2 | An attacked piece is taken if the capture cannot
3 | be prevented with non-capturing moves.
6 This is the Allmate1 variant, with a weaker mating condition:
7 capturing moves to escape from checkmate are not considered.
8 (Mate-)Capturing is thus easier: on the next diagram, 1.Qe6 captures
9 the d7, e7 and f7 pawns.
11 figure.diagram-container
13 | fen:4k3/pppppppp/8/8/4Q3/8/PPP2PPP/4K3:
15 | fen:4k3/ppp3pp/4Q3/8/8/8/PPP2PPP/4K3:
16 figcaption Before and after 1.Qe6X
18 p Since captures are much easier, they don't cascade as in Allmate1.
22 p See Allmate1 variant.