Problem Display
PID: 82456 (b7/Bk6/4NK2/8/8/8/Q7/8 w - - 0 1)

Zinoviev, Nikolai

Serp i molot, 1989

b7/Bk6/4NK2/8/8/8/Q7/8

#3

4 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Ke5?
      • threat
        • 2.Qa5
          • 2...Kc6
            • 3.Qd5#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kc6
        • 2.Qd5#
      • 1...Kc8!
    • 1.Sc5+?
      • 1...Kc7
        • 2.Qf7+
          • 2...Kc6
            • 3.Qd7#
          • 2...Kd6
            • 3.Qd7#
          • 2...Kc8
            • 3.Qd7#
          • 2...Kd8
            • 3.Qd7#
      • 1...Kc8
        • 2.Qe6+
          • 2...Kc7
            • 3.Qd7#
          • 2...Kd8
            • 3.Bb6#
            • 3.Qd7#
        • 2.Qh2
          • threat
            • 3.Qb8#
          • 2...Kd8
            • 3.Qb8#
      • 1...Kc6!
    • 1.Qa3?
      • threat
        • 2.Qc5
          • 2...Ka6
            • 3.Qb6#
      • 1...Kc8
        • 2.Qe7
          • threat
            • 3.Qc7#
      • 1...Kc6!
    • 1.Qa5?
      • threat
        • 2.Ke5
          • 2...Kc6
            • 3.Qd5#
          • 2...Kc8
            • 3.Qc7#
        • 2.Ke7
          • 2...Kc6
            • 3.Sd8#
          • 2...Kc8
            • 3.Qc7#
        • 2.Qb6+
          • 2...Kc8
            • 3.Qc7#
        • 2.Qc7+
          • 2...Ka6
            • 3.Qb6#
        • 2.Qc5
          • 2...Ka6
            • 3.Qb6#
      • 1...Kc8
        • 2.Qc7#
      • 1...Kc6!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Qa4
          • 2...Kc8
            • 3.Qd7#
        • 2.Qa5
          • 2...Kc6
            • 3.Sd8#
          • 2...Kc8
            • 3.Qc7#
      • 1...Kc6
        • 2.Qb3
          • 2...Bb7
            • 3.Qc4#
      • 1...Kc8
        • 2.Qb2
          • threat
            • 3.Qb8#
          • 2...Bb7
            • 3.Qh8#

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).