Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4468
{ "count": 60537, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4469", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4467", "results": [ { "id": 99984, "name": "趙叡森 梁誠至", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "趙叡森\n梁誠至", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-02-11T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-02-11T02:44:46.328879Z", "ended": "2023-02-11T03:18:56.342884Z", "start_waiting": "2023-02-11T02:44:46.269601Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 31385, "name": "micha", "director": { "id": 479540, "username": "CHMO", "country": "un", "icon": "https://secure.gravatar.com/avatar/eb4cdd5375ddbdd35e230761304a2816?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1543.9964970816166, "deviation": 134.95248751549119, "volatility": 0.06000672927239032 } }, "ranking": 24.97262726289218, "professional": false, "ui_class": "" }, "description": "we play", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "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": 18092, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2017-10-24T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2017-11-07T01:51:29.223000Z", "ended": "2018-02-02T20:36:41.775874Z", "start_waiting": "2017-11-07T01:51:28.988593Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 4, "ranked": true }, { "id": 108680, "name": "Blitz 19x19 Elimination Tournament 2023-10-21 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:20260807T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-07T21:00:16.942714Z", "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": "2026-08-08T01:00:00Z", "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": "2023-10-21T01:30:05.637268Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-10-21T01:31:05.767004Z", "ended": "2023-10-21T01:45:10.486164Z", "start_waiting": "2023-10-21T01:31:05.655045Z", "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": 102244, "name": "Live 19x19 Swiss Tournament 2023-04-15 20:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260807T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-07T20:00:16.937304Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 40 }, "next_run": "2026-08-08T00:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-04-15T20:30:16.422133Z", "players_start": 6, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-04-15T20:30:17.787406Z", "ended": "2023-04-15T22:04:35.163847Z", "start_waiting": "2023-04-15T20:30:17.616735Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 105542, "name": "Blitz 19x19 Elimination Tournament 2023-07-19 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:20260807T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-07T21:00:16.942714Z", "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": "2026-08-08T01:00:00Z", "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": "2023-07-19T09:30:48.588489Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-07-19T09:31:48.693079Z", "ended": "2023-07-19T09:47:53.609216Z", "start_waiting": "2023-07-19T09:31:48.601328Z", "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": 34532, "name": "Normal Elimination 8 players (#31)", "director": { "id": 211504, "username": "Why am I playing", "country": "th", "icon": "https://user-uploads.online-go.com/5871c4b800476f93d2a66a0cb3e618cb-64.png", "ratings": { "version": 5, "overall": { "rating": 1559.0919502754434, "deviation": 69.84935092039798, "volatility": 0.06153589767848298 } }, "ranking": 25.197862543190354, "professional": false, "ui_class": "" }, "description": "Start when Tournament have 8 players", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 454, "name": "Tournament Club", "summary": "Welcome to the TOURNAMENT CLUB, a remake of the 'Kyu Tournament Group'.\n\nIn this group, you will be able to participate in competitions for your level so that you will have a fair chance of winning! We also have special competitions that require special ru", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 77, "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-64.png" }, "auto_start_on_max": true, "time_start": "2018-02-13T14:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-02-16T10:34:46.083700Z", "ended": "2018-06-21T09:41:46.258243Z", "start_waiting": "2018-02-16T10:34:45.600977Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f9bc230408f387605b22aa31ff5d0022-15.png", "player_count": 8, "ranked": true }, { "id": 138469, "name": "So fast, not so strong #2", "director": { "id": 1901664, "username": "deleted-0d14e7ba-294c-4f05-8a2d-598440adbd99", "country": "ru", "icon": "https://user-uploads.online-go.com/008409a8b0f615c9df2146442d116588-64.png", "ratings": { "version": 5, "overall": { "rating": 1155.0950809191593, "deviation": 69.95506381986796, "volatility": 0.060030168361559944 } }, "ranking": 18.25469354843633, "professional": false, "ui_class": "" }, "description": "Go, beginners!\nVery fast, not strong =)\n\n!!!Disqualification is awarded for a vacation or a game pause.!!!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 4140, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 86400, "period_time": 86400, "stones_per_period": 25 }, "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": 18092, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2026-04-06T18:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": false, "exclusivity": "open", "started": "2026-04-06T06:21:49.696202Z", "ended": null, "start_waiting": "2026-04-06T06:21:47.419075Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 22, "ranked": true }, { "id": 99990, "name": "3 -> 李子霆 4 -> 蔡得恩", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "3 -> 李子霆\n4 -> 蔡得恩", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 25, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2023-02-11T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-02-11T05:02:03.473085Z", "ended": "2023-02-11T05:41:10.145543Z", "start_waiting": "2023-02-11T05:02:03.405862Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 97577, "name": "Summer Holiday Smash", "director": { "id": 460639, "username": "Chritical", "country": "nz", "icon": "https://user-uploads.online-go.com/7050605715f133df0bfdac830d9beebd-64.png", "ratings": { "version": 5, "overall": { "rating": 1841.2709523209323, "deviation": 70.95667619564519, "volatility": 0.05982394023968986 } }, "ranking": 29.04892290665749, "professional": false, "ui_class": "" }, "description": "Hi! As we're stopped over the break, we thought we'd create a correspondence tournament to keep us entertained! I decided to include handicaps just to keep the games interesting. Limited to 10 people so we can do round-robin, but if there's too much interest, then I might make another one with a different system.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "nz", "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": 4770, "name": "Wellington Go Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 42, "icon": "https://user-uploads.online-go.com/01fbf2324b0d7d824d02fdb50b51c5f1-64.png" }, "auto_start_on_max": false, "time_start": "2022-12-13T06:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2022-12-13T06:00:11.120401Z", "ended": "2023-04-25T03:02:13.471168Z", "start_waiting": "2022-12-13T06:00:10.850256Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/01fbf2324b0d7d824d02fdb50b51c5f1-15.png", "player_count": 7, "ranked": true }, { "id": 39283, "name": "4p open", "director": { "id": 544853, "username": "srlindemann", "country": "us", "icon": "https://secure.gravatar.com/avatar/33ee5e1a9f71eceebd59004b7935f4a5?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1338.2904489316804, "deviation": 85.89630375137216, "volatility": 0.05999926868398618 } }, "ranking": 21.66261322849044, "professional": false, "ui_class": "" }, "description": "Open tournament for 4 players.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 2665, "name": "Heavy Cardboard", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2018-07-29T03:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-22T19:05:32.568153Z", "ended": "2019-01-26T16:25:44.401335Z", "start_waiting": "2018-07-22T19:05:31.909310Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true } ] }
