MESON Chess Problem Database

Problem Display
PID: 134119 (kN6/nrpnP1K1/R1B5/7R/8/8/8/8 w - - 0 1)

Shinkman, William Anthony

The Theory of Pawn Promotion, 1912

kN6/nrpnP1K1/R1B5/7R/8/8/8/8

#3

6 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Rha5?
      • threat
        • 2.Rxa7+
          • 2...Kxb8
            • 3.Ra8#
            • 3.e8Q#
            • 3.e8R#
        • 2.e8Q
          • threat
            • 3.Sxd7#
            • 3.Rxa7#
        • 2.e8R
          • threat
            • 3.Sxd7#
            • 3.Rxa7#
      • 1...Kxb8
        • 2.e8Q+
          • 2...Sc8
            • 3.Ra8#
        • 2.e8R+
          • 2...Sc8
            • 3.Ra8#
      • 1...Sc5
        • 2.Rxa7+
          • 2...Kxb8
            • 3.Ra8#
            • 3.e8Q#
            • 3.e8R#
      • 1...Se5
        • 2.Rxa7+
          • 2...Kxb8
            • 3.Ra8#
            • 3.e8Q#
            • 3.e8R#
      • 1...Sf6
        • 2.Rxa7+
          • 2...Kxb8
            • 3.Ra8#
      • 1...Sf8
        • 2.Rxa7+
          • 2...Kxb8
            • 3.Ra8#
            • 3.exf8Q#
            • 3.exf8R#
            • 3.e8Q#
            • 3.e8R#
      • 1...Sb6!
    • 1.Rxa7+?
      • 1...Kxb8
        • 2.Rxb7+
          • 2...Ka8
            • 3.Ra5#
          • 2...Kc8
            • 3.e8Q#
            • 3.e8R#
      • 1...Kxa7!
  • Keys
    • 1.Rh8!
      • threat
        • 2.Sxd7#
      • 1...Sxb8
        • 2.e8S
          • threat
            • 3.Sxc7#
      • 1...Sf8
        • 2.exf8S
          • 2...Kxb8
            • 3.Sd7#
      • 1...Sb6
        • 2.Sd7+
          • 2...Sc8
            • 3.Rxc8#
      • 1...Sf6
        • 2.Sd7+
          • 2...Se8+
            • 3.Rxe8#
          • 2...Sg8
            • 3.Rxg8#
            • 3.e8Q#
            • 3.e8R#

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