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Problem Display

PID: 42690 (bK6/8/pk5N/p2p4/p2N4/B7/8/8 w - - 0 1)

Macleod, Norman Alasdair

Problem Observer, 1972

bK6/8/pk5N/p2p4/p2N4/B7/8/8

#3

4 + 6

SOLUTION

SOUND
Tries
- 1.Sg4?
  - 1...Bc6
    - 2.Sf6
      - 2...Bb5
        3.Sxd5#
      - 2...Bb7
        3.Sd7#
      - 2...Bd7
        3.Sxd5#
        3.Sxd7#
      - 2...Ba8
        3.Sd7#
      - 2...Be8
        3.Sxd5#
  - 1...Bb7!
- 1.Shf5?
  - 1...Bb7
    - 2.Sd6
      - 2...Bc6
        3.Sc8#
      - 2...Ba8
        3.Sc8#
      - 2...Bc8
        3.Sxc8#
    - 2.Se7
      - 2...Bc6
        3.Sc8#
      - 2...Ba8
        3.Sc8#
      - 2...Bc8
        3.Sxd5#
        3.Sxc8#
  - 1...Bc6!
- 1.Sf7?
  - 1...Bb7
    - 2.Sd6
      - 2...Bc6
        3.Sc8#
      - 2...Ba8
        3.Sc8#
      - 2...Bc8
        3.Sxc8#
  - 1...Bc6!
Keys
- 1.Sg8!
  - 1...Bc6
    - 2.Sf6
      - 2...Bb5
        3.Sxd5#
      - 2...Bb7
        3.Sd7#
      - 2...Bd7
        3.Sxd5#
        3.Sxd7#
      - 2...Ba8
        3.Sd7#
      - 2...Be8
        3.Sxd5#
  - 1...Bb7
    - 2.Se7
      - 2...Bc6
        3.Sc8#
      - 2...Ba8
        3.Sc8#
      - 2...Bc8
        3.Sxd5#
        3.Sxc8#

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