Iowa m1
Iowa 1973
| Date | Players | Type | Elo Average | Games | Rounds |
| 1973 | 2 | Match | 4 | 4 |
| Name | ELO | Points | ||
| Knudsen, John C | 3.0 | |||
| Powers, G. | 1.0 | |||
Iowa m1 Games
| White | Black | Result | Round | Date | Opening | View |
| Knudsen, J | Powers, G | 0-1  |
? | 1973 | A03 Bird's opening |   |
| Knudsen, J | Powers, G | 1-0 |
? | 1973 | A04 Reti opening |   |
| Powers, G | Knudsen, J | 0-1 |
? | 1973 | A00 Polish (Sokolsky) opening | |
| Powers, G | Knudsen, J | 0-1 |
? | 1973 | A01 Nimzovich-Larsen attack | |