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Individual Calculations March 2010 |
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| Porat, Maya Total change: 26.40 | |   |
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| Israel U18 League 2010 | Various | ISR | 2009-11-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2249 | 2182 | 3.00 | 5 | 0.97 | 15 | 14.55 | |
|  Davarashvili, Nodar | | | 2265 | GEO | 1.00 | 1 | 0.61 | 15 | 9.15 | |  Nabaty, Tamir | | | 2508 | ISR | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Popilski, Gil | c | | 2441 | ISR | 0.50 | 1 | 0.32 | 15 | 4.80 | | | Nakar, Eylon | | | 2247 | ISR | 0.00 | 1 | -0.41 | 15 | -6.15 | | | Lavi, Royi | | | 1782 * | ISR | 1.00 | 1 | 0.08 | 15 | 1.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | MadaTech Gad Angel Memorial 2010 | Haifa | ISR | 2010-01-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2296 | 2169 | 2.50 | 5 | 0.79 | 15 | 11.85 | |
| | Goldin, Roman | f | | 2293 | ISR | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Bykhovsky, Anatoly | m | | 2499 | ISR | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Gaspariants, Garry | | | 2247 | RUS | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Prozhanski, Genrik | | | 2327 | ISR | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Sorin, Michael | | | 2113 | ISR | 0.50 | 1 | -0.08 | 15 | -1.20 | |
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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