MESON Chess Problem Database

Problem Display
PID: 27193 (3N4/4nNpP/5kp1/8/5P2/5K2/8/1B6 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

3N4/4nNpP/5kp1/8/5P2/5K2/8/1B6

#2

6 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sg8
      • 2.hxg8S#
    • 1...g5
      • 2.fxg5#
  • Keys
    • 1.Sh6!
      • threat
        • 2.Sg4#
      • 1...gxh6
        • 2.h8Q#
        • 2.h8B#
      • 1...Sd5
        • 2.Sg8#
      • 1...Sf5
        • 2.Sg8#
      • 1...Sc6
        • 2.Sg8#
      • 1...Sc8
        • 2.Sg8#
      • 1...Sg8
        • 2.Sxg8#
        • 2.hxg8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(c);OGATE::PXS(c)=S
    • P(b);OGATE::P(C),XP(b)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(d);XS(D)::P=Q
      • S(c);N_GUARD::S(D)
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