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Problem Display

PID: 199369 (5K2/n6N/RP1p4/1PkPp3/1p1pP3/3B4/1P6/3N4 w - - 0 1)

Froberg, Johan Hilding Laurentius

Suomen Shakki, 1988

5K2/n6N/RP1p4/1PkPp3/1p1pP3/3B4/1P6/3N4

#3

10 + 6

SOLUTION

SOUND
Tries
- 1.b7?
  - threat
    - 2.b3
      - 2...Sxb5
        3.Rc6#
      - 2...Sc6
        3.Rxc6#
      - 2...Sc8
        3.Rc6#
        3.bxc8Q#
        3.bxc8R#
    - 2.b8Q
      - threat
        3.Qxd6#
        3.Qxa7#
        3.Qb6#
      - 2...Sc8
        3.Rc6#
        3.Qc7#
        3.Qxc8#
    - 2.b8B
      - threat
        3.Bxd6#
        3.Bxa7#
      - 2...Sxb5
        3.Rc6#
      - 2...Sc6
        3.Rxc6#
      - 2...Sc8
        3.Rc6#
  - 1...Sxb5
    - 2.Rc6#
  - 1...Sc6
    - 2.Rxc6#
  - 1...Sc8
    - 2.Rc6#
    - 2.bxc8Q#
    - 2.bxc8R#
  - 1...b3!
Keys
- 1.b3!
  - threat
    - 2.Sb2
      - threat
        3.Sa4#
    - 2.Sg5
      - threat
        3.Se6#
    - 2.Sf6
      - threat
        3.Sd7#
    - 2.b7
      - 2...Sxb5
        3.Rc6#
      - 2...Sc6
        3.Rxc6#
      - 2...Sc8
        3.Rc6#
        3.bxc8Q#
        3.bxc8R#
  - 1...Sxb5
    - 2.Sf6
      - threat
        3.Sd7#
  - 1...Sc6
    - 2.Sb2
      - threat
        3.Sa4#
  - 1...Sc8
    - 2.Sg5
      - threat
        3.Se6#

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