NWC November op
Seattle 1983
| Date | Players | Type | Elo Average | Games | Rounds |
| Nov, 1983 | 22 | Swiss | 522 | 14 | 6 |
| Name | ELO | Points | ||
|
IM Donaldson, John W | 2405 | 3.5 | |
| Heikkinen, Philip | 2.0 | |||
|
IM Zlotnikov, Mikhail | 2385 | 1.0 | |
| Osgood, Ian | 1.0 | |||
| Peterson, Philip | 1.0 | |||
|
Mulford, Michael | 1.0 | ||
|
Martin, Roger | 1.0 | ||
| Holmquist, Gary | 1.0 | |||
|
FM Dubisch, Ralph | 1.0 | ||
|
FM Acholonu, Gregory | 1.0 | ||
|
Eberlein, Robert B | 2260 | 0.5 | |
|
Ferguson, Bobby | 2215 | 0.0 | |
|
Mengarini, Ariel | 2210 | 0.0 | |
| Ramirez, Gene | 0.0 | |||
| Atkinson, H. | 0.0 | |||
| Wilson, Steve | 0.0 | |||
| Haynes, Richard | 0.0 | |||
|
Edwards, Matthew | 0.0 | ||
| Martin, Lenny | 0.0 | |||
|
Schemm, Michael | 0.0 | ||
| Montchalin, Michael | 0.0 | |||
|
FM Rogers, Norman | 0.0 | ||
NWC November op Games
| White | Black | Result | Round | Date | Opening | View |
| Donaldson, J | Acholonu, G | 0-1  |
? | 1983 | A29 English, four knights, kingside fianchetto |   |
| Donaldson, J | Atkinson, H | 1-0 |
? | 1983 | E74 King's Indian, Averbakh, 6...c5 |   |
| Donaldson, J | Eberlein, R | ½-½ |
? | 1983 | A35 English, symmetrical variation | |
| Donaldson, J | Mengarini, A | 1-0 |
? | 1983 | A27 English, three knights system | |
| Donaldson, J | Rogers, N | 1-0 |
? | 1983 | E73 King's Indian, 5.Be2 | |
| Dubisch, R | Wilson, S | 1-0 |
? | 1983 | B23 Sicilian, closed | |
| Ferguson, B | Heikkinen, P | 0-1 |
? | 1983 | A26 English, closed system | |
| Holmquist, G | Edwards, M | 1-0 |
? | 1983 | A07 Reti, King's Indian attack (Barcza system) | |
| Martin, L | Osgood, I | 0-1 |
? | 1983 | B76 Sicilian, dragon, Yugoslav attack, 7...O-O | |
| Martin, R | Schemm, M | 1-0 |
? | 1983 | D53 Queen's Gambit Declined, 4.Bg5 Be7 | |
| Montchalin, M | Heikkinen, P | 0-1 |
? | 1983 | E91 King's Indian, 6.Be2 | |
| Peterson, P | Haynes, R | 1-0 |
? | 1983 | C05 French, Tarrasch, closed variation | |
| Ramirez, G | Mulford, M | 0-1 |
? | 1983 | A11 English, Caro-Kann defensive system | |
| Zlotnikov, M | Donaldson, J | 1-0 |
? | 1983 | A37 English, symmetrical variation | |
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