Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=5982
{ "count": 59890, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5983", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5981", "results": [ { "id": 108822, "name": "Live 9x9 Double Elimination Tournament 2023-10-24 22:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?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:20260611T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-06-11T14:00:18.878261Z", 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"start_waiting": "2023-10-25T14:31:35.997100Z", "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": 1805, "name": "popu's mini-tournament", "director": { "id": 32766, "username": "popu", "country": "un", "icon": "https://secure.gravatar.com/avatar/a53af633e37b3c8e25511273759d8319?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1385.247014416486, "deviation": 127.8303007812032, "volatility": 0.060024339531174475 } }, "ranking": 22.460951590874405, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 384, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-04-28T13:00:35Z", "ended": "2012-04-28T11:00:35Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 84503, "name": "tournament 9️⃣", "director": { "id": 802455, "username": "royz", "country": "au", "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png", "ratings": { "version": 5, "overall": { "rating": 1052.1310274249, "deviation": 62.60253870008884, "volatility": 0.06006769076422171 } }, "ranking": 16.093293696950248, "professional": false, "ui_class": "" }, "description": "20222222222222222222222222222222222222222222222222222222222", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "nz", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 432000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7025, "name": "the good go group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-64.png" }, "auto_start_on_max": true, "time_start": "2022-01-12T08:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-12T08:00:23.624538Z", "ended": "2022-04-09T08:48:15.281360Z", "start_waiting": "2022-01-12T08:00:23.238790Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/2c20aac852f3dd4c0a78277b8fcbddfc-15.png", "player_count": 8, "ranked": true }, { "id": 105522, "name": "9x9 Open D.E. Cup #88", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1336.2097301293136, "deviation": 70.7085945980447, "volatility": 0.060211746021122135 } }, "ranking": 21.626592554145315, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. 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