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Problem Display

PID: 256697 (1b6/p4p2/Rp1k1B2/1BpN1P2/2K5/8/8/8 w - - 0 1)

Ivanic, Petar

Problem (Zagreb), 1954

1b6/p4p2/Rp1k1B2/1BpN1P2/2K5/8/8/8

#3

6 + 6

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Bc7
  - 2.Rxa7
    - 2...Bb8
      - 3.Rd7#
    - 2...Bd8
      - 3.Rd7#
Tries
- 1.Kd3?
  - threat
    - 2.Ke4
      - threat
        3.Be5#
        3.Be7#
  - 1...c4+
    - 2.Kd4
      - threat
        3.Be5#
        3.Be7#
  - 1...Kxd5!
- 1.Sc3?
  - 1...Bc7
    - 2.Se4#
  - 1...Kc7!
- 1.Se3?
  - 1...Bc7
    - 2.Rxa7
      - 2...Bb8
        3.Rd7#
      - 2...Bd8
        3.Rd7#
  - 1...Kc7!
- 1.Sf4?
  - 1...Bc7
    - 2.Rxa7
      - 2...Bb8
        3.Rd7#
      - 2...Bd8
        3.Rd7#
  - 1...Kc7!
- 1.Sc7?
  - threat
    - 2.Se8#
  - 1...Bxc7
    - 2.Rxa7
      - 2...Bb8
        3.Rd7#
      - 2...Bd8
        3.Rd7#
  - 1...Kxc7!
- 1.Se7?
  - 1...Bc7
    - 2.Sc8#
  - 1...Kc7!
- 1.Rxa7?
  - threat
    - 2.Rd7#
  - 1...Bc7
    - 2.Sc3
      - threat
        3.Se4#
    - 2.Se3
      - 2...Bb8
        3.Rd7#
      - 2...Bd8
        3.Rd7#
    - 2.Sf4
      - 2...Bb8
        3.Rd7#
      - 2...Bd8
        3.Rd7#
    - 2.Sxb6
      - threat
        3.Sc8#
      - 2...Bxb6
        3.Rd7#
    - 2.Se7
      - threat
        3.Sc8#
    - 2.Rb7
      - 2...Bb8
        3.Rxb6#
        3.Rd7#
      - 2...Bd8
        3.Rd7#
  - 1...Bxa7!
Keys
- 1.Be8!
  - 1...Bc7
    - 2.Sc3
      - threat
        3.Se4#
        3.Sb5#

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