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PR9.5
USBCSport
2023 U.S. Open Pattern #1
PR9.5What's this?- Distance
- 49 ft
- Volume
- 31.68 mL
- Ratio
- 1.25:1
- Drop brush
- 49 ft
- Forward
- 15.84 mL
- Reverse
- 15.84 mL
- Tanks
- FIRE
- Pump
- 40µL
Forward loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 4L | 4R | 4 | 40 | 18 | 3 | A - Fire | 0 → 8 | 5,280 |
| 2 | 4L | 4R | 4 | 40 | 22 | 3 | A - Fire | 8 → 20 | 5,280 |
| 3 | 4L | 4R | 4 | 40 | 26 | 3 | A - Fire | 20 → 34 | 5,280 |
| 4 | 2L | 2R | 0 | 40 | 26 | 3 | A - Fire | 34 → 49 | 0 |
| Total | 15,840 µL | ||||||||
Reverse loads
| # | Start | Stop | Loads | Mics | Speed | Buff | Tank | Distance | T. oil |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2L | 2R | 0 | 40 | 30 | 3 | A - Fire | 49 → 39 | 0 |
| 2 | 4L | 4R | 4 | 40 | 22 | 3 | A - Fire | 39 → 27 | 5,280 |
| 3 | 4L | 4R | 4 | 40 | 18 | 3 | A - Fire | 27 → 17 | 5,280 |
| 4 | 4L | 4R | 4 | 40 | 14 | 3 | A - Fire | 17 → 9 | 5,280 |
| 5 | 2L | 2R | 0 | 40 | 10 | 3 | A - Fire | 9 → 0 | 0 |
| Total | 15,840 µL | ||||||||
Pinlocity Rating (PR)
How hard this pattern plays, 1 (a walled house shot) to 10 (long, flat, and heavy). Brutal. Computed from the sheet numbers and the load tables; no opinions involved.
- Ratio 45%10.0Flatter patterns score higher. 10:1 walls score 1, dead flat scores 10.
- Distance 25%10.039 to 41 ft is the playable band; longer and shorter both climb.
- Outside oil 20%8.4Oil on boards 3 to 7 takes away the miss room, measured from the load tables.
- Volume 10%8.220 to 26 mL is typical; heavier or lighter both add difficulty.
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Notes
Kegel Pattern Library: Usbc Patterns / U.S. Open.
Sheet dated 2023-01-31. Pattern data from the Kegel Pattern Library, reproduced with credit to Kegel and USBC.

