Problem Display
PID: 188593 (5n2/4rP2/N1b5/pR3r2/k2P1p2/4PP2/1PP1B3/5K2 w - - 0 1)

Wirtanen, Erkki Aukusti

1st HM., Fridlizius MT, 1965-1966

5n2/4rP2/N1b5/pR3r2/k2P1p2/4PP2/1PP1B3/5K2

#3

10 + 7


254 Stella Polaris 1966

SOLUTION


  • NO_SOLUTION
  • Sets
    • 1...Rc5
      • 2.Sxc5#
    • 1...Rfe5
      • 2.Rb3
        • threat
          • 3.Ra3#
        • 2...Rxe3
          • 3.Sc5#
    • 1...Rf6
      • 2.Sc5#
    • 1...Rfxf7
      • 2.Sc5#
    • 1...Rc7
      • 2.Rb3
        • threat
          • 3.Ra3#
    • 1...Rd7
      • 2.Rb3
        • threat
          • 3.Ra3#
    • 1...Rexf7
      • 2.Rb3
        • threat
          • 3.Ra3#
    • 1...Bd5
      • 2.Sc5#
    • 1...Se6
      • 2.Rb3
        • threat
          • 3.Ra3#
  • Tries
    • 1.Rc5?
      • threat
        • 2.Rc4+
          • 2...Kb5
            • 3.Rb4#
      • 1...Rxc5
        • 2.Sxc5+
          • 2...Kb4
            • 3.c3#
      • 1...Bd7
        • 2.Bd1
          • threat
            • 3.c3#
            • 3.c4#
      • 1...Be8
        • 2.fxe8Q+
          • 2...Rd7
            • 3.Bb5#
          • 2...Rxe8
            • 3.Bb5#
          • 2...Sd7
            • 3.Bb5#
        • 2.fxe8B+
          • 2...Rd7
            • 3.Bb5#
          • 2...Rxe8
            • 3.Bb5#
          • 2...Sd7
            • 3.Bb5#
      • 1...Rb7!

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).