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Individual Calculations September 2009 |
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| Lavi, Idan Total change: 17.10 | |   |
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| Spring Herzlia 2009 | Herzlia | ISR | 2009-04-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2034 | 2121 | 6.50 | 9 | 0.98 | 15 | 14.70 | |
|  Magen, Paz | | | 2009 | ISR | 0.50 | 1 | -0.15 | 15 | -2.25 | |  Kinberg, Ofer | | | 2091 | ISR | 1.00 | 1 | 0.46 | 15 | 6.90 | | | Cnaan, Moshe | | | 2125 | ISR | 0.00 | 1 | -0.49 | 15 | -7.35 | | | Ben Porat, Zeev | | | 1974 | ISR | 1.00 | 1 | 0.30 | 15 | 4.50 | | | Lotsov Har-Zahav, Avraham | | | 2045 | ISR | 1.00 | 1 | 0.40 | 15 | 6.00 | | | Chassid, Elan | | | 2106 | ISR | 1.00 | 1 | 0.48 | 15 | 7.20 | | | Hadari, Ariel | | | 2024 | ISR | 0.50 | 1 | -0.13 | 15 | -1.95 | | | Gunsherovich, Itay | | | 2071 | ISR | 1.00 | 1 | 0.43 | 15 | 6.45 | | | Towers, Brian | | | 1859 | ISR | 0.50 | 1 | -0.32 | 15 | -4.80 | |
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) | | | | KFS Weekend 2009 | Kfar Saba | ISR | 2009-08-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2229 | 2123 | 2.00 | 5 | 0.16 | 15 | 2.40 | |
| | Sidorenko, Ilya | | | 2390 | ISR | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Hertz, Yaniv | | | 1992 | ISR | 1.00 | 1 | 0.32 | 15 | 4.80 | | | Gaspariants, Garry | | | 2267 | RUS | 0.50 | 1 | 0.19 | 15 | 2.85 | | | Shnaider, David | | | 2305 | RUS | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Green, Golan | | | 2190 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | |
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) | | |
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