Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=3395
{ "count": 59728, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3396", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=3394", "results": [ { "id": 132495, "name": "3rd SPMS Internal Tournament", "director": { "id": 1640355, "username": "Jxmeen", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/c5389eaa972e9dbf1be046e179c3d68a-64.png", "ratings": { "version": 5, "overall": { "rating": 1278.8474909084346, "deviation": 63.40216235751937, "volatility": 0.059996834135477885 } }, "ranking": 20.61082213648176, "professional": false, "ui_class": "" }, "description": "3rd Holiday Internal Tournament for AY2025/26", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 39, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15657, "name": "SPMS Weiqi AY25/26 Exco-Subcomm", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-09-21T11:30:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-21T11:01:24.260647Z", "ended": "2025-09-21T12:56:55.224186Z", "start_waiting": "2025-09-21T11:01:24.175834Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 133346, "name": "9x9 Mini League 10k-25k #333", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1265.6381320799273, "deviation": 68.45146566167001, "volatility": 0.06021111954537579 } }, "ranking": 20.370459682660336, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. 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"2025-10-10T22:30:34.800057Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png", "player_count": 5, "ranked": true }, { "id": 136678, "name": "9x9 Mini League 10k-25k #365", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1265.6381320799273, "deviation": 68.45146566167001, "volatility": 0.06021111954537579 } }, "ranking": 20.370459682660336, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-25T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-25T11:51:33.610465Z", "ended": "2026-03-15T17:59:31.706906Z", "start_waiting": "2026-01-25T11:51:33.452097Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 107544, "name": "ALZ 5", "director": { "id": 371940, "username": "Fabertelli", "country": "br", "icon": "https://user-uploads.online-go.com/b2385f1a102acadea9a7fb7a49dc3d4d-64.png", "ratings": { "version": 5, "overall": { "rating": 1344.3952755434875, "deviation": 66.14559822399715, "volatility": 0.05977984401695895 } }, "ranking": 21.76797553666538, "professional": false, "ui_class": "" }, "description": "Torneio treino 5!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89448, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12474, "name": "Anna Lamberga", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 32, "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-64.png" }, "auto_start_on_max": true, "time_start": "2023-09-17T00:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-08-30T20:16:11.118963Z", "ended": "2025-08-31T20:16:28.606924Z", "start_waiting": "2025-08-30T20:16:10.944415Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/38422ecae9f38f6103c0f90ab7828e76-15.png", "player_count": 5, "ranked": true }, { "id": 139538, "name": "9x9 Mini League 10k-25k #387", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1265.6381320799273, "deviation": 68.45146566167001, "volatility": 0.06021111954537579 } }, "ranking": 20.370459682660336, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-04-26T19:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-04-26T08:15:20.283951Z", "ended": null, "start_waiting": "2026-04-26T08:15:20.094332Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 136187, "name": "Blitz 19x19 Elimination Tournament 2026-01-09 09:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260522T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-22T13:00:16.154514Z", "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": "2026-05-22T17:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-01-09T09:30:14.167358Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-09T09:31:14.264547Z", "ended": "2026-01-09T09:56:32.127089Z", "start_waiting": "2026-01-09T09:31:14.164850Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 136685, "name": "Blitz 19x19 Elimination Tournament 2026-01-24 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 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Site-wide 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"period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-01-24T01:30:26.112637Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-24T01:31:10.772934Z", "ended": "2026-01-24T01:44:14.803418Z", "start_waiting": "2026-01-24T01:31:10.682724Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 132527, "name": "XI Circuito Online de GO 3° ETAPA: PROFESSORES, EX-ALUNOS e COMUNIDADE", "director": { "id": 1586912, "username": "smecoceudiesp", "country": "un", "icon": "https://secure.gravatar.com/avatar/b1f6a7312ebcfdcb8be63243d4d511cb?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 710.3615547953566, "deviation": 250, 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38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-10-10T22:35:34.876950Z", "ended": "2025-10-10T23:13:50.971677Z", "start_waiting": "2025-10-10T22:35:34.800332Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e433e136133ddde395dd9e6024a84c90-15.png", "player_count": 5, "ranked": true } ] }
