Learn · With LLaMa
One stake. Six horses. How Accumulators Work
Doubles. Trebles. Four-folds. And every combination in between. Ten chapters. Scroll through them and by the last one you’ll know exactly what a Lucky 63 is — and why it costs £63.
Chapter 01 · The atom
Start with one horse
Every accumulator you’ve ever heard of is built from this. A single bet. One horse, one stake, one price.
One horse, one stake. If Iron Bridge wins, the bookie hands back six pounds — the £1 stake plus £5 profit at 5/1.
Chapter 02 · Why they multiply
Odds multiply. They don’t add.
The first thing that trips people up. An accumulator isn’t two bets side-by-side — it’s one bet where the winnings from horse one become the stake on horse two.
The winnings from Iron Bridge roll onto Silver Bell. That’s the whole trick.
Chapter 03 · The full accumulator
Six horses. One ticket.
Chain all six on the same slip. All six must win — miss one and the ticket is dead. That’s the six-fold. It’s the biggest payout on the coupon and the most likely to lose.
- 1 Iron Bridge 5/16.00
- 2 Silver Bell 3/14.00
- 3 County Star 5/23.50
- 4 Bay Pilot 4/15.00
- 5 Chorus Line 3/22.50
- 6 Ridge Rider 6/17.00
Chapter 04 · Slice the coupon
Six selections can create a whole family of bets
From six horses you can build 15 doubles, 20 trebles, 15 four-folds, 6 five-folds and 1 six-fold. That’s 57 different bets. Watch each one light up.
Chapter 05 · The named bets
Trixie, Yankee, Heinz — and Lucky 63
Bookmakers bundle these combinations into named bets. A Heinz is every double, treble, four-fold, five-fold and six-fold from six horses in one bet — 57 lines. Add the six singles too and you’ve got a Lucky 63.
Bookmakers bundle these combinations into named bets so you can back them all in one go. Each named bet includes the ones above it — a Yankee is a Trixie plus four-folds, a Heinz is a Super Yankee plus five- and six-folds. Same combinations, bigger bundle.
- Trixie 4 bets 3 doubles · 1 treble
- Yankee 11 bets 6 doubles · 4 trebles · 1 four-fold
- Lucky 15 15 bets Yankee + 4 singles — one winner pays out
- Super Yankee 26 bets 10 doubles · 10 trebles · 5 four-folds · 1 five-fold
- Lucky 31 31 bets Super Yankee + 5 singles
- Heinz 57 bets 15 doubles · 20 trebles · 15 four-folds · 6 five-folds · 1 six-fold
- Lucky 63 63 bets Heinz + 6 singles — every combination covered
To back every combination of six horses at £1 per line: 63 bets × £1 = £63
Chapter 06 · £1 the £1
The same £1 buys two very different bets
On the left: a £1 six-fold. One line, one stake, one giant payout — but only if every horse wins. On the right: a Lucky 63 at £1 per line. 63 lines, £63 outlay, and the ticket pays out even if only one horse wins.
Six-fold accumulator
Outlay £1- 1stIron Bridge5/1
- 2ndSilver Bell3/1
- 3rdCounty Star5/2
- 4thBay Pilot4/1
- 5thChorus Line3/2
- 6thRidge Rider6/1
Lucky 63
Outlay £63- 1stIron Bridge5/1
- 2ndSilver Bell3/1
- 3rdCounty Star5/2
- 4thBay Pilot4/1
- 5thChorus Line3/2
- 6thRidge Rider6/1
Chapter 07 · Settlement
Watch the same Saturday, both bets
Six races, one at a time. As each result lands, both coupons update in place — winning legs turn sage, losing legs strike through, the running tally counts. Scroll through and you’ve watched two bets settle from the same six results.
- 1 13:35 York Iron Bridge 5/1 —
- 2 14:05 York Silver Bell 3/1 —
- 3 14:20 Ascot County Star 5/2 —
- 4 14:55 Ascot Bay Pilot 4/1 —
- 5 15:15 Chester Chorus Line 3/2 —
- 6 15:50 Chester Ridge Rider 6/1 —
Chapter 08 · What they don’t tell you
Four rules beginners always miss
None of these are hidden — every bookmaker publishes them. But they catch out anyone who’s only ever read the maths.
Non-runner → the leg dies
If a horse doesn’t take part, that leg is voided and the accumulator drops down a size. Your six-fold becomes a five-fold at the shorter total odds — still live, just smaller. Some bookmakers apply Rule 4 as well.
Rule 4 → late-withdrawal deductions
When a horse is pulled out after the market forms, the odds on the remaining runners are cut by a set amount — from 5p in the pound to as much as 90p, depending on the withdrawn horse’s price. Applied to your winning legs at settlement.
Each-way splits the stake
An each-way six-fold is really two bets — a win six-fold and a place six-fold — at the stated fraction (usually 1/4 the odds). A £1 e/w six-fold costs £2. Every leg still needs to place, and only the fully-winning half pays out at the full odds.
Bonus rules — usually only on Lucky bets
Lucky 15/31/63 typically pay double or triple odds on any leg that wins alone, or bump the odds if every horse wins. The exact multipliers vary by bookmaker — check the T&Cs for the specific bet before you stake.
Chapter 09 · The shape of the risk
A thousand Saturdays
One thousand simulated Saturdays. Each of the six horses wins independently three times in five — more generous than most punters really pick. The dashed line is break-even. Bars to the left are Saturdays you lost the stake; bars to the right, Saturdays you finished ahead. Watch how the same £63 concentrates the outcomes into two very different shapes.
One giant win, mostly zero
- Weeks ahead—
- Mean P&L—
- Best week—
The same money, spread across the distribution
- Weeks ahead—
- Mean P&L—
- Best week—
Same six horses. Same £63. Two very different Saturday nights.
— LLaMa Accumulators magnify variance. Understand the maths before you stake. Never bet more than you’re comfortable losing.
You now know
Seven things about accumulators
- Why accumulator odds multiply instead of add
- Why one loser kills a straight accumulator
- How six selections produce 57 multiple bets
- Why a Lucky 63 contains 63 lines (add six singles to the 57)
- Why a £1 Lucky 63 actually costs £63 at the till
- How non-runners and Rule 4 affect settlement
- Why bigger potential returns mean greater variance