Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=367
{ "count": 59557, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=368", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=366", "results": [ { "id": 65877, "name": "Correspondence 19x19 RoundRobin 2020-09-26 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260503T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-05-03T19:00:48.974165Z", 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"2020-09-26T19:00:31.193480Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-09-26T19:01:33.486863Z", "ended": "2020-12-11T00:26:38.016801Z", "start_waiting": "2020-09-26T19:01:31.154936Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 111789, "name": "Round 2: Meredith vs Paul", "director": { "id": 1460501, "username": "caitnichols", "country": "un", "icon": "https://secure.gravatar.com/avatar/2d45010ae3a796549255f365b1a4bb11?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Round 2: Meredith vs Paul", "schedule": null, "title": null, "tournament_type": 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 66787, "name": "第1回囲碁が強くなる会リーグ戦", "director": { "id": 747721, "username": "Hayatyan", "country": "jp", "icon": "https://user-uploads.online-go.com/6df180d3c398999dd6e22f42337c182c-64.png", "ratings": { "version": 5, "overall": { "rating": 1803.5150999748641, "deviation": 74.54569070298652, "volatility": 0.06005903177714745 } }, "ranking": 28.569290228718142, "professional": false, "ui_class": "" }, "description": "第1回囲碁が強くなる会リーグ戦", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6226, "name": "囲碁が強くなる会", "summary": "囲碁が強くなりたい方のための同好会です。", 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"tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-09-25T19:00:30.342208Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-25T19:00:31.071326Z", "ended": "2023-11-02T17:59:21.408009Z", "start_waiting": "2023-09-25T19:00:30.787327Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 116994, "name": "2024 Summer Lviv Tournament 19x19", "director": { "id": 614849, "username": "fademara", "country": "ua", "icon": 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