Problem Display
PID: 188391 (8/8/4Pp2/1K6/RPp5/2Pp4/1k1N4/2bB1NQ1 w - - 0 1)

Yacoubian, Garen

Schweizerische Schachzeitung, 1969

8/8/4Pp2/1K6/RPp5/2Pp4/1k1N4/2bB1NQ1

#3

9 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Sexc4+
          • 2...Kxc3
            • 3.Sb1#
            • 3.Se4#
      • 1...Kxc3
        • 2.Sexc4
          • threat
            • 3.Sb1#
            • 3.Se4#
          • 2...Bxd2
            • 3.Ra3#
      • 1...f5
        • 2.Sexc4+
          • 2...Kxc3
            • 3.Sb1#
            • 3.Qg7#
      • 1...Bxd2!
    • 1.Ra2+?
      • 1...Kxc3
        • 2.Sb1#
        • 2.Se4#
      • 1...Kxa2!
    • 1.Ra8?
      • 1...Bxd2
        • 2.Qa7
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Qa1#
          • 2...Kc1
            • 3.Qa1#
          • 2...Kxc3
            • 3.Qa1#
      • 1...f5
        • 2.Qa7
          • threat
            • 3.Qa1#
            • 3.Qa3#
          • 2...Kxc3
            • 3.Qg7#
      • 1...Kxc3!
  • Keys
    • 1.Sxc4+!
      • 1...Kb1
        • 2.Bb3
          • threat
            • 3.Sfd2#
          • 2...Bd2
            • 3.Sfxd2#
          • 2...d2
            • 3.Sfxd2#
      • 1...Kxc3
        • 2.Sfd2
          • threat
            • 3.Sb1#
            • 3.Se4#
          • 2...Bxd2
            • 3.Ra3#
        • 2.Qc5
          • 2...d2
            • 3.Qe3#
          • 2...Bb2
            • 3.Scd2#
            • 3.Sa3#
            • 3.Sce3#
            • 3.Sa5#
            • 3.Se5#
            • 3.Sb6#
            • 3.Sd6#
          • 2...Bd2
            • 3.Ra3#
          • 2...Ba3
            • 3.Rxa3#
          • 2...Be3
            • 3.Ra3#
          • 2...Bf4
            • 3.Ra3#
          • 2...Bg5
            • 3.Ra3#
          • 2...Bh6
            • 3.Ra3#
          • 2...f5
            • 3.Qe5#

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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).