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Individual Calculations February 2015 |
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| Alterman, Boris Total change: 6.00 | |   |
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| National Team Championship 2015 Round 1-4 | various | ISR | 2015-01-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2514 | 2587 | 3.00 | 4 | 0.60 | 10 | 6.00 | |
|  Dvoirys, Semen I. | g | | 2566 | RUS | 0.50 | 1 | -0.03 | 10 | -0.30 | |  Porat, Shay | m | | 2516 | ISR | 1.00 | 1 | 0.40 | 10 | 4.00 | | | Zifroni, Dov | g | | 2491 | ISR | 1.00 | 1 | 0.37 | 10 | 3.70 | | | Gofshtein, Leonid | g | | 2483 | ISR | 0.50 | 1 | -0.14 | 10 | -1.40 | |
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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