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Problem Display

PID: 196318 (Kn6/8/1P1b4/3k2N1/P1N2P2/2p4R/Q7/8 w - - 0 1)

Berry, Charles Vincent E

Op de Hoogte, 1908

Kn6/8/1P1b4/3k2N1/P1N2P2/2p4R/Q7/8

#3

8 + 4

SOLUTION

SOUND
Sets
- 1...Bc5
  - 2.Sa5+
    - 2...Kd4
      - 3.Qc4#
    - 2...Kd6
      - 3.Qe6#
  - 2.Se5+
    - 2...Kd4
      - 3.Rd3#
      - 3.Qc4#
    - 2...Kd6
      - 3.Qe6#
Tries
- 1.Sa5+?
  - 1...Kd4
    - 2.Qc4#
  - 1...Kc5!
- 1.Se5+?
  - 1...Kd4
    - 2.Qc4#
  - 1...Kc5!
- 1.Rd3+?
  - 1...Kc5
    - 2.Qb1
      - threat
        3.Qb5#
      - 2...Kxc4
        3.Qb5#
      - 2...Kc6
        3.Qb5#
    - 2.Qb3
      - threat
        3.Qb5#
      - 2...Kc6
        3.Qb5#
    - 2.Qa3+
      - 2...Kxc4
        3.Qxc3#
      - 2...Kc6
        3.Rxd6#
        3.Qxd6#
  - 1...Kc6!
Keys
- 1.Qb1!
  - threat
    - 2.Rd3+
      - 2...Kxc4
        3.Qb5#
      - 2...Kc5
        3.Qb5#
      - 2...Kc6
        3.Qb5#
  - 1...Kxc4
    - 2.Qb5+
      - 2...Kd4
        3.Rd3#
  - 1...Kd4
    - 2.Rd3+
      - 2...Kxc4
        3.Qb5#
      - 2...Kc5
        3.Qb5#
  - 1...Kc5
    - 2.Rd3
      - threat
        3.Qb5#
      - 2...Kxc4
        3.Qb5#
      - 2...Kc6
        3.Qb5#
  - 1...Bb4
    - 2.Qe4+
      - 2...Kc5
        3.Se6#
  - 1...Be5
    - 2.Rd3+
      - 2...Kxc4
        3.Qb5#
      - 2...Kc5
        3.Qb5#
      - 2...Kc6
        3.Qb5#
      - 2...Bd4
        3.Qb5#
  - 1...Sc6
    - 2.Se3+
      - 2...Kd4
        3.Se6#
      - 2...Kc5
        3.Se6#

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