Build a comprehensive web application for tracking statistics during an American football game and generating detailed reports at the end.
- Field: 100 yards long with 10-yard end zones at each end
- Teams: 11 players per side on the field
- Quarters: Four 15-minute quarters
- Downs: Offense gets 4 attempts (downs) to advance 10 yards. Success grants a new set of 4 downs
- Play clock: 40 seconds between plays (25 seconds after certain stoppages)
- Touchdown (6 points): Player carries ball into or catches ball in opponent's end zone
- Extra Point (1 point): Kick through uprights after touchdown
- Two-Point Conversion (2 points): Run or pass into end zone after touchdown
- Field Goal (3 points): Kick through uprights during normal play
- Safety (2 points): Defensive team tackles ball carrier in their own end zone
- Possession: Team retains possession until they score, fail to gain 10 yards in 4 downs, turn the ball over (fumble/interception), or punt
- Turnover: Change of possession via interception or fumble recovery
- Penalties: Rule violations result in yardage penalties (5, 10, or 15 yards typically)
- Clock Management: Clock stops for incomplete passes, out of bounds, timeouts, scores, and penalties
- First Down: Achieved by advancing 10+ yards from line of scrimmage
- Kickoff: Used to start each half and after scoring plays
- QB (Quarterback): Throws passes, leads the offense, calls plays
- RB (Running Back): Carries the ball on rushing plays, catches passes out of backfield
- FB (Fullback): Blocks for running back, occasional ball carrier
- WR (Wide Receiver): Catches passes, runs routes downfield
- TE (Tight End): Blocks like offensive lineman, catches passes like receiver
- OT (Offensive Tackle): Protects quarterback's blind side, blocks on running plays (Left/Right)
- OG (Offensive Guard): Interior lineman, blocks for runs and passes (Left/Right)
- C (Center): Snaps ball to quarterback, anchors offensive line
- DE (Defensive End): Rushes passer from edge, sets edge against runs (Left/Right)
- DT (Defensive Tackle): Interior lineman, stops runs up middle, rushes passer
- NT (Nose Tackle): Lines up over center in 3-4 defense, occupies blockers
- OLB (Outside Linebacker): Defends edge, covers backs/tight ends, rushes passer (Left/Right)
- MLB/ILB (Middle/Inside Linebacker): Quarterback of defense, stops runs, covers middle
- CB (Cornerback): Covers wide receivers, defends passes (Left/Right)
- S (Safety): Last line of defense, covers deep passes, supports run defense
- FS (Free Safety): Provides deep coverage, reads quarterback
- SS (Strong Safety): Plays closer to line, hybrid coverage/run support
- K (Kicker/Placekicker): Kicks field goals, extra points, kickoffs
- P (Punter): Punts ball on fourth down
- LS (Long Snapper): Snaps ball for punts and field goals
- H (Holder): Holds ball for field goal and extra point attempts
- KR/PR (Kick/Punt Returner): Returns kickoffs and punts
- Enter team names (Home/Away)
- Set up rosters with:
- Player names
- Jersey numbers
- Positions (from list above)
- Option to designate captains
- Configure game settings:
- Date and time
- Location/field
- Weather conditions (optional)
- Officials (optional)
- Track current quarter, time remaining, score
- Record down and distance (e.g., "2nd & 7")
- Track field position (yard line)
- Display possession indicator
- Timeout tracking (3 per half per team)
- Log each play with:
- Play type (run, pass, punt, field goal, kickoff, penalty, sack)
- Players involved (by position and number)
- Yards gained/lost
- Result (completion, incompletion, touchdown, first down, etc.)
- Starting and ending yard line
Passing Stats (by QB)
- Attempts
- Completions
- Completion percentage
- Yards
- Touchdowns
- Interceptions
- Sacks taken
- QB Rating/Passer rating
- Longest completion
Rushing Stats (by RB, QB, WR, etc.)
- Carries
- Yards
- Average yards per carry
- Touchdowns
- Fumbles (lost/recovered)
- Longest run
Receiving Stats (by WR, TE, RB)
- Receptions
- Targets
- Yards
- Average yards per catch
- Touchdowns
- Longest reception
Offensive Line
- Sacks allowed
- Pancake blocks (optional)
Individual Defensive Stats
- Tackles (solo)
- Assists
- Total tackles
- Tackles for loss (TFL)
- Sacks
- Quarterback hits
- Interceptions
- Interception return yards
- Pass deflections/breakups
- Forced fumbles
- Fumble recoveries
- Fumble return yards
- Defensive touchdowns
Kicking (K)
- Field goal attempts/makes
- Field goal percentage
- Longest field goal
- Field goals by distance (0-29, 30-39, 40-49, 50+)
- Extra point attempts/makes
- Kickoffs
- Touchbacks
Punting (P)
- Number of punts
- Total yards
- Average yards per punt
- Longest punt
- Punts inside 20
- Touchbacks
Returns (KR/PR)
- Kick returns / yards / average / longest / TDs
- Punt returns / yards / average / longest / TDs
- Fair catches
- Drive summaries:
- Number of plays
- Total yards
- Time of possession
- Drive result (TD, FG, punt, turnover, downs)
- Scoring plays chronology with time and description
- Possession time per team
- Turnover tracking with details
- Red zone efficiency (scores/attempts when inside 20-yard line)
Track aggregate team stats:
- Total Offense: Passing yards + rushing yards
- First Downs: By rush, pass, penalty
- Third Down Conversions: Attempts and conversions
- Fourth Down Conversions: Attempts and conversions
- Turnovers: Total giveaways
- Penalties: Number and total yards
- Time of Possession: Minutes and seconds
- Sacks: Number and yards lost
- Red Zone Efficiency: Touchdowns/total trips
Generate a comprehensive report including:
- Final score
- Date, time, location
- Weather conditions
- Quarter-by-quarter scoring summary
Side-by-side comparison showing:
- Total yards (passing + rushing)
- Passing yards
- Rushing yards
- First downs
- Third down efficiency (conversions/attempts)
- Fourth down efficiency
- Turnovers
- Penalties/yards
- Time of possession
- Sacks allowed/yards
Passing Leaders
- Player name, position, number
- Completions/attempts, yards, TDs, INTs, rating
Rushing Leaders
- Player name, position, number
- Carries, yards, average, longest, TDs
Receiving Leaders
- Player name, position, number
- Receptions, yards, average, longest, TDs
Defensive Leaders
- Tackles (solo + assists)
- Sacks
- Interceptions
- Forced fumbles
Special Teams Leaders
- Kicking stats
- Punting stats
- Return stats
Table showing each possession:
- Quarter
- Starting field position
- Plays
- Yards
- Time of possession
- Result
Chronological list of all scoring plays:
- Time
- Team
- Score type
- Description
- Score after play
Optional detailed log of every play in the game
- Game MVP consideration
- Notable milestones
- Longest plays
- Key turnovers
- Game-changing moments
- Speed: Quick-tap buttons for common plays during live action
- Clarity: Large, readable text for outdoor viewing
- Simplicity: Minimize taps needed to log plays
- Forgiveness: Easy undo/edit for mistakes
- Scoreboard always visible at top
- Quick-access buttons for:
- Common play types (run left, run middle, run right, short pass, long pass)
- Player selection by position group
- Outcomes (TD, first down, incomplete, turnover)
- Down and distance calculator
- Field position visualizer
- Color-coded teams
- Real-time stat updates visible during game
- Confirmation prompts for critical actions (scoring, turnovers)
- Responsive design for tablets and phones
- Portrait and landscape orientation support
- Works offline (sync when connection available)
- Touch-optimized controls
- High contrast for outdoor visibility
- Auto-save every action
- Automatic save after every play logged
- Cloud backup (optional)
- Export options:
- PDF report
- CSV data
- JSON format
- Share via email/text
- Save multiple games
- Game library with search/filter
- Season statistics aggregation
- Team season records
- Player career statistics across games
- Comparison tools between games
- Validation to prevent impossible stats
- Warnings for unusual entries
- Play-by-play audit trail
- Ability to edit historical plays
- Backup before major edits
- Video Integration: Link plays to video timestamps
- Real-time Sharing: Live stats feed for fans/coaches
- Charts & Graphs: Visual representation of stats
- Tendencies: Track play-calling patterns
- Opponent Scouting: Historical data on upcoming opponents
- Multi-user Input: Multiple stat keepers for accuracy
- Voice Commands: Hands-free stat entry
- Automated Alerts: Milestones, records, unusual stats
Build as a single-page application (React, Vue, or similar) with:
- Local storage for offline capability
- State management for complex game data
- Component-based UI for modularity
- Form validation for data accuracy
- Progressive Web App (PWA) for mobile installation
- Normalize player data (one source of truth)
- Structure plays as discrete events
- Link plays to drives
- Link drives to quarters
- Calculate aggregate stats from play data
- Use timestamps for all events
- Instant response to user input (<100ms)
- Handle 150+ plays per game efficiently
- Quick report generation (<2 seconds)
- Smooth scrolling through play history
- Minimal battery drain during 3-hour games
The application should enable a user to:
- Set up a game in under 2 minutes
- Log a play in 3-5 seconds during live action
- Generate a complete statistical report instantly at game end
- Make corrections easily without disrupting flow
- Access historical game data weeks or months later
- Share professional-looking reports with coaches and players
Build this as a tool that makes football stat tracking efficient, accurate, and accessible for high school teams, youth leagues, recreational leagues, and serious football enthusiasts.