Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=412
{ "count": 59134, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=413", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=411", "results": [ { "id": 67318, "name": "Simple Correspondence 19x19 ALL 2020 December", "director": { "id": 302584, "username": "koast", "country": "us", "icon": "https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png", "ratings": { "version": 5, "overall": { "rating": 1518.190018088078, "deviation": 64.08013528375135, "volatility": 0.05996666523783403 } }, "ranking": 24.58242625475131, "professional": false, "ui_class": "" }, "description": "Last Monthly of 2020!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5017, "name": "Simple Correspondence", "summary": "2 days per move. No Analysis.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-01T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-12-01T22:00:18.857408Z", "ended": "2021-02-21T16:14:50.013997Z", "start_waiting": "2020-12-01T22:00:17.037984Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png", "player_count": 10, "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": 81167, "name": "2021秋季升級賽-中級組(模擬測試)10/10", "director": { "id": 1044601, "username": "senseihk", "country": "un", "icon": "https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2326.49766407098, "deviation": 249.480229604016, "volatility": 0.060008490664285076 } }, "ranking": 34.463891257409, "professional": false, "ui_class": "provisional" }, "description": "2021秋季升級賽-中級組(模擬測試)10/10", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 13, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10177, "name": "SGA-Tournament", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 42, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-10-10T10:25:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-10-10T10:18:09.551697Z", "ended": "2021-10-10T11:21:52.476628Z", "start_waiting": "2021-10-10T10:18:09.487796Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 74477, "name": "แข่งขันวันสิ้นโลก555(2)", "director": { "id": 750171, "username": "KHAE", "country": "th", "icon": "https://user-uploads.online-go.com/56d33c7e8e7ce67f73aa947fd300727b-64.png", "ratings": { "version": 5, "overall": { "rating": 1287.039113571418, "deviation": 62.03202260607443, "volatility": 0.06028614816374175 } }, "ranking": 20.758635924188564, "professional": false, "ui_class": "" }, "description": "เฉพาะปลาทูเท่านั้น", "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": 4821, "name": "ST Maklom ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 34, "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-64.png" }, "auto_start_on_max": false, "time_start": "2021-04-27T08:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-04-27T22:36:12.040668Z", "ended": "2021-10-15T07:39:37.616637Z", "start_waiting": "2021-04-27T22:36:11.768498Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ffe7b9ee7ce4f4f6cf177e21313b1429-15.png", "player_count": 4, "ranked": true }, { "id": 131467, "name": "II Real 20-25 k Tournament", "director": { "id": 1676951, "username": "davi.jorge.arte", "country": "br", "icon": "https://user-uploads.online-go.com/a3f98b8c45002f900cff5882710c1b52-64.png", "ratings": { "version": 5, "overall": { "rating": 450.8962829850234, "deviation": 64.5749256840693, "volatility": 0.06003636805143325 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "A tournament for low rating players as fast as it can be (nowadays).", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 24, "name": "Double Digit Kyu Room", "summary": "For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3647, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-08-22T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-16T19:14:10.829089Z", "ended": "2026-02-01T06:32:44.517837Z", "start_waiting": "2025-08-16T19:14:10.672643Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 67237, "name": "Sysarro 10-30-2020 Tournament", "director": { "id": 831916, "username": "cramer.corey", "country": "us", "icon": "https://user-uploads.online-go.com/bda105b6c05a9cb758400e4117896dfa-64.png", "ratings": { "version": 5, "overall": { "rating": 1288.3696969900434, "deviation": 156.62123401996982, "volatility": 0.060004265348204654 } }, "ranking": 20.782556793570986, "professional": false, "ui_class": "" }, "description": "of Champions!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 10, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 10, "initial_time": 30, "max_time": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6616, "name": "SYSARRO", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-10-30T16:20:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-30T16:20:00.978612Z", "ended": "2020-10-30T16:30:46.432772Z", "start_waiting": "2020-10-30T16:20:00.633609Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 106153, "name": "9x9 Mini League 5k-15k #34", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1364.3703333537464, "deviation": 67.846561836993, "volatility": 0.06018625827610971 } }, "ranking": 22.10940852675284, "professional": false, "ui_class": "" }, "description": "Special league for players between 15kyu and 5kyu. 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": 696, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2023-08-13T19:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 15, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2023-08-12T16:49:20.381338Z", "ended": "2023-09-02T12:45:41.586935Z", "start_waiting": "2023-08-12T16:49:20.249068Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 105144, "name": "Test No.2", "director": { "id": 912379, "username": "IamRada", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/4f64541d70d0fa8dca0dbff55c3915ce-64.png", "ratings": { "version": 5, "overall": { "rating": 1326.5765697764955, "deviation": 68.85693106278102, "volatility": 0.06003148981290922 } }, "ranking": 21.459092342000847, "professional": false, "ui_class": "" }, "description": "Only test.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 78, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 4800, "period_time": 40, "periods": 1 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13343, "name": "Play for fun!", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 5, "icon": "https://user-uploads.online-go.com/ac09d6f187dfff4e3cd198854a86cf34-64.png" }, "auto_start_on_max": false, "time_start": "2023-07-12T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-12T14:00:47.219788Z", "ended": "2023-07-12T18:03:25.136025Z", "start_waiting": "2023-07-12T14:00:47.090997Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ac09d6f187dfff4e3cd198854a86cf34-15.png", "player_count": 5, "ranked": true }, { "id": 34074, "name": "Correspondence 13x13 RoundRobin 2018-01-29 01:00", "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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260326T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-03-26T19:00:10.827242Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-29T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2018-01-29T01:00:08.515097Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-01-29T01:00:32.242633Z", "ended": "2018-03-21T08:41:19.294160Z", "start_waiting": "2018-01-29T01:00:30.358823Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 8, "ranked": true }, { "id": 105084, "name": "Correspondence 9x9 RoundRobin 2023-07-06 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260324T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-24T19:00:20.501803Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-03-27T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-07-06T19:00:57.937088Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-06T19:00:58.403769Z", "ended": "2023-07-14T06:00:09.502714Z", "start_waiting": "2023-07-06T19:00:58.195935Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true } ] }
