B40 Sicilian Defense 1.e4 c5 2.Bc4 e6 3.Nf3 [>=3.Nc3 /\ f4] 3...Nc6 4.Ng5?? [4.Nc3 is best.] 4...Qxg5-+ Amazingly, this position has occurred 7x before. 5.d3 Qxg2 6.Ke2N Nd4+ 7.Kd2 Qxf2+ 8.Kc3 b5 9.Be3 b4# 0-1