Problem Display
PID: 151251 (B2bN3/7b/6p1/8/2P3p1/2pP2p1/2N3R1/5k1K w - - 0 1)

Ott, Hans

Schweizerische Schachzeitung, 1962

B2bN3/7b/6p1/8/2P3p1/2pP2p1/2N3R1/5k1K

#5

7 + 7


15158 Hans Ott Schachprobleme (Kummer) 1986

SOLUTION


  • SOUND
  • Keys
    • 1.Be4!
      • threat
        • 2.d4
          • threat
            • 3.Bd3#
          • 2...g5
            • 3.Bxh7
              • threat
                • 4.Bd3#
      • 1...Bg8
        • 2.Sd6
          • threat
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...Bxc4
                • 4.Sxc4
                  • threat
                    • 5.S4e3#
                    • 5.Bd3#
          • 2...Bg5
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...Bxc4
                • 4.Sxc4
                  • threat
                    • 5.Bd3#
          • 2...Bd5
            • 3.cxd5
              • threat
                • 4.d4
                  • threat
                    • 5.Bd3#
          • 2...Be6
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...Bxc4
                • 4.Sxc4
                  • threat
                    • 5.S4e3#
                    • 5.Bd3#
              • 3...Bf5
                • 4.Sxf5
                  • threat
                    • 5.Sfe3#
                    • 5.Sxg3#
                    • 5.Bd3#
          • 2...Bf7
            • 3.Sxf7
              • threat
                • 4.d4
                  • threat
                    • 5.Bd3#
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...Bxc4
                • 4.Sxc4
                  • threat
                    • 5.S4e3#
                    • 5.Bd3#
          • 2...Bh7
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...g5
                • 4.Bxh7
                  • threat
                    • 5.Bd3#
      • 1...Bh4
        • 2.Sf6
          • threat
            • 3.Sxg4
              • threat
                • 4.Sge3#
              • 3...Bg5
                • 4.Bf3
                  • threat
                    • 5.Be2#
                    • 5.Rg1#
                • 4.d4
                  • threat
                    • 5.Bd3#
            • 3.Sd5
              • threat
                • 4.Sde3#
              • 3...Bg5
                • 4.d4
                  • threat
                    • 5.Bd3#
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...g5
                • 4.Sxg4
                  • threat
                    • 5.Sge3#
                • 4.Sd5
                  • threat
                    • 5.Sde3#
          • 2...Bxf6
            • 3.d4
              • threat
                • 4.Bd3#
              • 3...g5
                • 4.Bxh7
                  • threat
                    • 5.Bd3#
          • 2...Bg8
            • 3.Sxg4
              • threat
                • 4.Sge3#
              • 3...Bg5
                • 4.Bf3
                  • threat
                    • 5.Be2#
                    • 5.Rg1#

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).