Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=14
{ "count": 61019, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=15", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=13", "results": [ { "id": 2050, "name": "mayari's mini-tournament", "director": { "id": 46674, "username": "mayari", "country": "un", "icon": "https://secure.gravatar.com/avatar/8f6fbd4ef46a233ab5e2e6940b100378?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1476.9973119630995, "deviation": 64.58672045633413, "volatility": 0.05998229855145885 } }, "ranking": 23.94562383018296, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 5, "analysis_enabled": false, "exclusivity": "open", "started": "2013-05-23T18:38:05Z", "ended": "2013-05-23T16:38:05Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 35165, "name": "Turnier Isni", "director": { "id": 462637, "username": "Greenhunter", "country": "de", "icon": "https://user-uploads.online-go.com/9185272bd5b0a810c439d8201b15aa95-64.png", "ratings": { "version": 5, "overall": { "rating": 1301.4776463296544, "deviation": 69.38163651839255, "volatility": 0.05992312229793404 } }, "ranking": 21.01689617974638, "professional": false, "ui_class": "" }, "description": "Correspondence\nFischer 3d + 1d*x (max. 7 days)\npause on weekends\nopen tournament", "schedule": null, "title": null, "tournament_type": "swiss", "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": false, "group": { "id": 1807, "name": "Isnirekikari", "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-64.png" }, "auto_start_on_max": false, "time_start": "2018-03-17T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-03-17T15:00:06.015733Z", "ended": "2018-11-02T18:11:55.394788Z", "start_waiting": "2018-03-17T15:00:05.067805Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png", "player_count": 9, "ranked": true }, { "id": 97613, "name": "1 step per day. Just for fun", "director": { "id": 1040579, "username": "Squirrelder松鼠長老", "country": "tw", "icon": "https://user-uploads.online-go.com/d3f23d9e084effcc318f1e7a29013710-64.png", "ratings": { "version": 5, "overall": { "rating": 1258.371185716947, "deviation": 62.690494100722624, "volatility": 0.059915789240259025 } }, "ranking": 20.23715567941492, "professional": false, "ui_class": "" }, "description": "Slow game for 1 step per day. Just for fun and enjoy it.\nJust practice.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11838, "name": "蕭兔孽徒團 (Xiao Tu Legion)", "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團，歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 326, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png" }, "auto_start_on_max": false, "time_start": "2022-12-19T23:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-12-19T23:00:53.387177Z", "ended": "2024-02-27T00:55:18.793970Z", "start_waiting": "2022-12-19T23:00:51.911332Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png", "player_count": 26, "ranked": true }, { "id": 14208, "name": "Correspondence Weekly McMahon 19x19 2016-01-23 17:00", "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 Sitewide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260907T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-09-07T17:00:35.435053Z", "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": "2026-09-14T17:00:00Z", "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": "2016-01-23T17:00:28.480917Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-01-25T05:05:46.020820Z", "ended": "2017-11-10T10:51:34.188290Z", "start_waiting": "2016-01-25T05:05:41.425411Z", "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": 2049, "name": "Santa Games", "director": { "id": 34623, "username": "Gabaux", "country": "hu", "icon": "https://user-uploads.online-go.com/818901dfc523b71903dd51cf55c875df-64.png", "ratings": { "version": 5, "overall": { "rating": 866.8265279902448, "deviation": 66.11410607958567, "volatility": 0.05998519828076773 } }, "ranking": 11.608350147275178, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 345600, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 8, "analysis_enabled": false, "exclusivity": "open", "started": "2013-09-11T19:34:22Z", "ended": "2013-09-11T17:34:22Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 116654, "name": "Live 19x19 Swiss Tournament 2024-06-01 12:30", "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:20260913T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-09-13T04:00:36.313909Z", "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": "2026-09-13T08:00:00Z", "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": "2024-06-01T12:30:54.617438Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-06-01T12:31:54.376089Z", "ended": "2024-06-01T14:36:00.688378Z", "start_waiting": "2024-06-01T12:31:54.252283Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 15377, "name": "Honinbo Nines Title Tournament 2016", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2010.567656741604, "deviation": 68.90930500114358, "volatility": 0.060153245143043765 } }, "ranking": 31.085220759446056, "professional": false, "ui_class": "supporter" }, "description": "Honinbo Nines Title Tournament 2016\n\nTitle Holder: <a href='https://online-go.com/user/view/35184/vitality'>vitality (5d)</a>\n\nHall of Fame:\n<table style=\"text-align:center;\" border='2'>\n<tr><th rowspan=2>Year</th><td colspan=3><b>Title Match</b></td><td colspan=3><b>Title Tournament</b></td></tr>\n<tr>\n\t<th>Winner</th><th>Score</th><th>Runner-up</th>\n\t<th>\n\t\tWinner\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/gold_title_9.png' alt='Gold'></img>\n\t</th>\n\t<th>\n\t\tRunner-up\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/silver_title_9.png' alt='Silver'></img>\n\t</th>\n\t<th>\n\t\t3rd Place\n\t\t<img src='https://a00ce0086bda2213e89f-570db0116da8eb5fdc3ce95006e46d28.ssl.cf1.rackcdn.com/4.2/img/trophies/bronze_title_9.png' alt='Bronze'></img>\n\t</th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2371'>2007</a></td>\n\t<td><b>Spandam</b></td><td></td><td></td>\n\t<td><b>Spandam (2d)</b></td><td>willbrooks</td><td>redacted</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2388'>2008</a></td>\n\t<td><b>KlausP</b></td><td>∗</td><td>Spandam</td>\n\t<td><b>KlausP (3d)</b></td><td>KyuT</td><td>Akimoon</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2404'>2009</a></td>\n\t<td><b>KyuT</b></td><td>3-2</td><td>KlausP</td>\n\t<td><b>KyuT (4d)</b></td><td>KlausP</td><td>phoward</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2421'>2010</a></td>\n\t<td><b>KlausP</b></td><td>∗</td><td>KyuT</td>\n\t<td><b>KlausP (3d)</b></td><td>Highwayman</td><td>kennabee</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2436'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>vitality (5d)</b></td><td>KlausP</td><td>joachim</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2458'>2012</a></td>\n\t<td><b>vitality</b></td><td>4-1</td><td>FromHell</td>\n\t<td><b>vitality (5d)</b></td><td>FromHell</td><td>Wloczykij</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2478'>2013</a></td>\n\t<td><b>vitality</b></td><td>3-2</td><td>gamesorry</td>\n\t<td><b>gamesorry (2d)</b></td><td>nrx</td><td>devariot</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2496'>2014</a></td>\n\t<td><b>vitality</b></td><td>4-1</td><td>devariot</td>\n\t<td><b>devariot (2k)</b></td><td>nrx</td><td>drmwc</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4812'>2015</a></td>\n\t<td colspan=3>TBA: vitality 0-0 Ragnar Danneshild</td>\n\t<td><b>Ragnar Danneshild (1d)</b></td><td>Sadaharu</td><td>vinceuji</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retiring.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "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": 3017, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2016-05-01T07:22:00Z", "players_start": 83, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-01T07:22:58.556115Z", "ended": "2017-03-09T04:43:08.787338Z", "start_waiting": "2016-05-01T07:22:53.974949Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 83, "ranked": true }, { "id": 2068, "name": "kartal382's mini-tournament II", "director": { "id": 38479, "username": "kartal382", "country": "", "icon": "https://secure.gravatar.com/avatar/5e3a69e240ff634b169d441501471c5b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1446.658659756603, "deviation": 66.51655971345899, "volatility": 0.060002263994080755 } }, "ranking": 23.465153476209, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 4, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2013-04-16T03:23:19Z", "ended": "2013-04-16T01:23:19Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2067, "name": "Jeff's mini-tournament", "director": { "id": 11332, "username": "JeffW1961", "country": "un", "icon": "https://user-uploads.online-go.com/715660e5da865a6caec438f45b32d596-64.png", "ratings": { "version": 5, "overall": { "rating": 511.17374945533516, "deviation": 71.56445874057235, "volatility": 0.05989324002930899 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, 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