Problem Display
PID: 263431 (8/Br2p3/r7/3BNN1p/p1ppPR2/3p2p1/2nPk1Pb/1bK3R1 w - - 0 1)

Fomichev, Evgeny Vasilevich

64 Shakhmatnoe obozrenie, 2022

8/Br2p3/r7/3BNN1p/p1ppPR2/3p2p1/2nPk1Pb/1bK3R1

#4

10 + 13


SOLUTION


  • SOUND
  • Keys
    • 1.Rff1!
      • threat
        • 2.Sxd4+
          • 2...Sxd4
            • 3.Re1+
              • 3...Kf2
                • 4.Bxd4#
      • 1...Rab6
        • 2.Bxc4
          • threat
            • 3.Bxd3#
          • 2...Rb3
            • 3.Bf7
              • threat
                • 4.Bxh5#
              • 3...Bxg1
                • 4.Sxg3#
              • 3...Se1
                • 4.Sxd4#
              • 3...Se3
                • 4.Sxd4#
              • 3...h4
                • 4.Bh5#
      • 1...Rbb6
        • 2.Bf7
          • threat
            • 3.Bxh5#
          • 2...Rg6
            • 3.Bxc4
              • threat
                • 4.Bxd3#
              • 3...Sa1
                • 4.Sxd4#
              • 3...Se1
                • 4.Sxd4#
              • 3...Sa3
                • 4.Sxd4#
              • 3...Se3
                • 4.Sxd4#
              • 3...Sb4
                • 4.Sxd4#
          • 2...Rh6
            • 3.Bxc4
              • threat
                • 4.Bxd3#
              • 3...Sa1
                • 4.Sxd4#
              • 3...Se1
                • 4.Sxd4#
              • 3...Sa3
                • 4.Sxd4#
              • 3...Se3
                • 4.Sxd4#
              • 3...Sb4
                • 4.Sxd4#
      • 1...h4
        • 2.Sxd4+
          • 2...Sxd4
            • 3.Re1+
              • 3...Kf2
                • 4.Sg4#
                • 4.Bxd4#

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).