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Problem Display

PID: 226881 (4R3/1KB1b3/3rp3/4k1PB/4PR2/4P3/PP4P1/3q4 w - - 0 1)

Nerong, Otto

Die Schwalbe, 1928

4R3/1KB1b3/3rp3/4k1PB/4PR2/4P3/PP4P1/3q4

#3

11 + 5

SOLUTION

SOUND
Sets
- 1...Qf3
  - 2.Bxf3
    - 2...Bxg5
      - 3.Rf5#
    - 2...Bf6
      - 3.Rf5#
    - 2...Bd8
      - 3.Rf5#
    - 2...Bf8
      - 3.Rf5#
  - 2.gxf3
    - 2...Bxg5
      - 3.Rf5#
    - 2...Bf6
      - 3.Rf5#
    - 2...Bd8
      - 3.Rf5#
    - 2...Bf8
      - 3.Rf5#
- 1...Qg4
  - 2.Bxg4
    - 2...Bxg5
      - 3.Rxe6#
    - 2...Bf6
      - 3.Rxe6#
    - 2...Bd8
      - 3.Rxe6#
    - 2...Bf8
      - 3.Rxe6#
Tries
- 1.Rf5+?
  - 1...exf5
    - 2.Rxe7#
  - 1...Kxe4!
Keys
- 1.Bf3!
  - threat
    - 2.Rf5+
      - 2...exf5
        3.Rxe7#
  - 1...Qb3+
    - 2.axb3
      - 2...Bxg5
        3.Rf5#
      - 2...Bf6
        3.Rf5#
      - 2...Bd8
        3.Rf5#
      - 2...Bf8
        3.Rf5#
  - 1...Qd5+
    - 2.exd5
      - 2...Bxg5
        3.Rxe6#
      - 2...exd5
        3.Rxe7#
      - 2...Bf6
        3.Rxe6#
      - 2...Bd8
        3.Rxe6#
      - 2...Bf8
        3.Rxe6#
  - 1...Qxf3
    - 2.gxf3
      - 2...Bxg5
        3.Rf5#
      - 2...Bf6
        3.Rf5#
      - 2...Bd8
        3.Rf5#
      - 2...Bf8
        3.Rf5#

FEATURES

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Developed and maintained by Brian Stephenson.
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