| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Girsberger, T | Umbach, A | 0-1 ![]() |
43 | B25 | 1994 | Schweiz op |
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| Haeberli, J | 2240 | Umbach, A | ½-½ ![]() |
43 | A48 | 1994 | Schweiz op |
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| Salov, S | 2270 | Umbach, A | ½-½ ![]() |
24 | B70 | 1994 | Zuerich op |
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| Sofrigin, A | 2265 | Umbach, A | 1-0 ![]() |
32 | B78 | 1994 | Zuerich op |
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| Umbach, A | Raeber, M | 2090 | 0-1 ![]() |
40 | D34 | 1994 | Zuerich op |
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| Umbach, A | Donev, I | 2385 | ½-½ ![]() |
41 | D36 | 1994 | Zuerich op |
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| Umbach, A | Jung, T | ½-½ ![]() |
41 | A25 | 1994 | Schweiz op |
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| Umbach, A | Franzoni, G | 2440 | 0-1 ![]() |
45 | A47 | 1992 | Zuerich op |
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| Lumsdon, A | Umbach, A | 1-0 ![]() |
23 | A48 | 1992 | Bad Ragaz op |
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| Foerster, R | Umbach, A | 1-0 ![]() |
21 | B78 | 1992 | Bad Ragaz op |
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| Allegro, V | 2330 | Umbach, A | 1-0 ![]() |
61 | A05 | 1992 | Bad Ragaz op |
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| Horn, P | 2275 | Umbach, A | 1-0 ![]() |
39 | B08 | 1992 | Zuerich op |
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| Hodler, B | Umbach, A | 0-1 ![]() |
43 | B22 | 1991 | Zuerich op2 |
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| Umbach, A | Lorenzi, J | 1-0 ![]() |
34 | E91 | 1991 | Zuerich op2 |
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| Umbach, A | Moeller, C | 1-0 ![]() |
20 | B78 | 1991 | Chiasso op |
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| Umbach, A | Brueggler, R | 0-1 ![]() |
42 | D85 | 1991 | Zuerich op2 |
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| Umbach, A | Osio, G | 1-0 ![]() |
54 | E91 | 1991 | Zuerich op2 |
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