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Individual Calculations May 2015 |
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| Bykhovsky, Avigdor Total change: -5.70 | |   |
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| National Team Championship 2015 postponed match Round 6 | Tel Aviv | ISR | 2015-04-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2428 | 2416 | 0.50 | 1 | 0.02 | 10 | 0.20 | |
|  Bruk, Ofer | m | | 2428 | ISR | 0.50 | 1 | 0.02 | 10 | 0.20 | |
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) | | | | National Team Championship 2015 Round 9-10 | various | ISR | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2384 | 2416 | 0.50 | 2 | -0.59 | 10 | -5.90 | |
|  Vydeslaver, Alik | m | | 2400 | ISR | 0.50 | 1 | -0.02 | 10 | -0.20 | | | Kalka, Arkadius Georg | f | | 2368 | GER | 0.00 | 1 | -0.57 | 10 | -5.70 | |
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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