Problem Display
PID: 92450 (KQ6/7b/2k3p1/4pP2/4P3/3N4/1p2N3/8 w - - 0 1)

Herland, Sigmund

Deutsche Schachzeitung, 1907

KQ6/7b/2k3p1/4pP2/4P3/3N4/1p2N3/8

#3

6 + 5


16336 Problemes choisis composes par Sigmund Herland (Yaremska-Iliescu) 2001
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sd4+?
      • 1...exd4
        • 2.Qb7+
          • 2...Kd6
            • 3.e5#
      • 1...Kd7!
    • 1.Qd6+?
      • 1...Kb5
        • 2.Ka7
          • threat
            • 3.Qa6#
          • 2...Ka4
            • 3.Qb4#
          • 2...Kc4
            • 3.Qd5#
          • 2...Ka5
            • 3.Qb4#
            • 3.Qa6#
        • 2.Kb7
          • threat
            • 3.Qb4#
            • 3.Qa6#
          • 2...Ka4
            • 3.Qb4#
          • 2...Kc4
            • 3.Qd5#
          • 2...Ka5
            • 3.Qb4#
            • 3.Qa6#
        • 2.Qc5+
          • 2...Ka4
            • 3.Qb4#
          • 2...Ka6
            • 3.Sb4#
      • 1...Kxd6!
    • 1.Qc7+?
      • 1...Kb5
        • 2.Sc3+
          • 2...Ka6
            • 3.Sb4#
            • 3.Sc5#
            • 3.Qa7#
        • 2.Qc5+
          • 2...Ka4
            • 3.Qb4#
          • 2...Ka6
            • 3.Sb4#
      • 1...Kxc7!
    • 1.Qc8+?
      • 1...Kb5
        • 2.Qc5+
          • 2...Ka4
            • 3.Qb4#
          • 2...Ka6
            • 3.Sb4#
      • 1...Kb6
        • 2.Qc5+
          • 2...Ka6
            • 3.Sb4#
      • 1...Kd6!
  • Keys
    • 1.Sef4!
      • threat
        • 2.Sxe5+
          • 2...Kc5
            • 3.Se6#
      • 1...Kd7
        • 2.Sxe5+
          • 2...Ke7
            • 3.Sd5#
      • 1...exf4
        • 2.Qb7+
          • 2...Kd6
            • 3.e5#
      • 1...Bg8
        • 2.Sxg6
          • threat
            • 3.Sgxe5#
          • 2...Kd7
            • 3.Sdxe5#

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).