Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=4239
{ "count": 60644, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=4240", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=4238", "results": [ { "id": 130435, "name": "oolooloong19 20 à 24 k", "director": { "id": 657233, "username": "oolooloo", "country": "155", "icon": "https://user-uploads.online-go.com/8f41f10dcbb391aafb7f3a83119225ea-64.png", "ratings": { "version": 5, "overall": { "rating": 755.4506042918023, "deviation": 64.03507962766388, "volatility": 0.060099325124744626 } }, "ranking": 8.42465853690908, "professional": false, "ui_class": "supporter" }, "description": "oolooloong19 longue durée 20 à 24 k", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 278347, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 259200, 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"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 143179, "name": "实战复盘班(14/8)", "director": { "id": 155306, "username": "qingxiang96", "country": "my", "icon": "https://user-uploads.online-go.com/475df8480623aaab56b966dcc9d23760-64.png", "ratings": { "version": 5, "overall": { "rating": 1768.402039805556, "deviation": 68.22057457717717, "volatility": 0.059752100417945 } }, "ranking": 28.114132118130385, "professional": false, "ui_class": "" }, "description": "Only for 实战复盘班", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 10, "initial_time": 180, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14930, "name": "World Star Go Academy Group", "summary": "“In Go, you are 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13.435563343186688, "professional": false, "ui_class": "" }, "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 51, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14953, "name": "Kanik", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-10-12T00:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2025-10-12T00:35:35.076057Z", "ended": "2025-10-12T01:06:51.270546Z", "start_waiting": "2025-10-12T00:35:35.024473Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 131835, "name": "Live 9x9 Double Elimination Tournament 2025-08-27 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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"un", "icon": "https://secure.gravatar.com/avatar/6c1584b8f521e9a34fbee42449f876c9?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, "volatility": 0.06 } }, "ranking": 7.000000000000001, "professional": false, "ui_class": "provisional" }, "description": "สอนหมากล้อมนักศึกษา ป.โท PIM ครั้งที่ 2", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "rapid", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15616, "name": "8 คิว ที่รอคอย", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 32, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": 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Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1939, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-64.png" }, "auto_start_on_max": false, "time_start": "2025-08-29T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-29T15:00:29.902544Z", "ended": "2025-08-29T15:27:34.948861Z", "start_waiting": "2025-08-29T15:00:29.812118Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-15.png", "player_count": 4, "ranked": true } ] }