MESON Chess Problem Database

Problem Display
PID: 23801 (4N3/8/8/4R3/1K1k1B2/8/4b3/4N3 w - - 0 1)

Chepizhni, Viktor Ivanovich

Thema Danicum, 1996

4N3/8/8/4R3/1K1k1B2/8/4b3/4N3

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Sf3#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Re4#
        • 2.Rd5#
      • 1...Bd3
        • 2.Sf3#
        • 2.Rd5#
      • 1...Bc4
        • 2.Re4#
      • 1...Bf3!
    • 1.Sc7?
      • threat
        • 2.Se6#
      • 1...Bg4
        • 2.Sb5#
      • 1...Bc4!
    • 1.Sg7?
      • threat
        • 2.Sf5#
        • 2.Se6#
      • 1...Bd3
        • 2.Sf3#
        • 2.Se6#
      • 1...Bc4
        • 2.Sf5#
      • 1...Bg4!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf5#
      • 1...Bd3
        • 2.Sf3#
      • 1...Bg4
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD,SBLOCK::S(A)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::R1(D)
      • Refutation
        • B(a);
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • B(a);N_GUARD::S(E)
      • Refutation
        • B(a);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::S(E)
      • Refutation
        • B(a);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • B(a);N_GUARD,SBLOCK::S(A)
      • B(a);N_GUARD::S(E)
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