Board Game Platform Replication

I'm looking to develop a digital platform for a unique 10x10 board game, similar to chess. The platform should replicate key features from chess.com and include additional interactive elements.

Essential Features:
- Online multiplayer
- AI opponent
- Tutorials and lessons

Additional Features:
- In-game chat
- Achievements and leaderboards
- Customizable pieces and boards

Platforms:
- Web
- Mobile (iOS/Android)
- Desktop (Windows/Mac)

Ideal skills and experience:
- Game development
- UI/UX design
- Experience with multiplayer online games
- Proficiency in cross-platform development

Please provide a portfolio showcasing similar projects.