Problem Display
PID: 230030 (n4b2/7r/1pp2P2/p5P1/rp2N3/1p2RP1k/P5N1/5B1K w - - 0 1)

Ulehla, Johann Viktor

1st Place, Match: Berlin - Vienna, 1933

n4b2/7r/1pp2P2/p5P1/rp2N3/1p2RP1k/P5N1/5B1K

#4

9 + 10


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Ba6!
      • threat
        • 2.Bc8+
          • 2...Rd7
            • 3.Bxd7#
      • 1...Rb7
        • 2.Bxb7
          • threat
            • 3.Bc8#
          • 2...Sc7
            • 3.Bc8+
              • 3...Se6
                • 4.Bxe6#
      • 1...Rc7
        • 2.Bc4
          • threat
            • 3.Be6#
          • 2...Re7
            • 3.Be2
              • threat
                • 4.f4#
              • 3...Rxe4
                • 4.fxe4#
      • 1...Rd7
        • 2.Bc8
          • threat
            • 3.Bxd7#
          • 2...Sc7
            • 3.Bxd7+
              • 3...Se6
                • 4.Bxe6#
      • 1...Sc7
        • 2.Bc8+
          • 2...Rd7
            • 3.Bxd7+
              • 3...Se6
                • 4.Bxe6#

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).