Diamond System for Kicks and Banks 2026: How to Plumb the Rails, Find Position, and Win Safeties

Most amateur players treat kicks and banks like a coin flip. They aim somewhere in the neighborhood, hit the rail with whatever speed feels right, and hope the cue ball comes back to a useful pocket. There is a faster path. The diamond system is a rail mapped geometry that has been quietly running professional kicking since the 1970s, and it works on any standard pool table because the diamonds are placed at predictable fractions of the playing surface. Learn the basic three diamond corner five system once, and your safety game changes in a single league night.

This piece walks through the two diamond systems you actually need, the one for one rail kicks, and the corner five system for two rail banks. It also covers when the system lies to you, which it does in three predictable situations. Every drill suggestion below assumes a 9 foot tournament table, but the geometry scales to 7 footers if you adjust your speed.

What the Diamonds Actually Mark

The diamonds, sometimes called sights, are inlaid on every rail at one eighth fractions of the playing surface. Three diamonds on each side rail, six along each long rail, with corner pocket centers at the zero count on the corner diamond. The sights are not decorative. They are a coordinate system. Once you treat them as coordinate numbers, the entire table becomes a math problem you can solve with arithmetic that most players already know from grade school. The reason the system feels intimidating at first is that nobody tells you the numbers exist. Once you label them, the rest follows.

Most teachers number diamonds starting at the corner pocket and counting toward the side pocket. Some systems flip that. Pick a convention and stick with it. The convention used here is corner pocket equals 0, side pocket equals 4 on the long rail, and the opposite corner equals 8.

The Corner Five System for Two Rail Banks

This is the workhorse. Roughly 80 percent of the kicking decisions in a typical league set can be solved with corner five. The premise is that the cue ball position, the first rail target, and the second rail destination all relate by a fixed subtraction. Pick the cue ball position number, subtract the destination corner number, and the answer is the diamond you aim at on the first rail. The classic walk through uses the number five as cue position three diamonds out from the corner pocket equals five, which is why this system is called corner five.

Cue position 5, minus destination corner 0, equals 5. Aim at diamond 5 on the first rail. The cue ball travels two rails and pockets in the corner. The numbers feel arbitrary the first time you read them, but they describe an angle of incidence and reflection that the rails honor consistently. Practice this drill ten minutes per session for two weeks and you will start seeing the geometry without thinking about the arithmetic. The mid range player cue that holds your stroke steady through this drill matters. A cue with a clean, predictable hit, like the McDermott G201 Cue or the Cuetec AVID CT326NW, takes one variable out of the lesson while you focus on the geometry.

One Rail Kicking with the Plus System

For a single rail kick where you need to contact an object ball without scratching, the plus system is faster than corner five. The simple version goes like this. Pick a cue position number on the long rail, pick the diamond on the short rail where you want the ball to exit, add the two numbers, and aim at the resulting diamond on the long rail you are hitting first.

Cue at long rail position 3, target exit at short rail position 2, aim at long rail position 5. The cue ball travels one rail and comes off at the predicted exit. Combined with the corner five system, the plus system covers nearly every defensive kick that does not involve a heavy English component. The reason these systems both work is that the rails behave like mirrors when you hit them at center ball or near center ball with medium speed. Add a lot of stroke speed and the angles change. Add a lot of sidespin and they change even more.

Where the System Lies to You

Three predictable problems will trip you up the first month you use the diamond system. First, fast cue balls flatten the angle. The rails respond differently at break speed than they do at lag speed. The diamond geometry assumes a mid range speed, what most coaches call a rolling cue ball. If you are kicking with a lot of pace, expect the exit angle to be flatter and aim one half diamond shorter than the math says. Second, dirty cue balls swerve. If the cue ball has chalk transfer on the contact point, sidespin behaves unpredictably and the system can give you an exit angle that is half a diamond off. Wipe the cue ball before money rounds. Third, new cloth grips. Simonis 860 worn in for six months reacts predictably. Simonis 860 fresh off the staple gun is faster off the rails and your kicks will go long. Adjust by half a diamond in the long direction for the first month after a recovery.

Shafts and Stroke for the Kicking Game

The shaft you kick with matters more than you might think. A high deflection wooden shaft hit with even a small amount of unintentional sidespin will fight the diamond geometry, and you will spend more drill time blaming yourself for missing the math when the shaft was actually adding squirt you did not account for. A low deflection shaft removes that variable. The Predator 314 3rd Gen Shaft is the maple low deflection shaft that became the modern teaching standard for a reason. If you are kicking poorly and want to know whether it is you or your equipment, switch to a known low deflection shaft for a session and watch the numbers start matching the table.

For higher tier players who want to take the variable out completely, a carbon fiber shaft pinned to a high quality Japanese build like the Mezz ZZEC9B Pool Cue gets the front end mass out of the equation. If you are at the starter level and still learning the system on a budget, the Action ACT157 Fractal Cue has a clean enough hit to learn the math without breaking the bank. The point is, the system needs a consistent cue, and any cue you actually trust will speed up the learning curve faster than chasing the newest gear.

A Two Week Drill Plan

Week one, set up the classic corner five drill ten times per session. Cue ball at the three diamond position on the long rail, your goal is two rail safety into the opposite corner pocket. Count successful pockets out of ten. Most players start at one or two and reach six or seven by the end of the week. Week two, set up the plus system drill. Cue ball anywhere on the long rail, object ball frozen to the opposite long rail, your goal is to contact the object ball without scratching. Count successful contacts out of ten. Both drills together take 20 minutes per session. The shift in your league win rate after two weeks is significant for a 20 minute investment.

The Bigger Picture

Pool is a math game pretending to be a stroke game. Players who plateau at the C division ceiling almost always have decent strokes and almost never have the table geometry mapped in their head. The diamond system is the cheapest possible upgrade you can make to your game because it costs nothing. Browse the full Pool Cues category if you decide your current stick is fighting the lesson, and the Shafts category if you want to put a low deflection shaft on a butt you already own. For the McDermott loyalists, the McDermott Pool Cues sub category has playable cues at every price point from the G core series through the high tier inlay work.

Once the diamonds become numbers, the table becomes solvable. Spend the 20 minutes, count the makes, and the next time someone tries to hide behind a blocker in your league match you will already know the answer.

About Corey Bernstein

Corey Bernstein is a competitive pool player, billiards equipment specialist, and co-owner of Quarter King Billiards in Wilmington, North Carolina. With over a decade of experience in the sport, Corey has competed in regional APA and BCA sanctioned tournaments and maintains an intimate knowledge of cue construction, shaft technology, and table mechanics. As a certified dealer for brands including Predator, McDermott, Jacoby, Viking, Lucasi, Meucci, Joss, and Cuetec, Corey personally tests and evaluates every cue that comes through the shop. His hands-on approach to the business means he has racked thousands of hours behind the table — breaking in shafts, comparing tip compounds, and dialing in the nuances that separate a good cue from a great one. When he is not behind the counter or on the table, Corey is researching the latest advances in low-deflection technology, carbon fiber shaft construction, and cue ball physics. His articles on Quarter King Billiards combine real-world playing experience with deep product knowledge to help players at every level find the right equipment for their game.