MESON Chess Problem Database

Problem Display
PID: 263125 (6B1/3K3Q/8/8/3k3N/N7/8/2B5 w - - 0 1)

Piliczewski, Bogusz

Prize, SuperProblem, 2021

6B1/3K3Q/8/8/3k3N/N7/8/2B5

#2

6 + 1

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5+?
      • 1...Ke5
        • 2.Qf5#
        • 2.Qe7#
      • 1...Kc5!
    • 1.Qb1?
      • 1...Kc3
        • 2.Sb5#
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Sb1#
        • 2.Sb5#
        • 2.Qc4#
      • 1...Kc5
        • 2.Be3#
      • 1...Kxe4!
    • 1.Qg6?
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke5
        • 2.Sf3#
      • 1...Kc3!
    • 1.Qe7?
      • threat
        • 2.Qe3#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kc3!
    • 1.Qf7?
      • 1...Kc3
        • 2.Qc4#
      • 1...Kd3
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd5#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kc5!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qe3#
      • 1...Kc3
        • 2.Qd2#
      • 1...Kd3
        • 2.Qe3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::S(B)
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • K(a);P-FLIGHT::QAR1(E)
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