Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=937
{ "count": 59239, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=938", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=936", "results": [ { "id": 22506, "name": "Winter Go", "director": { "id": 273, "username": "Tom Newman", "country": "001", "icon": "https://user-uploads.online-go.com/6d5cf13f983d9626e25ef9a1cb063741-64.png", "ratings": { "version": 5, "overall": { "rating": 1082.6203613825119, "deviation": 63.942690963069325, "volatility": 0.060160048861514645 } }, "ranking": 16.754612934225303, "professional": false, "ui_class": "supporter" }, "description": "A new friendly tournament.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 839, "name": "Friendly Competition", "summary": "Friendly Games", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 13, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-12-23T21:39:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2016-12-23T21:39:18.287510Z", "ended": "2017-08-09T14:55:27.572959Z", "start_waiting": "2016-12-23T21:39:18.035512Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 7, "ranked": true }, { "id": 27816, "name": "Correspondence 19x19 RoundRobin 2017-06-08 01:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 19696, "name": "Warm Up No 3", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 816.3283875944957, "deviation": 65.86817232072413, "volatility": 0.059284693081064786 } }, "ranking": 10.218837052552507, "professional": false, "ui_class": "supporter" }, "description": "Go & go!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 91200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 85, "name": "Isle of Skye", "summary": "If you've ever played, or are not 100% ruling out ever playing, in the tournament held every second year 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 28536, "name": "Correspondence 13x13 RoundRobin 2017-07-06 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260128T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-01-28T19:00:26.306124Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { 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"min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-07-06T01:01:17.332176Z", "ended": "2017-08-17T03:59:08.132151Z", "start_waiting": "2017-07-06T01:01:16.626832Z", "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": 28209, "name": "Well Do", "director": { "id": 89871, "username": "Andrey Tyalin", "country": "ru", "icon": "https://user-uploads.online-go.com/2b712d42daffdf8bd92b42b37ce3770a-64.png", "ratings": { "version": 5, "overall": { "rating": 1003.3041270535032, "deviation": 67.88611794876344, "volatility": 0.05955119897977385 } }, "ranking": 14.993229381163198, "professional": false, "ui_class": "" }, "description": "Do well ;-)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, 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}, "auto_start_on_max": false, "time_start": "2017-12-21T16:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-12-25T13:00:20.252446Z", "ended": "2018-06-30T15:12:53.709633Z", "start_waiting": "2017-12-25T13:00:19.800040Z", "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": 28151, "name": "le tournoi 9.9", "director": { "id": 451812, "username": "kaze24", "country": "fr", "icon": "https://user-uploads.online-go.com/7d4ecfec6126a0906dd95977c496b3f0-64.png", "ratings": { "version": 5, "overall": { "rating": 964.779599975824, "deviation": 68.9247228972231, "volatility": 0.05999556684294684 } }, "ranking": 14.086807846472144, "professional": false, "ui_class": "" }, "description": "tournoi mcmahon", "schedule": null, "title": null, 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