Problem Display
PID: 215014 (3K4/6p1/8/k2p1B2/1p6/pP2P3/P4Q2/5nr1 w - - 0 1)

Loyd, Sam

Newark Sunday Call, 1878

3K4/6p1/8/k2p1B2/1p6/pP2P3/P4Q2/5nr1

#4

6 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc5+
          • 2...Ka6
            • 3.Bc8#
        • 2.Qc7+
          • 2...Kb5
            • 3.Bd3#
          • 2...Ka6
            • 3.Bd3#
        • 2.Bd3
          • threat
            • 3.Qc5#
            • 3.Qc7#
          • 2...Kb6
            • 3.Qc7#
      • 1...Ka6
        • 2.Qc6+
          • 2...Ka5
            • 3.Qc5+
              • 3...Ka6
                • 4.Bc8#
            • 3.Qc7+
              • 3...Kb5
                • 4.Bd3#
              • 3...Ka6
                • 4.Bd3#
            • 3.Kc7
              • threat
                • 4.Qa4#
                • 4.Qb6#
            • 3.Bd3
              • threat
                • 4.Qb5#
                • 4.Qc5#
                • 4.Qa6#
                • 4.Qc7#
            • 3.Bd7
              • threat
                • 4.Qb5#
            • 3.Bc8
              • threat
                • 4.Qc5#
                • 4.Qa6#
          • 2...Ka7
            • 3.Kc7
              • threat
                • 4.Qa4#
                • 4.Qb7#
            • 3.Kc8
              • threat
                • 4.Qb7#
            • 3.Bc8
              • threat
                • 4.Qb7#
              • 3...Kb8
                • 4.Qb7#
        • 2.Qc8+
          • 2...Ka5
            • 3.Qc5+
              • 3...Ka6
                • 4.Bc8#
            • 3.Qc7+
              • 3...Kb5
                • 4.Bd3#
              • 3...Ka6
                • 4.Bd3#
            • 3.Bd3
              • threat
                • 4.Qa6#
                • 4.Qc5#
                • 4.Qc7#
              • 3...Kb6
                • 4.Qc7#
          • 2...Kb5
            • 3.Bd3+
              • 3...Ka5
                • 4.Qa6#
                • 4.Qc5#
                • 4.Qc7#
              • 3...Kb6
                • 4.Qc7#
          • 2...Kb6
            • 3.Qc7+
              • 3...Kb5
                • 4.Bd3#
              • 3...Ka6
                • 4.Bd3#
          • 2...Ka7
            • 3.Kc7
              • threat
                • 4.Qb7#

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).