BDS
The Problemist, 1985
#2
LEO a6
PAOs b6, c8; f1, h3
VAO f6
1.Kxd5! () 1...PAd1+ 2.Sd4# 1...LEa5+ 2.Sc5# 1...LEa8+ 2.PAc6# 1...LEa2+ 2.Sc4# 1...LExc8 2.Rxc8# 1...LE else 2.PAc6, Sc5, Sc4# 1...PAh any, g2 2.Re3# 1...PAf~ on file 2.Sb1# 1...PAf3 2.Sb1, Re3# 1...PAe1 2.Re5# 1...PAf else 2.Re5, Sd4#
The white king walks into 4 checks. I was persuaded at the time that the several duals in the by-play didn’t matter. These days I am not so sure.
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