DeBoer, Benjamin
Current rating: 1380
| Grand Prix Minneapolis 2019 (modern) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 261 | Basso, Khalil (1407) | Lost 1-2 | -191412 |
| 2modern | 248 | Carter, Martin (1481) | Won 2-0 | +191431 |
| 3modern | 298 | Koehler, Johnnie (1500) | Lost 1-2 | -161415 |
| 4modern | 411 | Porras, Tony (1415) | Lost 1-2 | -181397 |
| 5modern | 371 | Cox, Michael (1465) | Lost 1-2 | -171380 |
| top | average opponent: 1454record: 1-4 | new rating: 1380 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 110 | Glanzer, Michael (1562) | Won 2-1 | +201463 |
| 2standard | 88 | Chen, Jimmy (1582) | Lost 1-2 | -161447 |
| 3standard | 428 | Lerner, Clark (1536) | Lost 0-2 | -161431 |
| 4standard | 449 | Howard, Hannah (1464) | Won 2-1 | +181449 |
| 5standard | 461 | Babcock, Gary (1413) | Lost 1-2 | -181431 |
| top | average opponent: 1511record: 2-3 | new rating: 1431 | ||
| Grand Prix Minneapolis 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 389 | Witte, Steve (1412) | Lost 0-2 | -201480 |
| 2standard | 389 | Cole, Austin (1486) | Lost 0-2 | -171463 |
| 3standard | 490 | Geary, Robert (1367) | Lost 1-2 | -201443 |
| top | average opponent: 1422record: 0-3 | new rating: 1443 | ||