MESON Chess Problem Database

Problem Display
PID: 5957 (8/P1P5/8/k7/2K5/8/8/8 w - - 0 1)

Hoeg, Nils

Aftonbladet, 1926

8/P1P5/8/k7/2K5/8/8/8

#2

3 + 1

4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.a8Q#
      • 2.a8R#
  • Tries
    • 1.Kc5?
      • threat
        • 2.a8Q#
        • 2.a8R#
      • 1...Ka6
        • 2.a8Q#
      • 1...Ka4!
    • 1.c8Q?
      • 1...Ka4
        • 2.Qa6#
        • 2.a8Q#
        • 2.a8R#
      • 1...Kb6!
    • 1.c8B?
      • 1...Ka4
        • 2.a8Q#
        • 2.a8R#
      • 1...Kb6!
  • Keys
    • 1.c8S!
      • threat
        • 2.a8Q#
        • 2.a8R#
      • 1...Ka4
        • 2.a8Q#
        • 2.a8R#
      • 1...Ka6
        • 2.a8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::P=Q
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • P=Q
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(C);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);
    • Threat
      • P=Q
    • Vars
      • K(a);P-FLIGHT::P=Q
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