Problem Display
PID: 85309 (8/p3pN2/PP2k1P1/1P4P1/2P3pr/3K2pq/6Bb/3Q4 w - - 0 1)

Abramenko, Sergey Petrovich

Zheltonozhko, Vladimir Ivanovich

Sp. Prize, Uralski Problemist, 1998

8/p3pN2/PP2k1P1/1P4P1/2P3pr/3K2pq/6Bb/3Q4

#4

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Qh1!
      • threat
        • 2.Bd5+
          • 2...Kd7
            • 3.Be6+
              • 3...Kxe6
                • 4.Qd5#
              • 3...Ke8
                • 4.Qa8#
      • 1...Kf5
        • 2.Be4+
          • 2...Ke6
            • 3.Bf5+
              • 3...Kxf5
                • 4.Qe4#
      • 1...Kd7
        • 2.Bc6+
          • 2...Kc8
            • 3.Bd7+
              • 3...Kxd7
                • 4.Qc6#
              • 3...Kb8
                • 4.Qb7#
      • 1...axb6
        • 2.Bd5+
          • 2...Kd7
            • 3.Be6+
              • 3...Kxe6
                • 4.Qd5#
              • 3...Kc7
                • 4.Qb7#
              • 3...Ke8
                • 4.Qa8#

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).