Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3968
{ "count": 59124, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3969", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=3967", "results": [ { "id": 91622, "name": "Summer DDKation 19x19", "director": { "id": 1164695, "username": "Guy Mulford", "country": "us", "icon": "https://user-uploads.online-go.com/5cb2530df2b32aef8bd63989615c3485-64.png", "ratings": { "version": 5, "overall": { "rating": 1325.8533489063238, "deviation": 66.09423486902527, "volatility": 0.059976664203276464 } }, "ranking": 21.446468020851807, "professional": false, "ui_class": "" }, "description": "Provisional friendly, DDK only. Several moves per day. 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"ended": "2021-04-23T02:30:53.125167Z", "start_waiting": "2021-04-23T02:24:23.070966Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 72259, "name": "3月6日 覃晉謙VS楊正", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "3月6日 覃晉謙VS楊正", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 15, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-03-06T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-03-06T05:11:12.959904Z", "ended": "2021-03-06T05:37:38.052241Z", "start_waiting": "2021-03-06T05:11:12.887715Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 71618, "name": "Blitz 19x19 Elimination Tournament 2021-02-19 09:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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71688, "name": "Live 9x9 Double Elimination Tournament 2021-02-20 22:30", "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:20260121T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-01-21T14:00:04.070261Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, 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"active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 76272, "name": "Tournament xre2", "director": { "id": 1011455, "username": "That tournament", "country": "un", "icon": "https://secure.gravatar.com/avatar/5d0f097c92cbc973c507af7e2570c00b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1062.635598034288, "deviation": 81.04891348648117, "volatility": 0.05996176180426066 } }, "ranking": 16.32327917785796, "professional": false, "ui_class": "" }, "description": "There free tournemant medals", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 25 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9442, "name": "Impire To Die.", "summary": "Death Street", "require_invitation": 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