Black and White

orbán chess puzzle

Tibor Orbán offered this puzzle in Die Schwalbe in 1976. The position above can be reached in exactly 3 moves in several ways — for example:

1. e4 c6 2. Bb5 e6 3. Bxc6 dxc6
1. e4 e6 2. Bc4 c6 3. Bxe6 dxe6

How can it be reached in exactly 4 moves?

	Select Click for Answer
1. e4 e6 2. Bb5 Ke7! 3. Bxd7 c6 4. Be8 Kxe8. (Thanks, Jacques.)