Problem Display
PID: 129386 (2Nk3n/5pK1/1PP2pp1/3B4/5R1b/2p1p1p1/5p2/3nq1r1 w - - 0 1)

Solarczyk, Rudolf

Sachove umeni (Ceskoslovensky sach), 1968

2Nk3n/5pK1/1PP2pp1/3B4/5R1b/2p1p1p1/5p2/3nq1r1

#4

6 + 13


6490 yacpdb 2009

SOLUTION


  • COOKED
  • Keys
    • 1.Rd4!
      • threat
        • 2.Bc4+
          • 2...Kxc8
            • 3.Ba6+
              • 3...Kb8
                • 4.Rd8#
          • 2...Ke8
            • 3.c7
              • threat
                • 4.Bb5#
                • 4.Rd8#
        • 2.Be6+
          • 2...Ke8
            • 3.Bd7+
              • 3...Kd8
                • 4.c7#
            • 3.c7
              • threat
                • 4.Bd7#
                • 4.Rd8#
        • 2.Bxf7+
          • 2...Kxc8
            • 3.Be6+
              • 3...Kb8
                • 4.Rd8#
      • 1...Kxc8
        • 2.Ra4
          • threat
            • 3.Ra8#
          • 2...Kb8
            • 3.Ra8+
              • 3...Kxa8
                • 4.c7#
          • 2...Kd8
            • 3.Kf8
              • threat
                • 4.Ra8#
              • 3...Kc8
                • 4.Ra8#
      • 1...Ke8
        • 2.Re4+
          • 2...Kd8
            • 3.Kf8
              • threat
                • 4.Re8#
              • 3...Kxc8
                • 4.Re8#
            • 3.Sd6
              • threat
                • 4.Re8#
      • 1...Qd2
        • 2.Rxh4
          • threat
            • 3.Rxh8#
          • 2...Rh1
            • 3.Rxh1
              • threat
                • 4.Rxh8#
              • 3...Kxc8
                • 4.Rxh8#
              • 3...Ke8
                • 4.Rxh8#
      • 1...f5
        • 2.Be6+
          • 2...Ke8
            • 3.Bd7+
              • 3...Kd8
                • 4.c7#
    • 1.Rxh4!
      • threat
        • 2.Rxh8#
      • 1...Rh1
        • 2.Bxh1
          • threat
            • 3.Rxh8#
          • 2...Qxh1
            • 3.Rxh1
              • threat
                • 4.Rxh8#
              • 3...Kxc8
                • 4.Rxh8#
              • 3...Ke8
                • 4.Rxh8#

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).