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Individual Calculations January 2009 |
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| Tchigrachon, David Total change: -20.75 | |   |
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| Challenge Wawrzecki R1-2 | NPC | FRA | 2008-10-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1888 | 1814 | 1.00 | 1 | 0.60 | 25 | 15.00 | |
|  Franek, Jan | | | 1888 | FRA | 1.00 | 1 | 0.60 | 25 | 15.00 | |
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 - R1 | Various | FRA | 2008-10-18 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1930 | 1814 | 0.00 | 1 | -0.34 | 25 | -8.50 | |
|  Coupez, Stephane | | | 1930 | FRA | 0.00 | 1 | -0.34 | 25 | -8.50 | |
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) | | | | 23ème open international - Grand Prix du Touquet - B | Le Touquet Paris Plage | FRA | 2008-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1535 | 1814 | 0.00 | 1 | -0.84 | 25 | -21.00 | |
| | Gobeaut, Claudine | | | 1535 | FRA | 0.00 | 1 | -0.84 | 25 | -21.00 | |
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 |
| 2003 | 1814 | 0.00 | 1 | -0.25 | 25 | -6.25 | |
| | Peurton, Frederic | | | 2003 | FRA | 0.00 | 1 | -0.25 | 25 | -6.25 | |
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) | | |
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