MESON Chess Problem Database

Problem Display
PID: 24479 (5N2/4pK2/5b1p/7k/8/6Q1/8/8 w - - 0 1)

Zuncke, Klaus-Peter

Uder, 1976

5N2/4pK2/5b1p/7k/8/6Q1/8/8

#2

3 + 4

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.Qg6#
  • Tries
    • 1.Sg6?
      • threat
        • 2.Sf4#
      • 1...Be5
        • 2.Qh4#
      • 1...Bg5
        • 2.Qf3#
      • 1...e5!
    • 1.Sh7?
      • 1...Ba1
        • 2.Qh3#
      • 1...Bb2
        • 2.Qh3#
      • 1...Bc3
        • 2.Qh3#
      • 1...Bd4
        • 2.Qh3#
      • 1...Bh4
        • 2.Qf3#
        • 2.Qg6#
      • 1...Be5
        • 2.Qh3#
      • 1...Bg7
        • 2.Qh3#
      • 1...Bh8
        • 2.Qh3#
      • 1...e5
        • 2.Sxf6#
      • 1...e6
        • 2.Sxf6#
      • 1...Bg5!
    • 1.Qh3+?
      • 1...Kg5
        • 2.Se6#
      • 1...Bh4!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4#
      • 1...Be5
        • 2.Qh3#
      • 1...Bg5
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • B(b);N_GUARD::QAR1(A)
        • B(b);SBLOCK::QAB(A)
      • Refutation
        • P(d);
    • Try
      • S(C);
      • Vars
        • B(b);N_GUARD::QAR2(A)
        • P(d);N_GUARD::S(C),XB(b)
      • Refutation
        • B(b);
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::S(C)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(b);N_GUARD::QAR2(A)
      • B(b);N_GUARD::S(C)
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