MESON Chess Problem Database

Problem Display
PID: 9327 (5B2/8/8/4k3/7K/8/B1Q5/8 w - - 0 1)

Greenwood, William M

Leeds Mercury Weekly Supplement, 1880

(First published on Sat Jan 24 1880)

5B2/8/8/4k3/7K/8/B1Q5/8

#2

4 + 1

3360 Simple Two-move Themes 1924
5501 Chess Cameos 1936
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
5454 Near Snap 2007
15239 Valois Notebooks 2015
3713 Snap 2019
9939 64 Shakhmatnoe obozrenie 2022
9939 64 Shakhmatnoe obozrenie 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Kg4?
      • 1...Kf6
        • 2.Qf5#
      • 1...Kd4!
    • 1.Qd3?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kf6!
    • 1.Qe4+?
      • 1...Kf6
        • 2.Qe6#
      • 1...Kxe4!
    • 1.Qc4?
      • 1...Kf6
        • 2.Qe6#
      • 1...Kf5!
  • Keys
    • 1.Bb1!
      • 1...Kd4
        • 2.Qc5#
      • 1...Kf4
        • 2.Qe4#
      • 1...Kd5
        • 2.Qe4#
      • 1...Ke6
        • 2.Qf5#
      • 1...Kf6
        • 2.Qf5#

Anticipated by 120940(1877), 214368(1878)

This anticipates 2392(0000), 222385(1884), 222932(1885), 184881(1908), 189438(1911), 189685(1912), 178322(1928), 96980(1943), 76834(1947), 103960(1993), 202752(2016)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAB1(B)
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).