MESON Chess Problem Database

Problem Display
PID: 881 (B3K3/3p4/4k3/3R4/3P4/5R2/8/8 w - - 0 1)

Lincoln, Robert A

British Chess Magazine, 1994

B3K3/3p4/4k3/3R4/3P4/5R2/8/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5?
      • 1...d6
        • 2.Bd5#
      • 1...d5
        • 2.Ra6#
      • 1...Kd6!
    • 1.Rb5?
      • 1...d6
        • 2.Bd5#
      • 1...d5
        • 2.Rb6#
      • 1...Kd6!
  • Keys
    • 1.Rc5!
      • 1...Kd6
        • 2.Rf6#
      • 1...d6
        • 2.Bd5#
      • 1...d5
        • 2.Rc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • P(b);SBLOCK::B(D)
        • P(b);N_GUARD::R(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(C);
      • Vars
        • P(b);SBLOCK::B(D)
        • P(b);N_GUARD::R(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(a);P-FLIGHT::R(A)
      • P(b);SBLOCK::B(D)
      • P(b);N_GUARD,SBLOCK::R(C)
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