MESON Chess Problem Database

Problem Display
PID: 12140 (5Nb1/3Nr3/4p2p/6kP/6P1/6K1/8/5R2 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1975

5Nb1/3Nr3/4p2p/6kP/6P1/6K1/8/5R2

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rf7
      • 2.Sxe6#
    • 1...Bf7
      • 2.Sh7#
    • 1...e5
      • 2.Rf5#
  • Tries
    • 1.Sxe6+?
      • 1...Rxe6
        • 2.Rf5#
      • 1...Bxe6!
  • Keys
    • 1.Rf7!
      • 1...Rxd7
        • 2.Sxe6#
      • 1...Rxf7
        • 2.Sxe6#
      • 1...Bxf7
        • 2.Sh7#
      • 1...Bh7
        • 2.Sxh7#
      • 1...Re8
        • 2.Rg7#
      • 1...e5
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD,S_CUTB(e)::S(F),XP(b)
    • B(e);N_GUARD,S_CUTR(d)::S(F)
    • P(b);N_GUARD::R1(A)
  • Tries
    • Try
      • S(F);CHECK,XP(b)
      • Vars
        • R(d);XS(F)::R1(A)
      • Refutation
        • B(e);XS(F)
  • Actual
    • R(A);
    • Vars
      • R(d);N_GUARD,XS(E)::S(F),XP(b)
      • R(d);N_GUARD,XR(A)::S(F),XP(b)
      • B(e);N_GUARD,XR(A)::S(F)
      • B(e);N_GUARD::S(F),XB(e)
      • R(d);N_GUARD::R(A)
      • P(b);N_GUARD::R1(A)
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