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Problem Display

PID: 236258 (8/RN6/1p6/3B4/1k6/8/1B6/5K2 w - - 0 1)

Havel, Miroslav

Parallele 50, 1950

8/RN6/1p6/3B4/1k6/8/1B6/5K2

#4

5 + 2

6490	yacpdb	2021

SOLUTION

SOUND
Keys
- 1.Ra1!
  - 1...Kb5
    - 2.Ba3
      - threat
        3.Sd6+
        3...Ka4
        4.Bc5#
        3...Ka5
        4.Bc5#
        3...Ka6
        4.Bc1#
        4.Bb2#
        4.Bb4#
        4.Bc5#
      - 2...Ka4
        3.Sd6
        threat
        4.Bc5#
        3...Ka5
        4.Bc5#
        3.Bc4
        3...b5
        4.Bc5#
        4.Bd6#
        4.Be7#
        4.Bf8#
      - 2...Ka6
        3.Bc6
        threat
        4.Bc1#
        4.Bb2#
        4.Bb4#
        4.Bc5#
        4.Bd6#
        4.Be7#
        4.Bf8#
        3...Ka7
        4.Bd6#
  - 1...b5
    - 2.Ba2
      - 2...Ka4
        3.Bc3
        threat
        4.Bc4#
        4.Bd5#
        4.Be6#
        4.Bf7#
        4.Bg8#
        3...Ka3
        4.Bc4#
        4.Bd5#
        4.Be6#
        4.Bf7#
        4.Bg8#
    - 2.Rb1
      - 2...Ka4
        3.Bc1
        3...b4
        4.Bc6#
    - 2.Rd1
      - 2...Ka4
        3.Rd3
        3...Kb4
        4.Rd4#
        3...b4
        4.Bc6#
    - 2.Re1
      - 2...Ka4
        3.Re3
        3...Kb4
        4.Re4#
        3...b4
        4.Bc6#

FEATURES

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Developed and maintained by Brian Stephenson.
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