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), 182229(1906)

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



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).