Problem Display
PID: 254918 (8/8/1K6/3p4/kp6/5Q2/8/8 w - - 0 1)

Karin, Aleksey

Zadachi i Etyudi, 2006

8/8/1K6/3p4/kp6/5Q2/8/8

#3

2 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qd1+?
      • 1...b3
        • 2.Kc5
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Ka5
            • 3.Qa1#
      • 1...Ka3!
    • 1.Qxd5?
      • threat
        • 2.Qa2#
      • 1...b3
        • 2.Qa5#
      • 1...Ka3!
    • 1.Qd3?
      • 1...d4
        • 2.Kc5
          • 2...Ka5
            • 3.Qb5#
          • 2...b3
            • 3.Qa6#
      • 1...b3!
  • Keys
    • 1.Kc5!
      • 1...Ka5
        • 2.Qe2
          • threat
            • 3.Qb5#
            • 3.Qa2#
          • 2...Ka4
            • 3.Qa2#
        • 2.Qxd5
          • threat
            • 3.Qa2#
            • 3.Qa8#
          • 2...Ka4
            • 3.Qa2#
          • 2...Ka6
            • 3.Qa8#
      • 1...b3
        • 2.Qd1
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Ka5
            • 3.Qa1#
        • 2.Qc3
          • threat
            • 3.Qa1#
            • 3.Qb4#
          • 2...Ka3
            • 3.Qa1#
      • 1...d4
        • 2.Qd3
          • 2...Ka5
            • 3.Qb5#
          • 2...b3
            • 3.Qa6#

FEATURES


NOT CLASSIFIED


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).