Problem Display
PID: 216784 (1bn3BK/4p3/2n1R3/1r2p2b/1Pp1k3/3pP2Q/3rp1PP/8 w - - 0 1)

Zimmermann, Stepan

Munchner Neueste Nachrichten, 1890

1bn3BK/4p3/2n1R3/1r2p2b/1Pp1k3/3pP2Q/3rp1PP/8

#4

8 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qf4+
          • 2...Kd5
            • 3.Rxe5+
              • 3...Kd6
                • 4.Rd5#
      • 1...Kf5
        • 2.Qh4
          • threat
            • 3.e4#
          • 2...Bg4
            • 3.Qh7+
              • 3...Kg5
                • 4.h4#
          • 2...Bf7
            • 3.Rg6
              • threat
                • 4.Qg4#
              • 3...Kxg6
                • 4.Bh7#
              • 3...Bxg6
                • 4.e4#
              • 3...e4
                • 4.Qg5#
                • 4.Qh5#
          • 2...e1Q
            • 3.Qxh5+
              • 3...Ke4
                • 4.Qf3#
          • 2...e1R
            • 3.Qxh5+
              • 3...Ke4
                • 4.Qf3#
          • 2...Bf3
            • 3.gxf3
              • threat
                • 4.Qg4#
                • 4.Qh5#
                • 4.e4#
          • 2...Sd6
            • 3.Qxh5+
              • 3...Ke4
                • 4.Qf3#
      • 1...Sxb4
        • 2.Qf4+
          • 2...Kd5
            • 3.Qxc4+
              • 3...Kxc4
                • 4.Rc6#
      • 1...Sa5
        • 2.Qf4+
          • 2...Kd5
            • 3.Qd4+
              • 3...exd4
                • 4.e4#
      • 1...S6a7
        • 2.Qf4+
          • 2...Kd5
            • 3.Qd4+
              • 3...exd4
                • 4.e4#
      • 1...Sd8
        • 2.Qf4+
          • 2...Kd5
            • 3.Qd4+
              • 3...exd4
                • 4.e4#

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).