411 REFERENCE · Wiktionary
0-0-0
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
000 ooo
Translingual
Alternative forms
mul O-O-O
Symbol
mul chess queenside castling
en mul 2023 Laws of Chess https://rcc.fide.com/wp-content/uploads/2022/12/20230101Laws-of-Chess.pdf 2022 23 w:FIDE 1.e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd4 d5 6. exd6 e.p. Nxd6 7. Bg5 Nc6 8. Qe3+ Be7 9. Nbd2 0-0 10. 0-0-0 Re8 11. Kb1 (=) https://web.archive.org/web/20250316122506/https://rcc.fide.com/wp-content/uploads/2022/12/20230101Laws-of-Chess.pdf 16 March 2025 12 June 2025
See also
mul 0-0
Algebraic chess notation Wikipedia article on algebraic chess notation