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Individual Calculations January 2009 |
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| Aharon, Ofir Total change: 23.85 | |   |
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| World Youth Chess Championships 2008 - Open 18 | Vung Tau | VIE | 2008-10-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2241 | 2118 | 3.50 | 10 | 0.07 | 15 | 1.05 | |
|  Ludwig, Daniel | | | 2400 | USA | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Ponizil, Cyril | f | | 2251 | CZE | 1.00 | 1 | 0.68 | 15 | 10.20 | |  Rasulov, Vugar | f | | 2384 | AZE | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Schiendorfer, Emanuel | | | 2238 | SUI | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Rosberg, Simon | | | 2222 | SWE | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Getz, Nicolai | | | 2176 | NOR | 0.00 | 1 | -0.42 | 15 | -6.30 | | | Dissanayake, R S | | | 2063 | SRI | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Kaisar, Jenius Hakiki | | | 2185 | INA | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Biryukov, Mikhail | f | | 2280 | RUS | 0.50 | 1 | 0.21 | 15 | 3.15 | | | Posedaru, Bogdan | | | 2212 | ROU | 0.50 | 1 | 0.13 | 15 | 1.95 | |
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) | | | | Israel National Champ 2008 Finals | Haifa | ISR | 2008-11-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2294 | 2118 | 4.00 | 9 | 1.52 | 15 | 22.80 | |
| | Caspi, Israel | m | | 2408 | ISR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Kaplivatski, Alexander | | | 2286 | ISR | 1.00 | 1 | 0.72 | 15 | 10.80 | | | Prozhanski, Genrik | | | 2316 | ISR | 0.00 | 1 | -0.24 | 15 | -3.60 | | | Baron, Tal | f | | 2299 | ISR | 0.00 | 1 | -0.26 | 15 | -3.90 | | | Zak, Uri | | | 2205 | ISR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Miller, Evgeny | | | 2291 | CAN | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Vovinkina, Natalia | | | 2147 | ISR | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Chernomordik, Pavel | f | | 2302 | ISR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Popilski, Gil | c | | 2394 | ISR | 0.50 | 1 | 0.33 | 15 | 4.95 | |
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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