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Individual Calculations December 2015 |
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| Cohen, Ofer Total change: -36.40 | |   |
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| ASA-Reti Tel Aviv Summer 2015 Open | Tel Aviv | ISR | 2015-08-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1998 | 1856 | 0.00 | 2 | -0.62 | 20 | -12.40 | |
|  Marcovici, Adrian | | | 2007 | ISR | 0.00 | 1 | -0.30 | 20 | -6.00 | |  Blass, Eyal | | | 1989 | ISR | 0.00 | 1 | -0.32 | 20 | -6.40 | |
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) | | | | Valdi Vaisman Memorial Autumn 2015 over 1750 | Kfar Saba | ISR | 2015-09-12 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1775 | 1852 | 3.00 | 7 | -1.20 | 20 | -24.00 | |
| | Glatt, Guy | | | 1651 | ISR | 1.00 | 1 | 0.24 | 20 | 4.80 | | | Vaserman, Eduard | | | 1791 | ISR | 1.00 | 1 | 0.42 | 20 | 8.40 | | | Klein, Boris | | | 2087 | ISR | 0.00 | 1 | -0.21 | 20 | -4.20 | | | Zhimalov, Adam | | | 1641 | ISR | 0.00 | 1 | -0.77 | 20 | -15.40 | | | Langberg, Orri | | | 1712 | ISR | 0.00 | 1 | -0.69 | 20 | -13.80 | | | Holzer, Moshe | | | 1942 | ISR | 0.00 | 1 | -0.38 | 20 | -7.60 | | | Caspi, Nimi | | | 1600 | ISR | 1.00 | 1 | 0.19 | 20 | 3.80 | |
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) | | |
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