Problem Display
PID: 118114 (8/1P2P3/5B2/3p2p1/3P2pP/2pB1pP1/2P2kpp/2K3br w - - 0 1)

Pauly, Wolfgang

Magyar Sakkvilag, 1911

8/1P2P3/5B2/3p2p1/3P2pP/2pB1pP1/2P2kpp/2K3br

#4

9 + 10


1829 The Theory of Pawn Promotion 1912
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.b8B!
      • threat
        • 2.Bxg5
          • 2...Ke1
            • 3.e8Q+
              • 3...Kf2
                • 4.Qe3#
              • 3...Be3+
                • 4.Qxe3#
        • 2.e8Q
          • 2...gxh4
            • 3.Kd1
              • threat
                • 4.Qe1#
            • 3.Bg5
              • threat
                • 4.Qe3#
            • 3.Bf4
              • threat
                • 4.Qe3#
        • 2.Kd1
          • threat
            • 3.e8Q
              • 3...gxh4
                • 4.Qe1#
          • 2...Ke3
            • 3.e8Q+
              • 3...Kf2
                • 4.Qe1#
          • 2...gxh4
            • 3.e8Q
              • threat
                • 4.Qe1#
      • 1...Ke1
        • 2.e8Q+
          • 2...Kf2
            • 3.Kd1
              • 3...gxh4
                • 4.Qe1#
      • 1...Ke3
        • 2.e8Q+
          • 2...Kf2
            • 3.Kd1
              • 3...gxh4
                • 4.Qe1#
      • 1...gxh4
        • 2.e8R
          • 2...hxg3
            • 3.Bbe5
              • 3...Ke1
                • 4.Bxg3#
              • 3...Ke3
                • 4.Bxg3#
          • 2...h3
            • 3.Re5
              • 3...Kxg3
                • 4.Re2#

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).