MESON Chess Problem Database

Problem Display
PID: 38618 (k1K1R3/2pR4/8/1N6/2r5/8/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

k1K1R3/2pR4/8/1N6/2r5/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ra4
      • 2.Kxc7#
    • 1...Rb4
      • 2.Kxc7#
    • 1...Rd4
      • 2.Kxc7#
    • 1...Rf4
      • 2.Kxc7#
    • 1...Rg4
      • 2.Kxc7#
    • 1...Rh4
      • 2.Kxc7#
    • 1...c5
      • 2.Kc7#
      • 2.Ra7#
    • 1...c6
      • 2.Kc7#
      • 2.Ra7#
  • Keys
    • 1.Rxc7!
      • threat
        • 2.Kd7#
      • 1...Rxc7+
        • 2.Kxc7#
      • 1...Rd4
        • 2.Ra7#
      • 1...Re4
        • 2.Ra7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(a);::R(D)+K(C),XP(b)
  • Actual
    • R(B);P_SPINR(B),XP(b)
    • Threat
      • R(D)+K(C)
    • Vars
      • R(a);CHECK,XR(B)::R(D)+K(C),XR(a)
      • R(a);N_PINR(B)::R1(B)
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Developed and maintained by Brian Stephenson.
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