Problem Display
PID: 13312 (8/1p6/b4Qnr/2pN2Kp/1b2k1p1/p3N1p1/4P3/n7 w - - 0 1)

Tolosa y Carreras, Jose

Ruy Lopez, 1898

8/1p6/b4Qnr/2pN2Kp/1b2k1p1/p3N1p1/4P3/n7

#3

5 + 12


SOLUTION


  • SOUND
  • Sets
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sh4
      • 2.Qf4#
    • 1...Se5
      • 2.Qf4#
    • 1...Se7
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
    • 1...Sh8
      • 2.Qf4#
  • Tries
    • 1.Qe6+?
      • 1...Se5
        • 2.Qf5+
          • 2...Kd4
            • 3.Qf4#
      • 1...Kd4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qf5+
          • 2...Kd4
            • 3.Qd3#
      • 1...Bd2+
        • 2.Sxd2+
          • 2...Kxd5
            • 3.e4#
      • 1...Kxd5
        • 2.Qd6+
          • 2...Kxc4
            • 3.Qd3#
          • 2...Ke4
            • 3.Qd3#
      • 1...Bxc4
        • 2.Qf5+
          • 2...Kd4
            • 3.e3#

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).