Problem Display
PID: 179529 (5b2/4p1p1/5N2/3p1N2/3p1B1p/2pk2p1/4R3/1R1B2K1 w - - 0 1)

Negro, J

1st Prize, Nice-Matin, 1973/II

5b2/4p1p1/5N2/3p1N2/3p1B1p/2pk2p1/4R3/1R1B2K1

#3

7 + 9


274 diagrammes 1974

SOLUTION


  • SOUND
  • Tries
    • 1.Sd6?
      • threat
        • 2.Ra2
          • threat
            • 3.Be2#
          • 2...c2
            • 3.Rb3#
            • 3.Ra3#
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...exf6
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...gxf6
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...h3
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...e5
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...g5
        • 2.Rd2+
          • 2...cxd2
            • 3.Rb3#
      • 1...exd6!
    • 1.Sg4?
      • threat
        • 2.Se5#
      • 1...c2
        • 2.Se5+
          • 2...Kc3
            • 3.Bd2#
            • 3.Rxc2#
      • 1...Kc4!
    • 1.Sd7?
      • threat
        • 2.Se5#
      • 1...c2
        • 2.Sc5+
          • 2...Kc3
            • 3.Rxc2#
          • 2...Kc4
            • 3.Rxc2#
        • 2.Se5+
          • 2...Kc3
            • 3.Bd2#
            • 3.Rxc2#
      • 1...Kc4!
    • 1.Bc2+?
      • 1...Kxe2
        • 2.Sxd4#
      • 1...Kc4!
    • 1.Bb3?
      • threat
        • 2.Rd1+
          • 2...Kxe2
            • 3.Sxd4#
      • 1...Kxe2
        • 2.Sxd4+
          • 2...Kd3
            • 3.Rd1#
      • 1...c2
        • 2.Rd2+
          • 2...Kc3
            • 3.Sxd5#
      • 1...e5!
    • 1.Rb4?
      • threat
        • 2.Rxd4#
      • 1...c2
        • 2.Rxc2
          • threat
            • 3.Rb3#
            • 3.Rxd4#
        • 2.Rd2+
          • 2...Kc3
            • 3.Sxd5#
      • 1...e5!
  • Keys
    • 1.Ba4!
      • threat
        • 2.Bb5#
      • 1...Kxe2
        • 2.Bb5+
          • 2...Kf3
            • 3.Rf1#
          • 2...d3
            • 3.Sd4#
      • 1...Kc4
        • 2.Bb5+
          • 2...Kc5
            • 3.Sd7#
      • 1...c2
        • 2.Bb5+
          • 2...Kc3
            • 3.Sxd5#
            • 3.Bd2#

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).