Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4251
{ "count": 59688, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4252", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=4250", "results": [ { "id": 79771, "name": "สาระRAILs361! 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true, "exclusivity": "open", "started": "2021-08-06T13:55:08.875468Z", "ended": "2021-08-14T04:05:40.102064Z", "start_waiting": "2021-08-06T13:55:08.734481Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 2, "ranked": true }, { "id": 84255, "name": "Hello ro", "director": { "id": 1092986, "username": "考蓬. 我爱汝", "country": "vi", "icon": "https://user-uploads.online-go.com/26e3e0ef44b418ee56f08234ef9de6c2-64.png", "ratings": { "version": 5, "overall": { "rating": 952.4672109508458, "deviation": 65.68819781074589, "volatility": 0.060021777759872594 } }, "ranking": 13.789469264159449, "professional": false, "ui_class": "" }, "description": "Roses go", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 113280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6484, "name": "Top tier AI", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 30, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-12-30T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-30T09:39:14.458953Z", "ended": "2022-02-02T10:34:39.482094Z", "start_waiting": "2021-12-30T09:39:14.407088Z", "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": 78484, "name": "Blitz 19x19 Elimination Tournament 2021-08-06 13:30", "director": { "id": 4, 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"require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 883, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-05T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-06T18:28:21.109412Z", "ended": "2021-08-30T15:21:58.756942Z", "start_waiting": "2021-08-06T18:28:20.944680Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 4, "ranked": true }, { "id": 79268, "name": "School tounament", "director": { "id": 716695, "username": "GroSeigenT", "country": "cz", "icon": "https://secure.gravatar.com/avatar/277ed6f1c5de0844f44c769d385d7fb2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1296.591449232776, "deviation": 66.93535958636359, "volatility": 0.06011093795549732 } }, "ranking": 20.92981951473309, "professional": false, "ui_class": "" }, "description": "This is my school tournament.", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4881, "name": "Karlovarlský OGS tým", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-09-01T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-01T06:00:02.164087Z", "ended": "2021-09-22T14:23:58.635204Z", "start_waiting": "2021-09-01T06:00:02.058356Z", "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": 78505, "name": "zcxzxcxzcvcxvx", "director": { "id": 416489, "username": "Spinaltap", "country": "un", "icon": "https://user-uploads.online-go.com/fed9a5c54980ffee623ebb3db223b5db-64.png", "ratings": { "version": 5, "overall": { "rating": 2132.8293430294343, "deviation": 61.46294249559199, "volatility": 0.06001543856613506 } }, "ranking": 32.451819195331055, "professional": false, "ui_class": "" }, "description": "czvvxngcbfdbfxbfgxfgbx", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9506, "name": "MLCCC", "summary": "Students of Main Line Chinese Culture Center", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 16, "icon": "https://user-uploads.online-go.com/31cd66c5a079813b0cda160187c8bc7f-64.png" }, "auto_start_on_max": true, "time_start": "2021-08-06T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-06T18:52:16.424213Z", "ended": "2021-08-06T19:05:23.810091Z", "start_waiting": "2021-08-06T18:52:16.074722Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/31cd66c5a079813b0cda160187c8bc7f-15.png", "player_count": 4, "ranked": true }, { "id": 101765, "name": "Live 9x9 Double Elimination Tournament 2023-04-01 18:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260519T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-19T02:00:12.793531Z", "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, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-19T06:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-04-01T18:30:08.071972Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-04-01T18:30:09.562286Z", "ended": "2023-04-01T19:47:39.248800Z", "start_waiting": "2023-04-01T18:30:09.323694Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 13, "ranked": true }, { "id": 78512, "name": "Melee 13x13 Tournament: 2021-08-10", "director": { "id": 741522, "username": "wolfmeister", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1209.6169056480942, "deviation": 65.52079638031556, "volatility": 0.06013235595814508 } }, "ranking": 19.32239564406787, "professional": false, "ui_class": "" }, "description": "Play async or live via video. 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