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Individual Calculations April 2008 |
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| Pettersen, Joar Total change: -20.10 | |   |
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| GibTelecom Challengers 1 | Gibraltar | ENG | 2008-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2055 | 2026 | 2.00 | 5 | -0.32 | 15 | -4.80 | |
|  Compton, Alistair | | | 2132 | NZL | 0.50 | 1 | 0.14 | 15 | 2.10 | |  Hamer, Martyn | | | 1962 | ENG | 0.00 | 1 | -0.59 | 15 | -8.85 | | | Kandic, Milan | | | 2238 | SRB | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Hickman, John E | | | 2009 | ENG | 0.00 | 1 | -0.52 | 15 | -7.80 | | | Helin, Mikael | | | 1935 | SWE | 1.00 | 1 | 0.38 | 15 | 5.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | GibTelecom Masters | Gibraltar | ENG | 2008-01-22 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2239 | 2026 | 1.00 | 7 | -0.66 | 15 | -9.90 | |
| | Spence, David J | | | 2198 | ENG | 0.00 | 1 | -0.27 | 15 | -4.05 | | | Foisor, Sabina-Francesca | | wg | 2376 | ROU | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Bradford, Joseph | m | | 2376 | USA | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Lazarus, Ben | | | 2143 | AUS | 0.50 | 1 | 0.16 | 15 | 2.40 | | | Nadig, Kruttika | | wm | 2208 | IND | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Kulago, Alexander | | | 2206 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Erichsen, Dan | | | 2169 | DEN | 0.00 | 1 | -0.31 | 15 | -4.65 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | GibTelecom Challengers 2 | Gibraltar | ENG | 2008-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2054 | 2026 | 1.50 | 4 | -0.36 | 15 | -5.40 | |
| | Kvisla, Johannes | | | 2130 | NOR | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Schmidt, Ralf | | | 2195 | GER | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Gravett, Alan | | | 1955 | ENG | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Helin, Mikael | | | 1935 | SWE | 1.00 | 1 | 0.38 | 15 | 5.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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