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Problem Display

PID: 261814 (5K1k/4Rp2/1p6/4N3/8/6p1/5q2/1B4b1 w - - 0 1)

Russkikh, Vladimir Evdokimovich

6th HM., Atayants-60 JT (SuperProblem), 2014

5K1k/4Rp2/1p6/4N3/8/6p1/5q2/1B4b1

#3

4 + 6

SOLUTION

SOUND
Sets
- 1...Qe1
  - 2.Sxf7#
- 1...Qe3
  - 2.Sxf7#
- 1...Qd4
  - 2.Sxf7#
- 1...Qc5
  - 2.Sxf7#
- 1...Qb2
  - 2.Sxf7#
- 1...Qc2
  - 2.Sxf7+
    - 2...Kh7
      - 3.Bxc2#
  - 2.Bxc2
    - threat
      - 3.Sxf7#
    - 2...f5
      - 3.Sg6#
    - 2...f6
      - 3.Sg6#
      - 3.Sf7#
      - 3.Rh7#
- 1...Qd2
  - 2.Sxf7#
- 1...Qe2
  - 2.Sxf7#
- 1...Qg2
  - 2.Sxf7#
- 1...Qh2
  - 2.Sxf7#
- 1...Qf5
  - 2.Bxf5
    - threat
      - 3.Sxf7#
    - 2...f6
      - 3.Sg6#
      - 3.Sf7#
      - 3.Rh7#
- 1...f5
  - 2.Sg6#
- 1...f6
  - 2.Sg6#
  - 2.Sf7#
  - 2.Rh7#
Keys
- 1.Re8!
  - threat
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#
  - 1...Qc5+
    - 2.Kxf7+
      - 2...Qf8+
        3.Rxf8#
  - 1...Qc2
    - 2.Sxf7+
      - 2...Kh7
        3.Bxc2#
  - 1...Qf5
    - 2.Sxf7+
      - 2...Kh7
        3.Bxf5#
      - 2...Qxf7+
        3.Kxf7#
  - 1...f5
    - 2.Re7
      - threat
        3.Sg6#
  - 1...Qf1
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#
  - 1...Qa2
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#
  - 1...Qf3
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#
  - 1...Qf4
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#
  - 1...Qf6
    - 2.Sxf7+
      - 2...Qxf7+
        3.Kxf7#

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