Problem Display
PID: 48598 (N7/1p6/1p2p3/4k3/2B1N3/5pP1/1P3p2/1Q3K2 w - - 0 1)

Valle, Giovanni Batista

2nd Prize Set, La Nuova Rivista, 1880

N7/1p6/1p2p3/4k3/2B1N3/5pP1/1P3p2/1Q3K2

#4

7 + 6


15 British Chess Magazine 1881
5689 The Chess Monthly (Hoffer) 1881
15 British Chess Magazine 1905

SOLUTION


  • SOUND
  • Keys
    • 1.Qc1!
      • threat
        • 2.Bd3
          • 2...Kd4
            • 3.Qc3+
              • 3...Ke3
                • 4.Bb1#
                • 4.Bc2#
              • 3...Kd5
                • 4.Sxb6#
                • 4.Sc7#
          • 2...Kd5
            • 3.Qc3
              • threat
                • 4.Sxb6#
                • 4.Sc7#
        • 2.Qd2
          • threat
            • 3.Qd6+
              • 3...Kxe4
                • 4.Qf4#
              • 3...Kf5
                • 4.Qxe6#
          • 2...Kf5
            • 3.Qg5+
              • 3...Kxe4
                • 4.Qf4#
      • 1...Kd4
        • 2.Bd5
          • threat
            • 3.Sf6
              • threat
                • 4.Qc3#
              • 3...Kd3
                • 4.Qc3#
              • 3...Ke5
                • 4.Qf4#
          • 2...Kxd5
            • 3.Sf6+
              • 3...Kd4
                • 4.Qc3#
              • 3...Ke5
                • 4.Qf4#
              • 3...Kd6
                • 4.Qc7#
          • 2...Ke5
            • 3.Bxb7
              • 3...Kd4
                • 4.Qc3#
              • 3...Kf5
                • 4.Qg5#
              • 3...b5
                • 4.Qc5#
          • 2...exd5
            • 3.Sg5
              • threat
                • 4.Qc3#
              • 3...Kd3
                • 4.Qc3#
              • 3...Ke5
                • 4.Qf4#
          • 2...b5
            • 3.Qc5+
              • 3...Kd3
                • 4.Qc3#
              • 3...Ke5
                • 4.Bc6#
                • 4.Bxb7#
      • 1...b5
        • 2.Qf4+
          • 2...Kd4
            • 3.Qd6+
              • 3...Ke3
                • 4.Qd3#
              • 3...Kxc4
                • 4.Sd2#
              • 3...Kxe4
                • 4.Qf4#

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