MESON Chess Problem Database

Problem Display
PID: 47729 (k1NK4/qR6/P7/2p5/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

k1NK4/qR6/P7/2p5/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Qb6+
      • 2.Sxb6#
  • Keys
    • 1.Kc7!
      • threat
        • 2.Rxa7#
      • 1...Qb6+
        • 2.Sxb6#
      • 1...Qb8+
        • 2.Rxb8#
      • 1...Qxb7+
        • 2.axb7#
      • 1...Qxa6
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(b);CHECK,N_GUARD::S(C),XQ(b)
  • Actual
    • K(D);P_SPINR(B),S_FLIGHT
    • Threat
      • R1(B),XQ(b)
    • Vars
      • Q(b);CHECK,N_GUARD,N_PINR(B)::S(C),XQ(b)
      • Q(b);CHECK,N_PINR(B)::R1(B),XQ(b)
      • Q(b);CHECK,OGATE,XR(B)::P(A),XQ(b)
      • Q(b);N_PINR(B),XP(A)::R1(B)
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