[Event "46th GM 2018"] [Site "Dortmund GER"] [Date "2018.07.15"] [Round "2.4"] [White "Nisipeanu, Liviu-Dieter"] [Black "Duda, Jan-Krzysztof"] [Result "0-1"] [ECO "B52"] [WhiteElo "2672"] [BlackElo "2737"] [Annotator "Bojkov, Dejan"] [PlyCount "70"] [EventDate "2018.07.14"] {[%evp 0,70,25,25,61,46,103,53,48,36,51,55,38,31,31,3,26,26,30,20,30,22,55,56, 40,43,51,36,40,27,25,34,30,24,27,27,20,-14,-8,-113,-120,-83,-97,-102,-105,-96, -75,-85,-88,-89,-96,-118,-123,-134,-137,-122,-122,-124,-118,-118,-123,-178, -177,-216,-251,-235,-172,-209,-226,-224,-232,-250,-249]} 1. e4 c5 2. Nf3 d6 3. Bb5+ {According to my Megabase, this is the first time that Nisipeanu uses the Moscow line.} Bd7 {The most solid choice.} ({Perhaps Nisipeanu spent the major part of his preparation on} 3... Nd7 {which is what the Polish GM used in his latest games.}) 4. Bxd7+ Qxd7 5. O-O Nf6 6. Re1 ({Duda faced previously ??????} 6. Qe2 Nc6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 10. e5 Ne4 11. Be3 Be7 12. Ne1 f6 13. f3 Ng5 14. Nd3 Nf7 15. f4 O-O 16. Nd2 Rac8 {Zawadzka,J (2391)-Duda,J (2539) Lublin 2013}) 6... Nc6 7. c3 e6 8. d4 cxd4 9. cxd4 d5 { Getting into a French type of position but without the potentially bad bishop on c8. White, on his turn,is enjoying extra space.} 10. e5 Ng8 ({The knight can be posted more actively as well:} 10... Ne4 11. Nbd2 Nxd2 12. Bxd2 Be7 13. Rc1 O-O 14. Rc3 Rfc8 15. h4 Bd8 {as in the recent game Nakamura,H (2769) -Grischuk,A (2766) Paris 2018}) 11. a3 Nge7 12. Nc3 h5 {An important move which secures control on some valuable outposts.} (12... Nf5 13. g4 $5) 13. Bg5 Nf5 14. Rc1 {Occupying the open file and thus producing a novelty.} Be7 { Equalizing in full.} 15. Bxe7 Qxe7 16. Qd3 {With the threat Nc3xd5.} ({The other idea was} 16. Ne2 O-O-O 17. b4 Kb8 18. Qd2 Qd7 19. b5 Nce7 {when Black is also OK.}) 16... O-O-O {The king is relatively safe on the queenside. At the same time Black is ready to push his g-pawn asap.} (16... O-O {allows the trick} 17. Nxd5) ({Whereas} 16... g6 17. b4 {is playable but does not offer too many prospects to Black.} O-O 18. Ne2 Rac8 {with approximate equality in Lagerman,R (2354) -Gunnarsson,J (2437) Reykjavik 2008}) 17. Na4 Kb8 18. Nc5 $2 ({It was not too late for} 18. b4 $1 {with the idea to meet ??b??????,????} g5 {with} (18... Rc8 {is equal. and now either} 19. b5 ({or} 19. Nc5 g5 20. b5 Na5 21. Nd2) 19... Na5 {In both cases White chases away one of the black knights from the center and the game will remain balanced.}) 19. b5 Na5 20. b6 a6 21. Rc7 Rd7 22. Rec1 Nc4 23. Nc5 $1 {with advantage for White. For example:} Rxc7 24. bxc7+ Kxc7 (24... Qxc7 25. Rb1) 25. Nd2 Nxd2 (25... b5 26. Nxa6+) 26. Qxd2 Kb8 27. Rb1 $18) 18... g5 19. Rc3 {[%CAl Rc3c8,Re1c1] Nisipeanu must have miscalculated somewhere. ?????,??……} ({This was the last moment to go for ?????} 19. b4 g4 20. b5 Na5 ({There is no ???} 20... gxf3 $2 21. bxc6 b6 (21... bxc6 22. Rb1+ Ka8 23. Rb7 $18 {[%CAl Rb7e7,Rd3a6]}) 22. c7+ $1 $18) 21. Nd2 {Black is good, but White has not much to complain of neither. ????????} Rc8 $17) 19... g4 {Snatching the most important central pawn. ???????????!} 20. Nd2 Ncxd4 21. Rec1 Rc8 (21... h4 {???????????!} 22. Ndb3 Nxb3 23. Nxb3 Rc8 { was also possible.}) 22. Nf1 Rc6 ({On} 22... h4 23. Ne3) 23. Ng3 Ka8 $5 { ????!} ({Avoiding any discovered attack tricks like ?????????} 23... Rhc8 24. Nxf5 Nxf5 25. Na6+ Ka8 $17) 24. Nxf5 Nxf5 25. b4 {????b4?,????} ({More stubborn was ???????} 25. Nb3 Rxc3 26. Qxc3 {[%CAl Rc3c8,Rc1c8] at least holding the open c-file in control. ??????c?}) 25... Rhc8 26. a4 b6 27. Nb3 Rxc3 {Simple play. Duda will either win the open file or trade all the major pieces, which is equally good for him.} 28. Rxc3 Rxc3 29. Qxc3 Kb7 { ??????,?????????,?????????? ????????????????????€?????????????€?????? €???????????????????€?????????????€?????? ?????,?????????,??????????? ??€????????????????€?????????????€??????? ??????????????????€?????????????€???????? ????,?????????,???????????? ?????????????????€?????????????€????????€ €????????????????€?????????????€????????€? } 30. a5 ({The most resilient} 30. b5 Qc7 31. Qxc7+ Kxc7 32. Kf1 Kd7 {should also lose slowly for White. ??????,?????}) 30... Qd7 $1 ({Avoiding even the slightest glimpse of hope after ???????} 30... Qc7 31. a6+ Kb8 32. Qxc7+ Kxc7 33. b5 {when the black queenside pawns are vulnerable.}) 31. Nd4 Nxd4 32. Qxd4 {Either the queens will be traded after } Qc7 {??????,????????} 33. g3 Qc1+ 34. Kg2 Qc4 { or the Black pawns will come into motion in case of} 35. Qb2 d4 {[%CAl Rd4d3] ?????,?????} 0-1