Study 24c

P. Heuacker
Der Tagesspiegel
1960

White wins

1. bxa8=N! 1. bxa8=Q? b1=Q+! 2. Kxb1 Bg6+ 3. Kc1 Be4! 4. Qxe4 stalemate; 1. bxa8=B? Bf3! 2. Bxf3 b1=Q+ 3. Kxb1 stalemate; 1.bxa8=R? Bf3 = 1... Bf3 2. Nb6/Nc7 +-

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Related studies: Study 24