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Individual Calculations January 2014 |
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| Parkhov, Yair Total change: 1.50 | |   |
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| Israel U18 Team Champ 2013 | various | ISR | 2013-10-25 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1808 | 1832 | 1.50 | 4 | -0.61 | 15 | -9.15 | |
|  Saadon, Netanel | | | 1788 | ISR | 0.50 | 1 | -0.06 | 15 | -0.90 | | | Vuller, Anastasia | | | 1559 | ISR | 1.00 | 1 | 0.17 | 15 | 2.55 | | | Federovski, Adi | | | 1855 | ISR | 0.00 | 1 | -0.47 | 15 | -7.05 | |  Erenberg, Ariel | | | 2029 | ISR | 0.00 | 1 | -0.25 | 15 | -3.75 | |
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 National Champ 2013 Open | Ashdod | ISR | 2013-11-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2068 | 1832 | 2.50 | 8 | 0.71 | 15 | 10.65 | |
| | Shtemler, Lavi | | | 2048 | ISR | 0.00 | 1 | -0.22 | 15 | -3.30 | | | Iskhakov, Michael | | | 2145 | ISR | 1.00 | 1 | 0.86 | 15 | 12.90 | | | Aharon, Ofir | f | | 2232 * | ISR | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Kali, Omer | | | 1919 | ISR | 0.00 | 1 | -0.38 | 15 | -5.70 | | | Vladimirsky, Mark | | | 2148 | ISR | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Reprun, Nadejda | | | 2132 | ISR | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Altshul, Limor | | | 1833 | ISR | 1.00 | 1 | 0.50 | 15 | 7.50 | | | Marcovici, Adrian | | | 2086 | ISR | 0.00 | 1 | -0.19 | 15 | -2.85 | | | * 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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