A new if not unique KRNP vs knp chess puzzle created by a computer program, Chesthetica, using the approach known as the DSNS from the sub-field of AI, computational creativity. The program can compose problems that may otherwise take decades, centuries or even longer for human composers to think of, or to arise in a real game.
4K3/1n5k/R4P1N/8/8/8/3p4/8 w - - 0 1
Software: Analyze This (Pro)
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