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Problem Display

PID: 264842 (3Q4/1p6/4pp2/4P3/N2PkpN1/1K6/2P2B2/8 w - - 0 1)

Petrasinovic, Petrasin

Schweizerische Schachzeitung, 2012

3Q4/1p6/4pp2/4P3/N2PkpN1/1K6/2P2B2/8

#3

8 + 5

SOLUTION

SOUND
Sets
- 1...f3
  - 2.Qxf6
    - threat
      - 3.Sc3#
    - 2...Kd5
      - 3.Qxf3#
Tries
- 1.Sh2?
  - threat
    - 2.Sc3+
      - 2...Kf5
        3.Qxf6#
    - 2.Sc5+
      - 2...Kf5
        3.Qxf6#
  - 1...Kf5
    - 2.Qxf6+
      - 2...Ke4
        3.Sc3#
  - 1...f3
    - 2.Sc3+
      - 2...Kf4
        3.Qxf6#
      - 2...Kf5
        3.Qxf6#
    - 2.Sc5+
      - 2...Kf4
        3.Qxf6#
      - 2...Kf5
        3.Qxf6#
    - 2.Qxf6
      - threat
        3.Sc3#
        3.Qxf3#
      - 2...Kd5
        3.Qxf3#
  - 1...b6
    - 2.Sc3+
      - 2...Kf5
        3.Qxf6#
  - 1...fxe5!
- 1.Sxf6+?
  - 1...Kf5
    - 2.Qg8
      - threat
        3.Qg4#
  - 1...Kf3!
Keys
- 1.Qh8!
  - threat
    - 2.Sc3+
      - 2...Kf3
        3.Qh3#
      - 2...Kf5
        3.Qh5#
  - 1...Kf3
    - 2.Qh3+
      - 2...Ke2
        3.Qd3#
      - 2...Ke4
        3.Sxf6#
  - 1...Kd5
    - 2.Qh1+
      - 2...f3
        3.Qxf3#
  - 1...Kf5
    - 2.Qh5+
      - 2...Ke4
        3.Sxf6#
  - 1...f3
    - 2.Qxf6
      - threat
        3.Sc3#
      - 2...Kd5
        3.Qxf3#
  - 1...f5
    - 2.Sc3+
      - 2...Kf3
        3.Qh3#

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