Problem Display
PID: 198496 (8/K1p2b2/1pPp1p2/kP6/1Rp5/2p2pQR/N1P4B/8 w - - 0 1)

Popov, Georgy Aleksandrov

Stella Polaris, 1966

8/K1p2b2/1pPp1p2/kP6/1Rp5/2p2pQR/N1P4B/8

#3

9 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...f2
      • 2.Qxc3
        • threat
          • 3.Qa3#
    • 1...d5
      • 2.Qxc7
        • threat
          • 3.Qxb6#
  • Tries
    • 1.Qxd6?
      • threat
        • 2.Sxc3
          • threat
            • 3.Ra4#
        • 2.Ra4+
          • 2...Kxa4
            • 3.Qb4#
          • 2...Kxb5
            • 3.Sxc3#
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Bg6
        • 2.Ra4+
          • 2...Kxa4
            • 3.Qb4#
          • 2...Kxb5
            • 3.Sxc3#
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...cxd6!
  • Keys
    • 1.Qg7!
      • 1...Bd5
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Bh5
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Be6
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Bg6
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Be8
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...Bg8
        • 2.Qxc7
          • threat
            • 3.Qxb6#
      • 1...f2
        • 2.Rxc3
          • threat
            • 3.Ra3#
      • 1...d5
        • 2.Bxc7
          • threat
            • 3.Bxb6#
      • 1...f5
        • 2.Qxc3
          • threat
            • 3.Qa3#

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).