Clear the Ramparts

Black to move and win: Highlight below to see answer

[
Cernin,A (2600) - Polgar,J (2540) New Delhi, 1990
22...Rxg2+!! 23.Rxg2 Bxh3 24.Ne4 [ 24.Bf5 Bxf5+ 25.Kg1 Bh3-+; 24.Kg1 Bxg2 25.Kxg2 Bxc3-+] 24...Ne5! 25.Nxe5 [ 25.Nxf6 Bg4+ 26.Kg1 Nxf3+ 27.Kf1 Qh1+ 28.Ke2 Nd4+-+] 25...Bxe5 26.Ng5 [ 26.f3 Bxg2+ 27.Kxg2 Rg8+ 28.Kf1 Qh1+ 29.Ke2 Rg2+ 30.Nf2 Rxf2+! 31.Kxf2 Bd4+ 32.Ke2 Qg2+ 33.Ke1 Qf2#] 26...Bxg2+ 27.Kxg2 Qxg5+ 28.Kf3 [ 28.Kf1 f3-+] 28...Rg8 29.Ke2 [ 29.Ke4 Qg6+ 30.Kf3 Qg4+ 31.Ke4 f3+ 32.Ke3 Qf4#] 29...f3+ [ 29...f3+ 30.Ke1 Bf4] 0-1
]