MESON Chess Problem Database

Problem Display
PID: 256452 (8/3k4/3P3K/Q7/8/B7/4B3/8 w - - 0 1)

Chivu, Nicolae

Buletin Problemistic, 1985

8/3k4/3P3K/Q7/8/B7/4B3/8

#2

5 + 1

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb5#
    • 1...Kc8
      • 2.Qc7#
  • Tries
    • 1.Kg5?
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8!
    • 1.Kg6?
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Bg4#
        • 2.Qf5#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8!
    • 1.Bd3?
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8!
    • 1.Bc4?
      • 1...Kc6
        • 2.Qc7#
        • 2.Qb5#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8!
    • 1.Bb5+?
      • 1...Kc8
        • 2.Qc7#
        • 2.Qa8#
      • 1...Ke6!
    • 1.Qc7+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Ke6!
  • Keys
    • 1.Kg7!
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Bg4#
      • 1...Kc8
        • 2.Qc7#
      • 1...Ke8
        • 2.Bb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAB1(C)
    • K(a);N_GUARD,S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(C)
        • K(a);N_GUARD,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(C)
        • K(a);N_GUARD,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(C)
        • K(a);N_GUARD,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(C)
      • K(a);N_GUARD,S_FLIGHT::B(A)
      • K(a);N_GUARD,S_FLIGHT::QAR1(C)
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