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Problem Display

PID: 195651 (8/3p1N2/K7/B2k4/8/4Q3/8/8 w - - 0 1)

Riis, T

Skakbladet, 1919

8/3p1N2/K7/B2k4/8/4Q3/8/8

#3

4 + 2

6490	yacpdb	2019

SOLUTION

SOUND
Sets
- 1...Kc6
  - 2.Qe5
    - threat
      - 3.Sd8#
      - 3.Qd6#
      - 3.Qb5#
Tries
- 1.Sg5?
  - threat
    - 2.Kb5
      - threat
        3.Qc5#
      - 2...Kd6
        3.Qc5#
      - 2...d6
        3.Qe4#
  - 1...Kc6
    - 2.Qe5
      - 2...d5
        3.Qc7#
      - 2...d6
        3.Qb5#
  - 1...Kd6
    - 2.Kb5
      - 2...Kd5
        3.Qc5#
    - 2.Kb6
      - 2...Kd5
        3.Qc5#
    - 2.Bb6
      - threat
        3.Qc5#
      - 2...Kd5
        3.Qc5#
      - 2...Kc6
        3.Qc5#
    - 2.Qe4
      - 2...Kc5
        3.Bb4#
  - 1...d6
    - 2.Qe4+
      - 2...Kc5
        3.Se6#
        3.Bb4#
        3.Bb6#
  - 1...Kc4!
- 1.Bb6?
  - 1...d6
    - 2.Qe2
      - 2...Kc6
        3.Qb5#
  - 1...Kc4!
- 1.Qd3+?
  - 1...Kc5
    - 2.Bc3
      - threat
        3.Qb5#
      - 2...Kc6
        3.Qc4#
        3.Qd6#
  - 1...Ke6!
- 1.Qe4+?
  - 1...Kc5
    - 2.Bb4#
    - 2.Bb6#
  - 1...Kxe4!
- 1.Qe5+?
  - 1...Kc6
    - 2.Sd8#
    - 2.Qd6#
    - 2.Qb5#
  - 1...Kc4!
Keys
- 1.Sd6!
  - threat
    - 2.Bb4
      - 2...Kc6
        3.Qc5#
  - 1...Kc6
    - 2.Bb4
      - threat
        3.Qc5#
      - 2...Kd5
        3.Qe4#
      - 2...Kc7
        3.Qb6#
  - 1...Kxd6
    - 2.Qe4
      - 2...Kc5
        3.Bb4#

FEATURES

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Developed and maintained by Brian Stephenson.
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