Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=3155
{ "count": 60950, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3156", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=3154", "results": [ { "id": 431, "name": "Pissfer's mini-tournament", "director": { "id": 12922, "username": "Pissfer", "country": "ca", "icon": "https://secure.gravatar.com/avatar/7bee1409fe90c9ab291cc86bfc97b7b0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1502.097766555342, "deviation": 66.6487033123084, "volatility": 0.05999363760397003 } }, "ranking": 24.335735094965063, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini 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"https://secure.gravatar.com/avatar/7073c3c0c19e1e2362786d7d3cacee04?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1636.613123803098, "deviation": 92.9778953940374, "volatility": 0.06000761280908969 } }, "ranking": 26.321224844663433, "professional": false, "ui_class": "" }, "description": "111111111", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "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": false, "group": { "id": 11450, "name": "黎老師群組", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-02T04:00:00Z", "players_start": 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