MESON Chess Problem Database

Problem Display
PID: 216750 (6bK/N4p1n/5p1Q/k1B1PB2/1p1P4/bP6/P7/3rr3 w - - 0 1)

Jespersen, Karl Lorenz Jesper

Vasarnapi Ujsag, 1889

6bK/N4p1n/5p1Q/k1B1PB2/1p1P4/bP6/P7/3rr3

#4

9 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc4
          • threat
            • 3.Sc6#
            • 3.Qb5#
      • 1...Ka6
        • 2.Bc8+
          • 2...Ka5
            • 3.Bxb4+
              • 3...Kxb4
                • 4.Qc5#
              • 3...Kb6
                • 4.Qc5#
              • 3...Bxb4
                • 4.Qc7#
            • 3.Bb6+
              • 3...Kxb6
                • 4.Qc5#
            • 3.Qc4
              • threat
                • 4.Sc6#
                • 4.Qb5#
                • 4.Qa6#
      • 1...Rxc1
        • 2.Bd3
          • threat
            • 3.Sc6#
          • 2...Rxc5
            • 3.dxc5
              • threat
                • 4.Sc6#
          • 2...Rc4
            • 3.Bxc4
              • threat
                • 4.Sc6#
      • 1...Rxd4
        • 2.Bd3
          • threat
            • 3.Sc6#
          • 2...Rxd3
            • 3.Qc4
              • threat
                • 4.Sc6#
                • 4.Qb5#
          • 2...Rc4
            • 3.Bxc4
              • threat
                • 4.Sc6#
            • 3.Qxc4
              • threat
                • 4.Sc6#
                • 4.Qb5#
                • 4.Qa6#
          • 2...Rd6
            • 3.exd6
              • threat
                • 4.Sc6#
      • 1...Rxe5
        • 2.Qxa3+
          • 2...bxa3
            • 3.b4+
              • 3...Ka4
                • 4.Bc2#
                • 4.Bd7#
              • 3...Ka6
                • 4.Bc8#
        • 2.Qc4
          • threat
            • 3.Sc6#
            • 3.Qb5#
          • 2...Rxc5
            • 3.Qxc5+
              • 3...Ka6
                • 4.Bc8#
            • 3.dxc5
              • threat
                • 4.Sc6#
                • 4.Qb5#
      • 1...Bxc1
        • 2.a4
          • threat
            • 3.Sc6+
              • 3...Ka6
                • 4.Bc8#
            • 3.Bc8
              • threat
                • 4.Sc6#
          • 2...Ka6
            • 3.Bc8+
              • 3...Ka5
                • 4.Sc6#
          • 2...bxa4 ep
            • 3.b4+
              • 3...Ka4
                • 4.Bc2#
              • 3...Ka6
                • 4.Bc8#
      • 1...Rh1
        • 2.Qxa3+
          • 2...bxa3
            • 3.b4+
              • 3...Ka4
                • 4.Bc2#
                • 4.Bd7#
              • 3...Ka6
                • 4.Bc8#
      • 1...Sg5
        • 2.Qxa3+
          • 2...bxa3
            • 3.b4+
              • 3...Ka4
                • 4.Bc2#
                • 4.Bd7#
              • 3...Ka6
                • 4.Bc8#
      • 1...Sf8
        • 2.Qxa3+
          • 2...bxa3
            • 3.b4+
              • 3...Ka4
                • 4.Bc2#
              • 3...Ka6
                • 4.Bc8#

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