L.A. Times Problem No. 215 by S. Mlotkowski, Camden, N.J., Brooklyn Eager, March, 1930. White mates in two.
FEN 6RK/1N2nkBn/1bp1rpp1/2pr4/5N2/1B6/8/Q7 w - - 0 1
Key: Q-K/Qe1
L.A. Times Problem No. 216 by A.C. Challenger, London, England. Best Three-er, Daily News, 1924.
FEN 8/1N6/K2B1P2/1p3B2/3k1p2/P6p/2Rp1P1b/3r2n1 w - - 0 1
Key: N-R5/Na5
If R-K8; 2. RxPch; If K-Q4; 2. R-B5ch; If P-B6; 2. R-B5. Some overlooked the variation B-N6 forcing 2. R-B3! Some of our best solvers sent in 1. R-B5, overlooking R-K8; 2. N-R5 R-K5! The Black pawn at h3 is to stop N-R6 threatening NxP protecting d3.