Chapter 4
A system bet splits one set of selections into several smaller accumulators. Counting how many bets that makes, and what each costs, is a combinations problem.
Problems 18–23 · 2 warm-up · 2 steady · 2 stretch
How many different doubles can be made from three selections A, B and C?
Answer 3 doubles.
A “system 2/4” makes every double from four selections. At ₦200 per double, how many bets is that and what is the total stake?
Answer 6 bets, ₦1,200 in total.
Four selections are covered with every double, every treble and the fourfold. How many bets is that? How many if the four singles are added?
Answer 11 bets, or 15 with singles. Many slips call these a Yankee and a Lucky 15; check the slip's own description.
Three selections at 1.50 × 2.00 × 2.50 are played as a system 2/3: three doubles at ₦500 each, ₦1,500 in total. What comes back if all three win, and if the 2.50 selection loses?
Answer ₦5,875 if all win; ₦1,500 if the 2.50 selection loses, exactly the ₦1,500 staked.
Three selections are covered with every double and the treble. How many bets? And with the three singles added?
Answer 4 bets, or 7 with singles. Many slips call these a Trixie and a Patent.
A system 3/5 makes every treble from five selections at ₦100 each. How many bets, what total stake, and how many selections must win for any return?
Answer 10 bets, ₦1,000; at least 3 winners for any return.