Problem Display
PID: 261907 (8/5Q2/2Np4/8/4k3/8/P7/1K4B1 w - - 0 1)

Schrader, Carl

Problemnoter, 1957

8/5Q2/2Np4/8/4k3/8/P7/1K4B1

#3

5 + 2


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Kc1?
      • 1...Kd3
        • 2.Qd5+
          • 2...Ke2
            • 3.Qd1#
          • 2...Kc3
            • 3.Qb3#
            • 3.Qd4#
        • 2.Qf3+
          • 2...Kc4
            • 3.Qb3#
      • 1...d5!
    • 1.Sd4?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kd3!
    • 1.Se7?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qf5#
      • 1...Kd3!
    • 1.Bb6?
      • 1...Kd3
        • 2.Qf3+
          • 2...Kd2
            • 3.Ba5#
          • 2...Kc4
            • 3.Qb3#
      • 1...d5!
    • 1.Qf1?
      • threat
        • 2.Se7
          • threat
            • 3.Qf5#
          • 2...Ke5
            • 3.Qf5#
      • 1...Kd5
        • 2.Sd4
          • 2...Ke4
            • 3.Qf5#
          • 2...Kc5
            • 3.Qb5#
          • 2...Ke5
            • 3.Qf5#
      • 1...d5!
  • Keys
    • 1.Bd4!
      • 1...Kd3
        • 2.Qf3+
          • 2...Kd2
            • 3.Bc3#
          • 2...Kc4
            • 3.Qb3#
      • 1...d5
        • 2.Qf2
          • 2...Kd3
            • 3.Qc2#

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).