| Maderna, C |
Vianna, |
1-0  |
13 |
1928 |
B73 Sicilian, dragon, classical, 8.O-O |
  |
| Montalban, J |
Ureta, H |
1-0 |
13 |
1928 |
D00 Queen's pawn game |
  |
| Palau, L |
De Souza Mendes, J |
1-0 |
13 |
1928 |
C91 Ruy Lopez, closed, 9.d4 |
|
| Perea, |
Romano, V |
0-1 |
13 |
1928 |
D52 Queen's Gambit Declined |
|
| De Souza Mendes, J |
Gabarain, J |
1-0 |
14 |
1928 |
D30 Queen's gambit declined |
|
| Palau, L |
Montalban, J |
1-0 |
14 |
1928 |
B07 Pirc defence |
|
| Perea, |
Maderna, C |
0-1 |
14 |
1928 |
E43 Nimzo-Indian, Fischer variation |
|
| Pulcherio, C |
Hernandez, J |
1-0 |
14 |
1928 |
D46 Queen's Gambit Declined semi-Slav, 6.Bd3 |
|
| Romano, V |
Grau, R |
½-½ |
14 |
1928 |
A84 Dutch defence |
|
| Ureta, H |
Cruz, W |
0-1 |
14 |
1928 |
D53 Queen's Gambit Declined, 4.Bg5 Be7 |
|
| Vianna, |
Castillo Larenas, M |
0-1 |
14 |
1928 |
C33 King's gambit accepted |
|
| Villegas, B |
Balparda, J |
1-0 |
14 |
1928 |
C66 Ruy Lopez, Berlin defence, 4.O-O, d6 |
|
| Balparda, J |
Anfruns, C |
0-1 |
15 |
1928 |
C01 French, exchange variation |
|
| Castillo Larenas, M |
Villegas, B |
1-0 |
15 |
1928 |
B44 Sicilian defence |
|
| Cruz, W |
Vianna, |
1-0 |
15 |
1928 |
C90 Ruy Lopez, closed (with ...d6) |
|
| Gabarain, J |
Ureta, H |
0-1 |
15 |
1928 |
D30 Queen's gambit declined |
|
| Grau, R |
De Souza Mendes, J |
1-0 |
15 |
1928 |
B13 Caro-Kann, exchange variation |
|
| Hernandez, J |
Romano, V |
0-1 |
15 |
1928 |
|
|
| Maderna, C |
Pulcherio, C |
½-½ |
15 |
1928 |
A38 English, symmetrical variation |
|
| Montalban, J |
Perea, |
1-0 |
15 |
1928 |
D03 Torre attack (Tartakower variation) |
|
| Anfruns, C |
Perea, |
1-0 |
16 |
1928 |
|
|
| Balparda, J |
Palau, L |
0-1 |
16 |
1928 |
C27 Vienna game |
|
| Castillo Larenas, M |
Montalban, J |
½-½ |
16 |
1928 |
B02 Alekhine's defence |
|
| Cruz, W |
Maderna, C |
0-1 |
16 |
1928 |
D35 Queen's Gambit Declined, 3...Nf6 |
|
| Gabarain, J |
Hernandez, J |
1-0 |
16 |
1928 |
|
|
| Ureta, H |
De Souza Mendes, J |
0-1 |
16 |
1928 |
E79 King's Indian, Four pawns attack, main line |
|
| Vianna, |
Romano, V |
0-1 |
16 |
1928 |
B20 Sicilian defence |
|
| Villegas, B |
Pulcherio, C |
1-0 |
16 |
1928 |
B84 Sicilian, Scheveningen (Paulsen), classical variation |
|
| Castillo Larenas, M |
Balparda, J |
0-1 |
17 |
1928 |
C50 King's pawn game |
|
| Cruz, W |
Anfruns, C |
½-½ |
17 |
1928 |
D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2 |
|
| Gabarain, J |
Villegas, B |
½-½ |
17 |
1928 |
B44 Sicilian defence |
|
| Grau, R |
Vianna, |
½-½ |
17 |
1928 |
D06 Queen's Gambit |
|
| Hernandez, J |
Ureta, H |
0-1 |
17 |
1928 |
|
|
| Maderna, C |
De Souza Mendes, J |
0-1 |
17 |
1928 |
E70 King's Indian, 4.e4 |
|
| Montalban, J |
Romano, V |
½-½ |
17 |
1928 |
A47 Queen's Indian defence |
|
| Palau, L |
Pulcherio, C |
½-½ |
17 |
1928 |
B85 Sicilian, Scheveningen, classical variation with ...Qc7 and ...Nc6 |
|
Mar del Plata 1928