Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=356
{ "count": 59724, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=357", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=355", "results": [ { "id": 138268, "name": "我们的友谊赛 赛季一", "director": { "id": 1250228, "username": "Xuan Tian", "country": "my", "icon": "https://secure.gravatar.com/avatar/80dc35d1767b37d01fdf02be62fa5602?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 979.9951722445284, "deviation": 69.37969562834986, "volatility": 0.0602214898358469 } }, "ranking": 14.449058211351586, "professional": false, "ui_class": "" }, "description": "玩得开心，互相学习，加油", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 432000, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 432000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16280, "name": "我们的友谊赛 Our friendly match", "summary": "A place to have a friendly match ", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 37, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2026-04-01T07:00:00Z", "players_start": 0, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2026-03-26T12:27:28.825054Z", "ended": null, "start_waiting": "2026-03-26T12:27:28.662315Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 99152, "name": "Meijin Main Title Tournament 2023", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2004.4188438214221, "deviation": 67.71437067217448, "volatility": 0.06015576961047741 } }, "ranking": 31.014313855840236, "professional": false, "ui_class": "supporter" }, "description": "Meijin Main Title Tournament 2023\n\nTitle Holder:\n<a style=\"color:green\" href='https://online-go.com/user/view/43936/'>Sadaharu [Meijin] x1+1</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_19.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_19.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_19.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2387'>2008</a></td>\n\t<td><b>Akimoon</b></td><td></td><td></td>\n\t<td><b>Akimoon (1k)</b></td><td>wossname (1d)</td><td>dmg (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2400'>2009</a></td>\n\t<td><b>Uberdude</b></td><td>∗</td><td>Akimoon</td>\n\t<td><b>Uberdude (6d)</b></td><td>surcouf (1k)</td><td>gomad361 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2416'>2010</a></td>\n\t<td><b>Uberdude</b></td><td>5-0</td><td>gomad361</td>\n\t<td><b>gomad361 (2d)</b></td><td>morituri (2d)</td><td>stonedaze (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2432'>2011</a></td>\n\t<td><b>Uberdude</b></td><td>∗</td><td>Rathbone</td>\n\t<td><b>Rathbone (4d)</b></td><td>vitality (5d)</td><td>illluck (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2454'>2012</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>Uberdude</td>\n\t<td><b>vitality (5d)</b></td><td>nrx (3d)</td><td>gojohn (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2472'>2013</a></td>\n\t<td><b>vitality</b></td><td>4-1</td><td>gamesorry</td>\n\t<td><b>gamesorry (3d)</b></td><td>fabu (1d)</td><td>rtayek (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2492'>2014</a></td>\n\t<td><b>vitality</b></td>\n\t<td>5-0</td>\n\t<td>Sadaharu</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>pokkapoka (3d)</td>\n\t<td>gamesorry (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4494'>2015</a></td>\n\t<td><b>vitality</b></td>\n\t<td>4-0</td>\n\t<td>drmwc</td>\n\t<td><b>drmwc (5d)</b></td>\n\t<td>Elin (3d)</td>\n\t<td>halifax (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/12561'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td>5-0</td>\n\t<td>tupelo</td>\n\t<td><b>vlin (9d)</b></td>\n\t<td>Sadaharu (9d)</td>\n\t<td>tupelo (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/24348'>2017</a></td>\n\t<td><b>Lomis</b></td>\n\t<td><a href='https://online-go.com/tournament/63335'>5-0</a></td>\n\t<td>gamesorry</td>\n\t<td><b>micky0427 [5d]</b></td>\n\t<td># [4d]</td>\n\t<td>Lomis [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/32508'>2018</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu [9d]</b></td>\n\t<td>rzhang20877 [9d]</td>\n\t<td>Puffin888 [6d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43369'>2019</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Puffin888 [6d]</b></td>\n\t<td>Kulturfreund [2d]</td>\n\t<td>GoSeigenTwitch [3d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/54440'>2020</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Neandertaler [3d]</b></td>\n\t<td>WaterDancer [2d]</td>\n\t<td>HellRaven [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69383'>2021</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 3</td>\n\t<td></td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/86187'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 1</td>\n\t<td></td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks are displayed for cycles before 2015.\n\nNotes:\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 2977, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2023-03-27T06:59:00Z", "players_start": 150, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-27T06:59:17.221521Z", "ended": "2026-02-26T08:58:11.416845Z", "start_waiting": "2023-03-27T06:59:08.219505Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 213, "ranked": true }, { "id": 130618, "name": "Blitz 13x13 Swiss Tournament 2025-07-19 15:31", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260522T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-22T11:00:16.140958Z", "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": "2026-05-22T15:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 15, "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": "2025-07-19T15:31:03.076315Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-07-19T15:31:57.891340Z", "ended": "2025-07-19T16:17:06.213427Z", "start_waiting": "2025-07-19T15:31:57.698511Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 7, "ranked": true }, { "id": 137748, "name": "Live 19x19 Swiss Tournament 2026-02-26 08:30", "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 Site-wide Tournament", "schedule": { "id": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260522T120000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-22T12:00:16.152900Z", "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": "2026-05-22T16:00:00Z", "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": "2026-02-26T08:30:22.287799Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-02-26T08:31:22.413830Z", "ended": "2026-02-26T10:41:52.529717Z", "start_waiting": "2026-02-26T08:31:22.280202Z", "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": 41705, "name": "สาระ-rails361!tour ครั้งที่ 4.5", "director": { "id": 148806, "username": "โอ๋ชิงหยวน", "country": "th", "icon": "https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png", "ratings": { "version": 5, "overall": { "rating": 1490.8997884704036, "deviation": 65.02058179855767, "volatility": 0.05948891233529572 } }, "ranking": 24.16250782197602, "professional": false, "ui_class": "" }, "description": "play for better than yesterday.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 10560, "time_control_parameters": { "period_time": 86400, "main_time": 172800, "system": "canadian", "pause_on_weekends": false, "time_control": "canadian", "stones_per_period": 10, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2571, "name": "Go World Wide", "summary": "enjoy", "require_invitation": false, "is_public": 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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:20260522T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-22T11:00:16.140958Z", "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": "2026-05-22T15:00:00Z", "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": "2015-03-13T23:30:06.419877Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-03-13T23:35:08.229609Z", "ended": "2015-03-14T00:24:53.451250Z", "start_waiting": "2015-03-13T23:35:08.128132Z", "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": 45919, "name": "ქართველების ტურნირი", "director": { "id": 21742, "username": "დათო", "country": "ge", "icon": 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