Source: see below.
This ending, from an undated tournament game between Alexander Macht (White) and Moshe Blass is given by Moshe Czerniak in his Book of Chess, p. 77. The annotations are Czerniak's, illustrating the issue of a critical square:
1.Bxg6+ fxg6 2.Qxg6+ Kh8 3.Nf5 Bd4!
This move seem to stop White's attack. After 4.Nxh6 Rxe1+ 5.Rxe1 Rf8 6.Nf7+ Rxf7 7.Qxf7 Qxg3+, White will have to work hard to draw.
4.Re5!
The winning move. If 4...Bxe5 3.Rd7 and mate in a few moves. If 4...Rxe5?? 5.Qxg7#. The fatal critical square e5 decided the game.
4...Ne6 5.Rxd4! cxd4 6.Rxe6 Black resigned (0-1).

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