MESON Chess Problem Database

Problem Display
PID: 245258 (8/8/5QP1/3kp3/8/KN6/4P3/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sa ogneupory, 1989

8/8/5QP1/3kp3/8/KN6/4P3/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qc6#
    • 1...Ke4
      • 2.Qf3#
  • Tries
    • 1.Ka4?
      • 1...Kc4
        • 2.Qc6#
      • 1...Ke4
        • 2.Qf3#
      • 1...e4!
    • 1.Kb4?
      • 1...Ke4
        • 2.Qf3#
      • 1...e4!
  • Keys
    • 1.g7!
      • 1...Kc4
        • 2.Qc6#
      • 1...Ke4
        • 2.Qf3#
      • 1...e4
        • 2.g8Q#
        • 2.g8B#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(D)
    • K(a);S_FLIGHT::QAB1(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • P(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • P(b);
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • K(a);S_FLIGHT::QAB1(D)
      • P(b);SBLOCK::P=Q
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