MESON Chess Problem Database

Problem Display
PID: 124224 (7n/8/3p4/2pkN2Q/2n1rp2/4p2B/4N3/K7 w - - 0 1)

Mach, Julius Zdenek

Sachove listy, 1901

7n/8/3p4/2pkN2Q/2n1rp2/4p2B/4N3/K7

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sc3#
  • Tries
    • 1.Qf7+?
      • 1...Kxe5
        • 2.Qe6#
        • 2.Qf5#
      • 1...Sxf7!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qe6#
      • 1...Rxe5
        • 2.Qa8#
      • 1...Sxe5
        • 2.Be6#
      • 1...Rd4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);SBLOCK::S(B)
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • S(h);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • R(c);SBLOCK,XS(D)::QAB(E)
      • S(b);SBLOCK,XS(D)::B(C)
      • R(c);SBLOCK::S(B)
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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).