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"Let's play Hi-Lo for ₿1,000. I brought my own deck we can use. You can take my word that the Aces are not marked and the deck is not stacked." Look for a forthcoming paper on the detailed analysis of pattern racking + pattern breaking.

Let B(R(X)) be the break shot; where X = (X1,X2,....,X10) is a vector of random variables denoting pool balls 1-10 and R(X) is the psuedorandom order of the balls in the rack (psuedorandom because the one and ten ball are fixed). If R(X) is fixed, then R(X) can be said to be "Pattern Racking"...

Rack Difficulty Level (RDL) This new metric, devised by Pool Stats, tries to understand the inherent complexity of any given rack after the break. It takes into consideration the overall average shot difficulty of a rack for both players and the total number of shots by both players for the...

click to enlarge Billy fought the good fight in this match; but, the undefeated Jayson Shaw couldn't be stopped. Check the image above for the Bookmark Breakdown provided by the tablet version of Pool Stats Pro v1.6. Here is a breakdown with a new stat we have derived. More to come about this...

Sure one could justly say that Kaçi may have been lucky getting an easy 2-9 combo and an easy 9-ball for the match clincher in the end. However, of the 5 missed shots by Kaçi, 3 of those were dry breaks and of the 5 shots of Robinson, those were all off the break. Kaçi also made some nice jump...

A decent amount of misses and unforced error. That 9-ball miss by Ouschan was rough. As one may tell from the graphs on the right side of the Match Bookmark, the early middle-game was the rough spots for the players. Shane was much more consistent after the 15-20th shot, climbing steadily...

Here are the two models we had time to run with data we felt comfortable with for two probable match-ups during the 2020 Mosconi Cup. If you've followed our previous posts then you may be aware of these metrics we have created. Nevertheless, an overview of the Metrics to Consider are as follows...

ABSTRACT: In brief, Methodical Aptitude (MA), discourages speedy play and encourages effective methodical measures of play. Similar mathematically to the controversial metric, Shot Aptitude (SA), this one we defined using inverses in the equation of SA. While shot aptitude expresses how...

ABSTRACT: There have been a few outcries on how we handle our data collection. Mainly, there is a notion that our data entry is subjective and will not generalize to a larger degree of players. This paper seeks to address these notions about how we handle subjective input and the policies...

http://poolst.at/sa We are proud to announce the release of a new pool metric (sabermetric): Shot Aptitude. It measures a player’s ability in decisive action and execution in shooting the ball. It takes in the factors of, time to shoot, shot difficulty, miss or made or foul or defense. The...

Current rankings with data we have: http://poolst.at/pm We are announcing the calculation of a new pool metric: Plus / Minus (+/-). A similar metric exists in the game of hockey where a player gets a +1 whenever their team scores while that player is on the ice; and receives a -1 whenever the...

http://poolst.at/csp We are happy to announce first here on AzBilliards, after many hours of mathematical analysis, our formula for a new stat, considered a sabermetric, in the cue sports world: Clutch Shooting Percentage (CSP). This stat measures the effectiveness for a player under adversity...

Pool Stats Pro We've created an app that allows you to record every type of shot and various shot difficulties (1-99% shot probabilities) for the games of 8-ball, 9-ball and 10-ball. We also have a "locate users" feature, that allows you to find Pool Stats users within a 50mi radius of your...