MESON Chess Problem Database

Problem Display
PID: 55137 (kr6/1R6/8/8/8/K7/p6R/Q6B w - - 0 1)

Skrzek, Janusz

Comm., Troll, 1991

kr6/1R6/8/8/8/K7/p6R/Q6B

#2

5 + 3

5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rh8
      • 2.Rxh8#
      • 2.Qxh8#
  • Tries
    • 1.Rhb2?
      • 1...Rc8
        • 2.Rc7#
      • 1...Rd8
        • 2.Rd7#
      • 1...Re8
        • 2.Re7#
      • 1...Rf8
        • 2.Rf7#
      • 1...Rg8
        • 2.Rg7#
      • 1...Rh8
        • 2.Rh7#
      • 1...Rxb7!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Rc7#
        • 2.Rd7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rg7#
        • 2.Rbh7#
        • 2.Rhxb8#
      • 1...Rxh8
        • 2.Qxh8#
      • 1...Rc8
        • 2.Rxc8#
      • 1...Rd8
        • 2.Rxd8#
      • 1...Re8
        • 2.Rxe8#
      • 1...Rf8
        • 2.Rxf8#
      • 1...Rg8
        • 2.Rxg8#

Anticipated by 10517(1965)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • R(c);N_GUARD::B(B)+R(E)
      • Refutation
        • R(c);P_SPINR(c),XR(E)
  • Actual
    • R(C);P_PINR(c)
    • Threat
      • DUALS(7)
    • Vars
      • R(c);N_SPINR(c),OGATE,XR(C)::QAB1(A),XR(c)
      • R(c);OGATEB::R(C),XR(c)
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