Problem Display
PID: 139845 (2N5/N2pp3/k3p3/7r/1QP2r2/P7/K1P2b2/3RR2b w - - 0 1)

Bachmann, Karlheinz

2nd Prize, Die Schwalbe, 1988

2N5/N2pp3/k3p3/7r/1QP2r2/P7/K1P2b2/3RR2b

#4

9 + 8


5402 German Solving Championship 2011
  • SOUND
  • Keys
    • 1.Re4!
      • threat
        • 2.c5
          • threat
            • 3.Qb5#
            • 3.Qb6#
      • 1...Rxe4
        • 2.Rd4
          • threat
            • 3.Qb6#
          • 2...Bxd4
            • 3.c5
              • threat
                • 4.Qb5#
                • 4.Qb6#
      • 1...Bxe4
        • 2.Rd5
          • threat
            • 3.Qb5#
          • 2...Rxd5
            • 3.c5
              • threat
                • 4.Qb5#
                • 4.Qb6#
      • 1...Bxa7
        • 2.Rxd7
          • threat
            • 3.Rxa7#
          • 2...Bg1
            • 3.c5
              • threat
                • 4.Ra7#
                • 4.Qa4#
                • 4.Qb6#
          • 2...Bf2
            • 3.c5
              • threat
                • 4.Ra7#
                • 4.Qa4#
                • 4.Qb6#
          • 2...Be3
            • 3.Rxe3
              • threat
                • 4.Ra7#
                • 4.Qb6#
            • 3.c5
              • threat
                • 4.Ra7#
                • 4.Qa4#
                • 4.Qb6#
          • 2...Bd4
            • 3.Rexd4
              • threat
                • 4.Ra7#
                • 4.Qb6#
            • 3.Rdxd4
              • threat
                • 4.Qb6#
              • 3...Rb5
                • 4.Qxb5#
            • 3.c5
              • threat
                • 4.Ra7#
                • 4.Qa4#
                • 4.Qb6#
      • 1...Rf3
        • 2.Re3
          • threat
            • 3.Qb6#
          • 2...Bxe3
            • 3.c5
              • threat
                • 4.Qb5#
                • 4.Qb6#
      • 1...Ra5
        • 2.Rb1
          • threat
            • 3.Qb7#
          • 2...Bxe4
            • 3.Qb6+
              • 3...Bxb6
                • 4.Rxb6#
          • 2...Rd5
            • 3.cxd5
              • threat
                • 4.Qa4#
                • 4.Qb5#
              • 3...Bb6
                • 4.Qxb6#
            • 3.c5
              • threat
                • 4.Qa4#
                • 4.Qb5#
                • 4.Qb6#
          • 2...Re5
            • 3.Rxe5
              • threat
                • 4.Ra5#
                • 4.Qa5#
                • 4.Qa4#
                • 4.Qb5#
              • 3...Bb6
                • 4.Qxb6#
            • 3.c5
              • threat
                • 4.Qa4#
                • 4.Qb5#
                • 4.Qb6#
          • 2...Raf5
            • 3.c5
              • threat
                • 4.Qa4#
                • 4.Qb5#
                • 4.Qb6#
          • 2...Rg5
            • 3.c5
              • threat
                • 4.Qa4#
                • 4.Qb5#
                • 4.Qb6#
          • 2...Rh5
            • 3.c5
              • threat
                • 4.Qa4#
                • 4.Qb5#
                • 4.Qb6#


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).