MESON Chess Problem Database

Problem Display
PID: 178203 (5Q2/RP6/2k5/5K2/8/8/5N2/8 w - - 0 1)

Kozhakina, Alena Vladimirova

Vratnica-64, 2004

5Q2/RP6/2k5/5K2/8/8/5N2/8

#2

5 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.b8S#
  • Tries
    • 1.Sd3?
      • 1...Kb5
        • 2.Qc5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Kb6
        • 2.Qc5#
      • 1...Kd7
        • 2.b8S#
      • 1...Kc7!
    • 1.Qc5+?
      • 1...Kd7
        • 2.b8Q#
        • 2.b8R#
      • 1...Kxc5!
  • Keys
    • 1.Se4!
      • 1...Kb5
        • 2.Qc5#
      • 1...Kd5
        • 2.Qc5#
      • 1...Kb6
        • 2.Qc5#
      • 1...Kc7
        • 2.Qd6#
      • 1...Kd7
        • 2.b8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::P=S
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::P=S
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