Chess Database

Know your opponent, prepare like a Grandmaster.

Features

Everything we offer

Targeted Opening Preparation

Explore an interactive opening tree built from your opponent's actual tournament games to find their weaknesses and predictable lines.

Tournament Games Database

Search through millions of official tournament games from chess-results to find exactly how your opponent handles specific critical variations.

Opponent Tendencies

See exactly which candidate moves your rival prefers in any position, including their historical win, draw, and loss percentages.

Deep Game Analysis

Replay your opponent's past games move by move on an interactive board to understand their playing style and endgame technique.

Performance Insights

Identify patterns in your opponent's repertoire and spot the specific variations or time controls where they historically struggle the most.

Installable Web App

Add to your home screen on any device. Prepare for your next round directly from your phone at the tournament playing hall.

How it works

Before the round starts

01

Search Your Opponent

Enter the name or FIDE ID of the player you are paired against in your next tournament round.

02

Analyze Their Repertoire

Instantly view an opening tree built exclusively from their official over-the-board tournament games.

03

Prepare Your Strategy

Identify their favorite lines, find their weak spots, and prepare your counter-strategy with concrete data.

Our principles

What we stand for

Accurate Game Data

We focus on verified over-the-board tournament games, ensuring reliable data for your pre-game preparation.

Free and open

No accounts, no paywall, no premium tiers. Prepare against your opponents without restrictions.

Lightning Fast

Optimized to provide instant responses, so you can do last-minute preparation right before the round starts.

Ecosystem

Part of a bigger chess family

Ready to prepare your next game?

Search for your opponent, explore their opening tree, and find the perfect line to surprise them.

Find your opponent