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Rapid:
Individual Calculations January 2016 |
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| Gefen, Itamar Total change: -40.40 | |   |
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| National Youth Championship 2015 Preliminaries U11 Center | Elkana | ISR | 2015-12-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1432 | 1656 | 1.00 | 2 | -0.56 | 20 | -11.20 | |
|  Shteiman, Yuval | | | 1441 | ISR | 0.50 | 1 | -0.27 | 20 | -5.40 | | | Bronstein, Paz | | | 1423 | ISR | 0.50 | 1 | -0.29 | 20 | -5.80 | |
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) | | | | Shahar Arad Memorial 2015 B | Kfar Saba | ISR | 2015-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1451 | 1656 | 1.50 | 4 | -1.46 | 20 | -29.20 | |
| | Lifshits, Raz | | | 1691 | ISR | 0.00 | 1 | -0.45 | 20 | -9.00 | |  Gefen, Ofer | | | 1382 | ISR | 0.50 | 1 | -0.33 | 20 | -6.60 | | | Sherman, Reem | | | 1309 | ISR | 0.00 | 1 | -0.89 | 20 | -17.80 | | | Bronstein, Paz | | | 1423 | ISR | 1.00 | 1 | 0.21 | 20 | 4.20 | |
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) | | |
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