Fantasy

The fantasy service provides users with the ability to create virtual teams from real players and compete based on their actual performance in professional matches.

Core Concepts

Fantasy is a virtual competition where:

Users form their own teams from real players
Results are based on real statistical indicators
Time periods exist (seasonal, tournament-based)
Points are calculated and rankings are formed

Team

A team is a set of players assembled by a user:

Limited roster with a specific number of positions
Budget constraints (virtual player costs)
Various tactical formations and strategies
Ability to make changes during certain time periods

Player

A player is a virtual representation of a real professional player:

Position and role
Cost in the game economy
Statistical indicators and scoring system
Performance history and form
Performance predictions
Player card upgrades for higher point multipliers

Tournament

A tournament is a time period corresponding to a round of real matches:

Set of real games whose results are counted
Start and end dates
Deadlines for making roster changes
Calculation and updating of results

Types of Fantasy Competitions

By Competition Structure

Global Leagues
- All users compete in a unified ranking
- Common set of rules and restrictions
Knockout Tournaments
- Playoff stages with direct confrontations
- Elimination of losers
- Final stages to determine champion
Daily Competitions
- Short intensive contests
- Quick result calculation
- Frequent roster updates

By Sports Discipline

Dota 2 Fantasy
- Focus on professional Dota 2 players
- Specific statistical indicators (KDA, CS, GPM, etc.)
- Tied to official tournaments and leagues
CS2 Fantasy
- Fantasy system for professional CS2 players
- Unique performance metrics (frags, headshots, rating)
- Tournament structure corresponding to esports calendar
Multi-disciplinary Fantasy System
- Support for various esports disciplines
- Unified scoring system considering each game's specifics
- Integration with various esports events

Business Processes

Season Setup and Launch

Player Database Preparation
- Collecting information about professional players
- Determining costs and positions
- Verifying team roster relevance
Rule and Parameter Definition
- Setting budget constraints
- Configuring scoring system
- Determining round structure and deadlines
Tournament Infrastructure Creation
- Setting up global and main leagues
- Preparing prize fund
- Integration with esports calendar
Marketing and Participant Attraction
- Announcing new season
- Conducting educational activities
- Stimulating participation through special rewards

Fantasy Team Management

Team Creation and Setup
- Choosing name and visual design
- Initial roster selection
- Strategy and tactics determination
Roster Management
- Player transfers (substitutions)
Analytics and Planning
- Player statistics analysis
- Performance prediction
- Strategic planning for several rounds ahead

Result Calculation and Rewarding

Real Performance Data Collection
- Integration with tournament and match APIs
- Recording statistical indicators
- Validating received data
Point Calculation
- Applying scoring system to player statistics
- Real-time result updates
- Finalizing points at round end
Rating and Table Updates
- Recalculating positions in global ranking
- Updating results in private leagues
- Progress in knockout tournaments
Reward Distribution
- Crediting in-game currency
- Issuing virtual items
- Activating achievements and statuses

Scoring System

General Principles

Objectivity - based on real measurable indicators
Balance - equal opportunities for different roles and positions
Transparency - user-understandable calculation system
Adaptability - ability to configure for various competition formats

Dota 2 Metrics

Basic Indicators
- Kills (+3 points)
- Deaths (-1 point)
- Assists (+1 point)
- Last hits (+0.01 point each)
Extended Statistics
- GPM (gold per minute) - bonus points for threshold exceeding
- XPM (experience per minute) - additional points for high indicators
- Ward placement (+0.5 points each)
- Ward destruction (+0.5 points each)
Team Achievements
- Match victory (additional +20% multiplier)
- Game duration (bonus for quick victories)
- First blood participation (+1 point)

CS2 Metrics

Individual Actions
- Frags (+2 points)
- Deaths (-1 point)
- Headshots (+0.5 additional points)
- Assists (+1 point)
Special Actions
- Bomb plant/defuse (+2 points)
- Clutches (1 vs X) - additional points depending on difficulty
- ACE (entire enemy team elimination) - bonus points
Efficiency
- HLTV rating (bonus points for high rating)
- ADR (average damage per round) - additional points for threshold exceeding
- Duel win percentage - bonus for high indicator

Integration with Other Services

The fantasy league service is integrated with other system components:

User Service - authorization and profile management
Achievement Service - special achievements for fantasy success
Store Service - purchasing boosters and special items
Rating Service - special fantasy rankings
Esports Integrations - receiving real match and player data

Technical Features

Data Collection and Processing

Data Sources
- Official esports tournament APIs
- Specialized statistical services
- Custom parsers and data aggregators
Processing Process
- Validation and normalization of incoming data
- Calculation of derived metrics
- Archiving historical data
- Handling exceptional situations
Real-time Updates
- Streaming data transmission during matches
- Partial updates for critical events
- Full synchronization at game day end

User Experience

Team Management Interface
- Intuitive roster visualization
- Informative player cards with statistics
- Tools for quick substitutions and player comparisons
Analytical Tools
- Player form charts
- Predictive models for performance forecasting
- Comparative analysis of various options