Vietnamese Billiards: One Word, Three Rule Systems, and a Data Blind Spot

On a Saturday evening at a billiards club on Nguyen Thien Thuat Street in Nha Trang, I listened to three patrons argue about the world billiards final that had just ended. The first described a cueist who fell far behind and then clawed back dozens of points in the closing session. The second insisted the man was a pool player, and that the achievement should be described as a run of consecutive racks. The third talked about snooker, where everything is counted in frames and in points accumulated within each frame. All three were right within their own frame of reference, and all three were talking about disciplines that have nothing to do with one another: different tables, different balls, different rules, different governing bodies, different ways of deciding who wins. Before analysing any style of play, tell me which discipline is written at the top of the scoreboard. A record book that lumps carom, pool and snooker together measures no cueist's ability; it measures only how carelessly the labels were applied. Three disciplines, three rule systems Carom is played on a table with no pockets, the cue ball must contact a set number of cushions before it touches the object ball, and the match ends when one player reaches a fixed points target. At many international events that target is 40 points, with a shot clock attached. Pool is played on a table with pockets: 8-ball, 9-ball, 10-ball, and the Chinese 8-ball variant with tighter pockets and larger balls. Snooker uses the largest table and the smallest balls, and its colour-by-colour scoring order creates a tactical structure of its own: the opening shot, the safety exchange, the clearance phase. These three families have three governing bodies, three tournament calendars and three prize structures. A fine shot in one family can be a wrong decision in another. Snooker safety technique does not translate into carom; cue-ball control in carom does not equal break power in pool. That is why every cross-discipline comparison, from world titles to win rates, begins with an error that cannot be corrected. In Vietnam, carom, pool and snooker live in three separate club networks, serve three separate customer bases, and share almost no ranking system. The carom scene has familiar names such as Tran Quyet Chien, Nguyen Quoc Nguyen and Bao Phuong Vinh; Duong Quoc Hoang belongs to the pool side. That is the reality of the market, and it is not the fault of the fans. Why a merged data table is a broken data table Based on my experience following matches, the same cueist can appear in two disciplines, but the data from those two appearances cannot be placed side by side. A player moving from carom to pool carries over the feel for the balls and a sense of lines, but the entire frame of reference changes: from points to racks, from a pocketless table to a pocketed one, from a slow rhythm to a faster one. A data system is only trustworthy when I can find its flaw. With billiards, the flaw sits in the very first line: the name of the discipline. Without that line, everything else, including matches played, win rate and point differential, is just floating numbers. I have made this mistake on air. During one live broadcast, I called a match a world final without specifying the discipline, and had to correct myself because that match's scoreboard operated on a completely different mechanism from what I had just described. Since then I keep a minimum checklist before every match: discipline, format, winning threshold, governing body, match date. Five lines. Without those five lines, I do not analyse. Blind spots and the test Part of the appeal of pool and the Chinese 8-ball variant comes from prize money and a dense year-round calendar. That money pulls cueists across age groups and countries into a new schedule and creates a semi-professional class living off many small events rather than a few big ones. Carom has a slower structure, fewer events but more stability. Snooker is another story: its tour concentrates in one home market, and entry is far harder. Three money flows run into three systems, yet in the press they are usually told through the same word. Readers therefore receive a picture larger than reality: everything appears to be growing, while only one branch is swelling and the other two are flat or shrinking. A diagram printed on paper is only the residue of every decision that already happened on the table. In billiards, that diagram is the record book. The most common trap is believing that more statistics will make the story clear. Adding statistics without separating disciplines only enlarges the error, because three different units of measurement are being added into one column. The second blind spot lies in how women's events are told. Women's carom and pool events have their own competition structure, professional cueists and their own data, yet they usually appear as a visual highlight in a sponsor's promotional campaign rather than as a tournament with a ranking worth analysing. When an event is used as a communication prop, its data receives the same treatment: present enough to count, absent when it comes to comparison. I also have to warn myself here. I trust my eyes more than a spreadsheet. But if a metric is right, I am obliged to ask where it would prove me wrong; only when I can answer that do I dare drop an old judgement. In the quiet stretch of the season, data makes little noise, yet it speaks most clearly, and its silence deserves interrogation too. Next season, every billiards fact should carry four labels: discipline, format, governing body, match date. That is the minimum for a number to be verifiable rather than merely readable. The test sits in the next news line you read: do you know which table you are reading about?