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Understand why positions are won or lost, convert scoresheets and books into PGN, prepare against opponents with their games, browse tournaments, train puzzles, and more.

You are clearly winning, but the key is understanding why: the black king is in danger, Black has no real counterplay, and the light-squared bishop is especially trapped. The e5 square is critical: if White prepares e4, the bishop's blockade breaks and White can attack very quickly because Black is underdeveloped.
47,752 tournaments in the database to plan where to compete.
World ranking list plus a focused profile card for quick opponent preparation.
A quick reference to prepare opponents and study level.
W/D/L performance by time control
Elo trend · last 2 years
Norway Chess 2026 sample games
Daily puzzle, concrete themes, and survival mode to measure how far you can go as the difficulty rises.
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Dictate d4, capture on e4, castle, or ask for the game to be repeated. ChessMazius interprets the move, chooses an Elo-limited engine reply, and speaks it back.
It can listen again when it is your turn so you do not need to touch the phone.
Choose an opponent from 1200 to 2800 and get replies adapted to that strength.
Ask to repeat the moves, correct the last one if it was misunderstood, and continue.
Understands spoken notation in both languages so you can train naturally.
Online and in-person lessons for every level.
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Tell us what you need: tournaments, coaches, scoresheet OCR, analysis, clubs, organizer accounts or any improvement you want to see in the platform.
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