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Although Chelsea didn't win the match with a big gap of scores, we must appreciate them. They look like playing more effectively now, they can score more accurately. Just look at the stats, actually Brighton has more shoot attempts. Brighton made 14 shoots, 8 shoots on the target. While Chelsea only made 10 shoots, 4 on the target. Surprisingly, Chelsea can score 4 goals but Brighton scored 3 goals only. Nkunku, Mudryk, Jackson, and Gallagher have contributed for the goals. With this result, we can assume that Chelsea possibly perform better in the next season.
Nicolas Jackson in that game was not too disappointing, it seems that Chelsea signings in this summer transfer window looks pretty good. As a young striker he's not too bad playing in the EPL, although it's a friendly match but his physical endurance is quite good. Yes, Chelsea look like playing more effectively now but I think Chelsea still have to improve their defense again. Because their defense is not too tight, as you said statistically Brighton has more shoot attempts.