Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4932
{ "count": 60085, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4933", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=subsequent_pairing_method&page=4931", "results": [ { "id": 3192, "name": "spencerRRR's go basics", "director": { "id": 86828, "username": "SpencerRRR", "country": "us", "icon": "https://secure.gravatar.com/avatar/3fc4f783fbbabf5e233362bbe71f29bf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1308.6866931504342, "deviation": 70.26964547990887, "volatility": 0.0600178516665556 } }, "ranking": 21.144773076792276, "professional": false, "ui_class": "" }, "description": "a fun way to learn go basics", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18028, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "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": true, "exclusivity": "open", "started": "2014-10-04T01:08:37.372562Z", "ended": "2014-10-15T00:00:13.492324Z", "start_waiting": "2014-10-04T01:08:37.221640Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 0, "ranked": true }, { "id": 1588, "name": "vstjrt's mini-tournament", "director": { "id": 21957, "username": "vstjrt", "country": "pl", "icon": "https://secure.gravatar.com/avatar/edb4758eba17e8dd04863970d8dc1d69?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1834.6842021133657, "deviation": 62.84909341819725, "volatility": 0.05996048151965761 } }, "ranking": 28.965960289273507, "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": 864000, "time_increment": 86400 }, "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": 385, "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": 15, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2012-05-12T06:38:16Z", "ended": "2012-05-12T04:38:16Z", "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": 3078, "name": "19x19 \"Meijin Title\"", "director": { "id": 69458, "username": "MichaelLovesGo", "country": "us", "icon": "https://user-uploads.online-go.com/ca71c341ce8a716fc633f4674b2f5025-64.png", "ratings": { "version": 5, "overall": { "rating": 1053.5659662595153, "deviation": 69.21037218105833, "volatility": 0.0600384109554852 } }, "ranking": 16.12484509229635, "professional": false, "ui_class": "" }, "description": "A Meijin title for beginners!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 864000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8914, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2014-11-17T23:39:48.723085Z", "ended": "2016-11-12T00:03:46.490867Z", "start_waiting": "2014-11-17T23:39:45.256792Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 0, "ranked": true }, { "id": 110830, "name": "Live 19x19 Swiss Tournament 2023-12-20 16:30", "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:20260630T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-30T08:00:17.248895Z", "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": "2026-06-30T12:00:00Z", "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": "2023-12-20T16:30:01.332180Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-12-20T16:31:01.524056Z", "ended": "2023-12-20T18:53:28.001663Z", "start_waiting": "2023-12-20T16:31:01.370735Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 21384, "name": "Blitz 13x13 Swiss Tournament 2016-10-11 15:30", "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:20260630T110000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-06-30T11:00:17.260948Z", "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": "2026-06-30T15:00:00Z", "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": "2016-10-11T15:30:02.360287Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-10-11T15:32:05.189098Z", "ended": "2016-10-11T16:24:26.199415Z", "start_waiting": "2016-10-11T15:32:04.272900Z", "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": 100555, "name": "Meijin Nines 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": 1998.3083813868884, "deviation": 66.82607767115773, "volatility": 0.060164153182569 } }, "ranking": 30.943633388605726, "professional": false, "ui_class": "supporter" }, "description": "Meijin Nines Title Tournament 2023\n\nTitle Holder: <a style=\"color:green\" href='https://online-go.com/player/43936'>Sadaharu [Nines Meijin] 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\">\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/2385'>2008</a></td>\n\t<td><b>Teldris</b></td><td></td><td></td>\n\t<td><b>Teldris (3k)</b></td><td>Akimoon (1k)</td><td>littleman (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2401'>2009</a></td>\n\t<td><b>KlausP</b></td><td>5-0</td><td>Teldris</td>\n\t<td><b>KlausP (3d)</b></td><td>RaikB (9k)</td><td>smed (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2417'>2010</a></td>\n\t<td><b>KlausP</b></td><td>4-1</td><td>illluck</td>\n\t<td><b>KlausP (3d)</b></td><td>illluck (1d)</td><td>mouton (1d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2433'>2011</a></td>\n\t<td><b>KlausP</b></td><td>3-2</td><td>vitality</td>\n\t<td><b>vitality (5d)</b></td><td>KlausP (3d)</td><td>FernandoPR (4k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2455'>2012</a></td>\n\t<td><b>pollemand</b></td><td>∗</td><td>KlausP</td>\n\t<td><b>pollemand (3d)</b></td><td>Adonroid (1k)</td><td>vitality (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2473'>2013</a></td>\n\t<td><b>pollemand</b></td><td>5-0</td><td>yanpin</td>\n\t<td><b>yanpin (2d)</b></td><td>vitality (5d)</td><td>jukucho (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2493'>2014</a></td>\n\t<td><b>drmwc</b></td><td>∗</td><td>pollemand</td>\n\t<td><b>drmwc (6d)</b></td><td>gamesorry (3d)</td><td>devariot (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/4532'>2015</a></td>\n\t<td><b>mark5000</b></td><td>3-2</td><td>drmwc</td>\n\t<td><b>mark5000 (2d)</b></td><td>一只安东尼 (3d)</td><td>Hikachu (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/13886'>2016</a></td>\n\t<td><b>mark5000</b></td>\n\t<td>3-0</td>\n\t<td>dexy</td>\n\t<td><b>dexy (1d)</b></td>\n\t<td>mark5000 (2d)</td>\n\t<td>zebra (1k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/23980'>2017</a></td>\n\t<td><b>mark5000</b></td>\n\t<td><a href='https://online-go.com/game/11573150'>3-2</a></td>\n\t<td>Sadaharu</td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>gamesorry (4d)</td>\n\t<td>silk (2k)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/33908'>2018</a></td>\n\t<td><b>smurph</b></td>\n\t<td><a href='https://online-go.com/game/17730520'>4-1</a></td>\n\t<td>mark5000</td>\n\t<td><b>smurph (6d)</b></td>\n\t<td>Baklan (7d)</td>\n\t<td>Lomis (3d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43368'>2019</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73465'>5-0 (∗)</a></td>\n\t<td>Baklan</td>\n\t<td><b>Sadaharu [9d]</b></td>\n\t<td>Baklan [6d]</td>\n\t<td>Borealiz [7d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/56359'>2020</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/87350'>5-0</a></td>\n\t<td>Myosu</td>\n\t<td><b>Myosu [6d]</b></td>\n\t<td>AlGebr [3d]</td>\n\t<td>lovecall [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69385'>2021</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>zanio</td>\n\t<td><b>Sadaharu [5d]</b></td>\n\t<td>zanio [2k]</td>\n\t<td>Novakun [4d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/86186'>2022</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Novakun [6d]</b></td>\n\t<td>Rise. [3d]</td>\n\t<td>まいどー(^笑^)/ [3d]</td>\n</tr>\n</table>\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks are displayed for cycles before 2017.\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": 107733, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "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": 2991, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2023-05-10T07:00:00Z", "players_start": 100, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-05-10T21:03:05.623438Z", "ended": "2023-12-22T09:06:47.772383Z", "start_waiting": "2023-05-10T21:02:59.534833Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 100, "ranked": true }, { "id": 21363, "name": "Live 19x19 Swiss Tournament 2016-10-10 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:20260630T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-06-30T08:00:17.248895Z", "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": 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