MESON Chess Problem Database

Problem Display
PID: 24373 (5K1k/3P3p/7n/8/8/8/8/8 w - - 0 1)

Kiselev, Valentin V

Nachodninski Raboci, 1965

5K1k/3P3p/7n/8/8/8/8/8

#2

2 + 3

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qf6#
        • 2.Qd4#
      • 1...Sg4
        • 2.Kf7#
      • 1...Sf5
        • 2.Kf7#
      • 1...Sf7
        • 2.Kxf7#
        • 2.Qf6#
      • 1...Sg8!
    • 1.d8R?
      • 1...Sg4
        • 2.Kf7#
      • 1...Sf5
        • 2.Kf7#
      • 1...Sf7
        • 2.Kxf7#
      • 1...Sg8!
  • Keys
    • 1.d8S!
      • 1...Sg4
        • 2.Sf7#
      • 1...Sf5
        • 2.Sf7#
      • 1...Sf7
        • 2.Sxf7#
      • 1...Sg8
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(A);
      • Threat
        • DUALS(2)
      • Vars
        • S(a);::QAR(A)+K(B)
      • Refutation
        • S(a);
    • Try
      • P(A);
      • Vars
        • S(a);::R(A)+K(B)
        • S(a);::R(A)+K(B),XS(a)
      • Refutation
        • S(a);
  • Actual
    • P(A);
    • Vars
      • S(a);N_GUARD::S(A)
      • S(a);N_GUARD::S(A),XS(a)
HTML5 logo

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).