MESON Chess Problem Database

Problem Display
PID: 28687 (8/3P1Q2/1P6/4k3/1K6/8/5N2/5N2 w - - 0 1)

Farebrother, AE

L'Echiquier, 1951

8/3P1Q2/1P6/4k3/1K6/8/5N2/5N2

#2

6 + 1

3248 Miniatures canadiennes 2000
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • 1...Kd4
        • 2.Qf4#
      • 1...Kd6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe4#
        • 2.Qd6#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kf4
        • 2.Qf6#
      • 1...Kxe6!
    • 1.Qg6?
      • 1...Kd4
        • 2.Qe4#
        • 2.Qd6#
      • 1...Kf4
        • 2.Qf6#
      • 1...Kd5!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Se3#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxf6!
    • 1.d8B?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd6!
  • Keys
    • 1.d8S!
      • 1...Kd4
        • 2.Sc6#
      • 1...Kd6
        • 2.Qe6#

This anticipates 15360(1982)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,XQ(F)
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::QAR1(F)
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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).