- Steam App
- Battle Hanafuda (4161340)
- Event type
- patch note
- Published
- 30 March 2026 - 10:56:03 UTC
- Source
- steam_community_announcements
In this update, the Hard AI’s win rate against Normal in Watch Mode has been improved from 57.7% to 60.3% (+2.6%).Below are the main improvements:■ Strategic Decision-MakingIntroduced an optimized sequence that minimizes the risk of completing Rainy Four LightsImproved early Koi-Koi stop decisions using Sake Cup when expected value is lowStrengthened continuation decisions when success probability is high and risk is low, even at low scoresIn losing situations (final round), the AI now selects only moves that allow for a comebackOverall improvement in Koi-Koi stop decision accuracy■ Evaluation Function ImprovementsRefined scoring evaluation for TANE / TAN / KASUFixed incorrect expected value estimation for Red Poetry Ribbons (Akatan)Added missing evaluation for “next-turn secure potential”■ Risk Management EnhancementsIncreased release bonus for “all remaining cards are KASU” months when...