Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=640
{ "count": 60255, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=641", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=639", "results": [ { "id": 140579, "name": "Honinbo Main 2019 Title Match - Board 4", "director": { "id": 40318, "username": "gamesorry", "country": "cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1980.3415643325782, "deviation": 67.74667820141417, "volatility": 0.0601594143946946 } }, "ranking": 30.73455008255201, "professional": false, "ui_class": "supporter" }, "description": "<!-- \nHoninbo Main 2019 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:red\" href='https://online-go.com/user/view/43936/'>Sadaharu [Honinbo] x2+1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td><b>Board 1</b></td>\n\t<td><b>Board 2</b></td>\n\t<td><b>Board 3</b></td>\n\t<td><b>Board 4</b></td>\n\t<td><b>Board 5</b></td>\n</tr>\n<tr>\n\t<td>13th</td>\n\t<td>2019</td>\n\t<td style=\"color:red\">Honinbo</td>\n\t<td>Main</td>\n\t<td><a style=\"color:red\" href='https://online-go.com/player/43936/'>Sadaharu [Honinbo]</a></td>\n<!-- \t<td><a href='https://online-go.com/player/3696/'>Neandertaler [3d]</a></td> -->\n\t<td><a href='https://online-go.com/player/418737/'>Puffin888 [6d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88115370'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487547'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/88487575'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140579'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140580'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a style='color:red' href='https://online-go.com/tournament/48518'>Honinbo Main Title Tournament 2019</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "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": 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": 2996, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-05T03:14:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2026-07-05T03:14:18.035617Z", "ended": null, "start_waiting": "2026-07-05T03:14:18.003795Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 127796, "name": "แข่งขันนัดแรก", "director": { "id": 1203503, "username": "ฝัน ปัณยตา PAT", "country": "th", "icon": "https://secure.gravatar.com/avatar/2cc9ac772c24592fb77c4eb8e5743a3e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1192.1564768573571, "deviation": 68.72291396848657, "volatility": 0.060554449437211784 } }, "ranking": 18.985797653181532, "professional": false, "ui_class": "" }, "description": "แข่งขันหาผู้ชนะเลิศในห้องเรียนหมากล้อม ปวช.2/10 ภาคเรียนที่ 2", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 20 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15280, "name": "ปวช.2/10 PAT", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 24, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-04-24T04:20:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": false, "exclusivity": "group", "started": "2025-04-24T04:20:16.351166Z", "ended": "2025-04-24T04:22:34.713978Z", "start_waiting": "2025-04-24T04:20:16.305906Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 123115, "name": "#26 Happy Tourney.", "director": { "id": 1144866, "username": "𝙿𝚞𝚝 𝙺.", "country": "001", "icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png", "ratings": { "version": 5, "overall": { "rating": 1158.9562944530496, "deviation": 66.8259201846186, "volatility": 0.06059771656321127 } }, "ranking": 18.33194954821096, "professional": false, "ui_class": "" }, "description": "26th happy tourney, I will create a new tournament with this name every Monday, have fun!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "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": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 75, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-16T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-16T08:00:54.328667Z", "ended": "2025-01-19T08:57:15.561771Z", "start_waiting": "2024-12-16T08:00:54.275391Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 2, "ranked": true }, { "id": 123205, "name": "Tournament test #1", "director": { "id": 1672844, "username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348", "country": "us", "icon": "https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png", "ratings": { "version": 5, "overall": { "rating": 800.7266229935348, "deviation": 70.04385716130463, "volatility": 0.060331232367038926 } }, "ranking": 9.772108826139116, "professional": false, "ui_class": "" }, "description": "Me and anybody here", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 4, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "blitz", "pause_on_weekends": false, "time_increment": 3, "initial_time": 30, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14868, "name": "Study group 9x9, 13x13, 19x19", "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": false, "time_start": "2024-12-13T14:54:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-13T14:54:53.830488Z", "ended": "2024-12-13T14:59:23.466007Z", "start_waiting": "2024-12-13T14:54:53.759824Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 2, "ranked": true }, { "id": 123163, "name": "9x9 League 1d & above #2", "director": { "id": 1670044, "username": "Arrow A6", "country": "un", "icon": "https://secure.gravatar.com/avatar/19c38d84d5fe783ec97cf150f55975ce?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "<a href=\"https://info.flagcounter.com/Y9Gr\"><img src=\"https://s05.flagcounter.com/mini/Y9Gr/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "nz", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14857, "name": "9x9 League", "summary": "<a href=\"https://info.flagcounter.com/dbAS\"><img src=\"https://s01.flagcounter.com/mini/dbAS/bg_000000/txt_FF00FF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 2, "icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-64.png" }, "auto_start_on_max": true, "time_start": "2024-12-14T11:00:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 30, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-24T10:57:55.601620Z", "ended": "2024-12-24T12:00:17.682299Z", "start_waiting": "2024-12-24T10:57:55.558470Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/edf8df185cb659986701293541f25d3f-15.png", "player_count": 2, "ranked": true }, { "id": 124612, "name": "Final Campeonato de Go Invierno 2024", "director": { "id": 798920, "username": "vaik.kanik", 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"hide_details": true, "member_count": 19, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-01-24T01:35:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2025-01-24T01:35:31.514240Z", "ended": "2025-01-24T01:50:56.113325Z", "start_waiting": "2025-01-24T01:35:31.468746Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 123523, "name": "🎄🎄🎄турнир 9 на 9 🎄🎄🎄", "director": { "id": 1679852, "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea", "country": "tr", "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png", "ratings": { "version": 5, "overall": { "rating": 455.94942443569244, "deviation": 73.05424876127188, "volatility": 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"2024-12-22T17:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 21, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-22T19:00:55.356873Z", "ended": "2024-12-24T12:19:04.807135Z", "start_waiting": "2024-12-22T19:00:55.332378Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/fa56564088c1e0dbd50bb8160d94193d-15.png", "player_count": 2, "ranked": true }, { "id": 123510, "name": "🎄🎄🎄турнир 9 на 9 🎄🎄🎄", "director": { "id": 1679852, "username": "deleted-0f8e4e74-060d-4db4-8874-75b6f500b5ea", "country": "tr", "icon": "https://user-uploads.online-go.com/00c0286867c2063aa1d3be6bdba0b9c6-64.png", "ratings": { "version": 5, "overall": { "rating": 455.94942443569244, "deviation": 73.05424876127188, "volatility": 0.06008889600126372 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": 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