Problem Display
PID: 218080 (8/1Q6/3p4/P7/2kP4/2P3K1/P2P4/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Deutsches Wochenschach, 1894

8/1Q6/3p4/P7/2kP4/2P3K1/P2P4/8

#4

7 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qf5
          • 2...d5
            • 3.Qf1#
      • 1...Kb5
        • 2.Qc7
          • 2...Ka4
            • 3.Qb6
              • threat
                • 4.Qb4#
              • 3...Ka3
                • 4.Qb3#
          • 2...d5
            • 3.Qb6+
              • 3...Ka4
                • 4.Qb4#
              • 3...Kc4
                • 4.Qa6#
            • 3.Qc5+
              • 3...Ka4
                • 4.Qb4#
              • 3...Ka6
                • 4.Qb6#
      • 1...Kd5
        • 2.Qd7
          • 2...Kc4
            • 3.Qf5
              • 3...d5
                • 4.Qf1#
          • 2...Ke4
            • 3.Qb5
              • 3...d5
                • 4.Qb1#
      • 1...d5
        • 2.Qg6
          • 2...Kb5
            • 3.Qb6+
              • 3...Ka4
                • 4.Qb4#
              • 3...Kc4
                • 4.Qa6#

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).