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Problem Display

PID: 164880 (8/nK6/2P3p1/1Nk3P1/8/8/1B6/5Q2 w - - 0 1)

Egorov, Gennady Sergeevich

Oleinik, Aleksandr Petrovich

Sachmatija, 2008

8/nK6/2P3p1/1Nk3P1/8/8/1B6/5Q2

#3

6 + 3

SOLUTION

SOUND
Sets
- 1...Kd5
  - 2.Qd3+
    - 2...Kc5
      - 3.Ba3#
    - 2...Ke6
      - 3.Qd7#
Tries
- 1.Sxa7?
  - threat
    - 2.Qd3
      - 2...Kb4
        3.Qb5#
    - 2.Qb5+
      - 2...Kd6
        3.Qe5#
  - 1...Kd5
    - 2.Qd3+
      - 2...Kc5
        3.Ba3#
        3.Qd4#
      - 2...Ke6
        3.Qd7#
  - 1...Kd6!
- 1.Sc7?
  - 1...Kb4
    - 2.Qd3
      - 2...Ka4
        3.Qa3#
      - 2...Ka5
        3.Qa3#
      - 2...Kc5
        3.Sa6#
        3.Ba3#
        3.Qd4#
      - 2...Sxc6
        3.Qb5#
      - 2...Sb5
        3.Qxb5#
      - 2...Sc8
        3.Qb5#
  - 1...Sb5
    - 2.Qxb5+
      - 2...Kd6
        3.Ba3#
        3.Qb4#
        3.Qe5#
  - 1...Sc8
    - 2.Qb5+
      - 2...Kd6
        3.Ba3#
        3.Qb4#
        3.Qe5#
  - 1...Sxc6!
Keys
- 1.Sa3!
  - 1...Kb4
    - 2.Qc4+
      - 2...Ka5
        3.Bc3#
  - 1...Kd5
    - 2.Qd3+
      - 2...Kc5
        3.Qd4#
      - 2...Ke6
        3.Qd7#
  - 1...Kd6
    - 2.Qf6+
      - 2...Kc5
        3.Qd4#
      - 2...Kd5
        3.Qe5#
  - 1...Sxc6
    - 2.Kc7
      - threat
        3.Qc4#
        3.Qb5#
      - 2...Kb4
        3.Qb5#
      - 2...Kd5
        3.Qc4#
  - 1...Sb5
    - 2.Qxb5+
      - 2...Kd6
        3.Qe5#
  - 1...Sc8
    - 2.Qb5+
      - 2...Kd6
        3.Qe5#

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