Chess Arena ♟ — I built minimal chess vs Hard AI in vanilla JS — need playtest

chess arena

♟ Chess Arena — Minimal chess vs Hard AI, no login, instant play

Would love if you can play at least 5 minutes and tell me how the difficulty + speed feels? 🙏

Play: https://playgama.ai/play/xl6duef7p3

Would really appreciate a short review / feedback!