Hi all.
So I've just been touching up on the late Katarina Walker's [i]"The Pro's Guide to Spanish 21 and Australian Pontoon", specifically about Standard Deviation (SD) and Win Rate (WR). She lists the SD of Pontoon (as that's the SP21 variant played here in Aus) as 1.14 per hand, or 114 per 100 hands. I understand this is high due to the added volatility of using a Spanish deck (no face 10s). But the WR is where I'm a little confused; how much higher is the WR than traditional BJ given ordinary rules? I understand that using BJ calculators to determine RoR for Pontoon will be somewhat skewed, as Pontoon naturally has double-down rescue, instant payout for pontoon and player 21s and bonus payouts and all that. But just for a ballpark figure of risk with a 1000 unit bankroll using 114 SD per 100 hands with "standard" BJ WR, I get nearly a 75% RoR? This seems way too high to be correct. I'd assume that a 15-20% RoR would be approximately correct, as the volatility of the game equates to more deviation on either side of the curve? But what kind of WR would be used to achieve this result?
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