Problem Display
PID: 5803 (2rr1b2/2p2QpK/2Pk2P1/1P1N2pR/6N1/7n/R1p2p2/2n3B1 w - - 0 1)

Keller, Michael

3rd Prize, Hartong MT, 1989

2rr1b2/2p2QpK/2Pk2P1/1P1N2pR/6N1/7n/R1p2p2/2n3B1

#3

10 + 11


4655 Michael Keller Ein Meister der Schachkomposition 1994

SOLUTION


  • SOUND
  • Tries
    • 1.Sc3?
      • threat
        • 2.Se4#
      • 1...Re8
        • 2.Qd5+
          • 2...Ke7
            • 3.Qd7#
      • 1...Kc5!
  • Keys
    • 1.Sde3!
      • threat
        • 2.Qd5+
          • 2...Ke7
            • 3.Qe5#
      • 1...Kc5
        • 2.Qc4+
          • 2...Kb6
            • 3.Ra6#
          • 2...Kd6
            • 3.Sf5#
      • 1...Rd7
        • 2.Qd5+
          • 2...Ke7
            • 3.Qxd7#
      • 1...Re8
        • 2.Rxc2
          • threat
            • 3.Sf5#
            • 3.Qd7#
        • 2.Qd5+
          • 2...Ke7
            • 3.Sf5#
            • 3.Qd7#
      • 1...Sd3
        • 2.Rxc2
          • threat
            • 3.Sf5#
          • 2...f1Q
            • 3.Sc4#
          • 2...f1R
            • 3.Sc4#
      • 1...Sf4
        • 2.Rxg5
          • threat
            • 3.Sc4#
          • 2...Sd5
            • 3.Rxd5#
          • 2...f1Q
            • 3.Sf5#
          • 2...f1B
            • 3.Sf5#

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).