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Problem Display

PID: 200549 (8/8/7p/5p1R/5k2/5N2/7K/7Q w - - 0 1)

Atamanova, Margarita

Kozhakin, Vladimir Vladimirovich

StrateGems, 2019

8/8/7p/5p1R/5k2/5N2/7K/7Q

#3

4 + 3

SOLUTION

SOUND
Sets
- 1...Kg4
  - 2.Rh4#
Tries
- 1.Kg2?
  - threat
    - 2.Qe1
      - 2...Kg4
        3.Rh4#
        3.Qh4#
    - 2.Qg1
      - threat
        3.Rh4#
        3.Qd4#
      - 2...Ke4
        3.Qd4#
      - 2...Kg4
        3.Rh4#
  - 1...Ke3
    - 2.Qd1
      - 2...Ke4
        3.Qd4#
      - 2...Kf4
        3.Qd4#
      - 2...f4
        3.Re5#
  - 1...Ke4!
- 1.Qe1?
  - threat
    - 2.Kg2
      - 2...Kg4
        3.Rh4#
        3.Qh4#
    - 2.Kh3
      - 2...Kxf3
        3.Rxf5#
    - 2.Sg1
      - 2...Kg4
        3.Qh4#
    - 2.Sd2
      - 2...Kg4
        3.Qh4#
    - 2.Sd4
      - 2...Kg4
        3.Qh4#
    - 2.Qe2
      - 2...Kg4
        3.Rh4#
  - 1...Kxf3
    - 2.Rxf5+
      - 2...Kg4
        3.Qe4#
  - 1...Kg4!
Keys
- 1.Qd1!
  - threat
    - 2.Qe2
      - 2...Kg4
        3.Rh4#
    - 2.Qd3
      - 2...Kg4
        3.Rh4#
        3.Qxf5#
  - 1...Ke3
    - 2.Kg2
      - 2...Ke4
        3.Qd4#
      - 2...Kf4
        3.Qd4#
      - 2...f4
        3.Re5#
  - 1...Ke4
    - 2.Qb3
      - 2...Kf4
        3.Rh4#
      - 2...f4
        3.Re5#

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