Correct answer: Bd5-a2 1.b2-b4 ? a4:b3 ep. 2.Bd5:b3 Ng5-e6 3.Bb3:e6 stalemate 1.Bd5-a2 ! a4-a3 2.b2-b4 Ng5-e6 3.La2:e6 a3-a2 4.Dd7-f7#
