Problem Display
PID: 226189 (R7/Nb6/2Rp1K2/2Nk4/2p5/5P2/5P2/8 w - - 0 1)

Moravec, Antonin

Praca, 1948

R7/Nb6/2Rp1K2/2Nk4/2p5/5P2/5P2/8

#3

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...dxc5
      • 2.Rd8#
  • Tries
    • 1.Sxb7?
      • threat
        • 2.Rxd6#
      • 1...c3
        • 2.Rac8
          • threat
            • 3.Rxd6#
          • 2...Kd4
            • 3.Rxd6#
        • 2.Rd8
          • threat
            • 3.Rdxd6#
          • 2...Kd4
            • 3.Rdxd6#
      • 1...Kd4!
    • 1.Rd8?
      • threat
        • 2.Rdxd6#
      • 1...Kd4
        • 2.Sb5+
          • 2...Kd5
            • 3.Rdxd6#
      • 1...c3
        • 2.Sxb7
          • threat
            • 3.Rdxd6#
          • 2...Kd4
            • 3.Rdxd6#
      • 1...Bxc6!
  • Keys
    • 1.Se6!
      • threat
        • 2.Sf4+
          • 2...Kd4
            • 3.Sb5#
        • 2.Rc5+
          • 2...dxc5
            • 3.Rd8#
        • 2.Rxd6+
          • 2...Kxd6
            • 3.Rd8#
        • 2.Rg8
          • threat
            • 3.Rg5#
        • 2.Rh8
          • threat
            • 3.Rh5#
      • 1...Bxc6
        • 2.Sc8
          • threat
            • 3.Sb6#
            • 3.Se7#
      • 1...Bxa8
        • 2.Sf4+
          • 2...Kd4
            • 3.Sb5#
      • 1...Ba6
        • 2.Rc5+
          • 2...dxc5
            • 3.Rd8#
        • 2.Rxd6+
          • 2...Kxd6
            • 3.Rd8#
        • 2.Rd8
          • threat
            • 3.Rc5#
            • 3.Rcxd6#
            • 3.Rdxd6#
        • 2.Rg8
          • threat
            • 3.Rg5#
        • 2.Rh8
          • threat
            • 3.Rh5#
      • 1...Bc8
        • 2.Sf4+
          • 2...Kd4
            • 3.Sb5#
      • 1...c3
        • 2.Sf4+
          • 2...Kd4
            • 3.Sb5#

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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).