Problem Display
PID: 71590 (B7/Q1p5/3R4/1pRp4/3p4/p2k1K2/r1b5/3nB2n w - - 0 1)

Havel, Miroslav

3/4 Prize, Shakhmaty, 1929

B7/Q1p5/3R4/1pRp4/3p4/p2k1K2/r1b5/3nB2n

#3

6 + 10


4312 Ceske Granaty 1975

SOLUTION


  • SOUND
  • Sets
    • 1...b4
      • 2.Qa6#
    • 1...cxd6
      • 2.Qh7#
    • 1...c6
      • 2.Qh7#
  • Tries
    • 1.Qxc7?
      • threat
        • 2.Qh7#
      • 1...Sdf2
        • 2.Rc3+
          • 2...dxc3
            • 3.Rxd5#
            • 3.Qxc3#
      • 1...Sc3
        • 2.Rxc3+
          • 2...dxc3
            • 3.Rxd5#
            • 3.Qxc3#
      • 1...Se3
        • 2.Rc3+
          • 2...dxc3
            • 3.Qxc3#
        • 2.Qh7+
          • 2...Sf5
            • 3.Qxf5#
      • 1...Shf2
        • 2.Rcxd5
          • threat
            • 3.Rxd4#
      • 1...Sg3!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rxd4#
        • 2.Qxd4#
      • 1...Kxc4
        • 2.Qc5+
          • 2...Kb3
            • 3.Qb4#
            • 3.Qxb5#
          • 2...Kd3
            • 3.Qxb5#
          • 2...Kxc5
            • 3.Rc6#
      • 1...bxc4
        • 2.Qxd4+
          • 2...Kxd4
            • 3.Rxd5#
      • 1...c5
        • 2.Qh7+
          • 2...Kxc4
            • 3.Bxd5#

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).