O'Donnell, Tim
Current rating: 1471
Record: 8-9-1 (GP) / 6-11 (professional)
| Grand Prix Copenhagen 2002 (ONS rochester) | starting rating: 1458 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 21 | Johansen, Thomas (1624) | Lost 1-2 | -151443 |
| 5sealed | 102 | Jensen, Niels Sanders (1685) | Lost 0-2 | -141429 |
| 6sealed | 117 | Enzenhofer, Andreas (1574) | Draw 1-1 | +31432 |
| 7sealed | 101 | Norgaard, Mikkel (1516) | Won 2-0 | +201452 |
| 8sealed | 70 | Deinert, Sascha (1536) | Won 2-1 | +191471 |
| top | average opponent: 1587record: 2-2-1 | new rating: 1471 | ||
| Grand Prix London 2002 (Odyssey block) | starting rating: 1409 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 163 | Middleton, Gareth (1500) | Lost 0-2 | -161393 |
| 2block | 257 | Hunziker, Gerd (1540) | Won 2-0 | +211414 |
| 3block | 121 | Brenner, Gunther (1569) | Lost 1-2 | -151399 |
| 4block | 237 | McBurney, Colin (1465) | Won 2-0 | +191418 |
| 5block | 218 | Ronaldson, Luke (1571) | Won 2-1 | +211439 |
| 6block | 133 | Jones, Kerry (1521) | Won 2-0 | +191458 |
| top | average opponent: 1528record: 4-2 | new rating: 1458 | ||
| Pro Tour Nice 2002 (TOR draft) | starting rating: 1394 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 130 | Price, David (1803) | Lost 0-2 | -111383 |
| 2draft | 92 | Asquini, Alessandro (1614) | Won 2-0 | +221405 |
| 3draft | 61 | Hovi, Tommi (2015) | Won 2-1 | +281433 |
| 4draft | 34 | Cornelissen, Kamiel (2041) | Lost 0-2 | -81425 |
| 5draft | 147 | Tenenbaum, Amiel (1566) | Lost 1-2 | -161409 |
| top | average opponent: 1808record: 2-3 | new rating: 1409 | ||
| Grand Prix London 2001 (Invasion block) | starting rating: 1406 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 54 | Thearle, Chris (1500) | Lost 0-2 | -161390 |
| 3block | 196 | Beguin, Benoit (1536) | Won 2-1 | +211411 |
| 4block | 109 | Ball, David H (1481) | Lost 1-2 | -171394 |
| top | average opponent: 1506record: 1-2 | new rating: 1394 | ||
| 2001 European Championship (mixed) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 53 | Domaszewski, Krzysztof (1500) | Lost 0-2 | -181447 |
| 2standard | 76 | Kuosmanen, Olavi (1484) | Lost 0-2 | -171430 |
| 3standard | 122 | Rosso, Daniele (1502) | Lost 0-2 | -171413 |
| 4standard | 124 | Chung, Wai-Sing (Jimmy) (1433) | Won 2-0 | +191432 |
| 5standard | 119 | Ronaldson, Ivan (1414) | Lost 1-2 | -191413 |
| 6standard | 115 | Ronaldson, Ben (1618) | Won 2-0 | +221435 |
| 7standard | 95 | Coghlan, David (1471) | Lost 0-2 | -171418 |
| 8rochester | 128 | Genders, Bart (1626) | Lost 0-2 | -151403 |
| 10rochester | 51 | Delvaux, Charles (1446) | Won 2-0 | +191422 |
| 11rochester | 62 | Cox, Simon (1481) | Won 2-0 | +191441 |
| 12rochester | 19 | Areliusarson, Arelius (1310) | Lost 0-2 | -201421 |
| 13rochester | 47 | Edbury, Richard (1611) | Lost 0-2 | -151406 |
| top | average opponent: 1491record: 4-8 | new rating: 1406 | ||
| Grand Prix Tours 1999 (MMQ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 151 | Devos, Carl (1540) | Won 2-0 | +191519 |
| 2sealed | 128 | Le Roy, Ronan (1518) | Lost 0-2 | -181501 |
| 3sealed | 167 | Bouet, Mickael (1500) | Lost 0-2 | -181483 |
| 4sealed | 226 | Sousa, Joao (1482) | Lost 0-2 | -181465 |
| top | average opponent: 1510record: 1-3 | new rating: 1465 | ||