[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "1.1"]
[White "Aronian, Levon"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2772"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,63,0,0,0,12,0,0,0,0,0,8,6,6,4,14,0,10,10,5,14,11,10,0,0,0,0,0,-15,-15,-23,15,19,11,0,0,0,0,0,0,-8,-8,-13,-13,-13,-13,-13,-13,-19,-20,-20]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Nc3 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Bg4 ({Predecessor:} 9... O-O 10. Be3 {½-½ (30) Tauber,H (2431)-Anderson,B (2456) ICCF email 2010}) 10. Be3 O-O 11. h3 Bh5 12. Qc2 Nxc3 (12... Bg6 13. Qb3 Ne7 14. O-O c6 15. Bd3 Nd2 16. Nxd2 Bxd3 17. Rfd1 Bg6 {0-1 (58) Aronian,L (2767)-Nakamura,H (2777) chess.com INT 2018}) 13. bxc3 f6 14. exf6 Qxf6 15. Be2 Bg6 $146 (15... Na5 16. O-O Bxf3 17. Bxf3 c6 {½-½ (39) Dominguez Perez,L (2763)-Grischuk,A (2759) Khanty-Mansiysk 2019}) 16. Bd3 Bxd3 17. Qxd3 Rae8 18. O-O Qf5 19. Qe2 Qh5 20. Rae1 Na5 21. Qc2 Nc4 22. Nd2 Qf5 (22... Nd6 {looks sharper.} 23. c4 Ba5 24. cxd5 Qxd5 25. Rc1 c6) 23. Qxf5 {The position is equal.} Rxf5 24. g4 {[#] And now Nxc4 would win.} Nxd2 25. Bxd2 Rxe1 26. Rxe1 $11 {[%mdl 4096] Endgame KRB-KRB} Rf3 27. Re3 Rxe3 28. Bxe3 Ba5 29. Bd2 Kf7 30. Kf1 c6 31. Ke2 Bc7 32. Kd3 {Accuracy: White = 65%, Black = 78%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "1.2"]
[White "So, Wesley"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2760"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,113,18,2,20,12,13,4,22,14,27,0,3,0,22,23,41,-11,-18,-10,-20,-19,-22,-14,3,-17,0,0,4,6,19,22,33,0,22,28,28,22,50,9,10,6,25,40,37,10,18,0,9,10,46,37,46,25,25,25,41,34,34,20,20,20,20,8,8,0,8,8,22,22,22,0,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,0,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. f4 g6 9. Be2 Nbd7 10. g4 Rc8 11. f5 Bxb3 12. axb3 Rxc3 13. bxc3 Nxe4 14. O-O Qh4 15. Bf3 gxf5 16. Bxe4 fxe4 {½-½ (53) Caruana,F (2818)-Vachier Lagrave,M (2778) Saint Louis 2019}) 8. g4 h6 9. Be3 b5 10. a4 $146 ({Predecessor:} 10. Nd5 Nbd7 11. Nxe7 Kxe7 12. f3 Nb6 13. Qd2 Nc4 14. Bxc4 bxc4 15. Na5 {1-0 (38) Shirov,A (2658)-Burg,T (2526) Lund 2019}) 10... bxa4 11. Rxa4 (11. Nxa4 $5 {[%cal Ra4b6]} Be6 12. Nb6 $14) 11... Bd7 12. Ra1 Nc6 13. Nd5 O-O 14. Nb6 ({White should try} 14. c3 $14) 14... Rb8 $11 15. Nxd7 Qxd7 16. Bg2 a5 17. O-O Bd8 18. Qf3 Nb4 19. Qe2 a4 20. Nc1 Qc6 21. c3 Na6 22. Nd3 Bb6 (22... Nd7 {is interesting.} 23. Qc2 Ndc5 24. Bxc5 Nxc5 25. Nxc5 dxc5 26. Rxa4 Rxb2 27. Qxb2 Qxa4 28. Ra1 Qc6) 23. Nxe5 dxe5 24. Qxa6 Rfc8 {With the idea ...Bxe3.} 25. Bxb6 Rxb6 26. Qxa4 Rxb2 27. Qxc6 Rxc6 28. Ra5 Nd7 29. Rd5 Rb7 30. Rfd1 Nf8 31. Rxe5 Ne6 32. Rc1 Rbc7 33. h4 g5 34. hxg5 hxg5 35. Rf5 Rxc3 {The position is equal.} 36. Rxc3 Rxc3 {[%mdl 4096] Endgame KRB-KRN} 37. e5 {Black should prevent Bd5.} Rc4 38. Bd5 Rxg4+ 39. Kh2 Rd4 (39... Kg7 {looks sharper.} 40. f3 Rh4+ 41. Kg3 Kg6 42. Rf6+ Kg7) 40. Bxe6 fxe6 {KR-KR} 41. Rf6 Rd5 42. Rg6+ Kf7 43. Rxg5 Rd1 44. f4 Rd3 45. Kg2 Ra3 46. Rg3 Ra4 47. Kf3 Ra1 48. Kg4 Kg6 49. Kf3+ Kf7 50. Rg2 Ra3+ 51. Kg4 Ra1 52. Rb2 Rg1+ 53. Kf3 Rf1+ 54. Ke3 Re1+ 55. Kf2 Ra1 56. Rb8 Ra3 57. Rb6 {Accuracy: White = 64%, Black = 46%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "1.3"]
[White "Ding, Liren"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2801"]
[BlackElo "2757"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,50,4,6,14,8,0,0,7,0,50,45,38,45,50,45,84,56,60,39,39,39,41,43,48,36,64,50,49,17,29,28,22,35,24,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O Nbd7 8. Qc2 c6 9. Bf4 b6 {E11: Bogo-Indian} 10. Nbd2 (10. Rd1 Bb7 11. Ne5 Nh5 12. Bd2 Nhf6 13. cxd5 cxd5 14. Nc6 Qe8 15. Nxe7+ Qxe7 16. Nc3 Rfc8 17. Qd3 a5 18. Rac1 h6 19. Be1 {½-½ (29) Grischuk,A (2766)-Anand,V (2764) Paris 2019}) 10... Nh5 11. e3 $146 ({Predecessor:} 11. Be3 Bb7 12. Rfd1 Nhf6 13. Bf4 Nh5 14. Be3 Nhf6 15. Bf4 Nh5 {½-½ (15) Prohaszka,P (2614)-Bruzon Batista,L (2660) Saint Louis 2017}) 11... Bb7 12. cxd5 cxd5 13. Bc7 Qe8 {[#] Hoping for ...Rc8.} 14. Rfc1 Nhf6 15. Bf1 Nb8 16. Ne5 Na6 17. Qb3 {And now Bb5 would win.} Nxc7 18. Rxc7 Rb8 19. Rac1 Bd6 20. R7c2 Qe7 21. Qa4 Ra8 22. Ba6 Bxa6 23. Qxa6 Bxe5 24. dxe5 Nd7 $1 25. Nf3 Qb4 {Accuracy: White = 64%, Black = 81%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "1.4"]
[White "Harikrishna, Pentala"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2731"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,95,18,4,10,10,7,8,8,4,7,0,34,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qd3 c5 12. dxc5 Nbd7 {E05: Open Catalan: 5 Nf3 Be7} 13. Nc3 Nxc5 14. Qe3 {[#] Strongly threatening Bxf6.} Bxf3 $146 ({Predecessor:} 14... Qa5 15. Qf4 Nb3 16. Bxf6 Bxf6 17. Nxd5 exd5 18. Rad1 d4 19. Nd2 Nxd2 20. Qxd2 Qxa4 21. Bxb7 {1-0 (62) Mareco,S (2661)-Cuenca Jimenez,J (2512) Guatemala City 2019}) 15. Bxf3 Qa5 $1 16. Qf4 {[#] Hoping for b4.} Ncd7 (16... Nb3 $5 {[%cal Rb3a1]} 17. Rad1 (17. Bxb7 $2 Rab8 $19) 17... h6 18. Bxf6 Bxf6 $11) 17. Rad1 {aiming for Rxd7!} ({Of course not} 17. Bxb7 Rab8 $15) 17... Rad8 {The position is equal.} 18. Bxf6 ({But not} 18. Bxb7 Nh5 $17) 18... Nxf6 19. Rxd8 Rxd8 20. Bxb7 Qb6 21. Bf3 Qxb2 22. Qc7 Rd7 23. Qc6 Rd6 24. Qc4 Qb8 25. Kg2 g6 26. Rb1 Rb6 27. Rd1 Rd6 28. Rxd6 Qxd6 29. Bb7 a5 30. Nb5 Qc5 31. Qf4 Kg7 (31... h5 {looks sharper.} 32. Qd4 Ng4 33. h4 Bf8 34. Bf3 Ne5) 32. Qd2 Qb4 33. Qxb4 Bxb4 $11 {[%mdl 4096] Endgame KBN-KBN} 34. Nd4 Nd7 35. Bc6 Ne5 36. Bb5 Bc3 37. Nc2 g5 38. f4 gxf4 39. gxf4 Ng6 40. e3 e5 41. Kf3 f5 42. Na3 Kf6 43. Nc4 exf4 44. exf4 Ne7 45. Ne3 Bb4 46. Bc4 Bd6 47. h3 h6 48. Nd5+ {Accuracy: White = 80%, Black = 87%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "1.5"]
[White "Nepomniachtchi, Ian"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2773"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,0,0,-3,-1,0,0,0,0,-8,21,14,13,4,0,9,17,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,0,0,0,0,0,104,52,57,52,52,-377,-429,-424,-424,-423,-266,-485,-478,-448,-456,-505,-468,-489,-479,-466,-459,-543,-370,-375,-373,-502,-306,-337,-312,-661,-636,-792,-789,-778,-748,-622,-566,-1066,-979,-11411,-7515,-29988,-29967,-29967,-29968,-29968,-29969,-29968,-29969,-29967,-29959,-29993,-29960,-29994,-29995]} 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. d4 Be7 5. Bg2 O-O 6. Qc2 c5 7. dxc5 Qa5+ 8. Nbd2 {E06: Closed Catalan: Early deviations} (8. Nc3 dxc4 9. O-O Nc6 10. Bg5 Qxc5 11. Bxf6 gxf6 12. Rfd1 f5 13. e4 Bf6 14. Rab1 Nb4 15. Qe2 Nd3 16. Ne1 Nxe1 17. Rxe1 {½-½ (40) Matlakov,M (2683)-Bacrot,E (2678) Bastia 2018}) 8... Qxc5 9. a3 b5 {[%cal Rb5c4]} 10. b4 {The position is equal.} Qc7 $1 {[%cal Rd5c4]} 11. c5 a5 $146 ({Predecessor:} 11... Nc6 12. Bb2 e5 13. Nb3 Be6 14. O-O Ne4 15. e3 Rad8 {½-½ (29) Stigar,P (2573)-Mason,I (2168) ICCF email 2008}) 12. Bb2 Nc6 13. Nd4 Nxd4 14. Bxd4 e5 15. Bb2 axb4 16. axb4 Rxa1+ 17. Bxa1 d4 $1 18. O-O Be6 19. Qd3 Nd5 20. Bxd5 Bxd5 21. e3 Qc6 22. exd4 e4 $36 {[%mdl 2048] White is under pressure.} 23. Qe3 f5 24. f4 Ra8 25. Bc3 Ra2 {[#]} (25... Bf6 $11) 26. Ra1 (26. Rf2 $1 $16) 26... Qa6 27. Qe1 Rxa1 28. Qxa1 $4 {[%mdl 8192] [#]} (28. Bxa1 $14 {is the one way to stay ahead.} g5 29. Nf1) 28... Qe6 $1 $19 29. Qf1 e3 {...e2 is the strong threat.} 30. Qxb5 {And now Qe8+ would win.} Kf7 31. Qd3 $2 (31. Qe2 exd2 32. Kf2) 31... exd2 32. Bxd2 Bf6 33. Bc3 Be4 34. Qd2 Qc4 35. Kf2 Bc6 36. Ke1 Bb5 {[%csl Gb5][%cal Rc4f1]} 37. Kd1 Ba4+ 38. Ke1 Qe6+ 39. Kf2 {White hopes to continue with d5.} Bc6 40. b5 $2 (40. d5 Bxd5 41. Bxf6 gxf6 42. Qe2) 40... Bxb5 41. d5 Qe4 {( -> ...Bxc3)} 42. Bxf6 gxf6 43. c6 Qc4 44. Qd1 Qc5+ 45. Kg2 Bc4 46. Kh3 Qxd5 {Black mates.} 47. Qh5+ Kg7 48. Qe8 {[#]} Qf3 $1 49. Qd7+ Kg6 50. Qe8+ Bf7 51. Qd7 Qf1+ 52. Kh4 Qg2 {Accuracy: White = 41%, Black = 88%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "2.1"]
[White "Harikrishna, Pentala"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "2731"]
[BlackElo "2801"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,82,16,36,14,14,0,0,0,0,0,14,7,25,10,33,29,51,44,49,46,50,43,79,85,66,64,85,72,91,83,126,41,52,0,0,0,0,0,0,0,0,0,0,0,252,234,234,233,227,116,213,107,96,35,68,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O b6 11. Rc1 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4} Bb7 12. Qd2 e6 13. Rfd1 cxd4 14. cxd4 Rc8 15. Bb5 {[#]} Qd6 $146 ({Predecessor:} 15... Ne7 16. Rxc8 Nxc8 17. d5 exd5 18. Bc4 d4 {0-1 (57) Vakhidov,J (2392)-Kasimdzhanov,R (2678) Tashkent 2011}) 16. Bf4 $36 {[%mdl 2048] White is pushing.} e5 17. d5 Na5 18. Be3 Rxc1 19. Rxc1 Rc8 20. h3 Bf8 21. Rxc8 Bxc8 22. Qc3 Bd7 23. Bxd7 Qxd7 24. Qxe5 Nc4 25. Qd4 (25. Qf4 $1 $16) 25... Nxe3 $14 26. Qxe3 (26. fxe3 $14 Bc5 27. Qd3) 26... Qa4 $11 27. Nc3 Qc2 $1 28. e5 Bc5 $1 {[%cal Rc5e3]} 29. Qf3 {Hoping for Ne4.} Bxf2+ $1 30. Qxf2 Qxc3 {[%mdl 4096] Endgame KQ-KQ} 31. d6 $1 {[%cal Bd5d6,Bd6d7][%mdl 32]} Qxe5 $2 {[%mdl 8192]} (31... Qa1+ $11 {and Black has nothing to worry.} 32. Qf1 Qxf1+ 33. Kxf1 Kf8) 32. Qd2 $18 {d7 is the strong threat.} Qc5+ 33. Kh1 {[%mdl 1024] Threatens to win with d7. White has strong compensation.} Qc8 34. d7 Qd8 {[#]} 35. Qd6 (35. g4 $1 $18) 35... f5 $16 {[#]} 36. Kg1 (36. g3 $1 $16) 36... Kf7 $14 37. Kf1 (37. Kf2 $14) 37... b5 $11 {The position is equal.} 38. Kf2 a5 39. Qd5+ Ke7 40. Qxb5 Qxd7 41. Qxa5 Qd4+ {Accuracy: White = 53%, Black = 69%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "2.2"]
[White "Anand, Viswanathan"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2757"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,143,11,8,18,16,21,20,14,13,23,27,20,18,12,10,14,12,20,22,22,22,32,31,33,18,14,0,0,0,0,0,0,3,53,20,45,-25,-27,-16,-23,-42,-33,-40,46,46,43,28,28,29,31,43,48,0,49,43,36,46,38,45,54,54,50,22,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,21,28,28,28,28,8,8,8,8,8,8810,8826,8685,8672,8516,8670,8109,3856,7284,6408,5431,4377,2604,2378,29964,0,1519,1137,29970,29971]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 Na5 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines} 10. Ba2 Be6 11. b4 Bxa2 {The position is equal.} 12. Rxa2 Nc6 13. Bg5 {[#]} Ng4 $146 ({Predecessor:} 13... Nd7 14. Bd2 {½-½ (46) Vachier Lagrave,M (2796)-Aronian,L (2801) Palma de Mallorca 2017}) 14. Bd2 Nf6 15. Re1 Qd7 16. Nd5 Nxd5 17. exd5 Nd8 18. a4 Rb8 19. axb5 axb5 20. Ra7 f5 21. Qa1 Nf7 22. c4 g5 {[#] White must now prevent ...g4.} 23. Bc3 g4 24. Nd2 h5 25. Qa6 (25. f4 $5) 25... h4 26. Qc6 ({Better is} 26. Nb3 $14) 26... Qxc6 $11 27. dxc6 Rfc8 28. Rea1 bxc4 29. Nxc4 d5 (29... Nd8 $15) 30. Ne3 $36 {[%mdl 2048] White has good play.} d4 31. Nxf5 Bg5 32. Be1 Kh7 33. f3 gxf3 34. gxf3 (34. Nxh4 {feels hotter.} Be3+ 35. Kf1 fxg2+ 36. Nxg2 Bh6 37. Rb7) 34... Kg6 (34... h3 {is more complex.} 35. Ng3 Rb6 36. R7a6 Rxa6 37. Rxa6 Be3+) 35. Nxh4+ Bxh4 36. Bxh4 Rxb4 37. Rb7 Rxb7 38. cxb7 {[%mdl 4096] Endgame KRB-KRN} Rb8 $1 39. Rb1 Nd6 40. Bg3 {Played: Bh4-d8} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "2.3"]
[White "Carlsen, Magnus"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2870"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,0,0,0,14,0,0,0,0,0,14,14,50,54,68,66,60,38,70,64,77,66,104,83,107,85,134,130,129,124,163,143,154,152,196,163,156,151,192,194,196,196,206,210,202,195,193,214,197,208,310,302,304,297,318,294,354,343,592,393,468,460,441,476,468,466,631,612,615,517,750,733,6045,5979,2237,751,984,800,1566,1177]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Be2 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} (6. Bxd7+ Bxd7 7. Bg5 h6 8. Bh4 Qa5+ 9. Nc3 e5 10. Qd3 g5 11. Bg3 Nf6 12. h4 g4 13. Nd2 Rc8 14. h5 Be6 {0-1 (23) Duda,J (2729)-Vachier Lagrave,M (2775) Paris 2019}) 6... Ngf6 7. O-O e5 8. Qe3 {The position is equal.} Nc5 9. Nfd2 b5 10. c4 bxc4 11. Nc3 $36 {[%mdl 2048] White fights for an advantage.} Bb7 12. Bxc4 Be7 13. b4 $146 ({Predecessor:} 13. b3 O-O {1-0 (52) Idani,P (2597)-Iniyan,P (2525) Taleigao 2019}) 13... Ne6 14. Nb3 $1 Rc8 15. Na5 Qd7 16. Qd3 O-O 17. Be3 Bd8 {White should prevent ...Bxa5.} 18. Nxb7 Qxb7 19. Nd5 $1 Nc7 20. Nxf6+ Bxf6 21. Rab1 ({Resist} 21. Qxd6 $6 Rfd8 $14) 21... Rfd8 22. Rfd1 h6 23. f3 Qc6 {[#]} 24. Qb3 $1 Qe8 25. a4 {[%cal Ba2a4,Ba4b5,Bb5b6,Bb6b7][%mdl 32]} Rb8 26. b5 axb5 27. axb5 Ne6 28. b6 Bg5 29. Bf2 Nd4 (29... Qe7 $142 30. g3 g6) 30. Bxd4 $18 exd4 31. Rxd4 Rdc8 32. b7 ({Weaker is} 32. Rxd6 Be7 $16) 32... Rc5 {Now ...Rxb7 and Black clings on.} 33. Bd5 Qe7 $2 (33... h5 {was called for.} 34. Rc4 Rxc4) 34. Rc4 Qc7 35. Rxc5 {White is clearly winning.} dxc5 36. g3 Bf6 37. Kg2 Qe7 38. Qb6 Be5 39. Qc6 Kh7 40. f4 Bd4 41. Qc8 Qd6 42. Qf5+ (42. Bxf7 $142 g6 {[#]} 43. Rb6 $1 {[%mdl 512]}) 42... Kh8 43. Kh3 Qa6 44. e5 {Accuracy: White = 79%, Black = 41%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "2.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Nakamura, Hikaru"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2722"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,82,30,33,12,12,8,53,49,41,18,14,45,32,27,25,29,25,24,20,0,1,-10,0,0,0,0,0,0,13,8,34,8,71,56,151,0,0,-44,0,0,0,0,0,0,0,-44,-23,-51,-18,-10,28,-10,61,63,87,98,162,56,68,70,109,9,10,1,9,5,4,-42,-45,-78,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. Nbd2 {E04: Open Catalan: 5 Nf3} (7. e3 Rb8 8. Nfd2 e5 9. Bxc6+ bxc6 10. dxe5 Ng4 11. Nxc4 Be6 12. Qe2 h5 13. Rd1 Qc8 14. Qf3 Rb6 15. Nxb6 cxb6 16. h4 Nxe5 {½-½ (41) Grischuk,A (2759)-Ding,L (2811) Khanty-Mansiysk 2019}) 7... b5 8. b3 Rb8 9. Bb2 $1 {White is slightly better.} cxb3 10. Nxb3 Be7 11. Rc1 Bb7 12. Ne1 Na7 13. Bxb7 Rxb7 14. Nd3 $146 ({Predecessor:} 14. Qc2 Qa8 {½-½ (29) Joppich,U (2453)-Baranowski,T (2489) ICCF email 2010}) 14... O-O 15. Qc2 Qa8 16. Na5 Rb6 17. Qxc7 Nd5 18. Qc2 $1 Bg5 19. Rcd1 Rc8 20. Nc5 Nc6 21. Nab3 $1 {Strongly threatening e4.} a5 (21... Be7 $11 {keeps the balance.}) 22. e4 $1 $16 {[%cal Re4d5]} Ndb4 (22... a4 $1 $14) 23. Qb1 $2 ({White should try} 23. Qe2 $16) 23... a4 $36 {[%mdl 2048] Black has the initiative.} 24. Nc1 Na6 25. Nxa6 Rxa6 26. d5 Na5 27. Ba1 Nc4 28. dxe6 Rxe6 {White must now prevent ...Nd2.} 29. Rd5 $1 {[%cal Rd5g5]} Be7 30. Ne2 {[%cal Bc1e2,Be2f4,Bf4d5,Bd5f6][%mdl 32]} Rd6 31. Nf4 ({But not} 31. Rxb5 $2 Nd2 $19) 31... Rxd5 (31... b4 $11) 32. Nxd5 $14 Bf8 {With the idea ...Nd2.} 33. Qxb5 Nd2 {[#]} (33... Nd6 $16 {is a better defense.} 34. Qe2 Rc4) 34. Rd1 (34. Bxg7 $1 $18 {Intending Nf6+ and mate.} Bxg7 35. Ne7+ {[%mdl 64] Double Attack} Kh8 36. Nxc8 Qxc8 37. Rd1 Nxe4 38. Qd5) 34... Nxe4 {Black wants to play ...Bc5.} 35. Qe2 Nc5 {[#]} 36. Qg4 (36. Bxg7 $1 $16 Bxg7 37. Ne7+ {[%mdl 64] Double Attack} Kf8 38. Nxc8 Qxc8 39. Qc2) 36... Rd8 $11 37. Nf6+ Kh8 38. Rxd8 Qxd8 39. Nh5 {[%cal Ra1g7]} Ne6 {aiming for ...Qd2.} 40. Qxa4 Qd5 ({Black should play} 40... Qd2 $17 {...Qe1+ is the strong threat.} 41. Nxg7 Nxg7 42. Bxg7+ Kxg7 43. Qg4+ Kh8) 41. Qg4 Qxa2 {Accuracy: White = 43%, Black = 39%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "2.5"]
[White "Giri, Anish"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2776"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,51,20,14,14,14,8,15,15,15,16,14,21,20,21,10,15,17,14,14,16,14,14,21,16,52,33,33,33,34,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 {[%cal Bb1c3,Bc3d5,Bd5e3,Be3f5,Bf5e7][%mdl 32] C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} (9. d4 Bf6 10. Re1 Re8 11. c3 Rxe1 12. Qxe1 Qe8 13. Qxe8+ Nxe8 14. Bf4 d5 15. Nd2 Be7 16. Re1 Kf8 17. Bd3 Bd6 18. Bxd6+ Nxd6 {½-½ (25) Mamedyarov,S (2767)-Radjabov,T (2758) Khanty-Mansiysk 2019}) 9... Ne8 10. Nd5 Bd6 11. Re1 c6 12. Ne3 Bc7 13. Nf5 d5 14. Ne7+ Kh8 {[#] And now ...Be6 would win.} 15. Nxc8 Rxc8 16. d3 f5 {[#]} 17. Qf3 $146 Nf6 18. g3 Ng4 19. d4 Qf6 20. h3 Nh6 21. Bxh6 Qxh6 22. c3 Qf6 {The position is equal.} 23. Bd3 g6 24. Re2 Rce8 25. Rae1 Rxe2 26. Rxe2 {Accuracy: White = 81%, Black = 84%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "3.1"]
[White "Nakamura, Hikaru"]
[Black "Giri, Anish"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2741"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,9,21,0,7,9,5,8,27,15,7,0,0,0,11,0,0,0,2,4,4,4,6,7,8,0,0,0,0,0,0,0,0,0,0,0,16,17,52,52,54,52,74,59,73,75,85,82,103,103,170,146,163,184,221,231,223,212,214,213,275,247,281,267,368,356,399,397,397,397,397,397,397,386,364,276]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 $146 ({Predecessor:} 4. O-O a6 5. Bd3 Ngf6 6. Re1 e6 7. c3 b5 {½-½ (63) Amin,B (2709)-Cheparinov,I (2711) Germany 2019}) 4... Ngf6 5. O-O e6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} a6 {[#] Strongly threatening ...b5.} 7. c3 b5 8. Bc2 {The position is equal.} c4 9. a4 Bb7 10. d4 cxd3 11. Qxd3 Nc5 12. Qe2 bxa4 13. Be3 Bxe4 14. Bxc5 Bxc2 15. Qxc2 {aiming for Bd4.} dxc5 16. Qxa4+ Qd7 17. Ne5 Qxa4 18. Rxa4 Bd6 19. Nc4 Bc7 20. Nbd2 Ke7 21. Rea1 a5 22. Nb3 $36 {[%cal Rc4a5][%mdl 2048] White is pushing.} Nd7 23. Nbxa5 {Black must now prevent Nc6+.} Bxa5 24. Rxa5 Rxa5 25. Rxa5 $11 {[%mdl 4096] Endgame KRN-KRN} e5 26. Kf1 h5 27. h4 Rb8 28. Ke2 Rb7 29. Kd3 f6 {[#]} (29... f5 $16 {was called for.}) 30. Ke4 $1 $18 Rc7 31. Kd5 f5 32. Ra6 e4 33. Ne3 Nf6+ 34. Ke5 Rd7 35. Nxf5+ Kf7 36. Nd6+ Ke7 {next ...Ng4+ is good for Black.} 37. Nxe4 {White is winning.} Nxe4 38. Kxe4 Rd2 39. Ke3 Rxb2 40. Rg6 Kf7 41. Rg5 c4 42. Rc5 {Accuracy: White = 83%, Black = 52%.} ({Don't take} 42. Rxh5 Rc2 $18) 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "3.2"]
[White "So, Wesley"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2760"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,12,15,0,13,0,0,0,0,0,6,0,0,0,-7,0,32,0,14,16,15,15,27,24,37,35,38,37,46,39,47,24,33,33,32,27,25,17,17,17,24,22,40,29,35,13,13,13,13,13,23,17,18,16,18,0,11,0,4,0,0,0,0,-9,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. O-O O-O 6. b3 d4 7. Bb2 {A14: English Opening: 1...e6 with b3 by White} (7. e3 c5 8. exd4 cxd4 9. Re1 Nc6 10. Bb2 Bd6 11. Nxd4 Nxd4 12. Bxd4 Bxg3 13. hxg3 Qxd4 14. Nc3 Ng4 15. Qf3 f5 16. Nb5 Qb6 17. Qf4 e5 18. Rxe5 Nxe5 19. Qxe5 {1-0 (37) Artemiev,V (2761)-Korobov,A (2687) Poikovsky 2019}) 7... c5 8. b4 Nc6 9. b5 Na5 10. d3 Bd6 11. Nbd2 h6 $146 ({Predecessor:} 11... a6 12. a4 h6 13. e3 e5 14. exd4 exd4 15. Nb3 Nxb3 16. Qxb3 {0-1 (41) Madeira,W (2168)-Quintiliano Pinto,R (2469) Aldeia de Barueri 2017}) 12. e3 e5 13. Re1 Qc7 14. Qc2 Bd7 15. exd4 exd4 16. Ne4 Nxe4 17. Rxe4 Bf5 18. Re2 Rae8 19. Rae1 Qd7 20. Bc1 b6 21. Bd2 Rxe2 22. Rxe2 Re8 23. Bxa5 bxa5 24. Nh4 Rxe2 25. Qxe2 Bg4 26. Bf3 Be6 27. Bc6 Qe7 28. Qe4 Bh3 29. Qxe7 Bxe7 $11 {[%mdl 4096] Endgame KBB-KBN} 30. Nf3 Bd6 31. Nd2 Bc7 {The position is equal.} 32. Ne4 Bb6 33. f4 Kf8 34. Nf2 Bc8 35. Kg2 f5 36. h4 Ke7 37. Bf3 a4 38. a3 Ba5 39. Nd1 {[#]} Bb4 $1 {[%mdl 512]} 40. Nb2 ({Not} 40. axb4 $2 a3 $19) 40... Bxa3 41. Nxa4 Kd6 42. b6 axb6 43. Nxb6 Kc7 44. Nxc8 {Accuracy: White = 60%, Black = 62%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "3.3"]
[White "Aronian, Levon"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2772"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,136,27,28,33,39,0,0,0,0,0,0,0,0,0,0,0,0,0,12,12,28,22,7,11,35,39,69,52,102,0,0,0,0,0,0,0,0,0,0,-21,-21,-64,-59,-68,-41,-147,-131,-138,-140,-137,-140,-157,-165,-145,-167,-160,-148,-192,-121,-180,-185,-189,-165,-217,-192,-192,-195,-196,-181,-518,-494,-870,-858,-827,0,-795,-771,-1311,-1158,-1318,-1219,-1303,-1288,-1284,-1323,-952,-6379,-6829,-912,-12832,-12832,-12833,-12833,-12833,-12834,-12834,-12835,-12835,-12835,-12839,-12839,-12840,-12840,-12841,-12841,-12841,-12842,-12842,-12843,-12843,-12842,-12844,-12844,-12842,-12841]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Nbd7 ({Predecessor:} 8... Be7 9. Qd2 O-O 10. O-O-O Nbd7 11. a3 b5 12. g4 Nb6 13. g5 Nh5 14. Na5 Rc8 {½-½ (28) Efremov,A (2550)-Matyukhin,S (2503) ICCF email 2013}) 9. g4 Be7 10. Qd2 O-O 11. O-O-O b5 12. g5 Nh5 13. Kb1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Nb6 14. Na5 {Hoping for Nc6.} Rc8 15. a3 {The position is equal.} g6 16. h4 Ng3 {[#]} 17. Rg1 $146 (17. Rh2 Nxf1 18. Rxf1 h5 19. Bxb6 Qxb6 20. Nd5 Bxd5 21. exd5 {½-½ (35) Navara,D (2739)-Wojtaszek,R (2722) Prague 2019}) 17... Nxf1 18. Rgxf1 Na4 $1 {[%cal Ra4c3]} 19. Nxa4 bxa4 20. h5 Qd7 21. Rh1 Rfe8 $1 22. Qh2 Bf8 $1 23. Bd2 Rc7 24. Bb4 Rb8 25. Rd3 Qb5 26. Rc3 (26. c4 $1 $16 {[%cal Rc4b5]} Qb6 27. c5 $1 {[%mdl 512]} dxc5 28. Bc3) 26... Rbc8 $11 27. Rxc7 Rxc7 28. Rd1 Rd7 29. Rd3 Be7 (29... Qb6 {is interesting.} 30. hxg6 fxg6 31. Rc3 Rc7 32. Rd3 Be7) 30. hxg6 fxg6 $40 {[%mdl 128] White needs to defend precisely.} 31. Qd2 Qb6 32. Qc1 Bd8 33. c4 Qf2 $1 34. Nc6 (34. Bd2 $15) 34... Bxg5 $1 $17 {[%mdl 64] Deflection} 35. Qxg5 Qf1+ {[%mdl 64] Double Attack} 36. Kc2 {aiming for Nxe5!} Bxc4 37. Qe3 {Strongly threatening Nxe5!} Bxd3+ ({Stronger than} 37... Rc7 38. Rxd6 Bb3+ 39. Kc3 $11) 38. Qxd3 Qxd3+ 39. Kxd3 h5 $1 40. Ke3 Kf7 (40... Rc7 $19 41. Nb8 h4 42. Bxd6 {[%mdl 64] Double Attack} Rc2 43. Bxe5 h3 44. Nxa6 Kf7) 41. Bc3 (41. Ba5 $17 {was called for.}) 41... Ke6 $19 42. Nb4 g5 $1 43. Kf2 (43. Nd3 $142) 43... g4 {Played: Rd7-f7} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "3.4"]
[White "Nepomniachtchi, Ian"]
[Black "Anand, Viswanathan"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "2773"]
[BlackElo "2757"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,43,5,17,17,44,0,0,-7,-7,-32,-18,-6,-7,0,0,0,0,0,0,-6,14,29,72,82,96,86,401,371,477,476,488,483,492,468,500,487]} 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 $146 (5... d6 6. O-O O-O 7. d4 exd4 8. Nxd4 Re8 9. b3 Nbd7 10. Bb2 Ne5 11. h3 a6 12. e3 Bd7 13. g4 h6 14. Nf5 Nfxg4 15. hxg4 h5 16. Ne4 Nxg4 17. Nxc5 Bxf5 18. Nxb7 {1-0 (18) Lagarde,M (2626)-Gozzoli,Y (2614) Chartres 2019}) 6. Nh4 {A23: English Opening: 1...e5 2 Nc3 Nf6 3 g3 c6} d5 7. d4 Be7 8. cxd5 {The position is equal.} cxd5 9. O-O O-O 10. f3 exf3 11. Rxf3 Nc6 12. Nf5 $36 {[%mdl 2048] White has the initiative.} Ne4 13. Rf1 Bf6 14. e3 Nxc3 15. bxc3 Be6 16. Rb1 Qd7 17. e4 {aiming for Nh6+!} Rfe8 $2 {[%mdl 8192] [#]} (17... Bxf5 $16 {is more resistant.} 18. Rxf5 dxe4 19. Bxe4 Rfe8) 18. Nh6+ $1 $18 {[%mdl 512]} Kh8 {[#] Now ...dxe4 and Black clings on.} (18... gxh6 19. Rxf6) 19. Rxf6 $1 {[%mdl 512] White is clearly winning.} gxf6 {[#]} 20. Qf3 $1 {[%csl LRd5,LRf6][%cal Rf3f6][%mdl 512]} Kg7 21. exd5 Bxd5 22. Nf5+ {Accuracy: White = 74%, Black = 55%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.22"]
[Round "3.5"]
[White "Ding, Liren"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2801"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,162,4,0,-1,2,2,2,3,28,19,48,13,17,17,17,15,4,0,10,18,48,37,46,47,44,46,36,37,47,43,47,58,56,54,67,52,82,61,68,65,90,41,40,8,65,68,74,61,113,36,43,41,58,64,52,22,36,37,44,29,50,50,50,50,50,39,101,72,117,104,120,103,112,0,104,54,44,45,58,56,56,38,38,39,49,54,51,48,59,30,190,180,1189,1152,1189,1142,1054,579,571,410,359,8,8,8,8,8,8,8,8,8,5720,5630,4745,4616,3118,0,2885,0,1693,1607,1534,1223,1154,1154,29960,29962,29962,29963,29962,29964,29964,29965,29967,29969,29967,29970,29970,29971,29971,29972,29972,29972,29973,29974,29974,29975,29989,29984,29983,75,75,0,0,0,0]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Qd2 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7} Nf6 (6... e6 7. b3 Nge7 8. Bb2 O-O 9. h4 d5 10. h5 b6 11. hxg6 hxg6 12. Nf3 d4 13. Ne4 e5 {1-0 (69) Svidler,P (2729)-Gelfand,B (2686) Amsterdam 2019}) 7. b3 O-O 8. Bb2 Rb8 9. e3 Bf5 $146 ({Predecessor:} 9... a6 10. Nge2 Qc7 11. Nf4 e6 12. h4 b5 13. h5 Ne7 {1-0 (40) Fahrner,K (2319)-Koscak,J (1783) Graz 2011}) 10. h3 Nb4 11. e4 Bd7 12. Nge2 a6 13. O-O b5 14. Nd5 Nc6 15. Nxf6+ Bxf6 16. Bxf6 exf6 17. cxb5 axb5 18. d4 cxd4 19. Nxd4 Nxd4 20. Qxd4 Be6 21. Rfd1 Rb6 22. Rd2 b4 23. Rc1 Kg7 24. f4 h5 25. f5 gxf5 26. Rf1 Re8 ({Black should play} 26... fxe4 $11 27. Rdf2 Rb5) 27. exf5 $14 Bd7 28. Qh4 Rh8 ({Better is} 28... Qe7 $14) 29. Bd5 (29. g4 $16) 29... Rb5 30. Kh2 Qe7 {Black wants to play ...Rxd5!} 31. Rff2 Qe3 32. Qf4 Qxf4 33. Rxf4 Rc8 34. g4 $36 {[%mdl 2048] White has good play.} hxg4 35. hxg4 Bc6 36. Bxc6 Rxc6 {[%mdl 4096] Endgame KRR-KRR} 37. Rfd4 Rbb6 (37... Kh6 $1 $14) 38. Kg3 $16 Kf8 39. Kf4 Kg7 40. Ke4 Kf8 41. Kf4 Kg7 42. g5 fxg5+ 43. Kxg5 f6+ 44. Kf4 Kf7 45. Rh2 Rc1 46. Rh7+ Kg8 47. Ra7 Rf1+ 48. Kg4 Rg1+ 49. Kh5 Rg5+ $2 (49... Rg7 $1 $11 50. Ra8+ Kh7) 50. Kh6 $18 Rxf5 $2 (50... Rg2 51. Re4 Rb8) 51. Kg6 {White threatens Ra8+ and mate.} Rfb5 {[#]} 52. Rxd6 $1 {[%cal Rd6d8][%mdl 512]} Rg5+ (52... Rxd6 53. Ra8+) 53. Kxf6 $1 Rxd6+ 54. Kxg5 {KR-KR} Kf8 55. Kf5 $2 (55. Kf4 $1 $18 {[%cal Rf4e3]} Ke8 56. Ke3) 55... Ke8 $1 $11 56. Ke5 (56. Ra5 {feels hotter.} Kd7 57. Ke5 Rc6 58. Kd4 Rc3 59. Rc5) 56... Rd2 57. Ke4 Kd8 $1 58. Ke3 Rh2 59. Kd4 {Black must now prevent Kc4.} Kc8 $2 {[%mdl 8192]} (59... Rc2 $11) 60. Kc5 $18 Kb8 61. Ra4 Kc7 62. Ra7+ Kb8 63. Ra4 Kc7 $1 64. Kxb4 Kb6 65. Ra8 Kb7 66. Ra5 Kb6 67. Rb5+ Ka6 {[#]} 68. a4 $1 Rh4+ 69. Ka3 Rh3 70. Rg5 Kb6 71. a5+ Ka6 72. Ka4 Rh1 73. Rg6+ Kb7 74. a6+ Ka7 75. b4 Rh5 76. b5 Rf5 77. Ka5 Rf8 78. Rg7+ Kb8 79. a7+ $2 (79. Rg5 {mates} Rf1 80. Rg8+ Kc7 81. b6+ Kc6 82. Rc8+ Kd6 83. b7 Ke6 84. b8=Q Ra1+ 85. Kb6 Rb1+ 86. Kc7 Rc1+ 87. Kd8) 79... Ka8 $16 {[#]} 80. b6 (80. Rg6 $1 $16 {aiming for b6.} Kxa7 81. Rg7+ Kb8 82. Ka6) 80... Rf5+ $11 81. Ka6 Ra5+ $1 82. Kxa5 {Accuracy: White = 58%, Black = 46%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "4.1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2722"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,31,29,10,18,0,26,34,43,4,11,18,29,11,8,8,10,9,15,15,8,11,1,-37,-44,-29,-11,-8,-12,-11,-15,-23,-36,-50,-9,-19,-18,-10,-18,-19,-19,-18,-18,-18,-18,-18,-16,-17,-15,-10,-13,-15,-8]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 Nc6 6. Bf4 {E61: King's Indian: Early deviations for White, including Smyslov System} (6. Nf3 d5 7. cxd5 Nxd5 8. O-O e5 9. Nxd5 e4 10. Nd2 Qxd5 11. e3 f5 12. b3 Be6 13. Ba3 Rfd8 14. Rc1 Qd7 15. Qc2 Rac8 16. Rfd1 {0-1 (91) Duda,J (2737)-Grischuk,A (2766) chess.com INT 2018}) 6... d6 7. Nf3 Bf5 8. d5 $146 {White has an edge.} ({Predecessor:} 8. Rc1 Ne4 9. Nd5 e5 10. Be3 Nf6 11. dxe5 dxe5 12. Bg5 Be6 13. e4 Kh8 14. Qb3 b6 {1-0 (48) Tadic,B (2473)-Maksimovic,B (2289) Nova Gorica 2019}) 8... Na5 9. Nd2 {Hoping for b4.} c5 10. e4 Bg4 11. Qc2 a6 12. h3 Bd7 13. Rb1 b5 14. b3 e5 15. dxe6 Bxe6 {[%cal Rb5c4]} 16. cxb5 axb5 17. Nxb5 Nc6 $1 18. O-O (18. Bxd6 Nb4 $17) 18... Nb4 19. Qd1 {[#] a3 is the strong threat.} Rxa2 20. Bxd6 Qd7 {And now ...Rd8 would win.} 21. e5 Ne8 22. Nc3 {The position is equal.} Nxd6 23. Nxa2 Nxa2 24. exd6 {Strongly threatening Ne4.} Nc3 {[%mdl 64] [#] Double Attack} 25. Qc2 Nxb1 26. Rxb1 Qxd6 27. Ne4 $1 {[%cal Re4d6]} Bf5 28. Nxd6 Bxc2 29. Rc1 Bxb3 30. Rxc5 Rd8 {Accuracy: White = 78%, Black = 84%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "4.2"]
[White "Anand, Viswanathan"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2757"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,20,14,22,20,49,29,40,9,17,11,9,0,7,0,0,-8,0,0,0,-10,-10,-9,0,0,0,0,0,5,13,0,0,0,0,-10,0,0,0,0,12,0,0,0,0,0,0,-10,0,-22,-20,-93,-101,-91,0,0,43,43,227,219,218,227,227,208,450,450,446,444,616,678,695,697,648,699,642,638,708,700,4627,4172,29967,29970,29976,29977,29977,29978,29980,29981,29981,29982]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O 6. c3 d6 7. Re1 Bb6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} (7... a6 8. a4 Ba7 9. Nbd2 Ng4 10. Re2 Kh8 11. h3 f5 12. Nf1 fxe4 13. dxe4 Nh6 14. Re1 Qf6 15. Ng3 Bxh3 {0-1 (62) Alekseenko,K (2671)-Ding,L (2811) Khanty-Mansiysk 2019}) (7... a6 8. a4 Ba7 9. h3 Kh8 10. d4 h6 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd8 Rxd8 14. Nd2 Kg8 15. Nf3 {½-½ (31) Anand,V (2771)-Aronian,L (2780) Batumi 2018}) 8. h3 Kh8 9. a4 $146 ({Predecessor:} 9. Na3 Qe8 10. Bb3 a6 11. d4 Ba7 12. Bc2 b5 13. Be3 Ng8 14. Rc1 f6 {1-0 (49) Tseshkovsky,V (2530)-Nogueiras Santiago,J (2455) Cienfuegos 1981}) 9... Ng8 {White has an edge.} 10. b4 a6 11. a5 Ba7 12. d4 f5 13. exf5 Bxf5 14. Be3 exd4 15. Nxd4 Bxd4 16. Bxd4 Qg5 17. Re3 {Strongly threatening Rg3.} Nf6 18. Rg3 Qh4 19. Bxf6 Qxf6 20. Nd2 Ne5 21. Bf1 Rae8 22. Re3 Bd7 23. Ne4 Qf4 {And now ...d5! would win.} 24. Ra2 Ng6 25. Qd4 Bc6 {[%cal Re8e4]} 26. Rae2 Re5 27. g3 Qf5 {Threatens to win with ...Rd5.} 28. c4 d5 {[%cal Re5e4]} 29. Nc5 $1 {[%cal Re3e5]} Rxe3 30. Qxe3 dxc4 31. f4 {[#]} (31. Bg2 $1 $11) 31... h5 $1 $17 32. Qd4 h4 ({Better is} 32... Bd5 $17 {White must now prevent ...h4.} 33. Bg2 c6) 33. Ne6 $11 {[%csl Ge6][%cal Rd4g7]} Qf6 34. f5 $40 {[%mdl 128] Qxf6 is the strong threat. White has some attack.} hxg3 $2 (34... c3 $1 $14) 35. Qxf6 $18 Rxf6 36. fxg6 Rxg6 37. Re3 ({Weaker is} 37. Nxc7 g2 $17) 37... b5 $2 (37... c3) 38. axb6 cxb6 39. Bxc4 a5 40. b5 Bd7 {[#]} 41. Nf8 $1 Rd6 42. Nxd7 Rxd7 {[%mdl 4096] Endgame KRB-KR} 43. Re6 Rd4 44. Bf1 Rd2 45. Rxb6 a4 46. Ra6 {White mates.} Ra2 47. Bd3 {[%cal Ra6a8]} g5 48. b6 {[%cal Bb5b6,Bb6b7][%mdl 32]} Rb2 49. Be4 a3 50. b7 {Accuracy: White = 65%, Black = 43%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "4.3"]
[White "Carlsen, Magnus"]
[Black "Nakamura, Hikaru"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2870"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,101,0,-10,61,63,62,53,98,71,81,85,136,138,128,123,142,136,197,191,214,200,214,214,199,197,194,198,205,192,123,120,126,127,117,115,140,139,156,145,129,129,116,91,125,82,87,88,123,114,136,131,172,184,171,174,172,171,163,120,120,116,260,245,286,279,388,321,441,368,373,347,351,346,627,627,637,621,29971,29971,5381,29962,29964,29966,29971,29972,29980,1442,1105,992,6191,5666,2753,2475]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. e4 Nf4 {A28: English Opening: Four Knights Variation} ({Black should play} 6... Nxc3 $11 7. bxc3 Bc5) (6... Nf6 7. Be2 Bc5 8. Be3 Bb6 9. h3 Nh5 10. Qd2 Bxe3 11. fxe3 Ng3 12. Rg1 O-O 13. Bd1 Be6 14. Ba4 {0-1 (42) Kramnik,V (2753)-Grischuk,A (2759) Amsterdam 2019}) 7. Bxf4 $14 exf4 8. d4 $1 Bd6 $146 {White is slightly better.} ({Predecessor:} 8... Bg4 9. Bb5 Bb4 10. d5 a6 11. Bxc6+ bxc6 12. Qd4 Qe7 13. Qxg7 Qxe4+ 14. Kf1 Bxc3 15. bxc3 Bxf3 {1-0 (54) Arnold,M (2505)-Dimitrov,P (2353) Bastia 2011}) 9. h3 O-O 10. a3 a6 ({Better is} 10... Re8) 11. Bc4 Kh8 12. e5 Be7 13. d5 Na5 (13... b5 $16) 14. Ba2 $18 {Strongly threatening b4.} b5 15. O-O f6 16. b4 Nc4 17. Bxc4 $1 bxc4 18. e6 Bb7 19. Qd4 c6 20. Qxc4 {aiming for Rad1.} cxd5 21. Qxf4 Rc8 22. Ne2 {[%cal Bc3e2,Be2d4,Bd4f5][%mdl 32]} Bd6 23. Qe3 a5 24. Ned4 Re8 25. Nf5 Bb8 26. Rac1 Rc4 27. N5d4 axb4 28. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32]} Ba7 29. b5 Bc5 30. Qd3 Qb6 {[%cal Rc4d4]} 31. Rxc4 dxc4 32. Qxc4 Bxf3 33. Nxf3 Rxe6 34. g3 $40 {[%mdl 128] White wants a kill.} Re8 35. Kg2 Rb8 (35... h6 $16 {might work better.}) 36. Rc1 Bf8 37. Nd4 h5 38. Ne6 Ba3 39. Rc3 Bb4 40. Qxb4 Qxe6 {[%mdl 4096] Endgame KQR-KQR} 41. Rc5 Qf7 $2 (41... Kg8 42. Rxh5 Re8) 42. Qf4 Rd8 43. Qe4 {Played: Qf4-f3} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "4.4"]
[White "Harikrishna, Pentala"]
[Black "Nepomniachtchi, Ian"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2731"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,18,27,14,22,22,29,23,20,20,14,-2,21,21,18,18,25,20,29,24,25,31,27,10,16,12,12,0,0,0,0,0,47,38,60,67,54,68,154,133,141,147,141,121,335,326,328,323,395,398,392,393,360,368,465,456]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bd3 Ngf6 6. c3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} b5 7. a4 b4 8. Bc2 {White has an edge.} Bb7 9. Re1 Qc7 10. d3 e6 11. a5 Be7 $146 ({Predecessor:} 11... bxc3 12. bxc3 Be7 {½-½ (62) McShane,L (2672)-Nepomniachtchi,I (2768) Batumi 2018}) 12. h3 O-O 13. Bf4 Rfd8 14. Nbd2 bxc3 15. bxc3 {[%cal Bb2c3,Bc3d4][%mdl 32]} Ne5 16. d4 cxd4 17. cxd4 Rac8 18. Ra2 Nc6 {Strongly threatening ...Nb4.} 19. Qb1 Rb8 20. Bd3 e5 21. Be3 {Hoping for d5.} exd4 22. Nxd4 Ne5 23. Nf5 $1 {Threatens to win with Bb6.} Rdc8 (23... Bd5 $14 24. Bb6 Bxa2 25. Bxc7 (25. Qxa2 Qd7 $16) 25... Bxb1 26. Bxa6 (26. Bxb1 Bf8 $11) (26. Nxe7+ Kf8 $16) 26... Kf8) 24. Bb6 $36 {[%mdl 2048] White is in control.} Qd7 25. Nxe7+ Qxe7 26. Bf1 Nfd7 $2 {[#]} (26... h6 $16 27. Rb2 Nc6) 27. Ba7 $1 $18 Bd5 {[#]} 28. Rc2 $1 ({Not} 28. Bxb8 Bxa2 29. Qxa2 Nxb8 $16) 28... Rxb1 29. Rxc8+ Nf8 30. Rxb1 Bb7 31. Rb8 Bxe4 {[#]} 32. Rxf8+ $1 {[%mdl 512] Accuracy: White = 78%, Black = 63%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "4.5"]
[White "Ding, Liren"]
[Black "So, Wesley"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2801"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,82,7,25,12,20,15,12,12,27,27,23,22,14,11,24,17,22,0,13,20,64,58,72,52,36,17,83,81,77,71,102,100,106,91,95,92,87,50,112,62,60,54,60,0,45,35,42,43,42,42,42,39,31,31,40,28,85,85,83,64,112,-3,-8,-558,-547,-887,-814,-6079,-5562,-5406,-4134,-5210,-608]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 dxc4 7. e3 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations} c5 8. Bxc4 cxd4 9. Nxd4 {The position is equal.} Bd7 $146 ({Predecessor:} 9... O-O 10. O-O Bd7 11. Qb3 Nc6 12. Nxc6 Bxc6 13. Rfd1 Qa5 14. Bb5 Bxb5 15. Nxb5 {½-½ (33) Van Wely,L (2667)-Anand,V (2760) Baden-Baden 2018}) 10. O-O Nc6 11. Nf3 O-O 12. Rc1 Rc8 13. a3 Qb6 14. Na4 Qc7 {White should prevent ...Na5.} 15. b4 a6 16. Bd3 e5 17. Nc5 Rfd8 18. Qb3 Bg4 (18... Bxc5 $1 $11 {keeps the balance.} 19. Bxf6 gxf6 20. Rxc5 Be6) 19. Bxf6 $1 $16 Bxf6 20. Be4 Rd6 21. h3 Bd7 22. Rc2 Be8 23. Rfc1 Rcd8 24. g4 h5 (24... Qe7 $14) 25. Kg2 hxg4 26. hxg4 b6 27. Nd3 (27. Nxa6 $14 Qc8 28. Kg3) 27... Qd7 (27... Qe7 $5 {[%cal Rd6d3]}) 28. Kg3 Rxd3 29. Qxd3 Qxd3 30. Bxd3 Rxd3 31. g5 Be7 {Strongly threatening ...e4.} 32. Rxc6 Bxc6 33. Rxc6 $14 {[%mdl 4096] Endgame KRB-KRN} e4 (33... Rxa3 $11 {remains equal.} 34. Rxb6 (34. Nxe5 b5 $14) 34... e4) 34. Ne5 $16 Bd6 35. Kf4 Rd5 36. Rc8+ (36. g6 $1 $16 fxg6 37. Kxe4 Rxe5+ 38. Kd4) 36... Kh7 $11 37. Re8 $2 {[%mdl 8192] [#]} (37. g6+ $1 $11 fxg6 38. Re8) 37... Rxe5 $1 $19 {Black is clearly winning.} 38. Rxe5 {[#]} f6 $1 39. gxf6 gxf6 {[%mdl 64] Pin} 40. Kxe4 Bxe5 41. Kd5 Bb2 {Accuracy: White = 44%, Black = 53%.} (41... b5 $142 42. Kc5 Bb2) 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "5.1"]
[White "Nepomniachtchi, Ian"]
[Black "Ding, Liren"]
[Result "0-1"]
[ECO "C91"]
[WhiteElo "2773"]
[BlackElo "2801"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,94,10,3,10,12,21,0,0,0,0,0,8,-11,-1,-17,-16,-39,-45,-38,-42,-41,-43,-97,-102,-101,-99,-115,-120,-131,-111,-105,-108,-98,-42,-59,-51,-68,-43,-111,-121,-175,-172,-175,-112,-165,-164,-149,-145,-170,-161,-243,-233,-239,-167,-167,-163,-237,-231,-229,-229,-225,-191,-237,-168,-166,-162,-1411,-1357]} 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 10. Be3 exd4 11. cxd4 Na5 12. Bc2 Nc4 13. Bc1 c5 14. b3 Nb6 15. Nbd2 Rc8 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4} (15... Nfd7 16. h3 Bh5 17. a4 bxa4 18. bxa4 a5 19. dxc5 Nxc5 20. Rb1 Re8 21. Rb5 Qc7 22. Bb2 Bf8 23. Qa1 Bg6 {½-½ (88) Nisipeanu,L (2656)-Svidler,P (2729) Khanty-Mansiysk 2019}) 16. h3 Bh5 17. a4 cxd4 {The position is equal.} 18. axb5 axb5 19. Bb2 Nbd7 $146 ({Predecessor:} 19... Nfd7 20. Qb1 Bg6 21. Nxd4 d5 22. Re2 dxe4 23. Bxe4 {1-0 (40) Van der Wiel,J (2522)-Doggers,P (2252) Hoogeveen 2006}) 20. Bxd4 Ne5 21. Bb1 Nfd7 22. Qe2 Bf6 23. g4 Bg6 24. Qxb5 h5 25. Ra7 (25. Qd5 $15) 25... hxg4 $17 26. hxg4 {[#]} Nc6 $1 {[%mdl 64] Double Attack} 27. Ra4 Nxd4 28. Nxd4 Nc5 {...Rb8 is the strong threat.} 29. Rc4 Rb8 30. Qc6 Re8 (30... Bxd4 $17 31. Rxd4 Rb6) 31. e5 {Hoping for Bxg6.} Bxb1 ({Don't blunder} 31... Bxe5 $2 32. Bxg6 Bh2+ 33. Kf1 $18 (33. Kxh2 $2 Qh4+ {[%mdl 64] Double Attack} 34. Kg2 Qxg4+ {[%mdl 64] Double Attack} 35. Kh2 Qh4+ 36. Kg2 Qg4+ {[%mdl 64] Double Attack} 37. Kh2 Qh4+ 38. Kg2 Rxe1 $19)) ({Much worse is} 31... Rxe5 $6 32. Rxe5 Bxb1 33. Rd5 $14) 32. Rxb1 Bxe5 33. N4f3 (33. Qf3 $15) 33... Nd3 $36 {[%mdl 2048] White must now prevent ...d5. Black is really pushing.} 34. g5 (34. Qc7 $17 {is a better defense.}) 34... d5 $19 35. Rh4 {White wants to play Qc2.} g6 (35... Nf4 $19 36. Re1 (36. Qc2 $2 Ng6 $19) 36... Rc8) 36. Qa6 (36. Rd1 $17) 36... Nc5 37. Qf1 Bg7 38. Qh3 Ne4 {Strongly threatening ...Nxd2.} 39. Kg2 (39. Re1 $142) 39... Nxg5 40. Qh2 Nxf3 {[%mdl 64] [#] Discovered Attack} 41. Nxf3 Re4 42. Rd1 (42. Rh1 $142 Rxh4 43. Qxh4) 42... Rxh4 43. Qxh4 Bf6 44. Qa4 Qd6 45. Rc1 d4 {Threatens to win with ...Qe6.} 46. Qc6 Qf4 {aiming for ...Qg4+.} 47. Qd7 $2 (47. Qc7 Qg4+ 48. Qg3 Qxg3+ 49. fxg3) 47... Qxc1 {Accuracy: White = 28%, Black = 69%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "5.2"]
[White "So, Wesley"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2760"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,1,7,6,0,5,19,21,22,10,6,10,11,0,7,-8,14,0,3,0,8,0,8,5,10,0,4,0,0,-24,-22,-31,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,99,0,0,0,0,0,0,0,0,0,0,0,320,320,320,0,0,0,320,0,0,0,280,0,0,0,313,313,299,297,279,216,29970,29970,29983,29984]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O Nd4 6. Nxd4 Bxd4 7. c3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Bb6 8. Ba4 O-O 9. Bg5 {The position is equal.} h6 10. Bh4 g5 11. Bg3 d6 12. Nd2 Bg4 13. Qe1 {[#]} Be6 $146 ({Predecessor:} 13... Nh5 14. Bd1 Bxd1 15. Qxd1 Nxg3 16. hxg3 {½-½ (47) Caruana,F (2828)-Robson,R (2667) chess.com INT 2019}) 14. Kh1 Nh5 15. Bb3 Qd7 16. Qe2 Bg4 17. f3 Be6 18. Nc4 Kg7 19. Nxb6 axb6 20. d4 {Black must now prevent d5.} Bxb3 21. axb3 f6 22. Bf2 Nf4 23. Qc2 h5 24. Be3 h4 25. Bxf4 exf4 26. h3 Rfe8 27. Kh2 Rxa1 28. Rxa1 $11 {[%mdl 4096] Endgame KQR-KQR} d5 29. Re1 b5 30. Re2 c6 31. Qd3 Re6 32. c4 dxe4 33. Rxe4 Rxe4 34. Qxe4 bxc4 35. bxc4 {KQ-KQ} Qd6 36. c5 Qd7 37. b4 Qf7 38. Qf5 Qe7 (38... Kh6 $11) 39. Qe4 (39. d5 $16) 39... Qf7 40. Qe2 Qd7 41. Qd3 Kf8 42. Qe4 Kg7 43. b5 cxb5 44. d5 b4 $2 {[%mdl 8192] [#]} (44... Qc7 $11) 45. d6 $1 $18 b3 {[#]} 46. Qb4 $2 (46. Qd3 $1 $18 f5 47. Qxb3) 46... Qf7 $11 47. Qd4 Qd7 $2 {[%mdl 8192]} (47... Qe6 $1 $11 {and Black stays safe.}) 48. Qd5 $2 ({White should try} 48. Qd1 $18 b2 49. Qb3) 48... Qf7 $1 {[%cal Rf7d5]} 49. Qd4 Qe8 $2 {[%mdl 8192]} (49... Qd7 $11 {and Black is okay.}) 50. Qb4 $2 ({Only move:} 50. d7 $18 Qd8 51. Qd5 {[%mdl 64] Double Attack}) 50... Qf7 51. Qd2 Qd7 $2 {[%mdl 8192]} (51... Qe6 $11) 52. Qd3 $18 b2 53. Qb3 Qc6 54. Qxb2 Kf7 $2 (54... Kg6 $18 55. Qa2 Qd7 56. Qg8+ Kf5) 55. Qb3+ Kg6 56. Qd3+ {Accuracy: White = 73%, Black = 46%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "5.3"]
[White "Nakamura, Hikaru"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2741"]
[BlackElo "2757"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,14,6,8,8,8,20,9,13,15,18,9,19,19,37,27,43,38,41,50,52,37,63,59,81,83,71,50,84,84,75,52,57,38,69,68,75,66,99,116,99,49,61,0,0,0,0,0,58,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O Nd4 6. Be3 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} (6. Nxd4 Bxd4 7. Ba4 O-O 8. c3 Bb6 9. Bg5 h6 10. Bh4 d6 11. Nd2 Bg4 12. Qe1 Be6 13. Bb3 Bxb3 14. axb3 Qe7 15. Nc4 Qe6 16. Bxf6 {½-½ (16) Karjakin,S (2748)-Giri,A (2779) Riga 2019}) 6... Nxf3+ 7. Qxf3 Qe7 8. c3 $146 ({Predecessor:} 8. Bc4 Bxe3 9. Qxe3 O-O 10. Nd2 d6 11. f4 Ng4 12. Qg3 exf4 13. Rxf4 {0-1 (69) Grinberg,E (2472)-Raznikov,D (2494) Dallas 2018}) 8... Bxe3 9. Qxe3 c6 10. Ba4 O-O 11. Nd2 d5 12. Rfe1 d4 {[%mdl 64] [#] Decoy} 13. cxd4 Qb4 14. Bb3 exd4 15. Qe2 Nd7 16. f4 Nc5 17. f5 Nxb3 18. axb3 c5 19. Rf1 f6 20. g4 Bd7 21. Qg2 a5 22. g5 Kh8 23. Rf3 fxg5 24. Qxg5 {Black must now prevent Rg3.} Qb6 25. Kh1 (25. Qe7 {is more complex.} Qd8 26. Qxd8 Rfxd8 27. Nc4 Bc6 28. Rxa5 Rxa5 29. Nxa5 Ra8 30. Nc4) 25... Qf6 26. Qg2 ({White should play} 26. Qf4 $14) 26... g6 $11 27. fxg6 Qxg6 28. Rg3 Qe6 (28... Qh6 $11) 29. Nf3 (29. Rg1 $1 $14 Qf6 30. Rg5) 29... Rg8 {The position is equal.} ({Avoid the trap} 29... Qxb3 $2 30. Rg7 $18) 30. Rg1 {[#] Strongly threatening Ne5!} Rxg3 31. Qxg3 {[%csl Gg1][%cal Rg3g7]} Rg8 32. Ng5 {Intending Qe5+! and mate.} Qe7 33. Qe5+ Rg7 34. Ne6 Bxe6 35. Rxg7 Qxg7 36. Qxe6 {[%mdl 4096] Endgame And now Qc8+ would win. KQ-KQ} Qg5 37. Qc8+ Kg7 38. Qxb7+ Kg6 39. Qc6+ Kh5 40. Qe8+ Kh4 41. Qf7 Qc1+ 42. Kg2 Qg5+ 43. Kh1 Qc1+ 44. Kg2 Qg5+ {Accuracy: White = 74%, Black = 68%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "5.4"]
[White "Giri, Anish"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2776"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,110,12,14,31,16,20,8,9,0,8,0,16,7,20,7,0,0,16,0,0,0,0,0,0,0,15,0,0,0,0,-12,-19,-77,-75,-84,-73,-84,-76,-82,-38,-77,-35,-44,-42,-39,-18,-65,-83,-97,-97,-67,-87,-103,-102,-125,-146,-278,-230,-237,-237,-300,-271,-408,-402,-585,-568,-609,-543,-29973,-29973,-29977,-12838,-29983,-29984,-29984,-29985,-12845,-12837,-12837,-12838,-12838,-12839,-12839,-12839,-29985,-12838,-29986,-12839,-12839,-12840,-12840,-12841,-12843,-12843,-12844,-12844,-12845,-12845,-12845,-12845,-12845,-12845]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 bxc6 6. Re1 Qc7 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (6... Nh6 7. c3 O-O 8. d4 cxd4 9. cxd4 d5 10. e5 f6 11. exf6 exf6 12. Nbd2 Re8 13. Nb3 Rxe1+ 14. Qxe1 Nf5 15. Bd2 Bd7 16. Nc5 Qc7 17. Rc1 Re8 {½-½ (48) Aronian,L (2758)-Le,Q (2708) Khanty-Mansiysk 2019}) 7. h3 d6 8. c3 Nf6 {The position is equal.} 9. d4 cxd4 10. cxd4 O-O 11. Nc3 Bb7 12. e5 $146 ({Predecessor:} 12. Bf4 Nd7 13. Rc1 Qb6 14. Qd2 Rfd8 15. d5 Nf6 16. dxc6 Bxc6 {½-½ (55) Hajek,O (2061)-Zeman,R (1845) Brno 2014}) 12... dxe5 13. dxe5 Rfd8 14. Qc2 (14. Qa4 {is interesting.} Nh5 15. g4 c5 16. Ne4 Qc8 17. Qc4) 14... Nd5 15. Nxd5 Rxd5 16. e6 {next exf7+ is good for White.} f6 17. Be3 a5 18. Bc5 Ba6 19. Rac1 Bh6 20. Be3 Bxe3 21. Rxe3 (21. fxe3 $11 {remains equal.} Rd6 22. e4) 21... c5 $17 22. Rd1 Rad8 23. Rxd5 Rxd5 24. Qa4 {Intending Qe8+ and mate.} Qd8 25. Re1 Kg7 26. Qc6 $1 {[%cal Rc6a6]} Bd3 27. Nd2 g5 28. Nb3 c4 29. Nc5 {Hoping for Nb7.} Qd6 30. Qxd6 Rxd6 {[%mdl 4096] Endgame KRB-KRN} 31. Rd1 f5 32. f3 Rd5 33. Nxd3 (33. Na4 $17) 33... cxd3 {KR-KR} 34. Kf2 f4 $1 35. Ke1 Re5+ $1 36. Kf1 (36. Kd2 $142 Re2+ {[%mdl 64] Double Attack} 37. Kxd3 Rxg2 38. Rd2 Rxd2+ 39. Kxd2) 36... Re3 $1 $19 37. Re1 (37. b3 $142 Kf6 38. Rb1) 37... Kf6 $1 38. Kf2 Rxe6 39. Rxe6+ Kxe6 {KP-KP} 40. Ke1 Kd5 41. b3 Kd4 42. Kd2 e5 43. a3 h6 44. b4 {[#]} a4 $1 45. Kd1 Kc4 46. Kd2 h5 47. Kd1 {[#]} Kd4 (47... g4 $142 $1 {[%mdl 512]} 48. hxg4 (48. fxg4 e4) 48... hxg4 49. b5 e4 50. b6 gxf3 51. gxf3 exf3 52. Ke1 Kc3 53. Kf2 d2 54. Kxf3 d1=Q+ 55. Kxf4 Qd4+ 56. Kf5 Qxb6 57. Ke5 Kd3 58. Kd5 Qf6 59. Kc5 Qe6 60. Kb4 Qc6 61. Ka5 Qb7 62. Kxa4 Kc4 63. Ka5 Qb5#) 48. Kd2 h4 (48... e4 $142 49. fxe4 g4 50. e5 gxh3 {[%mdl 64] Overworked Piece} 51. gxh3 f3 52. e6 f2 53. e7 f1=Q 54. e8=Q Qf2+ 55. Kd1 Qc2+ 56. Ke1 d2+ 57. Kf2 d1=Q+ 58. Kg3 Qc7+ 59. Qe5+ Qxe5+ 60. Kg2 Qde2+ 61. Kh1 Q5h2#) 49. b5 {Black is clearly winning.} Kc5 50. Kxd3 Kxb5 51. Ke4 Kc4 52. Kxe5 Kb3 53. Kd4 Kxa3 54. Kc3 Ka2 {( -> ...Ka3)} 55. Kc2 a3 {Accuracy: White = 24%, Black = 71%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "5.5"]
[White "Aronian, Levon"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2772"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,147,19,22,31,24,36,19,48,43,48,44,45,49,42,50,52,43,39,35,35,33,39,39,44,37,47,37,36,44,42,31,50,44,45,45,65,62,96,75,173,171,214,200,207,212,198,208,208,195,210,119,115,115,115,115,121,86,202,213,273,268,349,344,337,338,308,299,280,258,297,284,299,299,283,297,268,235,270,204,211,215,212,210,201,181,237,237,218,175,222,217,424,422,408,337,321,197,408,408,407,407,425,415,386,297,353,329,594,587,1550,483,532,237,1200,1259,29969,29970,29970,29972,29982,29973,29990,92]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. d3 Bf5 14. Qf3 Qh4 {C89: Closed Ruy Lopez: Marshall Attack} 15. g3 Qh3 16. Bxd5 cxd5 {The position is equal.} 17. Qxd5 Rad8 {With the idea ...Bxg3.} 18. Qg2 Qxg2+ 19. Kxg2 Bxd3 20. Be3 Rfe8 21. Nd2 b4 22. Bb6 {[#]} Rc8 $146 ({Predecessor:} 22... Rxe1 23. Rxe1 {½-½ (38) Shirov,A (2755)-Leko,P (2753) Morelia/Linares 2008}) 23. Ba5 bxc3 24. Bxc3 f6 25. Rad1 Bf8 26. f3 Kf7 27. Ne4 Red8 28. g4 Bc4 29. a3 Bb3 30. Rc1 Rb8 31. h4 Be7 32. h5 Rb5 {[#]} (32... Bd5 $16) 33. Bb4 $1 $18 Bxb4 34. Rc7+ (34. axb4 $6 Kf8 $16) 34... Kf8 35. axb4 Re5 {[#]} 36. h6 $1 {[%mdl 512]} gxh6 37. Rh1 (37. Rxh7 $6 Bc2 $16) 37... f5 {[#]} 38. gxf5 (38. Nc5 $1 $18) 38... Rxf5 $16 39. Rxh6 ({Much worse is} 39. Rxh7 $6 Bd1 $11) 39... Rf7 40. Rc3 Bd5 41. Nc5 Rb8 (41... Kg8 $16) 42. Rd6 $18 ({Worse is} 42. Rxa6 Rxb4 43. b3 Rb5 $14) 42... Ba2 43. Rxa6 Bb1 44. b5 {[%cal Bb4b5,Bb5b6][%mdl 32]} Bf5 45. b6 Rf6 46. Rb3 Rg6+ 47. Kf2 Bc8 48. b7 Rxb7 49. Rxb7 {Intending Rb8! and mate.} (49. Nxb7 Rxa6 50. Nc5 Rc6 $16) 49... Rxa6 50. Rxh7 {[%mdl 4096] Endgame KRB-KRN} ({Not} 50. Nxa6 Bxb7 51. Nc5 Bc6 $14) 50... Rc6 51. b4 Bf5 52. Rh4 Ke7 53. Ke3 Rb6 54. Rd4 Bh3 55. Nd3 Bf5 (55... Rb7 {was worth a try.} 56. Ke4 Rb8) 56. Nf4 {And now Nd5+ would win.} Rb8 57. Kd2 Kf6 58. Kc3 Ra8 $2 (58... Rc8+ 59. Rc4 Rf8) 59. Nd5+ Kg7 60. Rf4 Be6 61. Ne7 Ra3+ $2 (61... Rb8 62. Nf5+ Kg6) 62. Kd4 Bh3 63. Nc6 Rb3 64. Kc5 Bf1 65. Ne5 Rc3+ 66. Kd6 Rb3 $2 (66... Rc8 67. Nc6 Rh8) 67. Ke7 Bh3 68. Rd4 (68. Rh4 $142 Bf5 69. Rh5 Rxb4 70. Rxf5) 68... Re3 69. f4 (69. Rd5 $142) 69... Bf1 $2 (69... Rb3 70. Rd3 Rxd3) 70. Rd1 Bh3 71. Rg1+ {White mates.} Kh7 72. Rg5 Bf1 73. Kf6 Re4 74. Rh5+ {Accuracy: White = 83%, Black = 33%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "6.1"]
[White "So, Wesley"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2760"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,58,23,8,27,12,29,27,28,35,32,16,33,31,27,12,46,24,29,0,0,-21,8,8,27,25,9,16,65,85,84,10,50,41,84,95,39,38,35,31,37,24,38,27,43,20,93,91,75]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e5 7. Nb3 Be7 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (7... Be6 8. f4 g6 9. Be2 Nbd7 10. g4 Rc8 11. f5 Bxb3 12. axb3 Rxc3 13. bxc3 Nxe4 14. O-O Qh4 15. Bf3 gxf5 16. Bxe4 fxe4 {½-½ (53) Caruana,F (2818)-Vachier Lagrave,M (2778) Saint Louis 2019}) 8. Be3 Be6 9. f4 exf4 {White has an edge.} 10. Bxf4 Nc6 11. Qe2 Ne5 12. O-O-O {[#] Black must now prevent Bxe5.} Nfd7 13. Kb1 O-O 14. Qe3 Rc8 {[#]} 15. Be2 $146 ({Predecessor:} 15. g4 Re8 {0-1 (33) Sengupta,D (2551)-Areshchenko,A (2654) Warsaw 2016}) 15... Qc7 16. Rhf1 Nb6 17. Qg3 Na4 {[%cal Ra4c3]} 18. Bd2 b5 19. Nd4 Qc5 20. Nxa4 bxa4 21. Qc3 (21. Bxa6 $16 Ra8 22. Nxe6 fxe6 23. Rxf8+ Kxf8 24. Be2) 21... Qa7 22. Qe3 $1 $40 {[%mdl 128] Black needs to defend precisely.} Bc4 23. Nf5 Qb7 (23... Qxe3 $16 24. Nxe7+ (24. Bxe3 Rfe8 $14) 24... Kh8 25. Bxe3 {[%mdl 64] Discovered Attack} Bxe2) 24. Bb4 Bxe2 25. Qxe2 Nc4 26. Nxe7+ Qxe7 27. Rd4 Qe6 28. b3 axb3 (28... a5 $11 {remains equal.}) 29. cxb3 $16 a5 {Accuracy: White = 78%, Black = 51%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "6.2"]
[White "Anand, Viswanathan"]
[Black "Giri, Anish"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2757"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,104,14,22,20,34,31,16,8,10,13,16,15,8,14,18,15,14,4,17,0,0,0,0,0,0,0,0,6,0,0,0,-18,-12,-17,-25,-31,-13,-58,-29,-43,-42,-54,-49,-55,-53,-48,-31,-36,-31,-35,-37,-45,-41,-43,-39,-74,-16,-10,0,0,0,-110,-111,-114,-114,-114,-116,-123,-117,-115,-111,-179,-143,-184,-168,-263,-264,-241,-247,-275,-233,-397,-254,-398,-398,-392,-392,-377,-377,-542,-530,-825,-825,-735,-647]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 8. Re1 $146 ({Predecessor:} 8. Nbd2 O-O 9. Re1 h6 10. Nf1 Re8 11. h3 Be6 12. Bxe6 Rxe6 13. b4 d5 14. Qc2 {½-½ (48) Wang,H (2735)-Leko,P (2674) Hengshui 2019}) 8... O-O 9. h3 {The position is equal.} h6 (9... Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 d5 13. Bb2 Nh5 14. b5 Nf4 15. bxc6 {½-½ (31) Anand,V (2757)-Giri,A (2776) Bucharest 2019}) 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Nf1 d5 15. Ng3 Rd8 16. Bb2 b5 17. axb5 axb5 18. Rad1 dxe4 19. dxe4 Rd6 {[%cal Rd6d1]} 20. Rxd6 cxd6 21. Bc1 Ne7 22. Be3 Bxe3 23. Rxe3 Qc6 24. Rd3 {Black should prevent Nxe5!} Ra8 25. Qd1 Ra6 26. Re3 g6 27. Nd2 Kg7 28. Nb3 Qc7 29. Nf1 Ra3 30. Nfd2 Nh5 31. Qf1 Qd7 32. Re1 Nf4 33. Kh2 Qc6 (33... Ng8 $17) 34. c4 $11 bxc4 35. Na5 Qc7 {[#] ...c3 is the strong threat.} 36. Qxc4 (36. Naxc4 $11 Rc3 37. Rc1 Rxc1 38. Qxc1) 36... Qb6 $36 {[%mdl 2048] Black is really pushing.} 37. Rf1 Ra4 38. Qc3 Rxb4 39. Nac4 Qc5 40. g3 Ne6 41. f4 (41. Kg2 $17) 41... Nd4 42. Qd3 exf4 43. gxf4 (43. Rxf4 $142 Nec6 44. Qf1) 43... d5 $19 44. Ne3 dxe4 45. Nxe4 Qc6 46. Ng3 $2 {[#]} (46. Rf2) 46... Kh7 47. Qe4 (47. Ne4 {was necessary.}) 47... Rb2+ 48. Ng2 Qxe4 49. Nxe4 Nef5 50. Nf6+ (50. Kg1 $142) 50... Kg7 {Black is clearly winning.} 51. Nd5 Nh4 52. Nde3 Nxg2 {Accuracy: White = 44%, Black = 87%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "6.3"]
[White "Vidit, Santosh Gujrathi"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2722"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,148,56,58,25,27,21,30,12,22,0,0,14,16,31,27,27,32,33,25,27,63,64,66,68,84,37,54,47,69,72,100,100,100,100,97,90,90,90,90,90,90,90,91,90,90,90,90,90,90,90,90,90,90,90,90,73,80,80,80,73,73,73,80,73,73,73,73,73,73,73,73,73,73,0,0,0,2,0,0,0,0,0,45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. dxc5 {D32: Tarrasch Defence: Sidelines and lines without g3} (7. Bxf6 Qxf6 8. e4 cxd4 9. Bb5+ Nc6 10. Nxd5 Qd8 11. O-O a6 12. Bxc6+ bxc6 13. Nf4 Bc4 14. Qc2 Bd6 15. Qxc4 Bxf4 16. Qxc6+ {1-0 (23) Sarana,A (2625)-Drazic,S (2370) Skopje 2019}) 7... Bxc5 8. e3 O-O 9. Be2 {White has an edge.} h6 10. Bh4 Nc6 11. O-O Rc8 12. Rc1 Be7 13. Nd4 a6 14. Nxc6 $146 ({Predecessor:} 14. Na4 Nxd4 15. Qxd4 Rxc1 16. Rxc1 {0-1 (38) Rajlich,I (2085)-Zeng,P Szeged 1994}) 14... Rxc6 15. Bf3 Rc4 16. Bxf6 $1 Bxf6 17. Nxd5 Rxc1 18. Nxf6+ Qxf6 19. Qxc1 Bxa2 20. Bxb7 Rb8 21. Qc7 Qd8 22. Rc1 Bc4 23. Qxc4 Rxb7 $16 {[%mdl 4096] Endgame KQR-KQR} 24. b4 Qf8 25. Qxa6 Rxb4 26. h3 {[#] And now Rc8 would win.} Rb8 27. Qc4 Qd6 28. Qg4 (28. Qe4 {keeps more tension.} h5 29. Rc6 Qd7 30. Rc4 g6 31. Qf4) 28... g6 29. Rc8+ Rxc8 30. Qxc8+ {KQ-KQ} Kg7 31. Qc3+ Kg8 32. Qd4 Qe6 33. g4 Qc6 34. Qf4 Kg7 35. Kh2 Qb5 36. Qd4+ Kg8 37. Qe4 h5 38. Kg2 hxg4 39. hxg4 Kg7 40. Qd4+ Kg8 41. Kg3 Qb8+ 42. f4 ({White should play} 42. Kh3 $16) 42... g5 $1 $11 43. Qe5 gxf4+ $1 44. exf4 (44. Kxf4 {is more complex.} Qb4+ 45. Kg5 Qb6 46. Kh5 Qg6+ 47. Kh4) 44... Qb6 45. Kh4 Qh6+ 46. Kg3 Qb6 47. g5 Qg1+ {The position is equal.} 48. Kf3 Qf1+ 49. Ke3 Qe1+ 50. Kd4 Qb4+ 51. Kd3 Qb1+ 52. Kc4 Qd1 53. Kc5 Qd8 54. Qd6 Qc8+ 55. Kd4 Qc1 56. Ke5 Qc3+ 57. Kf5 Qc8+ 58. Kf6 Qc3+ 59. Ke7 {[#] Threatens to win with Qb8+.} Qe3+ 60. Kd8 Qe4 61. Qb8 f6 62. gxf6 {Intending Qb3+ and mate.} Kf7 63. Qe5 Qa8+ 64. Kc7 Qa7+ 65. Kd6 Qb6+ 66. Kd5 {Qe7+ would kill now.} Qxf6 67. Qh5+ Kg7 68. Qg4+ Kf8 69. Qc8+ Kg7 70. Qd7+ (70. Qb8 {with more complications.} Qf7+ 71. Kd4 Qd7+ 72. Kc3 Qc6+ 73. Kd2) 70... Qf7+ 71. Qxf7+ Kxf7 72. Ke5 {White wants to mate with Kf5.} Ke7 73. f5 Kf7 74. f6 Kf8 {Accuracy: White = 58%, Black = 82%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "6.4"]
[White "Harikrishna, Pentala"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2731"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,76,34,0,10,0,0,0,18,11,12,23,18,22,14,18,29,35,26,31,31,33,33,39,34,29,24,10,15,0,29,14,16,-25,-22,-45,-11,-11,-8,-39,-42,-77,-60,-56,-61,-54,-54,-56,-58,-59,0,-174,-162,-173,-182,-608,-634,-1094,-1088,-1089,-1017,-29991,-29992,-29992,-29993,-29993,-29994,-29994,-29995]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 6. Ne5 {[%mdl 1024] White has compensation.} Bb4+ {E04: Open Catalan: 5 Nf3} (6... c5 7. Be3 Nd5 8. Nc3 Nxe3 9. fxe3 Nd7 10. Nxc4 Be7 11. dxc5 Bxc5 12. Nd6+ Bxd6 13. Qxd6 Qe7 14. Qd4 Nf6 15. O-O O-O {½-½ (64) Onischuk,A (2681)-Bruzon Batista,L (2673) Saint Louis 2018}) 7. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 32] Black must now prevent Qa4+.} Nd5 8. O-O {Hoping for Nxd5.} O-O {The position is equal.} 9. Ne4 b5 10. b3 cxb3 11. axb3 Bb7 12. Nd3 Be7 $146 ({Predecessor:} 12... Nd7 13. Nxb4 Nxb4 14. Ba3 {½-½ (29) Ruefenacht,M (2510)-Mahnke,R (2534) GER email 2015}) 13. Nec5 Bc6 14. Bb2 Nf6 15. e4 Bxc5 16. Nxc5 Nbd7 17. Nxd7 Nxd7 18. Bc3 Bb7 19. Ba5 Qe7 20. Rc1 Rfc8 21. Qd2 c5 22. Rfd1 cxd4 {...e5 is the strong threat.} 23. Qxd4 {Strongly threatening Rxc8+.} Nf8 24. h4 (24. Bc3 {seems wilder.} f6 25. Bb4 e5 26. Bxe7 exd4 27. Rxc8 Rxc8 28. Bb4) 24... e5 25. Qb6 Ne6 26. Rxc8+ Rxc8 27. Rd6 h6 28. Bb4 Qc7 29. Kh2 Nd4 (29... Qxb6 $15 30. Rxb6 Rc7) 30. f4 $2 {[#]} (30. Qxc7 $11 Rxc7 31. Rd8+ Kh7 32. Bd6) 30... f6 $1 $19 31. fxe5 fxe5 32. Rg6 $2 (32. Bc5) 32... Qf7 {Threatens to win with ...Rc2!} 33. h5 {[#] If White can now play Bc5 this consolidates a bit.} Rc2 $1 34. Qd8+ Kh7 {( -> ...Rxg2+!)} 35. Bf8 {[#]} Rxg2+ $1 {[%mdl 512] Black mates.} 36. Kh3 {[#]} (36. Kxg2 Bxe4+) 36... Rh2+ $1 {[%mdl 576] Decoy} 37. Kxh2 Qf2+ 38. Kh3 Qf1+ {Accuracy: White = 52%, Black = 82%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.23"]
[Round "6.5"]
[White "Ding, Liren"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "2801"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,41,15,50,60,45,56,43,33,38,41,64,18,59,0,0,8,0,0,0,0,7,0,0,0,0,0,0,3,0,-12]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 O-O 7. Ngf3 c6 8. O-O {E11: Bogo-Indian} b6 (8... Nbd7 9. Rc1 b6 10. cxd5 cxd5 11. a4 Re8 {½-½ (11) Sumets,A (2569)-Bogdanovich,S (2574) Konya 2017}) 9. Qc2 Ba6 10. Rfd1 {White is slightly better.} Nbd7 11. Rac1 Rc8 $146 ({Predecessor:} 11... Qe7 12. a3 Rac8 13. e4 dxc4 14. Nxc4 Bxc4 15. Qxc4 Nxe4 {½-½ (59) Kanevskaya,A (2105)-Vasilevich,I (2258) Moscow 2018}) 12. e3 h6 13. cxd5 (13. Ne5 $14) 13... cxd5 $11 {The position is equal.} 14. Qa4 Be2 15. Re1 {[#] And now Rxc8 would win.} Rxc1 16. Rxc1 Qb8 17. Qc6 Ba6 {Threatens to win with ...Rc8.} 18. Qc7 Rc8 19. Qxb8 Nxb8 20. Rxc8+ Bxc8 21. Ne5 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "7.1"]
[White "Aronian, Levon"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2772"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,86,12,0,-6,-13,28,9,30,0,0,0,-3,-36,4,-22,-13,-29,-14,-18,-18,-18,-22,-18,-20,-38,-16,-25,-24,-26,0,0,0,-17,-27,-30,17,16,14,12,15,0,5,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Bd7 10. b3 Kc8 11. Bb2 h6 12. h3 b6 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 13. Rad1 Ne7 (13... c5 14. Nd5 a5 15. Rd3 Ne7 16. Ne3 Be6 17. Nd2 a4 18. f4 axb3 19. axb3 Ra2 20. Rb1 {½-½ (70) Aronian,L (2765)-Dominguez Perez,L (2763) Saint Louis 2019}) 14. Ne2 Ng6 15. Ne1 h5 16. Nd3 {[#]} a5 $146 ({Predecessor:} 16... h4 17. Ndf4 Nxf4 18. Nxf4 Bf5 19. Rfe1 Rh6 20. c4 {0-1 (65) Zapata,A (2425)-Shimanov,A (2639) Greensboro 2016}) 17. a4 Be7 18. Rfe1 Nf8 19. Ndf4 Bg5 20. e6 Nxe6 21. Nxe6 Bxe6 22. Bxg7 Rg8 23. Be5 c5 {next ...Bf5 is good for Black.} 24. Bf4 Bf6 25. Ng3 h4 26. Ne4 Be7 27. Nc3 c6 28. Kh2 Ra7 29. Ne4 {The position is equal.} Rd7 30. Rxd7 Kxd7 31. Rd1+ Kc8 32. c4 Rd8 33. Rxd8+ Kxd8 $11 {[%mdl 4096] Endgame KBB-KBN} 34. g4 hxg3+ 35. Kxg3 Kd7 36. Bd2 f5 37. Nc3 Bf6 38. Kf3 Bf7 39. Ke2 Bh5+ 40. f3 Bg6 41. Kd3 Bh5 42. Ke2 Bg6 43. Kd3 Bh5 {Accuracy: White = 63%, Black = 66%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "7.2"]
[White "Nepomniachtchi, Ian"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2773"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,119,-2,-9,-20,-8,-24,-29,-8,-44,-21,-39,8,10,14,14,13,8,7,2,68,27,25,-4,-8,-57,-20,-45,0,-3,0,0,0,0,0,0,8,0,0,0,0,0,0,0,65,49,67,55,62,0,0,0,25,0,0,0,0,0,0,0,0,0,0,0,56,55,392,382,445,445,429,422,420,412,350,366,918,870,992,910,992,932,973,897,858,840,718,679,1345,793,628,720,740,470,468,392,2445,1950,12510,12242,29962,29964,29969,29969,29966,29966,5509,1769]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 Qe6 {C45: Scotch Game} 9. Nd2 a5 10. Nf3 $146 ({Predecessor:} 10. g3 Nb4 11. Nf3 Ba6 12. c4 c5 13. Bf4 Qg6 14. Rc1 Bb7 15. a3 Qe4 16. Rc3 Qb1+ 17. Rc1 Qe4 18. Rc3 Qb1+ 19. Rc1 {½-½ (19) Vocaturo,D (2612)-Sargissian,G (2681) Helsingor 2019}) 10... Ba6 {Black has an edge.} 11. c4 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 Nb6 $1 14. b3 c5 15. O-O-O Bb7 16. Bd3 h6 (16... Bxf3 $11 17. gxf3 O-O) 17. Qe3 Qe7 $1 18. a4 d5 19. cxd5 Nxd5 20. Qe4 $1 O-O-O {aiming for ...Nc3.} (20... c4 $5 21. Qxc4 Qa3+ 22. Kd2 O-O $11) 21. Bc4 {[%cal Rc4d5]} Nc3 22. Qf5+ Kb8 23. Rxd8+ Rxd8 24. Re1 Nd5 25. Rd1 g6 26. Qd3 Rd7 27. Bb5 c6 {[#] White must now prevent ...Nb6.} 28. Bc4 Nb6 (28... Bc8 $11) 29. Qc3 $14 Rxd1+ 30. Kxd1 Nxc4 31. Qxc4 ({White should try} 31. bxc4 $14 Qd8+ 32. Qd2 Qxd2+ 33. Nxd2) 31... Bc8 $11 32. Qc3 Be6 33. Kc1 Kb7 34. g3 c4 35. bxc4 Qc5 36. Nd2 Qxf2 37. Nb3 Kc8 38. Nxa5 Qc5 (38... Qe2 $11) 39. Kb2 $14 Kc7 $2 {[%mdl 8192] [#]} ({Black should play} 39... Qf2+ $14 40. Ka3 Qc5+ 41. Qb4 Qe3+ 42. Nb3 Qd3) 40. Nb3 $18 Qxc4 41. Qxc4 Bxc4 {[%mdl 4096] Endgame KB-KN} 42. Kc3 Bd5 43. Nc5 Kb6 44. Kb4 h5 $2 (44... Bg2 45. a5+ Ka7) 45. a5+ Ka7 46. Kc3 Ba2 47. Kd4 Bd5 48. Ke3 Ba2 49. Kf4 Bd5 50. Kg5 Ba2 51. Kf6 Bd5 52. Ke7 Ba2 53. Kd6 Bd5 54. Nd3 Be4 $2 (54... Kb7 55. Nb4 Bf3) 55. Nb4 Kb7 56. Kc5 Bg2 57. a6+ Ka7 58. Nxc6+ Kxa6 59. Nd8 Bh3 60. Kd6 {Accuracy: White = 67%, Black = 41%.} (60. Nxf7 $142 Bd7 61. Kd6) 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "7.3"]
[White "Carlsen, Magnus"]
[Black "Anand, Viswanathan"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2870"]
[BlackElo "2757"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,77,12,9,23,8,22,-13,-10,-16,-12,-15,0,0,13,12,8,0,7,0,0,0,17,19,10,0,0,7,39,37,167,156,68,14,68,43,210,200,418,414,363,232,270,125,123,110,166,160,238,175,179,139,190,189,219,190,187,167,200,185,370,330,29989,29990,29991,29992,29992,29993]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bg5 h6 7. Bh4 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (7... Nbd7 8. e3 g5 9. Bg3 Ne4 10. Nd2 Nxg3 11. hxg3 c6 12. Qc2 Kf8 13. Bd3 Kg7 14. O-O-O Nf6 15. Nf3 {½-½ (57) Carlsen,M (2855)-Anand,V (2770) Leuven 2016}) 8. e3 Bf5 9. Nd2 (9. Be2 Nbd7 10. Qb3 Ba5 11. O-O c6 12. Ne5 Qb6 13. Nxd7 Nxd7 14. Rfc1 Qxb3 15. axb3 {½-½ (26) Giri,A (2797)-Navara,D (2739) Shamkir 2019}) 9... g5 {The position is equal.} 10. Bg3 $1 c5 11. a3 $1 {[%cal Ra3b4]} Bxc3 12. bxc3 c4 13. h4 {[#]} g4 $146 ({Predecessor:} 13... Nbd7 14. Be2 Kg7 15. Qc1 {0-1 (35) Urkedal,F (2552)-Hammer,J (2631) Sarpsborg 2018}) 14. h5 Nbd7 {[%cal Bb8d7,Bd7b6,Bb6a4][%mdl 32]} 15. Bf4 Qa5 16. Qc1 Nb6 17. Bxh6 Na4 18. Bxf8 Rxf8 19. f3 {Black should prevent e4!} Re8 20. Kf2 $1 b5 (20... Nxc3 $14 21. e4 {[%mdl 64] Deflection} dxe4 22. Nxc4 Qd5 23. Qg5+ {[%mdl 64] Double Attack} (23. Qxc3 exf3 24. gxf3 gxf3 $18) 23... Kh7) 21. e4 $1 $18 dxe4 22. Nxc4 (22. Nxe4 $14 Nxe4+ 23. fxe4 Bxe4 24. Rh4 (24. Qg5+ Kh7 $16) 24... Qxc3 25. Rxg4+ Kh7 26. Qxc3 Nxc3 27. Rc1) 22... bxc4 $11 23. Qg5+ {[%mdl 64] Double Attack} Kh7 $2 ({Black should play} 23... Kf8 $14) 24. Qxf6 $18 {h6 would kill now.} e3+ $2 (24... Be6) 25. Kg1 {White wants to mate with h6.} Be6 26. d5 ({Not} 26. h6 Rg8 $16) 26... Qxd5 {[#]} 27. Re1 ({Weaker is} 27. h6 Rg8 $11) (27. fxg4 $1 $18 {and the rest is easy. Strongly threatening g5.} Qd2 28. g5) 27... Qd2 $16 {( -> ...Qf2+)} 28. Re2 Qc1 (28... Qd3 $16 29. h6 Qxc3) 29. Qd4 $18 ({Don't do} 29. h6 $6 Rg8 $14) 29... gxf3 (29... Nxc3 $16 {was called for.} 30. Rxe3 Nd5) 30. Qxe3 $40 {[%mdl 128] Black is in trouble.} Qxc3 31. gxf3 {Black must now prevent Qe4+.} Rg8+ (31... Qxe3+ $16 32. Rxe3 Rd8) 32. Kf2 {Hoping for Qxc3.} Qg7 {[%csl Gg8][%cal Rg7g3]} 33. Qe4+ Kh6 {Black wants to play ...Qg3+.} 34. Qf4+ Kh7 {[#]} 35. Qe5 $1 Qh6 $2 (35... Qxe5 36. Rxe5 Rc8) 36. Rg1 Rc8 $2 (36... Rxg1 $18 37. Kxg1 Qg7+ 38. Kf2 Kh6 39. Qf4+ Qg5 40. Qxg5+ Kxg5 41. Re5+ Kh6) 37. Qe4+ {White mates.} Kh8 38. Qd4+ {[%mdl 64] Double Attack} Kh7 {[#]} 39. Rxe6 $1 {[%mdl 512] Accuracy: White = 60%, Black = 32%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "7.4"]
[White "Giri, Anish"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2776"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,200,2,0,23,22,19,7,0,13,10,7,13,0,15,0,0,0,0,0,50,49,37,33,57,59,73,78,53,50,53,37,63,63,106,82,64,72,72,79,91,79,77,60,108,45,48,47,44,43,130,133,124,118,162,161,167,168,162,160,136,143,168,115,243,252,270,262,321,317,403,404,403,391,383,389,389,365,654,660,691,619,327,0,571,568,675,675,673,674,576,575,509,0,546,0,519,522,497,491,456,434,414,335,308,64,66,79,85,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Bd6 {E05: Open Catalan: 5 Nf3 Be7} (10... Ra7 {with more complications.} 11. Rc1 Be4 12. Qb3 Nc6 13. e3 Qa8) (10... Be4 11. Qc1 c6 12. a4 Nbd7 13. Nc3 Bg6 14. Nh4 Bh5 15. h3 Nd5 16. axb5 axb5 17. Nxd5 cxd5 18. Bf3 Bxf3 19. Nxf3 {½-½ (54) Sjugirov,S (2662)-Radjabov,T (2758) Khanty-Mansiysk 2019}) 11. Bg5 Nbd7 12. Bxf6 Nxf6 13. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Rc8 14. Nb3 Be4 15. Qc3 Qe7 {[#]} 16. Nc5 $146 ({Predecessor:} 16. Rac1 Nd7 17. Qe3 f5 18. Ne5 Bxg2 19. Kxg2 Bxe5 20. dxe5 {0-1 (40) Bauer,C (2571)-Bologan,V (2652) Belfort 2002}) 16... Nd5 17. Qa3 Bxc5 18. dxc5 a5 19. Qxa5 Qxc5 20. Rfc1 Qd6 21. Qxb5 Rb8 22. Qa4 Bxf3 23. Bxf3 Rxb2 24. Qa5 h6 25. a4 c6 26. Qc5 Qxc5 27. Rxc5 Nb4 28. a5 Ra8 29. Rc4 Ra6 30. Be4 f5 31. Rb1 (31. Bg2 $1 $16) 31... Rxb1+ $14 32. Bxb1 {[%mdl 4096] Endgame KRB-KRN} Nd5 33. Rc5 Nc7 (33... Nb4 $14) 34. Bd3 $16 Nb5 35. Bc4 Kf8 36. Bxe6 Ke7 37. Bxf5 Kd6 38. Rc1 Rxa5 39. f4 c5 40. Rd1+ Ke7 (40... Kc6 $16) 41. Rd7+ $18 Kf6 42. Bd3 Nd4 43. Kf2 g5 44. Rd6+ Ke7 45. Rxh6 gxf4 46. gxf4 Ra4 {If Black can now play ...c4 this consolidates a bit.} 47. Ke3 Ra3 $2 (47... Ne6 48. f5 Nd8) 48. Ke4 Ra2 49. Kd5 Rd2 50. Ke4 $2 ({Weaker is} 50. Kxc5 Nxe2 51. Bxe2 Rxe2 $16) (50. Rh7+ $18 Kf6 51. Ke4 (51. Kxc5 Nxe2 52. Rh6+ Kg7 $16)) 50... Rb2 $2 {[%mdl 8192]} (50... Ra2 $1 $11) 51. e3 Ne6 52. Bc4 Nf8 53. h4 Rc2 54. Kd3 Rh2 55. Ke4 Rc2 $1 56. Kd3 Rh2 57. Bd5 Nd7 58. Rh7+ Kd6 59. Bf3 Nf6 60. Rf7 c4+ {[#]} 61. Kxc4 $2 ({White must play} 61. Kd4 $1 $18 Ke6 62. Rg7) 61... Ke6 $14 62. Rg7 {Threatens to win with Bg4+.} Rh3 {[#]} 63. Bb7 (63. Bg2 $1 $16 {[%cal Rg2h3]} Rxe3 64. Kd4) 63... Rxe3 $11 {The position is equal.} 64. Kd4 Ra3 65. Bc8+ Kd6 66. Bb7 Ra4+ 67. Ke3 {aiming for Rg6.} Rxf4 {[%mdl 64] Decoy} 68. Kxf4 {Kf5 would kill now.} Nh5+ 69. Kg5 (69. Kf5 {is more complex.}) 69... Nxg7 {KB-KN} 70. Kg6 Ne6 71. Kf6 Nf4 $1 72. Bf3 Kd7 73. Kf7 Kd6 74. Bg4 Ke5 75. Kg7 Kd5 76. Kf6 Kd6 77. Bd1 Nd5+ 78. Kf7 {Hoping for h5.} Nf4 79. Ba4 Ke5 80. Bd7 Kd6 81. Bg4 Ke5 82. Bc8 Kd6 83. Kf6 Nd5+ 84. Kf7 {Black must now prevent h5.} Nf4 85. Bf5 Ke5 86. Bg4 Kd6 87. Bf3 Ke5 88. Bb7 Kd6 89. Kf6 Nh5+ 90. Kf7 Nf4 91. Be4 Ke5 92. Bf3 Kd6 93. Kf6 Kd7 94. Be4 Ke8 95. Kg7 Ke7 96. Bf3 Ne6+ 97. Kg8 Kf6 98. h5 Kg5 99. Kh7 Nf8+ 100. Kg7 Ne6+ {Accuracy: White = 66%, Black = 58%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "7.5"]
[White "Nakamura, Hikaru"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2741"]
[BlackElo "2801"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,12,23,8,12,12,6,8,18,25,21,24,22,24,19,0,0,0,0,-22,4,0,0,-35,-4,-8,-10,-8,-6,-19,0,-31,-18,-29,-30,-27,-9,-18,0,0,0,0,0,0,0,0,18,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 Bd7 9. c3 {C84: Closed Ruy Lopez: Unusual White 6th moves} Na5 (9... O-O 10. Bc2 h6 11. Re1 Re8 12. Nbd2 Bf8 13. Nf1 b4 14. Bd2 bxc3 15. bxc3 Na5 16. d4 c6 17. Rb1 Qc7 18. Ne3 Rab8 19. c4 Ng4 20. dxe5 Rxb1 21. Bxb1 Nxe5 {½-½ (31) Kryvoruchko,Y (2669)-Tomashevsky,E (2718) Mali Losinj 2019}) 10. Bc2 c5 11. d4 cxd4 12. cxd4 exd4 13. Nxd4 O-O 14. Nc3 {[%cal Ra4b5]} b4 $146 ({Predecessor:} 14... Nc6 15. axb5 Nxd4 16. Qxd4 axb5 {½-½ (61) Guo,A (2165)-Kim,Y (2281) Charlotte 2018}) 15. Nce2 Re8 16. Ng3 g6 17. Re1 Bf8 18. Nf3 Bg7 19. Be3 Bg4 20. h3 Bxf3 21. Qxf3 Nd7 22. Rab1 Rc8 23. Qd1 Nc4 24. Bb3 Nxe3 25. Rxe3 Nc5 26. Bd5 {The position is equal.} Qb6 27. b3 Ne6 28. Ne2 Nc7 29. Rf3 Nxd5 30. Qxd5 Rc7 31. Nf4 Qc6 32. Re1 Bc3 33. Rc1 Rxe4 34. Qxc6 Rxc6 35. Nd5 {[#] Hoping for Nf6+.} Kg7 (35... Kf8 {with more complications.} 36. Nxb4 Rxb4 37. Rfxc3 Rxc3 38. Rxc3 d5) 36. Nxc3 bxc3 (36... Re5 {seems wilder.} 37. Kf1 Rec5 38. Ke2 bxc3 39. Rc2 a5) 37. Rfxc3 Rxc3 38. Rxc3 $11 {[%mdl 4096] Endgame KR-KR} Rb4 39. Kf1 d5 40. Rc6 Rxb3 41. Rxa6 Rb2 42. Rd6 Ra2 43. Rxd5 Rxa4 44. g3 {Accuracy: White = 65%, Black = 66%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "8.1"]
[White "Ding, Liren"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2801"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,69,27,12,17,15,19,19,19,15,22,12,18,18,27,18,18,18,14,13,18,17,24,24,24,24,24,24,24,24,24,24,24,20,20,0,23,0,29,22,18,23,46,0,0,0,0,-5,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Qb3 c5 9. cxd5 exd5 10. dxc5 Bxc3+ 11. Qxc3 Qxc3+ 12. bxc3 Nd7 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 13. Rd1 Nf6 14. Nd4 Bd7 15. f3 Rfc8 16. Nb3 {[#]} Kf8 $146 ({Predecessor:} 16... b6 17. Ba6 Rc7 18. c4 dxc4 19. Bxc4 b5 20. Be2 {½-½ (52) Anton Guijarro,D (2679)-Inarkiev,E (2727) Poikovsky 2017}) 17. Bd3 b6 18. cxb6 axb6 19. Ra1 Rxc3 20. Kd2 Rc7 21. Rhb1 Ba4 22. Nd4 Nd7 23. Rb4 h5 24. h4 Rc5 25. Rab1 g6 26. R1b2 Ke7 27. Ne2 Bc6 28. Nd4 Ba4 29. Ne2 Bc6 30. Nc3 Ra3 31. R2b3 Rxb3 32. Rxb3 Ra5 {The position is equal.} 33. Rb4 Kd6 34. Rb2 Kc7 35. Nb5+ {Accuracy: White = 66%, Black = 82%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "8.2"]
[White "Vidit, Santosh Gujrathi"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2722"]
[BlackElo "2757"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,12,17,3,26,29,28,13,14,18,23,14,18,24,19,-37,0,-6,0,0,0,0,20,27,27,21,14,7,33,15,13,13,13,13,11,12,6,9,16,8,9,9,6,3,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} dxc4 (7... Re8 8. Bd2 a6 9. a3 Bd6 10. Rd1 Bd7 11. h3 h6 12. c5 Bf8 13. Ne5 Nxe5 14. dxe5 Ne4 15. Nxe4 dxe4 {1-0 (93) So,W (2767)-Vidit,S (2718) Khanty-Mansiysk 2019}) 8. Bxc4 Bd6 9. O-O {White has an edge.} e5 10. h3 Bd7 11. Bd2 exd4 12. exd4 Qc8 {White should prevent ...Bxh3!} 13. Nd5 $146 ({Better is} 13. Ne4 $11) ({Predecessor:} 13. Nb5 Bxh3 14. Nxd6 Qg4 15. Ne1 Nxd4 16. f3 Qh4 17. Qd3 cxd6 18. gxh3 {1-0 (31) Mareco,S (2583)-Mekhitarian,K (2487) Santos 2011}) 13... Nxd5 (13... Bxh3 $5 14. Nxf6+ (14. gxh3 $2 Qxh3 15. Qd3 Qg4+ 16. Kh1 Qh3+ 17. Kg1 Nxd5 $19) 14... gxf6 $15) 14. Bxd5 Ne7 15. Bc4 Bf5 16. Qb3 c6 17. Bb4 Bxb4 18. Qxb4 Ng6 19. Rfe1 Qd7 20. Re3 b5 {The position is equal.} 21. Bf1 a5 22. Qc5 Be6 23. a4 bxa4 24. Rxa4 Bd5 25. Ne5 Nxe5 26. dxe5 Qb7 27. b4 axb4 28. Rxb4 {Accuracy: White = 61%, Black = 56%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "8.3"]
[White "Harikrishna, Pentala"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "2731"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,149,20,11,9,9,9,15,18,26,0,20,23,36,38,77,56,58,61,61,19,0,0,26,0,0,0,0,0,0,-10,-7,-10,-13,-27,-28,-30,-22,-46,-43,-41,-43,-58,-56,-54,-53,-52,-49,-79,-78,-84,-91,-95,-95,-95,-95,-95,-95,-110,-97,-97,-97,-112,-112,-112,-112,-112,-75,-141,-145,-153,-154,-225,-224,-203,-206,-218,-230,-320,-225,-355,-353,-314,-314,-386,-271,-526,-435,-431,-441,-435,-385,-663,-533,-666,-594,-979,-408,-427,-408,-408,-408,-384,-368,-281,-46,-254,-54,-54,-41,-582,-602,-554,-576,-345,-18,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Bf4 Nc6 6. e3 Bf5 7. Qb3 Na5 8. Qa4+ {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Bd7 9. Qc2 {next Nb5 is good for White.} e6 10. Bd3 Nc6 11. Qe2 Bb4 $146 ({Predecessor:} 11... Be7 12. h3 Nb4 13. Bb1 Ne4 14. Nf3 a6 {1-0 (35) Rychagov,A (2548)-Dreev,A (2649) Moscow 2018}) 12. Nf3 Nh5 13. Bg5 Qa5 14. O-O h6 15. Bh4 g5 16. Bg3 Nxg3 17. fxg3 g4 18. Nh4 Rg8 19. Rac1 f5 20. a3 Bxc3 $1 21. Rxc3 Ne7 22. Rfc1 Rc8 23. Qf2 Rxc3 24. Rxc3 Qb6 25. h3 h5 $1 26. Kh2 Qd6 27. Qf4 Qxf4 28. gxf4 Nc8 29. g3 Nd6 30. Ng2 Kd8 31. Ne1 Rg7 32. Kg2 Bb5 33. Bxb5 Nxb5 $17 {[%mdl 4096] Endgame KRN-KRN} 34. Rc2 Nd6 35. Nd3 Nc4 36. Re2 Rc7 37. hxg4 hxg4 38. Kf1 Ke7 39. Ke1 Nd6 40. Kd1 (40. Rh2 $142) 40... Ne4 41. Rg2 Kd6 42. Nf2 (42. Rh2 $17) 42... Rh7 $1 $19 43. Ke2 Kc6 44. Kd3 Kb5 45. b3 a5 46. Nxe4 (46. Kc2 {was worth a try.}) 46... dxe4+ {KR-KR} 47. Kc3 Kc6 48. a4 Rh1 49. b4 $2 (49. Rc2 {is a better defense.} Kd7 50. b4) 49... Re1 50. Rc2 {Black must now prevent Kd2+.} Kd6 51. Kd2 Rg1 52. bxa5 $2 (52. Rc4 Rg2+ 53. Ke1) 52... Rg2+ 53. Kd1 Rxg3 54. Rc3 Rf3 (54... Rg1+ $142 55. Ke2 Ra1) 55. Ke2 {intending Rb3.} g3 56. Rc8 Rf2+ 57. Ke1 {[#]} Ra2 $1 {[%cal Ra2a1]} 58. Kf1 Ra3 $2 (58... Rxa4 $19 59. Rd8+ Kc6 60. Rc8+ Kd6 61. Rd8+ Kc6 62. Rc8+ Kd6) 59. Rb8 $2 (59. Rd8+ $1 $15 Kc6 60. Rc8+ Kd5 61. Rc5+ Kd6 62. Rb5) 59... Rxe3 $2 ({Black should play} 59... Rxa4 $19 60. Rxb7 Rxa5) 60. Rxb7 $15 {Hoping for a6.} Ra3 {aiming for ...e3.} 61. Rb4 $2 {[%mdl 8192]} (61. Rb6+ $15 Ke7 62. a6 Rxa4 63. Kg2) 61... e3 62. Rb2 Kd5 63. Kg2 {[#]} Rxa4 $2 ({Not} 63... Kxd4 64. Kxg3 Rxa4 65. Kf3 $17) (63... Ke4 $1 $19 {[%cal Re4f4]} 64. Kxg3 Ra1) 64. Kxg3 $11 {The position is equal.} Ke4 65. Rb6 Ra1 66. Rxe6+ Kd3 67. a6 $1 e2 68. a7 $1 Rxa7 69. Kf2 Rh7 70. Re3+ $1 Kxd4 71. Rxe2 Rh2+ 72. Ke1 Rxe2+ 73. Kxe2 Ke4 74. Kf1 Kxf4 {( -> ...Kf3)} 75. Kf2 {Accuracy: White = 51%, Black = 66%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "8.4"]
[White "So, Wesley"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2760"]
[BlackElo "2741"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,121,18,19,5,9,4,7,-13,-24,-29,-22,-23,-23,-23,-27,-17,-25,-39,-43,-45,-6,-6,-4,-4,-5,-18,-21,-31,0,-11,-9,-13,-12,-19,-19,-27,-27,-27,-27,-27,-26,-26,-26,-27,-27,-40,-39,-40,-41,-50,-50,-76,-72,-89,-83,-76,-76,-86,-64,-64,0,-90,-85,-85,-84,-97,-97,-97,-95,-97,-83,-87,-68,-106,-78,-162,-160,-181,-62,-63,-23,-23,-23,-59,-32,-32,0,-59,-62,-164,-161,-187,-197,-300,-304,-467,-467,-465,-449,-467,-449,-1801,-1703,-1181,-1496,-997,-445,-6079,-4818,-29966]} 1. d4 Nf6 2. Nf3 d5 3. g3 c5 4. Bg2 cxd4 5. O-O Bd7 6. Nxd4 e5 7. Nb3 Be6 8. Bg5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} Nbd7 9. Nc3 {[%cal Rc3d5]} (9. e4 dxe4 10. Bxe4 Qc7 11. Bg2 Be7 12. Nc3 O-O 13. Re1 Rad8 14. Qe2 h6 15. Bxf6 Bxf6 {½-½ (107) Caruana,F (2802)-Nakamura,H (2786) chess.com INT 2017}) 9... Be7 10. Qd3 {The position is equal.} O-O 11. Rad1 {[%cal Rc3d5]} d4 12. Bxf6 Nxf6 13. Ne4 Qc7 14. Nxf6+ Bxf6 15. c3 $146 ({Predecessor:} 15. Be4 h6 {½-½ (38) Krush,I (2444)-Harika,D (2542) Baku 2016}) 15... dxc3 16. Qxc3 Qxc3 17. bxc3 Rac8 18. Bxb7 Rxc3 19. Bd5 Bh3 20. Bg2 Be6 21. Bd5 Bg4 22. Rc1 Rfc8 23. Rxc3 Rxc3 24. Rc1 Rxc1+ 25. Nxc1 $11 {[%mdl 4096] Endgame KBB-KBN} Be7 26. Nd3 Bd6 27. f3 Bd7 28. Kf2 Kf8 29. f4 exf4 30. gxf4 f6 31. e4 Bb5 32. Ke3 Bc7 33. h4 Bb6+ 34. Kd2 g6 35. e5 Ba5+ 36. Ke3 $1 Bb6+ 37. Kd2 fxe5 38. Nxe5 Bf2 39. Bc6 Bf1 40. Be4 Kg7 41. Nf3 Bc4 42. a4 Kf6 43. Ne5 {And now Ng4+ would win.} Be6 44. h5 (44. Nc6 $17) 44... gxh5 $19 45. Bxh7 {[#]} Bd5 ({Black should try} 45... Bb6 $1 $19 {Threatens to win with ...Bf5.} 46. Ke2 Bc7) 46. Kd3 $15 Be1 47. Be4 Bb3 48. Nd7+ Ke7 49. Ne5 Kf6 50. Nd7+ Kg7 51. f5 (51. Nc5 $15 Ba2 52. Ke2) 51... Bb4 $19 52. Bc6 h4 53. Ke4 (53. f6+ $142 Kf7 54. Ne5+ Kxf6 55. Nf3) 53... h3 54. Kf3 (54. Ne5 $142) 54... Bd6 {Black is clearly winning.} 55. a5 Bc4 56. Kf2 Kf7 57. Kf3 (57. Bf3 $142) 57... Ke7 58. f6+ Ke6 59. Kf2 Ba6 (59... Bd3 $142 60. Ke3 Bf1) 60. Ke3 (60. Nb6 $142 axb6 61. axb6) 60... Bc8 61. Nb6 {Accuracy: White = 37%, Black = 70%.} 0-1

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "8.5"]
[White "Nepomniachtchi, Ian"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2773"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,25,0,0,0,-13,-7,-6,-9,-90,-92,-100]} 1. c4 Nf6 2. g3 e6 3. Nf3 d5 4. d4 Be7 5. Bg2 O-O 6. Nc3 Nbd7 {[%cal Bb8d7,Bd7e5,Be5c4][%mdl 32]} 7. b3 dxc4 8. bxc4 c5 9. O-O cxd4 {E06: Closed Catalan: Early deviations} 10. Nxd4 Ne5 11. Rb1 Nxc4 12. Bxb7 (12. Qd3 $11 {remains equal.} Ne5 13. Qd2) 12... Bxb7 $17 13. Rxb7 {[#]} {Predecessor:} Bc5 $146 14. Ndb5 Na5 15. Rc7 Bb6 16. Qxd8 Rfxd8 17. Re7 {0-1 (43) Sjugirov,S (2662)-Shimanov,A (2587) St Petersburg 2019} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "9.1"]
[White "Nakamura, Hikaru"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2741"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,11,15,0,0,0,20,8,4,4,12,11,4,0,12,6,6,5,10,8,10,14,14,0,0,0,2,21,2,0,0,0,0,-30,-29,-27,-31,-25,-25,-52,-52,-48,-44,-50,-52,-40,-30,-56,-26,-21]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 $146 ({Predecessor:} 4. O-O a6 5. Bd3 Ngf6 6. Re1 e6 7. c3 b5 {½-½ (53) Bacrot,E (2692)-Huschenbeth,N (2548) Germany 2017}) 4... Ngf6 5. O-O e6 6. Re1 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} a6 {[#] Strongly threatening ...b5.} 7. c3 b5 8. Bc2 {The position is equal.} c4 9. a4 Bb7 10. d4 cxd3 11. Qxd3 Nc5 12. Qe2 bxa4 13. Be3 Nfd7 14. Bd4 e5 15. Bxc5 Nxc5 16. Rxa4 Be7 17. Ra2 O-O 18. Nbd2 a5 19. Nb3 {White wants to play Nxc5.} Ba6 20. Qd1 Bc4 21. Nfd2 Be6 22. Ra1 Nd7 $36 {[%mdl 2048] White is under pressure.} 23. Nc1 Qb6 24. Bb3 Nc5 25. Bxe6 $1 fxe6 26. Nc4 Qb5 27. Qe2 a4 28. Na2 Rfc8 {[#] aiming for ...Nb3.} (28... Rac8 $5 {[%cal Rc5b3]} 29. Na3 Qxe2 30. Rxe2 Rf4 $15) 29. Na3 $1 {Accuracy: White = 67%, Black = 88%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "9.2"]
[White "Aronian, Levon"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "2772"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,107,35,30,41,20,31,21,22,20,20,37,30,33,40,0,0,0,0,0,0,0,0,-13,0,-21,-12,-16,-15,-15,-14,-33,0,-27,9,3,4,5,5,7,8,0,0,0,0,0,53,0,97,102,147,137,161,147,155,151,287,289,285,266,243,223,369,345,1670,1633,1107,1216,1216,460,587,577,4133,593,12835,12835,12835,12836,12835,12836,12851,12851,12851,12851,12851,0,0,0,0,0,29982,29983,29985,29986,12851,29987]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 Nd5 {C58: Two Knights: 4 Ng5 d5 5 exd5 Na5 sidelines} 9. Nf3 (9. h4 {looks sharper.} Nf4 10. Bf1 h6 11. Nf3 Bd6 12. d3) 9... Bd6 10. O-O O-O {The position is equal.} (10... Nf4 11. Nc3 Nxd3 12. cxd3 O-O 13. b3 c5 14. Ba3 Nc6 15. Ne4 Nb4 16. Bxb4 cxb4 {½-½ (43) Aronian,L (2765)-Ding,L (2805) Saint Louis 2019}) 11. Re1 f5 {aiming for ...e4.} 12. Nxe5 Qf6 $1 13. Nf3 g5 $1 {[%cal Rg5g4] [#]} 14. c4 $146 ({Predecessor:} 14. g3 f4 15. Nc3 fxg3 16. hxg3 Nxc3 17. dxc3 {½-½ (52) Kovalev,V (2639)-Demchenko,A (2660) Riadh 2017}) 14... Nf4 $36 {[%mdl 2048] White is under pressure.} 15. Bf1 {Hoping for d4.} g4 16. d4 gxf3 17. Qxf3 Ne6 $1 {[%cal Re6d4]} 18. c5 Bc7 $1 19. b4 Qxd4 20. Qc3 $1 {[%cal Rc3d4]} Qxc3 21. Nxc3 Nb7 22. Bc4 Re8 23. Bb2 a5 24. b5 Nbxc5 25. Ba3 {[#]} Ne4 $1 26. Nxe4 fxe4 27. b6 Bxb6 {White must now prevent ...Ba6.} 28. Rxe4 Kf7 {And now ...Ba6 would win.} 29. Rae1 Ra7 (29... a4 $11) 30. Kh1 (30. g4 $1 $14) 30... a4 (30... Rd8 $11 {keeps the balance.}) 31. f4 $1 $16 {[%cal Rf4f5] Strongly threatening f5.} Ra5 {[#]} 32. g4 $1 Bc5 {[#]} 33. Bxc5 $1 Rxc5 34. f5 {[%mdl 64] Pin} h5 (34... Rxc4 $16 {was necessary.} 35. Rxc4 Ng7 36. Rxe8 Nxe8) 35. Bxe6+ $18 ({Weaker is} 35. fxe6+ Ke7 $16) 35... Bxe6 36. fxe6+ {[%mdl 4096] Endgame KRR-KRR} Ke7 37. Rxa4 h4 (37... hxg4 $142 38. Rxg4 Rh8 39. Rg7+ Ke8) 38. Rf4 Rc2 $2 (38... h3 39. Rf7+ Kd8) 39. Rf7+ Kd6 40. Rd7+ Kc5 41. Rh7 (41. g5 $142 Rxa2 42. e7) 41... Kd6 42. e7 Rd2 43. Rxh4 (43. g5 $142 c5 44. g6 Rxa2 45. Rf7) 43... Rxe7 {[%cal Re7e1]} 44. Rh6+ Kd7 45. Rxe7+ Kxe7 46. Rxc6 Rxa2 {KR-KR} 47. Rc3 Kf6 48. h4 Ke5 49. Rf3 $2 (49. Rc4 $18 Kf6 50. Kg1) 49... Ra4 $11 50. Rg3 {Kg2 is the strong threat.} Kf4 51. Rg2 Kf3 $2 {[%mdl 8192]} (51... Re4 $11) 52. h5 Kf4 53. g5 Kf5 54. g6 {Accuracy: White = 61%, Black = 45%.} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "9.3"]
[White "Anand, Viswanathan"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2757"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "134"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,134,28,37,4,56,37,40,36,38,21,85,68,70,67,157,156,177,118,120,114,171,195,220,195,195,153,161,162,164,151,162,156,161,96,170,172,170,182,170,156,173,160,180,176,200,156,167,163,187,186,192,198,199,180,184,178,195,214,207,168,165,100,95,60,31,37,64,64,52,28,82,70,68,76,72,68,61,50,60,43,50,50,50,50,115,123,127,43,43,43,29969,29972,29972,29973,29973,405,405,405,405,405,405,405,405,405,405,124,124,124,124,59,59,59,59,59,59,59,59,59,59]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. a3 {B45: Sicilian Four Knights} f5 (10... a5 $11) 11. exf6 $1 $14 Nxf6 12. Nxf6+ gxf6 13. Bd3 Bb7 (13... Bc5 $11 {remains equal.}) 14. Qh5+ $16 {[#]} Kd8 $146 ({Predecessor:} 14... Ke7 15. Bd2 Qxb2 16. Ke2 Qd4 17. Rab1 Bc8 18. c4 {½-½ (43) Cuijpers,F (2480)-Rogers,I (2570) Germany 2004}) 15. Bd2 $36 {[%mdl 2048] [#] Strongly threatening Ba5. White is more active.} c5 (15... Qxb2 $14 16. Ke2 Qd4) 16. O-O-O Kc7 17. Bc3 (17. Bc4 $18) 17... Be7 18. f5 Rae8 (18... e5 $16 {was worth a try.}) 19. fxe6 $18 d5 20. Rhe1 Kb8 21. Qh4 d4 22. Bd2 Bd5 23. Qf4+ Ka8 24. Be4 Qb7 25. Qf3 ({Better is} 25. g3 $18) 25... Rd8 (25... Bxe4 $16 {was called for.} 26. Rxe4 Bd6) 26. Bf4 Bxe4 27. Rxe4 Rd5 28. Qd3 Rc8 29. Qc4 Rdd8 30. Re2 Qd5 31. b3 Qf5 32. g3 Qd5 33. Qxd5+ Rxd5 34. c4 Rdd8 35. Kc2 Rc6 36. Rd3 h5 37. Rf3 Kb7 38. Bd2 Rdd6 39. Kd3 (39. Ref2 $18) 39... Ra6 $16 40. a4 Rdb6 41. Kc2 Rxe6 42. Rxe6 Rxe6 $14 {[%mdl 4096] Endgame KRB-KRB} 43. Rf5 Re2 (43... h4 $11 {keeps the balance.}) 44. Rxh5 $16 {Hoping for Kd3.} Bd6 45. Kd3 Rf2 46. Rh7+ Kc6 47. Rxa7 Rxh2 48. a5 Rh3 49. Ke4 Bxg3 50. Ra6+ Kb7 (50... Kd7 $14) 51. Rxf6 Bh2 52. Rh6 (52. Rf5 $16 Kc6 53. b4 Rh4+ 54. Kd3 Rh3+ 55. Kc2 cxb4 56. Bxb4) 52... Rxh6 $14 53. Bxh6 {Black must now prevent Bf8. KB-KB} Ka6 $2 {[%mdl 8192] [#]} (53... Bd6 $14) 54. Bf8 d3 55. Kxd3 Bg1 56. b4 (56. Bh6 $142 Kxa5 57. Bd2+ Kb6 58. Be3 Bh2 59. b4 Kc6 60. Bxc5 Bg3 61. Be3) 56... cxb4 $18 57. Bxb4 Kb7 58. Bc3 Bc5 59. Ke4 Ka6 60. Kd5 Ba3 61. Be5 $2 (61. Be1 $18 {and White stays clearly on top.} Be7 62. Bd2) 61... Kxa5 $16 62. Bd6 Bb2 63. Kc6 ({White should try} 63. c5 $16 {And now Be7 would win.} Kb5 64. Bc7) 63... Ka6 $14 {White is slightly better.} 64. Bc5 Bc3 65. Ba3 Bd4 66. Bb4 Be3 67. Bc5 Bd2 {Accuracy: White = 51%, Black = 48%.} 1/2-1/2

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "9.4"]
[White "Carlsen, Magnus"]
[Black "Ding, Liren"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2870"]
[BlackElo "2801"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,118,22,20,43,39,34,40,41,35,31,30,33,12,40,19,18,22,28,8,29,22,25,37,38,19,19,20,41,40,41,26,26,25,20,27,26,27,36,12,37,30,39,44,54,6,14,12,7,14,48,51,56,67,118,115,110,84,143,143,249,90,248,236,249,250,245,235,227,227,355,326,561,556,552,552,398,391,391,391,383,349,2958,2227,4706,1000,2392,1024,1991,2349,2099,1763,1206,1164,1420]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 Bf5 14. Qf3 Qh4 {C89: Closed Ruy Lopez: Marshall Attack} 15. g3 Qh3 16. Be3 Bxd3 {White is slightly better.} 17. Bxd5 cxd5 18. Qxd5 {[%mdl 64] Double Attack} Rad8 $1 {aiming for ...Ba3!} 19. Qg2 {[#]} ({Wrong is} 19. Qxd3 $2 Bxg3 20. fxg3 Rxd3 $19) 19... Qc8 $146 (19... Qd7 {feels hotter.} 20. Bb6 Rb8 21. Bd4 b4 22. Nd2 Bb5) ({Predecessor:} 19... Qh5 20. Nd2 Bf5 21. Bd4 Be6 22. Qf3 Qg6 23. Qe4 Qh5 24. Qf3 Qg6 25. Qe4 Qh5 26. Qf3 {½-½ (26) Wang,H (2624)-Jakovenko,D (2735) Nizhnij Novgorod 2007}) 20. Nd2 Bf5 21. Bd4 Rfe8 22. f3 Bf8 (22... b4 {is interesting.} 23. Ne4 Bf8 24. Rac1 bxc3 25. Bxc3 Qa8) 23. a3 Re6 24. Rxe6 Qxe6 25. Qf2 Re8 26. Nf1 h5 27. Ne3 Bh3 28. Re1 Qc6 29. Ng2 Rxe1+ 30. Nxe1 Qg6 31. Qc2 Bf5 32. Qd2 Be6 33. Qd3 Bf5 34. Qe3 Be6 35. Bc5 Bxc5 36. Qxc5 Qb1 37. Qf2 Bd5 38. Kg2 a5 39. Qe2 $36 {[%mdl 2048] White fights for an advantage.} Qf5 (39... g6 $14) 40. Kf2 $16 Be6 41. Nc2 Qh3 ({Black should try} 41... h4) 42. Kg1 Bc4 {[#]} (42... Bb3 $16 {might work better.} 43. Qe8+ Kh7) 43. Qe8+ $1 $18 Kh7 {[%csl Gc4][%cal Rh3f1]} 44. Ne3 Qe6 45. Qxe6 Bxe6 {[%mdl 4096] Endgame KB-KN} 46. b4 axb4 47. axb4 ({Don't take} 47. cxb4 $6 Kg6 $16) 47... g5 (47... Kg6 $142 48. Kg2 Kf6) 48. h4 gxh4 $2 (48... Kg6 49. hxg5 Kxg5 50. f4+ Kf6) 49. gxh4 Kg6 50. Kf2 Kf6 51. Nf1 Ke5 {If Black can now play ...f5 this consolidates a bit.} 52. Ng3 f5 53. Nxh5 f4 $2 {[#]} (53... Bf7 54. Ng3 Be8) 54. Ng7 $1 {[%cal Rg7e6] White is clearly winning.} Bf7 55. h5 Kf6 56. h6 Kg6 {[#]} 57. Nf5 {Played: Ng7-h5} 1-0

[Event "Tata Steel GCT Rapid 2019"]
[Site "Kolkata"]
[Date "2019.11.24"]
[Round "9.5"]
[White "Giri, Anish"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2776"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.11.22"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,68,39,23,22,24,29,33,26,20,20,30,21,20,15,18,15,25,25,25,6,11,7,10,13,0,9,33,29,69,72,22,30,70,72,72,74,92,57,95,73,82,24,32,25,43,0,0,0,11,13,13,0,33]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. O-O Rb8 10. Na3 {E04: Open Catalan: 5 Nf3} O-O 11. Qb5 b6 12. Qxc4 {White is slightly better.} Ba6 13. Nb5 Qe8 14. Rfc1 Nd5 {[#] Threatens to win with ...Na5.} 15. e4 (15. Qxc6 Qxc6 16. Rxc6 Bxb5 17. Rc2 Rfc8 {½-½ (33) So,W (2780)-Caruana,F (2822) Saint Louis 2018}) 15... Na5 16. Nxc7 Bxc4 17. Nxe8 Rfxe8 {[#]} 18. exd5 $146 Bxd5 19. Rc7 Rb7 20. Rac1 Rxc7 21. Rxc7 Nc6 22. Ne5 Nxe5 23. Bxd5 exd5 24. dxe5 $11 {[%mdl 4096] Endgame KR-KR} g5 25. Rxa7 Rxe5 26. Kf1 g4 27. Ra4 h5 28. Rb4 Re6 29. Rb5 (29. Rf4 $16) 29... Rd6 30. Ke2 Kg7 31. Kd3 Rf6 {The position is equal.} 32. Ke2 Re6+ 33. Kd2 Rf6 34. Ke2 Re6+ {Accuracy: White = 58%, Black = 54%.} 1/2-1/2

