MESON Chess Problem Database

Problem Display
PID: 46388 (N7/r7/kP6/bR6/K7/8/8/8 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

N7/r7/kP6/bR6/K7/8/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.Rxa5#
    • 1...Bxb6
      • 2.Rxb6#
  • Keys
    • 1.b7!
      • threat
        • 2.b8S#
      • 1...Rxb7
        • 2.Rxa5#
      • 1...Rxa8
        • 2.bxa8Q#
        • 2.bxa8R#
      • 1...Bb6
        • 2.Rxb6#
      • 1...Bc7
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::R1(B),XB(a)
    • B(a);OGATE,XP(C)::R1(B),XB(a)
  • Actual
    • P(C);
    • Threat
      • P=S
    • Vars
      • R(c);SBLOCK,XP(C)::R1(B),XB(a)
      • R(c);OGATE,XS(D)::PXR(c)=Q
      • B(a);N_GUARD::R1(B),XB(a)
      • B(a);N_GUARD::S(D),XB(a)
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