Choose Your Subject
Select target topics including Languages, Philosophy, History, Science, Coding, or Logic, and choose your practice prompt.
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Join learners worldwide to test your writing skills and rank up.
Round 3 of 31 – 1
You
Opponent
Both participants write this round
The essay so far
Explore 1,000+ writing prompts
Reserve a TableBeginner
Shopping for ClothesBeginner
Seeing a DoctorIntermediate
At the SupermarketBeginner
Discussing the WeatherIntermediate
Introduce YourselfBeginner
IELTS Task 2 EssayAdvanced
Make Birthday PlansBeginner
Public Speaking TipsIntermediate
Fitness & Health AdviceIntermediate
Renting an ApartmentIntermediate
Ordering at a CaféBeginner
Job Interview PrepIntermediate
Startup Advisory PitchIntermediate
TOEFL Independent EssayAdvanced
Hotel Check-in & TravelBeginner
Get Evaluated onPeak Insights
Real-time AI evaluates every sentence
with chess-style verdict stamps.
How It Works
Performance Evaluator
Submissions are evaluated for reasoning, accuracy, vocabulary, and structure with line-by-line feedback.
Gain Elo
Just like in a chess match, rating shifts are determined by your opponent's rating. Take on tougher opponents to earn higher Elo scores and climb the global leaderboard.
From Beginner to Grandmaster
Your rating updates with every submission. Scroll down to climb the ladder and see how rare each rank is.
200
Beginner0–1199ahead of 0.2% of ratings
Modelled rating distribution — Elo assumes a normal spread, centred on the 1200 every new player starts at.
Finding your feet — building sentence control, core grammar, and the habit of finishing a piece.
Frequently Asked Questions
Practice writing in English, Japanese, Chinese, Spanish, or French, plus subjects like Philosophy, History, Science, Coding, and Logic. Test formats for IELTS, TOEFL, and HSK are also included.
Submissions are scored on reasoning, vocabulary, and structure with line-by-line feedback and a rating update.
Yes, you can start training for free.
Your rating adjusts based on prompt difficulty and writing quality. Harder prompts earn more points.
Yes, ClashClass includes prompts and scoring rubrics built for IELTS, TOEFL, HSK, and other major writing exams.
Yes, your profile keeps your essay history, line-by-line feedback, scores, and rating progress.
Yes! We offer beginner-friendly prompts and guided feedback so you can build confidence and write at your own pace.
Yes, advanced arenas feature complex prompts, strict rubrics, and competitive Elo matches designed to sharpen precision.
Yes, Online Match mode lets you compete live against other writers under time limits to climb the global leaderboard.
Your first arena is waiting.
Pick a prompt, write your best, and see where your Elo lands.