L.A. Times Problem No. 382 by H. Steiner, 1923. White mates in two.
FEN 3q1R2/3pn3/1r3Q2/1p1pp3/1P1k3N/2NP1pp1/3K3b/7b w - - 0 1
Key: R-N8/Rg8
In order to help those who sent in wrong solutions I shall show the defense to their moves.
QxBP and Q-KN5 would be answered by P-K5! QxN and Q-B5 by QxR! RxQ by P-Q3! N-K2ch by PxN, and there would be no mate!
Problem No. 383 by N. Jones, Riverside. Composed by the Los Angeles Times. White mates in three.
FEN 8/2p3R1/2N3p1/2P3K1/P1k1N2Q/4p3/4p3/8 w - - 0 1
Key: Q-Rsq.