Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1664
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"cn", "icon": "https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2005.6088688450825, "deviation": 68.91898711531289, "volatility": 0.06015473951207492 } }, "ranking": 31.028053950463246, "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/tournament/140577'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/140578'>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": 3016, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2026-07-05T03:10:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2026-07-05T03:10:18.078793Z", "ended": null, "start_waiting": "2026-07-05T03:10:18.037382Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 56971, "name": "Blitz 19x19 Elimination Tournament 2020-02-27 13:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, 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