Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=1184
{ "count": 59625, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1185", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=1183", "results": [ { "id": 78434, "name": "Correspondence 9+9 board", "director": { "id": 1014509, "username": "Layla 13 kyu", "country": "th", "icon": "https://user-uploads.online-go.com/6f8c33128b19ab61334d5bc83145219e-64.png", "ratings": { "version": 5, "overall": { "rating": 629.0920537858701, "deviation": 175.58736163267193, "volatility": 0.06000406635550553 } }, "ranking": 5, "professional": false, "ui_class": "provisional" }, "description": "Okay 👌", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6332, "name": "noob_bot", "summary": "Play with bots", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 884, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": false, "time_start": "2021-08-05T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-06T18:28:21.109412Z", "ended": "2021-08-30T15:21:58.756942Z", "start_waiting": "2021-08-06T18:28:20.944680Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 4, "ranked": true }, { "id": 79268, "name": "School tounament", "director": { "id": 716695, "username": "GroSeigenT", "country": "cz", "icon": "https://secure.gravatar.com/avatar/277ed6f1c5de0844f44c769d385d7fb2?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1296.591449232776, "deviation": 66.93535958636359, "volatility": 0.06011093795549732 } }, "ranking": 20.92981951473309, "professional": false, "ui_class": "" }, "description": "This is my school tournament.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 4881, "name": "Karlovarlský OGS tým", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 4, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-09-01T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-01T06:00:02.164087Z", "ended": "2021-09-22T14:23:58.635204Z", "start_waiting": "2021-09-01T06:00:02.058356Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 85815, "name": "happy lunar new year!", "director": { "id": 769863, "username": "fire donut", "country": "us", "icon": "https://user-uploads.online-go.com/0a0517e79ef81968565fcce31df6ff34-64.png", "ratings": { "version": 5, "overall": { "rating": 1286.3970574329985, "deviation": 64.97675973216174, "volatility": 0.06003162969583421 } }, "ranking": 20.747084365163868, "professional": false, "ui_class": "" }, "description": "This is a bit late but have fun!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 262080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 259200, "initial_time": 259200, "max_time": 864000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6414, "name": "Hot Cocoa", "summary": "\n", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 13, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-64.png" }, "auto_start_on_max": false, "time_start": "2022-02-12T23:00:00Z", "players_start": 5, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 15, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-02-12T23:00:32.909181Z", "ended": "2023-03-01T17:25:26.547517Z", "start_waiting": "2022-02-12T23:00:32.719615Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/660a7a6eaa2b62267cc2569e946eb3cf-15.png", "player_count": 7, "ranked": true }, { "id": 22044, "name": "Blitz 19x19 Elimination Tournament 2016-11-08 17:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260512T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-12T21:00:49.709468Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-13T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-11-08T17:30:08.330762Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-11-08T17:30:10.089308Z", "ended": "2016-11-08T17:55:12.580412Z", "start_waiting": "2016-11-08T17:30:09.832859Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 22013, "name": "PLS PLAY", "director": { "id": 237158, "username": "KayoHinazuki", "country": "nz", "icon": "https://user-uploads.online-go.com/d4ea662480f07f544aee270dd81a8737-64.png", "ratings": { "version": 5, "overall": { "rating": 1511.0565920361616, "deviation": 63.967486079391776, "volatility": 0.05990920813732416 } }, "ranking": 24.473396426806328, "professional": false, "ui_class": "" }, "description": "DO IT", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 7 }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3659, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2016-11-07T12:55:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-11-07T12:55:34.547244Z", "ended": "2016-11-07T23:26:51.899848Z", "start_waiting": "2016-11-07T12:55:34.347982Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 1826, "name": "johnkelly's mini-tournament", "director": { "id": 31684, "username": "johnkelly", "country": "pl", "icon": "https://secure.gravatar.com/avatar/64843f96a2c892964306d188a25753f3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1365.259772629646, "deviation": 67.77574780025066, "volatility": 0.05987752699667684 } }, "ranking": 22.124495200892813, "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": 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": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2012-07-25T12:28:10Z", "ended": "2012-07-25T10:28:10Z", "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": 78502, "name": "Rising Star Tournament.", "director": { "id": 1015881, "username": "yourboy", "country": "un", "icon": "https://secure.gravatar.com/avatar/b3f60bfd36109fe990dca8acbefdc8ce?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1287.5459209656915, "deviation": 65.02090501388498, "volatility": 0.06000497128059354 } }, "ranking": 20.76775008524488, "professional": false, "ui_class": "" }, "description": "DDK rising stars journey starts here.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9521, "name": "yourboy's friends", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-08-06T19:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 12, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-12T11:16:35.747421Z", "ended": "2021-08-20T17:49:12.675280Z", "start_waiting": "2021-08-12T11:16:35.004987Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 86584, "name": "26-2 覃晉謙\t\t吳卓庭", "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": "26-2 覃晉謙\t\t吳卓庭", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 20, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-02-26T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-02-26T10:07:27.413758Z", "ended": "2022-02-26T10:56:27.124636Z", "start_waiting": "2022-02-26T10:07:27.365274Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 68398, "name": "Christmas~~", "director": { "id": 854377, "username": "P6A26", "country": "hk", "icon": "https://user-uploads.online-go.com/4447322d8f12cad083f062e5b9c11bab-64.png", "ratings": { "version": 5, "overall": { "rating": 1097.431394508065, "deviation": 65.22875293950527, "volatility": 0.059992788967371175 } }, "ranking": 17.069174908671343, "professional": false, "ui_class": "" }, "description": "It’s Christmas \n~~", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 5925, "name": "Group for GO", "summary": "Don't have a group? No problem, just join this group!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 70, "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-24T23:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2020-12-24T23:00:56.536141Z", "ended": "2021-12-29T22:27:32.131230Z", "start_waiting": "2020-12-24T23:00:54.909107Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ae175eb5d15786b87350b71f278bbb9e-15.png", "player_count": 46, "ranked": true }, { "id": 22063, "name": "Blitz 19x19 Elimination Tournament 2016-11-09 09:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260512T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-12T21:00:49.709468Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-05-13T01:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-11-09T09:30:58.285296Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-11-09T09:30:59.818343Z", "ended": "2016-11-09T09:45:53.314374Z", "start_waiting": "2016-11-09T09:30:59.615403Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true } ] }
