Problem Display
PID: 93963 (3q4/4p1p1/3p4/3R1BQ1/8/2p5/k3K3/rN6 w - - 0 1)

Kainer, Cenek

Sachove umeni (Ceskoslovensky sach), 1928

3q4/4p1p1/3p4/3R1BQ1/8/2p5/k3K3/rN6

#3

5 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qa3#
        • 2.Qc2#
      • 1...Kb3
        • 2.Qxc3+
          • 2...Ka2
            • 3.Rd2#
            • 3.Qc2#
            • 3.Qa3#
          • 2...Ka4
            • 3.Bc2#
            • 3.Qc4#
      • 1...Rxb1!
    • 1.Qd2+?
      • 1...Kb3
        • 2.Qxc3+
          • 2...Ka2
            • 3.Rd2#
            • 3.Qc2#
            • 3.Qa3#
          • 2...Ka4
            • 3.Bc2#
            • 3.Qc4#
      • 1...cxd2!
  • Keys
    • 1.Be6!
      • threat
        • 2.Rd2+
          • 2...Kxb1
            • 3.Qg1#
      • 1...Kxb1
        • 2.Rb5+
          • 2...Kc2
            • 3.Bf5#
      • 1...Kb2
        • 2.Rb5+
          • 2...Kc2
            • 3.Bf5#
      • 1...Kb3
        • 2.Rb5+
          • 2...Kc2
            • 3.Bf5#
          • 2...Ka4
            • 3.Bb3#
      • 1...Rxb1
        • 2.Ra5+
          • 2...Kb2
            • 3.Ra2#
      • 1...Qb6
        • 2.Rb5+
          • 2...d5
            • 3.Bxd5#
            • 3.Qxd5#
      • 1...Qf8
        • 2.Rb5+
          • 2...d5
            • 3.Bxd5#
            • 3.Qxd5#
      • 1...c2
        • 2.Ra5+
          • 2...Kxb1
            • 3.Rb5#
          • 2...Kb2
            • 3.Rb5#

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).