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Problem Display

PID: 136952 (6bq/3p1p1P/p4Pp1/8/3Bk3/1P2P1pB/K7/3Q4 w - - 0 1)

Ancin, Andrej

Sachove umeni (Ceskoslovensky sach), 1970

6bq/3p1p1P/p4Pp1/8/3Bk3/1P2P1pB/K7/3Q4

#3

8 + 8

14649	Andrej Ancin - Chess Compositions	2008

SOLUTION

SOUND
Sets
- 1...d5
  - 2.Bg4
    - threat
      - 3.Qc2#
      - 3.Qb1#
  - 2.Qc2+
    - 2...Kf3
      - 3.Qg2#
- 1...d6
  - 2.Qc2+
    - 2...Kf3
      - 3.Qg2#
    - 2...Kd5
      - 3.Qg2#
Tries
- 1.Qc2+?
  - 1...Kf3
    - 2.Qg2#
  - 1...Kd5!
- 1.Qb1+?
  - 1...Kf3
    - 2.Qc2
      - threat
        3.Qg2#
      - 2...g2
        3.Qxg2#
    - 2.Qf1+
      - 2...Ke4
        3.Bg2#
  - 1...Kd5!
- 1.Qd3+?
  - 1...Kf3
    - 2.Qf1+
      - 2...Ke4
        3.Bg2#
    - 2.Qc2
      - threat
        3.Qg2#
      - 2...g2
        3.Qxg2#
    - 2.e4+
      - 2...Kf4
        3.Qe3#
  - 1...Kd5
    - 2.Ba7+
      - 2...Ke5
        3.Qd4#
      - 2...Kc6
        3.Qxd7#
  - 1...Kxd3!
Keys
- 1.Bg4!
  - threat
    - 2.Be5
      - threat
        3.Qd4#
      - 2...Kxe3
        3.Qe2#
        3.Qd4#
      - 2...Kxe5
        3.Qd4#
  - 1...Kd5
    - 2.Ba7+
      - 2...Ke4
        3.Qd4#
      - 2...Ke5
        3.Qd4#
      - 2...Kc6
        3.Qxd7#
  - 1...Qxf6
    - 2.Bxf6
      - threat
        3.Qd4#
      - 2...Kxe3
        3.Qd4#
  - 1...Qxh7
    - 2.Bb2
      - threat
        3.Qd4#
      - 2...Kxe3
        3.Qd4#
  - 1...d6
    - 2.Qc2+
      - 2...Kd5
        3.Qg2#

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