Problem Display
PID: 44340 (3N4/2p3N1/2P2P2/p2k2P1/1pR3p1/1P2P3/3K2n1/8 w - - 0 1)

Wrobel, Marian

The Problemist, 1929

3N4/2p3N1/2P2P2/p2k2P1/1pR3p1/1P2P3/3K2n1/8

#4

9 + 6


SOLUTION


  • SOUND
  • Keys
    • 1.Ke2!
      • threat
        • 2.e4+
          • 2...Ke5
            • 3.Sf7+
              • 3...Kf4
                • 4.Sh5#
      • 1...Sf4+
        • 2.exf4
          • threat
            • 3.Sge6
              • threat
                • 4.Rd4#
              • 3...Kd6
                • 4.Rd4#
          • 2...Kd6
            • 3.Sge6
              • threat
                • 4.Rd4#
              • 3...Kd5
                • 4.Rd4#
      • 1...Sxe3
        • 2.Kxe3
          • threat
            • 3.Sb7
              • threat
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
          • 2...Ke5
            • 3.Rc5+
              • 3...Kd6
                • 4.Sb7#
            • 3.Sb7
              • threat
                • 4.Rc5#
              • 3...Kd5
                • 4.Rc5#
            • 3.Rd4
              • threat
                • 4.Sf7#
          • 2...Kd6
            • 3.Sb7+
              • 3...Kd5
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
            • 3.Kd4
              • threat
                • 4.Sf5#
                • 4.Se8#
                • 4.Sb7#
                • 4.Sf7#
            • 3.Ke4
              • threat
                • 4.Sf5#
                • 4.Se8#
                • 4.Sb7#
                • 4.Sf7#
      • 1...g3
        • 2.e4+
          • 2...Ke5
            • 3.Sf7+
              • 3...Kf4
                • 4.e5#

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).