Problem Display
PID: 25199 (6K1/2p5/6P1/8/8/1B1kP1N1/1P2R2R/1br5 w - - 0 1)

Kofman, Rafael Moiseevich

Sovietska Shakhmatnaya Kompozitsiya, 1937

6K1/2p5/6P1/8/8/1B1kP1N1/1P2R2R/1br5

#4

8 + 4


3773 FIDE Album (1914-1944) (II) 1972
1099 WCSC 2003
5405 Chess Solving Yearbook 2003 2004

SOLUTION


  • SOUND
  • Keys
    • 1.Rh5!
      • threat
        • 2.Rd5#
      • 1...c6
        • 2.Rh7
          • threat
            • 3.Rd7#
          • 2...Rc4
            • 3.Rd7+
              • 3...Rd4
                • 4.Rxd4#
          • 2...Rc5
            • 3.Rh4
              • threat
                • 4.Rd4#
              • 3...Rc4
                • 4.Bxc4#
              • 3...Rd5
                • 4.Bc4#

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).