Black to move

1) -0.08 (38 ply) 10...b6 13.c4 O-O 14.Ba3 Rfe8 15.dxc5 Nxe5 16.Nxe5 Qxe5 17.Bf3 Qf4 18.cxd5 Nxd5 19.cxb6 axb6 20.Bb2 Rxa4 21.Bxd5 exd5 22.Qxd5 Rxa1 23.Bxa1 Ba4 24.Qd4 Qxd4 25.Bxd4 b5 26.c3 f6 27.f3 Kf7 28.Kf2 h6 29.Re1 Rxe1 30.Kxe1 Bb3 31.Ke2 Bd5 32.Be3 Ke6 33.Kd3

2) +0.25 (37 ply) 10...Rd8 13.Ba3 b6 14.c4 Na5 15.cxd5 Nxd5 16.Qd2 O-O 17.Rfb1 Rfe8 18.c4 Ne7 19.dxc5 bxc5 20.Qd6 Rc8 21.Bb2 Nf5 22.Qxc7 Rxc7 23.Bc3 Nc6 24.a5 Bc8 25.a6 Nfd4 26.Bd3 Rd7 27.Be4 Ne2+ 28.Kf1 Ncd4 29.Bxd4 Nxd4 30.Rb7 Red8 31.Ra5 Bxb7 32.axb7 Nxf3 33.Bxf3 Rd4 34.Rxc5

3) +0.33 (37 ply) 10...c4 13.Ba3 Nf5 14.g4 Nh6 15.Nh4 f6 16.f4 Nf7 17.a5 O-O-O 18.Ng2 Kb8 19.Qb1 Ka8 20.Bc5 Rde8 21.Bb6 Qc8 22.h4 h5 23.g5 Ne7 24.Qa2 a6 25.Bf3 fxe5 26.fxe5 Nf5 27.Rf2 g6 28.Qa3 Rhf8 29.Qc5 Bb5 30.Qxc8+ Rxc8 31.Bc5 Rg8