4 sentences

1. 论棋艺，他比哥哥稍逊一筹。

   lùn qí​yì, tā bǐ gē​ge shāo​xùn​yī​chóu.

   In terms of chess skills, he is slightly inferior to his brother.

   Source: Dong Chinese Dictionary

2. 他的棋艺确实高超，我真的服了。

   tā de qí​yì què​shí gāo​chāo, wǒ zhēn​de fú le.

   His chess skills are truly superb; I'm genuinely impressed.

   Source: Dong Chinese Dictionary

3. 他的棋艺精湛，甚至已经赵过了他的老师。

   tā de qí​yì jīng​zhàn, shèn​zhì yǐ​jīng zhào guò le tā de lǎo​shī.

   His chess skills are superb; he has even surpassed his teacher.

   Source: Dong Chinese Dictionary

4. 老李的棋艺非常精，在社区里很难遇到对手。

   lǎo Lǐ de qí​yì fēi​cháng jīng, zài shè​qū lǐ hěn nán yù​dào duì​shǒu.

   Old Li's chess skills are superb, and it is hard for him to find a worthy opponent in the neighborhood.

   Source: Dong Chinese Dictionary