NWC July op
Seattle 1979
| Date | Players | Type | Elo Average | Games | Rounds |
| Jul, 1979 | 12 | Swiss | 553 | 9 | 5 |
| Name | ELO | Points | ||
|
IM Grefe, John A | 2400 | 2.0 | |
| Scoones, Daniel | 1.5 | |||
| Greben, Jan | 1.0 | |||
 |
FM Harper, Bruce | 1.0 | ||
| Sontag, Paul | 1.0 | |||
|
McCormick, James | 1.0 | ||
|
Spiegel, Michael | 1.0 | ||
| Morin, Glenn | 0.5 | |||
|
IM Donaldson, John W | 2310 | 0.0 | |
| Haring Orton, Ruth Inez | 1920 | 0.0 | ||
| Vigier, Gerry | 0.0 | |||
|
FM Taylor, Gordon | 0.0 | ||
NWC July op Games
| White | Black | Result | Round | Date | Opening | View |
| Grefe, J | Vigier, G | 1-0  |
? | 1979 | E94 King's Indian, orthodox variation |   |
| Haring Orton, R | Greben, J | 0-1 |
? | 1979 | C65 Ruy Lopez, Berlin defence |   |
| Harper, B | Sontag, P | 1-0 |
? | 1979 | E14 Queen's Indian, 4.e3 | |
| McCormick, J | Spiegel, M | 1-0 |
? | 1979 | D34 Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | |
| Morin, G | Scoones, D | ½-½ |
? | 1979 | B26 Sicilian, closed, 6.Be3 | |
| Scoones, D | Sontag, P | 1-0 |
? | 1979 | A28 English, four knights system | |
| Sontag, P | Donaldson, J | 1-0 |
? | 1979 | E44 Nimzo-Indian, Fischer variation, 5.Ne2 | |
| Spiegel, M | Harper, B | 1-0 |
? | 1979 | B06 Robatsch (modern) defence | |
| Taylor, G | Grefe, J | 0-1 |
? | 1979 | E73 King's Indian, 5.Be2 | |