Problem Display
PID: 217582 (1bB1KR2/6pb/2N5/1Np2Pp1/r3k3/1Pr1p2P/4P2P/qn3R2 w - - 0 1)

Popandopulo, Avenir

3rd Prize, 64 Shakhmatnoe obozrenie, 1970

1bB1KR2/6pb/2N5/1Np2Pp1/r3k3/1Pr1p2P/4P2P/qn3R2

#5

11 + 11


6490 yacpdb 2020
  • SOUND
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sxb8+
          • 2...Ke5
            • 3.Sd7#
      • 1...Bg6+
        • 2.fxg6
          • threat
            • 3.Scd4+
              • 3...Ke5
                • 4.R1f5#
                • 4.R8f5#
            • 3.Sd8+
              • 3...Ke5
                • 4.R1f5#
                • 4.R8f5#
          • 2...Ra6
            • 3.Scd4+
              • 3...Rc6
                • 4.Bxc6+
                  • 4...Ke5
                    • 5.R1f5#
                    • 5.R8f5#
            • 3.Sd8+
              • 3...Rc6
                • 4.Bxc6+
                  • 4...Ke5
                    • 5.R1f5#
                    • 5.R8f5#
          • 2...Ra7
            • 3.Scxa7+
              • 3...Ke5
                • 4.R1f5+
                  • 4...Ke6
                    • 5.Bd5#
                    • 5.Bc8#
                • 4.R8f5+
                  • 4...Ke6
                    • 5.Bd5#
                    • 5.Bc8#
      • 1...Rd3
        • 2.Scd4+
          • 2...Ke5
            • 3.Sf3+
              • 3...Kf4
                • 4.Se1+
                  • 4...Ke5
                    • 5.Sxd3#
      • 1...Rd4
        • 2.Scxd4+
          • 2...Ke5
            • 3.Sf3+
              • 3...Kf4
                • 4.Rg1
                  • threat
                    • 5.Rg4#
                  • 4...Bg6+
                    • 5.fxg6#
                  • 4...g4
                    • 5.Rxg4#
            • 3.Sc6+
              • 3...Ke4
                • 4.Sxb8+
                  • 4...Ke5
                    • 5.Sd7#
              • 3...Kd5
                • 4.Sxb8+
                  • 4...Ke5
                    • 5.Sd7#
      • 1...Ra7
        • 2.Scxa7+
          • 2...Ke5
            • 3.Sc6+
              • 3...Ke4
                • 4.Sxb8+
                  • 4...Ke5
                    • 5.Sd7#
              • 3...Kd5
                • 4.Sxb8+
                  • 4...Ke5
                    • 5.Sd7#
      • 1...Ra8
        • 2.Sd8+
          • 2...Ke5
            • 3.Sf7+
              • 3...Kf6
                • 4.Sh6+
                  • 4...Ke5
                    • 5.Sg4#
      • 1...Bg8
        • 2.Se7+
          • 2...Bd5
            • 3.Bxd5+
              • 3...Ke5
                • 4.Bc6
                  • threat
                    • 5.Sg6#
                  • 4...g6
                    • 5.Sxg6#


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).