Simpson-Black, Mark
Current rating: 1487
Record: 11-13
| Grand Prix Tampa Bay 2019 (modern) | starting rating: 1449 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 255 | Eaton, Theodore (1500) | Won 2-0 | +191468 |
| 2modern | 14 | Maxwell, Justin (1466) | Lost 0-2 | -181450 |
| 3modern | 248 | Vance, Brandon R (1447) | Lost 0-2 | -181432 |
| 4modern | 320 | DellaBella, Nicholas (1482) | Won 2-1 | +191451 |
| 5modern | 222 | Brunswick, Phillip (1449) | Won 2-1 | +181469 |
| 6modern | 268 | Whitehead, Rennard (1494) | Won 2-0 | +181487 |
| 7modern | 149 | Quintero, Pedro (1420) | Won 2-0 | +171504 |
| 8modern | 78 | Martinez, Efrain (1558) | Lost 0-2 | -171487 |
| top | average opponent: 1477record: 5-3 | new rating: 1487 | ||
| Grand Prix Miami 2015 (FRF standard) | starting rating: 1454 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 156 | Gray, Steven (1670) | Won 2-1 | +221476 |
| 2standard | 139 | Holmes, Trevor (1593) | Lost 1-2 | -161460 |
| 3standard | 327 | Lopez, Jesse (1486) | Won 2-0 | +181478 |
| 4standard | 196 | Mendez, Daniel (1509) | Lost 1-2 | -171461 |
| 5standard | 354 | Melamed, Jonathan (1822) | Lost 0-2 | -121449 |
| top | average opponent: 1616record: 2-3 | new rating: 1449 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 254 | Knapp, Hans (1617) | Lost 0-2 | -161472 |
| 2standard | 321 | Barker, Robert H (1432) | Lost 0-2 | -181454 |
| top | average opponent: 1525record: 0-2 | new rating: 1454 | ||
| Grand Prix Atlanta 2012 (legacy) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 63 | Mitchum, Benji (1487) | Lost 0-2 | -181468 |
| 3legacy | 172 | Tidd, Brendan (1465) | Won 2-0 | +181486 |
| 4legacy | 260 | Martin, Justin (1510) | Won 2-1 | +181504 |
| 5legacy | 105 | Belfatto, Michael (1627) | Won 2-0 | +211525 |
| 6legacy | 132 | Lear, Tanner (1470) | Lost 1-2 | -191506 |
| 7legacy | 156 | Hunn, Alexander (1538) | Lost 1-2 | -181488 |
| top | average opponent: 1516record: 3-3 | new rating: 1488 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 150 | Beaumont, Ben (1467) | Won 2-1 | +171517 |
| 3sealed | 26 | Cordell, Robbie (1769) | Lost 0-2 | -131504 |
| 4sealed | 218 | Edgington, Andrew (1503) | Lost 0-2 | -181486 |
| top | average opponent: 1580record: 1-2 | new rating: 1486 | ||