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Individual Calculations October 2008 |
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| Yaacov, Avi Total change: 26.70 | |   |
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| Semi Final Israel Champ Haifa 2008 | Haifa | ISR | 2008-07-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2211 | 2159 | 4.00 | 8 | 0.57 | 15 | 8.55 | |
|  Zaltz, Dov | | | 2308 | ISR | 0.00 | 1 | -0.30 | 15 | -4.50 | | | Zorella, Benzion | | | 2200 | ISR | 1.00 | 1 | 0.56 | 15 | 8.40 | |  Aharon, Ofir | | | 2091 | ISR | 1.00 | 1 | 0.41 | 15 | 6.15 | | | Kaplivatski, Alexander | | | 2324 | ISR | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Axelrod, Arie | | | 2274 | ISR | 0.00 | 1 | -0.34 | 15 | -5.10 | | | Akman, Adi | | | 2086 | ISR | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Miller, Evgeny | | | 2271 | CAN | 0.00 | 1 | -0.35 | 15 | -5.25 | | | Khashper, Arkady | | | 2137 | ISR | 1.00 | 1 | 0.47 | 15 | 7.05 | |
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) | | | | KFS Weekend 2008 Rashit | Kfar Saba | ISR | 2008-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2215 | 2159 | 2.00 | 5 | -0.13 | 15 | -1.95 | |
| | Shachar, Ehud | f | | 2366 | ISR | 0.00 | 1 | -0.23 | 15 | -3.45 | | | Porat, Maya | | | 2137 | ISR | 1.00 | 1 | 0.47 | 15 | 7.05 | | | Shutzman, Joseph | f | | 2318 | USA | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Goikhman, Valentin | | | 2207 | ISR | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Halamish, Arnon | | | 2048 | ISR | 1.00 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | Herzliya Intl. Open 2008 | Herzlia | ISR | 2008-09-02 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2279 | 2159 | 4.50 | 9 | 1.34 | 15 | 20.10 | |
| | Zilberman, Yaacov | g | | 2453 | ISR | 0.50 | 1 | 0.35 | 15 | 5.25 | | | Cohen, Or | f | | 2278 | ISR | 1.00 | 1 | 0.66 | 15 | 9.90 | | | Klenburg, Mikhail | m | | 2445 | UKR | 0.50 | 1 | 0.34 | 15 | 5.10 | | | Neimer, Vitaly | | | 2316 | ISR | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Zak, Uri | | | 2208 | ISR | 1.00 | 1 | 0.57 | 15 | 8.55 | | | Porat, Ido | f | | 2379 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Lurie, Michael | | | 2336 | ISR | 0.50 | 1 | 0.23 | 15 | 3.45 | | | Givon, Asaf | | | 2030 | ISR | 0.00 | 1 | -0.67 | 15 | -10.05 | | | Lotsov Har-Zahav, Avraham | | | 2067 | ISR | 1.00 | 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) | | |
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