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Inarkiev, Ernesto - Tiviakov, Sergei 2009.??.??

Moscow 105/25

1.e4 d5 2.exd5 Qxd5 3.Nc3 Qd6 4.d4 Nf6 5.Nf3 c6 6.h3 Bf5 7.Bd3 Bxd3 8.Qxd3 Nbd7 9.Bg5 e6 10.O-O-O Be7 11.Kb1 (11.Rhe1 O-O-O!? (11... O-O 12.Ne5) 12.Ne5 Nxe5 equal chances, quiet position)

11... O-O-O (11... b5 12.Rhe1 O-O White has a slight advantage)

12.Bh4 Qc7 (12... Qb4 13.Bg3 White has the initiative)

13.Qe2 (13.Ng5 Rdf8 14.Bg3 (14.Qe2!?) 14... Bd6 15.Bxd6 Qxd6 equal chances, quiet position) (13.Bg3 Bd6 14.Bxd6 Qxd6 equal chances, quiet position)

13... Rde8!? (13... Rhe8? 14.Ng5 Nd5 15.Nxd5 exd5 16.Qg4 White has a moderate advantage) (13... h6 14.Ne5 ( a) 14.Bg3 Bd6 15.Ne5 (15.Bxd6 Qxd6 16.Ne5 Rhf8) 15... Rhf8) 14... Rhf8 15.Nc4! White has a slight advantage /\ Bg3) (13... Rhf8!?)

14.Bg3 (14.Ne5 Nd5 15.Nxd5 exd5 equal chances, quiet position)

14... Bd6 15.Ne5 Rhf8 (15... Re7!?)

16.Rd3 (16.Nxd7 Qxd7 17.Be5 White has a slight advantage)

16... Kb8 17.Rhd1 (17.Nxd7+ Qxd7 18.Be5 White has a slight advantage)

17... Nb6 18.a3 Ka8 (18... g6!?)

19.h4 (19.Na2 Nfd5!? 20.c4 f6 21.cxd5 (21.c5 fxe5 22.cxd6 Qxd6 unclear position) 21... exd5 22.Re1 (22.f4 g5! Black has a slight advantage) 22... fxe5 23.dxe5 Nc4 unclear position)

19... g6!? equal chances, quiet position (19... Nbd5) *