Problem Display
PID: 163377 (4N3/8/4p3/1B2k3/R7/4K3/8/8 w - - 0 1)

Zarubin, Eduard

Uralski Problemist, 1994

4N3/8/4p3/1B2k3/R7/4K3/8/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Ra1?
      • 1...Kf5
        • 2.Rg1
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
      • 1...Kd5!
    • 1.Ra2?
      • 1...Kf5
        • 2.Rg2
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
      • 1...Kd5!
    • 1.Rc4?
      • threat
        • 2.Rc5#
      • 1...Kd5
        • 2.Rc6
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Sf6#
            • 3.Sc7#
        • 2.Rc7
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Bc4#
        • 2.Rc8
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Bc4#
      • 1...Kf5!
    • 1.Rg4?
      • threat
        • 2.Rg5#
      • 1...Kf5
        • 2.Rg1
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
        • 2.Rg2
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
        • 2.Rg3
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
        • 2.Rg7
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
        • 2.Rg8
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#
      • 1...Kd5!
    • 1.Ra6?
      • 1...Kd5
        • 2.Rc6
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Sf6#
            • 3.Sc7#
      • 1...Kf5!
    • 1.Ra8?
      • 1...Kd5
        • 2.Rc8
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Bc4#
      • 1...Kf5!
  • Keys
    • 1.Ra7!
      • 1...Kd5
        • 2.Rc7
          • 2...Ke5
            • 3.Rc5#
          • 2...e5
            • 3.Bc4#
      • 1...Kf5
        • 2.Rg7
          • 2...Ke5
            • 3.Rg5#
          • 2...e5
            • 3.Bd7#

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).