Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1018
{ "count": 60462, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1019", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=1017", "results": [ { "id": 33395, "name": "Correspondence 13x13 RoundRobin 2018-01-05 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260730T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-07-30T19:00:22.759740Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "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": "2026-08-02T19:00:00Z", "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": "2018-01-05T01:00:46.384467Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-01-05T01:01:24.189870Z", "ended": "2018-01-31T19:34:23.090950Z", "start_waiting": "2018-01-05T01:01:14.529855Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 29462, "name": "Lemon Squeezy Open Tour", "director": { "id": 291466, "username": "Crust ( ͡° ͜ʖ ͡°)", "country": "035", "icon": "https://user-uploads.online-go.com/db55980d916c697acd9eec76884f81ba-64.png", "ratings": { "version": 5, "overall": { "rating": 1998.5877900962407, "deviation": 70.33251603278873, "volatility": 0.060336349525186066 } }, "ranking": 30.946870055936838, "professional": false, "ui_class": "" }, "description": "Good luck and have fun guys!", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 1717, "name": "House Overplay", "summary": "Style: Overplay, of course, trashtalking and memes are also accepted. 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Join, play tournaments, and have fun. 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 32903, "name": "game 2", "director": { "id": 482904, "username": "SimonRomano", "country": "un", "icon": "https://secure.gravatar.com/avatar/aaeaed637d4bf6eda7c7ed8c8302c2bc?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1078.4668949509846, "deviation": 186.62076233690377, "volatility": 0.060005833866636 } }, "ranking": 16.665627294243453, "professional": false, "ui_class": "provisional" }, "description": "game 2", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 1921, "name": "Mod-living", "summary": "", "require_invitation": false, "is_public": false, 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