Cross-Platform Chess Game with FX!

I'm looking for an experienced developer to create a cross-platform chess game for iOS, Android and web. The game should include both single-player and multiplayer modes, with online multiplayer functionality.

Think chess.com with some features added, some removed, and integration of payments.

Key Requirements:
- Platforms: iOS and Android and web
- Game Modes: Single-player and online multiplayer
- Engaging graphics and user-friendly interface
- Secure and reliable online multiplayer functionality

Ideal Skills and Experience:
- Proven experience in mobile game development, especially on iOS and Android
- Strong background in implementing multiplayer functionalities
- Proficiency in game design and UX/UI principles
- Knowledge of security measures for online gaming
- experience with casino games

Please provide examples of previous work and a detailed plan for development.

Please, serious proposals only. Unless you're able to do the job WITHIN THE BUDGET, dont even leave your proposal.