Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4793
{ "count": 60379, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4794", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4792", "results": [ { "id": 47627, "name": "Blitz 19x19 Elimination Tournament 2019-04-19 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260725T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-25T21:00:53.237978Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-07-26T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2019-04-19T17:30:21.629337Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2019-04-19T17:30:24.149945Z", "ended": "2019-04-19T18:09:14.167445Z", "start_waiting": "2019-04-19T17:30:23.424810Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 8, "ranked": true }, { "id": 17742, "name": "Alan Turing Main 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": 1968.8444998094478, "deviation": 67.76602456192556, "volatility": 0.06015704163382179 } }, "ranking": 30.599758866682205, "professional": false, "ui_class": "supporter" }, "description": "Alan Turing Main 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>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>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>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/2447'>2010</a></td>\n\t<td><b>Uberdude</b></td><td></td><td></td>\n\t<td><b>Uberdude (6d)</b></td><td>vitality</td><td>Elin</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2451'>2011</a></td>\n\t<td><b>vitality</b></td><td>∗</td><td>Uberdude</td>\n\t<td><b>vitality (5d)</b></td><td>nrx</td><td>Elin</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/2469'>2012</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</td><td>Elin</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/7144'>2015</a></td>\n\t<td colspan=3></td>\n\t<td colspan=3>Ongoing: Round 1</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": "chinese", "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": 3003, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2016-08-01T07:00:00Z", "players_start": 192, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-08-01T07:01:41.111827Z", "ended": "2019-03-06T17:31:25.881253Z", "start_waiting": "2016-08-01T07:00:29.627472Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 202, "ranked": true }, { "id": 46825, "name": "Final Frontier Simultaneous McMahon 19x19", "director": { "id": 488500, "username": "Picard", "country": "un", "icon": "https://secure.gravatar.com/avatar/f1c34fa096a5d8ad30ce9febb7d4870e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1470.3231083618412, "deviation": 67.06113000039035, "volatility": 0.0599711398659376 } }, "ranking": 23.840777355800686, "professional": false, "ui_class": "" }, "description": "Final Frontier Tournament\n\nTHE NEXT ONE ON JUNE 25 https://online-go.com/tournament/47800", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "simple", "speed": "correspondence", "system": "simple", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2946, "name": "Final Frontier", "summary": "Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png" }, "auto_start_on_max": false, "time_start": "2019-04-25T19:00:00Z", "players_start": 30, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-04-25T19:00:52.884491Z", "ended": "2020-01-30T07:07:09.633534Z", "start_waiting": "2019-04-25T19:00:42.888274Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png", "player_count": 44, "ranked": true }, { "id": 119044, "name": "Blitz 19x19 Elimination Tournament 2024-08-12 01:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260725T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-25T21:00:53.237978Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-07-26T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-08-12T01:30:06.156482Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2024-08-12T01:31:06.241958Z", "ended": "2024-08-12T01:43:02.732819Z", "start_waiting": "2024-08-12T01:31:06.152900Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 83541, "name": "Theo vs Sam - 1", "director": { "id": 1092193, "username": "SamK", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dfae31bed3c08962b89ee16a0a9a096?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 596.0436059172813, "deviation": 71.07341523215176, "volatility": 0.059893930398414445 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Theo vs Sam - 1", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 10743, "name": "Theo's Go Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-12-10T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-12-14T04:20:21.176278Z", "ended": "2022-12-09T21:46:44.993527Z", "start_waiting": "2021-12-14T04:20:21.088914Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 46294, "name": "Torch's Double Elim Tourny", "director": { "id": 84976, "username": "KrodinShin", "country": "mk", "icon": "https://secure.gravatar.com/avatar/063fc42631ac742c974ed02ad8ea2489?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1692.843505175852, "deviation": 77.89184429426412, "volatility": 0.060025582144297984 } }, "ranking": 27.10324861583183, "professional": false, "ui_class": "" }, "description": "Hey guys InHo from the facebook group here so this is a initial tournament. if we get a good turn out. I plan on possibly doing a one month long round robin tournament. with a bigger prize pool\n\nPRIZES:\nEven if you lose all you games you have a chance to win the prize money. If you wish to donate a bit for the prize pool please email me to discuss.\n\nHOW PRIZES WORK:\nSimple its a lottery draw, the more wins you have the more entries you have Every Win will give you 2 extra spots in the drawing for the prize and then i will contact you for the your pay-pal information.\n\n*Everyone starts with 1 spot in the drawing.\n\n** If i am the only Donateor for the Prize pool then there will be 3 winners. the more donations i get then the winner count will rise to a min of 5 players.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 36, "time_control_parameters": { "period_time": 30, "main_time": 600, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 3, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2949, "name": "Facebook Weiqi/baduk players", "summary": "Fight your way through Facebooks 8k+ baduk players!?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 22, "icon": "https://user-uploads.online-go.com/d0124228aec013b26d51a2735ca14581-64.png" }, "auto_start_on_max": false, "time_start": "2019-03-16T19:00:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2019-03-16T18:58:42.172467Z", "ended": "2019-03-16T23:07:24.975687Z", "start_waiting": "2019-03-16T18:58:40.933879Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d0124228aec013b26d51a2735ca14581-15.png", "player_count": 6, "ranked": true }, { "id": 139151, "name": "THE MONDAY EVENING CHALLENGE !!!!!!", "director": { "id": 1424564, "username": "AdamChen", "country": "gb", "icon": "https://user-uploads.online-go.com/35a206ed6425ec5e5972423128dca01b-64.png", "ratings": { "version": 5, "overall": { "rating": 1207.2841063143303, "deviation": 64.29458537602616, "volatility": 0.060004563211231765 } }, "ranking": 19.277706746111537, "professional": false, "ui_class": "" }, "description": "BYO-YOMI LIVE PUBLIC 25 KYU TO 9 DAN", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 44, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14633, "name": "THE TOURNERMENT PLACE (FOR EVERYBODY !!!!!!)", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-04-12T17:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-14T06:22:55.692429Z", "ended": "2026-04-14T07:24:20.459982Z", "start_waiting": "2026-04-14T06:22:55.588835Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 78711, "name": "BPK Mini Tournament 19x19 EP : 1", "director": { "id": 510353, "username": "มะเฟือง", "country": "th", "icon": "https://user-uploads.online-go.com/dc2da59394ef24fe6bb404acb8fe2ffb-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.0844360299486, "deviation": 65.51245580035878, "volatility": 0.06028191673303621 } }, "ranking": 29.752430986318352, "professional": false, "ui_class": "" }, "description": "BPK Mini Tournament 19x19 EP : 1\nแข่งแบบพบกันหมด ว่างๆ ก็เข้ามาวางหมากด้วยกันนะครับ", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2293, "name": "BPK Maklom Academy", "summary": "กลุ่ม BPK Maklom Academy มีจุดประสงค์ให้สมาชิกชมรมหมากล้อมโรงเรียนบางปะกอกวิทยาคม และ ลูกศิษย์ในสายสำนัก ได้รวมตัวกัน เพื่อทำกิจกรรมการเรียน การแข่งขันร่วมกัน \n\nห้ามมิให้เชิญบุคคลอื่น ที่ไม่มีส่วนเกี่ยวข้อง เพื่อป้องกันการสับสนในการแข่งขัน และ ส่งข่าวสารก", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 173, "icon": "https://user-uploads.online-go.com/3bc58e007ca749345e07db0e2c7a83f6-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-15T11:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-08-15T11:00:48.523410Z", "ended": "2023-01-31T02:20:24.442275Z", "start_waiting": "2021-08-15T11:00:47.846864Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3bc58e007ca749345e07db0e2c7a83f6-15.png", "player_count": 10, "ranked": true }, { "id": 139232, "name": "Блиц 14 апреля", "director": { "id": 659128, "username": "Эльфия Ходжер", "country": "ru", "icon": "https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png", "ratings": { "version": 5, "overall": { "rating": 1128.3497122652661, "deviation": 70.20562175549698, "volatility": 0.060141874992419964 } }, "ranking": 17.71236942299548, "professional": false, "ui_class": "" }, "description": "Хотим игра-а-а-ть!!!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { 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