Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=17
{ "count": 60428, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=18", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=16", "results": [ { "id": 107544, "name": "ALZ 5", "director": { "id": 371940, "username": "Fabertelli", "country": "br", "icon": "https://user-uploads.online-go.com/b2385f1a102acadea9a7fb7a49dc3d4d-64.png", "ratings": { "version": 5, "overall": { "rating": 1344.3952755434875, "deviation": 66.14559822399715, "volatility": 0.05977984401695895 } }, "ranking": 21.76797553666538, "professional": false, "ui_class": "" }, "description": "Torneio treino 5!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89448, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 86400, "max_time": 172800 }, "is_open": true, 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"start_waiting": "2025-09-19T06:31:20.836017Z", "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": 132557, "name": "Live 9x9 Double Elimination Tournament 2025-09-19 10:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260730T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-07-30T06:00:22.668530Z", "lead_time_seconds": 1800, 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"slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-09-19T10:31:20.789377Z", "ended": "2025-09-19T11:24:06.118849Z", "start_waiting": "2025-09-19T10:31:20.720203Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 132562, "name": "Live 9x9 Double Elimination Tournament 2025-09-19 14:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-09-19T14:30:08.529122Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-09-19T14:31:20.451055Z", "ended": "2025-09-19T15:06:38.714638Z", "start_waiting": "2025-09-19T14:31:20.396350Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 164, "name": "narutofox941's mini-tournament", "director": { "id": 3943, "username": "narutofox941", "country": "us", "icon": "https://secure.gravatar.com/avatar/166ef213d0b712a7760a40b24e964e40?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 992.4255690819426, "deviation": 100.20665567389922, "volatility": 0.06000451524603505 } }, "ranking": 14.740849400221338, "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": "fischer", "initial_time": 259200, "max_time": 864000, "time_increment": 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": 385, "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": "2006-12-10T13:23:00Z", "ended": "2007-04-02T19:21:00Z", "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": 132482, "name": "Go Zodiac Friendship Games Online ราศีกันย์ รุ่น F2 กระดาน 9x9 (ต่ำกว่า 8 คิว)", "director": { "id": 912813, "username": "cp05", "country": "th", "icon": "https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png", "ratings": { "version": 5, "overall": { "rating": 824.4987186600506, "deviation": 187.86352438460568, "volatility": 0.06000382017326623 } }, "ranking": 10.449385081288156, "professional": false, "ui_class": "provisional" }, "description": "แต้มต่อ 6.5 คะแนน", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 300, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10408, "name": 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