Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=552
{ "count": 59637, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=553", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=551", "results": [ { "id": 39563, "name": "Live 9x9 Double Elimination Tournament 2018-07-31 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260514T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-14T14:00:49.859925Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-14T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-07-31T14:30:58.079064Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-07-31T14:31:01.345704Z", "ended": "2018-07-31T15:36:23.092951Z", "start_waiting": "2018-07-31T14:31:00.399014Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true }, { "id": 36431, "name": "Live 9x9 Double Elimination Tournament 2018-04-16 18:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260514T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-14T14:00:49.859925Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-14T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-04-16T18:30:25.666533Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-04-16T18:30:29.984086Z", "ended": "2018-04-16T19:40:58.121391Z", "start_waiting": "2018-04-16T18:30:28.027473Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true }, { "id": 37297, "name": "Blitz 13x13 Swiss Tournament 2018-05-15 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:20260514T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-14T11:00:49.852302Z", "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": "2026-05-14T15:00:00Z", "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": "2018-05-15T19:30:35.664228Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-05-15T19:30:42.235233Z", "ended": "2018-05-15T20:38:01.273033Z", "start_waiting": "2018-05-15T19:30:38.993320Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 12, "ranked": true }, { "id": 34487, "name": "2nd Fun 13x13 Tournament..", "director": { "id": 505741, "username": "Otis.83_", "country": "ca", "icon": "https://user-uploads.online-go.com/7db6b6cc30e48fafea9fbd3ee251651f-64.png", "ratings": { "version": 5, "overall": { "rating": 1071.9999607599134, "deviation": 63.581529458709454, "volatility": 0.05996605371824615 } }, "ranking": 16.526392432360165, "professional": false, "ui_class": "" }, "description": "This is for those who missed the last one or for those who are bored out of their mind and would like to join. This tournament is the same as the last 13x13 tournament I created, except different start times.\nThis tournament is just for fun- a simple 13x13 tournament. The rank restriction in this tournament was set so that players of similiar ranks could try to play against eachother. Your initial time for each move is three days. Anyway, the main goal of this is to just have fun. Starts soon. Invite others to join. :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "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": 8889, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2018-02-25T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-25T22:00:06.266761Z", "ended": "2018-07-17T11:42:33.073865Z", "start_waiting": "2018-02-25T22:00:05.244433Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 12, "ranked": true }, { "id": 29549, "name": "Teaching Tournament", "director": { "id": 463307, "username": "LucifereanBeast", "country": "us", "icon": "https://user-uploads.online-go.com/3070831dc79b7fa722827b15c8a548b2-64.png", "ratings": { "version": 5, "overall": { "rating": 1139.883069875404, "deviation": 77.85639850031227, "volatility": 0.059999300980126465 } }, "ranking": 17.94779458027206, "professional": false, "ui_class": "" }, "description": "The higher ranked player is the one who attempts to help the lower ranked to become better. do a review after the moves has been placed. make comments and suggestions for the other person even put why you made the placements that you chose.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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": 17957, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2017-08-25T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-08-25T22:00:33.432445Z", "ended": "2018-11-22T22:49:42.099328Z", "start_waiting": "2017-08-25T22:00:31.653375Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 12, "ranked": true }, { "id": 41173, "name": "Blitz 13x13 Swiss Tournament 2018-09-24 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:20260514T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-14T11:00:49.852302Z", "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": "2026-05-14T15:00:00Z", "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": "2018-09-24T19:30:05.091957Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-09-24T19:31:08.832398Z", "ended": "2018-09-24T20:31:58.577998Z", "start_waiting": "2018-09-24T19:31:07.318983Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 12, "ranked": true }, { "id": 41213, "name": "U.S. Groups Handicap Fastplay Single Elimination 2018", "director": { "id": 467165, "username": "MummRa", "country": "us", "icon": "https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png", "ratings": { "version": 5, "overall": { "rating": 1247.96548084978, "deviation": 64.85752922715939, "volatility": 0.06002061271498367 } }, "ranking": 20.044928150690506, "professional": false, "ui_class": "" }, "description": "1 day per move. American go", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "aga", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": true, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1346, "name": "U.S group", "summary": "", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 111, "icon": "https://user-uploads.online-go.com/3f6d3fb97d75388337a988c351963709-64.png" }, "auto_start_on_max": true, "time_start": "2018-10-19T01:00:00Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-10-19T01:00:06.959363Z", "ended": "2019-03-11T20:51:53.767014Z", "start_waiting": "2018-10-19T01:00:05.897510Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3f6d3fb97d75388337a988c351963709-15.png", "player_count": 12, "ranked": true }, { "id": 42957, "name": "Lions Marathon 9x9 - December 2018", "director": { "id": 557899, "username": "🦁 Lvicala 🦁", "country": "cz", "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png", "ratings": { "version": 5, "overall": { "rating": 1215.5307681865688, "deviation": 63.83387610820817, "volatility": 0.060058613626475424 } }, "ranking": 19.435301089469824, "professional": false, "ui_class": "" }, "description": "9 x 9", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 44160, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2773, "name": "Lions", "summary": "for all fighters like lion :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png" }, "auto_start_on_max": true, "time_start": "2018-12-01T08:00:00Z", "players_start": 12, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2018-12-01T11:41:29.415839Z", "ended": "2019-06-14T01:20:40.123033Z", "start_waiting": "2018-12-01T11:41:26.033350Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-15.png", "player_count": 12, "ranked": true }, { "id": 42445, "name": "winter is coming", "director": { "id": 584542, "username": "fsmsieh666", "country": "un", "icon": "https://secure.gravatar.com/avatar/c114930d18992d7e948f06e16b70551f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1082.2422438734468, "deviation": 186.91805691145632, "volatility": 0.060000346076877493 } }, "ranking": 16.746526120399228, "professional": false, "ui_class": "provisional" }, "description": "who win", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 70, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 900, "max_time": 900, "time_increment": 60, "speed": "live" }, "is_open": true, "exclude_provisional": false, "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": 17957, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-11-30T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2018-11-30T07:00:27.939608Z", "ended": "2018-11-30T08:57:22.160992Z", "start_waiting": "2018-11-30T07:00:26.972807Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 12, "ranked": true }, { "id": 43875, "name": "Live 9x9 Double Elimination Tournament 2018-12-21 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260514T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-14T14:00:49.859925Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-14T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-12-21T14:30:27.346446Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-12-21T14:30:30.407504Z", "ended": "2018-12-21T15:49:53.208764Z", "start_waiting": "2018-12-21T14:30:29.385784Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true } ] }
