Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=5288
{ "count": 59735, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=5289", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=5287", "results": [ { "id": 111583, "name": "9x9 Open D.E. Cup #120", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1266.3339545161286, "deviation": 69.11401413075777, "volatility": 0.0602108012162927 } }, "ranking": 20.383183590549244, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-01-14T20:05:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-15T12:34:58.765341Z", "ended": "2024-05-24T14:18:59.818725Z", "start_waiting": "2024-01-15T12:34:58.575435Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 14616, "name": "Blitz 13x13 Swiss Tournament 2016-02-02 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 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260523T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-05-23T19:00:16.349445Z", "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": "2026-05-23T23:00:00Z", "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": "2016-02-02T19:30:43.933605Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-02-02T19:30:45.446659Z", "ended": "2016-02-02T20:09:10.018007Z", "start_waiting": "2016-02-02T19:30:45.269130Z", "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": 123841, "name": "Kuksu Nines Title Tournament 22nd Cycle", "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": "Kuksu Nines Title Tournament 22nd Cycle\n\nTitle Holder: <a style=\"color:purple\" href='https://online-go.com/player/40318/'>gamesorry [Nines Kuksu] x1</a>\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Cycle</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\">\n\tTitle Tournament Winner\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 style=\"border:1px solid\">\n\t\tTitle Tournament Runner-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 style=\"border:1px solid\">\n\t\tTitle Tournament 3rd Place\n\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/2373'>1</a></td>\n\t<td><b>Neandertaler</b></td><td></td><td></td>\n\t<td><b>Neandertaler (3k)</b></td><td>willbrooks (2d)</td><td>jms (8k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2382'>2</a></td>\n\t<td><b>hotspur</b></td><td>3-2</td><td>Neandertaler</td>\n\t<td><b>hotspur (2d)</b></td><td>Neandertaler (3k)</td><td>KyuT (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2392'>3</a></td>\n\t<td><b>KyuT</b></td><td>∗</td><td>hotspur</td>\n\t<td><b>KyuT (4d)</b></td><td>Neandertaler (3k)</td><td>nare (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2407'>4</a></td>\n\t<td><b>KyuT</b></td><td>4-1</td><td>gomoucha</td>\n\t<td><b>gomoucha (7k)</b></td><td>joachim (1k)</td><td>topazg (3k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2408'>5</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>KyuT</td>\n\t<td><b>KlausP (3d)</b></td><td>joachim (1k)</td><td>illluck (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2415'>6</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>illluck</td>\n\t<td><b>illluck (1d)</b></td><td>joachim (1k)</td><td>Neandertaler (3k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2419'>7</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>KyuT</td>\n\t<td><b>KyuT (4d)</b></td><td colspan=2>joachim (1k), Neandertaler (3k), ivoszz (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2423'>8</a></td>\n\t<td><b>KlausP</b></td><td>3-2</td><td>joachim</td>\n\t<td><b>joachim (1k)</b></td><td>undume (6k)</td><td>ivoszz (5k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2431'>9</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>keiler</td>\n\t<td><b>keiler (1k)</b></td><td>joachim (1k)</td><td>undume (6k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2438'>10</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>surcouf</td>\n\t<td><b>surcouf (1k)</b></td><td>ivoszz (5k)</td><td>joachim (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2440'>11</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>surcouf</td>\n\t<td><b>surcouf (1k)</b></td><td>kennabee (1d)</td><td>joachim (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2450'>12</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>kennabee</td>\n\t<td><b>kennabee (1d)</b></td><td>Zapp (1k)</td><td>joachim (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2461'>13</a></td>\n\t<td><b>joachim</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>joachim (1k)</b></td><td>huangyungjan (3k)</td><td>MatCauthon (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2465'>14</a></td>\n\t<td><b>illluck</b></td><td>4-1</td><td>joachim</td>\n\t<td><b>joachim (1k)</b></td><td>illluck (1d)</td><td>MatCauthon (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2476'>15</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>illluck</td>\n\t<td><b>pollemand (4d)</b></td><td>MatCauthon (2k)</td><td>Adonroid (3k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2480'>16</a></td>\n\t<td><b>pollemand</b></td><td><a href='https://online-go.com/tournament/2548'>3-2</a></td><td>vitality</td>\n\t<td><b>pollemand (4d)</b></td><td>vitality (5d)</td><td>occupant (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2488'>17</a></td>\n\t<td><b>pollemand</b></td><td><a href='https://online-go.com/tournament/2553'>5-0</a></td><td>Mellon</td>\n\t<td><b>Mellon (7k)</b></td><td>zealot (3d)</td><td>smilogo (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2498'>18</a></td>\n\t<td><b>pollemand</b></td><td><a href='https://online-go.com/tournament/3156'>5-0</a></td><td>drmwc</td>\n\t<td><b>drmwc (6d)</b></td><td>gamesorry (3d)</td><td>taikobara (6k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/28071'>19</a></td>\n\t<td><b>drmwc</b></td><td><a href='https://online-go.com/tournament/64979'>3-2</a></td><td>gamesorry</td>\n\t<td><b>Sadaharu (9d+)</b></td><td>gamesorry (3d)</td><td>9981 (3k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/51835'>20</a></td>\n\t<td><b>gamesorry</b></td><td><a href='https://online-go.com/tournament/100939'>4-1 (∗)</a></td><td>drmwc</td>\n\t<td><b>ovijol [4d]</b></td><td>husrev [7d]</td><td>gamesorry [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/83360'>21</a></td>\n\t<td></td><td>(TBA)</td><td></td>\n\t<td><b>gasana [3d]</b></td><td>YourLocalShyBoy [3d]</td><td> gs2020 [3d]</td>\n</tr>\n</table>\n\nNotes:\n- ∗ means some of the games ended due to timeout or retirement of a player.\n- The 1st~18th cycles were using league format. Starting from the 19th cycle, the double-elimination format is used.\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": "double_elimination", "handicap": 0, "rules": "korean", "time_per_move": 107733, "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": false, "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": 2978, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2025-06-28T15:00:00Z", "players_start": 128, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-28T15:00:31.346240Z", "ended": null, "start_waiting": "2025-06-28T15:00:29.451491Z", "board_size": 9, "active_round": 5, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 135, "ranked": true }, { "id": 106404, "name": "19x19 Open D.E. Cup #35", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1266.3339545161286, "deviation": 69.11401413075777, "volatility": 0.0602108012162927 } }, "ranking": 20.383183590549244, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-20T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-17T10:24:21.289866Z", "ended": "2024-12-01T14:58:15.103332Z", "start_waiting": "2023-08-17T10:24:21.149705Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true }, { "id": 15981, "name": "Live 19x19 Swiss Tournament 2016-03-23 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260523T160000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-05-23T16:00:16.293539Z", "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": "2026-05-23T20:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "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": "2016-03-23T20:30:20.010727Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-03-23T20:30:21.552832Z", "ended": "2016-03-23T22:57:12.578288Z", "start_waiting": "2016-03-23T20:30:21.375845Z", "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": 4647, "name": "Live 19x19 Swiss Tournament 2015-01-29 20:30", "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": 4, "name": "Live 19x19 Swiss 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