Interesting position

Jun 26, 2009, 8:41 AM |

This position was reached after exactly 4 moves of both parties (=8 semi-moves). Can u find out how?

Remark: it is easy to reach the position after 3 or 5 complete moves, but to reach it after 4 moves makes the past of this position a riddle.


Tibor Orban, Die Schwalbe 1976