20...Qxe3! [A correct decision that increases the weakness of White's light squares and creates a weak pawn on the enemy camp.]
21.fxe3 Nd3 22.Rab1 Bh6! 23.Nc2 [White's pieces are passive and Black has the initiative.]
23...Bg5 [¹23...Nce5! 24.Rf6 Rhe8 25.Rb6 Kc7 26.Rf6 Bg5 27.Rff1 Kb6 28.Ba4 Rg8 29.Bxe5 Nxe5 30.Bb3 Kc5µ △Rdf8]
24.Bf4 Nxf4 25.exf4 Be7! [Now, Black intends to transfer the bishop to the a7–g1 diagonal.]
26.Ne3 Bc5 27.Rfe1 Ne7 28.Bd1 Rhf8 29.Nb3 [29.g3 Kc7 30.Kh2 Bxe3‚ 31.Rxe3 Nf5 32.Re1 e3µ △N×g3]
29...Bxe3+ 30.Rxe3 Rxf4µ 31.Nd4 Kd7 32.g3 Rf6 33.Bg4+ Kd6 34.Rd1 Nc6 35.Nc2 Ke5 36.Ree1 Bf7 37.Rf1 Rxf1+ 38.Rxf1 Be6 39.Bxe6 Kxe6 40.Rf4 Rg8 41.Kg2 Rg7?! [¹41...Rg5 42.a3 h5 43.a4 a5 44.Rh4 Kd6 45.Rf4 Kc5 46.b3 b5 47.axb5 Kxb5-/+]
42.Rh4 Rd7 43.Kf2 Ne5 44.Rh6+ Kf5 45.Rh5+ Kf6 46.Ne3 d4 -/+
21.fxe3 Nd3 22.Rab1 Bh6! 23.Nc2 [White's pieces are passive and Black has the initiative.]
23...Bg5 [¹23...Nce5! 24.Rf6 Rhe8 25.Rb6 Kc7 26.Rf6 Bg5 27.Rff1 Kb6 28.Ba4 Rg8 29.Bxe5 Nxe5 30.Bb3 Kc5µ △Rdf8]
24.Bf4 Nxf4 25.exf4 Be7! [Now, Black intends to transfer the bishop to the a7–g1 diagonal.]
26.Ne3 Bc5 27.Rfe1 Ne7 28.Bd1 Rhf8 29.Nb3 [29.g3 Kc7 30.Kh2 Bxe3‚ 31.Rxe3 Nf5 32.Re1 e3µ △N×g3]
29...Bxe3+ 30.Rxe3 Rxf4µ 31.Nd4 Kd7 32.g3 Rf6 33.Bg4+ Kd6 34.Rd1 Nc6 35.Nc2 Ke5 36.Ree1 Bf7 37.Rf1 Rxf1+ 38.Rxf1 Be6 39.Bxe6 Kxe6 40.Rf4 Rg8 41.Kg2 Rg7?! [¹41...Rg5 42.a3 h5 43.a4 a5 44.Rh4 Kd6 45.Rf4 Kc5 46.b3 b5 47.axb5 Kxb5-/+]
42.Rh4 Rd7 43.Kf2 Ne5 44.Rh6+ Kf5 45.Rh5+ Kf6 46.Ne3 d4 -/+
17.Ng5! [An excellent move that provides many possibilities to pursue an active plan to attack.]
[17.Qd2 dxe5 18.fxe5 Rxe5 19.Bg5 Qf8 20.Nf6+ Kh8 21.Rae1+–; 17.Qf3 Bf5 18.Ng5 dxe5 19.fxe5 Rxe5 20.Nxf7 Rxe3 21.Qxe3 Nc2 (21...Bd4 22.Qxd4 cxd4 23.Nxd8 Rxd8 24.Rad1+–) 22.Qe2 Qe8 (22...Nxa1?? 23.Nxd8) 23.Qxe8+ Rxe8 24.Nd6 Bd4+ 25.Kh1 Rf8 (25...Re5 26.Nxf5 gxf5 27.d6+) 26.Rab1 Ne3 27.Nxf5 gxf5 28.Rfc1±]
17...f6 [17...dxe5 18.fxe5 Bxe5 (18...Rxe5 19.Nxf7+–) 19.Nxf7 Qh4 20.Nxe5 Rxe5 21.Qf3 Bb7 (21...Rf5 22.d6+ Qxc4 23.Qxa8+–) 22.Qf7+ Kh8 23.Qxb7+–]
18.Ne6 Bxe6 19.dxe6 d5 20.Nc6! [White returns his extra piece correctly, in order to seize a huge initiative.]
20...Nxc6 [20...Qc8 21.Bxd5 Nxd5 22.Qxd5+–]
21.Bxd5 Qd6 22.f5 Rac8 [22...Rad8 23.e7+ Qxd5 24.exd8Q+–; 22...gxf5 23.Bf4 Ne5 24.e7+ Kh8 25.Bxa8+–]
23.fxg6 Nd4 24.gxh7+ Kh8 25.Bxd4 cxd4 [25...Qxd5 26.Bxf6+–]
26.Qxd4 Rxe6 27.Rad1 Re5 28.Bb7 Qxd4+ 29.Rxd4 Rb8 30.Bxa6 Kxh7 31.Rd7 Kg8 32.Bc4+ Kh8 33.Rf4 Rh5 34.Rg4 Bh6 35.Re4 Bf8 36.b3 Bc5+ 37.Kh2 Rf8 38.g4 Rh7 39.Rd5 Re7 40.Rxe7 Bxe7 41.Rd7 Bc5 42.Kg3 Re8 43.Kf4 Re5 44.Rb7 Be3+ 45.Kf3 Bd4 46.h4 Re3+ 47.Kf4 Re5 48.Rf7 Rc5 49.Ke4 Bb2 50.Bd5! Bc3 51.Rd7! b5 52.Kf5 1–0
[17.Qd2 dxe5 18.fxe5 Rxe5 19.Bg5 Qf8 20.Nf6+ Kh8 21.Rae1+–; 17.Qf3 Bf5 18.Ng5 dxe5 19.fxe5 Rxe5 20.Nxf7 Rxe3 21.Qxe3 Nc2 (21...Bd4 22.Qxd4 cxd4 23.Nxd8 Rxd8 24.Rad1+–) 22.Qe2 Qe8 (22...Nxa1?? 23.Nxd8) 23.Qxe8+ Rxe8 24.Nd6 Bd4+ 25.Kh1 Rf8 (25...Re5 26.Nxf5 gxf5 27.d6+) 26.Rab1 Ne3 27.Nxf5 gxf5 28.Rfc1±]
17...f6 [17...dxe5 18.fxe5 Bxe5 (18...Rxe5 19.Nxf7+–) 19.Nxf7 Qh4 20.Nxe5 Rxe5 21.Qf3 Bb7 (21...Rf5 22.d6+ Qxc4 23.Qxa8+–) 22.Qf7+ Kh8 23.Qxb7+–]
18.Ne6 Bxe6 19.dxe6 d5 20.Nc6! [White returns his extra piece correctly, in order to seize a huge initiative.]
20...Nxc6 [20...Qc8 21.Bxd5 Nxd5 22.Qxd5+–]
21.Bxd5 Qd6 22.f5 Rac8 [22...Rad8 23.e7+ Qxd5 24.exd8Q+–; 22...gxf5 23.Bf4 Ne5 24.e7+ Kh8 25.Bxa8+–]
23.fxg6 Nd4 24.gxh7+ Kh8 25.Bxd4 cxd4 [25...Qxd5 26.Bxf6+–]
26.Qxd4 Rxe6 27.Rad1 Re5 28.Bb7 Qxd4+ 29.Rxd4 Rb8 30.Bxa6 Kxh7 31.Rd7 Kg8 32.Bc4+ Kh8 33.Rf4 Rh5 34.Rg4 Bh6 35.Re4 Bf8 36.b3 Bc5+ 37.Kh2 Rf8 38.g4 Rh7 39.Rd5 Re7 40.Rxe7 Bxe7 41.Rd7 Bc5 42.Kg3 Re8 43.Kf4 Re5 44.Rb7 Be3+ 45.Kf3 Bd4 46.h4 Re3+ 47.Kf4 Re5 48.Rf7 Rc5 49.Ke4 Bb2 50.Bd5! Bc3 51.Rd7! b5 52.Kf5 1–0