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Individual Calculations May 2019 |
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| Poelstra, Ben Total change: -43.40 | |   |
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| Dutch Team Competition 2018-2019 Klasse 3B Round 8 | various | NED | 2019-04-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2003 | 2022 | 0.00 | 1 | -0.53 | 20 | -10.60 | |
|  Wennink, Mart | | | 2003 | NED | 0.00 | 1 | -0.53 | 20 | -10.60 | |
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) | | | | 17e Open international de Malakoff | MALAKOFF | FRA | 2019-04-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1664 | 2022 | 5.50 | 8 | -1.64 | 20 | -32.80 | |
|  Weisz, Jacques | | | 1743 | FRA | 0.00 | 1 | -0.84 | 20 | -16.80 | | | Dupont, Jonathan | | | 1674 | FRA | 0.50 | 1 | -0.39 | 20 | -7.80 | | | Giblin, Martin | | | 1622 * | FRA | 0.00 | 1 | -0.92 | 20 | -18.40 | | | Sere, Frederic | | | 1622 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Charghinoff, Ayuka | | | 1622 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Martinez, Alberto | | | 1622 * | FRA | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Mostefai, Malik | | | 1644 | FRA | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Rosenfeld, Imre | | | 1761 | FRA | 1.00 | 1 | 0.18 | 20 | 3.60 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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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