Problem Display
PID: 200318 (1Q6/3p4/2Pp4/3p2p1/2pk4/P7/1p4K1/1B1N4 w - - 0 1)

Petrasinovic, Petrasin

HM., Sachova skladba, 2013

1Q6/3p4/2Pp4/3p2p1/2pk4/P7/1p4K1/1B1N4

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Se3!
      • threat
        • 2.Sf5+
          • 2...Kc5
            • 3.Qa7+
              • 3...Kb5
                • 4.Sd4#
              • 3...Kxc6
                • 4.Sd4#
      • 1...Kc3
        • 2.Qb4+
          • 2...Kd4
            • 3.Sf5+
              • 3...Ke5
                • 4.Qxd6#
      • 1...Kc5
        • 2.Qa7+
          • 2...Kb5
            • 3.Bc2
              • threat
                • 4.Ba4#
              • 3...Kxc6
                • 4.Ba4#
          • 2...Kxc6
            • 3.Bf5
              • threat
                • 4.Bxd7#
              • 3...Kb5
                • 4.Bxd7#
      • 1...Ke5
        • 2.Qh8+
          • 2...Ke6
            • 3.Qg7
              • threat
                • 4.Bf5#
      • 1...c3
        • 2.Qa7+
          • 2...Ke5
            • 3.Sg4+
              • 3...Kf4
                • 4.Qd4#
              • 3...Ke6
                • 4.Qxd7#

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).