[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.10"]
[Round "1.1"]
[White "Xiong, Jeffery"]
[Black "Sethuraman, S.P."]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2712"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,55,0,7,-4,15,11,8,9,41,33,34,49,41,40,60,60,200,202,194,195,256,257,272,272,269,259,389,381,373,357,699,683,702,681,900,885,764,751,928,901]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 d5 7. exd5 cxd5 8. O-O Be7 9. c4 O-O 10. cxd5 {C45: Scotch Game} Bb7 11. Nc3 $146 (11. Bc4 Bxd5 12. Bxd5 Nxd5 13. Nd2 c6 14. Re1 Rb8 15. Ne4 f5 16. Ng3 f4 17. Ne4 f3 18. gxf3 {½-½ (54) Fedoseev,V (2707)-Jakovenko,D (2748) Satka 2018}) 11... Nxd5 12. Bd2 {The position is equal.} Nxc3 13. Bxc3 Bf6 14. Bxf6 Qxf6 15. Qc2 g6 16. Qxc7 Qxb2 (16... Bd5 $14) 17. Rab1 $18 Qd4 {[#] With the idea ...Bxg2.} 18. Rfd1 $1 ({Weaker is} 18. Rxb7 Qxd3 19. Rxa7 Qd5 $11) 18... Bd5 {[#]} (18... Bc8 {was worth a try.} 19. Bxg6 {[%mdl 64] Discovered Attack} Qg7) 19. Bxg6 $1 {[%mdl 576] Discovered Attack} Qc4 {[#]} (19... fxg6 20. Rxd4) 20. Bxh7+ $1 {[%mdl 512]} Kxh7 21. Qe5 Be6 (21... Qe4 $142 22. Qxd5 Qxd5 23. Rxd5 Rfd8) 22. Rd4 {And now Qh5+ would win.} Qc2 23. Re1 {Qf6 would kill now.} Kg6 $2 (23... Qf5) 24. h3 {White is clearly winning.} Rae8 25. Rh4 Bf5 26. Qg3+ Kf6 27. Qd6+ Be6 28. Re3 {Accuracy: White = 100%, Black = 22%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.10"]
[Round "1.2"]
[White "Sevian, Samuel"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "C80"]
[WhiteElo "2657"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,109,20,20,17,14,21,20,18,20,20,6,10,6,12,30,-19,-20,-14,-21,-27,-36,-28,23,0,0,-20,-17,-39,-41,-45,-17,-56,-56,-73,-64,-84,-79,-65,-65,-65,-65,-66,-65,-74,-69,-65,-70,-81,-64,-97,-99,-104,-104,-100,-104,-143,-143,-143,-143,-143,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd2 {[%cal Bb1d2,Bd2b3,Bb3d4][%mdl 32]} Be7 10. c3 O-O 11. Bc2 f5 12. Nb3 Qd7 13. Nfd4 Nxd4 14. Nxd4 c5 15. Ne2 {C83: Open Ruy Lopez: 9 c3 Be7} Rad8 16. f3 Ng5 17. Be3 d4 18. cxd4 Bc4 (18... cxd4 19. Nxd4 Bc5 20. Bxg5 Bxd4+ 21. Kh1 Rde8 22. Bb3 Bxb3 23. Qxb3+ {1-0 (46) Svidler,P (2739)-Vitiugov,N (2734) Moscow 2019}) 19. Bb3 Ne6 $1 {[%cal Rc5d4]} 20. Bxc4 bxc4 21. d5 $146 ({Predecessor:} 21. dxc5 Qd3 22. Bf2 Bxc5 {½-½ (30) Weldon,D (2365)-Schwarz,J (2345) ICCF email 2016}) 21... Qxd5 22. Qxd5 Rxd5 23. f4 Rd3 24. Kf2 g5 (24... Rb8 $142) 25. Rfc1 Rb8 {[#] aiming for ...gxf4.} 26. Rab1 Rb4 27. g3 Kf7 28. Rc3 gxf4 29. gxf4 Bh4+ 30. Kf1 a5 31. b3 a4 {And now ...Rxc3 would win.} 32. Rxd3 cxd3 33. Nc3 $1 axb3 34. Rxb3 Nxf4 35. Bxc5 Rxb3 36. axb3 $15 {[%mdl 4096] Endgame KBN-KBN} Ke6 37. b4 Nd5 38. Nd1 Kxe5 39. b5 Bd8 40. Nf2 d2 41. Ke2 Nc3+ 42. Kxd2 Nxb5 43. Ke2 f4 (43... Bh4 $17 {White should prevent ...Bxf2.} 44. Kf3 Kd5) 44. Kf3 $11 {The position is equal.} Kf5 45. Nd3 Bc7 46. Nb4 Be5 47. Nc6 Bf6 48. Be7 Bd4 49. Bd6 Be3 50. Be5 Na3 51. Bxf4 Bxf4 52. Nd4+ $1 Ke5 53. Nc6+ Kd6 54. Kxf4 Kxc6 55. Kg5 {Accuracy: White = 80%, Black = 72%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.10"]
[Round "1.3"]
[White "Gabuzyan, Hovhannes"]
[Black "Akobian, Varuzhan"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2616"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,55,-19,-8,-28,-23,-26,-31,-26,0,-12,-6,-13,-13,-33,0,0,0,0,0,0,13,21,15,2,0,0,0,0,0,0,54,18,108,109,344,340,319,321,785,795,29985,29986,29986,29987,29997,29998]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be7 5. d3 c5 6. Nbd2 Nc6 7. Re1 {A08: King's Indian Attack} (7. e4 O-O 8. Re1 Qc7 9. c3 b6 10. Qe2 Bb7 11. e5 Nd7 12. Nf1 b5 13. Bf4 b4 14. c4 dxc4 15. dxc4 Rfd8 16. h4 Nd4 17. Nxd4 cxd4 18. Bxb7 Qxb7 19. Nd2 Nc5 {½-½ (32) Hillarp Persson,T (2563)-Nisipeanu,L (2667) Malmo 2019}) 7... e5 8. e4 {Black must now prevent exd5.} d4 9. Nc4 {Black is slightly better.} Nd7 10. a4 O-O 11. Bh3 Qc7 12. a5 Nf6 $146 ({Predecessor:} 12... Rb8 13. c3 b5 14. axb6 axb6 15. cxd4 cxd4 16. Bd2 b5 17. Na5 Nxa5 18. Bxa5 {½-½ (38) Kolev,V (1933)-Videnov,I (2072) Sofia 2010}) 13. Bf5 g6 14. Bxc8 Rfxc8 15. c3 b5 16. axb6 $1 axb6 17. Rxa8 Rxa8 18. Qb3 Nd7 19. Bh6 Qa7 20. cxd4 cxd4 ({Black should try} 20... Nxd4 $11 21. Nxd4 exd4) 21. Rc1 Bc5 {[#]} (21... Qb7 $1 $11) 22. Nxb6 $1 $40 {[%mdl 640] White attacks with force.} Rb8 $2 (22... Qxb6 $16 23. Qxb6 Bxb6 24. Rxc6 f6) 23. Ng5 Nd8 {[#]} 24. Qd5 $1 {[%csl LRc5,LRd7]} Bxb6 $2 {[#]} (24... Rxb6 25. Rxc5 {[%mdl 64] Pin} Qb7) 25. Qd6 $1 $18 {[%cal Rd6e7] Hoping for Qe7.} Bc5 {[#]} 26. Rxc5 $1 {[%mdl 576] Deflection. White mates.} Qxc5 27. Qxd7 Qb5 28. Qe7 {Accuracy: White = 67%, Black = 31%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.10"]
[Round "1.4"]
[White "Naroditsky, Daniel"]
[Black "Erdos, Viktor"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2613"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,68,0,0,0,0,-3,-1,-13,0,8,9,0,8,12,19,-23,-28,-29,-31,-33,-31,-37,-15,-50,-47,-43,-41,-55,-54,-54,-58,-70,-41,-42,-42,-42,-33,-33,0,-71,-26,-50,-25,-25,-19,-19,-19,-22,-18,-18,-18,-18,-18,-18,0,-18,0,-16,0,-16,0]} 1. d4 d5 2. Bf4 c5 3. e3 cxd4 4. exd4 Nc6 5. c3 Bf5 (5... Nf6 6. Nd2 Bg4 7. Qb3 Qc8 8. Ngf3 e6 9. Bd3 Bh5 10. O-O Bg6 11. Bxg6 hxg6 12. Rae1 Be7 13. g3 O-O 14. Ne5 Nxe5 15. dxe5 Nd7 16. h4 Nc5 17. Qc2 Qc6 18. Re3 Qa6 19. Qb1 Rac8 20. Kg2 b5 {0-1 (50) Duda,J (2738)-Van Foreest,J (2612) Wijk aan Zee 2019}) 6. Nd2 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} e6 7. Qb3 Qd7 8. Ngf3 f6 9. h4 h5 10. Be2 Nh6 11. Nf1 $146 ({Predecessor:} 11. Rd1 a6 12. Qb6 Be7 13. Qc7 {0-1 (39) Al Thebaiti,A (1976)-Salgado Lopez,I (2629) St Petersburg 2018}) 11... Ng4 12. Ne3 Nxe3 13. fxe3 Bd6 14. O-O Bxf4 15. exf4 O-O-O 16. Qd1 Qd6 17. Qd2 Ne7 {[%cal Bc6e7,Be7f5,Bf5g3][%mdl 32]} 18. Bd3 Bxd3 19. Qxd3 Nf5 ({Reject} 19... Qxf4 20. Ng5 $14) 20. Rae1 Rhe8 ({But not} 20... Qxf4 $6 21. Rxe6 Ng3 22. Rfe1 $14) 21. Rf2 Re7 22. Qd2 Ng3 23. Qe3 Nf5 24. Qd2 Qd7 25. Qd3 Rde8 26. Kh2 Qd6 27. g3 {The position is equal.} Kb8 28. Kg2 g6 29. Rfe2 Rg8 30. Kh3 Qd7 31. Kg2 Qd6 32. Kh3 Qd7 33. Kg2 Nd6 34. b3 Ne4 {Accuracy: White = 64%, Black = 49%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.10"]
[Round "1.5"]
[White "Sarana, Alexey"]
[Black "Jumabayev, Rinat"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2664"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,75,6,5,19,11,12,11,9,18,17,6,10,9,9,9,34,33,0,0,-27,-24,-54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 ({Predecessor:} 2. c4 c6 3. e3 Nf6 4. Nf3 a6 {0-1 (26) Roghani,A (2366)-Ahmadinia,E (2361) Mashhad 2013}) 2... Nf6 3. c4 c6 4. Nc3 a6 5. e3 b5 6. b3 Bg4 7. h3 Bxf3 8. Qxf3 e5 9. dxe5 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} Bb4 10. Bd2 Bxc3 $1 11. Bxc3 Ne4 12. Bb4 $1 {[#] Hoping for Qg4.} bxc4 $1 13. Qg4 c5 $132 {[%mdl 2048] Black has counterplay} 14. f3 $1 ({Much worse is} 14. Qxg7 Rf8 $17) 14... Nc6 $146 {[%cal Bb8c6,Bc6b4,Bb4c2][%mdl 32]} (14... cxb4 15. fxe4 O-O 16. exd5 cxb3 17. axb3 Qxd5 {½-½ (46) Vocaturo,D (2588)-Bologan,V (2630) Reykjavik 2015}) 15. fxe4 Nxb4 16. exd5 Qxd5 17. Bxc4 Nc2+ {[%mdl 64] [#] Double Attack} 18. Kf2 $1 Qxe5 (18... Qd2+ $15 19. Qe2 Qxe2+ 20. Kxe2 Nxa1 21. Rxa1 Ke7) 19. Qf3 $11 {[%mdl 64] Double Attack. The position is equal.} O-O 20. Rad1 Rae8 {[%cal Ba8e8,Be8e6,Be6f6][%mdl 32] Black wants to play ...Re6!} 21. Rd2 Na3 22. Rc1 (22. Bxa6 $2 Re6 $19) 22... Re6 {White must now prevent ...Rf6.} 23. Kg1 Rf6 24. Qe2 Nxc4 25. Rxc4 Re8 26. Rdc2 Qxe3+ 27. Qxe3 Rxe3 28. Rxc5 {[%mdl 4096] Endgame Threatening mate with Rc8+. KRR-KRR} g6 29. Rc6 Re1+ 30. Kh2 Rxc6 31. Rxc6 {KR-KR} a5 $1 32. Rb6 a4 33. bxa4 Re2 34. a5 Rxa2 35. a6 Kg7 36. Kg3 h5 37. h4 Ra4 38. Rc6 {Accuracy: White = 72%, Black = 96%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.11"]
[Round "2.1"]
[White "Sethuraman, S.P."]
[Black "Jumabayev, Rinat"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2634"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,100,10,12,16,27,22,18,18,17,20,29,8,17,8,17,0,19,7,18,5,6,-26,0,0,0,-81,-90,-132,-143,-173,-192,-185,-190,-175,-187,-187,-187,-172,-138,-125,-125,-152,-152,-147,-145,-157,-157,-170,-100,-162,-161,-160,-88,-156,-162,-212,-128,-271,-264,-249,-225,-233,-247,-231,-153,-196,-121,-122,-124,-161,-173,-176,-174,-259,-245,-366,-370,-427,-425,-652,-625,-683,-693,-691,-672,-822,-805,-773,-752,-702,-679]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 8. Re1 O-O 9. h3 {The position is equal.} Be6 (9... h6 10. Nbd2 Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Nf1 Qd7 14. Be3 Bxe3 15. Nxe3 d5 {1-0 (53) Vachier Lagrave,M (2774)-Aronian,L (2758) Khanty-Mansiysk 2019}) 10. Bxe6 fxe6 11. b4 Nh5 12. Be3 Nf4 $146 ({Predecessor:} 12... Qf6 13. Kh2 Nf4 14. Bxa7 Rxa7 {0-1 (62) Illingworth,M (2506)-Sangma,R (2325) Abu Dhabi 2017}) 13. b5 Ne7 14. Kh2 Neg6 15. bxa6 bxa6 16. d4 Nh4 17. Nxh4 $1 Qxh4 18. Nd2 (18. Ra2 $1 $11) 18... Nd3 $1 $36 {[%mdl 2048] Black is really pushing.} ({But not} 18... exd4 $6 19. Nf3 $15) 19. Qb3 Nxe1 20. Qxe6+ Kh8 21. Rxe1 exd4 $1 22. cxd4 {[#]} Bxd4 $1 {[%mdl 512]} 23. Nf3 {[#]} (23. Bxd4 Qf4+) 23... Rxf3 $1 {[%mdl 512]} 24. Bxd4 (24. gxf3 Bxe3) 24... Rff8 {And now ...Qf4+ would win.} 25. Qd7 {[%csl Gd4][%cal Rd7g7]} Qf4+ $1 26. Kg1 {[%csl Gd4][%cal Rd7g7]} Qf7 27. Qc6 Rab8 $1 28. Rc1 Rb4 29. Be3 Re8 (29... a5 $1 $19 30. f3 Qa2) 30. a5 (30. Qxa6 $17 {keeps fighting.} Rbxe4 31. a5) 30... Rbxe4 $19 ({Don't do} 30... Rexe4 31. Qxa6 h6 32. Qc8+ Re8 33. Rxc7 $15) 31. Qxc7 Qe6 ({Black should play} 31... Qxc7 32. Rxc7 d5) 32. Qb6 (32. Rd1 $142) 32... d5 $17 33. Qxe6 R8xe6 $19 {[%mdl 4096] Endgame KRR-KRB} 34. Kh2 (34. Rc5 $17) 34... Rc4 35. Rb1 {Rb8+ would kill now.} Kg8 36. Rb8+ Kf7 37. Rd8 Rce4 38. Bb6 R4e5 (38... R6e5 $19 39. g4 Ra4 40. Rd7+ Ke6 41. Rxg7 d4) 39. g4 $17 Re8 {aiming for ...Rxd8.} 40. Rd7+ R8e7 41. Rd6 {[#]} Rb7 $1 42. Rd8 (42. f4 {is a better defense.} Re2+ 43. Kg3) 42... Ke7 $19 43. Rh8 (43. Rg8 {was worth a try.} Kd6 44. Ra8) 43... Re4 44. Rxh7 Kf7 {Black is clearly winning.} 45. Kg3 (45. f3 $142 Rc4 46. Rh5) 45... d4 46. Kf3 {[#]} d3 $1 47. Be3 Rbe7 {Strongly threatening ...Rxe3+!} 48. Bd2 Re2 49. Bc3 Kg8 50. Rh5 Rd7 {Accuracy: White = 41%, Black = 79%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.11"]
[Round "2.2"]
[White "Erdos, Viktor"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2613"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,104,0,0,-14,-13,-13,0,0,-7,-4,-19,-75,-36,-63,-56,-123,-110,-123,-139,-141,-155,-156,-15,-20,-19,-98,-102,-102,-63,-118,-112,-108,-62,-89,-58,-81,-13,-11,-10,-10,-9,-17,-14,-10,-6,-12,-14,-6,-15,-4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 dxc4 5. Qa4+ c6 6. Qxc4 b5 7. Qd3 a6 8. Bg5 {D43: Semi-Slav: 5 Bg5 h6} (8. e4 c5 9. dxc5 Bxc5 10. e5 Nfd7 11. Qe4 Qb6 12. Qh4 Nc6 13. Bf4 Nd4 14. Nxd4 Bxd4 15. Qg3 Bb7 {0-1 (61) Moiseenko,A (2628)-Shirov,A (2658) Riga 2019}) 8... Bb7 9. e4 h6 10. Bxf6 Qxf6 11. e5 $146 ({Predecessor:} 11. Be2 Nd7 12. O-O c5 13. d5 c4 14. Qd2 Bb4 15. Rad1 exd5 {0-1 (42) Inkiov,V (2510)-Godard,M (2260) Agneaux 1997}) 11... Qd8 12. Qe4 (12. Qe3 $11 {keeps the balance.}) 12... Qb6 13. O-O-O Nd7 14. Kb1 (14. Qg4 $15) 14... Bb4 $17 15. Rc1 c5 16. Qg4 cxd4 17. Ne4 {[#]} Bxe4+ (17... Be7 $1 $17 {Hoping for ...Bd5.} 18. Bd3 O-O) 18. Qxe4 $11 {[%mdl 64] Double Attack} Rd8 19. Bd3 (19. Nxd4 $11 {remains equal.} Be7 20. Nc6) 19... Nc5 $17 20. Qe2 O-O 21. g4 (21. Rxc5 $15 Qxc5 22. Qe4) 21... Nxd3 22. Qxd3 Be7 23. h4 Rc8 24. Rcd1 $1 Qc7 {[#]} ({Better is} 24... Qc6 $17) 25. Ng5 $1 $11 {[%mdl 512] The position is equal.} Bxg5 26. hxg5 Qxe5 27. gxh6 g5 28. Qxd4 Qxd4 29. Rxd4 {[%mdl 4096] Endgame KRR-KRR} Rfd8 30. Rhd1 Rxd4 31. Rxd4 {KR-KR} Rc7 32. f4 Rc5 33. b4 Rc8 34. fxg5 Kh7 35. Rf4 Kg6 36. Rf6+ Kxg5 37. Rxf7 Kxh6 38. Rf6+ Kg5 39. Rxe6 Ra8 40. Re4 Rf8 41. Rd4 Rf1+ 42. Kc2 Rf2+ 43. Rd2 Rf4 44. a3 Rxg4 45. Rd6 Rg2+ 46. Kc1 Rg1+ 47. Kc2 Rg2+ 48. Kd1 Kf4 49. Rxa6 Ke4 50. Rc6 Ra2 51. Rc3 Kd4 52. Rh3 Kc4 {Accuracy: White = 45%, Black = 74%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.11"]
[Round "2.3"]
[White "Akobian, Varuzhan"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "2627"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "150"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,150,29,31,23,14,0,0,0,0,0,0,0,0,-4,0,-7,-8,-18,-20,-23,-11,-43,0,0,0,0,0,0,0,0,0,-4,-3,-13,0,0,0,0,0,-2,0,0,0,0,0,0,0,0,0,0,0,0,89,113,127,138,99,16,35,0,22,0,7,0,69,68,69,59,58,65,217,41,27,31,41,44,37,15,22,8,8,0,0,0,4,0,0,0,0,0,8,0,0,0,0,-2,-2,-181,-108,-100,-65,-93,-91,-116,-88,-106,-106,-172,-86,-84,-85,-85,-85,-354,-352,-350,-349,-29959,-29961,-29959,-29960,-29960,-29960,-29959,-29959,-29951,-29956,-29969,-29970,-29970,-29971,-29971,-29972,-29970,-29971,-29969,-29967,-5447,-4617]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be3 Na6 7. Nf3 e5 8. dxe5 {E90: King's Indian: Classical: Early deviations and 6 h3} (8. d5 Nc5 9. Nd2 a5 10. a3 Nfd7 11. g4 a4 12. h4 Nb6 13. Be2 Bd7 14. Qc2 c6 15. O-O-O cxd5 16. cxd5 Rc8 17. Kb1 f5 18. f3 fxg4 19. fxg4 {1-0 (56) Sarana,A (2618)-Pridorozhni,A (2567) Khanty-Mansiysk 2018}) 8... dxe5 9. Qxd8 (9. Be2 {is more complex.} Qe7 10. O-O c6 11. Qc2 Nh5 12. Rad1) 9... Rxd8 10. a3 {The position is equal.} c6 11. Be2 Nh5 12. g3 Nc7 {[%cal Ba6c7,Bc7e6,Be6d4][%mdl 32]} 13. Kf1 Ne6 14. Kg2 Nd4 15. Rhd1 $146 ({Predecessor:} 15. Bd1 Be6 {0-1 (46) Riff,V (2275)-Weindl,A (2376) Switzerland 2011}) 15... Be6 16. Ng5 Bd7 17. Rac1 h6 18. Nf3 Be6 19. Bxd4 exd4 20. Na4 {[%cal Bc3a4,Ba4b2,Bb2d3][%mdl 32]} b6 21. b4 {[#]} c5 $1 {[%mdl 512]} 22. bxc5 Bd7 23. Nb2 bxc5 24. Nd3 Bf8 25. Nd2 Ng7 26. f4 Rab8 {[%cal Ba8b8,Bb8b6,Bb6a6][%mdl 32]} 27. Bf3 Rb6 28. g4 Ra6 29. Ra1 Ba4 30. Rdc1 Rb8 31. e5 Be7 32. Bd5 Bd7 (32... Ra5 $11) 33. Ne4 $36 {[%mdl 2048] White is on the roll.} Ra5 34. Rcb1 $1 {[%cal Rb1b8]} Rb6 35. Kf3 ({White should try} 35. Rxb6 $16 axb6 36. Nd6) 35... Kf8 36. Ke2 h5 37. Kf3 Rxb1 38. Rxb1 Rxa3 (38... hxg4+ $11 39. hxg4 Rxa3 40. Rb8+ Ne8) 39. Rb8+ $14 Ne8 40. Ke2 hxg4 41. Ndxc5 Ra2+ $2 (41... Bxc5 $14 42. Nxc5 Bf5) 42. Kd1 $2 ({White has to play} 42. Ke1 $1 $18 Bf5 43. hxg4 Bxg4 44. Nf6 $1 {[%mdl 512]} Bxf6 45. exf6) 42... Bxc5 43. Nxc5 Bf5 44. hxg4 Bxg4+ 45. Ke1 Bf5 46. Ne4 {And now Bc6 would win.} Ke7 47. Rb7+ Kd8 48. Rb8+ Ke7 49. Rb7+ Kd8 50. c5 Rc2 51. Rb8+ Ke7 $1 52. Rb7+ Kd8 53. c6 {Nd6 is the strong threat.} d3 54. Ng5 Bg4 {( -> ...d2+)} 55. Ne4 $2 {[#]} (55. Bf3 $11 {and White is okay.} Bxf3 56. Nxf3) 55... Re2+ ({Better is} 55... Nc7 $1 $19 56. Rb8+ Ke7) 56. Kf1 $17 Bh3+ 57. Kg1 d2 58. Nxd2 {Hoping for Ne4.} Rxd2 59. Bxf7 Nc7 {Threatens to win with ...Rg2+.} 60. Rxa7 {[#]} (60. Rb3 $17 Rd1+ 61. Kh2) 60... Rc2 (60... Bf5 $1 $19 {White must now prevent ...Rd4.} 61. Rb7 Kc8) 61. Ra3 Bf5 {aiming for ...Ne6.} 62. Rg3 Rxc6 {Strongly threatening ...Ke7.} 63. Kf2 $2 {[%mdl 8192]} (63. e6 $17) 63... Ke7 $19 64. Bb3 Ne6 65. Bxe6 $2 {[%mdl 4096] Endgame KRB-KRB} (65. Rf3 $19) 65... Rc2+ 66. Ke3 Kxe6 {KRB-KR} 67. Rg1 Rc3+ 68. Ke2 Kd5 69. Ra1 Rd3 70. Ra6 Ke4 71. e6 Re3+ 72. Kf2 Kxf4 73. Ra4+ Re4 74. e7 Bd7 75. Ra6 Kf5 {Accuracy: White = 53%, Black = 66%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.11"]
[Round "2.4"]
[White "Oparin, Grigoriy"]
[Black "Gabuzyan, Hovhannes"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2657"]
[BlackElo "2616"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,83,24,34,25,27,20,8,22,22,21,27,22,21,8,4,14,24,28,15,20,5,14,14,14,0,6,0,53,68,225,210,191,163,164,154,177,161,151,184,338,133,135,85,207,204,237,233,219,220,230,217,379,441,454,466,381,72,520,499,520,520,1042,1033,1589,1237,1164,1035,29980,1347,1226,1112,4132,1768,2341,1833]} 1. d4 Nf6 ({Predecessor:} 1... f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 Ne4 7. Qc2 {½-½ (38) Standke,W (2513)-Shablinsky,M (2414) ICCF email 2012}) 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Ne4 $146 {E60: King's Indian: Unusual lines and Fianchetto Variation without Nc3} (6... Nbd7 7. Nc3 e5 8. Qc2 exd4 9. Nxd4 Re8 10. Rd1 a6 11. b3 Rb8 12. Bb2 Ne5 13. c5 d5 14. h3 Nc6 15. Nxc6 bxc6 16. e4 Be6 17. exd5 cxd5 18. Qd2 Qe7 19. Rac1 Rbd8 {0-1 (64) Vachier Lagrave,M (2775)-Mamedyarov,S (2765) Riga 2019}) 7. Qc2 f5 8. Nbd2 Nxd2 {The position is equal.} 9. Bxd2 e5 10. dxe5 dxe5 11. Bb4 {White wants to play Rad1.} Re8 $1 12. Rad1 Qf6 13. Bc3 {Strongly threatening Nxe5.} Qe7 14. e4 f4 15. gxf4 exf4 16. e5 $36 {[%mdl 2048] White has some pressure.} Nc6 17. Rfe1 Be6 18. h4 Rf8 (18... Bxc4 19. e6 $14) (18... Bh6 $11) 19. Ng5 $14 Bg4 $2 (19... f3 $14 20. Bxf3 Bh6 21. Bxc6 bxc6) 20. Bd5+ $18 Kh8 21. f3 Bf5 22. Qb3 $1 {[%cal Rb3b7]} h6 23. Qxb7 {Hoping for Nf7+!} Rab8 24. Qxc6 ({Don't take} 24. Nf7+ $6 Rxf7 25. Qxc6 Qxh4 $14) 24... Rb6 $2 (24... hxg5 25. Bd4 gxh4) 25. Qa4 $2 (25. Qf6 $1 $18 {[%cal Rf6e7] and the rest is easy.} Rbxf6 26. exf6 {[%mdl 64] Discovered Attack} Qc5+ 27. Bd4 Qxd4+ {[%mdl 64] Remove Defender, Decoy} 28. Rxd4 Bxf6 29. Rd2 hxg5 30. hxg5 Bxg5 31. Be4) 25... hxg5 $16 26. Qa3 Qxa3 (26... c5 $16 {keeps fighting.}) 27. bxa3 $18 gxh4 {[#]} 28. Ba5 $1 Ra6 29. Bxc7 {Threatens to win with e6.} Re8 30. Bd6 Bf8 $2 (30... Be6 31. Kh2 Kh7 32. Bxe6 Rxe6) 31. Bxf8 Rxf8 32. e6 Re8 {[%cal Rf5e6]} 33. e7 $2 (33. c5 $18 {is the precise move to win.}) 33... Kg7 $2 {[%mdl 8192]} (33... Rd6 $16 {is more resistant.}) 34. c5 Kf6 35. Bc4 Rxa3 (35... Rc6 $142 36. Bb5 {[%mdl 64] Skewer} Rcc8 37. Bxe8 Rxe8) 36. Rd6+ Kg5 37. Bf7 Rxe7 38. Rxe7 {Threatening mate with Re5!} Rc3 {[#]} 39. Bxg6 (39. Re5 $142 $1 Rc1+ 40. Kf2 Rc2+ 41. Kf1 Rc1+ 42. Ke2 Rc2+ 43. Kd1 Kh6 44. Rxf5) 39... Rc1+ {White is clearly winning.} 40. Kf2 {Be8 would kill now.} Bxg6 41. Re5+ {Played: Re7-g7} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.11"]
[Round "2.5"]
[White "Xiong, Jeffery"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2712"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,48,-12,-14,-11,-10,-20,-17,0,-23,-21,-3,-28,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Ba6 9. b3 g6 10. Ba3 {C45: Scotch Game} (10. g3 Bg7 11. Bb2 O-O 12. Bg2 Rae8 13. O-O Bxe5 14. Qxe5 Qxe5 15. Bxe5 Rxe5 16. cxd5 Bxf1 17. Kxf1 cxd5 18. Nc3 c6 19. Rd1 Rfe8 20. Bf3 Kf8 21. Ne2 {½-½ (41) Aronian,L (2765)-Amin,B (2709) Germany 2019}) 10... Nb4 11. Bb2 $1 Bg7 12. a3 Nd5 $1 13. Nd2 {[%cal Bb1d2,Bd2e4,Be4f6][%mdl 32]} O-O 14. O-O-O Rfe8 15. Qf3 {The position is equal.} Nb6 16. Ne4 Bxe5 17. Bxe5 Qxe5 18. Nf6+ {[%mdl 64] [#] Double Attack} Kf8 19. Nxe8 Qa1+ {[%mdl 64] Double Attack} 20. Kc2 Qa2+ 21. Kc1 $1 {And now Qc3 would win.} Qa1+ 22. Kc2 Qa2+ 23. Kc1 $1 {[#] Hoping for Qc3.} Qa1+ {[#]} 24. Kc2 $146 Qa2+ 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.12"]
[Round "3.1"]
[White "Sevian, Samuel"]
[Black "Sethuraman, S.P."]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2657"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,109,4,0,0,0,9,5,0,7,0,0,0,5,12,14,0,0,14,35,15,14,12,11,54,50,91,91,84,80,72,72,72,70,87,70,74,78,79,32,22,37,73,64,65,62,62,62,98,97,101,100,120,122,124,105,96,102,121,106,129,129,125,129,120,125,126,129,117,120,125,91,92,82,391,388,278,173,183,173,596,563,574,555,504,353,488,489,497,462,5144,5073,4718,4810,4802,4709,5297,4798,29977,29978,29980,29981]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 Bb4 5. Bg2 O-O 6. Nd5 e4 {...Nxd5 is the strong threat. A29: English Opening: Four Knights Variation with 4 g3} 7. Nh4 d6 {Threatens to win with ...g5.} 8. Nxb4 (8. b3 g5 9. Bb2 Nxd5 10. cxd5 Nb8 11. Qc2 gxh4 12. Bxe4 Re8 13. Bxh7+ Kf8 {1-0 (30) Giri,A (2764)-Aronian,L (2780) Leuven 2017}) 8... Nxb4 {The position is equal.} 9. a3 Nc6 10. d3 exd3 11. Qxd3 Be6 12. b3 d5 13. c5 $146 ({Predecessor:} 13. O-O dxc4 14. bxc4 Qe7 {½-½ (41) Dabija,M (2385)-Boeken,M (2380) ICCF email 2009}) 13... d4 14. Bxc6 bxc6 15. Bb2 Qd5 16. O-O Rad8 17. b4 Rfe8 18. Rfd1 Qb3 19. Bxd4 Bc4 20. Qxb3 Bxb3 21. Rd2 Ne4 22. Rb2 $1 Rxd4 23. Rxb3 Nd2 24. Rd3 (24. Re3 {is interesting.} Rxe3 25. fxe3 Rd5 26. Kg2 Kf8 27. Rc1) 24... Rxd3 25. exd3 $14 {[%mdl 4096] Endgame KRN-KRN} Nb3 26. Rb1 Nd4 27. Kg2 $1 Rd8 28. Kf1 Nb5 29. a4 Nd4 30. Rc1 a5 31. bxa5 Nb3 32. Rc3 Nxa5 33. Nf3 f6 34. Nd2 Kf7 35. Nb3 Ra8 36. Nxa5 Rxa5 $16 {KR-KR} 37. Rc4 Ke6 38. Ke2 Kd5 39. Kd2 Ra8 40. Kc3 g5 41. g4 Re8 $2 {[%mdl 8192]} (41... Ra5 $16 {is a better chance.}) 42. a5 $1 $18 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32]} Ra8 43. Kb4 Rb8+ 44. Ka3 Rb1 $2 (44... Ra8) 45. Ra4 $1 Kxc5 {[#]} 46. a6 $1 {[%cal Ra6a7] Black must now prevent a7.} Rb8 47. d4+ Kd5 48. a7 Ra8 {intending ...c5.} 49. Kb4 Kxd4 {[#]} (49... h6 $142 50. f3 c5+ 51. dxc5 Kc6 52. Ra6+ Kb7 53. Rxf6 Rh8) 50. Ka5+ $1 Kd3 51. Ka6 Ke2 52. Rc4 {Played: Ka6-b7} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.12"]
[Round "3.2"]
[White "Gabuzyan, Hovhannes"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "C45"]
[WhiteElo "2616"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,86,-13,20,0,2,0,21,17,50,45,56,38,46,33,37,35,54,52,58,57,67,47,35,19,17,0,0,0,0,0,0,0,0,0,13,0,30,0,32,31,39,33,49,41,48,16,23,0,0,0,115,101,95,89,97,0,83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Nge7 (6... Nf6 {with more complications.} 7. Bd3 O-O 8. O-O Re8 9. Bg5 h6) 7. Qe2 {C45: Scotch Game} (7. Bg5 f6 8. Bh4 a5 9. Bb5 Ne5 10. f4 N5g6 11. Bg3 c6 12. Bc4 Bc7 13. Qf3 b5 14. Bd3 a4 {1-0 (37) Amin,B (2709)-Grandelius,N (2694) Astana 2019}) 7... O-O 8. Be3 f5 9. O-O-O f4 10. Bxb6 axb6 11. f3 d6 $146 ({Predecessor:} 11... Ne5 12. Nd4 d6 13. Kb1 Bd7 {1-0 (41) Burri,Q (2052)-Guerin,J (1634) Colmar 2013}) 12. a3 Be6 13. Qd2 Bxb3 14. cxb3 Ne5 15. Kb1 Rf6 16. Bc4+ Kh8 17. Rhe1 c6 18. Bf1 b5 19. Ne2 Qf8 20. Nd4 Qf7 21. Qc3 Qg6 22. Nc2 Qh5 23. h3 Nf7 24. Rd4 Qh4 25. Red1 h6 26. a4 c5 27. R4d2 b4 28. Qc4 {White wants to play Qb5.} Ra5 29. e5 Nxe5 30. Qe4 N7c6 (30... Nf5 $1 $11) 31. Rxd6 Rxd6 32. Rxd6 Ra8 33. Re6 (33. Bb5 $16) 33... Qf2 {[#]} (33... Qd8 $1 $11 {remains equal.} 34. Ka2 Qd1) 34. Ba6 ({Better is} 34. Be2 $1 $16) 34... bxa6 $11 {The position is equal.} 35. Rxe5 Nxe5 36. Qxa8+ {[%mdl 64] Double Attack} Kh7 37. Qe4+ Ng6 38. Ne1 {Strongly threatening Nd3.} c4 $1 {[%cal Rc4c3]} 39. bxc4 {[#] And now Nd3! would win.} b3 {Threatening ...Qd2.} 40. Kc1 h5 41. Qe6 Kh6 42. Qe4 Kh7 43. Qe6 Kh6 {Accuracy: White = 55%, Black = 62%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.12"]
[Round "3.3"]
[White "Naroditsky, Daniel"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "2613"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,61,-8,-6,-10,-1,-6,-4,-43,-26,-32,-32,-35,-7,-41,-43,-37,-41,-49,-39,-41,-8,-8,-7,-16,-29,-42,-40,-52,-51,-77,-58,-76,-30,-29,-29,-29,-30,-38,-30,-31,0,0]} 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. O-O g6 5. c3 Bg7 6. d4 cxd4 7. cxd4 O-O 8. Nc3 Ne4 9. Nxe4 dxe4 10. Ng5 Qxd4 11. Nxe4 Nc6 12. Nc3 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5)} Qc4 $146 ({Predecessor:} 12... Rd8 13. Bxc6 bxc6 14. Be3 Qxd1 15. Rfxd1 Be6 16. Rxd8+ Rxd8 17. Rc1 Bxc3 18. Rxc3 Bxa2 19. f3 Bd5 20. Bxa7 f5 21. Re3 {½-½ (21) Lubbe,N (2509)-Vorobiov,E (2585) Lueneburg 2017}) 13. Be3 Be6 14. Bd5 Bxd5 15. Qxd5 Qb4 16. Qb3 Rfd8 17. Rfd1 Qxb3 18. axb3 f5 19. f3 Kf7 20. Kf2 b6 21. Rxd8 Rxd8 22. Nb5 Rd7 23. Rc1 Nb4 24. Rc4 Nd5 25. Ra4 Nxe3 26. Kxe3 Bxb2 27. Nxa7 $17 {KRB-KRN} Rd1 28. Nc6 Ke6 29. Ra2 Rb1 30. Kd3 $1 Bf6 31. Kc4 $1 {Accuracy: White = 56%, Black = 75%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.12"]
[Round "3.4"]
[White "Sarana, Alexey"]
[Black "Akobian, Varuzhan"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2664"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,90,-8,-10,-7,-35,-3,-34,-19,-26,0,0,-13,-23,-35,-25,-27,-38,-15,-6,-5,-5,0,0,0,-23,-5,-18,0,-4,-6,-18,-18,-13,-19,-30,-30,-30,-30,-31,-30,-52,-31,-137,-137,-137,-137,-137,-133,-160,-137,-137,-137,-116,0,-116,-116,-116,-122,-129,-129,-129,-89,-1937,-1933,-1617,-1552,-1512,-1427,-29980,-29981]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 dxc4 5. Qa4+ Nbd7 6. Qxc4 a6 7. Qc2 c5 8. O-O b5 9. b3 Bb7 10. Bb2 Be7 11. d3 O-O 12. Nbd2 Qb6 {A13: English Opening: 1...e6} 13. e4 Rfd8 14. Rac1 Rac8 {Black is slightly better.} 15. Rfd1 $146 ({Predecessor:} 15. Qb1 Nb8 16. Ne5 Nfd7 17. Ng4 {1-0 (66) Mogranzini,R (2486)-Di Benedetto,E (2269) Chianciano Terme 2018}) 15... Nb8 {[%cal Bd7b8,Bb8c6,Bc6d4][%mdl 32]} 16. Ne5 Nfd7 17. Nxd7 Rxd7 18. Nf3 Nc6 19. a3 Nd4 20. Nxd4 cxd4 21. Qd2 Rdc7 22. Rxc7 Rxc7 23. Rc1 e5 24. f4 h6 25. Rxc7 Qxc7 26. Bh3 Bc8 27. Bxc8 Qxc8 28. fxe5 Bg5 $36 {[%mdl 2048] Black has good play.} 29. Qe2 Be3+ 30. Kf1 a5 {[%mdl 1024] Black has compensation.} 31. a4 b4 32. Kg2 (32. Ke1 $1 $15) 32... g6 $17 33. Qd1 h5 34. Qe2 Qe6 35. Qd1 Kg7 36. h3 Kh7 (36... Qxe5 $6 37. Qe2 $11) 37. Qc2 {Qc4 would now be nice for White.} Kg7 ({Much weaker is} 37... Qxe5 $6 38. h4 $15) 38. Qd1 $1 Qc8 ({Reject} 38... Qxe5 39. Qf3 $11) 39. Qe2 Kf8 40. Qd1 Ke7 41. Qe2 Ke6 42. Qf1 $2 {[%mdl 8192]} (42. Kf1 $17) 42... Qc2+ $19 {[%mdl 64] [#] Double Attack} 43. Kh1 Kxe5 44. Ba1 Qxb3 45. h4 Qc2 {Accuracy: White = 46%, Black = 67%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.12"]
[Round "3.5"]
[White "Jumabayev, Rinat"]
[Black "Erdos, Viktor"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2641"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "158"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,158,32,32,31,28,24,29,14,21,20,27,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,14,0,18,0,0,0,0,-3,0,0,0,0,0,0,0,0,0,0,0,0,27,43,37,30,30,39,26,31,75,80,94,100,125,63,100,100,102,78,81,83,100,82,87,82,102,82,83,82,113,56,56,56,56,56,56,48,49,49,56,56,56,47,48,48,182,182,182,175,175,175,225,186,195,127,226,109,182,175,172,140,192,192,226,225,218,218,282,189,192,0,179,186,183,175,186,147,147,153,147,147,183,67,125,125,125,125,177,196,189,179,171,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 d5 2. d4 Bf5 3. c4 e6 4. Nc3 Nc6 5. Bf4 Bd6 6. Bg3 {D06: Queen's Gambit: Symmetrical and Baltic Defences} (6. cxd5 exd5 7. Nxd5 Be4 8. Nc3 Bxf3 9. Bxd6 Qxd6 10. gxf3 Qxd4 11. e3 Qf6 12. Nd5 Qd6 13. Qb3 {½-½ (60) Aronian,L (2795)-Li,C (2746) Moscow 2016}) 6... Nf6 7. e3 O-O 8. a3 {White has an edge.} Bxg3 9. hxg3 h6 $146 ({Predecessor:} 9... Re8 10. Be2 a6 11. O-O dxc4 12. Bxc4 b5 13. Be2 {½-½ (13) Gerbes,P-Speier,R Eisenberg 1993}) 10. Bd3 Bxd3 11. Qxd3 Re8 12. Rd1 Na5 13. Ne5 Nxc4 14. Nxc4 dxc4 15. Qxc4 Qe7 16. O-O c6 17. Rd2 e5 18. Rfd1 Rad8 19. Qa4 a6 20. Qa5 e4 21. Qc5 Nd5 22. Qxe7 Rxe7 23. Rc2 f5 24. b4 Kf7 25. Rb1 Nb6 26. a4 Nc4 {And now ...Na3 would win.} 27. Rbc1 Nd6 28. d5 cxd5 29. Nxd5 Red7 30. Nb6 Re7 31. Rd2 Ke8 32. Rc5 g6 33. Nd5 $1 $36 {[%cal Rd5e7][%mdl 2048] Keeping Black busy.} Rf7 34. Nf4 (34. Nc7+ $1 $16 Kd7 35. b5) 34... g5 35. Ne6 Rdd7 36. Rdd5 Rf6 37. Nd4 Rdf7 38. b5 axb5 39. axb5 Kd7 40. b6 {aiming for Nb5.} Ke8 41. Kh2 Rd7 42. Nxf5 ({White should play} 42. Rc7 $16) 42... Nxf5 $14 43. Rxf5 Rxb6 $16 {[%mdl 4096] Endgame KRR-KRR} 44. Rc8+ Ke7 45. Re5+ Kf7 46. g4 Rf6 47. Kg3 Re6 $1 {[%cal Re6e5]} 48. Rf8+ (48. Rb5 {seems wilder.} b6 49. Rb4 Rb7 50. Rd8 Re5 51. Rd6) 48... Kxf8 49. Rxe6 $14 {KR-KR} Kg7 (49... b5 $14) 50. Rxe4 $18 b5 51. Kf3 Rb7 52. Rb4 Kf6 53. Ke4 Ke6 54. Kd4 (54. Rb2 $18) 54... Kd6 (54... Rd7+ $16 {is a better defense.} 55. Kc3 Rc7+ 56. Kb3 Kd5) 55. Kc3 (55. e4 $18 {and White stays clearly on top.}) 55... Rc7+ (55... Kc5 $16 {keeps fighting.}) 56. Kb3 $1 Rf7 57. Rd4+ ({Not} 57. Rxb5 Rxf2 58. Kc3 Rxg2 $11) 57... Kc6 (57... Kc5 $16 {was necessary.}) 58. f3 $1 Re7 59. e4 Ra7 60. Rd1 Ra6 61. Rc1+ Kd6 62. Rd1+ Kc6 $1 63. Rd8 Ra1 64. Rc8+ Kd6 65. Rh8 Rh1 66. Kb4 Rb1+ 67. Kc3 Rh1 68. Rf8 (68. Rd8+ $18 Kc5 69. Rd5+ Kc6 70. Re5) 68... Rc1+ $14 69. Kd4 Rd1+ {[#]} 70. Ke3 $1 {Threatens to win with Rd8+.} Rg1 (70... Re1+ $16 71. Kd3 Rh1) 71. Rf6+ $18 Kc5 72. Rxh6 b4 {[%cal Bb5b4,Bb4b3][%mdl 32] [#]} 73. Rh8 $2 (73. Kd3 $1 $18) 73... b3 $1 $11 {[%cal Rb3b2] The position is equal.} 74. Rc8+ Kb4 75. Kf2 Rh1 {...b2 is the strong threat.} 76. Rb8+ Kc3 77. Rc8+ $1 Kd3 78. Rb8 Kc3 {Strongly threatening ...b2.} 79. Rc8+ Kd3 {Accuracy: White = 63%, Black = 61%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.13"]
[Round "4.1"]
[White "Sethuraman, S.P."]
[Black "Erdos, Viktor"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2634"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,81,35,47,45,48,52,43,38,36,37,35,33,5,18,60,58,48,64,47,56,281,282,393,386,373,325,420,425,429,441,441,434,430,435,429,431,768,401,375,0,197,188,183,169,169,170,170,0,0,0,333,341,337,330,328,319,280,281,276,268,579,572,559,485,661,650,2220,1805,5173,5118]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 O-O 7. d4 Ba7 8. Bg5 $146 {C78: Ruy Lopez: Archangelsk and Möller Defences} (8. dxe5 Nxe4 9. Bc2 d5 10. exd6 Nxd6 11. Bg5 f6 12. Bf4 g5 13. Bxd6 Qxd6 14. Qxd6 cxd6 15. Nbd2 g4 {0-1 (73) Vallejo Pons,F (2693)-Carlsen,M (2845) Karlsruhe/Baden Baden 2019}) 8... h6 9. Bh4 $1 exd4 10. Re1 {aiming for e5.White is slightly better.} d6 11. Bxc6 {And now Ba4 would win.} dxc3 12. Nxc3 {Bd5 is the strong threat.} bxc6 13. Qc1 {Black must now prevent e5.} Re8 14. e5 dxe5 15. Ne4 $1 {Strongly threatening Bxf6.} Re6 {[#]} 16. Nxe5 $1 {[%mdl 512]} Nxe4 $2 (16... Bd4 $14 17. Nxf6+ (17. Nxc6 Qd5 $14) 17... gxf6 18. Nxc6 Rxe1+ 19. Qxe1 Qd7) (16... Rxe5 17. Nxf6+) 17. Bxd8 $18 Bxf2+ 18. Kh1 Bxe1 19. Qf4 {[%mdl 64] Double Attack} (19. Qxe1 Rxe5 20. Bxc7 Re6 $14) 19... Bb4 20. Qxf7+ Kh8 21. Ng6+ Kh7 22. Nf4 Re5 23. Qg6+ Kg8 24. Qxc6 {[%mdl 64] Double Attack} Nf2+ 25. Kg1 Bc5 26. h3 $2 (26. Qxa8 Ne4+ 27. Kh1 Nf2+ 28. Kg1 Ng4+ 29. Kh1 Nf2+ 30. Kg1 $11) (26. Bh4 $18 Ne4+ 27. Kh1) 26... Bb7 $2 (26... Nxh3+ $1 $11 27. Kh2 Nxf4 28. Qxa8 Rh5+ 29. Kg3 Ne2+ 30. Kf3 Nd4+ 31. Kf4 Ne2+ 32. Ke4 Bf5+ 33. Kf3 Nd4+ 34. Ke3 Kh7) 27. Qxb7 Rxd8 28. Kh2 Bd6 29. Qb3+ Kh7 {[#] With the idea ...Re4.} 30. Qc2+ $2 (30. g3 $1 $18) 30... Re4 $11 31. g3 Bxf4 $4 {[%mdl 8192]} (31... Bb4 $1 $11) 32. gxf4 $18 Nd3 33. Rd1 ({Weaker is} 33. Qxc7 Re2+ 34. Kg1 Rde8 $11) 33... Re3 34. Qxc7 Rde8 {[#]} 35. Rg1 $1 {[%csl Gg1][%cal Rc7g7]} R8e7 36. Qd6 Ne1 $2 (36... Rf7 {is more resistant.} 37. Rg4 (37. Qxa6 Nxf4 38. Rg4 Rxh3+ 39. Kg1 h5 $11) 37... h5 38. Qg6+ Kg8) 37. Rg3 {White is clearly winning.} R3e6 38. Qd4 h5 39. Kh1 g6 {[#]} 40. f5 $1 gxf5 41. Qf4 {Accuracy: White = 82%, Black = 49%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.13"]
[Round "4.2"]
[White "Akobian, Varuzhan"]
[Black "Jumabayev, Rinat"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2627"]
[BlackElo "2641"]
[Annotator "ChessBase"]
[PlyCount "142"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} d6 {[%emt 0:00:00]} 2. e4 {[%emt 0:02:47]} Nf6 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:06]} g6 {[%emt 0:00:04]} 4. f3 {[%emt 0:04:12]} c6 {[%emt 0:00:27]} 5. Be3 {[%emt 0:01:04]} b5 {[%emt 0:00:44]} 6. e5 {[%emt 0:01:23]} b4 {[%emt 0:02:49]} 7. exf6 {[%emt 0:15:52]} bxc3 {[%emt 0:00:39]} 8. bxc3 {[%emt 0:00:10]} exf6 {[%emt 0:00:17]} 9. Bd3 {[%emt 0:00:32]} Bg7 {[%emt 0:10:04]} 10. Ne2 {[%emt 0:00:26]} O-O {[%emt 0:01:15]} 11. Qd2 {[%emt 0:00:22]} Ba6 {[%emt 0:02:01]} 12. h4 {[%emt 0:11:27]} Re8 {[%emt 0:03:08]} 13. h5 {[%emt 0:01:19]} Qa5 {[%emt 0:14:04]} 14. Bf4 {[%emt 0:21:46]} d5 {[%emt 0:09:09]} 15. Kf2 {[%emt 0:03:35]} Nd7 {[%emt 0:01:50]} 16. Bd6 {[%emt 0:09:39]} c5 {[%emt 0:10:19]} 17. Bxa6 {[%emt 0:05:01]} Qxa6 {[%emt 0:00:23]} 18. dxc5 {[%emt 0:00:15]} Rac8 {[%emt 0:01:41]} 19. Qd3 {[%emt 0:02:57]} Qa4 {[%emt 0:03:19]} 20. hxg6 {[%emt 0:03:32]} hxg6 {[%emt 0:02:04]} 21. Qxd5 {[%emt 0:11:10]} Qxc2 {[%emt 0:03:56]} 22. Rhe1 {[%emt 0:00:41]} Bh6 {[%emt 0:10:09]} 23. f4 {[%emt 0:02:39]} f5 {[%emt 0:01:29]} 24. Qd1 {[%emt 0:00:34]} Qxd1 {[%emt 0:10:37]} 25. Rexd1 {[%emt 0:00:15]} Nxc5 {[%emt 0:00:13]} 26. Bxc5 {[%emt 0:00:06]} Rxc5 {[%emt 0:00:05]} 27. g3 {[%emt 0:00:36]} Ra5 {[%emt 0:03:23]} 28. Rd2 {[%emt 0:00:25]} Bf8 {[%emt 0:00:49]} 29. Rb1 {[%emt 0:01:05]} Bc5+ {[%emt 0:00:43]} 30. Nd4 {[%emt 0:00:31]} Bb6 {[%emt 0:01:03]} 31. Kf3 {[%emt 0:00:31]} Kg7 {[%emt 0:02:51]} 32. Rb3 {[%emt 0:00:30]} Re1 {[%emt 0:00:39]} 33. Rbb2 {[%emt 0:00:23]} Rc5 {[%emt 0:01:19]} 34. Rbc2 {[%emt 0:00:11]} Rc4 {[%emt 0:02:10]} 35. Rd3 {[%emt 0:00:22]} Kf6 {[%emt 0:02:46]} 36. Kg2 {[%emt 0:00:48]} Ra1 {[%emt 0:00:42]} 37. Kf3 {[%emt 0:00:42]} Ra4 {[%emt 0:00:25]} 38. Rdd2 {[%emt 0:00:08]} Bxd4 {[%emt 0:00:43]} 39. cxd4 {[%emt 0:00:27]} Ra3+ {[%emt 0:00:14]} 40. Kf2 {[%emt 0:00:00]} Rh1 {[%emt 0:00:00]} 41. Kg2 {[%emt 0:07:03]} Re1 {[%emt 0:02:12]} 42. Re2 {[%emt 0:10:48]} Rd1 {[%emt 0:04:44]} 43. Rc6+ {[%emt 0:13:36]} Kg7 {[%emt 0:00:29]} 44. Rc7 {[%emt 0:00:07]} Rdd3 {[%emt 0:01:13]} 45. Ree7 {[%emt 0:00:04]} Rxg3+ {[%emt 0:03:34]} 46. Kh2 {[%emt 0:00:01]} Kh6 {[%emt 0:03:15]} 47. Rxf7 {[%emt 0:00:02]} Kh5 {[%emt 0:00:46]} 48. Rf6 {[%emt 0:00:32]} Rgf3 {[%emt 0:07:41]} 49. Rh7+ {[%emt 0:00:14]} Kg4 {[%emt 0:00:04]} 50. Rxg6+ {[%emt 0:00:05]} Kxf4 {[%emt 0:00:01]} 51. Rg2 {[%emt 0:00:51]} Ke4 {[%emt 0:03:09]} 52. Rd7 {[%emt 0:02:52]} Rh3+ {[%emt 0:02:15]} 53. Kg1 {[%emt 0:00:01]} f4 {[%emt 0:00:15]} 54. d5 {[%emt 0:00:47]} f3 {[%emt 0:03:03]} 55. Rg4+ {[%emt 0:01:19]} Kf5 {[%emt 0:02:36]} 56. Rdg7 {[%emt 0:00:36]} Rxa2 {[%emt 0:00:14]} 57. R7g5+ {[%emt 0:00:23]} Kf6 {[%emt 0:00:04]} 58. Rg6+ {[%emt 0:00:13]} Ke5 {[%emt 0:00:08]} 59. R6g5+ {[%emt 0:00:14]} Kd6 {[%emt 0:00:06]} 60. Rf5 {[%emt 0:00:01]} a5 {[%emt 0:02:55]} 61. Rg6+ {[%emt 0:00:31]} Kc5 {[%emt 0:00:08]} 62. d6+ {[%emt 0:00:20]} Kc6 {[%emt 0:00:45]} 63. Rf7 {[%emt 0:01:30]} Rg2+ {[%emt 0:02:31]} 64. Rxg2 {[%emt 0:00:10]} fxg2 {[%emt 0:00:02]} 65. Kxg2 {[%emt 0:00:42]} Rd3 {[%emt 0:00:55]} 66. Kf2 {[%emt 0:00:54]} Rxd6 {[%emt 0:00:27]} 67. Rf5 {[%emt 0:00:31]} Kb6 {[%emt 0:00:34]} 68. Ke2 {[%emt 0:00:13]} a4 {[%emt 0:00:06]} 69. Rf3 {[%emt 0:00:35]} Kb5 {[%emt 0:00:37]} 70. Rd3 {[%emt 0:00:05]} Ra6 {[%emt 0:00:16]} 71. Rd8 {[%emt 0:01:10]} a3 {[%emt 0:00:27]} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.13"]
[Round "4.3"]
[White "Oparin, Grigoriy"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "2657"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,2,5,-8,1,8,18,-7,0,0,-4,-12,-12,-8,-17,-13,-14,-14,-14,-11,-8,-8,-2,-8,-8,-8,-8,-8,-8,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bc5 5. Nxe5 Nxe5 6. d4 Bb4 7. dxe5 Nxe4 $1 {The position is equal.} 8. Qf3 {A28: English Opening: Four Knights Variation} Nxc3 9. bxc3 Ba5 (9... Be7 10. Qg3 g6 11. Bh6 d6 12. Be2 Be6 13. Rd1 Qd7 14. exd6 cxd6 15. O-O O-O-O {½-½ (52) Carlsen,M (2861)-Nepomniachtchi,I (2773) Abidjan 2019}) 10. Ba3 d6 $1 11. exd6 {[#] Hoping for Qe3+.} O-O {Threatens to win with ...Bg4!} 12. Be2 Bg4 13. dxc7 $146 ({Predecessor:} 13. Qxg4 Bxc3+ 14. Kf1 Bxa1 15. dxc7 {½-½ (15) Heap,G (2056)-Heaven,P (1972) Bridgend 2015}) 13... Qxc7 14. Qxg4 Bxc3+ {[%mdl 64] [#] Double Attack} 15. Kf1 $1 {Strongly threatening Rc1.} Bxa1 16. Bxf8 Rxf8 17. g3 Bf6 18. Kg2 Rd8 19. Rd1 Rxd1 20. Bxd1 g6 21. Qe4 Qc6 22. Qxc6 bxc6 $11 {[%mdl 4096] Endgame KB-KB} 23. c5 Bd4 24. Ba4 Bxc5 25. Bxc6 f5 26. h4 Kg7 27. f4 h5 28. Kf3 Kf6 29. Bd5 Bd4 30. a4 a5 {Accuracy: White = 68%, Black = 84%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.13"]
[Round "4.4"]
[White "Xiong, Jeffery"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2712"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "169"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,169,21,16,28,20,26,25,14,21,15,12,15,24,25,31,0,43,2,17,0,0,0,0,-6,0,0,0,0,0,-51,-4,-5,43,0,43,5,20,14,18,14,43,41,44,38,44,33,69,48,48,48,67,44,68,66,67,67,67,67,149,84,84,84,84,68,68,68,68,66,66,66,65,53,70,67,81,82,90,91,93,93,108,81,83,81,84,77,93,86,139,139,139,139,132,0,131,131,131,131,162,161,157,155,147,149,255,255,302,292,383,383,353,334,305,81,84,20,20,20,20,20,22,16,19,8,16,16,19,17,18,8,8,8,8,8,8,0,0,0,4,0,4,0,8,0,8,8,8,8,8,8,8,0,0,0,8,8,8,8,8,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. O-O Ba7 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} d6 8. Nbd2 (8. Re1 O-O 9. h3 Kh8 10. b4 Ng8 11. Nbd2 f5 12. b5 Nce7 13. bxa6 bxa6 14. Ba2 Nf6 15. exf5 Nxf5 {½-½ (30) Karjakin,S (2760)-Vitiugov,N (2732) Khanty-Mansiysk 2019}) 8... h6 9. b4 {White has an edge.} Ne7 10. d4 exd4 11. cxd4 d5 $146 ({Predecessor:} 11... O-O 12. Re1 Bg4 13. Qb3 c5 14. e5 dxe5 15. Nxe5 {0-1 (28) Zheng,J (1553)-Halldorsson,T (1730) Helsingor 2019}) 12. Bd3 dxe4 13. Nxe4 Ned5 14. Nxf6+ (14. Nc5 {seems wilder.} O-O 15. Qb3 c6 16. Re1 Bb8 17. a5) 14... Qxf6 15. Qe2+ Be6 16. b5 a5 17. Bd2 Bb6 18. Qe1 Bxd4 19. Nxd4 Qxd4 20. Ra3 (20. Bf5 $11 Qb6 21. Qe5) 20... O-O (20... O-O-O $5 {[%cal Rd5b4]} 21. Qc1 Rd7 $11) 21. Qc1 Rfe8 22. Bb1 {[%mdl 1024] White has compensation.} f5 23. Rg3 {next Bxh6 is good for White.} Kh7 (23... Qxa4 $2 24. Bxh6 Re7 25. Qb2 $18) 24. Re1 Qf6 $1 25. Ba2 f4 (25... c6 $5) 26. Rf3 {[%cal Rd2f4]} Bf7 27. Rxe8 Rxe8 28. Bxa5 Kg8 29. Bd2 Qd4 30. Bxd5 (30. Bxf4 $2 {[#]} Qb2 $1 $19 {[%mdl 512]}) 30... Qxd5 31. Bxf4 Qc5 {[#] ( -> ...Qxc1+)} 32. Rc3 (32. Qxc5 $2 {leads to mate.} Re1#) 32... Qd4 33. h3 $1 ({Don't blunder} 33. Bxc7 $2 Re2 $19) 33... Re2 34. Be3 Qe4 ({Black should play} 34... Qb4 $14) 35. Qd1 (35. Rxc7 $142 {aiming for Qc3.} Bd5 36. Kf1 (36. Rc8+ Kh7 $11)) 35... Bd5 $16 {[%csl Gd5][%cal Re4g2]} 36. f3 Qe5 37. Qd4 (37. Qxe2 {keeps more tension.} Qxc3 38. Bf2 Qa1+ 39. Kh2 Qxa4 40. Bg3) 37... Qxd4 38. Bxd4 $14 {[%mdl 4096] Endgame KRB-KRB} c6 39. bxc6 Bxc6 40. a5 {Black must now prevent a6!} Ra2 41. Rc5 Rd2 42. Bc3 Rd6 43. h4 Kf7 44. Kf2 Rd5 45. Rc4 Bb5 46. Rf4+ Kg8 47. Rg4 Rd7 48. Rg6 Bd3 49. Rb6 Ba6 (49... Bc4 $142 50. Kg3 Bf7) 50. g4 $16 Rc7 51. Bd4 Rd7 52. Bc3 Rc7 $1 {[%cal Rc7c3]} 53. Be5 Rd7 54. f4 Kh7 55. Ke3 h5 56. gxh5 Rd3+ 57. Ke4 Rh3 (57... Rd7 $16 58. Kf5 Rd2) 58. Re6 $18 Rxh4 59. Rg6 Rxh5 60. Rxg7+ Kh6 {Hoping for ...Rxe5+.} 61. f5 Rh4+ 62. Kd5 $2 (62. Kf3 $18 Rh3+ 63. Kg4) 62... Ra4 $16 63. Ke6 ({White should try} 63. Rg6+ $16 Kh5 64. Bc3) 63... Bc4+ $11 {The position is equal.} 64. Kf6 {And now Bc3 would win.} Rxa5 65. Rg4 {[%cal Rg4h4]} Ra6+ 66. Ke7 b5 67. Bd6 Ra7+ 68. Kf6 {[%cal Rg4h4]} Rf7+ 69. Ke5 Kh7 70. f6 Rd7 71. Rg3 Kh6 72. Kf5 {[%cal Rg3h3]} Kh7 73. Be5 Rb7 74. Kg5 Bf7 75. Kf5 Bc4 76. Bd6 Rd7 77. Ke5 Bf7 78. Rg7+ Kh8 $1 79. Rg4 Kh7 80. Be7 {Rg7+ is the strong threat.} Kh8 81. Rh4+ Kg8 82. Bd6 Ra7 83. Rg4+ Kh8 84. Bf8 Rd7 85. Bd6 {Accuracy: White = 54%, Black = 53%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.13"]
[Round "4.5"]
[White "Sevian, Samuel"]
[Black "Gabuzyan, Hovhannes"]
[Result "1/2-1/2"]
[ECO "A61"]
[WhiteElo "2657"]
[BlackElo "2616"]
[Annotator "TA"]
[PlyCount "163"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,163,48,22,26,41,51,25,83,81,66,45,35,28,52,47,32,30,36,19,24,23,30,0,0,0,0,0,29,27,28,32,40,-10,14,0,0,0,14,29,74,71,120,135,141,74,85,49,50,38,47,48,59,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Na6 10. O-O Ne8 11. Nc4 f5 12. exf5 Bxf5 13. Bf4 Nb4 {A73: Modern Benoni: Classical: Unusual Black 9th moves} 14. Qd2 Qd7 15. Ne3 Nd3 $146 (15... Nc2 $11) ({Predecessor:} 15... Bd3 16. Bg3 Bxe2 17. Qxe2 Nf6 18. a3 Na6 19. Qb5 Rad8 20. Nc4 Qxb5 21. Nxb5 Nxd5 22. Bxd6 {½-½ (70) Haba,P (2445)-Kanovsky,D (2414) Czech Republic 2018}) 16. Bg3 Ne5 17. Rae1 Nc7 18. Kh1 b5 19. f4 Nf7 {[%cal Be5f7,Bf7h8,Bh8g6][%mdl 32]} 20. Nxf5 gxf5 21. Bh4 Rae8 22. Bf3 Nh8 23. Ne2 (23. Bf2 {looks sharper.} Rxe1 24. Rxe1 a5 25. Ne2 Ng6 26. Ng3) 23... Ng6 24. Bf2 b4 25. Ng3 Qa4 26. Rxe8 Nxe8 27. b3 Qd7 28. Ne2 Nf6 29. Qc2 Ng4 30. Bg1 Nh4 (30... Kh8 {with more complications.} 31. Qc4 Bh6 32. a3 a5 33. Qa6 Qd8) 31. Ng3 Nxf3 32. Rxf3 Qf7 33. h3 Nh6 {[#]} 34. Qd1 (34. Re3 $142 $1) 34... Re8 35. Re3 Bf6 36. Nf1 Rxe3 37. Nxe3 Bd4 38. Nc4 (38. Nf1 $14) 38... Qxd5 $11 {The position is equal.} 39. Bxd4 cxd4 40. Qe1 a5 41. Qe8+ Kg7 42. Qd7+ Nf7 {[#] Hoping for ...d3.} 43. Ne5 $1 {[%mdl 576] Pin} h5 (43... dxe5 44. Qxd5) 44. Kh2 h4 45. Nxf7 Qxf7 46. Qxd6 {[%mdl 4096] Endgame KQ-KQ} Qf6 47. Qd5 Kh6 48. Kg1 Qe7 49. Qxd4 {aiming for Qe5!} Qe1+ 50. Kh2 Qg3+ 51. Kh1 Qe1+ 52. Kh2 {Black must now prevent Qf6+.} Qg3+ 53. Kh1 {And now Qh8+ would win.} Qe1+ 54. Qg1 Qxg1+ 55. Kxg1 {KP-KP} Kg6 56. Kf2 (56. Kf1 $5 {[%cal Rf1e2]} Kf7 57. Kf2 $14) 56... Kf6 57. Kf3 Kf7 $1 58. Ke2 {Threatens to win with Kd3.} Ke6 59. Ke3 Ke7 $1 60. Kd3 Kd7 $1 61. Kd4 Kd6 $1 62. Ke3 Ke7 63. Kf2 $1 Kf6 64. Kf1 Kf7 65. Ke1 Ke7 66. Kd1 Kd6 {...Kd5 is the strong threat.} 67. Kd2 Ke6 68. Ke2 Ke7 $1 69. Ke3 Ke6 70. Kd2 Kd6 71. Ke2 Ke6 72. Kf3 Kf6 73. Kf2 Kf7 $1 74. g4 hxg3+ $1 75. Kxg3 Kg6 76. Kf2 Kh5 $1 77. Kf3 Kh4 78. Kg2 Kh5 79. Kg3 Kg6 80. Kf3 {Strongly threatening Ke3.} Kh5 81. Kg2 Kh4 82. Kh2 {Accuracy: White = 70%, Black = 81%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.14"]
[Round "5.1"]
[White "Gabuzyan, Hovhannes"]
[Black "Sethuraman, S.P."]
[Result "0-1"]
[ECO "A15"]
[WhiteElo "2616"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,94,-34,-42,-34,-69,-67,-74,-43,-56,-48,-56,-29,-29,-32,-34,-30,-27,-9,-56,-62,-47,-52,-170,-165,-227,-158,-164,-172,-171,-170,-163,-160,-166,-164,-181,-152,-153,-155,-161,-170,-159,-154,-187,-175,-175,-193,-204,-158,-164,-127,-159,-160,-153,-149,-156,-145,-158,-145,-133,-35,-162,-23,-23,-23,-31,-52,-114,0,0,0,0,0,0,0,0,0,0,-7,-29995,-29996,-29996,-29997]} 1. c4 Nf6 2. d3 e6 3. Nf3 d5 4. Nbd2 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. b3 d4 {A14: English Opening: 1...e6 with b3 by White} 9. Ne1 e5 10. e4 dxe3 {Black is better.} 11. fxe3 Bg4 12. Qc2 $146 ({Predecessor:} 12. Bf3 Bh3 13. Rf2 Qd7 14. Bb2 Rad8 15. Ne4 Ng4 16. Re2 {½-½ (37) Khromov,V (2235)-Zhukova,N (2355) Yalta 1996}) 12... Be2 13. Rf2 Bh5 {...Ng4 is the strong threat.} 14. Ne4 Ng4 {Hoping for ...f5.} 15. Rf1 f5 $36 {[%mdl 2048] Black has the initiative.} 16. Nf2 (16. h3 $5 {[%cal Rh3g4]} fxe4 17. Rxf8+ Qxf8 18. hxg4 Bxg4 19. Bxe4 $11) 16... Qd6 17. Nxg4 Bxg4 18. a3 {[#]} ({Better is} 18. Bd5+ $15 Kh8 19. Qg2) 18... Nd4 $1 $19 {[%mdl 512]} 19. Qf2 (19. exd4 {is a better defense.} Qxd4+ {[%mdl 64] Double Attack} 20. Be3 Qxe3+ 21. Qf2) 19... Nxb3 20. Rb1 Nxc1 21. Bd5+ Kh8 {White must now prevent ...Ne2+.} 22. Rxc1 Rab8 23. a4 b6 24. Ng2 Bh5 25. Rce1 Be8 26. Qc2 Bd7 27. Rf2 a6 28. Qa2 g6 29. Ref1 Bf6 30. e4 Bg7 31. exf5 Bxf5 32. Qb3 Bd7 33. Rxf8+ Rxf8 34. Rxf8+ Bxf8 35. Nh4 Qf6 36. Nf3 Bh6 (36... a5 $17 37. Qd1 Bg7) 37. Kf2 (37. a5 $1 $15 bxa5 38. Qb8+ Bf8 39. Ng5) 37... g5 {[#]} (37... a5 $1 $19 38. h4 Kg7) 38. a5 $1 $11 {[%cal Ra5b6][%mdl 512]} bxa5 {aiming for ...g4.} 39. Qb8+ Bf8 {Strongly threatening ...g4.} 40. Kg2 {[#]} ({White should try} 40. Ke3 $15) 40... Qd6 (40... g4 $1 $17 41. Ng5 (41. Nxe5 Bf5 $15) 41... a4 42. Nf7+ Kg7) 41. Qb7 Qe7 {[#]} 42. Nxg5 $1 {[%mdl 512]} Bf5 (42... Qxg5 43. Qxd7) 43. Nf7+ Kg7 {Threatens to win with ...Qxb7.} 44. Qb6 Qf6 ({Of course not} 44... Bxd3 $6 45. Qh6+ Kg8 46. Qxa6 $14) (44... Bg6 $5 45. Nd8 $8 Bf5 $11) 45. Qc7 Be7 {( -> ...Bh3+!)} 46. Qb8 $2 {[%mdl 8192] [#]} (46. h4 $11) 46... Bh3+ $1 {[%mdl 576] Deflection, Decoy} 47. Kxh3 Qf1+ {[%mdl 64] Double Attack. Accuracy: White = 44%, Black = 65%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.14"]
[Round "5.2"]
[White "Naroditsky, Daniel"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2613"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,63,0,-6,0,0,0,0,20,19,19,19,17,15,8,10,2,0,15,0,3,1,0,2,23,25,42,30,26,29,54,15,22,27,26,8,16,18,17,17,17,6,4,4,8,4,4,5,5,0,0,0]} 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Ngf6 5. O-O Bd6 6. Nbd2 O-O 7. e4 c6 8. b3 Re8 {B10: Caro-Kann: 2 d3 and 2 c4} 9. Bb2 a5 10. a4 b6 11. Re1 Bb7 12. d4 (12. Nh4 Bb4 13. Qe2 dxe4 14. dxe4 Ba6 15. Qd1 Qc7 16. c3 Bf8 17. Qc2 {½-½ (49) Andriasian,Z (2585)-Bocharov,D (2583) Riadh 2017}) 12... Nxe4 13. dxe5 $146 ({Predecessor:} 13. Nxe4 dxe4 14. Nxe5 Nxe5 15. dxe5 Bxe5 16. Bxe5 Rxe5 17. Bxe4 Qxd1 18. Raxd1 Rae8 19. f4 R5e7 20. Kf2 g6 {½-½ (20) Littlewood,J (2305)-Taylor,P (2229) Birmingham 2002}) 13... Nxd2 $1 14. exd6 Ne4 $1 15. c4 Nxd6 16. cxd5 cxd5 17. Rxe8+ Qxe8 18. Qd4 {[%csl Gb2][%cal Rd4g7] [#]} Qf8 (18... f6 {is more complex.} 19. Ng5 Qe5 20. Qxe5 Nxe5 21. Rd1 Re8) 19. Ba3 Nc5 20. Bxc5 bxc5 21. Qxc5 Qd8 22. Re1 Rc8 23. Qd4 h6 24. h4 Qc7 {The position is equal.} 25. b4 axb4 26. Qxb4 Qc5 27. Rb1 Qxb4 28. Rxb4 Kf8 29. Rb6 Rc6 30. Rxc6 Bxc6 31. Ne5 Bxa4 32. Bxd5 {Accuracy: White = 71%, Black = 60%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.14"]
[Round "5.3"]
[White "Sarana, Alexey"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2664"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "104"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,104,47,37,46,31,37,43,55,26,23,0,0,0,0,0,0,-11,0,-8,-19,-16,0,-4,-4,-6,0,-11,-6,-11,-8,-17,-6,-6,-8,-7,-6,-8,-1,-1,-2,-2,-4,-72,-72,-72,-72,-72,-70,-70,-72,-70,-70,-71,-70,-71,-70,-72,-72,-72,-71,-70,-69,-127,-128,-491,-489,-477,-451,-397,-372,-641,-527,-1591,-1535,-1583,-1497,-1366,-1352,-1299,-1292,-1277,-1237,-1211,-1109,-894,-663,-29967,-29968,-29969,-29972,-29971,-29972,-29971,-29972,-6079,-5804]} 1. d4 g6 2. e4 Bg7 3. c4 d6 4. Nc3 e5 5. d5 a5 6. Bd3 Na6 {A42: Modern Defence: Averbakh Variation} (6... Nd7 7. h4 Ngf6 8. Bc2 Nc5 9. Be3 Bd7 10. Qe2 O-O 11. O-O-O a4 12. Kb1 Qb8 13. h5 Nxh5 14. Rxh5 gxh5 15. Qxh5 {1-0 (40) Volkov,S (2557)-Shariyazdanov,A (2519) Cheliabinsk 2019}) 7. a3 Nc5 8. Bc2 Ne7 {White is slightly better.} 9. Rb1 f5 $146 ({Predecessor:} 9... O-O 10. b4 axb4 11. axb4 Na6 12. Nf3 h6 13. O-O f5 14. Ne1 {½-½ (84) Olarasu,G (2327)-Petrovic,M (2221) Belgrade 2005}) 10. b4 axb4 11. axb4 Nxe4 12. Nxe4 fxe4 13. Ne2 e3 14. Bxe3 Nf5 15. Ba4+ Bd7 16. Bxd7+ Qxd7 17. O-O O-O 18. Nc3 Nxe3 19. fxe3 Rxf1+ 20. Qxf1 {[#]} e4 $1 {[%mdl 512]} 21. Nxe4 Qe7 22. Qd3 $1 Re8 $36 {[%mdl 2048] Black has some pressure.} 23. Nc3 Bxc3 24. Qxc3 Qxe3+ 25. Qxe3 Rxe3 $11 {[%mdl 4096] Endgame KR-KR} 26. Ra1 (26. Kf2 $11 {keeps the balance.} Rc3 27. c5) 26... Rc3 $17 27. Ra7 Rxc4 28. Rxb7 Kf7 29. b5 Kf6 $1 30. b6 cxb6 $1 31. Rxb6 Ke5 32. Rb7 h5 ({Don't play} 32... Kxd5 33. Rxh7 Ke4 34. Re7+ Kf5 35. Rd7 $11) 33. Rg7 {[#]} Rg4 $1 34. Kf2 Kxd5 35. g3 Kd4 36. Kf3 ({Better is} 36. Ra7 $15) 36... Rg5 37. h3 $2 {[%mdl 8192]} (37. h4 $17 Rf5+ 38. Ke2) 37... Rf5+ $19 38. Ke2 Re5+ 39. Kf3 {[#]} Re6 $1 40. g4 $2 (40. Rc7 d5 41. Rc1) 40... d5 41. gxh5 gxh5 42. h4 Re3+ 43. Kf2 Re4 44. Ra7 Rf4+ 45. Kg3 Rf5 46. Kg2 Ke4 47. Re7+ Kd3 48. Rg7 d4 49. Rg8 Ke4 50. Re8+ Re5 51. Rd8 Ke3 52. Kf1 Re4 {Accuracy: White = 42%, Black = 76%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.14"]
[Round "5.4"]
[White "Jumabayev, Rinat"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2641"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,112,2,0,0,0,0,0,0,5,5,2,0,0,0,0,0,0,0,-3,0,0,0,0,0,-14,0,0,9,5,13,9,32,33,42,40,45,37,50,21,54,51,57,52,47,45,46,46,56,58,45,62,70,66,89,94,89,64,62,23,12,17,18,0,25,25,25,26,34,34,28,28,29,8,8,8,8,8,15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qb3 a5 {E11: Bogo-Indian} 9. Bf4 Nbd7 10. Rc1 Nh5 11. Be3 Nhf6 12. a3 $146 ({Predecessor:} 12. a4 Bd6 13. Nc3 h6 14. Rd1 Qe7 15. Rac1 Bc7 16. Qa2 Re8 17. h3 {1-0 (61) Sargissian,G (2689)-Jakovenko,D (2735) St Petersburg 2018}) 12... h6 13. Qd1 dxc4 14. Rxc4 e5 15. dxe5 Nxe5 16. Rd4 Nxf3+ 17. Bxf3 Qc7 18. Qc2 Be6 19. Nd2 Rfd8 20. Rxd8+ Rxd8 21. Nc4 $36 {[%mdl 2048] Threatening Bb6. White is more active.} Bxc4 22. Qxc4 Nd5 23. Bd2 Bf6 24. Rb1 Qb6 25. Be1 Nc7 26. Qa4 Ra8 27. e3 Qc5 28. h4 Ne6 29. Kg2 Qf5 30. Be4 Nc5 31. Bxf5 Nxa4 32. b3 Nb6 33. h5 Be7 34. a4 Nd5 35. Rd1 Bb4 36. Bxb4 Nxb4 $14 {[%mdl 4096] Endgame KRB-KRN} 37. Rd7 Rb8 $1 38. f4 Nd5 39. Kf3 Nf6 40. Rc7 Ne8 41. Rc8 Rxc8 42. Bxc8 {KB-KN} Nd6 43. Bh3 f5 {The position is equal.} 44. Bf1 Kf7 45. Bd3 Ke6 46. g4 fxg4+ 47. Kxg4 Kd5 48. Kf3 b5 $1 49. axb5 cxb5 50. e4+ Kc5 51. e5 Nc8 52. Ke4 {Strongly threatening f5.} Ne7 53. Be2 Nd5 {[#] White must now prevent ...a4.} 54. Bg4 Nc3+ 55. Kd3 Nd5 $1 {Threatens to win with ...a4.} 56. Ke4 Nc3+ {Accuracy: White = 83%, Black = 81%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.14"]
[Round "5.5"]
[White "Erdos, Viktor"]
[Black "Akobian, Varuzhan"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "2613"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,91,20,15,8,0,34,35,60,58,51,67,58,58,68,65,57,65,55,55,69,66,88,60,81,62,108,114,134,124,138,138,137,130,140,129,141,139,139,135,172,86,116,125,155,133,108,102,98,0,121,124,141,6,6,18,19,2,8,0,4,5,10,0,26,0,0,0,5,0,29,0]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. e3 O-O 8. Rc1 c6 9. Bd3 Nd7 10. O-O dxc4 11. Bxc4 c5 12. Ne4 cxd4 {D55: Queen's Gambit Declined: 4 Bg5 Be7: Lines without ...h6 and 6...h6 7 Bxf6} 13. Nxd4 Be5 $146 ({Predecessor:} 13... Nb6 14. Nxf6+ Qxf6 15. Bb3 Bd7 16. Qh5 Rfc8 17. Rxc8+ Rxc8 18. Qa5 Ra8 19. Rc1 Qd8 20. h3 {1-0 (55) Livaic,L (2466)-Markidis,K (2370) Kavala 2017}) 14. f4 Bxd4 {White is slightly better.} 15. Qxd4 Nb6 16. Nd6 Nd5 17. Bxd5 Qxd6 18. Bf3 Qxd4 19. exd4 Rd8 20. Rfd1 Rb8 21. Rc7 Rd6 22. d5 Bd7 23. b3 a5 24. Kf2 {[#] Strongly threatening dxe6.} Be8 25. dxe6 Rxd1 26. Bxd1 fxe6 $16 {[%mdl 4096] Endgame KRB-KRB} 27. Bg4 Bf7 28. Bf3 b6 29. Ke3 Kf8 30. h4 Be8 31. Bg4 (31. Ke4 $18) 31... Bf7 32. Be2 h5 33. Bd3 Rd8 34. Rc6 Rb8 35. Rc7 Rd8 36. Bc4 Rd6 {[#]} 37. a4 ({Better is} 37. Ke4 $1 $16) 37... Bg6 $11 38. Be2 Kg8 39. Rc8+ Kf7 40. Rh8 Rd5 41. Bc4 Rd6 42. Be2 Kf6 43. Rf8+ Ke7 44. Rg8 Kf7 45. Rh8 Kf6 46. Rf8+ {Accuracy: White = 43%, Black = 49%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.15"]
[Round "6.1"]
[White "Sethuraman, S.P."]
[Black "Akobian, Varuzhan"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2634"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,85,11,3,4,7,3,0,0,0,0,0,0,0,0,0,0,0,108,120,175,195,154,197,189,182,187,191,177,177,174,166,201,201,354,318,458,460,444,426,349,264,554,530,1142,1020,2084,2109,2072,2044,2029,1928,1916,1556,1608,1806,1781,1760,1431,1529,29984,29985,29985,29986,29986,29987,29987,29986,29986,29987,29978,2926]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 cxd4 9. Nxd4 Bc5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 10. Qd2 O-O (10... Qc7 11. O-O-O Nxd4 12. Bxd4 b5 13. h4 O-O 14. Rh3 Rb8 15. Bxc5 Nxc5 16. b4 Nd7 17. Ne2 {1-0 (37) Karjakin,S (2760)-Lomasov,S (2540) Douglas 2018}) 11. h4 Nxd4 {The position is equal.} 12. Bxd4 b5 13. O-O-O Rb8 14. Bxc5 Nxc5 15. Qd4 Qc7 $146 ({Predecessor:} 15... Qb6 16. b4 Nd7 17. g4 Qxd4 18. Rxd4 {½-½ (34) Kluegel,J (2500)-Terreaux,G (2459) ICCF email 2015}) 16. h5 Bd7 (16... h6 $11) 17. h6 $16 {Strongly threatening hxg7.} g6 (17... f5 $16 {was worth a try.}) 18. b4 $18 Na4 19. Nxa4 bxa4 20. Bxa6 Bb5 21. Bxb5 Rxb5 22. Rh3 Rc8 {[%csl Gc8][%cal Rc7c2]} 23. Rd2 $1 Rb6 24. c4 $1 Qxc4+ $2 (24... f5 {is a better defense.} 25. c5 Rbb8) 25. Qxc4 Rxc4+ {[%mdl 4096] Endgame KRR-KRR} (25... dxc4 {was necessary.} 26. Rd7 Kf8) 26. Rc2 $1 {[%cal Rc2c4]} Rbc6 27. Rxc4 Rxc4+ {KR-KR} 28. Kb2 Kf8 $2 ({Inferior is} 28... Rxf4 29. Rc3 $16) (28... d4 29. Rd3 Kf8) 29. Rc3 $1 {[%cal Rc3c4] Hoping for Rxc4.} Rxf4 {[#]} 30. b5 $1 {[%cal Bb4b5,Bb5b6][%mdl 32]} Ke8 31. b6 Rf2+ 32. Kb1 {Rc1 would kill now.} Rf1+ 33. Kc2 {Threatening mate with b7.} Kd7 34. Rc7+ Kd8 35. Kd3 Rf2 36. Ke3 Rf1 37. Ke2 Rh1 38. Rxf7 {White mates.} Kc8 39. Rxh7 Kb8 40. Kd3 Rd1+ 41. Kc2 Rh1 42. Kc3 Rh4 {[#]} 43. g3 {Accuracy: White = 96%, Black = 55%.} (43. g4 $142 $1 {[%mdl 512]} Rxg4 44. Rg7 Rh4 45. h7 Rc4+ 46. Kd3 Rh4 47. Rg8+ Kb7 48. h8=Q Rxh8 49. Rxh8) 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.15"]
[Round "6.2"]
[White "Oparin, Grigoriy"]
[Black "Erdos, Viktor"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2657"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,164,36,19,27,14,18,-5,-6,-22,-20,-26,-25,-33,-23,-22,-15,-23,-12,-7,-4,-55,-61,-45,-18,-32,-32,-68,-59,-66,-29,-91,-79,-88,-52,-85,-85,-85,-62,-72,-67,-72,-69,-74,-79,-87,-87,-122,-96,-148,-149,-155,-140,-143,-116,-122,-118,-124,-124,-118,-117,-184,-172,-356,-347,-416,-411,-440,-398,-397,-391,-540,-531,-923,-917,-1171,-843,-920,-441,-486,-475,-475,-475,-481,-464,-489,-478,-446,-476,-471,-469,-460,-435,-502,-472,-1493,-1508,-5322,-5306,-29982,-1357,-2273,-2272,-2531,-2399,-1605,-2206,-2065,-1643,-2133,-917,-710,0,-1889,-3450,-2542,-2363,-1971,-1815,-29980,-1028,-1008,-987,-919,-774,-729,-593,-409,-146,-211,-207,-495,-469,-822,-970,-1483,-1482,-1351,-1349,-1312,-1297,-1274,-1208,-1146,-1104,-29977,-29978,-29978,-29979,-29981,-29982,-29985,-29985,-29985,-29986]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e3 Nxc3 6. bxc3 g6 7. Bb5+ Bd7 {A34: Symmetrical English: 2 Nc3, lines with ...d5} 8. Qb3 (8. Be2 Bg7 9. d4 O-O 10. O-O Qc7 11. e4 Bg4 12. Bg5 Rd8 13. Rc1 Nc6 14. d5 Na5 15. Nd2 Bxe2 16. Qxe2 c4 17. Nf3 b5 18. Rfd1 {1-0 (36) Artemiev,V (2757)-Fedoseev,V (2671) Izhevsk 2019}) 8... Bg7 9. Ba3 Qa5 {The position is equal.} 10. Rb1 $146 ({Predecessor:} 10. Bxd7+ Nxd7 11. O-O b6 12. Bb2 O-O 13. c4 Bxb2 14. Qxb2 Rac8 {1-0 (78) Vaganian,R-Palatnik,S Tbilisi 1973}) 10... b6 11. Bc4 O-O 12. O-O Ba4 13. Qb2 Nd7 14. d4 Rfc8 {Threatens to win with ...cxd4.} 15. Nd2 b5 16. Nb3 (16. Bd3 $11) 16... Bxb3 $15 17. Bxb3 e6 $36 {[%mdl 2048] And now ...b4 would win. Black is pushing.} 18. Bd1 $1 Rab8 {[%cal Ba8b8,Bb8b7,Bb7c7][%mdl 32]} 19. Qb3 Bf8 20. Bc1 a6 21. e4 (21. Bd2 $11 {keeps the balance.}) 21... Nb6 $17 22. Bf4 Rb7 23. Bf3 Na4 24. Rfc1 Qd8 25. Be3 Rbc7 26. d5 c4 27. Qc2 exd5 28. Rd1 Bg7 29. Rxd5 Rd7 30. Rxd7 (30. Bd2 $142) 30... Qxd7 31. Rd1 Qe7 32. Bd4 Be5 33. g3 Bxd4 34. cxd4 Qa3 $1 {[%cal Ra3f3]} 35. Bg4 Rd8 36. Qd2 (36. d5 $17) 36... Nb2 $19 37. Qg5 $2 (37. Rf1 {keeps fighting.}) 37... Re8 38. Rf1 {intending e5.} Rxe4 39. Qd8+ Qf8 40. Qd7 Qe7 41. Qc6 Nd3 42. d5 Re1 43. Bh3 Kg7 44. d6 {[#]} Qf6 {Played: Qe7-a7} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.15"]
[Round "6.3"]
[White "Xiong, Jeffery"]
[Black "Jumabayev, Rinat"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2712"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,88,19,35,22,23,18,29,12,18,9,15,18,21,20,11,6,14,-31,-13,-19,-16,-13,-13,-90,-83,-45,-5,-6,0,0,0,-16,0,-18,-19,-27,-16,-30,-28,-19,0,-48,-14,-64,-51,-37,-28,-160,-114,-130,-130,-112,-126,-178,-168,-390,-390,-390,-390,-369,-378,-29946,-29950,-29986,-29949,-29944,-29949,-29938,-29939,-29956,-29948,-11677,-6444,-29966,-29966,-29969,-29970,-12848,-6098]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nc3 {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} (7. Qd2 b6 8. O-O-O Bb7 9. Nc3 c6 10. Be2 Nd7 11. f4 f5 12. Nf3 Qc7 13. Ne5 h5 14. Bf3 Nxe5 15. dxe5 {½-½ (38) Kryvoruchko,Y (2669)-Ponkratov,P (2644) Mali Losinj 2019}) 7... a6 8. g3 Nc6 9. Nge2 $146 {White has an edge.} ({Predecessor:} 9. Nf3 e5 10. Bg2 exd4 11. Ne2 Bb4+ 12. Kf1 Bc5 13. Qd2 Be6 14. Rd1 Qd6 15. Nexd4 Nxd4 16. Nxd4 {½-½ (30) Arjun,K (2444)-Kosic,D (2500) Budapest 2019}) 9... e5 {[%cal Re5d4]} 10. d5 Na5 11. Qd3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 12. Bg2 {[#] Hoping for d6.} Rb8 13. O-O f5 14. a4 {[%cal Ra4b5]} b4 15. Nd1 $1 Bc5 16. Ne3 Qf6 17. Nc4 (17. c3 $11) 17... Nxc4 $17 18. Qxc4 Qd6 19. Nc1 {Black must now prevent Nd3.} O-O 20. Nb3 $36 {[%mdl 2048] White fights for an advantage.} Bb6 21. Qh4 Re8 22. Rad1 Bd7 23. Bh3 Qg6 24. a5 Ba7 25. Rfe1 Kh8 26. Rd2 Qd6 27. Rdd1 e4 $1 28. Nd4 Re5 29. Qf4 (29. Kg2 $11) 29... Rbe8 30. c4 bxc3 $1 31. bxc3 Rxd5 32. Qxd6 (32. Qh4 $17) 32... cxd6 $19 33. Nxf5 $2 (33. Nc2 Ree5 34. Nb4) 33... Bxf5 34. Rxd5 Bxh3 35. Rxd6 e3 36. Kh1 $2 (36. fxe3 $19 Bxe3+ 37. Kh1) 36... exf2 {[%cal Rf2e1]} 37. Rxe8+ Kg7 {[%cal Rf2f1]} 38. Rd1 {[#]} Bd7 $1 39. Kg2 Bxe8 40. c4 Bc6+ 41. Kf1 Be4 42. h3 Bc5 43. g4 Kf6 44. Rd7 Ke6 {Accuracy: White = 25%, Black = 83%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.15"]
[Round "6.4"]
[White "Sevian, Samuel"]
[Black "Sarana, Alexey"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2657"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,93,33,14,-25,0,-51,25,14,19,11,13,17,13,6,22,22,7,11,0,25,45,0,0,-22,-13,-31,-38,-44,-58,-56,-50,-41,-47,-43,-21,-45,0,0,0,0,30,0,16,-15,5,11,22,29,50,34,32,47,47,45,44,46,45,47,32,19,56,54,42,55,53,8,8,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Nbd7 9. g4 b5 10. g5 Nh5 11. Qd2 Be7 12. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Bxd5 $1 13. exd5 (13. Qxd5 $11 O-O 14. Qd2) 13... O-O ({Black should try} 13... Nf4 $1 $15) 14. O-O-O $11 {White has an edge.} f6 {[%cal Rf6g5]} 15. g6 (15. gxf6 Rxf6 16. Na5 Nf4 17. Nc6 Qf8 18. Kb1 Bd8 19. c4 Bb6 20. cxb5 axb5 21. Bxb5 {1-0 (47) Dominguez Perez,L (2750)-Paravyan,D (2610) Sochi 2019}) 15... hxg6 16. Rg1 Qe8 17. Na5 f5 18. Nc6 Kh7 19. c4 bxc4 20. Bxc4 ({Reject} 20. Nxe7 Qxe7 21. Kb1 Rac8 $17) 20... Bh4 $146 ({Predecessor:} 20... Bd8 21. Qb4 {1-0 (46) Kazoks,A (2361)-Albano,A (2282) ICCF email 2014}) 21. Qg2 Qf7 22. Qh3 Bd8 23. Rd2 Bb6 24. Bxb6 $1 Nxb6 25. Bb3 $1 Kg8 $1 26. Qh4 Rfe8 27. Qb4 $1 {[%cal Rb4b6][%mdl 64] [#] Double Attack} Nc8 28. Kb1 a5 29. Qb5 $1 Nf4 30. Nxa5 Kh7 31. Nc6 Ne7 32. Rc1 e4 33. Re1 exf3 {Hoping for ...Nxc6.} 34. Nd4 Nexd5 35. Rxe8 Qxe8 36. Qxe8 Rxe8 37. Nxf3 Nf6 38. Ng5+ Kh6 39. Nf7+ {[%mdl 64] [#] Double Attack} Kh5 40. Nxd6 Ne4 41. Bd1+ Kh4 $1 42. Nxe8 Nxd2+ 43. Kc1 (43. Kc2 $5 {[%cal Rc2d2]} Nc4 44. a4 $16) 43... Nc4 {The position is equal.} 44. a4 Nd3+ 45. Kc2 Ndxb2 46. Be2 Kh3 47. Nxg7 {Accuracy: White = 65%, Black = 56%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.15"]
[Round "6.5"]
[White "Gabuzyan, Hovhannes"]
[Black "Naroditsky, Daniel"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "2616"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,74,16,38,54,58,58,61,37,62,66,74,24,39,27,34,29,40,29,27,42,85,46,64,66,52,69,120,118,121,118,113,108,125,115,131,124,193,181,237,200,238,231,221,234,208,88,94,0,1,0,0,0,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d3 d6 6. e4 Nc6 7. Nge2 e5 8. O-O Nh5 9. Be3 f5 10. exf5 {A26: English Opening vs King's Indian with ...Nc6 and d3} gxf5 {Threatening ...f4.} (10... Bxf5 11. d4 Qd7 12. d5 Ne7 13. f3 Bh3 14. Bxh3 Qxh3 15. Ne4 Qd7 16. g4 Nf6 17. N2c3 Nxe4 18. Nxe4 {1-0 (34) Bachmann,A (2632)-Berg,E (2581) Maastricht 2016}) 11. f4 Nf6 12. Kh1 {White is slightly better.} Kh8 13. Qd2 Be6 $146 ({Predecessor:} 13... Ng4 14. Bg1 Nd4 15. Rae1 Nxe2 16. Rxe2 c6 17. c5 d5 {½-½ (43) Hechl,G (2193)-Milde,L (2247) ICCF email 2015}) 14. b4 a6 15. Rab1 Qd7 16. a4 {[%cal Ba2a4,Ba4b5,Bb5b6][%mdl 32]} Rae8 17. b5 axb5 18. axb5 Nd8 19. Nd5 Ng4 20. Bg1 $1 $36 {[%mdl 2048] Black is under pressure.} Bxd5 21. cxd5 ({Reject} 21. Bxd5 e4 $17) 21... Qf7 (21... b6 $1 $14) 22. b6 c6 23. fxe5 dxe5 24. d4 e4 25. dxc6 Nxc6 26. d5 Nce5 {[#]} (26... e3 $16 27. Qd1 Nce5) 27. Nf4 $1 $18 Rd8 (27... Nc4 $142 28. Qe2 Nd6) 28. Qe2 Rfe8 29. Ne6 Rxe6 30. dxe6 Qxe6 31. Rbd1 (31. Rbc1 $18 {is more deadly.}) 31... Nd3 $16 32. Rd2 (32. h3 $16 Nf6 33. Rd2) 32... Qh6 $1 $11 {The position is equal.} 33. Rc2 e3 {[#] ...Ndf2+ is the strong threat.} 34. h3 Ndf2+ 35. Bxf2 Nxf2+ 36. Rxf2 exf2 37. Qxf2 Bd4 {Accuracy: White = 64%, Black = 67%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.16"]
[Round "7.1"]
[White "Naroditsky, Daniel"]
[Black "Sethuraman, S.P."]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2613"]
[BlackElo "2634"]
[Annotator "ChessBase"]
[PlyCount "24"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. Nf3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. g3 {[%emt 0:00:29]} Nf6 {[%emt 0:00:00]} 3. Bg2 {[%emt 0:00:07]} c5 {[%emt 0:00:00]} 4. O-O {[%emt 0:01:05]} g6 {[%emt 0:00:04]} 5. c4 {[%emt 0:00:20]} Bg7 {[%emt 0:00:10]} 6. cxd5 {[%emt 0:04:54]} Nxd5 {[%emt 0:00:17]} 7. d4 {[%emt 0:00:07]} cxd4 {[%emt 0:00:08]} 8. Nxd4 {[%emt 0:00:09]} O-O {[%emt 0:00:10]} 9. Nb5 {[%emt 0:08:59]} Be6 {[%emt 0:00:37]} 10. Nd4 {[%emt 0:01:56]} Bc8 {[%emt 0:00:24]} 11. Nb5 {[%emt 0:03:15]} Be6 {[%emt 0:00:08]} 12. Nd4 {[%emt 0:00:18]} Bc8 {[%emt 0:00:05]} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.16"]
[Round "7.2"]
[White "Sarana, Alexey"]
[Black "Gabuzyan, Hovhannes"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2664"]
[BlackElo "2616"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,71,21,37,20,25,16,35,16,25,10,36,36,41,42,86,52,49,45,56,47,97,97,101,93,120,118,107,118,114,151,129,115,141,140,151,67,239,231,233,229,262,262,292,278,289,282,306,300,323,298,470,466,643,642,914,880,840,652]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Nd5 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} Bxd5 10. exd5 Nbd7 11. Qd2 {White is slightly better.} g6 $146 ({Predecessor:} 11... Qc7 12. O-O-O Rc8 13. Kb1 g6 14. c4 Bg7 {1-0 (44) Kryvoruchko,Y (2597)-Aveskulov,V (2532) Cappelle-la-Grande 2008}) 12. O-O-O Rc8 13. Kb1 Bg7 14. Be2 Qc7 15. c4 b6 16. h4 Nc5 17. g4 Ra8 18. Qc2 a5 19. a3 a4 20. Nc1 (20. Nxc5 bxc5 21. Bg5 Qb7 $14) 20... Qd7 {[%cal Rh5g4]} 21. Rdg1 Rc8 22. Na2 Nb3 23. Nc3 {Black must now prevent g5.} Nd4 24. Qd1 O-O 25. Bd3 ({White should try} 25. Bxd4 $16 exd4 26. Ne4 (26. Nxa4 Rb8 $14) (26. Qxd4 Nxg4 27. Qd2 Qf5+ 28. Ka2 Ne5 $17)) 25... Rfe8 $2 {[#]} (25... b5 $14) 26. g5 ({Don't take} 26. Nxa4 $6 Qb7 $16) ({Inferior is} 26. Qxa4 Qxa4 27. Nxa4 Nxf3 $11) 26... Nh7 27. Nxa4 {And now Bxd4 would win.} Qd8 28. Nc3 Nf8 29. Bxd4 exd4 30. Ne4 Rc7 31. f4 Rce7 32. Qc2 Kh8 {[#]} (32... Nd7 {was necessary.} 33. Nxd6 Rf8) 33. f5 $1 $18 {[%mdl 512] White is clearly winning.} gxf5 34. Nf6 {[%mdl 64] Double Attack} Ng6 35. Qd1 Nf4 36. Rf1 {Accuracy: White = 82%, Black = 51%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.16"]
[Round "7.3"]
[White "Jumabayev, Rinat"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2641"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,95,37,35,42,47,29,41,44,50,16,0,0,30,6,29,18,25,0,13,0,50,44,50,1,0,16,16,22,37,54,51,40,51,51,52,41,46,1,18,26,27,31,20,25,30,26,25,0,0,0,0,-28,-16,-24,-17,-18,0,0,96,37,62,0,67,0,22,0,3,10,121,133,141,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Nc5 10. Qc2 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} (10. h3 Re8 11. Re1 Bd7 12. Rb1 h6 13. b4 Ne6 14. Nxe6 Bxe6 15. Nd5 a5 16. a3 axb4 17. axb4 Nxd5 18. cxd5 Bd7 19. Bb2 Bxb2 20. Rxb2 Qf6 {½-½ (30) Howell,D (2693)-Ganguly,S (2633) Astana 2019}) 10... Ng4 11. Rd1 Ne5 $146 ({Predecessor:} 11... Ne6 12. Nce2 c6 13. h3 Nxd4 14. Nxd4 Qb6 15. Nf3 Ne5 16. Rxd6 Nxf3+ 17. Bxf3 Bxh3 {1-0 (31) Muth,A-Tonn,P (2103) Moerlenbach 2004}) 12. Nce2 {White is slightly better.} Bd7 13. h3 (13. f4 $5 {[%cal Rf4e5]} Nc6 14. Be3 $11) 13... Qc8 14. Nf4 Re8 15. Kh2 Nc6 16. Be3 Nb4 17. Qb1 a5 18. Rd2 Ra6 19. Qh1 h5 20. Nfe2 a4 21. Nc3 Ra5 22. Rad1 h4 23. g4 Ne6 24. Nde2 g5 25. Qe1 a3 26. b3 Nf4 27. Nxf4 gxf4 28. Bd4 Bxd4 29. Rxd4 {Hoping for Qd2.} Nc2 30. Qd2 Nxd4 31. Qxd4 Rae5 32. Nd5 Qd8 33. Nxf4 Bc6 {[%cal Re5e4]} 34. Nh5 {[#]} Rxh5 $1 {[%mdl 512]} 35. gxh5 Qg5 36. Re1 f5 37. Rg1 Qf4+ 38. Kh1 Re5 $1 {[%cal Rf5e4]} 39. Qa7 ({White should try} 39. b4 $14 b6 40. c5 bxc5 41. Qc4+ Kf8 42. h6 Qxh6 43. Qa6) 39... Re8 (39... Kf7 $11) 40. Qd4 {And now Bf3+ would win.} Re5 $1 {[%cal Rf5e4]} 41. Qa7 Kf7 42. Qb8 Re8 (42... Bxe4 $11 43. Bxe4 (43. Qxc7+ Re7 $14) 43... Qxe4+ 44. Rg2 (44. Kh2 Qf4+ {[%mdl 64] Double Attack} 45. Kg2 Qe4+ 46. Kh2 Qf4+ {[%mdl 64] Double Attack} 47. Kg2 Re2 $11) 44... Qf3 45. Qg8+ (45. Qxc7+ Ke6 $11) 45... Ke7 46. Qg5+ {[%mdl 64] Double Attack} Kd7) 43. Qxc7+ $16 Re7 {[#]} 44. Qc8 (44. Qa5 $1 $16) 44... Bxe4 $11 {The position is equal.} 45. Bxe4 Qxe4+ 46. Rg2 {Threatens to win with Qg8+.} Qe1+ $1 47. Kh2 Qe5+ 48. Kh1 {Accuracy: White = 53%, Black = 50%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.16"]
[Round "7.4"]
[White "Erdos, Viktor"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2613"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "56"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,56,0,32,39,41,43,37,43,46,51,42,34,56,28,56,29,47,0,0,0,0,0,11,-31,-28,-18,0,-1,0,-96,-95,-89,-98,-387,-371,-417,-411,-406,-389,-414,-383,-533,-535,-965,-964,-1066,-1052,-1031,-1012]} 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 dxc4 5. e4 b5 $146 (5... Bb4 6. Bg5 c5 7. Bxc4 cxd4 8. Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bd2 O-O 11. Qe2 e5 12. Nb3 Qc7 13. O-O Bg4 14. f3 Rc8 15. Bd5 Nxd5 16. exd5 Bh5 17. c4 {1-0 (38) Carlsen,M (2845)-Aronian,L (2763) Karlsruhe/Baden Baden 2019}) 6. e5 {D24: Queen's Gambit Accepted: 3 Nf3 Nf6 4 Nc3} Nd5 7. Nxb5 Nb6 8. Be2 {White is slightly better.} Be7 9. O-O Nc6 {[%cal Bb8c6,Bc6e7,Be7g6,Bg6h4][%mdl 32]} 10. Qd2 Bb7 11. Rd1 Qd7 12. Qf4 g5 13. Nxg5 Bxg5 14. Qxg5 {d5! is the strong threat.} Ne7 $1 15. d5 $1 {[%cal Rd5e6]} Nbxd5 {Threatens to win with ...Rg8.} 16. a4 Rg8 $36 {[%mdl 2048] Black has some pressure.} 17. Qd2 a6 18. Nd4 O-O-O 19. f3 (19. Nf3 $1 $11 {remains equal.}) 19... Ng6 $1 $17 20. Bxc4 {[#]} c5 $1 {aiming for ...Nh4.} 21. Nc2 $2 {[%mdl 8192] [#]} (21. Ne2 $17 {was necessary.}) 21... Nh4 $1 $19 {[%cal Rh4f3][%mdl 64] Strongly threatening ...Nxf3+. Discovered Attack} ({Not} 21... Nxe5 22. Be2 $15) 22. Ne1 {[#]} Rxg2+ $1 {[%mdl 512]} 23. Qxg2 (23. Nxg2 Nxf3+) 23... Nxg2 24. Nxg2 Qc7 25. Bh6 Qxe5 {Black is clearly winning.} 26. Rac1 Rg8 {Hoping for ...Ne3!} 27. Bf1 Qf6 28. Rxc5+ Kb8 {Accuracy: White = 43%, Black = 77%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.16"]
[Round "7.5"]
[White "Akobian, Varuzhan"]
[Black "Oparin, Grigoriy"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2627"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "186"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,186,21,18,18,16,17,31,28,28,16,23,25,21,19,45,46,25,39,45,3,19,11,20,0,20,20,20,17,19,15,25,25,25,25,25,29,22,25,25,25,28,25,25,23,31,24,45,26,45,45,46,16,47,47,54,62,50,52,67,67,86,86,86,86,86,86,86,86,86,86,86,86,86,86,115,115,115,115,115,115,115,115,115,115,115,115,115,48,48,48,48,48,48,18,18,18,18,0,0,0,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,8,0,0,0,8,8,8,8,8,8,8,8,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 $146 ({Predecessor:} 1... Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 {½-½ (41) Nepomniachtchi,I (2704)-Andreikin,D (2718) Moscow 2012}) 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 Nbd7 7. a3 {D37: Queen's Gambit Declined: 5 Bf4} c5 8. cxd5 Nxd5 9. Nxd5 {White is slightly better.} exd5 10. dxc5 Nxc5 11. Be5 Bg4 12. Be2 Bxf3 13. Bxf3 Bf6 14. Bxf6 Qxf6 15. Qxd5 Qxb2 16. O-O Rac8 17. Rfb1 Qf6 18. Qd4 Qe7 19. a4 Rfd8 20. Qb4 b6 21. a5 Rd6 22. axb6 axb6 23. Rd1 g6 24. Rxd6 Qxd6 25. Rb1 Rb8 26. g3 Qf6 27. Kg2 Kg7 28. Qb5 h5 29. h4 Qe6 30. Rb4 Qd7 31. Qc4 Qe6 32. Bd5 Qf6 33. Qc2 {Strongly threatening Rf4.} Rf8 34. Rf4 Qe5 35. Qa2 {[%cal Rf4f7]} f5 36. Rb4 Rd8 37. Bc6 Rc8 38. Qa7+ {[%mdl 64] [#] Double Attack} ({Don't blunder} 38. Rxb6 $2 {[#]} Rxc6 $1 {[%mdl 512]} 39. Rb5 Qe4+ 40. Kh2 Ne6 $19) 38... Qc7 39. Qxc7+ Rxc7 40. Rxb6 {And now Be8 would win.} Nd7 41. Bxd7 Rxd7 $16 {[%mdl 4096] Endgame KR-KR} 42. Kf3 Rd2 43. Kf4 Kh6 44. f3 Rf2 45. Rb7 Rf1 46. Rf7 Rf2 47. Rd7 Rf1 48. Rd2 Kg7 49. e4 ({White should try} 49. Rc2 $16) 49... fxe4 $14 50. Kxe4 Ra1 51. Rd4 Ra6 52. g4 hxg4 {The position is equal.} 53. fxg4 Kf6 54. g5+ Ke6 55. Rb4 Ra1 56. Rb6+ Kf7 57. Rb4 Ke6 58. Kf4 Rf1+ 59. Kg3 Rg1+ 60. Kf2 Ra1 61. Rf4 {aiming for Rf6+.} Ke5 62. Rf3 Ra2+ 63. Kg3 Ra1 64. Re3+ Kf5 65. Rf3+ Ke5 66. Kh3 Rb1 67. Rf6 Rb3+ 68. Kg4 Rb4+ 69. Kg3 Rb3+ 70. Kf2 Rb2+ 71. Kg3 Rb3+ 72. Rf3 Rb1 73. Ra3 Ke6 74. Ra6+ Kf7 75. Rf6+ Kg7 76. Rf4 Rg1+ 77. Kf3 Rf1+ (77... Re1 {feels hotter.} 78. Rc4 Rh1 79. Kg3 Rf1 80. Rd4 Rh1) 78. Ke3 Ra1 79. Rd4 Kf7 80. Rf4+ Kg7 81. Ke4 Ra3 82. Kd5 Ra5+ 83. Kc6 Ra6+ 84. Kb7 (84. Kb5 {is more complex.} Ra1 85. Re4 Rb1+ 86. Kc6 Rc1+ 87. Kd6) 84... Ra1 85. Rc4 Kf7 86. Kc7 Ke6 87. Rf4 Ke5 88. Rf6 {Black must now prevent Kd8.} Rh1 89. Kd7 {Hoping for Ke7.} Rxh4 90. Rxg6 Kf5 91. Rg8 Rg4 92. g6 Rxg6 93. Rxg6 Kxg6 {Accuracy: White = 74%, Black = 81%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.17"]
[Round "8.1"]
[White "Sethuraman, S.P."]
[Black "Oparin, Grigoriy"]
[Result "1-0"]
[ECO "C95"]
[WhiteElo "2634"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "153"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 30,153,11,6,10,8,8,4,7,11,9,0,0,0,0,-16,-22,-8,-14,-17,-8,-8,-16,-16,-8,-12,10,0,22,11,22,13,41,36,41,33,40,35,50,52,56,49,50,50,56,36,64,22,25,10,65,56,77,78,81,76,87,81,81,74,66,76,91,66,145,145,147,152,149,150,154,156,148,151,183,181,211,217,437,412,572,567,1283,1283,1203,1211,1176,1160,29974,29974,12835,2219,1155,0,12810,621,602,594,670,574,785,782,761,721,884,841,577,1000,1067,1054,1029,980,2750,2685,2656,2609,2822,2445,12836,12837,12837,12836,7029,5628,2839,2627]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. b3 Bg7 16. d5 {[#]} Nb6 $146 {C95: Closed Ruy Lopez: Breyer Variation with 10 d4} (16... Qe7 17. c4 c6 18. Be3 Nc5 19. Qd2 a5 20. a3 a4 21. Bxc5 dxc5 22. cxb5 cxd5 23. exd5 axb3 24. Bxb3 {1-0 (33) Anand,V (2773)-Harikrishna,P (2729) Kolkata 2018}) ({Predecessor:} 16... Rc8 17. c4 c6 18. Rb1 Qc7 19. Bd3 Nc5 20. Bf1 a5 21. Bg5 b4 22. Qd2 {½-½ (34) Apicella,M (2532)-Schlosser,P (2602) Haguenau 2013}) 17. Rb1 c6 {[%cal Rc6d5]} 18. c4 Qc7 {The position is equal.} 19. Bd3 Nbd7 20. Bf1 Nc5 21. Bg5 b4 22. Qd2 a5 23. Nh2 Bc8 24. f3 h5 25. Be2 Bd7 26. Nhf1 Reb8 27. Red1 Ra6 28. dxc6 Rxc6 29. Ne3 Qa7 30. Kh2 Be6 31. Nd5 Bxd5 $1 32. cxd5 Rcc8 33. Rdc1 Nh7 34. Be3 Bf6 35. Nf1 {[%cal Bg3f1,Bf1d2,Bd2c4,Bc4b6,Bb6c8,Bc8a7,Ba7c6][%mdl 32]} Qe7 36. Rc2 Bg5 37. Rbc1 Kf8 38. Qe1 h4 39. Qf2 Qf6 (39... Kg7 $11) 40. Nd2 Bf4+ 41. Kg1 Kg7 42. Nc4 {aiming for Bxf4.} Nb7 43. Nb6 $36 {[%mdl 2048] White is in control.} Rxc2 44. Rxc2 Bxe3 45. Qxe3 {Threatens to win with Nd7.} Qe7 46. Nc8 Qe8 (46... Qd8 $14 47. Na7 Ra8) 47. Na7 $1 $16 Nc5 48. Nc6 Ra8 49. Bb5 f6 50. Qf2 Nf8 51. Qxh4 Nfd7 52. Qg4 Qf7 53. Nxa5 f5 $2 (53... Rxa5 54. Bxd7 Ra7) 54. exf5 $18 {[%mdl 64] Discovered Attack} Rxa5 55. Bxd7 $1 Qxd7 56. Qxg6+ (56. Rxc5 Qa7 $16) 56... Kf8 57. Rc4 {White wants to mate with Rg4.} e4 58. fxe4 Nd3 59. Qf6+ Kg8 {[#]} 60. Qg5+ (60. e5 $142 $1 Nxe5 61. Rh4) 60... Kf8 61. Qf6+ (61. Qh6+ $142 Kg8 62. Rc6) 61... Kg8 {[#]} 62. Qe6+ (62. e5 $142 $1 Nxe5 63. Rh4 Qa7+ 64. Kh1) 62... Qxe6 63. dxe6 {[%mdl 4096] Endgame KRN-KR} ({Weaker is} 63. fxe6 Kf8 $16) 63... Re5 64. g4 Nc5 65. Rxb4 Nxe4 66. Kg2 Kg7 67. Rb7+ Kf6 68. h4 {[%csl Ge6][%cal Rb7f7]} Ra5 69. a4 Ra8 70. Rb5 Ra7 71. g5+ Ke7 72. Kf3 Nc3 73. Rb8 d5 74. g6 Kf6 75. Rf8+ Ke5 76. Rf7 Ra8 77. g7 {Accuracy: White = 75%, Black = 44%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.17"]
[Round "8.2"]
[White "Xiong, Jeffery"]
[Black "Akobian, Varuzhan"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2712"]
[BlackElo "2627"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,5,0,-5,-9,-29,-26,-28,0,-21,-22,-14,-12,-27,22,0,0,0,0,-10,22,12,22,0,17,-13,0,0,31,31,33,25,29,27,24,26,22,22,22,31,31,32,32,32,35,22,22,22,22,22,22,0,22,0,22,25,26,20,43,43,42,45,39,46,40,35,50,8,23,6,8,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 c6 6. O-O b5 7. a4 $146 {E04: Open Catalan: 5 Nf3} ({Predecessor:} 7. Ne5 Bb7 8. a4 a6 9. b3 cxb3 10. Qxb3 Be7 11. Rd1 O-O 12. Nc3 Nd5 13. Ne4 {0-1 (31) Hoeffer,D (2276)-Buhmann,R (2601) Verden/Aller 2014}) 7... Bb7 8. b3 cxb3 9. Qxb3 {Black has an edge.} a6 10. Nc3 {[%cal Bb1c3,Bc3e4,Be4c5][%mdl 32]} Be7 11. Rd1 Nbd7 12. Ne5 Nd5 (12... b4 {keeps more tension.} 13. Bg5 a5 14. Nb5 Nb8 15. Rac1 Ra6) 13. Ne4 O-O 14. Nxd7 Qxd7 15. Nc5 Qc8 (15... Bxc5 $5 16. dxc5 Qe7 $11) 16. Ba3 Re8 17. Rac1 Qc7 18. Rc2 Rab8 19. Rdc1 b4 20. Bxb4 Bc8 21. Ba5 Rxb3 22. Bxc7 Rb4 23. Ba5 Bxc5 $1 24. Rxc5 Rxa4 25. e3 Bd7 26. Rb1 {[%mdl 1024] White has compensation.} f5 27. Bf3 Ra8 28. h4 h6 29. Bh5 Ra2 30. Bd1 Ra3 31. Bf3 Ra2 32. Bd1 Ra3 33. Bc2 Ra2 34. Kf1 g5 35. hxg5 hxg5 36. g4 Rf8 37. gxf5 exf5 38. Bb3 {[%mdl 64] [#] Double Attack} Ra3 39. Bc4 Kg7 40. Kg1 Kg6 {The position is equal.} 41. Bxd5 cxd5 42. Rxd5 {[#] Strongly threatening Bb4.} Bc6 43. Rd6+ Rf6 44. Rxf6+ {Accuracy: White = 44%, Black = 78%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.17"]
[Round "8.3"]
[White "Sevian, Samuel"]
[Black "Erdos, Viktor"]
[Result "1/2-1/2"]
[ECO "C92"]
[WhiteElo "2657"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 31,81,25,33,10,20,0,0,13,28,24,29,51,56,-55,-7,-29,-13,-77,-66,-70,-86,-64,-80,-73,-63,-76,18,17,9,15,15,14,10,25,16,16,16,-175,-174,-169,-151,-156,-161,-165,-147,-140,-92,-112,0,0,0,-90]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. Ng5 Rf8 11. Nf3 Re8 12. d4 Bb7 13. Ng5 Rf8 14. Nf3 Re8 15. Nbd2 Bf8 16. a3 h6 17. d5 {C93: Closed Ruy Lopez: Smyslov Variation} (17. Bc2 Nb8 18. b4 Nbd7 19. Bb2 Nb6 20. dxe5 dxe5 21. c4 bxc4 22. Nxe5 c5 23. Ndxc4 Nxc4 24. Nxc4 cxb4 25. e5 Qxd1 26. Rexd1 bxa3 27. Bxa3 {½-½ (67) Shankland,S (2705)-Ding,L (2811) chess.com INT 2019}) 17... Na5 18. Ba2 c6 $1 19. b4 cxd5 20. bxa5 $146 ({Predecessor:} 20. exd5 Nc4 21. Nxc4 bxc4 22. Bxc4 Rc8 23. Qb3 Qc7 24. Nd2 {½-½ (58) Penna,P (2205)-Scacco,M (2059) IECG email 1999}) 20... dxe4 21. Nh2 $1 d5 22. Nb3 (22. Ng4 $14) 22... Qc7 {[%mdl 1024] Black has compensation.} 23. Bb2 Rad8 24. Qe2 (24. Ng4 $11 {keeps the balance.}) 24... g6 $17 25. Rad1 Nh5 26. Qe3 Nf4 27. Ng4 {Strongly threatening Nf6+.} Re6 28. c4 dxc4 (28... bxc4 $17 29. Bxe5 Rxe5 30. Qxf4 {[%mdl 64] Pin} cxb3 31. Bxb3 Re7 32. Qxc7 Rxc7 33. Nf6+ Kg7 34. Nxd5 Rcd7) 29. Bxe5 $1 $11 Rxe5 30. Qxf4 {[%mdl 64] [#] Pin} Rxd1 31. Rxd1 Re7 32. Nf6+ Kh8 33. Qxc7 Rxc7 34. Rd8 $2 (34. Na1 $1 $11 {and White is okay.}) 34... cxb3 $19 35. Bxb3 Rc8 ({Don't do} 35... Rc1+ 36. Kh2 $15) 36. Rd7 Rc1+ 37. Kh2 Rc7 38. Rd8 Rc8 39. Rd7 {[%mdl 64] [#] Double Attack} Rc7 (39... Bc6 $17 40. Rxf7 Bd6+ 41. Kg1 Rc7) 40. Rd8 $11 Rc8 ({Black should play} 40... e3 $11 41. fxe3 Rc8) 41. Rd7 $1 {[%mdl 64] Double Attack. Accuracy: White = 48%, Black = 63%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.17"]
[Round "8.4"]
[White "Gabuzyan, Hovhannes"]
[Black "Jumabayev, Rinat"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "2616"]
[BlackElo "2641"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,-11,-14,-12,-11,-11,-10,-8,-4,-14,-6,-2,6,2,38,11,23,-14,0,0,0,0,0,8,27,13,21,0,0,-5,-16,-17,0,0,0,0,0,0,0,-14,0,0,0,-44,0,0,0,0,0,0,0,-2,-8,-8,-6,-8,0,0,0,-8,0,0,101,128,216,173,513,393,5636,5102,29978,29978,29983,29984,29985,29986,29986,29987,29995,29996]} 1. c4 e5 2. a3 Nf6 3. d3 a5 4. Bg5 $146 ({Predecessor:} 4. Nf3 Nc6 5. b3 d5 6. cxd5 Nxd5 7. Bb2 f6 8. g3 Be6 9. Bg2 Qd7 10. Nbd2 Be7 {½-½ (50) Fedoseev,V (2719)-Jumabayev,R (2602) St Petersburg 2018}) 4... h6 5. Bxf6 Qxf6 6. Nc3 {A20: English Opening: 1...e5} g6 7. g3 Bg7 8. Bg2 {The position is equal.} O-O 9. e3 c6 10. Nge2 Qe7 11. O-O f5 12. Qd2 d6 13. Rab1 Be6 14. b4 axb4 15. axb4 Nd7 16. b5 Rfc8 17. bxc6 bxc6 18. Rb7 Qd8 19. Rfb1 Ra6 20. h4 Nc5 21. R7b4 d5 22. cxd5 cxd5 23. Nb5 Nd7 24. d4 e4 25. Nf4 Bf7 26. Bf1 g5 (26... Bf8 {with more complications.} 27. R4b3 g5 28. Nc3 Rd6 29. Ng2 Be7) 27. hxg5 hxg5 28. Nxd5 Bxd5 29. Nc3 {[#]} Rxc3 $1 30. Qxc3 Rc6 31. Bc4 $132 {[%mdl 2048] White is not keeping still} Kh7 {aiming for ...Qc8.} 32. Qb3 $1 Rxc4 33. Rxc4 Nf6 34. Rbc1 Kg6 35. Qb5 {Black must now prevent Rc8.} f4 (35... Bxc4 $11 36. Qxc4 Qd7) 36. Rc8 $1 $16 {[%cal Rc8d8]} (36. exf4 gxf4 37. gxf4 Qd6 $11) 36... Qe7 {[#]} (36... Qd6 $16) 37. R1c5 $1 $18 {[%cal Rc5d5]} (37. exf4 gxf4 38. gxf4 Bh6 $16) 37... Qa7 $2 (37... fxe3 38. Rxd5 exf2+ 39. Kf1 (39. Kxf2 Nxd5 40. Qxd5 Qf6+ 41. Kg1 Qxd4+ 42. Qxd4 Bxd4+ 43. Kg2 Kf5 $11) 39... Nxd5 40. Qxd5 e3 41. Rc6+ Bf6) 38. gxf4 ({Weaker is} 38. Rxd5 Qa1+ 39. Qf1 Qxf1+ 40. Kxf1 Nxd5 $11) 38... gxf4 $2 (38... Qf7 39. Qf1 Nd7) 39. Rxd5 Qa1+ 40. Kh2 {White mates.} Ng4+ 41. Kg2 f3+ {[#]} 42. Kg3 $1 (42. Kh3 {is a self mate.} Nxf2+ 43. Kh4 Qh1+ 44. Kg3 Qg2+ 45. Kh4 Qh3#) 42... Qg1+ 43. Kf4 Bh6+ {[#]} 44. Rg5+ $1 {[%mdl 64] Double Attack. Accuracy: White = 71%, Black = 35%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.17"]
[Round "8.5"]
[White "Naroditsky, Daniel"]
[Black "Sarana, Alexey"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2613"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "130"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,130,0,0,-14,-18,-12,-22,-19,0,0,0,0,6,-12,0,0,0,0,0,-24,-27,-31,-22,-50,-22,-31,-16,-39,0,0,0,-7,-3,-5,0,0,0,0,0,0,0,0,0,-5,-12,-30,-23,-47,-54,-42,-27,-60,-57,-31,0,-54,-50,-89,-86,-62,0,0,0,-91,-89,-86,-83,-108,-112,-201,-210,-206,-213,-203,-202,-207,-215,-208,-168,-243,-225,-291,-244,-313,-314,-304,-305,-376,-375,-472,-483,-12833,-12834,-12834,-12835,-12837,-12838,-12850,-27999,-12851,-12851,-12851,-27999,-12851,-27999,-12851,-27999,-12851,-12851,-12851,-27999,-12851,-29974,-12851,-29969,-12851,-27999,-12851,-29975]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 g6 4. O-O Bg7 5. d4 c6 6. c3 O-O 7. Bf4 Nbd7 8. Ne5 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} (8. Qc1 Re8 9. c4 dxc4 10. Qxc4 Nb6 11. Qc1 Bg4 12. Rd1 Qc8 13. Nc3 Nfd5 14. Bh6 Nxc3 15. bxc3 Nc4 {½-½ (34) Malakhov,V (2686)-Vitiugov,N (2722) St Petersburg 2017}) 8... Nh5 9. Nxd7 Qxd7 10. Bc1 $146 {The position is equal.} ({Predecessor:} 10. Be3 Re8 11. Qd2 Nf6 12. Bf4 Nh5 13. Be3 Nf6 {½-½ (13) Supancic,D (2297)-Kreisl,R (2427) Austria 2017}) 10... e5 11. dxe5 Bxe5 12. Nd2 Bg7 13. Qc2 Re8 14. e4 Nf6 15. exd5 Nxd5 16. Nc4 Qe7 17. Ne3 Nf6 18. Rd1 Be6 19. Bd2 h5 20. h3 a5 21. c4 Nd7 22. Bc3 Bxc3 23. Qxc3 Qf6 24. Rd4 Qe5 25. Rad1 Nf8 26. f4 Qc5 27. Kh2 Re7 28. Re4 Rae8 29. Re5 Qb4 30. Qc2 f6 31. Re4 Qc5 (31... h4 {is more complex.} 32. gxh4 Qc5 33. Qd2 Bxh3 34. Rxe7 Rxe7 35. Nd5 cxd5 36. Kxh3 Re3+) 32. Qc3 Bxh3 33. Rxe7 Rxe7 34. Kxh3 ({White should try} 34. Nd5 $1 $11 cxd5 35. Kxh3) 34... Qxe3 $15 35. Qxf6 h4 $1 $36 {[%csl Gh4][%cal Re3g3][%mdl 2048] Black has strong initiative.} 36. Qc3 hxg3 (36... Qe6+ $15 37. g4 Qe2) 37. Qxe3 $11 Rxe3 $15 {[%mdl 4096] Endgame KRB-KRN} 38. Rd2 (38. Rd8 $1 $11 {remains equal.}) 38... Kf7 $17 39. Kg4 {[#]} Kf6 $1 40. Bf3 Ne6 41. Rg2 (41. Rd6 $17) 41... Rd3 $19 42. b3 Rd4 43. Kxg3 Nxf4 ({Don't do} 43... Rxf4 44. Bg4 $17) 44. Rh2 Ne6 45. Rb2 Nc5 46. Be2 (46. Rf2 $142) 46... g5 47. a3 Rf4 48. Bf3 a4 {[%mdl 64] Overworked Piece} 49. bxa4 Rxc4 50. Bd1 Rd4 51. Rf2+ Ke5 {Threatens to win with ...Ne4+.} 52. Bc2 (52. Rf1 $142 Ne4+ 53. Kg2) 52... Ne4+ 53. Bxe4 Rxe4 {KR-KR} (53... Kxe4 $2 54. Rf7 $19) 54. Rb2 Rxa4 55. Rxb7 Rxa3+ 56. Kf2 g4 57. Rg7 {[#]} g3+ $1 58. Ke2 (58. Rxg3 Rxg3) 58... Ra2+ 59. Ke3 Ra3+ 60. Ke2 Kf4 61. Rc7 Ra2+ 62. Kf1 Rc2 (62... g2+ $19 63. Kg1 Kf3 64. Rf7+ Ke4) 63. Rf7+ Ke5 64. Rg7 g2+ 65. Kg1 c5 {Accuracy: White = 40%, Black = 73%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.18"]
[Round "9.1"]
[White "Sarana, Alexey"]
[Black "Sethuraman, S.P."]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2664"]
[BlackElo "2634"]
[Annotator "TA"]
[PlyCount "126"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,126,36,28,29,45,43,43,4,31,38,35,29,31,34,33,29,29,29,41,31,43,14,52,52,52,52,57,42,54,38,48,37,47,48,57,45,44,51,57,56,60,54,54,54,54,54,54,54,53,53,62,54,52,52,52,38,39,39,79,79,79,79,79,79,79,73,79,60,79,60,60,58,79,79,79,79,79,79,79,79,90,90,145,145,145,145,241,241,239,232,322,209,322,270,384,371,356,354,352,333,594,629,629,616,533]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d3 Bd6 13. Re1 {C89: Closed Ruy Lopez: Marshall Attack} Qh4 14. g3 Qh3 15. Qf3 {White is slightly better.} Bf5 16. Be3 Bxd3 17. Nd2 Bf5 {[#]} 18. Bxd5 $146 ({Predecessor:} 18. Bd4 Rfe8 19. a4 Bg4 20. Qg2 Qh5 21. f3 Be6 22. Ne4 {½-½ (69) Inarkiev,E (2693)-Tomashevsky,E (2718) Mali Losinj 2019}) 18... cxd5 19. Qxd5 Rfd8 20. Qg2 Qxg2+ 21. Kxg2 b4 22. Bd4 bxc3 23. Bxc3 Be6 24. Ne4 Bf8 25. a3 h6 26. Re3 Rac8 27. Rae1 Rc6 28. f3 Be7 29. h4 Rd5 30. R1e2 h5 31. Nf2 Bc5 32. Re5 Rxe5 33. Rxe5 Bxa3 34. Rxh5 Be7 35. Ra5 Bc4 36. Ra4 f6 37. Ng4 Kf7 38. h5 Bb5 39. Rf4 {And now Ne5+ would win.} Re6 40. h6 {Hoping for h7.} gxh6 41. Nxh6+ Kg6 {[#]} 42. Nf5 $1 {[%cal Rf5e7]} Bd6 43. Nxd6 Rxd6 $16 {[%mdl 4096] Endgame KRB-KRB} 44. Re4 Bc6 45. Rc4 Re6 46. Kf2 Bb5 47. Rg4+ Kf7 48. Rf4 Kg6 49. g4 Rd6 50. Kg3 Bd7 51. Re4 Bc6 52. Rc4 Bd7 (52... f5 $142) 53. f4 Rd3+ 54. Kh4 Rd1 (54... Bb5 $16 55. Rc8 Kf7) 55. f5+ $18 Kf7 56. Rc7 Rh1+ 57. Kg3 Rg1+ (57... Rd1 $142 58. Ra7 Rd6) 58. Kf4 Rf1+ (58... Rd1 {was necessary.} 59. Ke4 Rd6) 59. Ke3 Rd1 60. Ra7 Rd6 {[#]} 61. Bb4 $1 {[%cal Rb4d6]} Rd5 $2 (61... Rd1 {might work better.} 62. Bc5 (62. Rxa6 Rg1 $18) 62... Ke8) 62. Rxa6 Bb5 63. Rb6 Re5+ {Accuracy: White = 74%, Black = 60%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.18"]
[Round "9.2"]
[White "Jumabayev, Rinat"]
[Black "Naroditsky, Daniel"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "2641"]
[BlackElo "2613"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,28,41,40,58,53,52,45,44,46,54,32,54,41,72,70,70,72,68,74,50,55,60,51,82,56,60,61,51,47,68,86,76,49,45,52,64,70,49,-248,-240,-259,-260,-250,-257,-291,-290,-261,-186,-222,-227,-343,-343,-321,-330,-394,-381,-377,-381,-369,-358,-489,-479,-493,-485,-470,-458]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. O-O c6 7. Nc3 Bf5 8. Ng5 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6} h6 (8... e5 9. d5 a5 10. e4 Bg4 11. Qb3 Na6 12. Be3 cxd5 13. cxd5 Nd7 14. Ne6 fxe6 15. dxe6 Nac5 {1-0 (48) Jumabayev,R (2630)-Berkes,F (2666) Khanty-Mansiysk 2019}) 9. e4 Bg4 10. Nf3 {White is slightly better.} e5 11. d5 cxd5 $146 ({Predecessor:} 11... c5 12. h3 Bd7 13. Qe2 Na6 14. a3 Nc7 15. b4 b6 {1-0 (42) Rambaldi,F (2347)-Xia,J (2287) Civitanova Marche 2013}) 12. cxd5 Na6 13. Be3 Qd7 14. Qd2 Kh7 15. Ne1 Bh3 16. Bxh3 Qxh3 17. f3 Qd7 18. Nd3 Rfc8 19. Rfc1 Ne8 20. Qf2 f5 21. Bxa7 b5 22. Be3 Nf6 23. Qg2 fxe4 24. fxe4 Ng4 25. Qh3 {[#] Threatens to win with Nf2.} Rc7 26. Nf2 $2 {[%mdl 8192]} (26. Re1 $14) 26... Nxe3 $19 27. Qxd7 Rxd7 28. Nxb5 Nb4 29. Rc3 Nec2 30. Rc1 Ra5 ({But not} 30... Rxa2 31. R3xc2 Nxc2 32. Rxc2 $17) ({Don't do} 30... Nxa2 31. R1xc2 Nxc3 32. bxc3 $17) 31. a4 {Rc4 would now be nice for White.} Nd4 {White must now prevent ...Ne2+.} ({Don't play} 31... Rxa4 32. R3xc2 Nxc2 33. Rxc2) 32. Nxd4 (32. Rc7 $142 Rxc7 33. Rxc7 Nxb5 34. axb5) 32... exd4 33. Rc4 Rb7 34. Ra1 d3 35. Ra3 d2 36. Nd1 Na6 37. Kf1 Bxb2 {Black is clearly winning.} 38. Rf3 Nc5 39. Ke2 Rxa4 {Accuracy: White = 58%, Black = 73%.} 0-1

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.18"]
[Round "9.3"]
[White "Erdos, Viktor"]
[Black "Gabuzyan, Hovhannes"]
[Result "1-0"]
[ECO "A61"]
[WhiteElo "2613"]
[BlackElo "2616"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,93,39,54,54,54,52,53,58,50,56,54,31,27,16,8,9,24,0,50,51,52,51,54,24,52,52,114,93,120,91,102,97,96,42,46,37,37,36,23,0,13,7,45,0,102,80,80,89,95,91,83,89,133,99,715,718,718,711,715,713,647,514,1642,1583,1426,1379,1337,921,29967,29968,29966,29965,29964,29963]} 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Na6 10. O-O Ne8 11. Nc4 f5 12. Bf4 {A73: Modern Benoni: Classical: Unusual Black 9th moves} (12. Re1 Rb8 13. a4 Nb4 14. Bf1 fxe4 15. Nxe4 Bf5 16. Bd2 Bd4 17. Bc3 Bxe4 18. Rxe4 Bxf2+ 19. Kh1 Qg5 {½-½ (30) Timman,J (2588)-Bacrot,E (2709) Antwerp 2009}) 12... fxe4 13. Qd2 Qe7 $146 ({Predecessor:} 13... Bxc3 14. bxc3 Nac7 15. Bg5 Qd7 16. f3 e3 17. Nxe3 b5 18. f4 Qg7 19. f5 gxf5 {1-0 (33) Cernousek,L (2468)-Povah,N (2310) Caleta 2018}) 14. Rae1 {White is slightly better.} Nac7 15. Bg5 e3 16. Bxe7 exd2 17. Rd1 Bxc3 18. Bxf8 Kxf8 19. bxc3 Nb5 20. Rxd2 {Strongly threatening Rc1.} Nxc3 21. Rc1 Nb5 22. Na5 Nd4 23. Bf1 Nf6 (23... Nf5 $14) 24. Re1 b6 25. Nc6 Nf5 26. f3 Bd7 27. g4 ({Better is} 27. Ba6 $16) 27... Bxc6 $1 $14 28. dxc6 Nd4 29. Rxd4 cxd4 {[%mdl 4096] Endgame KRB-KRN} 30. Re6 Ne8 $1 31. f4 Rd8 32. f5 {[%mdl 1024] White has compensation.} Nc7 {[#]} (32... gxf5 $11 33. gxf5 Nc7) 33. Rf6+ $1 $16 Ke7 34. g5 Rg8 35. h4 gxf5 36. Bd3 Rf8 37. Rxf5 Rxf5 $4 {[%mdl 8192]} (37... Rc8 $16) 38. Bxf5 {KB-KN} h6 39. gxh6 {[#] Black must now prevent h7.} Kf6 40. h7 Kg7 41. Kf2 b5 (41... a5 $142 42. Ke2 Na6) 42. Ke2 $18 a5 43. Kd3 a4 44. Kxd4 b4 45. Kc4 {White mates.} b3 46. a3 b2 47. Kc3 {Accuracy: White = 71%, Black = 42%.} 1-0

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.18"]
[Round "9.4"]
[White "Akobian, Varuzhan"]
[Black "Sevian, Samuel"]
[Result "1/2-1/2"]
[ECO "E35"]
[WhiteElo "2627"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,9,0,0,-5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,0,0,0,0,0,0,8,0,14,0,9,0,0,0,12]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 6. Bg5 h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 O-O 10. e3 Bf5 11. Nf3 {The position is equal.} Rc8 {E35: Nimzo-Indian: Classical: 4...d5 5 cxd5 exd5} 12. Bd3 Bxd3 13. Qxd3 Nd7 14. O-O {[#]} a5 $146 ({Predecessor:} 14... c6 15. b4 a6 16. Rfc1 b5 17. Qc3 Nb6 18. Ne5 Nc4 19. a4 {½-½ (37) Andreikin,D (2736)-Giri,A (2767) Novi Sad 2016}) 15. Qb5 Qd6 16. Rfc1 Ra7 17. a4 c6 18. Qb3 Qe7 19. Ne1 Nf6 {[%cal Bd7f6,Bf6e4,Be4d6,Bd6c4][%mdl 32]} 20. Nd3 Ne4 21. Nc5 Nd6 22. Qb6 Rca8 23. Rc3 h5 24. Re1 h4 25. h3 Nc4 (25... Nc8 $5 26. Qb3 $8 Nd6 $11) 26. Qb3 Qf6 27. Nd7 Qd8 28. Nc5 Qf6 29. Nd7 Qd6 30. Nc5 Qf6 {Accuracy: White = 70%, Black = 84%.} 1/2-1/2

[Event "Winter Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.11.18"]
[Round "9.5"]
[White "Oparin, Grigoriy"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2657"]
[BlackElo "2712"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.11.10"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,76,15,13,18,14,0,0,0,0,-5,0,-21,0,11,9,11,16,16,10,11,19,14,7,13,10,0,17,24,25,0,0,0,21,-10,-8,-8,-5,0,-2,-12,0,0,20,22,20,20,20,20,20,20,23,17,18,18,18,14,21,14,21,14,22,14,27,29,33]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. Qa4 Nbd7 8. cxd5 {D78: Fianchetto Grünfeld: 6 0-0 c6} Nb6 9. Qb3 Qxd5 10. Qb4 {The position is equal.} (10. Qxd5 Nbxd5 11. Nbd2 a5 12. Nc4 a4 13. Rd1 Bf5 14. Bd2 Ne4 15. Be1 Nd6 {½-½ (33) Rakhmanov,A (2606)-Cheparinov,I (2670) Linares 2019}) 10... Qd6 11. Qe1 $146 ({Predecessor:} 11. Qa5 Nbd5 12. Nc3 Bf5 13. a3 Ne4 14. Nxd5 cxd5 15. Bf4 Qd8 {½-½ (50) Pogonina,N (2465)-Lagno,K (2556) Khanty-Mansiysk 2018}) 11... Bg4 12. Nbd2 Nfd7 13. a4 Bxf3 14. Nxf3 e5 15. a5 {[#] Black must now prevent dxe5.} Nd5 $1 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. e4 Rfe8 19. Ra4 Rad8 20. f4 Qe7 21. Kh1 Qc5 22. Qe2 Bd4 23. Qc4 Ne3 24. Bxe3 Bxe3 25. Qxc5 Bxc5 26. Rc4 Bd4 27. e5 Re7 28. Rd1 Bb6 29. Rxd8+ Bxd8 $11 {[%mdl 4096] Endgame KRB-KRB} 30. a6 bxa6 31. Bxc6 Kg7 32. Kg2 f6 33. exf6+ Kxf6 34. Be4 Bb6 35. Kf3 Rc7 36. Bc6 Ke6 {[#] Strongly threatening ...Kd6.} 37. Re4+ Kd6 38. Ba4 Re7 {Accuracy: White = 74%, Black = 51%.} 1/2-1/2

