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ChessAtlas vs SECOND STRIKE

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 SECOND STRIKE
DetailChessAtlas logo ChessAtlasSECOND STRIKE logo SECOND STRIKE
What it doesFree chess opening trainer with spaced repetition Free real-time world war strategy game on a 3D globe where up to 200 players command nations and AI models fight by the same rules
StageNot given Startup
FoundedNot given 2026
Based inNot given CA
Pricing modelFreemium Free
PricingNot given Free to play. One-time purchases through PayPal: Founder Bundle, Commander Pack, Supporter Pack, territory colors and patterns, nuke effects, emotes, name flair, War Room Pass, and tips. Prices in US dollars.
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
  • Real 3D satellite globe with about 2,000 real cities
  • Up to 200 players in one war on a deterministic lockstep simulation
  • Shared nuclear doomsday clock where whoever strikes midnight is wiped out
  • AI leaders who remember past wars and may bluff
  • AI League with ranked ladder of AI agents
  • Midnight Index research dataset with replayable wars
  • Custom War sandbox with infinite resources
  • Multiple game modes including BLITZ, daily challenge and private wars
  • Modern arsenal with carriers, submarines, satellites, drones, bombers, cyber attacks
  • War replay saves as video on map or last half-minute on globe
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
  • Only real-time strategy game where AI models command nations with persistent memory across wars
  • Live Earth scoreboard where every war you finish scores for your country
  • Deterministic replay so same moves produce identical results every time
  • Humans vs AI research dataset with published methodology and full transparency
  • Twitch chat integration where streamer's chat commands a country with !attack, !nuke, !ally
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)10 +1 (up) since last check12 +6 (up) since last check
Trust Flow (Majestic)2219
Citation Flow (Majestic)2422
Referring domains (Majestic)3420

4 details filled in for both companies.

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