Botelho, David
Current rating: 1428
| Grand Prix Seattle 2018 (legacy) (legacy) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 206 | Davisson, Zack (1500) | Won 2-0 | +201434 |
| 2legacy | 179 | Monfre, Dominic (1487) | Won 2-0 | +191453 |
| 3legacy | 141 | Li, Richard (1675) | Lost 1-2 | -141439 |
| 4legacy | 412 | Nicely, Cody (1456) | Lost 1-2 | -181421 |
| 5legacy | 395 | Swenson, Luke (1625) | Won 2-0 | +221443 |
| 6legacy | 449 | Goldstein, Max (1599) | Lost 1-2 | -151428 |
| top | average opponent: 1557record: 3-3 | new rating: 1428 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 382 | Bent, Tom (1482) | Lost 1-2 | -181463 |
| 2modern | 726 | Roybal, Dane (1667) | Lost 0-2 | -141449 |
| 3modern | 1068 | Doi, Derek (1430) | Lost 1-2 | -191430 |
| 4modern | 1023 | Jones, Brock (1535) | Lost 1-2 | -161414 |
| top | average opponent: 1529record: 0-4 | new rating: 1414 | ||
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Cantrell, Casey (1500) | Lost 0-2 | -181482 |
| 2standard | 595 | Vaughn, Steven (1482) | Lost 1-2 | -181464 |
| 3standard | 643 | Martinez, Samson (1414) | Won 2-0 | +171481 |
| 4standard | 569 | Robago, Cristian (1482) | Lost 0-2 | -181463 |
| 5standard | 595 | Boltz, Ashton (1464) | Won 2-0 | +181481 |
| top | average opponent: 1469record: 2-3 | new rating: 1481 | ||