Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-board_size&page=57
{ "count": 59922, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=58", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-board_size&page=56", "results": [ { "id": 33836, "name": "Hannah Cho is extremely pretty", "director": { "id": 479639, "username": "Nicomachean Ethics", "country": "gr", "icon": "https://user-uploads.online-go.com/69b67c8c6e849ca65f8d2f289f28291f-64.png", "ratings": { "version": 5, "overall": { "rating": 2471.0663898077773, "deviation": 72.14232633317815, "volatility": 0.06002146630477017 } }, "ranking": 35.85950766592663, "professional": false, "ui_class": "" }, "description": "She is pretty.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, 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"icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 70804, "name": "1月歷碁賽第三輪 Regan VS 白振鎧", "director": { "id": 928963, "username": "傳碁學園-歷碁賽", "country": "hk", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "1月歷碁賽第三輪 Regan VS 白振鎧", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8175, "name": "歷碁賽 A組", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2021-01-31T05:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-01-31T04:00:05.643126Z", "ended": "2021-01-31T04:42:24.820051Z", "start_waiting": "2021-01-31T04:00:05.576853Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 68893, "name": "Blitz 19x19 Elimination Tournament 2020-12-13 01:30", "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 } 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"elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-12-13T01:30:22.426166Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-13T01:30:23.927373Z", "ended": "2020-12-13T01:47:57.272706Z", "start_waiting": "2020-12-13T01:30:23.624444Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 138728, "name": "🎖️🏅🥉🥈🥇🏆Go Magic May 🏆🎖️🏅🥉🥈🥇", "director": { "id": 1306771, "username": "Xuan Qi", "country": "my", "icon": "https://secure.gravatar.com/avatar/2ce9fd662ca79b98f97b7c838d49dbd4?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 678.4733847068394, "deviation": 76.52813948082807, "volatility": 0.060424947365969754 } }, "ranking": 5.936747801079678, "professional": false, "ui_class": "" }, "description": "大家加油！", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 88451, "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": 16308, "name": "💖Go Magic 💖", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2026-05-09T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-03T12:51:03.814570Z", "ended": null, "start_waiting": "2026-04-03T12:51:03.087607Z", "board_size": 19, "active_round": 2, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 140269, "name": "L&D Mid DDK Tournament", "director": { "id": 1872520, "username": "Azariah777", "country": "gb", "icon": "https://user-uploads.online-go.com/75cb2e65dc8717e56dc8f9fdb628c22c-64.png", "ratings": { "version": 5, "overall": { "rating": 969.8244741976763, "deviation": 64.9142093234778, "volatility": 0.05996876524691324 } }, "ranking": 14.207544801926806, "professional": false, "ui_class": "" }, "description": "A tournament so that mid DDK players can play against similar strength opponents.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 13644, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 86400, "period_time": 259200, "stones_per_period": 20 }, "is_open": true, "exclude_provisional": true, "group": { "id": 16130, "name": "Life and Death", "summary": "A place for competition and learning….\nWe would all like to be a Dan player someday ", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/9df35b5ae6dcbdcf38a33c5663414c33-64.png" }, "auto_start_on_max": false, "time_start": "2026-05-26T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 13, "max_ranking": 17, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-26T19:00:16.948635Z", "ended": null, "start_waiting": "2026-05-26T19:00:16.666449Z", "board_size": 19, "active_round": 1, "icon": 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