Problem Display
PID: 209403 (8/4Q3/6P1/5P2/4Kppp/6N1/3R1Pk1/8 w - - 0 1)

von Gottschall, Hermann

Streifzuge durch des Gebeit des Schachproblems, 1926

8/4Q3/6P1/5P2/4Kppp/6N1/3R1Pk1/8

#3

7 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kh2
      • 2.Qxh4+
        • 2...Kg1
          • 3.Qh1#
        • 2...Kg2
          • 3.Qh1#
    • 1...f3
      • 2.Qxh4
        • 2...Kg1
          • 3.Qh1#
  • Tries
    • 1.Kxf4?
      • threat
        • 2.Qxh4
          • 2...Kg1
            • 3.Qh1#
        • 2.Qe4+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
          • 2...Kh3
            • 3.Qh1#
        • 2.Qb7+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
          • 2...Kh3
            • 3.Qh1#
      • 1...Kg1
        • 2.Qxh4
          • 2...Kg2
            • 3.Qh1#
        • 2.Qe1+
          • 2...Kg2
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.f3
          • threat
            • 3.Qc5#
            • 3.Qe1#
            • 3.Qe3#
            • 3.Qa7#
      • 1...Kh2
        • 2.Qxh4+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kg2
            • 3.Qh1#
      • 1...Kh3
        • 2.Qe1
          • threat
            • 3.Qh1#
          • 2...Kg2
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.Qe4
          • threat
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.Qb7
          • threat
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
      • 1...h3
        • 2.Qe1
          • threat
            • 3.Qh1#
            • 3.f3#
          • 2...Kh2
            • 3.Qh1#
            • 3.f3#
          • 2...h2
            • 3.Qf1#
        • 2.Qe4+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.Qb7+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.f3+
          • 2...Kg1
            • 3.Qc5#
            • 3.Qe1#
            • 3.Qe3#
            • 3.Qa7#
      • 1...hxg3!
    • 1.Qxh4?
      • threat
        • 2.Qh1#
      • 1...Kg1
        • 2.Qh1#
      • 1...fxg3!
    • 1.f3+?
      • 1...Kxg3
        • 2.Qg5
          • threat
            • 3.Qxg4#
          • 2...Kh3
            • 3.Qxg4#
      • 1...Kh3!
  • Keys
    • 1.Qf6!
      • 1...Kg1
        • 2.Qa1+
          • 2...Kg2
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
        • 2.f3
          • threat
            • 3.Qa1#
            • 3.Qd4#
            • 3.Qb6#
      • 1...Kh2
        • 2.Qxh4+
          • 2...Kg1
            • 3.Qh1#
          • 2...Kg2
            • 3.Qh1#
      • 1...Kh3
        • 2.Qa1
          • threat
            • 3.Qh1#
          • 2...Kg2
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
      • 1...fxg3
        • 2.fxg3+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kg1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qa1#
          • 2...Kxg3
            • 3.Qc3#
          • 2...Kh3
            • 3.Qxh4#
      • 1...hxg3
        • 2.f3+
          • 2...Kf1
            • 3.Qa1#
          • 2...Kg1
            • 3.Qa1#
          • 2...Kh1
            • 3.Qa1#
          • 2...Kh3
            • 3.Qh8#
      • 1...f3
        • 2.Qxh4
          • 2...Kg1
            • 3.Qh1#
      • 1...h3
        • 2.Qa1
          • threat
            • 3.Qh1#
          • 2...Kh2
            • 3.Qh1#
          • 2...fxg3
            • 3.f3#
            • 3.f4#
          • 2...h2
            • 3.Qf1#

FEATURES


NOT CLASSIFIED


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).