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Rapid:
Individual Calculations September 2015 |
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| Parkhov, Yair Total change: 38.00 | |   |
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| Petach Tikva rapid End of July 2015 A | Petach Tikva | ISR | 2015-07-31 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2120 | 1980 | 3.00 | 6 | 0.94 | 20 | 18.80 | |
|  Givon, Asaf | m | | 2380 * | ISR | 0.00 | 1 | -0.08 | 20 | -1.60 | |  Aroesti, Roee | | | 1787 | ISR | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Tal, Eyal | | | 2027 | ISR | 0.50 | 1 | 0.07 | 20 | 1.40 | | | Kraus, Ohad | | | 2255 | ISR | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Shutzman, Joseph | f | | 2285 | USA | 0.00 | 1 | -0.14 | 20 | -2.80 | | | Friedland, Moshe | | | 1987 | ISR | 0.50 | 1 | 0.01 | 20 | 0.20 | | | * 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) | | | | Israel U18 Team Championship 2015 | Jerusalem | ISR | 2015-08-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1793 | 2014 | 6.00 | 7 | 0.58 | 20 | 11.60 | |
| | Kochavi, Ori | | | 1748 | ISR | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Forman, Ido | | | 1742 | ISR | 1.00 | 1 | 0.17 | 20 | 3.40 | | | Aroesti, Roee | | | 1809 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Breido, Jonatan | | | 1808 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Merom, Guni | | | 1779 | ISR | 0.50 | 1 | -0.29 | 20 | -5.80 | | | Feldman, Antony | | | 1752 | ISR | 0.50 | 1 | -0.32 | 20 | -6.40 | | | Levin, Daniel | | | 1912 | ISR | 1.00 | 1 | 0.36 | 20 | 7.20 | |
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) | | | | Tsafrir Rehovot rapid August 2015 A | Rehovot | ISR | 2015-08-23 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2075 | 2014 | 2.50 | 5 | 0.38 | 20 | 7.60 | |
| | Bergauz, Noam | | | 2284 | GER | 1.00 | 1 | 0.83 | 20 | 16.60 | | | Porat, Daniel | | | 2217 | ISR | 0.00 | 1 | -0.24 | 20 | -4.80 | | | Boruchovsky, Ron | | | 1797 | ISR | 0.50 | 1 | -0.28 | 20 | -5.60 | | | Kunin, Michael | | | 2163 | ISR | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Lahav, Michal | | | 1916 | ISR | 0.00 | 1 | -0.63 | 20 | -12.60 | |
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) | | |
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