Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=3407
{ "count": 61008, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3408", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3406", "results": [ { "id": 18850, "name": "Blitz 13x13 Swiss Tournament 2016-07-08 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:20260912T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T07:00:36.204789Z", "lead_time_seconds": 1800, 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"DTSTART:20260912T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T07:00:36.204789Z", "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": "2026-09-12T11:00:00Z", "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": "2022-09-25T11:30:40.034831Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-09-25T11:30:41.409209Z", "ended": "2022-09-25T12:06:59.981801Z", "start_waiting": "2022-09-25T11:30:41.259972Z", "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": 127203, "name": "Blitz 13x13 Swiss Tournament 2025-04-06 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 Site-wide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260912T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T07:00:36.204789Z", "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": "2026-09-12T11:00:00Z", "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": "2025-04-06T19:30:14.568235Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-04-06T19:31:14.037303Z", "ended": "2025-04-06T20:04:46.756268Z", "start_waiting": "2025-04-06T19:31:13.939697Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 85419, "name": "Blitz 13x13 Swiss Tournament 2022-01-28 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:20260912T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T07:00:36.204789Z", "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": "2026-09-12T11:00:00Z", "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": "2022-01-28T23:30:54.830366Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-28T23:30:56.305105Z", "ended": "2022-01-29T00:07:44.919391Z", "start_waiting": "2022-01-28T23:30:56.144081Z", "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": 78899, "name": "XIII. SAP Hungary körverseny 🥊", "director": { "id": 34673, "username": "palzol", "country": "hu", "icon": "https://user-uploads.online-go.com/1e924ed958a88f964237b0b8b384af1e-64.png", "ratings": { "version": 5, "overall": { "rating": 1797.2603134610783, "deviation": 61.69211885287227, "volatility": 0.059986055952751006 } }, "ranking": 28.488863966701214, "professional": false, "ui_class": "supporter" }, "description": "Üzsd, vágd, tezsvír!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 46080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 43200, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3827, "name": "SAP Hungary", "summary": "Closed group for employees of SAP Hungary Kft", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://user-uploads.online-go.com/1fe4ee3cf331b85fad45b900586f5610-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-23T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-08-23T08:00:56.684090Z", "ended": "2021-10-19T22:51:48.906169Z", "start_waiting": "2021-08-23T08:00:56.352852Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/1fe4ee3cf331b85fad45b900586f5610-15.png", "player_count": 5, "ranked": true }, { "id": 103490, "name": "Mid-Speed Open (13, L3) #2", "director": { "id": 1303195, "username": "eaglejoy", "country": "001", "icon": "https://user-uploads.online-go.com/d4b7c1948ffe6ed5f80f075d40a13547-64.png", "ratings": { "version": 5, "overall": { "rating": 1814.5278273894323, "deviation": 67.29577928717005, "volatility": 0.05999029476123887 } }, "ranking": 28.710220246475455, "professional": false, "ui_class": "" }, "description": "Note: The min. speed is equivalent to “<strong>1 or 2 move</strong> per calendar day per player”.\n\n<h2>Rules</h2>\n\n<ul>\n\n<li>More than 10 percents time-out rate in correspondence games is not allowed.</li>\n\n<li>Pausing or Vacation setting is absolutely forbidden</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:16px;\">(click to see or hide)</span></summary>\n\n<h3>Attention</h3>\n\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n</details>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 44661, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 86400, "period_time": 86400, "stones_per_period": 2 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12936, "name": "Mid-speed", "summary": "Middle speed matches, not so hurry, not so slow.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png" }, "auto_start_on_max": true, "time_start": "2023-05-28T10:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 24, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-05-28T08:40:46.788977Z", "ended": "2023-06-07T11:39:23.175518Z", "start_waiting": "2023-05-28T08:40:46.606448Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png", "player_count": 6, "ranked": true }, { "id": 138590, "name": "World Star Monthly Match (March 2026)", "director": { "id": 481094, "username": "Danny Ling", "country": "my", "icon": "https://secure.gravatar.com/avatar/791e2af274d259b097e01771c6f5f061?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1934.3930537907763, "deviation": 62.49917012555835, "volatility": 0.059960335396418436 } }, "ranking": 30.19108700062282, "professional": false, "ui_class": "" }, "description": "Hello everyone, Let’s have a friendly match within the members in this group!!! Everyone is welcome to join. Hope everyone will enjoy the joy of the game! Good luck.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 12, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 300, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14930, "name": "World Star Go Academy Group", "summary": "“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 62, "icon": "https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-64.png" }, "auto_start_on_max": false, "time_start": "2026-03-28T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2026-03-28T11:00:10.269573Z", "ended": "2026-03-28T11:34:10.220105Z", "start_waiting": "2026-03-28T11:00:10.018983Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-15.png", "player_count": 6, "ranked": true }, { "id": 77562, "name": "Ghugjghg", "director": { "id": 1023179, "username": "SCPS4C32", "country": "un", "icon": "https://secure.gravatar.com/avatar/2e30910fc59216df3cac4a478f30d2fe?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1322.0547997579179, "deviation": 101.76596823108673, "volatility": 0.060006580521440825 } }, "ranking": 21.38004844119061, "professional": false, "ui_class": "" }, "description": "He,manhunts", "schedule": null, "title": null, "tournament_type": "elimination", "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": 9683, "name": "mini3424", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-15T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-16T19:37:48.944873Z", "ended": "2021-08-12T13:43:05.308063Z", "start_waiting": "2021-07-16T19:37:48.844126Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 15284, "name": "Blitz 13x13 Swiss Tournament 2016-02-27 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:20260912T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-09-12T07:00:36.204789Z", "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": "2026-09-12T11:00:00Z", "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": "2016-02-27T19:30:45.402052Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-02-27T19:30:47.043062Z", "ended": "2016-02-27T20:13:59.300216Z", "start_waiting": "2016-02-27T19:30:46.885786Z", "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": 133967, "name": "13x13 Mini League 10k-25k #31", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-11-14T18:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-11-10T01:27:51.397091Z", "ended": "2026-02-12T10:36:09.044235Z", "start_waiting": "2025-11-10T01:27:51.185603Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true } ] }
