1.Aa7 h1=D [ =1...Tb5 2.Tc1 Txb7 3.Ta1+ Rb5 4.Rxb7 Txg7=; =1...Txg7 2.Tc1 Tg8+ 3.b8=D Txb8+ 4.Rxb8=] 2.b8=C+! Rb5 3.Tb7+ Ra4 4.g8=D Txg8= ½–½