Stephenson, Calum
Current rating: 1498
Record: 15-15-1 (GP) / 8-10 (professional)
| Grand Prix Brighton 2009 (M10 limited) | starting rating: 1474 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 40 | Cheshire, Jeffrey (1503) | Won 2-1 | +181492 |
| 2sealed | 114 | Lovell, Richard (1488) | Lost 1-2 | -181474 |
| 3sealed | 154 | Rodriguez, Mariano (1450) | Lost 1-2 | -181456 |
| 4sealed | 305 | Pemberton, Phil (1483) | Won 2-0 | +181474 |
| 5sealed | 233 | Bjornerud, Sveinung (1614) | Won 2-1 | +211495 |
| 6sealed | 152 | Boyko, Andrey (1591) | Won 2-0 | +191514 |
| 7sealed | 126 | Trallero, Ivan (1621) | Lost 0-2 | -161498 |
| top | average opponent: 1536record: 4-3 | new rating: 1498 | ||
| Grand Prix Birmingham 2008 (Lorwyn block) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 174 | Knight, Mark (1527) | Won 2-1 | +181508 |
| 2block | 61 | Henderson, Graham (1518) | Won 2-1 | +181526 |
| 3block | 1 | Southcott, Guy (1517) | Lost 1-2 | -181508 |
| 4block | 123 | Robyn, Nick (1571) | Lost 0-2 | -171491 |
| 5block | 183 | Darbaz, Burak (1500) | Lost 1-2 | -171474 |
| top | average opponent: 1527record: 2-3 | new rating: 1474 | ||
| 2006 World Championship (mixed) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 8 | Carrizo, Isauro (1463) | Won 2-1 | +171520 |
| 2standard | 76 | Stark, Ben S (1916) | Lost 1-2 | -111509 |
| 3standard | 114 | Duport, Olivier (1515) | Lost 1-2 | -181491 |
| 4standard | 103 | Stein, Sam (1748) | Won 2-1 | +231514 |
| 5standard | 95 | Brenes, Jose Miguel (1518) | Lost 1-2 | -181496 |
| 6standard | 94 | Inoue, Sean (1683) | Lost 0-2 | -151481 |
| 7draft | 125 | Fourmas, Romain (1472) | Won 2-0 | +181499 |
| 8draft | 110 | Boll, Soren (1601) | Lost 1-2 | -161483 |
| 9draft | 121 | Bernabe, Julio (1492) | Lost 1-2 | -181465 |
| 10draft | 119 | Sisask, Erkki (1553) | Lost 1-2 | -161449 |
| 11draft | 19 | Milevski, Miki (1459) | Won 2-0 | +181467 |
| 12draft | 137 | Tan, Alvin Jia-Huei (1457) | Lost 0-2 | -181449 |
| 13extended | 150 | Valis, Filip (1582) | Lost 1-2 | -161433 |
| 14extended | 152 | Fuentes Lopez, Mario J (1434) | Won 2-0 | +181451 |
| 15extended | 145 | Filippini, Gianluca (1463) | Won 2-0 | +181469 |
| 16extended | 131 | Blanc, Regis (1536) | Won 2-1 | +191488 |
| 17extended | 115 | Braymore, Nathon (1575) | Won 2-1 | +201508 |
| 18extended | 105 | Encelle, Fabrice (1487) | Lost 1-2 | -181490 |
| top | average opponent: 1553record: 8-10 | new rating: 1490 | ||
| Grand Prix Paris 2004 (COK limited) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 173 | Vondracek, Zdenek (1545) | Lost 0-2 | -171506 |
| 2sealed | 285 | Gouilhers, Benoit (1480) | Won 2-0 | +171523 |
| 3sealed | 181 | Loublier, Michael (1390) | Lost 1-2 | -201503 |
| top | average opponent: 1472record: 1-2 | new rating: 1503 | ||
| Grand Prix Birmingham 2004 (DST limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 173 | Arrowsmith, Martin (1500) | Won 2-1 | +181536 |
| 2sealed | 83 | Lauriol, Sylvain (1798) | Won 2-0 | +221558 |
| 3sealed | 50 | Bornarel, Nicolas (1789) | Won 2-1 | +221580 |
| 4sealed | 36 | Gerards, Remco (1484) | Lost 1-2 | -191561 |
| 5sealed | 68 | Verhulst, Johan (1569) | Lost 1-2 | -181543 |
| 6sealed | 112 | Schrottner, Gerald (1461) | Lost 0-2 | -201523 |
| top | average opponent: 1600record: 3-3 | new rating: 1523 | ||
| Grand Prix London 2003 (Onslaught block) | starting rating: 1478 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 2 | Pischinger, Peter (1502) | Lost 1-2 | -171461 |
| 2block | 157 | Verlinden, Stefaan (1493) | Won 2-0 | +181479 |
| 3block | 141 | Papamatheakis, Demosthenes (1448) | Won 2-0 | +181497 |
| 4block | 141 | Smulders, Nick (1518) | Won 2-1 | +181515 |
| 5block | 103 | Schwarzbock, Benjamin (1520) | Won 2-1 | +181533 |
| 6block | 33 | Clays, Mats (1635) | Lost 0-2 | -161517 |
| 7block | 85 | O'Keeffe, Simon P (1536) | Won 2-0 | +181535 |
| 8block | 33 | Verdebout, Thomas (1569) | Lost 0-2 | -171518 |
| top | average opponent: 1528record: 5-3 | new rating: 1518 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 199 | Goldberg, Jozef (1451) | Draw 1-1 | -11499 |
| 2block | 167 | Blommaert, Lieven (1331) | Lost 0-2 | -211478 |
| top | average opponent: 1391record: 0-1-1 | new rating: 1478 | ||