Problem Display
PID: 215050 (2Nb4/7b/1pPpn2K/pB1kN1p1/P3p1PP/p3P3/2P2Q2/8 w - - 0 1)

Lundvall, CR

Nordiske Skakproblemer (Arnell & Sorensen), 1879

2Nb4/7b/1pPpn2K/pB1kN1p1/P3p1PP/p3P3/2P2Q2/8

#4

11 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qf6!
      • threat
        • 2.Sd7
          • threat
            • 3.c4#
      • 1...Bxf6
        • 2.Sxb6+
          • 2...Kc5
            • 3.Sed7+
              • 3...Kb4
                • 4.Sd5#
          • 2...Kxe5
            • 3.Sd7+
              • 3...Kd5
                • 4.c4#
      • 1...Be7
        • 2.Sxb6+
          • 2...Kc5
            • 3.Sed7+
              • 3...Kb4
                • 4.Sd5#
        • 2.Sxe7+
          • 2...Kc5
            • 3.Sd3+
              • 3...exd3
                • 4.Qc3#
            • 3.Sd7+
              • 3...Kb4
                • 4.Sd5#
        • 2.Qxe7
          • threat
            • 3.Qxd6#
          • 2...Kxe5
            • 3.hxg5
              • threat
                • 4.Qxd6#
              • 3...Kd5
                • 4.Qxd6#
              • 3...d5
                • 4.Qd6#
                • 4.Qf6#
        • 2.Sd7
          • threat
            • 3.Scxb6#
            • 3.Sxe7#
            • 3.c4#
          • 2...Bf8+
            • 3.Kxh7
              • threat
                • 4.Scxb6#
                • 4.Qf5#
                • 4.c4#

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).