| Tournament Name | 2021 South Island Championship |
| Place | Christchurch |
| Federation | NZL |
| Date Begin | 13/10/2021 |
| Date End | 16/10/2021 |
| Arbiter(s) | IA Craig HALL 4301030 |
| Play System | Single Round Robin |
| Rounds | 7 |
| Score game | 0-0.5-1 |
| Tie break | DirE S-B APRO |
| Registered Players | 7 |
| Number of Federations | 3 |
| Average Rating (all) | 1638 |
| Average Rating (only FIDE rated) | 1912 |
| Players from NZL Federation | 5 |
| Players NOT from NZL Federation | 2 |
| FIDE rated players | 6 |
| unrated players | 1 |
| unrated players from NZL Federation | 1 |
| unrated players NOT from NZL Federation | 0 |
| unrated Federations | 1 |
| FIDE titled players | 2 |
| GM players | 0 |
| WGM players | 0 |
| IM players | 0 |
| WIM players | 0 |
| FM players | 1 |
| WFM players | 0 |
| CM players | 1 |
| WCM players | 0 |
| FIDE titled player from NZL Federation | 1 |
| FIDE titled player NOT from NZL Federation | 1 |