MESON Chess Problem Database

Problem Display
PID: 214905 (8/1n2N3/8/4p3/1B1k2K1/8/4Q3/8 w - - 0 1)

Foster, Benjamin R

St. Louis Globe Democrat, 1879

8/1n2N3/8/4p3/1B1k2K1/8/4Q3/8

#2

4 + 3

3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qc2!
      • 1...Ke3
        • 2.Sf5#
      • 1...e4
        • 2.Qc3#
      • 1...Sa5
        • 2.Bc5#
      • 1...Sc5
        • 2.Bxc5#
      • 1...Sd6
        • 2.Bc5#
      • 1...Sd8
        • 2.Bc5#

This anticipates 39769(2000)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(D)
      • P(b);SBLOCK::QAB1(A)
      • S(c);N_GUARD::B(B)
      • S(c);N_GUARD::B(B),XS(c)
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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).