MESON Chess Problem Database

Problem Display
PID: 38806 (kr6/1RBb4/2P5/K7/8/8/8/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

kr6/1RBb4/2P5/K7/8/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Ka6?
      • threat
        • 2.Ra7#
        • 2.Rxb8#
      • 1...Rxb7
        • 2.cxb7#
      • 1...Rc8
        • 2.Ra7#
      • 1...Rd8
        • 2.Ra7#
      • 1...Re8
        • 2.Ra7#
      • 1...Rf8
        • 2.Ra7#
      • 1...Rg8
        • 2.Ra7#
      • 1...Rh8
        • 2.Ra7#
      • 1...Bc8!
  • Keys
    • 1.Kb6!
      • threat
        • 2.Rxb8#
      • 1...Rxb7+
        • 2.cxb7#
      • 1...Rc8
        • 2.Ra7#
      • 1...Rd8
        • 2.Ra7#
      • 1...Re8
        • 2.Ra7#
      • 1...Rf8
        • 2.Ra7#
      • 1...Rg8
        • 2.Ra7#
      • 1...Rh8
        • 2.Ra7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • R(c);OGATE,XR(C)::P(B),XR(c)
        • R(c);::R1(C)
        • R(c);SBLOCK::R1(C)
      • Refutation
        • B(a);P_PINR(C)
  • Actual
    • K(A);P_SPINR(C),S_FLIGHT
    • Threat
      • R1(C),XR(c)
    • Vars
      • R(c);CHECK,OGATE,XR(C)::P(B),XR(c)
      • R(c);N_PINR(C)::R1(C)
      • R(c);N_PINR(C),SBLOCK::R1(C)
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