Problem Display
PID: 194592 (8/4prq1/N3Qpbb/n7/3k2p1/8/2R1P3/1Nn2K1R w - - 0 1)

Vetter, Hans

Anderssen MT, 1918

8/4prq1/N3Qpbb/n7/3k2p1/8/2R1P3/1Nn2K1R

#4

7 + 10


6490 yacpdb 2019

SOLUTION


  • COOKED
  • Keys
    • 1.Sc3!
      • threat
        • 2.Sb5#
      • 1...Bd3
        • 2.exd3
          • threat
            • 3.Qe4#
          • 2...Qg6
            • 3.Sb5+
              • 3...Kxd3
                • 4.Sb4#
          • 2...Qh7
            • 3.Sb5+
              • 3...Kxd3
                • 4.Sb4#
          • 2...f5
            • 3.Sb5+
              • 3...Kxd3
                • 4.Sb4#
    • 1.Rh5!
      • threat
        • 2.Rd5#
      • 1...Bf5
        • 2.Rxf5
          • threat
            • 3.Rd5#
          • 2...Qg5
            • 3.e3+
              • 3...Kd3
                • 4.Sb4#
                • 4.Rd2#
                • 4.Rc3#
              • 3...Qxe3
                • 4.Rd5#
                • 4.Qd5#
      • 1...f5
        • 2.Sc3
          • threat
            • 3.Sb5#
          • 2...Sxe2
            • 3.Sxe2+
              • 3...Kd3
                • 4.Sb4#
            • 3.Sb5+
              • 3...Kd3
                • 4.Sb4#
                • 4.Qxe2#
          • 2...Qe5
            • 3.Qb6+
              • 3...Kc4
                • 4.Qb4#
              • 3...Qc5
                • 4.Qxc5#

FEATURES


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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).