Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4075
{ "count": 59751, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4076", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4074", "results": [ { "id": 36459, "name": "Correspondence 9x9 RoundRobin 2018-04-18 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260523T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-23T19:00:16.314067Z", 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"2018-04-18T01:00:16.388180Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-04-18T01:00:43.838809Z", "ended": "2018-05-03T03:37:37.205889Z", "start_waiting": "2018-04-18T01:00:41.677002Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 8, "ranked": true }, { "id": 84578, "name": "Toh poomphat", "director": { "id": 1074975, "username": "Bpk poomphat", "country": "un", "icon": "https://secure.gravatar.com/avatar/0829d808dd285e9604d8fecb014cceb8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 907.8539437631523, "deviation": 211.04724932838496, "volatility": 0.060001756523939354 } }, "ranking": 12.678913495476701, "professional": false, "ui_class": "provisional" }, "description": "คลายเครียด", "schedule": null, "title": null, 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"slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-10T15:51:02.382090Z", "ended": "2022-05-23T11:32:09.235986Z", "start_waiting": "2022-05-10T15:51:02.284551Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/3bc58e007ca749345e07db0e2c7a83f6-15.png", "player_count": 4, "ranked": true }, { "id": 85911, "name": "Learning/friendly tournaments😀😄🤣😜🤪", "director": { "id": 1079925, "username": "deatheater1127", "country": "us", "icon": "https://secure.gravatar.com/avatar/e56410d201f86adad9d8cb9b19a37b4f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 957.433906766057, "deviation": 65.0282446197422, "volatility": 0.060058111526456716 } }, "ranking": 13.909872636084918, "professional": false, "ui_class": "" }, "description": "Friendly matches try to greet and thank everyone yell play against and most importantly to all HFGL.", "schedule": null, "title": null, 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"slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-02T03:58:32.737866Z", "ended": "2022-09-14T12:54:55.310514Z", "start_waiting": "2022-04-02T03:58:32.641550Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png", "player_count": 4, "ranked": true }, { "id": 127893, "name": "GURNEYS TOURNEY", "director": { "id": 1765441, "username": "GURNEY65", "country": "un", "icon": "https://secure.gravatar.com/avatar/58625ce3d15fd828830dd2d47e547f4f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 545.3622551510389, "deviation": 208.53863304317554, "volatility": 0.060000842353903586 } }, "ranking": 5, "professional": false, "ui_class": "provisional" }, "description": "123456", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 73, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 1800, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15287, "name": "coalition", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-04-27T01:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-17T02:38:38.498706Z", "ended": "2025-05-17T02:39:06.819597Z", "start_waiting": "2025-05-17T02:38:38.406377Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 128721, "name": "Correspondence 9x9 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"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": "2026-05-26T19:00:00Z", "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": "2025-05-23T19:00:27.971880Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-23T19:00:58.594815Z", "ended": "2025-05-31T20:46:36.049558Z", 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