Bach, San
Current rating: 1515
| Grand Prix Richmond 2018 (std) (M19 standard) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 20 | Gellis, Dylan (1739) | Won 2-1 | +221507 |
| 4standard | 51 | Montoya, Brandon (1876) | Lost 0-2 | -111496 |
| 5standard | 119 | Barkon, Daniel (1785) | Won 2-1 | +231519 |
| 6standard | 93 | Williams, Sam (1556) | Lost 0-2 | -171502 |
| 7standard | 81 | Stanley, Robert (1862) | Won 2-1 | +241526 |
| 8standard | 53 | Snook, Adam (1937) | Lost 0-2 | -111515 |
| top | average opponent: 1792record: 3-3 | new rating: 1515 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1452 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 452 | Thompson, Ryan (1493) | Lost 0-2 | -171435 |
| 2standard | 509 | Carter, Jonathan (1466) | Won 2-0 | +181453 |
| 3standard | 616 | Chase, John (1610) | Won 2-0 | +211474 |
| 4standard | 362 | Blanco Ramos, Javier (1533) | Won 2-1 | +191493 |
| 5standard | 282 | Sasser, Drake (1733) | Lost 0-2 | -131480 |
| 6standard | 372 | Robdrup, Andy (1744) | Won 2-1 | +221502 |
| 7standard | 162 | Melissari III, John (1542) | Won 2-0 | +191521 |
| 8standard | 174 | Keates, Jason (1550) | Lost 1-2 | -171504 |
| 9standard | 197 | Rogers, Christopher (1463) | Lost 1-2 | -191485 |
| top | average opponent: 1571record: 5-4 | new rating: 1485 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 714 | Dinneen, Sean (1424) | Lost 0-2 | -191481 |
| 2sealed | 1007 | Fulgium, James (1922) | Lost 0-2 | -111470 |
| 3sealed | 1237 | Crisostomo, John (1466) | Lost 0-2 | -181452 |
| top | average opponent: 1604record: 0-3 | new rating: 1452 | ||