All patterns
PR7.9
- Distance
- 45 ft
- Volume
- 25.80 mL
- Ratio
- 1.67:1
- Drop brush
- 45 ft
- Forward
- 18.50 mL
- Reverse
- 7.30 mL
- Tanks
- NAVIGATE & CURRENT
- Pump
- 50µL
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 5 | 50 | 18 | 3 | A - Navigate | 0 → 10 | 9,250 |
| 2 | 2L | 2R | 5 | 50 | 22 | 3 | A - Navigate | 10 → 25 | 9,250 |
| 3 | 2L | 2R | 0 | 50 | 22 | 3 | A - Navigate | 25 → 40 | 0 |
| 4 | 2L | 2R | 0 | 50 | 10 | 3 | A - Navigate | 40 → 45 | 0 |
| Total | 18,500 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 50 | 30 | 3 | B - Current | 45 → 40 | 0 |
| 2 | 17L | 15R | 5 | 50 | 30 | 3 | B - Current | 40 → 19 | 2,250 |
| 3 | 17L | 15R | 3 | 50 | 18 | 3 | B - Current | 19 → 11 | 1,350 |
| 4 | 2L | 2R | 2 | 50 | 14 | 3 | B - Current | 11 → 8 | 3,700 |
| 5 | 2L | 2R | 0 | 50 | 10 | 3 | B - Current | 8 → 0 | 0 |
| Total | 7,300 µL | ||||||||
Pinlocity Rating (PR)
How hard this pattern plays, 1 (a walled house shot) to 10 (long, flat, and heavy). Tough. Computed from the sheet numbers and the load tables; no opinions involved.
- Ratio 45%9.5Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%7.339 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%6.8Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%4.720 to 26 mL is typical; heavier or lighter both add difficulty.
What the community throws here
Collecting. Community insights unlock once 25 different bowlers have shared games on this pattern.
0 of 25 bowlers so far. Log games on this pattern and turn on Contribute my games anonymously under a bowler's Privacy tab to help. Nothing identifying is ever stored in the totals.
Notes
Kegel Pattern Library: Usbc Patterns / U.S. Open.
Sheet dated 2021-12-06. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and USBC.

