Problem Display
PID: 20359 (2b5/2P1rp2/p1P2Np1/5kP1/p1B1pP1p/1nN1P3/3p4/3K4 w - - 0 1)

Goldstein, Alexander

Whyatt, William Albert

Europe Echecs, 1969

2b5/2P1rp2/p1P2Np1/5kP1/p1B1pP1p/1nN1P3/3p4/3K4

#4

9 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Se2!
      • threat
        • 2.Bxb3
          • threat
            • 3.Sd4#
          • 2...Rd7
            • 3.cxd7
              • threat
                • 4.Sd4#
                • 4.dxc8Q#
                • 4.dxc8B#
      • 1...Rxc7
        • 2.Bxb3
          • threat
            • 3.Sd4#
          • 2...Rd7
            • 3.cxd7
              • threat
                • 4.Sd4#
                • 4.dxc8Q#
                • 4.dxc8B#
      • 1...Re5
        • 2.Bxb3
          • threat
            • 3.Sd4#
          • 2...Rd5
            • 3.Bxd5
              • threat
                • 4.Sd4#
      • 1...Re6
        • 2.Sd4+
          • 2...Sxd4
            • 3.Bf1
              • threat
                • 4.Bh3#
              • 3...h3
                • 4.Bxh3#
      • 1...Rd7
        • 2.cxd7
          • threat
            • 3.dxc8Q#
            • 3.dxc8B#
          • 2...Bxd7
            • 3.Bxb3
              • threat
                • 4.Sd4#
          • 2...Bb7
            • 3.Bxb3
              • threat
                • 4.Sd4#
      • 1...Re8
        • 2.Bxb3
          • threat
            • 3.Sd4#
          • 2...Rd8
            • 3.cxd8Q
              • threat
                • 4.Sd4#
                • 4.Qa5#
                • 4.Qd5#
                • 4.Qxc8#
            • 3.cxd8S
              • threat
                • 4.Sd4#
            • 3.cxd8B
              • threat
                • 4.Sd4#
            • 3.cxd8R
              • threat
                • 4.Sd4#
      • 1...Be6
        • 2.Sg3+
          • 2...hxg3
            • 3.Be2
              • threat
                • 4.Bg4#
      • 1...Bb7
        • 2.Bxb3
          • threat
            • 3.Sd4#
          • 2...Rd7
            • 3.cxd7
              • threat
                • 4.Sd4#

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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).