Dear Players, We have listened to you! We have closely worked with the creators with Deep Fritz and we are happy to add the multi core version of Fritz Chess as a DLC. For $17.99 (Limited time sale ) you can upgrade your version to a true version of Deep Fritz 14. Here is the product description : Single-processor engines are a thing of the past – that's why the new Fritz comes as a powerful multi-processor version right from the word “go”. Deep Fritz 14 features a 64-bit engine and can support up to eight processor cores simultaneously. Thank you all for your feedback , regarding our Fritz 14 game and we are proud to bring this additional content to you.