Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4710
{ "count": 59260, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4711", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4709", "results": [ { "id": 313, "name": "JOPE's mini-tournament", "director": { "id": 2129, "username": "JOPE", "country": "fr", "icon": "https://secure.gravatar.com/avatar/347bbb7ad29cf07878883be52243b5be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1234.0298266025509, "deviation": 66.91373322392494, "volatility": 0.05997438565008061 } }, "ranking": 19.78496489854528, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "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": "2007-09-03T10:21:00Z", "ended": "2007-11-30T17:03:00Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 312, "name": "Teen kyus who like fast games", "director": { "id": 13828, "username": "logoskaiagape", "country": "se", "icon": "https://secure.gravatar.com/avatar/7adfd867f1e220da9ff5158f163456ce?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1576.2518808043176, "deviation": 64.71351673100779, "volatility": 0.05998213229895993 } }, "ranking": 25.451267834414388, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "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": 383, "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": 9, "max_ranking": 19, "analysis_enabled": false, "exclusivity": "open", "started": "2007-09-02T19:01:00Z", "ended": "2008-01-02T17:01:00Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 311, "name": "goramay's mini-tournament", "director": { "id": 13471, "username": "goramay", "country": "us", "icon": "https://secure.gravatar.com/avatar/aa514642a4a5cdf1361fe3761e13d716?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1438.1292428417835, "deviation": 77.54193533314309, "volatility": 0.0599831164902528 } }, "ranking": 23.328258436687953, "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": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "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": "2007-08-29T21:53:00Z", "ended": "2007-10-25T20:06:00Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2980, "name": "SDK only", "director": { "id": 13250, "username": "Bentaye", "country": "fr", "icon": "https://user-uploads.online-go.com/e634650be997711b90d7163415d61eb1-64.png", "ratings": { "version": 5, "overall": { "rating": 1808.098042488414, "deviation": 63.79466767567506, "volatility": 0.05984361810153658 } }, "ranking": 28.62804246598684, "professional": false, "ui_class": "" }, "description": "SDK - Japanese - 19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8865, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2014-07-03T07:46:04.036178Z", "ended": "2014-07-30T14:44:53.873857Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 0, "ranked": true }, { "id": 2975, "name": "Juli 2014 13x13 Beginners", "director": { "id": 54649, "username": "ludischmidt", "country": "de", "icon": "https://secure.gravatar.com/avatar/4e32ed3c6f058f63893dbb2827984c0a?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1551.28074215565, "deviation": 61.93314193322985, "volatility": 0.05955477930348215 } }, "ranking": 25.081587185855433, "professional": false, "ui_class": "" }, "description": "Beginnt am 1. Juli 2014", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 28800, "time_control_parameters": { "total_time": 2592000, "time_control": "absolute" }, "is_open": true, "exclude_provisional": false, "group": { "id": 23, "name": "German Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 357, "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": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2014-07-01T09:07:21.713138Z", "ended": "2014-08-07T14:03:09.931408Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 37875, "name": "Blitz 13x13 Swiss Tournament 2018-06-04 19:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260408T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-04-08T03:00:18.730137Z", "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": "2026-04-08T07:00:00Z", "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": "2018-06-04T19:30:42.679079Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-06-04T19:30:45.351046Z", "ended": "2018-06-04T20:34:45.772917Z", "start_waiting": "2018-06-04T19:30:44.667167Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 9, "ranked": true }, { "id": 58410, "name": "Live 19x19 Swiss Tournament 2020-04-03 08:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260408T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-04-08T04:00:18.724703Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "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": "2026-04-08T08:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-04-03T08:30:40.135013Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-03T08:30:42.379344Z", "ended": "2020-04-03T11:08:34.676233Z", "start_waiting": "2020-04-03T08:30:41.279392Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 310, "name": "Nzeropheonix's mini-tournament", "director": { "id": 8844, "username": "Nzeropheonix", "country": "un", "icon": "https://secure.gravatar.com/avatar/47bcef38ba12c2bd78e1629f95609560?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1498.0312709420548, "deviation": 66.62056235135765, "volatility": 0.05997199605845121 } }, "ranking": 24.272978173564297, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 604800, "time_control_parameters": { "time_control": "simple", "per_move": 604800 }, "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": 383, "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": "2007-08-28T13:07:00Z", "ended": "2007-10-20T12:06:00Z", "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": 309, "name": "yin-yang20's mini-tournament", "director": { "id": 8575, "username": "yin-yang20", "country": "us", "icon": "https://secure.gravatar.com/avatar/9b83db2d80bca5d5f915122791b1205d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1394.466861975347, "deviation": 119.772669442276, "volatility": 0.05999190791942563 } }, "ranking": 22.614521535979435, "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": 383, "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": "2007-08-26T17:42:00Z", "ended": "2007-10-18T22:26:00Z", "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": 308, "name": "fast small Chinese 9x9", "director": { "id": 7781, "username": "ThornsFan", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png", "ratings": { "version": 5, "overall": { "rating": 1326.9484859447628, "deviation": 62.41508550443843, "volatility": 0.05974564346244173 } }, "ranking": 21.4655817168294, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 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": 383, "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": 14, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "open", "started": "2007-08-26T06:30:00Z", "ended": "2007-09-23T17:00:00Z", "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 } ] }
