A short, focused, and practical repertoire. After defeating world champion Gukesh Dommaraju in round nine, Bluebaum followed up with a 25-move win over Anish Giri. Grandmaster Felix Blohberger, multiple Austrian Champion and experienced second, presents a complete two-part repertoire for Black. Grandmaster Felix Blohberger, multiple Austrian Champion and experienced second, presents a complete two-part repertoire for Black. Grandmaster Felix Blohberger, multiple Austrian Champion and experienced second, presents a complete two-part repertoire for Black.