MESON Chess Problem Database

Problem Display
PID: 108175 (8/B3p3/8/Q2NNp2/3pkP2/4b1P1/3p4/3K4 w - - 0 1)

Graham, John H

Montreal Gazette, 1897

8/B3p3/8/Q2NNp2/3pkP2/4b1P1/3p4/3K4

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d3
      • 2.Sc3#
    • 1...e6
      • 2.Sf6#
  • Keys
    • 1.Qc3!
      • 1...Kxd5
        • 2.Qc6#
      • 1...Bxf4
        • 2.Qxd4#
      • 1...dxc3
        • 2.Sxc3#
      • 1...Bg1
        • 2.Qf3#
      • 1...Bf2
        • 2.Qf3#
      • 1...d3
        • 2.Qxd3#
      • 1...e6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(c);N_GUARD::S(E)
    • P(f);N_GUARD::S(E)
  • Actual
    • Q(D);
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(E)::QAB1(D)
      • B(b);N_GUARD,XP(C)::QAR1(D),XP(c)
      • P(c);XQ(D)::S(E),XP(c)
      • B(b);OGATE::QAB1(D)
      • P(c);::QAB1(D),XP(c)
      • P(f);N_GUARD::S(E)
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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).