Read this following. This is why it is the worst chess ever that I have.
1. The creator do not know what is en passant move.
2. It is laggy and buggy.
3. When I capture iOS queen and rook, it take my pieces without something capture it.
4. It do not know how to capture things.
5. The creator do not know what is legal move is.
Oscarclever about Chess App