|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Jacobs, Daniel R
|
|
Gruchacz, Robert
|
|
B51
|
1971
|
1-0
| 22 |
|
|
|
Martz, William E
|
|
Gruchacz, Robert
|
|
A67
|
1972
|
1-0
| 41 |
|
|
|
Najdorf, Miguel
|
2510
|
Gruchacz, Robert
|
|
A08
|
1976
|
1-0
| 43 |
|
|
|
Rogoff, Kenneth
|
2480
|
Gruchacz, Robert
|
|
D30
|
1976
|
1-0
| 41 |
|
|
|
Watson, John L
|
|
Gruchacz, Robert
|
|
A54
|
1976
|
1-0
| 45 |
|
|
|
Christiansen, Larry Ma...
|
2400
|
Gruchacz, Robert
|
|
B85
|
1976
|
1-0
| 38 |
|
|
|
Zaltsman, Vitaly F
|
|
Gruchacz, Robert
|
2400
|
A36
|
1978
|
1-0
| 47 |
|
|
|
Westerinen, Heikki MJ
|
2450
|
Gruchacz, Robert
|
2400
|
B40
|
1978
|
1-0
| 48 |
|
|
|
Odendahl, Steven M
|
|
Gruchacz, Robert
|
2400
|
A37
|
1978
|
1-0
| 30 |
|
|
|
Zapata, Alonso
|
2355
|
Gruchacz, Robert
|
2400
|
B85
|
1978
|
1-0
| 37 |
|
|
|
Chandler, Murray G
|
2380
|
Gruchacz, Robert
|
2355
|
B22
|
1979
|
1-0
| 51 |
|
|
|
Speelman, Jonathan S
|
2470
|
Gruchacz, Robert
|
2355
|
B80
|
1979
|
1-0
| 46 |
|
|
|
Bellin, Robert
|
2425
|
Gruchacz, Robert
|
2355
|
B40
|
1979
|
1-0
| 30 |
|
|
|
Piasetski, Leon David
|
2420
|
Gruchacz, Robert
|
2365
|
B37
|
1980
|
1-0
| 55 |
|
|
|
|
|