Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=id&page=1639
{ "count": 58972, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=1640", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=id&page=1638", "results": [ { "id": 37246, "name": "Honinbo Main Title Tournament 2018", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1995.719624534026, "deviation": 68.02965633278002, "volatility": 0.06015733969046198 } }, "ranking": 30.913623719446058, "professional": false, "ui_class": "supporter" }, "description": "Honinbo Main Title Tournament 2018\n\nTitle Holder:\n<a style=\"color:red\" href='https://online-go.com/user/view/35184/'>vitality [Honinbo] x2</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/2370'>2007</a></td>\n\t<td><b>luke</b></td><td></td><td></td>\n\t<td><b>luke (2d)</b></td><td>dexy (1d)</td><td>davos (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2390'>2008</a></td>\n\t<td><b>Uberdude</b></td><td>∗</td><td>luke</td>\n\t<td><b>Uberdude (6d)</b></td><td>KyuT (4d)</td><td>gomad361 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2403'>2009</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>dexy (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2420'>2010</a></td>\n\t<td><b>Uberdude</b></td><td>5-0</td><td>Elin</td>\n\t<td><b>Elin (3d)</b></td><td>dexy (1d)</td><td>gomad361 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2435'>2011</a></td>\n\t<td><b>Uberdude</b></td><td></td><td></td>\n\t<td><b>Uberdude (6d)</b></td><td>vitality (5d)</td><td>Kobajagi (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2457'>2012</a></td>\n\t<td><b>nrx</b></td><td>∗</td><td>Uberdude</td>\n\t<td><b>nrx (3d)</b></td><td>tegais (3d)</td><td>vitality (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2477'>2013</a></td>\n\t<td><b>vitality</b></td><td>5-0</td><td>nrx</td>\n\t<td><b>vitality (5d)</b></td><td>Sadaharu (5d)</td><td>wurfmaul (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2495'>2014</a></td>\n\t<td><b>vitality</b></td><td>5-0</td><td>Sadaharu</td>\n\t<td><b>vitality (5d)</b></td><td>Sadaharu (5d)</td><td>nrx (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4470'>2015</a></td>\n\t<td>Ongoing: vitality</td><td>0-0</td><td>Sadaharu</td>\n\t<td><b>Sadaharu (4d)</b></td><td>Staffan (7d)</td><td>GreenLeaf (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/15379'>2016</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/25799'>2017</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 2</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.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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": 2967, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-17T07:00:00Z", "players_start": 150, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-17T05:31:15.409956Z", "ended": "2020-10-16T08:29:52.953732Z", "start_waiting": "2018-06-17T05:30:21.408643Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 168, "ranked": true }, { "id": 37249, "name": "Live 9x9 Double Elimination Tournament 2018-05-14 10:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260315T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-15T10:00:11.235094Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", 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"player_count": 5, "ranked": true }, { "id": 37251, "name": "Julko's Mini Turnament XIX", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 807.6569086907168, "deviation": 67.78850894491677, "volatility": 0.05927795447904405 } }, "ranking": 9.971609882493732, "professional": false, "ui_class": "supporter" }, "description": "Just play more go", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "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": true, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2018-06-15T03:30:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-28T07:54:07.467110Z", "ended": "2018-10-17T08:01:49.942854Z", "start_waiting": "2018-05-28T07:54:03.278120Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 37253, "name": "Cybersport.com Beginner Tournament #2", "director": { "id": 72296, "username": "Torte de Lini", "country": "ch", "icon": "https://user-uploads.online-go.com/6df3dee227084696ff1b5736d8885133-64.png", "ratings": { "version": 5, "overall": { "rating": 975.596517665153, "deviation": 63.4472014776106, "volatility": 0.059974605221531724 } }, "ranking": 14.344916814388975, "professional": false, "ui_class": "" }, "description": "Cybersport.com Beginner Tournament #2", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": false, "per_move": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2414, "name": "Cybersport.com", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2018-05-15T13:00:00Z", "players_start": 7, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-14T12:24:32.164698Z", "ended": "2018-05-28T16:48:11.446125Z", "start_waiting": "2018-05-14T12:24:31.595229Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 37255, "name": "Live 9x9 Double Elimination Tournament 2018-05-14 14:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260315T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-15T10:00:11.235094Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "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": "2026-03-15T14:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-05-14T14:30:20.859624Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2018-05-14T14:31:12.909316Z", "ended": "2018-05-14T15:24:00.053764Z", "start_waiting": "2018-05-14T14:31:12.126052Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 37256, "name": "우리들만의 리그 1회", "director": { "id": 456986, "username": "powerwill", "country": "kr", "icon": "https://user-uploads.online-go.com/324426f6f8328f4a4f13a00d0381ce9c-64.png", "ratings": { "version": 5, "overall": { "rating": 2017.4997486619338, "deviation": 64.28298687164519, "volatility": 0.05990249050987459 } }, "ranking": 31.164900700336645, "professional": false, "ui_class": "" }, "description": "효원기우회 OB만의 리그를 만들었습니다.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 172800, "max_time": 172800, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2147, "name": "효원기우회OB", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-05-16T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-05-16T08:00:32.559087Z", "ended": "2018-08-31T04:22:16.081493Z", "start_waiting": "2018-05-16T08:00:25.552104Z", "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": 37260, "name": "Correspondence Weekly McMahon 19x19 2018-05-19 17:00", "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": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260309T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-09T17:00:38.489330Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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, "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-03-16T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-05-19T17:00:23.792645Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-19T17:01:50.378012Z", "ended": "2020-02-21T08:32:17.196410Z", "start_waiting": "2018-05-19T17:01:17.355873Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 78, "ranked": true }, { "id": 37261, "name": "Blitz 19x19 Elimination Tournament 2018-05-14 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260315T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, 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