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Individual Calculations May 2013 |
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| Gruenfeld, Yehuda Total change: 8.40 | |   |
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| Dugo Fridman Memorial 2013 A | Rishon Le-Zion | ISR | 2013-02-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2369 | 2433 | 4.50 | 5 | 1.72 | 10 | 17.20 | |
|  Koren, Eyal | | | 2053 | ISR | 1.00 | 1 | 0.09 | 10 | 0.90 | |  Iskhakov, Michael | | | 2145 | ISR | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Soffer, Ram | g | | 2516 | ISR | 1.00 | 1 | 0.61 | 10 | 6.10 | | | Avrukh, Boris | g | | 2583 | ISR | 0.50 | 1 | 0.20 | 10 | 2.00 | | | Zoler, Dan | g | | 2548 | ISR | 1.00 | 1 | 0.66 | 10 | 6.60 | |
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) | | | | Israel National Champ 2013 | Acre | ISR | 2013-04-06 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2445 | 2434 | 3.50 | 9 | -0.88 | 10 | -8.80 | |
| | Rodshtein, Maxim | g | | 2639 | ISR | 0.00 | 1 | -0.24 | 10 | -2.40 | | | Axelrod, Arie | f | | 2328 | ISR | 0.50 | 1 | -0.14 | 10 | -1.40 | | | Birnboim, Nathan | m | | 2370 | ISR | 0.50 | 1 | -0.09 | 10 | -0.90 | | | Shachar, Ehud | f | | 2357 | ISR | 1.00 | 1 | 0.39 | 10 | 3.90 | | | Baron, Tal | g | | 2473 | ISR | 1.00 | 1 | 0.55 | 10 | 5.50 | | | Roiz, Michael | g | | 2623 | ISR | 0.50 | 1 | 0.25 | 10 | 2.50 | | | Zoler, Dan | g | | 2553 | ISR | 0.00 | 1 | -0.34 | 10 | -3.40 | | | Gofshtein, Leonid | g | | 2457 | ISR | 0.00 | 1 | -0.47 | 10 | -4.70 | | | Katzir, Moshe | | | 2201 | ISR | 0.00 | 1 | -0.79 | 10 | -7.90 | |
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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