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Problem Display

PID: 191248 (8/8/B7/8/2p5/2kp4/Q2N2K1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Probleemblad, 2017

8/8/B7/8/2p5/2kp4/Q2N2K1/8

#3

4 + 3

SOLUTION

SOUND
Sets
- 1...Kb4
  - 2.Qxc4+
    - 2...Ka3
      - 3.Qb3#
    - 2...Ka5
      - 3.Qb5#
Tries
- 1.Kf1?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kg1?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kh1?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kf2?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kh2?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kg3?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Kh3?
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4!
- 1.Sb1+?
  - 1...Kb4
    - 2.Qa3#
  - 1...Kd4!
Keys
- 1.Kf3!
  - 1...Kb4
    - 2.Qxc4+
      - 2...Ka3
        3.Qb3#
      - 2...Ka5
        3.Qb5#
  - 1...Kd4
    - 2.Qa5
      - 2...c3
        3.Sb3#

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