Problem Display
PID: 211675 (5n2/2p2K2/2p5/8/4kPQ1/1P6/1pPp1pP1/3r1rb1 w - - 0 1)

Neiman, Moisei Borisovich

Zadachi i Etyudi, 1927

5n2/2p2K2/2p5/8/4kPQ1/1P6/1pPp1pP1/3r1rb1

#3

6 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...c5
      • 2.Qf3+
        • 2...Kd4
          • 3.Qd3#
          • 3.c3#
        • 2...Kf5
          • 3.g4#
  • Tries
    • 1.Qe2+?
      • 1...Kf5
        • 2.Qf3
          • threat
            • 3.g4#
        • 2.Qe5+
          • 2...Kg4
            • 3.Qg5#
      • 1...Kxf4!
    • 1.Qf3+?
      • 1...Kf5
        • 2.g4#
      • 1...Kd4!
    • 1.Qf5+?
      • 1...Ke3
        • 2.Qe5#
      • 1...Kd4
        • 2.Qe5#
      • 1...Kxf5!
    • 1.Qg5?
      • threat
        • 2.Qe5#
      • 1...Sg6
        • 2.Kxg6
          • threat
            • 3.Qe5#
          • 2...Ke3
            • 3.Qe5#
          • 2...Kd4
            • 3.Qe5#
      • 1...Sd7!
  • Keys
    • 1.b4!
      • threat
        • 2.Qf3+
          • 2...Kd4
            • 3.Qd3#
          • 2...Kf5
            • 3.g4#
      • 1...Ke3
        • 2.Qf3+
          • 2...Kd4
            • 3.Qd3#
      • 1...Kd4
        • 2.Qf5
          • threat
            • 3.Qd3#
          • 2...Kc3
            • 3.Qc5#
          • 2...Ke3
            • 3.Qe5#
          • 2...Kc4
            • 3.Qc5#
      • 1...Kd5
        • 2.Qf5+
          • 2...Kc4
            • 3.Qc5#
          • 2...Kd4
            • 3.Qd3#
          • 2...Kd6
            • 3.Qd3#

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).