Problem Display
PID: 179845 (4K1B1/8/8/b7/8/8/1pN1Q3/1kr5 w - - 0 1)

Zalkind, Lazar Borissovich

Deutsche Schachzeitung, 1911

4K1B1/8/8/b7/8/8/1pN1Q3/1kr5

#4

4 + 4


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Qd3!
      • threat
        • 2.Sa3+
          • 2...Ka1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
      • 1...Re1+
        • 2.Sxe1+
          • 2...Ka1
            • 3.Sc2+
              • 3...Kb1
                • 4.Qd1#
      • 1...Rxc2
        • 2.Qd1+
          • 2...Rc1
            • 3.Bh7+
              • 3...Ka1
                • 4.Qa4#
              • 3...Ka2
                • 4.Qa4#
      • 1...Rf1
        • 2.Sa3+
          • 2...Ka1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
      • 1...Rg1
        • 2.Sa3+
          • 2...Ka1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#
      • 1...Rh1
        • 2.Sa3+
          • 2...Ka1
            • 3.Qb1+
              • 3...Rxb1
                • 4.Sc2#

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).