Kluver 10 theme
In a helpmate more-mover Black plays three ambush moves in the same line of play, each of which is followed by White gate-opening.
Sammelius, Carel Johan Robert
The Problemist, 1985
(corr. V. Paliulionis)
h#6 (2+10)
1.Bd2
Sxe4
2.Ba5
Sd6
3.Re6
Sxf5
4.Rb6
Sxg7
5.Qh7
Se6
6.Qa7
Sc5#
Three active ambushes.