Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=1682
{ "count": 59766, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=1683", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=1681", "results": [ { "id": 99025, "name": "Correspondence Weekly McMahon 19x19 2023-01-21 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260525T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-05-25T17:00:16.576149Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-06-01T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2023-01-21T17:00:12.547493Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-21T17:00:23.506732Z", "ended": "2024-09-19T02:12:25.189992Z", "start_waiting": "2023-01-21T17:00:21.186830Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 44, "ranked": true }, { "id": 99022, "name": "🌳 1. Peace on Earth Tournament 🌳", "director": { "id": 606239, "username": "Dandarabilla", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/bd67bcb72024c28da27a874af6a172af-64.png", "ratings": { "version": 5, "overall": { "rating": 950.3276314806078, "deviation": 65.31486361168429, "volatility": 0.060174515551803205 } }, "ranking": 13.737407649836433, "professional": false, "ui_class": "" }, "description": "Welcome 4 All Who Think So \n\ndedicated 2 my Son Raphael\n\nWith thx and respect 2 the ogs club hikaru no go", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 175535, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 172800, "initial_time": 345600, "max_time": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8304, "name": "club hikaru no go", "summary": "welcome all fan of Hikaru no go and on 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