Problem Display
PID: 215383 (1n2q1r1/2Bb3Q/p3p1P1/PpkpN3/1N1R3p/1P1p3r/3P2nP/K7 w - - 0 1)

Dubbe, Friedrich

Oesterreichische Lesehalle, 1882

1n2q1r1/2Bb3Q/p3p1P1/PpkpN3/1N1R3p/1P1p3r/3P2nP/K7

#4

11 + 13


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Re4!
      • threat
        • 2.Sbxd3+
          • 2...Rxd3
            • 3.b4#
      • 1...dxe4
        • 2.Qh5
          • threat
            • 3.Sexd3+
              • 3...Kd4
                • 4.Be5#
                • 4.Bb6#
                • 4.Qc5#
                • 4.Qe5#
          • 2...Kxb4
            • 3.Bd6+
              • 3...Kxb3
                • 4.Qd1#
              • 3...Kxa5
                • 4.Sc4#
          • 2...Qe7
            • 3.Sexd3+
              • 3...Kd4
                • 4.Be5#
                • 4.Qe5#
          • 2...Qc8
            • 3.Sexd3+
              • 3...Kd4
                • 4.Be5#
                • 4.Qc5#
                • 4.Qe5#
            • 3.Sec6+
              • 3...e5
                • 4.Qxe5#
          • 2...Qd8
            • 3.Sexd3+
              • 3...Kd4
                • 4.Be5#
                • 4.Qc5#
                • 4.Qe5#
          • 2...Qf8
            • 3.Sexd3+
              • 3...Kd4
                • 4.Be5#
                • 4.Qe5#
          • 2...Sc6
            • 3.Sexd3+
              • 3...Kd4
                • 4.Bb6#
                • 4.Qc5#
          • 2...e3
            • 3.Sexd3+
              • 3...Kd4
                • 4.Qe5#
      • 1...d4
        • 2.Qh5
          • threat
            • 3.Sexd3#
          • 2...Kxb4
            • 3.Bd6+
              • 3...Kxb3
                • 4.Qd1#
              • 3...Kxa5
                • 4.Sc4#
      • 1...Se1
        • 2.Sbxd3+
          • 2...Sxd3
            • 3.b4+
              • 3...Sxb4
                • 4.d4#
      • 1...Sf4
        • 2.Sbxd3+
          • 2...Sxd3
            • 3.b4+
              • 3...Sxb4
                • 4.d4#

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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).