: In Aquarium, set a "delta" (e.g., 25 centipawns) to limit multi-PV analysis to only those moves that are competitively close to the best move, preventing the engine from wasting resources on obviously poor alternatives.
What is your ? (This affects how you should configure Deep Rybka's threads.) Rybka 3 Aquarium Overview Rybka 5
: This feature allows the engine to "remember" previously analyzed positions across different sessions. This is critical for producing a "good" feature in a long-term project, such as building an opening repertoire, as the engine becomes faster and more accurate the more it re-visits a line. : In Aquarium, set a "delta" (e