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Problem Display

PID: 250290 (8/8/2p1P3/2N5/3k4/1K6/4P3/2Q5 w - - 0 1)

Nikitin, V?

Uralski Problemist, 2008

8/8/2p1P3/2N5/3k4/1K6/4P3/2Q5

#3

5 + 2

SOLUTION

SOUND
Tries
- 1.Sd3?
  - threat
    - 2.Qf4+
      - 2...Kd5
        3.Qe5#
    - 2.Qg5
      - threat
        3.Qe5#
      - 2...Ke4
        3.Qe5#
    - 2.Qc5+
      - 2...Ke4
        3.Qe5#
  - 1...Ke4
    - 2.Qf4+
      - 2...Kd5
        3.Qe5#
    - 2.Qg5
      - threat
        3.Qe5#
      - 2...Kd4
        3.Qe5#
  - 1...c5
    - 2.Qxc5+
      - 2...Ke4
        3.Qe5#
  - 1...Kd5!
- 1.Sd7?
  - threat
    - 2.Qf4+
      - 2...Kd5
        3.Qe5#
    - 2.Qg5
      - threat
        3.Qe5#
      - 2...Ke4
        3.Qe5#
    - 2.Qc3+
      - 2...Ke4
        3.Qe5#
      - 2...Kd5
        3.Qe5#
    - 2.Qc5+
      - 2...Ke4
        3.Qe5#
  - 1...Ke4
    - 2.Qg5
      - threat
        3.Qe5#
      - 2...Kd4
        3.Qe5#
  - 1...c5
    - 2.Qxc5+
      - 2...Ke4
        3.Qe5#
  - 1...Kd5!
Keys
- 1.e7!
  - 1...Kd5
    - 2.Qg5+
      - 2...Kd4
        3.e3#
      - 2...Kd6
        3.e8S#
  - 1...Ke5
    - 2.Qg5+
      - 2...Kd4
        3.e3#
      - 2...Kd6
        3.e8S#

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