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Problem Display

PID: 188853 (8/8/p3PK2/B1k1N3/8/1pN5/b3PPB1/8 w - - 0 1)

Shinkman, William Anthony

Pittsburgh Gazette-Times, 1911

8/8/p3PK2/B1k1N3/8/1pN5/b3PPB1/8

#3

8 + 4

6490	yacpdb	2019

SOLUTION

SOUND
Sets
- 1...Kd4
  - 2.Sa4
    - threat
      - 3.Bc3#
      - 3.Bb6#
      - 3.e3#
  - 2.Bb4
    - threat
      - 3.e3#
- 1...Kd6
  - 2.Sa4
    - threat
      - 3.Sc4#
      - 3.Sf7#
  - 2.Bb6
    - threat
      - 3.Sc4#
      - 3.Sf7#
Tries
- 1.Sa4+?
  - 1...Kd4
    - 2.Bc3#
    - 2.Bb6#
    - 2.e3#
  - 1...Kd6
    - 2.Sc4#
    - 2.Sf7#
  - 1...Kb5!
- 1.Sd3+?
  - 1...Kc4
    - 2.Ke5
      - threat
        3.Bd5#
  - 1...Kd6
    - 2.Bb7
      - threat
        3.Se4#
    - 2.Ba8
      - threat
        3.Se4#
    - 2.e4
      - threat
        3.e5#
      - 2...Kc6
        3.e5#
  - 1...Kd4!
- 1.Bc6?
  - threat
    - 2.Se4+
      - 2...Kd4
        3.Bc3#
        3.Bb6#
        3.e3#
  - 1...Kd4
    - 2.Sa4
      - threat
        3.Bc3#
        3.Bb6#
        3.e3#
    - 2.Se4
      - threat
        3.Bc3#
        3.Bb6#
        3.e3#
    - 2.Bb4
      - threat
        3.e3#
    - 2.e3+
      - 2...Kc5
        3.Se4#
  - 1...Bb1!
Keys
- 1.Sd7+!
  - 1...Kc4
    - 2.Ke5
      - threat
        3.Bd5#
  - 1...Kd4
    - 2.Bf1
      - threat
        3.e3#
      - 2...Kc4
        3.e3#
  - 1...Kd6
    - 2.e4
      - threat
        3.e5#
      - 2...Kc6
        3.e5#

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