Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=2084
{ "count": 61008, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=2085", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=2083", "results": [ { "id": 4142, "name": "Wiena open", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 744.4176079866737, "deviation": 70.60953865067687, "volatility": 0.059126169615418986 } }, "ranking": 8.084070651425364, "professional": false, "ui_class": "supporter" }, "description": "oijg dfz", "schedule": null, "title": null, "tournament_type": "swiss", "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": false, "group": { "id": 445, "name": "Go7wien", "summary": "Wiener Go Klub", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-64.png" }, "auto_start_on_max": true, "time_start": "2015-01-15T08:30:00Z", "players_start": 5, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-01-17T16:11:22.638410Z", "ended": "2015-03-26T11:28:12.130183Z", "start_waiting": "2015-01-17T16:11:21.932425Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/dc8c9fc51f6266ef1f39c0eb7b0c81f3-15.png", "player_count": 5, "ranked": true }, { "id": 106714, "name": "Yayyy! Super Happy Fun Title!", "director": { "id": 1326663, "username": "XxDanieldaOtakuxX", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/a51c61ad371c4f2621c5ad2d44fda7fa-64.png", "ratings": { "version": 5, "overall": { "rating": 950.2495113712463, "deviation": 67.80723575223263, "volatility": 0.060129919277886315 } }, "ranking": 13.735504564197907, "professional": false, "ui_class": "" }, "description": "Description is required so here.\n\nhttps://youtu.be/dQw4w9WgXcQ\n\n\nOGS disliked my other titles\n\n\nAlso this is intended for the Gen Z group. If I make it members only then others of us will not even know that this group exists.\n\n\nI guess others can join as well.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 94606, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 1036800, "max_time": 1036800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13500, "name": "Gen Z", "summary": "fool around.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/18772b726e37c5d84e9ca403912795f5-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-24T20:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-24T20:00:31.367273Z", "ended": "2023-10-20T09:51:39.031246Z", "start_waiting": "2023-08-24T20:00:31.128063Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/18772b726e37c5d84e9ca403912795f5-15.png", "player_count": 6, "ranked": true }, { "id": 55510, "name": "Correspondence 13x13 RoundRobin 2020-01-10 19:01", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260910T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-09-10T19:00:36.362652Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-13T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-01-10T19:01:01.122543Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-10T19:02:06.042082Z", "ended": "2020-02-14T00:01:53.373561Z", "start_waiting": "2020-01-10T19:02:00.781603Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 117617, "name": "Correspondence 9x9 RoundRobin 2024-06-30 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260911T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-09-11T19:00:36.178494Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-14T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-06-30T19:00:16.150161Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-06-30T19:00:16.330864Z", "ended": "2024-07-09T11:42:44.666309Z", "start_waiting": "2024-06-30T19:00:16.179909Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 5, "ranked": true }, { "id": 114669, "name": "Correspondence 19x19 RoundRobin 2024-04-08 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260909T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-09-09T19:00:35.914436Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-09-12T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2024-04-08T19:00:44.252737Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-04-08T19:00:45.091136Z", "ended": "2024-12-04T23:05:16.546216Z", "start_waiting": "2024-04-08T19:00:44.401168Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 16743, "name": "hope Springs eternal", "director": { "id": 273, "username": "Tom Newman", "country": "001", "icon": "https://user-uploads.online-go.com/6d5cf13f983d9626e25ef9a1cb063741-64.png", "ratings": { "version": 5, "overall": { "rating": 1026.358287334852, "deviation": 64.23935471188264, "volatility": 0.06015436796897468 } }, "ranking": 15.519156019021016, "professional": false, "ui_class": "supporter" }, "description": "Spring handicap match", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "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": 839, "name": "Friendly Competition", "summary": "Friendly Games", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 13, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-04-30T13:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "group", "started": "2016-04-30T13:00:57.597294Z", "ended": "2018-06-07T19:45:05.557925Z", "start_waiting": "2016-04-30T13:00:57.497139Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 95392, "name": "1 -> 余丞浚 2 -> 原彩宸", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "1 -> 余丞浚\n2 -> 原彩宸", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 30, "period_time": 10, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-10-07T07:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-10-07T06:45:26.887569Z", "ended": "2022-10-07T06:59:59.928739Z", "start_waiting": "2022-10-07T06:45:26.830529Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 105822, "name": "9x9 Mini League 10k-25k #168", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1375.2150884219125, "deviation": 72.78359348571703, "volatility": 0.06030501557246968 } }, "ranking": 22.292689828512486, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 715, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-07-30T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-28T10:12:58.100204Z", "ended": "2023-08-22T19:59:34.202053Z", "start_waiting": "2023-07-28T10:12:57.936209Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 56889, "name": "3rd Atlanta 9x9 Fire: Group 2A", "director": { "id": 473434, "username": "DoubleSente", "country": "us", "icon": "https://user-uploads.online-go.com/7a52b9c53ec155ff3c7d9a45c75edecf-64.png", "ratings": { "version": 5, "overall": { "rating": 1891.386906647593, "deviation": 62.91280212348621, "volatility": 0.05998964037582742 } }, "ranking": 29.67060006447044, "professional": false, "ui_class": "" }, "description": "Top 2 move on to the final round!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 30720, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 28800, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3777, "name": "Atlanta Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-64.png" }, "auto_start_on_max": false, "time_start": "2020-02-28T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-02-25T17:15:22.138658Z", "ended": "2020-03-11T19:12:14.827161Z", "start_waiting": "2020-02-25T17:15:20.956632Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0518472c36e05a1ac71136d7fb356f1e-15.png", "player_count": 4, "ranked": true }, { "id": 94943, "name": "B24-Make Good (Test)", "director": { "id": 3431, "username": "LotS", "country": "my", "icon": "https://user-uploads.online-go.com/698d8d99ffdbb2ceea9092cc19f45966-64.png", "ratings": { "version": 5, "overall": { "rating": 1988.3534256157814, "deviation": 68.39179122076368, "volatility": 0.06009297249651998 } }, "ranking": 30.82801901434861, "professional": false, "ui_class": "supporter" }, "description": "Make good tournament for students not meeting requirements", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 436, "name": "TARUMT Weiqi CoQ", "summary": "For TARUMT weiqi CoQ student", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 3663, "icon": "https://user-uploads.online-go.com/0985e043b71ea3001c5d32b9e625d369-64.png" }, "auto_start_on_max": false, "time_start": "2022-09-25T13:45:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-25T00:06:34.724512Z", "ended": "2022-09-25T00:13:17.081968Z", "start_waiting": "2022-09-25T00:06:34.639062Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/0985e043b71ea3001c5d32b9e625d369-15.png", "player_count": 3, "ranked": true } ] }
