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Problem Display

PID: 79442 (2Q5/2p5/4N2K/3k4/8/8/8/2R5 w - - 0 1)

Bacmeister, Kurt

stern, 1972

2Q5/2p5/4N2K/3k4/8/8/8/2R5

#3

4 + 2

SOLUTION

SOUND
Tries
- 1.Sf4+?
  - 1...Kd4
    - 2.Qe6
      - threat
        3.Rc4#
  - 1...Ke5
    - 2.Rc4
      - threat
        3.Qe6#
      - 2...Kd6
        3.Qe6#
        3.Qxc7#
      - 2...Kf6
        3.Qe6#
  - 1...Ke4!
- 1.Sg5?
  - threat
    - 2.Qf5+
      - 2...Kd4
        3.Qe4#
      - 2...Kd6
        3.Qe6#
    - 2.Qe6+
      - 2...Kd4
        3.Qe4#
  - 1...Ke5
    - 2.Rc4
      - threat
        3.Qe6#
      - 2...Kd5
        3.Qe6#
      - 2...Kd6
        3.Qe6#
      - 2...Kf6
        3.Qe6#
  - 1...c6
    - 2.Qe6+
      - 2...Kd4
        3.Qe4#
  - 1...Kd4!
Keys
- 1.Sc5!
  - threat
    - 2.Qe6+
      - 2...Kd4
        3.Rc4#
        3.Qe4#
  - 1...Kd4
    - 2.Qe6
      - 2...c6
        3.Rc4#
        3.Qe4#
  - 1...Ke5
    - 2.Rc4
      - threat
        3.Qe6#
      - 2...Kd5
        3.Qe6#
      - 2...Kd6
        3.Qe6#
      - 2...Kf6
        3.Qe6#
  - 1...Kc6
    - 2.Rc4
      - 2...Kb5
        3.Qa6#
      - 2...Kd5
        3.Qe6#
      - 2...Kb6
        3.Qa6#
      - 2...Kd6
        3.Qe6#

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