Problem Display
PID: 62288 (4K3/2p5/2P1k1Pp/1P1R4/2B1P2N/1P2bpr1/4pq2/8 w - - 0 1)

Hoffmann, Hans

Schach, 1952

4K3/2p5/2P1k1Pp/1P1R4/2B1P2N/1P2bpr1/4pq2/8

#4

9 + 8


SOLUTION


  • SOUND
  • Keys
    • 1.b4!
      • threat
        • 2.Rf5+
          • 2...Kd6
            • 3.e5#
      • 1...Kf6
        • 2.Rf5+
          • 2...Kg7
            • 3.Rf7+
              • 3...Kg8
                • 4.Rh7#
              • 3...Kh8
                • 4.Rh7#
      • 1...Bd4
        • 2.e5
          • threat
            • 3.Rc5#
          • 2...Bxe5
            • 3.Rd6+
              • 3...Kxd6
                • 4.Sf5#
      • 1...Bf4
        • 2.e5
          • threat
            • 3.Rc5#
          • 2...Bxe5
            • 3.Rd6+
              • 3...Kxd6
                • 4.Sf5#
          • 2...Qd4
            • 3.Rd6+
              • 3...Kxe5
                • 4.Re6#

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).