MESON Chess Problem Database

Problem Display
PID: 108002 (8/K7/3pN3/Nk1p4/8/3n4/Q7/8 w - - 0 1)

Mirkailo, Dragoljub

Telescacco 92, 1997

8/K7/3pN3/Nk1p4/8/3n4/Q7/8

#2

4 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qa3?
      • threat
        • 2.Sd4#
        • 2.Sc7#
      • 1...d4
        • 2.Sxd4#
        • 2.Sc7#
      • 1...Sb4!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qa6#
      • 1...Kxc6
        • 2.Qa4#
      • 1...Sb4
        • 2.Scd4#
      • 1...Sc5
        • 2.Sed4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT,XS(B)::QAB(A)
      • S(a);SBLOCK::S(B)
      • S(a);SBLOCK::S(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).