Black to move
Korchnoi offers the interesting line leading to checkmate: 30...Rxd3 31. Rxd3 Nb6+ 32.Ka5 Nc4+ 33.Ka4 b5#.
In the game itself, Nunn resigned after Black's move 34.
0
Mating Net
This position arises in the annotations to Nunn -- Korchnoi, Luzerne 1985 (Chess Informant 40/360). In the game itself, Nunn refused Korchnoi's offer of a bishop on a4. This position is one of several that might have arisen if he had taken the bishop.
Korchnoi offers the interesting line leading to checkmate: 30...Rxd3 31. Rxd3 Nb6+ 32.Ka5 Nc4+ 33.Ka4 b5#.
In the game itself, Nunn resigned after Black's move 34.
Korchnoi offers the interesting line leading to checkmate: 30...Rxd3 31. Rxd3 Nb6+ 32.Ka5 Nc4+ 33.Ka4 b5#.
In the game itself, Nunn resigned after Black's move 34.