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Individual Calculations March 2018 |
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| Peretz, Malkiel Total change: -13.80 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Shoham | Shoham | ISR | 2017-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1968 | 2229 | 6.00 | 9 | -1.17 | 20 | -23.40 | |
|  Helving, Yuval | | | 2062 | ISR | 0.50 | 1 | -0.22 | 20 | -4.40 | |  Bronstein, Arkady | | | 2059 | ISR | 0.00 | 1 | -0.72 | 20 | -14.40 | | | Livshits, Leonid | | | 1897 | ISR | 1.00 | 1 | 0.12 | 20 | 2.40 | | | Minster, Yuval | | | 2049 | ISR | 0.00 | 1 | -0.74 | 20 | -14.80 | | | Bulkovstein, David | | | 1930 | ISR | 1.00 | 1 | 0.15 | 20 | 3.00 | | | Efrati, Alon | | | 1829 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Melchior, Ariel | | | 1829 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Vaisgur, Alon | | | 1840 | ISR | 1.00 | 1 | 0.09 | 20 | 1.80 | | | Tratatovici, Moise | f | | 2221 | ISR | 0.50 | 1 | -0.01 | 20 | -0.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
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) | | | | Liga Artzit Center 2018 Round 3-4 | various | ISR | 2018-02-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2199 | 2216 | 1.00 | 1 | 0.48 | 20 | 9.60 | |
| | Vitebsky, Georgy | | | 2199 | ISR | 1.00 | 1 | 0.48 | 20 | 9.60 | |
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) | | |
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