Mann, Jason
Current rating: 1411
Record: 7-13
| Grand Prix New Jersey 2019 (RNA limited) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 261 | Grant, Zachary (1616) | Lost 1-2 | -151423 |
| 2sealed | 398 | Kolpack, Andrew (1451) | Won 2-1 | +181441 |
| 3sealed | 451 | Schlott, James (1554) | Lost 0-2 | -161425 |
| 4sealed | 532 | Downing, Bruce (1605) | Lost 1-2 | -141411 |
| top | average opponent: 1556record: 1-3 | new rating: 1411 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 257 | Summers, Asher (1536) | Lost 0-2 | -161428 |
| 4sealed | 739 | Palmer, Jasmine (1521) | Lost 0-2 | -171411 |
| 5sealed | 770 | Kimmett, Roger (1500) | Lost 0-2 | -161395 |
| 6sealed | 880 | Dukes, Matthew (1487) | Won 2-1 | +201415 |
| 7sealed | 645 | Taylor, Ceri (1428) | Won 2-1 | +181433 |
| 8sealed | 642 | Pszczolkowski, Hubert (1644) | Won 2-1 | +221455 |
| 9sealed | 398 | Olesen, Mikkel (1503) | Lost 0-2 | -171438 |
| top | average opponent: 1517record: 3-4 | new rating: 1438 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 323 | Thomas, James (1508) | Lost 0-2 | -171465 |
| 2standard | 564 | Jones, Benjamin3182 (1482) | Won 2-0 | +181483 |
| 3standard | 676 | Carter, Patrick (1448) | Lost 0-2 | -181465 |
| 4standard | 622 | Ziovsky, Tomas (1401) | Lost 0-2 | -201445 |
| 5standard | 681 | Stevens, Charlotte (1397) | Won 2-1 | +181463 |
| 6standard | 554 | Wardman, Brian (1432) | Lost 1-2 | -191444 |
| top | average opponent: 1445record: 2-4 | new rating: 1444 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 556 | Stahli, Christoph (1520) | Won 2-0 | +181518 |
| 2standard | 672 | Nacsa, Zsofia (1521) | Lost 0-2 | -181500 |
| 3standard | 872 | Burke, Josh J (1500) | Lost 0-1 | -181482 |
| top | average opponent: 1514record: 1-2 | new rating: 1482 | ||