Oroville, CA·Oct 10, 1998
Director: John Mathews
| Main Tournament (96 players) | ||||
| Rank | Player | City/State | Points | |
| 1 | Ronald L. Sargent | Red Bluff, CA | 147 | |
| 2 | Roger King | Santa Clara, CA | 105 | |
| 3 | Harold Sontag | Dixon, CA | 70 | |
| 3 | Vern B. Kennebeck | Magalia, CA | 70 | |
| 5 | Jones H. Hom | Fairfield, CA | 42 | |
| 5 | Harry Ng | San Leandro, CA | 42 | |
| 5 | Joseph L. Lusignan | Salinas, CA | 42 | |
| 5 | James Langley | Red Bluff, CA | 42 | |
| 9 | Jack B. Shumate III | Crescent City, CA | 21 | |
| 9 | C. A. Mitchell | Las Vegas, NV | 21 | |
| 9 | Bryant Gilkeson | Reno, NV | 21 | |
| 9 | Robert Christopher | Oakland, CA | 21 | |
| 9 | William Summers II | Seaside, CA | 21 | |
| 9 | Alfred Libby | Quincy, CA | 21 | |
| 9 | Sundae Webb | Lockeford, CA | 21 | |
| 9 | Thomas Stevens | Oroville, CA | 21 | |
| 17 | Christopher L Quigley | Fairfield, CA | 7 | |
| 17 | Kathleen H. Von Bargen | Artois, CA | 7 | |
| 17 | Jerold E. Montgomery | Red Bluff, CA | 7 | |
| 17 | Helen V. Bolstad | Martinez, CA | 7 | |
| 17 | H. Ross Njaa | Salinas, CA | 7 | |
| 17 | Bill Irons | Sparks, NV | 7 | |
| 17 | Bruce V. Forbes | Chico, CA | 7 | |
| 17 | Jackie Doppelt | Vacaville, CA | 7 | |
| Main Qualifying (18 games) | ||||
| Rank | Player | City/State | Game Pts | Points |
| 1 | Jack B. Shumate III | Crescent City, CA | 30 | 45 |
| 2 | Harold Sontag | Dixon, CA | 29 | 40 |
| 3 | William Summers II | Seaside, CA | 29 | 40 |
| 4 | Robert Christopher | Oakland, CA | 27 | 30 |
| 5 | Harry Ng | San Leandro, CA | 27 | 30 |
| 6 | Alfred Libby | Quincy, CA | 26 | 25 |
| 7 | Sundae Webb | Lockeford, CA | 26 | 25 |
| 8 | Jones H. Hom | Fairfield, CA | 25 | 20 |
| 9 | Kathleen H. Von Bargen | Artois, CA | 23 | 10 |
| 10 | Bruce V. Forbes | Chico, CA | 23 | 10 |
| 11 | Bill Irons | Sparks, NV | 23 | 10 |
| 12 | Jerold E. Montgomery | Red Bluff, CA | 23 | 10 |
| Consolation Tournament (42 players) | ||||
| Rank | Player | City/State | Points | |
| 1 | Annett J. Eiffert | Citrus Heights, CA | 45 | |
| 2 | John W. Schmucker | Yountville, CA | 30 | |
| 3 | Boyd R. McDonald | Mountain View, CA | 18 | |
| 3 | Marilyn McGrew | Auburn, CA | 18 | |
| 5 | Beverly Halstead | Oroville, CA | 9 | |
| 5 | Ruth J. Fraker | Mckinleyville, CA | 9 | |
| 5 | Mary Herrmann | Walnut Creek, CA | 9 | |
| 5 | Mary Gladish | Concord, CA | 9 | |
| 9 | Thelma M. Weber | Vacaville, CA | 3 | |
| 9 | R. Roy Banducci | Nipomo, CA | 3 | |
| 9 | PLAYER DUMMY | ANYTOWN, WI | 3 | |
| Consolation Qualifying (9 games) | ||||
| Rank | Player | City/State | Game Pts | Points |
| 1 | Beverly Halstead | Oroville, CA | 20 | 27 |
| 2 | John W. Schmucker | Yountville, CA | 17 | 18 |
| 3 | Boyd R. McDonald | Mountain View, CA | 16 | 15 |
| 4 | Marilyn McGrew | Auburn, CA | 15 | 12 |
| 5 | Ruth J. Fraker | Mckinleyville, CA | 14 | 9 |
| 6 | PLAYER DUMMY | ANYTOWN, WI | 12 | 3 |