Problem Display
PID: 207355 (nQ2Br2/8/1n6/R4r2/P1p2P1R/2Kp1bN1/N2p1B2/3k4 w - - 0 1)

Gerbec, Theodor

Halumbirek, Josef

3rd Prize, Neuigkeits Weltblatt, 1928

nQ2Br2/8/1n6/R4r2/P1p2P1R/2Kp1bN1/N2p1B2/3k4

#4

10 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxf3#
      • 1...Sd5+
        • 2.Rxd5
          • threat
            • 3.Qb1#
          • 2...Sb6
            • 3.Qxb6
              • threat
                • 4.Qb1#
      • 1...Bxb7
        • 2.Kb2
          • threat
            • 3.Sc3#
          • 2...Rb5+
            • 3.Bxb5
              • threat
                • 4.Sc3#
              • 3...Sxa4+
                • 4.Bxa4#
              • 3...c3+
                • 4.Sxc3#
              • 3...Sd5
                • 4.Rh1#
      • 1...Rd5
        • 2.Bh5
          • threat
            • 3.Bxf3#
            • 3.Rh1#
          • 2...Sxa4+
            • 3.Rxa4
              • threat
                • 4.Bxf3#
                • 4.Rh1#
                • 4.Qb1#
          • 2...Re5
            • 3.Bxf3+
              • 3...Re2
                • 4.Rh1#
            • 3.Rh1+
              • 3...Re1
                • 4.Bxf3#
                • 4.Qxf3#
            • 3.Qxf3+
              • 3...Re2
                • 4.Rh1#
                • 4.Qh1#
          • 2...Re8
            • 3.Bxf3+
              • 3...Re2
                • 4.Rh1#
            • 3.Rh1+
              • 3...Re1
                • 4.Bxf3#

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).