MESON Chess Problem Database

Problem Display
PID: 22074 (5K2/8/1N6/4k3/7N/8/3Q4/8 w - - 0 1)

Hoeg, Nils

Chess Amateur (The), 1924

5K2/8/1N6/4k3/7N/8/3Q4/8

#2

4 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984
136 Problem Observer 2002
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4+?
      • 1...Ke6
        • 2.Qd6#
      • 1...Kf6
        • 2.Qh6#
      • 1...Ke4!
    • 1.Qe3+?
      • 1...Kf6
        • 2.Sd5#
        • 2.Sd7#
        • 2.Qe7#
      • 1...Kd6!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Sd7#
        • 2.Qf5#
      • 1...Kf4!
  • Keys
    • 1.Qb4!
      • 1...Ke6
        • 2.Qe7#
      • 1...Kf6
        • 2.Qe7#

This anticipates 176191(1969)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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