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Problem Display

PID: 271393 (n1BnNN2/r2pp1p1/1p4P1/1P1k4/1P1p2K1/3P4/4R3/8 w - - 0 1)

Kofman, Rafael Moiseevich

Die Schwalbe, 1932

n1BnNN2/r2pp1p1/1p4P1/1P1k4/1P1p2K1/3P4/4R3/8

#3

9 + 9

SOLUTION

SOUND
Sets
- 1...Se6
  - 2.Kf5
    - threat
      - 3.Re5#
    - 2...d6
      - 3.Bxe6#
  - 2.Sxe6
    - threat
      - 3.Sf4#
    - 2...dxe6
      - 3.Bxe6#
- 1...Sb7
  - 2.Kf4
    - threat
      - 3.Re5#
    - 2...e5+
      - 3.Rxe5#
    - 2...d6
      - 3.Be6#
  - 2.Se6
    - threat
      - 3.Sf4#
    - 2...dxe6
      - 3.Bxe6#
  - 2.Sxd7
    - threat
      - 3.Re5#
    - 2...e5
      - 3.Rxe5#
- 1...d6
  - 2.Se6
    - threat
      - 3.Sf4#
    - 2...Sxe6
      - 3.Bxe6#
Tries
- 1.Sxd7?
  - threat
    - 2.Re5#
  - 1...Sc6
    - 2.Sxb6+
      - 2...Sxb6
        3.Be6#
    - 2.Sdf6+
      - 2...exf6
        3.Be6#
      - 2...gxf6
        3.Be6#
  - 1...Sf7
    - 2.Sxb6+
      - 2...Sxb6
        3.Be6#
    - 2.Sdf6+
      - 2...exf6
        3.Be6#
      - 2...gxf6
        3.Be6#
  - 1...Rxd7!
- 1.Bb7+?
  - 1...Sc6
    - 2.Se6
      - threat
        3.Sf4#
      - 2...dxe6
        3.Bxc6#
  - 1...Sxb7
    - 2.Sxd7
      - threat
        3.Re5#
      - 2...e5
        3.Rxe5#
  - 1...Rxb7!
Keys
- 1.Se6!
  - threat
    - 2.Sf4#
  - 1...Sxe6
    - 2.Kf5
      - threat
        3.Re5#
      - 2...d6
        3.Bxe6#
  - 1...dxe6
    - 2.Kf4
      - threat
        3.Re5#
      - 2...e5+
        3.Rxe5#
      - 2...Sc6
        3.Bxe6#
      - 2...Sf7
        3.Bxe6#

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