Problem Display
PID: 214287 (8/8/4p1N1/1Q3p2/3pk1b1/P2Rp1p1/1p5b/nK6 w - - 0 1)

Szabo, Georgy

Illustrirte Zeitung, 1877

8/8/4p1N1/1Q3p2/3pk1b1/P2Rp1p1/1p5b/nK6

#4

5 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rd1!
      • threat
        • 2.Qc6#
        • 2.Qb7#
      • 1...Bxd1
        • 2.Qb7+
          • 2...Kd3
            • 3.Sf4+
              • 3...Kd2
                • 4.Qb4#
              • 3...Kc3
                • 4.Qb4#
              • 3...Kc4
                • 4.Qb4#
      • 1...e2
        • 2.Qe5+
          • 2...Kf3
            • 3.Sh4+
              • 3...Kf2
                • 4.Qxd4#
      • 1...d3
        • 2.Qxd3+
          • 2...Kf3
            • 3.Rf1+
              • 3...Kg2
                • 4.Sf4#
            • 3.Qf1+
              • 3...Ke4
                • 4.Qf4#
        • 2.Qc4+
          • 2...Kf3
            • 3.Qf4+
              • 3...Ke2
                • 4.Qf1#
              • 3...Kg2
                • 4.Qf1#
        • 2.Qe5+
          • 2...Kf3
            • 3.Qf4+
              • 3...Ke2
                • 4.Qf1#
              • 3...Kg2
                • 4.Qf1#
        • 2.Rf1
          • threat
            • 3.Rf4#
            • 3.Qc4#
            • 3.Qe5#
          • 2...Kd4
            • 3.Rf4+
              • 3...Kc3
                • 4.Qxb2#
                • 4.Qb4#
      • 1...f4
        • 2.Qe5+
          • 2...Kf3
            • 3.Qxf4+
              • 3...Ke2
                • 4.Qf1#
              • 3...Kg2
                • 4.Qf1#

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).