MESON Chess Problem Database

Problem Display
PID: 4526 (8/8/2NK4/8/4kN1P/Q7/8/8 w - - 0 1)

Hawkins, Xenophon

Dubuque Chess Journal, 1875

8/8/2NK4/8/4kN1P/Q7/8/8

#2

5 + 1

5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxf4
        • 2.Qf3#
      • 1...Kf5!
    • 1.Se7?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxf4!
  • Keys
    • 1.Sd4!
      • 1...Kxd4
        • 2.Qd3#
      • 1...Kxf4
        • 2.Qf3#

This anticipates 86811(1970)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);P-FLIGHT,XS(B)::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
  • Actual
    • S(D);
    • Vars
      • K(a);P-FLIGHT,XS(D)::QAR1(A)
      • K(a);P-FLIGHT,XS(B)::QAR1(A)
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).