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Problem Display

PID: 70352 (8/8/6R1/5K2/5N2/3P3p/8/6Bk w - - 0 1)

Rosado, Virgillio E

Christian Science Monitor, 1950

8/8/6R1/5K2/5N2/3P3p/8/6Bk

#3

5 + 2

81	Chess	1950
3713	Snap	2007

SOLUTION

SOUND
Tries
- 1.Bf2?
  - 1...Kh2
    - 2.Rg3
      - 2...Kh1
        3.Rxh3#
    - 2.Rh6
      - 2...Kh1
        3.Rxh3#
  - 1...h2!
- 1.Be3?
  - 1...Kh2
    - 2.Rh6
      - threat
        3.Rxh3#
      - 2...Kh1
        3.Rxh3#
      - 2...Kg3
        3.Rxh3#
  - 1...h2!
- 1.Bd4?
  - 1...Kh2
    - 2.Rh6
      - threat
        3.Rxh3#
      - 2...Kh1
        3.Rxh3#
      - 2...Kg3
        3.Rxh3#
  - 1...h2!
- 1.Bc5?
  - 1...Kh2
    - 2.Rh6
      - threat
        3.Rxh3#
      - 2...Kh1
        3.Rxh3#
      - 2...Kg3
        3.Rxh3#
  - 1...h2!
- 1.Bb6?
  - 1...Kh2
    - 2.Rh6
      - threat
        3.Rxh3#
      - 2...Kh1
        3.Rxh3#
      - 2...Kg3
        3.Rxh3#
  - 1...h2!
Keys
- 1.Ba7!
  - 1...Kh2
    - 2.Rh6
      - threat
        3.Rxh3#
      - 2...Kh1
        3.Rxh3#
      - 2...Kg3
        3.Rxh3#
  - 1...h2
    - 2.Rb6
      - 2...Kg1
        3.Rb1#

Anticipated by 26434(1892), 79659(1937)

This anticipates 40815(1978)

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