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Problem Display

PID: 29839 (4Qb2/2r5/bNr2pB1/2p1pP2/4k3/5pP1/5K2/2BR4 w - - 0 1)

Beale, John Lindsay

The Problemist, 1965

4Qb2/2r5/bNr2pB1/2p1pP2/4k3/5pP1/5K2/2BR4

#3

8 + 9

SOLUTION

SOUND
Sets
- 1...Re6
  - 2.Qa4+
    - 2...Bc4
      - 3.Qxc4#
    - 2...c4
      - 3.Qc2#
- 1...Ra7
  - 2.Qxc6#
- 1...Rb7
  - 2.Qxc6#
- 1...Re7
  - 2.Qxc6#
- 1...Rf7
  - 2.Qxc6#
- 1...Rg7
  - 2.Qxc6#
- 1...Rh7
  - 2.Qxc6#
- 1...Bb7
  - 2.Sa4
    - threat
      - 3.Sc3#
  - 2.Sd5
    - threat
      - 3.Sc3#
- 1...Bc8
  - 2.Sa4
    - threat
      - 3.Sc3#
  - 2.Sd5
    - threat
      - 3.Sc3#
- 1...Bd6
  - 2.Qe6
    - threat
      - 3.Qd5#
    - 2...Bc4
      - 3.Qxc4#
- 1...Be7
  - 2.Qh8
    - threat
      - 3.Qh4#
Tries
- 1.Qxe5+?
  - 1...fxe5
    - 2.f6#
  - 1...Kxe5!
- 1.Qe6?
  - threat
    - 2.Qd5#
  - 1...Rd6
    - 2.Rxd6
      - threat
        3.Qd5#
      - 2...Bc4
        3.Qxc4#
      - 2...Bb7
        3.Qc4#
  - 1...Rd7
    - 2.Qxc6+
      - 2...Rd5
        3.Qxd5#
  - 1...Rxe6!
Keys
- 1.Bb2!
  - threat
    - 2.Qxe5+
      - 2...fxe5
        3.f6#
  - 1...Re6
    - 2.Qa4+
      - 2...Bc4
        3.Qxc4#
      - 2...c4
        3.Qc2#
  - 1...Bc8
    - 2.Sa4
      - threat
        3.Sc3#
    - 2.Sd5
      - threat
        3.Sc3#
  - 1...Bd6
    - 2.Sd5
      - threat
        3.Sc3#
        3.Sxf6#
    - 2.Qe6
      - threat
        3.Qd5#
      - 2...Bc4
        3.Qxc4#
  - 1...Be7
    - 2.Qh8
      - threat
        3.Qh4#

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