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Problem Display

PID: 223518 (K1N5/1p6/p2B4/k7/4N3/3P4/2B5/8 w - - 0 1)

Michalko, Jan

Sachova skladba, 1989

K1N5/1p6/p2B4/k7/4N3/3P4/2B5/8

#3

6 + 3

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...b5
  - 2.Sc3
    - 2...b4
      - 3.Bc7#
Tries
- 1.Sc3?
  - 1...b5
    - 2.Ka7
      - 2...b4
        3.Bc7#
    - 2.Kb7
      - 2...b4
        3.Bc7#
    - 2.Kb8
      - 2...b4
        3.Bc7#
    - 2.Bb1
      - 2...b4
        3.Bc7#
    - 2.Bd1
      - 2...b4
        3.Bc7#
    - 2.Bb3
      - 2...b4
        3.Bc7#
    - 2.Bc5
      - 2...b4
        3.Bb6#
    - 2.Be7
      - 2...b4
        3.Bd8#
    - 2.d4
      - 2...b4
        3.Bc7#
  - 1...b6!
- 1.Sa7?
  - 1...b6
    - 2.Kb7
      - 2...b5
        3.Sc6#
  - 1...b5
    - 2.Kb7
      - 2...b4
        3.Bc7#
    - 2.Kb8
      - 2...Kb6
        3.Bc7#
      - 2...b4
        3.Bc7#
    - 2.Be7
      - 2...Kb6
        3.Bd8#
      - 2...b4
        3.Bd8#
  - 1...Kb6!
Keys
- 1.Sd2!
  - threat
    - 2.Sc4+
      - 2...Kb5
        3.Sa7#
  - 1...Kb5
    - 2.Sa7+
      - 2...Ka5
        3.Sc4#
      - 2...Kb6
        3.Sc4#
  - 1...b5
    - 2.Sb3+
      - 2...Ka4
        3.Sb6#

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