Problem Display
PID: 184546 (8/8/3Q4/1pP5/8/k7/3P4/2K1N3 w - - 0 1)

Tereshenko, Nikolai Semenovich

Niva, 1908

8/8/3Q4/1pP5/8/k7/3P4/2K1N3

#3

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sc2+?
      • 1...Kb3
        • 2.Qd3+
          • 2...Ka2
            • 3.Qa3#
            • 3.Qd5#
          • 2...Ka4
            • 3.Qa3#
        • 2.Qd5+
          • 2...Ka4
            • 3.Qa2#
        • 2.Qe6+
          • 2...Ka4
            • 3.Qa2#
      • 1...Ka4!
    • 1.Qd5?
      • threat
        • 2.Sc2+
          • 2...Ka4
            • 3.Qa2#
      • 1...Ka4
        • 2.Qa2+
          • 2...Kb4
            • 3.Sd3#
      • 1...Kb4
        • 2.Sc2+
          • 2...Ka4
            • 3.Qa2#
          • 2...Ka5
            • 3.Qa2#
            • 3.Qa8#
      • 1...b4!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Sc2+
          • 2...Ka4
            • 3.Qa2#
      • 1...Ka4
        • 2.Qa2+
          • 2...Kb4
            • 3.Sd3#
      • 1...Kb4
        • 2.Sc2+
          • 2...Ka4
            • 3.Qa2#
          • 2...Ka5
            • 3.Qa2#
          • 2...Kxc5
            • 3.d4#
      • 1...b4
        • 2.Kc2
          • threat
            • 3.Qb3#
            • 3.Qa6#
          • 2...b3+
            • 3.Qxb3#
          • 2...Ka4
            • 3.Qa6#

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).