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Problem Display

PID: 62617 (1r1bq3/8/6p1/2QP1kp1/3B2Np/2P5/5PK1/8 w - - 0 1)

Calvi, Ignazio

The Chess Player's Chronicle (Staunton), 1841

1r1bq3/8/6p1/2QP1kp1/3B2Np/2P5/5PK1/8

#3

7 + 7

14986	White-Hume Collection	2020

SOLUTION

SOUND
Sets
- 1...Qc6
  - 2.Kf3
    - threat
      - 3.Se3#
      - 3.Sh6#
    - 2...Qxd5+
      - 3.Qxd5#
- 1...Qd7
  - 2.Kf3
    - threat
      - 3.Se3#
      - 3.Sh6#
    - 2...Qxd5+
      - 3.Qxd5#
- 1...Qf7
  - 2.Kf3
    - threat
      - 3.Se3#
      - 3.Sh6#
    - 2...Qxd5+
      - 3.Qxd5#
- 1...Qf8
  - 2.Kf3
    - threat
      - 3.Se3#
    - 2...Qe7
      - 3.Sh6#
    - 2...Qe8
      - 3.Sh6#
- 1...Qg8
  - 2.Kf3
    - threat
      - 3.Se3#
      - 3.Sh6#
    - 2...Qxd5+
      - 3.Qxd5#
Keys
- 1.Qf8+!
  - 1...Qf7
    - 2.Kf3
      - threat
        3.Se3#
        3.Sh6#
  - 1...Qxf8
    - 2.Kf3
      - threat
        3.Se3#
      - 2...Qe7
        3.Sh6#
      - 2...Qe8
        3.Sh6#
  - 1...Bf6
    - 2.Qxf6+
      - 2...Ke4
        3.Qf3#
      - 2...Kxg4
        3.Qf3#

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