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Problem Display

PID: 130200 (8/k7/2K5/1pP5/1P6/P3p1B1/6R1/8 w - - 0 1)

McGregor, John NO

Toronto Globe, 1880

8/k7/2K5/1pP5/1P6/P3p1B1/6R1/8

#3

6 + 3

6490	yacpdb	2009

SOLUTION

SOUND
Tries
- 1.a4?
  - threat
    - 2.Ra2
      - threat
        3.axb5#
      - 2...Ka6
        3.axb5#
      - 2...Ka8
        3.axb5#
      - 2...bxa4
        3.Rxa4#
  - 1...Ka6
    - 2.Ra2
      - threat
        3.axb5#
      - 2...Ka7
        3.axb5#
      - 2...bxa4
        3.Rxa4#
    - 2.axb5+
      - 2...Ka7
        3.Ra2#
  - 1...Ka8
    - 2.Ra2
      - threat
        3.axb5#
      - 2...Ka7
        3.axb5#
      - 2...bxa4
        3.Rxa4#
  - 1...bxa4
    - 2.Ra2
      - threat
        3.Rxa4#
      - 2...Ka6
        3.Rxa4#
      - 2...Ka8
        3.Rxa4#
      - 2...a3
        3.Rxa3#
  - 1...e2!
Keys
- 1.Ra2!
  - threat
    - 2.a4
      - threat
        3.axb5#
      - 2...Ka6
        3.axb5#
      - 2...Ka8
        3.axb5#
      - 2...bxa4
        3.Rxa4#
  - 1...Ka6
    - 2.a4
      - threat
        3.axb5#
      - 2...Ka7
        3.axb5#
      - 2...bxa4
        3.Rxa4#
  - 1...Ka8
    - 2.a4
      - threat
        3.axb5#
      - 2...Ka7
        3.axb5#
      - 2...bxa4
        3.Rxa4#

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