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Individual Calculations July 2009 |
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| Jangwa, Valentin Total change: 24.30 | |   |
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| N4 - R6 | Various | FRA | 2009-03-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1707 | 1845 | 0.50 | 1 | -0.19 | 15 | -2.85 | |
|  Heitz, Robert | | | 1707 | FRA | 0.50 | 1 | -0.19 | 15 | -2.85 | |
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) | | | | 1st Chess Open Tour de Juvisy | Juvisy sur Orge | FRA | 2009-04-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1723 | 1830 | 2.50 | 3 | 0.65 | 15 | 9.75 | |
| | Humbert, Patrick | | | 1480 | FRA | 0.50 | 1 | -0.39 | 15 | -5.85 | |  Bernard, Marc-Olivier | | | 1670 | FRA | 1.00 | 1 | 0.29 | 15 | 4.35 | | | Belardello, Mario-Jovani | | | 2019 | FRA | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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) | | | | 32e open Victor Syre | Issy les Moulineaux | FRA | 2009-05-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1891 | 1830 | 2.50 | 6 | -0.05 | 15 | -0.75 | |
| | Mohammad Ghassemi, Vajieollah | | | 1726 | FRA | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Jacq, Philippe | | | 1773 | FRA | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Lode, Peter | | | 2029 | NED | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Arakelyan, Aram | | | 2069 | FRA | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Engel, Gerard | | | 1721 | FRA | 1.00 | 1 | 0.35 | 15 | 5.25 | | | Soupizon, Remi | | | 2029 | FRA | 0.00 | 1 | -0.24 | 15 | -3.60 | |
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) | | | | Open du Parc - La Fontaine A | Paris | FRA | 2009-05-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2027 | 1830 | 2.50 | 5 | 1.21 | 15 | 18.15 | |
| | Saunier, Serge | | | 1896 | FRA | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Belardello, Mario-Jovani | | | 2019 | FRA | 0.50 | 1 | 0.25 | 15 | 3.75 | | | Quenehen, Marc | | | 2083 | FRA | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Brault, Julien | | | 1955 | FRA | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Song, Julien | f | | 2180 | FRA | 0.00 | 1 | -0.11 | 15 | -1.65 | |
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) | | |
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