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Problem Display

PID: 82749 (3kN1rn/p2P1pb1/3p4/3NpQ2/8/K5p1/8/8 w - - 0 1)

Havel, Miroslav

The Observer, 1934

(First published on Sun Oct 7 1934)

3kN1rn/p2P1pb1/3p4/3NpQ2/8/K5p1/8/8

#3

5 + 9

6490	yacpdb	2009
15239	Valois Notebooks	2019

SOLUTION

SOUND
Sets
- 1...Rxe8
  - 2.dxe8Q+
    - 2...Kxe8
      - 3.Qc8#
  - 2.dxe8B
    - threat
      - 3.Qd7#
    - 2...Kxe8
      - 3.Qc8#
  - 2.dxe8R+
    - 2...Kxe8
      - 3.Qc8#
- 1...Rf8
  - 2.Sxd6
    - threat
      - 3.Sb7#
Tries
- 1.Kb3?
  - threat
    - 2.Sxd6
      - threat
        3.Sb7#
  - 1...Rxe8
    - 2.dxe8Q+
      - 2...Kxe8
        3.Qc8#
    - 2.dxe8B
      - threat
        3.Qd7#
      - 2...Kxe8
        3.Qc8#
    - 2.dxe8R+
      - 2...Kxe8
        3.Qc8#
  - 1...Bf8
    - 2.Sb4
      - threat
        3.Sc6#
      - 2...Ke7
        3.Sc6#
  - 1...Sg6
    - 2.Sxd6
      - threat
        3.Sb7#
        3.Sxf7#
  - 1...a5!
- 1.Qf6+?
  - 1...Kxd7
    - 2.Qxd6+
      - 2...Kc8
        3.Qc7#
      - 2...Kxe8
        3.Sc7#
        3.Qe7#
  - 1...Bxf6!
Keys
- 1.Ka2!
  - threat
    - 2.Sxd6
      - threat
        3.Sb7#
  - 1...Rxe8
    - 2.dxe8Q+
      - 2...Kxe8
        3.Qc8#
    - 2.dxe8B
      - threat
        3.Qd7#
      - 2...Kxe8
        3.Qc8#
    - 2.dxe8R+
      - 2...Kxe8
        3.Qc8#
  - 1...Bf8
    - 2.Sb4
      - threat
        3.Sc6#
      - 2...Ke7
        3.Sc6#
  - 1...Sg6
    - 2.Sxd6
      - threat
        3.Sb7#
        3.Sxf7#

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