Problem Display
PID: 230365 (2Q5/4B3/R5b1/1q4p1/r1p5/1N2pBb1/2P3Kn/4kN2 w - - 0 1)

Trufanov, V

Zadachi i Etyudi, 2001

2Q5/4B3/R5b1/1q4p1/r1p5/1N2pBb1/2P3Kn/4kN2

#4

8 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qc3#
      • 1...Qxb3
        • 2.Qa1+
          • 2...Rxa1
            • 3.Rxa1+
              • 3...Qb1
                • 4.Rxb1#
      • 1...Sxf3
        • 2.Qa1+
          • 2...Rxa1
            • 3.Rxa1+
              • 3...Ke2
                • 4.Sxg3#
      • 1...Qd7
        • 2.Qa1+
          • 2...Rxa1
            • 3.Rxa1+
              • 3...Qd1
                • 4.Rxd1#
      • 1...Qa5
        • 2.Bb4+
          • 2...Qxb4
            • 3.Qa1+
              • 3...Rxa1
                • 4.Rxa1#
      • 1...Qd5
        • 2.Qa1+
          • 2...Rxa1
            • 3.Rxa1+
              • 3...Qd1
                • 4.Rxd1#
      • 1...Qe5
        • 2.Bb4+
          • 2...Rxb4
            • 3.Ra1+
              • 3...Qxa1
                • 4.Qxa1#
          • 2...c3
            • 3.Bxc3+
              • 3...Qxc3
                • 4.Qxc3#
      • 1...Be5
        • 2.Qh4+
          • 2...gxh4
            • 3.Bxh4+
              • 3...Bg3
                • 4.Bxg3#

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).