Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=1285
{ "count": 59620, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1286", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=1284", "results": [ { "id": 64089, "name": "9x9 lovers", "director": { "id": 822120, "username": "hkcga053", "country": "hk", "icon": "https://secure.gravatar.com/avatar/b156aea3e3d17cbaa7c88b2cbda685c0?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1234.6566856003474, "deviation": 88.65198528568895, "volatility": 0.05999640218290715 } }, "ranking": 19.79672158457176, "professional": false, "ui_class": "" }, "description": "no problem", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 6720, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": false, "total_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": 697, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-10T02:00:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-10T02:00:50.348657Z", "ended": "2020-09-16T02:06:40.030893Z", "start_waiting": "2020-08-10T02:00:50.057845Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 4, "ranked": true }, { "id": 64855, "name": "Blitz 19x19 Elimination Tournament 2020-08-30 01:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260512T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-12T09:00:49.664431Z", "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": "2026-05-12T13:00:00Z", "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": "2020-08-30T01:30:38.157036Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-08-30T01:30:39.742613Z", "ended": "2020-08-30T01:53:06.223244Z", "start_waiting": "2020-08-30T01:30:39.481896Z", "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": 70867, "name": "Blitz 19x19 Elimination Tournament 2021-02-01 17:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260512T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-12T09:00:49.664431Z", "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": "2026-05-12T13:00:00Z", "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": "2021-02-01T17:30:24.843408Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-01T17:30:26.149966Z", "ended": "2021-02-01T17:49:48.990760Z", "start_waiting": "2021-02-01T17:30:25.948796Z", "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": 64854, "name": "1 st weekly live tournament", "director": { "id": 736023, "username": "2026vs.", "country": "hk", "icon": "https://user-uploads.online-go.com/7b00a5b491f99a02c822db43039ddd91-64.png", "ratings": { "version": 5, "overall": { "rating": 1529.4955917779457, "deviation": 63.196335111054026, "volatility": 0.060307009572073786 } }, "ranking": 24.754179686665076, "professional": false, "ui_class": "" }, "description": "1 st weekly tournament", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 60, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 60 }, "is_open": true, "exclude_provisional": false, "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": "2020-09-05T13:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-09-05T11:07:31.751569Z", "ended": "2020-09-06T04:36:11.461355Z", "start_waiting": "2020-09-05T11:07:31.652251Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 4, "ranked": true }, { "id": 64297, "name": "優才入門班", "director": { "id": 816378, "username": "邱浚哲", "country": "hk", "icon": "https://user-uploads.online-go.com/6f7e3ec162577f04d8d45bde711a2bed-64.png", "ratings": { "version": 5, "overall": { "rating": 676.8106533454725, "deviation": 69.18709233764596, "volatility": 0.060003197322868435 } }, "ranking": 5.879944578659465, "professional": false, "ui_class": "" }, "description": "13*13", "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": 6372, "name": "優才入門班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-15T04:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-15T09:58:37.123089Z", "ended": "2020-09-14T11:40:57.177924Z", "start_waiting": "2020-08-15T09:58:36.884053Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 64047, "name": "Friendly London Tournament 2", "director": { "id": 739917, "username": "lcjs", "country": "un", "icon": "https://secure.gravatar.com/avatar/c3cbfb28585b0003250bfb8f82c38c44?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2187.4025301861648, "deviation": 102.79616118068283, "volatility": 0.05998700992510571 } }, "ranking": 33.03671210097233, "professional": false, "ui_class": "" }, "description": "Here we go again!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 67200, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": false, "main_time": 604800, "period_time": 604800, "stones_per_period": 10 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4552, "name": "London Friendly Go Club", "summary": "A casual group that meets once or twice a year in North London. Last activity: 2020.\n\nTo be added to this group you must have attended in person or be invited by a current member.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://user-uploads.online-go.com/f14c366bb96a6da105a731b126e384a7-64.png" }, "auto_start_on_max": true, "time_start": "2020-08-07T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-08-08T18:27:26.876374Z", "ended": "2020-09-03T22:33:06.215322Z", "start_waiting": "2020-08-08T18:27:26.059575Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f14c366bb96a6da105a731b126e384a7-15.png", "player_count": 4, "ranked": true }, { "id": 64300, "name": "13 13", "director": { "id": 816378, "username": "邱浚哲", "country": "hk", "icon": "https://user-uploads.online-go.com/6f7e3ec162577f04d8d45bde711a2bed-64.png", "ratings": { "version": 5, "overall": { "rating": 676.8106533454725, "deviation": 69.18709233764596, "volatility": 0.060003197322868435 } }, "ranking": 5.879944578659465, "professional": false, "ui_class": "" }, "description": "111111", "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": false, "group": { "id": 6372, "name": "優才入門班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 6, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-08-15T03:39:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-15T03:39:20.682394Z", "ended": "2020-08-15T03:56:23.097092Z", "start_waiting": "2020-08-15T03:39:20.376183Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 64056, "name": "pass1", "director": { "id": 802455, "username": "royz", "country": "au", "icon": "https://user-uploads.online-go.com/23489ab482345a76b6d432ff07368b5a-64.png", "ratings": { "version": 5, "overall": { "rating": 1052.1310274249, "deviation": 62.60253870008884, "volatility": 0.06006769076422171 } }, "ranking": 16.093293696950248, "professional": false, "ui_class": "" }, "description": "1111111111111111111111111111", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 60, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 60, "initial_time": 60, "max_time": 60 }, "is_open": true, "exclude_provisional": true, "group": { "id": 2014, "name": "The Nines 9x9 ", "summary": "9x9 Go!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 374, "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-08T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-09T23:06:42.873266Z", "ended": "2020-08-09T23:16:56.934792Z", "start_waiting": "2020-08-09T23:06:42.716485Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png", "player_count": 4, "ranked": true }, { "id": 65028, "name": "Blitz 19x19 Elimination Tournament 2020-09-03 09:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260512T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-05-12T09:00:49.664431Z", "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": "2026-05-12T13:00:00Z", "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": "2020-09-03T09:30:12.974859Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2020-09-03T09:30:14.513548Z", "ended": "2020-09-03T09:57:33.858908Z", "start_waiting": "2020-09-03T09:30:14.256849Z", "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": 64136, "name": "No Time Tournament", "director": { "id": 736685, "username": "李朗銳", "country": "hk", "icon": "https://user-uploads.online-go.com/b7c6482c7e297b7c47906a1a0bfc23c7-64.png", "ratings": { "version": 5, "overall": { "rating": 1005.3610697829467, "deviation": 66.82162579107839, "volatility": 0.06001116661169058 } }, "ranking": 15.040642201285266, "professional": false, "ui_class": "" }, "description": "This is a long tournament with no time!", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "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": 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": true, "time_start": "2020-08-11T07:57:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-11T07:57:11.631469Z", "ended": "2020-08-18T02:12:29.457256Z", "start_waiting": "2020-08-11T07:57:11.280868Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/800b4a0d234e19e92a200d1dd3e4faff-15.png", "player_count": 4, "ranked": true } ] }
