MESON Chess Problem Database

Problem Display
PID: 175348 (6br/B5p1/6P1/P2kNB2/2Np3p/K4P2/1P2P3/7n w - - 0 1)

Petersen, Christian F

Danske Skakopgaver, 1902

6br/B5p1/6P1/P2kNB2/2Np3p/K4P2/1P2P3/7n

#4

10 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Bd7!
      • threat
        • 2.Bb8
          • threat
            • 3.Sb6+
              • 3...Kc5
                • 4.Sd3#
                • 4.b4#
          • 2...Kc5
            • 3.b4+
              • 3...Kd5
                • 4.Sb6#
            • 3.Bc6
              • threat
                • 4.Bd6#
                • 4.Ba7#
                • 4.b4#
          • 2...d3
            • 3.e4+
              • 3...Kd4
                • 4.Ba7#
              • 3...Kc5
                • 4.Ba7#
          • 2...Sf2
            • 3.Sb6+
              • 3...Kc5
                • 4.b4#
        • 2.b3
          • threat
            • 3.Sd3
              • threat
                • 4.Sb4#
                • 4.Sf4#
            • 3.Sc6
              • threat
                • 4.Sb4#
                • 4.Se7#
      • 1...Rh5
        • 2.Bb8
          • threat
            • 3.Sb6+
              • 3...Kc5
                • 4.Sd3#
                • 4.b4#
          • 2...Kc5
            • 3.b4+
              • 3...Kd5
                • 4.Sb6#
          • 2...Rxe5
            • 3.Sb6+
              • 3...Kc5
                • 4.b4#
          • 2...d3
            • 3.e4+
              • 3...Kd4
                • 4.Ba7#
              • 3...Kc5
                • 4.Ba7#
          • 2...Sf2
            • 3.Sb6+
              • 3...Kc5
                • 4.b4#
      • 1...Rh6
        • 2.Kb3
          • threat
            • 3.Sd3
              • threat
                • 4.Sb4#
                • 4.Sf4#
            • 3.Sc6
              • threat
                • 4.Sb4#
                • 4.Se7#
          • 2...Rxg6
            • 3.Sxg6
              • threat
                • 4.Sf4#
                • 4.Se7#
        • 2.b3
          • threat
            • 3.Sd3
              • threat
                • 4.Sb4#
                • 4.Sf4#
            • 3.Sc6
              • threat
                • 4.Sb4#
                • 4.Se7#
          • 2...Rxg6
            • 3.Sxg6
              • threat
                • 4.Sf4#
                • 4.Se7#
      • 1...Bf7
        • 2.Sxf7
          • threat
            • 3.Sb6+
              • 3...Kc5
                • 4.b4#
            • 3.e4+
              • 3...Kxc4
                • 4.Se5#
              • 3...dxe4 ep
                • 4.Sxe3#
          • 2...Kxc4
            • 3.Bc6
              • threat
                • 4.Se5#
                • 4.Sd6#
      • 1...Bh7
        • 2.Sf7
          • threat
            • 3.Sb6+
              • 3...Kc5
                • 4.b4#
            • 3.e4+
              • 3...Kxc4
                • 4.Se5#
              • 3...dxe4 ep
                • 4.Sxe3#
          • 2...Kxc4
            • 3.Bc6
              • threat
                • 4.Se5#
                • 4.Sd6#
      • 1...Sf2
        • 2.b3
          • threat
            • 3.Sc6
              • threat
                • 4.Sb4#
                • 4.Se7#
          • 2...Sd3
            • 3.Sxd3
              • threat
                • 4.Sb4#
                • 4.Sf4#
            • 3.Sc6
              • threat
                • 4.Se7#

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