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Individual Calculations February 2015 |
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| Betari, Abdelkrim Total change: -6.20 | |   |
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| Bois-Colombes Chess Master 2014 - Open B (-1900) | BOIS COLOMBES | FRA | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1567 | 1816 | 1.00 | 3 | -1.42 | 20 | -28.40 | |
|  Doisneau, Laurent | | | 1529 | FRA | 1.00 | 1 | 0.16 | 20 | 3.20 | |  Midavaine, Pierre | | | 1625 | FRA | 0.00 | 1 | -0.75 | 20 | -15.00 | | | Atmatzidis-Hatziris, Konstantino | | | 1547 | GRE | 0.00 | 1 | -0.83 | 20 | -16.60 | |
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) | | | | 227 open FIDE du club 608 (-2200 elo) | PARIS | FRA | 2015-01-03 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1923 | 1816 | 3.00 | 5 | 1.11 | 20 | 22.20 | |
| | Pozdnjakov, Evgueniy | | | 2168 | FRA | 0.00 | 1 | -0.11 | 20 | -2.20 | | | Renaudin, Rafael | | | 1769 | FRA | 1.00 | 1 | 0.43 | 20 | 8.60 | | | Motoyama, Enzo-Ryadh | | | 1574 | FRA | 1.00 | 1 | 0.20 | 20 | 4.00 | | | Ocana Lameiro, Oliver | | | 2024 | ESP | 1.00 | 1 | 0.77 | 20 | 15.40 | | | Lepot, Simon | | | 2082 | FRA | 0.00 | 1 | -0.18 | 20 | -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) | | |
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