Preflop range trainer

You get a random hand and a position: raise or fold? Grading uses the exact same data as the preflop charts page — this builds chart muscle memory. Free, unlimited, no signup; progress stays in your browser.

Position: 小盲位 SB

(88)

Total
0
Accuracy
Streak
0
Best streak
0
Local Elo
1200

Anki export

Generates an Anki-importable TSV text file (#separator:tab); in Anki use File → Import. Generated locally, nothing is uploaded.

Educational use: post-session study and decision drills, not real-time assistance (RTA); not betting advice.

FAQ

What is grading based on?

The same simplified consensus ranges v1.0 as /charts: UTG 14.3%, HJ 19.8%, CO 26.7%, BTN 43.9%, SB 43.9%. Charts and grading share one data file — no inconsistency possible.

Is my progress uploaded?

No. All stats (attempts/accuracy/streaks) live only in your browser localStorage; the site has no account system.

Is this a real-time assistance tool?

No. It is a post-session study trainer for off-table practice; never use real-time assistance in live games.