Jefferson, Nigel
Current rating: 1429
Record: 2-3-1 (GP) / 2-6 (professional)
| Grand Prix London 2003 (Onslaught block) | starting rating: 1437 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 62 | Schmidtke, Tayfun-Marcel (1474) | Won 1-0 | +191456 |
| 3block | 1 | Bornarel, Nicolas (1831) | Lost 0-2 | -121444 |
| 4block | 116 | Zapata, Sebastien (1447) | Lost 1-2 | -181426 |
| 5block | 125 | Douet, Loic (1515) | Draw 1-1 | +21428 |
| 6block | 152 | McElcheran, Ian (1500) | Won 2-0 | +191447 |
| 7block | 112 | Faustino, Manuel (1461) | Lost 0-2 | -181429 |
| average opponent: 1538record: 2-3-1 | new rating: 1429 | |||
| 2000 European Championship (mixed) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 6 | Poussiere, Gilles (1554) | Lost 0-2 | -171483 |
| 2draft | 121 | Deery, Martin (1447) | Won 2-0 | +171500 |
| 3draft | 92 | Pascoli, Mario (1509) | Lost 0-2 | -181482 |
| 4draft | 111 | Makuz, Marco (1524) | Lost 0-2 | -171465 |
| 5draft | 127 | Baberowski, Dirk (1745) | Lost 0-2 | -131452 |
| 7standard | 119 | Koskimaki, Antti (1461) | Lost 1-2 | -181434 |
| 8standard | 130 | Torng, Christophe (1536) | Won 2-1 | +201454 |
| 9standard | 102 | Renko, Andrej (1498) | Lost 1-2 | -171437 |
| average opponent: 1534record: 2-6 | new rating: 1437 | |||