Problem Display
PID: 221106 (1K1R4/3P1p2/1N2kP2/8/5p1P/5P2/8/8 w - - 0 1)

Smirnov, Valery Gennadevich

Sachova skladba, 1988

1K1R4/3P1p2/1N2kP2/8/5p1P/5P2/8/8

#4

7 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rg8!
      • threat
        • 2.d8Q
          • threat
            • 3.Qe7+
              • 3...Kf5
                • 4.Rg5#
          • 2...Ke5
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
          • 2...Kf5
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
      • 1...Ke5
        • 2.d8Q
          • threat
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
          • 2...Kf5
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
          • 2...Ke6
            • 3.Qe7+
              • 3...Kf5
                • 4.Rg5#
      • 1...Kf5
        • 2.d8Q
          • threat
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
          • 2...Ke5
            • 3.Rg5+
              • 3...Ke6
                • 4.Qe7#
          • 2...Ke6
            • 3.Qe7+
              • 3...Kf5
                • 4.Rg5#
      • 1...Kd6
        • 2.Rg5
          • threat
            • 3.d8Q+
              • 3...Kc6
                • 4.Qc7#
              • 3...Ke6
                • 4.Qe7#
          • 2...Kc6
            • 3.d8R
              • 3...Kxb6
                • 4.Rd6#
          • 2...Ke6
            • 3.d8S+
              • 3...Kd6
                • 4.Rd5#
              • 3...Kxf6
                • 4.Sd5#
      • 1...Kxf6
        • 2.d8Q+
          • 2...Ke5
            • 3.Re8+
              • 3...Kf5
                • 4.Qg5#
          • 2...Kf5
            • 3.Qe7
              • 3...f6
                • 4.Qe4#
            • 3.Qd6
              • 3...f6
                • 4.Qd5#
          • 2...Ke6
            • 3.Re8+
              • 3...Kf5
                • 4.Qg5#

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).