MESON Chess Problem Database

Problem Display
PID: 86588 (K5Nk/6pP/3n2Q1/8/8/8/8/8 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

The Problemist, 1993

K5Nk/6pP/3n2Q1/8/8/8/8/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6?
      • 1...gxf6
        • 2.Qg8#
      • 1...Sc4
        • 2.Qe8#
      • 1...Se4
        • 2.Qe8#
      • 1...Sb5
        • 2.Qe8#
      • 1...Sf5
        • 2.Qe8#
      • 1...Sb7
        • 2.Qe8#
      • 1...Sc8
        • 2.Qe8#
      • 1...Se8
        • 2.Qxe8#
      • 1...Sf7!
  • Keys
    • 1.Sh6!
      • 1...gxh6
        • 2.Qg8#
      • 1...Sc4
        • 2.Sf7#
      • 1...Se4
        • 2.Sf7#
      • 1...Sb5
        • 2.Sf7#
      • 1...Sf5
        • 2.Sf7#
      • 1...Sb7
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#
      • 1...Sc8
        • 2.Sf7#
      • 1...Se8
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • P(b);OGATE,XS(D)::QAR1(A)
        • S(a);N_GUARD::QAR(A)
        • S(a);N_GUARD::QAR(A),XS(a)
      • Refutation
        • S(a);
  • Actual
    • S(D);
    • Vars
      • P(b);OGATE,XS(D)::QAR1(A)
      • S(a);N_GUARD::S(D)
      • S(a);N_GUARD::S(D),XS(a)
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