MESON Chess Problem Database

Problem Display
PID: 233015 (8/6Q1/2P1k3/8/3P3P/2K4P/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2009

8/6Q1/2P1k3/8/3P3P/2K4P/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qd7#
  • Tries
    • 1.Kc4?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kf5!
    • 1.Qf7+?
      • 1...Kd6
        • 2.Qd7#
      • 1...Kxf7!
    • 1.h5?
      • 1...Kf5
        • 2.Qe5#
      • 1...Kd6
        • 2.Qd7#
      • 1...Kd5!
  • Keys
    • 1.Kd3!
      • 1...Kd5
        • 2.Qd7#
      • 1...Kf5
        • 2.Qf7#
      • 1...Kd6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
    • Try
      • P(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(F)
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR2(F)
      • K(a);P-FLIGHT::QAR1(F)
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