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 -/+