Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4332
{ "count": 59188, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4333", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4331", "results": [ { "id": 96042, "name": "Correspondence 19x19 RoundRobin 2022-10-25 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260331T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": 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"2025-04-02T12:40:13.277650Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/0a1d7b849bc6022d7afd0db8d257cf60-15.png", "player_count": 2, "ranked": true }, { "id": 41741, "name": "Fast Double Digit 9x9 Correspondence RR", "director": { "id": 561660, "username": "redxpanda", "country": "de", "icon": "https://user-uploads.online-go.com/a3f92305488b1c0cf4fff0101b307c6b-64.png", "ratings": { "version": 5, "overall": { "rating": 1345.2697865589387, "deviation": 63.67529285214722, "volatility": 0.060008563555866305 } }, "ranking": 21.783029404157162, "professional": false, "ui_class": "" }, "description": "have fun :3", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": false, "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3649, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-10-12T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2018-10-13T14:00:48.127591Z", "ended": "2018-10-23T21:52:41.396380Z", "start_waiting": "2018-10-13T14:00:47.691194Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 135053, "name": "Correspondence 13x13 RoundRobin 2025-12-06 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 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"group_size": "3", "maximum_players": 10 }, "next_run": "2026-04-01T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-12-06T19:00:11.253053Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-06T19:00:37.695540Z", "ended": "2025-12-15T15:42:54.451039Z", "start_waiting": "2025-12-06T19:00:37.518741Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 113052, "name": "tournoi pour enfant", "director": { "id": 1253131, "username": "Chat Juju", "country": "fr", "icon": "https://user-uploads.online-go.com/e3dc3327e9d57cce6c48b91206c3a0d3-64.png", "ratings": { "version": 5, "overall": { "rating": 648.732614846466, "deviation": 64.2129293647572, "volatility": 0.05998355547548168 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "a 3personne le tournois va durer heure les personne qui participe au tournoi vont gagner une un pris", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 14074, "name": "club des enfants", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-02-21T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-08T21:13:49.700415Z", "ended": "2024-05-12T19:16:46.110297Z", "start_waiting": "2024-04-08T21:13:49.614234Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 114731, "name": "19x19 Open League #50", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.7115162861314, "deviation": 68.21168013811256, "volatility": 0.06020364206472342 } }, "ranking": 21.303869650294313, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 69, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2024-04-21T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-19T10:07:11.405444Z", "ended": "2024-06-18T15:53:56.297119Z", "start_waiting": "2024-04-19T10:07:10.642678Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 128562, "name": "19x19 Open League #88", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1317.7115162861314, "deviation": 68.21168013811256, "volatility": 0.06020364206472342 } }, "ranking": 21.303869650294313, "professional": false, "ui_class": "" }, "description": "Open league for everyone. 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Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17869, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-30T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 16, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2022-05-30T15:00:14.388027Z", "ended": "2022-05-30T15:12:57.503080Z", "start_waiting": "2022-05-30T15:00:14.311299Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 3, "ranked": true }, { "id": 38267, "name": "Correspondence 13x13 RoundRobin 2018-06-19 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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