MESON Chess Problem Database

Problem Display
PID: 271718 (4K1Q1/8/B5N1/5k2/5P2/8/6P1/8 w - - 0 1)

Petrasinovic, Petrasin

Comm., Kudesnik, 2023

4K1Q1/8/B5N1/5k2/5P2/8/6P1/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qf7#
  • Tries
    • 1.Be2?
      • 1...Kf6
        • 2.Qf7#
      • 1...Ke4!
    • 1.Bd3+?
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Bb7?
      • 1...Kf6
        • 2.Qf7#
      • 1...Kg4!
    • 1.Bc8+?
      • 1...Kf6
        • 2.Qf7#
      • 1...Ke4!
    • 1.Qb3?
      • 1...Ke4
        • 2.Qd3#
      • 1...Kg4
        • 2.Qh3#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kxg6!
    • 1.Qd5+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Kf6
        • 2.Qf7#
      • 1...Kxg6!
    • 1.Qg7?
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6
        • 2.Qe5#
      • 1...Kg4!
  • Keys
    • 1.Qh8!
      • 1...Ke4
        • 2.Qe5#
      • 1...Kg4
        • 2.Qh3#
      • 1...Ke6
        • 2.Qe5#
      • 1...Kxg6
        • 2.Bd3#

FEATURES

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