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Hello all, I'm interested in the history of 9 ball rules, but I don't know where I can find official documents. I know WPA has official rules, the older one effective 2016 and the new one effective 2025. But I'm not able to find any other official documents for the time before 2016. Does anyone...

If you open your Fargo app and click on the "FIND RACE" button, you can calculate the odds of winning given two players Fargo, but the app doesn't tell you how this is calculated. Here is what I found: as long as the scores difference is 332 (say 732 vs. 400), the higher-rated player has a...

Guangzhou Billiard Expo just ended, and Xingpai星牌 Star released a new pool table with rails covered in carbon fiber. They calimed that makes the rails heat and impact resistant, and last very very long. This makes me wonder, why can't we have carbon fiber cloth for the playing surface? If this...

Hi all, I've been experimenting with Dr.Dave's peace sign and half ball hit, then I came up with these (useful?) easy-to-remember cue ball locations for scratches in all six pockets. Here is the video. It's quite interesting that on most shots the cue ball can start at exact intersection of two...

Hey all, I recently spent a lot of time filming slowmotion footage. Here it is I hope you like it. Leave a question if you have any or if you want to see anything else.

Does anyone know of a trustworthy table installation service in the greater vancouver area? I appreciate the information a lot!

Has anyone played with a 10.5 mm Cuetec cynergy? How do you like it? Is it very different from 12.5?

So I'm still thinking about the miscue limit mentioned by Dr.Dave, and I'm wondering if anyone knows the COF (static and sliding) between the cue ball and a leather tip (chalked and no-chalk)? If not, I'll do an experiement myself and report up here.

Hi all, 6months ago I posted a question about tracking the billiard ball using software, like the one they do on kozoom Before I tried to achieve this by using optical flow method in OpenCV, but this is not robust and I need a bright reflection on the surface of the ball, which is not there...

From what I know a kielwood shaft is a shaft that has undergone a process called torrefaction, where the wood is heated to high temperature to remove sugar and water in the wood. I don't know much about the science behind it, but I'm curious as to whether this treatment actually reduces...

Hi, I'm interested in going to watch Wisconsin Open in person, but I can't find any info about buying the tickets or whatever. Any one knows if I can just walk in Ho-Chunk to watch the game?

Hey everyone please check out my new video on 30 degree rules! I used ball tracking code to accurately record the deflected angles for rolling cue ball shots

I posted a question before about how I can track cue ball (or any ball) using some codes https://forums.azbilliards.com/threads/how-to-track-cue-ball-movement.552461/#post-7506743. Now I found a method in OpenCV that works pretty well for slow-mo videoes. Here are some demo clips I made...

Does anyone know how to track the cue ball given a video file? I want something that looks like this: Appreciate in advance!

I know this might had been asked before but I couldn't find it. Why do we use running English for most multiple rails kick shots? I know that if you don't then you can't use the system, but is there a physical explanation? e.g., 2 rail kick using the plus system, 3 rail kick using the...

As above, I'm wondering if it is legal in tournament to use a shaft that has been marked with black points or whatever to help train my speed control. Say I mark evenly spaced points so that if I smoothly accelerate the cue, I get desired cue ball speed at contact. Appreciate the feedback!