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Individual Calculations January 2009 |
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| Letertre, Arnaud Total change: 1.25 | |   |
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| Open RETIF 2008-2009 (Ch dept Loire Atlantique) - 1 | Getigne | FRA | 2008-10-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1765 | 1919 | 2.00 | 2 | 0.61 | 25 | 15.25 | |
|  Gerfault, Pascal | | | 1674 | FRA | 1.00 | 1 | 0.20 | 25 | 5.00 | |  Poulain, Yves | | | 1855 | FRA | 1.00 | 1 | 0.41 | 25 | 10.25 | |
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) | | | | N4 - R1 | Various | FRA | 2008-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1980 | 1919 | 0.50 | 1 | 0.08 | 25 | 2.00 | |
| | Cristescu, Florin | | | 1980 | ROU | 0.50 | 1 | 0.08 | 25 | 2.00 | |
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) | | | | N4 - R2 | Various | FRA | 2008-11-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1819 | 1919 | 0.00 | 1 | -0.64 | 25 | -16.00 | |
| | Mollard, Alain | | | 1819 | FRA | 0.00 | 1 | -0.64 | 25 | -16.00 | |
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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