As a former chess player myself I think they did a great job of picturing the games and also showing how chess tournamenst go. I could really feel the atmosphere of the games. The quality of the series is good, acting, the story - all good. Also as a person who speaks Russian I was really pleased that they actually did an amazing job with sceens in Russian language. It was nice to hear real Russian speech rather than fake horrible accents we usually see in American movies. Although as in all american movies of such nature the ending was really predictable.