Current Rating:
480
Most recent 20 rating updates
| Player | VS | Change | Event |
|---|---|---|---|
| Dennis Siewert ( 450 ) | win Abdulrahmon Sulaimon *T* ( 441 ) | +12 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 450 ) | win Rene Hunter *T* ( 250 ) | +6 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 450 ) | win Raval Rajendrakumar ( 464 ) | +12 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 442 ) | win John Zhao ( 329 ) | +8 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 442 ) | loss Alex Zhang *T* ( 465 ) | 0 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 442 ) | loss Bernie Johnson *T* ( 442 ) | 0 | OWTTA West League 2026/2027 |
| Dennis Siewert ( 424 ) | loss Wlodek Jarecia ( 527 ) | -6 | OWTTA West League 2025/2026 |
| Dennis Siewert ( 424 ) | win Roman Kroucui ( 685 ) | +27 | OWTTA West League 2025/2026 |
| Dennis Siewert ( 424 ) | loss Marek Krzewski ( 626 ) | -3 | OWTTA West League 2025/2026 |