[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.1"]
[White "Caruana, Fabiano"]
[Black "Aronian, Levon"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2812"]
[BlackElo "2758"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,75,0,10,12,7,0,0,0,0,0,0,-21,6,11,7,0,46,41,57,50,52,0,42,11,24,29,36,30,25,27,28,42,43,47,44,0,0,0,0,11,8,0,6,0,8,0,0,8,8,0,6,9,10,15,10,0,3,0]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. O-O Be7 8. b3 O-O 9. Bb2 Re8 10. Rc1 Bf8 11. Ne4 {A29: English Opening: Four Knights Variation with 4 g3} (11. d3 Nd4 12. e3 Nxf3+ 13. Qxf3 c6 14. Rfd1 Qg5 15. h4 Qg4 16. Ne4 Qxf3 17. Bxf3 a5 18. Nc5 a4 {0-1 (79) Dubov,D (2690)-Nakamura,H (2761) Moscow 2019}) 11... f6 12. d4 f5 $146 ({Predecessor:} 12... exd4 13. Nxd4 Nxd4 14. Qxd4 Qxd4 15. Bxd4 c6 16. e3 Ba3 17. Ra1 Nd5 18. Bc5 Bxc5 19. Nxc5 {0-1 (49) Pruess,D (2424)-Atalik,S (2564) San Fransisco 2007}) 13. Nc5 {[%cal Rd4e5]} e4 $1 {[%cal Re4f3]} 14. Ne5 Nxe5 15. dxe5 Qxd1 16. Rfxd1 c6 17. g4 g6 18. gxf5 gxf5 19. f3 $1 Bh6 20. Rc2 ({White should play} 20. fxe4 $14 Bxc1 21. Rxc1 (21. Bxc1 Rxe5 22. Be3 fxe4 $11)) 20... e3 21. e6 {next Bh3 is good for White.} Bxe6 22. Nxb7 {Bh3 is the strong threat.} Nd5 23. Rxc6 Rac8 24. Rdc1 ({Reject} 24. Rxe6 Rxe6 25. Rxd5 Rc2 $17) 24... Rxc6 25. Rxc6 Nf4 26. Bf1 Bf8 {White should prevent ...Bd5.} 27. Nc5 Bd5 $1 {[%cal Rd5c6] The position is equal.} 28. Rc7 Bxc5 $1 29. Rxc5 {And now Bd4 would win.} Bxf3 $1 30. exf3 e2 31. Bc3 {Hoping for Bg2.} Re3 $1 {[%cal Re3c3] [#] aiming for ...Rxc3.} 32. Ba5 (32. Bb4 {is interesting.} exf1=Q+ 33. Kxf1 Rxf3+ 34. Kg1 Nd3 35. Rc4) 32... exf1=Q+ 33. Kxf1 Rxf3+ $11 {KRB-KRN} 34. Kg1 h5 35. h4 Rh3 36. Rxf5 Rxh4 37. Kf2 {[#] Strongly threatening Rg5+.} Ne6 38. Bc3 {Accuracy: White = 41%, Black = 66%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.1"]
[White "Amin, Bassem"]
[Black "Vocaturo, Daniele"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2699"]
[BlackElo "2620"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,109,-13,0,-4,0,0,0,0,0,0,0,0,3,15,25,25,18,13,41,14,41,20,39,20,29,20,48,44,52,40,52,52,65,39,65,62,59,48,56,43,47,33,41,30,39,30,39,30,34,32,51,28,25,27,30,28,29,30,29,27,29,9,28,29,27,15,14,0,24,25,34,40,34,16,24,24,24,10,24,24,24,0,0,0,25,25,25,25,25,24,25,25,88,88,88,88,88,88]} 1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O Nge7 7. c3 O-O 8. Na3 {C00: French: Unusual White 2nd moves} d5 (8... d6 9. Nc2 e5 10. b4 h6 11. b5 Na5 12. d4 exd4 13. cxd4 Be6 14. Rd1 Bc4 15. Qe1 Bxb5 16. dxc5 {0-1 (50) Adhiban,B (2672)-Sadorra,J (2575) Chengdu 2017}) 9. e5 f6 {[%cal Rf6e5]} 10. d4 $146 {The position is equal.} ({Predecessor:} 10. exf6 Bxf6 11. d3 e5 12. Be3 {½-½ (37) Betker,J-Hampel,J Germany 1995}) 10... cxd4 11. cxd4 Nf5 12. Nc2 Qb6 {[%cal Rc6d4]} 13. Rd1 Bd7 14. g4 Nfe7 15. exf6 Bxf6 (15... Rxf6 {is more complex.} 16. Be3 Rf7 17. Nce1 Raf8 18. Rac1 h6) 16. Be3 Bg7 17. Qd2 Rac8 18. b3 Qc7 {With the idea ...e5.} 19. h3 Nd8 20. Nce1 Nf7 21. Nd3 Nc6 22. Rac1 b6 23. Rc2 Qb7 24. Rdc1 Ne7 25. Bf1 Rxc2 26. Rxc2 Rc8 27. Nde5 Nxe5 28. Nxe5 Rxc2 29. Qxc2 Be8 30. f4 Nc6 31. Nf3 Qe7 32. Bb5 Nxd4 33. Nxd4 Bxd4 34. Bxd4 Bxb5 35. Qc8+ Be8 36. Qb8 e5 37. Bxe5 Kf7 38. Kg2 Qd7 39. Kf2 d4 40. Ke1 h5 41. Kd2 hxg4 42. hxg4 Ke6 43. a4 Kd5 44. Bxd4 Ke4 45. Qe5+ Kf3 46. g5 Bf7 47. Qe3+ Kg4 48. Kc3 Qe6 (48... Qc7+ {looks sharper.} 49. Kb2 Qxf4 50. Qd3 Qxg5 51. Qe2+ Kf5) 49. Qxe6+ Bxe6 $11 {[%mdl 4096] Endgame KB-KB} 50. Be5 a6 51. Kb4 Bd7 52. Bc7 b5 {[#]} (52... Be6 $11) 53. a5 $1 $16 {White is better.} Kf5 54. Kc5 {b4 is the strong threat.} b4 55. Kxb4 {Accuracy: White = 64%, Black = 56%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.2"]
[White "Wang, Hao"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2726"]
[BlackElo "2876"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,61,12,34,48,29,7,13,12,12,12,8,10,15,14,15,17,17,17,20,15,16,13,16,15,18,18,18,17,13,8,4,4,12,6,7,0,0,0,0,-13,-13,-34,-35,-35,-35,-35,-35,-35,-35,-35,-35,-35,-35,-37]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Qb3 a5 6. Bg5 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} c5 7. dxc5 Na6 {[%cal Bb8a6,Ba6c5,Bc5e4][%mdl 32]} 8. a3 $146 {The position is equal.} ({Predecessor:} 8. O-O-O Nxc5 9. Qc2 Bxc3 10. Qxc3 Nce4 11. Bxf6 Qxf6 12. Qxf6 gxf6 13. Rg1 Nxf2 {0-1 (39) Sebenik,M (2562)-Swiercz,D (2654) chess.com INT 2018}) 8... Nxc5 9. Qc2 Bxc3+ $1 10. Qxc3 Nce4 11. Bxf6 Qxf6 12. Qxf6 Nxf6 13. cxd5 Nxd5 14. e4 Nf6 15. Bd3 Bd7 16. Ne5 Ke7 17. Rc1 Rhc8 18. Kd2 Be8 19. f4 Nd7 20. Nxd7 Bxd7 21. Rxc8 Rxc8 22. Rc1 Rxc1 23. Kxc1 $11 {[%mdl 4096] Endgame KB-KB} e5 24. fxe5 Ke6 25. Kd2 Kxe5 {Black is slightly better.} 26. Ke3 Bc6 27. g3 f6 28. Bc2 b6 29. Bd3 h6 30. Bc2 Bb7 31. Bd3 {Accuracy: White = 62%, Black = 84%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.2"]
[White "L'Ami, Erwin"]
[Black "Vallejo Pons, Francisco"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "2619"]
[BlackElo "2694"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,112,16,17,12,31,12,19,0,11,0,0,0,21,16,12,0,11,0,0,0,0,-9,28,0,21,29,17,12,4,0,8,-39,-31,-39,-39,-33,-38,-35,-34,-37,-37,-34,-38,-44,-49,-68,-65,-68,-69,-69,-59,-66,-64,-95,-72,-72,-38,-60,-67,-45,-50,-60,-52,-71,-61,-60,-42,-73,-79,-61,0,-149,-156,-268,-268,-277,-260,-286,-289,-314,-281,-570,-569,-520,-501,-525,-343,-363,-359,-1021,-1022,-1024,-1016,-984,-961,-5185,-4539,-29960,-29961,-29961,-29962,-29962,-29961,-11071,-4614]} 1. d4 e6 2. c4 d5 3. Nc3 a6 4. cxd5 exd5 5. Bf4 (5. Nf3 h6 6. Bf4 Nf6 7. e3 Bd6 8. Bxd6 Qxd6 9. Qc2 O-O 10. Bd3 Re8 11. h3 Be6 12. O-O Nbd7 13. a4 {½-½ (40) Shankland,S (2725)-Carlsen,M (2835) Wijk aan Zee 2019}) 5... Nf6 6. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} c5 7. Nf3 c4 8. Be2 {The position is equal.} b5 9. O-O $146 ({Predecessor:} 9. a3 Qa5 10. O-O Be7 11. Ne5 O-O 12. f3 Bb7 13. Qc2 Nh5 14. Bg3 Nxg3 15. hxg3 Qb6 16. Kf2 g6 17. Rh1 Bd6 18. Ng4 Kg7 19. f4 h5 {½-½ (19) Mijajlovic,U-Petrovic,Z (2122) Belgrade 2006}) 9... Bb7 10. Ne5 Be7 11. Bf3 O-O 12. Qc2 Nbd7 13. Rfd1 Rc8 14. a3 Nb6 15. Qf5 Na8 16. Bg5 {And now Bxf6 would win.} g6 17. Qh3 Nc7 18. Bxf6 (18. Bh6 {with more complications.} Re8 19. Be2 a5 20. Bf3 Bd6 21. Bg5) 18... Bxf6 19. Nd7 Re8 20. Nc5 Bc6 21. Bg4 Ra8 22. Bd7 Bxd7 23. Qxd7 Qxd7 24. Nxd7 Be7 25. Nc5 a5 26. b4 Ra7 27. Rab1 axb4 28. axb4 Ra3 29. Rdc1 f5 30. g3 Kf7 31. h4 Rea8 32. Kf1 Ke8 (32... Bf8 {feels hotter.} 33. Ke2 Ke7 34. Kd2 Kd6 35. Rh1 Kc6) 33. Ke2 Bxc5 34. dxc5 Kd7 35. Kd2 Kc6 36. Kc2 $1 {[#]} d4 $1 $36 {[%cal Rd4c3][%mdl 2560] Black has some pressure.} 37. exd4 Nd5 38. Kd2 Nxc3 39. Rxc3 $17 {[%mdl 4096] Endgame KRR-KRR} Kd5 ({Better is} 39... R3a4 $15) 40. Rd1 {[#]} (40. Rxa3 $11 Rxa3 41. Re1) 40... Ra2+ $1 {[%mdl 1024] Black has strong compensation.} ({And not} 40... Kxd4 41. Kc2+ Ke5 42. Rxa3 $14) 41. Rc2 {[#]} (41. Ke1 $17 Re8+ 42. Re3 Rxe3+ 43. fxe3) 41... R2a4 $1 $19 ({Worse is} 41... Kxd4 42. Kc1+ Ke4 43. Rxa2 $14) (41... Rxc2+ 42. Kxc2 Ra2+ 43. Kc3 $11) 42. Rb2 Ra3 {Hoping for ...c3+.} ({Not} 42... Kxd4 43. Kc2+ Ke4 44. h5 $15) 43. Ke1 {intending Re2.} Re8+ 44. Re2 Re4 45. Rxe4 $2 (45. h5 {was worth a try.}) 45... fxe4 {KR-KR} 46. Ke2 c3 47. f3 exf3+ 48. Kd3 f2 49. Rf1 $2 {[#]} (49. g4) 49... c2+ $1 {[%mdl 512]} 50. Kd2 (50. Kxc2 Kxd4) 50... Ra6 51. Kd3 h6 52. Kd2 g5 53. hxg5 hxg5 (53... Ra2 $2 54. Kc3 $19) 54. Kc3 Ke4 55. g4 Ra8 56. c6 {[#]} Rc8 $1 {[%mdl 512] Accuracy: White = 40%, Black = 81%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.3"]
[White "Inarkiev, Ernesto"]
[Black "Akobian, Varuzhan"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2693"]
[BlackElo "2625"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,85,24,27,27,31,32,37,43,44,26,37,34,39,49,37,13,18,0,42,47,39,13,35,41,81,15,25,25,19,0,0,0,0,0,0,0,0,0,0,-57,-52,-67,0,0,42,44,72,68,103,90,128,76,97,0,96,109,227,227,219,219,314,312,286,298,336,348,334,339,1290,1268,29988,29989]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Nbd7 6. Nf3 h6 7. Bxf6 Nxf6 8. Bd3 c5 9. Nxf6+ {C13: French: Classical System: 4 Bg5 Be7, Alekhine-Chatard Attack} (9. Qe2 cxd4 10. Bb5+ Nd7 11. O-O-O a6 12. Nxd4 Be7 13. Qg4 axb5 14. Nxe6 fxe6 15. Qxg7 Rf8 16. Qg6+ Rf7 17. Qg8+ Rf8 18. Qg6+ Rf7 19. Qg8+ {½-½ (19) Shimanov,A (2636)-Mamedov,R (2660) Nakhchivan 2014}) 9... gxf6 10. Qe2 Qa5+ 11. c3 {White is slightly better.} Bd7 12. d5 O-O-O 13. dxe6 $1 fxe6 {[#]} 14. O-O $146 ({Predecessor:} 14. Bc4 e5 15. O-O-O h5 16. Qe4 Qa4 {1-0 (49) Muzychuk,A (2534)-Sedina,E (2305) Reykjavik 2015}) 14... Bd6 15. Rfe1 Kb8 16. Bc4 Rhe8 17. Rad1 Bc8 18. Nh4 Qc7 19. g3 Qg7 20. Qf3 (20. Rxd6 $16 Rxd6 21. Nf5 $1 {[%mdl 576] Double Attack, Pin}) 20... Qg5 $11 21. Nf5 Be5 22. Ne3 Rxd1 23. Qxd1 f5 24. Qa4 Rg8 25. Qc2 f4 {[%cal Rf4g3]} 26. Ng2 $1 Qf6 27. Re4 ({White should try} 27. Qe4 $11 Bc7 28. gxf4) 27... Bc7 $1 $15 28. Qc1 {[%cal Rg2f4]} fxg3 (28... b5 $15 29. Bxb5 Bb7) 29. hxg3 $11 Rg5 30. Qd1 e5 31. Ne3 b6 32. Bd5 h5 33. Qa4 ({White should play} 33. Rh4) 33... Rg7 34. Kg2 (34. Rh4 $16) 34... Bd8 {[#]} (34... Bd7 $11 35. Qa6 Bc8) 35. Qe8 $1 $16 h4 {[#]} (35... Rh7 $16 {was worth a try.}) 36. Rxh4 $1 $18 {[%mdl 512]} Bd7 (36... Qxh4 37. Qxe5+) 37. Qh8 e4 (37... Qxh4 $142 38. Qxg7 {[%mdl 64] Double Attack} Qe7) 38. Rh6 Qe7 {[#]} 39. a4 $1 {[%mdl 512]} Kc7 {[#]} (39... Bxa4 40. Nf5) 40. a5 $1 {[%mdl 512]} bxa5 41. Bc4 {Threatening mate with Nd5+.} Bc6 $2 {[#]} (41... Kb8 42. Nd5 Qg5) 42. Nf5 $1 {[%mdl 576] Double Attack} e3+ {[#]} 43. Rxc6+ $1 {[%mdl 512] Accuracy: White = 65%, Black = 43%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.3"]
[White "Anton Guijarro, David"]
[Black "Grischuk, Alexander"]
[Result "1-0"]
[ECO "A23"]
[WhiteElo "2674"]
[BlackElo "2759"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,47,0,0,0,14,0,0,0,6,0,0,14,18,0,44,58,45,37,36,47,52,28,54,31,466,277,486,477,841,838,1416,1408,2194,2336,29988,29989,29987,5406,29985,29985]} 1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 c6 5. Nf3 e4 6. Nh4 {A23: English Opening: 1...e5 2 Nc3 Nf6 3 g3 c6} d5 7. cxd5 cxd5 8. d3 {[%cal Rd3e4] The position is equal.} Ng4 9. O-O g5 10. d4 $146 ({Predecessor:} 10. dxe4 gxh4 11. exd5 hxg3 12. hxg3 {0-1 (38) Khismatullin,D (2617)-Paravyan,D (2528) St Petersburg 2016}) 10... Be7 11. h3 Nxf2 12. Rxf2 {Strongly threatening Nf5.} (12. Kxf2 gxh4 13. Qb3 hxg3+ 14. Kg1 Nc6 $11) 12... gxh4 13. Qb3 $1 $36 {[%mdl 2048] And now g4 would win. White has the initiative.} hxg3 14. Rf4 Nc6 {...Be6 is the strong threat.} 15. Qxd5 f5 16. Bxe4 $1 fxe4 $2 {[%mdl 8192] [#]} (16... Qxd5 $14 17. Bxd5 Bd7) 17. Qh5+ $1 $18 ({And not} 17. Qf7+ Kd7 $11) 17... Kd7 18. Be3 ({Less strong is} 18. Rxe4 Qf8 $16) 18... Qg8 ({Don't play} 18... Kc7 19. Nd5+ Kb8 20. Nxe7) (18... Rf8 $142 19. d5 Nd4) 19. d5 Nd8 20. Nxe4 Qg6 21. Qe5 Nf7 {[#]} 22. Rxf7 $1 {[%mdl 512]} Qxf7 23. Rc1 (23. d6 $142 Ke8 24. dxe7 Qg6 25. Qxh8+ Kxe7 26. Rf1 Bf5 {[#]} 27. Qe5+ $1 {[%mdl 576] Double Attack} Qe6 28. Bg5+ Ke8 29. Qg7) 23... Rf8 24. Bg5 {Accuracy: White = 93%, Black = 41%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.4"]
[White "Maghsoodloo, Parham"]
[Black "Vitiugov, Nikita"]
[Result "1/2-1/2"]
[ECO "A20"]
[WhiteElo "2664"]
[BlackElo "2732"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,45,-2,2,-1,-2,-4,15,0,10,-27,5,-9,-11,-14,-12,-14,-3,-37,-18,-20,-22,-25,-17,-45,-27,-25,-32,-37,-11,-14,-28,-32,0,0,0,-10,0,-17]} 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. a3 d5 5. cxd5 Nxd5 6. e4 {A20: English Opening: 1...e5} Nf6 7. Be2 a5 8. Qc2 $146 ({Predecessor:} 8. O-O Bc5 9. Be3 Bb6 10. Nbd2 Bxe3 11. fxe3 {½-½ (56) Topalov,V (2740)-Nakamura,H (2761) Abidjan 2019}) 8... Be7 9. Nbd2 Be6 10. b3 Nd7 11. Bb2 Bc5 12. O-O O-O 13. Rfc1 Bg4 14. h3 Bxf3 15. Nxf3 Re8 16. g3 Qe7 17. Kg2 Bb6 18. Bc3 Nc5 19. Rab1 Na6 20. Qb2 {Black should prevent b4.} Nc5 (20... Bc5 $5 {[%cal Rc5a3]} 21. Ra1 f6 $11) 21. Qc2 {The position is equal.} Na6 22. Qb2 {next b4 is good for White.} Nc5 23. Qc2 {Accuracy: White = 59%, Black = 35%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.4"]
[White "Yilmaz, Mustafa"]
[Black "Kamsky, Gata"]
[Result "1/2-1/2"]
[ECO "D94"]
[WhiteElo "2595"]
[BlackElo "2685"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,60,40,41,20,31,73,64,54,0,28,50,46,39,47,0,0,0,21,25,43,69,45,15,15,9,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. e3 g6 6. Be2 Bg7 7. O-O O-O 8. a4 dxc4 9. Bxc4 Bg4 10. h3 Bxf3 11. Qxf3 Nbd7 {D94: Grünfeld: 4 Nf3 Bg7 5 e3} 12. Rd1 b5 13. Bf1 b4 $146 {White is slightly better.} ({Predecessor:} 13... Rc8 14. e4 b4 15. Nb1 a5 16. Nd2 e5 17. Nb3 exd4 18. Nxd4 Qe7 19. Ba6 {½-½ (50) Kazhgaleyev,M (2585)-Mrdja,M (2399) Cannes 2001}) 14. Na2 (14. Ne2 $14) 14... a5 15. Qxc6 e5 16. Bd2 Rc8 17. Qb7 exd4 $1 18. exd4 Nb6 19. Nc1 Rc2 20. Nb3 Nfd5 21. Be1 Rxb2 {The position is equal.} 22. Nxa5 Qa8 $1 {[%cal Ra8a5]} 23. Qxa8 Rxa8 24. Nc4 Nxc4 25. Bxc4 Nc3 26. Rd2 Rxd2 27. Bxd2 Bxd4 {[#] Hoping for ...Ne2+!} 28. Re1 Bf6 ({But not} 28... Rxa4 $6 29. Bh6 $16) 29. Bb3 Kg7 30. Kf1 Nxa4 {Accuracy: White = 72%, Black = 72%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.5"]
[White "So, Wesley"]
[Black "Alekseenko, Kirill"]
[Result "1/2-1/2"]
[ECO "E32"]
[WhiteElo "2767"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,89,14,0,12,7,29,27,20,12,17,6,12,6,37,0,27,12,14,14,31,28,21,17,30,23,31,30,30,23,32,19,30,18,21,20,30,21,41,49,40,45,47,39,57,57,57,57,57,57,57,45,57,35,57,57,57,57,57,57,57,57,57,0,57,57,57,57,57,57,57,57,57,57,57,57,57,0,57,0,57,0]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O 5. Nf3 d5 6. Bg5 c5 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} (6... h6 7. Bxf6 Qxf6 8. a3 Bxc3+ 9. Qxc3 dxc4 10. Qxc4 Nc6 11. Qc3 Re8 12. Ne5 Rb8 13. g3 Rd8 14. e3 Nxe5 15. dxe5 {0-1 (110) Topalov,V (2740)-Ding,L (2812) Shamkir 2019}) 7. dxc5 dxc4 8. e3 h6 $146 {White has an edge.} ({Predecessor:} 8... Qa5 9. Bxf6 gxf6 10. Bxc4 Nd7 11. c6 Ne5 12. Nxe5 Qxe5 13. O-O bxc6 14. Rfd1 Kh8 {1-0 (53) Chigladze,I (2389)-Sanikidze,T (2461) Tbilisi 2008}) 9. Bh4 Qa5 10. Bxf6 gxf6 11. Bxc4 Qxc5 12. Bb3 Nc6 13. O-O Bxc3 $1 14. Rac1 (14. bxc3 {seems wilder.} b6 15. Rad1 Ne5 16. Qe4 Ba6 17. Rfe1) 14... Bb4 {[#] ...Qxc2 is the strong threat.} 15. Qxc5 Bxc5 16. Rxc5 Bd7 17. Rfc1 Rfc8 18. Ba4 Kf8 19. Kf1 Ke7 20. Ke2 a6 21. a3 b5 22. Bd1 Na5 23. Nd2 Nb7 24. Rxc8 Rxc8 25. Rxc8 Bxc8 $14 {[%mdl 4096] Endgame KBN-KBN} 26. e4 Nd6 27. f4 e5 28. f5 Bb7 29. Bc2 a5 30. Bd3 Bc6 31. Ke3 Kf8 32. Nb3 Nb7 33. Nc1 Nd6 34. Na2 Ke7 35. Nc3 Kf8 36. Na2 Ke7 37. b4 a4 38. Nc3 Kf8 39. Kf2 Kg7 40. Kg3 Kf8 41. Kh4 Kg7 42. Kh5 Kh7 43. Kh4 Kg7 44. Kh5 Kh7 $1 45. Kh4 {Accuracy: White = 71%, Black = 58%.} (45. Kg4 $14) 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.5"]
[White "Paravyan, David"]
[Black "Ponomariov, Ruslan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2602"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,129,2,25,33,34,26,41,29,26,25,26,23,25,25,55,49,56,53,54,35,59,52,44,33,70,75,72,72,192,134,351,326,321,331,411,358,524,527,486,477,670,652,613,614,933,933,915,924,914,913,781,250,299,291,459,460,442,462,407,298,643,351,331,331,551,149,146,142,153,125,182,168,165,148,191,172,235,228,218,130,179,170,372,370,373,346,392,377,361,358,358,346,1164,1125,5314,5057,5445,5430,5404,5385,5385,5385,5273,5265,5214,5214,1420,1287,5214,5213,5206,5156,5189,1229,1227,1156,1156,890,1156,1153]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 (6... e5 {feels hotter.} 7. Nde2 Be6 8. O-O Be7 9. f4 O-O) 7. Nxc6 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} bxc6 8. b3 (8. O-O g6 9. Kh1 Bg7 10. f4 O-O 11. f5 Bb7 12. Qe1 Nd7 13. Bg5 Ne5 14. Rd1 a5 15. Be2 a4 16. Qh4 {1-0 (42) Nepomniachtchi,I (2732)-Duda,J (2697) Khanty-Mansiysk 2017}) 8... g6 9. Bb2 {White is slightly better.} Bg7 10. Qd2 $146 ({Predecessor:} 10. O-O O-O 11. Qe2 Qa5 12. Na4 Nh5 13. Bxg7 Nxg7 14. f4 Rb8 {1-0 (52) Shushpanova,N (2071)-Kozlovskaya,V (2193) Rowy 2000}) 10... O-O 11. O-O-O a5 12. Na4 d5 13. e5 Nd7 $1 14. Qe3 Qc7 {[%cal Rg7e5]} 15. f4 c5 $1 16. h4 d4 17. Qf3 Nb6 18. Nxb6 Qxb6 19. h5 ({Of course not} 19. Qxa8 Bb7 $11) 19... Rd8 (19... Ra7 $16 {was called for.}) 20. Rh2 ({Weaker is} 20. Qxa8 Bb7 $11) (20. hxg6 $1 $18 hxg6 21. Rh2 (21. Qxa8 Bb7 $11)) 20... Be6 $2 (20... Bb7 $16 21. Qg3 Ba6) 21. hxg6 $18 hxg6 22. Be4 Rac8 23. g4 c4 (23... Kf8 $142 24. f5 Bxe5) 24. Rdh1 Kf8 25. f5 Bxe5 (25... Ke8 $142 26. fxe6 Qxe6 27. bxc4 Bxe5) 26. fxe6 Qxe6 27. Rh6 {Threatens to win with Rxg6.} Bf6 28. Kb1 Qe5 29. g5 Qxg5 30. Qh3 {Intending Rh8+! and mate.} Qe5 {[#]} 31. bxc4 $2 (31. Rxg6 $1 {[%mdl 512]} cxb3 (31... fxg6 32. Bxg6) 32. axb3) 31... Rb8 {...Rxb2+! is the strong threat.} 32. Ka1 a4 (32... Rxb2 $142 33. Rh8+ Bxh8 34. Qxh8+ Qxh8 35. Rxh8+ Kg7 36. Rxd8 Rb4 37. Rxd4 Kf6) 33. Bd3 Bg7 34. Rh7 f5 {and the idea ...a3 leaves Black hopeful.} 35. c5 Kf7 $2 (35... Qxc5 36. Rxg7 Kxg7 37. Qh7+ Kf6) 36. Bc4+ e6 37. Qd3 Qxc5 $2 {[#]} (37... Rxb2 38. Kxb2 Qxc5 39. Bxe6+ Kf6) 38. Ba3 $2 (38. Bxe6+ $1 $18 {[%mdl 512] and White stays clearly on top.} Kf6 (38... Kxe6 39. Rxg7) 39. Bxf5 $1 {[%mdl 512]}) 38... Qe5 $16 {[#]} 39. Bc1 $1 {[%cal Rc1d2] aiming for Bd2.} Rb6 40. a3 Rh8 (40... Kg8 $16 41. Bb2 Qf6) 41. Rxh8 Bxh8 42. Bd2 $36 {[%mdl 2048] Keeping Black busy.} Bg7 43. Re1 Qh2 (43... Qc5 $142) 44. Bb4 $18 Bf6 {[#]} 45. Kb1 (45. Ka2 $1 $18) 45... Qg2 46. Re2 Qg4 $2 (46... Qb7 47. Ka2 Qc8) 47. Ka2 Be7 48. Ba5 Rc6 49. Bd2 {Played: Bc4-b5} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.6"]
[White "Anand, Viswanathan"]
[Black "Fedoseev, Vladimir"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2765"]
[BlackElo "2664"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,73,38,41,46,49,39,84,58,57,46,37,53,62,30,51,40,32,37,95,84,73,48,220,233,214,87,127,102,137,120,187,137,122,22,22,22,46,15,23,0,0,0,68,0,88,75,59,0,0,0,0,0,98,86,414,407,415,407,453,453,422,175,1122,1054,29989,1200]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 e6 6. Nc3 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (6. c4 Nf6 7. Bd3 Bb4+ 8. Bd2 Ne5 9. Bxb4 Qxb4+ 10. Nc3 Nxc4 11. a3 Nxa3 12. Rxa3 O-O 13. O-O d6 {½-½ (55) Karjakin,S (2783)-Nepomniachtchi,I (2751) chess.com INT 2017}) 6... Qc7 7. f4 $146 ({Predecessor:} 7. Bd3 Nf6 8. O-O Be7 9. f4 d6 10. Qf3 Nb4 {1-0 (23) Enjuto Velasco,R (2132)-Pugliese,G (1786) Chennai 2012}) 7... d6 8. Be3 {White is better.} Nf6 9. Bd3 Be7 10. Qf3 Nb4 11. O-O Bd7 12. a3 Nxd3 13. cxd3 Qc6 (13... O-O $14) 14. Rac1 $36 {[%mdl 2048] White is on the roll.} Qa6 15. g4 Bc6 $2 (15... O-O $14) 16. g5 $18 Nd7 17. d4 (17. Nd4 $1 $18 {is the precise move to win.}) 17... Bb5 18. Rf2 O-O 19. f5 Bd8 (19... exf5 $16 {was necessary.} 20. exf5 Bd8) 20. Nd2 Bd3 21. fxe6 (21. Qh3 $16 d5 22. f6 gxf6 23. gxf6) 21... fxe6 $11 22. Qg4 Rxf2 23. Kxf2 (23. Bxf2 $5 {[%cal Rg4e6]} Nf8 24. Kg2 $11) 23... Nf8 24. d5 e5 $1 25. h4 g6 (25... Bb6 $11) 26. h5 (26. Qh3 $14) 26... gxh5 (26... Bb6 $11 {keeps the balance.}) 27. Qxh5 $16 Bb6 28. Qh3 (28. Rh1 $1 $14 Bxe3+ 29. Kxe3) 28... Re8 $11 29. Nd1 Be2 30. Ke1 Bd4 (30... Bb5 $11) 31. Nf2 $16 {And now Bxd4 would win.} Re7 $2 {[%mdl 8192]} (31... Bxe3 $16 {is more resistant.} 32. Qxe3 Bh5) 32. Bxd4 $18 exd4 33. Rc8 Rf7 {[#]} 34. e5 $1 {[%mdl 512]} dxe5 {[#] intending ...Bb5.} 35. Nfe4 (35. d6 $142 $1 {[%cal Rd6d7][%mdl 512] d7 is the strong threat.} Qxd6 36. Kxe2) 35... h5 $2 (35... Qd3 36. Nf6+ (36. Qe6 $2 Qe3 $19) 36... Rxf6 37. Qxd3 Bxd3 38. gxf6 Kf7) 36. gxh6 {White threatens Qg2+ and mate.} Rf4 {[#]} 37. Qe6+ {Accuracy: White = 48%, Black = 29%.} (37. Rxf8+ $142 $1 {[%mdl 512]} Kxf8 (37... Rxf8 38. Qg3+) 38. h7 Bh5 39. h8=Q+ Ke7 40. Qg7+ Bf7 41. Qxe5+ {[%mdl 64] Double Attack} Be6 42. Qc7+ Ke8 43. Qh8+ {[%mdl 64] Double Attack} Bg8 44. Qxg8+ Rf8 45. Qcf7+ {[%mdl 64] Double Attack} Kd8 46. Qgxf8#) 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.6"]
[White "Van Foreest, Jorden"]
[Black "Sasikiran, Krishnan"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2621"]
[BlackElo "2675"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,88,27,10,20,22,47,45,50,14,20,22,20,20,41,13,28,30,40,10,6,26,13,-8,-8,-20,-15,-82,-75,-77,-78,-83,-83,-85,-32,-33,-28,-31,-30,-35,-43,-95,-46,-46,-34,-42,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 h6 8. Bh4 g5 9. Bg3 Bg7 10. h3 Ne5 11. Nf5 Bxf5 $1 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} 12. exf5 Nbd7 (12... Nbc6 13. Nd5 e6 14. fxe6 fxe6 15. Ne3 Qa5+ 16. c3 Nf3+ 17. gxf3 Bxc3+ 18. bxc3 Qxc3+ 19. Qd2 Qxa1+ {1-0 (32) Giri,A (2779)-Vachier Lagrave,M (2775) Paris 2019}) 13. Be2 Nf6 {White is slightly better.} 14. Bxe5 $146 ({Predecessor:} 14. O-O Qb6 15. Rb1 h5 {½-½ (15) Belmar Juaranz,C (2260)-Meissner,R (2206) GER email 2016}) 14... dxe5 15. Qxd8+ Rxd8 16. Bf3 Rd7 17. O-O Rc7 18. Rae1 h5 19. g3 g4 20. hxg4 hxg4 21. Bd1 Rh5 22. Rxe5 Nd7 $36 {[%mdl 2112] [#] Pin. Black is more active.} 23. Re4 (23. Rd5 $11 {remains equal.}) 23... Bxc3 $17 24. bxc3 Rxf5 25. Bxg4 {[#]} Rfc5 $1 26. Bxd7+ Rxd7 {[%mdl 4096] Endgame KRR-KRR} ({Better is} 26... Kxd7 $17 27. Rd1+ Ke8) 27. c4 $15 Ra5 {[%mdl 1024] Black has compensation.} 28. Ra1 Ra4 29. Rh4 {[%cal Rh4h8]} Rc7 30. Rh8+ Kd7 31. Rh7 f6 32. Re1 Kd6 33. c5+ {The position is equal.} Kxc5 34. Rhxe7 Rxe7 35. Rxe7 $11 {KR-KR} b5 36. Kf1 Rxa2 37. Ke1 Kd6 38. Rf7 Ke5 39. Kd2 Ra3 40. f4+ Ke6 41. Rg7 Kf5 42. c3 Ke4 43. Re7+ Kf3 44. Rf7 Kxg3 {Accuracy: White = 69%, Black = 63%.} (44... f5 $5) 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.7"]
[White "Bacrot, Etienne"]
[Black "Esipenko, Andrey"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2671"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,83,16,22,21,26,16,33,29,26,14,18,26,17,43,58,58,31,33,31,32,37,24,55,77,82,67,32,106,94,103,95,98,103,104,93,103,116,125,120,118,132,118,120,192,204,206,183,197,156,186,46,64,8,8,8,8,8,8,8,8,8,8,8,8,8,12,8,8,8,8,8,50,50]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 $146 ({Predecessor:} 4. O-O Nf6 5. d3 d6 {½-½ (33) Vachier Lagrave,M (2779)-Ding,L (2805) Zagreb 2019}) 4... Nf6 5. d3 d6 6. O-O O-O 7. Re1 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 8. Bg5 h6 9. Bh4 g5 10. Bg3 Nh7 11. d4 Bb6 12. dxe5 h5 13. h4 {[%cal Re5d6]} ({Much weaker is} 13. exd6 h4 $15) 13... Bg4 14. hxg5 Nxg5 {Hoping for ...Bxf3.} 15. exd6 {Threatens to win with Nbd2.} h4 16. Bh2 cxd6 {Black wants to play ...Bxf3.} 17. Nbd2 $36 {[%mdl 2048] White has some pressure.} Ne5 {...Bxf3 is the strong threat.} 18. Be2 $1 ({Reject} 18. Bxe5 $6 dxe5 19. Qc2 Qf6 $11) 18... Bxf3 19. Nxf3 Ng4 (19... Qf6 $14) 20. Nd4 $16 Nxh2 21. Kxh2 Qf6 22. Bd3 {aiming for Qg4.} Bxd4 23. cxd4 Qxf2 24. Qg4 f6 {[#]} 25. e5 $1 dxe5 26. dxe5 Rad8 27. Rad1 {Strongly threatening Qh5.} Rxd3 (27... Qg3+ $16 {was called for.} 28. Qxg3 hxg3+ 29. Kxg3 Kg7 30. exf6+ Kxf6) 28. Qc4+ $18 {[%mdl 64] Double Attack} Nf7 {( -> ...Rh3+!)} ({But not} 28... Kh8 29. Qxd3 fxe5 {[#]} 30. Rf1 $1 $18 {[%mdl 512]}) 29. Qxd3 {Black must now prevent Qg6+.} Nxe5 30. Qh3 Qxb2 31. Re4 (31. Qf5 $18 Qc3 32. Re4) 31... f5 $1 $14 {[%cal Rf5e4]} 32. Rxh4 (32. Rf4 $14 Ng4+ 33. Kg1) 32... Ng4+ $11 33. Rxg4+ $1 fxg4 34. Qxg4+ {[%mdl 4096] Endgame KQR-KQR} Qg7 35. Qc4+ Qf7 $1 {[%cal Rf7c4]} 36. Rd5 {Rg5+ would kill now.} Qf4+ 37. Qxf4 Rxf4 38. Rxa5 Rf2 39. Kg3 Rb2 40. Kf3 b5 41. g4 b4 42. Ke4 {Accuracy: White = 68%, Black = 76%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.8"]
[White "Karjakin, Sergey"]
[Black "Dreev, Aleksey"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2760"]
[BlackElo "2662"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,61,29,12,18,18,27,20,32,30,45,0,0,0,-9,-172,92,101,102,102,150,148,131,150,297,300,354,358,444,429,450,448,866,856,29986,940,1510,1458,2227,2232,1779,1728]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 Nxf6 {B45: Sicilian Four Knights} 13. Be3 Qd8 14. Nd6+ Bxd6 $1 {The position is equal.} 15. Qxd6 Bb7 16. g4 ({White should try} 16. Kd1 $14) 16... c5 $11 17. Rg1 Ne4 $146 ({Predecessor:} 17... Qb6 18. Bxc5 Qxb2+ 19. Ke3 Kd8 20. Bd4 Qxh2 21. Bxf6+ {½-½ (22) Bacrot,E (2696)-Chernov,V (2391) Karlsruhe 2017}) 18. Qe5 $2 {[#]} (18. Qd3 $1 $11 {and White is okay.}) 18... Qh4 $2 {[#]} (18... O-O $1 $19 {aiming for ...d6.} 19. Kd3 (19. Bg2 d6 $17) 19... Rf6) 19. Bg2 $1 $36 {[%cal Rg2e4][%mdl 2048] White has strong initiative.} Qxg4+ 20. Kd3 Nf2+ 21. Bxf2 Bxg2 22. Bxc5 Rc8 (22... Qf3+ $16 {was called for.} 23. Kd2 O-O-O 24. Bxa7 d6 25. Qxe6+ Rd7) 23. Rae1 $18 Kf7 24. Re2 Qf3+ 25. Be3 d6 26. Qd4 e5 (26... Qe4+ $142 27. Qxe4 Bxe4+ 28. Kxe4 Rxc4+ 29. Kd3 Rhc8) 27. Qxa7+ Ke6 28. Rgxg2 (28. Rexg2 $142 g5 29. Rxg5 Rhg8 30. Rxg8 Rxg8 31. Rxg8 Qh5 32. Rf8 exf4 33. Rxf4) 28... Rxc4 {White is clearly winning.} 29. Kxc4 {f5+ would kill now.} Rc8+ 30. Kb4 Qe4+ 31. Bd4 {Accuracy: White = 56%, Black = 22%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.8"]
[White "Safarli, Eltaj"]
[Black "Berkes, Ferenc"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2593"]
[BlackElo "2667"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,35,2,13,8,7,0,2,1,10,0,6,0,12,6,14,13,14,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. h3 g6 {The position is equal.} 7. Nf3 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack} Bf5 8. Be2 e6 $146 ({Predecessor:} 8... Bg7 9. O-O O-O 10. Bf4 Ne4 11. Nbd2 f6 12. Nxe4 Bxe4 13. Nd2 Bf5 14. Bg3 e5 15. dxe5 fxe5 {1-0 (54) Ding,L (2805)-Navara,D (2734) Prague 2019}) 9. O-O h5 10. Qb3 Rb8 11. Re1 Bd6 12. Bg5 Kf8 13. Nbd2 Kg7 14. c4 Be7 15. Bf4 Bd6 16. Bg5 Be7 17. Bf4 Bd6 18. Bg5 {Accuracy: White = 45%, Black = 66%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.9"]
[White "Wojtaszek, Radoslaw"]
[Black "Kovalev, Vladislav"]
[Result "0-1"]
[ECO "A19"]
[WhiteElo "2748"]
[BlackElo "2661"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,112,0,0,19,11,14,27,27,16,25,7,23,37,32,8,15,13,50,0,0,0,8,0,49,31,80,59,82,80,114,31,31,31,31,31,29,27,31,30,27,3,10,-20,-10,-27,-29,-93,-93,-77,-63,-54,-76,-64,-86,-79,-77,-91,-64,-92,-72,-223,-215,-208,-209,-267,-269,-260,-260,-245,-194,-252,-182,-187,-190,-189,-186,-189,-184,-148,-101,-372,-370,-576,-588,-588,-434,-29953,-29954,-29966,-29968,-29968,-29964,-29941,-11582]} 1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Ne7 {A19: English Opening: Flohr-Mikenas System with 3...c5} 12. Bb6 Nf5 13. Qb4 Nc6 {White has an edge.} 14. Qc5 Qe7 15. Qxe7+ {[#]} (15. O-O-O d6 16. Qa3 O-O 17. g4 Nh6 18. Rg1 Nf7 19. f4 {1-0 (40) Ding,L (2811)-Radjabov,T (2758) Khanty-Mansiysk 2019}) 15... Ncxe7 $146 (15... Nfxe7 {keeps more tension.} 16. c5 Nb4 17. Rc1 Nbd5 18. Ne4 Nf5) ({Predecessor:} 15... Nfxe7 16. c5 Nb4 17. Rc1 Ned5 18. Nxd5 Nxd5 19. Bc4 Nxb6 20. cxb6 {0-1 (53) Svane,R (2583)-Buhmann,R (2580) Dresden 2017}) 16. O-O-O d5 17. Be2 {[%mdl 1024] White has compensation.} Kf7 18. b3 d4 19. Ne4 {next g4 is good for White.} e5 20. g4 Nh4 21. f4 $1 exf4 22. Nd6+ Kf8 23. Rxd4 f3 24. Bd1 $1 h5 25. h3 (25. gxh5 $16 Rxh5 26. Re1) 25... Nc6 $1 $14 {[%cal Rc6d4]} 26. Re4 {[%csl Gd6][%cal Re4e8]} Bd7 27. gxh5 Rxh5 {Threatening ...Ne5.} 28. Bf2 $1 Nf5 29. Nxb7 Ne5 30. Nc5 Bc6 31. Rf4 (31. Rxe5 $5 fxe5 32. Nd7+ $1 {[%mdl 512]} Kg8 33. Nxe5 $11 {[%mdl 64] Double Attack}) 31... Kf7 32. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Ne7 33. Bb3 (33. Rd4 $11 {keeps the balance.}) 33... g5 $17 34. Rd4 {[#]} g4 $1 {[%mdl 512]} 35. b5 (35. hxg4 Rxh1+) 35... Nf5 36. Rd2 g3 $1 {[%cal Rg3f2]} 37. bxc6 gxf2 38. Rxf2 Rc8 $36 {[%mdl 2048] Black has good play.} 39. Rd1 Rxc6 40. Nd7 $2 (40. Nd3 $17 {was the only defense.}) 40... Rxh3 $19 {White must now prevent ...Ng4.} 41. c5+ {[#]} Ke7 $1 42. Nxe5 fxe5 43. Rd5 Kf6 {Strongly threatening ...e4.} 44. Ba4 Re6 {Played: Rc6-c7} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.9"]
[White "Ganguly, Surya Shekhar"]
[Black "Nihal Sarin"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "2658"]
[BlackElo "2610"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,67,23,23,23,23,29,30,31,21,31,33,26,10,19,4,12,0,10,0,-7,-2,0,-2,0,0,0,0,0,-4,-6,-22,-8,-8,-8,-8,-10,-22,-13,-24,-26,-20,-28,-27,-6,-8,-11,-6,-6,-11,-8,-8,-8,-10,-10,-11]} 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 5. O-O O-O 6. c4 dxc4 7. Na3 c5 8. dxc5 c3 {D77: Fianchetto Grünfeld: 6 0-0: Replies other than 6...c6} 9. Nb5 Na6 10. Nxc3 Nxc5 {White has an edge.} 11. Be3 {[#] Black must now prevent Qxd8.} Nfe4 12. Nxe4 Nxe4 13. Nd4 $146 ({Predecessor:} 13. Bd4 Bxd4 14. Qxd4 Qxd4 15. Nxd4 Nd6 16. Rfc1 Rd8 17. f4 Bg4 18. h3 Bd7 19. Kf2 Rac8 20. b3 b6 {½-½ (20) Rapport,R (2747)-Ding,L (2805) Saint Louis 2019}) 13... Nd6 14. Qb3 Qa5 15. Rfd1 Bd7 {Threatening ...Ba4.} 16. Qd5 Qxd5 17. Bxd5 Rac8 18. Rac1 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Bxc8 21. Kf1 e6 22. Bb3 Kf8 23. Nf3 b6 24. Bf4 Ke7 25. Ne5 Bb7 26. f3 Nf5 {And now ...g5! would win.} 27. g4 Nd4 28. Bd1 Nc6 29. Bg5+ {The position is equal.} f6 30. Nxc6+ Bxc6 31. Bh4 Kd7 32. e4 f5 33. exf5 exf5 34. gxf5 {Accuracy: White = 70%, Black = 73%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.10"]
[White "Nakamura, Hikaru"]
[Black "Melkumyan, Hrant"]
[Result "1-0"]
[ECO "C90"]
[WhiteElo "2745"]
[BlackElo "2650"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,85,3,6,14,32,20,20,22,14,14,16,14,15,22,18,10,15,16,18,9,27,22,44,36,37,38,56,62,60,50,59,56,68,55,81,81,81,81,82,74,125,124,128,131,162,161,156,152,333,331,331,327,304,268,291,330,339,266,359,358,679,676,676,665,29981,29983,29982,29983]} 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. a5 d6 10. c3 Rb8 11. d3 {C90: Closed Ruy Lopez with 7...d6: Early deviations} (11. Bc4 Bg4 12. h3 Bh5 13. Qa4 Na7 14. g4 Bg6 15. d3 Nb5 16. Bg5 h5 17. Bxf6 Bxf6 18. Kg2 bxc3 19. Nxc3 {½-½ (58) Caruana,F (2819)-Ding,L (2805) Zagreb 2019}) 11... bxc3 12. bxc3 Be6 13. Bxe6 {The position is equal.} fxe6 14. Nbd2 Rb5 15. d4 exd4 16. cxd4 Nxa5 17. Qc2 $146 ({Predecessor:} 17. d5 e5 18. Qc2 {1-0 (60) Smith,A (2499)-Hammer,J (2689) Drancy 2016}) 17... Qd7 18. Ra4 Rfb8 19. Ba3 Ne8 20. Qa2 Nb3 21. Rxa6 Nxd2 22. Nxd2 R5b6 23. Ra7 R6b7 24. Rxb7 Rxb7 25. e5 Ra7 {[#] Hoping for ...d5.} 26. Qb3 dxe5 27. Bxe7 Qxe7 28. dxe5 Ra5 29. Nf3 Rd5 ({Black should try} 29... h6) 30. Ra1 Qd7 31. h4 h6 32. Ra8 Qc6 33. Rb8 Qc1+ $2 (33... Qd7 $16 {might work better.} 34. Kh2 Kf7) 34. Kh2 $18 Qf4+ 35. g3 Qf7 36. Kg2 Qd7 37. h5 Qc6 38. Kh2 Qd7 39. Qb4 Kf7 $2 (39... Qf7 40. Kg2 Rd7) 40. Qf4+ Kg8 41. Nh4 g5 42. hxg6 {[%mdl 64] Discovered Attack} Kg7 {[#]} 43. Rd8 $1 {[%mdl 512] Accuracy: White = 92%, Black = 32%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.10"]
[White "Hess, Robert"]
[Black "Nabaty, Tamir"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "2581"]
[BlackElo "2658"]
[Annotator "RC"]
[PlyCount "58"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} d5 {[%emt 0:00:00]} 3. e3 {[%emt 0:00:10]} Nf6 {[%emt 0:00:15]} 4. b3 {[%emt 0:00:26]} Bd6 {[%emt 0:01:05]} 5. Bb2 {[%emt 0:00:45]} O-O {[%emt 0:01:36]} 6. Nc3 {[%emt 0:01:11]} Nbd7 {[%emt 0:03:03]} 7. d4 {[%emt 0:00:41]} c6 {[%emt 0:01:33]} 8. Qc2 {[%emt 0:05:11]} Qe7 {[%emt 0:02:25]} 9. O-O-O {[%emt 0:21:34]} dxc4 {[%emt 0:09:03]} 10. Bxc4 {[%emt 0:04:04]} b5 {[%emt 0:00:23]} 11. Bd3 {[%emt 0:02:16]} a5 {[%emt 0:05:21]} 12. g4 {[%emt 0:12:55]} g6 {[%emt 0:13:36]} 13. g5 {[%emt 0:05:03]} Nd5 {[%emt 0:00:37]} 14. Nxd5 {[%emt 0:00:07]} cxd5 {[%emt 0:00:54]} 15. Bxb5 {[%emt 0:05:26]} Ba6 {[%emt 0:07:26]} 16. Bxa6 {[%emt 0:01:26]} Rxa6 {[%emt 0:00:08]} 17. Rd3 {[%emt 0:16:01]} a4 {[%emt 0:02:11]} 18. Kb1 {[%emt 0:06:57]} axb3 {[%emt 0:03:08]} 19. axb3 {[%emt 0:04:01]} Rfa8 {[%emt 0:01:24]} 20. Rc3 {[%emt 0:04:13]} Nb6 {[%emt 0:00:46]} 21. Rc1 {[%emt 0:13:56]} Qa7 {[%emt 0:05:56]} 22. Qd3 {[%emt 0:02:05]} Ra2 {[%emt 0:00:24]} 23. Rc5 {[%emt 0:01:07]} Bxc5 {[%emt 0:02:53]} 24. dxc5 {[%emt 0:00:09]} Nc4 {[%emt 0:00:21]} 25. bxc4 {[%emt 0:01:36]} Rxb2+ {[%emt 0:03:49]} 26. Kxb2 {[%emt 0:00:05]} Qa2+ {[%emt 0:00:04]} 27. Kc3 {[%emt 0:00:05]} d4+ {[%emt 0:00:17]} 28. Kxd4 {[%emt 0:00:18]} Rd8+ {[%emt 0:00:07]} 29. Ke4 {[%emt 0:00:26]} Qa8+ {[%emt 0:00:06]} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.11"]
[White "Gelfand, Boris"]
[Black "Zhang, Zhong"]
[Result "1-0"]
[ECO "D21"]
[WhiteElo "2686"]
[BlackElo "2636"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,63,13,16,12,12,12,12,19,12,14,36,32,23,27,35,18,33,29,35,33,34,32,31,20,30,29,47,52,41,44,51,30,45,10,59,32,40,41,58,58,189,200,220,91,83,76,114,106,110,111,101,105,166,133,366,367]} 1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. Qa4+ Nc6 (4... Nd7 5. Qxc4 Ngf6 6. Bg5 a6 7. e4 h6 8. Bh4 b5 9. Qc6 Rb8 10. Bxf6 gxf6 11. Nbd2 Bb7 12. Qc2 c5 13. d5 c4 14. Be2 {1-0 (40) Yuffa,D (2563)-Lysyj,I (2631) Cheliabinsk 2018}) 5. Qxc4 Nf6 6. Bg5 {D21: Queen's Gambit Accepted: 3 Nf3 sidelines} h6 7. Bxf6 Qxf6 8. Nc3 {The position is equal.} Bd6 9. e3 $146 ({Predecessor:} 9. g3 O-O 10. Bg2 Bd7 11. O-O a6 12. Rac1 Qe7 13. Rfd1 {0-1 (33) Kveinys,A (2518)-Sveshnikov,V (2398) Parnu 2016}) 9... a6 10. Be2 O-O 11. O-O Bd7 12. Rfd1 Qe7 13. Ne4 Rfc8 14. Rac1 e5 15. d5 Nd8 16. Qc2 f5 17. Nc5 e4 18. Nd4 Qe5 19. g3 Be8 20. Nde6 Rab8 21. Qc3 Nf7 22. Bh5 Qxc3 23. Rxc3 Be5 24. Rc2 b6 ({Black should try} 24... Ng5 $14 25. Bxe8 Rxe8) 25. Nxa6 $18 Ra8 26. Nb4 (26. Naxc7 $18 {and the rest is easy. Rdc1 is the strong threat.} Rxa2 27. d6) 26... Bd6 $16 {[#]} 27. Nc6 $1 Rxa2 28. Bg6 Bxc6 29. dxc6 Ra5 30. Nd4 Rd5 (30... Rd8 $16 {is a better defense.}) 31. Rcc1 Rxd4 $2 {[#]} (31... Rd8 $16) 32. Rxd4 {Accuracy: White = 49%, Black = 32%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.11"]
[White "Oparin, Grigoriy"]
[Black "Jobava, Baadur"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "2654"]
[BlackElo "2617"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,95,17,33,37,37,41,39,41,48,41,82,62,58,54,87,64,112,113,194,190,197,194,183,185,182,178,175,181,197,139,156,100,98,104,107,91,168,162,137,116,141,134,115,111,182,217,170,160,164,86,86,66,82,75,135,135,135,135,129,125,125,128,127,127,175,137,180,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 4. d4 Bb4 5. Bd3 Ne7 6. O-O {B00: Queen's Fianchetto Defence, Nimzowitsch Defence} Bxc3 7. bxc3 d6 8. Re1 {White is slightly better.} Nd7 9. a4 {[%cal Ba2a4,Ba4a5,Ba5a6][%mdl 32]} h6 $146 ({Predecessor:} 9... a5 10. e5 Bxf3 11. Qxf3 dxe5 12. dxe5 Ng6 13. Ba3 {1-0 (29) Sergejev,R (2349)-Psakhis,L (2598) ICC INT 2001}) 10. e5 O-O 11. Ba3 $36 {[%mdl 2048] White is pushing.} d5 12. a5 Re8 13. Nh4 Nc6 (13... c5 $16 {was worth a try.}) 14. Qg4 $1 $18 Qg5 {[#]} 15. Qh3 $1 h5 16. a6 Bc8 17. Be2 Qh6 18. Bc1 Qh8 19. Bd3 ({White should play} 19. Bb5 $18 Ne7 20. Qe3) 19... Ne7 20. Re3 (20. c4 $142) 20... Nf8 $16 21. Rg3 c5 22. Bg5 Nf5 (22... c4 $16 {keeps fighting.}) 23. Nxf5 $18 exf5 24. Bxf5 cxd4 25. cxd4 Bxf5 26. Qxf5 Rac8 (26... Qh7 $16 {is a better defense.} 27. Qf3 Qxc2) 27. c3 Qh7 28. Qf3 Ne6 29. Bd2 ({And not} 29. Qxd5 h4 $11) (29. h3 $18) 29... Qc2 $16 30. Rd1 (30. Qd1 {feels hotter.} Qxd1+ 31. Rxd1 g6 32. f4 Ng7 33. Rf3) 30... g6 31. Qxh5 {Strongly threatening Qe2.} Rxc3 (31... b5 $142) 32. Rxc3 Qxc3 33. Qxg6+ $1 ({Don't take} 33. Bxc3 $6 gxh5 34. h3 Rc8 $14) 33... fxg6 34. Bxc3 {[%mdl 4096] Endgame KRB-KRN} Rc8 {[#]} 35. Bd2 $1 Rc4 36. Be3 b5 37. f4 b4 38. Rd3 $2 (38. Kf2 $18) 38... Nc7 $1 $11 {The position is equal.} 39. g4 Nxa6 40. f5 {And now e6 would win.} Nc7 $1 {Threatening ...a5.} 41. e6 {Bf4 is the strong threat.} a5 $1 {[%cal Ra5a4] next ...a4 is good for Black.} 42. Bf4 {aiming for Rh3.} a4 43. Rh3 {White threatens Be5 and mate.} Rc6 $1 44. Rh6 gxf5 45. gxf5 a3 46. Rg6+ Kh7 47. Rh6+ Kg8 48. Rg6+ {Accuracy: White = 76%, Black = 67%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.12"]
[White "Hovhannisyan, Robert"]
[Black "McShane, Luke J"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2639"]
[BlackElo "2682"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,121,10,7,11,6,6,6,12,7,7,20,10,8,7,12,9,15,13,18,3,22,0,25,22,19,13,14,0,0,0,0,0,0,0,0,0,0,0,16,16,15,15,19,7,29,29,33,8,8,8,8,8,8,8,8,8,27,27,27,19,19,19,27,27,27,27,27,0,27,27,58,58,58,27,27,27,27,27,27,0,27,0,27,27,27,27,27,27,27,27,27,27,27,4,27,27,27,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 cxd5 9. O-O O-O 10. Bg5 c6 11. Qf3 Rb8 12. h3 Bd6 13. b3 {C47: Scotch Four Knights and Four Knights with 4 g3} Be5 14. Bf4 Bxc3 15. Bxb8 Bxa1 16. Rxa1 Bg4 $1 {[%cal Rg4f3]} 17. hxg4 Qxb8 18. Re1 h6 (18... Re8 19. Rxe8+ Qxe8 20. Qf4 h6 {½-½ (34) Radjabov,T (2759)-Karjakin,S (2748) Moscow 2019}) 19. g3 Qb4 20. Re2 $146 ({Predecessor:} 20. c3 Qc5 {½-½ (20) Lukas,N (1936)-Langer,R (2069) GER email 2014}) 20... a5 ({Avoid the trap} 20... Nxg4 $2 {[#]} 21. c3 $1 $18 {[%mdl 512]}) 21. Qf5 Qa3 22. f4 Qxa2 23. g5 hxg5 24. fxg5 Ne4 25. Bxe4 {[%csl Ge4][%cal Rf5h7] [#]} g6 26. Qf6 {Intending Rh2 and mate.} dxe4 $11 {[%mdl 4096] Endgame KQR-KQR} 27. Qc3 Qa3 28. Rh2 {[%csl Gc3][%cal Rh2h8]} f6 {Strongly threatening ...Qc1+.} 29. gxf6 {Threatens to win with f7+!} Qd6 30. Rf2 e3 31. Qxe3 Rxf6 32. Rd2 Qe6 33. Re2 (33. Rd8+ {is interesting.} Kg7 34. Qxe6 Rxe6 35. Kf2 Re5 36. Rd7+) 33... Qxe3+ (33... Qg4 {is more complex.} 34. Qe8+ Kg7 35. Qe7+ Rf7 36. Qe5+ Rf6) 34. Rxe3 {KR-KR} Kf7 35. Rc3 Ke7 36. Rc5 Kd6 37. Rxa5 Rf3 38. Rg5 Rc3 39. Rxg6+ Ke5 40. Kg2 Kf5 41. Rd6 {aiming for Rd2.} (41. Rh6 {keeps more tension.} Rxc2+ 42. Kh3 Rc1 43. g4+ Kg5 44. Rh5+) 41... Rxc2+ 42. Kh3 c5 43. Rb6 c4 44. Rb5+ Kf6 45. Rb6+ Kg7 46. b4 Rb2 47. Kg4 c3 48. Kg5 c2 49. Rb7+ Kg8 50. Kg6 {[%cal Rb7b8]} Kf8 51. Kf6 {[%cal Rb7b8]} Kg8 (51... Ke8 $5 52. Rc7 $8 Kd8 $11) 52. Kg6 {[%cal Rb7b8]} Kf8 53. Rc7 Rxb4 54. Rxc2 Rg4+ 55. Kf6 {[%cal Rc2c8]} Kg8 56. Rc3 Kh7 57. Kf5 Rg6 58. Re3 Kh6 59. g4 Rg5+ 60. Kf6 {White threatens Rh3+ and mate.} Rg6+ 61. Kf5 {Accuracy: White = 61%, Black = 72%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.12"]
[White "Gonzalez Vidal, Yuri"]
[Black "Sevian, Samuel"]
[Result "0-1"]
[ECO "C06"]
[WhiteElo "2552"]
[BlackElo "2654"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,70,32,16,28,0,0,-8,-10,-10,-16,-12,-10,-58,-54,-106,-54,-66,-59,-47,-53,-61,-56,-55,-68,-123,-133,-133,-112,-121,-144,-129,-81,-77,-60,-55,-31,-20,-16,-49,-54,-68,-70,-103,-106,-225,-223,-229,-259,-263,-245,-833,-836,-816,-800,-2928,-1440]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Ngf3 Nf6 5. e5 Nfd7 6. Bd3 c5 7. c3 Nc6 8. O-O g5 9. dxc5 Ndxe5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines} 10. Bb5 {[#] Black must now prevent Nxe5.} (10. Bc2 Ng6 11. b4 O-O 12. Re1 f5 13. Nb3 g4 14. b5 gxf3 15. bxc6 bxc6 16. Qxf3 e5 17. Bh6 {1-0 (51) Mista,A (2595)-Bartel,M (2604) Warsaw 2018}) 10... Ng6 11. c4 O-O {The position is equal.} 12. cxd5 Qxd5 {With the idea ...g4.} 13. Nb3 g4 14. Nfd2 Nce5 15. Re1 $146 ({White should play} 15. Nb1 $15) ({Predecessor:} 15. Qe2 f5 16. Nc4 Nh4 17. Ne3 {½-½ (42) Smetankin,S (2385)-Williams,S (2421) Yerevan 1999}) 15... a6 ({Black should try} 15... Rd8 $17 16. Qc2 b6) 16. Bf1 a5 17. a4 Rd8 18. Qc2 b6 {Played: Ne5-d3} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.13"]
[White "Motylev, Alexander"]
[Black "Saduakassova, Dinara"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2651"]
[BlackElo "2481"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,100,10,26,0,0,0,0,0,9,2,16,15,11,8,12,16,14,17,4,11,44,32,31,13,46,-20,41,54,48,40,37,47,38,0,37,33,35,8,35,21,37,33,37,37,37,16,92,93,85,83,89,0,0,0,0,0,32,0,0,0,0,0,4,0,0,0,14,-20,-24,-43,-15,-147,-103,-104,-107,-107,-106,-104,-113,-139,-131,-139,-127,-144,-144,-143,-99,-113,-73,-78,-58,-58,-66]} 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 h6 5. a3 Bc5 6. h3 {C28: Vienna Game: 2...Nf6 3 Bc4 Nc6} (6. Be3 Bxe3 7. fxe3 d6 8. Qf3 Be6 9. Nge2 Bxc4 10. dxc4 Qd7 11. Rf1 Ne7 12. O-O-O Qe6 13. b3 {1-0 (33) Fedorchuk,S (2637)-Heimann,A (2550) Germany 2016}) 6... a6 7. Nge2 d6 8. Ng3 {The position is equal.} Nd4 9. O-O Be6 (9... c6 {keeps more tension.} 10. Ba2 O-O 11. Be3 Re8 12. Nce2 d5) 10. Nd5 $146 ({Predecessor:} 10. Bxe6 fxe6 11. Nce2 Qd7 {1-0 (51) Grbesa,J-Zelenika,I Kastela 2005}) 10... Nxd5 11. exd5 Bd7 12. c3 Nf5 13. Nxf5 Bxf5 14. d4 Bb6 15. Re1 Qh4 16. Qf3 Bg6 17. Bf4 (17. Bb3 $14) 17... e4 (17... f6 $11) 18. Rxe4+ $14 Bxe4 19. Qxe4+ Qe7 20. Qf5 {[%mdl 1024] White has compensation.} g6 21. Qg4 (21. Qd3 {seems wilder.} Kf8 22. a4 a5 23. Bb5 Kg7 24. g3) 21... h5 22. Qg3 O-O-O 23. Bg5 f6 24. Bd2 Qe4 25. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Qc2 26. Qd3 Qxd3 $1 27. Bxd3 f5 (27... Rhg8 $11 {remains equal.}) 28. a5 Ba7 29. b4 Kd7 30. b5 ({White should play} 30. h4 $16) 30... axb5 $11 31. Bxb5+ c6 $1 {[%cal Rc6b5]} 32. Bc4 c5 33. a6 Kc7 34. axb7 Kxb7 35. Bb5 {Threatens to win with Bc6+.} Bb6 36. Bc6+ Kc7 37. Re1 {Strongly threatening Re7+.} Rh7 38. Re6 cxd4 39. Rxg6 Ba5 40. Rg3 (40. Bg5 $11 {keeps the balance.}) 40... h4 41. Rd3 dxc3 42. Bxc3 Bxc3 43. Rxc3 $17 {[%mdl 4096] Endgame KRR-KRB} Kb6 44. Rf3 Rg8 45. Rxf5 Rhg7 46. Rf4 Rxg2+ 47. Kf1 Rg1+ 48. Ke2 Rh8 49. Bd7 Kc5 50. Be6 $1 Rb1 {Accuracy: White = 59%, Black = 51%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.13"]
[White "Adhiban, B.."]
[Black "Robson, Ray"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "2639"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "101"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,101,12,32,18,25,22,31,23,20,13,3,16,12,5,14,10,16,14,18,16,16,24,33,43,34,27,47,19,42,0,0,0,0,0,14,0,31,39,35,26,46,0,8,-29,-23,-48,-52,-47,0,0,0,0,0,0,0,0,0,0,35,34,42,43,43,37,42,42,55,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 g6 8. Ne5 {D43: Semi-Slav: 5 Bg5 h6} Bg7 9. f4 O-O (9... Nd7 10. h4 Qe7 11. Qc2 O-O 12. O-O-O Nxe5 13. fxe5 Bd7 14. g4 f6 15. Qxg6 fxe5 {½-½ (29) Mamedyarov,S (2764)-Giri,A (2779) Saint Louis 2019}) 10. h4 {White is slightly better.} c5 11. Qd2 $146 ({Predecessor:} 11. Qf3 Nc6 12. O-O-O Rd8 13. cxd5 exd5 14. g4 cxd4 15. exd4 Nxe5 16. dxe5 {1-0 (39) Zordick,M (1984)-Malek,M (2169) ICCF email 2016}) 11... Nc6 12. O-O-O Rd8 13. g4 cxd4 14. exd4 dxc4 15. Qe3 Qe7 16. Bxc4 Bd7 17. Kb1 Nxe5 18. fxe5 Bc6 {Hoping for ...Qb4.} 19. Rh2 Qb4 20. Bb3 Rd7 21. h5 {And now g5 would win.} g5 22. Bc2 Rad8 {[%cal Rd7d4]} 23. Rhd2 Qc4 24. Ka1 b5 25. Kb1 Kf8 26. Bb3 Qb4 27. Ne2 Qa5 28. Rc2 Qb6 29. Rdc1 Bb7 30. Rc5 a5 31. Bc2 b4 32. Be4 $36 {[%mdl 2048] White is pushing.} Ba6 {White should prevent ...Bxe2.} 33. Bd3 Bxd3+ 34. Qxd3 Qb7 $1 35. Rf1 Rd5 36. Qf3 Qa7 37. Rxd5 Rxd5 38. Rc1 Qd7 39. Rc4 Kg8 40. b3 (40. Qe4 $14) 40... Bf8 $11 {The position is equal.} 41. Qh1 Qa7 42. Qc1 Rd7 43. Rc8 {aiming for Qc5.} Rxd4 $1 44. Rc7 Qb6 45. Nxd4 Qxd4 {[%mdl 4160] [#] Endgame Double Attack. KQR-KQB} 46. Qf1 Qe4+ 47. Kc1 Qe3+ 48. Kc2 Qe4+ 49. Kc1 Qe3+ 50. Kb1 Qe4+ {[%mdl 64] [#] Double Attack} 51. Kc1 {Accuracy: White = 60%, Black = 82%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.14"]
[White "Tari, Aryan"]
[Black "Kryvoruchko, Yuriy"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2630"]
[BlackElo "2669"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,81,21,13,15,12,18,26,22,21,12,16,11,6,14,-5,-12,-10,24,24,21,21,21,21,19,18,25,20,105,13,20,15,34,0,16,0,0,0,6,3,0,3,0,5,10,2,27,20,24,13,13,14,94,34,31,42,29,3,39,8,6,0,14,0,0,0,8,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O h6 7. Re1 O-O 8. h3 a5 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. Nbd2 Be6 10. Bb5 Nd7 $146 {White has an edge.} ({Predecessor:} 10... Qb8 11. Nf1 Qa7 12. d4 exd4 13. Bxc6 dxc3 14. Ba4 Bxf2+ 15. Kh2 Bxe1 16. Qxe1 {½-½ (60) Alekseenko,K (2671)-Ding,L (2811) Khanty-Mansiysk 2019}) 11. Nf1 f5 12. exf5 Bxf5 ({Don't go for} 12... Rxf5 $2 13. d4 $18) 13. Ng3 Bg6 14. Be3 (14. a3 {looks sharper.} Bb6 15. d4 Kh8 16. Be3 e4 17. Nd2) 14... Bxe3 15. Rxe3 Nf6 16. d4 e4 17. Nd2 {[%cal Rg3e4]} d5 18. f3 exf3 19. Nxf3 Qd6 20. Qe1 Ne4 {[#]} (20... Rae8 $11 {remains equal.} 21. Ne5 Bh7) 21. Nxe4 (21. Nh4 $1 $16) 21... Bxe4 $11 22. Nd2 Bf5 23. a4 Bd7 24. Qh4 Rae8 25. Rae1 Rxe3 26. Rxe3 Re8 27. Nf1 Rxe3 28. Nxe3 Be6 29. Bxc6 Qxc6 30. Qe7 Kh7 31. Kh2 Bd7 32. Qe5 Qxa4 (32... Qe6 $11) 33. Nxd5 ({White should try} 33. Nf5 $16 Bxf5 34. Qxf5+ Kh8 35. Qxd5) 33... Qb5 $14 34. Qe4+ Kh8 35. Ne7 Qg5 36. Ng6+ Kg8 {The position is equal.} 37. Ne5 Bc8 38. Ng6 {[#] aiming for Qe8+.} Kf7 39. Ne5+ Kg8 40. Ng6 {Threatens to win with Qe8+.} Kf7 41. Ne5+ {Accuracy: White = 48%, Black = 65%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.14"]
[White "Baron, Tal"]
[Black "Riazantsev, Alexander"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "2531"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,83,34,31,28,7,20,11,20,26,20,17,26,0,0,0,0,-19,-21,0,-20,-43,-8,0,-13,-29,-29,-25,-14,-3,0,0,0,0,0,0,0,0,0,0,44,35,101,88,102,55,90,98,85,0,5,12,12,7,9,10,93,104,160,158,168,160,208,191,226,214,726,681,1831,1587,29989,29990]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3 Be6 8. Nc4 Rb8 {B32: Sicilian: Löwenthal and Kalashnikov Variations} (8... b5 9. Ne3 Nf6 10. g3 g6 11. Bg2 Bh6 12. O-O O-O 13. Bd2 Rc8 14. Ncd5 Bxd5 15. exd5 Ne7 16. a4 Qb6 17. axb5 axb5 {½-½ (57) Vocaturo,D (2607)-Radjabov,T (2741) Heraklio 2017}) 9. Bd3 g6 $146 ({Predecessor:} 9... Nf6 10. O-O Be7 11. Re1 O-O 12. Ne3 Qd7 13. Ncd5 Bd8 14. c3 Bxd5 15. exd5 Ne7 16. Qf3 {1-0 (44) Szelag,M (2483)-Kalinitschew,S (2469) Germany 2012}) 10. O-O Bg7 {The position is equal.} 11. Nd5 Bxd5 12. exd5 Nce7 13. Ne3 f5 14. c4 Nf6 15. f4 O-O 16. Kh1 Nd7 17. Rb1 Kh8 18. b3 Ng8 19. Bb2 Ngf6 20. fxe5 Nxe5 21. Nc2 Nfg4 22. Be2 $1 Qh4 {[%csl Gg4][%cal Rh4h2]} 23. Bxg4 $1 Nxg4 {[%csl Gg4][%cal Rh4h2]} 24. Bxg7+ Kxg7 {[%csl Gg4][%cal Rh4h2]} 25. Qd4+ Kg8 {[%csl Gg4][%cal Rh4h2]} 26. h3 {aiming for Kg1.} f4 27. Rbe1 Nh6 ({Black should try} 27... Ne5 $14) 28. Kg1 $1 $16 b5 29. cxb5 Rxb5 30. Qe4 Qf6 31. g4 (31. Nd4 $16 Rb4 32. Qe6+ Qxe6 33. Nxe6) 31... Qc3 32. Rf3 Qc5+ 33. Nd4 Rb4 34. Rd1 $36 {[%mdl 2048] Strongly threatening Kh1. White is pushing.} g5 (34... Nf7 $1 $11 35. Qxf4 (35. Rxf4 Ng5 $11) 35... Qxd5) 35. a3 Rb5 ({Better is} 35... Rbb8) 36. Re1 Nf7 {[#]} 37. b4 $1 {[%cal Rb4c5]} Qa7 38. Kf1 Ne5 {[#]} 39. Rc3 $1 {And now Ne6 would win.} f3 $2 (39... Qf7 40. Ne6 (40. Nxb5 axb5 41. Rec1 Nc4 $16) 40... Rb7) 40. Ne6 $18 Rb7 41. Nxf8 Kxf8 42. Qf5+ {[%mdl 64] Double Attack. Accuracy: White = 64%, Black = 45%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.15"]
[White "Svidler, Peter"]
[Black "Jumabayev, Rinat"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2729"]
[BlackElo "2630"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,69,16,0,0,0,0,0,5,0,33,20,31,16,20,35,29,20,53,49,60,48,52,26,41,0,-15,-18,163,155,146,135,154,157,189,194,673,593,675,701,693,675,603,607,588,598,2685,2002,2502,2456,29989,29990,29990,29991,29994,725]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. Qd2 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 9. Bd3 b4 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 10. Na4 {[%cal Rd4c5]} c4 11. Be2 c3 {The position is equal.} 12. Qc1 ({Reject} 12. bxc3 Qa5 $17) 12... cxb2 $146 ({Predecessor:} 12... Qa5 13. b3 Be7 14. O-O O-O 15. Bd3 f5 16. exf6 Nxf6 17. Ne5 {1-0 (46) Miladinovic,I (2535)-Simic,D (2306) Montenegro 2017}) 13. Qxb2 Qa5 14. Qb3 Qc7 15. c3 Na5 16. Qc2 Rb8 17. O-O Be7 18. Rab1 O-O 19. Bd3 g6 20. g4 (20. Rfc1 $14) 20... Nb6 $1 $11 21. f5 Nac4 $2 (21... exf5 $1 $11 22. gxf5 Nxa4 23. Qxa4 b3 24. axb3 Qxc3) 22. cxb4 $18 {Threatens to win with Nxb6.} exf5 23. gxf5 Nxa4 {[#]} 24. Bh6 $1 $36 {[%mdl 2048] White is in control.} Qc6 25. e6 Bb7 $2 ({Avoid the trap} 25... fxe6 $2 26. fxg6 hxg6 27. Bxf8 $18) (25... Bxe6 26. fxe6 Nab6 27. Bxf8 Rxf8 28. exf7+ Rxf7) 26. Qg2 Kh8 27. Ng5 Qb6 28. Nxf7+ Rxf7 29. exf7 {[%cal Rf5g6]} Qxd4+ 30. Rf2 Qxd3 31. Re1 {[#] Qg5! would kill now.} Ne5 32. fxg6 Qxg6 33. Rxe5 {White mates.} Qxh6 34. Rxe7 Bc6 35. Qg3 {Played: Re7-e6} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.15"]
[White "Chigaev, Maksim"]
[Black "Lu, Shanglei"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2644"]
[BlackElo "2602"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,84,10,17,16,14,18,22,17,23,43,21,7,0,0,0,28,24,22,20,29,25,33,33,85,83,87,84,86,74,77,65,75,74,176,203,193,120,158,0,187,193,204,216,305,317,315,213,192,139,142,102,140,72,68,58,77,7,12,9,8,0,0,0,6,0,0,0,8,0,0,0,0]} 1. c4 e6 2. g3 Nf6 3. Bg2 d5 4. Nf3 d4 5. O-O c5 6. e3 Nc6 7. exd4 cxd4 8. d3 Bd6 {A13: English Opening: 1...e6} 9. Bg5 (9. Na3 O-O 10. Nc2 e5 11. b4 a6 12. c5 Bc7 13. a4 e4 14. dxe4 d3 15. Nce1 Nxb4 16. Ba3 {½-½ (35) Anton Guijarro,D (2678)-Wang,H (2725) Changsha 2019}) 9... h6 10. Bxf6 $1 Qxf6 11. Nbd2 Qe7 12. a3 a5 $1 13. Ne4 $146 ({Predecessor:} 13. Rc1 O-O 14. Ne4 Bc7 15. c5 f5 {1-0 (63) Tapodi,N (2043)-Leszko,B (2135) Balatonlelle 2019}) 13... Bc7 14. Rc1 f5 15. Ned2 O-O 16. c5 Rd8 17. Re1 Kh7 18. Nc4 Rd5 (18... a4 $14) 19. Nfd2 $16 Rxc5 20. Nb3 Rb5 21. a4 $36 {[%mdl 2048] Black is under strong pressure.} Rb4 22. Bxc6 $1 bxc6 23. Nxd4 Qf6 (23... Ra6 $16 {was necessary.}) 24. Nxc6 $18 Rb7 25. Qf3 (25. d4 $18) 25... Rb3 $16 26. Qd1 Rb7 27. d4 Ra6 28. Qf3 Bd7 (28... Qf8 $142 29. b3 Bb6 30. Nxb6 Rbxb6) 29. N6e5 $18 Bc8 30. Na3 {Strongly threatening Nb5.} Rab6 31. Nb5 ({White should try} 31. Qc3 $18 {Black must now prevent Nb5.} Rb3 32. Qc5) 31... Bxe5 $16 32. dxe5 Qf8 33. Nd6 (33. b3 $142) 33... Rb8 34. Qc3 {[%cal Rd6c8]} Bb7 $1 {[#]} 35. Qxa5 (35. Nc4 $1 $16 {[%cal Rc4b6]} Rb4 36. Nxa5) 35... Rxb2 $11 {The position is equal.} 36. Nxb7 R8xb7 37. Qc5 Qa8 38. a5 R7b5 39. Qe7 {[#] aiming for Rc7.} Qf3 $1 {[%cal Rf3f2]} 40. Rf1 Rxe5 41. Rc7 {[%csl Gc7][%cal Re7g7]} Qg4 42. Qf6 Rbe2 $1 {Accuracy: White = 60%, Black = 55%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.16"]
[White "Lenderman, Aleksandr"]
[Black "Artemiev, Vladislav"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2648"]
[BlackElo "2746"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,68,33,19,27,12,16,20,14,0,0,0,0,0,0,0,0,0,0,0,0,0,10,9,13,3,18,10,11,10,19,13,16,0,13,8,10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Nf3 O-O 9. Qd2 Nd7 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 10. Bd3 Qa5 {The position is equal.} 11. Rc1 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bc4 Be6 15. Bxe6 fxe6 16. O-O Rad8 17. Qe2 Qc7 18. g3 {[#]} Qc6 $146 ({Predecessor:} 18... c4) 19. Qc4 b6 20. Rfd1 Rd7 21. Rxd7 Qxd7 22. a4 Rf7 23. Kg2 h5 24. Rc2 Qc6 25. Rd2 Rd7 26. Rxd7 Qxd7 27. f4 Bf6 28. Kf2 Kf7 29. Ke2 Qc6 30. Kd3 Qd7+ 31. Kc2 Qc6 32. Kb3 Qd7 33. Kc2 Qc6 34. Kb3 Qd7 {Accuracy: White = 73%, Black = 74%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.16"]
[White "Gukesh D"]
[Black "Zvjaginsev, Vadim"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2520"]
[BlackElo "2644"]
[Annotator "TA"]
[PlyCount "93"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,93,72,83,79,88,82,101,92,177,158,158,140,150,141,145,171,184,160,175,191,140,135,129,100,146,140,140,140,183,179,193,197,201,185,187,143,167,118,234,227,228,231,294,288,386,394,387,378,375,397,398,402,410,393,336,406,396,394,384,375,416,0,481,291,269,274,287,285,619,602,606,409,553,518,735,614,912,922,889,858,823,799,1206,1199,887,792]} 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nc6 (4... a6 5. h3 e6 6. Bd3 Nbd7 7. Nf3 b5 8. e5 b4 9. Ne4 Nxe4 10. Bxe4 d5 11. Bd3 c5 12. c3 bxc3 13. bxc3 {1-0 (35) Shankland,S (2725)-Nepomniachtchi,I (2763) Wijk aan Zee 2019}) 5. Qd2 Ng4 6. Bg5 {B07: Pirc Defence: Miscellaneous Systems} f6 $146 {[#]} ({Predecessor:} 6... h6 7. Bh4 g5 8. Bg3 e5 9. d5 Ne7 10. f3 Nf6 11. Bc4 Ng6 12. O-O-O {0-1 (25) Horvat,L-Schultheiss,H DDR 1991}) 7. Bh4 $1 Bh6 8. f4 {White is better.} f5 (8... e5 $16 {was called for.} 9. dxe5 Ngxe5) 9. h3 $18 Nf6 10. d5 Ne5 11. Qf2 Nf7 12. exf5 c6 13. fxg6 hxg6 14. Bxf6 exf6 15. Bd3 Qb6 16. Nge2 Qxf2+ 17. Kxf2 f5 18. g4 $36 {[%mdl 2048] White has strong initiative.} Bd7 19. g5 Bg7 20. h4 O-O-O 21. h5 gxh5 22. Ng3 Rdf8 23. Rxh5 ({Stronger than} 23. Nxf5 Bxf5 24. Bxf5+ Kb8 $11) 23... Bd4+ (23... Ne5 $16) 24. Kg2 Rxh5 25. Nxh5 Nh8 26. Ne2 Bb6 27. Nf6 Ng6 28. Rh1 Ne7 29. Rh7 Kd8 30. Nxd7 Kxd7 31. Ng3 Kd8 32. dxc6 bxc6 33. Kf3 d5 34. Rh6 Bc7 35. Rh7 $2 (35. g6 $18) 35... d4 $2 {[%mdl 8192]} (35... Bb6 $11 {and Black is okay.} 36. c3 Ke8) 36. Rxe7 Kxe7 37. Nxf5+ {[%mdl 4160] [#] Endgame Double Attack. KRB-KBN} Ke8 38. Kg4 c5 $2 (38... Rh8 39. Nxd4 Kd7) 39. Bc4 Bd8 40. Bd5 a5 41. b3 {White is clearly winning.} Bc7 42. Bc4 Bd8 43. Nh4 Rh8 44. f5 Kd7 45. f6 Kd6 46. Nf5+ Ke5 47. f7 {Accuracy: White = 82%, Black = 38%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.17"]
[White "Mamedov, Rauf"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "2645"]
[BlackElo "2718"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,0,8,0,0,-1,11,0,27,20,20,15,24,27,19,24,18,4,16,12,24,17,20,0,7,-13,-11,-10,0,-17,-12,-16,-10,-10,-1,-20,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. O-O c6 6. Bd3 {C48: Four Knights: 4 Bb5, replies other than 4...Bb4} Nxf3+ 7. Qxf3 d6 8. Be2 Bg4 $146 ({Predecessor:} 8... Be7 9. d3 O-O 10. Qg3 Be6 11. Kh1 Kh8 12. f4 exf4 13. Bxf4 {½-½ (32) Andreikin,D (2705)-Grischuk,A (2785) Antalya 2017}) 9. Qe3 Qb6 10. Qxb6 axb6 11. Bxg4 Nxg4 12. a4 b5 13. b3 Nf6 14. d3 Be7 15. Bd2 bxa4 {The position is equal.} 16. Nxa4 Nd7 17. c4 O-O 18. b4 f5 19. Rfb1 g6 20. f3 Kf7 21. Kf1 Ke6 22. Ke2 h5 23. Ra2 Nb6 (23... g5 {is more complex.} 24. exf5+ Kxf5 25. Rba1 g4 26. Nc3 gxf3+ 27. gxf3 Rxa2 28. Rxa2 Ke6) 24. Rba1 Rxa4 25. Rxa4 Nxa4 26. Rxa4 $11 {[%mdl 4096] Endgame KRB-KRB} Rd8 27. Be3 Rb8 28. Bb6 (28. Ra7 {is interesting.} fxe4 29. fxe4 d5 30. Bd2 d4 31. h3) 28... Bd8 29. Bxd8 Rxd8 {KR-KR} 30. Ra7 Rb8 31. c5 d5 32. h4 fxe4 33. dxe4 dxe4 34. fxe4 Kd7 35. Ra3 Rf8 36. Rg3 Rf4 37. Ke3 Rf6 38. Rg5 Re6 39. Ke2 Ke7 40. Rg3 Rf6 41. Ke3 Kf7 42. Rh3 Rf1 43. Rf3+ Rxf3+ 44. Kxf3 {KP-KP} g5 45. Kg3 ({Not} 45. hxg5 $2 Kg6 $19) 45... Kf6 46. Kh3 Kg6 47. hxg5 Kxg5 {[#] Strongly threatening ...Kf4.} 48. g3 $1 Kg6 $1 {[%cal Rg6g5] ...Kg5 is the strong threat.} 49. Kh4 {Hoping for g4.} Kh6 50. g4 hxg4 51. Kxg4 {[#] Threatens to win with Kf5.} Kg6 {Accuracy: White = 61%, Black = 71%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.17"]
[White "Kuzubov, Yuriy"]
[Black "Erdos, Viktor"]
[Result "1/2-1/2"]
[ECO "D22"]
[WhiteElo "2636"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,85,33,25,23,16,24,22,35,28,34,22,22,31,36,20,48,42,39,43,56,33,34,34,25,-6,-14,-33,0,-29,-41,-14,-33,-106,-104,-120,-96,-101,-77,-167,-153,-159,-147,-201,-174,-155,-62,-51,-32,-99,-103,-107,0,0,0,-23,0,-71,-76,-89,-52,-50,-58,-70,-75,-96,-97,-85,-51,-36,-8,-8,0,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 a6 4. e3 b5 5. a4 Bb7 6. b3 e6 {D22: Queen's Gambit Accepted: 3 Nf3 a6 4 e3} 7. bxc4 bxc4 8. Bxc4 Nf6 (8... c5 9. O-O Nf6 10. Nbd2 Nbd7 11. Rb1 Qc7 12. Bb2 cxd4 13. Bxd4 Bc5 14. Qe2 {½-½ (14) Cheparinov,I (2695)-Ivanchuk,V (2727) Mali Losinj 2017}) 9. Nbd2 c5 10. Rb1 Qc7 11. Bb2 Be7 12. O-O Nbd7 13. Qe2 $146 ({Predecessor:} 13. Qc2 O-O 14. Rfc1 {1-0 (30) Pjevovic,B (2265)-Bakic,R (2403) Belgrade 2005}) 13... O-O 14. Rfc1 Bc6 15. e4 Bxa4 16. e5 Nd5 17. Ne4 (17. Bxd5 $5 exd5 18. e6 $11) 17... N7b6 18. Nxc5 Bxc5 19. Bd3 {Qe4 is the strong threat.} Nf4 20. Bxh7+ Kxh7 (20... Kh8 $2 21. Qd2 $18) 21. Ng5+ ({Better is} 21. Qe4+ $15 Ng6 22. Rxc5 (22. dxc5 $2 Bc6 $19)) 21... Kg8 $1 $17 22. Qg4 {[#]} f6 $1 {[%cal Rf6g5]} 23. exf6 Nbd5 24. fxg7 (24. dxc5 $17 e5 25. f7+ Rxf7 26. Qh4) 24... Qxg7 $19 25. dxc5 e5 26. Re1 (26. c6 $17) 26... Bd7 27. Qg3 Rf5 (27... Rab8 $17 {And now ...Bf5 would win.} 28. Nf3 Qxg3 29. hxg3 Bf5 30. gxf4 Bxb1 31. Bxe5 Rb5) 28. h4 $15 Bc6 29. Rbd1 ({White should try} 29. Ra1 $1 $15) 29... Re8 $17 30. Ne4 {[#]} Re6 (30... Qxg3 $1 $17 31. Nxg3 Rf7) 31. Qxg7+ $11 Kxg7 32. Ng3 Rf7 {Hoping for ...Nxg2!} 33. Rxe5 (33. Ne4 $1 $11) 33... Rxe5 $17 34. Bxe5+ Kg6 {Strongly threatening ...Nxg2!} 35. Ra1 Nd3 36. Bd4 Rf4 37. h5+ Kg5 38. Bg7 N5b4 ({Not} 38... Nxc5 $2 39. Rc1 $18) 39. f3 Rf7 ({But not} 39... Nxc5 $6 40. Bc3 $16) 40. Bc3 {The position is equal.} Rd7 41. Bd2+ Kf6 $1 42. Bc3+ Kg5 43. Bd2+ {Accuracy: White = 55%, Black = 60%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.18"]
[White "Matlakov, Maxim"]
[Black "Najer, Evgeniy"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2716"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,49,10,20,-54,9,9,41,-24,-31,-35,15,10,8,0,0,0,9,0,57,0,0,0,81,-46,55,28,22,33,274,267,342,352,661,667,667,667,647,641]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Qd3 dxc4 6. Qxc4 b5 7. Qd3 a6 8. g4 {D43: Semi-Slav: 5 Bg5 h6} (8. e4 $11) 8... Bb7 $146 (8... Nxg4 $15 9. Bg2 Bb7) ({Predecessor:} 8... c5 9. g5 c4 10. Qb1 Nd5 11. e4 Nb6 12. Be3 Bb7 13. Bg2 N8d7 14. a3 b4 15. axb4 Bxb4 {1-0 (23) Berkes,F (2654)-Froewis,G (2432) Minsk 2017}) 9. g5 $1 $11 {[%cal Rg5f6]} Nh5 10. Bh3 (10. Bg2 $14) 10... c5 {...cxd4 is the strong threat.} 11. Bg4 g6 12. Bxh5 gxh5 13. Ne4 $36 {[%mdl 2048] Threatening Nf6+. White has the initiative.} c4 14. Qe3 Be7 15. Bd2 Nc6 (15... Bxe4 $11 16. Qxe4 Qd5 17. Qxd5 exd5) 16. O-O-O ({Better is} 16. Nf6+ $14 Bxf6 17. gxf6) 16... Qd5 $1 17. Nc3 Qf5 {[#]} (17... Qd7 $11 {keeps the balance.}) 18. d5 (18. Nh4 $1 $16 {[%cal Rh4f5]} Qg4 {[%mdl 64] Double Attack} 19. Nf3) 18... Nb4 (18... exd5 $15 19. Qb6 Rb8) 19. Nd4 $1 $14 {[%csl LRe6,LRf5][%mdl 64] Double Attack} Qg6 {And now ...Bc5 would win.} 20. f4 {Hoping for Qe5.} Rg8 $2 {[#]} ({Don't blunder} 20... Bxd5 $2 21. Rhg1 $18) (20... Nxd5 $14 21. Nxd5 Bxd5) 21. dxe6 {Played: f4-f5} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.18"]
[White "Harika, Dronavalli"]
[Black "Moiseenko, Alexander"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "2495"]
[BlackElo "2635"]
[Annotator "TA"]
[PlyCount "108"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,108,37,27,31,24,45,37,35,29,29,19,20,20,23,22,21,11,12,13,18,15,16,13,13,5,10,6,10,6,6,7,9,0,6,0,0,0,0,0,0,-108,-97,-100,-93,-104,-87,-100,-69,-108,-108,-278,-334,-430,-424,-441,-420,-402,-400,-357,-339,-1340,-1308,-1393,-1381,-1395,-1336,-879,-1336,-1093,-1087,-2279,-1922,-4965,-3498,-5026,-3443,-1018,-605,-2536,-2330,-12222,-10595,-7031,-1158,-29978,-29979,-29980,-29981,-29981,-29981]} 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. e3 O-O 6. Bd2 c5 7. a3 Bxc3 8. Bxc3 Ne4 9. Rc1 Nxc3 10. Rxc3 cxd4 11. Nxd4 a6 {E51: Nimzo-Indian: Rubinstein: 4...0-0 5 Nf3 d5} 12. Nb3 $146 ({Predecessor:} 12. Nf3 dxc4 13. Bxc4 Qxd1+ 14. Kxd1 Rd8+ 15. Rd3 Rxd3+ 16. Bxd3 Nc6 17. Ke2 Bd7 18. Rd1 Be8 19. Ng5 {0-1 (119) Gajewski,G (2633)-Tomczak,J (2603) Poznan 2016}) 12... dxc4 13. Qxd8 Rxd8 {White is slightly better.} 14. Bxc4 b6 15. f3 Bb7 16. Kf2 Nd7 17. Rhc1 Rac8 18. Be2 Rxc3 19. Rxc3 Rc8 20. Rxc8+ Bxc8 $11 {[%mdl 4096] Endgame KBN-KBN} 21. e4 Kf8 22. Ke3 Ke7 23. f4 f6 24. Nd2 e5 25. g3 b5 26. Bg4 Nb6 27. Bxc8 Nxc8 {KN-KN} 28. Kd3 Kd6 29. Kc3 Ne7 30. a4 (30. fxe5+ $11 fxe5 31. g4) 30... exf4 $17 ({Much worse is} 30... bxa4 $6 31. Nc4+ Kc5 32. fxe5 $11) 31. gxf4 bxa4 32. Kb4 Nc6+ $1 33. Kxa4 g5 $1 34. fxg5 fxg5 35. Kb3 $2 (35. b4 $17) 35... Ke5 $19 36. Kc4 g4 $1 37. Kd3 {[#]} Kf4 $1 38. Ke2 Nd4+ 39. Kf2 h5 40. Nf1 $2 (40. e5 Kxe5 41. Ke3) 40... Nf3 41. Ng3 h4 42. Ne2+ Kxe4 43. Nc3+ Kf4 (43... Kf5 $142 44. h3 a5 45. hxg4+ Kxg4) 44. Ne2+ Kg5 45. h3 Ne5 46. hxg4 Kxg4 47. b3 Nd3+ 48. Kg1 Kf3 49. Nd4+ Ke4 50. Nc2 Nc1 51. b4 Kd3 52. Na3 {[#]} Ne2+ $1 {Black mates.} 53. Kh2 Nd4 54. Kh3 Nb5 {Accuracy: White = 37%, Black = 98%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.19"]
[White "Sarana, Alexey"]
[Black "Le, Quang Liem"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2655"]
[BlackElo "2708"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,132,12,23,23,28,33,51,33,45,46,56,43,53,0,22,22,50,45,52,0,0,9,8,-12,-14,0,-22,-75,-75,-77,-59,-70,-91,-75,-40,-39,-40,-64,-62,-62,-68,-87,-88,-89,-75,-77,-77,-74,-76,-75,-75,-75,-75,-75,-75,-75,-75,-75,-75,-78,-74,-90,-90,-96,-70,-89,-85,-96,-96,-97,-103,-117,-103,-189,-179,-206,-200,-212,-224,-224,-208,-208,-222,-211,-187,-176,-8,-8,0,0,0,-8,-8,-22,-22,-30,-77,-29955,-29958,-4602,-29956,-29969,-29971,-29970,-29973,-29973,-29974,-29974,-29975,-29970,-29976,-29976,-29977,-29977,-29978,-29976,-29979,-29979,-29980,-29979,-29981,-29981,-29982,-29984,-29985]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 g6 6. Nc3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+} Bg7 7. d5 O-O 8. O-O {White is slightly better.} exd5 9. cxd5 Re8 10. Nd4 (10. Bf4 Na6 11. Rc1 Ne4 12. Nxe4 Rxe4 13. d6 c6 14. Qd2 Qf6 15. b3 Rae8 {0-1 (56) Wang,Y (2684)-Mamedyarov,S (2817) chess.com INT 2019}) 10... Na6 11. Qc2 (11. Bf4 $14) 11... Nb4 12. Qb3 a5 13. Rd1 d6 $146 ({Predecessor:} 13... Ng4) 14. Qc4 ({White should play} 14. Rb1 $14) 14... Nd7 $11 15. Ncb5 Ba6 $1 {And now ...Bxd4 would win.} 16. e3 Bxd4 17. exd4 Nf6 18. a3 (18. Bg5 $11) 18... Qd7 $1 $17 19. axb4 {Threatens to win with Bf1.} Bxb5 20. Qb3 a4 21. Qf3 Qg4 22. Qxg4 Nxg4 23. h3 Nf6 24. Bg5 Ne4 25. Bxe4 Rxe4 26. Rac1 Re2 (26... f6 {with more complications.} 27. Be3 Re7 28. Rc3 Be8 29. Rdc1 Ra7) 27. Rd2 Rxd2 28. Bxd2 {[%mdl 4096] Endgame KRB-KRB} Rc8 29. Bf4 Ba6 30. b5 Bb7 31. Rc4 Bxd5 32. Rxa4 f6 33. g4 Kf7 34. Ra3 Ke6 35. Bd2 Bc4 36. Re3+ Kf7 37. Rc3 Bxb5 38. f3 Ke6 39. Kf2 Kd5 40. Re3 Kxd4 41. Re7 (41. Bc3+ $17 {keeps fighting.} Kc4 42. Re4+ Kd3 43. Bxf6) 41... Kd3 $19 42. Bc3 d5 43. Bxf6 d4 44. Rxh7 c5 45. Rb7 Rc6 $1 {[%cal Rc6f6]} 46. Bd8 Kc2 {...d3 is the strong threat.} 47. Bxb6 {[#]} Be2 $1 {[%mdl 512]} 48. Bxc5 $1 $11 ({But not} 48. Kxe2 $2 d3+ 49. Kf2 d2 $19) 48... Rxc5 49. Kxe2 {KR-KR} d3+ 50. Ke3 d2 51. Rd7 Re5+ 52. Kf4 Rb5 {White must now prevent ...g5+.} 53. h4 $2 {[%mdl 8192]} (53. Ke3 $17 Re5+ 54. Kf4) 53... d1=Q 54. Rxd1 Kxd1 55. h5 {Black mates.} gxh5 56. gxh5 Rxh5 {KR-KPP} 57. Ke4 Ke2 58. f4 Kf2 $1 {[%cal Rf2g3]} 59. b4 {[#]} Kg3 $1 60. f5 {[#]} Kg4 $1 61. f6 Rf5 62. f7 Rxf7 63. Kd5 Rf6 64. b5 Kf5 65. Kc5 Ke6 66. Kc6 Rf1 {Accuracy: White = 59%, Black = 80%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.19"]
[White "Mareco, Sandro"]
[Black "Keymer, Vincent"]
[Result "1-0"]
[ECO "B81"]
[WhiteElo "2634"]
[BlackElo "2506"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,89,11,22,33,18,33,24,23,23,20,23,27,18,39,19,69,35,61,18,28,-28,0,0,0,0,0,-56,0,0,0,0,-4,-97,36,55,54,58,112,-20,18,26,214,262,157,214,137,154,735,710,633,163,160,151,474,469,467,459,459,154,426,425,411,284,453,440,530,544,519,525,503,338,942,1000,12820,6187,5277,2230,2353,1688]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Nfd7 $146 {B81: Sicilian Scheveningen: Keres Attack} (7... h6 8. Bg2 Be7 9. Qd3 Nc6 10. Nxc6 bxc6 11. e5 Nd5 12. exd6 Bxd6 13. Ne4 Bc7 14. c4 Nf4 15. Qxd8+ Kxd8 16. Kf1 {½-½ (45) Nepomniachtchi,I (2775)-Wojtaszek,R (2737) Dortmund 2019}) ({Predecessor:} 7... Be7 8. g5 Nfd7 9. h4 b5 10. a3 Bb7 {0-1 (35) Kokarev,D (2604)-Vorobiov,E (2557) St Petersburg 2018}) 8. Be3 Be7 9. g5 b5 {White has an edge.} 10. a3 Bb7 11. h4 Nc6 12. Qd2 O-O 13. O-O-O Nc5 14. f3 $1 Rb8 15. Kb1 Qc7 16. Rh3 (16. Rg1 $142) 16... b4 17. axb4 Nxb4 18. h5 Bc8 19. Qh2 (19. Rh1 $11) 19... Nc6 (19... Bd7 $1 $15 20. Qg2 Qa5) 20. Nxc6 $11 Qxc6 21. Bc1 Bd7 22. f4 (22. e5 $11 {remains equal.} d5 23. f4) 22... Rfc8 (22... Nxe4 23. Nxe4 Qxe4 24. Re3 $15) ({Black should play} 22... Rb4 $1 $17) 23. g6 $14 Nxe4 24. gxf7+ Kf8 ({Black should try} 24... Kxf7 $14 25. Nxe4 Qxe4) 25. Rdd3 (25. Nxe4 $16 Qxe4 26. Bd3 (26. Bxa6 Rc7 $11)) 25... Nxc3+ 26. Rxc3 Qxc3 $2 (26... Qb6 $11 {and Black is okay.}) 27. Rxc3 $18 Rxc3 28. h6 {Qg1 is the strong threat.} g6 29. f5 $1 {[%cal Rf5g6]} Rf3 $2 {[#]} (29... exf5 $16 30. Bf4 Rc6) 30. fxg6 $1 Rxf1 31. Qh5 $2 (31. gxh7 Rxc1+ 32. Kxc1 Bg5+ 33. Kd1) 31... Bf6 {( -> ...Rxb2+)} ({Wrong is} 31... hxg6 $2 32. Qxg6 Rxf7 33. h7 $18) 32. g7+ {[#]} Ke7 $2 {[#]} (32... Bxg7 $1 $16 {is a better chance.} 33. hxg7+ {[%mdl 64] Discovered Attack} Kxg7) 33. c3 $1 {[%mdl 512]} Rg1 (33... Bxc3 34. f8=Q+) 34. f8=Q+ Rxf8 35. gxf8=Q+ Kxf8 36. Qh2 $1 {[%csl LRd6,LRg1][%mdl 64] Double Attack} Rd1 37. Qc2 Rd5 (37... Rg1 $142 38. Qh2 (38. Qxh7 Bc6 $18) 38... Rd1) 38. Qxh7 Bb5 {aiming for ...Bd3+.} 39. Qc7 Bd3+ 40. Ka2 Be7 41. b3 Re5 $2 (41... Rh5 42. Qc6 Bg6) 42. Bf4 {White is clearly winning.} Rd5 43. c4 Rc5 44. Qb6 e5 {[#]} 45. Bg5 $1 {[%mdl 512] Accuracy: White = 60%, Black = 33%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.20"]
[White "Xiong, Jeffery"]
[Black "Papaioannou, Ioannis"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2708"]
[BlackElo "2645"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,67,22,24,32,25,29,14,22,5,16,11,12,0,11,0,28,20,58,29,37,29,86,40,69,59,70,55,77,55,108,112,112,118,109,94,99,96,109,102,105,105,108,104,103,103,108,107,106,87,88,99,114,100,208,209,218,214,322,322]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d6 5. e3 O-O 6. Be2 Bxd2+ {E11: Bogo-Indian} (6... c5 7. O-O Nc6 8. Nb3 Na5 9. Nfd2 e5 10. d5 Nxb3 11. Nxb3 a6 12. a3 Ba5 13. Nxa5 Qxa5 14. b4 {1-0 (52) Najer,E (2627)-Turov,M (2583) Dagomys 2008}) 7. Qxd2 Qe7 8. O-O e5 {The position is equal.} 9. b4 $146 ({Predecessor:} 9. b3 e4 10. Ne1 Bf5 11. Nc2 Nbd7 12. Bb2 c6 13. Qb4 b6 14. Qa4 {1-0 (38) Amanov,M (2518)-Shetty,A (2219) Wheeling 2012}) 9... e4 10. Ne1 $1 d5 11. b5 Rd8 12. a4 $36 {[%mdl 2048] White has good play.} Bg4 13. Ba3 Qe6 14. cxd5 Nxd5 15. Bc4 Nd7 (15... Qe8 $11) 16. Nc2 N7f6 17. Rfc1 Qf5 18. Nb4 {Threatens to win with Nxd5.} Qg5 19. Kh1 Qh6 (19... Be6 $14) 20. Nxd5 $16 Nxd5 21. Qc2 Qe6 22. Bxd5 Qxd5 23. Qxc7 b6 24. h3 Be6 25. Qg3 Rdc8 26. Bd6 {Be5 is the strong threat.} f6 27. Bc7 Bd7 28. Rab1 Re8 29. Qd6 Qxd6 30. Bxd6 Be6 31. a5 Rec8 {[#]} (31... bxa5 $16 32. Ra1 Red8) 32. axb6 $1 $18 axb6 33. Rc6 Ra2 (33... Kf7 {is a better defense.} 34. Rxb6 Bd5) 34. Bg3 {Accuracy: White = 77%, Black = 38%.} ({Don't take} 34. Rxb6 Bd5 $18) 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.20"]
[White "Bjerre, Jonas Buhl"]
[Black "Demchenko, Anton"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "2506"]
[BlackElo "2655"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,97,17,22,17,18,15,35,11,19,25,34,0,0,0,0,0,0,0,9,9,10,17,22,0,0,0,18,20,46,45,46,46,46,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,53,0,53,0,53,0,53,46,46,45,45,45,46,46,46,45,45,45]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Nf3 d6 6. Be2 e5 7. O-O Nc6 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qa4 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1} (10. Qxd8 Rxd8 11. Be3 c6 12. Rfd1 Re8 13. f3 Bf8 14. Na4 b6 15. b3 Be6 16. Nb2 Nd7 17. Nd3 f6 18. Rac1 Nc5 19. Nxc5 Bxc5 20. Bxc5 bxc5 {½-½ (35) Wojtaszek,R (2736)-Duda,J (2717) Katowice 2017}) 10... c6 11. Rd1 Qe7 12. b4 $146 ({Predecessor:} 12. b3 Rd8 13. Ba3 Rxd1+ 14. Rxd1 Qe8 15. Bd6 b6 16. c5 b5 17. Qa5 Bg4 18. Bxg4 {1-0 (18) Bischof,G-Keinholz,J DESC email 2006}) 12... Be6 13. b5 cxb5 14. cxb5 {Threatening Ba3.} Rfc8 15. Ba3 Qe8 16. Nd5 Nxd5 17. exd5 Bd7 18. Qb3 a6 19. bxa6 bxa6 {[#] White must now prevent ...e4.} 20. Rdc1 e4 21. Rab1 Bd4 22. Rxc8 Rxc8 23. Bxa6 e3 24. Bxc8 exf2+ 25. Kf1 Qxc8 26. Qb8 {[#] Hoping for Qxc8+.} Kg7 $1 {[%cal Rc8c4]} 27. Qxc8 Bxc8 28. Rb2 $1 Bxb2 29. Bxb2+ $14 {[%mdl 4096] Endgame KB-KB} f6 30. Kxf2 Bb7 31. d6 {d7 would kill now.} Kf7 32. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Ke6 33. Ba3 h5 34. g3 Kd7 35. Ke3 Bc6 36. a5 Bb5 37. Kd4 Kc6 38. Ke4 Ba6 39. Kf4 Bc8 40. Ke3 Ba6 41. Kd4 (41. Bb4 $14) 41... Bc8 (41... Bb5 $1 $11) 42. Ke4 Ba6 43. Kf4 Bc8 $1 44. h4 {White is slightly better.} Ba6 45. Bb2 Kxd6 46. Bxf6 Kc6 47. Kg5 Bd3 48. Bd8 Kb5 49. Bc7 {Accuracy: White = 67%, Black = 77%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.21"]
[White "Howell, David W L"]
[Black "Bluebaum, Matthias"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2694"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,79,17,14,10,12,0,5,0,0,0,0,0,0,0,0,-4,0,0,0,0,-12,-16,0,0,0,0,26,19,38,24,58,56,56,48,49,58,37,37,67,68,70,62,66,80,82,80,71,79,79,75,85,78,104,102,103,68,78,72,106,98,130,110,110,108,151,148,241,183,253,253,572,547]} 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 dxc4 5. Qa4+ Bd7 6. Qxc4 {A13: English Opening: 1...e6} c5 7. Ne5 Qc8 8. O-O {The position is equal.} (8. Qd3 Nc6 9. Nxd7 Nxd7 10. b3 Be7 11. Bb2 O-O 12. Nc3 Rd8 13. Rc1 Nf6 {½-½ (45) Cheparinov,I (2711)-Grandelius,N (2678) Germany 2019}) 8... Nc6 9. Nxd7 Qxd7 10. Nc3 Rc8 11. d3 Be7 12. Bg5 $146 ({Predecessor:} 12. Qa4 O-O 13. Bg5 Rfd8 {0-1 (43) Ennsberger,U (2343)-Spindelboeck,G (2254) Austria 2016}) 12... b6 13. Qa4 O-O 14. Rfc1 Rfd8 15. Kf1 Nd5 16. Bd2 Bf6 17. Rab1 Qe7 18. Ne4 Be5 19. a3 h6 20. b4 $1 f5 21. Nc3 Bxc3 $1 22. Bxc3 cxb4 23. Be1 Qd6 24. axb4 Ndxb4 25. Bxb4 Nxb4 26. Qxa7 Nd5 27. Rxc8 Rxc8 28. Bf3 Qc6 {[#] Hoping for ...Ra8.} 29. Kg1 Qc2 30. Qa1 Kh7 31. Kg2 Qc5 32. Qa6 Rc6 33. h4 Rd6 34. h5 Nc3 35. Rc1 {Black must now prevent Qa1.} Rd8 36. Qa7 Kh8 37. Qf7 Qe5 (37... b5 $16 {was necessary.} 38. Ra1 (38. Qxe6 b4 $16) 38... b4) 38. Qe7 Rb8 {[#]} (38... Rg8 $142 39. Qd7 Qc5 40. Qxe6 b5 41. Rxc3 Qxc3) 39. d4 $1 $18 {[%mdl 576] Deflection} Qxd4 $2 (39... Nd5 40. Qd7 (40. dxe5 Nxe7 41. Rc7 Nd5 $16) 40... Qf6) 40. Qc7 {[%mdl 64] Double Attack. Accuracy: White = 88%, Black = 58%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.21"]
[White "Jones, Gawain C B"]
[Black "Clarke, Brandon G I"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "2688"]
[BlackElo "2445"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,65,25,10,25,25,27,13,11,14,28,22,34,16,28,23,25,16,16,4,20,8,5,0,0,0,0,3,10,0,3,0,0,0,0,0,12,9,33,17,20,20,46,53,92,123,693,682,661,652]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. Nc3 e5 8. Qd3 h6 9. O-O ({Predecessor:} 9. Nd2 Rc8 10. Nc4 Be6 11. Ne3 Nf6 12. O-O Be7 13. a4 Qc7 14. Rd1 {½-½ (37) Banzea,A (2401)-Ileana,G (2349) Mamaia 2019}) 9... Nf6 10. a4 Be7 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7} 11. Nd2 Rc8 12. Rd1 Qc7 {The position is equal.} 13. Nf1 O-O 14. Ne3 Be6 15. Bd2 Bc4 $146 (15... Rfd8 16. Be1 {½-½ (43) Leko,P (2702)-Cheparinov,I (2629) Hengshui 2019}) 16. Nxc4 Qxc4 17. Qxc4 Rxc4 18. f3 Rfc8 19. Be1 Kf8 20. Bh4 g5 21. Bf2 d5 22. exd5 {And now d6 would win.} Bb4 23. d6 {Threatening Nd5.} Rd8 24. Bg3 Bxc3 25. bxc3 Nd7 26. a5 $36 {[%mdl 2048] White fights for an advantage.} f6 27. Rab1 Rxc3 28. Rxb7 {[#] Strongly threatening Rc7.} Rxc2 29. Bf2 Ke8 30. Bb6 Rb2 {[#]} 31. Rc1 $1 Nxb6 $4 {[%mdl 8192]} (31... Ra8 $16) 32. axb6 $18 Rxd6 {With the idea ...Kd8.} 33. Rh7 {Accuracy: White = 78%, Black = 54%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.22"]
[White "Nguyen, Ngoc Truong Son"]
[Black "Grandelius, Nils"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2638"]
[BlackElo "2691"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,61,22,27,22,16,24,23,0,7,10,0,17,18,8,12,-2,17,9,9,9,12,6,10,0,34,0,0,0,0,-3,4,0,8,5,10,11,13,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Be3 Qa5 9. Nd2 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} cxd4 10. Nc4 Qa6 $146 ({But not} 10... Qxc3+ $2 11. Bd2 $18) ({Predecessor:} 10... Qd8 11. cxd4 O-O 12. Rc1 f5 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}) 11. cxd4 {White has an edge.} O-O $1 12. Rb1 b5 13. Nd2 Bd7 14. Qb3 {[%cal Rf1b5]} Rc8 15. Nf3 {[%cal Rf1b5]} Qb7 16. Bxb5 Bxb5 17. Qxb5 Qxe4 18. O-O {White wants to play Rbc1.} a6 19. Qb3 e6 20. d5 (20. Ng5 $5 {[%cal Rg5e4]} Qd5 21. Qb7 Qxb7 22. Rxb7 $14) 20... Qxd5 {The position is equal.} 21. Qxd5 exd5 22. Rfd1 Nc6 23. Rxd5 Rab8 (23... Bf8 {is more complex.} 24. Rd7 Rd8 25. Rdb7 Na5 26. Rc7 Rac8) 24. Rxb8 Rxb8 25. g3 Bf8 26. Ne5 Nxe5 27. Rxe5 Rc8 28. Rd5 h5 29. a4 Be7 30. Bb6 Rc6 31. Bd8 {Accuracy: White = 57%, Black = 78%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.22"]
[White "Kashlinskaya, Alina"]
[Black "Huschenbeth, Niclas"]
[Result "1/2-1/2"]
[ECO "E36"]
[WhiteElo "2481"]
[BlackElo "2624"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,95,8,0,41,35,41,45,37,27,31,45,40,38,112,24,34,26,35,17,43,0,0,0,0,0,5,-25,-23,-20,12,15,8,-99,-95,-105,-88,-45,-44,-96,0,0,0,-145,-145,-227,-208,-248,-243,-258,-251,-346,-330,-316,-154,-154,-150,-157,-165,-147,-125,-125,-68,-66,-72,-76,-67,-70,-41,-72,-14,-32,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29978]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 c5 {E36: Nimzo-Indian: Classical: 4...d5 5 a3} (6... O-O 7. Nf3 dxc4 8. Qxc4 b6 9. Bg5 Bb7 10. Rd1 Nbd7 11. Ne5 h6 12. Bh4 c5 13. Nxd7 Qxd7 14. Bxf6 gxf6 15. dxc5 Qc7 16. h4 Rfd8 17. Rxd8+ Rxd8 {½-½ (30) Yu,Y (2763)-Ding,L (2811) Khanty-Mansiysk 2019}) 7. dxc5 d4 8. Qg3 Nc6 {White is slightly better.} 9. Nf3 e5 10. b4 e4 11. Nd2 Be6 (11... O-O $14) 12. Qd6 $146 (12. Qxg7 $16 Rg8 13. Qh6) ({Predecessor:} 12. e3 Nh5 13. Qd6 Qh4 14. g3 {0-1 (36) Goryachkina,A (2504)-Moiseenko,A (2648) Skopje 2019}) 12... e3 13. fxe3 dxe3 14. Nf3 Ng4 15. Bb2 Qxd6 16. cxd6 Bxc4 17. Rc1 b5 18. Nd4 Nxd4 19. Bxd4 O-O-O 20. Bc5 Kb7 21. Rxc4 (21. a4 $11 {keeps the balance.}) 21... bxc4 $17 22. g3 Kc6 23. Bg2+ Kb5 24. O-O {[#]} (24. Rf1 $15 Ne5 25. Rf4) 24... Ka4 ({Better is} 24... Nf6 $1 $17 25. Rc1 Rhe8) 25. Rb1 $11 Kxa3 26. Be4 (26. b5+ $1 $11 Ka2 27. Rc1) 26... Nf6 $17 27. Bc2 (27. Bf5 $17 {keeps fighting.}) 27... Nd5 $19 28. b5+ Ka2 29. Bd4 {[%csl Gd4][%cal Rb1a1]} c3 30. Bc5 Rd7 31. Rd1 Kb2 (31... Nb6 $19 {...Re8 is the strong threat.} 32. Bxe3 Rhd8) 32. Bf5 $17 c2 33. Bxc2 Kxc2 34. Rxd5 {[%mdl 4096] Endgame KRR-KRB} Rhd8 35. Rd3 {[#]} Rb8 (35... Rb7 $1 $17 36. Bxe3 Rxb5 37. Bxa7 Rb1+ 38. Kf2 Rd1) 36. Bxe3 $15 Rxb5 {Strongly threatening ...a5.} 37. Bxa7 Rb3 (37... Rxa7 38. d7 $11) (37... Rbb7 $5 {[%cal Rb7a7]} 38. Bc5 Rb3 $17) 38. Rd5 Kc3 39. Kg2 Rb2 ({Of course not} 39... Rxa7 40. d7 $11) (39... Kc4 $17 40. Rc5+ Kb4) 40. Kf3 $1 $11 Rd2 41. Rxd2 {The position is equal.} Kxd2 {KR-KB} 42. Bb8 $1 Kc3 {Hoping for ...Kd4.} 43. Ke4 {aiming for Kd5.} Kc4 44. Bc7 Kc5 45. Ke5 Kc6 46. g4 h6 47. h4 Rxc7 48. Ke4 $2 {[%mdl 40960] Accuracy: White = 50%, Black = 41%. . An unexpected result.} (48. dxc7 $11 Kxc7 49. Kd5) 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.23"]
[White "Sargissian, Gabriel"]
[Black "Lupulescu, Constantin"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "2690"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,0,20,11,16,14,8,12,20,23,26,27,22,18,14,4,29,19,47,42,44,36,31,34,42,39,47,15,46,20,20,16,20,16,24,15,10,10,16,8,11,8,9,0,0,0,0,0,12,0,9,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,0,0,0,21,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. a4 a5 9. Qc2 c6 10. Na3 Ne4 11. Bf4 g5 12. Be3 f5 13. Rad1 Qe8 14. Qc1 h6 15. Ne5 Kh7 {½-½ (104) Nakamura,H (2743)-Karjakin,S (2750) Saint Louis 2019}) 6. Nc3 {E01: Catalan: Early deviations} O-O 7. Bg5 Be7 8. Bg2 h6 9. Bxf6 Bxf6 10. O-O $146 ({Predecessor:} 10. e4 dxc4 11. e5 Be7 12. Qe2 Bd7 13. Qxc4 {1-0 (54) Kuzubov,Y (2636)-Parligras,M (2629) Mamaia 2019}) 10... c6 11. Qc2 Nd7 12. Rfd1 dxc4 13. Ne4 Nb6 14. Ne5 Be7 15. Nxc4 (15. Rac1 {looks sharper.} Qc7 16. Nd2 Bd7 17. Ndxc4 Rfd8 18. e3) 15... Nxc4 16. Qxc4 Bd7 17. Nc5 Qc7 18. b4 Rfd8 19. Qc3 a5 20. a3 Be8 21. e3 Ra7 22. Nb3 axb4 {The position is equal.} 23. axb4 Rda8 24. Rxa7 Rxa7 25. Nc5 Qb8 26. Ra1 Qa8 27. Rxa7 Qxa7 28. Bf3 g6 29. h4 h5 30. Kg2 b6 31. Nd3 Qa4 32. Be2 Bd6 33. Kf1 Kf8 34. Ke1 Ke7 35. Bd1 Qa6 36. Bf3 Qa4 37. Kf1 Kd8 38. Kg2 Ke7 39. Qb2 Kd8 40. Qc3 Ke7 41. e4 Kd8 42. e5 Be7 43. Be4 Bd7 44. Bf3 {Accuracy: White = 49%, Black = 68%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.23"]
[White "Erenberg, Ariel"]
[Black "Vovk, Andriy"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "2463"]
[BlackElo "2618"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,100,22,41,8,19,13,36,7,6,12,77,54,68,64,122,121,137,124,140,128,237,83,68,48,63,26,28,23,29,6,11,-14,-4,-55,-47,-79,-33,-16,-39,-91,-5,-47,-47,-44,-34,-112,-116,-155,-147,-162,-161,-197,-166,-177,-171,-246,-241,-250,-250,-282,-291,-274,-267,-374,-302,-346,-356,-358,-362,-373,-370,-347,-365,-479,-468,-507,-512,-469,-376]} 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 7. O-O e5 8. e4 exd4 9. Nxd4 Nc5 10. h3 Re8 11. Re1 Bd7 12. b3 a5 13. Bf4 {E68: King's Indian: Fianchetto: 6...Nbd7 7 0-0 e5 8 e4} h6 14. Rb1 Nh7 (14... a4 15. Kh2 axb3 16. axb3 h5 17. Qd2 h4 18. gxh4 Nh5 19. Bg5 Be5+ 20. f4 Qxg5 21. hxg5 Bxf4+ 22. Qxf4 Nxf4 {½-½ (58) Wang,H (2726)-Radjabov,T (2788) Istanbul 2012}) 15. Qd2 {White is slightly better.} Ng5 {[#]} 16. Rbd1 $146 ({Predecessor:} 16. h4 Bxd4 17. hxg5 Bxc3 18. Qxc3 hxg5 19. Bc1 f6 20. Bb2 {½-½ (47) Svane,R (2555)-Gupta,A (2634) London 2016}) 16... Kh7 (16... Nxh3+ $11 {remains equal.} 17. Bxh3 Bxh3) 17. Kh2 $16 Nge6 18. Be3 Ng5 (18... Nxd4 $14 19. Bxd4 Bc6) 19. Qc2 Kg8 20. f4 Nge6 21. Ndb5 g5 (21... h5 $16 {keeps fighting.} 22. Kg1 Na6) 22. f5 $2 {[#]} (22. Qf2 $18 {and White stays clearly on top.}) 22... Nf8 23. a3 Be5 24. b4 axb4 25. axb4 Bxb5 26. Nxb5 Na6 27. Qd2 Qf6 28. c5 (28. Bd4 $11) 28... Red8 $15 {Hoping for ...dxc5.} 29. Qf2 dxc5 (29... Nxb4 $5 {[%cal Rd6c5]} 30. Nxc7 Ra3 $11) 30. bxc5 Nd7 31. Re2 (31. Qc2 $15) 31... Qe7 ({Black should play} 31... Ndxc5 $17 32. Rxd8+ Rxd8 33. Bxc5 c6) 32. Red2 (32. c6 $5 bxc6 33. Nd4 $11) 32... Nf6 33. Bd4 {With the idea Bxe5.} Re8 34. Be3 (34. Rc1 $15) 34... Nh5 $17 35. Kg1 Bxg3 36. Qf3 Bf4 37. Rd7 Bxe3+ 38. Qxe3 Qe5 39. Qb3 (39. Qd4 {was necessary.}) 39... Qxc5+ $19 40. Kh1 Re7 41. Nc3 {[#] White wants to play Rxe7.} Rxd7 $1 42. Rxd7 Rf8 43. Nd5 (43. Qb2 {is a better defense.} Qe5 44. Rd2) 43... Qc1+ 44. Kh2 Nc5 {[%mdl 64] Double Attack} 45. Qd1 Qxd1 46. Ne7+ Kg7 47. Rxd1 Re8 48. Nd5 c6 {Black is clearly winning.} 49. Nc3 Nf4 50. Bf3 Nfd3 {Accuracy: White = 34%, Black = 66%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.24"]
[White "Ragger, Markus"]
[Black "Sadhwani, Raunak"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2684"]
[BlackElo "2479"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,59,22,26,40,28,29,19,36,12,23,0,43,14,45,41,32,32,40,45,45,29,68,0,-10,-7,145,146,141,142,156,153,152,151,155,150,173,176,181,170,281,268,373,372,363,365,363,356,379,402,524,408]} 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Nf6 5. Qe2 Nxe4 6. Qxe4 Be6 {B11: Caro-Kann: Two Knights Variation} (6... Qa5 7. Qh4 Nd7 8. Bc4 Ne5 9. Be2 Nxf3+ 10. Bxf3 Bf5 11. O-O Bxc2 12. d4 e6 13. Qg3 Bg6 14. h4 {1-0 (48) Wei,Y (2721)-Vachier Lagrave,M (2774) chess.com INT 2019}) 7. b3 Nd7 8. Bb2 Nf6 {The position is equal.} 9. Qe2 Bf5 10. Ne5 $146 ({Predecessor:} 10. Nh4 Bg4 11. f3 Bd7 12. g3 e6 13. Nf5 Qa5 14. Ne3 {½-½ (75) Harika,D (2498)-Khotenashvili,B (2477) Khanty-Mansiysk 2018}) 10... Qd5 11. O-O-O (11. c4 $5 {[%cal Rc4d5]} Qe6 12. Rd1 $14) 11... Qe4 {[%csl Gf5][%cal Re4c2]} (11... e6 {keeps more tension.} 12. d3 h5 13. Nc4 Be7 14. Ne3 Qc5) 12. d3 Qxe2 $1 13. Bxe2 h5 14. h3 h4 15. Bf3 $36 {[%mdl 2048] Black must now prevent Nxc6! White fights for an advantage.} Rc8 16. g4 (16. Rde1 $14) 16... hxg3 $1 $11 17. fxg3 g6 $2 (17... Rxh3 $11 18. Rxh3 Bxh3) 18. g4 $16 Bh6+ 19. Kb1 Be6 20. h4 Bg7 {[#]} 21. Rde1 $1 Bd5 22. g5 Nh5 23. Bg4 Rd8 24. Rhf1 {And now c4 would win.} Rg8 {[#]} (24... Bxe5 $142 25. Bxe5 Rh7) 25. Ba3 $1 $18 Bf8 26. c4 Be6 27. Bxe6 fxe6 28. Rf3 Rd4 29. Ref1 Rxh4 {[#]} 30. Rxf8+ $1 {[%mdl 512] Accuracy: White = 57%, Black = 35%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.24"]
[White "Durarbayli, Vasif"]
[Black "Danielian, Elina"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2617"]
[BlackElo "2385"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,67,29,22,24,20,36,29,23,17,34,0,0,0,57,57,57,52,58,58,86,81,82,82,80,80,75,82,185,178,170,185,189,187,202,197,227,227,243,232,379,396,385,361,370,298,566,554,800,777,851,847,822,785,1662,1620,29990,1310]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O h6 7. Nbd2 Ne7 {B12: Caro-Kann: Advance Variation} 8. Re1 (8. Nb3 g5 9. a4 Bg7 10. a5 O-O 11. c3 Qc7 12. h4 g4 13. Ne1 h5 14. Nd3 Ng6 {0-1 (47) Alekseenko,K (2668)-Artemiev,V (2757) Izhevsk 2019}) 8... Qc7 9. b3 Ng6 $146 {White has an edge.} ({Predecessor:} 9... g5 10. Nf1 O-O-O 11. a4 Bh7 12. b4 Kb8 13. c3 Ng6 14. Ng3 Ne7 15. Nd2 {½-½ (58) Kubacsny,L (2335)-Kallai,G (2505) Hungary 1999}) 10. Bf1 Be7 11. c4 O-O 12. h3 Nh4 ({Black should play} 12... f6 $11) 13. Nxh4 $14 Bxh4 14. Ba3 {Strongly threatening Nf3.} Rfe8 15. Bd6 Qd8 16. c5 a5 17. a3 b6 18. Nf3 Be7 19. b4 {[%cal Bb3b4,Bb4b5][%mdl 32]} Qc8 (19... a4 $16) 20. b5 $1 $18 bxc5 21. dxc5 Nxc5 22. Rc1 $1 Ne4 23. Rxc6 Qd7 {[%cal Re4d6] [#]} 24. Bxe7 $1 Qxe7 25. Qc1 f6 (25... Reb8 $142 26. Nd4 Bg6) 26. Rc7 Qf8 27. Qb2 Rab8 28. Rec1 a4 $2 (28... Rb6 {was called for.} 29. exf6 Qxf6 30. Qxf6 Nxf6) 29. b6 fxe5 30. Nxe5 Qf6 31. Rf7 Rxb6 32. Qd4 Qg5 33. Rcc7 {White threatens Ng6 and mate.} Rb1 {[#]} 34. h4 {Accuracy: White = 81%, Black = 22%.} (34. Ng6 $142 $1 {[%mdl 512]} Rxf1+ (34... Bxg6 35. Qxg7#) 35. Kxf1 Qc1+ 36. Rxc1 e5 37. Nxe5 Bd7 38. Rxd7 Kh7 39. Rcc7) 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.25"]
[White "Sethuraman, S.P."]
[Black "Korobov, Anton"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2624"]
[BlackElo "2679"]
[Annotator "TA"]
[PlyCount "207"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,207,18,62,53,42,39,42,39,45,48,55,56,60,43,52,45,47,58,61,46,46,46,52,52,56,35,52,54,53,39,54,0,55,56,57,57,64,0,0,19,30,-7,-6,-18,-6,-18,0,-20,-22,-14,0,0,0,0,0,-11,-8,-13,0,0,7,-29,-37,-26,-41,-55,-43,-60,-47,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-64,-105,-105,-105,-105,-103,-103,-100,-89,-123,-135,-119,-119,-129,-149,-115,-108,-108,-108,-108,-114,-183,-172,-146,-185,-166,-117,-117,-105,-135,-131,-135,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-104,-111,-104,-104,-104,-104,-104,-111,-104,-104,-97,-104,-104,-104,-104,-104,-89,-104,-8,-104,-104,-104,-104,-104,-104,-104,0,-104,-104,-104,-104,-104,-104,-104,-8,-104,-42,-42,-8,-8,-8,-31,-8,-42,-31,-33,-22,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2 g5 9. b3 {B81: Sicilian Scheveningen: Keres Attack} Nbd7 10. Bb2 Ne5 11. Qd2 {White is slightly better.} Qc7 12. O-O-O Bd7 13. Nce2 {[%cal Bc3e2,Be2f4,Bf4d3][%mdl 32]} Be7 14. f4 gxf4 15. Nxf4 O-O-O 16. Kb1 {[#]} Rdg8 $146 ({Predecessor:} 16... Kb8) 17. Nd3 {And now Nxe5 would win.} Be8 $1 18. Rhf1 Nfd7 19. Nf4 Kb8 20. Qe2 Rh7 21. Nh5 Rg6 22. Rfe1 Bh4 23. Rf1 Be7 $1 24. Qf2 Nf6 25. Nf4 Rg8 26. Qe2 (26. Bh1 $14) 26... h5 27. gxh5 Rgh8 {[%cal Rf6h5]} 28. Qe1 (28. Bf3 $5) 28... Nxh5 29. Nd3 Rg8 30. Qf2 Rhg7 31. Rg1 Nxd3 32. cxd3 Nf4 33. Qxf4 Rxg2 34. Rxg2 Rxg2 35. Qf3 Rg8 36. Ne2 Qc5 37. Bd4 Qb5 38. Rg1 Rxg1+ 39. Bxg1 f5 40. exf5 Bc6 $1 {[%cal Rc6f3]} 41. Qg3 Qxf5 42. Nd4 Qf1+ 43. Kc2 Bd7 44. Qg7 Qf6 45. Qxf6 Bxf6 $15 {[%mdl 4096] Endgame KBB-KBN} 46. Nf3 $1 e5 47. h4 Bg4 48. Nh2 Bh5 49. Bf2 Kc7 50. Nf1 d5 51. Nd2 Kd6 52. Kc3 Be2 53. b4 Ke6 54. Nb3 d4+ 55. Kc2 Bf3 56. Nc5+ Kf5 57. a4 Be7 58. Bg3 {[#]} (58. a5 $17) 58... a5 $1 $19 {[%mdl 512]} 59. Be1 (59. bxa5 Bxc5) 59... axb4 60. Bxb4 Bxh4 61. a5 Bc6 62. a6 bxa6 63. Nxa6 Kf4 64. Bd6 Bf6 65. Kd2 Kf3 66. Nc5 Bg5+ 67. Kc2 Bf4 68. Bb8 Kg4 69. Bc7 Kf5 70. Bd6 Bg5 71. Kd1 Bd8 72. Ke2 Ba5 73. Nb3 Bc3 74. Nc5 Bb5 75. Ne4 Ba5 76. Nc5 Be8 77. Kd1 Bh5+ 78. Kc2 Bf3 79. Nb3 Bd8 80. Nc5 Bg5 81. Bf8 Bf4 82. Bd6 Kg4 (82... Bd5 $17 {Threatening ...Bg3.} 83. Kb2 Bh6) 83. Ne6 (83. Nd7 $1 $11 {remains equal.}) 83... Bg3 $17 84. Nc5 Bc6 85. Kd2 Kf3 86. Bb8 Bf4+ 87. Kc2 Ke2 88. Bd6 Bg3 89. Bc7 Bf3 90. Nb3 {[#]} Ke3 (90... Kf2 $1 $17 {Strongly threatening ...Bd5.} 91. Nc5 Ke3) 91. Nc5 {[#]} (91. Nd2 $11) 91... Bg4 ({Better is} 91... Bd5 $1 $17 {aiming for ...Bh2.} 92. Bd6 Bf7) 92. Bd6 Ke2 {Hoping for ...Bf5.} 93. Nb3 Kf2 {White must now prevent ...Bf5.} 94. Bc7 Be2 {Black wants to play ...Ke3.} 95. Nc5 Ke3 96. Bd6 Bh2 97. Bc7 {The position is equal.} Kf2 98. Ne4+ Ke1 99. Ba5+ Kf1 {White should prevent ...Bg4.} 100. Bc7 Bf3 {Threatens to win with ...Bxe4.} 101. Nc5 Bg4 102. Nb3 Kg2 103. Bd6 Bf5 104. Nc5 {Accuracy: White = 67%, Black = 62%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.25"]
[White "Lei, Tingjie"]
[Black "Hansen, Eric"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "2469"]
[BlackElo "2611"]
[Annotator "TA"]
[PlyCount "46"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,46,6,8,-8,-4,0,0,-16,0,-1,4,-56,-8,-67,-61,-102,-85,-105,-127,-95,-94,-185,-179,-250,-243,-241,-249,-563,-558,-533,-551,-6175,-4002,-6257,-5363,-3484,-2807,-2835,-2478]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 5. e4 c5 6. Nf3 {E32: Nimzo-Indian: Classical (4 Qc2): 4...0-0} cxd4 7. Nxd4 O-O 8. Bd2 $146 {The position is equal.} ({Predecessor:} 8. Bd3 Bc5 9. Nb3 Nc6 10. O-O h6 11. Qe2 e5 12. Nd5 Nxd5 13. cxd5 {½-½ (28) Kotanjian,T (2462)-Martirosyan,H (2635) Jermuk 2019}) 8... Nc6 9. Nxc6 bxc6 10. O-O-O (10. Be2 $11) 10... d5 11. exd5 ({White should try} 11. f3 $11) 11... cxd5 $15 12. cxd5 exd5 13. Bd3 Bd7 14. Kb1 Rc8 {Strongly threatening ...d4.} 15. Qb3 (15. Be3 $17 {was called for.}) 15... Rb8 $1 $19 16. Bg5 {[#]} (16. Bf4 {is a better defense.} Bd6 {[%mdl 64] Discovered Attack} 17. Bxd6 Rxb3 18. axb3) 16... d4 $1 {aiming for ...Bxc3.} 17. Bxf6 gxf6 ({Don't take} 17... Qxf6 18. Nd5 $17) 18. Bxh7+ $2 (18. Nb5 Qa5 19. Nxd4) 18... Kxh7 {Black is clearly winning.} 19. Qc2+ Kg7 {Threatens to win with ...Bxc3.} 20. Qd3 {intending Qg3+.} Bxc3 21. Qg3+ Kh6 22. Qh4+ {[#]} Kg6 $1 23. Qg3+ Kh5 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.26"]
[White "Narayanan.S.L"]
[Black "Cheparinov, Ivan"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2611"]
[BlackElo "2670"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,79,15,19,2,16,8,13,6,16,7,3,0,0,0,0,0,0,-16,0,0,8,0,0,0,20,17,11,12,14,12,29,43,50,16,13,15,11,0,0,0,0,0,14,0,25,31,11,21,48,34,41,13,21,21,23,14,35,0,0,0,0,-1,-2,-4]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. O-O O-O 10. Re1 {B92: Sicilian Najdorf: 6 Be2} (10. Qd3 Nbd7 11. Nd5 Bxd5 12. exd5 h5 13. Kh1 Ng4 14. Bxg4 hxg4 15. f3 Nf6 16. f4 exf4 17. Rxf4 Qd7 18. Raf1 Rae8 19. c4 Nh7 20. R4f2 {½-½ (35) Fedoseev,V (2664)-Ganguly,S (2658) Khanty-Mansiysk 2019}) 10... Nbd7 11. a4 Qc7 12. a5 Rfc8 13. Bf3 h6 14. Nd2 b5 15. axb6 $1 Nxb6 {[#]} 16. Ra5 $146 ({Predecessor:} 16. Nf1 a5 17. Ng3 Bf8 18. h3 Rcb8 19. Bc1 a4 20. Nh5 Nxh5 21. Bxh5 {½-½ (46) Castellanos Rodriguez,R (2509)-Santos Latasa,J (2452) Linares 2013}) 16... Bd8 17. h3 Nc4 18. Nxc4 Bxc4 19. Ra4 Rab8 20. Qa1 Qb7 21. b3 Bb5 22. Ra2 Bc6 23. Qd1 Qb4 24. Bd2 Qb7 25. Qe2 a5 26. Qd3 Bb6 27. Be3 Bxe3 28. Rxe3 Qb4 29. Qd2 Bb5 30. Qe1 Rc5 31. Nxb5 Qxb5 32. Be2 Qb4 33. Qxb4 Rxb4 34. Bd3 Nd7 35. Bc4 Kf8 36. Rd3 Ke7 37. c3 Rb8 {The position is equal.} 38. Rd5 Rxd5 39. Bxd5 Nb6 40. Rxa5 {Accuracy: White = 59%, Black = 67%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.26"]
[White "Soumya, Swaminathan"]
[Black "Efimenko, Zahar"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2365"]
[BlackElo "2604"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,79,22,0,33,27,25,8,38,25,56,57,48,37,25,9,61,43,92,52,139,131,116,100,132,136,135,164,158,99,178,186,155,158,1087,1060,2047,1628,29992,29962,1641,311,1177,1179,1146,1152,1082,954,29984,5812,29985,29986,29986,29987,29994,29995]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. e3 Be7 8. Bb5+ c6 9. Bd3 Nxc3 10. bxc3 Nd7 11. e4 c5 12. Qe2 Qc7 13. O-O O-O 14. Bb2 c4 {E12: Queen's Indian: Unusual White 4th moves, 4 a3, 4 Nc3 Bb7 5 a3 and 4 Nc3 Bb7} (14... Rfd8 15. Nd2 Ne5 16. Bb1 Nc6 17. Nf3 Bf6 18. Rd1 Rd7 19. Ba2 Na5 20. g3 Rad8 21. Rd2 Qc8 22. Rad1 Ba6 {1-0 (56) Wang,H (2735)-Leko,P (2730) Beijing 2013}) 15. Bc2 b5 16. a4 a6 {The position is equal.} 17. Rfb1 Rab8 $146 ({Predecessor:} 17... Nb6 18. Ba3 Bxa3 19. Rxa3 Nxa4 20. Bxa4 bxa4 21. Rxa4 Qc6 22. Rba1 Qxe4 23. Qxe4 Bxe4 {½-½ (59) Thompson,B (2321)-Meissner,R (2373) ICCF email 2006}) 18. Bc1 Ba8 19. axb5 axb5 20. Ra6 Nf6 (20... b4 $11) 21. Bg5 Rfe8 22. h3 g6 (22... Qb7 $14 23. Rba1 Nxe4 24. Bxe7 Nxc3) 23. Qe3 $16 Nh5 24. Bh6 b4 25. cxb4 Rxb4 26. Rxb4 Bxb4 27. Ne5 (27. Ra4 $142 Bd6 28. Qc3) 27... c3 (27... f6 $16 {might work better.} 28. Ng4 c3) 28. g4 $18 Ng7 29. Qf4 $40 {[%mdl 128] White wants a kill.} f5 $2 (29... Bf8 $16 30. Ra4 f5) 30. gxf5 gxf5 31. exf5 {f6 would kill now.} Nxf5 32. Qg5+ Ng7 {[#]} 33. Qf6 $2 (33. Rxe6 $3 {[%mdl 512]} Rxe6 {[#]} 34. Bb3 $1 {[%mdl 512]}) 33... Qe7 $2 {[#]} (33... Bd5 34. Nc6 Bxc6) 34. Bxh7+ $1 {[%mdl 512]} Kxh7 35. Qg6+ Kg8 {[#]} 36. Rxe6 $1 {[%mdl 576] Pin} Qb7 (36... Qxe6 37. Qxg7#) 37. Rxe8+ Bf8 38. d5 {White mates.} c2 39. Ng4 Qb1+ {[#]} 40. Kh2 $1 {Accuracy: White = 78%, Black = 22%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.27"]
[White "Leko, Peter"]
[Black "Akopian, Vladimir"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2670"]
[BlackElo "2638"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,69,17,46,23,23,30,19,19,21,19,24,26,22,20,24,22,29,28,33,45,27,34,32,30,23,23,23,12,70,30,59,40,38,29,41,25,31,10,4,2,4,12,5,0,0,0,0,0,-3,-4,0,0,0,0,0,0,0,0,0,0,0,-6]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 c5 {[%mdl 64] [#] Decoy} 6. dxc5 {B12: Caro-Kann: Advance Variation} Bxc5 7. Nxc5 Qa5+ 8. c3 Qxc5 9. Be3 Qc7 10. f4 Ne7 11. Be2 O-O 12. Nf3 Nbc6 13. O-O {[#]} f6 $146 14. exf6 Rxf6 15. g3 h6 16. Rc1 Be4 17. c4 Rd8 18. cxd5 exd5 (18... Nxd5 $11 19. Qb3 Qf7) 19. Bd4 Rff8 20. b4 {[#] Black must now prevent b5.} Qd7 21. Bc5 b6 ({Don't blunder} 21... Qh3 $2 22. b5 $18) 22. Bxe7 Nxe7 23. Nd4 Nf5 {Hoping for ...Ne3.The position is equal.} 24. Bg4 Qd6 {Threatens to win with ...Ne3.} 25. Bxf5 Bxf5 26. Qd2 Bd7 27. f5 Rde8 28. Rf4 Re4 29. Rcf1 Rxf4 30. Rxf4 Re8 31. a3 Re4 32. Rxe4 dxe4 33. Qe3 Qd5 34. g4 g6 35. Ne2 {Accuracy: White = 69%, Black = 84%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.27"]
[White "Munguntuul, Batkhuyag"]
[Black "Christiansen, Johan-Sebastian"]
[Result "1/2-1/2"]
[ECO "C11"]
[WhiteElo "2421"]
[BlackElo "2558"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:00:00]} e6 {[%emt 0:04:39]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:44]} 4. e5 {[%emt 0:00:03]} Nfd7 {[%emt 0:00:04]} 5. f4 {[%emt 0:00:11]} c5 {[%emt 0:00:02]} 6. Nf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:07]} 7. Be3 {[%emt 0:00:06]} Be7 {[%emt 0:01:07]} 8. a3 {[%emt 0:02:33]} Qb6 {[%emt 0:04:41]} 9. Be2 {[%emt 0:11:36]} O-O {[%emt 0:12:46]} 10. O-O {[%emt 0:08:53]} cxd4 {[%emt 0:07:09]} 11. Nxd4 {[%emt 0:24:10]} Bc5 {[%emt 0:04:53]} 12. Ncb5 {[%emt 0:02:08]} Nxd4 {[%emt 0:11:59]} 13. Bxd4 {[%emt 0:15:59]} a6 {[%emt 0:08:17]} 14. b4 {[%emt 0:00:38]} Bxd4+ {[%emt 0:16:55]} 15. Nxd4 {[%emt 0:00:12]} f6 {[%emt 0:02:11]} 16. Bg4 {[%emt 0:19:50]} Nxe5 {[%emt 0:27:59]} 17. fxe5 {[%emt 0:01:19]} fxe5 {[%emt 0:00:01]} 18. Rxf8+ {[%emt 0:01:22]} Kxf8 {[%emt 0:00:01]} 19. Qf3+ {[%emt 0:10:44]} Ke7 {[%emt 0:00:02]} 20. Rf1 {[%emt 0:00:40]} Qxd4+ {[%emt 0:00:17]} 21. Kh1 {[%emt 0:00:02]} Bd7 {[%emt 0:03:56]} 22. Qf7+ {[%emt 0:00:03]} Kd6 {[%emt 0:00:05]} 23. Qxg7 {[%emt 0:00:28]} Rc8 {[%emt 0:00:46]} 24. Bd1 {[%emt 0:01:07]} Qe4 {[%emt 0:01:07]} 25. Qg3 {[%emt 0:08:22]} Qg6 {[%emt 0:00:20]} 26. Qf2 {[%emt 0:00:44]} d4 {[%emt 0:00:15]} 27. Re1 {[%emt 0:00:41]} Qf5 {[%emt 0:00:43]} 28. Qh4 {[%emt 0:01:09]} Bc6 {[%emt 0:00:49]} 29. Qg3 {[%emt 0:00:38]} Rf8 {[%emt 0:01:15]} 30. h3 {[%emt 0:00:03]} Rf6 {[%emt 0:00:44]} 31. c4 {[%emt 0:00:33]} Rg6 {[%emt 0:00:41]} 32. Bg4 {[%emt 0:00:14]} Qf4 {[%emt 0:00:17]} 33. Qh4 {[%emt 0:00:22]} Qf6 {[%emt 0:00:52]} 34. Qxh7 {[%emt 0:00:32]} Rg7 {[%emt 0:00:16]} 35. Qh8 {[%emt 0:00:12]} Kc7 {[%emt 0:00:28]} 36. Qh5 {[%emt 0:01:27]} Rg5 {[%emt 0:00:09]} 37. Qh7+ {[%emt 0:00:08]} Rg7 {[%emt 0:00:06]} 38. Qh5 {[%emt 0:00:01]} Rg5 {[%emt 0:00:50]} 39. Qh7+ {[%emt 0:00:02]} Kb8 {[%emt 0:00:16]} 40. b5 {[%emt 0:02:01]} axb5 {[%emt 0:00:34]} 41. cxb5 {[%emt 0:50:07]} Bxb5 {[%emt 0:12:02]} 42. Bf3 {[%emt 0:00:00]} Ba6 {[%emt 0:11:31]} 43. Qd7 {[%emt 0:00:00]} Rf5 {[%emt 0:06:04]} 44. Qd6+ {[%emt 0:00:00]} Ka7 {[%emt 0:00:24]} 45. Qc5+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:52]} 46. Qd6+ {[%emt 0:00:00]} Ka7 {[%emt 0:00:06]} 47. Qc5+ {[%emt 0:00:00]} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.28"]
[White "Saric, Ivan"]
[Black "Rakhmanov, Aleksandr"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "2667"]
[BlackElo "2621"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,92,35,35,32,41,27,20,23,49,37,31,31,62,44,72,64,71,74,79,76,90,82,67,77,99,107,91,82,112,93,116,115,121,115,125,127,119,119,119,121,129,129,158,119,106,100,148,122,139,137,126,120,123,61,75,8,10,8,14,44,45,0,0,-78,-107,-268,-254,-329,-240,-217,-220,-620,-641,-1031,-990,-764,-569,-755,-693,-627,-616]} 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bd3 O-O 8. O-O {C42: Petroff Defence: 3 Nxe5 and unusual White 3rd moves} Nc6 9. h3 Nb4 10. Be2 {The position is equal.} c6 $146 ({Predecessor:} 10... Bf5 11. a3 Nbd5 12. Nxd5 Nxd5 13. c4 Nf6 14. Qb3 a5 15. a4 Re8 {½-½ (93) Grischuk,A (2764)-Giri,A (2720) Beijing 2012}) 11. a3 Nbd5 12. Nxd5 cxd5 13. Ne1 Bf5 14. Nd3 Ne8 15. Nf4 Nc7 16. Bf3 Be4 17. Re1 f5 18. Bh5 g6 {[#]} 19. Bxg6 $1 {[%mdl 512]} hxg6 20. Nxg6 Rf6 {[#]} 21. Nf4 $1 Ne6 22. f3 Nxf4 23. Bxf4 Qe8 24. fxe4 dxe4 25. Re3 Rg6 26. Qe2 Qf7 27. Rf1 Qg7 28. c3 Rf8 29. Kh1 Bg5 30. Rg3 {Hoping for Qh5.} Bxf4 {[#]} 31. Rxg6 $1 Qxg6 32. Rxf4 $16 {[%mdl 4096] Endgame KQR-KQR} Qg3 33. Rf1 ({Better is} 33. Qf1 $16) 33... Kg7 $14 34. c4 ({White should try} 34. Qb5 $16) 34... Kg6 $11 35. Kg1 Rh8 {And now ...Rxh3 would win.} 36. Qf2 Qxf2+ 37. Rxf2 $14 {KR-KR} Kg5 38. Re2 (38. Rf1 $11 {remains equal.}) 38... Kf4 $17 39. Rf2+ $2 (39. Kf2 $17) 39... Ke3 $19 40. Rxf5 Kd2 41. Rf2+ Kd3 42. Rf4 $2 (42. Kf1 e3 43. Re2) 42... e3 {Black is clearly winning.} 43. d5 {[#]} b5 $1 {[%mdl 512]} 44. cxb5 Rc8 {aiming for ...Rc1+.} 45. Rf1 e2 46. Ra1 Kd2 {Accuracy: White = 49%, Black = 72%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.28"]
[White "Gavrilescu, David"]
[Black "Dubov, Daniil"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "2451"]
[BlackElo "2699"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,72,43,31,20,24,16,28,25,22,22,22,0,12,17,12,0,0,0,18,27,28,0,0,0,0,0,0,0,0,0,39,6,45,25,66,67,54,63,76,84,74,58,207,235,199,138,145,141,121,25,40,0,69,54,201,83,506,463,435,117,154]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 a6 6. Bxc6 dxc6 7. d3 Nf6 8. Re1 {B31: Sicilian: 2...Nc6 3 Bb5 g6} O-O 9. h3 b6 {[%cal Bb7b6,Bb6b5][%mdl 32]} 10. Bf4 {White has an edge.} (10. d4 cxd4 11. cxd4 c5 12. d5 Bb7 13. Nc3 b5 {½-½ (13) Peng,X (2624)-Pigusov,E (2610) Shanghai 2000}) 10... Re8 $146 ({Predecessor:} 10... Ne8 11. Be5 a5 12. d4 cxd4 13. cxd4 Nc7 14. Bxg7 Kxg7 15. Nc3 Bb7 16. Qb3 b5 {1-0 (42) Moreno Carnero,J (2514)-Galvan,J (2187) Madrid 2001}) 11. Na3 Nd7 12. Nc4 e5 13. Bg3 b5 $1 {[%cal Rb5c4]} 14. Ne3 Nb6 15. Qc2 a5 16. Rad1 Qe7 17. Bh4 Qe6 18. Ng5 Qd6 19. Nf3 Qe6 20. Ng5 Qd7 21. Nf3 h5 22. d4 $36 {[%mdl 2048] Black is under pressure.} exd4 23. cxd4 c4 24. Ne5 Qc7 25. Bg3 {[%cal Re5c4] Strongly threatening N5xc4.} Qb7 26. f4 Nd7 27. f5 c5 (27... Nxe5 $14 28. Bxe5 f6) 28. Nxf7 $1 $18 {Threatens to win with Nd6.} (28. fxg6 $6 fxg6 29. Nxd7 (29. Nxg6 cxd4 30. Nf5 d3 $11) 29... cxd4 $16) 28... Qxe4 (28... Kxf7 $6 29. Nxc4 $1 {[%mdl 512]} Ra6 30. fxg6+ Rxg6 31. Nd6+ Rxd6 32. Bxd6) 29. Qc1 (29. fxg6 $6 Qxc2 30. Nxc2 Rxe1+ 31. Bxe1 Ba6 $16) (29. Qf2 $18 Kxf7 30. fxg6+ (30. Nxc4 Bxd4 31. Nd6+ {[%mdl 64] Pin} Kg8 $16) 30... Kxg6 31. Nc2) 29... Bxd4 $16 ({Don't blunder} 29... Kxf7 $2 30. Nxc4 Bxd4+ 31. Kh2 $18) 30. Rxd4 Qxd4 (30... cxd4 $2 {perishes.} 31. Nxc4 Qxe1+ 32. Bxe1 $18) 31. fxg6 (31. Nd6 $1 $16 {[%cal Rd6e8]} Bb7 32. Nxb5 (32. Nxb7 $2 Ne5 $19)) 31... Nf8 $1 $11 32. Bf2 Qg7 (32... Qd3 $1 $11 33. Nh6+ Kg7 {[%mdl 64] Double Attack}) 33. Nd5 $14 Be6 {[#]} (33... Rxe1+ $14 34. Bxe1 Qd4+ {[%mdl 64] Double Attack} 35. Bf2 Qxd5) 34. Nc7 (34. Re5 $1 $18 Bxd5 35. Rxd5) 34... Nxg6 $2 {[%mdl 8192] [#]} (34... Qxg6 $16 {is tougher.} 35. Ng5 Rac8 36. Nxe8 Rxe8) 35. Nh6+ $1 $18 Kh7 36. Nf5 $2 (36. Nxe6 $18 {and the rest is easy.} Qxh6 37. Be3) 36... Bxf5 {Accuracy: White = 60%, Black = 47%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.29"]
[White "Eljanov, Pavel"]
[Black "Abasov, Nijat"]
[Result "1/2-1/2"]
[ECO "B44"]
[WhiteElo "2663"]
[BlackElo "2632"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,69,17,6,5,16,6,11,27,24,26,27,23,26,44,35,47,31,42,52,89,22,27,33,26,41,43,39,50,39,34,43,30,19,35,32,29,0,6,0,18,0,0,-14,0,0,0,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 e6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bc5 {B44: Sicilian: Taimanov: 5 Nb5} (6... Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. h3 h6 11. Na4 d5 12. a3 Bd6 13. cxd5 cxd5 14. exd5 e4 15. Bc2 Qe7 16. Re1 Bf5 17. Nc3 Rab8 {½-½ (39) Artemiev,V (2746)-Le,Q (2708) Khanty-Mansiysk 2019}) 7. Nb3 Bb4 8. Bd3 d5 9. exd5 exd5 10. cxd5 Nxd5 11. O-O Nxc3 12. bxc3 Be7 $146 ({Predecessor:} 12... Bxc3 13. Rb1 Bd4 14. Ba3 Qc7 15. Re1+ Be6 16. Nc5 b6 17. Nxe6 fxe6 18. Bb5 Qd8 19. Qa4 {1-0 (19) Paldus,P (2015)-Maliszewski,J (1840) Cesky Krumlov 2010}) 13. Bf4 Be6 14. Re1 Qd7 15. Qf3 (15. Qc2 $16) 15... Rd8 $11 16. Rad1 Qc8 17. Nd4 Nxd4 18. cxd4 O-O $1 19. Be5 {[#] Rc1 is the strong threat.} Bd6 20. Qe4 {[%csl Gd3][%cal Re4h7]} f5 21. Qf4 Bxe5 22. Rxe5 Bxa2 23. h4 {[%cal Rd3f5]} Kh8 {The position is equal.} 24. Re7 {[#] Black must now prevent Rc1.} Rd7 25. Rde1 Qd8 26. Qg5 {[%csl Ge7][%cal Rg5g7]} Rxe7 27. Rxe7 {[%csl Ge7][%cal Rg5g7]} Qxd4 {Threatening ...h6.} 28. Rxb7 Bg8 29. h5 h6 30. Qe3 Qa1+ 31. Kh2 Qf6 32. Qe7 Qxe7 33. Rxe7 Bf7 34. Be2 Re8 35. Rxf7 {Accuracy: White = 67%, Black = 69%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.29"]
[White "Ushenina, Anna"]
[Black "Rodshtein, Maxim"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2431"]
[BlackElo "2684"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,121,30,31,25,18,20,28,15,23,26,19,14,14,10,18,18,0,0,0,0,-15,45,0,0,0,0,-10,0,0,0,0,0,0,-3,-13,0,0,0,-10,53,47,69,45,78,58,69,54,85,7,77,7,20,4,20,8,7,0,0,-82,-73,-75,-75,-97,0,0,0,-106,-8,-8,-8,-8,0,0,0,-5,0,0,0,-8,0,-9,0,0,0,-41,-22,-63,-42,-42,-61,-83,0,0,0,-50,-16,-14,0,0,0,0,0,0,29968,29969,29966,29964,6456,1902]} 1. d4 e6 2. e4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd8 7. O-O Nc6 8. Nb3 a6 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5} 9. Nbxd4 Nxd4 10. Nxd4 Bd6 {White has an edge.} 11. Bd3 Qc7 12. h3 Nf6 13. Re1 Bh2+ (13... O-O 14. Bg5 Be5 15. c3 h6 16. Nf3 Bxc3 {1-0 (51) Mamedov,R (2709)-Le,Q (2737) Huaian 2017}) 14. Kh1 {aiming for g3.} Bf4 15. Qf3 Bxc1 $1 16. Raxc1 O-O 17. Bf1 $146 ({Predecessor:} 17. c4 Rd8 18. Qe3 Qb6 19. Nb3 Qxe3 20. Rxe3 {0-1 (60) Mogranzini,R (2370)-Diotallevi,M (2122) Assisi 2006}) 17... b6 (17... Qb6 $11 18. Nb3 Bd7) 18. c4 Bb7 19. Qe3 Rfd8 20. Nb3 Rac8 21. Red1 a5 22. Rxd8+ Qxd8 23. Kg1 h6 24. Be2 Nd7 25. Rd1 Qe7 26. Nd4 {Nf5! is the strong threat.} Rc5 ({Black should play} 26... Rd8 $11) 27. b3 $14 Re5 28. Qd2 Nf6 29. Nf3 Bxf3 $1 30. Bxf3 Kf8 31. Kf1 (31. a4 $1 $16) 31... g5 (31... Rc5 $11 {remains equal.}) 32. Qd4 (32. a4 $16) 32... Qc7 33. a3 Ke7 34. b4 Rf5 35. Be2 Rf4 36. Qd3 (36. Qe3 $1 $11) 36... Ne4 $1 $17 {[%cal Re4f2]} 37. Bf3 Nd6 38. Be2 Ne4 39. Bf3 Nd6 40. Be2 $1 axb4 ({Black should try} 40... Nxc4 $17 41. Qb3 b5 42. bxa5 Qc5 $1 {[%mdl 512]}) 41. g3 $1 $132 {[%cal Rg3f4][%mdl 2048] [#] White is not keeping still} Qc6 $1 {[%cal Rc6h1][%mdl 512]} 42. f3 Rf6 43. axb4 Qc7 44. g4 Rf4 {[%cal Rd6c4]} 45. Rc1 Ne4 46. Kg2 Nf6 47. Ra1 h5 48. Ra8 h4 49. Qe3 Nd7 50. Kf1 Qd6 51. Rg8 Kf6 52. Rd8 Ke7 (52... Rd4 $17) 53. Rg8 Kf6 54. Rd8 $1 Qc7 55. Qc3+ Qe5 56. Qd3 Qa1+ 57. Kg2 Ne5 {[%mdl 64] Double Attack} 58. Qh7 {Black must now prevent Qh8+.} Ng6 $2 {[%mdl 8192]} (58... Qe1 $11 59. Qh8+ {[#]} Ke7 $1 {[%mdl 512]} 60. Qf8+ Kf6 $1 {[%mdl 512]} 61. Qh8+ Ke7 $1 {[%mdl 512]} 62. Qf8+ Kf6 $1 {[%mdl 512]} 63. Qh8+) 59. Rd7 Ke5 60. Qg7+ f6 61. Rd1 {Accuracy: White = 49%, Black = 47%.} (61. Qg8 $142 Rxg4+ 62. hxg4) 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.30"]
[White "Sjugirov, Sanan"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2662"]
[BlackElo "2608"]
[Annotator "RC"]
[PlyCount "101"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:02]} d6 {[%emt 0:00:00]} 3. d4 {[%emt 0:00:14]} cxd4 {[%emt 0:00:00]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:05]} 5. Nc3 {[%emt 0:00:06]} a6 {[%emt 0:00:05]} 6. h3 {[%emt 0:00:14]} e5 {[%emt 0:00:51]} 7. Nb3 {[%emt 0:00:33]} b5 {[%emt 0:08:06]} 8. a4 {[%emt 0:27:47]} b4 {[%emt 0:14:08]} 9. Nd5 {[%emt 0:01:18]} Be6 {[%emt 0:04:24]} 10. Bg5 {[%emt 0:11:08]} Nbd7 {[%emt 0:01:59]} 11. Nxb4 {[%emt 0:14:01]} Qb6 {[%emt 0:04:45]} 12. Nd5 {[%emt 0:04:41]} Nxd5 {[%emt 0:02:50]} 13. exd5 {[%emt 0:00:24]} Qb4+ {[%emt 0:00:15]} 14. c3 {[%emt 0:18:15]} Qe4+ {[%emt 0:00:11]} 15. Be3 {[%emt 0:00:40]} Bxd5 {[%emt 0:05:23]} 16. c4 {[%emt 0:08:53]} Bb7 {[%emt 0:02:49]} 17. Qd2 {[%emt 0:05:59]} Be7 {[%emt 0:07:45]} 18. Na5 {[%emt 0:00:04]} Bd8 {[%emt 0:08:47]} 19. Nxb7 {[%emt 0:02:04]} Qxb7 {[%emt 0:00:09]} 20. Be2 {[%emt 0:00:19]} Rb8 {[%emt 0:07:21]} 21. O-O {[%emt 0:00:29]} Bc7 {[%emt 0:06:52]} 22. Rfb1 {[%emt 0:01:29]} Qb4 {[%emt 0:06:38]} 23. Qxb4 {[%emt 0:02:33]} Rxb4 {[%emt 0:00:05]} 24. Bd2 {[%emt 0:00:05]} Ba5 {[%emt 0:02:05]} 25. Bxb4 {[%emt 0:03:21]} Bxb4 {[%emt 0:00:05]} 26. b3 {[%emt 0:03:55]} Ke7 {[%emt 0:00:29]} 27. Ra2 {[%emt 0:00:37]} Nc5 {[%emt 0:00:50]} 28. Bd1 {[%emt 0:00:42]} Ne4 {[%emt 0:01:27]} 29. Rc1 {[%emt 0:00:46]} Bd2 {[%emt 0:02:13]} 30. Rcc2 {[%emt 0:00:18]} Bb4 {[%emt 0:00:08]} 31. Rc1 {[%emt 0:00:11]} Nc5 {[%emt 0:01:37]} 32. Bc2 {[%emt 0:01:59]} g6 {[%emt 0:00:29]} 33. g3 {[%emt 0:00:42]} f5 {[%emt 0:00:44]} 34. Kg2 {[%emt 0:00:16]} Ne6 {[%emt 0:00:19]} 35. Bd1 {[%emt 0:01:21]} a5 {[%emt 0:00:17]} 36. Rb1 {[%emt 0:00:51]} Nd4 {[%emt 0:00:06]} 37. f3 {[%emt 0:00:56]} Kf6 {[%emt 0:00:26]} 38. Rf2 {[%emt 0:00:19]} g5 {[%emt 0:00:38]} 39. Bc2 {[%emt 0:00:25]} h5 {[%emt 0:00:59]} 40. Rh1 {[%emt 0:01:03]} h4 {[%emt 0:02:36]} 41. g4 {[%emt 0:03:38]} f4 {[%emt 0:00:50]} 42. Rb1 {[%emt 0:01:14]} Rb8 {[%emt 0:00:21]} 43. Be4 {[%emt 0:01:35]} Ke7 {[%emt 0:00:14]} 44. Rff1 {[%emt 0:02:25]} Kd7 {[%emt 0:00:44]} 45. Rfd1 {[%emt 0:00:30]} Kc7 {[%emt 0:00:56]} 46. Rd3 {[%emt 0:03:17]} Bc5 {[%emt 0:00:55]} 47. Kf1 {[%emt 0:00:33]} Nc2 {[%emt 0:01:18]} 48. Rd2 {[%emt 0:05:52]} Nd4 {[%emt 0:00:40]} 49. Rd3 {[%emt 0:00:12]} Bb4 {[%emt 0:01:23]} 50. Rbd1 {[%emt 0:01:58]} Bc5 {[%emt 0:01:56]} 51. Rb1 {[%emt 0:01:41]} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.30"]
[White "Movsesian, Sergei"]
[Black "Boruchovsky, Avital"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "2654"]
[BlackElo "2533"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,53,0,0,0,10,8,0,16,10,7,18,9,20,0,0,-11,0,-5,28,27,35,17,64,58,58,52,64,60,62,39,145,145,196,181,223,197,208,202,314,183,545,543,535,537,29973,886]} 1. e4 e5 2. Nf3 Nc6 3. g3 g6 (3... Nf6 4. d3 Bc5 5. Bg2 d6 6. c3 a6 7. O-O h6 8. a4 a5 9. Na3 O-O 10. Nc2 Ba7 11. h3 Be6 12. Be3 Bxe3 13. Nxe3 Qd7 {½-½ (83) Zvjaginsev,V (2644)-Kovalev,V (2661) Qingdao 2019}) 4. d4 exd4 5. Nxd4 Bg7 6. Ne2 {C44: Ponziani Opening and Scotch Gambit} Nf6 7. Bg2 O-O 8. O-O {The position is equal.} Re8 9. Nbc3 d6 10. h3 Bd7 11. Re1 {[#]} b5 $1 {[%mdl 512]} 12. Nxb5 $146 ({Predecessor:} 12. Nf4 Rb8 13. Ncd5 Nxd5 14. Nxd5 f5 15. h4 h6 16. Bd2 {1-0 (33) Priyadharshan,K (2376)-Koshy,V (2279) Mumbai 2011}) 12... Nxe4 13. Nf4 f5 14. Nd5 $36 {[%mdl 2048] White fights for an advantage.} Rc8 15. h4 Ne5 16. Rxe4 Bxb5 17. Bg5 Qd7 18. Re1 Bc6 19. h5 {aiming for h6.} h6 {[#]} (19... Kf8 $14) 20. Bxh6 $1 $16 {[%mdl 512]} Qf7 (20... Bxd5 $16 21. Qxd5+ (21. Bxd5+ Kh7 $16) 21... Kf8) (20... Bxh6 21. Nf6+) 21. hxg6 Nxg6 22. Qd2 {And now Bxg7 would win.} Bxb2 23. Rab1 {Black must now prevent Rxe8+.} Be5 {[#]} (23... Rxe1+ $142 24. Rxe1 Be5) 24. Qg5 (24. Nf6+ $142 $1 {[%mdl 512]} Qxf6 (24... Bxf6 25. Bxc6) 25. Bxc6) 24... Bg7 $2 (24... Kh8 {is more resistant.} 25. Qh5 Bxd5 26. Bxd5 Qxd5) 25. Rxe8+ $18 Rxe8 {[#]} 26. Nxc7 $1 {[%mdl 512]} Qxa2 (26... Qxc7 27. Bxc6) 27. Rc1 {Accuracy: White = 82%, Black = 39%.} (27. Bxc6 $142 Qxb1+ {[#]} 28. Kg2 $1 {[%mdl 512]} Re4 29. Qxg6 Qb2 30. Bd5+ Kh8 31. Qf7 Kh7 32. Qxf5+ {[%mdl 64] Double Attack} Kh8 33. Bxe4 Kg8 34. Qe6+ {[%mdl 64] Double Attack} Kh8 35. Qe8+ Bf8 36. Qxf8#) 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.31"]
[White "Puranik, Abhimanyu"]
[Black "Kasimdzhanov, Rustam"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "2571"]
[BlackElo "2657"]
[Annotator "TA"]
[PlyCount "138"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,138,28,4,22,12,24,8,15,15,18,16,21,0,12,2,5,11,33,-4,-7,-7,0,0,0,-26,-25,-35,-40,-46,-46,-35,-27,-33,-22,-27,-25,-59,-24,-33,-24,-39,-27,-69,-54,-64,-54,-82,-82,-82,-82,-82,-82,-82,-82,-82,-87,-222,-223,-222,-225,-225,-225,-214,-210,-206,-216,-262,-230,-217,-237,-231,-219,-256,-248,-248,-251,-252,-237,-252,-266,-257,-266,-270,-264,-264,-264,-356,-362,-2243,-2453,-12827,-12827,-12827,-12829,-12830,-12831,-12831,-12831,-12831,-12831,-12825,-12830,-12832,-12832,-12835,-12832,-12835,-12835,-12836,-12835,-12836,-12836,-12837,-12838,-12838,-12839,-12839,-12839,-12840,-12839,-12841,-12841,-12842,-12843,-12843,-12842]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O h6 7. Re1 O-O 8. h3 a6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} 9. a4 Ba7 10. Nbd2 Re8 {The position is equal.} 11. Nf1 $146 ({Predecessor:} 11. b4 Be6 12. Bxe6 Rxe6 13. Nf1 Ne7 14. Ng3 {½-½ (40) Wang,H (2711)-Aravindh,C (2581) Abu Dhabi 2018}) 11... Be6 12. Bxe6 Rxe6 13. Ng3 d5 14. b4 Ne7 15. Qb3 Ng6 16. Be3 (16. c4 {is interesting.} dxe4 17. dxe4 a5 18. b5 Bc5 19. Nf5) 16... Bxe3 17. Rxe3 c6 18. Ree1 Qc7 19. b5 dxe4 20. dxe4 cxb5 21. axb5 Rc8 22. bxa6 bxa6 23. Ra3 Nf4 24. Rea1 Nd7 25. c4 g6 26. Kh2 Nc5 27. Qe3 Kg7 28. Nf1 {[%cal Bg3f1,Bf1d2,Bd2b3][%mdl 32]} Rb6 29. N1d2 Nfe6 {[%cal Bf4e6,Be6d4,Bd4c2][%mdl 32]} 30. Nb3 Nd4 31. Nxc5 Nc2 $1 {[%cal Rc2e3]} 32. Qc3 {Hoping for Na4.} ({Don't go for} 32. Nxa6 $2 Rxa6 33. Qd3 Nxa3 $19) 32... Nxa3 33. Na4 Nxc4 34. Nxb6 Qxb6 35. Nxe5 {[#]} (35. Nd2 $17 Qe6 36. Nxc4 Rxc4 {[%mdl 64] Double Attack} 37. Qb3) 35... Qf6 $1 $19 {White must now prevent ...Rc6!} 36. Rc1 Nd6 37. Nc6 Qxc3 ({Don't take} 37... Nxe4 38. Qxf6+ Kxf6 39. Rc4) 38. Rxc3 Nxe4 {[%mdl 4160] Endgame Double Attack. KRN-KRN} 39. Re3 Nxf2 ({But not} 39... Rxc6 40. Rxe4 a5 41. Ra4 $17) 40. Nd4 Rd8 41. Nc6 Rd6 42. Na5 Nd3 43. Re7 Re6 44. Ra7 h5 45. Nb3 Rd6 46. Nd2 Nc5 47. Nf3 Kf6 48. Rc7 Ne6 49. Ra7 g5 50. h4 g4 51. Ng5 $2 (51. Ng1) 51... Nxg5 {Black is clearly winning.} 52. hxg5+ Kxg5 53. Rxf7 {KR-KR} a5 54. Rg7+ Kf4 55. Rf7+ Ke4 56. Ra7 Rd5 57. Kg3 Kd4 58. Kh4 {[#]} g3 $1 59. Kxg3 Rf5 60. Kh4 Kc4 61. g3 Kb4 62. Re7 Rc5 63. Rb7+ Rb5 64. Rf7 a4 {[%cal Ba5a4,Ba4a3][%mdl 32]} 65. Rf4+ Ka5 66. Rf3 Rc5 67. Re3 Kb4 68. Rf3 a3 69. Rf2 Ra5 {Accuracy: White = 50%, Black = 68%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.31"]
[White "Houska, Jovanka"]
[Black "Piorun, Kacper"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2430"]
[BlackElo "2643"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,90,11,14,0,0,8,0,5,0,10,12,20,0,6,0,0,3,23,0,0,0,0,0,18,0,0,0,0,-10,6,-67,-69,-76,-81,-64,-68,-56,-59,-61,-65,-81,-16,-13,-8,-8,-3,-16,-2,-2,0,0,0,0,0,-8,-8,-9,-33,-79,-79,-97,-97,-120,-40,-132,-132,-148,-130,-213,-222,-220,-187,-213,-213,-213,-213,-880,-561]} 1. d4 Nf6 2. Nf3 g6 3. g3 b6 4. c4 Bb7 5. Bg2 Bg7 6. O-O O-O 7. b3 c5 8. Bb2 cxd4 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 9. Bxd4 (9. Qxd4 Nc6 10. Qc3 Qc7 11. Rd1 Rad8 12. Qe1 d5 13. cxd5 Rxd5 14. Nc3 Rxd1 15. Nxd1 Rd8 16. Rc1 Bh6 17. e3 Qd7 18. Bxf6 exf6 {1-0 (56) Duda,J (2729)-Vachier Lagrave,M (2775) Paris 2019}) 9... d6 10. Bb2 Nbd7 {The position is equal.} 11. Nc3 Ne4 12. Rc1 Rc8 $146 ({Predecessor:} 12... Nxc3 13. Bxc3 Nf6 14. Qd4 Rc8 15. Nd2 Bxg2 16. Kxg2 Qc7 17. Qd3 Rfd8 18. e4 Qb7 19. Rfe1 {0-1 (39) Moreau,L (2004)-Primel,D (2127) Sautron 2004}) 13. Ne1 (13. Nd4 {is more complex.} Nxc3 14. Bxc3 Bxg2 15. Kxg2 Nf6 16. Nc2) 13... Bxc3 14. Bxc3 Nxc3 15. Rxc3 Qc7 16. Bxb7 Qxb7 17. Qd4 Nf6 18. Ng2 Rc5 19. b4 Re5 20. Rc2 Rc8 21. f3 b5 22. Rfc1 ({White should try} 22. c5 $1 $11) 22... bxc4 $15 23. Rxc4 Rxc4 24. Qxc4 a5 25. Qc8+ Qxc8 26. Rxc8+ {[%mdl 4096] Endgame KRN-KRN} Kg7 27. bxa5 Rxe2 (27... Rxa5 $17 28. Rc2 Nd5) 28. a4 $11 {[#] a6 is the strong threat.} Re5 29. Ra8 Rc5 {Threatening ...Nd5.} 30. Ne3 d5 31. a6 d4 32. Nd1 $1 Ra5 ({Much weaker is} 32... Rc1 $6 33. a7 $16) 33. Nb2 Nd5 34. a7 Nc3 35. Kf2 Nxa4 36. Nxa4 Rxa4 {KR-KR} 37. f4 Ra3 38. g4 h6 (38... Kf6 $17 39. Ke2 e6) 39. h3 (39. g5 $15) 39... Kf6 $17 40. Ke2 e6 41. Kf2 (41. Kd2 $17) 41... Ke7 $19 42. h4 {[#] With the idea g5.} Kf6 $1 43. Rd8 Rxa7 44. Rxd4 h5 45. Rb4 $2 (45. gxh5 gxh5 46. Kg3) 45... Ra2+ {Accuracy: White = 35%, Black = 75%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.32"]
[White "Volokitin, Andrei"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "C60"]
[WhiteElo "2627"]
[BlackElo "2748"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,78,8,10,20,12,10,7,8,17,8,15,16,22,19,31,19,62,13,14,15,19,8,12,0,0,-7,0,0,0,0,0,0,11,12,11,0,3,0,0,0,0,0,0,0,0,-14,-8,-8,-8,-8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Bg5 Be7 6. Bxe7 Qxe7 7. O-O Nf6 8. Re1 {C60: Ruy Lopez: Unusual Black 3rd moves and 3...g6} O-O 9. e5 (9. Bxc6 dxc6 10. Qxd4 Bg4 11. Nbd2 c5 12. Qe3 Rfe8 13. h3 Bxf3 14. Nxf3 Rad8 15. e5 Nd5 {0-1 (55) Savchenko,B (2634)-Galliamova,A (2456) Minsk 2017}) 9... Nh5 10. c3 d5 $146 ({Predecessor:} 10... dxc3 11. Nxc3 a6 12. Nd5 Qd8 13. Bc4 d6 14. Qd2 Bg4 15. exd6 Qxd6 16. Ng5 Ne5 17. Qd4 Nxc4 18. Ne7+ {1-0 (18) Vetoshko,V (1988)-Cherednichenko,E (2158) Chervonograd 2008}) 11. cxd4 Bg4 {[#] ...Bxf3 is the strong threat.} 12. Bxc6 bxc6 13. Nbd2 Nf4 14. h3 Bh5 15. Qb3 Bxf3 {The position is equal.} 16. Nxf3 Rfb8 17. Qe3 (17. Qc3 {keeps more tension.} Rb6 18. Rad1 a5 19. h4 Rab8 20. b3) 17... Ne6 18. b3 a5 19. Rec1 Rb6 20. h4 c5 21. dxc5 Rb4 22. c6 d4 23. Qh6 Rd8 24. Rd1 (24. Ng5 {seems wilder.} Nxg5 25. Qxg5 Kf8 26. Rc5 a4 27. Ra5) 24... Qf8 25. Qxf8+ Kxf8 26. Rd2 d3 27. Rc1 Rd5 28. g3 Nc5 29. Rcd1 a4 30. bxa4 Rxa4 31. Ng5 h6 32. Nh7+ Kg7 33. Nf6 Rxe5 34. Nd7 Rf5 35. Nxc5 Rxc5 36. Rxd3 Rxa2 37. Rf3 {White wants to play Rd7!} Rxc6 {[#]} 38. Rd7 $1 {[%mdl 512]} Rf6 39. Rxf6 Kxf6 {Accuracy: White = 61%, Black = 73%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.32"]
[White "Rakotomaharo, Fy Antenaina"]
[Black "Adly, Ahmed"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2428"]
[BlackElo "2636"]
[Annotator "TA RC"]
[PlyCount "90"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,200,13,20,30,0,0,0,0,0,26,16,31,30,18,13,19,20,26,18,21,14,18,8,42,30,51,35,56,51,73,48,37,38,38,24,21,0,0,0,0,0,0,0,0,-7,0,-51,-34,-72,-20,-39,-16,-16,-22,-16,-23,-25,-18,-144,-134,-132,-132,-250,-250,-270,-265,-245,-248,-243,-172,-187,-126,-110,-100,-92,-91,-102,-71,-68,-40,-65,-54,-65,-65,-64,0,-51,-10,-9,-10,-65,-65,-65,-65,-72,-72,-72,-65,-72,-64,-72,-72,-79,-72,-72,-72,-72,-72,-223,-76,-111,-112,-125,-122,-177,-108,-108,-106,-106,-106,-106,-106,-131,-111,-159,-137,-136,-120,-340,-111,-351,-345,-381,-166,-164,-164,-186,-186,-191,-146,-343,-325,-395,-379,-386,-387,-387,-362,-325,-175,-315,-302,-631,-630,-552,-514,-490,-413,-410,-357,-352,-345,-403,-342,-12838,-12839,-12848,-12848,-12851,-27999,-27996,-27996,-27997,-27996,-27997,-27997,-27998,-27995,-27996,-27996,-27997,-27997]} 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4 Nc6 5. Nf3 Bb4+ 6. Nbd2 Qe7 7. a3 Bxd2+ 8. Qxd2 Ngxe5 9. Nxe5 Nxe5 10. e3 d6 11. Rc1 O-O {A52: Budapest Gambit} 12. c5 (12. Be2 b6 13. O-O Bb7 14. Rfe1 Rfe8 15. Bg3 Nd7 16. Bd1 a5 17. b3 Qg5 18. Bc2 h5 19. f3 h4 20. Bf4 Qh5 21. h3 {½-½ (53) Stocek,J (2580)-Meduna,E (2460) Czechia 2006}) 12... dxc5 13. Qd5 Ng6 {The position is equal.} 14. Bg3 Rd8 15. Qxc5 Qxc5 16. Rxc5 c6 $1 17. h4 $146 ({Predecessor:} 17. Be2 Be6 18. Rc2 a5 19. Rd2 {1-0 (36) Gorelov,S (2455)-Majeric,Z (2310) Bela Crkva 1989}) 17... Nf8 18. h5 h6 19. Rh4 Be6 20. Rb4 Rd7 21. Be2 Rad8 22. e4 Rc8 23. Rc3 c5 24. Ra4 a6 25. Ra5 c4 26. f4 {Hoping for f5.} f6 27. f5 Bf7 28. e5 fxe5 29. Rxe5 b5 30. Bg4 Rd4 31. Bf3 Nd7 32. Re7 Nc5 33. Kf1 (33. Rce3 $11) 33... Nd3 34. b4 Rf8 (34... Rcd8 $1 $17) 35. Kg1 Bd5 {Strongly threatening ...Bxf3.} 36. Rd7 Rxf5 37. Rc2 $1 Rg5 38. Kh2 Kf8 39. Rd6 (39. Rd2 $11) 39... Ne5 $1 $36 {[%cal Re5f3][%mdl 2048] Keeping White busy.} 40. Bxe5 (40. Bxd5 $2 Ng4+ 41. Kh3 Rxh5+ 42. Bh4 Rxh4+ $1 {[%mdl 512]} 43. Kg3 Nf6 $19) 40... Rxe5 41. Rxa6 (41. Bxd5 $17 Rxh5+ 42. Kg3 Rhxd5 43. Rxa6) 41... Bxf3 $19 42. gxf3 $17 {[%mdl 4096] Endgame KRR-KRR} Rg5 {[%cal Rd4h4]} (42... Rxh5+ 43. Kg3 $17) 43. Kh3 Rd3 ({Much less strong is} 43... Rxh5+ 44. Kg3 $17) 44. Rf2 Rd1 ({Don't take} 44... Rxh5+ 45. Kg3) 45. Kh2 Rxh5+ {Played: Rd1-a1} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.33"]
[White "Bu, Xiangzhi"]
[Black "Alekseev, Evgeny"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2721"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,14,20,20,18,-5,12,11,9,11,16,-29,-8,-28,-23,-21,-22,-40,-36,-42,-27,-25,-27,-31,-26,-35,-32,-38,-39,-33,-40,-42,-43,-37,-33,-39,-40,-45,-34,-37,-20,-27,-10,-18,-16,-16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,18,17,18,19,26,33,33,33,34,0,0,0,8,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 e6 (4... Nf6 5. Nc3 e6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O O-O 10. h3 h6 11. Na4 d5 12. a3 Bd6 13. cxd5 cxd5 14. exd5 e4 15. Bc2 Qe7 16. Re1 Bf5 17. Nc3 Rab8 {½-½ (39) Artemiev,V (2746)-Le,Q (2708) Khanty-Mansiysk 2019}) 5. Nb5 d6 6. Bf4 {With the idea N1c3. A30: Symmetrical English: Double Fianchetto and Hedgehog} e5 7. Bg3 Be7 8. e3 Be6 $146 ({Predecessor:} 8... Nh6 9. f3 O-O 10. N5c3 Be6 11. Nd5 Bxd5 12. cxd5 {½-½ (36) Schandorff,L (2563)-Mamedyarov,S (2607) Istanbul 2003}) 9. Be2 Nh6 10. O-O Nf5 11. Nd2 g6 12. Ne4 O-O 13. h3 d5 14. cxd5 Bxd5 15. Nbc3 Nxg3 16. Nxg3 Be6 17. Qa4 Qa5 18. Qxa5 Nxa5 19. Rfd1 Rfd8 20. Bf3 Rac8 21. Nge2 f5 22. Bd5 Kf7 23. b3 Bb4 24. e4 Ke7 25. Bxe6 Rxd1+ (25... Kxe6 {with more complications.} 26. Rxd8 Rxd8 27. Rd1 Rxd1+ 28. Nxd1 h5) 26. Rxd1 Kxe6 27. Nd5 Bd6 28. exf5+ gxf5 29. f4 Rc2 30. fxe5 Bxe5 31. Nef4+ Bxf4 32. Nxf4+ $11 {[%mdl 4096] Endgame KRN-KRN} Ke5 33. Nd3+ Ke6 34. Nb4 Rb2 35. Rd4 Nc6 36. Nxc6 bxc6 {KR-KR} 37. Ra4 Ke5 38. Rxa7 Ke4 39. a4 Rxb3 {The position is equal.} 40. Rxh7 Ra3 41. Ra7 c5 42. h4 {Accuracy: White = 64%, Black = 74%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.33"]
[White "Zatonskih, Anna"]
[Black "Bachmann, Axel"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "2422"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,52,6,4,20,10,0,0,-16,2,-35,29,20,33,20,52,52,45,47,54,43,56,50,83,86,73,64,74,21,29,0,0,-125,-137,-127,-139,-320,-316,-313,-286,-602,-556,-29995,-29996]} 1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 b5 5. O-O Nbd7 6. a4 b4 7. c4 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4} bxc3 8. bxc3 Ba6 9. Ba3 {The position is equal.} Bd6 10. Re1 Ne4 $146 (10... Rc8 $15) ({Predecessor:} 10... O-O 11. Nfd2 Rc8 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 c5 {0-1 (29) Lugovskoy,M (2445)-Ter Sahakyan,S (2611) Bhubaneswar 2019}) 11. Nfd2 $11 f5 12. c4 Ndf6 13. Qc2 O-O 14. cxd5 exd5 15. Qc6 Qc8 16. Nxe4 fxe4 17. Bxd6 cxd6 18. Qxd6 Rb8 19. Na3 (19. Nd2 $16) 19... Rb6 20. Qe5 Qd7 21. Rec1 (21. Qg5 $11) 21... Ng4 $17 {[%mdl 1024] Black has strong compensation.} (21... Bxe2 $6 22. Rc7 $11) 22. Qc7 Qf5 $1 $36 {[%cal Rf5f2][%mdl 2048] White is under strong pressure.} 23. f4 $2 {[#]} (23. f3 $17 {is the only way for White.} Nxh2 24. Qe5 (24. Kxh2 Rh6+ 25. Kg1 Bxe2 $17) 24... Qxe5 25. dxe5 exf3 26. Kxh2 fxg2 27. Nb5) 23... Qh5 $1 $19 {[%cal Rh5h2]} ({Less strong is} 23... Bxe2 24. Rab1 $17) ({Weaker is} 23... exf3 24. exf3 Ne3 25. Qe5 $11) 24. h3 Ne3 25. g4 $2 {[#]} (25. Ra2 Nxg2 26. Kxg2 Bxe2 27. Kh2) 25... Qh4 $1 {[%cal Rh4g3] ( -> ...Qg3!)} 26. Nb5 {[#] intending f5.} Qg3 $1 {[%mdl 576] Double Attack. Accuracy: White = 28%, Black = 54%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.34"]
[White "Iturrizaga Bonelli, Eduardo"]
[Black "Henderson de La Fuente, Lance"]
[Result "1/2-1/2"]
[ECO "A33"]
[WhiteElo "2629"]
[BlackElo "2494"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,75,28,20,0,0,0,0,18,14,14,0,-42,-37,-29,-38,-54,-31,-46,81,81,89,34,27,27,29,28,27,29,47,48,33,34,41,8,8,10,21,12,11,0,0,0,0,0,0,0,4,0,22,18,22,27,27,25,78,0,0,0,4,0,0,0,0,0,0,0]} 1. c4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. g3 Qb6 7. Nf3 {A33: Symmetrical English: 2 Nf3 Nf6 3 d4 cxd4 4 Nxd4 e6 5 Nc3 Nc6} (7. Ndb5 a6 8. Nd6+ Bxd6 9. Qxd6 Qb4 10. Qxb4 Nxb4 11. Rb1 d5 12. a3 Nc2+ 13. Kd1 Nd4 14. e3 Nc6 {½-½ (60) Dubov,D (2700)-Nepomniachtchi,I (2775) Paris 2019}) 7... Bb4 8. Bg2 {[#]} Ne4 $1 {[%csl Ge4][%cal Rb6f2][%mdl 512]} 9. O-O Nxc3 10. bxc3 Bxc3 11. Ba3 $146 ({Predecessor:} 11. Be3 Qa5 12. Rb1 O-O 13. Qc2 Bf6 14. Rb5 Qa6 {1-0 (27) Mueller,M (2123)-Maeurer,F (2005) Wolfstein 2017}) 11... Bxa1 12. Qxa1 f6 13. Bd6 Qa6 14. Ng5 Ne5 (14... Qxc4 $15 {keeps the upper hand.} 15. e3 Qd3) 15. Bxe5 $16 fxe5 {[#]} 16. Qxe5 (16. Be4 $1 $16 d6 17. c5) 16... O-O $14 {[#]} 17. Qe4 $1 {[%csl Gg5][%cal Re4h7][%mdl 512]} Rf5 18. h4 Qa5 {[#]} 19. Nxh7 $1 {[%mdl 512]} Kxh7 20. g4 $1 {[%mdl 64] Pin} d5 21. cxd5 Qxd5 22. Qb1 {[%mdl 64] Pin} Qe5 23. Rd1 Rb8 24. e3 (24. Rd8 {is interesting.} Qc7 25. Rd4 Qe5 26. e3 b6 27. Qc2) 24... b6 25. gxf5 exf5 26. Rd5 Qf6 27. Qd1 $36 {[%mdl 2048] aiming for Rd8. White has some pressure.} Be6 28. Rd6 Qe5 29. a3 Rc8 30. Bc6 Bf7 31. Qd4 Qxd4 32. exd4 $11 {[%mdl 4096] Endgame KRB-KRB} Be8 {[#]} (32... Kg8 $11 {remains equal.}) 33. Bd5 (33. d5 $1 $16) 33... Rc3 {The position is equal.} 34. Be6 Rxa3 35. Bxf5+ Kg8 36. Rd8 {Threatens to win with Bg6.} Kf7 37. d5 Ke7 38. Rb8 {Accuracy: White = 57%, Black = 60%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.34"]
[White "Deac, Bogdan-Daniel"]
[Black "Shankland, Sam"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2613"]
[BlackElo "2705"]
[Annotator "TA"]
[PlyCount "151"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,151,43,31,74,79,86,69,72,79,85,82,59,8,16,8,8,8,8,8,8,-50,-52,-46,-57,-53,-54,-68,-62,-124,-124,-108,-91,-102,-105,-103,-58,-62,0,-52,0,0,0,0,0,-12,-12,-12,-8,-15,-15,-15,-15,-22,-22,-24,0,-12,-12,-12,0,0,0,0,8,8,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,242,369,242,29977,29979,29982,29983,29984,29981,29981,29980,29980,29980,29980,29978,29981,29978,29977,29979,29983,29984,29984,29985,29986,29987,29987,29988,29988,29989,29990,29991,29991,29992,29994,29995]} 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. g3 dxc4 5. Bg2 a6 6. O-O Nc6 7. e3 Rb8 8. Nfd2 e5 {E04: Open Catalan: 5 Nf3} 9. Bxc6+ $1 bxc6 10. dxe5 Ng4 {White is slightly better.} 11. Nxc4 Be6 {Threatens to win with ...Qxd1.} 12. Nbd2 (12. Qe2 h5 13. Rd1 Qc8 14. Qf3 Rb6 15. Nxb6 cxb6 16. h4 Nxe5 {½-½ (41) Grischuk,A (2759)-Ding,L (2811) Khanty-Mansiysk 2019}) 12... Bb4 13. Qe2 {[#]} ({Better is} 13. Qc2 $14) 13... Bxd2 $146 ({Predecessor:} 13... h5 14. h3 Bxd2 15. Bxd2 h4 16. hxg4 hxg3 {0-1 (45) Muzychuk,M (2491)-Kosteniuk,A (2510) Warsaw 2013}) 14. Bxd2 {aiming for Bc3.} h5 $1 {[%cal Rh5h4]} 15. f3 h4 16. fxg4 hxg3 {White must now prevent ...Bd5.} 17. hxg3 (17. b3 $11 Qh4 18. e4 Bxg4 19. Qg2 Qxh2+ 20. Qxh2 Rxh2 21. Ne3) 17... Qd5 $15 18. Rf3 Qxc4 19. Qxc4 Bxc4 20. Bc3 Bd5 21. Raf1 (21. e4 $1 $15 Bxe4 22. Rff1) 21... Bxf3 $17 ({Much worse is} 21... Bxa2 $6 22. Rf4 $11) 22. Rxf3 {[%mdl 4096] Endgame KRR-KRB} Rd8 23. Rf4 Rd1+ 24. Kg2 Rdh1 25. e6 R8h2+ 26. Kf3 Rf1+ (26... f6 $15) 27. Ke4 $11 {And now exf7+ would win.} Rxf4+ 28. gxf4 {KR-KB} Kf8 29. e7+ Kxe7 30. Bxg7 Ke6 31. Be5 {Strongly threatening f5+.} Rg2 32. g5 Rf2 33. a4 c5 34. Kd3 Kf5 35. e4+ Kg4 36. Kc4 $1 Re2 37. Kxc5 Rxe4 38. a5 {[#]} c6 $1 {[%mdl 512]} 39. Bd6 (39. Kxc6 Rb4) 39... Rxf4 $2 (39... Kf5 $1 $11) 40. Bxf4 $18 Kxf4 41. Kb6 Kxg5 42. Kxa6 {KPP-KPP} f5 43. Kb6 {White threatens a6 and mate.} f4 44. a6 f3 {intending ...f2.} 45. a7 f2 46. a8=Q {Qf8 would kill now.} f1=Q 47. Qxc6 {Hoping for Qb5+. KQ-KQ} Qf4 48. Qc5+ Kg4 49. b4 Qb8+ 50. Kc6 Qc8+ 51. Kb5 Qb7+ 52. Kc4 Kh3 53. b5 Qf7+ 54. Qd5 Qc7+ 55. Kd3 Kh2 56. Qh5+ Kg3 57. Qg6+ Kh2 58. b6 Qd7+ 59. Kc3 {Threatening mate with Qc2+.} Qh3+ (59... Qc8+ $142 60. Kd4 Qf8) 60. Kb2 Qh8+ $2 {[#]} (60... Qf3 $18 61. Kc2 Qa8) 61. Kb1 $1 {White mates.} Qf8 62. Qc2+ Kg1 63. Qd1+ ({And not} 63. b7 Qb4+ 64. Kc1 (64. Qb2 Qe4+ 65. Kc1 Qf4+ 66. Qd2 Qc7+ {[%mdl 64] Double Attack} 67. Qc2 Qxb7 $11) 64... Qxb7 $11) 63... Kh2 64. Qe2+ Kg1 65. Qe1+ Kh2 66. Qh4+ Kg1 67. Qg4+ Kh2 68. b7 Qd6 69. Qe2+ Kg3 70. Qb2 Qb8 71. Qc3+ Kh4 72. Qc8 Qe5 73. b8=Q Qe1+ 74. Qc1 Qe4+ 75. Qc2 Qe1+ 76. Kb2 {Accuracy: White = 70%, Black = 53%.} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.35"]
[White "Solomon, Kenny"]
[Black "Parligras, Mircea-Emilian"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "2382"]
[BlackElo "2629"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,84,-2,19,15,22,14,22,11,29,28,28,25,18,24,16,12,33,25,46,37,60,17,25,12,7,8,25,17,7,17,15,3,26,10,13,6,6,6,6,16,16,13,6,-120,-114,-115,-122,-128,-92,-100,-91,-95,-6,-133,-120,-125,-134,-708,-668,-700,-695,-679,-668,-699,-521,-687,-693,-1200,-1172,-1304,-1187,-1116,-935,-927,-908,-906,-847]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bd6 (5... Be7 6. Bg2 O-O 7. O-O Nbd7 8. a4 a5 9. Qc2 c6 10. Na3 Ne4 11. Bf4 g5 12. Be3 f5 13. Rad1 Qe8 14. Qc1 h6 15. Ne5 Kh7 {½-½ (104) Nakamura,H (2743)-Karjakin,S (2750) Saint Louis 2019}) 6. Nc3 {E01: Catalan: Early deviations} O-O 7. Bg5 Be7 8. Bg2 {The position is equal.} h6 9. Bxf6 Bxf6 10. O-O $146 ({Predecessor:} 10. e4 dxc4 11. e5 Be7 12. Qe2 Bd7 13. Qxc4 {1-0 (54) Kuzubov,Y (2636)-Parligras,M (2629) Mamaia 2019}) 10... c6 11. Qc2 Nd7 12. Rfd1 a5 13. b3 b6 14. e4 {[%cal Rc4d5]} Bb7 15. h4 Rc8 16. Qe2 Ba6 17. Bf1 Re8 18. Qe3 {[%cal Rc4d5]} Bb7 19. e5 Be7 20. cxd5 cxd5 21. Bb5 Ba3 22. Ne2 Re7 23. g4 Nf8 $1 24. h5 Rec7 25. Bd3 Nh7 26. Bxh7+ (26. Kh1 $11) 26... Kxh7 $17 27. g5 Ba6 28. Ng3 Qe7 29. Kg2 Rc2 30. Rh1 Rb2 (30... Bb5 $17 31. Qf4 Qf8) 31. Rh4 (31. Rhc1 $11 {remains equal.}) 31... Rcc2 32. Rf4 {next Rxf7! is good for White.} Rxf2+ 33. Qxf2 $4 {[%mdl 8192] [#]} (33. Kh3 $17 hxg5 {[#]} 34. Rxf7 $1 {[%mdl 512]} Rh2+ 35. Kg4 Rh4+ 36. Nxh4 Qxf7 37. Qxg5) 33... Rxf2+ $19 {Black is clearly winning.} 34. Kxf2 hxg5 35. Rg4 f6 36. Rh1 {If only White now had time for h6!...} Kh6 37. exf6 gxf6 38. Ne2 Qc7 39. Ne1 Bd6 40. Rg2 Bxe2 41. Kxe2 Qc3 42. Nf3 Bf4 {Accuracy: White = 54%, Black = 56%.} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.36"]
[White "Stefanova, Antoaneta"]
[Black "Arkell, Keith C"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2479"]
[BlackElo "2447"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:01:04]} c6 {[%emt 0:00:00]} 2. Nc3 {[%emt 0:00:20]} d5 {[%emt 0:00:00]} 3. Nf3 {[%emt 0:00:16]} Bg4 {[%emt 0:00:06]} 4. h3 {[%emt 0:00:19]} Bxf3 {[%emt 0:00:06]} 5. Qxf3 {[%emt 0:00:04]} dxe4 {[%emt 0:00:16]} 6. Nxe4 {[%emt 0:05:11]} Nd7 {[%emt 0:00:05]} 7. b4 {[%emt 0:19:16]} Ngf6 {[%emt 0:03:26]} 8. b5 {[%emt 0:20:10]} Qc7 {[%emt 0:29:12]} 9. Bb2 {[%emt 0:05:53]} Nxe4 {[%emt 0:01:22]} 10. Qxe4 {[%emt 0:02:49]} e6 {[%emt 0:04:04]} 11. g4 {[%emt 0:08:06]} Nf6 {[%emt 0:04:36]} 12. Qf3 {[%emt 0:14:34]} Rd8 {[%emt 0:07:48]} 13. Bg2 {[%emt 0:05:25]} cxb5 {[%emt 0:10:45]} 14. Qxb7 {[%emt 0:00:32]} Qxb7 {[%emt 0:00:04]} 15. Bxb7 {[%emt 0:00:05]} Bb4 {[%emt 0:08:51]} 16. Bc6+ {[%emt 0:03:42]} Kf8 {[%emt 0:05:40]} 17. O-O-O {[%emt 0:01:42]} a6 {[%emt 0:03:28]} 18. f4 {[%emt 0:00:44]} Nd5 {[%emt 0:02:30]} 19. f5 {[%emt 0:03:55]} exf5 {[%emt 0:03:59]} 20. gxf5 {[%emt 0:00:28]} f6 {[%emt 0:00:13]} 21. Rhg1 {[%emt 0:03:33]} Nf4 {[%emt 0:07:51]} 22. Rg4 {[%emt 0:03:19]} Bd6 {[%emt 0:00:45]} 23. Rf1 {[%emt 0:00:52]} Nd3+ {[%emt 0:01:21]} 24. Kb1 {[%emt 0:04:59]} Nxb2 {[%emt 0:00:17]} 25. Kxb2 {[%emt 0:00:02]} Be5+ {[%emt 0:00:22]} 26. Kc1 {[%emt 0:00:06]} Rd6 {[%emt 0:01:16]} 27. Bb7 {[%emt 0:00:40]} Kf7 {[%emt 0:10:54]} 28. Rfg1 {[%emt 0:00:09]} Rg8 {[%emt 0:01:49]} 29. Bc8 {[%emt 0:00:21]} g5 {[%emt 0:01:06]} 30. Be6+ {[%emt 0:00:31]} Rxe6 {[%emt 0:00:04]} 31. fxe6+ {[%emt 0:00:03]} Kxe6 {[%emt 0:00:06]} 32. a4 {[%emt 0:00:10]} h5 {[%emt 0:00:19]} 33. Rb4 {[%emt 0:00:15]} Bd6 {[%emt 0:00:33]} 34. Rb3 {[%emt 0:03:57]} bxa4 {[%emt 0:00:41]} 35. Rb6 {[%emt 0:00:16]} g4 {[%emt 0:00:27]} 36. Rxa6 {[%emt 0:00:35]} a3 {[%emt 0:00:27]} 37. hxg4 {[%emt 0:02:30]} hxg4 {[%emt 0:00:04]} 38. Rg3 {[%emt 0:00:41]} Rg5 {[%emt 0:00:50]} 39. Rd3 {[%emt 0:01:10]} Rd5 {[%emt 0:00:29]} 40. Rxd5 {[%emt 0:00:26]} Kxd5 {[%emt 0:00:04]} 41. c4+ {[%emt 0:50:13]} Ke5 {[%emt 0:23:47]} 42. d4+ {[%emt 0:00:00]} Ke6 {[%emt 0:00:13]} 43. c5 {[%emt 0:00:00]} g3 {[%emt 0:00:08]} 44. cxd6 {[%emt 0:00:00]} g2 {[%emt 0:21:45]} 45. d7+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:11]} 46. d8=Q {[%emt 0:00:00]} g1=Q+ {[%emt 0:00:11]} 47. Kc2 {[%emt 0:00:00]} Qg2+ {[%emt 0:03:48]} 48. Kb3 {[%emt 0:00:00]} Qb2+ {[%emt 0:00:24]} 49. Ka4 {[%emt 0:00:00]} Qc2+ {[%emt 0:00:24]} 50. Ka5 {[%emt 0:00:00]} Qf5+ {[%emt 0:05:07]} 51. Kb6 {[%emt 0:00:00]} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.37"]
[White "Jansa, Vlastimil"]
[Black "Prithu Gupta"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "2452"]
[BlackElo "2493"]
[Annotator "ChessBase"]
[PlyCount "82"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:00:00]} e5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:00]} 3. Bb5 {[%emt 0:00:00]} g6 {[%emt 0:00:00]} 4. c3 {[%emt 0:00:46]} a6 {[%emt 0:00:00]} 5. Ba4 {[%emt 0:00:13]} Bg7 {[%emt 0:00:00]} 6. d4 {[%emt 0:01:21]} exd4 {[%emt 0:00:05]} 7. cxd4 {[%emt 0:00:06]} b5 {[%emt 0:00:04]} 8. Bc2 {[%emt 0:01:53]} d6 {[%emt 0:00:04]} 9. h3 {[%emt 0:01:18]} Nf6 {[%emt 0:00:10]} 10. O-O {[%emt 0:01:01]} O-O {[%emt 0:00:33]} 11. Re1 {[%emt 0:01:32]} Bb7 {[%emt 0:01:19]} 12. Nc3 {[%emt 0:07:50]} Re8 {[%emt 0:00:07]} 13. Bg5 {[%emt 0:06:03]} h6 {[%emt 0:00:06]} 14. Bh4 {[%emt 0:00:45]} Na5 {[%emt 0:00:05]} 15. a3 {[%emt 0:12:07]} Nc4 {[%emt 0:07:49]} 16. Qc1 {[%emt 0:06:48]} g5 {[%emt 0:00:41]} 17. Bg3 {[%emt 0:00:26]} c5 {[%emt 0:03:11]} 18. d5 {[%emt 0:20:21]} Nh5 {[%emt 0:02:46]} 19. Bh2 {[%emt 0:03:16]} Bc8 {[%emt 0:23:06]} 20. Bd3 {[%emt 0:12:03]} Ne5 {[%emt 0:03:03]} 21. Nxe5 {[%emt 0:00:39]} Bxe5 {[%emt 0:00:43]} 22. Bxe5 {[%emt 0:00:23]} Rxe5 {[%emt 0:00:19]} 23. Qd2 {[%emt 0:03:41]} Nf4 {[%emt 0:05:08]} 24. Bf1 {[%emt 0:00:46]} Qf6 {[%emt 0:00:18]} 25. Re3 {[%emt 0:04:19]} Bd7 {[%emt 0:01:53]} 26. Rf3 {[%emt 0:04:37]} Qg7 {[%emt 0:00:12]} 27. b4 {[%emt 0:01:43]} Rc8 {[%emt 0:02:49]} 28. Rc1 {[%emt 0:00:18]} Ree8 {[%emt 0:00:54]} 29. Re3 {[%emt 0:01:31]} Rc7 {[%emt 0:03:38]} 30. Ne2 {[%emt 0:01:06]} c4 {[%emt 0:04:53]} 31. Rcc3 {[%emt 0:04:19]} Bc8 {[%emt 0:04:15]} 32. Nd4 {[%emt 0:07:23]} Rce7 {[%emt 0:00:51]} 33. f3 {[%emt 0:02:59]} Bd7 {[%emt 0:01:28]} 34. Kh2 {[%emt 0:02:10]} f5 {[%emt 0:02:02]} 35. Nxf5 {[%emt 0:01:35]} Bxf5 {[%emt 0:00:06]} 36. exf5 {[%emt 0:00:02]} Rxe3 {[%emt 0:00:34]} 37. Rxe3 {[%emt 0:00:05]} Rxe3 {[%emt 0:00:05]} 38. Qxe3 {[%emt 0:00:12]} Qe5 {[%emt 0:00:06]} 39. Qa7 {[%emt 0:03:14]} Nxd5+ {[%emt 0:02:49]} 40. g3 {[%emt 0:00:34]} Ne3 {[%emt 0:00:24]} 41. Bg2 {[%emt 0:05:11]} Nxf5 {[%emt 0:00:22]} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.38"]
[White "Movsziszian, Karen"]
[Black "Sebag, Marie"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2475"]
[BlackElo "2445"]
[Annotator "ChessBase"]
[PlyCount "71"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:05]} g6 {[%emt 0:00:09]} 3. Bg2 {[%emt 0:04:13]} Bg7 {[%emt 0:00:06]} 4. O-O {[%emt 0:00:28]} e5 {[%emt 0:00:19]} 5. d3 {[%emt 0:00:01]} Ne7 {[%emt 0:00:13]} 6. c3 {[%emt 0:00:04]} a5 {[%emt 0:03:19]} 7. a4 {[%emt 0:00:16]} O-O {[%emt 0:00:44]} 8. e4 {[%emt 0:00:03]} Nbc6 {[%emt 0:03:12]} 9. Na3 {[%emt 0:02:18]} h6 {[%emt 0:16:24]} 10. Nb5 {[%emt 0:01:51]} Be6 {[%emt 0:03:24]} 11. Be3 {[%emt 0:00:19]} Qd7 {[%emt 0:09:45]} 12. Bc5 {[%emt 0:00:31]} Rfe8 {[%emt 0:04:50]} 13. Qc2 {[%emt 0:00:06]} b6 {[%emt 0:04:21]} 14. Ba3 {[%emt 0:00:02]} Rad8 {[%emt 0:06:34]} 15. Rfe1 {[%emt 0:00:11]} f5 {[%emt 0:02:09]} 16. Rad1 {[%emt 0:10:46]} Kh7 {[%emt 0:06:31]} 17. h4 {[%emt 0:11:34]} Ng8 {[%emt 0:03:03]} 18. c4 {[%emt 0:14:12]} dxe4 {[%emt 0:07:38]} 19. dxe4 {[%emt 0:00:19]} Qf7 {[%emt 0:00:28]} 20. h5 {[%emt 0:15:37]} g5 {[%emt 0:12:37]} 21. Nxc7 {[%emt 0:02:07]} f4 {[%emt 0:00:21]} 22. Nxe8 {[%emt 0:02:38]} Rxe8 {[%emt 0:00:03]} 23. Rd6 {[%emt 0:01:48]} Rc8 {[%emt 0:02:38]} 24. c5 {[%emt 0:06:10]} bxc5 {[%emt 0:02:07]} 25. Qxc5 {[%emt 0:02:56]} Nge7 {[%emt 0:07:06]} 26. Qb5 {[%emt 0:02:07]} Rb8 {[%emt 0:03:32]} 27. Qd3 {[%emt 0:03:18]} Bg4 {[%emt 0:05:28]} 28. Rc1 {[%emt 0:02:12]} Nb4 {[%emt 0:03:15]} 29. Bxb4 {[%emt 0:04:09]} Rxb4 {[%emt 0:00:05]} 30. Nh2 {[%emt 0:00:52]} Be6 {[%emt 0:01:10]} 31. Qa6 {[%emt 0:02:05]} fxg3 {[%emt 0:01:36]} 32. fxg3 {[%emt 0:00:14]} Bc4 {[%emt 0:00:21]} 33. Qa7 {[%emt 0:03:47]} Rxb2 {[%emt 0:00:27]} 34. Rd7 {[%emt 0:01:17]} Bf8 {[%emt 0:00:17]} 35. Ng4 {[%emt 0:07:22]} Kg8 {[%emt 0:01:12]} 36. Rxe7 {[%emt 0:00:48]} 1-0

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.39"]
[White "Batsiashvili, Nino"]
[Black "Atalik, Ekaterina"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2422"]
[BlackElo "2464"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,94,15,14,0,7,0,0,0,0,0,0,0,0,0,35,6,20,0,14,0,29,0,26,-45,-42,-45,-14,-7,-5,-28,48,49,49,49,49,52,43,39,40,43,101,99,102,-4,-3,-4,-3,-25,-29,-87,0,0,12,12,12,9,133,127,314,0,67,17,8,8,38,38,38,38,38,37,38,35,35,35,35,35,35,35,35]} 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 b6 7. cxd5 exd5 8. Bb2 Bb7 9. d4 Nbd7 10. Nbd2 {[%cal Bb1d2,Bd2c4,Bc4e5,Be5c6][%mdl 32] E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} (10. Nc3 Re8 11. Rc1 Bf8 12. Qc2 a6 13. Rfd1 Rc8 14. e3 Qe7 15. Ne5 Qe6 16. Ne2 c6 17. Nf4 Qd6 18. Bh3 Rc7 19. b4 {½-½ (39) Leko,P (2691)-Bacrot,E (2725) Riadh 2017}) 10... Bd6 11. Nh4 Re8 12. Rc1 {The position is equal.} g6 $146 ({Predecessor:} 12... Rb8 13. e3 g6 14. Nhf3 {1-0 (49) Bischoff,K (2465)-Glienke,M (2300) Germany 1988}) 13. Nc4 Bf8 14. Ne5 Ne4 15. Qc2 Bd6 16. Nc6 (16. Bxe4 $5 dxe4 17. Rfd1 $11) 16... Qf6 17. Nf3 Qf5 18. b4 a6 19. a4 Nb8 20. b5 (20. Nce5 $11) 20... axb5 $15 21. axb5 Nxc6 (21... Bxc6 $5 22. bxc6 Na6 $15) 22. bxc6 Ba6 23. Ne5 $1 Qe6 ({Black should try} 23... Bxe5 $11 24. dxe5 Bb5) 24. Bxe4 $14 Bxe5 25. Bxd5 Qxd5 26. dxe5 {Strongly threatening Rfd1.} Qe6 27. f4 {Hoping for f5.} Rad8 28. Rf2 Rd5 ({Black should play} 28... Bb5 $14) 29. f5 $1 $16 {[%cal Rf5e6]} gxf5 30. Rxf5 (30. Rcf1 $1 $16 Qg6 31. Qxf5 (31. Rxf5 Bc8 $16)) 30... Bd3 $1 $11 {[%cal Rd3c2]} 31. Rg5+ Bg6 {Threatens to win with ...h6.} 32. Qe4 Red8 33. Qh4 (33. Qf3 $11 {keeps the balance.}) 33... Rd1+ (33... Rd2 $1 $17 {...f6 is the strong threat.} 34. Rg4 Ra8) 34. Kf2 R8d2 35. Rxd1 Rxd1 36. Rg4 Qf5+ (36... Qxc6 $11 {remains equal.} 37. Rd4 Rxd4 38. Qxd4 Qc5) 37. Rf4 $16 Qe6 $2 {[#]} ({Avoid the trap} 37... Qc2 $2 38. Bd4 $18) (37... Qh5 $16) 38. Qf6 $2 (38. Rf6 $1 $18 {[%cal Rf6e6]} Qe8 {[#]} 39. e6 $1 {[%mdl 512]} fxe6 40. Ba3) 38... Rd2 (38... Qh3 $11 39. e6 Qxh2+ 40. Ke3 Qxg3+ 41. Rf3 Qg1+ 42. Kf4 Qh2+ {[%mdl 64] Double Attack} 43. Ke3 Qg1+ 44. Kf4 Qh2+ {[%mdl 64] Double Attack} 45. Ke3 Qg1+) 39. Rd4 (39. Ra4 {is interesting.} Qxf6+ 40. exf6 h6 41. Be5 Rc2 42. Bxc7 Rxc6 43. Bd8) 39... Rxd4 40. Bxd4 Qxf6+ (40... Qf5+ {keeps more tension.} 41. Qxf5 Bxf5 42. Ke3 Be6 43. Kf4 Bd5) 41. exf6 $11 {[%mdl 4096] Endgame KB-KB. White is slightly better.} Be4 42. Be5 Bxc6 43. Bxc7 b5 44. Ba5 h5 45. Ke3 Kh7 46. Kf4 Kg6 47. Bc3 Bd7 {Accuracy: White = 45%, Black = 41%.} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.40"]
[White "Kolbus, Dietmar"]
[Black "Cramling, Pia"]
[Result "1/2-1/2"]
[ECO "A14"]
[WhiteElo "2300"]
[BlackElo "2462"]
[Annotator "ChessBase"]
[PlyCount "78"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:46]} d5 {[%emt 0:00:27]} 4. Bg2 {[%emt 0:01:06]} Be7 {[%emt 0:00:47]} 5. O-O {[%emt 0:00:15]} O-O {[%emt 0:00:26]} 6. b3 {[%emt 0:01:26]} b6 {[%emt 0:02:00]} 7. Bb2 {[%emt 0:01:12]} Bb7 {[%emt 0:00:18]} 8. cxd5 {[%emt 0:00:44]} Nxd5 {[%emt 0:01:16]} 9. Nc3 {[%emt 0:00:09]} Nf6 {[%emt 0:04:45]} 10. d4 {[%emt 0:01:23]} Nbd7 {[%emt 0:04:52]} 11. Rc1 {[%emt 0:00:24]} c5 {[%emt 0:04:58]} 12. dxc5 {[%emt 0:00:58]} Nxc5 {[%emt 0:06:40]} 13. Qxd8 {[%emt 0:01:55]} Rfxd8 {[%emt 0:00:05]} 14. Rfd1 {[%emt 0:00:10]} a6 {[%emt 0:13:08]} 15. Ne5 {[%emt 0:01:44]} Bxg2 {[%emt 0:02:39]} 16. Kxg2 {[%emt 0:00:04]} Rxd1 {[%emt 0:03:24]} 17. Rxd1 {[%emt 0:00:05]} Rc8 {[%emt 0:02:16]} 18. Rc1 {[%emt 0:07:04]} Bf8 {[%emt 0:20:42]} 19. Na4 {[%emt 0:06:41]} b5 {[%emt 0:02:27]} 20. Nxc5 {[%emt 0:00:41]} Rxc5 {[%emt 0:00:05]} 21. Rxc5 {[%emt 0:00:56]} Bxc5 {[%emt 0:00:03]} 22. Nd3 {[%emt 0:02:17]} Be7 {[%emt 0:02:54]} 23. Bd4 {[%emt 0:05:50]} Nd7 {[%emt 0:04:02]} 24. e4 {[%emt 0:01:17]} f5 {[%emt 0:01:21]} 25. f3 {[%emt 0:01:19]} Kf7 {[%emt 0:03:18]} 26. g4 {[%emt 0:02:16]} g6 {[%emt 0:01:10]} 27. Ne5+ {[%emt 0:04:54]} Nxe5 {[%emt 0:00:39]} 28. Bxe5 {[%emt 0:00:06]} fxg4 {[%emt 0:03:57]} 29. fxg4 {[%emt 0:00:07]} Ke8 {[%emt 0:02:20]} 30. Kf3 {[%emt 0:00:58]} Kd7 {[%emt 0:00:40]} 31. h3 {[%emt 0:00:24]} Bg5 {[%emt 0:01:07]} 32. Ke2 {[%emt 0:00:16]} Kc6 {[%emt 0:00:08]} 33. Bd4 {[%emt 0:00:15]} Bf4 {[%emt 0:00:58]} 34. Kd3 {[%emt 0:00:10]} Bc7 {[%emt 0:01:45]} 35. Be3 {[%emt 0:00:38]} Be5 {[%emt 0:00:17]} 36. Bf2 {[%emt 0:00:08]} Bf6 {[%emt 0:00:25]} 37. Be3 {[%emt 0:00:19]} Be5 {[%emt 0:00:10]} 38. Bf2 {[%emt 0:00:05]} Bf6 {[%emt 0:00:05]} 39. Be3 {[%emt 0:00:05]} Be5 {[%emt 0:00:02]} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.41"]
[White "Wu, Li"]
[Black "Bulmaga, Irina"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "2332"]
[BlackElo "2442"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,72,25,25,25,20,29,27,27,35,34,35,25,0,0,3,72,67,134,65,46,79,114,110,109,0,111,0,0,-46,-50,-52,-73,-156,-160,-444,-424,-1421,-1344,-1127,-730,-693,-679,-901,-682,-887,-831,-29975,-29959,-5285,-851,-29981,-820,-787,-787]} 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d4 Be7 6. c4 O-O 7. Nc3 Ne4 8. Bd2 c5 9. d5 exd5 10. cxd5 Nxd2 11. Nxd2 d6 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} 12. e4 Bf6 13. Re1 Nd7 {White has an edge.} 14. f4 Ba6 $146 ({Predecessor:} 14... Re8 15. Nc4 Bxc3 16. bxc3 Qf6 17. Qa4 {1-0 (17) Vera Gonzalez Quevedo,R (2525)-Jerez Perez,A (2270) Sitges 1993}) 15. Nf3 Re8 16. Qa4 Bd3 17. Nb5 $1 $36 {[%cal Rb5d6][%mdl 2048] White has good play.} c4 (17... Qb8 $11) 18. Nxd6 $16 b5 (18... Bxb2 $14 19. Rad1 (19. Nxe8 Bxa1 20. Rxa1 Nc5 $14) 19... b5) 19. Qa6 ({Don't go for} 19. Nxb5 $2 Nc5 $19) ({White should try} 19. Qxb5 $16 {Strongly threatening e5.} Rb8 20. Qa6) 19... Bxb2 $14 20. Nxe8 Qxe8 21. e5 $1 ({Resist} 21. Qxb5 Bxa1 22. Rxa1 Rb8 $11) 21... Nc5 22. Qa5 (22. Qd6 $1 $16 {[%cal Rd6c5]} Bxa1 23. Rxa1) 22... Ne4 (22... Bxa1 $11 23. Rxa1 Be4) 23. Rac1 (23. Qc7 $16) 23... a6 $11 24. Bf1 Bxc1 25. Bxd3 cxd3 26. Rxe4 {[#]} ({Better is} 26. Rxc1 Qd7 27. Qc7 Qxc7 28. Rxc7) 26... Qd7 $1 $17 {[%cal Rd7d5]} 27. d6 $2 (27. Qe1 $17 Ba3 28. d6 Bc5+ 29. Kg2) 27... Qb7 {Played: Qd7-c6} 0-1

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.42"]
[White "Allen, Keith"]
[Black "Dahl, Baard"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2161"]
[BlackElo "2067"]
[Annotator "NA"]
[PlyCount "89"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. d4 {[%emt 0:02:13]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:13]} g6 {[%emt 0:00:00]} 3. Nc3 {[%emt 0:00:18]} d5 {[%emt 0:00:00]} 4. cxd5 {[%emt 0:00:24]} Nxd5 {[%emt 0:00:00]} 5. e4 {[%emt 0:00:05]} Nxc3 {[%emt 0:00:03]} 6. bxc3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:07]} 7. Qa4+ {[%emt 0:00:26]} Nd7 {[%emt 0:01:08]} 8. Nf3 {[%emt 0:00:31]} c5 {[%emt 0:01:43]} 9. Bg5 {[%emt 0:02:02]} O-O {[%emt 0:01:38]} 10. Be2 {[%emt 0:00:28]} h6 {[%emt 0:05:42]} 11. Bh4 {[%emt 0:10:12]} g5 {[%emt 0:11:13]} 12. Bg3 {[%emt 0:00:09]} cxd4 {[%emt 0:00:26]} 13. Nxd4 {[%emt 0:08:11]} Nc5 {[%emt 0:17:16]} 14. Qc2 {[%emt 0:01:43]} Qa5 {[%emt 0:09:33]} 15. O-O {[%emt 0:02:52]} Na4 {[%emt 0:02:04]} 16. Rac1 {[%emt 0:07:11]} Bd7 {[%emt 0:21:25]} 17. Rfd1 {[%emt 0:01:40]} Rfd8 {[%emt 0:01:34]} 18. c4 {[%emt 0:14:13]} Rac8 {[%emt 0:02:10]} 19. f3 {[%emt 0:03:29]} e5 {[%emt 0:10:03]} 20. Nb3 {[%emt 0:13:06]} Qc7 {[%emt 0:00:09]} 21. c5 {[%emt 0:02:44]} Bf8 {[%emt 0:02:03]} 22. Rd5 {[%emt 0:04:52]} f6 {[%emt 0:00:50]} 23. Qc4 {[%emt 0:10:49]} Kg7 {[%emt 0:00:07]} 24. Bf2 {[%emt 0:00:32]} Bc6 {[%emt 0:04:44]} 25. Rc2 {[%emt 0:03:27]} Qf7 {[%emt 0:03:16]} 26. Rxd8 {[%emt 0:00:51]} Qxc4 {[%emt 0:00:30]} 27. Bxc4 {[%emt 0:00:47]} Rxd8 {[%emt 0:00:04]} 28. Kf1 {[%emt 0:02:35]} b6 {[%emt 0:05:48]} 29. cxb6 {[%emt 0:02:43]} Nxb6 {[%emt 0:00:16]} 30. Ba6 {[%emt 0:02:24]} Ba4 {[%emt 0:00:54]} 31. Rc7+ {[%emt 0:02:38]} Rd7 {[%emt 0:00:17]} 32. Rxd7+ {[%emt 0:00:20]} Bxd7 {[%emt 0:00:24]} 33. Nc5 {[%emt 0:01:49]} Bc8 {[%emt 0:07:36]} 34. Bxc8 {[%emt 0:02:55]} Nxc8 {[%emt 0:00:13]} 35. Ne6+ {[%emt 0:00:30]} Kf7 {[%emt 0:00:05]} 36. Nxf8 {[%emt 0:00:10]} Kxf8 {[%emt 0:00:02]} 37. Bc5+ {[%emt 0:05:32]} Ke8 {[%emt 0:00:07]} 38. g4 {[%emt 0:00:34]} a6 {[%emt 0:01:44]} 39. Ke2 {[%emt 0:00:47]} Ne7 {[%emt 0:00:35]} 40. Bxe7 {[%emt 0:01:53]} Kxe7 {[%emt 0:00:02]} 41. Kd3 {[%emt 0:03:33]} Kd6 {[%emt 0:01:46]} 42. Kc4 {[%emt 0:08:42]} Kc6 {[%emt 0:00:09]} 43. Kb4 {[%emt 0:01:18]} Kb6 {[%emt 0:00:13]} 44. a3 {[%emt 0:00:42]} Kc6 {[%emt 0:00:11]} 45. a4 {[%emt 0:01:05]} 1/2-1/2

[Event "FIDE Chesscom Grand Swiss 2019"]
[Site "Douglas-Isle of Man"]
[Date "2019.10.18"]
[Round "8.43"]
[White "Shirov, Alexei"]
[Black "Yu, Yangyi"]
[Result "1/2-1/2"]
[ECO "B45"]
[WhiteElo "2664"]
[BlackElo "2763"]
[Annotator "RC"]
[PlyCount "88"]
[EventDate "2019.10.10"]
[EventType "swiss"]
[EventCountry "GBR"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 3:49:16]} c5 2. Nf3 {[%emt 0:00:01]} e6 3. d4 {[%emt 0:00:00]} cxd4 4. Nxd4 {[%emt 0:00:01]} Nc6 5. Nc3 {[%emt 0:00:01]} Nf6 {[%emt 0:00:02]} 6. Nxc6 bxc6 7. e5 {[%emt 0:00:01]} Nd5 {[%emt 0:00:01]} 8. Ne4 Qc7 9. f4 Qb6 {[%emt 0:00:01]} 10. c4 {[%emt 0:00:01]} Bb4+ {[%emt 0:00:01]} 11. Ke2 f5 12. exf6 {[%emt 0:00:01]} Nxf6 {[%emt 0:00:01]} 13. Be3 {[%emt 0:00:01]} Qd8 {[%emt 0:00:02]} 14. Nd6+ {[%emt 0:00:01]} Bxd6 {[%emt 0:00:02]} 15. Qxd6 {[%emt 0:00:02]} Bb7 {[%emt 0:00:01]} 16. g4 {[%emt 0:00:01]} c5 {[%emt 0:00:02]} 17. Rg1 Ne4 {[%emt 0:00:01]} 18. Qe5 {[%emt 0:00:01]} Qh4 {[%emt 0:00:01]} 19. Bg2 {[%emt 0:00:00]} Qxg4+ {[%emt 1:02:13]} 20. Bf3 {[%emt 0:00:00]} Nc3+ {[%emt 0:04:09]} 21. Kd3 {[%emt 0:00:00]} Qxf3 {[%emt 0:01:05]} 22. Kxc3 {[%emt 0:00:00]} Rg8 {[%emt 0:08:32]} 23. Rg3 {[%emt 0:00:00]} Qc6 {[%emt 0:19:37]} 24. Bxc5 {[%emt 0:00:00]} O-O-O {[%emt 0:00:14]} 25. Bd6 {[%emt 0:00:00]} Ba6 {[%emt 0:00:22]} 26. b3 {[%emt 0:00:00]} Kb7 {[%emt 0:00:01]} 27. Rd1 {[%emt 0:00:00]} Rc8 {[%emt 0:01:55]} 28. Rxg7 {[%emt 0:00:00]} Rxg7 {[%emt 0:02:54]} 29. Qxg7 {[%emt 0:00:00]} Bxc4 {[%emt 0:00:40]} 30. Kb2 {[%emt 0:00:00]} Be2 {[%emt 0:01:54]} 31. Re1 {[%emt 0:00:00]} Qxd6 {[%emt 0:00:16]} 32. Rxe2 {[%emt 0:00:00]} Qd1 {[%emt 0:00:30]} 33. Qg2+ {[%emt 0:00:00]} Rc6 {[%emt 0:03:41]} 34. a4 {[%emt 0:00:00]} Qd4+ {[%emt 0:00:43]} 35. Ka2 {[%emt 0:00:00]} Qxf4 {[%emt 0:00:25]} 36. Qg7 {[%emt 0:00:00]} Rd6 {[%emt 0:01:47]} 37. Qxh7 {[%emt 0:00:00]} Rd1 {[%emt 0:01:36]} 38. Qh5 {[%emt 0:00:00]} Qd4 {[%emt 0:03:50]} 39. Rb2 {[%emt 0:00:00]} e5 {[%emt 0:01:04]} 40. h4 {[%emt 0:00:00]} Rd2 {[%emt 0:01:43]} 41. Rxd2 {[%emt 0:00:00]} Qxd2+ {[%emt 0:50:03]} 42. Ka3 {[%emt 0:00:00]} Qc1+ {[%emt 0:00:00]} 43. Ka2 {[%emt 0:00:00]} Qc2+ {[%emt 0:00:00]} 44. Ka3 {[%emt 0:00:00]} Qc1+ {[%emt 0:00:00]} 1/2-1/2

