Problem Display
PID: 216941 (6b1/bp2Knpr/1p3N2/1QNpk3/4p1P1/p1R5/8/3r3n w - - 0 1)

Szabo, Georgy

Oesterreichische Lesehalle, 1890

6b1/bp2Knpr/1p3N2/1QNpk3/4p1P1/p1R5/8/3r3n

#4

6 + 13


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rf3!
      • threat
        • 2.Scd7+
          • 2...Kd4
            • 3.Qa4#
            • 3.Qb4#
            • 3.Qxd5#
        • 2.Sfd7+
          • 2...Kd4
            • 3.Sb3#
            • 3.Se6#
            • 3.Qa4#
            • 3.Qb4#
        • 2.Qa4
          • threat
            • 3.Scd7#
            • 3.Sfd7#
            • 3.Rf5#
        • 2.Qb4
          • threat
            • 3.Scd7#
            • 3.Sfd7#
            • 3.Rf5#
      • 1...exf3
        • 2.Qb4
          • threat
            • 3.Scd7#
            • 3.Sfd7#
          • 2...Rd4
            • 3.Sd3+
              • 3...Rxd3
                • 4.Sd7#
          • 2...d4
            • 3.Qe1+
              • 3...Kf4
                • 4.Se6#
              • 3...Rxe1
                • 4.Sd3#
      • 1...bxc5
        • 2.Sd7+
          • 2...Kd4
            • 3.Qa4+
              • 3...c4
                • 4.Qxd1#
        • 2.Qa4
          • threat
            • 3.Sd7#
            • 3.Rf5#
          • 2...c4
            • 3.Sd7+
              • 3...Kd4
                • 4.Qxd1#

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).