[Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "10"] [White "Caruana, Fabiano"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "C93"] [WhiteElo "2806"] [BlackElo "2714"] [Annotator "Shahid"] [PlyCount "79"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 0,79,35,26,22,29,26,4,25,-4,6,-2,3,2,3,-24,-24,-29,-10,-25,15,15,10,0, 25,17,25,11,21,24,20,15,28,21,27,-1,26,24,60,20,72,41,47,32,71,71,102,117,104, 77,100,120,112,102,102,94,89,95,228,180,504,504,504,504,504,504,496,346,471, 427,438,464,464,501,508,561,669,770,846,906,1027,1031]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 Re8 9. Nbd2 Bf8 10. h3 h6 11. d4 b5 12. Bc2 Bb7 13. d5 Nb8 14. b3 c6 15. c4 Qc7 16. Nf1 Nbd7 17. Ng3 bxc4 18. bxc4 a5 19. Be3 Nc5 (19... Rec8) 20. Nd2 cxd5 21. exd5 g6 $6 22. Bxc5 dxc5 23. Rb1 Reb8 24. Qf3 Ne8 25. h4 h5 26. Nxh5 gxh5 27. Qxh5 Bg7 28. Rb3 Ra6 29. Rg3 Kf8 30. Rxg7 Kxg7 31. Qh7+ Kf8 32. Qh8+ Ke7 33. Rxe5+ Re6 (33... Kd7 34. Bf5+ Kd6 35. Ne4#) 34. dxe6 Nf6 35. Rxc5 Qd6 36. Qg7 Rf8 37. Nb3 a4 38. Rf5 Qxe6 39. Nc5 Qe1+ 40. Kh2 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "10"] [White "So, Wesley"] [Black "Dominguez Perez, Leinier"] [Result "1-0"] [ECO "A36"] [WhiteElo "2772"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,93,0,19,0,0,0,0,0,0,0,0,0,30,27,20,0,40,37,46,43,58,61,75,75,84,70,81, 93,273,266,260,283,276,266,281,279,283,275,271,273,310,280,329,326,392,383,404, 349,408,350,407,404,430,399,384,359,472,465,541,567,563,564,551,536,645,645, 687,668,631,584,684,572,604,588,604,599,631,620,790,793,752,734,843,829,733, 722]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. d3 d6 6. Qd2 {A36: Symmetrical English vs ...g6: 4 Bg2 Bg7.} e6 7. b3 Nge7 8. Bb2 {The position is equal.} O-O 9. h4 h6 10. Nf3 {[#]} d5 $146 ({Predecessor:} 10... e5 11. O-O Be6 12. Rac1 Qd7 13. e3 f5 14. Ne2 Bf7 15. a3 a5 16. Nc3 Rad8 {0-1 (32) Maghsoodloo,P (2676)-Hong,A (2449) Chess.com INT 2020}) 11. cxd5 exd5 12. Na4 Bxb2 13. Nxb2 Kh7 14. Rc1 b6 15. d4 $36 {[%mdl 2048] White has the initiative.} cxd4 16. h5 {And now hxg6+ would win.} g5 {[#]} 17. Rxc6 $1 {[%mdl 64] Decoy} Nxc6 18. Qc2+ {[%mdl 64] Double Attack} Kg7 $2 {Black cannot hold the game after this.} (18... d3 $16 19. Qxc6 Ba6) 19. Qxc6 $18 Bg4 20. Qa4 Qf6 21. Qxd4 ({Much less strong is} 21. Nxd4 $6 Rac8 $18) 21... Rac8 22. Kd2 ({Weaker is} 22. Qxg4 Qc3+ 23. Kf1 Qxb2 $16) 22... Bxf3 23. Qxf6+ Kxf6 24. Bxf3 d4 25. Be4 Ke5 26. Bd3 f5 27. Nc4+ Ke6 28. a4 {[%CAl Ba2a4,Ba4a5][%mdl 32]} Rfd8 29. Rf1 Rc7 30. f3 Rf8 31. Ra1 Rc5 32. Na3 Rc7 33. a5 {White is clearly winning.} Rb8 34. Nb5 Rd7 35. axb6 Rxb6 36. Nxa7 Rdb7 37. Ra5 f4 38. gxf4 gxf4 39. Nb5 Ke5 40. Na3+ Ke6 41. Nc2 Rd6 42. b4 Rg7 43. Bg6 Rb7 44. Kd3 Ke7 45. Re5+ Kf6 46. Rf5+ Kg7 47. Rxf4 {Weighted Error Value: White=0.11/Black=0.34} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "10"] [White "Nakamura, Hikaru"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "E32"] [WhiteElo "2736"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "51"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 18,51,9,18,17,8,26,24,21,0,30,33,29,27,34,15,43,11,42,39,43,44,79,25,54, 61,57,33,34,0,20,0,45,0,18,0]} 1. d4 {Postny,E} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. Nf3 O-O 6. a3 Bxc3+ 7. Qxc3 Nbd7 8. g3 b6 9. Bg2 Bb7 10. O-O Re8 { E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0.} 11. b3 h6 12. Bb2 Be4 {[#] White has an edge.} 13. Bh3 $146 ({Predecessor:} 13. Rad1 Qe7 14. Rfe1 Rad8 15. b4 c5 16. dxc5 bxc5 17. Bf1 Nb6 18. Ba1 d5 19. cxd5 cxb4 20. Qxb4 Qxb4 21. axb4 Nfxd5 {1/2-1/2 (42) Ovsejevitsch,S (2497)-Postny,E (2499) Budapest 2003 CBM 095 Extra [Postny,E]}) 13... c6 14. Rfe1 Bh7 15. Nd2 d5 16. Rad1 a5 17. Bg2 a4 18. b4 b5 19. c5 $1 Qc7 20. Qc1 (20. f3 $16) 20... e5 21. dxe5 Nxe5 22. Nf3 Nfd7 23. Nd4 Nf6 24. Nf3 Nfd7 25. Nd4 Nf6 26. Nf3 {Weighted Error Value: White=0.15/Black=0.12} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "10"] [White "Xiong, Jeffery"] [Black "Le, Quang Liem"] [Result "0-1"] [ECO "C47"] [WhiteElo "2710"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "84"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,84,46,47,37,36,33,37,40,40,43,46,16,20,26,29,19,42,44,24,33,54,68,65, 2,10,0,0,0,0,0,0,-68,0,-482,0,-8,-8,-120,-73,-126,-114,-124,-113,-117,-117, -118,-118,-120,-121,-121,-22,-137,-134,-372,-372,-372,-372,-360,-352,-29969, -29970,-29970,-29971,-29981,-29982,-29981,-29982,-29982,-29982,-29996,-29997]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe4 6. Nxe4 Qe7 7. f3 d5 8. Bb5 {The main line 8.Bb5 scores better than 8.Nxc6.} Bd7 {[#]} 9. O-O $1 { C47: Scotch Four Knights and Four Knights with 4 g3.} dxe4 10. Bxc6 bxc6 11. Re1 {White is slightly better.} O-O-O 12. Rxe4 Qb4 13. Qe2 {Hoping for Ne6.} Bc5 {[#]} 14. Be3 $146 {aiming for Nxc6!} ({Predecessor:} 14. c3 Qb6 15. Be3 f5 16. Re5 Rde8 17. Rxe8+ Rxe8 18. Qd2 a5 19. Rd1 g6 20. Kh1 {1-0 (39) Sharon,R (1481)-Yahya,S (1349) Sharjah 2019}) 14... Rhe8 {White must now prevent ... Rxe4.} 15. c3 Qb7 16. b4 Rxe4 17. fxe4 Bd6 18. Qc4 Re8 19. Qxf7 ({Better is} 19. Bf2 $1 $14) 19... c5 $11 20. bxc5 Qxe4 21. Bf2 Bxc5 22. Qxg7 Qd5 23. Bg3 ( 23. Qf6 $11) 23... Re2 (23... h5 $1 $15 24. h4 Rg8) 24. Bf4 $2 {[%mdl 8192]} ( 24. Bf2 $11 {and White stays safe.} Re8 25. Qf6) 24... Rxa2 $2 ({Less strong is } 24... Bxd4+ 25. cxd4 Rxg2+ 26. Qxg2 $17) (24... Re4 $19 25. Qh8+ Kb7 26. Rb1+ Ka6 27. Qxh7 Bf5) 25. Rxa2 Qxa2 26. h3 (26. Qxh7 $11 Qd5 27. Kh1) 26... Qd5 27. Kh2 (27. Kf2 $142) 27... h5 28. Nf3 a5 {[%CAl Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 29. Ne5 a4 30. Nxd7 Qxd7 31. Qh8+ Kb7 32. Qxh5 Qc6 (32... Bd6 $17 33. g3 Bxf4 34. Qf3+ Qc6 35. Qxf4 Qb5 36. Qf3+ Kb6 37. Qe3+ Qc5) 33. c4 (33. Qf7 $11 {remains equal.}) 33... a3 $17 {[%mdl 1024] Threatens to win with ...a2. Black has strong compensation.} 34. Qd1 $2 {White does not recover from this.} (34. Qe2 $17 {is a better defense.}) 34... Bd6 $19 {[%mdl 64] Discovered Attack} 35. Qb3+ Qb6 36. Qf3+ {[#]} Kb8 $1 37. Bxd6 $2 (37. c5 $19 Bxf4+ 38. Qxf4 Qxc5 39. Qf7) 37... Qxd6+ {KQ-KQ. Black mates.} 38. Kh1 {[#]} Qb4 $1 39. Qe2 Qb1+ 40. Kh2 a2 41. Qe8+ Kb7 42. Qe4+ Qxe4 {Weighted Error Value: White=0.67/Black=0.37} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "10"] [White "Shankland, Sam"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "B33"] [WhiteElo "2709"] [BlackElo "2782"] [Annotator "RC"] [PlyCount "75"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "300+2"] 1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:01]} e6 {[%emt 0: 00:01]} 3. d4 {[%emt 0:00:02]} cxd4 {[%emt 0:00:01]} 4. Nxd4 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 5. Nc3 {[%emt 0:00:01]} Nc6 {[%emt 0:00:01]} 6. Ndb5 { [%emt 0:00:08]} d6 {[%emt 0:00:01]} 7. Bf4 {[%emt 0:00:01]} e5 {[%emt 0:00:02]} 8. Bg5 {[%emt 0:00:01]} a6 {[%emt 0:00:01]} 9. Na3 {[%emt 0:00:02]} Be6 { [%emt 0:00:02]} 10. Nc4 {[%emt 0:00:20]} Rb8 {[%emt 0:00:01]} 11. Ne3 {[%emt 0: 00:16]} Be7 {[%emt 0:00:07]} 12. Bxf6 {[%emt 0:00:05]} Bxf6 {[%emt 0:00:02]} 13. Bc4 {[%emt 0:00:01]} O-O {[%emt 0:00:09]} 14. O-O {[%emt 0:00:04]} Bg5 { [%emt 0:00:13]} 15. Bb3 {[%emt 0:00:13]} Bxe3 {[%emt 0:00:25]} 16. fxe3 { [%emt 0:00:01]} Na5 {[%emt 0:00:03]} 17. Qd3 {[%emt 0:00:09]} Rc8 {[%emt 0:00: 45]} 18. Rfd1 {[%emt 0:00:13]} Nxb3 {[%emt 0:01:19]} 19. axb3 {[%emt 0:00:02]} Qb6 {[%emt 0:00:07]} 20. Kh1 {[%emt 0:00:10]} Rfd8 {[%emt 0:00:02]} 21. Rd2 { [%emt 0:00:10]} Qc5 {[%emt 0:00:20]} 22. Nd5 {[%emt 0:00:45]} Bxd5 {[%emt 0:00: 01]} 23. exd5 {[%emt 0:00:01]} e4 {[%emt 0:00:02]} 24. Qe2 {[%emt 0:00:11]} Re8 {[%emt 0:00:00]} 25. Ra4 {[%emt 0:00:04]} g6 {[%emt 0:00:11]} 26. h3 {[%emt 0: 00:10]} Qc7 {[%emt 0:00:12]} 27. c3 {[%emt 0:00:20]} Qd7 {[%emt 0:00:07]} 28. Ra5 {[%emt 0:00:10]} Re5 {[%emt 0:00:07]} 29. b4 {[%emt 0:00:03]} Rh5 {[%emt 0: 00:13]} 30. Kg1 {[%emt 0:00:23]} Rg5 {[%emt 0:00:01]} 31. Kh2 {[%emt 0:00:05]} Qe7 {[%emt 0:00:01]} 32. Qf2 {[%emt 0:00:24]} Rf5 {[%emt 0:00:02]} 33. Qg3 { [%emt 0:00:02]} h5 {[%emt 0:00:01]} 34. Kg1 {[%emt 0:00:28]} Rg5 {[%emt 0:00: 08]} 35. Qf4 {[%emt 0:00:04]} Rf5 {[%emt 0:00:01]} 36. Qg3 {[%emt 0:00:01]} h4 {[%emt 0:00:35]} 37. Qg4 {[%emt 0:00:05]} Rg5 {[%emt 0:00:02]} 38. Qxc8+ { [%emt 0:00:01]} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "11"] [White "Mamedyarov, Shakhriyar"] [Black "So, Wesley"] [Result "1-0"] [ECO "D50"] [WhiteElo "2782"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "101"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 14,101,18,14,15,22,23,17,15,11,15,13,11,16,9,3,36,44,24,-14,70,23,29,30, 24,23,44,43,81,62,88,90,137,142,147,89,59,37,88,87,78,83,80,72,72,68,75,59,90, 73,82,63,89,84,80,105,99,21,35,0,0,12,114,97,168,193,387,248,229,25,32,32,534, 606,600,584,659,686,618,539,1061,996,1209,1102,1159,1014,1838,1421,1730,1341]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4 6. Qxd4 exd5 7. Bg5 (7. e4 Nc6 8. Bb5 dxe4 9. Qxd8+ Kxd8 10. Ng5 Be6 11. O-O Bb4 12. Ncxe4 Nxe4 13. Nxe4 Ke7 14. Bxc6 bxc6 15. Be3 Bd5 16. Bc5+ Kd7 17. Nf6+ gxf6 18. Bxb4 Rae8 19. f3 Re2 20. Rf2 Rhe8 21. b3 f5 {1-0 (51) Mamedyarov,S (2808)-So,W (2778) Paris 2018 }) 7... Be7 8. e3 O-O {D50: Queen's Gambit Declined: Dutch-Peruvian Gambit.} 9. Be2 Nc6 10. Qd3 h6 {The position is equal.} 11. Bh4 Qb6 12. O-O Rd8 13. Rfd1 Be6 14. a3 Rac8 ({Don't go for} 14... Qxb2 $2 15. Rdb1 $18) 15. b4 {[#]} d4 $146 ({Predecessor:} 15... a6 16. Rac1 Qa7 17. h3 Rd7 18. Bg3 Rdd8 19. Ne5 Bd6 20. Nxc6 Rxc6 21. Bxd6 Rcxd6 {1/2-1/2 (90) Sjugirov,S (2660)-Abdusattorov,N (2395) St Petersburg 2016}) 16. exd4 (16. Na4 $5 {[%CAl Ra4b6]} Qc7 17. Bg3 $11 ) 16... Nd5 ({Black should try} 16... Bb3 $11) 17. Nxd5 (17. Na4 {with more complications.} Qc7 18. Bg3 Bd6 19. Nc5 Bxg3 20. hxg3 Bg4 21. Rac1) 17... Bxd5 18. Bxe7 Nxe7 19. Ne5 Be6 20. Bf3 f6 21. Ng4 Nf5 {[%CAl Rd8d4]} 22. d5 Nh4 23. Be2 Nf5 {[#]} 24. Qe4 (24. Nxf6+ $142 $1 {[%mdl 512]} gxf6 25. Qh3) 24... Bd7 $16 25. Bd3 Qd4 ({Better is} 25... Re8 $14 26. Qf3 Nd4) 26. Qxd4 Nxd4 27. Ne3 Rc3 {[#]} 28. Bh7+ $1 {[%mdl 64] Discovered Attack} Kxh7 29. Rxd4 Rdc8 30. g3 Kg6 31. Kg2 Kf7 32. h4 h5 33. a4 b6 34. a5 b5 35. a6 (35. d6 $16) 35... Rb3 36. Kh2 Rb2 37. Kg1 Rc7 (37... Ke8 $11 {keeps the balance.}) 38. d6 Rc6 {[#]} ( 38... Rc8 $16) 39. Re1 $1 $18 {And now Nd1 would win.} Ra2 $2 (39... Kg8 { was worth a try.} 40. Rdd1 Rxa6) 40. Ng2 {Threatens to win with Re7+.} Kf8 {[#] } 41. Nf4 $2 (41. Re7 $1 $18 {[%CAl Re7d7]} Rc1+ 42. Ne1) 41... Rcc2 $1 $11 42. Nd3 $36 {[%mdl 2048] aiming for Nc5. White has good play.} Kg8 $2 {[%mdl 8192] Black cannot hold the game after this.} (42... Rd2 $14) 43. Re7 $18 {White is clearly winning.} ({Stronger than} 43. Nc5 Rxf2 44. Nxd7 Rg2+ 45. Kh1 Rh2+ 46. Kg1 Rhg2+ 47. Kh1 Rh2+ 48. Kg1 Rhg2+ $11) 43... Ra1+ 44. Ne1 ({Weaker is} 44. Kh2 Bc6 $18) 44... Rcc1 45. Rxd7 Rxe1+ {[%mdl 4096] Endgame KRR-KRR} 46. Kg2 Rg1+ 47. Kf3 Ra3+ 48. Ke4 Re1+ 49. Kf4 Kh7 50. Rxa7 Re2 51. f3 {Weighted Error Value: White=0.21/Black=0.45} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "11"] [White "Rapport, Richard"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "A04"] [WhiteElo "2763"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "94"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,94,0,0,0,-5,-10,0,0,0,12,-21,-10,-20,-20,-20,-17,-24,-2,-41,-8,-64, -64,-64,-56,-81,-85,-83,-82,-97,-63,-63,-26,-62,-21,-15,-15,-26,-25,-18,-9,-14, -16,-38,0,-22,-18,-27,58,59,61,69,101,89,107,0,195,2,0,0,0,-371,-367,-363,-333, -279,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. c3 e5 5. d3 Bg7 6. O-O Nge7 7. a3 d6 {A04: Unusual lines after 1 Nf3 and King's Indian Attack.} 8. b4 a6 9. Bb2 O-O 10. Nbd2 h6 {[#]} 11. Rb1 $146 ({ Predecessor:} 11. e4 Be6 12. Re1 Qd7 13. Rc1 Rad8 14. Qe2 Kh7 {1/2-1/2 (14) Schulz,K (2267)-Lagunow,R (2424) Erfurt 2019}) 11... Be6 12. bxc5 dxc5 13. c4 b6 14. Bc3 Qc7 15. Re1 Rfe8 16. a4 ({Better is} 16. Qc2 $11) 16... a5 $15 17. Qb3 Nb4 18. Qb2 {[%CAl Rc3e5]} Nec6 19. Nf1 Rad8 20. Red1 f5 21. Ne1 Kh7 22. Ne3 Nd4 23. Nd5 Bxd5 24. cxd5 e4 25. e3 {[#]} Ne2+ 26. Qxe2 {aiming for Bxg7.} Bxc3 27. dxe4 Bxe1 28. exf5 Bc3 29. fxg6+ Kg7 (29... Kxg6 $11 30. Bh3 Qd6) 30. Qc4 $1 $14 {[%mdl 1024] Threatens to win with d6. White has compensation.} Bf6 $1 31. d6 $1 {[%CAl Rd6c7]} Qa7 32. Rd2 Rf8 33. h4 (33. Bh3 $16) 33... h5 $2 ( 33... Qd7 $11 {and Black has nothing to worry.}) 34. Qe2 $2 (34. Bh3 $1 $18) 34... Kxg6 $11 35. Be4+ Kh6 36. Rxb4 $2 {[%mdl 8192]} axb4 $19 ({Not} 36... cxb4 37. Rd5 $17) 37. Rd5 Qf7 38. Qf3 {[#] intending Qf4+.} Bxh4 $2 39. Rf5 $36 {[%CAl Rf5f7][%mdl 2048] White is more active.The position is equal.} Bf6 { Strongly threatening ...Qg6.} 40. Qf4+ Kg7 {...Qg6 is the strong threat.} 41. Rg5+ Bxg5 42. Qxg5+ Kh8 43. Qh6+ Kg8 44. Bd5 Qxd5 45. Qg6+ Kh8 {( -> ...Qd1+)} 46. Qh6+ Kg8 47. Qg6+ Kh8 {Weighted Error Value: White=0.33/Black=0.32} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "11"] [White "Dominguez Perez, Leinier"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "B12"] [WhiteElo "2758"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "61"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,61,14,13,8,46,46,50,43,42,22,22,4,39,37,68,59,58,61,57,75,38,52,39,53, 55,50,29,30,62,62,55,60,100,125,202,208,209,209,209,209,212,209,209,209,209, 209,266,277,477,477,477,477,469,460]} 1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Bd3 Nd7 6. Nf3 {B12: Caro-Kann: Advance Variation.} Bxc5 7. O-O Ne7 8. Re1 { White is slightly better.} Ng6 9. a3 O-O 10. b4 Bb6 11. Bb2 {[#]} Nf4 $146 ({ Predecessor:} 11... a5 12. Nbd2 axb4 13. axb4 Rxa1 14. Bxa1 Nf4 15. Bf1 Qc7 16. c4 dxc4 17. Nxc4 Ba7 {1/2-1/2 (63) Gokerkan,C (2470)-Sargsyan,A (2402) Chess. com INT 2020}) 12. c4 f6 13. c5 fxe5 {aiming for ...e4.} 14. cxb6 e4 15. Bxe4 dxe4 16. Rxe4 Nxb6 17. Qxd8 Rxd8 18. Nc3 $40 {[%mdl 128] White attacks.} Nfd5 19. Nxd5 Rxd5 20. h3 a5 21. Rc1 axb4 (21... Rd8 $16 {was worth a try.} 22. bxa5 Nd5) 22. Rxb4 $18 Nd7 23. Rbc4 Nb6 24. Rc7 Rd7 25. Bd4 Rxc7 26. Rxc7 Nd7 {[#]} 27. Ne5 $1 {[%CAl Re5d7]} Nf6 {[#]} 28. Nc4 $1 {[%CAl Rc4b6] And now Nb6 would win.} Ne8 $2 (28... e5) 29. Re7 {White is clearly winning.} Kf8 30. Bc5 { [%csl Bb7,Be6]} Nf6 31. Nb6 {Weighted Error Value: White=0.02/Black=0.25} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "11"] [White "Nakamura, Hikaru"] [Black "Caruana, Fabiano"] [Result "1-0"] [ECO "B11"] [WhiteElo "2736"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "119"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,119,25,20,27,26,26,34,32,29,26,27,24,24,29,22,28,32,25,19,30,4,0,0, 10,0,0,0,13,10,33,0,0,-4,-13,-9,-17,-16,-10,-18,-11,-22,-13,-1,22,0,-7,-39,-37, -56,-6,-12,-11,-10,-32,-37,-20,-27,16,19,16,18,22,22,29,32,108,95,95,97,101, 122,116,109,101,94,169,176,175,162,161,114,270,206,206,215,215,204,210,208,291, 270,279,250,333,266,463,449,685,681,657,642,768,743,1610,1562,12836,12836, 12835,12831,12835,12833]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Nd7 {B11: Caro-Kann: Two Knights Variation.} 7. d4 Nf6 8. Qf4 Nd5 {White is slightly better.} 9. Qd2 Bf5 {[#]} 10. Bd3 $1 $146 {[%mdl 8] A top novelty.} ({Predecessor:} 10. Bc4 e6 11. O-O Bd6 12. Re1 O-O 13. Qe2 Qf6 14. Ne5 Qh4 15. c3 f6 16. Nf3 {0-1 (55) Lagno,K (2558)-Gunina,V (2436) Chess.com INT 2021}) 10... Bxd3 11. Qxd3 e6 12. O-O Bd6 13. c4 Ne7 14. b3 O-O 15. Bb2 Qa5 16. a3 Rfd8 17. Qe2 Qh5 {Threatening ...Bxh2+!} 18. Rfe1 Nf5 19. Rad1 Re8 20. d5 cxd5 21. cxd5 e5 {...e4 is the strong threat.} 22. Qe4 {And now g4 would win.} ({Wrong is} 22. Bxe5 $2 f6 $19) 22... Nh6 23. h3 (23. Bxe5 $2 Bxe5 24. Qa4 (24. Nxe5 $2 f6 $19) 24... f6 $19) 23... f6 24. Qa4 Qf7 25. Nd2 a6 26. Ne4 Rad8 27. Qc4 Nf5 28. Rd2 Bf8 29. Qd3 Rd7 (29... Nd4 $5) 30. Qf3 Nh4 31. Qg3 Ng6 32. Red1 Red8 {[%CAl Rd7d5]} 33. d6 f5 34. Ng5 Qf6 {[%CAl Rd7d6]} 35. b4 $36 { [%mdl 2048] White is more active.} Re8 36. Qb3+ Kh8 37. Nf3 Rxd6 (37... h6 $14) 38. Rxd6 $16 Bxd6 39. Qd5 {[%mdl 64] [#] Double Attack} Bf8 40. Qxb7 h6 41. Re1 Kh7 42. g3 Qd6 (42... Qe6 $16) 43. Qf7 $18 {[%mdl 64] [#] Double Attack} Qe6 44. Qxe6 Rxe6 45. Nxe5 a5 $2 {A mistake that costs the game.} (45... Nxe5 $16 { keeps fighting.} 46. Bxe5 (46. Rxe5 Rxe5 47. Bxe5 Kg8 $16) 46... Kg6) 46. b5 a4 47. Kf1 Rb6 48. Nxg6 Kxg6 {[%mdl 4096] Endgame KRB-KRB} 49. Re5 Rb7 50. Rd5 Be7 51. h4 h5 52. Ke2 Rb8 $2 (52... f4 {was called for.} 53. Kd3 (53. gxf4 Bxh4 54. Bd4 Be7 $18) 53... fxg3 54. fxg3 Kh6) 53. Kd3 {White is clearly winning.} Rc8 ( 53... Rb7 $142 54. Bd4 Bxa3) 54. b6 {[%CAl Bb5b6,Bb6b7][%mdl 32]} Rb8 55. Rb5 Kf7 56. b7 Ke6 57. Be5 Bd6 58. Bxd6 Kxd6 59. Kc4 Kc6 60. Kb4 {Weighted Error Value: White=0.09/Black=0.25} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "11"] [White "Le, Quang Liem"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "D02"] [WhiteElo "2709"] [BlackElo "2709"] [Annotator "Shahid"] [PlyCount "123"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 Qb6 6. dxc5 Qxb2 7. Rb1 Qc3 8. Bb5 g6 9. e4 a6 10. Bxc6+ bxc6 11. Be3 dxe4 12. Bd4 Qa5 13. O-O Bh6 14. Nc4 Qd8 15. Nfe5 O-O 16. Nb6 Be6 17. Nxa8 (17. Nxc6 Qc7 18. Bxf6 Qxc6 (18... exf6 19. Qd6 $18) 19. Bxe7 $18) 17... Qxa8 18. Rb6 Nd5 19. Rxc6 Bg7 20. Rxe6 fxe6 21. Qg4 Nf4 22. c6 h5 23. Qg5 Ne2+ 24. Kh1 Nxd4 25. Nxg6 Nxc6 26. Nxf8 Qxf8 27. Qxh5 Nd4 28. Qd1 Qf4 29. c3 Nf5 30. g3 Qe5 31. Qe2 Qd5 32. Rd1 Qc6 33. Rd8+ Kf7 34. Kg1 Qxc3 35. Qxe4 Bd4 36. Qe2 Kf6 37. Rf8+ Kg7 38. Rd8 Kf6 39. Rf8+ Kg7 40. Rb8 Kf6 41. Rb3 Qc7 42. Qxa6 Qc2 43. Rf3 Kg5 44. Qxe6 Bf6 45. h4+ Kg6 46. Rf4 Qc1+ 47. Kh2 Qc2 48. Qe4 Qxe4 49. Rxe4 Nd6 50. Rb4 Bc3 51. Rb3 Bd4 52. Kg2 e5 53. a4 Ne4 54. f3 Nc5 55. Rb4 Nd3 56. Rc4 Ne1+ 57. Kh3 Nxf3 58. a5 e4 59. Kg2 Kf5 60. a6 Be3 61. Rc7 Ne1+ 62. Kf1 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "12"] [White "Caruana, Fabiano"] [Black "Dominguez Perez, Leinier"] [Result "0-1"] [ECO "C83"] [WhiteElo "2806"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "148"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,148,14,15,0,0,0,0,0,0,0,0,0,0,0,0,-4,10,8,14,-20,-16,-40,-26,-56,-42, -81,-55,-98,-98,-100,-110,-102,-125,-130,-137,-96,-106,-96,-76,-75,-56,-64,0, -61,-67,-62,-14,-97,-61,-71,-70,-77,-45,-45,-22,-57,-21,-203,-208,-203,-109, -162,-155,-155,-155,-267,-252,-233,-5,-213,-140,-221,-216,-249,-244,-461,-463, -502,-503,-12841,-12840,-12842,-12843,-12847,-12842,-12842,-12841,-12841, -12842,-12842,-12841,-12841,-12842,-12842,-12843,-12843,-12839,-12845,-12843, -12843,-12843,-12844,-12843,-12845,-12845,-12845,-12841,-12841,-12842,-12850, -12850,-12850,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999,-27999, -27999,-27999,-27999,-27999,-27998,-27993,-27994,-27994]} 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. Be3 Be7 10. c3 O-O 11. Nbd2 Bg4 12. h3 {C83: Open Ruy Lopez: 9 c3 Be7.} Nxd2 13. hxg4 Nxf1 14. Kxf1 {The position is equal.} Na5 15. Bxd5 c6 16. Be4 Qxd1+ 17. Rxd1 Nc4 $36 {[%mdl 2048] Black has some pressure.} 18. Bc1 Rfd8 19. Re1 Rac8 {[#]} 20. g5 $146 ({Predecessor:} 20. b3 Nb6 21. Nd4 Nd5 22. Nf5 Bf8 23. Bg5 Re8 24. Nd6 Rxe5 25. Nxc8 Rxg5 26. Bxd5 Rxd5 {0-1 (52) Karpus,M (2311)-Wagner,D (2581) Tornelo INT 2020}) 20... g6 21. g3 Bf8 22. b3 Nb6 23. Bd2 Bg7 (23... Nd7 { keeps more tension.} 24. Bf4 Nc5 25. Bc2 Ne6 26. Kg2 Ba3) 24. c4 {[#] White wants to play Ba5.} Bxe5 $1 25. Nxe5 {aiming for Ba5.} (25. Be3 Bc7) 25... Rxd2 26. Bxc6 bxc4 27. bxc4 {[#]} Rc2 $1 28. Bb7 Re8 29. Bxa6 Rxa2 30. Bb5 Rc8 31. Ng4 Ra7 ({Stronger than} 31... Nxc4 32. Bxc4 Ra7 33. Re4 $16) ({Better is} 31... Kf8 $15) 32. Re4 (32. Nf6+ $11 Kg7 33. Ne8+ Kf8 34. Nf6) 32... Kg7 33. Kg2 Rac7 {[%CAl Rb6c4]} 34. Ne3 (34. Nf6 $11) 34... Kf8 35. Kh3 Rc5 36. f4 R5c7 37. Rd4 Kg7 38. Kh4 h6 39. Re4 $2 (39. gxh6+ $11 Kxh6 40. f5) 39... hxg5+ $19 40. fxg5 Kf8 ({Black should try} 40... Rd8 $19 41. Re5 Rd4+ 42. g4 Nc8) 41. Kg4 (41. Nd5 $17 {keeps fighting.} Nxd5 42. cxd5) 41... Re7 42. Rxe7 Kxe7 $17 { [%mdl 4096] Endgame KRN-KBN} 43. Kf4 (43. Nd5+ $17 Nxd5 44. cxd5) 43... Kd6 44. Ke4 Ra8 $2 (44... Rc5 $19 45. Kf4 Nd7 46. Bxd7 Kxd7) 45. Ng4 $2 (45. Kd4 $11) 45... Ra1 46. Kf3 (46. Nh6 $17 {was necessary.}) 46... Rc1 47. Ne3 Ke5 48. Ng4+ $2 (48. Be8 {was worth a try.} Rc3 49. Kf2 Nxc4 50. Nxc4+ Rxc4 51. Bxf7 Rc2+ 52. Kf3) 48... Kd4 $19 49. Nh6 Nxc4 50. Bxc4 (50. Ng8 $142 Rc3+ 51. Kg4) 50... Kxc4 {KR-KN} 51. Kg2 Kd5 52. Nxf7 Rc2+ 53. Kf3 Rc3+ 54. Kg4 Rc4+ 55. Kf3 Ke6 56. Nh6 Ra4 57. Ke3 Ke5 58. Kf3 Rb4 59. Kg2 Rb3 60. Kh3 Rb7 61. Kg4 Rb4+ 62. Kh3 Ra4 63. Kg2 Ke6 64. Kf3 Rb4 65. Kg2 Rb5 66. Kf3 Rxg5 67. Ng4 {Black mates.} Ra5 68. Nf2 Kf5 69. Nh3 Ra3+ 70. Kg2 g5 71. Ng1 g4 72. Ne2 Ra2 73. Kf1 Rxe2 74. Kxe2 Ke4 {Weighted Error Value: White=0.47/Black=0.18} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "12"] [White "So, Wesley"] [Black "Le, Quang Liem"] [Result "1/2-1/2"] [ECO "C54"] [WhiteElo "2772"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "142"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,142,30,10,31,25,16,18,14,4,12,15,16,8,7,12,10,17,31,30,39,29,54,50, 50,30,22,22,54,54,73,29,20,37,56,0,0,-3,0,0,6,0,3,4,8,-4,0,0,0,-13,-16,-27,0,0, -8,-38,-29,-47,0,0,0,0,0,0,14,0,0,-34,-48,-192,0,-98,-67,-187,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 h6 (6... a6 7. a4 h6 8. Re1 O-O 9. h3 Re8 10. Nbd2 Be6 11. Bxe6 Rxe6 12. b4 Ba7 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 Rd8 17. b5 Ne7 18. c4 d4 19. Nf5 {1-0 (42) So,W (2770)-Le,Q (2709) chess24.com INT 2020}) 7. Re1 O-O { C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 8. b4 Bb6 9. Nbd2 Ne7 10. Bb3 c6 11. a4 Ng6 12. a5 Bc7 {[#]} 13. d4 $146 ({Predecessor:} 13. Nf1 d5 14. Bd2 Be6 15. Ng3 Qd7 16. exd5 Nxd5 17. Ne4 Bg4 18. h3 Bxh3 19. gxh3 Qxh3 {1-0 (40) Conquest,S (2549)-D'Amore,C (2483) Porto Mannu 2009}) 13... Re8 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Qe2 Be6 17. Bxe6 Rxe6 18. Nb3 {Threatens to win with Nc5.} b6 19. f3 Rd6 20. Be3 Qe8 21. Red1 Rxd1+ 22. Rxd1 Qe6 23. axb6 (23. Rb1 $14) 23... axb6 $11 24. Nd2 b5 25. c4 Rb8 26. c5 Qa2 27. Qd3 Ra8 28. Qb3 Kf8 29. Kf1 Ke7 30. Ke2 (30. Rb1 {is more complex.} Nd7 31. Qxa2 Rxa2 32. Nb3 Ra3 33. Bc1) 30... Nd7 31. h4 h5 (31... Nf8 {with more complications.} 32. Rb1 Ne6 33. Kf1 Qa3 34. Qxa3 Rxa3 35. Nb3 h5) 32. Qxa2 Rxa2 33. Rb1 Nf8 34. Kd3 Ke6 35. Kc3 Bd8 36. g3 g6 37. Kb3 Ra7 38. Rd1 f5 39. Nb1 Rd7 40. Rxd7 (40. Kc2 $1 $15) 40... Kxd7 $2 $15 {[%mdl 4096] Endgame KBN-KBN} (40... Nxd7 $19 41. Nc3 f4 ) 41. Nc3 (41. Bf2 $1 $11) 41... Ne6 $17 {[#] Hoping for ...f4.} 42. Ne2 ({ White must play} 42. exf5 $15 gxf5 43. Ne2) 42... fxe4 $2 ({Black should try} 42... f4 $1 $19 {[%CAl Rf4e3]} 43. Bf2 g5 44. hxg5 Bxg5) 43. fxe4 $11 {The position is equal.} g5 44. Bf2 g4 45. Kc2 Nc7 46. Nc1 Ke6 47. Nb3 Na6 48. Be1 Nb8 49. Kd3 Bc7 50. Bc3 Na6 51. Nc1 Nb8 52. Nb3 Na6 53. Nd2 Bd8 54. Nf1 Be7 55. Ne3 Bf8 56. Nf5 Nc7 57. Bd2 Ne8 58. Bg5 Nc7 59. Bd8 Ne8 60. Kc3 Kd7 61. Bg5 Ke6 62. Kd3 Kd7 63. Bd2 Ke6 64. Bc1 Nf6 65. Bb2 Ne8 66. Bc1 Nf6 67. Bg5 Ne8 68. Be3 Nf6 69. Bg5 Ne8 70. Be3 Nf6 71. Bg5 Ne8 {Weighted Error Value: White=0.14/ Black=0.13} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "12"] [White "Svidler, Peter"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "B45"] [WhiteElo "2714"] [BlackElo "2782"] [Annotator "Shahid"] [PlyCount "71"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 Be7 7. Be3 O-O 8. Qe2 d5 9. O-O-O Bd7 10. exd5 exd5 11. h3 Rc8 12. g4 Re8 13. Qd2 Ne5 14. f4 Nc4 15. Bxc4 Rxc4 16. Qd3 Qc8 17. Nde2 b5 18. Bd4 Bc6 19. Kb1 b4 20. axb4 Rxb4 21. Rhe1 Ne4 22. Nxe4 dxe4 23. Qc3 Qa6 24. b3 Rc8 25. Bc5 Bf6 26. Nd4 $2 (26. Bd4) 26... Rbb8 (26... Rb5) 27. g5 Bxd4 28. Rxd4 Qb5 29. Rb4 Qa6 30. Rxb8 Rxb8 31. Bd4 Rc8 32. Bxg7 Bb5 33. Qd4 Qa5 34. Rd1 Qc7 35. Bh6 Qxc2+ 36. Ka1 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "12"] [White "Xiong, Jeffery"] [Black "Nakamura, Hikaru"] [Result "0-1"] [ECO "C67"] [WhiteElo "2710"] [BlackElo "2736"] [Annotator "Shahid"] [PlyCount "106"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 8. Nf3 d5 9. d4 O-O 10. c3 Re8 11. Qb3 a6 12. Bd3 g6 13. Bf4 Ng7 14. Nbd2 Na5 15. Qa4 Nc6 16. Ne5 Nxe5 17. Rxe5 c6 18. Rae1 Bd7 19. Qb3 Bd6 20. Rxe8+ Nxe8 21. Bg3 Bxg3 22. hxg3 Nd6 23. Nf3 Qc7 24. Qd1 Bg4 25. Qd2 Bxf3 26. gxf3 Re8 27. Rxe8+ Nxe8 28. Qe3 Nd6 29. Qe5 Qd8 30. f4 f6 31. Qe6+ Kf8 32. Kg2 Qe7 33. Qxe7+ Kxe7 34. Kf3 a5 35. Ke3 Kf7 36. Kf3 h5 37. Kg2 a4 38. Kh3 Kg7 39. f3 g5 40. b3 gxf4 41. gxf4 a3 42. Kh4 Kh6 43. Kg3 b6 44. b4 $2 (44. Kh3) 44... Nc4 45. Bxc4 (45. Kf2 Nb2) 45... dxc4 46. Kh4 Kg6 47. f5+ Kxf5 48. Kxh5 b5 49. Kh6 Kf4 50. Kg6 Kxf3 51. Kxf6 Ke4 52. Ke6 Kd3 53. Kd6 Kxc3 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "12"] [White "Shankland, Sam"] [Black "Rapport, Richard"] [Result "0-1"] [ECO "E94"] [WhiteElo "2709"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "86"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 22,86,47,36,35,35,41,22,56,46,70,16,25,20,20,18,11,0,24,27,31,18,29,-3, 0,-25,0,-15,-6,-13,-4,0,-6,-41,-15,-30,-30,-30,-32,-56,-56,-58,-58,-61,-63,-57, -60,-87,-61,-64,-58,-64,-57,-79,-77,-82,-79,-157,-154,-306,-315,-2243,-2220, -1899,-1941,-1700,-1708]} 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5 7. Be3 Na6 8. O-O c6 9. d5 Ng4 10. Bg5 f6 11. Bc1 f5 12. Bg5 Nf6 { E94: King's Indian: Classical: 6 Be2 e5 7 0-0: Various Black 7th moves.} 13. exf5 {[#]} Bxf5 $146 ({Predecessor:} 13... gxf5 14. Nd2 Bd7 15. Rb1 Qe8 16. dxc6 Bxc6 17. f3 Qg6 18. Be3 Kh8 19. Re1 Nc7 20. Bf1 {0-1 (31) Dydyshko,V (2574)-Tihonov,J (2501) Minsk 2007}) 14. Qd2 Qc7 {The position is equal.} 15. Nh4 Nc5 16. Be3 (16. Nxf5 $14 gxf5 17. Bf3) 16... Nce4 $11 17. Nxe4 Nxe4 18. Qd1 Bd7 19. Rc1 c5 20. Nf3 Rae8 21. Qc2 Nf6 22. Ng5 Bf5 23. Qa4 Bd7 24. Qc2 ({ Avoid the trap} 24. Qxa7 $2 Ra8 $19) 24... e4 25. b4 b6 26. bxc5 dxc5 27. Rcd1 Qe5 (27... h6 $5 {[%CAl Rh6g5]} 28. Ne6 Bxe6 29. dxe6 Rxe6 $15) 28. a4 Ng4 29. Bxg4 Bxg4 30. Rde1 h6 31. Ne6 Bxe6 32. dxe6 Qxe6 33. Rd1 Rd8 34. Rfe1 Kh7 35. a5 Qf5 36. axb6 axb6 37. h3 Rd3 38. Rxd3 exd3 39. Qb3 {[#]} (39. Qb1 $142) 39... Rf6 $1 $17 40. f3 $2 (40. Rd1 $17) 40... Re6 $19 {And now ...Bd4 would win.} 41. Bd2 $2 (41. Kf1) 41... Rxe1+ {Black is clearly winning.} 42. Bxe1 Qe6 43. Qd1 Qxc4 {Weighted Error Value: White=0.41/Black=0.06} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "13"] [White "Mamedyarov, Shakhriyar"] [Black "Dominguez Perez, Leinier"] [Result "1-0"] [ECO "C00"] [WhiteElo "2782"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "103"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,103,-16,0,0,0,0,0,-7,-12,-16,-35,0,16,9,13,0,0,24,16,22,0,25,0,0,34, 48,31,33,41,143,120,214,205,271,58,51,43,84,93,114,87,95,88,87,96,89,94,104,93, 95,96,115,93,110,56,62,13,33,15,30,0,33,47,54,58,51,54,87,111,208,188,397,0, 202,193,205,133,329,328,958,514,29957,6412,29964,2539]} 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. d3 Be7 5. Nbd2 O-O 6. e4 c5 7. O-O Nc6 8. Re1 Qc7 9. Nf1 dxe4 { 9...b5 is the fancy move.} 10. dxe4 Rd8 11. Qe2 Nd4 {C00: French: Unusual White 2nd moves.} 12. Nxd4 cxd4 13. e5 Nd5 {The position is equal.} 14. Rd1 $5 {[%mdl 4] [#] Exploring less charted territory.} Nb4 $146 ({Predecessor:} 14... Qc5 15. Be4 Bd7 16. Nd2 Bb5 17. Qg4 Ne3 18. fxe3 dxe3 19. Kg2 exd2 20. Bxd2 Bc6 {0-1 (60) Bold,K-Li,D (2384) Ulaanbaatar 2015}) 15. Be4 Nc6 (15... d3 $15 16. Bxd3 Nxd3 17. cxd3 b6) 16. Bf4 $11 b6 17. Nd2 Bb7 18. Nf3 (18. Rac1 {feels hotter.} Rac8 19. Nb3 h6 20. h4 a5 21. a4) 18... Rac8 19. a3 h6 20. h4 a5 21. Rd2 Bc5 22. Rad1 Rd7 23. c3 {[%CAl Rc3d4]} Rcd8 24. b4 axb4 (24... Bf8 $1 $14) 25. cxb4 $16 ({But not} 25. axb4 Bf8 $14) 25... Bf8 {[#]} (25... d3 $16 26. Rxd3 Nd4 27. Nxd4 Bxd4) 26. Rc1 $1 $18 d3 27. Rxd3 ({Less strong is} 27. Bxd3 Rxd3 28. Rxd3 Ba6 $16) ({White should play} 27. Qd1 $18) 27... Rxd3 $14 28. Bxd3 {aiming for Be4.} Qd7 29. Rd1 {Threatens to win with Bh7+!} Qc8 30. Be4 ( 30. Be3 {is more complex.} Qa8 31. Bxb6 Rd5 32. b5 Ne7 33. Ne1) 30... Rxd1+ 31. Qxd1 Ne7 32. Bxb7 Qxb7 33. Qd3 Nd5 34. Bd2 Qc6 35. h5 Be7 36. Kf1 Bd8 37. g4 ( 37. Nd4 $16 Qc7 38. f4) 37... Be7 38. Kg2 (38. Nd4 $5 {[%CAl Rd4c6]} Qa4 39. Ke1 $14) 38... Qa4 39. Bc1 Qc6 40. Bd2 (40. Be3 {seems wilder.} Bg5 41. Bxg5 hxg5 42. Kg3 Qc1 43. Qd2) 40... Qa4 41. Be3 Qc6 42. Kg3 Qc7 43. Bd2 Bd8 44. a4 Be7 (44... Qc6 $16) 45. a5 Bxb4 $2 (45... bxa5 {was necessary.} 46. bxa5 Qc6) 46. a6 $2 (46. Bxb4 $18 Nxb4 47. Qb5 (47. Qd6 Qxd6 48. exd6 bxa5 $17)) 46... Bc5 $2 {[#]} (46... Bxd2 $1 $11 {and Black has nothing to worry.} 47. Qxd2 Qc4) 47. Qb5 $1 $18 {[%CAl Rb5e8] Hoping for Qe8+.} Qc8 48. g5 hxg5 $2 {Black cannot hold the game after this.} (48... Ne7 $16) 49. Nxg5 Nc7 $2 (49... Be7 50. a7 Qa8) 50. Qc6 Qxa6 (50... Be7 $18 51. a7 Qd8) 51. Qxc7 Qd3+ 52. Be3 { Weighted Error Value: White=0.38/Black=0.58} (52. f3 $142 Qf5 53. Qd8+ Bf8 54. Bb4 Qxe5+ 55. Kh3 Qf5+ 56. Kg2 Qxg5+ 57. Qxg5 Bxb4 58. Qd8+ {[%mdl 64] Double Attack} Bf8 59. Qxb6) 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "13"] [White "Rapport, Richard"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2763"] [BlackElo "2772"] [PlyCount "28"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 0,28,18,1,13,24,17,2,11,14,24,26,55,-18,-12,8,17,26,24,24,27,28,28,42, 25,28,25,28,28,28,28]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 Nxd4 9. Qxd4 d5 10. exd6 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "13"] [White "Nakamura, Hikaru"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "B52"] [WhiteElo "2736"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "143"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 11,143,13,18,2,12,0,0,-4,20,-2,0,0,0,0,18,31,24,0,0,6,59,0,23,0,11,23, 68,54,81,63,172,166,175,10,41,14,16,12,41,46,89,64,142,43,63,20,324,107,266,5, 45,-101,-97,-105,-103,-100,-95,-103,-103,-109,-104,-104,-104,-159,-107,-110, -103,-103,-98,-111,-107,-106,-89,-97,-98,-116,-107,-106,-107,-107,-92,-98,-102, -105,-93,-106,-92,-97,-79,-89,-68,-68,-10,-68,-19,-35,-35,-35,-35,-35,-35,-34, 18,-17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. d3 e6 7. Ng5 {B52: Sicilian: Moscow Variation with 3...Bd7.} h6 8. Nh3 Be7 9. f4 c4 {[#]} 10. Kh1 $146 ({ Predecessor:} 10. Nc3 cxd3 11. cxd3 Qb6+ 12. Kh1 Rc8 13. Qe2 O-O 14. g4 Nh7 15. Be3 Qa6 16. Rad1 {1/2-1/2 (65) Turov,M (2527)-Candela Perez,J (2409) Ubeda 2000 }) 10... cxd3 11. cxd3 Rc8 12. Nc3 e5 13. Be3 a6 14. a4 O-O 15. a5 d5 (15... Nb8 $11) 16. exd5 (16. fxe5 $14 Nxe5 17. Bb6) 16... Re8 17. Qb3 Bc5 18. fxe5 { d4 is the strong threat.} Rxe5 19. Bf4 Re7 20. Qxb7 Ne5 ({Black should play} 20... Nb6 $1 $14 21. Qxa6 Nbxd5) 21. Qxa6 $18 Neg4 22. Rae1 $2 (22. Ne4 $18 Nxd5 23. Nxc5 Rxc5 24. Qd6) 22... Ra7 $1 $11 {[%CAl Ra7a6]} 23. Qb5 (23. Qc4 $5 {[%CAl Rb2b4]}) 23... Rxa5 24. Qb3 Bd4 {[%CAl Rf6d5]} 25. d6 Be5 26. Qb7 { And now b4 would win.} Rac5 {[#]} (26... Bd4 $14) 27. d4 ({White should try} 27. Rxe5 $1 $16 Rxe5 28. Bxe5 Nxe5 29. Nd5) 27... Bxd4 $14 28. Ne4 Nxe4 { [%mdl 8192]} (28... Rb8 $11 {and Black has nothing to worry.} 29. Qc7 (29. Nxc5 Rxb7 30. Nxb7 Qc8 $15) 29... Rd5) 29. Qxe4 $2 (29. Rxe4 $18 {aiming for d7.} Rb8 {[#]} 30. Qc7 $1 {[%mdl 64] Promotion}) 29... Bxb2 $2 (29... Bf6 $16) 30. Qa4 $2 (30. Qe2 $18 Bc3 31. Qxg4 Bxe1 32. Rxe1) 30... Nf6 31. Nf2 (31. Re7 $14 {keeps the upper hand.}) 31... Rc4 $17 32. Qb5 Rxf4 33. Qxb2 Qxd6 34. Qe2 Re8 ( 34... Rc3 {keeps more tension.} 35. Rc1 Rxc1 36. Rxc1 g6 37. Qe3 Kg7) 35. Qc2 Rxe1 36. Rxe1 g6 37. Qe2 (37. Nh3 $142 Rh4 38. Qc8+ Kg7 39. Qc3) 37... Kg7 ( 37... Qd4 $142 38. Rf1 h5) 38. Qb2 Kh7 39. Qa2 Qd7 40. Nh3 Re4 41. Rf1 Kg7 ( 41... Re6 {feels hotter.} 42. Qf2 Kg7 43. Qb2 Qd3 44. Qb1 Qe3) 42. Qb2 Qd4 43. Qb7 Qd3 (43... Re2 {is more complex.} 44. Qf3 Qe5 45. Nf4 Re3 46. Qd1 Ra3) 44. Qb1 Qxb1 45. Rxb1 {[%mdl 4096] Endgame KRN-KRN} g5 46. Nf2 Rd4 47. Kg1 Nd5 48. Re1 f5 49. g3 Kf6 50. Ra1 g4 51. Ra6+ Kg5 (51... Kg7 $1 $15) 52. h3 (52. Rd6 $11) 52... Ne3 53. Re6 Nc4 54. Re8 Nd2 55. Rg8+ Kh5 56. Kg2 Rc4 ({Better is} 56... Nc4 $15) 57. Rd8 {The position is equal.} Ne4 {Strongly threatening ... Nxf2.} 58. hxg4+ fxg4 {White must now prevent ...Rc2.} 59. Rd5+ Ng5 60. Nd3 Rc2+ 61. Kf1 {[%CAl Rd3f4]} Kg6 62. Nf4+ Kf6 63. Rd6+ Ke5 64. Rxh6 Ne4 65. Ne2 Ra2 66. Rh5+ Kd6 67. Rh4 Ra1+ 68. Kg2 Ra2 69. Kf1 Ra1+ 70. Kg2 Ra2 71. Kf1 Ra1+ 72. Kg2 {Weighted Error Value: White=0.34/Black=0.33} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "13"] [White "Xiong, Jeffery"] [Black "Caruana, Fabiano"] [Result "1/2-1/2"] [ECO "A21"] [WhiteElo "2710"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "75"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,75,0,0,0,1,-11,0,0,0,0,0,-41,-52,-46,-11,-35,-46,-55,0,-54,-39,-59,0, 0,0,0,21,-31,-8,-78,-49,-309,-27,-320,-325,-1212,58,54,77,64,65,62,39,28,46,62, 68,0,90,14,45,54,247,0,10,0,243,247,228,0,60,0,199,0]} 1. c4 e5 2. g3 Be7 3. Bg2 f5 4. Nc3 d6 5. d3 Nf6 6. Nf3 O-O 7. O-O a5 8. a3 {[%CAl Ba2a3,Ba3b4,Bb4b5] [%mdl 32] A21: English Opening: 1...e5 2 Nc3.} Qe8 9. Rb1 Qh5 10. b4 {The position is equal.} axb4 11. axb4 f4 12. Nd5 Nxd5 13. cxd5 {[#]} Na6 $146 ({ Predecessor:} 13... Bg4 14. Qc2 Bd8 15. Bb2 Nd7 16. Ra1 Rb8 17. Ra7 Rf6 18. Rfa1 Nb6 19. b5 Rh6 {1/2-1/2 (36) Hole,O (2248)-Breivik,L Norway 2002}) 14. b5 Nc5 15. d4 exd4 ({Black should play} 15... fxg3 $15 16. dxc5 gxf2+ 17. Rxf2 e4) 16. Nxd4 (16. Bxf4 $11 Bf5 17. Nxd4) 16... fxg3 $15 17. hxg3 Bg4 (17... Bh3 $15 ) 18. b6 $11 cxb6 19. Rxb6 Ra2 {[%CAl Ra2e2]} 20. Bf3 (20. Be3 $11) 20... Bxf3 21. Nxf3 (21. exf3 $11 Bd8 22. Rb1) 21... Rf5 22. Be3 $2 {[%mdl 8192]} (22. Nd4 $15 Rxd5 23. e3) 22... Rxd5 $2 (22... Qh3 $1 $19 23. Rb4 Rh5) 23. Qb1 $2 { [%mdl 8192]} (23. Bd4 $11 {and White has nothing to worry.}) 23... Rxe2 $19 24. Nd4 {[#]} (24. Bxc5 Qxf3 25. Rb3) 24... Rxe3 $1 25. fxe3 $14 {Black must now prevent Qa2!} Qe5 {[#]} 26. Kg2 {[%mdl 1024] Threatens to win with Rf5. White has strong compensation.} g6 27. Qa2 Kg7 28. Qf2 {Hoping for Qf7+.} Bf6 29. Qf3 $36 {[%mdl 2048] White has the initiative.} h5 30. Kg1 (30. Nb3 $14 Nxb3 {[#]} 31. Qxf6+ $1 (31. Rxb3 b5 $11) (31. Rxb7+ Kh6 $14) 31... Qxf6 32. Rxb7+ Kh6 33. Rxf6) 30... Kf7 (30... Qxe3+ $11 31. Qxe3 Bxd4 32. Qxd4+ (32. Rxb7+ $2 Nxb7 33. Qxd4+ Rxd4 $19) 32... Rxd4) 31. Rb5 (31. Nb3 $16) 31... Kg7 32. Kg2 Be7 $2 ({ Better is} 32... Ne4 $14) 33. Kg1 $2 ({White has to play} 33. Qf7+ $18 Kh6 34. Rf4 Rxd4 {[%mdl 64] Remove Defender} 35. exd4 Qe2+ 36. Rf2 Qe4+ 37. Qf3 Qxd4 38. Rb1) 33... Kh6 34. Kg2 $2 (34. Rf2 $11) 34... Kg7 $18 35. Qf7+ Kh6 36. Qf3 (36. Rf4 $18) 36... Kg7 $14 37. Qf7+ (37. Rd1 $14 Kh8 38. Rf1) 37... Kh6 $18 38. Qf3 $2 {White used his chance. Weighted Error Value: White=0.93/Black=0.52} (38. Rf4 $18) 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "13"] [White "Le, Quang Liem"] [Black "Svidler, Peter"] [Result "1-0"] [ECO "D00"] [WhiteElo "2709"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "71"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,71,14,12,0,0,-11,0,0,-7,-5,-13,-25,-19,-10,35,12,11,5,5,15,11,9,7,12, 16,4,36,0,23,31,39,38,37,8,9,12,32,32,32,31,30,29,31,30,63,50,77,94,83,84,193, 120,221,214,204,195,325,319,290,308,300,276,583,569]} 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. Nb5 {D00: 1 d4 d5: Unusual lines.} Na6 7. h3 Ne4 8. Nd2 {The position is equal.} Nxd2 9. Qxd2 c6 10. Nc3 Nb8 11. O-O-O {[#]} Qa5 $146 ({Predecessor:} 11... Nd7 12. e4 dxe4 13. Nxe4 Nf6 14. Nxf6+ Bxf6 15. h4 Qd5 16. c4 Qd7 17. Be5 Bxe5 18. dxe5 Qxd2+ 19. Rxd2 {1/2-1/2 (19) Hobber,A (2357)-Gabrielsen,T (2301) Norway 2019}) 12. Kb1 Nd7 13. e4 dxe4 14. Nxe4 Qxd2 15. Rxd2 Nf6 16. Nxf6+ Bxf6 17. Bc4 Bf5 18. Re1 Rad8 (18... b5 {looks sharper.} 19. Be2 Be6 20. g4 Bd5 21. g5 Bg7) 19. g4 Be6 20. Bxe6 fxe6 21. Re4 (21. Bh6 $5 {[%CAl Rh6f8]} Rf7 22. Rxe6 $14) 21... Bh4 $1 {[#] aiming for ...Rxf4!} 22. Rde2 e5 23. Bxe5 Rxf2 24. Rxf2 Bxf2 $14 {[%mdl 4096] Endgame KRB-KRB} 25. c3 Rf8 26. Bf4 h5 27. Bg5 h4 28. Rxe7 Rf3 29. Re2 Bg3 {[#]} (29... b5 $16) 30. Kc2 (30. Re8+ $1 $18 Kg7 31. Re7+ Rf7 32. Rxf7+ Kxf7 33. Kc2) 30... Bd6 (30... Bf4 $16 31. Bxh4 g5) 31. Re3 $18 ({But not} 31. Bxh4 $6 Rxh3 32. Be7 Bg3 $16) 31... Rf2+ 32. Kb3 a5 (32... Bg3 {might work better.} 33. a4 a6) 33. Re6 Bg3 34. Rxg6+ Kf7 35. Rh6 b5 $2 (35... Rh2 36. Bxh4 Rxh3) 36. Bxh4 {Weighted Error Value: White=0.08/Black=0.27} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "14"] [White "Caruana, Fabiano"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "B45"] [WhiteElo "2806"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "340"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 15,340,0,0,2,87,87,78,79,92,73,74,67,68,69,105,90,74,32,44,14,45,0,68, 39,47,41,56,56,48,42,89,4,79,28,28,23,54,40,71,64,80,71,151,148,164,158,151,35, 42,33,202,69,66,42,55,0,38,26,78,0,0,0,0,0,0,0,233,16,0,9,218,204,228,235,224, 229,207,218,233,220,328,328,467,61,420,386,358,75,75,23,61,59,55,55,1285,81, 161,27,31,0,0,0,0,0,0,0,0,-8,-6,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-9,-20,-18, -27,-17,-81,-15,-16,-11,-28,-28,-31,0,-11,0,-32,0,-11,0,-32,-11,-46,-32,-46, -46,-46,-39,-46,-46,-46,-11,-39,-11,-46,-46,-46,-46,-46,-46,-46,-46,-85,-46, -46,-28,-28,-28,-72,-16,-46,-67,-77,-76,-76,-13,-117,-78,-97,-76,-83,-68,-68,0, -76,-76,-76,-76,-76,0,-76,-8,-10,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-10,-8, -8,-8,-26,-8,-13,-8,-8,-7,-20,-26,-26,-8,-26,-12,-15,-11,-11,-8,-8,-7,-19,-13, -25,-8,-12,-8,-8,0,0,0,0,0,-8,0,-8,0,-8,-8,-12,-8,-8,-8,-8,-8,-80,-80,-80,-80, -80,-46,-46,-46,-24,-24,-46,-46,-46,-46,-46,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-8,0,0,0,-79,0,0,0,0,0,0,0,-8,0,-8,0,0,0,0, 0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. O-O Bxc3 8. bxc3 Nxe4 9. Nxc6 {B45: Sicilian Four Knights.} bxc6 (9... dxc6 $11 {keeps the balance.} 10. Qxd8+ Kxd8) 10. Qd4 $16 {[%mdl 64] Double Attack} d5 11. Qxg7 {White is better.} Qf6 12. Qxf6 Nxf6 13. Bf4 Ne4 {[#]} 14. c4 $146 ({Predecessor:} 14. Bd3 Ke7 15. Rfe1 Nc5 16. Bf1 f6 17. c4 d4 18. c3 dxc3 19. Rac1 Ne4 20. Bc7 {1-0 (32) Silva,F (2290)-Elguezabal Varela,D (2285) Paz e Amizade 1985}) 14... f6 15. cxd5 cxd5 16. Rab1 e5 17. Bh6 Rg8 18. Rb3 Kf7 ( 18... Nd6 $11) 19. Rd1 Kg6 20. Bc1 Be6 21. f3 Nc5 22. Ra3 Rgc8 23. Bd2 (23. f4 $16) 23... d4 (23... a5 $11) 24. c3 (24. f4 $16) 24... d3 $11 25. Bf1 f5 26. Be3 e4 27. Ra5 $1 Nd7 28. Bd4 Rab8 (28... Nb8 $142) 29. g4 $1 $16 (29. Rxa7 Rb2 $14) 29... Rg8 30. gxf5+ (30. Rxa7 $6 Rb2 $14) 30... Bxf5 31. Kf2 (31. Rxa7 Rb2 $17) (31. fxe4 $1 $16 Bxe4 32. Kf2 (32. Bxd3 Kf7+ 33. Kf2 Bxd3 $16) (32. Rxa7 Rb2 $14)) 31... Rb2+ $14 32. Ke3 Re8 {[#]} ({Better is} 32... Rf8 $14) 33. Kf4 (33. Rxf5 $1 $18 {[%mdl 512]} Kxf5 34. Bh3+ Kg6 35. Rg1+ (35. Bxd7 Re2+ 36. Kf4 Rf8+ 37. Ke5 exf3+ 38. Kd6 d2 $17) 35... Kh5 36. Bxd7 Re2+ 37. Kf4 Rf8+ 38. Bf5 ) 33... Rf8 34. Kg3 (34. Bxd3 $5 exd3 35. Rg1+ Kf7 36. Rxf5+ Ke6 37. Rxf8 Nxf8 38. Ke4 $16 (38. Bxa7 Rxa2 39. Bc5 Nd7 $11)) 34... exf3 35. h4 (35. Ra6+ $1 $14 Kf7 36. Bxd3 Rg8+ 37. Kf4 Bxd3 38. Rxd3) 35... Nf6 {And now ...Nh5+ would win.} 36. Ra6 d2 (36... f2 $11) 37. Be3 (37. Bc4 $16) 37... Kf7 (37... Kh5 $5 38. Ra5 $8 Kg6 $11) 38. Rxa7+ Kg6 {aiming for ...Rb1.} 39. Ra6 $1 Kh5 40. Ra5 Ne4+ $2 ( 40... Kg6 $11) 41. Kf4 $2 (41. Kxf3 $18 Rxa2 42. Rxf5+ $1 {[%mdl 576] Remove Defender} (42. Rxa2 Bg4+ 43. Kxe4 Bxd1 $16) 42... Rxf5+ 43. Kxe4) 41... Nxc3 $11 42. Rxd2 Ne2+ $2 (42... Rb4+ $1 $11 43. Kxf3 Kxh4 44. Bf2+ Kg5) 43. Kxf3 $18 Rxd2 44. Bxd2 Nd4+ 45. Ke3 Nc6 46. Rc5 Ne7 47. Bb4 Re8 (47... Rd8 $142 48. Be2+ Kg6) 48. Kf4 Kxh4 (48... Rd8 {might work better.} 49. Rxf5+ (49. Rc4 Be6 $16) 49... Nxf5) 49. Bc4 $2 ({Weaker is} 49. Rxf5 Nxf5 50. Kxf5 Kg3 $18) (49. Rb5 $18) 49... Bg6 $2 {[%mdl 8192]} (49... Bd7 $14) 50. Be1+ Kh3 {[#]} 51. Be6+ (51. Bf1+ $1 $18 Kh2 52. Bg3+ Kg1 53. Bh3 Rf8+ 54. Ke5) 51... Kg2 $16 52. Bh4 ( {White should play} 52. Rg5+ $16 Kh2 53. Re5) 52... Rf8+ 53. Ke5 Nf5 54. Rc2+ Kg1 $2 {[%mdl 8192]} (54... Kf3 $14 55. Be1 Re8) 55. Bg5 $2 (55. Bf2+ $18 { is the precise move to win.} Kg2 56. Bc5+ Kf3 57. Bxf8) 55... Re8 (55... Ra8 $16 {is a better defense.}) 56. Rc1+ (56. Rc8 $18 {Rxe8 is the strong threat.} Ng3 57. Rxe8 Bxe8 58. Bb3) 56... Kf2 $11 57. Kf6 (57. Rc8 $5 {[%CAl Rc8e8]} Nd4 58. Rxe8 (58. Kxd4 Rxe6 59. Ra8 h5 $11) 58... Nc6+ 59. Kd5 Bxe8 60. Kc5 $14) 57... Nd4 58. Bd5 Rf8+ 59. Ke5 Nf3+ 60. Bxf3 Rxf3 {[%mdl 4096] Endgame KRB-KRB} 61. Bh6 Rf5+ 62. Kd6 Ra5 63. Ra1 Bf7 64. Ke7 Bxa2 65. Kf6 Ra6+ 66. Kg7 Ra7+ 67. Kh8 Kf3 68. Rc1 Bd5 69. Rg1 Be4 70. Bf8 (70. Rg7 $11 Ra8+ 71. Rg8) 70... Ra8 ( 70... h5 $17) 71. Kg7 h5 72. Be7 Ra7 73. Kf8 Ra8+ 74. Kg7 Ra7 75. Kf8 Bd5 { Threatens to win with ...Ra8+.} 76. Rd1 (76. Rg5 {with more complications.} Bc6 77. Rxh5 Kg4 78. Rh4+ Kf5 79. Rh6) 76... Be4 77. Rf1+ Kg2 78. Re1 (78. Rf4 { with more complications.} Bg6 79. Rb4 Kg3 80. Bh4+ Kf3 81. Be7) 78... Bf3 79. Re5 Ra4 80. Rg5+ Bg4 81. Rb5 Re4 82. Rb4 Re2 83. Rb3 Ra2 84. Bf6 Ra4 85. Kg7 Bf3 86. Rb2+ Kg3 87. Be5+ Kg4 88. Rd2 Ra7+ 89. Kf6 h4 90. Rd4+ Kh5 91. Rd3 Ra6+ (91... Be4 $17 92. Rd4 Ra6+ 93. Ke7 Bf5) 92. Rd6 Ra8 93. Rd2 h3 94. Bh2 Ra5 ( 94... Bg4 $17) 95. Rf2 (95. Rd8 $1 $11) 95... Kg4 96. Rd2 Bg2 97. Rf2 Ra6+ 98. Ke5 Ra5+ (98... Bf3 $15) 99. Kd4 (99. Kf6 $11) 99... Ra4+ $17 100. Ke3 Re4+ 101. Kd3 Ra4 (101... Re8 {keeps more tension.} 102. Kd4 Bc6 103. Rf7 Re4+ 104. Kd3 Rb4) 102. Ke3 $1 Kg5 (102... Ra3+ $17 103. Kd4 Bc6) 103. Rf8 Ra1 104. Rg8+ Kf5 105. Rf8+ Kg6 106. Rh8 Rh1 107. Bb8 Rf1 108. Bh2 Rf3+ 109. Ke2 Rb3 (109... Rc3 {is more complex.} 110. Be5 Rc5 111. Bh2 Rc2+ 112. Kd3 Ra2) 110. Be5 Bf3+ 111. Kf2 Bg4 112. Bc7 Rc3 113. Bd6 (113. Rg8+ {looks sharper.} Kf5 114. Rf8+ Ke6 115. Bg3 Ke7 116. Rf4) 113... Rc2+ 114. Ke3 Kf5 115. Bb8 Re2+ 116. Kd3 Rb2 117. Bc7 Rb3+ 118. Kd4 Rb7 119. Bh2 Rd7+ 120. Ke3 Re7+ (120... Rf7 {with more complications.} 121. Bd6 Rf6 122. Bh2 Ra6 123. Rf8+ Kg5) 121. Kd4 Re2 122. Bb8 Ra2 123. Bc7 Ra4+ 124. Ke3 Ke6 125. Rh6+ Kd5 126. Bb8 Re4+ 127. Kd3 {Hoping for Rd6+.} Bf5 (127... Re8 {with more complications.} 128. Bh2 Bf5+ 129. Kd2 Ke4 130. Rh4+ Kf3) 128. Kd2 (128. Rd6+ {with more complications.} Kc5 129. Rf6 Bh7 130. Kd2 Rh4 131. Bh2) 128... Rb4 129. Bc7 Rb7 130. Bf4 Ke4 131. Bd6 Rb6 132. Rh4+ Kf3 133. Bc7 (133. Be5 $11 {remains equal.}) 133... Rb2+ 134. Kd1 Bg4 135. Kc1 Rb7 136. Bd6 Rd7 137. Bb8 Rd8 138. Be5 Rd5 139. Bb8 Rb5 140. Bd6 Rb6 141. Be5 Re6 142. Bb8 Re8 143. Bd6 Re2 144. Rh8 Bf5 145. Rf8 Kg4 146. Rg8+ Kh5 147. Rh8+ Kg6 148. Bb8 Rc2+ (148... Bb1 {with more complications.}) 149. Kd1 Ra2 150. Be5 (150. Bh2 {is interesting.}) 150... Bg4+ (150... Bb1 {is more complex.}) 151. Kc1 Kf5 152. Bc7 Ke4 153. Bd6 Kd3 154. Be5 (154. Bh2 {seems wilder.}) 154... Rc2+ 155. Kb1 Bf5 {White must now prevent ...Re2.} 156. Ka1 Rc5 157. Bf4 (157. Bb2 {feels hotter.}) 157... Kc2 {[%CAl Rc5a5]} (157... h2 { is interesting.} 158. Rxh2 Kc3 159. Bg3 Ra5+ 160. Ra2 Rd5) 158. Ra8 (158. Bc1 { feels hotter.}) 158... Rc4 (158... h2 {seems wilder.} 159. Ra2+ Kc3 160. Rxh2 Rd5 161. Rd2 Rxd2 162. Bxd2+ Kxd2 163. Kb2 Be4) 159. Be5 Re4 {( -> ...Be6)} ( 159... h2 {is more complex.} 160. Ra2+ Kd3 161. Bxh2 Rb4 162. Rb2 Ra4+) 160. Bg3 (160. Bb2 $11 h2 161. Ra2 h1=Q+ 162. Bc1+ Kxc1 163. Rf2 Ra4+ 164. Ra2 Qh8#) 160... Re3 (160... h2 $1 $17 {[%CAl Rh2h1]} 161. Ra2+ Kc3 162. Rxh2 Re3) 161. Ra2+ {The position is equal.} (161. Be1 {seems wilder.}) 161... Kd1 (161... Kd3 {looks sharper.}) 162. Bf4 (162. Be1 {feels hotter.}) 162... Rf3 (162... h2 { keeps more tension.} 163. Rxh2 Rb3 164. Rd2+ Ke1 165. Rd5 Bd3) 163. Be5 Rb3 { [%csl Gf5][%CAl Rb3b1]} (163... h2 {is more complex.} 164. Bxh2 Be4 165. Bd6 Rf6 166. Bb4 Rb6) 164. Rb2 (164. Bb2 {with more complications.}) 164... Ra3+ 165. Ra2 Re3 166. Bf4 (166. Bb2 {feels hotter.}) 166... Rf3 167. Be5 Bc2 168. Ra8 Rf5 169. Rd8+ Ke2 170. Bg3 Rb5 {Weighted Error Value: White=0.64/Black=0.54 } 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "14"] [White "So, Wesley"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2772"] [BlackElo "2736"] [PlyCount "28"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 Nxb5 7. a4 Nbd4 8. Nxd4 d5 9. exd6 Nxd4 10. Qxd4 Qxd6 11. Qe4+ Qe6 12. Qd4 Qd6 13. Qe4+ Qe6 14. Qd4 Qd6 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "14"] [White "Dominguez Perez, Leinier"] [Black "Le, Quang Liem"] [Result "1-0"] [ECO "C54"] [WhiteElo "2758"] [BlackElo "2709"] [Annotator "Shahid"] [PlyCount "227"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. b4 Bb6 8. Nbd2 O-O 9. Re1 Ne7 10. Bb3 c6 11. a4 Ng6 12. a5 Bc7 13. d4 Re8 14. dxe5 dxe5 15. Qc2 Be6 16. Bxe6 Rxe6 17. Nb3 Rd6 18. Be3 Qe8 19. h3 b6 20. Ra2 Rdd8 21. Rea1 Nf4 22. Bxf4 exf4 23. e5 Nd7 24. Re1 c5 25. axb6 Bxb6 26. Nbd2 cxb4 27. cxb4 Qe6 28. Raa1 Rac8 29. Qe4 g5 30. Rac1 Nf8 (30... Rxc1 31. Rxc1 Nxe5 32. Qxe5 Qxe5 33. Nxe5 Rxd2 $19) 31. Nc4 Ng6 32. Nxb6 Qxb6 33. Rcd1 Re8 34. Qf5 Qe6 35. Qe4 Rc4 36. Qb7 Qb6 37. Qd7 Re7 38. Qf5 Rxb4 39. Rd6 Qc7 40. Red1 Rb8 41. e6 Nf8 42. exf7+ Rxf7 43. Qd5 Qb7 44. Qa2 Kg7 45. Ne5 Re7 46. Nc6 Rbe8 47. Qa1+ Kh7 48. Nxe7 Qxe7 49. Ra6 Qe5 50. Rxa7+ Kg8 51. Qxe5 (51. Qa2+ Qe6 52. Qa3) 51... Rxe5 52. Rd8 Rf5 53. f3 Rf7 54. Rxf7 Kxf7 55. Rd6 Ng6 56. Kf2 Kg7 57. Ra6 Nh4 58. g3 Ng6 59. g4 Nh4 60. Ke2 Kh7 61. Ra7+ Kg6 62. Ra6+ Kg7 63. Ra1 Kf6 64. Ra7 Kg6 65. Rb7 Kf6 66. Rb1 Kf7 67. Rf1 Ke6 68. Kd3 Kd5 69. Rf2 Ng6 70. Ra2 Ke6 71. Ra6+ Kf7 72. Ke4 Kg7 73. Rb6 Nh4 74. Rb3 Kf6 75. Kd5 Kf7 76. Ke5 Ng6+ 77. Kd5 Nh4 78. Ra3 Kf6 79. Kd6 Kf7 80. Ke5 Ng6+ 81. Kd4 Nh4 82. Ra6 Kg7 83. Ke4 Kh7 84. Ke5 Kg7 85. Ra3 Kf7 86. Ra7+ Kg6 87. Ke4 Kf6 88. Ra6+ Kg7 89. Ke5 Nxf3+ 90. Ke6 Nh4 91. Ra3 Kg6 92. Ke5 Kg7 93. Ke4 Kg6 94. Ra6+ Kg7 95. Rb6 Kh7 96. Ke5 Kg7 97. Ra6 Kh7 $2 (97... Ng6+) 98. Kf6 f3 99. Ra7+ Kg8 100. Ra2 Kh7 101. Kf7 h5 (101... Ng2 102. Rf2 Nh4) 102. Kf6 hxg4 103. hxg4 Kh6 104. Rf2 Ng6 105. Rxf3 Nf4 106. Kf5 Ng6 107. Rh3+ Kg7 108. Kxg5 Ne5 109. Kf5 Nf7 110. Rd3 Nh6+ 111. Kf4 Nf7 112. Ra3 Kg6 113. Ra6+ Kg7 114. g5 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "14"] [White "Svidler, Peter"] [Black "Rapport, Richard"] [Result "0-1"] [ECO "B01"] [WhiteElo "2714"] [BlackElo "2763"] [Annotator "Shahid"] [PlyCount "138"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 Bb4 8. a3 Bxc3 9. Bxc3 Qb6 10. O-O O-O 11. b3 Nc6 12. Ne5 Rad8 13. Nxc6 Qxc6 14. Bb2 b5 15. Bd3 Bxd3 16. Qxd3 Nd5 17. f3 a6 18. Rf2 Rd7 19. c4 Ne7 20. Rc1 Qb7 21. Re2 bxc4 22. bxc4 c5 23. Qe4 Qxe4 24. Rxe4 Rb8 25. Rc2 cxd4 26. Rxd4 Rxd4 27. Bxd4 Nc6 28. Bc5 f6 29. Rd2 Rd8 30. Rxd8+ Nxd8 31. Kf2 e5 32. Ke3 f5 33. g4 g6 34. gxf5 gxf5 35. Bb4 Nc6 36. Bc3 Kf7 37. Kd3 Ke6 38. Bb2 Kd6 39. Bc3 Kc5 40. Be1 Kd6 41. Bf2 Nd8 42. Ba7 Ke6 43. Bb6 Nf7 44. h4 h5 45. Bf2 Nd8 46. Bb6 Nc6 47. Bf2 Ne7 48. Kc3 Kd6 49. Kb4 Nc6+ 50. Kc3 Ke6 51. Kd3 Nb8 52. Kc3 Nc6 53. Kd3 Kd7 54. Kc3 Kd6 55. Bb6 Ne7 56. Kb4 e4 57. Bc5+ Kc6 58. Bf2 (58. Bxe7 exf3 59. Bc5 a5+ $19) 58... exf3 59. Kc3 Ng6 60. Kd4 Nf4 61. Ke3 Nh3 62. Bg3 f4+ 63. Kxf3 fxg3 64. Kxg3 Ng1 (64... Kc5 65. Kxh3 Kxc4 66. Kg3 Kb3 67. Kf4 Kxa3 68. Kg5 Kb3 69. Kxh5 a5 70. Kg6 a4 71. h5 a3 72. h6 a2 73. h7 a1=Q $19) 65. Kf2 Nh3+ 66. Kg3 Ng1 67. Kf2 Kc5 68. Kxg1 Kxc4 69. Kf2 Kb3 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "14"] [White "Shankland, Sam"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "D32"] [WhiteElo "2709"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "79"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 16,79,64,62,61,62,65,67,68,64,67,60,81,76,74,75,82,84,106,88,98,108,110, 102,100,102,127,114,141,150,290,283,280,159,429,450,429,442,427,385,451,436, 749,751,741,747,747,733,918,762,755,755,6747,979,989,721,2984,2938,6497,6438, 5941,6047,5235,968,1515,927]} 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Nf3 Nc6 8. Qxd5 Nf6 9. Qb3 Bb4 {D32: Tarrasch Defence: Sidelines and lines without g3.} 10. e3 O-O 11. Be2 Be6 {White is slightly better.} 12. Qc2 Rc8 13. O-O Qe7 14. Bd2 {[#]} Bd6 $146 ({Predecessor:} 14... h6 15. Rfd1 Bg4 16. Rac1 Ne5 17. Nd4 Bd7 18. Be1 a6 19. Qb3 Nc6 20. Nd5 Nxd5 21. Qxd5 Bxe1 22. Rxe1 Nxd4 23. Qxd4 {1-0 (36) Dake,A-Makarczyk,K Folkestone 1933}) 15. Rfd1 Bb8 16. Qa4 Ng4 17. h3 Nge5 18. Be1 Nxf3+ 19. Bxf3 Qc7 20. g3 Bxh3 21. Nd5 Qe5 22. Qh4 Bd7 {[#]} (22... Bf5 $16) 23. Bc3 $1 $18 {[%CAl Rc3e5] } Qe6 24. Nf4 $40 {[%mdl 128] White attacks with force.} (24. Be4 $18 {[%csl Ge4][%CAl Rh4h7]} h6 {[#]} 25. Nf6+ $1 {[%mdl 512]} gxf6 26. Bxf6) 24... Qe8 $2 {[#] This move loses the game for Black.} (24... Bxf4 $16 25. exf4 (25. Qxf4 Qf5 $16) 25... Qh3) 25. Bxg7 $1 {[%mdl 512] Threatens to win with Bf6.} Bxf4 26. Bxf8 ({Stronger than} 26. gxf4 Kxg7 27. Qg5+ Kh8 $11) 26... Bxe3 27. Bh6 ({ Not} 27. fxe3 Qxe3+ 28. Kh2 Ne5 $11) 27... Ne5 28. Be4 {White is clearly winning.} Rc4 (28... Bxh6 $142 29. Qxh6 Ng6 30. Bxb7 Rb8) 29. Bxe3 Nf3+ 30. Bxf3 {[%mdl 64] Threatening mate with Qg5+. Discovered Attack} Rxh4 31. gxh4 f6 32. Rd4 Bc6 33. Bxc6 Qxc6 34. Rad1 Kf7 35. h5 Qf3 36. Rd7+ {[%mdl 64] Discovered Attack} Ke6 37. R1d6+ Kf5 38. Rd4 Ke6 39. R7d6+ Kf7 {[#]} 40. Rxf6+ $3 {Weighted Error Value: White=0.12/Black=0.38} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "15"] [White "Rapport, Richard"] [Black "Dominguez Perez, Leinier"] [Result "0-1"] [ECO "A04"] [WhiteElo "2763"] [BlackElo "2758"] [Annotator "Shahid"] [PlyCount "90"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. e4 d6 6. d3 g6 7. a3 Bg7 8. c3 O-O 9. b4 c4 10. Bg5 cxd3 11. Qxd3 Be6 12. Rd1 h6 13. Bxf6 Qxf6 14. Nfd2 Rac8 15. Nf1 h5 16. Nbd2 Bh6 17. Ne3 Ne7 18. Ndf1 h4 19. Rac1 h3 20. Bh1 Rfd8 21. Qe2 Kg7 22. Rd2 a6 23. a4 Rd7 24. Rd3 Rdd8 25. Rcd1 Bb3 26. Ra1 Bxe3 27. Nxe3 b5 28. axb5 axb5 29. Qg4 Be6 30. Qd1 Qg5 31. Ra6 Ng8 32. Qd2 Kh7 33. Bf3 Nf6 34. Raxd6 Rxd6 35. Rxd6 Ra8 36. Qd1 Ra3 37. Rc6 Ra2 38. Qf1 Kg7 39. Rc5 Bc4 40. Qc1 $2 (40. Rxc4 bxc4 41. Qxh3) 40... Nh7 (40... Bd3) 41. Rc6 $2 Qd8 42. Nxc4 bxc4 43. Rxc4 $4 Qd3 $19 44. Qf1 Qxf3 45. Rc5 Ra1 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "15"] [White "Nakamura, Hikaru"] [Black "Svidler, Peter"] [Result "1/2-1/2"] [ECO "C88"] [WhiteElo "2736"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "167"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 19,167,20,20,10,38,51,34,20,18,15,23,0,34,34,33,31,79,46,68,43,44,15,14, 11,37,0,0,0,0,0,0,-72,-77,-114,-118,-139,-154,-135,-137,-164,-72,-69,-14,-18, -23,-14,6,6,9,0,0,0,0,0,81,81,81,71,83,60,100,100,85,82,115,69,99,83,147,70,79, 83,98,98,98,98,98,98,98,84,98,0,96,30,33,30,30,30,91,49,305,290,270,187,256,54, 54,54,64,4,4,4,127,4,4,4,43,43,43,43,43,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, 4,0,4,4,4,4,4,3,3,3,4,3,3,3,4,4,4,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 9. d4 d6 10. dxe5 Nxe5 $1 { [%mdl 4] is more profitable than 10...dxe5 at the moment.} 11. Nbd2 {C88: Closed Ruy Lopez: Anti-Marshall Systems.} Bb7 (11... Ned7 12. Nd4 Bb7 13. c3 bxc3 14. bxc3 Nc5 15. Bc2 Re8 16. f3 Nfd7 17. a5 d5 18. exd5 Bxd5 19. Nf1 Ne6 20. Be3 Bc5 21. Nxe6 Bxe6 {1/2-1/2 (53) Nakamura,H (2792)-Svidler,P (2749) Saint Louis 2017}) 12. Nxe5 dxe5 13. f3 {White is slightly better.} (13. Qe2 { is more complex.} Bd6 14. f3 Bc5+ 15. Kh1 a5 16. Nc4) 13... Bc5+ 14. Kh1 Qe7 { [#]} 15. Qe2 $146 ({Predecessor:} 15. Nc4 Rfd8 16. Qe2 a5 17. Be3 Ba6 18. Qf2 Bxe3 19. Nxe3 Qc5 20. Rad1 Kf8 21. h3 {1-0 (42) Filipenko,A (2420)-Sulypa,O (2435) Lvov 1995}) 15... Rfd8 16. a5 Nh5 17. g3 Rd6 18. Nf1 Rad8 19. Be3 (19. Ne3 {with more complications.} g6 20. Kg2 Bc8 21. Nc4 R6d7 22. Ba4) 19... Bxe3 20. Qxe3 (20. Nxe3 $5 {[%CAl Re3f5]} g6 21. Nd5 Bxd5 22. exd5 $14) 20... Rd4 21. Qe2 g6 22. Red1 Qc5 23. Rxd4 Rxd4 24. Ne3 Nf6 25. Ng2 (25. Kg2 $11) 25... Kg7 $17 26. Qe3 {With the idea c3.} Qd6 $1 27. Kg1 c5 28. Rf1 c4 29. Ba2 Qc7 ( 29... Bc6 $19 {has better winning chances.} 30. Qe1 Qc5) 30. c3 Rd3 (30... bxc3 $15 31. Qxc3 Qc5) 31. Qb6 $11 Qxb6+ 32. axb6 bxc3 33. Bxc4 Rd4 34. b3 Nd7 35. Rc1 Nxb6 36. Bf1 Bc6 (36... f5 $11) 37. Bxa6 $16 Bd7 38. Ne3 Be6 39. Rxc3 Rb4 40. Bc4 Nxc4 41. bxc4 {[%mdl 4096] Endgame KRB-KRN} Kf8 42. Rc2 Rb3 43. Kf2 f5 ({Black should try} 43... Ke8) 44. exf5 (44. c5 $16) 44... gxf5 $14 45. f4 e4 46. c5 {[%CAl Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Ke7 47. c6 Kd6 48. c7 Bc8 49. Nc4+ Kd7 50. Ne3 Kd6 {[#]} 51. h3 (51. Nxf5+ $1 $16 Bxf5 52. c8=Q Bxc8 53. Rxc8) 51... h5 $11 52. h4 Rb5 53. Nc4+ Kd7 (53... Kd5 $11 {keeps the balance.}) 54. Ne5+ $16 Ke7 $2 {[%mdl 8192]} (54... Kd6 $1 $14) 55. Nc6+ $18 Kd7 {[#]} 56. Na7 $1 {[%CAl Ra7b5]} Rb3 (56... Rd5 $142 57. Kg2 Rd6) 57. Nxc8 $2 (57. Rc5 $18) 57... Kxc8 {KR-KR} 58. Rc5 Rb2+ 59. Ke3 (59. Kf1 $14 Rb3 60. Kf2 (60. Rxf5 Rxg3 61. Rxh5 Kxc7 $16) 60... Rb2+ 61. Ke3 Rb3+ 62. Kf2) 59... Rb3+ $11 60. Kd4 Rd3+ (60... Rxg3 $11 {remains equal.} 61. Rxf5 e3) 61. Kc4 (61. Ke5 $16 Rxg3 62. Kxf5) 61... Rxg3 62. Rxf5 Rg4 63. Rf7 Rxh4 64. Kd4 Rh1 $1 65. f5 h4 {...h3 is the strong threat.The position is equal.} 66. Kxe4 h3 67. Kf3 {Strongly threatening Kg3.} Rg1 {And now ...h2 would win.} 68. Rh7 Rf1+ 69. Kg4 Rg1+ $1 70. Kf4 Rh1 71. Kg3 {Hoping for f6.} Rg1+ $1 72. Kh2 Rf1 73. Rf7 Rf3 74. f6 Kb7 75. Kh1 Kc8 76. Kg1 Kb7 77. Kh2 Kc8 78. Rf8+ (78. Rg7 {is interesting.} Rxf6 79. Kxh3 Rc6 80. Kg4 Rxc7 81. Rg6) 78... Kxc7 79. f7 {Threatens to win with Ra8.} Kb7 (79... Kd6 {feels hotter.} 80. Rh8 Rxf7 81. Rxh3 Rg7 82. Rd3+ Ke5) 80. Rh8 Rxf7 81. Rxh3 Rf6 82. Kg2 Rg6+ 83. Rg3 Rxg3+ 84. Kxg3 {What a bad dream for Black. Weighted Error Value: White=0.25/Black=0.30} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "15"] [White "Xiong, Jeffery"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "A28"] [WhiteElo "2710"] [BlackElo "2772"] [Annotator "TA"] [PlyCount "93"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,93,12,16,13,20,20,18,15,14,14,13,29,41,24,25,115,115,112,118,110,108, 112,116,110,114,111,27,48,0,0,-17,-7,-28,0,0,0,-22,0,0,0,0,0,-2,0,-28,-35,-16, 0,0,0,-9,0,-106,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. Be2 { 7.d4 gains popularity.} d5 {A28: English Opening: Four Knights Variation.} 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 c5 11. Qf4 O-O 12. b3 {[#]} Rd8 $146 ({ Predecessor:} 12... dxc4 13. bxc4 Qe4 14. Bb2 Qxf4 15. exf4 Re8 16. f3 Be6 17. Rc1 Nd7 18. Kf2 Rad8 {1/2-1/2 (76) Warmerdam,M (2497)-Wemmers,X (2392) Belgium 2020}) 13. Bb2 d4 (13... dxc4 $11 {remains equal.} 14. Qxc4 b6) 14. O-O-O $16 h6 15. Rhe1 {[%CAl Re3d4]} g5 16. Qg3 {[%CAl Re3d4]} Ne4 17. Qf3 {[%CAl Re3d4]} Nc3 18. Bxc3 dxc3 19. Kc2 ({White should try} 19. Rxd8+ $16 Qxd8 20. Rd1) 19... Be6 20. Qe4 (20. h4 $5) 20... Qf6 21. Bd3 Qxf2+ 22. Kxc3 Qf6+ (22... Qxa2 23. Qh7+ Kf8 24. Qxh6+ Ke8 25. Rf1 $16) (22... Rxd3+ $5 23. Qxd3 b5 $11) 23. Kc2 Rd7 24. Qh7+ Kf8 25. Rf1 Qg7 26. Qxg7+ Kxg7 27. Be4 Re7 28. Bd5 (28. Bf5 { seems wilder.} Bxf5+ 29. Rxf5 b6 30. Rd3 a5 31. a4) 28... Bxd5 29. Rxd5 $11 { [%mdl 4096] Endgame KRR-KRR} b6 30. Kd2 Rae8 31. Rf3 Re5 32. Kd3 {[#]} (32. Rd7 $11) 32... R8e7 (32... g4 $1 $17 {[%CAl Rg4f3]} 33. Rf2 (33. Rg3 Rxd5+ 34. cxd5 f5) 33... Rxe3+ 34. Kd2 R3e6) 33. h3 {The position is equal.} h5 34. e4 f6 35. Rxe5 Rxe5 {KR-KR} 36. Rf5 Kg6 37. Rxe5 fxe5 {KP-KP} 38. g4 hxg4 39. hxg4 Kf6 40. Kc3 {[#] aiming for b4.} Ke6 41. b4 {Threatens to win with bxc5.} Kd6 42. b5 Kc7 43. a4 Kb7 44. Kb3 Kc7 45. Kc3 Kb7 46. Kb3 Kc7 47. Kc3 {Weighted Error Value: White=0.13/Black=0.11} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "15"] [White "Le, Quang Liem"] [Black "Mamedyarov, Shakhriyar"] [Result "1/2-1/2"] [ECO "D02"] [WhiteElo "2709"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "80"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,80,21,13,6,9,24,10,32,19,18,6,14,15,18,16,17,14,15,10,10,0,9,0,0,-4, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-12,-12,-14,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bxd6 Qxd6 6. c4 O-O {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4. } 7. Nc3 Rd8 8. Rc1 a6 {[#]} 9. c5 $146 ({Predecessor:} 9. cxd5 exd5 10. Bd3 Bg4 11. h3 Bh5 12. g4 Bg6 13. Ne5 Bxd3 14. Qxd3 c5 15. g5 {1/2-1/2 (41) Hodgson,J (2545)-Westerinen,H (2400) Stavanger 1989}) 9... Qe7 {The position is equal.} 10. Be2 Nc6 11. O-O e5 12. Nxe5 Nxe5 13. dxe5 Qxe5 14. Qd4 Qe7 15. Rfd1 c6 16. h3 Bf5 17. Bd3 Bg6 18. b4 Re8 19. a4 Bxd3 20. Rxd3 Nd7 21. e4 dxe4 22. Nxe4 Qxe4 23. Qxe4 Rxe4 24. Rxd7 Rxb4 $11 {[%mdl 4096] Endgame KRR-KRR} 25. Re1 Rf8 26. Ree7 Rxa4 27. Rxb7 Rc4 28. Re5 a5 29. Rc7 g6 30. Rxc6 a4 31. Ra6 Rc8 32. g3 R4xc5 (32... h5 {is interesting.} 33. h4 Kg7 34. Kg2 R8xc5 35. Rxc5 Rxc5 36. Rxa4 Rc3) 33. Rxc5 Rxc5 34. Rxa4 {KR-KR} Rc1+ 35. Kg2 Rc5 36. Ra1 Rc4 37. Rb1 Rc5 38. Ra1 Rc4 39. Rb1 Rc5 40. Ra1 Rc4 {A rather calm draw. Weighted Error Value: White=0.02/Black=0.02} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "15"] [White "Shankland, Sam"] [Black "Caruana, Fabiano"] [Result "0-1"] [ECO "E51"] [WhiteElo "2709"] [BlackElo "2806"] [Annotator "Shahid"] [PlyCount "84"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd2 d5 6. Nf3 b6 7. cxd5 exd5 8. Bd3 Re8 9. O-O Bf8 10. Ne5 c5 11. f4 Bb7 12. Be1 Nc6 13. Bb5 Re6 14. Bh4 cxd4 15. Bxc6 Bxc6 16. exd4 Bb7 17. f5 Re8 18. Qf3 Be7 19. Qh3 Ne4 20. Bxe7 Rxe7 21. f6 Nxf6 22. Rxf6 gxf6 23. Ng4 Re6 24. Nh6+ Kg7 25. Rf1 Qd7 26. Nf5+ Kh8 27. Rf4 Ba6 28. Kf2 Qe8 29. Rh4 Qg8 30. Rg4 Qf8 31. Rg7 Qxg7 32. Nxg7 Kxg7 33. Nxd5 Rae8 34. Nf4 (34. Qg4+ Kh8 35. Nf4) 34... Re1 35. Qc3 $4 (35. Qf5) 35... Rf1+ 36. Kg3 Re4 37. Nh3 h5 38. Nf2 h4+ 39. Kf3 Re2 40. Kg4 Rfxf2 41. Kxh4 Rxg2 42. h3 Re4+ 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "16"] [White "Caruana, Fabiano"] [Black "Le, Quang Liem"] [Result "1-0"] [ECO "C84"] [WhiteElo "2806"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "85"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,85,18,20,19,13,0,19,23,37,41,24,4,24,25,18,24,30,0,30,25,58,54,50,35, 57,60,66,44,49,24,26,6,45,12,34,34,64,62,64,50,155,161,161,158,174,71,64,58, 102,42,166,90,164,54,194,143,344,366,339,335,368,352,452,454,437,363,766,743, 932,915,29977,29978,29994,29995]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 {7...d6 is better than 7...0-0.} 8. a3 {C84: Closed Ruy Lopez: Unusual White 6th moves.} O-O 9. h3 Be6 10. Bxe6 {The position is equal.} fxe6 11. c3 d5 12. Qe2 {[#]} Qd6 $146 ({Predecessor:} 12... Qe8 13. Ng5 Bc5 14. Kh2 h6 15. Nf3 Qh5 16. Nbd2 Rf7 17. b4 Bb6 18. Bb2 Raf8 19. a4 g5 20. exd5 Nxd5 {0-1 (20) Shubin,K (2331)-Neverov,V (2483) St Petersburg 2017}) 13. Nbd2 {[%CAl Bb1d2,Bd2b3,Bb3c5][%mdl 32]} Nd7 14. b4 a5 {[%CAl Ra5b4]} 15. Nb3 axb4 16. cxb4 Ra6 17. Bb2 d4 18. Rac1 Nb6 19. Nc5 Ra7 20. Rc2 Nb8 21. Rfc1 c6 $1 22. g3 Rc8 23. h4 N6d7 24. Kg2 Nxc5 25. Rxc5 (25. bxc5 Qc7 $11) 25... Nd7 { [#]} 26. Rxb5 Rf8 (26... Rca8 $14 27. Ra5 Rxa5 28. bxa5 Rxa5) 27. Ra5 $16 Rxa5 28. bxa5 Bd8 29. a6 (29. Nd2 $18 {has better winning chances.}) 29... c5 30. a7 $36 {[%mdl 2048] White has some pressure.} Qa6 31. Rb1 (31. Qc2 $16) 31... Be7 (31... c4 $14) 32. Bc1 (32. Nd2 $18) 32... Qxa7 (32... c4 $16) 33. Bg5 (33. Qa2 $18 Qa6 34. Nd2) 33... Re8 (33... Bxg5 $14 34. Nxg5 Qa6) 34. Nd2 ({Better is} 34. Bxe7 $18 Rxe7 35. Qb2) 34... Nb6 $2 (34... Qxa3 $16 35. Rb7 Bxg5) 35. Qh5 $18 g6 36. Qg4 Bxg5 37. Qxg5 ({And not} 37. hxg5 c4 $11) 37... Nd7 38. Nc4 Qc7 39. h5 Kg7 $2 (39... Qd8 40. Qxd8 Rxd8 41. hxg6 hxg6) 40. h6+ Kg8 41. a4 Kf7 { [#]} 42. Rb7 $1 {[%mdl 512]} Qd8 {[#]} (42... Qxb7 43. Nd6+) 43. Rxd7+ $1 { [%mdl 576] Double Attack. Weighted Error Value: White=0.22/Black=0.54} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "16"] [White "Mamedyarov, Shakhriyar"] [Black "Rapport, Richard"] [Result "0-1"] [ECO "E61"] [WhiteElo "2782"] [BlackElo "2763"] [Annotator "Shahid"] [PlyCount "80"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. Bg5 h6 6. Bd2 O-O 7. Qc1 Kh7 8. h4 Nh5 9. e4 e5 10. d5 a5 11. Bd3 Na6 12. Bc2 Nc5 13. Be3 b6 14. Qd2 Bg4 15. Ng1 Nf4 16. f3 Bd7 17. g3 Nh5 18. Nge2 a4 19. O-O-O Ra5 20. g4 Nf4 21. Nxf4 exf4 22. Bxf4 b5 23. cxb5 Bxb5 24. Be3 Qf6 25. e5 Qxf3 26. h5 Kg8 27. hxg6 fxg6 28. Kb1 Rb8 29. Bxc5 dxc5 30. Be4 Qg3 31. Rxh6 a3 32. Rxg6 Bd3+ 33. Qxd3 Rxb2+ 34. Ka1 (34. Kc1 Qf4+ 35. Rd2) 34... Qxe5 (34... Qf2) 35. d6 cxd6 36. Qc4+ Kh8 37. Qf7 $4 (37. Rgxd6) (37. Rdxd6) 37... Rb1+ 38. Kxb1 Rb5+ 39. Kc1 Qxc3+ 40. Bc2 Rb1+ 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "16"] [White "So, Wesley"] [Black "Shankland, Sam"] [Result "1-0"] [ECO "D79"] [WhiteElo "2772"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "65"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 21,65,23,29,18,57,40,45,21,43,40,63,44,56,53,55,55,63,36,45,45,69,63,69, 52,65,16,129,43,35,39,47,51,306,306,385,373,358,370,407,342,344,347,345,347, 390,402]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 c6 7. cxd5 cxd5 8. Ne5 Bf5 9. Nc3 {[%CAl Bb1c3,Bc3a4,Ba4c5][%mdl 32]} Ne4 10. Bf4 Nc6 11. Nxc6 bxc6 12. Na4 {D79: Fianchetto Grünfeld: Symmetrical Variation (6 0-0 c6 7 cxd5 cxd5).} Qa5 13. Rc1 Rac8 14. b3 {White is slightly better.} Rfe8 15. g4 Bd7 ({Reject} 15... Bxg4 $6 16. f3 $16) 16. f3 Nd6 17. Nc5 Rcd8 {[#]} 18. e3 $146 {[%mdl 2048] White is pushing.} ({Predecessor:} 18. Rf2 Bc8 19. e3 f6 20. a4 g5 21. Bg3 e5 22. Nd3 Bd7 23. Nc5 Bc8 24. Nd3 Bd7 25. Nc5 Bc8 {1/2-1/2 (25) Soltau,A-Skarke,H Germany 1979}) 18... Bc8 19. Re1 e5 20. dxe5 Bxe5 21. Bxe5 Rxe5 22. Qd4 Ree8 23. Na4 (23. Bf1 {feels hotter.} Qb6 24. b4 Qc7 25. Nb3 Qe7 26. Qf4) 23... Ba6 (23... Nb5 $11 {remains equal.} 24. Qc5 Re6) 24. Qc3 (24. Qxa7 $16 Nb5 25. Qb6 Qxb6 26. Nxb6) 24... Qxc3 $14 25. Nxc3 Kf8 26. Na4 Bb5 $2 {[%mdl 8192] [#] Black cannot hold the game after this.} (26... f5 $14) 27. Nc5 $18 d4 28. exd4 Rxe1+ 29. Rxe1 Nc8 30. a4 Bxa4 31. Nxa4 ({Much less strong is} 31. bxa4 Rxd4 32. Bf1 Rd5) 31... Rxd4 32. Bf1 Nd6 33. Rc1 {Weighted Error Value: White=0.17/Black=0.43} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "16"] [White "Dominguez Perez, Leinier"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C60"] [WhiteElo "2758"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "117"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,117,22,35,47,27,37,37,29,50,43,40,34,35,32,32,44,58,54,97,80,115,107, 118,122,127,122,129,106,122,87,198,129,114,128,110,38,35,52,40,-5,-5,-8,-7,-6, -18,-24,-28,-20,0,-68,-76,-60,-35,-68,-44,-33,-12,-12,-12,-11,0,-10,56,22,45, 64,98,95,97,74,108,95,100,95,93,18,94,10,69,25,53,0,104,116,145,146,124,117, 151,96,175,127,179,171,195,156,156,0,162,49,55,0,160,0,56,0,164,0,49,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Bxc6 dxc6 6. d4 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6.} exd4 7. cxd4 Bg7 8. h3 Ne7 9. Nc3 h6 10. Bf4 O-O 11. O-O g5 12. Be5 f6 13. Bg3 {[#]} Ng6 $146 ({Predecessor:} 13... f5 14. Be5 fxe4 15. Nxe4 g4 16. Bxg7 Kxg7 17. Ne5 gxh3 18. gxh3 Qd5 19. Qd3 Bf5 20. Rae1 Kh7 21. Kh2 Rad8 22. Rg1 Qxe5+ 23. dxe5 Rxd3 24. Nf6+ Kh8 {0-1 (24) Warmerdam, M (2506)-Spyropoulos,N (2403) Chess.com INT 2020}) 14. Re1 Kh7 15. Qb3 b6 16. Rad1 g4 17. hxg4 Bxg4 18. d5 c5 19. d6 c6 (19... Ne5 $16 {was called for.}) 20. Na4 (20. Ne2 $1 $18) 20... Rb8 $16 21. d7 Ne5 {[#]} 22. Nxe5 (22. Rd6 $1 $16) 22... Bxd1 $14 23. Rxd1 fxe5 24. Rd6 Qe7 25. Qe6 {[%CAl Re6e7]} Qxe6 26. Rxe6 Rfd8 $1 27. Rxc6 Rxd7 28. Nxb6 Rd4 29. b3 (29. f3 $11) 29... Rxe4 $15 30. Nc4 h5 {White must now prevent ...h4.} 31. Rxc5 Rd8 32. Bxe5 Bf8 33. Rc7+ Kg8 34. Rc6 Rd1+ 35. Kh2 Rh4+ 36. Kg3 Rg4+ 37. Kf3 Rd3+ {[#]} 38. Ne3 $1 Rb4 39. Rxa6 Rb5 40. Bf4 Rd7 41. g3 Rf7 42. Ra4 (42. Ke4 $16) 42... Be7 (42... Bh6 $11) 43. Re4 (43. Kg2 $16) 43... h4 (43... Bd6 $11) 44. gxh4 {Threatens to win with Kg4. } Bxh4 45. Ke2 (45. Nc4 $14 Rf6 46. Nd6) 45... Ra5 (45... Ra7 $1 $11 {keeps the balance.}) 46. a4 $16 Ra6 47. Nc4 Rb7 48. Re3 Ra8 49. a5 (49. Bd6 $142) 49... Rb5 (49... Rf8 $16) 50. Be5 Bd8 (50... Be7 $16 {was worth a try.} 51. f4 Bc5) 51. Rg3+ Kf8 52. Rf3+ Kg8 53. Rg3+ $2 (53. Rh3 $16 {Strongly threatening Rh8+.} Raxa5 54. Rh8+ Kf7 55. Rxd8 Rxe5+ 56. Nxe5+ Rxe5+ 57. Kd1) 53... Kh7 ( 53... Kf8 $11 {and Black stays safe.}) 54. Rh3+ ({Better is} 54. Rg7+ $18 Kh6 55. Rg8) 54... Kg6 $14 55. Rg3+ (55. f4 $14) 55... Kh6 $2 ({Black should try} 55... Kh7 $1 $11) 56. Rh3+ (56. f4 $16) 56... Kg6 57. Rg3+ (57. f4 $14) 57... Kh7 $18 58. Rh3+ ({White should play} 58. f4 $18) 58... Kg6 $14 59. Rg3+ { Weighted Error Value: White=0.33/Black=0.29} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "16"] [White "Svidler, Peter"] [Black "Xiong, Jeffery"] [Result "1/2-1/2"] [ECO "C07"] [WhiteElo "2714"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "71"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,71,10,18,0,16,12,11,16,18,8,14,13,28,35,20,6,41,18,22,0,0,2,15,9,114, 95,110,116,104,100,196,196,193,182,182,-141,-140,-142,-147,-146,-140,-124,-120, -173,0,0,27,64,126,60,58,14,14,0,66,0,7,0,68,0]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nf6 5. exd5 Nxd5 6. Nb3 cxd4 7. Nbxd4 Be7 8. g3 {C07: French Tarrasch: 3.. .c5, 4 Ngf3 and 4 exd5 Qxd5.} b6 {[#]} 9. c4 $146 ({Predecessor:} 9. Bg2 Bb7 10. O-O O-O 11. Ne5 Qc8 12. c4 Nf6 13. Bxb7 Qxb7 14. Qe2 Nfd7 15. Ndf3 Nxe5 16. Nxe5 {0-1 (66) Wallner,W-Stoppel,F Moesern 1977}) 9... Nf6 10. Bg2 {And now Ne5 would win.The position is equal.} Bb7 11. O-O O-O 12. Bf4 Nbd7 13. Qe2 Nh5 14. Be3 a6 15. a4 Qc7 16. a5 bxa5 17. Nb3 Bb4 $1 18. Bd2 Rad8 (18... Bxd2 $11 19. Qxd2 a4 20. Rxa4 Nhf6) 19. Nxa5 $16 Bxf3 20. Bxf3 Bxd2 21. Nc6 {[%mdl 64] [#] Discovered Attack} Nhf6 (21... Nc5 $16) 22. Nxd8 $18 ({And not} 22. Qxd2 Ne5 $11) 22... Rxd8 23. Qxd2 Ne5 24. Qe3 ({White must play} 24. Qf4 $18) 24... Rd3 $36 {[%mdl 2048] Keeping White busy.} 25. Rxa6 {[#]} g6 $1 26. Ra7 Rxe3 27. Rxc7 Nxf3+ 28. Kg2 Rb3 (28... Ne1+ $19 29. Kg1 Re2) 29. Ra1 $11 Ne5 (29... Ng5 $5 {[%CAl Rb3b2]}) 30. Ra5 Nd3 (30... Ned7 $14) 31. Ra8+ (31. Ra3 $16 Rxa3 32. bxa3) 31... Kg7 $14 32. Raa7 {[%mdl 1024] White has compensation.} Ne5 33. Ra5 Nd3 (33... Ne8 $11 34. Rcc5 Nd7) 34. Raa7 (34. Ra3 $1 $14 Rxa3 35. bxa3) 34... Ne5 $11 35. Ra5 Nd3 (35... Ne8 $11 36. Rcc5 Nd7) 36. Raa7 {Weighted Error Value: White=0.36/Black=0.30} (36. Ra3 $1 $14 Rxa3 37. bxa3) 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "17"] [White "So, Wesley"] [Black "Caruana, Fabiano"] [Result "0-1"] [ECO "A06"] [WhiteElo "2772"] [BlackElo "2806"] [Annotator "TA"] [PlyCount "88"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,88,10,9,0,29,14,14,12,25,25,22,29,14,3,9,9,11,0,4,0,0,-19,-22,-56,-63, -103,-31,-202,-75,-63,-69,-115,-111,-207,-201,-209,-197,-183,-177,-168,-162, -326,-320,-312,-273,-316,-15,-76,0,0,0,-59,-46,-61,-44,-66,-33,-1288,-300, -1248,-1268,-1213,-1214,-1839,-755,-1008,-993,-991,-932,-919,-850,-636,-621, -845,-810,-581,0,-5214,-4902,-2093,-1193]} 1. Nf3 d5 2. e3 c5 3. b3 Nc6 4. Bb5 Bd7 5. Bb2 e6 6. c4 {A06: Réti Opening: 1 Nf3 d5.} Nge7 7. cxd5 Nxd5 8. O-O { The position is equal.} a6 9. Be2 {[#]} f6 $146 ({Predecessor:} 9... Nf6 10. d4 cxd4 11. Nxd4 Be7 12. Bf3 Qc7 13. Nd2 O-O 14. Rc1 Rfd8 15. Qc2 Rac8 {0-1 (41) Tereshechkina,M-Drozdova,D (2149) Moscow 2008}) 10. d4 Be7 11. e4 Nf4 { Threatens to win with ...Nxd4.} 12. d5 Nd4 13. Nxd4 cxd4 14. dxe6 Bxe6 15. Bf3 Bc5 16. g3 Nh3+ 17. Kh1 O-O (17... d3 $17 18. Qd2 Qb6) 18. Bg2 $2 (18. Bg4 $15 Bxg4 19. Qxg4) 18... Qd7 (18... d3 $19 {has better winning chances.} 19. Qd2 Qb6) 19. f4 Bg4 20. Qd3 {Qc4+ is the strong threat.} Qb5 21. Qd2 (21. Qc4+ $17 Qxc4 22. bxc4) 21... Bb4 $1 $19 {[%CAl Rb4d2]} 22. Qxd4 Rfd8 23. Qc4+ Qxc4 24. bxc4 Rac8 25. Ba3 $2 {[#]} (25. a4) 25... a5 $1 (25... Rxc4 26. Bxb4 Rxb4 27. Nc3 $17) 26. Bxb4 axb4 27. a3 Ra8 $2 ({Weaker is} 27... Rxc4 28. axb4 Rxb4 29. Nc3 $11) (27... b3 $19 28. Nc3 Rxc4) 28. e5 {[#]} (28. Ra2 $11 {remains equal.} ) 28... Rd3 (28... Be6 $1 $17 29. exf6 (29. Bxb7 Rab8 $15) 29... Bxc4 30. Bxh3 Bxf1 31. Bxf1 Rd1) 29. Bxb7 Ra7 30. Be4 ({Better is} 30. Bd5+ $11 Kf8 31. a4) 30... Re3 $15 31. Bd5+ Kf8 $1 32. a4 Re2 $40 {[%mdl 128] Black mounts an attack.} 33. Bf3 $2 {[%mdl 8192]} (33. a5 $15) 33... Bxf3+ $19 34. Rxf3 Rd7 35. Rf1 Rd3 36. a5 Rb3 (36... Nf2+ $142 37. Kg2 Ng4+ {[%mdl 64] Double Attack, Discovered Attack} 38. Kh3 h5) 37. Nd2 Rxd2 38. Rab1 Ra3 {( -> ...Raa2)} 39. Ra1 Rxa1 40. Rxa1 b3 41. a6 {aiming for a7.} Ra2 42. Rb1 b2 $2 (42... g5 $19 { And now ...g4 would win.} 43. Rxb3 Ra1+ 44. Kg2 g4 45. Rb8+ Kg7 46. exf6+ (46. Rb7+ $2 {gets mated.} Kh6 47. Rb1 Rxb1 48. exf6 Rg1#) 46... Kh6 47. Rb1 Rxb1 48. f7 Rg1#) 43. a7 $2 {[%mdl 8192]} (43. Kg2 $11) 43... Nf2+ 44. Kg2 Nd3 { Weighted Error Value: White=0.76/Black=0.43} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "17"] [White "Rapport, Richard"] [Black "Le, Quang Liem"] [Result "0-1"] [ECO "A11"] [WhiteElo "2763"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "113"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 10,113,11,0,0,0,-1,12,14,4,10,0,13,-11,0,0,0,0,0,-3,-8,-6,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,4,0,31,-31,-36,-27,0,-10,6,0,-6,-17,77,68,83,77,101,47,72,72,95, 91,57,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, -12842,-12843,-12843,-12843,-12844,-12844,-12846,-12847,-12847,-12847,-12850]} 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 4. c4 e6 5. O-O Nf6 6. d3 dxc4 {A11: English Opening: 1...c6.} 7. dxc4 Qxd1 8. Rxd1 Nbd7 {[%CAl Bb8d7,Bd7c5,Bc5b3][%mdl 32] The position is equal.} 9. Bf4 O-O-O 10. Nbd2 h6 11. a3 g5 12. Be3 Bc5 13. Bxc5 Nxc5 14. b4 Bxf3 15. Nxf3 {[#]} Nb3 $146 ({Predecessor:} 15... Rxd1+ 16. Rxd1 Ncd7 17. Kf1 Rd8 18. e3 c5 19. Nd2 Kc7 20. Ke2 b6 21. f4 gxf4 22. exf4 { 1/2-1/2 (88) Ribli,Z (2583)-Varga,Z (2444) Hungary 2014}) 16. Rab1 {Strongly threatening Rxd8+.} Rxd1+ 17. Rxd1 {Black must now prevent Rb1.} Rd8 18. Re1 Ne8 19. Ne5 f6 20. Nf7 Rd4 21. Nxh6 Rxc4 22. e4 Nd4 23. Ng8 g4 24. h4 (24. Nh6 $14) 24... gxh3 $1 $15 25. Bxh3 Nf3+ 26. Kf1 Ng7 27. Rd1 (27. Re3 {looks sharper.} Ng5 28. Bg2 f5 29. Nf6 Rc1+ 30. Re1) 27... Ng5 28. Bg2 Nxe4 (28... Ne8 $11 {keeps the balance.}) 29. Bxe4 $16 Rxe4 30. Nxf6 $11 {[%mdl 4096] Endgame KRN-KRN} Re5 31. Rd3 (31. g4 $16) 31... Nh5 {[#]} 32. f4 $1 Rf5 33. Nxh5 (33. Ne4 {feels hotter.} Rd5 34. Ke2 Kd8 35. Re3 e5 36. f5) 33... Rxh5 $16 {KR-KR} 34. Kg2 (34. Kf2 $14) 34... Rd5 $11 35. Re3 Kd7 36. g4 a5 37. Kg3 axb4 38. axb4 Rd4 39. g5 Rxb4 40. g6 Rb1 {Threatens to win with ...Rg1+.} 41. Kg2 { g7 is the strong threat.} Ra1 42. Rh3 Ke7 43. Rh7+ Kf6 44. Rxb7 Kxg6 45. Kf3 Rc1 46. Rc7 Kf6 47. Ke4 Rc4+ 48. Kd3 Rc1 49. Ke4 c5 50. Rc8 c4 51. Rc5 c3 52. Kf3 $2 {[%mdl 8192] [#]} (52. Kd3 $11) 52... c2 $1 $19 {Black is clearly winning.} 53. Kg2 {[#]} Ke7 $1 {[%CAl Re7d6]} 54. Rc4 Kd6 55. Rc3 Kd5 56. Rc8 Ke4 57. Rc6 {Weighted Error Value: White=0.24/Black=0.06} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "17"] [White "Nakamura, Hikaru"] [Black "Mamedyarov, Shakhriyar"] [Result "1-0"] [ECO "B40"] [WhiteElo "2736"] [BlackElo "2782"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 12,91,21,19,19,20,20,20,20,20,33,37,53,35,41,22,33,18,23,2,4,6,13,15,15, 17,22,22,24,14,14,0,9,2,8,9,16,17,19,15,9,-10,43,43,51,43,43,32,47,48,43,40,76, 61,83,83,83,82,84,84,136,132,139,137,139,120,139,112,112,0,125,97,99,66,97,0, 102,0,108,106,316,305]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. Nd2 e5 {[#] B40: Sicilian: 2...e6, Unusual lines.} 8. a4 $146 ({ Predecessor:} 8. Nc4 Be6 9. Qe2 Nd7 10. O-O Be7 11. Ne3 O-O 12. Rd1 b5 13. c3 Qc7 14. Bc2 Rfd8 15. Nd5 cxd5 16. exd5 {1-0 (27) Fedoseev,V (2678)-Shkapenko,P (2424) Chess.com INT 2020}) 8... Be6 9. Qe2 a5 {The position is equal.} 10. Bc4 Qc8 11. O-O Bd6 12. b3 O-O 13. Bb2 Bc7 14. Nf3 Re8 15. Ng5 Bxc4 $1 16. Qxc4 Re7 17. Rfe1 Nh5 18. Ba3 Rd7 19. g3 Qe8 20. Qe2 Nf6 21. Bb2 Rad8 {Strongly threatening ...Rd2.} 22. Nf3 {[%CAl Bg5f3,Bf3d2,Bd2c4][%mdl 32]} h6 23. Bc3 Qe6 24. Kg2 Nh7 25. h4 Nf6 26. Nd2 h5 (26... b5 $11 27. Nf3 b4) 27. Nc4 $14 b6 28. f3 Ne8 29. Rad1 f6 30. Rxd7 Rxd7 31. Qf2 c5 32. Ne3 Bd8 33. Qe2 Nc7 34. Bb2 g6 35. Rd1 Kf7 {[#]} (35... Kf8 $142) 36. Rxd7+ $1 $16 {[%mdl 64] Overworked Piece } Qxd7 {[#]} 37. Nc4 $1 Qe6 38. Qd3 Be7 39. Bc1 Qc6 40. Bb2 Qe6 41. Ne3 Qc6 42. Qc4+ Qe6 43. Qd3 ({Better is} 43. Bc3 $16) 43... Ke8 (43... Qc6 $1 $11) 44. Nc4 (44. Bc3 $16) 44... Qc6 (44... Kf7 $11 {keeps the balance.}) 45. Qd2 {And now Qh6 would win.} Qe6 $2 (45... Bf8 $16 {was called for.}) 46. Qh6 {Weighted Error Value: White=0.14/Black=0.22} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "17"] [White "Xiong, Jeffery"] [Black "Dominguez Perez, Leinier"] [Result "1/2-1/2"] [ECO "B44"] [WhiteElo "2710"] [BlackElo "2758"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,53,7,2,0,6,0,0,0,0,0,0,0,-7,-14,-4,-41,-39,-42,-38,-36,-38,-60,-60, -61,-54,-54,-40,-52,-43,-56,-52,-52,0,-52,0,-52,0,-47]} 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. Qe2 {now supersedes 10.Bg5. B44: Sicilian: Taimanov: 5 Nb5.} Re8 11. Rd1 {[#]} Bxc3 $146 ({Predecessor:} 11... d6 12. h3 Be6 13. Bg5 h6 14. Bh4 g5 15. Bg3 Kg7 16. Bc2 Bc5 17. Bxe5 Bxc4 18. Qxc4 Rxe5 {0-1 (60) Magyar,O (2325)-Berend,F (2210) Val Thorens 1989}) 12. bxc3 c5 13. Bc2 Rb8 14. Be3 Qc7 15. Qd3 Rb6 16. a4 a5 17. Rab1 Rxb1 18. Rxb1 h6 19. Bd1 d6 20. Rb2 Bb7 21. f3 Bc6 22. Rd2 Rd8 23. Kf2 Qd7 24. Qc2 Qc7 25. Qd3 $1 Qd7 26. Qc2 $1 Qc7 27. Qd3 $1 {Weighted Error Value: White=0.05/Black=0.09} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "17"] [White "Shankland, Sam"] [Black "Svidler, Peter"] [Result "0-1"] [ECO "B12"] [WhiteElo "2709"] [BlackElo "2714"] [Annotator "TA"] [PlyCount "92"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,92,0,0,0,0,0,0,-20,-9,-7,0,0,8,15,10,0,16,-13,25,8,44,35,50,59,64,45, 47,48,76,0,90,-96,155,133,215,204,211,219,262,243,247,187,253,253,366,360,303, 172,218,94,695,665,808,490,479,484,462,453,431,431,636,0,0,0,0,-26,-23,-37,-26, -320,0,0,0,0,0,-29982,0,-5182,-5093,-5110,-5097,-29977,-29977,-29977,-12220]} 1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Nc6 {[%CAl Bb8c6,Bc6b4,Bb4d3] [%mdl 32]} 6. Qf4 {B12: Caro-Kann: Advance Variation.} e6 7. Bd3 Nb4 8. Nc3 { The position is equal.} (8. O-O {is more complex.} Bd7 9. Nc3 Nxd3 10. cxd3 Ne7 11. h4) 8... Nxd3+ 9. cxd3 {[#]} Bd7 $146 ({Predecessor:} 9... Ne7 10. Ng5 Nf5 11. Nxf7 Kxf7 12. g4 d4 13. Ne4 h6 14. h4 Qd5 15. Rg1 Bd7 16. Bd2 Rc8 17. h5 Be7 18. gxf5 exf5 19. Kf1 Rc6 20. Re1 Rg8 {1/2-1/2 (20) Stone,G (2283)-Wong,L ICCF email 2014}) 10. h4 h6 11. h5 Ne7 12. Nd4 Rc8 13. O-O a6 (13... g5 $5 { [%CAl Rg5f4]} 14. Qe3 Qb6 $11) 14. Be3 g6 15. Qh2 $40 {[%mdl 128] Black needs to defend precisely.} Rg8 16. Nce2 g5 17. f4 Nf5 18. Nxf5 exf5 19. Nd4 (19. fxg5 $16 {Threatens to win with g6.} hxg5 20. Qg3) 19... g4 (19... Bc5 $11 20. Rac1 Bxd4 21. Bxd4 Rxc1 22. Rxc1 gxf4 23. Qxf4 Qg5 24. Qxg5 Rxg5) 20. Rac1 $2 ( 20. g3 $16) 20... Be7 $2 {[%mdl 8192]} (20... g3 $1 $17 {[%CAl Rg3h2] keeps the pressure on.} 21. Qh3 Bc5 22. Rxc5 Rxc5) 21. Rxc8 Qxc8 (21... Bxc8 $16 { might work better.} 22. g3 Be6) 22. Rc1 $18 Qd8 {With the idea ...g3.} 23. g3 Qa5 24. a3 Bd8 25. Qf2 Kf8 {[#]} (25... Qa4 {is a better defense.} 26. Qd2 Qa5) 26. Rc5 $3 {[%mdl 512]} Qa4 (26... Qxc5 {was worth a try.} 27. Ne6+ {[%mdl 64] Discovered Attack} fxe6 28. Bxc5+ Kg7) 27. Rxd5 Ke8 28. Qd2 (28. Qg2 $142 Be6 29. Rxd8+ $1 {[%mdl 512]} Kxd8 30. Qxb7) 28... Bb6 29. Kf2 (29. Qc1 $18 { is more deadly.} Bxd4 30. Rxd4) 29... Bc6 $2 {[%mdl 8192]} (29... Bxd4 $16 30. Rxd4 (30. Bxd4 Qc6 $11) 30... Qc6) 30. Rd6 Bc5 31. b3 Qxa3 {[#]} 32. Nc2 $1 Bxe3+ 33. Nxe3 ({Weaker is} 33. Kxe3 Qa2 $18) 33... Qxb3 34. Nxf5 Qb1 (34... Qb6+ $142 35. Ne3 Qb1) 35. Rxc6 $2 bxc6 {[%mdl 4096] Endgame KQR-KQN} 36. Qc3 Qb6+ ({Worse is} 36... Qh1 37. Qc5 Qf3+ 38. Ke1 Qxg3+ 39. Nxg3 Kd8 40. Nf5 Kc7 41. Qa7+ Kc8 42. Ne7+ Kd8 43. Nxc6+ Kc8 44. Qb8+ Kd7 45. Qb7+ Ke8 46. Qe7#) 37. d4 Kd7 {White must now prevent ...Rb8.} 38. Nxh6 Rb8 {...Qb1 is the strong threat.} 39. Nxf7 $2 {[%mdl 8192]} (39. Nxg4 $11 {and White stays safe.} Qb2+ 40. Qxb2 Rxb2+ 41. Kf3) 39... Qb1 $2 (39... a5 $19 {aiming for ...Qb2+.} 40. Ke3 a4) 40. e6+ $1 $11 {[%mdl 64] Decoy} Kxe6 (40... Ke7 $5 41. Qc5+ $8 (41. Qxc6 {gets mated.} Rb2+ 42. Ke3 Qe1+ {[%mdl 64] Double Attack} 43. Kd3 Qe2+ 44. Kc3 Qc2#) 41... Kxe6 42. Qd6+ Kxf7 43. Qd7+ Kf6 44. Qd6+ Kg7 45. Qe7+ Kh8 46. Qf6+ Kg8 47. Qe6+ Kg7 48. Qe7+ Kh8 49. Qf6+ Kh7 50. Qe7+ Kh8 $11) 41. Qxc6+ Kxf7 42. Qc7+ $2 {[%mdl 8192]} (42. Qd7+ $11 Kf6 43. Qd6+ Kf7 44. Qd7+ Kf6 45. Qd6+ Kg7 46. Qe7+ Kh8 47. Qf6+ Kg8 48. Qe6+ Kh8 49. Qf6+ Kh7 50. Qe7+ Kh8 51. Qf6+) 42... Ke8 $2 (42... Kg8 {mates} 43. Qc4+ Kh8 44. Qxa6 Rb2+ 45. Qe2 Rxe2+ 46. Kxe2 Qe4+ {[%mdl 64] Double Attack} 47. Kd2 Qg2+ 48. Kd3 Qxg3+ {[%mdl 64] Double Attack} 49. Ke4 Qf3+ 50. Kf5 g3 51. Ke6 g2 52. Ke5 g1=Q 53. d5 Qxh5+ 54. Ke4 Qg2+ 55. Kd4 Qhxd5+ 56. Ke3 Qgf3#) 43. Qe5+ $2 {[%mdl 8192]} (43. Qc6+ $11 Ke7 44. Qc7+ Ke8 45. Qc6+ Kf7 46. Qd7+ Kf8 47. Qd6+ Kg7 48. Qe7+ Kh6 49. Qf6+ Kh7 50. Qe7+ Kh8 51. Qf6+ Kh7 52. Qe7+ Kh8 53. Qf6+ Kh7) 43... Kd7 $1 $19 44. Qd5+ Kc7 $1 {( -> ...Rb2+)} 45. Qc5+ {[#]} Kb7 $1 46. Qd5+ {[#]} Ka7 $1 { What a bad dream for White. Weighted Error Value: White=0.87/Black=0.60} 0-1 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "18"] [White "Caruana, Fabiano"] [Black "Rapport, Richard"] [Result "1/2-1/2"] [ECO "E19"] [WhiteElo "2806"] [BlackElo "2763"] [Annotator "TA"] [PlyCount "91"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 20,91,25,16,15,3,14,8,20,7,16,-5,-7,-38,13,0,15,2,0,-33,-26,-23,-23,-23, -25,-27,-18,-38,-17,-29,-28,-38,-26,-146,0,2,2,0,0,0,0,0,52,-22,0,0,0,-42,-37, -35,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 c5 {9...d6 deserves study.} 10. Rd1 d6 11. d5 exd5 {E19: Queen's Indian: Old Main Line with 7...Ne4 8 Qc2 Nxc3 8 Qxc3.} 12. cxd5 Bf6 13. Qc2 Nd7 14. Bf4 Qe7 15. e4 Rfe8 16. Re1 b5 (16... g5 $15 17. Bd2 g4) 17. a4 {[#]} a6 $146 ({Predecessor:} 17... b4 18. Rab1 Rac8 19. Nd2 Ba6 20. Bf1 Bxf1 21. Kxf1 g5 22. Be3 Ne5 23. b3 g4 {1/2-1/2 (47) Trussevich,S (2244)-Thoma,C (2214) Wuerttemberg 2018}) 18. axb5 axb5 19. Qb3 b4 20. Rxa8 Rxa8 21. Nd2 g5 22. Be3 Ne5 23. f4 gxf4 24. gxf4 Ng4 25. e5 $1 {[%CAl Re5f6]} dxe5 26. Ne4 {[#]} (26. d6 $1 $11 Qd7 27. Bxb7 Qxb7 28. Bxc5) 26... Bg7 (26... c4 $1 $17 {[%CAl Rc4b3]} 27. d6 (27. Nxf6+ Qxf6 28. Qxb4 Qh4 $17) 27... cxb3 28. dxe7 Bxe7) 27. Bxc5 $11 {[%mdl 64] Double Attack} Qh4 {[%mdl 64] Double Attack} 28. Qg3 Qxg3 29. Nxg3 exf4 30. Nf5 Bxb2 ( 30... Ne5 $11 31. Nxg7 (31. Bxb4 Nd3 $11 {[%mdl 64] Double Attack}) 31... Nd3 { [%mdl 64] Double Attack}) 31. Bxb4 (31. Re7 $1 $14 Ne3 32. Bxe3 (32. Rxb7 Nxf5 33. Be4 Bd4+ 34. Bxd4 Nxd4 $15) (32. Nxe3 fxe3 33. Bxe3 Ba6 $15) (32. Bxb4 $2 Nxf5 33. Rxb7 Bd4+ 34. Kf1 Ne3+ 35. Ke2 Nxg2 $19) 32... fxe3 33. Rxb7 Ra1+ 34. Bf1) 31... Ne3 32. Nxe3 Bd4 {[%mdl 64] [#] Pin} 33. Kh1 {Strongly threatening Nf5.} fxe3 34. d6 $1 Bxg2+ (34... Ra7 {keeps more tension.} 35. Rg1 Kh8 36. h4 Bc8 37. Bc6 e2) 35. Kxg2 $15 {[%mdl 4096] Endgame KRB-KRB. The position is equal.} f5 36. Kf3 Kf7 {aiming for ...Ra2.} 37. Rd1 Bb6 38. d7 Rd8 39. Rd5 Bc7 40. Rxf5+ ({Much weaker is} 40. Kxe3 Ke6 $17) 40... Ke6 {[%mdl 64] Double Attack} 41. Rh5 Rxd7 42. Kxe3 Bb6+ 43. Ke2 Bc7 44. Ke3 Bb6+ 45. Ke2 {Black must now prevent Rh6+.} Bc7 46. Ke3 {[%emt 0:00:15] Weighted Error Value: White=0.14/Black=0.} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "18"] [White "Mamedyarov, Shakhriyar"] [Black "Xiong, Jeffery"] [Result "1-0"] [ECO "B06"] [WhiteElo "2782"] [BlackElo "2710"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,53,53,45,37,50,48,46,39,81,74,99,102,107,106,108,91,139,134,168,93, 101,94,102,91,127,127,118,120,119,114,160,161,168,166,270,275,267,276,235,100, 413,419,554,487,1545,1508]} 1. d4 g6 2. e4 Nf6 3. Nc3 d5 4. e5 Ne4 5. Nce2 f6 $1 6. f3 {B06: Modern Defence.} Ng5 7. Be3 $5 {[%mdl 4] A promising side line.} Nf7 8. f4 {White is slightly better.} Nh6 {[#]} 9. Nf3 $146 ({Predecessor:} 9. h3 Nf5 10. Bf2 h5 11. Nf3 h4 12. c4 c6 13. Nc3 Be6 14. cxd5 Bxd5 15. Bd3 { 1-0 (49) Ehlvest,J (2547)-Rapport,R (2709) Jurmala 2015}) 9... Nc6 10. h3 Nf5 11. Bf2 h5 12. g3 b6 13. Rg1 Ba6 {[#]} 14. c3 (14. g4 $1 $18 {[%CAl Rg4f5]} hxg4 15. hxg4) 14... Qd7 $16 15. Qc2 O-O-O 16. O-O-O Bh6 17. Kb1 {And now g4 would win.} fxe5 18. dxe5 {Hoping for g4.} e6 19. g4 hxg4 20. hxg4 Nfe7 {[#]} 21. Bh4 $1 Bxe2 (21... Rdf8 {was called for.} 22. Bf6 Rh7) 22. Bxe2 $18 Bxf4 23. Bf6 Rh3 24. Qa4 (24. Rgf1 $18 {and White stays clearly on top.}) 24... Be3 {[%mdl 8192] [#]} (24... Rxf3 $16 25. Bxf3 Bxe5) 25. Bb5 $1 a5 (25... Rxf3 26. Bxe7) 26. Nd4 {[%CAl Rd4c6]} Bxg1 (26... Kb7 $142 27. Rh1 Rxh1) 27. Nxc6 { [%CAl Rb5a6] Weighted Error Value: White=0.16/Black=0.44} 1-0 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "18"] [White "Dominguez Perez, Leinier"] [Black "Shankland, Sam"] [Result "1/2-1/2"] [ECO "B67"] [WhiteElo "2758"] [BlackElo "2709"] [Annotator "TA"] [PlyCount "128"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,128,47,39,44,29,39,50,49,49,56,58,83,53,74,26,29,0,37,34,22,26,45,33, 28,0,98,92,115,97,116,92,166,162,173,182,218,187,284,260,232,222,221,163,292, 293,302,302,343,286,410,406,518,603,598,592,589,578,560,541,506,377,449,348, 582,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,14,10,10,10,10,10,10,9, 9,0,0,0,14,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. Kb1 Be7 10. Nxc6 Bxc6 11. f3 b5 12. h4 O-O {12...h6 is becoming the main line.} 13. Bd3 b4 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7.} 14. Ne2 a5 15. Nd4 Bd7 {White is slightly better.} 16. g4 a4 17. Be3 b3 {[#]} 18. h5 $146 ({ Predecessor:} 18. cxb3 axb3 19. a3 Ba4 20. h5 Nd7 21. g5 Qa5 22. Qg2 Ne5 23. g6 Bf6 24. h6 fxg6 25. hxg7 {0-1 (39) Kurnosov,I (2663)-Dubov,D (2569) Tyumen 2012 }) 18... e5 19. Ne2 h6 20. Nc3 Be6 21. g5 hxg5 22. Bxg5 Kh8 23. cxb3 axb3 24. a3 Rc8 (24... Nd5 $1 $11 {keeps the balance.} 25. Bxe7 Nxc3+ 26. Qxc3 Qxe7) 25. Rdg1 $16 Rg8 26. Rg2 $1 Nh7 {[%CAl Re7g5] [#]} 27. Be3 Bf6 {[#]} (27... Qa5 $16 ) 28. Nd5 $1 $18 Bxd5 29. exd5 Re8 30. Be4 Rc4 (30... Qe7 $142 31. Rhg1 Rg8) 31. Bxh7 e4 32. Bxe4 Rexe4 33. Qd3 Rc2 (33... Rh4 {was worth a try.} 34. Rxh4 Rxh4) 34. Rxc2 ({Less strong is} 34. Qxe4 Rxg2 35. Bc1 Qd7 $14) 34... bxc2+ 35. Kxc2 Re5 36. Kb1 Qa8 (36... Qb8 $142 37. Bc1 Re8) 37. h6 g6 38. Bd4 Qxd5 39. Rd1 Kh7 40. Bxe5 Qxe5 {[%csl Gf6][%CAl Re5b2][%mdl 4096] Endgame KQR-KQB} 41. Qc2 Qe3 42. Qd2 Qxf3 43. Qxd6 Qb3 $2 (43... Kxh6 {was necessary.} 44. Qd5 Qg4) 44. Qd2 $2 ({Inferior is} 44. Qxf6 Qxd1+ 45. Ka2 Qd5+ 46. b3 Kxh6 $11) ({ White has to play} 44. Rd2 $18 Bg5 45. Qd5 Qxd5 46. Rxd5) 44... Bxb2 $11 { The position is equal.} 45. Qc2 Qxc2+ 46. Kxc2 Bxa3 {KR-KB} 47. Rd7 Kxh6 48. Rxf7 Bd6 49. Kd3 Kg5 50. Ke4 Bh2 51. Kd5 Bg3 52. Ke6 Kg4 53. Kf6 g5 54. Kg6 Bf4 55. Rf8 Be3 56. Re8 Bf4 57. Re4 Kf3 58. Kf5 Kg3 59. Ra4 Kf3 60. Rb4 Be3 61. Ra4 Bf4 62. Ra3+ Be3 63. Rxe3+ Kxe3 64. Kxg5 Ke4 {Black defended with fortune. Weighted Error Value: White=0.27/Black=0.29} 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "18"] [White "Svidler, Peter"] [Black "So, Wesley"] [Result "1/2-1/2"] [ECO "C67"] [WhiteElo "2714"] [BlackElo "2772"] [Annotator "RC"] [PlyCount "28"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [TimeControl "300+2"] 1. e4 {[%emt 0:00:01]} e5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:01]} Nc6 { [%emt 0:00:01]} 3. Bb5 {[%emt 0:00:01]} Nf6 {[%emt 0:00:01]} 4. O-O {[%emt 0: 00:02]} Nxe4 {[%emt 0:00:01]} 5. d4 {[%emt 0:00:05]} Nd6 {[%emt 0:00:01]} 6. dxe5 {[%emt 0:00:02]} Nxb5 {[%emt 0:00:02]} 7. a4 {[%emt 0:00:00]} Nbd4 { [%emt 0:00:01]} 8. Nxd4 {[%emt 0:00:02]} Nxd4 {[%emt 0:00:02]} 9. Qxd4 { [%emt 0:00:01]} d5 {[%emt 0:00:01]} 10. exd6 {[%emt 0:00:01]} Qxd6 {[%emt 0:00: 01]} 11. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 12. Qd4 {[%emt 0:00:01]} Qd6 {[%emt 0:00:01]} 13. Qe4+ {[%emt 0:00:01]} Qe6 {[%emt 0:00:01]} 14. Qd4 { [%emt 0:00:01]} Qd6 1/2-1/2 [Event "GCT St Louis Blitz 2021"] [Site "St. Louis"] [Date "2021.08.15"] [Round "18"] [White "Le, Quang Liem"] [Black "Nakamura, Hikaru"] [Result "1/2-1/2"] [ECO "C70"] [WhiteElo "2709"] [BlackElo "2736"] [Annotator "TA"] [PlyCount "128"] [EventDate "2021.08.14"] [EventType "tourn"] [EventCountry "USA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 9,128,16,33,31,28,29,37,24,22,24,40,42,45,17,31,3,6,0,8,0,0,0,5,-10,0, -8,14,10,16,0,0,0,0,-125,-82,-83,-84,-56,-61,-91,-46,-45,0,0,0,0,0,0,0,-35,-45, -40,-41,-58,-52,-52,-35,-91,-87,-89,-35,-47,-11,-11,0,0,0,-13,-15,-39,0,0,0,0, 0,-36,0,0,0,0,0,0,0,0,0,0,1,0,8,0,2,2,2,0,0,0,0,0,0,0,10,0,17,17,17,17,80,0,17, 0,17,17,17,0,17,0,17,0,17,0,17]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 5. c3 Bg7 6. d4 {C70: Ruy Lopez: 3...a6 4 Ba4, Norwegian and Delayed Schliemann.} b5 7. Bc2 $1 {[%mdl 4] is now more promising than 7.Bb3.} d6 8. O-O {White is slightly better.} exd4 9. Nxd4 Nge7 10. Bg5 {[#] Strongly threatening Nxc6.} Qd7 $146 ({Predecessor:} 10... Bb7 11. Nxc6 Bxc6 12. Nd2 O-O 13. Nb3 Re8 14. Qd2 Qb8 15. Rfe1 Nc8 16. Nd4 Bd7 {1-0 (27) Azarov,S (2565)-Shengelia,D (2512) Czech Republic 2019}) 11. Re1 O-O 12. Nxc6 Nxc6 13. Nd2 {[%CAl Bb1d2,Bd2f3, Bf3d4][%mdl 32]} Bb7 14. Nf3 Rfe8 15. Qd2 Na5 16. Rad1 Nc4 17. Qc1 Re6 18. Nd4 Ree8 19. h3 c5 20. Nf3 Qc7 21. Bh6 (21. Nh2 $11 {remains equal.}) 21... Bxh6 { [%mdl 64] [#] Overworked Piece} 22. Qxh6 Nxb2 23. Rd2 Nc4 24. Rde2 f6 25. Bb3 Re6 26. Nd2 d5 27. exd5 Rxe2 28. Rxe2 Bxd5 29. Nxc4 (29. Bxc4 $5 bxc4 30. Ne4 $15) 29... bxc4 30. Bc2 Bf7 31. Be4 Rd8 {( -> ...Rd1+)} 32. g3 Qd6 {aiming for ...Qd1+.} 33. Bf3 (33. Kg2 $15) 33... Qd3 $17 34. Re3 Qb1+ (34... Qd2 $17 35. Qh4 Kg7) 35. Kg2 $1 $15 Qxa2 {White must now prevent ...Rd2.} (35... Rd3 { seems wilder.} 36. a4 Qb8 37. Be4 Rd1 38. h4 Qf8) 36. Qf4 $1 ({Don't play} 36. Re7 Qd2 $17) 36... Qd2 37. Qxf6 Qd6 38. Qxd6 Rxd6 $11 {[%mdl 4096] Endgame KRB-KRB} 39. Re5 Rd3 40. Rxc5 Rxc3 41. Ra5 Be6 42. Bg4 Bf7 (42... Kf7 {keeps more tension.} 43. Kf1 Rc2 44. Rxa6 Bd5 45. Rd6 Be4) 43. Bf3 Be6 44. g4 Rd3 ( 44... Bc8 {feels hotter.} 45. Rc5 Bd7 46. Bb7 h5 47. Bxa6 hxg4 48. hxg4 Bxg4 49. Rxc4 Bf3+) 45. Rxa6 Bd5 46. Bxd5+ Rxd5 {KR-KR} 47. Rc6 Rd4 48. f3 g5 49. Kg3 Kg7 50. h4 h6 51. h5 Kh7 52. Kf2 Kg7 53. Ke3 Rf4 54. Rc7+ Kg8 55. Rc6 Kg7 56. Rg6+ Kh7 57. Re6 Kg7 {[#]} (57... Rf8 $11) 58. Rg6+ (58. Re4 $1 $16 { [%CAl Re4f4]} Rf6 59. Rxc4) 58... Kh7 {The position is equal.} 59. Re6 Rf7 60. Rc6 Rf4 $1 61. Rc7+ Kg8 62. Rc6 Kg7 63. Rc7+ Kg8 64. Rc6 Kg7 {Weighted Error Value: White=0.12/Black=0.10} 1/2-1/2