MESON Chess Problem Database

Problem Display
PID: 10025 (1N1rkrB1/1P6/4P1N1/B7/8/8/3P4/2K1R3 w - - 0 1)

Szoghy, Jozsef

Problem (Zagreb), 1961

1N1rkrB1/1P6/4P1N1/B7/8/8/3P4/2K1R3

#2

9 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rd7
      • 2.exd7#
    • 1...Rc8+
      • 2.bxc8Q#
      • 2.bxc8R#
    • 1...Rf7
      • 2.Bxf7#
      • 2.exf7#
  • Keys
    • 1.e7!
      • threat
        • 2.exd8Q#
        • 2.exd8S#
        • 2.exd8B#
        • 2.exd8R#
        • 2.exf8Q#
        • 2.exf8S#
        • 2.exf8B#
        • 2.exf8R#
      • 1...Rc8+
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Rxb8
        • 2.exf8S#
      • 1...Rxg8
        • 2.exd8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);OGATE::R(B)+P(E)DCHECK,XR(a)
    • R(a);CHECK,OGATE::PXR(a)=Q
  • Actual
    • P(E);
    • Threat
      • DUALS(8)
    • Vars
      • R(a);CHECK,OGATE::PXR(a)=Q
      • R(a);XS(H)::PXR(c)=S
      • R(c);XB(I)::PXR(a)=S
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