Problem Display
PID: 53584 (8/1p2p2K/4P3/5P2/1p1B1P2/3k1p2/2N2Q1P/8 w - - 0 1)

Petrasinovic, Petrasin

Comm., Uralski Problemist, 2004

8/1p2p2K/4P3/5P2/1p1B1P2/3k1p2/2N2Q1P/8

#4

8 + 5


SOLUTION


  • SOUND
  • Keys
    • 1.Bb6!
      • 1...Kc3
        • 2.Sa1
          • threat
            • 3.Qd4#
            • 3.Qc2#
          • 2...Kc4
            • 3.Qc5+
              • 3...Kd3
                • 4.Qc2#
      • 1...Kc4
        • 2.Sd4
          • threat
            • 3.Qxf3
              • 3...b3
                • 4.Qxb3#
          • 2...Kd3
            • 3.Qc2+
              • 3...Ke3
                • 4.Se2#
          • 2...Kd5
            • 3.Qxf3+
              • 3...Kc4
                • 4.Qb3#
              • 3...Kd6
                • 4.Sb5#
          • 2...b3
            • 3.Qxf3
              • threat
                • 4.Qxb3#
              • 3...Kb4
                • 4.Qxb3#
              • 3...b2
                • 4.Qb3#
      • 1...Ke4
        • 2.Qe3+
          • 2...Kd5
            • 3.Qd4+
              • 3...Kc6
                • 4.Qc5#
          • 2...Kxf5
            • 3.h3
              • threat
                • 4.Qe5#
              • 3...Kf6
                • 4.Qe5#
      • 1...b3
        • 2.Sb4+
          • 2...Ke4
            • 3.Kg6
              • threat
                • 4.Qe3#
                • 4.Qd4#
              • 3...Kxf4
                • 4.Qd4#

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).