MESON Chess Problem Database

Problem Display
PID: 57957 (5r2/5rp1/p5Bb/K1pNR1pn/4ppkp/3Rq2N/3pnBPP/5b2 w - - 0 1)

Devlieghere, G

Het Belgisch Schaakbord (L'Echiquier Belge), 1954

5r2/5rp1/p5Bb/K1pNR1pn/4ppkp/3Rq2N/3pnBPP/5b2

#2

9 + 16

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf2
      • 2.Sxf2#
    • 1...f3
      • 2.Sxe3#
  • Keys
    • 1.Shxf4!
      • threat
        • 2.Bxh5#
      • 1...Qxf4
        • 2.h3#
      • 1...Rxf4
        • 2.Sxe3#
      • 1...Sexf4
        • 2.Sxe3#
      • 1...Shxf4
        • 2.Sxe3#
      • 1...Seg3
        • 2.h3#
      • 1...Shg3
        • 2.h3#
      • 1...Sf6
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • Q(d);XB(A)::S(E),XQ(d)
    • P(f);N_GUARD::S(G),XQ(d)
  • Actual
    • S(E);XP(f)
    • Threat
      • B(I),XS(k)
    • Vars
      • Q(d);N_GUARD,XS(E)::P(C)
      • R(n);SBLOCK,XS(E)::S(G),XQ(d)
      • S(c);SBLOCK,XS(E)::S(G),XQ(d)
      • S(k);SBLOCK,XS(E)::S(G),XQ(d)
      • S(c);S_CUTQ(d)::P(C)
      • S(k);S_CUTQ(d)::P(C)
      • S(k);S_CUTR(n)::B(I)
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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).