MESON Chess Problem Database

Problem Display
PID: 223773 (4R3/1k3P2/3K4/8/8/8/8/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1975

4R3/1k3P2/3K4/8/8/8/8/8

#3

3 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ka7
      • 2.Kc6
        • 2...Ka6
          • 3.Ra8#
  • Tries
    • 1.Re7+?
      • 1...Ka6
        • 2.Kc5
          • 2...Ka5
            • 3.Ra7#
      • 1...Kb6!
    • 1.f8Q?
      • threat
        • 2.Ra8
          • 2...Kb6
            • 3.Qb8#
      • 1...Ka6
        • 2.Kc6
          • threat
            • 3.Ra8#
            • 3.Qa3#
          • 2...Ka5
            • 3.Ra8#
            • 3.Qa3#
          • 2...Ka7
            • 3.Ra8#
            • 3.Qa3#
      • 1...Ka7
        • 2.Kc6
          • 2...Ka6
            • 3.Ra8#
            • 3.Qa3#
        • 2.Ra8+
          • 2...Kb6
            • 3.Qb8#
          • 2...Kb7
            • 3.Qb8#
      • 1...Kb6!
  • Keys
    • 1.Kc5!
      • 1...Ka6
        • 2.Re7
          • 2...Ka5
            • 3.Ra7#
      • 1...Ka7
        • 2.Kc6
          • 2...Ka6
            • 3.Ra8#
      • 1...Kc7
        • 2.Re7+
          • 2...Kb8
            • 3.f8Q#
            • 3.f8R#
          • 2...Kc8
            • 3.f8Q#
            • 3.f8R#
          • 2...Kd8
            • 3.f8Q#

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