Rooks mate
I'm sure in an actual game I would simply play Rad7+ take the knight on the next move and mate in a couple more, but still a cute puzzle to deliver mate in two.
Numerous moves for Black (four). The N can go to either 8th ranked square or the King can move to either 8th ranked square defended by the N.
Rhg7 is pretty slick though. I would have gone for the obvious, but inelegant mate in five, taking the N out first.
that is pretty slick! I think a majority of people would have gone for the obvious and passed up the mate in two!
Of course in this position there are a few ways for white to win. Each one of them can show us a little something about how the pieces move. There is no bonus prize for mating quickly in a game, but finding short solutions to puzzles can have good instructive value. The puzzle solution is clever.
Eli's mate in 3 is also a good find. Showing that there is more than one way to skin a cat.
this one is too well known - but I'm sure that when I first saw it [35 years ago] - I must have been delighted... -/
this one aught to be as well-known as philidor's mate. Somehow, novice books do not cover the two-Rs-on-seventh theme thoroughly enough.
Actually, one should exert oneself to make up one's own practice-problems.
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