| Name: | Jacob |
| Federation: |  |
| Years: | 1993 - 1993 |
| Total Games: | 9 |
| Wins: | 2 (22.22 %) |
| Draws: | 3 (33.33 %) |
| Losses: | 4 (44.44 %) |
| Score: | 38.89 % |
| Tournament | Date | Elo Avg. | Country |
| Darm Heinerfestpokal op | ??/??/1993 | 489 |  Germany |
| ECO | Opening | Games |
| A11 | English, Caro-Kann defensive system | 2 games |
| A25 | English, Sicilian reversed | 1 games |
| D13 | Queen's Gambit Declined Slav, exchange variation | 1 games |
| ECO | Opening | Games |
| A52 | Budapest defence | 1 games |
| A47 | Queen's Indian defence | 1 games |
| B40 | Sicilian defence | 1 games |
| B21 | Sicilian, Grand Prix attack | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Jacob, | Adamczyk, M | ½-½  |
32 | A25 | 1993 | Darm Heinerfestpokal op |
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| Jacob, | Arnold, R | 0-1 |
51 | A11 | 1993 | Darm Heinerfestpokal op |
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| Jacob, | Rosowski, T | ½-½ |
41 | A11 | 1993 | Darm Heinerfestpokal op |
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| Jacob, | Scheffler, M | 1-0 |
32 | D13 | 1993 | Darm Heinerfestpokal op |
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| Bergstraesser, U | Jacob, | 0-1 |
17 | A52 | 1993 | Darm Heinerfestpokal op |
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| Bongardt, H | Jacob, | ½-½ |
40 | A47 | 1993 | Darm Heinerfestpokal op |
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| Daechert, P | Jacob, | 1-0 |
20 | B40 | 1993 | Darm Heinerfestpokal op |
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| Meier, W | Jacob, | 1-0 |
35 | B21 | 1993 | Darm Heinerfestpokal op |
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| Schaefer, M | 2215 | Jacob, | 1-0 |
27 | A51 | 1993 | Darm Heinerfestpokal op |
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