MESON Chess Problem Database

Problem Display
PID: 12139 (3B4/8/3R4/pkp5/8/K2N4/8/1N6 w - - 0 1)

di Vincenzi, Renato

Unpublished, 1975

3B4/8/3R4/pkp5/8/K2N4/8/1N6

#2

5 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...c4
      • 2.Sc3#
      • 2.Rb6#
  • Tries
    • 1.Ka2?
      • 1...Ka4
        • 2.Sc3#
      • 1...a4
        • 2.Sa3#
      • 1...c4
        • 2.Sc3#
      • 1...Kc4!
    • 1.Sb2?
      • threat
        • 2.Sc3#
        • 2.Rb6#
      • 1...a4
        • 2.Sc3#
      • 1...c4!
    • 1.Se5?
      • threat
        • 2.Sc3#
        • 2.Rb6#
      • 1...a4
        • 2.Sc3#
      • 1...c4!
  • Keys
    • 1.Kb2!
      • 1...Ka4
        • 2.Sc3#
      • 1...Kc4
        • 2.Sa3#
      • 1...a4
        • 2.Sa3#
      • 1...c4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(A)
        • P(a);SBLOCK::S(A)
        • P(c);SBLOCK::S(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(A)
      • Refutation
        • P(c);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::S(A)
      • Refutation
        • P(c);
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::S(A)
      • P(a);SBLOCK::S(A)
      • P(c);SBLOCK::S(A)
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