MESON Chess Problem Database

Problem Display
PID: 108444 (6k1/6P1/6R1/8/5K1R/8/8/8 w - - 0 1)

Holm, Karl Helmer

Stella Polaris, 1968

6k1/6P1/6R1/8/5K1R/8/8/8

#2

4 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rhg4?
      • 1...Kh7
        • 2.g8Q#
      • 1...Kf7!
  • Keys
    • 1.Rh7!
      • 1...Kf7
        • 2.g8Q#
        • 2.g8R#
      • 1...Kxh7
        • 2.g8Q#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);OGATE,S_FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(B);
    • Vars
      • K(a);OGATE,S_FLIGHT::P=Q
      • K(a);OGATE,S_FLIGHT,XR(B)::P=Q
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