Find your patterns.
Look across your games for recurring mistakes and habits, from fast blunders to missed threats and thrown endgames.
Sia 2.3 Alpha · Preview access
Play more of
your best chess.
Sia uses your own games to reveal the patterns in your chess — then helps you focus your training on what matters to you.
Explore the $99 preview offerBuilt for adult improvers. Already taking shape with eight Founders.
Inside Sia
See Sia in action
Your games. Your priorities.
What should you
work on next?
Understand your priorities.
Explore your Work-ons, see the evidence in your games and choose where to focus your attention.
Put it into practice.
Revisit positions, work through explanations and try again. Train the situations that keep coming up in your chess.
Ben’s birthday offer
Your whole 2027.
Plus a sneak preview.
Get access to Sia for the whole of 2027, plus pre-launch Alpha access during 2026 as soon as Ben gets you set up.
- Membership through 31 December 2027Use your own games to find your Work-ons and put them into practice, alongside Sia’s tactics training.
- Preview access before launchStart using Sia while it is in Alpha, with new features and improvements as development continues.
$99 USD · single payment
Get 2027 + preview access — $99Ben sets up accounts and imports games personally. Access begins as soon as your account is ready; please allow a few days for setup.
Prefer lifetime access and group coaching? Explore Founder membership below ↓
Work with Ben. Help shape Sia.
Become a
Sia Founder.
Join the eight Founders already involved, with early access to Sia and regular time together to learn, share feedback and work on your chess.
Your Founder membership includes
- Lifetime access to SiaFor as long as Sia exists.
- Pre-launch access during 2026Start using Sia while it is in Alpha.
- Group sessions throughout 2027Every two weeks, usually two hours: new features, feedback and individual coaching within the group.
- A voice in Sia’s developmentYour experience and feedback help shape what comes next.
A few practical details.
What does Alpha access mean?
Sia is still being developed. Features will evolve and you may encounter bugs. Both memberships include pre-launch Alpha access; Founder membership also includes the group sessions throughout 2027.
What happens after I join?
Ben will contact you to set up your account and import your games. Setup is personal rather than instant, so please allow a few days. If you join as a Founder, Ben will also share the arrangements for the group sessions.
How does the $99 preview offer differ from Founder membership?
The preview offer is a single $99 payment for Sia access through 31 December 2027, plus Alpha access as soon as your account is ready. Founder membership includes lifetime Sia access, group sessions throughout 2027 and a voice in Sia’s development, with a choice of $999 upfront or 12 monthly payments of $99.
Does lifetime access include lifetime coaching?
Lifetime access covers Sia for as long as it exists. The group sessions and coaching commitment runs throughout 2027.
Have a question before joining? Email Ben