REBEL-EAS-2.0  is the follow up of REBEL-EAS  and instead of gaining elo as priority number one the emphasis and focus has been mainly on playing style and making the engine play more aggressive.  Making an engine to play more aggressive usually cost elo (see our new second engine REBEL-EXTREME) but the art is to keep the elo loss as small as possible and with REBEL-EAS-2.0 we even managed to gain 5-10 elo together with some search changes.

​

The level of aggressiveness is measured by Stefan Pohl great tool Engines Aggressiveness Statistics, or EAS. A comparison -