Problem Display
PID: 266056 (K7/6Q1/4k3/8/1N2N3/8/6P1/8 w - - 0 1)

Vladimirov, Evgeny

Die Schwalbe, 1973

K7/6Q1/4k3/8/1N2N3/8/6P1/8

#3

5 + 1


3713 Snap 2022
  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Kf5
        • 2.Sdc5
          • 2...Kf4
            • 3.Qg5#
      • 1...Kd5!
    • 1.Sa6?
      • 1...Kf5
        • 2.Sac5
          • 2...Kf4
            • 3.Qg5#
      • 1...Kd5!
    • 1.Qf8?
      • 1...Kd7
        • 2.Sc5+
          • 2...Kc7
            • 3.Qb8#
      • 1...Ke5!
    • 1.Qf7+?
      • 1...Ke5
        • 2.Sc6+
          • 2...Kxe4
            • 3.Qf3#
      • 1...Kxf7!
  • Keys
    • 1.Sc6!
      • 1...Kd5
        • 2.Qf7+
          • 2...Kxe4
            • 3.Qf3#
          • 2...Kxc6
            • 3.Qb7#
      • 1...Kf5
        • 2.Qf6+
          • 2...Kxe4
            • 3.Qf3#
          • 2...Kg4
            • 3.Qg5#

Anticipated by 155271(1904), 201133(1922)



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).