Problem Display
PID: 249959 (1N4K1/8/4kB2/2p3RN/2p1ppp1/1brp1p1p/3n1nrb/8 w - - 0 1)

Grande, Joralf

Stella Polaris, 1969

1N4K1/8/4kB2/2p3RN/2p1ppp1/1brp1p1p/3n1nrb/8

#3

5 + 15


SOLUTION


  • SOUND
  • Tries
    • 1.Kf8?
      • threat
        • 2.Be7
          • threat
            • 3.Sg7#
      • 1...Rg3
        • 2.Be7
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...Bg1
        • 2.Be7
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...g3
        • 2.Be5
          • threat
            • 3.Sxf4#
          • 2...Kd5
            • 3.Sxf4#
        • 2.Be7
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...Kd6!
    • 1.Sg7+?
      • 1...Kd6
        • 2.Se8+
          • 2...Ke6
            • 3.Re5#
      • 1...Kxf6!
    • 1.Be7?
      • threat
        • 2.Kf8
          • threat
            • 3.Sg7#
      • 1...Rg3
        • 2.Kf8
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...Bg1
        • 2.Kf8
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...g3
        • 2.Kf8
          • threat
            • 3.Sxf4#
            • 3.Sg7#
      • 1...Kxe7!
    • 1.Bd8?
      • threat
        • 2.Bc7
          • threat
            • 3.Re5#
          • 2...Ke7
            • 3.Re5#
      • 1...g3
        • 2.Sxf4+
          • 2...Kd6
            • 3.Rd5#
      • 1...Kd6!
  • Keys
    • 1.Be5!
      • threat
        • 2.Bc7
          • threat
            • 3.Re5#
          • 2...Ke7
            • 3.Re5#
      • 1...Kd5
        • 2.Kf7
          • threat
            • 3.Sf6#
      • 1...Ke7
        • 2.Bc7
          • threat
            • 3.Re5#
          • 2...Ke6
            • 3.Re5#
          • 2...Ke8
            • 3.Re5#
      • 1...g3
        • 2.Kf8
          • threat
            • 3.Sxf4#
          • 2...Kd5
            • 3.Sxf4#

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).