{
  "users": 8,
  "tasks": 20,
  "chains": 2,
  "submissions": {
    "total": 95,
    "accepted": 38,
    "rejected": 42,
    "pending": 8,
    "inProgress": 7
  },
  "averageCheckTimeMs": 2143,
  "queue": {
    "queueLength": 15,
    "waiting": 8,
    "inProgress": 7,
    "maxConcurrency": 10,
    "currentlyProcessing": 7
  },
  "tasksTable": [
    {
      "taskId": "task_1",
      "title": "Создание REST API",
      "totalAttempts": 12,
      "uniqueUsers": 6,
      "acceptedCount": 5,
      "successRate": 83,
      "averageAttemptsToSuccess": 2.4
    },
    {
      "taskId": "task_2",
      "title": "Работа с базой данных MongoDB",
      "totalAttempts": 10,
      "uniqueUsers": 5,
      "acceptedCount": 3,
      "successRate": 60,
      "averageAttemptsToSuccess": 3.3
    },
    {
      "taskId": "task_3",
      "title": "JWT аутентификация",
      "totalAttempts": 8,
      "uniqueUsers": 4,
      "acceptedCount": 2,
      "successRate": 50,
      "averageAttemptsToSuccess": 4.0
    },
    {
      "taskId": "task_4",
      "title": "Middleware для Express",
      "totalAttempts": 6,
      "uniqueUsers": 4,
      "acceptedCount": 3,
      "successRate": 75,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_5",
      "title": "WebSocket сервер",
      "totalAttempts": 5,
      "uniqueUsers": 3,
      "acceptedCount": 1,
      "successRate": 33,
      "averageAttemptsToSuccess": 5.0
    },
    {
      "taskId": "task_6",
      "title": "Кэширование с Redis",
      "totalAttempts": 7,
      "uniqueUsers": 4,
      "acceptedCount": 2,
      "successRate": 57,
      "averageAttemptsToSuccess": 3.5
    },
    {
      "taskId": "task_7",
      "title": "GraphQL Schema",
      "totalAttempts": 4,
      "uniqueUsers": 3,
      "acceptedCount": 2,
      "successRate": 67,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_8",
      "title": "Docker контейнеризация",
      "totalAttempts": 3,
      "uniqueUsers": 2,
      "acceptedCount": 1,
      "successRate": 50,
      "averageAttemptsToSuccess": 3.0
    },
    {
      "taskId": "task_9",
      "title": "CI/CD Pipeline",
      "totalAttempts": 2,
      "uniqueUsers": 2,
      "acceptedCount": 1,
      "successRate": 50,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_10",
      "title": "Микросервисная архитектура",
      "totalAttempts": 2,
      "uniqueUsers": 1,
      "acceptedCount": 0,
      "successRate": 0,
      "averageAttemptsToSuccess": 0
    },
    {
      "taskId": "task_11",
      "title": "React компоненты",
      "totalAttempts": 11,
      "uniqueUsers": 6,
      "acceptedCount": 6,
      "successRate": 100,
      "averageAttemptsToSuccess": 1.8
    },
    {
      "taskId": "task_12",
      "title": "React Hooks",
      "totalAttempts": 9,
      "uniqueUsers": 5,
      "acceptedCount": 4,
      "successRate": 80,
      "averageAttemptsToSuccess": 2.3
    },
    {
      "taskId": "task_13",
      "title": "Redux State Management",
      "totalAttempts": 7,
      "uniqueUsers": 4,
      "acceptedCount": 2,
      "successRate": 57,
      "averageAttemptsToSuccess": 3.5
    },
    {
      "taskId": "task_14",
      "title": "React Router",
      "totalAttempts": 6,
      "uniqueUsers": 4,
      "acceptedCount": 3,
      "successRate": 75,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_15",
      "title": "Form валидация",
      "totalAttempts": 5,
      "uniqueUsers": 3,
      "acceptedCount": 2,
      "successRate": 67,
      "averageAttemptsToSuccess": 2.5
    },
    {
      "taskId": "task_16",
      "title": "API интеграция",
      "totalAttempts": 8,
      "uniqueUsers": 5,
      "acceptedCount": 3,
      "successRate": 60,
      "averageAttemptsToSuccess": 2.7
    },
    {
      "taskId": "task_17",
      "title": "CSS-in-JS стилизация",
      "totalAttempts": 4,
      "uniqueUsers": 3,
      "acceptedCount": 2,
      "successRate": 67,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_18",
      "title": "Оптимизация производительности",
      "totalAttempts": 3,
      "uniqueUsers": 2,
      "acceptedCount": 1,
      "successRate": 50,
      "averageAttemptsToSuccess": 3.0
    },
    {
      "taskId": "task_19",
      "title": "Unit тесты с Jest",
      "totalAttempts": 2,
      "uniqueUsers": 2,
      "acceptedCount": 1,
      "successRate": 50,
      "averageAttemptsToSuccess": 2.0
    },
    {
      "taskId": "task_20",
      "title": "E2E тесты с Playwright",
      "totalAttempts": 1,
      "uniqueUsers": 1,
      "acceptedCount": 0,
      "successRate": 0,
      "averageAttemptsToSuccess": 0
    }
  ],
  "activeParticipants": [
    {
      "userId": "user_1",
      "nickname": "alex_dev",
      "totalSubmissions": 18,
      "completedTasks": 12,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 6,
          "progressPercent": 60
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 6,
          "progressPercent": 60
        }
      ]
    },
    {
      "userId": "user_2",
      "nickname": "maria_coder",
      "totalSubmissions": 15,
      "completedTasks": 9,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 5,
          "progressPercent": 50
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 4,
          "progressPercent": 40
        }
      ]
    },
    {
      "userId": "user_3",
      "nickname": "ivan_programmer",
      "totalSubmissions": 10,
      "completedTasks": 5,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 3,
          "progressPercent": 30
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 2,
          "progressPercent": 20
        }
      ]
    },
    {
      "userId": "user_4",
      "nickname": "kate_fullstack",
      "totalSubmissions": 22,
      "completedTasks": 15,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 8,
          "progressPercent": 80
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 7,
          "progressPercent": 70
        }
      ]
    },
    {
      "userId": "user_5",
      "nickname": "dmitry_backend",
      "totalSubmissions": 12,
      "completedTasks": 6,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 5,
          "progressPercent": 50
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 1,
          "progressPercent": 10
        }
      ]
    },
    {
      "userId": "user_6",
      "nickname": "anna_react",
      "totalSubmissions": 14,
      "completedTasks": 7,
      "chainProgress": [
        {
          "chainId": "chain_1",
          "chainName": "Backend разработка",
          "totalTasks": 10,
          "completedTasks": 1,
          "progressPercent": 10
        },
        {
          "chainId": "chain_2",
          "chainName": "Frontend разработка",
          "totalTasks": 10,
          "completedTasks": 6,
          "progressPercent": 60
        }
      ]
    }
  ],
  "chainsDetailed": [
    {
      "chainId": "chain_1",
      "name": "Backend разработка",
      "totalTasks": 10,
      "tasks": [
        { "taskId": "task_1", "title": "Создание REST API", "description": "Создайте REST API с Express.js" },
        { "taskId": "task_2", "title": "Работа с базой данных MongoDB", "description": "Интегрируйте MongoDB" },
        { "taskId": "task_3", "title": "JWT аутентификация", "description": "Реализуйте JWT-аутентификацию" },
        { "taskId": "task_4", "title": "Middleware для Express", "description": "Создайте кастомные middleware" },
        { "taskId": "task_5", "title": "WebSocket сервер", "description": "Реализуйте WebSocket для real-time" },
        { "taskId": "task_6", "title": "Кэширование с Redis", "description": "Внедрите Redis для кэширования" },
        { "taskId": "task_7", "title": "GraphQL Schema", "description": "Создайте GraphQL API" },
        { "taskId": "task_8", "title": "Docker контейнеризация", "description": "Контейнеризируйте приложение" },
        { "taskId": "task_9", "title": "CI/CD Pipeline", "description": "Настройте CI/CD" },
        { "taskId": "task_10", "title": "Микросервисная архитектура", "description": "Разбейте на микросервисы" }
      ],
      "participantProgress": [
        {
          "userId": "user_1",
          "nickname": "alex_dev",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "completed" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "completed" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "completed" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "completed" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "completed" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "in_progress" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "not_started" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "not_started" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 6,
          "progressPercent": 60
        },
        {
          "userId": "user_2",
          "nickname": "maria_coder",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "completed" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "completed" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "completed" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "completed" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "needs_revision" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "pending" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "not_started" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "not_started" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 5,
          "progressPercent": 50
        },
        {
          "userId": "user_3",
          "nickname": "ivan_programmer",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "completed" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "completed" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "needs_revision" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "not_started" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "not_started" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "not_started" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "not_started" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "not_started" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 3,
          "progressPercent": 30
        },
        {
          "userId": "user_4",
          "nickname": "kate_fullstack",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "completed" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "completed" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "completed" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "completed" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "completed" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "completed" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "completed" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "in_progress" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 8,
          "progressPercent": 80
        },
        {
          "userId": "user_5",
          "nickname": "dmitry_backend",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "completed" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "completed" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "completed" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "completed" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "in_progress" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "not_started" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "not_started" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "not_started" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 5,
          "progressPercent": 50
        },
        {
          "userId": "user_6",
          "nickname": "anna_react",
          "taskProgress": [
            { "taskId": "task_1", "taskTitle": "Создание REST API", "status": "completed" },
            { "taskId": "task_2", "taskTitle": "Работа с базой данных MongoDB", "status": "pending" },
            { "taskId": "task_3", "taskTitle": "JWT аутентификация", "status": "not_started" },
            { "taskId": "task_4", "taskTitle": "Middleware для Express", "status": "not_started" },
            { "taskId": "task_5", "taskTitle": "WebSocket сервер", "status": "not_started" },
            { "taskId": "task_6", "taskTitle": "Кэширование с Redis", "status": "not_started" },
            { "taskId": "task_7", "taskTitle": "GraphQL Schema", "status": "not_started" },
            { "taskId": "task_8", "taskTitle": "Docker контейнеризация", "status": "not_started" },
            { "taskId": "task_9", "taskTitle": "CI/CD Pipeline", "status": "not_started" },
            { "taskId": "task_10", "taskTitle": "Микросервисная архитектура", "status": "not_started" }
          ],
          "completedCount": 1,
          "progressPercent": 10
        }
      ]
    },
    {
      "chainId": "chain_2",
      "name": "Frontend разработка",
      "totalTasks": 10,
      "tasks": [
        { "taskId": "task_11", "title": "React компоненты", "description": "Создайте переиспользуемые компоненты" },
        { "taskId": "task_12", "title": "React Hooks", "description": "Используйте хуки" },
        { "taskId": "task_13", "title": "Redux State Management", "description": "Управление состоянием" },
        { "taskId": "task_14", "title": "React Router", "description": "Маршрутизация" },
        { "taskId": "task_15", "title": "Form валидация", "description": "Валидация форм" },
        { "taskId": "task_16", "title": "API интеграция", "description": "Интеграция с API" },
        { "taskId": "task_17", "title": "CSS-in-JS стилизация", "description": "Стилизация" },
        { "taskId": "task_18", "title": "Оптимизация производительности", "description": "Оптимизация React" },
        { "taskId": "task_19", "title": "Unit тесты с Jest", "description": "Юнит тестирование" },
        { "taskId": "task_20", "title": "E2E тесты с Playwright", "description": "End-to-end тестирование" }
      ],
      "participantProgress": [
        {
          "userId": "user_1",
          "nickname": "alex_dev",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "completed" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "completed" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "completed" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "completed" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "completed" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "in_progress" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "not_started" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 6,
          "progressPercent": 60
        },
        {
          "userId": "user_2",
          "nickname": "maria_coder",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "completed" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "completed" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "completed" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "needs_revision" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "pending" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "not_started" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "not_started" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 4,
          "progressPercent": 40
        },
        {
          "userId": "user_3",
          "nickname": "ivan_programmer",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "completed" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "in_progress" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "not_started" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "not_started" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "not_started" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "not_started" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "not_started" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 2,
          "progressPercent": 20
        },
        {
          "userId": "user_4",
          "nickname": "kate_fullstack",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "completed" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "completed" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "completed" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "completed" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "completed" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "completed" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "in_progress" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 7,
          "progressPercent": 70
        },
        {
          "userId": "user_5",
          "nickname": "dmitry_backend",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "pending" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "not_started" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "not_started" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "not_started" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "not_started" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "not_started" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "not_started" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 1,
          "progressPercent": 10
        },
        {
          "userId": "user_6",
          "nickname": "anna_react",
          "taskProgress": [
            { "taskId": "task_11", "taskTitle": "React компоненты", "status": "completed" },
            { "taskId": "task_12", "taskTitle": "React Hooks", "status": "completed" },
            { "taskId": "task_13", "taskTitle": "Redux State Management", "status": "completed" },
            { "taskId": "task_14", "taskTitle": "React Router", "status": "completed" },
            { "taskId": "task_15", "taskTitle": "Form валидация", "status": "completed" },
            { "taskId": "task_16", "taskTitle": "API интеграция", "status": "completed" },
            { "taskId": "task_17", "taskTitle": "CSS-in-JS стилизация", "status": "in_progress" },
            { "taskId": "task_18", "taskTitle": "Оптимизация производительности", "status": "not_started" },
            { "taskId": "task_19", "taskTitle": "Unit тесты с Jest", "status": "not_started" },
            { "taskId": "task_20", "taskTitle": "E2E тесты с Playwright", "status": "not_started" }
          ],
          "completedCount": 6,
          "progressPercent": 60
        }
      ]
    }
  ]
}