1 ... R - K 1; 2 Q × P ch, K × Q; 3 R - R 3 ch, K - Kt 1; 4 R - R 8 mate.
This same type of combination may come as the result of a somewhat more complicated position.
Example 12.
White is a piece behind, and unless he can win it back quickly he will lose; he therefore plays:
| 1. Kt × Kt | B - Kt 4 |
He cannot take the Kt because White threatens mate by Q × P ch followed by R - R 3 ch.
| 2. Kt - K 7 ch | Q × Kt |
Again if B × Kt; Q × P ch, K × Q; R - R 3 ch, King moves; R - R 8 mate.