Problem Display
PID: 105489 (2B5/1N1N4/2k3K1/p5p1/pp1p2p1/bp3p2/8/7Q w - - 0 1)

Bron, Vladimir Akimovich

Sachove umeni (Ceskoslovensky sach), 1983

2B5/1N1N4/2k3K1/p5p1/pp1p2p1/bp3p2/8/7Q

#3

5 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qxf3+?
      • 1...Kc7
        • 2.Qd5
          • threat
            • 3.Qc4#
            • 3.Qc5#
          • 2...Kxc8
            • 3.Qc6#
        • 2.Qf8
          • threat
            • 3.Qc5#
          • 2...Kc6
            • 3.Qc5#
      • 1...gxf3!
    • 1.Qc1+?
      • 1...Kd5
        • 2.Sf6+
          • 2...Ke5
            • 3.Qxg5#
            • 3.Qc7#
      • 1...Bxc1!
    • 1.Qf1?
      • threat
        • 2.Qc4#
      • 1...d3
        • 2.Qxd3
          • threat
            • 3.Qc4#
          • 2...Kc7
            • 3.Qc4#
      • 1...Kd5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qe5
          • threat
            • 3.Sxa5#
            • 3.Sd8#
            • 3.Qc5#
      • 1...Kb5
        • 2.Sxa5
          • threat
            • 3.Qe5#
          • 2...Kxa5
            • 3.Qe5#
      • 1...Kd5
        • 2.Sxa5
          • threat
            • 3.Qe5#
          • 2...Kd6
            • 3.Qe5#
      • 1...Kc7
        • 2.Qe6
          • threat
            • 3.Qc4#
          • 2...Kxc8
            • 3.Qc6#
      • 1...b2
        • 2.Qe4+
          • 2...Kb5
            • 3.Sd6#
          • 2...Kc7
            • 3.Qc2#

FEATURES


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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).