Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=5300
{ "count": 59253, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5301", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=5299", "results": [ { "id": 136487, "name": "Blitz 19x19 Elimination Tournament 2026-01-19 01:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260406T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-06T13:00:17.732407Z", "lead_time_seconds": 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null, "auto_start_on_max": false, "time_start": "2020-08-19T08:30:42.762879Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-19T08:30:45.106635Z", "ended": "2020-08-19T09:42:46.631212Z", "start_waiting": "2020-08-19T08:30:44.239801Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 106054, "name": "Live 19x19 Swiss Tournament 2023-08-03 16:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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" 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"subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-10-10T15:04:30.922787Z", "ended": "2020-10-10T18:58:24.285871Z", "start_waiting": "2020-10-10T15:04:30.544116Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cf9ba5fe210a3b78789d37604e5f6f1b-15.png", "player_count": 11, "ranked": true }, { "id": 63214, "name": "yu kiat VS Shin Lu", "director": { "id": 756229, "username": "mrrabbuit", "country": "sg", "icon": "https://user-uploads.online-go.com/95a91e6b595a49e91968bd28f3e90ce4-64.png", "ratings": { "version": 5, "overall": { "rating": 1348.0847977490964, "deviation": 156.13884872211037, "volatility": 0.05999992557636363 } }, "ranking": 21.831420754602473, "professional": false, "ui_class": "" }, "description": "17/7/2020", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": "correspondence", "pause_on_weekends": false }, "is_open": true, "exclude_provisional": false, "group": { "id": 5118, "name": "SP Weiqi 2020/2021", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png" }, "auto_start_on_max": true, "time_start": "2020-07-17T12:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-07-17T10:54:47.460234Z", "ended": "2020-07-21T12:25:47.797138Z", "start_waiting": "2020-07-17T10:54:47.360256Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png", "player_count": 2, "ranked": true }, { "id": 63711, "name": "Fast correspondent", "director": { "id": 770232, "username": "Jaedon R", "country": "us", "icon": "https://user-uploads.online-go.com/32563c1fb86fc3baeb8768c7e03f200f-64.png", "ratings": { "version": 5, "overall": { "rating": 1667.3647362071467, "deviation": 68.43682173117048, "volatility": 0.06016730529525962 } }, "ranking": 26.752172275523538, "professional": false, "ui_class": "" }, "description": "Fast!!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 86400, "max_time": 172800 }, "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": 17876, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-01T01:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-01T01:00:19.514290Z", "ended": "2020-09-20T14:09:05.868658Z", "start_waiting": "2020-08-01T01:00:19.045974Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 5, "ranked": true }, { "id": 64820, "name": "θρΠνΧΨεΔαβΓ", "director": { "id": 745958, "username": "Quiwui", "country": "019", "icon": "https://user-uploads.online-go.com/bbc774f8a948b05fb0fbbcf8eb9db9dc-64.png", "ratings": { "version": 5, "overall": { "rating": 837.9145336131198, "deviation": 67.10597444418325, "volatility": 0.0600358539539277 } }, "ranking": 10.823038092322035, "professional": false, "ui_class": "" }, "description": "θρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓθρΠνΧΨεΔαβΓ...", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 31, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 30, "periods": 2 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4806, "name": "COIN Centro de Inteligencias", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": true, "member_count": 65, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-29T00:39:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-29T00:39:33.355497Z", "ended": "2020-08-29T01:36:39.927838Z", "start_waiting": "2020-08-29T00:39:33.120909Z", "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": 62651, "name": "2020 Summer Go Cup", "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": "2020 Summer Go Cup. Doesn't pause on the weekends. If you extend the time by playing a move on the last hour when your time is about to time out, that will mean auto disqualify for you. Enjoy!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 17280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 14400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 2514, "name": "Continental and World Go Cups Group", "summary": "You want to become World Champion or a Continental champion? Join us :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 525, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png" }, "auto_start_on_max": false, "time_start": "2020-07-05T04:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2020-07-03T01:54:11.366884Z", "ended": "2020-08-15T12:32:28.304378Z", "start_waiting": "2020-07-03T01:54:11.160503Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png", "player_count": 8, "ranked": true }, { "id": 63789, "name": "Blitz 19x19 Elimination Tournament 2020-07-31 21:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260406T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-04-06T13:00:17.732407Z", "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": "2026-04-06T17:00:00Z", "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": "2020-07-31T21:30:08.833470Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-07-31T21:30:10.653608Z", "ended": "2020-07-31T21:55:07.371733Z", "start_waiting": "2020-07-31T21:30:10.226380Z", "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": 61130, "name": "Fast Correspondence Mini-Tournament (4k-1k)", "director": { "id": 597921, "username": "CitrusRootWeevil", "country": "us", "icon": "https://user-uploads.online-go.com/9f0d55a036f99b11f4bf001bd22dee66-64.png", "ratings": { "version": 5, "overall": { "rating": 1313.1569238642383, "deviation": 61.308386069594796, "volatility": 0.059719155310874364 } }, "ranking": 21.223714429839603, "professional": false, "ui_class": "supporter" }, "description": "Two moves per day keeps the timeout away. Games do not pause on weekends.\n\nPlease avoid delaying your games; plan not to take vacation until your tournament participation is finished.\n\nAnalysis is enabled to allow the use of conditional moves.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 172800, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 819, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": false, "time_start": "2020-06-03T14:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 26, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2020-06-04T12:22:26.394733Z", "ended": "2020-07-19T08:36:24.410729Z", "start_waiting": "2020-06-04T12:22:25.567083Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 5, "ranked": true } ] }
