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Problem Display

PID: 209360 (8/8/p5R1/7p/1k1K4/8/7R/8 w - - 0 1)

Malpas, Louis

Funkschach, 1926

8/8/p5R1/7p/1k1K4/8/7R/8

#3

3 + 3

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Ka4
  - 2.Kc4
    - threat
      - 3.Ra2#
      - 3.Rxa6#
    - 2...Ka3
      - 3.Rxa6#
    - 2...Ka5
      - 3.Ra2#
- 1...Ka5
  - 2.Kc4
    - threat
      - 3.Ra2#
    - 2...Ka4
      - 3.Ra2#
      - 3.Rxa6#
Tries
- 1.Rb2+?
  - 1...Ka5
    - 2.Kc4
      - threat
        3.Ra2#
      - 2...Ka4
        3.Ra2#
        3.Rxa6#
    - 2.Kc5
      - threat
        3.Ra2#
      - 2...Ka4
        3.Rxa6#
    - 2.Rg1
      - threat
        3.Ra1#
      - 2...Ka4
        3.Ra1#
  - 1...Ka3!
- 1.Rxa6?
  - threat
    - 2.Rb2#
  - 1...Kb3
    - 2.Raa2
      - threat
        3.Rhb2#
      - 2...Kb4
        3.Rhb2#
  - 1...Kb5!
- 1.Rb6+?
  - 1...Ka5
    - 2.Kc5
      - threat
        3.Ra2#
      - 2...Ka4
        3.Ra2#
    - 2.Rb1
      - threat
        3.Ra2#
      - 2...Ka4
        3.Ra2#
    - 2.Rb7
      - threat
        3.Ra2#
      - 2...Ka4
        3.Ra2#
    - 2.Rb8
      - threat
        3.Ra2#
      - 2...Ka4
        3.Ra2#
  - 1...Ka3!
Keys
- 1.Ra2!
  - threat
    - 2.Rb6#
  - 1...Kb3
    - 2.Rgg2
      - threat
        3.Rgb2#
      - 2...Kb4
        3.Rgb2#
  - 1...Kb5
    - 2.Raxa6
      - threat
        3.Rgb6#
      - 2...Kb4
        3.Rgb6#

FEATURES

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