Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4664
{ "count": 60213, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4665", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4663", "results": [ { "id": 38823, "name": "Correspondence 19x19 RoundRobin 2018-07-06 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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260711T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-11T19:00:19.513953Z", 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128329, "name": "Tournament 3 of Series 1", "director": { "id": 1310334, "username": "PilotClem", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/b00190484ad187723ff8143c2edb8b34-64.png", "ratings": { "version": 5, "overall": { "rating": 1132.9357104515536, "deviation": 61.34094477859767, "volatility": 0.059910648210110704 } }, "ranking": 17.806268231610428, "professional": false, "ui_class": "" }, "description": "last tournament of series 1", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 15, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 600, "max_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15283, "name": "Tournaments and games", "summary": "Please feel free to create your own tournament or game, and to have fun. The purpose of this group is for you guys to have fun, to learn and to gain experience. If you wish you can create reviews, you can share a game, or a impressive move you made.ð\n\nI am", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 25, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-64.png" }, "auto_start_on_max": true, "time_start": "2025-05-24T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-05-24T14:00:58.712504Z", "ended": "2025-05-24T14:56:51.069021Z", "start_waiting": "2025-05-24T14:00:58.569107Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d468da67c2a39fd37f4de966ee5820ea-15.png", "player_count": 15, "ranked": true }, { "id": 3925, "name": "Go fun cup", "director": { "id": 116565, "username": "Fartman2000", "country": "fi", "icon": "https://secure.gravatar.com/avatar/1558f76abb97106bb4e1c46a759ae737?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1591.749535387341, "deviation": 65.91237636050612, "volatility": 0.05999663708764106 } }, "ranking": 25.677766196265335, "professional": false, "ui_class": "" }, "description": "a tournamet for everybody, welcome!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 73, "time_control_parameters": { "time_control": "byoyomi", "period_time": 60, "main_time": 1200, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8920, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2015-01-03T15:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-01-04T18:28:01.122641Z", "ended": "2015-01-04T19:29:59.896660Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 4, "ranked": true }, { "id": 114240, "name": "EãªãŒã°ïŒ25k-17kïŒ", "director": { "id": 874208, "username": "FUKO.S", "country": "jp", "icon": "https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png", "ratings": { "version": 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"admin_only_tournaments": false, "hide_details": false, "member_count": 114, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png" }, "auto_start_on_max": false, "time_start": "2024-03-29T11:15:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 13, "analysis_enabled": true, "exclusivity": "group", "started": "2024-03-29T11:15:01.390773Z", "ended": "2024-04-13T23:20:52.009163Z", "start_waiting": "2024-03-29T11:15:01.358266Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png", "player_count": 2, "ranked": true }, { "id": 8794, "name": "Correspondence 19x19 RoundRobin 2015-07-04 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": 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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": "2026-07-13T19:00:00Z", "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": "2023-11-15T19:00:31.853247Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-15T19:00:51.485070Z", "ended": "2023-12-07T04:59:51.571113Z", "start_waiting": "2023-11-15T19:00:51.310119Z", "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": 9734, "name": "first tournament", "director": { "id": 173064, "username": "mustafif0929", "country": "un", "icon": "https://secure.gravatar.com/avatar/af9f64c1925faa36eb778b57121c1420?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 953.5925007581612, "deviation": 221.24477679379453, "volatility": 0.06000887860987053 } }, "ranking": 13.816803625098816, "professional": false, "ui_class": "provisional" }, "description": "hi join tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 25440, "time_control_parameters": { "time_control": "fischer", "initial_time": 21600, "max_time": 28800, "time_increment": 25200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 721, "name": "go go 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