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Problem Display

PID: 155728 (8/8/8/8/4pQ2/4P2p/K2pP1k1/3R4 w - - 0 1)

Hansen, Erik

Problemskak, 2008

8/8/8/8/4pQ2/4P2p/K2pP1k1/3R4

#3

5 + 4

SOLUTION

SOUND
Sets
- 1...h2
  - 2.Rh1
    - threat
      - 3.Qxh2#
    - 2...Kxh1
      - 3.Qf1#
    - 2...Kh3
      - 3.Rxh2#
Tries
- 1.Rf1?
  - threat
    - 2.Qf2#
  - 1...h2
    - 2.Rh1
      - threat
        3.Qxh2#
      - 2...Kxh1
        3.Qf1#
      - 2...Kh3
        3.Rxh2#
    - 2.Rf2+
      - 2...Kg1
        3.Qxh2#
      - 2...Kh1
        3.Qxh2#
      - 2...Kh3
        3.Rxh2#
  - 1...d1S!
- 1.Rh1?
  - threat
    - 2.Qh2#
  - 1...h2
    - 2.Qxh2#
  - 1...Kxh1!
- 1.Qg5+?
  - 1...Kh2
    - 2.Qg1#
  - 1...Kf2!
- 1.Qf1+?
  - 1...Kh2
    - 2.Qg1#
    - 2.Qf2#
  - 1...Kg3!
- 1.Qf3+?
  - 1...Kh2
    - 2.Rh1#
    - 2.Qf2#
  - 1...exf3!
- 1.Qg4+?
  - 1...Kh2
    - 2.Qg1#
  - 1...Kf2!
- 1.Qh4?
  - 1...Kh2
    - 2.Qf2#
  - 1...h2!
- 1.Qf5?
  - 1...Kg3
    - 2.Rg1+
      - 2...Kh2
        3.Qf2#
      - 2...Kh4
        3.Rg4#
        3.Qg4#
        3.Qh7#
        3.Qg5#
  - 1...h2!
- 1.Qf6?
  - 1...Kg3
    - 2.Rg1+
      - 2...Kh2
        3.Qf2#
  - 1...h2!
- 1.Qf7?
  - 1...Kg3
    - 2.Rg1+
      - 2...Kh2
        3.Qf2#
      - 2...Kh4
        3.Qh7#
  - 1...h2!
- 1.Qf8?
  - 1...Kg3
    - 2.Rg1+
      - 2...Kh2
        3.Qf2#
      - 2...Kh4
        3.Qh6#
        3.Qh8#
  - 1...h2!
Keys
- 1.Ka3!
  - 1...h2
    - 2.Rh1
      - threat
        3.Qxh2#
      - 2...Kxh1
        3.Qf1#
      - 2...Kh3
        3.Rxh2#

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