The round 5 of FIDE Grand Prix in Khanty-Mansiysk saw a marathon struggle between Karjakin & Tomashevsky. Eventually Karjakin beat Tomashevsky in 99 moves when the former’s b-pawn could not be stopped from queening with still 6 pieces on board!
In other decisive game, Vachier-Lagrave (2754) blundered his way into a loss against Jakovenko (2733).
All other games ended in draws.
After round 5, Caruana is in sole lead with 3.5 with Karjakin, Svidler & Dominguez following closely behind the leader with 3 points.