Originally posted by Fat Lady
I've had just two games (both as White) which ended with the Qh5-g6-h5# shuffle. It's definitely not something I would have worked out over the board if I hadn't seen it before, but because I particular like this mating pattern I spotted it straight away in both games.
In contrast, I must have pulled off Philidor's Legacy hundreds of times in blitz and s ...[text shortened]... es in which I nurture an early pawn advantage to a winning endgame forty or so moves later.
It has taken me over a week to fully appreciate what you are saying, but I think I have had the same feeling.
In the position above, the mate comes almost "out of the blue" because the position looks OK superficially.
With Philidor's Legacy (smothered mates), whenever I have had them, I was already winning and in the midst of an attack, and it was simply a way to finish. Almost all the time the other person also sees it, so it never actually happens.
When I first saw the pattern above, I was the victim, which is a valuable memory device.