Problem Display
PID: 35786 (n5rb/P2Q4/1ppp1p2/6p1/1p2p3/8/8/k1K5 w - - 0 1)

Zepler, Erich Ernest

1st Prize, Dresdner Anzeiger, 1929

n5rb/P2Q4/1ppp1p2/6p1/1p2p3/8/8/k1K5

#4

3 + 11


13255 Hoekstenen 1967
3773 FIDE Album (1914-1944) (II) 1972
56 The Problemist 1980

SOLUTION


  • SOUND
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qb3
          • threat
            • 3.Qa4#
            • 3.Qb1#
            • 3.Qb2#
      • 1...d5
        • 2.Qd6
          • threat
            • 3.Qxb4
              • threat
                • 4.Qa3#
                • 4.Qb1#
                • 4.Qb2#
                • 4.Qa4#
              • 3...Ka2
                • 4.Qb2#
                • 4.Qa4#
          • 2...Ka2
            • 3.Qxb4
              • threat
                • 4.Qb2#
                • 4.Qa4#
              • 3...Ka1
                • 4.Qa3#
                • 4.Qb1#
                • 4.Qb2#
                • 4.Qa4#
          • 2...b5
            • 3.Qxb4
              • threat
                • 4.Qa3#
                • 4.Qa5#
                • 4.Qb1#
                • 4.Qb2#
              • 3...Ka2
                • 4.Qb2#
          • 2...c5
            • 3.Qc6
              • threat
                • 4.Qa4#
              • 3...Ka2
                • 4.Qa4#
              • 3...b5
                • 4.Qa6#
          • 2...f5
            • 3.Qxb4
              • threat
                • 4.Qa3#
                • 4.Qb1#
                • 4.Qa4#
              • 3...Bb2+
                • 4.Qxb2#
              • 3...Ka2
                • 4.Qa4#

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).