Griebenow, Sam
Current rating: 1448
Record: 0-3
| Grand Prix Madison 2019 (WAR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 216 | Fox, Addison (1709) | Lost 0-2 | -141486 |
| 2sealed | 266 | Neciov, Andrei (1481) | Lost 1-2 | -181468 |
| 3sealed | 422 | Degner, Chris (1387) | Lost 0-2 | -201448 |
| average opponent: 1526record: 0-3 | new rating: 1448 | |||