28...Nf7?? [A fatal blunder that allows White to exploit Black's vulnerable king position by a spectacular combination.]
[28...Nc5! would be correct: 29.Rg1 Rg8 30.Rxg8 Qxg8 31.b4 Ncd7 32.Kb2 Qg5 33.Qh3 Nf8 34.h6 Qg8²]
29.Nxe6! [29.Bg4!? △N×e6 29...Nd8 30.Nxe6 Nxe6 31.Nd5+ Kf7 32.Bf5 △B×e6 32...Qh6 33.Bxe6+ Kxe6 34.Qh3+ Kf7 35.Qxd7++–]
29...Kxe6 30.Bg4+ [30.Qa7 Nc5 31.Bg4+ Ke7 32.Nd5+ Kf8 33.Nxf6 Qh6 34.Qb8+ Kg7 35.Ne8+ Kg8 36.Rg1+–]
30...Ke7 31.Qa7 Nd8 32.Nd5+ Kf8 33.Nxf6 Nxf6 34.Rxf6+ Ke8 35.Rxd6 Qxe4 36.Qb6 Qe1+ 37.Rd1 Qe7 38.Qg6+ Nf7 39.Rd7 Qe1+ 40.Ka2 1–0
[28...Nc5! would be correct: 29.Rg1 Rg8 30.Rxg8 Qxg8 31.b4 Ncd7 32.Kb2 Qg5 33.Qh3 Nf8 34.h6 Qg8²]
29.Nxe6! [29.Bg4!? △N×e6 29...Nd8 30.Nxe6 Nxe6 31.Nd5+ Kf7 32.Bf5 △B×e6 32...Qh6 33.Bxe6+ Kxe6 34.Qh3+ Kf7 35.Qxd7++–]
29...Kxe6 30.Bg4+ [30.Qa7 Nc5 31.Bg4+ Ke7 32.Nd5+ Kf8 33.Nxf6 Qh6 34.Qb8+ Kg7 35.Ne8+ Kg8 36.Rg1+–]
30...Ke7 31.Qa7 Nd8 32.Nd5+ Kf8 33.Nxf6 Nxf6 34.Rxf6+ Ke8 35.Rxd6 Qxe4 36.Qb6 Qe1+ 37.Rd1 Qe7 38.Qg6+ Nf7 39.Rd7 Qe1+ 40.Ka2 1–0