Problem Display
PID: 3604 (K3B2B/8/1R6/3k1p2/3NNp2/pp2pb2/1p5n/8 w - - 0 1)

Prevorovsky, Emil

Sach, 1940

K3B2B/8/1R6/3k1p2/3NNp2/pp2pb2/1p5n/8

#3

6 + 9


SOLUTION


  • SOUND
  • Tries
    • 1.Rd6+?
      • 1...Kxe4
        • 2.Sc2
          • threat
            • 3.Bc6#
            • 3.Rd4#
        • 2.Se2
          • threat
            • 3.Sc3#
            • 3.Bc6#
            • 3.Rd4#
      • 1...Kc4!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sxf4+
          • 2...Kc4
            • 3.Bf7#
          • 2...Kxe4
            • 3.Rb4#
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Sc3#
            • 3.Bc6#
            • 3.Rd4#
      • 1...Kc4
        • 2.Bb5+
          • 2...Kb4
            • 3.Bc3#
          • 2...Kd5
            • 3.S2c3#
      • 1...Kxe4
        • 2.Rd6
          • threat
            • 3.Sc3#
            • 3.Bc6#
            • 3.Rd4#
      • 1...Bxe2
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#
      • 1...Bxe4
        • 2.Rc6
          • threat
            • 3.Sc3#
            • 3.Sxf4#
      • 1...fxe4
        • 2.Bf7+
          • 2...Kc5
            • 3.Bd4#
      • 1...b1S
        • 2.Sxf4+
          • 2...Kc4
            • 3.Bf7#
          • 2...Kxe4
            • 3.Rb4#
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#
            • 3.Rd4#
      • 1...Bh1
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#
      • 1...Bg2
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#
      • 1...Bg4
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#
      • 1...Bh5
        • 2.Rd6+
          • 2...Kc4
            • 3.Rd4#
          • 2...Kxe4
            • 3.Bc6#

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).