HoldemResources Calculator (HRC) is an advanced GTO pre-flop solver for No-Limit Hold’em, tailored for both tournament and cash game players. It offers two versions: HRC Classic for short to medium stacks and HRC Pro for deep stacks with enhanced features. HRC also includes advanced postflop abstractions, a novel MTT ICM model for large field tournaments, and a free viewer mode for sharing calculations. HRC has minimum system requirements: you can use solver starting from 4 GB RAM. Hand histories formats from the most popular poker sites are supported. You can try HRC with a 14-day free trial.