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Individual Calculations April 2008 |
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| Portnoy, Mikhail Total change: -18.60 | |   |
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| ISR 2nd League North 2007 | Various | ISR | 2007-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2209 | 2138 | 2.00 | 8 | -1.24 | 15 | -18.60 | |
|  Leopold, Shilo | | | 2092 | ISR | 0.00 | 1 | -0.56 | 15 | -8.40 | | | Shabodash, Boris | | | 2268 | ISR | 0.00 | 1 | -0.32 | 15 | -4.80 | |  Oslon, Alexander | | | 2341 | ISR | 1.00 | 1 | 0.76 | 15 | 11.40 | | | Fish, Alexander | | | 2119 | ISR | 0.00 | 1 | -0.53 | 15 | -7.95 | | | Lacht, Gregory | | | 2204 | ISR | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Volman, Horacio | | | 2164 | ISR | 0.50 | 1 | 0.04 | 15 | 0.60 | | | Beider, Alexander | | | 2301 | RUS | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Lambarski, Alexander | | | 2180 | ISR | 0.00 | 1 | -0.44 | 15 | -6.60 | |
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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