Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=3718
{ "count": 59282, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3719", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3717", "results": [ { "id": 55764, "name": "Reddit Round Robin Handicap Correspondence 10 Kyu - 1 Kyu", "director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1262.691022766815, "deviation": 62.80035579641282, "volatility": 0.0595734634765374 } }, "ranking": 20.31649075114896, "professional": false, "ui_class": "supporter" }, "description": "Reddit Round Robin Handicap Correspondence 10 Kyu - 1 Kyu", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, 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"director": { "id": 963, "username": "thouis", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/a2e7f9e59abe305c58d78f58f24e5f13-64.png", "ratings": { "version": 5, "overall": { "rating": 1262.691022766815, "deviation": 62.80035579641282, "volatility": 0.0595734634765374 } }, "ranking": 20.31649075114896, "professional": false, "ui_class": "supporter" }, "description": "Reddit Round Robin Handicap Correspondence 15 Kyu - 6 Kyu", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 89280, "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": 38, "name": "reddit", "summary": "/r/baduk", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2282, "icon": 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true, "exclusivity": "open", "started": "2020-01-18T14:50:35.799265Z", "ended": "2020-05-14T08:10:17.802577Z", "start_waiting": "2020-01-18T14:50:31.319503Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5021b9df7b49c54cc5eb5d8ce9d893bb-15.png", "player_count": 10, "ranked": true }, { "id": 55760, "name": "Live 9x9 Double Elimination Tournament 2020-01-17 14:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260205T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, 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"2020-01-17T14:30:07.426925Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-01-17T14:30:09.566452Z", "ended": "2020-01-17T15:16:25.608045Z", "start_waiting": "2020-01-17T14:30:08.722005Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 55759, "name": "Blitz 19x19 Elimination Tournament 2020-01-17 13:30", "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 Sitewide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260205T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-05T05:01:05.127919Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-02-05T09:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", 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} }, "ranking": 8.467686792216096, "professional": false, "ui_class": "" }, "description": "ZESDER Go Tournament series ..", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 4356, "name": "ZESDER Chess & Go Clup - Balıkesir", "summary": "Chess and Go ..", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-64.png" }, "auto_start_on_max": false, "time_start": "2020-01-20T11:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-01-20T16:24:18.845042Z", "ended": "2020-07-06T16:08:09.891530Z", "start_waiting": "2020-01-20T16:24:18.536949Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/10233cc1a62ea6ed371c588e10df3295-15.png", "player_count": 4, "ranked": true }, { "id": 55755, "name": "Live 9x9 Double Elimination Tournament 2020-01-17 10:30", "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 Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260205T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, 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"player_count": 7, "ranked": true } ] }
