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Problem Display

PID: 252362 (B2K4/8/2R5/kp6/1p6/8/8/4B3 w - - 0 1)

Zimmer, Eligiusz

Schweizerische Schachzeitung, 2004

B2K4/8/2R5/kp6/1p6/8/8/4B3

#3

4 + 3

SOLUTION

SOUND
Tries
- 1.Rc1?
  - threat
    - 2.Ra1+
      - 2...Kb6
        3.Bf2#
  - 1...Ka6
    - 2.Kc7
      - threat
        3.Ra1#
      - 2...Ka5
        3.Ra1#
      - 2...Ka7
        3.Ra1#
    - 2.Bf2
      - threat
        3.Ra1#
      - 2...Ka5
        3.Ra1#
    - 2.Ra1+
      - 2...Kb6
        3.Bf2#
  - 1...Kb6
    - 2.Bf2+
      - 2...Ka5
        3.Ra1#
      - 2...Ka6
        3.Ra1#
  - 1...Ka4!
- 1.Rc7?
  - threat
    - 2.Ra7+
      - 2...Kb6
        3.Bf2#
  - 1...Ka6
    - 2.Bf2
      - threat
        3.Ra7#
      - 2...Ka5
        3.Ra7#
  - 1...Kb6
    - 2.Bf2+
      - 2...Ka5
        3.Ra7#
      - 2...Ka6
        3.Ra7#
  - 1...Ka4!
Keys
- 1.Rc2!
  - threat
    - 2.Ra2+
      - 2...Kb6
        3.Bf2#
  - 1...Ka4
    - 2.Ra2+
      - 2...Kb3
        3.Bd5#
  - 1...Ka6
    - 2.Ra2+
      - 2...Kb6
        3.Bf2#
  - 1...Kb6
    - 2.Bf2+
      - 2...Ka5
        3.Ra2#
      - 2...Ka6
        3.Ra2#

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