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Problem Display

PID: 248768 (8/8/8/8/7K/5Q2/4P2k/8 w - - 0 1)

Orlik, Peter

Deutsche Schachzeitung, 1983

8/8/8/8/7K/5Q2/4P2k/8

#3

3 + 1

6490	yacpdb	2021

SOLUTION

SOUND
Tries
- 1.Qb3?
  - 1...Kg1
    - 2.Kg3
      - threat
        3.Qd1#
        3.Qb1#
      - 2...Kf1
        3.Qd1#
      - 2...Kh1
        3.Qd1#
        3.Qb1#
  - 1...Kh1
    - 2.Kg3
      - 2...Kg1
        3.Qd1#
        3.Qb1#
  - 1...Kg2!
- 1.Qd3?
  - 1...Kg1
    - 2.Kg3
      - threat
        3.Qb1#
        3.Qd1#
      - 2...Kf1
        3.Qd1#
      - 2...Kh1
        3.Qb1#
        3.Qd1#
  - 1...Kh1
    - 2.Kg3
      - 2...Kg1
        3.Qb1#
        3.Qd1#
  - 1...Kg2!
- 1.Qf4+?
  - 1...Kg1
    - 2.Kg3
      - 2...Kh1
        3.Qc1#
        3.Qf1#
    - 2.Kh3
      - 2...Kh1
        3.Qc1#
        3.Qh2#
        3.Qf1#
  - 1...Kh1
    - 2.Kg3
      - 2...Kg1
        3.Qc1#
  - 1...Kg2!
- 1.Qf5?
  - 1...Kg1
    - 2.Kg3
      - 2...Kh1
        3.Qb1#
        3.Qf1#
    - 2.Kh3
      - 2...Kh1
        3.Qb1#
        3.Qf1#
  - 1...Kh1
    - 2.Kg3
      - 2...Kg1
        3.Qb1#
  - 1...Kg2!
- 1.Qf6?
  - 1...Kg1
    - 2.Kg3
      - 2...Kh1
        3.Qa1#
        3.Qf1#
    - 2.Kh3
      - 2...Kh1
        3.Qa1#
        3.Qf1#
  - 1...Kh1
    - 2.Kg3
      - 2...Kg1
        3.Qa1#
  - 1...Kg2!
Keys
- 1.Qd5!
  - 1...Kg1
    - 2.Kg3
      - 2...Kf1
        3.Qd1#

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