Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=1423
{ "count": 59722, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1424", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=1422", "results": [ { "id": 70593, "name": "Pokémon lovers", "director": { "id": 913437, "username": "SS Gaming", "country": "jp", "icon": "https://user-uploads.online-go.com/da3b7d4818a1ebcc2722768f7cd140ad-64.png", "ratings": { "version": 5, "overall": { "rating": 1514.6620352662153, "deviation": 67.7486630141094, "volatility": 0.06003394837887446 } }, "ranking": 24.528567485692847, "professional": false, "ui_class": "" }, "description": "hope all participants enjoy☺️", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 0, "period_time": 10, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6427, "name": "Pokémon Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 52, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-64.png" }, "auto_start_on_max": false, "time_start": "2021-02-12T23:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-12T23:00:03.179039Z", "ended": "2021-02-12T23:20:59.449303Z", "start_waiting": "2021-02-12T23:00:02.768600Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/588f56ac30f3a91858de9d674e11dcd4-15.png", "player_count": 12, "ranked": true }, { "id": 132979, "name": "The Aji Tournement I", "director": { "id": 1864817, "username": "deleted-ba270c1d-aa26-4fac-a578-8278ec42074b", "country": "in", "icon": "https://user-uploads.online-go.com/bb787adbae7adc2413690d0457ee60b4-64.png", "ratings": { "version": 5, "overall": { "rating": 317.79726823308874, "deviation": 70.2348941694934, "volatility": 0.06004692912331622 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "All are open for more tournaments. For a beginner friendly group join the Aji Union Group (+25k Beginner)", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 777600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15743, "name": "The Aji Union (+25k Beginners)", "summary": "This group is open for all and beginner friendly. If you do not wish to join this group try the The Opening Tournament on Oct 7th, it is called The Aji Tournament!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-02T02:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2025-10-03T22:35:49.484907Z", "ended": "2025-12-07T04:08:07.950677Z", "start_waiting": "2025-10-03T22:35:49.313052Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-15.png", "player_count": 4, "ranked": true }, { "id": 100381, "name": "2023 - 6/1", "director": { "id": 54877, "username": "igsNomad", "country": "tr", "icon": "https://user-uploads.online-go.com/8117a0351f6a880a1503de571b451082-64.png", "ratings": { "version": 5, "overall": { "rating": 1782.78616598201, "deviation": 62.50747648468425, "volatility": 0.06004780489913178 } }, "ranking": 28.301671793755595, "professional": false, "ui_class": "" }, "description": "Açı Turnuvası", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 24, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 240, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 3695, "name": "Açı go kulübü", "summary": "Açı Okulları Sınıftan bağımsız go grubu.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/4b21426031a545d1e73b2102537bbb45-64.png" }, "auto_start_on_max": false, "time_start": "2023-02-22T08:15:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2023-02-22T08:15:29.612806Z", "ended": "2023-02-22T08:39:54.257826Z", "start_waiting": "2023-02-22T08:15:29.534041Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/4b21426031a545d1e73b2102537bbb45-15.png", "player_count": 4, "ranked": true }, { "id": 101310, "name": "19x19 Open League #11", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1278.1418804365962, "deviation": 68.96228044266971, "volatility": 0.06021152405134618 } }, "ranking": 20.59804548357835, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2023-03-26T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-26T20:18:34.627930Z", "ended": "2023-08-14T05:48:57.407304Z", "start_waiting": "2023-03-26T20:18:34.052260Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 115741, "name": "13x13 New Zealand 5k-9d+ League #1", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "5k-9d+. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "nz", "time_per_move": 90782, "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-11-26T04:15:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 25, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-11-14T19:07:36.296560Z", "ended": "2025-02-14T22:06:03.618126Z", "start_waiting": "2024-11-14T19:07:36.102539Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 5, "ranked": true }, { "id": 99288, "name": "9x9 Round Robin.", "director": { "id": 522830, "username": "Sofia_m", "country": "it", "icon": "https://user-uploads.online-go.com/62126c89b7b907ddcd55e9bbdc1e97c2-64.png", "ratings": { "version": 5, "overall": { "rating": 1978.940891917098, "deviation": 94.37985142992264, "volatility": 0.060016426286963416 } }, "ranking": 30.71817056523826, "professional": false, "ui_class": "" }, "description": "Everyone is welcome. It is capped at 10 players. An identical tournament that starts after one week or at 10 players will be created as soon as this tournament starts.\n\nPauses are not allowed.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45143, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 359, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-31T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-30T19:58:10.188017Z", "ended": "2023-02-25T23:37:24.954629Z", "start_waiting": "2023-01-30T19:58:09.628564Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 10, "ranked": true }, { "id": 137021, "name": "13x13 Open League #55", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1278.1418804365962, "deviation": 68.96228044266971, "volatility": 0.06021152405134618 } }, "ranking": 20.59804548357835, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2026-02-22T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-21T09:43:12.593211Z", "ended": null, "start_waiting": "2026-02-21T09:43:11.809993Z", "board_size": 13, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 76862, "name": "แข่งป.6", "director": { "id": 779033, "username": "T.Boss Chanatip", "country": "th", "icon": "https://user-uploads.online-go.com/b48d7002f7cfe5a5b7dbf304aa99b403-64.png", "ratings": { "version": 5, "overall": { "rating": 2035.3577057312855, "deviation": 73.07838554282719, "volatility": 0.06006497874786784 } }, "ranking": 31.368912011527872, "professional": false, "ui_class": "" }, "description": "ทดสอบ", "schedule": null, "title": null, "tournament_type": "s_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": 9318, "name": "Piyachat ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 222, "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-29T06:40:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-06-29T06:40:14.746837Z", "ended": "2021-07-03T06:05:27.205209Z", "start_waiting": "2021-06-29T06:40:14.225581Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/377f55c70dc6d0f96d66a92236bb05d1-15.png", "player_count": 4, "ranked": true }, { "id": 37815, "name": "The Trowel v The Bun Game 1", "director": { "id": 512334, "username": "danielml01", "country": "us", "icon": "https://user-uploads.online-go.com/4d5da62e5cdaf4e31b1d5decf55b3b25-64.png", "ratings": { "version": 5, "overall": { "rating": 1772.8747501166238, "deviation": 61.49238207980222, "volatility": 0.05989997334048903 } }, "ranking": 28.172610065436952, "professional": false, "ui_class": "supporter" }, "description": "Game 1 of Trowel v Bun", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "period_time": 30, "main_time": 1800, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2509, "name": "Kyu Clash", "summary": "Where Kyu Level Go Streamers Face Off! https://twitch.tv/kyuclash", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 16, "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-64.png" }, "auto_start_on_max": false, "time_start": "2018-06-05T18:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2018-06-05T18:00:11.677029Z", "ended": "2018-06-05T18:52:18.287934Z", "start_waiting": "2018-06-05T18:00:11.456283Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-15.png", "player_count": 2, "ranked": true }, { "id": 136696, "name": "Handicap Arena 2026 - 008", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1078.2474990725018, "deviation": 64.47389607256166, "volatility": 0.060064289319200645 } }, "ranking": 16.660917338564136, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 107, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-26T09:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-26T00:04:44.347168Z", "ended": null, "start_waiting": "2026-01-26T00:04:44.077420Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true } ] }
