MESON Chess Problem Database

Problem Display
PID: 145459 (1b2bn2/3n4/1p3p2/3N4/3k4/BP3Q2/8/7K w - - 0 1)

Wingrove, F

The Observer, 1924

(First published on Sun Sep 14 1924)

1b2bn2/3n4/1p3p2/3N4/3k4/BP3Q2/8/7K

#2

5 + 7

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Bb2#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sc6#
      • 1...Kc5
        • 2.Qd5#
      • 1...Sc5
        • 2.Bb2#
      • 1...Se5
        • 2.Sc2#
      • 1...Ke5!
  • Keys
    • 1.Se7!
      • threat
        • 2.Sc6#
      • 1...Ke5
        • 2.Qe3#
      • 1...Sc5
        • 2.Bb2#
      • 1...Se5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK::B(B)
  • Tries
    • Try
      • S(E);
      • Threat
        • S(E)
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
        • S(d);SBLOCK::B(B)
        • S(d);SBLOCK::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(a);S_FLIGHT::QAR2(D)
      • S(d);SBLOCK::B(B)
      • S(d);SBLOCK::S(E)
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).