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Problem Display

PID: 25082 (5K2/2BB4/8/3kp1N1/1pp3N1/1p6/P1P5/8 w - - 0 1)

Fossum, Andre Ferdinand

3rd Prize, Sachove umeni (Ceskoslovensky sach), 1963

5K2/2BB4/8/3kp1N1/1pp3N1/1p6/P1P5/8

#3

7 + 5

3747	FIDE Album (1962-1964)	1968

SOLUTION

SOUND
Sets
- 1...Kc5
  - 2.Se6+
    - 2...Kd5
      - 3.Sf6#
- 1...c3
  - 2.Se3+
    - 2...Kd4
      - 3.Bb6#
    - 2...Kc5
      - 3.Se6#
- 1...e4
  - 2.Se6
    - threat
      - 3.Se3#
      - 3.Sf6#
Tries
- 1.Se3+?
  - 1...Kc5
    - 2.Se6#
  - 1...Kd4!
- 1.Sf6+?
  - 1...Kc5
    - 2.Se6#
  - 1...Kd4!
- 1.Se6?
  - threat
    - 2.Sf6#
  - 1...c3
    - 2.Sf6+
      - 2...Kc4
        3.axb3#
  - 1...Ke4!
- 1.c3?
  - threat
    - 2.Se3+
      - 2...Kc5
        3.Se4#
        3.Se6#
    - 2.Sf6+
      - 2...Kc5
        3.Sge4#
        3.Se6#
  - 1...Kc5
    - 2.Se4+
      - 2...Kd5
        3.Sgf6#
    - 2.Se6+
      - 2...Kd5
        3.Sf6#
  - 1...e4
    - 2.Se3+
      - 2...Kc5
        3.Sxe4#
        3.Se6#
    - 2.Sf6+
      - 2...Kc5
        3.Sgxe4#
        3.Se6#
    - 2.Se6
      - threat
        3.Se3#
        3.Sf6#
  - 1...bxc3!
Keys
- 1.Bb6!
  - threat
    - 2.Sf6+
      - 2...Kd6
        3.Sge4#
        3.Sf7#
  - 1...Kd6
    - 2.Sf6
      - threat
        3.Sge4#
        3.Sf7#
  - 1...c3
    - 2.Sf6+
      - 2...Kc4
        3.axb3#
      - 2...Kd6
        3.Sge4#
        3.Sf7#
  - 1...e4
    - 2.Sf7
      - threat
        3.Se3#
        3.Sf6#

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