[Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.22"] [Round "2.22"] [White "Buckels, Valentin"] [Black "Yilmaz, M."] [Result "0-1"] [ECO "D78"] [WhiteElo "2459"] [BlackElo "2607"] [Annotator "Yip"] [PlyCount "58"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 g6 2. c4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 c6 {Delchev's main recommendation is the ..Nxd5 fluid line} 6. O-O d5 7. Nbd2 (7. b3 Bf5 8. Bb2 Qb6 9. Nbd2 (9. Ne5 Rd8) 9... Rd8 10. Nh4 Be6 11. Qc2 Na6 12. Rac1 Rac8 13. Qb1 Ne4 {[Delchev]}) 7... Bf5 8. b3 a5 { [%CAl Ba7a5,Ba5a4][%mdl 32] Black for now forgoes ..Qb6, intending to push .. a4 to generate queenside counterplay by creating targets} 9. Bb2 a4 (9... Ne4 10. Nh4 Nxd2 11. Qxd2 Be6 12. Nf3 h6 13. cxd5 Bxd5 14. Qd3 a4 15. e4 Be6 16. b4 a3 17. Bxa3 Qb6 18. b5 Qxb5 19. Qxb5 cxb5 20. Bxe7 {1/2-1/2 (42) Rakhmanov,A (2645)-Kamsky,G (2677) Moscow 2019}) 10. Nh4 {Harassing the Bf5 to contest the long diagonal, e4 and free Bg2} Be6 11. e3 Nbd7 (11... b5 {/\xc4}) ( 11... Na6 12. Bc3 Nc7 13. h3 Nce8 14. Bb4 axb3 15. axb3 Nd6 16. Qc2 Re8 17. Kh2 Nfe4 18. Nxe4 Nxe4 19. cxd5 cxd5 20. Nf3 Rc8 21. Qb2 Qb6 22. Ba5 Qb5 23. Rfb1 h5 24. Bf1 Qd7 {0-1 (63) Wen Yang (2611)-Nepomniachtchi,I (2719) Moscow RUS 2016}) 12. f4 {/\xe5 and threatening f5} (12. Qc2) 12... Bg4 ({ Predecessor:} 12... Qa5 13. f5 Bxf5 14. Nxf5 gxf5 15. Rxf5 a3 16. Bc1 Qc3 17. Rb1 Qxe3+ {0-1 (29) Vastrukhin,O (2413)-Meskovs,N (2557) chess.com INT 2019} 18. Kh1 Qxd4 19. Qf1 Nc5 20. cxd5 cxd5 21. b4 Nd3 22. Nb3 Qc4 23. Na5 Qc2 24. Bg5 Ng4 25. Rb3 Ndf2+ 26. Kg1 Qxf5 27. Bxe7 Bd4 28. Rf3 Nh3+ 29. Kh1 Ngf2+ { 0-1 (29) Vastrukhin,O (2413)-Meskovs,N (2557) chess.com INT 2019}) 13. Qc2 (13. Qc1) 13... e6 {Creating a light square pawn wall to kill Bg2 and secure the kingside} 14. Ndf3 (14. e4) (14. h3) 14... Ne4 15. Ne5 Nxe5 16. fxe5 { Hoping to make some use of the central pawn wedge and f-file} (16. dxe5 { keeps the balance.} g5 17. fxg5) 16... f5 {Stonewall style} 17. exf6 Nxf6 18. Ba3 (18. bxa4 Qc7 19. Rac1) 18... Rf7 {/\xNh4 remains out of play} 19. Bb4 Bh6 {/\xe3 aquiring a new target, the backward e-pawn} ({Better is} 19... axb3 20. axb3 Rxa1 21. Rxa1 Bh6) 20. Bd2 {} (20. Rae1) 20... Qe7 (20... Be2 {White must now prevent ...axb3.} 21. Rfe1 Bh5) 21. bxa4 (21. Rae1) 21... Be2 {Regains the pawn} 22. Rfe1 Bxc4 {White remains with a horrible structure} 23. Nf3 { With the idea Ne5.} Nd7 (23... Ng4 $1 {And now ...Raf8 would win.} 24. Bh3 Rxf3 25. Bxg4 Rf7) 24. e4 Bg7 $36 {[%mdl 2048] aiming for ...Rxf3! Black is more active.} 25. Bc3 ({ White should play} 25. Kh1) 25... dxe4 26. Nd2 Bd3 27. Qb3 {} (27. Qd1) 27... Nc5 {[%mdl 512] Black is clearly winning.} 28. dxc5 Qxc5+ { [%mdl 64] Double Attack} 29. Kh1 {Hoping for Bxg7.} Qxc3 {[%mdl 64] Double Attack. Accuracy: White = 36% (9/1/20), Black = 53% (15/0/21).} ({Weaker is} 29... Bxc3 30. Rac1) 0-1 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.22"] [Round "2.17"] [White "Cramling, P."] [Black "Paravyan, D."] [Result "0-1"] [ECO "D82"] [WhiteElo "2470"] [BlackElo "2629"] [Annotator "Yip"] [PlyCount "75"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 c5 6. dxc5 Qa5 7. Rc1 Nbd7 {Is rare but has GM support} (7... dxc4 {Is Delchev's approach} 8. Bxc4 O-O 9. Nge2 (9. Nf3) 9... Qxc5 10. Qb3 Qa5 11. O-O Nc6 12. Rfd1 Nh5 13. a3 Nxf4 14. Nxf4 e6 15. Be2 Rd8 16. Nd3 Bd7 17. Ne4 {[Delchev]}) 8. Qa4 ({Predecessor:} 8. cxd5 $16 O-O (8... Nxc5 9. d6) 9. Bc4 (9. f3 Nxc5 10. a3 Nxd5 11. Qxd5 Be6 12. Qd1 Rfd8 13. Qc2 Nb3 14. e4 Nxc1 15. Qxc1 Rac8 16. Nge2 Bc4 17. Bd2 Qb6 18. Nf4 Bxf1 19. Rxf1 Bd4 20. Nfe2 Bc5 {1/2-1/2 (43) Zhao,Y (2457)-Paravyan,D (2605) Qingdao CHN 2019}) 9... Nxc5 10. Nge2 Bd7 11. a3 Na4 (11... Ba4 12. b4 Bxd1 13. bxa5 Bb3 14. Bxb3 Nxb3 15. Rb1 Nxa5 16. Be5 b6 17. a4 Nc4 18. Bd4 e5 19. dxe6 fxe6 20. Bxf6 Rxf6 21. Ne4 Rf7 {1/2-1/2 (21) Batchuluun,T (2530)-Sychev,K (2563) Moscow RUS 2019}) 12. b4 Nxc3 13. Rxc3 Qb6 14. Be5 Rac8 15. O-O { 1/2-1/2 (39) Riazantsev,A (2645)-Sychev,K (2579) Skolkovo 2019} Ne4 16. Bxg7 Nxc3 17. Bxc3 Rxc4 18. Bd4 Qa6 19. Nf4 Qxa3 20. d6 Rfc8 {1/2-1/2 (39) Riazantsev,A (2645)-Sychev,K (2579) Skolkovo RUS 2019}) 8... Qxc5 9. b4 Qc6 { The position is equal.} 10. Qxc6 bxc6 11. cxd5 cxd5 (11... Nxd5 {is superior.} 12. Nxd5 cxd5) 12. Bb5 { And now Bc6 would win.} Bb7 {aiming for ...d4!} 13. Nf3 ({Better is} 13. Na4 d4 14. Nf3) 13... O-O 14. O-O Rfc8 15. Ne5 Nb6 16. Na4 (16. Be2) 16... Ne4 (16... Nxa4 17. Bxa4 Nh5) 17. Nc5 g5 18. Bg3 Nxg3 19. hxg3 Bxe5 20. Nxb7 Bc3 21. a3 Bb2 22. Rb1 Rc2 23. Na5 (23. a4 { remains equal.}) 23... Bxa3 24. Nc6 (24. Rb3 Bb2 25. Bd3) 24... a6 ({ Black should play} 24... e6 25. Nd4 Ra2) 25. Nd4 (25. Nxe7+ {was the only way to keep the balance.} Kf8 26. Bd3) 25... Rb2 {[%mdl 2048] Keeping White busy.} 26. Bc6 Rb8 27. Ra1 (27. Rxb2 Bxb2 28. Nb3) 27... Bxb4 28. Rxa6 Bc5 29. Nf5 {} (29. Nf3) 29... e6 30. Rc1 Nc4 ({Less strong is} 30... exf5 31. Rxc5 Rc8 32. Raa5) 31. Ra8 (31. Nd4) 31... Rxa8 32. Bxa8 Rb8 33. Bc6 Ba3 34. Rc3 (34. Rd1 exf5 35. Rxd5) 34... Bb4 {Black is clearly winning.} 35. Rc2 {If only White now had time for Nd4....} exf5 36. Bxd5 Ne5 37. f3 Bd6 38. Kf2 {Accuracy: White = 34% (9/8/29), Black = 55% (15/10/30).} 0-1 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.26"] [Round "6.18"] [White "Studer, N."] [Black "Chigaev, M."] [Result "1-0"] [ECO "D85"] [WhiteElo "2546"] [BlackElo "2616"] [Annotator "Yip"] [PlyCount "77"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ {Is directed against the .. c5,Nc6 plan} Nd7 {Might seem like a concesstion but is a good way to get counterplay} (7... Qd7 {Is also good}) 8. Nf3 O-O {White is at a major branching point} 9. Be2 (9. h4 c5 10. h5 cxd4 11. hxg6 hxg6 12. cxd4 Nc5 13. Qc2 Ne6 14. Bb2 Nxd4 15. Nxd4 Bxd4 16. Rd1 Qa5+ 17. Rd2 Rd8 18. Bc4 Bxb2 19. Qxb2 Qxd2+ 20. Qxd2 Rxd2 21. Kxd2 Bd7 22. Rb1 Bc6 23. Ke3 Rc8 {1-0 (62) Jumabayev,R (2589)-Sychev,K (2389) St Petersburg 2011}) (9. Bg5 c5 10. Rd1 cxd4 11. cxd4 Nf6 12. d5 Bd7 13. Qb4 Qb6 14. Qxb6 axb6 15. e5 Ng4 16. e6 fxe6 17. Bc4 {0-1 (24) Yu,Y (2763)-Vachier Lagrave,M (2774) Khanty-Mansiysk 2019}) 9... Nb6 {An early deviation from Delchev theory and can also be considered big theory} (9... c5 {Is the Delchev approach and can be considered main theory} 10. O-O Nb6 {Is a way to play for a win which has received recent tests} (10... cxd4 {The following must be memorized} 11. cxd4 Nc5 12. dxc5 Bxa1 13. e5 Qc7 14. Qf4 Bc3 15. Qe3 (15. Bc4 Bf5 16. Qh6 g5 17. Qxg5+ Bg6 18. Bb3 Kh8 19. Qe3 Qa5 20. e6 f6 21. Nh4 Rg8 22. Nxg6+ Rxg6 23. Bc2 Rg7 24. Rd1 Bb4 25. Qf3 Qxa2 26. Qf5 Rc8 27. Be3 b6 28. Rd4 Qa1+ 29. Bb1 Qc3 30. g3 Qxc5 31. Rd5 Qc3 32. Rd4 Qc5 33. Rd5 Qc3 34. Rd4 Qc5 35. Rd5 Qc4 36. Rd4 Qc5 37. Rd5 {1/2-1/2 (37) Nataf,I (2465)-Iotov,V (2543) ICCF 2014}) 15... Qa5 16. Qh6 f6 17. Bc4+ e6 18. h4 Qxc5 19. h5 Qxc4 20. hxg6 Qc7 21. Ba3 Qg7 22. gxh7+ Kh8 23. Qxg7+ Kxg7 24. Rc1 (24. Bxf8+ Kxh7 25. Rc1 Bxe5 26. Nxe5 fxe5 27. Rc7+ Kg6 28. Bg7 e4 29. Bd4 b6 30. Rg7+ Kf5 31. g4+ Kf4 32. Kg2 Ba6 33. Be3+ Ke5 34. Kg3 Be2 35. Rd7 Kf6 36. g5+ Kg6 37. Kf4 Rf8+ 38. Kxe4 Rf7 39. Rxf7 Kxf7 40. Ke5 Bc4 41. a3 Kg7 42. Kd6 {1/2-1/2 (42) Fischer,W (2423)-Löffler,W (2394) ICCF 2017}) 24... Rf7 25. Rxc3 Kxh7 26. exf6 Rxf6 27. Ne5 b5 28. Rc7+ Kg8 29. g4 Ba6 30. f3 Rh6 31. Nc6 Rh7 32. Ne7+ Kf7 33. g5 Rg8 34. Nxg8+ Kxg8 35. Be7 Kf7 36. Rxa7 Kg6 37. f4 Kf5 38. Kg2 e5 39. fxe5 b4 40. e6 {1/2-1/2 (40) Grbac,B (2375)-Tritt,M (2380) ICCF 2019}) 11. Qa3 (11. Qd1 Bg4 12. Be3 Bxf3 13. Bxf3 Nc4 14. e5 Nxe3 15. fxe3 Qa5 16. Qb3 e6 17. Rab1 Bh6 18. Rfe1 cxd4 19. cxd4 Rac8 20. Qxb7 Rc3 21. d5 Rxe3 22. Rxe3 Bxe3+ 23. Kh1 Qxa2 24. Rd1 Bf4 25. dxe6 Qxe6 26. Qxa7 Bxe5 27. Bd5 Qf6 28. Qe3 h5 {0-1 (57) Krasenkow,M (2671)-Gledura,B (2613) Stockholm SWE 2018}) 11... cxd4 12. cxd4 Bg4 13. Rd1 (13. Bg5 Bxf3 14. Bxf3 Qxd4 15. Rad1 Qe5 16. Bxe7 Rfe8 17. Bd6 Qe6 18. e5 Bxe5 19. Bxe5 Qxe5 20. Bxb7 Rab8 21. Bf3 Qe7 22. Qb3 Rbc8 23. Rd3 h5 24. h3 Rc5 25. Bd5 Nxd5 26. Rxd5 Rxd5 27. Qxd5 Qb4 28. Qb3 Qd2 29. g3 Rd8 30. h4 a5 31. Qc4 Rb8 32. a3 Rd8 33. Qc5 Rd5 34. Qe7 Rf5 35. Qe4 Kg7 36. a4 Kh7 37. Kg2 Qb2 38. Kg1 Qb6 39. Kg2 Qc5 40. Kg1 Kg7 41. Qe2 Qd4 42. Rd1 Rxf2 43. Rxd4 Rxe2 44. Rd5 Ra2 45. Rxa5 Kf6 46. Kf1 Ke6 47. Kg1 Kf6 {1/2-1/2 (47) Lenderman,A (2637)-Jones,G (2681) Astana KAZ 2019}) 13... Bxf3 14. Bxf3 (14. gxf3 e6 15. Be3 Qh4 16. Kg2 f5 17. Qd6 e5 18. d5 fxe4 19. Qe6+ Kh8 20. Qg4 Qxg4+ 21. fxg4 Rfd8 22. d6 Bf8 23. Bg5 Rxd6 24. Rxd6 Bxd6 25. Bf6+ Kg8 26. Rd1 Bc5 27. Bxe5 Re8 28. Bf4 Kg7 {1/2-1/2 (28) Biedermann,T (2451) -Fass,R (2435) ICCF 2018}) 14... Bxd4 15. e5 Nc4 16. Qb4 Rc8 17. Bh6 Bxa1 18. Rxd8 Rfxd8 19. e6 Ne5 20. exf7+ Nxf7 21. Be3 Bd4 22. Qxe7 Re8 23. Qa3 b6 24. Bd5 Rc5 25. Bxf7+ Kxf7 26. Qxa7+ Re7 27. Qa6 b5 28. h3 Bxe3 29. fxe3 Rce5 30. Qb6 R7e6 31. Qb7+ Re7 32. Qb6 R7e6 33. Qb7+ Re7 34. Qb6 {1/2-1/2 (34) Carlsen, M (2882)-Nepomniachtchi,I (2774) Saint Louis USA 2019}) 10. Qb4 (10. Qb5 { looks sharper.} Bd7 11. Qd3 c5 12. O-O Rc8 13. Be3) (10. Qa5 Bg4 11. O-O Qc8 12. h3 Bxf3 13. Bxf3 e5 14. d5 c6 15. Rb1 Re8 16. d6 Bf8 17. Bg4 Qd8 18. d7 Nxd7 19. Qxd8 Raxd8 20. Rxb7 Nc5 21. Rc7 Nxe4 22. Rxc6 h5 23. Bf3 Nd2 24. Re1 Nxf3+ 25. gxf3 Rc8 26. Rxc8 Rxc8 27. Rxe5 Bg7 28. Ra5 Bxc3 29. Ra6 Bd4 30. Be3 Bxe3 31. fxe3 {1/2-1/2 (31) Maghsoodloo,P (2674)-Paravyan,D (2629) Caleta ENG 2020}) (10. Qa3 Qd6 11. O-O Be6 12. Re1 Qxa3 13. Bxa3 Rfe8 14. Nd2 c6 15. Nb3 Bxb3 16. axb3 e5 17. dxe5 Bxe5 18. Rac1 Bf4 19. Rcd1 Rxe4 20. Bf3 Rxe1+ 21. Rxe1 Bh6 22. Rd1 Bf8 23. Bc1 Bg7 24. c4 a5 25. c5 Nd5 26. Bxd5 cxd5 27. Rxd5 a4 28. bxa4 Rxa4 29. Rd8+ Bf8 30. Bb2 Rb4 31. Rd2 f5 32. g3 Bxc5 {0-1 (63) Nihal,S (2610)-Chigaev,M (2644) Douglas ENG 2019}) 10... Qd6 11. O-O {White is slightly better.} Qxb4 (11... Bd7 12. Be3 Qxb4 13. cxb4 Bc6 14. Nd2 f5 15. f3 Rfd8 16. b5 Be8 17. Nb3 Bf7 18. Rac1 fxe4 19. fxe4 Bxb3 20. axb3 Bxd4 21. Bxd4 Rxd4 22. Rxc7 Rxe4 23. Bf3 Re3 24. b4 Rf8 25. Rxb7 Rf4 26. Rb1 Nc4 27. Rxa7 Nd2 28. Rb2 Nxf3+ 29. gxf3 Rexf3 30. Kg2 Rf8 31. Re2 Rb3 32. Rexe7 Rb2+ 33. Kg3 Rb3+ 34. Kg2 Rb2+ 35. Kg3 Rb3+ 36. Kg2 {1/2-1/2 (36) Yu Yangyi (2763)-Wei Yi (2721) Khanty-Mansiysk RUS 2019}) 12. cxb4 Bg4 (12... Bd7 13. Bg5 h6 14. Bd2 Bc6 15. Bd3 Rfd8 16. b5 Be8 17. Rad1 c5 18. bxc6 Bxc6 19. Bc3 Rac8 20. Rc1 e6 21. Rfe1 Be8 22. Ba1 Na4 23. Bf1 b5 24. Ne5 b4 25. Ba6 Rxc1 26. Rxc1 Nc3 27. a3 Nxe4 28. axb4 Nd6 29. Rc5 Rb8 30. f3 Rxb4 31. Bc3 Rb1+ 32. Kf2 Bb5 33. Nc4 Bxc4 34. Bxc4 Rc1 35. Bb3 Rxc3 {0-1 (35) Milikow,Y (2236)-Narayanan,S (2626) Sitges ESP 2019}) 13. Be3 Rfd8 14. Rfd1 c6 (14... f5 {might be stronger.} 15. e5 c6) 15. a4 ({Predecessor:} 15. Rac1 Rd7 16. b5 Rad8 17. bxc6 bxc6 18. e5 Nd5 19. h3 Nxe3 20. fxe3 Be6 21. Bc4 Bd5 22. Bb3 Rb8 23. Nd2 Bh6 24. Kf2 e6 { 0-1 (110) Sakaev,K (2580)-Paravyan,D (2634) Yaroslavl RUS 2018}) 15... a5 16. b5 c5 17. dxc5 Rxd1+ 18. Rxd1 Nxa4 19. Rc1 Nc3 20. Bc4 Be6 (20... Nxe4 { Threatens to win with ...a4.} 21. h3 Bc8) 21. Bxe6 fxe6 22. Kf1 Nxb5 (22... a4 23. c6 bxc6) 23. Rb1 Na7 (23... Nc3 24. Rxb7 Nxe4) 24. Rxb7 $14 a4 {Strongly threatening ...Nc6.} 25. Bc1 ({Don't blunder} 25. Rxe7 a3) 25... Nc6 {Hoping for ...a3.} 26. Ba3 (26. Rb6) 26... Na5 (26... h6) 27. Rb4 Nc6 28. Rb6 Na5 {} (28... Nd8) 29. Rb4 (29. c6 $18 {[%CAl Rc6c7] is the precise move to win.} Rc8 30. c7) 29... Nc6 30. Rb6 Na5 {} (30... Nd8 {keeps fighting.}) 31. c6 {[%CAl Rc6c7] c7 is the strong threat.} Rc8 32. Rb4 (32. c7 {And now Rb8 would win.} Rxc7 33. Rb8+ Kf7 34. Ng5+ Kf6 35. Nxh7+ Kf7 36. Ng5+ Kf6 37. f4) 32... Nxc6 33. Rxa4 h6 34. Rc4 Kf7 35. Ne1 Ra8 36. Bc1 Nd4 {} (36... Ne5 37. Rc2 g5) 37. Bxh6 {[%mdl 512]} Nb3 (37... Bh8 38. Be3 e5) (37... Bxh6 38. Rxd4) 38. Be3 Ra2 (38... e5 {might work better.} 39. Nc2 Rh8) 39. Nf3 { Accuracy: White = 68% (17/7/29), Black = 56% (11/10/30).} 1-0 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.22"] [Round "2.55"] [White "Salimova, Nurgyul"] [Black "Sasikiran, K."] [Result "0-1"] [ECO "D85"] [WhiteElo "2372"] [BlackElo "2648"] [Annotator "Yip"] [PlyCount "170"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ Nd7 8. Nf3 O-O 9. Be2 c5 10. O-O a6 {Is not mentioned by Delchev but seem fine. However it is not big fashion} (10... Nb6 {Is a try for more} 11. Qa3 cxd4 12. cxd4 Bg4 13. Rd1 Bxf3 14. Bxf3 Bxd4 15. e5 Nc4 16. Qb4 Rc8 17. Bh6 Bxa1 18. Rxd8 Rfxd8 {1/2-1/2 (34) Carlsen,M (2882)-Nepomniachtchi,I (2774) Saint Louis 2019}) (10... cxd4 { Is a long drawing line}) 11. Qa3 (11. Qb3) 11... Qc7 (11... b6 { was preferrable.}) 12. e5 {White is slightly better.} (12. Bg5 e6 13. e5 Re8 14. Nd2 Bf8 15. Qc1 b5 16. Ne4 Bb7 17. Bf3 Rac8 18. Qf4 Bxe4 19. Bxe4 Nb6 20. Rad1 cxd4 21. cxd4 Be7 22. h4 Nd5 23. Bxd5 exd5 24. Rd3 Qd7 25. Rf3 Qe6 26. h5 b4 27. Re1 Rc2 28. Bxe7 Qxe7 29. Qh6 Rc6 30. hxg6 fxg6 31. g3 a5 32. Kg2 a4 33. Rf6 Rec8 {1-0 (58) Hakobyan,A (2561)-Khanin,S (2507) New Delhi IND 2019}) (12. Re1 e6 13. Bg5 b6 14. e5 Bb7 15. Be7 Rfe8 16. Bd6 Qc6 17. Bd3 Bh6 18. Rab1 cxd4 19. cxd4 b5 20. Be4 Qc8 21. Qd3 Nb6 22. Bxb7 Qxb7 23. Re4 Nc4 24. Bc5 Qd5 25. Rh4 Bg7 26. Rxh7 Bxe5 27. Rh4 Bg7 28. Qe4 Rad8 29. Qxd5 exd5 30. Kf1 Re6 31. Rg4 Rde8 {0-1 (57) Kavutskiy,K (2409)-Zubov,A (2611) Benasque ESP 2018}) 12... b6 (12... Nb6 13. Qa5 Bf5 14. dxc5 Nd5 15. Qxc7 Nxc7 16. Nd4 Be4 17. f3 Bd5 18. f4 f6 19. exf6 Bxf6 20. Be3 Nb5 21. Rac1 Rfd8 22. a4 Na3 23. Bf2 Nc4 24. c6 bxc6 25. Nxc6 Rdc8 26. Nb4 Be4 27. Bg4 Rc7 28. Rfe1 Bb7 29. Nd3 Bc8 30. Bf3 Bb7 31. Bxb7 Rxb7 32. Nc5 Rb2 33. Bd4 Rd8 34. Rcd1 a5 35. Bxf6 Rxd1 36. Rxd1 exf6 37. Rd8+ Kf7 38. g4 Ne3 39. h3 Rg2+ 40. Kh1 Rg3 41. Rd7+ Kg8 42. Kh2 Nf1+ 43. Kh1 Ne3 44. Kh2 Nf1+ 45. Kh1 {1/2-1/2 (45) Karpov,A (2624)-Svidler,P (2755) Sochi RUS 2017}) 13. Bg5 Re8 14. Qb3 (14. e6 fxe6 15. Bc4) ({ Predecessor:} 14. h4 Bb7 15. h5 b5 16. Rac1 Rac8 17. Qb2 f6 {0-1 (48) Riazantsev,A (2646)-Nepomniachtchi,I (2705) Berlin 2015}) 14... e6 15. a4 Bb7 16. Rfc1 (16. Rfb1) 16... Rab8 (16... b5 {remains equal.}) 17. Qb2 (17. Rab1) 17... f6 18. exf6 Nxf6 19. Re1 (19. Ne5) 19... Nd5 (19... Rf8) 20. Qd2 Rbc8 21. Rac1 Qd6 (21... cxd4 22. cxd4 Qd7) 22. c4 (22. dxc5 Qxc5 23. c4) 22... Nb4 {[%CAl Rc5d4]} 23. dxc5 Qxd2 24. Nxd2 bxc5 25. Nb3 (25. Be3 {keeps the balance.}) 25... Bb2 ({Black should try} 25... Be4 26. Bg4 Bf5 27. Bxf5 gxf5) 26. Rcd1 {Hoping for Bg4.} Be4 27. Rd6 Be5 28. Rd7 ({Better is} 28. Rb6) 28... Nc2 (28... Bc6 {keeps the upper hand.} 29. Ra7 Bxa4) 29. Bf3 (29. Bd3 Bxh2+ 30. Kxh2 Bxd3 31. Re5 Bxc4 32. Nxc5) 29... Bxf3 (29... Nxe1 30. Bxe4 Rb8 31. Nxc5 Rb4) 30. Rxe5 $18 Bc6 31. Rd6 Bxa4 (31... Nd4 {keeps fighting.}) 32. Nxc5 {[%mdl 64] Double Attack} Na3 33. Rdxe6 ({And not} 33. Nxa4 Nxc4 34. Nb6 Rb8) (33. Rd4 Nc2 34. Rd3) 33... Nxc4 {[%mdl 128] Black has some attack.} 34. Rxe8+ Bxe8 35. Rd5 (35. Re7 Rxc5 36. Rxe8+ Kf7 37. Re7+ Kf8 38. Re4 Rxg5 39. Rxc4) 35... a5 {[%CAl Ba6a5,Ba5a4,Ba4a3,Ba3a2][%mdl 32]} 36. Ne4 a4 37. Rd8 (37. Nd6 Nxd6 38. Rxd6) 37... Rxd8 38. Bxd8 {[%mdl 4096] Endgame KBN-KBN} Bc6 39. Nc5 Kf7 40. Bg5 a3 {...Ba4! is the strong threat.} 41. Bc1 ( 41. Nb3) 41... a2 42. Nb3 Ke6 43. Kf1 Ba4 44. Na1 Bb5 45. Ke1 Kd5 ( 45... Ne5 46. Kd2 Nd3) 46. Bh6 Ba4 47. Bg7 Nd6 48. f3 Nf5 49. Bh8 Kc4 50. Ke2 Nh4 51. g3 Nf5 52. Bf6 Kd5 53. Bh8 Nd6 54. Bg7 Nc4 55. Bh8 (55. h3 { was necessary.}) 55... Ne5 56. Bg7 Kd6 57. f4 (57. h3) 57... Bb5+ 58. Kf2 Ng4+ 59. Kg2 Ba4 60. h3 Ne3+ 61. Kf3 Nf5 62. Be5+ (62. Bh8 {is a better defense.}) 62... Kd5 63. g4 {} Bd1+ 64. Kf2 Nd6 65. Ke1 Ba4 66. Ke2 Nc4 67. Bc7 Ke4 {} 68. Kf2 (68. f5 {[%mdl 512]}) 68... Ne3 69. Ba5 Nd5 70. f5 (70. Kg3) 70... gxf5 71. gxf5 Kxf5 72. Kg3 Bd1 (72... Ke4 73. Kf2 Kd3) 73. Bd2 Ne7 (73... Ke4 74. h4 h5) 74. Bb4 Nd5 75. Bd2 Nf6 76. Bc1 Ne4+ 77. Kg2 Ke5 78. Kf1 (78. Bb2+ Kd5 79. Kf1) 78... Kd4 79. Ke1 Ba4 80. Ke2 Bb5+ (80... Kc3 81. h4 Bb5+ 82. Ke3 Ng3) 81. Ke1 (81. Kf3) 81... Kd3 {Black is clearly winning.} 82. Bh6 Ba4 83. h4 Nc5 84. Bg7 Nb3 85. Nxb3 Bxb3 { Accuracy: White = 46% (25/25/74), Black = 61% (42/17/75).} 0-1 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.21"] [Round "1.11"] [White "Ioannidis, Ev"] [Black "Cheparinov, I."] [Result "0-1"] [ECO "D85"] [WhiteElo "2373"] [BlackElo "2686"] [Annotator "Yip"] [PlyCount "36"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4+ {Is a fashionable way to avoid a massive theory debate} Nd7 (7... c6 8. Nf3 O-O 9. Qa3 Nd7 10. Be2 c5 11. O-O b6 12. Rd1 Bb7 13. e5 Qc7 14. Qb3 e6 15. Be3 Bd5 16. Qb2 {1/2-1/2 (16) Antic,D (2442)-Damljanovic,B (2529) Belgrade SRB 2017}) 8. Nf3 O-O {White is at a major branching point} 9. Qa3 (9. Bg5 c5 10. Rd1 cxd4 11. cxd4 Nf6 12. d5 Bd7 13. Qb4 Qb6 14. Qxb6 axb6 15. e5 Ng4 16. e6 fxe6 17. Bc4 {0-1 (24) Yu,Y (2763)-Vachier Lagrave,M (2774) Khanty-Mansiysk 2019}) (9. Be3) (9. Be2) 9... c5 10. Be2 {Is a safer place for the bishop} (10. Bd3 {Is the main Delchev line } b6 11. Rb1 Ne5 {Exploits the floating Bd3} 12. Nxe5 Bxe5 13. Bh6 { [Delchev]}) 10... b6 (10... cxd4 11. cxd4 Nb6 12. Bg5 Re8 13. O-O Bg4 14. Rad1 Qd6 15. Qe3 Rac8 16. h3 Be6 17. Bf4 Qb4 18. d5 Bd7 19. Be5 Bxe5 20. Nxe5 Ba4 21. Rd4 Qb2 22. Nf3 Kg7 23. e5 Rc3 24. Bd3 Bc2 25. Rh4 h5 26. Rxh5 gxh5 27. Qg5+ Kf8 28. Qh6+ {1-0 (28) Gumularz,S (2501)-Nasuta,G (2533) Katowice POL 2019 }) 11. e5 (11. O-O Bb7 (11... e5 {Going for a closed dark square blockade type position} 12. d5 Nf6 13. Bg5 Qc7 14. Bxf6 Bxf6 15. Ba6 Bd7 16. c4 Rad8 17. Rad1 Bg4 18. h3 Bxf3 19. Qxf3 Be7 20. Rde1 Bd6 21. Qf6 Rde8 22. a4 Qe7 23. Qxe7 Rxe7 24. Rb1 f5 25. Rfe1 Ref7 26. f3 f4 {1-0 (52) Degtiarev,E (2438) -Istratescu,A (2630) Switzerland SUI 2015}) 12. e5 Qc7 13. Be3 {Is harmless for Black as Qa3 is passive} a6 14. Qb2 Rfc8 15. Rfc1 Bd5 16. a4 cxd4 17. cxd4 Qb7 {/\/^h1-a8,c<-> give Black active counterplay} 18. Ne1 e6 19. f3 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Qxc8 22. Kf2 Bf8 23. Nd3 Bc4 24. Qc2 b5 25. axb5 axb5 26. Nb2 Nb6 27. d5 Bc5 28. Nxc4 Nxd5 29. Kg3 bxc4 30. Bxc5 Qxc5 31. Qxc4 Qg1 32. f4 Ne3 33. Qe4 Qe1+ 34. Kf3 Nf5 35. Qd3 h5 36. Qd1 Qh4 37. g3 Qxh2 38. Qd8+ Kh7 { 0-1 (38) Najer,E (2633)-Inarkiev,E (2680) Yekaterinburg 2013}) 11... Bb7 ( {Predecessor:} 11... e6 12. h4 f6 13. h5 Bb7 14. hxg6 hxg6 15. Qb3 Bd5 16. Qc2 f5 17. Qd3 Qc7 {1/2-1/2 (41) Galperin,P (2469)-Lin,Y (2425) Corum 2019}) 12. h4 {Trying the exploit the absence of Nf6 with a direct attack} b5 {Giving a pawn to get some immediate activity} (12... h6) 13. Bxb5 (13. h5) 13... Rb8 {White must now prevent ...Bxf3.} 14. Qa4 {Black has a forced sequence to hit d4} (14. Rb1) 14... Nb6 {Clears the d<-> with tempo} 15. Qd1 Bxf3 {[%mdl 64] /\xd4 removes a key defender} 16. Qxf3 cxd4 17. c4 (17. h5 Qd5 18. Qxd5 Nxd5) (17. cxd4 Qxd4 18. Rb1 Nc4 (18... Qxe5+ 19. Be2 Qa5+ 20. Bd2 Qxa2 21. Qb3 Qxb3 22. Rxb3) 19. O-O a6 20. Be3 Nxe3 21. fxe3 Qxh4 22. Be2 Bxe5) 17... Qc7 ({Don't take} 17... Bxe5 18. Bh6) 18. e6 $2 (18. O-O) 18... Nxc4 {Accuracy: White = 19% (3/0/10), Black = 59% (4/4/ 10).} 0-1 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.24"] [Round "4.1"] [White "Cheparinov, I."] [Black "Chigaev, M."] [Result "1-0"] [ECO "D87"] [WhiteElo "2686"] [BlackElo "2616"] [Annotator "Yip"] [PlyCount "59"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {-The Safest Grunfeld Reloaded(Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O 9. O-O Nc6 10. Be3 b6 {/\..Bb7 is a typical way to develop the queenside} (10... Qc7 { Smyslov's Variation} 11. Rc1 Rd8 12. Bf4 e5 13. Bg5 Rd6 14. d5 Na5 15. Bd3 c4 16. Bc2 b5 17. Rb1 Bd7 18. f4 f6 19. fxe5 fxe5 20. Qe1 Nb7 21. Be7 Ra6 { 1/2-1/2 (21) Peralta,F (2562)-Fluvia Poyatos,J (2455) Escaldes AND 2019}) ( 10... e6 {/\..Qe7 is Delchev's most recent recommendation but has been out of favor in practical play} 11. Qd2 (11. dxc5 {This structure seems harmless without ..a6} Qa5 12. f4 Rd8 13. Qe1 Qa4 14. Bb3 Qxe4 {1/2-1/2 (33) Laznicka,V (2681)-Navara,D (2722) Novy Bor 2011}) (11. Rc1 b6 12. Bb5 Bb7 13. dxc5 Qc7 14. Nd4 bxc5 15. Nb3 c4 16. Nc5 Ne5 17. Qe2 Rfc8 18. Rb1 Bc6 19. Ba6 Rd8 20. Rfd1 Rxd1+ 21. Rxd1 Qa5 22. f4 Nd3 23. Nxd3 Qxa6 24. Nb4 Qb7 25. Nxc6 Qxc6 26. Bd4 Qb5 27. Bxg7 Kxg7 28. Qe3 Qb6 29. Kf2 Rb8 30. Qxb6 Rxb6 31. Ke3 Rb2 32. Rd2 Rxd2 33. Kxd2 Kf6 34. g4 {1-0 (52) Michalik,P (2511)-Petr,M (2526) Merlimont 2011}) (11. Rb1 cxd4 12. cxd4 b6 13. Rc1 Na5 14. Bd3 Bb7 15. Qd2 Rc8 16. Rxc8 Qxc8 17. Rc1 Qd7 18. h4 Rc8 19. h5 Rxc1+ 20. Qxc1 Qc6 21. h6 Qxc1+ 22. Bxc1 Bf6 23. e5 Be7 24. Nc3 Nc6 25. Be4 Bb4 26. Bxc6 Bxc6 27. Nd1 Be7 28. f3 f5 { 0-1 (46) Harikrishna,P (2673)-Dominguez Perez,L (2712) Melilla 2011}) 11... b6 12. Rfd1 (12. Rad1 Na5 13. Bd3 cxd4 14. cxd4 Bb7 15. Bh6 Rc8 16. Bxg7 Kxg7 17. Rfe1 Qe7 18. Ng3 Rfd8 {1/2-1/2 (48) Korobov,A (2680)-Salgado Lopez,I (2622) Dubai UAE 2014}) 12... cxd4 (12... Bb7 13. Rac1 Rc8 14. Bh6 cxd4 15. Bxg7 Kxg7 16. cxd4 Qd6 17. Qb2 Kg8 18. Bb5 Ne7 19. f3 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Bxc8 22. h3 Bd7 23. Kf2 Bxb5 24. Qxb5 Nc6 25. Qc4 Kf8 {0-1 (39) Moranda,W (2577) -Krasenkow,M (2619) Wroclaw 2011}) 13. cxd4 Bb7 14. Bg5 Qd6 15. e5 Nxe5 16. dxe5 Qc6 17. f3 Qxc4 18. Rac1 Qd5 19. Bf6 Qxd2 20. Rxd2 Bh6 21. f4 Rfc8 22. Rxc8+ Rxc8 23. Rd7 Bd5 24. Rxa7 Bf8 25. Rd7 Bxa2 26. Kf2 Bd5 {0-1 (36) Koneru, H (2598)-Lahno,K (2537) Jermuk 2012}) 11. h4 {Is not mentioned by Delchev} ( 11. f3) (11. Bb5 Bb7 12. Rc1 Rc8 13. Bxc6 (13. Qd2 e6 14. Rfd1 cxd4 15. cxd4 Na5 16. Rxc8 Qxc8 17. Bg5 Qc7 18. d5 exd5 19. exd5 Qc5 20. Qd3 Ra8 21. Be3 Qb4 22. Bd2 Qd6 23. Bf4 Qb4 24. Bd2 Qd6 25. Bf4 Qb4 26. Bd2 {1/2-1/2 (26) Morozov,D (2492)-Tsygankov,E (2476) ICCF 2019}) 13... Bxc6 (13... Rxc6 { /\..Rd6 is a plausible improvement} 14. d5 Rd6 15. c4 e6 16. Qa4 Rd7 17. f3 Re7 18. Qb3 exd5 19. cxd5 Ree8 20. Rfd1 Bc8 21. a4 f5 22. exf5 Qd6 23. Bf4 Qf6 24. d6+ Qf7 25. Qxf7+ Rxf7 26. fxg6 hxg6 27. Kf2 Ba6 28. Rc2 Bxe2 29. Rxe2 Rxe2+ 30. Kxe2 Rxf4 31. d7 Bf6 32. d8=Q+ Bxd8 33. Rxd8+ Kg7 34. Rd7+ Rf7 35. Rd6 Rf4 36. Rd7+ {1/2-1/2 (36) Verst,P (2380)-Huber,M (2331) ICCF 2019}) 14. d5 Bd7 15. Qd2 e6 16. Rfe1 Re8 17. Bg5 Qc7 18. h4 c4 (18... exd5 {Is possibly the key improvement} 19. exd5 Qd6 20. Ng3 {1/2-1/2 (20) Parmet,D (2375)-Menéndez Rodríguez,G (2357) ICCF 2019}) 19. dxe6 Bxe6 20. h5 Qe5 21. h6 Bf8 22. Nd4 Bd7 23. f4 Qd6 24. e5 Qd5 25. Kh2 Bf5 26. a4 Bd3 27. Nc2 Qd7 28. Ne3 Qxa4 29. Ng4 Qc6 30. Nf6+ Kh8 31. Nxe8 Rxe8 32. Ra1 a5 33. g4 {1-0 (58) Oreopoulos,K (2497)-Elyoseph,H (2429) ICCF 2018}) 11... e6 12. h5 Qh4 13. hxg6 {The position is equal.} hxg6 14. f3 Bb7 ({Predecessor:} 14... cxd4 15. cxd4 Rd8 16. Qd2 Bb7 17. Rac1 Be5 18. f4 Bg7 {1/2-1/2 (44) Dubov,D (2676)-Svidler,P (2719) Hamburg 2019}) 15. Qd2 cxd4 16. cxd4 Qe7 (16... Rfd8 {keeps the balance.}) 17. Rad1 (17. Bg5 Bf6 18. Be3) 17... Rac8 18. Bg5 Qd6 19. Bb5 ( 19. Bh6) 19... a6 {} (19... e5) 20. Bxc6 Qxc6 21. Qe3 Qb5 ( 21... a5 {remains equal.}) 22. Rd2 ({White should try} 22. Rb1 Qa5 23. Bh6) 22... Rfe8 {[%mdl 8192] } (22... e5) 23. e5 { The simple plan is use the h-file for attack} Rc4 (23... Rf8 24. Kf2 f6) 24. Kf2 f6 25. exf6 Bf8 26. Qf4 Qf5 27. Qh4 {Rh1 would kill now.} e5 28. Rh1 { [%csl Gh1][%CAl Rh4h7] White mates.} Kf7 29. Qh7+ Ke6 30. Qg8+ {Accuracy: White = 72% (13/4/20), Black = 27% (6/4/19).} 1-0 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.23"] [Round "3.5"] [White "Yuffa, D."] [Black "Cheparinov, I."] [Result "0-1"] [ECO "D90"] [WhiteElo "2566"] [BlackElo "2686"] [Annotator "Yip"] [PlyCount "46"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {[%evp 0,46,15,15,27,4,39,33,45,54,57,20,22,26,7,-17,-7,6,2,-24,-2,-18,59,-28, 163,48,26,67,67,89,-33,-245,-273,-274,-286,-292,-313,-329,-348,-318,-359,-396, -396,-408,-451,-662,-700,-840,-871] -The Safest Grunfeld Reloaded (Delchev-Chess Stars 2019) -merged with Black repertoire} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. h4 dxc4 {Is another Delchev recommendation} (5... c6 { Is also very popular and is one of Delchev's recommendations} 6. cxd5 cxd5 7. Bf4 Nc6 8. e3 O-O 9. Qb3 Na5 10. Qa3 Nc4 11. Bxc4 dxc4 12. O-O Bd7 13. Ne5 b5 14. Qa6 Qc8 15. Qa5 Qd8 16. Qxd8 Rfxd8 17. Nxd7 Nxd7 18. Nxb5 e5 19. dxe5 Nxe5 20. Rac1 a6 21. Na3 Nd3 22. Rc2 Rac8 23. Bg5 Re8 24. Nxc4 h6 25. Bf4 Nb4 26. Rcc1 Nxa2 27. Ra1 Rxc4 28. Rxa2 Be5 {1/2-1/2 (74) Fedoseev,V (2724)-Carlsen,M (2835) Wijk aan Zee NED 2019}) (5... c5 6. dxc5 O-O 7. cxd5 Na6 8. g3 Nxc5 9. Bg2 Bf5 10. O-O Nce4 11. Nxe4 Bxe4 12. d6 Qxd6 13. Qxd6 exd6 14. Rd1 Bc2 15. Rd2 Rac8 16. Ne1 Be4 17. Rxd6 Bxg2 18. Kxg2 Rfe8 19. Be3 Ng4 20. Bxa7 Rxe2 21. Rad1 Bxb2 22. Kf3 Rce8 23. Kxg4 Rxe1 24. Rxe1 Rxe1 25. Rb6 h5+ 26. Kf3 Bg7 27. Rxb7 Ra1 28. Rb8+ Kh7 29. Rb7 Kg8 30. Rb8+ Kh7 {1/2-1/2 (30) Tabatabaei,M (2642)-Xiong,J (2707) Khanty-Mansiysk RUS 2019}) 6. e4 (6. Qa4+ c6 7. Qxc4) 6... c5 7. d5 b5 {White should prevent ...b4.} (7... O-O 8. Bxc4 b5 9. Bxb5 Nxe4 10. Nxe4 Qa5+ 11. Nc3 Bxc3+ 12. bxc3 Qxb5 13. h5 Qc4 14. hxg6 fxg6 15. Rh4 Bg4 16. Nd2 Qxc3 17. Qxg4 Qxa1 18. Qe6+ Kh8 19. Qxe7 Qxc1+ 20. Ke2 Rxf2+ 21. Kxf2 Qxd2+ 22. Kg1 h5 23. Qf8+ Kh7 24. Re4 Nc6 25. Qxa8 Qxd5 26. Qe8 c4 27. Qe6 Qc5+ 28. Kh1 {1-0 (28) Sargissian,G (2690)-Hansen,E (2611) Douglas ENG 2019}) 8. h5 {The position is equal.} O-O 9. hxg6 fxg6 10. Rh4 (10. e5 Ng4 11. d6 e6 12. Rxh7 Rf5 13. Rh3 Nc6 {Is the Delchev main line} 14. Nxb5 Ngxe5 15. Nxe5 Rxe5+ 16. Be3 Nd4 17. Bxc4 Nxb5 18. Qd3 Nd4 19. Qxg6 Qf6 20. Qe8+ Qf8 21. Qg6 Qf6 22. Qe8+ Qf8 23. Qg6 Qf6 24. Qe8+ Qf8 {1/2-1/2 (24) Gledura,B (2615)-Tari,A (2603) Malmo SWE 2018}) 10... Ng4 {Is not mentioned by Delchev} (10... a6 11. Be2 Ng4 12. Rxh7 Kxh7 13. Ng5+ Kg8 14. Bxg4 Bd4 15. Be6+ Bxe6 16. Nxe6 Qd6 17. Nxf8 Qf6 {[Delchev]}) 11. d6 ({ Predecessor:} 11. Nxb5 {And now d6 would win.} Qa5+ 12. Nc3 h5 {0-1 (64) Sargissian,G (2689)-Antipov,M (2549) Moscow 2019}) 11... Be6 12. Rxg4 (12. Be2 {and White has nothing to worry.}) 12... Bxg4 ({Don't go for} 12... Bxc3+ 13. bxc3 Nc6 14. Rh4) 13. Qd5+ {} e6 14. Qxa8 Qd7 15. Nh2 (15. Nd5 Qxd6 16. Bf4 (16. Ne3 Bxf3 17. gxf3 Nc6)) 15... Bh5 {Hoping for ...Nc6.} 16. g4 (16. Nd5 Qxd6 {[%mdl 64] Double Attack} 17. Nf3) 16... Nc6 {Black is clearly winning.} 17. Qxf8+ Kxf8 18. Bf4 {} g5 19. Be3 (19. Bxg5 Qxd6) 19... Nd4 20. O-O-O Qxd6 21. gxh5 Qxh2 22. Bxd4 cxd4 23. Nxb5 Qf4+ { Accuracy: White = 30% (6/5/18), Black = 88% (14/2/17).} 0-1 [Event "Gibraltar Masters 2020"] [Site "Caleta ENG"] [Date "2020.01.24"] [Round "4.30"] [White "Can, E."] [Black "Rakotomaharo, Fy Antenaina"] [Result "1-0"] [ECO "D97"] [WhiteElo "2600"] [BlackElo "2433"] [Annotator "Yip"] [PlyCount "61"] [EventDate "2020.01.21"] [EventType "swiss"] [EventRounds "10"] [EventCountry "ENG"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] {[%evp 12,61,46,0,73,4,62,0,30,9,66,40,71,25,53,9,35,0,41,0,44,36,92,63,127,50, 167,152,184,73,141,118,153,117,179,130,174,162,314,285,868,875,870,870,2090, 1167,29986,29987,29987,29988,29988,29989] -The Safest Grunfeld Reloaded (Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Be6 {Aggressive and provocative} (7... a6 {Delchev recommends the Hungarian Variation}) 8. d5 {Accepting the challenge} (8. Qd3 c5 9. d5 Bd7 10. Be2 e6 11. Bg5 h6 12. Be3 exd5 13. exd5 Bf5 14. Qd2 Ne4 15. Nxe4 Bxe4 16. Rd1 Nd7 17. O-O Kh7 18. b4 b6 19. Bf4 f5 20. bxc5 bxc5 21. Bb5 Bxf3 22. gxf3 g5 23. Be3 Ne5 24. Be2 Qd6 25. Rb1 Rac8 26. Rfd1 f4 27. Qc2+ Kh8 28. Bc1 g4 29. Bb2 Rce8 30. Kh1 Re7 31. Rbc1 Rfe8 32. Qxc5 Qxc5 33. Rxc5 gxf3 34. Bb5 Ng4 35. Bxg7+ Rxg7 36. Rf1 Reg8 37. h3 Rg5 38. Bd7 Rh5 39. Rc8 Rxh3+ 40. Kg1 Rh5 41. d6 Rxc8 42. Bxc8 Rg5 43. Bxg4 Rxg4+ 44. Kh2 Rh4+ 45. Kg1 Rg4+ 46. Kh2 {1/2-1/2 (46) Kuljasevic,D (2545)-Safarli,E (2667) Rio (Achaia) GRE 2018}) (8. Qa4 c5 9. d5 Bd7 10. Qb3 b5 11. Bxb5 Nxe4 12. Nxe4 Qa5+ 13. Bd2 Qxb5 14. Bc3 Qxb3 15. axb3 Bf5 16. Nxc5 Rd8 17. Rd1 Nd7 18. Nxd7 Rxd7 19. Bxg7 Kxg7 20. Ne5 Rb7 21. Nc6 Bc2 22. Rd2 Bxb3 23. Na5 Rb5 24. Nxb3 Rxb3 25. Ke2 Rab8 26. Ra1 R8b7 27. Ra2 h5 28. h4 R3b5 29. Ke3 Kf6 30. d6 exd6 31. Rxd6+ Kf5 32. Rd3 Rb4 33. Rda3 {1/2-1/2 (33) Paragua,M (2503)-Zherebukh,Y (2628) New York USA 2019}) 8... Bc8 {Black hopes to prove that the tempo loss is insignificant while the pawn centre is a concrete target for counterplay} 9. Be2 (9. e5 Nfd7 10. h4) 9... c6 {The position is equal.} 10. O-O cxd5 11. exd5 Bg4 (11... Nbd7 12. Rd1 Nb6 13. Qb3 Ne8 14. Be3 Nd6 15. h3 Bd7 16. Bd4 Rc8 17. Bxg7 Kxg7 18. Ne5 Bf5 19. Rac1 Ne4 20. Bf3 Nc5 21. Qb4 Qd6 22. Ng4 Nd3 23. Qd4+ e5 24. Qe3 Nxc1 25. Nb5 Qd8 26. Nxa7 Ra8 27. Nb5 Bxg4 28. hxg4 Nxa2 29. d6 Ra5 30. Qxe5+ Qf6 31. Qe2 Rd8 32. Bxb7 Nb4 33. Nc7 Re5 34. Qd2 N4d5 35. Bxd5 Rxd6 36. g5 Qe7 37. Qc3 Kg8 38. Qc5 Rdxd5 {0-1 (38) Van Foreest,J (2612)-Vachier Lagrave,M (2780) chess.com INT 2019}) 12. Qb3 {A prophylactic retreat} ({ White should play Predecessor:} 12. h3 Bxf3 13. Bxf3 Nbd7 14. Bf4 Ne8 15. Qb4 {1/2-1/2 (24) Johansson,L (2314)-Chigaev,M (2508) Al Ain 2013}) 12... Nbd7 13. Be3 (13. h3 {should be considered.} Nc5 14. Qa3 Bxf3 15. Bxf3) 13... Ne8 {/\..Nd6 with a typical blockade} 14. Qxb7 Nd6 (14... Bxf3 {might be stronger.} 15. Bxf3 Nd6) 15. Qa6 {[%mdl 2048] White fights for an advantage.} Bxf3 (15... Nf5 {is more appropriate.}) 16. Bxf3 {The burden is on Black to show there is enough compensation for the bishop pair and pawn} Qb8 ({Black should try} 16... Rc8) 17. Rab1 Rc8 {Hoping for Benko style compensation} (17... Qc8 18. Qxc8 Rfxc8) 18. Bg4 {The pin is awkward to deal with which provokes a compromising pawn move} (18. Rfc1) 18... f5 ( 18... Rc7) 19. Be2 {White has targets on the e-file too now} Qb4 20. Qa4 (20. a3 {has better winning chances.} Qb3 21. Nb5) 20... Bxc3 (20... Qxa4 21. Nxa4 Nc4) 21. Qxd7 Bf6 22. a3 Qa5 (22... Qb3 {was worth a try.}) 23. Rfd1 {Black has no real activity while his kingside and centre are under serious pressure due to the positionally unfortunate ..f5 advance} ({ Better is} 23. Rfc1) 23... Rc2 (23... Kg7 24. Qe6 Qa4) 24. Qe6+ Nf7 $2 {} (24... Kg7 {keeps fighting.}) 25. Bf3 Rxb2 (25... Rd8) 26. Rxb2 Bxb2 27. d6 Qa4 {Hitting Rd1 to save Ra8, but White will win the hitting contest} 28. Rb1 f4 29. Bxa8 {White mates.} fxe3 30. Bd5 exf2+ 31. Kf1 { Accuracy: White = 44% (12/2/24), Black = 19% (5/3/22).} 1-0 [Event "TCh-CZE Extraliga 2019-20"] [Site "Czech Republic CZE"] [Date "2020.01.25"] [Round "5.2"] [White "Stocek, J."] [Black "Votava, J."] [Result "1-0"] [ECO "D97"] [WhiteElo "2569"] [BlackElo "2521"] [Annotator "Yip"] [PlyCount "163"] [EventDate "2019.10.12"] [EventType "team"] [EventRounds "11"] [EventCountry "CZE"] [SourceTitle "TWIC 1316"] [Source "Mark Crowther"] [SourceDate "2020.01.27"] [SourceVersion "1"] [SourceVersionDate "2020.01.27"] [SourceQuality "2"] [WhiteTeam "Moravska Slavia Brno"] [BlackTeam "GASCO Pardubice"] {[%evp 17,163,9,68,-39,0,0,37,13,58,0,58,31,173,52,99,62,112,97,120,77,121,59, 115,49,130,49,137,101,87,57,91,26,77,31,122,68,106,30,72,19,44,20,92,0,9,0,0,0, 0,0,0,-28,0,-19,0,-69,36,0,11,0,29,0,16,0,9,0,32,9,51,51,51,51,51,51,51,51,64, 64,62,61,135,63,90,63,63,63,64,75,75,24,61,61,61,61,72,70,81,61,61,67,80,79, 128,128,128,128,1160,128,1090,1143,1192,1147,1073,929,878,859,834,128,733,704, 791,128,747,726,747,704,685,652,654,626,623,621,606,440,613,600,596,582,582, 456,446,408,15307,15307,15315,15314,15321,15321] -The Safest Grunfeld Reloaded (Delchev-Chess Stars 2019)} 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 {Black has many ways to defend the Russian System} a6 { The current Delchev recommendation} 8. e5 {Enterprising play} (8. Be2 {Is the Delchev main line} b5 9. Qb3 c5 10. dxc5 Bb7 11. e5 Nfd7 12. Be3 e6 13. O-O Qc7 14. Rad1 Nxc5 {is safest} (14... Nxe5 {is more doubled edged} 15. Nxe5 Bxe5 16. f4 Bg7 17. a4 bxa4 18. Nxa4 Nc6 19. Bf3 Rab8 20. Qb6 Qc8 21. Rd6 Ne7 22. Bxb7 Rxb7 23. Qxa6 Qc7 24. Rfd1 Ra7 25. Qc4 Nf5 26. R6d3 Nxe3 27. Rxe3 Rd8 28. Ree1 Rb8 29. b3 Bf8 30. Rd3 Rab7 31. g3 Rb4 32. Qc2 Rc8 33. Rc1 Qb7 34. Qd1 Rxa4 35. bxa4 {1/2-1/2 (35) Romm,M (2457)-Benz,G (2542) ICCF 2019}) 15. Qa3 Ncd7 16. Qe7 Rc8 17. a4 bxa4 18. Nxa4 h6 19. b3 a5 20. Qh4 Nc6 21. Bxh6 Ncxe5 22. Ng5 Nf6 23. f4 Ned7 24. Bc4 Qc6 25. Rf2 Nf8 26. Bxg7 Kxg7 27. Nf3 Qc7 28. Nd4 Be4 29. Rfd2 Qb8 30. Bxe6 {1/2-1/2 (30) Zill,E (2178)-Höbel,H (2367) ICCF 2019}) 8... b5 9. Qb3 Nfd7 10. Ng5 (10. e6 fxe6 11. Be3 Nf6 12. g3 (12. a4 b4 13. Qxb4 Nc6 14. Qa3 Qd6 15. Bc4 Nb4 16. Qb3 Bb7 17. O-O Bxf3 18. Bxe6+ Kh8 19. gxf3 Rab8 20. Ne4 Nxe4 21. fxe4 Bxd4 22. Bxd4+ Qxd4 23. Rad1 Qxe4 24. Qc4 Qxc4 25. Bxc4 Nc6 26. Bd5 Rf6 27. Rfe1 Rd8 28. Bc4 Rxd1 29. Rxd1 Rf4 30. Rc1 Nb4 31. b3 e5 32. Re1 e4 33. Rd1 c6 34. Rd8+ Kg7 35. Ra8 Rf3 36. Re8 Rf4 37. Ra8 Rf3 { 1/2-1/2 (37) Rogetzer,K (2528)-Olofsson,D (2513) ICCF 2018}) 12... Nc6 13. Bg2 Rb8 14. Rd1 Nd5 15. O-O Na5 16. Qc2 Nc4 17. Bc1 Nxc3 18. Qxc3 Bb7 19. b3 Nd6 { 0-1 (67) Salgado Lopez,I (2624)-McShane,L (2667) Germany 2019}) (10. h4 c5 11. e6 c4 12. Qd1 Nb6 13. exf7+ Rxf7 14. h5 Nc6 15. hxg6 hxg6 16. Be3 Nd5 17. Nxd5 Qxd5 18. b3 cxb3 19. Qxb3 Be6 20. Qxd5 Bxd5 21. Bd3 Bxf3 22. gxf3 Nxd4 23. Be4 Rd8 24. Rd1 Rd6 25. Kf1 Rf8 26. Rg1 Kf7 27. Bf4 e5 28. Bg5 Rh8 29. Rd3 Bh6 30. Rh1 Bg7 31. Rxh8 Bxh8 32. Be3 Bf6 33. f4 a5 34. fxe5 Bxe5 35. a3 Nc2 36. Bc5 Rxd3 37. Bxd3 Nd4 38. Bxd4 Bxd4 39. Bxb5 {1/2-1/2 (39) Badolati,S (2520) -Martín Sánchez,C (2497) ICCF 2019}) 10... Nb6 {aiming for ...Nc6.} (10... Nc6 11. Be3 Na5 12. Qd1 Nb6 13. h4 h6 14. Nf3 Nac4 15. h5 Nxe3 16. fxe3 g5 17. Bd3 Bg4 18. Qc2 c5 19. dxc5 Nd7 20. Rd1 Bxf3 21. gxf3 Qc7 22. Be4 Rad8 23. Nd5 { 1/2-1/2 (23) Esposito,L (2452)-Shetko,L (2427) ICCF 2018}) 11. Be3 h6 {Kicking back the knight has some logic but weakens the kingside} (11... Nc6 { [%CAl Rc6d4]} 12. Rd1 Bf5 (12... Na5 13. Qb4 Nbc4 14. Be2 Bb7 15. O-O c5 16. dxc5 Qc8 17. e6 f6 18. Nf3 Nc6 19. Qb3 N6a5 20. Qb4 Nc6 21. Qb3 N6a5 22. Qb4 Nc6 23. Qb3 {1/2-1/2 (23) Holt,C (2549)-Xiong,J (2647) Atlantic City USA 2016}) 13. Be2 {Carlsen puts on a nice attacking display} Na5 14. Qb4 Nac4 15. O-O f6 16. Nf3 Nxe3 17. fxe3 fxe5 18. dxe5 Qe8 19. Qc5 Rc8 20. a4 Nxa4 21. Nxa4 bxa4 22. Nd4 Rb8 23. g4 {Playing the whole board} Be4 24. Ne6 Rxf1+ 25. Bxf1 c6 26. Ng5 Bd5 27. e4 Bb3 28. Bc4+ e6 29. Nxe6 Bxc4 30. Qxc4 Kh8 31. Nxg7 Kxg7 32. e6 Rb7 33. Qc3+ Kg8 34. Rd6 Re7 35. Rxc6 Qf8 36. Rc8 Re8 37. Rxe8 Qxe8 38. Qf6 Qc8 39. Kg2 Qc2+ 40. Kh3 Qc5 41. Kh4 Qb4 42. Qf7+ Kh8 43. e7 Qe1+ 44. Kg5 Qe3+ 45. Qf4 {1-0 (45) Carlsen,M (2810)-Dominguez Perez,L (2712) Wijk aan Zee 2010 CBM 135 [Krasenkow,M]}) 12. Nge4 {White is slightly better.} Be6 13. Qc2 (13. Qd1 $14 Bc4 14. Bxc4 Nxc4 15. Qb3 Nd7 16. Rd1 e6 17. O-O c5 18. dxc5 Nxe3 19. fxe3 Qe7 20. a4 bxa4 21. Qxa4 Nxe5 22. Nd6 a5 23. Ncb5 Nc6 24. Qe4 Ra6 25. Rf2 Ne5 26. Rc2 Rc6 27. Nd4 Rc7 28. N4b5 Rc6 29. Nd4 Rc7 {1/2-1/2 (29) Alonso Rosell,A (2507)-Alsina Leal,D (2547) Sabadell 2010}) 13... Nc6 {Black would ideally like to undermine the pawn centre with ..c5} (13... N8d7) 14. Rd1 Bc4 $146 ({Predecessor:} 14... Bf5 15. Be2 Nb4 16. Qd2 Nc4 17. Bxc4 bxc4 {0-1 (35) Zhao,X (2490)-Cmilyte,V (2485) Dagomys 2010}) 15. Be2 (15. Bxc4 Nxc4 16. O-O) 15... Nb4 (15... Bxe2 16. Nxe2 (16. Kxe2 b4) 16... Nb4) 16. Qd2 { Gains a useful tempo.One of the benefits of inducing ..h6} Kh7 (16... Bxe2 17. Nxe2 Qd5) 17. b3 {Restricting Black's pieces by controlling c4. White is slowly taking over positionally} Bxe2 18. Nxe2 ({Resist} 18. Qxe2 f6) ({ Of course not} 18. Kxe2 N4d5) 18... N4d5 {Black has a nice central outpost to compensate for conceding the centre and the d4-e5 pawn wedge} 19. O-O (19. h4) 19... e6 (19... Qe8) 20. Rc1 {Locking onto c5 to prevent ..c5 keeps Black passive} (20. Qd3) 20... Qe7 (20... a5) 21. N2c3 (21. Qd3) 21... Rfd8 {} (21... b4) 22. Nxd5 Nxd5 23. Qe2 b4 24. Rc2 (24. Qf3) 24... a5 25. Nc5 (25. Qg4) 25... Ra7 (25... f6 $14) 26. g3 {/\xf4 slow restriction play} (26. Qf3) 26... f5 { A combative move, showing that Black is not willing to just sit and wait} 27. exf6 (27. h4) 27... Qxf6 {White gained more targets on the e-file but d4 has also become a bit sensitive} 28. Bd2 (28. Rc4) 28... Qf5 29. Rc4 Re8 ( 29... Rd6) 30. Nd7 ({White should try} 30. Nd3) 30... a4 31. Bxb4 axb3 32. axb3 Rb7 33. Ba5 Rxb3 34. Nc5 Ra3 35. Bb4 Raa8 36. Nd3 (36. Rfc1) 36... Rad8 (36... Ra4) 37. Bc5 Rb8 38. Nb4 Nf6 39. Nc6 Rb1 40. Rcc1 Rxc1 41. Rxc1 Ne4 42. h4 Nxc5 (42... Nf6 {might be stronger.}) 43. Rxc5 Qb1+ 44. Kg2 Ra8 {[%CAl Ra8a1] White must now prevent ...Ra1.} 45. Qc2 Qxc2 46. Rxc2 { [%mdl 4096] White has a useful knight and the better structure} Ra4 47. Nd8 Rxd4 48. Nxe6 {[%mdl 64] Double Attack} Rd6 (48... Rd7) 49. Nxc7 ({White should play} 49. Nxg7 Kxg7 50. Rxc7+ Kf6 51. Kf3) 49... Rd7 50. Rc6 Rd2 51. Ne6 {Hoping for Rc7.} Bd4 52. Rc7+ Kg8 53. Kh3 (53. Nxd4 Rxd4 54. Rb7) 53... Bxf2 54. Rg7+ {[%mdl 64] Double Attack} Kh8 55. Rxg6 Be3 56. Kg4 Rf2 57. Rg7 Rf6 58. Re7 Bd2 59. Kh5 Bb4 (59... Kg8) 60. Re8+ Kh7 61. g4 Bd2 {[%mdl 8192]} (61... Bd6 62. g5 Rg6) 62. Nd4 (62. Re7+ Kg8 63. Rg7+ Kh8 64. Rg6) 62... Kg7 {[%mdl 8192]} (62... Bb4 63. Ra8 Bc5) 63. Nf5+ $18 Kh7 64. Re7+ Kh8 65. Rd7 Bc1 66. Rd1 Bf4 67. Ne7 (67. Ra1 Re6 68. Ra8+ Kh7 69. Ra7+ Kh8 70. Rb7) 67... Kh7 {[%mdl 8192]} (67... Bd6) 68. Nf5 Kh8 69. Rf1 (69. Rd8+ {and White stays clearly on top.} Kh7 70. Rd7+ Kh8 71. Ne7) 69... Bd2 {[%mdl 8192]} (69... Bd6 70. g5 hxg5 71. hxg5 ( 71. Kxg5 Rf8) 71... Re6) 70. Ra1 Kh7 71. Ra7+ Kh8 72. Ne7 Bc1 73. Ng6+ Kg8 74. Rc7 Bd2 75. Rc8+ Kh7 76. Rc7+ Kg8 77. Rd7 Bc1 78. Ne7+ Kf8 79. Nf5 Kg8 ( 79... Rc6 80. Rh7 Rc5) 80. Rg7+ {White is clearly winning.} Kf8 81. Rg6 Kf7 82. Nxh6+ {Accuracy: White = 48% (28/20/71), Black = 44% (34/16/72).} 1-0
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