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Problem Display

PID: 78688 (1K2b3/7B/1pP1P3/1Q6/P5p1/1PP5/3p4/R1nkn1R1 w - - 0 1)

Sola, Pentti Olavi

HM., Ajan Sana, 1931

1K2b3/7B/1pP1P3/1Q6/P5p1/1PP5/3p4/R1nkn1R1

#3

10 + 7

56	The Problemist	2008

SOLUTION

SOUND
Sets
- 1...Bg6
  - 2.Bxg6
    - 2...g3
      - 3.Qh5#
- 1...Bd7
  - 2.cxd7
    - 2...g3
      - 3.Qh5#
  - 2.exd7
    - 2...g3
      - 3.Qh5#
- 1...Bf7
  - 2.exf7
    - 2...g3
      - 3.Qh5#
Tries
- 1.Bd3?
  - threat
    - 2.Qe5
      - threat
        3.Qe2#
  - 1...Bh5
    - 2.Qe5
      - threat
        3.Qe2#
      - 2...g3
        3.Qxh5#
    - 2.Qxh5
      - 2...b5
        3.Qxg4#
  - 1...Bg6
    - 2.Bxg6
      - 2...g3
        3.Qh5#
  - 1...g3
    - 2.Qe5
      - threat
        3.Qe2#
      - 2...Bh5
        3.Qxh5#
  - 1...Bxc6!
- 1.Qc4?
  - threat
    - 2.Qxg4#
  - 1...Bxc6
    - 2.Qxg4+
      - 2...Bf3
        3.Qxf3#
  - 1...Bg6
    - 2.Bxg6
      - threat
        3.Qxg4#
      - 2...g3
        3.Qg4#
  - 1...Bh5!
Keys
- 1.Bb1!
  - threat
    - 2.Qd3
      - threat
        3.Bc2#
      - 2...Sxd3
        3.Bxd3#
  - 1...Sxb3
    - 2.Bd3+
      - 2...Sxa1
        3.Qb1#
      - 2...Sc1
        3.Qb3#
  - 1...Sa2
    - 2.Qd3
      - threat
        3.Bxa2#
        3.Bc2#
      - 2...Kc1
        3.Qc2#
  - 1...Se2
    - 2.Qd3
      - threat
        3.Bc2#
        3.Qc2#
      - 2...Kc1
        3.Qc2#
  - 1...Bg6
    - 2.Bxg6
      - 2...g3
        3.Qh5#

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