MESON Chess Problem Database

Problem Display
PID: 22205 (4k3/2P3P1/6P1/4K3/8/8/8/8 w - - 0 1)

Grevlund, Per

Schmidt, Leif Carl

DSK, 1974

4k3/2P3P1/6P1/4K3/8/8/8/8

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.g8Q+?
      • 1...Ke7
        • 2.Qf7#
        • 2.Qd8#
      • 1...Kd7!
  • Keys
    • 1.c8Q+!
      • 1...Ke7
        • 2.g8S#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(C);CHECK
    • Vars
      • K(a);P-FLIGHT::P=S
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