MESON Chess Problem Database

Problem Display
PID: 175041 (3B4/8/p1RQ4/qk6/1b2N3/pbn5/4P3/7K w - - 0 1)

Marble, Murray

Philadelphia Times, 1901

3B4/8/p1RQ4/qk6/1b2N3/pbn5/4P3/7K

#2

6 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qc6#
      • 1...Ka4
        • 2.Sxc3#
      • 1...Kxc4
        • 2.Qd3#
      • 1...Qxd8
        • 2.Qxb4#
      • 1...Bxc4
        • 2.Qd7#
      • 1...Bxd6
        • 2.Sxd6#
      • 1...Qb6
        • 2.Qxb4#
      • 1...Qc7
        • 2.Qxb4#
      • 1...Bc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(f);P_SPINB(d),S_FLIGHT::S(C),XS(c)
      • K(f);OGATEB,S_FLIGHT,XR(D)::QAB1(E)
      • Q(e);N_GUARD,XB(F)::QAR1(E),XB(d)
      • B(b);SBLOCK,XR(D)::QAB(E)
      • B(d);XQ(E)::S(C),XB(d)
      • Q(e);N_GUARD::QAR1(E),XB(d)
      • B(d);N_GUARD::QAR1(E),XB(d)
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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).