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Problem Display

PID: 44542 (8/8/8/3k4/P5P1/1P3P2/1P3P2/2Q1K3 w - - 0 1)

Shinkman, William Anthony

Maryland Chess Review, 1874

8/8/8/3k4/P5P1/1P3P2/1P3P2/2Q1K3

#3

8 + 1

SOLUTION

SOUND
Sets
- 1...Kd4
  - 2.Qg5
    - 2...Kd3
      - 3.Qd2#
- 1...Ke5
  - 2.Qc6
    - 2...Kd4
      - 3.Qd6#
    - 2...Kf4
      - 3.Qf6#
Tries
- 1.Qc4+?
  - 1...Ke5
    - 2.Qc6
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
  - 1...Kd6!
- 1.Qc6+?
  - 1...Ke5
    - 2.Kd1
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
    - 2.Kf1
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
    - 2.Kd2
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
    - 2.Ke2
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
    - 2.b4
      - 2...Kd4
        3.Qe4#
      - 2...Kf4
        3.Qf6#
    - 2.a5
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
    - 2.g5
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#
      - 2...Kf5
        3.Qf6#
  - 1...Kxc6!
- 1.Qc7?
  - 1...Kd4
    - 2.Qd6#
  - 1...Ke6!
Keys
- 1.Qh6!
  - 1...Kc5
    - 2.Qe6
      - 2...Kb4
        3.Qb6#
      - 2...Kd4
        3.Qd6#
  - 1...Ke5
    - 2.Qc6
      - 2...Kd4
        3.Qd6#
      - 2...Kf4
        3.Qf6#

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