MESON Chess Problem Database

Problem Display
PID: 38009 (6B1/5p2/8/8/8/1p6/kB6/N1K5 w - - 0 1)

Lincoln, Robert A

Chess Life, 1999

6B1/5p2/8/8/8/1p6/kB6/N1K5

#2

4 + 3

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Bxb3#
    • 1...f6
      • 2.Bxb3#
  • Tries
    • 1.Sxb3?
      • 1...f5
        • 2.Sa1#
        • 2.Sd2#
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sc5#
      • 1...f6
        • 2.Sa1#
        • 2.Sd2#
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sc5#
      • 1...Kxb3!
  • Keys
    • 1.Sc2!
      • threat
        • 2.Sb4#
      • 1...bxc2
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • P(c);OGATE,P_SPINP(b)::B(D),XP(b)
  • Tries
    • Try
      • S(A);XP(b)
      • Refutation
        • K(a);P_SPINP(c),S_FLIGHT,XS(A)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • P(b);OGATEB,P_SPINP(c),XS(A)::B(D),XP(c)
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