Problem Display
PID: 175356 (1n1N4/6p1/1n1P2bb/4N3/1P2kpP1/2BR1p2/BPp2K2/8 w - - 0 1)

Jensen, W

320 Danske Skakopgaver, 1902

1n1N4/6p1/1n1P2bb/4N3/1P2kpP1/2BR1p2/BPp2K2/8

#4

10 + 9


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Bc4!
      • threat
        • 2.Sxf3
          • threat
            • 3.Sd2#
            • 3.Rd4#
      • 1...Sxc4
        • 2.Sdc6
          • threat
            • 3.Rd4#
          • 2...Sxc6
            • 3.Sd7
              • threat
                • 4.Sc5#
              • 3...Kxd3
                • 4.Sc5#
              • 3...Sd4
                • 4.Rxd4#
      • 1...c1Q
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...c1S
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...c1B
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...c1R
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...Bf5
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd1+
              • 3...Ke4
                • 4.Re1#
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...Bh5
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd1+
              • 3...Ke4
                • 4.Re1#
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#
      • 1...Bg5
        • 2.Rd4+
          • 2...Kxe5
            • 3.Rd1+
              • 3...Ke4
                • 4.Re1#
            • 3.Rd5+
              • 3...Ke4
                • 4.Re5#

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).