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Rapid:
Individual Calculations September 2015 |
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| Zoulty, Ido Total change: 5.20 | |   |
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| Kiryat Ono rapid GP 2015 Stage 4 | Kiryat Ono | ISR | 2015-08-07 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1517 | 1332 | 1.50 | 3 | 0.66 | 20 | 13.20 | |
|  Tal-Shahar, Liam | | | 1466 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | | | Shetach, Roey | | | 1695 | ISR | 0.50 | 1 | 0.40 | 20 | 8.00 | |  Katkov, Michelle | | | 1390 | ISR | 0.00 | 1 | -0.42 | 20 | -8.40 | |
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) | | | | Kiryat Ono rapid GP 2015 Final | Kiryat Ono | ISR | 2015-08-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1443 | 1332 | 1.00 | 2 | 0.30 | 20 | 6.00 | |
| | Mizrahi, Ido | | | 1420 | ISR | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Tal-Shahar, Liam | | | 1466 | ISR | 1.00 | 1 | 0.68 | 20 | 13.60 | |
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) | | | | Tsafrir Rehobot rapid August 2015 B | Rehovot | ISR | 2015-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1558 | 1332 | 0.00 | 3 | -0.70 | 20 | -14.00 | |
| | Spiegel, Moisei | | | 1732 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Sokolovsky, Yahli | | | 1479 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | | | Matza, Yosi | | | 1462 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | | | * 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) | | |
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