Problem Display
PID: 213085 (8/8/3p4/r2Rb3/2P5/p7/2KN4/k7 w - - 0 1)

Petrov, Aleksandr Dimitrevich

Vsemirnaya Illustrantiya, 1874

8/8/3p4/r2Rb3/2P5/p7/2KN4/k7

#4

4 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sb3+!
      • 1...Ka2
        • 2.Rd1
          • threat
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
          • 2...Bb2
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
          • 2...Bc3
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
            • 3.Kxc3
              • threat
                • 4.Ra1#
          • 2...Bd4
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
          • 2...Bf6
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
          • 2...Bg7
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#
          • 2...Bh8
            • 3.Ra1+
              • 3...Bxa1
                • 4.Sc1#

This is a version of 211252

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).