Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3151
{ "count": 58963, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3152", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3150", "results": [ { "id": 137526, "name": "2. Haftalık 13X13 Go Turnuvası", "director": { "id": 740081, "username": "galaksi", "country": "un", "icon": "https://user-uploads.online-go.com/73ed90ab6ac88fcad517634998cc41cf-64.png", "ratings": { "version": 5, "overall": { "rating": 1781.5505706639947, "deviation": 103.4609570643941, "volatility": 0.060004648759396054 } }, "ranking": 28.28562166444893, "professional": false, "ui_class": "" }, "description": "2. 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"2026-02-19T18:54:55.478907Z", "start_waiting": "2026-02-19T17:00:15.772817Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/3266a5b634c4b26e44d4c8c35a356ea4-15.png", "player_count": 8, "ranked": true }, { "id": 1194, "name": "beginner's 13's v2", "director": { "id": 32675, "username": "mayukoto", "country": "jp", "icon": "https://secure.gravatar.com/avatar/3c9ce2f2ab3dd80ae66f119f5ccd00ec?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1521.9718006912854, "deviation": 64.71261053466733, "volatility": 0.06006877590886828 } }, "ranking": 24.64002076296505, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, 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"maximum_players": 40 }, "next_run": "2026-03-14T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-07-28T15:30:51.226412Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-07-28T15:30:53.280795Z", "ended": "2016-07-28T16:44:41.273807Z", "start_waiting": "2016-07-28T15:30:52.559923Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 134280, "name": "Correspondence 13x13 RoundRobin 2025-11-12 19:00", "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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260311T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-11T19:00:45.012045Z", "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, 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13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 134258, "name": "13x13 Mini League 10k-25k #32", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1085.853799560171, "deviation": 67.3768163524415, "volatility": 0.060025167068784406 } }, "ranking": 16.823651478136373, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, 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"first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 4, "analysis_enabled": false, "exclusivity": "open", "started": "2013-09-07T02:11:18Z", "ended": "2013-11-11T16:16:05.169376Z", "start_waiting": null, "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true } ] }
