Problem Display
PID: 77127 (7B/8/6Q1/7B/8/8/3k4/7K w - - 0 1)

Davey, David Murray

The Tablet, 1948

(First published on Sat Dec 18 1948)

7B/8/6Q1/7B/8/8/3k4/7K

#2

4 + 1


5454 Near Snap 2008
  • SOUND
  • Tries
    • 1.Qd3+?
      • 1...Kc1
        • 2.Qd1#
      • 1...Ke1
        • 2.Qe2#
      • 1...Kxd3!
    • 1.Qg1?
      • 1...Kc2
        • 2.Qd1#
      • 1...Kd3!
    • 1.Qg2+?
      • 1...Kc1
        • 2.Qb2#
      • 1...Ke1
        • 2.Bc3#
        • 2.Qe2#
      • 1...Kd3
        • 2.Qe2#
      • 1...Ke3!
    • 1.Qd6+?
      • 1...Kc1
        • 2.Qd1#
      • 1...Kc2
        • 2.Qd1#
      • 1...Ke3
        • 2.Qd4#
      • 1...Ke1!
  • Keys
    • 1.Qg4!
      • 1...Kc1
        • 2.Qd1#
      • 1...Ke1
        • 2.Qe2#
      • 1...Kc2
        • 2.Qd1#
      • 1...Kd3
        • 2.Qe2#
      • 1...Ke3
        • 2.Qd4#

Anticipated by 2175(0000), 49566(0000), 47351(1888), 181089(1904), 121530(1905), 182335(1906), 182229(1906), 194004(1917), 195071(1918), 205689(1925), 174121(1926), 227673(1926)

This anticipates 10704(1967), 11832(1972)



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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).