NWC May op
Seattle 1979
| Date | Players | Type | Elo Average | Games | Rounds |
| May, 1979 | 18 | Swiss | 407 | 14 | 5 |
| Name | ELO | Points | ||
|
FM Schill, William | 4.0 | ||
|
GM Seirawan, Yasser | 2485 | 3.5 | |
|
GM Biyiasas, Peter | 2485 | 2.0 | |
|
IM Gruchacz, Robert | 2355 | 1.0 | |
| Balashan, M. | 1.0 | |||
 |
FM Baragar, Fletcher | 1.0 | ||
| Widdison, Kirk | 0.5 | |||
| Wolf, W. | 0.5 | |||
|
Bricher, James | 0.5 | ||
|
Rupel, David G | 0.0 | ||
|
McCormick, James | 0.0 | ||
|
Pupols, Viktors | 0.0 | ||
|
Spiegel, Michael | 0.0 | ||
| Grun, GP. | 0.0 | |||
|
FM Fullbrook, Nigel | 0.0 | ||
|
South, Robert | 0.0 | ||
| Greben, Jan | 0.0 | |||
 |
IM Baker, Chris W | 0.0 | ||
NWC May op Games
| White | Black | Result | Round | Date | Opening | View |
| Baker, C | Seirawan, Y | 0-1  |
? | 1979 | A07 Reti, King's Indian attack (Barcza system) |   |
| Balashan, M | Seirawan, Y | 1-0 |
? | 1979 | B08 Pirc, classical (two knights) system |   |
| Biyiasas, P | Greben, J | 1-0 |
? | 1979 | A05 Reti opening | |
| Fullbrook, N | Baragar, F | 0-1 |
? | 1979 | C01 French, exchange variation | |
| Gruchacz, R | Seirawan, Y | 1-0 |
? | 1979 | C02 French, advance variation | |
| Rupel, D | Schill, W | 0-1 |
? | 1979 | B51 Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | |
| Schill, W | McCormick, J | 1-0 |
? | 1979 | C06 French, Tarrasch, closed variation, main line | |
| Schill, W | Pupols, V | 1-0 |
? | 1979 | B06 Robatsch (modern) defence | |
| Schill, W | Spiegel, M | 1-0 |
? | 1979 | D55 Queen's Gambit Declined, 6.Nf3 | |
| Seirawan, Y | Biyiasas, P | 1-0 |
? | 1979 | A19 English, Mikenas-Carls, Sicilian variation | |
| Seirawan, Y | Grun, G | 1-0 |
? | 1979 | A26 English, closed system | |
| Seirawan, Y | Wolf, W | ½-½ |
? | 1979 | A26 English, closed system | |
| South, R | Biyiasas, P | 0-1 |
? | 1979 | E73 King's Indian, 5.Be2 | |
| Widdison, K | Bricher, J | ½-½ |
? | 1979 | B08 Pirc, classical (two knights) system | |