MESON Chess Problem Database

Problem Display
PID: 184309 (3Q2nK/4N2n/7k/6p1/8/8/8/8 w - - 0 1)

Wermelinger, Charles

L'Echiquier de Paris, 1952

3Q2nK/4N2n/7k/6p1/8/8/8/8

#2

3 + 4

78 Bulletin Ouvrier des Echecs 1955

SOLUTION

  • SOUND
  • Tries
    • 1.Qe8?
      • threat
        • 2.Sf5#
        • 2.Sxg8#
        • 2.Qg6#
      • 1...g4
        • 2.Qg6#
      • 1...Shf6
        • 2.Sf5#
        • 2.Qg6#
      • 1...Sf8
        • 2.Sf5#
        • 2.Sxg8#
      • 1...Sgf6
        • 2.Sf5#
        • 2.Qg6#
      • 1...Sxe7!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qg6#
        • 2.Qxh7#
        • 2.Qh3#
      • 1...Kh5
        • 2.Qh3#
      • 1...Sxe7
        • 2.Qxh7#
      • 1...g4
        • 2.Qg6#
      • 1...Shf6
        • 2.Qg6#
      • 1...Sf8
        • 2.Qh3#
      • 1...Sgf6
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::QAR1(B)
      • Refutation
        • S(d);XS(A)
  • Actual
    • Q(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • S(d);XS(A)::QAR1(B),XS(c)
      • P(a);::QAR1(B)
      • S(c);::QAR1(B)
      • S(c);::QAR(B)
      • S(d);::QAR1(B)
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