Black has an extra pawn and the better position. The rest of the game was just a technical realisation of a large advantage.
24.Rc1 Re8 25.Ng1 Bg7 26.Re1 Rd8 27.Ne2 Ne3+ 28.Kg1 h5 29.Nc1 Qd5 30.Nd3 Qxf3 31.Qe2 Qd5 32.b4 Re8 33.Qf2 Kh7 34.Nf4 Qb7 35.Rc1 Rc8 36.Rxc8 Qxc8 37.Nd3 Qc4 38.Qe2 Qe6 39.Nf4 Qe4 40.Nh3 Qb1+ 41.Kf2 Qxb2
Unity Chess Club
Lazaro Bruzon Batista 2584 Konstantin Sakaev 2639 Ubeda 2001 Black to move
In playing his last move (17.g4-g5), White missed a tactical nuance:
In the variation 19.Nd4 dxe4 20.Qxe4 Bc5 21.c3 Bg4! 22.Rd2 Bf5 23.Qxf5 Qxf5 24.Nxf5 Bxg1, White again loses because of the pin, only this time on a different diagonal.
Black wins a pawn, in addition to which he has the advantage of bishop over knight, and the more active major pieces – White’s position is hopeless.
Unity Chess Club
Markus Ragger 2655 Zoltan Almasi 2710 Germany Bundesliga 2011/12 Black to move
The Nd4 is pinned, which gives rise to a tactical motif:
First, increasing the pressure and forcing the Nd6 to leave its active position. The immediate 31...Be2, with the same idea, was also possible, but after 32.Rxc5 Bxd1 (on 32...Qxc5, there also follows 33.N6f5) 33.N6f5, the position remains dynamic, and the realisation of the advantage is more difficult. In the game, Black played very poorly, not even trying to exploit the pin, and after 31...Ne4 32.Nxe4 dxe4 33.Nf5 Rxa2, a double-edged position arose.
Because of the back-rank mate, retreating to d2 is impossible, and so White loses material. After