Problem Display
PID: 184541 (1K6/8/8/NkN1R3/8/8/2P5/8 w - - 0 1)

Kubbel, Leonid Ivanovich

Source?, 1908

1K6/8/8/NkN1R3/8/8/2P5/8

#3

5 + 1


6490 yacpdb 2018
5454 Near Snap 2022
  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ka4
        • 2.Sb3
          • 2...Ka3
            • 3.Ra5#
        • 2.Sc6
          • 2...Ka3
            • 3.Ra5#
        • 2.Sb7
          • 2...Ka3
            • 3.Ra5#
      • 1...Ka6
        • 2.Sb4+
          • 2...Kb6
            • 3.Sc4#
      • 1...Kb6!
  • Keys
    • 1.Sab3!
      • 1...Kb4
        • 2.Sd3+
          • 2...Ka3
            • 3.Ra5#
          • 2...Kc3
            • 3.Rc5#
          • 2...Ka4
            • 3.Ra5#
          • 2...Kc4
            • 3.Rc5#
      • 1...Kc4
        • 2.Sd3
          • 2...Kc3
            • 3.Rc5#
      • 1...Kb6
        • 2.c4
          • 2...Kc6
            • 3.Re6#
      • 1...Kc6
        • 2.c4
          • threat
            • 3.Re6#
          • 2...Kb6
            • 3.Re6#
          • 2...Kd6
            • 3.Re6#

Anticipated by 181458(1904)



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).