Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=player_count&page=5245
{ "count": 59629, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=5246", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=player_count&page=5244", "results": [ { "id": 132343, "name": "9x9 Open League #127", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.5002115132957, "deviation": 70.5314527460033, "volatility": 0.060215261717849605 } }, "ranking": 20.22112699556229, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-09-21T19:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-20T15:38:26.773082Z", "ended": "2025-11-12T13:03:45.666908Z", "start_waiting": "2025-09-20T15:38:26.125364Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 126924, "name": "Турнир в честь возможного ухода bouganvillea 🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥", "director": { "id": 1687058, "username": "Kaw_Ninja", "country": "pt", "icon": "https://user-uploads.online-go.com/65362065d6e8e89c6607395ba8eb3d2f-64.png", "ratings": { "version": 5, "overall": { "rating": 952.4415334467215, "deviation": 70.79654177968679, "volatility": 0.06431646549167647 } }, "ranking": 13.788845156340887, "professional": false, "ui_class": "" }, "description": "🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥🌸😭💔😥", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "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": 15184, "name": "Татарстан", "summary": "<img src=\"http://kazchess.ru/wp-content/uploads/2020/02/%D1%84%D0%BE%D1%82%D0%BE-%D0%B4%D0%B5%D1%82.jpg\">", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 33, "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-18T16:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-03T15:30:01.244222Z", "ended": "2025-09-24T11:03:58.487712Z", "start_waiting": "2025-04-03T15:30:01.002755Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-15.png", "player_count": 10, "ranked": true }, { "id": 139281, "name": "Correspondence 9x9 RoundRobin 2026-04-15 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:20260511T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-11T19:00:49.671914Z", "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": "2026-05-14T19:00:00Z", "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, 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Tournament will be started as soon as 10 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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-12-07T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-04T00:50:36.023617Z", "ended": "2026-01-18T02:02:24.542201Z", "start_waiting": "2025-12-04T00:50:34.991755Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 10, "ranked": true }, { "id": 137021, "name": "13x13 Open League #55", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1257.5002115132957, "deviation": 70.5314527460033, "volatility": 0.060215261717849605 } }, "ranking": 20.22112699556229, "professional": false, "ui_class": "" }, "description": "Open league for everyone. 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