MESON Chess Problem Database

Problem Display
PID: 160805 (3nk3/8/4PBK1/6n1/4Q3/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

3nk3/8/4PBK1/6n1/4Q3/8/8/8

#2

4 + 3

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Keys
    • 1.e7!
      • threat
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Kd7
        • 2.exd8Q#
      • 1...Sxe4
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sc6
        • 2.Qxc6#
      • 1...Sf3
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sh3
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sge6
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sgf7
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sh7
        • 2.exd8Q#
        • 2.exd8R#
      • 1...Sde6
        • 2.Qc6#
        • 2.Qa4#
      • 1...Sb7
        • 2.Qc6#
        • 2.Qa4#
      • 1...Sdf7
        • 2.Qc6#
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(B);
    • Threat
      • PXS(b)=Q
    • Vars
      • K(c);S_FLIGHT::PXS(b)=Q
      • S(a);XQ(A)::PXS(b)=Q
      • S(b);N_GUARD::QAB(A),XS(b)
      • S(a);::PXS(b)=Q
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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).