MESON Chess Problem Database

Problem Display
PID: 12276 (8/3Bp3/3p4/1Kpk4/3p2N1/3P4/8/8 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1977

8/3Bp3/3p4/1Kpk4/3p2N1/3P4/8/8

#2

4 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sf6#
    • 1...e6
      • 2.Bc6#
  • Tries
    • 1.Kb6?
      • 1...e6
        • 2.Bc6#
      • 1...e5
        • 2.Sf6#
      • 1...c4!
    • 1.Bc8?
      • 1...e6
        • 2.Bb7#
      • 1...e5
        • 2.Sf6#
      • 1...c4!
  • Keys
    • 1.Bf5!
      • 1...e6
        • 2.Be4#
      • 1...c4
        • 2.dxc4#
      • 1...e5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(e);N_GUARD,SBLOCK::S(B)
    • P(e);SBLOCK::B(D)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • P(e);SBLOCK::B(D)
        • P(e);N_GUARD,SBLOCK::S(B)
      • Refutation
        • P(b);
    • Try
      • B(D);
      • Vars
        • P(e);SBLOCK::B(D)
        • P(e);N_GUARD,SBLOCK::S(B)
      • Refutation
        • P(b);
  • Actual
    • B(D);
    • Vars
      • P(e);SBLOCK::B(D)
      • P(b);OGATE::P(A),XP(b)
      • P(e);N_GUARD,SBLOCK::S(B)
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