This problem of Sam Loyd is reproduced from Alain White's first Christmas book "Roi accule aux angles". I am not providing the solution of the two-mover puzzle this time. To solve it, there are two approaches. One is to note the name of the composer. Sam Loyd has the reputation of a great prankster. The last move you are likely to think of will be the key. Obviously, I solved this problem at a glance. Clue: Despite the overwhelming force available to white, his forces are tripping in each other's path. You need grand open spaces to mate, even to mate a king in a corner!
Rg2? is an interesting try but it fails. Black has two moves both of which defend against Qh8 mate and the threat of discovery by the king. 1..Qa8! keeps the defense of h8 and eyes the queen on a1, Notably 2.bxa8=Q is not even check with the rook on g2.... 1...Qc8 also works (since Her Royal Highness can interpose on c1)
The above should clue you to the key.
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