MESON Chess Problem Database

Problem Display
PID: 152911 (1n1kB3/1K1p4/5P2/8/8/5Q2/8/8 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2000

1n1kB3/1K1p4/5P2/8/8/5Q2/8/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • 1...Kxe8
        • 2.Qg8#
      • 1...Sa6
        • 2.Qxd7#
      • 1...Sc6
        • 2.Qxd7#
      • 1...d6!
    • 1.Qh3?
      • 1...d5
        • 2.Qc8#
      • 1...Sa6
        • 2.Qxd7#
      • 1...Sc6
        • 2.Qxd7#
      • 1...d6
        • 2.Qc8#
      • 1...Kxe8!
    • 1.Qf5?
      • 1...d5
        • 2.Qc8#
      • 1...Sa6
        • 2.Qxd7#
      • 1...Sc6
        • 2.Qxd7#
      • 1...d6
        • 2.Qc8#
      • 1...Kxe8!
  • Keys
    • 1.Qg4!
      • 1...Kxe8
        • 2.Qg8#
      • 1...d5
        • 2.Qc8#
      • 1...Sa6
        • 2.Qxd7#
      • 1...Sc6
        • 2.Qxd7#
      • 1...d6
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);P_PINP(a)
      • Vars
        • K(c);N_SPINP(a),OGATEB,P-FLIGHT,XB(D)::QAR2(A)
        • S(b);N_GUARD::QAR1(A),XP(a)
      • Refutation
        • P(a);
    • Try
      • Q(A);
      • Vars
        • P(a);OGATE::QAR1(A)
        • S(b);N_GUARD::QAR1(A),XP(a)
      • Refutation
        • K(c);P-FLIGHT,XB(D)
    • Try
      • Q(A);
      • Vars
        • P(a);OGATE::QAR1(A)
        • S(b);N_GUARD::QAR1(A),XP(a)
      • Refutation
        • K(c);P-FLIGHT,XB(D)
  • Actual
    • Q(A);
    • Vars
      • K(c);OGATEB,P-FLIGHT,XB(D)::QAR2(A)
      • P(a);OGATE::QAR1(A)
      • S(b);N_GUARD::QAR1(A),XP(a)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).