MESON Chess Problem Database

Problem Display
PID: 142827 (8/8/8/8/8/8/1pN1kN2/bK2B1Q1 w - - 0 1)

Francey, James

Belfast Newsletter, 1930

(First published on Thu Nov 20 1930)

8/8/8/8/8/8/1pN1kN2/bK2B1Q1

#2

5 + 3

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Qg4#
  • Tries
    • 1.Qg5?
      • 1...Kf3
        • 2.Sd4#
        • 2.Qg4#
      • 1...Kf1!
    • 1.Qg6?
      • threat
        • 2.Qd3#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf1!
    • 1.Qg7?
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf1!
    • 1.Qg8?
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf1!
  • Keys
    • 1.Bd2!
      • 1...Kxd2
        • 2.Qe1#
      • 1...Kf3
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAB1(C)
  • Tries
    • Try
      • Q(C);
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);S_FLIGHT::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(c);P-FLIGHT,XB(B)::QAB1(C)
      • K(c);S_FLIGHT::S(D)
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).