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Problem Display

PID: 46591 (8/2B5/2kp2K1/3N4/8/1Q6/8/8 w - - 0 1)

Howard, David M

Problem Observer, 2003

8/2B5/2kp2K1/3N4/8/1Q6/8/8

#3

4 + 2

SOLUTION

SOUND
Tries
- 1.Kf6?
  - 1...Kd7
    - 2.Qb7
      - 2...Ke8
        3.Qc8#
  - 1...Kc5!
- 1.Sf6?
  - threat
    - 2.Qb6#
  - 1...Kc5
    - 2.Ba5
      - threat
        3.Qd5#
      - 2...Kd4
        3.Qc3#
      - 2...Kc6
        3.Qd5#
        3.Qb6#
      - 2...d5
        3.Qxd5#
    - 2.Qa4
      - 2...d5
        3.Sd7#
  - 1...Kxc7!
- 1.Bb6?
  - 1...Kd7
    - 2.Qc2
      - 2...Ke6
        3.Qf5#
      - 2...Ke8
        3.Qc8#
  - 1...Kb7!
- 1.Qc4+?
  - 1...Kd7
    - 2.Sb6+
      - 2...Ke7
        3.Qf7#
      - 2...Ke8
        3.Qf7#
    - 2.Qa6
      - 2...Ke6
        3.Qxd6#
      - 2...Ke8
        3.Qc8#
  - 1...Kb7!
- 1.Qb6+?
  - 1...Kd7
    - 2.Sf6+
      - 2...Ke6
        3.Qe3#
        3.Qxd6#
      - 2...Ke7
        3.Qxd6#
      - 2...Kc8
        3.Qb8#
    - 2.Qa6
      - 2...Ke6
        3.Qxd6#
      - 2...Ke8
        3.Qc8#
  - 1...Kxd5!
Keys
- 1.Ba5!
  - threat
    - 2.Sf6
      - threat
        3.Qd5#
        3.Qb6#
      - 2...Kc5
        3.Qd5#
  - 1...Kc5
    - 2.Sf6
      - threat
        3.Qd5#
      - 2...Kd4
        3.Qc3#
      - 2...Kc6
        3.Qd5#
        3.Qb6#
      - 2...d5
        3.Qxd5#
  - 1...Kd7
    - 2.Qc2
      - 2...Ke6
        3.Qf5#
      - 2...Ke8
        3.Qc8#

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