Xuanxuan Qijing Problem 222 / Attempts

unkx80: This is my attempt... I don't think I will ever find this in a game.

[Diagram]

Variation 1

[Diagram]

Variation 1

[Diagram]

Variation 2

[Diagram]

Variation 3

[Diagram]

Variation 3 (B4 at white+circle)

[Diagram]

Variation 3

[Diagram]

Variation 4

[Diagram]

Variation 4 (B4 at white+circle)

tderz: aarrgh, puzzling for days (only looking at the diagram during coffee breaks),
didn't see the necessity of B6 in my head. Saw all variants, but stopped at Variant 4, B10.
It's so astonishing that the problems differ quite much in difficulty while being arranged one after the other.


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