Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=3080
{ "count": 59757, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3081", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3079", "results": [ { "id": 88343, "name": "13x13 beginners - débutants", "director": { "id": 1103517, "username": "aosagileheron", "country": "fr", "icon": "https://user-uploads.online-go.com/4f14f3dfb4a0d7843ee7e60d9f73aa13-64.png", "ratings": { "version": 5, "overall": { "rating": 727.9230942449018, "deviation": 77.15653603163621, "volatility": 0.05999185159278845 } }, "ranking": 7.565353796817636, "professional": false, "ui_class": "" }, "description": "Small tournament to take our first steps together", "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", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17980, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2022-04-09T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-09T13:00:14.787206Z", "ended": "2022-07-03T09:05:37.666682Z", "start_waiting": "2022-04-09T13:00:14.625803Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 1619, "name": "kiberov's mini-tournament", "director": { "id": 40202, "username": "kiberov", "country": "hu", "icon": "https://secure.gravatar.com/avatar/7ee64f6d88c757ff309bcc0084c4b18a?s=64&d=retro", 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"2014-12-20T06:27:45.234995Z", "last_run": "2026-05-26T11:00:16.646506Z", "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": "2026-05-26T15:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "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": "2023-06-23T07:30:27.203725Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-06-23T07:31:27.384650Z", "ended": "2023-06-23T08:16:16.254253Z", "start_waiting": "2023-06-23T07:31:27.234308Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 100959, "name": "Blitz 13x13 Swiss Tournament 2023-03-10 15:30", "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, 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"is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-03-10T15:30:26.141335Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-03-10T15:30:27.452487Z", "ended": "2023-03-10T16:09:39.305580Z", "start_waiting": "2023-03-10T15:30:27.263675Z", "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": 38006, "name": "Blitz 13x13 Swiss Tournament 2018-06-09 15:30", "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:20260526T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-26T11:00:16.646506Z", "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": "2026-05-26T15:00:00Z", "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": "2018-06-09T15:30:32.730916Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-06-09T15:31:35.222300Z", "ended": "2018-06-09T16:21:17.957861Z", "start_waiting": "2018-06-09T15:31:34.658794Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 50, "name": "First 13 x 13 tournament!", "director": { "id": 299, "username": "topazg", "country": "gb", "icon": "https://secure.gravatar.com/avatar/1756a59b7c7f129f6f466643f4c91531?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1936.5830823213464, "deviation": 67.49437695302689, "volatility": 0.059949644999275783 } }, "ranking": 30.21728151286431, "professional": false, "ui_class": "supporter" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 432000, "time_control_parameters": { "time_control": "simple", "per_move": 432000 }, "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": "2005-12-02T22:10:00Z", "ended": "2006-03-04T16:15:00Z", "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": 1065, "name": "2nd annual OGS open", "director": { "id": 29698, "username": "jobbob245", "country": "us", "icon": "https://secure.gravatar.com/avatar/20912d55780c93bb66b8b9477b5c37d1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1338.05506261425, "deviation": 72.43903673204956, "volatility": 0.06000638321309588 } }, "ranking": 21.658541113556804, "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": 19, "analysis_enabled": false, "exclusivity": "open", "started": "2010-03-02T17:32:51Z", "ended": "2010-03-02T16:32:51Z", "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": 9551, "name": "Correspondence 13x13 RoundRobin 2015-08-01 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 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"group_size": "3", "maximum_players": 10 }, "next_run": "2026-05-28T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "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": "2015-08-01T01:00:37.577856Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-01T01:00:59.333765Z", "ended": "2015-10-10T01:32:25.992025Z", "start_waiting": "2015-08-01T01:00:58.575582Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 22296, "name": "GCL 2: McMahon 13s", "director": { "id": 303589, "username": "Canada1867", "country": "ca", "icon": "https://secure.gravatar.com/avatar/0a77206015cf9e4c151ac777d1636656?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 924.8037735661408, "deviation": 68.06902899701008, "volatility": 0.06000502011404481 } }, "ranking": 13.10714375918142, "professional": false, "ui_class": "" }, "description": "Start the new year off right with a 13x13 tournament (and the next one too, seeing how long these things take)...", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 47040, "time_control_parameters": { "time_control": "canadian", "period_time": 604800, "main_time": 1209600, "stones_per_period": 18 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1137, "name": "Go Championship League", "summary": "A Canadian Based Championship League", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, 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