Problem Display
PID: 252985 (N2k4/pB1p3K/1qP3pP/1n2RP2/1r6/2R4p/4p2Q/3nB3 w - - 0 1)

Ehlers, Carsten

Ehlers, Rainer

StrateGems, 2021

N2k4/pB1p3K/1qP3pP/1n2RP2/1r6/2R4p/4p2Q/3nB3

#4

10 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qg5#
      • 1...Qxg1
        • 2.Rd3
          • threat
            • 3.Rxd7#
          • 2...Qd4
            • 3.Bh4+
              • 3...Qxh4
                • 4.Rxd7#
              • 3...g5
                • 4.Bxg5#
          • 2...Rd4
            • 3.Ba5+
              • 3...Sc7
                • 4.Bxc7#
          • 2...d5
            • 3.Rdxd5+
              • 3...Sd6
                • 4.Rxd6#
          • 2...d6
            • 3.c7+
              • 3...Kd7
                • 4.c8Q#
              • 3...Sxc7
                • 4.Rxd6#
      • 1...Qe3
        • 2.Rcxe3
          • threat
            • 3.Re8#
            • 3.Qg5#
          • 2...dxc6
            • 3.Qg5+
              • 3...Kd7
                • 4.Qe7#
      • 1...Rg4
        • 2.Bh4+
          • 2...g5
            • 3.Bxg5+
              • 3...Rxg5
                • 4.Qxg5#

FEATURES


NOT CLASSIFIED


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).