MESON Chess Problem Database

Problem Display
PID: 262420 (7K/3Q4/4P3/5k1p/4NN1P/8/4P3/8 w - - 0 1)

Hopkins, EL

The Field, 1888

(First published on Sat Jun 30 1888)

7K/3Q4/4P3/5k1p/4NN1P/8/4P3/8

#2

7 + 2

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Kxf4!
  • Keys
    • 1.Sg6!
      • 1...Kxe4
        • 2.Qd3#
      • 1...Kg4
        • 2.e7#
      • 1...Kxg6
        • 2.Qh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(B)::QAB1(F)
      • K(a);N_GUARD,S_FLIGHT::QAB(F)+P(E)
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(F)
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).