Semi-Tarrasch: A Universal Weapon Against 1.d4 - Mihail MarinEven though the Semi Tarrasch cannot offer a complete repertoire against 1. d4, being conditioned of Whites move order, it is an excellent complement to the Nimzoindian Defence. Moreover, it is a viable way of escaping the strategic pressure in the Exchange Queens Gambit while also presenting a reliable weapon against the main Symmetrical English systems. The resulting structures are reminiscent of the dynamic Gruenfeld Defence, but play usually takes