Ciufo, Benjamin
Current rating: 1366
| Grand Prix Columbus 2019 (modern) | starting rating: 1408 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 40 | Smith, Andrew (1365) | Won 2-1 | +171425 |
| 2modern | 68 | Adinolfi, Vincent (1717) | Lost 1-2 | -121413 |
| 3modern | 196 | Frick, Larry (1501) | Lost 1-2 | -171396 |
| 4modern | 231 | Kabbe, Ilona (1506) | Lost 1-2 | -161380 |
| 5modern | 262 | Kruchkow, Jeffrey (1619) | Lost 0-2 | -141366 |
| top | average opponent: 1542record: 1-4 | new rating: 1366 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Connon, Jonathan (1500) | Lost 1-2 | -181481 |
| 2modern | 329 | Pace, Joe (1468) | Lost 0-2 | -181463 |
| 3modern | 517 | Talavera, Justin (1431) | Lost 1-2 | -191444 |
| 4modern | 556 | Constantinou, Evaggelos (1451) | Lost 0-2 | -181426 |
| 5modern | 514 | Goldstein, Steve (1419) | Lost 0-2 | -181408 |
| top | average opponent: 1454record: 0-5 | new rating: 1408 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 116 | Roman, Hector (1500) | Won 2-0 | +181518 |
| 2modern | 291 | Ma, Zhecheng (1517) | Lost 1-2 | -181500 |
| 3modern | 398 | Cullum, Mark (1593) | Lost 0-2 | -161484 |
| 4modern | 655 | Hoefer, Jacob (1483) | Won 2-1 | +181502 |
| 5modern | 358 | Geist, Tyler (1403) | Lost 0-2 | -201482 |
| 6modern | 474 | Byer, Jon (1498) | Draw 1-1 | 01482 |
| 7modern | 390 | Potrykus, Jason (1422) | Won 2-0 | +171499 |
| 8modern | 281 | Sayas, Heath (1506) | Won 2-0 | +181517 |
| 9modern | 205 | Chromulak, Jeffrey (1508) | Lost 0-2 | -181499 |
| top | average opponent: 1492record: 4-4-1 | new rating: 1499 | ||