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Problem Display

PID: 122342 (1Q6/5b2/p4Pp1/p2pB3/3Nk3/6P1/2P5/6K1 w - - 0 1)

Scheel, Johan

200 Shakopgaver, 1924

1Q6/5b2/p4Pp1/p2pB3/3Nk3/6P1/2P5/6K1

#3

7 + 6

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...a4
  - 2.Bf4
    - threat
      - 3.Qe5#
    - 2...Kxd4
      - 3.Qb4#
Tries
- 1.Qb1?
  - threat
    - 2.Qe1#
  - 1...Ke3
    - 2.Qe1#
  - 1...Kxe5!
- 1.Qb3?
  - threat
    - 2.Bd6
      - threat
        3.Qd3#
      - 2...Kxd4
        3.Qd3#
    - 2.Qf3+
      - 2...Kxe5
        3.Qf4#
  - 1...Be8
    - 2.Qf3+
      - 2...Kxe5
        3.Qf4#
  - 1...a4
    - 2.Qf3+
      - 2...Kxe5
        3.Qf4#
  - 1...g5
    - 2.Bd6
      - threat
        3.Qd3#
      - 2...Kxd4
        3.Qd3#
  - 1...Kxe5!
Keys
- 1.Bd6!
  - threat
    - 2.Qb3
      - threat
        3.Qd3#
      - 2...Kxd4
        3.Qd3#
  - 1...Ke3
    - 2.Bb4
      - threat
        3.Qf4#
        3.Qe5#
      - 2...Kxd4
        3.Qf4#
      - 2...Ke4
        3.Qf4#
  - 1...Kxd4
    - 2.Qb3
      - threat
        3.Qd3#
      - 2...Ke4
        3.Qd3#
  - 1...Be8
    - 2.Bc5
      - threat
        3.Qf4#
        3.Qxe8#
      - 2...Ke3
        3.Qf4#
  - 1...a4
    - 2.Bf4
      - threat
        3.Qe5#
      - 2...Kxd4
        3.Qb4#

FEATURES

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