MESON Chess Problem Database

Problem Display
PID: 249749 (8/6K1/8/5Nk1/2n4p/5Q2/8/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2002

8/6K1/8/5Nk1/2n4p/5Q2/8/8

#2

3 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Qg4#
        • 2.Qf5#
      • 1...h3
        • 2.Qg4#
      • 1...Se5
        • 2.Qf5#
      • 1...Sd6
        • 2.Qg4#
      • 1...Sxe3!
    • 1.Sd4?
      • threat
        • 2.Se6#
        • 2.Qf5#
      • 1...Se3
        • 2.Se6#
      • 1...Sd6
        • 2.Se6#
      • 1...h3!
    • 1.Qf4+?
      • 1...Kh5
        • 2.Qxh4#
      • 1...Kxf4!
  • Keys
    • 1.Sh6!
      • threat
        • 2.Sf7#
        • 2.Qg4#
        • 2.Qf5#
      • 1...h3
        • 2.Qg4#
      • 1...Se3
        • 2.Sf7#
      • 1...Se5
        • 2.Qf5#
      • 1...Sd6
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(A)
        • S(a);::QAR1(A)
      • Refutation
        • S(a);XS(B)
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::S(B)
      • Refutation
        • P(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);N_GUARD,P-FLIGHT::QAR1(A),XP(b)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);::QAR1(A)
      • S(a);::S(B)
      • S(a);::QAR1(A)
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Developed and maintained by Brian Stephenson.
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