[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "1.1"]
[White "Studer, Noel"]
[Black "Naiditsch, Arkadij"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "2580"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "70"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,70,12,0,25,18,31,0,0,-5,-5,-31,-22,-64,-64,-204,-177,-210,-198,-247,-249,-238,-237,-249,-242,-225,-233,-268,-281,-286,-261,-267,-250,-262,-256,-264,-245,-316,-323,-400,-382,-410,-399,-402,-422,-396,-394,-553,-468,-606,-550,-747,-736,-706,-684]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 b6 9. Bf4 Bb7 10. Ne5 Nfd7 {E06: Closed Catalan: Early deviations.} 11. Nd3 {[#]} a5 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11... Na6 12. cxd5 cxd5 13. Qa4 Rc8 14. Na3 Ndb8 15. Rfc1 Qe8 16. Qxe8 Rfxe8 17. Nb5 Nc6 18. e4 {1-0 (63) Georgiev,K (2615)-Gurevich,M (2620) Elenite 1994}) 12. cxd5 cxd5 {The position is equal.} 13. Nc3 Nc6 14. Nb5 Rc8 {[#] White must now prevent ...Nxd4!} 15. Qb3 Ba6 16. e3 ({Better is} 16. Be3 $15) 16... g5 $36 {[%mdl 2048] Black has strong initiative.} 17. Bd6 {[#]} a4 $1 {[%cal Ra4b3][%mdl 512]} 18. Bxe7 (18. Qxa4 Bxb5) 18... axb3 19. Bxd8 Bxb5 20. Bxg5 {Black should prevent Rfd1.} Bxd3 21. Rfd1 Bc2 22. Rdc1 Na5 23. Be7 Rfe8 24. Bb4 Nb8 25. Bf1 Nbc6 26. Bc3 e5 27. dxe5 Nxe5 {aiming for ...Rxc3!} 28. Bxa5 bxa5 29. axb3 Nf3+ 30. Kg2 Nd2 31. Bb5 Red8 32. Ba6 (32. Ba4 $142) 32... Be4+ {Black is clearly winning.} 33. Kh3 Ra8 34. Bb7 Ra7 35. Rc7 d4 {White did not feel at home in the position after the opening. Accuracy: White = 34%, Black = 93%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "1.2"]
[White "Adams, Michael"]
[Black "Harikrishna, Pentala"]
[Result "0-1"]
[ECO "C84"]
[WhiteElo "2701"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,16,18,5,38,32,31,26,27,20,20,19,75,18,18,18,33,0,0,0,7,0,0,0,0,0,20,18,36,7,34,35,36,41,82,5,27,35,70,0,0,-17,5,-33,0,0,0,0,55,0,0,0,0,0,0,0,0,0,106,2,0,-19,-14,-16,-14,-343,-329]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 {8.a3 is the hot move. Played by Ian Nepomniachtchi in June 2020.} Bd7 9. c3 {C84: Closed Ruy Lopez: Unusual White 6th moves.} b4 $5 {[%mdl 4] Leaves trodden paths.} 10. Nbd2 O-O 11. Nc4 {White is slightly better.} Rb8 {[#]} 12. h3 $146 ({Predecessor:} 12. Re1 bxc3 13. bxc3 Be6 14. Ng5 Bg4 15. f3 Bd7 16. a5 h6 17. Nh3 Bxh3 18. gxh3 {0-1 (40) McDonald,N (2403)-Sumit,K (2179) London 2018}) 12... h6 13. Re1 Be6 (13... bxc3 $11 14. bxc3 Be6) 14. a5 (14. d4 $1 $16) 14... bxc3 $11 15. bxc3 Qc8 16. Ba2 Re8 17. Bd2 Bf8 18. Ne3 Bxa2 19. Rxa2 Qe6 20. c4 Nb4 21. Ra3 c5 22. Rb3 Rb7 23. Bxb4 {Threatens to win with Bd2.} Reb8 24. Nc2 Be7 {[#]} 25. Qd2 (25. Qa1 $1 $16) 25... Nh5 26. Reb1 Bd8 27. Kh2 (27. d4 $14 cxb4 28. dxe5 (28. Nxb4 Bxa5 29. dxe5 dxe5 $17)) 27... Nf4 28. Ne3 cxb4 29. Ra1 Qg6 30. Ra4 {[%cal Rb3b4]} Kh7 31. Qb2 Bg5 (31... Qe6 $11) 32. Nxg5+ (32. Qb1 $14) 32... Qxg5 33. g3 {Hoping for h4.} Ne6 34. Raxb4 Rxb4 35. Rxb4 Rxb4 36. Qxb4 Nc5 (36... Qh5 $1 $11) 37. Qc3 (37. Kg2 $16) 37... Qh5 $1 38. Ng4 f5 39. exf5 Qxf5 {White should prevent ...h5.} 40. d4 $2 {[%mdl 8192] [#]} (40. Qd2 $11 {and White stays safe.}) 40... exd4 $1 {Accuracy: White = 60%, Black = 77%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "1.3"]
[White "Anton Guijarro, David"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "2703"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,0,0,31,9,6,14,15,-25,68,60,72,66,80,0,0,0,0,0,0,0,100,97,287,24,41,25,33,41,40,39,72,18,2,16,16,-73,-104,-396,-387,-455,-319,-640,-634,-705,-718,-710,-706,-640,-341,-29995,-29996,-29996,-29997,-29997,-29998]} 1. Nf3 d5 2. c4 e6 3. g3 d4 4. Bg2 c5 5. O-O Nc6 6. e3 Nf6 7. exd4 cxd4 8. d3 h6 {A13: English Opening: 1...e6.} 9. Na3 Bxa3 10. bxa3 O-O {The position is equal.} 11. Bf4 {[#]} Qa5 $146 ({Better is} 11... Ng4 $1 $11) ({Predecessor:} 11... Ng4 12. Re1 Re8 13. Ne5 Ngxe5 14. Bxe5 Bd7 15. Bd6 e5 16. Qh5 Qf6 17. c5 Rac8 {1-0 (54) Odendahl,R (2359)-Haria,R (2463) Belgium 2020}) 12. Rb1 Rd8 13. a4 $36 {[%mdl 2048] White has good play.} a6 $1 14. Qb3 (14. Qe2 $16) 14... e5 $11 15. Bd2 Qc7 16. Rfe1 Nd7 17. Qa3 b6 {[#]} (17... a5 $11 {remains equal.}) 18. a5 $1 $16 {[%cal Ra5b6][%mdl 512] Hoping for axb6.} bxa5 $2 {[#]} (18... Rb8 $16) 19. Nh4 $2 (19. Nxd4 $1 $18 {[%mdl 512]} exd4 (19... Nxd4 20. Bxa5) 20. Bf4) 19... Rb8 20. Rxb8 $1 Ndxb8 21. f4 Re8 22. Qc5 {[%mdl 1024] White has compensation.} Re6 {[#]} 23. Bd5 (23. f5 $1 $16 {[%cal Rf5e6]} Nd7 24. Bxa5) 23... Nd7 $11 24. Qa3 Re8 $1 25. Nf5 (25. Qa4 $11 Bb7 26. Nf5) 25... Nb4 $1 $17 26. fxe5 $2 {[%mdl 8192]} (26. Bxb4 $17 axb4 27. Qa4) 26... Nxe5 $19 27. Nxd4 Nxd5 28. cxd5 $2 (28. Qxa5 Qxa5 29. Bxa5) 28... Qb6 29. Be3 {[#]} Nf3+ $1 {[%mdl 512]} 30. Nxf3 Rxe3 31. Kg2 Bg4 32. Rf1 $2 (32. Rxe3 $19 Qxe3 33. Ng1) 32... Re2+ {Black mates.} 33. Kh1 Bxf3+ {[%mdl 64] Overworked Piece} 34. Rxf3 Qb1+ {[%mdl 64] Double Attack. What a bad dream for White. Accuracy: White = 40%, Black = 63%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "1.4"]
[White "Edouard, Romain"]
[Black "Wojtaszek, Radoslaw"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2649"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,88,0,-2,0,0,0,-5,0,-11,0,0,0,-25,-25,-22,-26,-29,-42,-38,-35,-43,-35,-49,-45,-64,-47,-82,-58,-72,-79,-89,-95,-98,-77,-69,-81,-91,-81,-85,-82,-84,-84,-75,-78,-114,-73,-102,-97,-97,-80,-147,-154,-207,-200,-203,-195,-250,-236,-275,-279,-282,-262,-274,-256,-338,-342,-519,-500,-520,-516,-455,-419,-420,-227,-230,-221,-215,-215,-203,-193]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. e4 Nf6 {A28: English Opening: Four Knights Variation.} 7. h3 Bc5 8. Be3 $5 {[%mdl 4] Exploring less charted territory.} Qe7 {The position is equal.} 9. Be2 O-O 10. O-O Rd8 11. Rc1 {[#]} Nd4 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11... Bb6 12. a3 h6 13. Qc2 Be6 14. Na4 Bd4 15. b4 a6 16. Nxd4 exd4 17. Bf4 Nd7 18. Bxc7 {1-0 (39) Ju,W (2535)-Ni,S (2213) China 2013}) 12. Bxd4 Bxd4 13. Nxd4 Rxd4 14. Qd2 c5 15. f4 b6 16. Qe3 exf4 17. Rxf4 Be6 18. Rcf1 Rad8 19. a3 a6 20. e5 {[#]} Nd5 $1 {[%cal Rd5e3]} 21. Nxd5 R8xd5 22. Rxd4 Rxd4 23. Rf4 Qg5 24. Re4 Qxe3+ 25. Rxe3 $17 {[%mdl 4096] Endgame KRB-KRB} Kf8 26. Kf2 Ke7 27. Bf3 g6 28. Bb7 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 29. Ba6 Bd7 30. Bc4 ({White should try} 30. Rf3) 30... b5 31. Ba2 (31. Bb3 $17 {was necessary.}) 31... h5 32. Ke2 Bf5 33. Bb3 (33. Rg3 $142) 33... a4 $19 34. Ba2 h4 35. Rf3 c4 36. dxc4 bxc4 37. Rc3 Bd3+ 38. Kf3 (38. Ke3 {might work better.} Re4+ {[%mdl 64] Double Attack} 39. Kf2) 38... g5 39. Ke3 Re4+ 40. Kf3 Rf4+ 41. Ke3 Bf1 (41... f5 $142 {Strongly threatening ...Re4+.} 42. Kd2 Bf1) 42. Rc2 {Black is clearly better.} Ke6 43. Rd2 Kxe5 44. Bb1 g4 {Black took control after the opening. Accuracy: White = 60%, Black = 92%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "2.1"]
[White "Edouard, Romain"]
[Black "Studer, Noel"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2649"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,99,0,0,0,0,-15,-9,-9,-1,-19,0,-4,-16,-2,12,0,52,50,83,75,140,113,107,106,128,100,142,145,181,166,169,134,333,305,335,330,430,346,366,292,275,268,260,256,261,204,265,260,459,339,335,216,285,225,852,357,357,354,426,453,425,364,903,905,903,903,866,844,882,870,1583,495,427,0,1409,497,872,830,787,759,611,0,556,434,29994,29993,29994,29995]} 1. c4 e5 2. d3 Nf6 3. Nf3 Nc6 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bc5 8. Be2 {A28: English Opening: Four Knights Variation.} O-O 9. Be3 $5 {[%mdl 4] Exploring less charted territory.} Qe7 10. O-O {The position is equal.} Bb6 {[#]} 11. h3 $146 ({Predecessor:} 11. Qd2 h6 12. Rab1 Rd8 13. h3 f5 14. Qc2 Bxe3 15. fxe3 fxe4 16. dxe4 b6 17. Bc4+ {½-½ (40) Santos Etxepare,A (2168)-Kappes,D (2301) ICCF email 2011}) 11... h6 12. Re1 Bxe3 13. fxe3 Qc5 14. Qd2 f5 (14... Qd6 $11) 15. d4 $14 Qe7 16. Bd3 f4 (16... g5 $142) 17. Bc4+ Kh7 18. Bd5 fxe3 19. Rxe3 exd4 20. cxd4 Nd8 21. Bb3 Ne6 22. e5 Nf4 $2 (22... c6 $16) 23. e6 $18 c6 24. Rae1 Rf6 25. Qc2+ Kh8 26. Qc5 Qe8 27. e7 Bxh3 28. Ne5 ({Not} 28. gxh3 Qg6+ 29. Ng5 Re8 $11) 28... Be6 29. Rf3 {Threatens to win with Rxf4!} Bxb3 30. axb3 Ne6 $2 (30... Nd5 31. Rxf6 Nxf6) 31. Qd6 {And now Rxf6 would win.} Nf4 32. Qd7 Kg8 {White should prevent ...Qxd7.} 33. Qxb7 {Strongly threatening Nd7.} Rb8 $2 {[#]} (33... Qc8 34. Qxc8+ Rxc8) 34. Qxa7 (34. Qxb8 $142 $3 {[%mdl 512]} Qxb8 35. Nd7 {[%mdl 64] Double Attack}) 34... Ra8 35. Qb7 Ra2 36. Qd7 Ra8 37. Qg4 Nd5 $2 (37... h5 38. Qg5 Nd5 39. Rxf6 Nxf6) 38. Rxf6 Nxf6 39. Qe6+ {[%mdl 64] Double Attack} Kh7 40. Nxc6 Qg6 41. Ne5 Qg3 42. Qf5+ (42. Nd7 $142 Ne8 43. Qe4+ {[%mdl 64] Double Attack} g6 44. Rf1) 42... Kg8 43. Qe6+ (43. Qf1 $142) 43... Kh7 $1 44. Rf1 (44. Nd7 $142 Ne8 45. Qe4+ {[%mdl 64] Double Attack} g6 46. Rf1) 44... Ra2 (44... Qe3+ $142 45. Kh2 Qxd4) 45. Qf5+ Kg8 46. Qc8+ Kh7 47. Qf5+ Kg8 {[%csl Ga2][%cal Rg3g2]} 48. Qf3 Qh4 {[#]} (48... Qxf3 $18 49. Rxf3 Ra8) 49. Qxf6 $1 {[%mdl 512]} Qxd4+ (49... gxf6 50. e8=Q+) 50. Kh1 {Accuracy: White = 63%, Black = 43%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "2.2"]
[White "Wojtaszek, Radoslaw"]
[Black "Anton Guijarro, David"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2719"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,40,67,18,18,17,28,21,28,0,0,0,0,0,13,0,0,0,2,-56,39,0,29,32,34,0,-11,-13,-11,-28,-17,-43,-18,-40,0,-30,-35,-29,0,-55,-43,-112,-58,-95,0,0,0,0,41,45,364,333,1014,387,1017,413,498,490,917,877,892,884,939,655,648,633,626,581,5679,5102,29980,29979,29993,29994,29994,29995,29995,4134,1082,365,357,313,944,527,29986,29987,29996,29992,29995,29992]} 1. d4 d5 2. c4 dxc4 3. e4 Nf6 4. e5 Nd5 5. Bxc4 Bf5 6. Nf3 {D20: Queen's Gambit Accepted: 3 e3 and 3 e4.} (6. Qb3 $5 {[%cal Rc4d5]} e6 7. Qxb7 $16) 6... e6 7. Nc3 {[#]} Nxc3 $146 ({Predecessor:} 7... Nb6 8. Bb5+ c6 9. Bd3 Bxd3 10. Qxd3 Na6 11. O-O Qd7 12. Rd1 Nb4 13. Qe4 N4d5 {½-½ (48) Pert,N (2558)-Pajeken,J (2327) Dublin 2020}) 8. bxc3 {White has an edge.} Be7 9. Bd3 (9. O-O {with more complications.} O-O 10. Qe2 c5 11. Rd1 Qc8 12. d5) 9... Bxd3 $1 10. Qxd3 c5 11. Rb1 b6 12. O-O Nc6 13. Qe4 Qd5 14. Qg4 (14. Qxd5 $11 exd5 15. Be3) 14... Kf8 (14... h5 $15 15. Qg3 (15. Qxg7 O-O-O $11) 15... cxd4) 15. Bg5 cxd4 16. Bxe7+ Nxe7 17. cxd4 (17. Rfd1 $5 {[%cal Rd1d4]}) 17... h6 18. Rb3 Rc8 19. Ra3 Rc7 20. h4 Kg8 21. Qf4 Nc6 22. Rd1 Kh7 23. Nh2 Rd8 {[%cal Rc6d4]} 24. Rad3 (24. Ng4 $11) 24... Rcd7 25. Kh1 (25. Ng4 $15) 25... Kh8 ({Black should try} 25... Qc4 $17 26. Nf3 Ne7) 26. Ng4 {And now Nxh6! would win.} Kh7 (26... Qxa2 $17 {Hoping for ...Rxd4!} 27. Nxh6 Rxd4 {[%mdl 64] Decoy} 28. Rxd4 Rxd4 29. Rxd4 Qa1+ {[%mdl 64] Double Attack} 30. Kh2 Qxd4 31. Qxf7 Qxh4+ 32. Kg1 Qxh6 33. Qe8+ Kh7 34. Qxc6 Qg6) 27. Ne3 $36 {[%mdl 2048] White is pushing.} Qb5 28. Qe4+ Kg8 29. d5 exd5 $2 {[%mdl 8192] This costs Black the game.} (29... Ne7 $14) 30. Nxd5 $18 Nb8 $2 (30... Nxe5 31. Qxe5 Kh8) 31. a4 $2 (31. e6) 31... Qc5 $2 (31... Qb2 32. e6 fxe6) 32. f4 (32. e6 $142) 32... Kh8 {[#]} 33. f5 $1 Qc6 (33... Qc2 $142 34. Qe1 Qc6) 34. e6 fxe6 35. fxe6 Rd6 36. e7 {Intending Nf6 and mate.} Re8 37. Rf1 {White wants to mate with Rf8+.} Nd7 {If Black can now play ...Re6 this consolidates a bit.} 38. Rdf3 {White threatens Rf8+ and mate.} Nf6 39. Nxf6 gxf6 {[#]} 40. Qg6 $1 {[%mdl 512]} Rxe7 41. Qxh6+ Kg8 42. Rg3+ Kf7 43. Qh8 (43. Qg6+ $142 Ke6 44. Qg4+ Ke5 45. Re3+ Kd5 46. Rd3+ Ke5 47. Qf5#) 43... Ke6 44. Rxf6+ $2 (44. Re1+ Kd7 45. Rxe7+ Kxe7 46. Qh7+ Kd8 47. Rg8+ Qe8 48. h5) 44... Kd7 45. Rf8 {Rd8+ is the strong threat.} Qc1+ $2 (45... Qc7 46. Qh5 Qc1+ 47. Kh2 Kc7) 46. Kh2 {Threatening mate with Rd8+.} Rd1 {[%csl Gc1][%cal Rd1h1]} 47. Rd8+ {White mates.} Ke6 48. Qg8+ Rf7 49. Qg4+ {Accuracy: White = 55%, Black = 46%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "2.3"]
[White "Keymer, Vincent"]
[Black "Adams, Michael"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2558"]
[BlackElo "2701"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,68,11,10,31,3,0,0,9,0,57,56,61,79,88,0,0,0,0,0,0,0,97,103,270,11,20,17,16,10,42,39,71,16,20,3,7,-103,-93,-390,-366,-463,-338,-656,-652,-721,-716,-708,-704,-603,-339,-29995,-29996,-29996,-29997,-29997,-29998]} 1. Nf3 d5 2. c4 e6 3. g3 d4 4. Bg2 c5 5. O-O Nc6 6. e3 Nf6 7. exd4 cxd4 8. d3 h6 {A13: English Opening: 1...e6.} 9. Na3 Bxa3 10. bxa3 O-O {The position is equal.} 11. Bf4 {[#]} Qa5 $146 (11... Ng4 $1 $11) ({Predecessor:} 11... Ng4 12. Re1 Re8 13. Ne5 Ngxe5 14. Bxe5 Bd7 15. Bd6 e5 16. Qh5 Qf6 17. c5 Rac8 {1-0 (54) Odendahl,R (2359)-Haria,R (2463) Belgium 2020}) 12. Rb1 Rd8 13. a4 $36 {[%mdl 2048] White is on the roll.} a6 14. Qb3 (14. Re1 $16) 14... e5 $11 15. Bd2 Qc7 16. Rfe1 Nd7 17. Qa3 b6 {[#]} (17... a5 $11) 18. a5 $1 $16 {[%cal Ra5b6][%mdl 512] axb6 is the strong threat.} bxa5 $2 {[#]} (18... Rb8 $16) 19. Nh4 $2 ({White has to play} 19. Nxd4 $1 $18 {[%mdl 512]} exd4 (19... Nxd4 20. Bxa5) 20. Bf4) 19... Rb8 $11 20. Rxb8 Ndxb8 21. f4 Re8 22. Qc5 {[%mdl 1024] White has compensation.} Re6 {[#]} 23. Bd5 ({White should try} 23. f5 $1 $16 {[%cal Rf5e6]} Qe7 24. Qb6) 23... Nd7 24. Qa3 Re8 $1 25. Nf5 (25. Qa4 $11 {keeps the balance.} Nb4 26. Bxb4 axb4 27. Nf3 (27. Qxb4 Nf6 $15)) 25... Nb4 $1 $17 26. fxe5 $2 {[%mdl 8192]} (26. Bxb4 $17 {is a better defense.} axb4 27. Qa4) 26... Nxe5 $19 27. Nxd4 Nxd5 28. cxd5 $2 (28. Qxa5 Qxa5 29. Bxa5) 28... Qb6 29. Be3 {[#]} Nf3+ $1 {[%mdl 512]} 30. Nxf3 Rxe3 31. Kg2 Bg4 32. Rf1 $2 (32. Rxe3 $19 Qxe3 33. Ng1) 32... Re2+ {Black mates.} 33. Kh1 Bxf3+ {[%mdl 64] Overworked Piece} 34. Rxf3 Qb1+ {[%mdl 32832] Double Attack. Never resign too early! Accuracy: White = 39%, Black = 64%. . Loss on time!?} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "2.4"]
[White "Harikrishna, Pentala"]
[Black "Naiditsch, Arkadij"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "2719"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "88"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,88,0,0,0,0,0,0,0,-14,0,-2,0,-31,-27,-38,-31,-34,-33,-44,-27,-43,-36,-38,-27,-60,-40,-64,-62,-98,-86,-96,-101,-85,-57,-54,-54,-85,-81,-81,-79,-90,-83,-95,-95,-110,-83,-92,-96,-101,-77,-154,-134,-204,-204,-196,-182,-239,-233,-239,-215,-277,-273,-264,-257,-283,-43,-468,-456,-529,-520,-452,-367,-399,-229,-218,-231,-225,-211,-188,-180]} 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d3 d5 5. cxd5 Nxd5 6. e4 Nf6 {A28: English Opening: Four Knights Variation.} 7. h3 Bc5 8. Be3 Qe7 {The position is equal.} 9. Be2 O-O 10. O-O Rd8 11. Rc1 {[#]} Nd4 $146 ({Predecessor:} 11... Bb6 12. a3 h6 13. Qc2 Be6 14. Na4 Bd4 15. b4 a6 16. Nxd4 exd4 17. Bf4 Nd7 18. Bxc7 {1-0 (39) Ju,W (2535)-Ni,S (2213) China 2013}) 12. Bxd4 Bxd4 13. Nxd4 Rxd4 14. Qd2 c5 15. f4 b6 16. Qe3 exf4 17. Rxf4 Be6 18. Rcf1 Rad8 19. a3 {[#]} a6 $1 20. e5 {[#]} Nd5 $1 {[%cal Rd5e3]} 21. Nxd5 R8xd5 22. Rxd4 Rxd4 23. Rf4 Qg5 24. Re4 Qxe3+ 25. Rxe3 $17 {[%mdl 4096] Endgame KRB-KRB} Kf8 26. Kf2 Ke7 27. Bf3 g6 28. Bb7 a5 {[%cal Ba6a5,Ba5a4][%mdl 32]} 29. Ba6 Bd7 30. Bc4 (30. Rf3 $142) 30... b5 31. Ba2 (31. Bb3 $17 {keeps fighting.}) 31... h5 $19 32. Ke2 Bf5 33. Bb3 (33. Rf3 $142) 33... a4 34. Ba2 h4 35. Rf3 c4 36. dxc4 bxc4 37. Rc3 Bd3+ 38. Kf3 $2 {[%mdl 8192] Now White is beyond hope.} (38. Ke3 $1 $15 Re4+ {[%mdl 64] Double Attack} 39. Kf3) 38... g5 39. Ke3 Re4+ 40. Kf3 Rf4+ 41. Ke3 Bf1 (41... f5 $142 {Strongly threatening ...Re4+.} 42. exf6+ Kxf6) 42. Rc2 {Black is clearly better.} Ke6 43. Rd2 Kxe5 44. Bb1 g4 {Accuracy: White = 64%, Black = 90%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "2.4"]
[White "Harikrishna, Pentala"]
[Black "Naiditsch, Arkadij"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2719"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,77,21,11,15,10,7,0,0,0,0,0,0,0,0,0,0,0,0,0,12,6,8,2,4,11,6,13,9,13,17,0,4,0,0,0,0,0,0,0,0,0,32,39,125,126,236,140,356,391,353,188,188,188,469,456,464,437,882,882,880,862,862,854,829,593]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 h6 7. Re1 O-O 8. h3 a5 {now scores much better than the old 8...a6. Played by Magnus Carlsen in May 2020. C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. a4 Be6 10. Nbd2 Bxc4 {The position is equal.} 11. Nxc4 Re8 12. Be3 Bxe3 13. Nxe3 Qd7 14. Qb3 b6 15. Qb5 {[#]} Rad8 $146 ({Predecessor:} 15... Ne7 16. Qxd7 Nxd7 17. d4 Red8 18. g3 g6 19. Re2 Kg7 20. Kg2 Rac8 {½-½ (30) Volodarsky,Y (2379)-Simal Moreira,L (2384) GER email 2018}) 16. Nc4 Na7 17. Qxd7 Rxd7 18. b4 axb4 19. cxb4 b5 20. axb5 Nxb5 21. Na5 c5 22. bxc5 dxc5 23. Rac1 Nd4 24. Nxd4 cxd4 25. Nc4 Rde7 26. Ra1 Nd7 27. Ra5 g6 28. Rb1 $36 {[%mdl 2048] White fights for an advantage.} Kf8 (28... f6 $14) 29. Rb7 $16 h5 (29... f6 $16) 30. Kf1 ({White should play} 30. Nd6 $18 Rd8 31. Raa7) 30... Rd8 $2 {[#] Now Black is done in.} (30... f6 $16) 31. Raa7 $18 Ke8 32. Ke2 (32. Nd6+ $142 Kf8 33. Rc7) 32... Re6 33. Rc7 Ke7 $2 (33... g5 {is a better defense.} 34. g3 h4) 34. Na5 {White is clearly winning.} Kd6 35. h4 Ree8 (35... f6 $142 36. g3 g5 37. hxg5 fxg5) 36. Nc4+ Ke6 37. Rc6+ Ke7 38. Nxe5 f6 39. Nxd7 {Accuracy: White = 79%, Black = 62%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "3.1"]
[White "Studer, Noel"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "D25"]
[WhiteElo "2580"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,90,39,41,14,10,0,2,0,0,0,0,-4,-20,-14,0,-7,10,12,10,11,21,8,7,14,30,35,10,0,43,0,0,0,0,-60,0,-34,0,0,0,0,0,0,0,0,0,3,24,0,0,0,137,130,137,115,118,27,29,30,31,0,0,0,14,0,0,0,0,-2,0,-10,-10,-10,0,0,0,0,0]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Be7 8. O-O Nbd7 9. Re1 {D25: Queen's Gambit Accepted: 4 e3: sidelines and 4...Bg4.} O-O 10. g4 Bg6 {[#]} 11. Nh4 $146 ({Predecessor:} 11. e4 Ne8 12. Bf4 Nd6 13. Bb3 Nb6 14. Qe2 Re8 15. Rad1 c6 16. Qf1 Bf8 17. d5 exd5 18. exd5 Rxe1 19. Qxe1 {½-½ (34) Giordani,M (2156)-Schuetz,P (1963) Budapest 2004}) 11... c5 12. Nxg6 hxg6 13. Bf1 cxd4 14. Qxd4 Nc5 15. Bg2 Rb8 16. Rd1 Qc8 17. Qc4 a6 18. Bd2 b5 19. Qf1 Rd8 20. Ne2 e5 21. Rac1 {aiming for b4.} Qe6 22. b3 (22. Ba5 $5 {[%cal Ra5d8]} Rxd1 23. Qxd1 $14) 22... b4 23. Ng3 a5 24. g5 ({White should play} 24. Rc2 $11) 24... Nd5 ({Black should try} 24... Nh5 $15 25. Nxh5 gxh5) 25. Qc4 {[#]} (25. Be1 {seems wilder.} Nc7 26. Rxd8+ Rxd8 27. h4 Qg4 28. Ne4) 25... Nc3 $1 {[%mdl 512]} 26. Qxe6 (26. Bxc3 Rxd1+) 26... Nxe6 27. Bxc3 Rxd1+ 28. Rxd1 bxc3 29. Rc1 Nxg5 30. Rxc3 Ne6 31. Bd5 Nc5 32. Ne4 Na6 {[#]} (32... Nxe4 $11 {keeps the balance.} 33. Bxe4 Rd8) 33. Bc4 $1 $16 {[%cal Rc4a6]} Rb6 34. Rd3 Nb8 35. Nc3 (35. Rd5 $16) 35... Rd6 $11 36. Rxd6 Bxd6 {[%mdl 4096] Endgame KBN-KBN} 37. Bd5 Na6 {The position is equal.} 38. Bc4 Nb4 39. a3 {Nb5 is the strong threat.} Nc2 40. a4 Kf8 41. Nd5 f5 42. Bd3 Ne1 43. Be2 Nc2 44. Bd3 Nb4 45. Nxb4 Bxb4 {Accuracy: White = 78%, Black = 91%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "3.2"]
[White "Naiditsch, Arkadij"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "2626"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,5,7,-44,-37,-42,-37,-50,-17,-22,-15,-24,-12,-43,-18,-43,-41,-36,-49,-46,-39,-45,-44,-61,-25,-33,-25,-33,-33,-73,-47,-71,-22,-205,-197,-272,-289,-274,-286,-297,-306]} 1. d4 d5 2. Nf3 Nf6 3. e3 Bf5 4. Nbd2 h6 5. Ne5 e6 6. g4 {D04: Colle System.} ({White should try} 6. Bd3 $11) 6... Bh7 $1 $15 7. h4 {[#]} Nfd7 $146 ({Predecessor:} 7... Ne4 8. Nxe4 Bxe4 9. f3 Bh7 10. Qe2 c6 11. c3 Be7 12. Qf2 Nd7 13. Nd3 Qc7 {½-½ (44) Calton,B (2209)-Jarosz,S (2051) Auburn Hills 2002}) 8. Ndf3 {Black is slightly better.} Nxe5 9. Nxe5 Nd7 10. Bd3 Bxd3 11. cxd3 (11. Qxd3 {feels hotter.} c5 12. Nxd7 c4 13. Qe2 Qxd7 14. e4) 11... Bd6 (11... Nxe5 {keeps more tension.} 12. dxe5 Be7 13. h5 O-O 14. f4 c5) 12. Nxd7 Qxd7 13. Bd2 O-O-O 14. h5 Rhe8 15. Bc3 f6 16. Qf3 Qb5 17. O-O-O e5 18. Qf5+ Kb8 19. Rhe1 a5 {[%cal Ba7a5,Ba5a4,Ba4a3][%mdl 32]} 20. Kb1 a4 21. e4 $2 {White does not recover from this.} (21. Re2 $11 {and White is okay.}) 21... a3 {And now ...exd4 would win.} 22. dxe5 {[#]} (22. b3 $142) 22... Bb4 $1 $19 {[%cal Rb4c3] Black has a decisive advantage.} ({And not} 22... Bxe5 23. d4 $11) ({Less strong is} 22... fxe5 23. exd5 Rf8 24. Qe4 $17) 23. Bxb4 Qxb4 {[%csl Ga3][%cal Rb4b2]} 24. Re2 Rxe5 {Accuracy: White = 58%, Black = 77%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "3.3"]
[White "Adams, Michael"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2701"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,61,16,19,22,29,10,29,25,15,12,22,6,18,10,11,12,8,0,0,-10,0,-6,0,-37,-13,-23,0,-7,8,0,38,0,0,0,0,0,0,0,0,0,0,-10,-4,-12,0,0,-1,-1]} 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O a6 5. Bxd7+ Bxd7 6. d4 cxd4 7. Qxd4 e5 8. Qd3 h6 9. Nc3 {B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} Rc8 10. Nd2 Qc7 11. Rd1 {White has an edge.} Nf6 12. Nf1 Bg4 13. Re1 Be7 14. Ne3 Be6 15. a4 O-O 16. Bd2 Qc5 17. Red1 Bd8 {[#]} 18. h3 $146 ({Predecessor:} 18. a5 Qd4 19. Be1 Qxd3 20. Rxd3 Rc5 21. f3 g6 22. b3 Nh5 23. Ncd5 Nf4 24. Nxf4 exf4 25. Nd5 Bxd5 26. Rxd5 Rxc2 27. Rxd6 Rb2 28. Rd3 Rc2 29. Rad1 Bf6 {0-1 (29) Antonio,R (2478)-Gupta,A (2633) Olongapo City 2015}) 18... Bb6 19. Qe2 (19. a5 {looks sharper.} Ba7 20. Be1 Qd4 21. Qe2 Qc5 22. Qd3) 19... Qc6 20. Qf3 Bxe3 21. Bxe3 Kh7 22. a5 Rfd8 23. Bb6 Rd7 {The position is equal.} 24. Rd3 d5 25. exd5 Nxd5 26. Nxd5 Rxd5 27. Rc3 Qd7 28. Rxc8 Qxc8 29. Rd1 Qd7 30. Rxd5 Qxd5 31. Qxd5 {A rather calm draw. Accuracy: White = 88%, Black = 94%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.19"]
[Round "3.4"]
[White "Anton Guijarro, David"]
[Black "Edouard, Romain"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2703"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,106,24,25,32,21,55,43,104,65,64,75,113,88,124,123,161,162,153,150,154,161,153,89,89,89,89,87,174,168,274,274,361,274,274,259,290,188,189,189,252,247,275,275,275,275,357,170,383,383,383,383,383,383,383,383,383,383,337,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 e6 5. Bg2 d5 6. cxd5 exd5 7. d4 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4 Be7 11. Be3 Re8 12. Rc1 Bg4 13. h3 Bh5 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} 14. Nd4 Nxd4 15. Bxd4 {[#]} Bb4 $146 (15... Ne4 $14) ({Predecessor:} 15... Bf8 16. Bf3 Bxf3 17. exf3 Nd7 18. Qb3 Qa5 19. Rfd1 b5 20. Nc3 Ne5 21. Nxd5 Rad8 {1-0 (31) Mareco,S (2592)-Mahia,G (2366) Saenz Pena 2014}) 16. Bf3 (16. Qb3 {with more complications.} Bd6 17. Rfe1 b6 18. e3 Bg6 19. Red1) 16... Bxf3 17. exf3 b6 18. Kg2 Nd7 19. Qb3 Bc5 20. Bxc5 Nxc5 21. Nxc5 bxc5 22. Rxc5 Rb8 23. Rxd5 (23. Rb5 $142) 23... Rxb3 $16 24. Rxd8 Rxd8 25. axb3 {[%mdl 4096] Endgame KR-KR} Rd2 (25... Rd3 $16) 26. Ra1 $18 Rxb2 (26... Rd7 $142 27. Ra4 g6) 27. Rxa7 {[%cal Ra7a8] [#]} g5 28. Rb7 Kg7 29. Rb6 h5 30. f4 gxf4 31. gxf4 h4 (31... Rd2 $142 32. Kg3 Rd5) 32. f5 Kh7 33. Kf3 Kg7 34. b4 Kh7 35. b5 (35. Kf4 $142) 35... Kg7 $2 (35... Rb4 36. Ke3 Rb3+ 37. Kf4 Rxh3) 36. Kg4 Rxf2 37. Rc6 Rb2 38. b6 Rb4+ 39. Kg5 Rb5 40. Rd6 Rb4 {[#]} 41. f6+ $2 (41. Kh5 $1 $18) 41... Kh7 $1 $11 {The position is equal.} 42. Kf5 Rb5+ 43. Ke4 Rb3 $1 44. Kd5 Rxh3 45. Kc6 {Strongly threatening b7.} Rc3+ $1 46. Kd7 Rb3 47. Kc7 h3 48. b7 {Threatens to win with Rd3!} h2 49. Rd1 Rc3+ 50. Kd8 Rb3 51. Kc8 Rc3+ 52. Kd8 Rb3 53. Kc8 Rc3+ {Blacks defense is rewarded with a draw. Accuracy: White = 75%, Black = 52%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "4.1"]
[White "Anton Guijarro, David"]
[Black "Studer, Noel"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2703"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 28,92,0,0,0,-30,0,-4,0,-11,0,0,20,17,91,102,102,103,195,183,238,214,229,132,125,126,276,151,208,160,130,74,53,0,0,-117,0,-155,-83,-207,-175,-165,-168,-160,-66,-229,-104,-268,-252,-1516,-1491,-4798,-971,-978,-973,-958,-954,-897,-840,-814,-788,-5622,-5608,-5406,-5293,-4831,-4802]} 1. Nf3 d5 2. c4 e6 3. e3 Nf6 4. d4 c5 5. cxd5 exd5 6. Bb5+ Nbd7 7. dxc5 Bxc5 8. O-O O-O 9. Nc3 a6 10. Be2 Nb8 11. b3 Nc6 12. Bb2 Ba7 13. Rc1 Re8 14. Na4 Ne4 15. Nd4 Qg5 {D32: Tarrasch Defence: Sidelines and lines without g3.} 16. f4 Qh6 17. Bf3 $1 Qd6 {The position is equal.} 18. Re1 Bd7 19. Nxc6 bxc6 {[#]} 20. Be5 $146 {[%mdl 2048] White has some pressure.} ({Predecessor:} 20. Bd4 c5 21. Be5 Qe6 22. Bxe4 dxe4 23. Nxc5 Bxc5 24. Rxc5 {½-½ (35) Eperjesi,L (2250)-Estremera Panos,S (2394) Porto San Giorgio 2009}) 20... Rxe5 (20... Qh6 $11 {keeps the balance.} 21. Bd4 (21. Bxe4 Rxe5 22. Bxh7+ Kxh7 $15) 21... Bxd4 22. Qxd4 Bf5) 21. fxe5 $16 Qh6 22. Qe2 {Strongly threatening Bxe4.} Re8 (22... Ng5 $16) 23. Bxe4 $1 $18 {And now Bd3 would win.} dxe4 (23... Rxe5 $142 24. Nc5 Bxc5 25. Bxh7+ (25. Rxc5 Rxe4 26. Qxa6 Qe6 $16) 25... Qxh7 26. Rxc5 Qh4) 24. Nc5 Bc8 25. b4 (25. Nxe4 $6 Rxe5 26. Rcd1 Bb6) (25. Qc4 $18) 25... Rxe5 $16 26. Rcd1 {Threatening mate with Rd8+.} Bb6 (26... Qh4 $16) 27. Rd4 (27. Nd7 $18 Bxd7 28. Rxd7) 27... Bc7 (27... g6 $16 28. Qc4 Qh4) 28. g3 ({Don't play} 28. Nxe4 $6 Qg6 $16) 28... Qg6 29. Red1 (29. Nxa6 $142 Bb6 30. Nc5 $1 {[%mdl 512]}) 29... Re8 30. Qf2 (30. Nxe4 $14 Bb6 31. Nc5) 30... h5 $11 31. Kf1 (31. Qc2 $11 {remains equal.}) 31... Kh7 (31... a5 $17 32. a3 axb4 33. axb4 h4 34. gxh4 Bh3+ 35. Ke1 Be5) 32. R1d2 $2 {[#]} (32. Nd7 $1 $11) 32... a5 ({Black should play} 32... Bh3+ $1 33. Ke1 a5) 33. a3 (33. Qg2 $17 {was called for.}) 33... axb4 34. axb4 Bh3+ 35. Ke1 Bg4 (35... f5 $17 36. Rc2 Be5) 36. Ra2 $2 ({Better is} 36. Rd7 $1 $15 Bxd7 37. Rxd7) 36... Bf3 (36... Be5 $19 {has better winning chances.} 37. Rc4 Rd8) 37. Ra6 $2 (37. Nd7 $17) 37... Be5 $19 38. Qd2 $2 (38. Nb3 Qe6 39. Qc2 (39. Nc5 $2 Qc8 $19)) 38... h4 {Black is clearly winning.} 39. Nd7 Bxd4 (39... hxg3 $142 40. Ra2 gxh2 41. Qxh2+ Bxh2 42. Rxh2+ Kg8) 40. Qxd4 hxg3 41. hxg3 Qxg3+ 42. Kd2 Qf2+ 43. Kc3 Qe1+ 44. Kb3 Qb1+ 45. Ka3 Qd3+ 46. Qxd3 exd3 {Accuracy: White = 32%, Black = 46%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "4.2"]
[White "Edouard, Romain"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "2649"]
[BlackElo "2701"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 22,84,5,0,0,-23,39,0,0,0,0,-57,3,-11,-33,-35,-40,-35,-81,-25,0,-81,-69,-84,-62,-68,-50,-45,-32,-37,-42,-47,-41,-41,-8,-16,0,-4,0,-13,0,0,0,0,0,0,0,0,0,0,0,-127,-11,-13,14,15,13,1,1,-62,-60,-649,-633,-608,-605]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 c5 5. g3 cxd4 6. Nxd4 O-O 7. Bg2 d5 8. Qb3 Bxc3+ 9. bxc3 Nc6 10. cxd5 Na5 11. Qc2 Nxd5 12. O-O Bd7 {E20: Nimzo-Indian: 4 g3 and 4 f3.} 13. e4 {[#]} Ne7 $146 (13... Nb6 $11) ({Predecessor:} 13... Nb6 14. e5 Qc7 15. Be4 h6 16. Bf4 Bc6 17. Nxc6 Nxc6 18. c4 Nd4 19. Qd1 Qxc4 20. Re1 {½-½ (32) Edouard,R (2659)-Jones,G (2661) London 2014}) 14. e5 Rc8 {The position is equal.} 15. Be4 h6 16. Qe2 (16. Re1 $11) 16... Nf5 (16... Nd5 $1 $15) 17. Qg4 (17. Rd1 {looks sharper.} Qc7 18. Rb1 Rfd8 19. Bxf5 exf5 20. Bf4) 17... Rxc3 18. Bxf5 exf5 19. Nxf5 Bxf5 20. Qxf5 Qc8 21. Qh5 (21. e6 $11 Rc5 22. Qg4) 21... Nc4 22. Bf4 Qe6 23. h4 Rd8 24. Rfd1 Rcd3 25. Rxd3 Rxd3 26. Qe2 Rd5 {[%cal Rc4e5]} 27. Re1 ({Wrong is} 27. Qxc4 $2 Rd1+ 28. Rxd1 Qxc4 $19) 27... b5 {[#]} 28. a4 $1 {[%mdl 512]} a6 (28... bxa4 29. Qxc4) 29. axb5 axb5 30. Qe4 Nb2 31. Ra1 {Threatening mate with Ra8+.} Na4 32. Qf3 Rd8 33. Rc1 Rc8 34. Rd1 Nc5 35. Rd6 Qf5 36. Rb6 {[#]} (36. Kg2 $11 {remains equal.}) 36... Ne6 (36... Nd3 $1 $17 {...Rc1+! is the strong threat.} 37. Rd6 {[#]} (37. Rxb5 $2 Rc1+ {[%mdl 64] Pin} 38. Kh2 Rc2 $19) 37... Rc1+ $1 {[%mdl 512]} 38. Kh2 Nxe5) 37. Kg2 $1 $11 Qb1 38. Be3 Qd3 39. Rb7 Rf8 40. Qc6 (40. Kh2 $11) 40... Nd8 $1 $15 {[%csl LRb7,LRc6][%mdl 64] Double Attack} 41. Qf3 $2 {[%mdl 8192]} (41. Rd7 $15) 41... Nxb7 $19 42. Qxb7 Rd8 {Accuracy: White = 74%, Black = 71%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.21"]
[Round "4.3"]
[White "Wojtaszek, Radoslaw"]
[Black "Naiditsch, Arkadij"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2719"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 12,77,2,3,8,11,27,27,32,33,22,10,31,26,12,11,113,43,46,45,109,145,124,67,81,21,48,66,121,18,68,0,0,0,0,0,241,250,240,245,223,141,146,113,135,122,114,107,121,91,214,218,215,222,228,173,217,139,218,0,192,191,29970,6187,29988,29989,29995,29992]} 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Nd2 O-O 6. Ngf3 dxc4 7. Qc2 b5 {E04: Open Catalan: 5 Nf3.} 8. a4 bxa4 9. O-O Bb7 {White has an edge.} 10. Nxc4 c5 {[#]} 11. Rd1 $5 $146 {[%mdl 8] New and interesting.} ({Predecessor:} 11. Bg5 Nc6 12. dxc5 Bxc5 13. Rad1 Qe7 14. Nce5 Nxe5 15. Nxe5 Qc7 16. Nc6 Qb6 17. Bxf6 gxf6 18. Qxa4 Bxc6 19. Qxc6 {½-½ (43) Kucuksari,K (2337)-Petrov,N (2592) Prague 2020}) 11... cxd4 12. Rxd4 Qe7 13. Bg5 {Threatens to win with Rh4.} Nc6 (13... Nbd7 $11) 14. Rf4 (14. Bxf6 $6 Qxf6 15. Rh4 g6 $11) ({Better is} 14. Rh4 $1 $16 {Black must now prevent Bxf6.} h6 15. Bxf6 Qxf6 16. Nfe5 $1 {[%mdl 512]} Nxe5 17. Bxb7) 14... Rfd8 15. Qxa4 h6 (15... Bc5 $14) 16. Bxf6 $16 gxf6 17. Rh4 (17. Ne3 $1 $16) 17... Rac8 18. Ne3 (18. Rxh6 $16 a5 19. Ne3 (19. Qc2 f5 $14)) 18... f5 19. Rxh6 Bc5 ({Black should play} 19... a5 $14) 20. Qb3 (20. Qf4 $1 $16 {aiming for Nxf5!} Bd6 21. Nxf5 {[%mdl 64] Pin} Bxf4 22. Nxe7+ Nxe7 23. gxf4) 20... Rb8 21. Ra4 (21. Qc3 Nd4 $15) (21. Nc2 $1 $14) 21... Nd4 $11 22. Nxd4 Bxd4 23. Rb4 {[%cal Rb4b7]} Qg5 $2 (23... Qf8 $1 $11 {and Black is okay.} 24. Rh4 Be4 25. Rxb8 Rxb8) 24. Rh4 $18 Bb6 25. Bxb7 ({Don't play} 25. Qc3 $6 Qg7 $16) 25... Rxb7 26. Qc3 {[%csl Gc3][%cal Rh4h8]} Qg7 27. Qc6 $40 {[%mdl 128] White goes for the king.} Rbd7 28. Qf3 Bd4 29. b3 Kf8 30. Kg2 a5 (30... Qe5 $16) 31. Rb5 $1 Bc3 32. Nc4 Bf6 33. Rh5 Rd1 34. Rb7 Rb1 (34... Re1 $16 35. Nxa5 Qg4) 35. Qc6 $2 (35. e4 $18) 35... Qg6 $2 {[#]} (35... Qg4 $1 $11 36. Rh7 Qxe2 37. Rhxf7+ Kg8) 36. Rh3 $1 Rdd1 $2 {[#]} (36... Qg4 $18) 37. Qc8+ (37. Ne5 $142 $1 {[%mdl 512]} Qg8 (37... Bxe5 38. Qc8+) 38. Rxf7+ Qxf7 39. Nxf7 Kxf7 40. Qc7+ Be7 41. Rh7+ Kf6 42. Qxe7+ Ke5 43. Qc7+ {[%mdl 64] Double Attack} Ke4 44. Qc4+ Ke5 45. f4+ Kf6 46. Qc3+ {[%mdl 64] Double Attack} e5 47. Qxe5+ Kg6 48. Qg7#) 37... Bd8 {[#]} 38. Ne5 $1 {[%mdl 64] Double Attack} Qg4 39. Nxg4 {Accuracy: White = 57%, Black = 52%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "4.4"]
[White "Keymer, Vincent"]
[Black "Harikrishna, Pentala"]
[Result "1/2-1/2"]
[ECO "A31"]
[WhiteElo "2558"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 16,85,20,13,25,29,38,41,36,36,35,35,33,14,10,29,28,31,25,20,31,28,23,23,23,27,32,35,28,22,30,12,14,0,0,-2,1,0,4,4,12,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 d6 6. O-O Bg7 7. d4 cxd4 8. Nxd4 Bd7 9. b3 Qa5 {A31: Symmetrical English: 2 Nf3 Nf6 3 d4.} 10. Bb2 Qh5 11. Nd5 Nxd5 {White is slightly better.} 12. cxd5 Nxd4 13. Bxd4 O-O 14. Bxg7 Kxg7 15. Qd4+ {[#]} Qe5 $146 ({Predecessor:} 15... f6 16. Rac1 Rfc8 17. Rxc8 Rxc8 18. Qxa7 Qxe2 19. Qxb7 Bf5 20. a4 Rc2 21. Qb4 Kf7 {0-1 (37) Teske,H (2513)-Giri,A (2466) Germany 2008}) 16. Qxe5+ dxe5 17. Rac1 {aiming for Rc7.} Rac8 18. d6 exd6 19. Bxb7 Rxc1 20. Rxc1 $11 {[%mdl 4096] Endgame KRB-KRB} Be6 21. Ba6 Rd8 22. Rc7 Rd7 23. Rxd7 (23. Rc2 {is interesting.} Kf6 24. f3 d5 25. Bb5 Rb7 26. Rc5) 23... Bxd7 {KB-KB. The position is equal.} 24. b4 Kf6 25. Bb7 Ke7 26. f4 exf4 27. gxf4 h6 28. h4 Kd8 29. Bd5 f6 30. Kf2 Kc7 31. Ke3 Kb6 32. Bc4 g5 33. fxg5 fxg5 34. hxg5 hxg5 35. a3 Bc6 36. Bd3 Bb5 {[#] And now ...Bxd3 would win.} 37. Bf5 Bc4 38. Bd7 Bd5 39. Kd4 Bg2 40. e4 Bf3 41. e5 dxe5+ 42. Kxe5 a5 43. Kd4 {Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "5.1"]
[White "Studer, Noel"]
[Black "Keymer, Vincent"]
[Result "0-1"]
[ECO "E08"]
[WhiteElo "2580"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "112"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 23,112,0,0,0,2,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,24,-7,-7,-2,-12,-7,0,0,0,-8,-5,-16,-8,-13,0,0,0,0,0,0,0,-6,0,0,6,0,109,101,66,0,0,-126,-8,-165,-162,-154,-16,-40,-25,-329,-292,-372,-229,-569,-569,-541,-315,-315,-284,-533,-510,-510,-510,-29968,-29969,-29969,-29970,-29970,-4141,-29970,-4141,-29969,-29966,-29983,-29984]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 b6 10. cxd5 cxd5 11. Rc1 Bb7 12. Bc7 Qe8 13. Qb3 {E08: Closed Catalan: Main Line: 7 Qc2.} Ne4 14. Nc3 Rc8 15. Nb5 {The position is equal.} Ndc5 16. dxc5 bxc5 17. Be5 c4 18. Qa4 f6 19. Bd4 {[#]} e5 $146 ({Predecessor:} 19... a6 20. Nc3 Nxc3 21. Qxe8 Nxe2+ 22. Kf1 Rfxe8 23. Kxe2 e5 24. Bb6 d4 25. Ba5 Bd5 {½-½ (91) Ponomariov,R (2663)-Gajewski,G (2595) Germany 2019}) 20. Bxa7 {Hoping for b3.} Nd6 $1 21. Nc3 Qxa4 $1 22. Nxa4 {Threatens to win with Bc5.} Ra8 23. Bc5 {Black must now prevent Nb6.} Rxa4 24. Nd2 Rb8 25. b3 (25. e4 $5) 25... cxb3 $1 26. axb3 Rxa1 27. Rxa1 Kf7 28. b4 Ra8 29. Rxa8 (29. Ra5 {seems wilder.} Rxa5 30. bxa5 Ke6 31. e3 Ba6 32. Bh3+) 29... Bxa8 30. Nb3 Nb5 31. Kf1 Bxc5 32. Nxc5 $11 {[%mdl 4096] Endgame KBN-KBN} Ke7 33. Ke1 Kd6 34. Kd2 Nd4 35. Nd3 Nc6 36. Kc3 e4 37. Nc5 d4+ (37... Na7 $11 {keeps the balance.}) 38. Kc4 $16 f5 39. b5 (39. Bf1 $14) 39... d3 $1 $11 {[%cal Rd3e2]} 40. exd3 (40. Nxd3 $1 $11 exd3 41. Kc3) 40... Ne5+ (40... e3 $1 $17 {[%cal Re3e2]} 41. d4 Na5+ {[%mdl 64] Discovered Attack} 42. Kb4 Bxg2 43. fxe3 Nb7) 41. Kd4 $2 {[#]} (41. Kc3 $1 $11 {and White is okay.}) 41... e3 $1 $19 {[%cal Re3e2][%mdl 512] aiming for ...e2.} 42. Bf1 (42. Kxe3 Bxg2) 42... Nf3+ (42... Bg2 $17 43. h4 (43. Bxg2 $2 e2 $19) 43... Bxf1 44. fxe3 Nd7) 43. Kxe3 $11 Nxh2 44. Be2 $2 {[%mdl 8192]} (44. Kd4 $1 $11) 44... Kxc5 $19 45. d4+ Kd6 46. f3 $2 (46. Kf4) 46... g5 47. Bd3 Ke6 48. Bc4+ Kf6 49. Be2 $2 (49. d5 {keeps fighting.}) 49... h5 50. b6 {[#]} Bb7 $1 51. f4 (51. Kf2 $19 Ke7 52. Kg2) 51... Ng4+ 52. Kd2 gxf4 53. gxf4 h4 54. Bf1 Ke6 (54... Ke7 $142 55. Ke1 Kd6 56. Bh3 Be4 57. Kf1 Kc6 58. Ke1 Kxb6 59. d5 Kc5 60. d6 Kxd6 61. Kf1 Kc5 62. Ke1 Kd4 63. Ke2 Bb7 64. Kf1 Ba6+ 65. Ke1 Ke3 66. Bg2 Kxf4 67. Kd2 Kg3 68. Bh1 h3 69. Kc3 f4 70. Kb3 f3 71. Kb4 f2 72. Bc6 f1=Q 73. Kc5 Qf2+ 74. Kd6 {[#]} Qb6 $1 {[%mdl 512]} 75. Kd5 h2 76. Kd6 h1=Q 77. Ke6 Qhxc6+ 78. Ke7 Qa8 79. Kf7 Qf6#) 55. Bc4+ Kd6 56. Bd3 h3 {Accuracy: White = 52%, Black = 82%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "5.2"]
[White "Harikrishna, Pentala"]
[Black "Wojtaszek, Radoslaw"]
[Result "1/2-1/2"]
[ECO "D39"]
[WhiteElo "2719"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "145"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 14,145,0,0,-8,-13,0,-53,-47,-52,-47,-67,-57,-73,-56,-70,-29,-119,-135,-162,-147,-140,66,91,234,214,281,131,134,95,97,0,0,0,0,0,0,0,60,64,95,101,102,100,102,102,427,0,0,-31,76,21,20,0,0,0,0,0,0,0,0,0,8,5,3,3,27,14,85,0,0,0,0,0,102,0,0,0,130,92,90,97,158,14,0,0,1,0,72,86,156,161,120,145,314,308,280,255,303,307,472,20,47,8,8,8,18,32,45,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 6. Qa4+ Nc6 7. a3 Bxc3+ 8. bxc3 Qd5 {Threatens to win with ...Ne4. D39: Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} 9. Bxf6 gxf6 10. e3 (10. Nd2 $11) 10... b5 $15 {Black is slightly better.} 11. Qc2 a6 12. e4 Qd6 {[#]} 13. g3 $146 ({Predecessor:} 13. a4 Rb8 14. axb5 axb5 15. g3 Ne7 16. Rb1 c6 17. Qb2 Bb7 18. Nd2 O-O 19. Bg2 {½-½ (62) Schwartzman,P-Roodzant,C Buenos Aires 1939}) 13... Bb7 14. Bg2 e5 {[%cal Re5d4]} 15. Rd1 (15. d5 $11 Ne7 16. O-O) 15... Qxa3 $17 16. O-O O-O-O $1 17. Ra1 Qb3 $2 (17... Qd6 $1 $17 {[%cal Re5d4]} 18. d5 Ne7) 18. Qc1 $1 $14 b4 (18... Nb4 $16) 19. d5 $18 Na7 20. cxb4 (20. Qh6 $1 $18) 20... Nb5 21. Rb1 Qd3 22. Rd1 ({White should play} 22. Re1 $16) 22... Qxe4 $11 23. Nd2 Qd4 24. Ne4 Qb6 25. Nc5 $1 Nd4 (25... h5 $11) 26. Qxc4 $14 Qb5 $1 {[%cal Rb5c4]} 27. Rxd4 $1 exd4 28. Qxd4 Rd6 29. Bf1 Qe8 $2 {[%mdl 8192]} (29... Qb6 $16 {is a better chance.}) 30. Nxb7 $2 (30. b5 $18 a5 31. Na6) 30... Kxb7 $11 31. Rc1 Qa4 (31... Qd7 $15 {keeps the upper hand.}) 32. Ra1 (32. Qc3 $16 Qd7 33. b5) 32... Qb3 33. b5 {Qc5 is the strong threat.} a5 $1 34. Rxa5 Ra8 35. Ra6 Raxa6 36. bxa6+ {[%mdl 4096] Endgame KQR-KQB} Ka8 37. Qe4 Ka7 38. Qe7 Qc2 39. Qxf7 Rb6 40. Qe7 Qc1 (40... f5 $11 {remains equal.}) 41. Kg2 (41. Qxh7 $16 Rxa6 42. Kg2) 41... h6 42. Bd3 Rd6 43. Be2 Qc5 (43... Rb6 $11 {keeps the balance.}) 44. Bf3 (44. Qf8 $1 $16) 44... Kxa6 45. Qf8 h5 (45... Qc1 $1 $11) 46. Qa8+ {[%mdl 1024] White has strong compensation.} Kb6 47. Qb8+ Ka6 (47... Ka5 $142) 48. Be2+ ({Don't do} 48. Bxh5 Rxd5 49. Be2+ Ka5 $16) (48. h4 $16) 48... Ka5 49. Qa8+ Kb4 50. Bf3 Rb6 (50... c6 $11) 51. Bxh5 $16 Kc3 (51... f5 $142) 52. Qa1+ Rb2 {[#]} 53. Qe1+ $1 Rd2 $2 (53... Kd3 $16) 54. Bf3 $18 Qd4 55. h4 f5 {[#]} 56. h5 $1 f4 (56... Qb6 $142 57. Kg1 Kc2) 57. Qa1+ $2 (57. g4 $18) 57... Rb2 $1 $11 58. Qc1+ Kb3 $132 {[%mdl 2048] Black is not keeping still} 59. Qd1+ Qxd1 60. Bxd1+ {KR-KB} Kc4 61. Bf3 {Strongly threatening g4.} ({Much worse is} 61. gxf4 Kxd5 62. h6 Rb6 $11) 61... fxg3 {The position is equal.} 62. Kxg3 Kd4 63. Kf4 Rxf2 64. h6 Rh2 65. Kg5 Ke5 66. Bh5 Rg2+ 67. Bg4 $1 Rh2 68. Bf3 Rh3 69. Bh5 Ra3 70. h7 Ra8 71. Kh6 Rh8 72. Kg7 Rxh7+ 73. Kxh7 {Both players deserved the win here. Accuracy: White = 63%, Black = 61%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "5.3"]
[White "Naiditsch, Arkadij"]
[Black "Edouard, Romain"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2626"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 12,51,7,13,14,19,6,0,0,0,0,0,6,0,0,8,60,49,69,37,73,75,81,79,92,79,129,136,102,110,129,134,139,134,136,129,131,127,1660,1566,2518,2522]} 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. dxc5 Bxc5 6. Ngf3 Nf6 7. Bc4 Qc6 {C07: French Tarrasch: 3...c5, 4 Ngf3 and 4 exd5 Qxd5.} 8. Qe2 a6 9. Nb3 Bd6 {The position is equal.} 10. Nbd4 Qc7 11. Bg5 {[#]} O-O $146 ({Predecessor:} 11... Be7 12. O-O O-O 13. Rfe1 Nc6 14. Nxc6 Qxc6 15. Bd3 h6 16. Ne5 Qc7 17. Bxh6 gxh6 {0-1 (37) Nandhidhaa,P (2241)-Volovich,V (2306) Moscow 2018}) 12. Bxf6 gxf6 13. O-O-O Rd8 ({Black should play} 13... Kh8 $11) 14. Kb1 $36 {[%mdl 2048] White has the initiative.} Bf8 15. h4 Nc6 16. Nxc6 Rxd1+ 17. Rxd1 bxc6 18. g4 Rb8 19. g5 fxg5 20. Nxg5 {Hoping for Qd3.} h6 {[#]} 21. Ne4 $1 {[%cal Re4f6] Nf6+ is the strong threat.} Bg7 22. c3 c5 23. Qe3 Bb7 {Black wants to play ...Bxe4+.} 24. Nxc5 Bxc3 $2 {[%mdl 8192]} (24... Be4+ $16 25. Nxe4 Qxc4) 25. Qxc3 $18 {[#] White threatens Nxe6! and mate.} Qxc5 26. Qg3+ {[%mdl 64] Double Attack. Accuracy: White = 94%, Black = 58%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "5.4"]
[White "Adams, Michael"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "C77"]
[WhiteElo "2701"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 10,43,15,10,13,16,9,0,0,0,8,0,0,0,0,-16,-12,-15,14,0,0,0,0,-49,-40,-40,-25,-42,-24,-40,-16,-20,-12,-27,-13,-25]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 6. c3 d6 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} (6... b5 7. Bb3 d6 8. Bg5 h6 9. Bh4 Qe7 10. Nbd2 Bd7 11. Nf1 g5 12. Bg3 Nh5 13. Ne3 Bxe3 14. fxe3 Nxg3 15. hxg3 Na5 {½-½ (51) Adams,M (2727)-Anton Guijarro,D (2651) Heraklion 2017}) 7. Bg5 Ba7 8. Nbd2 h6 9. Bh4 {[#]} g5 $146 ({Predecessor:} 9... Bd7 10. Nf1 g5 11. Bg3 Nh5 12. Qd2 Nf4 13. Ne3 Bxe3 14. fxe3 Ng6 15. O-O g4 {0-1 (65) Sjugirov,S (2662)-Carlsen,M (2876) chess24.com INT 2020}) 10. Bg3 h5 {[#] Strongly threatening ...b5.} 11. h4 ({Don't play} 11. Nxg5 h4 $17) 11... g4 12. Nh2 Bd7 13. Nhf1 Ne7 14. Ne3 Bxa4 15. Qxa4+ Qd7 16. Qxd7+ Nxd7 17. Ke2 O-O 18. Raf1 Bxe3 19. fxe3 Kg7 20. a4 a5 21. Ra1 f6 22. Rhf1 {Accuracy: White = 93%, Black = 100%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "6.1"]
[White "Adams, Michael"]
[Black "Studer, Noel"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2701"]
[BlackElo "2580"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 13,59,20,29,10,8,6,11,14,0,0,0,0,11,4,0,0,0,8,27,41,99,97,97,103,107,8,12,7,61,10,3,0,74,27,105,117,443,439,591,151,168,143,160,158,155,182,1580,1572]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. Bxc6 dxc6 7. d3 Qe7 8. Nbd2 {8.a4 injects fresh life into this line. B31: Sicilian: 2...Nc6 3 Bb5 g6.} Be6 9. a4 f6 10. a5 {The position is equal.} Nh6 11. b3 O-O 12. Nc4 {[#]} Nf7 $146 ({Predecessor:} 12... Rfd8 13. Qe2 Nf7 14. Ba3 Bf8 15. Qe3 Rd7 16. Nfd2 Nd8 17. f4 exf4 18. Qxf4 Bxc4 19. bxc4 {1-0 (56) Tazbir,M (2552)-Pedzich,D (2395) Szklarska Poreba 2013}) 13. Be3 f5 14. exf5 gxf5 15. Ra4 Rad8 16. Bd2 {[%cal Rf3e5]} Qc7 (16... Bd5 $14) 17. Bc3 $16 Bxc4 18. Rxc4 Rd5 19. b4 (19. Rh4 $16) 19... cxb4 $1 $11 20. Rxb4 Re8 ({Black should play} 20... Qxa5 $11 21. Qb1 b5) 21. Qb1 (21. Rh4 $14) 21... Nd6 22. Qb3 Kh8 (22... e4 $11 23. a6 Bxc3 24. Qxc3 b6 25. dxe4 fxe4) 23. Nd2 Re6 (23... Nb5 $11) 24. Nc4 $36 {[%mdl 2048] And now Nxd6 would win. White is really pushing.} Nb5 $2 {[%mdl 8192] [#] Loses the game.} (24... Re7 $16) 25. Ne3 $1 $18 {[%csl LRd5,LRf5][%cal Re3d5]} Nxc3 26. Qxc3 $2 (26. Rxb7 $18 {is the precise move to win.} Qxa5 27. Rb8+ Rd8 28. Rxd8+ Qxd8 29. Qxe6 {[%mdl 64] Double Attack}) 26... e4 $16 27. d4 ({Not} 27. Nxd5 Bxc3 28. Nxc7 Bxb4 $11) 27... Rxa5 {[#] Black wants to play ...b6.} 28. Rxb7 $1 {[%mdl 576] Deflection} Qxb7 29. Qxa5 {Intending Qd8+ and mate.} Bxd4 $2 (29... Rf6 30. Nxf5 {[%mdl 64] Discovered Attack} Qb5 31. Qxb5 cxb5) 30. Qd8+ {[%mdl 64] Double Attack. Accuracy: White = 73%, Black = 51%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "6.2"]
[White "Anton Guijarro, David"]
[Black "Naiditsch, Arkadij"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2703"]
[BlackElo "2626"]
[Annotator "TA"]
[PlyCount "48"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 11,48,20,22,12,9,-1,0,7,7,11,6,0,0,0,5,0,0,0,15,17,19,8,13,15,12,0,0,0,11,0,0,9,15,17,14,0,0,0,0]} 1. Nf3 d5 2. b3 Nf6 3. Bb2 c5 4. e3 Nc6 5. Bb5 Bd7 6. O-O e6 {The position is equal.} 7. c4 {7.c4 is setting a new trend. Played by David Anton Guijarro in May 2020. A06: Réti Opening: 1 Nf3 d5.} dxc4 8. bxc4 Bd6 {[#]} 9. d3 $146 ({Predecessor:} 9. d4 O-O 10. d5 exd5 11. cxd5 Nb8 12. Nc3 a6 13. Be2 b5 14. a4 b4 15. Nb1 {1-0 (36) Potkin,V (2597)-Alekseenko,K (2638) St Petersburg 2018}) 9... a6 10. Ba4 Rb8 11. Nc3 O-O 12. Rb1 Qc7 13. h3 Rfd8 14. Qe2 Nb4 15. Bxd7 Rxd7 16. Rfd1 b5 17. cxb5 axb5 18. a4 bxa4 19. Nxa4 Nfd5 (19... Ra8 {feels hotter.} 20. Nc3 Qc6 21. Rbc1 Qb7 22. Rb1 Qc6) 20. Nc3 Nxc3 21. Bxc3 Rdd8 22. Rbc1 Qb7 23. d4 cxd4 24. Bxb4 Bxb4 {An uneventful encounter. Accuracy: White = 100%, Black = 100%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "6.3"]
[White "Edouard, Romain"]
[Black "Harikrishna, Pentala"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "2649"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 18,54,19,12,29,16,16,0,10,0,3,0,14,4,12,0,7,0,0,0,2,0,0,-47,-50,-41,-43,-44,-45,-72,-46,-116,-114,-129,-99,-335,-334,-330,-324]} 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 a6 6. O-O c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Be2 O-O 10. Nbd2 Rd8 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} 11. b3 Bd7 $5 {[%mdl 4] Exploring less charted territory.} 12. Nc4 Nc6 {[%cal Bb8c6,Bc6b4,Bb4a2][%mdl 32] The position is equal.} 13. Bb2 Be8 {[#]} 14. Kf1 $146 ({Predecessor:} 14. Nfe5 Rxd1+ 15. Rxd1 Rd8 16. Rxd8 Nxd8 17. Bf3 Be7 18. Nb6 Bc5 19. Bd4 Bxd4 20. exd4 {½-½ (42) Kramnik,V (2797)-Anand,V (2794) Mainz 2001}) 14... Nd5 15. Rac1 Be7 16. g3 Rac8 17. Nd4 Ncb4 18. a3 Na2 19. Rc2 b5 20. Ra1 bxc4 21. Bxc4 Nb6 22. Rxa2 Nxc4 23. bxc4 Ba4 $36 {[%mdl 2048] Black is pushing.} 24. Rc3 (24. Rc1 $15) 24... e5 $17 {[%mdl 1024] Black has strong compensation.} 25. Nf5 Bf8 {[#] White must now prevent ...Rd2.} 26. Bc1 $2 (26. Rc1 $17 {keeps fighting.}) 26... g6 $19 27. Nh4 e4 {Accuracy: White = 67%, Black = 94%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "6.4"]
[White "Wojtaszek, Radoslaw"]
[Black "Keymer, Vincent"]
[Result "1-0"]
[ECO "A18"]
[WhiteElo "2719"]
[BlackElo "2558"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 10,63,44,16,19,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,45,39,54,51,51,47,43,27,45,52,67,54,90,57,110,85,83,89,95,95,95,95,94,91,77,29,99,49,190,184,227,202,308,303]} 1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. cxd5 exd5 5. e5 Ne4 6. Nf3 (6. d4 {seems wilder.} Bb4 7. Qa4+ Nc6 8. Bb5 Bd7 9. Nge2) 6... Bf5 {A18: English Opening: Flohr-Mikenas System (1 c4 Nf6 2 Nc3 e6 3 e4).} 7. d3 (7. d4 {feels hotter.} Bb4 8. Bd2 Bxc3 9. Bxc3 O-O 10. Be2) 7... Nxc3 8. bxc3 c5 {The position is equal.} 9. d4 c4 10. a4 Nc6 11. Be2 Be7 12. O-O O-O 13. Ne1 f6 14. exf6 Bxf6 15. Nc2 {[#]} Qd7 $146 ({Predecessor:} 15... Na5 16. Ba3 Be7 17. Ne3 Bxa3 18. Rxa3 Be6 19. Ra2 Qd6 20. Re1 Rae8 21. Bf3 Bf7 {1-0 (57) Le,Q (2714)-Xu,Y (2536) Makati 2018}) 16. Ne3 Be6 17. Ba3 Rfe8 18. Ng4 Be7 19. Bxe7 Qxe7 20. Bf3 Bxg4 21. Bxg4 Qd6 22. Rb1 Rab8 (22... Re7 $14) 23. Bf3 a6 {[#]} 24. Rb6 $1 Re7 25. Qb1 Qd7 26. Qc1 Qd8 27. Qb2 Qd7 28. Qa3 Rd8 (28... Rf8 $11) 29. h3 Kf8 (29... Qe6 $14) 30. Rfb1 Na5 31. Re1 {Bxd5! is the strong threat.} Nc6 {[#]} (31... Qc7 {might work better.} 32. Rbe6 Nc6) 32. Bxd5 $1 {[%mdl 512] Accuracy: White = 85%, Black = 69%.} 1-0

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "7.1"]
[White "Studer, Noel"]
[Black "Wojtaszek, Radoslaw"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2580"]
[BlackElo "2719"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 15,78,31,20,11,37,35,39,32,32,36,28,34,32,33,34,24,31,27,33,23,38,15,10,15,30,16,18,18,22,3,14,0,4,0,0,-19,-19,-18,0,0,0,-25,-13,0,0,-27,-40,-31,-8,-8,-8,-8,-9,-30,-41,-152,-136,-389,-377,-572,-569,-571,-616,-616,-613]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 a5 7. O-O O-O 8. Bf4 Be7 9. Re1 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Na6 10. Nc3 Ne4 11. Nd2 {White is slightly better.} Nxc3 12. bxc3 Bxg2 13. Kxg2 d6 14. e4 Nb8 {[#]} 15. Rb1 $146 ({Predecessor:} 15. Nf3 a4 16. e5 Ra5 17. Qe2 Nc6 18. Rad1 dxe5 19. Bxe5 Nxe5 20. Nxe5 Qa8+ 21. Qe4 Qxe4+ 22. Rxe4 {½-½ (33) Nakamura,H (2781)-Rapport,R (2700) Caleta 2018}) 15... Nd7 16. Qa4 Qe8 17. Qc6 Rc8 18. Rb5 Nb8 19. Qxe8 Rfxe8 20. Be3 Nd7 21. a4 g6 22. h4 h5 23. f3 Kg7 24. Bg5 Bf8 25. g4 hxg4 26. fxg4 e5 27. Nf3 Kg8 28. h5 Bg7 29. Rbb1 Re6 30. Bd2 exd4 31. cxd4 Rce8 32. Ng5 R6e7 33. hxg6 fxg6 34. Be3 Nf6 35. c5 (35. d5 $15) 35... Nxe4 36. Rec1 $2 {[%mdl 8192] This move loses the game for White.} (36. Bf4 $17 {was worth a try.}) 36... dxc5 37. dxc5 (37. Nf3 $142) 37... Nc3 $19 {[%mdl 64] [#] Double Attack, Discovered Attack. Black is clearly winning.} 38. cxb6 Nxb1 39. bxc7 Nc3 {Accuracy: White = 67%, Black = 96%.} 0-1

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "7.2"]
[White "Keymer, Vincent"]
[Black "Edouard, Romain"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "2558"]
[BlackElo "2649"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 19,71,26,37,21,17,12,13,23,29,18,23,0,31,-16,24,7,32,0,14,5,26,26,25,14,21,41,62,27,30,58,34,8,6,6,7,0,0,0,0,0,0,0,0,0,19,19,19,19,14,14,15,14,17,3]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 Nf6 4. g3 e6 5. Bg2 d5 6. cxd5 exd5 7. d4 Be7 8. O-O O-O 9. Be3 c4 10. Ne5 Be6 11. Nxc6 {D34: Tarrasch Defence: 6 g3 Nf6 7 Bg2 Be7.} bxc6 12. b3 cxb3 13. axb3 Qb6 14. Na4 Qb5 {[#]} 15. Nc3 $146 ({Predecessor:} 15. Qc2 Nd7 16. Rfc1 Rfc8 17. Bf1 Qb4 18. Nb2 Qb6 19. Na4 Qb4 20. Nb2 Qb6 21. Qd3 {1-0 (40) Vadasz,L-Raicevic,V Sombor 1974}) 15... Qb4 16. Qc2 Rfb8 17. Rfb1 g6 {With the idea ...Bf5.} 18. Ra4 Bf5 19. Qc1 Qb7 20. Rb2 a5 21. Bf4 Rc8 22. Bg5 Ne4 23. Nxe4 dxe4 24. Bxe7 Qxe7 25. Rba2 c5 {The position is equal.} 26. d5 Rab8 27. Qc3 c4 28. bxc4 (28. Rxc4 $2 Rxc4 29. Qxc4 (29. bxc4 $2 {too greedy.} Rb1+ 30. Bf1 Bh3 $19) 29... Rc8 $17) 28... Rb1+ 29. Bf1 Bh3 {[%csl Gh3][%cal Rb1f1] [#]} 30. Ra1 Rcb8 $1 {aiming for ...Bxf1.} 31. Rxa5 {Threatens to win with Rb5.} Qd8 {White must now prevent ...Bxf1.} 32. Rb5 $1 {[%cal Rb5b1]} R1xb5 33. cxb5 Bxf1 34. Kxf1 {[#] Qb3 is the strong threat.} Qxd5 35. Qc6 Rxb5 36. Qxd5 {Accuracy: White = 81%, Black = 84%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "7.3"]
[White "Harikrishna, Pentala"]
[Black "Anton Guijarro, David"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2719"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 19,85,26,27,34,30,23,29,22,48,4,11,0,10,10,31,17,31,18,24,29,39,30,25,22,84,69,66,0,0,0,0,-2,0,-78,-82,-99,-101,-96,-102,-177,-185,-162,-135,-134,-136,-141,-145,-131,-135,-79,-53,-64,-80,-105,-51,-53,-25,-239,-170,-258,-261,-225,-15,-15,-15,-14,-14,-17]} 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Bxc5 8. Qxd8+ Kxd8 9. Nc3 b5 10. Be2 Bb7 11. Nd2 {D27: Queen's Gambit Accepted: Classical main line: 7 e4!? and 7 a4.} Ke7 $1 {[%mdl 4] outshines the older 11...Nbd7. Played by Shakhriyar Mamedyarov in June 2020.} 12. Nb3 Bd6 13. Na5 {White has an edge.} Ra7 14. Nxb7 (14. f3 {is more complex.} Nc6 15. Nb3 Bc7 16. a4 b4 17. Nd1) 14... Rxb7 15. Bd2 Rd8 16. Rfd1 {[#]} Rbd7 $146 {And now ...Bxh2+! would win.} ({Predecessor:} 16... Nc6 17. Be1 Rc7 18. Kf1 g5 19. h3 Ne5 20. a4 b4 21. Na2 a5 22. Nc1 Bc5 23. Rxd8 Kxd8 {½-½ (51) Fressinet,L (2625)-Edouard,R (2650) Chartres 2019}) 17. Be1 g5 18. h3 h5 19. Kf1 Be5 20. Rac1 Rxd1 21. Nxd1 Kd7 (21... h4 $11) 22. Rc5 Kd6 23. Bb4 ({White should try} 23. Rc2 $1 $14) 23... Nc6 $11 24. Rxb5+ Kd7 $1 ({Of course not} 24... Nxb4 $6 25. Rxb4 Kc7 26. Ra4 $16) 25. Rb7+ {[%mdl 64] Discovered Attack} Kc8 26. Rxf7 (26. Rb6 $11 {keeps the balance.} Kc7 27. Bc5) 26... Nxb4 $17 27. f4 gxf4 {[%mdl 64] Overworked Piece} 28. exf4 Bd4 29. g4 (29. a3 $17 Nbd5 30. Bxa6+ Kb8 31. Nc3) 29... hxg4 $19 30. hxg4 Rd7 31. Rxd7 Kxd7 32. a3 Nbd5 33. f5 e5 34. g5 Nh7 35. g6 Nhf6 36. Bc4 Kd6 ({Black should play} 36... Ke7 $17 {Threatens to win with ...Kf8.} 37. b4 e4) 37. g7 $15 Ne7 {aiming for ...e4.} 38. Nf2 $2 (38. Ke2 $11 {and White has nothing to worry.}) 38... a5 39. b4 (39. Nd1 $142) 39... axb4 $19 ({Worse is} 39... Nxf5 40. Ne4+ $1 {[%mdl 512]} Ke7 41. Nxf6 $11) 40. axb4 {[#]} e4 $2 ({Better is} 40... Be3 $1 $19 {Hoping for ...Bh6.} 41. Ke2 Bh6) 41. Nxe4+ $11 {The position is equal.} Nxe4 42. g8=Q Nxg8 43. Bxg8 {Accuracy: White = 68%, Black = 68%.} 1/2-1/2

[Event "53rd Biel Rapid 2020"]
[Site "Biel"]
[Date "2020.07.20"]
[Round "7.4"]
[White "Naiditsch, Arkadij"]
[Black "Adams, Michael"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "2626"]
[BlackElo "2701"]
[Annotator "TA"]
[PlyCount "78"]
[EventDate "2020.07.19"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 9,78,12,25,25,25,22,33,28,26,18,18,12,15,1,33,25,58,47,50,60,54,39,37,47,43,0,0,-22,-23,-22,-25,-30,-29,-27,-27,-26,-29,-43,-52,-86,-72,-110,-110,-140,-146,-148,-142,-191,-189,-193,-185,-232,-199,-215,-195,-299,-310,-310,-305,-300,-292,-357,-354,-350,-353,-342,-343,-337,-331,-582,-630]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qf6 6. d4 {C68: Ruy Lopez: Exchange Variation, sidelines.} exd4 7. Bg5 Qd6 8. Nxd4 {White is slightly better.} Be7 9. Be3 Nh6 10. Qd2 Ng4 {[%csl Gg4][%cal Rd6h2] [#]} 11. Bf4 Ne5 $1 {[#]} 12. Nc3 $146 ({Predecessor:} 12. Qe3 Qf6 13. Bg3 Nc4 14. Qc3 c5 15. Qxc4 Qxd4 16. Qxd4 cxd4 17. Bxc7 Be6 18. f3 Rc8 {½-½ (18) Gonzalez Sanchez,F (2128)-Ferre Perez,A (2146) ICCF email 2014}) 12... Nc4 13. Bxd6 Nxd2 14. Bxe7 Kxe7 15. Rfe1 Nc4 16. b3 Na3 17. Rad1 Rd8 18. Re2 Nb5 19. Ncxb5 axb5 20. Red2 {[#] Nxc6+! is the strong threat.} Rd6 21. c3 $1 f6 22. Kf1 g6 23. Ke2 Bd7 24. b4 Ra3 {Black continues to play with concentration.} 25. Rc1 Be6 26. Rcc2 Bc4+ 27. Ke3 b6 {[%cal Bb7b6,Bb6c5][%mdl 32]} 28. f4 {intending e5.} c5 29. bxc5 bxc5 30. Nf3 Rxd2 31. Kxd2 Bxa2 $19 {[%mdl 4096] Endgame KRB-KRN} 32. e5 (32. Rb2 {keeps fighting.}) 32... Bd5 33. exf6+ Kxf6 34. Ne5 Bxg2 35. Nd7+ Kf5 36. Nxc5 Bd5 ({Less strong is} 36... Kxf4 37. Rb2 $19) 37. Ke3 c6 38. Kd4 Ra1 (38... Kxf4 $2 39. Nd3+ Kg4 40. Nb4 $19) 39. Nd7 $2 (39. Rd2 {was worth a try.}) 39... Rd1+ {Accuracy: White = 62%, Black = 96%.} 0-1

