Problem Display
PID: 157075 (bK1B4/3p2p1/2k5/8/3PP3/3P4/4Q3/7B w - - 0 1)

Ackerman, Ernest

Source?, 1973

bK1B4/3p2p1/2k5/8/3PP3/3P4/4Q3/7B

#2

7 + 4


15148 Sadier Collection 2016
  • SOUND
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qc5#
        • 2.Qd5#
      • 1...Kd6
        • 2.Qg6#
      • 1...d5
        • 2.Qxd5#
      • 1...d6
        • 2.Qe8#
      • 1...g5!
    • 1.Qc2+?
      • 1...Kb5
        • 2.Qc4#
      • 1...Kd6!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qd5#
        • 2.Qa6#
      • 1...Kb5
        • 2.Qc4#
      • 1...Kd6
        • 2.e5#
      • 1...d5
        • 2.Qxd5#
      • 1...Bb7
        • 2.Qd5#
      • 1...d6
        • 2.Qa4#


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).