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Problem Display

PID: 242598 (8/r7/pQ1P4/5pPp/2P2k1p/4R2P/K4Pp1/8 w - - 0 1)

Jonsson, Ernst Uno Fredrik

Tidskrift for Schack, 1979

8/r7/pQ1P4/5pPp/2P2k1p/4R2P/K4Pp1/8

#3

8 + 7

SOLUTION

COOKED
Keys
- 1.Re6!
  - threat
    - 2.Qe3#
  - 1...Kxg5
    - 2.Qe3+
      - 2...f4
        3.Qc5#
        3.Qe5#
    - 2.Qd4
      - threat
        3.f4#
      - 2...f4
        3.Qc5#
        3.Qe5#
        3.Qf6#
        3.Qd5#
    - 2.f4+
      - 2...Kxf4
        3.Qe3#
- 1.Qd4+!
  - 1...Kxg5
    - 2.Re6
      - threat
        3.f4#
      - 2...f4
        3.Qc5#
        3.Qe5#
        3.Qf6#
        3.Qd5#
- 1.d7!
  - threat
    - 2.Re4+
      - 2...Kf3
        3.Qe3#
      - 2...Kxe4
        3.Qe3#
      - 2...Kxg5
        3.f4#
      - 2...fxe4
        3.Qf6#
    - 2.Qd6+
      - 2...Kxg5
        3.f4#
  - 1...Kxg5
    - 2.Qd6
      - threat
        3.f4#
      - 2...f4
        3.Re5#
    - 2.f4+
      - 2...Kxf4
        3.Qh6#
  - 1...Rxd7
    - 2.Re4+
      - 2...Kf3
        3.Qe3#
      - 2...Kxe4
        3.Qe3#
      - 2...Kxg5
        3.f4#
      - 2...fxe4
        3.Qf6#
  - 1...g1Q
    - 2.Qd6+
      - 2...Kxg5
        3.f4#
  - 1...g1S
    - 2.Qd6+
      - 2...Kxg5
        3.f4#
  - 1...g1B
    - 2.Qd6+
      - 2...Kxg5
        3.f4#
    - 2.Qh6
      - threat
        3.g6#
  - 1...g1R
    - 2.Qd6+
      - 2...Kxg5
        3.f4#

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