Pair of 6s vs Dealer 4

Basic strategy says split. Here's what the math looks like across common rule sets.

Why Split Is Correct

A pair of 6s sums to hard 12 — weak, and prone to busting on a single hit. Against the weak dealer 4 upcard, splitting into two 6-starting hands lets the dealer do the work of busting their own hand while you build modestly.

How the Play Changes Under Different Rules

The correct play is consistent across every common rule set for this hand.