[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.22"]
[Round "1.1"]
[White "Leko, Peter"]
[Black "Bogner, Sebastian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2674"]
[BlackElo "2584"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,81,29,35,39,43,39,35,48,50,32,48,54,47,52,56,52,106,88,95,85,100,103,95,112,95,96,103,105,92,80,78,80,82,82,103,88,103,84,127,127,127,127,127,87,196,131,135,104,119,35,35,35,35,29,35,35,35,28,150,78,131,68,45,46,43,41,373,309]} 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 a6 5. Qc2 g6 6. Bd3 Bg7 7. Nf3 O-O 8. O-O Bg4 9. Ne5 {D10: Slav Defence: 3 cxd5 (without early Nf3) and 3 Nc3} Be6 10. c5 Nbd7 11. Nxd7 {White is slightly better.} Bxd7 12. h3 Ne8 13. f4 f6 {[#]} 14. Na4 $146 ({Predecessor:} 14. Qb3 Nc7 15. e4 Kh8 16. exd5 cxd5 {½-½ (108) Anand,V (2775)-McShane,L (2713) London 2012}) 14... e5 15. e4 {[%mdl 64] Overworked Piece} dxe4 (15... Nc7 $14) 16. Bc4+ $16 Kh8 17. Nb6 exd4 {Strongly threatening ...d3.} 18. Nxa8 Qxa8 19. Qxe4 f5 20. Qd3 Nc7 21. b4 Be6 22. Bxe6 Nxe6 23. Qc4 Qc8 24. Re1 $36 {[%mdl 2048] Keeping Black busy.} Re8 25. a3 Bf6 26. Ra2 {And now Rae2 would win.} Kg7 27. Rae2 {[%cal Re2e6]} Kf7 28. g4 Qd7 29. Kh2 Re7 (29... d3 $16 30. Rd1 Qd5 31. Qxd5 (31. Qxd3 Qxd3 32. Rxd3 Nxc5 $16) 31... dxe2) 30. Bd2 (30. g5 $18 Bg7 31. Kg3) 30... Re8 31. gxf5 gxf5 32. Qd3 ({White should try} 32. a4 $16) 32... Qd5 $14 33. Re5 Bxe5 34. Rxe5 {[%mdl 64] Double Attack} Qa2 35. Qxf5+ Kg8 36. Qd3 Rf8 {[#]} (36... Re7 $11 {remains equal.}) 37. f5 $1 $16 {[%cal Rf5e6]} Ng7 {[#]} 38. Qxd4 (38. Re2 $1 $16 {[%cal Re2g2]} Rxf5 39. Qg3 (39. Qxd4 Qd5 $11)) 38... Nxf5 $14 39. Qg4+ Ng7 $1 ({Don't go for} 39... Kh8 $2 40. Re2 $18) 40. Re2 {Black must now prevent Qxg7+!} h5 $2 {[%mdl 8192] [#]} (40... Qf7 $1 $14) 41. Qxg7+ $1 {[%mdl 512] Accuracy: White = 72%, Black = 46%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.22"]
[Round "1.2"]
[White "Georgiadis, Nico"]
[Black "Shankland, Sam"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2514"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "76"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,76,8,25,0,0,0,0,-1,-8,-10,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-14,0,0,0,0,0,0,0,0,0,0,0,0,16,0,0,0,7,-8,-11,-20,0,0,0,0,33,0,0,-692,-678,-675,-658]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be7 8. Bc4 Qc7 ({Predecessor:} 8... O-O 9. O-O Qc7 10. Qe2 Be6 {½-½ (62) Van Kerkhof,D (2371)-Van Baar,E (2223) Haarlem 2018}) 9. Bb3 O-O 10. O-O Be6 11. Qe2 $146 {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5} (11. Nh4 g6 12. Nf3 Re8 13. Ng5 Bc4 14. Re1 Nbd7 15. a4 Qc6 16. Bxc4 Qxc4 17. a5 Qc6 18. Qd3 Rac8 {½-½ (48) Sjugirov,S (2652)-Wojtaszek,R (2738) Batumi 2018}) 11... Rc8 12. Rfd1 b5 13. Rac1 {The position is equal.} Nbd7 14. Bg5 h6 {And now ...Bxb3 would win.} 15. Bxf6 Nxf6 16. Nd5 Nxd5 17. Bxd5 Bxd5 18. Rxd5 Qc4 19. Qxc4 Rxc4 20. Nd2 Ra4 21. a3 Rc8 22. Kf1 Bg5 23. g3 Rc6 24. c3 {[#]} Rxe4 $1 {[%mdl 512]} 25. f4 (25. Nxe4 Bxc1) 25... Bxf4 $1 26. gxf4 Rxf4+ 27. Kg2 f5 28. Nb3 Rg4+ 29. Kh1 f4 30. Na5 Rb6 31. c4 f3 32. c5 dxc5 {Hoping for ...Rbg6.} 33. Rxe5 Rg2 34. Rexc5 Re6 35. b4 Re4 (35... Ree2 $5 36. Rh5 $8 Ra2 $11) 36. Rg1 Ra2 {( -> ...Rh4!)} 37. Rh5 $2 {[%mdl 8192]} (37. Rc8+ $11 Kf7 38. Rc3) 37... f2 $19 38. Rf1 {[#]} Ra1 $1 {[%mdl 576] Promotion. Accuracy: White = 58%, Black = 75%.} 0-1

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.22"]
[Round "1.3"]
[White "Vidit, Santosh Gujrathi"]
[Black "Cori, Jorge"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2703"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,79,50,50,56,50,53,52,56,61,64,54,92,65,81,49,48,45,64,62,73,50,62,57,65,58,62,60,65,58,61,45,64,51,58,32,64,60,67,22,70,48,59,62,97,94,97,101,281,224,597,591,662,663,29982,29983,29983,29984,29984,29985,4529,913,3012,2468]} 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 O-O 6. Bg2 Bxd2+ 7. Qxd2 d6 8. O-O e5 9. Nc3 Nc6 10. Nd5 Qd8 {E11: Bogo-Indian} 11. Rfd1 Re8 12. dxe5 Nxe5 {White is slightly better.} 13. Nxe5 Rxe5 14. Rac1 Bg4 15. Re1 Re8 $146 ({Predecessor:} 15... Nxd5 16. cxd5 a5 17. Rc4 Qd7 18. Qc3 Rc8 19. e3 Bh3 20. Qxa5 {1-0 (47) Grabarczyk,M (2445)-Kislov,M (2395) Polanica Zdroj 1995}) 16. Rc3 Rb8 17. e4 Nd7 18. f4 Be6 19. b3 a5 20. Rce3 Ra8 21. Qd4 Rb8 22. Nc3 f6 23. Nb5 Ra8 24. Qd2 Qc8 25. Nd4 {And now e5! would win.} Bf7 26. Qc3 Qb8 27. h4 Qa7 28. Bh3 Rad8 29. Kh2 Qc5 30. g4 $36 {[%mdl 2048] Black is under pressure.} Nf8 31. g5 {Black must now prevent gxf6.} Ng6 32. Rf1 {Threatens to win with gxf6.} Nxh4 $2 (32... Qb4 $16) 33. gxf6 $18 gxf6 $2 (33... g6 34. Kh1 Qh5) 34. Rg3+ Kf8 {[#]} 35. Ne6+ $1 {[%mdl 576] Discovered Attack, Decoy} Bxe6 (35... Rxe6 36. Bxe6) 36. Qxf6+ {[%mdl 64] Double Attack} Bf7 37. Qh6+ {[%mdl 64] Double Attack} Ke7 38. Qxh4+ Kf8 39. Qh6+ Ke7 {[#]} 40. Rg7 $1 {[%mdl 512] Accuracy: White = 76%, Black = 45%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.22"]
[Round "1.4"]
[White "Abdusattorov, Nodirbek"]
[Black "Maghsoodloo, Parham"]
[Result "0-1"]
[ECO "B67"]
[WhiteElo "2598"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "82"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,88,18,20,33,26,47,23,56,36,46,48,70,50,41,8,7,20,6,0,4,-12,-31,-18,-35,-206,-60,-111,-34,-30,-50,-126,-95,-158,-156,-254,-269,-466,-261,-243,-175,-574,-483,-489,-477,-480,-465,-483,-491,-456,-493,-490,-481,-485,-438,-446,-422,-414,-387,-427,-396,-516,-512,-482,-487,-495,-466,-490,-487,-484,-470,-591,-640]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f3 Nxd4 10. Qxd4 Be7 {B67: Sicilian: Richter-Rauzer: 7...a6 8 0-0-0 Bd7, lines without 9 f4 Be7} (10... h6 11. Bh4 Rc8 12. Kb1 Be7 13. g4 b5 14. Bg3 e5 15. Qe3 Qc7 16. Bd3 Be6 17. h4 Qa5 18. g5 {1-0 (60) Robson,R (2667)-Caruana,F (2828) chess.com INT 2019}) 11. g4 Bc6 12. Be3 O-O {White has an edge.} 13. g5 Nd7 14. h4 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 15. h5 Bxg5 16. Rg1 {[#]} (16. h6 $5 {[%cal Rd4g7]} Bxe3+ 17. Qxe3 $11) 16... Bf6 $146 ({Predecessor:} 16... Bxe3+ 17. Qxe3 Qe7 18. Rd2 f6 19. Ne2 {0-1 (27) Luther,T (2581)-Kozul,Z (2632) Austria 2014}) 17. Qxd6 Rc8 $1 18. Qg3 b4 $132 {[%mdl 2048] Black is not keeping still} 19. Bh6 {[%cal Rh6g7]} g6 $1 (19... bxc3 $2 20. Bxg7 cxb2+ 21. Kb1 $1 $18 {[%mdl 512]}) 20. hxg6 hxg6 21. e5 $2 {[#]} ({White should play} 21. Bc4 $15 Re8 22. Nb1) 21... Bxe5 ({Less strong is} 21... bxc3 22. exf6 cxb2+ 23. Kb1 $15) (21... Bh4 $1 $19 {[%cal Rh4g3]} 22. Qg4 bxc3 23. Bxf8 Kxf8 24. Qb4+ Kg8 25. Qxc3 Bd5) 22. f4 $15 {Strongly threatening Bd3.} Bg7 ({Better is} 22... Bh8 $17 23. Nb1 Re8 24. Bxa6 Rc7) 23. Bxg7 Kxg7 24. Ne2 (24. Bxa6 $15 bxc3 25. Qxc3+ Qf6 26. Qxf6+ Kxf6 27. Bxc8 Rxc8 28. Rd4) 24... Qf6 25. Nd4 ({White should try} 25. Qe3) 25... Nc5 $17 26. Bh3 (26. Nxc6 $17 {was worth a try.} Rxc6 27. Rh1) 26... Be4 $19 27. Kb1 $2 (27. Qe3) 27... Rfd8 (27... Na4 $142 28. Qb3 Rfd8 29. Bxe6 Nc5 {[%mdl 64] Double Attack} 30. Qxb4 Nxe6 31. Nxe6+ Qxe6 32. Rxd8 Rxd8) 28. Qe3 Rd5 {Hoping for ...Rcd8.} 29. f5 $2 (29. Rg5 {is more resistant.}) 29... exf5 30. Nxf5+ Rxf5 (30... Bxf5 $2 31. Rxd5 Na4 32. Qd4 $19) 31. Bxf5 Qxf5 ({Not} 31... Bxf5 32. Rh1 $19) 32. Rd2 Qe5 {( -> ...Bxc2+!)} 33. Ka1 Re8 34. Re1 a5 35. Qh3 Qf5 ({Don't take} 35... Rh8 36. Qe3 $19) 36. Qg3 Re6 37. Rh2 {intending Qb8.} Bd5 {...Qf4! is the strong threat.} 38. Rg1 {With the idea Qb8.} Qe4 {White must now prevent ...Qc4.} 39. Rd1 {[#] If only White now had time for Qh3....} Qf3 $1 {[%cal Rf3d1] Black is clearly winning.} 40. Qg1 Qe3 41. Qg4 Re5 {Played: Bd5-f3} 0-1

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.23"]
[Round "2.1"]
[White "Bogner, Sebastian"]
[Black "Maghsoodloo, Parham"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2584"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "81"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,81,24,28,24,34,25,33,25,35,21,28,6,10,22,33,18,45,54,56,50,49,39,48,46,60,50,62,56,57,69,54,63,133,128,134,137,139,127,132,132,171,170,183,168,166,138,131,129,210,205,243,212,204,216,223,218,220,222,221,213,209,195,212,211,297,255,259,236,302,298,288,294,29997,29998]} 1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 {D37: Queen's Gambit Declined: 5 Bf4} Be6 7. e3 Nbd7 8. Bd3 {White is slightly better.} Bd6 $146 (8... h6 9. Bf4 g5 10. Bg3 Nh5 11. Be5 Nhf6 12. Bg3 Nh5 13. Ne2 Nxg3 14. Nxg3 {1-0 (61) Leko,P (2679)-Caruana,F (2832) Germany 2019}) 9. Qc2 c6 10. Bh4 Bg4 11. O-O-O Qc7 12. Kb1 h6 13. Rc1 g5 {And now ...Bxf3 would win.} 14. Bg3 O-O-O 15. Bxd6 Qxd6 16. Nd2 Kb8 17. Nb3 Nb6 18. Nc5 Nfd7 19. Qb3 Ka7 ({Wrong is} 19... Nxc5 $2 20. dxc5 Qxc5 21. Na4 $18) 20. Qb4 Bh5 {[#]} (20... Qb8 $1 $14) 21. Nxa6 $1 $16 Qxb4 22. Nxb4 Nc8 23. b3 Nd6 24. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} f5 {[#]} 25. a5 $1 Nb8 26. Na4 Be8 27. Nc5 Ne4 28. f3 Nd6 (28... Nxc5 $16 29. Rxc5 g4) 29. h4 $18 Bf7 30. Kc2 Rdg8 31. hxg5 hxg5 32. Kd2 Be8 33. Ne6 g4 34. Nf4 Nd7 35. Be2 Nf6 36. Nbd3 b6 (36... Nh5 {was called for.} 37. Nxh5 Bxh5) 37. axb6+ Kxb6 38. Nc5 Nc8 39. Bd3 Ne7 40. Ra1 {White wants to mate with Nfe6.} g3 $2 (40... Rxh1 $18 41. Rxh1 gxf3 42. gxf3 Ng6) 41. Nfe6 {Accuracy: White = 86%, Black = 59%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.23"]
[Round "2.2"]
[White "Cori, Jorge"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "E17"]
[WhiteElo "2686"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,80,0,10,0,0,0,0,0,0,0,0,0,0,6,16,-10,-10,-12,-17,-13,0,0,0,0,0,0,0,0,0,0,0,0,0,-7,0,0,15,8,16,15,15,24,19,20,17,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 ({Predecessor:} 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 {½-½ (14) Schlosser,P (2550)-Hracek,Z (2510) Brno 1993}) 2... e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Bf4 d6 8. Nc3 Ne4 9. Rc1 {E17: Queen's Indian: 4 g3 Bb7 5 Bg2 Be7} Nd7 $146 (9... Bf6 10. Nxe4 Bxe4 11. Qb3 Qe7 12. Rfd1 e5 13. dxe5 dxe5 14. Be3 Nc6 15. c5 Rad8 16. cxb6 cxb6 {1-0 (53) Laznicka,V (2676)-Lysyj,I (2671) Poikovsky 2015}) 10. d5 Nxc3 11. Rxc3 e5 12. Bc1 a5 13. e4 Nc5 14. Ne1 c6 15. Nd3 cxd5 16. Nxc5 bxc5 17. cxd5 Bg5 18. Bxg5 Qxg5 19. f4 Qe7 20. f5 f6 21. h4 Ba6 22. Rf2 Rfb8 23. g4 Rb4 24. Rg3 Rab8 25. Qc1 Qb7 {[%cal Rb4b2]} (25... a4 {seems wilder.} 26. g5 Rc4 27. Qe3 Rcb4 28. Qc1) 26. g5 {[#] Strongly threatening gxf6.} Rxb2 27. Rxb2 Qxb2 28. Qxb2 Rxb2 29. gxf6 $11 {[%mdl 4096] Endgame KRB-KRB. The position is equal.} Rb7 30. Kf2 Bc4 31. fxg7 Rxg7 32. Rxg7+ Kxg7 {KB-KB} 33. a3 $1 Bd3 34. Ke3 c4 35. Bf3 Bb1 36. Kd2 Kf6 37. Kc3 Bd3 38. Kd2 Bb1 39. Kc3 Bd3 40. Kd2 Bb1 {Accuracy: White = 79%, Black = 76%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.23"]
[Round "2.3"]
[White "Shankland, Sam"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "2713"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,85,8,18,0,0,0,0,0,0,0,0,0,0,0,0,-4,109,93,115,58,58,55,54,56,56,60,59,60,56,53,55,57,60,54,49,55,70,68,68,44,61,66,64,64,64,64,97,97,112,112,112,112,112,112,112,112,118,52,77,44,44,44,44,8,8,8,52,51]} 1. c4 Nf6 2. Nf3 e6 3. b3 d5 4. Bb2 Be7 5. e3 O-O 6. Nc3 b6 7. cxd5 exd5 8. d4 Bb7 9. Bd3 Nbd7 10. O-O a6 11. Ne2 {E14: Queen's Indian: Classical Variation (4 e3)} (11. Ne5 Bd6 12. Ne2 Re8 13. f4 Ne4 14. Ng3 Nf8 15. Nxe4 dxe4 16. Bc4 Re7 17. Qh5 g6 18. Qh6 Bxe5 19. dxe5 b5 20. Rad1 Qe8 {1-0 (43) Nakamura,H (2780)-Topalov,V (2749) Saint Louis 2017}) 11... Bd6 12. Ng3 g6 13. Ne5 {The position is equal.} Qe7 {[%cal Rd7e5]} 14. f4 Ne4 15. Bxe4 dxe4 16. Nxd7 Qxd7 17. d5 $36 {[%mdl 2048] White fights for an advantage.} Be7 (17... f5 $11) 18. f5 $146 {[%cal Rf5g6] Strongly threatening fxg6.} ({Don't play} 18. Qd4 $6 f6 $11) ({Predecessor:} 18. Qd4 f6 19. Rad1 Bc5 {½-½ (19) Danner,G (2426)-Spassov,L (2383) Gmunden 2007}) 18... f6 ({Reject} 18... Qxd5 $6 19. Qg4 $14) 19. fxg6 (19. Qg4 $1 $16) 19... hxg6 $14 20. Nxe4 Qxd5 21. Qxd5+ Bxd5 22. Nxf6+ Bxf6 23. Bxf6 Rae8 24. Rad1 c6 25. Rd4 {Rh4 is the strong threat.} Re4 26. Rxe4 Bxe4 {[%mdl 4096] Endgame KRB-KRB} 27. Rf4 Bf5 28. Bc3 Bd3 29. h3 (29. b4 {keeps more tension.} Rf7 30. Bd4 a5 31. a3 axb4 32. axb4 b5 33. g4) 29... Rxf4 30. exf4 {KB-KB} a5 31. Be5 b5 32. Bc7 b4 33. Bxa5 Bb1 34. Bxb4 {Threatens to win with a4.} Bxa2 35. Kf2 Bxb3 {[#]} 36. g4 $1 Bc4 {[#]} 37. Kg3 $1 Bf1 38. h4 ({White should play} 38. f5 $16) 38... Bd3 39. Kf3 Kf7 40. Bc3 Bc2 41. Ke2 c5 42. Bb2 Ke8 43. Ke1 {Accuracy: White = 61%, Black = 67%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.23"]
[Round "2.4"]
[White "Leko, Peter"]
[Black "Georgiadis, Nico"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2674"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "201"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,201,22,22,22,19,19,16,22,23,23,22,15,18,15,17,18,19,14,27,26,28,30,27,30,26,24,41,37,50,36,50,47,41,40,93,86,90,78,117,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,2,3,7,10,17,31,37,34,8,12,18,27,0,0,0,0,0,6,6,6,6,10,6,6,6,6,6,6,6,8,8,10,0,0,0,0,0,10,0,6,6,6,0,0,0,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,0,38,38,38,38,38,38,38,38,58,41,41,0,0,13,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4]} 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Bf4 Ne7 (5... c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Ne7 9. Nge2 Nd7 10. O-O O-O 11. a3 Ba5 12. Rfc1 a6 13. Bg5 {½-½ (74) Andreikin,D (2708)-Fedoseev,V (2731) Sochi 2017}) 6. e3 {D31: Queen's Gambit Declined: Semi-Slav without ...Nf6 (+ Marshall Gambit and Noteboom) and Exchange Variation lines without ...Nf6} O-O 7. Nf3 c6 8. Qb3 Bd6 9. Bxd6 Qxd6 10. Bd3 b6 $146 ({Predecessor:} 10... Nd7 11. Qc2 Nf6 12. O-O g6 13. Rab1 {0-1 (39) Esplugas Esteve,V (2285)-Peralta,F (2588) Santa Coloma 2016}) 11. Qc2 h6 12. O-O Ba6 13. Ne5 Bxd3 14. Nxd3 Nd7 15. Rfd1 Rfd8 16. Rac1 Rac8 17. b4 Nf8 18. a4 Ne6 19. h3 Ng6 20. a5 bxa5 21. bxa5 c5 (21... Ne7 $14) 22. dxc5 $16 Qa6 23. Ne2 d4 {[#]} 24. e4 (24. f4 $1 $16) 24... Qxa5 $11 25. f4 {f5 is the strong threat.} Nxc5 26. Nxc5 d3 $1 {[%cal Rd3c2]} 27. Rxd3 Rxd3 28. Qxd3 {[#] Black must now prevent Qd4.} Rxc5 29. Rd1 Qa4 30. Rb1 Rc8 31. Rb7 Qc4 32. Qd5 (32. Qxc4 {with more complications.} Rxc4 33. Rb8+ Kh7 34. Re8 f5 35. Kf2) 32... Qxd5 33. exd5 {[%mdl 4096] Endgame KRN-KRN} Rd8 34. Rb5 Kf8 35. Kf2 a6 36. Ra5 Rd6 37. Ke3 Ne7 38. Nc3 Ke8 39. g4 Kd7 40. Ne4 Rxd5 41. Rxa6 f5 42. Ng3 fxg4 43. hxg4 Ke8 44. Ne4 Kf7 45. f5 h5 46. Ng5+ Ke8 47. Ne6 {Hoping for Ke4.} Kf7 48. Ra8 {[%csl Ge6][%cal Ra8f8]} Nxf5+ 49. gxf5 Rxf5 {KRN-KR} 50. Nf4 (50. Ke4 {looks sharper.} Rb5 51. Nd4 Rb4 52. Ke5 Kg6 53. Nf3) 50... Rb5 51. Ra7+ Kf6 52. Ra6+ Kf7 53. Nd3 h4 54. Ke4 h3 55. Nf2 h2 56. Ra1 Rh5 57. Rh1 Ke6 58. Kf4 g5+ 59. Kg3 g4 60. Nxg4 Rh8 61. Nxh2 Kd5 62. Rd1+ Ke4 63. Ng4 Rf8 64. Re1+ Kd4 65. Ne3 Rg8+ 66. Kf4 Rf8+ 67. Nf5+ Kd3 68. Rd1+ Kc2 69. Rd7 Kc3 70. Ke4 Re8+ 71. Ne7 Rh8 72. Rc7+ Kb3 73. Nf5 Kb4 74. Nd6 Rh4+ {The position is equal.} 75. Kd5 Rh5+ 76. Kd4 Rh4+ 77. Ne4 Kb5 $1 78. Rc5+ Kb6 79. Re5 Rh1 80. Re6+ Kc7 81. Nc3 Kd7 82. Ra6 Rc1 83. Rh6 Ra1 84. Ke5 Rg1 85. Rd6+ Ke8 86. Nd5 Re1+ 87. Kf5 (87. Kd4 {keeps more tension.} Kf7 88. Kc3 Rc1+ 89. Kb2 Rh1 90. Rf6+) 87... Rf1+ 88. Nf4 Ke7 89. Rd4 Rf2 90. Rd1 Rf3 91. Rd2 Rf1 92. Rd3 Rf2 93. Ke5 Rf1 94. Nd5+ Kf7 95. Ra3 Re1+ 96. Ne3 Kg6 97. Kf4 Kf7 98. Kf5 Ke7 99. Rd3 Ra1 100. Ke5 Re1 101. Ke4 {Accuracy: White = 60%, Black = 78%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.24"]
[Round "3.1"]
[White "Georgiadis, Nico"]
[Black "Bogner, Sebastian"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2514"]
[BlackElo "2584"]
[Annotator "TA"]
[PlyCount "74"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:00]} 3. g3 {[%emt 0:00:00]} d5 {[%emt 0:00:31]} 4. Bg2 {[%emt 0:00:00]} Be7 {[%emt 0:00:05]} 5. Nf3 {[%emt 0:00:30]} O-O {[%emt 0:00:05]} 6. Qc2 {[%emt 0:00:28]} c5 {[%emt 0:01:05]} 7. dxc5 {[%emt 0:00:15]} Qa5+ {[%emt 0:01:22]} 8. Nc3 {[%emt 0:00:43]} dxc4 {[%emt 0:00:42]} 9. O-O {[%emt 0:00:14]} Nc6 {[%emt 0:03:26]} 10. Bg5 {[%emt 0:00:49]} Qxc5 {[%emt 0:00:34]} 11. Bxf6 {[%emt 0:00:09]} Bxf6 {[%emt 0:01:15]} 12. Ne4 {[%emt 0:00:07]} Qe7 {[%emt 0:00:13]} 13. Nfd2 {[%emt 0:00:36]} Bd7 {[%emt 0:02:58]} 14. Nxf6+ {[%emt 0:01:39]} Qxf6 {[%emt 0:01:20]} 15. Ne4 {[%emt 0:00:04]} Qe7 {[%emt 0:00:40]} 16. Qxc4 {[%emt 0:00:43]} Rfd8 {[%emt 0:00:33]} 17. Rfd1 {[%emt 0:23:57]} Be8 {[%emt 0:00:11]} 18. Qc5 {[%emt 0:02:33]} Qxc5 {[%emt 0:02:34]} 19. Nxc5 {[%emt 0:00:06]} b6 {[%emt 0:00:10]} 20. Ne4 {[%emt 0:02:52]} Rxd1+ {[%emt 0:04:23]} 21. Rxd1 {[%emt 0:00:41]} Rd8 {[%emt 0:02:24]} 22. Rxd8 {[%emt 0:05:06]} Nxd8 {[%emt 0:00:59]} 23. e3 {[%emt 0:10:21]} Kf8 {[%emt 0:00:32]} 24. Nc3 {[%emt 0:00:26]} Ke7 {[%emt 0:00:15]} 25. Kf1 {[%emt 0:00:05]} f6 {[%emt 0:05:40]} 26. Ke2 {[%emt 0:00:35]} Nf7 {[%emt 0:05:54]} 27. f4 {[%emt 0:00:55]} Nd6 {[%emt 0:00:25]} 28. b3 {[%emt 0:12:10]} Nb5 {[%emt 0:01:08]} 29. Nxb5 {[%emt 0:00:18]} Bxb5+ {[%emt 0:00:05]} 30. Kd2 {[%emt 0:00:09]} Kd6 {[%emt 0:00:06]} 31. Kc3 {[%emt 0:00:31]} e5 {[%emt 0:00:34]} 32. a3 {[%emt 0:01:09]} h6 {[%emt 0:00:39]} 33. h4 {[%emt 0:00:48]} Kc5 {[%emt 0:01:06]} 34. Be4 {[%emt 0:00:43]} Kd6 {[%emt 0:00:32]} 35. Bg2 {[%emt 0:00:11]} Kc5 {[%emt 0:00:04]} 36. Be4 {[%emt 0:00:05]} Kd6 {[%emt 0:00:04]} 37. Bg2 {[%emt 0:00:05]} Kc5 {[%emt 0:00:11]} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.24"]
[Round "3.2"]
[White "Vidit, Santosh Gujrathi"]
[Black "Leko, Peter"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2703"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "117"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,117,4,8,5,10,0,30,31,25,25,24,29,48,50,76,35,39,36,56,16,64,58,60,45,133,111,146,135,125,118,156,128,147,153,224,229,214,209,219,204,349,329,271,232,353,320,455,447,442,360,441,453,436,427,423,226,229,220,212,200,208,175,219,117,204,95,150,129,143,108,356,345,375,224,239,234,237,238,229,226,217,220,213,221,216,227,207,191,174,201,240,240,239,235,288,283,288,286,351,351,1110,1055,866,957,839,814,754,784]} 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. Nf3 d6 6. O-O Rb8 7. a3 {A37: Symmetrical English vs ...g6: 4 Bg2 Bg7 5 Nf3} a6 8. Rb1 {[%cal Ba1b1,Bb1b3,Bb3a3,Ba3a8][%mdl 32]} b5 (8... Bf5 $5 {[%cal Rg7c3]} 9. d3 Nf6 $11) 9. cxb5 {White has an edge.} axb5 10. b4 cxb4 11. axb4 Nf6 12. d4 Bf5 13. Rb3 (13. d5 $5 {[%cal Rd5c6]} Bxb1 14. dxc6 $16) 13... d5 $146 ({Predecessor:} 13... Bg4 14. d5 Bxf3 15. exf3 Ne5 16. f4 Nc4 17. Ne2 O-O 18. Nd4 {0-1 (42) Fernandez,J (2420)-Spiridonov,N (2420) Decin 1977}) 14. Ne5 $36 {[%mdl 2048] White fights for an advantage.} Qb6 15. Be3 {White wants to play g4.} (15. Nxd5 Nxd5 16. Bxd5 Nxd4 $15) 15... Be6 16. Nd3 O-O 17. Nc5 Rfd8 (17... Ng4 $1 $14) 18. Ra3 $16 Ra8 19. Rxa8 Rxa8 20. Qb3 Qd8 21. Rc1 (21. Nxb5 $6 Qb8 $14) 21... Rc8 22. Nxb5 Qb6 (22... Bd7 $16 {is a better defense.} 23. Na3 (23. Bxd5 Nxd5 24. Qxd5 Be8 $16) 23... Bf5) 23. Nxe6 $18 fxe6 24. Bh3 Kf7 25. Rc5 Ra8 (25... Qb7 {was worth a try.} 26. Bf4 Nd8) 26. Bf4 Nd8 27. Bc7 Qb7 (27... Qa6 $142 28. Bxd8 Rxd8) 28. Qf3 Bh6 (28... h5 $142 29. Qf4 Kg8 30. Bxd8 Rxd8) 29. Be5 Bg7 30. Kg2 h5 31. g4 hxg4 32. Bxg4 Ra4 33. Qb3 (33. Bc7 $142 Ra8 34. Qf4) 33... Ra6 34. Bxf6 Bxf6 35. e3 Rb6 36. Be2 Nc6 37. Qa4 (37. h4 $1 $18) 37... Kg7 (37... Bh4 $16 38. h3 Qb8) 38. f4 (38. Nc3 $1 $18 {and the rest is easy.}) 38... Ra6 ({Better is} 38... Qb8 39. Rc1 Bh4) 39. Qb3 $16 {Black must now prevent Nc7!} Rb6 40. Bd3 Na7 $2 (40... Qb8 $16 {was necessary.}) 41. Nc7 $18 Rxb4 42. Nxe6+ (42. Qd1 $142 Rb2+ 43. Kf3) 42... Kf7 43. Nd8+ {[%mdl 64] Double Attack} Kg7 44. Qxd5 ({Inferior is} 44. Nxb7 Rxb3 45. Ba6 Rxe3 $11) 44... Qxd5+ 45. Rxd5 Rb3 46. Ne6+ Kh6 47. Nc5 Rb2+ 48. Kg3 Nc6 49. Rd7 Nb4 50. Bc4 {aiming for Rb7.} Nc2 51. Nd3 Rb1 52. Kf3 g5 53. fxg5+ Bxg5 {[#]} 54. Ne5 $1 Kg7 55. Rd8 {Hoping for Rg8+.} Bxe3 $2 {[#]} (55... Bf6 56. Rg8+ Kh7) 56. Rg8+ $1 {White is clearly winning.} ({Weaker is} 56. Bd3 Bxd4 57. Bxc2 Rf1+ 58. Ke4 Bxe5 $14) 56... Kh7 57. Rg6 {White threatens Bg8+ and mate.} Rb8 58. Bd3 {Intending Rg5+ and mate.} Rf8+ 59. Rf6+ $1 {Accuracy: White = 68%, Black = 43%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.24"]
[Round "3.3"]
[White "Abdusattorov, Nodirbek"]
[Black "Shankland, Sam"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2598"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,87,12,12,15,20,14,27,24,25,-4,0,0,0,0,-1,0,5,-18,0,-18,13,24,37,20,21,17,15,21,97,105,100,88,91,83,95,98,133,122,153,164,223,219,214,216,212,197,198,204,237,226,218,128,121,128,126,110,110,96,123,129,209,166,173,124,213,207,196,181,231,230,216,209,368,354,328,314,429,429,1082,1028]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O {C65: Ruy Lopez: Berlin Defence (3...Nf6), unusual lines and 4 0-0 Bc5} Re8 7. Nbd2 a6 8. Bxc6 {White has an edge.} dxc6 9. Nb3 $146 ({Predecessor:} 9. Nc4 Nd7 10. Re1 Bf8 11. d4 exd4 12. cxd4 Nb6 13. Nxb6 cxb6 {1-0 (39) Anand,V (2779)-Giri,A (2797) Shamkir 2019}) 9... Bf8 10. Na5 Nd7 11. Bg5 f6 12. Be3 Kh8 13. Nh4 g6 14. Qd2 Be7 {With the idea ...f5.} 15. Nf3 c5 16. a4 Nb8 17. d4 c6 18. Nc4 b5 (18... Be6 $11 19. b3 exd4 20. cxd4 cxd4 21. Nxd4 (21. Qxd4 Qxd4 22. Nxd4 Bxc4 $11) (21. Bxd4 c5 $11) 21... Bxc4 22. bxc4 Nd7) 19. axb5 $16 {b6 is the strong threat.} cxb5 {Threatens to win with ...cxd4.} 20. Na5 exd4 21. cxd4 c4 22. d5 Kg8 23. Rfe1 Bg4 24. Nd4 Bd6 (24... Qc7 $142 25. Bf4 Qc5) 25. Nb7 $18 Bxh2+ 26. Kxh2 Qc7+ 27. Bf4 Qxb7 28. f3 Bc8 29. Qa5 {[%mdl 1024] White has strong compensation.} Bd7 30. Ra3 ({White should try} 30. b3 $1 $18) 30... Rc8 $16 31. Rae3 Be8 32. Ne6 Nd7 33. Nc7 $36 {[%mdl 2048] White has strong initiative.} Ra7 {[%cal Rc8c7] [#]} 34. d6 $1 {And now e5 would win.} Qb6 (34... Ne5 $16) 35. Qxb6 $18 Nxb6 36. e5 fxe5 (36... Raxc7 $16 {was called for.} 37. dxc7 Nd5) 37. Rxe5 ({Don't take} 37. Bxe5 $6 Bf7 $16) 37... Bf7 38. Be3 Rb7 {[#]} 39. Bxb6 $1 ({Weaker is} 39. Nxa6 Na4 $16) 39... Rxb6 40. d7 Rf8 $2 (40... Rd8) 41. Ne8 Rb8 42. Re7 g5 43. R1e5 h6 (43... Rd8 $142 44. Nd6 Bg6) 44. Nd6 {Accuracy: White = 79%, Black = 47%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.24"]
[Round "3.4"]
[White "Maghsoodloo, Parham"]
[Black "Cori, Jorge"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2656"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "84"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]

{[%evp 18,84,29,21,25,0,27,15,12,1,24,3,42,0,0,0,0,0,0,-10,53,50,43,0,0,0,0,0,0,0,0,-90,-89,-87,-52,-227,-219,-201,-218,-223,-200,-235,-213,-293,-309,-251,-225,-380,-340,-540,-529,-669,-635,-693,-682,-818,-816,-989,-962,-1009,-1000,-1361,-1303,-2695,-1976,-2715,-2559,-29994,-29995]} 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 f6 7. O-O fxe5 8. Nxe5 Nxe5 9. dxe5 Qc7 10. c4 d4 {C02: French: Advance Variation} (10... Qxe5 11. Re1 O-O-O 12. Nc3 Nf6 13. Bd3 Qd4 14. Be3 Qh4 15. g3 Qh3 16. Bf1 Qf5 17. Bd3 Qh3 18. Bf1 Qf5 19. Bd3 Qh3 20. Bf1 {½-½ (20) Muzychuk,M (2540)-Muzychuk,A (2569) St Petersburg 2018}) 11. Bf4 Ne7 12. Bd3 O-O-O {The position is equal.} 13. Nd2 h6 14. Ne4 $146 ({Predecessor:} 14. Bg3 g5 15. f4 Bg7 16. Qe2 gxf4 17. Bxf4 Nc6 18. Rae1 {1-0 (46) Prathamesh,S (2346)-Sitnikov,A (2462) Moscow 2006}) 14... Nf5 15. h3 g5 16. Bh2 Bc6 17. Re1 Be7 18. Nf6 h5 (18... Kb8 $11) 19. Nxh5 (19. Bxf5 $5 exf5 20. Qd3 $16) 19... Nh4 20. Re4 Bxe4 21. Bxe4 {[#]} d3 $1 {[%mdl 512]} 22. Nf6 {Black should prevent Qg4.} (22. Bxd3 Qc6) 22... Rd4 {Hoping for ...Qb6.} 23. Qg4 $1 {[%cal Rg4e6]} Nf5 $1 24. Bxf5 (24. Qf3 $11 Nh4 25. Qg4) 24... Rxg4 $17 25. Bxe6+ Kd8 26. Nxg4 $2 (26. Bxg4 $15 Bxf6 27. exf6) 26... Qb6 $1 $19 {[%csl LRb2,LRe6][%mdl 64] Double Attack} 27. Bf5 Qxb2 $40 {[%cal Rb2a1][%mdl 128] Black has strong attack.} 28. Rd1 d2 ({Not} 28... Qxa2 29. Rxd3+ Kc7 30. e6+ Kb6 31. Ne3 $11) 29. Kf1 Qxa2 30. Be6 Kc7 31. Ne3 Rd8 32. Ke2 $2 (32. Nd5+ Kb8 33. Nxe7) 32... Rd4 33. Nf5 {[#]} (33. Bf5 $142 b5 34. e6+ Kd8 35. cxb5) 33... Qc2 $1 {[%csl Gd4][%cal Rc2d3]} 34. f3 Qd3+ 35. Kf2 Kd8 36. g4 a5 37. h4 gxh4 38. Bd5 a4 39. e6 a3 40. Be5 a2 41. f4 Qc2 42. Nxe7 Qxd1 0-1

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.25"]
[Round "4.1"]
[White "Bogner, Sebastian"]
[Black "Cori, Jorge"]
[Result "1/2-1/2"]
[ECO "E08"]
[WhiteElo "2584"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,122,28,6,37,22,35,16,29,17,9,14,31,14,30,31,73,33,30,36,37,30,35,32,30,18,30,9,28,28,29,18,22,0,21,22,34,26,35,35,42,42,39,39,84,54,40,0,0,0,44,45,80,58,50,0,20,8,18,0,13,15,18,13,13,5,8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. g3 Be7 4. Bg2 d5 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 c6 8. b3 b6 9. Bb2 Bb7 10. Nc3 Rc8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 Qc7 14. Rad1 Rfd8 {E08: Closed Catalan: Main Line: 7 Qc2} (14... c5 15. d5 Bf6 16. Bc1 exd5 17. cxd5 Rfe8 18. Qc2 Qd8 19. Nd2 Bd4 20. Nc4 Nf6 21. Bb2 Bxb2 22. Qxb2 {½-½ (41) Haria,R (2450)-Lenderman,A (2637) chess.com INT 2019}) 15. Qe2 a5 $146 ({Predecessor:} 15... Nf6 16. Rd3 c5 17. Rfd1 cxd4 18. Nxd4 Bxg2 19. Kxg2 a6 20. Kg1 h6 21. Nf3 {½-½ (21) Kulikov,A-Jakovenko,D (2443) Moscow 2000}) 16. Rd2 a4 17. Rfd1 axb3 18. axb3 Re8 19. Rd3 h6 20. Re3 Red8 21. h4 (21. d5 $5 cxd5 22. cxd5 $11) 21... Bf6 22. Nd2 Ra8 23. Ne4 Be7 24. Nc3 Nf6 25. Red3 Ra5 26. Qd2 Bb4 27. Qc2 Raa8 28. Ne2 Be7 29. Nc3 b5 30. R3d2 bxc4 31. bxc4 Qa5 32. Rb1 Qc7 33. Rdd1 Ba6 34. Na4 Rab8 35. Ra1 Nd7 36. Ba3 Bxa3 37. Rxa3 Rb4 38. Bf1 Rdb8 39. Qc3 Bc8 40. Be2 Rb1 {The position is equal.} 41. Rxb1 Rxb1+ 42. Kg2 Rb8 43. c5 e5 44. dxe5 Nxe5 45. Nb6 Bf5 46. Qd4 Rd8 47. Qf4 Be6 48. Nc4 Bd5+ 49. Kh2 f6 50. Nxe5 fxe5 51. Qe3 Qf7 52. Kg1 Qf5 {[#] Threatens to win with ...Qb1+.} 53. Bf3 Qxf3 54. Qxf3 Bxf3 55. Rxf3 $11 {[%mdl 4096] Endgame KR-KR} Rd1+ 56. Kg2 Rc1 57. Rf5 Rxc5 58. h5 Rc1 59. Rxe5 Kf7 60. f4 c5 61. g4 Rc2+ {Accuracy: White = 54%, Black = 53%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.25"]
[Round "4.2"]
[White "Shankland, Sam"]
[Black "Maghsoodloo, Parham"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2713"]
[BlackElo "2656"]
[Annotator "TA"]
[PlyCount "51"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,117,0,10,6,22,5,27,20,27,23,19,24,56,47,81,43,73,73,66,46,78,66,83,68,130,129,148,141,125,111,148,152,155,158,253,256,253,258,266,262,349,347,295,214,337,204,431,428,417,316,465,452,446,446,416,217,222,216,200,208,214,159,210,121,197,102,149,145,164,156,370,366,390,231,210,221,214,209,211,222,212,217,216,222,223,219,211,196,210,205,238,238,274,261,295,289,317,304,348,340,1061,1617,1841,2070,785,1205,1203,1158]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. a3 b4 12. axb4 Nxb4 13. Kb1 h6 14. Bh4 Rb8 15. e5 dxe5 16. Nxe5 Rb7 17. Bc4 Bb5 18. Qxd8+ Bxd8 19. Nxb5 axb5 20. Bxb5+ Rxb5 21. Rxd8+ Kxd8 22. Nxf7+ Ke7 23. Nxh8 g5 24. Ng6+ Kf7 25. Ne5+ Kg7 26. c4 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.25"]
[Round "4.3"]
[White "Leko, Peter"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "E18"]
[WhiteElo "2674"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,110,0,22,25,33,29,33,27,23,20,34,25,35,19,41,26,31,29,35,40,44,27,31,25,45,60,62,60,58,56,62,57,66,57,73,45,100,101,106,0,0,0,47,0,0,0,0,0,0,-10,0,0,0,0,0,0,0,-14,0,-30,-31,-30,-31,-33,-32,-30,-10,-10,-9,-16,-14,-18,-14,-14,-13,-20,-13,-17,-20,-32,-16,-31,-8,-13,-8,-8,0,0,0,0,0,0,0,-9,0,-6,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O (6. Nc3 Ne4 7. Bd2 Bf6 8. O-O {½-½ (8) Yilmaz,M (2630)-Berkes,F (2678) Valjevo 2018}) 6... O-O 7. Nc3 Ne4 8. Bd2 Bf6 (8... d5 {is more complex.} 9. cxd5 exd5 10. Qc2 Nd7 11. Bf4 c5) 9. Re1 {E18: Queen's Indian: Old Main Line (4 g3 Bb7 5 Bg2 Be7 6 0-0 0-0 7 Nc3)} Nxd2 10. Qxd2 d6 11. e4 {White is slightly better.} g6 12. Rad1 Nd7 13. e5 Bg7 14. Qf4 Qe7 $146 ({Predecessor:} 14... dxe5 15. dxe5 Qe7 16. Nd4 Bxg2 17. Kxg2 {1-0 (34) Ernst,S (2541)-Beerdsen,T (2441) Maastricht 2018}) 15. exd6 cxd6 16. Nb5 e5 17. Qh4 Qxh4 18. Nxh4 Bxg2 19. Kxg2 a6 20. Nxd6 exd4 21. Nf3 $36 {[%mdl 2048] White is more active.} Rfd8 22. Nxd4 Ne5 $1 23. Nc2 Rd7 24. b4 {[%cal Bb2b4,Bb4c5][%mdl 32]} Rad8 25. c5 bxc5 (25... Nc6 $14) 26. bxc5 $16 Rc7 {[#]} 27. Ne4 ({White should try} 27. Nd4 $1 $16) 27... Nd3 $11 {[%mdl 64] Double Attack} 28. Kf1 {Hoping for Nb4!} f5 (28... Rdd7 $5 {[%cal Rd3e1]} 29. c6 Rd5 $11) 29. Ng5 {Black must now prevent Ne6.} (29. Nb4 $5 {[%cal Re4g5]} fxe4 30. Rxe4 $16) 29... Rcc8 $1 30. Re2 {aiming for Ne6.} Nxc5 31. Rxd8+ Rxd8 32. Nb4 Bf8 33. Rc2 Rd1+ 34. Ke2 Rd4 35. Nc6 Ra4 36. f3 Ra3 37. Nb4 h6 38. Nh3 Ne6 39. Nc6 Bc5 40. f4 Re3+ 41. Kf1 Kg7 42. Nd8 (42. Rb2 {keeps more tension.} Rf3+ 43. Nf2 g5 44. fxg5 hxg5 45. Ne5) 42... Nxd8 43. Rxc5 {[%mdl 4096] Endgame KRN-KRN} Ra3 44. Rc2 Ne6 45. Ng1 g5 46. Ne2 gxf4 47. gxf4 Kf6 48. Rb2 a5 49. Rb6 {The position is equal.} Ra4 50. Ra6 Ke7 51. Nc3 Rxf4+ 52. Kg1 {[#] And now Nd5+ would win.} Rg4+ 53. Kf1 Rf4+ 54. Kg1 {Nd5+ is the strong threat.} Rg4+ 55. Kf1 Rf4+ {Accuracy: White = 71%, Black = 58%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.25"]
[Round "4.4"]
[White "Georgiadis, Nico"]
[Black "Vidit, Santosh Gujrathi"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2514"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "132"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,132,45,40,37,55,43,45,48,60,57,55,86,46,50,88,78,84,96,91,96,88,96,126,120,107,139,190,179,195,216,246,219,235,235,704,707,707,195,189,187,177,181,188,127,144,66,200,200,200,200,220,200,200,200,200,200,200,200,200,200,200,200,200,200,200,200,200,200,200,0,200,200,200,136,136,136,136,136,148,136,136,136,136,136,136,136,136,136,136,136,136,8,135,8,181,181,411,181,411,148,148,148,148,148,148,148,148,148,148,148,148,137,140,140,140,140,140]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nd7 9. O-O O-O 10. Re1 {D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} Nb6 11. a4 $146 ({Predecessor:} 11. dxc5 a6 12. cxb6 axb5 13. Qxd8 Rxd8 14. e5 Be6 15. Bg5 Kf8 16. a3 Bc4 17. Be3 Rd5 {½-½ (76) Ragger,M (2694)-Sreeves,C (2356) Novi Sad 2016}) 11... Bg4 12. a5 {White is slightly better.} Nc8 13. e5 cxd4 14. cxd4 a6 15. Be2 Na7 16. d5 $36 {[%mdl 2048] White is on the roll.} Nb5 17. Bb2 Rc8 18. Qb3 Bxf3 19. Bxf3 (19. gxf3 $6 Qd7 $11) 19... Rc5 20. Qb4 $1 {[%cal Rb4c5]} Qc7 21. Rac1 Rc8 (21... Rxc1 $16 22. Rxc1 Qb8) 22. g3 $18 b6 23. Ba3 $1 {Threatens to win with axb6.} Qb7 24. axb6 (24. Rxc5 bxc5 25. Qa4 Qc7 $15) 24... Rxc1 25. Rxc1 (25. Bxc1 Bxe5 26. Bg5 Bd6 $14) 25... Nxa3 $2 (25... Rxc1+ 26. Bxc1 Bxe5) 26. Rxc8+ (26. Qxa3 Rxc1+ 27. Qxc1 Qxb6 $16) 26... Qxc8 27. Qxa3 $2 (27. d6 {Black must now prevent b7.} Bxe5 28. dxe7 (28. Qxa3 Bxd6 29. Qd3 Qf5 $11)) 27... Bxe5 28. Qxe7 Qb8 29. Qa7 a5 30. Qa6 ({Don't play} 30. Qxa5 $6 Bd4 $14) ({White should try} 30. Kg2 $18) 30... Kg7 {[#]} 31. b7 (31. d6 $1 $16 {[%cal Rd6d7]} Qxd6 32. Qxa5) 31... a4 (31... Bd6 $14) 32. d6 $1 {[%cal Rd6d7]} Qxd6 33. Qxa4 Qb6 34. Kg2 Bb8 35. Bd5 Qd6 36. Qc4 Qc7 37. Qe4 Qe5 38. Qd3 h5 39. h4 Qd6 40. Qb3 Qf6 41. Qa4 Qd6 42. Bb3 Qb6 43. Bd5 Qd6 $1 {[%cal Rd6d5]} 44. Qd4+ Qe5 45. Qxe5+ Bxe5 {[%mdl 4096] Endgame KB-KB} 46. Kf3 Bb8 47. Ke3 Kf6 48. Kd4 Ke7 49. Kc5 Ke8 50. Kb6 Ke7 51. Ba2 Ke8 52. Bc4 Ke7 53. Bb3 Ke8 54. f3 (54. Kb5 $16) 54... Ke7 (54... Bxg3 $11 {keeps the balance.} 55. Bc4 Bb8) 55. g4 (55. f4 $16) 55... hxg4 $2 (55... g5 $1 $11) 56. fxg4 Ke8 $2 (56... f5 57. gxf5 gxf5) 57. Kc6 (57. Bc2 $142 Ke7 58. Be4) 57... Ke7 $2 (57... f5 58. gxf5 gxf5) 58. g5 $2 (58. Bc2 $18 f5 59. gxf5 gxf5 60. Bd1 (60. Bxf5 Bf4 $16)) 58... Ke8 {White is clearly better.} 59. Kc5 Ke7 60. Kd4 Kf8 61. Ke3 Bc7 62. Kf3 Kg7 63. Kg4 Bb8 64. h5 gxh5+ 65. Kxh5 f6 {[#] intending ...fxg5.} 66. g6 $1 {Bc2 is the strong threat.} f5 {Accuracy: White = 53%, Black = 57%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.28"]
[Round "5.1"]
[White "Vidit, Santosh Gujrathi"]
[Black "Bogner, Sebastian"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2703"]
[BlackElo "2584"]
[Annotator "TA"]
[PlyCount "59"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,59,33,20,6,6,6,23,9,8,10,16,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,22,18,158,153,510,506,481,468,443,464,662,637,591,405,400,411,403,413,375,395,2282,2252,1903,1201,29996,891]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 5. e3 Bf5 6. Nh4 {D15: Slav Defence: 4 Nc3 a6 and gambit lines after 4 Nc3 dxc4} (6. Qb3 Ra7 7. Nh4 Bc8 8. Bd2 e6 9. c5 Nbd7 10. Nf3 e5 11. Nxe5 Nxe5 12. dxe5 Nd7 13. Na4 Bxc5 14. Nxc5 Nxc5 {0-1 (84) Radjabov,T (2757)-Fedoseev,V (2724) Wijk aan Zee 2019}) 6... Bg4 7. Qc2 e6 8. h3 {White has an edge.} Bh5 9. g4 Nfd7 10. gxh5 {Nf3 is the strong threat.} Qxh4 11. Bd2 dxc4 12. Bxc4 c5 $146 ({Predecessor:} 12... Qxh5 13. Be2 Qh4 {1-0 (30) Gledura,B (2615)-Paehtz,E (2477) Wijk aan Zee 2019}) 13. O-O-O $36 {[%mdl 2048] White has some pressure.} Nc6 14. Rhg1 cxd4 15. exd4 Qxd4 16. Ne4 Nc5 $1 17. Ng5 Ne5 18. Be2 Ned3+ (18... h6 $11 19. Be3 {[%mdl 64] Pin} Qa4 20. Qxa4+ Nxa4) 19. Kb1 $16 {Black must now prevent Bc3.} Nb4 $2 (19... Nxf2 $16 {is more resistant.} 20. Bc3 Qa4) 20. Bxb4 $1 $18 Qxb4 21. Rg4 Qb6 22. h6 g6 (22... Qc7 $142 23. hxg7 Bxg7) 23. Qc3 Rg8 24. Nxh7 Bxh6 25. Nf6+ {[%mdl 64] Double Attack} Ke7 26. Rb4 ({Don't take} 26. Nxg8+ Rxg8 27. Rc4 Bg7 $18) 26... Qa5 27. Ne4 ({Much less strong is} 27. Nxg8+ Rxg8 28. a3 Qc7 $18) 27... Rac8 $2 (27... Rgd8 28. Qxc5+ Qxc5 29. Rxb7+ Kf8 30. Nxc5 Rxd1+ 31. Bxd1 Bg7) 28. Qf6+ Kf8 {[#]} 29. Nd6 $1 {[%csl Gd6][%cal Rf6f7][%mdl 576] Double Attack} Rc7 {[#]} 30. Nc4 {Accuracy: White = 72%, Black = 43%.} (30. Nf5 $142 $1 {[%mdl 512]} Rd7 (30... exf5 31. Rd8#) 31. Rxd7 Qxa2+ 32. Kxa2 Nxd7 33. Qe7#) 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.28"]
[Round "5.2"]
[White "Abdusattorov, Nodirbek"]
[Black "Georgiadis, Nico"]
[Result "1-0"]
[ECO "C49"]
[WhiteElo "2598"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "195"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,195,0,0,0,10,5,20,7,0,0,0,-46,-27,-26,-26,-70,-20,-39,-38,-57,-46,-46,-46,-43,20,32,31,-6,-6,-5,0,0,0,0,0,0,0,0,0,0,0,-2,30,0,0,0,0,0,0,-16,-9,-10,62,61,43,44,54,4,41,17,15,17,31,0,0,0,18,-5,-10,-56,-47,-42,0,-8,-8,-8,-1,-1,0,0,0,-27,-27,-62,-62,-59,-52,-420,-433,-428,-379,-412,-407,-643,-647,-748,-764,-1191,-105,-131,-40,-36,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-53,0,0,0,0,0,0,0,0,0,0,0,0,0,-19,-19,-19,-19,-46,-46,-46,-15,-15,0,0,0,0,0,0,0,0,0,0,0,0,0,0,8,8,9727,8141,6886,5709,12799,12792,12792,12785,12222,9439,6964,6288,5704,5697,5656,5604,5507,5443,5417,4634]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. O-O O-O 6. d3 d6 7. Bxc6 bxc6 8. Ne2 h6 9. Ng3 Re8 10. c3 Bc5 11. Re1 {C49: Four Knights: 4 Bb5 Bb4} a5 12. h3 (12. d4 exd4 13. cxd4 Bb6 14. h3 c5 15. d5 {½-½ (54) Svidler,P (2749)-Jumabayev,R (2525) Astana 2012}) 12... Be6 13. Qc2 $146 {The position is equal.} ({Predecessor:} 13. d4 exd4 14. Nxd4 Bd7 15. b3 {½-½ (49) Rudyak,I (2412)-Malashenkov,A (2413) ICCF email 2015}) 13... a4 14. Bd2 Bb6 15. c4 c5 16. Rf1 Nd7 17. Be3 c6 18. Kh2 d5 19. Rae1 Qe7 20. Ng1 Bc7 21. N1e2 dxc4 (21... d4 $15 22. Bd2 Reb8) 22. dxc4 $11 Nf8 23. Nf5 Bxf5 24. exf5 e4+ 25. Kg1 a3 26. b3 Qf6 27. Ng3 h5 $1 28. Qc1 h4 29. Bg5 Qd4 30. Ne2 Qd7 (30... Qb2 {feels hotter.} 31. Qd2 g6 32. fxg6 Nxg6 33. Nc3 Ba5) 31. Bxh4 Qxf5 32. Bg3 $36 {[%mdl 2048] White is more active.} Ba5 33. Rd1 Bb4 34. Qf4 Qxf4 35. Bxf4 Ng6 (35... Rad8 $11) 36. Be3 $14 f5 37. Rd6 Ne5 38. Rfd1 Rac8 39. Ng3 Rf8 40. Nh5 Nd3 41. Nf4 Nb2 $1 {[%cal Rb2d1]} 42. Rf1 Rfd8 43. Rxd8+ (43. Rg6 {is interesting.} Nd3 44. Nxd3 Rxd3 45. h4 Rc3 46. Rd6) 43... Rxd8 44. Ne6 Re8 45. Nc7 ({Avoid the trap} 45. Nxc5 $2 f4 $19) 45... Rd8 46. Na6 Kf7 47. g3 ({Much weaker is} 47. Bxc5 Bxc5 48. Nxc5 Rd2 $17) 47... Nd3 48. Rd1 Ra8 49. Nxb4 cxb4 $11 {[%mdl 4096] Endgame KRB-KRN} 50. f4 Ke6 51. g4 Rf8 52. Rf1 g6 53. Kh2 $2 {[%mdl 8192] [#]} (53. Bd2 $15) 53... g5 $1 $19 {[%cal Rg5f4][%mdl 512]} 54. fxg5 f4 55. g6 Ke5 56. Bb6 (56. Kg2 $142 c5 57. h4) 56... Kf6 57. h4 {intending h5.} Kxg6 58. Kg2 e3 $2 (58... c5 $19 {has better winning chances.} 59. Bxc5 Nxc5) 59. Kf3 $17 {[#]} ({But not} 59. Bxe3 $2 fxe3 60. Rxf8 e2 $19) 59... Ne5+ (59... Re8 $1 $17 60. Ke2 Nf2) 60. Ke2 $1 $15 f3+ (60... Rf7 $5 {[%cal Re5g4]} 61. Bc5 f3+ 62. Kxe3 Nxg4+ 63. Kd3 Kh5 64. Bxb4 Kxh4 65. Bxa3 f2 $17) 61. Kxe3 Nxg4+ 62. Ke4 f2 63. Kd3 $1 Rf3+ 64. Ke2 Rc3 {...Rc2+ is the strong threat.} 65. Kd2 Rf3 66. Ke2 Rc3 67. Kd2 Nf6 68. Bxf2 Ne4+ 69. Kd1 (69. Ke2 $11) 69... c5 ({Black should play} 69... Rh3 $15 70. Bg1 Rxh4) 70. Be1 Rd3+ 71. Ke2 Rh3 72. Rf4 Rh2+ 73. Kd3 Rxa2 {aiming for ...Nf6.} 74. Rxe4 $11 {KRB-KR} Rb2 75. Re6+ Kf5 76. Ra6 Rxb3+ 77. Ke2 Ke4 {Hoping for ...Rb2+.} 78. h5 Re3+ 79. Kd2 Rh3 {Threatens to win with ...Kd4.} 80. Bf2 $1 Rh2 81. Ke2 Rxh5 82. Re6+ Kf5 (82... Re5 $5 83. Ra6 $8 Rh5 $11) 83. Ra6 Ke4 84. Re6+ Re5 (84... Kf5 $5 85. Ra6 $8 Rh2 $11) 85. Ra6 Kf4+ 86. Kd3 Kf3 87. Bg1 Kg4 88. Ra5 Kf3 $2 {[%mdl 8192]} (88... b3 $11 89. Rxa3 Re1) 89. Bxc5 $18 {White is clearly winning.} a2 90. Rxa2 Rxc5 {KR-KR} 91. Rb2 Kf4 92. Rxb4 Ke5 93. Rb6 Ra5 94. Kc3 Ra1 {[#]} 95. Kb4 $1 Rb1+ 96. Kc5 Rc1 97. Rh6 Rc2 98. Kb5 {Accuracy: White = 64%, Black = 57%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.28"]
[Round "5.3"]
[White "Maghsoodloo, Parham"]
[Black "Leko, Peter"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2656"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "141"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,141,25,29,27,18,13,18,19,21,29,16,34,25,28,28,26,25,35,29,47,32,28,41,39,33,33,33,43,33,34,41,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,43,50,43,43,0,31,31,31,0,23,23,23,23,31,0,0,0,0,0,0,0,0,0,37,7,0,0,73,0,98,77,72,0,43,0,127,49,78,0,0,0,0,0,744,744,730,730,722,722,714,643,29978,29979,29977,29980,29980,29981,29981,29981,29986,29987,29987,29988,29988,29989,29989,29990]} 1. Nf3 Nf6 2. c4 c5 3. b3 g6 4. g3 b6 5. Bg2 Bb7 6. O-O Bg7 7. Bb2 O-O 8. d4 cxd4 9. Qxd4 d6 10. Rd1 Nbd7 11. Nc3 Ne4 {A30: Symmetrical English: Double Fianchetto and Hedgehog} 12. Qe3 Nxc3 13. Bxc3 Bxc3 {The position is equal.} 14. Qxc3 Rc8 {[#]} 15. a4 $146 ({Predecessor:} 15. Qe3 Rc5 16. Rd4 Re8 17. Rh4 Nf6 18. Qh6 Bxf3 19. Bxf3 {½-½ (34) Rakhmanov,A (2662)-Artemiev,V (2663) Sochi 2016}) 15... Nf6 16. Qe3 Rc5 17. Ne1 Bxg2 18. Nxg2 Qc7 19. Nf4 Qb7 20. Nd3 Rc7 21. Nb4 a5 22. Nd5 Nxd5 23. Rxd5 Rfc8 24. Qh6 Rc5 25. e4 Qd7 26. Rad1 Qg4 27. Re1 {[%cal Bd1e1,Be1e3,Be3f3][%mdl 32]} Qf3 28. Re3 Qf6 29. Kg2 Qe6 30. h4 f6 31. Qf4 h5 32. Qh6 Qf7 33. Rf3 Qh7 34. Qf4 (34. Qe3 {feels hotter.} Kg7 35. Qd2 Qg8 36. Re3 Qe6 37. Re1) 34... Kg7 35. Qd2 Qg8 36. Re3 Qf7 37. f4 Kh7 38. Qe2 Qe6 39. Qd3 Kg7 40. f5 Qf7 41. Rf3 gxf5 42. Rdxf5 Qg6 43. R3f4 Kh7 44. Qf3 Re5 45. Rxe5 (45. Qe3 {seems wilder.} Rg8 46. Qf2 Kh8 47. Kh2 Rc5 48. Kh3) 45... dxe5 $14 {[%mdl 4096] Endgame KQR-KQR} 46. Rf5 Rd8 47. Rxh5+ Kg7 48. Rf5 e6 49. h5 Rd2+ (49... Qh6 $5 50. Qg4+ $8 Kf7 $16) 50. Kh3 Qh6 51. Qg4+ Kf7 {[#]} (51... Kf8 $11 52. Rf3 Rd4) 52. Rf1 (52. Rf3 $1 $16) 52... Rd4 (52... Rd3 $11) 53. Rf2 $16 Ke7 54. Qf3 ({White should try} 54. Qg6 $16 Qxg6 55. hxg6) 54... Qg5 55. Rc2 {Threatens to win with c5.} (55. c5 $5 bxc5 56. Rc2 $14) 55... Kd6 {[#]} (55... Rd2 $11 56. Rc1 (56. Rxd2 Qxd2 57. g4 Kf7 $11) 56... Rb2) 56. Kg2 (56. Qg4 $1 $16 Qe3 57. Qe2) 56... f5 $14 57. c5+ (57. exf5 $16 exf5 58. Qb7) 57... bxc5 $11 58. Qc3 {[%mdl 64] Double Attack} c4 $1 59. bxc4 {exf5 is the strong threat.} fxe4 $2 {[%mdl 8192]} (59... Qxh5 $11 60. Qxa5 Ke7 61. Qc5+ (61. Qxe5 $2 Rd1 $19) 61... Kf7 62. Qc7+ (62. Qxe5 {leads to mate.} Rd1 63. Qc7+ Kg6 64. exf5+ Kf6 65. Kf2 Qh2+ 66. Kf3 Qxc2 {[%mdl 64] Double Attack} 67. Qf4 Qd3+ 68. Kg2 Qe2+ 69. Qf2 Qe4+ {[%mdl 64] Double Attack} 70. Kh3 Rh1+ 71. Qh2 Qxf5+ 72. g4 Qf3+ 73. Kh4 Rxh2#) 62... Kf6) 60. c5+ $18 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Ke7 61. c6 Rd3 62. Qc5+ Ke8 63. Qf2 {White threatens c7 and mate.} Rd8 64. c7 {White mates.} Rc8 {[#]} 65. Qb6 $1 {[%mdl 512]} Ke7 66. Qc5+ Kd7 67. Rf2 Qxh5 68. Rd2+ Ke8 69. Qc6+ Kf8 70. Qd6+ Kg7 71. Qe7+ {Accuracy: White = 73%, Black = 67%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.28"]
[Round "5.4"]
[White "Cori, Jorge"]
[Black "Shankland, Sam"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2686"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "69"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,103,0,0,0,0,0,0,-42,-40,-37,57,53,53,31,79,45,76,63,103,102,98,108,102,110,108,89,335,337,299,333,345,325,341,327,329,337,338,325,326,333,334,323,351,371,349,298,520,522,506,453,633,633,630,629,624,620,614,596,555,492,574,354,353,303,351,233,231,0,346,324,359,367,379,371,427,427,590,587,558,381,394,341,29944,863,29993,966,29991,539,927,918]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 O-O 8. Bb2 e5 9. Be2 {D45: Semi-Slav: 5 e3} e4 10. Nd2 Re8 11. g4 {The position is equal.} Nf8 $1 {[%cal Bd7f8,Bf8g6,Bg6h4,Bh4g2][%mdl 32]} 12. h3 $1 g5 $146 (12... h6 $15) ({Predecessor:} 12... Be6 13. O-O-O a6 14. c5 Bc7 15. Rdg1 N6d7 16. h4 b6 17. cxb6 Nxb6 {0-1 (49) Duda,J (2717)-Wang,H (2709) Riadh 2017}) 13. O-O-O $14 Ng6 14. Kb1 Nh4 15. Rhg1 Bh2 16. Rgf1 Bd7 17. f3 {[%cal Rf3e4]} Ng2 18. fxe4 {Strongly threatening Qd3.} Nxe3 19. Qd3 Bf4 (19... Nxf1 $6 20. Rxf1 Be6 21. cxd5 $14) 20. e5 Nh5 $2 (20... b5 $16 {keeps fighting.}) 21. Rf3 $18 Nxd1 22. Bxd1 Ng7 23. cxd5 f5 24. Bc2 Rf8 25. Ba3 Rf7 26. Nc4 cxd5 27. Nd6 (27. Nxd5 $6 Bc6 $18) 27... Qa5 28. Bc5 (28. Nxf7 Kxf7 29. Bc1 Rc8 $18) 28... b6 29. Nxf7 bxc5 30. Nh6+ (30. gxf5 c4 $18) 30... Kf8 $2 (30... Kh8 {was called for.} 31. dxc5 (31. gxf5 c4 $18) (31. Nxd5 Qe1+ 32. Qd1 Qxd1+ 33. Bxd1 fxg4 $18) 31... Rf8) 31. gxf5 c4 32. Qe2 Rc8 {intending ...cxb3.} 33. e6 cxb3 34. axb3 Bxe6 35. fxe6 {Played: f5-f6} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.29"]
[Round "6.1"]
[White "Bogner, Sebastian"]
[Black "Shankland, Sam"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2584"]
[BlackElo "2713"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,80,31,36,33,22,23,23,42,35,49,40,50,46,42,39,60,49,50,6,15,6,13,6,2,-17,0,0,0,-6,-18,-13,0,0,0,-8,0,-11,0,0,0,0,0,0,0,0,0,0,13,20,106,95,92,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Bd7 9. Be2 Qa5 {aiming for ...cxd4. D85: Exchange Grünfeld: Unusual White 7th moves and lines with 7 Nf3} 10. Bd2 O-O 11. O-O Rd8 $146 {White has an edge.} ({Predecessor:} 11... Qa4 12. Bg5 cxd4 13. cxd4 h6 14. Be3 Rc8 15. Qd2 Rc2 16. Bd1 Rxd2 17. Bxa4 Rb2 18. Bxd7 Nxd7 19. Rfb1 Rb6 20. a4 Rc8 21. a5 Rxb1+ 22. Rxb1 {½-½ (22) Moiseenko,A (2674)-Svidler,P (2760) Germany 2018}) 12. Qb3 Qc7 13. d5 Bg4 14. Rab1 b6 15. Bg5 Qd6 16. Rfe1 Nd7 17. Bh4 Bxf3 18. Bxf3 c4 19. Qxc4 Rdc8 20. Qa6 Bxc3 21. Rec1 Nc5 22. Qc4 Be5 23. Bg3 Rc7 24. Bxe5 Qxe5 25. Qc3 Qg5 26. e5 {Threatens to win with d6.} Rac8 27. d6 $36 {[%mdl 2048] White is pushing.} exd6 28. exd6 Rd7 29. Rd1 Rcd8 30. Rd5 Qh6 31. Rbd1 Qf8 {[%cal Rd7d6]} 32. Qf6 Nb7 {[#]} (32... Qg7 $11 {remains equal.} 33. Qf4 Qc3) 33. R5d4 $1 $16 Qg7 {[#]} 34. Qxg7+ (34. Qe7 $1 $16 Na5 35. h4) 34... Kxg7 $11 {The position is equal.} 35. Bxb7 Rxb7 $16 {KRR-KRR} 36. a4 Rbd7 37. f4 f5 38. Rd5 Kf6 39. a5 bxa5 40. Rxa5 Rxd6 {Accuracy: White = 56%, Black = 56%.} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.29"]
[Round "6.2"]
[White "Leko, Peter"]
[Black "Cori, Jorge"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2674"]
[BlackElo "2686"]
[Annotator "TA"]
[PlyCount "109"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,109,20,25,18,20,23,11,35,40,15,19,16,22,10,22,38,40,22,0,47,56,48,9,31,22,21,10,111,110,110,120,131,131,136,107,137,17,124,126,172,114,159,157,210,220,325,313,281,219,335,339,318,300,336,300,302,270,292,288,272,274,285,267,272,0,177,184,691,691,689,684,672,668,607,668,747,1042,1038,732,747,429,1047,1028,987,957,7598,5220,1288,592,590,580,29974,29975,29980,29982]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 8. Qd2 O-O 9. dxc5 Nxc5 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4} 10. O-O-O a6 11. h4 b5 {The position is equal.} 12. Bd3 Nxd3+ (12... b4 13. Bxc5 Bxc5 14. Na4 Ba7 15. Qe2 f5 16. g4 Ne7 17. Ng5 {0-1 (45) Caruana,F (2828)-Nyzhnyk,I (2638) chess.com INT 2019}) 13. Qxd3 Nb4 14. Qd2 Bb7 15. Kb1 $146 ({Predecessor:} 15. f5 exf5 16. a3 Nc6 17. Nxd5 {1-0 (34) Peters,J (2430)-Landaw,M Los Angeles 2005}) 15... Rc8 16. f5 exf5 17. a3 d4 18. Nxd4 Nd5 {And now ...Nxc3+ would win.} 19. Nxd5 (19. Nxf5 $5 {[%cal Rc3d5]} Nxc3+ 20. bxc3 Bxa3 21. Qe2 $18) 19... Bxd5 20. Nxb5 Be4 21. Nc3 Qc7 (21... Qxd2 $11 22. Rxd2 Rc4) 22. Nxe4 $16 fxe4 23. Bd4 $1 Rb8 24. Rh3 Rfd8 25. Qe2 Qc6 26. Rc3 (26. Qg4 $16) 26... Qd5 (26... Qb5 $1 $11 {keeps the balance.} 27. Qxb5 Rxb5) 27. Re3 a5 28. Ka1 (28. Rxe4 $18 Qb7 29. c3) 28... a4 29. Rxe4 Qb7 (29... Bc5 $16 30. c4 Qb7) 30. c4 $1 $18 Qc6 (30... Bc5 $142 31. Rg4 g6) 31. e6 {Threatening mate with exf7+.} f6 32. Re3 Rb3 {[#]} (32... Rdc8 $142 33. c5 Rd8) 33. Bc3 $1 {Black must now prevent Rxd8+.} Rxd1+ 34. Qxd1 Qxc4 35. Qd7 Kf8 36. g4 Rb8 {intending ...Rd8.} 37. Bb4 Qc1+ 38. Ka2 Qxe3 39. Qxe7+ {[%mdl 4096] Endgame KQR-KQB} Kg8 {With the idea ...Qb3+.} 40. Qf7+ Kh8 {Black wants to play ...Qb3+.} 41. e7 {White wants to mate with Qf8+.} h6 $2 {[#]} (41... h5) 42. g5 $1 ({Weaker is} 42. Qf8+ Kh7 $11) 42... Qb3+ 43. Qxb3 axb3+ 44. Kxb3 fxg5 45. hxg5 {KR-KB} Kh7 46. Kc4 Kg6 47. Bd6 Ra8 48. Kb5 Kf7 (48... hxg5 $142 49. b4 Kf7) 49. gxh6 gxh6 50. a4 {[%cal Ba3a4,Ba4a5][%mdl 32]} Ke6 51. Kc6 Rc8+ 52. Kb7 (52. Bc7 $142 Kxe7 53. a5) 52... Kd7 53. a5 {aiming for a6.} Rc2 54. b4 Re2 55. Bc5 {Accuracy: White = 77%, Black = 38%.} 1-0

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.29"]
[Round "6.3"]
[White "Georgiadis, Nico"]
[Black "Maghsoodloo, Parham"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "2514"]
[BlackElo "2656"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:20]} 2. c4 {[%emt 0:00:00]} g6 {[%emt 0:00:05]} 3. Nc3 {[%emt 0:00:00]} d5 {[%emt 0:01:11]} 4. cxd5 {[%emt 0:00:02]} Nxd5 {[%emt 0:00:04]} 5. e4 {[%emt 0:00:07]} Nxc3 {[%emt 0:00:06]} 6. bxc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:15]} 7. Nf3 {[%emt 0:00:07]} c5 {[%emt 0:01:02]} 8. Bb5+ {[%emt 0:00:05]} Bd7 {[%emt 0:00:45]} 9. Bxd7+ {[%emt 0:01:11]} Qxd7 {[%emt 0:01:51]} 10. O-O {[%emt 0:00:08]} O-O {[%emt 0:00:41]} 11. Be3 {[%emt 0:02:38]} Rc8 {[%emt 0:13:27]} 12. Qe2 {[%emt 0:23:03]} Qg4 {[%emt 0:12:37]} 13. Qd3 {[%emt 0:06:30]} cxd4 {[%emt 0:10:35]} 14. cxd4 {[%emt 0:00:36]} Nc6 {[%emt 0:00:16]} 15. Rab1 {[%emt 0:07:39]} b6 {[%emt 0:00:36]} 16. Rfc1 {[%emt 0:07:37]} Na5 {[%emt 0:10:32]} 17. h3 {[%emt 0:02:46]} Qd7 {[%emt 0:00:18]} 18. d5 {[%emt 0:10:03]} Rd8 {[%emt 0:08:03]} 19. Bf4 {[%emt 0:11:11]} Rac8 {[%emt 0:01:03]} 20. Qa6 {[%emt 0:03:31]} e6 {[%emt 0:10:27]} 21. dxe6 {[%emt 0:03:26]} Qxe6 {[%emt 0:00:33]} 22. Qxa7 {[%emt 0:08:17]} Nc4 {[%emt 0:01:32]} 23. Qb7 {[%emt 0:06:12]} h6 {[%emt 0:04:54]} 24. a4 {[%emt 0:02:46]} Bf8 {[%emt 0:11:28]} 25. Re1 {[%emt 0:04:51]} g5 {[%emt 0:04:15]} 26. Bg3 {[%emt 0:01:36]} Bc5 {[%emt 0:01:43]} 27. Rbd1 {[%emt 0:02:36]} Nb2 {[%emt 0:05:53]} 28. Rxd8+ {[%emt 0:00:05]} Rxd8 {[%emt 0:00:02]} 29. a5 {[%emt 0:00:47]} Nd3 {[%emt 0:00:01]} 30. Ra1 {[%emt 0:03:12]} g4 {[%emt 0:02:50]} 31. hxg4 {[%emt 0:00:37]} Qxg4 {[%emt 0:00:01]} 32. Qc7 {[%emt 0:02:15]} Rc8 {[%emt 0:00:49]} 33. Ne5 {[%emt 0:00:17]} Qe6 {[%emt 0:06:31]} 34. Qd7 {[%emt 0:01:44]} Nxf2 {[%emt 0:01:23]} 35. Bxf2 {[%emt 0:00:48]} Bxf2+ {[%emt 0:00:01]} 36. Kf1 {[%emt 0:00:33]} Bg3 {[%emt 0:00:33]} 37. Qxe6 {[%emt 0:00:18]} fxe6 {[%emt 0:00:01]} 38. Nd3 {[%emt 0:00:34]} bxa5 {[%emt 0:00:16]} 39. Rxa5 {[%emt 0:00:07]} Rc2 {[%emt 0:00:08]} 40. Ra3 {[%emt 0:01:01]} h5 {[%emt 0:00:14]} 41. Rb3 {[%emt 0:09:41]} Rd2 {[%emt 0:03:03]} 42. Nc5 {[%emt 0:02:37]} h4 {[%emt 0:00:11]} 43. Nxe6 {[%emt 0:01:09]} Rf2+ {[%emt 0:00:16]} 44. Kg1 {[%emt 0:00:06]} Re2 {[%emt 0:00:04]} 45. Rf3 {[%emt 0:00:59]} Re1+ {[%emt 0:00:08]} 46. Rf1 {[%emt 0:00:04]} Bh2+ {[%emt 0:00:03]} 47. Kf2 {[%emt 0:00:06]} Bg3+ {[%emt 0:00:02]} 48. Kg1 {[%emt 0:00:04]} Bh2+ {[%emt 0:00:03]} 49. Kf2 {[%emt 0:00:04]} Bg3+ {[%emt 0:00:04]} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.29"]
[Round "6.4"]
[White "Vidit, Santosh Gujrathi"]
[Black "Abdusattorov, Nodirbek"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2703"]
[BlackElo "2598"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 23,83,12,11,11,12,6,6,5,5,5,8,5,11,6,13,0,13,0,12,12,27,27,32,32,32,32,48,32,32,32,29,29,40,16,37,33,35,10,11,5,5,5,10,4,12,0,12,12,12,12,12,12,13,13,24,22,15,14,16,14,346,-208]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 Bd7 9. Qxc4 Bc6 10. Bg5 Bd5 11. Qc2 Be4 12. Qc1 h6 13. Bxf6 {E05: Open Catalan: 5 Nf3 Be7} Bxf6 14. Rd1 a5 15. Nbd2 {The position is equal.} Bxf3 16. Bxf3 c6 17. Nc4 (17. e3 Nd7 18. h4 Be7 19. h5 Bb4 20. Nb3 Qe7 {½-½ (59) Vidit,S (2718)-So,W (2780) chess.com INT 2018}) 17... Na6 18. e3 Nb4 19. Qd2 Qc7 20. Qe2 Rad8 21. h4 e5 $146 ({Predecessor:} 21... g6 22. h5 g5 23. Rd2 Rd7 24. Rad1 Rfd8 25. Be4 {½-½ (25) Wapniewski,K (2384)-Felkel,S (2414) GER email 2016}) 22. dxe5 Bxe5 23. h5 Bf6 24. Kg2 Rfe8 25. Rac1 Be7 26. Rxd8 Rxd8 27. Rd1 Nd5 28. Qc2 Nf6 29. Qf5 Bb4 30. Qe5 (30. Ne5 {with more complications.} Kf8 31. Be2 Rxd1 32. Bxd1 Bd6 33. Ng4) 30... Qxe5 31. Nxe5 Rxd1 32. Bxd1 $11 {[%mdl 4096] Endgame KBN-KBN} Bd6 33. Nc4 Bc7 34. g4 Kf8 35. f4 Ne4 36. Kf3 Nc5 37. b3 Ke7 38. Nd2 Nd3 39. Ne4 Bb6 40. Ng3 Bc5 41. Nf5+ Ke6 $2 {[%mdl 8192] [#]} (41... Kf8 $1 $11) 42. Ke4 $4 {[%mdl 8192] Accuracy: White = 64%, Black = 48%.} (42. Nxg7+ $18 {is the narrow road to win.} Kd7 43. Nf5) 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.30"]
[Round "7.1"]
[White "Abdusattorov, Nodirbek"]
[Black "Bogner, Sebastian"]
[Result "1/2-1/2"]
[ECO "B19"]
[WhiteElo "2598"]
[BlackElo "2584"]
[Annotator "ChessBase"]
[PlyCount "141"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/6000+30:20/3000+30:900+30"]

1. e4 {[%emt 0:00:00]} c6 {[%emt 0:00:05]} 2. d4 {[%emt 0:00:00]} d5 {[%emt 0:00:07]} 3. Nc3 {[%emt 0:00:17]} dxe4 {[%emt 0:00:07]} 4. Nxe4 {[%emt 0:00:06]} Bf5 {[%emt 0:00:07]} 5. Ng3 {[%emt 0:00:10]} Bg6 {[%emt 0:00:04]} 6. h4 {[%emt 0:00:09]} h6 {[%emt 0:00:08]} 7. Nf3 {[%emt 0:00:06]} e6 {[%emt 0:00:15]} 8. h5 {[%emt 0:00:18]} Bh7 {[%emt 0:00:09]} 9. Bd3 {[%emt 0:00:11]} Bxd3 {[%emt 0:00:07]} 10. Qxd3 {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 11. Bd2 {[%emt 0:01:07]} Be7 {[%emt 0:00:08]} 12. O-O-O {[%emt 0:00:35]} c5 {[%emt 0:00:37]} 13. Ne4 {[%emt 0:09:05]} cxd4 {[%emt 0:03:52]} 14. Nxd4 {[%emt 0:01:51]} Nbd7 {[%emt 0:00:05]} 15. Nxf6+ {[%emt 0:05:23]} Nxf6 {[%emt 0:02:45]} 16. Qb5+ {[%emt 0:02:14]} Qd7 {[%emt 0:00:10]} 17. Qxd7+ {[%emt 0:00:27]} Kxd7 {[%emt 0:00:50]} 18. Be3 {[%emt 0:21:23]} Rhc8 {[%emt 0:00:29]} 19. Nb5+ {[%emt 0:08:31]} Ke8 {[%emt 0:00:20]} 20. Bf4 {[%emt 0:13:07]} Nd5 {[%emt 0:22:06]} 21. Rxd5 {[%emt 0:02:27]} exd5 {[%emt 0:00:05]} 22. Nc7+ {[%emt 0:00:05]} Rxc7 {[%emt 0:00:46]} 23. Bxc7 {[%emt 0:00:06]} Bf6 {[%emt 0:00:52]} 24. Bf4 {[%emt 0:02:58]} Kd7 {[%emt 0:00:22]} 25. Rd1 {[%emt 0:01:03]} Ke6 {[%emt 0:04:20]} 26. Be3 {[%emt 0:01:50]} a6 {[%emt 0:05:52]} 27. Rd3 {[%emt 0:04:58]} b5 {[%emt 0:09:53]} 28. g4 {[%emt 0:01:39]} Rc8 {[%emt 0:03:30]} 29. f3 {[%emt 0:00:30]} Rc6 {[%emt 0:03:48]} 30. a3 {[%emt 0:03:36]} Rc8 {[%emt 0:05:42]} 31. Rd1 {[%emt 0:03:41]} Kd6 {[%emt 0:02:53]} 32. Re1 {[%emt 0:04:01]} Kd7 {[%emt 0:05:26]} 33. c3 {[%emt 0:03:32]} Rc4 {[%emt 0:07:07]} 34. Kc2 {[%emt 0:01:48]} a5 {[%emt 0:01:54]} 35. Kd3 {[%emt 0:01:28]} b4 {[%emt 0:04:58]} 36. axb4 {[%emt 0:00:24]} axb4 {[%emt 0:00:05]} 37. Bd2 {[%emt 0:00:26]} bxc3 {[%emt 0:00:20]} 38. bxc3 {[%emt 0:00:04]} Ra4 {[%emt 0:01:17]} 39. Rb1 {[%emt 0:00:18]} Be5 {[%emt 0:02:35]} 40. Rb4 {[%emt 0:01:02]} Ra3 {[%emt 0:15:08]} 41. Rb7+ {[%emt 0:51:50]} Kc6 {[%emt 0:51:49]} 42. Rxf7 {[%emt 0:00:20]} d4 {[%emt 0:00:28]} 43. f4 {[%emt 0:01:02]} dxc3 {[%emt 0:00:00]} 44. Bc1 {[%emt 0:00:00]} Ra1 {[%emt 0:00:00]} 45. fxe5 {[%emt 0:00:00]} Rxc1 {[%emt 0:00:00]} 46. Rxg7 {[%emt 0:00:00]} Kd5 {[%emt 0:00:00]} 47. e6 {[%emt 0:00:00]} Kxe6 {[%emt 0:00:00]} 48. Rg6+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 49. Rxh6 {[%emt 0:00:00]} Rg1 {[%emt 0:00:00]} 50. Rg6 {[%emt 0:00:00]} Rg3+ {[%emt 0:00:00]} 51. Kc2 {[%emt 0:00:00]} Rh3 {[%emt 0:00:00]} 52. Kb3 {[%emt 0:00:00]} Rg3 {[%emt 0:00:00]} 53. g5 {[%emt 0:00:00]} Rh3 {[%emt 0:00:00]} 54. Rf6+ {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 55. h6+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 56. Rf7+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:00]} 57. Kc2 {[%emt 0:00:00]} Rg3 {[%emt 0:00:00]} 58. Rg7 {[%emt 0:00:00]} Rh3 {[%emt 0:00:00]} 59. Rc7 {[%emt 0:00:00]} Rg3 {[%emt 0:00:00]} 60. Rc8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 61. Rc5 {[%emt 0:00:00]} Kg6 {[%emt 0:01:23]} 62. Kb3 {[%emt 0:00:00]} Kh7 {[%emt 0:01:15]} 63. Kc2 {[%emt 0:00:00]} Kg6 {[%emt 0:00:06]} 64. Kd1 {[%emt 0:00:00]} Rg1+ {[%emt 0:01:26]} 65. Kc2 {[%emt 0:00:00]} Rg3 {[%emt 0:00:49]} 66. Rd5 {[%emt 0:00:00]} Kh7 {[%emt 0:00:53]} 67. Rd7+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:14]} 68. Rg7 {[%emt 0:00:00]} Rh3 {[%emt 0:00:14]} 69. Kb3 {[%emt 0:00:00]} c2+ {[%emt 0:00:49]} 70. Kxc2 {[%emt 0:00:00]} Rxh6 {[%emt 0:00:05]} 71. gxh6 {[%emt 0:00:00]} 1/2-1/2

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.30"]
[Round "7.2"]
[White "Maghsoodloo, Parham"]
[Black "Vidit, Santosh Gujrathi"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2656"]
[BlackElo "2703"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,60,-20,7,-18,-24,-27,-6,-28,0,0,-13,2,9,0,0,0,0,0,0,-51,-42,-80,-76,-301,-322,-335,-330,-427,-422,-416,-418,-418,-408,-448,-433,-570,-558,-551,-548,-866,-800,-796,-789,-1032,-785,-752,-743]} 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O e5 5. d3 d5 6. c3 Be7 7. Nbd2 O-O 8. e4 Re8 9. Qb3 {A08: King's Indian Attack} (9. exd5 Nxd5 10. Nc4 Bf8 11. Re1 f6 12. Qb3 Kh8 13. Ncxe5 Nxe5 14. Nxe5 Be6 15. Nc4 Nb6 16. Qc2 Nxc4 17. dxc4 Bxc4 {1-0 (58) Movsesian,S (2723)-Gelfand,B (2720) Moscow 2008}) 9... d4 $146 ({Predecessor:} 9... Bf8 10. Re1 d4 11. Nc4 Rb8 12. a4 Be6 13. Qc2 Nd7 14. Ng5 Bg4 15. f4 f6 16. Nf3 Be6 {1-0 (46) Semenov,D (2166)-Ivanov,A (2321) Dnipropetrovsk 2000}) 10. Nc4 Nd7 11. Bd2 {The position is equal.} Rb8 {[%cal Ba8b8,Bb8b7,Bb7d7][%mdl 32]} 12. a4 b6 13. Bh3 Ba6 14. Rac1 dxc3 15. Bxc3 Rb7 16. Rcd1 {[%cal Rf3e5]} Bf8 17. Rfe1 (17. Bxd7 $11 Bxc4 18. dxc4 Rxd7 19. Rd5) 17... Qf6 $15 18. Bxd7 Rxd7 19. Nfxe5 $2 {[#]} (19. Kg2 $17) 19... Nxe5 $19 ({Weaker is} 19... Rxe5 20. f4 $16) 20. Nxe5 Rxe5 21. f4 Qe6 22. Qc2 Rh5 23. f5 Qc6 24. Be5 Bb7 {Black is clearly winning.} 25. g4 Rh4 26. Qg2 Bd6 27. d4 cxd4 28. Bxd6 Qxd6 29. e5 Qd5 30. Qxd5 Rxg4+ {Accuracy: White = 34%, Black = 82%.} 0-1

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.30"]
[Round "7.3"]
[White "Cori, Jorge"]
[Black "Georgiadis, Nico"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "2686"]
[BlackElo "2514"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 26,58,0,0,0,-41,-23,-35,-42,-31,-40,-369,-369,-372,-367,-373,-372,-343,-141,-196,-188,-210,-204,-270,-270,-604,-591,-677,-698,-1015,-291,-958,-996,-961,-953]} 1. c4 e6 2. Nf3 d5 3. e3 Nf6 4. Nc3 c5 5. cxd5 exd5 6. d4 a6 7. Be2 Nc6 8. O-O Bd6 9. dxc5 Bxc5 10. b3 O-O 11. Bb2 Ba7 12. Rc1 Re8 13. Na4 Ne4 14. Nd4 Qg5 {D32: Tarrasch Defence: Sidelines and lines without g3} (14... Bd7 15. Nxc6 Bxc6 16. Bd4 Bxa4 17. bxa4 Bb8 18. g3 Be5 19. Bxe5 Rxe5 20. Qd4 Qe7 21. Rc2 Re8 22. Bf3 {1-0 (50) Cori Tello,J (2664)-Volodin,A (2457) Batumi 2018}) 15. Nxc6 bxc6 16. Bd4 {[#]} ({Much weaker is} 16. Rxc6 Nxf2 17. Rxf2 Qxe3 $17) 16... Bh3 $1 {[%csl Gh3][%cal Rg5g2][%mdl 512] Black is slightly better.} 17. Bf3 {[#]} Re6 $146 {[%mdl 128] Black attacks.} ({Predecessor:} 17... Bxd4 18. Qxd4 Re6 19. Rc2 Rg6 20. Bxe4 dxe4 21. f4 exf3 22. Rxf3 {0-1 (35) Renet,O (2494)-Conquest,S (2563) Clichy 2001}) 18. Kh1 $2 {[%mdl 8192] [#]} (18. Rc2 $15) 18... Rg6 $1 $19 {[%cal Rh3g2]} 19. g3 (19. gxh3 $2 {[#] is a self mate.} Qg1+ $1 {[%mdl 512]} 20. Rxg1 Nxf2#) 19... Bxf1 20. Bxe4 dxe4 21. Bxa7 Rxa7 (21... Bh3 $19 22. Bd4 Bg4) 22. Qxf1 (22. Rc5 $17 {keeps fighting.} Qe7 23. Qxf1) 22... Rd6 23. Nc5 Qg4 24. Qc4 Re7 {...Re5 is the strong threat.} 25. Qxa6 $2 (25. b4) 25... h5 26. Qa8+ Kh7 27. Qb8 Qf3+ 28. Kg1 Rf6 29. Rf1 {[#]} h4 $1 {[%mdl 512] Accuracy: White = 35%, Black = 80%.} 0-1

[Event "52nd Biel Festival 2019"]
[Site "Biel"]
[Date "2019.07.30"]
[Round "7.4"]
[White "Shankland, Sam"]
[Black "Leko, Peter"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "2713"]
[BlackElo "2674"]
[Annotator "TA"]
[PlyCount "148"]
[EventDate "2019.07.22"]
[EventType "tourn"]
[EventCountry "SUI"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,148,13,15,16,27,15,25,12,8,15,16,21,16,16,16,21,16,8,18,0,14,12,14,19,24,24,12,1,4,0,10,0,2,0,0,0,22,7,18,5,25,0,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-62,0,0,0,0,0,0,0,-416,-391,-512,-58,-167,-63,-65,-67,-81,0,-70,0,-531,-537,-508,-460,-533,-529,-519,-521,-468,-110,-351,-321,-1353,-1355,-1165,-1093,-836,-161,-535,-133,-524,-535,-397,-194,-289,-311,-241,-152,-575,-572,-541,-555,-518,-102,-92,-89,-80,-105,-106,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 $146 (3... Nf6 4. d3 Bc5 5. c3 d6 6. a4 a6 7. h3 Ba7 8. O-O h6 9. Re1 {1-0 (36) Nepomniachtchi,I (2773)-Grischuk,A (2772) Moscow 2019}) 4. O-O Nf6 5. d3 d6 6. c3 a6 7. a4 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3} Ba7 8. Re1 O-O 9. h3 {White has an edge.} h6 10. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1e3,Be3f5][%mdl 32]} Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Qc2 Qd7 14. Nf1 d5 15. Be3 Bxe3 16. Nxe3 Rd8 17. b5 Ne7 18. c4 d4 19. Nf5 Re8 20. N3h4 Ng6 21. g3 Kh7 22. Kh2 Nxh4 23. Nxh4 Nh5 24. Reb1 Ra8 25. Ra2 g6 26. c5 Ng7 27. Qc4 axb5 28. axb5 Rxa2 29. Qxa2 Rf6 30. Kg2 Ne6 31. Nf3 Rxf3 $1 32. Kxf3 $11 {[%mdl 4096] Endgame KQR-KQN} Ng5+ 33. Ke2 Qxh3 34. Qc2 h5 35. Kd2 h4 36. gxh4 $1 Nf3+ 37. Kc1 Ne1 $36 {[%mdl 2048] Black is pushing.} 38. Qc4 ({Better is} 38. Qa2 $11 Qxd3 39. b6 (39. Qxf7+ Kh6 $11) 39... cxb6 40. Rxb6 (40. Qxf7+ Kh6 $11) 40... Qxe4 41. Qxf7+ {[%mdl 64] Double Attack} Kh6 42. Qf8+ Kh5 43. Qh8+ Kg4 44. Qc8+ {[%mdl 64] Double Attack} Kxh4 45. Qh8+ Kg5 46. Qd8+ Kg4 47. Qc8+ Kh5 48. Qh8+ (48. Qh3+ Kg5 $11) 48... Kg4 49. Qc8+ {[%mdl 64] Double Attack} Kh4 50. Qh8+ Kg4 51. Qc8+ {[%mdl 64] Double Attack}) 38... Qf3 (38... Nxd3+ $6 39. Kc2 $14) (38... Kg7 $15 39. Kd2 Nf3+ {[%mdl 64] Double Attack} 40. Kc2 Qh2) 39. Rb3 Qxf2 40. b6 c6 41. Ra3 Kg7 (41... Qf1 $5 42. Kb2 $8 Kg7 $15) 42. Ra7 $2 {[%mdl 8192]} (42. Kb1 $11) 42... Qf1 $1 $19 (42... Qe2 43. Ra3 $15) 43. Kd2 Nf3+ $2 (43... Ng2 44. Qb3 Nf4) 44. Kc2 Qe2+ (44... Kh6 $1 $19 45. Kb2 Ne1) 45. Kc1 $15 Ne1 $1 {[%cal Re1d3][%mdl 1024] Black has compensation.} 46. Ra3 $1 Qf2 47. Ra7 Qf1 $2 {[%mdl 8192]} (47... Kh6 $1 $15 48. Kb1 Qe2) 48. Kd2 $19 Ng2 $1 49. Qb3 Nf4 {Strongly threatening ...Qe2+.} 50. Ra3 Qf2+ $1 51. Kc1 Qxh4 52. Kb2 Qe7 $2 (52... Qh3 $19 {...g5 is the strong threat.} 53. Kc2 Qg2+ 54. Kc1 g5) 53. Ra7 $2 (53. Ra5 $17) 53... g5 $1 54. Ka2 $2 (54. Qd1) 54... g4 55. Qd1 Qe6+ $1 56. Ka3 Qc8 $2 (56... g3 {aiming for ...g2.} 57. Kb2 g2) 57. Qe1 $2 (57. Qg1 {was the crucial defense.}) 57... Nxd3 $2 (57... Qf8 $19 {has better winning chances.} 58. Ka2 Qxc5) 58. Qh4 $2 {[%mdl 8192]} (58. Qg3 $17 {nothing else works.} Nf4 59. Qh4) 58... f6 59. Ra5 Nf4 (59... Kg6 $142 60. Qg3 Nf4) 60. Ra7 (60. Kb2 {might work better.}) 60... d3 {Hoping for ...d2.} 61. Kb2 Kg6 {And now ...d2 would win.} 62. Kc3 $2 {[#]} (62. Ra1 $17 {is more resistant.}) 62... d2 $1 {[%mdl 64] Decoy} 63. Kxd2 Qd7+ 64. Kc1 Ne2+ $2 (64... Nd3+ $19 65. Kc2 Nxc5) 65. Kc2 $17 {[#]} Nd4+ $1 66. Kb2 Nf3 67. Qf2 {[#]} Qd3 (67... f5 $1 $17 {[%cal Rf5e4]} 68. exf5+ Kxf5) 68. Rxb7 $11 {The position is equal.} Nd4 ({Weaker is} 68... Qxe4 69. Qc2 $18) 69. Rb8 ({Don't go for} 69. Qh2 $2 Qb5+ 70. Ka1 Qa6+ 71. Kb1 Qf1+ 72. Ka2 (72. Kb2 $2 Qb5+ {[%mdl 64] Double Attack} 73. Ka1 Qa6+ {[%mdl 64] Double Attack} 74. Kb2 Qxb7 $19) 72... Qa6+ 73. Kb1 Qxb7 $19) 69... Qb3+ 70. Kc1 Qc4+ 71. Kb1 Qd3+ {[%mdl 64] Double Attack} 72. Kb2 $1 Qb3+ 73. Kc1 Qc4+ 74. Kb1 Qd3+ {[%mdl 64] Double Attack. Accuracy: White = 44%, Black = 44%.} 1/2-1/2

