The long run optimum EV play here non opponent specific with these stack sizes is to obv shove everytime. Maximise fold equity and our allin on the flop EV isn't too bad if we get called. That's pretty much the end of it as we don't really know anything about this specific opponent.
I think i like folding better than calling as Cos says it's so exploitable by a thinking opponent. Unless we can be certain oppo switches off all bluffs/non flushes on turns and maybe gives us a free card with weak flushes and is also going to pay us off some of the time when it pairs up calling is just pretty much horrid given stacks.
I agree that non opponent specific this should be a shove. A decent player who would exploit a flat is likely to be good enough to lay down a non nut flush so our semi bluff with FE has to be the optimal play.
A "young gambly chinese player" isn't exactly non specific though is he? Can he fold any flush? I doubt it. Can he bluff? Yes of course he can.
If we flat he may decide that he doesn't want a big pot and check giving us a free card if we want it. He might like a gamble but he's probably not so stupid that he bets the pot again with nothing after we've flatted the flop. Therefore if he bets again we can safely assume that he's got the flush.
Against an experienced oppo then we're going to get exploited but against this one I still like to flat.
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