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Problem Display

PID: 165846 (b7/K3N3/7B/1NP1pp1n/2pPkP2/2p4q/2P1PP2/Q1b2n2 w - - 0 1)

Rehm, Hans Peter

3rd Prize, Die Schwalbe, 2017

b7/K3N3/7B/1NP1pp1n/2pPkP2/2p4q/2P1PP2/Q1b2n2

#3

11 + 10

23	Die Schwalbe	2018

SOLUTION

SOUND
Sets
- 1...Qg2
  - 2.Qxc3
    - threat
      - 3.Sd6#
    - 2...Qg5
      - 3.Qf3#
    - 2...Qg6
      - 3.Qf3#
      - 3.f3#
- 1...Qg4
  - 2.Qxc3
    - threat
      - 3.Sd6#
    - 2...Qg5
      - 3.Qf3#
    - 2...Qg6
      - 3.Qf3#
      - 3.f3#
- 1...Qh1
  - 2.Qxc3
    - threat
      - 3.Sd6#
- 1...Qh2
  - 2.Qxc3
    - threat
      - 3.Sd6#
      - 3.Qf3#
      - 3.f3#
- 1...Be3
  - 2.Qxc3
    - threat
      - 3.Sd6#
- 1...Se3
  - 2.Qxc3
    - threat
      - 3.Sd6#
- 1...Sfg3
  - 2.Qxc3
    - threat
      - 3.Sd6#
      - 3.Qf3#
      - 3.f3#
- 1...Shg3
  - 2.Qxc3
    - threat
      - 3.Sd6#
      - 3.Qf3#
      - 3.f3#
- 1...exd4
  - 2.Sd6#
Keys
- 1.Qa6!
  - threat
    - 2.Sd6+
      - 2...Kxd4
        3.Qxc4#
  - 1...Bd5
    - 2.Qd6
      - threat
        3.Qxe5#
        3.Qxd5#
  - 1...Qd3
    - 2.Qc8
      - threat
        3.Qxf5#
        3.Qxa8#
      - 2...Se3
        3.f3#
  - 1...Sd2
    - 2.Qd6
      - threat
        3.Qxe5#
      - 2...exd4
        3.Qe5#
        3.Qxd4#
        3.Qe6#
      - 2...exf4
        3.Qe5#
        3.Qe6#
      - 2...Sf3
        3.Sxc3#
  - 1...Se3
    - 2.Qe6
      - threat
        3.Qxe5#
      - 2...Sg4
        3.Qxf5#

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