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Individual Calculations July 2009 |
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| Porat, David Total change: 25.65 | |   |
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| Israel National League 2009 | Various | ISR | 2009-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2358 | 2196 | 5.00 | 11 | 1.71 | 15 | 25.65 | |
|  Mittelman, Gur | m | | 2418 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | |  Chernomordik, Pavel | f | | 2289 | ISR | 0.50 | 1 | 0.13 | 15 | 1.95 | | | Hadany, Gilad | | | 2090 | ISR | 0.50 | 1 | -0.14 | 15 | -2.10 | | | Kogan, Artur | g | | 2541 | ISR | 0.00 | 1 | -0.11 | 15 | -1.65 | | | Finkel, Alexander | g | | 2462 | ISR | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Axelrod, Arie | | | 2258 | ISR | 1.00 | 1 | 0.59 | 15 | 8.85 | | | Kudischewitsch, David | m | | 2349 | RUS | 1.00 | 1 | 0.70 | 15 | 10.50 | | | Kreizberg, Michael | f | | 2264 | ISR | 0.50 | 1 | 0.09 | 15 | 1.35 | | | Klenburg, Mikhail | m | | 2426 | UKR | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Khmelniker, Ilya | m | | 2479 | ISR | 0.00 | 1 | -0.16 | 15 | -2.40 | | | Gershkowich, David | f | | 2360 | ISR | 0.50 | 1 | 0.22 | 15 | 3.30 | |
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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