Correct answer: e3-e4 1.e3-e4 ! danger: 2.f4-f5 # 2.d4-d5 # 1...Qb1*e4 2.d4-d5 + 2...Qe4*d5 3.f4-f5 # 1...Qb1-d3 2.f4-f5 #
