MESON Chess Problem Database

Problem Display
PID: 7684 (1b2k3/n3P3/4K3/1N6/8/2R5/8/8 w - - 0 1)

Lincoln, Robert A

The Problemist, 1992

1b2k3/n3P3/4K3/1N6/8/2R5/8/8

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sxd6#
    • 1...Bc7
      • 2.Sxc7#
    • 1...Sxb5
      • 2.Rc8#
    • 1...Sc8
      • 2.Rxc8#
  • Tries
    • 1.Rd3?
      • threat
        • 2.Rd8#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Bc7
        • 2.Sxc7#
      • 1...Sc6!
  • Keys
    • 1.Rc7!
      • threat
        • 2.Sd6#
      • 1...Bxc7
        • 2.Sxc7#
      • 1...Sxb5
        • 2.Rc8#
      • 1...Sc8
        • 2.Rxc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(B),XB(b)
    • S(a);N_GUARD,XS(B)::R(A)
    • S(a);N_GUARD::R(A),XS(a)
  • Tries
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • B(b);N_GUARD::S(B),XB(b)
      • Refutation
        • S(a);
  • Actual
    • R(A);
    • Threat
      • S(B)
    • Vars
      • B(b);XR(A)::S(B),XB(b)
      • S(a);N_GUARD,XS(B)::R(A)
      • S(a);N_GUARD::R(A),XS(a)
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