MESON Chess Problem Database

Problem Display
PID: 45743 (4B3/2k1PR2/3N1B2/1R2K3/8/8/8/7b w - - 0 1)

Rice, John Michael

The Problemist Supplement, 2002

4B3/2k1PR2/3N1B2/1R2K3/8/8/8/7b

#2

7 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Bb7
      • 2.Rxb7#
  • Tries
    • 1.Bc6?
      • threat
        • 2.e8Q#
        • 2.e8B#
      • 1...Kxc6
        • 2.e8Q#
        • 2.e8B#
      • 1...Bg2
        • 2.e8Q#
        • 2.e8B#
      • 1...Bf3
        • 2.e8Q#
        • 2.e8B#
      • 1...Be4
        • 2.e8Q#
        • 2.e8B#
      • 1...Bd5!
  • Keys
    • 1.Bd7!
      • threat
        • 2.e8S#
      • 1...Kxd7
        • 2.e8Q#
        • 2.e8B#
      • 1...Bb7
        • 2.Rxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R1(A),XB(a)
  • Tries
    • Try
      • B(G);
      • Threat
        • P=Q
      • Vars
        • K(b);P-FLIGHT,XB(G)::P=Q
        • B(a);::P=Q
      • Refutation
        • B(a);
  • Actual
    • B(G);
    • Threat
      • P=S
    • Vars
      • K(b);P-FLIGHT,XB(G)::P=Q
      • B(a);N_GUARD::R1(A),XB(a)
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