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Interactive hand evaluator (BETA)

Enter your hand:
 CCCCHCPFifthsBUM-RAPBissell
Total          
4-4-3-2          
AKQ          
JT9          
876          
5432          

About

Intro

This is an intereactive bridge hand evaluator.

Enter your hand, click "evaluate," and it applies a number of evaluators to the hand.

Why doesn't it always let me evaluate?

To Do

Features

Pure JavaScript and HTML
This means you can download this page and run it offline - no internet connection required to use this page.
Back and forward button
The browser back and forward buttons allow you to navigate back to previously evaluated hands.
Open source
The source code is in the GitHub repository: https://github.com/thomasoa/hand-evaluator-page.

Bugs and Requests

What to do when you find bugs? Please let me know! Two methods:

Evaluators

CCCC
The Kaplan-and-Rubens evaluator.
HCP
The standard high card points sometimes called the Milton Work point count, where Ace=4, King=3, Queen=2, Jack=1.
Fifths
The Fifths evaluator is an evaluator which adjusts standard HCP slightly, removing one fifth from the value of kings and queens and adding two fifths for tens. It might or might not work better for determining whether to bid 3NT or not.
BUM-RAP
Alex Martelli's adjustment to work point count, which seems good for suit contracts. A=4.5, K=3, Q=1.5, J=0.75, T=0.25.
Bissell
Closely related to losing trick count, Bissell's evaluation dates from 1936. (If you subtract Bissell from 39 and divide by three, you get a rough losing trick count.)