Problem Display
PID: 14630 (k7/8/8/4P3/8/p7/6PQ/R3K3 w Q - 0 1)

Nabokov, Vladimir Vladimirovich

Speak, Memory, 1951

k7/8/8/4P3/8/p7/6PQ/R3K3

#3

5 + 2


4706 Poems and Problems 1970
2012 Miniature Chess Problems from Many Countries 1981

SOLUTION


  • SOUND
  • Tries
    • 1.Rb1?
      • threat
        • 2.Qg3
          • threat
            • 3.Qxa3#
          • 2...Ka7
            • 3.Qxa3#
          • 2...a2
            • 3.Qa3#
        • 2.Qf4
          • threat
            • 3.Qa4#
          • 2...Ka7
            • 3.Qa4#
        • 2.Qh3
          • threat
            • 3.Qxa3#
          • 2...Ka7
            • 3.Qxa3#
          • 2...a2
            • 3.Qa3#
        • 2.Qh4
          • threat
            • 3.Qa4#
          • 2...Ka7
            • 3.Qa4#
        • 2.Qh7
          • 2...a2
            • 3.Qb7#
      • 1...Ka7
        • 2.Qg3
          • threat
            • 3.Qxa3#
          • 2...Ka6
            • 3.Qxa3#
          • 2...Ka8
            • 3.Qxa3#
          • 2...a2
            • 3.Qa3#
        • 2.Qf4
          • threat
            • 3.Qa4#
          • 2...Ka6
            • 3.Qa4#
          • 2...Ka8
            • 3.Qa4#
        • 2.Qh3
          • threat
            • 3.Qxa3#
          • 2...Ka6
            • 3.Qxa3#
          • 2...Ka8
            • 3.Qxa3#
          • 2...a2
            • 3.Qa3#
        • 2.Qh4
          • threat
            • 3.Qa4#
          • 2...Ka6
            • 3.Qa4#
          • 2...Ka8
            • 3.Qa4#
      • 1...a2!
    • 1.Rxa3+?
      • 1...Kb8
        • 2.Qh7
          • 2...Kc8
            • 3.Ra8#
      • 1...Kb7!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Rb1
          • 2...a2
            • 3.Qb7#
        • 2.Rd1
          • threat
            • 3.Rd8#
          • 2...Kb8
            • 3.Rd8#
        • 2.Qb1
          • threat
            • 3.Rxa3#
          • 2...Ka7
            • 3.Rxa3#
          • 2...a2
            • 3.Rxa2#
        • 2.Qc7
          • 2...a2
            • 3.Rxa2#
        • 2.0-0-0
          • threat
            • 3.Rd8#
          • 2...Kb8
            • 3.Rd8#
      • 1...Kb8
        • 2.Rxa3
          • 2...Kc8
            • 3.Ra8#
      • 1...a2
        • 2.Qb1
          • 2...Ka7
            • 3.Rxa2#

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).