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Individual Calculations April 2008 |
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| Zak, Uri Total change: 50.25 | |   |
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| ISR 2nd League South 2007 | Various | ISR | 2007-01-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2134 | 2.50 | 6 | 0.03 | 15 | 0.45 | |
|  Shalkhatsky, Vladimir | f | | 2269 | ISR | 0.50 | 1 | 0.18 | 15 | 2.70 | |  Rozet, Andrey | | | 2113 | ISR | 0.50 | 1 | -0.03 | 15 | -0.45 | | | Pyernik, Moshe | | | 2233 | ISR | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Bebchuk, Leonid | | | 2095 | ISR | 0.50 | 1 | -0.05 | 15 | -0.75 | | | Kunin, Michael | | | 2247 | ISR | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Shoham, Asaf | | | 2238 | ISR | 0.00 | 1 | -0.36 | 15 | -5.40 | |
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) | | | | Kfar Saba Championship 2007 | Kfar Saba | ISR | 2007-09-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2114 | 2119 | 4.50 | 6 | 1.47 | 15 | 22.05 | |
| | Givon, Asaf | | | 1895 | ISR | 0.50 | 1 | -0.28 | 15 | -4.20 | | | Kaplan, Amiram | | | 2060 | ISR | 1.00 | 1 | 0.42 | 15 | 6.30 | | | Porat, Daniel | | | 2223 | ISR | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Landa, Leon | | | 2004 | ISR | 0.00 | 1 | -0.66 | 15 | -9.90 | | | Tratatovici, Moise | f | | 2303 | ISR | 1.00 | 1 | 0.74 | 15 | 11.10 | | | Drori, Dan | | | 2199 | ISR | 1.00 | 1 | 0.61 | 15 | 9.15 | |
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) | | | | Israel U20 League 2008 | Various | ISR | 2007-10-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2178 | 2115 | 1.00 | 2 | 0.17 | 15 | 2.55 | |
| | Shusterman, Mark | | | 2143 | ISR | 1.00 | 1 | 0.54 | 15 | 8.10 | | | Pliskine, Valeri | | | 2213 | ISR | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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) | | | | 4th Ashdod Festival | Ashdod | ISR | 2007-12-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2240 | 2115 | 3.00 | 4 | 1.68 | 15 | 25.20 | |
| | Zalkind, Konstantin | f | | 2230 | ISR | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Popilski, Gil | c | | 2238 | ISR | 0.00 | 1 | -0.33 | 15 | -4.95 | | | Rodkin, Rafael | | | 2218 | ISR | 1.00 | 1 | 0.64 | 15 | 9.60 | | | Porat, Ido | f | | 2275 | ISR | 1.00 | 1 | 0.71 | 15 | 10.65 | |
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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