Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=3116
{ "count": 59751, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3117", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=3115", "results": [ { "id": 114500, "name": "Correspondence 13x13 RoundRobin 2024-04-03 19:00", "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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260522T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-22T19:00:16.590557Z", "lead_time_seconds": 86400, 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"fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2015-03-19T01:00:47.866399Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-03-19T01:01:08.040159Z", "ended": "2015-06-26T20:42:36.300482Z", "start_waiting": "2015-03-19T01:01:07.271776Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 20286, "name": "Blitz 13x13 Swiss Tournament 2016-08-31 11:30", "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": 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"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": "2016-08-31T11:30:24.961094Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-08-31T11:33:27.314319Z", "ended": "2016-08-31T12:30:11.490268Z", "start_waiting": "2016-08-31T11:33:26.724690Z", "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": 112651, "name": "13x13 New Zealand Open D.E. #2", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. Starts when full.\n\nNew Zealand rules. 13x13 even. 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"analysis_enabled": true, "exclusivity": "open", "started": "2024-02-24T07:34:48.223991Z", "ended": "2024-11-23T11:48:23.116321Z", "start_waiting": "2024-02-24T07:34:48.116796Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 8, "ranked": true }, { "id": 19719, "name": "erstes Gruppenturnier", "director": { "id": 1039, "username": "joachim", "country": "de", "icon": "https://user-uploads.online-go.com/cb60432b91d79a1055a51afbe4f22dce-64.png", "ratings": { "version": 5, "overall": { "rating": 1802.8821567688547, "deviation": 66.12029649466793, "volatility": 0.06064579491614205 } }, "ranking": 28.56116431561072, "professional": false, "ui_class": "supporter" }, "description": "for fun", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 18, "time_control_parameters": { "time_control": "fischer", "initial_time": 300, "max_time": 600, "time_increment": 15 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1240, "name": "Braunschweig-Go", "summary": "Go in Braunschweig", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 57, "icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-64.png" }, "auto_start_on_max": false, "time_start": "2016-08-10T17:30:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-11T12:57:29.898782Z", "ended": "2016-08-11T12:57:29.879585Z", "start_waiting": "2016-08-11T12:57:29.811539Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/3ee5151405dee7fcd7890745353b9b41-15.png", "player_count": 6, "ranked": true }, { "id": 11876, "name": "Blitz 13x13 Swiss Tournament 2015-10-24 15:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260525T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-25T11:00:16.485240Z", "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": "2026-05-25T15:00:00Z", "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": "2015-10-24T15:30:40.259681Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-10-24T15:30:41.842108Z", "ended": "2015-10-24T16:23:57.555430Z", "start_waiting": "2015-10-24T15:30:41.708481Z", "board_size": 13, "active_round": null, "icon": 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"hide_details": false, "member_count": 16, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-16T04:21:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-07-16T04:21:08.873571Z", "ended": "2021-07-16T04:31:19.501059Z", "start_waiting": "2021-07-16T04:21:08.775636Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 87944, "name": "Blitz 13x13 Swiss Tournament 2022-03-29 19:30", "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 } }, 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"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": "2022-03-29T19:30:16.652541Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2022-03-29T19:30:17.330906Z", "ended": "2022-03-29T20:21:41.987293Z", "start_waiting": "2022-03-29T19:30:17.225969Z", "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": 59377, "name": "Blitz 13x13 Swiss Tournament 2020-04-20 19:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { 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"maximum_players": 40 }, "next_run": "2026-05-25T15:00:00Z", "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": "2020-04-20T19:30:18.105947Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-20T19:30:20.343975Z", "ended": "2020-04-20T20:24:47.282427Z", "start_waiting": "2020-04-20T19:30:19.316628Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 107636, "name": "ฝึกเล่นหมากล้อม 13*13 ครั้งที่ 1", "director": { "id": 1403924, "username": "a.chanapatz", "country": "un", "icon": "https://secure.gravatar.com/avatar/ef3ee6b55f261cb7e057342392048475?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1300.332755957091, "deviation": 102.2298403436758, "volatility": 0.06000292594997068 } }, "ranking": 20.996522509311184, "professional": false, "ui_class": "" }, "description": "มีเวลาคนละ 7 นาที เมื่อเวลาหมดแต่ละคนจะมี ตาเดิน 30 วินาที 2 ครั้ง เมื่อแพ้ 2 ครั้งจะถูกคัดออก สู้ๆนะทุกคนนน", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13480, "name": "Go Academy", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 39, 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