Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3950
{ "count": 59138, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3951", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3949", "results": [ { "id": 32758, "name": "Correspondence 19x19 RoundRobin 2017-12-14 01:00", "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 Sitewide Tournament", "schedule": { "id": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260121T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-01-21T19:00:04.635133Z", "lead_time_seconds": 86400, 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"https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png", "player_count": 4, "ranked": true }, { "id": 32760, "name": "Live 19x19 Swiss Tournament 2017-12-13 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:20260122T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-01-22T12:00:04.727891Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { 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"2017-12-13T20:30:16.449671Z", "ended": "2017-12-13T21:53:54.321567Z", "start_waiting": "2017-12-13T20:30:14.715238Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 32783, "name": "Live 19x19 Swiss Tournament 2017-12-14 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 Sitewide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260122T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": 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"random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-12-14T16:30:45.933195Z", "ended": "2017-12-14T18:29:41.924658Z", "start_waiting": "2017-12-14T16:30:45.359942Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 27053, "name": "Title match for: Tianyuan Main Title Tournament 2014", "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": "Title match for: Tianyuan Main Title Tournament 2014 (mark5000 vs Sadaharu)", "schedule": null, "title": { "id": 13, "name": "Tianyuan Main Title Tournament", "holder": { "id": 43936, "username": "Sadaharu", "country": "sg", "icon": "https://user-uploads.online-go.com/7c560149f1de7fce503f52c3c38cdb3e-64.png", "ratings": { "version": 5, "overall": { "rating": 2350.9234054357685, "deviation": 83.60339663519058, "volatility": 0.06027498197440263 } }, "ranking": 34.705674515422366, "professional": false, "ui_class": "supporter" }, "rules": "chinese", "tournament_type": "s_mcmahon" }, "tournament_type": "s_title", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": null, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-05-12T06:29:52.048391Z", "ended": "2018-02-20T14:11:32.189493Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/tianyuan_19.png", "player_count": 0, "ranked": true }, { "id": 32778, "name": "Date night, fight night.", "director": { "id": 485271, "username": "RyukBaduk", "country": "_GoT_Tully", "icon": "https://user-uploads.online-go.com/2aabf09856a41e8e9248d4dfc4bcc60e-64.png", "ratings": { "version": 5, "overall": { "rating": 1400.5931119029472, "deviation": 64.6436221001988, "volatility": 0.060000140023822056 } }, "ranking": 22.71600265928813, "professional": false, "ui_class": "" }, "description": "First try at making one of these, join if curious.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 327, "name": "RENGO (Pair GO)", "summary": "its all about rengo (tournaments, jubangos ...)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 290, "icon": "https://user-uploads.online-go.com/10fa29096f3487087c3d8c99b0f0b69a-64.png" }, "auto_start_on_max": true, "time_start": "2017-12-15T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-12-17T23:32:16.651715Z", "ended": "2018-04-27T14:20:22.502301Z", "start_waiting": "2017-12-17T23:32:15.989330Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/10fa29096f3487087c3d8c99b0f0b69a-15.png", "player_count": 4, "ranked": true }, { "id": 38204, "name": "Blitz 19x19 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"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": "2026-01-22T17:00:00Z", "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": "2018-06-16T17:31:06.781664Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-06-16T17:31:33.089481Z", "ended": "2018-06-16T18:12:39.764233Z", "start_waiting": "2018-06-16T17:31:32.578438Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 84977, "name": "Live tournament 3", "director": { "id": 1022912, "username": "UWUOWOUWU", "country": "un", "icon": "https://user-uploads.online-go.com/00545ff3c536d3c693bf6c1f5a3a1843-64.png", "ratings": { "version": 5, "overall": { "rating": 1165.7378782341052, "deviation": 78.40774667610614, "volatility": 0.059991912315373035 } }, "ranking": 18.467016011333726, "professional": false, "ui_class": "" }, "description": "Live tournament 3", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 300, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9757, "name": "Bedwars group", "summary": "Join this group , buy our merch and play pet sim x!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/8eda4283e7efeb82d5276cc4df41b80d-64.png" }, "auto_start_on_max": false, "time_start": "2022-01-24T12:37:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-01-24T12:37:24.453005Z", "ended": "2022-01-24T12:42:27.426531Z", "start_waiting": "2022-01-24T12:37:24.380807Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8eda4283e7efeb82d5276cc4df41b80d-15.png", "player_count": 2, "ranked": true }, { "id": 26377, "name": "4-21-17: Near-Empty Tournament 19x19", "director": { "id": 369833, "username": "KYU2", "country": "_United_Federation_of_Planets", "icon": "https://user-uploads.online-go.com/4ce1765c4ebca7ff2057db860ef885d3-64.png", "ratings": { "version": 5, "overall": { "rating": 1614.4810631384255, "deviation": 61.89121414845418, "volatility": 0.06007471109840714 } }, "ranking": 26.00602935054526, "professional": false, "ui_class": "" }, "description": "<strong>Our first ever tournament!</strong> Hopefully, most of our group will participate to make this interesting. This is a 19x19 correspondence tournament. <u>Losing a round means elimination.</u> Stronger players will be paired up with weaker ones, so be nice. \n\n-<font face=\"courier\" color=#aa66aa>KYU2</font> :P", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 135360, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 518400, "max_time": 518400, "time_increment": 129600, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 1559, "name": "KYU2's League", "summary": "This group will be great when there's more people!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 20, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2017-04-21T19:29:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2017-04-21T19:29:02.556019Z", "ended": "2017-12-19T21:10:46.713273Z", "start_waiting": "2017-04-21T19:29:02.070280Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 38592, "name": "GO 2018", "director": { "id": 378191, "username": "Gody", "country": "cz", "icon": "https://user-uploads.online-go.com/c3ebd12f01a61acffaa61587025332c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1036.7292907425913, "deviation": 65.36905575101311, "volatility": 0.05996761350287361 } }, "ranking": 15.751904985980078, "professional": false, "ui_class": "" }, "description": "Zahrajte si pro radost...", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 680, "name": "Czech and Slovakian GO group", "summary": "We are for any Czech and Slovakian player on this server.\n\nJsme tu pro všechny české a slovenské hráče na tomto serveru.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 111, "icon": "https://user-uploads.online-go.com/2d57f247eb50b82454963cc395766d2c-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-28T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-30T14:51:50.881578Z", "ended": "2019-06-01T22:03:16.727611Z", "start_waiting": "2018-06-30T14:51:50.545873Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2d57f247eb50b82454963cc395766d2c-15.png", "player_count": 4, "ranked": true } ] }
