Problem Display
PID: 68865 (b2q4/1Q6/pRpp4/P1k5/8/2PK4/8/1n6 w - - 0 1)

Pierce, James

The Chess Players' Quarterly Chronicle, 1871

b2q4/1Q6/pRpp4/P1k5/8/2PK4/8/1n6

#4

5 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qc4#
      • 1...d5
        • 2.Qf4
          • threat
            • 3.Qb4#
          • 2...Qxb6
            • 3.Qf8+
              • 3...Kb5
                • 4.Qb4#
          • 2...d4
            • 3.Qe5+
              • 3...Qd5
                • 4.cxd4#
            • 3.cxd4+
              • 3...Kd5
                • 4.Qe5#
              • 3...Qxd4+
                • 4.Qxd4#
          • 2...Qh4
            • 3.Qf8+
              • 3...Qe7
                • 4.Qxe7#
      • 1...Qh4
        • 2.Qf5+
          • 2...d5
            • 3.Qf8+
              • 3...Qe7
                • 4.Qxe7#

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).