Problem Display
PID: 175308 (7n/p4pbn/6b1/P1N2p1p/2Nk4/2R3p1/PQ6/6K1 w - - 0 1)

Chocolous, Jiri

Deutsche Schachbund, 1901

7n/p4pbn/6b1/P1N2p1p/2Nk4/2R3p1/PQ6/6K1

#4

7 + 10


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Se3!
      • threat
        • 2.Qd2+
          • 2...Ke5
            • 3.Sc4+
              • 3...Kf6
                • 4.Qd8#
      • 1...Ke5
        • 2.Qb8+
          • 2...Kd4
            • 3.Qd6+
              • 3...Kxc3
                • 4.Sa4#
          • 2...Kf6
            • 3.Sd5+
              • 3...Kg5
                • 4.Qf4#
      • 1...Bh6
        • 2.Rc2+
          • 2...Kxe3
            • 3.Rf2
              • threat
                • 4.Qc3#
                • 4.Qe5#
                • 4.Qd2#
              • 3...gxf2+
                • 4.Qxf2#
      • 1...Bf8
        • 2.Rb3+
          • 2...Kxc5
            • 3.Rb6
              • threat
                • 4.Qc3#
                • 4.Qe5#
                • 4.Qb4#
              • 3...axb6
                • 4.Qxb6#
      • 1...f4
        • 2.Rc1+
          • 2...Kxe3
            • 3.Re1+
              • 3...Kf3
                • 4.Qe2#
        • 2.a4
          • threat
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qb5#
          • 2...fxe3
            • 3.Rd3+
              • 3...Kc4
                • 4.Qb5#
              • 3...Kxc5
                • 4.Qb5#
          • 2...Bd3
            • 3.Rxd3+
              • 3...Kxc5
                • 4.Qb5#
          • 2...Bh6
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qc3#
                • 4.Qb5#
          • 2...Bf8
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qc3#
                • 4.Qb5#
          • 2...Sf6
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qc3#
                • 4.Qb5#
          • 2...a6
            • 3.Ra3+
              • 3...Kxc5
                • 4.Qb6#
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qb6#
          • 2...f6
            • 3.Rd3+
              • 3...Kxc5
                • 4.Qc3#
                • 4.Qb5#

There are these versions: 183559

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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).