Unfortunately, the input lag is higher than average, so playing fast games will feel slightly less responsive. But due to the very good motion blur, it is still quite a good TV for playing video games - just not the best one
The LG EG9600 OLED is also a very good TV for watching sports. There is absolutely no trail following fast moving objects. Also, the field looks very uniform, without the darker spots and edges found on all LED TVs.