Problem Display
PID: 77797 (r1n2B2/5p2/P4p2/P1NkpN1P/B7/K2P1p2/7p/5bn1 w - - 0 1)

Valtsinsh, Eduards Frizis

1st Prize, Riga Central CC, 1956

r1n2B2/5p2/P4p2/P1NkpN1P/B7/K2P1p2/7p/5bn1

#4

9 + 10


5559 ECSC 2008

SOLUTION


  • SOUND
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc3+
          • 2...Ke6
            • 3.Sg7#
      • 1...Ke6
        • 2.Bc6
          • threat
            • 3.Sg7#
          • 2...Kxf5
            • 3.Bd7+
              • 3...Kf4
                • 4.Bh6#
      • 1...Bxd3
        • 2.Sc3+
          • 2...Kc4
            • 3.Bb3+
              • 3...Kxc3
                • 4.Bb4#
      • 1...Se2
        • 2.Se3+
          • 2...Kd4
            • 3.Bc5+
              • 3...Kxd3
                • 4.Bc2#
      • 1...Se7
        • 2.Sxf6+
          • 2...Ke6
            • 3.Bd7+
              • 3...Kxf6
                • 4.Bxe7#

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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).