|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Bisguier, Arthur Berna...
|
2440
|
Costigan, Richard
|
|
B21
|
1976
|
0-1
| 41 |
|
|
|
Costigan, Richard
|
|
Lein, Anatoly
|
2515
|
B30
|
1976
|
0-1
| 56 |
|
|
|
Costigan, Richard
|
|
Spraggett, Kevin
|
2450
|
B51
|
1977
|
0-1
| 28 |
|
|
|
Seirawan, Yasser
|
2250
|
Costigan, Richard
|
|
A28
|
1977
|
1-0
| 29 |
|
|
|
Regan, Kenneth
|
2375
|
Costigan, Richard
|
|
B22
|
1977
|
1-0
| 34 |
|
|
|
Costigan, Richard
|
|
McCambridge, Vincent
|
|
C54
|
1977
|
0-1
| 41 |
|
|
|
Whitehead, Jay E
|
|
Costigan, Richard
|
|
B31
|
1977
|
0-1
| 59 |
|
|
|
Costigan, Richard
|
|
Costigan, Thomas J
|
|
A30
|
1977
|
½-½
| 25 |
|
|
|
Seirawan, Yasser
|
2250
|
Costigan, Richard
|
|
A16
|
1977
|
1-0
| 51 |
|
|
|
Costigan, Richard
|
|
Fedorowicz, John P
|
2440
|
B51
|
1977
|
½-½
| 67 |
|
|
|
Tisdall, Jonathan D
|
2375
|
Costigan, Richard
|
|
D86
|
1977
|
1-0
| 25 |
|
|
|
Costigan, Richard
|
|
Whitehead, Paul A
|
|
C02
|
1977
|
½-½
| 38 |
|
|
|
Costigan, Richard
|
2261
|
Biyiasas, Peter
|
2407
|
C50
|
1978
|
0-1
| 21 |
|
|
|
Costigan, Richard
|
|
Rohde, Michael A
|
2425
|
B40
|
1978
|
0-1
| 25 |
|
|
|
|
|