Problem Display
PID: 26657 (br1n4/BkP2n2/p1R5/3R4/K7/8/8/8 w - - 0 1)

Bettmann, Henry Wald

Good Companions, 1923

br1n4/BkP2n2/p1R5/3R4/K7/8/8/8

#2

5 + 6


2988 Izbrannie Kompozitsi 1985
5454 Near Snap 2011
  • SOUND
  • Sets
    • 1...Kc8
      • 2.cxb8Q#
      • 2.cxb8R#
  • Tries
    • 1.Rb6+?
      • 1...Kxa7
        • 2.cxb8Q#
      • 1...Kc8
        • 2.cxb8Q#
      • 1...Kxc7!
    • 1.c8Q+?
      • 1...Kxa7
        • 2.Rxa6#
        • 2.Qxa6#
      • 1...Rxc8!
  • Keys
    • 1.Rd7!
      • threat
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxc6
        • 2.cxb8S#
      • 1...Kxa7
        • 2.c8S#
      • 1...Kc8
        • 2.cxd8Q#
        • 2.cxd8R#
      • 1...Sxc6
        • 2.cxb8Q#
        • 2.cxb8R#
      • 1...Rc8
        • 2.cxd8S#
      • 1...Se5
        • 2.cxd8S#
        • 2.c8Q#
      • 1...Sg5
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#
      • 1...Sd6
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#
      • 1...Sh6
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#
      • 1...Sh8
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#
      • 1...Se6
        • 2.c8Q#
      • 1...a5
        • 2.cxb8S#
        • 2.cxd8S#
        • 2.c8Q#
        • 2.c8R#

This anticipates 51544(1963), 3195(1972)

This is a version of 22009



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