Grand Prix Suisse op
Switzerland 1991
| Date | Players | Type | Elo Average | Games | Rounds |
| 1991 | 17 | Swiss | 1502 | 28 | 9 |
| Name | ELO | Points | ||
 |
IM Mascarinas, Rico | 2410 | 5.0 | |
|
IM Kaenel, Hansjuerg | 2345 | 5.0 | |
| Schwarz, Peter | 2270 | 4.0 | ||
 |
GM Godena, Michele | 2405 | 3.0 | |
|
Meier, Thomas | 2275 | 2.5 | |
|
IM Belotti, Bruno | 2460 | 2.0 | |
| Chiong, Luiz | 2365 | 2.0 | ||
|
FM Hug, Marcel | 2250 | 2.0 | |
|
Dintheer, Willi | 1.0 | ||
 |
Delanoy, Arnaud | 2210 | 0.5 | |
|
Buetler, Michael | 0.5 | ||
|
Giudici, Daniel | 0.5 | ||
|
Martinidesz, Denes | 2310 | 0.0 | |
 |
IM Habibi, Ali | 2240 | 0.0 | |
|
Arquint, Andri | 0.0 | ||
 |
Frank, Albert | 0.0 | ||
|
Steinert, Marc | 0.0 | ||
Grand Prix Suisse op Games
| White | Black | Result | Round | Date | Opening | View |
| Belotti, B | Mascarinas, R | 0-1  |
3 | 1991 | B81 Sicilian, Scheveningen, Keres attack |   |
| Kaenel, H | Chiong, L | 1-0 |
3 | 1991 | E60 King's Indian defence |   |
| Frank, A | Hug, M | 0-1 |
4 | 1991 | C68 Ruy Lopez, exchange variation | |
| Godena, M | Dintheer, W | 1-0 |
4 | 1991 | B22 Sicilian, Alapin's variation (2.c3) | |
| Habibi, A | Schwarz, P | 0-1 |
4 | 1991 | C00 French defence | |
| Mascarinas, R | Kaenel, H | ½-½ |
4 | 1991 | A84 Dutch defence | |
| Hug, M | Mascarinas, R | 0-1 |
5 | 1991 | A73 Benoni, classical, 9.O-O | |
| Kaenel, H | Giudici, D | 1-0 |
5 | 1991 | A40 Queen's pawn | |
| Schwarz, P | Godena, M | ½-½ |
5 | 1991 | E32 Nimzo-Indian, classical variation | |
| Habibi, A | Belotti, B | 0-1 |
6 | 1991 | A30 English, symmetrical variation | |
| Martinidesz, D | Meier, T | 0-1 |
6 | 1991 | C01 French, exchange variation | |
| Mascarinas, R | Godena, M | ½-½ |
6 | 1991 | B07 Pirc defence | |
| Schwarz, P | Kaenel, H | 1-0 |
6 | 1991 | A89 Dutch, Leningrad, main variation with Nc6 | |
| Arquint, A | Meier, T | 0-1 |
7 | 1991 | C00 French defence | |
| Delanoy, A | Giudici, D | ½-½ |
7 | 1991 | B87 Sicilian, Sozin with ...a6 and ...b5 | |
| Godena, M | Chiong, L | 0-1 |
7 | 1991 | B07 Pirc defence | |
| Hug, M | Dintheer, W | ½-½ |
7 | 1991 | C01 French, exchange variation | |
| Kaenel, H | Belotti, B | ½-½ |
7 | 1991 | E60 King's Indian defence | |
| Mascarinas, R | Schwarz, P | 1-0 |
7 | 1991 | B45 Sicilian, Taimanov variation | |
| Belotti, B | Hug, M | ½-½ |
8 | 1991 | C78 Ruy Lopez, 5.O-O | |
| Buetler, M | Dintheer, W | ½-½ |
8 | 1991 | B07 Pirc defence | |
| Chiong, L | Mascarinas, R | ½-½ |
8 | 1991 | C42 Petrov's defence | |
| Godena, M | Kaenel, H | 0-1 |
8 | 1991 | B22 Sicilian, Alapin's variation (2.c3) | |
| Mascarinas, R | Meier, T | ½-½ |
8 | 1991 | C02 French, advance variation | |
| Delanoy, A | Godena, M | 0-1 |
9 | 1991 | C66 Ruy Lopez, Berlin defence, 4.O-O, d6 | |
| Kaenel, H | Steinert, M | 1-0 |
9 | 1991 | D70 Neo-Gruenfeld defence | |
| Meier, T | Schwarz, P | 0-1 |
9 | 1991 | D36 Queen's Gambit Declined, exchange, positional line, 6.Qc2 | |
| Schwarz, P | Chiong, L | ½-½ |
9 | 1991 | E70 King's Indian, 4.e4 | |