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Problem Display

PID: 147376 (2Nqr3/b1n5/2B2B2/5Q2/nPkp3R/2P1PN2/1PP4K/3r1b2 w - - 0 1)

Goumondy, Claude

Thema Danicum, 1977

2Nqr3/b1n5/2B2B2/5Q2/nPkp3R/2P1PN2/1PP4K/3r1b2

#3

12 + 9

SOLUTION

SOUND
Sets
- 1...Qd5
  - 2.Qxd5+
    - 2...Sxd5
      - 3.Sd6#
- 1...Qd6+
  - 2.Sxd6#
- 1...Ra1
  - 2.Sd2#
- 1...Rb1
  - 2.Sd2#
- 1...Rc1
  - 2.Sd2#
- 1...Re1
  - 2.Sd2#
- 1...Rd2+
  - 2.Sxd2#
- 1...Rd3
  - 2.Qxd3+
    - 2...Bxd3
      - 3.Sd2#
- 1...Re5
  - 2.Sxe5#
- 1...Re6
  - 2.Qxe6+
    - 2...Qd5
      - 3.Se5#
      - 3.Sd6#
    - 2...Sd5
      - 3.Se5#
    - 2...Sxe6
      - 3.Se5#
- 1...Rf8
  - 2.Se5#
- 1...Rg8
  - 2.Se5#
- 1...Rh8
  - 2.Se5#
- 1...Bc5
  - 2.Qxc5+
    - 2...Sxc5
      - 3.Sb6#
- 1...Bb6
  - 2.Sxb6+
    - 2...Sxb6
      - 3.Qc5#
- 1...Bb8
  - 2.Sb6+
    - 2...Sxb6
      - 3.Qc5#
  - 2.Qc5+
    - 2...Sxc5
      - 3.Sb6#
- 1...Sb6
  - 2.Qc5#
- 1...Sb5
  - 2.Bxb5#
  - 2.Qxb5#
- 1...Sa6
  - 2.Bb5#
  - 2.Qb5#
- 1...Se6
  - 2.Se5#
  - 2.Bb5#
  - 2.Qb5#
- 1...Sa8
  - 2.Bb5#
  - 2.Qb5#
Tries
- 1.Sb6+?
  - 1...Sxb6
    - 2.Qc5#
  - 1...Bxb6!
- 1.Qe6+?
  - 1...Qd5
    - 2.Se5#
    - 2.Sd6#
  - 1...Sd5
    - 2.Se5#
  - 1...Sxe6
    - 2.Se5#
  - 1...Rxe6!
Keys
- 1.Rxd4+!
  - 1...Qxd4
    - 2.Qd5+
      - 2...Qxd5
        3.b3#
      - 2...Sxd5
        3.Sd6#
  - 1...Rxd4
    - 2.Qd3+
      - 2...Rxd3
        3.b3#
      - 2...Bxd3
        3.Sd2#
  - 1...Bxd4
    - 2.Qc5+
      - 2...Bxc5
        3.b3#
      - 2...Sxc5
        3.Sb6#

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