Problem Display
PID: 209657 (8/1R6/5pN1/2kB4/4P3/8/3K4/N7 w - - 0 1)

Tronov, Mikhail Vladimirovich

Shakhmaty, 1926

8/1R6/5pN1/2kB4/4P3/8/3K4/N7

#3

6 + 2


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sb3#
  • Tries
    • 1.Kc3?
      • 1...Kd6
        • 2.Kc4
          • 2...f5
            • 3.e5#
        • 2.Kd4
          • 2...f5
            • 3.e5#
      • 1...f5!
    • 1.Kd3?
      • 1...Kd6
        • 2.Kc4
          • 2...f5
            • 3.e5#
        • 2.Kd4
          • 2...f5
            • 3.e5#
      • 1...f5!
    • 1.Ke3?
      • 1...Kd6
        • 2.Kd4
          • 2...f5
            • 3.e5#
      • 1...f5!
    • 1.Se5?
      • threat
        • 2.Sb3+
          • 2...Kd6
            • 3.Sc4#
            • 3.Sf7#
        • 2.Sc4
          • threat
            • 3.Sb3#
          • 2...Kd4
            • 3.Sb3#
        • 2.Sf7
          • threat
            • 3.Sb3#
          • 2...Kd4
            • 3.Sb3#
      • 1...Kd4
        • 2.Sd3
          • 2...f5
            • 3.Sc2#
            • 3.Sb3#
            • 3.Rb4#
        • 2.Sc4
          • threat
            • 3.Sb3#
          • 2...Kc5
            • 3.Sb3#
        • 2.Sd7
          • 2...f5
            • 3.Sc2#
            • 3.Sb3#
            • 3.Rb4#
        • 2.Sf7
          • threat
            • 3.Sb3#
          • 2...Kc5
            • 3.Sb3#
      • 1...Kd6
        • 2.Sc4+
          • 2...Kc5
            • 3.Sb3#
        • 2.Sf7+
          • 2...Kc5
            • 3.Sb3#
      • 1...f5
        • 2.Sb3+
          • 2...Kd6
            • 3.Sc4#
            • 3.Sf7#
      • 1...fxe5!
  • Keys
    • 1.Sh8!
      • threat
        • 2.Sb3+
          • 2...Kd6
            • 3.Sf7#
        • 2.Sf7
          • threat
            • 3.Sb3#
          • 2...Kd4
            • 3.Sb3#
      • 1...Kd4
        • 2.Sf7
          • threat
            • 3.Sb3#
          • 2...Kc5
            • 3.Sb3#
      • 1...Kd6
        • 2.Sf7+
          • 2...Kc5
            • 3.Sb3#
      • 1...f5
        • 2.Sb3+
          • 2...Kd6
            • 3.Sf7#

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).