MESON Chess Problem Database

Problem Display
PID: 239196 (8/2QP4/8/8/3K1PkN/8/8/4B3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Problemist Pribuzhya, 1990

8/2QP4/8/8/3K1PkN/8/8/4B3

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qa5?
      • threat
        • 2.Qf5#
      • 1...Kxf4
        • 2.Qf5#
      • 1...Kh3!
    • 1.Qd6?
      • 1...Kh5
        • 2.Qg6#
      • 1...Kh3!
    • 1.Qc3?
      • threat
        • 2.Qf3#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Kh5!
    • 1.Qc5?
      • threat
        • 2.Qf5#
      • 1...Kxf4
        • 2.Qf5#
      • 1...Kh3!
    • 1.Qc6?
      • threat
        • 2.Qf3#
      • 1...Kh3
        • 2.Qg2#
      • 1...Kh5
        • 2.Qg6#
      • 1...Kxf4!
    • 1.d8Q?
      • 1...Kh5
        • 2.Qg5#
      • 1...Kh3!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qf5#
      • 1...Kh3
        • 2.Qg2#
      • 1...Kxf4
        • 2.Qf5#
      • 1...Kh5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);P-FLIGHT,XP(C)::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
    • Try
      • P(F);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);S_FLIGHT::QAB1(E)
      • K(a);P-FLIGHT,XP(C)::QAR1(E)
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