Problem Display
PID: 35131 (8/8/8/2B2Npk/4p3/8/8/2Q1K3 w - - 0 1)

Cumpe, Josef

Zlata Praha, 1923

8/8/8/2B2Npk/4p3/8/8/2Q1K3

#4

4 + 3


3773 FIDE Album (1914-1944) (II) 1972

SOLUTION


  • SOUND
  • Keys
    • 1.Qc4!
      • 1...Kg4
        • 2.Qxe4+
          • 2...Kh3
            • 3.Kf1
              • threat
                • 4.Qg2#
              • 3...Kh2
                • 4.Qg2#
            • 3.Kf2
              • threat
                • 4.Qg2#
              • 3...Kh2
                • 4.Qg2#
            • 3.Bg1
              • 3...g4
                • 4.Qh1#
            • 3.Bd6
              • 3...g4
                • 4.Qh1#
          • 2...Kh5
            • 3.Sg3+
              • 3...Kh6
                • 4.Bf8#
      • 1...Kg6
        • 2.Qe6+
          • 2...Kh5
            • 3.Sg7+
              • 3...Kh4
                • 4.Bf2#
          • 2...Kh7
            • 3.Qf7+
              • 3...Kh8
                • 4.Bd4#
                • 4.Qg7#
            • 3.Qh6+
              • 3...Kg8
                • 4.Qg7#
            • 3.Bd4
              • threat
                • 4.Qf7#
            • 3.Qf6
              • threat
                • 4.Qg7#
              • 3...Kg8
                • 4.Qg7#
      • 1...e3
        • 2.Sh6
          • 2...Kg6
            • 3.Qf7+
              • 3...Kxh6
                • 4.Bf8#
          • 2...Kxh6
            • 3.Qf7
              • threat
                • 4.Bf8#
              • 3...g4
                • 4.Bxe3#
          • 2...g4
            • 3.Bxe3
              • threat
                • 4.Qxg4#
              • 3...Kh4
                • 4.Qxg4#
              • 3...Kg6
                • 4.Qf7#
              • 3...g3
                • 4.Qg4#
          • 2...e2
            • 3.Bf8
              • 3...Kg6
                • 4.Qf7#
              • 3...g4
                • 4.Qxg4#

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).