Problem Display
PID: 151173 (2n3Q1/1B3p2/NPp1p3/6pK/5rp1/4p3/1PPk1Pb1/2R1R3 w - - 0 1)

Ott, Hans

1st Prize, Brunner MT (Schweizerische Schachzeitung), 1948

2n3Q1/1B3p2/NPp1p3/6pK/5rp1/4p3/1PPk1Pb1/2R1R3

#5

10 + 10


15257 Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) 1968
15158 Hans Ott Schachprobleme (Kummer) 1986

SOLUTION


  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Rcd1#
      • 1...Rxb4
        • 2.Qd8+
          • 2...Bd5
            • 3.Qxg5
              • threat
                • 4.Qxe3#
              • 3...Rb3
                • 4.cxb3
                  • threat
                    • 5.Qxe3#
                  • 4...Kd3
                    • 5.Qxe3#
              • 3...Re4
                • 4.Ba6
                  • threat
                    • 5.Red1#
                  • 4...Rc4
                    • 5.Qxe3#
                  • 4...Bc4
                    • 5.Qa5#
              • 3...Rf4
                • 4.Qxf4
                  • threat
                    • 5.Qxe3#
                    • 5.Qb4#
                    • 5.Qd4#
      • 1...e2
        • 2.Qxg5
          • threat
            • 3.Qxf4#
          • 2...e5
            • 3.Qxe5
              • threat
                • 4.Qc3#
                • 4.Qxf4#
                • 4.Qxe2#
                • 4.Qe3#
              • 3...Rf5+
                • 4.Qxf5
                  • threat
                    • 5.Qd3#
                    • 5.Qf4#
                    • 5.Qg5#

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).