| Name: | Stefan Weiher |
| Federation: |  |
| Years: | 2005 - 2005 |
| Total Games: | 7 |
| Wins: | 2 (28.57 %) |
| Draws: | 2 (28.57 %) |
| Losses: | 3 (42.86 %) |
| Score: | 42.86 % |
| Tournament | Date | Elo Avg. | Country |
| NRW U25 op | 10/01/2005 | 1740 |  Germany |
| ECO | Opening | Games |
| C42 | Petrov's defence | 1 games |
| C54 | Giuoco Piano | 1 games |
| C24 | Bishop's opening, Berlin defence | 1 games |
| ECO | Opening | Games |
| D02 | Queen's pawn game | 1 games |
| A29 | English, four knights, kingside fianchetto | 1 games |
| E08 | Catalan, closed, 7.Qc2 | 1 games |
| D60 | Queen's Gambit Declined, Orthodox defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Taubert, T | 1469 | Weiher, S | 1544 | ½-½  |
30 | D60 | 2005 | NRW U25 op |
|
| Weiher, S | 1544 | Radovynsky, J | 1455 | 1-0 |
59 | C24 | 2005 | NRW U25 op |
|
| Weisshuhn, G | 1881 | Weiher, S | 1544 | 1-0 |
19 | E08 | 2005 | NRW U25 op |
|
| Weiher, S | 1544 | Bulke, S | 1594 | ½-½ |
17 | C54 | 2005 | NRW U25 op |
|
| Sammon, M | 1797 | Weiher, S | 1544 | 1-0 |
59 | A29 | 2005 | NRW U25 op |
|
| Weiher, S | 1544 | Schmale, L | 1285 | 1-0 |
66 | C42 | 2005 | NRW U25 op |
|
| Franz, C | 1916 | Weiher, S | 1544 | 1-0 |
26 | D02 | 2005 | NRW U25 op |
|
