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Problem Display

PID: 186763 (4qr2/2pbp1n1/4p3/2N2Pp1/p2B1kP1/2PPpP2/4B2P/Q2K1R2 w - - 0 1)

Shavirin, Valery Mikhailovich

Troll, 2018

4qr2/2pbp1n1/4p3/2N2Pp1/p2B1kP1/2PPpP2/4B2P/Q2K1R2

#3

12 + 11

SOLUTION

SOUND
Sets
- 1...Rg8
  - 2.c4
    - threat
      - 3.Be5#
    - 2...e5
      - 3.Bxe5#
- 1...Rh8
  - 2.c4
    - threat
      - 3.Be5#
    - 2...e5
      - 3.Bxe5#
- 1...Bb5
  - 2.Qc1
    - threat
      - 3.Qxe3#
    - 2...Sxf5
      - 3.Sxe6#
- 1...Sxf5
  - 2.c4
    - threat
      - 3.Be5#
    - 2...Sxd4
      - 3.Qxd4#
    - 2...e5
      - 3.Bxe5#
- 1...Sh5
  - 2.Qc1
    - threat
      - 3.Qxe3#
- 1...exf5
  - 2.Qc1
    - threat
      - 3.Qxe3#
    - 2...fxg4
      - 3.fxg4#
- 1...e5
  - 2.Bxe3+
    - 2...Kxe3
      - 3.Qc1#
Tries
- 1.Sxd7?
  - threat
    - 2.Be5#
  - 1...Rxf5
    - 2.Bxe3+
      - 2...Kxe3
        3.Qc1#
    - 2.Qc1
      - threat
        3.Bxe3#
        3.Qxe3#
      - 2...Re5
        3.Bxe5#
  - 1...Qxd7!
- 1.Bxe3+?
  - 1...Kxe3
    - 2.Qc1#
  - 1...Ke5!
- 1.c4?
  - threat
    - 2.Be5#
  - 1...e5
    - 2.Bxe5#
  - 1...Rxf5!
Keys
- 1.Sb7!
  - threat
    - 2.Bxe3+
      - 2...Kxe3
        3.Qc1#
      - 2...Ke5
        3.c4#
  - 1...Sxf5
    - 2.c4
      - threat
        3.Be5#
      - 2...Sxd4
        3.Qxd4#
      - 2...e5
        3.Bxe5#
  - 1...exf5
    - 2.Qc1
      - threat
        3.Qxe3#
      - 2...fxg4
        3.fxg4#
  - 1...e5
    - 2.Bxe3+
      - 2...Kxe3
        3.Qc1#

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