[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.18"]
[Round "1.1"]
[White "Jones, Gawain C B"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2709"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,15,10,13,9,14,19,0,19,3,6,0,0,0,0,0,0,0,0,0,0,0,0,-10,0,0,-16,-10,31,31,30,29,37,8,12,0,37,37,37,37,37,37,37,37,37,51,43,0,0,0,0,0,0,-34,-34,-20,-11,-45,-37,-46,-22,-14,0,0,0,0,0,0,0,-15,-15,-39,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 {B12: Caro-Kann: Advance Variation} Qa5+ (6... e6 7. Bg5 Be7 8. Nf3 Nh6 9. Nbd2 Nf5 10. Nf1 Qa5+ 11. c3 Qa6 12. Qd2 Nd7 13. Ng3 Nxg3 14. fxg3 f6 {½-½ (72) Inarkiev,E (2693)-Tomashevsky,E (2705) St Petersburg 2018}) 7. Nd2 {With the idea e6!} e6 8. Ngf3 Nh6 9. O-O Nf5 10. Nb3 Qa6 11. Qd1 Nd7 12. Bf4 $146 ({Predecessor:} 12. Re1 Be7 {½-½ (29) Nataf,I (2535)-Godard,M (2329) Chartres 2017}) 12... Be7 13. g3 Rc8 14. c3 c5 15. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Qb6 16. Ra2 a6 17. dxc5 Bxc5 18. Kg2 Nf8 19. a5 Qb5 20. Nxc5 Rxc5 21. Re1 Ng6 22. Be3 Rc8 23. Bb6 Nge7 24. Nd4 Qd7 25. Ra3 Rc4 26. Qf3 Qc8 27. Rd1 g6 28. b4 O-O 29. Bc5 Re8 30. Bxe7 Nxe7 31. Rb3 Nc6 32. Qe3 Qc7 33. Re1 Rc8 34. Qf4 Nxd4 35. cxd4 Rc3 36. Re3 Rc1 37. Rf3 Rf8 38. g4 hxg4 39. Qxg4 {Hoping for h5.} Qc4 {aiming for ...Rd1.} 40. Rfd3 {next h5 is good for White.} Ra1 {White must now prevent ...Qc1.} (40... Re1 $5 {[%cal Rc4c1]} 41. Qg5 Qc2 $15) 41. Qf4 {The position is equal.} Qc2 42. Qe3 Kg7 {[#] White should prevent ...Rh8.} 43. h5 $1 {[%mdl 512]} Rh8 (43... gxh5 44. Qg5+) 44. Qf4 Qe2 ({Wrong is} 44... Rxh5 $2 45. Rbc3 $18) 45. Qf6+ Kg8 46. Qd8+ {[#]} Kg7 $1 {[%mdl 512] ( -> ...Qf1+)} 47. Qf6+ Kg8 48. Qd8+ {Accuracy: White = 69%, Black = 73%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.18"]
[Round "1.2"]
[White "Shankland, Sam"]
[Black "Howell, David W L"]
[Result "0-1"]
[ECO "C67"]
[WhiteElo "2717"]
[BlackElo "2692"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,170,29,0,1,0,0,0,0,0,0,0,0,-12,-14,-15,0,0,0,-20,-15,-16,0,0,0,-22,0,-46,0,-12,0,-44,-67,-86,-2,-39,-36,-70,-74,-67,-66,-71,-57,-68,-67,-108,-115,-115,-114,-118,-93,-93,-93,-84,-92,-88,-85,-87,-81,-89,-74,-95,-98,-129,-120,-96,0,-118,-110,-118,-111,-111,-111,-136,-139,-136,-139,-192,-184,-181,-173,-173,-183,-197,-197,-194,-180,-260,-211,-305,-305,-305,-305,-304,-293,-299,-299,-293,-290,-295,-285,-270,-226,-335,-335,-327,-322,-283,0,-319,-303,-352,-264,-351,-328,-374,-393,-401,-364,-480,-484,-463,-414,-495,-492,-497,-493,-485,-468,-414,0,-457,-455,-654,-447,-1016,-489,-481,-481,-1231,-1207,-1900,-1716,-1263,0,-1721,-1429,-1356,-1325,-757,0,-632,-404,-1235,-1254,-1116,-1058]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 Bd7 {C67: Ruy Lopez: Berlin Defence: 4 0-0 Nxe4} 10. Rd1 Kc8 11. g4 {Black must now prevent Rxd7.} Ne7 {The position is equal.} 12. Ng5 Be8 13. f4 h6 14. Ne4 b6 15. c4 h5 16. Kf2 Ng6 17. Nbc3 {[#]} Be7 $146 18. b3 Bd7 19. Kg3 $1 Bh4+ 20. Kf3 Be7 21. Nf2 hxg4+ 22. hxg4 f5 23. exf6 Bxf6 24. Bb2 c5 ({Black should play} 24... Nh4+ $1 $17 25. Ke2 Re8+ 26. Kf1 Re3) 25. Rd2 Rf8 $1 $36 {[%mdl 2048] Black is pushing.} 26. f5 Nh4+ $1 27. Kg3 Be5+ $1 28. Kxh4 Bf4 $1 {[%cal Rf8h8]} 29. Kh3 Bxd2 30. Nce4 Bh6 31. Rd1 Bc6 32. g5 Rxf5 33. gxh6 gxh6 34. Kg4 Rf7 35. Nf6 Kb7 36. Rd2 Rg7+ 37. Kf4 Rg2 38. Be5 Rf8 39. Ke3 Rg5 40. Kf4 Rg6 {Played: Rg5-g2} 0-1

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.18"]
[Round "1.3"]
[White "Swiercz, Dariusz"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "C65"]
[WhiteElo "2667"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,53,2,0,0,0,0,0,0,0,0,0,0,0,0,-29,-10,-14,-12,-27,-20,-53,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O ({Predecessor:} 5... d6 6. O-O O-O {½-½ (45) Ismagambetov,A (2545)-Sevian,S (2642) Astana 2019}) 6. Nbd2 d6 7. O-O Ne7 {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} 8. d4 exd4 9. cxd4 Bb6 10. Re1 Bg4 11. h3 $146 (11. Qb3 d5 12. e5 Nd7 13. h3 Bh5 14. Qd1 f6 15. e6 {½-½ (35) Vachier Lagrave,M (2780)-So,W (2754) Abidjan 2019}) 11... Bh5 12. a4 a6 13. Bf1 Nc6 14. a5 Bxf3 15. Nxf3 Bxa5 16. Re2 {Black must now prevent d5.} d5 (16... Bb6 $1 $15) 17. Bg5 {Hoping for e5.The position is equal.} dxe4 {[#]} 18. Rxe4 $1 {[%mdl 512]} Bb6 (18... Nxe4 19. Bxd8) 19. Rh4 $1 {next Bd3 is good for White.} Qd6 20. Bc4 Rad8 {[%cal Rc6d4]} 21. Qc2 {Bxf6 would kill now.} ({Much weaker is} 21. Bxf6 Qxf6 22. g3 Nxd4 $19) 21... g6 {[%cal Rc6d4]} 22. Rd1 Rd7 23. Bf4 Qe7 $1 {[%cal Rc6d4]} 24. Bg5 Qd6 $1 25. Bf4 Qe7 $1 {[%cal Rc6d4]} 26. Bg5 Qd6 $1 27. Bf4 {Accuracy: White = 76%, Black = 90%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.19"]
[Round "2.1"]
[White "Xiong, Jeffery"]
[Black "Le, Quang Liem"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "2684"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,12,7,-2,12,0,33,28,33,33,30,22,18,18,35,32,33,20,87,81,85,55,70,48,81,81,80,75,75,75,73,81,90,92,104,83,109,109,108,106,105,106,296,297,394,402,352,241,273,245,539,405,398,392,389,307,304,331,297,302,333,330,472,470,455,439,485,463,1077,1495,1225,1143,29978,29979,29976,29975]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (6. Bg5 h6 7. Bh4 O-O 8. e3 Bf5 9. Qb3 Bxc3+ 10. Qxc3 Nbd7 11. Bd3 Bxd3 12. Qxd3 c6 13. O-O a5 14. Rac1 Re8 15. Rc2 {½-½ (30) Topalov,V (2740)-Karjakin,S (2752) Abidjan 2019}) 6... Nc6 7. Rc1 O-O 8. e3 {White is slightly better.} Ne7 $146 ({Predecessor:} 8... Nh5 9. Be2 Nxf4 10. exf4 Re8 11. O-O Ne7 12. Qb3 Bxc3 13. Rxc3 c6 {1-0 (54) Klein,D (1524)-Boucher,F (1148) Montigny le Bretonneux 2018}) 9. Qb3 a5 10. a3 Bxc3+ 11. bxc3 a4 12. Qb2 Ne4 13. Nd2 c6 (13... Ng6 $11) 14. Nxe4 $16 dxe4 15. Bg3 Nf5 16. Be2 g6 17. Bf4 g5 {[#]} 18. Be5 $1 f6 19. Bg3 Kg7 20. c4 Qe7 21. Rb1 Qf7 22. Qb6 Re8 23. h4 Nxg3 24. fxg3 Ra6 25. Qc5 Qc7 $2 (25... Qe7 $16) 26. hxg5 $18 Ra5 27. gxf6+ Kxf6 28. Qb4 Rf5 29. g4 ({Less strong is} 29. Qxa4 Kg7 $14) 29... Qg3+ $2 (29... Rg5 30. O-O+ (30. Qxa4 Kg7 $16) 30... Kg7) 30. Kd1 {Played: Ke1-d2} 1-0

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.19"]
[Round "2.2"]
[White "Howell, David W L"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2692"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,75,0,0,0,-6,5,0,0,0,0,6,25,17,27,33,31,0,0,0,0,0,0,0,35,21,26,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,-6,-8,11,0,0,0,0,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nb6 7. d3 Be7 8. a3 O-O 9. Nbd2 a5 10. b3 Be6 11. Bb2 f6 12. Qc2 Qd7 {A20: English Opening: 1...e5} 13. Rfd1 (13. Nc4 Rfd8 14. Rfc1 Qe8 15. Nxb6 cxb6 16. Nd2 Rac8 17. a4 Bc5 18. Qd1 h5 19. Nc4 Qe7 20. e3 {0-1 (32) Gordievsky,D (2622)-Vidit,S (2718) Wijk aan Zee 2018}) 13... Rfd8 14. Rac1 Qe8 15. e3 Qf8 16. Ra1 Rd7 17. d4 exd4 18. Nxd4 $146 ({Predecessor:} 18. exd4 Qf7 19. Rac1 a4 20. b4 {1-0 (56) Moreno Ruiz,J (2459)-Gallego Jimenez,V (2421) Madrid 2009}) 18... Nxd4 19. Bxd4 c5 20. Bc3 a4 $1 21. bxa4 Nxa4 22. Rab1 $1 Nxc3 (22... Qc8 {looks sharper.} 23. Ba1 c4 24. Be4 h6 25. Nf3 Rxd1+ 26. Rxd1 Bxa3 27. Nd4 Bf7) 23. Qxc3 c4 24. Qc2 (24. Nxc4 $2 Rc7 $17) 24... Bxa3 {The position is equal.} 25. Rxb7 Rxb7 26. Bxb7 Rd8 27. Rb1 Qc5 $1 28. Nf3 Bf5 29. Be4 Bxe4 30. Qxe4 Qd5 31. Qxd5+ Rxd5 $11 {[%mdl 4096] Endgame KRB-KRN} 32. Nd4 c3 {[#] aiming for ...Rxd4!} 33. Rb8+ $1 Kf7 {Hoping for ...Rxd4!} 34. Rb7+ Kg6 {Strongly threatening ...Rxd4!} 35. Rc7 Bc5 36. Kf1 Bxd4 37. exd4 Rxd4 38. Rxc3 {Accuracy: White = 69%, Black = 71%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.19"]
[Round "2.3"]
[White "Jones, Gawain C B"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "C07"]
[WhiteElo "2709"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,82,5,6,10,19,12,29,9,19,8,24,-12,0,-44,-6,-21,-17,-19,-9,-19,-10,-25,-23,-19,-20,-13,-13,-14,-10,-19,-10,-20,-3,-6,-13,-55,-50,-57,-50,-50,-43,-43,-48,-74,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. Nxd4 Nc6 6. Bb5 Bd7 7. Nxc6 bxc6 8. Bd3 Qc7 9. Qe2 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} Ne7 10. Nf3 Ng6 11. O-O {White has an edge.} Be7 (11... Bd6 12. c4 dxe4 13. Bxe4 O-O 14. Rd1 Rad8 15. h3 c5 16. b3 Bc6 {0-1 (40) Nepomniachtchi,I (2763)-Vitiugov,N (2719) St Petersburg 2018}) 12. Re1 O-O 13. e5 c5 14. Bg5 $146 ({Predecessor:} 14. c4 Rab8 15. h4 dxc4 16. Be4 Kh8 {1-0 (28) Lausch,S-Wolff,C DDR 1990}) 14... Rae8 {[%cal Ba8e8,Be8e7,Be7d7,Bd7d5][%mdl 32]} 15. c4 Bc6 16. cxd5 Bxd5 17. Bxe7 Rxe7 18. Be4 Rd7 19. Qc2 Bxe4 20. Rxe4 Rd5 {[%cal Rg6e5]} 21. Rae1 Rfd8 22. h4 h6 23. h5 Ne7 24. Rc4 Qb6 25. Rc1 Nc6 26. Rxc5 Nb4 $1 {[%csl LRa2,LRc2][%mdl 64] [#] Double Attack} 27. Qc4 Nd3 {[%cal Rd5c5]} 28. Rxd5 Rxd5 29. Rc2 Nxe5 ({Better is} 29... Nxf2 $1 $17 {And now ...Ng4+ would win.} 30. Kh2 Nd3 31. Qc8+ Rd8) 30. Nxe5 $11 {The position is equal.} Rxe5 $17 {[%mdl 4096] Endgame KQR-KQR} 31. g4 Rg5 32. Kf1 Qd6 {Strongly threatening ...Qd1+.} 33. f3 Rd5 34. Kg2 Rd2+ 35. Rxd2 Qxd2+ $11 {[%mdl 64] [#] Double Attack. KQ-KQ} 36. Kg3 Qe1+ 37. Kg2 Qd2+ {[%mdl 64] Double Attack} 38. Kg3 Qxb2 39. Qc8+ Kh7 40. Qc7 Qxa2 41. Qxf7 a5 {Accuracy: White = 64%, Black = 76%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.20"]
[Round "3.1"]
[White "Shankland, Sam"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2717"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,97,16,14,13,22,8,8,22,8,16,3,5,21,16,15,36,25,14,17,12,23,13,19,12,18,0,3,0,0,0,0,7,13,9,6,6,12,13,6,10,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-31,0,0,1,0,7,0,8,8,12,8,8,8,16,11,12,12,17,0,0,0,10,0,0,0,19,0]} 1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 Qxd5 7. e3 {A20: English Opening: 1...e5} (7. Nb3 Qe5 8. Nc3 Be7 9. d4 exd3 10. Qxd3 O-O 11. O-O Rd8 12. Qe3 Qxe3 13. Bxe3 Ng4 14. Bc5 Kf8 15. Rfd1 {0-1 (55) Popov,V (2532)-Anand,V (2773) St Petersburg 2018}) 7... Qe5 8. d3 exd3 9. Nd2 $146 {[%cal Bb1d2,Bd2c4,Bc4e5][%mdl 32]} ({Predecessor:} 9. O-O Bc5 10. Nd2 O-O 11. Nc4 Qc7 12. Qxd3 Nbd7 13. e4 Ne5 14. Qc3 Nxc4 15. Qxc4 {½-½ (28) David,A (2574)-Godena,M (2519) Rome 2016}) 9... Bc5 10. Nc4 Qh5 11. Qxh5 Nxh5 12. Nb3 Be7 13. Bd2 O-O 14. Ne5 Nf6 15. Nxd3 Rd8 16. Nf4 Na6 17. Ba5 Bb4+ 18. Ke2 b6 19. Bxc6 Rb8 $1 20. Bxb4 Nxb4 21. Bb5 $1 a6 22. Rhd1 Bg4+ 23. f3 axb5 24. fxg4 Nxg4 25. h3 Nxe3 26. Rxd8+ Rxd8 27. Kxe3 {[#] aiming for Ke4.} Nc2+ 28. Ke2 Nxa1 29. Nxa1 Ra8 30. a3 b4 31. Nc2 b3 32. Nd4 Rxa3 $1 33. Nd3 (33. bxa3 $2 {too greedy.} b2 $19) 33... Ra1 34. Nxb3 Rg1 35. Kf2 Rd1 36. Nbc1 (36. Ke3 {feels hotter.} Rg1 37. Kf3 Rf1+ 38. Nf2 Rb1 39. Nd3) 36... Kf8 {[%mdl 1024] Black has compensation.} 37. Ke3 {The position is equal.} Ke7 38. Ne2 Kd6 39. h4 Rf1 40. Nc3 h6 41. Ne4+ Ke6 42. Nd2 Rg1 43. Nf4+ Kd6 44. Ne2 Re1 45. Nc4+ Kc5 46. Ne5 Rf1 47. Nf4 Re1+ 48. Ne2 {[#] Hoping for Nd3+.} Rf1 49. Nf4 {Accuracy: White = 64%, Black = 75%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.20"]
[Round "3.2"]
[White "Swiercz, Dariusz"]
[Black "Jones, Gawain C B"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "2667"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "120"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,120,45,10,43,30,60,13,34,17,108,105,135,92,79,70,65,63,64,53,52,60,132,122,157,168,175,182,261,115,189,211,200,53,50,45,42,47,56,62,45,46,51,14,14,0,19,20,21,10,17,14,12,10,7,8,26,21,31,30,56,29,35,26,35,35,75,-13,-15,-14,-11,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 7. Bb3 d6 8. a4 {Hoping for axb5.} b4 {C78: Ruy Lopez: Archangelsk and Möller Defences} (8... Bg4 9. h3 Bh5 10. d3 Rb8 11. Re1 b4 12. Nbd2 Na5 13. Bc2 O-O 14. g4 Bg6 15. Nf1 Re8 16. Ng3 d5 17. Qe2 bxc3 18. bxc3 {1-0 (39) Caruana,F (2828)-Kollars,D (2564) chess.com INT 2019}) 9. d4 Ba7 10. h3 Bb7 $146 ({Predecessor:} 10... O-O 11. Be3 Bb7 12. Nbd2 bxc3 13. bxc3 exd4 14. cxd4 h6 15. a5 Nb4 16. Qb1 {1-0 (29) McShane,L (2664)-Adams,M (2703) London 2018}) 11. Re1 Ne7 (11... O-O $11 {keeps the balance.}) 12. cxb4 $16 Nxe4 13. Qc2 d5 14. Nxe5 {aiming for Rxe4!} O-O 15. Be3 Nf5 16. Nf3 Qd6 17. Nc3 Rad8 {[#]} (17... Nxe3 $14 18. Rxe3 (18. fxe3 Rae8 $16) 18... Nf6) 18. b5 $1 c5 {[%cal Rc5d4] [#]} 19. Bxd5 $1 {[%mdl 576] Remove Defender} Bxd5 20. Nxe4 Qg6 (20... Nxe3 $142 21. Rxe3 Bxe4 22. Rxe4 (22. Qxe4 cxd4 23. Rb3 axb5 $16) 22... cxd4) 21. Ne5 (21. dxc5 $18 {And now Bg5 would win.} Rde8 22. Ned2) 21... Nxe3 (21... Qh5 $16) 22. Rxe3 $18 Qf5 23. Nc6 ({Better is} 23. Ng4 $18 {White threatens Nef6+ and mate.} Kh8 24. dxc5) 23... Bxc6 $1 $14 24. bxc6 {[%cal Rd4c5]} cxd4 25. Rf3 Qd5 $1 {Strongly threatening ...d3.} 26. Nd2 Rd6 27. Rc1 {Black must now prevent Qb3.} Rc8 {[%cal Rd6c6]} 28. c7 Rd7 29. Qc4 {Qxd5 is the strong threat.} Qb7 {[%cal Rd7c7]} 30. Rb3 Qxc7 31. Qxc7 Rdxc7 32. Rxc7 Rxc7 $11 {[%mdl 4096] Endgame KRB-KRN} 33. Kf1 Re7 34. Nf3 Kf8 35. Ne1 Ke8 36. Nd3 Kd8 37. Rb4 (37. Nb4 $5 {[%cal Rb4c6]} Re6 38. Rf3 $11) 37... Kc7 38. Rc4+ Kd6 39. Nb4 a5 40. Rc6+ (40. Nc6 $16 Kd5 41. b3) 40... Ke5 {The position is equal.} 41. Nd3+ Ke4 42. Nc1 $1 Rb7 43. b3 Kd5 44. Rc8 Bc5 45. Ke2 Ba3 46. Rd8+ $1 Ke6 47. Nd3 Bd6 48. Ra8 Rxb3 49. Rxa5 Ra3 50. g4 g6 51. h4 f5 52. gxf5+ gxf5 53. h5 Ra2+ 54. Kf3 Ra3 55. Ke2 Ra2+ 56. Kf3 h6 (56... Ra3 $5 57. Ke2 $8 $11) 57. Nc5+ Bxc5 58. Rxc5 Kf6 59. a5 Kg5 60. Kg3 d3 {Accuracy: White = 59%, Black = 49%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.20"]
[Round "3.3"]
[White "Le, Quang Liem"]
[Black "Howell, David W L"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2694"]
[BlackElo "2692"]
[Annotator "TA"]
[PlyCount "219"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,219,8,12,12,23,13,41,9,20,14,12,8,30,35,33,16,18,15,22,21,52,48,73,62,78,75,73,78,62,0,19,0,0,0,0,-1,53,51,49,56,164,160,147,164,163,-24,0,-31,33,0,0,-12,51,9,150,111,114,0,0,0,0,6,253,253,253,258,279,279,269,270,269,272,262,234,234,226,296,99,120,112,110,100,109,105,97,111,105,24,59,59,59,59,99,61,68,44,91,89,86,71,70,61,65,65,64,21,50,41,68,20,44,31,40,34,163,159,154,135,312,8,8,8,8,8,10,0,0,0,8,8,8,8,8,8,8,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,70,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a6 7. a4 O-O 8. Re1 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 (8... h6 9. h3 a5 10. Nbd2 Be6 11. b3 d5 12. exd5 Nxd5 13. Ne4 Bb6 14. Ra2 f5 15. Ng3 Qf6 16. Nxe5 Nxe5 {½-½ (40) Ding,L (2813)-Anand,V (2773) Wijk aan Zee 2019}) 9. h3 Ne7 10. d4 {White is slightly better.} Ng6 11. Nbd2 exd4 12. cxd4 Nxe4 $146 {[%mdl 64] Remove Defender, Decoy} ({Predecessor:} 12... d5 13. exd5 Nxd5 14. Ne4 c6 {0-1 (83) Leon Hoyos,M (2490)-Quesada Perez,Y (2619) Saint Louis 2017}) 13. Nxe4 d5 14. Bg5 f6 15. Bxf6 gxf6 16. Bb3 Kh8 17. Ng3 $1 Rg8 18. Bc2 c6 19. Ra3 Bb8 20. Rae3 Bf4 21. R3e2 Bd6 $1 22. Bxg6 hxg6 23. Nh4 Bd7 $1 24. Qd3 Kh7 (24... f5 $11 25. Nf3 f4) 25. f4 $1 $14 Bb4 $1 {[%cal Rb4e1]} 26. Rf1 Qf8 (26... f5 $14 27. Nf3 Qf6) 27. f5 $1 $18 {[%cal Rf5g6]} g5 28. Ng6 Qh6 29. Ne5 $2 (29. Qf3 $18) 29... fxe5 $11 30. dxe5 Raf8 ({Black should play} 30... Be8 $1 $15) 31. e6 {[%mdl 1024] White has compensation.} Be8 {Threatens to win with ...Rf6.} 32. f6+ $1 Bg6 ({Better is} 32... Qg6 $1 $11 33. Qd4 (33. Qxg6+ Bxg6 34. e7 Re8 $17) 33... Bd6) 33. Qb3 Qh4 (33... Bc5+ $1 $11 34. Kh1 g4) 34. e7 $16 Qd4+ 35. Kh1 ({White has to play} 35. Kh2 $1 $16) 35... Rxf6 $11 36. Rxf6 Qxf6 37. Qxb4 d4 $2 (37... Re8 $1 $11 {and Black stays safe.}) 38. Qxb7 $18 Re8 39. Qd7 Qf4 40. Kh2 c5 41. Re6 Qf7 42. Qd6 d3 43. Re5 Qf4 44. Qxc5 g4 {[#]} 45. Re6 $2 (45. Re4 $1 $18 {[%mdl 512] has better winning chances.} Qf6 (45... Bxe4 46. Qh5+) 46. Rxg4) 45... d2 $16 46. Qd6 Qxd6 47. Rxd6 gxh3 48. Kxh3 Rxe7 49. Rxd2 {[%mdl 4096] Endgame KRB-KRN} Rb7 50. Rd6 (50. Ne2 $16) 50... a5 51. Ra6 Rxb2 52. Rxa5 Be8 53. Ne4 {And now Nf6+ would win.} Bc6 54. Ng5+ Kg6 55. Ra6 Rc2 56. Nf3 {aiming for Rxc6+!} Kg7 57. Kg3 Bd5 58. a5 {Hoping for Rd6.} Ra2 59. Kh3 Ra3 60. Kg4 {Black must now prevent Kf4.} Ra2 61. Kg3 Kf7 62. Kh3 {Ne5+ is the strong threat.} Be6+ 63. Kh4 Ra4+ {[#]} (63... Ke7 $1 $14) 64. Kg5 $1 $18 Ke7 65. Ne5 {Strongly threatening Ng6+.} Bc8 $2 {[#]} (65... Re4 $16) 66. Ng6+ $2 (66. Ra8 $1 $18) 66... Kd8 $1 $132 {[%mdl 2048] Black has counterplay} 67. Rd6+ (67. Ra7 {keeps more tension.} Rg4+ 68. Kf6 Rxg2 69. Nh8 Bg4 70. Nf7+) 67... Kc7 68. Rd2 Rxa5+ 69. Kf6 Rf5+ 70. Ke7 Bb7 71. Nf8 Bxg2 72. Ne6+ Kb6 73. Rxg2 {KRN-KR} Rf1 74. Rc2 Rd1 75. Nc5 Kb5 76. Ke6 Kb4 77. Ke5 Rd8 78. Ne6 Rd1 79. Rc8 Re1+ 80. Kd5 Rh1 81. Rc4+ Kb3 82. Nd4+ Kb2 83. Rc2+ Kb1 84. Rg2 Rc1 85. Nb5 Rc8 $1 86. Kd4 Rb8 87. Kc4 Kc1 88. Nd4 (88. Kc5 {feels hotter.} Rc8+ 89. Kd5 Kd1 90. Rg1+ Kc2 91. Nd4+) 88... Rc8+ 89. Kd3 Rh8 90. Rf2 (90. Nc2 {looks sharper.} Rd8+ 91. Nd4 Rh8) 90... Rd8 91. Rh2 Kb1 92. Rh6 Rg8 93. Rb6+ Ka2 94. Ne2 Ka3 95. Rb5 (95. Nc1 {is more complex.} Ka4 96. Nb3 Ka3 97. Nc5 Rg3+ 98. Kd2) 95... Rd8+ 96. Kc2 Rh8 97. Nd4 Ka4 98. Kd3 Rc8 99. Rb1 Ka5 100. Ke4 Ka4 101. Kd5 Rd8+ 102. Kc5 {[%cal Rb1a1]} (102. Kc4 {seems wilder.} Rc8+ 103. Kd5) 102... Rc8+ 103. Nc6 Ka3 104. Rb6 Rh8 105. Kc4 Rh4+ 106. Nd4 Ka2 107. Kc3 Rh3+ 108. Kd2 Ka3 (108... Rh2+ $11 109. Kd3 Rh3+ 110. Kc4 Rh1) 109. Rb3+ ({White should try} 109. Kc2 $14) 109... Rxb3 110. Nxb3 {Accuracy: White = 51%, Black = 53%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.21"]
[Round "4.1"]
[White "Swiercz, Dariusz"]
[Black "Xiong, Jeffery"]
[Result "1/2-1/2"]
[ECO "B06"]
[WhiteElo "2667"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,71,44,45,39,37,41,27,44,32,46,20,48,22,43,32,48,43,77,65,76,66,62,73,70,73,65,77,121,98,98,53,41,15,61,64,54,55,137,62,55,49,43,45,53,60,42,55,41,49,179,150,153,175,168,74,59,28,34,9,7,6]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c4 e5 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nc3 f6 {A41: 1 d4 d6: Tartakower System and Modern Defence} 8. b4 Be6 (8... Nc6 9. Ba3 Be6 10. b5 Nd4 11. Nxd4 exd4 12. Rd1 Kc8 13. Nd5 Nh6 14. Rxd4 Re8 15. Be2 {1-0 (54) Swiercz,D (2636)-Jones,G (2647) Atlantic City 2016}) 9. Be2 Nd7 {White has an edge.} 10. O-O Nh6 $146 ({Predecessor:} 10... c6 11. a4 Nh6 12. a5 Kc7 13. b5 Nf7 14. Be3 a6 15. Rfb1 {½-½ (36) Zielinski,M (2029)-Ott,P (2008) ICCF email 2006}) 11. Rb1 Nf7 12. Rd1 c6 13. Nd2 Re8 14. Nb3 $36 {[%mdl 2048] White is pushing.} Kc8 15. b5 c5 16. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Bf8 17. Be3 b6 18. a5 Nd6 19. Nd2 Rd8 20. Ra1 Kb7 21. Ra4 a6 $1 22. Rda1 bxa5 23. bxa6+ Rxa6 24. Nb3 Rb6 (24... Rda8 $14) 25. Nxc5+ ({Better is} 25. Nxa5+ $16 Kc7 26. Nb5+ Kc8 27. Nc3) 25... Nxc5 $14 26. Bxc5 Rb3 27. Nd5 Nxe4 28. Bxf8 Rxf8 29. Rxa5 {[#] And now Ra7+ would win.} Bxd5 $1 30. cxd5 {Hoping for Ra7+.} Nc3 (30... Rb2 $14) 31. Bf1 Kb6 {[#]} 32. Ra7 $1 Kc5 33. Rc7+ ({But not} 33. Rxh7 $6 Kxd5 34. f3 Rc8 $14) (33. R1a5+ $18 Kd4 34. Rc7) 33... Kd6 $16 34. Rxh7 {White wants to play Ra6+.} Nxd5 35. Bc4 Rb4 36. Bxd5 {Accuracy: White = 56%, Black = 49%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.21"]
[Round "4.2"]
[White "Le, Quang Liem"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "2694"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,60,17,19,12,26,20,23,17,19,17,25,22,19,9,13,16,9,7,21,10,9,10,34,31,32,22,26,26,38,14,44,42,35,40,42,0,0,0,0,0,0,0,0,0,12,0,0,0,11]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O ({Predecessor:} 5... d6 6. c3 O-O 7. Nbd2 a6 8. a4 Ba7 9. h3 h6 10. Re1 Re8 11. b4 Be6 12. Bxe6 {½-½ (34) Kuhne,D (2391)-Debnar,I (2136) ICCF email 2017}) 6. h3 d6 7. c3 a6 8. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 9. Re1 Re8 10. Nbd2 {White has an edge.} Be6 11. Bxe6 Rxe6 12. b4 h6 13. Qc2 Qd7 $146 (13... Ne7 14. Nf1 Qd7 15. Ng3 {1-0 (56) Wang,H (2726)-Malakhov,V (2667) China 2019}) 14. Rb1 b5 15. Ra1 Rd8 16. Nb3 Bb6 17. Bd2 d5 18. a5 Ba7 $1 19. Be3 Bxe3 20. Rxe3 {White wants to play Nc5.} Rd6 21. Kh2 Qc8 22. Rae1 dxe4 23. dxe4 Nd7 24. Qc1 Nf8 {The position is equal.} 25. Nh4 g6 26. Rg3 Kh7 $1 27. Rf3 Kg7 28. Rg3 Kh7 $1 29. Rf3 Kg7 30. Rg3 {[#] aiming for Nf5+.} Kh7 $1 {Accuracy: White = 72%, Black = 70%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.21"]
[Round "4.3"]
[White "Howell, David W L"]
[Black "Jones, Gawain C B"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2692"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "157"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,157,8,8,0,0,0,0,0,12,16,19,17,22,24,23,19,94,93,92,86,121,116,129,115,130,132,124,121,121,114,175,122,121,125,117,108,135,123,164,165,164,164,158,146,314,218,864,748,514,0,270,261,228,56,10,10,10,10,16,17,29,0,0,0,0,0,0,0,0,0,17,18,19,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Nf3 Bg7 6. g3 Nxc3 7. bxc3 c5 8. Bg2 Nc6 9. O-O cxd4 10. cxd4 O-O 11. Rb1 Nxd4 12. Nxd4 Qxd4 13. Qxd4 {D75: Fianchetto Grünfeld: Main Line with 7...c5} Bxd4 14. Bh6 Rd8 15. Bxb7 {[#]} Bxb7 $146 ({Predecessor:} 15... Rb8 16. Bxc8 Rbxc8 17. Rb7 Bc5 18. Rc1 f6 19. Be3 Bxe3 20. Rxc8 Rxc8 21. fxe3 {½-½ (29) Beliavsky,A (2622)-Radjabov,T (2739) Reykjavik 2015}) 16. Rxb7 Bc5 17. Rc1 Rac8 18. Bf4 Re8 19. a4 a5 (19... a6 $11) 20. Bd2 $16 f6 21. Rcb1 Red8 22. Bxa5 Rd4 23. Bb4 Kf7 24. a5 Bxb4 25. R1xb4 Rxb4 26. Rxb4 {[%mdl 4096] Endgame KR-KR} Rc1+ 27. Kg2 Ra1 28. Rb5 Ra2 29. Kf3 g5 30. Ke3 Kg6 31. f4 gxf4+ 32. gxf4 Ra4 33. h4 h5 $2 (33... Kf7 $16 34. Kf3 h6) 34. Kf3 Ra3+ $2 (34... f5 35. Rb6+ Kg7) 35. Ke4 $18 Ra4+ 36. Kf3 Ra3+ $1 37. e3 Ra4 38. f5+ $2 (38. Rc5 $18) 38... Kf7 $14 39. e4 {Ke3 is the strong threat.} Ra3+ $1 40. Ke2 Ke8 $1 41. Rd5 {next Kd2 is good for White.} Rh3 $1 42. Rd4 (42. Kd2 $5 {[%cal Rd2c2]}) 42... Ra3 $1 {The position is equal.} 43. Rd5 Rh3 $1 44. e5 fxe5 45. Rxe5 {Hoping for f6.} Kf7 46. a6 Ra3 47. Re6 Ra5 $1 48. Kd3 {[#] aiming for Kc4.} Rxf5 49. Rb6 Ra5 50. Kc4 e5 51. Kb4 (51. Rb7+ {keeps more tension.} Ke6 52. Rh7 e4 53. a7 Kf6 54. Kc3) 51... Ra1 52. Kc5 e4 53. Kd4 Ra4+ 54. Ke3 Kg7 55. Rc6 Kh7 56. Rd6 Kg7 57. Rb6 Kh7 58. Re6 Kg7 59. Rd6 Kh7 60. Kf4 e3+ 61. Kxe3 Rxh4 62. Rd4 Rh3+ 63. Kf4 {[#] Black must now prevent Kg5.} Ra3 64. Rd6 Ra5 65. Rd7+ Kg6 66. Rd6+ Kg7 67. Rd7+ Kg6 68. Ra7 Ra4+ 69. Kf3 Ra3+ 70. Kg2 h4 71. Ra8 Kg7 72. Kh2 Kh7 73. Kg2 Kg7 74. a7 h3+ 75. Kh2 Kh7 $1 76. Kg1 Ra1+ 77. Kh2 Ra3 $1 78. Re8 Rxa7 79. Kxh3 {Accuracy: White = 69%, Black = 73%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.22"]
[Round "5.1"]
[White "Xiong, Jeffery"]
[Black "Howell, David W L"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2684"]
[BlackElo "2692"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,21,12,8,15,12,18,12,21,23,27,25,17,-29,-28,-20,-15,-35,-33,-48,0,0,0,0,10,10,10,8,10,6,12,16,6,14,33,32,33,29,38,40,37,33,40,37,35,51,50,25,30,7,20,10,26,0,30,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 (4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 8. Bd3 O-O 9. Qe2 Be6 10. O-O-O Qd7 11. h4 Bf5 12. Rdg1 Rfe8 13. Bxf5 Qxf5 14. g4 Qe6 15. Kb1 {½-½ (69) Yu,Y (2784)-Bu,X (2722) Hengshui 2019}) 4... Nxe4 5. Qe2 Qe7 6. Nf4 {[#] Black must now prevent Nd5. C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} c6 7. f3 Nf6 8. d4 Qxe2+ 9. Bxe2 d5 10. g4 $146 ({Predecessor:} 10. Bd3 Bd6 11. Ne2 Nbd7 {½-½ (60) Souleidis,G (2423)-Sharashenidze,A (2353) Prague 2019}) 10... Bd6 11. Nc3 h5 {[%cal Rh5g4]} 12. g5 Ng8 13. O-O Ne7 14. Re1 Bf5 15. Bd3 {[#] Bxf5 is the strong threat.} Bxd3 16. Nxd3 Nd7 17. Bf4 Bxf4 18. Nxf4 {Hoping for Ncxd5!} Kf8 19. Nce2 Nf5 20. c3 g6 21. Ng3 Nxg3 (21... Nd6 {keeps more tension.} 22. Re2 h4 23. Nf1 h3 24. Kf2 Rh4) 22. hxg3 Re8 23. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Re7 24. a5 Ke8 25. Nd3 Kd8 26. Kf2 Rxe1 27. Rxe1 $14 {[%mdl 4096] Endgame KRN-KRN} Re8 28. Rb1 Kc7 29. b4 Kd6 30. Rh1 Re7 31. Rh4 Re8 32. Rf4 Ke7 {The position is equal.} 33. Nc5 Nxc5 34. dxc5 a6 35. Rf6 {Accuracy: White = 46%, Black = 62%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.22"]
[Round "5.2"]
[White "Jones, Gawain C B"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2709"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "161"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,161,7,6,2,0,15,9,11,16,0,24,27,72,68,77,60,51,37,25,30,33,24,44,0,0,-2,0,0,27,39,65,58,62,60,51,58,56,54,38,47,41,45,44,47,44,33,35,49,66,70,70,70,76,4,3,6,33,0,0,0,0,0,10,0,0,0,0,0,34,34,34,34,34,33,45,22,22,22,22,22,22,22,22,22,36,22,22,22,36,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,22,0,22,22,22,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,13,8,8,8,8,8,8,8,8,8,8,8,8,8,8,0,0,0]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Re1 O-O 7. d4 d5 8. e5 Ne4 9. Be3 {B31: Sicilian: 2...Nc6 3 Bb5 g6} (9. dxc5 Bg4 10. Bf4 f6 11. e6 Nxc5 12. h3 Bxe6 13. Nd4 Nxd4 14. cxd4 Ne4 15. f3 Nd6 16. Rxe6 Nxb5 {0-1 (41) Svidler,P (2753)-Gelfand,B (2703) Jerusalem 2018}) 9... cxd4 10. cxd4 Qb6 11. Bxc6 bxc6 12. Qc1 f6 $146 ({Predecessor:} 12... a5 13. h3 Bf5 14. Nc3 Nxc3 15. Qxc3 Rfb8 16. Re2 Qb5 17. Rd2 Qc4 18. Qxc4 dxc4 {½-½ (37) Schulz,G (2162)-Priepke,W (2228) GER email 2013}) 13. Nc3 Be6 14. exf6 Bxf6 15. Ne5 Rac8 16. Nxe4 dxe4 17. Qc3 a5 18. Rac1 {[%cal Re5c6]} Rfd8 19. Qc5 Qxb2 20. Nxc6 Rd6 21. d5 $1 Kg7 22. Qa7 $1 ({Worse is} 22. dxe6 Rdxc6 23. Qxc6 Rxc6 $17) 22... Rd7 23. Qa6 Rxd5 24. Rb1 $1 {[%cal Rb1b2]} Qa3 25. Na7 $1 {[%csl LRc8,LRe6][%mdl 64] [#] Discovered Attack} Rd6 26. Qb7 $1 Rcd8 27. Nb5 {[%mdl 64] Double Attack} Qxa2 28. Nxd6 Rxd6 29. Bc5 Rd7 30. Qxe4 Bf5 31. Qc6 Qd5 32. Qxd5 Rxd5 33. Rbc1 Kf7 34. Re2 (34. Red1 $16 Rd3 35. Rxd3 Bxd3 36. Rd1) 34... a4 $11 35. h3 h5 36. Ra2 Bd7 37. Bb4 Rd3 38. Bc5 Bb5 39. Bb4 Rb3 40. Ba3 Bd3 41. Bc5 Bb2 42. Re1 a3 43. Rxe7+ Kf6 {[#] And now ...Bb1 would win.} 44. Re3 Kf7 45. Bxa3 Bxa3 46. Rd2 $1 {[%cal Rd2d3]} Rb1+ $1 47. Kh2 Bc1 {...Bf5 is the strong threat.} 48. Rdxd3 {Strongly threatening Rd7+.} Bxe3 49. Rxe3 {[%mdl 4096] Endgame KR-KR} Rb4 50. Kg3 g5 51. Kf3 Kf6 52. Ra3 h4 {The position is equal.} 53. Ra6+ Kf5 54. Ra5+ Kf6 55. Rd5 Ra4 56. Ke3 Ra2 57. Rd2 Ra4 58. Rd4 Ra2 59. Kf3 Kf5 60. Rd5+ Kf6 61. Rb5 Kg6 62. Rb4 Kf5 63. g4+ (63. Rb3 {with more complications.} Ra6 64. Rb5+ Kg6 65. Re5 Rf6+ 66. Ke3) 63... hxg3 64. Kxg3 Ra5 65. Rc4 Rb5 66. Ra4 Rc5 67. Ra8 Rc4 68. Rf8+ Kg6 69. f3 Ra4 70. Re8 Kf5 71. Re4 Ra5 72. Rb4 Rc5 73. h4 gxh4+ 74. Rxh4 {Intending Rh5+ and mate.} Rc1 75. Rh5+ Kf6 76. Kg4 Ra1 77. Rh6+ Kf7 78. f4 Ra5 79. Rb6 Rc5 80. f5 Rc1 81. Rb7+ {Accuracy: White = 57%, Black = 75%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.22"]
[Round "5.3"]
[White "Shankland, Sam"]
[Black "Swiercz, Dariusz"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2717"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "199"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,199,14,14,14,14,14,14,12,16,12,12,13,15,10,0,0,0,0,0,0,0,0,37,26,27,25,32,28,23,35,47,31,120,81,96,89,158,168,233,239,228,241,228,218,227,187,233,225,225,229,218,218,217,210,214,212,202,110,103,103,103,103,103,103,104,104,104,0,115,100,99,100,99,100,99,99,105,105,98,106,100,106,106,106,108,107,108,106,107,91,98,98,103,103,104,91,98,98,98,105,105,97,131,130,163,157,306,306,306,306,306,282,299,291,331,320,341,325,339,347,373,176,170,172,162,114,114,108,105,105,123,110,126,101,194,194,494,483,497,416,432,366,29962,29964,29962,29958,29974,29975,29975,29976,29976,29977,29978,29979,29980,29978,29980,29981,29982,29983,29983,29984,29985,29985,29986,29986,29986,29987,29988,29989,29989,29990,29990,29989,29989,29987,29987,29988,29987,29988,29988,29989,29992,29993]} 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Nbd7 5. d4 Bb4+ 6. Nbd2 O-O 7. O-O b6 8. cxd5 exd5 9. Ne5 Bb7 10. Qa4 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} a5 11. Nc6 $146 ({Predecessor:} 11. Ndf3 Qe8 12. Qc2 Bd6 13. Bf4 h6 14. Rac1 Nh5 15. Nxd7 Qxd7 16. Bxd6 cxd6 17. Nh4 Nf6 {1-0 (40) Gupta,A (2619)-Ahmed,S (2305) Kolkata 2018}) 11... Qe8 {Hoping for ...Nb8.} 12. Nxb4 {The position is equal.} axb4 13. Qxb4 Qxe2 14. Nf3 Qc4 15. Bd2 Ra4 16. Qb3 Qxb3 17. axb3 Rxa1 18. Rxa1 Ra8 19. Rc1 c6 20. Bh3 h6 21. Bb4 Re8 22. Ra1 c5 23. Bc3 Bc6 24. b4 Ne4 (24... c4 $14) 25. Ra7 cxb4 26. Bxb4 ({Inferior is} 26. Bxd7 bxc3 27. bxc3 (27. Bxe8 $2 cxb2 28. Bxf7+ Kh7 $19) 27... Ra8 $17) 26... Ndf6 (26... Nef6 $142) 27. Ne5 $36 {[%mdl 2048] White has strong initiative.} Bb5 (27... Ng5 $142) 28. Nxf7 $18 Ng5 29. Nxg5 hxg5 30. Bf5 g4 31. Rc7 Ra8 32. Rc8+ Rxc8 33. Be6+ $1 ({Resist} 33. Bxc8 $6 Kf7 $16) 33... Kh7 {( -> ...Rc1+)} 34. Bxc8 {[%mdl 4096] Endgame KBB-KBN} Be2 35. Bd6 Ne4 36. Bf4 $1 g5 37. Be3 (37. Bc7 $18) 37... Kg6 $16 38. Be6 Nf6 39. Bd2 Bd3 40. Bc8 Be2 41. Bb7 Kf5 42. Bc8+ Kg6 43. Bb4 Kf7 44. Bd6 Ne4 45. Bc7 $1 b5 46. Ba5 Nd6 47. Bd7 Ke7 48. Bc6 Ke6 49. Bb4 Ne4 50. Bb7 Nf6 51. Bc8+ Kf7 52. Kg2 Ne4 53. Ba6 Ke6 54. Bb7 Nf6 55. Bc8+ Kf7 56. Be1 Ke7 57. Bf5 Kf7 58. Bd2 Ne4 59. Be3 Bf3+ 60. Kf1 Ke7 61. Ke1 Kd6 (61... Kf6 $16 62. Bd7 Nd6) 62. Bd2 $18 Kc6 63. Bb4 Kc7 64. Be6 Kc6 65. Be7 b4 66. b3 ({Don't take} 66. Bxb4 Kb5 $18) 66... Nd6 67. Bxg5 Nb5 68. Bf6 Nc3 69. Be7 (69. h4 $142) 69... Ne2 70. h3 gxh3 71. Bxh3 {Threatens to win with Kd2.} Nxd4 72. Kd2 {Strongly threatening Ke3.} Nxb3+ 73. Ke3 Bh5 74. Bxb4 {f4 is the strong threat.} d4+ {[#]} 75. Kf4 $1 Kb5 {[#]} (75... Kd5 $16) 76. Be1 $1 Nc5 $2 (76... Bg6 77. Bd7+ Kc5) 77. Bf1+ Kc6 78. Bb4 Bg6 79. g4 Nd3+ $2 (79... Bc2 $18 80. Ke5 Nb3) 80. Bxd3 {White mates.} Bxd3 {KB-KB} 81. Ke5 Kd7 82. f4 Ke8 83. f5 Kf7 84. Kxd4 Be2 85. g5 Bb5 86. Ke5 Be8 87. Bc3 Bb5 88. Kf4 Kg8 89. g6 Bd3 90. Kg5 Bc4 91. f6 Kf8 92. Bb4+ Kg8 93. Kf4 Bb3 94. Ke5 Bc4 95. Be7 Bb3 96. Kd6 Bc4 97. Kc7 Bb3 98. Kd8 Bc4 99. Ba3 Bb3 100. Ke7 {Accuracy: White = 78%, Black = 59%.} 1-0

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.24"]
[Round "6.1"]
[White "Xiong, Jeffery"]
[Black "Jones, Gawain C B"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2684"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,111,25,29,9,0,0,-6,24,17,32,22,23,23,16,20,22,17,17,20,100,89,70,32,33,34,41,41,28,29,41,39,37,27,30,29,42,42,42,42,42,42,70,42,133,127,133,133,121,100,126,120,148,148,165,165,170,150,168,146,163,146,146,146,146,146,146,146,146,146,146,107,107,116,117,117,117,101,101,101,101,101,101,101,101,101,101,101,101,101,101,101,101,25,101,101,101,101]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 O-O 8. Nf3 c5 9. Rc1 Qa5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 10. Nd2 (10. Qd2 Nd7 11. Bd3 e5 12. Bh6 exd4 13. Bxg7 Kxg7 14. cxd4 Qxd2+ 15. Kxd2 b6 16. d5 Bb7 17. a4 Rfe8 18. a5 Rad8 {0-1 (68) Ding,L (2805)-Wei,Y (2736) Abidjan 2019}) 10... cxd4 11. Nc4 Qd8 {The position is equal.} 12. cxd4 f5 13. Ne5 $146 ({Predecessor:} 13. Qb3 f4 14. Nb6+ e6 15. Rxc8 Qxb6 16. Rxf8+ Kxf8 17. Qxb6 axb6 18. Bxf4 {½-½ (26) Ponkratov,P (2601)-Dubov,D (2696) Sochi 2018}) 13... Be6 14. Qa4 {Bc4 is the strong threat.} f4 15. Bc4 Bxe5 16. Bxe6+ Kg7 $1 17. Qb5 fxe3 (17... Bf6 $1 $11 18. Bxf4 Nc6) 18. Qxe5+ $16 Rf6 19. Rc8 ({But not} 19. fxe3 Nc6 $15) 19... exf2+ 20. Ke2 $1 Nc6 21. Rxd8 Rxd8 22. Qc7 Rxe6 23. Kxf2 Rxd4 24. Re1 $36 {[%mdl 2048] White has some pressure.} Rf6+ 25. Kg1 Rd2 26. Rf1 ({Reject} 26. Qxb7 Rff2 $15) 26... Rxf1+ 27. Kxf1 $14 {[%mdl 4096] Endgame KQ-KRN} Rb2 28. h4 a5 29. h5 a4 (29... Rb5 $14) 30. Qf4 $1 $16 gxh5 {[#]} 31. Qg5+ $1 Kf8 32. Qxh5 Kg7 33. Qg5+ {[%mdl 1024] White has strong compensation.} Kf8 34. Qh6+ Kg8 35. Qc1 Rb4 {[#]} 36. a3 $1 {[%cal Ra3b4]} Rd4 37. Qb1 Kf7 38. Qxb7 Ne5 39. Qb5 Ng6 40. Kf2 e5 41. Ke3 h5 42. g3 Kg7 43. Qe2 h4 44. Kf3 {Hoping for gxh4.} hxg3 45. Kxg3 Ne7 46. Kg4 {Threatens to win with Kg5.} Kf7 47. Kg5 {Black must now prevent Qa2+.} Ke6 48. Qa6+ Kd7 49. Qb7+ Kd6 50. Qb8+ Ke6 51. Qa8 Kd6 52. Kf6 Nc6 53. Qf8+ Kc7 54. Ke6 ({White should try} 54. Qf7+ $16 Kd6 55. Qe6+ Kc5 56. Qf5) 54... Kb6 (54... Rxe4 $11 {remains equal.} 55. Kd5 Rd4+ 56. Kc5 Nb8) 55. Qf1 Kc7 56. Qf7+ {Accuracy: White = 80%, Black = 64%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.24"]
[Round "6.2"]
[White "Howell, David W L"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "A35"]
[WhiteElo "2692"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "57"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,57,33,25,23,28,31,12,29,22,41,43,37,22,4,8,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nf6 3. Nc3 {[%cal Bb1c3,Bc3d1,Bd1e3,Be3c4][%mdl 32]} Nc6 4. g3 d5 5. d4 cxd4 6. Nxd4 dxc4 7. Nxc6 Qxd1+ 8. Nxd1 bxc6 9. Bg2 Nd5 10. Ne3 e6 {A34: Symmetrical English: 2 Nc3, lines with ...d5} 11. Nxc4 Ba6 12. Na5 (12. b3 Bb4+ 13. Bd2 Ke7 14. Rc1 Rhc8 15. Na5 c5 16. Bxb4 cxb4 17. Kd2 Bb5 18. Bxd5 exd5 19. a3 bxa3 20. Rxc8 Rxc8 21. Ra1 {½-½ (55) Le,Q (2704)-Vidit,S (2707) Hengshui 2019}) 12... Bb4+ 13. Bd2 Rb8 {[#] aiming for ...Bxd2+.} 14. Bxb4 $146 ({Predecessor:} 14. b3 Bxa5 15. Bxa5 Ke7 16. Bf3 c5 17. O-O Rhc8 18. Rfd1 c4 19. Bxd5 exd5 20. Rxd5 cxb3 21. axb3 Rxb3 22. Bb4+ Rxb4 23. Rxa6 Rc7 24. Rg5 g6 25. Rga5 {½-½ (25) Ribli,Z (2526)-Timman,J (2578) Platja d'Aro 2017}) 14... Nxb4 15. Nxc6 Nxc6 {The position is equal.} 16. Bxc6+ Ke7 17. b3 Rhc8 18. Be4 f5 19. Bd3 Bxd3 20. exd3 $11 {[%mdl 4096] Endgame KRR-KRR} Rc2 21. O-O Kf6 22. Kg2 Rbc8 23. d4 Rb2 24. Rfb1 Rd2 25. Rd1 Rb2 26. Rdb1 $1 {[%cal Rb1b2]} Rd2 27. Rd1 Rb2 28. Rdb1 Rd2 29. Rd1 {Accuracy: White = 89%, Black = 75%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.24"]
[Round "6.3"]
[White "Le, Quang Liem"]
[Black "Swiercz, Dariusz"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2694"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "111"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,111,0,0,0,0,-11,16,16,16,17,12,17,16,18,43,38,51,33,22,14,16,24,17,12,21,29,15,0,8,6,12,14,9,0,0,0,0,0,6,-60,7,10,74,54,55,68,72,54,53,0,30,35,127,135,186,194,302,302,302,302,294,272,397,396,408,408,406,383,346,352,409,409,556,570,1690,1593,5118,4380,29972,29972,29942,29951,12817,12846,11615,11939,29980,29981,29984,29984,29991,29979,29979,29980,29980,29981,29981,29983,29988,29989,29989,29990]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. bxc3 O-O 7. d3 {A28: English Opening: Four Knights Variation} d6 8. Be2 Ne7 (8... Ne8 9. O-O f5 10. c5 d5 11. c4 e4 12. Nd2 Nb4 13. Qb3 exd3 14. Bf3 Na6 {1-0 (44) Ding,L (2805)-Karjakin,S (2752) Abidjan 2019}) 9. c5 {The position is equal.} Nc6 $146 ({Predecessor:} 9... Ng6 10. cxd6 cxd6 11. c4 Bf5 12. O-O Nd7 13. Nd2 Nc5 14. Nb3 Re8 {1-0 (49) Beijar,K (2450)-Svenn,M Sweden 1993}) 10. cxd6 cxd6 11. O-O Re8 12. c4 d5 13. cxd5 Qxd5 14. h3 b6 15. e4 Qd6 16. Be3 Bb7 17. Rac1 Rac8 18. Qb2 Nd7 19. Nd2 Ba6 20. Nb3 Nf8 21. f4 Ng6 {[%cal Re5f4]} 22. fxe5 Ngxe5 23. Rcd1 Rcd8 {[%cal Re5d3]} (23... Nxd3 $6 24. Bxd3 Bxd3 25. Nc1 $16) 24. Bf4 {And now d4 would win.} Qe7 {[%cal Re5d3]} ({But not} 24... Bxd3 $6 25. Bxd3 Nxd3 26. Qb1 $16) 25. Qc3 ({White should try} 25. d4 $11 Bxe2 26. Qxe2) 25... f6 (25... Rd7 $1 $15) 26. Rf2 Nb4 (26... Qd7 $11 {remains equal.}) 27. Bxe5 $1 $16 {Bf4 is the strong threat.} Rc8 $1 {[%cal Rc8c3]} 28. Bxf6 $1 Rxc3 29. Bxe7 Rxe7 30. Nd4 (30. Rd2 $14) 30... g6 {[%cal Rb4d3]} 31. Rf3 Nxa2 (31... Kg7 $14) 32. Ra1 $1 $40 {[%cal Ra1a2][%mdl 128] White attacks with force.} Nb4 (32... Rc1+ $16 {is a better defense.} 33. Rf1 Rxf1+ 34. Kxf1 (34. Bxf1 Nb4 $16) 34... Nb4) 33. Ra4 $18 Nc2 (33... Bxd3 {was necessary.} 34. Rxb4 Rc1+ 35. Kh2 Bxe4) 34. Nxc2 Rxc2 35. Bd1 $1 {[%cal Rd1c2]} Rc1 {[#]} 36. Rf1 $1 ({Not} 36. Rxa6 Rxd1+ 37. Kf2 Rd2+ 38. Ke3 Rxg2 $15) 36... Rf7 (36... Rc3 $142) 37. Rxa6 Rxf1+ 38. Kxf1 Rxd1+ {[%mdl 4096] Endgame KR-KR} 39. Ke2 Rg1 40. Kf2 ({Less strong is} 40. Rxa7 Rxg2+ 41. Kf3 Rh2 $16) 40... Rd1 {[#]} 41. Ke3 $1 Rg1 42. Rxa7 Rxg2 43. d4 Rg3+ 44. Kf4 Rxh3 45. d5 Kf8 46. d6 Ke8 47. e5 Rd3 48. Rxh7 b5 49. Kg5 {White mates.} b4 50. Kf6 b3 51. Rh8+ Kd7 52. e6+ Kc6 53. d7 b2 54. Rb8 Rd2 55. Ke7 Kc7 {[#]} 56. Rb4 {Played: Rb8xb2} 1-0

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.25"]
[Round "7.1"]
[White "Le, Quang Liem"]
[Black "Xiong, Jeffery"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2694"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,53,10,19,13,16,22,52,18,24,22,84,60,92,85,88,85,79,79,283,295,279,244,525,529,518,508,779,779,894,887,871,857,1946,1967,1208,1198]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Qc7 9. Bb3 Be6 10. O-O O-O 11. Nh4 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} g6 12. Bh6 (12. Nf3 Re8 13. Ng5 Bc4 14. Re1 Nbd7 15. a4 Qc6 16. Bxc4 Qxc4 17. a5 Qc6 18. Qd3 Rac8 {½-½ (48) Sjugirov,S (2652)-Wojtaszek,R (2738) Batumi 2018}) 12... Rd8 13. Nf3 {White is slightly better.} Bc4 14. Ng5 $146 {Threatens to win with Bxc4.} ({Predecessor:} 14. Bxc4 Qxc4 15. Nd2 Qc6 16. Bg5 Kg7 17. a4 Rc8 18. Qe2 Nbd7 {½-½ (28) Roques,P (2226)-Bergmann,M (2402) LSS email 2013}) 14... Bf8 (14... Bxb3 $11 {remains equal.} 15. axb3 Nc6) 15. Bxf8 Kxf8 16. Bxc4 Qxc4 {[#]} 17. f4 $1 $36 {[%cal Rf4f5][%mdl 2048] White is really pushing.} exf4 {[#] aiming for ...Qc5+.} 18. Kh1 $1 Qc5 $2 (18... Nbd7 $16) 19. Nd5 $18 Nxd5 20. exd5 h6 $2 {[#]} (20... Kg8 21. Rxf4 Nd7 22. Rxf7 Qe3) 21. Nxf7 $1 {[%mdl 512] White is clearly winning.} Kxf7 22. Rxf4+ ({Inferior is} 22. Qg4 Qxd5 23. Qxf4+ Kg8 $11) 22... Kg7 (22... Ke7 $142 23. Qe2+ Kd7) 23. Qe2 {Threatening mate with Qe7+!} Qc7 24. Raf1 {White wants to mate with Qe6.} ({Less strong is} 24. Qe6 Nc6 $16) 24... Nc6 25. dxc6 bxc6 26. Qe6 {Intending Rf7+ and mate.} Rf8 27. Rf6 {Accuracy: White = 88%, Black = 30%.} 1-0

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.25"]
[Round "7.2"]
[White "Swiercz, Dariusz"]
[Black "Howell, David W L"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2667"]
[BlackElo "2692"]
[Annotator "ChessBase"]
[PlyCount "221"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:01:19]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:20]} 3. g3 {[%emt 0:00:06]} d5 {[%emt 0:00:33]} 4. Bg2 {[%emt 0:00:05]} Be7 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:44]} O-O {[%emt 0:00:09]} 6. O-O {[%emt 0:00:52]} dxc4 {[%emt 0:00:21]} 7. Qc2 {[%emt 0:00:03]} a6 {[%emt 0:01:32]} 8. a4 {[%emt 0:00:32]} Bd7 {[%emt 0:00:36]} 9. Qxc4 {[%emt 0:00:40]} Bc6 {[%emt 0:00:09]} 10. Bf4 {[%emt 0:00:24]} Bd6 {[%emt 0:04:09]} 11. Qc1 {[%emt 0:04:19]} a5 {[%emt 0:09:27]} 12. Nc3 {[%emt 0:00:43]} Na6 {[%emt 0:00:45]} 13. Bd2 {[%emt 0:01:44]} Nb4 {[%emt 0:11:43]} 14. Qb1 {[%emt 0:07:18]} Bxf3 {[%emt 0:03:24]} 15. Bxf3 {[%emt 0:00:14]} c6 {[%emt 0:00:17]} 16. Ne4 {[%emt 0:32:51]} Nxe4 {[%emt 0:09:30]} 17. Qxe4 {[%emt 0:01:29]} Qe7 {[%emt 0:00:06]} 18. Rad1 {[%emt 0:09:46]} Rad8 {[%emt 0:05:09]} 19. Bc3 {[%emt 0:03:22]} Bc7 {[%emt 0:00:22]} 20. b3 {[%emt 0:09:10]} Rd7 {[%emt 0:02:45]} 21. Rd2 {[%emt 0:05:18]} Rfd8 {[%emt 0:16:13]} 22. Rfd1 {[%emt 0:00:21]} h6 {[%emt 0:09:54]} 23. Qb1 {[%emt 0:05:59]} Bb6 {[%emt 0:08:31]} 24. e3 {[%emt 0:05:11]} Nd5 {[%emt 0:00:29]} 25. Bb2 {[%emt 0:00:10]} Nb4 {[%emt 0:00:06]} 26. Bc3 {[%emt 0:03:09]} Nd5 {[%emt 0:00:13]} 27. Ba1 {[%emt 0:00:33]} Nb4 {[%emt 0:03:58]} 28. Qc1 {[%emt 0:01:08]} Rd6 {[%emt 0:02:16]} 29. Qc3 {[%emt 0:03:15]} Qf6 {[%emt 0:06:33]} 30. Kg2 {[%emt 0:01:10]} Qg6 {[%emt 0:00:03]} 31. Bb2 {[%emt 0:02:07]} R6d7 {[%emt 0:00:07]} 32. h4 {[%emt 0:02:08]} Bc7 {[%emt 0:02:33]} 33. Qc1 {[%emt 0:00:45]} e5 {[%emt 0:00:44]} 34. h5 {[%emt 0:00:40]} Qf5 {[%emt 0:01:18]} 35. dxe5 {[%emt 0:00:40]} Rxd2 {[%emt 0:01:15]} 36. Rxd2 {[%emt 0:00:01]} Rxd2 {[%emt 0:00:33]} 37. Qxd2 {[%emt 0:00:06]} Nd3 {[%emt 0:00:29]} 38. e4 {[%emt 0:01:23]} Qd7 {[%emt 0:00:03]} 39. Bg4 {[%emt 0:00:31]} Ne1+ {[%emt 0:00:58]} 40. Qxe1 {[%emt 0:00:00]} Qxg4 {[%emt 0:00:00]} 41. f3 {[%emt 0:12:22]} Qxh5 {[%emt 0:01:58]} 42. Qd2 {[%emt 0:00:11]} Qg5 {[%emt 0:07:46]} 43. Qxg5 {[%emt 0:15:44]} hxg5 {[%emt 0:00:20]} 44. Kh3 {[%emt 0:00:02]} Kh7 {[%emt 0:00:41]} 45. Kg4 {[%emt 0:00:04]} Kg6 {[%emt 0:00:10]} 46. Bc3 {[%emt 0:03:54]} b5 {[%emt 0:01:54]} 47. f4 {[%emt 0:00:08]} gxf4 {[%emt 0:00:06]} 48. gxf4 {[%emt 0:00:03]} Kh7 {[%emt 0:01:58]} 49. Kf5 {[%emt 0:02:26]} Bd8 {[%emt 0:11:28]} 50. e6 {[%emt 0:00:08]} Kg8 {[%emt 0:01:02]} 51. e7 {[%emt 0:00:58]} Bxe7 {[%emt 0:00:04]} 52. Bxa5 {[%emt 0:00:02]} bxa4 {[%emt 0:00:14]} 53. bxa4 Kf8 {[%emt 0:00:12]} 54. Bb6 {[%emt 0:01:27]} Ke8 {[%emt 0:00:10]} 55. a5 {[%emt 0:00:16]} Kd7 {[%emt 0:00:07]} 56. a6 {[%emt 0:00:07]} Kc8 {[%emt 0:00:44]} 57. Kg4 {[%emt 0:01:09]} g6 {[%emt 0:01:20]} 58. Kf3 {[%emt 0:00:22]} Kb8 {[%emt 0:00:55]} 59. Ke3 {[%emt 0:00:34]} Bd6 {[%emt 0:00:35]} 60. f5 {[%emt 0:00:27]} gxf5 {[%emt 0:01:05]} 61. exf5 {[%emt 0:00:01]} Ka8 {[%emt 0:01:18]} 62. Kd4 {[%emt 0:00:05]} Be7 {[%emt 0:03:28]} 63. Bc5 {[%emt 0:00:37]} Bf6+ {[%emt 0:00:18]} 64. Kd3 {[%emt 0:00:27]} Kb8 {[%emt 0:00:59]} 65. Kc4 {[%emt 0:00:05]} Kc7 {[%emt 0:02:16]} 66. Ba7 {[%emt 0:00:09]} Bh4 {[%emt 0:01:14]} 67. Kd3 {[%emt 0:00:13]} Bg5 {[%emt 0:01:01]} 68. Bc5 {[%emt 0:00:09]} Kb8 {[%emt 0:00:43]} 69. Ke4 {[%emt 0:00:02]} Bf6 {[%emt 0:00:20]} 70. Bb6 {[%emt 0:01:29]} Ka8 {[%emt 0:00:32]} 71. Kf4 {[%emt 0:01:10]} Kb8 {[%emt 0:00:11]} 72. Kg4 {[%emt 0:00:14]} Ka8 {[%emt 0:00:05]} 73. Kh5 {[%emt 0:00:39]} Bg7 {[%emt 0:00:05]} 74. Kg5 {[%emt 0:00:05]} Kb8 {[%emt 0:00:05]} 75. Bc5 {[%emt 0:00:12]} Ka8 {[%emt 0:00:12]} 76. Kf4 {[%emt 0:00:22]} Bc3 {[%emt 0:00:45]} 77. Ke4 {[%emt 0:00:15]} Bf6 {[%emt 0:00:05]} 78. Bd4 {[%emt 0:00:24]} Be7 {[%emt 0:00:11]} 79. Ke5 {[%emt 0:01:34]} Kb8 {[%emt 0:00:04]} 80. Bf2 {[%emt 0:00:22]} Ka8 {[%emt 0:00:12]} 81. Bb6 {[%emt 0:00:17]} Kb8 {[%emt 0:00:04]} 82. Kd4 {[%emt 0:00:12]} Ka8 {[%emt 0:01:03]} 83. Kc4 {[%emt 0:00:07]} Bd6 {[%emt 0:00:58]} 84. Bf2 {[%emt 0:00:22]} Be7 {[%emt 0:00:46]} 85. Bc5 {[%emt 0:00:18]} Bh4 {[%emt 0:01:11]} 86. Bg1 {[%emt 0:01:56]} Be7 {[%emt 0:00:11]} 87. Bf2 {[%emt 0:00:01]} Bd6 {[%emt 0:00:23]} 88. Bc5 {[%emt 0:00:53]} Bg3 {[%emt 0:00:17]} 89. Kb4 {[%emt 0:00:10]} Be1+ {[%emt 0:00:51]} 90. Kb3 {[%emt 0:01:31]} Bg3 {[%emt 0:00:35]} 91. Kc2 {[%emt 0:00:12]} Bf4 {[%emt 0:00:45]} 92. Kc3 {[%emt 0:00:28]} Bg3 {[%emt 0:00:08]} 93. Kd2 {[%emt 0:00:17]} Bb8 {[%emt 0:00:51]} 94. Ke3 {[%emt 0:00:39]} Be5 {[%emt 0:00:27]} 95. Kf3 {[%emt 0:00:52]} Bf6 {[%emt 0:01:13]} 96. Kg4 {[%emt 0:00:21]} Be5 {[%emt 0:00:10]} 97. Kg5 {[%emt 0:00:43]} Bg7 {[%emt 0:00:05]} 98. Bb6 {[%emt 0:01:00]} Kb8 {[%emt 0:00:06]} 99. Be3 {[%emt 0:00:20]} Ka8 {[%emt 0:00:09]} 100. Bc5 {[%emt 0:00:05]} Kb8 {[%emt 0:00:09]} 101. f6 {[%emt 0:01:03]} Bh8 {[%emt 0:00:04]} 102. Bd4 {[%emt 0:00:14]} Ka8 {[%emt 0:00:05]} 103. Kf5 {[%emt 0:00:51]} Kb8 {[%emt 0:00:07]} 104. Bc5 {[%emt 0:00:16]} Ka8 {[%emt 0:00:04]} 105. Bf8 {[%emt 0:00:12]} Bxf6 {[%emt 0:00:06]} 106. Kxf6 {[%emt 0:00:03]} Ka7 {[%emt 0:00:04]} 107. Kxf7 {[%emt 0:00:05]} Kb6 {[%emt 0:00:08]} 108. Ke6 {[%emt 0:00:05]} Ka7 {[%emt 0:00:05]} 109. Kd7 {[%emt 0:00:04]} Kb6 {[%emt 0:00:04]} 110. Bc5+ {[%emt 0:00:05]} Kxa6 {[%emt 0:00:04]} 111. Kxc6 {[%emt 0:00:04]} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.25"]
[Round "7.3"]
[White "Shankland, Sam"]
[Black "Jones, Gawain C B"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2717"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "171"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,171,42,31,47,31,22,15,26,-6,-9,-8,-6,-20,-8,-11,40,-31,-34,-27,-21,-25,-19,-22,-6,-25,-24,-29,-14,-47,-42,-47,-43,-52,-51,-51,-43,-42,-10,-20,-15,-58,-66,-58,-20,-22,-22,-21,-25,-87,-87,-83,-82,-75,-54,-48,-8,-8,-8,-41,-40,-35,-29,-29,-29,-29,-29,-29,-29,-36,-16,-24,-25,-25,0,-16,-16,-16,-16,-16,-16,-16,-16,-16,-8,-11,-11,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,0,-16,0,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-16,-17,-16,-16,-16,-16,0,-16,0,-16,0,8]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Rc1 Qa5 9. Qd2 O-O 10. Nf3 Bg4 11. d5 b5 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} (11... Nd7 12. c4 Qa3 13. Be2 Bxf3 14. Bxf3 Bd4 15. Bxd4 cxd4 16. O-O Ne5 17. Qxd4 Nxf3+ 18. gxf3 Qxf3 19. Rc3 {0-1 (40) Kramnik,V (2783)-Grischuk,A (2792) Stavanger 2014}) 12. Be2 Nd7 13. O-O Rad8 $146 ({Predecessor:} 13... Rac8 14. h3 Bxf3 15. Bxf3 Qa4 16. Bg4 Rcd8 17. Qc2 Qxc2 18. Rxc2 {1-0 (35) Hort,V (2455)-Petrova,K (2310) Podebrady 2012}) 14. Rfe1 Bxf3 15. Bxf3 c4 16. h4 e6 17. Bg5 Ne5 (17... f6 $11 18. Be3 Ne5) 18. Be2 ({White should try} 18. Bxd8 $14 Qxd8 19. Be2) 18... Rd7 $15 19. f4 h6 {[#] And now ...Nd3! would win.} 20. fxe5 hxg5 21. Qxg5 Qd8 ({Don't play} 21... exd5 $6 22. Bg4 $16) 22. Qxd8 Rdxd8 23. a4 a6 24. axb5 axb5 25. Rb1 Rb8 26. Rb4 Bxe5 27. Reb1 Bxc3 28. Rxb5 Bd4+ 29. Kf1 Rbc8 30. d6 c3 {[#] aiming for ...c2.} 31. Bd3 Rcd8 32. e5 f6 33. exf6 Bxf6 34. h5 (34. Ke2 $11) 34... Rxd6 $17 35. Ke2 gxh5 36. Rxh5 Rfd8 37. Rh3 Rd5 38. Rb7 R8d7 39. Rb8+ Kf7 {...Rc5 is the strong threat.} 40. Rc8 Re5+ 41. Kf2 Rg5 42. Rh7+ Rg7 43. Rxg7+ Bxg7 $11 {[%mdl 4096] Endgame KRB-KRB} 44. Ke2 Be5 45. Rc6 Ke7 46. g4 Kf6 47. g5+ {The position is equal.} Kxg5 48. Rxe6 Kf4 49. Re8 Rd6 50. Rf8+ Bf6 51. Re8 Bg5 52. Rf8+ Kg4 53. Rg8 c2 54. Rxg5+ $1 Kxg5 55. Bxc2 {KR-KB} Kf4 56. Bh7 Ke5 57. Bb1 Kd4 58. Kf3 Rf6+ 59. Ke2 $1 Rf8 60. Bh7 $1 Rh8 61. Bg6 Rh3 62. Bf5 Re3+ (62... Rh1 {looks sharper.} 63. Kf2 Ke5 64. Bd7 Rh7 65. Bc6 Rc7) 63. Kf2 Re7 {( -> ...Rf7!)} 64. Kf3 Rf7 65. Kf4 Rf8 66. Kg4 Ke5 67. Bh7 Rf2 68. Bd3 Rd2 69. Bh7 Rd8 70. Kf3 Rh8 71. Bg6 Rh3+ 72. Ke2 Kd4 73. Bf5 Re3+ (73... Rh1 {with more complications.} 74. Kf2 Ke5 75. Bd7 Rh7 76. Bc6 Rc7) 74. Kf2 Re5 75. Bc2 Rc5 76. Bh7 Rh5 77. Bg6 Rh6 78. Bb1 Rh4 (78... Rb6 $5 79. Bh7 $8 Rb2+ 80. Kf3 Rh2 $11) 79. Kf3 Rh3+ 80. Ke2 Re3+ 81. Kf2 Re7 82. Kf3 Rb7 83. Bf5 Rf7 84. Kf4 Rf8 85. Kg4 $1 Rxf5 86. Kxf5 {Accuracy: White = 69%, Black = 57%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.26"]
[Round "8.1"]
[White "Xiong, Jeffery"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "E10"]
[WhiteElo "2684"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,87,10,8,9,11,15,22,20,6,14,15,14,14,8,9,16,9,0,0,17,-10,-16,-66,-55,-68,-67,-57,-63,-44,-48,-45,-50,-60,-42,-48,-48,-37,7,0,2,0,0,-7,0,0,3,7,6,0,7,2,2,2,2,0,4,4,4,4,4,4,4,5,19,0,0,0,2,4,4,4]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Rd1 Nbd7 10. b3 h6 {E11: Bogo-Indian} (10... Bb7 11. Nc3 Ba6 12. e4 dxc4 13. Bf4 b5 14. bxc4 bxc4 15. h3 Qa5 16. Bd2 Qc7 17. Re1 Rfe8 18. Rac1 {½-½ (69) Cheparinov,I (2667)-Gelfand,B (2676) Hengshui 2019}) 11. Bc3 Bb7 12. Nbd2 Qc7 13. Rac1 $146 ({Predecessor:} 13. e4 dxe4 14. Nxe4 Nxe4 15. Qxe4 c5 16. Qe3 Rfe8 17. Rd2 Rad8 18. Rad1 Qc8 19. dxc5 Nxc5 20. Rxd8 Rxd8 21. Rxd8+ Qxd8 22. Ne1 Bxg2 23. Kxg2 {½-½ (23) Alfaro de Hombre,J (2197)-Bartsch,R (2090) ICCF email 2016}) 13... Rac8 14. Qb2 Qb8 15. Ne5 Nxe5 16. dxe5 Nd7 17. b4 Rfd8 18. a3 Qa8 19. e4 Nf8 20. c5 bxc5 {Strongly threatening ...d4.} 21. bxc5 Bxc5 22. Ba5 {[#]} Bb6 $1 {[%cal Rb6a5][%mdl 512]} 23. Bxb6 axb6 24. Qxb6 Nd7 25. Qe3 Ba6 26. f4 d4 27. Qxd4 Be2 (27... Nxe5 $5 28. Qxe5 Be2 $14) 28. Re1 {The position is equal.} Qxa3 29. Rc3 Qa6 30. Nb3 Bb5 31. Ra1 Qb6 32. Qxb6 Nxb6 33. Bf1 g6 34. Bxb5 cxb5 35. Rxc8 Rxc8 $11 {[%mdl 4096] Endgame KRN-KRN} 36. Ra5 Rc4 37. Rxb5 Na4 38. Na5 Rc5 39. Rb8+ Kg7 40. Ra8 Nb6 41. Ra6 Rc1+ 42. Kf2 Ra1 43. Rxb6 Rxa5 44. Rb2 {Accuracy: White = 63%, Black = 69%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.26"]
[Round "8.2"]
[White "Jones, Gawain C B"]
[Black "Swiercz, Dariusz"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2709"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,74,0,3,0,8,0,0,-8,9,-4,0,0,5,21,11,9,15,17,11,11,15,8,34,-8,-12,-70,-41,-52,-38,-97,-93,-212,-203,-237,-231,-257,-267,-266,-268,-282,-268,-318,-272,-478,-417,-851,-850,-850,-793,-966,-943,-1125,-1046,-1668,-1671,-3663,-3472,-29983,-29984,-29989,-29987,-29988,-29989]} 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. Bc4 d6 6. d4 cxd4 7. cxd4 Be7 8. O-O {B22: Sicilian: 2 c3} O-O 9. exd6 (9. Bd2 dxe5 10. dxe5 Nb6 11. Bb3 Bd7 12. Qe2 Ba4 13. Bxa4 Nxa4 14. Nc3 Nxc3 15. Bxc3 Nc6 {½-½ (30) Petrov,N (2591)-Zvjaginsev,V (2642) Skopje 2019}) 9... Qxd6 10. Nc3 {The position is equal.} Nxc3 11. bxc3 b6 12. Ne5 Nc6 13. Bf4 Nxe5 14. Bxe5 Qc6 15. Bb3 $146 ({Predecessor:} 15. Bd3 Bb7 {0-1 (45) Blazeka,M (2249)-Loncar,R (2389) Hum na Sutli 2012}) 15... Bb7 {[%csl Gb7][%cal Rc6g2] [#]} 16. Qg4 {[%csl Ge5][%cal Rg4g7]} g6 17. Rfe1 Qxc3 18. Qf4 (18. Rec1 $5 {[%cal Rc1c3]} Qb2 19. Rab1 $11) 18... Bd5 $40 {[%mdl 128] Black attacks.} 19. Rec1 (19. Rac1 $11 Qa5 20. Bxd5 (20. Qh6 f6 $17) 20... exd5 21. h4 (21. Qh6 f6 $17)) 19... Qb4 20. Rab1 Qa3 21. Rc3 ({White should play} 21. h4 $1 $15) 21... Bxb3 22. Rcxb3 (22. axb3 $17 Rac8 23. Rxc8 Rxc8 24. h4) 22... Qxa2 $19 23. d5 exd5 24. Bd4 {White wants to play Qe5!} Bc5 25. Bxc5 bxc5 26. h4 Qc2 27. Rb7 Qe4 28. Qc7 $2 (28. Qxe4 dxe4 29. Re7) 28... Rac8 29. Qd7 (29. Qe7 $142) 29... c4 {[%cal Bc5c4,Bc4c3,Bc3c2][%mdl 32]} 30. h5 c3 {[#] ...c2 is the strong threat.} 31. Rc1 d4 {And now ...d3 would win.} 32. Rb4 Rfd8 33. Qxa7 c2 34. Qa4 Qc6 35. Qa7 d3 {Black mates.} 36. Rf4 Rd7 37. Qa1 d2 {Accuracy: White = 20%, Black = 69%.} 0-1

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.26"]
[Round "8.3"]
[White "Howell, David W L"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "2692"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,61,0,0,20,10,27,0,30,40,45,45,45,50,38,10,10,8,8,8,10,9,9,9,9,9,9,8,8,9,9,8,4,4,4,10,10,10,8,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. b3 O-O 7. Bb2 c5 8. d4 Na6 {A30: Symmetrical English: Double Fianchetto and Hedgehog} (8... cxd4 9. Qxd4 Nc6 10. Qf4 Qb8 11. Nc3 Rd8 12. Rfd1 h6 13. Rac1 a6 14. Na4 Qa7 15. Qc7 b5 16. Bxf6 Rac8 17. Qb6 Bxf6 18. Qxa7 Nxa7 19. Nb6 Rc7 20. cxb5 Rxc1 21. Rxc1 Nxb5 {½-½ (47) Nakamura,H (2746)-Jobava,B (2627) St Petersburg 2018}) 9. Nc3 d5 10. Ne1 $146 ({Predecessor:} 10. Ne5 Nc7 11. e3 Bd6 12. a4 Qc8 13. cxd5 exd5 14. Rc1 Qe6 15. Ne2 Rfd8 16. Nd3 Ne4 17. Nef4 Qh6 18. f3 Ng5 19. dxc5 bxc5 20. Nxc5 Bxc5 21. Rxc5 {1-0 (28) Epishin,V (2614)-Thinius,M (2384) Geneve 2005}) 10... Nc7 11. dxc5 Bxc5 12. Nd3 Be7 13. Nf4 Rc8 14. Qd2 Ba8 {The position is equal.} 15. cxd5 Ncxd5 16. Ncxd5 Nxd5 17. Nxd5 Bxd5 18. Bxd5 Qxd5 19. Qxd5 exd5 20. Rac1 f6 21. Rfd1 Rfd8 22. Kg2 Kf7 23. Kf3 Ke6 24. Ke3 Bd6 25. Kd3 Be5 26. Bd4 Bxd4 27. Kxd4 Kd6 28. Kd3 a5 29. h4 Rc5 30. Rc3 Re8 {next ...Rxc3+ is good for Black.} 31. Rdc1 {Accuracy: White = 79%, Black = 80%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.27"]
[Round "9.1"]
[White "Howell, David W L"]
[Black "Xiong, Jeffery"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2692"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,78,12,20,16,12,0,0,0,0,0,0,0,0,-74,-97,-95,-88,-78,-100,-97,-85,-75,-79,-122,-75,-94,-70,-77,-74,-225,-211,-215,-223,-317,-310,-314,-307,-296,-258,-251,-245,-260,-244,-256,-238,-342,-334,-325,-333,-435,-439,-445,-431,-430,-422,-443,-450,-461,-454,-439,-432,-439,-426,-434,-429,-450,-435,-468,-466,-450,-439]} 1. Nf3 d5 2. g3 Nd7 3. c4 dxc4 4. Qa4 g6 (4... a6 5. Qxc4 b5 6. Qc2 Bb7 7. Bg2 Ngf6 8. O-O e6 9. a4 c5 10. axb5 axb5 11. Rxa8 Qxa8 12. Na3 Bc6 13. Ne1 Nd5 14. d4 Be7 15. dxc5 Nxc5 16. Bxd5 exd5 17. Nd3 Nxd3 18. Qxd3 b4 19. Nc2 O-O 20. Bd2 {½-½ (30) Van Foreest,J (2640)-Christiansen,J (2506) Pardubice 2018}) 5. Qxc4 Bg7 6. d4 $146 {A09: Réti Opening: 1 Nf3 d5 2 c4} ({Predecessor:} 6. Bg2 e5 7. O-O Ne7 8. d3 h6 9. Qc2 O-O 10. Nc3 Nc6 11. Rb1 Nb6 {0-1 (38) Franciskovic,B (2123)-Krivec,J (2299) Rijeka 2006}) 6... Nh6 7. Nc3 Nb6 8. Qc5 {The position is equal.} Nf5 {[%cal Rf5d4]} 9. Bf4 Nxd4 {[%cal Rd4c2]} 10. O-O-O {[%cal Rf3d4]} Nd7 11. Qxc7 (11. Qa3 $1 $11 Ne6 12. Be3) 11... Qxc7 $17 12. Bxc7 Ne6 13. Ba5 b6 14. Bb4 a5 15. Ba3 Bb7 16. Bg2 Nec5 17. Nb5 {Black must now prevent Nc7+.} Rc8 $36 {[%mdl 2048] Strongly threatening ...Nd3+. Black is more active.} 18. Na7 Rb8 19. Ne1 $2 {[#]} (19. Rhg1 $17) 19... Bxg2 $1 $19 20. Nxg2 {[#]} Ne4 $1 21. Rxd7 (21. Rd5 $142 Rb7 22. Nb5 Nxf2 23. Rf1) 21... Kxd7 22. Rd1+ Kc7 23. f3 Nc5 24. Ne3 Rhd8 25. Rxd8 Rxd8 26. Bxc5 bxc5 {[%mdl 4096] Endgame KRB-KNN} 27. a4 (27. Nb5+ {keeps fighting.} Kc6 28. Na3) 27... Bh6 28. f4 {[#]} e5 $1 29. Ng4 (29. fxe5 Bxe3+) 29... Bg7 {Black is clearly winning.} 30. fxe5 h5 31. Nb5+ Kc6 32. Nf2 Bxe5 33. Nd3 Bb8 34. Na3 {[#]} h4 $1 35. Nc4 (35. gxh4 Rd4) 35... Bc7 36. b3 Rd5 37. gxh4 Rh5 38. h3 Rxh4 39. Nf2 f5 {Accuracy: White = 63%, Black = 92%.} 0-1

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.27"]
[Round "9.2"]
[White "Le, Quang Liem"]
[Black "Jones, Gawain C B"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2694"]
[BlackElo "2709"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,16,11,7,6,4,2,15,0,0,0,4,0,0,0,0,-7,0,0,0,-16,0,0,0,-17,-6,-13,-12,-8,0,-9,0,-2,0,0,44,41,48,42,37,41,28,36,77,80,154,164,162,154,327,56,52,0,302,252,500,477,679,679,653,671,29987,29988,29990,29991]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. Bxc6 dxc6 7. d3 Bd6 8. Nbd2 Be6 {C85: Closed Ruy Lopez: Deferred Exchange Variation} 9. b3 Nd7 (9... c5 10. a4 O-O 11. a5 Nd7 12. Nc4 f6 13. Kh1 Nb8 14. Ng1 Nc6 15. Ne2 Qd7 16. Be3 {1-0 (86) Howell,D (2620)-Negi,P (2661) Leiden 2012}) 10. a4 a5 $146 {The position is equal.} ({Predecessor:} 10... Qf6 11. Nc4 Bg4 12. h3 Bxf3 13. Qxf3 Qxf3 14. gxf3 Nf8 15. f4 exf4 16. Nxd6+ cxd6 17. Bxf4 {½-½ (31) Har Even,A (2446)-Petkov,S (2351) ICCF email 2012}) 11. Nc4 Bxc4 12. bxc4 O-O 13. Rb1 Re8 14. c3 b6 15. Bg5 Be7 16. Be3 Bf6 17. Qc2 c5 18. g3 Nf8 19. Ne1 Qd7 20. f4 exf4 21. gxf4 Rad8 22. f5 h6 23. Rf3 Nh7 24. Bf4 Qe7 25. Ng2 Be5 26. Rbf1 Nf6 27. Kh1 Kh8 28. Rh3 Rd6 29. Rg1 $1 Red8 {[#]} ({Black should try} 29... Rdd8) 30. Bxe5 $1 $16 Qxe5 {[#]} 31. Ne1 $1 Ne8 $2 (31... Qf4 $16 {was necessary.}) 32. Rg4 $2 (32. Qc1 $18) 32... Nf6 33. Rg1 $2 (33. Rg2 $14) 33... Ne8 $1 $18 34. Qc1 $40 {[%mdl 128] White has strong attack.} Qe7 $2 (34... Qf6 35. Qe3 R6d7) 35. Qf4 Qd7 (35... b5 $142 36. e5 Rb6 37. axb5 Qf8) 36. e5 Qc6+ 37. Nf3 Rxd3 {[#]} 38. f6 $1 {[%mdl 512]} Kg8 (38... gxf6 39. Rxh6#) 39. Qxh6 {Accuracy: White = 69%, Black = 36%.} 1-0

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.27"]
[Round "9.3"]
[White "Swiercz, Dariusz"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "2667"]
[BlackElo "2717"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,99,33,28,17,28,9,32,40,35,-20,-21,-8,-18,-26,10,-15,-26,-20,-19,-44,-19,-37,-17,-31,-32,-62,-10,-7,-7,-14,-6,-37,-3,-87,0,0,0,-18,-12,-2,58,27,74,27,176,144,167,30,26,45,47,0,0,-14,-18,-18,0,-87,-8,-53,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 Bf5 5. Nc3 e6 6. Nh4 Be4 7. f3 Bg6 8. Qb3 Qc7 9. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5} Be7 10. g3 a6 11. Nxg6 {White is slightly better.} hxg6 12. Qc2 $146 ({Better is} 12. c5 $14) ({Predecessor:} 12. a4 Nbd7 13. Rc1 Rd8 14. a5 Rh5 15. cxd5 exd5 16. Be2 Nf8 {0-1 (61) Buhmann,R (2568)-Vallejo Pons,F (2698) Skopje 2019}) 12... dxc4 $11 13. Bxc4 c5 14. dxc5 Bxc5 15. Rc1 Nc6 16. Ne4 Bb6 17. b4 Nd5 18. Qb3 Rd8 19. f4 O-O 20. a3 Rd7 (20... Nf6 $15 21. Nxf6+ gxf6) 21. h4 Nf6 22. Nxf6+ $1 gxf6 23. h5 {[#] aiming for hxg6.} g5 24. h6 (24. Qb2 $11) 24... Ne5 (24... Kh7 $17) 25. h7+ Kh8 26. Be2 Qd8 {[#] Strongly threatening ...Nd3+.} 27. Qb2 $1 $132 {[%mdl 2048] White has counterplay} gxf4 (27... Nc6 $11) 28. gxf4 $14 Ng6 ({Avoid the trap} 28... Nd3+ $2 29. Bxd3 Qe7 30. Ke2 $18) 29. Rh3 Kg7 (29... Rd6 $11) 30. Bc3 $18 Rh8 31. Rd1 (31. Bf1 $18) 31... Rxd1+ $1 $11 32. Bxd1 {And now Bc2 would win.} Qe7 33. Bc2 Bd8 34. Bxg6 fxg6 35. Qh2 Qc7 36. Bb2 (36. e4 $11 {remains equal.}) 36... Be7 ({Black should try} 36... a5 $17) 37. Qg2 Qc6 (37... Qd7 $1 $15) 38. Qxc6 {The position is equal.} bxc6 {[%mdl 4096] Endgame KRB-KRB} 39. e4 $1 Rxh7 40. Rc3 $1 Rh1+ 41. Kd2 Rh2+ 42. Kc1 Kf7 43. Rxc6 g5 44. fxg5 fxg5 45. Rxa6 g4 46. Be5 Re2 47. Ra7 {Black must now prevent Bd6.} Ke8 48. Ra8+ Kf7 49. Ra7 {Threatens to win with Bd6.} Ke8 50. Ra8+ {Accuracy: White = 41%, Black = 44%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.28"]
[Round "10.1"]
[White "Xiong, Jeffery"]
[Black "Swiercz, Dariusz"]
[Result "1/2-1/2"]
[ECO "E21"]
[WhiteElo "2684"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,11,27,0,10,5,8,12,12,9,9,16,10,9,9,9,9,12,17,7,0,4,9,5,6,8,39,31,47,44,39,47,41,32,32,31,28,21,29,35,45,24,15,34,20,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 d5 5. cxd5 exd5 6. Bf4 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} (6. Bg5 h6 7. Bh4 O-O 8. e3 Bf5 9. Be2 Nbd7 10. Qb3 Ba5 11. O-O c6 12. Ne5 Qb6 13. Nxd7 Nxd7 14. Rfc1 Qxb3 15. axb3 {½-½ (26) Giri,A (2797)-Navara,D (2739) Shamkir 2019}) 6... Ne4 7. Rc1 Nd7 $146 ({Predecessor:} 7... Bxc3+ 8. bxc3 g5 9. Be3 f5 10. g3 Rf8 11. Qb3 f4 12. gxf4 gxf4 13. Bd2 Nc6 {0-1 (48) Sjugirov,S (2650)-Ni,H (2671) Riadh 2017}) 8. Nd2 Nxc3 9. bxc3 Ba3 10. Rb1 Nb6 11. Qc2 Bd7 12. e3 Qe7 13. Bb5 c6 14. Bd3 c5 15. dxc5 Bxc5 16. Nb3 Bd6 {[#] Hoping for ...Bxf4.} 17. O-O Rc8 18. Nd4 g6 19. Nb5 Bxb5 20. Bxb5+ Kf8 21. Bxd6 Qxd6 22. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Kg7 23. Qd2 Rc7 24. a5 Nc8 25. Qd4+ Qf6 26. Be2 Rd8 27. Bg4 {The position is equal.} Rc4 28. Qxf6+ Kxf6 29. Bxc8 Rdxc8 30. Rxb7 R8c7 {Accuracy: White = 78%, Black = 83%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.28"]
[Round "10.2"]
[White "Shankland, Sam"]
[Black "Le, Quang Liem"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2717"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,25,17,7,11,19,0,12,-50,-14,-6,-11,-13,-8,-35,0,0,20,16,16,17,15,22,20,8,33,5,2,9,42,41,38,42,50,50,50,41,43,43,60,60,69,43,41,17,39,11,37,16,22,2,41,18,42,0,0,0,0,0,0,0]} 1. c4 Nf6 2. Nf3 b6 3. g3 Bb7 4. d4 e6 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Bd2 f5 9. Rc1 Bf6 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} 10. e3 c5 $146 ({Predecessor:} 10... a5 11. Qe2 Na6 12. Rfd1 Qe7 13. Ne1 Nxc3 14. Bxc3 Bxg2 15. Nxg2 d5 16. cxd5 exd5 17. Qb5 {1-0 (54) Ikonnikov,V (2528)-Schwing,H (2338) Baden 2017}) 11. dxc5 bxc5 12. Qb3 (12. Ne1 $11) 12... Qb6 13. Rfd1 d6 14. Ne1 Nd7 15. Nd3 Rab8 (15... Nxc3 {is interesting.} 16. Bxc3 Bxg2 17. Kxg2 Qc6+ 18. Kg1 Rab8) 16. Qxb6 Nxb6 17. b3 Nxc3 18. Bxc3 Bxc3 19. Rxc3 Kf7 20. Re1 Nd7 21. e4 fxe4 22. Bxe4 Nf6 (22... Bxe4 {feels hotter.} 23. Rxe4 a5 24. Kg2 g5 25. f4 Nf6) 23. Bxb7 Rxb7 24. f4 a5 25. Nb2 Rc7 26. Na4 Re8 27. Kg2 e5 28. fxe5 dxe5 29. Rce3 e4 30. Nc3 {[%cal Rc3e4]} Rce7 31. h3 h5 32. Kf2 Re5 33. R1e2 Kg6 34. Ke1 Kg5 35. Rf2 Rd8 {The position is equal.} 36. Rf4 {[%cal Rc3e4]} Rd4 37. Ke2 Kg6 38. Rh4 {Accuracy: White = 35%, Black = 43%.} 1/2-1/2

[Event "Summer Chess Classic-A 2019"]
[Site "Saint Louis"]
[Date "2019.06.28"]
[Round "10.3"]
[White "Jones, Gawain C B"]
[Black "Howell, David W L"]
[Result "0-1"]
[ECO "C65"]
[WhiteElo "2709"]
[BlackElo "2692"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2019.06.18"]
[EventType "tourn"]
[EventCountry "USA"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,148,22,18,27,32,0,19,0,12,-15,-5,-5,-4,-7,0,0,0,-12,-20,-22,-6,-15,-9,-23,-19,-34,-36,-19,-29,-26,0,0,0,-48,-57,-119,-124,-125,-121,-108,-103,-97,0,-86,-84,-107,-95,-103,0,-88,-73,-82,-78,-88,-88,-19,0,-75,0,-126,-16,-37,-35,-28,-8,-8,-8,-8,-8,-8,-8,-8,0,-9,-7,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,0,-16,-15,-59,-8,-64,-68,-138,-131,-376,-366,-1454,-1575,-5929,-5929,-29974,-29975,-29975,-29976,-29976,-29977,-29977,-29977,-29980,-29981,-29981,-29982,-29984,-29984,-29985,-29986,-29986,-29987,-29987,-29988]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Qe7 (6... Bd6 7. Nbd2 Be6 8. d4 Nd7 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. f4 Qd4+ 12. Kh1 Bd6 13. Qe2 O-O-O {½-½ (44) Leko,P (2702)-Wang,H (2795) Hengshui 2019}) 7. Be3 Bg4 8. Nbd2 {The position is equal.} Nd7 9. Nc4 f6 10. a3 $146 ({Predecessor:} 10. c3 O-O-O 11. b4 Bxe3 12. Nxe3 h5 13. h3 Be6 {0-1 (38) Meglic,J (1943)-Zirkelbach,M (2173) Bled 2016}) 10... O-O 11. b4 Bd6 12. h3 Bh5 13. g4 Bf7 14. Na5 Rfb8 15. Nh4 g6 16. Qd2 $1 c5 {[%cal Rc5b4]} 17. Rab1 cxb4 18. axb4 c5 {[%cal Rc5b4]} 19. b5 Nf8 20. f4 f5 $36 {[%mdl 2048] Black is pushing.} 21. fxe5 Qxh4 22. exd6 (22. Bf4 $1 $15) 22... Qg3+ $17 ({Of course not} 22... Qxh3 $6 23. gxf5 Qg3+ 24. Kh1 $11) 23. Kh1 Qxh3+ 24. Kg1 Qg3+ 25. Kh1 Qh3+ 26. Kg1 fxe4 $1 27. dxe4 Qg3+ 28. Kh1 Qh3+ 29. Kg1 {[#]} Re8 $1 {[%cal Re8e4]} 30. Qf2 Qxg4+ {[%mdl 64] Double Attack} 31. Kh2 Qh5+ 32. Kg1 Qg4+ ({Black should try} 32... g5 $11 33. Qf5 Bg6 34. Qxg5 Qxg5+ 35. Bxg5 Rxe4) 33. Kh2 $1 Qh5+ (33... Ba2 $142 34. c4 Nd7) 34. Kg1 g5 (34... Ba2 $17 35. c4 Qg4+ 36. Kh2 Nd7) 35. Qg2 Bg6 36. Qxg5 Qxg5+ 37. Bxg5 Rxe4 {And now ...Rg4+ would win.} 38. Be7 Rg4+ {[%mdl 64] Discovered Attack} 39. Kh2 Nd7 40. Nxb7 Rc4 41. Nd8 Rxc2+ 42. Kg1 Be4 43. Rf4 Rg2+ {[%mdl 64] Discovered Attack} 44. Kf1 Bxb1 45. Kxg2 Rb8 46. Ne6 Rxb5 (46... h5 {feels hotter.} 47. Ra4 Kf7 48. Ng5+ Kg6 49. Rxa7 Bf5) 47. Nf8 $1 {[%cal Rf8d7]} Rb7 48. Nxd7 Rxd7 $11 {[%mdl 4096] Endgame KRB-KRB} 49. Kg3 Kg7 50. Rf8 a5 51. Kf4 a4 52. Ke5 Ba2 53. Rc8 Kf7 54. Rf8+ Kg7 55. Rf4 Bb3 56. Bf8+ Kg6 57. Rf6+ Kg5 {White must now prevent ...a3.} 58. Be7 Kg4 {Strongly threatening ...a3.} 59. Ke4 Bc2+ (59... Rb7 $15 60. Rf4+ Kg3 61. Rf3+ Kg2) 60. Kd5 ({White should play} 60. Ke5 $11 Bb3 61. Rf4+ Kh3 62. Rf3+ Kg4 63. Rf4+ Kg3 64. Bh4+ Kg2 65. Rf2+ Kh3 66. Bg5) 60... a3 {[%cal Ba4a3,Ba3a2][%mdl 32]} 61. Rf2 (61. Rf1 $15) 61... a2 $17 62. Bf6 $2 (62. Rf1 $17 {was called for.}) 62... Bb3+ $19 63. Kc6 $2 (63. Kxc5 Rf7 64. Rg2+ Kf3 65. d7 Rxd7 66. Rg7 Rd5+ 67. Kb4) 63... Rf7 64. d7 Ba4+ 65. Kd6 {[#]} Rxf6+ $1 {Black mates.} 66. Rxf6 {[#]} Bxd7 $1 {[%mdl 512] KR-KB} 67. Rf1 {[#]} (67. Kxd7 a1=Q) 67... Bf5 $1 {[%cal Rf5b1]} 68. Ke5 Bc2 69. Rc1 h5 70. Kd5 h4 71. Kxc5 h3 72. Kb4 Bb1 73. Rc4+ Kg3 74. Rc3+ Kg2 {Accuracy: White = 45%, Black = 63%.} 0-1

