MESON Chess Problem Database

Problem Display
PID: 47667 (k4K2/8/1Q6/8/N1P5/7R/2b5/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

k4K2/8/1Q6/8/N1P5/7R/2b5/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • threat
        • 2.Qa5#
        • 2.Qa6#
        • 2.Qb7#
        • 2.Qb8#
      • 1...Be4
        • 2.Qa5#
        • 2.Qa6#
        • 2.Qb8#
      • 1...Bxb3!
    • 1.Rh7?
      • threat
        • 2.Ra7#
        • 2.Qa7#
        • 2.Qd8#
        • 2.Qb7#
      • 1...Bf5
        • 2.Ra7#
        • 2.Qa7#
        • 2.Qb7#
      • 1...Be4
        • 2.Ra7#
        • 2.Qa7#
        • 2.Qd8#
      • 1...Bxh7!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qb7#
      • 1...Be4
        • 2.Ra3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(4)
      • Refutation
        • B(a);XR(A)
    • Try
      • R(A);
      • Threat
        • DUALS(4)
      • Refutation
        • B(a);XR(A)
  • Actual
    • S(B);
    • Threat
      • QAB1(D)
    • Vars
      • B(a);N_GUARD::R(A)
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