Problem Display
PID: 25361 (4N3/8/2K1p3/2p1b2R/4kp1p/2Prpr2/3B1P2/1Q5B w - - 0 1)

Alexander, F

Illustrated London News, 1867

4N3/8/2K1p3/2p1b2R/4kp1p/2Prpr2/3B1P2/1Q5B

#4

8 + 9


1842 The White King 1914

SOLUTION


  • SOUND
  • Keys
    • 1.Kb5!
      • threat
        • 2.Kc4
          • threat
            • 3.Qxd3#
      • 1...exd2
        • 2.Kc4
          • threat
            • 3.Qxd3#
          • 2...d1Q
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
          • 2...d1R
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
      • 1...exf2
        • 2.Ka4
          • threat
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
          • 2...Kd5
            • 3.Qb7+
              • 3...Kc4
                • 4.Qb3#
          • 2...Bxc3
            • 3.Bxc3
              • threat
                • 4.Re5#
              • 3...Ke3
                • 4.Re5#
              • 3...e5
                • 4.Rxe5#
      • 1...e2
        • 2.Ka4
          • threat
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
          • 2...Kd5
            • 3.Qb7+
              • 3...Kc4
                • 4.Qb3#
          • 2...Bxc3
            • 3.Bxc3
              • threat
                • 4.Sd6#
                • 4.Sf6#
                • 4.Re5#
        • 2.Kc4
          • threat
            • 3.Qxd3#
          • 2...e1S
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
            • 3.Bxe1
              • threat
                • 4.Qxd3#
        • 2.Ka6
          • threat
            • 3.Qb7+
              • 3...Rd5
                • 4.Qh7#
          • 2...Kd5
            • 3.Qxd3+
              • 3...Kc6
                • 4.Bxf3#
          • 2...Bxc3
            • 3.Bxc3
              • threat
                • 4.Sd6#
                • 4.Sf6#
                • 4.Re5#
        • 2.Be1
          • threat
            • 3.Kc4
              • threat
                • 4.Qxd3#
          • 2...Bxc3
            • 3.Bxc3
              • threat
                • 4.Sd6#
                • 4.Sf6#
                • 4.Re5#
            • 3.Kc4
              • threat
                • 4.Sd6#
                • 4.Qxd3#
          • 2...c4
            • 3.Kxc4
              • threat
                • 4.Qxd3#

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).