Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=13
{ "count": 59433, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=14", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=12", "results": [ { "id": 77210, "name": "go 9x9 fó/br", "director": { "id": 962717, "username": "camilassilva1808", "country": "br", "icon": "https://secure.gravatar.com/avatar/2dc816a52796691dae78071bdcb41358?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1050.941282291215, "deviation": 265.40656440300165, "volatility": 0.06000268211392859 } }, "ranking": 16.06710096676615, "professional": false, "ui_class": "provisional" }, "description": "Vamos arrasar", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9614, "name": "07/07/2021 go 9x9 fb", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-07T23:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2021-07-07T23:00:10.135184Z", "ended": "2021-07-07T23:46:52.634075Z", "start_waiting": "2021-07-07T23:00:09.948882Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 129555, "name": "Cờ vây Cội Rễ", "director": { "id": 1175287, "username": "chidang2608", "country": "un", "icon": "https://secure.gravatar.com/avatar/0ef695d0520bc537030d9a2f97814c12?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 951.5115782202788, "deviation": 132.63901451687053, "volatility": 0.0600144169468647 } }, "ranking": 13.766230665393369, "professional": false, "ui_class": "" }, "description": "🏁 Giải đấu Cờ vây Cội Rễ – 9x9\n\n🔸 Thời gian bắt đầu: 18h00 ngày 22/06/2025\n🔸 Hình thức thi đấu: Trực tiếp, chia theo hệ McMahon\n🔸 Bàn cờ: 9x9 – phù hợp với người mới chơi hoặc thi đấu tốc độ\n🔸 Luật thi đấu: Luật Nhật Bản\n🔸 Số vòng: 6 vòng đấu\n🔸 Cách xếp cặp:\n\nVòng đầu: Ngẫu nhiên\n\nCác vòng sau: Ngẫu nhiên (hệ thống sẽ tránh gặp lại đối thủ cũ nếu có thể)\n\n🔸 Thời gian thi đấu mỗi trận:\n\nHệ Fischer: 3 phút ban đầu + 25 giây cộng thêm mỗi nước đi\n\nTổng thời gian tối đa: 30 phút/trận\n\n🔸 Trình độ tham gia: Từ 25 Kyu đến 9 Dan\n🔸 Giải mở cho mọi người, có chấp nhận người chơi chưa ổn định cấp bậc\n🔸 Cho phép phân tích và lập kế hoạch sau trận để học hỏi, phát triển", 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"2017-01-18T06:30:17.698229Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-01-18T06:30:19.269236Z", "ended": "2017-01-18T07:10:32.445722Z", "start_waiting": "2017-01-18T06:30:19.041357Z", "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": 129730, "name": "Live 9x9 Double Elimination Tournament 2025-06-22 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 Site-wide 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"byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-06-22T14:30:27.645726Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-06-22T14:31:27.579536Z", "ended": "2025-06-22T15:02:48.614406Z", "start_waiting": "2025-06-22T14:31:27.484537Z", "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": 62437, "name": "Shogi 将棋 9x9 IX", "director": { "id": 697149, "username": "deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17", "country": "se", "icon": "https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png", "ratings": { "version": 5, "overall": { "rating": 1665.2715388700315, "deviation": 71.21323820073493, 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