MESON Chess Problem Database

Problem Display
PID: 86891 (2R5/6P1/2B5/8/4K1R1/8/7r/7k w - - 0 1)

Koshelenko, Valery Fedotovich

Kukin, Gennady

Chepizhni-60 JT (Kudesnik), 1994

2R5/6P1/2B5/8/4K1R1/8/7r/7k

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh8
      • 2.Rxh8#
      • 2.gxh8Q#
      • 2.gxh8R#
  • Keys
    • 1.Rh8!
      • threat
        • 2.Kd3#
        • 2.Ke3#
        • 2.Kd4#
        • 2.Kf4#
        • 2.Ke5#
        • 2.Kf5#
      • 1...Rxh8
        • 2.gxh8Q#
        • 2.gxh8R#
      • 1...Rh3
        • 2.Rxh3#
      • 1...Rh4
        • 2.Rhxh4#
      • 1...Rh5
        • 2.Rxh5#
      • 1...Rh6
        • 2.Rxh6#
      • 1...Rh7
        • 2.Rxh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(E);P_PINR(b)
    • Threat
      • DUALS(6)
    • Vars
      • R(b);N_SPINR(b),OGATE,XR(E)::PXR(b)=Q
      • R(b);OGATEB::R(E),XR(b)
      • R(b);OGATEB,P_PINR(B)::R(E),XR(b)
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