Burdick, John
Current rating: 1330
| Grand Prix Memphis 2019 (RNA standard) | starting rating: 1378 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 32 | Vines, Jeremy (1579) | Lost 0-2 | -141364 |
| 2standard | 261 | Leonard, Tristan (1484) | Lost 1-2 | -161348 |
| 3standard | 450 | Davis, Tyler (1376) | Lost 0-2 | -181330 |
| top | average opponent: 1480record: 0-3 | new rating: 1330 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1427 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 129 | Letourneau, Maria (1500) | Lost 0-2 | -171410 |
| 2standard | 477 | June, James (1482) | Lost 0-2 | -161394 |
| 3standard | 650 | Wood, John (1525) | Lost 0-2 | -161378 |
| top | average opponent: 1502record: 0-3 | new rating: 1378 | ||
| Grand Prix Atlanta 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 995 | Towles, Matthew (1500) | Lost 0-2 | -181482 |
| 2sealed | 1103 | Barboza, Carlos (1483) | Won 2-1 | +181500 |
| 3sealed | 917 | Dilley, Nathan (1566) | Lost 1-2 | -171483 |
| 4sealed | 1170 | Wang, Max (1589) | Lost 1-2 | -161467 |
| 5sealed | 1197 | Von Dran, Xavier (1468) | Lost 0-2 | -181449 |
| 6sealed | 1153 | Pelchuck, Emmi (1211) | Lost 0-2 | -221427 |
| top | average opponent: 1469record: 1-5 | new rating: 1427 | ||