Boise, ID·Aug 1-2, 1998
Director: David Suhr
| Main Tournament (53 players) | ||||
| Rank | Player | City/State | Points | |
| 1 | Joe Dunn | Boise, ID | 105 | |
| 2 | Paul Hatcher | Salem, OR | 70 | |
| 3 | Bill Wakeman | San Lorenzo, CA | 42 | |
| 3 | Gene Sissel | Baker City, OR | 42 | |
| 5 | Donald Wisdom | Boise, ID | 21 | |
| 5 | Jerry Blackman | Bend, OR | 21 | |
| 5 | Carolyn Blackman | Bend, OR | 21 | |
| 5 | Kenneth Capper | Hermiston, OR | 21 | |
| 9 | Bill Hill | Hermiston, OR | 7 | |
| 9 | Phil True | Richland, WA | 7 | |
| 9 | Wendell N. Rush | Baker City, OR | 7 | |
| 9 | Mark Ostheller | Everett, WA | 7 | |
| 9 | Vonita Gill | Everett, WA | 7 | |
| 9 | Dan David | Boise, ID | 7 | |
| Main Qualifying (22 games) | ||||
| Rank | Player | City/State | Game Pts | Points |
| 1 | Jerry Blackman | Bend, OR | 33 | 35 |
| 2 | Kenneth Capper | Hermiston, OR | 33 | 35 |
| 3 | Paul Hatcher | Salem, OR | 32 | 30 |
| 4 | Bill Wakeman | San Lorenzo, CA | 32 | 30 |
| 5 | Wendell N. Rush | Baker City, OR | 32 | 30 |
| 6 | Carolyn Blackman | Bend, OR | 32 | 30 |
| 7 | Mark Ostheller | Everett, WA | 30 | 20 |
| Consolation Tournament (30 players) | ||||
| Rank | Player | City/State | Points | |
| 1 | Tom Markham | Mountlake Terrace, WA | 30 | |
| 2 | Betty Jean Capper | Hermiston, OR | 18 | |
| 3 | Bayard Lliteras | Coeur D Alene, ID | 9 | |
| 3 | Alan Baze | Boise, ID | 9 | |
| 5 | Jim Hornbacher | Mountlake Terrace, WA | 3 | |
| 5 | Doug Brown | Pasco, WA | 3 | |
| 5 | Dean Harvey | San Francisco, CA | 3 | |
| 5 | Rollie Heath | Lincoln City, OR | 3 | |
| Consolation Qualifying (9 games) | ||||
| Rank | Player | City/State | Game Pts | Points |
| 1 | Tom Markham | Mountlake Terrace, WA | 14 | 9 |
| 2 | Betty Jean Capper | Hermiston, OR | 14 | 9 |
| 3 | Bayard Lliteras | Coeur D Alene, ID | 13 | 6 |
| 4 | Alan Baze | Boise, ID | 13 | 6 |
