MESON Chess Problem Database

Problem Display
PID: 196877 (3K4/5PQ1/2b1k3/4pp2/3pp3/8/8/8 w - - 0 1)

Hoeg, Nils

Skakbladet, 1919

3K4/5PQ1/2b1k3/4pp2/3pp3/8/8/8

#2

3 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qg6#
  • Tries
    • 1.f8Q?
      • threat
        • 2.Qgf7#
        • 2.Qgg8#
      • 1...Kd5
        • 2.Qgf7#
        • 2.Qgg8#
      • 1...Be8!
  • Keys
    • 1.Qg8!
      • threat
        • 2.f8Q#
      • 1...Kd5
        • 2.f8Q#
        • 2.f8B#
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kf6
        • 2.f8Q#
        • 2.f8R#
      • 1...Be8
        • 2.fxe8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(e);SBLOCK::QAR2(B)
  • Tries
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Refutation
        • B(e);
  • Actual
    • Q(B);
    • Threat
      • P=Q
    • Vars
      • K(f);S_FLIGHT::P=Q
      • K(f);P-FLIGHT::P=Q
      • B(e);OGATE::PXB(e)=S
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