Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-players_start&page=356
{ "count": 60201, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=357", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-players_start&page=355", "results": [ { "id": 14581, "name": "Monthly Simultaneous McMahon 2016-02-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-07-01T17:00:17.531176Z", "lead_time_seconds": 1296000, 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"time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-10-16T17:00:12.523924Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-10-16T17:00:50.414868Z", "ended": "2020-04-02T13:17:05.984784Z", "start_waiting": "2018-10-16T17:00:30.052946Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 74, "ranked": true }, { "id": 75832, "name": "Monthly Simultaneous McMahon 2021-06-16 17:00", "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 } }, 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"subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-08-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "pause_on_weekends": true, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-06-16T17:00:20.559809Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-06-16T17:01:38.590596Z", "ended": "2019-05-11T18:33:02.798223Z", "start_waiting": "2017-06-16T17:01:04.124610Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 123, "ranked": true }, { "id": 13436, "name": "Correspondence Weekly McMahon 19x19 2015-12-26 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-06T17:00:18.211512Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { 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"max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-12-26T17:00:38.563161Z", "ended": "2020-09-15T19:47:16.400559Z", "start_waiting": "2015-12-26T17:00:37.638159Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 60, "ranked": true }, { "id": 135382, "name": "Torneig Nadal", "director": { "id": 1096827, "username": "rusben", "country": "un", "icon": "https://secure.gravatar.com/avatar/2d5b3343c617b01accde2daf1bde3854?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1732.2318898313797, "deviation": 80.60963625664145, "volatility": 0.06007908216243982 } }, "ranking": 27.635722327987764, "professional": false, "ui_class": "" }, "description": "Torneig Nadal", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15986, "name": "2SMXB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-12-15T11:00:00Z", "players_start": 50, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-12-15T10:54:15.446742Z", "ended": "2025-12-15T11:47:12.499605Z", "start_waiting": "2025-12-15T10:54:15.161535Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": false }, { "id": 67305, "name": "Monthly Simultaneous McMahon 2020-11-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260701T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-07-01T17:00:17.531176Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-08-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-11-16T17:00:05.904772Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-16T17:00:45.776069Z", "ended": "2021-12-14T19:13:43.222511Z", "start_waiting": "2020-11-16T17:00:32.043663Z", "board_size": 19, "active_round": null, "icon": 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The use of AI is not allowed.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 30168, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 172800, "period_time": 172800, "stones_per_period": 6 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13788, "name": "Just use your brain 🦧", "summary": "A group for players who like to play Go with just their skills (no in-game analysis) and want to train and improve.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 136, "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-64.png" }, "auto_start_on_max": false, "time_start": "2025-10-26T19:00:00Z", "players_start": 50, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2025-10-27T16:39:31.519594Z", "ended": null, "start_waiting": "2025-10-27T16:39:31.007885Z", "board_size": 19, "active_round": 7, "icon": "https://user-uploads.online-go.com/516bbd96baeb702c9fff4dc493ece718-15.png", "player_count": 42, "ranked": true }, { "id": 13822, "name": "Correspondence Weekly McMahon 19x19 2016-01-09 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260706T170000Z\nRRULE:FREQ=WEEKLY", "active": true, 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