Problem Display
PID: 73436 (Q3K3/8/8/1kB5/1P6/8/2P5/8 w - - 0 1)

Morse, Christopher Jeremy

The Field, 1961

(First published on Thu Mar 9 1961)

Q3K3/8/8/1kB5/1P6/8/2P5/8

#2

5 + 1


3713 Snap 2007
5454 Near Snap 2008
  • SOUND
  • Tries
    • 1.Qf3?
      • 1...Kc4
        • 2.Qd3#
      • 1...Ka6
        • 2.Qc6#
      • 1...Ka4!
    • 1.Qe4?
      • 1...Ka6
        • 2.Qc6#
      • 1...Ka4!
    • 1.Qd5?
      • 1...Ka6
        • 2.Qc6#
      • 1...Ka4!
    • 1.Qb7+?
      • 1...Ka4
        • 2.Qa6#
      • 1...Kc4!
    • 1.Qa3?
      • 1...Kc4
        • 2.Qd3#
      • 1...Kc6!
    • 1.Qa7?
      • 1...Kc6
        • 2.Qd7#
      • 1...Kc4!
    • 1.Qc8?
      • 1...Ka4
        • 2.Qa6#
      • 1...Kc4!
  • Keys
    • 1.Qd8!
      • 1...Ka4
        • 2.Qa5#
      • 1...Kc4
        • 2.Qd3#
      • 1...Ka6
        • 2.Qb6#
      • 1...Kc6
        • 2.Qd7#

Anticipated by 24210(1927), 33184(1938), 16378(1940), 30942(1943), 47022(1955)

This anticipates 12363(1978), 84992(1992), 120638(1995), 79159(2005)



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