Gerald Sladek ✝, Schach-Echo 1957
Position: 8/1K6/8/6R1/kn1N4/8/p7/1N6 w - - 0 1
mate in 4 Black:  Ka4, Nb4, a2 White:  Kb7, Rg5, Nd4, Nb1	Solution:  Click to see solution below