Rybka 5 Link

: For users with multiple processors, Deep Rybka can share its analysis across cores or even across different engine instances in real-time, providing a more robust and "stable" evaluation score. Tips for Getting the Best Results

: When used within the Aquarium interface, IDeA allows you to build a comprehensive "tree" of variations. It doesn't just show you the best move; it explores why other plausible moves fail and visualizes the long-term consequences, effectively producing a complete map of a complex position. Rybka 5

: For a standard quick check, a depth of 5 (2.5 full moves) is the default, but for high-quality features, you should aim for 18–20+ plies to find deep tactical or positional breakthroughs. : For users with multiple processors, Deep Rybka