Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5516
{ "count": 59095, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5517", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=5515", "results": [ { "id": 62151, "name": "Live 13x13 tournament", "director": { "id": 777164, "username": "sweissner2", "country": "us", "icon": "https://user-uploads.online-go.com/678047e226d2c7bf4aeac51b8ac1b72d-64.png", "ratings": { "version": 5, "overall": { "rating": 1555.2042363319772, "deviation": 68.49668161648067, "volatility": 0.06094710064208899 } }, "ranking": 25.140064171327378, "professional": false, "ui_class": "supporter" }, "description": "live tournament, 13x13\nshort games", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": -1, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, 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16:30", "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 Site-wide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260324T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-03-24T00:00:19.968307Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-03-24T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-11-15T16:30:04.982913Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-11-15T16:31:05.053314Z", "ended": "2025-11-15T17:52:41.585188Z", "start_waiting": "2025-11-15T16:31:04.981024Z", "board_size": 19, "active_round": null, "icon": 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78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260323T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-03-23T23:00:19.953388Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 300, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-03-24T03:00:00Z", "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": "2017-08-19T07:30:39.489574Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-08-19T07:32:41.823034Z", "ended": "2017-08-19T08:10:05.530954Z", "start_waiting": "2017-08-19T07:32:41.444129Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 62365, "name": "Live 19x19 Swiss Tournament 2020-06-24 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260324T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-03-24T00:00:19.968307Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-03-24T04:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-06-24T20:30:24.961212Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-06-24T20:32:26.627966Z", "ended": "2020-06-24T22:03:39.834752Z", "start_waiting": "2020-06-24T20:32:26.300376Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 127508, "name": "2° ETAPA: ESTUDANTES MASCULINO 2025", "director": { "id": 1586912, "username": "smecoceudiesp", "country": "un", "icon": "https://secure.gravatar.com/avatar/b1f6a7312ebcfdcb8be63243d4d511cb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, "volatility": 0.06 } }, "ranking": 7.000000000000001, "professional": false, "ui_class": "provisional" }, "description": "Evento Oficial da Rede Municipal de Ensino", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 10, "initial_time": 300, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6411, "name": "CIRCUITO ONLINE SME-SP", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 479, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-64.png" }, "auto_start_on_max": false, "time_start": "2025-05-23T22:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-05-23T22:30:58.641338Z", "ended": "2025-05-23T23:01:45.015311Z", "start_waiting": "2025-05-23T22:30:58.548323Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png", "player_count": 9, "ranked": true }, { "id": 68747, "name": "DA NOOOOOOOBS", "director": { "id": 888411, "username": "hikaru and sai.", "country": "_CARICOM", "icon": "https://user-uploads.online-go.com/8d9142072852dbb65909746ea4f4d5a9-64.png", "ratings": { "version": 5, "overall": { "rating": 633.6080341648096, "deviation": 65.33801758418787, "volatility": 0.05999209103873468 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "NOOB NOOBSSSSSSSSSSSSSSSSSS", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 604800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 7560, "name": "Go!!!", "summary": "Feel free to share and play in this group!😊😊😊😊", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-12-12T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": 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"random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-01-23T11:30:24.347643Z", "ended": "2022-01-23T12:07:06.733988Z", "start_waiting": "2022-01-23T11:30:24.259175Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 161, "name": "mini-tournament for unrated and rated players. 13 X 13", "director": { "id": 3841, "username": "glueman", "country": "us", "icon": "https://secure.gravatar.com/avatar/e34370325a7380e61f30893cb8ab42e3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1523.6994852080363, "deviation": 71.68811059954409, "volatility": 0.05997729494229467 } }, "ranking": 24.666284858527796, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", 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