MESON Chess Problem Database

Problem Display
PID: 39761 (8/8/8/8/2B2B2/5p2/7R/n2k1K2 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/8/8/2B2B2/5p2/7R/n2k1K2

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Bxb3#
  • Tries
    • 1.Bb3+?
      • 1...Sc2
        • 2.Bxc2#
      • 1...Sxb3!
    • 1.Bd3?
      • 1...Sc2
        • 2.Bxc2#
      • 1...Sb3
        • 2.Bc2#
      • 1...f2!
    • 1.Ra2?
      • 1...Sb3
        • 2.Bxb3#
      • 1...f2
        • 2.Be2#
      • 1...Sc2!
    • 1.Rf2?
      • 1...Sb3
        • 2.Bxb3#
      • 1...Sc2!
  • Keys
    • 1.Rb2!
      • 1...Sc2
        • 2.Rb1#
      • 1...Sb3
        • 2.Bxb3#
      • 1...f2
        • 2.Be2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(C),XS(a)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(C),XS(a)
      • Refutation
        • S(a);XB(C)
    • Try
      • B(C);
      • Vars
        • S(a);N_GUARD::B(C),XS(a)
        • S(a);N_GUARD::B(C)
      • Refutation
        • P(c);
    • Try
      • R(B);
      • Vars
        • S(a);N_GUARD::B(C),XS(a)
        • P(c);N_GUARD::B(C)
      • Refutation
        • S(a);
    • Try
      • R(B);
      • Vars
        • S(a);N_GUARD::B(C),XS(a)
      • Refutation
        • S(a);
  • Actual
    • R(B);
    • Vars
      • S(a);SBLOCK::R(B)
      • S(a);N_GUARD::B(C),XS(a)
      • P(c);N_GUARD::B(C)
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Developed and maintained by Brian Stephenson.
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