[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.25"]
[Round "3"]
[White "Nakamura, Hikaru"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2741"]
[BlackElo "2870"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,16,16,14,20,17,24,0,0,0,10,18,20,18,17,14,10,0,0,7,7,0,0,-19,0,-131,-126,-222,-225,-206,-97,-95,-91,-185,-203,-199,-103,-106,-111,-133,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 b6 6. Bd3 {D30: Queen's Gambit Declined: Systems without Nc3} Bb7 7. O-O Nbd7 (7... Be7 8. e4 dxe4 9. Nxe4 Nbd7 10. Bf4 Nxe4 11. Bxe4 Nf6 12. Bc2 O-O 13. Qe2 c5 14. Rad1 cxd4 15. Be5 Nd7 16. Bxd4 Qc7 17. Ne5 Nxe5 18. Bxe5 Qc6 19. Qg4 g6 20. Rd3 Qe4 21. Qxe4 Bxe4 {½-½ (41) Andreikin,D (2741)-Duda,J (2730) Khanty-Mansiysk 2019}) 8. e4 {White has an edge.} dxe4 9. Nxe4 Nxe4 10. Bxe4 Bd6 11. Qe2 Qc7 12. Bg5 h6 13. Bh4 $146 ({Predecessor:} 13. Bd2 O-O 14. Rfd1 Rfe8 15. Rac1 {1-0 (42) Bellin,J (2163)-Anderson,J (2205) Kilkenny 1999}) 13... O-O 14. Rad1 Rfe8 15. Bg3 Bxg3 16. fxg3 Rad8 17. c5 (17. b4 $11 {remains equal.}) 17... bxc5 $17 {[%cal Bb6c5,Bc5d4][%mdl 32]} 18. g4 (18. Ne5 $17 Nxe5 19. dxe5) 18... cxd4 $1 $19 19. g5 c5 (19... Nc5 $1 $19 20. Bb1 Rd5) 20. gxh6 gxh6 21. Nd2 (21. Bxb7 $17 Qxb7 22. Qd2) 21... f5 22. Qh5 Nf8 ({And not} 22... fxe4 23. Qg6+ Kh8 24. Rf7 $1 {[%mdl 512]} Qxh2+ 25. Kxh2 Rg8 26. Qxh6#) (22... Kg7 $19 {aiming for ...Nf6.} 23. Bxb7 Qxb7) 23. Bxb7 $17 Qxb7 24. Rf3 {[#] Black must now prevent Rg3+.} Kh7 {[#]} (24... Re7 $1 $17 {And now ...Rg7 would win.} 25. Qxh6 Rg7) 25. Ne4 $1 $11 {[%cal Re4f6][%mdl 512] The position is equal.} Re7 ({Not} 25... Qxe4 $2 26. Qf7+ Kh8 27. Rg3 $18) 26. Ng5+ Kg7 27. Rg3 hxg5 28. Qxg5+ Kf7 {Hoping for ...Ke8.} 29. Qh5+ Kf6 30. Qh8+ Kf7 {...Ke8 is the strong threat.} 31. Qh5+ Kf6 32. Qh8+ {Accuracy: White = 46%, Black = 60%.} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.25"]
[Round "5"]
[White "Nakamura, Hikaru"]
[Black "Nepomniachtchi, Ian"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2741"]
[BlackElo "2773"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,89,17,20,4,17,0,15,11,15,13,14,7,13,11,18,-8,-8,-5,-5,-6,0,-5,-2,-9,-10,-10,-9,-8,-12,-18,-17,-16,-16,-16,-9,-6,0,-8,0,0,0,-15,0,0,0,-17,-22,-56,-24,-44,-17,-42,-15,-31,-20,-18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 b6 (5... c5 6. Nf3 cxd4 7. cxd4 Bb4+ 8. Nc3 O-O 9. Bd3 d6 10. O-O Nc6 11. Bb5 Bxc3 12. bxc3 Bd7 13. Re1 Rac8 14. e5 dxe5 15. Nxe5 Rfd8 16. Bxc6 Bxc6 {½-½ (38) Duda,J (2730)-Giri,A (2780) chess.com INT 2019}) 6. g3 {A45: Trompowsky Attack} Bb7 7. Bg2 {White wants to play e5.} Qe7 $146 ({Predecessor:} 7... Qd8 8. Ne2 d6 9. O-O Nd7 10. Nd2 Be7 11. a4 a6 12. Nc4 O-O 13. Qc2 {½-½ (32) Duong,T (2445)-Fogarasi,T (2429) Budapest 2008}) 8. Nd2 g6 9. Ngf3 Bg7 10. O-O O-O 11. Re1 d6 12. e5 Nd7 13. exd6 cxd6 14. a4 a6 {[%cal Ba7a6,Ba6b5,Bb5b4][%mdl 32]} 15. Nh4 Nf6 16. Qe2 Rab8 17. Bxb7 Qxb7 18. Ng2 b5 19. axb5 axb5 20. Ne3 b4 21. c4 Ne4 22. Nf3 f5 23. Ra5 Kh7 24. Rea1 Ra8 25. Nf1 Rxa5 26. Rxa5 Ra8 27. Rxa8 Qxa8 28. b3 Qa1 29. Qe3 g5 {Threatens to win with ...g4.} 30. h3 Qc3 31. Kg2 Kg6 32. g4 {The position is equal.} h5 33. gxh5+ Kh6 $1 34. d5 exd5 35. cxd5 Kxh5 36. Ng3+ Kg6 37. Nxe4 Qxe3 38. fxe3 fxe4 $11 {[%mdl 4096] Endgame KB-KN} 39. Nd2 Kf5 40. Nc4 Be5 41. Na5 Bc3 {Threatening ...Ke5.} 42. Nc4 Be5 43. Kf2 Kf6 44. Na5 Kf5 45. Nc4 {Accuracy: White = 68%, Black = 63%.} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.25"]
[Round "7"]
[White "Nakamura, Hikaru"]
[Black "Anand, Viswanathan"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2741"]
[BlackElo "2757"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeMode "Bronstein"]
[TimeControl "300+3"]

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. O-O {[%emt 0:00:00]} Nd4 {[%emt 0:00:00]} 6. Be3 {[%emt 0:00:00]} Nxf3+ 7. Qxf3 {[%emt 0:00:00]} Bxe3 {[%emt 0:00:00]} 8. Qxe3 {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 9. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:17]} 10. Be2 {[%emt 0:00:03]} Re8 {[%emt 0:00:14]} 11. Nc3 {[%emt 0:00:03]} c6 {[%emt 0:00:16]} 12. dxe5 {[%emt 0:00:21]} dxe5 {[%emt 0:00:03]} 13. Rad1 {[%emt 0:00:03]} Qb6 {[%emt 0:00:03]} 14. Qxb6 {[%emt 0:00:04]} axb6 {[%emt 0:00:03]} 15. a4 {[%emt 0:00:03]} Be6 {[%emt 0:00:03]} 16. b3 {[%emt 0:00:03]} Kf8 {[%emt 0:00:03]} 17. f3 {[%emt 0:00:03]} Ke7 {[%emt 0:00:03]} 18. Kf2 {[%emt 0:00:03]} Red8 {[%emt 0:00:06]} 19. Ke3 {[%emt 0:00:03]} Nd7 {[%emt 0:00:04]} 20. Nb1 {[%emt 0:00:14]} Nc5 {[%emt 0:00:11]} 21. Rxd8 {[%emt 0:00:03]} Kxd8 {[%emt 0:00:06]} 22. Nd2 {[%emt 0:00:07]} Kc7 {[%emt 0:00:03]} 23. g3 {[%emt 0:00:03]} f6 {[%emt 0:00:03]} 24. f4 {[%emt 0:00:04]} Nd7 {[%emt 0:00:09]} 25. h4 {[%emt 0:00:16]} h6 {[%emt 0:00:08]} 26. h5 {[%emt 0:00:05]} Bf7 {[%emt 0:00:07]} 27. Bg4 {[%emt 0:00:07]} Re8 {[%emt 0:00:10]} 28. Bxd7 {[%emt 0:00:24]} Kxd7 {[%emt 0:00:03]} 29. g4 {[%emt 0:00:03]} exf4+ {[%emt 0:00:06]} 30. Kxf4 {[%emt 0:00:03]} Ke7 {[%emt 0:00:04]} 31. Nf3 {[%emt 0:00:04]} Rd8 {[%emt 0:00:03]} 32. Re1 {[%emt 0:00:13]} Be6 {[%emt 0:00:04]} 33. Rg1 {[%emt 0:00:16]} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.25"]
[Round "9"]
[White "Nakamura, Hikaru"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "2741"]
[BlackElo "2722"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,-27,-14,4,-13,-12,-17,1,0,33,0,8,0,29,22,36,14,18,10,23,14,26,8,11,9,12,0,10,0,0,0,0,0,0,0,0,0,0,-10,0,0,0,0,0,-10,4,-4,-7,-6,-7,-22,-11,-14,-8,-24,0,-17,0,-19,0,-33]} 1. d4 Nf6 2. Bg5 d5 3. Nc3 c6 4. Qd3 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 5. e4 dxe4 6. Nxe4 Nxe4 7. Qxe4 h6 {D01: Veresov Opening} (7... Qb6 8. b3 Nf6 9. Qd3 g6 10. Bxf6 exf6 11. Qe3+ Be7 12. Bc4 Qa5+ 13. Kf1 b5 14. Bd3 Be6 15. Ne2 {1-0 (55) Graf,F (2488)-Heberla,B (2567) Germany 2014}) 8. Be3 $146 ({Predecessor:} 8. Bh4 g5 9. Bg3 Nf6 10. Qe5 Bg7 11. O-O-O Nh5 12. Qe4 Nxg3 13. hxg3 Qa5 14. Bc4 Bf5 15. Qe3 {0-1 (52) Mladenov,P (2405)-Guichard,P (2342) Condom 2013}) 8... Nf6 9. Qd3 Qa5+ 10. Bd2 Qf5 11. Qb3 Ne4 12. Be3 Qa5+ 13. c3 e6 14. Bd3 Nf6 15. Nf3 Bd6 16. O-O O-O 17. Rae1 Qc7 18. Ne5 c5 19. f4 b6 20. Qc2 Bb7 21. Qe2 Rad8 22. Bc2 cxd4 23. Bxd4 Bc5 24. Bxc5 Qxc5+ 25. Rf2 Rd6 26. Qc4 Rc8 27. Qxc5 Rxc5 28. h3 b5 29. Bb3 a5 30. a3 Ne4 31. Rfe2 Ng3 32. Re3 Nf5 33. R3e2 Ng3 34. Re3 {The position is equal.} Nf5 35. R3e2 Ng3 36. Re3 {Accuracy: White = 64%, Black = 45%.} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.26"]
[Round "10"]
[White "Nakamura, Hikaru"]
[Black "Giri, Anish"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2741"]
[BlackElo "2776"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,106,31,41,41,32,12,10,33,31,4,25,8,20,16,20,0,0,0,30,17,29,17,20,8,20,8,126,121,130,132,196,193,203,188,181,181,178,181,169,105,113,92,144,96,106,118,142,147,291,289,283,183,174,140,138,31,80,0,0,0,0,0,59,57,756,732,742,214,275,218,472,21,21,21,18,15,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 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. Rc1 $146 (10. O-O-O dxc4 11. Bxc4 b5 12. Be2 a6 13. Nxg6 hxg6 14. Ne4 Nxe4 15. fxe4 c5 16. d5 exd5 17. exd5 {½-½ (38) Ding,L (2811)-Shankland,S (2705) chess.com INT 2019}) ({Predecessor:} 10. g3 O-O 11. Nxg6 hxg6 12. Rc1 dxc4 13. Bxc4 {½-½ (32) Lupulescu,C (2609)-Feller,S (2573) Germany 2017}) 10... Nbd7 11. g3 dxc4 12. Bxc4 O-O 13. Nxg6 hxg6 14. O-O e5 15. dxe5 Nxe5 16. Be2 Rad8 17. Rcd1 b5 18. Kg2 a6 19. Qc2 c5 20. e4 b4 (20... Nc6 $11 {remains equal.}) 21. Na4 $16 Nc6 22. Be3 (22. Bxa6 Qa5 $19) 22... Qe5 (22... Nd7 $16 {is a better defense.} 23. Rd2 (23. Nxc5 Nxc5 24. f4 Nb8 $17) (23. Bxa6 Qa7 $16) (23. Bxc5 $2 Nxc5 24. Rc1 Nd4 $19) 23... Qa7) 23. Nxc5 $18 Nd4 24. Bxd4 Rxd4 25. Rxd4 Qxd4 26. Nb3 Qe5 27. Bc4 ({Better is} 27. Rd1 $18) 27... g5 28. Re1 Rd8 (28... a5 $142) 29. Nd2 a5 30. Bb3 Qd4 31. Nc4 Rc8 {[#]} (31... Qc5 $16 32. e5 Nd5) 32. e5 $1 {[%cal Re5f6]} Nd5 {intending ...a4.} 33. Re4 Qc5 34. Qe2 {aiming for Nd6!} Rd8 35. e6 (35. Nd6 $16 {Threatens to win with Nb7.} Bxd6 36. exd6) 35... f6 36. Nd2 ({White should play} 36. Ba4 $16) 36... Nb6 $11 37. Nf1 {[%cal Bd2f1,Bf1e3,Be3f5][%mdl 32]} a4 38. Bc2 $1 Qd5 ({Black should try} 38... g6 $11) 39. Ne3 $14 Qxa2 $2 {[%mdl 8192]} (39... Qd2 $14 40. Nf1 Qc1) 40. Nf5 $18 Kf8 41. Rxb4 $2 (41. Nxe7 Kxe7 42. Qa6 Rd2+ 43. Kh3) 41... Nd5 42. Rb7 {[#] And now Qb5 would win.} ({Less strong is} 42. Rxa4 Qxb2 43. Ra7 Rc8 $16) 42... a3 $2 (42... g6 {might work better.}) 43. Bb3 $2 (43. Qa6 $18) 43... Qxb2 $11 {The position is equal.} 44. Qxb2 axb2 45. Bxd5 Rxd5 46. Nxe7 (46. Rb8+ {feels hotter.} Rd8 47. Rxb2 g6 48. Nh6 Rd6 49. Re2) 46... b1=Q 47. Rxb1 Kxe7 {[%mdl 4096] Endgame KR-KR} 48. Rb6 Rd6 49. Rb7+ Kxe6 50. Rxg7 Rd2+ 51. Kg1 Rd1+ 52. Kg2 Rd2+ 53. Kg1 Ke5 {Accuracy: White = 49%, Black = 49%.} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.26"]
[Round "11"]
[White "Nakamura, Hikaru"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2741"]
[BlackElo "2731"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,71,5,52,29,56,49,57,50,42,48,44,41,67,20,33,35,48,32,42,20,32,19,38,42,74,77,81,74,62,65,129,131,175,185,208,201,197,181,176,185,208,208,234,234,1002,1002,727,726,722,722]} 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 5. Bg2 Nxc3 6. bxc3 Bd6 7. Nf3 O-O 8. O-O Nc6 9. Rb1 Rb8 10. d4 exd4 11. cxd4 Bg4 12. h3 Bh5 13. Rb5 {C47: Scotch Four Knights and Four Knights with 4 g3} (13. c4 Bg6 14. Rb2 Ba3 15. Rxb7 Rxb7 16. Bxa3 Re8 17. Ne5 Nxe5 18. Bxb7 Nxc4 19. Bc5 Qd7 20. Re1 Rxe1+ 21. Qxe1 {1-0 (38) Collins,S (2455)-Kazhgaleyev,M (2594) chess.com INT 2017}) 13... Bg6 14. Nh4 Qd7 15. Nxg6 {White is slightly better.} hxg6 16. c4 b6 $146 ({Predecessor:} 16... a6 17. Rg5 Rfe8 18. h4 b5 19. h5 gxh5 20. Qxh5 Bf8 21. Bd5 Nb4 22. Kg2 Nxd5 23. Rh1 f5 24. Rxf5 {1-0 (24) Bobras,P (2330)-Murawski,G (2275) Krynica 1997}) 17. Be3 Rfe8 18. Qd3 Rbd8 19. Rd1 Ne7 20. g4 c6 21. Rb3 Qc7 22. Qd2 c5 23. Rd3 {dxc5 is the strong threat.} cxd4 24. Rxd4 Bh2+ 25. Kh1 {[%cal Rd4d8]} Rxd4 26. Qxd4 Be5 ({Better is} 26... Nc8 $14) 27. Qd7 $16 Qxd7 28. Rxd7 Nc8 29. Bd5 Ne7 30. Rxa7 Nxd5 31. cxd5 $18 {KRB-KRB} Rd8 32. Bxb6 Rxd5 33. a4 Bd4 $2 (33... Bc3 34. Kg2 f6) 34. Ra8+ {White is clearly winning.} Kh7 {[#]} 35. Rd8 $1 Rxd8 36. Bxd8 {Accuracy: White = 90%, Black = 41%.} 1-0

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.26"]
[Round "13"]
[White "Nakamura, Hikaru"]
[Black "Ding, Liren"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2741"]
[BlackElo "2801"]
[Annotator "TA"]
[PlyCount "162"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,162,0,0,0,2,-12,0,-7,0,0,0,0,1,-16,-6,-12,-12,-12,-12,-12,0,0,0,-12,-8,-8,-6,-8,-10,-72,-83,-68,-76,-116,-122,-115,-90,-83,-54,-97,-91,-92,-44,-40,-43,-55,-83,-86,-87,-91,-98,-200,-93,-95,-44,-41,-33,-94,0,-73,-11,-77,-79,-92,-44,-30,-8,-8,0,0,0,-23,0,0,0,-16,0,-31,0,0,0,0,0,0,0,0,0,0,0,0,-8,-253,-154,-145,-31,-32,-1,-209,-31,-32,-32,-191,-191,-385,-396,-381,-370,-314,-289,-1687,-952,-908,-933,-812,-864,-692,-641,-948,-1550,-1601,-1587,-1177,-945,-1669,-1568,-1673,-1595,-1445,-1247,-1403,-1400,-1223,-835,-1164,-929,-2216,-1994,-1881,-1532,-5405,-8553,-12829,-12840,-5419,-6148,-4610,-8,-8,-8,-8,-8,-8,-8]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. e3 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 Bb7 10. Rd1 Nbd7 11. Ne5 h6 12. Bh4 c5 13. Nxd7 Qxd7 14. Bxf6 gxf6 15. dxc5 Qc7 16. h4 Rfd8 17. Rxd8+ Rxd8 {½-½ (30) Yu,Y (2763)-Ding,L (2811) Khanty-Mansiysk 2019}) 7... b6 8. cxd5 Nxd5 9. Qc2 Bb7 10. e4 $146 ({Predecessor:} 10. Nf3 Nd7 11. Bd3 h6 12. e4 Ne7 13. Be3 c5 14. Rd1 Rc8 {1-0 (31) Le,Q (2706)-Kaufman,R (2341) Saint Louis 2014}) 10... Nf6 11. e5 Nd5 12. Nf3 c5 13. Bd3 h6 14. O-O cxd4 15. Qe2 {Strongly threatening Qe4!} Ne7 $36 {[%mdl 2048] Black has some pressure.} 16. Rd1 Qd5 17. Bc4 Qe4 18. Qxe4 Bxe4 19. Nxd4 Nbc6 {[%cal Bb8c6,Bc6d4,Bd4b3][%mdl 32]} 20. Re1 (20. Nxc6 $11 Nxc6 21. Bf4) 20... Nxd4 $17 21. Rxe4 Rfd8 22. Bf4 Rac8 23. Bf1 Nb3 24. Rae1 Nd2 25. R4e2 Nxf1 26. Kxf1 Nf5 27. Rd2 g5 28. Rxd8+ Rxd8 $15 {[%mdl 4096] Endgame KRB-KRN} 29. Bc1 Kg7 30. h3 Kg6 31. f3 (31. Be3 $17) 31... h5 (31... Rc8 $1 $19 {and Black stays clearly on top.} 32. g4 Nd4) 32. g4 $17 Nh4 (32... Ne7 $17) 33. Kf2 $15 Rd3 34. Be3 (34. Re3 $1 $15 Rd5 35. Re1) 34... Rd5 (34... Rb3 $17 35. Re2 Kh6) 35. Bc1 (35. Rc1 $11) 35... Rc5 (35... Kh6 $17) 36. Be3 (36. Kg3 $11) 36... Rxe5 $17 37. Rc1 Rb5 38. b4 a5 39. Rc4 hxg4 40. hxg4 axb4 41. axb4 f5 42. Rc6 f4 43. Bd2 Kf7 44. Bc3 Rd5 45. Ke2 b5 46. Rc7+ Kg6 47. Rg7+ Kh6 48. Re7 Rd6 49. Bg7+ Kg6 50. Be5 Ra6 {White must now prevent ...Ra3.} 51. Rg7+ (51. Bc3 $11 {remains equal.}) 51... Kh6 {...Ra3 is the strong threat.} 52. Re7 Ra2+ (52... Ra3 $1 $17 {[%cal Ra3e3] And now ...Re3+ would win.} 53. Rxe6+ Kh7) 53. Kd3 $1 $15 Ra3+ 54. Kc2 $2 (54. Bc3 $1 $11) 54... Nxf3 $2 ({Don't play} 54... Rxf3 55. Bg7+ Kg6 56. Bd4 $17) (54... Ra6 $19 55. Rb7 Nxf3 56. Rxb5 Kg6) 55. Rxe6+ Kh7 {Hoping for ...Ra2+.} 56. Bf6 $2 {[#]} ({White should try} 56. Re7+ $15 Kg6 57. Re6+ Kf7 58. Rf6+ Ke7 59. Rf5) 56... Ra2+ $1 $19 57. Kd3 $2 (57. Kc3) 57... Rd2+ 58. Kc3 {White wants to play Bxg5!} Rd5 59. Re2 Kg6 60. Be7 $2 (60. Bh8) 60... Ne5 61. Rg2 Rd3+ 62. Kc2 Rg3 63. Rd2 Nxg4 64. Bc5 Ne3+ 65. Kb1 Nc4 66. Rd8 g4 67. Rg8+ Kf5 68. Rb8 Rb3+ 69. Kc2 Rb2+ 70. Kc3 Re2 71. Rxb5 Ne5 72. Rb8 g3 73. Rg8 g2 74. b5 f3 75. b6 f2 76. Bxf2 Rxf2 {KRN-KR} 77. b7 Nd7 ({Worse is} 77... Ng6 {[#]} 78. Rxg6 $1 {[%mdl 512]} Rf3+ 79. Kb4 $11) 78. Rg7 Rf1 $2 (78... Nb8 $19 79. Rg8 Ke4) 79. Rxg2 $11 {The position is equal.} Rb1 80. Rb2 Rxb2 81. Kxb2 Ke5 {Accuracy: White = 42%, Black = 44%.} 1/2-1/2

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.26"]
[Round "15"]
[White "Nakamura, Hikaru"]
[Black "Aronian, Levon"]
[Result "1-0"]
[ECO "E39"]
[WhiteElo "2741"]
[BlackElo "2772"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,91,6,14,14,20,16,14,0,0,0,12,6,7,10,13,8,34,46,117,110,120,133,132,103,127,85,164,135,181,174,178,188,172,176,255,230,365,369,406,406,406,406,400,370,488,499,499,499,480,391,499,483,533,481,481,0,490,0,465,455,451,444,1060,1024,1197,1092,1136,1060,1309,1228,982,779]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Nf3 Na6 {[%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 7. g3 Nxc5 8. Bg2 Nce4 9. O-O Nxc3 10. bxc3 Be7 11. e4 d6 12. e5 $1 {[%cal Re5f6] E39: Nimzo-Indian: Classical: 4...c5 5 dxc5 0-0} dxe5 13. Nxe5 Qc7 14. Re1 {The position is equal.} (14. Qe2 Nd7 15. Bf4 Nxe5 16. Bxe5 Bd6 17. Rfe1 Rb8 18. Rad1 Bxe5 19. Qxe5 Qxe5 20. Rxe5 b6 21. c5 Ba6 22. c6 {½-½ (43) Nakamura,H (2781)-Caruana,F (2799) London 2017}) 14... Bd6 15. Qe2 Nd7 {[%cal Rd7e5]} 16. Bf4 Bxe5 $146 ({Predecessor:} 16... Nxe5 17. Bxe5 Bxe5 {1-0 (41) Antonsen,M (2444)-Kucuksari,K (2329) Gothenburg 2018}) 17. Bxe5 Nxe5 18. Qxe5 Qxe5 19. Rxe5 Rb8 (19... Rd8 $14) 20. Ra5 $16 Bd7 21. Rxa7 Bc6 22. Bxc6 bxc6 {[%mdl 4096] Endgame KRR-KRR} 23. Ra6 Rfd8 (23... Ra8 $16 24. Rxc6 Ra3) 24. Rxc6 g6 {[#]} 25. c5 $1 Rb5 26. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ra5 27. Rb6 Rxc5 (27... Rc8 $142 28. c6 Kf8) 28. a5 $18 Rxc3 (28... Rc7 {is a better defense.} 29. c4 Kf8) 29. a6 Ra8 {Black hopes to continue with ...Rc7.} 30. a7 Rcc8 31. Rb7 Kg7 32. Rd1 h5 33. Rdd7 Rf8 34. h4 Kf6 35. Rdc7 e5 36. Kf1 Ke6 37. Re7+ Kf6 38. Rec7 Ke6 39. Re7+ Kf6 $1 40. Kg2 {White is clearly winning.} Rac8 41. Red7 Ke6 (41... Kg7 $142 42. Rb5 e4) 42. Rd3 f6 43. Rb6+ Ke7 44. Ra3 Ra8 45. Raa6 Rfd8 46. Re6+ {Accuracy: White = 77%, Black = 37%.} 1-0

[Event "Tata Steel GCT Blitz 2019"]
[Site "Kolkata"]
[Date "2019.11.26"]
[Round "17"]
[White "Nakamura, Hikaru"]
[Black "So, Wesley"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2741"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.11.25"]
[EventType "tourn"]
[EventCountry "IND"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,102,-4,5,2,2,0,5,0,0,0,0,0,0,-2,12,12,12,6,15,0,50,36,41,0,46,45,63,60,122,120,246,227,252,238,264,56,68,60,65,64,54,51,65,21,91,88,85,57,112,87,91,106,97,89,117,108,104,104,168,168,170,143,567,567,476,0,167,174,277,0,0,0,0,0,0,-497,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d5 7. e3 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 Bb7 10. Rd1 Nbd7 11. Ne5 h6 12. Bh4 c5 13. Nxd7 Qxd7 14. Bxf6 gxf6 15. dxc5 Qc7 16. h4 Rfd8 17. Rxd8+ Rxd8 {½-½ (30) Yu,Y (2763)-Ding,L (2811) Khanty-Mansiysk 2019}) 7... b6 8. cxd5 Nxd5 9. Qc2 Bb7 10. e4 $146 ({Predecessor:} 10. Nf3 Nd7 11. Bd3 h6 12. e4 Ne7 13. Be3 c5 14. Rd1 Rc8 {1-0 (31) Le,Q (2706)-Kaufman,R (2341) Saint Louis 2014}) 10... Nf6 11. e5 Nd5 12. Nf3 h6 13. Qe4 {Hoping for Bd3.} Ba6 14. Bxa6 Nxa6 15. Qg4 $40 {[%mdl 128] White attacks.} Kh8 (15... Kh7 {is more complex.} 16. O-O Nb8 17. Bg5 Qd7 18. Qe4+ Kh8) 16. Qh3 Kg8 17. Qg4 {Strongly threatening Bxh6.} Kh8 18. O-O Qe7 19. Qh3 Kg8 ({Black should play} 19... Kh7 $14) 20. Re1 $1 $16 c5 (20... f5 $16) 21. Re4 $1 $18 f5 22. exf6 $1 Rxf6 23. Be3 $2 (23. Rg4 $1 $18) 23... Raf8 $14 24. Re1 Nxe3 25. R4xe3 Nc7 26. dxc5 Qxc5 {With the idea ...Nd5.} 27. Ne5 {And now Nd7 would win.} Qb5 (27... Qd4 $11) 28. R3e2 $16 Nd5 {Black wants to play ...Nf4.} 29. g3 Rf5 (29... Ne7 $14) 30. Ng6 R8f6 31. Nh4 $1 {[%cal Rh4f5]} Rg5 {Threatens to win with ...Nf4.} 32. Rxe6 {Intending Re8+ and mate.} Kh7 {aiming for ...Nf4.} 33. Rxf6 Nxf6 34. Qf1 Qxb2 (34... Rd5 $16 {was necessary.}) 35. Qd3+ $18 Kg8 36. Ng6 {Black must now prevent Qd8+.} Kh7 $2 {[%mdl 8192]} (36... Ra5 $16) 37. Ne5+ Kg8 38. Ng6 $2 (38. f4 Rh5 39. h4) 38... Kh7 {...Rd5 is the strong threat.} 39. Nf8+ {[%mdl 64] Discovered Attack (Double check)} Kg8 {[#]} (39... Kh8 {keeps fighting.}) 40. Qd8 $2 (40. Nh7 $1 $18 {[%cal Rh7f6][%mdl 512]} Qb5 (40... Nxh7 41. Qc4+) 41. Nxf6+ gxf6 42. Qd8+ Kh7 43. Qxf6) 40... Rf5 $11 41. Ng6+ Kh7 42. Nf8+ {[#]} Kg8 $1 {[%mdl 512]} 43. f4 $2 {[%mdl 8192] [#]} (43. Ne6+ $11 {and White is okay.} Kh7 44. Rf1 Qxa3 45. Qc7 $1 {[%mdl 512]}) 43... Qc3 $2 ({Better is} 43... Ng4 $1 $19 {[%mdl 512]} 44. Nd7+ {[#]} Kh7 $1 {[%mdl 512]} 45. Nf6+ Nxf6) 44. Ng6+ {The position is equal.} Kh7 45. Nf8+ Kg8 46. Nd7+ Kh7 47. Nxf6+ Rxf6 48. Re8 Qc5+ 49. Kg2 Qc6+ 50. Kh3 Rd6 51. Qe7 Qd7+ {Accuracy: White = 68%, Black = 50%.} 1/2-1/2

