Problem Display
PID: 92295 (8/8/8/p6p/K6Q/P2k1p2/5p2/1NB2R2 w - - 0 1)

Hermanson, Halvar

Schach-Echo, 1958

8/8/8/p6p/K6Q/P2k1p2/5p2/1NB2R2

#2

6 + 5


5454 Near Snap 2009
6490 yacpdb 2009
  • SOUND
  • Sets
    • 1...Kc2
      • 2.Qe4#
    • 1...Ke2
      • 2.Qc4#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Qc4#
      • 1...Ke2
        • 2.Qc4#
      • 1...a4+!
    • 1.Kxa5?
      • 1...Ke2
        • 2.Qc4#
      • 1...Kc2!
    • 1.Kb5?
      • threat
        • 2.Qc4#
      • 1...Ke2
        • 2.Qc4#
      • 1...Kc2!
    • 1.Bd2?
      • 1...Ke2
        • 2.Qc4#
      • 1...Kc2!
    • 1.Bg5?
      • 1...Ke2
        • 2.Qc4#
      • 1...Kc2!
    • 1.Bh6?
      • 1...Ke2
        • 2.Qc4#
      • 1...Kc2!
    • 1.Rd1+?
      • 1...Ke2
        • 2.Sc3#
      • 1...Kc2!
    • 1.Qd4+?
      • 1...Kc2
        • 2.Qe4#
      • 1...Ke2
        • 2.Qd1#
        • 2.Qc4#
      • 1...Kxd4!
    • 1.Qf4?
      • 1...Kc2
        • 2.Qe4#
        • 2.Qf5#
      • 1...Ke2
        • 2.Qc4#
      • 1...h4!
  • Keys
    • 1.Sd2!
      • 1...Kc2
        • 2.Qc4#
      • 1...Ke2
        • 2.Qe4#
      • 1...Kc3
        • 2.Qc4#
      • 1...Ke3
        • 2.Qe4#

Anticipated by 16715(1942), 93933(1956)

This anticipates 9835(1960)



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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).