Deffely, Fergus
Current rating: 1322
Record: 2-6-1 (GP) / 5-13-2 (professional)
| Grand Prix Manchester 2012 (DKA limited) | starting rating: 1348 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 432 | Timbs, Peter (1500) | Draw 1-1 | +31351 |
| 2sealed | 520 | Thoo, Ming Ken (1465) | Lost 0-2 | -161335 |
| 3sealed | 425 | Taylor, Charlie (1318) | Lost 0-1 | -181317 |
| 4sealed | 639 | Pybus, Samuel (1447) | Won 2-0 | +201337 |
| 5sealed | 606 | Gascoigne, Alexis (1478) | Lost 0-2 | -151322 |
| top | average opponent: 1442record: 1-3-1 | new rating: 1322 | ||
| Grand Prix London 2011 (MBS limited) | starting rating: 1374 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 54 | Coles, Garon M (1464) | Lost 0-2 | -171357 |
| 2sealed | 98 | Dellar, Martha (1482) | Won 2-0 | +211378 |
| 3sealed | 110 | Merlet, Cedric (1568) | Lost 0-2 | -151363 |
| 4sealed | 128 | Franco Junior, Cassiano (1530) | Lost 0-2 | -151348 |
| top | average opponent: 1511record: 1-3 | new rating: 1348 | ||
| Pro Tour Yokohama 2007 (Time Spiral block) | starting rating: 1411 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 50 | Doise, Jan (1951) | Lost 1-2 | -91402 |
| 2block | 108 | Alesi-Mullen, John (1532) | Lost 1-2 | -161386 |
| 3block | 157 | Borba, Rodrigo (1687) | Lost 0-2 | -121374 |
| top | average opponent: 1723record: 0-3 | new rating: 1374 | ||
| 1998 World Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 58 | Schneider, Justin (1500) | Lost 0-0 | -181482 |
| 2draft | 42 | Tesselaar, Han (1482) | Won 0-0 | +181500 |
| 3draft | 59 | Lee, Beng Hai (1500) | Won 0-0 | +181518 |
| 4draft | 47 | Chan, Feming (1569) | Lost 0-0 | -171501 |
| 5draft | 93 | Clarke, Nate (1485) | Lost 0-0 | -181483 |
| 6draft | 51 | Maioli, Douglas (1488) | Won 0-0 | +181501 |
| 7draft | 75 | Matsuo, Goro (1499) | Won 0-0 | +181519 |
| 8standard | 35 | Duynisveld, Marco (1520) | Lost 0-0 | -181501 |
| 9standard | 44 | Ishida, Itaru (1601) | Lost 0-0 | -161485 |
| 10standard | 66 | Laier, Peter (1483) | Lost 0-0 | -181467 |
| 11standard | 75 | Moungey, Jason (1483) | Draw 0-0 | 01467 |
| 12standard | 76 | Herms, Roc (1479) | Draw 0-0 | 01467 |
| 13standard | 81 | Weissman, Brian (1433) | Lost 0-0 | -191448 |
| 14standard | 86 | Rebagliati, Nicola (1429) | Lost 0-0 | -181430 |
| 15block | 91 | Figueiredo, Fernando (1395) | Won 0-0 | +171447 |
| 16block | 83 | Simpson, Mark (1449) | Lost 0-0 | -181429 |
| 17block | 88 | Hsieh, Frank (1411) | Lost 0-0 | -181411 |
| top | average opponent: 1483record: 5-10-2 | new rating: 1411 | ||