Problem Display
PID: 252018 (r1bBQ2K/6pp/6rq/1p1P2P1/1P3kBN/7p/n1P5/3N1nR1 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

1st HM., Probleemblad, 1964

r1bBQ2K/6pp/6rq/1p1P2P1/1P3kBN/7p/n1P5/3N1nR1

#4

11 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Bh5!
      • threat
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
                • 4.Qf2#
                • 4.Qe5#
      • 1...Qxg5
        • 2.Bc7+
          • 2...Rd6
            • 3.Bxd6+
              • 3...Qe5
                • 4.Qxe5#
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
      • 1...Rxg5
        • 2.Bc7+
          • 2...Qd6
            • 3.Bxd6+
              • 3...Re5
                • 4.Qxe5#
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
      • 1...Re6
        • 2.Rg4+
          • 2...Ke5
            • 3.Bc7+
              • 3...Kxd5
                • 4.Qxb5#
      • 1...Be6
        • 2.Bc7+
          • 2...Ke4
            • 3.Rg4+
              • 3...Kxd5
                • 4.Qxa8#
      • 1...Rf6
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
              • 3...Rf2
                • 4.Qxf2#
          • 2...Kxg5
            • 3.Sf3+
              • 3...Kf4
                • 4.Qe5#
              • 3...Kf5
                • 4.Qe5#
      • 1...Ra3
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
                • 4.Qf2#
      • 1...Bf5
        • 2.Rxf1+
          • 2...Kg3
            • 3.Sxf5+
              • 3...Kg2
                • 4.Qe2#
              • 3...Kh2
                • 4.Qe2#
            • 3.Qe1+
              • 3...Kh2
                • 4.Rh1#
                • 4.Qf2#
                • 4.Qe5#
      • 1...h2
        • 2.Sg2+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh3
                • 4.Sf4#
                • 4.Qh4#
            • 3.Qe5+
              • 3...Kh3
                • 4.Sf2#
        • 2.Rxf1+
          • 2...Kg3
            • 3.Qe1+
              • 3...Kh3
                • 4.Rf3#

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).