MESON Chess Problem Database

Problem Display
PID: 156243 (8/5pN1/5bpQ/1K1p4/2Nk1Pn1/2pP3b/2P5/8 w - - 0 1)

Righi, Mario

Best Problems, 2005

8/5pN1/5bpQ/1K1p4/2Nk1Pn1/2pP3b/2P5/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Sf5#
  • Keys
    • 1.Qxg6!
      • threat
        • 2.Sf5#
      • 1...Bxg7
        • 2.Qb6#
      • 1...dxc4
        • 2.Qe4#
      • 1...fxg6
        • 2.Se6#
      • 1...Sf2
        • 2.Qxf6#
      • 1...Sh2
        • 2.Qg1#
        • 2.Qxf6#
      • 1...Se3
        • 2.Qxf6#
      • 1...Se5
        • 2.Qg1#
      • 1...Sh6
        • 2.Qg1#
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(g);N_GUARD::S(G)
  • Actual
    • Q(F);XP(g)
    • Threat
      • S(G)
    • Vars
      • B(f);OGATE,XS(G)::QAB(F)
      • P(e);N_GUARD,XS(C)::QAR1(F)
      • P(h);N_GUARD,XQ(F)::S(G)
      • S(d);N_GUARD::QAB(F),XB(f)
      • S(d);OGATE::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).