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Problem Display

PID: 69361 (8/4K3/3Rp3/4k3/4n3/4Q3/8/8 w - - 0 1)

Benko, Pal Charles

Chess Life & Review, 1970

8/4K3/3Rp3/4k3/4n3/4Q3/8/8

#3

3 + 3

SOLUTION

SOUND
Tries
- 1.Rc6?
  - threat
    - 2.Rc5#
  - 1...Kd5
    - 2.Rc7
      - 2...Ke5
        3.Rc5#
      - 2...Sd2
        3.Rc5#
      - 2...Sf2
        3.Rc5#
      - 2...Sc3
        3.Rc5#
      - 2...Sg3
        3.Rc5#
      - 2...Sc5
        3.Rxc5#
      - 2...Sg5
        3.Rc5#
      - 2...Sd6
        3.Rc5#
      - 2...Sf6
        3.Rc5#
      - 2...e5
        3.Qd3#
    - 2.Rc8
      - 2...Ke5
        3.Rc5#
      - 2...Sd2
        3.Rc5#
      - 2...Sf2
        3.Rc5#
      - 2...Sc3
        3.Rc5#
      - 2...Sg3
        3.Rc5#
      - 2...Sc5
        3.Rxc5#
      - 2...Sg5
        3.Rc5#
      - 2...Sd6
        3.Rc5#
      - 2...Sf6
        3.Rc5#
      - 2...e5
        3.Qd3#
  - 1...Kf5!
Keys
- 1.Rd8!
  - 1...Kf5
    - 2.Rg8
      - 2...Ke5
        3.Rg5#
      - 2...Sd2
        3.Rg5#
      - 2...Sf2
        3.Rg5#
      - 2...Sc3
        3.Rg5#
      - 2...Sg3
        3.Rg5#
      - 2...Sc5
        3.Rg5#
      - 2...Sg5
        3.Rxg5#
      - 2...Sd6
        3.Rg5#
      - 2...Sf6
        3.Rg5#
      - 2...e5
        3.Qf3#

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