Leech, Brian
Current rating: 1533
| Grand Prix Vancouver 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 2218 | Grimm, Jason [CAN] (1500) | Lost 1-2 | -181482 |
| 2modern | 2427 | Dawson, Philip (1494) | Won 2-0 | +181500 |
| 3modern | 2402 | Funston, John (1483) | Won 2-1 | +181518 |
| 4modern | 2379 | Ochoa, Jasmin (1517) | Won 2-0 | +181536 |
| 5modern | 2177 | Fox, Jonah (1537) | Lost 1-2 | -181518 |
| 6modern | 2272 | Grauer, Peter (1588) | Lost 1-2 | -171501 |
| 7modern | 2495 | Gonzalez, Kevin (1631) | Won 2-1 | +211522 |
| 8modern | 2326 | Paquette, Aeo (2000) | Lost 0-2 | -101512 |
| 9modern | 2366 | Bernat, Michael (1677) | Won 2-1 | +211533 |
| top | average opponent: 1603record: 5-4 | new rating: 1533 | ||
| Grand Prix Charlotte 2016 (modern) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 547 | Harmon, Michael (1500) | Won 2-1 | +181498 |
| 2modern | 461 | Fieber, Kevin (1509) | Won 2-0 | +181516 |
| 3modern | 25 | Fulks, Franklin (1557) | Lost 0-2 | -171499 |
| 4modern | 520 | Phillips, Randy (1482) | Won 2-0 | +181517 |
| 5modern | 341 | Umberson, JD (1622) | Lost 0-2 | -161501 |
| 6modern | 535 | Harman, Henrique (1535) | Won 2-0 | +181519 |
| 7modern | 239 | Thompson, Robert (1331) | Lost 0-2 | -211498 |
| 8modern | 421 | Earls, Emory (1515) | Lost 0-2 | -181480 |
| 9modern | 486 | Deckert, Michael (1597) | Won 2-0 | +201500 |
| top | average opponent: 1516record: 5-4 | new rating: 1500 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1296 | Strait, Chris G (1500) | Won 2-1 | +181518 |
| 2modern | 1403 | Rogers, Christopher (1575) | Lost 1-2 | -171501 |
| 3modern | 1557 | Thies, Luke (1464) | Won 2-1 | +171518 |
| 4modern | 1347 | Wishon, Jacob (1517) | Lost 1-2 | -181500 |
| 5modern | 1275 | Gillette, Daniel (1495) | Lost 0-2 | -181482 |
| 6modern | 1349 | Doshi, Tejas (1429) | Won 2-1 | +171499 |
| 7modern | 1155 | Darragh, Joshua (1518) | Won 2-1 | +191518 |
| 8modern | 935 | Lilly, Sale (1562) | Lost 1-2 | -181500 |
| 9modern | 848 | Stanley, Christopher (1345) | Lost 1-2 | -201480 |
| top | average opponent: 1489record: 4-5 | new rating: 1480 | ||