Javokhir Sindarov defeated D Gukesh in the blitz game of GCT Poland. (Lennart Ootes/GCT) Chess is often seen as a sport of quiet calculation, where emotion is expected to take a back seat to cold logic. But there is always room for a posture and a few gestures carry as much weight as the fist pump. When world champion D. Gukesh defeated his challenger Javokhir Sindarov in a rapid game at the Super Rapid and Blitz tournament in Poland, his celebration was far from subtle. And for those watching closely, it spoke volumes. It was as if Gukesh was reminding who holds the crown. That was Day 2. On Day 4, the Uzbek prodigy – the same one who has taken the chess world by storm with a World Cup triumph followed by a Candidates victory – struck back. Sindarov had his revenge, defeating Gukesh in the blitz portion of the event to even the score right away. It was a day of extremes for Gukesh. From nine rounds of blitz, he walked away with just four points through three wins, two draws, and four losses.…