Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1898
{ "count": 59169, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1899", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1897", "results": [ { "id": 129522, "name": "9x9 Mini League 10k-25k #308", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1307.6702706318495, "deviation": 68.63718845989344, "volatility": 0.060204824930501735 } }, "ranking": 21.126786095035047, "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": true, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-22T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-20T13:48:26.994297Z", "ended": "2025-08-21T13:08:54.023693Z", "start_waiting": "2025-06-20T13:48:26.846228Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 130429, "name": "9x9 Mini League 10k-25k #315", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1307.6702706318495, "deviation": 68.63718845989344, "volatility": 0.060204824930501735 } }, "ranking": 21.126786095035047, "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": true, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-20T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-17T19:23:18.834145Z", "ended": "2025-08-20T22:32:48.390874Z", "start_waiting": "2025-07-17T19:23:18.664145Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 130000, "name": "Handicap Arena 2025 - 054", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1089.6332903046768, "deviation": 63.561229092122176, "volatility": 0.0600701938224777 } }, "ranking": 16.904088911362457, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-02T15:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-02T03:07:44.440729Z", "ended": "2025-08-19T06:47:11.707416Z", "start_waiting": "2025-07-02T03:07:44.303315Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 129872, "name": "Correspondence 13x13 RoundRobin 2025-06-27 19:00", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260329T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-29T19:00:12.794003Z", "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": "2026-04-01T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": "2025-06-27T19:00:29.361678Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-27T19:01:29.482354Z", "ended": "2025-08-17T05:29:46.183892Z", "start_waiting": "2025-06-27T19:01:29.347696Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 131489, "name": "Live 9x9 Double Elimination Tournament 2025-08-16 22:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260329T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-29T22:00:11.176448Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-03-30T02:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-08-16T22:30:33.897951Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-08-16T22:31:33.962035Z", "ended": "2025-08-16T23:19:48.081980Z", "start_waiting": "2025-08-16T22:31:33.897591Z", "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": 129800, "name": "Handicap Arena 2025 - 052", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1089.6332903046768, "deviation": 63.561229092122176, "volatility": 0.0600701938224777 } }, "ranking": 16.904088911362457, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": 103, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-06-26T15:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-06-26T11:00:45.063724Z", "ended": "2025-08-16T11:23:44.437450Z", "start_waiting": "2025-06-26T11:00:44.928694Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 130310, "name": "9x9 Mini League 1k-9k #149", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1307.6702706318495, "deviation": 68.63718845989344, "volatility": 0.060204824930501735 } }, "ranking": 21.126786095035047, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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": true, "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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-20T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, 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"2025-08-15T03:10:05.780213Z", "ended": "2025-08-15T03:24:07.005233Z", "start_waiting": "2025-08-15T03:10:05.679860Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/b5f066ef64abd3108f1998fa98d5c58d-15.png", "player_count": 5, "ranked": true } ] }
