Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3888
{ "count": 59544, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3889", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3887", "results": [ { "id": 7968, "name": "Reddit Round Robin #16 - Handicap - 20k-11k", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.1627795358113, "deviation": 63.049690073664166, "volatility": 0.05956859367610595 } }, "ranking": 20.868521227058793, "professional": false, "ui_class": "supporter" }, "description": "Round Robin, Handicap, Correspondence, 20k-11k", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": 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false, "group": { "id": 30, "name": "România", "summary": "Grupul romanilor de pe OGS.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 111, "icon": "https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-64.png" }, "auto_start_on_max": true, "time_start": "2016-01-10T11:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-10T11:00:02.200419Z", "ended": "2016-04-04T21:16:50.235640Z", "start_waiting": "2016-01-10T11:00:01.705382Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-15.png", "player_count": 8, "ranked": true }, { "id": 16320, "name": "Blitz 19x19 Elimination Tournament 2016-04-04 21:30", "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:20260501T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-01T21:00:48.850149Z", "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": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-02T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-04-04T21:30:13.726651Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-04-04T21:30:15.540576Z", "ended": "2016-04-04T22:26:23.330273Z", "start_waiting": "2016-04-04T21:30:15.258528Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 11, "ranked": true }, { "id": 85185, "name": "22/1 劉沛祥\t許澤延", "director": { "id": 729080, "username": "樂 碁", "country": "hk", "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.5461424853938, "deviation": 260.4210499451175, "volatility": 0.059998813696822535 } }, "ranking": 22.315085597176374, "professional": false, "ui_class": "provisional" }, "description": "22/1 劉沛祥\t許澤延", "schedule": null, "title": null, "tournament_type": "swiss", "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": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": 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"description": "萬聖節快樂😊😂🤣", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 132480, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 129600, "initial_time": 259200, "max_time": 864000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3852, "name": "Hong Kong ", "summary": "First priority : HK people join plz \nThis group welcomes everyone, but only if you don't be rude.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 148, "icon": "https://user-uploads.online-go.com/cb4f2676677eaafca853a69c876d0443-64.png" }, "auto_start_on_max": false, "time_start": "2019-10-31T00:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": 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"start_waiting": "2026-01-24T05:01:11.167389Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": false } ] }
