agb2002: White has a bishop for a knight and two pawns.
Black threatens Rxe5.
White has Rh6+, Bxg7+ and Rc7.
In the case of 36.Rh6+ Kg8 37.Bxg7 Ng3+ 38.fxg3 (38.Kg1 Re1+ 39.Kh2 Nf1+ 40.Kg(h)1 Ng3+ with perpetual check) 38... Qf5+ 39.Kg1 Kxg7, unclear.
In the case of 36.Rc7 Qe6 with the double threat Ng3+ and Qxb5.
In the case of 36.Bxg7+:
A) 36... Qxg7 36.Rh6+ Kg8 37.Rg6, winning the queen and ready to attack the scattered black forces, looks very good for White.
B) 36... Kxg7 37.Rc7 looks similar to A.
C) 36... Kg8 37.Rg6 (37.Rh6 Ng3+ as above)
C.1) 37... Nf4 38.Be5+
C.1.a) 38... Nxg6 39.Qxg6+ Kf8 40.Qh6+ Kg8 (40... Ke7 41.Qf6#; 40... Kf7 41.Qg7+ Ke6 42.Qf6#) 41.Qh8+ Kf7 42.Qg7+ Ke6 43.Qf6#.
C.1.b) 38... Kf7 39.Qf6#.
C.1.c) 38... Kf8 39.Qf6+ Qf7 40.Rg8+ Kxg8 41.Qh8#.
C.1.d) 38... Kh7 39.Rh6+ Kg8 40.Rh8+ Kf7 41.Qf6#.
C.2) 37... Kh7 38.Rh6+ Kg8 (38... Kxg7 39.Qf6+ Kg8 40.Rh8#) 39.Rh8+ Kxg7 (39... Kf7 40.Qf6#) 40.Qh6+ Kf7 41.Rh7+ Kg8 42.Qg6+ Kf8 43.Qf6+ and 44.Rh8#.
C.3) 37... Qxg7 38.Rxg7+ Kxg7 39.Qxa6 as in A.
C.4) 37... Ng3+ 38.Rxg3 just loses the knight.
C.5) 37... Kf7 38.Qf6+ and mate follows.
C.6) 37... Qf7 38.Bf6+ Kf8 39.Qd6+ Re7 40.Bxe7+ Qxe7 41.Rg8+ wins.
D) 36... Kh7 37.Rh6+ as in C.1.