23rd March 2020

Selected by Michael McDowell

Valery Gurov

2nd Prize, 15th Birnov MT, 2000

ssb4b/2Sp1p2/rrS5/2kB4/6K1/1p1pp3/2P5/4q3

Helpmate in 2 (b-d see notes)

A four-part helpmate with very unusual twinning. First solve the diagram. Then in the final position replace the mating piece on its initial square to obtain the starting position of part b). Repeat the procedure twice more to obtain the starting positions of parts c) and d).