Problem Display
PID: 204757 (5k2/5Bp1/6Q1/3p4/3p4/3K4/8/8 w - - 0 1)

Hultberg, Gustav Herbert

Schackvarlden, 1926

5k2/5Bp1/6Q1/3p4/3p4/3K4/8/8

#4

3 + 4


6490 yacpdb 2020

SOLUTION


  • COOKED
  • Keys
    • 1.Be8!
      • threat
        • 2.Qf7#
      • 1...Ke7
        • 2.Qf7+
          • 2...Kd6
            • 3.Kxd4
              • threat
                • 4.Qd7#
        • 2.Bb5
          • 2...Kd8
            • 3.Qd6+
              • 3...Kc8
                • 4.Ba6#
      • 1...Kg8
        • 2.Bd7
          • threat
            • 3.Be6+
              • 3...Kf8
                • 4.Qf7#
              • 3...Kh8
                • 4.Qh5#
          • 2...Kh8
            • 3.Bf5
              • 3...Kg8
                • 4.Qe8#
    • 1.Qe6!
      • threat
        • 2.Qe8#
      • 1...g5
        • 2.Bg6
          • threat
            • 3.Qf7#
          • 2...Kg7
            • 3.Qf7+
              • 3...Kh6
                • 4.Qh7#
              • 3...Kh8
                • 4.Qh7#
                • 4.Qf8#
        • 2.Bg8
          • threat
            • 3.Qf7#
          • 2...Kg7
            • 3.Qf7+
              • 3...Kh6
                • 4.Qh7#
              • 3...Kh8
                • 4.Qh7#
        • 2.Qf6
          • 2...g4
            • 3.Bxd5+
              • 3...Ke8
                • 4.Bc6#
      • 1...g6
        • 2.Qf6
          • 2...g5
            • 3.Bxd5+
              • 3...Ke8
                • 4.Bc6#

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).