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Problem Display

PID: 143121 (8/3k4/7P/p7/P2K4/3R4/7Q/8 w - - 0 1)

Peralta, Louis

Phenix, 1988

8/3k4/7P/p7/P2K4/3R4/7Q/8

#3

5 + 2

SOLUTION

SOUND
Tries
- 1.Re3?
  - 1...Kc6
    - 2.Re7
      - 2...Kb6
        3.Qd6#
  - 1...Kc8
    - 2.Re7
      - 2...Kd8
        3.Qc7#
  - 1...Kd8!
Keys
- 1.Rg3!
  - threat
    - 2.Rg7+
      - 2...Kc6
        3.Qc7#
      - 2...Ke6
        3.Qe5#
      - 2...Kc8
        3.Qc7#
      - 2...Kd8
        3.Qb8#
      - 2...Ke8
        3.Qb8#
  - 1...Kc6
    - 2.Rg7
      - 2...Kb6
        3.Qd6#
  - 1...Kd6
    - 2.Rg7+
      - 2...Kc6
        3.Qc7#
      - 2...Ke6
        3.Qe5#
  - 1...Ke6
    - 2.Rg7
      - threat
        3.Qe5#
      - 2...Kf5
        3.Qe5#
      - 2...Kf6
        3.Qe5#
  - 1...Kc7
    - 2.Rg7+
      - 2...Kb6
        3.Qd6#
      - 2...Kc6
        3.Qc7#
      - 2...Kc8
        3.Qc7#
      - 2...Kd8
        3.Qb8#
  - 1...Ke7
    - 2.Rg7+
      - 2...Ke6
        3.Qe5#
      - 2...Kf6
        3.Qe5#
      - 2...Kd8
        3.Qb8#
      - 2...Ke8
        3.Qb8#
      - 2...Kf8
        3.Qb8#
  - 1...Kc8
    - 2.Rg7
      - 2...Kd8
        3.Qb8#
  - 1...Kd8
    - 2.Rg7
      - threat
        3.Qb8#
      - 2...Kc8
        3.Qc7#
      - 2...Ke8
        3.Qb8#
  - 1...Ke8
    - 2.Rg7
      - threat
        3.Qb8#
      - 2...Kd8
        3.Qb8#
      - 2...Kf8
        3.Qb8#

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