Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-time_start&page=3385
{ "count": 59478, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=3386", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-time_start&page=3384", "results": [ { "id": 69983, "name": "Live 9x9 Double Elimination Tournament 2021-01-11 06:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260226T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-26T10:00:22.323657Z", 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"2021-01-10T22:30:13.464326Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 69742, "name": "Torneio 1 de 2021", "director": { "id": 71636, "username": "riemsdijk", "country": "br", "icon": "https://user-uploads.online-go.com/da901711d8fc89260b88e89b54d973a2-64.png", "ratings": { "version": 5, "overall": { "rating": 2090.7587878762934, "deviation": 107.7162501054069, "volatility": 0.06007508560034665 } }, "ranking": 31.990616287133697, "professional": false, "ui_class": "" }, "description": "Torneio para que as partidas utilizadas em aula depois.\nCaso o torneio tenha 10 ou mais jogadores, será realizado o sorteio de uma review offline de partida; caso tenha 15 ou mais jogadores também será realizado o sorteio de uma partida guiada; caso tenha 20 ou mais jogadores será realizado o sorteio de uma aula particular.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 8, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 5, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3811, "name": "Aulas de Go com FHvR", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 40, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-01-10T21:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-10T21:00:10.471750Z", "ended": "2021-01-10T22:54:19.475929Z", "start_waiting": "2021-01-10T21:00:09.981742Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 69270, "name": "Oza Treizes Title Tournament 2021", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1995.719624534026, "deviation": 68.02965633278002, "volatility": 0.06015733969046198 } }, "ranking": 30.913623719446058, "professional": false, "ui_class": "supporter" }, "description": "Oza Treizes Title Tournament 2021\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/'>Sadaharu [Treizes Oza] x3</a>\n\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='http://i.imgur.com/kVzSrke.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='http://i.imgur.com/ta7bMkV.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='http://i.imgur.com/HtQoWtV.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/9743'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>hiryuu (4k)</td>\n\t<td>mark5000 (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20807'>2017</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>4-1</td>\n\t<td>Winterfell</td>\n\t<td><b>Winterfell (5d)</b></td>\n\t<td>tupelo (3d)</td>\n\t<td>gogop2016 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/31472'>2018</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0</td>\n\t<td>Baklan</td>\n\t<td><b>Baklan (7d)</b></td>\n\t<td>Sadaharu (9d+)</td>\n\t<td>micky0427 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43367'>2019</a></td>\n\t<td></td>\n\t<td>TBA</td>\n\t<td></td>\n\t<td><b>Sadaharu [8d]</b></td>\n\t<td>Utaha [1d]</td>\n\t<td>hokaw [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/54435'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 2</td>\n\t<td></td>\n</tr>\n</table>\n\nNotes:\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? 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