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Problem Display

PID: 213273 (r7/B7/6b1/1Q2N1p1/3pk3/8/n7/K4R2 w - - 0 1)

Seeberger, Johannes

La Regence, 1860

r7/B7/6b1/1Q2N1p1/3pk3/8/n7/K4R2

#3

5 + 6

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...d3
  - 2.Sc4
    - threat
      - 3.Sd2#
      - 3.Sd6#
      - 3.Qc6#
      - 3.Qe5#
      - 3.Qb7#
  - 2.Sg4
    - threat
      - 3.Sf6#
      - 3.Qc4#
      - 3.Qc6#
      - 3.Qe5#
      - 3.Qb7#
  - 2.Sc6
    - threat
      - 3.Qc4#
      - 3.Qe5#
  - 2.Sxg6
    - threat
      - 3.Qc4#
      - 3.Qc6#
      - 3.Qe5#
      - 3.Qf5#
      - 3.Qb7#
  - 2.Sd7
    - threat
      - 3.Sf6#
      - 3.Qc4#
      - 3.Qc6#
      - 3.Qe5#
      - 3.Qb7#
  - 2.Sf7
    - threat
      - 3.Sxg5#
      - 3.Sd6#
      - 3.Qc4#
      - 3.Qc6#
      - 3.Qe5#
      - 3.Qb7#
    - 2...Bxf7
      - 3.Qf5#
Tries
- 1.Re1+?
  - 1...Kf5
    - 2.Qd7+
      - 2...Kf4
        3.Qg4#
      - 2...Kf6
        3.Sg4#
  - 1...Kf4!
- 1.Qd5+?
  - 1...Ke3
    - 2.Bxd4+
      - 2...Kd2
        3.Qg2#
      - 2...Ke2
        3.Qg2#
    - 2.Qxd4+
      - 2...Ke2
        3.Qf2#
        3.Qd1#
  - 1...Kxd5!
Keys
- 1.Qd7!
  - threat
    - 2.Qxd4#
  - 1...Ke3
    - 2.Qxd4+
      - 2...Ke2
        3.Qf2#
        3.Qd1#
  - 1...Kxe5
    - 2.Rf6
      - threat
        3.Qe6#
        3.Qxd4#
      - 2...Ke4
        3.Qxd4#
      - 2...Kxf6
        3.Bxd4#
  - 1...Rxa7
    - 2.Re1+
      - 2...Kf4
        3.Qg4#
  - 1...Rd8
    - 2.Re1+
      - 2...Kf4
        3.Qg4#

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