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Rapid:
Individual Calculations January 2018 |
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| Duchan, Yoav Total change: 4.60 | |   |
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| Israel Cadet Championship U9 Qualifier 2017 Center | Givatayim | ISR | 2017-12-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1296 | 1240 | 1.50 | 3 | 0.23 | 20 | 4.60 | |
|  Medovoy, Yaniv | | | 1374 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | |  Gabizon, Gal | | | 1254 | ISR | 0.50 | 1 | 0.02 | 20 | 0.40 | | | Engel, Bar | | | 1259 | ISR | 0.00 | 1 | -0.47 | 20 | -9.40 | |
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) | | |
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