Centofanti, David
Current rating: 1518
| Grand Prix San Diego 2015 (ORI standard) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 452 | Waxer, Nathan (1741) | Lost 0-2 | -151539 |
| 2standard | 538 | Lizarraga, Raziel (1467) | Won 2-0 | +171556 |
| 3standard | 429 | Cruz, Ryan (1535) | Lost 1-2 | -191537 |
| 4standard | 610 | Rizzonelli, Nicholas (1481) | Lost 0-2 | -191518 |
| top | average opponent: 1556record: 1-3 | new rating: 1518 | ||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1552 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 305 | Moline, David (1545) | Lost 0-2 | -181534 |
| 4standard | 447 | Nelson, Eric (1536) | Lost 1-2 | -181516 |
| 5standard | 625 | Mostarac, Demetre (1526) | Won 2-0 | +181534 |
| 6standard | 344 | Blair, Christopher (1517) | Won 2-0 | +181552 |
| 7standard | 269 | Neigel, Barrett (1667) | Won 2-1 | +201572 |
| 8standard | 141 | Sison, Jossle (1559) | Lost 0-2 | -181554 |
| top | average opponent: 1558record: 3-3 | new rating: 1554 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 207 | Gates, Zach (1500) | Lost 0-2 | -181482 |
| 2standard | 495 | Custodio, Anthony (1431) | Won 2-1 | +171499 |
| 3standard | 487 | Bourlier, Brandon (1501) | Won 2-0 | +181517 |
| 4standard | 402 | Gamez, Alexander (1470) | Won 2-1 | +171534 |
| 5standard | 120 | LaVassaur, Chris (1390) | Won 2-0 | +161550 |
| 6standard | 163 | Dufek, Jacob (1555) | Lost 0-2 | -181532 |
| 7standard | 267 | Hawkinson, Ernie (1509) | Won 2-1 | +171549 |
| 8standard | 73 | Nielson, Hayden (1553) | Won 2-1 | +181567 |
| 9standard | 87 | Morphis, James (1703) | Lost 0-2 | -151552 |
| top | average opponent: 1512record: 6-3 | new rating: 1552 | ||