Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4400
{ "count": 60373, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4401", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4399", "results": [ { "id": 138721, "name": "Handicap Arena 2026 - 027", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1095.4640646956475, "deviation": 64.73601885345741, "volatility": 0.06006781771455953 } }, "ranking": 17.027637408846598, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2026. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-01T08:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-01T03:40:37.210511Z", "ended": null, "start_waiting": "2026-04-01T03:40:36.231891Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 68727, "name": "Carsten V Magnus", "director": { "id": 886893, "username": "ShadowFey", "country": "un", "icon": "https://secure.gravatar.com/avatar/0f055c894ae01b14f3e4e5fe821bfdf1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1194.6200217650803, "deviation": 267.92696962207265, "volatility": 0.06000115002236258 } }, "ranking": 19.0335868658704, "professional": false, "ui_class": "provisional" }, "description": "Carsten V Magnus", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7261, "name": "TG Goklub", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/89b3efbf4d77e9dbd7a9a5609e2deb27-64.png" }, "auto_start_on_max": true, "time_start": "2020-12-08T14:44:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-12-08T14:44:43.119160Z", "ended": "2020-12-08T15:16:33.405054Z", "start_waiting": "2020-12-08T14:44:42.889982Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/89b3efbf4d77e9dbd7a9a5609e2deb27-15.png", "player_count": 2, "ranked": true }, { "id": 59845, "name": "Alex Is the Legend", "director": { "id": 729505, "username": "alexthelegend", "country": "us", "icon": "https://user-uploads.online-go.com/931ed75fe0f03081ab93ef90afda81e2-64.png", "ratings": { "version": 5, "overall": { "rating": 1662.0926434609892, "deviation": 63.903243559215916, "volatility": 0.05985650726691596 } }, "ranking": 26.67885759678551, "professional": false, "ui_class": "" }, "description": "Alex Is The Legend", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 28, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 25, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4796, "name": "The 10 dan pro", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-29T20:35:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-29T20:35:39.933379Z", "ended": "2020-04-29T20:48:10.717403Z", "start_waiting": "2020-04-29T20:35:39.642733Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 59881, "name": "test tournament", "director": { "id": 764006, "username": "Bump-Trinity", "country": "th", "icon": "https://user-uploads.online-go.com/7664ce673a5d82263c5723074177e3e7-64.png", "ratings": { "version": 5, "overall": { "rating": 1963.0968560189722, "deviation": 80.07156894887375, "volatility": 0.05998771840824287 } }, "ranking": 30.532078280182343, "professional": false, "ui_class": "" }, "description": "cverbrynyyrn", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 30, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 2700 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5449, "name": "Trinity Go Online Tournament 2020", "summary": "การแข่งขันหมากล้อม สำหรับนักเรียนหมากล้อม Trinity", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/286a51cf091d5138f96381df4ea6cd1a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-30T15:55:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-30T15:55:28.910179Z", "ended": "2020-04-30T16:28:41.174678Z", "start_waiting": "2020-04-30T15:55:28.170934Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/286a51cf091d5138f96381df4ea6cd1a-15.png", "player_count": 4, "ranked": true }, { "id": 123372, "name": "Torneo clausura", "director": { "id": 1679727, "username": "jcamunez", "country": "un", "icon": "https://secure.gravatar.com/avatar/ce21d8c2882613f4a826f6e2bab00edd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1447.8250837321932, "deviation": 211.75485355582296, "volatility": 0.06000091199961527 } }, "ranking": 23.483811529865267, "professional": false, "ui_class": "provisional" }, "description": "Torneo clausura", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 420, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14886, "name": "SMX2B", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": true, "member_count": 20, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-12-18T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-12-18T11:21:29.906857Z", "ended": "2024-12-18T11:50:14.001909Z", "start_waiting": "2024-12-18T11:21:29.694520Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 15, "ranked": true }, { "id": 123371, "name": "Torneo apertura", "director": { "id": 1679727, "username": "jcamunez", "country": "un", "icon": "https://secure.gravatar.com/avatar/ce21d8c2882613f4a826f6e2bab00edd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1447.8250837321932, "deviation": 211.75485355582296, "volatility": 0.06000091199961527 } }, "ranking": 23.483811529865267, "professional": false, "ui_class": "provisional" }, "description": "Torneo apertura", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14886, "name": "SMX2B", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": true, "member_count": 20, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2024-12-18T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2024-12-18T11:15:40.507847Z", "ended": "2024-12-18T11:50:44.777462Z", "start_waiting": "2024-12-18T11:15:40.293894Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 15, "ranked": true }, { "id": 60385, "name": "Correspondence 13x13 RoundRobin 2020-05-12 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 Sitewide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260724T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-07-24T19:00:53.864840Z", "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": "2026-07-27T19:00:00Z", "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": "2020-05-12T19:00:39.825544Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-12T19:01:42.533382Z", "ended": "2020-06-26T17:59:35.796031Z", "start_waiting": "2020-05-12T19:01:38.965705Z", "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": 57382, "name": "Beginners Tournament", "director": { "id": 724227, "username": "randyb", "country": "un", "icon": "https://secure.gravatar.com/avatar/5c7bd8c317adf27c4b5bcfe448ffc722?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 852.1768177262771, "deviation": 72.92354099369301, "volatility": 0.05997794083457074 } }, "ranking": 11.213762196999804, "professional": false, "ui_class": "supporter" }, "description": "Beginner Tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 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": 3679, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-03-14T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2020-03-13T16:15:45.801257Z", "ended": "2020-06-28T20:34:11.549620Z", "start_waiting": "2020-03-13T16:15:42.215247Z", "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": 59841, "name": "19 times 19 Live Tournament (Kyu only)", "director": { "id": 720484, "username": "JtaoOMG", "country": "cn", "icon": "https://user-uploads.online-go.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1866.3720336200906, "deviation": 64.63461166642907, "volatility": 0.06005553853146774 } }, "ranking": 29.36238292017167, "professional": false, "ui_class": "" }, "description": "19 times 19 Live Tournament (Kyu only)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 36, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 540, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 749, "name": "Chinese Group 中華群 - 奕棋會友 -", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 68, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-29T21:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-29T21:00:41.138670Z", "ended": "2020-04-29T21:19:58.478863Z", "start_waiting": "2020-04-29T21:00:40.864180Z", "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": 59886, "name": "Torneo 13", "director": { "id": 362737, "username": "seranhelo", "country": "co", "icon": "https://user-uploads.online-go.com/c6280536610b91d50418b68e10fc8081-64.png", "ratings": { "version": 5, "overall": { "rating": 1315.4110560105903, "deviation": 60.784797360228325, "volatility": 0.05977725254366489 } }, "ranking": 21.26341906930818, "professional": false, "ui_class": "" }, "description": "torneo de clasificación", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 15360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4667, "name": "Universidad El Bosque", "summary": "UB GO", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-04-30T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-30T20:00:39.275491Z", "ended": "2020-05-07T08:07:22.821658Z", "start_waiting": "2020-04-30T20:00:38.978408Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true } ] }
