Problem Display
PID: 264606 (3N1b2/1P6/1ppp2K1/r3kBn1/1q4p1/p2p2P1/6QN/2r3B1 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Weissauer, Hermann

2nd Prize, US Problem Bulletin, 1994

3N1b2/1P6/1ppp2K1/r3kBn1/1q4p1/p2p2P1/6QN/2r3B1

#5

8 + 12


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Qa2!
      • threat
        • 2.Sf7+
          • 2...Sxf7
            • 3.Qe6#
      • 1...Qc4
        • 2.Sxc6+
          • 2...Kd5
            • 3.Sb4+
              • 3...Ke5
                • 4.Sxg4+
                  • 4...Qxg4
                    • 5.Sxd3#
      • 1...Rc4
        • 2.Sxg4+
          • 2...Kd5
            • 3.Sf6+
              • 3...Ke5
                • 4.Sxc6+
                  • 4...Rxc6
                    • 5.Sd7#
      • 1...d5
        • 2.Sxg4+
          • 2...Kd6
            • 3.b8Q+
              • 3...Ke7
                • 4.Qc7+
                  • 4...Ke8
                    • 5.Sf6#
                    • 5.Qd7#
                • 4.Qb7+
                  • 4...Kd6
                    • 5.Qd7#
                  • 4...Kxd8
                    • 5.Qd7#
                  • 4...Ke8
                    • 5.Qd7#
          • 2...Qxg4
            • 3.b8Q+
              • 3...Bd6
                • 4.Sxc6+
                  • 4...Rxc6
                    • 5.Qh8#

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).