Blog
System Bets Explained: Two of Three, Three of Four, and What They Cost
On this page 7
Somewhere on the coupon, next to "single" and "multiple", there is an option called system, or combination, or something like "2/3" and "3/4". It is the only tool on a betting slip that lets a selection lose without the whole bet dying.
It is also the easiest place on a coupon to stake ten times what you intended, and the reason is a single number most people do not read.
The shilling figures below are illustrations.
What a system actually is
A normal accumulator is one slip that needs everything. Pick four matches, get three right, collect nothing.
A system takes the same selections and places every combination of a chosen size as its own separate bet. A "3 of 4" system on four selections places every possible three-selection accumulator that can be drawn from them. There are four such combinations, so that is four separate bets, each needing three specific results.
Get all four selections right and every line wins. Get three right and one line — the one that did not include your losing selection — still wins. That is the entire purpose: tolerance for one wrong leg.
Counting the lines
The number of lines is fixed by the arithmetic, not by the operator, and it grows quickly:
- 2 of 3 — 3 lines
- 2 of 4 — 6 lines
- 3 of 4 — 4 lines
- 2 of 5 — 10 lines
- 3 of 5 — 10 lines
- 4 of 5 — 5 lines
- 3 of 6 — 20 lines
- 4 of 7 — 35 lines
Notice that the middle sizes produce the most lines. A "3 of 6" is twenty separate bets from six selections.
The number that matters is the unit stake
Here is the whole trap.
The stake you enter on a system coupon is usually the unit stake — the amount going on each line. The total stake is the unit stake multiplied by the number of lines.
So on a "3 of 6" with twenty lines, a unit stake of KSh 100 is a total stake of KSh 2,000. Not KSh 100. Somebody who meant to risk a hundred shillings has risked two thousand, and they find out at the confirmation screen if they read it, or at the balance if they do not.
Some coupons work the other way round, taking a total stake and dividing it into the lines — in which case KSh 100 total on twenty lines means KSh 5 per line, and the returns are correspondingly small. Both designs exist. Find out which one the coupon in front of you uses before you confirm anything, because the difference between the two is a factor of twenty on the same screen.
How the return is assembled
The return is not calculated from the system as a whole. Each winning line is settled as its own small accumulator, at the unit stake, and the payout is the sum of them.
An illustration. Four selections, each priced at 2.00, played as a "3 of 4" — four lines, unit stake KSh 100, total stake KSh 400.
If all four selections win, all four lines win. Each line is three selections at 2.00, which is odds of 8.00, returning KSh 800. Four winning lines return KSh 3,200 from a KSh 400 outlay.
If three win and one loses, exactly one line avoided the loser. That line returns KSh 800 against the KSh 400 staked — a profit of KSh 400, where a straight four-fold accumulator would have returned nothing.
If two win, no three-selection line is intact, and the return is zero.
That middle case is what you are buying.
What it does not buy
A system does not improve expected return. The margin in the prices is in every line, and playing more lines means paying it more times. What changes is the shape of the outcome: more frequent small returns, a lower ceiling, and a break-even point that moves up as the lines multiply.
That last part is worth dwelling on. On the "3 of 4" above, one winning line was enough to show a profit. On a "3 of 6" with twenty lines and the same unit stake, the total outlay is five times larger while each winning line still pays the same amount — so several lines have to come in before the bet is even level. The more lines you buy, the more of them you need. A system with a great many lines can land four winning lines and still lose money, which is a genuinely disorienting result if you have not worked it out in advance.
Choose the system for the tolerance you actually want — usually one wrong leg — not for the largest grid available.
Void legs collapse the lines
If a selection is voided — postponed, abandoned, market withdrawn — the usual treatment is that the voided selection is removed and the lines containing it are settled at the remaining odds, or reduced in size, on the terms set out in the operator's own betting rules.
The practical effect is that a system quietly becomes a different, smaller system, and some lines you paid for stop existing as placed. It is not a problem so much as something to expect, and the exact treatment is in the operator's betting rules. Where a fixture in your selection looks doubtful, read that clause first; on a twenty-line system it changes the arithmetic considerably.
The check before confirming
Three numbers, every time, before the slip goes on:
- The number of lines. The coupon displays it. Twenty is not unusual and it is not small.
- The unit stake — what is actually going on each line.
- The total stake — and confirm it is the figure you meant to risk, not the figure you meant to put on each line.
If those three agree with what you intended, a system is a sensible tool with an honest purpose. If you have not looked at them, the single most common outcome of a system bet is a total stake nobody chose.