Problem Display
PID: 250982 (1R1N1n2/8/2BP4/1Nk1PQ1K/npP3pp/1P1p3r/5R2/q3rbB1 w - - 0 1)

Cristoffanini, Guido

Die Schwalbe, 1930

1R1N1n2/8/2BP4/1Nk1PQ1K/npP3pp/1P1p3r/5R2/q3rbB1

#2

12 + 11


SOLUTION


  • COOKED
  • Tries
    • 1.Re2+?
      • 1...Qd4
        • 2.Bxd4#
        • 2.e6#
      • 1...Re3!
    • 1.Rf3+?
      • 1...Qd4
        • 2.Bxd4#
      • 1...Re3!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Qc8#
      • 1...Qxe5
        • 2.Re2#
      • 1...Rxe5
        • 2.Rb2#
      • 1...Sb6
        • 2.Sb7#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sd7
        • 2.Se6#
    • 1.Be4!
      • threat
        • 2.Qc8#
      • 1...Qxe5
        • 2.Qxe5#
      • 1...Sb6
        • 2.Sb7#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sd7
        • 2.Se6#
    • 1.Rb2+!
      • 1...Ree3
        • 2.e6#
      • 1...Rhe3
        • 2.e6#

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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).