Chess Board
[ECO code C33]
(KGA:) Bryan C.G. - "Immortal Game" Var.
White's KB1(f1) king moved to K2(e2).
19..BxB: If Black's Bishop on QB4(c5) removes the White bishop on Q3(d6) (diagram) then White wins by exchanging bishops (for check) before forcing the KB-file open for a queen mate on KB8(f8). B-Alt.
     White  Black	Continuation:
 18. B-Q6!! QxR ch  20.	KtxB ch K-Q1
 19. K-K2   BxB	    21.	KtxP ch K-K1 fcd
		    22.	Kt-Q6 ch K-Q1
		    23.	Q-B8 mate

Example ends: Undo or Jump or Clear