Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4875
{ "count": 59303, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4876", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4874", "results": [ { "id": 333, "name": "Hiroyuki's Mini-Tournament", "director": { "id": 11730, "username": "Hiroyuki", "country": "un", "icon": "https://secure.gravatar.com/avatar/1b923e266e519ac822211434699f3baa?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1036.220184833584, "deviation": 78.67575011076686, "volatility": 0.06000879578292584 } }, "ranking": 15.74053393987467, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 27, "ranked": true }, { "id": 138580, "name": "Correspondence Weekly McMahon 19x19 2026-03-28 17:00", "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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260406T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-04-06T17:00:18.008263Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { 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"players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-04-12T16:31:14.901647Z", "ended": "2025-04-12T17:24:09.684248Z", "start_waiting": "2025-04-12T16:31:14.834179Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 1528, "name": "mpopovic's mini-tournament", "director": { "id": 37933, "username": "mpopovic", "country": "hr", "icon": "https://secure.gravatar.com/avatar/c59d1bc6c43b29901340416006a74980?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1546.5023360922396, "deviation": 66.41188001715417, "volatility": 0.05989258273925003 } }, "ranking": 25.010168248305778, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": 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7, "ranked": true } ] }
