Problem Display
PID: 187359 (2rB3n/1pP5/4pK2/N1Pk3B/P3pP2/1N3pPP/1nrP4/7Q w - - 0 1)

Hinkka, Erkki

Tamminen, Veikko Kalervo

Suomen Shakki, 1982

2rB3n/1pP5/4pK2/N1Pk3B/P3pP2/1N3pPP/1nrP4/7Q

#4

13 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bxf3!
      • threat
        • 2.Bxe4#
      • 1...Rxc5
        • 2.Qg1
          • threat
            • 3.Qd4#
            • 3.Qxc5#
          • 2...Kd6
            • 3.Qxc5+
              • 3...Kd7
                • 4.Qe7#
          • 2...Rxa5
            • 3.Qd4+
              • 3...Kc6
                • 4.Sxa5#
          • 2...Rc4
            • 3.Qb6
              • threat
                • 4.Qxe6#
              • 3...Rc6
                • 4.Qd4#
              • 3...e5
                • 4.Qe6#
      • 1...Rc4
        • 2.d4
          • threat
            • 3.Bxe4#
          • 2...Rxd4
            • 3.Bg4
              • threat
                • 4.Bxe6#
              • 3...e5
                • 4.Be6#
          • 2...Rxc5
            • 3.dxc5
              • threat
                • 4.Bxe4#
              • 3...exf3
                • 4.Qxf3#

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).