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Problem Display

PID: 79556 (2NB4/3R4/k1P5/8/8/K7/8/8 w - - 0 1)

Dehler, Otto Georg Edgar

Akademische Monatshefte fur Schach, 1909

2NB4/3R4/k1P5/8/8/K7/8/8

#3

5 + 1

14986	White-Hume Collection	2013

SOLUTION

SOUND
Keys
- 1.c7!
  - threat
    - 2.Sd6
      - threat
        3.c8Q#
        3.c8B#
      - 2...Ka5
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
      - 2...Ka7
        3.c8Q#
    - 2.Sa7
      - threat
        3.c8Q#
        3.c8B#
      - 2...Ka5
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
      - 2...Kxa7
        3.c8Q#
      - 2...Kb7
        3.c8Q#
  - 1...Ka5
    - 2.Sd6
      - threat
        3.c8Q#
        3.c8B#
      - 2...Ka6
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
    - 2.Sa7
      - threat
        3.c8Q#
        3.c8B#
      - 2...Ka6
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
  - 1...Kb5
    - 2.Sa7+
      - 2...Kc4
        3.c8Q#
        3.c8R#
      - 2...Ka5
        3.c8Q#
        3.c8B#
      - 2...Kc5
        3.c8Q#
        3.c8R#
      - 2...Ka6
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
  - 1...Kb7
    - 2.Sa7
      - threat
        3.c8Q#
      - 2...Ka6
        3.c8Q#
        3.c8B#
      - 2...Kb6
        3.c8Q#
      - 2...Kxa7
        3.c8Q#
      - 2...Ka8
        3.c8Q#
        3.c8R#

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