MESON Chess Problem Database

Problem Display
PID: 227493 (8/2k1K2P/Q7/8/8/8/8/8 w - - 0 1)

Hoeg, Nils

Aftonbladet, 1926

8/2k1K2P/Q7/8/8/8/8/8

#2

3 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb6+?
      • 1...Kc8
        • 2.h8Q#
        • 2.h8R#
      • 1...Kxb6!
    • 1.Qa7+?
      • 1...Kc8
        • 2.h8Q#
        • 2.h8R#
      • 1...Kc6!
  • Keys
    • 1.h8B!
      • 1...Kb8
        • 2.Be5#

FEATURES

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