MESON Chess Problem Database

Problem Display
PID: 255330 (7Q/3K4/8/1B6/1k1N4/1P6/1R6/8 w - - 0 1)

Piliczewski, Bogusz

Kudesnik, 2021

7Q/3K4/8/1B6/1k1N4/1P6/1R6/8

#2

6 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Sc2#
    • 1...Kc3
      • 2.Sc6#
  • Tries
    • 1.Kc6?
      • 1...Ka3
        • 2.Sc2#
      • 1...Ka5
        • 2.b4#
      • 1...Kc3!
    • 1.Kd6?
      • 1...Ka3
        • 2.Sc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Ka5!
    • 1.Kc7?
      • 1...Ka3
        • 2.Sc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Ka5
        • 2.b4#
      • 1...Kc5!
    • 1.Rc2?
      • 1...Ka3
        • 2.Qf8#
      • 1...Ka5!
    • 1.Qe5?
      • 1...Ka3
        • 2.Sc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Ka5!
    • 1.Qh6?
      • 1...Kc3
        • 2.Qd2#
      • 1...Ka5
        • 2.b4#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ka3!
  • Keys
    • 1.Qf6!
      • 1...Ka3
        • 2.Sc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Ka5
        • 2.b4#
      • 1...Kc5
        • 2.Qd6#

This is after 10518

FEATURES

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