Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-max_ranking&page=5805
{ "count": 60778, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5806", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-max_ranking&page=5804", "results": [ { "id": 129869, "name": "Summertime DDK Tournament", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 941.9404089986847, "deviation": 60.96923728871204, "volatility": 0.05899170145642812 } }, "ranking": 13.532187810125125, "professional": false, "ui_class": "" }, "description": "Tournament for DDK - a traditional Byo-yomi time control tournament, 5 periods, one day each.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "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": 18118, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-03T17:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-03T17:00:31.381215Z", "ended": "2026-06-25T17:35:27.198260Z", "start_waiting": "2025-07-03T17:00:30.527054Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 17, "ranked": true }, { "id": 44916, "name": "Janeiro 2019 · C", "director": { "id": 307866, "username": "swafaron", "country": "br", "icon": "https://user-uploads.online-go.com/c62da84b968b7d03ab1235c4e4988c13-64.png", "ratings": { "version": 5, "overall": { "rating": 1568.7246028591371, "deviation": 62.77870530874028, "volatility": 0.05985028812148364 } }, "ranking": 25.340451859744853, "professional": false, "ui_class": "" }, "description": "Janeiro 2019 · C", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31680, "time_control_parameters": { "system": "fischer", "pause_on_weekends": true, "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 28800, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1527, "name": "Brasil", "summary": "Ponto de encontro dos jogadores brasileiros", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 500, "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-64.png" }, "auto_start_on_max": false, "time_start": "2019-01-27T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 12, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "group", "started": "2019-01-27T10:00:28.396995Z", "ended": "2019-10-25T16:28:16.879099Z", "start_waiting": "2019-01-27T10:00:27.893942Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/94104bdcbaa52ac8e424a6fb2a6b03a4-15.png", "player_count": 14, "ranked": true }, { "id": 133841, "name": "Sente Tournament 3", "director": { "id": 1864696, "username": "The Atari Union", "country": "in", "icon": "https://user-uploads.online-go.com/97a3545e27ab6dc2768c65861fc96dd0-64.png", "ratings": { "version": 5, "overall": { "rating": 275.4271587796327, "deviation": 83.19570494461763, "volatility": 0.059985568052562735 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "Weekly tournament join the aji union for more games", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 4787, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 604800 }, "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": 20, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-64.png" }, "auto_start_on_max": false, "time_start": "2025-10-31T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-03T23:38:22.763210Z", "ended": "2025-12-01T07:30:26.932010Z", "start_waiting": "2025-11-03T23:38:22.661117Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-15.png", "player_count": 4, "ranked": true }, { "id": 129118, "name": "13x13 Mini League 10k-25k #10", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "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": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-06-13T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-06-09T19:36:26.253293Z", "ended": "2025-07-12T16:38:45.834157Z", "start_waiting": "2025-06-09T19:36:26.121748Z", "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": 133834, "name": "9x9 Mini League 10k-25k #336", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-02T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-01T06:52:46.708124Z", "ended": "2025-12-03T07:54:38.050772Z", "start_waiting": "2025-11-01T06:52:46.561719Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 115653, "name": "9x9 Mini League 10k-25k #233", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-19T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-13T18:07:24.283460Z", "ended": "2024-05-31T09:01:24.930265Z", "start_waiting": "2024-05-13T18:07:24.090443Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 128228, "name": "13x13 Mini League 10k-25k #4", "director": { "id": 1688153, "username": "Mittelmark", "country": "de", "icon": "https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png", "ratings": { "version": 5, "overall": { "rating": 1060.5022291891732, "deviation": 67.10767803005136, "volatility": 0.06002369493625782 } }, "ranking": 16.27675605085914, "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": 60, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-05-16T18:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2025-05-13T02:36:34.868663Z", "ended": "2025-06-11T01:05:20.775842Z", "start_waiting": "2025-05-13T02:36:34.722288Z", "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": 98557, "name": "9x9 Mini League 10k-25k #115", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "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", "pause_on_weekends": false, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-08T20:05:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-05T17:35:00.639680Z", "ended": "2023-02-07T07:46:38.725672Z", "start_waiting": "2023-01-05T17:35:00.453413Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 98225, "name": "9x9 Mini League 10k-25k #113", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1440.9445326727584, "deviation": 71.76569984976463, "volatility": 0.06028442404074632 } }, "ranking": 23.373532705735233, "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", "pause_on_weekends": false, "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": 716, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-01-01T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2022-12-28T12:21:35.575349Z", "ended": "2023-01-12T03:58:58.516620Z", "start_waiting": "2022-12-28T12:21:35.381821Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 43263, "name": "Lions 19 - December 2018", "director": { "id": 557899, "username": "🦁 Lvicala 🦁", "country": "cz", "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png", "ratings": { "version": 5, "overall": { "rating": 1215.5307681865688, "deviation": 63.83387610820817, "volatility": 0.060058613626475424 } }, "ranking": 19.435301089469824, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 44160, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 86400, "max_time": 259200, "time_increment": 43200, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 2773, "name": "Lions", "summary": "for all fighters like lion :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-64.png" }, "auto_start_on_max": false, "time_start": "2018-12-01T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2018-12-03T02:02:06.689803Z", "ended": "2019-01-29T11:36:16.053237Z", "start_waiting": "2018-12-03T02:02:06.101321Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c3809b0710aca9a2fd14431e2d9e32f2-15.png", "player_count": 4, "ranked": true } ] }
