MESON Chess Problem Database

Problem Display
PID: 230700 (8/3p4/2NpN3/p2k1p2/P2P1K2/8/3P4/6Q1 w - - 0 1)

CW of Sunbury (Charles White)

Preston Guardian, 1881

(First published on Wed Nov 23 1881)

8/3p4/2NpN3/p2k1p2/P2P1K2/8/3P4/6Q1

#2

7 + 5

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qb1!
      • 1...Kc4
        • 2.Qb5#
      • 1...Kxc6
        • 2.Qb5#
      • 1...Kxe6
        • 2.Qxf5#
      • 1...dxc6
        • 2.Qa2#
        • 2.Qb3#
      • 1...dxe6
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);S_FLIGHT,XS(F)::QAB1(A)
      • K(b);S_FLIGHT,XS(G)::QAB1(A),XP(c)
      • P(e);SBLOCK,XS(G)::QAR2(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).