MESON Chess Problem Database

Problem Display
PID: 264774 (8/2n5/8/R4R2/4k3/8/4K3/8 w - - 0 1)

Lyalyushkin, Yuri Konstantinovich

Smena, 1996

8/2n5/8/R4R2/4k3/8/4K3/8

#5

3 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Kd2!
      • threat
        • 2.Kc3
          • threat
            • 3.Rae5#
          • 2...Sb5+
            • 3.Raxb5
              • 3...Ke3
                • 4.Rbe5#
          • 2...Sd5+
            • 3.Raxd5
              • 3...Ke3
                • 4.Rde5#
      • 1...Sd5
        • 2.Rfxd5
          • threat
            • 3.Rf5
              • 3...Kd4
                • 4.Ra4#
                • 4.Rf4#
          • 2...Kf3
            • 3.Rg5
              • threat
                • 4.Ra4
                  • 4...Kf2
                    • 5.Rf4#
              • 3...Ke4
                • 4.Raf5
                  • 4...Kd4
                    • 5.Rf4#
                    • 5.Rg4#
                • 4.Rgf5
                  • 4...Kd4
                    • 5.Ra4#
                    • 5.Rf4#
              • 3...Kf4
                • 4.Ke2
                  • 4...Ke4
                    • 5.Ra4#
                    • 5.Rg4#
                • 4.Kd3
                  • 4...Kf3
                    • 5.Raf5#
          • 2...Kf4
            • 3.Rg5
              • threat
                • 4.Ke2
                  • 4...Ke4
                    • 5.Ra4#
                    • 5.Rg4#
                • 4.Kd3
                  • 4...Kf3
                    • 5.Raf5#
              • 3...Kf3
                • 4.Ra4
                  • 4...Kf2
                    • 5.Rf4#
              • 3...Ke4
                • 4.Raf5
                  • 4...Kd4
                    • 5.Rf4#
                    • 5.Rg4#
                • 4.Rgf5
                  • 4...Kd4
                    • 5.Ra4#
                    • 5.Rf4#
      • 1...Se6
        • 2.Rae5+
          • 2...Kd4
            • 3.Rxe6
              • 3...Kc4
                • 4.Rb6
                  • 4...Kd4
                    • 5.Rb4#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).