MESON Chess Problem Database

Problem Display
PID: 20015 (1K6/7p/3Q4/1k6/8/8/2P5/8 w - - 0 1)

Kohnlein, Friedrich

Sammler, 1913

1K6/7p/3Q4/1k6/8/8/2P5/8

#4

3 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Qd4!
      • threat
        • 2.Kb7
          • threat
            • 3.c3
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qb4#
          • 2...Ka5
            • 3.c3
              • threat
                • 4.Qb4#
              • 3...Kb5
                • 4.Qb4#
      • 1...Ka5
        • 2.Kb7
          • threat
            • 3.c3
              • threat
                • 4.Qb4#
              • 3...Kb5
                • 4.Qb4#
          • 2...Kb5
            • 3.c3
              • threat
                • 4.Qb4#
              • 3...Ka5
                • 4.Qb4#
      • 1...Ka6
        • 2.Qc5
          • threat
            • 3.Kc7
              • threat
                • 4.Qb6#
            • 3.c4
              • threat
                • 4.Qa7#
                • 4.Qb5#
          • 2...h5
            • 3.Kc7
              • 3...h4
                • 4.Qb6#
            • 3.c4
              • 3...h4
                • 4.Qa7#
                • 4.Qb5#
          • 2...h6
            • 3.Kc7
              • 3...h5
                • 4.Qb6#
            • 3.c4
              • 3...h5
                • 4.Qa7#
                • 4.Qb5#
        • 2.Qe5
          • threat
            • 3.c4
              • threat
                • 4.Qb5#
              • 3...Kb6
                • 4.Qb5#
          • 2...Kb6
            • 3.c4
              • threat
                • 4.Qb5#
              • 3...Ka6
                • 4.Qb5#
              • 3...Kc6
                • 4.Qc7#
        • 2.Qb4
          • threat
            • 3.Kc7
              • threat
                • 4.Qa4#
                • 4.Qb6#
              • 3...Ka7
                • 4.Qa3#
                • 4.Qa5#
                • 4.Qa4#
                • 4.Qb7#
            • 3.c4
              • threat
                • 4.Qb5#
        • 2.Qd5
          • threat
            • 3.c4
              • threat
                • 4.Qb5#
              • 3...Kb6
                • 4.Qb5#
          • 2...Kb6
            • 3.c4
              • threat
                • 4.Qb5#
              • 3...Ka6
                • 4.Qb5#
      • 1...Kc6
        • 2.c4
          • threat
            • 3.Qd5+
              • 3...Kb6
                • 4.Qb5#

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