(1) R-g3 P-g6
(2) Qxh7+ Kxh7
(3) R-h3+ K-g8
(4) R-h8+

Black could have prolonged the agony one move by interposing his
Queen on h4 on the third move.

+---------------------------------------+
8 | | | #R | | | | #K | |
|---------------------------------------|
7 | #P | #P | #R | | #Q | #P | #P | #P |
|---------------------------------------|
6 | | | #Kt| | #P | | | |
|---------------------------------------|
5 | | | | #P | | | | ^Q |
|---------------------------------------|
4 | | | | | | ^P | | |
|---------------------------------------|
3 | | ^P | | | ^P | ^R | | |
|---------------------------------------|
2 | ^P | ^B | ^P | | | | ^P | ^P |
|---------------------------------------|
1 | ^R | | | | | | ^K | |
+---------------------------------------+
a b c d e f g h

DIAGRAM 33

In the position of Diagram 34 White institutes a mating attack by