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Individual Calculations January 2015 |
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| Erenberg, Ariel Total change: -34.60 | |   |
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| Liga Ilit Noar Tzafon 2014 Round 4-7 | various | ISR | 2014-11-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2004 | 2313 | 1.00 | 3 | -1.51 | 20 | -30.20 | |
|  Saadon, Netanel | | | 1913 * | ISR | 0.00 | 1 | -0.92 | 20 | -18.40 | |  Aharonovich, Itamar | | | 2186 | ISR | 0.00 | 1 | -0.67 | 20 | -13.40 | | | Stern, Uri | | | 1913 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | * 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) | | | | Petach Tikva International IM 2014 | Petach Tikva | ISR | 2014-12-14 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2312 | 2286 | 3.50 | 8 | -0.22 | 20 | -4.40 | |
| | Shnaider, David | | | 2240 | RUS | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Nisman, Boris I | m | | 2316 | RUS | 0.50 | 1 | 0.04 | 20 | 0.80 | | | Kantsler, Boris | g | | 2429 | ISR | 0.00 | 1 | -0.31 | 20 | -6.20 | | | Zalkind, Konstantin | f | | 2252 | ISR | 1.00 | 1 | 0.45 | 20 | 9.00 | | | Veinberg, Nimrod | f | | 2322 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Libman, Guy | | | 2290 | ISR | 1.00 | 1 | 0.51 | 20 | 10.20 | | | Shutzman, Joseph | f | | 2254 | USA | 0.00 | 1 | -0.54 | 20 | -10.80 | | | Nedobora, Mikhail | m | | 2392 | UKR | 0.50 | 1 | 0.14 | 20 | 2.80 | |
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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