Problem Display
PID: 20619 (4Q2n/1n3pBr/3p2bp/pp1P1p2/r1p2P2/P1PRK3/3P2B1/4NNk1 w - - 0 1)

Przepiorka, Dawid

Festschrift des Akademischen Schachklubs Munchen, 1911

4Q2n/1n3pBr/3p2bp/pp1P1p2/r1p2P2/P1PRK3/3P2B1/4NNk1

#5

12 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qf3
          • threat
            • 3.Qf2#
      • 1...cxd3
        • 2.Sf3+
          • 2...Kxg2
            • 3.Se1+
              • 3...Kh3
                • 4.Qf3+
                  • 4...Kh4
                    • 5.Sg2#
                    • 5.Bf6#
            • 3.Sh4+
              • 3...Kh3
                • 4.Qf3+
                  • 4...Kxh4
                    • 5.Bf6#
        • 2.Bd4
          • threat
            • 3.Kxd3+
              • 3...Rxd4+
                • 4.Qxd4#
            • 3.Kf3+
              • 3...Rxd4
                • 4.Qe3#
                • 4.Qxd4#
            • 3.Qf3
              • threat
                • 4.Qf2#
          • 2...fxe4
            • 3.Bf6
              • threat
                • 4.Bh4
                  • threat
                    • 5.Bf2#
      • 1...fxe4
        • 2.Bd4
          • threat
            • 3.Ke2+
              • 3...e3
                • 4.Bxe3#
          • 2...cxd3
            • 3.Bf6
              • threat
                • 4.Bh4
                  • threat
                    • 5.Bf2#
      • 1...Bh5
        • 2.Sf3+
          • 2...Kxg2
            • 3.Se1+
              • 3...Kh3
                • 4.Qg2+
                  • 4...Kh4
                    • 5.Bf6#
                    • 5.Qg3#
            • 3.Sh4+
              • 3...Kh3
                • 4.Qg2+
                  • 4...Kxh4
                    • 5.Bf6#
                    • 5.Qg3#
        • 2.Qxf5
          • threat
            • 3.Qxh5
              • threat
                • 4.Qh1#
                • 4.Qh2#
            • 3.Qh3
              • threat
                • 4.Qh1#
                • 4.Qh2#
          • 2...Rxg7
            • 3.Qh3
              • threat
                • 4.Qh1#
                • 4.Qh2#
              • 3...Rg3+
                • 4.Sxg3
                  • threat
                    • 5.Qh1#
                • 4.Qxg3
                  • threat
                    • 5.Qf2#
                    • 5.Qh2#
          • 2...cxd3
            • 3.Qxh5
              • threat
                • 4.Qh1#
                • 4.Qh2#
              • 3...Re4+
                • 4.Bxe4
                  • threat
                    • 5.Qh1#
                  • 4...Kxf1
                    • 5.Qh1#
            • 3.Qh3
              • threat
                • 4.Qh1#
                • 4.Qh2#
              • 3...Re4+
                • 4.Bxe4
                  • threat
                    • 5.Qg2#
                    • 5.Qh1#
                  • 4...Bf3
                    • 5.Sxf3#

FEATURES


NOT CLASSIFIED


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).