MESON Chess Problem Database

Problem Display
PID: 148204 (b7/N3B3/Q7/3kpp2/3p4/1R4P1/8/7K w - - 0 1)

Westbury, Eric Ernest

British Chess Magazine, 1900

b7/N3B3/Q7/3kpp2/3p4/1R4P1/8/7K

#2

6 + 5

5454 Near Snap 2013
3713 Snap 2013
17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bc6
      • 2.Qxc6#
  • Keys
    • 1.Qa2!
      • threat
        • 2.Re3#
      • 1...Kc4+
        • 2.Rf3#
      • 1...Ke6+
        • 2.Rb7#
      • 1...Ke4
        • 2.Qg2#
      • 1...d3
        • 2.Rb4#
      • 1...e4
        • 2.Rb5#

Anticipated by 5011(1897)

This anticipates 9829(1910), 44806(2002)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(e);N_GUARD::QAB1(D),XB(e)
  • Actual
    • Q(D);
    • Threat
      • QAB(D)+R(B)
    • Vars
      • K(b);CHECK,S_FLIGHT::QAB(D)+R(B)
      • K(b);S_FLIGHT::QAB(D)
      • P(a);::QAB(D)+R(B)
      • P(c);SBLOCK::QAB(D)+R(B),DCHECK
HTML5 logo

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).