MESON Chess Problem Database

Problem Display
PID: 43763 (6Nn/5p2/B4P2/3K1kpp/7p/7N/4P2P/8 w - - 0 1)

Foster, A

Stephens, Walter

The Problemist, 1929

6Nn/5p2/B4P2/3K1kpp/7p/7N/4P2P/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Bc8#
    • 1...Kg6
      • 2.Bd3#
    • 1...Sg6
      • 2.Bc8#
    • 1...g4
      • 2.Bd3#
  • Tries
    • 1.Se7+?
      • 1...Kg4
        • 2.Bc8#
      • 1...Kxf6!
    • 1.e3?
      • 1...Kg6
        • 2.Bd3#
      • 1...g4
        • 2.Bd3#
      • 1...Sg6
        • 2.Bc8#
      • 1...Kg4!
  • Keys
    • 1.Bb5!
      • 1...Kg4
        • 2.Bd7#
      • 1...Kg6
        • 2.Bd3#
      • 1...Sg6
        • 2.Bd7#
      • 1...g4
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(E)
    • S(f);SBLOCK::B(E)
    • P(c);SBLOCK::B(E)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • K(b);P-FLIGHT,XP(F)
    • Try
      • P(A);
      • Vars
        • K(b);S_FLIGHT::B(E)
        • P(c);SBLOCK::B(E)
        • S(f);SBLOCK::B(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(b);S_FLIGHT::B(E)
      • S(f);SBLOCK::B(E)
      • P(c);SBLOCK::B(E)
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Developed and maintained by Brian Stephenson.
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