MESON Chess Problem Database

Problem Display
PID: 240510 (8/B7/7K/6Q1/4k3/N7/8/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Smena, 1999

8/B7/7K/6Q1/4k3/N7/8/8

#2

4 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe3#
  • Tries
    • 1.Kg6?
      • threat
        • 2.Qf5#
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Kg7?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Kh7?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Bg1?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Bf2?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Bc5?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
    • 1.Bb6?
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3!
  • Keys
    • 1.Kh5!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • QAB1(B)
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
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