Problem Display
PID: 253260 (4b2b/1n5Q/3B1p1P/1p2pp2/rRn2kpK/1pR5/8/4N2B w - - 0 1)

Keller, Michael

1st HM., idee & form, 1991

4b2b/1n5Q/3B1p1P/1p2pp2/rRn2kpK/1pR5/8/4N2B

#3

8 + 12


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Bd5
        • threat
          • 3.Sg2#
        • 2...Se3
          • 3.Sd3#
    • 1...Bg7
      • 2.hxg7
        • threat
          • 3.Qh6#
    • 1...Sa5
      • 2.Rg3
        • threat
          • 3.Sd3#
      • 2.Qa7
        • threat
          • 3.Sd3#
          • 3.Qf2#
          • 3.Qe3#
          • 3.Qd4#
    • 1...Sd8
      • 2.Rg3
        • threat
          • 3.Sd3#
    • 1...b2
      • 2.Bd5
        • threat
          • 3.Sg2#
    • 1...g3
      • 2.Bd5
        • threat
          • 3.Sg2#
          • 3.Rf3#
  • Tries
    • 1.Bxe5+?
      • 1...Kxe5
        • 2.Qe7+
          • 2...Kd4
            • 3.Rd3#
            • 3.Qe3#
          • 2...Kf4
            • 3.Sg2#
            • 3.Sd3#
            • 3.Qe3#
      • 1...fxe5!
    • 1.Rf3+?
      • 1...Ke4
        • 2.Rg3+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#
        • 2.Rh3+
          • 2...Kd4
            • 3.Rd3#
          • 2...Kf4
            • 3.Sd3#
        • 2.Qxf5+
          • 2...Kd4
            • 3.Rd3#
            • 3.Qd3#
          • 2...Kd5
            • 3.Rd3#
      • 1...gxf3!
    • 1.Rbxc4+?
      • 1...Rxc4
        • 2.Bd5
          • threat
            • 3.Sg2#
      • 1...bxc4!
    • 1.Qxb7?
      • threat
        • 2.Sg2#
      • 1...Ra2
        • 2.Rf3+
          • 2...gxf3
            • 3.Qxf3#
      • 1...Bc6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Bxe5+
          • 2...fxe5
            • 3.Qg5#
      • 1...Rxb4
        • 2.Bd5
          • threat
            • 3.Sg2#
          • 2...Se3
            • 3.Sd3#
      • 1...Sxd6
        • 2.Rg3
          • threat
            • 3.Sd3#
          • 2...e4
            • 3.Sg2#

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).