Problem Display
PID: 287326 (1K1B2n1/3p4/B1kpb1N1/2p5/2p5/1n2p3/7R/3Q4 w - - 0 1)

Erdos, Dr Geza

Probleemblad, 1959

1K1B2n1/3p4/B1kpb1N1/2p5/2p5/1n2p3/7R/3Q4

#3

6 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Sa1
      • 2.Bc7
        • threat
          • 3.Qxd6#
        • 2...Bd5
          • 3.Qa4#
        • 2...d5
          • 3.Se5#
          • 3.Qa4#
    • 1...Sf6
      • 2.Se7#
    • 1...Sh6
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
  • Tries
    • 1.Qxb3?
      • threat
        • 2.Bb7#
        • 2.Qb7#
      • 1...Kd5
        • 2.Qxc4+
          • 2...Kc6
            • 3.Bb5#
            • 3.Bb7#
      • 1...cxb3!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Qxd6#
      • 1...Sd2
        • 2.Sf4
          • threat
            • 3.Qa4#
          • 2...Sb3
            • 3.Qxd6#
      • 1...Sd4
        • 2.Rb2
          • threat
            • 3.Bb7#
          • 2...Kd5
            • 3.Bb7#
          • 2...Sb3
            • 3.Qxd6#
      • 1...Bd5
        • 2.Rh6
          • threat
            • 3.Se5#
          • 2...Sxh6
            • 3.Se7#
          • 2...Be6
            • 3.Qxd6#
          • 2...Sf6
            • 3.Se7#

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).