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Problem Display

PID: 166210 (8/8/BKPPk3/6p1/5R2/2P1NnN1/3p4/6n1 w - - 0 1)

Lauritzen, Oskar Georg

Stella Polaris, 1966

8/8/BKPPk3/6p1/5R2/2P1NnN1/3p4/6n1

#3

8 + 5

SOLUTION

SOUND
Keys
- 1.Sg4!
  - threat
    - 2.Kc5
      - threat
        3.Bc4#
        3.Bc8#
        3.Rf6#
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Kd5
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Kxd6
    - 2.Sf5+
      - 2...Kd5
        3.Bc4#
      - 2...Ke6
        3.Bc4#
  - 1...gxf4
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...d1Q
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
      - 2...Qd5
        3.Rf6#
  - 1...d1R
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
      - 2...Rd5
        3.Rf6#
  - 1...Sd4
    - 2.Rf6+
      - 2...Kd5
        3.c4#
  - 1...Se2
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Sh3
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Se1
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Sh2
    - 2.Bc4+
      - 2...Kxd6
        3.Sf5#
  - 1...Sh4
    - 2.Kc5
      - threat
        3.Bc4#
        3.Bc8#
        3.Rf6#
  - 1...Se5
    - 2.Rf6+
      - 2...Kd5
        3.Se3#

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