Hey...when you play darts, miki78 san, you've gotta do what is right--MeAndroo has given us the correct hint there in his avatar--you've gotta have that beer. Now, that may be the reason the darts don't go right...you weren't drinking beer, or hadn't drunk enough yet to make the darts go straight.
The above voices are correct in saying the '301' is a common game. '501' is also out there, and in both, a player has to hit a double first, to start the subtraction (a double is the outer most circular ring) and then end up on zero with a double. So, if , by random hits--though of course trying to hit intended numbers--a player works the number three hundred one, down to three...the player will have to hit a single 1, then a double 1 to finish his or her game. If another player finishes to zero before that player is lucky enough or skillful enough to hit that double 1, then the other player wins.
The game I love to play, however, is chase--at least that's what I've always heard it called and called it. Three hits in the decided ranges (usually bull's eye, triple, double, then 20 down to 15) closes that range out, and the winner is the first person to close all the ranges out having also over scored any outstanding points. (those points are collected by hitting a range that the opponent has not closed yet, but you have.)
I do NOT like the electronic dart boards, they cause even more randomness it seems, because the bounce back is more than on a standard pig hair board (don'T tell SVF). I LOVE to play darts....but don'T forget the beer !!! MM