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Individual Calculations March 2018 |
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| Helving, Yuval Total change: -11.00 | |   |
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| Nat. Ch. Quarterfinal 2017-18 Shoham | Shoham | ISR | 2017-12-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1959 | 2062 | 5.50 | 9 | -0.06 | 20 | -1.20 | |
|  Peretz, Malkiel | f | | 2229 | ISR | 0.50 | 1 | 0.22 | 20 | 4.40 | |  Melchior, Ariel | | | 1741 | ISR | 0.00 | 1 | -0.87 | 20 | -17.40 | | | Vaisgur, Alon | | | 1840 | ISR | 1.00 | 1 | 0.22 | 20 | 4.40 | | | Tratatovici, Moise | f | | 2221 | ISR | 0.00 | 1 | -0.29 | 20 | -5.80 | | | Efrati, Alon | | | 1662 * | ISR | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Bronstein, Arkady | | | 2059 | ISR | 0.50 | 1 | 0.00 | 20 | 0.00 | | | Livshits, Leonid | | | 1897 | ISR | 1.00 | 1 | 0.28 | 20 | 5.60 | | | Minster, Yuval | | | 2049 | ISR | 1.00 | 1 | 0.48 | 20 | 9.60 | | | Bulkovstein, David | | | 1930 | ISR | 0.50 | 1 | -0.18 | 20 | -3.60 | | | * 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 |
| 2045 | 2038 | 0.00 | 1 | -0.49 | 20 | -9.80 | |
| | Klein, Arie | | | 2045 | ISR | 0.00 | 1 | -0.49 | 20 | -9.80 | |
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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