Problem Display
PID: 227459 (6Q1/8/1B2K3/8/B7/3k4/8/8 w - - 0 1)

Roscher, Willy

Der Hammer, 1926

6Q1/8/1B2K3/8/B7/3k4/8/8

#2

4 + 1


6490 yacpdb 2020
5454 Near Snap 2021
  • SOUND
  • Tries
    • 1.Qg3+?
      • 1...Kd2
        • 2.Qe3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Bc2#
        • 2.Bc6#
        • 2.Qe3#
      • 1...Ke2!
    • 1.Qg4?
      • 1...Kc3
        • 2.Qd4#
      • 1...Kd2!
    • 1.Qd8+?
      • 1...Ke2
        • 2.Qd1#
      • 1...Kc3
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4!
  • Keys
    • 1.Qg1!
      • 1...Kd2
        • 2.Qe3#
      • 1...Ke2
        • 2.Qd1#
      • 1...Kc3
        • 2.Qd4#
      • 1...Kc4
        • 2.Qd4#
      • 1...Ke4
        • 2.Qe3#

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)



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).