Starting Hand Chart by Position

A reasonable opening range tightens the earlier you act and loosens near the button. This chart uses the Chen Formula — a quick hand-strength heuristic — to set an opening threshold per seat, then lists the loosest hands that clear it.

Opening ranges by position
Position	Chen threshold	% of hands opened	Loosest hands in range
Under the Gun	9+	6.6%	Pocket 99, KJ suited, QJ suited, JT suited, AQ offsuit, Pocket TT
UTG+1	8+	10.7%	Pocket 88, AT suited, KT suited, QT suited, J9 suited, T9 suited
UTG+2	8+	10.7%	Pocket 88, AT suited, KT suited, QT suited, J9 suited, T9 suited
Lojack	7+	17.8%	Pocket 77, A9 suited, A8 suited, A7 suited, A6 suited, A5 suited
Hijack	7+	17.8%	Pocket 77, A9 suited, A8 suited, A7 suited, A6 suited, A5 suited
Cutoff	6+	25.5%	Pocket 66, K9 suited, J8 suited, 86 suited, 75 suited, 65 suited
Button	5+	43.3%	Pocket 55, Pocket 44, Pocket 33, Pocket 22, K8 suited, K7 suited
Small Blind	6+	25.5%	Pocket 66, K9 suited, J8 suited, 86 suited, 75 suited, 65 suited
Big Blind	4+	51.7%	Q7 suited, Q6 suited, Q5 suited, Q4 suited, Q3 suited, Q2 suited

“% of hands opened” is the share of all 1,326 two-card starting combinations that clear this seat’s threshold — not a claim about how often you’ll actually be dealt one.