MESON Chess Problem Database

Problem Display
PID: 121293 (3b4/4p3/2Q5/NP6/k1p5/2Pp4/1Pb1n3/K7 w - - 0 1)

Mikan, Ilja

Straz lidu, 1959

3b4/4p3/2Q5/NP6/k1p5/2Pp4/1Pb1n3/K7

#2

6 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa5
      • 2.Qa6#
  • Keys
    • 1.Sb7!
      • threat
        • 2.Qxc4#
      • 1...Kb3
        • 2.Sc5#
      • 1...Bb3
        • 2.b6#
      • 1...Ba5
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(d);OGATEB,P-FLIGHT,XS(D)::QAR1(F)
  • Actual
    • S(D);
    • Threat
      • QAR2(F),XP(e)
    • Vars
      • K(d);S_FLIGHT::S(D)
      • B(a);SBLOCK::QAB(F)+P(E)
      • B(g);SBLOCK::S(D)
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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).