How do you say these chess terms in your language?

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toml

Trying to do some translation and for technical or domain specific knowledge - googleTranslate can not be trusted. So i'm turning to you chess.com friends, to ask how you translate these chess terms: 
1 Castling
2. Chess Clock
3. Skewer
4. Fork
5. Pin

in these languages specifically (but open to others!)
a. French
b. German
c. Polish
d. Italian
e. Spanish

Thanks.

sandresco

1. L’arrocco

2. L’orologio (per scacchi)

3. L’infilata

4. La forchetta

5. L’inchiodatura