ChessAtlas vs 1 in 65 million

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ChessAtlas compared with 1 in 65 million
Detail	ChessAtlas	1 in 65 million
What it does	Free chess opening trainer with spaced repetition	A browser life simulator set in Thailand where your choices shape your story
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Not given	Free preview with first 5 major choices. Lifetime access: ฿59 THB in Thailand, $2.99 USD elsewhere. One-time payment with no recurring subscription.
Key features	Spaced repetition with FSRS algorithm Repertoire builder Opening trainer with instant feedback Game import from Lichess and Chess.com Deviation detection Course library with opening courses iOS and Android mobile apps Multiple language support	Randomly assigned family and background Choices affect health, happiness, skills, relationships and finances Random birth province Save progress across devices
What makes it different	FSRS algorithm schedules reviews 15-30% more efficiently than SM2 Automatic deviation detection from Lichess and Chess.com games Full repertoire builder in free tier with no course purchase required	Set in Thailand with Thai-specific setting and choices Separate experience from 1 in 8 Billion with independent mechanics One-time payment with no recurring subscription
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	17 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	22	1
Citation Flow (Majestic)	24	17
Referring domains (Majestic)	34	5

4 details filled in for both companies.

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