Problem Display
PID: 60654 (8/p7/p1pk2pB/Q3p3/6Bb/K2p3P/5P1q/8 w - - 0 1)

Fomichev, Evgeny Vasilevich

Kuligin, Nikolai Volodimirovich

Zadachi i Etyudi, 1999

8/p7/p1pk2pB/Q3p3/6Bb/K2p3P/5P1q/8

#4

6 + 9


5638 Czech Open Solving Ty. 2003
5405 Chess Solving Yearbook 2003 2004

SOLUTION


  • SOUND
  • Keys
    • 1.Be3!
      • threat
        • 2.Qc5+
          • 2...Kc7
            • 3.Qxa7+
              • 3...Kd6
                • 4.Qd7#
              • 3...Kd8
                • 4.Qd7#
      • 1...Ke7
        • 2.Qc7+
          • 2...Kf6
            • 3.Bh6
              • threat
                • 4.Qg7#
          • 2...Ke8
            • 3.Bc5
              • threat
                • 4.Qd7#
              • 3...Be7
                • 4.Qxe7#
          • 2...Kf8
            • 3.Bh6+
              • 3...Ke8
                • 4.Qd7#
              • 3...Kg8
                • 4.Qg7#
      • 1...Be7
        • 2.Qc5+
          • 2...Kc7
            • 3.Qxe7+
              • 3...Kb8
                • 4.Qxa7#
      • 1...e4
        • 2.Bc5+
          • 2...Kd5
            • 3.Bb4+
              • 3...Kc4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
              • 3...c5
                • 4.Qxc5#
            • 3.Bb6+
              • 3...Kc4
                • 4.Be6#
                • 4.Qc5#
              • 3...Kd6
                • 4.Qc5#
              • 3...c5
                • 4.Qxc5#
            • 3.Be7+
              • 3...Kc4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
              • 3...c5
                • 4.Qxc5#
            • 3.Bf8+
              • 3...Kc4
                • 4.Qc5#
              • 3...Kd4
                • 4.Qc5#
              • 3...c5
                • 4.Qxc5#
          • 2...Ke5
            • 3.Qc3+
              • 3...Kf4
                • 4.Be3#
              • 3...Kd5
                • 4.Qd4#

FEATURES


NOT CLASSIFIED


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).