Problem Display
PID: 264798 (8/8/K7/3N4/2k5/8/P7/3R4 w - - 0 1)

Surkov, Valery Albertovich

Smena, 1996

8/8/K7/3N4/2k5/8/P7/3R4

#5

4 + 1


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Kb7!
      • 1...Kb5
        • 2.Sb6
          • threat
            • 3.a3
              • threat
                • 4.Rd5#
              • 3...Ka5
                • 4.Rd5#
              • 3...Kc5
                • 4.Rd5#
          • 2...Kb4
            • 3.Rd3
              • threat
                • 4.a3+
                  • 4...Ka5
                    • 5.Rd5#
                  • 4...Kb5
                    • 5.Rd5#
                  • 4...Kc5
                    • 5.Rd5#
              • 3...Ka5
                • 4.a3
                  • 4...Kb5
                    • 5.Rd5#
              • 3...Kb5
                • 4.a3
                  • threat
                    • 5.Rd5#
                  • 4...Ka5
                    • 5.Rd5#
                  • 4...Kc5
                    • 5.Rd5#
              • 3...Kc5
                • 4.a3
                  • 4...Kb5
                    • 5.Rd5#
      • 1...Kc5
        • 2.Sb6
          • threat
            • 3.a3
              • 3...Kb5
                • 4.Rd5#
          • 2...Kb4
            • 3.Rd3
              • threat
                • 4.a3+
                  • 4...Ka5
                    • 5.Rd5#
                  • 4...Kb5
                    • 5.Rd5#
                  • 4...Kc5
                    • 5.Rd5#
              • 3...Ka5
                • 4.a3
                  • 4...Kb5
                    • 5.Rd5#
              • 3...Kb5
                • 4.a3
                  • threat
                    • 5.Rd5#
                  • 4...Ka5
                    • 5.Rd5#
                  • 4...Kc5
                    • 5.Rd5#
              • 3...Kc5
                • 4.a3
                  • 4...Kb5
                    • 5.Rd5#

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).