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Problem Display

PID: 273640 (8/1K6/1P5P/Q2P1P1P/2N1k1N1/8/4P3/8 w - - 0 1)

Caratsch, Alfredo

Zurcher Woche, 1955

8/1K6/1P5P/Q2P1P1P/2N1k1N1/8/4P3/8

#3

10 + 1

6490	yacpdb	2023

SOLUTION

SOUND
Sets
- 1...Kd4
  - 2.Sce3
    - 2...Ke4
      - 3.Qb4#
      - 3.Qa4#
  - 2.Qb4
    - threat
      - 3.Sce3#
    - 2...Ke4
      - 3.Sce3#
    - 2...Kxd5
      - 3.Sce3#
Tries
- 1.Sce3?
  - threat
    - 2.Qb4#
    - 2.Qa4#
  - 1...Kd4
    - 2.Qb4#
  - 1...Kf4!
- 1.Sd6+?
  - 1...Kd4
    - 2.Qb4+
      - 2...Kxd5
        3.e4#
  - 1...Kf4!
- 1.Sge3?
  - 1...Kd4
    - 2.d6
      - 2...Ke4
        3.Qe5#
  - 1...Kf4!
- 1.d6?
  - threat
    - 2.Qe5#
  - 1...Kd4
    - 2.Sb2
      - 2...Ke4
        3.Qe5#
    - 2.Sa3
      - 2...Ke4
        3.Qe5#
    - 2.Sce3
      - 2...Ke4
        3.Qb4#
        3.Qa4#
        3.Qe5#
    - 2.Sge3
      - 2...Ke4
        3.Qe5#
    - 2.Qb4
      - threat
        3.Sce3#
      - 2...Ke4
        3.Sce3#
      - 2...Kd5
        3.Sce3#
  - 1...Kf4!
Keys
- 1.Qe1!
  - 1...Kd4
    - 2.Qb4
      - threat
        3.Sce3#
      - 2...Ke4
        3.Sce3#
      - 2...Kxd5
        3.Sce3#
  - 1...Kf4
    - 2.Qh4
      - threat
        3.Sge3#
      - 2...Ke4
        3.Sge3#
      - 2...Kxf5
        3.Sge3#
  - 1...Kxd5
    - 2.Qb4
      - threat
        3.Sce3#
      - 2...Kd4
        3.Sce3#
      - 2...Ke4
        3.Sce3#
  - 1...Kxf5
    - 2.Qh4
      - threat
        3.Sge3#
      - 2...Ke4
        3.Sge3#
      - 2...Kf4
        3.Sge3#

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