Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=5426
{ "count": 59165, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5427", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=5425", "results": [ { "id": 111211, "name": "GO TOURNAMenT 9x9", "director": { "id": 1291308, "username": "TheMderSter Jc", "country": "142", "icon": "https://user-uploads.online-go.com/a0932a0db31db8f6821c25343e62c29c-64.png", "ratings": { "version": 5, "overall": { "rating": 1068.5636549036792, "deviation": 71.76599637828036, "volatility": 0.060188709430250675 } }, "ranking": 16.452065700535226, "professional": false, "ui_class": "" }, "description": "nothing much", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 34, "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": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17870, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2024-01-01T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2024-01-02T03:29:05.622842Z", "ended": "2024-01-02T03:35:13.312799Z", "start_waiting": "2024-01-02T03:29:05.547613Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 65682, "name": "2020vs", "director": { "id": 737306, "username": "2020vs", "country": "hk", "icon": "https://user-uploads.online-go.com/78080aa54321ea05a7dcca1596e6c924-64.png", "ratings": { "version": 5, "overall": { "rating": 1057.6297343678023, "deviation": 68.72909751962305, "volatility": 0.060123971197317244 } }, "ranking": 16.21396648247981, "professional": false, "ui_class": "" }, "description": "2020vsvs2021vs", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": 5351, "name": "2025vs ", "summary": "A group for Go players who love the 9x9 board to 19x19 board and an open group for any go players......and members over 150!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 194, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-64.png" }, "auto_start_on_max": false, "time_start": "2020-09-20T12:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 9, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2020-09-22T16:08:14.866063Z", "ended": "2020-10-07T14:26:03.954617Z", "start_waiting": "2020-09-22T16:08:14.589643Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 4, "ranked": true }, { "id": 519, "name": "2nd Oude Geuze Cup", "director": { "id": 430, "username": "rottenhat", "country": "ie", "icon": "https://user-uploads.online-go.com/39625f5d6aa9484f8212327bf6eb9290-64.png", "ratings": { "version": 5, "overall": { "rating": 1781.280091736795, "deviation": 62.057718815549876, "volatility": 0.05995437910309559 } }, "ranking": 28.28210671368644, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 432000, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 19, "max_ranking": 26, "analysis_enabled": false, "exclusivity": "open", "started": "2008-06-27T22:35:18Z", "ended": "2008-06-27T20:35:18Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 59271, "name": "4-20ks Blazin' Tournament", "director": { "id": 732780, "username": "BigGoBoi", "country": "zw", "icon": "https://user-uploads.online-go.com/ce74d35dbb2f714d5b06a89e3f095d7e-64.png", "ratings": { "version": 5, "overall": { "rating": 1024.3862819544136, "deviation": 66.17150289581252, "volatility": 0.06001629097804158 } }, "ranking": 15.474633713013718, "professional": false, "ui_class": "" }, "description": "4-20 Blazin'", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 75840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 72000, "initial_time": 345600, "max_time": 518400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4803, "name": "Zimbabwe Go Society", "summary": "For go players who live in Zimbabwe/have Zimbabwe heritage. We always welcome new members!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/534c834209842be80bf88045c0a28dc1-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-20T20:20:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-20T20:20:22.406840Z", "ended": "2020-10-27T14:37:26.518620Z", "start_waiting": "2020-04-20T20:20:21.471647Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/534c834209842be80bf88045c0a28dc1-15.png", "player_count": 10, "ranked": true }, { "id": 59799, "name": "Live 19 Times 19 Tournament", "director": { "id": 720484, "username": "JtaoOMG", "country": "cn", "icon": "https://user-uploads.online-go.com/b79de628ffd7e4fe1a54a7c2b38163e5-64.png", "ratings": { "version": 5, "overall": { "rating": 1866.3720336200906, "deviation": 64.63461166642907, "volatility": 0.06005553853146774 } }, "ranking": 29.36238292017167, "professional": false, "ui_class": "" }, "description": "Live 19 Times 19 Tournament", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43, "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": 4456, "name": "Our Go House", "summary": "Hello this is Our Go House š°š°\nšššš YEET", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 159, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-29T18:01:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2020-04-29T18:01:33.081434Z", "ended": "2020-04-29T19:18:32.270685Z", "start_waiting": "2020-04-29T18:01:32.467426Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bf53577eefa2af10bcf48655c23a2b4a-15.png", "player_count": 4, "ranked": true }, { "id": 74555, "name": "9x9 Classic W.D.D.T. XIII", "director": { "id": 598257, "username": "Lukyn", "country": "cz", "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png", "ratings": { "version": 5, "overall": { "rating": 1227.1145648054269, "deviation": 64.80650141125895, "volatility": 0.059972876917325536 } }, "ranking": 19.654871977175393, "professional": false, "ui_class": "supporter" }, "description": "Classic weekly double death tournament.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2021-05-30T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2021-05-30T23:00:29.131135Z", "ended": "2021-09-24T20:53:13.489433Z", "start_waiting": "2021-05-30T23:00:28.917497Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 8, "ranked": true }, { "id": 131845, "name": "13x13 Mini League 5k-15k #13", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1085.853799560171, "deviation": 67.3768163524415, "volatility": 0.060025167068784406 } }, "ranking": 16.823651478136373, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 56, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-09-12T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2025-09-07T16:20:59.617877Z", "ended": "2025-10-28T07:23:16.456064Z", "start_waiting": "2025-09-07T16:20:59.414514Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 36990, "name": "9 by 9 double elimination tournament", "director": { "id": 517352, "username": "firedragon228", "country": "un", "icon": "https://secure.gravatar.com/avatar/dffbe0c3a79ea5ac955d9d6714cfef82?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1184.5605838949232, "deviation": 64.14509079683775, "volatility": 0.059997064838914115 } }, "ranking": 18.837824195431253, "professional": false, "ui_class": "" }, "description": "You will have a total of 45 minutes to win this tournament.please arrive promptly at 6:00 pm on Saturday 12.good luck to all and have fun!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 623, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 2100, "max_time": 2100, "time_increment": 600, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 17870, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2018-05-12T22:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2018-05-12T22:00:30.759069Z", "ended": "2018-05-13T00:20:32.441364Z", "start_waiting": "2018-05-12T22:00:29.978858Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 6, "ranked": true }, { "id": 896, "name": "entropi's mini-tournament", "director": { "id": 24867, "username": "entropi", "country": "un", "icon": "https://secure.gravatar.com/avatar/ca46239e466136508a30c1753affa22f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2052.017170949915, "deviation": 64.95189410080607, "volatility": 0.06001533565395555 } }, "ranking": 31.557624212922843, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 78, "name": "OGS Mini Tournaments", "summary": "The home for all of the old OGS mini tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 383, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 20, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2010-01-15T23:26:52Z", "ended": "2010-01-15T22:26:52Z", "start_waiting": null, "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 133518, "name": "13x13 Mini League 5k-15k #17", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1085.853799560171, "deviation": 67.3768163524415, "volatility": 0.060025167068784406 } }, "ranking": 16.823651478136373, "professional": false, "ui_class": "supporter" }, "description": "A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 93703, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 432000, "max_time": 1209600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 161, "name": "13x13", "summary": "Like to play on a 13 x 13 board?", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 56, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-10-24T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2025-10-24T02:14:18.375948Z", "ended": "2025-11-12T18:42:47.638362Z", "start_waiting": "2025-10-24T02:14:18.105798Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true } ] }
