bwin arbitrage

I don’t know how it names english right, russian it called вилка (vilka). If somewhere know, how it called in english, I’ll be happy. In dictionary russian to english translate as arbitrage, but not sure it’s right. It’s when you bet ex. Bagdatis 1.3 in bwin.com and bet to his opponent Wang 5.0 in other books (example marathonbet.com). In all way you win.
Now what I knew on bwin a weak ago. It was usopen. Many matches was in live and there has this bet:

Which game will be play in 1st set:
0-8 4.0
9-10 2.0
11 and more 1.75

In many matches in first sets popular 0-8, or 9-10. Because it’s start match, play often going not good, teensiest loose serve, especially women . I bet 0-8 and 9-10. And in all way I won. And when I ended this test all will be good. Only 2 bet will loose, other win. Yes, I bet when I was sure that first set will be not more 9-10. For bettors who good knew tennis play and life can also bet this in 2st, or 3st set. But best in 1st. Hope it will help somewhere.

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