It’s Your Move: daily chess puzzle # 190

Black to play and win

AN Other v Mart, Natanya 1967

Solution

1…e3 is a natural disruptive biff, breaking the connection of the Bf4 and Rd2. 2 Be3 is easy: 2…Be3 and 3 Qd2+ 0-1; 2 fe is prettier: 2…Bb2+

3 Rb2 Qd1+!

4 Rd1[] Rd1+ 5 Kc2[] R8d2 mate.