MESON Chess Problem Database

Problem Display
PID: 138979 (3bb3/2pp4/4k1N1/3R1R2/2B2P2/2B5/K7/8 w - - 0 1)

Neale, Harry R

The Problemist, 1936

3bb3/2pp4/4k1N1/3R1R2/2B2P2/2B5/K7/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Rxf6#
  • Keys
    • 1.Rf7!
      • threat
        • 2.Rdxd7#
      • 1...Kxf7
        • 2.Rd6#
      • 1...Bxf7
        • 2.f5#
      • 1...Bf6
        • 2.Rxf6#
      • 1...Be7
        • 2.Rxe7#
      • 1...d6
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::R1(F),XB(d)
  • Actual
    • R(F);
    • Threat
      • B(C)+R(E),XP(c)
    • Vars
      • K(a);S_FLIGHT,XR(F)::B(C)+R(E)
      • B(e);SBLOCK,XR(F)::P(D)
      • B(d);N_GUARD::R1(F),XB(d)
      • P(c);SBLOCK::B(C)+R(E),DCHECK
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