MESON Chess Problem Database

Problem Display
PID: 58486 (3R4/p3p3/pN1RK3/1k6/pPp5/3p4/2NP4/8 w - - 0 1)

Petkov, Petko Andonov

Chess Life, 1959

3R4/p3p3/pN1RK3/1k6/pPp5/3p4/2NP4/8

#2

7 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sa3#
        • 2.Sd4#
        • 2.Sc3#
        • 2.Sc7#
        • 2.Rb8#
      • 1...dxc2
        • 2.Rb8#
      • 1...exd6
        • 2.Sd4#
      • 1...a3
        • 2.Sc3#
      • 1...c3
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • DUALS(5)
    • Vars
      • P(a);XS(A)::R(G)
      • P(g);XR(E)::S(A)
      • P(b);::S(D)
      • P(c);::S(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).