Problem Display
PID: 203157 (4Nn2/5p1r/5P2/3Pk1p1/1N1p2P1/3p1P1p/P6p/3K3B w - - 0 1)

Kubbel, Arvid Ivanovich

64 Shakhmatnoe obozrenie, 1925

4Nn2/5p1r/5P2/3Pk1p1/1N1p2P1/3p1P1p/P6p/3K3B

#4

9 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Kd2!
      • threat
        • 2.Sxd3+
          • 2...Kxd5
            • 3.f4+
              • 3...Kc4
                • 4.Sd6#
              • 3...Ke6
                • 4.Sc5#
      • 1...Kf4
        • 2.Sxd3+
          • 2...Kg3
            • 3.Sd6
              • threat
                • 4.Sf5#
              • 3...Kh4
                • 4.Sf5#
      • 1...Se6
        • 2.Sxd3+
          • 2...Kxd5
            • 3.f4+
              • 3...Kc4
                • 4.Sd6#
      • 1...Sd7
        • 2.Sxd3+
          • 2...Kxd5
            • 3.f4+
              • 3...Kc4
                • 4.Sd6#
              • 3...Ke6
                • 4.f5#

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).