MESON Chess Problem Database

Problem Display
PID: 219459 (3k4/3P4/3K4/8/8/5N2/3p4/3q4 w - - 0 1)

Lebidinets, Nikola Grigorovich

Schach-Report, 1990

3k4/3P4/3K4/8/8/5N2/3p4/3q4

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Sc6#
        • 2.Sf7#
      • 1...Qc2
        • 2.Sf7#
      • 1...Qb3
        • 2.Sc6#
      • 1...Qa4
        • 2.Sf7#
      • 1...Qh5
        • 2.Sc6#
      • 1...Qc1
        • 2.Sf7#
      • 1...Qf1
        • 2.Sc6#
      • 1...Qh1
        • 2.Sf7#
      • 1...Qf3!
    • 1.Sg5?
      • threat
        • 2.Se6#
        • 2.Sf7#
      • 1...Qe2
        • 2.Sf7#
      • 1...Qf3
        • 2.Se6#
      • 1...Qg4
        • 2.Sf7#
      • 1...Qh5
        • 2.Se6#
      • 1...Qe1
        • 2.Sf7#
      • 1...Qf1
        • 2.Se6#
      • 1...Qb3!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc6#
        • 2.Se6#
      • 1...Qc2
        • 2.Se6#
      • 1...Qe2
        • 2.Sc6#
      • 1...Qb3
        • 2.Sc6#
      • 1...Qf3
        • 2.Se6#
      • 1...Qa4
        • 2.Se6#
      • 1...Qg4
        • 2.Sc6#
      • 1...Qc1
        • 2.Se6#
      • 1...Qe1
        • 2.Sc6#
      • 1...Qh1
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(A)
      • Refutation
        • Q(a);
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);::S(A)
      • Refutation
        • Q(a);
  • Actual
    • S(A);
    • Threat
      • DUALS(2)
    • Vars
      • Q(a);::S(A)
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