More Details:• OTS ranking is a good indicator of which are best engines in openings * My created opening test suite is available for downloading: OTS.EPD* OTS.EPD file includes various openings played by latest Top engines• OTS official ranking includes only:1) Public, original and strongest engine versions2) Engines, which are up to 50% similarity (+51% out)* Exception there is for:- Private ones, in case of better performance than the leader (Stockfish)- Derivatives: in case of +10 points better than based original engine- Clone engines: in case of +50 points better than based original engine* Houdini 4 (based mainly on Rybka) managed to do that why not other?!* Otherwise, the standing will be based mainly on derivatives, clones etc.