Problem Display
PID: 263486 (1n2b2n/1Pp1p3/p1p1k1p1/Pp4p1/PBN1B1N1/8/8/1K1R1R2 w - - 0 1)

Seilberger, Johann Joseph Petrus Adrianus

1st Prize, Tijdschrift vd KNSB, 1959

1n2b2n/1Pp1p3/p1p1k1p1/Pp4p1/PBN1B1N1/8/8/1K1R1R2

#3

10 + 11


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Bd7
      • 2.Bd5+
        • 2...cxd5
          • 3.Rde1#
    • 1...Bf7
      • 2.Bf5+
        • 2...gxf5
          • 3.Rfe1#
  • Tries
    • 1.Bd5+?
      • 1...Kd7
        • 2.Bf7#
        • 2.Bg8#
      • 1...cxd5!
    • 1.Rde1?
      • threat
        • 2.Bxc6#
      • 1...Sd7
        • 2.Bxc6+
          • 2...Se5
            • 3.Rxe5#
      • 1...Sf7
        • 2.Bxc6+
          • 2...Se5
            • 3.Rxe5#
      • 1...Kd7!
    • 1.Rfe1?
      • threat
        • 2.Bxg6#
      • 1...Sd7
        • 2.Bxg6+
          • 2...Se5
            • 3.Rxe5#
      • 1...Sf7
        • 2.Bxg6+
          • 2...Se5
            • 3.Rxe5#
      • 1...Kf7!
  • Keys
    • 1.Sce5!
      • 1...bxa4
        • 2.Bd3
          • threat
            • 3.Bc4#
          • 2...Kd5
            • 3.Bf5#
      • 1...Sd7
        • 2.Sxc6
          • threat
            • 3.Sd4#
            • 3.Sd8#
            • 3.Bd5#
      • 1...Bd7
        • 2.Sd3
          • threat
            • 3.Sc5#
          • 2...c5
            • 3.Sxc5#
      • 1...Bf7
        • 2.Sf3
          • threat
            • 3.Sxg5#
      • 1...Sf7
        • 2.Sxg6
          • threat
            • 3.Sf8#
            • 3.Bf5#
      • 1...c5
        • 2.Bd5+
          • 2...Kd6
            • 3.Ba2#
            • 3.Bb3#
            • 3.Bc4#
            • 3.Bf7#
            • 3.Bg8#

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).