MESON Chess Problem Database

Problem Display
PID: 27865 (8/1K6/1R5b/4R1nk/4NPn1/6B1/6N1/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/1K6/1R5b/4R1nk/4NPn1/6B1/6N1/8

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bg7
      • 2.Rxg5#
    • 1...Bf8
      • 2.Rxg5#
  • Tries
    • 1.Rxh6+?
      • 1...Sxh6
        • 2.Rxg5#
      • 1...Kxh6!
  • Keys
    • 1.Sh4!
      • 1...Sxe5
        • 2.Sf6#
      • 1...Sf2
        • 2.Sf6#
      • 1...Sh2
        • 2.Sf6#
      • 1...Se3
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Bg7
        • 2.Rxg5#
      • 1...Bf8
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD::R1(E),XS(b)
  • Tries
    • Try
      • R(F);CHECK,XB(d)
      • Vars
        • S(a);SBLOCK,XR(F)::R1(E),XS(b)
      • Refutation
        • K(c);N_SPINS(b),P-FLIGHT,XR(F)
  • Actual
    • S(A);
    • Vars
      • S(a);N_GUARD,N_SPINS(b),XR(E)::S(C)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • B(d);N_GUARD::R1(E),XS(b)
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