Clarifying Chelsea's match
The user sent a message about Chelsea's recent performance, mentioning that they lost 1-2 after leading at halftime, with the last similar instance being in 2013. It feels like they want details about that 2013 match, but they didn't ask directly. Should I confirm and clarify? The match I’m thinking about is Chelsea vs. Basel in the 2013-14 Champions League group stage. In this match, Chelsea led 1-0 at halftime before losing. So, I’ll confirm this context for the user!Confirming Chelsea's match details

The user’s message about a "1-2" loss aligns with Chelsea leading at halftime and then losing. That specific match was against Basel on September 18, 2013, during the group stage, where Chelsea led 1-0 through Oscar but ended up losing 2-1 due to goals from Salah and Streller. I’ll keep my answer concise and factual, and since they asked for details from 2013, I won't overload with extra match info unless necessary. I’m ready to provide the specifics in Chinese!Providing Chelsea match details
Here’s the information you requested:

- Opponent: Basel
- Competition: UEFA Champions League Group Stage
- Date: September 18, 2013, at Stamford Bridge
- Halftime: Oscar scored at 45', leading 1-0
- Second half: Goals by Salah at 71' and Streller at 81' resulted in a 1-2 loss
This was the most recent time Chelsea led at halftime in the Champions League and then lost. I’ll keep it concise and straightforward!
对,就是2013年。具体是:
- 对手:巴塞尔(Basel)
- 赛事:欧冠小组赛
- 时间/场地:2013-09-18,斯坦福桥
- 半场:切尔西1-0领先(奥斯卡45')
- 终场:切尔西1-2告负(萨拉赫71',斯特雷勒81')


