Earlier quoted context omitted.
I don't mean the reason is one aspect of his work is 'better' than the other, just that the difficulty translating his short stories makes them much less accessible to English readers than the plays. I think the reverse is the case for Russian - Жалобная книга (The Complaints Book) is part of Russian idiom, the famous play Чайка (The Seagull) is not. Chekhov just occupies a different part of the English-speaking cult…
Strugatski brothers' Monday Begins on Saturday is aslo a difficult translation from Russian. I really love Russian literature, especially modern writers like Vladimir Sorokin, it's so different.
On the other hand, I remember watching Russian translation of the Naked Gun and finding it extremely funny even though neither I nor the translator understood any references there so, I guess, it's still possible to enjoy art without the context.