| Leskovar, M |
Aparicio, A |
1-0  |
9 |
1980 |
A01 Nimzovich-Larsen attack |
 |
| Quinteros, M |
Panno, O |
1-0  |
9 |
1980 |
A25 English, Sicilian reversed |
 |
| Roca, A |
Najdorf, M |
½-½  |
9 |
1980 |
A16 English opening |
 |
| Rossetto, H |
Bass, A |
1-0  |
9 |
1980 |
A45 Queen's pawn game |
 |
| Schweber, S |
Debarnot, R |
½-½  |
9 |
1980 |
C06 French, Tarrasch, closed variation, main line |
 |
| Szmetan, J |
Cuasnicu, O |
1-0  |
9 |
1980 |
C66 Ruy Lopez, Berlin defence, 4.O-O, d6 |
 |
| Alvarez, E |
Bass, A |
1-0  |
10 |
1980 |
E92 King's Indian, classical variation |
 |
| Aparicio, A |
Borghi, H |
1-0  |
10 |
1980 |
A01 Nimzovich-Larsen attack |
 |
| Bronstein, L |
Braga, F |
½-½  |
10 |
1980 |
E90 King's Indian, 5.Nf3 |
 |
| Debarnot, R |
Rubinetti, J |
½-½  |
10 |
1980 |
E92 King's Indian, classical variation |
 |
| Garcia, R |
Giardelli, S |
0-1  |
10 |
1980 |
A30 English, symmetrical variation |
 |
| Hase, J |
Roca, A |
1-0  |
10 |
1980 |
E54 Nimzo-Indian, 4.e3, Gligoric system with 7...dc |
 |
| Najdorf, M |
Leskovar, M |
½-½  |
10 |
1980 |
A30 English, symmetrical variation |
 |
| Paglilla, C |
Cuasnicu, O |
0-1  |
10 |
1980 |
A26 English, closed system |
 |
| Panno, O |
Schweber, S |
1-0  |
10 |
1980 |
D25 Queen's Gambit Accepted, 4.e3 |
 |
| Rossetto, H |
Ramirez, E |
½-½  |
10 |
1980 |
A47 Queen's Indian defence |
 |
| Szmetan, J |
Quinteros, M |
½-½  |
10 |
1980 |
B97 Sicilian, Najdorf, 7...Qb6 |
 |
| Bass, A |
Paglilla, C |
1-0  |
11 |
1980 |
A77 Benoni, classical, 9...Re8, 10.Nd2 |
 |
| Borghi, H |
Bronstein, L |
0-1  |
11 |
1980 |
C64 Ruy Lopez, classical (Cordel) defence |
 |
| Braga, F |
Garcia, R |
1-0  |
11 |
1980 |
D40 Queen's Gambit Declined, Semi-Tarrasch defence |
 |
| Cuasnicu, O |
Leskovar, M |
0-1  |
11 |
1980 |
B13 Caro-Kann, exchange variation |
 |
| Debarnot, R |
Szmetan, J |
1-0  |
11 |
1980 |
A34 English, symmetrical variation |
 |
| Giardelli, S |
Najdorf, M |
1-0  |
11 |
1980 |
A25 English, Sicilian reversed |
 |
| Quinteros, M |
Hase, J |
1-0  |
11 |
1980 |
D34 Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 |
 |
| Ramirez, E |
Alvarez, E |
1-0  |
11 |
1980 |
A34 English, symmetrical variation |
 |
| Roca, A |
Rossetto, H |
½-½  |
11 |
1980 |
A19 English, Mikenas-Carls, Sicilian variation |
 |
| Rubinetti, J |
Panno, O |
½-½  |
11 |
1980 |
A30 English, symmetrical variation |
 |
| Schweber, S |
Aparicio, A |
1-0  |
11 |
1980 |
E77 King's Indian, Four pawns attack, 6.Be2 |
 |
| Alvarez, E |
Roca, A |
1-0  |
12 |
1980 |
E14 Queen's Indian, 4.e3 |
 |
| Aparicio, A |
Braga, F |
0-1  |
12 |
1980 |
A26 English, closed system |
 |
| Bronstein, L |
Cuasnicu, O |
0-1  |
12 |
1980 |
E12 Queen's Indian defence |
 |
| Hase, J |
Giardelli, S |
½-½  |
12 |
1980 |
B42 Sicilian, Kan, 5.Bd3 |
 |
| Leskovar, M |
Quinteros, M |
0-1  |
12 |
1980 |
B93 Sicilian, Najdorf, 6.f4 |
 |
| Najdorf, M |
Bass, A |
1-0  |
12 |
1980 |
B38 Sicilian, accelerated fianchetto, Maroczy bind, 6.Be3 |
 |
| Paglilla, C |
Borghi, H |
½-½  |
12 |
1980 |
B15 Caro-Kann defence |
 |
| Panno, O |
Debarnot, R |
½-½  |
12 |
1980 |
E12 Queen's Indian defence |
 |
| Ramirez, E |
Rubinetti, J |
0-1  |
12 |
1980 |
C95 Ruy Lopez, closed, Breyer, 10.d4 |
 |
| Rossetto, H |
Garcia, R |
0-1  |
12 |
1980 |
A30 English, symmetrical variation |
 |
| Szmetan, J |
Schweber, S |
0-1  |
12 |
1980 |
A09 Reti opening |
 |
| Bass, A |
Ramirez, E |
0-1  |
13 |
1980 |
C17 French, Winawer, advance variation |
 |
| Borghi, H |
Rossetto, H |
1-0  |
13 |
1980 |
B00 King's pawn opening |
 |
| Braga, F |
Szmetan, J |
½-½  |
13 |
1980 |
B22 Sicilian, Alapin's variation (2.c3) |
 |
| Debarnot, R |
Najdorf, M |
½-½  |
13 |
1980 |
E94 King's Indian, orthodox variation |
 |
| Garcia, R |
Alvarez, E |
1-0  |
13 |
1980 |
E11 Bogo-Indian defence |
 |
| Giardelli, S |
Panno, O |
½-½  |
13 |
1980 |
A24 English, Bremen system with ...g6 |
 |
| Paglilla, C |
Aparicio, A |
½-½  |
13 |
1980 |
C97 Ruy Lopez, closed, Chigorin defence |
 |
| Quinteros, M |
Cuasnicu, O |
1-0  |
13 |
1980 |
E05 Catalan, open, classical line |
 |
| Roca, A |
Bronstein, L |
1-0  |
13 |
1980 |
A18 English, Mikenas-Carls variation |
 |
| Rubinetti, J |
Leskovar, M |
1-0  |
13 |
1980 |
E38 Nimzo-Indian, classical, 4...c5 |
 |
| Schweber, S |
Hase, J |
0-1  |
13 |
1980 |
A36 English, symmetrical variation |
 |