MESON Chess Problem Database

Problem Display
PID: 266846 (6KQ/8/P7/3k4/5P2/B7/4P3/8 w - - 0 1)

Koshel, Mikhail Igorevich

Kudesnik, 2022

6KQ/8/P7/3k4/5P2/B7/4P3/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qe5#
  • Tries
    • 1.Qc3?
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6!
    • 1.Qf6?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc4!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc4!
  • Keys
    • 1.Qh7!
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd4
        • 2.Qd3#
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAR1(F)
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(F)
        • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • K(a);N_GUARD,P-FLIGHT::QAR1(F)
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