MESON Chess Problem Database

Problem Display
PID: 10225 (8/1Bk5/8/8/1K3R2/6R1/7B/8 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Bilten, 1963

8/1Bk5/8/8/1K3R2/6R1/7B/8

#2

5 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Tries
    • 1.Rg7+?
      • 1...Kb6
        • 2.Bg1#
      • 1...Kd6
        • 2.Re4#
        • 2.Rf6#
      • 1...Kd8
        • 2.Rf8#
      • 1...Kb8!
  • Keys
    • 1.Rf7+!
      • 1...Kb6
        • 2.Bg1#
      • 1...Kd6
        • 2.Re3#
        • 2.Rg6#
      • 1...Kb8
        • 2.Ra3#
      • 1...Kd8
        • 2.Rg8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(A)
        • K(a);S_FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);CHECK
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT::B(A)+R(B)
      • K(a);S_FLIGHT::R(B)
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