Johnston, Jay
Current rating: 1494
| Grand Prix Kansas City 2019 (WAR standard) | starting rating: 1487 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Sachsman, Jonathan (1500) | Won 2-0 | +181505 |
| 2standard | 92 | Rice, Joseph (1442) | Won 2-0 | +171522 |
| 3standard | 40 | Hembree, Ethan (1555) | Lost 0-2 | -171505 |
| 4standard | 36 | McDaniel, Charles (1723) | Won 0-0 | +221527 |
| 5standard | 95 | Nelson, Brandon (1832) | Lost 0-2 | -131514 |
| 6standard | 180 | Ward, Sean (1399) | Lost 0-2 | -201494 |
| top | average opponent: 1575record: 3-3 | new rating: 1494 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 210 | Kaplan, Yohay (1601) | Won 2-0 | +201502 |
| 4standard | 100 | Cotter, Andrew (1696) | Lost 0-2 | -141488 |
| 5standard | 274 | Carrier, Jared (1718) | Won 0-0 | +221510 |
| 6standard | 174 | Waechter, Casey (1520) | Lost 1-2 | -181492 |
| 7standard | 143 | Ochoa, David (1871) | Lost 1-2 | -121480 |
| 8standard | 294 | Moline, David (1513) | Won 2-0 | +191499 |
| 9standard | 253 | Maliszewski, Nathannael (1853) | Lost 0-2 | -121487 |
| top | average opponent: 1682record: 3-4 | new rating: 1487 | ||
| Grand Prix Denver 2015 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 174 | Rees, Brian (1500) | Lost 0-2 | -181482 |
| 2standard | 601 | Vasquez, Jermery (1482) | Lost 0-2 | -181464 |
| 3standard | 721 | Jones, Michael D (1461) | Lost 0-2 | -181446 |
| 4standard | 692 | Darden, Dwight (1447) | Lost 0-2 | -181428 |
| 5standard | 618 | Wehrli, Jackson (1428) | Won 2-1 | +181446 |
| 6standard | 503 | Woods, Schylar (1445) | Won 2-0 | +181464 |
| 7standard | 402 | Alonzo, Anthony (1463) | Won 2-0 | +181482 |
| 8standard | 299 | Cloud, Dakota (1480) | Won 2-0 | +181500 |
| 9standard | 217 | Bothwell, Michael (1500) | Lost 0-2 | -181482 |
| top | average opponent: 1467record: 4-5 | new rating: 1482 | ||