| be prevented with non-capturing moves.
p.
- This is exactly the Allmate1 variant, with a weaker mating condition:
+ This is the Allmate1 variant, with a weaker mating condition:
capturing moves to escape from checkmate are not considered.
(Mate-)Capturing is thus easier: on the next diagram, 1.Qe6 captures
the d7, e7 and f7 pawns.
| fen:4k3/ppp3pp/4Q3/8/8/8/PPP2PPP/4K3:
figcaption Before and after 1.Qe6X
+p Since captures are much easier, they don't cascade as in Allmate1.
+
h3 Source
p See Allmate1 variant.