Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=5091
{ "count": 59694, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5092", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5090", "results": [ { "id": 73953, "name": "Live 9x9 Double Elimination Tournament 2021-04-15 22:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260519T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-19T14:00:59.829012Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-05-19T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 33, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-04-15T22:30:56.426628Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-04-15T22:30:57.946226Z", "ended": "2021-04-15T23:22:00.905461Z", "start_waiting": "2021-04-15T22:30:57.780532Z", "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": 117109, "name": "Live 9x9 Double Elimination Tournament 2024-06-15 06:30", "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": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260519T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-19T14:00:59.829012Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-05-19T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, 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"description": "BPK mini tournament 9x9 EP: 1", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 20, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2293, "name": "BPK Maklom Academy", "summary": "กลุ่ม BPK Maklom Academy มีจุดประสงค์ให้สมาชิกชมรมหมากล้อมโรงเรียนบางปะกอกวิทยาคม และ ลูกศิษย์ในสายสำนัก ได้รวมตัวกัน เพื่อทำกิจกรรมการเรียน การแข่งขันร่วมกัน \n\nห้ามมิให้เชิญบุคคลอื่น ที่ไม่มีส่วนเกี่ยวข้อง เพื่อป้องกันการสับสนในการแข่งขัน และ ส่งข่าวสารก", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 173, "icon": "https://user-uploads.online-go.com/3bc58e007ca749345e07db0e2c7a83f6-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-18T12:30:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-07-18T12:30:34.336539Z", "ended": "2021-07-18T12:55:23.358457Z", "start_waiting": "2021-07-18T12:30:34.155930Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/3bc58e007ca749345e07db0e2c7a83f6-15.png", "player_count": 5, "ranked": true }, { "id": 84236, "name": "Live 9x9 Double Elimination Tournament 2021-12-29 14:30", "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 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"time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-12-29T14:30:28.936982Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-12-29T14:30:30.294239Z", "ended": "2021-12-29T15:09:45.953479Z", "start_waiting": "2021-12-29T14:30:30.149333Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 123098, "name": "9x9 Mini League 1k-9k #133", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1267.3740753992665, "deviation": 69.01560192803296, "volatility": 0.06021050454838782 } }, "ranking": 20.40219035811121, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. 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