Bittrich, Sebastian
Current rating: 1522
Record: 7-6
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 11 | Hawkins, Darren (1500) | Won 2-0 | +171540 |
| 2pioneer | 12 | Pearce, Seth (1694) | Lost 0-2 | -151525 |
| 3pioneer | 347 | Grizzle, Brent (1474) | Won 2-0 | +171542 |
| 4pioneer | 134 | Davis, Brennan (1457) | Won 2-1 | +171559 |
| 5pioneer | 162 | Garcia, James (1489) | Lost 0-1 | -201539 |
| 6pioneer | 253 | Shafer, Will (1566) | Lost 0-2 | -171522 |
| average opponent: 1530record: 3-3 | new rating: 1522 | |||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 387 | Yu, Jun (1503) | Won 2-0 | +181518 |
| 2modern | 23 | Azadian, Shaunt (1513) | Won 2-1 | +181536 |
| 3modern | 369 | Andersen, Bryce (1544) | Won 2-0 | +181554 |
| 4modern | 200 | Brocksome, Kenneth (1550) | Won 2-0 | +181572 |
| 5modern | 80 | Howells, Drew (1732) | Lost 0-2 | -151557 |
| 6modern | 1190 | Tremblay, John (1564) | Lost 0-2 | -181539 |
| 7modern | 291 | Roti Roti, Joseph (1638) | Lost 1-2 | -161523 |
| average opponent: 1578record: 4-3 | new rating: 1523 | |||