Cycle of promotions

Two pawns of one or both sides are cyclically promote to three or four different pieces.

See also: Exchange of promotions; Changed promotions; Promotion.

Husserl, Gideon

Die Schwalbe, 1974

3rd HM

Example: Cycle of promotions
h#4 3.1... (2+3)

1.g1=S+ Kh4 2.Kg2 Sd3 3.Kh1 Kg3 4.f1=B Sf2#
1.g1=R Kh4 2.Kg2 Sd3 3.Kh1 Kh3 4.f1=S Sf2#
1.g1=B Kh4 2.Kg2 Se2 3.Kh1 Kh3 4.f1=R Sg3#

View in Helpmate Analyzer

FEN: 8/8/8/8/8/5k1K/5pp1/2N5

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