Problem Display
PID: 224980 (5Q2/2K5/8/3k4/5p1p/5N1R/8/8 w - - 0 1)

de Zamora, Mateo

Teoria y Practica del Ajedrez, 1868

5Q2/2K5/8/3k4/5p1p/5N1R/8/8

#3

4 + 3


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sd2?
      • threat
        • 2.Qd6#
      • 1...Ke6
        • 2.Qxf4
          • 2...Kd5
            • 3.Qd6#
          • 2...Ke7
            • 3.Re3#
      • 1...Ke5!
    • 1.Rxh4?
      • threat
        • 2.Rxf4
          • 2...Ke6
            • 3.Qd6#
            • 3.Qf7#
      • 1...Ke4
        • 2.Qxf4+
          • 2...Kd3
            • 3.Qd2#
          • 2...Kd5
            • 3.Qe5#
            • 3.Qd6#
            • 3.Qc4#
            • 3.Qf5#
      • 1...Ke6
        • 2.Rxf4
          • 2...Kd5
            • 3.Qd6#
            • 3.Qf5#
      • 1...Kc4!
    • 1.Qe8?
      • threat
        • 2.Qc6#
      • 1...Kc5
        • 2.Qa4
          • 2...Kd5
            • 3.Qc6#
      • 1...Kc4!
  • Keys
    • 1.Qxf4!
      • 1...Kc5
        • 2.Qa4
          • 2...Kd5
            • 3.Qc6#
      • 1...Ke6
        • 2.Sd2
          • 2...Kd5
            • 3.Qd6#
          • 2...Ke7
            • 3.Re3#

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).