Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4766
{ "count": 60386, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4767", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=4765", "results": [ { "id": 107, "name": "holywarrior's tournament of the mighty", "director": { "id": 2888, "username": "holywarrior", "country": "us", "icon": "https://secure.gravatar.com/avatar/281065e5a9c2a99ec2908564c4abcbf4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1562.5212201311695, "deviation": 64.26190143848615, "volatility": 0.06003171395128944 } }, "ranking": 25.24872575061682, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 172800 }, "is_open": true, 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"https://secure.gravatar.com/avatar/9f6fa11b5aad801bf5fd98d7db49deb6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1121.3063779590157, "deviation": 67.18890828919045, "volatility": 0.060005174085340174 } }, "ranking": 17.567410624481948, "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": 432000, "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, 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"https://user-uploads.online-go.com/586e20fe90e3a28268917e9b207ee33c-15.png", "player_count": 19, "ranked": true }, { "id": 1940, "name": "Ashpaugh's mini-tournament", "director": { "id": 43824, "username": "Ashpaugh", "country": "un", "icon": "https://secure.gravatar.com/avatar/cdbc970c72009339c3315eb6b25396b2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1182.1752027389764, "deviation": 154.56647393990858, "volatility": 0.06000845205366298 } }, "ranking": 18.79115942383283, "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": 604800, "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": 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"base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": "2017-04-29T17:00:36.543058Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-04-29T18:58:35.551618Z", "ended": "2018-09-28T04:06:54.495565Z", "start_waiting": "2017-04-29T18:58:04.734882Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 86, "ranked": true }, { "id": 35724, "name": "Blitz 13x13 Swiss Tournament 2018-03-24 19:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260726T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-26T19:00:53.363503Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-07-26T23:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-03-24T19:30:33.108322Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-03-24T19:30:35.845586Z", "ended": "2018-03-24T20:13:15.252965Z", "start_waiting": "2018-03-24T19:30:34.883937Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 36148, "name": "Blitz 13x13 Swiss Tournament 2018-04-07 23:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260726T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-07-26T19:00:53.363503Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-07-26T23:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-04-07T23:30:38.427973Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-04-07T23:30:41.239164Z", "ended": "2018-04-08T00:25:19.133597Z", "start_waiting": "2018-04-07T23:30:40.383852Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 28843, "name": "Correspondence Weekly McMahon 19x19 2017-07-29 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:20260720T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-07-20T17:00:49.227157Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 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"Artyss", "country": "zz", "icon": "https://user-uploads.online-go.com/0d44caa24a6e1c7faf2a6b5ec37380b6-64.png", "ratings": { "version": 5, "overall": { "rating": 957.804802452101, "deviation": 63.31742226608236, "volatility": 0.06008183857518713 } }, "ranking": 13.918838865931805, "professional": false, "ui_class": "" }, "description": "Tournoi Lent Mensuel pour joueurs moyens. (A) \n\nMerci de jouer vos parties en une semaine ! \nPlease play your games in one week ! \nHave fun playing with someone of similar rank, using handicap to equalize the difference! This one is 19x19.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "aga", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12392, "name": "Kantai - Charente-Maritime", "summary": "Bienvenue sur le site du Kantai — Club de go de Charente-Maritime\n\nNous nous réunissons régulièrement pour jouer au Go, initier de nouvelles personnes et partager notre passion de ce jeu millénaire sur Rochefort, La Rochelle mais également Genouillé. Nous ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 38, "icon": "https://user-uploads.online-go.com/7869db3c7d93ddb0d3f75b4453108815-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-04T19:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 19, "analysis_enabled": false, "exclusivity": "open", "started": "2023-09-04T19:00:11.607938Z", "ended": "2024-06-19T12:52:30.821652Z", "start_waiting": "2023-09-04T19:00:11.375650Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7869db3c7d93ddb0d3f75b4453108815-15.png", "player_count": 16, "ranked": true } ] }
