MESON Chess Problem Database

Problem Display
PID: 218170 (5krR/8/5K1R/8/8/8/8/8 w - - 0 1)

Parkhomenko, Nikolai A

Deutsche Schachzeitung, 1972

5krR/8/5K1R/8/8/8/8/8

#2

3 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh8
      • 2.Rxh8#
  • Tries
    • 1.Rh1?
      • 1...Rxh8
        • 2.Rxh8#
      • 1...Ke8!
    • 1.Rh2?
      • 1...Rxh8
        • 2.Rxh8#
      • 1...Ke8!
    • 1.Rh3?
      • 1...Rxh8
        • 2.Rxh8#
      • 1...Ke8!
    • 1.Rh4?
      • 1...Rxh8
        • 2.Rxh8#
      • 1...Ke8!
    • 1.Rh5?
      • 1...Rxh8
        • 2.Rxh8#
      • 1...Ke8!
  • Keys
    • 1.R6h7!
      • 1...Ke8
        • 2.Rxg8#
      • 1...Rxh8
        • 2.Rxh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
  • Tries
    • Try
      • R(B);
      • Vars
        • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);P-FLIGHT::R(C),XR(b)
      • R(b);N_SPINR(b),OGATE,XR(C)::R(B),XR(b)
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