MESON Chess Problem Database

Problem Display
PID: 85829 (4Nk2/6p1/2PPQ1pb/1p4p1/1p4K1/1P6/8/8 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1992

4Nk2/6p1/2PPQ1pb/1p4p1/1p4K1/1P6/8/8

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qc4?
      • 1...Kxe8
        • 2.Qg8#
      • 1...bxc4!
  • Keys
    • 1.Qd5!
      • 1...Kxe8
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(g);P-FLIGHT,XS(F)::QAR2(E)
      • Refutation
        • P(b);XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(g);P-FLIGHT,XS(F)::QAR2(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).