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Individual Calculations May 2015 |
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| Kobo, Ori Total change: -9.80 | |   |
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| Israel Youth Championship Under 18 - 2015 | Ayanot | ISR | 2015-03-29 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2167 | 2416 | 4.00 | 7 | -1.48 | 10 | -14.80 | |
|  Ofir, Eran | | | 2108 | ISR | 1.00 | 1 | 0.14 | 10 | 1.40 | |  Brenner, Stav | | | 2016 * | ISR | 0.50 | 1 | -0.42 | 10 | -4.20 | | | Tartakovsky, Daniel | | | 2092 | ISR | 1.00 | 1 | 0.13 | 10 | 1.30 | | | Reshef, Omer | f | | 2400 | ISR | 0.00 | 1 | -0.52 | 10 | -5.20 | | | Grinberg, Eyal | | | 2261 | ISR | 0.00 | 1 | -0.71 | 10 | -7.10 | | | Aharonovich, Itamar | | | 2279 | ISR | 0.50 | 1 | -0.18 | 10 | -1.80 | | | Yerushalmi, Eran | | | 2016 * | ISR | 1.00 | 1 | 0.08 | 10 | 0.80 | | | * 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) | | | | National Team Championship 2015 Round 9-10 | various | ISR | 2015-04-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2426 | 2425 | 1.50 | 2 | 0.50 | 10 | 5.00 | |
| | Kalka, Arkadius Georg | f | | 2368 | GER | 1.00 | 1 | 0.42 | 10 | 4.20 | | | Raznikov, Danny | m | | 2483 | ISR | 0.50 | 1 | 0.08 | 10 | 0.80 | |
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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