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Problem Display

PID: 199790 (8/8/8/Q7/4Kp2/5pN1/4N1k1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Sachova skladba, 2013

8/8/8/Q7/4Kp2/5pN1/4N1k1/8

#3

4 + 3

SOLUTION

SOUND
Sets
- 1...Kh2
  - 2.Kxf3
    - threat
      - 3.Qh5#
    - 2...Kh3
      - 3.Qh5#
- 1...Kh3
  - 2.Kxf3
    - threat
      - 3.Qh5#
    - 2...Kh2
      - 3.Qh5#
    - 2...Kh4
      - 3.Qh5#
Tries
- 1.Kxf4?
  - 1...Kh2
    - 2.Kxf3
      - 2...Kh3
        3.Qh5#
  - 1...Kh3
    - 2.Kxf3
      - threat
        3.Qh5#
      - 2...Kh2
        3.Qh5#
      - 2...Kh4
        3.Qh5#
  - 1...fxe2
    - 2.Qe1
      - 2...Kh2
        3.Qh1#
      - 2...Kh3
        3.Qh1#
  - 1...f2
    - 2.Qd5+
      - 2...Kh2
        3.Qh1#
      - 2...Kh3
        3.Qh1#
    - 2.Qa8+
      - 2...Kh2
        3.Qh1#
      - 2...Kh3
        3.Qh1#
  - 1...Kf2!
- 1.Qa1?
  - threat
    - 2.Qf1+
      - 2...Kh2
        3.Qh1#
    - 2.Qh1+
      - 2...Kf2
        3.Qf1#
        3.Qg1#
  - 1...Kh3
    - 2.Qh1+
      - 2...Kg4
        3.Qh5#
  - 1...fxg3
    - 2.Qg1+
      - 2...Kh3
        3.Qxg3#
  - 1...fxe2!
Keys
- 1.Qe1!
  - threat
    - 2.Sxf4+
      - 2...Kh2
        3.Qf2#
    - 2.Qf1+
      - 2...Kh2
        3.Qh1#
    - 2.Qh1+
      - 2...Kf2
        3.Qf1#
        3.Qg1#
  - 1...Kh3
    - 2.Qh1+
      - 2...Kg4
        3.Qh5#
  - 1...fxe2
    - 2.Kxf4
      - 2...Kh2
        3.Qh1#
      - 2...Kh3
        3.Qh1#
  - 1...fxg3
    - 2.Qg1+
      - 2...Kh3
        3.Qxg3#

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