I think it will take a lot more major titles to put Ga Young in the conversation with Allison. Allison's title count is in the stratosphere and includes World Championships, Amway Cup titles, dozens of WPBA titles and even a US Open 14.1 championship (let alone her numerous World Snooker Championships). Because the competition was so much stiffer than anything Jean faced, I rate Allison's career above that of Jean Balukas, and that's coming from somebody who has watched and played both.
Where Ga Young has both Allison and Jean is in the break. I think Jean might have had a little more power than Ga Young, but Ga Young, when she's in dead stroke, dominates with her break more than either Allison or Jean.
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The matter of Jasmin is a bit more complicated. About eight years ago, I'd say that Jasmin was moving into the conversation for the world's best woman player with Kelly Fisher and Ga Young Kim, with all three setting their sights on Allison Fisher and Karen Corr.
I think it's inaccurate to say that Jasmin's geography has held her back, as she has played so much pool on the Eurotour. In my opinion, the reason she developed less than Kelly Fisher and Ga Young, both of whom went on to a lot of WPA titles, was her failure to develop in three areas 1) pattern play, 2) defense and 3) kicking, while Kelly and Ga Young developed impressively in all three areas. Jasmin was always one of the greatest pocketers, always had one of the best breaks, and always had one of the livest strokes, but her game wasn't well rounded enough to mas produce titles at the very highest level in recent years.
Of course, it's entirely a matter of opinion, but that's mine. What's not a matter of opinion is this --- Jasmin is and has always been a credit to the women's pro game and I'm always pleased when she wins anything.