Yes, you've got the right answer. Forget material and point comparisons which don't really port between the games. The winning percentage conferred by the han

Yes, you've got the right answer. Forget material and point comparisons which don't really port between the games. The winning percentage conferred by the handicap is what matters. Four stones in Go sounds like a lot less than four pawns in chess, but if that's what the math says by each resulting in the same winning percentage, then the equivalency is true.