Problem Display
PID: 264198 (3K2B1/p1B5/P2pNp2/R2pkp1p/p4R1b/6pr/5n2/3b4 w - - 0 1)

Shavirin, Valery Mikhailovich

1st Prize, 64 Shakhmatnoe obozrenie, 2019

3K2B1/p1B5/P2pNp2/R2pkp1p/p4R1b/6pr/5n2/3b4

#4

7 + 13


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Bf7!
      • threat
        • 2.Rxd5+
          • 2...Kxd5
            • 3.Rd4+
              • 3...Ke5
                • 4.Bxd6#
              • 3...Kc6
                • 4.Be8#
      • 1...Se4
        • 2.Rxf5+
          • 2...Kxf5
            • 3.Rxd5+
              • 3...Kg4
                • 4.Bxh5#
      • 1...Bb3
        • 2.Ke7
          • threat
            • 3.Bxd6#
          • 2...Se4
            • 3.Bg6
              • threat
                • 4.Rxf5#
              • 3...Sd2
                • 4.Bxd6#
              • 3...Sf2
                • 4.Bxd6#
              • 3...Sc3
                • 4.Bxd6#
              • 3...Sc5
                • 4.Bxd6#
              • 3...Sg5
                • 4.Bxd6#
      • 1...Bf3
        • 2.Kd7
          • threat
            • 3.Bxd6#
          • 2...Se4
            • 3.Kc6
              • threat
                • 4.Rxd5#
              • 3...Sd2
                • 4.Bxd6#
              • 3...Sf2
                • 4.Bxd6#
              • 3...Sc3
                • 4.Bxd6#
              • 3...Sc5
                • 4.Bxd6#
              • 3...Sg5
                • 4.Bxd6#

FEATURES


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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).