Problem Display
PID: 197022 (8/p2N4/p1p5/P2k1K2/5Rp1/1Rp3B1/2P5/8 w - - 0 1)

Kochanowski, L

Osterreichische Schachzeitung, 1874

8/p2N4/p1p5/P2k1K2/5Rp1/1Rp3B1/2P5/8

#3

7 + 6


162 Land and Water 1874
14986 White-Hume Collection 2019
15239 Valois Notebooks 2020

SOLUTION


  • COOKED
  • Tries
    • 1.Kf6?
      • 1...Kd6
        • 2.Rd4#
      • 1...c5!
    • 1.Sb6+?
      • 1...Kd6
        • 2.Re4+
          • 2...Kc5
            • 3.Rc4#
      • 1...axb6!
    • 1.Sf6+?
      • 1...Kc5
        • 2.Rb7
          • 2...Kd6
            • 3.Rc4#
      • 1...Kd6!
    • 1.Rf1?
      • 1...Kc4
        • 2.Ke4
          • 2...c5
            • 3.Se5#
        • 2.Ke5
          • 2...c5
            • 3.Rf4#
        • 2.Rd1
          • 2...c5
            • 3.Se5#
      • 1...c5
        • 2.Rd1+
          • 2...Kc4
            • 3.Se5#
          • 2...Kc6
            • 3.Sb8#
      • 1...Kd4!
    • 1.Rf3?
      • 1...Kc4
        • 2.Rd3
          • 2...c5
            • 3.Se5#
      • 1...Kd4
        • 2.Rb4+
          • 2...Kd5
            • 3.Rd3#
      • 1...c5
        • 2.Rd3+
          • 2...Kc4
            • 3.Se5#
          • 2...Kc6
            • 3.Sb8#
      • 1...gxf3!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rbb4
          • 2...c5
            • 3.Rxc5#
        • 2.Rc5+
          • 2...Kd4
            • 3.Bf2#
      • 1...Kxc4
        • 2.Ke4
          • 2...c5
            • 3.Se5#
      • 1...c5
        • 2.Rxc5+
          • 2...Kd4
            • 3.Bf2#
    • 1.Re4!
      • 1...c5
        • 2.Sf6+
          • 2...Kc6
            • 3.Re6#

FEATURES


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