MESON Chess Problem Database

Problem Display
PID: 219625 (8/8/7Q/8/4k2P/1B6/5P1K/8 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1978

8/8/7Q/8/4k2P/1B6/5P1K/8

#2

5 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe3#
    • 1...Kd4
      • 2.Qe3#
  • Tries
    • 1.Qf4+?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kxf4!
    • 1.Qg5?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Kf3!
  • Keys
    • 1.Kg3!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(E)
    • K(a);P-FLIGHT::QAB1(E)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAB1(E)
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