IMPOSSIBLE MOVE

[EdvardsZ]

What happened?

I made a impossible move.

How can we reproduce the bug?

1. Go to this url: https://lichess.org/FLYa3aYs/white#39
2. See move 20.
3. IMPOSSIBLE MOVE

Expected behavior

I should not be able to do that.

Device

Xiaomi POCO X3 NFC

Operating system

Android

App version

v8.0.0

Screenshots

Hello, I played 10 minute game and I think I made a impossible move. I am begginer in chess so I could be wrong.

https://lichess.org/FLYa3aYs/white#39 see move 20.

Additional context

No response

[Joe Stein]

https://lichess.org/learn#/15

[EdvardsZ]

Thanks! I was not aware of this rule.