Problem Display
PID: 227672 (4B3/5Q2/8/8/1k3K2/8/8/B7 w - - 0 1)

Lies, Heinz

Arbeiter Shachzeitung (Chemnitz), 1926

4B3/5Q2/8/8/1k3K2/8/8/B7

#2

4 + 1


6490 yacpdb 2020
5454 Near Snap 2021
  • SOUND
  • Tries
    • 1.Qc4+?
      • 1...Ka3
        • 2.Qa4#
      • 1...Ka5
        • 2.Qb5#
      • 1...Kxc4!
    • 1.Qa7?
      • 1...Kb3
        • 2.Qa4#
      • 1...Kc4!
    • 1.Qb7+?
      • 1...Ka3
        • 2.Qb2#
      • 1...Kc4
        • 2.Qb5#
      • 1...Ka5
        • 2.Bc3#
        • 2.Qb5#
      • 1...Kc5!
  • Keys
    • 1.Qd7!
      • 1...Ka3
        • 2.Qa4#
      • 1...Kb3
        • 2.Qa4#
      • 1...Kc4
        • 2.Qb5#
      • 1...Ka5
        • 2.Qb5#
      • 1...Kc5
        • 2.Qd4#

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

This anticipates 174121(1926), 77127(1948), 10704(1967), 11832(1972), 12251(1976), 196647(1999)



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