Its all dependent on the host; their mood, their past experience with youths, game type, available spots, and many other factors. Ultimately you'll still have to contact the host directly to see if they'll let you in.
"Hey I'm the first one to say its a great country but its a straaaaange culture. This is a place where gun store owners are given a list of stolen credit cards but not a list of CRIMINALS and MANIACS. And now they're thinking of banning toy guns...AND THEY'RE GONNA KEEP THE F**KING REAL ONES!"
-George Carlin 1937 - 2008 (RIP buddy)