Problem Display
PID: 13436 (8/3P1k2/8/2N4K/8/8/6R1/8 w - - 0 1)

Carpenter, George Edward

Source?, 0000

8/3P1k2/8/2N4K/8/8/6R1/8

#3

4 + 1


4331 Schachminiaturen II 1903
1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Tries
    • 1.Rf2+?
      • 1...Kg7
        • 2.d8Q
          • 2...Kh7
            • 3.Rf7#
        • 2.d8R
          • 2...Kh7
            • 3.Rf7#
      • 1...Kg8
        • 2.Kg6
          • 2...Kh8
            • 3.Rf8#
            • 3.d8Q#
            • 3.d8R#
        • 2.Kh6
          • 2...Kh8
            • 3.Rf8#
            • 3.d8Q#
            • 3.d8R#
      • 1...Ke7!
    • 1.Rg8?
      • 1...Ke7
        • 2.d8Q+
          • 2...Kf7
            • 3.Qf8#
      • 1...Kxg8
        • 2.Kg6
          • threat
            • 3.d8Q#
            • 3.d8R#
          • 2...Kf8
            • 3.d8Q#
          • 2...Kh8
            • 3.d8Q#
            • 3.d8R#
      • 1...Kf6!
  • Keys
    • 1.Rd2!
      • threat
        • 2.d8Q
          • 2...Kg7
            • 3.Rd7#
      • 1...Kf6
        • 2.d8Q+
          • 2...Ke5
            • 3.Qg5#
          • 2...Kf5
            • 3.Qg5#
          • 2...Kf7
            • 3.Rd7#
          • 2...Kg7
            • 3.Rd7#
      • 1...Ke7
        • 2.d8Q+
          • 2...Kf7
            • 3.Rd7#
      • 1...Kg7
        • 2.d8Q
          • threat
            • 3.Rd7#
          • 2...Kf7
            • 3.Rd7#
          • 2...Kh7
            • 3.Rd7#
      • 1...Kf8
        • 2.Kg6
          • threat
            • 3.d8Q#
          • 2...Ke7
            • 3.d8Q#
          • 2...Kg8
            • 3.d8Q#
            • 3.d8R#
        • 2.d8Q+
          • 2...Kf7
            • 3.Rd7#
          • 2...Kg7
            • 3.Rd7#
      • 1...Kg8
        • 2.Kg6
          • threat
            • 3.d8Q#
            • 3.d8R#
          • 2...Kf8
            • 3.d8Q#
          • 2...Kh8
            • 3.d8Q#
            • 3.d8R#
        • 2.d8Q+
          • 2...Kf7
            • 3.Rd7#
          • 2...Kg7
            • 3.Rd7#
          • 2...Kh7
            • 3.Rd7#

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).