Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=888
{ "count": 60387, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=889", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=887", "results": [ { "id": 75502, "name": "Live 9x9 Double Elimination Tournament 2021-05-24 02:30", "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:20260727T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-07-27T06:00:54.905267Z", "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": "2026-07-27T10:00:00Z", "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": "2021-05-24T02:30:23.723936Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-05-24T02:30:25.187496Z", "ended": "2021-05-24T03:08:27.366250Z", "start_waiting": "2021-05-24T02:30:25.025895Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 47595, "name": "9x9 McMahon May Madness", "director": { "id": 508594, "username": "Kampinkarl1", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/7cceb0191a16caacbcd28f303e6b72ac-64.png", "ratings": { "version": 5, "overall": { "rating": 1459.7204371363496, "deviation": 67.42639978843152, "volatility": 0.060125611186152214 } }, "ranking": 23.673235197189392, "professional": false, "ui_class": "" }, "description": "McMahon Simultaneous Tournament (You play as many games per round as there are members in your group [minus one]).\n3 Rounds.\n3 Day maximum clock.\nNo pauses on weekends. \nRanks restricted to between 22 Kyu and 3 Dan.\n\nThe tournament begins at midnight (Central European Time) on May 1st, 2019. \n\nInitial pairing is RANDOM and is slaughter thereafter.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 713, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-30T22:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 8, "max_ranking": 32, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-30T22:01:14.709653Z", "ended": "2019-09-19T05:57:59.010116Z", "start_waiting": "2019-04-30T22:00:50.826760Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 85, "ranked": true }, { "id": 609, "name": "Andreas' 12th mini-tournament", "director": { "id": 12608, "username": "Andreas", "country": "un", "icon": "https://secure.gravatar.com/avatar/9391313b744a480fccc4b2ffa6031575?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1708.106347149412, "deviation": 65.43808331330433, "volatility": 0.05994359485799847 } }, "ranking": 27.311035957117518, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", 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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": "2026-07-27T10:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "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": "2026-01-23T14:30:04.890638Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-23T14:31:05.007943Z", "ended": "2026-01-23T15:28:56.395279Z", "start_waiting": "2026-01-23T14:31:04.876379Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 80644, "name": "Live 9x9 Double Elimination Tournament 2021-09-27 22:30", "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:20260727T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-07-27T06:00:54.905267Z", "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": "2026-07-27T10:00:00Z", "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": "2021-09-27T22:30:03.069417Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-09-27T22:30:04.342608Z", "ended": "2021-09-27T22:56:38.115888Z", "start_waiting": "2021-09-27T22:30:04.176856Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 58391, "name": "Senshi League · Registration Tournament", "director": { "id": 278620, "username": "rodrigo_o", "country": "br", "icon": "https://user-uploads.online-go.com/5f04c97f6a4663c43d09dff0096bf3ac-64.png", "ratings": { "version": 5, "overall": { "rating": 915.824803911921, "deviation": 68.60262348810217, "volatility": 0.0602190954258877 } }, "ranking": 12.881280922000522, "professional": false, "ui_class": "" }, "description": "This is just the Registration Tournament for the Senshi League 1st term.", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4383, "name": "International Go League", "summary": "This group is dedicated to the 9x9 International Go League.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 28, "icon": "https://user-uploads.online-go.com/9001e73df00d4ed84cff435d89080e2a-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-31T21:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-31T21:01:00.604917Z", "ended": "2021-07-13T15:48:17.794873Z", "start_waiting": "2020-12-31T21:00:59.263795Z", "board_size": 9, "active_round": null, "icon": 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"time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-07-28T19:00:00Z", "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, "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": "2021-06-10T19:00:28.440417Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-06-10T19:00:31.483189Z", "ended": "2021-06-25T23:49:44.914662Z", "start_waiting": "2021-06-10T19:00:29.132040Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 75470, "name": "9x9OGS", "director": { "id": 929370, "username": "mike1004", "country": "cn", "icon": "https://user-uploads.online-go.com/1ae5733ce3cf208417b07a7dad51c626-64.png", "ratings": { "version": 5, "overall": { "rating": 1433.29273319705, "deviation": 68.81068586915491, "volatility": 0.05989731324002006 } }, "ranking": 23.250272473569712, "professional": false, "ui_class": "" }, "description": "Come and play with me.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", 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"ranked": true }, { "id": 79989, "name": "Taller de Go Septiembre 2021", "director": { "id": 744396, "username": "JacintaTeijeiro", "country": "cl", "icon": "https://user-uploads.online-go.com/906d16009768b0a95870bb13b7a3253c-64.png", "ratings": { "version": 5, "overall": { "rating": 1259.8829249602825, "deviation": 62.22601139361513, "volatility": 0.060261434499344985 } }, "ranking": 20.264950148240615, "professional": false, "ui_class": "" }, "description": "Torneo 9x9 para participantes Taller de Go Septiembre 2021 :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6772, "name": "Go Puerto Montt", "summary": "Go Puerto Montt lugar de encuentro de jugadores, difusión y activación de instancias en la Región de Los Lagos y el mundo :)", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 123, "icon": "https://user-uploads.online-go.com/e99c6e7bf1c7bbb50f834c974b23f196-64.png" }, "auto_start_on_max": false, "time_start": "2021-09-12T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-12T15:00:34.646733Z", "ended": "2021-09-25T03:28:48.216337Z", "start_waiting": "2021-09-12T15:00:34.390846Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e99c6e7bf1c7bbb50f834c974b23f196-15.png", "player_count": 12, "ranked": true }, { "id": 46915, "name": "Training Ground Class 1 April 2019", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": 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Training Grounds tournaments provide you with this opportunity.", "schedule": null, "title": null, "tournament_type": "swiss", "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": 3516, "name": "Game Of Stones", "summary": "This group is no longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 143, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png" }, "auto_start_on_max": true, "time_start": "2019-04-29T02:00:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2019-04-29T02:00:58.576795Z", "ended": "2019-07-12T21:02:39.890848Z", "start_waiting": "2019-04-29T02:00:57.890579Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png", "player_count": 12, "ranked": true } ] }