Problem Display
PID: 126987 (8/K2pQ3/8/pk6/1Np5/8/P7/8 w - - 0 1)

Kubbel, Leonid Ivanovich

Narodni listy, 1909

8/K2pQ3/8/pk6/1Np5/8/P7/8

#3

4 + 4


3713 Snap 2009
6490 yacpdb 2009
  • SOUND
  • Tries
    • 1.Qc5+?
      • 1...Ka4
        • 2.Sc2
          • threat
            • 3.Qxc4#
          • 2...c3
            • 3.Qc4#
          • 2...d5
            • 3.Qc6#
        • 2.Sd5
          • threat
            • 3.Sc3#
            • 3.Sb6#
      • 1...Kxc5!
    • 1.Qxd7+?
      • 1...Kc5
        • 2.Sa6#
      • 1...Kxb4!
  • Keys
    • 1.Qd6!
      • 1...Ka4
        • 2.Sd5
          • threat
            • 3.Sc3#
          • 2...Kb5
            • 3.Sc3#
          • 2...c3
            • 3.Sxc3#
      • 1...axb4
        • 2.Qb6+
          • 2...Ka4
            • 3.Qa6#
      • 1...c3
        • 2.Sc2
          • 2...Ka4
            • 3.Qxd7#
          • 2...Kc4
            • 3.Sa3#
          • 2...a4
            • 3.Qd5#

Anticipated by 127037(1893)



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).