Augalv: Jakovenko Dmitry - Volokitin Andrei, Aerosvit 2008, 3rd Round. 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2 e5 7.O-O exd4 This line is not very suitable to Volokitin's style, it goes into positions with slight and lasting edge for White.7..Nc6 gives more interesting play. 8.Nxd4 Re8 9.f3 Nc6 10.Be3 Nh5 11.Qd2 Nxd4
11..f5 is other option also with some edge for White. 12.Bxd4 Nf4 13.Rfd1 Bxd4+ 14.Qxd4 Nxe2+ 15.Nxe2 b6 16.Nc3 Bb7 17.Nd5 Bxd5 18.cxd5 Qg5 19.Rac1 Re7 ( diagram )  click for larger view/
Plans are clear, Black must play actively to compensate c7 weakness. 20.Qd2
20.Rc3 is another option, Jakovenko finds new plan.
20..Qh5 21. g4!?
21.Qd3 is older try.
21..Qh4 22.Qf2 Qg5 23.Qd2 Qh4 24.Kh1 Rf8 25.Rg1 h5 26.Rc3 26.g5 is not the best, Black can reply with 26..f5! with good play/26..Qh3 keeping all options open is possible. 26..hxg4 27.Rxg4 Qh3 28.Rg3 Qf1+ 29.Rg1 Qh3 30.Rg3 Qf1+ 31.Rg1 Qh3 32.Qg5 Rfe8 33.f4 Qh8 ( diagram )  click for larger view34.f5!
Tempting 34.e5 is not promising much 34..dxe5 35.f5 e4 36.fxg6 ( 36.d6 cxd6 37.fxg6 f6 38.Qd5+ Kg7 is not clear ) 36..f6! 37.Qg4 e3 is total mess, unclear. 34..Qd4 35.Re3
Critical position.Volokitin makes huge slip.
35..Rxe4??
35..Re5! holds on 36.Qh6 Rxf5 37.Rxg6+ fxg6 38.Qxg6+ Kf8 39.Qxf5+ Ke7 Black is pawn down but open position of White King gives him enough counterplay.Most likely White will seek perpetual here. 36.fxg6 f5
Necessary both 36..Qxe3 37.gxf7+ and 36..Rxe3 37.gxf7+ are disasterous. 37.Qxf5 R4e7 38.Rf3
There's another interesting winning try.38.Rge1 Rf8 39.Qh5 Rg7 40.Re8 but it requires more calculation. 38..Qe4 39.Qxe4
39.h4 can be interesting.
39..Rxe4 40.Rf7 R8e7 41.Rgf1 Rxf7
If 41..Re2 then 42.Rxe7 Rxe7 43.Kg2 Kg7 ( 43..Re2+ 44.Rf2 Re7 45.h4 is easy job ) 44.Rf7+ Rxf7 45.gxf7 Kxf7 46.Kf3 is child's play. 42.Rxf7 Re2 43.h4 Rxb2 44.h5 ( diagram )
 click for larger viewPawns are too strong, Black is lost.
44..Rb4 45.Kg2 Rh4 46.Rh7 Rd4 47.Kg3 Rxd5 48.Kg4 Ra5 49.Rxc7 Rxa2
50. Kg5 Ra5+ 51.Kf6 Rc5 52.Rxc5 1-0
Extracted from blog about Sergey Karjakin
http://www.karjakin.blogspot.com/
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