[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "1.1"]
[White "Carlsen, Magnus"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2887"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,116,-60,-38,-25,-29,-27,-26,-53,-16,-15,-18,-12,-21,-18,-6,-29,-29,-27,-22,-45,-32,-72,-21,-25,-10,-60,0,0,0,-33,-7,0,0,-52,-58,-62,-61,-52,-61,-62,-57,-69,0,0,0,0,0,0,0,0,0,7,0,0,131,25,68,69,69,84,119,28,33,33,28,-29993,9,-254,17,11,12,9,14,17,29,23,30,9,57,62,58,62,48,35,35,31,56,52,4614,25,37,20,20,8,60,8,69,39,68,8,8,0,8,0,8,8,8,8,8]} 1. c3 e5 2. c4 Nf6 3. Nc3 Bb4 {[#]} 4. h4 $146 ({Predecessor:} 4. a3 Bxc3 5. bxc3 O-O 6. Nf3 Nc6 7. g3 d6 8. d3 Bg4 9. Bg2 Re8 10. h3 Qd7 {0-1 (10) Madamombe,A-Hinda,O Port Elizabeth 2016}) 4... O-O 5. e3 c6 6. g4 {A00: Irregular Openings.} d5 7. g5 $1 {[%cal Rg5f6]} Ne8 8. a3 {Black has an edge.} Be7 9. cxd5 cxd5 10. d4 exd4 11. exd4 Nc6 12. Bg2 Nc7 13. Nge2 Bf5 14. Ng3 Be6 15. O-O Qd7 (15... Bd6 $17) 16. Bf4 $11 Rad8 17. Re1 Rfe8 (17... Bd6 $15 18. Nce2 f6) 18. Qd3 Bd6 19. Nh5 Bg4 (19... Ne7 {keeps more tension.} 20. Bg3 Bf5 21. Qd2 Ng6 22. Rxe8+ Rxe8 23. Bf3 Bg4) 20. Rxe8+ Rxe8 21. Bxd6 (21. Qg3 $11 Bxf4 22. Nxf4) 21... Qxd6 $15 22. Qg3 Qxg3 $1 23. Nxg3 Nxd4 24. Nxd5 Nxd5 25. Bxd5 Kf8 (25... Bf3 $15 26. Bxf3 Nxf3+ 27. Kf1 g6) 26. Bxb7 $11 Rb8 27. Be4 Rxb2 28. Rc1 Rb3 {[#] ...Rxg3+! is the strong threat.} 29. Rc4 Nf3+ 30. Bxf3 $1 Bxf3 {[%mdl 4096] Endgame KRB-KRN} 31. Nf5 {[%cal Rc4c8]} Ke8 (31... Bb7 $11 {keeps the balance.}) 32. Rc7 (32. Nxg7+ $16 Kd7 33. Ra4) 32... Bd5 33. Nxg7+ Kd8 $1 {[%cal Rd8c7]} 34. Rc5 Bb7 35. Ra5 (35. Rf5 $16) 35... Rh3 $1 {[%csl Gb7][%cal Rh3h1]} 36. Kf1 Rxh4 {aiming for ...Bf3.} 37. Rxa7 $2 {[%mdl 8192] [#]} (37. Nf5 $11 Rh5 38. Ng3 (38. Rxa7 Rxg5 39. Rxb7 Rxf5 $11)) 37... Kc7 $2 (37... Bf3 {mates} 38. Ne6+ fxe6 39. Ke1 Rd4 40. Ra8+ Kc7 41. Ra7+ Kb6 42. Rd7 Rxd7 43. Kf1 Rd1#) 38. Ra5 $2 {[%mdl 8192]} (38. Nf5 $11 {and White is okay.} Rg4 39. Nd6) 38... h6 $2 (38... Bf3 $19 {[%cal Rh4h1]} 39. Ke1 Rd4 40. Rc5+ Kd7) 39. gxh6 Rxh6 40. Rf5 Ba6+ 41. Ke1 Rh3 42. Rxf7+ Kb6 43. f3 Rh1+ 44. Kf2 Ra1 45. Rf6+ Ka5 46. Ne6 Rxa3 47. Nd4 Bc4 48. Kg3 Kb4 $2 {[%mdl 8192]} (48... Bd3 $14) 49. Kf4 $2 (49. Nc2+ $18 Kb3 50. Nxa3 Kxa3 51. Rf8) 49... Kc3 50. Ke4 Ra8 51. Nc6 Be2 (51... Ra6 $11) 52. f4 (52. Ne5 $14) 52... Ra4+ ({Black should play} 52... Ra6 $11) 53. Ke5 (53. Ke3 $5 {[%cal Re3e2]} Bf1 54. Rd6 $16) 53... Bf3 54. f5 ({White should try} 54. Rh6 $14) 54... Ra6 $1 {The position is equal.} 55. Nd4 Rxf6 56. Nb5+ Kd2 57. Kxf6 Bg4 58. Ke5 Bxf5 {Quite a comeback for White. Accuracy: White = 60%, Black = 55%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "1.1"]
[White "Grischuk, Alexander"]
[Black "Korobov, Anton"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2765"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,70,-14,4,2,6,0,12,0,0,0,0,0,14,14,21,0,0,-22,0,0,52,18,40,17,16,42,43,27,52,36,22,21,26,-3,0,0,13,0,0,15,14,-17,-12,-2,-12,-15,-15,-15,-15,-98,-92,-100,-96,-100,-95,-100,-84,-135,-150,-783,-770,-736,-720]} 1. Nf3 d5 2. d4 Nf6 3. Bf4 Bf5 4. e3 e6 5. Ne5 Bd6 6. Nc3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nbd7 7. Bd3 O-O $5 {[%mdl 4] An interesting side line.} 8. O-O {The position is equal.} Qe7 9. Nb5 Bxd3 10. cxd3 {[#]} Bxe5 $146 ({Predecessor:} 10... Rfc8 11. Rc1 a6 12. Nxd6 cxd6 13. Nf3 Nh5 14. Bg5 Qe8 15. Qb3 h6 16. Bh4 g5 {½-½ (38) Budzyn,R (2312)-Degerhammar,R (2451) ICCF email 2007}) 11. dxe5 Ne8 12. Qg4 Qb4 13. Nd4 c5 14. Nf3 Qb6 (14... Qxb2 $11 15. Rab1 Qxa2) 15. h4 Kh8 16. h5 h6 17. Qh4 f6 18. b3 Rc8 19. Qg3 fxe5 20. Bxe5 Nef6 21. Nh4 {[%cal Bf3h4,Bh4g6,Bg6e5][%mdl 32]} Kg8 22. Ng6 Rf7 23. Qh4 (23. Bxf6 {seems wilder.} Nxf6 24. Qh2 Re8 25. Ne5 Rc7 26. Rac1) 23... Nxe5 (23... Qb5 {keeps more tension.} 24. Rad1 Nxe5 25. Nxe5 Rfc7 26. f4 Qe8) 24. Nxe5 Rfc7 25. Rae1 Qd6 26. f4 b5 27. g4 c4 28. bxc4 bxc4 29. dxc4 (29. g5 $1 $11 hxg5 30. Qxg5) 29... dxc4 $17 30. g5 hxg5 31. Qxg5 c3 32. h6 c2 {Strongly threatening ...Qd2.} 33. Rc1 {[#]} (33. Qg6 $142) 33... Qd2 $1 {[%cal Rd2e3]} 34. Rfe1 $2 {[#]} (34. Qg3 $17) 34... Qxe1+ $1 $19 {[%mdl 576] Remove Defender, Promotion} 35. Rxe1 c1=Q {Accuracy: White = 65%, Black = 93%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "1.1"]
[White "Bu, Xiangzhi"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2760"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,68,36,23,37,57,51,37,67,69,68,-28,-29,-32,-33,-14,-14,-14,-9,-13,0,0,0,0,1,0,12,0,0,0,0,0,0,0,0,0,2,0,0,0,0,0,12,0,0,0,14,0,0,0,12]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Rd1+ Ke7 10. Be2 Nbd7 11. Nbd2 Rd8 {[#] D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 12. Nb3 $146 ({Predecessor:} 12. Nc4 b6 13. Nd4 Bb7 14. Nb3 Bd5 15. Bd2 Rac8 16. Rac1 a5 17. Nxc5 Bxc4 18. Rxc4 Nxc5 19. f3 {½-½ (70) Magallanes,F (2526)-Luzio,N (2316) ICCF email 2010}) 12... Bd6 13. Nfd2 Kf8 {White is slightly better.} 14. Nc4 Be7 15. Nd6 (15. Nd4 $14) 15... Ne5 $11 16. Nxc8 Rxd1+ 17. Bxd1 Rxc8 {The position is equal.} 18. Be2 Ne4 19. f3 Nc5 20. Nxc5 Rxc5 21. Kf1 Ke8 22. e4 g5 23. Bd2 Nc4 24. Bc3 Rc6 25. Bxc4 Rxc4 {[%mdl 4096] Endgame KRB-KRB} 26. Ke2 f5 27. exf5 exf5 28. Kd3 Rc6 29. Re1 Kd7 30. Re5 f4 31. Rf5 Ke6 32. Re5+ Kd7 33. Rd5+ Ke6 34. Re5+ Kd7 {Accuracy: White = 90%, Black = 96%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "1.1"]
[White "Dubov, Daniil"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2720"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,95,0,-9,0,0,0,-8,0,-6,0,5,5,5,5,5,5,6,8,4,6,4,6,10,8,4,20,27,56,16,43,20,36,18,33,34,64,43,40,41,38,21,38,50,43,22,17,16,10,16,17,19,13,8,12,0,0,0,0,0,3,0,8,0,47,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d5 {7.Re1 is a critical line.} exd5 8. Nd4 c6 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} 9. cxd5 Nxd5 10. e4 Nc7 11. Nc3 d5 12. Bf4 Nba6 13. Nxc6 Bxc6 14. exd5 Bb7 15. d6 $36 {[%mdl 2112] [#] Double Attack. White is more active.} Bxg2 16. dxe7 Qxe7 17. Kxg2 Rfd8 18. Qf3 Ne6 19. Be3 {[#]} Nac5 $146 ({Predecessor:} 19... Nb4 20. Rad1 Rxd1 21. Rxd1 Rd8 22. Rxd8+ Qxd8 23. Qe4 Nd3 24. b4 Ne1+ 25. Kf1 Qd3+ 26. Qxd3 Nxd3 {½-½ (42) Dubov,D (2634)-Goganov,A (2575) Moscow 2016}) 20. Rad1 Qb7 21. Nd5 {[#] Threatens to win with Bxc5.} (21. Qxb7 {is more complex.} Nxb7 22. Nb5 a6 23. Nd4 Nxd4 24. Rxd4 Rxd4 25. Bxd4 b5 26. Rc1) 21... Rab8 22. Rd2 Re8 23. Rfd1 Nd7 24. Kg1 h6 25. h4 Ne5 26. Qe4 Nc5 27. Qf5 Qc8 28. Qxc8 Rbxc8 29. Kg2 Nc4 30. Rc2 Nxe3+ 31. Nxe3 Kf8 32. b4 Ne6 33. Rxc8 Rxc8 $11 {[%mdl 4096] Endgame KRN-KRN} 34. h5 Ke7 35. f4 Rd8 36. Rxd8 Nxd8 {KN-KN} 37. Kf3 Nc6 38. a3 g6 39. hxg6 fxg6 {The position is equal.} 40. Ke4 Ke6 41. g4 h5 42. f5+ gxf5+ 43. gxf5+ Kf6 44. Nd5+ Kg5 45. f6 {White wants to mate with f7.} Kg6 46. Nf4+ Kxf6 {Strongly threatening ...Kg5.} 47. Nxh5+ Ke6 48. Nf4+ {Accuracy: White = 94%, Black = 86%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "1.1"]
[White "Anton Guijarro, David"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2590"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,83,29,25,28,23,18,19,21,15,14,18,22,16,31,39,31,39,45,45,40,43,47,45,38,33,89,89,91,91,101,111,123,83,84,84,83,73,147,68,68,68,68,0,0,0,68,58,68,0,79,85,217,0,481,458,704,698,29976,29977,29983,29984,29984,29985,29984,29979,29977,29978,29981,29979]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. d4 cxd4 7. Nxd4 O-O 8. O-O Qa5 {is recently more successful than 8...Nxd4.} 9. e3 d6 {A39: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3 Nf6 6 0-0 0-0 7 d4.} 10. Bxc6 bxc6 11. Nxc6 Qc7 {The position is equal.} 12. Nd5 Nxd5 13. cxd5 Bb7 14. Bd2 Bxb2 15. Rb1 Bxc6 16. dxc6 Rab8 17. Qc2 Ba3 {[#]} 18. Qa4 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 18. Rxb8 Rxb8 19. Rb1 Rxb1+ 20. Qxb1 Qxc6 21. Qb8+ Kg7 22. Qxa7 Qc2 23. Qxa3 Qxd2 24. Qa8 {½-½ (31) Erdos,V (2661)-Ragger,M (2668) Germany 2014}) 18... Bc5 $1 19. Ba5 Bb6 20. Bxb6 axb6 (20... Rxb6 $14 21. Rxb6 Qxb6) 21. Rfc1 $36 {[%mdl 2048] Keeping Black busy.} Ra8 {[#]} 22. Qd4 $1 Rfb8 23. a4 e5 24. Qc4 Ra5 25. Rb5 Rba8 26. Qb3 R8a6 (26... Rxa4 $142 27. Rxb6 Ra1 28. Rxa1 Rxa1+ 29. Kg2 Rc1) 27. Rxa5 ({Better is} 27. Rc4 $16) 27... Rxa5 {[%mdl 4096] Endgame KQR-KQR} 28. h4 Kf8 29. Rc2 ({White should try} 29. Kg2 $14) 29... Ke7 $1 $11 30. Kg2 Kd8 (30... Rc5 $11 31. Rxc5 dxc5) 31. e4 Kc8 32. h5 (32. g4 $14) 32... Kb8 (32... gxh5 $11 33. Kf3 h6) 33. h6 $16 Ka7 {[#]} (33... Rc5 $16 {keeps fighting.}) 34. Qf3 $2 (34. Rc3 $1 $18) 34... f5 $2 {[%mdl 8192]} (34... Rc5 $11 {and Black has nothing to worry.} 35. Qb3 f5) 35. exf5 $18 gxf5 (35... e4 $142 36. Qxe4 Re5) 36. Qxf5 Rc5 37. Rxc5 {White mates.} bxc5 38. Qd7 Kb8 {[#]} 39. a5 $1 {[%cal Ba4a5,Ba5a6][%mdl 544]} c4 (39... Qxa5 40. Qb7#) 40. Kf3 c3 41. Ke2 e4 42. a6 {Accuracy: White = 79%, Black = 64%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "2"]
[White "Xiong, Jeffery"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2724"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,62,18,15,17,25,15,17,15,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,-7,-8,-25,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Na4 Bg7 6. e4 Nb6 7. Be3 O-O 8. Nf3 Nxa4 9. Qxa4 c5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3.} 10. Rd1 cxd4 11. Nxd4 Bd7 12. Bb5 Bxb5 13. Qxb5 {[#] Ne6 is the strong threat.} Qb6 {And now ...Bxd4 would win.} 14. a4 {[#]} Nc6 $146 ({Predecessor:} 14... Rd8 15. Qxb6 axb6 16. b3 Na6 17. Nb5 Rxd1+ 18. Kxd1 Nc5 19. Bxc5 bxc5 20. Kc2 Rd8 {1-0 (49) Travnicek,P (2144)-Gzib,D (1994) Slovakia 2019}) 15. Nxc6 bxc6 16. Qxb6 axb6 17. b3 Rfb8 18. Rd7 b5 19. O-O bxa4 20. bxa4 Rxa4 21. Rxe7 {The position is equal.} Bf8 22. Rc7 Rxe4 23. Rxc6 h5 24. g3 Reb4 25. Rc2 Rb2 26. Rfc1 Rxc2 27. Rxc2 Bg7 28. Kg2 Bf6 29. h4 Rb2 30. Rxb2 Bxb2 31. Kf3 Kg7 {Not much happened in this game. Accuracy: White = 100%, Black = 95%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "2"]
[White "Mamedyarov, Shakhriyar"]
[Black "Dubov, Daniil"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2716"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,54,16,3,34,24,29,0,5,0,0,-19,-14,-52,-41,-68,-62,-64,-45,-101,-36,-199,-56,-55,0,0,0,-56,-54,-80,-68,-135,-43,-61,-32,-47,-47,-41,-48,-1962,-622,-1950,-1842,-29991,-29990,-29990,-29991]} 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Qc2 {[#]} a5 $146 {D45: Semi-Slav: 5 e3.} ({Predecessor:} 6... Bd6 7. Bd3 O-O 8. O-O e5 9. cxd5 cxd5 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 h6 13. Nxd4 Qh4 14. Nf3 Qh5 15. Bh7+ Kh8 16. Qf5 Qxf5 17. Bxf5 Nf6 18. Bc2 b6 19. Rd1 Bb7 20. Bb3 Rad8 21. Be3 {½-½ (30) Nepomniachtchi,I (2784)-Ding,L (2791) chess.com INT 2020}) 7. h3 Be7 8. g4 dxc4 {The position is equal.} 9. Bxc4 b5 10. Bd3 (10. Be2 {seems wilder.} O-O 11. e4 Nb6 12. Bd3 Nfd7 13. e5) 10... b4 11. Ne4 Nxe4 12. Bxe4 ({But not} 12. Qxc6 Nec5 $1 $17 {[%mdl 512]}) 12... Bb7 13. Nd2 (13. Bxc6 $2 Rc8 $19) 13... Rc8 14. a3 (14. b3 $15) 14... O-O (14... Ba6 $17 15. Bd3 Bxd3 16. Qxd3 c5) 15. Bxh7+ Kh8 16. Be4 $1 Ba6 17. Bd3 $1 {[%cal Rd3a6]} Bb7 18. Be4 $1 Nf6 19. O-O Nxe4 20. Nxe4 {[#]} (20. Qxe4 $15 Qd7 21. Qd3) 20... c5 (20... f5 $1 $17 {[%cal Rf5e4]} 21. Nc5 Bxc5 22. Qxc5 Qh4 {[%mdl 64] Double Attack}) 21. Nxc5 $15 Bxc5 (21... Bf3 $5 {[%cal Re7d6]} 22. e4 Bxc5 23. dxc5 Qh4 $15) 22. dxc5 f5 {...Bf3 is the strong threat.} ({Much weaker is} 22... Qd5 $6 {[#]} 23. e4 $1 $11 {[%mdl 512]}) 23. axb4 Bf3 {Strongly threatening ...Qh4.} 24. Kh2 $2 {[%mdl 8192]} ({Don't go for} 24. Rxa5 $2 Qh4 $19) (24. Qc3 $15) 24... Qc7+ $19 25. Kg1 fxg4 26. hxg4 Qe7 27. Qg6 Rf6 {Accuracy: White = 64%, Black = 79%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "2"]
[White "Le, Quang Liem"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2690"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,120,9,9,9,4,7,10,11,20,19,31,14,20,10,15,13,12,14,8,10,9,0,0,0,0,0,12,0,0,0,0,0,0,-84,0,0,0,0,0,-17,-3,-64,-63,-65,-10,-18,-15,-15,-15,-15,0,-15,-15,-30,-30,-65,0,-65,-65,-72,-65,-65,-31,-45,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-2,-2,-3,0,-320,-330,-293,-277,-306,-238,-454,-451,-452,-460,-456,-439,-388,-338,-12841,-12841,-12841,-12838,-12842,-12843,-12843,-12841,-12845,-12845,-12845,-12843]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Nbd2 O-O 6. Bg2 b6 7. O-O Bb7 8. b3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} a5 9. Bb2 a4 10. a3 {The position is equal.} Bxd2 11. Nxd2 axb3 12. Nxb3 {[#]} Qc8 $146 ({Predecessor:} 12... Bc6 13. c5 Ba4 14. cxb6 cxb6 15. Qd3 Nc6 16. Nd2 Qd7 17. Bc3 Rfc8 18. Rfc1 h6 19. e3 Na7 20. Bb4 Rxc1+ 21. Rxc1 Rc8 22. Rxc8+ Qxc8 23. Qc3 Qd7 24. Bf1 {½-½ (24) Shevchenko,K (2569)-Sargsyan,S (2489) Kirishi 2018}) 13. Rc1 dxc4 {[#] ...Bxg2 is the strong threat.} 14. Bxb7 Qxb7 15. Rxc4 Nbd7 16. Qc2 Rfc8 17. Rc1 {[%cal Rc4c7]} Ne8 18. a4 h6 19. Nd2 Qa6 20. e3 Ra7 21. Ne4 Rca8 22. h4 Qb7 23. Bc3 (23. Rb4 $11 {keeps the balance.}) 23... Nd6 ({Better is} 23... f5 $17 24. Nd2 Nd6) 24. Nxd6 $11 cxd6 25. Be1 d5 26. Rb4 Qa6 27. Qc6 (27. g4 $11) 27... Qe2 $15 28. Kg2 Nf6 ({Black should play} 28... g5 $15 29. Qc2 Qxc2 30. Rxc2 Rxa4) 29. Qc2 $11 Qxc2 30. Rxc2 Rxa4 31. Rxb6 Ra2 32. Rbc6 g5 33. hxg5 hxg5 34. f3 R8a3 (34... g4 $15) 35. Bf2 (35. g4 $11) 35... g4 $15 36. fxg4 Nxg4 37. Kf3 Rxc2 (37... Nf6 {is more complex.} 38. Rc7 Ne4 39. g4 Kg7 40. Bh4 Ra1) 38. Rxc2 {[%mdl 4096] Endgame KRB-KRN} Nf6 39. g4 Ra1 40. Bg3 Ne4 41. Be5 Kh7 42. Kg2 Kg6 43. Bf4 f6 44. Rb2 Rd1 45. Rc2 Rd3 46. Re2 Nd2 47. Kf2 Nc4 {Threatens to win with ...e5.} 48. Bg3 $2 {[%mdl 8192]} (48. Ra2 $11 {and White is okay.}) 48... Kg5 $19 49. Kf3 Nd2+ 50. Kg2 Kxg4 51. Bf4 $2 (51. Rf2 {keeps fighting.}) 51... Nc4 52. Kf2 Kf5 53. Kf3 e5 54. dxe5 fxe5 55. Bg3 $2 (55. Bh6) 55... d4 {Black is clearly winning.} 56. Bf2 Rb3 57. Re1 e4+ 58. Kg2 d3 59. Rc1 {[#]} d2 $1 60. Rd1 Kg4 {Accuracy: White = 78%, Black = 89%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "2"]
[White "Korobov, Anton"]
[Black "Bu, Xiangzhi"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2667"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,64,37,34,31,31,18,45,20,31,27,29,26,35,40,44,22,36,39,32,29,48,30,54,29,17,20,50,43,34,16,18,6,35,21,32,0,27,-20,-11,-74,8,-337,-322,-358,-206,-606,-605,-660,-673,-1002,-974,-1715,-1681]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Bg6 7. Nxg6 hxg6 8. Bd2 {8.Bd2 was played by the boomers. D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Nbd7 9. g3 Bd6 10. Qb3 {White wants to play c5.White is slightly better.} Rb8 11. Bg2 O-O 12. O-O dxc4 13. Qxc4 e5 14. Rad1 Nb6 15. Qb3 exd4 16. exd4 Qd7 17. Bg5 {[#]} Rfe8 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 17... Qf5 18. Bxf6 Qxf6 19. a4 Qd8 20. f4 Nd7 21. d5 Nf6 22. Kh1 c5 23. Qc2 a6 {½-½ (41) Dreev,A (2607)-Georgiev,K (2649) Sibenik 2007}) 18. Bxf6 gxf6 19. d5 {Ne4 is the strong threat.} c5 20. Ne4 Kg7 21. Qc3 Be5 22. Qxc5 Na4 23. Qb4 f5 24. Ng5 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 25. b3 Nc3 $36 {[%mdl 2048] Black is more active.} 26. Rd2 (26. Rd3 $11 Rbc8 27. d6) 26... Qd6 ({Better is} 26... Rbc8 $17 27. Qa3 Bf6) 27. Qa5 $2 {[%mdl 8192] [#] Now White is beyond hope.} ({Avoid the trap} 27. Qh4 $2 Rh8 $19) (27. Qxd6 $1 $11 Bxd6 28. Nf3) 27... Bf6 $19 28. h4 Re7 (28... b4 $142 29. Ra1 Ne2+ {[%mdl 64] Discovered Attack} 30. Rxe2 Rxe2) 29. Nf3 $2 (29. a3) 29... b4 {Black is clearly winning.} 30. a4 {White hopes to continue with Rc1.} Rb6 31. Nd4 Bxd4 {[%mdl 64] [#] Overworked Piece} 32. Rxd4 Ne2+ {[%mdl 64] Double Attack. Accuracy: White = 44%, Black = 66%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "2"]
[White "Anton Guijarro, David"]
[Black "Grischuk, Alexander"]
[Result "0-1"]
[ECO "E93"]
[WhiteElo "2590"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,65,31,25,31,21,22,1,16,0,50,-20,34,-17,46,-25,-26,-58,-16,-103,-111,-110,-97,-101,-87,-139,-141,-181,-152,-237,-249,-264,-252,-264,-266,-283,-227,-383,-318,-404,-396,-418,-416,-425,-412,-862,-852,-777]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. Nd2 Nc5 11. g4 a4 $5 {[%mdl 4] Leaves trodden paths. E93: King's Indian: Classical: Petrosian System with 7...Nbd7.} 12. f3 c6 13. Qc2 Qa5 {[#] The position is equal.} 14. a3 $146 ({Predecessor:} 14. Bf2 Bd7 15. Be3 cxd5 16. cxd5 b5 17. a3 Rac8 18. O-O Nh7 19. Kg2 f5 20. h3 {0-1 (60) Szypulski,A (2390)-Terzic,S (2360) Augustow 1989}) 14... Bd7 15. O-O (15. O-O-O $14) 15... cxd5 (15... h5 $11) 16. cxd5 (16. exd5 $14 h5 17. h3) 16... b5 (16... Rfc8 $11) 17. Bf2 (17. b4 $14 axb3 18. Nxb3 Nxb3 19. Qxb3) 17... Rfc8 $11 18. Rfc1 Rab8 19. Qd1 (19. Be3 $11 {remains equal.}) 19... h5 $17 20. g5 Nh7 $1 21. Be3 {[#]} Qd8 $1 22. h4 (22. Qf1 $142) 22... f6 23. Kh1 fxg5 24. hxg5 (24. Qg1 $17) 24... Nxg5 $19 25. Qg1 {[#]} Nh3 $1 {[%cal Rh3g1]} 26. Qg3 {[#]} Nf4 $1 {[%mdl 512]} 27. Rg1 (27. Bxf4 exf4) 27... Qf6 ({Resist} 27... h4 28. Qh2 $19) 28. Bf1 $2 (28. Bxf4 exf4 29. Qh2) 28... Kh7 29. Na2 Bh6 30. Nb4 {[#]} Ne2 $1 {[%mdl 576] Discovered Attack} 31. Bxe2 {Strongly threatening Bxh6.} Bxe3 32. Rg2 (32. Rad1 $142) 32... Bxd2 33. Rag1 {Accuracy: White = 33%, Black = 76%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "3"]
[White "Carlsen, Magnus"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2887"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,2,3,0,8,0,0,-4,15,-6,0,-8,29,35,171,172,245,28,442,437,445,448,449,446,435,162,429,443,434,414,439,438,436,423,426,419,438,219,337,201,168,34,366,369,1043,1029,1404,631,1015,1010,1222,1184,1402,1187,5221,5221,12837,12836,12846,12841]} 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Bd6 5. Nbd2 O-O 6. c3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} b6 7. Ne5 c5 8. Bd3 {The position is equal.} Bb7 9. h4 $5 {[%mdl 4] Leaves trodden paths.} Nc6 {[#]} 10. Qf3 $146 ({Predecessor:} 10. Ndf3 Qc7 11. Rc1 a5 12. h5 h6 13. Rh4 Bxe5 14. dxe5 Nd7 15. g4 Ndxe5 16. Be2 Nxf3+ 17. Bxf3 {1-0 (42) Lu,R (934)-Dilnutt,C (782) Mooroolbark 2011}) 10... Rc8 11. h5 h6 (11... Ne8 $14) 12. Qg3 $18 {And now Bxh6 would win.} Ne8 (12... Kh8 $142) 13. Bxh6 $1 $40 {[%mdl 128] White has some attack.} cxd4 $2 {[%mdl 8192] [#]} (13... Nxe5 $1 $11 {and Black is okay.} 14. dxe5 Bxe5) 14. Bxg7 $1 {[%mdl 576] Clearance} Nxg7 15. h6 $1 {[%csl Gh6][%cal Rg3g7][%mdl 64] Pin} Qf6 ({Worse is} 15... Bxe5 16. Bh7+ $1 {[%mdl 512]} Kh8 17. hxg7+ Bxg7 18. Bd3+ Kg8 19. Rh8+ $1 {[%mdl 512]} Kxh8 20. Qh3+ Qh4 21. Qxh4+ Bh6 22. Qxh6+ Kg8 23. Qh7#) 16. hxg7 Qxg7 17. Bh7+ Kh8 {[#] White must now prevent ...Qxg3.} 18. Nxf7+ $1 {[%mdl 512]} Rxf7 19. Bg6+ ({Less strong is} 19. Qxd6 dxc3 20. Bg6+ Kg8 $18) 19... Kg8 20. Bxf7+ Kxf7 21. Qxd6 dxc3 22. bxc3 Ne5 {intending ...Ba6.} 23. O-O (23. Rh5 $142 Ng6 24. Rc1) 23... d4 (23... Rg8 {was worth a try.} 24. Qc7+ Kf6 25. Qxg7+ Rxg7) 24. f3 (24. e4 $142) 24... dxe3 {[#]} 25. Ne4 ({White has to play} 25. Rae1 $1 $18 {[%cal Re1e3]} Rxc3 26. Rc1 (26. Qb8 exd2 27. Qxb7+ Kf6 $11)) 25... e2 $2 {[%mdl 8192]} (25... Bd5 $1 $14) 26. Rf2 Kg8 $2 (26... Rf8 27. Qc7+ Kg6 28. Qxg7+ Kxg7 29. Rxe2 Nf7) 27. Qxe6+ {White is clearly winning.} Kh8 28. Qh3+ (28. g4 $142 Bxe4 29. Qxc8+ Qg8 30. Qxg8+ Kxg8 31. fxe4) 28... Kg8 29. Rxe2 Rf8 30. Qe6+ Kh8 {[#]} 31. Ng5 $1 Nxf3+ (31... Qxg5 32. Rxe5) 32. Nxf3 Bxf3 33. Rf2 Qxc3 34. Raf1 {Accuracy: White = 74%, Black = 31%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "3"]
[White "Grischuk, Alexander"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2765"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,0,12,-8,-11,-46,14,16,44,20,11,0,0,-16,-4,-2,0,0,-4,-10,0,-11,0,-34,-12,-89,-83,-81,-88,-94,-88,-112,-129,-116,-117,-141,-122,-137,-138,-140,-145,-162,-165,-148,-154,-162,-102,-163,-79,-138,-151,-138,-123,-288,-152,-234,-152,-158,-154,-233,-239,-352,-347,-344,-352,-325,-310,-826,-277,-270,-260,-283,-268,-537,-531,-516,-480,-397,-338,-1290,-118,-1290,-1274,-1155,-1011,-1472,-1249,-29981,-29982,-29989,-29990,-29992,-29989,-29989,-29990]} 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Bd6 5. O-O c6 6. c4 {A07: Réti Opening: New York and Capablanca Systems.} Ne7 {[#]} 7. e4 $146 ({Predecessor:} 7. a3 O-O 8. Nbd2 a5 9. b3 b5 10. Bb2 Rb8 11. c5 Bc7 12. Qc2 Ng6 13. a4 {1-0 (57) Krzyzanowski,M (2506)-Maghsoodloo,P (2690) Sitges 2019}) 7... dxc4 ({Black should try} 7... d4 $1 $15) 8. dxc4 $11 {The position is equal.} Nf6 9. Nc3 O-O 10. Bg5 Ng6 11. h3 Qe7 12. Rc1 Rd8 13. Qe2 h6 14. Be3 Bc5 15. Bd2 Be6 16. a3 Qd7 17. Kh2 (17. Rfd1 $11 {keeps the balance.}) 17... Qd3 $17 18. Qxd3 Rxd3 19. b4 Bd4 $1 20. Nxd4 exd4 (20... Rxd2 $6 21. Nxe6 fxe6 22. Bf3 $11) 21. Nb1 Ne5 $36 {[%mdl 2048] White is under strong pressure.} 22. Rfd1 Nxc4 23. Bf1 Nb2 24. Bxd3 Nxd3 25. Bxh6 Nxf2 {[%mdl 64] Double Attack} ({But not} 25... Nxc1 26. Bxc1 Ba2 27. Nd2 $15) 26. Bf4 Nxd1 27. Rxd1 Rd8 {[#]} (27... Ba2 $1 $19 28. Nd2 a5) 28. Bg5 (28. Be3 $1 $17 {[%mdl 512] was necessary.}) 28... Bb3 (28... b6 $1 $19 {has better winning chances.} 29. e5 Rd5 30. exf6 Rxg5 31. Rxd4 Re5) 29. Rd2 (29. Rc1 $142) 29... Rd7 30. Bxf6 gxf6 {[%mdl 4096] Endgame KRB-KRN} 31. Kg2 $2 (31. Rb2 $17 Be6 32. Nd2) 31... Kf8 (31... b6 $19 32. Rf2 Kg7) 32. Kf3 (32. Rb2 $17 Be6 33. Nd2) 32... Ke7 33. Rb2 {[#]} Be6 $1 34. g4 (34. Nd2 $17) 34... b6 $19 35. Nd2 (35. Rc2 $142 Kd6 36. Nd2) 35... c5 36. bxc5 bxc5 37. Rc2 Rc7 38. Nc4 $2 (38. Kf4) 38... Bxc4 $2 (38... d3 39. Rc1 Bxc4) 39. Rxc4 {[#] KR-KR} Kd6 $1 40. Kf4 Rb7 41. Ra4 $2 (41. Rc1 {was the only chance.}) 41... Rb1 {White must now prevent ...Rf1+.} 42. Ra6+ Kc7 {...Rf1+ is the strong threat.} 43. Rxa7+ Kb6 44. Rxf7 $2 (44. Rd7 Kc6 45. Rd8) 44... Rf1+ 45. Kg3 d3 46. Rd7 c4 {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 47. h4 Rd1 48. h5 c3 {Black mates.} 49. h6 c2 50. h7 Rh1 51. Rd6+ {[#]} Kc7 $1 {[%mdl 512] Accuracy: White = 49%, Black = 72%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "3"]
[White "Bu, Xiangzhi"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2760"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,69,28,22,26,7,7,10,26,0,22,12,21,6,2,4,8,7,41,0,6,0,0,0,0,0,0,0,0,0,0,0,16,30,28,29,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Nbd2 Ke7 10. Be2 Nc6 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 11. Nb3 Bd6 12. Nfd2 Bc7 {[#]} 13. a4 $146 ({Predecessor:} 13. Nc4 b5 14. Na3 Bd6 15. Nc2 e5 16. Bf3 e4 17. Be2 Bg4 18. f3 exf3 19. gxf3 {1-0 (32) Vakhidov,J (2348)-Artemenko,O (2297) Tashkent 2011}) 13... Rd8 14. Nc4 b6 15. Bf3 Bb7 16. Bd2 Rab8 17. Rfc1 Nd5 18. e4 Ndb4 19. Be3 Nd3 20. Rc3 b5 21. axb5 axb5 22. Nca5 Bxa5 $1 23. Nxa5 Nxa5 24. Rxa5 b4 (24... Ra8 $5 {[%cal Ra8a5]} 25. b4 (25. Rxb5 $2 Ra1+ 26. Rc1 Nxc1 $19) 25... Rxa5 26. bxa5 b4 $11) 25. Rc7+ Rd7 26. Rxd7+ Kxd7 27. b3 {The position is equal.} Ra8 28. Rxa8 Bxa8 $11 {[%mdl 4096] Endgame KBB-KBN} 29. Kf1 Ne5 30. Bc5 Nxf3 31. gxf3 f5 32. Bxb4 fxe4 33. fxe4 Bxe4 34. Bc3 g6 35. Ke2 {Not much happened in this game. Accuracy: White = 89%, Black = 94%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "3"]
[White "Svidler, Peter"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2754"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,72,10,24,0,7,0,0,-4,3,-109,-99,-167,-161,-247,-242,-250,-258,-256,-251,-316,-323,-339,-340,-350,-269,-275,-279,-279,-265,-339,-316,-568,-554,-570,-570,-541,-519,-558,-155,-170,-162,-156,-139,-182,-150,-157,-167,-641,0,-341,-343,-313,-330,-317,-330,-446,-256,-1078,-1027,-1345,-1275,-29997,-29998]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O c5 5. d3 g6 6. e4 Bg7 7. Re1 {A05: Réti Opening: 1 Nf3 Nf6.} O-O 8. e5 Ne8 {[#]} 9. Bf4 $146 {The position is equal.} ({Predecessor:} 9. c3 Nc6 10. d4 d6 11. Bf4 Rc8 12. Na3 dxe5 13. Nxe5 cxd4 14. Nb5 dxc3 15. Qxd8 Nxd8 16. Bxb7 Nxb7 {½-½ (33) Jarva,E-King,L IECG email 1995}) 9... d6 10. e6 (10. h4 $11 {remains equal.}) 10... Bxb2 11. Nbd2 (11. Ng5 $17 {keeps fighting.} Bxg2 12. exf7+ Rxf7 13. Nxf7 Kxf7 14. Kxg2) 11... Bxa1 $19 12. Qxa1 (12. exf7+ $142 Rxf7 13. Qxa1) 12... f6 $1 13. h4 Ng7 14. Bh6 Nc6 15. Ng5 Qc8 {aiming for ...Nd4.} 16. Bxg7 Kxg7 17. Ndf3 Nd8 18. h5 h6 (18... gxh5 19. Nh4 $11) 19. Ne4 {[#]} g5 $1 (19... gxh5 20. Nh4 $11) (19... Nxe6 20. hxg6 Nd8 21. Nh4 $15) 20. Bh3 {Now Nxd6! and White clings on.} Bd5 ({Less strong is} 20... Nxe6 21. Ned2 $15) 21. Nexg5 $2 (21. Ned2) 21... hxg5 22. Nxg5 Rh8 23. Bg4 Nc6 24. c4 Nb4 $2 (24... Nd4 $19 {is more deadly.} 25. Qc1 Bb7) 25. cxd5 Nc2 ({Much worse is} 25... Nxd3 $6 26. Nf7 $15) 26. Qc1 {Hoping for h6+.} Nxe1 27. Nf7 {Threatening h6+.} Nxd3 28. h6+ {[#]} Kg8 $1 29. Qc2 $2 (29. Qd1 Qf8 30. Bf5) 29... Ne5 $2 ({Black should play} 29... c4 $19 30. Bf5 Qc5) 30. Nxe5 $4 {[%mdl 8192]} (30. f4 $1 $11 {and White stays safe.} Qf8 31. fxe5 Rxh6 32. exd6 exd6 33. Qe4) 30... Rxh6 31. Nf7 Qf8 32. Bf5 Qg7 ({Don't play} 32... Rh5 33. Bg6 $19) 33. Qa4 Rf8 (33... Rh5 $142 34. Bg4 b5) 34. Qd7 $2 (34. Nxh6+ Qxh6 35. Qxa7) 34... Rh5 35. Be4 f5 {( -> ...Qa1+)} 36. Bf3 Qa1+ {[%mdl 64] Double Attack. White got outplayed after the opening. Accuracy: White = 51%, Black = 93%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "3"]
[White "Dubov, Daniil"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2720"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,46,0,25,0,0,-24,-1,-54,-19,-47,1,-19,-8,-47,-12,-35,-20,-27,-16,-67,-64,-59,-39,-27,0,-54,0,-34,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 dxc4 6. Bg2 Nbd7 7. O-O Be7 8. e4 O-O 9. Bf4 Re8 10. a4 a5 11. Qc2 {E07: Closed Catalan: Main Line (5 Nf3 0-0 6 0-0 Nbd7).} b6 12. Rad1 Bb7 {[#]} 13. h4 $146 (13. Nd2 $11) ({Predecessor:} 13. Rfe1 Qc8 14. h3 Bb4 15. Re2 Ba6 16. g4 Nf8 17. Bg3 Ng6 18. Qc1 Ra7 19. e5 {1-0 (46) Gormally,D (2498)-Reimanis,R (2351) Edinburgh 2019}) 13... h6 (13... b5 $5) 14. Rfe1 Rc8 15. Qc1 Bf8 16. Qc2 Qe7 17. Bc1 Qb4 18. Bd2 Qb3 19. Qc1 (19. Qxb3 $11 cxb3 20. e5) 19... b5 $15 20. Bf4 Qb4 21. Bd2 Qb3 {And now ...b4 would win.} 22. Bf4 $1 Qb4 23. Bd2 $1 Qb3 {Accuracy: White = 66%, Black = 71%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "4"]
[White "Grischuk, Alexander"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2765"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,69,21,19,28,23,0,1,20,14,0,14,0,18,16,17,15,35,34,30,33,61,64,55,50,85,91,89,73,66,78,69,63,66,60,74,70,115,111,88,43,50,49,53,13,13,0,44,28,41,40,248,242,215,204,422,298]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Be7 7. d4 e4 8. Ne5 f5 9. Nxc6 {A20: English Opening: 1...e5.} bxc6 10. Nd2 Ba6 11. Nb3 {The position is equal.} O-O 12. Bd2 {[#]} Rb8 $146 ({Predecessor:} 12... Qe8 13. Re1 Kh8 14. e3 Rf6 15. Rc1 g5 16. Nc5 Bc8 17. f3 exf3 18. Qxf3 Rb8 {1-0 (33) Stark,L (2401)-Goudriaan,E (2360) Germany 2016}) 13. Rc1 Qd7 14. Re1 Qe6 15. Qc2 Nb4 16. Bxb4 $1 Bxb4 17. Red1 Bd6 18. e3 Bb5 19. Bf1 Kh8 {[#]} 20. d5 $1 {[%mdl 512]} Qf6 (20... cxd5 21. Nd4) 21. dxc6 Ba4 22. Rd4 Bxb3 23. axb3 Rb6 24. Rcd1 Be5 25. Rc4 Bxb2 26. Rd7 Be5 27. b4 h6 28. Qa4 a6 $1 29. Rc2 Bd6 $1 30. Rc4 Rfb8 31. Qd1 Be5 32. Qd5 Rb5 $2 {[#]} (32... Rf8 $14) 33. Rc5 $18 Rxc5 34. Qxc5 Rb6 $2 (34... Ra8 {is a better defense.} 35. Qd5 Bd6) 35. Bc4 {Accuracy: White = 86%, Black = 60%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "4"]
[White "Xiong, Jeffery"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2724"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,5,20,0,10,0,0,0,0,0,0,0,0,-16,-29,-10,-10,-9,-10,-25,0,-7,0,0,0,-10,-10,-83,-86,-123,-121,-119,-110,-113,-108,-115,-104,-110,-96,-105,-111,-114,-80,-66,0,0,0,0,0,0,0,-8,14,14,15,9,159,0,1501,1282,2011,1487,2684,2437]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. a3 O-O 9. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Re8 10. b5 {A29: English Opening: Four Knights Variation with 4 g3.} Nd4 11. Nxe5 Bf6 $1 12. f4 {The position is equal.} Bxe5 13. fxe5 Rxe5 {Hoping for ...Bg4.} 14. e3 Nxb5 15. Ne4 $5 {[%mdl 4] [#] An interesting side line.} Nd6 $146 ({Predecessor:} 15... f5 16. d4 Rxe4 17. Bxe4 fxe4 18. Qh5 Nd6 19. Ra2 Be6 20. Raf2 Bc4 {0-1 (20) Godbout,M (1879)-Carrier,C (2054) Quebec 2005}) 16. Qc2 Bf5 $36 {[%mdl 2048] Black fights for an advantage.} 17. Rxf5 $1 Nxf5 18. Bb2 Qe7 19. Rf1 c6 20. Bxe5 Qxe5 21. Qb3 Rf8 22. d4 (22. a4 $11 {keeps the balance.}) 22... Qe6 $17 23. Qd3 {White wants to play Bh3.} Re8 24. Kh1 Nd6 25. Nxd6 Qxd6 26. e4 Rd8 27. Qb3 Qe6 28. d5 cxd5 29. exd5 Qd6 30. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} g6 ({Black should play} 30... Qd7 $15 31. Rb1 Nxa4 32. Qxb7 Nb6) 31. a5 $11 Nd7 ({Of course not} 31... Nxd5 $6 32. Rd1 $16) 32. Qxb7 a6 33. Rc1 Ne5 34. Qb6 Kg7 35. Kg1 Qa3 36. Rf1 Re8 (36... Rd6 $11 37. Qd4 f6) 37. d6 $2 {[#]} (37. Qxa6 $16 {And now Qf6+ would win.} Qc5+ 38. Kh1) 37... Nc4 $2 {[%mdl 8192]} (37... Qd3 $11) 38. Qd4+ $18 {White is clearly winning.} Kg8 39. Qxc4 Qe3+ {[#]} 40. Kh1 $1 {Accuracy: White = 86%, Black = 59%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "4"]
[White "Mamedyarov, Shakhriyar"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2716"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,71,27,19,6,9,2,12,10,8,8,20,10,8,10,11,8,66,73,79,45,85,66,94,69,185,197,217,206,211,204,202,196,189,195,172,152,152,152,609,591,579,610,596,570,744,718,29978,29979,5689,0,826,826,29988,117,117,117,209,197,796,783,1387,1038,3495,2957]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O 5. Be2 c5 6. dxc5 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3.} Na6 {[%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 7. O-O Nxc5 8. b4 {The position is equal.} Nce4 9. Bb2 a5 10. a3 axb4 11. axb4 Rxa1 12. Bxa1 {[#]} d5 $146 (12... Qb6 $11) ({Predecessor:} 12... d6 13. Bd3 b6 14. Nd4 Bd7 15. Qc2 Qa8 16. Nc3 Nxc3 17. Bxc3 Rc8 18. Ra1 Qb7 {1-0 (60) Zojer,S (2127)-Neumeier,K (2288) Austria 2017}) 13. c5 $1 $14 Bg4 14. Nbd2 e6 15. h3 Bxf3 16. Bxf3 (16. Nxf3 {seems wilder.} b6 17. c6 Qc7 18. Qc2 Nd6 19. b5) 16... Qa8 {[#]} ({Black should play} 16... Nxd2 $14 17. Qxd2 Nd7) 17. Bxe4 $1 $18 dxe4 18. Bxf6 Bxf6 19. Nxe4 Be5 20. Qc2 Rd8 21. f4 Bg7 22. Rd1 Rxd1+ 23. Qxd1 {Threatens to win with Qd7.} Qa3 $2 (23... b6 $16 24. Qd3 bxc5) 24. Qd8+ Bf8 25. Nf6+ Kg7 26. Qd4 Kh8 27. Kh2 {Strongly threatening Qd8!} h6 {[#]} 28. Qd8 $1 {[%cal Rd8f8]} Kg7 29. Qd4 (29. Nd7 $142 Be7 30. Qxe7) 29... Kh8 $1 30. h4 {Qd8! is the strong threat.} Qc1 31. Nd7+ $2 (31. Qd8 {mates} Kg7 32. Nd7 Bxc5 33. bxc5 Kh7 34. Nf6+ Kg7 35. Nd7 Qa1 36. Qf8+ Kh7 37. Qxf7+ {[%mdl 64] Double Attack} Kh8 38. Ne5) 31... Bg7 $16 {[#]} 32. Ne5 $1 {[%cal Re5f7]} Kh7 (32... Qe1 $16) 33. Qe4 $18 {Hoping for Nf3.} Qe1 $2 (33... Bxe5 34. Qxe5 (34. fxe5 Kg7 $14) 34... Qe1) 34. Nf3 {White is clearly winning.} Qf2 35. b5 f5 36. Qxe6 {Accuracy: White = 84%, Black = 40%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "4"]
[White "Korobov, Anton"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2667"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,97,0,8,10,12,17,22,17,24,25,40,40,39,31,22,0,0,7,0,-3,195,189,211,205,195,202,248,244,256,260,262,252,363,364,353,266,442,387,453,377,377,377,377,377,377,334,478,476,452,458,457,441,506,502,565,565,641,602,811,791,879,891,1519,1497,1933,1446,2365,2507,1337,789,989,973,1000,972,1095,1037,1065,1037,988,985,1076,970,1955,1675,1167,1092]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. cxd5 Nxd5 8. Nxd5 {D37: Queen's Gambit Declined: 5 Bf4.} Qxd5 9. a3 {9.Be2 is the modern continuation.} c5 10. dxc5 {The position is equal.} Qxd1+ 11. Rxd1 Bxc5 {[#]} 12. Bd3 $146 {[#] Black must now prevent Be4.} ({Predecessor:} 12. Be2 Bb7 13. O-O Bd5 14. Rd2 a5 15. Nd4 a4 16. Nb5 Ra5 17. Be5 Bc6 18. Bxb8 Rxb8 {0-1 (46) Kratschmer,H (2003)-Giffard,N (2257) Hersonissos 2017}) 12... Bb7 13. Ng5 h6 14. Ne4 (14. Be4 {feels hotter.} Nc6 15. Nxe6 fxe6 16. Rd7 e5 17. Rxb7 exf4 18. Bxc6 fxe3 19. f3) 14... Be7 15. O-O Rd8 {Strongly threatening ...Rxd3!} 16. Bb1 $36 {[%mdl 2048] White is more active.} Nd7 $2 {[#] Loses the game.} (16... Nc6 $11 {and Black is okay.}) 17. Bc7 $18 Bd5 18. Bxd8 Rxd8 19. Nc3 Bb3 20. Rd2 Nc5 21. Rxd8+ Bxd8 22. Ba2 Bc2 (22... Bxa2 $142 23. Nxa2 Kf8) 23. Rc1 Bg6 24. Bb1 Bh5 $2 (24... Bxb1 {was worth a try.} 25. Nxb1 Kf8) 25. Ne4 Be7 26. Nxc5 bxc5 {[%mdl 4096] Endgame KRB-KB} 27. b4 cxb4 28. Rc8+ Bf8 29. axb4 {[%cal Ba3b4,Bb4b5][%mdl 32]} g5 (29... Be2 $142 30. Bh7+ Kxh7) 30. Bd3 {White is clearly winning.} Kg7 31. b5 Bd6 32. f3 g4 33. f4 g3 34. hxg3 Bg4 35. Kf2 e5 36. Rc6 Bb8 37. f5 h5 38. e4 Bd1 39. Be2 Ba4 40. Ra6 Bc2 41. Ke3 Bc7 42. Rc6 Bb6+ 43. Kf3 Ba4 44. g4 hxg4+ 45. Kxg4 Bb3 46. Kf3 f6 47. g4 Bf7 48. Bc4 Be8 49. Re6 {Accuracy: White = 90%, Black = 38%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "4"]
[White "Anton Guijarro, David"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2590"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,73,35,15,53,47,59,60,63,27,63,47,56,43,52,27,52,41,26,18,39,27,22,17,39,20,38,8,18,8,26,9,16,7,17,0,26,26,36,8,275,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 Nbd7 4. g3 g6 5. c4 c6 6. Bg2 Bg7 7. O-O O-O 8. d4 $1 {[%mdl 4] now scores much better than the old 8.d3. Played by Alexander Grischuk in January 2020.} Ne4 9. e3 Ndf6 {D78: Fianchetto Grünfeld: 6 0-0 c6.} 10. Ne5 Bf5 {[#]} 11. f3 $146 ({Predecessor:} 11. Qe2 a6 12. Nc3 Nxc3 13. Bxc3 Be6 14. Rfc1 a5 15. Be1 Ra7 16. Rab1 Re8 17. c5 {½-½ (17) Gyorkos,L (2430)-Ruck,R (2485) Austria 1998}) 11... Nd6 {White is slightly better.} 12. c5 Bxb1 13. Rxb1 Nf5 14. Qe2 Nd7 15. Nd3 b6 16. b4 a5 17. a3 axb4 18. axb4 bxc5 19. bxc5 Qc7 20. Bh3 e6 21. Ra1 Rfb8 22. Bc3 h5 23. Kg2 Rxa1 24. Rxa1 Rb3 25. Bxf5 {[#] Strongly threatening Qc2.} exf5 26. Qc2 Qb7 27. Ra2 Qb5 $2 {[%mdl 8192] [#]} (27... Nf8 $11 {and Black stays safe.}) 28. Rb2 $2 (28. Nc1 $1 $18 Rb1 29. Bb2 Rxc1 30. Bxc1) 28... Rxb2 $11 {The position is equal.} 29. Bxb2 Bh6 30. Bc1 Nf8 31. h4 Ne6 32. Bd2 Bg7 33. Bc1 Bf6 34. Bb2 Bg7 35. Bc1 Bf6 36. Bb2 Bg7 37. Bc1 {Accuracy: White = 80%, Black = 78%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "5"]
[White "Carlsen, Magnus"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2887"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,20,11,14,2,12,-17,-22,-16,-16,-43,-12,0,-4,-16,0,-20,0,0,113,109,149,155,141,150,155,145,139,136,143,158,252,216,327,113,287,197,267,254,255,273,350,247,616,616,616,616,842,819,801,489,1005,611,595,607,557,579,573,551,498,488,583,334,579,318,599,239,262,211,793,800,761,710,29989,29990]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. c3 d6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 7. Nbd2 O-O 8. Nf1 d5 {The position is equal.} 9. Qe2 b5 10. Bb3 d4 11. Ng3 a5 {[#]} 12. a3 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 12. Bg5 h6 13. Bd5 hxg5 14. Bxc6 Rb8 15. Nxg5 Rb6 16. Bd5 Nxd5 17. exd5 Qxg5 18. Ne4 {0-1 (28) Bakalar,J (2120)-Tropp,L (1924) Slovakia 2009}) 12... Rb8 13. O-O dxc3 14. bxc3 b4 (14... a4 $11 {remains equal.} 15. Bc2 Bg4) 15. Ba4 $16 {axb4 is the strong threat.} Rb6 16. Bxc6 Rxc6 17. cxb4 axb4 18. axb4 ({Of course not} 18. Nxe5 $6 Ra6 $11) 18... Bxb4 19. Nxe5 Re6 20. Bb2 c5 (20... Rfe8 $16) 21. Nf5 $18 Rfe8 {[#]} (21... Qc7 $142) 22. f4 $2 (22. Nc4 $1 $18 {and the rest is easy.}) 22... Rb6 $2 {This move loses the game for Black.} (22... c4 $16 {was called for.}) 23. Ne3 Ba6 (23... Ra6 $142 24. Rxa6 Bxa6) 24. N3c4 Bxc4 25. Nxc4 ({And not} 25. dxc4 Bd2 $15) 25... Rb8 26. Ra7 Nd7 $2 {[#]} (26... Re7) 27. Bxg7 $1 {[%mdl 576] Decoy} Kxg7 28. Qg4+ Kf8 29. Rxd7 Qf6 30. e5 Qg6 (30... Qe6 $142 31. Qxe6 Rxe6) 31. Qf3 Rbd8 32. f5 Qg5 33. Rxd8 Rxd8 34. e6 Bc3 35. Kh1 Qf6 36. exf7 Qxf7 $2 (36... Kg7 {was worth a try.} 37. Rb1 Kf8) 37. h3 Bd4 $2 (37... Bf6 {might work better.} 38. Nd2 c4 39. Nxc4 Qd5) 38. Qe4 $2 (38. f6) 38... Qe7 39. Qg4 {And now f6! would win.} Qf7 $2 {[#]} (39... Bf6 40. Rd1 Rd4) 40. f6 $1 Bxf6 {[#]} 41. Ne5 $1 {[%mdl 512]} Qg7 (41... Bxe5 42. Rxf7+) 42. Qe6 {Accuracy: White = 52%, Black = 39%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "5"]
[White "Bu, Xiangzhi"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "D24"]
[WhiteElo "2760"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,88,21,34,33,38,34,41,34,44,43,54,37,52,43,56,0,11,-31,112,97,129,106,95,77,79,77,85,72,73,28,95,88,94,93,104,110,118,39,262,159,167,160,165,160,150,147,149,144,173,185,204,204,204,201,214,194,248,248,248,248,247,244,240,242,237,227,237,239,247,0,0,-451,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e4 b5 6. e5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3.} Nd5 7. Nxb5 Nb6 8. Be2 {White is slightly better.} Nc6 9. O-O Be7 10. Qd2 Qd7 11. Rd1 Bb7 {[#]} 12. a4 $5 $146 {[%mdl 8] New and interesting.} (12. Qf4 $14) ({Predecessor:} 12. Nc3 Nb4 13. Qf4 f5 14. Qg3 O-O 15. h4 Kh8 16. Bg5 N4d5 17. Nd2 Nxc3 18. bxc3 {½-½ (38) Ding,L (2805)-Caruana,F (2818) Saint Louis 2019}) 12... Nb4 13. Na3 {[%cal Bb5a3,Ba3c4,Bc4e3][%mdl 32]} Bd5 (13... Qxa4 $15 {keeps the upper hand.} 14. Qe1 O-O) 14. a5 $16 Nc8 15. Nxc4 Rb8 16. Ne3 Be4 17. b3 O-O 18. Ba3 Rd8 19. Rac1 Nc6 (19... Nd5 $11 {remains equal.} 20. Bc5 Rxb3) 20. Bxe7 N8xe7 21. Qc3 Bxf3 22. Bxf3 Nxd4 {[#]} 23. Kh1 (23. Qc5 $1 $16) 23... Rxb3 $2 (23... c5 $1 $14) 24. Qc5 Rb5 25. Qxa7 c5 26. Qxd7 Rxd7 27. a6 Ra7 {[#]} 28. Bb7 $1 Nec6 29. Nc4 Rbxb7 30. axb7 Rxb7 31. Nd6 Rb2 32. f4 Rc2 (32... Ne7 {keeps fighting.} 33. Rxc5 h5) 33. Rxc2 $18 Nxc2 {[%mdl 4096] Endgame KRN-KNN} 34. Rc1 N6b4 35. Ne4 c4 36. Nd2 c3 37. Ne4 h6 38. Nxc3 Ne3 {intending ...Nd3.} 39. g3 $2 (39. Ne4 $18) 39... Nd3 $11 40. Re1 $2 {[%mdl 8192]} (40. Ra1 $11 Nf2+ 41. Kg1 Nh3+ 42. Kh1 Nf2+ 43. Kg1 Nh3+ 44. Kh1 Nf2+) 40... Nf2+ $2 (40... Nxe1 $19 41. Kg1 Nd3) 41. Kg1 {The position is equal.} Nh3+ 42. Kh1 Nf2+ 43. Kg1 Nh3+ 44. Kh1 Nf2+ {What a bad dream for Black. Accuracy: White = 68%, Black = 68%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "5"]
[White "Svidler, Peter"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2754"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,85,0,0,0,-4,-14,-1,0,0,0,0,-25,0,-10,0,0,36,10,12,14,52,45,83,75,119,111,128,47,96,93,107,33,42,40,34,0,0,0,0,6,26,31,31,0,32,0,0,0,0,0,15,3,2,0,6,12,29,0,0,0,0,0,28,0,66,53,58,10,77,61,45,43,256,256,249,228,29983,29983]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O Nf6 5. b3 Ne4 6. c3 {A07: Réti Opening: New York and Capablanca Systems.} c5 7. Qc2 O-O 8. d3 {[#] The position is equal.} Nf6 $146 ({Predecessor:} 8... Nd6 9. Nbd2 Nc6 10. Bb2 e5 11. e4 d4 12. cxd4 cxd4 13. Nc4 b5 14. Nxd6 Qxd6 15. Nxe5 Nxe5 {½-½ (68) Hartoch,R (2355)-Fuller,K Ramsgate 1984}) 9. e4 Nc6 10. e5 Nd7 11. d4 cxd4 12. cxd4 Nb6 (12... f6 $5 {[%cal Rf6e5]}) 13. Be3 Bf5 14. Qd2 Rc8 15. Nc3 Nb4 16. Nh4 Bd3 17. Rfc1 Ba6 18. Ne2 (18. a3 $16 Nc6 19. a4) 18... Nd3 19. Rxc8 Qxc8 20. Nc1 (20. a4 $16) 20... Nxc1 $14 21. Rxc1 Qd7 22. Bh6 Rc8 23. Nf3 Rxc1+ 24. Qxc1 Bd3 25. Bxg7 Kxg7 26. Ng5 f6 (26... h6 {looks sharper.} 27. Nf3 Qc8 28. Qd2 Qc2 29. Bf1 Bf5) 27. exf6+ (27. Nh3 {feels hotter.} Be4 28. Bf1 g5 29. f4 g4 30. Nf2) 27... exf6 28. Nh3 g5 29. f4 h6 30. Nf2 Bf5 31. h3 Qe7 32. g4 Bg6 33. f5 Bf7 34. Bf3 Qd6 35. Kg2 a6 (35... Qd7 {is more complex.} 36. Nd3 Nc8 37. Nc5 Qc6 38. Kf2 Ne7) 36. Qc5 (36. Nd3 {seems wilder.} Qd7 37. Nc5 Qc6 38. Be2 Kg8 39. Qc3) 36... Qxc5 ({Black should play} 36... Qd8 $1 $11) 37. dxc5 $11 {[%mdl 4096] Endgame KBN-KBN} Nd7 38. b4 a5 (38... Ne5 $11) 39. c6 bxc6 40. bxa5 Nb8 $2 {[#]} (40... Kf8 $1 $14) 41. Be2 $18 c5 42. Bb5 Nc6 $2 (42... d4 $18 43. Nd3 Bd5+ 44. Kf2 c4) 43. Bxc6 {Accuracy: White = 63%, Black = 54%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "5"]
[White "Dubov, Daniil"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2720"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,101,3,3,12,-6,-45,5,5,5,5,5,5,5,5,5,0,0,0,8,0,31,39,31,31,32,28,118,123,128,121,104,120,180,195,195,108,196,185,191,189,185,190,190,190,190,193,190,191,205,211,198,142,176,179,179,177,214,210,246,239,404,393,704,279,270,0,254,138,356,132,356,350,29983,29984,29984,29985,29985,29986,29986,29985,29985,29986,29986,29987]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 {[%cal Bb8d7,Bd7f6,Bf6e4][%mdl 32]} 8. Qf3 Qc7 9. O-O-O b5 10. Bxf6 Nxf6 11. e5 {B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} Bb7 12. Qh3 dxe5 {[#]} 13. Ncxb5 $1 {[%mdl 512] The position is equal.} Qb6 (13... axb5 14. Bxb5+) 14. fxe5 Ne4 {Threatens to win with ...0-0-0.} 15. Qb3 {Strongly threatening Nd6+!} Bc5 $132 {[%mdl 2048] Black is fighting back} 16. Nd6+ $1 Nxd6 17. Qxb6 Bxb6 18. exd6 O-O {[#]} 19. c4 $146 ({Predecessor:} 19. Rd3 Rfd8 20. Nf3 Rac8 21. Rb3 Rxd6 22. Bd3 Bd5 23. Ra3 a5 24. Rd1 g6 25. Kd2 {½-½ (25) Van der Merwe,C (2026)-Farkas,T (2248) Kecskemet 2014}) 19... Rfd8 20. b4 $1 {c5 is the strong threat.} Rxd6 21. c5 {[%mdl 64] Double Attack} Rc8 22. Bc4 Bxc5 (22... g5 $11 {keeps the balance.} 23. Kb2 Bxc5 24. bxc5 Rxc5) 23. bxc5 $16 Rxc5 24. Nc2 Rxd1+ 25. Rxd1 {[%cal Rd1d8]} g5 {[#]} (25... Kf8 $16 {was called for.}) 26. Bxe6 $1 $18 {[%mdl 512]} Bxg2 (26... fxe6 27. Rd8+) 27. Rd8+ $1 Kg7 28. Rd7 Be4 29. Rxf7+ Kg6 30. Rf2 h5 31. Bf7+ Kh6 32. Bb3 g4 33. Kd2 Kg5 34. Nd4 {Hoping for Ne6+.} Kh4 35. Rf4 (35. Ke3 $18 Bb1 36. Kf4) 35... Bb1 36. Rf1 Be4 37. Rf2 a5 38. Ke3 Bb1 39. Kf4 a4 $2 (39... Bg6 40. Be6 Rc3) 40. Be6 {And now Nf3+! would win.} a3 $2 {[#]} (40... Kh3 41. a3 Rc3) 41. Rd2 $2 (41. h3 $1 {White wants to mate with Rh2.} Re5 (41... gxh3 42. Nf3#) 42. Kxe5) 41... Rc1 42. Rf2 $2 ({White should try} 42. Nf5+ $18 Bxf5 43. Kxf5 (43. Bxf5 Rc4+ 44. Be4 Rb4 $18)) 42... Re1 $2 {[%mdl 8192]} (42... Rc5 $1 $11 {and Black is okay.} 43. Rf1 Bh7) 43. Bf5 (43. Nf5+ $18 Bxf5 44. Kxf5 (44. Bxf5 Re8 $18)) 43... Bxf5 $2 (43... Rh1 $16 44. Be6 Bd3) 44. Nxf5+ $16 {[%mdl 4096] Endgame KRN-KR} ({Weaker is} 44. Kxf5 Rb1 $18) 44... Kh3 {[#] This costs Black the game.} 45. Ng3 $1 h4 $2 (45... Rb1 $18 46. Nxh5 Rb6) 46. Ne4 {White mates.} Rxe4+ 47. Kxe4 g3 48. hxg3 hxg3 {[#]} 49. Rf3 $1 Kh2 50. Rxa3 g2 51. Ra8 {Accuracy: White = 79%, Black = 51%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "5"]
[White "Le, Quang Liem"]
[Black "Mamedyarov, Shakhriyar"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2690"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,74,14,-5,0,-22,0,-8,11,6,3,0,0,0,8,0,0,-11,0,-3,-5,-11,0,-14,-10,-4,0,11,85,12,18,0,0,0,0,0,0,-11,0,0,0,0,2,1,1,2,5,-102,-92,-67,0,0,0,0,70,70,71,0,0,-342,12,0,16,-29986,-29987,-29998,-29999]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 d6 {A28: English Opening: Four Knights Variation.} 7. d3 O-O 8. Be2 h6 {The position is equal.} 9. O-O {[#]} a6 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 9... b6 10. e4 Nh7 11. Ne1 f5 12. exf5 Bxf5 13. f4 Qd7 14. Nf3 Rae8 15. fxe5 dxe5 {½-½ (31) Ganguly,S (2615)-Wojtaszek,R (2749) Germany 2019}) 10. Rb1 Rb8 11. a4 a5 12. e4 b6 13. Ne1 Nh7 14. f4 exf4 15. Bxf4 f5 16. exf5 Bxf5 17. Qd2 Ne5 18. Nc2 Qh4 {[#]} (18... Bg6 $11 {keeps the balance.}) 19. Ne3 ({White should try} 19. c5 $1 $16 {[%mdl 512]}) 19... Be6 $11 (19... Bxd3 $2 20. g3 $18) 20. Bg3 Qg5 21. d4 Ng4 22. Bxg4 Bxg4 23. h4 Qh5 24. Nd5 Rxf1+ 25. Rxf1 {Threatening Re1.} Be6 26. Nxc7 Bxc4 27. Re1 $36 {[%mdl 2048] White fights for an advantage.} Rd8 28. Qb2 (28. d5 $11 {remains equal.}) 28... Qg4 $17 29. Re3 Nf6 ({Black should play} 29... Rf8 $15 30. Kh2 (30. Qxb6 $2 Rf1+ 31. Kh2 Nf6 $19) 30... Qg6) 30. Qxb6 $11 {Hoping for Nd5!} Qd1+ 31. Re1 Qd3 (31... Qc2 $11) 32. Nd5 $1 $14 Rf8 33. Ne7+ (33. Nxf6+ $16 Rxf6 34. Qb8+ (34. Bxd6 Kh7 $15) 34... Kh7 35. Qb1 (35. Bxd6 $2 Rg6 $17)) 33... Kh7 $11 34. Qxd6 $2 {[%mdl 8192]} (34. Qb1 $11 {and White has nothing to worry.}) 34... Qxc3 $2 (34... Ng4 $19 {( -> ...Rf1+)} 35. Qg6+ Qxg6 36. Nxg6 Kxg6) 35. Qe5 {Qf5+ is the strong threat.} Qd3 {And now ...Ng4 would win.} 36. h5 $2 {[%mdl 8192] [#]} (36. Qe3 $11) 36... Ng4 $1 37. Qd6 Rf1+ {[%mdl 64] Back Rank. Accuracy: White = 71%, Black = 80%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "6"]
[White "Grischuk, Alexander"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2765"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,124,27,17,16,19,31,12,16,14,14,17,37,21,41,15,20,4,4,2,16,4,15,12,12,13,11,8,40,19,17,20,39,8,13,13,17,0,12,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,27,22,20,2,2,2,3,3,3,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 7. Bd3 dxc4 {Nowadays more popular than 7...Bb7. D37: Queen's Gambit Declined: 5 Bf4.} 8. Bxc4 Ba6 9. Qe2 Bxc4 10. Qxc4 c5 11. dxc5 Bxc5 12. O-O Nbd7 13. Rac1 Qc8 {[#]} 14. Ne5 $146 ({Predecessor:} 14. Rfd1 Rd8 15. Qa4 Qb7 16. h3 Rac8 17. Ne5 Be7 18. Nxd7 Rxd7 19. Bg5 Rdc7 20. Ne2 h6 21. Bf4 {½-½ (21) Vidit,S (2721)-Karjakin,S (2754) Moscow 2019}) 14... Qb7 15. Nxd7 Nxd7 16. Rfd1 Rfc8 {[#] Threatens to win with ...Bxe3!} 17. Qe4 Qxe4 18. Nxe4 Be7 19. g4 Nf6 (19... Nf8 {is more complex.} 20. Nd6 Rd8 21. Kg2 f6 22. Bg3 e5) 20. Nxf6+ Bxf6 21. b3 h6 22. Bc7 Kf8 23. Kg2 Ke8 24. f4 Bb2 25. Rc4 b5 26. Rc6 a6 27. Rd2 Ba3 28. Rdc2 Kd7 29. R6c3 Bb4 30. Rd3+ $1 Ke8 {[#] White must now prevent ...Ba5!} 31. Rd1 $1 Ba3 32. Rdd2 Bb4 33. Re2 f6 34. Kf3 Kd7 35. Bb6 Rxc2 36. Rxc2 {aiming for Rc7+.} Rc8 (36... Bd6 {is more complex.} 37. h4 b4 38. Rd2 Kc6 39. Bd4 a5) 37. Rxc8 Kxc8 $11 {[%mdl 4096] Endgame KB-KB. The position is equal.} 38. f5 Kd7 39. Ke4 Bd6 40. h4 Kc6 {And now ...exf5+ would win.} 41. Bd4 (41. Ba5 {looks sharper.} Kd7 42. h5 Bc5 43. Bd2 Kd6 44. a4) 41... e5 42. Bc3 b4 43. Be1 a5 44. Bg3 Bc5 45. g5 h5 $1 46. g6 Bd6 47. Bf2 Bc5 48. Be1 Bd6 49. Kd3 Bc5 50. Bd2 Kb5 51. Ke4 Kc6 52. Bc1 Bf8 53. Kd3 Kb5 54. Bb2 Bd6 55. Ke4 {Kd5 is the strong threat.} Kc6 56. Kd3 Kd5 {Hoping for ...e4+.} 57. e4+ Kc5 58. Bc1 Kb5 59. Bh6 $1 {[%cal Rh6g7]} Bf8 60. Bd2 Bc5 61. Bh6 Bf8 62. Bd2 Bc5 {Accuracy: White = 96%, Black = 98%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "6"]
[White "Bu, Xiangzhi"]
[Black "Dubov, Daniil"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2760"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,157,16,12,43,26,25,25,17,5,12,1,28,14,16,14,19,31,21,19,20,20,20,0,1,-86,-87,-84,-21,-22,-22,-22,-26,-26,28,-21,-30,-20,-19,-65,-18,-53,-34,-27,-24,-64,-53,-70,-75,-66,-41,-72,-63,-95,-52,-71,-24,-72,0,-4,-9,-13,0,0,52,53,75,76,93,86,86,64,94,99,116,145,305,300,330,296,404,379,440,435,675,675,771,771,771,771,771,768,1056,1010,920,895,1126,771,771,771,771,771,771,771,771,764,4810,771,771,764,764,749,753,746,747,739,737,714,1170,931,12805,10081,5543,742,1326,1295,1315,1254,1181,203,203,0,1121,862,957,906,1218,847,29960,29957,7473,7447,29978,29979,29982,29983,29983,29982,29984,29984]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 {[#]} a5 $146 {D45: Semi-Slav: 5 e3.} ({Predecessor:} 6... Bd6 7. Bd3 O-O 8. O-O e5 9. cxd5 cxd5 10. e4 exd4 11. Nxd5 Nxd5 12. exd5 h6 13. Nxd4 Qh4 14. Nf3 Qh5 15. Bh7+ Kh8 16. Qf5 Qxf5 17. Bxf5 Nf6 18. Bc2 b6 19. Rd1 Bb7 20. Bb3 Rad8 21. Be3 {½-½ (30) Nepomniachtchi,I (2784)-Ding,L (2791) chess.com INT 2020}) 7. Be2 dxc4 8. Bxc4 b5 {White has an edge.} 9. Be2 Bb7 10. O-O Rc8 11. Rd1 b4 12. Na4 c5 13. dxc5 Be4 14. Qc4 Bd5 $1 {[%cal Rd5c4]} 15. Qf4 Be7 16. b3 Ne4 17. h4 {[#]} (17. Nd2 $11 {keeps the balance.} Nc3 18. Nxc3 bxc3 19. Nc4) 17... Bf6 $1 $17 {[%cal Rf6a1]} 18. Rb1 Nc3 (18... Ndxc5 $17 19. Bb5+ Ke7) 19. Nxc3 $11 bxc3 20. Bd3 Nxc5 21. Bc2 $1 O-O ({Black should try} 21... Qc7) 22. Ba3 {aiming for Bxc5.} Qc7 $1 23. Qxc7 Rxc7 24. Rbc1 Rb8 (24... Bxf3 $5 25. gxf3 Bxh4 $17) 25. h5 h6 26. Nd4 Be7 27. Bxc5 Bxc5 28. Ne2 Ba3 29. Rb1 Bb2 30. e4 Bb7 31. f3 Bc6 32. Kf2 Ra7 33. Nf4 a4 (33... Ba3 $17) 34. Nd3 axb3 35. axb3 Ra2 {Hoping for ...Ba3.} 36. Nxb2 cxb2 (36... Bb5 $11) 37. Rd2 $14 Rb7 38. Bd1 Rd7 39. Rxd7 Bxd7 $16 {[%mdl 4096] Endgame KRB-KRB} 40. Ke2 Ra1 41. Rxb2 Bb5+ 42. Kd2 g5 $2 (42... Kf8 $16 43. Be2 Bxe2) 43. Be2 $18 Bc6 44. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Kf8 45. b5 Bb7 46. Rc2 Ke8 (46... Ra8 $142 47. Rc7 Bc8) 47. Rc7 Ra2+ 48. Ke3 Ba8 49. Bc4 Ra3+ 50. Kd4 Ra4 51. Kc5 Ra1 52. b6 Kf8 53. b7 Bxb7 54. Rxb7 {KRB-KR} Rg1 55. g4 Rg3 56. Rb3 Kg7 57. Kd4 Kf6 58. Ke3 Rg1 59. Be2 Ra1 60. Rb5 Ra3+ 61. Bd3 Ra4 62. e5+ Kg7 63. Rb7 Ra5 64. f4 gxf4+ 65. Kxf4 Ra4+ 66. Be4 Kf8 67. Rb8+ Kg7 68. Rd8 Rb4 69. Ke3 $2 (69. Rc8 {Ra8 is the strong threat.} Ra4 70. Rc3) 69... Rb5 70. Kf4 Rb4 71. Rd3 Ra4 72. Rc3 Rb4 73. Rc7 Ra4 74. Ke3 Ra3+ 75. Kf2 Kf8 {[#]} 76. g5 $1 {[%mdl 64] Promotion. White mates.} hxg5 77. h6 Rh3 78. Rc8+ Ke7 79. h7 {Accuracy: White = 72%, Black = 51%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "6"]
[White "Xiong, Jeffery"]
[Black "Mamedyarov, Shakhriyar"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2724"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "50"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,50,0,0,-29,-29,-22,-17,-18,-24,-27,-13,-11,-9,-17,-13,-15,-12,0,10,8,14,4,16,0,8,-28,-9,-6,-8,-5,0,0,0,0,6,-92,-96,-438,-428]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Be3 Bc5 6. c3 Nge7 7. Bb5 O-O {7...Bb6 is more advanced technology.} 8. Nxc6 {C45: Scotch Game.} (8. Bxc6 {looks sharper.} bxc6 9. O-O Bb6 10. Nd2 d6 11. Re1) 8... dxc6 9. Bxc5 {And now Bf1 would win.} cxb5 10. O-O {The position is equal.} b6 11. Be3 {[#]} Bb7 $146 ({Predecessor:} 11... Be6 12. Nd2 Rad8 13. Qf3 Qg6 14. Qg3 Rd7 15. Qxg6 Nxg6 16. Nf3 Bc4 17. Rfd1 Rfd8 18. Rxd7 Rxd7 {0-1 (40) Larrea Reta,J (1860)-Otano Villanueva,J (1652) Pamplona 2013}) 12. Nd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} c5 13. a4 bxa4 14. Qxa4 Rfd8 15. Rfd1 h6 (15... Ng6 {is interesting.} 16. Nf1 Ne5 17. Rxd8+ Rxd8 18. b4 cxb4 19. Qxb4 Nc6) 16. Nf1 Qc6 17. Qxc6 Nxc6 18. Ng3 Na5 19. b4 cxb4 20. cxb4 Nc4 21. Bd4 a5 22. Rac1 b5 23. bxa5 Rxa5 24. Nf5 (24. f3 $11 {keeps the balance.}) 24... Bxe4 $17 25. Nxg7 $2 {[%mdl 8192] [#]} (25. Ne3 $17) 25... Bc2 $1 {[%mdl 512] Accuracy: White = 57%, Black = 100%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "6"]
[White "Korobov, Anton"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "E17"]
[WhiteElo "2667"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,66,-2,9,6,14,7,20,26,16,0,0,-12,-5,-25,-24,-40,41,12,33,-29,-41,-36,-5,-12,-16,-111,-116,-122,-102,-87,-75,-164,-75,-91,-38,-330,-306,-554,-535,-731,-722,-767,-774,-830,-633,-910,-771,-3733,-3050,-29981,-29982]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 c5 8. d5 exd5 9. Ng5 h6 10. h4 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7.} Na6 11. cxd5 Nb4 {[%mdl 64] Double Attack} (11... hxg5 12. hxg5 Nb4 13. Qb1 $14) 12. Qd1 {[#] The position is equal.} d6 $146 ({Predecessor:} 12... hxg5 13. hxg5 Nh7 14. a3 Na6 15. e4 g6 16. f4 f5 17. gxf6 Bxf6 18. Qg4 Qe8 {1-0 (38) Ponomariov,R (2705)-Korotylev,A (2600) Moscow 2007}) 13. a3 Na6 14. Qc2 Nc7 15. Bf4 b5 16. Rd1 b4 (16... a5 $15) 17. Nce4 {White wants to mate with Nxf6+.} Nce8 (17... hxg5 $6 18. Nxf6+ Bxf6 19. hxg5 $18) 18. Nxf6+ (18. axb4 $1 $14 cxb4 19. Nxf6+ Nxf6 20. Ne4) 18... Nxf6 $11 19. Ne4 Rc8 ({But not} 19... Nxd5 $6 20. Ng5 $16) (19... Nxe4 {seems wilder.} 20. Bxe4 a5 21. Bd3 Bf6 22. Kf1 Ba6) 20. Nxf6+ Bxf6 21. g4 (21. O-O $11) 21... Bxh4 $17 22. Bxd6 Bxf2+ ({Of course not} 22... Qxd6 $6 23. Rxh4 Rfe8 24. g5 $11) 23. Kxf2 Qxd6 {[#]} 24. Bf3 {[#]} (24. g5 $1 $17 {[%mdl 512]}) 24... Qf6 (24... Rfe8 $1 $19 25. g5 Re5 26. gxh6 g6 27. h7+ Kh8 28. axb4 cxb4) 25. Rh5 Rfd8 {[#]} (25... Rfe8 $17 26. g5 Qe5 27. gxh6 Qe3+ {[%mdl 64] Double Attack} 28. Kf1 g6 29. h7+ Kh8) 26. Rg1 $2 {[%mdl 8192] Now White is beyond hope.} (26. g5 $1 $15 {[%mdl 512]} Qb6 (26... hxg5 27. Qh7+) 27. gxh6) 26... Rxd5 $19 27. g5 $2 (27. Rxd5 Bxd5 28. axb4) 27... Rxg5 28. Rgxg5 hxg5 29. Qh7+ Kf8 30. Rh1 Rd8 {Threatens to win with ...Bxf3.} 31. Qh8+ Ke7 32. Qh2 Qd4+ 33. Kf1 Bxf3 {Accuracy: White = 35%, Black = 65%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.15"]
[Round "6"]
[White "Anton Guijarro, David"]
[Black "Svidler, Peter"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2590"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,120,31,34,39,30,30,41,36,36,36,47,34,37,38,37,27,64,62,56,29,30,33,39,26,68,64,101,100,150,43,73,77,84,22,12,-9,0,0,0,0,0,-27,-19,-84,0,-7,-2,-42,148,0,0,0,0,0,0,0,0,-8,-8,-8,-8,-8,-8,-8,-8,-133,-133,-166,-8,-14,-8,-8,-8,-8,-8,-8,-8,-8,-8,-134,-134,-134,-133,-134,-134,-29960,-6782,-6606,-6287,-29973,-29974,-29976,-29975,-29976,-29976,-29978,-29979,-29979,-29980,-29981,-29982,-29982,-29983,-29984,-29985,-29987,-29988]} 1. Nf3 g6 2. e4 Nf6 3. Nc3 d6 4. d4 Bg7 5. Be2 O-O 6. O-O Nbd7 7. e5 Ne8 8. Bf4 c6 {8...Nb6 is vanishing.} 9. Re1 {B08: Pirc Defence: Classical System.} dxe5 10. dxe5 Nc7 11. Bg3 {White is slightly better.} Ne6 12. a4 Qa5 13. Bc4 Nb6 14. Ba2 Rd8 15. Qe2 {[#]} Nd5 $146 ({Predecessor:} 15... Bd7 16. Qe4 Nc8 17. b4 Qc7 18. Rad1 a5 19. b5 Nb6 20. Nd4 c5 21. Nf3 c4 {1-0 (40) Fox,A (2112)-Salem,I (2201) London 2001}) 16. Nxd5 cxd5 17. Red1 b6 18. c3 Qc5 19. Nd4 Nxd4 20. Rxd4 Be6 21. Rad1 h5 22. Qb5 (22. c4 $16) 22... a6 23. Qe2 b5 24. a5 (24. axb5 $1 $16 axb5 25. Bb3) 24... Qc7 $11 25. Bxd5 Rxd5 26. Rxd5 Bxd5 27. Rxd5 e6 28. Rd1 Qxa5 29. Bh4 (29. Qd2 $11 {keeps the balance.}) 29... Qa4 (29... b4 $1 $17) 30. g3 Bxe5 31. Rd7 (31. Rd2 $5 {[%cal Re2e5]} Bg7 32. Qf3 $11) 31... Bg7 $2 {[#]} (31... b4 $15 {stays ahead.} 32. Rb7 Rb8 33. Rxb8+ Bxb8) 32. Rxf7 (32. Qf3 $1 $16 {[%mdl 512]} Rf8 33. Be7) 32... Kxf7 33. Qf3+ {[%mdl 64] Double Attack} Kg8 34. Qxa8+ Kh7 35. Kg2 Qa2 36. Qb7 Qd5+ 37. Qxd5 exd5 {[%mdl 4096] Endgame KB-KB} 38. Kf3 d4 39. cxd4 Bxd4 40. b3 {[#]} (40. b4 $1 $11 {was the only way to keep the balance.}) 40... a5 $1 $17 41. Be7 Bb2 $2 (41... Kg8 $19 42. Ke2 Kf7) 42. Ke2 a4 43. bxa4 bxa4 {White must now prevent ...g5.} 44. Kd3 Kg8 45. Kc4 Kf7 46. Bc5 Ke6 47. Kb4 (47. Be3 $11) 47... Kd5 {...a3 is the strong threat.} 48. Be7 a3 {( -> ...a2)} 49. Kb3 Ke4 50. f4 $2 {[%mdl 8192] [#] This costs White the game.} ({But not} 50. Bxa3 $2 Bxa3 51. Kc4 Kf3 $19) (50. h3 $17) 50... Kf3 $1 {[%cal Rf3g2]} 51. Bd6 Kg2 52. h4 Kf3 {Black mates.} 53. Be5 Bc1 54. Bc7 Be3 55. Kxa3 Bf2 56. Kb3 Bxg3 57. Kc4 Bxh4 58. Kd5 Bg3 59. Ke6 h4 60. Kf6 h3 {Accuracy: White = 59%, Black = 75%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "7"]
[White "Carlsen, Magnus"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2887"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,63,33,29,29,0,34,29,29,19,29,17,57,28,36,19,23,8,38,21,19,17,28,31,43,57,339,335,419,420,410,420,566,548,515,490,1109,976,1347,1276,29991,29983,29986,29981,29978,29978,29993,29994]} 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. Nxe5 O-O 5. Nd3 Bxc3 6. dxc3 Nxe4 7. Nf4 Re8 8. Be2 d6 9. O-O Nd7 10. c4 Ndc5 {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves.} 11. f3 Nf6 12. b3 Qe7 {...Qe5 is the strong threat.White has an edge.} 13. Rf2 Qe5 14. Rb1 {[#]} a5 $146 ({Predecessor:} 14... Bd7 15. Bf1 Bc6 16. Qd2 Nfe4 17. fxe4 Nxe4 18. Qe3 Nc3 19. Qxe5 dxe5 20. Ra1 exf4 21. Bxf4 {0-1 (64) Artemiev,V (2709)-Firouzja,A (2607) St Petersburg 2018}) 15. Qd2 h6 16. Bb2 Qg5 17. Bf1 Ne6 18. Nd5 Nxd5 19. cxd5 Nf4 {White must now prevent ...Nh3+.} 20. Kh1 Nxd5 21. f4 $1 $36 {[%cal Rf4g5][%mdl 2048] White has the initiative.} Qf5 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (21... Qh4 $14) 22. g4 $1 $18 {[%cal Rg4f5][%mdl 512]} Qe6 (22... Qxg4 23. Qxd5) 23. Re2 Ne3 24. Bg2 Qxg4 25. Rxe3 Rxe3 26. Qxe3 Bf5 (26... Qe6 $142 27. Qc3 {[%mdl 64] Double Attack} f6 28. Qxc7 Kh8) 27. Rg1 Qh5 28. Bxb7 Rb8 29. Bf3 {White mates.} Qh4 30. Bxg7 Bg6 31. Bc3 Qh3 {[#]} 32. Rxg6+ $1 {Accuracy: White = 90%, Black = 39%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "7"]
[White "Svidler, Peter"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2754"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "139"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,139,24,37,17,30,12,12,8,47,41,60,33,54,0,25,29,43,49,59,47,82,60,62,64,89,0,0,8,18,18,16,-8,0,8,35,7,9,0,0,0,0,0,0,4,9,0,0,0,0,0,40,41,43,50,49,0,0,-55,-54,-56,-45,-50,-16,-18,-14,-63,-54,-61,-56,-58,0,0,0,0,0,0,116,0,8,8,8,0,17,8,8,10,14,8,8,8,8,8,51,8,8,0,47,0,0,0,0,0,0,0,0,0,0,8,8,-8,8,8,8,8,8,-973,1703,1423,29979,29980,29984,29985,29986,29985,29985,29986,29986,29987,29987,29988,29988,29989]} 1. Nf3 d5 2. g3 Nc6 3. d4 Bg4 4. Bg2 e6 5. O-O Bd6 6. Nbd2 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Nf6 7. c4 O-O 8. b3 {[#] The position is equal.} Nb8 $146 ({Predecessor:} 8... Ne4 9. Bb2 f5 10. Ne1 Qg5 11. Nxe4 fxe4 12. f3 Bf5 13. Qc1 Qg6 14. Qe3 h5 15. fxe4 dxe4 {1-0 (48) Meskovs,N (2558)-Koykka,P (2372) Stockholm 2019}) 9. h3 Bh5 10. g4 Bg6 11. Nh4 (11. Ne5 $14) 11... c6 (11... Be4 $5) 12. Nxg6 hxg6 13. e3 Nbd7 14. g5 Nh5 15. Qg4 f5 16. gxf6 Qxf6 17. f4 (17. Nf3 $16) 17... Qf5 $11 18. Nf3 Ndf6 19. Qxf5 gxf5 20. Ng5 Rfe8 21. Kf2 a5 22. a3 c5 23. Bb2 a4 24. dxc5 Bxc5 {Threatens to win with ...Nxf4.} 25. Bxf6 Nxf6 26. b4 Ba7 27. c5 b6 28. cxb6 Bxb6 29. Rac1 Rac8 (29... e5 $5 30. Rc6 $8 Rab8 $11) 30. Ke2 Kf8 31. Nxe6+ Kf7 32. Nc5 d4 $1 33. Kd3 (33. Kf2 $11) 33... Rxe3+ $15 34. Kxd4 Rxa3 35. Kc4 Rg3 36. Bb7 Rc7 {White must now prevent ...Bxc5.} 37. Ba8 Rxh3 38. Kb5 {[%mdl 64] [#] Double Attack} Bxc5 39. Rxc5 Ra7 (39... Rxc5+ $15 40. Kxc5 a3) 40. Bc6 $11 a3 41. Rxf5 a2 42. Ra1 Rc3 {[#]} (42... Rh2 $11) 43. Rc5 (43. Rxa2 $1 $16 {[%mdl 512]} Rxa2 44. Bd5+ {[%mdl 64] Double Attack} Ke7 45. Bxa2) 43... Rb3 {Strongly threatening ...Rb1.} 44. Rc2 Rba3 $132 {[%mdl 2048] Black is not keeping still} 45. Kb6 R7a6+ 46. Kc5 Ke6 47. b5 R6a5 48. Re2+ Kf5 $1 49. Kd6 Rd3+ 50. Kc7 Rc3 51. Kb6 Rca3 52. Kc7 Rc3 53. b6 Rac5 54. Re5+ $1 Rxe5 55. fxe5 {[%mdl 4096] Endgame KRB-KRN} Nd5+ $1 56. Kb7 Nb4 57. Be8 Ra3 {Hoping for ...Nc2.} 58. Kc8 {aiming for b7.} Nc2 ({Much weaker is} 58... Kxe5 $6 59. b7 $16) 59. Rf1+ Kg5 60. b7 Rc3+ 61. Kd8 Rb3 62. Bc6 $2 {[%mdl 8192]} (62. Kc7 $11 Rc3+ 63. Kd6 Rd3+ 64. Kc5 Rc3+ 65. Kd6 Rd3+ 66. Kc7 Rc3+ 67. Kd6) 62... a1=Q $4 {[%mdl 8192]} (62... Rb1 $19 63. Bg2 Nb4) 63. Rxa1 $18 Nxa1 64. e6 {White mates.} Nc2 65. e7 Rd3+ 66. Kc7 Re3 67. e8=Q Rxe8 68. Bxe8 Nb4 69. Bb5 Nd5+ 70. Kd6 {Accuracy: White = 78%, Black = 73%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "7"]
[White "Dubov, Daniil"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2720"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,20,5,25,27,30,-14,0,0,0,-9,-20,-72,-62,-72,-59,-78,-84,-82,-20,-24,177,169,194,178,191,193,198,204,211,194,204,190,189,106,140,106,262,254,344,265,389,387,495,480,477,436,529,602,585,606,591,585,631,535,881,882,1009,983,2101,929,29981,29980,29979,29980]} 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. e3 Na6 {[%cal Bb8a6,Ba6b4,Bb4d3][%mdl 32] A30: Symmetrical English: Double Fianchetto and Hedgehog.} 9. Qe2 d5 10. cxd5 Nb4 {[#] The position is equal.} 11. Na3 $146 ({Predecessor:} 11. d3 Nbxd5 12. Rd1 Qc7 13. Na3 Rfd8 14. Rac1 Ba6 15. Be5 Qd7 16. Ne1 Rac8 17. Qb2 {0-1 (29) Mulenko,A (2114)-Shmarina,D (1865) Kostroma 2010}) 11... Qxd5 12. Nc4 Qd3 13. Qxd3 (13. Qd1 $11 {keeps the balance.} Qf5 14. d4) 13... Nxd3 $17 14. Bc3 Rfd8 15. a4 Rab8 16. Nfe5 Bxg2 ({Black should play} 16... Ne4 $17 17. Nxd3 Nxc3) 17. Kxg2 $11 {White wants to play Nc6.} Ne4 $2 (17... Nxe5 $11 {and Black has nothing to worry.} 18. Bxe5 Rbc8) 18. Nc6 $1 $18 {[%csl LRa7,LRb8,LRd8,LRe7][%mdl 64] [#] Double Attack} Bxc3 19. dxc3 Nxc3 20. Nxe7+ ({Much less strong is} 20. Nxb8 $6 Rxb8 21. Na3 a6 $16) ({Not} 20. Nxd8 Rxd8 21. f4 f6 $14) 20... Kg7 {And now ...Rd7 would win.} 21. Nc6 $1 {[%csl LRa7,LRb8,LRd8][%mdl 64] Double Attack} Rbc8 22. Nxd8 Rxd8 23. g4 f5 24. h3 (24. gxf5 $18 gxf5 25. f4) 24... Kf6 25. f4 Ke6 $2 (25... Nb4 $16) 26. Kf3 Rf8 27. g5 Rh8 (27... Nb4 $142 28. h4 Rd8) 28. h4 h6 {[#]} 29. Rad1 $1 {[%mdl 512]} Nxd1 30. Rxd1 {[%mdl 4096] Endgame KRN-KRN} Nb4 31. Rd6+ Ke7 32. Rxg6 hxg5 33. hxg5 Nc2 34. Nd6 Rh3+ 35. Kg2 Rh5 36. Nxf5+ Kd7 37. Kf3 (37. Rh6 $142 Nb4 38. Rxh5) 37... Na1 38. Rd6+ Kc7 39. Rh6 {Accuracy: White = 66%, Black = 32%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "7"]
[White "Mamedyarov, Shakhriyar"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "2716"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,120,10,12,18,8,-1,6,-26,34,22,39,45,36,35,50,0,18,4,12,-15,-43,-142,-163,-183,-171,-178,-166,-173,-169,-182,-174,-187,-184,-171,-58,-35,-5,-68,-55,-83,0,0,0,0,0,0,0,0,0,0,216,216,214,191,284,55,55,55,55,55,55,55,63,55,63,55,55,55,55,55,55,55,55,55,55,55,55,55,55,48,48,48,48,48,48,48,48,48,48,48,55,14,48,48,48,48,48,48,48,48,48,48,48,48,48,48,48,0,48,0,48,0,48]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. Bg5 h6 6. Bd2 {E61: King's Indian: Early deviations for White, including Smyslov System.} O-O 7. Qc1 Kh7 8. h4 {[#]} Nc6 $146 (8... Nh5 $11) ({Predecessor:} 8... Bg4 9. h5 Bxh5 10. Nh2 g5 11. Nf3 Kg8 12. Nxg5 hxg5 13. Bxg5 Bg6 14. Bh6 Bh8 {1-0 (99) Mamedyarov,S (2817)-Demchenko,A (2679) chess.com INT 2019}) 9. d5 $14 Ne5 10. Nxe5 dxe5 11. Qc2 h5 12. O-O-O c6 13. e4 cxd5 14. exd5 b5 15. cxb5 (15. c5 $1 $15) 15... Bf5 $36 {[%mdl 2048] Black is on the roll.} 16. Bd3 {[#]} e4 $1 {[%cal Re4d3]} 17. Nxe4 Bxe4 18. Bxe4 {[#]} Rc8 $1 19. Bc3 Nxe4 20. Qxe4 Bxc3 21. bxc3 Qa5 (21... Rxc3+ $19 22. Kb1 Qa5) 22. Rh3 $15 Qxa2 23. Qc2 ({Don't blunder} 23. Qxe7 $2 Rce8 $19) (23. Rf3 $11) 23... Qa5 24. c4 Qa1+ (24... Rc5 $17 {aiming for ...Rfc8.} 25. Rdd3 a6) 25. Kd2 $11 Qd4+ 26. Ke1 Qxc4 27. Qxc4 Rxc4 {[%mdl 4096] Endgame KRR-KRR} 28. Ra3 Rc7 29. Rda1 Rd8 $2 (29... Rb7 $11 {and Black stays safe.}) 30. Rxa7 $18 Rxa7 31. Rxa7 Rxd5 (31... Kg7 $142) 32. Rxe7 $2 (32. b6 $18) 32... Rxb5 $14 33. Rxf7+ $18 {KR-KR} Kh6 34. Rc7 Rb1+ 35. Ke2 Rb2+ 36. Ke3 Rb3+ 37. Kd2 Rb2+ 38. Rc2 $1 {[%cal Rc2b2]} Rb4 39. g3 Kg7 40. Kd3 Kf6 41. Rc4 Rb2 42. Ke3 Rb3+ 43. Kf4 Rb6 44. Rc5 Ra6 45. Rd5 Ra4+ 46. Ke3 Ra3+ 47. Ke4 Ra4+ 48. Rd4 Ra6 49. Rc4 Rb6 50. Kd5 {Rc6+ is the strong threat.} Rb2 51. Rf4+ Kg7 52. Ke4 Rb4+ 53. Kf3 Rb3+ 54. Kg2 Ra3 55. Rf3 Ra2 56. Rc3 Ra6 57. Rc7+ Kf6 58. Rc3 Kg7 59. Rc7+ Kf6 60. Rc3 Kg7 {Never resign too early! Accuracy: White = 77%, Black = 82%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "7"]
[White "Le, Quang Liem"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2690"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "116"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,116,23,20,31,34,34,32,36,37,33,49,49,52,56,59,46,43,40,39,43,32,29,64,35,29,25,28,46,32,33,95,31,27,38,60,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,369,351,311,0,0,0,0,-115,-118,-286,-293,-272,-271,-255,-240,-344,-347,-394,-83,-79,5,0,3,0,0,0,281,0,0,-39,-54,-34,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 O-O 6. Nf3 d6 7. O-O c6 8. Qb3 {Recently 8.b3 got a lot of attention.} Na6 9. Rd1 {A88: Dutch Defence: Leningrad System: 5 Nf3 0-0 6 0-0 d6 7 Nc3 c6.} Kh8 10. d5 Nc5 {[#]} 11. Qa3 $146 {White is slightly better.} ({Predecessor:} 11. Qc2 e5 12. dxe6 Qe7 13. Bf4 Rd8 14. Ng5 Bxe6 15. Nxe6 Nxe6 16. Qd2 Nxf4 17. Qxf4 {0-1 (42) Nordby,B (2009)-Krieger,H (2120) Bad Wiessee 2012}) 11... Bd7 12. Be3 Nfe4 13. Bd4 Bxd4 14. Nxd4 cxd5 15. cxd5 Nf6 $1 16. b4 Nce4 17. Nxe4 fxe4 18. Qb2 Kg8 19. Rac1 Qb6 20. e3 a5 21. b5 Rac8 22. Qb1 Bf5 (22... Bg4 $14) 23. h3 ({Better is} 23. Nxf5 $16 gxf5 24. Rxc8 Rxc8 25. Bh3) 23... h5 $1 $14 24. a4 Kh7 25. Ne2 ({White should play} 25. g4 $14 hxg4 26. hxg4 Bxg4 27. Bxe4 Bxd1 28. Rxd1) 25... Kg7 $11 26. Qa1 Rc5 27. Rxc5 Qxc5 28. Nf4 {aiming for Bxe4!} Rc8 29. Bxe4 $1 {[%mdl 64] [#] Pin} Qc3 30. Bxf5 gxf5 31. Qb1 Qc2 32. Ne6+ Kf7 $2 {[%mdl 8192]} (32... Kg6 $1 $11) 33. Qxc2 Rxc2 $18 {[%mdl 4096] Endgame KRN-KRN} 34. Nd4 $2 (34. Nd8+ $18 Kg6 35. Nxb7) 34... Ra2 35. Nxf5 Rxa4 36. Kg2 (36. f3 $1 $11) 36... Rb4 $17 37. g4 $2 (37. Ra1 $17) 37... hxg4 $19 38. hxg4 Rxg4+ ({Less strong is} 38... Nxg4 39. f3 $17) ({Not} 38... Rxb5 39. f3 $17) 39. Kf3 {[#] Nh6+ is the strong threat.} Rb4 40. Rc1 (40. Ra1 {was called for.}) 40... Nxd5 41. e4 Nf6 $2 (41... Rb3+ $19 {and Black stays clearly on top.} 42. Ke2 Nc3+ 43. Ke1 Nxe4) 42. Rc7 $17 Ng8 (42... Nxe4 $17 {And now ...Ke6 would win.} 43. Rxb7 Nc5) 43. Rxb7 Kf6 44. b6 a4 45. Rb8 e6 $2 {[%mdl 8192]} (45... Kf7 $11 {and Black is okay.}) 46. Rf8+ $2 (46. Nxd6 $18 Ne7 47. b7) 46... Ke5 $11 47. Ne3 Nf6 48. Ra8 d5 ({Avoid the trap} 48... Rxe4 $2 49. b7 $18) 49. exd5 {The position is equal.} Nxd5 50. b7 Rxb7 51. Rxa4 Rf7+ 52. Kg2 Nxe3+ 53. fxe3 {KR-KR} Kd5 54. Rd4+ Ke5 55. Rb4 Rf8 56. Ra4 Kd5 57. Rd4+ Ke5 58. Rb4 Kd5 {And White is the lucky defender. Accuracy: White = 75%, Black = 76%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "8"]
[White "Carlsen, Magnus"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2887"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "135"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,135,-15,-10,-56,-50,-40,-47,-72,-70,-83,-60,-67,0,0,0,0,12,0,50,18,23,19,19,12,20,16,25,11,5,15,23,18,18,25,19,19,22,9,20,16,35,27,29,27,91,96,121,52,51,54,52,45,56,39,74,52,71,66,100,55,90,55,77,78,90,86,91,27,22,38,143,100,106,29,20,22,41,35,63,57,67,47,24,22,33,0,612,94,94,55,94,0,0,0,0,0,94,0,0,0,0,0,0,0,0,0,0,0,114,122,42,130,116,127,131,155,510,509,637,628,1085,1000,6383,6311,6119,6119,29983,29982]} 1. d4 Nf6 2. Nf3 d5 3. Bf4 Bf5 4. e3 e6 5. Ne5 Nfd7 {[#]} 6. c4 $146 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} (6. g4 {with more complications.} Be4 7. f3 Bg6 8. Nxg6 hxg6 9. Nc3) ({Predecessor:} 6. g4 Bg6 7. Nxg6 hxg6 8. c4 dxc4 9. Bxc4 Nb6 10. Bb3 Bd6 11. Qf3 Qf6 12. Nd2 Bxf4 13. Ne4 {0-1 (50) Olcum,A (2320)-Eren,A (2171) Antalya 2019}) 6... Nxe5 7. Bxe5 Nc6 8. Bg3 {Black is slightly better.} Nb4 9. Na3 c6 10. Be2 {[#]} Be7 (10... h5 $1 $15 {[%mdl 512]} 11. h4 (11. Bxh5 Nd3+) 11... Bd6) 11. O-O $11 O-O 12. Qd2 a5 13. Rfc1 b6 14. cxd5 exd5 15. Nb1 {White wants to play a3.} Qd7 16. Nc3 Na6 17. a3 Qb7 18. Bd3 Bxd3 19. Qxd3 Rfc8 20. Rc2 Nc7 21. Bxc7 Rxc7 22. Rac1 Rac8 23. Qf5 Bd6 24. g3 b5 25. a4 b4 26. Ne2 b3 (26... g6 $11 {keeps the balance.} 27. Qf6 Be7) 27. Rc3 $16 Qb4 28. Qd3 (28. Ra1 $1 $16) 28... Qxa4 $14 29. Rxb3 Bb4 30. Nf4 g6 31. h4 Rd7 32. Kg2 Kg7 33. h5 Rb8 34. Rh1 Rd6 35. Qd1 Rf6 36. Nd3 Qb5 37. h6+ Kg8 38. Qc2 (38. Nc5 $1 $16) 38... Qc4 $11 39. Rc1 Qa6 (39... Qxc2 $14 40. Rxc2 g5) 40. Ne5 {Strongly threatening Nd7.} Rc8 41. Qd3 (41. e4 $16) 41... Qb7 $1 42. Qd1 Qe7 43. Qg4 Rc7 44. Nd3 Rf5 45. Nxb4 axb4 46. Rc5 Qf6 47. Qe2 {Hoping for g4.} Rb7 $2 {[%mdl 8192]} (47... Rh5 $11) 48. Ra5 $2 (48. g4 $18 {and the rest is easy.}) 48... Qd8 $16 49. Ra4 Rh5 {[#]} 50. Raxb4 (50. Qa6 $1 $16 {[%cal Ra6b7]} Qc8 51. Qa8 {[%mdl 64] Back Rank} (51. Kg1 Rxh6 52. Qe2 Qf5 $17)) 50... Rxb4 $11 51. Rxb4 Rxh6 $16 {[%mdl 4096] Endgame KQR-KQR} 52. Qf3 Kg7 {[#]} (52... Qe7 $11 53. Rb8+ Kg7) 53. Qf4 ({White should play} 53. Rb7 $1 $16 {[%mdl 512]} Qe8 54. Qf4) 53... Qd7 $11 54. Qe5+ f6 55. Qb8 $40 {[%mdl 128] White is up to no good.} Qh3+ 56. Kf3 Qf5+ 57. Ke2 {Threatening mate with Rb7+.} Qc2+ 58. Kf3 {[%cal Rb4b7]} Qd1+ (58... Qe4+ $11 59. Ke2 Qc2+ 60. Kf3 Qe4+ 61. Ke2 Qc2+) 59. Kf4 $16 {[%cal Rb4b7]} g5+ 60. Kf5 {[%cal Rb4b7]} Qd3+ 61. Ke6 {Rb7+ would kill now.} Qe4+ 62. Kd7 f5 $2 {This move loses the game for Black.} (62... Kf7 $16) 63. Qe5+ $18 Kf7 64. Rb8 Qxe5 65. dxe5 Re6 {[#]} 66. Rf8+ $1 {[%mdl 576] Deflection} Kxf8 67. Kxe6 f4 68. Kd7 {Accuracy: White = 66%, Black = 58%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "8"]
[White "Svidler, Peter"]
[Black "Dubov, Daniil"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2754"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,82,-24,-15,-25,22,23,49,17,54,21,52,29,29,29,26,0,0,0,2,23,8,11,18,0,50,44,62,45,131,109,124,120,93,74,93,73,72,-8,-8,-8,16,18,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,227,222,209,54,54,54,53,-1873,-1653]} 1. Nf3 d5 2. d3 Nf6 3. Nbd2 Nc6 4. e4 e5 5. c3 a5 6. Be2 Be7 7. O-O O-O 8. Re1 Re8 9. Qc2 Bc5 10. h3 {C44: Ponziani Opening and Scotch Gambit.} dxe4 11. dxe4 {[#]} Be6 $146 ({Predecessor:} 11... Nh5 12. Nc4 Qf6 13. Be3 Bf8 14. Ncd2 Nf4 15. Bf1 h6 16. Kh2 Bd7 17. g3 Ne6 {½-½ (65) Yeap,E (2137)-Sonjaya,D (2292) Penang 2013}) 12. Nc4 {White is slightly better.} Qe7 13. Bf1 Rad8 14. Ne3 h6 15. a3 Ra8 16. b3 Red8 17. Bb2 {[#]} a4 $1 {[%mdl 512]} 18. b4 (18. bxa4 Bxe3) 18... Bb3 19. Qe2 Bxe3 20. Qxe3 Nd7 21. c4 Nb6 22. Rac1 {And now b5 would win.} Qf6 (22... Nd7 $14) 23. c5 Nc8 24. b5 Nd4 25. Nxd4 exd4 26. Qg3 c6 27. Re3 ({White should play} 27. b6 $16) 27... Ne7 $11 28. Rf3 Qg5 29. Qxg5 hxg5 30. Rd3 cxb5 31. Rxd4 Rxd4 32. Bxd4 Nc6 33. Bc3 $1 $36 {[%mdl 2048] White is more active.} Bc4 34. Rb1 {Threatens to win with Bxc4.} Rd8 35. f3 Bxf1 36. Kxf1 {[%mdl 4096] Endgame KRB-KRN} Rd3 37. Rc1 $1 Nd4 $2 (37... f5 $11) 38. Bxd4 $1 $18 Rxd4 {[#]} 39. Rb1 $2 ({Only move:} 39. Ke2 $1 $18) 39... Rd3 $14 {Threatening ...Rb3.} 40. Rxb5 Rb3 41. Rxb7 $2 {[%mdl 8192]} (41. Rb6 $14) 41... Rxb7 {Accuracy: White = 63%, Black = 72%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "8"]
[White "Mamedyarov, Shakhriyar"]
[Black "Grischuk, Alexander"]
[Result "0-1"]
[ECO "E67"]
[WhiteElo "2716"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,94,14,20,10,0,0,-8,0,-11,0,0,17,18,29,-7,16,21,25,7,31,0,0,-13,-6,-13,-9,-26,-26,-79,-74,-77,-72,-72,-31,-31,-31,-26,-33,-35,-31,-24,-18,-95,-92,-100,-92,-113,-113,-195,-180,-478,-297,-413,-405,-397,-390,-29988,-292,-925,-925,-866,-686,-860,-677,-897,-837,-873,-349,-29988,-29972,-29990,-29991]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. g3 O-O 6. Bg2 Nbd7 7. O-O e5 8. Qc2 exd4 9. Nxd4 Nb6 10. Rd1 Nxc4 11. Ncb5 a6 12. Qxc4 axb5 13. Nxb5 Ne8 {13...Bd7 is not played anymore. E67: King's Indian: Fianchetto: 6...Nbd7.} 14. Qc2 Bf5 15. e4 Bg4 {The position is equal.} 16. f3 {[#]} Bd7 $146 ({Predecessor:} 16... Be6 17. Nc3 c6 18. Be3 b5 19. a3 Qb8 20. Ne2 Bc4 21. Bd4 Nf6 22. b3 Bxe2 23. Qxe2 {1-0 (51) Simek,P (2354)-Hollan,M (2341) Klatovy 2018}) 17. Nc3 Nf6 18. Be3 Re8 19. Re1 Bc6 20. Rad1 Nd7 21. Qd2 Ne5 22. Qc2 b5 23. a3 (23. f4 $5 {[%cal Rf4e5]} Ng4 24. Bd4 $11) 23... Qb8 24. f4 Nc4 25. Bc1 b4 26. axb4 (26. Nd5 $11 Bxd5 27. Rxd5 bxa3 28. bxa3 Nxa3 29. Qd3) 26... Qxb4 $17 27. Kh1 Rab8 28. Re2 Na5 29. Nd5 Bxd5 30. Rxd5 Nb3 $36 {[%mdl 2048] White must now prevent ...Nd4. Black has good play.} 31. Be3 Nd4 32. Bxd4 $1 Bxd4 33. e5 (33. Rd2 $11 {remains equal.} Bc5 34. Re2) 33... dxe5 34. fxe5 Re7 35. h4 Rbe8 {[%cal Rd4e5,Bb8e8,Be8e7,Be7e1][%mdl 32]} 36. Qc6 (36. Qd2 $17 Qxd2 37. Rxd2 Bxe5 38. R5d3) 36... Bxe5 $19 {...Qb3 is the strong threat.} 37. Re4 $2 (37. Rd3) 37... Qxb2 {Hoping for ...Qb1+.} 38. Re3 Bd6 39. Rxe7 Rxe7 40. Rd3 $2 {[#]} (40. Rd1 $19) 40... Qf6 $2 (40... Qb1+ {mates} 41. Kh2 Qxd3 42. Qa8+ Kg7 43. Qf3 Re3 44. Bf1 Rxf3 45. Bxd3 Rxd3 46. Kg2 Bxg3 47. h5 gxh5 48. Kh3 Kg6 49. Kg2 h4 50. Kf1 Rd2 51. Kg1 h3 52. Kf1 Rb2 53. Kg1 Rb1#) 41. Qf3 $2 (41. Rd1) 41... Re1+ 42. Kh2 Qxh4+ 43. Bh3 {Rxd6! would now be nice for White.} Qe7 44. Bg2 Kg7 45. Rb3 Qe5 $2 (45... h5 46. Rd3 h4) 46. Rb4 $2 {[#]} (46. Qc3 $19) 46... Re3 47. Qf4 Qh5+ {Accuracy: White = 39%, Black = 75%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "8"]
[White "Le, Quang Liem"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2690"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "147"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,147,18,16,18,18,21,25,27,28,31,27,29,28,23,27,36,36,36,35,36,33,36,33,26,34,29,26,36,36,39,16,9,-23,-33,-34,-36,-29,-23,-35,-25,-34,0,0,0,0,0,0,0,0,0,0,14,0,0,0,0,0,0,-18,-18,-26,-23,-18,-17,-53,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,39,0,39,39,39,0,0,0,39,0,808,769,761,747,1072,1046,1032,283,283,283,478,276,276,262,1010,800,785,691,1090,1083,1032,737,569,0,1017,1003,988,940,988,988,952,927,839,240,29974,29975,29976,29977,29977,29978]} 1. Nf3 d5 2. e3 Nf6 3. c4 c6 4. Nc3 e6 5. b3 Nbd7 6. Qc2 Bd6 7. Bb2 Qe7 8. d4 O-O 9. Bd3 e5 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} 10. cxd5 cxd5 11. dxe5 Nxe5 {White has an edge.} 12. Nxe5 Bxe5 13. Ne2 Bg4 14. Bxe5 Qxe5 15. Nd4 Rac8 16. Qb2 {[#]} Bd7 $146 ({Predecessor:} 16... Be6 17. Qd2 Ne4 18. Qa5 b6 19. Qxa7 Qd6 20. Bxe4 Qb4+ 21. Ke2 dxe4 {½-½ (34) Trs,J (2092)-Brichacek,M (2000) ICCF email 2003}) 17. h3 Ne4 18. O-O g6 19. Rac1 a6 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Qxc1 Qd6 23. a3 Nc5 24. Qc3 Nxd3 25. Qxd3 Qxa3 26. Qc3 Qd6 27. Ne2 b6 28. Qd4 Qc5 29. Qf6 Qc6 30. Qd8+ Kg7 31. Nd4 Qb7 32. Qe7 Qc8 33. Qd6 b5 34. Qxd5 Qc1+ 35. Kh2 Qc7+ 36. f4 Bc8 37. Ne2 Bb7 38. Qd4+ Kg8 39. Nc3 a5 40. Kg3 ({Don't blunder} 40. Nxb5 $2 Qc6 $1 $19 {[%mdl 512]}) 40... b4 (40... h6 $15) 41. Nd5 $1 $11 {[%cal Rd5c7]} Bxd5 $1 42. Qxd5 {[%mdl 4096] Endgame KQ-KQ} Qc3 43. Kf3 a4 44. Qa8+ Kg7 {White must now prevent ...a3.} 45. Qxa4 h5 46. Qa2 h4 47. Qb1 f5 48. Qd1 {Qd4+ is the strong threat.} Qc6+ 49. Kf2 Kh6 50. Qd4 {[%cal Rd4h8]} Kh7 (50... Qc2+ {is more complex.} 51. Kg1 Qc3 52. Kh2 Qxd4 53. exd4 Kg7) 51. Qxb4 {Hoping for Qd2.} Qc2+ 52. Kg1 Qc1+ $1 53. Kf2 {aiming for Qe1.} Qc2+ 54. Kf1 {And now Qe1 would win.} Qd1+ $2 {[%mdl 8192] Black is on the road to losing.} (54... Qd3+ $11 55. Kf2 Qc2+) 55. Qe1 $1 $18 {[%cal Re1d1]} Qd3+ 56. Kg1 Qxb3 57. Qxh4+ Kg8 58. Qd8+ $2 (58. Qe7 Qc3 59. Qe6+ Kh7 60. Kh2) 58... Kf7 59. Qd7+ Kf6 $2 (59... Kf8 60. Qd4 Qe6) 60. Qd4+ (60. Kf2 $142) 60... Kf7 61. Kh2 Qa3 $2 (61... Qe6 62. Kg3 Qc6) 62. e4 fxe4 63. Qxe4 Qc3 64. Qd5+ Kf8 65. Qd6+ Kf7 66. Qd5+ (66. Qd7+ $142 Kf8 67. Qd5) 66... Kf8 $1 67. Qe5 Qd3 68. Qf6+ Kg8 69. h4 Kh7 70. Qg5 Qe2 {[#]} 71. Qe5 $2 (71. h5 $1 gxh5 (71... Qxh5+ 72. Qxh5+) 72. f5 Qe5+ 73. Kh3) 71... Qg4 $2 {[#]} (71... Qd1 $18 72. f5 gxf5 73. Qxf5+ Kh8 74. Qf8+ Kh7) 72. Qe7+ $1 {White mates.} Kg8 {[#]} 73. Qg5 $1 Qe6 74. h5 {Accuracy: White = 77%, Black = 70%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "8"]
[White "Korobov, Anton"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2667"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,119,25,8,21,12,24,20,20,11,14,0,0,0,-12,-12,-13,0,-2,-45,-38,-61,-42,-58,-77,-54,-73,-70,-29,-29,-16,-19,-30,-25,-38,-20,-28,-75,-79,-124,-67,-88,12,-144,23,19,28,19,25,26,26,0,124,27,304,234,197,180,593,593,593,593,730,593,924,908,774,675,610,584,615,8,29987,2383,29986,29978,29978,29979,29971,2890,29956,29962,29961,29960,29976,29971,29971,29972,29972,29973,29973,29974,29974,29975,29975,29976,29976,29977,29976,29977,29979,29980,29981,29982,29982,29982]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 e6 7. Nbc3 Nb6 8. Bb3 Nc6 9. O-O Qd7 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 10. Be3 O-O-O 11. Qc1 Kb8 {The position is equal.} 12. Rd1 Qe8 {[#]} 13. a4 $5 $146 {[%mdl 8] Threatens to win with a5. New and interesting.} ({Predecessor:} 13. Nf4 f6 14. exf6 gxf6 15. d5 exd5 16. Ncxd5 Nxd5 17. Bxd5 Bd6 18. Qc3 Be4 19. Qc4 {½-½ (21) Fridman,D (2627)-Dziuba,M (2582) Germany 2020}) 13... Bb4 14. Bc2 Bxc2 15. Qxc2 f6 16. exf6 gxf6 17. Ne4 Nd5 18. Rac1 Rg8 19. Nf4 Nxf4 20. Bxf4 {[#]} Qg6 $1 {[%csl Gg8][%cal Rg6g2][%mdl 512]} 21. g3 Qf5 $40 {[%mdl 128] White must now prevent ...Qxf4. Black has some attack.} 22. Be3 $1 h5 23. Nc5 {Strongly threatening Na6+!} Qxc2 24. Rxc2 Bxc5 $1 25. Rxc5 e5 26. d5 Ne7 27. a5 Rd7 (27... b6 $17 28. Rb5 Kb7 29. axb6 axb6) 28. f4 e4 (28... h4 $17 29. fxe5 fxe5) 29. Bd4 $2 (29. d6 $1 $11) 29... Rxd5 $2 ({Stronger than} 29... Nxd5 30. Rxd5 $1 {[%mdl 512]} Rxd5 31. Bxa7+ $1 {[%mdl 512]} Kxa7 32. Rxd5 $14) (29... b6 $1 $17 {[%cal Rb6c5]} 30. axb6 axb6) 30. Rxd5 $11 Nxd5 {[#]} 31. Bxa7+ $1 {[%mdl 512]} Kxa7 32. Rxd5 $17 {[%mdl 4096] Endgame KR-KR} h4 $1 33. Kf2 Ka6 (33... hxg3+ $11 {remains equal.} 34. hxg3 e3+ {[%mdl 64] Decoy} 35. Kxe3 Rxg3+ 36. Ke4 Rb3) 34. Rf5 {White now steadily converts the win.} ({White has to play} 34. gxh4 $16 {Rf5 is the strong threat.} Rg4 35. Rf5) 34... Rd8 $2 {[%mdl 8192]} (34... hxg3+ $11 35. hxg3 Rg6) 35. gxh4 Rd2+ 36. Kg3 e3 $2 (36... Rxb2 {is a better chance.} 37. h5 (37. Rxf6+ Kxa5 38. h5 Rb3+ 39. Kh4 c5 $16) 37... Rb3+ 38. Kg4 Rb2) 37. Rxf6+ $18 Kxa5 38. Re6 Rxb2 39. h5 Rb5 40. Re5 c5 41. h6 Rb6 42. Rxc5+ Kb4 {[#]} 43. Rh5 $2 ({White must play} 43. h7 $1 $18 Rh6 44. Rc7) 43... Kc3 $2 {[%mdl 8192]} (43... Re6 $11 44. Re5 Rg6+ 45. Kf3 Rxh6) 44. Kf3 (44. h7 $142 Kb3 45. h8=Q Rg6+ 46. Rg5 Rxg5+ 47. fxg5 Kc2 48. g6 e2 49. Kf2) 44... Re6 45. Ke2 Re8 46. h7 Rh8 47. Kxe3 (47. f5 $142 Kd4 48. f6 Ke4 49. f7 Kd4 50. Rg5 Kc3 51. Kxe3 b6 52. Rg8 Rxh7 53. f8=Q) 47... b5 48. Rxb5 {White mates.} Rxh7 49. f5 Rxh2 50. Ke4 Kc4 51. Ra5 Re2+ 52. Kf4 Rf2+ 53. Kg5 Rg2+ 54. Kf6 Re2 55. Kf7 Kb4 56. Ra6 Kc5 57. f6 Kd5 58. Kf8 Rf2 59. f7 Rf1 60. Rg6 {Accuracy: White = 65%, Black = 54%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "9"]
[White "Grischuk, Alexander"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "2765"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,50,38,28,19,0,0,0,19,28,22,22,20,29,25,24,32,22,17,21,33,16,24,15,18,17,15,18,17,17,17,17,27,24,19,8,14,0,20,11,39,29,60,20,28,0,0,0,0,-9,0,0,0,0,34,35,32,33,38,0,87,77,80,0,0,0,0,0,14,0,8,8,8,0,0,0,0,0,0,0,0,0,0,-729,-681,-795,-760,-29986,-29987,-29988,-29989,-29989,-29990]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 {E04: Open Catalan: 5 Nf3.} Ndxb4 9. Na3 O-O 10. O-O {The position is equal.} Rb8 11. Qb5 b6 12. Qxc4 Ba6 13. Nb5 Qe8 14. Rfc1 Nd5 15. Qxc6 Qxc6 16. Rxc6 Bxb5 17. Rc2 Rfc8 {[#]} 18. e3 $146 ({Predecessor:} 18. Rac1 c5 19. dxc5 Nb4 20. Rd2 Nxa2 21. Ra1 Nb4 22. Rxa7 Nc6 23. Ra1 bxc5 24. e3 {½-½ (33) So,W (2780)-Caruana,F (2822) Saint Louis 2018}) 18... c5 19. dxc5 Nb4 20. Rc3 Rxc5 21. Rxc5 bxc5 22. Bf1 Kf8 23. Bxb5 Rxb5 $11 {[%mdl 4096] Endgame KRN-KRN} 24. Ne5 Ke7 25. Nc4 Nc6 26. Rc1 Rb7 27. Kf1 e5 28. Ke2 e4 29. a3 Ke6 30. Rc2 f5 31. f3 exf3+ 32. Kxf3 Rd7 33. Ke2 g5 34. Nd2 Rd5 35. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kd6 36. Nc4+ Kd7 (36... Kc7 $11) 37. b5 $16 Ne5 {[#]} 38. a4 (38. b6 $1 $16 {[%cal Rb6a7]} a6 39. b7) 38... Nxc4 $11 39. Rxc4 {KR-KR} Re5 40. Kd3 Kd6 41. e4 f4 42. gxf4 gxf4 43. Rc2 Rh5 44. a5 Rh3+ 45. Kc4 {And now e5+! would win.} Ra3 {[#] ...Ra4+ is the strong threat.} 46. Rd2+ Ke5 47. a6 f3 48. Kxc5 $2 {[%mdl 8192]} (48. Rd7 $11) 48... Kxe4 $19 49. Rd7 f2 50. Rf7 Rf3 {Black mates.} 51. Re7+ Kd3 52. Rd7+ Kc2 {Accuracy: White = 80%, Black = 89%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "9"]
[White "Bu, Xiangzhi"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "D41"]
[WhiteElo "2760"]
[BlackElo "2754"]
[Annotator "RC"]
[PlyCount "72"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

1. Nf3 Nf6 2. c4 {[%emt 0:00:04]} c5 {[%emt 0:00:09]} 3. g3 {[%emt 0:00:01]} d5 {[%emt 0:00:07]} 4. cxd5 {[%emt 0:00:02]} Nxd5 {[%emt 0:00:01]} 5. Bg2 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 6. d4 {[%emt 0:00:01]} e6 {[%emt 0:00:26]} 7. O-O {[%emt 0:00:02]} Be7 {[%emt 0:00:02]} 8. Nc3 {[%emt 0:00:01]} O-O {[%emt 0:00:18]} 9. Nxd5 {[%emt 0:00:03]} exd5 {[%emt 0:00:01]} 10. dxc5 {[%emt 0:00:02]} Bxc5 {[%emt 0:00:00]} 11. Bg5 {[%emt 0:00:01]} f6 {[%emt 0:00:02]} 12. Rc1 {[%emt 0:00:03]} Bb6 {[%emt 0:00:02]} 13. Bd2 {[%emt 0:00:02]} Bf5 {[%emt 0:00:09]} 14. b4 {[%emt 0:00:04]} Be4 {[%emt 0:00:10]} 15. b5 {[%emt 0:00:09]} Ne5 {[%emt 0:00:04]} 16. Bb4 {[%emt 0:00:21]} Re8 {[%emt 0:00:03]} 17. Nxe5 {[%emt 0:00:01]} Bxg2 {[%emt 0:00:11]} 18. Kxg2 {[%emt 0:00:04]} Rxe5 {[%emt 0:00:02]} 19. Qd3 {[%emt 0:00:08]} d4 {[%emt 0:00:23]} 20. a4 {[%emt 0:00:07]} a6 {[%emt 0:00:02]} 21. bxa6 {[%emt 0:00:11]} Rxa6 {[%emt 0:00:03]} 22. Rfd1 {[%emt 0:00:59]} Qd5+ {[%emt 0:00:07]} 23. Kg1 {[%emt 0:00:03]} Re8 {[%emt 0:00:02]} 24. a5 {[%emt 0:00:11]} Bxa5 {[%emt 0:00:02]} 25. Rc5 {[%emt 0:00:04]} Qa2 {[%emt 0:00:08]} 26. Qb5 {[%emt 0:00:35]} Rea8 {[%emt 0:00:02]} 27. Qxb7 {[%emt 0:00:12]} Bxb4 {[%emt 0:00:09]} 28. Qxb4 {[%emt 0:00:03]} Qxe2 {[%emt 0:00:03]} 29. Qxd4 {[%emt 0:00:02]} h6 {[%emt 0:00:09]} 30. Rc7 {[%emt 0:00:02]} R6a7 {[%emt 0:00:10]} 31. Rxa7 {[%emt 0:00:05]} Rxa7 {[%emt 0:00:01]} 32. Qxa7 {[%emt 0:00:01]} Qxd1+ {[%emt 0:00:02]} 33. Kg2 {[%emt 0:00:01]} Qd5+ {[%emt 0:00:00]} 34. Kg1 {[%emt 0:00:02]} Qd1+ {[%emt 0:00:00]} 35. Kg2 {[%emt 0:00:01]} Qd5+ {[%emt 0:00:01]} 36. Kg1 {[%emt 0:00:00]} Qd1+ {[%emt 0:00:01]} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "9"]
[White "Xiong, Jeffery"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2724"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,51,31,35,37,31,54,54,50,37,23,26,72,36,41,20,45,0,0,0,0,0,53,0,0,-22,0,0,0,0,0,0,0,0,579,579,560,563]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 a6 7. Rc1 Bf5 8. e3 e6 9. Qb3 Ra7 {D13: Slav Defence: Exchange variation without ...Bf5.} 10. Be2 Bd6 11. Bxd6 Qxd6 {White is slightly better.} 12. Na4 $5 {[%mdl 4] An interesting side line.} (12. Ne5 $5) 12... O-O 13. O-O {[#]} Rb8 $146 ({Predecessor:} 13... Nd7 14. Nc5 Nxc5 15. Rxc5 Ne7 16. Rfc1 b6 17. R5c3 Bg4 18. Qd1 Bxf3 19. Bxf3 g6 {1-0 (55) Corrales Jimenez,F (2552)-Abergel,T (2509) Harkany 2008}) 14. Nc5 (14. Qb6 $5 {[%cal Rc1c6]} Raa8 {[#]} 15. Ne5 $1 $14 {[%mdl 512]}) 14... Qd8 15. Qa3 h6 16. Nxb7 {[%mdl 64] [#] Remove Defender} Raxb7 17. Rxc6 Rxb2 18. Bxa6 Ne4 ({Better is} 18... R2b6 $11 19. Rxb6 Qxb6) 19. Rfc1 (19. Bd3 $14) 19... Kh7 $11 ({But not} 19... Nxf2 $2 20. Rc8 $18) 20. Rc8 Qb6 21. Rxb8 Qxb8 22. Rf1 Rc2 23. Bd3 Rc3 24. Qa6 Nc5 $2 {[%mdl 8192]} (24... Qb2 $11 {and Black is okay.}) 25. Bxf5+ $18 ({And not} 25. dxc5 Bxd3 26. Qa5 Qb2 $17) 25... exf5 26. dxc5 {Accuracy: White = 79%, Black = 69%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "9"]
[White "Dubov, Daniil"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2720"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,107,21,44,25,45,44,69,50,66,58,51,51,49,49,39,43,60,25,31,27,75,103,85,82,104,78,79,53,68,64,65,67,59,55,84,33,71,56,92,54,51,57,50,53,53,53,66,71,91,91,208,124,147,87,225,110,110,110,118,118,293,286,496,495,489,489,475,475,436,434,472,449,431,412,687,660,1374,1338,1455,1439,5983,5953,10568,8091,12843,12837,29981,29982,29982,29983,29983,29984,29984,29985,29985,29985,29987,29985]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Bd3 Bg4 {has lost popularity (6...c5).} 7. Be2 {E90: King's Indian: Classical: Early deviations and 6 h3.} Nfd7 8. Be3 {[#]} e5 $146 ({Predecessor:} 8... Bxf3 9. Bxf3 Nc6 10. O-O e5 11. d5 Nd4 12. Bg4 c5 13. dxc6 bxc6 14. Rb1 a5 {1-0 (86) Korabliov,A (2414)-Teeriaho,T (2396) ICCF email 2013}) 9. d5 $1 {White is slightly better.} a5 10. Nd2 {And now f3 would win.} Bxe2 11. Qxe2 (11. Nxe2 f5 $11) 11... f5 12. f3 Na6 13. O-O-O Nac5 14. Kb1 a4 15. a3 Rf7 16. exf5 gxf5 17. g4 Qf6 18. gxf5 Qxf5+ 19. Ka2 Qc2 20. Rc1 Qd3 $1 21. Qxd3 Nxd3 22. Rcg1 N7c5 23. Rg3 ({White should try} 23. Rg4 $16) 23... Kh8 24. Rhg1 Bf6 25. Nde4 Nxe4 26. Nxe4 {[#] Black must now prevent Bh6.} Nf4 27. Bxf4 exf4 28. Rg4 Raf8 29. Kb1 b6 30. Kc2 $40 {[%mdl 128] White has strong attack.} ({Of course not} 30. Rxf4 Be5 $11) 30... Be7 {[#]} (30... Be5 $16 {was necessary.}) 31. Kd3 (31. Kc3 $1 $18) 31... Bf6 32. R1g2 ({Much worse is} 32. Rxf4 $6 Bxb2 33. Rxf7 Rxf7 $11) (32. Nxf6 $142 {Rg8+ would kill now.} Rxf6 33. Re1) 32... h6 (32... Be5 $16 {was called for.}) 33. Rg6 (33. Rxf4 Be5 $11) (33. Nxf6 $18 {Intending Rg8+ and mate.} Rxf6 34. Kc3) 33... Bg7 $16 34. Re6 Kh7 35. Nc3 Bxc3 $2 (35... Ra8 $16 36. Kc2 Bf6) 36. Kxc3 $18 ({Weaker is} 36. bxc3 Rf5 $16) 36... Rg7 $2 (36... Ra8 {is a better defense.} 37. Rgg6 h5 38. Rh6+ Kg8 39. Rxh5 Rg7) 37. Rxg7+ Kxg7 {[%mdl 4096] Endgame KR-KR} 38. Re7+ Kf6 39. Rxc7 Re8 40. Rd7 Re3+ 41. Kd4 Rxf3 42. Rxd6+ Kf5 (42... Kg7 $142 43. Rxb6 Rf2) 43. Rxb6 Rf1 44. Rb8 Rd1+ 45. Kc5 f3 46. Rf8+ Ke4 47. d6 Rd2 48. Kc6 Rxh2 49. d7 {White mates.} Rd2 50. d8=Q Rxd8 51. Rxd8 h5 52. c5 h4 53. Kb5 f2 54. Rd1 {Accuracy: White = 78%, Black = 40%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "9"]
[White "Anton Guijarro, David"]
[Black "Mamedyarov, Shakhriyar"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2590"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,100,14,14,12,3,7,20,12,-2,35,37,81,85,88,101,100,94,88,94,89,41,72,8,15,24,102,0,34,18,31,5,9,7,8,8,8,6,14,10,15,8,8,8,12,7,16,12,14,0,0,0,12,0,0,-3,0,-12,0,-6,0,0,0,0,0,0,0,0,0,0,6,0,7,-177,-175,-200,-193,-291,-284,-270,-270,-269,-266,-244,-229,-286,-195,-29982,-29983]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 e6 4. c4 Be7 5. g3 O-O 6. Bg2 Nc6 7. O-O d4 8. e3 {[%cal Re3d4]} e5 {A14: English Opening: 1...e6 with b3 by White.} 9. exd4 exd4 10. d3 Bf5 {The position is equal.} 11. Re1 {[#]} Re8 $146 ({Predecessor:} 11... Bb4 12. Re2 Bc5 13. Na3 Nb4 14. Nb5 Nxd3 15. Bxd4 Ne4 16. Qxd3 Nxg3 17. Qe3 Bxd4 18. Nfxd4 Nxe2+ 19. Qxe2 {1-0 (30) Szmetan,J (2390)-Granda Zuniga,J (2525) Rio Hondo 1987}) 12. Na3 Qd7 {[#]} 13. Nc2 $1 Bc5 14. Qd2 a5 15. a3 Qd6 16. Nh4 Bd7 17. Rab1 h6 18. Bc1 (18. Bxc6 $16 Qxc6 19. Rxe8+ (19. Bxd4 Bxd4 20. Nxd4 Qd6 $11) (19. Nxd4 Qb6 $16) 19... Nxe8 20. Ng2 (20. Bxd4 Bxd4 21. Nxd4 Qf6 $14) (20. Nxd4 Qb6 $14)) 18... Rxe1+ $11 19. Qxe1 Qe5 {[#]} (19... Re8 $11 20. Qd2 Bg4) 20. Qf1 (20. Qd2 $1 $16) 20... Qe7 21. Nf3 Bf5 {[#]} 22. b4 $1 {[%mdl 512]} axb4 23. axb4 Ra2 24. Rb2 Rxb2 25. Bxb2 Nxb4 26. Nxb4 Bxb4 27. Nxd4 Bg6 28. Qd1 c6 29. Nf3 Nd7 30. d4 Ba3 31. Bxa3 Qxa3 32. d5 Qd6 (32... cxd5 {is more complex.} 33. Qxd5 Nf6 34. Qd8+ Kh7 35. Qd1 Qc3) 33. Nd4 cxd5 34. cxd5 Nf6 35. Ne2 Bh5 36. Qd2 Bxe2 37. Qxe2 Kf8 38. Qb5 b6 39. Bf3 Ke7 40. Kg2 g5 41. Qe2+ Kf8 42. h3 h5 43. g4 $2 {This costs White the game.} (43. Kg1 $11) 43... hxg4 $19 44. hxg4 Nxd5 {Hoping for ...Nf4+.} 45. Bxd5 (45. Kf1 $142 Nf4 46. Qa6) 45... Qxd5+ {KQ-KQ} 46. f3 b5 47. Qb2 Ke7 48. Qb4+ Ke6 49. Qf8 Qd2+ 50. Kg3 $2 (50. Kh3 $19) 50... Qd6+ {Accuracy: White = 67%, Black = 88%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "10"]
[White "Svidler, Peter"]
[Black "Carlsen, Magnus"]
[Result "1-0"]
[ECO "C91"]
[WhiteElo "2754"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,95,33,16,33,9,39,27,47,14,14,15,14,18,20,22,35,36,45,8,8,21,75,88,146,138,135,131,158,156,158,172,156,129,141,70,70,71,70,70,75,41,39,39,39,39,39,43,76,53,62,56,77,25,44,24,31,41,39,43,102,14,110,118,110,158,432,144,517,71,49,24,428,416,29995,29996,29998,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. O-O Be7 6. c3 O-O 7. Re1 a6 8. Ba4 Re8 9. Nbd2 b5 10. Bc2 Bf8 11. d4 Bb7 {C91: Closed Ruy Lopez: 7...d6 8 c3 0-0 9 d4.} 12. a4 Nb8 13. Bd3 c6 {[#] White has an edge.} 14. b3 $146 ({Predecessor:} 14. b4 Nbd7 15. Nb3 Qc7 16. dxe5 dxe5 17. Bg5 Re6 18. Na5 Bc8 19. Bd2 Nb6 20. axb5 cxb5 {1-0 (33) Slobodjan,R (2458)-Kreuzer,M (2335) Kelheim 2017}) 14... Nbd7 15. Qc2 Qc7 16. Bb2 Nh5 17. Bf1 $36 {[%mdl 2048] Black is under pressure.} Nf4 18. g3 Ne6 19. b4 Nb6 20. axb5 {[%mdl 64] Overworked Piece} cxb5 (20... axb5 $11 {keeps the balance.} 21. dxe5 dxe5) 21. d5 $16 Nd4 (21... Nd8 $142) 22. Nxd4 exd4 23. c4 $1 Rac8 24. Bxd4 Nxc4 25. Nxc4 bxc4 26. Rac1 f5 27. Bh3 ({But not} 27. Qxc4 $6 Qf7 $11) (27. f3 $16) 27... fxe4 $1 $14 28. Bxc8 Rxc8 29. Qxe4 {Bb2 is the strong threat.} Qf7 30. Qg4 Qxd5 {[%csl Gb7][%cal Rd5h1]} 31. Qe6+ Qxe6 32. Rxe6 Kf7 33. Re3 Bd5 34. Bc3 Bc6 35. Ra1 Ra8 36. Rae1 (36. h4 $16) 36... d5 37. Rf3+ Kg8 38. Re6 Rc8 39. Rf4 Bb5 ({Better is} 39... g6 $14) 40. h4 (40. Rb6 $16) 40... Rd8 (40... g6 $1 $11 {remains equal.}) 41. Rb6 $16 Bd6 42. Rg4 Rd7 $2 {[#]} (42... Bf8 $16 43. Rb7 Bd7) 43. h5 $2 (43. Bxg7 $1 $18 {[%mdl 512]} Kf7 (43... Rxg7 44. Rxg7+) 44. Bc3) 43... h6 $2 {[%mdl 8192] [#]} (43... Bc7 $16 {is a better chance.} 44. Re6 Bd8) 44. Rg6 $2 (44. Bxg7 $1 $18 {[%mdl 512] and the rest is easy.} Kf7 (44... Rxg7 45. Rxg7+) 45. Bd4) 44... Bf8 {Threatens to win with ...d4.} 45. Bd4 Bxb4 $2 {[%mdl 8192]} (45... Rc7 $1 $11 {and Black is okay.}) 46. Rb8+ $18 Kh7 (46... Bf8 $18 47. Bc5 Kh7 48. Rxf8 c3) 47. f4 c3 {[#]} 48. Rxh6+ $1 {[%mdl 512] Accuracy: White = 61%, Black = 55%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "10"]
[White "Xiong, Jeffery"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2724"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,87,33,34,38,35,24,20,24,22,27,26,14,22,18,16,18,23,0,1,0,11,0,35,37,27,29,30,16,16,0,5,0,0,0,0,0,0,-5,-6,-8,-5,-9,-4,-7,-7,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. dxc5 Bxc5 $1 {[%mdl 4] outshines the older 7...Qxd1. Played by Shakhriyar Mamedyarov in May 2020.} 8. Qxd8+ Kxd8 9. Be2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 10. Rd1 Rd8 11. Rxd8 Kxd8 12. Ne5 Ke8 13. b3 Nbd7 14. Nd3 Bf8 {[#]} 15. Nd2 $146 ({Predecessor:} 15. Bb2 b6 16. Nd2 Bb7 17. Nc4 Rc8 18. a4 {½-½ (19) Bolz,B (2183)-Wojcik Wojtkowiak,B (2154) ICCF email 2012}) 15... b6 16. Bf3 Ra7 17. Bb2 Rc7 18. Kf1 Bb7 19. Bxb7 Rxb7 20. Rc1 {[#] Black must now prevent Rc8+.} Kd8 21. Nc4 Rc7 {The position is equal.} 22. Nde5 Nxe5 23. Bxe5 Rc6 $1 24. Rd1+ Nd7 25. Bb2 {White wants to play Ne5.} f6 26. Ke2 b5 27. Na3 Kc7 28. Rc1 Rxc1 29. Bxc1 $11 {[%mdl 4096] Endgame KBN-KBN} Kc6 30. Nc2 Bc5 31. Bd2 Kd6 32. e4 e5 33. Nb4 Bxb4 34. Bxb4+ {KB-KN} Ke6 35. g4 g6 36. f3 Nb8 37. Kd3 Nc6 38. Bc5 Kd7 39. Kc3 Ke6 40. a4 Kd7 41. Be3 Ke6 42. Bc5 Kd7 43. Kd3 Ke6 44. Kc3 {Accuracy: White = 100%, Black = 97%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "10"]
[White "Mamedyarov, Shakhriyar"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "2716"]
[BlackElo "2760"]
[Annotator "RC"]
[PlyCount "105"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

1. d4 d5 2. c4 {[%emt 0:00:04]} c6 {[%emt 0:00:03]} 3. Nf3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 4. Qb3 {[%emt 0:00:00]} dxc4 {[%emt 0:00:02]} 5. Qxc4 {[%emt 0:00:01]} Bf5 {[%emt 0:00:01]} 6. g3 {[%emt 0:00:02]} e6 {[%emt 0:00:02]} 7. Bg2 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:01]} 8. O-O {[%emt 0:00:01]} Be7 {[%emt 0:00:00]} 9. Nc3 {[%emt 0:00:03]} O-O {[%emt 0:00:02]} 10. Re1 {[%emt 0:00:01]} b5 {[%emt 0:00:02]} 11. Qb3 {[%emt 0:00:16]} b4 {[%emt 0:00:02]} 12. Na4 {[%emt 0:00:03]} Be4 {[%emt 0:00:03]} 13. Bg5 {[%emt 0:00:15]} Qa5 {[%emt 0:00:24]} 14. Bxf6 {[%emt 0:00:09]} Nxf6 {[%emt 0:00:07]} 15. Rac1 {[%emt 0:00:13]} Bd5 {[%emt 0:00:36]} 16. Qc2 {[%emt 0:00:04]} b3 {[%emt 0:00:07]} 17. axb3 {[%emt 0:00:01]} Rab8 {[%emt 0:00:01]} 18. Nc3 {[%emt 0:01:08]} Bxb3 {[%emt 0:00:02]} 19. Qd3 {[%emt 0:00:01]} Nd7 {[%emt 0:00:58]} 20. Nd2 {[%emt 0:00:03]} Rfc8 {[%emt 0:00:07]} 21. Ra1 {[%emt 0:00:02]} Qc7 {[%emt 0:00:12]} 22. Rec1 {[%emt 0:00:03]} a5 {[%emt 0:00:16]} 23. e3 {[%emt 0:00:16]} Qb6 {[%emt 0:00:06]} 24. h4 {[%emt 0:00:15]} h6 {[%emt 0:00:07]} 25. Nxb3 {[%emt 0:00:04]} Qxb3 {[%emt 0:00:02]} 26. Rxa5 {[%emt 0:00:01]} Qxb2 {[%emt 0:00:01]} 27. Rb1 {[%emt 0:00:03]} Qxc3 {[%emt 0:00:05]} 28. Qxc3 {[%emt 0:00:01]} Rxb1+ {[%emt 0:00:01]} 29. Kh2 {[%emt 0:00:01]} Nf6 {[%emt 0:00:04]} 30. Bf3 {[%emt 0:00:08]} Bb4 {[%emt 0:00:01]} 31. Qc2 {[%emt 0:00:03]} Bxa5 {[%emt 0:00:05]} 32. Qxb1 {[%emt 0:00:01]} Rd8 {[%emt 0:00:11]} 33. Bxc6 {[%emt 0:00:02]} Bc7 {[%emt 0:00:04]} 34. Kg2 {[%emt 0:00:01]} Bd6 {[%emt 0:00:02]} 35. Qa2 {[%emt 0:00:03]} Rb8 {[%emt 0:00:02]} 36. Bf3 {[%emt 0:00:01]} h5 {[%emt 0:00:02]} 37. e4 {[%emt 0:00:02]} e5 {[%emt 0:00:04]} 38. Qa6 {[%emt 0:00:06]} Rd8 {[%emt 0:00:05]} 39. Qb6 {[%emt 0:00:01]} Rd7 {[%emt 0:00:01]} 40. d5 {[%emt 0:00:13]} g6 {[%emt 0:00:02]} 41. Be2 {[%emt 0:00:03]} Be7 {[%emt 0:00:03]} 42. Bb5 {[%emt 0:00:01]} Rd8 {[%emt 0:00:02]} 43. Kf3 {[%emt 0:00:04]} Kf8 {[%emt 0:00:01]} 44. Qc7 {[%emt 0:00:03]} Rd6 {[%emt 0:00:02]} 45. Bc6 {[%emt 0:00:01]} Ng4 {[%emt 0:00:05]} 46. Ke2 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 47. f3 {[%emt 0:00:01]} Nh7 {[%emt 0:00:02]} 48. f4 {[%emt 0:00:01]} f6 {[%emt 0:00:03]} 49. Bd7 {[%emt 0:00:03]} Ra6 {[%emt 0:00:03]} 50. f5 {[%emt 0:00:03]} Ra2+ {[%emt 0:00:02]} 51. Kd1 {[%emt 0:00:01]} g5 {[%emt 0:00:02]} 52. Be6 {[%emt 0:00:04]} Ra8 {[%emt 0:00:02]} 53. d6 {[%emt 0:00:02]} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "10"]
[White "Le, Quang Liem"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2690"]
[BlackElo "2720"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

1. Nf3 d5 2. e3 {[%emt 0:00:09]} Nf6 {[%emt 0:00:07]} 3. c4 {[%emt 0:00:01]} e6 {[%emt 0:00:05]} 4. Nc3 {[%emt 0:00:01]} c6 {[%emt 0:00:12]} 5. b3 {[%emt 0:00:04]} Bd6 {[%emt 0:00:02]} 6. Bb2 {[%emt 0:00:04]} O-O {[%emt 0:00:01]} 7. d4 {[%emt 0:00:04]} Nbd7 {[%emt 0:00:06]} 8. Be2 {[%emt 0:00:10]} Re8 {[%emt 0:00:06]} 9. O-O {[%emt 0:00:02]} dxc4 {[%emt 0:00:01]} 10. bxc4 {[%emt 0:00:00]} e5 {[%emt 0:00:01]} 11. Qc2 {[%emt 0:00:16]} exd4 {[%emt 0:00:03]} 12. exd4 {[%emt 0:00:00]} Nf8 {[%emt 0:00:01]} 13. Rad1 {[%emt 0:00:09]} Ng6 {[%emt 0:00:02]} 14. Ne5 {[%emt 0:00:19]} Nf4 {[%emt 0:00:21]} 15. Bf3 {[%emt 0:00:05]} Be6 {[%emt 0:00:05]} 16. g3 {[%emt 0:00:26]} Ng6 {[%emt 0:00:08]} 17. Bg2 {[%emt 0:00:04]} Qc8 {[%emt 0:00:05]} 18. f4 {[%emt 0:00:13]} Bh3 {[%emt 0:00:08]} 19. Rfe1 {[%emt 0:00:16]} Bxg2 {[%emt 0:00:03]} 20. Kxg2 {[%emt 0:00:04]} Qc7 {[%emt 0:00:05]} 21. Nf3 {[%emt 0:00:07]} Rad8 {[%emt 0:00:07]} 22. f5 {[%emt 0:00:02]} Nf8 {[%emt 0:00:03]} 23. Qb3 {[%emt 0:00:04]} Qc8 {[%emt 0:00:25]} 24. Qc2 {[%emt 0:00:01]} Rxe1 {[%emt 0:00:05]} 25. Rxe1 {[%emt 0:00:00]} Re8 {[%emt 0:00:01]} 26. Rxe8 {[%emt 0:00:04]} Qxe8 {[%emt 0:00:01]} 27. Bc1 {[%emt 0:00:02]} b5 {[%emt 0:00:06]} 28. c5 {[%emt 0:00:09]} Bc7 {[%emt 0:00:02]} 29. h3 {[%emt 0:00:13]} N8d7 {[%emt 0:00:08]} 30. g4 {[%emt 0:00:02]} b4 {[%emt 0:00:05]} 31. Ne2 {[%emt 0:00:08]} Nd5 {[%emt 0:00:02]} 32. Kf2 {[%emt 0:00:07]} N7f6 {[%emt 0:00:02]} 33. Ng3 {[%emt 0:00:07]} Nc3 {[%emt 0:00:26]} 34. Nf1 {[%emt 0:00:15]} h5 {[%emt 0:00:22]} 35. g5 {[%emt 0:00:04]} Qe4 {[%emt 0:00:02]} 36. Qxe4 {[%emt 0:00:08]} Nfxe4+ {[%emt 0:00:01]} 37. Ke3 {[%emt 0:00:00]} f6 {[%emt 0:00:10]} 38. g6 {[%emt 0:00:05]} Kf8 {[%emt 0:00:08]} 39. a3 {[%emt 0:00:03]} a5 {[%emt 0:00:02]} 40. axb4 {[%emt 0:00:01]} axb4 {[%emt 0:00:01]} 41. Kd3 {[%emt 0:00:02]} Nf2+ {[%emt 0:00:04]} 42. Kc4 {[%emt 0:00:02]} Nd5 {[%emt 0:00:01]} 43. Ne3 {[%emt 0:00:01]} Nxe3+ {[%emt 0:00:07]} 44. Bxe3 {[%emt 0:00:01]} Nxh3 {[%emt 0:00:01]} 45. Kxb4 {[%emt 0:00:03]} Bf4 {[%emt 0:00:05]} 46. Bxf4 {[%emt 0:00:07]} Nxf4 {[%emt 0:00:00]} 47. Ka5 {[%emt 0:00:00]} Ke8 {[%emt 0:00:01]} 48. Kb6 {[%emt 0:00:01]} Kd7 {[%emt 0:00:01]} 49. Kb7 {[%emt 0:00:01]} Nd5 {[%emt 0:00:02]} 50. Nh4 {[%emt 0:00:02]} Ne3 {[%emt 0:00:04]} 51. Kb6 {[%emt 0:00:02]} Nd5+ {[%emt 0:00:01]} 52. Kb7 {[%emt 0:00:00]} Ne3 {[%emt 0:00:01]} 53. Kb6 {[%emt 0:00:02]} Nd5+ {[%emt 0:00:03]} 54. Kb7 {[%emt 0:00:00]} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "10"]
[White "Korobov, Anton"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2667"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,59,11,0,0,0,8,6,9,11,15,16,0,-44,-39,-34,35,0,44,42,39,50,54,0,6,0,60,68,75,37,56,47,44,-58,-58,-86,-77,-82,-75,-67,70,-511,442,438,427,429]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Ne2 e6 7. O-O Nb6 8. Bb3 Nc6 9. Nbc3 Qd7 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} 10. Be3 O-O-O 11. Qc1 Kb8 {The position is equal.} 12. Rd1 Qe8 {[#]} 13. Na4 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 13. Nf4 f6 14. exf6 gxf6 15. d5 exd5 16. Ncxd5 Nxd5 17. Bxd5 Bd6 18. Qc3 Be4 19. Qc4 {½-½ (21) Fridman,D (2627)-Dziuba,M (2582) Germany 2020}) 13... Nd5 14. Nc5 Bxc5 15. Qxc5 Nce7 ({Black should try} 15... Bg4 $15 16. Rd2 Bxe2 17. Rxe2 Qe7) 16. Rac1 h5 17. Nc3 c6 18. Bg5 {Threatens to win with Bxd5.} Rd7 19. Na4 (19. f3 $14) 19... f6 20. exf6 $1 gxf6 {[#]} ({Black should play} 20... b6 $11 21. Qa3 gxf6) 21. Bxf6 $1 $14 {[%mdl 512]} Rg8 {next ...Rxg2+! is good for Black.} (21... Nxf6 22. Qe5+) 22. Be5+ (22. Bxd5 $5 Nxd5 23. Be5+ Ka8 24. Nc3 $14) 22... Ka8 23. Qa3 $1 $36 {[%mdl 2048] White has good play.} h4 24. Rc5 (24. Rd2 $14) 24... Qd8 $1 $15 25. Re1 b5 $1 {[%cal Rb5b4]} 26. Bxd5 Nxd5 27. Rxd5 Rxd5 (27... exd5 $15 28. Nc5 Qg5) 28. Nc5 $2 {[%mdl 8192] [#]} (28. Qc3 $14 {is the one way to stay ahead.} Qd7 29. Nc5) 28... Rxd4 $4 {[%mdl 8192] [#]} (28... Rxe5 $1 $19 {[%mdl 512] and life is good for Black.} 29. dxe5 (29. Rxe5 $2 {loses.} Qg5 $19) 29... Qd5) 29. Qa6 $1 $18 {[%cal Ra6c6][%mdl 512]} Qb6 {Hoping for ...Rdg4!} 30. Bxd4 {Accuracy: White = 58%, Black = 73%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "11"]
[White "Carlsen, Magnus"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2887"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,9,-3,-21,13,-1,-25,-35,-2,0,-5,-9,0,0,0,0,0,0,0,0,0,0,0,0,76,0,0,0,7,0,12,17,25,0,0,0,56,60,43,30,25,41,78,0,21,17,60,60,63,12,41,26,29,36,77,52,81,0,0,0,0,-4,0,-75,-83,-75,-64,-93,-84,-81,0,-100,-97,-103,-11,-23,0,0,22,0,22,30,66,62,50,37,70,4,122,114,68,8,25,30,504,441,293,0,0,0,2931,2068,1982]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. h3 Bb4 5. Nd5 Bc5 {[#]} 6. c3 $146 {C47: Scotch Four Knights and Four Knights with 4 g3.} ({Predecessor:} 6. Nxf6+ gxf6 7. Bc4 d6 8. d3 Be6 9. Be3 Qd7 10. Qe2 O-O-O 11. Bxc5 dxc5 12. c3 Bxc4 13. dxc4 {½-½ (36) Carlsen,M (2863)-Caruana,F (2835) chess24.com INT 2020}) 6... O-O 7. b4 Bb6 8. Nxb6 {Black has an edge.} axb6 9. d3 d5 10. Qc2 h6 11. Be2 b5 12. O-O Be6 13. Be3 Qd7 14. Rfd1 Rfd8 15. a4 bxa4 {Hoping for ...d4.} 16. b5 Ne7 (16... Na5 $11) 17. Rxa4 ({Much worse is} 17. Nxe5 Qxb5 18. Rdb1 Qe8 $15) (17. c4 $16) 17... Qxb5 18. Rb4 Qa6 19. Nxe5 dxe4 20. dxe4 Rxd1+ $1 21. Qxd1 Qa1 22. Rb1 (22. Rxb7 $2 Qxd1+ 23. Bxd1 Ra1 $17) 22... Qa3 (22... Qa5 $11 23. Rb5 Qa1) 23. Qd4 $14 ({Reject} 23. Rxb7 Nxe4 24. Bf3 Nxc3 $11) 23... b6 24. f3 Qa2 25. Qd1 Qa5 26. Qd4 (26. Bb5 $1 $16) 26... Qa2 $11 27. Qd3 Nd7 28. Nxd7 Bxd7 29. Bf1 (29. Re1 $14 Be6 30. f4) 29... Be6 30. Rd1 Ng6 31. f4 {Black must now prevent f5.} Bb3 32. Rd2 Qa1 33. Kh2 (33. c4 $16) 33... Qe1 34. Bf2 Qc1 35. Bg3 Bc4 36. Qxc4 (36. Rd1 $1 $11 Bxd3 37. Rxc1 Bxe4 38. f5 Bxf5 39. Bxc7) 36... Qxd2 $17 37. Qxc7 Qd8 $1 {[%cal Rd8c7]} 38. Qb7 Rb8 39. Qa6 Ra8 ({Black should play} 39... Rc8 $17 40. f5 Ne7) 40. Qb5 (40. Qb7 $1 $11 {keeps the balance.}) 40... Rc8 41. f5 Ne7 (41... Rc5 $17 42. Qb4 Ne5) 42. Bc4 $11 Qe8 43. Qb3 Nc6 {aiming for ...Na5.} 44. Bd5 Ne5 45. Qxb6 Kh8 46. Qd4 $36 {[%mdl 2048] Black is under pressure.} f6 47. c4 Qe7 48. Bxe5 (48. Qa1 $14) 48... fxe5 $14 {[%mdl 4096] Endgame KQR-KQB} (48... Qxe5+ $11 {remains equal.} 49. Qxe5 fxe5) 49. Qe3 Qg5 50. Qxg5 ({Better is} 50. Qf2 $1 $14) 50... hxg5 {KR-KB} 51. Kg3 {And now Kg4 would win.} Kh7 $2 {[%mdl 8192]} (51... Rb8 $1 $11) 52. Kg4 $1 $18 Kh6 {[#]} 53. h4 $2 (53. f6 $1 $18 {[%mdl 512]}) 53... gxh4 $11 54. Kxh4 g5+ $2 {[%mdl 8192]} (54... Rc7 $11) 55. Kg4 $18 Rc7 {Accuracy: White = 75%, Black = 62%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "11"]
[White "Grischuk, Alexander"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2765"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "154"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,154,39,31,25,28,22,11,27,12,16,14,12,10,9,5,8,8,8,0,5,8,12,0,2,8,5,0,7,0,3,0,0,0,0,0,0,0,6,0,9,0,14,10,26,26,25,0,0,0,14,15,20,0,0,0,0,0,14,14,15,0,13,8,8,8,61,65,99,0,0,-118,-112,-109,-108,-91,-52,-135,-76,-120,-54,-54,-65,-308,-298,-398,-386,-518,-468,-683,-683,-736,-694,-775,-344,-865,-859,-839,-728,-4055,-3453,-29977,-29963,-29963,-29961,-29970,-29964,-29965,-29964,-29969,-29971,-29979,-29979,-29980,-29981,-29981,-29980,-29980,-29969,-29966,-29967,-29972,-29970,-29970,-29971,-29971,-29970,-29982,0,-29969,-29969,-29966,-29968,-29963,-29961,-29982,-29983]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Ne5 Ke7 10. Be2 Rd8 11. Nd2 Bd7 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 12. Nb3 Bd6 13. Nxd7 {[#]} Rxd7 $146 {The position is equal.} ({Predecessor:} 13... Nbxd7 14. Na5 Bb4 15. Nxb7 Rdb8 16. a3 Rxb7 17. Bf3 Nd5 18. axb4 Rxb4 19. Rd1 N7f6 {½-½ (31) Michalik,P (2577)-Kriebel,T (2514) Ostrava 2019}) 14. Rd1 Nc6 15. Bd2 Rad8 16. Be1 Bb4 17. Rxd7+ Rxd7 18. a3 Bxe1 19. Rxe1 Rc7 20. Rc1 Kd8 21. Kf1 Ne5 22. Rxc7 Kxc7 $11 {[%mdl 4096] Endgame KBN-KNN} 23. Ke1 Kd6 24. h3 Ned7 25. Na5 Kc7 26. b4 Ne4 27. Bd3 Nd6 28. Kd2 h6 29. Kc3 e5 30. f4 exf4 31. exf4 Nb8 32. Kd4 b6 33. Nb3 Nc6+ 34. Ke3 a5 35. bxa5 bxa5 36. Nc5 Ne7 37. Kd4 Nc6+ 38. Kc3 Kb6 39. Na4+ Kc7 40. Nc5 Kb6 41. Nd7+ Kc7 42. Ne5 Ne7 (42... h5 $11) 43. Kd4 $14 f6 44. Nf3 (44. Nc4 $16) 44... Kc6 $11 45. Bc2 (45. g4 $11) 45... Nb5+ $17 46. Kd3 Nxa3 47. Nd4+ Kd6 {Threatens to win with ...Nd5.} 48. Bb3 (48. Ba4 $15) 48... g6 ({Better is} 48... Kc5 49. Bf7 Kb4) 49. g4 Kc5 (49... g5 $17 50. fxg5 hxg5) 50. h4 $1 $15 Nb5 51. Ne6+ $2 {[#] White is on the road to losing.} ({White should try} 51. Nxb5 $15 Kxb5 52. Bf7) 51... Kb4 $19 52. Bd1 a4 53. Bxa4 Kxa4 54. Ke4 (54. Kc4 $142 Nd6+ 55. Kc5 Ne4+ 56. Kc4) 54... Kb4 55. Nf8 Nd6+ 56. Kd4 Kb5 (56... h5 $142 57. g5 fxg5 58. hxg5 Ndf5+ 59. Ke4 Kc5 60. Nd7+ Kd6) 57. Nd7 $2 (57. g5 Kc6 58. gxf6 Nef5+ 59. Ke5 Nf7+ 60. Ke4 Nxh4 61. Ne6) 57... Ne8 58. g5 fxg5 59. hxg5 h5 60. Nf6 Ng7 61. Ke4 Kc5 62. Kf3 Kd6 63. Ne4+ Ke6 64. Nc5+ Kd5 65. Nb7 Ngf5 66. Nd8 Nd6 67. Ke3 Nef5+ 68. Kf3 Kd4 69. Ne6+ Kd3 70. Nf8 Ne7 71. Ne6 Ndf5 72. Nc5+ Kc4 73. Ne6 Kd5 $2 (73... Nd4+ {mates} 74. Nxd4 Kxd4 75. Kf2 Ke4 76. Kg2 Nf5 77. Kf2 Kxf4 78. Kg2 Kxg5 79. Kf3 h4 80. Ke2 Kf4 81. Kf1 h3 82. Kg1 g5 83. Kf2 Ne3 84. Kg1 Kg3 85. Kh1 Nf1 86. Kg1 Nd2 87. Kh1 Ne4 88. Kg1 h2+ 89. Kf1 Kf3 90. Ke1 h1=Q#) 74. Nf8 $2 {[%mdl 8192] [#]} (74. Nd8 $11 Nd4+ 75. Ke3) 74... Kd4 {Black mates.} 75. Ne6+ Kc4 76. Nf8 Kd3 77. Ne6 Nd4+ {Accuracy: White = 64%, Black = 89%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "11"]
[White "Bu, Xiangzhi"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2760"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,124,20,19,23,17,47,48,46,46,41,43,79,67,90,58,72,58,100,68,68,70,72,64,69,64,69,66,72,64,53,66,91,82,82,82,82,82,82,82,102,102,158,132,177,109,140,102,108,0,86,-72,64,64,64,64,108,45,45,45,45,44,45,43,41,35,45,25,21,20,70,62,66,69,112,21,24,16,38,39,47,47,51,47,47,47,47,47,54,54,58,57,69,69,69,69,69,58,58,58,58,58,58,58,58,58,58]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O Nc6 8. dxe5 dxe5 9. Qxd8 Rxd8 10. Bg5 Rf8 11. Rfd1 h6 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} 12. Be3 Be6 13. Nd5 Rfc8 14. Nxf6+ Bxf6 15. Bxh6 Nd4 16. Nxd4 exd4 17. Bf4 c5 {[#]} 18. Bd3 $146 ({Predecessor:} 18. Bd6 a5 19. Bd3 Ra6 20. Bf4 a4 21. Bd2 Bg7 22. Rab1 Rca8 23. f4 f5 24. exf5 Bxf5 25. Bxf5 gxf5 {½-½ (39) Rademakers,E (2171)-Jacek,K (2055) Warsaw 2010}) 18... b5 19. Rac1 b4 20. Bd6 a5 21. e5 Bg5 22. Rc2 a4 23. Re2 Ra6 24. h3 b3 25. a3 Kg7 26. Rf1 Bf4 27. g3 Rxd6 28. exd6 Bxd6 29. Kg2 Rh8 30. h4 Kf6 (30... Bd7 $142) 31. Rfe1 $16 Rh5 {[#]} 32. Rc1 (32. f4 $1 $18) 32... Bd7 33. Be4 Re5 34. Bf3 (34. Rd1 $16) 34... Bf5 (34... Bc7 $11) 35. Rd2 $2 {[#]} (35. Rxe5 $16 Bxe5 36. Bc6) 35... Bc2 (35... Bc7 $1 $17) 36. Rdxc2 bxc2 37. Rxc2 $14 {[%mdl 4096] Endgame KRB-KRB} Re7 38. Be2 ({Better is} 38. Bc6 $16) 38... Rb7 39. Kf1 Bc7 40. Bd1 Ba5 41. Re2 d3 42. Re3 d2 43. Bxa4 Rxb2 {...Rb1+ is the strong threat.} 44. Bd1 Ra2 45. Ke2 Bc7 46. Rd3 Be5 47. Rxd2 ({White should try} 47. a4 $16) 47... Rxa3 $11 48. Kf1 Bd4 49. Kg2 {White is slightly better.} Ra1 50. Bf3 Rb1 51. Bd5 Rb2 52. Rxb2 Bxb2 $14 {KB-KB} 53. f4 Bd4 54. g4 Kg7 55. Kf3 f6 56. Be4 Bc3 57. Ke2 Bd4 58. g5 fxg5 59. hxg5 Bb2 60. Kf3 Bc1 61. Bd3 Bd2 62. Kg4 Bc1 {Accuracy: White = 78%, Black = 71%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "11"]
[White "Svidler, Peter"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2754"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,99,26,34,35,39,28,36,23,25,39,27,18,20,6,16,18,62,25,11,10,12,0,8,3,13,0,65,0,0,-9,0,-26,-13,-67,-54,-70,-70,-73,-14,-8,-10,-7,-27,-21,0,0,0,-136,-150,-238,-242,-186,-152,-183,-183,-165,-186,-420,-44,-44,-40,-44,-44,-44,-44,-44,-44,-44,-44,-44,-38,-101,-104,-96,-97,-154,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O g6 6. d4 cxd4 7. Qxd4 Bg7 8. Nc3 d6 9. Be3 Nbd7 10. Rac1 Rc8 11. b3 {A30: Symmetrical English: Double Fianchetto and Hedgehog.} a6 12. Nd5 $5 {[%mdl 4] Leaves trodden paths.} O-O 13. Nxf6+ {White is slightly better.} (13. Nxb6 $2 Ne4 $19) 13... Bxf6 14. Qd2 Rc7 {[#]} 15. Bh6 $146 ({Predecessor:} 15. Ne1 Qb8 16. Bxb7 Qxb7 17. Nd3 Bg7 18. Nb4 Nf6 19. Nd5 Nxd5 20. cxd5 Rfc8 21. Rxc7 Rxc7 22. Rc1 h5 23. Rxc7 Qxc7 24. Qc1 Qxc1+ 25. Bxc1 {½-½ (25) Illescas Cordoba,M (2595)-Khalifman,A (2702) Dos Hermanas 2003}) 15... Re8 16. Rfd1 Qa8 17. Ne1 Rec8 18. Bxb7 Qxb7 19. Ng2 b5 {[%cal Rb5c4]} 20. Ne3 Nb6 {[%cal Rb5c4]} 21. cxb5 axb5 22. Rxc7 Rxc7 (22... Qxc7 $11 23. Ng4 Bc3) 23. Ng4 (23. a4 $14) 23... Bc3 $11 24. Qd3 b4 25. h4 Rc5 26. Kh2 (26. Qe3 $11 Qd7 27. Qxc5 dxc5 28. Rxd7 Nxd7 29. f3) 26... Nd7 $15 27. Be3 Rc8 28. Bd4 h5 (28... Nc5 $1 $17 {[%cal Rc5d3]} 29. Bxc5 (29. Nh6+ Kf8 $17) 29... Rxc5) 29. Ne3 $1 $11 Nc5 $36 {[%mdl 2048] Black has the initiative.} 30. Bxc5 $1 Rxc5 31. Nd5 Be5 32. Qe4 {And now Nf6+! would win.} Rb5 33. Qc4 (33. f4 $11 {remains equal.} e6 34. fxe5 exd5 35. Qd4) 33... e6 $17 34. Ne3 (34. Nf4 $17) 34... Rc5 $1 $19 {[%cal Rc5c4]} 35. Qd3 d5 36. Ng2 Rc3 37. Qd2 {[#]} Qc7 $1 38. e3 $2 (38. Ne3 {is the only way for White.}) 38... Qc5 $2 (38... Rc2 $19 39. Qe1 Qa7) 39. Ne1 $15 Qa5 40. Kg2 Kg7 41. Nf3 Bf6 42. Ne1 Qc7 43. Qe2 Qc6 44. Nd3 Qa6 45. e4 ({White should try} 45. Rd2 $15) 45... dxe4 $17 46. Qxe4 Qxa2 {Threatens to win with ...Qc2.} 47. Nf4 (47. Nxb4 $142 Qxb3 48. Rd7) 47... Qc2 $2 {[#]} ({Inferior is} 47... Rxb3 {[#]} 48. Rd7 $1 $14 {[%mdl 512]}) (47... Rc2 $17 48. Qf3 Qa7) 48. Nxe6+ $1 $11 {[%mdl 512] [#]The position is equal.} Kg8 $1 {[%mdl 512]} (48... fxe6 49. Rd7+) 49. Qa8+ Kh7 {[#]} 50. Rd7 $1 {[%mdl 33280] Whites escaped into a draw. Accuracy: White = 68%, Black = 83%. . Loss on time!?} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "11"]
[White "Dubov, Daniil"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2720"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,112,12,16,16,16,11,22,7,22,17,18,15,19,25,23,16,10,4,6,0,12,12,13,0,0,0,25,8,4,10,10,8,22,20,20,22,28,10,27,15,15,15,15,15,26,16,27,27,27,27,27,27,27,27,27,27,27,27,27,27,37,26,37,8,37,0,2,0,2,2,2,2,2,2,2,2,2,2,2,2,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 Nd4 5. Bg2 Nxf3+ 6. Bxf3 Bc5 7. O-O {A29: English Opening: Four Knights Variation with 4 g3.} O-O 8. d3 {8.d3 was played by the boomers.} Re8 {[#]} 9. Bg2 $146 ({Predecessor:} 9. Bg5 c6 10. Rb1 Bb4 11. Bg2 h6 12. Bxf6 Qxf6 13. Qa4 Qe7 14. a3 Bxc3 15. bxc3 d6 16. Rb2 h5 17. h4 f5 18. e3 Qf7 19. Qb4 Qf8 {½-½ (19) Grabner,H (2383)-Ilczuk,J (2470) ICCF email 2003}) 9... c6 10. Bg5 h6 11. Bxf6 Qxf6 12. Ne4 Qe7 13. Nxc5 Qxc5 14. Qd2 a5 15. b3 d6 16. a3 Bf5 17. b4 axb4 18. axb4 Qb6 19. Qc3 Qd4 20. Qxd4 exd4 21. Bf3 g5 22. g4 Bd7 23. Rfb1 h5 24. h3 Kg7 25. Kg2 hxg4 26. hxg4 f5 27. gxf5 Bxf5 28. Kg3 Kf6 29. Rxa8 Rxa8 $11 {[%mdl 4096] Endgame KRB-KRB} 30. b5 Re8 31. bxc6 bxc6 32. Rb6 g4 $1 {[%cal Rg4f3]} 33. Bxg4 Bxg4 34. Kxg4 Rxe2 35. Rxc6 {KR-KR} Ke7 36. Rc7+ Kf6 37. Rc8 {Kf3 is the strong threat.} Ke7 38. f4 {Black must now prevent Rc7+.} Re3 {The position is equal.} 39. Kf5 Rxd3 40. Ke4 Rd1 41. Rc7+ Kd8 42. Rc6 Kd7 43. Kd5 Rf1 44. Rxd6+ Kc7 45. Kc5 Rxf4 {[#] ( -> ...Rf5+)} 46. Rxd4 (46. Rc6+ {seems wilder.} Kd7 47. Rg6 Rh4 48. Rg7+ Ke6 49. Rg5) 46... Rxd4 47. Kxd4 {White wants to mate with Kc5. KP-K} Kd6 48. c5+ Kc6 49. Kc4 Kc7 50. Kd5 Kd7 51. c6+ Kc7 52. Kc5 Kc8 53. Kb5 Kc7 54. Kc5 Kc8 55. Kb6 {[#] Intending c7 and mate.} Kb8 56. c7+ (56. Ka6 $5 {[%cal Ra6b6]} Kc8 57. Kb6 $11) 56... Kc8 57. Kc6 {Accuracy: White = 96%, Black = 97%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "12"]
[White "Xiong, Jeffery"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "2724"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,49,26,29,28,27,29,18,31,10,18,0,11,0,17,10,22,21,19,12,44,39,54,42,35,30,117,58,147,7,39,20,30,0,23,0,22,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. d4 cxd4 8. Nxd4 a6 $1 {[%mdl 4] is currently scoring better than 8...Be7. B52: Sicilian: Moscow Variation with 3...Bd7.} 9. c4 Rc8 10. b3 g6 11. Bb2 Bg7 12. Nc3 O-O 13. Rad1 Qb6 {[#]} 14. Rd2 $146 ({Predecessor:} 14. Kh1 Rfe8 15. f4 Qc7 16. Ndb5 axb5 17. Nxb5 Qc6 18. Nxd6 e5 19. Nxc8 Qxc8 20. Rd6 {½-½ (55) Blagojevic,T (2004)-Djukanovic,S (2317) Cetinje 2012}) 14... Rfe8 15. Nf3 Bh6 16. Rd4 Bg7 17. Rfd1 Rc6 18. R4d2 Bh6 19. Rd3 {Strongly threatening e5.} Bg7 (19... Nh5 $11 {remains equal.}) 20. h3 ({White should try} 20. Na4 $16 Qa5 21. e5 (21. Rxd6 Rxd6 22. Rxd6 b5 $16) 21... Nxe5 22. Nxe5 dxe5 23. Bc3 (23. Bxe5 Rcc8 $14) (23. Qxe5 Qxe5 24. Bxe5 Ne4 $11)) 20... Rec8 ({Better is} 20... Nc5 $14) 21. R3d2 (21. Na4 $16 Qb4 22. a3) 21... Bh6 22. Rd4 Bg7 23. R4d2 Bh6 24. Rd4 Bg7 25. R4d2 {Accuracy: White = 78%, Black = 70%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "12"]
[White "Mamedyarov, Shakhriyar"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2716"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "149"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,149,10,18,16,12,15,10,10,8,0,0,0,0,0,4,7,14,14,19,0,0,0,0,-17,0,0,0,-7,0,-10,0,-20,0,-11,-10,-10,-16,-12,-6,-12,-9,-16,-13,-12,-15,-21,-15,-14,-14,-20,-16,-12,-13,-17,-17,-16,0,-34,-20,-74,-83,-135,-35,-157,-93,-93,-93,-93,-93,-93,-93,-100,-88,-156,-91,-91,-91,-110,-90,-93,-72,-72,-70,-79,-67,-93,-33,-33,-33,-33,-33,-68,-68,-72,-72,-72,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,-40,0,-40,0,0,0,-40,-40,-40,-40,-40,0,-40,-40,-40,-40,-40,-40,-40,-40,-41,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. Bf4 dxc4 6. Qxc4 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} b5 7. Qb3 Bb7 8. e3 Nbd7 9. Nbd2 {[#]} Be7 $146 ({Predecessor:} 9... a6 10. a4 Nb6 11. Be2 bxa4 12. Rxa4 Nfd5 13. Bg3 Be7 14. Ra5 Bb4 15. Rc5 a5 {½-½ (36) Landa,K (2642)-Yudin,S (2548) Loo 2013}) 10. Be2 a6 11. a4 c5 12. axb5 Bd5 13. Qc2 axb5 14. Rxa8 Qxa8 15. Bxb5 cxd4 16. exd4 O-O 17. O-O Rc8 18. Qd3 Nf8 19. b3 Ng6 (19... Bb7 {is more complex.} 20. Bc4 Ng6 21. Be3 Bb4 22. Rd1 Rc7) 20. Bg3 Ne4 21. Nxe4 Bxe4 22. Qe3 Bd5 23. h3 h6 24. Bc4 Bxc4 25. bxc4 Rxc4 26. Ne5 Nxe5 27. Bxe5 Qd5 28. Qg3 {[%csl Ge5][%cal Rg3g7]} f6 29. Bf4 Kf7 30. Be3 Bd6 31. Qg4 f5 32. Qh5+ Kf8 {With the idea ...f4.} 33. Qh4 Kg8 $36 {[%mdl 2048] Black fights for an advantage.} 34. Rb1 (34. g3 $11) 34... Kh7 $17 35. Rd1 (35. Qh5 $142) 35... f4 (35... e5 $17 {And now ...exd4 would win.} 36. Qh5 exd4) 36. Bc1 {[#]} (36. Bxf4 $15 g5 37. Qh5 gxf4 38. Qf7+ Kh8 39. Qf6+ Kg8 40. Qg6+ Kf8 41. Qxh6+ Ke8 42. Qg6+ Kd7 43. Qf7+ Be7 44. Qxf4) 36... Rxd4 (36... Qc6 $142 $1 37. Bxf4 Qa4) 37. Rxd4 Qxd4 38. Qg4 Qe4 39. Qd1 Bc5 40. Bd2 Bd4 41. Qf3 (41. Be1 $142) 41... Qb1+ ({Black should try} 41... Qxf3 42. gxf3 e5) 42. Kh2 e5 43. g3 Qc2 44. Be1 fxg3+ 45. Kxg3 Qg6+ 46. Kh2 e4 (46... Qb1 {looks sharper.} 47. Bd2 Qc2 48. Be1 Qg6 49. Bd2 Bc5) 47. Qg4 Qxg4 (47... h5 $17 48. Qe2 Qf5) 48. hxg4 {[%mdl 4096] Endgame KB-KB} Kg6 49. Kg3 Be5+ 50. f4 Bd6 {Hoping for ...Kf7.} 51. Bd2 $1 Kf6 {...g5 is the strong threat.} 52. Kf2 Ke6 53. Ke3 Kd5 54. f5 Be7 {Threatens to win with ...Bg5+.} 55. Ke2 Bg5 {Strongly threatening ...Bxd2.} 56. Bc3 Bf6 57. Bd2 Ke5 58. Bc1 Kd4 59. Be3+ Kd5 60. Bc1 Ke5 61. Bd2 Kd4 (61... Bg5 $5 62. Bc3+ $8 Kf4 63. Bxg7 Kxg4 $11) 62. Be3+ Kc3 63. Bc1 Kc4 64. Bf4 Kd5 65. Bc1 Bd4 66. Bf4 Bc3 67. Be3 Ke5 68. Bc1 Kf6 69. Bf4 Be5 70. Ke3 {[#]The position is equal.} h5 $1 {[%mdl 512]} 71. Kxe4 (71. gxh5 Kxf5) 71... Bxf4 72. Kxf4 g5+ 73. fxg6 hxg4 74. g7 Kxg7 75. Kxg4 {Accuracy: White = 84%, Black = 84%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "12"]
[White "Le, Quang Liem"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "2690"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,121,50,0,10,0,0,-6,-7,-6,-5,-22,-26,-59,-31,-22,-12,-22,-22,-21,15,12,7,0,8,8,21,22,24,-7,68,62,59,73,120,109,121,125,144,85,193,85,85,85,216,187,309,166,234,218,211,157,152,144,159,122,159,75,74,74,187,179,166,119,172,120,118,118,205,205,208,201,3040,1908,5907,5854,4776,4926,29950,2396,29961,29964,29963,29965,29959,29965,29966,29967,29965,29967,29968,29965,29966,0,29967,29969,29974,29969,29968,29966,29969,29971,29972,29965,29974,29975,29970,29970]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. dxc3 Qxd1+ 7. Kxd1 Nd7 8. Bf4 c6 9. Kc2 f6 {A16: English Opening: 1...Nf6 with ...d5.} 10. e5 $5 {[%mdl 4] An interesting side line.} g5 11. Bg3 g4 {The position is equal.} 12. Nh4 Nxe5 13. Bxe5 fxe5 {[#]} 14. h3 $146 ({Predecessor:} 14. Bd3 Bg7 15. Nf5 O-O 16. Nxe7+ Kh8 17. Nxc8 Rxf2+ 18. Kb3 Rxc8 19. Be4 Rd8 20. Rad1 {0-1 (34) Atalik,E (2400)-Howell,D (2519) Ottawa 2007}) 14... Bg7 {Strongly threatening ...Rf8.} 15. hxg4 Bxg4 16. Bd3 Bf6 17. Nf5 Rd8 18. Ne3 Be6 19. Bxh7 Kf7 20. Bf5 Bg5 {White must now prevent ...Bxf5+.} 21. Bxe6+ Kxe6 22. Rae1 e4 (22... Rxh1 $11 23. Rxh1 Bxe3 24. fxe3 Rf8) 23. Rxh8 $14 Rxh8 {[%mdl 4096] Endgame KRB-KRN} 24. Nf1 Ke5 25. f3 Rh1 26. Rxe4+ Kf6 27. Ne3 ({Better is} 27. Ng3 $1 {[%cal Rg3h1]} Rg1 28. Rg4) 27... Rg1 (27... Bxe3 $16 28. Rxe3 b5) 28. Ng4+ (28. f4 $18 {has better winning chances.} Bh4 29. g4) 28... Kf5 $16 29. Re2 b5 (29... Bf4 $16) 30. Kb3 a5 (30... Bf4 $142 31. Kb4 (31. Rxe7 Rxg2 32. Rf7+ Kg5 $16) 31... Bd6+ 32. Ka5 Ra1) 31. a4 (31. Ne5 $142) 31... Bf4 (31... Bf6 $142 32. Nh6+ Kg6) 32. Rxe7 $18 Rxg2 33. axb5 cxb5 34. Rb7 b4 35. cxb4 axb4 36. Rb5+ ({Don't play} 36. Rxb4 $6 Rg3 $11) (36. Rf7+ $142 $1 Kg5 37. Ne3 $1 {[%mdl 512]} (37. Kxb4 Rxb2+ 38. Kc4 Rc2+ 39. Kd5 Rd2+ 40. Ke4 Re2+ 41. Kd5 Rd2+ 42. Kc6 Rc2+ 43. Kb7 Rb2+ 44. Kc6 Rc2+ 45. Kd5 Rd2+ $11)) 36... Ke6 $16 37. Rxb4 Bd6 (37... Bc1 $16) 38. Re4+ $18 Kd7 39. Kc3 Kc6 {[#]} (39... Rg3 $16 {was called for.}) 40. b3 (40. Ne5+ $1 $18 Kb5 41. Nd3) 40... Rg3 $16 41. Re3 Bc5 {[#]} (41... Rg1 $16 42. Nf6 Rg5) 42. Rd3 $1 $18 Rg1 43. Ne5+ Kb5 $2 (43... Kc7 44. Rd7+ Kc8) 44. Rd5 Kb6 45. Nd7+ Kc6 46. Rxc5+ Kxd7 {KR-KR} 47. f4 (47. b4 $142 Rf1 48. Rf5 Ke6 49. Rf4 Rc1+ 50. Kd4 Kd6 51. Rf6+ Ke7 52. Rf5) 47... Kd6 48. b4 Rc1+ 49. Kd4 Rd1+ 50. Kc4 Rf1 51. f5 Rf4+ 52. Kb5 Rh4 53. Ka5 Rf4 54. Kb5 Rh4 $1 55. f6 {White mates.} Rf4 56. Rc6+ Kd5 57. Ra6 Rf1 58. Ka5 Ra1+ 59. Kb6 Rf1 60. Kc7 Kc4 61. Kd7 {Accuracy: White = 72%, Black = 48%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "12"]
[White "Korobov, Anton"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "D45"]
[WhiteElo "2667"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,41,18,17,11,12,10,15,15,9,6,14,10,8,7,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Be2 b6 7. O-O Bb7 8. b3 Be7 9. Bb2 O-O 10. Qc2 Rc8 11. Rad1 {The position is equal.} Re8 {D45: Semi-Slav: 5 e3.} 12. e4 dxe4 13. Nxe4 {[#]} Nxe4 $146 ({Predecessor:} 13... Qc7 14. Rfe1 Nxe4 15. Qxe4 c5 16. Qg4 Nf6 17. Qh3 Be4 18. Bd3 Bxd3 19. Rxd3 Rcd8 {1-0 (49) Plachetka,J (2425)-Schmitz,T St Ingbert 1990}) 14. Qxe4 Qc7 15. Bd3 Nf6 16. Qh4 h6 17. c5 Nd5 18. Qe4 {[#] White wants to mate with Qh7+.} Nf6 19. Qh4 Nd5 20. Qe4 {Threatening mate with Qh7+.} Nf6 21. Qh4 {An uneventful encounter. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.16"]
[Round "12"]
[White "Anton Guijarro, David"]
[Black "Bu, Xiangzhi"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2590"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,14,15,1,17,22,16,18,8,0,5,0,27,0,23,-4,4,-4,47,0,0,0,0,-42,-55,-52,-43,-138,-121,-340,-349,-337,-83,-77,566,-708,-708,-715,-712,-707,-705,-678,-681,-1113,-1058,-29993,-789,-29994,-29991]} 1. Nf3 d5 2. b3 c5 3. e3 Nc6 4. Bb5 Bd7 5. Bb2 Nf6 6. O-O e6 7. c4 {A06: Réti Opening: 1 Nf3 d5.} a6 8. Bxc6 Bxc6 9. Ne5 {The position is equal.} Qc7 $5 {[%mdl 4] [#] An interesting side line.} 10. cxd5 $146 ({Predecessor:} 10. Nxc6 Qxc6 11. Bxf6 gxf6 12. cxd5 Qxd5 13. Nc3 Qf5 14. Rc1 Rg8 15. f4 O-O-O 16. Qc2 Qxc2 17. Rxc2 f5 18. d4 cxd4 19. Nb5+ Kb8 20. Nxd4 Rd5 {½-½ (20) Kazmierczuk,Z (2110)-Schott,R (2176) ICCF email 2018}) 10... Bxd5 11. d3 Be7 12. Nd2 O-O 13. Rc1 Rfd8 14. Qe2 Rac8 (14... b5 $11) 15. f4 (15. e4 $5 {[%cal Re4d5]}) 15... b5 16. e4 Bb7 17. Ng4 Nxg4 18. Qxg4 {[%csl Gb2][%cal Rg4g7]} g6 {Strongly threatening ...c4.} 19. f5 (19. Qe2 $1 $15) 19... exf5 $1 $17 (19... Rxd3 20. fxg6 hxg6 21. Nf3 $18) 20. Rxf5 $2 (20. exf5 $17 c4 21. d4 (21. fxg6 Qb6+ {[%mdl 64] Double Attack} 22. d4 Qxg6 $17)) 20... Rxd3 $19 21. Nf3 {And now Ne5 would win.} Rf8 $2 (21... c4 $19 {has better winning chances.} 22. Ne5 Qb6+ 23. Kh1 c3) 22. Ne5 $17 Re3 $2 {[%mdl 8192]} (22... Rd2 $17 {and life is bright.} 23. Bc3 Bc8 {[%mdl 64] Pin} 24. Bxd2 Bxf5 25. exf5 Qxe5) 23. Nxf7 $4 {[%mdl 8192]} (23. Rcf1 $18 Rxe4 24. Nxf7 $1 {[%mdl 512]}) 23... Rxf7 $19 24. Rxf7 Kxf7 25. Rf1+ Ke8 26. Qe6 Qd6 27. Qg8+ Kd7 28. e5 {[#]} Qd5 (28... Qd2 $142 $1 29. e6+ {[#]} Kc7 $1 {[%mdl 512]} 30. Be5+ Rxe5 31. Qd8+ Bxd8 32. Rf7+ Kc8 $1 {[%mdl 512]} 33. Rc7+ Kxc7 34. h3 Qxg2#) 29. e6+ Rxe6 {Accuracy: White = 45%, Black = 56%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "13"]
[White "Carlsen, Magnus"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2887"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,71,46,44,71,33,26,13,30,10,44,29,28,30,28,10,17,0,84,48,71,85,72,51,120,114,174,164,209,195,245,242,253,249,247,243,276,266,260,257,265,266,367,343,425,425,422,414,1549,550,1572,1547,1557,1540,1367,1160,1944,1085,29996,29989]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. h3 a6 7. Be3 c6 8. c5 Nbd7 {E90: King's Indian: Classical: Early deviations and 6 h3.} 9. a3 b5 10. Be2 {[#]} a5 $146 {The position is equal.} ({Predecessor:} 10... Bb7 11. O-O dxc5 12. dxc5 e5 13. b4 a5 14. bxa5 Qe7 15. Qb3 Rxa5 16. a4 Rfa8 17. Rfc1 Nxc5 18. Qb4 Bf8 19. axb5 Ncd7 20. Qxe7 {½-½ (20) Alvarez Ibarra,R (2420)-Sorin,A (2425) Cuba 1993}) 11. O-O Bb7 12. Qc2 dxc5 13. dxc5 Qc7 14. Rfd1 Rfd8 15. Rac1 Nh5 (15... a4 $11) 16. Bf1 Nf8 17. a4 b4 18. Nb1 {[%cal Bc3b1,Bb1d2,Bd2c4,Bc4d6][%mdl 32]} e5 {White now steadily converts the win.} ({Black should play} 18... Rxd1 $14 19. Rxd1 Nf4) 19. Nbd2 $16 Ne6 (19... Nf4 $16) 20. Nc4 $18 Nd4 {[#]} 21. Bxd4 $1 exd4 22. e5 Ba6 23. Nd6 {Bxa6 is the strong threat.} ({And not} 23. Rxd4 Rxd4 24. Nxd4 Bxc4 $11) (23. Nxd4 Bxc4 24. Bxc4 Bxe5 $11) 23... Bxf1 24. Kxf1 Nf4 25. Qe4 ({Don't do} 25. Rxd4 $6 Ne6 $16) 25... Ne6 26. Nxd4 Nxd4 27. Rxd4 ({Don't take} 27. Qxd4 $6 Qe7 $16) 27... Qe7 28. Re1 Qe6 29. Qxc6 Qb3 30. Qd5 Qxb2 (30... Qxd5 $142 31. Rxd5 Ra7) 31. Qxf7+ Kh8 32. Qd5 {[#] White threatens Nf7+ and mate.} Rf8 33. Rd2 Qc3 34. e6 b3 35. e7 {Intending Nf7+ and mate.} b2 36. exf8=Q+ {Accuracy: White = 84%, Black = 46%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "13"]
[White "Bu, Xiangzhi"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2760"]
[BlackElo "2765"]
[Annotator "RC"]
[PlyCount "97"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "180+2"]

1. d4 Nf6 2. Nf3 {[%emt 0:00:04]} g6 {[%emt 0:00:04]} 3. Bf4 {[%emt 0:00:02]} Bg7 {[%emt 0:00:01]} 4. c3 {[%emt 0:00:01]} O-O {[%emt 0:00:01]} 5. h3 {[%emt 0:00:01]} c5 {[%emt 0:00:07]} 6. e3 {[%emt 0:00:02]} d6 {[%emt 0:00:03]} 7. dxc5 {[%emt 0:00:02]} dxc5 {[%emt 0:00:01]} 8. Qxd8 {[%emt 0:00:02]} Rxd8 {[%emt 0:00:00]} 9. Bc7 {[%emt 0:00:01]} Rd7 {[%emt 0:00:07]} 10. Bh2 {[%emt 0:00:02]} b6 {[%emt 0:00:07]} 11. Bb5 {[%emt 0:00:05]} Rd8 {[%emt 0:00:01]} 12. Nbd2 {[%emt 0:00:06]} Bb7 {[%emt 0:00:02]} 13. O-O {[%emt 0:00:06]} Nc6 {[%emt 0:00:01]} 14. Rfd1 {[%emt 0:00:02]} Kf8 {[%emt 0:00:11]} 15. Be2 {[%emt 0:00:10]} Rd7 {[%emt 0:00:09]} 16. a4 {[%emt 0:00:06]} Rad8 {[%emt 0:00:03]} 17. Nc4 {[%emt 0:00:28]} Rxd1+ {[%emt 0:00:09]} 18. Rxd1 {[%emt 0:00:09]} Rxd1+ {[%emt 0:00:01]} 19. Bxd1 {[%emt 0:00:00]} Ne4 {[%emt 0:00:12]} 20. Bc2 {[%emt 0:00:04]} Nf6 {[%emt 0:00:04]} 21. Nfe5 {[%emt 0:00:16]} Nxe5 {[%emt 0:00:04]} 22. Bxe5 {[%emt 0:00:01]} Nd7 {[%emt 0:00:04]} 23. Bc7 {[%emt 0:00:03]} Ke8 {[%emt 0:00:10]} 24. f3 {[%emt 0:00:10]} Bd5 {[%emt 0:00:11]} 25. Bd3 {[%emt 0:00:03]} Bxc4 {[%emt 0:00:09]} 26. Bxc4 {[%emt 0:00:01]} Be5 {[%emt 0:00:01]} 27. Bxe5 {[%emt 0:00:02]} Nxe5 {[%emt 0:00:00]} 28. Bb5+ {[%emt 0:00:01]} Kd8 {[%emt 0:00:00]} 29. f4 {[%emt 0:00:01]} Nd7 {[%emt 0:00:01]} 30. Kf2 {[%emt 0:00:05]} Kc7 {[%emt 0:00:09]} 31. Kf3 {[%emt 0:00:08]} Kd6 {[%emt 0:00:20]} 32. g4 {[%emt 0:00:14]} h6 {[%emt 0:00:26]} 33. h4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:10]} 34. g5 {[%emt 0:00:34]} hxg5 {[%emt 0:00:00]} 35. hxg5 {[%emt 0:00:01]} Nh5 {[%emt 0:00:00]} 36. Be8 {[%emt 0:00:16]} Ke6 {[%emt 0:00:17]} 37. e4 {[%emt 0:00:01]} Ng7 {[%emt 0:00:03]} 38. Bb5 {[%emt 0:00:02]} Kd6 {[%emt 0:00:05]} 39. Kg4 {[%emt 0:00:03]} e6 {[%emt 0:00:07]} 40. b3 {[%emt 0:00:10]} Nh5 {[%emt 0:00:13]} 41. f5 {[%emt 0:00:06]} Ke5 {[%emt 0:00:03]} 42. f6 {[%emt 0:00:06]} Nf4 {[%emt 0:00:18]} 43. Be8 {[%emt 0:00:03]} Nd3 {[%emt 0:00:01]} 44. Bxf7 {[%emt 0:00:03]} Nf2+ {[%emt 0:00:00]} 45. Kh4 {[%emt 0:00:01]} Nxe4 {[%emt 0:00:06]} 46. Bxg6 {[%emt 0:00:01]} Nxf6 {[%emt 0:00:06]} 47. gxf6 {[%emt 0:00:01]} Kxf6 {[%emt 0:00:00]} 48. Bd3 {[%emt 0:00:02]} Ke5 {[%emt 0:00:02]} 49. Kg4 {[%emt 0:00:01]} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "13"]
[White "Svidler, Peter"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2754"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,83,19,9,-6,45,50,61,58,55,54,72,68,68,35,16,18,27,8,23,23,5,18,17,12,11,13,14,19,0,7,0,0,110,115,108,120,99,110,122,95,239,232,234,235,235,233,248,232,247,188,284,277,266,211,329,331,555,373,479,382,443,432,995,892,843,262,947,871,1275,831]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. b3 Bg7 5. Bb2 c5 6. O-O O-O 7. c4 dxc4 8. bxc4 Nc6 9. Ne5 {A05: Réti Opening: 1 Nf3 Nf6.} Nxe5 (9... Na5 $11) 10. Bxe5 $14 Ne8 11. Bxg7 {White is slightly better.} Kxg7 12. Nc3 {[#]} Rb8 $146 ({Predecessor:} 12... Qd4 13. Qb3 Rb8 14. e3 Qd7 15. Rad1 b6 16. d4 cxd4 17. Rxd4 Qf5 18. Qa3 Nd6 19. Qxa7 {1-0 (41) Perske,T (2440)-Kraemer,E (2241) Schwaebisch Gmuend 2020}) 13. Qa4 a6 14. Rfd1 b5 15. cxb5 axb5 16. Qf4 ({Wrong is} 16. Nxb5 $2 Bd7 $19) 16... Qc7 17. Qe3 Nf6 18. a4 Ng4 19. Qe4 Nf6 20. Qc2 b4 21. Nb5 $1 $36 {[%cal Rb5c7][%mdl 2048] Black is under pressure.} Qe5 22. d4 cxd4 23. Nxd4 Bd7 (23... Bb7 $11 {keeps the balance.}) 24. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Rfc8 25. Qb2 {[#] And now a6 would win.} Rc7 26. a6 {aiming for a7.} Ra7 27. Bb7 Bc8 {Loses the game.} (27... Rbxb7 $16 28. axb7 Rxb7) 28. Bxc8 $18 {[%mdl 64] [#] Overworked Piece} ({Worse is} 28. Qxb4 Bxb7 29. axb7 Rbxb7 $11) 28... Rxc8 29. Qxb4 Qe4 30. Qb6 Rd7 {intending ...e5.} 31. a7 Ra8 32. Nb5 {Hoping for Rxd7.} Rxd1+ (32... Rb7 {might work better.} 33. Qa6 Ng4) 33. Rxd1 Qxe2 34. Rb1 {Threatens to win with Nc7.} Qa2 (34... Ne4 $142 35. Qe3 (35. Nc7 Nxf2 36. Qd4+ f6 $16) 35... Qxe3 36. fxe3 Nd6) 35. Re1 e5 $2 (35... Qb3 36. Qb7 Rxa7 37. Qxa7 Qxb5 38. Rxe7 Qb1+ 39. Kg2 Qb3) 36. h3 Qd2 37. Rxe5 Qd1+ 38. Kg2 Qa1 (38... Nd7 $142 39. Qe3 Nxe5 40. Qxe5+ Kg8) 39. Re2 Qa4 40. Qc6 $2 (40. Qb7 Rxa7 41. Nxa7) 40... Rf8 $2 (40... Rxa7 41. Nxa7 Qxa7) 41. Re3 Qb4 42. Ra3 {Accuracy: White = 63%, Black = 45%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "13"]
[White "Dubov, Daniil"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2720"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,107,21,22,-16,37,40,30,30,42,8,18,0,24,6,48,32,35,14,14,8,13,0,0,0,2,12,75,70,97,104,105,112,112,102,125,137,114,99,108,110,150,141,135,139,160,162,150,152,159,138,131,135,205,202,224,195,241,151,159,187,179,154,149,114,312,308,310,305,302,175,387,289,379,371,546,531,1032,1002,1185,1170,4137,4137,29985,29986,29986,29987,29987,29988,29988,29989,29989,29990,29990,29991,29990,29991,29991,29992,29994,29995]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Nc3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} e6 (6... Nb4 $11 7. Bb3 Nd3+ 8. Kf1 Qxd4) 7. Bxd5 $14 exd5 8. Nge2 {White has an edge.} Qd7 9. Be3 Nc6 {[#]} 10. a3 $146 ({Predecessor:} 10. O-O Nd8 11. Ng3 c6 12. Nxf5 Qxf5 13. Qa4 b5 14. Qd1 h5 15. a4 b4 16. Ne2 {½-½ (45) Bronstein,D (2435)-Barua,D (2480) London 1989}) 10... Be7 11. O-O O-O 12. Nf4 $36 {[%mdl 2048] White has good play.} Be6 13. b4 f6 14. Nxe6 Qxe6 15. f4 {[#] Hoping for f5.} fxe5 16. fxe5 ({Reject} 16. dxe5 d4 $17) 16... Rxf1+ 17. Qxf1 Rf8 (17... Nd8 $11 {keeps the balance.}) 18. Qb5 $16 {[%mdl 64] [#] Double Attack} Nd8 19. Qxd5 c6 20. Qxe6+ Nxe6 21. d5 cxd5 22. Nxd5 Bg5 23. Bxa7 Rd8 24. Rd1 Nc7 25. Nc3 Rxd1+ 26. Nxd1 {[%mdl 4096] Endgame KBN-KBN} Kf7 27. Kf2 Ke6 28. Be3 Be7 29. Nc3 Kxe5 30. Ke2 Ne6 (30... Nd5 $16) 31. Kd3 $18 g5 32. g3 g4 33. Nb5 h5 34. Nc3 h4 35. gxh4 Bxh4 36. a4 Be7 $2 {Black cannot hold the game after this.} (36... g3 $16 37. hxg3 Bxg3) 37. b5 Bd8 38. Kc4 Ba5 39. Bf2 (39. Nd5 $142) 39... Kf4 $2 (39... Ng5 {keeps fighting.} 40. Nd5 Ne4 41. Bd4+ Kf5) 40. Bg3+ Kf3 41. Nd5 Kg2 (41... Nf8 {was necessary.} 42. b6 Nd7) 42. Ne3+ Kh3 43. Kd5 Ng5 44. Nc4 Bd8 45. a5 Nf3 46. a6 {White mates.} bxa6 47. bxa6 Nxh2 48. Bxh2 Kxh2 {KB-KN} 49. a7 g3 50. a8=Q g2 51. Nd2 ({Not} 51. Qb8+ Kh1 $16) 51... Kg3 52. Qb8+ Kf2 53. Qf4+ Ke1 54. Qe3+ {Accuracy: White = 78%, Black = 46%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "13"]
[White "Le, Quang Liem"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2690"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,69,26,14,3,9,4,4,2,5,-2,1,-7,10,4,10,5,20,15,19,18,17,18,22,9,29,15,15,4,18,0,0,0,0,0,4,0,0,0,0,0,6,0,10,10,16,12,27,27,28,33,30,43,266,271,387,383,460,459,506,509]} 1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Bg4 6. c3 e6 7. h3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Bxf3 8. Nxf3 Bd6 9. dxc5 {The position is equal.} Bxc5 {[#]} 10. Bb5 $146 ({Predecessor:} 10. Be2 Bd6 11. Bxd6 Qxd6 12. O-O O-O 13. c4 Rfd8 14. Qa4 a6 15. Rfd1 b5 16. cxb5 axb5 17. Qxb5 {1-0 (32) Tran,M (2406)-Li,Z (2216) Bangkog 2018}) 10... O-O 11. O-O Ne7 12. Rc1 Ng6 13. Bh2 Bd6 14. Bxd6 Qxd6 15. Be2 Rfd8 16. c4 Qb6 17. Qc2 Rac8 18. Qb1 Ne7 19. Rfd1 Nf5 (19... dxc4 {looks sharper.} 20. Rxd8+ Qxd8 21. Bxc4 a6 22. Rc2 Rc7) 20. Bd3 (20. cxd5 {feels hotter.} Rxc1 21. Qxc1 Nxd5 22. Ne5 Nfe7 23. Bf3) 20... dxc4 21. Bxf5 exf5 22. Rxd8+ Rxd8 23. Rxc4 g6 24. Qc2 Ne4 25. Nd4 Nd6 26. Rc5 Qb4 27. g3 Ne4 28. Rc7 Qe1+ 29. Kg2 Nd2 30. Qc1 Qxc1 31. Rxc1 {Black must now prevent f3.} Rd7 $2 {[#] Now Black is done in.} (31... Ne4 $1 $14) 32. f3 $1 $18 b5 {[#]} (32... Rd5 {might work better.} 33. Rc2 Nb1) 33. b3 $1 g5 34. Nxf5 {White wants to mate with Rc8+.} f6 35. Nd4 {Accuracy: White = 100%, Black = 78%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "14"]
[White "Grischuk, Alexander"]
[Black "Dubov, Daniil"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "2765"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,109,44,34,48,43,41,37,42,44,47,47,57,42,32,34,45,53,54,40,61,24,31,10,11,0,0,0,14,0,23,31,42,41,50,20,100,43,68,18,79,75,87,84,255,208,207,208,954,143,29983,104,96,72,73,84,215,114,126,116,170,137,392,387,367,285,328,277,266,159,304,305,370,366,440,422,460,407,457,409,737,736,29975,29976,29969,5397,29989,29990,29990,1173,1173,1160,1159,1132,29998,29998]} 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. Qf3 Qe7 9. Ne4 $1 {Threatens to win with Bg5.} h6 {B04: Alekhine's Defence: 4 Nf3.} 10. exd6 cxd6 11. Bf4 d5 {White is slightly better.} 12. Nd6+ Kf8 13. c3 {[#]} h5 $146 ({Predecessor:} 13... Nc6 14. O-O g5 15. Nxc8 Nxc8 16. Be3 f5 17. Nd2 Nd6 18. Rae1 Bf6 19. Qd1 Na5 {½-½ (39) Roesch M,H (2410)-Pavlov,V (2415) ICCF email 2018}) 14. Nd2 Nc6 15. O-O g5 16. Nxc8 Nxc8 17. Be3 $1 Nd6 18. Rfe1 g4 19. Qe2 Bh6 20. Nf1 Qf6 21. Bc2 Ne7 22. Bd3 Nef5 23. Bxh6+ Rxh6 24. Qd2 Kg7 25. Re5 Rg8 (25... Rah8 $11) 26. Rae1 (26. Ng3 $16) 26... Kh8 27. a4 Qg7 (27... h4 $11 {remains equal.}) 28. Qf4 $16 h4 29. Ne3 {[%cal Re3f5]} g3 $2 (29... Qg5 $16 {was called for.} 30. Qxg5 Rxg5) 30. fxg3 (30. Nxf5 $6 gxh2+ 31. Qxh2 Nxf5 $16) 30... hxg3 31. h3 {[%cal Re3f5]} Rh4 $2 {[#]} (31... Nxe3 32. R1xe3 (32. R5xe3 Qf6 $16) 32... Qf6 33. Qxf6+ Rxf6) 32. Qf3 $2 ({Not} 32. Nxf5 Rxf4 33. Nxg7 Rxg7 $14) (32. Qxh4+ $1 $18 {[%mdl 512] and the rest is easy.} Qh6 (32... Nxh4 33. Rh5+) 33. Qxh6+ Nxh6 34. Rf1) 32... Nxe3 $2 {[%mdl 8192]} (32... Nh6 $16 33. Rd1 Nc8) 33. R1xe3 $2 (33. Rh5+ {mates} Qh7 34. Qf6+ {[%mdl 64] Double Attack} Rg7 35. Qd8+ Ne8 36. Rxh4 Qxh4 37. Qxh4+ Kg8 38. Qd8 $1 {[%mdl 512]}) 33... Qh6 34. Qe2 Rg5 35. Rf3 Rhh5 {[#]} (35... Rg7 $16 {was necessary.}) 36. Rxg5 (36. Rxg3 $1 $18 {[%mdl 512]} Nf5 (36... Rxg3 37. Rxh5) 37. Rxg5 Rxg5 38. Bxf5 Rxf5 39. Rxf5 exf5 40. Qe5+ Kg8 41. Kh2 (41. Qxf5 Qc1+ 42. Kh2 Qxb2 $16)) 36... Rxg5 37. Qe3 Qg7 (37... Qh4 $16 {keeps fighting.} 38. b3 Kg8) 38. Qf4 Nf5 $2 {[%mdl 8192]} (38... e5 $16 39. dxe5 Qxe5 40. Qxe5+ Rxe5) 39. Bxf5 $18 exf5 {[%mdl 4096] Endgame KQR-KQR} 40. Re3 {And now Qh4+ would win.} Kh7 41. Kf1 Qg6 42. Ke2 (42. Ke1 $18) 42... Qh5+ (42... Qb6 $16) 43. Kd2 Rg7 44. Re5 Rg5 45. Rxd5 Qg6 46. Re5 Qf6 47. Re3 Qg6 (47... Qd8 $142 48. Kc2 Qf6) 48. d5 f6 49. d6 Qg8 50. d7 (50. Re7+ $142 Kh6 51. d7 Kh5 52. Qf3+ {[%mdl 64] Double Attack} Kh6 53. Re8 Qb3 54. d8=Q Qxb2+ 55. Kd3) 50... Kg6 {[#]} 51. Qd6 $1 f4 {[#]} 52. d8=Q (52. Re6 $142 $1 Kh6 53. d8=Q Qxd8 54. Qxd8 Rg6 55. Rxf6 Rxf6 56. Qxf6+ {[%mdl 64] Double Attack} Kh7 57. h4) 52... fxe3+ 53. Kxe3 Re5+ 54. Kd2 Qb3 55. Q8xf6+ {Accuracy: White = 59%, Black = 37%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "14"]
[White "Xiong, Jeffery"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "2724"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,79,27,21,21,28,45,0,0,0,0,0,0,-5,6,12,0,0,12,16,18,9,8,0,21,15,17,2,63,10,12,19,51,19,40,20,299,310,302,281,258,208,189,186,185,181,173,162,160,162,244,244,248,248,330,284,386,369,1059,860,768,524,523,468,392,384]} 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. Qb3 Na5 8. Qa4+ Bd7 9. Qc2 e6 {9...e6 is better than 9...Rc8. D14: Slav Defence: Exchange variation with ...Bf5.} 10. e3 Nh5 11. Be5 (11. Bg5 $5 {[%cal Rg5d8]} f6 12. Bh4 $11) 11... f6 {The position is equal.} 12. Bg3 Rc8 13. Bd3 Bb4 14. O-O Nc4 15. Rac1 Nxg3 16. hxg3 {[#]} Bxc3 $146 ({Predecessor:} 16... Qa5 17. g4 Ke7 18. e4 Nxb2 19. Qxb2 Bxc3 20. Qe2 {1-0 (20) Potapova,M (2284)-Filipenko,A (2234) Sochi 2018}) 17. bxc3 g6 18. e4 dxe4 19. Bxe4 b5 20. Rfe1 Kf7 21. Qe2 Qb6 (21... Re8 $11) 22. Nd2 (22. g4 $14) 22... Nxd2 $11 23. Qxd2 Qd6 24. Re3 (24. a4 $5) 24... Kg7 25. Rce1 e5 $2 {[%mdl 8192] [#] Now Black is done in.} (25... b4 $11 {and Black stays safe.}) 26. Rd3 $1 $18 {dxe5 is the strong threat.} Be6 27. dxe5 Qe7 28. Bd5 Bxd5 29. Rxd5 Rhd8 30. Qd4 {[#] White wants to mate with exf6+.} Kf8 31. Re3 $36 {[%mdl 2048] Black is under strong pressure.} Rxd5 32. Qxd5 {[%mdl 4096] Endgame KQR-KQR} Rd8 (32... Rc5 $142 33. Qa8+ Qe8) 33. Qxb5 fxe5 34. Rxe5 Qf6 35. Re3 {aiming for Rf3!} Kg7 36. Qb7+ Kh6 $2 (36... Kg8 37. Re7 a6 38. Rxh7 Rf8) 37. Re4 g5 38. Qxa7 Rd1+ 39. Kh2 {Strongly threatening f4.} Qg6 40. Qe3 {Accuracy: White = 70%, Black = 61%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "14"]
[White "Mamedyarov, Shakhriyar"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "E36"]
[WhiteElo "2716"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,79,3,4,22,20,31,21,21,14,25,14,41,7,23,1,4,0,0,-16,-14,-40,-33,-45,-17,-18,18,0,26,8,67,66,104,86,87,68,83,5,4,-25,0,0,62,62,89,89,115,101,150,102,186,186,208,206,214,214,214,214,1318,108,109,0,1308,1271,1192,1129,2036,2034,29983,5305]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 O-O {outshines the older 6...Ne4.} 7. Bg5 h6 {E36: Nimzo-Indian: Classical: 4...d5 5 a3.} 8. Bxf6 Qxf6 9. Nf3 c6 {The position is equal.} 10. h4 $5 {[%mdl 4] Exploring less charted territory.} Nd7 11. g4 Qe7 12. g5 h5 $1 13. e3 {[#]} g6 $146 ({Predecessor:} 13... dxc4 14. Bxc4 b6 15. O-O-O Bb7 16. g6 fxg6 17. Ng5 Rf6 18. f4 b5 19. Ba2 c5 {½-½ (56) Mamedyarov,S (2808)-Anand,V (2759) Paris 2018}) 14. Be2 dxc4 15. Bxc4 b6 16. Bd3 Bb7 17. Be4 Rac8 (17... f5 $5 {[%cal Rf5e4]} 18. gxf6 (18. Bxc6 $2 Rac8 $19) 18... Nxf6 19. Bxg6 Nd5 $15 {[%mdl 64] Discovered Attack}) 18. Qc2 Kg7 19. Rc1 Ba8 20. O-O Rc7 (20... e5 $11) 21. Rfd1 $14 c5 22. Bxa8 Rxa8 23. Qe4 Re8 24. Ne5 ({Better is} 24. dxc5 $16 {Black must now prevent c6.} Rxc5 25. b4 Rxc1 26. Rxc1) 24... Nxe5 $11 25. dxe5 Rd8 26. Qf4 {Threatens to win with Qf6+.} Kf8 (26... Rd5 $11) 27. Rd6 $14 Ke8 28. Rcd1 $36 {[%mdl 2048] White is on the roll.} Rdd7 29. Qa4 Kd8 30. Qb5 Kc8 (30... Qe8 $16) 31. Rxd7 $18 {[%mdl 64] Overworked Piece} Rxd7 {[%mdl 4096] Endgame KQR-KQR} 32. Qc6+ Kd8 33. Qa8+ Kc7 34. Qxa7+ Kc6 $2 {[#]} (34... Kc8 35. Rxd7 Qxd7 36. Qxb6 Qd1+ 37. Kh2 Qc2) 35. Qa4+ $2 (35. Rd6+ $1 $18 {[%mdl 512] is the precise move to win.} Qxd6 (35... Rxd6 36. Qxe7) 36. Qa4+ Kc7 37. Qa7+ Kd8 38. Qa8+ (38. exd6 $2 {loses.} Rxa7 39. Kf1 Ra4 $19) 38... Ke7 39. exd6+ Rxd6 40. Qb7+ Ke8 41. Qc7 Rd1+ 42. Kg2) 35... Kc7 $16 36. Qa7+ $2 {[%mdl 8192]} (36. Rxd7+ $16 Qxd7 37. Qf4) 36... Kc6 $18 {[#]} 37. Rd6+ $1 {[%mdl 512]} Qxd6 (37... Rxd6 38. Qxe7) 38. Qa8+ Kb5 39. exd6 {b3 would kill now.} Rxd6 40. Qe8+ {Accuracy: White = 76%, Black = 39%.} (40. b3 $142 Rd1+ 41. Kg2 c4 42. bxc4+ Kc5 43. Qc8+ Kd6 44. Qd8+ {[%mdl 64] Double Attack} Kc6 45. Qxd1) 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "14"]
[White "Korobov, Anton"]
[Black "Svidler, Peter"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2667"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "201"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,201,14,33,0,25,14,91,37,38,35,44,47,49,56,45,45,54,13,0,0,9,-2,4,-7,27,13,18,0,28,33,40,31,31,21,79,56,40,43,78,67,78,64,167,133,143,105,125,126,160,139,152,132,179,160,246,240,231,247,380,326,775,212,212,212,185,141,111,114,461,455,495,494,494,492,479,473,464,464,443,434,531,520,437,0,599,294,515,515,633,560,695,684,662,621,1073,1029,853,745,29965,472,434,306,472,335,465,467,443,204,246,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,257,257,257,250,257,0,1515,1408,1341,1303,1215,1074,5034,5089,29977,29978,29978,29979,29988,29969,12793,3279,29989,29979,29979,29974,29982,29970,5089,0,29982,29983,29983,29984,29984,29985,29991,29988,29988,29977,29977,29977,29977,29978,29978,29979,29979,29980,29980,0,29970,0,2,0,29971,29972,29981,0,0,0,29981,29982,29979,29980,29989,29990]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 Nc6 6. h3 {[#] E61: King's Indian: Early deviations for White, including Smyslov System.} e5 $146 ({Predecessor:} 6... d6 7. Nf3 Bf5 8. O-O Ne4 9. Nd5 Bd7 10. Ne3 a5 11. d5 Nb4 12. Nd4 Nc5 13. b3 Ncd3 14. exd3 Bxd4 15. Rb1 Nxa2 16. Bb2 Bxb2 17. Rxb2 {0-1 (53) Ilincic,Z (2521)-Ftacnik,L (2566) Leon 2001}) 7. d5 Nd4 (7... Na5 $11 {remains equal.}) 8. e3 ({Better is} 8. g4 $1 $16) 8... Nf5 $14 9. Nge2 d6 10. e4 Nd4 11. Be3 (11. Nxd4 exd4 12. Nb5 (12. Qxd4 $2 Nxe4 13. Qxe4 Re8 $19) 12... Nxe4 $1 $11 {[%mdl 512]}) 11... Nxe2 12. Qxe2 Nd7 13. O-O f5 14. exf5 gxf5 15. f4 a6 16. Rad1 Qe7 17. Qd2 Kh8 18. b3 exf4 19. Bxf4 Ne5 20. Rfe1 $36 {[%mdl 2048] White has the initiative.} Bd7 21. c5 Qf7 (21... Qf6 $11 {keeps the balance.}) 22. c6 bxc6 23. dxc6 Nxc6 24. Nd5 Rac8 $1 25. Rc1 Ne5 (25... Rfe8 $14) 26. Nxc7 Bc6 {Hoping for ...Bxg2.} 27. Bxc6 Qxc7 28. Bg2 Qb6+ 29. Kh2 a5 30. Red1 Rxc1 31. Rxc1 Ng6 (31... Rg8 $16 32. Kh1 Re8) 32. Bxd6 $18 Rd8 33. Rc6 Qb5 (33... Qd4 $142 34. Qxd4 (34. Qxa5 Rxd6 35. Rc8+ Nf8 $17) 34... Bxd4) 34. Qc2 Be5 $2 (34... f4 35. gxf4 Nf8) 35. Rc8 $2 (35. Rc5 Bxg3+ 36. Bxg3) 35... Rxc8 36. Qxc8+ Kg7 37. Qc7+ Kf6 38. Bxe5+ Nxe5 $4 {[%mdl 8192]} (38... Qxe5 $16 {is more resistant.} 39. Qd8+ (39. Qxh7 f4 $11) 39... Kg7) 39. Qd6+ Kg7 40. a4 Qe2 41. Qe7+ Kg6 42. Qe6+ Kg7 43. Qxf5 Qe3 44. h4 (44. Be4 Qd2+ 45. Bg2 Qe3 $18) 44... Qe2 {intending ...Ng4+.} 45. Qg5+ Kf7 {( -> ...Nf3+)} 46. Qf5+ $2 (46. Kh3 $18) 46... Ke7 $2 {[%mdl 8192]} (46... Kg7 $11) 47. Kh3 (47. Qxh7+ $142 Kf6 48. Qh6+ Kf7 49. Qf4+ Ke8 50. Kh3) 47... h5 $2 (47... h6 48. Be4 Nd7 49. Qh7+ Kd8 50. Qh8+ Ke7) 48. Qe4 Qb2 49. Bf3 Kf6 50. Qf4+ Ke6 51. Bxh5 Qxb3 52. Bg4+ Kd5 53. Bf5 Qd1 54. Qe4+ (54. Be4+ $142 Kd6 55. Qf6+ Kd7 56. Qxe5 Qf1+ 57. Bg2 Qf7 58. Qb5+ Kc8 59. Qxa5 Qd7+ 60. Kh2) 54... Kd6 55. Qg2 Nf3 (55... Qxa4 {was necessary.} 56. Qd2+ Ke7) 56. Be4 Ng5+ 57. Kh2 Ne6 58. Bf5 (58. Bc2 $142 Qe1 59. Bf5) 58... Qxa4 59. Bxe6 $2 ({White must play} 59. Qe2 $1 $18 {[%cal Re2e6]} Nd4 60. Qd2) 59... Kxe6 {[%mdl 4096] Endgame KQ-KQ} 60. Qe2+ Kf6 61. Qa6+ Kg7 62. Qb7+ Kg6 63. Qb6+ Kg7 64. Qc7+ Kg6 65. Qd6+ Kg7 66. Qe5+ Kg6 67. h5+ Kh6 68. Kh3 {Threatens to win with Qh8+.} Qd1 $2 {[%mdl 8192]} (68... Kh7 $11 {and Black is okay.}) 69. Qh8+ ({Weaker is} 69. Qxa5 Qxh5+ 70. Qxh5+ Kxh5 $11) 69... Kg5 {[%cal Rd1h1]} 70. Qg7+ Kf5 {[%cal Rd1h1]} 71. g4+ $2 ({White should play} 71. Qg6+ $18 Ke5 72. Qg5+ Ke6 73. Qxa5 (73. Qg4+ Qxg4+ 74. Kxg4 a4 $19)) 71... Ke4 $2 {[%mdl 8192]} (71... Ke6 $11) 72. Qe7+ Kf3 73. Qf6+ Ke3 74. Qe5+ Kf2 75. Qf4+ Ke1 76. Qe3+ Kf1 77. h6 Qd7 78. Qf4+ Ke2 79. Qe4+ Kf2 80. h7 Qg7 81. Qf5+ Kg1 82. Qc5+ Kf1 83. Qf5+ (83. Kg3 $18 Ke2 84. Qb5+ Kd1 85. Qd3+ Kc1 86. Qe3+ Kb2 87. Qb6+ Kc2 88. Qxa5) 83... Kg1 $1 84. g5 Qc3+ 85. Kg4 Qd4+ 86. Kh5 Qd1+ 87. Kh6 Qd6+ 88. Qf6 Qh2+ 89. Kg7 Qc7+ 90. Kg6 Qc2+ {[#]} 91. Qf5 $1 Qc6+ 92. Kh5 Qh1+ 93. Kg6 Qc6+ $1 94. Qf6 $2 (94. Kg7 Qc7+ 95. Kh6 Qh2+ 96. Kg7 Qc7+ 97. Qf7 Qe5+ 98. Kg6 Qd6+ 99. Kg7 Qe5+ 100. Qf6 Qc7+ 101. Qf7 Qe5+) 94... Qc2+ $11 95. Kg7 $2 {[%mdl 8192]} (95. Kf7 $11 Qxh7+ 96. Kf8) 95... Qc7+ 96. Qf7 Qc3+ 97. Kg8 $2 (97. Kh6 {mates} Qe5 98. Qh5 Kf2 99. Qh4+ (99. g6 Qf4+ 100. Kg7 Qd4+ 101. Kf7 Qd7+ 102. Kf8 Qd8+ 103. Kg7 Qe7+ 104. Kg8 Qe6+ 105. Kg7 Qe7+ 106. Kh6 Qf8+ 107. Kg5 Qe7+ 108. Kg4 Qb4+ 109. Kf5 Qc5+ 110. Kg4 Qb4+ 111. Kf5 Qc5+ 112. Kg4 Qb4+ $11) 99... Ke2 100. g6 Qe3+ 101. Qg5 Qc3 102. Qe7+ Kd2 103. Qd8+ Kc1 104. h8=Q Qh3+ {[#]} 105. Kg7 $1 {[%mdl 512]} Qc3+ 106. Kf7 Qc4+ 107. Ke7 Qe4+ 108. Kd7 Qf5+ 109. Kc7) 97... Qc8+ 98. Kg7 $2 {[%mdl 8192]} (98. Qf8 $11 Qe6+ 99. Qf7 Qc8+ 100. Kg7 Qc3+ 101. Kh6) 98... Qc3+ 99. Kh6 {White mates.} Qh3+ 100. Qh5 Qe6+ 101. g6 {Accuracy: White = 79%, Black = 54%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "14"]
[White "Anton Guijarro, David"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2590"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,95,15,3,21,14,22,12,33,22,37,19,19,21,14,18,17,15,17,17,13,10,11,10,50,22,33,24,18,0,74,57,57,56,56,61,72,1,0,2,1,-42,0,0,0,-36,0,0,73,59,69,67,77,66,74,53,57,54,47,56,62,39,47,48,61,0,20,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. b3 Bf5 3. Bb2 e6 4. g3 Nf6 5. Bg2 h6 6. d3 Be7 7. O-O O-O 8. Nbd2 a5 9. a4 Na6 {[%cal Bb8a6,Ba6b4,Bb4c2][%mdl 32] A07: Réti Opening: New York and Capablanca Systems.} 10. Re1 Bh7 11. e4 {[#]} dxe4 $146 ({Predecessor:} 11... c6 12. e5 Nd7 13. Nd4 Nb4 14. f4 Qb6 15. Kh1 Bxd3 16. cxd3 Nxd3 17. Qc2 Nxe1 18. Rxe1 {1-0 (35) Camacho Collados,J (2419)-Greet,A (2425) Daventry 2020}) 12. dxe4 Nb4 13. Nd4 Bc5 14. Nc4 Bxd4 15. Bxd4 Nxc2 $1 16. Bxf6 Qxd1 17. Rexd1 {[#] Black must now prevent Rac1.} gxf6 18. Rac1 Nb4 19. Rd7 Rfc8 20. Bf3 {[%mdl 1024] White has compensation.} Bg6 21. e5 Nd3 {[%mdl 64] Double Attack} 22. Rc3 Nc5 {[#]} (22... Nxe5 $11 {keeps the balance.} 23. Nxe5 fxe5) 23. Re7 $1 $16 Kg7 24. Nd2 Rd8 25. Rxc5 {And now Nc4 would win.} Rxd2 26. exf6+ ({Of course not} 26. Bxb7 Ra7 $15) (26. Rcxc7 $16 {Rxe6 is the strong threat.} fxe5 27. Rxe6 (27. Bxb7 Ra7 $15)) 26... Kxf6 $11 27. Rexc7 Rd3 $132 {[%mdl 2048] Black has counterplay} 28. Bxb7 Rb8 29. Bc6 ({Wrong is} 29. Rxa5 $2 Rd1+ 30. Kg2 Rxb7 $19) 29... Rbxb3 30. Kg2 ({Avoid the trap} 30. Rxa5 $2 Rbc3 $19) 30... Rdc3 (30... Rb2 {keeps more tension.} 31. Rc4 Kg7 32. Rb7 Re2 33. Rd7 Rb3) 31. Ba8 Rxc5 (31... Rd3 $1 $11) 32. Rxc5 {[%mdl 4096] Endgame KRB-KRB} Rb8 33. Bf3 e5 34. Rxa5 e4 35. Bg4 Rb2 36. Kf1 $1 e3 37. fxe3 Rxh2 38. Rc5 Ra2 39. a5 Be4 40. Be2 (40. Bd1 $14) 40... Ra3 {The position is equal.} 41. Kf2 Ra2 {Strongly threatening ...Bd3.} 42. Ke1 Ra1+ 43. Kd2 {Hoping for Bc4.} Ra2+ 44. Kd1 Ra1+ 45. Kd2 Ra2+ 46. Ke1 Ra1+ 47. Kf2 Ra2 {Threatens to win with ...Bd3.} 48. Ke1 {Accuracy: White = 81%, Black = 84%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "15"]
[White "Carlsen, Magnus"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2887"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,93,18,16,26,19,13,14,21,-22,-20,-27,12,-8,0,1,0,14,1,1,29,21,47,25,43,42,56,36,55,35,50,35,128,141,331,327,410,403,519,551,510,302,404,412,551,543,551,583,679,631,606,658,653,620,650,658,658,662,643,621,868,864,927,928,979,965,964,935,827,827,804,800,797,797,766,729,922,910,918,902,998,945,29998,29999]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 Ngf6 5. Qe2 a6 6. Ba4 b5 7. Bc2 Bb7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} 8. O-O g6 9. d4 Bg7 {[#] The position is equal.} 10. b3 $1 $146 {[%mdl 8] A relevant novelty.} ({Predecessor:} 10. e5 dxe5 11. dxe5 Bxf3 12. gxf3 Nd5 13. e6 N7f6 14. c4 bxc4 15. exf7+ Kxf7 16. Nd2 {0-1 (31) Mamedov,R (2701)-Nepomniachtchi,I (2771) Astana 2019}) 10... O-O 11. Bb2 e5 12. d5 Nh5 13. g3 Nb6 14. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} f5 15. c4 bxc4 16. bxc4 f4 17. a5 Nd7 18. g4 $1 {[%cal Rg4h5]} Nhf6 19. g5 Nh5 20. Kh1 Rf7 21. Nbd2 h6 (21... Bc8 $14) 22. Rg1 $36 {[%mdl 2048] White is in control.} Nf8 $2 {This move loses the game for Black.} (22... hxg5 $16 {was necessary.} 23. Nxg5 Rf6) 23. gxh6 $18 Bxh6 24. Nxe5 {[%mdl 64] [#] Double Attack} f3 25. Nxf7 fxe2 26. Nxd8 Rxd8 27. Nf3 Bc8 28. Rae1 Nf4 29. Bc1 Kf7 30. Ng5+ Bxg5 31. Rxg5 Nh3 32. Rg3 Nxf2+ 33. Kg2 Ng4 34. Bb2 Re8 35. Rxe2 Ne5 36. Rf2+ Kg7 37. Rgf3 Nfd7 38. Ba4 Kh6 39. Rh3+ Kg7 40. Bxd7 Bxd7 41. Rhf3 Kh6 42. Bxe5 Rxe5 43. Rf4 Ba4 44. Rb2 Kh5 45. Rb8 {[#] Black must now prevent Rh8+.} g5 46. Rf6 {Threatening mate with Rh8+.} Rxe4 47. Rh8+ {Accuracy: White = 91%, Black = 48%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "15"]
[White "Svidler, Peter"]
[Black "Anton Guijarro, David"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "2754"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,92,16,31,32,30,19,11,10,7,15,11,3,12,0,8,10,9,-29,0,-8,-8,-10,22,15,38,0,0,-2,-8,-40,8,-54,-53,-125,-128,-129,-142,-138,-14,-13,-13,-29,-28,-33,-23,-60,-57,-60,-16,-16,-22,-19,-19,-16,0,1,0,0,0,0,0,4,10,-150,0,0,0,0,0,-73,-73,-739,-621,-674,-592,-1092,-1034,-1238,-1145,-29972,-5716,-29988,-29989,-29989,-29990]} 1. Nf3 d5 2. c4 dxc4 3. Na3 Nf6 4. Nxc4 e6 5. g3 b6 6. Bg2 {A09: Réti Opening: 1 Nf3 d5 2 c4.} Bb7 7. O-O Be7 8. b3 {The position is equal.} O-O 9. Bb2 c5 {[#]} 10. e3 $146 ({Predecessor:} 10. d4 cxd4 11. Nxd4 Bxg2 12. Kxg2 Qd5+ 13. f3 Rd8 14. e4 Qb7 15. Qe2 Nc6 16. Nxc6 Qxc6 17. Ne5 Qb7 18. Rac1 Rac8 19. Rfd1 Rxd1 20. Rxd1 {½-½ (38) Kostenko,P (2455)-Adly,A (2684) Pavlodar 2015}) 10... Nc6 11. Qe2 Qc7 12. Rac1 Rac8 13. Ng5 h6 14. Ne4 Nxe4 15. Bxe4 f5 16. Bg2 Bf6 17. Bxf6 (17. d4 $5) 17... Rxf6 18. d4 cxd4 19. Rfd1 Rd8 20. Na3 (20. f4 $11 dxe3 21. Ne5) 20... e5 $1 $15 21. exd4 (21. Nc2 $15) 21... Nxd4 $17 22. Qc4+ Qxc4 23. Nxc4 Ne2+ ({Black should play} 23... e4 $17 24. Kh1 Rf7) 24. Kf1 $11 Bxg2+ 25. Kxg2 Rxd1 26. Rxd1 {[%mdl 4096] Endgame KRN-KRN} e4 27. Rd8+ Rf8 28. Rd7 Rf7 29. Rd8+ Kh7 30. Nd6 Rf6 31. Rd7 f4 32. Nxe4 f3+ 33. Kh3 Re6 34. Nd2 Ng1+ 35. Kg4 Re2 36. Nxf3 $2 {[#]} ({Better is} 36. Kf5 $11) 36... Nxf3 (36... h5+ $1 $17 37. Kf4 Rxf2) 37. Kxf3 Rxa2 {KR-KR} 38. h4 Ra3 39. Kg4 (39. Ke2 $11 {remains equal.}) 39... a5 $17 {[%cal Ba7a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 40. Rd3 $2 {[%mdl 8192] This costs White the game.} (40. f4 $17) 40... b5 41. Rd7 Rxb3 42. Rb7 a4 {[#] And now ...a3 would win.} 43. f4 a3 44. Kf5 b4 (44... Rb4 $142 45. Ra7 Ra4 46. Rc7 a2 47. Re7 a1=Q 48. Re8 Qf6+ 49. Kg4 Qg6+ {[%mdl 64] Double Attack} 50. Kf3 Qxe8 51. g4 Ra3+ 52. Kf2 Ra2+ 53. Kf3 Qe2+ 54. Kg3 Qg2#) 45. g4 a2 46. g5 hxg5 {Accuracy: White = 45%, Black = 74%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "15"]
[White "Dubov, Daniil"]
[Black "Bu, Xiangzhi"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2720"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,-18,-22,-52,-37,-29,-37,-34,-33,-72,-56,-46,8,21,21,20,30,-34,-34,-306,-306,-309,-254,-258,-256,-263,-255,-254,-215,-357,-347,-402,-323,-421,-406,-406,-412,-485,-482,-622,-614,-583,-500,-752,-613,-764,-445,-449,-443,-432,-427,-911,-906,-904,-911,-1033,-1046,-1383,-1327,-5968,-5956,-4686,-1597,-1666,-915,-883,-878,-863,-860,-1154,-1146,-1012,-964,-2066,-2032,-1747,-1428,-12363,-8565,-6902,-6444,-6137,-6106]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ 5. Nbd2 dxc4 6. Qa4+ {D30: Queen's Gambit Declined: Systems without Nc3.} Nc6 7. e3 Qd5 {And now ...Bxd2+ would win.} 8. Bxf6 $1 {Black is slightly better.} gxf6 9. a3 b5 10. Qc2 {[#]} Be7 $146 (10... Ba5 $15) ({Predecessor:} 10... Ba5 11. O-O-O Ke7 12. Rg1 Bb6 13. g4 Bb7 14. Bg2 Qd7 15. Ne4 Na5 16. g5 Nb3+ {1-0 (28) Sorensen,H (2319)-Kvaloy,A (2138) Stockholm 2019}) 11. b3 $11 cxb3 12. Nxb3 f5 13. Bd3 (13. Be2 $11) 13... Bb7 $1 $36 {[%mdl 2048] Black has good play.} 14. e4 $2 {[%mdl 8192] Now White is beyond hope.} ({Better is} 14. Nbd2 $15) 14... fxe4 $19 15. Bxe4 {[#]} Nxd4 $1 {[%mdl 512]} 16. Nbxd4 Qxe4+ 17. Qxe4 Bxe4 18. Nxb5 O-O 19. O-O (19. Ne5 {was worth a try.}) 19... Bd3 20. Nxc7 Rac8 21. Rfc1 Bf6 22. Ra2 Rfd8 23. h4 Bf5 {Black is clearly winning.} 24. Rc4 Rd1+ 25. Kh2 Be7 26. g4 (26. Rd4 $142 Rxd4 27. Nxd4 Rxc7 28. Nxf5 exf5 29. g3) 26... Bd3 27. Rc6 {intending Nd5!} Be4 28. Nd5 {[#]} Bd6+ $1 {[%mdl 512]} 29. Rxd6 Bxd5 ({Don't play} 29... Rxd5 30. Ng5 $19) 30. Ne5 (30. Ng1 $142 Rcc1 31. Rxd5 Rxd5 32. f3) 30... Rh1+ 31. Kg3 Bxa2 32. Nd7 Kg7 33. g5 Rc3+ 34. f3 Bd5 35. Ne5 Re3 36. Kf4 Rxe5 37. Kxe5 Rxh4 {[%mdl 4096] Endgame KRB-KR} 38. f4 Rh3 39. f5 Re3+ 40. Kd4 Rxa3 41. Rd8 Rf3 42. f6+ Kg6 43. Ke5 Rf5+ 44. Kd6 Kxg5 45. Ke7 Rxf6 {Accuracy: White = 27%, Black = 84%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "15"]
[White "Mamedyarov, Shakhriyar"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2716"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,158,18,9,29,35,30,29,17,23,19,30,37,22,25,-1,-3,-31,0,0,0,0,30,30,36,29,28,29,31,23,47,52,38,27,49,0,0,-3,0,0,0,0,139,117,116,114,113,1,127,110,121,95,103,99,99,104,106,104,108,116,124,131,161,23,26,0,0,0,0,0,0,0,40,8,8,8,61,8,19,0,0,-8,-8,-8,-68,-1590,52,0,0,0,0,0,0,0,0,0,0,0,0,-79,-101,-1278,-530,-483,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. a3 Bxc3+ 6. Qxc3 d6 {6...d5 gains popularity.} 7. f3 c5 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 8. dxc5 dxc5 9. Bf4 Nc6 {White has an edge.} 10. Rd1 Qb6 11. e3 Re8 {[#]} 12. Bg5 $146 ({Predecessor:} 12. Bd3 e5 13. Bg5 Nd4 14. Kf2 e4 15. Bb1 exf3 16. gxf3 Nf5 17. Bxf5 Bxf5 18. Bxf6 Qxf6 19. Qxf6 gxf6 {1-0 (57) Maletin,P (2617)-Tomashevsky,E (2708) Irkutsk 2010}) 12... Nd7 13. Bd3 Nde5 14. Be2 Ng6 15. h4 h6 16. h5 Nf8 (16... Nge7 {keeps more tension.} 17. Bh4 Nf5 18. Bf2 Qc7 19. Bd3 e5) 17. Bh4 e5 18. Nh3 Bf5 19. Nf2 Bh7 20. O-O Ne7 {With the idea ...Nf5.} 21. Bxe7 Rxe7 22. Rd5 Nd7 23. Bd3 Bxd3 24. Nxd3 e4 25. fxe4 Nf6 26. e5 $36 {[%mdl 2048] White has some pressure.} Nxh5 (26... Nxd5 $11 27. cxd5 c4 28. Qxc4 Qxe3+ 29. Rf2 Rd7) 27. Rf3 {aiming for Qe1.} ({Reject} 27. Nxc5 $6 Ng3 $14) 27... Rae8 28. Nxc5 Qg6 29. Kf2 (29. Qd3 $16 {Qxg6 is the strong threat.} Qxd3 30. Nxd3) 29... f6 (29... Qg5 $11) 30. e6 $16 f5 31. Qe5 ({Much weaker is} 31. Rfxf5 $6 Nf6 $11) 31... Nf6 {[#] White must now prevent ...Ng4+.} 32. Qxf5 Qxf5 33. Rfxf5 b6 34. Nd7 Ne4+ 35. Ke1 Rxe6 36. Rde5 Nd6 {[#]} 37. Rxe6 (37. Rf8+ $1 $18 {[%mdl 512]} Kh7 (37... Rxf8 38. Rxe6) 38. Rxe8 Rxe8 39. Rxe8 Nxe8 40. Ne5) 37... Rxe6 $18 {[%mdl 4096] Endgame KRN-KRN} 38. Re5 (38. Rf8+ {is interesting.} Kh7 39. Rf3 Re7 40. Nf8+ Kg8 41. Ng6) 38... Kf7 39. b3 Ke7 40. Rxe6+ Kxe6 $11 {KN-KN} 41. Nb8 Nf5 42. Ke2 Kd6 43. Na6 g5 (43... Ng3+ $11 44. Kd3 g5) 44. Nb4 (44. Kf3 $1 $14) 44... g4 45. Nc2 Ng3+ 46. Kd3 h5 47. Nd4 h4 48. Ne2 $2 {[%mdl 8192]} (48. b4 $15) 48... Nh1 $2 ({Black should try} 48... Nxe2 $19 49. Kxe2 Kc5) 49. Nf4 (49. Nc3 $1 $14) 49... Nf2+ 50. Ke2 $1 {[%cal Re2f2]} Ne4 51. b4 a5 52. Kd3 Nf2+ 53. Ke2 Ne4 54. Kd3 Nf2+ 55. Kd4 (55. Ke2 $11 {remains equal.} Ne4) 55... h3 $17 56. c5+ $2 {[%mdl 8192]} (56. gxh3 $17 gxh3 57. Ne2) 56... Kc6 (56... bxc5+ $142 57. bxc5+ Kc6 58. gxh3 gxh3) 57. gxh3 $19 axb4 $2 (57... gxh3 $19 58. Nxh3 bxc5+ 59. Kc4 Nxh3 60. bxa5 Nf2) 58. axb4 $11 {Strongly threatening h4.The position is equal.} gxh3 59. Ne2 h2 60. Ng3 b5 61. e4 h1=Q 62. Nxh1 Nxh1 {KN-K3P} 63. e5 Ng3 64. e6 Nh5 65. Ke5 Kc7 66. Kf5 Kd8 67. Kg6 {White wants to mate with Kf7.} Nf4+ 68. Kf7 {e7+ would kill now.} Nd5 69. c6 Kc7 70. e7 Nxe7 $1 71. Kxe7 Kxc6 {( -> ...Kd5). KP-KP} 72. Ke6 Kc7 73. Kd5 Kd7 74. Kc5 Kc7 75. Kxb5 Kb7 76. Kc5 {Intending Kb5 and mate.} Kc7 77. b5 Kb7 78. b6 Kb8 79. b7 Kxb7 {Accuracy: White = 74%, Black = 76%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "15"]
[White "Le, Quang Liem"]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2690"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "155"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,155,27,19,22,12,24,11,21,14,13,13,15,16,13,15,18,12,22,8,18,0,13,7,0,-12,-7,-1,-11,-37,-8,-51,22,-2,0,-12,0,-5,12,12,11,0,16,0,7,0,0,-56,-42,-99,-92,-153,-156,-160,-135,-189,-200,-197,-179,-182,-182,-360,-18,-25,-18,-29,-22,-22,-22,-278,-22,-22,-22,-22,0,0,0,0,0,0,0,0,0,-100,-8,-8,-8,-8,-8,-8,-8,-8,-3,-3,0,-4,-4,-40,-40,-40,-40,-40,-33,-45,-8,-8,-8,-8,-8,-8,0,-14,-8,-8,-8,-8,-8,-8,-8,-117,-8,-8,-8,-8,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. g3 g6 5. b3 Bg7 6. Bb2 O-O 7. Nbd2 Bf5 8. Bg2 Ne4 9. O-O Qa5 10. a3 Nd7 {D78: Fianchetto Grünfeld: 6 0-0 c6.} 11. Rc1 {[#]} Rac8 $146 ({Predecessor:} 11... Rfc8 12. e3 Ndf6 13. h3 Nxd2 14. Nxd2 Ne4 15. b4 Qd8 16. Nxe4 Bxe4 17. Bxe4 dxe4 18. Qc2 {½-½ (43) Nepomniachtchi,I (2714)-Dominguez Perez,L (2726) Beijing 2014}) 12. b4 Qd8 13. e3 Nxd2 14. Nxd2 Bd3 15. Re1 $1 Nb6 {[%cal Rb6c4]} 16. c5 Nc4 17. Nxc4 Bxc4 18. a4 Re8 19. f4 Qd7 20. Qd2 b6 21. Bf1 Bxf1 22. Rxf1 Rb8 23. Ba3 h5 24. Rc2 b5 (24... bxc5 $15 25. Rxc5 Bf8) 25. Ra2 a6 26. Bb2 Qf5 27. Bc3 Bf6 28. Qc2 Qe6 29. Qe2 Qe4 30. Kf2 Kg7 31. Qc2 Qe6 32. Qd3 (32. Qe2 $11) 32... h4 $1 $15 33. Kg2 (33. Ke1 $15) 33... hxg3 $17 34. hxg3 (34. f5 $142 gxf5 35. h3) 34... Rh8 35. f5 Qd7 $1 36. e4 (36. axb5 $17 axb5 37. Rf3) 36... dxe4 $19 37. Qxe4 Rh5 $1 {[%cal Rg6f5]} 38. axb5 axb5 {[%cal Rg6f5]} 39. Ra6 $2 (39. g4 Rh4 40. Kg1) 39... Rc8 $2 (39... Rbh8 $19 40. Rf2 Rh1) 40. g4 $11 Rg5 41. Bd2 gxf5 42. Rxf5 Rxf5 43. Qxf5 $4 {[%mdl 8192]} (43. gxf5 $11 {and White stays safe.} Qxd4 44. Qxd4 Bxd4 45. Kf3) 43... Qxf5 $2 (43... Qxd4 $19 44. Be1 Qb2+ 45. Qf2 Qc1) 44. gxf5 Bxd4 {[%mdl 4096] Endgame KRB-KRB} 45. Kf3 e6 46. Ke4 Bb2 47. fxe6 fxe6 48. Ra7+ Kg6 49. Ra2 Bf6 50. Bf4 {[#]} (50. Ra6 $11 {remains equal.}) 50... Rd8 (50... Rh8 $1 $17 {And now ...Rh4 would win.} 51. Be3 Rh4+ 52. Kd3 e5) 51. Bd6 Rh8 {Threatening ...Rh4+.} 52. Ra6 Rh4+ 53. Kf3 Rxb4 {Black wants to play ...Kf5.} 54. Rxc6 Rc4 55. Rb6 b4 56. c6 {[#] Hoping for c7.} b3 $1 {[%mdl 512]} 57. Rxb3 {Strongly threatening c7.} Rxc6 58. Bf4 Kf5 59. Be3 e5 60. Ra3 e4+ (60... Rc2 {seems wilder.} 61. Ra5 Rb2 62. Bc1 Rb3+ 63. Ke2 Rb4) 61. Ke2 Rc2+ 62. Kd1 Rg2 63. Ra4 Be5 64. Rc4 Bf4 65. Bxf4 Kxf4 {KR-KR} 66. Rc3 Rf2 67. Ke1 Rf3 68. Rc8 {[#]} (68. Rc2 $1 $11) 68... Ra3 ({Better is} 68... Rh3 $1 $17 69. Ke2 Rh2+ 70. Kd1 Kf3 71. Rf8+ Ke3) 69. Rc2 {The position is equal.} Ra1+ 70. Ke2 Rh1 {( -> ...Rh2+)} 71. Rc3 Rh2+ 72. Ke1 e3 {White must now prevent ...Kf3.} 73. Rc8 Kf3 {[%cal Rh2h1]} 74. Rf8+ Ke4 75. Re8+ Kf3 {[%cal Rh2h1]} 76. Rf8+ Ke4 77. Re8+ Kf3 {[%cal Rh2h1]} 78. Rf8+ {Whites escaped into a draw. Accuracy: White = 77%, Black = 79%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "16"]
[White "Grischuk, Alexander"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "2765"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "243"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,243,39,36,34,28,41,25,47,27,80,30,61,57,63,29,62,30,61,53,73,22,23,16,29,60,46,35,58,48,78,90,93,54,66,63,61,39,55,16,100,80,212,222,289,228,266,192,227,160,160,164,154,79,87,83,315,169,446,237,975,757,29984,75,558,169,141,32,59,8,8,8,649,145,118,122,347,349,534,529,1377,0,0,0,0,0,0,0,0,0,0,0,24,24,24,0,0,0,0,-4,0,0,0,-4,0,0,0,0,0,0,0,0,8,8,8,8,8,8,8,8,8,8,14,22,22,22,22,29,37,8,8,8,8,8,8,8,45,45,45,45,45,52,52,8,8,8,48,8,8,8,8,0,8,0,8,0,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Ba7 7. Qe2 Nc6 8. Be3 Nge7 9. O-O {Recently 9.N1d2 got a lot of attention.} O-O {B42: Sicilian: Kan Variation: 5 Bd3.} 10. Bxa7 Rxa7 11. c4 b6 {White has an edge.} 12. Nc3 d6 (12... e5 $11) 13. Rfd1 {[#]} Qc7 $146 ({Predecessor:} 13... Rd7 14. Rac1 Bb7 15. c5 bxc5 16. Bxa6 Bxa6 17. Qxa6 Qb8 18. Qe2 Rb7 19. Rd2 Rxb3 20. axb3 {0-1 (55) Rahal,M (2310)-Vehi Bach,V (2420) San Sebastian 1994}) 14. Qe3 Qb8 15. Rac1 Rd8 16. Be2 Rc7 17. a3 h6 18. h3 (18. f4 $16) 18... Ne5 19. Nd2 N5g6 20. b4 Bd7 21. Nb3 Be8 22. f4 Kh8 23. g3 Ng8 24. Rd2 Nf6 25. Rcd1 Rcc8 26. Nd4 Ne7 27. Nf3 Nc6 (27... b5 $11) 28. g4 e5 (28... Kg8 $16) 29. f5 $18 Nh7 30. h4 f6 31. Kh1 Bf7 32. g5 {aiming for g6.} Nd4 {and if ...Nxf3 works, Black does fine.} 33. gxh6 Nxe2 34. Nxe2 (34. hxg7+ $142 Kxg7 35. Rxe2 (35. Nxe2 Rxc4 36. Nc3 Kh8 $16) 35... Rxc4 36. Rg1+ Kh8 37. Rh2 (37. Qh6 Rg8 $16)) 34... Rxc4 $16 35. hxg7+ Kg8 $2 (35... Kxg7 $16 36. Nc3 (36. Rg1+ Kh8 $16) 36... Kh8) 36. Ng3 $40 {[%mdl 128] White attacks with force.} (36. Rg1 $142 d5 37. Nh2 Rxe4 38. Qh3 (38. Ng4 Rxg4 39. Rxg4 d4 $16)) 36... d5 $2 (36... Kxg7 {might work better.} 37. Rg2 Kh8) 37. Nh2 (37. Qh6 $142 Rd6 38. Nh2) 37... Rdc8 $2 (37... Kxg7 38. Ng4 Rd6) 38. Ng4 $18 Rc3 39. Qf2 $2 (39. Rg2 {mates} Kxg7 40. Qh6+ Kh8 41. Nxf6 Bg6 42. fxg6 {[%mdl 64] Pin} Qa7 43. Nf5 Rh3+ 44. Kg1 $1 {[%mdl 512]}) 39... Qb7 $2 {[%mdl 8192]} (39... Kxg7 $16 {is more resistant.} 40. Qg2 Rh8) 40. Rg1 $2 (40. Qg2 {Intending Nh5! and mate.} Kxg7 41. Nxe5 $1 {[%mdl 512]}) 40... Kxg7 {[#]} 41. Kh2 ({White should try} 41. Qg2 $1 $16 Kf8 42. Nh6 (42. exd5 R8c4 $11)) 41... Kh8 42. exd5 (42. Ne2 $14 Rc2 43. Rxc2 Rxc2 44. Nh6 (44. Ne3 Rc8 $14)) 42... Bxd5 $11 {...R8c4 is the strong threat.} 43. Nh5 Be4 $2 {[%mdl 8192]} (43... Rxa3 $11 44. Ne3 (44. Ngxf6 Nxf6 45. Nxf6 Rcc3 $17) 44... Bg8) 44. Nhxf6 $2 (44. Ngxf6 $18 {is the precise move to win. And now Rg6 would win.} a5 45. bxa5 (45. Rd7 Rc2 $16) 45... bxa5 46. Nxh7 (46. Rd7 Rc2 $16)) 44... Rc2 $16 {Strongly threatening ...Rxd2.} 45. Rgd1 {Threatens to win with Rxc2.} Nxf6 $2 (45... Qg7 $16 {was necessary.} 46. Nxe4 Rxd2 47. Nxd2 (47. Rxd2 Qxg4 48. Re2 Rd8 $11) 47... Qxg4) 46. Nxf6 $18 Bd3 {[#]} (46... Qc6 $142 47. Ng4 Rf8 48. Nxe5 Qf6) 47. Qe3 $1 {White threatens Qh6+ and mate.} Qg7 48. Qg5 $2 ({White must play} 48. Nh5 $18 Qf8 49. Qxd3 {[%mdl 64] Double Attack} Rxd2+ 50. Rxd2) 48... Qxg5 $11 49. hxg5 Bxf5 50. Rxc2 Rxc2+ {[%mdl 4096] Endgame KRB-KRN} 51. Kg3 Rc3+ 52. Kf2 Kg7 53. Rd6 Rxa3 54. Nh5+ Kh7 55. Rxb6 (55. Rh6+ {looks sharper.} Kg8 56. g6 Rh3 57. g7 Rh2+ 58. Kg1) 55... a5 56. b5 Rb3 57. Nf6+ Kg7 58. Nh5+ Kh7 59. Nf6+ Kg7 60. Ne8+ Kg8 61. Nd6 Bd3 62. Ra6 Bxb5 63. Rxa5 Bd7 64. Ra8+ Kg7 65. Ra7 Kg6 66. Rxd7 Kxg5 {KRN-KR} 67. Ne4+ Kf4 68. Nd2 Rb2 69. Rf7+ Kg4 70. Ke3 Ra2 71. Nc4 Kg5 72. Nxe5 Ra3+ 73. Ke4 Ra4+ 74. Kd5 Ra5+ 75. Kd4 Ra4+ 76. Nc4 Kg4 77. Rf8 Kg5 78. Kd5 Kg4 79. Ne3+ Kg3 80. Ke5 Ra5+ 81. Nd5 Kg4 {The position is equal.} 82. Rf4+ Kg3 83. Rb4 Kf3 84. Rd4 Kg3 85. Kf5 Ra3 86. Nf4 Ra5+ 87. Ke4 Kg4 88. Ne6 Ra1 89. Ke5+ Kf3 90. Ng5+ Ke3 91. Rd5 Ra8 92. Rb5 Ra1 93. Rb3+ Kd2 94. Ne4+ Kc2 95. Rh3 Ra4 96. Rh2+ Kc1 97. Nc5 Ra8 98. Kd4 Rc8 99. Ne4 Rd8+ 100. Ke3 Re8 101. Ra2 Kd1 102. Ra4 (102. Kf4 {seems wilder.} Rf8+ 103. Kg5 Kc1 104. Nd2 Rc8 105. Ne4) 102... Kc2 103. Rc4+ Kb3 104. Rc7 Kb4 105. Rd7 Kb5 106. Kd4 Kc6 107. Rd6+ Kc7 108. Rh6 Ra8 109. Kd5 Ra1 110. Nc3 Rg1 111. Kc5 Kd7 112. Ne4 Rc1+ 113. Kd5 Rd1+ 114. Ke5 Kc7 115. Nc3 Rc1 116. Nd5+ Kb7 117. Rb6+ Ka7 118. Kd6 Rh1 119. Rb2 Rh5 120. Nc7 Rh6+ 121. Kc5 Rh5+ 122. Kc6 {White really could win this. Accuracy: White = 75%, Black = 67%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "16"]
[White "Bu, Xiangzhi"]
[Black "Carlsen, Magnus"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "2760"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,84,10,17,-8,-6,-27,-27,-32,-16,-32,-34,-33,-24,-35,-34,-57,-39,-77,-62,-70,-73,-68,-68,-73,-87,-91,-97,-106,-101,-128,-125,-128,-125,-106,-99,-99,-99,-104,-97,-123,-89,-278,-276,-243,-243,-245,-81,-81,-81,-81,-81,-1115,-1062,-29988,-29989,-29989,-29990,-29990,-29982,-29996,-11897,-12798,-12365,-29979,-29980,-29994,-29995]} 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Qc2 Bd6 7. Be2 dxc4 8. Bxc4 b5 9. Be2 Bb7 10. O-O O-O 11. b3 {D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} a6 12. Bb2 c5 13. dxc5 {Black has an edge.} Bxc5 14. Rfd1 {[#]} Rc8 $5 $146 {[%mdl 8] An interesting novelty.} ({Predecessor:} 14... Qe7 15. Rac1 Rac8 16. Qb1 Nb6 17. Ng5 h6 18. Nge4 Nxe4 19. Nxe4 Bxe4 20. Qxe4 Nd5 21. Bf3 Ba3 {½-½ (58) Oliveira,A-Thilaganathan,J (1929) Kemer 2007}) 15. a3 Qe7 16. b4 Bd6 17. Qb3 Ng4 18. h3 Nge5 19. Nxe5 Nxe5 20. Rd4 Bb8 21. Ne4 Bd5 22. Qd1 Nc6 23. Rxd5 exd5 24. Qxd5 {[#]} Rfd8 $1 $40 {[%cal Rd8d5][%mdl 128] Black is out for blood.} 25. Qf5 Be5 26. Bxe5 Nxe5 27. Nc5 g6 28. Qe4 Qf6 {Strongly threatening ...Nf3+!} 29. Re1 Rd2 30. f4 $2 (30. Qb1 $17) 30... Nc4 {And now ...Qh4 would win.} 31. Bxc4 bxc4 32. Qxc4 {[#]} Qc6 $2 (32... Qb2 $1 $19 {[%mdl 512] and Black stays clearly on top.} 33. Qe4 Qxa3) 33. Re2 $17 Rcd8 34. Kf2 a5 35. b5 $2 {[%mdl 8192]} (35. Qe4 $17 Qxe4 36. Nxe4) 35... Rxe2+ $19 {[%mdl 64] Overworked Piece} 36. Kxe2 Qxg2+ {[%mdl 4160] Endgame Double Attack. KQR-KQN} 37. Ke1 Qd2+ {[%mdl 64] Double Attack} 38. Kf1 Qxe3 {[%mdl 64] Double Attack} 39. Ne4 Rd1+ (39... Qf3+ $142 40. Kg1 Rd1+ 41. Qf1 Rxf1+ 42. Kh2 Rh1#) 40. Kg2 {[#]} Rd4 $1 41. Qc8+ {[#]} Kg7 $1 42. Nf2 {[#]} Rd2 $1 {Accuracy: White = 62%, Black = 78%.} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "16"]
[White "Xiong, Jeffery"]
[Black "Dubov, Daniil"]
[Result "1-0"]
[ECO "D38"]
[WhiteElo "2724"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,101,23,14,19,12,37,15,31,22,17,24,25,22,22,10,22,25,10,9,35,22,27,8,16,16,16,21,56,11,14,-32,-40,-117,-71,-63,0,-203,0,0,0,-9,-2,-24,0,0,0,0,0,0,0,0,0,0,0,-56,0,0,13,0,102,0,98,0,27,0,84,16,16,16,69,70,374,373,4682,932,510,300,316,315,307,307,29974,29975,29974,29975,29975,29976,29976,29977,29975,29974]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. Qa4+ Nc6 6. cxd5 exd5 7. Bg5 O-O {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} 8. e3 Be7 9. Be2 {[#]} h6 $146 {The position is equal.} ({Predecessor:} 9... Be6 10. O-O h6 11. Bxf6 Bxf6 12. b4 a6 13. a3 Ne7 14. Qc2 c6 15. Na4 Bf5 {½-½ (68) Brattain,M (2357)-Liang,A (2404) Saint Louis 2015}) 10. Bh4 Ne4 11. Bxe7 Nxe7 12. Nxe4 dxe4 13. Nd2 f5 14. O-O Be6 15. Rac1 Kh7 16. g3 Nd5 17. Nb3 b6 18. Nd2 a5 19. a3 Qg5 {White should prevent ...Nxe3!} 20. Kh1 Rad8 21. Qd1 {[#]} c5 $1 {[%mdl 512]} 22. h4 (22. dxc5 $15 Nxe3 23. fxe3 Qxe3 {[%mdl 64] Double Attack} 24. Rc2) 22... Qf6 23. dxc5 Qxb2 (23... f4 $1 $15 24. Nxe4 Qxb2) 24. Qc2 $2 (24. Nc4 $11 {and White is okay.} Qf6 25. Qd4) 24... Qxc2 $2 (24... Qxa3 $19 {Threatens to win with ...Nb4.} 25. Bc4 Qxc5) 25. Rxc2 $11 bxc5 26. Nc4 a4 27. Nb2 Ra8 28. Rxc5 Rfb8 29. Bc4 Rxb2 30. Bxd5 Bxd5 31. Rxd5 {[%mdl 4096] Endgame KRR-KRR} Kg6 {Hoping for ...Ra2.} 32. Kg2 Rc8 33. Rd4 (33. h5+ $11 Kxh5 34. Rxf5+ Kg6 35. Ra5) 33... Rcc2 (33... Rc3 $1 $15) 34. Rxa4 Ra2 35. Ra5 Rcb2 {[#]} (35... h5 $11) 36. a4 (36. h5+ $1 $16 {[%mdl 512]} Kf6 (36... Kxh5 37. Rxf5+) 37. g4 $1 {[%mdl 512]}) 36... Rc2 (36... h5 $11) 37. Kg1 (37. h5+ $1 $16 Kxh5 38. Rxf5+ Kg6 39. Rf4) 37... Rcb2 {[#]} 38. Kg2 ({Better is} 38. h5+ $1 $11 {[%mdl 512]} Kg5 (38... Kxh5 39. Rxf5+) 39. Ra7) 38... Rc2 $16 {[#]} 39. g4 ({White should play} 39. h5+ $1 $16 Kg5 {[#]} 40. g4 $1 {[%mdl 512]}) 39... fxg4 $11 40. h5+ Kf6 (40... Kh7 $11) 41. Kg3 $14 g6 $2 {[%mdl 8192] Now Black is done in.} ({Black should try} 41... Rab2 $14) 42. Ra6+ $18 Kg5 $2 (42... Kf7 43. Rxg6 Rxa4) 43. Rxg6+ (43. hxg6 $142 Rxa4 44. g7) 43... Kf5 44. Rxg4 Rxa4 45. Rb1 Rc5 46. Rb6 Ke5 $2 (46... Rca5 $18 47. Rxh6 Ra1) 47. Rxh6 {[%cal Rg4g5] White mates.} Kd5 48. Rg5+ Kc4 49. Rxc5+ Kxc5 50. Rh8 Ra1 51. h6 {Accuracy: White = 69%, Black = 52%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "16"]
[White "Korobov, Anton"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2667"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,109,23,0,7,0,15,0,10,8,14,-8,0,0,0,0,15,16,21,9,4,4,7,8,10,2,37,35,23,22,51,35,36,36,160,160,181,179,179,161,163,157,190,187,187,128,128,123,149,90,158,117,171,171,165,108,239,157,164,114,210,137,107,90,141,142,121,33,304,226,372,233,233,189,181,188,190,112,325,268,221,12,12,8,8,0,0,-505,0,0,0,0,1132,838,29976,29977,29983,29984,29988,29989,29989,29990]} 1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Bd3 Bg6 6. Ne5 Bxd3 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 7. cxd3 c6 8. Nd2 (8. O-O {is more complex.} Bd6 9. Nc3 O-O 10. Rc1 Ne8 11. Na4) 8... Bd6 {The position is equal.} 9. O-O O-O {[#]} 10. Qf3 $146 ({Predecessor:} 10. Rc1 Na6 11. a3 c5 12. Ndf3 Rc8 13. Re1 b6 14. Qa4 Nc7 15. Nc6 Qd7 16. Bxd6 Qxd6 17. dxc5 bxc5 {1-0 (35) Ong,A (1361)-Hardwick,M (1122) ICCF email 2018}) 10... Qc7 11. Qh3 Nbd7 {[%cal Rd7e5]} 12. Ndf3 Rfe8 13. g4 {Hoping for g5.} Nf8 14. g5 $36 {[%mdl 2048] Black is under pressure.} N6d7 15. Qg3 Nxe5 16. dxe5 Be7 17. h4 a5 18. h5 a4 19. Nh2 {[%cal Bf3h2,Bh2g4,Bg4f6][%mdl 32]} Qb6 20. Rab1 Kh8 21. Ng4 Qd8 {[#]} (21... Nd7 $14) 22. Nf6 $1 $16 {[%mdl 512]} Nd7 (22... Bxf6 23. gxf6) 23. Nxe8 Qxe8 24. Rfc1 c5 25. e4 d4 26. b3 axb3 27. Rxb3 (27. axb3 $18 Ra3 28. Qg4) 27... b6 28. Rc2 Ra4 29. Kg2 (29. Bc1 $142) 29... Bd8 ({Black should play} 29... g6) 30. Bd2 Kg8 (30... Bc7 $16 {was necessary.}) 31. f4 $18 Be7 32. f5 (32. Rbb2 $18) 32... Qa8 (32... c4 $16) 33. f6 Bf8 34. Rbb2 c4 {White should prevent ...c3.} 35. Rxc4 Rxc4 36. dxc4 Qxe4+ 37. Qf3 Qxe5 38. Rb5 (38. fxg7 $16 Bxg7 39. Bc1) 38... Bc5 $2 {[%mdl 8192]} (38... Qc7 $14) 39. fxg7 Kxg7 (39... Qxg7 $142 40. a4 Qf8) 40. h6+ Kg6 41. Qd3+ Qf5 {[#]} 42. Qxf5+ $1 Kxf5 {[%mdl 4096] Endgame KRB-KBN} 43. a4 ({Better is} 43. Bb4 $18) 43... Ke4 $2 (43... e5 $16) 44. a5 bxa5 {[#] ...a4 is the strong threat.} 45. Bxa5 $2 (45. g6 $1 $18 {[%cal Rg6h7]} fxg6 46. Bxa5) 45... d3 $1 $11 46. Rb7 Ne5 47. Bc3 Bd4 $1 {[%cal Rd4c3]} 48. Bxd4 $2 {[%mdl 8192]} (48. Bb4 $11 {and White stays safe.}) 48... Kxd4 $2 {KR-KN} ({Black should try} 48... d2 $19 49. Bxe5 d1=Q) 49. Kf2 {Threatens to win with c5!} Kc3 50. Ra7 {Black must now prevent c5.} d2 $2 {[%mdl 8192]} (50... Ng4+ $11 51. Kf3 (51. Ke1 $2 d2+ 52. Ke2 Nf2 $19) 51... d2) 51. Ke2 $18 Nxc4 52. Rxf7 {White mates.} Ne5 53. Rxh7 Nc4 54. Rc7 e5 {[#]} 55. Rxc4+ $1 {[%mdl 576] Promotion. Accuracy: White = 62%, Black = 58%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "16"]
[White "Anton Guijarro, David"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2590"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "226"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,226,35,33,36,39,8,47,23,26,12,2,0,19,4,24,6,18,18,32,25,38,8,19,0,0,-9,-24,-28,-15,-46,0,0,0,-152,-160,-176,-157,-220,-159,-205,-108,-177,-93,-95,0,-49,-6,-6,-6,-5,-5,-5,-5,-8,-3,-64,-5,-75,-54,-136,52,52,114,114,148,152,158,158,133,133,202,202,195,133,323,86,86,86,91,16,16,16,474,474,444,381,337,288,387,208,29957,29959,29969,29970,29970,29971,29972,29958,29961,29962,29960,29961,29962,29963,29961,29964,29963,29965,29959,29963,29964,17,24,24,44,60,29948,29947,29948,29947,29941,29945,29942,29945,29953,29945,29943,29950,29947,29951,29950,29952,29942,29943,29955,11383,759,0,29957,29957,29959,29957,29958,0,0,0,29958,29958,29956,29956,29960,29960,29960,29960,29959,29960,29963,29963,29964,29963,29968,29969,29970,29966,29970,29967,29967,29961,29954,12566,29960,7145,29971,29972,29976,29979,29981,5693,29970,29972,11383,9284,6410,0,0,0,6150,0,5777,5722,5692,5681,5659,0,0,0,5652,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. e3 f5 5. d4 e4 $1 {[%cal Re4f3]} 6. Ng1 {A35: Symmetrical English: 2 Nc3 Nc6 3 Nf3.} Nf6 7. Nh3 d6 8. Nf4 {[#] White is slightly better.} g6 $146 ({Predecessor:} 8... Be7 9. Be2 O-O 10. O-O g5 11. Nfd5 Nxd5 12. cxd5 Nb8 13. dxc5 dxc5 14. Bc4 Bd6 {0-1 (43) Ramirez,B (2201)-Panesso Rivera,H (2339) Medellin 2012}) 9. h4 Bh6 {aiming for ...Bxf4.} 10. Ncd5 O-O 11. Be2 b6 12. g3 Nxd5 13. cxd5 Ne7 14. dxc5 bxc5 15. Bc4 Rb8 16. b3 Bg7 17. Rb1 Qa5+ 18. Bd2 $1 {[%cal Rd2a5]} Qxa2 19. O-O Be5 (19... Ba6 $5 {[%cal Ra6c4]} 20. Ne6 Rfc8 $15) 20. Qc1 Ba6 $36 {[%mdl 2048] White is under pressure.} 21. Bxa6 $2 (21. Ne6 $11) 21... Qxa6 $17 22. Bc3 Bxf4 $1 23. gxf4 (23. exf4 $17 Nxd5 24. Rd1 Nxc3 25. Qxc3) 23... Nxd5 24. Ba1 Nf6 (24... Kf7 $1 $19 {White must now prevent ...Qe2.} 25. Qd2 Nb4) 25. Rd1 (25. Qd2 $17 {keeps fighting.}) 25... Rb4 (25... Rb6 $19 26. Qc4+ Qxc4 27. bxc4 Ne8 28. Rxb6 axb6) 26. Qd2 d5 (26... Rb6 $17 27. b4 Qb7 28. Qa2+ Qf7) 27. Bc3 Rb5 {Strongly threatening ...Rf7.} 28. Ra1 Qb7 (28... Qe6 {is interesting.} 29. Bxf6 Rxf6 30. Qxd5 Qxd5 31. Rxd5 Rf7) 29. Bxf6 Rxf6 30. Qxd5+ Qxd5 31. Rxd5 $11 {[%mdl 4096] Endgame KRR-KRR} Rf7 32. Ra6 (32. b4 $11) 32... Kg7 (32... Rc7 $15 33. Ra3 Kf7) 33. Kg2 (33. h5 $1 $11 {remains equal.}) 33... Kh6 34. Rc6 (34. b4 $15) 34... Rfb7 $2 ({Black should try} 34... Rxb3 $17 {...Rb1 is the strong threat.} 35. Rdxc5 Rb1) 35. Rxf5 $1 $14 R7b6 ({Better is} 35... Rc7 $14 36. Rh5+ (36. Rxc7 gxf5 37. Rc6+ Kg7 $16) 36... Kxh5 37. Rxc7 Kh6) 36. Rfxc5 $16 Rxc5 37. Rxc5 Rxb3 {KR-KR} 38. Ra5 Rb7 39. Kg3 Re7 (39... Rd7 $16 {is a better defense.} 40. Re5 Rb7) 40. h5 $18 Kg7 41. Kg4 (41. hxg6 $18 hxg6 42. Ra4) 41... Kf6 $2 (41... Kf7 $16 {was called for.} 42. hxg6+ hxg6) 42. h6 $2 (42. Ra6+ $18 {and White stays clearly on top.} Re6 43. Rxa7) 42... Kf7 43. Ra6 Rc7 44. f5 (44. Kg5 $16) 44... gxf5+ $11 45. Kxf5 Rc2 $2 {[%mdl 8192]} (45... Re7 $11 {and Black is okay.}) 46. Rxa7+ $18 Kg8 47. Rg7+ Kh8 48. Rg2 $1 ({Less strong is} 48. Kxe4 Rxf2 49. Re7 Kg8 $16) 48... Rc6 49. Kxe4 (49. Rh2 $142) 49... Rxh6 $2 (49... Rc4+ $18 50. Kf5 Rf4+ 51. Kg5 Rf5+ 52. Kg4 Rh5) 50. f4 Re6+ 51. Kf3 h5 52. f5 Rh6 53. Kf4 h4 54. Rh2 Kg7 55. Kg5 h3 56. e4 Rh8 57. e5 Kf7 58. Kg4 Rg8+ 59. Kxh3 Rg1 60. Rg2 $2 (60. Rb2 Rh1+ 61. Kg2 Re1 62. Rb7+ Ke8 63. Rb5 Re3 64. Kf2 Rh3 65. f6) 60... Re1 $11 61. e6+ Kf6 62. Rf2 {And now Kg2 would win.} Re4 $2 {[%mdl 8192]} (62... Rg1 $14) 63. Kg3 Re3+ 64. Kf4 Re5 65. Kg4 Re4+ 66. Rf4 Re5 67. Rf1 Re4+ 68. Kg3 Re3+ 69. Rf3 Re4 70. Kf2 Re5 71. Rf4 Ra5 72. Kf3 (72. Ke2 $142 Ra2+ 73. Kd3 Ra3+ 74. Kd4 Ra4+ 75. Ke3 Ra3+ 76. Kd2 Ra8 77. Rf3) 72... Re5 $18 73. Kf2 $2 (73. Kg2 $18 Ra5 74. Kg3) 73... Rb5 $2 {[%mdl 8192]} (73... Ra5 $11 74. Ke2 Ra2+ 75. Ke3 Ra8) 74. Ke3 Rb3+ 75. Kd2 Ra3 76. Re4 $2 (76. Rf1 {mates} Rg3 77. Ke2 Rc3 78. Rf3 Rc8 79. Kd3 Ra8 80. Rf1 Ke5 81. Kc4 Rc8+ 82. Kb5) 76... Ra8 $1 $11 77. Rf4 $2 {[%mdl 8192]} (77. Kd3 $11 Kxf5 78. Re2 (78. e7 Re8 $11)) 77... Ra3 78. Rf1 Rb3 79. Kc2 Re3 80. Rf2 Ra3 81. Kd2 Rb3 82. Ke2 Ra3 83. Rf3 Ra4 84. Ke3 Rb4 85. Rf2 Ra4 86. Kd3 Rb4 87. Kc3 Re4 88. Rf3 Ra4 89. Kd3 Rb4 90. Re3 (90. Rf1 $142 Rb3+ 91. Kd4 Rb8 92. Re1 Ra8 93. Kd5 Ke7 94. Ke5 Ra5+ 95. Kf4) 90... Rb8 91. Kd4 Rd8+ 92. Kc5 Ke7 93. Rh3 (93. f6+ $142 Kxf6 94. e7 Rc8+ 95. Kd6 Re8 96. Kd7 Rh8 97. e8=Q Rxe8 98. Rxe8) 93... Rc8+ 94. Kd5 Kf6 95. Rh6+ Kg5 96. Rh7 $2 ({White should play} 96. Rh2 $18 {Threatens to win with e7.} Kf6 97. Re2) 96... Kxf5 97. e7 {White threatens Rf7+ and mate.} Kg6 $2 {[%mdl 8192]} (97... Kf6 $11) 98. Rh1 $2 (98. Rh4 $18 Kf6 99. Kd6) 98... Kf7 $2 {[%mdl 8192]} (98... Ra8 $11) 99. Kd6 $1 $18 Ra8 100. Rf1+ Kg7 {[#]} 101. Rc1 $2 (101. Ra1 $1 $18 {[%cal Ra1a8][%mdl 512]} Rxa1 102. e8=Q Rd1+ 103. Kc6 Rc1+ 104. Kd6 Rd1+ 105. Kc6 Rc1+ 106. Kd6 Rd1+) 101... Kf7 $1 $11 102. Rf1+ $2 {[%mdl 8192]} (102. Rc7 $11) 102... Kg7 $18 {[#] intending ...Ra6+.} 103. Kc6 $2 (103. Ra1 $1 $18 {[%cal Ra1a8][%mdl 512]} Rxa1 104. e8=Q Rd1+ 105. Kc6 Rc1+ 106. Kb6 Rb1+ 107. Kc7 Rc1+ 108. Kd6 Rd1+ 109. Kc6 Rc1+ 110. Kd6 Rd1+) 103... Ra6+ $1 $11 {The position is equal.} 104. Kc7 Ra7+ $1 105. Kd6 Ra6+ 106. Ke5 Ra5+ 107. Ke6 Ra6+ 108. Kd5 Ra5+ $1 109. Kc6 Ra6+ $1 110. Kb7 Re6 111. Kc7 {Threatening mate with Kd7.} Rxe7+ 112. Kd6 Rf7 113. Rxf7+ Kxf7 {White used his chance. Accuracy: White = 67%, Black = 62%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "17"]
[White "Carlsen, Magnus"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2887"]
[BlackElo "2720"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,80,31,31,29,41,33,42,35,55,32,46,27,37,20,39,26,41,16,15,25,42,27,65,52,60,50,63,70,66,55,56,39,83,47,53,52,52,47,47,52,69,-12,-10,-4,-16,-5,33,23,18,23,23,20,27,0,4,4,4,3,2,2,0,0,0,3,3,3,4,0,0,0,0]} 1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. g3 O-O 7. Bg2 {C41: Philidor Defence.} Re8 8. O-O Nbd7 {[%cal Bb8d7,Bd7e5,Be5g6][%mdl 32]} 9. Re1 {White is slightly better.} a5 {[#]} 10. Bf4 $146 ({Predecessor:} 10. Be3 Bf8 11. h3 Nc5 12. Bf4 a4 13. Qd2 h6 14. e5 dxe5 15. Bxe5 Nce4 16. Bxe4 Rxe5 {½-½ (38) Thierry,R (2326)-Van Tricht,M (2385) ICCF email 2015}) 10... Bf8 11. Qd2 Ne5 12. b3 Ng6 13. Be3 h6 14. h3 Bd7 15. f4 c6 16. a4 Qc7 17. Rad1 Rad8 18. Bf2 Qc8 19. Kh2 Qc7 20. Nf3 d5 {[%cal Rd5e4]} 21. exd5 {Strongly threatening d6.} Rxe1 22. Bxe1 Be6 23. Nd4 Bxd5 $1 24. Nxd5 Nxd5 25. Nf5 Qc8 26. Qxa5 ({White should try} 26. Qd3 $14) 26... b6 $11 27. Qd2 $1 Qxf5 28. c4 $1 {[%cal Rc4d5]} Bb4 29. Qf2 ({Reject} 29. Qxb4 Nxb4 30. Rxd8+ Kh7 $17) 29... Bxe1 $1 ({But not} 29... Bc5 $6 30. Qe2 $16) 30. Qxe1 Qc2 31. cxd5 cxd5 32. b4 d4 {The position is equal.} 33. a5 bxa5 34. bxa5 {[#] And now a6 would win.} d3 35. Qd2 {Qxc2 is the strong threat.} Qa4 36. Bf1 Rd5 37. Bxd3 {aiming for a6.} Qxa5 38. Qxa5 Rxa5 39. Bxg6 fxg6 40. h4 h5 {Accuracy: White = 86%, Black = 88%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "17"]
[White "Svidler, Peter"]
[Black "Bu, Xiangzhi"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2754"]
[BlackElo "2760"]
[Annotator "TA"]
[PlyCount "33"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,33,9,17,0,175,182,250,217,323,319,418,411,416,408,389,380,377,301,313,304,450,456,529,535,1141,1129]} 1. e4 e5 2. Bc4 Nf6 3. d3 c6 4. Nf3 d5 (4... Be7 5. Bb3 d6 6. O-O O-O 7. Nbd2 Nbd7 8. c3 Nc5 9. Bc2 Bg4 10. Nc4 Bh5 11. Ne3 d5 12. Nf5 Re8 13. Qe2 Bf8 14. h3 Qc7 {½-½ (35) Svidler,P (2751)-Bu,X (2710) Tbilisi 2017}) 5. Bb3 a5 {White must now prevent ...a4.} 6. Nc3 {C24: Bishop's Opening: 2...Nf6.} ({Wrong is} 6. Nxe5 $2 a4 $19) 6... d4 $2 (6... Bb4 $11 7. a3 (7. Nxe5 $2 a4 $19) 7... Bxc3+ 8. bxc3 a4) 7. Nxe5 $18 dxc3 (7... Be6 $142) 8. Nxf7 {[%mdl 64] [#] Double Attack. White is clearly better.} (8. Bxf7+ Ke7 $11) 8... Qe7 $146 (8... Bb4 $142 9. Nxd8 cxb2+ 10. Bd2 bxa1=N) ({Predecessor:} 8... Qc7 9. Nxh8 Bb4 10. O-O a4 11. Bf7+ Kf8 12. bxc3 Bxc3 13. Ba3+ c5 14. d4 g6 {1-0 (26) Moiseenko,V (2526)-Guimaraes,D (2322) Moscow 2019}) 9. Nxh8 Be6 10. bxc3 g6 11. O-O Bg7 12. Nxg6 hxg6 13. Ba3 {[%mdl 64] [#] Deflection} Qxa3 14. Bxe6 Qxc3 (14... Nbd7 {keeps fighting.} 15. Rb1 Qe7) 15. Rb1 {White is clearly winning.} b5 16. d4 {Hoping for Rb3.} Na6 17. Rb3 {Black got outplayed after the opening. Accuracy: White = 85%, Black =  4%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "17"]
[White "Mamedyarov, Shakhriyar"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2716"]
[BlackElo "2590"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,139,40,31,11,16,17,19,-18,-17,-15,-21,-29,-28,-27,-12,-17,-24,-18,-2,-52,-37,-50,-10,-51,-56,-101,-103,-130,-98,-227,-141,-361,-203,-238,-242,-251,-243,-382,-404,-380,-350,-352,-344,-346,-336,-339,-310,-374,-370,-343,-267,-296,-60,-547,-398,-404,-242,-441,-400,-398,-292,-297,-245,-245,-208,-209,-209,-231,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,0,-8,0,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. O-O c5 7. Re1 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} b5 8. Bd3 cxd4 {[#]} 9. Nxd4 $146 ({Predecessor:} 9. exd4 Be7 10. Nc3 O-O 11. Bg5 Nbd7 12. Ne5 Bb7 13. a3 Nd5 14. Bd2 Nxe5 15. Rxe5 Bf6 16. Rh5 g6 17. Nxd5 Bxd5 18. Qg4 Bg7 {1-0 (62) Kuzmin,G (2294)-Bicek,R (2013) Pardubice 2011}) 9... Bb7 10. a4 b4 11. b3 Nbd7 12. Bb2 Be7 13. Nd2 Nc5 14. Bc2 O-O 15. f3 Nd5 16. Nc4 Bf6 17. Rc1 g6 18. Bb1 {[#]} Rc8 $1 19. Kh1 Bg7 20. Bc2 (20. f4 $17) 20... Qe7 21. Qe2 $2 (21. Be4 $17) 21... Rfd8 (21... e5 $142 22. e4 Nc3 23. Bxc3 bxc3) 22. Qf2 {[#]} Nxa4 $1 {[%mdl 576] Deflection} 23. bxa4 Rxc4 24. Be4 {[#]} (24. Bb3 {keeps fighting.} Rcc8 25. Rxc8 Rxc8 26. Rc1) 24... Nxe3 $1 $19 {[%mdl 512]} 25. Bxb7 {Hoping for Nc6.} (25. Rxe3 Rxc1+) 25... Qxb7 ({Don't play} 25... Bxd4 26. Rxc4 Nxc4 27. Bxd4 $19) 26. Nxe6 Rxc1 (26... fxe6 $2 27. Qxe3 Rxc1 28. Qxc1 $19) 27. Bxc1 fxe6 28. Qxe3 Qd5 29. Qb6 b3 30. h3 Rc8 31. Ba3 h5 $2 (31... Bd4 $19 32. Qxe6+ Qxe6 33. Rxe6 b2 34. Bxb2 Bxb2) 32. Qxa6 $2 {[%mdl 8192]} ({White should try} 32. Rxe6 $15 b2 33. Bxb2 Bxb2 34. Re1 (34. Rxg6+ $2 Kf7 $19)) 32... Rc2 33. Qb6 b2 (33... Kh7 $142 34. Bc1 Ra2) 34. a5 $2 {[#]} (34. Bxb2 Bxb2 35. Qxe6+ Qxe6 36. Rxe6) 34... Qd2 $1 {[%csl Gc2][%cal Rd2g2][%mdl 576] Double Attack} 35. Rg1 {If only White now had time for a6....} Rc1 36. Bxb2 Rxg1+ ({Resist} 36... Qxb2 37. Qxb2 Bxb2 38. Rxc1 $19) 37. Kxg1 Qxb2 38. Qxe6+ Kh7 {Threatens to win with ...Bd4+.} 39. Qe1 Qa1 $2 ({Black should play} 39... Qa3 $19 40. Kh1 {[#]} Bc3 $1 {[%mdl 512]}) 40. Qxa1 $11 {The position is equal.} Bxa1 {[%mdl 4096] Endgame KB-KP} 41. a6 $1 Bd4+ 42. Kf1 Kh6 43. g3 Kg5 44. Ke2 Kf5 45. Kd3 Ba7 46. h4 $1 Ke5 47. Kc4 Bf2 {Strongly threatening ...Kd6.} 48. Kd3 $1 Kd5 {aiming for ...Kc6.} 49. Ke2 $1 {[%cal Re2f2]} Bd4 50. Kd3 Ba7 51. Ke2 Kd4 52. g4 Ke5 {White must now prevent ...Kf4.} 53. gxh5 gxh5 {And now ...Kf4 would win. KB-K3P} 54. Kf1 $1 Kf4 55. Kg2 $1 Kf5 56. Kg3 (56. f4 $5) 56... Bb6 57. Kg2 Ba7 58. Kg3 Bb6 {[#]} 59. a7 $1 {[%mdl 512]} Bxa7 {KB-KPP} 60. f4 Bb8 61. Kg2 Bxf4 {KB-KP} 62. Kh1 Bg5 63. Kg2 Bxh4 64. Kh1 Bf6 65. Kg2 h4 66. Kh1 h3 67. Kh2 Kg4 68. Kh1 Kg3 69. Kg1 Bd4+ 70. Kh1 h2 {Whites escaped into a draw. Accuracy: White = 66%, Black = 69%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "17"]
[White "Le, Quang Liem"]
[Black "Grischuk, Alexander"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2690"]
[BlackElo "2765"]
[Annotator "TA"]
[PlyCount "142"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,142,46,45,35,35,42,45,54,52,64,32,30,21,91,60,65,59,65,46,75,55,64,57,71,56,68,39,50,43,227,128,505,505,570,572,613,598,1028,976,1270,1280,1153,222,214,213,218,214,196,171,166,126,115,117,118,120,113,118,103,107,117,107,159,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. h3 e5 7. d5 a5 8. g4 Na6 9. Be3 Nc5 10. Nd2 c6 11. Be2 a4 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} 12. g5 Ne8 13. h4 Qa5 {White is slightly better.} 14. a3 f5 15. f3 Bd7 {[#]} 16. h5 $146 ({Predecessor:} 16. O-O Rf7 17. exf5 gxf5 18. Rc1 Nc7 19. Kh2 N7a6 20. f4 Raf8 21. Rg1 Qd8 22. Nf1 exf4 23. Bxf4 {0-1 (61) Rubio Mejia,L (2457)-Valles Moreno,I (2427) Madrid 2015}) 16... f4 (16... Nc7 $11 {keeps the balance.}) 17. Bf2 gxh5 18. Rxh5 Rf7 19. Qc2 Bf8 20. O-O-O Nc7 21. Kb1 Rg7 22. Rdh1 Be8 23. Rh6 Bg6 24. Qd1 cxd5 $2 ({Better is} 24... Be7 $14) 25. cxd5 (25. Nxd5 Nxd5 26. cxd5 b5 $11) ({White should play} 25. Bxc5 $18 {Hoping for Bb4.} Qxc5 26. cxd5) 25... b5 $2 {[%mdl 8192]} (25... Re8 $16 {is more resistant.} 26. Nc4 Qa7) 26. Bxc5 $1 $18 dxc5 {[#]} 27. d6 $1 {[%mdl 512]} Ne6 (27... Bxd6 28. Nc4) 28. Bxb5 Nd4 29. Nc4 {[%mdl 64] Double Attack} Qd8 30. Nxe5 {And now Bc4+ would win.} Nxb5 31. Qd5+ $2 (31. Nxb5 Raa7 32. Rxg6) 31... Bf7 32. Nxf7 {Ne5+ would kill now.} (32. Qxc5 Nxd6 33. g6 Bxg6 $11) 32... Nxc3+ 33. bxc3 {White wants to mate with Ne5+.} Qb6+ 34. Ka1 {Threatening mate with Ne5+.} Qb3 35. Ne5+ ({Inferior is} 35. Qxa8 Qxc3+ 36. Kb1 Qd3+ 37. Kc1 Qc3+ 38. Kb1 Qb3+ 39. Ka1 Qxa3+ 40. Kb1 Qb4+ 41. Kc1 Qa3+ 42. Kd2 (42. Kb1 Qb4+ 43. Kc1 Qc3+ 44. Kd1 Qxf3+ 45. Kd2 Qf2+ 46. Kc1 Qe3+ 47. Kb2 Qb3+ 48. Ka1 Qa3+ 49. Kb1 Qd3+ 50. Ka1 Rxf7 $11) 42... Qb2+ 43. Ke1 Qc1+ 44. Kf2 Qe3+ 45. Kg2 Qe2+ 46. Kg1 Rxf7 $11) 35... Qxd5 36. exd5 {g6 is the strong threat.} Rxg5 37. Re6 {Strongly threatening d7.} ({But not} 37. Rxh7 $2 Rxe5 38. Rh8+ Kg7 $19) 37... Bxd6 38. Ng4 ({Much weaker is} 38. Rxd6 $6 Rxe5 39. Rh4 Rb8 $11) 38... Bf8 39. Nf6+ {[%mdl 64] Double Attack} Kf7 40. Rxh7+ Bg7 {[#]} (40... Rg7 $142) 41. Rc6 $2 (41. Nh5 $1 $16) 41... Rb8 {The position is equal.} 42. Ng4 Kg8 43. Rh2 $1 Bxc3+ 44. Ka2 Rxd5 {aiming for ...Rd1.} 45. Nf6+ Bxf6 $1 46. Rxf6 $11 {[%mdl 4096] Endgame KRR-KRR} Rg5 47. Rxf4 Rf8 48. Rh8+ (48. Rxa4 {keeps more tension.} Rxf3 49. Re2 Kf7 50. Ra7+ Kg6 51. Ra6+) 48... Kxh8 49. Rxf8+ {KR-KR} Kg7 50. Rf4 Rg2+ 51. Kb1 Rf2 52. Rxa4 Rxf3 53. Kb2 Kf6 54. Rc4 Ke6 55. Rxc5 Kd6 56. Rc2 Rf5 57. Kb3 Rc5 58. Rh2 Kc6 59. Kb4 {White threatens Rh6+ and mate.} Rc1 60. Rh6+ Kb7 61. a4 Rg1 62. Rh7+ Ka6 63. Rh4 Rg2 64. Rh6+ Ka7 65. Rh5 Ka6 66. Rh6+ Ka7 67. a5 Rg4+ 68. Kb5 Rg5+ 69. Kb4 Rg4+ 70. Kb5 Rg5+ 71. Kb4 Rg4+ {Black defended with fortune. Accuracy: White = 82%, Black = 78%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "17"]
[White "Korobov, Anton"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "2667"]
[BlackElo "2724"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 28,78,33,28,57,44,49,43,47,53,112,99,107,91,158,64,84,14,13,11,8,6,12,12,31,14,8,0,19,18,177,179,179,0,0,0,0,0,0,0,0,-104,8,-11,-11,-212,29983,645,616,616,479,53,58]} 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8. e4 Bxf1 9. Kxf1 d6 10. g3 O-O 11. Kg2 Nbd7 12. h3 Qb6 13. Re1 Ne8 14. Re2 Nc7 15. Bg5 Rfe8 {A59: Benko/Volga Gambit: White castles by hand.} 16. Rc1 Nb5 17. Nxb5 Qxb5 18. b3 {[#]} e6 $146 ({Black should play} 18... h6 $14 19. Be3 Nf6) ({Predecessor:} 18... h6 19. Bf4 Reb8 20. Rcc2 Rc8 21. h4 Qb7 22. Nd2 Ne5 23. Bxe5 Bxe5 24. Nc4 Bd4 {1-0 (52) Barbot,P (2465)-Frantz,N (1920) Pau 2015}) 19. dxe6 $16 Rxe6 20. Bf4 Nf6 (20... Bf8 $142) 21. a4 (21. Ng5 $16 Ree8 22. Bxd6) 21... Qb7 $14 22. Ng5 (22. e5 $1 $16 {[%cal Re5f6]} Nd5 23. Rd2 Nxf4+ 24. gxf4) 22... Ree8 $11 23. Qxd6 h6 24. Nf3 {Hoping for e5.} Nxe4 25. Qd3 {next Qb5 is good for White.} Rad8 26. Qb5 Qa8 $1 27. Rce1 Re6 {Strongly threatening ...Nc3.} 28. Qc4 {[%cal Re2e4]} Bd4 $2 (28... Rde8 $11) 29. Bxh6 $18 Rde8 30. b4 $2 ({And not} 30. Nxd4 Nd6+ 31. f3 Nxc4 $11) (30. Qc2 $18) 30... g5 $11 31. bxc5 (31. b5 {keeps more tension.} Rxh6 32. Nxd4 cxd4 33. f3 Rc8 34. Qxd4 Nc5 35. b6) 31... Bxf2 $1 32. Rxf2 Nxf2 33. Rxe6 Rxe6 34. Bxg5 (34. Kxf2 $11 Rxh6 35. Qg4 (35. Nxg5 Rf6+ 36. Kg1 Qb8 $11)) 34... Nd1 (34... Nxh3 $1 $17 35. Bd2 Ng1 $1 {[%mdl 576] Pin} 36. Qg4+ Rg6) 35. Qg4 {White wants to mate with Bf6+.} Re2+ 36. Kg1 $2 (36. Kf1 $1 $11 Nf2 37. Qc4) 36... Kf8 $4 {[%mdl 8192]} (36... Nf2 $19 37. Qf5 {[#]} Nxh3+ $1 {[%mdl 512]} 38. Kh1 Qxa4 39. Qc8+ Re8) 37. Bh6+ (37. Qh4 $142 Rg2+ {[%mdl 64] Decoy} 38. Kxg2 Ne3+ 39. Kg1 f6 40. Qh8+ {[%mdl 64] Double Attack} Kf7 41. Qxf6+ Kg8 42. Qe6+ {[%mdl 64] Double Attack} Kg7 43. Bf6+ Kh6 44. Be5+ Kh5 45. g4+ Nxg4 46. hxg4#) 37... Ke7 $18 38. Qg5+ Kd7 39. Qf5+ $2 (39. Ne5+ $18 Rxe5 40. Qxe5) 39... Ke8 {[%mdl 32768] Accuracy: White = 49%, Black = 59%. . Sensor Board Error (Ke4/e5)?} 0-1

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "18"]
[White "Grischuk, Alexander"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2765"]
[BlackElo "2716"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,67,36,22,34,22,27,17,18,13,14,16,15,20,34,14,56,62,56,50,63,0,9,13,14,5,14,15,6,0,0,0,0,0,0,0,-2,0,0,-10,0,0,19,0,0,0,529,173,541,532]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Ne5 Ke7 10. Be2 Rd8 11. Nd2 Kf8 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 12. Nb3 Be7 13. Bd2 Nbd7 {The position is equal.} 14. Nc4 b6 {[#]} 15. Rfd1 $146 ({Predecessor:} 15. Bf3 Ra7 16. Nd4 Bb7 17. Rfd1 Bxf3 18. gxf3 Rc8 19. b3 Ne8 20. Be1 g6 21. f4 Nef6 22. Nf3 Rac7 23. Nfe5 Rb8 {½-½ (23) Wichmann,C (2360)-Donchenko,A (2476) Dresden 2013}) 15... Bb7 16. f3 Rac8 17. e4 a5 18. Be3 Ba6 19. Rac1 a4 20. Nbd2 (20. Nd4 $14) 20... Ne5 $36 {[%mdl 2048] [#] ...Bxc4 is the strong threat. Black is more active.} 21. Bxb6 Rxd2 $1 22. Nxd2 Rxc1 23. Rxc1 Bxe2 24. Rc8+ Ne8 25. Bc5 Bxc5+ 26. Rxc5 Nd3 27. Rb5 Nd6 28. Rb8+ Ke7 29. b3 axb3 30. Nxb3 Ne5 31. Nd4 Bc4 32. a4 Nd7 $2 {[%mdl 8192] [#]} (32... Kd7 $11) 33. Nc6+ $1 $18 Kf6 34. Rd8 {Accuracy: White = 95%, Black = 91%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "18"]
[White "Bu, Xiangzhi"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2760"]
[BlackElo "2690"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,49,25,12,61,75,190,201,212,208,222,221,220,114,273,272,283,152,225,216,278,205,359,352,318,294,582,594,910,908]} 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 5. O-O e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Ng5 Bxg2 11. Kxg2 O-O 12. Nce4 {Hoping for Nxf6+.} Ne8 {was the old line (12...Nc6). A30: Symmetrical English: Double Fianchetto and Hedgehog.} 13. Qd3 {[#] And now Nxh7! would win.} h6 $146 {[#]} (13... g6 $16) ({Predecessor:} 13... g6 14. Nf3 f5 15. Neg5 Qc8 16. Qe3 e5 17. Qb3 Bxg5 18. c5+ Kh8 19. Bxg5 bxc5 20. Be7 {1-0 (32) Bu,X (2670)-Papin,V (2570) Guimaraes 2012}) 14. Nh7 $1 $18 {[%mdl 512]} Nc6 {White is clearly better.} (14... Kxh7 15. Ng5+) 15. Nxf8 $40 {[%mdl 128] Black is in trouble.} Bxf8 16. Bf4 Ra7 17. Qf3 (17. Bxd6 Nxd6 18. Nxd6 Rd7 $16) ({Stronger than} 17. Nxd6 Nxd6 18. Bxd6 Rd7 $11) (17. f3 $18) 17... Qc7 $2 (17... g5 $16) 18. Rac1 {c5! is the strong threat.} f5 19. Nc3 (19. c5 $18 fxe4 20. Qxe4) 19... Qc8 (19... g5 $16 {was worth a try.}) 20. h4 Rd7 21. e4 {Threatens to win with exf5.} g6 $2 (21... Rf7 {was necessary.} 22. Kg1 Ne7) 22. exf5 gxf5 23. Qh5 Kh7 $2 {[#]} (23... Rf7 24. Bxh6 Ne5 25. Bxf8 Kxf8) 24. Nd5 $1 {[%mdl 512]} Rb7 {[#]} (24... exd5 25. Qxf5+) 25. Qxe8 $1 {[%mdl 576] Remove Defender. White took control after the opening. Accuracy: White = 65%, Black = 14%.} 1-0

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "18"]
[White "Xiong, Jeffery"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2724"]
[BlackElo "2887"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,140,6,0,7,13,13,14,45,14,18,4,15,6,0,8,2,9,5,-23,-12,-44,-35,-77,-26,-47,-10,-11,-10,-8,-5,-4,0,0,0,0,0,0,30,-25,-36,-22,7,13,10,0,0,0,0,5,24,37,36,43,34,41,34,35,246,243,209,70,110,110,117,120,113,115,115,112,150,140,168,182,159,174,167,159,171,15,66,0,184,184,184,184,180,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 g6 2. Nf3 d6 3. e4 Nf6 4. Bd3 Bg7 5. O-O O-O 6. c3 c5 7. dxc5 dxc5 8. Qe2 Nc6 {B07: Pirc Defence: Miscellaneous Systems.} 9. h3 Qc7 10. Re1 b6 {[#]} 11. Na3 $146 ({Predecessor:} 11. e5 Nd5 12. a3 e6 13. c4 Nde7 14. Nc3 Ba6 15. Bg5 Rad8 16. Rad1 h6 17. Bf6 {0-1 (51) Hasangatin,R (2502)-Morozevich,A (2665) Serpukhov 2018}) 11... Nd7 12. Nc4 Bb7 13. Bg5 b5 $36 {[%mdl 2048] Black is more active.} 14. Ne3 {Nd5 is the strong threat.} c4 15. Bc2 e6 16. Ng4 h5 17. Ngh2 b4 18. Qxc4 bxc3 (18... a5 $17 {Hoping for ...Ba6.} 19. cxb4 axb4) 19. bxc3 $11 Rac8 20. Rab1 Nce5 21. Qxc7 Rxc7 22. Be7 Rfc8 23. Bd6 Rxc3 24. Rxb7 Rxc2 25. Rxa7 Rc1 26. Ba3 (26. Kf1 $142) 26... Rxe1+ 27. Nxe1 Nc5 28. Bxc5 Rxc5 29. Ra8+ Kh7 {Strongly threatening ...Rc1.} 30. Nhf3 Rc1 {Threatens to win with ...Nxf3+.} 31. Kh2 Bf6 32. g3 Nxf3+ 33. Nxf3 $14 {[%mdl 4096] Endgame KRB-KRN} Rc2 34. Kg2 Kg7 35. Ra7 g5 $2 (35... Kf8 $14) 36. e5 $18 Bd8 37. Rd7 (37. Nd4 $18 Rc7 38. Rxc7 Bxc7 39. a4) 37... Bb6 38. Rd2 (38. Nxg5 Rxf2+ 39. Kh1 Kg6 $15) 38... Rc5 39. Nxg5 Rxe5 40. h4 $1 Kg6 41. Rd7 f6 42. Nh3 $1 Ra5 43. Nf4+ Kf5 44. Rd2 ({Weaker is} 44. Nxh5 Rxa2 45. Kh3 Bxf2 $11) 44... Bc7 45. Nxh5 Kg6 {[#]} 46. g4 $2 (46. Rd7 $1 $18) 46... f5 (46... Ra4 $11) 47. f3 ({White should try} 47. Ng3 $14) 47... fxg4 $2 (47... Ra4 $11) 48. fxg4 Ra4 49. Kf3 Ra3+ {[#]} 50. Ke2 $2 (50. Ke4 $1 $18) 50... Ra4 $1 $11 {The position is equal.} 51. Rd7 (51. Kf3 {is interesting.}) 51... Rxg4 52. Rxc7 Kxh5 {KR-KR} 53. Kd3 Ra4 54. Rc2 e5 55. Re2 Ra5 56. Kc4 Kxh4 57. Kb4 Rd5 58. Kc4 Ra5 59. Kb4 Ra8 60. a4 {[%cal Ba2a4,Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Re8 61. a5 e4 62. a6 Kg3 63. Kc5 Kf3 64. Ra2 e3 65. a7 e2 66. Ra1 Ra8 {And now ...Rxa7! would win.} 67. Kb6 Kf2 68. Kb7 Rxa7+ 69. Kxa7 e1=Q 70. Rxe1 Kxe1 {Accuracy: White = 80%, Black = 79%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "18"]
[White "Dubov, Daniil"]
[Black "Svidler, Peter"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2720"]
[BlackElo "2754"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,37,25,36,28,40,40,27,43,64,65,66,17,22,22,18,30,12,-33,-37,-42,-37,-53,-72,-83,-72,-79,-26,-56,-34,-33,-20,-26,0,-12,0,-8,0,0,0,-29,-8,-20,0,-5,0,0,0,0,0,0,0,0,0,0,0,-5,0,0,0,0]} 1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bc4 O-O 6. O-O Nc6 7. d5 {7.Re1 is a critical line.} Nb8 {B08: Pirc Defence: Classical System.} 8. Re1 c6 {[#]} 9. Bg5 $146 ({Predecessor:} 9. a4 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 12. Bf1 Rc8 13. a5 a6 14. Be3 e6 15. dxe6 fxe6 {½-½ (66) Roos,D (2420)-Polzin,R (2445) Germany 1997}) 9... b5 {White is slightly better.} 10. Bb3 b4 11. Na4 Bb7 12. e5 dxe5 $1 {[%cal Rc6d5]} 13. Nc5 Qb6 14. Nxb7 {And now Bxf6 would win.} Qxb7 15. Nxe5 {[#] Black must now prevent d6.} Nxd5 16. Nxc6 Nxc6 17. Qxd5 {Rxe7! is the strong threat.} e6 18. Qf3 Bxb2 19. Rad1 Qc7 ({Black should try} 19... Qb5 $17 20. Qf4 Bg7) 20. h4 Nd4 21. Qe4 Nxb3 (21... Nf5 {feels hotter.} 22. g4 Nd6 23. Qf4 Nb5 24. Qxb4 Nd4) 22. cxb3 Bc3 23. Re3 Rac8 24. Red3 Qc6 25. Qxc6 Rxc6 26. Rd6 Rxd6 27. Rxd6 $11 {[%mdl 4096] Endgame KRB-KRB. The position is equal.} h5 28. Be3 a5 29. Ra6 Rd8 30. Rxa5 Rd1+ 31. Kh2 f6 32. g3 e5 33. Kg2 Kf7 34. Rc5 Bd4 35. Bxd4 Rxd4 36. Ra5 {Accuracy: White = 81%, Black = 96%.} 1/2-1/2

[Event "FIDE Online Steinitz Memorial Open"]
[Site "Internet"]
[Date "2020.05.17"]
[Round "18"]
[White "Anton Guijarro, David"]
[Black "Korobov, Anton"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2590"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2020.05.15"]
[EventType "tourn"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,20,35,22,30,32,29,15,28,23,39,38,37,33,39,53,43,45,45,43,39,32,36,31,30,28,64,21,61,61,72,15,100,100,113,114,117,0,0,0,0,0,0,0,0,-8,16,21,72,66,77,82,189,188,383,370,494,402,408,395,469,440,486,478,547,442,804,796]} 1. Nf3 Nf6 2. c4 c6 3. Nc3 d5 4. e3 a6 5. d4 Bf5 6. Bd3 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4.} Bxd3 7. Qxd3 e6 8. O-O {White has an edge.} Bb4 9. a3 Ba5 10. b4 Bc7 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 {[#]} Nd7 $146 ({Predecessor:} 13... O-O 14. Bg5 Qd6 15. Rfe1 Nd7 16. Rad1 Rac8 17. g3 b5 18. Ne5 f6 19. c5 Qe7 20. Nxc6 {1-0 (45) Savina,A (2390)-Aranaz Murillo,A (2262) Linares 2013}) 14. Bg5 Nf6 15. Bxf6 Qxf6 16. d5 cxd5 17. cxd5 e5 18. Rae1 {[%cal Rf3e5]} O-O 19. Nxe5 Rad8 20. f4 (20. Nf3 $16) 20... Kh8 (20... Qd6 $11 {keeps the balance.}) 21. g3 $16 Rfe8 22. Kg2 Kg8 23. Re3 ({Better is} 23. Qd3 $16) 23... Qd6 $1 $11 {White must now prevent ...f6.} 24. Qf3 Qxd5 25. Qxd5 Rxd5 26. Rfe1 Rd2+ 27. Kh3 Re6 28. Nf3 $36 {[%mdl 2048] White is pushing.} Rdd6 (28... Rxe3 $11 29. Rxe3 Rd8) 29. Ng5 $16 Rxe3 30. Rxe3 $14 {[%cal Re3e8][%mdl 4096] Endgame KRB-KRN} Rd8 (30... Rh6+ $16 31. Kg4 Kf8) 31. Re7 $1 $18 {[%csl LRc7,LRf7][%mdl 64] [#] Double Attack} Bd6 $2 (31... Rc8) 32. Rxb7 Rf8 33. Rb6 Be7 34. Rxa6 h6 35. Nf3 {White is clearly winning.} Rd8 36. Ra7 Bf6 37. Ne5 g5 (37... Bxe5 $142 38. fxe5 Rb8) 38. Nxf7 {[%mdl 64] Double Attack. Accuracy: White = 85%, Black = 50%.} 1-0

