MESON Chess Problem Database

Problem Display
PID: 177877 (8/5Q1K/1B1NR1Pp/3kN3/q7/2p5/b7/2r5 w - - 0 1)

Kuljka, Peter

Sp. Comm., Sahs (Latvia), 1982

8/5Q1K/1B1NR1Pp/3kN3/q7/2p5/b7/2r5

#2

7 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6?
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Qxc6
        • 2.Qf5#
      • 1...Qa7
        • 2.Sb4#
      • 1...Qh4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qf3#
      • 1...Qxe4
        • 2.Qd7#
      • 1...Rf1
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • K(e);OGATEB,S_FLIGHT,XS(A)::QAB1(F)
        • Q(d);SBLOCK,XS(A)::QAR2(F)
        • Q(d);N_GUARD,P_PINQ(F)::S(A)
      • Refutation
        • Q(d);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(C)::QAB1(F)
      • Q(d);N_GUARD,P_PINP(E),SBLOCK,XS(C)::QAR2(F)
      • R(a);N_GUARD::S(C),XP(c)
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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).