Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=4105
{ "count": 60515, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4106", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=4104", "results": [ { "id": 44554, "name": "2019 - Winter Lviv Tournament - Middle", "director": { "id": 427977, "username": "OleksandrPshenychnyy", "country": "ua", "icon": "https://user-uploads.online-go.com/d549d0e6e73d804c76aa49a720165e9a-64.png", "ratings": { "version": 5, "overall": { "rating": 1704.2974573626693, "deviation": 61.17845166543989, "volatility": 0.05993223963324147 } }, "ranking": 27.2593563551517, "professional": false, "ui_class": "supporter" }, "description": "2019 - Winter Lviv Tournament - Middle", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 35520, "time_control_parameters": { "period_time": 604800, "main_time": 604800, "system": "canadian", "pause_on_weekends": true, "time_control": 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45287, "name": "Blitz 19x19 Elimination Tournament 2019-02-03 09:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260806T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-06T01:00:16.739374Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 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19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 91566, "name": "Child Play GO T1", "director": { "id": 791538, "username": "Nai.Phon", "country": "th", "icon": "https://user-uploads.online-go.com/5ab8163c73bf297172e5e18e5cd427ed-64.png", "ratings": { "version": 5, "overall": { "rating": 1870.7063155913506, "deviation": 62.18257588384639, "volatility": 0.06000532719149306 } }, "ranking": 29.41608191347533, "professional": false, "ui_class": "" }, "description": "ทดสอบ T1", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 10, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11964, "name": "Child Play GO", "summary": "ต่างสำนัก 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6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 11, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2019-02-23T11:00:29.543554Z", "ended": "2019-06-14T17:30:41.259834Z", "start_waiting": "2019-02-23T11:00:29.010236Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png", "player_count": 8, "ranked": true } ] }
