Problem Display
PID: 89415 (1Q6/1B6/pP6/K1P5/p1kB4/1N3pp1/8/5nn1 w - - 0 1)

Zimmermann, Stepan

Zlata Praha, 1890

1Q6/1B6/pP6/K1P5/p1kB4/1N3pp1/8/5nn1

#3

7 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Be4?
      • threat
        • 2.Qg8#
      • 1...Kxb3
        • 2.Qe8
          • threat
            • 3.Qxa4#
          • 2...Ka2
            • 3.Qxa4#
          • 2...Ka3
            • 3.Qxa4#
          • 2...Kc4
            • 3.Qxa4#
          • 2...a3
            • 3.Qf7#
            • 3.Qe6#
            • 3.Qg8#
      • 1...Se3
        • 2.Qg8+
          • 2...Sd5
            • 3.Qxd5#
      • 1...axb3!
    • 1.Bxa6+?
      • 1...Kd5
        • 2.Qe5+
          • 2...Kc6
            • 3.Qd6#
            • 3.Qe6#
        • 2.Qd6+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kxb3!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Be4
          • threat
            • 3.Qxa4#
            • 3.Qf7#
            • 3.Qe6#
            • 3.Qg8#
          • 2...Kxb3
            • 3.Qxa4#
          • 2...axb3
            • 3.Qa4#
      • 1...Kd3
        • 2.Qe4+
          • 2...Kc4
            • 3.Bd5#
            • 3.Qc2#
      • 1...axb3
        • 2.Qe4
          • threat
            • 3.Bd5#
            • 3.Bxa6#
      • 1...Sd2
        • 2.Qxa4+
          • 2...Kd3
            • 3.Sc1#
      • 1...Se3
        • 2.Qxe3
          • threat
            • 3.Sd2#
            • 3.Qc3#
      • 1...Se2
        • 2.Qe6+
          • 2...Kd3
            • 3.Be4#
      • 1...a3
        • 2.Be4
          • threat
            • 3.Qa4#
            • 3.Qf7#
            • 3.Qe6#
            • 3.Qg8#
          • 2...Kxb3
            • 3.Qf7#
            • 3.Qe6#
            • 3.Qg8#
        • 2.Qe4
          • threat
            • 3.Bd5#
            • 3.Qc2#
          • 2...Kxb3
            • 3.Bd5#
          • 2...Se3
            • 3.Sd2#

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).