MESON Chess Problem Database

Problem Display
PID: 42038 (1b5B/4p3/BR1n2P1/3ppkpK/2RnNN2/4pp2/7Q/q6b w - - 0 1)

Stoyanov, Kiril N

1st Prize, Shakhmatna misl, 1960

1b5B/4p3/BR1n2P1/3ppkpK/2RnNN2/4pp2/7Q/q6b

#2

9 + 12

3749 FIDE Album (1959-1961) 1960

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Sg3#
    • 1...Sb3
      • 2.Sg3#
    • 1...S4b5
      • 2.Sg3#
    • 1...Sc6
      • 2.Sg3#
    • 1...Se6
      • 2.Sg3#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qxe5#
      • 1...Kxe4
        • 2.Qc2#
      • 1...Kxe6
        • 2.Bc8#
      • 1...Sxe6
        • 2.Sg3#
      • 1...Sxc4
        • 2.Sg3#
      • 1...Sxe4
        • 2.Sg7#
      • 1...Sc2
        • 2.Sg7#
      • 1...Se2
        • 2.Sg7#
      • 1...Sb3
        • 2.Sg7#
      • 1...S4b5
        • 2.Sg7#
      • 1...Sc6
        • 2.Sg7#
      • 1...S6b5
        • 2.Sg3#
      • 1...Sb7
        • 2.Sg3#
      • 1...Sf7
        • 2.Sg3#
      • 1...Sc8
        • 2.Sg3#
      • 1...Se8
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(e);::S(C)
  • Actual
    • S(D);
    • Threat
      • QAR1(A),XP(g)
    • Vars
      • K(h);OGATEB,P_SPINS(e),S_FLIGHT,XS(C)::QAB(A)
      • K(h);OGATEB,P_SPINS(j),S_FLIGHT,XS(D)::B(F)
      • S(e);SBLOCK,XS(D)::S(C)
      • S(j);XR(B)::S(C)
      • S(j);SBLOCK,XS(C)::S(D)
      • S(e);::S(D)
      • S(j);::S(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).