MESON Chess Problem Database

Problem Display
PID: 149009 (4N1nr/1Q1rp1Pp/R2Nbnkp/7p/K1p5/8/4B3/b4R2 w - - 0 1)

Guidelli, Giorgio

Good Companions (May), 1918

4N1nr/1Q1rp1Pp/R2Nbnkp/7p/K1p5/8/4B3/b4R2

#2

8 + 12

SOLUTION

  • SOUND
  • Keys
    • 1.Sf7!
      • threat
        • 2.gxh8S#
      • 1...Kxf7
        • 2.Bxh5#
      • 1...Bxf7
        • 2.Qg2#
      • 1...Sxe8
        • 2.Qg2#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sd5
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(E);
    • Threat
      • PXR(l)=S
    • Vars
      • K(f);P_SPINS(e),S_FLIGHT,XS(E)::B(B),XP(c)
      • B(d);N_GUARD,P_SPINS(e),SBLOCK,XS(E)::QAR(F)
      • S(e);N_GUARD,P_SPINB(d),XS(H)::QAR(F)
      • S(e);N_GUARD,P_SPINB(d)::QAB(F),XS(e)
      • S(e);N_GUARD,P_SPINB(d)::QAB(F)
      • S(e);N_GUARD,P_SPINB(d),S_CUTR(h)::QAB(F)
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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).