MESON Chess Problem Database

Problem Display
PID: 180995 (K7/1R6/8/8/kp6/8/8/1R6 w - - 0 1)

Hoek, Willem

Probleemblad, 1979

K7/1R6/8/8/kp6/8/8/1R6

#2

3 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Ka3
      • 2.Ra7#
    • 1...Ka5
      • 2.Ra1#
    • 1...b3
      • 2.Ra1#
  • Tries
    • 1.Ka7?
      • 1...Ka5
        • 2.Ra1#
      • 1...b3
        • 2.Ra1#
      • 1...Ka3!
    • 1.Rb6?
      • 1...Ka3
        • 2.Ra6#
      • 1...b3
        • 2.Ra1#
      • 1...Ka5!
    • 1.Rb8?
      • 1...Ka5
        • 2.Ra1#
      • 1...b3
        • 2.Ra1#
      • 1...Ka3!
  • Keys
    • 1.Kb8!
      • 1...Ka3
        • 2.Ra7#
      • 1...Ka5
        • 2.Ra1#
      • 1...b3
        • 2.Ra1#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(B)
    • K(a);P-FLIGHT::R(A)
    • P(b);::R(A)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(A)
        • P(b);::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(B)
        • P(b);::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);P-FLIGHT::R(A)
        • P(b);::R(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::R(B)
      • K(a);P-FLIGHT::R(A)
      • P(b);::R(A)
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