Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1658
{ "count": 59756, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1659", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1657", "results": [ { "id": 109532, "name": "Live 9x9 Double Elimination Tournament 2023-11-12 18:30", "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:20260526T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-26T02:00:16.595787Z", 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"DTSTART:20260526T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-26T01:00:16.599469Z", "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": "2026-05-26T05:00:00Z", "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": "2023-10-29T13:30:37.296031Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-10-29T13:31:37.408270Z", "ended": "2023-10-29T13:58:11.359744Z", "start_waiting": "2023-10-29T13:31:37.314908Z", "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": 107281, "name": "15-09-2023 Practice Match", "director": { "id": 1409982, "username": "Msia Go Academy", "country": "my", "icon": "https://user-uploads.online-go.com/66cfaf13e401c3471975d1144896d477-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 250, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Lets have a game", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13455, "name": "Malaysia Go - Study room", "summary": "Malaysia GO 马来西亚围棋棋院", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/66cfaf13e401c3471975d1144896d477-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-15T12:48:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-09-15T12:48:56.944006Z", "ended": "2023-09-15T13:33:13.623794Z", "start_waiting": "2023-09-15T12:48:56.868876Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/66cfaf13e401c3471975d1144896d477-15.png", "player_count": 4, "ranked": true }, { "id": 106902, "name": "Third tournament - Round Robin", "director": { "id": 1290047, "username": "TaroMan", "country": "zz", "icon": "https://user-uploads.online-go.com/0a1bf82f79b8cfa1ec48474db6a9488f-64.png", "ratings": { "version": 5, "overall": { "rating": 1074.5194898914124, "deviation": 64.06811999242666, "volatility": 0.05991128509978694 } }, "ranking": 16.580738202358354, "professional": false, "ui_class": "" }, "description": "This will be round-robin style, so expect many games coming at once. Enjoy!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13496, "name": "Happy Beginners", "summary": "Good luck and have fun everyone :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-01T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 8, "max_ranking": 22, "analysis_enabled": true, "exclusivity": "group", "started": "2023-09-01T16:30:10.741673Z", "ended": "2023-09-19T03:39:18.694326Z", "start_waiting": "2023-09-01T16:30:10.655033Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/30720022a6506335acd2ce745076871f-15.png", "player_count": 4, "ranked": true }, { "id": 106761, "name": "9x9 SDK tournament #4", "director": { "id": 1386229, "username": "UFParrot", "country": "nz", "icon": "https://user-uploads.online-go.com/99db0454aa14a7c826bbfc219727f009-64.png", "ratings": { "version": 5, "overall": { "rating": 1231.4957753341725, "deviation": 64.8361701941337, "volatility": 0.060061429180239594 } }, "ranking": 19.737378041224964, "professional": false, "ui_class": "" }, "description": "Have fun! More details at https://online-go.com/group/10855", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 138743, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 129600, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10855, "name": "⚫️The Brilliant World Of OGS⚪️", "summary": "Are you an OGS fan? If you are, join this group where there’s great tournaments and games to be played.\n\nPeople and bots can chat and play in this group. This is a public group so all are welcome to join.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 192, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-64.png" }, "auto_start_on_max": false, "time_start": "2023-09-04T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2023-09-04T06:00:11.286840Z", "ended": "2023-09-16T18:40:36.036469Z", "start_waiting": "2023-09-04T06:00:11.203264Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/0e618bdf660c5ca247f547082c39f943-15.png", "player_count": 4, "ranked": true }, { "id": 107509, "name": "Live 9x9 Double Elimination Tournament 2023-09-15 18:30", "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:20260526T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-05-26T02:00:16.595787Z", "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": "2026-05-26T06:00:00Z", "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, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-09-15T18:30:56.932987Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-09-15T18:31:57.169762Z", "ended": "2023-09-15T18:54:51.001353Z", "start_waiting": "2023-09-15T18:31:56.982350Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", 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"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": "2023-11-12T21:30:30.632340Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-11-12T21:31:30.761896Z", "ended": "2023-11-12T21:54:07.812032Z", "start_waiting": "2023-11-12T21:31:30.655941Z", "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 } ] }
