| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Verduga, D | 2355 | Youngworth, P | 2250 | 1-0 ![]() |
43 | B99 | 1978 | Lone Pine op |
|
| Whitehead, J | 2245 | Youngworth, P | 2250 | ½-½ ![]() |
39 | B22 | 1978 | Lone Pine op |
|
| Youngworth, P | 2250 | Brasket, C | 2355 | ½-½ ![]() |
46 | D73 | 1978 | Lone Pine op |
|
| Youngworth, P | 2250 | Erlingsson, J | 2270 | 1-0 ![]() |
27 | A58 | 1978 | Lone Pine op |
|
| Youngworth, P | 2250 | Shamkovich, L | 2485 | 0-1 ![]() |
30 | A62 | 1978 | Lone Pine op |
|
| Youngworth, P | 2250 | Rogoff, K | 2520 | 0-1 ![]() |
46 | A62 | 1978 | Lone Pine op |
|
| Youngworth, P | 2250 | Olafsson, H | 2420 | 0-1 ![]() |
34 | E55 | 1978 | Lone Pine op |
|
| Loftsson, J | 2335 | Youngworth, P | 2250 | 1-0 ![]() |
47 | D94 | 1978 | Lone Pine op |
|