Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4833
{ "count": 60366, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4834", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4832", "results": [ { "id": 109008, "name": "Hello November", "director": { "id": 1290047, "username": "TaroMan", "country": "zz", "icon": "https://user-uploads.online-go.com/0a1bf82f79b8cfa1ec48474db6a9488f-64.png", "ratings": { "version": 5, "overall": { "rating": 1074.5194898914124, "deviation": 64.06811999242666, "volatility": 0.05991128509978694 } }, "ranking": 16.580738202358354, "professional": false, "ui_class": "" }, "description": "Hi Long time no tournament. This is a round-robin tournament for beginners, so expect a lot of games coming at one time. Also, this tournament is limited to 10 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13496, "name": "Happy Beginners", "summary": "Good luck and have fun everyone :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-64.png" }, "auto_start_on_max": false, "time_start": "2023-11-01T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-01T15:00:13.171702Z", "ended": "2023-12-29T01:33:22.663694Z", "start_waiting": "2023-11-01T15:00:12.842853Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-15.png", "player_count": 8, "ranked": true }, { "id": 100549, "name": "13th Kuksu Main 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": 1968.8444998094478, "deviation": 67.76602456192556, "volatility": 0.06015704163382179 } }, "ranking": 30.599758866682205, "professional": false, "ui_class": "supporter" }, "description": "<!-- 13th Kuksu Main Title Match - Board 1 -->\n\nTitle Holder: \n<a style=\"color:purple\" href='https://online-go.com/user/view/43936/'>Sadaharu [Kuksu] x1</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>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</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></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>13th</td>\n\t<td style=\"color:purple\">Kuksu</td>\n\t<td>Main</td>\n\t<td>2021</td>\n\t<td><a style=\"color:purple\" href='https://online-go.com/user/view/43936/'>Sadaharu [Kuksu]</a></td>\n\t<td><a href='https://online-go.com/player/1044/'>drmwc [5d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/51949612'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/51949657'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/view/51949690'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100549'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/100550'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/62321'>Kuksu Main Title Tournament 13th Cycle</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": "korean", "time_per_move": 91187, "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": 3003, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2023-03-16T07:16:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-03-16T07:16:55.072385Z", "ended": "2023-10-14T10:12:29.534509Z", "start_waiting": "2023-03-16T07:16:55.015982Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 22904, "name": "3rd Winter YD Invitational", "director": { "id": 151, "username": "flakeman2", "country": "us", "icon": "https://secure.gravatar.com/avatar/477b199ab652cc735c5dbd4d10d08fb4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1810.5108749148442, "deviation": 63.194829877341085, "volatility": 0.05995527370617166 } }, "ranking": 28.658914594047587, "professional": false, "ui_class": "supporter" }, "description": "Mark your calenders! It's time for the Winter Yunguseng Dojang Invitational Tournament. Open to all past, present, and potential future YD members (read everyone). Let's have a good game! http://yunguseng.com/\n\nThere will be prizes this year!\n\n1st Place Prize: $20 Amazon gift card\n\n2nd Place Prize: http://www.crunchyroll.com 48-Hour Guest Pass", "schedule": null, "title": null, "tournament_type": "elimination", "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": false, "group": { "id": 456, "name": "Yunguseng Dojang", "summary": "In-seong's Yunguseng Dojang", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 118, "icon": "https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-64.png" }, "auto_start_on_max": false, "time_start": "2016-12-17T19:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-12-17T19:30:31.469608Z", "ended": "2016-12-17T22:25:39.798125Z", "start_waiting": "2016-12-17T19:30:29.594139Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f1d2f59508fed7916b5aea841d2ad8f6-15.png", "player_count": 26, "ranked": true }, { "id": 107628, "name": "Go Zodiac Friendship Games Online ราศีกันย์ รุ่น D กระดาน 19x19 (5-8 คิว)", "director": { "id": 912070, "username": "cp04", "country": "un", "icon": "https://user-uploads.online-go.com/de68cddd8756dc15dabf0412cd45dfe9-64.png", "ratings": { "version": 5, "overall": { "rating": 1171.5681194823871, "deviation": 275.0962226815631, "volatility": 0.06000797391824347 } }, "ranking": 18.58250826178468, "professional": false, "ui_class": "provisional" }, "description": "Go Zodiac Friendship Games Online ราศีกันย์ รุ่น D กระดาน 19x19 (5-8 คิว)", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", 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"https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png", "player_count": 32, "ranked": true }, { "id": 132683, "name": "Blitz 19x19 Elimination Tournament 2025-09-23 13:30", "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:20260724T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-07-24T13:00:53.136968Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, 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