G.H. Drese, versie J.A. CoelloProbleemblad 1972 1.P×c4! [2.Pa5,Pd6‡] 1…Txb7 2.Da1‡ 1…Ta8 2.bxa8D‡ 1…g1D+ 2.Pe3‡ 1…g1P 2.b8P‡ Wit geeft mat in 2 zetten