holding back} Nf5 28. Bd2 Qd6 $2 {[#]} (28... c6 $15 {keeps the upper hand.}) 29. Kh1 $2 ({Only move:} 29. c5 $1 $18 {[%cal Rc5d6][%mdl 512]} Qe7 (29... Bxc5 30. Qb5) 30. Re1 (30. Bxb4 Rb8 $16)) 29... c5 (29... Nf8 $17 30. Kh2 Nd7) 30. Kg1 Bb8 31. Be4 {[#]} (31. Kf2 $17) 31... Nh4 $2 (31... Nxg5 $1 $19 {[%mdl 512]} 32. Bxf5 (32. fxg5 Qh2#) 32... gxf5 33. Qxf5 Ne4) 32. Rf2 Qe7 33. Bf3 f6 {[%cal Rf6g5]} 34. Bg4 {Hoping for Re2.} Qd8 $2 (34... Qd6 $11 {and Black is okay.}) 35. Re2 $2 (35. Nxc5 $18 f5 36. Bd1 (36. Bxb4 fxg4 37. hxg4 Qb6 $15)) 35... Rf8 $2 (35... Rxe2 $14 36. Qxe2 (36. Bxe2 fxg5 37. Bg4 gxf4 $17) 36... fxg5) 36. Be1 $2 (36. Nxc5 $18 Qb6 37. Be3) 36... fxg5 37. Bxh4 gxh4 38. Qxg6 Bxf4 (38... Qf6 $11 {keeps the balance.} 39. Be6+ Kh8 40. Qxf6 Nxf6) 39. Nxc5 $16 {Strongly threatening Ne6.} ({But not} 39. Be6+ Kh8 $15) 39... Qa5 $2 {[%mdl 8192]} (39... Qc7 $1 $14 40. Ne4 Ng5) 40. Nb3 $2 (40. Nd7 $18 Qa3 41. Nxf8 Nxf8 42. Be6+ Kh8 43. Qh5+ Bh6 44. Qxh4) 40... Qa7+ 41. c5 {aiming for Re8.} Nf6 {[#]} 42. d6 $2 (42. Bf5 $1 $16 {and life is bright.}) 42... Bxd6 $1 $17 43. Be6+ Kh8 44. Re4 $2 {[%mdl 8192] [#]} (44. Qf5 $17) 44... Bg3 ({Not} 44... Bxc5+ 45. Kh1 $19) (44... Bh2+ $142 $1 {[%mdl 512]} 45. Kxh2 Qa2+ 46. Qg2 Qxg2+ 47. Kxg2 Nxe4) 45. Rg4 $2 (45. Re2) 45... Qe7 46. Rg5 (46. Qg5 $142 Qb7 47. Nd4 Bf2+ 48. Kh2 Nxg4+ 49. Qxg4) 46... Bf4 $19 47. Rg4 Nxg4 48. Qxg4 Qg5 (48... Be3+ $142 49. Kh1 Qb7+ 50. c6 Qxc6+ 51. Bd5 Qxd5+ {[%mdl 64] Double Attack} 52. Kh2 Rf2+ 53. Kg1 Re2+ 54. Kf1 Qd1#) 49. Qxg5 {Black is clearly winning.} Bxg5 {[%mdl 4096] Endgame KRB-KBN} 50. c6 Be3+ 51. Kh1 Rf1+ 52. Kg2 Rf2+ 53. Kh1 Rc2 54. Na5 Bf4 55. Bd7 Rc3 {White must now prevent ...Bc7.} 56. Be6 Rc5 {Accuracy: White = 21%, Black = 29%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Varshini, V."]
[Black "Czebe, Attila"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2171"]
[BlackElo "2418"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:02:44]} 2. Nc3 {[%emt 0:00:46]} a6 {[%emt 0:00:26]} 3. a4 {[%emt 0:02:33]} Nc6 {[%emt 0:01:11]} 4. Nge2 {[%emt 0:00:55]} e6 {[%emt 0:05:07]} 5. d4 {[%emt 0:03:15]} cxd4 {[%emt 0:00:08]} 6. Nxd4 {[%emt 0:00:08]} Qc7 {[%emt 0:03:45]} 7. Be2 {[%emt 0:06:48]} Nf6 {[%emt 0:00:46]} 8. O-O {[%emt 0:01:19]} Bb4 {[%emt 0:00:41]} 9. Nxc6 {[%emt 0:06:19]} bxc6 {[%emt 0:03:28]} 10. Be3 {[%emt 0:11:46]} O-O {[%emt 0:00:46]} 11. Bf3 {[%emt 0:02:31]} Rb8 {[%emt 0:03:33]} 12. g3 {[%emt 0:04:13]} d5 {[%emt 0:00:29]} 13. exd5 {[%emt 0:05:29]} cxd5 {[%emt 0:00:39]} 14. a5 {[%emt 0:12:06]} Bc5 {[%emt 0:03:00]} 15. Bd4 {[%emt 0:09:06]} Bxd4 {[%emt 0:02:23]} 16. Qxd4 {[%emt 0:00:40]} e5 {[%emt 0:01:44]} 17. Nxd5 {[%emt 0:02:54]} Nxd5 {[%emt 0:00:07]} 18. Qxd5 {[%emt 0:00:03]} Rxb2 {[%emt 0:00:12]} 19. Qc6 {[%emt 0:25:15]} Qxc6 {[%emt 0:12:34]} 20. Bxc6 {[%emt 0:00:05]} Be6 {[%emt 0:00:07]} 21. Be4 {[%emt 0:01:30]} Bc4 {[%emt 0:01:23]} 22. Rfd1 {[%emt 0:02:32]} g6 {[%emt 0:01:56]} 23. Rd6 {[%emt 0:00:30]} Kg7 {[%emt 0:00:59]} 24. Bd3 {[%emt 0:00:41]} Bxd3 {[%emt 0:00:39]} 25. cxd3 {[%emt 0:00:05]} Ra8 {[%emt 0:00:03]} 26. d4 {[%emt 0:00:57]} e4 {[%emt 0:00:06]} 27. Rc1 {[%emt 0:00:30]} Ra2 {[%emt 0:00:17]} 28. Rd5 {[%emt 0:00:28]} Rb8 {[%emt 0:00:27]} 29. Re5 {[%emt 0:00:29]} Rbb2 {[%emt 0:00:07]} 30. Rf1 {[%emt 0:00:26]} f5 {[%emt 0:00:29]} 31. Kg2 {[%emt 0:00:35]} Rd2 {[%emt 0:01:19]} 32. g4 {[%emt 0:00:30]} Kf6 {[%emt 0:00:50]} 33. gxf5 {[%emt 0:00:21]} gxf5 {[%emt 0:00:27]} 34. Rc5 {[%emt 0:00:40]} Kg5 {[%emt 0:00:06]} 35. Kg3 {[%emt 0:00:32]} Ra3+ {[%emt 0:01:21]} 36. f3 {[%emt 0:00:24]} Rxd4 {[%emt 0:01:23]} 37. h4+ {[%emt 0:00:23]} Kf6 {[%emt 0:00:26]} 38. Rc6+ {[%emt 0:00:18]} Ke5 {[%emt 0:00:09]} 39. Rxa6 {[%emt 0:00:18]} Rdd3 {[%emt 0:00:38]} 40. Ra8 {[%emt 0:01:02]} Rxf3+ {[%emt 0:00:29]} 41. Rxf3 {[%emt 0:00:04]} Rxf3+ {[%emt 0:00:05]} 42. Kg2 {[%emt 0:00:03]} Kf4 {[%emt 0:00:30]} 43. a6 {[%emt 0:01:19]} Rg3+ {[%emt 0:00:07]} 44. Kf2 {[%emt 0:00:37]} e3+ {[%emt 0:02:56]} 45. Ke2 {[%emt 0:00:06]} Rg2+ {[%emt 0:00:15]} 46. Kd3 {[%emt 0:00:11]} Rd2+ {[%emt 0:01:40]} 47. Kc3 {[%emt 0:00:05]} Ra2 {[%emt 0:00:13]} 48. a7 {[%emt 0:01:38]} e2 {[%emt 0:02:22]} 49. Re8 {[%emt 0:00:04]} Rxa7 {[%emt 0:01:44]} 50. Rxe2 {[%emt 0:00:07]} Kg3 {[%emt 0:00:23]} 51. h5 {[%emt 0:00:28]} f4 {[%emt 0:00:10]} 52. Re8 {[%emt 0:00:17]} Ra5 {[%emt 0:01:27]} 53. h6 {[%emt 0:00:41]} Ra6 {[%emt 0:00:03]} 54. Rg8+ {[%emt 0:01:23]} Kf3 {[%emt 0:00:09]} 55. Kd2 {[%emt 0:00:24]} Rxh6 {[%emt 0:00:05]} 56. Ke1 {[%emt 0:00:11]} Rh1+ {[%emt 0:00:25]} 57. Kd2 {[%emt 0:00:03]} h5 {[%emt 0:00:11]} 58. Ra8 {[%emt 0:00:43]} h4 {[%emt 0:00:07]} 59. Ra3+ {[%emt 0:00:08]} Kf2 {[%emt 0:00:02]} 60. Ra2 {[%emt 0:00:29]} h3 {[%emt 0:00:10]} 61. Kd3+ {[%emt 0:00:13]} Kf3 {[%emt 0:00:04]} 62. Ra8 {[%emt 0:00:29]} h2 {[%emt 0:00:22]} 63. Kd4 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Varshini, V."]
[Black "Czebe, Attila"]
[Result "*"]
[ECO "B23"]
[WhiteElo "2171"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,17,23,21]} 1. e4 c5 2. Nc3 a6 3. a4 Nc6 4. Nge2 {[%cal Bg1e2,Be2d4,Bd4c6][%mdl 32]} e6 5. d4 cxd4 6. Nxd4 Qc7 7. Be2 Nf6 8. O-O Bb4 9. Nxc6 {LiveBook: 13 Games. B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2} (9. Qd3 O-O 10. Bg5 Bxc3 11. bxc3 Qe5 12. Bxf6 Qxf6 13. a5 e5 14. Nxc6 dxc6 15. Rfb1 Qe7 16. Qe3 Rd8 {½-½ (62) Adams,M (2704)-Macieja,B (2625) Rijeka 2010}) {Predecessor:} 9... dxc6 $146 10. Bd3 e5 11. f4 Ng4 12. Qf3 Qe7 13. g3 exf4 14. gxf4 Bc5+ 15. Kg2 O-O 16. h3 Nf6 {1-0 (31) Zelcic,R (2554)-Papp,T (2286) Oberwart 2012} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Shashikant, Kutwal"]
[Black "Padmini, Rout"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2151"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,98,18,-9,-11,-28,-14,-40,-22,-30,-27,-61,-57,-66,-60,-60,-55,-67,-64,-145,-152,-141,-134,-125,-69,-104,-37,-105,-105,-245,-246,-222,-95,-74,-79,-158,-37,-230,-248,-243,-234,-313,-207,-535,-431,-491,-467,-409,-6,-18,0,0,0,0,0,0,0,0,0,0,56,0,0,0,0,0,0,0,0,0,9,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d5 8. Re1 e6 9. c3 a5 10. a4 {A08: King's Indian Attack} b6 11. exd5 (11. Nb1 Ba6 12. e5 Nd7 13. Bf4 f6 14. exf6 Qxf6 15. Qd2 e5 16. Bg5 Qxf3 17. Bxf3 Rxf3 {1-0 (34) Amin,B (2661)-Grandelius,N (2641) Baku 2016}) 11... exd5 12. Nf1 {LiveBook: 14 Games} Ra7 13. Bf4 $146 ({Predecessor:} 13. h3 Ba6 14. d4 Ne4 15. Be3 Re8 16. N1d2 Rae7 17. dxc5 Nxc5 {1-0 (36) Abtini,H (2014)-Mukhin,A (2188) Al Ain 2013}) 13... d4 14. Ne5 (14. cxd4 {with more complications.} cxd4 15. Rc1 Nb4 16. Rc4 Bg4 17. h3) 14... Nxe5 15. Bxe5 Nd5 16. cxd4 cxd4 17. Bxg7 Kxg7 18. Nd2 Nb4 19. Nc4 Be6 20. Ne5 (20. Rc1 $15) 20... Rc7 $1 $17 21. Rc1 Rxc1 $1 22. Qxc1 Qd6 (22... Qf6 $1 $17 23. Bb7 Re8) 23. Qf4 Bb3 (23... Rd8 $1 $17 {Hoping for ...f6.} 24. Qd2 Bb3) 24. Re4 (24. g4 $1 $15) 24... Rd8 $1 25. Qh4 (25. Qd2 $17 {was worth a try.}) 25... f6 $1 $19 {[%cal Rf6e5]} 26. Nf3 {[%cal Re4d4] [#]} Nc6 ({Don't take} 26... Nxd3 27. Nxd4 Bf7 28. Bf1 $17) ({Not} 26... Bxa4 27. Rxd4 Qf8 28. Qf4 $11) (26... Bd5 $1 $19 {is more deadly.} 27. Rxd4 Qe7) 27. Nd2 $17 Bf7 28. Re2 (28. Re1 $142) 28... g5 (28... Nb4 $17 29. Nf3 g5) 29. Qe4 $2 (29. Qh3 $1 $15) 29... Re8 $19 30. Qf3 {[#]} Ne5 $1 {[%cal Re5f3]} 31. Qe4 Bg6 32. Nc4 $2 (32. Qb7+ Re7 33. Qd5) 32... Nxc4 33. Qb7+ Kf8 34. Rxe8+ Kxe8 $2 (34... Bxe8 $19 35. dxc4 d3) 35. Qc8+ $11 Ke7 36. Qxc4 Qc5 {And now ...Qxc4 would win.} 37. Qa6 $1 Be8 38. Qb7+ Bd7 39. Qe4+ Kd6 40. Qxh7 Bxa4 ({Black should try} 40... Bf5 $11 41. Qh8 Qc1+ 42. Bf1 Bxd3 43. Qd8+ (43. Qxf6+ Kc7 $17) 43... Ke5 44. Qe8+ Kd6 45. Qd8+ Ke5 46. Qe8+ Kd5 47. Qd7+ Ke5 48. Qe7+ Kd5 49. Qd7+ Ke5 50. Qe8+) 41. Be4 (41. Qh8 $1 $14) 41... Bd7 {The position is equal.} 42. Qh6 Ke6 43. h4 gxh4 $1 44. gxh4 a4 45. Qg6 b5 46. Qg8+ Ke7 $1 47. Qg7+ Ke6 48. Qg8+ Ke7 $1 49. Qg7+ Ke6 {Accuracy: White = 28%, Black = 45%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.20"]
[Round "4"]
[White "Shashikant, Kutwal"]
[Black "Padmini, Rout"]
[Result "*"]
[ECO "A05"]
[WhiteElo "2151"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,16,-30,-5]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 c5 6. Nbd2 Nc6 7. e4 d5 8. Re1 e6 {LiveBook: 221 Games} {Predecessor:} 9. c3 $146 b6 10. e5 Nd7 11. d4 a5 12. Nf1 a4 13. a3 Ba6 14. h4 Qc7 15. Bf4 Na5 16. Ne3 Nb3 17. Rb1 cxd4 18. cxd4 Rac8 {1-0 (54) Amin,B (2689)-Movsesian,S (2647) Riadh 2017} *

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Predke, Alexandr"]
[Black "Elgabry, Mohsen"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "2620"]
[BlackElo "2245"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,95,132,123,145,152,175,167,163,163,279,220,275,268,266,262,274,276,270,271,259,253,270,264,341,272,285,235,250,250,245,236,305,298,301,303,295,266,299,303,304,303,290,285,947,986,983,967,1408,1294,2835,3129,29979,2655,29983,29984,29986,29987,29987,29988,29988,29989,29989,29990]} 1. e4 c5 2. Nc3 g6 3. Nf3 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Bc4 Bd7 8. f3 Nf6 9. Qd2 Ne5 10. Bb3 Rc8 11. O-O-O Nc4 12. Bxc4 Rxc4 13. Kb1 O-O 14. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} b5 15. b3 Rc8 16. Ndxb5 a6 {B78: Sicilian Dragon: Yugoslav Attack, 9 Bc4 Bd7 10 0-0-0 Rc8} 17. Nd4 Qc7 18. Nde2 {LiveBook: 12 Games} Bb5 {White is better.} ({Not} 18... Nxg4 $2 19. Nd5 $18) 19. g5 Ne8 $146 {[%cal Rg7c3]} ({Predecessor:} 19... Nd7 20. Nd5 Qd8 21. Nd4 e6 22. Nb4 Bxd4 23. Qxd4 a5 24. c4 axb4 25. cxb5 {1-0 (42) Szczepanski,Z (2423)-Gniazdowski,M (2286) ICCF email 2007}) 20. Nd5 Qb7 21. Bd4 e5 (21... Bxd4 $142 22. Nxd4 Bc4) 22. Bb2 Bc6 23. Nec3 f6 24. h4 {[%cal Bh2h4,Bh4g5][%mdl 32]} fxg5 25. hxg5 Rxf3 26. Qg2 ({Much less strong is} 26. Qh2 $6 Bf8 $18) 26... Rf7 27. Qh3 Bf8 28. Rdf1 {[#] And now Rxf7 would win.} Ra8 29. Bc1 ({Weaker is} 29. Qe6 Ra7 $16) 29... Qd7 {Threatens to win with ...Qxh3.} 30. Qxd7 Bxd7 31. Rxf7 Kxf7 32. Rxh7+ Bg7 33. Nb6 Rd8 34. Nxd7 Rxd7 35. Nd5 Nc7 36. c4 Ne6 37. Be3 Rd8 38. Kc2 Rh8 $2 {[#]} (38... a5 39. Rh2 Rf8) 39. Rxh8 $18 Bxh8 {[%mdl 4096] Endgame KBN-KBN} 40. b4 Bg7 41. b5 axb5 42. cxb5 {[%cal Bc4b5,Bb5b6][%mdl 32]} Ke8 43. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Kd7 44. a5 {White mates.} Nc7 45. Nxc7 Kxc7 46. a6 Bf8 47. b6+ Kb8 48. Kd3 {Precision: White = 95%, Black = 34%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Pantsulaia, Levan"]
[Black "Gokhale, Chandrashekhar"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2597"]
[BlackElo "2198"]
[Annotator "RC"]
[PlyCount "89"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:08:11]} d6 {[%emt 0:00:19]} 2. Nc3 {[%emt 0:00:18]} Nf6 {[%emt 0:00:48]} 3. g3 {[%emt 0:01:06]} e5 {[%emt 0:02:21]} 4. Nf3 {[%emt 0:00:30]} Be7 {[%emt 0:03:13]} 5. d4 {[%emt 0:01:00]} Nbd7 {[%emt 0:00:20]} 6. Bg2 {[%emt 0:00:09]} O-O {[%emt 0:00:14]} 7. O-O {[%emt 0:00:06]} c6 {[%emt 0:00:37]} 8. Qd3 {[%emt 0:06:47]} Qc7 {[%emt 0:02:08]} 9. b3 {[%emt 0:00:46]} Re8 {[%emt 0:00:56]} 10. Bb2 {[%emt 0:01:43]} Bf8 {[%emt 0:01:03]} 11. Nd2 {[%emt 0:00:38]} a5 {[%emt 0:07:15]} 12. e3 {[%emt 0:01:17]} Nb6 {[%emt 0:08:57]} 13. Rac1 {[%emt 0:04:07]} a4 {[%emt 0:13:06]} 14. b4 {[%emt 0:01:09]} a3 {[%emt 0:02:04]} 15. Ba1 {[%emt 0:00:12]} exd4 {[%emt 0:02:53]} 16. Qxd4 {[%emt 0:01:53]} Na4 {[%emt 0:09:39]} 17. Nxa4 {[%emt 0:08:22]} Rxa4 {[%emt 0:00:08]} 18. Qc3 {[%emt 0:00:05]} Qe7 {[%emt 0:03:50]} 19. Qb3 {[%emt 0:01:22]} Ra8 {[%emt 0:00:33]} 20. b5 {[%emt 0:00:20]} Bd7 {[%emt 0:02:05]} 21. Rfd1 {[%emt 0:05:06]} Qe6 {[%emt 0:14:50]} 22. Qb1 {[%emt 0:12:35]} Ng4 {[%emt 0:03:25]} 23. Rc3 {[%emt 0:02:39]} Qh6 {[%emt 0:03:13]} 24. h3 {[%emt 0:01:11]} Nf6 {[%emt 0:03:27]} 25. g4 {[%emt 0:00:19]} Qg6 {[%emt 0:03:27]} 26. bxc6 {[%emt 0:00:55]} Bxc6 {[%emt 0:00:27]} 27. Rb3 {[%emt 0:01:55]} Ba4 {[%emt 0:03:47]} 28. Rxb7 {[%emt 0:03:38]} Bxd1 {[%emt 0:00:09]} 29. Qxd1 {[%emt 0:00:04]} Rab8 {[%emt 0:00:29]} 30. Ra7 {[%emt 0:02:48]} h5 {[%emt 0:01:19]} 31. gxh5 {[%emt 0:01:08]} Qg5 {[%emt 0:00:33]} 32. Rxa3 {[%emt 0:02:46]} Nd7 {[%emt 0:02:00]} 33. Ra7 {[%emt 0:05:38]} Rxe3 {[%emt 0:01:38]} 34. Rxd7 {[%emt 0:04:29]} Rd3 {[%emt 0:00:08]} 35. Bc3 {[%emt 0:00:05]} Rxc3 {[%emt 0:00:38]} 36. Ne4 {[%emt 0:00:04]} Qf5 {[%emt 0:01:22]} 37. Rxf7 {[%emt 0:00:49]} Qxf7 {[%emt 0:00:48]} 38. Nxc3 {[%emt 0:00:06]} Kh8 {[%emt 0:00:04]} 39. Bd5 {[%emt 0:02:07]} Qf4 {[%emt 0:00:23]} 40. Ne4 {[%emt 0:00:29]} Be7 {[%emt 0:00:36]} 41. a4 {[%emt 0:02:20]} Bf6 {[%emt 0:00:43]} 42. Qg4 {[%emt 0:00:26]} Qc1+ {[%emt 0:00:53]} 43. Kg2 {[%emt 0:00:09]} Be5 {[%emt 0:02:09]} 44. Ng5 {[%emt 0:00:21]} Qf4 {[%emt 0:00:23]} 45. Nf7+ {[%emt 0:00:08]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Popov, Ivan"]
[Black "Girish, A. Koushik"]
[Result "1/2-1/2"]
[ECO "C85"]
[WhiteElo "2588"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,2,12,-2,0,-11,0,-11,0,-2,53,51,41,45,60,46,61,45,133,116,106,80,123,117,100,0,54,58,61,54,50,48,50,58,56,19,41,0,54,32,40,0,0,0,0,-12,-12]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 Nd7 {[%cal Bf6d7,Bd7f8,Bf8e6,Be6d4][%mdl 32]} 8. Nc3 {C85: Closed Ruy Lopez: Deferred Exchange Variation} O-O {LiveBook: 16 Games} 9. Be3 Re8 10. Kh1 Bf6 $146 ({Predecessor:} 10... Bd6 11. Nd2 Nf8 12. f4 exf4 13. Bxf4 Ng6 14. Be3 Qh4 15. Bg1 Bg4 {1-0 (65) McShane,L (2664)-Adams,M (2703) London 2018}) 11. h3 Nf8 12. Nh2 g6 (12... Ng6 $11) 13. f4 exf4 $1 14. Bxf4 Ne6 15. Bh6 Nd4 16. Qd2 Bg7 (16... Be5 $14) 17. Bxg7 $16 Kxg7 18. Rf4 Ne6 {[#]} 19. Rf3 $1 Nd4 20. Rf4 Ne6 $1 {[%cal Re6f4]} 21. Rf2 Qg5 22. Qxg5 Nxg5 23. Raf1 {Strongly threatening h4.} Re7 24. h4 Ne6 25. Ne2 c5 {[%cal Bc6c5,Bc5c4][%mdl 32]} 26. g4 h6 ({Black should try} 26... b5 $11) 27. Kg2 b5 28. Kg3 Bb7 {The position is equal.} 29. Nf4 Nxf4 30. Rxf4 c4 {Precision: White = 50%, Black = 36%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Aleksandrov, Aleksej"]
[Black "Saravanan, V.."]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2582"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,91,46,51,-4,45,27,25,17,45,45,50,46,61,62,63,53,71,76,66,23,25,15,49,54,47,45,66,0,0,-45,-42,-91,-90,-88,-95,-64,-25,-39,12,18,10,19,19,21,11,15,45,45,45,45,53,53,53,53,64,54,45,16,39,8,190,190,190,190,190,190,405,404,398,398,29978,29979,29973,29974]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. Nf3 c6 {E90: King's Indian: Classical: Early deviations and 6 h3} 8. Be2 e5 9. d5 cxd5 10. cxd5 Nh5 {LiveBook: 8 Games} 11. a3 $146 ({Better is} 11. O-O $14) ({Predecessor:} 11. O-O Nf4 12. Bc4 f5 13. Re1 g5 14. Nh2 fxe4 15. Nxe4 {½-½ (65) Jakovenko,D (2704)-Kozul,Z (2613) Doha 2016}) 11... Bd7 12. Nd2 Nf4 13. Bf1 f5 14. g3 Ng2+ 15. Bxg2 {aiming for Nf3.} f4 16. Qe2 fxe3 17. Qxe3 h5 18. h4 Rc8 19. Bf1 (19. Qxa7 $2 Nc5 $19) 19... Kh7 20. Nf3 (20. Qxa7 $2 Nc5 $19) 20... Nc5 {Black wants to play ...Bh6.} 21. Ng5+ Kg8 22. Rb1 {Threatens to win with b4.} Bh6 23. Be2 (23. Bg2 $14) 23... Nb3 $11 24. O-O (24. Qxa7 $2 Bxg5 25. hxg5 Nc5 $19) 24... Bh3 25. Rfd1 Nd4 26. f4 Bxg5 27. hxg5 Qb6 (27... exf4 {is interesting.} 28. Qxd4 Qxg5 29. Bf1 Qxg3+ 30. Kh1 Qh4) 28. Kh2 Nxe2 ({Black should play} 28... Bd7 $15 29. Rf1 h4) 29. Qxb6 axb6 30. Kxh3 Nxc3 31. bxc3 {Black must now prevent fxe5.} exf4 $15 {[%mdl 4096] Endgame KRR-KRR} 32. Rd3 Rc4 33. Rxb6 f3 $1 {[%cal Rf3f2] ...f2 is the strong threat.} 34. Rd1 ({Not} 34. Rxd6 $2 f2 $19) 34... Rxe4 35. Rxd6 Kg7 36. Rd7+ Kg8 $1 37. Rxb7 Re3 38. Rb6 Kg7 39. Rf6 Rxc3 $2 {[#]} (39... Rxf6 $11 40. gxf6+ Kxf6) 40. d6 $1 $18 {[%mdl 512] White threatens Rxf8 and mate.} Rd8 41. Re1 Rd3 {[#]} 42. Ree6 $1 f2 $2 (42... Kh8 43. a4 (43. Rxg6 Rxa3 44. Rh6+ Kg8 $18) 43... Rd1) 43. Kg2 f1=Q+ 44. Kxf1 Rxg3 $2 (44... Rd7 $18 45. Rxg6+ Kh7) 45. Re7+ Kh8 46. d7 {Precision: White = 58%, Black = 42%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Deepan Chakkravarthy J."]
[Black "Shashikant, Kutwal"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2543"]
[BlackElo "2151"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,51,24,-8,-7,-14,-19,-15,-19,-12,0,0,0,0,0,-19,0,0,36,24,64,70,66,59,71,73,67,18,35,54,53,37,72,66,147,144,137,131,186,202,302,272]} 1. Nf3 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. a4 {B08: Pirc Defence: Classical System} (6. Be3 a6 7. a4 Nc6 8. d5 Nb8 9. Bd3 e6 10. dxe6 Bxe6 11. Nd4 d5 12. O-O Nc6 13. Nxc6 bxc6 14. Bd4 dxe4 15. Bxe4 Nxe4 16. Bxg7 Qxd1 17. Rfxd1 Nxf2 18. Bxf8 Nxd1 19. Rxd1 Kxf8 {0-1 (59) Andreikin,D (2712)-Artemiev,V (2697) Moscow 2018}) 6... a6 7. Bc4 {LiveBook: 5 Games} Nxe4 8. Nxe4 {[#] And now Nc3 would win.The position is equal.} d5 9. Bd3 dxe4 10. Bxe4 Nd7 {[%cal Bb8d7,Bd7c5,Bc5e6,Be6f4,Bf4d5,Bd5b4][%mdl 32]} 11. O-O c5 12. c3 cxd4 13. Nxd4 {[%cal Bf3d4,Bd4b3,Bb3a5][%mdl 32]} Nc5 14. Bc2 $146 e5 15. Nb3 $36 {[%mdl 2048] [#] Threatens to win with Qxd8. White has some pressure.} Ne6 16. Qxd8 Rxd8 17. Be3 Nf4 18. Rfd1 Be6 19. Na5 Nd5 20. Bg5 Rd7 21. c4 Nb4 22. Be4 Rd4 (22... Rb8 $14) 23. Bxb7 $16 Rb8 24. Be3 Rxd1+ (24... Bf6 $16 25. Bxd4 exd4) 25. Rxd1 $18 Bf6 (25... e4 {was called for.} 26. b3 (26. Bxe4 Bxb2 27. c5 Be5 $16) 26... f5) 26. Bc5 {Precision: White = 75%, Black = 27%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Tran, Tuan Minh"]
[Black "Shyaamnikhil P"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "2541"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,72,36,40,76,52,39,49,105,104,83,92,234,56,44,34,27,12,56,-22,-25,-16,0,-24,-23,-25,-12,-44,-22,-45,-39,-53,-49,-54,-7,-27,-47,-3,0,-291,-302,-243,-259,-330,-327,-567,-569,-550,-560,-616,-616,-604,-594,-664,-656,-630,-610,-648,-638,-674,-674]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b5 5. dxe6 fxe6 6. cxb5 d5 7. Bg5 h6 {E10: Blumenfeld Gambit} 8. Bh4 {LiveBook: 3 Games} Qa5+ $146 ({Predecessor:} 8... Be7 9. e3 O-O 10. Nbd2 Nbd7 11. Be2 Bb7 12. O-O Qe8 13. Qc2 g5 14. Bg3 Nh5 15. Bd3 Nxg3 16. hxg3 {0-1 (34) Evdokimov,A (2558)-Bocharov,D (2602) Khanty-Mansiysk 2013}) 9. Nbd2 Nbd7 {White is slightly better.} 10. e3 g5 ({Better is} 10... Bd6 $14) 11. Bg3 $16 Ne4 12. Bd3 Bg7 (12... Nxg3 $16 {is a better defense.} 13. hxg3 g4) 13. O-O $2 {[#]} ({White must play} 13. Bxe4 $18 dxe4 14. O-O) 13... Nxg3 $14 14. hxg3 O-O 15. Qc2 c4 16. Bh7+ (16. Be2 $1 $14) 16... Kh8 $11 17. Nd4 Qb6 18. a4 Bxd4 19. exd4 Qxd4 20. Bg6 Qg7 21. b3 c3 22. Nf3 e5 {Hoping for ...e4.} 23. Rac1 d4 24. Be4 Rb8 $36 {[%mdl 2048] Black fights for an advantage.} 25. Rfe1 Nc5 26. b4 $2 {[%mdl 8192]} (26. Bg6 $1 $11 {and White has nothing to worry.}) 26... Nxe4 $19 27. Qxe4 Bb7 28. Qxe5 Bxf3 29. gxf3 $2 (29. Qxg7+ Kxg7 30. gxf3) 29... Qxe5 {Black is clearly winning.} 30. Rxe5 {[%mdl 4096] Endgame KRR-KRR} Rfd8 31. Ree1 Rbc8 32. Red1 d3 33. a5 c2 {[#] White must now prevent ...d2.} 34. Rd2 Rc3 35. b6 axb6 36. axb6 Rb8 {Precision: White = 42%, Black = 55%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Karthik Venkataraman"]
[Black "Harikrishnan.A.Ra"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2515"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,77,32,47,41,112,31,48,-8,37,35,41,36,21,25,30,33,30,22,28,35,26,25,34,14,57,43,87,14,28,0,0,0,0,0,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 {[%cal Bc2c3,Bc3d4][%mdl 32]} a6 5. Bxc6 (5. Ba4 Bg7 6. d4 b5 7. Bb3 exd4 8. cxd4 d6 9. h3 Nf6 10. O-O O-O 11. Re1 Bb7 12. Nbd2 Nb4 13. Nf1 {0-1 (33) Hansen,E (2629)-Anand,V (2771) Batumi 2018}) 5... dxc6 6. d4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} exd4 7. cxd4 Bg4 {LiveBook: 4 Games} 8. Qb3 {White is slightly better.} Bg7 (8... Bxf3 $14 9. gxf3 Bg7) 9. Be3 (9. Ne5 $16 Bxe5 10. dxe5) 9... Ne7 {[%cal Bg8e7,Be7c6,Bc6a5,Ba5c4][%mdl 32]} 10. Nc3 ({Better is} 10. Nbd2 $14) 10... Bxf3 11. gxf3 Bxd4 12. O-O-O c5 $146 ({Predecessor:} 12... Bxe3+ 13. fxe3 {1-0 (26) Fressinet,L (2649)-Stevic,H (2579) Batumi 2018}) 13. Ne2 {[%cal Re2d4]} Nc6 14. Qxb7 Na5 15. Qd5 Qxd5 16. exd5 Bxe3+ 17. fxe3 Nc4 18. Nc3 O-O 19. Rhe1 Rfe8 20. Ne4 (20. e4 $16) 20... Kg7 21. Nxc5 Rxe3 {The position is equal.} 22. Rxe3 Nxe3 $11 {[%mdl 4096] Endgame KRN-KRN} 23. Rd3 Nc4 24. Rc3 Nb6 25. Rd3 a5 26. a4 Rd8 27. b3 Rxd5 28. Rxd5 Nxd5 {KN-KN} 29. Nb7 Kf6 30. Kd2 Ke5 31. Nxa5 Kd4 32. Nc6+ Kc5 33. Ne5 Kb4 34. Kc2 Ne3+ 35. Kd3 Nd5 36. Nc6+ Kc5 $1 {[%cal Rc5c6]} 37. Nd8 Kb4 38. Nc6+ Kc5 $1 {[%cal Rc5c6]} 39. Ne5 {Precision: White = 59%, Black = 64%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Deviatkin, Andrei"]
[Black "Safranska, Anda"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2461"]
[BlackElo "2139"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,115,11,33,25,22,23,38,38,43,39,47,37,49,39,41,43,43,43,43,39,46,50,56,38,34,15,21,17,39,27,54,36,55,58,111,113,159,127,134,84,180,195,181,174,190,186,180,178,175,183,184,168,176,158,160,159,158,153,180,182,187,182,181,181,168,164,191,168,185,169,174,85,215,214,304,289,284,278,380,378,479,314,309,307,344,344,304,254,321,304,541,523,472,521,509,506,476,455,5397,5373,1331,1235,1187,1121]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d4 Nf6 7. Bd3 Be7 {LiveBook: 13 Games} 8. Be3 {B11: Caro-Kann: Two Knights Variation} dxe4 9. Nxe4 Na6 $146 ({Predecessor:} 9... Nbd7 10. c3 Nxe4 11. Qxe4 Nf6 12. Qf3 O-O 13. O-O Nd5 14. Rae1 {½-½ (14) Laznicka,V (2634)-Stellwagen,D (2630) Novi Sad 2009}) 10. c3 {White is slightly better.} Nc7 11. O-O O-O 12. Rad1 Ncd5 13. Bc1 Nxe4 14. Qxe4 {[%csl Gd3][%cal Re4h7] [#]} Nf6 15. Qh4 g6 16. Rfe1 Nh5 17. Qg4 Re8 18. Re5 {Black must now prevent Rxh5.} Nf6 19. Qe2 Nd7 20. Re4 Bf6 21. Bc2 Bg7 22. Qf3 Qb6 23. h4 $36 {[%mdl 2048] White is pushing.} Rf8 (23... Qa5 $14) 24. h5 $16 Rae8 25. hxg6 hxg6 26. g3 e5 (26... Nf6 $16) 27. Bb3 $18 Qc7 28. Be3 Nf6 {[#]} 29. Rxe5 $1 Rxe5 30. dxe5 Qxe5 31. Bxa7 Qc7 32. Bc5 Rd8 33. Rxd8+ Qxd8 34. Bd4 Qe7 35. Qe3 Qd7 36. Qg5 Nd5 37. Bxg7 Kxg7 38. Bxd5 cxd5 {[%mdl 4096] Endgame KQ-KQ} 39. Qe5+ Kg8 40. Qd4 Qf5 41. Kg2 Qb1 42. Qb4 (42. b3 $18 {has better winning chances.}) 42... Qxa2 (42... d4 $16) 43. Qxb7 Qc4 (43... Qb1 $142 44. Qb8+ Kh7) 44. Qb8+ Kg7 45. Qe5+ Kg8 46. b4 Qc6 47. Qd4 Qb7 48. Kg1 Kf8 49. Qc5+ Ke8 50. b5 Kd7 51. Kf1 Ke6 $2 (51... Qa8 52. Kg1 Qa1+ 53. Kg2 Qa8) 52. Ke2 {White is clearly winning.} Qa8 53. Qb6+ Kd7 54. Qa6 Qe8+ 55. Kd2 Qe4 (55... Qe5 $142 56. Qc6+ Kd8) 56. Qc6+ Ke7 57. Qc5+ Kd7 58. b6 {Precision: White = 68%, Black = 39%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Nguyen, Van Huy"]
[Black "Paichadze, Luka"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2450"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,0,0,0,0,0,7,5,7,0,6,0,15,0,5,0,20,4,39,37,25,37,33,0,0,0,0,0,0,0,0,0,0,0,3,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 O-O 7. O-O a5 8. Qc2 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Bxd2 (8... c5 9. Rd1 cxd4 10. Nxd4 Bxg2 11. Kxg2 Qc7 12. b3 Rc8 13. Bb2 Qb7+ 14. N4f3 Be7 15. Rac1 d5 {½-½ (107) Sakaev,K (2580)-Predke,A (2613) Yaroslavl 2018}) 9. Bxd2 Be4 10. Qc3 d6 {LiveBook: 11 Games} 11. Rfd1 Nbd7 12. Bg5 $146 ({Predecessor:} 12. Qe3 Re8 13. Bc3 Qc8 14. Bh3 Qb7 15. Rac1 a4 {0-1 (62) Rajkovic,D (2368)-Lajthajm,B (2441) Veliko Gradiste 2015}) 12... h6 13. Bxf6 Nxf6 14. Ne1 Bxg2 15. Nxg2 Qe7 16. Qf3 c5 17. Ne3 Rab8 18. a4 d5 19. cxd5 Nxd5 20. Nxd5 exd5 21. dxc5 bxc5 {The position is equal.} 22. Rxd5 Rxb2 23. Rc1 Rxe2 24. Rcxc5 Ra2 25. Re5 Qd7 26. Rxa5 Rxa4 27. Rxa4 Qxa4 {Precision: White = 32%, Black = 60%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Lugovskoy, Maxim"]
[Black "Akash G"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2445"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,87,-19,-25,-28,-33,-54,-54,-103,-90,-93,-100,-98,-90,-90,-95,-87,-62,-102,-50,-46,-44,-60,0,0,29,0,58,64,55,-54,0,-2,0,-3,0,-18,10,0,0,-18,35,0,220,220,223,218,222,222,568,530,530,468,452,455,632,630,784,783,776,707,769,739,710,689]} 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 {B22: Sicilian: 2 c3} Bg4 11. Be3 Nxb3 12. Qxb3 Bxf3 13. gxf3 g6 $1 {LiveBook: 15 Games} 14. O-O-O Bg7 {[#]} 15. d6 $146 ({Predecessor:} 15. Kb1 O-O 16. Ne4 Qc7 17. Rd3 Rfc8 {1-0 (34) Pavasovic,D (2598)-Saric,A (2514) Nova Gorica 2009}) 15... exd6 16. Ne4 O-O 17. Rxd6 Qc8+ 18. Kb1 Nc4 19. Rc1 b5 $1 20. Rd5 a6 21. Qd3 Qh3 (21... Qe6 $17 22. Rd1 Rac8) 22. Bc5 $15 Rfc8 23. Rd7 Qf5 ({Black should play} 23... h6 $1 $15) 24. Be7 $11 h6 25. Nf6+ (25. b3 $5 {[%cal Rb3c4]}) 25... Kh8 (25... Bxf6 $11 26. Qxf5 gxf5 27. Bxf6 Rc6 28. Rg1+ Kf8 29. Be7+ Ke8) 26. Qxf5 $14 gxf5 27. Rg1 {[#]} (27. b3 $1 $14 Na3+ 28. Bxa3 Rxc1+ 29. Bxc1 Bxf6 30. Rxf7) 27... Nb6 (27... e4 $1 $15 {[%mdl 512]} 28. fxe4 Rc6) 28. Rb7 $40 {[%mdl 128] White attacks.} Rc6 29. Nh5 Rg8 30. a3 Nc4 31. Bb4 a5 32. Bc3 Nxa3+ ({Better is} 32... Bf8 $1 $11 33. Rxg8+ Kxg8) 33. Ka2 b4 $2 {[#]} (33... Nc4 $11) 34. Rxg7 $18 Rxg7 35. Bxe5 f6 36. Rxg7 Nc4 $2 (36... fxe5 {is more resistant.} 37. bxa3 Rc2+ 38. Kb1 Rxf2) 37. Bf4 {White is clearly winning.} a4 38. Re7 b3+ 39. Kb1 a3 40. bxa3 b2 41. Rc7 Nxa3+ 42. Kxb2 Nc4+ 43. Kc3 Ne5+ 44. Rxc6 {Precision: White = 57%, Black = 26%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Laxman, R.R."]
[Black "Kumar, Gaurav"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2421"]
[BlackElo "2128"]
[Annotator "TA"]
[PlyCount "152"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,152,36,40,24,24,28,36,40,26,0,33,15,47,40,51,49,58,-10,16,21,16,24,15,22,16,29,37,9,12,0,75,24,53,45,97,103,139,131,150,157,142,100,133,135,139,136,125,102,178,178,178,166,170,163,193,193,193,186,186,186,186,183,212,204,208,204,231,212,200,188,206,201,315,308,345,336,313,242,324,333,339,324,379,379,379,379,1101,972,925,735,5265,3613,29975,29976,29976,29977,29977,29978,29978,29979,29983,29979,29981,29978,29978,29976,29978,29979,29981,29982,29982,29983,29983,29980,29982,29983,29983,29983,29983,29982,29982,29982,29984,29985,29985,29986,29986,29987,29986,29987,29990,29991,29991]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Bd7 8. Qe2 {E04: Open Catalan: 5 Nf3} Bd6 9. Rd1 O-O 10. Qxc4 Rb8 11. Nbd2 Qe7 {LiveBook: 7 Games} 12. Qe2 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 {[#]} 15. Nf3 $146 ({Predecessor:} 15. Nc4 Ba4 {½-½ (45) Matlakov,M (2730)-Sebenik,M (2534) Heraklio 2017}) 15... Ba4 16. Re1 Ne4 17. Qc4 Nc5 18. e4 {And now Be3 would win.} Bb5 19. Qb4 (19. Bg5 $14 Qd6 20. Qc2) 19... Rfe8 20. a4 Bc6 21. Bg5 Qf8 22. Nxe5 Rxe5 23. Bf4 Ree8 24. Qc4 Rbd8 25. Bg5 $36 {[%mdl 2048] White is pushing.} Rb8 (25... Rd7 $11) 26. f3 (26. Bd2 $16) 26... a5 27. Bd2 Bd7 ({Black should try} 27... Qd6 $14) 28. b4 $16 Na6 {[%cal Ra5b4]} 29. bxa5 Qc5+ 30. Qxc5 Nxc5 31. Bf4 Rec8 32. Red1 {Hoping for Rd5.} Be8 33. Bh3 Ne6 34. Rdb1 Ra8 (34... Bc6 $16) 35. Rxb7 Rxa5 36. Bxe6 $1 fxe6 37. Bxc7 Bc6 {Black wants to play ...Raa8.} 38. Bxa5 Bxb7 $18 {[%mdl 4096] Endgame KRB-KRB} 39. Bb4 Ba6 40. a5 Rb8 41. Bc3 Rb3 {[#]} 42. Rc1 $1 Ra3 43. h4 Ra2 44. Rd1 Be2 45. Rd8+ Kf7 46. Kf2 Rc2 (46... Ba6+ $142 47. Ke3 Ra3) 47. Be5 Bb5+ 48. Ke3 Ra2 49. Bc3 Rc2 50. Rc8 e5 {[%csl Gb5][%cal Rc2e2]} 51. Rc7+ Ke6 {[%csl Gb5][%cal Rc2e2] [#]} 52. Bxe5 $1 {[%mdl 512]} Rxc7 (52... Kxe5 53. Rxc2) 53. Bxc7 {KB-KB} g6 $2 (53... h5 54. g4 hxg4 55. fxg4 g6) 54. Bb6 Ba6 55. g4 h6 56. h5 g5 57. f4 {White mates.} gxf4+ 58. Kxf4 Bd3 59. Be3 Kf6 60. e5+ Kg7 61. Kf3 Bc4 62. Bc5 Kf7 63. Ba3 Kg8 64. Bc1 Kg7 65. Ke4 Be2 66. Kf4 Bc4 67. Kg3 Kh7 68. Kh4 Kg7 69. Bd2 Kh7 70. Bc3 Kg8 71. g5 hxg5+ 72. Kxg5 Kf7 73. h6 {[%cal Bh5h6,Bh6h7][%mdl 32]} Bd3 74. e6+ Kxe6 {[#]} 75. a6 $1 Bxa6 76. h7 Kd5 {Precision: White = 72%, Black = 38%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Czebe, Attila"]
[Black "Manik, Mikulas"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2418"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "30"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,30,0,0]} 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f4 Nf6 5. Nf3 {[%cal Bg1f3,Bf3g5,Bg5e6][%mdl 32]} c5 6. Bb5+ Bd7 7. e5 Ng4 8. e6 fxe6 9. Ng5 Bxb5 10. Nxe6 Bxd4 11. Nxd8 Bf2+ 12. Kd2 Be3+ 13. Ke1 Bf2+ {[#]} 14. Kd2 $146 Be3+ 15. Ke1 Bf2+ {LiveBook: 81 Games. B09: Pirc Defence: Austrian Attack} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Muthaiah AL"]
[Black "Megaranto, Susanto"]
[Result "1-0"]
[ECO "A47"]
[WhiteElo "2406"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,39,44,52,43,72,72,79,68,82,58,107,113,145,103,191,122,293,310,408,427,407,425,352,368,395,409,882,882,912,879,845,796,2162,2071,2054,2054,1853,1761,2865,2664,2344,1721,1825,1781]} 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 c5 5. c4 cxd4 6. Qxd4 Nc6 7. Qf4 g6 8. O-O Bg7 9. Nc3 O-O 10. Rd1 {LiveBook: 6 Games. A30: Symmetrical English: Double Fianchetto and Hedgehog} d6 (10... Rc8 11. b3 d6 12. Bb2 Qd7 13. Rac1 Rfd8 14. Qh4 Qg4 15. Qxg4 Nxg4 16. h3 Nge5 17. Nxe5 Bxe5 {0-1 (64) Maletin,P (2567)-Andreikin,D (2723) Novosibirsk 2012}) 11. Qh4 Na5 12. Bh6 {White is better.} Qc8 $146 ({Predecessor:} 12... Rc8 13. b3 Rc5 14. Ng5 Bxg2 15. Kxg2 Qa8+ 16. f3 Re5 17. e4 Rc8 18. Bxg7 Kxg7 {1-0 (34) Delithanasis,D (2201)-Galanos,D (2173) Athens 2010}) 13. Nd5 Bxd5 $1 14. cxd5 Bxh6 15. Qxh6 Qf5 16. Bh3 $36 {[%mdl 2048] White has strong initiative.} Qe4 (16... Qc2 $16) 17. Kf1 ({White should try} 17. Nd4 $18) 17... Nb7 $2 (17... Qb4 $16 {was necessary.}) 18. Rac1 $1 $18 {[%cal Ba1c1,Bc1c4,Bc4b4][%mdl 32] aiming for Rd4.} Qa4 19. Rd4 $1 {[%cal Rd4a4,Bd1d4,Bd4f4,Bf4f6][%mdl 32]} Qxa2 20. Ng5 $1 {[%cal Rg5h7] And now Nxh7! would win.} Qxb2 {[#]} 21. Rcc4 $1 Na5 22. Rb4 Nb3 {[#]} (22... Qc1+ $142 23. Kg2 Nc6) 23. Rf4 $1 {White is clearly winning.} Nd2+ 24. Kg2 {[%cal Bf1g2,Bg2g3,Bg3h4][%mdl 32] White threatens Rxf6 and mate.} Qa1 25. g4 {White wants to mate with Rxf6!} Rfc8 {[#]} 26. Rxf6 $1 {[%mdl 512]} Qf1+ (26... Qxf6 27. Qxh7+) 27. Kg3 Rc3+ 28. e3 Rxe3+ 29. fxe3 Qg1+ 30. Bg2 Qxe3+ 31. Kh4 {Precision: White = 77%, Black = 25%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Harshavardhan G B"]
[Black "Stupak, Kirill"]
[Result "1/2-1/2"]
[ECO "A50"]
[WhiteElo "2275"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,55,58,67,64,72,56,82,81,89,85,82,66,77,25,51,55,42,35,45,-7,-7,0,0,-2,32,23,35,0,0,10,32,34,25,-39,-43,-47,-43,-40,0,0,0,0,0,0,0,0,0,0,0,0,42,34,119,108,110,0,0,0]} 1. d4 Nf6 2. c4 b6 3. f3 Nc6 4. Nc3 e5 5. d5 Na5 6. e4 {LiveBook: 4 Games. A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} Bc5 $146 ({Predecessor:} 6... Bb4 7. Bd2 O-O 8. a3 Be7 9. Bd3 Ne8 10. Nge2 Bg5 11. b4 Bxd2+ 12. Kxd2 {½-½ (56) Ivanisevic,I (2633)-Jurcik,M (2481) Yerevan 2014}) 7. a3 Nb7 8. b4 {White is better.} Bd4 9. Nge2 c5 10. Nxd4 cxd4 11. Ne2 a5 {Threatening ...axb4.} 12. Bb2 (12. Bd2 $16) 12... Nh5 13. h4 Qf6 14. Qd2 Nd6 15. Rc1 (15. Qg5 $14) 15... axb4 $11 16. axb4 Ra2 17. c5 $1 {[%cal Rc5d6]} Nb7 18. cxb6 O-O 19. Ra1 Rxa1+ 20. Bxa1 Qxb6 21. g4 $1 {[%cal Rg4h5]} Nf6 22. Ng3 ({White should try} 22. Nxd4 $1 $11 exd4 23. Bxd4) 22... Nd6 $15 23. g5 Nfe8 {aiming for ...f5.} 24. f4 $1 {[%cal Rf4e5]} exf4 25. Bxd4 Qb7 26. Qxf4 {Threatens to win with Bc5.} Qxb4+ 27. Qd2 Qb1+ 28. Qd1 Qb4+ 29. Qd2 $1 {[%cal Rd2b4]} Qb1+ 30. Qd1 Qb8 31. e5 Qb4+ {[#]} (31... Nc4 $1 $14) 32. Qd2 $1 $16 {[%cal Rd2b4]} Qb1+ {[#]} 33. Qd1 (33. Kf2 $1 $16 Ne4+ 34. Nxe4 Qxe4 35. Bg2) 33... Qb4+ $11 34. Qd2 {Precision: White = 59%, Black = 54%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Kurbonboeva, Sarvinoz"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2214"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,56,8,37,33,43,4,26,39,51,0,10,-23,31,15,27,31,29,25,35,37,38,36,30,30,50,50,50,46,43,41,60,49,52,19,22,15,8,0,0,0,169,13,35]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. Nc3 c6 9. Bf4 dxc4 10. e4 Re8 11. a4 b6 12. d5 exd5 13. exd5 Bb7 14. a5 bxa5 15. d6 Bf8 16. Nd2 Nd5 17. Nxd5 cxd5 18. Nxc4 dxc4 19. Bxb7 {½-½ (42) Nakamura,H (2777)-Karjakin,S (2773) Saint Louis 2018}) 6. Bg2 {E01: Catalan: Early deviations} c6 7. Qc2 Nbd7 8. O-O Ne4 {LiveBook: 3 Games} 9. Nc3 f5 10. c5 Bc7 11. Bf4 O-O 12. b4 $146 (12. e3 $14) ({Predecessor:} 12. Bxc7 Qxc7 13. Nxe4 fxe4 14. Ng5 Nf6 15. f3 h6 16. Nh3 exf3 17. Rxf3 e5 18. e3 e4 19. Rf2 Bd7 20. Raf1 {½-½ (19) Veloso,J-Zuzek,T Argentina 1977}) 12... b6 13. Nxe4 Bxf4 (13... fxe4 $11 14. Ng5 Nf6) 14. Nf6+ $14 gxf6 15. gxf4 a5 16. a3 Qc7 17. e3 Ba6 18. Rfb1 axb4 19. axb4 Bb5 20. Bf1 Bxf1 21. Kxf1 Qb7 22. Ne1 Rxa1 23. Rxa1 Ra8 24. Rxa8+ Qxa8 25. cxb6 Nxb6 26. Qc5 Qa6+ 27. Kg2 Nc8 $2 {[#]} (27... Nc4 $1 $11 {and Black stays safe.}) 28. Nf3 $2 ({White must play} 28. Qa5 $18 Qb6 29. Nd3) 28... Qb5 {Accuracy: White = 43%, Black = 52%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Samant Aditya S"]
[Black "Rozum, Ivan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2205"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,20,27,26,31,21,32,31,41,31,38,34,37,12,42,21,21,26,26,21,33,15,15,15,17,10,23,14,88,44,44,44,44,44,45,16,18,7,0,3,53,54,52,0,29,0,53,0,53,53,52,54,53]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 c6 5. Nf3 Bf5 6. Bc4 {B01: Scandinavian Defence} (6. Be2 e6 7. O-O Nd7 8. Bf4 Be7 9. Qd2 Ngf6 10. Rad1 O-O 11. Bg3 Nb6 12. Qc1 Nbd5 13. Nb1 {1-0 (49) Jakovenko,D (2710)-Levin,E (2532) Sochi 2017}) 6... e6 7. O-O Nd7 {LiveBook: 3 Games} 8. Qe2 {White has an edge.} Be7 9. Bb3 Bg4 $146 ({Predecessor:} 9... Ngf6 10. Re1 O-O 11. h3 h6 12. Bf4 Bb4 {½-½ (27) Bolt,G (2100)-Hempson,P (2144) Paington 2006}) 10. h3 Bxf3 11. Qxf3 Ngf6 12. Ne2 O-O 13. Nf4 Nd5 14. c3 Bg5 15. Nd3 Bxc1 16. Raxc1 Qf6 17. Qxf6 (17. Qe4 {is interesting.} a5 18. Bc2 g6 19. a4 h5 20. g3) 17... N5xf6 18. f4 g6 19. Bd1 Ne4 20. Re1 f5 (20... Nd6 $11) 21. Nf2 Nxf2 $1 22. Kxf2 Kf7 23. Bb3 Rfe8 24. Re2 Nf6 25. Rce1 {[%cal Re2e6]} Ne4+ 26. Kf3 Rad8 27. Bc2 $36 {[%mdl 2048] White has good play.} Nf6 28. Bb3 {[%cal Rb3e6]} Ne4 29. Bc2 Nf6 $1 30. Bb3 (30. g4 $14) 30... Rd6 (30... Ne4 $11) 31. g4 $14 Nd7 32. g5 b5 {Accuracy: White = 38%, Black = 56%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Senthil Maran K"]
[Black "Erigaisi Arjun"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2183"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,27,-4,6,0,6,-2,10,0,0,0,13,-13,0,0,0,0,0,-10,0,0,0,0,3,20,64,66,154,55,49,13,54,0,30,0,14,-75,-93,-64,-81,-83,-18,-23,-12,-50,0,0,0,-54,18,-62,-47,-110,-111,-110,-119,-117,-114,-121,-103,-109,-109,-121,-116,-624,-629,-578,-571,-29999]} 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 g6 5. O-O Bg7 6. c4 O-O 7. Nc3 Ne4 8. Bd2 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} c5 (8... e6 9. Nxe4 Bxe4 10. Bc3 c5 11. Rc1 Nc6 12. e3 Qc7 13. Qd2 Qb7 14. Ne1 cxd4 15. exd4 Ne7 {½-½ (43) Lenic,L (2662)-Vachier Lagrave,M (2789) chess.com INT 2018}) 9. e3 {LiveBook: 7 Games} d6 10. Rc1 {The position is equal.} Nd7 11. d5 Nxd2 12. Qxd2 a6 $146 ({Predecessor:} 12... Ne5 13. Nxe5 Bxe5 14. f4 Bg7 15. e4 Ba6 16. b3 Rb8 {1-0 (45) Radulov,I (2359)-Ziltener,W (2042) Saint Vincent 2002}) 13. a4 Qc7 14. e4 Ne5 15. Nxe5 Bxe5 16. f4 Bd4+ 17. Kh1 e6 18. f5 exf5 19. exf5 Rae8 20. Ne4 f6 21. fxg6 Re7 (21... hxg6 $14 22. Qh6 Qg7 23. Qxg7+ Kxg7) 22. gxh7+ (22. Qh6 $16) 22... Rxh7 $14 23. Rf4 Be5 24. Rf3 Bc8 25. Rcf1 Qg7 26. Ng5 (26. Rb3 $11) 26... Qh6 $17 {[%csl Gh7][%cal Rh6h2][%mdl 1024] [#] Black has strong compensation.} 27. h3 Rff7 28. Ne4 Qg6 (28... Qxd2 $17 29. Nxd2 Bg4) 29. Nf2 $1 $11 Rfg7 30. Kg1 Bd4 {And now ...Bxh3 would win.} 31. Qf4 Be5 ({Better is} 31... Bxh3 $11 32. Qxd6 Bd7) 32. Qd2 $1 $15 Bd7 (32... f5 $15) 33. b3 (33. Nd3 $1 $11 Bd4+ 34. Kh2) 33... Rh6 34. g4 ({White should try} 34. a5 $15 Bd4 35. Kh2 (35. axb6 Bxh3 36. b7 Rxb7 $15)) 34... f5 $17 {[%cal Rf5g4]} 35. Nd3 Bd4+ 36. Kh1 {[%cal Rg4f5]} Qxg4 $1 37. Nf4 Be5 38. Ne6 {[#]} Bxe6 $1 {[%mdl 512]} 39. dxe6 f4 $40 {[%mdl 128] Black wants a kill.} 40. Rxf4 $2 {[%mdl 8192]} (40. e7 $17 Rxe7 41. Qd5+ Kh8 42. Qa8+ Qg8 43. Rd3) 40... Bxf4 $19 41. Rxf4 Rxh3+ 42. Bxh3 Qg1# {Precision: White = 32%, Black = 38%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Michelle Catherina, P."]
[Black "Gajek, Radoslaw"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2175"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,114,64,66,82,81,87,79,112,89,93,70,97,86,100,69,86,72,179,171,169,95,103,39,36,30,36,0,0,-134,-127,-126,-97,-100,-104,-134,-117,-109,-68,-69,-41,-37,-50,-49,-43,-29,-30,-40,-48,-52,-32,-126,-124,-119,-109,-125,-108,-135,-129,-248,-193,-191,-175,-189,-181,-183,-171,-235,-231,-233,-226,-227,-242,-291,-221,-261,-209,-485,-272,-270,-266,-273,-228,-228,-232,-235,-197,-231,-199,-357,-351,-409,-383,-1192,-1160,-1084,-870]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 b6 8. Be3 Bb7 {B41: Sicilian: Kan Variation: 5 c4} 9. f3 Nc6 10. b4 Ne5 11. Rc1 {LiveBook: 7 Games} h5 $146 ({Predecessor:} 11... Be7 12. Be2 Ng6 13. Nb3 Bd6 14. Bxb6 Qxb6 15. c5 Bxc5 16. bxc5 {1-0 (40) Kobalia,M (2679)-Bocharov,D (2580) Taganrog 2011}) 12. Be2 Ng6 13. Qd2 Rb8 14. Nb3 d6 15. Na4 Nd7 16. O-O Be7 17. c5 bxc5 18. bxc5 {Threatens to win with Rfd1.} Ba8 (18... O-O $16) 19. Rfd1 $1 $18 {[%cal Rc5d6]} d5 {[#]} 20. Nb6 (20. c6 $1 $18 {[%cal Rc6d7]} Rxb3 21. cxd7+ Qxd7 22. Nc5 Bxc5 23. Bxc5) 20... Nf6 21. exd5 ({White should play} 21. e5 $16 Qxe5 22. Bxa6) 21... Nxd5 $14 22. Bxa6 {Black must now prevent Bb5+.} O-O $1 23. Bd4 Rfd8 24. Qb2 (24. Bf1 $11 {keeps the balance.}) 24... Bg5 $17 25. Rb1 Nxb6 26. cxb6 Rxb6 27. Be2 Rbb8 {And now ...Bd5 would win.} 28. Qc3 Qxc3 (28... Qe7 {is more complex.} 29. a4 Bf4 30. Bf2 Rdc8 31. Nc5 Rxb1 32. Rxb1 Bd6) 29. Bxc3 Nf4 30. Rxd8+ $1 Rxd8 31. Bb5 Rb8 $36 {[%mdl 2048] Black has some pressure.} 32. Bf1 Bd5 33. Bb4 Ng6 34. Kh1 h4 35. Nc5 {[#]} (35. h3 $1 $15) 35... h3 $1 {[%mdl 512]} 36. Ne4 (36. gxh3 f5) 36... hxg2+ 37. Kxg2 Be3 38. Re1 Bd4 39. Bd6 (39. Be2 $17) 39... Nh4+ 40. Kh3 Nxf3 41. Bxb8 Nxe1 42. Nd2 Bc6 43. Bg3 (43. Nc4 {was called for.}) 43... Nc2 $19 44. Bd6 Ne3 45. Bd3 f5 46. Nc4 Ng4 47. Kg3 Nf2 48. Be5 $2 {[#]} (48. Bc2) 48... Bc5 (48... Nxd3 49. Bxd4 f4+ 50. Kg4 $15) (48... f4+ $142 $1 {[%mdl 512]} 49. Bxf4 Nxd3) 49. Bc2 Bd5 50. Bd6 Ba7 ({Weaker is} 50... Bxc4 51. Bxc5 Bd3 52. Bxf2 $15) 51. Ne5 g5 {[%csl Gg5][%cal Rf5f4]} 52. h3 f4+ 53. Kh2 Ne4 54. Be7 $2 (54. Bb4 {was necessary.}) 54... Nd2 {[%cal Rd2f1]} 55. Bd3 Bd4 56. Ng6 $2 (56. Bb4) 56... Nf3+ 57. Kg2 Ne1+ {Precision: White = 42%, Black = 67%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Srihari L"]
[Black "Nitin, S.."]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "2167"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,-31,-26,-39,-35,-47,-39,-36,-39,-69,-67,-40,-22,-22,-22,-22,-31,-35,-16,-9,-18,-14,-16,-18,-15,-94,0,-15,0,-47,-16,-19,-9,-9,-9,-12,-11,-11,-17,-44,-44,-42,-42,-27,0,0,83,81,67,23,23,23,23,23,24,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,65]} 1. e4 c5 2. b3 g6 3. Bb2 Nf6 4. e5 Nd5 5. h4 (5. Qf3 Nb4 6. Na3 Bg7 7. e6 f6 8. c3 N4c6 9. Qe3 dxe6 10. Qxc5 {½-½ (41) Morozevich,A (2665)-Andreikin,D (2712) Moscow 2018}) 5... Bg7 {LiveBook: 11 Games} 6. Nf3 {B20: Sicilian: Unusual White 2nd moves} d6 7. Bb5+ Nc6 8. Bxc6+ $146 {Black is slightly better.} ({Predecessor:} 8. Qe2 Bg4 9. Qe4 Bxf3 10. gxf3 dxe5 11. Bxe5 f6 {½-½ (30) Horvath,I (2317)-Fusthy,Z (2267) Hungary 2000}) 8... bxc6 9. Na3 O-O 10. Nc4 f6 11. exd6 exd6 12. O-O Bg4 13. Ne3 Qd7 14. Nxg4 Qxg4 15. g3 a5 16. a4 Rfe8 17. d3 {[#]} (17. Re1 $11 {keeps the balance.}) 17... Nb4 (17... Nf4 $1 $17 18. Nh2 Qxd1 19. Raxd1 Nd5) 18. Kg2 $11 Nd5 {[%cal Bb4d5,Bd5f4,Bf4e2][%mdl 32]} 19. Kg1 Bh6 20. c4 Nf4 21. Nh2 $1 $132 {[%cal Rh2g4][%mdl 2048] White is not keeping still} Qxd1 22. Raxd1 Ne2+ 23. Kg2 f5 24. Rfe1 Bg7 25. Bxg7 Kxg7 26. Nf3 Nc3 27. Rc1 {[#] Threatens to win with Rxe8.} Rxe1 (27... Ne2 $11 {remains equal.} 28. Rb1 Re6) 28. Rxe1 {[%mdl 4096] Endgame KRN-KRN} Rb8 29. Re6 Rxb3 30. Rxd6 Nxa4 31. Rd7+ Kf6 {next ...Nb2 is good for Black.} 32. Ng5 {Threatening mate with f4.} h6 {The position is equal.} 33. Nh7+ Ke6 34. Nf8+ Kf6 35. Nh7+ Ke6 36. Nf8+ Kf6 37. Nh7+ Ke6 38. Nf8+ Kf6 39. Nh7+ Ke5 {Precision: White = 66%, Black = 56%.} (39... Ke6 $11 40. Nf8+) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "5"]
[White "Ramakrishna, J.."]
[Black "Rajesh, V A V"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2146"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,120,-5,29,0,48,21,43,33,42,25,62,27,32,27,31,22,28,27,35,40,41,30,35,0,0,3,6,7,9,2,2,-12,-16,-53,-60,-47,-53,-27,-16,-58,-44,-45,-50,-49,-31,-43,-49,-67,-43,-159,-155,-199,-55,-48,0,-7,0,0,0,0,-8,0,0,-60,-8,-8,0,0,0,-71,-67,-75,-68,-77,-69,-156,-148,-155,-154,-167,-177,-144,-52,-85,-72,-70,0,0,0,0,0,0,31,38,66,46,76,0,0,0,0,0,0,0,0,0,0,0,0,0,8]} 1. c4 Nf6 2. Nc3 e5 3. e3 Bb4 4. Nge2 O-O 5. a3 Be7 6. d4 {A22: English Opening: 1...e5 2 Nc3 Nf6} (6. Nd5 c6 7. Nxe7+ Qxe7 8. d4 d5 9. cxd5 Nxd5 10. dxe5 Qxe5 11. Qd4 Nd7 12. e4 N5f6 13. f3 c5 {½-½ (73) Laznicka,V (2647)-Harikrishna,P (2744) Riadh 2017}) 6... d6 {LiveBook: 4 Games} 7. Ng3 c6 8. Be2 $146 {White is slightly better.} ({Predecessor:} 8. Bd3 Re8 9. O-O Nbd7 10. b4 Nf8 11. Bb2 Ng6 12. Nce4 exd4 13. Bxd4 {½-½ (24) Stoma,P (2326)-Popilski,G (2500) Warsaw 2014}) 8... a5 9. O-O Na6 10. b4 Be6 11. d5 cxd5 12. cxd5 Bd7 13. Rb1 axb4 14. axb4 Qc7 15. Bd2 Rfc8 16. Qb3 g6 17. f4 exf4 18. exf4 Qb6+ 19. Kh1 Qd4 20. Be1 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 21. f5 h4 22. Bxa6 Rxa6 23. Nge2 Qc4 24. fxg6 fxg6 25. Qc2 Bf5 $1 {[%cal Rf5c2]} 26. Rxf5 gxf5 27. Qxf5 Qg4 28. Qd3 $1 Ra3 29. h3 Qh5 $1 30. Qb5 (30. Rc1 $15) 30... Qf5 $1 $17 31. Nd4 Qh7 (31... Qg6 $19 32. Rc1 Nh5) 32. Rc1 $15 Bf8 {Hoping for ...Ne4.} 33. Qe2 $1 $132 {[%cal Re2e6][%mdl 2048] White is not keeping still} Re8 34. Ne6 Bh6 35. Rd1 $1 Qf5 36. Qc4 $1 Qh5 37. Rb1 (37. Qd4 $1 $11 Qf5 38. Qxh4 (38. Bxh4 Nxd5 39. Nxd5 Rxe6 $11)) 37... Qg6 (37... Rea8 $1 $15) 38. Rd1 $11 Nh5 39. Nb5 Re3 {[%cal Ba3e3,Be3e4,Be4b4][%mdl 32] Strongly threatening ...Nf4!} 40. Qxh4 (40. Nxd6 $11 Nf4 41. Qf1) 40... Re4 $1 $17 {[%cal Re4h4]} 41. Qf2 $1 {[%cal Rf2f3] [#] White wants to play Qf3.} (41. g4 Qf7 $19) 41... Bf4 $1 42. Qf3 Be5 43. Bf2 (43. Nc3 $15 Rxb4 44. Ne2) 43... Rxb4 44. Nbd4 {[#]} Rb1 $1 45. Kg1 Nf6 {aiming for ...Qe4.} 46. g4 Bxd4 ({Better is} 46... Qe4 $17 47. Rxb1 Qxb1+ 48. Kg2 Ra8) 47. Nxd4 $15 Rxd1+ 48. Qxd1 Qe4 ({Black should try} 48... Ne4 $15 49. Nf5 Re5) 49. Nf5 {And now Qc1 would win.} Qxd5 50. Qc1 {Qg5+ is the strong threat.} Re6 ({Wrong is} 50... Re2 $2 51. Qg5+ Kf7 52. Qg7+ Ke8 53. Qxf6 $18) 51. Qc7 {[%csl Gf5][%cal Rc7g7]} Ne8 52. Ne7+ {[#]} Rxe7 $1 {[%mdl 512]} 53. Qxe7 Ng7 54. h4 (54. Bg3 $16) 54... Qd1+ $11 {The position is equal.} 55. Kh2 Qxg4 56. Qxb7 Qe2 57. Qg2 Kh7 58. Bd4 Qxg2+ 59. Kxg2 Nf5 60. Bf2 Nxh4+ {Precision: White = 47%, Black = 58%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Rozum, Ivan"]
[Black "Varga, Klara"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2589"]
[BlackElo "2244"]
[Annotator "ChessBase"]
[PlyCount "47"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. c4 {[%emt 0:10:32]} Nf6 {[%emt 0:00:08]} 2. Nc3 {[%emt 0:00:06]} e6 {[%emt 0:00:52]} 3. e4 {[%emt 0:00:48]} d5 {[%emt 0:00:59]} 4. cxd5 {[%emt 0:00:11]} exd5 {[%emt 0:00:03]} 5. e5 {[%emt 0:00:06]} d4 {[%emt 0:02:19]} 6. exf6 {[%emt 0:01:20]} dxc3 {[%emt 0:00:04]} 7. Bb5+ {[%emt 0:01:11]} c6 {[%emt 0:00:47]} 8. Qe2+ {[%emt 0:00:06]} Be6 {[%emt 0:01:07]} 9. Bc4 {[%emt 0:00:10]} cxd2+ {[%emt 0:06:30]} 10. Bxd2 {[%emt 0:00:23]} Qxf6 {[%emt 0:00:09]} 11. Bc3 {[%emt 0:02:51]} Qg6 {[%emt 0:00:39]} 12. Nf3 {[%emt 0:01:22]} Be7 {[%emt 0:03:28]} 13. Bxe6 {[%emt 0:03:15]} fxe6 {[%emt 0:06:28]} 14. O-O {[%emt 0:02:12]} O-O {[%emt 0:00:28]} 15. Rad1 {[%emt 0:00:20]} Na6 {[%emt 0:16:58]} 16. Rd7 {[%emt 0:01:00]} Rae8 {[%emt 0:01:07]} 17. Ne5 {[%emt 0:04:46]} Qf5 {[%emt 0:16:31]} 18. Rxb7 {[%emt 0:01:59]} Nc5 {[%emt 0:00:32]} 19. Rxe7 {[%emt 0:01:16]} Rxe7 {[%emt 0:01:08]} 20. Bb4 {[%emt 0:00:05]} Ne4 {[%emt 0:03:57]} 21. Bxe7 {[%emt 0:00:09]} Re8 {[%emt 0:00:54]} 22. Nxc6 {[%emt 0:02:20]} Qd5 {[%emt 0:01:50]} 23. Qa6 {[%emt 0:00:54]} Nd2 {[%emt 0:00:27]} 24. Re1 {[%emt 0:00:41]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Paichadze, Luka"]
[Black "Girish, A. Koushik"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2583"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,55,0,0,-43,-51,-48,-37,-37,-36,-36,-39,-49,-22,-37,-15,-46,-20,-35,-33,-52,-14,-14,19,28,13,10,7,8,0,0,176,230,230,202,174,177,253,266,250,227,281,186,581,557]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. c3 Qd3 8. Re1 {C68: Ruy Lopez: Exchange Variation, sidelines} (8. hxg4 {with more complications.} hxg4 9. Nxe5 Bd6 10. Nxd3 Bh2+ 11. Kh1) (8. hxg4 hxg4 9. Nxe5 Bd6 10. Nxd3 Bh2+ 11. Kh1 Bg3+ 12. Kg1 Bh2+ 13. Kh1 Bg3+ 14. Kg1 Bh2+ 15. Kh1 {½-½ (15) Mamedov,R (2709)-Mamedyarov,S (2799) Huaian 2017}) 8... Bxf3 $1 9. Qxf3 Qxf3 10. gxf3 {Black is slightly better.} O-O-O 11. Kf1 $1 Ne7 12. Ke2 Ng6 {[#] aiming for ...Nf4+.} 13. d3 $1 Be7 14. Be3 c5 15. Nd2 $146 ({Predecessor:} 15. Rg1 Rd7 {½-½ (37) Shaw,J (2465)-Harstad,C (2113) Catalan Bay 2004}) 15... b6 16. a4 a5 17. Rg1 Rd7 18. Nc4 {Threatens to win with Rxg6!} Bf6 19. Rab1 Rhd8 20. b4 Rxd3 21. bxc5 bxc5 $2 {[#]} (21... Rxc3 $11 {and Black is okay.} 22. Rgc1 Rxc1 23. Rxc1 bxc5) 22. Rb3 $1 $18 Nf4+ 23. Bxf4 $1 exf4 24. e5 {Hoping for Rgb1.} Bxe5 (24... Be7 $142 25. Rxg7 Rd1) 25. Nxe5 Rd2+ 26. Kf1 Ra2 27. Kg2 {Rgb1 is the strong threat.} ({And not} 27. Rxg7 Re8 $11) ({Weaker is} 27. Nxf7 Rd1+ 28. Kg2 Rxg1+ 29. Kxg1 Rxa4 $16) 27... f6 $2 (27... Rd5) 28. Rgb1 {Accuracy: White = 71%, Black = 48%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Erigaisi Arjun"]
[Black "Muthaiah AL"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2548"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,71,34,72,7,29,25,25,23,17,25,18,20,14,13,50,50,91,103,96,102,88,90,216,85,95,87,92,83,71,50,88,36,92,91,94,64,223,225,552,553,493,256,256,256,256,248,428,420,697,682,746,450,1093,1084]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 c6 9. Rd1 b6 10. Bf4 Nh5 11. Bd2 Nhf6 12. Bf4 Nh5 13. Bd2 Bb7 14. Ne5 Rc8 15. Nc3 Nhf6 16. Bf4 Nh5 17. Bd2 a6 18. e4 dxc4 19. Nxc4 b5 20. Ne3 c5 21. d5 c4 22. a4 Qb6 23. axb5 axb5 24. Ne2 {½-½ (54) Cheparinov,I (2709)-Karjakin,S (2753) St Petersburg 2018}) 6. Nc3 {E01: Catalan: Early deviations} c6 7. Qc2 O-O 8. e4 Nxe4 9. Nxe4 dxe4 10. Qxe4 Nd7 {LiveBook: 6 Games} 11. Bc3 (11. Bd3 $16 {[%csl Gd3][%cal Re4h7]} Nf6 12. Qh4) 11... Re8 $146 ({Predecessor:} 11... Nf6 12. Qc2 b5 {0-1 (27) Condori Aranya,E (2170)-Garcia Palermo,C (2438) Montevideo 2017}) 12. Bg2 e5 13. O-O {[%cal Rd4e5]} (13. Nxe5 Nxe5 14. dxe5 Bxe5 $11) 13... Nf6 14. Qc2 exd4 15. Bxd4 Bg4 16. Rad1 Bxf3 17. Bxf3 Qe7 18. Qb3 a5 {[#]} 19. Rfe1 $1 {[%mdl 512]} Qxe1+ 20. Rxe1 Rxe1+ 21. Kg2 {c5 is the strong threat.} Re7 22. c5 Bb8 23. Bxf6 gxf6 24. Be4 $36 {[%mdl 2048] White is pushing.} Ba7 ({Not} 24... Rxe4 $2 25. Qxb7 Rb4 26. Qxa8 $18) 25. Bb1 (25. Qf3 $16) 25... Rd8 ({Better is} 25... Kg7 $1 $14) 26. Qc2 $16 Kf8 27. Qxh7 {[%cal Rh7h8] [#]} Re2 $2 (27... Re5 $14) 28. Bd3 $18 Rxb2 $2 (28... Re5 {is a better chance.} 29. Bc4 Rd7 30. Qh8+ Ke7) 29. Bc4 {[%csl Gc4][%cal Rh7f7]} Rd7 30. Be6 (30. Qh8+ $142 Ke7 31. Qg8) 30... fxe6 31. Qxd7 Bxc5 {KQ-KRB} 32. h4 ({Don't play} 32. Qxe6 $6 Kg7 $18) 32... Bxf2 $2 (32... Rxa2 {was necessary.} 33. Kh3 (33. Qxe6 Rxf2+ 34. Kh3 a4 $16) 33... Rxf2) 33. Qxe6 Kg7 (33... Bc5+ $142 34. Kh3 Be7) 34. Kh3 {White is clearly winning.} Rb5 35. Qe2 Bd4 (35... Bc5 $142 36. a4 Rb1 37. Qg4+ Kf8) 36. Qg4+ {Precision: White = 73%, Black = 32%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Stupak, Kirill"]
[Black "Tran, Minh Thang"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2542"]
[BlackElo "2355"]
[Annotator "ChessBase"]
[PlyCount "51"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 {[%emt 0:05:16]} 2. Nf3 {[%emt 0:03:33]} Nf6 {[%emt 0:00:13]} 3. c4 {[%emt 0:00:07]} c6 {[%emt 0:00:07]} 4. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:07]} 5. a4 {[%emt 0:00:05]} e6 {[%emt 0:00:16]} 6. Bg5 {[%emt 0:00:38]} dxc4 {[%emt 0:10:25]} 7. e4 {[%emt 0:06:06]} b5 {[%emt 0:02:14]} 8. axb5 {[%emt 0:10:18]} cxb5 {[%emt 0:00:20]} 9. e5 {[%emt 0:00:14]} h6 {[%emt 0:00:32]} 10. Bd2 {[%emt 0:00:13]} Nd5 {[%emt 0:00:55]} 11. Nxb5 {[%emt 0:00:02]} axb5 {[%emt 0:00:58]} 12. Rxa8 {[%emt 0:00:03]} Bb7 {[%emt 0:00:10]} 13. Ra1 {[%emt 0:05:27]} Nc6 {[%emt 0:00:54]} 14. Be2 {[%emt 0:01:30]} Qb6 {[%emt 0:11:13]} 15. O-O {[%emt 0:01:39]} Nxd4 {[%emt 0:18:12]} 16. Nxd4 {[%emt 0:03:25]} Qxd4 {[%emt 0:01:06]} 17. b3 {[%emt 0:00:22]} Qxe5 {[%emt 0:03:35]} 18. bxc4 {[%emt 0:07:48]} Bd6 {[%emt 0:01:48]} 19. g3 {[%emt 0:00:54]} bxc4 {[%emt 0:01:44]} 20. Ra7 {[%emt 0:14:48]} Bc6 {[%emt 0:00:42]} 21. Ra6 {[%emt 0:00:06]} Bb7 {[%emt 0:01:53]} 22. Qa4+ {[%emt 0:00:20]} Ke7 {[%emt 0:00:45]} 23. Ra7 {[%emt 0:01:15]} Qxe2 {[%emt 0:02:14]} 24. Rxb7+ {[%emt 0:00:01]} Kf6 {[%emt 0:00:08]} 25. Qd7 {[%emt 0:00:20]} Be7 {[%emt 0:00:35]} 26. Bb4 {[%emt 0:00:07]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Megaranto, Susanto"]
[Black "Suvrajit, Saha"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2530"]
[BlackElo "2221"]
[Annotator "ChessBase"]
[PlyCount "112"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:44]} 2. Nf3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:30]} 3. Bf4 {[%emt 0:00:30]} e6 {[%emt 0:00:30]} 4. e3 {[%emt 0:00:30]} Bd6 {[%emt 0:00:30]} 5. Bg5 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 6. Bh4 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 7. Nbd2 {[%emt 0:00:00]} O-O {[%emt 0:05:26]} 8. c3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:30]} 9. Bb5 {[%emt 0:00:00]} cxd4 {[%emt 0:00:30]} 10. exd4 {[%emt 0:00:28]} Bd7 {[%emt 0:00:30]} 11. O-O {[%emt 0:00:30]} Be7 {[%emt 0:00:30]} 12. Bd3 {[%emt 0:00:30]} Nh5 {[%emt 0:00:30]} 13. Bxe7 {[%emt 0:00:30]} Qxe7 {[%emt 0:00:30]} 14. Re1 {[%emt 0:00:30]} Rfd8 {[%emt 0:00:30]} 15. g3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 16. Qe2 {[%emt 0:00:30]} Be8 {[%emt 0:00:30]} 17. Nh4 {[%emt 0:00:30]} Qc7 {[%emt 0:00:30]} 18. f4 {[%emt 0:00:30]} Rab8 {[%emt 0:00:30]} 19. Nhf3 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 20. b4 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 21. a3 {[%emt 0:00:30]} Ne7 {[%emt 0:00:30]} 22. Rac1 {[%emt 0:00:30]} Nc8 {[%emt 0:00:30]} 23. Nb3 {[%emt 0:00:30]} axb4 {[%emt 0:00:30]} 24. axb4 {[%emt 0:00:30]} Nd6 {[%emt 0:00:30]} 25. Nc5 {[%emt 0:00:30]} Ra8 {[%emt 0:00:30]} 26. Ra1 {[%emt 0:00:30]} Nfe4 {[%emt 0:00:30]} 27. Qb2 {[%emt 0:00:30]} Rdc8 {[%emt 0:00:30]} 28. Rxa8 {[%emt 0:00:30]} Rxa8 {[%emt 0:00:30]} 29. Ra1 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30]} 30. Ra3 {[%emt 0:00:30]} Bc6 {[%emt 0:00:30]} 31. Ne5 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 32. Kf1 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 33. Nf3 {[%emt 0:00:30]} Nc4 {[%emt 0:00:30]} 34. Rxa8 {[%emt 0:00:30]} Qxa8 {[%emt 0:00:30]} 35. Bxc4 {[%emt 0:00:30]} dxc4 {[%emt 0:00:30]} 36. Ne1 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 37. Nxe4 {[%emt 0:00:30]} Bxe4 {[%emt 0:00:30]} 38. Kf2 {[%emt 0:00:30]} Qa4 {[%emt 0:00:30]} 39. Qe2 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 40. Qd2 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 41. h3 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 42. Qc2 {[%emt 0:00:30]} Be4 {[%emt 0:00:30]} 43. Qd2 {[%emt 0:00:30]} Qb1 {[%emt 0:00:30]} 44. Ke2 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 45. Kf2 {[%emt 0:00:30]} Qa8 {[%emt 0:00:30]} 46. Qe2 {[%emt 0:00:30]} Kh7 {[%emt 0:00:30]} 47. Kg1 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 48. Qd2 {[%emt 0:00:30]} Bb7 {[%emt 0:00:30]} 49. Kf2 {[%emt 0:00:30]} Bd5 {[%emt 0:00:30]} 50. Qc2 {[%emt 0:00:30]} Be4 {[%emt 0:00:30]} 51. Qd2 {[%emt 0:00:30]} Qa7 {[%emt 0:00:30]} 52. Qe2 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 53. Qd2 {[%emt 0:00:30]} Qb1 {[%emt 0:00:30]} 54. Ke2 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 55. Kf2 {[%emt 0:00:30]} Qb1 {[%emt 0:00:30]} 56. Ke2 {[%emt 0:00:30]} Qa1 {[%emt 0:00:30]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Gajek, Radoslaw"]
[Black "Harshavardhan G B"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2481"]
[BlackElo "2275"]
[Annotator "ChessBase"]
[PlyCount "157"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:50]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:01:01]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 4. Bg2 {[%emt 0:00:27]} Be7 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:08]} O-O {[%emt 0:00:06]} 6. O-O {[%emt 0:00:05]} c6 {[%emt 0:00:03]} 7. Nbd2 {[%emt 0:00:19]} b6 {[%emt 0:00:06]} 8. Qc2 {[%emt 0:00:06]} Bb7 {[%emt 0:00:04]} 9. e4 {[%emt 0:00:32]} Na6 {[%emt 0:00:04]} 10. a3 {[%emt 0:01:43]} Qc8 {[%emt 0:01:04]} 11. e5 {[%emt 0:03:59]} Nd7 {[%emt 0:00:16]} 12. cxd5 {[%emt 0:00:48]} cxd5 {[%emt 0:00:34]} 13. Qd1 {[%emt 0:00:15]} Qc7 {[%emt 0:01:00]} 14. Re1 {[%emt 0:00:10]} Rac8 {[%emt 0:00:51]} 15. Nf1 {[%emt 0:00:07]} Qc2 {[%emt 0:01:06]} 16. Qxc2 {[%emt 0:00:14]} Rxc2 {[%emt 0:00:06]} 17. Ne3 {[%emt 0:00:04]} Rc7 {[%emt 0:00:39]} 18. Bd2 {[%emt 0:02:21]} Nab8 {[%emt 0:02:13]} 19. Rac1 {[%emt 0:12:03]} Rfc8 {[%emt 0:00:09]} 20. Rxc7 {[%emt 0:01:40]} Rxc7 {[%emt 0:00:06]} 21. Rc1 {[%emt 0:00:04]} Rxc1+ {[%emt 0:00:07]} 22. Bxc1 {[%emt 0:00:06]} Nc6 {[%emt 0:00:44]} 23. Bd2 {[%emt 0:00:54]} f6 {[%emt 0:01:05]} 24. exf6 {[%emt 0:00:32]} Bxf6 {[%emt 0:00:10]} 25. Bc3 {[%emt 0:00:19]} Kf7 {[%emt 0:01:51]} 26. Bf1 {[%emt 0:02:55]} a5 {[%emt 0:00:43]} 27. Ng4 {[%emt 0:06:18]} Ndb8 {[%emt 0:04:18]} 28. Bd3 {[%emt 0:08:56]} Ba6 {[%emt 0:05:32]} 29. Bxh7 {[%emt 0:07:45]} Be2 {[%emt 0:00:33]} 30. Kg2 {[%emt 0:00:52]} Bxf3+ {[%emt 0:00:15]} 31. Kxf3 {[%emt 0:00:09]} g6 {[%emt 0:00:48]} 32. Bg8+ {[%emt 0:00:48]} Ke7 {[%emt 0:00:28]} 33. Bh7 {[%emt 0:02:37]} Kf7 {[%emt 0:00:05]} 34. Bg8+ {[%emt 0:01:31]} Ke7 {[%emt 0:00:07]} 35. Ke3 {[%emt 0:19:22]} b5 {[%emt 0:00:10]} 36. b4 {[%emt 0:00:42]} axb4 {[%emt 0:00:04]} 37. axb4 {[%emt 0:00:22]} Bh8 {[%emt 0:02:01]} 38. h4 {[%emt 0:02:10]} Na6 {[%emt 0:00:17]} 39. Ne5 {[%emt 0:01:24]} Bxe5 {[%emt 0:00:20]} 40. dxe5 {[%emt 0:00:04]} Naxb4 {[%emt 0:00:10]} 41. Bb2 {[%emt 0:01:04]} d4+ {[%emt 0:00:48]} 42. Ke4 {[%emt 0:00:29]} Nc2 {[%emt 0:00:53]} 43. g4 {[%emt 0:00:34]} Nd8 {[%emt 0:11:09]} 44. h5 {[%emt 0:02:10]} gxh5 {[%emt 0:00:36]} 45. gxh5 {[%emt 0:00:06]} Kf8 {[%emt 0:00:07]} 46. Bh7 {[%emt 0:00:18]} Kg7 {[%emt 0:20:30]} 47. Bg6 {[%emt 0:00:18]} b4 {[%emt 0:00:38]} 48. f4 {[%emt 0:00:43]} Nc6 {[%emt 0:16:25]} 49. Be8 {[%emt 0:01:56]} Ne7 {[%emt 0:07:19]} 50. Bd7 {[%emt 0:01:25]} Nd5 {[%emt 0:04:49]} 51. Bxe6 {[%emt 0:01:56]} d3 {[%emt 0:00:21]} 52. h6+ {[%emt 0:06:10]} Kxh6 {[%emt 0:05:22]} 53. Bc1 {[%emt 0:00:34]} b3 {[%emt 0:03:05]} 54. f5+ {[%emt 0:01:06]} Kg7 {[%emt 0:01:46]} 55. Kxd3 {[%emt 0:02:14]} Ncb4+ {[%emt 0:02:50]} 56. Kc4 {[%emt 0:06:12]} Nf4 {[%emt 0:00:22]} 57. Bxf4 {[%emt 0:00:58]} b2 {[%emt 0:00:11]} 58. f6+ {[%emt 0:00:02]} Kg6 {[%emt 0:00:10]} 59. f7 {[%emt 0:00:03]} b1=Q {[%emt 0:00:17]} 60. f8=Q {[%emt 0:00:12]} Qe4+ {[%emt 0:00:53]} 61. Kb3 {[%emt 0:00:26]} Qb1+ {[%emt 0:00:47]} 62. Kc4 {[%emt 0:00:06]} Qe4+ {[%emt 0:00:05]} 63. Kb3 {[%emt 0:00:32]} Qb1+ {[%emt 0:00:08]} 64. Ka4 {[%emt 0:00:03]} Qd1+ {[%emt 0:01:18]} 65. Kxb4 {[%emt 0:00:15]} Qd4+ {[%emt 0:00:06]} 66. Kb5 {[%emt 0:00:14]} Qd3+ {[%emt 0:00:10]} 67. Bc4 {[%emt 0:00:33]} Qd7+ {[%emt 0:00:23]} 68. Kc5 {[%emt 0:00:30]} Qc7+ {[%emt 0:00:12]} 69. Kd4 {[%emt 0:00:25]} Qa7+ {[%emt 0:00:05]} 70. Kd3 {[%emt 0:00:20]} Qh7 {[%emt 0:01:03]} 71. Qg8+ {[%emt 0:00:11]} Qxg8 {[%emt 0:00:05]} 72. Bxg8 {[%emt 0:00:05]} Kf5 {[%emt 0:00:04]} 73. e6 {[%emt 0:00:12]} Kf6 {[%emt 0:00:03]} 74. Ke4 {[%emt 0:00:05]} Ke7 {[%emt 0:00:06]} 75. Ke5 {[%emt 0:00:05]} Ke8 {[%emt 0:00:04]} 76. Kf6 {[%emt 0:00:19]} Kf8 {[%emt 0:00:04]} 77. e7+ {[%emt 0:00:05]} Ke8 {[%emt 0:00:04]} 78. Bf7+ {[%emt 0:00:04]} Kd7 {[%emt 0:00:06]} 79. e8=Q# {[%emt 0:00:08]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Vignesh N R"]
[Black "Srihari L R"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "2461"]
[BlackElo "2253"]
[Annotator "ChessBase"]
[PlyCount "103"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:15]} 2. Nf3 {[%emt 0:00:00]} e6 {[%emt 0:00:10]} 3. d4 {[%emt 0:00:00]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:01]} a6 {[%emt 0:00:08]} 5. Bd3 {[%emt 0:00:22]} Bc5 {[%emt 0:00:24]} 6. Nb3 {[%emt 0:00:10]} Ba7 {[%emt 0:00:13]} 7. Qe2 {[%emt 0:02:14]} d6 {[%emt 0:03:12]} 8. Be3 {[%emt 0:00:12]} Nc6 {[%emt 0:01:23]} 9. N1d2 {[%emt 0:00:21]} Nf6 {[%emt 0:01:42]} 10. O-O {[%emt 0:01:22]} Bxe3 {[%emt 0:01:05]} 11. Qxe3 {[%emt 0:00:09]} O-O {[%emt 0:00:14]} 12. Rfd1 {[%emt 0:01:13]} Qc7 {[%emt 0:04:33]} 13. Be2 {[%emt 0:08:00]} Ne5 {[%emt 0:02:37]} 14. h3 {[%emt 0:01:13]} b5 {[%emt 0:09:04]} 15. a4 {[%emt 0:02:20]} Bd7 {[%emt 0:04:14]} 16. axb5 {[%emt 0:12:17]} axb5 {[%emt 0:05:58]} 17. f4 {[%emt 0:00:31]} Ng6 {[%emt 0:06:55]} 18. c3 {[%emt 0:00:09]} e5 {[%emt 0:02:30]} 19. f5 {[%emt 0:02:52]} Ne7 {[%emt 0:05:49]} 20. g4 {[%emt 0:03:28]} d5 {[%emt 0:01:02]} 21. Qc5 {[%emt 0:01:34]} Qxc5+ {[%emt 0:01:52]} 22. Nxc5 {[%emt 0:00:02]} Bc6 {[%emt 0:00:09]} 23. Nf3 {[%emt 0:04:05]} Nxe4 {[%emt 0:11:42]} 24. Nxe4 {[%emt 0:00:18]} dxe4 {[%emt 0:00:04]} 25. Nxe5 {[%emt 0:00:06]} b4 {[%emt 0:09:12]} 26. cxb4 {[%emt 0:07:27]} Ba4 {[%emt 0:02:22]} 27. Rd4 {[%emt 0:02:12]} e3 {[%emt 0:10:15]} 28. Ra3 {[%emt 0:02:14]} h6 {[%emt 0:01:33]} 29. b5 {[%emt 0:01:24]} Bc2 {[%emt 0:00:48]} 30. Rxe3 {[%emt 0:00:47]} Bxf5 {[%emt 0:01:18]} 31. gxf5 {[%emt 0:02:35]} Nxf5 {[%emt 0:00:02]} 32. Rdd3 {[%emt 0:00:09]} Nxe3 {[%emt 0:00:32]} 33. Rxe3 {[%emt 0:00:02]} Ra2 {[%emt 0:01:19]} 34. Nc4 {[%emt 0:00:06]} Rb8 {[%emt 0:02:07]} 35. b6 {[%emt 0:00:06]} Rxb2 {[%emt 0:02:54]} 36. Nxb2 {[%emt 0:00:08]} Rxb6 {[%emt 0:00:03]} 37. Nc4 {[%emt 0:00:15]} Rb1+ {[%emt 0:00:05]} 38. Kf2 {[%emt 0:00:06]} Rb7 {[%emt 0:00:33]} 39. Ne5 {[%emt 0:00:42]} f5 {[%emt 0:00:46]} 40. Rf3 {[%emt 0:01:20]} g5 {[%emt 0:00:56]} 41. Rxf5 {[%emt 0:00:07]} Kg7 {[%emt 0:00:03]} 42. Bh5 {[%emt 0:00:13]} Rb2+ {[%emt 0:00:07]} 43. Kg3 {[%emt 0:00:07]} Rb3+ {[%emt 0:00:14]} 44. Rf3 {[%emt 0:00:02]} Rb5 {[%emt 0:00:14]} 45. Rf7+ {[%emt 0:00:29]} Kg8 {[%emt 0:00:09]} 46. Ng4 {[%emt 0:00:29]} Rb3+ {[%emt 0:00:06]} 47. Kf2 {[%emt 0:00:21]} Rb2+ {[%emt 0:00:26]} 48. Ke1 {[%emt 0:00:07]} Rb1+ {[%emt 0:00:04]} 49. Kd2 {[%emt 0:00:04]} Rb2+ {[%emt 0:00:04]} 50. Kc3 {[%emt 0:00:05]} Rb6 {[%emt 0:00:03]} 51. Nf6+ {[%emt 0:00:07]} Rxf6 {[%emt 0:00:04]} 52. Rxf6 {[%emt 0:00:04]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Akash G"]
[Black "Saurabh Anand"]
[Result "1/2-1/2"]
[ECO "C91"]
[WhiteElo "2453"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 36,73,0,-9,0,0,0,-63,-73,-62,-70,-83,-33,-36,0,0,0,0,0,-21,-6,-41,-47,-63,-45,-52,-55,-62,-60,-70,-65,-76,-40,-50,-8,-11,-4,-172,-184,-1207]} 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. d4 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 10. Be3 exd4 11. cxd4 d5 12. e5 Ne4 13. h3 Bh5 14. Nc3 Nxc3 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} 15. bxc3 Na5 (15... Qd7 16. Bc2 Nd8 17. Qb1 Bg6 18. Bxg6 fxg6 19. Nd2 Ne6 20. a4 bxa4 21. Qa2 a3 22. c4 {½-½ (60) Wang,H (2709)-Ding,L (2777) Riadh 2017}) 16. Bc2 Nc4 17. g4 Bg6 18. Bf5 a5 19. Qd3 {LiveBook: 11 Games} c6 20. Bf4 b4 {[#]} 21. h4 $146 (21. Rec1 $11) ({Predecessor:} 21. Re2 Ra7 22. Rc1 Bxf5 23. gxf5 {½-½ (33) Miras Garcia,E (2524)-Oreopoulos,K (2478) ICCF email 2014}) 21... Bxf5 22. gxf5 f6 23. h5 Qc8 (23... Qd7 {is more complex.} 24. exf6 Rxf6 25. Bg5 Qxf5 26. Qxf5 Rxf5 27. Bxe7 Rxf3 28. cxb4 Rf4) 24. exf6 Rxf6 25. Rxe7 Qxf5 26. Qxf5 Rxf5 27. h6 gxh6 ({Don't play} 27... Rxf4 $6 28. Rxg7+ Kh8 29. Ng5 $14) 28. Be5 {[#] And now Rg7+ would win.} Rxf3 29. Rg7+ Kf8 30. Rxh7 {Threatens to win with Kg2.} Re8 $36 {[%mdl 2048] Black has the initiative.} 31. cxb4 Nxe5 32. dxe5 axb4 $15 {KRR-KRR} 33. Kg2 Rf5 {Hoping for ...Rg5+.} 34. a3 bxa3 {White must now prevent ...Rg5+.} 35. Rxa3 {[#] Strongly threatening Rh8+.} Rfxe5 {White should prevent ...c5.} 36. Raa7 $2 (36. Rxh6 $11 {and White is okay.} c5 37. f4 Re2+ 38. Kf3) 36... R5e7 $19 37. Ra3 $2 {[%mdl 32768] Precision: White = 22%, Black = 62%. . An unexpected result.} (37. Raxe7 Rxe7 38. Rxh6) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Nguyen, Van Huy"]
[Black "Karthik Venkataraman"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2450"]
[BlackElo "2515"]
[Annotator "RC"]
[PlyCount "62"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:41]} Nf6 {[%emt 0:02:04]} 2. c4 {[%emt 0:01:50]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:27]} d5 {[%emt 0:00:05]} 4. cxd5 {[%emt 0:00:21]} Nxd5 {[%emt 0:00:03]} 5. Bd2 {[%emt 0:00:09]} Nb6 {[%emt 0:00:04]} 6. e4 {[%emt 0:00:50]} Bg7 {[%emt 0:00:07]} 7. Be3 {[%emt 0:00:24]} O-O {[%emt 0:00:06]} 8. h3 {[%emt 0:00:37]} e5 {[%emt 0:00:05]} 9. Nf3 {[%emt 0:02:05]} exd4 {[%emt 0:00:04]} 10. Bxd4 {[%emt 0:01:02]} Nc6 {[%emt 0:00:11]} 11. Bxg7 {[%emt 0:02:32]} Kxg7 {[%emt 0:00:07]} 12. Bb5 {[%emt 0:02:56]} Qf6 {[%emt 0:03:33]} 13. O-O {[%emt 0:05:46]} Rd8 {[%emt 0:00:22]} 14. Qe2 {[%emt 0:01:04]} Be6 {[%emt 0:13:34]} 15. Rfd1 {[%emt 0:19:57]} Na5 {[%emt 0:08:12]} 16. Rxd8 {[%emt 0:09:31]} Rxd8 {[%emt 0:00:18]} 17. Rd1 {[%emt 0:00:07]} Rxd1+ {[%emt 0:01:12]} 18. Qxd1 {[%emt 0:00:31]} Nac4 {[%emt 0:00:07]} 19. Bxc4 {[%emt 0:01:22]} Nxc4 {[%emt 0:00:09]} 20. Qe2 {[%emt 0:07:59]} c6 {[%emt 0:00:22]} 21. Nd1 {[%emt 0:07:39]} a5 {[%emt 0:15:02]} 22. b3 {[%emt 0:03:37]} Ne5 {[%emt 0:03:28]} 23. Nd4 {[%emt 0:05:16]} Bd7 {[%emt 0:16:01]} 24. Qd2 {[%emt 0:01:40]} c5 {[%emt 0:02:59]} 25. Ne2 {[%emt 0:00:30]} Qf3 {[%emt 0:04:45]} 26. Qd5 {[%emt 0:04:03]} Qxe2 {[%emt 0:01:37]} 27. Qxe5+ {[%emt 0:00:06]} Kg8 {[%emt 0:00:03]} 28. Qb8+ {[%emt 0:00:07]} Kg7 {[%emt 0:00:05]} 29. Qe5+ {[%emt 0:00:01]} Kg8 {[%emt 0:00:05]} 30. Qb8+ {[%emt 0:08:34]} Kg7 {[%emt 0:00:11]} 31. Qe5+ {[%emt 0:00:09]} Kg8 {[%emt 0:01:48]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Shyaamnikhil P"]
[Black "Lugovskoy, Maxim"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "2446"]
[BlackElo "2445"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:36]} e6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:16]} d5 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:02:37]} Bb4 {[%emt 0:00:00]} 4. e5 {[%emt 0:03:00]} c5 {[%emt 0:00:04]} 5. a3 {[%emt 0:00:07]} Bxc3+ {[%emt 0:00:05]} 6. bxc3 {[%emt 0:00:04]} Ne7 {[%emt 0:00:05]} 7. Qg4 {[%emt 0:00:09]} Qc7 {[%emt 0:00:04]} 8. Qxg7 {[%emt 0:00:08]} Rg8 {[%emt 0:00:04]} 9. Qxh7 {[%emt 0:00:05]} cxd4 {[%emt 0:00:03]} 10. Ne2 {[%emt 0:00:09]} Nbc6 {[%emt 0:00:04]} 11. f4 {[%emt 0:00:13]} Bd7 {[%emt 0:00:03]} 12. h4 {[%emt 0:01:54]} O-O-O {[%emt 0:02:00]} 13. Qd3 {[%emt 0:01:39]} dxc3 {[%emt 0:00:05]} 14. Qxc3 {[%emt 0:00:38]} Nf5 {[%emt 0:01:51]} 15. Rh3 {[%emt 0:04:05]} d4 {[%emt 0:02:12]} 16. Qc4 {[%emt 0:01:02]} f6 {[%emt 0:08:11]} 17. exf6 {[%emt 0:03:18]} Nd6 {[%emt 0:01:21]} 18. Qb3 {[%emt 0:03:43]} Ne4 {[%emt 0:04:50]} 19. f7 {[%emt 0:20:31]} Rgf8 {[%emt 0:01:19]} 20. Qd3 {[%emt 0:00:33]} Nc5 {[%emt 0:02:47]} 21. Qc4 {[%emt 0:03:24]} Na5 {[%emt 0:13:19]} 22. Qb4 {[%emt 0:05:37]} e5 {[%emt 0:01:31]} 23. Rg3 {[%emt 0:02:24]} Rxf7 {[%emt 0:09:33]} 24. fxe5 {[%emt 0:02:53]} d3 {[%emt 0:08:10]} 25. Re3 {[%emt 0:07:07]} dxe2 {[%emt 0:03:08]} 26. Bxe2 {[%emt 0:00:06]} b6 {[%emt 0:01:18]} 27. Rb1 {[%emt 0:03:02]} Be6 {[%emt 0:00:37]} 28. h5 {[%emt 0:02:42]} Nc6 {[%emt 0:01:57]} 29. Qc3 {[%emt 0:01:32]} Nd4 {[%emt 0:00:28]} 30. Rb4 {[%emt 0:00:16]} Nxe2 {[%emt 0:00:24]} 31. Kxe2 {[%emt 0:00:12]} Rg8 {[%emt 0:05:24]} 32. Rg3 {[%emt 0:00:26]} Rxg3 {[%emt 0:00:51]} 33. Qxg3 {[%emt 0:00:06]} Rg7 {[%emt 0:00:06]} 34. Qf3 {[%emt 0:00:31]} Qxe5+ {[%emt 0:00:15]} 35. Be3 {[%emt 0:00:07]} Bd5 {[%emt 0:02:36]} 36. Qf8+ {[%emt 0:00:15]} Kb7 {[%emt 0:00:51]} 37. g4 {[%emt 0:01:18]} Ne4 {[%emt 0:03:07]} 38. Bf4 {[%emt 0:00:40]} Qc3 {[%emt 0:15:47]} 39. Qb8+ {[%emt 0:01:53]} Ka6 {[%emt 0:00:41]} 40. Ra4+ {[%emt 0:06:02]} Kb5 {[%emt 0:00:04]} 41. Rb4+ {[%emt 0:00:06]} Ka5 {[%emt 0:00:36]} 42. Qe5 {[%emt 0:00:41]} Qxc2+ {[%emt 0:00:38]} 43. Ke1 {[%emt 0:00:06]} Qf2+ {[%emt 0:03:00]} 44. Kd1 {[%emt 0:00:07]} Qf1+ {[%emt 0:01:32]} 45. Kc2 {[%emt 0:00:08]} Qf2+ {[%emt 0:01:56]} 46. Kd1 {[%emt 0:00:46]} Qg1+ {[%emt 0:00:21]} 47. Kc2 {[%emt 0:00:07]} Qc5+ {[%emt 0:00:06]} 48. Kb2 {[%emt 0:00:20]} Rxg4 {[%emt 0:00:56]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Harikrishnan.A.Ra"]
[Black "Aleksandrov, Aleksej"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2430"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "44"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,44,20,20,0,13,5,15,0,9,-26,-22,-23,-17,-39,-38,-39,-39,-54,-57,-84,-84,-87,-80,-310,-309,-311,-318,-342,-333,-388,-382,-396,-389,-377,-337,-320,-270]} 1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. Nbd2 $146 {A05: Réti Opening: 1 Nf3 Nf6} (6. e4 d6 7. Nfd2 e5 8. a4 a6 9. Nc3 c6 10. f4 Nbd7 11. Nf3 O-O 12. h3 Qc7 13. g4 Ne8 14. Ne2 exf4 15. Bxf4 {0-1 (45) Grischuk,A (2771)-Maghsoodloo,P (2688) St Petersburg 2018}) ({Predecessor:} 6. e4 d6 7. Re1 O-O {1-0 (41) Sader,M (2170)-Fornari,G (2080) Caorle 1988}) 6... O-O 7. e4 d6 8. Re1 {The position is equal.} Nfd7 9. e5 ({Predecessor:} 9. c3 c5 10. a4 a6 11. d4 Qc7 12. Qe2 bxa4 13. Rxa4 Nb6 14. Ra1 N8d7 {1-0 (41) Sader,M (2170)-Fornari,G (2080) Caorle 1988}) 9... dxe5 10. Nxe5 Bxg2 11. Kxg2 Nxe5 12. Rxe5 c5 13. Qf3 Qc7 14. Nb3 Qxe5 15. Qxa8 c4 16. d4 $2 {[#]} (16. dxc4 $17 bxc4 17. Nd2) 16... Qc7 $1 $19 17. Bf4 Qb6 18. Na5 Bb4 (18... Qxa5 19. Bxb8 Qb4 20. Qxa7 $17) 19. a4 Bxa5 20. axb5 Qxb5 21. Bxb8 Bc7 ({Worse is} 21... Qxb8 22. Qxb8 Rxb8 23. Rxa5 $11) ({Weaker is} 21... Rxb8 {[#]} 22. Rxa5 $1 {[%mdl 512]} Qb7+ 23. Qxb7 $11) 22. Rxa7 Bxb8 {Accuracy: White = 24%, Black = 81%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Manik, Mikulas"]
[Black "Pranesh M"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2413"]
[BlackElo "2125"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 4. d3 {[%emt 0:00:00]} Bc5 {[%emt 0:00:00]} 5. c3 {[%emt 0:00:09]} d6 {[%emt 0:00:01]} 6. O-O {[%emt 0:00:20]} O-O {[%emt 0:00:16]} 7. h3 {[%emt 0:01:36]} Ne7 {[%emt 0:00:28]} 8. Re1 {[%emt 0:02:12]} Ng6 {[%emt 0:00:21]} 9. d4 {[%emt 0:02:10]} Bb6 {[%emt 0:00:44]} 10. Be3 {[%emt 0:03:48]} exd4 {[%emt 0:04:08]} 11. Bxd4 {[%emt 0:00:55]} c5 {[%emt 0:00:23]} 12. Bxf6 {[%emt 0:00:16]} Qxf6 {[%emt 0:00:05]} 13. Nbd2 {[%emt 0:00:29]} Nf4 {[%emt 0:02:01]} 14. Bf1 {[%emt 0:01:01]} Be6 {[%emt 0:05:04]} 15. h4 {[%emt 0:10:44]} Rad8 {[%emt 0:14:39]} 16. g3 {[%emt 0:08:22]} Ng6 {[%emt 0:05:15]} 17. Nc4 {[%emt 0:00:34]} d5 {[%emt 0:02:19]} 18. e5 {[%emt 0:00:17]} Qe7 {[%emt 0:00:21]} 19. Nxb6 {[%emt 0:02:28]} axb6 {[%emt 0:00:12]} 20. Qb3 {[%emt 0:12:49]} Qc7 {[%emt 0:03:24]} 21. Qc2 {[%emt 0:00:21]} h6 {[%emt 0:05:10]} 22. Bg2 {[%emt 0:06:06]} Ne7 {[%emt 0:03:39]} 23. Nd2 {[%emt 0:05:16]} d4 {[%emt 0:05:53]} 24. Be4 {[%emt 0:00:40]} Nc6 {[%emt 0:01:54]} 25. f4 {[%emt 0:00:54]} Qd7 {[%emt 0:10:47]} 26. Nf3 {[%emt 0:06:21]} Bg4 {[%emt 0:02:00]} 27. Qf2 {[%emt 0:04:14]} Qe6 {[%emt 0:06:00]} 28. cxd4 {[%emt 0:02:01]} Nxd4 {[%emt 0:03:32]} 29. Nh2 {[%emt 0:03:11]} Bf5 {[%emt 0:00:48]} 30. Nf1 {[%emt 0:00:55]} Rd7 {[%emt 0:01:42]} 31. b3 {[%emt 0:02:28]} Rfd8 {[%emt 0:00:50]} 32. Rac1 {[%emt 0:00:22]} Bxe4 {[%emt 0:02:50]} 33. Rxe4 {[%emt 0:00:05]} Qc6 {[%emt 0:00:14]} 34. Rce1 {[%emt 0:03:31]} Qe6 {[%emt 0:03:26]} 35. Rc1 {[%emt 0:00:22]} Nf5 {[%emt 0:00:49]} 36. Rce1 {[%emt 0:06:38]} Rd3 {[%emt 0:00:27]} 37. Qg2 {[%emt 0:02:22]} b5 {[%emt 0:01:10]} 38. Rc1 {[%emt 0:04:01]} b6 {[%emt 0:00:45]} 39. Kh2 {[%emt 0:00:44]} Qg6 {[%emt 0:00:34]} 40. Rce1 {[%emt 0:01:03]} h5 41. Rc1 Qe6 42. Kg1 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Sahoo, Utkal Ranjan"]
[Black "Predke, Alexandr"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2388"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,140,-9,-9,-8,-8,-6,-6,-8,-8,-10,-7,-6,-8,-16,-16,-12,-7,-6,-8,-13,-16,-14,0,0,0,0,6,0,0,0,0,0,0,0,0,-8,-3,-3,-4,-40,-41,-41,-41,-46,-32,-44,-12,-38,0,0,0,0,0,0,0,0,0,-29,-29,-34,-36,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-86,-87,-93,-46,-70,-47,-54,-54,-70,-70,-87,-77,-94,-79,-81,-79,-87,-80,-58,-66,-74,-74,-228,-236,-222,-221,-294,-225,-1016,-958,-29975,-29976,-29976,-789,-29977,-29978,-29978,-29979,-29985,-29986,-29996,-29997]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. O-O O-O 12. Rae1 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} (12. h3 Re8 13. Bf4 Bf8 14. Ne5 Bg7 15. Bh2 Nxe5 16. Bxe5 Ne4 17. Bxg7 Kxg7 18. Nxe4 Rxe4 19. b4 a6 20. a4 Qd6 21. b5 {½-½ (34) Bu,X (2723)-Wei,Y (2696) Wuxi 2016}) 12... Ne4 {LiveBook: 3 Games} 13. Bf4 Re8 14. Nd2 {The position is equal.} Nxd2 15. Qxd2 Nb6 $146 16. Qd3 Bd6 17. Bxd6 Qxd6 18. f3 Qb4 19. Re2 Rad8 20. Rd1 Re6 21. b3 a5 22. Qc2 f5 23. g3 Rde8 24. Rde1 R6e7 25. Nd1 {[%cal Bc3d1,Bd1f2,Bf2d3][%mdl 32]} a4 26. Nf2 axb3 27. axb3 Ra8 28. Nd3 Qb5 (28... Qa3 {keeps more tension.} 29. Nc5 Qa5 30. Kg2 Qb4 31. Nd3 Qd6) 29. Qc5 Qxc5 30. Nxc5 Nc8 31. Kf2 Nd6 32. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} Ra3 33. Rb2 $1 Nb5 34. Nd3 g5 35. Rg1 Kf8 36. h4 g4 37. fxg4 fxg4 38. Ne5 Rg7 39. Kg2 Ke7 40. Rf1 Nd6 41. Rf4 h5 42. Nd3 Rg6 43. Rf1 Re6 44. Re1 Rf6 45. Nf4 Rf5 46. Rf1 Kd7 47. Rg1 Ne4 48. Rf1 Kd6 49. Rc1 Ke7 50. Rf1 Ke8 51. Re1 Kf7 52. Ree2 Kg7 53. b4 Nc3 $1 {[%cal Rc3e2]} 54. Re1 Kh6 55. Rf1 Rf8 56. Kh2 Nb5 57. Re1 Rf7 58. Kg1 Re7 59. Ng2 Nd6 60. Kh2 Nc4 $36 {[%mdl 2048] Black is on the roll.} 61. Rbb1 $2 {[#]} (61. Rbe2 $17 {keeps fighting.}) 61... Nd2 $1 $19 62. Ra1 Rb3 {And now ...Nf3+ would win.} 63. Rec1 Rb2 64. Ra8 $2 {[#]} (64. Kg1) 64... Rxe3 $1 {[%mdl 512]} 65. Rh8+ (65. Nxe3 Nf3+) 65... Kg7 66. Rb8 Nf3+ 67. Kh1 Re7 {Black mates.} 68. b5 Rxb5 69. Nf4 Rb2 {[%csl Gf3][%cal Rb2h2]} 70. Nxh5+ Kf7 {Accuracy: White = 57%, Black = 74%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Sarwat, Walaa"]
[Black "Pantsulaia, Levan"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "2265"]
[BlackElo "2597"]
[Annotator "ChessBase"]
[PlyCount "84"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:05:36]} 2. Nf3 {[%emt 0:00:00]} a6 {[%emt 0:00:48]} 3. c4 {[%emt 0:02:50]} e6 {[%emt 0:00:14]} 4. d4 {[%emt 0:00:55]} cxd4 {[%emt 0:00:08]} 5. Nxd4 {[%emt 0:00:34]} Nf6 {[%emt 0:00:12]} 6. Nc3 {[%emt 0:04:08]} Bb4 {[%emt 0:01:37]} 7. Bd3 {[%emt 0:12:56]} Qc7 {[%emt 0:02:31]} 8. O-O {[%emt 0:04:25]} Nc6 {[%emt 0:00:50]} 9. Nxc6 {[%emt 0:01:34]} dxc6 {[%emt 0:00:59]} 10. Qb3 {[%emt 0:04:58]} Ng4 {[%emt 0:03:06]} 11. g3 {[%emt 0:01:52]} Bc5 {[%emt 0:00:11]} 12. Na4 {[%emt 0:03:20]} Bd4 {[%emt 0:00:31]} 13. c5 {[%emt 0:00:36]} h5 {[%emt 0:03:17]} 14. Be2 {[%emt 0:01:24]} Rb8 {[%emt 0:01:06]} 15. Kg2 {[%emt 0:01:21]} e5 {[%emt 0:00:11]} 16. f3 {[%emt 0:01:41]} Nf6 {[%emt 0:00:56]} 17. Be3 {[%emt 0:01:35]} Be6 {[%emt 0:02:55]} 18. Qa3 {[%emt 0:00:25]} Rd8 {[%emt 0:04:35]} 19. Rad1 {[%emt 0:01:40]} h4 {[%emt 0:01:01]} 20. Rh1 {[%emt 0:01:30]} hxg3 {[%emt 0:04:54]} 21. hxg3 {[%emt 0:00:26]} Rxh1 {[%emt 0:00:06]} 22. Kxh1 {[%emt 0:01:31]} Bxa2 {[%emt 0:05:41]} 23. Bxd4 {[%emt 0:14:08]} exd4 {[%emt 0:00:16]} 24. Kg2 {[%emt 0:00:11]} Be6 {[%emt 0:02:27]} 25. Qb4 {[%emt 0:01:54]} a5 {[%emt 0:04:19]} 26. Qb6 {[%emt 0:02:15]} Qe5 {[%emt 0:04:12]} 27. Qxa5 {[%emt 0:01:07]} b5 {[%emt 0:01:04]} 28. Rh1 {[%emt 0:02:26]} Ke7 {[%emt 0:00:42]} 29. Nb6 {[%emt 0:04:17]} d3 {[%emt 0:01:50]} 30. Bd1 {[%emt 0:10:46]} Qxb2+ {[%emt 0:00:14]} 31. Kf1 {[%emt 0:00:18]} Qc1 {[%emt 0:00:26]} 32. Kg2 {[%emt 0:00:56]} Qxc5 {[%emt 0:00:11]} 33. Re1 {[%emt 0:04:28]} d2 {[%emt 0:00:22]} 34. Rh1 {[%emt 0:00:40]} g5 {[%emt 0:02:39]} 35. Rh6 {[%emt 0:01:17]} g4 {[%emt 0:03:02]} 36. e5 {[%emt 0:05:24]} Qxe5 {[%emt 0:00:50]} 37. Qa3+ {[%emt 0:01:34]} c5 {[%emt 0:01:10]} 38. fxg4 {[%emt 0:02:34]} Nxg4 {[%emt 0:02:07]} 39. Rxe6+ {[%emt 0:00:54]} Qxe6 {[%emt 0:01:25]} 40. Qxc5+ {[%emt 0:01:00]} Kf6 {[%emt 0:00:06]} 41. Qc3+ {[%emt 0:03:24]} Kg6 {[%emt 0:00:45]} 42. Bc2+ {[%emt 0:00:40]} f5 {[%emt 0:00:15]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Sai Vishwesh.C"]
[Black "Popov, Ivan"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "2250"]
[BlackElo "2588"]
[Annotator "ChessBase"]
[PlyCount "64"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:03:50]} 2. d4 {[%emt 0:00:16]} cxd4 {[%emt 0:00:21]} 3. c3 {[%emt 0:00:08]} dxc3 {[%emt 0:00:41]} 4. Nxc3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:41]} 5. Nf3 {[%emt 0:00:10]} d6 {[%emt 0:00:32]} 6. Bc4 {[%emt 0:00:06]} a6 {[%emt 0:00:32]} 7. O-O {[%emt 0:00:07]} Nf6 {[%emt 0:00:06]} 8. Qe2 {[%emt 0:03:57]} Bg4 {[%emt 0:00:24]} 9. Rd1 {[%emt 0:00:42]} e6 {[%emt 0:00:48]} 10. Bf4 {[%emt 0:01:56]} Nh5 {[%emt 0:00:25]} 11. Be3 {[%emt 0:03:19]} Ne5 {[%emt 0:00:59]} 12. Nxe5 {[%emt 0:00:12]} Bxe2 {[%emt 0:00:08]} 13. Bxe2 {[%emt 0:00:03]} Nf6 {[%emt 0:04:18]} 14. Nc4 {[%emt 0:22:15]} b5 {[%emt 0:09:55]} 15. e5 {[%emt 0:00:08]} bxc4 {[%emt 0:02:07]} 16. exf6 {[%emt 0:00:05]} gxf6 {[%emt 0:19:57]} 17. Bf3 {[%emt 0:02:01]} d5 {[%emt 0:15:46]} 18. Nxd5 {[%emt 0:02:22]} exd5 {[%emt 0:01:39]} 19. Bxd5 {[%emt 0:01:04]} Rc8 {[%emt 0:01:32]} 20. Bb7 {[%emt 0:00:37]} Qc7 {[%emt 0:00:18]} 21. Bxc8 {[%emt 0:11:09]} Qxc8 {[%emt 0:00:03]} 22. Re1 {[%emt 0:00:31]} Be7 {[%emt 0:07:51]} 23. Bd2 {[%emt 0:01:41]} Qb7 {[%emt 0:00:33]} 24. Rac1 {[%emt 0:03:20]} Rg8 {[%emt 0:05:31]} 25. g3 {[%emt 0:00:06]} Rg4 {[%emt 0:02:25]} 26. Bc3 {[%emt 0:02:07]} Kf8 {[%emt 0:01:16]} 27. a3 {[%emt 0:00:10]} Re4 {[%emt 0:01:31]} 28. Red1 {[%emt 0:00:26]} h5 {[%emt 0:00:33]} 29. h4 {[%emt 0:01:39]} f5 {[%emt 0:00:16]} 30. Rd2 {[%emt 0:00:07]} f4 {[%emt 0:00:48]} 31. Rcd1 {[%emt 0:00:06]} fxg3 {[%emt 0:00:29]} 32. fxg3 {[%emt 0:00:04]} Qc7 {[%emt 0:01:51]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Kurbonboeva, Sarvinoz"]
[Black "Deepan Chakkravarthy J."]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2214"]
[BlackElo "2543"]
[Annotator "ChessBase"]
[PlyCount "80"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:38]} Nf6 {[%emt 0:02:53]} 2. c4 {[%emt 0:00:26]} e6 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:21]} Bb4+ {[%emt 0:00:08]} 4. Bd2 {[%emt 0:01:00]} a5 {[%emt 0:00:06]} 5. Bg2 {[%emt 0:00:31]} O-O {[%emt 0:00:08]} 6. Nf3 {[%emt 0:00:15]} d6 {[%emt 0:06:35]} 7. O-O {[%emt 0:00:30]} Bxd2 {[%emt 0:00:04]} 8. Qxd2 {[%emt 0:03:13]} Qe7 {[%emt 0:02:45]} 9. Nc3 {[%emt 0:02:42]} c6 {[%emt 0:05:14]} 10. e4 {[%emt 0:04:17]} e5 {[%emt 0:00:10]} 11. c5 {[%emt 0:16:07]} dxc5 {[%emt 0:08:48]} 12. dxe5 {[%emt 0:00:21]} Ng4 {[%emt 0:00:06]} 13. Qd6 {[%emt 0:07:17]} Re8 {[%emt 0:00:05]} 14. Rfd1 {[%emt 0:04:39]} Nd7 {[%emt 0:00:27]} 15. Qxe7 {[%emt 0:07:53]} Rxe7 {[%emt 0:01:02]} 16. Na4 {[%emt 0:00:09]} g6 {[%emt 0:04:46]} 17. Rac1 {[%emt 0:02:13]} c4 {[%emt 0:02:56]} 18. Bh3 {[%emt 0:19:37]} h5 {[%emt 0:00:43]} 19. Rd6 {[%emt 0:00:03]} b5 {[%emt 0:14:28]} 20. Nc3 {[%emt 0:01:13]} Bb7 {[%emt 0:00:06]} 21. e6 {[%emt 0:03:32]} fxe6 {[%emt 0:00:03]} 22. Nd4 {[%emt 0:05:54]} Nde5 {[%emt 0:13:30]} 23. f3 {[%emt 0:01:46]} c5 {[%emt 0:01:15]} 24. Nxe6 {[%emt 0:01:07]} Nxf3+ {[%emt 0:04:10]} 25. Kg2 {[%emt 0:00:05]} b4 {[%emt 0:02:51]} 26. Kxf3 {[%emt 0:00:33]} bxc3 {[%emt 0:00:09]} 27. Rxc3 {[%emt 0:01:47]} Rae8 {[%emt 0:05:50]} 28. Nxc5 {[%emt 0:02:19]} Bxe4+ {[%emt 0:10:10]} 29. Nxe4 {[%emt 0:00:20]} Rxe4 {[%emt 0:01:05]} 30. Rd2 {[%emt 0:00:36]} Kg7 {[%emt 0:03:05]} 31. Bxg4 {[%emt 0:04:23]} hxg4+ {[%emt 0:00:06]} 32. Kf2 {[%emt 0:00:03]} Kh6 {[%emt 0:03:52]} 33. Rdc2 {[%emt 0:00:30]} Rf8+ {[%emt 0:02:33]} 34. Kg2 {[%emt 0:00:12]} Rc8 {[%emt 0:00:04]} 35. Kf2 {[%emt 0:00:48]} Kg5 {[%emt 0:00:24]} 36. b3 {[%emt 0:03:57]} Rf8+ {[%emt 0:02:12]} 37. Kg2 {[%emt 0:00:07]} cxb3 {[%emt 0:00:05]} 38. axb3 {[%emt 0:00:34]} Rf5 {[%emt 0:00:20]} 39. Rc5 {[%emt 0:03:27]} Rb4 {[%emt 0:01:44]} 40. Rxf5+ {[%emt 0:00:48]} gxf5 {[%emt 0:00:19]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Vinoth Kumar, M.."]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2105"]
[BlackElo "2541"]
[Annotator "RC"]
[PlyCount "82"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. g3 {[%emt 0:00:00]} Nf6 {[%emt 0:01:23]} 2. Bg2 {[%emt 0:00:00]} e5 {[%emt 0:00:22]} 3. d3 {[%emt 0:00:02]} d5 {[%emt 0:00:18]} 4. Nd2 {[%emt 0:02:09]} c6 {[%emt 0:02:13]} 5. e4 {[%emt 0:00:11]} Bd6 {[%emt 0:00:45]} 6. Nh3 {[%emt 0:00:16]} O-O {[%emt 0:00:17]} 7. f3 {[%emt 0:00:01]} a5 {[%emt 0:08:52]} 8. O-O {[%emt 0:01:38]} a4 9. Kh1 a3 {[%emt 0:01:53]} 10. b3 {[%emt 0:01:11]} Na6 {[%emt 0:02:56]} 11. Nb1 {[%emt 0:07:13]} Nc7 {[%emt 0:00:50]} 12. c3 Nb5 {[%emt 0:12:43]} 13. Qc2 {[%emt 0:01:54]} Qe7 {[%emt 0:03:51]} 14. Nf2 {[%emt 0:06:44]} Re8 {[%emt 0:05:19]} 15. Nd1 {[%emt 0:19:30]} h6 {[%emt 0:03:42]} 16. g4 {[%emt 0:08:36]} d4 {[%emt 0:02:30]} 17. cxd4 {[%emt 0:04:06]} Nxd4 {[%emt 0:00:53]} 18. Qf2 {[%emt 0:00:06]} Ne6 {[%emt 0:09:13]} 19. Nbc3 {[%emt 0:01:03]} Bc5 {[%emt 0:03:29]} 20. Qg3 {[%emt 0:00:42]} Rd8 {[%emt 0:01:02]} 21. Nf2 {[%emt 0:05:38]} Nf4 {[%emt 0:08:09]} 22. Bxf4 {[%emt 0:05:19]} exf4 {[%emt 0:00:07]} 23. Qxf4 {[%emt 0:00:16]} Bd6 {[%emt 0:00:23]} 24. Qd2 {[%emt 0:01:39]} Qe5 {[%emt 0:00:06]} 25. f4 {[%emt 0:00:06]} Qxf4 {[%emt 0:00:04]} 26. Qxf4 {[%emt 0:00:06]} Bxf4 {[%emt 0:00:03]} 27. h3 Be6 {[%emt 0:04:17]} 28. Ne2 {[%emt 0:16:29]} Be5 {[%emt 0:00:48]} 29. Rab1 {[%emt 0:04:13]} c5 {[%emt 0:00:45]} 30. Rfc1 {[%emt 0:02:30]} Rac8 {[%emt 0:00:02]} 31. Bf1 {[%emt 0:00:50]} b5 {[%emt 0:00:15]} 32. Ng1 {[%emt 0:01:48]} Nd7 {[%emt 0:02:01]} 33. Nf3 {[%emt 0:00:15]} Bf4 {[%emt 0:01:10]} 34. Rc2 {[%emt 0:00:42]} Ne5 {[%emt 0:00:11]} 35. Ne1 {[%emt 0:03:09]} Nc6 {[%emt 0:00:09]} 36. Rxc5 {[%emt 0:02:18]} Be3 {[%emt 0:00:03]} 37. Rc2 {[%emt 0:00:18]} Nd4 {[%emt 0:00:04]} 38. Rxc8 {[%emt 0:00:43]} Rxc8 {[%emt 0:00:01]} 39. Kg2 {[%emt 0:02:04]} Rc1 {[%emt 0:00:08]} 40. Rxc1 {[%emt 0:00:37]} Bxc1 {[%emt 0:00:01]} 41. Nd1 {[%emt 0:00:40]} b4 {[%emt 0:00:02]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Dahale, Atul"]
[Black "Deviatkin, Andrei"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2044"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,130,-11,12,10,10,7,15,18,10,-14,0,-37,-18,-33,0,-31,-33,-34,-18,-41,-36,-31,-35,-54,-45,-67,-69,-79,-68,-89,-70,-73,-72,-71,-64,-67,-70,-70,-70,-93,-93,-93,-76,-93,-93,-93,-93,-83,-44,-52,-52,-62,-60,-56,-46,-68,-59,-83,-83,-83,-83,-83,0,-83,-20,-83,-76,-76,-69,-75,-81,-81,-69,-79,-83,-92,-68,-78,-79,-142,-78,-77,-90,-81,-77,-157,-124,-121,-114,-256,0,-567,-562,-529,-547,-539,-510,-647,-650,-643,-631,-593,-555,-548,-542,-604,-604,-744,-744,-661,-662,-822,-819,-885,-880]} 1. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bf5 5. O-O e6 6. b3 h6 7. Bb2 Nbd7 8. Nbd2 Be7 9. c4 Ne4 10. Nxe4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Bxe4 11. Nd2 Bxg2 12. Kxg2 {The position is equal.} O-O 13. f3 $146 ({Predecessor:} 13. e4 dxe4 14. Nxe4 Nf6 15. Qc2 Nxe4 16. Qxe4 Bf6 17. Rfd1 Qc7 {½-½ (53) Bryakin,M (2338)-Shagbazyan,T (2406) Voronezh 2017}) 13... b5 14. e4 bxc4 15. bxc4 Qa5 16. Qc2 Rab8 17. Bc3 Qa6 18. exd5 exd5 19. Rfe1 Bf6 20. c5 Rfe8 21. Kf2 Nf8 22. Rxe8 Rxe8 23. Re1 Ne6 24. Nb3 Qc4 25. Qd2 Rb8 26. Rc1 Bg5 27. f4 {Threatens to win with Na5.} Bf6 28. Bb2 Qa4 29. Bc3 h5 30. Re1 g6 31. Kg2 Ng7 32. h3 Qa6 33. Qe2 Qc8 34. Qd3 Qd7 35. Re2 Nf5 36. Nd2 Qc7 37. h4 Qd7 38. Nf3 Ng7 39. Re1 Nf5 40. Re2 $1 Nh6 (40... Kg7 $17) 41. Re1 (41. Ne5 $11 Bxe5 42. fxe5) 41... Kg7 $17 42. Qe2 Nf5 43. Ne5 Qb7 44. Qd3 Qc8 45. Re2 Rb5 46. Rb2 a6 47. Re2 Qb7 48. Re1 (48. Kh2 $142) 48... a5 ({Black should try} 48... Bd8 $1 49. Kg1 Bc7) 49. Qc2 a4 50. Qxa4 Bxe5 51. fxe5 (51. Rxe5 $142 Rb2+ 52. Bxb2 Qxb2+ {[%mdl 64] Double Attack} 53. Kh3) 51... Rb1 52. Re2 Rc1 {Strongly threatening ...Qb1.} 53. Bb2 {[#]} (53. Bd2 $17 {was forced.} Rc4 {[%mdl 64] Double Attack} 54. Qb3 Qxb3 55. axb3 Rxd4 56. e6) 53... Rc4 $2 ({Better is} 53... Re1 $1 $19 {[%cal Re1e2][%mdl 512]} 54. Qc2 (54. Rxe1 $2 {is the wrong capture.} Qxb2+ {[%mdl 64] Double Attack} 55. Kh1 Qf2 $19) 54... Ne3+ 55. Rxe3 Rxe3) 54. Qd1 $2 {[%mdl 8192] [#]} (54. Qa5 $1 $11 {and White stays safe.}) 54... Qxb2 $1 $19 {[%mdl 576] Deflection. Black is clearly winning.} 55. Rxb2 Ne3+ {[%mdl 64] Double Attack} 56. Kf3 Nxd1 {[%mdl 4096] Endgame KRN-KR} 57. Rb6 Nc3 58. Rxc6 Nb5 59. Ke3 Rc3+ 60. Kd2 {[#] Threatening Rb6.} Rc2+ $1 {[%mdl 512]} 61. Kd3 (61. Kxc2 Nxd4+) 61... Rxa2 62. Rb6 Ra3+ 63. Kd2 Nxd4 64. c6 {intending c7.} Ne6 65. Rb7 d4 {Accuracy: White = 32%, Black = 71%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Siddarth, M."]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "C95"]
[WhiteElo "2040"]
[BlackElo "2421"]
[Annotator "RC"]
[PlyCount "74"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 4. Ba4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 5. O-O {[%emt 0:00:00]} Be7 {[%emt 0:00:21]} 6. Re1 {[%emt 0:00:06]} b5 {[%emt 0:00:06]} 7. Bb3 {[%emt 0:00:03]} O-O {[%emt 0:00:12]} 8. c3 {[%emt 0:00:14]} d6 {[%emt 0:00:05]} 9. h3 {[%emt 0:00:10]} Nb8 {[%emt 0:00:16]} 10. d4 {[%emt 0:00:17]} Nbd7 {[%emt 0:00:07]} 11. Nbd2 {[%emt 0:00:14]} Bb7 {[%emt 0:00:37]} 12. Bc2 {[%emt 0:00:22]} Re8 {[%emt 0:00:11]} 13. Nf1 {[%emt 0:00:09]} Bf8 {[%emt 0:00:11]} 14. Ng3 {[%emt 0:00:22]} c6 {[%emt 0:01:06]} 15. Nf5 {[%emt 0:02:09]} Qc7 {[%emt 0:00:57]} 16. Bg5 {[%emt 0:02:12]} h6 {[%emt 0:00:15]} 17. dxe5 {[%emt 0:05:17]} dxe5 {[%emt 0:00:15]} 18. Bh4 {[%emt 0:03:08]} g6 {[%emt 0:00:29]} 19. Ne3 {[%emt 0:01:29]} Bg7 {[%emt 0:01:27]} 20. Qe2 {[%emt 0:01:18]} c5 {[%emt 0:01:32]} 21. Ng4 {[%emt 0:04:16]} Nxg4 {[%emt 0:01:46]} 22. hxg4 {[%emt 0:00:41]} c4 {[%emt 0:00:07]} 23. Rad1 {[%emt 0:01:16]} Nc5 {[%emt 0:00:06]} 24. Rd2 {[%emt 0:02:06]} g5 {[%emt 0:05:36]} 25. Bg3 {[%emt 0:01:19]} Rad8 {[%emt 0:00:24]} 26. Nd4 {[%emt 0:01:46]} Qd7 {[%emt 0:00:14]} 27. Nb3 {[%emt 0:00:16]} Qe7 {[%emt 0:00:43]} 28. Nxc5 {[%emt 0:00:33]} Qxc5 {[%emt 0:00:06]} 29. Red1 {[%emt 0:00:07]} Rxd2 {[%emt 0:05:50]} 30. Qxd2 {[%emt 0:00:48]} Bc8 {[%emt 0:00:14]} 31. Qe2 {[%emt 0:04:55]} Be6 {[%emt 0:02:39]} 32. a3 {[%emt 0:07:05]} Bf6 {[%emt 0:00:36]} 33. Kf1 {[%emt 0:02:53]} Rd8 {[%emt 0:02:00]} 34. f3 {[%emt 0:01:01]} Rxd1+ 35. Qxd1 {[%emt 0:00:31]} Be7 {[%emt 0:01:22]} 36. Bf2 {[%emt 0:03:16]} Qc7 {[%emt 0:00:53]} 37. Qd2 {[%emt 0:01:06]} Kg7 {[%emt 0:03:26]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.21"]
[Round "6"]
[White "Barath Kalyan M"]
[Black "Czebe, Attila"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "2004"]
[BlackElo "2418"]
[Annotator "ChessBase"]
[PlyCount "62"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:07:34]} Nf6 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:13]} b6 {[%emt 0:01:31]} 3. Bf4 {[%emt 0:01:46]} Bb7 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:11]} Nh5 {[%emt 0:07:46]} 5. Bg3 {[%emt 0:02:27]} Nxg3 {[%emt 0:02:31]} 6. hxg3 {[%emt 0:00:10]} d6 {[%emt 0:00:32]} 7. Bd3 {[%emt 0:00:36]} g6 {[%emt 0:02:50]} 8. Nbd2 {[%emt 0:06:17]} Bg7 {[%emt 0:00:44]} 9. c3 {[%emt 0:00:57]} Nd7 {[%emt 0:01:32]} 10. Qb3 {[%emt 0:03:06]} e5 {[%emt 0:00:57]} 11. Be4 {[%emt 0:15:36]} c6 {[%emt 0:03:15]} 12. Nc4 {[%emt 0:06:04]} Qc7 {[%emt 0:10:44]} 13. dxe5 {[%emt 0:02:01]} dxe5 {[%emt 0:00:46]} 14. O-O-O {[%emt 0:09:58]} O-O {[%emt 0:03:05]} 15. Nd6 {[%emt 0:02:51]} Nc5 {[%emt 0:00:47]} 16. Qc2 {[%emt 0:01:13]} Ba6 {[%emt 0:09:34]} 17. b4 {[%emt 0:13:30]} Nxe4 {[%emt 0:02:02]} 18. Qxe4 {[%emt 0:03:38]} Rfd8 {[%emt 0:15:36]} 19. Nc4 {[%emt 0:01:08]} Rxd1+ {[%emt 0:03:40]} 20. Rxd1 {[%emt 0:00:07]} f5 {[%emt 0:03:01]} 21. Qh4 {[%emt 0:00:39]} e4 {[%emt 0:00:11]} 22. Ng5 {[%emt 0:00:10]} h6 {[%emt 0:08:59]} 23. Ne6 {[%emt 0:06:21]} Qf7 {[%emt 0:01:07]} 24. Rd8+ {[%emt 0:01:33]} Rxd8 {[%emt 0:00:05]} 25. Qxd8+ {[%emt 0:00:07]} Kh7 {[%emt 0:00:06]} 26. Nxg7 {[%emt 0:02:19]} Qxc4 {[%emt 0:00:12]} 27. Qf6 {[%emt 0:01:55]} Qf1+ {[%emt 0:00:11]} 28. Kb2 {[%emt 0:00:41]} Qe2+ {[%emt 0:00:06]} 29. Kb1 {[%emt 0:01:28]} Bd3+ {[%emt 0:00:14]} 30. Ka1 {[%emt 0:00:08]} Qc2 {[%emt 0:00:58]} 31. Ne8 {[%emt 0:00:07]} Qc1# 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Predke, Alexandr"]
[Black "Gajek, Radoslaw"]
[Result "1-0"]
[ECO "E46"]
[WhiteElo "2620"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,53,49,39,80,85,140,69,112,113,106,94,97,94,102,80,93,102,95,85,186,168,292,268,412,441,747,602,955,825,1414,1471,29988,29989,29989,29985,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d6 (5... d5 6. Nf3 Nbd7 7. Rc1 Be7 8. Qc2 a6 9. c5 c6 10. Bd3 Qc7 11. Na4 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. O-O Ne4 {½-½ (60) Aleksandrov,A (2602)-Melkumyan,H (2660) Batumi 2018}) 6. Bd3 {E46: Nimzo-Indian: Rubinstein: 4 e3 0-0 5 Ne2 without early Bd3} c5 7. a3 Ba5 8. dxc5 dxc5 9. Qc2 Nc6 10. Nf3 {LiveBook: 9 Games} Bc7 $146 ({Predecessor:} 10... h6 11. O-O-O Qe7 12. Rhg1 Ng4 13. Be1 Rb8 {1-0 (27) Zude,E (2381)-Rodriguez Ferraz,B (2175) Barcelona 2014}) 11. O-O-O g6 ({Black should try} 11... h6) 12. Ne4 (12. h4 $16) 12... Nxe4 13. Bxe4 Bd7 14. g4 e5 15. Rhg1 Qe7 16. Bd5 Rae8 {Threatening ...e4.} 17. h4 Kh8 18. Bc3 h6 {[#]} (18... a6 $16 {is a better defense.}) 19. Ne1 $1 $18 Kh7 {[#]} (19... Qxh4 $142 20. Nf3 Qe7) 20. h5 $1 e4 (20... Rg8 $142 21. hxg6+ Rxg6) 21. hxg6+ Kxg6 (21... fxg6 $142 22. Bxe4 Rg8) 22. f4 Kh7 23. Nf3 Rg8 24. Rh1 {Threatening mate with Rxh6+!} Rxg4 {[#]} 25. Rxh6+ $1 {[%mdl 512] White mates.} Kxh6 26. Rh1+ Kg6 27. Qh2 {Precision: White = 100%, Black = 21%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Popov, Ivan"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2588"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,123,50,54,65,52,49,80,85,95,89,80,100,89,81,87,99,87,94,94,75,80,78,81,62,66,68,75,88,80,47,56,37,102,110,131,133,134,116,129,118,117,113,110,103,85,36,33,25,25,27,27,27,70,44,50,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-59]} 1. e4 c5 2. Nf3 d6 3. d4 Nf6 {[%cal Bg8f6,Bf6e4,Be4f2][%mdl 32]} 4. dxc5 Nxe4 5. cxd6 Nc6 6. dxe7 {B53: Sicilian: 2...d6: Lines with Qxd4} (6. Bd3 Nxd6 7. O-O g6 8. Re1 Bg7 9. c3 O-O 10. h3 Bf5 11. Bxf5 Nxf5 12. Nbd2 Qc7 13. Ne4 Rad8 14. Qe2 b6 15. g4 Nd6 16. Bf4 e5 17. Nxd6 Rxd6 18. Nxe5 {0-1 (32) Anand,V (2786)-Nepomniachtchi,I (2751) Zuerich 2017}) 6... Qxd1+ 7. Kxd1 Nxf2+ 8. Ke1 Nxh1 9. exf8=Q+ Rxf8 10. Be3 Bg4 {LiveBook: 3 Games} 11. Nc3 {[%mdl 1024] White has compensation.} O-O-O {Strongly threatening ...Rfe8.} 12. Bd3 $1 f5 13. Kf1 Rfe8 {[#]} 14. Bg5 $146 Rd7 15. Re1 Rxe1+ 16. Nxe1 h6 17. Bc1 Ne5 18. Kg1 Nxd3 19. Nxd3 (19. cxd3 {is more complex.} g5 20. Kxh1 f4 21. h4 gxh4 22. Kg1) 19... g5 20. Kxh1 f4 21. Kg1 Bf5 22. Ne1 b5 23. a3 a5 24. b4 axb4 25. axb4 Kb7 (25... Rd4 $14) 26. Kf2 $16 Ka6 {[#]} 27. Ne2 $1 Rc7 28. Nd4 Be4 29. Ne6 Rc4 {[#]} 30. Nc5+ $1 Kb6 31. Nxe4 Rxe4 32. Bd2 Kc6 $1 33. g3 fxg3+ 34. hxg3 Kd5 35. Ng2 Re8 36. Ne3+ Ke4 37. Ng4 Re6 {The position is equal.} 38. Ke2 h5 39. Nf2+ (39. Nh2 {feels hotter.} Kd4+ 40. Kf2 Rf6+ 41. Kg2 g4 42. Nf1) 39... Kf5+ 40. Be3 Re8 41. c3 Rc8 42. Bd4 Re8+ 43. Be3 Rc8 44. Bd4 Re8+ 45. Kf3 g4+ 46. Kg2 Re2 47. Kf1 Rc2 48. Kg1 h4 {[%cal Bh5h4,Bh4h3][%mdl 32]} 49. Kg2 h3+ $1 50. Kg1 Rc1+ 51. Kh2 Re1 52. Bc5 Rc1 53. Bd4 Rf1 54. Nd3 Rd1 55. Nf2 Rd2 56. Kh1 Re2 57. Kh2 Re8 58. Kg1 Rg8 59. Kh2 Rg6 60. Kg1 Rg8 61. Kh2 Re8 62. Nd3 {Accuracy: White = 66%, Black = 84%.} (62. Kg1 $11) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Aleksandrov, Aleksej"]
[Black "Pantsulaia, Levan"]
[Result "0-1"]
[ECO "A56"]
[WhiteElo "2582"]
[BlackElo "2597"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,86,36,36,133,7,62,0,39,17,42,34,30,0,3,6,0,0,0,0,37,-16,-16,-16,0,-37,-33,-67,0,0,0,0,0,0,0,0,0,0,0,-14,0,-46,-44,-47,-23,-42,-26,-37,-39,-70,-42,-49,-39,-66,-8,-8,-8,-8,-8,-11,0,0,0,0,0,-162,-159,-144,-78,-104,-70,-29972,-5722]} 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 O-O 7. Be2 e6 8. dxe6 fxe6 9. e5 {LiveBook: 10 Games. E91: King's Indian: Classical: 6 Be2, unusual replies including 6...c5 and 6...Bg4} Ne8 (9... dxe5 $14 10. Qxd8 (10. Nxe5 Qxd1+ 11. Bxd1 Nfd7 $11) 10... Rxd8) (9... dxe5 10. Qxd8 Rxd8 11. Nxe5 Nfd7 12. Bg5 Rf8 13. Nxd7 Bxd7 14. Be7 Rc8 15. Rd1 Bc6 16. O-O Na6 {½-½ (42) Abasov,N (2516)-Mamedov,R (2660) Shamkir 2014}) 10. Ne4 $146 (10. h4 $1 $16) ({Predecessor:} 10. Bg5 Qd7 11. O-O Nc6 12. exd6 Nxd6 13. Nd2 Nd4 14. Bd3 b6 15. Nde4 Bb7 16. Nxd6 Qxd6 {½-½ (24) Cordts,I (2284)-Gschwendtner,K (2117) Bad Wiessee 2015}) 10... b6 (10... Nc6 $11) 11. exd6 (11. Bg5 $14 Qd7 12. Nxd6) 11... Bb7 12. Nfg5 Qd7 13. Bg4 Rf5 $1 14. O-O {Strongly threatening Re1.} h6 15. Nxe6 (15. Bxf5 exf5 16. Re1 fxe4 $17) 15... Qxe6 16. Ng3 Nxd6 {[#]} 17. Bf4 $1 {[%cal Rf4d6][%mdl 512]} Nf7 ({Don't go for} 17... Bxb2 $2 18. Bxd6 Bd4 19. Bf4 $1 $16 {[%mdl 512]} (19. Nxf5 gxf5 20. Bf3 Be4 $16)) (17... Rxf4 18. Bxe6+) 18. Nxf5 (18. Re1 $14 Qc6 19. Bf3 Rxf4 20. Bxc6 Nxc6 21. Qd7) 18... gxf5 $11 19. Re1 ({Reject} 19. Bf3 Be4 $17) 19... Qxc4 20. Re8+ Bf8 21. Bxh6 Nxh6 ({Black should try} 21... Nc6 $1 $15 22. Be2 Qd4 23. Rxa8 Bxa8 24. Bxf8 Kxf8) 22. Bf3 Qf7 {aiming for ...Bxf3.} 23. Bxb7 Qxe8 24. Bxa8 Bg7 25. Qd2 Qd7 $1 {[%cal Rd7d2]} 26. Qf4 Nc6 27. h3 Nd4 28. Kh1 Kh7 29. Rd1 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 30. b3 a4 31. Qe3 Qf7 {[%cal Ra4b3]} 32. Rb1 b5 $40 {[%mdl 128] Black is up to no good.} 33. g4 axb3 34. axb3 fxg4 (34... Qf6 $15) 35. hxg4 Nxg4 36. Qh3+ $1 Nh6 {And now ...Qf5 would win.} 37. Be4+ Kh8 38. Ra1 {Threatens to win with Ra8+.} Qf4 39. Ra8+ Bf8 40. Re8 $2 {[#]} (40. Qg2 $11 {and White stays safe.} Qf6 41. Qh3 (41. Qg6 $2 Qxg6 42. Bxg6 Kg7 $19)) 40... Kg7 $1 $19 41. b4 Ne2 ({Black should play} 41... Qxf2 42. bxc5 Bxc5 43. Qg2+ Qxg2+ 44. Kxg2 Kf6) 42. Qd7+ $17 Nf7 {Hoping for ...Qc1+.} 43. bxc5 $2 {[%mdl 8192]} (43. Kg2 $15) 43... Bxc5 {Precision: White = 44%, Black = 40%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Deepan Chakkravarthy J."]
[Black "Saravanan, V.."]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "2543"]
[BlackElo "2318"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,61,20,0,22,11,33,27,48,47,54,49,51,32,76,70,69,70,84,39,44,-30,-37,-39,-37,-57,-29,-74,-62,-81,-68,-394,-380,-364,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 4. b4 Bg7 5. e3 Bg4 6. c4 O-O 7. Bb2 c6 8. a4 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems} (8. Be2 Ne4 9. O-O Nxd2 10. Nxd2 Bxe2 11. Qxe2 Nd7 12. Rfd1 Re8 13. a4 a6 14. h3 e6 15. b5 axb5 16. axb5 {½-½ (37) Schlosser,P (2510)-Kozul,Z (2617) Karlsruhe 2018}) 8... Nbd7 9. Qb3 {LiveBook: 4 Games} Bxf3 10. Nxf3 e6 11. Be2 $146 ({Predecessor:} 11. b5 Re8 12. Be2 Ne4 13. O-O g5 14. Rad1 {1-0 (37) Ezat,M (2442)-Fawzy,A (2010) Cairo 2014}) 11... Ne4 12. O-O f5 13. Rad1 g5 14. b5 Rf6 15. Nd2 Nxd2 16. Rxd2 g4 17. f3 gxf3 18. gxf3 (18. Rxf3 $14 Rg6 19. Ba3) 18... Rg6+ $11 19. Kh1 Qg5 {[%csl Gg6][%cal Rg5g2]} 20. Bd3 Kh8 21. f4 {[#]} Qh4 $1 22. bxc6 bxc6 23. Qb7 $2 {[%mdl 8192]} ({Better is} 23. cxd5 $15 cxd5 24. Qd1) 23... Rg8 $19 {Strongly threatening ...Qh3.} 24. Qxd7 {And now cxd5 would win.} Bf8 $2 (24... Qg4 $19 {( -> ...Bh6)} 25. h3 (25. Qxc6 Bh6 26. h4 Qh3+ {[%mdl 64] Double Attack} 27. Rh2 Qxf1+ {[%mdl 64] Remove Defender, Back Rank} 28. Bxf1 Rg1#) 25... Rh6) 25. Bxf5 $1 $11 {The position is equal.} (25. Qxc6 $2 {leads to mate.} Qh3 26. Rdf2 Rg2 27. Rxg2 Qxg2#) 25... Rg1+ {[%mdl 64] [#] Decoy} 26. Rxg1 Rxg1+ 27. Kxg1 Qe1+ 28. Kg2 {[%csl Gf5][%cal Rd7h7]} Qxd2+ 29. Kf3 {[%csl Gf5][%cal Rd7h7]} Qd1+ 30. Kf2 {[%csl Gf5][%cal Rd7h7]} Qd2+ 31. Kf3 {Accuracy: White = 25%, Black = 54%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Tran, Tuan Minh"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2541"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,82,-5,0,-8,-6,-74,-78,-85,-87,-76,-78,-66,-72,-106,14,23,19,19,19,19,23,7,8,0,0,0,0,0,61,0,47,37,33,0,19,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 O-O 5. a3 Bxc3+ 6. bxc3 Ne8 7. e4 b6 8. Bd3 Nc6 {E27: Nimzo-Indian: Sämisch: 5...0-0 6 f3} 9. f4 (9. e5 f5 10. Nh3 Ba6 11. O-O Na5 12. Qe2 d5 13. Bg5 Qd7 14. cxd5 Bxd3 15. Qxd3 exd5 16. Rae1 {½-½ (52) Li,C (2720)-Sanal,V (2533) Khanty-Mansiysk 2017}) 9... Ba6 10. Nf3 Na5 11. Qe2 f5 12. e5 d5 {[%cal Ra6c4] LiveBook: 4 Games} 13. exd6 Nxd6 14. Nd2 $146 (14. Qxe6+ $11 {keeps the balance.} Kh8 15. Qe2) ({Predecessor:} 14. O-O Qe8 {½-½ (117) Zanan,E (2482)-Gorodetzky,D (2411) Israel 2018}) 14... Qh4+ 15. g3 Qh3 16. a4 (16. Qxe6+ $2 Kh8 $19) 16... Rad8 17. Ba3 {[%cal Bc1a3,Ba3c5,Bc5b4][%mdl 32] [#]} (17. Qxe6+ $2 Kh8 $19) 17... c5 $1 {[%mdl 512]} 18. O-O-O {[#]} (18. dxc5 Ndxc4) 18... Rfe8 (18... Ne4 $1 $17 {[%mdl 512]} 19. Kc2 (19. Bxe4 fxe4 20. dxc5 Rxd2 $15) (19. Nxe4 fxe4) 19... Rfe8) 19. dxc5 $11 bxc5 20. Bxc5 Ne4 21. Bxe4 fxe4 22. Bb4 $1 {[%cal Rb4a5]} e3 23. Qxe3 Nxc4 24. Nxc4 Bxc4 25. Rd2 (25. Qxa7 $2 Qg2 $19) 25... Rd5 (25... Rxd2 $11 26. Qxd2 Ra8) 26. Re1 ({White should play} 26. Rhd1 $14 Ra8 27. Rxd5 exd5 28. Re1) 26... Red8 27. Rxd5 Bxd5 28. Qd2 Rc8 {The position is equal.} 29. Kb2 h6 30. a5 Qh5 31. Re5 Qe8 32. Qe2 Qc6 ({Don't go for} 32... Qa4 $2 33. Rxd5 $1 {[%mdl 512]} Re8 34. Rd6 $18) 33. f5 exf5 ({Avoid the trap} 33... Qa4 $2 {[#]} 34. Rxd5 $1 {[%mdl 512]} exd5 35. Qe6+ Kh7 36. Qxc8 $18) 34. Rxf5 Re8 35. Re5 Rxe5 36. Qxe5 Qc4 37. Kc1 Be4 38. Qd4 Qe2 {[%csl Ge4][%cal Re2c2]} 39. Qd2 Qf1+ 40. Kb2 Kh7 41. Kb3 Bd3 {Accuracy: White = 56%, Black = 68%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Karthik Venkataraman"]
[Black "Shyaamnikhil P"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2515"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,93,39,35,26,37,30,29,38,35,36,39,35,24,25,21,31,16,16,13,14,18,21,13,11,18,46,0,50,50,43,43,41,41,50,41,50,39,45,12,37,0,49,35,62,53,54,64,68,59,59,59,74,75,68,73,66,60,82,60,60,52,136,135,129,114,125,128,116,117,123,110,152,145,206,188,473,459,430,411]} 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 a6 5. cxd5 exd5 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 h6 9. Bf4 {LiveBook: 24 Games} c5 (9... g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Bg3 Nh5 13. Qb3 Nxg3 14. hxg3 {½-½ (48) Karjakin,S (2773)-Caruana,F (2822) Saint Louis 2018}) 10. dxc5 Nxc5 11. O-O $146 (11. h3 {is more complex.} Be7 12. O-O O-O 13. Nd4 Rc8 14. Bf5) ({Predecessor:} 11. Rc1 Bd6 12. Bxd6 Qxd6 13. O-O O-O {½-½ (21) Duchardt,A (2317)-David Bordier,C (2318) ICCF email 2017}) 11... Bd6 12. Bxd6 Qxd6 13. h3 O-O 14. Be2 Bf5 15. Rc1 Rfd8 16. b4 Ne6 17. Qb3 Rac8 18. Rfd1 Rc7 19. Bd3 Bxd3 20. Rxd3 Rc4 21. a3 (21. Qxc4 $5 dxc4 22. Rxd6 Rxd6 23. a4 $14) 21... Ne4 22. Rcd1 {[%cal Rc3d5]} Nxc3 23. Rxc3 b5 24. Rcd3 Qc7 25. Qb2 ({Don't blunder} 25. Rxd5 $2 Rxd5 26. Rxd5 Rc3 $19) 25... Rc2 26. Qb1 Rd6 27. Ne1 Rc4 28. Qb2 Qd8 29. Nf3 Qc7 30. Qe5 Rc1 31. g3 f6 32. Qh5 Rxd1+ 33. Rxd1 Qd7 34. Nd4 Nxd4 35. Rxd4 $16 {[%mdl 4096] Endgame KQR-KQR} Kf8 36. Kg2 Qc6 37. Qg6 Qd7 38. Qh7 Qe6 (38... f5 $14) 39. Qh8+ Qg8 40. Qxg8+ Kxg8 {KR-KR} 41. e4 {[%cal Be3e4,Be4d5,Bd5d6][%mdl 32]} Kf7 42. exd5 f5 43. Kf3 Rd8 44. Rd3 Rc8 (44... Kf6 $16 45. Kg2 Rd6) 45. h4 $18 g5 $2 {[#]} (45... Rc2 46. d6 Ke8) 46. hxg5 hxg5 47. d6 {Precision: White = 73%, Black = 49%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Deviatkin, Andrei"]
[Black "Erigaisi Arjun"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2461"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,153,18,6,0,-8,0,-14,-24,-19,-25,-69,-71,-115,-119,-161,-152,-154,-164,-161,-163,-234,-219,-259,-259,-259,-272,-268,-267,-255,-243,-248,-229,-235,-235,-227,-209,-232,-197,-175,-194,-182,-155,-162,-104,-104,-114,-117,-105,-114,-105,-107,-100,-119,-87,-277,-250,-243,-235,-343,-320,-451,-399,-402,-399,-393,-377,-722,-375,-354,-300,-422,-372,-421,-414,-414,-408,-410,-396,-356,-287,-290,-285,-283,-280,-260,-254,-303,-300,-286,-252,-323,-289,-340,-329,-541,-539,-525,-517,-487,-473,-474,-469,-368,-66,-66,-68,-68,-65,-65,-64,-64,-64,-64,-62,-62,-62,-653,-61,-61,-61,-62,-62,-62,-62,-62,-62,-62,-64,-64,-62,-62,-62,-62,-61,-62,-61,-64,-64,-64]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} c5 2. c3 Nf6 3. e5 Nd5 4. g3 d6 5. exd6 e6 6. Bg2 Bxd6 7. Ne2 {B22: Sicilian: 2 c3} (7. Nf3 Nc6 8. O-O O-O 9. d4 cxd4 10. Nxd4 Nxd4 11. Qxd4 Qc7 12. Nd2 Rd8 13. Qc4 Bc5 14. Qe2 Bd7 15. Nb3 Bf8 16. c4 Nb4 17. Bf4 Qc8 18. Na5 Nc6 19. Nxc6 Bxc6 20. Rfd1 Bxg2 21. Rxd8 Qxd8 22. Kxg2 a6 23. Rd1 Qe8 24. Qe4 b5 25. Bd6 bxc4 26. Bxf8 Qxf8 27. Kf3 {½-½ (27) Marcelin,C (2462)-Van Wely,L (2667) Brest 2018}) 7... O-O 8. d4 Nc6 9. O-O {LiveBook: 8 Games. The position is equal.} Qe7 10. a3 $146 ({Predecessor:} 10. Re1 Rd8 11. Nd2 cxd4 12. Nxd4 Nxd4 13. Bxd5 Nc6 14. Be4 Bd7 15. Nc4 Bc7 16. Qh5 h6 17. Ne3 Be8 18. Qe2 {½-½ (18) Sequera Paolini,J (2357)-Urday Caceres,H (2486) Cali 2000}) 10... Rd8 11. dxc5 Bxc5 12. Qc2 b5 13. Nd2 Bb7 14. b4 Bb6 $36 {[%mdl 2048] Black is in control.} 15. c4 Nd4 16. Nxd4 Bxd4 17. cxd5 {[#] Bb2 is the strong threat.} Bxa1 18. Nb3 (18. dxe6 $142 Bxg2 19. exf7+ Qxf7 20. Kxg2) 18... Rac8 $19 (18... Bxd5 19. Bxd5 Rxd5 20. Nxa1 $14) 19. Qb1 Bf6 ({Stronger than} 19... Bxd5 20. Bxd5 Rxd5 21. Qxa1 $14) 20. dxe6 Bxg2 ({Don't do} 20... fxe6 21. Bxb7 Qxb7 22. Nc5 $19) 21. exf7+ Qxf7 22. Kxg2 Qd5+ 23. Kg1 Qd3 24. Qxd3 Rxd3 25. Nc5 Rd5 26. Be3 Bd4 27. Bxd4 Rxd4 {[%mdl 4096] Endgame KRR-KRN} 28. Re1 Kf7 29. Re5 Rc6 (29... Re8 $19 30. Rf5+ Kg8) 30. Kg2 $17 h6 31. h4 Rd1 32. h5 Ra1 33. Re3 Ra2 34. Rd3 a6 35. g4 $2 {[#]} (35. Ne4 $17) 35... Rf6 $1 $19 36. Kg3 Rfxf2 37. Rd7+ (37. Nxa6 $142 Rg2+ 38. Kh3) 37... Kg8 38. Ne6 (38. Rd8+ $142 Kh7 39. Rd3) 38... Rg2+ 39. Kf3 Raf2+ 40. Ke3 Rf6 41. Rxg7+ Kh8 42. Re7 Rxg4 43. Re8+ (43. Nc5 {was the only chance.}) 43... Kh7 44. Nf8+ Kg7 45. Nd7 Rf5 46. Re7+ Kh8 47. Re8+ Kh7 48. Re6 {intending Nf6+.} Rgg5 49. Rxa6 Kg7 50. Nc5 {next Ne6+ is good for White.} Rxh5 51. a4 bxa4 52. Rxa4 Rf7 53. Ke4 Kh7 54. Ke3 Rhf5 55. Ne4 $2 (55. Kd4 {might work better.} Rf4+ 56. Kd3) 55... Re7 56. b5 Rxb5 57. Kf4 Reb7 58. Ra6 Rf7+ 59. Kg4 {If White can now play Nf6+ this consolidates a bit.} Re5 $2 (59... Rbf5 $19 60. Kh3 Re5) 60. Nf6+ $15 Kh8 61. Nh5 $1 Rg5+ 62. Kh4 Rg1 63. Rxh6+ Kg8 64. Rf6 Ra7 65. Rf4 Kh7 66. Nf6+ $2 {[%mdl 8192]} (66. Rf5 $15) 66... Kh6 $2 (66... Kg6 $19 67. Rg4+ Rxg4+ 68. Nxg4 Kf5 69. Ne3+ Kf4 70. Nd5+ Ke4 71. Nf6+ Kf5) 67. Ng4+ {Black is slightly better.} Kg7 68. Kg5 Ra5+ 69. Rf5 Ra6 {Hoping for ...Rg6+.} 70. Rf4 Rb6 71. Kf5 Rb5+ 72. Ne5 Rg6 73. Re4 Rh6 74. Kg4 Rb2 75. Kg3 Re6 76. Rg4+ Kf6 77. Nf3 {Precision: White = 55%, Black = 72%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Lugovskoy, Maxim"]
[Black "Paichadze, Luka"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "2445"]
[BlackElo "2583"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,119,0,0,0,0,0,9,0,0,0,6,-6,0,-13,-6,-59,-12,-22,-8,-33,0,-30,-23,-18,-16,-26,0,0,0,0,0,0,0,-2,0,0,0,0,0,-14,-10,-12,-10,-8,-8,-47,-20,-18,-21,-30,-28,-16,-5,-13,-13,-14,0,0,0,0,0,0,0,0,0,-10,-10,-13,-10,-12,0,-14,0,-15,-11,-18,-8,-59,-18,-69,-13,-65,-75,-113,-113,-86,-12,-27,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. N1e2 Nf6 7. Nf4 e5 8. dxe5 {B18: Classical Caro-Kann: 4...Bf5 sidelines} Qa5+ 9. c3 Qxe5+ 10. Be2 (10. Qe2 Nbd7 11. Nxg6 hxg6 12. Bf4 Qxe2+ 13. Bxe2 Bc5 14. Bf3 O-O-O 15. O-O Nd5 16. Bxd5 cxd5 {½-½ (51) Svidler,P (2727)-Giri,A (2793) Baku 2015 CBM 169 [Ramirez Alvarez,Alejandro]}) 10... Nbd7 {[%cal Bb8d7,Bd7b6,Bb6d5][%mdl 32]} 11. O-O O-O-O 12. Qa4 Bc5 {LiveBook: 8 Games} 13. Nd3 Bxd3 $1 14. Bxd3 Nb6 15. Qc2 Nbd5 {[#]} 16. Bd2 $146 g6 17. b4 Bb6 18. Rae1 Qd6 19. Rd1 ({Better is} 19. Bg5 $11) 19... Bc7 20. Be2 h5 {[#] ...h4 is the strong threat.} 21. Rfe1 $1 Rhe8 22. Bf3 (22. Bg5 $5 {[%cal Rc3c4]} Rd7 23. Qc1 $14) 22... Rxe1+ 23. Bxe1 Qe6 24. Bd2 Nb6 25. Re1 Qd6 26. Bg5 Re8 27. Rxe8+ Nxe8 28. Nf1 Ng7 29. a4 Ne6 30. Be3 a6 31. b5 axb5 32. axb5 cxb5 33. Qe4 Nd8 $1 34. Qe8 Nd7 35. Qe4 Ne5 {next ...f5 is good for Black.} 36. Be2 f5 37. Qb1 Ng4 38. Bxg4 hxg4 39. Qxb5 Nc6 40. Qc4 Nd8 41. Qa4 Qc6 42. Qd4 b6 43. Qg7 Qe6 44. Bg5 Nf7 $36 {[%mdl 2048] Black is pushing.} 45. Bf6 Nd6 46. Bd4 Ne4 47. Qh6 Kb7 48. Qg7 f4 49. Qf8 {[#]} f3 $1 {[%mdl 512] Hoping for ...fxg2.} 50. Qh6 (50. h4 $11) (50. gxf3 Ng5) 50... fxg2 51. Kxg2 (51. Ng3 $11) 51... Qf5 ({Black should play} 51... Qc6 $15 52. Kg1 Qd5) 52. Qe3 (52. h4 $1 $11) 52... Qd5 {Strongly threatening ...Ng5+.} 53. f3 Ng5 {[%cal Rg4f3]} 54. Nd2 gxf3+ (54... b5 $17) 55. Nxf3 $11 Nxf3 (55... Ne4 {is more complex.} 56. Kg1 Qf5 57. Kh1 Bf4 58. Qe2 g5) 56. Qxf3 {The position is equal.} Qxf3+ 57. Kxf3 Bxh2 {Threatening ...b5.} 58. Bxb6 Kxb6 $17 {KB-KP} 59. Kg4 $1 Kc5 60. Kg5 {Precision: White = 53%, Black = 49%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Laxman, R.R."]
[Black "Deshmukh, Anup"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2421"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,65,26,27,33,34,24,25,11,25,20,7,11,23,0,0,0,0,0,0,0,27,0,23,-45,-39,-56,-41,-27,-10,-40,-10,-20,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} Be7 10. g3 (10. O-O-O dxc4 11. Bxc4 a6 12. Be2 Nbd7 13. Nxg6 hxg6 14. Kb1 c5 15. d5 exd5 16. Nxd5 Nxd5 17. Qxd5 {0-1 (31) Karjakin,S (2773)-Caruana,F (2822) Saint Louis 2018}) 10... Nbd7 11. cxd5 Nxd5 12. Nxg6 hxg6 13. O-O-O a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32] LiveBook: 3 Games} 14. Nxd5 exd5 15. e4 a4 $146 16. Qc2 Qb6 17. Bc3 a3 18. b3 Bb4 19. h4 Bxc3 20. Qxc3 dxe4 21. fxe4 {[%cal Bf3e4,Be4e5][%mdl 32]} Nf6 22. Bg2 O-O 23. e5 Nd5 24. Bxd5 (24. Qd2 $11) 24... cxd5 $15 25. Kb1 Rac8 $1 {[%cal Rc8c3]} 26. Qd3 Qb4 27. h5 Rc3 28. Qd2 {The position is equal.} Rfc8 {[#] Hoping for ...Rxb3+!} 29. hxg6 fxg6 {aiming for ...Rxb3+!} 30. Qh2 Rxb3+ 31. axb3 Qxb3+ 32. Ka1 {[#] White threatens Qh8+ and mate.} Qc3+ 33. Ka2 {Precision: White = 56%, Black = 52%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Czebe, Attila"]
[Black "Stupak, Kirill"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2418"]
[BlackElo "2542"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,72,-59,-68,-61,-42,-55,-51,-100,-37,-37,-38,-124,-5,-13,-16,-24,-28,-71,-47,-224,-149,-238,-247,-312,-312,-308,-311,-312,-299,-303,-247,-262,-247,-247,-247,-247,-247,-247,-243,-240,-243,-237,-251,-265,-265,-265,-259,-265,-263,-275,-261,-271,-270,-269,-258,-289,-289,-529,-527,-506,-523,-478,-519,-496,-492]} 1. Nf3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 2. c4 d4 3. b4 (3. e3 Nc6 4. b4 dxe3 5. fxe3 e5 6. b5 Nb4 7. Nc3 Bf5 8. e4 Bg4 9. a3 Bxf3 10. gxf3 Nd3+ 11. Bxd3 Qxd3 12. Qe2 {1-0 (30) Iturrizaga Bonelli,E (2636)-Xiong,J (2651) chess.com INT 2018}) 3... g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 4. d3 g4 5. Nfd2 e5 6. g3 $146 {A09: Réti Opening: 1 Nf3 d5 2 c4} ({Predecessor:} 6. Qb3 a5 7. b5 Nd7 8. e3 Nc5 9. Qc2 Bf5 10. e4 Be6 {0-1 (50) Frisk,E (2266)-Shyam,S (2489) Caleta 2015}) 6... h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 7. Bg2 h4 8. O-O {Black is slightly better.} Ne7 (8... Qd7 $17 9. c5 f6 10. gxh4 a5) 9. Ne4 $15 {[%cal Re4f6]} Ng6 10. f3 {[#]} (10. Qa4+ $15 Bd7 11. b5) 10... f5 (10... gxf3 $1 $17 11. Rxf3 f5) 11. fxg4 $11 fxe4 12. Bxe4 Rg8 {Threatens to win with ...c6.} 13. Qe1 hxg3 14. Bd5 $2 ({White has to play} 14. hxg3 $15 Be6 15. Bxb7) 14... Rg7 15. Qxg3 (15. hxg3 $17 c6 16. Be4) 15... c6 $19 16. Be4 Nf4 17. Rxf4 exf4 18. Bxf4 Bxg4 (18... Bxb4 19. g5 $19) 19. Be5 Qg5 20. Na3 Be6 ({Don't take} 20... Bxb4 21. Nc2 $17) 21. Bxg7 Qxg3+ 22. hxg3 {aiming for Bxf8.} Bxg7 23. Kg2 Nd7 24. b5 Nc5 25. Bf3 Kd7 26. bxc6+ bxc6 27. Rh1 Rg8 28. Rh5 Kd6 29. Rg5 Be5 30. Rxg8 Bxg8 31. Nc2 a5 32. Bh5 Bh7 33. Kf3 $2 {[#]} (33. Ne1) 33... Nxd3 $1 {[%mdl 512] Black is clearly winning.} 34. exd3 Bxd3 35. Ne1 Bxc4 36. a3 Bd5+ {Precision: White = 39%, Black = 76%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Girish, A. Koushik"]
[Black "Kurbonboeva, Sarvinoz"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2411"]
[BlackElo "2214"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,95,18,18,44,56,83,72,65,76,100,50,57,55,52,50,58,57,53,53,53,55,55,55,48,46,100,97,135,120,133,9,9,8,8,16,14,8,16,15,19,12,8,8,8,8,83,77,185,189,217,194,190,193,283,278,260,254,245,245,331,339,341,337,362,377,505,433,543,541,487,520,29967,11502,5903,5895,29973,29974,29974,29974,29968,11733]} 1. Nf3 Nf6 2. g3 g6 3. b3 b6 4. Bb2 Bg7 5. Bg2 Bb7 6. c4 c5 7. O-O O-O 8. d4 cxd4 9. Qxd4 {LiveBook: 155 Games} Qc7 $146 {A30: Symmetrical English: Double Fianchetto and Hedgehog} ({Predecessor:} 9... d6 10. Nc3 Nbd7 11. Rac1 Rc8 12. Rfd1 Rc5 13. Ne1 Bxg2 14. Nxg2 Re8 15. Nd5 b5 16. Nge3 bxc4 17. Rxc4 Qb8 18. Rxc5 Nxc5 19. Nxf6+ Bxf6 20. Qd2 Bxb2 21. Qxb2 {1-0 (48) Bu,X (2725)-Dubov,D (2696) Liaocheng 2018}) 10. Nc3 Qc5 11. Nd5 Bxd5 {White is better.} 12. cxd5 Qxd5 13. Qxd5 Nxd5 14. Bxg7 Kxg7 15. Nh4 e6 16. Rfd1 Na6 17. Bxd5 exd5 18. Rxd5 Rfd8 19. Rad1 Nb4 20. R5d2 Rdc8 (20... Rac8 $14) 21. Nf3 $16 a5 22. Rxd7 Nxa2 23. Ng5 (23. R1d6 $1 $16) 23... Rc1 $1 $11 24. Rxf7+ Kg8 $1 25. Rxc1 Nxc1 {[%mdl 4096] Endgame KRN-KRN} 26. Rb7 Nxb3 27. Nxh7 {Hoping for Nf6+.} Nc5 28. Nf6+ Kf8 29. Rxb6 {Black should prevent Rc6.} a4 {And now ...a3 would win.} 30. Rb5 Nb3 (30... Ne6 $1 $11 31. Rb2 a3) 31. Nd7+ $1 $16 Kg7 {[#]} (31... Kg8 $16 {might work better.}) 32. Rb7 $1 $18 Kg8 {[#]} 33. Nb6 $1 {[%cal Rb6a8]} Nc5 34. Rc7 Ra5 (34... Ra6 $142) 35. Nc4 Rb5 36. h4 Ne4 37. Kg2 Rb1 {and the idea ...Rc1 leaves Black hopeful.} 38. Ra7 Nc3 39. e3 Ra1 40. f4 Nb1 41. g4 a3 42. h5 {Threatens to win with h6.} gxh5 43. gxh5 a2 (43... Ra2+ $18 44. Kf3 Rh2 45. Nxa3 Nc3) 44. h6 (44. Ne5 $142 Na3 45. Rxa3 Rb1 46. Rxa2 Kh7 47. Ra6 Rb7 48. Ng4 Rb5 49. Kf3) 44... Na3 45. Rxa3 Rc1 46. Rxa2 {White mates.} Rxc4 47. Kf3 Kh7 48. Ra6 {Accuracy: White = 85%, Black = 45%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Muthaiah AL"]
[Black "Siddarth, M."]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2406"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "114"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,114,0,0,0,5,0,0,2,12,0,0,0,30,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,1,10,0,0,0,0,-57,-62,-70,-70,-70,-80,-61,-63,-94,-45,-133,-58,-60,-60,-49,-64,-72,-25,-24,-31,-59,-25,-126,-72,-74,-74,-101,0,-188,-188,-189,-190,-199,-202,-221,-214,-218,-163,-307,-304,-283,-277,-292,-284,-315,-309,-582,-580,-687,-537,-670,-644,-737,-733,-704,-688]} 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. b3 d5 8. e3 c5 9. d3 Nc6 10. Bb2 dxc4 11. bxc4 Nb4 {LiveBook: 7 Games. A14: English Opening: 1...e6 with b3 by White} (11... Qc7 12. Qe2 Rfd8 13. Ne1 a6 14. f4 Rab8 15. g4 Ba8 16. g5 Ne8 17. Ne4 b5 18. Rc1 bxc4 19. dxc4 Nd6 20. Nxd6 Bxd6 {0-1 (50) Agrest,E (2614)-Van Wely,L (2688) Eilat 2012}) 12. Qb3 Qc8 ({Don't play} 12... Nxd3 $6 13. Rad1 $16) 13. Rfd1 Rd8 {The position is equal.} 14. Ne2 Nc6 $146 ({Predecessor:} 14... Bc6 15. a3 Na6 16. Nf4 Qb7 17. e4 Nb8 18. a4 Nbd7 19. Bc3 {0-1 (34) Jussupow,A (2450)-Panchenko,A Vilnius (Lithuania) 1978}) 15. Rac1 Qc7 16. Bc3 Rac8 17. Qb2 Ne8 18. Nf4 Bf6 19. d4 cxd4 20. exd4 Ne7 21. Nh5 Bxf3 22. Nxf6+ Nxf6 23. Bxf3 Qxc4 24. d5 Nfxd5 25. Bxg7 Qb4 26. Qa1 Rxc1 27. Rxc1 Qa3 28. Be4 f6 29. Bh6 Qb4 30. Re1 ({White should try} 30. Bf3 $11) 30... Nc3 $36 {[%mdl 2048] Black fights for an advantage.} 31. Bc2 Nf5 32. Bxf5 exf5 33. Kg2 Kf7 34. Qc1 Qd4 35. Qc2 (35. h4 $15) 35... Qd5+ (35... Kg6 $17 36. Bf4 Qd5+ 37. Kh3 Qd3 38. Qxd3 Rxd3) 36. f3 Qxa2 37. Qxa2+ Nxa2 {[%mdl 4096] Endgame KRB-KRN} 38. Ra1 Nc3 {White must now prevent ...a5.} 39. Rxa7+ Kg6 40. Bf4 Nd5 41. Rb7 (41. Bd2 $11) 41... Rc8 (41... Nxf4+ $142 42. gxf4 Rd2+ 43. Kg1 Rb2) 42. Bd6 Rc2+ 43. Kh3 Rc6 (43... Rf2 $17 44. Bf8 f4 45. Rg7+ Kf5) 44. Bf4 $2 {[#]} (44. Rd7 $11 {and White stays safe.}) 44... Rc3 $1 $19 45. Kg2 Rc2+ 46. Kh3 {[#]} Rf2 $1 47. Bd6 Rxf3 48. Kg2 Rc3 49. Rd7 (49. Kf2 $142) 49... Ne3+ 50. Kf2 Ng4+ 51. Ke2 Rc2+ 52. Kd3 Rxh2 53. Rb7 $2 (53. Re7) 53... Ne5+ {Black is clearly winning.} 54. Kc3 Rh3 55. Rxb6 {White wants to play Bxe5.} Rxg3+ 56. Kc2 Re3 57. Bc5 Re4 {Precision: White = 52%, Black = 72%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Ritviz, Parab"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "C72"]
[WhiteElo "2362"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "209"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,209,50,43,66,75,73,64,51,56,95,-29,-36,-17,-46,-79,22,48,43,27,32,39,23,32,181,181,169,150,406,436,518,515,510,503,483,416,416,416,408,408,408,408,412,414,416,405,444,394,438,438,438,394,398,375,394,393,441,422,420,0,443,425,433,377,497,439,508,0,469,0,502,496,509,502,510,500,501,472,493,482,472,469,494,490,533,544,1840,1645,1501,0,552,0,1327,586,549,492,475,0,485,0,451,436,566,392,324,0,551,539,437,310,610,310,310,310,310,310,310,324,310,310,310,0,568,310,309,309,309,309,306,0,296,0,317,314,309,319,303,302,302,0,302,0,302,0,302,302,302,302,303,302,302,0,302,0,303,305,304,304,1406,1289,1190,1180,1145,0,698,0,1143,1115,1077,981,1756,1660,1573,1507,1226,1181,29984,29985,29987,-29971,-29968,-29964,-29956,-29979,-29980,-29984,-29985,-29982]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. c3 g6 7. d4 Bg7 8. Re1 Nf6 9. Nbd2 O-O 10. h3 Re8 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} (10... h6 11. Nf1 Re8 12. Ng3 b5 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 c5 16. d5 a5 17. a3 Na6 18. Bf4 {1-0 (57) Ivanchuk,V (2726)-Mamedyarov,S (2799) Huaian 2017}) 11. Bc2 h6 12. Nf1 Nh5 13. Be3 {LiveBook: 4 Games} Qe7 14. Qd2 Kh7 {[#]} 15. g4 $146 {d5 is the strong threat.} ({Predecessor:} 15. Rad1 Rad8 16. Ng3 Nxg3 17. fxg3 Rf8 {1-0 (41) Magem Badals,J (2531)-Silva Lucena,C (2237) Linares 2018}) 15... Nf6 16. Ng3 Rad8 17. Kg2 (17. d5 $16) 17... d5 $1 $11 18. exd5 Nxd5 19. Nh5 {[#]} e4 {[#]} (19... f5 $1 $17 {aiming for ...e4.} 20. gxf5 (20. Nxg7 Qxg7 21. Nxe5 Nxe5 $17) 20... Bxf5 21. Bxf5 gxf5) 20. Bxe4 $1 {[%mdl 512]} Qxe4 21. Bg5 $1 $36 {[%mdl 2048] White is pushing.} gxh5 22. Rxe4 Rxe4 23. Bxd8 {Black must now prevent Ne5.} Nxd8 {[#]} (23... hxg4 $14 24. Ne5 Nf4+ 25. Kh2 (25. Kh1 Nxe5 26. dxe5 Bc6 $17) 25... Bxe5 26. dxe5 Nxe5) 24. Re1 $1 $18 {[%cal Re1e4]} ({Worse is} 24. gxh5 Re2 $11) 24... Rxe1 25. Qxe1 Bc6 $2 (25... Ne6 $16 26. Ne5 (26. gxh5 Ndf4+ 27. Kh2 Bc6 $16) (26. Qe4+ Kg8 $16) 26... Bb5 27. Nxf7 (27. Qe4+ Kg8 $16) 27... Bd3) 26. c4 hxg4 27. Qe4+ f5 28. Qxf5+ Kg8 29. cxd5 gxf3+ 30. Kxf3 Be8 31. Qc8 Bf6 32. Qxc7 Bf7 33. Ke4 Bg6+ 34. Ke3 Bf5 35. Qg3+ Kf7 36. h4 h5 37. Qc7+ Kg6 38. Qb6 Bb1 39. a4 Kf5 40. Qc7 Kg6 41. Qb6 Kf5 42. Qd6 Kg6 43. Kf4 Kg7 44. Qc7+ Kh6 45. Qd6 Kg7 46. Qc7+ Kh6 $1 47. Kg3 Bf5 48. b4 Kg6 49. f3 Kh6 50. Qc5 Kg7 51. Qd6 Kf7 52. a5 Kg7 53. Qc5 Kg6 54. Qf8 Bd7 55. Qg8+ Kh6 56. Qf8+ (56. Kf4 $142 {Threatens to win with Ke4.} Be7 57. Ke4) 56... Kg6 57. Qg8+ (57. f4 $142 Bg4 58. d6) 57... Kh6 58. f4 (58. Kf4 $142 b5 59. axb6) 58... Bg4 59. Qf8+ Kg6 60. Qg8+ Kh6 61. Qf8+ Kg6 62. Qe8+ Kh6 63. Qe4 Nf7 64. Qe8 $2 (64. Qc2) 64... Nd8 $1 65. d6 Bf5 66. d5 Bg4 $2 (66... Bd3 67. Qe7 Kg6) 67. Qe7 Kg6 68. Qe4+ Bf5 69. Qe8+ Kh6 70. Qf8+ Kg6 71. Qg8+ Kh6 72. Qe8 $2 (72. Kf3) 72... Bg4 $1 73. d7 Bf5 74. Qf8+ Kg6 75. Qg8+ Kh6 76. Qf8+ Kg6 77. Qg8+ Kh6 78. Qe8 Bb1 79. Qf8+ Kg6 80. Qg8+ Kh6 81. Qf8+ Kg6 82. Qg8+ Kh6 83. Qe8 Bf5 84. d6 Bb1 85. Qf8+ Kg6 86. Qg8+ Kh6 87. Qf8+ Kg6 88. Qg8+ Kh6 89. Qe8 Bf5 90. Kf3 Nc6 $2 (90... Bc2 91. Qf8+ Kg6) 91. Qf8+ Kg6 92. Qg8+ Kh6 93. Qf8+ Kg6 94. Qg8+ (94. b5 $142 Nd8 95. bxa6 bxa6 96. Qg8+ Kh6 97. Qc4) 94... Kh6 95. Qf7 Bxh4 96. d8=Q {[%cal Rd8f8]} Bg4+ 97. Ke4 {[%cal Rd8h8]} Nxd8 98. Qf8+ Kh7 99. f5 Bh3 100. Kf4 Bg2 101. Qe7+ $4 {[%mdl 8192]} (101. Qe8 {was the only winning move.} Bd5 102. Qxh5+ Kg8 103. Qxh4 Nf7 104. d7 Bf3 105. f6 Nd8 106. Qh6) 101... Bxe7 {Black mates.} 102. dxe7 {[#]} Ne6+ $1 103. Ke5 (103. fxe6 Bc6) 103... Nc7 104. f6 Kg6 105. Kd4 {Precision: White = 56%, Black = 55%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Konguvel, Ponnuswamy"]
[Black "Nitin, S.."]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2302"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,96,18,32,8,31,0,25,22,18,0,0,-28,0,0,19,0,117,97,117,106,105,112,107,114,193,210,119,189,201,0,175,169,147,58,58,58,57,57,58,43,43,43,106,106,106,106,120,120,185,120,120,120,185,185,185,174,174,174,185,185,185,185,185,185,185,185,185]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 {[%cal Bd7d5,Bd5d4,Bd4d3][%mdl 32]} 8. dxe5 Be6 9. Nbd2 Nc5 10. c3 Be7 11. Bc2 d4 12. Nb3 {C83: Open Ruy Lopez: 9 c3 Be7} d3 13. Bb1 Nxb3 14. axb3 Bf5 15. Re1 O-O 16. Be3 Qd5 {LiveBook: 17 Games} 17. Bd4 Rfd8 (17... d2 18. Re2 Bxb1 19. Rxb1 Nxd4 20. Nxd4 {1-0 (64) Caruana,F (2827)-Mamedyarov,S (2820) Batumi 2018}) 18. Re3 Nxd4 19. Nxd4 Bg6 {[#]} 20. b4 $146 ({Not} 20. Bxd3 Bxd3 21. Rxd3 c5 $19) 20... a5 21. Bxd3 ({Reject} 21. Rxa5 Rxa5 22. bxa5 c5 $15) 21... axb4 {White must now prevent ...Rxa1.} 22. Bxb5 bxc3 (22... Bg5 {seems wilder.} 23. Re1 Rxa1 24. Qxa1 Bd2 25. Rd1 bxc3 26. bxc3 Bxc3 27. Qxc3 c5) 23. bxc3 c5 (23... Bg5 $11 {remains equal.} 24. Re1 Rxa1 25. Qxa1 Bd2) 24. Bc6 $1 $16 {[%mdl 64] Double Attack} Rxa1 25. Qxa1 cxd4 26. Bxd5 dxe3 27. Bc4 $1 Rb8 {[#]} (27... Bc2 $16 {is a better defense.}) 28. Qa6 $1 $18 Rb1+ 29. Bf1 Bc5 30. Qc8+ Bf8 {( -> ...e2)} 31. Qc4 Rd1 {[#]} 32. fxe3 (32. e6 $1 $16) 32... Bd3 $1 $14 33. Qxd3 $1 Rxd3 34. Bxd3 {[%mdl 4096] Endgame KB-KB} Ba3 35. Bc4 Kf8 36. e6 Bb2 ({Black should try} 36... f5 $14) 37. exf7 $16 Bxc3 38. Kf2 h6 39. Kf3 Bf6 (39... g6 $16 40. Kf4 Bd2) 40. Kf4 (40. Kg4 $18) 40... Bg5+ 41. Ke4 Be7 (41... g6 $16 {keeps fighting.} 42. Kd4 Bf6+ 43. Kd3 Be5) 42. Kf5 $18 {White is clearly better.} Bd6 43. h4 {[%cal Bh2h4,Bh4g5][%mdl 32]} Be7 44. g3 Bd6 45. g4 Be7 46. g5 hxg5 47. hxg5 Bc5 48. e4 Be7 {Accuracy: White = 50%, Black = 51%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Babiy, Olga"]
[Black "Harikrishnan.A.Ra"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "2275"]
[BlackElo "2430"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,113,71,85,57,69,-27,-27,-36,-11,-10,-10,-8,-4,2,6,-3,9,11,90,92,263,285,289,279,291,267,278,277,298,216,217,220,196,208,245,238,228,231,233,225,308,310,314,312,419,406,396,403,365,270,259,260,379,362,427,445,410,389,476,495,432,459,522,520,485,395,393,397,424,423,421,408,394,395,385,187,181,0,774,745,501,224,355,354,327,295,345,335,493,533,614,611,711,711,968,996,804,773,882,841,5695,888,5108,975,29980,29981]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Ng8 3. d4 d6 4. Nf3 Bg4 5. h3 Bh5 {LiveBook: 10 Games} 6. Nc3 $146 {B02: Alekhine's Defence: Chase Variation and lines with early Nc3} (6. Be2 {is interesting.} Nc6 7. c3 e6 8. O-O dxe5 9. Nxe5 Bxe2 10. Qxe2 Bd6 11. Nxc6 bxc6 12. Nd2) ({Predecessor:} 6. e6 fxe6 7. g4 Bg6 8. Ng5 Qd7 9. Qe2 e5 10. d5 Nf6 11. Bg2 h6 12. Ne6 c6 {1-0 (31) Kotronias,V (2611)-Sandipan,C (2585) Gausdal 2008}) 6... dxe5 7. dxe5 (7. g4 $14 exd4 8. Qxd4 (8. gxh5 dxc3 9. Qxd8+ Kxd8 $14)) 7... Qxd1+ $11 8. Nxd1 {Black has an edge.} Bxf3 9. gxf3 e6 10. f4 Nd7 11. Be3 a6 12. a3 Ne7 13. Nc3 f6 (13... Nf5 $11 {keeps the balance.}) 14. Bc4 $36 {[%mdl 2048] White is really pushing.} Kf7 $2 (14... Nf5 $16 {was worth a try.}) 15. O-O-O $1 $18 Rd8 16. Rd2 c6 17. f5 Nxf5 18. Rhd1 Nxe5 {[#]} 19. Bxe6+ $1 {[%mdl 512]} Kxe6 20. Rxd8 Nxe3 21. fxe3 Nf7 22. Rb8 Bc5 23. Rxb7 Bxe3+ 24. Kb1 Bh6 25. Ne2 c5 26. b4 Rc8 27. bxc5 Be3 28. Rdd7 Ne5 29. Rxg7 Bxc5 30. Rxh7 Bxa3 (30... Rd8 $142 31. h4 Rd1+ 32. Kb2 Nc4+ 33. Kc3 Nxa3) 31. Rb6+ Kf5 32. Rh5+ Ke4 33. Rh4+ Ke3 34. Nd4 Bc5 35. Rb3+ Kf2 36. Rf4+ Kg2 37. Nf3 Nxf3 38. Rfxf3 {[%mdl 4096] Endgame KRR-KRB} ({Less strong is} 38. Rbxf3 Bd4 $18) 38... Bd4 39. Rfd3 Be5 40. Rd2+ Kf1 41. Kc1 Rc4 {intending ...Bf4.} 42. Rd1+ (42. Rf3+ $142 Kg1 43. Re3) 42... Ke2 {Strongly threatening ...Bf4+.} 43. Rd2+ $2 (43. Rd5) 43... Kf1 44. Rf3+ Kg1 45. Kb1 (45. Re3 $142 {[%cal Re3e1]} Rf4 46. Re1+ Rf1 47. Rxf1+ Kxf1 48. c4) 45... Rb4+ (45... a5 $142 46. Ra3 a4) 46. Ka2 Re4 47. Ra3 Bf4 48. Rdd3 Re6 (48... Kf2 $142 49. Rxa6 Be5) 49. c4 {[%cal Bc2c4,Bc4c5,Bc5c6][%mdl 32]} Be5 50. c5 f5 51. Kb3 Bf4 52. Ra2 {Threatening mate with Rd1+.} Re1 53. Rf3 Re4 54. c6 a5 {[#]} 55. Rxa5 (55. Rxf4 $142 $1 {[%mdl 512]} Rxf4 56. c7 Rf3+ 57. Kc4 Rf4+ 58. Kd5) 55... Kg2 {[#]} 56. Rd3 (56. Rxf4 $142 $1 Re3+ (56... Rxf4 57. c7) 57. Kb4) 56... Be5 57. Ra2+ {Precision: White = 65%, Black = 40%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Pranav Vijay"]
[Black "Akash G"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2265"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,17,2,18,0,8,-24,-35,-51,-37,-86,-70,-111,-124,-141,-149,-183,-178,-181,-181,-256,-239,-266,-263,-509,-299,-317,-318,-522,-515,-558,-422,-375,-260,-260,-248,-321,-318,-319,-310,-1002,-1023,-884,-866,-1000,-1033,-29982,-29983,-29975,-29976,-29971,-5801,-29999]} 1. e4 {Gofshtein,L} c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Bg7 6. O-O b6 7. Nc3 e5 8. Be3 Ne7 9. h3 h6 {[%cal Bh7h6,Bh6h5][%mdl 32] B31: Sicilian: 2...Nc6 3 Bb5 g6} 10. a3 {LiveBook: 3 Games} Be6 $146 ({Predecessor:} 10... a5 11. Na4 f5 12. b4 f4 13. Bd2 cxb4 14. axb4 axb4 15. Bxb4 c5 16. Bc3 Qc7 17. Bb2 {1-0 (39) Rublevsky,S (2671)-Iskusnyh,S (2507) Tomsk 2004 CBM 102 [Gofshtein,L]}) 11. b4 f5 {The position is equal.} 12. bxc5 f4 $1 {[%cal Rf4e3]} 13. Bd2 g5 $1 {[%mdl 1024] Black has compensation.} 14. Nh2 {[#]} h5 $1 15. Qe2 Ng6 16. f3 Bf8 (16... bxc5 17. Qf2 $15) 17. Nd1 Bxc5+ 18. Nf2 Qd7 19. Rad1 (19. a4 $142) 19... O-O-O $19 20. Bc1 Bd4 21. Bd2 $2 (21. c3 {was necessary.} Bxc3 22. Bb2) 21... Rh7 {aiming for ...g4!} 22. c3 Bxf2+ 23. Qxf2 $2 (23. Kxf2 Qxd3 24. Qxd3 Rxd3 25. Bc1) 23... Qxd3 24. Rfe1 Bb3 25. Rb1 Bc2 ({Less strong is} 25... Qxd2 26. Rxb3 Qxf2+ 27. Kxf2 $19) 26. Rb2 Ba4 ({Don't play} 26... Qxd2 27. Rxc2 Qxf2+ 28. Kxf2 $19) 27. c4 c5 ({Don't do} 27... Qxc4 28. Rc1 $19) 28. Rc1 Rhd7 29. Rc3 $2 (29. Be1) 29... Qxd2 30. Rxd2 Rxd2 31. Qxd2 Rxd2 32. g3 fxg3 33. Nf1 Rd1 34. Kg2 Nf4+ (34... h4 $142 35. Nxg3 Nf4+ 36. Kf2 hxg3+ 37. Kxg3 Ne2+ 38. Kg2 Nxc3 39. h4 gxh4 40. Kh3 Rd3 41. Kg4 {[#]} Nxe4 $1 {[%mdl 512]} 42. Kf5 Nf2 43. f4 h3 44. Kf6 h2 45. Kg6 h1=Q 46. f5 Rg3+ 47. Kf6 Qc6+ 48. Kf7 Qe8+ 49. Kf6 Ne4#) 35. Kh1 Rxf1# {Precision: White = 23%, Black = 85%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Gajwa Ankit"]
[Black "Neelotpal, Das"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2263"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,56,12,4,12,12,12,9,3,-5,0,0,0,-22,-19,-40,-7,-124,-111,-223,-205,-454,-436,-449,-442,-400,-378,-1614,-1583,-1605,-1587,-1445,-1359,-1348,-1335]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Bd7 6. c3 g6 7. Re1 Bg7 8. Bg5 h6 9. Bh4 a6 10. Ba4 O-O 11. Nbd2 Qe8 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} (11... Re8 12. Nf1 Ne7 13. Bb3 g5 14. Bg3 Ng6 15. Ne3 c6 16. Qc2 Nh5 17. Rad1 Qf6 18. d4 Rad8 19. dxe5 dxe5 {½-½ (29) Morozevich,A (2656)-Bocharov,I (2565) Kazan 2018}) 12. Bc2 Nh5 13. Nf1 {LiveBook: 3 Games} f5 {The position is equal.} 14. exf5 gxf5 {[%cal Bg6f5,Bf5f4,Bf4f3][%mdl 32]} 15. d4 e4 16. d5 Ne5 17. Nxe5 Bxe5 {[#]} 18. f3 $146 ({Predecessor:} 18. Ne3 Qg6 19. f3 {1-0 (71) Hernandez,G (2516)-Pinter,J (2535) Port Barcares 2005}) 18... Qg6 $1 19. fxe4 f4 $1 {[%cal Rf4f3] aiming for ...f3.} 20. Nd2 (20. Qf3 $11 {keeps the balance.}) 20... f3 $1 $17 21. Nxf3 {[#] Strongly threatening Kh1.} Bh3 $1 $40 {[%csl Gh3][%cal Rg6g2][%mdl 128] Black goes for the king.} 22. Bg3 $2 (22. Bg5 Nf4 23. gxh3 Nxh3+ 24. Kg2 hxg5 25. Rf1 (25. Nxe5 Rf2+ 26. Kh1 dxe5 $17)) 22... Bxg3 $19 ({And not} 22... Nxg3 23. Nxe5 dxe5 24. hxg3 $16) 23. hxg3 Qxg3 {[%csl Gh3][%cal Rg3g2]} 24. Qe2 Bg4 25. Rf1 $2 {[#]} (25. Qf2 Rxf3 26. Qxg3 Rxg3 27. Rf1) 25... Nf4 {Black is clearly winning.} 26. Qd2 Bxf3 27. Rxf3 Nh3+ $1 28. Kh1 Rxf3 {Precision: White = 38%, Black = 95%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Saurabh Anand"]
[Black "Manik, Mikulas"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2210"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,65,0,-2,0,-6,0,0,0,0,0,6,12,3,15,16,31,25,33,32,34,38,39,34,34,34,47,39,40,47,63,63,105,62,84,87,76,39,51,13,45,0,14,14,13,10,173,177,539,520,509,496,481,-72]} 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} (8... Nbd7 9. a4 h6 10. Be3 Ng4 11. Bc1 Ngf6 12. O-O Nc5 13. Nd2 O-O 14. b4 Ne6 15. Nc4 Nd4 16. Be3 Nxe2+ 17. Qxe2 {½-½ (40) Giri,A (2783)-Nepomniachtchi,I (2763) St Petersburg 2018}) 9. Bxf6 Bxf6 10. O-O Be7 {The position is equal.} 11. Nd5 Nd7 12. Bc4 Rc8 $146 ({Predecessor:} 12... O-O 13. Qe2 {½-½ (40) Paehtz,E (2453)-Raja,H (2423) Douglas 2017}) 13. Qe2 O-O 14. Rfd1 Bxd5 ({Predecessor:} 14... Nb6 15. Nxb6 Qxb6 16. Bb3 {½-½ (40) Paehtz,E (2453)-Raja,H (2423) Douglas 2017}) 15. Bxd5 Qc7 16. c3 g6 17. Nd2 Kg7 18. Nc4 b5 19. Ne3 Nc5 20. Bb3 Bg5 21. Nd5 Qa7 22. Bc2 h5 23. b4 Na4 24. Bxa4 bxa4 25. Kh1 Qb7 $1 26. c4 Qc6 27. b5 {[%cal Bb4b5,Bb5a6,Ba6a7][%mdl 32]} Qxc4 28. Qxc4 Rxc4 29. bxa6 {aiming for Rab1.} Rxe4 $2 {[#]} (29... Rc2 $11 {and Black stays safe.}) 30. Nb6 $1 $18 Bd8 $2 (30... Re2 {is more resistant.} 31. a7 (31. Rxd6 Rxf2 32. a7 e4 $16) 31... Rxf2 32. Rxd6 Be3) 31. Nd7 {White is clearly winning.} Re8 {[#]} 32. a7 $1 {[%cal Ra7a8]} Bc7 {White must now prevent ...Ra8.} 33. Rdb1 $2 {[%mdl 32768] Accuracy: White = 63%, Black = 51%. . Loss on time!?} (33. Rdc1 $18) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Varshini, V."]
[Black "Megaranto, Susanto"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "2171"]
[BlackElo "2530"]
[Annotator "TA"]
[PlyCount "118"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,118,20,22,24,12,46,14,27,22,16,18,13,7,20,6,14,11,10,-1,-1,-12,0,0,4,-4,7,3,8,0,0,0,3,1,3,-6,0,0,0,-7,-12,-19,-16,-23,-14,-26,-8,-24,-32,-34,-18,-38,-8,-342,-79,-74,0,-8,101,-122,-122,-137,-61,-59,-62,-100,-104,-104,-95,-105,-106,-178,-97,-135,-103,-277,-123,-127,0,-258,-154,-200,-216,-29999,1304,-362,-358,-442,-415,-411,-389,-5940,-6362,-5665,-5622,-5585,-5577,-29981,-29982,-29982,-29983,-29985,-29986,-29989,-29989,-29989,-29990,-29990,-29991,-29996,-29993]} 1. e4 Nc6 2. d4 d5 3. e5 Bf5 4. c3 e6 5. Bd3 Nge7 6. Ne2 {LiveBook: 7 Games} Qd7 {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} 7. Ng3 (7. O-O O-O-O 8. b4 f6 9. f4 h5 10. a4 h4 11. Qc2 a5 12. b5 Nb8 13. Nd2 Bxd3 14. Qxd3 {1-0 (39) Alekseev,E (2622)-Selin,V (2322) Sochi 2017}) 7... Bg6 8. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} O-O-O {The position is equal.} 9. h5 Bxd3 10. Qxd3 f6 11. f4 $1 f5 $146 ({Predecessor:} 11... Kb8 12. Nd2 Nc8 13. b4 a5 {0-1 (57) Fauth,D (2160)-Taeger,W (2244) Bayern 2004}) 12. Be3 Ng8 {[%cal Be7g8,Bg8h6,Bh6g4][%mdl 32]} 13. Nd2 Nh6 14. Nb3 Be7 15. O-O-O Rdg8 16. Rh3 Ng4 17. Rdh1 Nd8 {[%cal Bc6d8,Bd8f7,Bf7h6,Bh6g4][%mdl 32]} 18. Qe2 Nf7 19. Bd2 Qa4 20. Kb1 Kb8 21. Nf1 Qc4 22. Qe1 Nfh6 23. Bc1 Qb5 24. Ne3 Nxe3 25. Rxe3 Ng4 $36 {[%mdl 2048] White is under pressure.} 26. Rf3 a5 27. Qf1 Qa4 28. Nd2 c5 29. Nb3 Rc8 30. Be3 Rc6 31. Nxc5 $2 {[%mdl 8192] [#]} (31. Bg1 $11) 31... Bxc5 $2 (31... Rxc5 $1 $19 {[%mdl 512] and Black stays clearly on top.} 32. Bf2 (32. dxc5 Qe4+) 32... Rc7) 32. b3 $17 Rb6 (32... Nxe3 $17 33. Rxe3 Bxd4 $1 {[%mdl 512]} 34. bxa4 Bxe3) 33. dxc5 $11 Qe4+ (33... Rxb3+ $1 $11 {remains equal.} 34. axb3 Qxb3+ 35. Ka1 Qxc3+ 36. Ka2 Nxe3) 34. Kb2 $2 (34. Kc1 $1 $16 {and life is bright.}) 34... Nxe3 $17 35. Rxe3 Qxe3 (35... Rxb3+ $1 $17 36. axb3 Qxe3) 36. cxb6 {[%mdl 4096] Endgame KQR-KQR} Qd2+ $1 37. Kb1 {And now Rh3 would win.} Qxc3 38. Qc1 Qc6 $1 39. Qe3 Rc8 40. Re1 (40. Kb2 $17) 40... Qc2+ 41. Ka1 Rc6 ({Resist} 41... Qxg2 42. Qe2 $15) 42. Rg1 $2 {[#]} (42. Re2 $17 Qd1+ 43. Kb2) 42... Rc3 (42... a4 $1 $19 {aiming for ...Rc3.} 43. Rb1 a3) 43. Qd4 Rc6 (43... Rc8 $17 44. Rd1 a4) 44. Qe3 $1 $19 {[#]} Kc8 ({Black should play} 44... a4 $1 $19 {...Rc3 is the strong threat.} 45. Rb1 a3) 45. Qd4 Kd8 46. Rc1 $2 (46. Re1 $19) 46... Qxg2 $4 {[%mdl 8192]} (46... Qxc1# {and all is fine.}) 47. Rg1 $4 {[%mdl 8192]} (47. Rxc6 $18 {was the only winning move. Rc1 would kill now.} bxc6 48. Qc5 Qf1+ 49. Kb2 Qe2+ 50. Ka3) 47... Qe2 48. Qb2 Qe3 49. Rf1 Ke8 50. b4 $2 (50. a3) 50... a4 51. a3 Rc3 52. Ka2 Qd3 {( -> ...Qc4+)} 53. Rc1 d4 {[%cal Bd5d4,Bd4c3,Bc3c2,Bc2c1][%mdl 32] Black mates.} 54. b5 Kf7 55. Rxc3 dxc3 56. Qb4 Qc2+ 57. Ka1 Qd1+ 58. Ka2 c2 59. h6 c1=N+ {Precision: White = 35%, Black = 46%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.22"]
[Round "7"]
[White "Pranesh M"]
[Black "Rajesh, V A V"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "2125"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,82,34,44,50,47,89,86,122,41,38,52,43,33,43,46,63,11,14,14,18,10,12,12,38,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O Nf6 6. e5 d5 7. exf6 dxc4 8. fxg7 Rg8 9. Re1+ Be6 10. Bg5 Be7 11. Bxe7 {C56: Two Knights: 4 d4 exd4 5 0-0 Nxe4} Qxe7 (11... Kxe7 12. Re4 d3 13. Na3 Qd5 14. Rxc4 Rxg7 15. Qxd3 Qxd3 16. cxd3 Bxc4 17. Nxc4 Rd8 18. Re1+ Kf8 19. Re3 f6 {0-1 (40) Jones,G (2556)-Bruzon Batista,L (2641) ICC INT 2010}) 12. Nxd4 Rd8 13. c3 Nxd4 14. cxd4 {LiveBook: 4 Games} c6 15. Na3 $146 ({Predecessor:} 15. Nc3 Rxg7 16. Re4 Qf6 17. a4 Kf8 18. Ra3 c5 {½-½ (32) Pomini,A (2163)-Lekic,D (2439) Zuerich 2014}) 15... Qf6 16. Nxc4 Rxd4 {[#]} 17. Qc2 (17. Qb3 $1 $16) 17... Rxg7 $14 18. Ne3 {And now Nf5 would win.} Rg5 19. Rad1 Rxd1 20. Rxd1 h5 21. Qe4 (21. Qa4 $14) 21... Kf8 $11 22. b3 Kg7 23. Qb4 Rb5 24. Qd6 Bg4 (24... Qe5 {looks sharper.} 25. Qd2 a5 26. h3 Qf6 27. Qc1 Rb4) 25. Nxg4 (25. Qg3 {is interesting.} Rg5 26. f4 Bxd1 27. fxg5 Qa1 28. Qe1) 25... Qxd6 {The position is equal.} 26. Rxd6 {[#] Ne3 is the strong threat.} hxg4 $14 {[%mdl 4096] Endgame KR-KR} 27. h3 gxh3 28. gxh3 Rb4 29. Kg2 a5 30. Rd7 a4 31. bxa4 Rxa4 32. Rxb7 Rxa2 33. Kg3 c5 34. f4 c4 35. Rc7 Rc2 36. Kg4 c3 37. Kf5 Rc1 38. h4 c2 39. Rc6 Rh1 40. Rxc2 Rxh4 41. Rg2+ Kf8 {Precision: White = 61%, Black = 70%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Pantsulaia, Levan"]
[Black "Karthik Venkataraman"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2597"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "165"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 29,165,27,60,-5,0,-40,-34,-189,-145,-143,-121,-122,-60,-54,-57,-96,-78,-116,-118,-106,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-6,0,0,0,0,0,0,0,2,225,220,264,252,133,160,141,25,132,0,23,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,8,36,8,15,70,67,68,0,1093,780,1054,974,838,0,577,0,435,37,37,8,8,8,8,8,8,8,8,8,8,8,1380,1189,984,127,29967,0,0,0,5065,382,357,353,339,310,29983,29984,29982,29981,29989,29990,29990,29991,29991,29992]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O a6 7. Re1 Be7 8. e4 d6 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 O-O 12. Rc1 Nbd7 13. f4 Rac8 14. g4 Nc5 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 15. Bf2 g6 {LiveBook: 42 Games} 16. Bf3 (16. f5 $14) (16. b4 Ncd7 17. f5 gxf5 18. gxf5 e5 19. Nde2 Kh8 20. Nd5 Nxd5 21. exd5 Rg8 22. Ng3 {1-0 (50) Jumabayev,R (2613)-Marin,M (2576) Almaty 2016}) 16... e5 $11 {The position is equal.} 17. g5 $146 ({Predecessor:} 17. fxe5 dxe5 18. Nb3 Nxb3 19. Qxb3 Nd7 20. Nd5 Bxd5 21. exd5 Bc5 22. Bxc5 Qxc5+ {½-½ (42) Vorobiev,A (2100)-Muller,H (2120) IECG email 2003}) 17... exd4 18. Qxd4 $2 (18. gxf6 $15 dxc3 19. fxe7 Qxe7 20. Rxc3) 18... Nfd7 19. Nd5 Bxd5 20. exd5 Rfe8 (20... Qd8 $1 $17 21. b4 Bxg5 $1 {[%mdl 512]} 22. bxc5 Bf6) 21. b4 $15 Nb7 22. Bg4 Bf8 23. a3 Bg7 24. Qd3 {White wants to play Qh3.} a5 ({Black should try} 24... Ra8 $17 25. Re2 a5) 25. Qh3 $1 $11 Rxe1+ 26. Rxe1 Rd8 27. Bxd7 axb4 28. axb4 {Strongly threatening Bb5.} (28. Bb5 {looks sharper.} bxa3 29. Qxa3 Nc5 30. Qh3 Rf8 31. f5) 28... Qxd7 29. Qxd7 Rxd7 30. Re8+ Bf8 31. Bxb6 f6 32. gxf6 Kf7 33. Rc8 Bh6 34. Be3 Kxf6 35. Kf2 Ke7 36. Rh8 Bg7 (36... Nd8 {is more complex.} 37. b5 Nf7 38. Ra8 Nd8 39. b6 Bg7) 37. Rxh7 Kf8 $1 38. Ke2 Kg8 39. Rh3 Bc3 40. Bd2 Re7+ $2 (40... Bxd2 $1 $11 {and Black stays safe.} 41. Kxd2 Rf7) 41. Re3 $18 Rxe3+ 42. Kxe3 Bf6 43. Kd3 {[%mdl 1024] White has strong compensation.} Kf7 44. Kc2 (44. Ke4 $16) 44... Ke7 (44... Bd4 $11) 45. Kb3 (45. Bc3 $16) 45... Kd7 46. Ka4 Kc7 47. Kb5 Bd4 48. Be1 Be3 49. Bg3 Kd7 50. h4 Bd4 51. Be1 Be3 52. Bg3 Bd4 53. Be1 Kc7 54. Bg3 Nd8 55. c5 {Hoping for f5!} Nf7 $1 56. Kc4 Bg1 57. f5 gxf5 58. Bf4 Bf2 $1 {[%cal Rf2h4]} 59. h5 {And now h6 would win.} Bh4 $1 60. h6 (60. Kd3 $14) 60... Bf6 $2 {[%mdl 8192]} (60... Bg5 $11 61. Bxg5 Nxg5) 61. h7 Kd7 62. Kb5 Bc3 63. Kc4 Bf6 $1 64. Kb5 Bc3 $1 65. Kb6 $2 (65. c6+ $18 Kc8 66. Kc4) 65... Bd4 $14 66. Bh2 {With the idea Bf4.} dxc5 67. bxc5 {aiming for Bf4.} Be3 68. Kb5 f4 {...f3 is the strong threat.} 69. c6+ Kd6 70. Kc4 Ne5+ 71. Kc3 Ng6 $2 {[%mdl 8192]} (71... Nf7 $11) 72. Kd3 $18 Bc1 73. Ke4 $2 (73. Bg1 $18 {and the rest is easy.} Ba3 74. Bd4) 73... Bd2 $2 {[%mdl 8192] [#]} (73... Bb2 $16 74. Bxf4+ Nxf4) 74. Kf5 $2 (74. Bxf4+ $1 {[%mdl 512] mates} Bxf4 75. Kf5 Be5 76. Kxg6 Bh8 77. Kf7 Be5 78. c7 $1 {[%mdl 512]} Kd7 79. d6 $1 {[%mdl 512]} Bxd6 80. c8=Q+ $1 {[%mdl 512]} Kxc8 81. Ke6) 74... Ne7+ $1 $11 75. Ke4 $2 {[%mdl 8192]} (75. Kg4 $11 Bc3 76. Kxf4 (76. Bxf4+ Kxd5 77. c7 Ke6 $11) 76... Kxd5 77. c7) 75... Ng6 $18 {[#]} 76. Bg1 $2 (76. Bxf4+ $1 {[%mdl 512]} Bxf4 77. Kf5) 76... Bc3 77. Ba7 f3 78. Bb8+ (78. Kxf3 Kxd5 79. c7 Ne7 $16) 78... Kc5 $2 (78... Ke7 $18 79. d6+ (79. Kxf3 Nf8 $11) 79... Ke6) 79. c7 {White mates.} Ne7 80. d6 Nc8 81. d7 f2 82. dxc8=Q f1=Q 83. Qf5+ {Precision: White = 44%, Black = 47%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Rozum, Ivan"]
[Black "Nguyen, Van Huy"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2589"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,113,39,51,41,47,35,43,33,44,44,49,43,81,74,82,88,91,27,27,31,31,26,25,30,28,13,52,12,14,13,16,15,22,20,25,24,28,28,39,28,39,23,28,28,45,22,22,15,15,20,20,0,0,0,17,6,51,38,56,56,56,56,59,58,58,58,63,51,62,64,70,17,17,11,18,8,8,8,8,8,8,0,18,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O 7. Bd3 c5 8. Nge2 Nc6 9. dxc5 Bxc5 10. O-O {D35: Queen's Gambit Declined: Exchange Variation} Be6 11. Rc1 Bd6 {LiveBook: 6 Games} 12. Bxd6 {White is slightly better.} Qxd6 13. Qa4 $146 ({Predecessor:} 13. Nb5 Qe5 14. Ned4 Rac8 15. Qe2 Bg4 16. Qd2 {½-½ (40) Bocharov,D (2609)-Zvjaginsev,V (2680) Magnitogorsk 2011}) 13... Rfd8 14. Rfd1 Ng4 15. Qf4 Qxf4 16. Nxf4 d4 17. Nxe6 fxe6 18. exd4 Nxd4 {[#]} 19. Nb5 (19. Ne2 $1 $16 {[%cal Re2d4] Threatens to win with Nxd4.} g6 20. Nxd4 Rxd4 21. Be2 Rxd1+ 22. Bxd1) 19... Nxb5 $11 20. Bxb5 Rxd1+ 21. Rxd1 {[%mdl 4096] Endgame KRB-KRN} Nf6 22. Bc4 Kf7 23. Re1 Re8 24. Bb3 Re7 25. Kf1 Nd7 26. Rc1 Nf6 27. Ke2 Ne8 28. Rc8 Nd6 29. Rd8 Ne8 30. Ke3 Nf6 31. h3 Rd7 32. Ra8 b6 33. f4 Ke7 34. g4 {[%cal Bg2g4,Bg4g5][%mdl 32]} g6 35. Rc8 Kd6 $1 36. Kd4 {Hoping for Ba4.} Ke7+ 37. Ke3 Kd6 $1 38. Rc1 Ke7 39. g5 Ne8 40. Rc6 Nd6 41. Kf3 Rd8 42. h4 Rc8 43. Rxc8 Nxc8 $14 {KB-KN} 44. h5 Kd6 45. hxg6 hxg6 46. Ba4 (46. Ke4 $14) 46... e5 $11 {The position is equal.} 47. Be8 Ne7 48. Ke4 exf4 49. Kxf4 {White wants to play Bf7.} Kd5 $1 50. Bf7+ Kd4 51. a4 a5 52. b3 Nd5+ $1 53. Kf3 Ne7 54. Kf4 Nd5+ $1 55. Kf3 Ne7 56. Be8 Kd3 57. Bf7 {Accuracy: White = 50%, Black = 75%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Paichadze, Luka"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2583"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,61,-30,-17,-8,-8,0,0,0,0,0,0,0,0,-4,-13,-10,-23,0,0,0,-19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h5 7. d3 Qf6 8. Be3 Bxf3 9. Qxf3 Qxf3 10. gxf3 {LiveBook: 214 Games} f5 {C68: Ruy Lopez: Exchange Variation, sidelines} (10... Bd6 11. Nd2 Ne7 12. Rfb1 Ng6 13. Kf1 c5 14. Nc4 Be7 15. a3 a5 16. b4 axb4 17. axb4 Rxa1 18. Rxa1 cxb4 19. Ra8+ Bd8 20. Na5 b6 {½-½ (40) Solak,D (2641)-Ding,L (2783) Khanty-Mansiysk 2017}) 11. f4 fxe4 12. dxe4 exf4 13. Bxf4 O-O-O 14. Nc3 {[#]} Be7 $146 ({Predecessor:} 14... Nh6 15. Rad1 Re8 16. Kh1 Nf7 17. Rg1 Rg8 18. Rg6 {0-1 (41) Rosner,J (2366)-Heimann,A (2589) Baden 2017}) 15. Rad1 Re8 16. Be3 g5 17. f3 Bf6 18. Rd2 {The position is equal.} Nh6 19. Bd4 Rhf8 20. Bxf6 Rxf6 21. Rg2 Nf7 22. Ne2 h4 23. Nd4 Rf4 24. Ne2 Rf6 25. Nd4 Rf4 26. Ne2 Rf6 27. Nd4 Rf4 28. Ne2 Rf6 29. Nd4 Rf4 30. Ne2 Rf6 31. Nd4 {Accuracy: White = 77%, Black = 82%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Erigaisi Arjun"]
[Black "Girish, A. Koushik"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2548"]
[BlackElo "2411"]
[Annotator "TA"]
[PlyCount "98"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,98,7,0,34,43,54,72,43,55,55,41,58,43,43,36,45,36,43,45,46,45,46,28,45,29,30,0,34,24,24,-8,-8,-8,-8,-8,-8,-8,-8,-2,-8,-8,-8,-408,-392,-383,-373,-439,-432,-434,-427,-365,-358,-400,-39,-1085,-1008,-3816,-3700,-29967,-29967,-29967,-29968,-29966,-29965,-29976,-29977,-29977,-29978,-29978,-29977,-29979,-29980,-29980,-29981,-29981,-29982,-29982,-29983,-29983,-29984,-29984,-29985]} 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Na3 Bxa3 10. bxa3 Rb8 {E05: Open Catalan: 5 Nf3 Be7} (10... Ba6 11. Qd2 Rb8 12. Qa5 Qc8 13. a4 Rd8 14. Rd1 c3 15. Qxc3 Bxe2 16. Re1 Qa6 17. Bg5 Qc4 18. Rac1 Qxc3 19. Rxc3 Rb2 20. Rxc6 h6 21. Bxf6 gxf6 22. Rxc7 a6 23. d5 exd5 24. Bf1 Bxf1 {½-½ (24) Van Wely,L (2667)-Kryvoruchko,Y (2705) Brest 2018}) 11. Qa4 Rb6 12. Qxc4 Ba6 {White is better.} 13. Qc2 Qxd4 14. Be3 Rb2 15. Qxc6 ({Don't play} 15. Bxd4 Rxc2 16. Rfc1 Rxc1+ 17. Rxc1 Bxe2 $11) 15... Qc4 16. Rfc1 Qxc6 17. Bxc6 Bxe2 18. Bxa7 Nd5 $146 19. a4 Rd8 20. a5 Ne7 21. Bg2 Nd5 22. Rcb1 Rxb1+ 23. Rxb1 Kf8 24. Bf1 Bxf1 $1 25. Kxf1 $11 {[%mdl 4096] Endgame KRB-KRN} Ke7 26. Rb8 Rxb8 27. Bxb8 {KB-KN} Kd7 28. a6 Kc8 29. a7 Kb7 30. Ke2 $2 {[%mdl 8192]} (30. h4 $11) 30... Nc3+ $1 $19 31. Kd3 Nb5 $1 32. Kc4 Nxa7 33. Bxa7 Kxa7 {KP-KP} 34. Kb5 Kb7 35. a4 {[#]} e5 $2 (35... f6 $1 $19 36. Kc5 h5) 36. a5 $2 {[%mdl 8192]} (36. Kc5 $15) 36... e4 37. g4 {[#]} h5 $1 {[%cal Bh7h5,Bh5h4][%mdl 544]} 38. h3 (38. gxh5 f5) 38... h4 {Black mates.} 39. a6+ Ka7 40. Kc6 Kxa6 41. Kxc7 Kb5 42. Kd6 {[#]} Kc4 $1 {[%cal Rc4d3]} 43. Ke7 Kd3 44. Kxf7 Ke2 45. Kxg7 Kxf2 46. g5 e3 47. g6 e2 48. Kf7 e1=Q 49. g7 Qg1 {Accuracy: White = 39%, Black = 76%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Stupak, Kirill"]
[Black "Lugovskoy, Maxim"]
[Result "0-1"]
[ECO "D51"]
[WhiteElo "2542"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,96,28,11,12,4,-2,0,14,5,17,4,8,0,0,-5,-12,-5,-13,-2,21,17,11,12,8,0,25,0,0,0,14,14,16,16,9,3,14,0,25,25,25,25,25,25,25,25,25,25,52,53,83,79,89,0,0,0,0,0,0,0,0,-44,-39,-32,-16,-16,0,-149,-170,-182,-186,-208,-56,-197,-193,-789,-228,-1194,-531]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. cxd5 exd5 6. e3 c6 7. Bd3 Be7 8. Qc2 Nh5 9. Bxe7 Qxe7 10. Nge2 g6 11. g4 Ng7 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 12. O-O-O (12. Rg1 Nb6 13. O-O-O Be6 14. f4 f5 15. g5 O-O-O 16. Kb1 Bf7 17. Rg3 h6 18. gxh6 Rxh6 19. Ng1 {1-0 (30) Morozevich,A (2665)-Vokarev,S (2443) Sochi 2017}) 12... Nb6 13. h3 Be6 {The position is equal.} 14. Nf4 O-O-O 15. Be2 h5 $146 ({Predecessor:} 15... Kb8 16. Nd3 Bc8 17. h4 Nc4 18. Nf4 Nd6 19. h5 gxh5 20. Nxh5 {0-1 (32) Smit,A-Bezgodov,A (2365) Kemerovo 1991}) 16. gxh5 (16. b3 {keeps more tension.} Kb8 17. Kb2 Nd7 18. Nd3 Nf6 19. f3) 16... Nxh5 17. Nxh5 gxh5 18. Bd3 Qf6 19. Rdf1 Qf3 20. Ne2 Qf6 21. Nf4 h4 22. Rfg1 Kb8 23. Kb1 Nc8 {[%cal Bb6c8,Bc8d6,Bd6f5][%mdl 32]} 24. Rg2 Rhg8 25. Rhg1 Rxg2 26. Rxg2 Nd6 27. a3 Bc8 28. Qd1 Nf5 {Black wants to play ...Nxd4!} 29. Nh5 $36 {[%mdl 2048] White fights for an advantage.} Qe7 30. Qf3 Nd6 31. Nf4 Qf6 32. Qh5 Rh8 33. Qe5 Qxe5 34. dxe5 Nc4 35. Bxc4 $1 dxc4 $16 {[%mdl 4096] Endgame KRB-KRN} 36. f3 (36. Kc2 $16) 36... a5 37. Kc2 Re8 38. Rg5 b5 39. Kc3 Kc7 40. a4 Kb6 41. Rh5 $1 Rd8 42. Rxh4 Kc5 43. Rh5 (43. e6 $11 {keeps the balance.} b4+ 44. Kc2 fxe6 45. Rh5+ Kb6 46. h4) 43... Be6 $1 $17 {[%mdl 1024] Black has strong compensation.} 44. Kc2 {[#]} Rg8 $1 45. Rh6 {[#]} Rg3 $2 (45... b4 $1 $19 {...b3+ is the strong threat.} 46. Nxe6+ fxe6) 46. Rf6 ({White should try} 46. axb5 $15 cxb5 47. Rf6) 46... b4 $19 47. h4 $2 (47. Nxe6+ fxe6 48. b3) 47... Rg1 $2 (47... b3+ 48. Kd2 Rg1 49. Nxe6+ fxe6) 48. Ne2 $2 (48. Nxe6+ fxe6 49. b3 (49. Rxe6 $2 b3+ 50. Kd2 Rb1 $19)) 48... Rg2 {Accuracy: White = 39%, Black = 52%.} (48... b3+ $142 49. Kd2 Rb1) 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Tran, Tuan Minh"]
[Black "Babiy, Olga"]
[Result "1/2-1/2"]
[ECO "D21"]
[WhiteElo "2541"]
[BlackElo "2275"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,128,0,0,0,0,0,-2,0,0,0,0,17,7,38,0,17,0,0,0,0,0,0,0,0,0,0,-29,0,-127,-118,-253,-206,-229,-192,-305,0,-175,-182,-165,-188,-171,-174,-170,-170,-320,-186,-187,-203,-302,-317,-334,-250,-263,-243,-229,-219,-233,-240,-234,-235,-212,-183,-242,-242,-235,-243,-396,-392,-472,-459,-443,-432,-631,-620,-623,-453,-431,-354,-354,-354,-346,-312,-271,-17,-229,-181,-153,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. a4 Nf6 5. e3 e6 6. Bxc4 c5 7. O-O Nc6 8. Qe2 Qc7 9. Nc3 Be7 10. Rd1 O-O 11. h3 Rd8 12. d5 exd5 13. Bxd5 Nb4 {[%cal Rb4d5] D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4} 14. Bc4 (14. e4 Nfxd5 15. Nxd5 Nxd5 16. exd5 Bf5 17. Be3 b6 18. Rac1 Qb7 19. a5 bxa5 20. Bxc5 Bf6 21. Bd4 Bxd4 22. Nxd4 Rxd5 23. Nxf5 Rxf5 {0-1 (93) Saric,I (2565)-Georgiev,K (2685) Sibenik 2010}) 14... Rxd1+ 15. Qxd1 Bf5 16. Qe2 Bd6 17. b3 Re8 $146 ({Predecessor:} 17... Rd8 18. Bb2 Bd3 19. Bxd3 Nxd3 20. Rd1 Nxb2 21. Qxb2 {½-½ (45) Nikolic,P (2575)-Dlugy,M (2485) Tunis 1985}) 18. Bb2 h6 19. Rd1 Qe7 20. Rd2 Bc7 21. Nh4 Bh7 22. Qf3 Be5 23. Nf5 Qc7 24. g4 Bg6 25. h4 h5 (25... Qc6 $5 {[%cal Rc6f3]} 26. Qd1 Kh7 $15) 26. g5 (26. gxh5 $1 $11 Nxh5 27. Nd5 Nxd5 28. Bxe5 Rxe5 29. Rxd5) 26... Ng4 $17 27. a5 (27. Kg2 $17) 27... Kh7 28. Kg2 Rd8 $1 {[%cal Rd8d2]} 29. Re2 (29. Rxd8 {was called for.} Qxd8 30. Na4) 29... Qxa5 $2 {[#]} (29... Nd3 $19 30. Nd5 Rxd5 31. Bxe5 Rxe5 32. Bxd3 c4 33. bxc4 Rxa5) 30. Ne7 $2 (30. Bxf7 $1 $11 {[%mdl 512]} Bxf7 31. Ne7) 30... Qc7 $36 {[%mdl 2048] White is under strong pressure.} 31. Nxg6 fxg6 32. Qf7 Qxf7 33. Bxf7 Nd3 34. f4 {[#]} (34. Nd1 $142) 34... Nxb2 (34... Bxf4 $142 $1 {[%mdl 512]} 35. Nd5 (35. exf4 Nxf4+) 35... Rxd5 $1 {[%mdl 576] Remove Defender, Decoy} 36. Bxd5 Nxe3+ 37. Rxe3 Bxe3) 35. fxe5 Nxe5 36. Be6 (36. Rxb2 $142 Nxf7 37. Na4) 36... Nbd3 37. Kg3 b6 38. Rd2 Rf8 39. Bd5 b5 40. Be4 c4 41. bxc4 bxc4 42. Ra2 Nc5 43. Bd5 {[#]} (43. Bg2 $142) 43... Ng4 $1 44. e4 Ne5 45. Kg2 $2 (45. Rf2 Rb8 46. Kg2) 45... Rf4 46. Ra5 Ncd3 47. Rxa6 {intending Ra8.} Rxh4 48. Be6 (48. Ra8 $142 Rg4+ 49. Kf1 Rxg5 50. Bg8+ Kh6 51. Bxc4) 48... Nc5 49. Kg3 Nxa6 50. Kxh4 {[%mdl 4096] Endgame KBN-KNN} Nc5 51. Bd5 {Now Kg3 and White clings on.} Nf3+ 52. Kg3 Nxg5 53. Kf4 Nh3+ $2 ({Black should play} 53... Nge6+ $19 54. Ke5 h4 55. Bxc4 h3) 54. Ke5 $2 (54. Kg3 $1 $11 {and White is okay.}) 54... g5 55. Kd6 {[#]} Nxe4+ (55... Nb3 $1 $17 {[%cal Rb3d4]} 56. Bxc4 Nd4) 56. Nxe4 $11 {The position is equal.} Kg6 {White must now prevent ...Kf5.} 57. Ke5 g4 58. Bxc4 Ng5 59. Nd6 h4 60. Kf4 g3 61. Nf5 Nh3+ 62. Kg4 Nf2+ 63. Kf4 Nh3+ 64. Kg4 Nf2+ {Accuracy: White = 51%, Black = 50%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Megaranto, Susanto"]
[Black "Tran, Minh Thang"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2530"]
[BlackElo "2355"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,117,0,5,23,17,29,24,47,35,30,23,46,43,39,24,46,37,50,40,33,19,32,39,70,39,41,39,47,41,42,23,34,43,55,41,42,15,78,83,75,81,103,85,98,110,112,102,112,98,106,68,138,122,134,114,151,120,147,88,124,134,121,137,214,197,230,191,180,183,258,268,269,264,258,206,309,310,468,308,522,498,591,587,640,597,598,572,720,881,832,851,859,858,848,772,1062,1050,863,802,29985,2806,29993,1249,29993,29994]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. O-O h6 {D23: Queen's Gambit Accepted: 3 Nf3 Nf6 sidelines} (8... Be7 9. Nc3 O-O 10. Re1 Ne4 11. Qb3 Qb6 12. Nh4 Qxb3 13. axb3 Bb4 14. Nxf5 exf5 15. Bxe4 fxe4 16. Bd2 Rfe8 17. Nxe4 Rxe4 18. Bxb4 Rxd4 19. Bc3 Re4 {½-½ (29) Nguyen,N (2618)-Maghsoodloo,P (2636) Hamedan 2018}) 9. Nc3 Be7 10. e3 {[%cal Be2e3,Be3e4][%mdl 32]} Qc7 {White has an edge.} 11. Re1 O-O 12. e4 Bh7 13. Bf4 Qb6 14. a3 $146 ({Predecessor:} 14. Qe2 Bb4 15. Ne5 Nxe5 16. Bxe5 Nd7 17. Bf4 {0-1 (68) Joergens,M-Vengels,J Ruhrgebiet 1996}) 14... a6 15. Qe2 Rfe8 16. Rac1 Rad8 17. h3 Nf8 18. Red1 N8d7 19. Ne5 Nxe5 $1 20. Bxe5 Rd7 21. b4 Rdd8 22. Rb1 g5 23. g4 Nd7 24. Bg3 Bf6 25. Qc4 Nf8 {[#]} (25... Qa7 $11) 26. Na4 $1 $16 {[%cal Ra4b6]} Qa7 {[%cal Rf6d4]} 27. Nc5 $36 {[%mdl 2048] White is on the roll.} Nd7 28. Rbc1 Bg6 29. Qc3 Bg7 30. Bc7 Rc8 {Strongly threatening ...Nxc5.} 31. Bd6 ({Of course not} 31. Nxd7 $6 Rxc7 32. Nc5 Ra8 $14) 31... Rcd8 32. Qe3 Nf6 ({Black should try} 32... e5 $14) 33. Bc7 Rc8 34. Bg3 Rcd8 35. Rd2 Nd7 36. Bd6 (36. h4 $142) 36... Nf6 37. Bc7 Rc8 38. Bg3 a5 (38... b6 $16 {is a better defense.}) 39. bxa5 $18 Bf8 40. Rb2 Qxa5 41. Rxb7 Ra8 (41... Bxc5 $142 42. Rxc5 Qa8) 42. Be5 Nh7 43. Rc3 {aiming for Bc7.} Rec8 44. Bf3 Ra7 (44... f6 {was necessary.}) 45. Rbb3 Be7 (45... Qd8 $142 46. d5 exd5) 46. Rc4 Rca8 $2 (46... Nf8 47. Ra4 Qxa4 48. Nxa4 Rxa4) 47. Bb8 {[%mdl 64] [#] Trapped Piece} Qd8 48. Bxa7 Rxa7 49. e5 Qc7 50. Rcb4 Nf8 51. Rb7 Rxb7 52. Rxb7 Qd8 53. Bxc6 h5 54. Nd7 hxg4 55. hxg4 Qc8 56. Qf3 Bxa3 57. Rb8 (57. Nf6+ $142 Kh8 58. Qh3+ Kg7 59. Ne8+ Qxe8 60. Bxe8 Bc1 61. Bxf7 Bxf7 62. Qc3) 57... Qa6 58. Ra8 (58. Nf6+ $142 Kh8 59. Qh3+ Kg7 60. Ne8+ Kg8 61. Qh6 Qf1+ {[%mdl 64] Decoy} 62. Kxf1 Bd3+ 63. Kg1 Nh7 64. Qg7#) 58... Qc4 59. Qxa3 {Accuracy: White = 66%, Black = 31%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Gajek, Radoslaw"]
[Black "Saravanan, V.."]
[Result "1/2-1/2"]
[ECO "E63"]
[WhiteElo "2481"]
[BlackElo "2318"]
[Annotator "ChessBase"]
[PlyCount "173"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 4. g3 {[%emt 0:00:09]} O-O {[%emt 0:00:00]} 5. Bg2 {[%emt 0:00:04]} d6 {[%emt 0:06:04]} 6. O-O {[%emt 0:00:08]} Nc6 {[%emt 0:00:03]} 7. d4 {[%emt 0:01:23]} a6 {[%emt 0:00:06]} 8. d5 {[%emt 0:03:20]} Na5 {[%emt 0:00:07]} 9. Nd2 {[%emt 0:01:32]} c5 {[%emt 0:00:07]} 10. a3 {[%emt 0:05:22]} Bd7 {[%emt 0:00:40]} 11. b4 {[%emt 0:07:47]} cxb4 {[%emt 0:00:20]} 12. axb4 {[%emt 0:00:09]} Nxc4 {[%emt 0:00:05]} 13. Nxc4 {[%emt 0:01:06]} Qc7 {[%emt 0:10:32]} 14. Qb3 {[%emt 0:03:01]} Rac8 {[%emt 0:01:11]} 15. Nxd6 {[%emt 0:01:54]} Qxc3 {[%emt 0:08:35]} 16. Qxc3 {[%emt 0:01:10]} Rxc3 {[%emt 0:00:06]} 17. Nxb7 {[%emt 0:00:36]} Bb5 {[%emt 0:12:46]} 18. Nc5 {[%emt 0:13:10]} Rc2 {[%emt 0:02:56]} 19. Ra5 {[%emt 0:11:40]} Bxe2 {[%emt 0:09:16]} 20. Re1 {[%emt 0:00:10]} Ng4 {[%emt 0:00:27]} 21. Be4 {[%emt 0:05:20]} Bc3 {[%emt 0:00:12]} 22. Bxc2 {[%emt 0:01:06]} Bxe1 {[%emt 0:00:13]} 23. Nd3 {[%emt 0:01:28]} Bxd3 {[%emt 0:04:08]} 24. Bxd3 {[%emt 0:00:12]} Nxf2 {[%emt 0:00:37]} 25. Bxa6 {[%emt 0:00:58]} Bxb4 {[%emt 0:00:46]} 26. Ra4 {[%emt 0:12:34]} Bc5 {[%emt 0:00:57]} 27. Ba3 {[%emt 0:02:05]} Nd3+ {[%emt 0:07:06]} 28. Kf1 {[%emt 0:01:06]} Bxa3 {[%emt 0:00:11]} 29. Bxd3 {[%emt 0:00:43]} Bd6 {[%emt 0:00:07]} 30. Be4 {[%emt 0:00:52]} Rb8 {[%emt 0:01:53]} 31. Ra2 {[%emt 0:00:13]} h5 {[%emt 0:02:38]} 32. Bf3 {[%emt 0:00:55]} Kg7 {[%emt 0:03:09]} 33. Kg2 {[%emt 0:00:36]} Rb3 {[%emt 0:00:50]} 34. Re2 {[%emt 0:01:24]} Kh6 {[%emt 0:01:32]} 35. Be4 {[%emt 0:08:23]} Kg5 {[%emt 0:03:28]} 36. Bf3 {[%emt 0:00:50]} Ra3 {[%emt 0:00:10]} 37. Re4 {[%emt 0:00:35]} Rc3 {[%emt 0:01:10]} 38. Re2 {[%emt 0:00:25]} h4 {[%emt 0:02:15]} 39. gxh4+ {[%emt 0:03:52]} Kxh4 {[%emt 0:00:06]} 40. Re4+ {[%emt 0:02:24]} Kg5 {[%emt 0:00:09]} 41. Be2 {[%emt 0:02:27]} Rc2 {[%emt 0:04:25]} 42. h4+ {[%emt 0:03:48]} Kh6 {[%emt 0:02:00]} 43. Kf1 {[%emt 0:01:49]} Rd2 {[%emt 0:01:39]} 44. Bf3 {[%emt 0:00:12]} Bg3 {[%emt 0:07:57]} 45. Kg1 {[%emt 0:00:58]} f5 {[%emt 0:02:35]} 46. Rxe7 {[%emt 0:00:34]} Bxh4 {[%emt 0:00:06]} 47. Re6 {[%emt 0:00:20]} Bf2+ {[%emt 0:01:16]} 48. Kh1 {[%emt 0:00:47]} Bg3 {[%emt 0:00:06]} 49. Re2 {[%emt 0:00:09]} Rd3 {[%emt 0:00:57]} 50. Kg2 {[%emt 0:00:03]} Bf4 {[%emt 0:00:24]} 51. Re6 {[%emt 0:00:46]} Kg7 {[%emt 0:00:34]} 52. Re7+ {[%emt 0:01:00]} Kf6 {[%emt 0:01:42]} 53. Re6+ {[%emt 0:00:05]} Kg5 {[%emt 0:00:05]} 54. Kf2 {[%emt 0:00:33]} Rd4 {[%emt 0:01:43]} 55. Kf1 {[%emt 0:01:54]} Kh6 {[%emt 0:00:43]} 56. Kg2 {[%emt 0:00:38]} Kg7 {[%emt 0:00:16]} 57. Re7+ {[%emt 0:00:05]} Kf6 {[%emt 0:00:07]} 58. Re6+ {[%emt 0:00:04]} Kf7 {[%emt 0:00:05]} 59. Kf1 {[%emt 0:00:47]} Bg5 {[%emt 0:03:41]} 60. Rb6 {[%emt 0:01:23]} Be7 {[%emt 0:00:14]} 61. Ke2 {[%emt 0:01:03]} g5 {[%emt 0:01:00]} 62. Bh5+ {[%emt 0:00:05]} Kf8 {[%emt 0:00:08]} 63. Rb8+ {[%emt 0:00:25]} Kg7 {[%emt 0:00:08]} 64. Rb7 {[%emt 0:00:15]} Kh6 {[%emt 0:01:40]} 65. Bf7 {[%emt 0:00:19]} Bc5 {[%emt 0:00:53]} 66. Be6 {[%emt 0:00:07]} Kg6 {[%emt 0:00:20]} 67. Rf7 {[%emt 0:00:25]} Rf4 {[%emt 0:00:07]} 68. Rc7 {[%emt 0:00:24]} Bb4 {[%emt 0:00:21]} 69. Rc8 {[%emt 0:00:36]} Kf6 {[%emt 0:00:13]} 70. Ke3 {[%emt 0:00:36]} Bd6 {[%emt 0:01:08]} 71. Rd8 {[%emt 0:00:57]} Bc5+ {[%emt 0:00:12]} 72. Ke2 {[%emt 0:00:12]} g4 {[%emt 0:00:24]} 73. Rg8 {[%emt 0:00:12]} Ke5 {[%emt 0:00:40]} 74. Rg5 {[%emt 0:00:06]} Kf6 {[%emt 0:00:32]} 75. Rg8 {[%emt 0:00:06]} Bd6 {[%emt 0:00:19]} 76. Rd8 {[%emt 0:00:59]} Ke5 {[%emt 0:00:22]} 77. Rg8 {[%emt 0:00:05]} Bc5 {[%emt 0:01:52]} 78. Rg5 {[%emt 0:01:24]} Kf6 {[%emt 0:00:29]} 79. Rg8 {[%emt 0:00:17]} Ra4 {[%emt 0:00:59]} 80. Kf1 {[%emt 0:01:43]} Bd6 {[%emt 0:00:20]} 81. Rd8 {[%emt 0:00:16]} Ra6 {[%emt 0:00:43]} 82. Rd7 {[%emt 0:00:20]} Be7 {[%emt 0:01:59]} 83. Bxf5 {[%emt 0:00:22]} Kxf5 {[%emt 0:00:10]} 84. Rxe7 {[%emt 0:00:04]} Rd6 {[%emt 0:00:05]} 85. Kg2 {[%emt 0:00:28]} Rxd5 {[%emt 0:00:11]} 86. Rf7+ {[%emt 0:00:05]} Kg6 {[%emt 0:00:13]} 87. Rf8 {[%emt 0:00:02]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Vignesh N R"]
[Black "Saurabh Anand"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2461"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "115"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,115,10,10,25,19,18,15,14,0,20,14,15,15,19,13,19,10,21,18,40,39,39,39,40,40,40,39,37,17,40,40,39,31,38,31,35,33,41,24,41,30,35,30,33,0,40,35,150,62,73,83,107,95,123,120,255,269,264,266,248,241,222,232,297,461,419,402,436,457,400,351,458,432,460,407,425,383,404,368,325,393,258,8,1811,1619,1565,1216,1514,1311,1962,1892,12829,9988,5202,5097]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 8. Ba2 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack} c5 9. Nc3 Nc6 10. Nd5 Nxd5 11. Bxd5 Be6 12. c3 {LiveBook: 11 Publish game on website} Bf6 13. Qb3 Qd7 14. Be3 {[#]} Bxd5 $146 ({You set blue moves yourself with the critical opening position annotation.:} 14... Rfe8 15. Nd2 Rab8 {½-½ (96) Kobalia,M (2624)-Soffer,R (2508) Minsk 2017}) 15. Qxd5 Qe6 16. Qxe6 fxe6 17. Kf1 Rac8 18. Ke2 Be7 19. h4 {[%cal Bh2h4,Bh4h5,Bh5h6][%mdl 32]} d5 20. h5 Bd6 21. h6 g6 22. Ng5 Rfe8 23. a5 d4 24. Bd2 Bc7 25. c4 Bd6 26. Ra3 {[%cal Ba1a3,Ba3b3,Bb3b5,Bb5b6,Bb6c6][%mdl 32]} Bf8 27. Nf3 {[%cal Bg5f3,Bf3h2,Bh2g4][%mdl 32]} Bd6 28. Rea1 Rc7 29. Rb3 Kf8 30. Nh2 Ree7 31. Ng4 Rf7 32. Bg5 Be7 33. Bd2 Bd6 34. Rb5 Be7 (34... a6 $14 35. Rb6 Ke8) 35. Ra3 (35. a6 $1 $16 {[%cal Ra6b7]} b6 36. b4 $1 {[%mdl 512]}) 35... Ke8 36. Rab3 Bd6 37. Bg5 a6 38. Rb6 Be7 (38... Kf8 $16) 39. Rxc6 $1 $18 {[%mdl 64] NOTEXT-4839} Rxc6 40. Rxb7 Bxg5 41. Rxf7 Kxf7 42. Nxe5+ {[%mdl 64] NOTEXT-4834} Ke7 43. Nxc6+ {[%mdl 4096] General book An&L-An&W} Kd6 44. Nb8 Be7 45. Kf3 Kc7 46. Nxa6+ Kb7 {[#]} 47. Kf4 $1 Bd6+ 48. e5 Bf8 49. Nxc5+ $1 Bxc5 {An&L-An&P} 50. Ke4 Ka6 51. f4 Kxa5 52. g4 {Strongly threatening f5.} Kb4 $2 {[%mdl 8192]} (52... Kb6 $11) 53. f5 {White is clearly winning.} gxf5+ 54. gxf5 exf5+ 55. Kxf5 Kb3 56. Ke4 Kxb2 57. Kd5 Bf8 58. c5 {NOTEXT-4805: Tournament = 64%, Annotator = 35%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Akash G"]
[Black "Popov, Ivan"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "2453"]
[BlackElo "2588"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,123,4,28,13,6,8,36,-2,66,70,77,70,80,71,68,33,34,10,20,0,0,0,24,0,23,16,21,0,0,-19,-19,-20,-24,-16,0,0,104,94,67,75,69,0,0,0,0,0,0,0,0,-124,-46,-90,-76,-84,-72,-66,-72,-59,-70,-139,-81,-205,-195,-193,-206,-198,-206,-194,-208,-195,-195,-195,-195,-187,-200,-211,-186,-206,-132,-132,-88,-265,-250,-257,-258,-251,-250,-418,-449,-29968,-29970,-29968,-29969,-29968,-29970,-29970,-29971,-29971,-29972,-29970,-29972,-5631]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. Nbd2 Bg7 8. O-O O-O 9. Re1 Re8 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} (9... Nh5 10. Nf1 f5 11. Bb3+ Kh8 12. Ng5 Qf6 13. exf5 Bxf5 14. Be3 Nf4 15. Bxf4 exf4 16. Ne4 Bxe4 17. Rxe4 {½-½ (45) Carlsen,M (2835)-Shirov,A (2643) St Petersburg 2018}) 10. Nf1 b5 11. Bc2 Bb7 12. Bg5 h6 {LiveBook: 3 Games} 13. Bd2 $146 ({Predecessor:} 13. Bh4 Nb8 14. N3d2 Nbd7 15. a4 c5 16. b4 d5 17. Nb3 {0-1 (56) Lagno,K (2456)-Roiz,M (2605) Gibraltar 2007}) 13... Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5,Bc5e6][%mdl 32]} 14. Ng3 Nbd7 15. h4 (15. Qc1 $5 {[%cal Rd2h6]}) 15... Ng4 (15... h5 $11) 16. h5 $14 Qf6 17. Rf1 Nc5 18. hxg6 fxg6 19. b4 (19. Ng5 $5) 19... Ne6 20. Bb3 Kh7 21. Ne1 Qh4 {[%csl Gg4][%cal Rh4h2]} 22. Nf3 Qf6 23. Ne1 h5 (23... Qh4 $5 24. Nf3 $8 Qf6 $11) 24. Bxe6 Rxe6 25. f3 Nh6 $1 26. f4 exf4 $1 27. Rxf4 Qe7 28. Nf3 Kh8 29. Qb3 Rf6 (29... c5 $11) 30. Rxf6 $1 $16 Qxf6 31. Bg5 Qf8 32. Nh4 (32. Ne2 $14) 32... Kh7 $11 33. Bxh6 Kxh6 34. Rf1 Qe8 35. Rf7 Bc8 $1 {[%cal Rc8e6] Threatens to win with ...Be6.} 36. Rf2 (36. Rxc7 $11 {remains equal.} Be6 37. Qd1) 36... Be6 ({Black should try} 36... Qe6 $17 {Hoping for ...Qxb3.} 37. Ne2 Qxb3 38. axb3 a5 39. bxa5 Rxa5) 37. Qd1 Kh7 38. d4 Bg4 $36 {[%mdl 2048] Black is really pushing.} 39. Qd3 Qe7 $1 {[%cal Re7h4]} 40. Nf3 Rf8 41. Nf1 {[#]} ({Only move:} 41. a3 $1 $15) 41... Bh6 (41... Bxf3 $142 $1 42. Rxf3 Rxf3 43. Qxf3 c5 44. bxc5 dxc5) 42. a4 (42. N3h2 $17) 42... bxa4 43. Qxa6 Bxf3 ({Worse is} 43... Qxe4 {[#]} 44. Ng5+ $1 {[%mdl 512]} Bxg5 45. Rxf8 $11) 44. Rxf3 Rxf3 ({Resist} 44... Qxe4 45. Rxf8 Bxf8 46. Qxa4 $15) 45. gxf3 Qg5+ 46. Kf2 Qc1 47. Qxa4 {Threatening Qd7+.} Qb2+ 48. Kg1 Qxc3 49. Qd7+ Bg7 50. Kg2 Qb2+ 51. Kh3 Qxd4 {And now ...Qf2 would win.} 52. b5 $2 (52. Qxc7 $17 {only move.} Qxb4 53. Qf7) 52... Qf2 $19 53. Nh2 Kh6 {( -> ...Be5)} 54. Qf7 Qd2 55. Qe7 $2 (55. Nf1 Qg5 56. Ng3) 55... Qf4 56. Qh4 (56. Kg2 $19 Be5 57. Nf1) 56... Qxh4+ {Black mates.} 57. Kxh4 {KB-KN} Be5 58. Nf1 Bf4 59. Kh3 Kg5 60. Kg2 Kf6 61. Kf2 Ke5 62. Ke2 {Precision: White = 44%, Black = 73%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Shyaamnikhil P"]
[Black "Konguvel, Ponnuswamy"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2446"]
[BlackElo "2302"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,51,15,15,0,18,0,12,12,12,13,18,-22,-17,-61,-62,-63,-45,-63,-24,-27,0,-21,-10,-22,-13,-11,-17,-8,-10,-19,-6,-39,7,-23,-6,-12,0,0,0,-37,-10,-34,0,-44,0,-19]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 c6 5. O-O O-O 6. c3 d6 7. Nbd2 Nbd7 8. e4 e5 9. Re1 Qc7 10. b3 {LiveBook: 3 Games. A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems} Re8 11. Ba3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. Rc1 $146 ({Predecessor:} 12. c4 a6 13. Rc1 Bb7 14. Bb2 exd4 15. cxb5 axb5 16. Nxd4 Qb6 17. a4 Nh5 18. axb5 cxb5 {0-1 (26) Luong,P (2122)-Hoang,T (2269) Da Lat 2014}) 12... a5 13. Bb2 c5 14. Bf1 Ba6 15. dxe5 dxe5 16. c4 b4 17. Bd3 Rad8 18. Nf1 {[%cal Bd2f1,Bf1e3,Be3d5][%mdl 32]} Bb7 19. Qc2 Nb8 {[%cal Bd7b8,Bb8c6,Bc6d4][%mdl 32]} 20. Rcd1 Nc6 21. Ne3 $1 Nd4 22. Nxd4 cxd4 23. Nd5 $1 {[%cal Rd5c7]} Qc5 24. Qd2 Nd7 25. Ra1 Bf8 26. h4 Ra8 27. h5 Qd6 28. hxg6 hxg6 29. Qg5 Be7 30. Qh6 Bf8 31. Qg5 Be7 32. Qh6 {Precision: White = 42%, Black = 30%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Nitin, S.."]
[Black "Pranesh M"]
[Result "0-1"]
[ECO "C49"]
[WhiteElo "2442"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,100,21,17,81,2,10,12,13,12,12,13,8,5,0,-4,-6,-50,-27,-41,-22,-22,-21,-52,-49,-58,0,-20,-4,0,8,9,34,39,44,15,28,17,21,-5,-16,-19,-37,-52,-64,-57,-70,-47,-60,-58,-57,-82,0,0,0,-75,-75,-69,-68,-74,-71,-170,-62,-280,-280,-280,-282,-276,-269,-339,-277,-423,-438,-423,-333,-550,-550,-550,-550,-546,-495,-710,-675,-1110,-793,-766,-755,-5121,-5114,-5097,-5097]} 1. Nc3 Nc6 2. e4 e5 3. Nf3 Nf6 4. Bb5 Bb4 5. O-O Bxc3 6. bxc3 O-O {C49: Four Knights: 4 Bb5 Bb4} 7. Re1 {LiveBook: 11 Games} (7. d3 d6 8. Bxc6 bxc6 9. Rb1 Be6 10. c4 Rb8 11. Rb3 h6 12. h3 Nd7 13. Be3 f5 14. exf5 Bxf5 15. Nd2 c5 16. Qf3 Rb6 17. Rfb1 {0-1 (40) Druska,J (2434)-Simacek,P (2500) Vienna 2018}) 7... Re8 {[#]} (7... Qe7 $11) 8. d3 (8. d4 $1 $16) 8... h6 $146 {The position is equal.} ({Predecessor:} 8... d6 9. Rb1 h6 10. Ba4 a6 11. c4 Nd7 12. Be3 Ne7 13. c5 dxc5 14. Bxd7 Qxd7 15. Nxe5 {1-0 (45) Willemze,T (2398)-Hadzimanolis,A (2306) Kallithea 2008}) 9. Nd2 Ne7 10. d4 Ng6 11. a4 c6 12. Bf1 d5 13. exd5 cxd5 14. Nb3 e4 15. c4 Bg4 16. Qd2 $1 dxc4 17. Bxc4 Nh4 $1 {[%cal Rh4g2] [#] Hoping for ...Nxg2!} 18. Bf1 $1 Qc8 (18... Bf3 $1 $15) 19. Ba3 {[%cal Bc1a3,Ba3d6,Bd6g3][%mdl 32]} Qf5 20. Bd6 $1 e3 21. Rxe3 Ne4 22. Rxe4 $1 Qxe4 23. Bg3 $1 {[%cal Rg3h4]} Qe7 24. Bb5 Rec8 25. Re1 Qg5 $36 {[%mdl 2048] Black has some pressure.} 26. f4 Qf6 27. Nc5 Nf5 28. Bf2 Nd6 29. h3 Bf5 {And now ...b6 would win.} 30. g4 Nxb5 31. axb5 Bxc2 ({Black should try} 31... b6 $17 32. gxf5 bxc5) 32. Qxc2 $11 {aiming for Qe4.} b6 33. Qe4 (33. Qf5 $11 {remains equal.} Qxf5 34. gxf5) 33... bxc5 $17 34. dxc5 Qc3 35. Kg2 Rab8 36. Bd4 (36. Rb1 $17) 36... Qc4 ({Black should play} 36... Qb3 $19 37. g5 hxg5 38. fxg5 Rxb5) 37. g5 $2 ({White must play} 37. b6 $15) 37... hxg5 $19 ({Stronger than} 37... Rxb5 38. gxh6 Rbxc5 39. Bxc5 $11) ({Worse is} 37... Qxb5 38. Qe5 $14) 38. fxg5 {and if Qe5 works, White does fine.} Re8 ({Don't take} 38... Rxb5 39. Qe5 $17) 39. Qxe8+ Rxe8 40. Rxe8+ {[%mdl 4096] Endgame KQ-KRB} Kh7 41. Be3 (41. Re4 $142) 41... Qxb5 42. Re7 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 43. Rxf7 $2 (43. Kf2 a4 44. Ra7) 43... Qe2+ {Black is clearly winning.} 44. Bf2 a4 45. Ra7 Qe4+ 46. Kg1 (46. Kg3 $142 Qd3+ 47. Kf4) 46... Qf3 47. h4 Kg6 48. Ra6+ Kh5 49. c6 Qg4+ 50. Kh2 Qe2 {Precision: White = 43%, Black = 65%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Neelotpal, Das"]
[Black "Aleksandrov, Aleksej"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2419"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,88,0,18,34,29,29,22,51,16,42,0,0,0,0,0,0,0,0,0,0,0,25,-114,-114,-191,-214,-238,-228,-206,-200,-178,-176,-314,-285,-349,-348,-354,-362,-343,-358,-546,-502,-485,-492,-529,-533,-533,-526,-529,-520,-522,-527,-526,-527,-521,-521,-505,-471,-466,-441,-533,-482,-476,-466,-520,-530,-530,-511,-504,-484,-514,-483,-936,-926]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. Re1 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Bg5 h6 9. Bh4 {LiveBook: 8 Publish game on website} Ba7 $146 {The position is equal.} ({You set blue moves yourself with the critical opening position annotation.:} 9... g5 10. Bg3 Ba7 11. Na3 Nh7 12. Nd2 g4 13. Nb5 Bb6 14. Bb3 a4 15. Bc2 {1-0 (58) Vachier Lagrave,M (2778)-Ding,L (2816) Shenzhen 2018}) 10. Na3 Be6 11. Bb3 Kh8 12. Nb5 Bb6 13. Nd2 g5 14. Bg3 h5 $36 {[%mdl 2048] Black is pushing.} 15. h4 Ng4 {Threatens to win with ...&Lb3.} 16. Nf3 gxh4 17. Bxh4 Qd7 18. d4 {d5 is the strong threat.} Ne7 19. c4 {[#]} (19. Na3 $11 {remains equal.}) 19... Ng6 $1 $17 {White must now prevent ...a4!} 20. Bg5 (20. Bg3 $17 exd4 21. Nbxd4) 20... f6 21. Be3 {[#]} a4 $1 {[%mdl 512]} 22. Bxa4 Bxc4 23. Nc3 {[#]} Qg7 $1 24. b3 (24. Bb3 $142 Bxb3 25. Qxb3) 24... Be6 $19 25. Bb5 Rg8 26. Bf1 Nxe3 27. fxe3 Bg4 28. Nd5 (28. Be2 $142 Nf4 29. exf4 Bxf3 30. Bxf3 Bxd4+ {[%mdl 64] NOTEXT-4834} 31. Kf1 Bxc3 32. a4) 28... Ba7 {Black is clearly winning.} 29. Be2 c6 30. Nc3 Bxf3 31. Bxf3 Nh4 {[%mdl 64] NOTEXT-4836} 32. Kh1 exd4 {[%mdl 64] NOTEXT-4838} 33. exd4 {[#]} Bxd4 $1 {[%mdl 512]} 34. Qxd4 {aiming for &Vg1.} Nxf3 {[%csl Gg8][%cal Rg7g2]} 35. Qf2 Nxe1 36. Rxe1 {[#]} f5 $1 37. Re3 (37. exf5 Qxc3) 37... fxe4 38. Rh3 Ra5 39. Nxe4 {[#]} Rf5 $1 {[%mdl 512]} 40. Qd2 (40. Qxf5 Qxg2#) 40... Qa1+ 41. Kh2 {[%cal Rd2h6]} Qe5+ 42. Kg1 {[%cal Rd2h6]} Rg6 43. Re3 Qf4 44. Qe2 (44. Nf2 $142) 44... Re5 {NOTEXT-4805: Tournament = 50%, Annotator = 85%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Rajesh, V A V"]
[Black "Ziatdinov, Raset"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2410"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,113,4,4,0,24,15,36,29,31,20,20,15,22,22,18,16,23,18,15,0,17,10,45,20,18,15,18,16,29,0,0,0,0,-37,33,33,33,33,33,33,37,37,29,29,29,12,37,35,37,37,37,37,37,37,37,37,37,37,79,37,37,37,79,40,52,63,101,90,105,104,91,91,121,121,215,201,265,264,264,266,440,472,453,431,528,552,613,585,704,704,1033,1006,1008,997,1033,1046,1724,1530,1643,1386,29990,29991]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 Nxd5 6. Bxe7 Qxe7 7. Nxd5 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations} (7. Qb3 O-O 8. Nf3 c5 9. dxc5 Qxc5 10. e3 Nxc3 11. Rc1 Nc6 12. Rxc3 Qb4 13. Bd3 Qxb3 14. Rxb3 b6 {½-½ (25) Laznicka,V (2662)-Radjabov,T (2751) Batumi 2018}) 7... exd5 {LiveBook: 7 Games} 8. Rc1 $146 ({Predecessor:} 8. e3 Qb4+ 9. Qd2 Qxd2+ 10. Kxd2 a5 11. Bd3 O-O 12. Ne2 {½-½ (12) Barsov,A (2530)-Hayrapetyan,H (2486) Sitges 2013}) 8... Qb4+ (8... c6 {is more complex.} 9. e3 Bf5 10. Ne2 O-O 11. h4 Nd7) 9. Qd2 {White has an edge.} Qxd2+ 10. Kxd2 c6 11. e3 Bf5 12. Ne2 Nd7 13. Ng3 Bg6 14. h4 h5 15. f3 Nb6 16. Be2 O-O-O 17. b3 Rd6 18. Rhe1 Kd7 19. Bd1 Nc8 20. Ne2 Ne7 21. Nf4 Nf5 22. Rh1 Re8 23. Rc3 Kd8 (23... Rf6 $1 $15) 24. Bc2 $14 Ng3 25. Rh3 Nf1+ 26. Ke2 {[#] Black must now prevent Bxg6.} Bxc2 27. Kxf1 Bf5 28. Rh1 g6 29. Kf2 Rd7 30. b4 a6 31. a4 Kc7 32. Rhc1 Rd6 33. Rc5 Kb6 34. R1c3 Red8 35. Rb3 R6d7 36. Rb2 Rd6 37. Ke1 R6d7 38. Kd2 Rd6 39. b5 {[#] Strongly threatening bxc6+.} axb5 40. axb5 Kc7 41. b6+ Kd7 42. Ra5 Rb8 43. Ne2 f6 (43... Ke7 $16 {was worth a try.}) 44. Nc3 $18 g5 45. hxg5 fxg5 46. e4 {[%cal Be3e4,Be4e5][%mdl 32]} Bh7 $2 (46... dxe4 {was necessary.} 47. Rxf5 Rxd4+ 48. Ke2 exf3+ 49. gxf3 (49. Rxf3 Re8+ 50. Kf2 Kd6 $16) 49... Rh4) 47. e5 Rg6 48. Na4 g4 49. Nc5+ Ke7 50. Ke3 gxf3 51. gxf3 Rg3 52. Ra7 Be4 53. Rf2 h4 54. Nxb7 h3 55. Nc5+ Ke8 56. b7 Bxf3 57. Ra8 {Precision: White = 80%, Black = 47%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Sahoo, Utkal Ranjan"]
[Black "Senthil Maran K"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2388"]
[BlackElo "2183"]
[Annotator "NA"]
[PlyCount "127"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bd6 {LiveBook: 123 Games} 6. Bg5 Ne7 7. e3 Bf5 8. a3 {[%emt 0:14:18] D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} (8. Bd3 Bxd3 9. Qxd3 Nd7 10. O-O f6 11. Bh4 Ng6 12. Bg3 Bxg3 13. hxg3 {½-½ (13) Hulak,K (2557)-Pavasovic,D (2586) Celje 2003}) 8... O-O {[%emt 0:17:43]} 9. Nh4 $146 {[%emt 0:00:30]} ({Predecessor:} 9. Bh4 Nd7 10. Bd3 Bxd3 11. Qxd3 a5 12. O-O Re8 13. b3 Nb6 {0-1 (31) Yee,L (2185)-O'Donnell,T (2357) Sackville 2001}) 9... f6 {[%emt 0:00:30]} 10. Bf4 {[%emt 0:00:30]} Bxf4 {[%emt 0:00:30]} 11. exf4 {[%emt 0:00:30]} Qd6 {[%emt 0:00:30]} 12. Qd2 {[%emt 0:00:30]} Nd7 {[%emt 0:00:30]} 13. Be2 {[%emt 0:00:30]} Be4 {[%emt 0:00:30]} 14. O-O {[%emt 0:00:30]} Rae8 {[%emt 0:00:30]} 15. Rfe1 {[%emt 0:00:30]} Ng6 {[%emt 0:00:30]} 16. Bh5 {[%emt 0:00:30]} Nxh4 {[%emt 0:00:30]} 17. Bxe8 {[%emt 0:00:30]} Rxe8 {[%emt 0:00:30]} 18. f3 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 19. fxe4 {[%emt 0:00:30]} fxe4 {[%emt 0:00:30]} 20. Rf1 $17 {[%emt 0:00:30]} ({Better is} 20. Ne2 $15) 20... Qh6 {[%emt 0:00:30]} (20... Nf5 $17) 21. Nd1 {[%emt 0:00:30]} Re6 {[%emt 0:00:30]} 22. Ne3 {[%emt 0:00:30]} Rg6 {[%emt 0:00:30]} 23. Kh1 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 24. Qa5 {[%emt 1:11:36]} Kh8 {[%emt 1:11:58]} 25. Qd8+ {[%emt 0:00:30]} Ng8 {[%emt 0:00:30]} 26. Qc8 {[%emt 0:00:30]} Rd6 {[%emt 0:00:30]} 27. Qxb7 {[%emt 0:00:30]} Qh5 {[%emt 0:00:30]} 28. Qc8 {[%emt 0:00:30]} Qe2 {[%emt 0:00:30]} 29. Rae1 {[%emt 0:00:30]} Qd2 {[%emt 0:00:30]} 30. Qg4 {[%emt 0:00:30]} Rh6 {[%emt 0:00:30]} 31. Re2 {[%emt 0:00:30]} Qxd4 {[%emt 0:00:30]} 32. g3 {[%emt 0:00:30]} Nf3 {[%emt 0:00:30]} 33. Nf5 {[%emt 0:00:30]} Qf6 {[%emt 0:00:30]} 34. Nxh6 {[%emt 0:00:30]} Qxh6 {[%emt 0:00:30]} 35. Rxf3 {[%emt 0:00:30]} exf3 {[%emt 0:00:30]} 36. Qxf3 {[%emt 0:00:30]} Qg6 {[%emt 0:00:30]} 37. f5 {[%emt 0:00:30]} Qf6 {[%emt 0:00:30]} 38. Kg2 {[%emt 0:00:30]} h6 {[%emt 0:00:30]} 39. g4 {[%emt 0:00:30]} Qd4 {[%emt 0:00:30]} 40. h3 {[%emt 0:00:30]} Nf6 {[%emt 0:00:30]} 41. Qc3 {[%emt 0:00:30]} Qf4 {[%emt 0:00:30]} 42. Qe3 {[%emt 0:00:30]} Qc4 {[%emt 0:00:30]} 43. b3 {[%emt 0:00:30]} Qa6 {[%emt 0:00:30]} 44. a4 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 45. Rc2 {[%emt 0:00:30]} Qb7 {[%emt 0:00:30]} 46. h4 {[%emt 0:00:30]} Qd7 {[%emt 0:00:30]} 47. Qf4 {[%emt 0:00:30]} Qb7 {[%emt 0:00:30]} 48. Qf3 {[%emt 0:00:30]} Qe7 {[%emt 0:00:30]} 49. Rxc6 {[%emt 0:00:30]} Qxh4 {[%emt 0:00:30]} 50. Rc8+ {[%emt 0:07:47]} Kh7 {[%emt 0:02:45]} 51. f6 {[%emt 0:00:30]} Qxf6 {[%emt 0:00:30]} 52. Qxf6 {[%emt 0:00:30]} Nxf6 {[%emt 0:00:30]} 53. Kf3 {[%emt 0:00:30]} Ne4 {[%emt 0:00:30]} 54. Ke3 {[%emt 0:00:30]} Kg6 {[%emt 0:00:30]} 55. Rc7 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 56. Ra7 {[%emt 0:00:30]} Nc5 {[%emt 0:00:30]} 57. Rxa5 {[%emt 0:00:30]} d4+ {[%emt 0:00:30]} 58. Ke2 {[%emt 0:00:30]} d3+ {[%emt 0:00:30]} 59. Kd1 {[%emt 0:00:30]} Nxb3 {[%emt 0:00:30]} 60. Rf5 {[%emt 0:00:30]} Nd4 {[%emt 0:00:30]} 61. a5 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 62. a6 {[%emt 0:00:30]} Na7 {[%emt 0:00:30]} 63. Kd2 {[%emt 0:00:30]} Nc6 {[%emt 0:00:30]} 64. Rc5 {[%emt 0:00:30]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Ameir, Moheb"]
[Black "Deepan Chakkravarthy J."]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2309"]
[BlackElo "2543"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,83,18,11,62,52,70,71,70,58,71,52,44,45,63,24,30,29,34,41,52,45,50,17,60,57,130,137,149,133,157,131,141,149,145,126,133,139,147,149,285,127,614,612,623,620,594,537,531,374,370,370,361,351,420,308,296,292,286,284,234,226,673,648,615,535,553,548]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 (5. Bxd7+ Bxd7 6. d4 cxd4 7. Qxd4 e5 8. Qd3 h6 9. a4 Nf6 10. a5 Be7 11. c4 b5 12. axb6 Qxb6 13. Nc3 O-O 14. Be3 Qb7 15. h3 Rfc8 16. Nd2 Be6 17. Rfb1 a5 18. b3 Ra6 19. Ra2 Bd7 20. Rba1 {½-½ (20) Wang,H (2730)-Nepomniachtchi,I (2763) St Petersburg 2018}) 5... Ngf6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} g6 7. c3 Bg7 8. Bc2 O-O 9. d4 e5 10. a4 {LiveBook: 8 Games} Re8 (10... exd4 $11 11. cxd4 cxd4) 11. d5 $14 b6 12. h3 $146 ({Predecessor:} 12. Na3 h6 {1-0 (27) Barski,R (2432)-Cruz Pino,A (2148) Las Palmas 2018}) 12... Rb8 13. Na3 b5 14. axb5 axb5 15. b3 Nh5 16. c4 bxc4 17. bxc4 Nb6 18. Bd3 Ra8 19. Bg5 f6 20. Be3 Nf4 21. Bf1 f5 {[#]} ({Black should try} 21... Bd7 $14) 22. Nb5 $1 $16 Rxa1 23. Qxa1 fxe4 24. Nd2 Bf5 25. Qa5 Bh6 26. Nc3 Nd3 27. Bxh6 Nxe1 28. Ndxe4 $40 {[%mdl 128] White attacks with force.} Kh8 (28... Bxe4 $16 29. Nxe4 Nc2) 29. Ng5 ({Don't take} 29. Qa7 $6 Re7 $16) (29. Bg5 $18 {and White stays clearly on top.} Qb8 30. Qa2) 29... Qb8 $2 {[%mdl 8192]} (29... Kg8 $16) 30. Nb5 $18 Nc2 {[#]} 31. Nxd6 $1 {[%mdl 512]} Re7 (31... Qxd6 32. Nf7+) 32. Qxc5 Qc7 {[#]} 33. Ngf7+ $1 {[%mdl 512]} Kg8 (33... Rxf7 34. Nxf7+) 34. Qxc7 Rxc7 35. Nxe5 Nd7 36. Ne8 Ra7 37. Nc6 Ra1 38. Nd6 {White threatens Ne7+ and mate.} Re1 39. Kh2 {Threatens to win with g4.} Ne5 $2 (39... Nc5 40. f3 Bd3) 40. Nxe5 {White is clearly winning.} Rxe5 41. c5 Nb4 42. Bc4 {Precision: White = 72%, Black = 36%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Deshmukh, Anup"]
[Black "Khusenkhojaev, Muhammad"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "2259"]
[BlackElo "2455"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,46,21,0,28,18,36,7,68,53,83,-37,-37,-38,-28,-164,-168,-161,-150,-220,-210,-446,-453,-442,-445,-5143,-5050,-5139,-5111,-29989,-29990,-29992,-557]} 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. h4 Bg7 (5... Nxc3 6. bxc3 h6 7. e4 Bg7 8. d4 c5 9. Rb1 O-O 10. Be2 b6 11. Be3 Bb7 12. d5 e6 13. c4 {0-1 (46) Mareco,S (2649)-Ivanchuk,V (2710) Batumi 2018}) 6. h5 {A16: English Opening: 1...Nf6 with ...d5} Nxc3 7. bxc3 c5 8. e4 Nc6 9. Bc4 {LiveBook: 4 Games} e6 10. a4 $146 ({Predecessor:} 10. Ba3 Qa5 11. Qb3 a6 12. hxg6 hxg6 13. Rxh8+ Bxh8 {½-½ (39) Arnold,H-Berry,F ICCF corr 1976}) 10... b6 11. Bb5 Bd7 ({Better is} 11... Bb7 $1 $11) 12. d4 $14 cxd4 13. cxd4 (13. Bg5 $16 Bf6 14. Bxf6 (14. Nxd4 Bxg5 15. Nxc6 Qc7 $17) 14... Qxf6 15. cxd4 (15. Nxd4 a6 $11)) 13... Nxd4 $15 14. Nxd4 {Threatens to win with Bb2.} Bxb5 15. Bb2 {[#]} (15. axb5 $11 Bxd4 16. Ra4 Bc3+ 17. Ke2) 15... Ba6 $1 $19 16. f4 O-O 17. hxg6 (17. Kf2 $17) 17... fxg6 18. Qg4 $2 (18. Nxe6 Qxd1+ 19. Rxd1 Bxb2 20. Nxf8 Rxf8 21. g3) 18... Bxd4 19. Qxe6+ Rf7 20. Rxh7 (20. Rd1 $142 Qf6 21. Qxf6 Bxf6 22. Bxf6 Rxf6 23. g3) 20... Kxh7 21. Qxf7+ Kh6 {[#] ( -> ...Qh4+)} 22. Bxd4 Qxd4 23. Ra3 Qg1+ {Precision: White = 15%, Black = 47%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Sai Vishwesh.C"]
[Black "Laxman, R.R."]
[Result "0-1"]
[ECO "C95"]
[WhiteElo "2250"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,94,32,35,-36,-35,-61,57,50,49,50,62,63,71,-10,0,-4,-10,-56,-46,-351,-344,-366,-349,-388,-371,-375,-371,-368,-354,-366,-366,-360,-350,-370,-349,-407,-402,-379,-349,-343,-311,-316,-347,-384,-375,-339,-270,-243,-214,-328,-310,-318,-307,-407,-429,-508,-477,-544,-536,-532,-518,-485,-490,-746,-601,-2935,-2816,-2081,-1851,-1979,-1968,-29996,-29987]} 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 O-O 8. c3 d6 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 c5 12. Nf1 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} Re8 {LiveBook: 54 Games} 13. Ne3 (13. Ng3 $14) (13. Ng3 Bf8 14. Bc2 cxd4 15. cxd4 exd4 16. Bf4 Bb7 17. Nxd4 g6 18. Qd2 Nc5 19. Bg5 Bg7 {½-½ (37) Karjakin,S (2760)-Kovalev,V (2664) Batumi 2018}) 13... exd4 $146 ({Predecessor:} 13... Bb7 14. dxe5 dxe5 15. Nd5 c4 16. Bc2 Nxd5 17. exd5 Bd6 18. Bg5 f6 19. Be3 Bc5 {½-½ (38) Blazeka,D (2052)-Sekulic,I (1661) Topusko 2011}) 14. cxd4 {Black is slightly better.} c4 (14... Bb7 $1 $15) 15. Bc2 $14 Bb7 16. Nf5 Bf8 {[%cal Rf6e4]} 17. d5 Nc5 {[%cal Rf6e4]} 18. Bg5 ({Better is} 18. Qd4 $16) 18... h6 $36 {[%mdl 2048] Black has some pressure.} 19. Bh4 g6 {[%cal Bg7g6,Bg6f5][%mdl 32]} 20. Qd4 Ncd7 21. Qd2 $2 {[%mdl 8192]} ({White should try} 21. Ng3 $15) 21... gxf5 $19 22. Nd4 fxe4 23. Nf5 Re5 24. Qf4 Qe8 25. Bxf6 Nxf6 26. Nxh6+ Bxh6 27. Qxh6 Nh7 ({Not} 27... Bxd5 28. Qxf6 Qe6 29. Qf4 $15) (27... Rxd5 28. Re3 $16) 28. f4 Re7 29. Re3 {[#] Intending Rg3+ and mate.} Qf8 30. Qxd6 Rd8 31. Qb6 Bxd5 32. Qxa6 Rb7 {aiming for ...Ra8.} 33. Qa5 f5 34. Rg3+ Kh8 35. Rd1 Rd6 36. Kh2 (36. a4 {was called for.}) 36... Qd8 37. Qc3+ {[#]} Qf6 $1 38. Qa5 {intending Rxd5!} Nf8 {[%cal Bh7f8,Bf8e6,Be6f4][%mdl 32]} 39. Rg5 Ne6 40. Rh5+ Rh7 41. Rxh7+ Kxh7 42. Qa7+ Qg7 43. Qb8 (43. Qf2 $142) 43... Rd8 44. Qxb5 Nxf4 {[%csl Gf4][%cal Rg7g2]} 45. Rd2 Qe5 46. Qb6 e3 {( -> ...Ne2+)} 47. Qxd8 Ne6+ {Precision: White = 23%, Black = 71%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Bala Kannamma P"]
[Black "Czebe, Attila"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "2069"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,134,50,8,52,55,64,63,66,25,35,0,0,-15,-9,-22,-12,-33,-36,-43,-38,-31,-29,-29,-34,-84,-90,-91,-91,-85,-88,-89,-82,-60,-46,-56,-55,-57,-45,-45,-45,-45,-45,-52,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,-45,0,-27,-25,-25,-25,-28,0,-27,-17,-26,-17,-17,-22,-29,-12,-45,-13,-45,-45,-45,-45,-45,-45,-68,0,-52,-52,-45,-45,-68,-74,-68,-68,-68,-68,-68,-68,-68,-68,-68,-68,-316,-323,-323,-341,-342,-256,-29975,-29976,-29976,-29977,-29977,-29978,-29978,-29979,-29979,-29980,-29980,-29981,-29981,-29981,-29983,-29984,-29984,-29985]} 1. e4 ({Predecessor:} 1. d4 c5 2. e4 cxd4 3. Nf3 {1-0 (24) Panesso,O (2030)-Riascos,G (1828) La Dorada 2016}) 1... c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 ({Predecessor:} 4... Nf6 5. Nc3 Qb6 6. Nb3 e6 7. a3 a6 8. Be3 {1-0 (24) Panesso,O (2030)-Riascos,G (1828) La Dorada 2016}) 5. Nb3 e6 $146 (5... Nf6 6. Nc3 e6 7. a3 Qc7 {0-1 (43) Yu,K (2375)-Naiditsch,A (2698) Jiangmen 2018}) 6. Be3 Qc7 7. a3 Nf6 8. Nc3 a6 9. Be2 Bd6 {B33: Sicilian: Pelikan and Sveshnikov Variations} (9... b5 10. O-O Ne5 11. f4 Nc4 12. Bxc4 bxc4 13. e5 cxb3 14. exf6 Bb7 15. fxg7 Bxg7 16. cxb3 Bxc3 17. bxc3 Rg8 18. Ra2 Qxc3 {0-1 (43) Yu,K (2375)-Naiditsch,A (2698) Jiangmen 2018}) 10. Qd2 O-O ({Predecessor:} 10... Be5 11. f4 Bxc3 12. Qxc3 e5 13. Bf3 exf4 14. Bd4 Qd8 15. e5 Nxd4 16. Nxd4 Ng4 17. Nf5 Qg5 18. Nd6+ Ke7 19. O-O-O Nxe5 20. Rhe1 f6 21. Qc5 b6 22. Nxc8+ Kd8 23. Qxb6+ Kxc8 24. Qb7+ {1-0 (24) Panesso,O (2030)-Riascos,G (1828) La Dorada 2016}) 11. f4 Be7 {White is slightly better.} 12. e5 Ne8 13. Na4 b5 $1 {[%cal Rb5a4]} 14. Nb6 Rb8 15. Nxc8 Rxc8 16. Bd3 (16. Nc5 $5 {[%cal Rc5a6]}) 16... d6 17. exd6 Nxd6 18. O-O Nc4 19. Bxc4 bxc4 20. Nd4 Rfd8 {And now ...Nxd4 would win.} 21. c3 Bf6 22. Rad1 Nxd4 23. Bxd4 Bxd4+ 24. cxd4 c3 25. bxc3 Qxc3 26. Rf3 Qxd2 (26... Qc6 {looks sharper.} 27. f5 e5 28. Rd3 exd4 29. Qf2 Qc5) 27. Rxd2 $15 {[%mdl 4096] Endgame KRR-KRR} Rd5 28. Kf2 h5 29. Rb3 Rc1 30. g3 Ra1 31. h4 Kh7 32. Kf3 Kg6 33. Rdd3 Ra5 34. Ke4 Kf6 35. Rdc3 Kg6 36. Re3 Rd1 37. Red3 Rf1 (37... Rg1 {is more complex.} 38. Rdc3 Rf1 39. Rb6 Re1+ 40. Kf3 Rd1) 38. Rdc3 Ra1 39. Re3 Rd5 40. Red3 Ra2 41. Rdc3 Ra5 42. Rd3 Kf6 43. Rdc3 Ra4 44. Rd3 (44. f5 $5) 44... Ra1 45. Kf3 g6 46. Ke4 Ra2 47. Rdc3 Ra1 48. Rd3 $1 Re1+ 49. Kf3 Ra5 50. Re3 Rxe3+ 51. Rxe3 {KR-KR} Ra4 52. Ke4 Rc4 53. Rb3 Rc1 54. Re3 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 55. Rd3 a4 56. d5 $2 (56. Re3 $15) 56... Rc4+ $1 $19 57. Ke3 exd5 58. Rxd5 Rc3+ 59. Rd3 $2 (59. Ke4 $19 Rxa3 60. Rg5) 59... Rxd3+ $1 {Black mates.} 60. Kxd3 {KP-KP} Kf5 61. Ke3 Kg4 62. Kf2 Kh3 $1 63. Kf3 f5 64. Kf2 {[#]} Kh2 $1 65. Kf3 {[#]} Kg1 $1 {[%cal Rg1f1]} 66. g4 hxg4+ 67. Kg3 Kh1 {Accuracy: White = 59%, Black = 75%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.23"]
[Round "8"]
[White "Siddarth, M."]
[Black "Deviatkin, Andrei"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "2040"]
[BlackElo "2461"]
[Annotator "ChessBase"]
[PlyCount "138"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:11:54]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:04]} 3. Nc3 {[%emt 0:00:00]} dxe4 {[%emt 0:00:04]} 4. Nxe4 {[%emt 0:00:00]} Nd7 {[%emt 0:01:06]} 5. Nf3 {[%emt 0:00:10]} Ngf6 {[%emt 0:00:08]} 6. Bd3 {[%emt 0:00:24]} Nxe4 {[%emt 0:00:22]} 7. Bxe4 {[%emt 0:00:05]} Nf6 {[%emt 0:00:37]} 8. Bd3 {[%emt 0:00:08]} Bg4 {[%emt 0:04:45]} 9. c3 {[%emt 0:00:18]} Qd5 {[%emt 0:00:36]} 10. h3 {[%emt 0:03:08]} Bxf3 {[%emt 0:03:26]} 11. Qxf3 {[%emt 0:00:16]} Qxf3 {[%emt 0:00:04]} 12. gxf3 {[%emt 0:00:04]} e6 {[%emt 0:05:04]} 13. a4 {[%emt 0:03:13]} a5 {[%emt 0:00:17]} 14. Rg1 {[%emt 0:01:37]} g6 {[%emt 0:01:49]} 15. Bf4 {[%emt 0:02:25]} Nd5 {[%emt 0:05:24]} 16. Be5 {[%emt 0:04:45]} Rg8 {[%emt 0:06:01]} 17. O-O-O {[%emt 0:01:32]} Bg7 {[%emt 0:03:16]} 18. Bg3 {[%emt 0:02:13]} O-O-O {[%emt 0:00:52]} 19. Kc2 {[%emt 0:01:47]} Rd7 {[%emt 0:00:22]} 20. Bc4 {[%emt 0:01:49]} Rgd8 {[%emt 0:00:36]} 21. Rge1 {[%emt 0:05:05]} Bf6 {[%emt 0:04:51]} 22. Bb3 {[%emt 0:01:23]} Ne7 {[%emt 0:00:32]} 23. Kb1 {[%emt 0:02:08]} b6 {[%emt 0:02:16]} 24. Bc4 {[%emt 0:03:38]} Kb7 {[%emt 0:00:08]} 25. Kc2 {[%emt 0:00:22]} Nd5 {[%emt 0:01:20]} 26. Bd3 {[%emt 0:04:21]} Be7 {[%emt 0:01:36]} 27. Bc4 {[%emt 0:01:55]} Rg8 {[%emt 0:00:49]} 28. Kb1 {[%emt 0:01:13]} Bd8 {[%emt 0:00:51]} 29. Bb3 {[%emt 0:02:28]} Bc7 {[%emt 0:01:03]} 30. Bc4 {[%emt 0:01:59]} h6 {[%emt 0:00:19]} 31. Bb3 {[%emt 0:00:28]} Rgd8 {[%emt 0:02:16]} 32. Bh4 {[%emt 0:01:19]} Rg8 {[%emt 0:05:04]} 33. Bg3 {[%emt 0:00:56]} Ne7 {[%emt 0:00:11]} 34. Bc2 {[%emt 0:01:39]} Rf8 {[%emt 0:02:10]} 35. Bd3 {[%emt 0:03:59]} Nd5 {[%emt 0:00:32]} 36. Kc2 {[%emt 0:10:55]} Nf6 {[%emt 0:00:29]} 37. Rg1 {[%emt 0:01:43]} Nh5 {[%emt 0:00:29]} 38. Rde1 {[%emt 0:01:00]} Bd6 {[%emt 0:04:45]} 39. Bc4 {[%emt 0:03:45]} Kc7 {[%emt 0:02:47]} 40. Re2 {[%emt 0:03:43]} Rfd8 {[%emt 0:03:16]} 41. Bh4 {[%emt 0:04:28]} g5 {[%emt 0:01:07]} 42. Bg3 {[%emt 0:00:10]} Nf4 {[%emt 0:08:07]} 43. Bxf4 {[%emt 0:00:41]} Bxf4 {[%emt 0:00:05]} 44. Rd1 {[%emt 0:03:44]} e5 {[%emt 0:01:43]} 45. Rd3 {[%emt 0:02:05]} exd4 {[%emt 0:00:47]} 46. Rxd4 {[%emt 0:02:50]} Rxd4 {[%emt 0:00:13]} 47. cxd4 {[%emt 0:00:01]} Rxd4 {[%emt 0:00:10]} 48. Bxf7 {[%emt 0:00:06]} Rxa4 {[%emt 0:01:29]} 49. Re7+ {[%emt 0:00:13]} Kd8 {[%emt 0:02:01]} 50. Re6 {[%emt 0:01:04]} Rc4+ {[%emt 0:01:20]} 51. Kb1 {[%emt 0:01:29]} Rc1+ {[%emt 0:00:39]} 52. Ka2 {[%emt 0:00:05]} Rc2 {[%emt 0:03:10]} 53. Kb1 {[%emt 0:01:10]} Rc1+ {[%emt 0:01:48]} 54. Ka2 {[%emt 0:00:03]} Kc7 {[%emt 0:02:03]} 55. Re7+ {[%emt 0:00:42]} Kd6 {[%emt 0:00:07]} 56. Re6+ {[%emt 0:00:05]} Kc5 {[%emt 0:01:27]} 57. Rxh6 {[%emt 0:00:35]} b5 {[%emt 0:01:40]} 58. Re6 {[%emt 0:05:12]} a4 {[%emt 0:00:25]} 59. Re4 {[%emt 0:01:14]} Rc2 {[%emt 0:03:39]} 60. h4 {[%emt 0:00:40]} Rxf2 {[%emt 0:00:25]} 61. hxg5 {[%emt 0:01:39]} Bc1 {[%emt 0:00:06]} 62. Re5+ {[%emt 0:00:13]} Kb6 {[%emt 0:00:53]} 63. Kb1 {[%emt 0:00:21]} Bxb2 {[%emt 0:00:08]} 64. Re6 {[%emt 0:00:09]} Bd4 {[%emt 0:00:54]} 65. g6 {[%emt 0:05:47]} a3 {[%emt 0:00:47]} 66. Rd6 {[%emt 0:00:58]} Rb2+ {[%emt 0:00:41]} 67. Ka1 {[%emt 0:03:56]} Bg7 {[%emt 0:00:20]} 68. Bd5 {[%emt 0:01:00]} Rd2+ {[%emt 0:00:12]} 69. Kb1 {[%emt 0:00:05]} Rxd5 {[%emt 0:00:26]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Predke, Alexandr"]
[Black "Vignesh N R"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2620"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,67,22,34,10,22,16,25,15,19,7,22,22,16,18,22,0,12,1,4,7,15,15,15,10,16,15,17,10,4,5,12,12,12,0,0,0,0,0,3,4,0,0,0,0,11,8,8,0,0,0,8,0]} 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. Re1 Nbd7 11. e4 e5 12. d3 Be7 13. Nh4 O-O 14. Nf5 Re8 15. f4 Bf8 {1-0 (57) Shimanov,A (2620)-Motylev,A (2661) Saint Louis 2018}) 8. Nc3 Bd6 9. O-O O-O {LiveBook: 5 Publish game on website} 10. Qc2 $146 ({You set blue moves yourself with the critical opening position annotation.:} 10. d3 h6 11. e4 Be6 12. d4 Nbd7 13. Qc2 Qc7 14. h3 Bc4 15. Rd1 {1-0 (30) Berczes,D (2476)-Macieja,B (2543) Dallas 2016}) 10... Bxf3 11. Bxf3 Nbd7 12. d3 Qe7 {The position is equal.} 13. Bd2 h6 14. Bg2 Rfe8 15. Rac1 a5 16. a3 Nc5 17. Na4 Nxa4 18. Qxa4 e4 19. dxe4 Nxe4 20. Be3 Bc5 21. Rc4 {[%cal Rc4e4]} b5 22. Rxe4 bxa4 23. Rxe7 {[%mdl 64] [#] NOTEXT-4836} Bxe7 24. Bxc6 Bf6 25. Bxa8 Rxa8 $11 {[%mdl 4096] General book An&V&L-An&V&L} 26. Rb1 Rb8 27. Kf1 Rb3 28. Bc1 Be7 29. Ra1 f5 30. Ke1 Bf6 31. Rb1 Be7 32. Ra1 Bf6 33. Rb1 Be7 34. Ra1 {NOTEXT-4805: Tournament = 53%, Annotator = 63%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Popov, Ivan"]
[Black "Aleksandrov, Aleksej"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2588"]
[BlackElo "2582"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,-8,-6,18,0,28,21,18,-26,0,0,-11,0,0,-10,32,29,34,39,32,26,26,26,18,17,21,0,21,27,23,19,25,27,33,0,10,0,0,0,0,0,0,0,9,10,9,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 {[%cal Bg8f6,Bf6d5,Bd5b4][%mdl 32]} 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 Bb7 {C45: Scotch Game} 9. Bd2 $146 ({You set blue moves yourself with the critical opening position annotation.:} 9. c4 Nb6 10. Rh3 Qe6 11. f4 O-O-O 12. a4 d5 13. a5 Nxc4 14. b3 Bb4+ 15. Kf2 Nxa5 16. Bd2 {½-½ (73) Nakamura,H (2781)-Carlsen,M (2837) London 2017}) 9... Nb4 10. Na3 Qe6 11. Rh3 Be7 12. c3 Nd5 13. Nc2 {[#] Hoping for &Wd4.} c5 14. c4 Nb6 15. O-O-O O-O-O 16. b3 Rhe8 17. Bc3 d5 18. exd6 $1 Bxd6 19. Qxe6+ Rxe6 20. Kb2 Be5 21. Rhd3 Rxd3 22. Bxd3 {[#] Black must now prevent &Lf5.} Bxc3+ 23. Kxc3 {And now &Lf5 would win.} g6 24. Ne3 Nd7 {The position is equal.} 25. h5 Nf6 26. hxg6 hxg6 27. Rh1 Kd7 28. Rh8 Ne4+ 29. Bxe4 $1 Bxe4 30. Rf8 Ke7 31. Rc8 {NOTEXT-4805: Tournament = 43%, Annotator = 67%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Karthik Venkataraman"]
[Black "Rajesh, V A V"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "2515"]
[BlackElo "2410"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,51,72,63,62,64,62,68,70,87,72,76,72,105,99,127,118,144,137,180,181,234,220,225,223,274,187,199,205,265,260,527,533,566,562,561,493,1365,1325,1172,752,683,400]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 d6 (4... e6 5. d4 d5 6. a3 dxc4 7. Bxc4 a6 8. O-O b5 9. Ba2 Bb7 10. Qe2 Qc7 11. Bd2 Rd8 12. dxc5 Bxc5 13. Rac1 Bd6 14. Bb1 Qb8 15. Ne4 Nxe4 16. Bxe4 Ne7 17. Bxb7 Qxb7 18. Ba5 {½-½ (67) Gelfand,B (2673)-Svidler,P (2737) St Petersburg 2018}) 5. d4 Bg4 6. Be2 {[%cal Bf1e2,Be2f3,Bf3d5][%mdl 32] A34: Symmetrical English: 2 Nc3, lines with ...d5} e6 {LiveBook: 3 Games} 7. h3 Bh5 8. d5 {White is slightly better.} Bxf3 $146 ({Predecessor:} 8... Nb8 9. e4 e5 10. Be3 Be7 11. Nd2 Bxe2 12. Qxe2 {0-1 (64) Stocek,J (2566)-Vojta,T (2350) Prague 2017}) 9. Bxf3 exd5 10. Nxd5 Nxd5 11. Bxd5 Qd7 12. b3 {[%cal Bb2b3,Bb3b4][%mdl 32]} O-O-O 13. Bb2 Kb8 14. a3 f6 15. O-O Be7 (15... h5 {was called for.} 16. Qf3 Be7) 16. Bc3 h5 17. b4 g5 18. Rb1 g4 19. h4 Rhf8 20. Rb2 f5 $2 {[#]} (20... Rc8 {was worth a try.} 21. bxc5 dxc5) 21. bxc5 $18 {White is clearly winning.} dxc5 22. Qa4 {Bxc6 is the strong threat.} Rc8 23. Rfb1 Bd8 {[#]} (23... Rc7 $142 24. Ba5 Rfc8 25. Bxc7+ Rxc7) 24. Be5+ $1 {[%mdl 512]} Ka8 (24... Nxe5 25. Rxb7+) 25. Rxb7 Qxb7 26. Bxc6 {Precision: White = 87%, Black = 29%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Deviatkin, Andrei"]
[Black "Paichadze, Luka"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2461"]
[BlackElo "2583"]
[Annotator "ChessBase"]
[PlyCount "112"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:13:12]} c6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:06]} d5 {[%emt 0:00:00]} 3. Qe2 {[%emt 0:00:34]} dxe4 {[%emt 0:04:29]} 4. Nxe4 {[%emt 0:00:16]} Nf6 {[%emt 0:00:12]} 5. Nf3 {[%emt 0:08:50]} Bf5 {[%emt 0:02:16]} 6. d3 {[%emt 0:00:11]} Na6 {[%emt 0:04:23]} 7. g3 {[%emt 0:03:17]} Qd5 {[%emt 0:02:42]} 8. Nc3 {[%emt 0:02:42]} Qd7 {[%emt 0:01:59]} 9. Bg2 {[%emt 0:04:50]} Bh3 {[%emt 0:07:14]} 10. Ne5 {[%emt 0:01:41]} Qe6 {[%emt 0:00:07]} 11. Bxh3 {[%emt 0:04:42]} Qxh3 {[%emt 0:00:07]} 12. Bf4 {[%emt 0:01:59]} Qe6 {[%emt 0:05:46]} 13. O-O {[%emt 0:08:24]} Nd7 {[%emt 0:07:09]} 14. Rfe1 {[%emt 0:08:10]} Nxe5 {[%emt 0:00:10]} 15. Qh5 {[%emt 0:00:54]} g6 {[%emt 0:18:57]} 16. Qxe5 {[%emt 0:01:08]} Qxe5 {[%emt 0:00:05]} 17. Bxe5 {[%emt 0:00:05]} Rg8 {[%emt 0:00:02]} 18. a3 {[%emt 0:10:24]} O-O-O {[%emt 0:01:02]} 19. Ne4 {[%emt 0:00:23]} Rd5 {[%emt 0:05:07]} 20. Bc3 {[%emt 0:07:05]} Nc5 {[%emt 0:03:06]} 21. a4 {[%emt 0:04:52]} Ne6 {[%emt 0:04:44]} 22. Rad1 {[%emt 0:04:20]} Bh6 {[%emt 0:01:52]} 23. h4 {[%emt 0:01:51]} Bg7 {[%emt 0:04:38]} 24. Bxg7 {[%emt 0:02:20]} Rxg7 {[%emt 0:00:10]} 25. c3 {[%emt 0:00:12]} h6 {[%emt 0:00:29]} 26. d4 {[%emt 0:01:39]} Rg8 {[%emt 0:02:18]} 27. Rd2 {[%emt 0:01:17]} Rgd8 {[%emt 0:00:31]} 28. Rde2 {[%emt 0:00:07]} b6 {[%emt 0:02:41]} 29. f3 {[%emt 0:01:59]} R8d7 {[%emt 0:03:05]} 30. Nf2 {[%emt 0:01:32]} c5 {[%emt 0:00:13]} 31. Ng4 {[%emt 0:01:26]} cxd4 {[%emt 0:00:26]} 32. Ne5 {[%emt 0:00:07]} Rc7 {[%emt 0:00:53]} 33. Nxf7 {[%emt 0:00:46]} dxc3 {[%emt 0:00:18]} 34. bxc3 {[%emt 0:00:10]} Nc5 {[%emt 0:00:09]} 35. Rxe7 {[%emt 0:01:03]} Nxa4 {[%emt 0:01:20]} 36. c4 {[%emt 0:01:20]} Rxe7 {[%emt 0:03:26]} 37. Rxe7 {[%emt 0:00:03]} Rd1+ {[%emt 0:03:07]} 38. Kf2 {[%emt 0:00:14]} a5 {[%emt 0:00:07]} 39. Ne5 {[%emt 0:02:04]} Nb2 {[%emt 0:05:08]} 40. Re6 {[%emt 0:01:08]} Kb7 {[%emt 0:00:34]} 41. Rxg6 {[%emt 0:01:22]} a4 {[%emt 0:00:34]} 42. Rg7+ {[%emt 0:00:06]} Ka6 {[%emt 0:00:44]} 43. Rg8 {[%emt 0:00:53]} Rc1 {[%emt 0:00:43]} 44. g4 {[%emt 0:01:06]} Nxc4 {[%emt 0:00:18]} 45. Nxc4 {[%emt 0:00:46]} Rxc4 {[%emt 0:00:03]} 46. g5 {[%emt 0:00:16]} hxg5 {[%emt 0:00:06]} 47. hxg5 {[%emt 0:00:03]} b5 {[%emt 0:04:26]} 48. g6 {[%emt 0:00:39]} Rc7 {[%emt 0:00:06]} 49. f4 {[%emt 0:00:49]} a3 {[%emt 0:05:22]} 50. Ra8+ {[%emt 0:00:35]} Ra7 {[%emt 0:00:04]} 51. Rxa7+ {[%emt 0:00:51]} Kxa7 {[%emt 0:00:03]} 52. g7 {[%emt 0:00:05]} a2 {[%emt 0:00:03]} 53. g8=Q {[%emt 0:00:06]} a1=Q {[%emt 0:00:05]} 54. Qf7+ {[%emt 0:00:56]} Kb6 {[%emt 0:00:07]} 55. Qe6+ {[%emt 0:00:43]} Kc5 {[%emt 0:00:29]} 56. Qe7+ {[%emt 0:00:39]} Kc6 {[%emt 0:00:19]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Vignesh N R"]
[Black "Neelotpal, Das"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2461"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,45,10,10,10,10,10,20,12,26,31,16,14,24,14,19,143,142,245,256,248,241,318,197,223,91,86,0,214,0,71,0,205,-781]} 1. e4 c5 2. Nc3 {[%cal Bb1c3,Bc3b5,Bb5a3][%mdl 32]} Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. O-O Nxb5 7. Nxb5 d5 8. e5 d4 {B23: Closed Sicilian: Lines without g3} 9. c3 {[%cal Rc3d4]} a6 (9... Bd7 10. Qe2 a6 11. Na3 dxc3 12. dxc3 Nh6 13. Rd1 Qc7 14. Nc4 O-O 15. Rxd7 Qxd7 16. Nb6 {½-½ (48) Dimitrov,R (2465)-Spasov,V (2553) Pleven 2015}) 10. Na3 dxc3 {The position is equal.} 11. dxc3 Qc7 12. Be3 $146 ({Predecessor:} 12. c4 Nh6 13. b3 O-O 14. Bb2 Nf5 15. Qe1 Rd8 16. Nc2 {½-½ (41) Migala,A (2063)-Dukaczewski,P (2251) Warsaw 2013}) 12... b6 13. b4 $36 {[%cal Bb2b4,Bb4c5,Bc5b6,Bb6b7][%mdl 2080] White is more active.} Nh6 14. bxc5 Ng4 (14... Nf5 $11 {remains equal.} 15. Bf2 (15. cxb6 Qxc3 16. Bf2 Qxa3 $11) 15... bxc5) 15. cxb6 $16 Qxc3 (15... Nxe3 $16 16. bxc7 Nxd1) 16. Qa4+ $18 Bd7 17. Bd4 Qxa1 18. b7 {[%cal Rb7a8]} Rb8 19. Qb3 (19. Bxa1 $2 {is the wrong capture.} Bxa4 20. h3 Ne3 $19) (19. Qc2 $1 $18 {is the precise move to win.} Qxf1+ 20. Kxf1 Rxb7 21. h3) 19... Be6 $16 20. Qa4+ (20. Bxa1 $2 Bxb3 21. axb3 Rxb7 $19) (20. Nc4 $1 $16 Qxf1+ 21. Kxf1) 20... Bd7 $18 {[#]} 21. Qb3 (21. Bxa1 $2 {loses.} Bxa4 22. h3 Ne3 $19) (21. Qc2 $1 $18 {has better winning chances.} Qxf1+ 22. Kxf1 Rxb7 23. h3) 21... Be6 $16 {[#]} 22. Qa4+ (22. Bxa1 $2 Bxb3 23. axb3 Rxb7 $17) (22. Nc4 $1 $16 Qxf1+ 23. Kxf1) 22... Bd7 $18 23. e6 $4 {[%mdl 40960] An unexpected result.} (23. Bxa1 $2 {perishes.} Bxa4 24. h3 Ne3 $19) (23. Qc2 $18 Qxf1+ 24. Kxf1 Rxb7 25. h3) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Khusenkhojaev, Muhammad"]
[Black "Sahoo, Utkal Ranjan"]
[Result "1/2-1/2"]
[ECO "D56"]
[WhiteElo "2455"]
[BlackElo "2388"]
[Annotator "RC"]
[PlyCount "120"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:04:17]} d5 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:06]} e6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:10]} 4. Bg5 {[%emt 0:00:12]} Be7 {[%emt 0:00:28]} 5. e3 {[%emt 0:00:11]} O-O {[%emt 0:00:59]} 6. Nf3 {[%emt 0:00:16]} h6 {[%emt 0:00:27]} 7. Bh4 {[%emt 0:00:07]} Ne4 {[%emt 0:00:57]} 8. Bxe7 {[%emt 0:00:13]} Qxe7 {[%emt 0:00:02]} 9. Rc1 {[%emt 0:00:12]} Nxc3 {[%emt 0:03:30]} 10. Rxc3 {[%emt 0:00:18]} c6 {[%emt 0:00:14]} 11. Be2 {[%emt 0:01:03]} Nd7 {[%emt 0:00:17]} 12. O-O {[%emt 0:00:13]} dxc4 {[%emt 0:00:12]} 13. Bxc4 {[%emt 0:00:06]} b6 {[%emt 0:00:12]} 14. Qe2 {[%emt 0:05:39]} c5 {[%emt 0:03:47]} 15. Rfc1 {[%emt 0:01:44]} cxd4 {[%emt 0:23:32]} 16. exd4 {[%emt 0:00:42]} Qd6 {[%emt 0:05:54]} 17. Ba6 {[%emt 0:06:49]} Bxa6 {[%emt 0:00:10]} 18. Qxa6 {[%emt 0:00:06]} Nf6 {[%emt 0:03:20]} 19. a3 {[%emt 0:09:25]} Qf4 {[%emt 0:01:46]} 20. h3 {[%emt 0:09:53]} Rfd8 {[%emt 0:23:09]} 21. b4 {[%emt 0:05:01]} Nd5 22. Rc8 Raxc8 {[%emt 0:08:06]} 23. Rxc8 {[%emt 0:00:39]} Rxc8 {[%emt 0:00:00]} 24. Qxc8+ Kh7 25. Qc2+ {[%emt 0:17:04]} g6 {[%emt 0:01:16]} 26. Kf1 {[%emt 0:05:02]} Kg7 {[%emt 0:00:30]} 27. Ke2 {[%emt 0:00:16]} a5 {[%emt 0:01:15]} 28. bxa5 {[%emt 0:01:36]} bxa5 {[%emt 0:00:02]} 29. g3 {[%emt 0:01:12]} Qd6 {[%emt 0:00:46]} 30. Qd3 {[%emt 0:00:39]} Ne7 {[%emt 0:04:07]} 31. Qe3 {[%emt 0:06:36]} Nc6 {[%emt 0:02:15]} 32. Qe4 {[%emt 0:01:53]} Kf8 {[%emt 0:06:50]} 33. a4 {[%emt 0:01:46]} Kg7 {[%emt 0:01:09]} 34. h4 {[%emt 0:02:22]} h5 {[%emt 0:00:19]} 35. Kf1 {[%emt 0:01:01]} Kf8 {[%emt 0:01:46]} 36. Ne5 {[%emt 0:03:27]} Nxd4 {[%emt 0:04:43]} 37. Qa8+ {[%emt 0:00:20]} Kg7 {[%emt 0:00:52]} 38. Qxa5 {[%emt 0:00:05]} Qb8 {[%emt 0:03:23]} 39. Qc5 {[%emt 0:07:15]} Qb1+ {[%emt 0:00:15]} 40. Kg2 {[%emt 0:00:04]} Qe4+ {[%emt 0:00:09]} 41. Kh2 {[%emt 0:02:18]} Kg8 {[%emt 0:01:16]} 42. Qc8+ {[%emt 0:00:24]} Kh7 {[%emt 0:00:34]} 43. Nd7 {[%emt 0:04:03]} Nf3+ {[%emt 0:00:57]} 44. Kh3 {[%emt 0:00:06]} Ng1+ {[%emt 0:00:42]} 45. Kh2 {[%emt 0:00:05]} Nf3+ {[%emt 0:00:04]} 46. Kh3 {[%emt 0:00:02]} Qg4+ {[%emt 0:00:50]} 47. Kg2 {[%emt 0:00:00]} Nxh4+ {[%emt 0:00:16]} 48. Kh2 {[%emt 0:00:05]} Nf3+ {[%emt 0:00:53]} 49. Kg2 {[%emt 0:00:01]} Nh4+ {[%emt 0:00:58]} 50. Kh2 {[%emt 0:00:01]} Nf3+ {[%emt 0:00:34]} 51. Kg2 {[%emt 0:00:01]} Qf5 {[%emt 0:01:02]} 52. Qc3 {[%emt 0:02:20]} Ne1+ {[%emt 0:00:33]} 53. Qxe1 {[%emt 0:02:16]} Qd5+ {[%emt 0:00:01]} 54. Kg1 {[%emt 0:00:17]} Qxd7 {[%emt 0:00:01]} 55. a5 {[%emt 0:00:00]} Qb5 {[%emt 0:00:30]} 56. Qa1 {[%emt 0:00:40]} Qa6 {[%emt 0:00:16]} 57. Qa4 {[%emt 0:00:49]} g5 {[%emt 0:01:25]} 58. Qb4 {[%emt 0:01:34]} Qe2 {[%emt 0:00:26]} 59. Qb7 {[%emt 0:00:13]} Qe1+ {[%emt 0:00:20]} 60. Kg2 {[%emt 0:00:05]} Qxa5 {[%emt 0:00:19]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Nguyen, Van Huy"]
[Black "Rathnakaran, K.."]
[Result "1-0"]
[ECO "A43"]
[WhiteElo "2450"]
[BlackElo "2373"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,103,76,68,55,89,87,106,101,106,95,99,94,104,99,106,87,96,72,71,76,60,60,67,73,125,125,131,91,133,125,140,136,155,162,153,132,191,191,191,189,188,185,216,204,359,352,377,358,354,362,364,386,518,335,448,420,454,472,561,538,531,520,476,350,343,308,312,300,383,356,364,325,536,501,641,652,884,841,1374,892,891,827,1176,758,747,705,1758,1484,6191,6087,2850,2720,29988,29989,29985,29968]} 1. d4 c5 2. d5 d6 3. Nc3 (3. e4 Nf6 4. Nc3 g6 5. Bb5+ Bd7 6. a4 Bxb5 7. axb5 Bg7 8. Nf3 Nbd7 9. O-O O-O 10. h3 Ne8 11. Qe2 Nc7 12. Bf4 Nb6 13. Rfd1 Qd7 14. e5 f6 15. exd6 exd6 16. Ra5 Rfe8 17. Qd3 f5 18. Rda1 {½-½ (40) Navara,D (2725)-Martinovic,S (2550) Tallinn 2016}) 3... a6 4. a4 g6 5. e4 Bg7 {LiveBook: 7 Games} 6. Be2 {A43: Schmid Benoni} h5 $146 ({Predecessor:} 6... Nf6 7. Nf3 Bg4 8. Nd2 Bxe2 9. Qxe2 O-O 10. O-O Nbd7 11. Nc4 b5 12. axb5 axb5 13. Rxa8 Qxa8 14. Nxb5 Rb8 15. Nca3 Ne8 16. c4 Qa4 17. Qd1 Qa5 18. Bd2 Qb6 19. Qc2 {1-0 (48) Szabo,K (2394)-Paschall,W (2394) Budapest 2004}) 7. Nf3 {[%cal Bg1f3,Bf3d2,Bd2c4][%mdl 32]} Bg4 8. Nd2 {White is better.} Bxe2 9. Qxe2 (9. Nxe2 Nd7 $14) 9... Nd7 10. O-O h4 11. h3 Ngf6 12. Nc4 Nh5 13. Bg5 {Strongly threatening Nxd6+!} Ne5 14. a5 Nxc4 15. Qxc4 Bf6 16. Bd2 b5 (16... Be5 $142) 17. axb6 $1 $16 Qxb6 18. b3 O-O 19. Ra4 Rfb8 20. Rfa1 a5 21. R1a2 Ra7 22. Nb1 {[%cal Bc3b1,Bb1a3,Ba3c4][%mdl 32]} Rba8 (22... Qa6 $16 {was necessary.} 23. Qxa6 Rxa6) 23. Na3 $18 Qb8 24. Qd3 Kh7 25. Nc4 Qh8 26. Nxa5 ({Resist} 26. Rxa5 Rxa5 27. Nxa5 (27. Rxa5 Qe8 $16) 27... Qb8) 26... e6 $2 {[#]} (26... Qb8 {is a better defense.} 27. c4 Qb6) 27. dxe6 fxe6 28. Nc4 Rxa4 29. Rxa4 Rxa4 30. bxa4 {[%cal Bb3a4,Ba4a5][%mdl 32]} Be7 {Now ...Qa1+ and Black clings on.} 31. Bc3 Qa8 32. a5 Nf4 33. Qf3 e5 34. Bd2 Qa6 35. Bxf4 exf4 36. Qb3 Bf6 37. Kf1 Bd4 38. Ke2 Kh6 39. c3 Bg7 40. Kd3 f3 $2 (40... Qa8 41. Qa4 d5) 41. gxf3 d5 42. exd5 Qc8 43. Ne3 Qxh3 44. Ke2 {[#] Threatens to win with Ng4+.} Qc8 45. Qa4 {[%cal Ra4h4]} Bxc3 46. Qxh4+ Kg7 47. Qe7+ Kh6 48. Qa7 Bd4 49. Ng4+ Kg5 50. a6 Qf5 51. Qe7+ Kf4 52. Qe4+ {Accuracy: White = 74%, Black = 38%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Lugovskoy, Maxim"]
[Black "Pantsulaia, Levan"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2445"]
[BlackElo "2597"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:05:40]} 2. Nf3 {[%emt 0:00:03]} e6 {[%emt 0:00:08]} 3. c3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:06]} 4. e5 {[%emt 0:00:10]} Nd5 {[%emt 0:00:06]} 5. d4 {[%emt 0:00:23]} cxd4 {[%emt 0:00:06]} 6. cxd4 {[%emt 0:00:03]} b6 {[%emt 0:00:08]} 7. Bc4 {[%emt 0:01:25]} Bb7 {[%emt 0:00:09]} 8. O-O {[%emt 0:00:51]} Qc8 {[%emt 0:00:05]} 9. b3 {[%emt 0:06:47]} Be7 {[%emt 0:04:17]} 10. Ba3 {[%emt 0:05:41]} Qd8 {[%emt 0:18:58]} 11. Bxe7 {[%emt 0:00:30]} Nxe7 {[%emt 0:05:38]} 12. Nc3 {[%emt 0:00:25]} O-O {[%emt 0:00:07]} 13. Rc1 {[%emt 0:02:28]} Nbc6 {[%emt 0:05:53]} 14. d5 {[%emt 0:04:18]} Nb4 {[%emt 0:01:42]} 15. dxe6 {[%emt 0:15:49]} fxe6 {[%emt 0:01:31]} 16. Qd6 {[%emt 0:10:37]} Bxf3 {[%emt 0:17:44]} 17. gxf3 {[%emt 0:02:00]} Nbc6 {[%emt 0:00:55]} 18. Rfd1 {[%emt 0:03:00]} Ng6 {[%emt 0:00:17]} 19. Qxd7 {[%emt 0:20:14]} Qg5+ {[%emt 0:00:11]} 20. Kh1 {[%emt 0:00:11]} Ncxe5 {[%emt 0:00:11]} 21. Qxe6+ {[%emt 0:01:31]} Kh8 {[%emt 0:00:05]} 22. Qh3 {[%emt 0:09:12]} Rxf3 {[%emt 0:04:30]} 23. Qg2 {[%emt 0:00:09]} Qxg2+ {[%emt 0:01:40]} 24. Kxg2 {[%emt 0:00:04]} Nf4+ {[%emt 0:00:06]} 25. Kf1 {[%emt 0:02:29]} Ng4 {[%emt 0:00:45]} 26. Rd2 {[%emt 0:01:57]} Rf8 {[%emt 0:08:56]} 27. Ne4 {[%emt 0:01:51]} Nxh2+ {[%emt 0:03:08]} 28. Kg1 {[%emt 0:00:31]} Rh3 {[%emt 0:00:27]} 29. Ng5 {[%emt 0:00:53]} g6 {[%emt 0:09:17]} 30. Nxh3 {[%emt 0:02:06]} Nf3+ {[%emt 0:00:10]} 31. Kh1 {[%emt 0:00:23]} Nxd2 {[%emt 0:00:06]} 32. Ng5 {[%emt 0:03:14]} Rf5 {[%emt 0:01:51]} 33. Rc2 {[%emt 0:02:41]} Nxc4 {[%emt 0:00:11]} 34. Rxc4 {[%emt 0:00:04]} Rxg5 {[%emt 0:00:08]} 35. Rxf4 {[%emt 0:00:04]} Rf5 {[%emt 0:00:13]} 36. Ra4 {[%emt 0:02:19]} Ra5 {[%emt 0:00:07]} 37. Rd4 {[%emt 0:00:08]} Rxa2 {[%emt 0:00:05]} 38. Kg2 {[%emt 0:00:02]} Kg7 {[%emt 0:00:14]} 39. Rd7+ {[%emt 0:00:07]} Kh6 {[%emt 0:00:06]} 40. b4 {[%emt 0:00:12]} g5 {[%emt 0:00:35]} 41. b5 {[%emt 0:00:05]} Kg6 {[%emt 0:00:12]} 42. Rd5 {[%emt 0:00:16]} h5 {[%emt 0:00:52]} 43. Kf3 {[%emt 0:01:03]} Ra3+ {[%emt 0:00:24]} 44. Kg2 {[%emt 0:00:19]} h4 {[%emt 0:00:18]} 45. f3 {[%emt 0:00:53]} Ra2+ {[%emt 0:00:11]} 46. Kf1 {[%emt 0:01:01]} h3 {[%emt 0:00:33]} 47. Kg1 {[%emt 0:00:03]} Ra3 {[%emt 0:05:09]} 48. Kf2 {[%emt 0:00:20]} h2 {[%emt 0:00:25]} 49. Kg2 {[%emt 0:00:04]} Rxf3 {[%emt 0:00:16]} 50. Kxh2 {[%emt 0:00:04]} Rf5 {[%emt 0:00:13]} 51. Rd7 {[%emt 0:00:14]} Rxb5 {[%emt 0:00:06]} 52. Rxa7 {[%emt 0:00:03]} Kf5 {[%emt 0:00:08]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Laxman, R.R."]
[Black "Ameir, Moheb"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2421"]
[BlackElo "2309"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,33,3,10,0,7,15,14,0,23,0,7,7,13,2,4,5,6,8,10,0,0,-4,-4,-11,-11,-10,-10,-9,-4,-8,0,0,0,-14,0,0,0,-29,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd3 Nbd7 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} 9. h3 Bd6 10. O-O dxc4 (10... Qe7 11. e4 dxe4 12. Bxe4 O-O 13. Bg5 Qd8 14. Re1 Qc7 15. Qf3 Bb4 {1-0 (38) Kramnik,V (2808)-Giri,A (2771) Leuven 2017}) 11. Bxc4 Nb6 12. Be2 {LiveBook: 4 Games} Qe7 13. a4 a5 $146 ({Predecessor:} 13... e5 14. Qb3 O-O 15. a5 Nbd5 16. Nxd5 exd4 17. Nxe7+ {1-0 (17) Gerbich,V (2438)-Bensiek,N (2348) ICCF email 2011}) 14. e4 {[#] Black must now prevent e5.} e5 15. d5 cxd5 16. Qb3 d4 17. Qxb6 {Strongly threatening Nd5.} dxc3 18. bxc3 O-O $1 19. Bg5 Bc5 20. Qb3 Qc7 21. Bxf6 gxf6 22. Bc4 Rad8 23. Rad1 Kg7 24. Rxd8 Rxd8 25. Bd5 b6 26. c4 Bd4 27. Rd1 Qc5 28. Rd2 Rd7 29. Re2 Rd8 30. Rd2 Rd7 31. Re2 {Precision: White = 44%, Black = 55%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Czebe, Attila"]
[Black "Tran, Tuan Minh"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2418"]
[BlackElo "2541"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:06:02]} 2. c4 {[%emt 0:02:13]} b6 {[%emt 0:00:16]} 3. g3 {[%emt 0:05:46]} Bb7 {[%emt 0:00:40]} 4. Bg2 {[%emt 0:00:05]} e6 {[%emt 0:00:43]} 5. O-O {[%emt 0:00:07]} Be7 {[%emt 0:00:05]} 6. d3 {[%emt 0:01:38]} d5 {[%emt 0:00:47]} 7. cxd5 {[%emt 0:00:19]} exd5 {[%emt 0:00:15]} 8. Nd4 {[%emt 0:03:18]} Qd7 {[%emt 0:02:53]} 9. e4 {[%emt 0:06:13]} dxe4 {[%emt 0:12:06]} 10. dxe4 {[%emt 0:01:28]} Bxe4 {[%emt 0:26:47]} 11. Bxe4 {[%emt 0:01:16]} Nxe4 {[%emt 0:00:06]} 12. Re1 {[%emt 0:00:42]} f5 {[%emt 0:05:33]} 13. Nc3 {[%emt 0:00:25]} O-O {[%emt 0:02:57]} 14. Nxe4 {[%emt 0:02:59]} fxe4 {[%emt 0:02:37]} 15. Rxe4 {[%emt 0:03:44]} Rf7 {[%emt 0:06:01]} 16. Bf4 {[%emt 0:31:51]} c5 {[%emt 0:05:36]} 17. Qf3 {[%emt 0:04:35]} Qb7 {[%emt 0:01:42]} 18. Re6 {[%emt 0:00:22]} Qxf3 {[%emt 0:05:33]} 19. Nxf3 {[%emt 0:00:05]} Nd7 {[%emt 0:00:56]} 20. Rd1 {[%emt 0:02:13]} Bf6 {[%emt 0:03:20]} 21. Red6 {[%emt 0:09:33]} Nf8 {[%emt 0:00:24]} 22. Ne5 {[%emt 0:00:30]} Rb7 {[%emt 0:03:28]} 23. b3 {[%emt 0:03:29]} Re8 {[%emt 0:00:13]} 24. Nc4 {[%emt 0:06:03]} Rbe7 {[%emt 0:00:24]} 25. Ne3 {[%emt 0:03:09]} Ng6 {[%emt 0:01:47]} 26. Nd5 {[%emt 0:03:41]} Nxf4 {[%emt 0:01:18]} 27. gxf4 {[%emt 0:01:34]} Re1+ {[%emt 0:05:23]} 28. Rxe1 {[%emt 0:00:01]} Rxe1+ {[%emt 0:00:07]} 29. Kg2 {[%emt 0:00:01]} Re2 {[%emt 0:00:05]} 30. Nxf6+ {[%emt 0:01:47]} gxf6 31. a4 {[%emt 0:00:09]} Rb2 {[%emt 0:05:14]} 32. Rd8+ {[%emt 0:00:16]} Kf7 {[%emt 0:00:05]} 33. Rd7+ {[%emt 0:00:28]} Kg6 {[%emt 0:00:47]} 34. Rxa7 {[%emt 0:02:51]} h5 {[%emt 0:00:44]} 35. a5 {[%emt 0:00:23]} Rxb3 36. Rb7 {[%emt 0:01:45]} b5 {[%emt 0:00:10]} 37. a6 {[%emt 0:00:04]} c4 {[%emt 0:01:04]} 38. a7 {[%emt 0:00:08]} Ra3 {[%emt 0:00:01]} 39. Rxb5 {[%emt 0:00:08]} Rxa7 {[%emt 0:00:02]} 40. Rc5 {[%emt 0:00:05]} Ra4 {[%emt 0:00:03]} 41. h4 {[%emt 0:00:09]} Rb4 42. Kf3 {[%emt 0:03:45]} Rb3+ {[%emt 0:00:46]} 43. Ke4 {[%emt 0:00:32]} Rh3 {[%emt 0:03:00]} 44. f5+ {[%emt 0:00:10]} Kh6 {[%emt 0:00:05]} 45. Rxc4 {[%emt 0:00:07]} Rxh4+ {[%emt 0:00:07]} 46. f4 {[%emt 0:00:02]} Rh1 {[%emt 0:00:27]} 47. Rc7 {[%emt 0:00:53]} Re1+ {[%emt 0:00:27]} 48. Kf3 {[%emt 0:00:05]} Rf1+ {[%emt 0:00:19]} 49. Kg3 {[%emt 0:00:50]} Rg1+ 50. Kf2 Rg7 {[%emt 0:00:32]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Girish, A. Koushik"]
[Black "Rozum, Ivan"]
[Result "0-1"]
[ECO "A54"]
[WhiteElo "2411"]
[BlackElo "2589"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,78,52,39,47,37,41,25,24,23,25,24,22,8,18,8,35,37,60,27,27,27,20,12,14,8,22,19,31,22,13,30,27,-14,-7,-14,0,0,0,0,0,0,-13,-22,-21,-46,-31,-51,-17,-51,-29,-25,-26,-25,-19,-81,-79,-72,-76,-684,-684,-670,-677,-665,-665,-650,-640]} 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 {[%cal Bg1f3,Bf3e1,Be1d3,Bd3e5][%mdl 32]} Nc6 5. d5 Ne7 6. e4 Ng6 7. Be2 {A54: Old Indian Defence with Nf3, but without e4} (7. g3 Be7 8. h4 h6 9. Be2 a5 10. h5 Nf8 11. Nh4 N8h7 12. Be3 O-O 13. Ng2 c6 14. f3 Bd7 15. a4 Qc8 16. Bf2 {½-½ (44) Moiseenko,A (2707)-Rapport,R (2704) Tromsoe 2014}) 7... Be7 8. O-O {LiveBook: 4 Games} h6 9. Ne1 $146 {White is slightly better.} ({Predecessor:} 9. b4 O-O 10. Ne1 Nf4 11. Bxf4 exf4 12. Nd3 g5 13. c5 Nd7 14. Bg4 Bf6 15. Rc1 Ne5 16. Nxe5 Bxe5 17. Bxc8 Rxc8 18. Nb5 dxc5 19. bxc5 c6 20. dxc6 Rxc6 21. Qd5 Qf6 22. Qb3 a6 23. Nc3 Bxc3 24. Rxc3 b6 {0-1 (39) Gara,T (2318)-Mester,G (2419) Hungary 2002}) 9... Nf4 10. Bxf4 exf4 11. Nd3 g5 $1 12. e5 dxe5 13. Nxe5 O-O 14. Re1 Nd7 15. Nd3 Bf6 16. Qc2 Ne5 17. Nxe5 Bxe5 18. c5 Qf6 19. Rad1 Bf5 20. Bd3 Bg4 21. f3 Bd7 22. Ne4 Qg7 23. c6 bxc6 24. dxc6 Be6 25. b3 Rfd8 26. Kh1 Bd4 27. Bc4 Bf5 28. Rd3 Bb6 29. Red1 Rxd3 30. Bxd3 Rd8 31. g4 $1 {[%cal Rg4f5]} fxg3 32. Nxg3 Bxd3 33. Rxd3 Re8 34. Rd7 (34. Kg2 $11) 34... Qf6 $36 {[%mdl 2048] Black is in control.} 35. Kg2 Re1 {Strongly threatening ...Rg1+.} 36. Ne2 $2 {[%mdl 8192] [#]} (36. Rd1 $17 Rxd1 37. Qxd1) 36... g4 $1 $19 {[%csl Gg4][%cal Rf6f3][%mdl 512] Black is clearly winning.} 37. Qe4 (37. fxg4 Qf1+) 37... gxf3+ 38. Qxf3 {[#]} Rxe2+ $1 {[%mdl 512]} 39. Qxe2 {Threatens to win with Qf3.} Qxc6+ {Precision: White = 55%, Black = 84%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Muthaiah AL"]
[Black "Maheswaran, P.."]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2406"]
[BlackElo "2207"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:39]} 2. Bg5 {[%emt 0:00:12]} g6 {[%emt 0:03:11]} 3. Bxf6 {[%emt 0:02:01]} exf6 {[%emt 0:00:09]} 4. e3 {[%emt 0:00:14]} d6 {[%emt 0:02:45]} 5. g3 {[%emt 0:00:12]} f5 {[%emt 0:04:43]} 6. Bg2 {[%emt 0:00:16]} Bg7 {[%emt 0:00:16]} 7. Ne2 {[%emt 0:01:32]} Nd7 {[%emt 0:00:56]} 8. c4 {[%emt 0:01:19]} Nf6 {[%emt 0:06:05]} 9. Nbc3 {[%emt 0:01:05]} c6 {[%emt 0:02:22]} 10. O-O {[%emt 0:03:33]} O-O {[%emt 0:00:21]} 11. b4 {[%emt 0:04:41]} Re8 {[%emt 0:06:42]} 12. b5 {[%emt 0:12:01]} Bd7 {[%emt 0:10:25]} 13. Rb1 {[%emt 0:03:33]} Qc7 {[%emt 0:04:02]} 14. Qd3 {[%emt 0:05:42]} Rab8 {[%emt 0:10:01]} 15. Rfc1 {[%emt 0:03:29]} h5 {[%emt 0:01:31]} 16. h4 {[%emt 0:01:36]} Bh6 {[%emt 0:00:50]} 17. Nf4 {[%emt 0:01:21]} Kg7 {[%emt 0:05:01]} 18. c5 {[%emt 0:10:25]} dxc5 {[%emt 0:19:40]} 19. dxc5 {[%emt 0:01:07]} Qe5 {[%emt 0:02:04]} 20. Qd4 {[%emt 0:09:36]} Qxd4 {[%emt 0:11:56]} 21. exd4 {[%emt 0:00:29]} Bxf4 {[%emt 0:00:40]} 22. gxf4 {[%emt 0:00:01]} Red8 {[%emt 0:05:10]} 23. a4 {[%emt 0:03:13]} Be8 {[%emt 0:01:05]} 24. Rd1 {[%emt 0:00:37]} Rbc8 {[%emt 0:00:47]} 25. a5 {[%emt 0:02:03]} Nd5 {[%emt 0:00:31]} 26. Bxd5 {[%emt 0:02:02]} cxd5 {[%emt 0:00:11]} 27. Re1 {[%emt 0:00:16]} Bd7 {[%emt 0:00:14]} 28. Re3 {[%emt 0:01:50]} Be6 {[%emt 0:00:15]} 29. Ra1 {[%emt 0:00:32]} Kf6 {[%emt 0:00:47]} 30. Kf1 {[%emt 0:02:03]} Rb8 {[%emt 0:00:14]} 31. Ke2 {[%emt 0:00:59]} Ke7 {[%emt 0:00:19]} 32. Kd2 {[%emt 0:00:13]} Kd7 {[%emt 0:00:09]} 33. Kc2 {[%emt 0:02:42]} Rdc8 {[%emt 0:00:37]} 34. Kb3 {[%emt 0:00:26]} Rxc5 {[%emt 0:00:25]} 35. dxc5 {[%emt 0:00:01]} d4+ {[%emt 0:00:11]} 36. Rxe6 {[%emt 0:00:06]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Padmini, Rout"]
[Black "Stupak, Kirill"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2365"]
[BlackElo "2542"]
[Annotator "ChessBase"]
[PlyCount "100"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. Nf3 {[%emt 0:02:17]} Nf6 {[%emt 0:01:24]} 2. g3 {[%emt 0:00:29]} d5 {[%emt 0:01:00]} 3. Bg2 {[%emt 0:00:13]} c5 {[%emt 0:00:15]} 4. O-O {[%emt 0:00:28]} g6 {[%emt 0:00:13]} 5. c4 {[%emt 0:04:48]} d4 {[%emt 0:00:12]} 6. b4 {[%emt 0:08:19]} cxb4 {[%emt 0:01:15]} 7. d3 {[%emt 0:01:02]} Nc6 {[%emt 0:01:01]} 8. a3 {[%emt 0:01:27]} bxa3 {[%emt 0:02:18]} 9. Bxa3 {[%emt 0:00:15]} Bg7 {[%emt 0:01:35]} 10. Nbd2 {[%emt 0:00:42]} O-O {[%emt 0:00:04]} 11. Qa4 {[%emt 0:04:09]} Qc7 {[%emt 0:01:59]} 12. Rfb1 {[%emt 0:01:11]} Rd8 {[%emt 0:10:52]} 13. Ra2 {[%emt 0:00:52]} Bd7 {[%emt 0:08:38]} 14. Rab2 {[%emt 0:08:11]} Rab8 {[%emt 0:06:07]} 15. Qc2 {[%emt 0:20:12]} h6 {[%emt 0:08:01]} 16. Nb3 {[%emt 0:02:15]} Bc8 {[%emt 0:00:08]} 17. Bc5 {[%emt 0:06:50]} e5 {[%emt 0:06:02]} 18. Nbd2 {[%emt 0:02:08]} b6 {[%emt 0:02:29]} 19. Ba3 {[%emt 0:00:09]} Bd7 {[%emt 0:01:12]} 20. Ne1 {[%emt 0:02:14]} a5 {[%emt 0:07:03]} 21. Qb3 {[%emt 0:04:05]} Be6 {[%emt 0:04:34]} 22. Qd1 {[%emt 0:08:55]} Na7 {[%emt 0:01:12]} 23. Nc2 {[%emt 0:02:11]} Ne8 {[%emt 0:04:52]} 24. Ne4 {[%emt 0:05:19]} Bf8 {[%emt 0:06:26]} 25. Qc1 {[%emt 0:03:05]} g5 {[%emt 0:13:20]} 26. Bxf8 {[%emt 0:05:31]} Kxf8 {[%emt 0:00:01]} 27. h4 {[%emt 0:02:43]} f5 {[%emt 0:00:50]} 28. Nd2 {[%emt 0:00:32]} g4 {[%emt 0:01:06]} 29. f3 {[%emt 0:00:25]} Nf6 {[%emt 0:02:35]} 30. Nb3 {[%emt 0:01:07]} Kg7 {[%emt 0:00:40]} 31. fxg4 {[%emt 0:00:43]} fxg4 {[%emt 0:00:42]} 32. Nxa5 {[%emt 0:00:59]} e4 {[%emt 0:00:10]} 33. Qf4 {[%emt 0:00:32]} Qxf4 {[%emt 0:04:57]} 34. gxf4 {[%emt 0:00:02]} exd3 {[%emt 0:00:30]} 35. exd3 {[%emt 0:00:06]} Nh5 {[%emt 0:00:12]} 36. Rxb6 {[%emt 0:01:37]} Rxb6 {[%emt 0:01:07]} 37. Rxb6 {[%emt 0:00:03]} Bc8 {[%emt 0:00:06]} 38. f5 {[%emt 0:01:33]} Nf6 {[%emt 0:01:03]} 39. Nb7 {[%emt 0:00:56]} Re8 {[%emt 0:02:10]} 40. Nxd4 {[%emt 0:00:20]} Re3 {[%emt 0:00:54]} 41. Nc5 {[%emt 0:00:07]} g3 {[%emt 0:00:16]} 42. Bf3 {[%emt 0:00:51]} Re5 {[%emt 0:00:35]} 43. Ne4 {[%emt 0:00:51]} Ne8 {[%emt 0:00:19]} 44. Kg2 {[%emt 0:00:25]} Kf8 {[%emt 0:00:41]} 45. Kxg3 {[%emt 0:00:26]} Ra5 {[%emt 0:00:23]} 46. Kf4 {[%emt 0:00:24]} Ra3 {[%emt 0:00:08]} 47. Nc5 {[%emt 0:00:17]} Ra5 {[%emt 0:00:09]} 48. Nce6+ {[%emt 0:00:19]} Ke7 {[%emt 0:00:09]} 49. Rb8 {[%emt 0:00:34]} Ra3 {[%emt 0:01:47]} 50. Ra8 {[%emt 0:00:29]} Nd6 {[%emt 0:00:12]} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Ritviz, Parab"]
[Black "Hegde, Ravi Gopal"]
[Result "1/2-1/2"]
[ECO "C72"]
[WhiteElo "2362"]
[BlackElo "2110"]
[Annotator "NA"]
[PlyCount "49"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:10:16]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:06]} a6 {[%emt 0:00:22]} 4. Ba4 {[%emt 0:00:07]} d6 {[%emt 0:00:39]} 5. O-O {[%emt 0:00:11]} g6 {[%emt 0:00:39]} 6. c3 {[%emt 0:00:30]} Bg7 {[%emt 0:00:11]} 7. d4 {[%emt 0:03:17]} Bd7 {[%emt 0:00:09]} 8. Re1 {[%emt 0:00:21]} Nge7 {[%emt 0:01:38]} 9. Be3 {[%emt 0:00:19]} O-O {[%emt 0:00:24]} 10. Nbd2 {[%emt 0:00:30]} Qe8 {[%emt 0:00:30]} 11. Bb3 {[%emt 0:02:04]} Kh8 {[%emt 0:03:57]} 12. h3 {[%emt 0:00:30]} f6 {[%emt 0:00:30]} 13. Nc4 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 14. a4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 15. dxe5 {[%emt 0:00:30]} dxe5 {[%emt 0:00:30]} 16. Bc5 {[%emt 0:00:30]} b6 {[%emt 0:00:30]} 17. Ba3 {[%emt 0:00:30]} Rd8 {[%emt 0:00:30]} 18. Qe2 {[%emt 0:00:30]} g4 {[%emt 0:00:30]} 19. Nh4 {[%emt 0:00:30]} Qh5 {[%emt 0:00:30]} 20. g3 {[%emt 0:00:30]} Qg5 {[%emt 0:00:30]} 21. Ne3 {[%emt 0:00:30]} gxh3 {[%emt 0:00:30]} 22. Kh2 {[%emt 0:00:30]} Bh6 {[%emt 0:00:30]} 23. Rad1 {[%emt 0:00:30]} Qg7 {[%emt 0:00:30]} 24. Nhf5 {[%emt 0:00:30]} Qg6 {[%emt 0:00:30]} 25. Nxh6 {[%emt 0:00:30]} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Babiy, Olga"]
[Black "Megaranto, Susanto"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2275"]
[BlackElo "2530"]
[Annotator "RC"]
[PlyCount "88"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 2. d4 {[%emt 0:00:00]} Bg7 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 4. f4 {[%emt 0:00:32]} d5 {[%emt 0:00:45]} 5. e5 {[%emt 0:00:15]} Nh6 {[%emt 0:00:23]} 6. Nf3 {[%emt 0:01:50]} O-O {[%emt 0:00:31]} 7. Be3 {[%emt 0:01:58]} Qb6 {[%emt 0:00:43]} 8. Na4 {[%emt 0:06:29]} Qa5+ {[%emt 0:04:08]} 9. c3 {[%emt 0:00:48]} f6 {[%emt 0:05:37]} 10. Be2 {[%emt 0:04:39]} Bg4 {[%emt 0:01:33]} 11. O-O {[%emt 0:07:42]} Nd7 {[%emt 0:02:02]} 12. b4 {[%emt 0:02:17]} Qc7 {[%emt 0:00:25]} 13. h3 {[%emt 0:13:06]} Nf5 {[%emt 0:10:32]} 14. Bf2 {[%emt 0:02:03]} Bxf3 {[%emt 0:00:14]} 15. Bxf3 {[%emt 0:00:02]} Bh6 {[%emt 0:03:13]} 16. g3 {[%emt 0:09:20]} fxe5 {[%emt 0:06:24]} 17. dxe5 {[%emt 0:09:10]} e6 {[%emt 0:09:53]} 18. h4 {[%emt 0:02:28]} b5 {[%emt 0:01:59]} 19. Nb2 {[%emt 0:01:29]} Nb6 {[%emt 0:06:34]} 20. Qe2 {[%emt 0:04:42]} a5 {[%emt 0:01:32]} 21. a3 {[%emt 0:02:21]} Rf7 {[%emt 0:04:52]} 22. a4 {[%emt 0:08:10]} Nc4 {[%emt 0:05:14]} 23. Nxc4 {[%emt 0:03:49]} bxc4 {[%emt 0:01:27]} 24. Rfb1 {[%emt 0:00:27]} axb4 {[%emt 0:01:13]} 25. Rxb4 {[%emt 0:00:01]} Bf8 {[%emt 0:00:45]} 26. Rb2 {[%emt 0:01:33]} Qa5 {[%emt 0:00:05]} 27. Qd2 {[%emt 0:00:36]} Bc5 {[%emt 0:00:22]} 28. Bxc5 {[%emt 0:00:55]} Qxc5+ {[%emt 0:00:10]} 29. Kh2 {[%emt 0:00:02]} Rfa7 {[%emt 0:02:00]} 30. g4 Nxh4 {[%emt 0:07:21]} 31. Bd1 {[%emt 0:03:04]} g5 {[%emt 0:03:17]} 32. f5 {[%emt 0:00:44]} h6 {[%emt 0:02:18]} 33. Rab1 {[%emt 0:07:49]} exf5 {[%emt 0:01:28]} 34. gxf5 {[%emt 0:00:04]} Nxf5 {[%emt 0:00:41]} 35. Bg4 {[%emt 0:00:31]} Qe3 {[%emt 0:01:57]} 36. Qxe3 {[%emt 0:04:31]} Nxe3 {[%emt 0:00:05]} 37. Be6+ {[%emt 0:00:02]} Kg7 {[%emt 0:04:20]} 38. Rb7+ {[%emt 0:00:39]} Kg6 {[%emt 0:00:39]} 39. Rxa7 {[%emt 0:00:53]} Rxa7 {[%emt 0:00:01]} 40. Rb6 {[%emt 0:00:04]} g4 {[%emt 0:04:43]} 41. Rxc6 {[%emt 0:01:48]} Kg5 {[%emt 0:00:05]} 42. Rd6 {[%emt 0:03:28]} Rxa4 {[%emt 0:01:27]} 43. Bxd5 {[%emt 0:00:02]} Ra2+ {[%emt 0:00:06]} 44. Kg1 {[%emt 0:00:29]} g3 {[%emt 0:00:07]} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Gajwa Ankit"]
[Black "Gajek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2263"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,82,17,22,27,24,20,18,21,18,27,31,22,6,0,0,0,0,0,0,0,0,0,0,0,0,4,7,18,7,8,-8,-1,-12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-15,-8,-8,-8,-8,-5,-7,-8,-12,-12,-12,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Bd3 c5 7. O-O Nxe4 8. Bxe4 Nf6 9. Bg5 cxd4 {C10: French with 3 Nc3: Unusual Black 3rd moves and 3...dxe4} 10. Nxd4 Be7 11. Bf3 O-O 12. Qd3 Qb6 13. Rad1 Rd8 {[#] Threatens to win with ...Bc5.} 14. Qb3 {The position is equal.} e5 15. Rfe1 Rxd4 $146 16. Qxb6 axb6 17. Rxd4 exd4 18. Rxe7 {[#] Black must now prevent Bxf6.} Rxa2 {( -> ...Ra1+)} 19. h3 {Bxf6 is the strong threat.} Kf8 $1 {[%cal Rf8e7]} 20. Rc7 Bf5 21. g4 Be6 22. Bxf6 gxf6 $11 {[%mdl 4096] Endgame KRB-KRB} 23. b3 f5 24. Be2 Ra1+ 25. Kh2 Rc1 26. Bd3 fxg4 27. hxg4 Bxb3 28. Bxh7 Bd5 {And now ...Rh1+ would win.} 29. Kg3 Bc6 30. Kf4 Rf1 31. Ke5 Rxf2 32. Kxd4 Rf4+ 33. Ke5 Rxg4 {next ...Kg7 is good for Black.} 34. Kf6 Be8 35. Rxb7 Rh4 36. Bf5 Rh6+ 37. Ke5 Rc6 38. Rb8 Ke7 39. Rb7+ Kf8 40. Rb8 Ke7 41. Rb7+ Kf8 {Accuracy: White = 68%, Black = 83%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Saurabh Anand"]
[Black "Shyaamnikhil P"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2210"]
[BlackElo "2446"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,42,30,30,41,26,23,29,106,100,269,276,287,289,297,285,279,242,246,258,245,189,220,220,220,220,221,218,217,210,213,207,206,206,196,197,215,177,195,187,230,241,220,222,216,195,420,346,1197,249,248,-1234,692,552,529,512,536,439,504,501,488,470,435,340,390,0,401,381,946,479,489,488,488,488,478,466,682,519,682,651,688,493,453,280,424,0]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Qe2 Bb4 8. Bd2 O-O 9. a3 {B33: Sicilian: Pelikan and Sveshnikov Variations} (9. O-O-O d5 10. exd5 exd5 11. Be3 Qc7 12. Nb5 Qd8 13. f3 a6 14. N5d4 Re8 15. Qf2 Ne5 16. Bd2 Bd6 17. Kb1 a5 18. Bb5 a4 {½-½ (76) Amonatov,F (2620)-Korobov,A (2692) Doha 2016}) 9... Bxc3 10. Bxc3 e5 11. O-O-O $1 {White has an edge.} Rd8 (11... Re8 $11 {remains equal.}) 12. Rd6 $16 Ne8 $2 {[#]} (12... Qc7 $16 13. Rxf6 gxf6) 13. Ba5 $1 $18 {[%cal Ra5b6][%mdl 576] [#] Skewer} Qxa5 $146 (13... Nxa5 14. Rxb6) ({Predecessor:} 13... Nxd6 14. Bxb6 axb6 15. Qd3 Ne8 16. Qe3 Nf6 17. Qxb6 Nxe4 {0-1 (48) Mainka,R (2417)-Boensch,U (2552) Germany 2016}) 14. Nxa5 Nxd6 15. Qd3 Ne8 16. Qc3 Nd4 17. Nb3 Nc6 18. Bc4 Nf6 19. Bd5 d6 20. Bxc6 bxc6 21. f3 Be6 22. Na5 {aiming for Nb7.} ({Don't go for} 22. Qxc6 $2 Bxb3 23. Qb7 (23. cxb3 $2 Rdc8 $19) 23... Rdb8 $19) 22... c5 23. Rd1 Rd7 24. Nc4 Bxc4 25. Qxc4 Rb8 26. g4 Kf8 27. h3 {[%cal Bh2h3,Bh3h4][%mdl 32]} g5 28. h4 h6 29. Qc3 Ke7 30. b4 Rdb7 $2 (30... cxb4 31. axb4 gxh4) 31. Qd2 cxb4 $2 (31... Rb6 32. hxg5 hxg5 33. Qxg5 cxb4 34. axb4 Ra6) 32. axb4 $2 (32. Qxd6+ Ke8 33. Qxf6) 32... Ne8 33. Qxg5+ $4 {[%mdl 8192]} ({Don't take} 33. hxg5 Rxb4 34. Qe3 Rb1+ 35. Kd2 hxg5) (33. c3 $18) 33... f6 $4 {[%mdl 8192]} (33... hxg5 $19 34. h5 Rxb4) 34. Qe3 Rxb4 35. Qxa7+ R8b7 36. Qa2 Rc7 37. Qg8 Rbc4 38. Rd2 Rc3 39. Rh2 Kd8 40. Rd2 $2 ({White should play} 40. Rf2 $18) 40... R7c6 $2 {[%mdl 8192]} (40... Ke7 $1 $11 {and Black has nothing to worry.}) 41. g5 {[%cal Bg4g5,Bg5g6][%mdl 32]} Rxf3 $2 (41... fxg5 42. hxg5 hxg5) 42. g6 Rf1+ 43. Kb2 Rb6+ 44. Kc3 {[#] Threatens to win with Rg2.} Rc6+ 45. Kd3 Rf3+ 46. Ke2 Rg3 47. Kf1 Ra6 48. Rh2 Ra1+ 49. Ke2 Ra7 (49... Ra4 $142 50. Rf2 Rxe4+ 51. Kf1 Rxh4 52. Rxf6 Rf4+ 53. Rxf4 exf4) 50. Kf1 $2 {[%mdl 32768] Accuracy: White = 51%, Black = 40%. . Sensor Board Error (Ke4/e5)?} ({White should try} 50. h5 $18) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Samant Aditya S"]
[Black "Akash G"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2205"]
[BlackElo "2453"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 34,135,23,9,29,32,41,27,50,34,76,36,82,95,70,77,82,63,64,-13,80,0,139,138,128,35,42,42,42,42,37,39,36,38,41,-141,44,24,48,46,39,36,36,43,38,21,38,0,79,70,83,34,57,67,49,50,66,51,60,53,153,165,489,637,623,618,606,569,589,647,637,637,640,628,635,633,565,570,544,513,748,744,654,637,1512,1566,1958,1969,1675,1533,1930,1721,2186,1957,2117,2018,1462,1132,29972,29973,29970,29971,29981,29982]} 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 Nb8 {[%cal Bc6b8,Bb8d7,Bd7b6][%mdl 32]} 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. a4 Nb6 16. b3 bxa4 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} 17. bxa4 a5 18. Rb1 {LiveBook: 11 Games} (18. Bg5 Bg7 19. Qc1 Qe7 20. Bh6 Qf8 21. Bxg7 Qxg7 22. Bd3 Bc6 23. Qc2 Qf8 24. c4 {½-½ (55) Amonatov,F (2614)-Cruz,C (2561) Arica 2018}) 18... Qc8 {The position is equal.} 19. Bg5 Bg7 20. Qc1 Bc6 21. Bh6 Bh8 22. Ra1 Qd7 {[%cal Rc6a4]} 23. dxe5 dxe5 {[%cal Rc6a4]} 24. Rd1 Qc8 $146 25. Ng5 {And now Bb3 would win.} Bg7 26. Nf3 (26. Bxg7 $14 Kxg7 27. Bb3) 26... Bh8 (26... Qe6 $11) 27. Ng5 (27. Qe3 $16) 27... Rd8 (27... Bg7 $11 28. Bxg7 Kxg7) 28. Qa3 $16 Bg7 {[#]} 29. Bxg7 (29. Nxf7 $1 $16 Rxd1+ 30. Rxd1 Kxf7 31. Bxg7) 29... Kxg7 $14 30. Qe7 Rxd1+ 31. Rxd1 Qe8 32. Qxc7 Bxa4 33. Bxa4 Nxa4 34. Rb1 $2 {[#]} (34. Ra1 $14 {stays ahead.} Rc8 35. Qxa5) 34... h6 $2 (34... Nd7 $1 $17 35. Rb5 Qd8 36. Qxd8 Rxd8) 35. Nxf7 Qd7 36. Qxd7 Nxd7 37. Nd6 $1 Nac5 38. Nc4 a4 {next ...a3 is good for Black.} 39. Na3 Rc8 40. Rb4 Kf6 (40... Rc6 $11 {remains equal.}) 41. Nf1 Rb8 42. Nd2 Rxb4 43. cxb4 {[%mdl 4096] Endgame KNN-KNN} Nd3 44. b5 Nb6 45. Ndc4 Nxc4 $1 46. Nxc4 {KN-KN} Ke6 (46... Ke7 $1 $14) 47. Kf1 $16 Nb4 $2 (47... g5 {is tougher.} 48. g3 h5) 48. Ke2 $18 Nc2 {aiming for ...a3.} 49. Kd2 Nd4 50. b6 Nc6 51. b7 Nb8 52. Kc3 Na6 53. Kb2 g5 54. Ka3 Kd7 55. Nxe5+ Kc7 56. Nf7 Kxb7 57. Nxh6 Nc5 58. Nf7 Nxe4 59. f3 {[%cal Bf2f3,Bf3f4][%mdl 32]} Nf6 60. Nxg5 Kc6 61. g4 Kd5 62. f4 Kd4 63. Kxa4 Ke3 64. Ne6 Ke4 65. Kb5 Nd5 66. Kc5 {White mates.} Ne3 67. Kd6 Nd1 68. f5 {Precision: White = 67%, Black = 39%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Pranesh M"]
[Black "Erigaisi Arjun"]
[Result "1-0"]
[ECO "B91"]
[WhiteElo "2125"]
[BlackElo "2548"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,123,8,10,-22,-25,-25,-10,-18,0,0,0,0,-1,-29,-45,-47,-38,-70,-46,-52,-52,-46,-28,-32,-38,-51,-53,-67,-67,-64,-51,-63,-51,-79,-51,-64,-55,-114,66,60,74,0,0,0,9,7,11,0,0,0,0,0,243,250,423,370,439,449,450,446,443,408,435,214,275,132,133,103,110,0,276,279,213,-297,-297,-292,-297,-290,-275,-283,-240,-589,-1,-24,-10,-102,8,31,1340,1326,1474,1416,1311,1319,1452,1330,1175,1097,1163,1106,6690,6374,29984,29985,29981,29980,29981,29982,29982,29982]} 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. g3 e5 7. Nde2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 8. Bg5 Nbd7 {LiveBook: 21 Games. B91: Sicilian Najdorf: 6 g3} 9. a4 (9. Nd5 Be7 10. Nxe7 Qxe7 11. Nc3 h6 12. Nd5 Qd8 13. Bxf6 Nxf6 14. Nxf6+ Qxf6 15. Bg2 O-O 16. O-O {½-½ (24) Dragun,K (2599)-Xiong,J (2627) Varadero 2016}) 9... b4 10. Nd5 Bb7 {Black has an edge.} 11. Bg2 (11. c4 {feels hotter.} Rc8 12. b3 h6 13. Bxf6 Nxf6 14. Bh3) 11... Bxd5 (11... Be7 {seems wilder.} 12. Nxb4 Rb8 13. Nc3 Qa5 14. Nba2 Nxe4 15. Bxe4 Bxe4 16. O-O Bb7) 12. exd5 Be7 13. O-O O-O $146 ({Predecessor:} 13... Rc8 14. a5 Qc7 15. c3 Qb8 16. Qa4 bxc3 17. Nxc3 {½-½ (48) Jain,A (2012)-Muheim,S (2035) Uxbridge 2009}) 14. c4 a5 15. b3 Ng4 16. Bc1 f5 17. h3 Ngf6 18. Qc2 Nc5 19. Be3 Nfd7 20. Rae1 g6 21. Kh2 Bf6 22. Nc1 Rc8 23. Qd1 Rf7 24. f4 e4 25. Re2 Qf8 26. g4 (26. Ra2 $15) 26... h6 $2 (26... fxg4 $17 27. hxg4 Qh6+ 28. Kg1 Qh4) 27. gxf5 $1 $14 gxf5 28. Rg1 (28. h4 $1 $16) 28... Rg7 $11 {[#]} 29. h4 $1 {[%mdl 512] Threatens to win with Bh3.} h5 (29... Bxh4 30. Bh3) 30. Bh3 Rg4 $1 31. Bxg4 hxg4 32. Kg3 Qg7 33. h5 Kf7 $2 {[#]} (33... Kh7 $11 {and Black has nothing to worry.}) 34. h6 $1 $18 {[%cal Rh6g7]} Qxh6 $2 (34... Qh7 35. Rh2 Ke7) 35. Rh2 Qg6 36. Rgh1 Bg7 37. Rh5 Rg8 38. Ne2 Ke8 39. Bd4 (39. Nd4 $142 Bxd4 40. Bxd4) 39... e3 40. Bxg7 (40. Bxe3 $6 Nf6 $16) (40. Kg2 $1 $18 {and the rest is easy.}) 40... Qxg7 $16 41. Qd4 Nf6 42. Rh6 (42. Qxe3+ Kd8 $17) (42. Rxf5 $16 {And now Kg2 would win.} Qg6 43. Rxf6 Qxf6 44. Qxe3+ (44. Qxf6 Ne4+ 45. Kg2 Nxf6 $16) 44... Kf7 45. Rh7+ Rg7 46. Rh8) 42... Qe7 $2 {[%mdl 8192]} (42... Nfe4+ $11 {and Black stays safe.} 43. Kg2 Qxd4 44. Nxd4 Nd3 45. Re6+ (45. Nxf5 $2 Nxf4+ 46. Kf1 g3 $19) 45... Kf8 46. Rxe4 fxe4) 43. Kg2 $18 Rf8 44. Rh8 $4 {[%mdl 8192]} (44. Ng3 $1 $18) 44... Rxh8 $1 $19 (44... Nxb3 45. Qd3 $17) 45. Rxh8+ Kf7 46. Kg1 Nxb3 47. Qd3 Kg7 48. Rb8 $2 (48. Rh1 {is more resistant.} Nc5 49. Qxf5) 48... Qc7 $2 (48... Qa7 $19 49. Rb5 Nc1 $1 {[%mdl 512]}) 49. Rb5 $11 Nd2 50. Qxf5 ({Of course not} 50. Nd4 Nf3+ 51. Nxf3 gxf3 $17) 50... Nf3+ (50... Nde4 $17) 51. Kh1 Qa7 $2 {[%mdl 8192] [#]} (51... Qf7 $14) 52. Qc8 $1 $18 Kg6 53. f5+ Kg5 54. Rb7 Qxb7 55. Qxb7 Kxf5 {[#]} 56. c5 $1 dxc5 57. Qc8+ {[%mdl 64] Double Attack} Ke4 58. Qe6+ {[%mdl 64] Double Attack} Kd3 59. Nf4+ {White mates.} Kc2 60. Qxf6 b3 61. d6 b2 62. Qf5+ {Accuracy: White = 47%, Black = 39%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.24"]
[Round "9"]
[White "Karthik Rajaa"]
[Black "Manik, Mikulas"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1960"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,60,16,76,71,110,74,95,85,100,60,58,54,75,61,140,143,170,51,58,0,0,0,183,109,103,101,108,109,173,172,189,160,173,148,220,229,222,205,220,221,277,286,271]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. d4 {[%cal Bd2d4,Bd4d5][%mdl 32]} c6 7. Nc3 Nbd7 8. Qc2 e5 9. Rd1 Qe7 10. d5 {E67: King's Indian: Fianchetto: 6...Nbd7} (10. e4 a5 11. h3 exd4 12. Nxd4 Re8 13. Be3 a4 14. Re1 Nc5 15. Rad1 Bd7 16. f3 Qd8 17. Nde2 Bf8 18. Bxc5 dxc5 19. f4 Qc7 20. g4 Red8 {½-½ (60) Rozum,I (2573)-Ivanchuk,V (2729) Kocaeli 2017}) 10... c5 {LiveBook: 4 Games} (10... cxd5 $11 {remains equal.} 11. cxd5 Nc5) 11. e4 $16 a6 12. a3 $146 {White is better.} ({Predecessor:} 12. Rb1 Rb8 13. Ne1 b5 14. cxb5 axb5 15. b4 cxb4 16. Rxb4 Nc5 17. Rxb5 Rxb5 18. Nxb5 Ba6 19. a4 Rc8 20. Bg5 Ncxe4 21. Qxe4 {1-0 (21) McNab,C (2455)-Eckersley Waites,A (2266) England 2013}) 12... h6 13. b4 a5 14. bxc5 Nxc5 15. Be3 Nfd7 16. Rab1 f5 ({Better is} 16... b6 $14) 17. Nh4 Qf6 18. f3 (18. exf5 $18 gxf5 19. f3) 18... Rf7 $14 19. Na4 (19. Bf2 $14) 19... Nxa4 $11 20. Qxa4 Nc5 $2 {[#]} (20... Kh7 $11 {and Black has nothing to worry.}) 21. Bxc5 ({White should try} 21. Qe8+ $18 Rf8 22. Qxg6) 21... dxc5 $16 22. Qe8+ Kh7 23. Rb6 Bd7 (23... Qxb6 $16 24. Qxf7 Qf6) 24. Rxf6 $18 (24. Qxa8 $2 Qxb6 25. f4 Rf8 $19) 24... Bxe8 25. Rxf7 Bxf7 26. Rb1 $36 {[%mdl 2048] Black is under strong pressure.} fxe4 (26... Rb8 $16 27. Rb6 (27. exf5 g5 $16) 27... f4) 27. Rxb7 exf3 28. Bxf3 ({Resist} 28. Rxf7 $6 fxg2 29. Re7 (29. Kxg2 g5 $14) (29. Nxg2 Rb8 $16) 29... e4 $16) ({Don't do} 28. Nxf3 $6 Kg8) 28... Kg8 29. Be4 g5 30. Nf5 Bf8 {[%mdl 32768] Accuracy: White = 39%, Black = 31%. . An unexpected result.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Pantsulaia, Levan"]
[Black "Predke, Alexandr"]
[Result "1/2-1/2"]
[ECO "D18"]
[WhiteElo "2597"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,32,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Nbd7 9. Qb3 a5 10. Na2 Be7 11. Qxb7 Rb8 {The position is equal.} 12. Qa6 {D18: Slav Defence: 5 a4 Bf5 6 e3} ({But not} 12. Qxc6 $2 Rb6 $19) 12... Ra8 13. Qxc6 Rc8 {[#]} 14. Qa6 $146 Ra8 $1 {[%cal Ra8a6]} 15. Qc6 Rc8 16. Qa6 Ra8 $1 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Rozum, Ivan"]
[Black "Deviatkin, Andrei"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "2589"]
[BlackElo "2461"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,63,29,29,22,30,47,27,50,46,46,40,42,0,0,1,13,0,0,0,33,31,35,23,23,14,26,28,33,0,30,0,35,33,48,48,60,57,37,0,35,0,58,38,97,95,139,133,138,158,211,211,456,468]} 1. c4 g6 2. d4 Bg7 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O O-O 7. Qc2 c5 {A50: Queen's Fianchetto Defence (1 d4 Nf6 2 c4 b6)} 8. d5 b5 9. e4 d6 {White has an edge.} (9... bxc4 10. Rd1 d6 11. Na3 Nbd7 12. Nxc4 Ng4 13. Bd2 Ba6 14. Rab1 Nge5 15. Nfxe5 Nxe5 16. Nxe5 Bxe5 {½-½ (42) Mamedyarov,S (2799)-Artemiev,V (2691) Riadh 2017}) 10. cxb5 a6 $1 11. b6 Nbd7 12. a4 {next a5 is good for White.} a5 13. Rd1 $146 ({You set blue moves yourself with the critical opening position annotation.:} 13. Na3 Nxb6 14. Rd1 Nfd7 15. Nb5 {0-1 (50) Adrian,C (2193)-Theodorou,N (2450) Paleochora 2016}) 13... Qxb6 14. Na3 Ba6 15. Bf1 Ng4 16. Bxa6 Qxa6 17. Nb5 Qc8 18. Qe2 Nge5 19. Nxe5 Nxe5 20. f4 Nd7 21. Be3 Nf6 22. Bd2 Qh3 23. Bc3 Rfd8 24. Re1 h5 25. Qg2 (25. Rad1 {NOTEXT-191} Nd7 26. Bxg7 Kxg7 27. e5 Nb6 28. b3) 25... Qxg2+ $1 26. Kxg2 Ne8 (26... Nd7 $11) 27. Rad1 Rdc8 ({Black should play} 27... Bxc3 $14 28. bxc3 (28. Nxc3 Rd7 $15) 28... Nf6) 28. e5 $16 Nc7 {[#] ...&Wb5 would now be nice for Black.} 29. Na3 $1 (29. exd6 Nxb5 30. d7 (30. axb5 exd6 31. Ra1 Rcb8 $11) (30. dxe7 Bxc3 31. bxc3 Nd6 $17) 30... Rd8 $11) 29... Rd8 {[#]} 30. Nc4 $1 dxe5 (30... Rdb8 $16 31. f5 (31. Bxa5 Ne8 $16) (31. Nxa5 Bf8 $16) (31. exd6 exd6 32. Nxd6 Bd4 $16) 31... gxf5) 31. Bxa5 $18 Rdc8 $2 (31... Rxa5 32. Nxa5 Nxd5) 32. fxe5 {NOTEXT-4805: Tournament = 64%, Annotator = 33%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Popov, Ivan"]
[Black "Lugovskoy, Maxim"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2588"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,112,59,66,57,70,55,56,39,58,63,99,91,91,90,81,86,83,96,91,88,89,84,91,92,91,91,108,109,110,116,113,107,135,119,137,133,131,117,116,84,81,89,85,71,99,94,104,102,115,112,161,155,191,193,176,183,179,166,221,237,241,236,264,242,230,126,248,248,371,360,29984,29981,29981,29982,29982,29983,29977,2723,29978,29976,29974,29966,29996,29997,29997,29998,29999]} 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Qxf6 10. O-O Bd6 11. Nf3 h6 12. Be3 O-O 13. Rc1 Rd8 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 14. Ng3 Nf8 {LiveBook: 8 Publish game on website} 15. Ne5 $146 ({You set blue moves yourself with the critical opening position annotation.:} 15. Re1 Bd7 16. a3 Rac8 17. b4 a6 18. Qb3 Be8 19. Red1 Rc7 20. Qb2 Rdc8 21. Rc2 {½-½ (29) Jerez Perez,A (2406)-Ivanov,S (2565) Schwarzach 2015}) 15... Nxe5 {White is slightly better.} 16. dxe5 Qxe5 17. Re1 Bd7 18. Qg4 Qf6 19. Nh5 $1 {[%cal Rh5f6]} Qf7 20. Bxh6 $1 e5 21. Qxg7+ Qxg7 22. Bxg7 (22. Nxg7 e4 $17) 22... Be8 23. Be2 $1 Bxh5 24. Bxf8 $1 Kxf8 25. Bxh5 Rac8 26. Rcd1 e4 27. g3 Be7 28. Re2 Rc6 29. Kg2 Bf6 30. f3 d4 31. fxe4 d3 32. Red2 Rc2 33. Kf3 Rxb2 34. Rxb2 Bxb2 $16 {[%mdl 4096] General book An&V&L-An&V&L} 35. Rb1 Bc3 36. Ke3 d2 37. Bd1 Rd7 38. Rb5 a6 39. Rd5 Rc7 40. h4 Bb4 41. g4 {[%cal Bg3g4,Bg4g5][%mdl 32]} Rc1 42. Bf3 Ke7 (42... b6 $142 43. g5 Rc5) 43. g5 $18 Re1+ 44. Kf4 Bd6+ 45. e5 {[%cal Be4e5,Be5e6][%mdl 32]} Ba3 46. Bg4 (46. Kg3 $1 $18) 46... Bc1 {[#]} (46... Rf1+ $16 {was called for.} 47. Kg3 (47. Ke3 Bc1 $14) 47... Rg1+ 48. Kh3 (48. Kf4 Rf1+ 49. Kg3 Rg1+ 50. Kh3 Rh1+ 51. Kg3 Rg1+ $16) 48... Rh1+ 49. Kg2 (49. Kg3 Rg1+ 50. Kh3 Rh1+ 51. Kg3 Rg1+ $16) 49... Rxh4) 47. Kf5 $1 Rh1 (47... b5 $142 48. Kg6 Rf1 49. Rd7+ Kf8) 48. e6 {Black must now prevent &Vd7.} Rxh4 $2 (48... Re1 $18 49. Rd7+ Kf8) 49. Rd7+ Ke8 50. g6 Bb2 51. Rxd2 Bc3 52. Rc2 (52. Rd7 $142 Rh1 53. g7 Bxg7 54. Rxg7 b6 55. Kf6 Rh8 {[#]} 56. Bh5+ $1 {[%mdl 512]} Kd8 57. e7+ Kc8 58. Bg4+ Kb8 59. Rf7) 52... Bd4 53. Rc8+ {White mates.} Ke7 54. Rc7+ Kf8 55. e7+ Ke8 56. Ke6 {[%cal Rc7c8]} Rxg4 57. Rc8# {NOTEXT-4805: Tournament = 80%, Annotator = 40%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Paichadze, Luka"]
[Black "Padmini, Rout"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2583"]
[BlackElo "2365"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,56,-85,-95,-83,-62,-61,-57,-52,-44,-277,-53,-47,-56,-98,-96,-98,-24,-23,27,-6,12,22,22,22,63,50,52,65,745,662,29999]} 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 c5 5. Bg2 Nc6 6. Ngf3 g6 7. O-O Bg7 8. Re1 O-O 9. c3 a5 10. e5 {A08: King's Indian Attack} (10. a4 b6 11. exd5 exd5 12. Nb1 Bf5 13. Na3 Qd7 14. Nb5 Rfe8 15. Rxe8+ Rxe8 16. Bf4 Ra8 17. Ne5 Nxe5 18. Bxe5 {0-1 (34) Petrosian,T (2598)-Sychev,K (2537) St Petersburg 2018}) 10... Ng4 11. d4 cxd4 12. cxd4 f6 13. h3 Nxf2 14. Kxf2 fxe5 {LiveBook: 8 Games} 15. dxe5 {Black must now prevent Kg1.} Qb6+ 16. Re3 a4 $146 {Strongly threatening ...Nxe5.} ({Predecessor:} 16... Nxe5 17. Qb3 Qa7 {1-0 (50) Moussard,J (2423)-Dutreuil,R (2132) Pau 2015}) 17. Nf1 Nxe5 $1 {aiming for ...Bd7.} 18. Kg1 $2 ({Better is} 18. Rb1 $15) 18... Nc4 $2 (18... Nxf3+ $1 $19 19. Bxf3 a3) 19. Rb1 $15 Bd7 20. Kh1 Nxe3 21. Bxe3 {[#]} Qb4 (21... Qd6 $1 $17 22. Rc1 Rac8 23. Rxc8 Rxc8) 22. a3 $11 Qe7 23. Bd4 Bc6 24. Ne5 Rf5 25. Qe2 Raf8 {With the idea ...Bxe5.} 26. Nh2 {[%cal Bf1h2,Bh2g4,Bg4h6][%mdl 32]} Bxe5 27. Bxe5 Rf2 $2 {[%mdl 8192] [#]} (27... h5 $14) 28. Ng4 $1 $18 {[%cal Rg4h6][%mdl 512]} Rxe2 29. Nh6# {Accuracy: White = 64%, Black = 26%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Aleksandrov, Aleksej"]
[Black "Nguyen, Van Huy"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2582"]
[BlackElo "2450"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,97,9,-20,60,48,133,127,118,103,135,118,123,61,105,100,105,68,96,124,117,120,221,206,193,175,352,355,401,294,270,136,129,129,129,131,145,127,137,116,129,108,137,140,194,202,205,194,212,186,189,23,182,52,1081,817,1087,1080,1024,987,958,966,2003,1956,1852,1843,1690,1622,29971,6195,2927,2237,29989,29990]} 1. c4 e6 2. Nc3 d5 3. d4 Bb4 4. e3 Nf6 5. a3 Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. Bd3 b6 9. Ne2 c5 10. O-O Ba6 11. f3 Bxd3 12. Qxd3 Re8 13. Ng3 Nc6 14. Ra2 {[%cal Ba1a2,Ba2b2,Bb2e2][%mdl 32] LiveBook: 68 Games} c4 {E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3} (14... Qd7 $11) (14... Qd7 15. Re2 h5 16. Bb2 Rad8 17. Nf5 g6 18. Ng3 Re6 19. Rfe1 cxd4 20. cxd4 Ne7 21. e4 h4 22. Nf1 {0-1 (50) Hakobyan,A (2545)-Inarkiev,E (2693) St Petersburg 2018}) 15. Qb1 $14 Rb8 $146 (15... h5 $14) ({Predecessor:} 15... h5 16. Re2 Ne7 17. e4 h4 18. Nh1 Nh5 19. e5 Qd7 20. g4 hxg3 21. hxg3 {1-0 (33) Henrichs,T (2400)-Siebrecht,S (2438) Duisburg 2005}) 16. e4 $16 b5 {White is better.} 17. Bf4 Rb6 18. Rb2 a6 19. Re1 (19. Bg5 $1 $16) 19... Na5 20. Rbe2 Rbe6 21. Qc2 Nb3 22. Bg5 h6 23. Bxf6 $1 Rxf6 (23... Qxf6 $16 24. exd5 Rxe2 25. Rxe2 Rxe2 26. Qxe2 Kf8) 24. exd5 $18 {[%mdl 64] Discovered Attack} Rxe2 25. Rxe2 ({Less strong is} 25. Qxe2 Qxd5 26. Qe8+ Kh7 $14) 25... g6 $2 {[#]} (25... Rd6 26. Nf5 Rd7) 26. Re5 $1 Kg7 27. Ne4 Rb6 {intending ...f6.} 28. Nc5 ({White must play} 28. d6 $18) 28... Qd6 29. Nxb3 cxb3 30. Qxb3 $16 {[%mdl 4096] Endgame KQR-KQR} a5 31. Kf2 Rb8 32. h4 h5 33. f4 Rc8 34. g3 Rc4 (34... Qd7 $16) 35. a4 $18 Rxa4 36. Qxb5 Ra2+ 37. Re2 Ra1 38. c4 $2 (38. Qe8 $18 Qxd5 39. Qe5+ Qxe5 40. fxe5 (40. Rxe5 Rc1 $11)) 38... a4 $11 {[#]} 39. Qe8 $1 {[%cal Re8e5] Threatens to win with Qe5+.} a3 $2 {[%mdl 8192]} (39... Qb6 $14) 40. Qe5+ $18 Qxe5 41. fxe5 {KR-KR} Rb1 42. Ke3 Rb3+ 43. Ke4 f5+ 44. exf6+ Kxf6 45. c5 Rb2 46. Re3 Ra2 47. Rf3+ (47. d6 $142 Rf2 48. Rxa3 Rf1 49. Kd5 Rf5+ 50. Kc6 Kg7 51. d7 Rf8 52. Kc7) 47... Ke7 48. d6+ Ke8 49. Kd5 {Accuracy: White = 57%, Black = 38%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Deepan Chakkravarthy J."]
[Black "Samant Aditya S"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2543"]
[BlackElo "2205"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,64,-15,-26,-19,-24,-24,-17,-12,-21,0,-32,-29,-50,-19,-25,-18,-32,-14,-37,0,0,3,-13,0,-14,-6,-10,0,0,6,0,0,-12,70,68,93,84,106,100,95,72,92,0,106,105,133,117,117,118,210]} 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 Nc6 5. h3 e6 6. O-O Be7 7. d3 O-O 8. a3 a6 {B50: Sicilian: 2...d6, Miscellaneous} 9. Ba2 {LiveBook: 3 Games} b5 10. Re1 Bb7 {Black has an edge.} 11. Ne2 {[%cal Bc3e2,Be2g3,Bg3f1,Bf1e3][%mdl 32]} Ne5 $146 ({Predecessor:} 11... c4 12. Bf4 Rc8 13. Ng3 cxd3 14. cxd3 {1-0 (34) Kamsky,G (2638)-Ruiz Sanchez,O (2440) Greensboro 2016}) 12. Ng3 Ng6 13. h4 Ne5 14. h5 Nxf3+ 15. Qxf3 h6 16. Qe2 Bc8 17. Nf1 e5 18. Ne3 Be6 19. b4 Bxa2 20. Rxa2 Re8 21. bxc5 dxc5 22. a4 Bf8 23. Bb2 c4 24. dxc4 bxa4 (24... bxc4 $11 25. Nxc4 Qc7) 25. Nd5 $14 Nd7 26. Rxa4 Nc5 27. Ra2 Rc8 28. Rea1 Qh4 29. Re1 (29. Ra3 $16) 29... Bd6 (29... Qd8 $1 $11) 30. Ba3 $16 Re6 31. Bb4 Rb8 32. c3 Rb7 {Precision: White = 43%, Black = 35%.} (32... Bf8 $16 33. Qf3 Rc6) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Stupak, Kirill"]
[Black "Ziatdinov, Raset"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2542"]
[BlackElo "2248"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,121,28,29,25,19,22,14,33,42,47,35,38,29,40,37,59,54,63,59,61,56,56,51,84,67,113,97,99,116,113,112,115,117,111,112,116,85,135,113,144,153,132,137,162,148,259,253,247,245,278,270,262,209,189,201,215,215,190,173,184,185,171,184,212,115,127,132,168,112,110,54,72,51,71,66,95,109,276,283,362,376,368,355,396,394,510,521,522,484,615,609,620,620,695,654,834,933,1158,1026,979,984,1780,1706,1442,1462,1341,1236]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Ne4 6. Bg2 O-O 7. O-O Nxd2 8. Nbxd2 Bxd2 9. Qxd2 d6 {E11: Bogo-Indian} 10. e4 (10. Rac1 Nc6 11. d5 Nb8 12. dxe6 Bxe6 13. Nd4 Bc8 14. Rfd1 Nd7 15. Nf5 Qf6 16. Ne3 Re8 17. b4 {½-½ (72) Grandelius,N (2653)-Johansson,L (2468) Sweden 2018}) 10... e5 11. h3 exd4 $146 {The position is equal.} ({Predecessor:} 11... Nd7 12. Rfe1 a5 13. Rad1 Re8 14. b3 Nf8 15. Kh2 Bd7 16. Qc3 Bc6 17. a3 {½-½ (46) Gutkovich,P (2057)-Drozdova,D (2186) Sochi 2018}) 12. Nxd4 Nc6 13. Nb5 Be6 14. b3 Qd7 15. Kh2 a6 16. Nc3 Rab8 17. f4 {Threatens to win with f5.} f6 18. Rac1 Rfd8 19. Rfd1 Ne7 20. Qf2 b6 {[#]} 21. e5 $1 fxe5 22. fxe5 Rf8 23. Qe1 Rbe8 24. exd6 cxd6 25. Qd2 Nc8 26. Nd5 Bf5 27. Re1 Rxe1 28. Rxe1 Bg6 29. Qd4 Bf7 30. h4 ({But not} 30. Nxb6 Qa7 $16) 30... b5 {[#]} (30... Kh8 $16 {keeps fighting.} 31. Rf1 (31. Nxb6 Qa7 $16) 31... Qd8) 31. cxb5 $1 $18 axb5 32. Rc1 Bxd5 33. Qxd5+ ({Weaker is} 33. Bxd5+ Kh8 $16) 33... Kh8 34. Bh3 Ne7 {Strongly threatening ...Qxh3+!} 35. Bxd7 Nxd5 36. Bxb5 {[%mdl 4096] Endgame KRB-KRN} g5 37. Rc2 gxh4 38. gxh4 Rf4 39. Kg3 Rb4 40. Rc8+ (40. Bc4 $18 Nf6 41. a3) 40... Kg7 $16 41. Bc4 Ne7 42. Rd8 (42. Ra8 $18) 42... d5 43. Bd3 (43. Be2 $16) 43... Rd4 44. Be2 Nf5+ 45. Kf2 Rf4+ 46. Ke1 d4 $2 (46... Rxh4 $16 47. Rxd5 Kf6) 47. h5 $18 Rh4 48. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} Rh1+ 49. Kd2 Rh2 50. Kd3 Rh3+ 51. Kc4 {White is clearly winning.} Rc3+ 52. Kb4 Kf6 53. a5 Rc7 54. a6 Ke7 55. Rd5 Ne3 56. Ra5 Nc2+ 57. Ka4 Ra7 58. Kb5 Kd6 59. Kb6 Ra8 60. a7 Nb4 61. Bf3 {Accuracy: White = 80%, Black = 33%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Megaranto, Susanto"]
[Black "Pranesh M"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "2530"]
[BlackElo "2125"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,152,33,36,33,33,26,34,40,38,39,47,24,28,32,41,35,33,33,41,39,41,34,33,33,30,43,61,54,67,62,97,93,127,105,95,102,100,95,205,201,206,216,216,201,204,183,327,316,323,283,302,294,289,292,275,185,314,324,338,333,340,335,325,324,312,304,400,381,406,400,446,472,464,428,1187,1216,922,717,1440,1254,29980,29981,29980,29982,29982,29983,29983,29984,29985,29986,29986,29987,29987,29988,29989,29990,29989,29990,29990,29990,29990,29990,29991,29992,29992,29993,29993,29993,29993,29993,29993,29994,29994,29995,29996,29995,29995,29996,29996,29996,29997,29997,29997,29997,29997,29997,29997,29998,29998,29999,29999]} 1. d4 Nf6 2. Nf3 d5 3. Bg5 e6 4. e3 Be7 5. c4 h6 6. Bh4 O-O 7. Nc3 Nbd7 8. Rc1 c6 9. Bd3 b6 10. O-O Bb7 11. cxd5 exd5 12. Qc2 Re8 {LiveBook: 7 Games. D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2)} 13. Bf5 (13. Rfd1 a6 14. a3 c5 15. dxc5 bxc5 16. Bf5 Nb6 {½-½ (16) Fominyh,A (2441)-Ilincic,Z (2407) Kecskemet 2015}) 13... Nh5 14. Bxe7 Qxe7 {White has an edge.} 15. b4 $146 ({Predecessor:} 15. Rfd1 Nhf6 16. a3 g6 17. Bh3 Rad8 18. b4 Ba6 19. Qa4 Nb8 20. Ne5 {½-½ (28) Sanchez Jimenez,J (2275)-Almagro Mazariegos,S (2095) Torredelcampo 1996}) 15... Nhf6 16. Qb3 b5 17. a4 bxa4 18. Qxa4 Nb6 19. Qa5 Nc4 20. Qc5 a5 21. Qxe7 Rxe7 22. bxa5 Rxa5 23. Ra1 Rxa1 24. Rxa1 Nd6 25. Bd3 Nd7 26. Na4 Re8 27. Nc5 $36 {[%mdl 2048] Black is under strong pressure.} Rd8 28. Ne5 Nxc5 29. dxc5 f6 30. Ng6 Ne8 (30... Ne4 $16 {was necessary.}) 31. Ra7 $18 Rb8 32. Ne7+ Kf8 {[#]} 33. Nf5 $1 Bc8 34. Nd4 Rb2 (34... g5 $142 35. Nxc6 Rb7) 35. h4 (35. Nxc6 Rd2 $16) 35... Bb7 36. Ba6 Rb1+ 37. Kh2 Bxa6 38. Rxa6 {[%mdl 4096] Endgame KRN-KRN} Rc1 39. Ra5 ({Don't take} 39. Rxc6 $6 Ke7 $16) 39... Nc7 (39... g6 {might work better.} 40. Nxc6 Nc7) 40. Ra7 ({Less strong is} 40. Nxc6 Ne6 $16) 40... Nb5 41. Ne6+ {[%mdl 64] Double Attack} Ke8 42. Nxg7+ ({Weaker is} 42. Rxg7 Rc4 $16) 42... Kf8 43. Ne6+ Ke8 44. Rh7 Nc3 45. Rxh6 Ne4 46. f3 Nxc5 47. Nxc5 Rxc5 48. Rxf6 {KR-KR} Rc4 (48... Ke7 $142) 49. g4 Ke7 50. Rf5 Rc3 51. h5 Rxe3 52. h6 {White mates.} Kd6 53. h7 Re8 54. g5 Ke6 55. g6 Rh8 {[#]} 56. Rf8 $1 {[%mdl 576] Promotion} Rxf8 {KR-K3P} 57. g7 Rd8 58. g8=Q+ Rxg8 59. hxg8=Q+ Ke5 60. Qg5+ Kd4 61. Qd2+ Kc5 62. Qc3+ Kd6 63. f4 {[%cal Bf3f4,Bf4f5,Bf5f6][%mdl 32]} c5 64. Qe5+ Kc6 65. Qe6+ Kb5 66. Qxd5 Kb4 67. f5 c4 68. f6 c3 69. Qa2 c2 70. Qxc2 Ka3 71. Qb1 Ka4 72. Kg3 Ka5 73. Kf4 Ka6 74. Ke5 Ka5 75. Kd5 Ka4 76. Kc4 {[%csl Gc4][%cal Rb1b4]} Ka3 77. Qb3# {Accuracy: White = 85%, Black = 44%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Gajek, Radoslaw"]
[Black "Suvrajit, Saha"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2481"]
[BlackElo "2221"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,153,31,31,10,31,11,41,50,38,60,54,43,46,31,54,44,71,50,154,112,131,54,256,264,261,271,319,372,327,350,207,42,42,42,45,45,48,39,49,46,59,0,0,0,14,11,16,18,18,15,18,15,15,12,15,11,37,36,62,61,104,50,45,43,61,38,38,38,38,38,115,91,91,90,91,83,305,142,541,541,541,541,553,97,98,84,121,54,52,45,62,15,16,17,20,15,15,15,15,32,33,31,79,79,79,79,78,77,80,79,79,79,79,79,78,77,77,77,76,57,47,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d4 b5 5. O-O Nbd7 6. a4 b4 7. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} bxc3 8. Nxc3 c5 (8... Bb7 9. Bf4 a6 10. Rc1 Be7 11. b4 Bxb4 {1-0 (32) Mikhalevski,V (2579)-Riazantsev,A (2649) St Petersburg 2018}) 9. Bf4 {White is slightly better.} Ba6 10. Re1 Be7 11. e4 $146 ({Predecessor:} 11. Ne5 cxd4 12. Nb5 g5 13. Nc6 {1-0 (35) Majer,J (2217)-Krensing,J (2315) Pardubice 2011}) 11... Nxe4 12. Nxe4 dxe4 13. Ne5 Nxe5 14. Bxe5 f6 (14... O-O $1 $14) 15. Bxe4 $16 Rc8 {[#]} 16. Bf4 $1 Qxd4 $2 (16... cxd4 $14 17. Qg4 {[%mdl 64] Double Attack} Kf7) 17. Qh5+ $18 Kf8 18. b3 Qd7 19. Rad1 Qe8 20. Qf3 c4 (20... h5 {was called for.} 21. Bd6 h4) 21. Bb7 $2 (21. bxc4 $18 {And now Bd6 would win.} Bxc4 22. Bb7) 21... Bxb7 $14 22. Qxb7 Qc6 23. Rd7 Qxb7 24. Rxb7 e5 25. bxc4 Kf7 26. Rxa7 (26. Be3 $14) 26... Ra8 $1 $11 {[%cal Ra8a7]} 27. Rc7 Rhc8 28. Rxc8 Rxc8 {[%mdl 4096] Endgame KRB-KRB} 29. Be3 Rxc4 30. Ra1 $1 Rc6 $1 31. a5 {[#] Hoping for a6.} Ra6 32. Bb6 Ke6 33. Kf1 h5 34. Rb1 f5 35. Ke2 e4 36. f3 ({White should try} 36. Kd2 $16) 36... exf3+ $1 $14 37. Kxf3 h4 38. g4 fxg4+ 39. Kxg4 Bf6 40. h3 g6 ({Black should play} 40... Kd5 $14) 41. Kf4 Be7 42. Ke4 Bf6 43. Kd3 Bd8 $2 (43... g5 $16) 44. Kc4 (44. Bxd8 $18 {is the precise move to win.} Rd6+ 45. Ke4 Rxd8 46. Rb6+ Kd7 47. Rxg6) 44... Bf6 $2 {[%mdl 8192]} (44... Rxa5 $16 45. Bxa5 (45. Bxd8 Rf5 $16) 45... Bxa5) 45. Kb5 $18 Ra8 46. a6 g5 47. Rb4 $2 (47. a7 $18 {and White stays clearly on top.}) 47... Be5 $16 48. Rg4 Kf5 49. a7 (49. Rc4 $16) 49... Bb8 $14 50. axb8=Q Rxb8 {KRB-KR} 51. Kc6 Rc8+ 52. Bc7 Re8 53. Ra4 Re6+ 54. Kd7 {Ra5+ is the strong threat.} Re3 55. Ra5+ Kg6 56. Bd8 Rd3+ 57. Ke8 Re3+ 58. Be7 Rg3 59. Re5 Rxh3 60. Rxg5+ Kh6 61. Kf7 {White wants to mate with Rf5.} Rg3 62. Rf5 {Bf8+ would kill now.} Rg7+ 63. Ke6 {Threatening mate with Bf8.} Rg4 64. Bf6 Kg6 65. Be5 Ra4 {White must now prevent ...Ra6+.} 66. Rf6+ Kg5 {The position is equal.} 67. Rf8 Ra6+ 68. Bd6 h3 69. Rg8+ Kh4 70. Rh8+ Kg4 71. Ke5 Rxd6 72. Kxd6 $11 {KR-KP} Kg3 73. Ke5 h2 74. Ke4 Kg2 75. Ke3 h1=Q 76. Rxh1 Kxh1 77. Ke4 {Accuracy: White = 58%, Black = 55%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Vignesh N R"]
[Black "Karthik Venkataraman"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2461"]
[BlackElo "2515"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,62,0,0,-40,0,0,0,-15,0,-6,0,-10,-12,-13,-13,-12,-9,-7,-12,-7,-15,-14,0,-8,-10,-14,0,-5,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. Nc3 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. e3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (7. Nc2 Bc5 8. e3 d5 9. cxd5 Nxd5 10. Nxd5 exd5 11. Bg2 O-O 12. O-O Rd8 13. a3 Be7 14. b4 Bf6 15. Rb1 {0-1 (25) Wei,Y (2729)-So,W (2780) chess.com INT 2018}) 7... Bb4 {LiveBook: 17 Games} 8. Qd3 d5 $146 (8... O-O {seems wilder.} 9. Be2 e5 10. Nb3 e4 11. Qc2 Bxc3+ 12. bxc3 d6) ({Predecessor:} 8... O-O 9. Nf3 d5 10. a3 dxc4 11. Qxc4 Be7 12. Na4 Qa5+ 13. Bd2 Qh5 14. Bg2 Bd7 {0-1 (33) Hribar,J (2139)-Rukavina,J (2398) Pula 2008}) 9. cxd5 $1 {The position is equal.} Nxd5 10. Bd2 Nxc3 11. Bxc3 Bxc3+ (11... Rb8 {keeps more tension.} 12. Bg2 Nxd4 13. exd4 Bd7 14. Bxb4 Qxb4+ 15. Qd2 Qxd2+ 16. Kxd2 Ke7) 12. Qxc3 Nxd4 13. Qxd4 Qxd4 14. exd4 Bd7 15. Bg2 Rc8 16. Kd2 Ke7 17. Rhc1 Kd6 18. Rc3 Rxc3 19. bxc3 $11 {[%mdl 4096] Endgame KRB-KRB} b5 20. Be4 Rc8 21. h4 e5 22. dxe5+ Kxe5 23. Bc2 (23. Bxh7 g6 $17) 23... Rb8 24. Re1+ ({But not} 24. Bxh7 g6 $17) 24... Kf6 25. Re4 ({Reject} 25. Bxh7 g6 $17) 25... Be6 26. a3 Rd8+ 27. Ke3 Rc8 {[#] Hoping for ...Bf5.} 28. Kd2 Rd8+ 29. Ke3 Rc8 30. Kd2 Rd8+ 31. Ke3 Rc8 {Accuracy: White = 67%, Black = 54%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Khusenkhojaev, Muhammad"]
[Black "Ritviz, Parab"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2455"]
[BlackElo "2362"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,61,6,18,18,22,22,22,21,17,19,18,16,25,-8,-11,-52,-37,-71,78,89,81,89,68,48,102,96,277,250,248,114,117,114,104,112,121,109,420,410,699,393,1671,1604]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 O-O 7. O-O Nbd7 8. Qc2 c6 9. b3 b6 10. Rd1 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 {The position is equal.} Bb7 15. Ba5 Qa6 16. dxc5 Nxc5 17. b4 Nce4 18. c5 Ng4 19. Nd4 e5 {[#]} (19... Ngxf2 $17 {keeps the pressure on.} 20. Rf1 (20. b5 Qxa5 21. Qxa5 Bxc5 $17) 20... e5) 20. Nf5 $146 {[%cal Rf5e7][%mdl 2048] White is really pushing.} Qf6 21. Nxe7+ Qxe7 22. f3 $1 {[%cal Rf3g4]} Qg5 (22... Qf6 $1 $14 23. Bh3 {[%mdl 64] Pin} (23. fxg4 Qf2+ 24. Kh1 d4 $11) (23. fxe4 Qh6 $11) 23... Qh6 24. Bxg4 Qe3+ 25. Kg2 Qf2+ 26. Kh1 Rc6 27. fxe4 Rh6) 23. Qb3 Qe3+ $2 (23... Nxh2 $16 {was worth a try.} 24. fxe4 Ng4) 24. Qxe3 $18 Nxe3 25. fxe4 (25. Rd3 $18 {is more deadly.} Nxg2 26. fxe4) 25... Nxd1 $16 26. exd5 {[%cal Be4d5,Bd5d6,Bd6d7][%mdl 32]} Ne3 27. Nc3 {c6 is the strong threat.} f5 28. c6 {[%cal Bc5c6,Bc6b7][%mdl 32]} Nxg2 $2 {[%mdl 8192]} (28... Bxc6 $16 29. dxc6 Nxg2) 29. cxb7 $18 ({Weaker is} 29. Kxg2 Bxc6 30. dxc6 Rxc6 $16) 29... Rxc3 {[#]} (29... Rb8 $142 30. Kxg2 Rxb7) 30. d6 $1 ({Worse is} 30. Kxg2 Rb8 $11) 30... Rc2 $2 (30... Ne3 31. d7 Rb3) 31. d7 {Accuracy: White = 57%, Black = 29%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Nitin, S.."]
[Black "Ramnathan, Balasubramaniam"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2442"]
[BlackElo "2191"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,150,19,28,30,31,22,34,17,15,10,20,15,15,21,25,0,6,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-4,-6,0,0,0,0,0,0,0,0,0,0,322,322,322,322,1011,1104,752,120,120,0,0,0,0,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,0,-40,0,-128,0]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Be2 Re8 6. Nd3 Bxc3 7. dxc3 Nxe4 8. Nf4 d6 9. O-O Nd7 10. c4 Ndf6 {LiveBook: 17 Games} 11. Be3 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} (11. Re1 b6 12. f3 Nc5 13. b3 Qe7 14. Qd2 Qe5 15. Rb1 Bb7 16. Bb2 Qg5 17. Rbd1 h6 18. Nd5 Nxd5 19. cxd5 Qxd2 20. Rxd2 {½-½ (29) Svidler,P (2746)-Gashimov,V (2679) Dagomys 2008}) 11... b6 12. Re1 Bb7 {[%cal Bc8b7,Bb7f3,Bf3e4][%mdl 32]} 13. Bf3 {White is slightly better.} Qd7 14. Qd3 {[#]} Nc5 $146 ({Predecessor:} 14... Qf5 15. Ne2 Rab8 16. Nc3 Qg6 17. Nxe4 Nxe4 18. Re2 {½-½ (37) Fridman,R (2488)-Jussupow,A (2574) Netherlands 2011}) 15. Bxc5 Bxf3 16. Bd4 Be4 17. Qc3 Qg4 18. Bxf6 Qxf4 19. Bxg7 Qg4 {[%csl Ge4][%cal Rg4g2]} 20. f3 Bxf3 $1 21. Qxf3 Qxf3 22. gxf3 {Strongly threatening Bc3.} Kxg7 $11 {[%mdl 4096] Endgame KRR-KRR} 23. Kf2 Kf6 24. Rad1 Rxe1 25. Rxe1 {KR-KR} Rg8 26. Re4 Rg5 27. b3 Re5 28. Rd4 Rh5 29. Kg3 Re5 30. Kf2 Rg5 31. a4 Rh5 32. Kg3 Rg5+ 33. Kf2 a5 34. Rh4 Kg6 35. Re4 h5 36. Rd4 Kf6 37. Re4 Rc5 38. Rf4+ Kg6 39. Rd4 Re5 40. Rf4 c5 41. Re4 Kf5 42. Re3 Kf4 43. Rd3 Re6 44. Rd5 f5 45. h4 $1 Rg6 46. c3 Rf6 47. Rd3 Re6 48. Rd5 Rg6 49. Rd1 Rg3 50. Rd3 Rg6 51. Rd1 Re6 52. Rd3 Re5 53. b4 Re6 54. b5 $1 Re7 55. Rxd6 Re3 56. Rxb6 {Threatens to win with Rc6.} Rxc3 57. Ra6 $1 Rc2+ 58. Ke1 Kxf3 59. Rxa5 Ke3 {[%cal Rc2c1]} 60. Kd1 Rd2+ 61. Kc1 f4 $2 {[%mdl 8192]} (61... Rd4 $11 {and Black is okay.}) 62. b6 $18 f3 {( -> ...f2)} 63. Rxc5 {aiming for Re5+.} f2 $2 (63... Rd4 64. Re5+ (64. Rxh5 $2 f2 $19) 64... Kd3) 64. Rf5 Rd4 {[#]} 65. Kb2 $2 (65. Rxf2 $1 $18 {[%mdl 512] is the precise move to win. Rc2 is the strong threat.} Kxf2 66. c5) 65... Rxc4 $16 {[#]} 66. Ka3 (66. Kb3 $1 $16 {[%cal Rb3c4]} Rc1 67. a5) 66... Rc1 $1 $11 67. Ka2 Rc6 68. a5 {[#]} Rc5 $3 {[%cal Rc5f5][%mdl 512]} 69. Rxc5 {Rf5 would kill now.} f1=Q $15 {KQ-KR} 70. Rc3+ $1 Kd4 71. Rb3 Qe2+ 72. Ka3 Qe7+ 73. Kb2 {And now b7 would win.} Qe2+ (73... Qe5 $5 {[%cal Rd4c4]} 74. b7 Kc4+ 75. Ka2 Qxa5+ 76. Kb1 Qe1+ 77. Kc2 Qf2+ 78. Kb1 Qf5+ 79. Kb2 Qf2+ 80. Kb1 Qg1+ 81. Kb2 Qd4+ 82. Kc2 Qf2+ 83. Kb1 $19) 74. Ka3 Qe7+ (74... Qd1 $15 75. Kb2 Qd2+ 76. Kb1 Qe1+ 77. Kc2 Qf2+ 78. Kb1 Qe1+ 79. Kc2 Qf2+ 80. Kc1 Qf4+ 81. Kb1 Qf5+ 82. Kc1 Kc4) 75. Kb2 $17 {Hoping for b7.} Qe2+ {Precision: White = 84%, Black = 64%.} (75... Qe5 $17 76. b7 Kc4+ 77. Ka2 Qxa5+ 78. Kb1 Qe1+ 79. Ka2 Qa5+ 80. Kb1 Qf5+ 81. Ka1 Qa5+ 82. Kb1) 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Sundararajan, Kidambi"]
[Black "Varshini, V."]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2436"]
[BlackElo "2171"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,67,31,33,17,36,10,40,37,83,70,78,63,111,102,193,190,178,135,216,214,240,230,225,216,286,228,227,249,245,279,273,269,437,364,1604,1566,6570,5977,5326,5110,2468,2521,1689,1622,1384,1375]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 h6 7. Bh4 O-O 8. Rc1 a6 9. cxd5 exd5 10. Bd3 b6 11. O-O Bb7 12. Qc2 c5 {LiveBook: 4 Publish game on website} 13. Bf5 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} c4 14. Ne5 Re8 (14... b5 15. f3 Re8 16. Kh1 Nf8 17. g4 Bd6 18. f4 Qc7 19. Qg2 b4 20. g5 hxg5 21. Bxg5 {1-0 (32) Hawkins,J (2533)-Marin,M (2583) Douglas 2014}) 15. f4 {[%cal Bf2f4,Bf4e5][%mdl 32] White is slightly better.} Nf8 $146 ({You set blue moves yourself with the critical opening position annotation.:} 15... b5 16. g4 Nxe5 17. fxe5 Nd7 {1-0 (29) Godesar,R-Staniforth,M ICCF email 2013}) 16. a4 N6d7 17. Bg3 Nxe5 18. fxe5 ({Don't play} 18. dxe5 $6 Bc5 $11) 18... Bh4 (18... Bb4 $16) 19. Bxh4 $18 Qxh4 20. Rf4 {[%cal Bf1f4,Bf4g4,Bg4g6][%mdl 32]} Qd8 {[#]} (20... Qe7 $16) 21. Rcf1 $1 Re7 22. Qf2 Qe8 23. Rg4 b5 24. Qh4 Ng6 25. Bxg6 $1 fxg6 {[#]} 26. Rxg6 $1 {[%mdl 512]} b4 (26... Qxg6 27. Qxe7) 27. Ne2 {Strongly threatening &Bh6.} Rf7 $2 (27... a5 28. Nf4 Kh7) 28. Rff6 {[%cal Bf1f6,Bf6h6,Bh6h7,Bh7b7][%mdl 32]} Rc8 $2 {[#]} (28... Rxf6 29. Qxf6 Qf7 30. Qxf7+ Kxf7) 29. Rxh6 $1 {[%mdl 576] NOTEXT-4845. White is clearly winning.} gxh6 30. Rxh6 {White wants to mate with &Vh8.} Rh7 31. Rxh7 {White threatens &Vh8 and mate.} Qg6 32. Rxb7 {&Wf4 would kill now.} Qb1+ 33. Kf2 {Threatening mate with &Bg4.} Rf8+ 34. Nf4 {NOTEXT-4805: Tournament = 86%, Annotator = 26%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Neelotpal, Das"]
[Black "Shiva Pavan Teja Sharma U"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2419"]
[BlackElo "2048"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,69,-35,2,-6,9,-10,22,22,43,29,59,58,62,58,81,34,68,41,80,75,218,223,220,222,275,244,306,306,366,366,345,240,409,334,315,306,410,392,430,425,505,456,681,654,713,729,750,740,1189,1182,1247,1225]} 1. Nf3 Nf6 2. d4 d5 3. c4 c6 4. g3 dxc4 5. Bg2 e6 6. O-O b5 7. a4 {E04: Open Catalan: 5 Nf3} Bb7 8. Ne5 a6 9. b3 (9. Nc3 Nd5 10. e4 Nxc3 11. bxc3 Be7 12. Rb1 Qc8 13. Qg4 g6 14. f4 Nd7 15. f5 Nxe5 16. dxe5 h5 17. Qf3 exf5 18. exf5 Qxf5 19. Qxc6+ Bxc6 20. Bxc6+ {½-½ (78) Inarkiev,E (2689)-Piorun,K (2651) Katowice 2017}) 9... cxb3 10. Bb2 Be7 {LiveBook: 4 Publish game on website} 11. Nd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} O-O 12. Nxb3 Nd5 $146 ({You set blue moves yourself with the critical opening position annotation.:} 12... Nfd7 13. Nd3 Ra7 14. Bc3 Ba8 {½-½ (79) Sieglen,J (2261)-Leyrer,T (1774) Berlin 2014}) 13. Nc5 Qc8 14. Qd2 {[%mdl 1024] White has compensation.} Rd8 15. Rfd1 Nb6 16. Qf4 Rf8 17. Qg4 $36 {[%mdl 2048] White has the initiative.} Nd5 18. Rac1 bxa4 19. Nxa4 Ra7 {[#]} (19... a5 $16 {was called for.}) 20. e4 $1 $18 Nf6 21. Qe2 a5 22. Qe3 c5 23. Nxc5 Bxc5 24. Rxc5 Qd8 25. Rcc1 {[#] Black must now prevent d5.} Ra8 $2 (25... Ra6 26. d5 exd5 27. exd5 Nbd7) 26. Ba3 Re8 27. Nc4 Na6 28. Nd6 Re7 29. d5 {White is clearly winning.} exd5 30. e5 Ng4 (30... Qb8 $142 31. Nxb7 Rxe5) 31. Qd4 h5 32. Nxb7 Rxb7 33. Bxd5 Qd7 34. Qe4 Rab8 35. Bxb7 {NOTEXT-4805: Tournament = 77%, Annotator = 10%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Manik, Mikulas"]
[Black "Md.abzid, Rahman"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2413"]
[BlackElo "2040"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,55,131,135,167,168,185,185,184,184,181,175,185,176,172,173,181,141,204,145,183,193,189,168,191,182,184,175,171,131,131,131,129,42,152,87]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c4,Bc4e3][%mdl 32]} e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be6 10. Nc4 Be7 11. Bxf6 gxf6 12. Ne3 {LiveBook: 7 Games} Nd4 {B33: Sicilian: Pelikan and Sveshnikov Variations} (12... Rc8 13. Ncd5 O-O 14. c3 Kh8 15. Bd3 Rg8 16. O-O b5 17. b4 Bf8 18. a4 Rb8 19. axb5 axb5 20. Ra6 {1-0 (28) Nagy,G (2467)-Nadj Hedjesi,B (2343) Kecskemet 2016}) 13. Bd3 O-O 14. O-O Kh8 $146 ({Predecessor:} 14... b5 15. a4 Qd7 16. Ncd5 Rab8 17. c3 Nc6 18. axb5 axb5 19. Ra6 Bd8 20. Qe2 {1-0 (33) Isakov,A (2260)-Terentiev,S (1939) Syktyvkar 2012}) 15. Ncd5 Rg8 16. c3 Nc6 17. Qf3 Rg6 18. Rfd1 Bf8 19. Bf1 Bh6 (19... Ne7 $16 {was worth a try.} 20. Nxf6 Bh6) 20. Rd3 Bxe3 21. Nxe3 ({Don't play} 21. Qxe3 $6 f5 $14) 21... Qc7 22. Rd2 Ne7 23. Rad1 Rd8 24. h4 Kg7 25. b3 h5 26. g3 Qc6 27. Qxh5 (27. Be2 $16) 27... Qxc3 ({Better is} 27... Qxe4 $14 28. Kh2 (28. Rxd6 Rxg3+ 29. fxg3 Rxd6 $11) 28... Rxg3 29. fxg3 Qxe3) 28. Rxd6 {Precision: White = 50%, Black = 54%.} (28. Qf3 $142 Qc7 29. h5) 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Girish, A. Koushik"]
[Black "Saurabh Anand"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2411"]
[BlackElo "2210"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,65,-27,-22,-22,-16,0,0,54,56,64,60,56,50,56,44,49,42,41,19,25,26,18,27,623,602,814,798,1220,1217,1167,1187,1146,1135,1392,1361,1887,1845,1709,1616,1335,1078]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. b3 Be7 5. Bg2 O-O 6. O-O c5 7. Bb2 Nc6 8. e3 d4 9. exd4 cxd4 10. a3 a5 11. Re1 {A14: English Opening: 1...e6 with b3 by White} Bc5 12. d3 Re8 13. Nbd2 e5 14. Ng5 {LiveBook: 16 Games} Bf5 (14... Bf8 15. Rc1 Bg4 16. Bf3 Bxf3 17. Qxf3 Qe7 18. Nde4 Nxe4 19. Nxe4 {0-1 (36) Bauer,C (2658)-Fressinet,L (2708) Nimes 2014}) 15. Nge4 Nxe4 16. Nxe4 Bxe4 $146 (16... Be7 $11) ({Predecessor:} 16... Bf8 17. g4 Bg6 18. Ng3 Qd7 {1-0 (90) Bochev,K (2254)-Spasov,V (1888) ICCF email 2009}) 17. Bxe4 $14 Qd6 18. Bc1 Qd7 19. Ra2 f5 20. Bd5+ Kh8 21. Rae2 Bd6 22. f4 exf4 23. Bxf4 Bxf4 24. gxf4 Ne7 $2 {[%mdl 8192]} (24... h6 $11) 25. Bf7 $18 {White is clearly winning.} Qd6 26. Bxe8 Rxe8 27. Re6 Qxf4 28. Qh5 g6 29. Qe2 Kg8 30. Rxe7 {[#] White wants to mate with Qe6+.} Rxe7 31. Qxe7 Qg4+ 32. Kf2 Qf4+ {[#]} 33. Ke2 $1 {Accuracy: White = 82%, Black = 32%.} 1-0

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Sahoo, Utkal Ranjan"]
[Black "Tran, Tuan Minh"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "2388"]
[BlackElo "2541"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,90,8,-7,0,0,0,-3,0,0,0,-13,7,8,16,26,16,27,24,8,33,13,23,0,0,0,0,0,0,0,0,-21,-36,-81,-81,-114,-112,-143,-141,-420,-400,-395,-81,-494,-33,-396,-107,-130,-106,-95,-59,-100,-45,-57,0,0,-3,-20,19,-14,0,-757,492,-856,-57,-345,-358]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Qc2 Bb7 6. a3 Bxc3+ 7. Qxc3 O-O 8. Bg5 h6 9. Bh4 d6 10. Nd2 Nbd7 11. f3 c5 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} 12. e3 Rc8 13. dxc5 Rxc5 14. b4 {LiveBook: 8 Games} Rc7 {[#]} 15. Qd4 $146 ({Predecessor:} 15. Qb2 Qe7 16. Be2 {½-½ (55) Johannessen,L (2551)-Baklan,V (2622) Germany 2007}) 15... Qe7 16. Be2 e5 17. Qb2 Rfc8 18. O-O Qe6 19. Rac1 d5 20. cxd5 Nxd5 21. Rxc7 Rxc7 22. Bc4 {[#] Hoping for e4.} b5 23. Bb3 Qc6 24. Bf2 Qc3 $36 {[%mdl 2048] Black has some pressure.} 25. Qxc3 Rxc3 26. e4 Nf4 27. Bxa7 Ne2+ 28. Kf2 Nc1 $1 {[%cal Rc1b3]} 29. Rd1 Nf6 30. Bd5 Nd3+ 31. Kg1 Nxd5 32. Ra1 $2 {[%mdl 8192] [#]} (32. exd5 $17 Bxd5 33. Ra1) 32... Rc2 $19 33. exd5 Bxd5 $2 (33... Rxd2 $19 34. d6 Nf4) 34. Kf1 $2 {[%mdl 8192]} (34. Nf1 $17 {is tougher.}) 34... Nf4 $2 (34... Rxd2 $19 35. h4 Rc2) 35. Ne4 $2 {[%mdl 8192]} (35. Be3 $15) 35... f5 $2 (35... Rxg2 $19 {and Black stays clearly on top.} 36. Nd6 Bxf3) 36. Nf2 $17 Bc4+ 37. Kg1 Kh8 38. Kh1 Ne2 (38... Re2 $17 {White must now prevent ...e4.} 39. Rd1 e4 40. fxe4 fxe4) 39. h4 e4 ({Black should play} 39... Kh7 $15) 40. fxe4 $11 fxe4 41. Rd1 h5 42. Nh3 Ra2 43. Nf4 $2 {[%mdl 8192]} (43. Rd8+ $11 Kh7 44. Rd6) 43... Nd4 $4 {[%mdl 8192]} (43... Nxf4 $19 44. Rd8+ Kh7) 44. Rd2 $4 {[%mdl 8192]} ({Resist} 44. Bxd4 Rxa3 45. Re1 Bd3 $18) (44. Rxd4 $18 Rxa3 45. Bc5 (45. Nxh5 Rxa7 46. Rxe4 Ra4 $11)) 44... Nc2 $2 (44... Rxd2 $19 45. Nxh5 e3) 45. Rxc2 $2 {[%mdl 8192]} ({White should try} 45. Rd7 $15) 45... Rxc2 {Precision: White = 31%, Black = 31%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Saravanan, V.."]
[Black "Laxman, R.R."]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2318"]
[BlackElo "2421"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,72,18,12,24,14,23,35,45,0,0,0,0,0,0,-3,37,33,61,36,33,31,73,4,7,0,0,0,0,0,0,0,13,0,13,17,17,17,27,16,13,0,0,0,0,0,0,-28,-10,-12,0,-37,14,18,58,49,71]} 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. Nc3 O-O 7. Re1 d5 8. cxd5 exd5 9. d4 Na6 10. Bf4 Nh5 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (10... Re8 11. Rc1 c5 12. dxc5 Nxc5 13. Nd4 a6 14. a3 Bf8 15. b4 Ne6 16. Nxe6 fxe6 17. Na4 Rc8 18. Rxc8 Qxc8 19. Qd4 b5 {0-1 (82) Nakamura,H (2787)-Carlsen,M (2853) chess.com INT 2016}) 11. Be3 c6 12. Ne5 Bd6 13. f4 $146 {[%cal Bf2f4,Bf4e5][%mdl 32]} ({You set blue moves yourself with the critical opening position annotation.:} 13. Bf3 Nf6 14. Bg5 Re8 15. Nd3 h6 16. Bxf6 Qxf6 17. e3 Rad8 18. Bg2 {1-0 (49) Kallai,G (2459)-Takacs,B (2386) Hungary 2015}) 13... f6 14. Nd3 {[#] aiming for g4.} f5 15. Ne5 Nf6 16. Rc1 Nc7 17. Qc2 $1 Bxe5 18. fxe5 Ne4 19. Rf1 {[%cal Rc3e4]} Ne6 20. Bh3 (20. Qb3 $16) 20... g6 $11 21. Nxe4 dxe4 22. Qb3 Qd5 23. Qxd5 cxd5 24. Rc2 h5 25. Bf2 Rac8 26. Rfc1 $1 Rxc2 27. Rxc2 Rc8 28. Rxc8+ Bxc8 {[%mdl 4096] General book An&L&L-An&L&W} 29. e3 Ba6 30. Be1 Kf7 31. Kf2 Bc4 32. a3 Nd8 33. Bg2 g5 34. h4 gxh4 (34... g4 $15) 35. gxh4 Kg6 36. Bh3 Ne6 {NOTEXT-4805: Tournament = 59%, Annotator = 34%.} 1/2-1/2

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Ameir, Moheb"]
[Black "Czebe, Attila"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "2309"]
[BlackElo "2418"]
[Annotator "TA"]
[PlyCount "174"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,174,29,26,34,22,77,46,61,52,52,52,47,42,58,0,0,0,0,0,6,0,8,-51,-44,-26,-18,-56,-53,-57,-66,-158,-78,-82,-28,-18,-26,-41,-39,-75,-64,-62,-57,-64,-65,-65,-65,-65,-65,-64,-64,-70,0,-64,-57,-57,-57,-65,-57,-64,-57,-64,-57,-64,-54,-60,-37,-41,-31,-31,-26,-31,-31,-31,-34,-33,-31,-32,-30,-32,-32,-47,-31,-31,-19,-41,-57,-211,-198,-202,-197,-171,-74,-88,-91,-92,-62,-71,-53,-59,-29,-29,-27,-27,-27,-29,-26,-24,-22,-31,-32,-54,-54,-66,-59,-120,-117,-451,-451,-485,-484,-475,-460,-600,-620,-585,-573,-5043,-3386,-12801,-12800,-29948,-12838,-12847,-12753,-12798,-12831,-12842,-11473,-9716,-5335,-1525,-962,-29955,-29955,-29954,-29957,-29968,-29955,-29953,-29954,-29965,-29964,-29959,-12580,-5925,-5556]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Ne7 6. c4 Nbc6 {B42: Sicilian: Kan Variation: 5 Bd3} 7. Nb3 g6 8. O-O Bg7 9. Nc3 O-O 10. Bg5 h6 11. Bh4 {[%cal Bg5h4,Bh4g3,Bg3d6][%mdl 32] LiveBook: 18 Games} g5 12. Bg3 Ng6 $146 (12... Ne5 $11) ({Predecessor:} 12... Ne5 13. Be2 N7g6 14. Qd2 b6 15. f3 {0-1 (38) Jakovenko,D (2759)-Artemiev,V (2671) Chita 2015}) 13. Bd6 $16 Re8 14. c5 b5 15. cxb6 Qxb6 16. Na4 Qd8 17. Nd2 (17. Re1 $14) 17... Nce5 $11 18. Nc4 Nxc4 19. Bxc4 Bb7 20. Nc5 Bc6 21. Nxa6 (21. Rb1 $11) 21... Bxe4 22. Nc7 Bxb2 23. Nxe8 Qxe8 24. Re1 Bxa1 25. Qxa1 {[#]} (25. Rxe4 $15 Bb2 26. a4) 25... Bc6 (25... Bxg2 $142 $1 {[%mdl 512] ...Nh4 is the strong threat.} 26. Kxg2 Qc8) 26. Bd3 Qd8 (26... Nf4 $17 27. Bf1 f5) 27. Bxg6 $1 fxg6 28. a3 Qa5 29. Rd1 Qf5 30. Qd4 Qe4 {[%csl Gc6][%cal Re4g2]} 31. f3 Qxd4+ 32. Rxd4 $15 {[%mdl 4096] Endgame KRB-KRB} Ra6 33. Kf2 Kf7 34. Ke3 Kf6 35. Bb4 Kf7 (35... d5 $15) 36. Rd6 (36. Bd6 $1 $11) 36... Rb6 37. h3 Rb5 38. Kf2 Rb8 39. Ke3 Rb7 40. Kf2 Rb5 41. Kg3 Ke8 42. Kf2 Kd8 43. Rd2 Kc7 44. Bd6+ Kb7 45. Ke3 h5 46. Rd4 Rb3+ 47. Rd3 Rb2 48. Rd2 Rb1 49. Rd4 Bb5 50. Rb4 Re1+ 51. Kf2 $1 {[%cal Rf2e1]} Rf1+ 52. Ke3 {And now a4 would win.} Kc6 53. Rd4 $2 (53. Be7 $15) 53... Re1+ $19 54. Kf2 Re2+ 55. Kg1 Ra2 (55... e5 $19 {and Black stays clearly on top.} 56. Rb4 g4 57. hxg4 hxg4) 56. Bb4 d5 57. Rd2 Ra1+ 58. Kf2 Rc1 59. Kg3 Rc4 60. Be7 g4 61. hxg4 hxg4 62. f4 d4 {[%cal Bd5d4,Bd4d3][%mdl 32]} 63. Kxg4 Kd5 64. Kg5 Rc6 65. Bf6 d3 66. a4 Ba6 67. Rd1 ({White should play} 67. Kxg6 $15 Ke4 68. Bg5) 67... Rc2 $17 68. g4 $2 {[%mdl 8192]} (68. Kxg6 $17 d2 69. Bc3 Rxc3 70. Rxd2+ Ke4 71. Kf6) 68... d2 $19 69. Bc3 Rxc3 70. Rxd2+ {KRB-KR} Bd3 71. Rd1 Ra3 72. Re1 Rxa4 73. Rc1 e5 74. fxe5 Kxe5 75. Rc5+ Kd4 (75... Ke4 $142 76. Kh6 Ke3 77. g5 Rh4+ 78. Kg7 Kf4 79. Rd5 Rh3 80. Kf6 Rf3 81. Re5 Kg4+ 82. Ke7 Rf4 83. Rc5 Bf5 84. Kf6 Re4 85. Rc6 Kh5 86. Rc1 Re6+ 87. Kf7 Kxg5 88. Rh1 Ra6 89. Rg1+ Bg4 90. Rh1 Ra7+ 91. Ke8 Kf6 92. Rf1+ Bf5 93. Kd8 Rd7+ 94. Ke8 Rc7 95. Rd1 Rc8+ 96. Rd8 Rxd8+ 97. Kxd8 g5 98. Kc7 g4 99. Kd6 g3 100. Kd5 g2 101. Kc5 Ke5 102. Kc4 g1=Q 103. Kb4 Qd4+ 104. Kb3 Kf6 105. Ka3 Qc3+ 106. Ka2 Qb4 107. Ka1 Qb1#) 76. Rc8 Ke3 77. Rf8 Be4 78. Kh6 Ra2 79. Kg5 Rf2 80. Rb8 Rf7 81. Rb5 Rd7 82. Ra5 Kf3 83. Rb5 Bd3 84. Rb4 Rd5+ 85. Kh4 Be4 86. Rb8 Rd4 87. Rf8+ Bf5 {Accuracy: White = 44%, Black = 52%.} 0-1

[Event "11th Chennai Open-GM 2019"]
[Site "Chennai"]
[Date "2019.01.25"]
[Round "10"]
[White "Barath Kalyan M"]
[Black "Muthaiah AL"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2004"]
[BlackElo "2406"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.01.18"]
[EventType "swiss"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,77,27,0,6,0,7,0,0,0,-17,-15,0,0,98,104,96,96,100,100,93,68,135,104,104,104,104,104,104,104,104,100,99,100,100,100,127,125,129,127,127,127,132,126,130,121,125,0,126,0,119,109,123,83,128,130,182,178,181,183,131,55,41,66]} 1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Bb4 5. Qa4+ Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8. e3 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 9. Qb3 {LiveBook: 3 Games} (9. Be2 dxc4 10. a3 Bxc3+ 11. bxc3 Bd7 12. Qxc4 Rac8 13. O-O Na5 14. Qb4 b6 15. Ne5 Rfd8 16. a4 {1-0 (36) Kovalenko,I (2657)-Anand,V (2773) St Petersburg 2018}) 9... Qg6 $146 ({Predecessor:} 9... dxc4 10. Bxc4 Bd6 11. Be2 e5 12. d5 Nb8 13. O-O Nd7 14. Qc2 Qe7 15. Rac1 a6 16. Ne4 {1-0 (44) Mareco,S (2583)-Vishnu,P (2463) Caleta 2015}) 10. O-O-O a5 {The position is equal.} 11. a3 a4 12. Qc2 {And now Qxg6 would win.} Bxc3 13. Qxc3 Bd7 14. h4 Na5 {[#]} (14... Rfb8 $11) 15. Ne5 $1 $16 {[%cal Re5g6]} Nb3+ {[#]} 16. Qxb3 $1 {[%mdl 512]} axb3 {[%csl Gb3][%cal Rg6c2]} 17. Nxg6 fxg6 18. f4 Ra4 (18... c5 $14) 19. cxd5 exd5 20. Bd3 Bg4 21. Rde1 Bf5 22. Kd2 c6 23. Rc1 Bxd3 24. Kxd3 {[%mdl 4096] Endgame KRR-KRR} Ra6 25. g4 Kf7 26. h5 Re8 27. hxg6+ Kxg6 28. Rh5 Re7 29. Rc3 Rb6 30. Rc5 Ra6 31. Rc3 Rb6 $1 32. Rc5 Ra6 33. Re5 Kf7 34. Kc3 Rxe5 35. fxe5 ({Much weaker is} 35. dxe5 $6 Ra4 $11) 35... Kg6 (35... Ra8 $16 {was necessary.}) 36. Kxb3 $18 Kg5 37. Rc1 Kxg4 {[#]} (37... Ra8 $18 38. Kb4 Kxg4) 38. Rg1+ (38. Kb4 $1 $16) 38... Kf3 $14 39. Rxg7 {Accuracy: White = 64%, Black = 61%.} 1/2-1/2

