Problem Display
PID: 250376 (8/8/8/2p5/Q4Rp1/2N1k1p1/1b2p1p1/n1n1N1K1 w - - 0 1)

Drtina, Jan

Ceske Ulohy Sachove, 1886

8/8/8/2p5/Q4Rp1/2N1k1p1/1b2p1p1/n1n1N1K1

#3

5 + 9


14986 White-Hume Collection 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Sxg2+?
      • 1...Kd2
        • 2.Sb1+
          • 2...Kd3
            • 3.Qc4#
            • 3.Qe4#
      • 1...Kd3!
    • 1.Sb1?
      • threat
        • 2.Re4#
        • 2.Qe4#
      • 1...c4
        • 2.Sxg2+
          • 2...Kd3
            • 3.Qxc4#
        • 2.Qxc4
          • threat
            • 3.Sxg2#
            • 3.Re4#
            • 3.Qe4#
      • 1...Bd4!
    • 1.Qd7?
      • threat
        • 2.Sxg2#
        • 2.Re4#
      • 1...Kxf4
        • 2.Qd5
          • threat
            • 3.Sxg2#
          • 2...Ke3
            • 3.Sxg2#
      • 1...Sd3!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sxg2#
        • 2.Sd5#
        • 2.Re4#
      • 1...Kxf4
        • 2.Qd5
          • threat
            • 3.Sxg2#
          • 2...Ke3
            • 3.Sxg2#
      • 1...exd1Q
        • 2.Re4+
          • 2...Kd2
            • 3.Sb1#
      • 1...exd1S
        • 2.Re4+
          • 2...Kd2
            • 3.Sb1#
      • 1...exd1B
        • 2.Re4+
          • 2...Kd2
            • 3.Sb1#
      • 1...exd1R
        • 2.Re4+
          • 2...Kd2
            • 3.Sb1#

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).