Why You Need a System
Most casual bowlers guess where to stand for spare shots. They walk up, eyeball the pin, and throw. Sometimes it works. Often it doesn't.
League bowlers who convert 70%+ of their spares don't guess — they use a system. The 3-6-9 method is the most popular spare shooting system because it's simple, logical, and works for both straight and hook bowlers.
How the 3-6-9 System Works
The system is based on one principle: your strike line is your reference point. Every spare adjustment is measured in boards moved from your strike starting position.
The lane is 39 boards wide. Each pin is roughly 3 boards apart. So to reach a pin that's one position further from your strike pocket, you move your feet 3 boards.
- Pins on the same side as your pocket (2, 4, 7 for right-handers): Move your feet 3, 6, or 9 boards in the same direction as the pin, keeping your target arrow the same.
- Pins on the opposite side (3, 6, 10 for right-handers): Cross-lane shots. Move to the opposite side of the approach and throw straight through your target.
The key insight: your arrow target stays the same. You only move your feet. This means your throw feels identical every time — only your angle changes.
The Adjustments (Right-Handers)
Starting from your normal strike position, here's where to move for common single-pin leaves:
4 pin: Move 6 boards right. Same arrow target.
7 pin: Move 9 boards right. Same arrow target.
3 pin: Move 3 boards left, or use a cross-lane angle from slightly left of centre.
6 pin: Move 6 boards left (or cross-lane from the left side).
10 pin: Move to the far left side of the approach. Throw straight across the lane. Most bowlers use a completely different starting position for the 10 pin.
Left-handers: Mirror everything. The 7 pin is your cross-lane shot, and the 10 pin is your 9-board adjustment.
Multi-Pin Spares
For multi-pin spare leaves, the system still works. Focus on the pin closest to you (the "key pin") and use the same adjustment:
- 3-6 leave: Use your 3-pin adjustment. If you hit the 3, the ball will carry through to the 6.
- 2-5 leave: Use your 2-pin adjustment. Hit the 2 and the ball drives into the 5.
- 4-7 leave: Use your 4-pin adjustment. The ball takes out the 4 and deflects into the 7.
- 2-4-5 leave: Key pin is the 2. Same 3-board adjustment. Hit the 2 and the chain reaction takes care of the rest.
- 3-6-10 leave: Key pin is the 3. The ball needs to drive through all three. A cross-lane angle from the left side works best.
The principle: aim for the key pin and let pin action do the rest. Don't try to split the difference between two pins — commit to hitting one pin properly.
Straight vs Hook for Spares
Many advanced bowlers throw their strike ball with a hook but shoot spares straight. Why?
- A straight ball is more predictable — it's not affected by oil pattern, lane surface, or ball surface changes
- The 3-6-9 system works most cleanly with a straight spare ball
- Cross-lane shots (especially the 10 pin) are much easier with a straight trajectory
If you're still throwing straight, the 3-6-9 system works perfectly as-is. If you hook, consider learning to flatten your hand for spare shots, or use a plastic spare ball that won't hook.
Fine-Tuning Your System
The 3-6-9 method is a starting point, not a rigid formula. Every bowler is slightly different, so you'll need to calibrate:
- Track your misses: If you consistently miss the 4 pin to the right, your 6-board adjustment might need to be 7 boards for your specific game. Note these adjustments.
- Account for your ball: A ball that hooks will need slightly different adjustments than a straight ball.
- Lane conditions matter: On drier lanes, your ball hooks more, so cross-lane spares may need slight adjustment. On oilier lanes, less hook means tighter angles.
The beauty of a system is that fine-tuning is easy. You have a baseline, and you adjust from there — rather than reinventing your approach for every spare.
Practice Routine: Spare Shooting
Next time you practice, dedicate at least one full game to spare shooting only:
- Throw your first ball at the pocket as normal
- Regardless of what you leave, mentally note which spare adjustment you're using (3, 6, or 9 boards)
- Before stepping up for the spare, say to yourself: "I'm moving X boards, same arrow"
- Track which spares you convert and which you miss — and which direction you miss
After 3–4 practice sessions with this approach, your spare shooting will feel systematic rather than hopeful. That's when conversion rates climb.