MESON Chess Problem Database

Problem Display
PID: 176888 (8/8/8/8/b7/3Q4/3P4/KNk5 w - - 0 1)

Laue, Hartmut

Schach-Echo, 1975

8/8/8/8/b7/3Q4/3P4/KNk5

#3

4 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qf1
        • 2...Kc2
          • 3.Qc4#
      • 2.Qa3+
        • 2...Kc2
          • 3.Qc3#
    • 1...Bc2
      • 2.Qc4
        • 2...Kd1
          • 3.Qf1#
  • Tries
    • 1.Qf1+?
      • 1...Bd1
        • 2.Ka2
          • 2...Kc2
            • 3.Qc4#
        • 2.d4
          • 2...Kc2
            • 3.Qc4#
      • 1...Kc2!
    • 1.Qc4+?
      • 1...Bc2
        • 2.Ka2
          • 2...Kd1
            • 3.Qf1#
        • 2.d4
          • 2...Kd1
            • 3.Qf1#
      • 1...Kd1!
    • 1.Qc3+?
      • 1...Bc2
        • 2.Qc4
          • 2...Kd1
            • 3.Qf1#
        • 2.d3
          • 2...Kd1
            • 3.Qd2#
        • 2.d4
          • 2...Kd1
            • 3.Qd2#
      • 1...Kd1!
  • Keys
    • 1.Qe2!
      • threat
        • 2.d3
          • threat
            • 3.Qd2#
        • 2.d4
          • threat
            • 3.Qd2#
      • 1...Kc2
        • 2.d3+
          • 2...Kc1
            • 3.Qd2#
          • 2...Kb3
            • 3.Qb2#
      • 1...Bd1
        • 2.Qf1
          • 2...Kc2
            • 3.Qc4#
      • 1...Bc2
        • 2.Qc4
          • 2...Kd1
            • 3.Qf1#
      • 1...Bb5
        • 2.d3
          • threat
            • 3.Qd2#

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