Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-first_pairing_method&page=1226
{ "count": 60556, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=1227", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-first_pairing_method&page=1225", "results": [ { "id": 126398, "name": "Live 9x9 Double Elimination Tournament 2025-03-14 10:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260809T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": 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"2026-03-17T16:16:29.441161Z", "board_size": 13, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 138727, "name": "Live 9x9 Double Elimination Tournament 2026-03-28 14:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260809T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-09T14:00:28.981650Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "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": "2026-08-09T18:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-03-28T14:30:10.116212Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-28T14:31:10.291717Z", "ended": "2026-03-28T15:06:43.833447Z", "start_waiting": "2026-03-28T14:31:10.124986Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 127414, "name": "kata_web challenge", "director": { "id": 1385471, "username": "changcheng6541", "country": "cn", "icon": "https://user-uploads.online-go.com/1227b6b65ee93a963ef1738884fa8c8e-64.png", "ratings": { "version": 5, "overall": { "rating": 1106.178593637233, "deviation": 86.05012077415248, "volatility": 0.06004438086150537 } }, "ranking": 17.252963078549588, "professional": false, "ui_class": "" }, "description": "gfgjfyu", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 87084, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 86400, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 12594, "name": "Doulet Media", "summary": "This is one of the Bot that allows Bots and welcome Bots because we developed bots and test them in here. Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 1939, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-64.png" }, "auto_start_on_max": false, "time_start": "2025-04-12T15:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-18T16:49:15.765148Z", "ended": "2025-04-21T16:49:28.076774Z", "start_waiting": "2025-04-18T16:49:15.717521Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-15.png", "player_count": 2, "ranked": true }, { "id": 138732, "name": "Blitz 19x19 Elimination Tournament 2026-03-28 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 Site-wide Tournament", "schedule": { "id": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260809T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-09T13:00:28.964916Z", "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": "2026-08-09T17:00:00Z", "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": "2026-03-28T17:30:10.218077Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2026-03-28T17:31:10.322059Z", "ended": "2026-03-28T17:57:26.472326Z", "start_waiting": "2026-03-28T17:31:10.209180Z", "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": 124555, "name": "Второй тур!!", "director": { "id": 877073, "username": "Natan69", "country": "ru", "icon": "https://secure.gravatar.com/avatar/21b73c556d2dd7856a32ae118c3bbcbe?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1649.627802663892, "deviation": 65.15022454872873, "volatility": 0.060058636996740675 } }, "ranking": 26.504590214134495, "professional": false, "ui_class": "" }, "description": "Удачной игры", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 37, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13807, "name": "Лига Го", "summary": "", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/28d9f50ac6e126e122419fc2c6aef4b7-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-02T10:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-02-02T10:00:23.404611Z", "ended": "2025-02-02T11:18:49.878739Z", "start_waiting": "2025-02-02T10:00:23.354085Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/28d9f50ac6e126e122419fc2c6aef4b7-15.png", "player_count": 4, "ranked": true }, { "id": 124075, "name": "Swiss Tournament 2025", "director": { "id": 1614745, "username": "Phoenix19", "country": "ch", "icon": "https://user-uploads.online-go.com/c3e8d83c014c6120118cfa9693d4644d-64.png", "ratings": { "version": 5, "overall": { "rating": 731.4366609270556, "deviation": 71.77724680086628, "volatility": 0.05998275791752331 } }, "ranking": 7.676826277221307, "professional": false, "ui_class": "" }, "description": "Ein Test-Turnier, um zu schauen wie aktiv die Mitglieder hier sind. \n\nIch bin neu, aber habe zu wenig aktive Spiele und wollte die absichtlich hier auffrischen :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 93238, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 864000, "max_time": 864000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 60, "name": "Swiss Group", "summary": "All swiss players please meet here!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 128, "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-17T10:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-17T10:00:40.320076Z", "ended": "2025-11-17T15:38:43.511977Z", "start_waiting": "2025-01-17T10:00:40.035482Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-15.png", "player_count": 16, "ranked": true }, { "id": 124029, "name": "Oasis Group Invitational", "director": { "id": 1405936, "username": "Cold Rain", "country": "us", "icon": "https://user-uploads.online-go.com/01b6aca6f133f5fe2af5f33cef55d7a6-64.png", "ratings": { "version": 5, "overall": { "rating": 859.4334673598835, "deviation": 61.511740416005225, "volatility": 0.05991971908646655 } }, "ranking": 11.410059738591569, "professional": false, "ui_class": "" }, "description": "Join the ladder to get more tournaments. This is invitation to join the group. Our focus is on ladder.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14926, "name": "Disciples of Life&Death", "summary": "correspondence ladder matches", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 4, "icon": "https://user-uploads.online-go.com/1b815b17335d043b09cf343c66a59d53-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-09T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-09T15:00:38.058030Z", "ended": "2025-07-10T15:59:57.256150Z", "start_waiting": "2025-01-09T15:00:37.972600Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1b815b17335d043b09cf343c66a59d53-15.png", "player_count": 5, "ranked": true }, { "id": 124139, "name": "19x19 no.10", "director": { "id": 1163256, "username": "Wiangsak", "country": "142", "icon": "https://user-uploads.online-go.com/338a9e48fc15954b3a692ae3a545998e-64.png", "ratings": { "version": 5, "overall": { "rating": 1315.7986199412178, "deviation": 65.02787781116169, "volatility": 0.060374131680668186 } }, "ranking": 21.270238826122636, "professional": false, "ui_class": "" }, "description": "ซ้อมกัน แบบพบกันหมด", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": false, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14715, "name": "CP GO Tournament", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 13, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-01-11T11:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-01-10T11:00:13.698784Z", "ended": "2025-01-27T11:14:51.855516Z", "start_waiting": "2025-01-10T11:00:13.309717Z", "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": 124149, "name": "9x9 tourney", "director": { "id": 1672844, "username": "deleted-b9b59e78-7fe2-421b-9592-08ffce621348", "country": "us", "icon": "https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png", "ratings": { "version": 5, "overall": { "rating": 800.7266229935348, "deviation": 70.04385716130463, "volatility": 0.060331232367038926 } }, "ranking": 9.772108826139116, "professional": false, "ui_class": "" }, "description": "Welcome, have fun this tourney", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 92554, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 777600, "max_time": 777600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14868, "name": "Study group 9x9, 13x13, 19x19", "summary": "We like to play all go seriously. We study, play each other, and have tournaments every now and then.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 71, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-10T16:10:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-10T16:10:38.431478Z", "ended": "2025-03-12T12:43:22.353862Z", "start_waiting": "2025-01-10T16:10:38.277632Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png", "player_count": 9, "ranked": true } ] }
