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Problem Display

PID: 65772 (5K2/8/5k1p/2N2N1P/2R2rB1/4B2P/5P2/8 w - - 0 1)

Lockett, Andrew M

Chess Life, 1968

5K2/8/5k1p/2N2N1P/2R2rB1/4B2P/5P2/8

#3

9 + 3

SOLUTION

SOUND
Sets
- 1...Kg5
  - 2.Se4#
- 1...Rxf2
  - 2.Bd4+
    - 2...Kg5
      - 3.Se6#
- 1...Rf3
  - 2.Bd4+
    - 2...Kg5
      - 3.Se6#
- 1...Rd4
  - 2.Bxd4+
    - 2...Kg5
      - 3.Se6#
Tries
- 1.Sd7+?
  - 1...Kg5
    - 2.Bxf4#
  - 1...Ke6!
- 1.Sg7?
  - 1...Kg5+
    - 2.Bxf4+
      - 2...Kh4
        3.Sf5#
      - 2...Kf6
        3.Se4#
        3.Sd7#
        3.Se8#
  - 1...Rd4
    - 2.Rxd4
      - 2...Ke5
        3.Sd7#
  - 1...Ke5+!
- 1.Bd4+?
  - 1...Kg5
    - 2.Se6#
  - 1...Rxd4!
- 1.Re4?
  - threat
    - 2.Sd7+
      - 2...Kg5
        3.Bxf4#
    - 2.Bd4+
      - 2...Kg5
        3.Se6#
    - 2.Re6+
      - 2...Kg5
        3.Se4#
        3.Rg6#
  - 1...Kg5
    - 2.Se6+
      - 2...Kf6
        3.Bd4#
    - 2.Bxf4+
      - 2...Kf6
        3.Sd7#
        3.Re6#
  - 1...Rxg4
    - 2.Sd7+
      - 2...Kxf5
        3.Re5#
  - 1...Rxe4!
- 1.Rxf4?
  - threat
    - 2.Bd4+
      - 2...Kg5
        3.Se6#
  - 1...Kg5
    - 2.Se4#
  - 1...Ke5!
Keys
- 1.Sd4!
  - 1...Ke5+
    - 2.Bxf4+
      - 2...Kxf4
        3.Sf3#
      - 2...Kd5
        3.Be6#
      - 2...Kf6
        3.Se4#
        3.Sd7#
  - 1...Kg5+
    - 2.Bxf4+
      - 2...Kxf4
        3.Sf3#
      - 2...Kh4
        3.Sf3#
        3.Sf5#
      - 2...Kf6
        3.Se4#
        3.Sd7#
  - 1...Rxd4
    - 2.Rxd4
      - 2...Ke5
        3.Sd7#

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