Kosma, Joe
Current rating: 1483
| Grand Prix London 2016 (KLD limited) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 573 | Gurney, James (1589) | Lost 0-2 | -171519 |
| 3sealed | 626 | Schwaiger, Benjamin (1440) | Lost 0-2 | -201499 |
| 4sealed | 825 | Kent, Declan (1436) | Lost 0-2 | -191480 |
| 5sealed | 1037 | Rees, Alastair (1620) | Won 2-1 | +211501 |
| 6sealed | 932 | Llinares, Leo (1519) | Lost 0-2 | -181483 |
| top | average opponent: 1521record: 1-4 | new rating: 1483 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1488 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 215 | Wilson, James [ENG] (1483) | Lost 0-2 | -181470 |
| 2standard | 499 | McNally, Graham (1471) | Won 2-0 | +181488 |
| 3standard | 575 | Foster, Richard (1398) | Won 2-0 | +161504 |
| 4standard | 388 | Vilhjalmsson, Ingimundur (1509) | Lost 1-2 | -181486 |
| 5standard | 447 | Robinson, Thomas (1558) | Won 2-0 | +191505 |
| 6standard | 275 | Wagner, Rob C (1748) | Won 2-1 | +231528 |
| 7standard | 302 | Holland, Shea (1412) | Lost 0-2 | -201508 |
| 8standard | 304 | Roberts, Martin (1516) | Won 2-1 | +181526 |
| 9standard | 271 | Minahan, Keane (1573) | Won 2-0 | +191545 |
| 10standard | 146 | Savage, Jason (1629) | Won 2-1 | +191564 |
| 11standard | 94 | Kazanskis, Viktors (1823) | Won 2-1 | +231587 |
| 12standard | 101 | Noorlander, Mark (1612) | Lost 0-2 | -181569 |
| 13standard | 111 | Papadopoulos, Nicolas (1648) | Lost 0-2 | -161553 |
| 14standard | 154 | Verbiest, Bart (1619) | Lost 0-2 | -171536 |
| top | average opponent: 1571record: 8-6 | new rating: 1536 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Bond, Kevin (1435) | Won 2-0 | +171517 |
| 2standard | 63 | Vize, Damion (1518) | Won 2-1 | +181535 |
| 3standard | 196 | Ward, Jonathan (1537) | Lost 0-2 | -181517 |
| 4standard | 174 | Barnetson, Edward (1303) | Lost 0-2 | -221495 |
| 5standard | 355 | Farnham, Scott (1498) | Won 2-0 | +181513 |
| 6standard | 283 | Glenister, Mark (1787) | Lost 0-2 | -131500 |
| 7standard | 252 | Andrieu, Thibault (1665) | Won 2-1 | +211521 |
| 8standard | 169 | Montefiori, Giovanni (1681) | Lost 1-2 | -151506 |
| 9standard | 189 | Hilmarsson, Daniel (1500) | Lost 0-2 | -181488 |
| top | average opponent: 1547record: 4-5 | new rating: 1488 | ||