MESON Chess Problem Database

Problem Display
PID: 4980 (8/6k1/1Q6/1R6/6K1/8/8/8 w - - 0 1)

Meyer, Heinrich Friedrich Ludwig

Boys' Own Paper, 1896

8/6k1/1Q6/1R6/6K1/8/8/8

#2

3 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qa7+?
      • 1...Kg6
        • 2.Rb6#
      • 1...Kh6
        • 2.Rb6#
      • 1...Kf8
        • 2.Rb8#
      • 1...Kg8
        • 2.Rb8#
      • 1...Kh8
        • 2.Rb8#
      • 1...Kf6!
  • Keys
    • 1.Qc7+!
      • 1...Kf6
        • 2.Rb6#
      • 1...Kg6
        • 2.Rb6#
      • 1...Kh6
        • 2.Rb6#
      • 1...Kf8
        • 2.Rb8#
      • 1...Kg8
        • 2.Rb8#
      • 1...Kh8
        • 2.Rb8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::R(B)
        • K(a);S_FLIGHT::R(B)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);CHECK
    • Vars
      • K(a);S_FLIGHT::R(B)
      • K(a);P-FLIGHT::R(B)
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