[Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.24"] [Round "4.1"] [White "Studer, Noel"] [Black "Anton Guijarro, David"] [Result "1-0"] [ECO "D87"] [WhiteElo "2580"] [BlackElo "2703"] [Annotator "TA"] [PlyCount "63"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O b6 {is the new trend.} 11. Rc1 {D87: Exchange Grünfeld: Classical Line: Variations without ...cxd4.} Bb7 12. Bb5 Na5 13. d5 {[#] The position is equal.} c4 $146 ({Predecessor:} 13... e6 14. c4 Qe7 15. Nf4 exd5 16. exd5 Rad8 17. Re1 Qf6 18. Qd2 Qf5 19. Qe2 Bc8 {1-0 (26) Knaak,R (2505)-Jansa,V (2495) Bratislava 1983}) 14. Nd4 a6 (14... Qd6) 15. Ba4 $1 b5 16. Bc2 Qd7 17. h4 (17. f4 e6 18. Qg4) 17... e6 18. dxe6 fxe6 19. Qg4 Rae8 20. e5 (20. f4) 20... Bxe5 21. h5 Bxd4 (21... Nc6 $16 {keeps fighting.}) 22. Bxd4 $18 {Bxg6! is the strong threat.} Nc6 {[#]} 23. Rcd1 $1 {[%CAl Bc1d1,Bd1d4, Bd4g4][%mdl 32] aiming for Bxg6!} ({Not} 23. hxg6 Nxd4 24. Rfd1 Nf3+ 25. Qxf3 ( 25. gxf3 Qc7 $17) 25... Qc7 $14) 23... Nxd4 24. Rxd4 Qg7 25. hxg6 $40 {[%mdl 128] White is out for blood.} hxg6 (25... h6 {was called for.} 26. Qh3 Bc8) 26. Bxg6 Re7 27. Re1 Bd5 $2 (27... Qf6 28. Bf7+ Kxf7) 28. Qg3 Rf6 29. Rg4 Qf8 30. Re5 Rg7 31. Rh5 {Threatening mate with Rgh4.} Qe7 32. Rh6 {Black did not feel at home in the position after the opening. Accuracy: White = 96%, Black = 29%.} (32. Qb8+ $142 Qf8 33. Bh7+ Kf7 34. Qc7+ Ke8 35. Rxg7 Qxg7 {[%mdl 64] Remove Defender} 36. Qxg7 Rf7 {[#]} 37. Bg6 $1 {[%mdl 576] Pin}) 1-0 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.24"] [Round "4.2"] [White "Adams, Michael"] [Black "Edouard, Romain"] [Result "1/2-1/2"] [ECO "C06"] [WhiteElo "2701"] [BlackElo "2649"] [Annotator "TA"] [PlyCount "80"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 24,80,35,12,41,37,47,0,0,0,7,0,0,0,0,0,0,0,0,0,4,3,11,14,16,9,8,0,0,0,0, -11,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. Nf3 Qb6 8. a3 cxd4 9. cxd4 f6 10. exf6 Nxf6 11. Nc3 Bd6 12. Bd3 O-O 13. O-O e5 {C06: French Tarrasch: 3...Nf6 4 e5 Nfd7 5 Bd3 main lines.} 14. dxe5 Nxe5 15. Be2 Nxf3+ $1 {The position is equal.} 16. Bxf3 d4 17. Ne4 Nxe4 18. Bxe4 Bf5 19. Bxf5 Rxf5 {[#]} 20. Qd3 $146 ({Predecessor:} 20. b4 Raf8 21. Ra2 Kh8 22. Rc2 Be5 23. Qd3 Qd6 24. h3 h6 25. Re2 Qd5 26. Re4 {0-1 (52) Smole,A (2155)-Sorg,B (2200) Austria 1999}) 20... Raf8 21. Bd2 Qc7 22. g3 Qf7 {[%CAl Rf5f2]} 23. f4 a5 24. Rac1 Qd5 25. Qc4 Qxc4 26. Rxc4 {[#]} g5 $1 {[%CAl Rg5f4][%mdl 512]} 27. b4 (27. g4 {is interesting.} Rb5 28. b4 Rd5 29. fxg5 Bxh2+ 30. Kg2) (27. fxg5 Rxf1+) 27... axb4 28. Bxb4 Bxb4 29. Rxb4 gxf4 30. Rxf4 Rxf4 31. gxf4 Rxf4 32. Rxb7 $11 {[%mdl 4096] Endgame KR-KR} Rf3 33. Rd7 Rxa3 34. Rxd4 Ra2 35. Rd7 Rb2 36. h3 h6 37. Kh1 Ra2 38. Kg1 Rb2 39. Kh1 Ra2 40. Kg1 Rb2 {Accuracy: White = 95%, Black = 95%.} 1/2-1/2 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.24"] [Round "4.3"] [White "Naiditsch, Arkadij"] [Black "Wojtaszek, Radoslaw"] [Result "0-1"] [ECO "B51"] [WhiteElo "2626"] [BlackElo "2719"] [Annotator "Shahid"] [PlyCount "82"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 cxd4 5. Qxd4 a6 6. Bxd7+ Bxd7 7. c4 { B51: Sicilian: Moscow Variation (3 Bb5+) without 3...Bd7.} e5 8. Qd3 b5 9. Nc3 {[%CAl Rc4b5] The position is equal.} bxc4 10. Qxc4 Be6 11. Qd3 h6 12. O-O Nf6 13. Rd1 Be7 14. Ne1 O-O 15. Nc2 Qd7 16. Ne3 Rfc8 17. Bd2 {[#]} Bd8 $146 ({ Predecessor:} 17... Qb7 18. b3 Rc5 19. f3 Rd8 20. Be1 d5 21. exd5 Rc7 22. Rac1 Bxd5 23. Nexd5 Nxd5 24. Nxd5 Rxd5 25. Qxd5 Qxd5 26. Rxd5 Rxc1 27. Rxe5 { 1/2-1/2 (33) Laine,J (2166)-Maliszewski,G (2250) ICCF email 2017}) 18. Ncd5 Qb7 19. Bc3 Nxd5 20. Nxd5 Rc6 21. h3 Rac8 22. Kh2 Bg5 ({Wojtaszek contemplated playing} 22... Rc5 23. Bb4 Rc2 24. Bxd6 Rxf2 25. Bxe5 Rcc2 26. Ne3) 23. f3 Rc5 24. Ne3 (24. Bb4 Rc2 (24... Rc4 25. Bxd6 Bxd5 26. Qxd5 Bf4+ 27. Kh1 Qxb2 { [%CAl Yb2f2,Yf2g3,Yg3h2]}) 25. Bc3 R8xc3 26. bxc3 Qb2 27. Rg1 Bxd5 28. Qxd5 Bf4+ 29. Kh1 Rxg2 30. Rxg2 Qxa1+ 31. Rg1 Qxc3) 24... Qb6 {White must now prevent ...Rxc3.} 25. Re1 Bf4+ 26. g3 ({Black was not sure how to proceed after } 26. Kh1) 26... Bxe3 27. Qxe3 (27. Rxe3 $4 Rxc3 28. bxc3 Qb2+ $19) 27... Qc6 28. a3 f6 29. Rad1 Rd8 (29... d5 30. exd5 Bxd5 31. f4) 30. Rd2 d5 31. exd5 Rcxd5 32. Rxd5 (32. Red1 Qc8 (32... Bc8 33. Rxd5 Rxd5 34. Rxd5 Qxd5 35. f4 $2 Bb7 $19)) 32... Qxd5 33. f4 {[%CAl Rf4e5]} Bc8 34. fxe5 (34. Qe4 Qd7 35. g4 Bb7 ) 34... Bb7 {[%csl Gb7][%CAl Rd5g2]} 35. Rg1 fxe5 36. g4 ({Better is} 36. Qe2 $15) 36... Rf8 $1 $40 {[%mdl 128] Black goes for the king.} 37. g5 ({Wrong is} 37. Qxe5 $2 Rf2+ 38. Kg3 Rg2+ 39. Kh4 Qxe5 $19) (37. Qe2 $17) 37... Rf3 $19 38. Qxe5 $2 (38. Qe2 $19 e4 39. Rg2) 38... Rf2+ $1 {Black mates.} ({Stronger than} 38... Qd7 39. Rg3 $11) 39. Kg3 {[#]} Rg2+ $1 40. Rxg2 Qxg2+ 41. Kh4 {[#]} Qf2+ $1 {Accuracy: White = 70%, Black = 100%.} (41... Qf2+ 42. Qg3 (42. Kh5 Bf3+ 43. Kg6 Qc2+ 44. Qf5 Bh5+) 42... hxg5+) 0-1 [Event "53rd Biel Classical 2020"] [Site "Biel"] [Date "2020.07.24"] [Round "4.4"] [White "Harikrishna, Pentala"] [Black "Keymer, Vincent"] [Result "1-0"] [ECO "D47"] [WhiteElo "2719"] [BlackElo "2558"] [Annotator "Shahid"] [PlyCount "73"] [EventDate "2020.07.21"] [EventType "tourn"] [EventCountry "SUI"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 17,73,-8,-17,-19,3,11,16,21,21,11,16,19,31,41,58,22,37,15,33,37,58,30, 59,67,81,88,87,114,106,102,105,99,112,100,107,76,92,65,73,71,184,200,291,244, 231,243,1086,1073,1261,1243,1282,818,833,796,762,723,884,689]} 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 {Harikrishna wanted to play something his opponent is not familiar with so he went with} 8. Bb3 (8. Bd3) 8... b4 9. Ne2 {[%CAl Bc3e2,Be2f4,Bf4e6][%mdl 32]} Be7 (9... Bb7) (9... Bd6) 10. O-O {D47: Semi-Slav: Meran System.} Bb7 11. Nf4 c5 12. Ng5 {[#] The position is equal.} O-O $146 ({Predecessor:} 12... Qb6 13. Re1 O-O 14. e4 cxd4 15. e5 Nd5 16. Nh5 g6 17. Ng3 f5 18. exf6 Rxf6 {1-0 (37) Annakov,B (2420) -Nevostrujev,V (2425) Moscow 1995}) 13. Ngxe6 fxe6 14. Nxe6 {[%mdl 64] [#] Double Attack} Qc8 15. Nxc5+ Kh8 (15... Bd5 16. Bxd5+ Nxd5 17. Qb3 Nxc5 18. Qxd5+ Qe6) 16. Nxb7 Qxb7 17. f3 a5 (17... Bd6 18. e4 Nxe4 19. fxe4 Rxf1+ 20. Qxf1 Qxe4) 18. e4 {[%mdl 1024] White has compensation.} Nb6 19. Qe2 $1 a4 20. Bc2 Rfc8 {[#]} 21. Bd3 $1 a3 22. b3 Qd7 23. Be3 Rc3 24. Rad1 Rd8 25. Kh1 Qe8 26. Bg1 Bf8 27. Qe1 Nbd7 28. Bb1 Nh5 $2 (28... Qh5 $16 {was worth a try.}) 29. e5 $18 (29. f4 $4 Ng3+ 30. hxg3 Qh5+ 31. Bh2 Nf6 32. Qf2 Ng4 33. Qg1 Rd6 $19) 29... Qe6 (29... g6 $142 30. f4 Nb6) 30. Qh4 Qh6 31. g4 (31. Qxd8 $4 {gets mated.} Ng3#) 31... Nf4 $2 (31... Nhf6 32. Qxh6 gxh6 33. exf6 Nxf6) 32. Qxd8 { White is clearly winning.} Qh3 33. Rf2 Rxf3 34. Qa8 Rxf2 35. Bxf2 Qxg4 36. Rg1 Qh5 37. Re1 {Accuracy: White = 78%, Black = 68%.} 1-0