Problem Display
PID: 132746 (R7/1k1PPPP1/Rb4BB/2ppq3/8/3P1K2/8/8 w - - 0 1)

Shinkman, William Anthony

Brentano's Chess Monthly, 1881

R7/1k1PPPP1/Rb4BB/2ppq3/8/3P1K2/8/8

#4

10 + 5


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Keys
    • 1.d8S+!
      • 1...Kc7
        • 2.e8S+
          • 2...Kd7
            • 3.f8S+
              • 3...Ke7
                • 4.Sc6#
                • 4.g8S#
          • 2...Qxe8
            • 3.fxe8Q
              • threat
                • 4.Bf4#
                • 4.Qc6#
                • 4.Qe7#
              • 3...Kd6
                • 4.Bf4#
      • 1...Bxd8
        • 2.exd8Q
          • threat
            • 3.Rb6#
            • 3.R8a7#
            • 3.Qb6#
            • 3.Qc8#
          • 2...Qg3+
            • 3.Kxg3
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
          • 2...Qf4+
            • 3.Kxf4
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
            • 3.Bxf4
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qc7#
                • 4.Qe7#
                • 4.Qxd5#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
          • 2...Qf6+
            • 3.Rxf6
              • threat
                • 4.Rb6#
                • 4.Qb8#
                • 4.Qc8#
            • 3.Qxf6
              • threat
                • 4.R6a7#
                • 4.Qe7#
                • 4.Qb6#
                • 4.Qc6#
              • 3...Kc7
                • 4.R6a7#
                • 4.Qe7#
                • 4.Qc6#
          • 2...Qe2+
            • 3.Kxe2
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
          • 2...Qe3+
            • 3.Bxe3
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
          • 2...Qe4+
            • 3.dxe4
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
              • 3...dxe4+
                • 4.Bxe4#
          • 2...Qf5+
            • 3.Bxf5
              • threat
                • 4.Bc8#
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#
          • 2...Qh5+
            • 3.Bxh5
              • threat
                • 4.Rb6#
                • 4.R8a7#
                • 4.Qb6#
                • 4.Qe7#
                • 4.Qd7#
                • 4.Qb8#
                • 4.Qc8#

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