MESON Chess Problem Database

Problem Display
PID: 138749 (8/6K1/6N1/7k/4N1n1/5n1P/8/8 w - - 0 1)

Neyndorff, Luke

Chess Life, 1984

8/6K1/6N1/7k/4N1n1/5n1P/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.Sf4#
    • 1...Sg5
      • 2.Sg3#
  • Keys
    • 1.h4!
      • threat
        • 2.Sg3#
      • 1...Sxh4
        • 2.Sf4#
      • 1...Sf2
        • 2.Sf6#
      • 1...Sgh2
        • 2.Sf6#
      • 1...Se3
        • 2.Sf6#
      • 1...Sge5
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sh6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::S(C)
    • S(a);SBLOCK::S(B)
  • Actual
    • P(A);
    • Threat
      • S(B)
    • Vars
      • S(a);SBLOCK,XP(A)::S(C)
      • S(b);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
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