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Problem Display

PID: 64873 (8/5R2/8/3k3P/P7/7P/1Q3P2/6K1 w - - 0 1)

van Rey, Loek

Probleemblad, 2005

8/5R2/8/3k3P/P7/7P/1Q3P2/6K1

#3

7 + 1

SOLUTION

SOUND
Sets
- 1...Kc4
  - 2.Rd7
    - 2...Kc5
      - 3.Qb5#
- 1...Kc6
  - 2.Qe5
    - 2...Kb6
      - 3.Qb5#
Tries
- 1.Qe5+?
  - 1...Kc4
    - 2.Rf3
      - 2...Kb4
        3.Qb5#
  - 1...Kc6
    - 2.Kf1
      - 2...Kb6
        3.Qb5#
    - 2.Kh1
      - 2...Kb6
        3.Qb5#
    - 2.Kg2
      - 2...Kb6
        3.Qb5#
    - 2.Kh2
      - 2...Kb6
        3.Qb5#
    - 2.Ra7
      - 2...Kb6
        3.Qc7#
    - 2.Re7
      - 2...Kb6
        3.Qb5#
    - 2.Rg7
      - 2...Kb6
        3.Qb5#
    - 2.Rh7
      - 2...Kb6
        3.Qb5#
    - 2.f3
      - 2...Kb6
        3.Qb5#
    - 2.f4
      - 2...Kb6
        3.Qb5#
    - 2.h4
      - 2...Kb6
        3.Qb5#
    - 2.h6
      - 2...Kb6
        3.Qb5#
  - 1...Kxe5!
Keys
- 1.f4!
  - 1...Kc4
    - 2.Rd7
      - 2...Kc5
        3.Qb5#
  - 1...Ke4
    - 2.Qd2
      - 2...Kf3
        3.Qd3#
  - 1...Kc5
    - 2.Rc7+
      - 2...Kd5
        3.Qe5#
      - 2...Kd6
        3.Qe5#
  - 1...Kc6
    - 2.Qe5
      - 2...Kb6
        3.Qb5#
  - 1...Kd6
    - 2.Qb5
      - 2...Ke6
        3.Qd7#
  - 1...Ke6
    - 2.Rc7
      - threat
        3.Qe5#
      - 2...Kd5
        3.Qe5#
      - 2...Kf5
        3.Qe5#
      - 2...Kd6
        3.Qe5#

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