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Individual Calculations September 2013 |
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| Zak, Arad Total change: 7.20 | |   |
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| Gideon Japhet International Open A | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2201 | 2100 | 2.00 | 4 | 0.48 | 15 | 7.20 | |
|  Nakar, Eylon | m | | 2390 | ISR | 1.00 | 1 | 0.84 | 15 | 12.60 | |  Bakalchuk, Johnatan | | | 2133 | ISR | 0.00 | 1 | -0.45 | 15 | -6.75 | | | Axelrod, Arie | f | | 2352 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | Gorodetzky, David | | | 1930 | ISR | 1.00 | 1 | 0.28 | 15 | 4.20 | |
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) | | |
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