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Problem Display

PID: 253732 (8/2Qpp3/4p3/4N3/3k2K1/8/5P2/8 w - - 0 1)

Mundel, Manfred

Schach, 1962

8/2Qpp3/4p3/4N3/3k2K1/8/5P2/8

#3

4 + 4

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Ke4
  - 2.Qc5
    - threat
      - 3.f3#
    - 2...d5
      - 3.Qe3#
- 1...Kd5
  - 2.Kf4
    - 2...Kd4
      - 3.Qc4#
    - 2...d6
      - 3.Qc4#
- 1...d5
  - 2.Qc1
    - threat
      - 3.Qe3#
    - 2...Ke4
      - 3.Qe3#
      - 3.Qf4#
    - 2...Kxe5
      - 3.Qf4#
Tries
- 1.Kf3?
  - 1...Kd5
    - 2.Ke3
      - 2...d6
        3.Qa5#
    - 2.Kf4
      - 2...Kd4
        3.Qc4#
      - 2...d6
        3.Qc4#
  - 1...d5
    - 2.Qc1
      - 2...Kxe5
        3.Qf4#
  - 1...d6!
- 1.Kf4?
  - threat
    - 2.Qc4#
  - 1...Kd5
    - 2.Ke3
      - 2...d6
        3.Qa5#
    - 2.Qc4+
      - 2...Kd6
        3.Sf7#
    - 2.f3
      - 2...Kd4
        3.Qc4#
      - 2...d6
        3.Qc4#
  - 1...d5!
- 1.Qa5?
  - 1...Ke4
    - 2.Qc5
      - threat
        3.f3#
      - 2...d5
        3.Qe3#
  - 1...d5
    - 2.Qb4+
      - 2...Kxe5
        3.Qf4#
  - 1...d6!
- 1.Qc5+?
  - 1...Ke4
    - 2.f3#
  - 1...Kxc5!
Keys
- 1.Kg5!
  - 1...Ke4
    - 2.Qc5
      - threat
        3.f3#
      - 2...d5
        3.Qe3#
  - 1...Kd5
    - 2.Kf4
      - 2...Kd4
        3.Qc4#
      - 2...d6
        3.Qc4#
  - 1...d6
    - 2.Qc4+
      - 2...Kxe5
        3.f4#
  - 1...d5
    - 2.Qc1
      - threat
        3.Qe3#
      - 2...Ke4
        3.Qe3#
        3.Qf4#
      - 2...Kxe5
        3.Qf4#

FEATURES

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Developed and maintained by Brian Stephenson.
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