Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=496
{ "count": 59091, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=497", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=495", "results": [ { "id": 33675, "name": "Live 9x9 Double Elimination Tournament 2018-01-14 18:30", "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:20260323T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-23T14:00:19.812757Z", 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2017-09-25T18:30:02.053843Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-09-25T18:30:05.393122Z", "ended": "2017-09-25T19:55:47.960942Z", "start_waiting": "2017-09-25T18:30:04.282159Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true }, { "id": 22296, "name": "GCL 2: McMahon 13s", "director": { "id": 303589, "username": "Canada1867", "country": "ca", "icon": "https://secure.gravatar.com/avatar/0a77206015cf9e4c151ac777d1636656?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 924.8037735661408, "deviation": 68.06902899701008, "volatility": 0.06000502011404481 } }, "ranking": 13.10714375918142, "professional": false, "ui_class": "" }, "description": "Start the new year off right with a 13x13 tournament (and the next one too, seeing how long these things take)...", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 47040, "time_control_parameters": { "time_control": "canadian", "period_time": 604800, "main_time": 1209600, "stones_per_period": 18 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1137, "name": "Go Championship League", "summary": "A Canadian Based Championship League", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2017-01-01T17:00:00Z", "players_start": 12, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-01-05T13:54:41.788890Z", "ended": "2017-09-10T18:02:26.492021Z", "start_waiting": "2017-01-05T13:54:41.068046Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 12, "ranked": true }, { "id": 29416, "name": "Live 9x9 Double Elimination Tournament 2017-08-14 22:30", "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:20260323T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": 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"first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-08-14T22:30:38.593987Z", "ended": "2017-08-14T23:40:13.732789Z", "start_waiting": "2017-08-14T22:30:36.034260Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true }, { "id": 29102, "name": "House Overplay Blitz 19X19 Cup", "director": { "id": 437427, "username": "call_it.exe", "country": "un", "icon": "https://user-uploads.online-go.com/28198ba8631ffbdc457f9639208215c7-64.png", "ratings": { "version": 5, "overall": { "rating": 1655.9270367060326, "deviation": 66.25955962746723, "volatility": 0.06008004719723748 } }, "ranking": 26.59282196443753, "professional": false, "ui_class": "" }, "description": "remember to overplay", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": 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We also never play in sober condition.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17, "icon": "https://user-uploads.online-go.com/bb1d7eac6636fa31cf78bd59477adc3b-64.png" }, "auto_start_on_max": false, "time_start": "2017-08-13T03:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-08-13T03:00:36.137213Z", "ended": "2017-08-13T03:15:55.560412Z", "start_waiting": "2017-08-13T03:00:35.420500Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bb1d7eac6636fa31cf78bd59477adc3b-15.png", "player_count": 12, "ranked": true }, { "id": 29089, "name": "Live 9x9 Double Elimination Tournament 2017-08-02 18:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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