MESON Chess Problem Database

Problem Display
PID: 23163 (3K4/bp6/2k5/2P2Q2/8/1R6/8/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

3K4/bp6/2k5/2P2Q2/8/1R6/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc5
      • 2.Qd7#
    • 1...Bb6+
      • 2.Rxb6#
    • 1...Bb8
      • 2.Rb6#
  • Tries
    • 1.Rb5?
      • threat
        • 2.Qd7#
      • 1...Bb6+
        • 2.Rxb6#
      • 1...Kxb5!
  • Keys
    • 1.Rxb7!
      • 1...Bb6+
        • 2.Rxb6#
      • 1...Kxb7
        • 2.Qc8#
      • 1...Bxc5
        • 2.Qd7#
      • 1...Bb8
        • 2.Rb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK,XP(B)::QAB1(C)
    • B(b);CHECK,N_GUARD::R1(A),XB(b)
    • B(b);N_GUARD::R1(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • QAB1(C)
      • Vars
        • B(b);CHECK,N_GUARD::R1(A),XB(b)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
  • Actual
    • R(A);XP(c)
    • Vars
      • B(b);CHECK,N_GUARD::R1(A),XB(b)
      • K(a);S_FLIGHT,XR(A)::QAB1(C)
      • B(b);SBLOCK,XP(B)::QAB1(C)
      • B(b);N_GUARD::R1(A)
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