Problem Display
PID: 247786 (4N3/4p3/1p2p3/b2k4/8/3N1P1b/2Qp2P1/3K4 w - - 0 1)

Klark, Dmitry Vasilevich

Shakhmatny Listok, 1880

4N3/4p3/1p2p3/b2k4/8/3N1P1b/2Qp2P1/3K4

#3

6 + 7


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Sb2?
      • threat
        • 2.Qe4+
          • 2...Kc5
            • 3.Qc4#
        • 2.Qc4+
          • 2...Ke5
            • 3.Qe4#
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Qc4#
          • 2...Ke5
            • 3.Qe4#
      • 1...Bc3
        • 2.Qe4+
          • 2...Kc5
            • 3.Qc4#
      • 1...Bf5
        • 2.Qc4+
          • 2...Ke5
            • 3.f4#
      • 1...b5!
    • 1.Sf4+?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kd4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Qd3+
          • 2...Kc5
            • 3.Qc4#
          • 2...Kxe5
            • 3.Qe4#
        • 2.Qe4+
          • 2...Kc5
            • 3.Qc4#
        • 2.Qc4+
          • 2...Kxe5
            • 3.Qe4#
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Qc4#
          • 2...Kxe5
            • 3.Qe4#
      • 1...Bc3
        • 2.Qe4+
          • 2...Kc5
            • 3.Qc4#
      • 1...Bf5
        • 2.Qc4+
          • 2...Kxe5
            • 3.f4#
      • 1...b5
        • 2.Qe4+
          • 2...Kc5
            • 3.Sd7#

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).