MESON Chess Problem Database

Problem Display
PID: 175614 (5r2/5p2/4p2p/7K/5k1b/1nQ2N1p/1r4n1/1B3N1q w - - 0 1)

Hicks, GJ

San Francisco Chronicle, 1900

5r2/5p2/4p2p/7K/5k1b/1nQ2N1p/1r4n1/1B3N1q

#2

5 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Qf6#
    • 1...Bf2
      • 2.Qf6#
    • 1...Bg3
      • 2.Qf6#
    • 1...Bf6
      • 2.Qxf6#
    • 1...Se1
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
  • Keys
    • 1.Sg5!
      • threat
        • 2.Qf6#
      • 1...Qxf1
        • 2.Sxh3#
      • 1...Bxg5
        • 2.Qg3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Se3
        • 2.Qxe3#
      • 1...e5
        • 2.Qf3#
      • 1...f5
        • 2.Sxe6#
      • 1...f6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • B(g);N_GUARD::QAR2(C)
    • B(g);N_GUARD::QAR2(C),XB(g)
    • S(c);N_GUARD::QAB1(C)
    • S(c);N_GUARD::QAB1(C),XS(c)
  • Actual
    • S(D);
    • Threat
      • QAR2(C)
    • Vars
      • Q(a);N_GUARD,XS(B)::S(D),XP(e)
      • B(g);N_GUARD,XS(D)::QAB1(C)
      • S(d);N_GUARD::QAR2(C),XS(d)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • P(h);SBLOCK::QAR1(C)
      • P(j);N_GUARD::S(D),XP(h)
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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).