Problem Display
PID: 192405 (8/6p1/3p2Q1/3K4/1PN1B1p1/p4p2/1R6/k1b5 w - - 0 1)

Rietveld, Johannes Jacob

1st Prize, Algemeen Handelsblad, 1917

8/6p1/3p2Q1/3K4/1PN1B1p1/p4p2/1R6/k1b5

#3

6 + 7


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Bd2
      • 2.Rxd2
        • threat
          • 3.Qxg7#
    • 1...a2
      • 2.Qxg7
        • threat
          • 3.Rb1#
        • 2...Bxb2
          • 3.Qxb2#
  • Tries
    • 1.Bb1?
      • threat
        • 2.Ra2#
      • 1...axb2
        • 2.Sa5
          • threat
            • 3.Sb3#
      • 1...Bxb2!
    • 1.Bc2?
      • threat
        • 2.Rb1+
          • 2...Ka2
            • 3.Bb3#
      • 1...axb2
        • 2.Qxg7
          • threat
            • 3.Qa7#
          • 2...Ka2
            • 3.Qa7#
          • 2...Be3
            • 3.Qxb2#
      • 1...a2
        • 2.Qxg7
          • threat
            • 3.Rb1#
          • 2...Bxb2
            • 3.Qxb2#
      • 1...Bxb2!
    • 1.Bxf3?
      • threat
        • 2.Qb1#
      • 1...Bxb2
        • 2.Sd2
          • threat
            • 3.Qb1#
          • 2...Ka2
            • 3.Qb1#
          • 2...a2
            • 3.Sb3#
      • 1...a2
        • 2.Qc2
          • threat
            • 3.Rxa2#
            • 3.Qxc1#
          • 2...Bxb2
            • 3.Qxb2#
      • 1...axb2!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Bb1
          • threat
            • 3.Ra2#
          • 2...Kxb2
            • 3.Qxg7#
          • 2...Bxb2
            • 3.Sb3#
          • 2...axb2
            • 3.Sb3#
          • 2...a2
            • 3.Rxa2#
      • 1...Kxb2
        • 2.Qxg7+
          • 2...Ka2
            • 3.Bb1#
      • 1...Bxb2
        • 2.Bxf3
          • threat
            • 3.Qb1#
          • 2...Ka2
            • 3.Qb1#
          • 2...a2
            • 3.Sb3#
      • 1...Bxd2
        • 2.Rxd2
          • threat
            • 3.Qxg7#
      • 1...axb2
        • 2.Qxg7
          • threat
            • 3.Qa7#
          • 2...Ka2
            • 3.Qa7#
      • 1...a2
        • 2.Qxg7
          • threat
            • 3.Sb3#
            • 3.Rb1#

FEATURES


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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).