Problem Display
PID: 169981 (4k3/8/1b2P3/5N2/4Q3/5K2/8/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2017

4k3/8/1b2P3/5N2/4Q3/5K2/8/8

#2

4 + 2


5454 Near Snap 2018
  • SOUND
  • Sets
    • 1...Bg1
      • 2.Qa8#
    • 1...Bf2
      • 2.Qa8#
    • 1...Be3
      • 2.Qa8#
    • 1...Bd4
      • 2.Qa8#
    • 1...Bc5
      • 2.Qa8#
  • Tries
    • 1.Qc6+?
      • 1...Kd8
        • 2.Qd7#
        • 2.e7#
      • 1...Kf8!
    • 1.Qb7?
      • threat
        • 2.Qe7#
      • 1...Kd8
        • 2.Qd7#
        • 2.Qb8#
      • 1...Kf8
        • 2.Qf7#
      • 1...Bc5
        • 2.Qa8#
        • 2.Qc8#
        • 2.Qb8#
      • 1...Bd8
        • 2.Qf7#
      • 1...Bc7!
    • 1.Qa4+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Kf8!
    • 1.Qb4?
      • threat
        • 2.Qe7#
      • 1...Bc5
        • 2.Qb8#
      • 1...Bd8
        • 2.Sg7#
      • 1...Kd8!
    • 1.Qh4?
      • threat
        • 2.Qe7#
        • 2.Qh8#
      • 1...Kf8
        • 2.Qh8#
      • 1...Bd4
        • 2.Qe7#
      • 1...Bd8
        • 2.Qh8#
      • 1...Bc5!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Qb8#
      • 1...Kf8
        • 2.Qh8#
      • 1...Bd4
        • 2.Qb8#
      • 1...Bc5
        • 2.Qb8#

Anticipated by 47227(1849), 110515(1870), 183106(1907), 193729(1916), 166257(1917), 149134(1929), 172254(1996), 173962(2005)



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).