Problem Display
PID: 227109 (8/1p6/2k5/1NN1K3/8/8/Q1P5/8 w - - 0 1)

Tolstoy, Stanislav Maksimovic

Schweizerische Schachzeitung, 1985

8/1p6/2k5/1NN1K3/8/8/Q1P5/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qd5+?
      • 1...Kb6
        • 2.Sxb7
          • 2...Ka6
            • 3.Qc6#
      • 1...Kxb5!
    • 1.Qe6+?
      • 1...Kxb5
        • 2.Sxb7
          • 2...Ka4
            • 3.Qb3#
          • 2...Kb4
            • 3.Qb3#
      • 1...Kxc5!
  • Keys
    • 1.Sxb7!
      • threat
        • 2.Qa6+
          • 2...Kd7
            • 3.Qe6#
      • 1...Kxb5
        • 2.Qe6
          • 2...Ka4
            • 3.Qb3#
          • 2...Kb4
            • 3.Qb3#
      • 1...Kb6
        • 2.Qd5
          • 2...Ka6
            • 3.Qc6#
      • 1...Kxb7
        • 2.Qa7+
          • 2...Kc6
            • 3.Sd4#
          • 2...Kc8
            • 3.Qc7#

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).