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Individual Calculations September 2021 |
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| Karis, Fredi Total change: -82.80 | |   |
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| KERES AMATEUR CLASSIC OPEN 2021 | Parnu | EST | 2021-08-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1367 | 1188 | 0.50 | 5 | -1.00 | 40 | -40.00 | |
|  Medar, Marti | | | 1588 * | EST | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Tomson, Mikk | | | 1440 | EST | 0.00 | 1 | -0.19 | 40 | -7.60 | | | Rosental, Urmas | | | 1489 | EST | 0.50 | 1 | 0.35 | 40 | 14.00 | |  Koosel, Hans-Georg | | | 1226 | EST | 0.00 | 1 | -0.45 | 40 | -18.00 | | | Schneider, Uku | | | 1093 | EST | 0.00 | 1 | -0.63 | 40 | -25.20 | | | * 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) | | | | Estonian -U12 Youth Championships - 2021 | Tallinn | EST | 2021-08-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1179 | 1188 | 1.50 | 5 | -1.07 | 40 | -42.80 | |
| | Snitsarenko, Ilja | | | 1162 | EST | 0.50 | 1 | -0.04 | 40 | -1.60 | | | Dukov, Vladimir | | | 1157 | EST | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Oim, Mikk Kaarel | | | 1180 | EST | 1.00 | 1 | 0.49 | 40 | 19.60 | | | Cherentsov, Mikhail | | | 1161 | EST | 0.00 | 1 | -0.54 | 40 | -21.60 | | | Rajandu, Aaron | | | 1233 | EST | 0.00 | 1 | -0.44 | 40 | -17.60 | |
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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