Problem Display
PID: 255937 (K7/2p5/3k4/8/6Q1/8/3B4/2R5 w - - 0 1)

Karin, Aleksey

Zadachi i Etyudi, 2007

K7/2p5/3k4/8/6Q1/8/3B4/2R5

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Bb4+?
      • 1...Kd5
        • 2.Be7
          • threat
            • 3.Rc5#
          • 2...Ke5
            • 3.Rc5#
          • 2...c5
            • 3.Rxc5#
        • 2.Qf5+
          • 2...Kd4
            • 3.Bc5#
      • 1...Ke5
        • 2.Be7
          • threat
            • 3.Rc5#
          • 2...Kd5
            • 3.Rc5#
          • 2...c5
            • 3.Rxc5#
      • 1...c5!
    • 1.Rc6+?
      • 1...Kd5
        • 2.Qf3+
          • 2...Kd4
            • 3.Bc3#
          • 2...Ke5
            • 3.Bc3#
      • 1...Ke5
        • 2.Bc3+
          • 2...Kd5
            • 3.Qf3#
            • 3.Qe6#
            • 3.Qg2#
            • 3.Qc4#
        • 2.Be3
          • 2...Kd5
            • 3.Qe6#
        • 2.Qf3
          • 2...Kd4
            • 3.Bc3#
        • 2.Qc4
          • 2...Kf5
            • 3.Qe6#
            • 3.Qf4#
      • 1...Ke7
        • 2.Qe6+
          • 2...Kd8
            • 3.Bg5#
          • 2...Kf8
            • 3.Bh6#
      • 1...Kxc6!
  • Keys
    • 1.Rxc7!
      • 1...Kd5
        • 2.Bc3
          • 2...Kd6
            • 3.Qd7#
      • 1...Ke5
        • 2.Rd7
          • 2...Kf6
            • 3.Bc3#
      • 1...Kxc7
        • 2.Qe6
          • 2...Kd8
            • 3.Ba5#

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).