Problem Display
PID: 186600 (2rb4/B1pN1Kp1/p3Q1P1/k7/Pp1N1p2/5q2/1n6/R3n2r w - - 0 1)

von Holzhausen, Walther Freiherr

Deutsches Wochenschach, 1912

2rb4/B1pN1Kp1/p3Q1P1/k7/Pp1N1p2/5q2/1n6/R3n2r

#4

8 + 12


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Qe4!
      • threat
        • 2.Sc6#
      • 1...c5
        • 2.Qxf3
          • threat
            • 3.Sb3#
          • 2...Sxa4
            • 3.Qb3
              • threat
                • 4.Rxa4#
                • 4.Qxa4#
          • 2...cxd4
            • 3.Qd5+
              • 3...Rc5
                • 4.Qxc5#
          • 2...c4
            • 3.Qd5+
              • 3...Rc5
                • 4.Sc6#
                • 4.Qxc5#
      • 1...Qc3
        • 2.Qe5+
          • 2...c5
            • 3.Qc7+
              • 3...Rxc7
                • 4.Bb6#
              • 3...Bxc7
                • 4.Sc6#
      • 1...c6
        • 2.Qxf3
          • threat
            • 3.Sb3#
          • 2...Sxa4
            • 3.Qb3
              • threat
                • 4.Rxa4#
                • 4.Qxa4#

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).