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Problem Display

PID: 172612 (2K1Bk2/5P1n/4Q3/8/7P/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1998

2K1Bk2/5P1n/4Q3/8/7P/8/8/8

#3

5 + 2

6490	yacpdb	2018

SOLUTION

SOUND
Sets
- 1...Sg5
  - 2.Qh6+
    - 2...Ke7
      - 3.f8Q#
  - 2.hxg5
    - 2...Kg7
      - 3.Qh6#
Tries
- 1.Kd7?
  - threat
    - 2.Qh6#
  - 1...Kg7
    - 2.Qg6+
      - 2...Kxg6
        3.f8Q#
      - 2...Kf8
        3.Qh6#
        3.Qg8#
      - 2...Kh8
        3.Qg8#
  - 1...Sf6+!
- 1.Qf6?
  - 1...Sg5
    - 2.Kd7
      - threat
        3.Qh8#
        3.Qh6#
      - 2...Sxf7
        3.Qxf7#
    - 2.Qh6+
      - 2...Ke7
        3.f8Q#
  - 1...Sxf6!
- 1.Qg6?
  - threat
    - 2.Kd8
      - threat
        3.Qh6#
        3.Qg8#
  - 1...Sf6
    - 2.Kd8
      - threat
        3.Qh6#
      - 2...Sxe8
        3.Qg8#
        3.fxe8Q#
        3.fxe8R#
      - 2...Sg4
        3.Qg8#
      - 2...Sh5
        3.Qg8#
      - 2...Sg8
        3.Qxg8#
        3.fxg8Q#
        3.fxg8R#
  - 1...Sg5
    - 2.Kd7
      - threat
        3.Qh6#
        3.Qg8#
      - 2...Sxf7
        3.Qxf7#
    - 2.Qh6+
      - 2...Ke7
        3.f8Q#
    - 2.Qg8+
      - 2...Ke7
        3.f8Q#
  - 1...Ke7!
- 1.Qe7+?
  - 1...Kg7
    - 2.f8Q#
  - 1...Kxe7!
Keys
- 1.Kd8!
  - threat
    - 2.Qh6#
  - 1...Kg7
    - 2.Qg6+
      - 2...Kxg6
        3.f8Q#
      - 2...Kf8
        3.Qh6#
        3.Qg8#
      - 2...Kh8
        3.Qg8#
  - 1...Sf6
    - 2.Qe7+
      - 2...Kg7
        3.f8Q#

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