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Problem Display

PID: 213195 (kr6/1pQ5/8/1K1B4/8/8/5b2/8 w - - 0 1)

Lichtenhein, F

Chess Monthly, 1859

kr6/1pQ5/8/1K1B4/8/8/5b2/8

#3

3 + 4

6490	yacpdb	2020

SOLUTION

SOUND
Sets
- 1...Ka7
  - 2.Qa5#
- 1...Rc8
  - 2.Qxb7#
- 1...Rd8
  - 2.Qxb7#
- 1...Re8
  - 2.Qxb7#
- 1...Rf8
  - 2.Qxb7#
- 1...Rg8
  - 2.Qxb7#
- 1...Rh8
  - 2.Qxb7#
- 1...Bg3
  - 2.Qa5#
- 1...Bh4
  - 2.Qa5#
- 1...Bb6
  - 2.Kxb6
    - 2...Rc8
      - 3.Bxb7#
      - 3.Qxb7#
      - 3.Qxc8#
    - 2...Rd8
      - 3.Bxb7#
      - 3.Qxd8#
      - 3.Qxb7#
    - 2...Re8
      - 3.Bxb7#
      - 3.Qxb7#
    - 2...Rf8
      - 3.Bxb7#
      - 3.Qxb7#
    - 2...Rg8
      - 3.Bxb7#
      - 3.Qxb7#
    - 2...Rh8
      - 3.Bxb7#
      - 3.Qxb7#
  - 2.Qxb6
    - threat
      - 3.Qa5#
      - 3.Qa6#
    - 2...Rc8
      - 3.Qxb7#
    - 2...Rd8
      - 3.Qxb7#
    - 2...Re8
      - 3.Qxb7#
    - 2...Rf8
      - 3.Qxb7#
    - 2...Rg8
      - 3.Qxb7#
    - 2...Rh8
      - 3.Qxb7#
Keys
- 1.Qa5+!
  - 1...Ba7
    - 2.Qa6
      - 2...Rc8
        3.Qxb7#
      - 2...Rd8
        3.Qxb7#
      - 2...Re8
        3.Qxb7#
      - 2...Rf8
        3.Qxb7#
      - 2...Rg8
        3.Qxb7#
      - 2...Rh8
        3.Qxb7#

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