MESON Chess Problem Database

Problem Display
PID: 180658 (1KN4R/1R6/k5r1/p7/8/8/8/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2017

1KN4R/1R6/k5r1/p7/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Rb6#
    • 1...Rg2
      • 2.Rb6#
    • 1...Rg3
      • 2.Rb6#
    • 1...Rg4
      • 2.Rb6#
    • 1...Rg5
      • 2.Rb6#
    • 1...Rb6
      • 2.Rxb6#
    • 1...Rh6
      • 2.Rxh6#
    • 1...Rg7
      • 2.Rb6#
    • 1...Rg8
      • 2.Rb6#
  • Keys
    • 1.Rh5!
      • threat
        • 2.Ra7#
      • 1...Rg5
        • 2.Rb6#
      • 1...Rb6
        • 2.Rxb6#
      • 1...Rg7
        • 2.Rb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • R(c);N_GUARD::R1(A)
    • R(c);N_GUARD,P_PINR(A)::R1(A),XR(c)
    • R(c);OGATEB::R(D),XR(c)
    • R(c);N_GUARD,P_PINS(C)::R1(A)
  • Actual
    • R(D);
    • Threat
      • R1(A)
    • Vars
      • R(c);N_GUARD::R1(A)
      • R(c);N_GUARD,P_PINR(A)::R1(A),XR(c)
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