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Individual Calculations September 2013 |
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| Parkhov, Yair Total change: 41.10 | |   |
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| Macabbiah 2013 Open | Jerusalem | ISR | 2013-07-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2053 | 1780 | 4.50 | 8 | 3.10 | 15 | 46.50 | |
|  Gofshtein, Semion | | | 1994 | ISR | 1.00 | 1 | 0.77 | 15 | 11.55 | |  Nareznoy, David | | | 2090 | ISR | 0.00 | 1 | -0.14 | 15 | -2.10 | | | Gutzeit, Avraham | | | 2108 | ISR | 0.50 | 1 | 0.37 | 15 | 5.55 | | | Blaushtain, Boris | | | 2033 | ISR | 0.50 | 1 | 0.31 | 15 | 4.65 | | | Philosoph, Assi | | | 2012 | ISR | 1.00 | 1 | 0.79 | 15 | 11.85 | | | Rositsan, Boris | f | | 2145 | LTU | 1.00 | 1 | 0.90 | 15 | 13.50 | | | Orgad, Dan | | | 2017 | ISR | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Hochman, Elnatan | | | 2021 | ISR | 0.00 | 1 | -0.20 | 15 | -3.00 | |
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) | | | | Gideon Japhet International Open B | Jerusalem | ISR | 2013-08-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1945 | 1780 | 0.50 | 3 | -0.36 | 15 | -5.40 | |
| | Hochman, Elnatan | | | 2021 | ISR | 0.50 | 1 | 0.30 | 15 | 4.50 | | | Zlotogorsky, Itay | | | 1942 | ISR | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Dermer, Moshe | | | 1872 | ISR | 0.00 | 1 | -0.37 | 15 | -5.55 | |
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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