Problem Display
PID: 218116 (2R4Q/p1p1Pnr1/P1P2Rp1/kBK1p3/p1P5/2p1r2b/8/B1N5 w - - 0 1)

Thompson, Theophilus Augustus

Wilmington (Delaware) Sunday Morning Star, 1895

2R4Q/p1p1Pnr1/P1P2Rp1/kBK1p3/p1P5/2p1r2b/8/B1N5

#4

11 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rf1!
      • threat
        • 2.Sb3+
          • 2...axb3
            • 3.Bxc3+
              • 3...Rxc3
                • 4.Ra1#
      • 1...Bxf1
        • 2.Qd8
          • threat
            • 3.Qxc7#
          • 2...Sxd8
            • 3.exd8S
              • threat
                • 4.Sb7#
      • 1...Rg3
        • 2.Sb3+
          • 2...axb3
            • 3.Bxc3+
              • 3...Rxc3
                • 4.Ra1#
      • 1...c2
        • 2.Qh4
          • threat
            • 3.Qe1+
              • 3...Rxe1
                • 4.Bc3#
              • 3...Rc3
                • 4.Bxc3#
                • 4.Qxc3#
          • 2...Ra3
            • 3.Qe1+
              • 3...Rc3
                • 4.Bxc3#
                • 4.Qxc3#
          • 2...Rb3
            • 3.Sxb3+
              • 3...axb3
                • 4.Bc3#
                • 4.Qe1#
            • 3.Qe1+
              • 3...Rc3
                • 4.Bxc3#
                • 4.Qxc3#
              • 3...Rb4
                • 4.Qxb4#
          • 2...Rd3
            • 3.Qe1+
              • 3...Rd2
                • 4.Bc3#
                • 4.Qxd2#
              • 3...Rc3
                • 4.Bxc3#
                • 4.Qxc3#
          • 2...Rf3
            • 3.Qe1+
              • 3...Rc3
                • 4.Bxc3#
                • 4.Qxc3#
            • 3.Rxf3
              • threat
                • 4.Bc3#
                • 4.Qe1#
          • 2...Rg3
            • 3.Qxg3
              • threat
                • 4.Bc3#
                • 4.Qe1#
                • 4.Qc3#
          • 2...a3
            • 3.Qe1+
              • 3...Rxe1
                • 4.Sb3#
                • 4.Bc3#
              • 3...Rc3
                • 4.Sb3#
                • 4.Bxc3#
                • 4.Qxc3#

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).