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Problem Display

PID: 246917 (8/4p1p1/3pP2k/3PBBpr/p1P3pr/1p4Qp/P2K4/8 w - - 0 1)

Popandopulo, Avenir Nikolaevich

1st Comm., Shakhmaty v SSSR, 1957

8/4p1p1/3pP2k/3PBBpr/p1P3pr/1p4Qp/P2K4/8

#4

8 + 11

6490	yacpdb	2021

SOLUTION

SOUND
Keys
- 1.Bd4!
  - threat
    - 2.Qc3
      - threat
        3.Bxg7#
      - 2...g6
        3.Bh8
        threat
        4.Qg7#
        3...Kh7
        4.Qg7#
  - 1...bxa2
    - 2.Ba1
      - threat
        3.Qc3
        threat
        4.Qxg7#
        3...g6
        4.Qg7#
        4.Qh8#
      - 2...g6
        3.Qc3
        threat
        4.Qg7#
        4.Qh8#
        3...Kh7
        4.Qg7#
        4.Qh8#
  - 1...g6
    - 2.Bb2
      - threat
        3.Qc3
        threat
        4.Qg7#
        4.Qh8#
        3...Kh7
        4.Qg7#
        4.Qh8#
      - 2...Kh7
        3.Qc3
        threat
        4.Qg7#
        4.Qh8#
        3...Kh6
        4.Qg7#
        4.Qh8#
        3...Kg8
        4.Qg7#
      - 2...gxf5
        3.Qc3
        threat
        4.Qg7#
        3...Kg6
        4.Qg7#
        3...Kh7
        4.Qg7#
  - 1...b2
    - 2.Bb1
      - threat
        3.Qd3
        threat
        4.Qg6#
        4.Qh7#
        3...g6
        4.Qxg6#
      - 2...g6
        3.Qd3
        threat
        4.Qxg6#
        3...Kh7
        4.Qxg6#

FEATURES

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