Problem Display
PID: 118854 (8/1p6/kp3N2/7Q/8/p7/8/K7 w - - 0 1)

Trzesowski, Andrzej

Express Wieczorny, 1954

8/1p6/kp3N2/7Q/8/p7/8/K7

#3

3 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ka7
        • 2.Sd7
          • threat
            • 3.Qa4#
          • 2...Ka8
            • 3.Qa4#
      • 1...Kxb5!
  • Keys
    • 1.Sd7!
      • 1...Ka7
        • 2.Qb5
          • threat
            • 3.Qa4#
          • 2...Ka8
            • 3.Qa4#
      • 1...b5
        • 2.Qc5
          • threat
            • 3.Qxa3#
            • 3.Qb6#
          • 2...Ka5
            • 3.Qxa3#
          • 2...b6
            • 3.Qxb6#
      • 1...a2
        • 2.Qd5
          • 2...Ka7
            • 3.Qxa2#
          • 2...b5
            • 3.Qxa2#

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).