Problem Display
PID: 216793 (8/2n5/3p1p2/P1b5/Q1P1B3/2k3P1/P3K3/8 w - - 0 1)

Ehrenstein, Moritz

Budapesti Sakkszemle, 1890

8/2n5/3p1p2/P1b5/Q1P1B3/2k3P1/P3K3/8

#4

7 + 5


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qb3+
          • 2...Kd4
            • 3.Qb2#
            • 3.Qe3#
      • 1...Kb2
        • 2.Qb3+
          • 2...Ka1
            • 3.Be4
              • threat
                • 4.Qb1#
          • 2...Kc1
            • 3.Kd3
              • threat
                • 4.Qc2#
            • 3.Be4
              • threat
                • 4.Qc2#
                • 4.Qb1#
                • 4.Qc3#
      • 1...Kd4
        • 2.Qd1+
          • 2...Ke5
            • 3.Qh1
              • threat
                • 4.Qe4#
              • 3...Kd4
                • 4.Qa1#
              • 3...Kf5
                • 4.Qh5#
              • 3...Sxd5
                • 4.Qxd5#
              • 3...f5
                • 4.Qh8#
      • 1...Sxd5
        • 2.Qb3+
          • 2...Kd4
            • 3.Qd3+
              • 3...Ke5
                • 4.Qxd5#
      • 1...Bg1
        • 2.Qb3+
          • 2...Kd4
            • 3.Qb2+
              • 3...Kc5
                • 4.Qb6#
        • 2.Qa3+
          • 2...Kd4
            • 3.Qb2+
              • 3...Kc5
                • 4.Qb6#
      • 1...Bf2
        • 2.Qb3+
          • 2...Kd4
            • 3.Qb2+
              • 3...Kc5
                • 4.Qb6#
        • 2.Qa3+
          • 2...Kd4
            • 3.Qb2+
              • 3...Kc5
                • 4.Qb6#

FEATURES


NOT CLASSIFIED


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).