Problem Display
PID: 214213 (bR2n3/3N1n2/p3PP2/3p3Q/p1k2rP1/2p1Bp2/2K3p1/b7 w - - 0 1)

Arnell, Alfred Wilhelm Theodor

Illustrirte Zeitung, 1876

bR2n3/3N1n2/p3PP2/3p3Q/p1k2rP1/2p1Bp2/2K3p1/b7

#4

8 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qxf4+
          • 2...d4
            • 3.Qxd4#
      • 1...Rxg4
        • 2.Rb1
          • threat
            • 3.Sb6#
          • 2...Bb2
            • 3.Qxc3+
              • 3...Kb5
                • 4.Qc5#
              • 3...Bxc3
                • 4.Sb6#
      • 1...Bb7
        • 2.Qxf4+
          • 2...Kb5
            • 3.Rxb7+
              • 3...Ka5
                • 4.Qb4#
              • 3...Kc6
                • 4.Rb6#
          • 2...d4
            • 3.Qxd4+
              • 3...Kb5
                • 4.Qc5#
      • 1...Re4
        • 2.Rb1
          • threat
            • 3.Sb6#
          • 2...Rxe3
            • 3.Qd4+
              • 3...Kxd4
                • 4.Rb4#
          • 2...Bb2
            • 3.Qxc3+
              • 3...Kb5
                • 4.Qc5#
              • 3...Bxc3
                • 4.Sb6#

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).