Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=min_ranking&page=5822
{ "count": 59454, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=5823", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=5821", "results": [ { "id": 1384, "name": "Koworu's mini-tournament", "director": { "id": 18317, "username": "Koworu", "country": "un", "icon": "https://secure.gravatar.com/avatar/fc50c6bedbf20e687f14e33c1ed34eb0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1751.1741032696373, "deviation": 63.61724873998119, "volatility": 0.059966677759709666 } }, "ranking": 27.88749692120436, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 383, "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": 18, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2011-05-03T15:23:00Z", "ended": "2011-05-03T13:23:00Z", "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": 129971, "name": "Primus inter pares (4) (12 k only)", "director": { "id": 1218730, "username": "Petru Dumitriu", "country": "ro", "icon": "https://user-uploads.online-go.com/c234bf3d6aabfd36a9d9dd48123a71e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1101.5856537935, "deviation": 63.95826053520255, "volatility": 0.05977796693065795 } }, "ranking": 17.15664236777043, "professional": false, "ui_class": "" }, "description": "Dear 12 k players,\n\nThis is really unique and (no longer) unprecedented. A tournament dedicated exclusively to serious and dedicated 12 k players. The new format has proved to be attractive and successful.\n\nThe previous edition of the round robin took shorter than any other tournament I participate in: from February till May. It will give you a quick but meaningful assessment of your potential\n\nThe best chance to focus and to enjoy a challenging tournament, free of frustration, pure pleasure. \n\nJoin as soon as you can to make sure that you are still 12 k.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 655, "name": "Romania", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 30, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-06-29T15:00:00Z", "players_start": 9, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-01T04:27:26.656544Z", "ended": "2025-10-15T15:33:29.879944Z", "start_waiting": "2025-07-01T04:27:26.179491Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 9, "ranked": true }, { "id": 36946, "name": "Summer Lviv Tournament - Middle", "director": { "id": 79, "username": "oldyew", "country": "ua", "icon": "https://user-uploads.online-go.com/bb1683794b493824cb4605735bcfb9b7-64.png", "ratings": { "version": 5, "overall": { "rating": 1705.3371445600435, "deviation": 62.790139205239456, "volatility": 0.06003537827844153 } }, "ranking": 27.273474442381108, "professional": false, "ui_class": "" }, "description": "Summer Lviv Tournament - Middle", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 35520, "time_control_parameters": { "period_time": 604800, "main_time": 604800, "system": "canadian", "pause_on_weekends": false, "time_control": "canadian", "stones_per_period": 21, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1460, "name": "Lviv Club", "summary": "Lviv Go Players Group", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 28, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-05-07T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "invite", "started": "2018-05-07T09:00:13.563771Z", "ended": "2018-07-09T12:54:37.494883Z", "start_waiting": "2018-05-07T09:00:06.970932Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 101659, "name": "Mid-Speed Open (9x9, Mid-K) #2", "director": { "id": 1303195, "username": "eaglejoy", "country": "001", "icon": "https://user-uploads.online-go.com/d4b7c1948ffe6ed5f80f075d40a13547-64.png", "ratings": { "version": 5, "overall": { "rating": 1814.5278273894323, "deviation": 67.29577928717005, "volatility": 0.05999029476123887 } }, "ranking": 28.710220246475455, "professional": false, "ui_class": "" }, "description": "<hr>\n<h2>What makes our matches unique?</h2>\n\n<ol>\n<li>The matches are <strong>true</strong> fast correspondence, — more than 2 moves per clock day.</li>\n<li>We have a Rank Difference Compensation policy which makes matches close, and lower-kyu players have more opportunities to get a good place.</li>\n<li>We use 'type rank' (such as 9x9 cor. rank) rather than the overall rank.</li>\n</ol>\n\n<hr>\n<h2>Additional rules</h2>\n\n<ol>\n <li>Pause or Vacation mode is not allowed</li>\n <li>The participants whose <strong>ratings are far higher/lower than the average ratkings of opponents will get adjusted points</strong>; for instance, 2 kyus higher or lower will be plus or minus 0.5 result points.</li>\n</ol>\n\n<h2>Attention</h2>\n\n<h3>Speed and Time-out</h3>\n\nKeep in mind that the avg speed of one game is about <u>3 moves per calendar day (or 12 hrs of your clock time)</u> per player. Since the Round Robin will activate several games simultaneously, for a match with five players, the avg speed times 4. To respect your opponents and the match organizer, <strong>please try to avoid time out as far as possible.</strong>. \n\nLoss by time out will be labeled as \"disqualified\" on the table by OGS' program automatically.\n\nLoss by time out will affect your reputation in this Match system.\n\n<h2>Tips</h2>\n\n<ul>\n <li>Use Plan Conditional Moves to speed up</li>\n <li>To pay more attention to the progress of this tournament (use filter "Game" in Active Games list on the Home page or Profile page, or press "Ctrl+F" to find the key strings "<strong>Mid-</strong>" )</li>\n <li>Meanwhile, for better quality, no need to play too many moves a day — after all, Mid-Speed Match is not a live game.</li>\n</ul>\n\n<hr />\n\n<h3>Ref</h3>\n\n<ul>\n <li><a href=\"https://online-go.com/tournament/101569\">Previous tournament</a></li>\n <li><a href=\"https://online-go.com/group/12936\">About the <strong>Mid-speed</strong> Group</a></li>\n</ul>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 37608, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 172800, "stones_per_period": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12936, "name": "Mid-speed", "summary": "Middle speed matches, not so hurry, not so slow.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png" }, "auto_start_on_max": true, "time_start": "2023-04-09T17:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 24, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-09T03:09:00.036531Z", "ended": "2023-04-14T02:03:16.610542Z", "start_waiting": "2023-04-09T03:08:59.917904Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png", "player_count": 5, "ranked": true }, { "id": 2720, "name": "Beholder's Wintertournament 2013/14", "director": { "id": 29697, "username": "Beholder", "country": "_Klingon", "icon": "https://user-uploads.online-go.com/980ce19e084a014ad225f1b82fb8c371-64.png", "ratings": { "version": 5, "overall": { "rating": 1983.5403866286017, "deviation": 64.13310938682898, "volatility": 0.05979892173007432 } }, "ranking": 30.771913835128082, "professional": false, "ui_class": "" }, "description": "Little winter tournament\nwill start when 7 players have joined", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "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": 383, "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": 18, "max_ranking": 22, "analysis_enabled": false, "exclusivity": "open", "started": "2013-12-21T22:32:59.898885Z", "ended": "2014-08-01T12:33:15.784971Z", "start_waiting": "2013-12-21T22:30:41.593025Z", "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": 96315, "name": "TLX Tournament", "director": { "id": 1095664, "username": "USE17", "country": "un", "icon": "https://secure.gravatar.com/avatar/8a6e68aaae476904d26cb7a7372643ea?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1188.792006203979, "deviation": 61.76404829061147, "volatility": 0.0606255655038105 } }, "ranking": 18.920372006199532, "professional": false, "ui_class": "" }, "description": "Beginners tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 15, "periods": 4 }, "is_open": true, "exclude_provisional": true, "group": { "id": 28, "name": "Teaching League", "summary": "The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 4482, "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png" }, "auto_start_on_max": false, "time_start": "2022-11-02T01:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 27, "analysis_enabled": true, "exclusivity": "open", "started": "2022-11-02T01:00:42.929694Z", "ended": "2022-11-02T01:27:53.848543Z", "start_waiting": "2022-11-02T01:00:42.873535Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png", "player_count": 3, "ranked": true }, { "id": 102519, "name": "Mid-Speed Open (9, L5) #4", "director": { "id": 1341412, "username": "match_Mid-Speed.gr", "country": "un", "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png", "ratings": { "version": 5, "overall": { "rating": 1653.8814751249, "deviation": 94.41219595830631, "volatility": 0.060012300603352955 } }, "ranking": 26.564207163029423, "professional": false, "ui_class": "" }, "description": "Note: This time seting is equivalent to “<strong>1 move</strong> per calendar day per player”.\n\n<h2>Additional Rules</h2>\n\n<ul>\n\n<li>This Open match only welcome the players who have no <strong>apologyless</strong> time-out in recent 20 correspondence games</li>\n\n<li>Pause or Vacation mode is not allowed</li>\n\n</ul>\n\n<details>\n\n<summary style=\"font-size: 24px;\"><strong>Info for New Guests</strong> <span style=\"font-size:16px;\">(click to see or hide)</span></summary>\n<h3>Attention</h3>\n\n\nI know that if I have no time to complete a game for some reasons, or if I feel frustrated by losing, the proper way is to resign and say sorry to my opponent, rather than letting time-out happen.\n\n<h3>Tips</h3>\n\nI know how to use Plan Conditional Moves to speed up (such as Sente, the big value point at endgame…).\n\nI know this is a fast corr., so I will apply the highest priority to it in my Active Games List.\n\n</details>", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 46248, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "stones_per_period": 2 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12936, "name": "Mid-speed", "summary": "Middle speed matches, not so hurry, not so slow.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png" }, "auto_start_on_max": true, "time_start": "2023-04-30T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 18, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-29T13:58:18.211376Z", "ended": "2023-05-22T18:06:17.150015Z", "start_waiting": "2023-04-29T13:58:18.098439Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png", "player_count": 4, "ranked": true }, { "id": 1564, "name": "TAKEDA RYU Tournament", "director": { "id": 2183, "username": "udhar_nabresh", "country": "ro", "icon": "https://secure.gravatar.com/avatar/c00d28977111f76b775edc5ed92b2295?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1430.6379702758084, "deviation": 62.50131544354529, "volatility": 0.0592996217652986 } }, "ranking": 23.2073539915303, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "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": 383, "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": 18, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2011-11-26T17:57:02Z", "ended": "2011-11-26T16:57:02Z", "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": 1722, "name": "Mellon's mini-tournament", "director": { "id": 15325, "username": "Mellon", "country": "gb", "icon": "https://secure.gravatar.com/avatar/17e78cb35d68bae404a809d65d5b6aa0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1926.4135742067801, "deviation": 69.65093113873655, "volatility": 0.06020779063835434 } }, "ranking": 30.095394450752128, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "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": 383, "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": 18, "max_ranking": 27, "analysis_enabled": false, "exclusivity": "open", "started": "2012-02-20T12:15:49Z", "ended": "2012-02-20T11:15:49Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 2303, "name": "slowpoke's mini-tournament", "director": { "id": 30534, "username": "jaguarundi", "country": "gb", "icon": "https://user-uploads.online-go.com/7a4d22da7e3b4bbb0cb834ae8c42ac42-64.png", "ratings": { "version": 5, "overall": { "rating": 1701.4342417048633, "deviation": 86.32527234514384, "volatility": 0.0600052976375282 } }, "ranking": 27.220431704620708, "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": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "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": 383, "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": 18, "max_ranking": 24, "analysis_enabled": false, "exclusivity": "open", "started": "2013-10-10T18:08:16Z", "ended": "2013-10-10T16:08:16Z", "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 } ] }
