Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=659
{ "count": 59362, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=660", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-first_pairing_method&page=658", "results": [ { "id": 21904, "name": "Live 9x9 Double Elimination Tournament 2016-11-01 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260416T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": 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true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-12-24T17:30:10.075157Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-12-24T17:30:11.659611Z", "ended": "2015-12-24T17:55:27.658146Z", "start_waiting": "2015-12-24T17:30:11.566270Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 26457, "name": "Blitz 19x19 Elimination Tournament 2017-04-19 13:30", "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": 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"maximum_players": 100 }, "next_run": "2026-04-16T22:00:00Z", "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": "2015-12-21T06:30:52.839416Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-12-21T06:30:54.485893Z", "ended": "2015-12-21T06:51:56.109955Z", "start_waiting": "2015-12-21T06:30:54.373921Z", "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": 132622, "name": "Absolute Fortnight - Januari 2026", "director": { "id": 710368, "username": "Macrophage", "country": "un", "icon": "https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png", "ratings": { "version": 5, "overall": { "rating": 1733.9699184577612, "deviation": 68.86755839046208, "volatility": 0.05978154467222373 } }, "ranking": 27.65893815228083, "professional": false, "ui_class": "" }, "description": "No pausing and no vacations; anyone who has vacation mode switched on, or pauses a game, will be disqualified.\n\n**Beware the absolute time control.**\n\nSmallest group point compensation: Players in the smallest group in each round will receive extra points such that the maximum obtainable point value is just one less than in the other groups.\n\nA tournament series by Macrophage and fix.david\n\nPrevious tournament: https://online-go.com/tournament/130680\n\nNext tournament: https://online-go.com/tournament/132922", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 9573, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 822, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-01T00:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-01T00:00:48.018480Z", "ended": "2026-03-21T01:50:11.562773Z", "start_waiting": "2026-01-01T00:00:45.940236Z", "board_size": 19, "active_round": null, "icon": 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