| ECO | Opening | Games |
| C86 | Ruy Lopez, Worrall attack | 1 games |
| B70 | Sicilian, dragon variation | 1 games |
| C06 | French, Tarrasch, closed variation, main line | 1 games |
| C27 | Vienna game | 1 games |
| ECO | Opening | Games |
| C84 | Ruy Lopez, closed defence | 2 games |
| E56 | Nimzo-Indian, 4.e3, main line with 7...Nc6 | 1 games |
| B24 | Sicilian, closed | 1 games |
| D83 | Gruenfeld, Gruenfeld gambit | 1 games |
| Name: | Robert Sobel |
| Years: | 1956 - 1958 |
| Wins: | 4 (33.33 %) |
| Draws: | 2 (16.67 %) |
| Losses: | 6 (50 %) |
| Score: | 41.67 % |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Colbow, | Sobel, R | ½-½ | 100 | B24 | 1956 | CAN-op |  |
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| Fox, M | Sobel, R | 0-1 | 120 | C84 | 1956 | CAN-op |  |
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| Krznaric, | Sobel, R | 1-0 | 61 | E56 | 1956 | CAN-op | |
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| Sobel, R | Di Camillo, A | 0-1 | 48 | C86 | 1956 | CAN-op | |
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| Sobel, R | Fischer, R | 1-0 | 53 | B70 | 1956 | CAN-op | |
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| Sobel, R | Gray, | ½-½ | 73 | C27 | 1957 | WchT U26 04th | |
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| Sobel, R | Tseveloidoff, | 1-0 | 65 | C06 | 1957 | WchT U26 04th | |
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| Juettler, H | Sobel, R | 1-0 | 57 | D83 | 1957 | WchT U26 04th | |
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| Palmqvist, U | Sobel, R | 0-1 | 42 | D93 | 1957 | WchT U26 04th | |
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| Sobel, R | Fischer, R | 0-1 | 98 | A49 | 1957 | East Orange | |
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| Pacsay, L | Sobel, R | 1-0 | 119 | C84 | 1958 | WchT U26 fin-A 05th | |
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| Sobel, R | Vyslouzil, A | 0-1 | 79 | B34 | 1958 | WchT U26 fin-A 05th | |
