MESON Chess Problem Database

Problem Display
PID: 176719 (k7/rr6/2QN4/P7/K7/8/8/8 w - - 0 1)

Speckmann, Werner

Schach-Echo, 1956

k7/rr6/2QN4/P7/K7/8/8/8

#3

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kb8
      • 2.Qc8#
    • 1...Rxa5+
      • 2.Kxa5
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kb8
          • 3.Qxb7#
    • 1...Ra6
      • 2.Qxb7#
  • Tries
    • 1.Ka3?
      • 1...Kb8
        • 2.Qc8#
      • 1...Ra6
        • 2.Qxb7#
      • 1...Rxa5+!
    • 1.Qh1?
      • 1...Rxa5+
        • 2.Kxa5
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8!
    • 1.Qg2?
      • 1...Rxa5+
        • 2.Kxa5
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8!
    • 1.Qf3?
      • 1...Rxa5+
        • 2.Kxa5
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8!
    • 1.Qe4?
      • 1...Rxa5+
        • 2.Kxa5
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8!
    • 1.Qd5?
      • 1...Rxa5+
        • 2.Kxa5
          • threat
            • 3.Qxb7#
          • 2...Ka7
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Kb8!
    • 1.a6?
      • 1...Kb8
        • 2.Qc8#
      • 1...Rxa6+!
  • Keys
    • 1.Sb5!
      • 1...Rxa5+
        • 2.Kxa5
          • 2...Kb8
            • 3.Qe8#
      • 1...Ra6
        • 2.Qc8+
          • 2...Rb8
            • 3.Qxa6#

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