MESON Chess Problem Database

Problem Display
PID: 277932 (3K1R2/6k1/5RP1/8/8/Q2B4/8/8 w - - 0 1)

Blistin, T

To Mat, 1953

3K1R2/6k1/5RP1/8/8/Q2B4/8/8

#2

6 + 1

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Tries
    • 1.R8f7+?
      • 1...Kg8
        • 2.Qf8#
      • 1...Kh8
        • 2.Qf8#
      • 1...Kh6!
    • 1.Re8?
      • threat
        • 2.Qf8#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kh6!
    • 1.Rg8+?
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kxg8
        • 2.Qf8#
      • 1...Kh6!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Qf8#
      • 1...Kxf6
        • 2.Qe7#
      • 1...Kxh8
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);N_GUARD,S_FLIGHT,XR(C)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT,XR(C)::QAB1(A)
        • K(a);P-FLIGHT,XR(F)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);N_GUARD,S_FLIGHT,XR(C)::QAB1(A)
      • K(a);S_FLIGHT,XR(F)::QAR2(A)
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