Problem Display
PID: 212231 (8/B7/3pp3/1p2p1K1/1p1Pk3/1P6/2N1p3/R3N3 w - - 0 1)

de Zamora, Mateo

Teoria y Practica del Ajedrez, 1868

8/B7/3pp3/1p2p1K1/1p1Pk3/1P6/2N1p3/R3N3

#4

7 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.d5!
      • threat
        • 2.Sxb4
          • 2...exd5
            • 3.Ra2
              • 3...d4
                • 4.Rxe2#
        • 2.Ra2
          • threat
            • 3.Sxb4
              • 3...exd5
                • 4.Rxe2#
          • 2...Kxd5
            • 3.Sxb4+
              • 3...Ke4
                • 4.Rxe2#
          • 2...exd5
            • 3.Sxb4
              • 3...d4
                • 4.Rxe2#
            • 3.Sd4
              • threat
                • 4.Rxe2#
              • 3...Ke3
                • 4.Rxe2#
      • 1...Kxd5
        • 2.Sxb4+
          • 2...Ke4
            • 3.Ra2
              • 3...d5
                • 4.Rxe2#
      • 1...exd5
        • 2.Bd4
          • 2...exd4
            • 3.Ra7
              • threat
                • 4.Re7#
              • 3...Ke5
                • 4.Re7#
            • 3.Ra8
              • threat
                • 4.Re8#
              • 3...Ke5
                • 4.Re8#

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).